CN213962569U - Convenient lower seat type office chair - Google Patents

Abstract

The utility model belongs to the technical field of office chairs, in particular to a convenient lower seat type office chair, which comprises a cushion mechanism, a supporting mechanism and a rotary damping mechanism, and comprises an elevating mechanism and a moving mechanism, wherein the elevating mechanism is arranged on the moving mechanism, the output end of the elevating mechanism is connected with the bottom drive of the cushion mechanism, the damping rotating mechanism comprises a rotary connecting frame and a rotating shaft, the rotating shaft is fixedly arranged at the output end of the elevating mechanism, the rotary connecting frame is connected on the rotating shaft in a damping rotating manner, and the upper end of the rotary connecting frame is fixedly connected with the bottom of the cushion mechanism; the swivelling joint frame is located the bottom that the cushion mechanism is close to user's knee position, swivelling joint frame be close to user's knee the tip with pivot damping rotates to be connected, adopts damping rotary mechanism to realize that the human body is from sitting down to one side upright state, and the effectual seat degree of difficulty that reduces has greatly improved this office chair's practicality, is favorable to the enterprise development.

Description

Convenient lower seat type office chair

Technical Field

The utility model belongs to the technical field of the office chair, especially, relate to a convenient lower seat formula office chair.

Background

Office chairs refer to various chairs which are convenient to work in daily work and social activities, office partners divide the office chairs into a narrow meaning and a broad meaning, the narrow office chair refers to a backrest chair on which a person sits when working on a table top in a sitting posture, and the broad office chair refers to all chairs used in offices, including executive chairs, middle class chairs, guest chairs, employee chairs, conference chairs, visitor chairs, training chairs and the like.

The handrail in traditional office chair mostly all adopts fixed knot to construct the setting, can't adjust the crowd different with the adaptation size, the shoulder of the user of different physiques is not of uniform length to the joint position of forearm, whether the high influence user between handrail to the cushion can be taken the forearm comfortably and put on the handrail, because most handrails among the prior art all adopt fixed structure, the crowd of the different physiques of unable adaptation, therefore the practicality is low, more and more can't satisfy consumer's demand, be unfavorable for enterprise development.

Simultaneously, most users are convenient, all can select directly to have a rest on office chair to take the headrest so that the head relaxs, but the back that finishes of having a rest, the headrest generally can only be laid in office chair cushion rear side, namely user's waist position, such setting headrest drops easily, makes dirty, and simultaneously, the back receives the headrest influence and reduces user's use and experiences, is unfavorable for enterprise's development.

And when sitting too long time on office chair, for example noon break, take a long time meeting, use computer etc. the leg can become sour soft, and the relatively poor user of health quality even stands up inconveniently, and office chair's among the prior art cushion is mostly the level setting, and unable regulation leads to keeping the position of sitting and the relatively poor user of health quality difficulty of sitting down for a long time, and the practicality is low, is unfavorable for enterprise's development.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient lower seat office chair aims at solving the fixed horizontal cushion of office chair among the prior art and leads to the user difficulty of sitting down, the low technical problem of practicality.

In order to achieve the above purpose, an embodiment of the utility model provides a convenient lower seat type office chair, which comprises a cushion mechanism, a supporting mechanism and a rotary damping mechanism, wherein the cushion mechanism is used for bearing a user; the supporting mechanism is used for supporting the cushion mechanism and comprises a lifting mechanism and a moving mechanism, the lifting mechanism is arranged on the moving mechanism, the output end of the lifting mechanism is in driving connection with the bottom of the cushion mechanism, the moving mechanism is used for driving the whole convenient lower seat type office chair to move along the ground, the damping rotating mechanism comprises a rotating connecting frame and a rotating shaft, the rotating shaft is fixedly arranged at the output end of the lifting mechanism, the rotating connecting frame is in damping rotating connection with the rotating shaft, and the upper end of the rotating connecting frame is fixedly connected with the bottom of the cushion mechanism; the rotary connecting frame is positioned at the bottom of the position, close to the knees of a user, of the cushion mechanism, and the end part, close to the knees of the user, of the rotary connecting frame is connected with the rotating shaft in a damping rotating mode.

Optionally, the convenient lower-seat office chair further comprises a headrest mechanism and an armrest mechanism, the headrest mechanism comprises a body and a connecting assembly, the body is provided with an opening cavity, the connecting assembly is arranged on the body, a crease structure is formed in the middle of the body, the body can be folded into a pillow-shaped structure through the crease structure, and the connecting assembly is used for locking two ends of the body to maintain the body in the pillow-shaped structure; the armrest mechanism is arranged on the cushion mechanism and is used for supporting the hand of a user; the cushion mechanism includes waist supporting pad and buttock supporting pad, the buttock supporting pad with the end fixed connection of waist supporting pad, the waist supporting pad is vertical state setting, the buttock supporting pad is the horizontality setting, the body can pass through opening die cavity detachably cover is established the top of waist supporting pad, swivelling joint frame with the bottom fixed connection of buttock supporting pad.

Optionally, the armrest mechanism comprises a connecting seat, a supporting seat and a deflection piece, one end of the connecting seat is fixedly connected with the edge of the cushion mechanism, a vertically arranged slot is arranged at the upper end of the connecting seat, a plurality of tooth sockets are arranged on the inner wall of the slot in parallel along the length direction of the slot, the supporting seat is provided with an opening cavity for slidably connecting the upper end of the connecting seat and is used for abutting against the forearm part of a user, the middle position of the deflection piece is rotatably connected to the supporting seat and is positioned in the opening cavity, a free end of the deflection piece extends into the slot and is provided with a hook capable of being matched with the tooth socket in a clamping manner, one end of the hook far away from the tooth socket is provided with a spring sheet for driving the hook to move towards the tooth socket, the upper end of the supporting seat is provided with an opening, and the opening is movably connected with a switch, the other free end of the deflection part is fixedly connected with the switch.

Optionally, the connecting seat includes connecting portion and joint portion, connecting portion with buttock supporting pad fixed connection, joint portion sets up the upper end of connecting portion, the draw-in groove shaping in the joint portion, joint portion with the hookup location of connecting portion is the bending structure setting.

Optionally, the moving mechanism includes a center seat, connecting support legs and pulleys, the number of the connecting support legs and the number of the pulleys are multiple groups and equal, the multiple groups of the connecting support legs are uniformly connected to the circumferential side wall of the center seat, the pulleys are respectively connected to the end portions, far away from the center seat, of the connecting support in a one-to-one correspondence manner, and the lifting mechanism is arranged at the upper end of the center seat.

Optionally, the trip is close to the tip of inclined to one side goods of furniture for display rather than for use is provided with first slope spigot surface, first slope spigot surface toward the direction of inclined to one side goods of furniture for display rather than for use upwards inclines gradually and sets up, the upper end lateral wall of the open position of tooth's socket is provided with second slope spigot surface, second slope spigot surface toward the direction of inclined to one side goods of furniture for use upwards inclines gradually and sets up, the inclination of first slope spigot surface is less than the inclination of second slope spigot surface.

Optionally, the tooth's socket is kept away from the upper end inner wall of inclined to one side goods of furniture for display rather than for use is provided with first horizontal butt face, the trip is close to the upper end of tooth's socket is provided with and is used for the butt adaptation the second horizontal butt face of first horizontal butt face.

Optionally, coupling assembling is including setting up respectively the lock seat and the spring bolt at the both ends of body, the spring bolt with be connected with the strap between the body.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the convenient lower seat office chair have one of following technological effect at least: when a user sitting on the office chair needs to sit down for a long time, the body is firstly tilted forwards, so that the parts from the knees to the lower legs swing towards the lower part of the front side of the body, the rotating connecting frame drives the hip supporting pad to slowly rotate around the rotating shaft until the feet of the user abut against the ground, and then the user stands; compare the buttock supporting pad that adopts fixed level to set up in office chair among the prior art, the user need be almost 90 crooked shank pendulum in the twinkling of an eye and directly realize the action of standing up when standing up, and the degree of difficulty that leads to the relatively poor user of health quality to stand up is big, the low technical problem of practicality, the embodiment of the utility model adopts damping rotary mechanism, makes the cushion unit can cooperate user's requirement rotatory, lets the user become the slope state of standing up before standing up, and the degree of difficulty greatly reduced of standing up, the effectual practicality that improves this office chair is favorable to the enterprise development.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a convenient lower-seat office chair provided by the embodiment of the utility model.

Fig. 2 is a schematic structural view of the convenient lower-seated office chair of fig. 1, wherein two cushions are connected by a connecting rod.

Fig. 3 is a schematic structural view of the use effect of the convenient lower-seat office chair in fig. 1.

Fig. 4 is a side view of the convenient lower-seated office chair of fig. 3 with an armrest mechanism.

Fig. 5 is a structural schematic view of the use effect of the convenient lower seat type office chair additionally provided with the pillow mechanism in fig. 1.

Fig. 6 is an exploded view of the structure of the armrest mechanism of fig. 1.

Fig. 7 is a cut-away view of the armrest mechanism of fig. 1.

Fig. 8 is a bottom view of the headrest mechanism provided in the embodiment of the present invention

Fig. 9 is a schematic structural view of the folded headrest mechanism according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-cushion mechanism 20-supporting mechanism 30-armrest mechanism

21-lifting mechanism 22-moving mechanism 31-connecting seat

32-support seat 33-deflection swing part 34-tooth groove

35-hook 36-elastic sheet 37-limiting block

38-switch 221-center seat 222-connection support leg

223-pulley 311-connecting part 12-waist supporting pad

13-hip support pad 312-clip part 60-damping rotation mechanism.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-9 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 9, a convenient lower-seated office chair is provided, which includes a cushion mechanism 10, a support mechanism 20 and an armrest mechanism 30, wherein the cushion mechanism 10 is used for bearing a user; the supporting mechanism 20 comprises a lifting mechanism 21 and a moving mechanism 22, the lifting mechanism 21 is arranged on the moving mechanism 22, the output end of the lifting mechanism 21 is in driving connection with the bottom of the seat cushion mechanism 10, and the moving mechanism 22 is used for driving the whole convenient lower-seat office chair to move along the ground; the armrest mechanism 30 comprises a connecting seat 31, a supporting seat 32 and a deflection swing part 33, one end of the connecting seat 31 is fixedly connected with the edge of the cushion mechanism 10, a vertically arranged clamping groove is arranged at the upper end of the connecting seat 31, a plurality of tooth grooves 34 are arranged on the inner wall of the clamping groove in parallel along the length direction of the clamping groove in sequence, the supporting seat 32 is provided with an opening cavity for slidably connecting the upper end of the connecting seat 31 and is used for abutting against the forearm part of a user, the middle position of the deflection swing part 33 is rotatably connected on the supporting seat 32 and is positioned in the opening cavity, a free end of the deflection swing part 33 extends into the clamping groove and is provided with a hook 35 capable of being clamped and matched with the tooth grooves 34, one end of the hook 35 far away from the tooth grooves 34 is provided with an elastic sheet 36 for driving the hook 35 to move towards the tooth grooves 34, the upper end of the supporting seat 32 is provided with an opening, the opening is movably connected with a switch 38, and the other free end of the deflection swinging part 33 is fixedly connected with the switch 38.

Specifically, this convenient lower seat office chair's theory of operation: when the armrest of the office chair needs to be adjusted, the switch 38 is pressed in the direction of the opening, the switch 38 moves towards the inner side of the opening, the switch 38 drives the deflection swing part 33 to rotate, so that the hook 35 is far away from the tooth groove 34, at the moment, the supporting seat 32 and the deflection swing part 33 are movable parts capable of moving up and down in a straight line compared with the connecting seat 31, a user drives the supporting seat 32 to move up to a proper height, then the switch 38 is released, and the elastic sheet 36 drives the hook 35 to be clamped close to the corresponding tooth groove 34, so that the armrest is positioned; compare the fixed setting of office chair handrail among the prior art, can't satisfy all users' practical demand, the low technical problem of practicality, the utility model provides a convenient lower seat office chair realizes handrail quick adjustment through simple structure's trip 35 and tooth's socket 34 structure, the user of the different demands of adaptation, practicality greatly increased is favorable to the enterprise development.

As shown in fig. 1 to 9, in another embodiment of the present invention, the connecting seat 31 includes a connecting portion 311 and a fastening portion 312, the connecting portion 311 is fixedly connected to the seat cushion mechanism 10, the fastening portion 312 is disposed at an upper end of the connecting portion 311, the fastening groove is formed on the fastening portion 312, and a connecting position between the fastening portion 312 and the connecting portion 311 is a bent structure; specifically, the connecting seat 31 is arranged in an L-shaped structure, the end of the connecting portion 311 away from the clamping portion 312 and the seat cushion mechanism 10 are both provided with threaded holes, and the connecting portion 311 is connected with the seat cushion mechanism 10 through screws, so that the structure is simple and convenient to manufacture; the connecting portion 311 with the connection position of joint portion 312 is provided with circular arc chamfer structure, is favorable to increasing the structural strength of this connecting seat 31, prolongs the life of this connecting seat 31.

As shown in fig. 1-9, in another embodiment of the utility model, the upper end of draw-in groove is provided with and is used for spacingly the free end of goods of furniture for display rather than for use 33 is in stopper 37 in the draw-in groove prevents effectively goods of furniture for display rather than for use 33 breaks away from the draw-in groove, stopper 37 is close to the edges and corners of goods of furniture for display rather than for use 33 becomes fillet structure and sets up, is favorable to prolonging this goods of furniture for display rather than for use 33 and stopper 37's life.

As shown in fig. 1-9, in another embodiment of the present invention, the switch 38 and the inclined to one side pendulum 33 are made of plastic material, the switch 38 and the inclined to one side pendulum 33 are integrally formed by injection molding through an injection molding machine, and the integrally formed structure is firm, so that the manufacture is convenient, and the manufacture efficiency of the inclined to one side pendulum 33 and the switch 38 is improved.

As shown in fig. 1-9, in another embodiment of the present invention, the moving mechanism 22 includes a center seat 221, connecting legs 222 and pulleys 223, the number of the connecting legs 222 and the pulleys 223 is multiple groups and equal, the multiple groups of the connecting legs 222 are uniformly connected to the circumferential side wall of the center seat 221, each of the pulleys 223 is respectively connected to the connecting legs 222 in a one-to-one rotation manner to keep away from the end of the center seat 221, the lifting mechanism 21 is disposed at the upper end of the center seat 221, the connecting legs 222 are arranged in an arc rod-shaped structure, and the connecting legs 222 uniformly distributed in a star-shaped structure are beneficial to improving the stability of the convenient lower seat type office chair, so that the office chair is tilted, and the potential safety hazard of the user is eliminated.

In one embodiment of the present invention, the cushion mechanism 10 comprises a lumbar support pad 12 and a hip support pad 13, the lumbar support pad 12 is disposed on the hip support pad 13, the lumbar support pad 12 is disposed in a vertical direction, the hip support pad 13 is disposed in a horizontal direction, in this embodiment, the ends of the lumbar support pad 12 and the hip support pad 13 are fixedly connected, in other embodiments, the lumbar support pad 12 and the hip support pad 13 can also be fixedly connected by a connecting rod, the convenient lower-seat office chair further comprises a rotary damping mechanism 60, the damping rotary mechanism 60 comprises a rotary connecting frame and a rotary shaft, the rotary connecting frame and the rotary shaft are located between the lifting mechanism and the cushion mechanism 10, the rotary shaft is fixedly disposed at the output end of the lifting mechanism 21, the rotary connecting frame is connected to the rotary shaft in a damping manner, the upper end of the rotary connecting frame is fixedly connected with the bottom of the rotary mechanism 10; the rotary connecting frame is located at the bottom of the position, close to the knees of the user, of the seat cushion mechanism 10, and the end, close to the knees of the user, of the rotary connecting frame is connected with the rotating shaft in a damping rotating mode.

Specifically, when a user sitting on the office chair needs to sit down, the body is tilted forwards, so that the parts from the knees to the lower legs swing downwards towards the front side of the body, the rotary connecting frame drives the cushion unit to slowly rotate around the rotary shaft until the feet of the user abut against the ground, and then the user stands; compare the cushion unit that adopts fixed level to set up in office chair among the prior art, the user need be almost 90 crooked shank pendulum in the twinkling of an eye and directly realize the action of standing up when standing up, and the degree of difficulty that leads to the relatively poor user of health quality to stand up is big, the low technical problem of practicality, the embodiment of the utility model adopts damping rotary mechanism, makes the cushion unit can cooperate user's requirement rotatory, lets the user become the slope state of standing up before standing up, and the degree of difficulty greatly reduced of standing up, the effectual practicality that improves this office chair is favorable to the enterprise development.

As shown in fig. 1-9, in another embodiment of the present invention, the hook 35 is close to the end of the inclined pendulum 33 is provided with a first inclined guiding surface, the first inclined guiding surface is toward the inclined upward setting of the inclined pendulum 33 gradually, the upper end side wall of the opening position of the tooth socket 34 is provided with a second inclined guiding surface, the second inclined guiding surface is toward the inclined upward setting of the inclined pendulum 33 gradually, the inclination angle of the first inclined guiding surface is smaller than the inclination angle of the second inclined guiding surface, the first inclined guiding surface and the second inclined guiding surface are adopted to facilitate the reduction of the moving distance of the switch 38, so that the adjustment operation becomes more convenient, and the use experience of the consumer is improved.

As shown in fig. 1-9, in another embodiment of the present invention, the tooth socket 34 is kept away from the upper end inner wall of the inclined to one side pendulum 33 is provided with a first horizontal abutting surface, the hook 35 is close to the upper end of the tooth socket 34 is provided with a second horizontal abutting surface for abutting against the first horizontal abutting surface, and the first horizontal abutting surface and the second horizontal abutting surface are adopted to facilitate improving the connection stability of the hook 35 and the tooth socket 34, so as to prevent the hook 35 from loosening and affecting the handrail use.

As shown in fig. 1 to 9, in another embodiment of the present invention, the supporting seat 32 is a "T" shaped structure, and the opening is disposed on the bottom wall of the upper transverse portion of the supporting seat 32, so as to effectively prevent the switch 38 from being touched by mistake, and further improve the practicability of the office chair.

As shown in fig. 1-9, in another embodiment of the present invention, the convenient lower-seated office chair further includes a headrest mechanism, the headrest mechanism 50 includes a body 51 and a connecting assembly 52, the body 51 is provided with an opening cavity, the connecting assembly 52 is disposed on the body 51, a fold line structure is formed at the middle position of the body 51, the body 51 can pass through the fold line structure to be a pillow-shaped structure, the connecting assembly 52 is used for locking the two ends of the body 51 to maintain the body 51 in the pillow-shaped structure, and the body 51 can pass through the opening cavity detachably cover and is disposed above the lumbar supporting pad 12.

Specifically, the body 51 is taken down from the back cushion unit, folded by a crease structure, and locked by the connecting assembly 52 to be formed into a headrest-like structure; when need not using the headrest, unblock body 51 establishes on back of the body pad unit with it again, compares in the structure that office chair among the prior art lacks suitable installation headrest, the low technical problem of practicality, the embodiment of the utility model provides a convenient seater office chair, the headrest of rest usefulness can firmly be installed on the back of the body pad at non-user state, neither can drop, also can not occupy too big space, and the practicality is high, is favorable to the enterprise to develop.

As shown in fig. 1-9, in another embodiment of the present invention, the connecting assembly 52 includes a lock seat and a lock tongue respectively disposed at two ends of the body 51, the lock tongue is connected with a strap between the body 51, in other embodiments, the connecting assembly 52 can also be a button, etc., and the locking structure such as the button is adopted to facilitate the improvement of the locking ability of the connecting assembly 52, optimize the structure of the locking assembly, and further improve the practicability of the office chair.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A convenient lower seat office chair, comprising:

the cushion mechanism is used for bearing a user;

the supporting mechanism is used for supporting the cushion mechanism and comprises a lifting mechanism and a moving mechanism, the lifting mechanism is arranged on the moving mechanism, the output end of the lifting mechanism is in driving connection with the bottom of the cushion mechanism, the moving mechanism is used for driving the whole convenient lower-seat office chair to move along the ground,

the damping rotating mechanism comprises a rotating connecting frame and a rotating shaft, the rotating shaft is fixedly arranged at the output end of the lifting mechanism, the rotating connecting frame is in damping rotating connection with the rotating shaft, and the upper end of the rotating connecting frame is fixedly connected with the bottom of the cushion mechanism;

the rotary connecting frame is positioned at the bottom of the position, close to the knees of a user, of the cushion mechanism, and the end part, close to the knees of the user, of the rotary connecting frame is connected with the rotating shaft in a damping rotating mode.

2. A convenient lower chair according to claim 1, wherein: the convenient lower-seat office chair further comprises a headrest mechanism and an armrest mechanism, the headrest mechanism comprises a body and a connecting assembly, the body is provided with an opening cavity, the connecting assembly is arranged on the body, a crease structure is formed in the middle of the body, the body can be folded into a pillow-shaped structure through the crease structure, and the connecting assembly is used for locking two ends of the body to maintain the body in the pillow-shaped structure; the armrest mechanism is arranged on the cushion mechanism and is used for supporting the hand of a user;

the cushion mechanism includes waist supporting pad and buttock supporting pad, the buttock supporting pad with the end fixed connection of waist supporting pad, the waist supporting pad is vertical state setting, the buttock supporting pad is the horizontality setting, the body can pass through opening die cavity detachably cover is established the top of waist supporting pad, swivelling joint frame with the bottom fixed connection of buttock supporting pad.

3. A convenient lower chair according to claim 2, wherein: the armrest mechanism comprises a connecting seat, a supporting seat and a deflection piece, one end of the connecting seat is fixedly connected with the edge of the cushion mechanism, the upper end of the connecting seat is provided with a vertically arranged clamping groove, the inner wall of the clamping groove is provided with a plurality of tooth grooves which are arranged in parallel along the length direction of the clamping groove in sequence, the supporting seat is provided with an opening cavity for slidably connecting the upper end of the connecting seat and is used for abutting against the forearm part of a user, the middle position of the deflection piece is rotatably connected on the supporting seat and is positioned in the opening cavity, one free end of the deflection piece extends into the clamping groove and is provided with a clamping hook capable of clamping and adapting to the tooth grooves, one end of the clamping hook, which is far away from the tooth grooves, is provided with a spring sheet for driving the clamping hook to move towards the tooth grooves, the upper end of the supporting seat is provided with an opening, and the opening is movably connected with a switch, the other free end of the deflection part is fixedly connected with the switch.

4. A convenient lower chair according to claim 3, wherein: the connecting seat includes connecting portion and joint portion, connecting portion with buttock supporting pad fixed connection, joint portion sets up the upper end of connecting portion, the draw-in groove shaping in the joint portion, joint portion with the hookup location of connecting portion is the bending structure setting.

5. A convenient lower chair according to claim 2, wherein: the moving mechanism comprises a center seat, connecting support legs and pulleys, the number of the connecting support legs and the number of the pulleys are multiple groups and equal, the multiple groups of the connecting support legs are uniformly connected to the circumferential side wall of the center seat, the pulleys are respectively in one-to-one correspondence to be rotatably connected to the end portion, far away from the center seat, of the connecting support, and the lifting mechanism is arranged at the upper end of the center seat.

6. A convenient lower chair according to claim 3, wherein: the trip is close to the tip of goods of furniture for display rather than for use is provided with first slope spigot surface, first slope spigot surface toward the direction of goods of furniture for display rather than for use up the slope setting gradually, the upper end lateral wall of the open position of tooth's socket is provided with second slope spigot surface, second slope spigot surface toward the direction of goods of furniture for display rather than for use up the slope setting gradually, the inclination of first slope spigot surface is less than the inclination of second slope spigot surface.

7. A convenient lower chair according to claim 3, wherein: the tooth's socket is kept away from the upper end inner wall of inclined to one side goods of furniture for display rather than for use is provided with first horizontal butt face, the trip is close to the upper end of tooth's socket is provided with and is used for the butt adaptation the second horizontal butt face of first horizontal butt face.

8. A convenient lower chair according to claim 2, wherein: coupling assembling is including setting up respectively the lock seat and the spring bolt at the both ends of body, the spring bolt with be connected with the strap between the body.

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