CN217852066U

CN217852066U - Lifting chair for bar

Info

Publication number: CN217852066U
Application number: CN202222133188.XU
Authority: CN
Inventors: 黄士明
Original assignee: Hangzhou Lin'an Saimei Furniture Co ltd
Current assignee: Hangzhou Lin'an Saimei Furniture Co ltd
Priority date: 2022-08-13
Filing date: 2022-08-13
Publication date: 2022-11-22
Anticipated expiration: 2032-08-13

Abstract

The application relates to a lifting bar chair, which comprises a supporting seat and a cushion component; the supporting seat comprises a base plate and a supporting sleeve which are fixedly connected with each other, the base plate is used for being fixedly placed on the ground, the supporting sleeve is vertically arranged, a lifting hole is coaxially formed in one end, away from the base plate, of the supporting sleeve, and a lifting rod is connected to the supporting sleeve in a threaded mode in the lifting hole; the cushion assembly is connected with a rotating disc, and a connecting groove is formed in the rotating disc; the lifting rod is clamped in the connecting groove, so that the lifting rod and the rotating disc move synchronously. This application has the effect that improves chair life.

Description

Lifting chair for bar

Technical Field

The application relates to the field of chairs, in particular to a lifting bar chair.

Background

The chair is a common seat in people's daily life and is applied to different occasions, such as restaurants, bars and the like. In order to meet the use requirements of people with different heights, the chair is often set to be of a liftable structure.

At present, the lift chair in the market adopts the cylinder to realize raising and lowering functions mostly, but the cylinder is after long-time the use, appears phenomenons such as gas leakage easily, and then makes the chair unable carry out lift adjustment. In places such as bars, restaurants and the like, personnel mobility is large, the chair is required to be moved frequently, the chair is easy to collide and vibrate in the moving process, failure of the air cylinder is accelerated, and the service life of the lifting chair is shortened.

SUMMERY OF THE UTILITY MODEL

In order to improve the life of lift chair, this application provides a lift bar chair.

The application provides a lift bar chair adopts following technical scheme:

a lifting bar chair comprises a supporting seat and a cushion component; the supporting seat comprises a base plate and a supporting sleeve which are fixedly connected with each other, the base plate is used for being fixedly placed on the ground, the supporting sleeve is vertically arranged, a lifting hole is coaxially formed in one end, away from the base plate, of the supporting sleeve, and a lifting rod is connected to the supporting sleeve in a threaded mode in the lifting hole; the cushion assembly is connected with a rotating disc, and a connecting groove is formed in the rotating disc; the lifting rod is clamped in the connecting groove, so that the lifting rod and the rotating disc move synchronously.

Through adopting above-mentioned technical scheme, cushion subassembly below is connected with the rotating circular disc, and the lifter is threaded connection with the support sleeve, and the lifter can the chucking with lifter and cushion subassembly interconnect in coupling groove. The length of the lifting rod exposed out of the lifting hole can be changed by rotating the cushion component, so that the height of the lifting bar chair can be adjusted. This application adopts threaded connection's lifter and support sleeve height-adjusting, and in handling, the impact of collision and vibrations to the lifter is less, compares in the lift chair that uses the cylinder, and the possibility of inefficacy is lower, and has longer life.

Optionally, the cushion subassembly is including apron and seat piece, the apron with sit the piece and slide in vertical direction and be connected, the cavity grooving has been seted up to the seat piece, the apron slides in the cavity grooving, be provided with a plurality of damping spring in the seat piece, damping spring's one end and seat piece fixed connection, the other end and apron fixed connection.

By adopting the technical scheme, the shock absorption spring is arranged, so that the impact of a user on the seat block when the user sits on the seat can be reduced, and the buffer effect is achieved; and simultaneously, the comfort level of the lifting bar chair is improved.

Optionally, a return spring is arranged between the support sleeve and the seat block, and one end of the return spring is fixedly connected with the seat block; the other end is connected with the supporting sleeve; when the lifting device is not used by people, the rotating disc and the lifting rod are separated from each other; when the reset spring is compressed by pressure, the lifting rod is clamped in the connecting groove, and the rotating disc and the lifting rod are connected with each other.

Through adopting above-mentioned technical scheme, install reset spring on the supporting sleeve, when the user applys decurrent pressure to sitting the piece, reset spring atress compression makes the lifter be connected with the rotating disc, rotates the cushion subassembly, changes the length that the lifter exposes for the user can be in suitable height when sitting on the lift bar chair. When the seat cushion is not used, the lifting rod is separated from the rotating disc, and the seat cushion component is supported by the elastic force of the return spring. A plurality of bar chairs can keep at same height this moment, have improved the holistic aesthetic property of bar chair, can reduce the possibility that the mistake touched the height that changes lift bar chair simultaneously in handling.

Optionally, a square fixture block is fixedly arranged at one end of the lifting rod, which is far away from the chassis, and the cross-sectional area of the square fixture block is rectangular; the rotary disc is provided with a clamping groove, the square clamping block is clamped in the clamping groove, and the clamping groove is communicated with the connecting groove.

Through adopting above-mentioned technical scheme, square fixture block chucking is in the chucking recess for can transmit the moment of torsion better between carousel and the lifter, reduce the idle running of cushion subassembly.

Optionally, the supporting sleeve is coaxially and rotatably connected with a rotating block, the rotating block is provided with a through hole for the lifting rod to pass through, and the rotating block is fixedly connected with one end, far away from the seat block, of the reset spring.

Through adopting above-mentioned technical scheme, when rotating the seat piece, drive the turning block through reset spring and rotate at the support sleeve level, because reset spring fixed connection has reduced the torsion that reset spring produced on the turning block, further reduce reset spring fatigue fracture's possibility, improved the life of bar chair.

Optionally, a guide assembly is arranged between the rotating block and the rotating disc and comprises a guide sleeve and a guide rod which are vertically arranged, the guide sleeve is fixedly connected with the rotating block, the guide sleeve is slidably sleeved on the guide rod, and the guide rod is fixedly connected with the rotating disc.

Through adopting above-mentioned technical scheme, the direction subassembly is fixed to be set up between turning block and rotating disc for synchronous rotation between turning block and the rotating disc, the square fixture block that makes the chucking recess of rotating disc aim at the lifter all the time, has played the effect of direction.

Optionally, one end of the turning block, which is far away from the support sleeve, is provided with a plurality of bolt holes, and the plurality of bolt holes are rotationally and symmetrically arranged around the axis of the turning block; the side wall of the supporting sleeve is connected with a bolt component; the bolt assembly comprises a limiting block and a bolt rod, the limiting block is fixedly connected with the supporting sleeve, the bolt rod is movably connected with the limiting block and comprises a first rod part and a second rod part, and the first rod part is fixedly connected with the second rod part; the second rod part is used for being inserted into the bolt hole to limit the rotation of the rotating block, and when the second rod part is separated from the rotating block, the first rod part is abutted to the limiting block.

Through adopting above-mentioned technical scheme, when needs height-adjusting, the vertical upwards slip of control bolt pole, until second pole portion and turning block separation, then rotate first pole portion for first pole portion and stopper butt, the turning block can the free rotation this moment, realizes altitude mixture control, because first pole portion and stopper butt, the user does not hold first pole portion, and second pole portion also can not fall into in the bolt hole. After the altitude mixture control finishes, rotate first pole portion for first pole portion does not slide downwards with the stopper butt, control bolt pole, until second pole portion insert in the bolt hole, the turning block rotates the restriction this moment, and the height of lift bar chair can not change.

Optionally, a leg rest bracket is fixedly connected to the side wall of the support sleeve.

Through adopting above-mentioned technical scheme, through set up the bracket support on the support sleeve, the user is when using, and both feet can shelve on the bracket support, and the user can relax more, has improved user's comfort level.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through set up lifter and rotating disc on the bar chair, the lifter can the chucking be connected lifter and cushion subassembly interconnect in rotating disc's connecting groove. The user rotates the cushion subassembly and just can change the length that the lifter exposes the lift hole to realize the regulation of lift bar chair height. The chair is easy to collide and vibrate in the carrying process, and the lifting rod is not easy to damage, so that the lifting bar chair adopting the structure has longer service life.

2. Through set up reset spring and turning block on the support sleeve, make a plurality of bar chairs be in fixed height when no user uses, improved the pleasing to the eye degree of bar chair.

3. Through fixed setting square fixture block on the lifter, make the transmission moment of torsion that can be better between carousel and the lifter, reduced the idle running of cushion subassembly.

Drawings

Fig. 1 is a schematic structural view of a lifting bar chair.

Fig. 2 is a sectional view schematically showing a seat cushion of a lifting bar chair.

Fig. 3 is an enlarged view of a portion a in fig. 1, and is mainly used for showing the structure of the guide assembly.

Fig. 4 is a schematic view showing a structure of a latch assembly for elevating a bar chair.

Description of reference numerals: 100. a cushion assembly; 110. a cover plate; 120. a seating block; 121. a hollow slot; 130. a damping spring; 140. rotating the disc; 141. a connecting groove; 142. clamping the groove; 150. a return spring; 200. a supporting seat; 210. a chassis; 220. a support sleeve; 230. a lifting rod; 240. a square fixture block; 250. rotating the block; 251. a pin hole; 260. a guide assembly; 261. a guide sleeve; 262. a guide bar; 270. a leg rest bracket; 300. a latch assembly; 310. a limiting block; 311. a card slot; 320. a latch rod; 321. a first rod part; 322. a second rod portion; 323. a third rod part.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses lift bar chair.

Referring to fig. 1, the elevating bar chair includes a seat cushion assembly 100 and a support base 200.

Referring to fig. 1, the support base 200 includes a bottom plate 210 and a support sleeve 220, and the support sleeve 220 is substantially cylindrical with its axis vertically disposed. The base plate 210 is integrally formed with the support sleeve 220, and the base plate 210 is fixedly placed on the ground. The one end that the chassis 210 was kept away from to support sleeve 220 has seted up the lift hole coaxially, and the downthehole threaded connection that still has lifter 230 that goes up and down of support sleeve 220, and the square fixture block 240 of one end fixedly connected with of chassis 210 is kept away from to lifter 230, and the cross-sectional area of square fixture block 240 is the square, along with the rotation of lifter 230, can change the length that lifter 230 exposes the lift hole. One end of the supporting sleeve 220 far away from the base plate 210 is rotatably connected with a rotating block 250, and the rotating block 250 can horizontally rotate. A leg rest bracket 270 is fixedly connected to the side wall of the supporting sleeve 220.

Referring to fig. 2, a coupling groove 141 and a chucking groove 142 are formed at an end of the rotating disc 140 away from the damper spring 130, and the coupling groove 141 and the chucking groove 142 are communicated. The end of the lifting rod 230 far from the base plate 210 can be placed in the connection groove 141, and at this time, the square latch 240 is located in the latch groove 142, and the lifting rod 230 can move synchronously with the rotating disk 140.

Referring to fig. 2, the seat cushion assembly 100 includes a cover plate 110 and a seat block 120, in this embodiment, the cover plate 110 is filled with a sponge pad; the seat block 120 is opened with a hollow groove 121, and the cover plate 110 slides in the hollow groove 121. A damping spring 130 is arranged in the seat block 120, the damping spring 130 is vertically arranged, one end of the damping spring is fixedly connected with the cover plate 110, and the other end of the damping spring is fixedly connected with the seat block 120. A rotating disk 140 is further arranged below the seat block, and the rotating disk 140 is fixedly connected with one end of the seat block 120 far away from the cover plate 110. The rotating disk 140 is connected to the rotating block 250 by the return spring 150. The return spring 150 is vertically disposed, and has one end fixedly connected to the rotating disk 140 and the other end fixedly connected to the rotating block 250.

Referring to fig. 1 and 3, a guide assembly 260 is further vertically disposed between the support base 200 and the seat cushion assembly 100, and the guide assembly 260 is inserted into the return spring 150. The guide assembly 260 includes a guide sleeve 261 and a guide rod 262, and the guide sleeve 261 and the guide rod 262 are both vertically disposed. The guide sleeve 261 is fixedly connected with the rotating block 250, the guide rod 262 is fixedly connected with the rotating disk 140, and the guide rod 262 is slidably arranged in the guide sleeve 261. The guide assembly 260 serves to guide and limit the cushion assembly 100.

When the lifting bar chair is not used, the rotary disk 140 is separated from the lifting bar 230, and the seat cushion assembly 100 is supported by the elastic force of the return spring 150. When a user applies downward pressure to the cushion assembly 100, the return spring 150 is compressed under stress, so that the position of the rotating disc 140 descends, the square fixture block 240 of the lifting rod 230 is clamped in the rotating disc 140, the cushion assembly 100 is rotated at the moment, the return spring 150 and the rotating block 250 are driven to rotate, the lifting rod 230 is driven to rotate, the length of the lifting hole exposed by the lifting rod 230 is changed, and the cushion assembly 100 is positioned at a proper height when the user sits on the lifting bar chair. In the process of adjusting the height, the guide rod 262 slides in the guide sleeve 261, so as to play a role in guiding.

Referring to fig. 1 and 4, a plurality of latch holes 251 are formed in an end surface of the turning block 250 away from the support sleeve 220, the plurality of latch holes 251 are rotationally symmetric with respect to an axis of the support sleeve 220, and a through hole through which the lifting rod 230 passes is formed in the turning block 250. The side wall of the supporting sleeve 220 is connected with a bolt assembly 300, the bolt assembly 300 comprises a limiting block 310 and a bolt rod 320, the limiting block 310 is fixed on the side wall of the supporting sleeve 220, the limiting block 310 is provided with a clamping groove 311, and an opening of the clamping groove 311 faces upwards. The latch rod 320 is movably connected with the limiting block 310. The latch lever 320 includes a first lever portion 321, a second lever portion 322, and a third lever portion 323 which are integrally formed. First pole portion 321 and the equal vertical setting of second pole portion 322, are connected through curved kink between first pole portion 321 and the second pole portion 322, and third pole portion 323 level setting and fixed connection are in the lower part of first pole portion 321. The third lever part 323 can slide in the vertical direction and also rotate in the horizontal direction. The third lever part 323 can abut against the groove bottom of the card slot 311 with the second lever part 322 in the latch hole 251. The third rod 323 can also abut against the end surface of the stopper 310 away from the chassis 210, and the second rod 322 is separated from the rotating block 250.

When the height needs to be adjusted, the user holds the third rod part 323 to control the latch rod 320 to vertically slide upwards, so that the second rod part 322 is separated from the rotating block 250, the cushion assembly 100 is pressed downwards, and the rotation can realize the adjustment of the height of the lifting bar chair. Then, the third rod part 323 is horizontally rotated, so that the third rod part 323 abuts against the end face, far away from the chassis 210, of the limiting block 310, the position of the latch rod 320 is fixed, and the second rod part 322 cannot fall back into the latch hole due to self gravity.

After the height adjustment is finished, the third rod part 323 is rotated to enable the third rod part 323 to be aligned to the opening of the clamping groove 311, the third rod part 323 is held by hands to slide downwards, the third rod part 323 is abutted against the groove bottom of the clamping groove 311, at the moment, the second rod part 322 is inserted into the bolt hole 251 to limit the rotation of the rotating block 250, and the height of the lifting bar chair cannot be changed.

The implementation principle of the lifting bar chair in the embodiment of the application is as follows: the return spring 150 is compressed by the user applying a downward force, and at this time, the rotating disk 140 and the lift lever 230 are coupled to each other. The user can adjust the height of the bar chair by rotating the seat block 120. After the height adjustment is completed, the user restricts the rotation of the rotation block 250 by the latch assembly 300.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A lifting bar chair is characterized in that: comprises a supporting seat (200) and a cushion component (100); the supporting seat (200) comprises a base plate (210) and a supporting sleeve (220) which are fixedly connected with each other, the base plate (210) is used for being fixedly placed on the ground, the supporting sleeve (220) is vertically arranged, one end, far away from the base plate (210), of the supporting sleeve (220) is coaxially provided with a lifting hole, and the lifting rod (230) is in threaded connection with the supporting sleeve (220) in the lifting hole; the cushion assembly (100) is connected with a rotating disc (140), and a connecting groove (141) is formed in the rotating disc (140); the lifting rod (230) is used for being clamped in the connecting groove (141) so that the lifting rod (230) and the rotating disk (140) move synchronously.

2. The elevating bar chair as claimed in claim 1, wherein: cushion subassembly (100) are including apron (110) and seat piece (120), apron (110) with sit piece (120) and slide in vertical direction and be connected, hollow groove (121) have been seted up in seat piece (120), apron (110) slides in hollow groove (121), be provided with a plurality of damping spring (130) in seat piece (120), the one end and the seat piece (120) fixed connection of damping spring (130), the other end and apron (110) fixed connection.

3. The lift bar chair of claim 2, wherein: a return spring (150) is arranged between the support sleeve (220) and the seat block (120), and one end of the return spring (150) is fixedly connected with the seat block (120); the other end is connected with a supporting sleeve (220); when the device is not used, the rotating disc (140) and the lifting rod (230) are separated from each other; when the return spring (150) is compressed by pressure, the lifting rod (230) is clamped in the connecting groove (141), and the rotating disk (140) and the lifting rod (230) are connected with each other.

4. The elevating bar chair as claimed in claim 1 or 3, wherein: one end of the lifting rod (230) far away from the chassis (210) is fixedly provided with a square fixture block (240), and the cross section area of the square fixture block (240) is rectangular; the rotating disc (140) is provided with a clamping groove (142), the square clamping block (240) is clamped in the clamping groove (142), and the clamping groove (142) is communicated with the connecting groove (141).

5. The elevating bar chair as claimed in claim 3, wherein: the supporting sleeve (220) is coaxially and rotatably connected with a rotating block (250), the rotating block (250) is provided with a through hole for the lifting rod (230) to pass through, and the rotating block (250) is fixedly connected with one end, far away from the seat block (120), of the return spring (150).

6. The lift bar chair of claim 5, wherein: there is direction subassembly (260) between turning block (250) and rotating disc (140), direction subassembly (260) are including vertical guide sleeve (261) and guide bar (262) that sets up, guide sleeve (261) and turning block (250) fixed connection, guide sleeve (261) slip to be established on guide bar (262), guide bar (262) and rotating disc (140) fixed connection.

7. The elevating bar chair as claimed in claim 6, wherein: a plurality of bolt holes (251) are formed in one end, far away from the supporting sleeve (220), of the rotating block (250), and the bolt holes (251) are rotationally and symmetrically arranged around the axis of the rotating block (250); the side wall of the supporting sleeve (220) is connected with a bolt component (300); the bolt assembly (300) comprises a limiting block (310) and a bolt rod (320), the limiting block (310) is fixedly connected with the support sleeve (220), the bolt rod (320) is movably connected with the limiting block (310), the bolt rod (320) comprises a first rod part (321) and a second rod part (322), and the first rod part (321) is fixedly connected with the second rod part (322); the second rod part (322) is inserted into the bolt inserting hole (251) to limit the rotation of the rotating block (250), and when the second rod part (322) is separated from the rotating block (250), the first rod part (321) is abutted to the limiting block (310).

8. The elevating bar chair as claimed in claim 1, wherein: the side wall of the supporting sleeve (220) is fixedly connected with a leg rest bracket (270).