CN217565411U - Rotary adjusting clamping convex structure and seat - Google Patents

Abstract

The utility model relates to a rotary adjusting clamp convex structure and a seat, which comprises a locking plate, a fixed end and a free end, wherein a clamping boss is arranged on the locking plate; the fixed end of the lock plate is movably connected to the lock plate fixing seat; the locking plate fixing seat is arranged at the outer end of the locking plate fixing seat, and a first through hole matched with the clamping boss is formed in the side wall of the locking plate fixing seat; and the handle is used for driving the locking plate to rotate around the locking plate fixing seat and is provided with a handle end and an adjusting end. The locking plate is in an unlocking state or a locking state by arranging the rotating locking plate and controlling and adjusting by using the handle, so that the clamping boss and the external crossing structural member can be conveniently clamped. The device has simple structure, convenient operation and labor saving.

Description

Rotary adjusting clamping convex structure and seat

Technical Field

The utility model relates to a seat is adjusted, indicates especially a rotate and adjust protruding structure of card and seat.

Background

The seat is a common necessity in life and study. In the life at home or work study, because everyone's height is inconsistent, lead to the required height of seat to be different, sit on uncomfortable height for a long time, be unfavorable for human healthy.

In the life of present, especially at school, in order to reduce the cost, the seat that is fixed structure mostly, or through bolt adjustable seat, it is more troublesome to adjust, and the structure is too stable, often adjusts the helicitic texture that easily harms on the bolt, and the less old student is difficult to adjust.

Therefore, it is necessary to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

To the technical problem, an object of the utility model is to provide a rotate and adjust protruding structure of card and seat, change the regulative mode of traditional seat, satisfy different crowds' demand.

In order to realize the above object, an object of the utility model is to provide a rotate and adjust protruding structure of card and seat, adjustable protruding structure of card includes:

the locking plate is provided with a fixed end and a free end, and a clamping boss is arranged on the locking plate;

the fixed end of the locking plate is movably connected to the locking plate fixing seat;

the locking plate fixing seat is arranged at the outer end of the locking plate fixing seat, and a first through hole matched with the clamping boss is formed in the side wall of the locking plate fixing seat; and

the handle is used for driving the locking plate to rotate around the locking plate fixing seat and provided with a handle end and an adjusting end.

In some embodiments, the locking plate fixing seat is provided with an elastic element, one end of the elastic element is connected to the locking plate, and the elastic element is always in a compressed state and provides elastic support for the locking plate.

In some embodiments, the handle fixing seat is arranged on the fixed vertical pipe, and the handle is rotatably fixed on the handle fixing seat.

In some embodiments, a contact type adjusting structure is arranged between the lock plate and the handle, a first contact surface is arranged at the adjusting end of the handle, a second contact surface matched with the first contact surface is arranged on the lock plate, and the first contact surface is tangent to the second contact surface.

In some embodiments, a circular arc structure is arranged at the tail end of the adjusting end of the handle, and the adjusting end is always tangent to the second contact surface during the rotation process.

In some embodiments, a clamping surface and a guide surface are arranged on the clamping boss, the clamping surface is perpendicular to the side wall of the fixed vertical pipe, and the guide surface is arranged in front of the clamping boss and connected with the clamping surface and used for guiding the clamping boss to enter and exit the first through hole.

In some embodiments, the elastic element is disposed at the upper end of the locking plate fixing seat, and the elastic element and the clamping boss are located on the same axis.

In some embodiments, the locking plate fixing seat is provided with a limiting structure, the limiting structure is matched with the shape of the side edge of the locking plate, and when the locking plate side wall abuts against the limiting structure, the clamping boss is completely separated from the first through hole.

In some embodiments, the locking piece is further provided with a yielding structure for yielding a screw on the fixed vertical pipe.

In some embodiments, the present invention also provides a seat comprising:

a stool surface and chair legs, wherein the chair legs are provided with a plurality of adjusting holes which are arranged at intervals,

in the above-mentioned rotation adjusting protruding structure in each embodiment, the seat support leg is sleeved on the rotation adjusting protruding structure, and the seat support leg can slide relative to the axial direction of the fixed vertical pipe.

Compared with the prior art, the utility model discloses the beneficial effect who brings is:

1. in this application, through setting up the locking plate inside fixed riser, reduce locking plate and external structure contact, guaranteed the stability of locking plate structure, simultaneously through setting up handle and locking plate into non-contact regulation, the rotation in-process, the circular arc structure of regulation end is tangent and the locking plate, has reduced the resistance in the accommodation process to a certain extent for the accommodation process is more laborsaving.

2. Through setting up elastic element, and elastic element is in compression state all the time in fixed riser, for the locking plate provides elasticity and supports, when guaranteeing that the locking plate can not withdraw from first through-hole, still provides elasticity from the unblock state to the lock-out state and makes locking plate automatic re-setting. And the elastic element and the clamping boss are coaxially arranged, so that the force arm is reduced, and the elastic force provided by the elastic element under the same condition is maximized.

3. The limiting structure is arranged on the fixing seat, so that when the clamping boss on the locking plate is in an unlocking state, the handle is prevented from being separated from the locking plate in the rotating and adjusting process.

Drawings

The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments in a clearly understandable manner, in conjunction with the accompanying drawings.

FIG. 1 is a schematic view of the connection of the internal structure of the rotary adjusting clamp-convex structure in the locked state of the present invention;

fig. 2 is a schematic view of the overall structure of a rotary adjusting snap structure of the present invention;

fig. 3 is a schematic diagram of the internal structure of the present invention when the rotation adjusts the unlocking state of the protruding structure of the card.

Fig. 4 is a schematic view of the handle structure of the rotary adjusting clamp convex structure of the present invention.

The reference numbers indicate: locking plate 100, joint boss 101, guide face 1011, abdication structure 102, second contact surface 103, locking plate fixing base 200, elastic element 201, locking plate pivot 202, limit structure 203, fixed riser 300, handle fixing base 301, separation blade 302, hold chamber 303, first through-hole 304, handle 400, handle end 401, regulation end 402, first contact surface 4021, first inclined plane 40211, first arc surface 40212.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will refer to the accompanying drawings to describe specific embodiments of the present invention. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 as a specific case by those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In one embodiment, as shown in fig. 1 to 4, the rotation adjusting latch structure provided by the present invention mainly includes a locking plate 100, a locking plate fixing seat 200, a fixing stem 300 and a handle 400. The fixed vertical pipe 30 is thin-walled, and has an accommodating cavity 303 therein, and a first through hole 304 adapted to the clamping boss 101 is provided on the sidewall of the fixed vertical pipe 300, for the clamping boss 101 to penetrate through the sidewall of the fixed vertical pipe 300 to be clamped with an external structure. Specifically, the size of the first through hole 304 is slightly larger than the external size of the clamping boss 101, so that the clamping boss 101 enters and exits the first through hole 304 to be clamped with an external structure. The locking plate fixing seat 200 is fixedly disposed in the accommodating cavity 303 of the fixing vertical pipe 300 and abuts against the inner wall of the fixing vertical pipe 300, in this embodiment, the fixing vertical pipe 300 and the locking plate fixing seat 200 are provided with screw holes, and are locked and fixed by screws. The locking plate 100 has a fixed end and a free end, the fixed end is movably connected to the locking plate fixing seat 200, and in the present embodiment, the locking plate 100 is rotatably fixed to the lower end of the locking plate fixing seat 200 through the locking plate rotating shaft 202. The handle 400 is disposed at the upper end of the fixing stem 300 and located at the upper portion of the free end of the locking plate 100, and the adjusting end 402 thereof contacts with the upper portion of the locking plate 100 for driving the locking plate 100 to rotate around the locking plate fixing seat 200.

In this embodiment, the locking plate 100 is disposed in the fixing vertical pipe 300 to protect the locking plate 100, so as to reduce the contact between the locking plate 100 and the outside, and ensure the structural stability of the locking plate 100. Meanwhile, the handle 400 is arranged, the locking plate 100 is driven to rotate by rotating the handle 400, the locking function and the unlocking function of the locking plate 100 are realized, and the whole structure is convenient to adjust. As a variant of this embodiment, the pull handle 400 can be movably connected to the lock plate 100, i.e. by means of a hinge.

In one embodiment, as shown in fig. 1 and 3, in order to simplify the connection structure between the locking plate 100 and the handle 400 and minimize the resistance to rotation, an elastic element 201 is disposed on the locking plate holder 200, one end of the elastic element 201 is connected to the locking plate 100, the other end is connected to the locking plate holder 200, and the elastic element 201 is always in a compressed state to provide elastic support for the locking plate 100, so that the locking plate 100 is reset to achieve a locked state. In this embodiment, the elastic element 201 is a metal spring. The locking plate fixing seat 200 is provided with a spring groove, and the metal spring is clamped in the spring groove. Alternatively, the elastic element 201 may also be a metal dome, an air spring or a rubber spring. Optionally, the fixed position of the elastic element 201 may also be on the inner wall of the fixed riser 300; the locking plate can also be arranged on the same side of the clamping boss 101, the elastic element 201 is in a natural state, the clamping boss 101 of the locking plate 100 is in a locking state in the first through hole 304, and when the clamping boss 101 completely exits from the first through hole 304, the elastic element 201 is in a stretching state.

Further, referring to fig. 1 and 3, in order to maximize the utilization of the elastic force of the elastic element 201 in the process of resetting and clamping the clamping boss 101, and reduce the loss of the elastic force, the elastic element 201 is disposed at the upper end of the locking plate fixing seat 200, and the axis of the elastic element 201 is located at a uniform axis along the axis of the clamping boss 101. Through carrying out this type of mode setting with elastic element 201, can be used for the restoration of joint boss 101 completely with the produced elasticity of elastic element 201 compression, make to restore to the throne more thoroughly, and then more stable with the exterior structure joint. Meanwhile, compared with the mode of being fixed at other positions, the elastic element 201 required by the mode has low elastic coefficient, and the elastic element 201 of the same type provides the maximum elastic force under the fixing mode.

In one embodiment, the rotation adjusting protrusion structure further includes a handle fixing base 301 disposed at an upper end of the fixed riser 300, and the handle 400 is disposed coaxially with the handle fixing base 301. In this embodiment, the handle fixing base 301 is arranged to fix the handle 400, when the locking plate 100 is adjusted, when the locking boss 101 is completely separated from the first through hole 304, the handle 400 is then fixed on the handle fixing base 301, and at this time, the relative position between the locking boss and the external structure can be adjusted by rotation. Further, through setting up handle fixing base 301, can also with carry out coaxial coupling through it with external structure.

In one embodiment, a contact type adjustment structure is provided between the lock piece 100 and the handle 400, a first contact surface 4021 is provided at an adjustment end 402 of the handle 400, a second contact surface 103 adapted to the first contact surface 4021 is provided at an upper end of the lock piece 100, and the first contact surface 4021 is always tangent to the second contact surface 103 during rotation of the handle 400. Specifically, in this embodiment, when the rotation adjusting protrusion structure is in the locked state, the side surface of the locking plate 100 with the engaging protrusion 101 completely fits the inner wall of the fixing vertical pipe 300, so that the second contact surface 4021 on the locking plate 100 is set to be an inclined surface structure with a certain inclination angle, so that the handle 400 can drive the locking plate to rotate. Meanwhile, the adjusting end 402 needs to have a sufficient length to satisfy that the handle 400 abuts against the locking plate 100 when the locking plate 100 is in the unlocking state, so as to prevent the locking plate 100 from being separated from the handle 400. Further, as shown in fig. 4, as a structural diagram of the handle 400, the first contact surface 4021 at the adjustment end 402 of the handle 400 includes a first inclined surface 40211 having the same structure as the second contact surface 103 and an arc structure 40212 at the end, so as to ensure that the adjustment end 402 of the handle 400 is always tangent to the second contact surface 103 at the upper end of the locking plate 100 during the rotation of the locking plate 100, that is, the adjustment end 402 of the handle 400 always provides a vertical force to the second contact surface 103 of the locking plate 100, and during the tangent rotation, the resistance of the handle 400 is minimal, so that the whole structure is more labor-saving during the rotation. Further, the distance between the tail end of the handle end 401 of the handle 400 and the rotation center of the handle is far larger than the distance between the tail end of the adjusting end 402 of the handle 400 and the rotation center of the handle, that is, in the process of rotating the handle, the rotation arm of the handle end 401 is larger than that of the adjusting end 402, so that the adjusting process is more labor-saving. As a modified embodiment in this embodiment, the handle 400 may also be a flexible rope structure, and the position of the locking plate 100 is adjusted by forming a slot hole in the fixing vertical pipe 300 and passing the flexible rope through the slot hole. It should be understood that the structural shape of the handle 400 is not limited by the present invention, and the locking plate 100 can be rotated and adjusted.

In one embodiment, to facilitate the smooth engagement of the engaging protrusion 101 with the external structure and the entering and exiting of the first through hole 304, a guiding surface 1011 is provided at the front end of the engaging protrusion 101, and an engaging surface is provided between the guiding surface 1011 and the side wall of the lock plate 100, which is perpendicular to the side wall of the lock plate. When joint boss 101 carried out the joint with the draw-in groove of exterior structure, can reduce the friction of joint boss 101 with the draw-in groove inner wall of exterior structure through guide face 1011, guide joint boss 101 and draw-in groove joint cooperation. Because the upper end of joint boss 101 is the stress surface, so carry out perpendicular design with the joint face, structural strength and structural stability when having guaranteed joint boss 101 and exterior structure joint make joint boss 101 not break away from easily and withdraw from the draw-in groove.

In one embodiment, the locking plate fixing seat 200 is provided with a limiting structure 203 for limiting the locking plate 100 and preventing the handle 400 from being separated from the locking plate 100 due to an excessively large rotation angle of the locking plate 100. Specifically, in this embodiment, the limiting structure 203 and the boss of the locking plate 100 are matched in shape, when the locking plate 100 abuts against the limiting structure 203, the clamping boss 101 completely exits from the first through hole 304 to enter the unlocking state, and at this time, the adjusting end 402 of the handle 400 still abuts against the second contact surface 103 on the upper end of the locking plate 100. Alternatively, the limiting structure 203 may be a stopper, or a pillar structure, and it should be understood that the shape structure and the number of the limiting structure 203 are not limited by the present invention. Further, a blocking piece 302 is further arranged on the outer wall of the fixed vertical pipe 300, so that when the rotation adjusting clamping convex structure is obliquely installed, the blocking piece 302 supports one side of the fixed vertical pipe 300, the side wall of the fixed vertical pipe 300 is prevented from being in direct contact with an external connecting structure, and the fixed vertical pipe 300 is protected to a certain extent. Furthermore, a yielding structure 102 is further arranged on the locking piece 100, so that parts on the fixed vertical pipe 300 are prevented from being touched when the locking piece 100 is rotated and adjusted. Specifically, a groove is formed in a side wall of the locking plate 100, and when the locking plate 100 is in an unlocked state, parts on the fixing stand pipe 300 are located in the groove.

In one embodiment, the utility model also provides a seat, which comprises a seat surface and seat support legs, wherein a plurality of adjusting holes are arranged at intervals on the seat support legs; in the above-mentioned embodiments, the seat support legs are sleeved outside the fixed vertical tube 300 and can slide up and down relative to the fixed vertical tube 300. Through rotating handle 400, adjust the state of joint boss 101, remove the seat stabilizer blade, make the high needs that satisfy of seat, loosen handle 400, make joint boss 101 joint in the regulation hole under elastic element 201's effect.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a rotation regulation card is protruding structure which characterized in that includes:

the locking plate is provided with a fixed end and a free end, and a clamping boss is arranged on the locking plate;

the fixed end of the locking plate is movably connected to the locking plate fixing seat;

the locking plate fixing seat is arranged at the outer end of the locking plate fixing seat, and a first through hole matched with the clamping boss is formed in the side wall of the locking plate fixing seat; and

the handle is used for driving the locking plate to rotate around the locking plate fixing seat and provided with a handle end and an adjusting end.

2. The rotation adjustment snap-in structure of claim 1,

the locking plate fixing seat is provided with an elastic element, one end of the elastic element is connected to the locking plate, and the elastic element is always in a compression state and provides elastic support for the locking plate.

3. A rotary adjustment snap-in structure according to any one of claims 1-2,

the handle fixing seat is arranged on the fixed vertical pipe, and the handle can be rotationally fixed on the handle fixing seat.

4. The rotary adjustable snap projection structure as claimed in claim 1,

the locking plate is provided with a first contact surface, the locking plate is provided with a second contact surface, and the first contact surface is tangent to the second contact surface.

5. The rotation adjustment snap-in structure of claim 4,

the handle the end of adjusting the end is equipped with the circular arc structure, adjust the end in the rotation process, all the time with the second contact surface is tangent.

6. The rotary adjustable snap projection structure as claimed in claim 1,

be equipped with joint face and guide face on the joint boss, the joint face with fixed riser lateral wall is perpendicular, the guide face set up in joint boss the place ahead, with the joint face is connected, is used for the guide joint boss business turn over first through-hole.

7. The rotary adjustable snap projection structure as claimed in claim 2,

the elastic element is arranged at the upper end of the locking plate fixing seat, and the elastic element and the clamping boss are located on the same axis.

8. The rotary adjustable snap projection structure as claimed in claim 7,

be equipped with limit structure on the locking plate fixing base, limit structure with locking plate side appearance looks adaptation, work as locking plate lateral wall butt in during limit structure, the joint boss breaks away from completely first through-hole.

9. The rotary adjustable snap projection structure as claimed in claim 8,

and the locking piece is also provided with a yielding structure for yielding the screw on the fixed vertical pipe.

10. A seat, comprising:

a stool surface and chair legs, wherein the chair legs are provided with a plurality of adjusting holes which are arranged at intervals,

the rotary adjusting protrusion structure of any one of claims 1-9, wherein the seat leg is sleeved on the rotary adjusting protrusion structure, and the seat leg is slidable relative to the axial direction of the fixed vertical pipe.

Images