CN212117632U - Stable office chair with long service life - Google Patents
Stable office chair with long service life Download PDFInfo
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- CN212117632U CN212117632U CN202020317536.7U CN202020317536U CN212117632U CN 212117632 U CN212117632 U CN 212117632U CN 202020317536 U CN202020317536 U CN 202020317536U CN 212117632 U CN212117632 U CN 212117632U
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Abstract
The utility model discloses a long service life's stable form office chair belongs to office chair technical field. Comprises the following steps: the chair comprises a base, armrests, a backrest and a pressure-resistant assembly, wherein the backrest is fixedly connected with the base; the stress plate which protrudes out of the front end surface of the backrest is embedded in the backrest and penetrates through the backrest; the compression-resistant assembly comprises a frame fixed on the edge of the rear end of the backrest and a crossed support shaft; the crossed support shaft is fixed with the inner side wall of the frame, and an elastic block, four sliding blocks arranged at four ends of the elastic block and a first spring are arranged in the crossed support shaft; each first spring is arranged corresponding to one sliding block, each sliding block is connected with a spring block through a second spring, and an elastic block is arranged in the middle of the cross support shaft and penetrates through the front end face of the cross support shaft to be fixed with the stress plate; elastic layers are arranged at the four tail ends in the crossed supporting shaft; the sliding block is embedded with a first magnet, the elastic block is embedded with a second magnet, and the first magnet and the second magnet are magnetically repelled. The utility model discloses have resistance to compression effect, long service life.
Description
Technical Field
The utility model relates to an office chair technical field especially relates to a long service life's stable form office chair.
Background
An office chair refers to various chairs which are convenient for work in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair, the narrow office chair refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a guest-meeting chair, a staff chair, a conference chair, a visitor chair, a training chair and the like.
The conventional office chair has short service life, and the backrest is easy to be stressed and damaged in the long-time use process, so that the investment cost is high, the resources are wasted, and the office chair with long service life is required.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a long service life's stable form office chair is proposed, the utility model discloses have resistance to compression effect, long service life.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a long service life's stable form office chair, including: the chair comprises a base, armrests connected to the top of the base, a backrest fixedly connected with the base and a pressure-resistant assembly;
the backrest is embedded with a stress plate protruding out of the front end face of the backrest, and the stress plate penetrates through the backrest;
the compression-resistant assembly comprises a frame fixed on the edge of the rear end of the backrest and an X-shaped cross supporting shaft arranged in a hollow manner; the cross support shaft is positioned at the inner side of the frame and is fixed with the inner side wall of the frame, and an elastic block, four sliding blocks arranged at four ends of the elastic block and a first spring positioned at the outer side of the sliding blocks are arranged in the cross support shaft; each first spring is arranged corresponding to one sliding block, each sliding block is connected with a spring block through a second spring, and the elastic block is arranged in the middle of the cross support shaft and penetrates through the front end face of the cross support shaft to be fixed with the stress plate;
elastic layers are arranged at the four tail ends in the cross supporting shaft;
the sliding block is embedded with a first magnet, the elastic block is embedded with a second magnet, the first magnet is located on the front side of the second magnet, and the first magnet and the second magnet are magnetically repelled.
Furthermore, each upper sleeve of the first spring is provided with a wear-resistant shaft sleeve, and the diameter of each wear-resistant shaft sleeve is smaller than the inner diameter of the cross support shaft.
Furthermore, each tail end of each first spring is fixed with an elastic ball, each two elastic balls correspond to one first spring, and the wear-resistant shaft sleeve is positioned between the two elastic balls of the same first spring.
Further, the length of the upper arm of the cross support shaft is greater than that of the lower arm of the cross support shaft, and the inner diameter of the middle of the upper arm and the inner diameter of the middle of the lower arm are smaller than the inner diameters of the two ends of the upper arm and the inner diameters of the two ends of the lower arm.
Further, the inner wall of the cross supporting shaft is provided with a wear-resistant layer.
Furthermore, an elastic strip is arranged on the front end face of the stress plate; the elastic strip is arranged in a U shape.
Furthermore, the handrail comprises a hand supporting part and a telescopic rod, the lower end of the telescopic rod is fixed with the top of the base, and the hand supporting part is hinged to the upper end of the telescopic rod.
Furthermore, the hand support device also comprises a protection pad, wherein the protection pad is detachably arranged at the top of the hand support part.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the backrest of the utility model is provided with the compression-resistant component, the backrest is fixed on the base, the rear end face of the backrest is further fixed with the base through the frame, the cross supporting shaft is arranged in the frame to wrap and support the back of the backrest, and the support and the compression resistance of the backrest are improved;
the stress plate on the backrest compresses the elastic block after stress, the elastic block compresses to drive the second magnet to move backwards to be close to the sliding block provided with the first magnet, the sliding block is driven to push the corresponding first spring through the second spring, the corresponding first spring respectively moves along the upper arm and the lower arm compression corresponding to the cross support shaft arranged in the hollow mode, the friction buffering pressure is achieved through elastic compression and movement, and therefore stress of the backrest is effectively buffered.
The elastic layer is arranged at the four tail ends in the crossed supporting shaft, so that the first spring is effectively protected, and the service life of the first spring is further prolonged.
Drawings
Fig. 1 is a schematic front view of a stable office chair with a long service life according to an embodiment of the present invention;
fig. 2 is a schematic rear view of a stable office chair with a long service life according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a compression resistant assembly according to an embodiment of the present invention;
fig. 4 is a schematic view of a partial structure of the elastic block and the sliding block according to an embodiment of the present invention.
In the figure:
1. a base; 2. a handrail; 21. a hand-holding member; 22. a telescopic rod; 3. a backrest; 31. a stress plate; 4. a compression resistant assembly; 41. a cross support shaft; 411. an elastic block; 412. a slider; 413. a first spring; 414. a second spring; 42. a frame; 5. an elastic layer; 6. a first magnet; 7. a second magnet; 8. a wear-resistant shaft sleeve; 9. a resilient ball; 10. a wear layer; 11. an elastic strip; 12. and (6) a protective pad.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1, 2, 3 and 4, a stable office chair with a long service life includes: the chair comprises a base 1, armrests 2 connected to the top of the base 1, a backrest 3 fixedly connected with the base 1 and a pressure-resistant assembly 4; a stress plate 31 protruding out of the front end face of the backrest 3 is embedded in the backrest 3, and the stress plate 31 penetrates through the backrest 3; the compression-resistant component 4 comprises a frame 42 fixed on the edge of the rear end of the backrest 3 and an X-shaped hollow cross supporting shaft 41; the cross support shaft 41 is positioned at the inner side of the frame 42 and fixed with the inner side wall of the frame 42, an elastic block 411, four sliding blocks 412 arranged at four ends of the elastic block 411 and a first spring 413 positioned at the outer side of the sliding blocks 412 are arranged in the cross support shaft 41; each first spring 413 is arranged corresponding to one sliding block 412, each sliding block 412 is connected with a spring block through a second spring 414, and an elastic block 411 is arranged in the middle of the cross support shaft 41 and penetrates through the front end face of the cross support shaft to be fixed with the stress plate 31; the elastic layer 5 is arranged at the four ends in the cross supporting shaft 41; the sliding block 412 is embedded with a first magnet 6, the elastic block 411 is embedded with a second magnet 7, the first magnet 6 is positioned at the front side of the second magnet 7, and the first magnet 6 and the second magnet 7 are magnetically repelled.
The utility model discloses can effectively improve the life of back 3 to effectively improve this office chair's life. The cross supporting shaft 41 is in an X shape and is arranged in a hollow way, the cross supporting shaft 41 is divided into two upper arms and two lower arms, the cross supporting shaft is communicated at the intersection, an elastic block 411 arranged at the intersection of the four arms of the cross supporting shaft 41 is pressed by a stress plate 31 on the backrest 3 to generate deformation, the front end of a second magnet 7 of the elastic block 411 in the middle of four sliding blocks 412 moves to the same plane with the sliding blocks, so that the second magnet 7 is closest to the four first magnets 6 and is subjected to the maximum mutual repulsion force, a second spring 414 is compressed to push the four sliding blocks 412 to be far away from the elastic block 411, the sliding blocks 412 can be made of rubber materials and have the characteristic of good elasticity, so that a first spring 413 on the four arms of the cross supporting shaft 41 is pushed to compress and rub, and the whole process is collided, compressed and rubbed by a plurality of elastic forces, so that the pressure from the stress plate 31 is effectively, the supporting force is reduced, and the service life of the backrest 3, the frame 42 and the cross supporting shaft 41 is effectively prolonged. The frame 42 and the cross support shaft 41 support the back of the backrest 3, improving the overall stable structure.
Further, the upper housing of each first spring 413 is provided with a wear-resistant bushing 8, and the diameter of the wear-resistant bushing 8 is smaller than the inner diameter of the cross support shaft 41. The wear-resistant shaft sleeve 8 is arranged in the middle of the first spring 413, the first spring 413 is effectively protected from being worn in the moving process, meanwhile, the wear-resistant shaft sleeve 8 is in contact with the inner wall of the cross support shaft 41, and part of pressure from the stress plate 31 is consumed after the friction is contacted through relative movement.
Furthermore, each end of each first spring 413 is fixed with a resilient ball 9, each two resilient balls 9 correspond to one first spring 413, and the wear-resistant shaft sleeve 8 is located between the two resilient balls 9 of the same first spring 413. The elastic ball 9 is arranged to further protect the two ends of the first spring 413 and ensure the moving direction of the first spring 413, so that the two ends cannot recover the initial position after being pressed and bent when the pressure disappears.
Further, the length of the upper arm of the cross support shaft 41 is greater than that of the lower arm thereof, and the inner diameter of the middle part of the upper arm and the inner diameter of the middle part of the lower arm are smaller than those of the two ends of the upper arm and those of the lower arm. The length of the upper arm of the fork supporting shaft is greater than that of the lower arm of the fork supporting shaft, as shown in fig. 2, the included angle between the two upper arms is greater than that between the adjacent upper arm and the lower arm, so that two sides of the backrest 3 are effectively supported, and the two sides of the upper part of the backrest 3 are prevented from being excessively stressed;
further, the inner wall of the cross support shaft 41 is provided with the wear-resistant layer 10. The wear-resistant layer 10 and the wear-resistant shaft sleeve 8 can be made of polyurethane materials, the materials are good in wear-resistant effect, and the inner wall of the cross support shaft 41 is effectively protected.
Further, the front end face of the stress plate 31 is provided with an elastic strip 11; the elastic strip 11 is arranged in a U shape. A plurality of elastic strips 11 symmetry setting improve the comfort level of official working, and elastic strip 11, elastic layer 5 all can select rubber materials to make, and this material elasticity is good, and is with low costs.
Further, the handrail 2 comprises a hand supporting part 21 and an expansion link 22, the lower end of the expansion link 22 is fixed with the top of the base 1, and the hand supporting part 21 is hinged to the upper end of the expansion link 22. Set up telescopic link 22 and can stretch out and draw back from top to bottom, can select electric putter also can set up ordinary can manual telescopic link 22, hold in the palm hand part 21 accessible telescopic link 22 and stretch out and draw back from top to bottom to conveniently adjust and hold in the palm hand part 21 height, in addition through articulated with telescopic link 22, adjustable support hand part 21 inclination.
Further, a protection pad 12 is included, and the protection pad 12 is detachably mounted on the top of the hand holding part 21. The protection pad 12 can be made of rubber materials or sponge materials, the hand comfort of an office worker is improved, the detachable installation is convenient to replace, and the cost is low.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (8)
1. A stable form office chair long in service life, its characterized in that, including: the chair comprises a base, armrests connected to the top of the base, a backrest fixedly connected with the base and a pressure-resistant assembly;
the backrest is embedded with a stress plate protruding out of the front end face of the backrest, and the stress plate penetrates through the backrest;
the compression-resistant assembly comprises a frame fixed on the edge of the rear end of the backrest and an X-shaped cross supporting shaft arranged in a hollow manner; the cross support shaft is positioned at the inner side of the frame and is fixed with the inner side wall of the frame, and an elastic block, four sliding blocks arranged at four ends of the elastic block and a first spring positioned at the outer side of the sliding blocks are arranged in the cross support shaft; each first spring is arranged corresponding to one sliding block, each sliding block is connected with a spring block through a second spring, and the elastic block is arranged in the middle of the cross support shaft and penetrates through the front end face of the cross support shaft to be fixed with the stress plate;
elastic layers are arranged at the four tail ends in the cross supporting shaft;
the sliding block is embedded with a first magnet, the elastic block is embedded with a second magnet, the first magnet is located on the front side of the second magnet, and the first magnet and the second magnet are magnetically repelled.
2. A stable, long-life office chair according to claim 1, wherein:
and the upper sleeve of each first spring is provided with a wear-resistant shaft sleeve, and the diameter of the wear-resistant shaft sleeve is smaller than the inner diameter of the cross support shaft.
3. A stable, long-life office chair according to claim 2, wherein:
each end of the first spring is fixed with an elastic ball, every two elastic balls correspond to one first spring, and the wear-resistant shaft sleeve is positioned between the two elastic balls of the same first spring.
4. A stable, long-life office chair according to claim 1, wherein:
the length of the upper arm of the cross supporting shaft is greater than that of the lower arm of the cross supporting shaft, and the inner diameter of the middle part of the upper arm and the inner diameter of the middle part of the lower arm are smaller than the inner diameters of the two ends of the upper arm and the inner diameters of the two ends of the lower arm.
5. A stable, long-life office chair according to claim 1, wherein:
and the inner wall of the cross support shaft is provided with a wear-resistant layer.
6. A stable, long-life office chair according to claim 1, wherein:
the front end face of the stress plate is provided with an elastic strip; the elastic strip is arranged in a U shape.
7. A stable, long-life office chair according to claim 1, wherein:
the handrail comprises a hand supporting part and a telescopic rod, the lower end of the telescopic rod is fixed with the top of the base, and the hand supporting part is hinged to the upper end of the telescopic rod.
8. Stable office chair with long service life according to claim 7, characterized in that
The hand support is characterized by further comprising a protection pad, wherein the protection pad is detachably arranged on the top of the hand support part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317536.7U CN212117632U (en) | 2020-03-13 | 2020-03-13 | Stable office chair with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317536.7U CN212117632U (en) | 2020-03-13 | 2020-03-13 | Stable office chair with long service life |
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| Publication Number | Publication Date |
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| CN212117632U true CN212117632U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020317536.7U Active CN212117632U (en) | 2020-03-13 | 2020-03-13 | Stable office chair with long service life |
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| CN (1) | CN212117632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202377A (en) * | 2020-03-13 | 2020-05-29 | 广州市沃时家具有限公司 | Stable office chair with long service life |
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2020
- 2020-03-13 CN CN202020317536.7U patent/CN212117632U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111202377A (en) * | 2020-03-13 | 2020-05-29 | 广州市沃时家具有限公司 | Stable office chair with long service life |
| CN111202377B (en) * | 2020-03-13 | 2024-06-04 | 广东沃时家具有限公司 | Stable office chair with long service life |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220615 Address after: 526000 floors 2, 3 and 4, building B3, No. 6, Jinxin Avenue, Jintao Industrial Park, Jinli Town, Gaoyao District, Zhaoqing City, Guangdong Province Patentee after: Guangdong woshi Furniture Co.,Ltd. Address before: 510000 4f, Lin'an Internet of things Network Center building, Taihe Town, Baiyun District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU WOSHI FURNITURE Co.,Ltd. |