CN220157920U - Elbow rests of office chair - Google Patents

Abstract

The utility model discloses an office chair armrest, which comprises a chair table, wherein a connecting strip is fixedly connected to one side of the chair table, a chair back is fixedly connected to the connecting strip, a supporting rod is fixedly connected to the lower end of the chair table, a base is fixedly connected to the lower end of the supporting rod, a limiting ring is fixedly connected to the supporting rod, a fixed block is fixedly connected to the lower end of the chair table, an office chair armrest mechanism for supporting arms is arranged on the outer side of the chair table, the office chair armrest mechanism comprises an armrest table, an adjusting block is fixedly connected to the lower end of the armrest table, an armrest gear is fixedly connected to one side of the adjusting block, a threaded column is fixedly connected to the outer side of the armrest gear, and a deflection gear is rotatably connected between the fixed blocks. According to the utility model, by utilizing the rotatable characteristic of the deflection rod, when applicable people with different heights are faced, the height of the armrest can be adjusted by rotating the deflection rod structure and matching with the rotatable armrest platform structure, and compared with the armrest of the traditional office chair, the armrest has better adjustability.

Description

Elbow rests of office chair

Technical Field

The utility model relates to the technical field of office chair structures, in particular to an office chair armrest.

Background

Office chairs are various chairs equipped for convenience in daily work and social activities.

Common office chair has rotatable and the advantage of adjustable from top to bottom, but is mostly fixed structure to the handrail structure that sets up in office chair both sides, perhaps only possesses the regulation mode of lifting up and putting down, and its handrail structure adjustability is relatively poor, faces the user of different heights, can't adjust the height of handrail apart from seat mesa according to the demand.

Based on this, an office chair armrest is proposed.

Disclosure of Invention

The utility model aims at: in order to solve the above problems, an armrest of an office chair is proposed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an office chair handrail, includes the chair platform, chair platform one side fixedly connected with connecting strip, fixedly connected with back of the chair on the connecting strip, chair platform lower extreme fixedly connected with bracing piece, bracing piece lower extreme fixedly connected with base, fixedly connected with spacing ring on the bracing piece, chair platform lower extreme fixedly connected with fixed block, the chair platform outside is provided with the office chair handrail mechanism that is used for supporting arm.

Preferably, the office chair armrest mechanism comprises an armrest platform, wherein the lower end of the armrest platform is fixedly connected with an adjusting block, one side of the adjusting block is fixedly connected with an armrest gear, and the outer side of the armrest gear is fixedly connected with a threaded column.

Preferably, a deflection gear is rotationally connected between the fixed blocks, a deflection rod is fixedly connected to one side of the deflection gear, inner teeth are formed in one end of the deflection rod, the handrail gear is mutually matched with the inner teeth, and a threaded cover is connected to the outer side of the threaded column in a threaded manner.

Preferably, the fixed block is fixedly connected with a lifting frame, the lifting frame is connected with a lifting rod in a sliding manner, the lifting rod is fixedly connected with a lifting gear, and the lifting gear and the deflection gear are meshed with each other.

Preferably, the lifting rod is fixedly connected with a lifting table, the lifting table is sleeved outside the supporting rod, the lower end of the lifting table is fixedly connected with a sleeve, and the sleeve is sleeved on the supporting rod.

Preferably, the hinged ring is fixedly connected with the lifting rod, the hinged sheet is rotationally connected with the outer side of the hinged ring, the symmetrical sliding column is fixedly connected with the outer side of the hinged sheet, the clamping sliding frame is fixedly connected with the lower end of the chair table, the symmetrical sliding column is slidably connected with the clamping sliding frame, the telescopic cylinder is fixedly connected with the lower end of the chair table, the telescopic cylinder is fixedly connected with the sleeve block, and the sleeve block is sleeved on the lifting rod.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the deflection rod structure is adopted, the characteristic that the deflection rod is rotatable is utilized, when applicable people with different heights are faced, the deflection rod structure can be rotated to be matched with the rotatable armrest platform structure to finish the adjustment of the armrest height, and compared with the armrest of the traditional office chair, the armrest has better adjustability.

2. According to the utility model, the lifting rod structure is adopted, the lifting rod is utilized to drive the lifting gear to lift under the action of the telescopic cylinder, and when the lifting gear ascends, the lifting gear can be meshed with the deflection gear to prevent the deflection gear from rotating, so that the stability of structural connection is ensured.

Drawings

Fig. 1 shows a schematic structural view of an office chair according to an embodiment of the present utility model;

fig. 2 shows a schematic structural diagram of a lifter connection according to an embodiment of the present utility model;

fig. 3 shows an exploded view of a lifting gear joint according to an embodiment of the present utility model.

Legend description:

1. a chair table; 2. a connecting strip; 3. a chair back; 4. a support rod; 5. a base; 6. a deflection lever; 7. a screw cap; 8. a handrail table; 9. an adjusting block; 10. clamping the sliding frame; 11. a limiting ring; 12. a telescopic cylinder; 13. sleeving blocks; 14. a lifting gear; 15. a deflection gear; 16. a hinge plate; 17. a lifting frame; 18. a handrail gear; 19. a threaded column; 20. internal teeth; 21. a fixed block; 22. a lifting rod; 23. a lifting table; 24. a sleeve; 25. a hinge ring; 26. symmetrical slide column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides an office chair handrail, includes chair 1, chair 1 one side fixedly connected with connecting strip 2, fixedly connected with back of the chair 3 on the connecting strip 2, chair 1 lower extreme fixedly connected with bracing piece 4, bracing piece 4 lower extreme fixedly connected with base 5, fixedly connected with spacing ring 11 on the bracing piece 4, chair 1 lower extreme fixedly connected with fixed block 21, chair 1 outside is provided with the office chair handrail mechanism that is used for supporting arm.

Specifically, as shown in fig. 1, the armrest mechanism of the office chair comprises an armrest platform 8, an adjusting block 9 is fixedly connected to the lower end of the armrest platform 8, an armrest gear 18 is fixedly connected to one side of the adjusting block 9, and a threaded column 19 is fixedly connected to the outer side of the armrest gear 18.

Specifically, as shown in fig. 2, a deflection gear 15 is rotatably connected between the fixed blocks 21, a deflection rod 6 is fixedly connected to one side of the deflection gear 15, internal teeth 20 are provided at one end of the deflection rod 6, the handrail gear 18 and the internal teeth 20 are engaged with each other, and a screw cap 7 is screwed to the outside of the screw column 19. When the armrest platform 8 is adjusted, the engagement position between the armrest gear 18 and the internal teeth 20 can be changed by adjusting. The adjustment of the inclination angle of the armrest platform 8 can be achieved by removing the armrest platform 8 and reinstalling the armrest platform 8.

Specifically, as shown in fig. 2, a lifting frame 17 is fixedly connected to the fixed block 21, a lifting rod 22 is slidably connected to the lifting frame 17, a lifting gear 14 is fixedly connected to the lifting rod 22, and the lifting gear 14 and the deflection gear 15 are meshed with each other. The lifting gear 14 and the deflection gear 15 are meshed with each other, so that the deflection gear 15 is limited, deflection after adjustment is limited, and the lifting gear 14 can only lift and cannot rotate.

Specifically, as shown in fig. 3, a lifting table 23 is fixedly connected to the lifting rod 22, the lifting table 23 is sleeved outside the supporting rod 4, a sleeve 24 is fixedly connected to the lower end of the lifting table 23, and the sleeve 24 is sleeved on the supporting rod 4. The lifting rod 22 is limited by the lifting table 23, so that the lifting rod 22 is prevented from rotating, and the structure is reasonable.

Specifically, as shown in fig. 2, a hinge ring 25 is fixedly connected to the lifting rod 22, a hinge piece 16 is rotatably connected to the outer side of the hinge ring 25, a symmetrical sliding column 26 is fixedly connected to the outer side of the hinge piece 16, the lower end of the chair table 1 is fixedly connected to the clamping sliding frame 10, the symmetrical sliding column 26 is slidably connected to the clamping sliding frame 10, the lower end of the chair table 1 is fixedly connected to the telescopic cylinder 12, the telescopic end of the telescopic cylinder 12 is fixedly connected to the sleeve block 13, and the sleeve block 13 is sleeved on the lifting rod 22. The hinge ring 25 is matched with the hinge plate 16, so that the structural stability of the lifting rod 22 during lifting is improved, and one end of the hinge plate 16 is connected between the clamping carriages 10 in a sliding manner through the symmetrical sliding columns 26.

In summary, according to the armrest of the office chair provided in this embodiment, when the height of the armrest of the office chair needs to be adjusted, the telescopic cylinder 12 is controlled to extend, the lifting rod 22 is pushed to move downwards, the hinge plates 16 are mutually close at this time, the height of the lifting gear 14 is lowered, the engagement restriction on the deflection gear 15 is canceled, at this time, the structure of the deflection rod 6 can be freely rotated, when the angle of inclination is adjusted to be suitable, the telescopic cylinder 12 is controlled to retract, the deflected deflection gear 15 is engaged again by the lifting gear 14, then the screw cap 7 is screwed off, the structure of the armrest platform 8 is removed, and after the level state is adjusted, the structure of the armrest platform 8 is reinstalled, thus the armrest adjustment of the office chair is completed.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides an office chair handrail, includes chair platform (1), its characterized in that, chair platform (1) one side fixedly connected with connecting strip (2), fixedly connected with back of the chair (3) on connecting strip (2), chair platform (1) lower extreme fixedly connected with bracing piece (4), bracing piece (4) lower extreme fixedly connected with base (5), fixedly connected with spacing ring (11) on bracing piece (4), chair platform (1) lower extreme fixedly connected with fixed block (21), chair platform (1) outside is provided with the office chair handrail mechanism that is used for supporting arm.

2. An office chair armrest according to claim 1, characterized in that the office chair armrest mechanism comprises an armrest platform (8), an adjusting block (9) is fixedly connected to the lower end of the armrest platform (8), an armrest gear (18) is fixedly connected to one side of the adjusting block (9), and a threaded column (19) is fixedly connected to the outer side of the armrest gear (18).

3. An office chair armrest according to claim 2, characterized in that a deflection gear (15) is rotatably connected between the fixed blocks (21), a deflection rod (6) is fixedly connected to one side of the deflection gear (15), internal teeth (20) are formed at one end of the deflection rod (6), the armrest gear (18) is mutually engaged with the internal teeth (20), and a threaded cover (7) is in threaded connection with the outer side of the threaded column (19).

4. An office chair armrest according to claim 3, wherein the fixed block (21) is fixedly connected with a lifting frame (17), the lifting frame (17) is slidably connected with a lifting rod (22), the lifting rod (22) is fixedly connected with a lifting gear (14), and the lifting gear (14) is meshed with the deflection gear (15).

5. An office chair armrest according to claim 4, wherein a lifting table (23) is fixedly connected to the lifting rod (22), the lifting table (23) is sleeved outside the supporting rod (4), a sleeve (24) is fixedly connected to the lower end of the lifting table (23), and the sleeve (24) is sleeved on the supporting rod (4).

6. The office chair armrest according to claim 5, wherein the lifting rod (22) is fixedly connected with a hinge ring (25), the hinge ring (25) is externally and rotatably connected with a hinge plate (16), the hinge plate (16) is externally and fixedly connected with a symmetrical sliding column (26), the lower end of the chair table (1) is fixedly connected with a clamping sliding frame (10), the symmetrical sliding column (26) is slidably connected with the clamping sliding frame (10), the lower end of the chair table (1) is fixedly connected with a telescopic cylinder (12), the telescopic end of the telescopic cylinder (12) is fixedly connected with a sleeve block (13), and the sleeve block (13) is sleeved on the lifting rod (22).