CN214860928U

CN214860928U - Multifunctional fitness chair

Info

Publication number: CN214860928U
Application number: CN202023021894.2U
Authority: CN
Inventors: 吕伟郭
Original assignee: Zhejiang Senying Leisure Product Co ltd
Current assignee: Zhejiang Senying Leisure Product Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-11-26
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a multi-functional body-building chair, include: a first frame unit; the first support unit is connected with a first connecting position of the first frame body unit; the second support unit is connected with the tail end of the first frame body unit and/or a main body close to the tail end, and the height of the lower end of the second support unit is lower than that of the first connection position; the first abutting unit is arranged on the first frame body unit close to the first connecting position; the second frame body unit is rotatably connected with the rear part of the first frame body unit, and the rotary connection can enable the second frame body unit to move between a first posture for a deck chair or a seat and a second posture for fitness equipment; the second leans on the unit, sets up on the second support body unit. The utility model provides a pair of multi-functional body-building chair, the function is various, is used for seat, deck chair and body-building apparatus concurrently, and simple structure, convenient operation, swift, easily carries and transports.

Description

Multifunctional fitness chair

Technical Field

The utility model relates to the field of household items, especially, relate to a multi-functional body-building chair.

Background

The deck chair is a chair with a long backrest and a backward inclined backrest, people can lie on the deck chair to have a rest, and the deck chair becomes a leisure article commonly used in many places such as at home, in offices, in public places, outdoors and the like along with the improvement of living standard of people. Most of the existing deck chairs are composed of a chair seat and a chair back which is arranged in an inclined way with the chair seat, so that people can lie on the deck to have a rest, the daily requirements of the people are met, and the deck chair has a single function and does not have a body building function.

The patent of a utility model entitled folding type body-building deck chair (publication number: CN202858399U) is issued in 2013, 4 and 10.A publication comprises a backup plate, handrails, a seat plate, a foot-supporting plate bracket, an X-shaped chair bracket and a connecting frame, wherein the backup plate is connected with the seat plate in a binding manner, the foot-supporting plate is movably and telescopically connected with the seat plate, a multi-gear clamping groove plate is arranged in the clamping handrail, one end of the clamping groove plate extends out of the handrail to be hinged with the side surface of the backup plate, a movable support rod is arranged below the handrail to be hinged with the connecting frame, and the upper end of the movable support rod is provided with a clamping nail to be clamped with the clamping groove; the rod pieces on the two upper end surfaces of the chair support are movably connected with the long slotted holes on the two sides of the connecting frame, and the foot plate support is hinged with the foot supporting plate; the device also comprises a pulley, a presser foot bent rod, a tension spring and a pulley support rod; the upper end of the pulley support rod is hinged with the middle part of the back of the backup plate, and the lower end of the pulley support rod is fixedly connected with the middle point of the connecting shaft of the pair of pulleys; the lower part of the back of the backup plate is provided with a tension spring connected with the lower end of the pulley support rod; two ends of the presser foot bent rod are movably connected with two outer side ends of the foot-supporting plate.

The foldable deck chair has the advantages that the foldable function and the body-building function are added on the basis of the traditional deck chair, the effect is more ideal when the deck chair is used, and the following defects still exist: (1) the chair has various components and complex structure, and the whole chair is heavy and inconvenient to use, package, carry and transport; (2) the front and back heights of the chair seat are consistent, when the chair is in a deck chair state, only the buttocks are relatively attached to the chair seat, and the comfort level is not high; the chair back and the chair seat can not be adjusted to the supporting amplitude required by the fitness state, so that the chair is inconvenient to use when used for fitness, and even has influence on the stretching action of the legs, the waist, the abdomen, the back, the shoulders, the neck and other parts; (3) when the deck chair is switched to a body-building state, the foot plate bracket and the X-shaped chair bracket are required to be folded one by one, and the presser foot bending rod is bent upwards, so that the operation is complex, and time and labor are wasted.

Disclosure of Invention

The utility model discloses to not enough among the prior art, provide a multi-functional body-building chair, the function is various, concurrently has to be used for seat, deck chair and body-building apparatus, and simple structure, convenient operation, swift, easily carries and transports.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a multi-function resistance chair comprising:

a first frame unit having a head end and a tail end;

the first support unit is used for supporting the first frame body unit, and the first support unit is connected with a first connecting position of the first frame body unit;

the second support unit is used for supporting the first frame body unit, the second support unit is connected with the tail end of the first frame body unit and/or a main body close to the tail end, and the height of the lower end of the second support unit is lower than that of the first connection position;

the first abutting unit is arranged on the first frame body unit and is close to a first connecting position;

the second frame body unit is arranged at the rear part of the first frame body unit and is in rotary connection with the first frame body unit, the rotary connection of the second frame body unit and the first frame body unit can move between a first posture for a deck chair or a seat chair and a second posture for fitness equipment, the second frame body unit and the first frame body unit are in the first posture when having an angle, and the second frame body unit and the tail end of the first frame body unit are in the second posture when being overlapped;

the second supports and leans on the unit, sets up on the second support body unit.

Preferably, the first frame unit comprises a first frame structure arranged in parallel, and is used for mounting and supporting the first abutting unit.

Preferably, the first frame unit comprises a first frame structure and a first transverse supporting structure which are arranged in parallel, the first transverse supporting structure is arranged on the first frame structure at intervals, and the first frame structure and the first transverse supporting structure are used for first installation and support of the abutting unit.

Preferably, the first frame structure is an integrated structure.

Preferably, the first frame structure is a split structure, and comprises:

a first frame part;

and the frame body part II is in pivoting connection with the frame body part I, changes an angle formed between the frame body part I and the frame body part II, and is used for adjusting the unfolding state and the folding state of the frame body part I and the frame body part II.

Preferably, the second frame unit is connected to the first frame unit via a third rotating assembly, and is used for adjusting the position of the first posture and/or the second posture of the second frame unit relative to the first frame unit, and/or locking the second frame unit in the first posture and/or the second posture.

Preferably, the second posture is formed when the second frame unit moves along the direction of the end of the first frame unit to overlap with the end of the first frame unit by the rotation of the third rotating assembly.

Preferably, the first posture is formed when the second frame unit moves to have an angle with the first frame unit in any one direction of the head end or the tail end of the first frame unit by the rotation of the third rotating assembly.

Preferably, the second frame unit comprises a second frame structure arranged in parallel, and the second frame structure is used for mounting and supporting the second leaning unit.

Preferably, the second support body unit comprises a second support body structure and a second transverse supporting structure which are arranged in parallel, the second transverse supporting structure is arranged on the second support body structure at intervals, and the second support body structure and the second transverse supporting structure are used for installation and support of the second support unit.

Preferably, the third rotating assembly includes:

the ratchet wheel is provided with a ratchet wheel arm, and the ratchet wheel arm is connected with the second frame body structure and/or the second transverse supporting structure;

one end of the rotating arm is hinged with the ratchet wheel through a ratchet wheel shaft, and the other end of the rotating arm is connected with the first frame body structure and/or the first transverse supporting structure;

the non-return pawl is hinged with the rotating arm through a non-return pawl shaft and used for preventing the ratchet wheel from rotating;

the return piece is sleeved on the ratchet shaft and used for driving the return pawl to leave the ratchet;

and the resetting piece is used for resetting the check pawl.

Preferably, the third rotating assembly includes:

the third connecting piece is connected with the second frame structure;

and one end of the rotating shaft III is connected with the frame body structure I, and the other end of the rotating shaft III is connected with the connecting piece III.

Preferably, the rack further comprises a third supporting unit for supporting the second rack unit, the third supporting unit is arranged below the second rack unit, and the lower end of the third supporting unit is abutted against the first rack unit and/or the second supporting unit.

Preferably, the third supporting unit includes:

the upper end of the third support piece is rotatably connected with the second frame body structure;

and/or a third adjusting assembly, which is used for adjusting the position of the third supporting piece relative to the first frame unit, and the third adjusting assembly is arranged on the first frame unit and/or the second supporting unit.

Preferably, the third adjusting assembly comprises a third adjusting part, and a plurality of third adjusting channels are arranged on the third adjusting part and used for supporting the lower end of the third supporting part.

Preferably, the third adjusting channel is provided in a groove-shaped structure with an open upper end for abutting against a lower end of the third support.

Preferably, the third supporting unit includes:

the upper end of the upper third supporting piece is rotatably connected with the second frame body structure;

the lower third supporting piece is connected with the upper third supporting piece, and the lower end of the lower third supporting piece is connected with the first rack body unit and/or the second supporting unit;

and the height position between the second frame body unit and the mounting end face of the mounting medium is changed by changing the relative length between the upper third support member and the lower third support member.

Preferably, the upper third supporting member and the lower third supporting member are arranged in a telescopic structure opposite to each other.

Preferably, the first connection position is arranged close to the head end of the first rack unit and/or is arranged in a manner of being overlapped with the head end of the first rack unit.

Preferably, the number of the first supporting units is at least one, and the first supporting units and the installation end face are arranged at an angle.

Preferably, the first support unit comprises at least two first support members arranged in parallel, the upper end of each first support member is connected with the first connection position of the first frame body unit, and the lower end of each first support member is used for abutting against the installation end face of the installation medium.

Preferably, the first support member is provided as a unitary structure.

Preferably, the first supporting member is provided as a split structure, including:

a first support section;

the second supporting part is connected with the first supporting part in a pivoting mode, the angle formed between the first supporting part and the first supporting part of the second supporting part is changed, and the first supporting part and the second supporting part are used for adjusting the unfolding state and the folding state.

a first support section;

and the second supporting part is arranged at the lower part of the first supporting part, the relative length between the first supporting part and the second supporting part is changed, and the height position between the first frame body unit and the mounting end surface of the mounting medium is changed.

Preferably, the first supporting part and the second supporting part are arranged oppositely to form a telescopic structure.

Preferably, the first support unit is rotatably connected with the first frame unit through a first rotating assembly.

Preferably, the first rotating assembly includes:

the first connecting piece is connected with the first frame body structure;

one end of the first rotating shaft is connected with the first supporting piece, and the other end of the first rotating shaft is connected with the first connecting piece.

Preferably, the chair further comprises a positioning unit arranged on the first supporting unit, and when the chair is in the second posture, the positioning unit is used for placing and/or positioning feet or legs of the human body.

Preferably, the positioning unit includes:

the positioning connecting pieces are arranged at intervals, and two ends of each positioning connecting piece are respectively connected with the first supporting piece;

and/or the positioning adjusting piece is sleeved on the positioning connecting piece, and the outer end of the positioning adjusting piece is provided with a positioning end face used for supporting the foot or the leg of the human body.

Preferably, the positioning adjustment member is provided as a flexible structure.

Preferably, the number of the second supporting units is at least one, and the second supporting units are arranged at an angle with the installation end face.

Preferably, the second support unit comprises at least two second support members arranged in parallel, the upper ends of the second support members are connected with the first frame body unit, and the lower ends of the second support members are used for abutting against the installation end face for placing the medium.

Preferably, the second support member is provided as a unitary structure.

Preferably, the second supporting member is provided as a separate structure, including:

a third support portion;

and the fourth supporting part is pivotally connected with the third supporting part, changes an angle formed between the third supporting part and the fourth supporting part, and is used for adjusting the unfolding state and the folding state.

a third support portion;

and the fourth supporting part is arranged at the lower part of the third supporting part, the relative length between the third supporting part and the fourth supporting part is changed, and the height position between the first frame body unit and the mounting end surface of the mounting medium is changed.

Preferably, the third supporting portion and the fourth supporting portion are arranged opposite to each other in a telescopic structure.

Preferably, the second supporting unit is rotatably connected with the first frame unit through a second rotating assembly.

Preferably, the second rotating assembly includes:

the second connecting piece is connected with the first frame structure and/or the second supporting piece;

and one end of the second rotating shaft is connected with the first frame structure, and the other end of the second rotating shaft is connected with the second connecting piece.

Preferably, the second support unit further comprises at least one second reinforcement member disposed between the second support members to reinforce the second support unit.

Preferably, the rack further comprises a handrail structure, and the handrail structure is arranged at the head end of the first rack unit.

Preferably, the handrail structure is rotatably connected with the first frame unit.

Preferably, the first abutting unit comprises a first abutting structure for the human body to sit or lie, and the first abutting structure is formed by extending from the position close to and/or the first connecting position along the direction close to the tail end of the first frame unit.

Preferably, the first abutment structure is connected to the first frame structure by wrapping the first frame structure partially and/or completely around the first frame structure.

Preferably, the first abutting structure is connected with the first frame body structure through a first connecting assembly, and the first connecting assembly is arranged into a buckling structure and/or a hook structure and/or a sticking structure.

Preferably, the second support unit comprises a second support structure for the human body to sit or lie, and the second support structure is arranged on the second frame unit and extends from one end close to the second frame unit to the other end close to the first frame unit.

Preferably, the second abutting structure is connected with the second frame structure by wrapping the second frame structure by the end part and/or the whole of the second abutting structure.

Preferably, the second abutting structure is connected with the second frame body structure through a second connecting assembly, and the second connecting assembly is arranged into a buckling structure and/or a hook structure and/or a sticking structure.

Preferably, the first and/or second abutment structure is provided as a cloth structure and/or a leather structure and/or a bamboo structure and/or a rattan structure and/or a plastic structure and/or a wood structure.

Preferably, the first frame structure is arranged in an upward convex arc structure.

The utility model discloses gain following beneficial effect:

(1) the utility model discloses a multi-functional body-building chair, through adjusting the angular relationship between second support body unit and the first support body unit, obtain two kinds of use gestures as the first gesture of deck chair or seat and as the second gesture of body-building apparatus, a chair is dual-purpose, when especially adjusting to the second gesture as body-building apparatus, have the function of body-building apparatus such as present sit up, push-up, and the angle of second support body unit relative to first support body unit can be adjusted wantonly as required, carry out the demand of body-building or deck chair or seat at any time and select or switch, and convenient operation;

(2) the utility model discloses a multi-functional body-building chair, braced frame comprises first support body unit and second support body unit, and set up first support body unit and second support body unit on first support body unit and second support body unit and lean on the unit, rotate the second support body unit relatively to first support body unit, the angle between first support body unit and the second support body unit is leaned on and is leaned on the unit and also adjusted thereupon, it is convenient to adjust, the switching of body-building or deck chair or seat is accomplished to a key, and the structure of chair has been simplified greatly, easy operation, swiftly, it is convenient to install and dismantle;

(3) the utility model discloses a multi-functional body-building chair, first support body unit and second support body unit are adjustable to the overlap state, on the one hand, can reduce the overall structure of chair, convenient packing, carry and transportation, on the other hand, as body-building apparatus such as sit up, push-up when first support body unit and second support body unit adjust to the overlap state, relatively possess great stretching range to positions such as leg, waist, abdomen, back, shoulder, neck, and the second support body unit can not cause the hindrance to stretching action, can be free carry out various stretching actions, and first support unit, second support unit can be folded relatively first support body unit, thereby further reduce the overall structure of this chair, convenient packing, carry and transportation, greatly reduced the cost;

(4) the utility model discloses a multi-functional body-building chair, because first support element links to each other with the first hookup location department of first support body unit, the second support element links to each other and/or is close to the terminal main part with the terminal of first support body unit, and the height of second support element lower extreme is less than the height of first hookup location department, thus when the chair is in the first gesture of deck chair or seat, positions such as buttockss, legs can all laminate with the first unit of supporting on the first support body unit, increased the human body and the contact area of the first unit of supporting, dispersed the stress point, thereby more comfortable and relax; when the chair is in body-building apparatus's second gesture, the superpose of second support body unit is at the rear portion of first support body unit to make the second support to lean on the unit, first support to lean on the unit and first support unit to form the required support range of body-building jointly, when having increased body-building demands such as being used for push-up, sit up promptly, to the tensile range of positions such as leg, waist, abdomen, back, shoulder, neck, replace current independent body-building apparatus completely.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of an embodiment of the present invention in a first posture.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic view of a part of the structure in the first posture according to an embodiment of the present invention.

Fig. 4 is a schematic view of the overall structure of the second posture according to the embodiment of the present invention.

Fig. 5 is an exploded view of fig. 4.

Fig. 6 is a schematic view of a portion of the structure in the second posture according to an embodiment of the present invention.

Fig. 7 is a schematic view of an internal structure of a third rotating assembly according to a first embodiment of the present invention.

Fig. 8 is a schematic structural view of a first abutting unit and a partial frame structure according to a first embodiment of the present invention.

Fig. 9 is a schematic structural view of a second abutting unit and a second partial frame structure according to a first embodiment of the present invention.

Fig. 10 is a partial schematic structural view of the second embodiment of the present invention in the first posture.

Fig. 11 is a partial schematic structural view of the second posture according to the embodiment of the present invention.

Fig. 12 is an enlarged schematic view of a portion a in fig. 10.

Fig. 13 is a schematic structural diagram of a portion of the third posture according to the embodiment of the present invention.

Fig. 14 is a schematic partial structural view of the third position of the present invention.

Fig. 15 is a schematic structural view of a third rotating assembly according to a third embodiment of the present invention.

Fig. 16 is a partial schematic structural diagram of the fourth posture according to the embodiment of the present invention.

Fig. 17 is a schematic structural view of the fourth embodiment of the present invention in a folded state.

Fig. 18 is a schematic structural diagram of a first pivot structure according to a fourth embodiment of the present invention.

Fig. 19 is a partial schematic structural view of a fifth posture according to an embodiment of the present invention.

Fig. 20 is a schematic structural view of a fifth embodiment of the present invention in a folded state.

Fig. 21 is a schematic partial structural view of a seventh embodiment of the present invention in the first posture.

Fig. 22 is a schematic structural diagram of a seventh rotating assembly according to an embodiment of the present invention.

Fig. 23 is a schematic structural view of a seventh rotating assembly according to the embodiment of the present invention.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise direct contact between the first and second features, but rather may be in contact with another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1 to 9, as a first embodiment of the present invention, a multifunctional body-building chair is disclosed, which comprises a first frame unit 1, a second frame unit 2, a first supporting unit 3, a second supporting unit 4, and a first abutting unit 13 and a second abutting unit 23 respectively disposed on the first frame unit 1 and the second frame unit 2, wherein the first frame unit 1 is provided with a head end 101 and a tail end 102, the first supporting unit 3 is connected to a first connecting position 103 of the first frame unit 1 for supporting one end of the first frame unit 1, the second supporting unit 4 is connected to a main body of the first supporting unit 3 near the tail end 102 and the tail end 102 for supporting the other end of the first frame unit 1, maintaining the balance of the whole chair, and the lower end of the second supporting unit 4 is lower than the first connecting position 103, the second frame unit 2 is disposed at the rear portion of the first frame unit 1, is the rotation with first support body unit 1 and is connected, and this rotation is connected and can be made the chair move between the first gesture as deck chair or seat and the second gesture as body-building apparatus, and first support leans on unit 13 to be close to first hookup location 103 department and sets up, mainly used hip, leg etc.'s contact and support, and the second supports and leans on unit 23 to set up on second support body unit 2, mainly used waist, back of the body, shoulder etc.'s contact and support. The chair of the embodiment can obtain two using postures, namely a first posture as a deck chair or a seat and a second posture as a fitness device, by adjusting the angular relationship between the second frame body unit 2 and the first frame body unit 1, the chair is dual-purpose, and particularly has the functions of the fitness devices such as sit-up, push-up and the like when being adjusted to the second posture of the fitness device, and the angle of the second frame body unit 2 relative to the first frame body unit 1 can be arbitrarily adjusted according to requirements, for example, the chair can be used as a seat at 90 degrees, the deck chair can be used as a deck chair at 135 degrees, the fitness can be used as a fitness device at 180 degrees, and the like, so that the requirements of the fitness device or the deck chair or the seat can be selected or switched at any time, and the operation is convenient; the supporting frame of the chair in the embodiment is composed of a first frame body unit 1 and a second frame body unit 2, a first abutting unit 13 and a second abutting unit 23 are arranged on the first frame body unit 1 and the second frame body unit 2, the second frame body unit 2 rotates relative to the first frame body unit 1, the angle between the first abutting unit 13 and the second abutting unit 23 is adjusted accordingly, the adjustment is convenient, the switching of the body-building chair or the deck chair or the chair is completed by one key, the structure of the chair is greatly simplified, the operation is simple and rapid, and the installation or the disassembly is convenient; the first frame unit 1 and the second frame unit 2 in this embodiment can be adjusted to an overlapped state, on one hand, the overall structure of the chair can be reduced, the packaging, carrying and transportation are facilitated, and the cost is greatly reduced, on the other hand, when the first frame unit 1 and the second frame unit 2 are adjusted to the overlapped state, the first frame unit and the second frame unit can be used as fitness equipment such as sit-up and push-up, and relatively large stretching ranges can be provided for the legs, the waist, the abdomen, the back, the shoulders, the neck and the like, and the second frame unit 2 can not obstruct the stretching action, and can freely perform various stretching actions; because the height of the lower end of the second supporting unit 4 in the embodiment is lower than that of the first connecting position 103, when the chair is in the first posture of the deck chair or the seat, the hip, the leg and the like can be attached to the first abutting unit 13 on the first frame body unit 1, the contact area of the human body and the first abutting unit 13 is increased, the stress points are dispersed, and the chair is more comfortable and relaxed; when the chair is in the second posture of the fitness equipment, the second frame body unit 2 is overlapped at the rear part of the first frame body unit 1, so that the second abutting unit 23 and the first supporting unit 3 together form the supporting amplitude required for the exercise, namely, the stretching range of the legs, the waist, the abdomen, the back, the shoulders, the neck and other parts is increased when the fitness requirements of push-up, sit-up and the like are increased, the existing independent fitness equipment is completely replaced, of course, when the second magazine unit 2 is stacked on the rear of the first magazine unit 1, the angle between the second abutment unit 23 and the first abutment unit 13 may be equal to 180 degrees, i.e. the second frame unit 2 overlaps just the rear of the first frame unit 1, may be slightly more or less than 180 degrees, that is, the second frame unit 2 is slightly inclined and is folded at the rear part of the first frame unit 1, and can be used as fitness equipment for sit-up, push-up and the like. In addition, for clarity, in this embodiment, the first posture for the reclining chair or the seat is that the second frame unit 2 and the first frame unit 1 have an angle, and the second posture for the exercise device is that the second frame unit 2 and the end of the first frame unit 1 are overlapped, and in other embodiments, the second frame unit 2 and the first frame unit 1 may also be used as the exercise device when having an angle, and the present invention is also within the protection scope of the present invention.

As shown in FIG. 3, as a first embodiment of the present invention, the first frame unit 1 comprises two frame structures 11 arranged in parallel, the frame structures 11 are arranged in a rod-like structure, the first abutting unit 13 is installed and supported between the two frame structures 11, so that the two frame structures 11 and the first abutting unit 13 together form a supporting end face for supporting buttocks, legs and the like, thereby greatly saving the required section bar of the first frame unit 1, saving the cost, reducing the overall weight of the chair, facilitating the use and the transportation, and the two frame body structures I11 are arranged in parallel, compared with the non-parallel arrangement, on one hand, the volume of the whole chair is reduced, thereby be convenient for put, packing, carry and transport, on the other hand for the width between two support body structures 11 front, the rear end is unanimous, thereby is convenient in the installation or connect first unit 13 that leans on. Of course, in other embodiments, the frame structures one 11 may be arranged as one and arranged as a plate-like structure, or arranged as a combination of three, four, five or more rod-like structures and the first abutting unit 13, or arranged without the first abutting unit 13, or arranged as other frame structures, and the two frame structures one 11 may also be arranged in a non-parallel manner such as a splayed shape, an inverted splayed shape, or a crossed shape, which can also form a supporting end face together with the first abutting unit 13 for supporting buttocks, legs, etc. Of course, the frame structure 11 in this embodiment is made of metal materials such as steel and iron, etc. to enhance the firmness of the structure, and in other embodiments, the frame structure 11 may also be made of materials such as wood and plastic, etc. or other materials, or a combination of these materials, so as to make the chair more versatile.

As shown in fig. 3, as a first embodiment of the present invention, the first frame unit 1 further includes two lateral support structures one 12 disposed between the two frame structures one 11 at an interval, the lateral support structures one 12 is disposed in a rod-like structure, and the first abutting unit 13 is installed and supported above the two frame structures one 11 and the two lateral support structures one 12. In this embodiment, two transverse supporting structures one 12 arranged at intervals are additionally arranged between two frame structures one 11, so that the stability and the bearing performance of the first frame unit 1 and the first abutting unit 13 are improved, the two transverse supporting structures one 12 are arranged at intervals, profiles required by the first frame unit 1 are greatly saved, the cost is saved, the overall weight of the chair is reduced, and the chair is convenient to use and carry. Moreover, in this embodiment, the two first transverse supporting structures 12 are arranged in parallel, so that an unsupported space is formed between the two first transverse supporting structures 12, and when the hip, the leg and other parts are placed on the first abutting unit 13 arranged on the first frame unit 1, the first frame unit is more comfortable and relaxed. In addition, the first transverse supporting structure 12 in this embodiment is configured to be a concave arc structure, so as to further increase the attaching area of the first abutting unit 13 above the first transverse supporting structure 12 to the hips, the legs, and the like, and further improve the comfort of the hips, the legs, and the like, of course, in other embodiments, the first transverse supporting structure 12 may also be configured to be a convex arc structure to improve the stretching range of the legs, the waist, the abdomen, the back, the shoulders, the neck, and the like, or may be configured to be a straight structure and also be used for supporting the hips, the legs, and the like. Of course, the lateral support structure 12 in this embodiment is made of metal material such as steel, iron, etc. to enhance the firmness of the structure, and in other embodiments, the lateral support structure 12 may also be made of wood, plastic, etc. or other materials, or a combination of these materials, to make the chair more versatile.

As shown in fig. 3, as the first embodiment of the present invention, a first frame structure 11 is provided as an integral structure, so as to enhance the stability of the first frame structure 11, and the structure is simple, and is convenient for production and processing.

As shown in fig. 3, as the first embodiment of the present invention, the second frame unit 2 is connected to the first frame unit 1 through the third rotating assembly 8, and the third rotating assembly 8 is used for the second frame unit 2 to perform position adjustment and position locking for the first posture of the reclining chair or the seat and the second posture of the fitness equipment relative to the first frame unit 1. In this embodiment, through set up third rotating assembly 8 between second support body unit 2 and first support body unit 1 and can realize angle between second support body unit 2 and the first support body unit 1, the regulation and the locking of position, first support body unit 1 rotates second support body unit 2 relatively, first support leans on unit 13 and second to lean on the angle between unit 23 also to adjust thereupon, it is convenient to adjust, the switching of body-building or deck chair or seat is accomplished to the key, and the structure of multi-functional chair has been simplified greatly, the weight of multi-functional chair has been reduced, facilitate the use and the transport, and the installation is convenient with the dismantlement. Of course, in other embodiments, the third rotating assembly 8 may also be only used to adjust the angle and the position between the second frame unit 2 and the first frame unit 1, and cooperate with other locking structures to achieve the locking of the angle and the position between the second frame unit 2 and the first frame unit 1, or the third rotating assembly 8 may only be used to achieve the locking of the angle and the position between the second frame unit 2 and the first frame unit 1, cooperate with other adjusting structures to achieve the adjustment of the angle and the position between the second frame unit 2 and the first frame unit 1, and also may achieve the adjustment and the locking of the angle and the position between the second frame unit 2 and the first frame unit 1.

As shown in fig. 4, as the first embodiment of the present invention, a second posture for the fitness equipment is rotated by the second frame unit 2 through the third rotating assembly 8 relative to the first frame unit 1, and is formed when moving to coincide with the end 102 along the end 102 direction of the first frame unit 1, at this time, the second leans on the unit 23 to also move to coincide with the end 102 along with the second frame unit 2, so that the whole body of the chair forms the fitness equipment structures such as sit-up, push-up, and the like, and can be used for the extensive stretching action of the legs, waist, abdomen, back, shoulders, neck, and the like. In this embodiment, the third rotating assembly 8 is disposed at the middle position of the first frame unit 1, so that the second frame unit 2 can be overlapped with the end 102 after moving along the direction of the end 102 of the first frame unit 1, thereby ensuring that the second abutting unit 23 is maximally extended from the first abutting unit 13 to form a maximum supporting end surface, of course, in other embodiments, the third rotating assembly 8 may also be disposed at a distance forward from the middle position of the first frame unit 1, so that the second frame unit 2 is overlapped with a part of the structure of the first frame unit 1 near the end 102 after moving along the direction of the end 102 of the first frame unit 1 to form a slightly smaller supporting end surface, and also can be switched between the first posture for the reclining chair or the seat and the second posture for the fitness equipment. In this embodiment, the shape of the second frame unit 2 is matched with the shape of the end 102 of the first frame unit 1, so that the folding degree is higher, and no additional space is required, and of course, in other embodiments, the shapes of the second frame unit 2 and the end 102 of the first frame unit 1 may be different, so that they are only partially folded, and a second posture for the fitness equipment can also be formed.

As shown in fig. 1, as a first embodiment of the present invention, a first posture for a reclining chair or a seat is formed by rotating a second frame unit 2 relative to a first frame unit 1 through a third rotating assembly 8 and moving the second frame unit 1 in either direction to have an angle with the first frame unit 1, at this time, a second leaning unit 23 moves to have a certain angle with the end 102 of the first frame unit 1 along with the second frame unit 2, so that the whole chair is a reclining chair or a seat structure, and the second frame unit 2 can be adjusted to a comfortable height as required, and of course, when the chair is in the first posture for the reclining chair or the seat, the chair can also be used for stretching exercise motions of legs, waist, abdomen, back, shoulders, neck, and the like.

As shown in fig. 3, as a first embodiment of the present invention, the second frame unit 2 comprises two frame structures two 21 arranged in parallel, the frame structures two 21 are arranged in a rod-like structure, the second abutting unit 23 is installed and supported between the two frame structures two 21, so that the two frame structures two 21 and the second abutting unit 23 together form a supporting end face mainly used for supporting the back, the waist and the like, greatly saving the section bar required by the second frame unit 2, saving the cost, reducing the overall weight of the chair, facilitating the use and the transportation, and the two second frame structures 21 are arranged in parallel, compared with the non-parallel arrangement, on one hand, the volume of the whole chair is reduced, thereby be convenient for put, packing, carry and transport, on the other hand for the width between the upper and lower end of two support body structures two 21 is unanimous, thereby is convenient in the installation or connect the second and leans on unit 23. Of course, in other embodiments, the two frame structures 21 may be arranged as one and arranged as a plate-like structure, or arranged as a combination of three, four, five or more rod-like structures and the second abutting unit 23, or without the second abutting unit 23, or arranged as other frame structures, and the two frame structures 21 may also be arranged in a non-parallel manner, such as in a splayed shape, an inverted splayed shape, or a crossed shape, which can also form a supporting end face together with the second abutting unit for supporting the back, waist, and the like. Certainly, the second frame structure 21 in this embodiment is made of metal materials such as steel and iron, which enhances the firmness of the structure, and in other embodiments, the second frame structure 21 may also be made of materials such as wood and plastic, or other materials, or a combination of these materials, which makes the chair more versatile.

As shown in fig. 3, as the first embodiment of the present invention, the second frame unit 2 further includes two lateral support structures two 22 disposed between the two frame structures two 21 at intervals, the lateral support structures two 22 are disposed in a rod-like structure, and the second abutting unit 23 is installed and supported in front of the two frame structures two 21 and the two lateral support structures two 22. In the embodiment, the two transverse support structures two 22 arranged at intervals are additionally arranged between the two frame structures two 21, so that the stability and the bearing performance of the second frame unit 2 and the second abutting unit 23 are improved, and the two transverse supporting structures two 22 are arranged at intervals, so that profiles required by the second frame body unit 2 are greatly saved, the cost is saved, and the overall weight of the chair is reduced, thereby being beneficial to use, package, carrying and transportation, of course, in other embodiments, the second lateral support structure 22 can also be arranged as one and as a plate-like structure, or as three, four, five or even more spaced or non-spaced rod-like structures, or in other frame structures, to improve the stability and load-bearing properties of the second frame unit 2, and in other embodiments the second lateral support structure 22 may not be provided. Moreover, in this embodiment, the two transverse supporting structures two 22 are arranged in parallel, so that an unsupported space is formed between the two transverse supporting structures two 22, and when the back, the waist and other parts are placed on the second abutting unit 23 arranged on the second frame unit 2, the second frame unit is more comfortable and relaxed, and of course, in other embodiments, the two transverse supporting structures two 22 may also be arranged in a non-parallel manner such as a splayed manner, an inverted splayed manner, or arranged in a cross manner, so that the stability and the bearing performance of the second frame unit 2 can also be improved. In addition, the second lateral support structure 22 in this embodiment is configured to be a concave arc structure, so that the attaching area of the second abutting unit 23 in front of the second lateral support structure 22 to the back and the waist is further increased, and the comfort of the back and the waist is further improved, of course, in other embodiments, the second lateral support structure 22 may also be configured to be a convex arc structure in front so as to improve the stretching range of the legs, the waist, the abdomen, the back, the shoulders, the neck, or configured to be a straight structure and also be used for supporting the back and the waist. Of course, the second lateral support structure 21 in this embodiment is made of metal material such as steel, iron, etc. to enhance the firmness of the structure, and in other embodiments, the second lateral support structure 21 may also be made of material such as wood, plastic, etc. or other materials, or a combination of these materials, so as to make the chair more versatile.

As shown in fig. 7, as a first embodiment of the present invention, the third rotating assembly 8 includes a ratchet 812 with a ratchet arm 811, a ratchet shaft 813, a rotating arm 814, a non-return pawl 815, a non-return pawl shaft 816, a returning member 817, and a returning member 818, wherein the ratchet arm 811 is connected to the second frame structure 21, one end of the rotating arm 814 is hinged to the ratchet 812 through the ratchet shaft 813, the other end is connected to the first frame structure 11, the non-return pawl 815 is hinged to the rotating arm 814 through the non-return pawl shaft 816 and is disposed corresponding to the ratchet 812 for preventing the ratchet 812 from rotating, the returning member 817 is sleeved on the ratchet shaft 813, one end of the returning member 817 is provided with an arc notch structure 8171, the ratchet 812 is provided with an arc protrusion structure 8121 corresponding to the arc notch structure 8171, the other end of the returning member 817 is provided with a protrusion structure 8172 corresponding to the non-return pawl 815, the protrusion structure 8172 is used for driving the non-return pawl 815 to leave the ratchet 812, the return element 818 is a return spring selected to urge the check pawl 815 against the ratchet 812 after the check pawl 815 leaves the ratchet 812. In this embodiment, when the second frame structure 21 rotates toward the head end 101, the ratchet 812 also rotates counterclockwise, and meanwhile, the non-return pawls 815 pass through the tooth backs of the ratchet 812 one by one, and after the second frame structure 21 is adjusted to a required angle, the non-return pawls 815 return to abut against a certain tooth groove of the ratchet 812 under the elastic force of the reset piece 818, so as to lock the ratchet 812, that is, lock between the second frame structure 21 and the first frame structure 11; when the second frame structure 21 needs to be rotated toward the tail end 102, the second frame structure 21 is rotated toward the head end 101 to enable the front side of the arc-shaped protrusion structure 8121 on the ratchet 812 to abut against the front side of the arc-shaped notch structure 8171 on the return member 817, the second frame structure 21 is continuously rotated to enable the arc-shaped protrusion structure 8121 to push the arc-shaped notch structure 8171 to rotate around the counterclockwise direction until the protrusion structure 8172 pushes the pawl 835 away from the ratchet 812, then the second frame structure 21 is rotated toward the tail end 102, when the rear side of the arc-shaped protrusion structure 8121 abuts against the rear side of the arc-shaped notch structure 8171 on the return member 817, the second frame structure 21 is continuously rotated to enable the arc-shaped protrusion structure 8121 to push the arc-shaped notch structure 8171 to rotate around the clockwise direction until the protrusion structure 8172 leaves the non-return pawl 815, and the non-return pawl 815 returns to abut against a certain tooth groove of the ratchet 812 under the elastic force of the return member 818, thereby achieving locking of the ratchet 812, i.e., locking between the second frame structure 21 and the first frame structure 11. The third rotating assembly 8 of this embodiment is simple in structure and easy to operate, and can enable the second frame structure 21 connected to the ratchet arm 811 to rotate and lock between the head end 101 and the tail end 102 of the first frame structure 11 connected to the rotating arm 834, of course, in other embodiments, the third rotating assembly 8 can be provided with other ratchet structures or hinge structures that can enable the second frame structure 21 to rotate and lock between the head end 101 and the tail end 102 of the first frame structure 11, and can also enable the second frame structure 21 to rotate and lock between the head end 101 and the tail end 102 of the first frame structure 11. In addition, the third rotating assemblies 8 in this embodiment are provided with two third rotating assemblies, and are respectively welded between the frame body structure two 21 and the frame body structure one 11 on the same side, so that adjustability and stability during adjustment are improved, of course, in other embodiments, only one third rotating assembly 8 may be provided, the welding manner may be replaced by other connection manners such as threaded connection, riveting connection, and snap connection, and the third rotating assembly 8 may also be provided between any one or two of the frame body structure two 21 and the transverse support structure two 22 and any one or two of the frame body structure one 11 and the transverse support structure one 12, so that the rotational connection and locking between the second frame body unit 2 and the first frame body unit 1 can also be realized.

As shown in fig. 3, as a first embodiment of the present invention, the first connecting position 103 is disposed near the head end 101 of the frame structure one 11, i.e. the first supporting unit 3 is supported near the head end 101 of the frame structure one 11, thereby reducing the height of the whole chair and improving the stability of the whole chair, and a distance is left between the head end 101 of the frame structure one 11 and the first connecting position 103, on one hand, improving the stability of the connection of the first supporting unit 3 and the frame structure one 11 and reducing the risk of falling off the connection, on the other hand, the part of the structure of the head end 101 of the frame structure one 11 can be used as an armrest, especially for assisting the human body to perform various body-building actions such as sit-up, push-up, and the like when the chair is in the second posture of the body-building apparatus, furthermore, the first leaning unit 13 is disposed on the frame structure one 11 near the first connecting position 103 along the direction of the tail end 102, the supporting end face for propping open between the first propping unit 13 and the second propping unit 23 is larger, the contact area with a larger area is larger than that of the human body, the acting points are more dispersed, and therefore the comfort is improved. Certainly, in other embodiments, the first connection position 103 may also be overlapped with the head end 101 of the first frame structure 11, so as to further reduce the overall height of the chair, thereby improving the overall stability of the chair, and hide the head end 101 of the first frame structure 11 in the first support unit 3, so that the overall chair is simpler and more unobstructed in use, or set the first connection position 103 and the head end 101 of the first frame structure 11 overlapped and close to the head end 101 of the first frame structure 11 while setting another first connection position 103, thereby improving the stability of the first support unit 3 connected with the first frame structure 11 on the basis of simplification and obstruction-free, and reducing the risk of falling off connection. In this embodiment, the first connection position 103 is disposed on the first frame structure 11 to enhance the stability and the load-bearing performance of the chair, however, in other embodiments, the first connection position 103 may also be disposed on the first transverse support structure 12, or on the first frame structure 11 and the first transverse support structure 12, so that the first support unit 3 is connected to the first transverse support structure 12, or connected to both the first frame structure 11 and the first transverse support structure 12, which can support the head end 101 or the position near the head end 101 of the first frame unit 1 by the first support unit 3, and the height of the tail end 102 of the first frame unit 1 is lower than the height of the first connection position 103.

As shown in fig. 1, as the first embodiment of the present invention, the first supporting unit 3 is set as one, which is simple in structure, and is beneficial to use, carrying and transporting, of course, in other embodiments, the first supporting unit 3 can also be set as two, three or more, so as to enhance the support of the first frame unit 1, and improve the stability and the load-bearing performance of the chair. In addition, first supporting unit 3 is the angle setting with the installation terminal surfaces such as floor, ground mat, gravel and sand and various indoor or outdoor platform surfaces, promptly, first supporting unit 3 inclines to these installation terminal surfaces and sets up, and in this embodiment, the upper end of first supporting unit 3 inclines backward and sets up, makes the whole structure that closes gradually from the bottom up that forms of chair, and each part of chair can become inseparabler when first support body unit 1 atress, and the structure is more stable and firm. Of course, in other embodiments, the upper end of the first support unit 3 may also be disposed forward, so that the whole chair is gradually folded from top to bottom, so that the feet, the lower legs, and the like can move without hindrance, or the first support unit 3 is disposed perpendicular to the installation end surfaces, and can also form a stable triangular support structure with the first frame unit 1 and the installation end surfaces such as the ground, so as to achieve stable placement and use of the chair.

As shown in fig. 3, as the first embodiment of the present invention, the first supporting unit 3 includes two parallel arrangement's first supporting piece 31, the upper end of two first supporting pieces 31 links to each other with the first hookup location 103 on the frame structure 11 of homonymy respectively, the lower extreme is used for leaning on the floor, the ground mat, gravel and various indoor or outdoor platforms etc. installation medium's installation terminal surface, first supporting piece 31 is set to narrow-end-down wide structure, make the lower terminal surface of first supporting piece 31 and installation terminal surfaces such as ground have bigger area of contact, the holistic stability of chair and bearing performance have been improved. And two first support piece 31 parallel arrangement for the splayed setting, on the one hand, has reduced the holistic volume of chair to be convenient for put, pack, carry and transport, on the other hand, two first support piece 31 are in the coplanar with a support body structure 11 of homonymy respectively, and exert backward forward holding power to a support body structure 11 of homonymy respectively, thereby improve the stability of supporting. Of course, in other embodiments, the first supporting members 31 may be arranged in one and plate-like structure, and connected to the first connecting positions 103 on the two frame structures one 11 at the same time, or arranged in three, four, five or even more first supporting members 31, so that one frame structure one 11 is connected to a plurality of first supporting members 31, and the two first supporting members 31 may also be arranged in a non-parallel manner such as a splay or an inverted splay, or arranged in a cross manner, so that the two first supporting members 31 are connected to the opposite frame structure one 11, which also can realize the support of the first supporting unit 3 at the first connecting positions 103 on the first frame unit 1. Of course, the first supporting member 31 in this embodiment is made of a wooden material to enhance the comfort, and in other embodiments, the first supporting member 31 may also be made of a metal material such as steel or iron, or a plastic material, or other materials, or a combination of these materials to make the chair more versatile.

As shown in fig. 3, as a first embodiment of the present invention, the first supporting member 31 is configured as a split structure, and includes a first supporting portion 311 and a second supporting portion 312, wherein the first supporting member 31 is directly connected to the first connecting position 103 on the frame body structure one 11, and the second supporting portion 312 is pivotally connected to the first supporting portion 311, and the second supporting portion 312 can be rotated relative to the first supporting portion 311, so as to change an angle formed between the first supporting portion 311 and the second supporting portion 312. In this embodiment, when the second supporting portion 312 rotates relative to the first supporting portion 311 to abut against the lower portion of the first frame portion 111, the second supporting portion 312 can be folded, so as to reduce the overall size of the chair, and facilitate storage, packaging, carrying or transportation, and when the second supporting portion 312 rotates relative to the first supporting portion 311 to the original state, the second supporting portion 312 can be unfolded for use. In this embodiment, the second pivot structure 313 between the first support part 311 and the second support part 312 is a hinge structure, which is simple in structure and convenient for assembly and use, and in other embodiments, the second pivot structure 313 may also be another pivot connecting part capable of enabling the second support part 312 to rotate and fold relative to the first support part 311 and forming the shape and structure of the original first support part 31 when the second support part 312 is unfolded for use, and also capable of enabling the second support part 312 to switch between the folded state and the unfolded state.

As shown in fig. 5, as the first embodiment of the present invention, the multifunctional body-building chair further includes a positioning unit 9 disposed on the first supporting unit 3, when the chair is in the first state of the reclining chair or the seat, it can be used for placing feet, legs, etc., to improve the comfort level when sitting or lying, when being in the second posture of the body-building apparatus, it can also be used for placing or positioning feet, legs, etc., or simultaneously used for placing and positioning feet, legs, etc., to assist in performing various stretching actions of legs, waist, abdomen, back, shoulders, neck, etc., and completely replace the existing independent body-building apparatus.

As shown in fig. 5, as a first embodiment of the present invention, the positioning unit 9 includes two positioning connectors 91 and two positioning adjusting members 92, wherein the positioning connectors 91 are disposed in a rod-like structure, and two positioning connectors 91 are disposed at intervals, and two ends of the two positioning connectors 91 are respectively connected to the two first supporting members 31, on one hand, the two positioning connectors 91 and the two first supporting members 31 together form a leaning end surface for placing or positioning the feet and the legs, thereby greatly saving the required section bar of the positioning unit 9, saving the cost, reducing the overall weight of the chair, facilitating the use and transportation, and the two positioning connectors 91 are disposed at intervals, so that the feet and the legs can be placed between the two positioning connectors 91, thereby realizing the spacing and the supporting of the front and rear two contact surfaces, and improving the positioning stability, on the other hand, the two positioning connectors 91 are connected between the two first supporting members 31, and also enhance the stability of the first supporting unit 3. The two first supporting members 31 are respectively sleeved with a positioning adjusting member 92, and the outer ends of the positioning adjusting members 92 are provided with positioning end faces for abutting against the feet, the shanks and the like, so that the contact areas of the two positioning connecting members 91 with the feet, the shanks and the like are increased, and the comfort level is improved. In this embodiment, the two positioning connectors 91 are provided, and are respectively sleeved with the positioning adjusting members 92, so that the feet, the shanks and the like and the positioning unit 9 have two placing or positioning end surfaces, thereby improving the comfort and the positioning stability, of course, in other embodiments, the positioning connectors 91 may also be provided with only one, or three, four, five or even more, the positioning adjusting members 92 may also be sleeved on only one of the positioning connectors 91, or various combinations may be performed on some of the positioning connectors 91, or no positioning adjusting members 92 are provided, which can also realize the placing or positioning of the feet, the shanks and the like. In addition, the positioning connecting piece 91 and the first supporting piece 31 can adopt fixed connecting structures such as welding, riveting and the like to enhance the stability of the structure, or can adopt detachable connecting structures such as a thread structure, a screw, a pin and the like to enable the chair to be switched between a positioning unit and a positioning unit, thereby enabling the chair to be more diversified, or adopt a rotatable connecting structure to enable the positioning connecting piece 91 to rotate relative to the first supporting piece 31 to have a massage effect on the feet, the legs and other parts, thereby enriching the functionality of the chair, and similarly, the positioning adjusting piece 92 and the positioning connecting piece 91 can adopt fixed connecting structures such as welding, gluing and the like to enhance the stability of the structure, and can also adopt detachable connecting structures such as clamping connection, thread connection, interference connection and the like to enable the chair to be switched between the positioning adjusting piece and the positioning adjusting piece without, thereby enabling the chair to be more diversified, or a rotatable connecting structure is adopted, so that the positioning adjusting piece 92 can rotate relative to the positioning connecting piece 91, the massage effect on the feet, the shanks and the like is improved, and the functionality of the chair is enriched. In addition, the lower end of the first supporting portion 311 in this embodiment is disposed close to the first connecting position 103, and the positioning connection member 91 is disposed only on the second supporting portion 312, so that the folded and folded second supporting portion 312 is closer to the first frame structure 11, and the folded and folded chair is more compact, of course, in another embodiment, the lower end of the first supporting portion 312 may be disposed slightly away from the first connecting position 103, the positioning connection member 91 may be disposed on both the first supporting portion 311 and the second supporting portion 312, or disposed only on the first supporting portion 311, and the second supporting portion 312 can be rotated and folded relative to the first supporting portion 311, and switched between the folded state and the unfolded state, in addition, the connecting end of the first supporting portion 311 and the second supporting portion 312 is further provided with a positioning protrusion, and the connecting end of the second supporting portion 312 is correspondingly provided with a positioning groove, the positioning device is used for positioning the second supporting part 312 after being unfolded, so that the connection stability is enhanced, and the first supporting part 311 or the second supporting part 312 is prevented from being twisted, inclined and the like. Of course, the positioning connection member 91 in this embodiment is made of metal material such as steel, iron, etc. to enhance the firmness of the structure, and in other embodiments, the positioning connection member 91 may also be made of material such as wood, plastic, etc. or other materials, or a combination of these materials, so as to make the chair more versatile.

As shown in fig. 5, as the first embodiment of the present invention, the positioning adjusting member 92 is set to be a flexible structure such as a sponge, a foam, or a soft silica gel structure, and the comfort levels of the feet, the legs, etc. placed or positioned on the positioning adjusting member 92 are further improved, of course, in other embodiments, the positioning adjusting member 92 may also be set to be a rigid structure such as steel, iron, plastic, or hard silica gel, and the contact area between the two positioning connecting members 91 and the feet, the legs, etc. can be increased, and the comfort level is improved moderately.

As shown in fig. 2, as the first embodiment of the present invention, the second supporting unit 4 is connected to the main body of the first supporting unit 3 near the end 102 and the end 102, so as to increase the contact area of the connection region and improve the stability and the load-bearing performance of the whole chair, and of course, in other embodiments, the second supporting unit 4 may be connected to the end 102 of the first frame structure 11 or a position near the end 102, and may also support the first frame unit 1. And the second supporting unit 4 is provided as an independent structure for easy assembly or disassembly, in other embodiments, the second supporting unit 4 may also be formed by the end 102 of the first frame unit 1, or a body close to the end 102 and the end 102 together, that is, the end 102 of the first frame unit 1 or the body close to the end 102 directly contacts with the installation end surface such as the ground, so as to simplify the structure, facilitate production and processing, and also support the first frame unit 1, and maintain the balance of the whole chair.

As shown in fig. 4, as the first embodiment of the present invention, the second supporting unit 4 is set as one, which is simple in structure, and is beneficial to use, package, carry and transport, and of course, in other embodiments, the second supporting unit 4 can also be set as two, three or more, so as to enhance the support of the rear portion of the first frame unit 1, and improve the stability and the load-bearing performance of the chair. In addition, the second supporting unit 4 is disposed at an angle with respect to the installation end surfaces such as the floor, the floor mat, the gravel, and various indoor or outdoor platform surfaces, that is, the second supporting unit 4 is disposed obliquely with respect to these installation end surfaces, in this embodiment, the upper end of the second supporting unit 4 is disposed forward, so that the entire chair is gradually folded from bottom to top, when the first frame unit 1 is stressed, each part of the chair becomes tighter, the structure is more stable and firm, and the forward inclined angle of the upper end of the second supporting unit 4 makes the end 102 of the first frame unit 1 and the main body near the end 102 have the same shape, so that the contact area of the connection region is further increased, the entire chair is more stable in structure, and has better bearing performance, and a stable triangular supporting structure can be formed with the installation end surfaces such as the first frame unit 1, the first supporting unit 3, and the ground, realize the stable putting and use of the chair. Of course, in other embodiments, the upper end of the second supporting unit 4 may also be inclined backward, so that the whole chair is gradually folded from top to bottom, and the end 102 of the first frame unit 1 has a certain height with the installation end surface such as the ground, so that the chair can move under the end 102 of the first frame unit 1 without hindrance, or the second supporting unit 4 is vertically arranged with the installation end surface such as the ground, and can also support the front end and the rear end of the first frame unit 1 together with the first supporting unit 3, so as to achieve stable placement and use of the chair.

As shown in fig. 5, as the first embodiment of the present invention, the second supporting unit 4 includes two parallel arrangement's second supporting pieces 41, two second supporting pieces 41 are respectively composed of a frame body structure 11 on the same side, the lower ends of two second supporting pieces 41 are used for abutting against the installation end face of the installation medium such as the floor, the ground mat, the gravel and various indoor or outdoor platforms, the second supporting pieces 41 are set to be in the structure with the upper narrow and the lower wide, so that the lower end face of the second supporting piece 41 has a larger contact area with the installation end face such as the ground, and the stability and the bearing performance of the whole chair are improved. And two second support piece 41 parallel arrangement for the splayed setting, on the one hand, has reduced the holistic volume of chair to be convenient for put, pack, carry and transport, on the other hand, two second support piece 41 are in the coplanar with a support body structure 11 of homonymy respectively, and exert forward holding power to a support body structure 11 of homonymy respectively, thereby improve the stability of supporting. Of course, in other embodiments, the second supporting members 41 may be disposed in one and plate-like structure, and connected to two frame structures one 11, or disposed in three, four, five or even more second supporting members 41, such that one frame structure one 11 is connected to a plurality of second supporting members 41, and the two second supporting members 41 may be disposed in a non-parallel manner, in a splayed manner, in an inverted splayed manner, or disposed in a crossed manner, such that two second supporting members 41 are connected to the opposite frame structure one 11, which also enables the second supporting unit 4 to support the rear portion of the first frame unit 1. In this embodiment, second support 41 and frame structure 11 are close to terminal 102's main part and terminal 102 and link to each other, the area of contact of connection region has been increased, the stability of connection has been improved, of course, in other embodiments, this second support 41 also can link to each other with frame structure 11's terminal 102 alone or the position that is close to terminal 102, this second support 41 and frame structure 11 between can adopt fixed connection structure connection such as welding, riveting, improve the stability of connection, can also adopt detachable connection structure connection such as screw, buckle, be convenient for installation, dismantle. The second supporting member 41 in this embodiment is made of a wooden material to enhance the comfort, and in other embodiments, the second supporting member 41 may also be made of a metal material such as steel or iron, or a plastic material, or other materials, or a combination of these materials to make the chair more versatile.

As shown in fig. 5, as the first embodiment of the present invention, the second supporting member 41 is provided as an integral structure, which enhances the stability of the second supporting unit 4, and has a simple structure, and is convenient for production and processing. Of course, in other embodiments, the second supporting member 41 may also adopt a split structure similar to the first supporting member 31, and the second supporting member 41 is folded after rotating relative to the first frame structure 11, so as to reduce the overall volume of the chair, and facilitate use, packaging, carrying and transportation.

As shown in fig. 6, as the first embodiment of the present invention, the second supporting unit 4 further includes a second reinforcing member 42 disposed between the two second supporting members 41 for reinforcing the stability and the load-bearing performance of the structure of the second supporting unit 4, and the second reinforcing member 42 is disposed in a rod-like structure, so as to greatly save the section bar required by the second reinforcing member 42, save the cost, reduce the overall weight of the chair, and facilitate the use and the transportation. Of course, in other embodiments, the second reinforcing member 42 may also be provided in two, three or more to further enhance the stability of the second supporting unit 4, and the rod structure may also be replaced with a plate structure or other structures, so as to achieve the effect of enhancing the stability and the load-bearing performance of the structure of the second supporting unit 4. In addition, the second reinforcing member 42 in this embodiment is disposed between the end portions of the two second supporting members 41, so as to enhance the stability of the second supporting unit 4, and of course, in other embodiments, the second reinforcing member 42 may be disposed between other positions of the two second supporting members 41, so as to achieve a certain effect of enhancing the stability and the load-bearing performance of the second supporting unit 4. Of course, the second reinforcement 41 in this embodiment can be made of metal material such as steel, iron, etc. to enhance the firmness of the structure, and in other embodiments, the second reinforcement 41 can also be made of material such as wood, plastic, etc. or other materials, or a combination of these materials to make the chair more versatile.

As shown in fig. 2, as the first embodiment of the present invention, the multifunctional body-building chair further includes the armrest structure 14, the armrest structure 14 is installed outside the head end 101 of the first frame structure 11, the contact area of the head end 101 of the first frame structure 11 held by the hand is increased, so as to improve the comfort level of use, and the chair is particularly suitable for assisting the human body to perform various body-building actions such as sit-up, push-up and the like when the chair is in the second posture of the body-building apparatus. In this embodiment, the armrest structure 14 is disposed outside the head end 101 of the frame structure one 11, which is beneficial for installation, detachment and use, and is convenient for production and processing, and has an anti-collision effect on the position of the head end 101, of course, in other embodiments, the armrest structure 14 may be disposed at other positions on the frame structure one 11, or disposed on any one of the lateral support structure one 12, the first abutting unit 13, the first rotating assembly 6, the first support member 31, the positioning connection member 91, the positioning adjustment member 92, the frame structure two 21, the lateral support structure two 22 or the second abutting unit 23, or on a combination of any several of them, and can also achieve an effect of assisting the human body to perform various body-building actions such as sit-up, push-up, and the like. In addition, in this embodiment, the handrail structure 14 adopts a flexible structure such as a sponge, a foam or a soft silica gel structure, so as to improve the comfort level of holding, but in other embodiments, the handrail structure 14 may also adopt a rigid structure such as a steel body, an iron body or a wood body, so as to appropriately improve the comfort level of use.

As shown in fig. 2, as the first embodiment of the present invention, the first handrail structure 14 is rotatably connected to the first head end 101 of the first frame structure 11, and the first frame structure 11 can rotate after holding the first handrail structure 14, so as to facilitate the body-building actions of the human body at various positions such as the hand and the wrist that need to be twisted, thereby improving the body-building effect. Of course, in other embodiments, the handle structure 14 may also be connected to the head end 101 of the first frame structure 11 through a fixed connection structure such as welding or gluing, so as to enhance the connection stability, or connected through a detachable connection structure such as a thread, a screw, a snap, an interference, etc., so as to conveniently replace different types of handle structures 14.

As shown in fig. 8, as the first embodiment of the present invention, the first abutting unit 13 includes a first abutting structure 131, the first abutting structure 131 is mainly used for contacting and supporting the buttocks, the legs, etc. when the human body is sitting or lying, the first abutting structure 131 is disposed on the first frame structure 11, the first abutting structure 131 is formed by extending from the rear end close to the first connecting position 103 along the direction close to the end 102 of the first frame unit 1, on one hand, the front end of the first abutting structure 131 is disposed close to the first connecting position 103 supported by the first supporting member 31, so that the first abutting structure 131 is disposed between the first connecting position 103 on the first frame structure 11 with a large area and the first rotating member 6, thereby ensuring that the first abutting structure 131 has a sufficiently large contact surface, and does not intersect with the first connecting position 103 or the first rotating member 6, which is convenient for installation, And on the other hand, a placing space is left between the front end of the first abutting structure 131 and the positioning unit 4, and can be used for placing and positioning feet, calves and the like, a placing space is left between the front end of the first abutting structure 131 and the free end of the handrail structure 14, and can be used for placing feet, calves and the like, and the feet, the calves and the like can be blocked in the placing space through the handrail structure 14, so that the positioning of the feet, the calves and the like is further realized, and the collision of the outside to the feet, the calves and the like can be prevented. Of course, in other embodiments, the front end of the first abutting structure 131 may be disposed on the first connecting position 103, and also, on the basis of ensuring that the first abutting unit 13 has a sufficiently large contact end surface, a rest space for placing and positioning the feet, the lower legs, and the like is left, or the first abutting structure 131 may be formed to extend from the front end near the first connecting position 103 in the direction approaching the end 102 of the first frame unit 1, and the rear end of the first abutting structure 131 may be disposed on the first frame structure 11 at the position connected to the first rotating assembly 6, or disposed behind the position connected to the first rotating assembly 6 on the first frame structure 11 even at the end 102 of the first frame unit 1, which also enables the first abutting unit 3 to support the hips, the legs, and the like. Of course, in other embodiments, the first abutting structure 131 may be disposed on the first lateral supporting structure 12, or on the first frame structure 11 and the first lateral supporting structure 12, so as to support the hip, the leg, etc.

As shown in fig. 8, as the first embodiment of the present invention, the first abutting structure 131 is connected to the first frame structure 11 through the first connecting component 132, so that the first abutting structure 131 is detachably connected to the first frame structure 11, and the first abutting structure 131 is conveniently cleaned, or the first abutting structure 131 of different types is replaced according to different requirements, so that the whole chair is more diversified. In this embodiment, be provided with on support body structure 11 and have open-ended slot type structure, first connecting component 132 set to with this slot type structure assorted card strip structure, first support to lean on structure 131 to be connected through this card strip structure and the slot type structure buckle on the support body structure 11, easy to assemble, dismantle, of course, in other embodiments, this slot type structure and card strip structure also can set to other buckle structures, or set to the couple structure, paste other arbitrary detachable connection structure such as structure, or several kinds of detachable connection structure's combination, also can realize conveniently rinsing and replace the first of different grade type to support to lean on structure 131. Of course, in other embodiments, the first connecting assembly 132 may not be provided, and the first abutting structure 131 is directly wrapped outside the first frame structure 11 through a part or all of the structure of the end portion thereof to be connected to the first frame structure 11, so as to simplify the structure and facilitate the production and processing.

As shown in fig. 9, as the first embodiment of the present invention, the second leans on unit 23 to include the second to lean on structure 231, the second leans on the contact and the support of the human back of the body, waist, etc. when sitting or lying on structure 231 mainly used, the second leans on structure 231 to set up on support body structure two 21, extend from the one end that is close to support body structure two 21 along the other end direction that is close to support body structure two 21 and form, in this embodiment, lean on the second to lean on the both ends that structure 231 is close to the both ends setting of support body structure two 21 respectively, make the second lean on the setting of structure 231 great area on support body structure two 21, ensured that the second leans on structure 231 to possess enough big contact terminal surface, and easy to assemble, dismantle. Of course, in other embodiments, the second abutting structure 231 may also be disposed on the frame structure two 21 in a partial area, so that the second abutting structure 231 has a relatively small contact end surface, and the second abutting structure 231 can also support the hip, the leg, and the like. Of course, in other embodiments, the second abutting structure 231 may also be disposed on the second lateral supporting structure 22, or disposed on the second frame structure 21 and the second lateral supporting structure 22, so as to support the back and the waist.

As shown in fig. 9, as the first embodiment of the present invention, the second leaning structure 231 is connected to the second frame structure 21 through the second connecting component 232, so that the second leaning structure 231 is detachably connected to the second frame structure 21, and the second leaning structure 231 is conveniently cleaned, or the second leaning structure 231 of different types is replaced according to different requirements, so that the whole chair is more diversified. In this embodiment, be provided with the groove type structure that has the open-ended on the second 21 of support body structure, set up to with this groove type structure assorted card strip structure through second coupling assembling 232, the second leans on structure 231 to be connected through this card strip structure and the groove type structure buckle on the second 21 of support body structure, easy to assemble, dismantle, of course, in other embodiments, this groove type structure and card strip structure also can set other buckle structures to, or set to the couple structure, paste other arbitrary detachable connection structures such as structure, or several kinds of detachable connection structure's combination, the second that also can realize conveniently wasing and replace the different grade type leans on structure 231. Of course, in other embodiments, the second connecting assembly 232 may not be provided, and the second abutting structure 231 may be directly wrapped on the outside of the second frame structure 21 by a part or the whole of the end of the second abutting structure and connected to the first frame structure 11, so as to simplify the structure and facilitate the production and processing.

As shown in fig. 8-9, as the first embodiment of the present invention, the first abutting structure 131 and the second abutting structure 231 are configured as a cloth structure, which reduces the cost, and of course, the cloth structure can be made of elastic material to improve the flexibility of the sitting or lying, or made of non-elastic material to improve the hardness of the sitting or lying, and in other embodiments, the cloth structure can be replaced by any one or a combination of several other structures such as a leather structure, a bamboo structure, a rattan structure, a plastic structure, and a wood structure, which can also contact and support the buttocks, legs, back, and waist of the human body when the sitting or lying, and make the chair more diversified.

As shown in fig. 6, as the first embodiment of the present invention, the frame structure one 11 is configured as an upward convex arc structure, especially configured as an upward convex arc structure gradually descending from the first connection position 103 of the frame structure one 11 in the direction of the end 102, the frame structure two 21 is configured as an upward convex arc structure matching with the end 102 of the frame structure one 11, since the first abutting unit 13 is formed by extending from the position close to the first connection position 103 in the direction of the end 102, when the chair is in the first posture of the reclining chair or the seat, the human body can lean backward to sit or lie on the first abutting unit 13 and the second abutting unit 23 arranged on the first frame unit 1 and the second frame unit 2 as a whole, thereby realizing the whole body pressure release and relaxation, and the upward convex arc structure makes the hip, leg, back, waist, etc. position more fit with the first abutting unit 13 and the second abutting unit 23, stress points are more dispersed, so that the mattress is more comfortable and relaxed; when the chair is in body-building apparatus's second gesture, the human body can lean on the border position that unit 13 is close to first hookup location 103 from leaning on the unit whole to be the gesture that descends gradually and lie, lie and lean on unit 13 and second to lean on unit 23 at the first support body unit 13 that sets up on first support body unit 1 and second support body unit 2, carry out the body-building action such as sit up, compare and carry out this type of action on the plane in lying to one side, the intensity of body-building has been strengthened, the body-building effect has been promoted, namely, the tensile range of positions such as leg, waist, abdomen, the back, the shoulder, the neck has been increased, the body-building effect has been promoted, and the whole gesture that is descending gradually more accords with human structure, it is more comfortable to carry out body-building actions such as sit up. Of course, in other embodiments, the frame structure one 11 may be an upward convex arc structure with a position between the first connection position 103 and the end 102 higher than the first connection position 103, so that when the chair is in the first posture of the lounge chair or the chair, the human body can lean backward only the upper half and the hip, etc. to sit or lie on the first abutting unit 13 and the second abutting unit 23 arranged on the first frame unit 1 and the second frame unit 2, to realize certain pressure release and relaxation, when the chair is in the second posture of the fitness equipment, the human body can lie on the first abutting unit 13 and the second abutting unit 23 arranged on the first frame unit 1 and the second frame unit 2 from the highest position of the upward convex arc structure to make the upper half and the hip, etc. in a gradually descending posture, to lie on the first abutting unit 13 and the second abutting unit 23 arranged on the first frame unit 1 and the second frame unit 2, to perform a fitness action such as sit up on the back, rather than lying on the plane to perform such action, also can strengthen the intensity of body-building, replace current independent body-building apparatus, perhaps this support body structure 11 also can set to the straight body structure, because the terminal 102 department of support body structure 11 is less than the height of first hookup location 103 department, consequently also can increase the laminating area to a certain extent, promote the comfort level, and make the first second that supports on support body structure 11 and support body structure two 21 support and lean on the unit 13 and support body structure two and lean on the relative angle between the unit 23 and equal 180 degrees, also can increase the tensile range of positions such as thigh, waist, abdomen, the back, shoulder, neck relatively prior art, body-building effect has been promoted.

As shown in fig. 10 to 12, a multifunctional exercise chair is disclosed as a second embodiment of the present invention, which is different from the first embodiment in that: the multifunctional body-building chair further comprises a third supporting unit 5, the third supporting unit 5 is arranged below the rear portion of the second frame body unit 2, and the lower end of the third supporting unit 5 is abutted against the first frame body unit 1. In this embodiment, on the basis that position locking is carried out to frame structure two 21 and frame structure 11 connected with it through third rotating assembly 8 in embodiment one, through addding third support element 5, make third support element 5 support and further locking the rear portion of second frame body unit 2, second frame body unit 2's stability and bearing capacity when further having strengthened the chair and being in the first gesture of deck chair or seat, prevent back, waist etc. position from leaning on second frame body unit 2 back, second frame body unit 2 atress and backward rotation, and exert the fore-and-above holding power to the rear portion of second frame body unit 2, make third support element 5 forward and direct to the support behind the atress of second frame body unit 2, the supporting effect is better. Of course, in other embodiments, the third supporting unit 5 may be disposed directly below or forwardly below the second frame unit 2, or a combination of several directions, so as to apply a supporting force or pulling force to the second frame unit 2 in a direction directly above or rearwardly above, and also to enhance the stability and weight bearing performance of the second frame unit 2 when the chair is in the first posture of the recliner or seat. In other embodiments, the lower end of the third supporting unit 5 may abut against the second supporting unit 4, and the same effect is achieved. In other embodiments, the third supporting member 51 may be rotatably connected to the first frame structure 11, and the third adjusting assembly 52 may be disposed on the second frame structure 21, with the same effect.

As shown in fig. 10, as the second embodiment of the present invention, the third supporting unit 5 includes a third supporting member 51 and a third adjusting component 52, wherein the upper end of the third supporting member 51 is respectively rotatably connected to the movable ends of the two frame structures 21, and the lower end of the third supporting member 51 is adjustably connected to the third adjusting component 52, so that the third supporting member 51 can rotate relative to the frame structure two 21 at the connection position with the frame structure two 21, and connect the lower end of the rotated third supporting member 51 to the third adjusting component 52 at the new position adjusted by the third adjusting component 52, thereby adjusting the supporting angle of the third supporting member 51 to the frame structure two 21, and further support the second on the frame structure two 21 against the first supporting unit 23 and the first supporting unit 11 against different opening angles between the units 13. The number of the third adjusting assemblies 52 is two, and the two third adjusting assemblies 52 are correspondingly arranged on the two first frame structures 11, so that the position of the lower end of the third supporting member 51 relative to the two first frame structures 11 can be adjusted. Of course, fixed connection structures such as welding and riveting can be adopted between the third adjusting assembly 52 and the frame body structure 11, connection stability is enhanced, and detachable connection structures such as a threaded structure, a screw and a buckle can also be adopted, so that assembly or replacement is facilitated. In addition, in other embodiments, the third adjusting assembly 52 may be disposed on the second supporting member 41 or the second reinforcing member 42, or on a combination of these components, with equal effect. In other embodiments, the third adjusting assembly 52 may not be provided, and the lower end of the third supporting member 51 may be directly adjustably connected to the first frame structure 11, or may be used for adjusting the position of the lower end of the third supporting member 51 relative to the two first frame structures 11.

As shown in fig. 12, as a second embodiment of the present invention, the third adjusting assembly 52 includes an adjusting member three 521, a plurality of adjusting passages three 522 are provided on the adjusting member three 521, each adjusting passage three 522 is provided to cooperate with the lower end of the third supporting member 51, for connecting, locking and supporting the lower end of the third supporting member 51, improving the stability of the third supporting unit 5 for supporting the second frame structure 21, meanwhile, the third adjustment channel 522 is matched with the rotation angle of the third rotation assembly 8, so that the spreading angle between the second abutting unit 23 on the second frame structure 21 and the first abutting unit 13 on the first frame structure 11 is locked at any angle of the third rotation assembly 8, and the third adjustment channel 522 corresponding to the lower end of the third support member 51 supported at an angle with the second frame structure 21 can be arranged on the third adjustment member 521, thereby realizing the support and locking of the second frame unit 2 under the condition of locking at each angle. Of course, in other embodiments, the third adjusting channel 522 may also be disposed to cooperate with only a partial rotation angle of the third rotating assembly 8, so that the third supporting unit 5 is only used for further supporting under the partial opening angle between the second abutting unit 23 on the second frame structure 21 and the first abutting unit 13 on the first frame structure 11, and the stability of the third supporting unit 5 for supporting the second frame structure 21 can also be improved.

As shown in fig. 12, as embodiment two of the present invention, the adjusting channel three 522 is set to have an upper end of an open slot-type structure, the third supporting member 51 includes three 511 supporting members and three 512 fastening members, wherein, the three 511 supporting members are provided with two, the upper ends of the three 511 supporting members are respectively rotatably connected to the two frame structures two 21 through three 513 fastening members, the lower ends of the three 511 supporting members are respectively connected to the three 512 fastening members near the two ends, the three 511 fastening members between the three 512 fastening members and the two ends of the three 511 fastening members are respectively connected to the three 512 fastening members for fastening with the slot-type structure, so as to support and lock the lower end of the third supporting member 51 in one of the adjusting channel three 522. In this embodiment, the groove-shaped structure is matched with the structure of the region between the end of the third adjusting member 512 and the position connected with the third support member 511, so as to enhance the stability of the third adjusting member 52 on supporting the lower end of the third support member 51, and the third support member 512 is integrally configured as a cylindrical rod structure, the groove-shaped structure is configured as a corresponding U-shaped groove structure, so that the third support member 512 can be conveniently clamped into the third adjusting passage 522 through the opening from various angles and directions, the operation is simple, the structure is simple, the production and processing are easy, of course, in other embodiments, the third support member 512 can only configure the structure of the region between the end and the position connected with the third support member 511 as a cylindrical structure, and the structure of the region between the positions connected with the two third support members 511 as other structures such as a square structure and a polygonal structure, so that the third support member 512 can be conveniently clamped into the third adjusting passage 522 through the opening from various angles and directions, or the third clamping piece 512 is arranged into a square structure, a polygonal structure and other structures matched with the groove-shaped structure, or is arranged into other structures not matched with the groove-shaped structure, and the lower end of the third supporting piece 51 can be supported and locked in one of the adjusting channels three 522. In this embodiment, the opening of the groove-shaped structure is formed by arranging the first engaging portion 523 and the second engaging portion 524 at an interval, the interval width between the first engaging portion 523 and the second engaging portion 524 is smaller than the width of the groove-shaped structure, and the first engaging portion 523 and the second engaging portion 524 are made of slightly elastic materials, so that after the end of the third engaging member 512 is inserted into the groove-shaped structure, the third engaging member 512 is firmly limited in the groove-shaped structure by the first engaging portion 523 and the second engaging portion 524 to prevent loosening, and the first engaging portion 523 slightly protrudes out of the inner side of the groove-shaped structure, the second engaging portion 524 relatively protrudes out of the inner side of the groove-shaped structure, that is, the end of the third engaging member 512 is mainly limited by the second engaging portion 524, so that when the second frame body structure 21 rotates along the direction of the head end 101 or the tail end 102 of the first frame body structure 11, that is, the third supporting member 51 is driven to move forward or backward relative to the third adjusting assembly 52, that is, the both ends of three joint spare 512 break away from respectively in a certain regulation passageway three 522 and extend the up end slip of a plurality of block portion 523 and block portion two 524, after frame body structure two 21 adjusts to required angle, push down frame body structure two 21 or third support piece 51, three joint spare 512 receives the force card promptly and inserts another regulation passageway three 522, the operation is simpler, it is more convenient to use, of course, in other embodiments, the opening of this channel type structure also can set to other structures that the width is less than the channel type structure width, also can firmly inject three joint spare 512 in this channel type structure, prevent to become flexible. When the third supporting unit 5 is not needed, the third clamping member 512 is only needed to be separated from the third adjusting member 521, and the third supporting unit 5 can be folded and collected behind the second frame body unit 2 by rotating the third hinge member 513 relative to the second frame body structure 21, so that the use of the multifunctional chair as a seat, a deck chair or a fitness equipment is not affected. Of course, the third supporting member 51 in this embodiment is made of metal material such as steel, iron, etc. to enhance the firmness of the structure, in other embodiments, the third supporting member 51 may also be made of metal material such as wood, plastic, etc. or other materials, or a combination of these materials, so as to make the chair more versatile. Of course, the third support unit 5 of the present embodiment can be used in other embodiments, so that the multifunctional exercise chair of other embodiments can also have the effect.

As shown in fig. 13-15, as a third embodiment of the present invention, a multifunctional body-building chair is disclosed, and the difference of the third embodiment with respect to the second embodiment is as follows: the third rotating assembly 8 includes a third connecting member 821 and a rotating shaft 822, wherein the third connecting member 821 is connected to the second frame structure 21, one end of the rotating shaft 822 is connected to the first frame structure 11, and the other end of the rotating shaft is rotatably connected to the third connecting member 821. In this embodiment, the structures of the ratchet arm 811, the ratchet 812, the ratchet shaft 813, the rotating arm 814, the check pawl 815, the check pawl shaft 816, the returning member 817 and the returning member 818 in the second embodiment are replaced by the connecting member iii 821 and the rotating shaft 822, so that the structure is simplified, and the production and the processing are facilitated. In this embodiment, the third 821 of connecting pieces can rotate 360 degrees in all directions relative to the third 822 of the rotating shaft, when the chair is in the first posture of the reclining chair or the seat, the second frame unit 2 can rotate along the head end 101 direction or the tail end 102 direction of the first frame unit 1 without obstacles, and the rotated angle and the rotated position are locked by the third supporting piece 5, so that the second frame unit 2 is fixed in the opening angle relative to the first frame unit 1, the opening angle range of the second frame structure 21 relative to the first frame structure 11 is increased, the operation is simple, the use range is wide, and the number of people using the chair is more. Of course, the fixed connection structures such as welding, riveting and the like can be adopted between the third connecting piece 821 and the second frame structure 21 and between the third rotating shaft 822 and the first frame structure 11, so that the connection stability is enhanced, and the detachable connection structures such as screws, buckles and the like can also be adopted, so that the assembly or the replacement is convenient. In addition, in other embodiments, the second frame structure 21 and the first frame structure 11 may be directly rotatably connected by a rotating shaft or other hinge structure, and the second frame unit 2 can be rotated 360 degrees relative to the head end 101 or the tail end 102 of the first frame unit 1 without any obstacle. In other embodiments, it is also possible to connect the third connecting member 821 with the first frame structure 11 and connect the third rotating shaft 822 with the second frame structure 21, with the same effect. Of course, the third rotating assembly 8 of this embodiment can be used in other embodiments, so that the multifunctional exercise chair of other embodiments can also have the effect.

As shown in fig. 16 to 18, as a fourth embodiment of the present invention, a multifunctional body-building chair is disclosed, and the fourth embodiment is different from the third embodiment in that: the first frame structure 11 is a split structure, and includes a first frame portion 111 and a second frame portion 112, wherein the second frame portion 112 and the first frame portion 111 are pivotally connected, and the second frame portion 112 can be rotated relative to the first frame portion 111, so as to change an angle formed between the first frame portion 111 and the second frame portion 112. In this embodiment, when the second frame portion 112 rotates relative to the first frame portion 111 to abut against the first frame portion 111, the second frame portion 112 can be folded and folded, so that on the basis of folding and folding the first support unit 3 and the positioning unit 9 of the chair in the third embodiment, the second frame portion 112 is also folded and folded, so that the multifunctional chair is completely folded and folded, the overall size of the chair is greatly reduced, and the chair is more convenient to store, package, carry or transport, when the second frame portion 112 rotates relative to the first frame portion 111 to the original state, the second frame portion 112 can be unfolded for use, of course, the pivot connecting piece between the first frame portion 111 and the second frame portion 112 is selected to be the pivot connecting piece which can enable the second frame portion 112 to rotate and fold relative to the first frame portion 111 and can form the upward convex arc structure of the first frame portion 11 when unfolded for use, the pivot connecting piece in this embodiment is selected to be the first pivot structure 113, the first pivoting structure 113 includes a frame portion three 115 and two first pivoting connectors 114 hinged to two ends of the frame portion three 115, so that the frame portion one 111 and the frame portion two 112 can be respectively hinged to the two first pivoting connectors 114 and can be folded and folded with respect to two ends of the frame portion three 115, compared with the case where the frame portion one 111 and the frame portion two 112 are pivotally connected by only one first pivoting connector 114, the present embodiment can make the folded and folded chair structure more compact, and avoid the situations of collision, unsmooth folding and the like of the first frame unit 1 in the folding and folding process due to the influence of the structure of the first frame unit, and the frame portion three 115 is configured into the shape of the frame portion one 11, so that the frame portion one 11 with the foldable and folding effect still maintains the upward convex arc shape of the frame portion one 11, and has the same use effect as the frame portion one 11 for the first posture of the reclining chair or the first chair and the second posture of the fitness equipment, of course, in other embodiments, the frame portion three 115 may also be configured to have a downward convex arc shape or a straight rod shape different from the frame structure one 11, so as to avoid the first frame unit 1 from being interfered by its own structure and being pushed or folded unsmoothly in the folding process. In this embodiment, the frame body portion two 112 can be folded and folded under the frame body portion one 111, because the frame body structure one 11 is configured to be an upward convex arc structure, the folded and folded chair structure is more compact, and can prevent the damage caused by collision in the processes of storage, packaging, carrying or transportation, meanwhile, because the frame body structure two 21 can rotate 360 degrees relative to the frame body structure one 11 without obstacles, the second frame body unit 2 and the third support unit 5 can also be folded and folded under the frame body portion one 111, further reducing the overall size of the chair, and because the transverse support structure one 12 and the transverse support structure two 22 are arranged at intervals, the transverse support structure one 12 and the transverse support structure two 22 can be staggered and placed, further making the folded and folded chair structure more compact, reducing the overall size of the chair again, and being more convenient to store in, For packaging, carrying or transporting, it is understood that in other embodiments, the first frame portion 111 and the second frame portion 112 may be connected by only one pivot connection member 114, and the second frame portion 112 may be folded under the first frame portion 111. In other embodiments, the second frame portion 112, the second frame unit 2 and the third supporting unit 5 may be folded over the first frame portion 111, so as to reduce the overall volume of the chair, and facilitate storage, packaging, carrying or transportation. In this embodiment, only one pivoting structure one 113 is provided, so that the whole frame structure one 11 can be folded and folded, in other embodiments, two, three or more pivoting structures one 113 can be provided on the frame structure one 11, so that the frame structure one 11 has a folding effect of three, four or more folds, in other embodiments, the frame part one 111 and the frame part two 112 can also be connected by a telescopic structure, the whole volume of the chair can be reduced by shortening the whole length of the frame structure one 11, and the chair is more convenient to store, package, carry or transport. Of course, the frame structure one 11 in this embodiment can be used in other embodiments, so that the multifunctional exercise chair in other embodiments can also have this effect, the chair provided with the frame structure one 11, the third rotating assembly 8 can be connected with any one or a combination of several of the frame parts one 111, two 112, one 113 or the second support 41, and the second frame unit 2 can be connected with the first frame unit 1 in a rotating manner, so that the chair has two using states, namely, the first posture for a deck chair or a chair and the second posture for exercise equipment.

As shown in fig. 19 to 20, as a fifth embodiment of the present invention, a multifunctional body-building chair is disclosed, and the difference between the fifth embodiment and the first embodiment is: the first frame structure 11 is provided with the first pivot structure 113 in the fourth embodiment, and since the rotation angle between the ratchet arm 811 and the rotating arm 814 has a certain range limitation, the second frame unit 2 and the third support unit 5 can be folded and collected above the first frame part 111, and the overall size of the chair can be reduced on the basis of the first embodiment, so that the chair is convenient to store, package, carry or transport.

As shown in fig. 21-23, a multifunctional body-building chair is disclosed as a sixth embodiment of the present invention, and the first difference of the sixth embodiment with respect to the fourth embodiment is: the third supporting unit 5 includes an upper third supporting member 531 and a lower third supporting member 532, wherein an upper end of the upper third supporting member 531 is rotatably connected with the second shelf structure 21, an upper end of the lower third supporting member 532 is cooperatively connected with the upper third supporting member 531, and a lower end of the lower third supporting member 532 is detachably connected with the first shelf structure 11. The upper third support member 531 and the lower third support member 532 in this embodiment replace the third support member 51 and the third adjusting assembly 52 in the fourth embodiment, the support of the second rack structure 21 at each angle can also be realized through the structural matching between the upper third support member 531 and the lower third support member 532, in other embodiments, the lower end of the lower third support member 532 can also be movably connected with the first rack structure 11 through an adjustable structure, and the support of the second rack structure 21 at each angle is realized through the adjustable structure or the matching structure combining the upper third support member 531 and the lower third support member 532. Of course, in other embodiments, the lower end of the lower third supporting member 532 may be connected to the second supporting unit 4, and the same effect can be achieved. In this embodiment, the upper third supporting member 531 and the lower third supporting member 532 are configured to be telescopic structures, when the height of the second rack unit 2 relative to the installation end surface such as the ground or the angle relative to the first abutting unit 13 needs to be adjusted, the connecting end third 5321 is gradually contracted and hidden in the installation channel third 5311, that is, the height of the second rack unit 2 relative to the installation section such as the ground is reduced, the angle of the second rack unit 2 relative to the first abutting unit 13 is increased, when the lower third supporting member 532 is gradually extended and expanded relative to the upper third supporting member 532, the height of the second rack unit 2 relative to the installation end surface such as the ground is increased, the angle of the second rack unit 2 relative to the first abutting unit 13 is decreased, and the operation is simple and the use is convenient Other adjustable structures such as a buckle structure are matched and connected with each other, and the overall length of the upper third support member 531 and the lower third support member 532 can be changed to support the second frame structure 21 at each angle. Of course, the upper third supporting member 531 and the lower third supporting member 532 in this embodiment are made of metal materials such as steel and iron, which enhances the firmness of the structure, and in other embodiments, the upper third supporting member 531 and the lower third supporting member 532 may also be made of metal materials such as wood and plastic, or other materials, or a combination of these materials, which makes the chair more versatile. Of course, the third support unit 5 of the present embodiment can be used in other embodiments, so that the multifunctional exercise chair of other embodiments can also have the effect.

As shown in fig. 21, the second difference of the sixth embodiment from the fourth embodiment is that: the first supporting pieces 31 are arranged to be of rod-shaped structures, the upper ends of the two first supporting pieces 31 are connected with the first connecting positions 103 on the first frame body structure 11 on the same side respectively, and the lower ends of the two first supporting pieces are used for being abutted against the mounting end faces of mounting media such as floors, ground mats, sand stones, indoor or outdoor various platforms and the like, so that sectional materials needed by the first supporting units 31 are greatly saved, the cost is saved, the overall weight of the chair is reduced, and the chair is convenient to use and carry. And the first supporting member 31 is rotatably connected with the first frame structure 11 through the first rotating assembly 6, so that the whole first supporting member 31 can rotate relative to the first frame structure 11, on one hand, the angle between the first supporting member 31 and the first frame structure 11 and the height of the whole chair can be changed by adjusting the relative angle between the first supporting member 31 and the first frame structure 11, so as to change the supporting direction of the first supporting member 31 to the first frame structure 11, thereby forming different supporting structures, and simultaneously, the positioning unit 9 moves along with the first supporting member, so that the angle when the chair is used as a foot pad or a presser foot is different, thereby enabling the chair to have richer use states, on the other hand, after the first supporting member 31 is rotated to abut against the first frame structure 11, the first supporting unit 3 can be folded, thereby reducing the size of the whole chair, facilitating storage, Packaging, carrying and transporting. The first rotating assembly 6 comprises a first connecting piece 61, a first rotating shaft 62 and a first limiting piece 63, wherein one end of the first connecting piece 61 is connected with a first connecting position 103 on the first frame structure 11, the other end of the first connecting piece is hinged to the first supporting piece 31 through the first rotating shaft 62, so that the first supporting piece 31 can rotate relative to the first connecting position 103 on the first frame structure 11, the first rotating shaft 62 is arranged in a direction perpendicular to the first frame structure 11, the first limiting piece 63 is arranged in the front of the first connecting piece 61, so that the rotating tracks of the two first supporting pieces 31 are limited in the parallel direction of the first frame structure 11, and the instability of the whole chair caused by the inconsistency of the rotating angles and the rotating directions of the two first supporting pieces 31 is prevented. In this embodiment, when the first support unit 3 is rotated forward relative to the first frame unit 1 until the front end of the first support member 31 abuts against the first limit member 63, that is, the first support unit 3 is unfolded under the driving of the first support member 31, at this time, the chair can be stably placed on the installation end surfaces such as the ground for use, when the first support unit 3 is rotated backward relative to the first frame unit 1 until the first support unit 3 abuts against the first frame unit 1, that is, the first support unit 3 is folded under the driving of the first support member 31, at this time, the overall volume of the chair is reduced, which is convenient for storage, packaging, carrying or transportation, and of course, in other embodiments, a locking member can be further provided to lock the first support member 31 at any angle of rotation relative to the first support member 61, so as to integrally fix the first support member 31 and the first frame unit 1 at different angles and positions, the foot pad or the presser foot used for different angles and positions enables the chair to have richer use states. In other embodiments, the first rotating assembly 6 may also be configured as other connecting structures such as a hinge, which can rotate the first supporting member 31 relative to the first frame structure 11, and can also switch the first frame unit 1 between the unfolded state and the folded state, so as to facilitate use, storage, packaging, carrying or transportation. Of course, the first rotating assembly 6 of the present embodiment can be used in other embodiments, so that the multifunctional exercise chair of other embodiments can also have the effect.

As shown in fig. 21, the third difference of the sixth embodiment from the fourth embodiment is that: the upper end of the second supporting portion 312 is connected with the lower portion of the first supporting portion 311 in a matched manner, the lower end face of the second supporting portion is abutted against the installation end faces of installation media such as floors, ground mats, sand and stones, indoor or outdoor platforms and the like, the total length of the first supporting portion 311 and the second supporting portion 312 is changed, and the height between the installation end faces of the first connecting position 103 on the first frame body structure 11 relative to the ground and the like can be changed. In this embodiment, the first supporting portion 311 and the second supporting portion 312 connected by the second pivot connection structure 313 in the fourth embodiment are replaced by the first supporting portion 311 and the second supporting portion 312 which are mutually matched and connected by their own structures, and through the structural matching between the second supporting portion 312 and the first supporting portion 311, the first supporting portion 31 supports the first connection position 103 of the first frame structure 11 and can fold the first supporting portion 31 on the basis below the first frame structure 11 through the first rotating assembly 6, and the length of the first supporting portion 31 can be adjusted, so that the height of the whole chair can be adjusted, and the chair has a richer use state, and a wider application range. In this embodiment, the second supporting portion 312 and the first supporting portion 311 are arranged to be of a telescopic structure, and the overall height of the chair can be adjusted by changing the overall length of the second supporting portion 312 and the first supporting portion 311, which is simple to operate and convenient to use, and of course, in other embodiments, the first supporting portion 311 and the second supporting portion 312 may be connected by matching with each other by adopting other adjustable structures such as a sliding rail structure and a buckle structure, and the overall height of the chair can also be adjusted by changing the overall length of the first supporting portion 311 and the second supporting portion 312. In addition, the lengths of the first supporting portion 311 and the second supporting portion 312 in this embodiment are substantially the same, and the two positioning connectors 91 are respectively disposed between the two first supporting portions 311 and between the two second supporting portions 312, so that the length of the contracted second supporting portion 312 coinciding with the first supporting portion 311 is longer, the total length of the expanded second supporting portion 312 coinciding with the first supporting portion 311 is longer, and further the height adjustment range of the first supporting member 31 to the whole chair is larger, and at the same time, the interval between the two positioning connectors 91 is also larger or smaller, which can be adapted to the placement or positioning of feet, lower legs and other parts with different intervals, of course, in other embodiments, the lengths of the first supporting portion 311 and the second supporting portion 312 may also be set to have a larger difference, the two positioning connectors 91 may also be disposed only on the first supporting portion 311 or only on the second supporting portion 312, the height of the entire chair can be adjusted by changing the total length of the first support part 311 and the second support part 312. In other embodiments, the first supporting member 31 may also be provided as an integral structure to enhance the stability of the first supporting unit 3, and the structure is simple, so that the production and processing are convenient, and the height of the whole chair can be properly adjusted only by rotating the first rotating assembly 6 relative to the frame structure one 11. Of course, in the present embodiment, the first supporting portion 311 and the second supporting portion 312 are made of metal materials such as steel and iron, which enhances the firmness of the structure, in other embodiments, the first supporting portion 311 and the second supporting portion 312 may also be made of metal materials such as wood and plastic, or other materials, or a combination of these materials, which makes the chair more versatile. Of course, the first support 31 of the present embodiment can be used in other embodiments, so that the multifunctional exercise chair of other embodiments can also have the effect.

As shown in fig. 21, the difference between the sixth embodiment and the fourth embodiment is that: the second supporting members 41 are arranged in a rod-shaped structure, the upper ends of the two second supporting members 41 are respectively connected with the tail end 102 of the first frame body structure 11 on the same side, and the lower ends of the two second supporting members are used for abutting against the mounting end surfaces such as the ground, so that the required section bars of the second supporting unit 4 are greatly saved, the cost is saved, the overall weight of the chair is reduced, and the use and the carrying are convenient. And second support 41 sets up to rotatable coupling through second rotating assembly 7 and frame structure 11, on the one hand, the accessible is adjusted the relative angle between second support 41 and frame structure 11, thereby change the angle between second support 41 and the installation terminal surfaces such as ground and the holistic height of chair, and then change second support 41 to frame structure 11's support direction, form different bearing structure, make the chair have abundanter user state, on the other hand, rotate second support 41 to the back that leans on with frame structure 11, still can fold second support 41 alone and close up, thereby provide more folding ways for the chair. The second rotating assembly 7 includes a second connecting member 71, a second rotating shaft 72 and a second limiting member 73, wherein one end of the second connecting member 71 is hinged to the first frame structure 11 through the second rotating shaft 72, and the other end of the second connecting member is hinged to the second supporting member 41 through the second rotating shaft 72 arranged at an interval, so that the second supporting member 41 can rotate relative to the connecting position on the first frame structure 11, the second rotating shaft 72 is arranged perpendicular to the first frame structure 11, the second limiting member 73 is arranged on the upper portion of the second connecting member 71, so that the rotating tracks of the two second supporting members 41 are limited in the parallel direction of the first frame structure 11, and the instability of the whole chair caused by the inconsistency of the rotating angles and directions of the two second supporting members 41 is prevented. In this embodiment, when the second support unit 4 is rotated backward relative to the first frame unit 1 until the top end of the second support member 41 abuts against the second limit member 73, that is, the second support unit 4 is unfolded under the driving of the second support member 41, at this time, the chair can be stably placed on the installation end surfaces such as the ground for use, when the second support unit 4 is rotated forward relative to the first frame unit 1 until the second support unit abuts against the first frame unit 1, that is, the second support unit 4 is folded under the driving of the second support member 41, at this time, the overall volume of the chair is reduced, which is convenient for storage, packaging, carrying or transportation, and of course, in other embodiments, a locking member can be further provided to lock the second support member 41 at any angle relative to the second connecting member 71, so as to integrally fix the second support member 41 and the first frame unit 1 at different angles and positions, the chair is used for supporting at different angles and positions, so that the chair has richer use states. In other embodiments, the second rotating assembly 7 may also be configured as other connecting structures such as a hinge, which can rotate the second supporting member 41 relative to the first frame structure 11, and can also switch the second supporting unit 4 between the unfolded state and the folded state, so as to facilitate use, storage, packaging, carrying or transportation. In addition, the structure of the second rotating component 7 in the embodiment can also be adopted by the first pivot connecting element 114 in the fourth embodiment or the second pivot connecting element 313 in the sixth embodiment. Of course, the second rotating assembly 7 of the present embodiment can be used in other embodiments, so that the multifunctional exercise chair of other embodiments can also have the effect.

As shown in fig. 21, the fifth difference of the sixth embodiment from the fourth embodiment is that: second support 41 sets up into the body structure, including third supporting part 411 and fourth supporting part 412, wherein, the upper end of fourth supporting part 412 is connected with the lower part of third supporting part 411 mutually supporting, and the lower terminal surface supports on leaning on with the mounting surface of mounting medium such as floor, ground mat, gravel and various indoor or outdoor platforms, changes the overall length of third supporting part 411 and fourth supporting part 412, can change the rear end of frame body structure 11 for the height between the mounting surface such as ground. In this embodiment, the second supporting member 41 with an integrated structure in the fourth embodiment is replaced with the second supporting member 41 with a split structure including the third supporting portion 411 and the fourth supporting portion 412, and through the structural cooperation between the fourth supporting portion 412 and the third supporting portion 411, on the basis that the second supporting member 41 supports the rear end of the first frame structure 11, the length of the second supporting member 41 can be adjusted, so as to adjust the height of the rear end of the chair, so that the chair has a richer use state, and the application range is wider. In this embodiment, the fourth supporting portion 412 and the third supporting portion 411 are arranged to be retractable structures, and the height of the rear end of the chair can be adjusted by changing the total length of the fourth supporting portion 412 and the third supporting portion 411, so that the operation is simple, the use is convenient, of course, in other embodiments, other adjustable structures such as a sliding rail structure and a buckle structure can be adopted between the third supporting portion 411 and the fourth supporting portion 412 to be mutually matched and connected, and the height of the rear end of the chair can be adjusted by changing the total length of the third supporting portion 411 and the fourth supporting portion 412. In addition, the second reinforcing member 42 in this embodiment is disposed between the ends of the two fourth supporting portions 412, so as to increase the contact area between the second supporting unit 4 and the installation end surfaces such as the ground, and improve the stability of the chair when being placed, in addition, the second reinforcing member 42 also connects the second supporting members 41 on both sides into a whole, so as to facilitate the folding or stretching of the second supporting unit 4 integrally relative to the first frame body unit 1, of course, in other embodiments, the second reinforcing member 42 may also be disposed between other positions of the two fourth supporting portions 412 or between the two third supporting portions 411, so as to enhance the stability and the load-bearing performance of the structure of the second supporting unit 4. Of course, in this embodiment, the third supporting portion 411 and the fourth supporting portion 412 are made of metal materials such as steel and iron, etc. to enhance the firmness of the structure, in other embodiments, the third supporting portion 411 and the fourth supporting portion 412 may also be made of metal materials such as wood and plastic, etc. or other materials, or a combination of these materials, so as to make the chair more versatile. Of course, the second support member 41 of this embodiment can be used in other embodiments, so that the multifunctional exercise chair of other embodiments can also have the effect.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. A multi-functional resistance chair, comprising:

a first frame unit having a head end and a tail end;

2. The multifunctional exercise chair of claim 1, wherein: first support body unit is including the support body structure that is parallel arrangement one for first installation and the support that leans on the unit.

3. The multifunctional exercise chair of claim 1, wherein: first support body unit is including the first and horizontal bearing structure one that are parallel arrangement, horizontal bearing structure one is the interval and sets up support body structure is last, support body structure one and horizontal bearing structure one are used for first installation and the support of leaning on the unit.

4. The multifunctional exercise chair of claim 3, wherein: the first frame body structure is arranged as an integral structure.

5. The multifunctional body-building chair of claim 3, wherein the first frame structure is a split structure comprising:

a first frame part;

6. The multifunctional exercise chair of claim 5, wherein: but support body portion two through pivot structure one with but support body portion one pivotal connection, pivot structure one includes support body portion three and articulates two pivot joint spare one at three both ends of support body portion, support body portion one and support body portion two are articulated with two pivot joint spare one respectively to fold respectively for the both ends of support body portion three.

7. The multifunctional exercise chair of any one of claims 4-6, wherein: the second support body unit is connected with the first support body unit through a third rotating assembly and used for adjusting the position of the first posture and/or the position of the second posture of the second support body unit relative to the first support body unit and/or locking the second support body unit when the second support body unit is located at the first posture and/or the second posture, and the second support body unit is matched with the tail end of the first support body unit in shape.

8. The multifunctional exercise chair of claim 7, wherein: the second posture is formed when the second frame unit moves along the tail end direction of the first frame unit through the rotation of the third rotating assembly and is overlapped with the tail end of the first frame unit;

the first posture is formed when the second frame unit moves to an angle with the first frame unit along any direction of the head end or the tail end of the first frame unit through the rotation of the third rotating assembly.

9. The multifunctional exercise chair of claim 8, wherein: the second support body unit comprises a support body structure II which is arranged in parallel, and is used for the second support to lean against the installation and the support of the unit.

10. The multifunctional exercise chair of claim 8, wherein: the second support body unit comprises a second support body structure and a second transverse supporting structure which are arranged in parallel, the second transverse supporting structure is arranged on the second support body structure at intervals, and the second support body structure and the second transverse supporting structure are used for installation and support of the second support unit.

11. The multi-function exercise chair of claim 10, wherein the third rotation assembly comprises:

the non-return pawl is hinged with the rotating arm through a non-return pawl shaft, is arranged corresponding to the ratchet wheel and is used for preventing the ratchet wheel from rotating;

the resetting piece is sleeved on the ratchet shaft, one end of the resetting piece is provided with an arc-shaped gap structure, the ratchet is provided with an arc-shaped bulge structure corresponding to the arc-shaped gap structure, and the other end of the resetting piece is provided with a lug structure corresponding to the non-return pawl and used for driving the non-return pawl to leave the ratchet;

and the resetting piece is used for resetting the check pawl.

12. The multi-function exercise chair of claim 10, wherein the third rotation assembly comprises:

the third connecting piece is connected with the second frame structure;

and one end of the rotating shaft III is connected with the frame body structure I, the other end of the rotating shaft III is connected with the connecting piece III, and the connecting piece III can rotate in all directions in 360 degrees relative to the rotating shaft III.

13. The multifunctional exercise chair of claim 12, wherein: still including being used for supporting the third supporting unit of second support body unit, the third supporting unit sets up the back below of second support body unit, the lower extreme of third supporting unit supports with first support body unit and/or second supporting unit and leans on.

14. The multifunctional exercise chair of claim 13, wherein the third support unit comprises:

the upper ends of the two support pieces III are respectively and rotatably connected with the two frame body structures II through hinge pieces III, and the lower ends of the two support pieces III are respectively connected to the positions, close to the two end parts, on the clamping piece III;

and/or a third adjusting component, the third adjusting component is provided with two, two the third adjusting component is correspondingly arranged on the first two frame structures, and is used for adjusting the position of the third supporting piece relative to the first frame unit, and the third adjusting component is arranged on the first frame unit and/or the second supporting unit.

15. The multifunctional exercise chair of claim 14, wherein the third adjusting assembly comprises a third adjusting member, the third adjusting member is provided with a plurality of third adjusting channels, and the third adjusting channels are matched with the lower end of the third supporting member for supporting the lower end of the third supporting member.

16. The multifunctional body-building chair of claim 15, wherein the third adjusting channel is configured as a groove structure with an open upper end for the lower end of the third supporting member to abut against, and the third connecting portion between the third supporting member and the third connecting portion and the two ends of the third connecting portion is used for connecting with the groove structure, so as to support and lock the lower end of the third supporting member in one of the third adjusting channels.

17. The multifunctional exercise chair of claim 13, wherein the third support unit comprises:

18. The multifunctional exercise chair of claim 17, wherein: the upper third supporting piece and the lower third supporting piece are oppositely arranged into a telescopic structure.

19. The multifunctional exercise chair of claim 1, wherein: the first connecting position is close to the head end of the first frame body unit and/or is overlapped with the head end of the first frame body unit.

20. The multifunctional exercise chair of claim 10, wherein: the first supporting unit is arranged to be at least one, the first supporting unit and the installation end face are arranged in an angle mode, and the upper end of the first supporting unit is arranged in a backward inclining mode.

21. The multifunctional exercise chair of claim 20, wherein: the first support unit comprises at least two first support pieces which are arranged in parallel, the upper ends of the first support pieces are connected with the first connecting position of the first frame body unit, and the lower ends of the first support pieces are used for abutting against the mounting end face of a mounting medium.

22. The multifunctional exercise chair of claim 21, wherein: the first support member is provided as an integral structure.

23. The multifunctional exercise chair of claim 21, wherein the first support is provided as a split structure comprising:

the lower end of the first supporting part is arranged close to the first connecting position;

the second supporting part, but with first supporting part pivot connection, change the angle that forms between first supporting part is supported to first supporting part and second, first supporting part supports with the second and expandes and fold the condition's regulation, the relative first supporting part of second supporting part rotates when leaning on with the below counterbalance of support body portion one, can with the folding receipts of second supporting part are closed, the relative first supporting part of second supporting part rotates when to original state, can with the second supporting part expandes, the link of first supporting part and second supporting part still is provided with the location arch, and the link correspondence of second supporting part is provided with positioning groove for the location after the second supporting part expandes.

24. The multifunctional exercise chair of claim 21, wherein: the first support piece is arranged into a split structure and comprises:

a first support section;

and the second supporting part is arranged at the lower part of the first supporting part, and the height position between the first frame body unit and the mounting end surface of the mounting medium is changed by changing the relative length between the first supporting part and the second supporting part.

25. The multifunctional exercise chair of claim 24, wherein: the first supporting part and the second supporting part are oppositely arranged to be a telescopic structure.

26. The multifunctional exercise chair of any one of claims 20-25, wherein: the first support unit is rotatably connected with the first frame body unit through a first rotating assembly.

27. The multifunctional exercise chair of claim 26, wherein: the first rotating assembly includes:

the first connecting piece is connected with the first frame body structure;

one end of the first rotating shaft is connected with the first supporting piece, the other end of the first rotating shaft is connected with the first connecting piece, and the first rotating shaft is arranged in a direction perpendicular to the first frame body structure;

the first limiting part is arranged in the front of the first connecting part and can be opposite to the first support body unit, the first support unit is rotated forwards to be abutted against the first limiting part to be unfolded, and the first support unit is rotated backwards to be abutted against the first support body unit to be folded.

28. The multifunctional exercise chair of claim 26, wherein: the multifunctional fitness chair further comprises a positioning unit arranged on the first supporting unit, and when the multifunctional fitness chair is in the second posture, the positioning unit is used for placing and/or positioning feet or legs of a human body.

29. The multifunctional exercise chair of claim 28, wherein the positioning unit comprises:

30. The multifunctional exercise chair of claim 29, wherein: the positioning adjustment member is provided as a flexible structure.

31. The multifunctional exercise chair of claim 10, wherein: the number of the second supporting units is at least one, the second supporting units and the installation end face are arranged at an angle, and the upper ends of the second supporting units are arranged in a forward inclining mode.

32. The multifunctional exercise chair of claim 31, wherein: the second support unit comprises at least two second support pieces which are arranged in parallel, the upper ends of the second support pieces are connected with the first frame body unit, the lower ends of the second support pieces are used for being abutted to the installation end face for placing a medium, and the second support pieces are respectively positioned on the same plane with the first frame body structure on the same side.

33. The multifunctional exercise chair of claim 32, wherein: the second support member is provided as an integral structure.

34. The multifunctional exercise chair of claim 32, wherein the second support member is provided as a split structure comprising:

a third support portion;

35. The multifunctional exercise chair of claim 32, wherein: the second support piece is arranged into a split structure and comprises:

a third support portion;

and the fourth supporting part is arranged at the lower part of the third supporting part, and the height position between the first frame body unit and the mounting end surface of the mounting medium is changed by changing the relative length between the third supporting part and the fourth supporting part.

36. The multifunctional exercise chair of claim 35, wherein: the third supporting part and the fourth supporting part are oppositely arranged to be a telescopic structure.

37. The multifunctional exercise chair of any one of claims 31-36, wherein: the second support unit is rotatably connected with the first frame body unit through a second rotating assembly.

38. The multifunctional exercise chair of claim 37, wherein: the second rotating assembly includes:

one end of the second rotating shaft is connected with the first frame structure, the other end of the second rotating shaft is connected with the second connecting piece, and the second rotating shaft is arranged in a direction perpendicular to the first frame structure;

and the second limiting part is arranged on the upper part of the second connecting part, can rotate the second supporting unit backwards relative to the first support body unit, abuts against the second limiting part and the second supporting unit to be unfolded, and rotates the second supporting unit forwards relative to the first support body unit to abut against the first support body unit to be folded.

39. The multifunctional exercise chair of any one of claims 32-36, wherein: the second support unit further includes at least one second reinforcement member disposed between the second support members to reinforce the second support unit.

40. The multifunctional exercise chair of claim 10, wherein: still include handrail structure, handrail structure sets up at the head end of first support body unit, and the cover is established the outside of the head end of support body structure one for grip.

41. The multifunctional exercise chair of claim 40, wherein: the handrail structure is connected with the first frame body unit in a rotating mode.

42. The multifunctional exercise chair of claim 10, wherein: the first abutting unit comprises a first abutting structure for the human body to sit or lie, and the first abutting structure is formed by extending from a position close to and/or a first connecting position along the direction close to the tail end of the first frame body unit.

43. The multifunctional exercise chair of claim 42, wherein: the first abutting structure is connected with the first frame structure through the end part and/or the whole of the first abutting structure wrapping the first frame structure.

44. The multifunctional exercise chair of claim 42, wherein: the first abutting structure is connected with the first frame body structure through a first connecting assembly, and the first connecting assembly is arranged into a buckling structure and/or a hook structure and/or a pasting structure.

45. The multifunctional body-building chair of claim 10, wherein the second leaning unit comprises a second leaning structure for human body to sit or lie, the second leaning structure is arranged on the second frame unit and is formed by extending from one end close to the second frame unit along the direction close to the other end of the first frame unit.

46. The multifunctional exercise chair of claim 45, wherein: the second abutting structure is connected with the second frame structure by wrapping the second frame structure by the end part and/or the whole of the second abutting structure.

47. The multifunctional exercise chair of claim 45, wherein: the second support structure is connected with the second frame body structure through a second connecting assembly, and the second connecting assembly is arranged into a buckling structure and/or a hook structure and/or a pasting structure.

48. A multifunctional exercise chair according to any of claims 42-47, wherein: the first and/or second abutment structure is/are provided as a cloth structure and/or a leather structure and/or a bamboo structure and/or a rattan structure and/or a plastic structure and/or a wood structure.

49. The multifunctional exercise chair of any one of claims 2-6, wherein: the first frame body structure is arranged to be an upper convex arc-shaped structure.