CN212521275U - Office chair with adjustable backrest - Google Patents
Office chair with adjustable backrest Download PDFInfo
- Publication number
- CN212521275U CN212521275U CN202020209044.6U CN202020209044U CN212521275U CN 212521275 U CN212521275 U CN 212521275U CN 202020209044 U CN202020209044 U CN 202020209044U CN 212521275 U CN212521275 U CN 212521275U
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- CN
- China
- Prior art keywords
- chair
- seat
- base plate
- adjustable
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an office chair with adjustable back, which comprises a chair seat and a chair back, wherein the chair back is connected with the chair seat through an adjusting shaft, the chair back is provided with a back board in a penetrating way, the inner side of the chair back is provided with a groove for the back board to be arranged and to move up and down, a base plate is arranged in the chair back, a support rod for connecting the back board is arranged in the base plate in a penetrating way, a second rotating seat is driven by an adjusting cylinder, a telescopic rod body extends and drives a first rotating seat to rotate correspondingly, the height of the back board is manually adjusted, the back board is pushed out from the groove through the support rod, a gap between the waist and the chair back is more attached, the waist is better supported, the waist is not easy to fatigue, the office chair is suitable for long time work, and simultaneously, the height of the back board can be adjusted according to users along the length of the chair back through the arrangement of the, is suitable for different people and heights, and is more beneficial to large-scale popularization.
Description
Technical Field
The utility model belongs to the technical field of office chair and specifically relates to an office chair with adjustable back is related to.
Background
Modern's working strength constantly strengthens, and more time is sitting official working in the office, to the office chair, there is certain clearance in waist and the back of the chair, leads to the waist to obtain better bearing, leads to easy tired under the condition of sitting for a long time, is unfavorable for the cervical vertebra healthy, consequently, is necessary to propose an office chair that has adjustable back.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an office chair with adjustable back to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an office chair with adjustable back, includes the seat support and the back of the chair, the back of the chair with the seat support between be connected through the regulating spindle, the back of the chair run through install the back board, the back of the chair inboard be provided with the confession the back board install with the recess of upper and lower displacement, the back of the chair in install the base plate, the base plate in wear to be equipped with and be used for connecting the bracing piece of back board, the base plate be provided with the confession the bracing piece wear to establish the through-hole channel, the through-hole channel follow the length direction of base plate set up, bracing piece end-to-end connection have flexible adjusting device, seat support bottom install the confession flexible adjusting device driven adjusting cylinder.
As a further technical scheme of the utility model, actuating cylinder rotate the seat through push rod and the terminal second of this flexible adjusting device and be connected, flexible adjusting device include with the terminal flexible body of rod that is connected of bracing piece, the flexible body of rod with the bracing piece between be connected with first rotation seat, the flexible body of rod terminal with the second rotate the seat and be connected.
As a further technical scheme of the utility model, the flexible body of rod be no less than 3 sections.
As a further technical scheme of the utility model, seat support bottom install the support frame, the support frame end be connected with the foot rest, the foot rest be connected with the wheelset.
As a further technical scheme of the utility model, back of the chair top be connected with the headrest support frame, the headrest support frame be connected with headrest and headrest backplate.
As a further technical proposal of the utility model, the chair seat and the chair back are filled with sponge.
The utility model has the advantages that: through the actuating cylinder drive the second rotate the seat, the flexible body of rod extension, and drive first rotation seat corresponding rotation, the height of manual regulation back board to make the back board release through the bracing piece the recess in, space between the waist of more laminating and the back of the chair makes the waist obtain better bearing, be difficult for the fatigue, be fit for long-time official working, simultaneously, make the back board can adjust the height according to the user along the length of the back of the chair through setting up of base plate, be fit for different crowds and height and use, more do benefit to and promote on a large scale.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a usage state diagram of the present invention.
Fig. 3 is a schematic view of the chair back structure of the present invention.
Wherein: the seat comprises a seat 1, a support frame 2, a foot rest 3, a wheel set 4, an adjusting cylinder 5, a push rod 6, a second rotating seat 7, a telescopic rod body 8, a first rotating seat 9, an adjusting shaft 10, a backrest plate 11, a support rod 12, a through hole channel 13, a backrest 14, a groove 15, a headrest support frame 16, a headrest back plate 17, a headrest 18 and a base plate 19.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1-3, an office chair with an adjustable backrest comprises a chair seat 1 and a chair back 14, wherein the chair back 14 is connected with the chair seat 1 through an adjusting shaft 10, the chair back 14 is installed with a backrest plate 11 in a penetrating manner, a groove 15 for the backrest plate 11 to be installed and to move up and down is arranged on the inner side of the chair back 14, a base plate 19 is installed in the chair back 14, a supporting rod 12 for connecting the backrest plate 11 is arranged in the base plate 19 in a penetrating manner, the base plate 19 is provided with a through hole channel 13 for the supporting rod 12 to be arranged in a penetrating manner, the through hole channel 13 is arranged along the length direction of the base plate 19, the tail end of the supporting rod 12 is connected with an adjustable adjusting device, an adjusting cylinder 5 for driving the adjustable adjusting device is installed at the bottom of the chair seat 1, the adjusting cylinder 5 is connected with a second rotating seat 7 at the tail end of the adjustable adjusting device through a push rod 6, the flexible adjusting device include with the bracing piece 12 end the flexible body of rod 8 that is connected, flexible body of rod 8 with bracing piece 12 between be connected with first rotation seat 9, flexible body of rod 8 end with the second rotate the seat 7 and be connected, flexible body of rod 8 be no less than 3 sections, drive through adjusting cylinder 5 the second rotate the seat 7, flexible body of rod 8 extend, and drive first rotation seat 9 corresponding rotation, the height of manual regulation back board 11 to make back board 11 release through bracing piece 12 in recess 15, more laminating the space between waist and the back of the chair 14, make the waist obtain better bearing, be difficult for tired, be fit for long-time official working, simultaneously, make back board 11 can adjust the height according to the user along the length of the back of the chair 14 through setting up of base plate 19, be fit for different crowds and height and use, is more beneficial to large-scale popularization.
Wherein, the adjusting shaft 10 is used for adjusting the inclination of the chair back 14.
Further, 1 bottom of seat support install support frame 2, 2 ends of support frame be connected with foot rest 3, foot rest 3 be connected with wheelset 4, improve its flexibility.
Furthermore, the top of the chair back 14 is connected with a headrest support frame 16, and the headrest support frame 16 is connected with a headrest 18 and a headrest back plate 17, so that the head headrest effect is provided, and the comfort is enhanced.
Furthermore, sponge is filled in the chair seat 1 and the chair back 14, so that the comfort is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (6)
1. The utility model provides an office chair with adjustable back, includes the seat support and the back of the chair, the back of the chair with the seat support between be connected through the regulating spindle, its characterized in that, the back of the chair run through the formula and install the back board, the back of the chair inboard be provided with the confession the back board install with the recess of upper and lower displacement, the back of the chair in install the base plate, the base plate in wear to be equipped with and be used for connecting the bracing piece of back board, the base plate be provided with the confession the bracing piece through-hole channel of wearing to establish, the through-hole channel follow the length direction of base plate set up, bracing piece end-to-end connection have flexible adjusting device, seat support bottom install the confession flexible adjusting device driven adjusting cylinder.
2. An office chair with an adjustable backrest as claimed in claim 1, wherein the adjusting cylinder is connected to the second rotary seat at the end of the telescopic adjusting device via a push rod, the telescopic adjusting device comprises a telescopic rod body connected to the end of the support rod, a first rotary seat is connected between the telescopic rod body and the support rod, and the end of the telescopic rod body is connected to the second rotary seat.
3. An office chair with an adjustable back rest as claimed in claim 2, wherein the telescopic rod body is not less than 3 sections.
4. An office chair with an adjustable backrest as claimed in claim 1, wherein the bottom of the seat is provided with a support frame, the end of the support frame is connected with a foot rest, and the foot rest is connected with a wheel set.
5. An office chair with an adjustable backrest as claimed in claim 1, wherein a headrest support is connected to the top of the backrest, said headrest support being connected to the headrest and the headrest back plate.
6. An office chair with an adjustable back as claimed in claim 1, wherein the seat and back are filled with sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209044.6U CN212521275U (en) | 2020-02-25 | 2020-02-25 | Office chair with adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020209044.6U CN212521275U (en) | 2020-02-25 | 2020-02-25 | Office chair with adjustable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212521275U true CN212521275U (en) | 2021-02-12 |
Family
ID=74526130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020209044.6U Expired - Fee Related CN212521275U (en) | 2020-02-25 | 2020-02-25 | Office chair with adjustable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212521275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113786074A (en) * | 2021-09-24 | 2021-12-14 | 安吉伟誉家具有限公司 | Multifunctional adjustable office chair |
-
2020
- 2020-02-25 CN CN202020209044.6U patent/CN212521275U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113786074A (en) * | 2021-09-24 | 2021-12-14 | 安吉伟誉家具有限公司 | Multifunctional adjustable office chair |
| CN113786074B (en) * | 2021-09-24 | 2022-05-17 | 安吉伟誉家具有限公司 | Multifunctional adjustable office chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |