CN222622540U - Office chair with liftable backrest - Google Patents
Office chair with liftable backrest Download PDFInfo
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- CN222622540U CN222622540U CN202421544957.8U CN202421544957U CN222622540U CN 222622540 U CN222622540 U CN 222622540U CN 202421544957 U CN202421544957 U CN 202421544957U CN 222622540 U CN222622540 U CN 222622540U
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- office chair
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Abstract
本实用新型提供一种靠背可升降的办公椅，包括椅座和靠背，靠背的下部安装有凸起海绵垫，椅座的底部固定安装有支撑壳体，支撑壳体的后侧壁上延伸设置有弧度支板，弧度支板的顶部连接有位于椅座后侧的胶壳板，胶壳板的倾斜度与靠背后侧壁弯曲弧度相同，且胶壳板不与靠背相连接，支板的下侧壁还安装有第一气压伸缩支件，第一气压伸缩支件的伸缩端与靠背后侧壁的下部相连接。通过本实用新型的一种靠背可升降的办公椅，通过第一气压伸缩支件带动靠背进行升降，改变靠背上凸起海绵垫的高度，方便使用人员调节凸起海绵垫的高度，对不同身高的使用人员腰部进行有力支撑，保证使用人员的舒适感。
The utility model provides an office chair with a liftable backrest, comprising a seat and a backrest, a raised sponge pad installed at the lower part of the backrest, a support shell fixedly installed at the bottom of the seat, an arc support plate extending from the rear side wall of the support shell, a plastic shell plate located at the rear side of the seat connected to the top of the arc support plate, the inclination of the plastic shell plate is the same as the curvature of the rear side wall of the backrest, and the plastic shell plate is not connected to the backrest, and a first gas pressure telescopic support is also installed on the lower side wall of the support plate, and the telescopic end of the first gas pressure telescopic support is connected to the lower part of the rear side wall of the backrest. Through the utility model of an office chair with a liftable backrest, the backrest is driven to lift and lower by the first gas pressure telescopic support, the height of the raised sponge pad on the backrest is changed, and the user is convenient to adjust the height of the raised sponge pad, and the waist of users of different heights is strongly supported, ensuring the comfort of the user.
Description
Technical Field
The utility model belongs to the technical field of office chairs, and particularly relates to an office chair with a liftable backrest.
Background
Office chairs are continuously evolved to adapt to the improvement of the modern working environment on human health, working efficiency and aesthetic requirements, the design of the office chairs is more and more focused on conforming to the principle of ergonomics, and the office chairs aim to reduce the physical burden brought by long-time sitting work, such as lumbago, backache, cervical vertebra discomfort and other problems. This includes adjustable seat height, back tilt angle, seat cushion depth, armrest position, etc. to accommodate different size users.
According to ergonomic's design on the back of office chair, often there is the arch of certain position to the demand of adaptation office personnel jack-up back, office personnel of different heights have different high demands to the arch on the office chair back, traditional office chair back protruding position often sets up to fixed position, and can not adjust, to the people that the height is too low or too high, when working on the office chair, sedentary can cause certain damage to the waist, increases user's tired out and feel.
Therefore, in order to facilitate the adjustment of the height of the backrest, so that the office chair meets the requirements of users, an office chair with a liftable backrest is needed to solve the existing problems.
Disclosure of utility model
In view of the above, the utility model provides an office chair with a liftable backrest, which drives the backrest to lift through the first pneumatic telescopic support, changes the height of the raised foam-rubber cushion on the backrest, is convenient for a user to adjust the height of the raised foam-rubber cushion, and can forcefully support the waist of the user with different heights, thereby ensuring the comfort of the user.
In order to solve the technical problems, the technical scheme includes that the office chair with the liftable backrest comprises a chair seat and the backrest, a raised sponge cushion is arranged at the lower part of the backrest, a supporting shell is fixedly arranged at the bottom of the chair seat, an arc support plate is arranged on the rear side wall of the supporting shell in an extending mode, the top of the arc support plate is connected with a rubber shell plate positioned at the rear side of the chair seat, the inclination of the rubber shell plate is the same as the bending radian of the rear side wall of the backrest, the rubber shell plate is not connected with the backrest, a first pneumatic telescopic support is further arranged on the lower side wall of the support plate, the telescopic end of the first pneumatic telescopic support is connected with the lower part of the rear side wall of the backrest, namely, the raised sponge cushion supports the waist of a user, namely, the supporting shell supports the side wall of the arc support plate, namely, the first pneumatic telescopic support drives the backrest to lift, the chair seat is not connected with the backrest, and the height of the backrest is convenient to adjust.
The top of the backrest is also provided with a bearing base, and the bearing base is provided with a sponge headrest through a circular ring, namely the bearing base can enable the sponge headrest to conduct angle adjustment through the circular ring, namely the sponge headrest can support the head of a user.
Armrests are symmetrically arranged on the left side wall and the right side wall of the chair seat, namely the armrests are convenient for users to place arms.
The second air pressure telescopic support is arranged at the bottom of the chair seat, the other end of the second air pressure telescopic support is fixedly provided with supporting legs, the supporting legs are distributed in a circular ring array, namely, the supporting legs support the office chair, namely, the second air pressure telescopic support drives the chair seat to lift and lower, and the height is adjusted.
The bottom of the supporting leg is also provided with a travelling wheel, namely the travelling wheel is convenient for a user to move the office chair.
When the office chair is used, people with different heights can directly grasp the two sides of the backrest by hands, the backrest of the office chair is lifted upwards, the backrest moves up and down under the drive of the first pneumatic telescopic support, and meanwhile, the raised foam-rubber cushion is positioned at different heights to support the waist of people with different heights.
Compared with the prior art, the utility model has the following beneficial effects:
The backrest is driven to lift through the first pneumatic telescopic support, the height of the raised foam cushion is changed, the height of the raised foam cushion is adjusted by a user conveniently, the raised foam cushion is more suitable for leaning postures for people with too high or too low height, the waist of the user is supported forcefully, and the comfort of the user is guaranteed.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a schematic three-dimensional structure of the present utility model;
FIG. 3 is a schematic three-dimensional structure of the present utility model;
Fig. 4 is a schematic view of a partial enlarged structure of fig. 1 according to the present utility model.
In the figure, 101, a seat, 102, a backrest, 103, a convex foam cushion, 104, a supporting shell, 105, an arc support plate, 106, a rubber shell plate and 107, a first pneumatic telescopic support;
201. The device comprises a bearing base, 202, a sponge headrest, 203, armrests, 204, a second pneumatic telescopic support, 205, support legs, 206 and travelling wheels.
Detailed Description
For a better understanding of the present utility model, the following examples are set forth to further illustrate the utility model, but are not to be construed as limiting the utility model. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details.
As shown in fig. 1-4, an office chair with a liftable backrest comprises a chair seat 101 and a backrest 102, wherein a raised foam cushion 103 is arranged at the lower part of the backrest 102, a supporting shell 104 is fixedly arranged at the bottom of the chair seat 101, an arc supporting plate 105 is arranged on the rear side wall of the supporting shell 104 in an extending mode, the top of the arc supporting plate 105 is connected with a rubber shell plate 106 positioned at the rear side of the chair seat 101, the rubber shell plate 106 is fixedly arranged at the top of the arc supporting plate 105, the inclination of the rubber shell plate 106 is the same as the bending radian of the rear side wall of the backrest 102, the rubber shell plate 106 is not connected with the backrest 102, a first air pressure telescopic supporting piece 107 is further arranged at the lower side wall of the supporting plate, the telescopic end of the first air pressure telescopic supporting piece 107 is connected with the lower part of the rear side wall of the backrest 102, namely the raised foam cushion 103 supports the waist of a user, namely the supporting shell 104 supports the side wall of the arc supporting plate 105, namely the first air pressure telescopic supporting piece 107 drives the backrest 102 to lift, and further changes the height of the raised foam cushion 103, the height of the user can be conveniently adjusted, the height of the raised foam cushion 103 is more convenient, the user can feel the height of the backrest 102 when the user is too high, and the person is more convenient to adjust the height of the seat or the seat is more convenient to use, and the person is more comfortable to the person and the person is in the height with the height.
As shown in fig. 4, the top of the backrest is also provided with a bearing base 201, and the bearing base is provided with a sponge headrest 202 through a circular ring, namely, the bearing base 201 can enable the sponge headrest 202 to perform angle adjustment through the circular ring, so that comfort in use is improved, namely, the sponge headrest 202 can support the head of a user.
As shown in fig. 1 and 2, the left and right side walls of the seat 101 are symmetrically provided with armrests 203, i.e. the armrests 203 facilitate the placement of the arms by a user.
As shown in fig. 3, a second air pressure telescopic support 204 is installed at the bottom of the seat 101, and a supporting leg 205 is fixedly installed at the other end of the second air pressure telescopic support 204, wherein the supporting legs 205 are distributed in a circular ring array, that is, the supporting legs 205 support the office chair, that is, the second air pressure telescopic support 204 drives the seat 101 to lift and lower, and the height is adjusted. The bottom of the leg 205 is also provided with a walking wheel 206, i.e. the walking wheel 206 facilitates the movement of the office chair by a user.
The working principle is that when the office chair is used, people with different heights can directly grasp two sides of the backrest 102 by hands, the backrest 102 of the office chair is lifted upwards, the backrest 102 is driven by the first pneumatic telescopic support 107 to move up and down, and meanwhile, the raised foam-rubber cushion 103 is positioned at different heights to support the waist of people with different heights.
In addition, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421544957.8U CN222622540U (en) | 2024-07-02 | 2024-07-02 | Office chair with liftable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421544957.8U CN222622540U (en) | 2024-07-02 | 2024-07-02 | Office chair with liftable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222622540U true CN222622540U (en) | 2025-03-18 |
Family
ID=94968481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421544957.8U Active CN222622540U (en) | 2024-07-02 | 2024-07-02 | Office chair with liftable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222622540U (en) |
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2024
- 2024-07-02 CN CN202421544957.8U patent/CN222622540U/en active Active
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