CN214678333U - Office chair cushion backrest - Google Patents
Office chair cushion backrest Download PDFInfo
- Publication number
- CN214678333U CN214678333U CN202120987976.8U CN202120987976U CN214678333U CN 214678333 U CN214678333 U CN 214678333U CN 202120987976 U CN202120987976 U CN 202120987976U CN 214678333 U CN214678333 U CN 214678333U
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- Prior art keywords
- cushion
- office chair
- frame
- base
- cushion frame
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Abstract
The utility model discloses an office chair cushion back, the utility model discloses a cushion base, back, cushion frame, cushion, wherein the cushion frame is located between cushion and the cushion base, and the lifting screw is connected to the cushion frame, through rotating the lifting screw to the height of adjustment cushion frame makes official working, the rest that the user can be comfortable.
Description
Technical Field
The utility model relates to an office chair cushion backrest, belonging to office furniture parts.
Background
Due to the popularization and continuous development and utilization of office software, it is common to work while sitting for a long time, and thus, there are increasing cases of strain of the neck, shoulder, back and waist. In the seat cushions of the existing office chairs and office chairs, the height of the office chair is fixed, and the inclination angle of the backrest is fixed, so that fatigue, abnormal physiological curvature of the spine and even health damage are easily caused by long-time sitting.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a reasonable in design, simple structure, use comfortable office chair cushion back.
The utility model provides an office chair cushion back, includes cushion frame, cushion base, back, cushion, and the back passes through axis of rotation and cushion base swing joint, and cushion frame is located cushion base upper end and cushion base swing joint, and on the cushion frame was located to the cushion, the cushion was put up and is connected lifting screw, and lifting screw passes through steering mechanism with adjusting screw and is connected, and adjusting screw is connected with adjustment handle.
The adjusting screw support and the adjusting screw tail support are used for fixing the adjusting screw. The lifting screw rod is connected with the cushion frame through a shaft sleeve, and the lifting screw rod is in threaded connection with the shaft sleeve. The cushion base is provided with a lifting screw supporting sleeve, and the lifting screw is connected with the lifting screw supporting sleeve through a bearing.
Ordinary office chair is through installing additional the utility model discloses, can realize the adjustable of seat height, can realize the adjustable of back again to adapt to the people of different heights and use, and realize comfortable official working.
Drawings
Fig. 1 is a schematic view of a structure of a seat back of an office chair. In the figure, 1 is a cushion base, 2 is a backrest, 3 is a rotating shaft, 4 is a cushion frame, 5 is a cushion, 6 is a lifting screw, 7 is an adjusting handle, 8 is an adjusting screw bracket, 9 is an adjusting screw tail support, and 10 is an adjusting screw.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. The utility model provides an office chair cushion back, includes cushion frame 4, cushion base 1, back 2, cushion 5, back 2 is through axis of rotation 3 and cushion base 1 swing joint, cushion frame 4 is located cushion base 1, 4 one ends of cushion frame and cushion base 1 swing joint, cushion 5 is located on cushion frame 4, cushion frame 4 is connected 6 lifting screw of lifting screw 6 and is connected through reversing mechanism with adjusting screw 10, adjusting screw 10 is connected with adjustment handle 7. The adjusting screw 10 is rotated by rotating the adjusting handle 7 to drive the lifting screw 6 to rotate, and the rotation of the lifting screw 6 drives the cushion frame 4 to lift.
As a further optimization, the left side and the right side of the backrest 2 are provided with a back waist and hip supporting side. The back, waist and hip supporting side is arranged forwards and obliquely outwards.
As a further optimization, the seat cushion 5 is detachable from the seat cushion frame 4. The cushion 5 and the cushion frame 4 are connected by a zipper or a thread gluing.
As a further optimization, the lifting screw 6 is connected with the adjusting screw 10 through a reversing gear set or a turbine screw set.
During the use, will the utility model discloses a steady placing of official working chair cushion back is on the official working chair, and the inclination of adjustment back 2 fixes cushion 5 on cushion frame 4, sits on cushion 5, rotates the height to suitable position of adjustment handle 7 adjustment cushion frame 4. When a user needs to have a rest in the office process, the height of the cushion frame 4 and the inclination of the backrest 2 are adjusted again, and the user can lean on the backrest.
When the seasons are changed, the original seat cushion 5 is taken down and replaced by the corresponding seat cushion 5. When the original cushion 5 is dirty, the cushion 5 can be directly taken down for cleaning.
Claims (5)
1. The utility model provides an office chair cushion back, including back (2), cushion (5), its characterized in that still includes cushion base (1) and cushion frame (4), cushion frame (4) are located cushion base (1), back (2) are through axis of rotation (3) and cushion base (1) swing joint, cushion frame (4) one end and cushion base (1) swing joint, lifting screw (6) are connected in cushion frame (4), lifting screw (6) are connected through steering mechanism with adjusting screw (10), adjusting screw (10) are connected with adjustment handle (7), cushion (5) are located on cushion frame (4).
2. An office chair cushion backrest as claimed in claim 1, characterized in that the backrest (2) is provided with back waist and hip support sides on both left and right sides.
3. An office chair cushion back rest as claimed in claim 2, wherein the back waist and hip support sides are disposed forwardly and obliquely outwardly.
4. An office chair cushion backrest as claimed in claim 1, characterized in that the cushion frame (4) and the cushion (5) are detachably connected by a zipper or a thread gluing structure.
5. An office chair cushion back rest according to claim 1, wherein the steering mechanism is a reversing gear set or a worm screw set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120987976.8U CN214678333U (en) | 2021-05-10 | 2021-05-10 | Office chair cushion backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120987976.8U CN214678333U (en) | 2021-05-10 | 2021-05-10 | Office chair cushion backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214678333U true CN214678333U (en) | 2021-11-12 |
Family
ID=78551581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120987976.8U Active CN214678333U (en) | 2021-05-10 | 2021-05-10 | Office chair cushion backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214678333U (en) |
-
2021
- 2021-05-10 CN CN202120987976.8U patent/CN214678333U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |