CN215913898U

CN215913898U - Office chair

Info

Publication number: CN215913898U
Application number: CN202121886289.3U
Authority: CN
Inventors: 左建
Original assignee: Suqian Zuoshi Wood Industry Co ltd
Current assignee: Suqian Zuoshi Wood Industry Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-03-01
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses an office chair, which relates to the technical field of office chairs and comprises a chair body, wherein a rotating shaft is rotatably connected to one side of the chair body, a backup plate is fixedly connected to the rotating shaft, a locking mechanism is arranged between the rotating shaft and the chair body and comprises a clamping rod, the clamping rod is vertically and slidably arranged on the chair body, a connecting plate is arranged at one end, away from the chair body, of the clamping rod, at least one first spring is arranged between the connecting plate and the chair body, and a plurality of limiting holes matched with the clamping rod in a clamping mode are formed in the rotating shaft. Through the cooperation between seat body, pivot, backup plate, locking mechanism, joint pole, connecting plate, first spring, the stopper, the connecting plate moves the joint board and slides and then rotates the backup plate in leading to the inslot, aligns the spacing hole at place with the joint pole on, loosens the connecting plate after, the process that first spring resumes elasticity drives the connecting plate and slides down, fixes the backup plate once more.

Description

Office chair

Technical Field

The utility model relates to the technical field of office chairs, in particular to an office chair.

Background

At present, chairs in the market are various in types and are mostly single in function. These chairs are either office chairs or leisure chairs. An office chair generally includes a chair back, a chair seat, armrests, and four legs, which are fixed to the lower end of the chair seat, respectively, and the bottom surfaces of which are in direct contact with the ground. When working, a person sits on the chair seat. The entire office chair is stationary. A leisure chair typically includes a chair back, a chair seat, armrests, four legs, and two arcuate guide rails. The four supporting legs are respectively fixed at the lower end of the chair seat. The arc-shaped guide rails are arranged in bilateral symmetry, and two supporting legs are respectively fixed on the arc-shaped guide rails.

The existing office chair can be correspondingly adjusted according to the needs of the chair, so that the chair can be better used by people, if the application number is CN201120052533.6, the Chinese patent of 'an office chair' discloses an office chair which comprises a chair back, a chair seat, handrails, four supporting legs and two guide rails with the same radian, the guide rails are arranged in a bilateral symmetry mode, each guide rail is divided into a front guide rail and a rear guide rail, in addition, each front guide rail is respectively fixedly connected with the two supporting legs, and the rear end of the front guide rail and the front end of the rear guide rail are connected through a clamping device. Through adjusting the clamping device, the office chair with the structure can be fixed upright for office work, can swing back and forth for leisure, and can conveniently and simply realize conversion of two functions.

The defects of the prior art are as follows: the chair body of a common office chair is not inclined or inclined but the inclined angle is fixed and not adjustable, different requirements of people cannot be met, the chair body is mostly fixed in height or adjustable but is troublesome to adjust, the height is inconvenient to change at any time, a headrest is not arranged on a back plate of the conventional chair usually, a user cannot relax the head and neck part, and the height cannot be adjusted even if the headrest is arranged, so that the requirement of different users cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an office chair to solve the defects in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides an office chair, includes the seat body, it is connected with a pivot to rotate on seat body one side, a fixedly connected with backup plate in the pivot, be provided with a locking mechanism between pivot and the seat body, locking mechanism includes the joint pole, the vertical slip setting of joint pole is on the seat body, the one end that the seat body was kept away from to the joint pole is provided with a connecting plate, be provided with at least one first spring between connecting plate and the seat body, set up in the pivot a plurality ofly and the spacing hole of joint pole joint complex, be provided with a torque spring between backup plate and the seat body, the slip is provided with a back cushion on the backup plate.

Furthermore, a through groove is formed in the seat body, and the clamping rod is arranged in the through groove in a sliding mode.

Furthermore, a sliding groove is formed in the back plate, the back cushion is arranged on the sliding groove in a sliding mode, and a clamping assembly is arranged between the back cushion and the sliding groove.

Further, the joint subassembly includes the joint board, the joint board with be provided with the second spring between the back cushion, one side that the back cushion was kept away from to the joint board is provided with a lifting rod, one side that the spout is close to the joint subassembly is seted up a plurality ofly and is connect complex spacing groove with the joint integrated circuit board.

Further, still include threaded rod and a screw thread section of thick bamboo, threaded rod fixed connection is in seat body bottom, the one end threaded connection that the seat body was kept away from to the threaded rod is in the screw thread section of thick bamboo, a fixedly connected with actuating lever on one side of threaded rod.

Furthermore, one end of the threaded cylinder, which is far away from the threaded rod, is fixedly connected with a base, and a plurality of self-locking trundles are arranged at the bottom of the base.

Further, cushions are arranged on two sides of the seat body and on the backup plate.

Compared with the prior art, the utility model has the beneficial effects that: the seat body, the apparatus further comprises a rotating shaft, the backup plate, locking mechanism, the joint pole, the connecting plate, a first spring, cooperation between the stopper, when will rotating the backup plate, through upwards driving the connecting plate, the connecting plate drives the joint pole and slides then rotate the backup plate in leading to the inslot, reach set angle after, on the spacing hole at the place is aimed at to the joint pole, loosen behind the connecting plate, the process that first spring resumes elasticity drives the connecting plate and slides downwards, and then it advances its spacing downthehole that corresponds to drive the joint pole joint, it is fixed with the backup plate once more, easy operation makes things convenient for the practicality to be strong.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;

FIG. 2 is a schematic view of another overall perspective structure provided in the embodiment of the present invention;

FIG. 3 is a schematic view of another overall perspective structure provided in the embodiment of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 2;

FIG. 5 is an enlarged view of the area B in FIG. 3;

fig. 6 is a schematic view of a rotating shaft structure according to an embodiment of the present invention.

Description of reference numerals: 1. a seat body; 101. a through groove; 102. a soft cushion; 2. a backup plate; 3. a locking mechanism; 301. a clamping and connecting rod; 302. a connecting plate; 303. a first spring; 4. a rotating shaft; 401. a limiting hole; 5. a back cushion; 6. a chute; 7. a clamping assembly; 701. a clamping and connecting plate; 702. a second spring; 703. lifting a pull rod; 704. a limiting groove; 8. a threaded rod; 801. a drive rod; 9. a threaded barrel; 10. a base; 11. self-locking caster wheels.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, an office chair provided in an embodiment of the present invention includes a chair body 1, a rotating shaft 4 is rotatably connected to one side of the chair body 1, a backup plate 2 is fixedly connected to the rotating shaft 4, a locking mechanism 3 is disposed between the rotating shaft 4 and the chair body 1, the locking mechanism 3 includes a clamping rod 301, the clamping rod 301 is vertically and slidably disposed on the chair body 1, a connecting plate 302 is disposed at an end of the clamping rod 301 away from the chair body 1, at least one first spring 303 is disposed between the connecting plate 302 and the chair body 1, a plurality of limiting holes 401 engaged with the clamping rod 301 are disposed on the rotating shaft 4, a torque spring is disposed between the backup plate 2 and the chair body 1, and a backup pillow 5 is slidably disposed on the backup plate 2.

Specifically, the office chair comprises a chair body 1, a backup plate 2 is rotatably connected to one side of the chair body 1, the backup plate 2 is rotatably connected to the chair body 1 in a manner of being matched with the chair body 1 through a rotating shaft 4, the rotation angle of the backup plate 2 is controlled through a locking mechanism 3, when the backup plate 2 needs to be rotated, the connecting plate 302 is driven upwards, the connecting plate 302 drives the clamping plate 301 to slide in the through groove 101, so that the clamping rod 101 slides out of the original limiting hole 401, then the backup plate 2 is rotated, after the preset angle is reached, the clamping rod 301 is aligned to the limiting hole 401, after the connecting plate 302 is loosened, the process that the first spring 303 recovers elasticity drives the connecting plate 302 to slide downwards, and then the clamping rod 301 is driven to be clamped into the corresponding limiting hole 401, the backup plate 2 is fixed again, the operation is simple, convenient and strong in practicability is achieved, and a torque spring is arranged, so that when the angle of the back plate 2 does not need to be adjusted, the process of restoring the elastic force of the torque spring restores the back plate 2 to the initial state, and the back cushion 5 is set to the sliding state, so that the back cushion can be conveniently moved to the most comfortable position of people, such as the waist or the head.

A spout 6 has been seted up on backup plate 2, and headrest 5 slides and sets up on spout 6, is provided with a joint subassembly 7 between headrest 5 and the spout 6, and joint subassembly 7 includes joint board 701, is provided with second spring 702 between joint board 701 and the headrest 5, and one side that headrest 5 was kept away from to joint board 701 is provided with a lifting rod 703, and spout 6 is close to one side of joint subassembly 7 and has seted up a plurality ofly and joint board 701 joint complex spacing groove 704.

Preferably, when the headrest 5 needs to slide, the clamping plate 701 is driven to slide through the lifting rod 703, so that the clamping plate 701 slides out of the limit groove 704 where the clamping plate 701 is located, then the headrest 5 slides to a position required by people, the lifting rod 703 is loosened, the second spring 702 restores elastic deformation, drives the clamping plate 701 to be clamped into the corresponding limit groove 704, the headrest 5 is fixed again, the operation is simple and convenient, the practicability is high, and the safety pillow is high

Still include threaded rod 8 and a screw thread section of thick bamboo 9, threaded rod 8 fixed connection is in seat body 1 bottom, and one end threaded connection that seat body 1 was kept away from to threaded rod 8 is in screw thread section of thick bamboo 9, fixedly connected with an actuating lever 801 on one side of threaded rod 8.

Preferably, when the height of this office chair needs to be adjusted, threaded rod 8 is rotated through actuating lever 801, make threaded rod 8 rise or reduce in the internal rotation of a screw thread section of thick bamboo 9, thereby reach the purpose of adjusting the height of this office chair, a screw thread section of thick bamboo 9 is kept away from a one end fixedly connected with base 10 of threaded rod 8, base 10 bottom is provided with a plurality of auto-lock truckles 11, through being provided with auto-lock truckles 11, be convenient for remove this office chair, all be provided with cushion 102 on seat body 1's the both sides and on backup plate 2, through setting up cushion 102, can improve this office chair's comfort level, improve this office chair's practicality.

The working principle is as follows: when the office chair is used, the office chair is locked after being moved to a required position through the self-locking caster 11, when the backup plate 2 needs to be rotated, the connecting plate 302 is driven upwards, the connecting plate 302 drives the clamping plate 301 to slide in the through groove 101, the clamping rod 101 slides out of the original limiting hole 401, then the backup plate 2 is rotated, after a preset angle is reached, the clamping rod 301 is aligned to the limiting hole 401, after the connecting plate 302 is loosened, the process that the first spring 303 recovers elasticity drives the connecting plate 302 to slide downwards, the clamping rod 301 is driven to be clamped into the corresponding limiting hole 401, the backup plate 2 is fixed again, the operation is simple, convenient and strong in practicability, and the process that the torque spring recovers elasticity when the angle of the backup plate 2 does not need to be adjusted through the arrangement of the torque spring is used for recovering the original state of the backup plate 2; when the headrest 5 needs to slide, the clamping plate 701 is driven to slide through the lifting rod 703, so that the clamping plate 701 slides out of the limiting groove 704 where the clamping plate 701 is located, then the headrest 5 slides to a position required by people, the lifting rod 703 is loosened, the second spring 702 restores elastic deformation, the clamping plate 701 is driven to be clamped into the corresponding limiting groove 704, the headrest 5 is fixed again, and the operation is simple and convenient.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. Office chair, its characterized in that: comprises a seat body (1);

a rotating shaft (4) is rotatably connected to one side of the seat body (1), a backup plate (2) is fixedly connected to the rotating shaft (4), and a locking mechanism (3) is arranged between the rotating shaft (4) and the seat body (1);

the locking mechanism (3) comprises a clamping rod (301), the clamping rod (301) is vertically arranged on the seat body (1) in a sliding mode, a connecting plate (302) is arranged at one end, away from the seat body (1), of the clamping rod (301), at least one first spring (303) is arranged between the connecting plate (302) and the seat body (1), a plurality of limiting holes (401) in clamping fit with the clamping rod (301) are formed in the rotating shaft (4), and a torque spring is arranged between the backup plate (2) and the seat body (1);

the back cushion (5) is arranged on the back plate (2) in a sliding mode.

2. An office chair as claimed in claim 1, wherein: a through groove (101) is formed in the seat body (1), and the clamping rod (301) is arranged in the through groove (101) in a sliding mode.

3. An office chair as claimed in claim 1, wherein: a sliding groove (6) is formed in the back plate (2), the back cushion (5) is arranged on the sliding groove (6) in a sliding mode, and a clamping component (7) is arranged between the back cushion (5) and the sliding groove (6).

4. An office chair as claimed in claim 3, wherein: the clamping assembly (7) comprises a clamping plate (701), a second spring (702) is arranged between the clamping plate (701) and the back cushion (5), and a lifting rod (703) is arranged on one side, far away from the back cushion (5), of the clamping plate (701); one side of the sliding groove (6) close to the clamping component (7) is provided with a plurality of limiting grooves (704) matched with the clamping plates (701) in a clamping mode.

5. An office chair as claimed in claim 1, wherein: still include threaded rod (8) and a screw thread section of thick bamboo (9), threaded rod (8) fixed connection is in seat body (1) bottom, the one end threaded connection who keeps away from seat body (1) in screw thread section of thick bamboo (9) threaded rod (8), fixedly connected with actuating lever (801) on one side of threaded rod (8).

6. An office chair as claimed in claim 5, wherein: one end of the threaded cylinder (9) far away from the threaded rod (8) is fixedly connected with a base (10), and a plurality of self-locking trundles (11) are arranged at the bottom of the base (10).

7. An office chair as claimed in claim 1, wherein: cushions (102) are arranged on two sides of the seat body (1) and on the backup plate (2).