CN217771846U

CN217771846U - Office chair with pulley convenient to replace

Info

Publication number: CN217771846U
Application number: CN202221889418.9U
Authority: CN
Inventors: 沈国梁
Original assignee: Zhejiang Dadong Chair Industry Co ltd
Current assignee: Zhejiang Dadong Chair Industry Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-11
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a conveniently change office chair of pulley relates to office chair technical field, including chair body, neck pillow, pulley, the support is installed through the telescopic link in the bottom of chair body, one side of support is provided with the installing frame, the inside one side fixedly connected with second spring of installing frame, the one end fixedly connected with fixture block of second spring, the top of pulley is provided with the connecting plate, the draw-in groove has been seted up to the inside of connecting plate one side. The utility model discloses a block mechanism that sets up because fixture block and installing frame pass through second spring elastic connection, and the tip of fixture block is the arc for can make the fixture block break away from the draw-in groove through pulling the pulley downwards hard, alright make connecting plate and installing frame separation this moment, thereby realize the dismantlement to the pulley, when installing the pulley, only need reverse operation can, make the change of pulley comparatively convenient laborsaving, efficiency is higher.

Description

Office chair with pulley convenient to replace

Technical Field

The utility model relates to an office chair technical field specifically is a conveniently change office chair of pulley.

Background

The main surface material of the office chair adopts high-quality breathable net cloth, the net surface has good glossiness, is soft and rich in toughness, has moderate thickness, strong breathability and soft hand feeling and is rich in toughness. The backrest of the office chair is designed according to ergonomics, discomfort of the waist and the back after long-time sitting can be reduced, humanized care is embodied at the seat, the seat cushion is modern aesthetic, the high-density shaped sponge is adopted, the softness and hardness are moderate, the rebound resilience is good, the seat cushion is not deformed, the sitting feeling is comfortable, and the inner layer is molded.

At present, the pulley is installed mostly to office chair's bottom, can increase office chair's functionality for office chair's removal is comparatively convenient laborsaving, and the noise is less. However, the pulley of the existing office chair is easy to damage, and the pulley is troublesome to replace.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a conveniently change office chair of pulley to solve the comparatively troublesome technical problem of pulley change of current office chair.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a conveniently change office chair of pulley, includes chair body, neck pillow, pulley, the support is installed through the telescopic link in the bottom of chair body, one side of support is provided with the installing frame, the inside one side fixedly connected with second spring of installing frame, the one end fixedly connected with fixture block of second spring, the top of pulley is provided with the connecting plate, the draw-in groove has been seted up to the inside of connecting plate one side, the connecting plate passes through fixture block, draw-in groove joint with the installing frame under the effect of second spring.

Through adopting above-mentioned technical scheme, because fixture block and installing frame pass through second spring elastic connection for can make the fixture block break away from the draw-in groove through downwards pulling the pulley hard, alright make connecting plate and installing frame separation this moment, thereby realize the dismantlement to the pulley, when installing the pulley, only need reverse operation can, make the change of pulley comparatively convenient laborsaving, efficiency is higher.

The utility model discloses further set up to, the tip of fixture block is the arc.

Through adopting above-mentioned technical scheme, can be convenient for make the fixture block break away from the draw-in groove through pulling the pulley downwards hard, can be convenient for simultaneously make the fixture block card go into the draw-in groove through upwards promoting the pulley hard.

The utility model discloses further set up to, the adjustment tank has been seted up to the inside on chair body top, the bottom fixedly connected with regulating plate of neck pillow, the neck pillow passes through regulating plate, adjustment tank with the chair body and constitutes sliding construction.

By adopting the technical scheme, the height of the neck pillow can be adjusted by adjusting the position of the adjusting plate in the adjusting groove.

The utility model discloses further set up to, the inside of chair body one side is provided with the locating lever that extends to the adjustment tank inside, the outside cover of locating lever is equipped with first spring, the multiunit constant head tank has been seted up to the inside of regulating plate one side, the regulating plate passes through locating lever, constant head tank joint with the adjustment tank.

Through adopting above-mentioned technical scheme, can realize adjusting the location between back regulating plate and the adjustment tank.

The utility model discloses further set up to, the bottom of locating lever one side is provided with the inclined plane, the locating lever constitutes elastic construction through first spring with the chair body.

By adopting the technical scheme, the convenience of the neck pillow during height adjustment can be improved.

The utility model is further arranged in that the top ends of the chair body and the neck pillow are all provided with cotton pads.

By adopting the technical scheme, the comfort in the use process can be improved.

To sum up, the utility model discloses mainly have following beneficial effect:

1. through the arranged clamping mechanism, the clamping block is elastically connected with the mounting frame through the second spring, and the end part of the clamping block is arc-shaped, so that the clamping block can be separated from the clamping groove by pulling the pulley downwards with force, the connecting plate can be separated from the mounting frame at the moment, the pulley is disassembled, and when the pulley is mounted, only reverse operation is needed, so that the pulley is convenient and labor-saving to replace, and the efficiency is high;

2. through the regulating plate that sets up, the adjustment tank, positioning mechanism, because the locating lever passes through first spring elastic connection with the chair body, and the one end of locating lever is provided with the inclined plane, make when the height of needs upwards regulation neck pillow, only need upwards stimulate the neck pillow with strength alright make the locating lever break away from the constant head tank, when adjusting to suitable height, the locating lever card goes into the constant head tank under the effect of first spring, thereby realize adjusting the location between back regulating plate and the adjustment tank, when the height of needs downwards regulation neck pillow, through outside pulling locating lever and make it break away from the constant head tank, this moment alright adjust the neck pillow to suitable height, later loosen the locating lever and make its card go into the constant head tank under the effect of first spring, thereby realize adjusting the location between back regulating plate and the adjustment tank, this office chair can be convenient for realize the regulation of the height of neck pillow, make can increase the convenience when using.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of B of FIG. 1 according to the present invention;

fig. 4 is a rear view of the present invention;

fig. 5 is a schematic perspective view of the chair body of the present invention.

In the figure: 1. a chair body; 2. a neck pillow; 3. an adjusting plate; 4. an adjustment groove; 5. a positioning mechanism; 501. positioning a rod; 502. a first spring; 503. positioning a groove; 6. a telescopic rod; 7. a support; 8. installing a frame; 9. a clamping mechanism; 901. a second spring; 902. a clamping block; 903. a card slot; 10. a pulley; 11. a connecting plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

An office chair with pulleys convenient to replace is shown in figures 1-5 and comprises a chair body 1, a neck pillow 2, pulleys 10, a positioning mechanism 5 and a clamping mechanism 9, wherein the positioning mechanism 5 is arranged inside the top end of one side of the chair body 1, the positioning mechanism 5 can realize positioning between an adjusting plate 3 and an adjusting groove 4 after adjustment, the clamping mechanism 9 is arranged inside an installation frame 8, and the clamping mechanism 9 can enable the pulleys 10 to be installed and detached conveniently and efficiently.

Positioning mechanism 5 includes locating lever 501, and the outside cover of locating lever 501 is equipped with first spring 502, and multiunit constant head tank 503 has been seted up to the inside of regulating plate 3 one side, and regulating plate 3 passes through locating lever 501, constant head tank 503 joint with regulating groove 4, can realize adjusting the location between back regulating plate 3 and the regulating groove 4. The type and size of the first spring 502 can be selected and set according to actual needs and spring characteristics, which improves the stability of the positioning mechanism 5.

The top ends of the chair body 1 and the neck pillow 2 are provided with cotton pads, so that the comfort in the use process can be improved.

Adjustment tank 4 has been seted up to the inside on 1 top of chair body, and the bottom fixedly connected with regulating plate 3 of neck pillow 2, neck pillow 2 and chair body 1 constitute sliding structure through regulating plate 3, adjustment tank 4, can make the height of neck pillow 2 adjusted through the position of regulating plate 3 in adjustment tank 4.

Block mechanism 9 includes second spring 901, the one end fixedly connected with fixture block 902 of second spring 901, support 7 is installed through telescopic link 6 in the bottom of chair body 1, one side of support 7 is provided with installing frame 8, the top of pulley 10 is provided with connecting plate 11, draw-in groove 903 has been seted up to the inside of connecting plate 11 one side, connecting plate 11 passes through fixture block 902, draw-in groove 903 joint with installing frame 8 under the effect of second spring 901, can make pulley 10's installation and dismantlement comparatively convenient, efficiency is higher. The types and sizes of the second springs 901 can be selected and set according to actual needs and spring characteristics, and a damper can be further disposed inside each second spring 901 to eliminate vibration of the spring itself, thereby improving stability of the engaging mechanism 9.

The end portion of the latch 902 is arc-shaped, so that the latch 902 can be easily separated from the latch 903 by pulling the pulley 10 downward with force, and the latch 902 can be easily latched in the latch 903 by pushing the pulley 10 upward with force.

The bottom end of one side of the positioning rod 501 is provided with an inclined surface, and the positioning rod 501 and the chair body 1 form an elastic structure through the first spring 502, so that the convenience of the neck pillow 2 during height adjustment can be improved.

The utility model discloses a theory of operation does: during the use, because fixture block 902 and installing frame 8 pass through second spring 901 elastic connection, and the tip of fixture block 902 is the arc, make can make fixture block 902 break away from draw-in groove 903 through pulling pulley 10 downwards hard, this moment alright make connecting plate 11 and installing frame 8 separate, thereby realize the dismantlement to pulley 10, when installing pulley 10, only need reverse operation can, because locating lever 501 and chair body 1 pass through first spring 502 elastic connection, and the one end of locating lever 501 is provided with the inclined plane, make when needing upwards to adjust the height of neck pillow 2, only need upwards to pull neck pillow 2 with strength and alright make locating lever 501 break away from constant head tank 503, when adjusting to suitable height, locating lever 501 blocks into constant head tank 503 under the effect of first spring 502, thereby realize the location between regulation back regulating plate 3 and the regulating flume 4, when needing downwards to adjust the height of neck pillow 2, through outwards pulling locating lever 501 and alright make it break away from constant head tank 503, this moment adjusts convenient height to the convenient chair that the neck pillow can increase of adjustment between the constant head tank 503 under the effect of first spring 502 later unclamping and making.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a conveniently change office chair of pulley, includes chair body (1), neck pillow (2), pulley (10), its characterized in that: support (7) are installed through telescopic link (6) in the bottom of chair body (1), one side of support (7) is provided with installing frame (8), one side fixedly connected with second spring (901) of installing frame (8) inside, one end fixedly connected with fixture block (902) of second spring (901), the top of pulley (10) is provided with connecting plate (11), draw-in groove (903) have been seted up to the inside of connecting plate (11) one side, connecting plate (11) and installing frame (8) are through fixture block (902), draw-in groove (903) joint under the effect of second spring (901).

2. An office chair with convenient replacement of the pulley according to claim 1, wherein: the end part of the clamping block (902) is arc-shaped.

3. An office chair with convenient replacement of the pulley according to claim 1, wherein: adjustment tank (4) have been seted up to the inside on chair body (1) top, the bottom fixedly connected with regulating plate (3) of neck pillow (2), neck pillow (2) pass through regulating plate (3), adjustment tank (4) with chair body (1) and constitute sliding structure.

4. An office chair with convenient replacement of the pulley according to claim 3, wherein: the inside of chair body (1) one side is provided with and extends to inside locating lever (501) of adjustment tank (4), the outside cover of locating lever (501) is equipped with first spring (502), multiunit constant head tank (503) have been seted up to the inside of regulating plate (3) one side, regulating plate (3) and adjustment tank (4) are through locating lever (501), constant head tank (503) joint.

5. An office chair with convenient replacement of the pulley according to claim 4, wherein: the bottom of one side of the positioning rod (501) is provided with an inclined plane, and the positioning rod (501) and the chair body (1) form an elastic structure through a first spring (502).

6. An office chair with conveniently replaced pulleys as claimed in any one of claims 1 to 5, wherein: the top ends of the chair body (1) and the neck pillow (2) are provided with cotton pads.