Office chair with leg supporting function

By designing an office chair with leg support function, using structures such as adjustment motor, adjustment screw, lift plate and foot pedal, the existing office chair does not adjust the leg, lumbar and back and neck support, and achieves flexible support and adjustment of the legs, improving the comfort of use.

CN222898660UActive Publication Date: 2025-05-27ANJI XINGYU CHAIRS CO LTD
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Patent Information

Application Number
CN202421928478.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-05-27
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

The existing office chairs lack the load-bearing and adjustment functions of the legs, resulting in poor blood circulation in the legs during long-term sitting postures and inconvenient support for the waist, back and neck.

Method used

An office chair with leg support function is designed, using components such as base, support legs, lifting cylinder, seat body, armrests, support leg structure and neck support structure. Support and adjustment of legs, waist, back and neck through adjustment of motors, adjustment screws, lift plates and foot pedals.

Benefits of technology

Through this design, flexible support and adjustment of the legs is achieved, blood circulation is improved, and flexible support and adjustment of the waist, back and neck is provided, improving the comfort of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222898660U_ABST
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Abstract

The utility model discloses an office chair with a leg supporting function, which comprises a base, supporting legs are arranged at the bottom of the base, moving wheels are arranged at one ends of the supporting legs, a lifting air cylinder is arranged on the base, a chair body is arranged at the free end of the lifting air cylinder, armrests are arranged on two sides of the chair body, and the lifting air cylinder is arranged on the base. A supporting leg structure is arranged at the bottom of one side of the seat body, and a neck supporting structure is arranged at the top of the seat body; the supporting leg structure comprises a storage bin, an adjusting motor, an adjusting screw rod, a lifting plate and a pedal plate, the storage bin is arranged at the bottom of one side of the seat body, and the two ends of the adjusting screw rod are rotationally arranged between the inner bottom wall and the inner top wall of the storage bin. The utility model relates to the technical field of office chairs, and particularly provides an office chair with a leg supporting function.
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Description

Technical Field

[0001] The utility model relates to the technical field of office chairs, and particularly relates to an office chair with a leg support function. Background Art

[0002] In daily work, office chairs are used for convenience and comfort to improve the comfort of work. Generally, office chairs have various functions. For example, the lifting function is convenient for adjusting the height according to the different heights of users; the rotation function is equipped to facilitate adjusting the working direction, making people in a long-term sitting position more comfortable.

[0003] However, the existing office desks do not have a leg adjustment function, lacking a structure for supporting and adjusting the legs. In a long-term state of curled legs, the blood circulation in the legs is not smooth and it is rather uncomfortable. In addition, there are also problems with the office chair that the support and adjustment of the waist, back and neck are not convenient enough. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is that the office chair lacks the functions of supporting and adjusting the legs, and the legs are rather uncomfortable during long-term work. At the same time, it lacks the support and adjustment functions for the waist, back and neck.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: An office chair with a leg support function proposed by the utility model includes a base. A support leg is provided at the bottom of the base. A moving wheel is provided at one end of the support leg. A lifting cylinder is provided on the base. A seat body is provided at the free end of the lifting cylinder. Armrests are provided on both sides of the seat body. A support leg structure is provided at the bottom of one side of the seat body. A neck support structure is provided at the top of the seat body; the support leg structure includes a storage bin, an adjustment motor, an adjustment screw rod, a lifting plate and a footrest. The storage bin is provided at the bottom of one side of the seat body. The adjustment screw rod is rotatably provided between the inner bottom wall and the top wall of the storage bin at both ends. The adjustment motor is provided at the bottom of the storage bin and the power output shaft is connected to the adjustment screw rod. The lifting plate is slidably provided on the inner side wall of the storage bin at both ends. The lifting plate is threadedly connected with the adjustment screw rod. One end of the footrest is hinged to the lifting plate.

[0006] Preferred Technical Solution 1: The neck support structure includes a telescopic rod, a positioning block and a headrest. The positioning block is provided at the top of the seat body. The lower end of the telescopic rod passes through the positioning block and extends into the seat body. Multiple groups of positioning holes are provided on the telescopic rod along the height direction. A spring pin corresponding to the positioning holes is provided on the positioning block.

[0007] Preferred Technical Solution 2: A sliding concave platform is provided on the footrest. A moving plate is slidably provided in the sliding concave platform. Anti-slip foot pads are provided on the moving plate.

[0008] Preferred Technical Solution 3: A controller is further provided on the side wall of the storage bin, and the controller is electrically connected to the adjustment motor.

[0009] Preferred Technical Solution 4: A lumbar support air cushion is provided on the seat body.

[0010] Preferred Technical Solution 5: A neck adjustment air cushion is provided on the headrest.

[0011] Preferred Technical Solution 6: A telescopic protective curtain is connected between the top of the lifting plate and the top wall of the storage bin.

[0012] For an office chair with a leg support function proposed by the present utility model, the beneficial effects obtained by adopting the above structure are as follows:

[0013] (1) By means of the cooperation of the storage bin, the adjustment motor, the adjustment screw rod, the lifting plate and the footrest, the legs can be supported. The moving plate can adjust the telescopic distance, which is flexible and convenient for support, and at the same time, it is convenient to store the footrest.

[0014] (2) The telescopic rod, the positioning block and the headrest provided can adjust the support height. The neck adjustment air cushion provided can support and adjust the neck, and the lumbar support air cushion provided can flexibly support and adjust the waist and back. Description of the Drawings

[0015] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0016] Figure 1 is a schematic diagram of the overall structure of an office chair with a leg support function proposed by the present utility model Figure 1 ;

[0017] Figure 2 is a schematic diagram of the overall structure of an office chair with a leg support function proposed by the present utility model Figure 2 ;

[0018] Figure 3 is a schematic diagram of the overall structure of an office chair with a leg support function proposed by the present utility model Figure 3 .

[0019] Among them, 1. Base, 2. Support leg, 3. Movable wheel, 4. Lifting cylinder, 5. Seat body, 6. Armrest, 7. Support leg structure, 8. Neck support structure, 9. Storage bin, 10. Adjusting motor, 11. Adjusting screw, 12. Lifting plate, 13. Footrest, 14. Telescopic rod, 15. Positioning block, 16. Headrest, 17. Positioning hole, 18. Spring pin, 19. Sliding concave platform, 20. Movable plate, 21. Controller, 22. Lumbar support air cushion, 23. Neck adjusting air cushion, 24. Telescopic protective curtain. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the accompanying drawings, and the terms "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.

[0022] As Figures 1 to 3 shown, the technical solution adopted by the present invention is as follows: An office chair with a leg support function includes a base 1, a support leg 2 is provided at the bottom of the base 1, a movable wheel 3 is provided at one end of the support leg 2, a lifting cylinder 4 is provided on the base 1, a seat body 5 is provided at the free end of the lifting cylinder 4, armrests 6 are provided on both sides of the seat body 5, a support leg structure 7 is provided at the bottom of one side of the seat body 5, and a neck support structure 8 is provided at the top of the seat body 5; the support leg structure 7 includes a storage bin 9, an adjusting motor 10, an adjusting screw 11, a lifting plate 12 and a footrest 13. The storage bin 9 is provided at the bottom of one side of the seat body 5. The two ends of the adjusting screw 11 are rotatably provided between the inner bottom wall and the top wall of the storage bin 9. The adjusting motor 10 is provided at the bottom of the storage bin 9 and the power output shaft is connected to the adjusting screw 11. The two ends of the lifting plate 12 are slidably provided on the inner side wall of the storage bin 9. The lifting plate 12 is threadedly connected to the adjusting screw 11. One end of the footrest 13 is hinged to the lifting plate 12. A lumbar support air cushion 22 is provided on the seat body 5, a neck adjusting air cushion 23 is provided on the headrest 16, and a telescopic protective curtain 24 is connected between the top of the lifting plate 12 and the top wall of the storage bin 9.

[0023] As Figure 2 and Figure 3As shown: The neck support structure 8 includes a telescopic rod 14, a positioning block 15 and a headrest 16. The positioning block 15 is provided at the top of the seat body 5. The lower end of the telescopic rod 14 penetrates through the positioning block 15 and extends into the seat body 5. A plurality of positioning holes 17 are provided on the telescopic rod 14 in the height direction. A spring pin 18 corresponding to the positioning holes 17 is provided on the positioning block 15. A sliding concave platform 19 is provided on the footrest 13. A moving plate 20 is slidably provided in the sliding concave platform 19. An anti-slip foot pad is provided on the moving plate 20. A controller 21 is further provided on the side wall of the storage bin 9. The controller 21 is electrically connected to the adjustment motor 10.

[0024] During specific use, the height of the headrest 16 is adjusted by the cooperation of the telescopic rod 14 and the positioning block 15. The support for the neck is adjusted by the neck adjustment air cushion 23. The waist and back are supported by the lumbar support air cushion 22. The feet are supported by the provided footrest 13. The adjustment motor 10 is started to drive the adjustment screw rod 11 to rotate, and then drive the lifting plate 12 to lift and lower, so as to adjust the support height of the legs. The provided moving plate 20 further facilitates the adjustment of the leg placement angle and at the same time facilitates the flipping and storage of the footrest 13.

[0025] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, material or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, material or device.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An office chair with a leg support function, comprising a base (1), a support leg (2) being provided at the bottom of the base (1), a moving wheel (3) being provided at one end of the support leg (2), a lifting cylinder (4) being provided on the base (1), a seat body (5) being provided at the free end of the lifting cylinder (4), and armrests (6) being provided on both sides of the seat body (5), characterized in that: A support leg structure (7) is provided at the bottom of one side of the seat body (5), and a neck support structure (8) is provided at the top of the seat body (5); the support leg structure (7) comprises a storage bin (9), an adjustment motor (10), an adjustment screw (11), a lifting plate (12) and a foot pedal (13); the storage bin (9) is provided at the bottom of one side of the seat body (5); the two ends of the adjustment screw (11) are rotatably provided between the bottom wall and the top wall of the storage bin (9); the adjustment motor (10) is provided at the bottom of the storage bin (9) and the power output shaft is connected to the adjustment screw (11); the two ends of the lifting plate (12) are slidably provided on the inner wall of the storage bin (9); the lifting plate (12) and the adjustment screw (11) are connected by threads; and one end of the foot pedal (13) is hingedly provided on the lifting plate (12).

2. The office chair with leg support function according to claim 1, characterized in that: The neck support structure (8) comprises a telescopic rod (14), a positioning block (15) and a headrest (16); the positioning block (15) is arranged on the top of the seat body (5); the lower end of the telescopic rod (14) passes through the positioning block (15) and extends into the interior of the seat body (5); the telescopic rod (14) is provided with a plurality of groups of positioning holes (17) along the height direction; and the positioning block (15) is provided with a spring pin (18) arranged corresponding to the positioning hole (17).

3. The office chair with leg support function according to claim 2, characterized in that: The foot pedal (13) is provided with a sliding concave platform (19), a movable plate (20) is slidably arranged in the sliding concave platform (19), and an anti-slip foot pad is arranged on the movable plate (20).

4. The office chair with leg support function according to claim 3, characterized in that: The side wall of the storage bin (9) is also provided with a controller (21), and the controller (21) is electrically connected to the regulating motor (10).

5. The office chair with leg support function according to claim 4, characterized in that: The seat body (5) is provided with a waist and back supporting air cushion (22).

6. The office chair with leg support function according to claim 5, characterized in that: The headrest (16) is provided with a neck-adjusting air cushion (23).

7. The office chair with leg support function according to claim 6, characterized in that: A telescopic protective curtain (24) is connected between the top of the lifting plate (12) and the top wall of the storage bin (9).

Citation Information

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