CN218127696U

CN218127696U - Office chair with adjustable backrest angle and height

Info

Publication number: CN218127696U
Application number: CN202222596058.XU
Authority: CN
Inventors: 夏勇坚
Original assignee: Hangzhou Jingyi Steel Wood Furniture Co ltd
Current assignee: Hangzhou Jingyi Steel Wood Furniture Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-27
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses an employee's chair of adjustable back angle and height, including main part height control mechanism, back angle control mechanism and block replacement mechanism, main part height control mechanism's one end is connected with back angle control mechanism, and main part height control mechanism's top is provided with block replacement mechanism. This but regulation back angle and staff chair of height, in the use of this staff chair, the user can be through the countershaft and the connection of adjusting the main shaft, carry out rotation regulation between bedplate and the back chassis, in order to adjust to suitable angle, the adjusting bolt that will adjust main shaft both ends distribution again is rotatory to be twisted into the inside of adjusting main shaft and countershaft, let swivelling joint between it fixed, thereby reach the process of carrying out angle modulation according to different user demands, when feeling the back board height in good time, the accessible expansion bracket is increaseed or is reduced its back board, in order to adapt to the crowd of different heights, promote whole flexibility.

Description

Office chair with adjustable backrest angle and height

Technical Field

The utility model relates to the technical field of seats, in particular to an office chair with adjustable backrest angle and height.

Background

The chair is a seat with a backrest and armrests, and is divided into dining tables and chairs, office chairs, car seats and the like according to different use types, the office chairs refer to various chairs which are convenient to work in daily work and social activities, the narrow office chair refers to a backrest chair on which a person sits when working on a table in a sitting posture state, the generalized office chair is all chairs used in offices, and the office chairs belong to office chairs, and are the most widely used chairs in offices.

Staff's chair in use in the market at present, because most seat itself does not possess the regulatory function of back angle, generally all need keep the position of sitting state for a long time in office environment, this makes most people's seat user state convenient not enough, and itself back does not possess high regulatory function yet, can't correspond different crowds heights and adjust, for this reason, we provide an adjustable back angle and high staff's chair.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an employee's chair of adjustable back angle and height to solve and to provide in the above-mentioned background art because most seat itself does not possess the regulatory function of back angle, generally all need keep the position of sitting state for a long time in office environment, this makes most people's seat user state convenient inadequately, and itself the back does not possess high regulatory function yet, can't correspond the problem that different crowd's height was adjusted.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an employee's chair of adjustable back angle and height, includes main part height control mechanism, back angle adjustment mechanism and block replacement mechanism, main part height control mechanism's one end is connected with back angle adjustment mechanism, and main part height control mechanism's top is provided with block replacement mechanism, back angle adjustment mechanism includes the bedplate, adjusts main shaft, countershaft, adjusting bolt, backrest chassis, expansion bracket, back board and weaves the cloth layer, and the one end of bedplate is connected with the regulation main shaft, the both ends of adjusting the main shaft are provided with the countershaft, and the inside of just adjusting main shaft, countershaft is provided with adjusting bolt, one side of adjusting the main shaft is connected with the backrest chassis, and the both ends of backrest chassis are provided with the expansion bracket, the top of expansion bracket is provided with the back board, and the outer wall all around of expansion bracket is provided with weaves the cloth layer.

Furthermore, the seat plate forms a rotating structure with the backrest chassis through the auxiliary shaft and the adjusting main shaft, and the adjusting bolt is in threaded connection with the auxiliary shaft and the adjusting main shaft.

Furthermore, the backrest plate and the backrest bottom frame form an expansion structure through an expansion frame, and the fabric layer is attached to the expansion frame.

Further, the main body height adjusting mechanism comprises a base frame, a lifting cylinder, a chassis and a roller frame, wherein the lifting cylinder is arranged at the bottom end of the base frame, the chassis is arranged at the bottom end of the lifting cylinder, and the roller frame is distributed on the peripheral outer wall of the chassis.

Furthermore, the base frame forms elevation structure through lift cylinder and chassis, and the gyro wheel frame distributes along chassis outer wall equidistance all around.

Further, block replacement mechanism includes seat pad board, draw-in groove, cushion and cardboard, and the top surface of seat pad board has seted up the draw-in groove, the top of draw-in groove is provided with the cushion, and the bottom of cushion is provided with the cardboard.

Furthermore, the seat cushion plate forms a buckle structure with the seat cushion through the clamping groove, the clamping plate, and the peripheral size of the seat cushion plate is matched with the peripheral size of the seat cushion plate.

Compared with the prior art, the beneficial effects of the utility model are that: this staff's chair of adjustable back angle and height, in the use of this staff's chair, the user can carry out rotation regulation between bedplate and the back chassis through the countershaft and the being connected of adjusting the main shaft to adjust to suitable angle, again will adjust the inside of adjusting main shaft and countershaft is twisted into in the adjusting bolt rotation that the main shaft both ends distribute, let swivelling joint between it fixed, thereby reach the process of carrying out angle modulation according to different user demands, let the use have more the flexibility.

When the user feels that the height of the backrest plate is not proper in the using process, the backrest plate can be heightened or lowered through the telescopic frame to adapt to people with different heights, and the comfort level of the backrest can be kept under the condition that the height adjustment is not influenced by the mode that the telescopic frame wraps the woven fabric layer.

In the use of this office chair, the height of user's accessible lift cylinder regulation seat to adapt to different position of sitting and use height, the chassis that cooperates the bottom to set up simultaneously can let the gyro wheel frame that distributes along chassis outer wall all around for whole provide put with support and stability in the use, the gyro wheel that sets up bottom gyro wheel frame one end simultaneously can make things convenient for the removal of this office chair, promotes the convenience.

This clerk chair can be according to the difference of temperature in season when using, and the buckle structure that the cushion board passes through draw-in groove, cardboard and cushion and constitutes is dismantled its cushion, and the cushion replacement equipment of different materials and thickness is chosen to the same structure of rethread, at the optional summer sleeping mat cushion of high temperature weather, the sponge cushion of optional thickening in low temperature promotes selectivity and suitable comfort level.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the backrest angle adjusting mechanism of the present invention;

FIG. 3 is a schematic view of a partial internal structure of the backrest angle adjusting mechanism of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the clamping replacement mechanism of the present invention.

In the figure: 1. a main body height adjusting mechanism; 101. a base frame; 102. a lifting cylinder; 103. a chassis; 104. a roller frame; 2. a backrest angle adjusting mechanism; 201. a seat plate; 202. adjusting the main shaft; 203. a counter shaft; 204. adjusting the bolt; 205. a backrest chassis; 206. a telescopic frame; 207. a back board; 208. weaving a cloth layer; 3. a snap-in replacement mechanism; 301. a seat cushion plate; 302. a card slot; 303. a cushion; 304. and (4) clamping the board.

Detailed Description

As shown in fig. 1, an employee's chair with adjustable backrest angle and height comprises: a main body height adjusting mechanism 1; one end of the main body height adjusting mechanism 1 is connected with a backrest angle adjusting mechanism 2, the top end of the main body height adjusting mechanism 1 is provided with a clamping replacing mechanism 3, the main body height adjusting mechanism 1 comprises a base frame 101, a lifting cylinder 102, a chassis 103 and a roller frame 104, the bottom end of the base frame 101 is provided with the lifting cylinder 102, the bottom end of the lifting cylinder 102 is provided with the chassis 103, the roller frame 104 is distributed on the peripheral outer wall of the chassis 103, the base frame 101 and the chassis 103 form a lifting structure through the lifting cylinder 102, the roller frame 104 is distributed along the peripheral outer wall of the chassis 103 at equal intervals, in the use of the office chair, a user can adjust the height of the chair through the lifting cylinder 102 to adapt to different sitting postures and using heights, the chassis 103 arranged at the bottom end is matched, the roller frame 104 distributed along the peripheral outer wall of the chassis 103 can provide support and stability in the placing and using for the whole, meanwhile, the rollers arranged at the bottom of one end of the roller frame 104 can facilitate the movement of the office chair, and convenience is improved.

As shown in fig. 2-3, a clerk's chair capable of adjusting the angle and height of the backrest, the backrest angle adjusting mechanism 2 comprises a seat plate 201, an adjusting main shaft 202, a secondary shaft 203, an adjusting bolt 204, a backrest chassis 205, a telescopic frame 206, a backrest plate 207 and a woven fabric layer 208, and one end of the seat plate 201 is connected with an adjusting main shaft 202, two ends of the adjusting main shaft 202 are provided with auxiliary shafts 203, and adjusting bolts 204 are arranged inside the adjusting main shaft 202 and the auxiliary shaft 203, one side of the adjusting main shaft 202 is connected with a backrest underframe 205, and both ends of the backrest underframe 205 are provided with telescopic frames 206, the top end of the telescopic frame 206 is provided with a backrest plate 207, and the outer wall of the periphery of the telescopic frame 206 is provided with a woven fabric layer 208, the seat board 201 forms a rotating structure through the auxiliary shaft 203, the adjusting main shaft 202 and the backrest underframe 205, the adjusting bolt 204 is in threaded connection with the auxiliary shaft 203 and the main adjusting shaft 202, in the use of the employee chair, the user can adjust the rotation between the seat plate 201 and the backrest base frame 205 by connecting the auxiliary shaft 203 with the main adjusting shaft 202, so as to adjust to a proper angle, the adjusting bolts 204 distributed at the two ends of the adjusting main shaft 202 are screwed into the adjusting main shaft 202 and the auxiliary shaft 203 in a rotating way, the adjusting main shaft 202 and the auxiliary shaft 203 are connected and fixed in a rotating way, thereby achieving the process of angle adjustment according to different use requirements and making the use process more flexible, the backrest plate 207 forms a telescopic structure with the backrest underframe 205 through the telescopic frame 206, and the fabric layer 208 is attached to the expansion bracket 206, when the backrest 207 is sensed to be untimely in height during use, the backrest board 207 can be heightened or lowered through the telescopic frame 206 to adapt to people with different heights, and the comfort degree of the backrest can be kept through the mode that the telescopic frame 206 wraps the fabric layer 208 without affecting height adjustment.

As shown in fig. 4, an office chair of adjustable back angle and height, block replacement mechanism 3 includes seat pad board 301, draw-in groove 302, cushion 303 and cardboard 304, and draw-in groove 302 has been seted up to seat pad board 301's top, the top of draw-in groove 302 is provided with cushion 303, and the bottom of cushion 303 is provided with cardboard 304, seat pad board 301 passes through draw-in groove 302, cardboard 304 constitutes buckle structure with cushion 303, and cushion 303 size all around and seat pad board 301 size phase-match, this office chair can be according to the difference of season temperature when using, through seat pad board 301 through draw-in groove 302, the buckle structure that cardboard 304 and cushion 303 constitute, dismantle its cushion 303, the rethread same structure is with the cushion 303 replacement equipment of different materials and thickness, at the optional summer sleeping mat of high temperature weather, the cushion that can select the thickening in low temperature, promote selectivity and be suitable for comfort.

In summary, when the employee chair with adjustable backrest angle and height is used, firstly, in the use of the employee chair, a user can adjust the height of the chair through the lifting cylinder 102 to adapt to different sitting postures and use heights, meanwhile, the roller frames 104 distributed along the peripheral outer wall of the chassis 103 can provide support and stability for the whole arrangement and use by matching with the chassis 103 arranged at the bottom end, meanwhile, the rollers arranged at the bottom of one end of the roller frame 104 can facilitate the movement of the employee chair, so that the convenience is improved, in the use of the employee chair, the user can rotationally adjust the seat board 201 and the backrest underframe 205 through the connection of the auxiliary shaft 203 and the adjusting main shaft 202 to adjust to a proper angle, then the adjusting bolts 204 distributed at the two ends of the adjusting main shaft 202 are rotationally screwed into the adjusting main shaft 202 and the auxiliary shaft 203 to be rotationally connected and fixed, so that the angle adjustment process according to different use requirements is achieved, the use process is more flexible, when the height of the backrest board 207 is not proper, the backrest board 207 can be adjusted to be increased or decreased through the telescopic frame 207 to adapt to the seat cushion structure, the seat cushion structure can be selectively adjusted to be suitable for people with different heights, the temperature, the seat cushion 301 and the cushion 303, the seat cushion can be adjusted by selectively replacing the seat cushion structure under different seasons, the conditions of the high temperature, the seat cushion 301 and the seat cushion 303, the seat cushion 301, the seat cushion structure can be adjusted by the telescopic frame 302, the telescopic structure, the seat cushion structure, the telescopic seat cushion structure, the seat.

Claims

1. The utility model provides an employee's chair of adjustable back angle and height, includes main part height regulating mechanism (1), back angle regulating mechanism (2) and block replacement mechanism (3), its characterized in that: one end of the main body height adjusting mechanism (1) is connected with a backrest angle adjusting mechanism (2), the top end of the main body height adjusting mechanism (1) is provided with a clamping replacing mechanism (3), the backrest angle adjusting mechanism (2) comprises a seat plate (201), an adjusting main shaft (202), an auxiliary shaft (203), an adjusting bolt (204), a backrest bottom frame (205), an expansion bracket (206), a backrest plate (207) and a woven fabric layer (208), one end of the seat plate (201) is connected with the adjusting main shaft (202), the two ends of the adjusting main shaft (202) are provided with the auxiliary shaft (203), the adjusting bolt (204) is arranged inside the adjusting main shaft (202) and the auxiliary shaft (203), one side of the adjusting main shaft (202) is connected with the backrest bottom frame (205), the two ends of the backrest bottom frame (205) are provided with the expansion bracket (206), the top end of the expansion bracket (206) is provided with the backrest plate (207), and the outer wall of the periphery of the expansion bracket (206) is provided with the woven fabric layer (208).

2. An employee chair according to claim 1 wherein the angle and height of the back rest is adjustable by: the seat plate (201) forms a rotating structure with the backrest chassis (205) through the auxiliary shaft (203), the adjusting main shaft (202), and the adjusting bolt (204) is in threaded connection with the auxiliary shaft (203) and the adjusting main shaft (202).

3. An employee chair according to claim 1 wherein the angle and height of the back rest is adjustable by: the backrest plate (207) and the backrest bottom frame (205) form an expansion structure through an expansion bracket (206), and the fabric layer (208) is attached to the expansion bracket (206).

4. An employee chair according to claim 1 wherein the angle and height of the back rest is adjustable by: the main body height adjusting mechanism (1) comprises a base frame (101), a lifting cylinder (102), a chassis (103) and roller frames (104), wherein the lifting cylinder (102) is arranged at the bottom end of the base frame (101), the chassis (103) is arranged at the bottom end of the lifting cylinder (102), and the roller frames (104) are distributed on the peripheral outer wall of the chassis (103).

5. An employee chair with adjustable back angle and height according to claim 4, wherein: the base frame (101) and the chassis (103) form a lifting structure through a lifting cylinder (102), and the roller frames (104) are distributed at equal intervals along the peripheral outer wall of the chassis (103).

6. An employee chair with adjustable back angle and height according to claim 1, wherein: block replacement mechanism (3) include seat pad board (301), draw-in groove (302), cushion (303) and cardboard (304), and draw-in groove (302) have been seted up to the top surface of seat pad board (301), the top of draw-in groove (302) is provided with cushion (303), and the bottom of cushion (303) is provided with cardboard (304).

7. An employee chair with adjustable back angle and height according to claim 6, wherein: seat backing board (301) constitute buckle structure through draw-in groove (302), cardboard (304) and cushion (303), and cushion (303) size all around and seat backing board (301) size phase-match all around.