CN216569153U - Office chair armrest fixing device - Google Patents
Office chair armrest fixing device Download PDFInfo
- Publication number
- CN216569153U CN216569153U CN202122320134.XU CN202122320134U CN216569153U CN 216569153 U CN216569153 U CN 216569153U CN 202122320134 U CN202122320134 U CN 202122320134U CN 216569153 U CN216569153 U CN 216569153U
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- rod
- cushion
- fixedly connected
- fixing
- office chair
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- 244000309464 bull Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an office chair armrest fixing device which comprises a cushion and a spring, wherein a plurality of telescopic cylinders are arranged inside the cushion, a fixing groove is formed in one side of each telescopic cylinder, a fixing rod is arranged inside the fixing groove, the other end of the fixing rod penetrates through the telescopic cylinders and one side of the cushion to extend to the outside, a handle is fixedly connected to the other end of the fixing rod, a hydraulic cylinder is arranged at the lower end of the cushion, a hydraulic rod is arranged at the upper end of the hydraulic cylinder, a plurality of connecting rods are arranged outside the hydraulic cylinder, the other end of each connecting rod is fixedly connected with a fixing block, and a rotating piece is arranged at the lower end of the fixing block. According to the handrail dismounting device, the telescopic cylinder, the fixing rod, the spring and the fixing groove are arranged, the telescopic cylinder is fixed by the fixing rod, the dismounting is convenient, a spanner is not needed for dismounting, and the handrail can be dismounted only by pulling the handle to remove the fixing rod from the fixing groove.
Description
Technical Field
The utility model relates to the technical field of office chairs, in particular to a fixing device for handrails of an 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 applicant finds that a Chinese patent discloses an office chair armrest fixing device through retrieval when applying the utility model, the application number is 201922058858.4, the device mainly rotates an adjusting handle anticlockwise, a screw rod is screwed out towards the outside of a fixing groove, a supporting plate and two guide rods are descended under the elastic force of a spring, a fixing plate is descended under the action of self weight, a clamping seat gradually slides towards the outside of a clamping groove, after the clamping seat slides out of the clamping groove, the rotating handle is stopped, then the fixing plate can be pulled out from the fixing groove, namely the disassembly of the office chair armrest is completed, the office chair armrest on the other side of the chair can be installed, fixed and disassembled in the same step, the operation is simple and convenient, the height of the armrest can not be adjusted, the armrest can be stably fixed at one position, the armrest is not practical for different crowds, the utility model can adjust the height of the armrest through a telescopic rod, is convenient for different users to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an office chair armrest fixing device.
In order to achieve the purpose, the utility model adopts the following technical scheme: a fixing device for handrails of an office chair comprises a cushion and a spring, wherein a plurality of telescopic cylinders are arranged inside the cushion, a fixing groove is formed in one side of each telescopic cylinder, a fixing rod is arranged inside the fixing groove, the other end of the fixing rod penetrates through the telescopic cylinders and one side of the cushion and extends to the outside, and a handle is fixedly connected to the other end of the fixing rod;
the lower extreme of cushion is provided with the pneumatic cylinder, the upper end of pneumatic cylinder is provided with the hydraulic stem, the outside of pneumatic cylinder is provided with a plurality of connecting rod, the other end fixedly connected with fixed block of connecting rod, the lower extreme of fixed block is provided with rotates the piece, the lower extreme that rotates the piece is provided with U type frame.
As a further description of the above technical solution:
the upper end of the hydraulic rod is fixedly connected with the lower end of the cushion.
As a further description of the above technical solution:
the upper end of the cushion is fixedly connected with a backrest.
As a further description of the above technical solution:
the telescopic cylinder is characterized in that a telescopic rod is arranged at the upper end of the telescopic cylinder, a cross rod is fixedly connected to the upper end of the telescopic rod, and a fixing bolt is arranged on one side of the telescopic cylinder.
As a further description of the above technical solution:
one end of the spring is fixedly connected with the side wall of the cushion, and the other end of the spring is fixedly connected with one side of the telescopic cylinder.
As a further description of the above technical solution:
the other end of the connecting rod is fixedly connected with the side wall of the hydraulic cylinder.
As a further description of the above technical solution:
the middle part of U type frame is provided with the bull stick, the outside of bull stick is provided with the running roller, one side of U type frame is provided with the footboard.
As a further description of the above technical solution:
and two ends of the rotating rod are fixedly connected with two sides of the U-shaped frame.
The utility model has the following beneficial effects:
1. compared with the prior art, the fixing device for the office chair armrest is provided with the telescopic cylinder, the fixing rod, the spring and the fixing groove, the telescopic cylinder is fixed by the fixing rod, the dismounting is convenient, a wrench is not needed for dismounting, and the armrest can be dismounted only by pulling the handle to remove the fixing rod from the fixing groove.
2. Compared with the prior art, the fixing device for the handrails of the office chair has the advantages that the rollers, the pedals and the fixing bolts are arranged, so that the wheelchair can be moved by the rollers, the rollers can be fixed by the pedals when the wheelchair is moved to a proper position, the wheelchair is prevented from moving disorderly, the handrails can be lifted to the proper position by the fixing bolts, and a user can place arms on the handrails easily.
Drawings
Fig. 1 is a perspective view of an office chair armrest fixing device according to the present invention;
fig. 2 is a rear view of an office chair armrest fixing device according to the present invention;
fig. 3 is a side view of an office chair armrest fixing device according to the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of B in FIG. 3 according to the present invention.
Illustration of the drawings:
1. a cushion; 2. a telescopic cylinder; 3. a hydraulic cylinder; 4. a connecting rod; 5. a hydraulic lever; 6. a backrest; 7. a handrail; 8. fixing the bolt; 9. a handle; 10. a spring; 11. fixing the rod; 12. fixing grooves; 13. a fixed block; 14. a U-shaped frame; 15. a pedal; 16. a roller; 17. a rotating rod; 18. and a rotating member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, one embodiment of the present invention is provided: a fixing device for an armrest of an office chair comprises a cushion 1 and a spring 10, wherein a plurality of telescopic cylinders 2 are arranged inside the cushion 1, the height of the armrest can be adjusted by the aid of the telescopic cylinders 2, a user can easily place arms on the armrest, one side of each telescopic cylinder 2 is provided with a fixing groove 12, a fixing rod 11 is arranged inside each fixing groove 12, the other end of each fixing rod 11 penetrates through the telescopic cylinders 2 and one side of the cushion 1 to extend to the outside, the other end of each fixing rod 11 is fixedly connected with a handle 9, the telescopic cylinders 2 are fixed by the aid of the fixing rods 11, and the fixing device is convenient to disassemble and can be detached simply as long as the fixing rods 11 are pulled;
the lower extreme of cushion 1 is provided with pneumatic cylinder 3, the upper end of pneumatic cylinder 3 is provided with hydraulic stem 5, utilize the height of pneumatic cylinder 3 adjustment cushion 1, the comparison is suitable for different crowds, the outside of pneumatic cylinder 3 is provided with a plurality of connecting rod 4, the other end fixedly connected with fixed block 13 of connecting rod 4, the lower extreme of fixed block 13 is provided with rotates piece 18, the lower extreme that rotates piece 18 is provided with U type frame 14, a seat is conveniently removed to fixed running roller 16, can make the seat remove to the direction of difference.
The upper end of the hydraulic rod 5 is fixedly connected with the lower end of the cushion 1, the upper end of the cushion 1 is fixedly connected with a backrest 6, a user can conveniently lean on the seat to relieve fatigue, the upper end of the telescopic cylinder 2 is provided with a telescopic rod 7, the upper end of the telescopic rod 7 is fixedly connected with a cross rod, one side of the telescopic cylinder 2 is provided with a fixing bolt 8, when the handrail is adjusted to a proper position, the handrail is fixed by the fixing bolt 8, the disorder of the handrail is avoided, one end of the spring 10 is fixedly connected with the side wall of the cushion 1, the other end of the spring is fixedly connected with one side of the telescopic cylinder 2, the other end of the connecting rod 4 is fixedly connected with the side wall of the hydraulic cylinder 3, the middle part of the U-shaped frame 14 is provided with a rotating rod 17, the outside of the rotating rod 17 is provided with a roller 16, one side of the U-shaped frame 14 is provided with a pedal 15, the two ends of the rotating rod 17 are fixedly connected with the two sides of the U-shaped frame 14, and the position of the seat can be adjusted by the roller 16, the seat is moved to a proper position for use, and the running rollers 16 can be fixed by the pedals 15 after the seat is moved, so that the situation that the seat is moved disorderly and the work is influenced is prevented.
The working principle is as follows: when the seat cushion is used, the telescopic cylinder 2 is firstly installed inside the seat cushion 1, the middle part of the telescopic cylinder 2 is provided with the channel, the fixing rod 11 is inserted into the channel through the handle 9, the other end of the fixing rod 11 is inserted into the fixing groove 12 to fix the telescopic cylinder 2, the height of the armrest can be adjusted through the fixing bolt 8, the armrest can be adjusted to a proper position to be convenient to use, the seat cushion can be moved through the rollers 16, the rollers 16 can be fixed through the pedals 15 when the seat cushion is moved to a desired position, the seat cushion can be effectively fixed, and the phenomenon that a wheelchair runs disorderly is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. An office chair armrest fixing device comprises a cushion (1) and a spring (10), and is characterized in that: a plurality of telescopic cylinders (2) are arranged inside the cushion (1), one side of each telescopic cylinder (2) is provided with a fixed groove (12), a fixed rod (11) is arranged inside each fixed groove (12), the other end of each fixed rod (11) penetrates through the telescopic cylinders (2) and one side of the cushion (1) and extends to the outside, and the other end of each fixed rod (11) is fixedly connected with a handle (9);
the lower extreme of cushion (1) is provided with pneumatic cylinder (3), the upper end of pneumatic cylinder (3) is provided with hydraulic stem (5), the outside of pneumatic cylinder (3) is provided with a plurality of connecting rod (4), the other end fixedly connected with fixed block (13) of connecting rod (4), the lower extreme of fixed block (13) is provided with rotates piece (18), the lower extreme that rotates piece (18) is provided with U type frame (14).
2. An office chair armrest fixing device as claimed in claim 1, wherein: the upper end of the hydraulic rod (5) is fixedly connected with the lower end of the cushion (1).
3. An office chair armrest fixing device as claimed in claim 1, wherein: the upper end of the cushion (1) is fixedly connected with a backrest (6).
4. An office chair armrest fixing device as claimed in claim 1, wherein: the telescopic rod (7) is arranged at the upper end of the telescopic cylinder (2), a cross rod is fixedly connected to the upper end of the telescopic rod (7), and a fixing bolt (8) is arranged on one side of the telescopic cylinder (2).
5. An office chair armrest fixing device as claimed in claim 1, wherein: one end of the spring (10) is fixedly connected with the side wall of the cushion (1), and the other end of the spring is fixedly connected with one side of the telescopic cylinder (2).
6. An office chair armrest fixing device as claimed in claim 1, wherein: the other end of the connecting rod (4) is fixedly connected with the side wall of the hydraulic cylinder (3).
7. An office chair armrest fixing device as claimed in claim 1, wherein: the middle part of the U-shaped frame (14) is provided with a rotating rod (17), the outside of the rotating rod (17) is provided with a roller (16), and one side of the U-shaped frame (14) is provided with a pedal (15).
8. An office chair armrest fixing device as claimed in claim 7, wherein: two ends of the rotating rod (17) are fixedly connected with two sides of the U-shaped frame (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122320134.XU CN216569153U (en) | 2021-09-24 | 2021-09-24 | Office chair armrest fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122320134.XU CN216569153U (en) | 2021-09-24 | 2021-09-24 | Office chair armrest fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216569153U true CN216569153U (en) | 2022-05-24 |
Family
ID=81637088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122320134.XU Expired - Fee Related CN216569153U (en) | 2021-09-24 | 2021-09-24 | Office chair armrest fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216569153U (en) |
-
2021
- 2021-09-24 CN CN202122320134.XU patent/CN216569153U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20220524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CP02 | Change in the address of a patent holder |
Address after: 313399, 1st Floor, Building 3, No. 2153 Yunhong West Road, Tangpu Industrial Zone, Dipu Street, Anji County, Huzhou City, Zhejiang Province Patentee after: Anji Yongbo Furniture Co.,Ltd. Address before: 313000 floor 3, building 11, Fantan Industrial Park, Lingfeng street, Anji County, Huzhou City, Zhejiang Province (in Zhejiang Meida leather goods Co., Ltd.) Patentee before: Anji Yongbo Furniture Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |