Wheelchair frame body structure with damping function

Abstract

The wheelchair frame body structure with the damping function comprises a rear supporting frame, a front supporting frame, a seat frame and an arm-chair frame, the top of the front supporting frame and the top of the rear supporting frame are staggered with the front end of the seat frame, the staggered positions are movably connected through a movable shaft, and a damping assembly is installed on the rear side of the seat frame. By the adoption of the technical scheme, the damping wheelchair has the advantages that the damping assembly is arranged between the upper transverse pipe and the lower transverse pipe, the damping effect of the wheelchair is enhanced through the damping assembly, vibration generated when a patient sits on the wheelchair and moves on a bumpy road surface is reduced through the damping assembly, and the sitting comfort of the patient is improved.

Description

Technical Field

[0001] The utility model relates to the field of wheelchairs, in particular to a wheelchair frame structure with a shock-absorbing function. Background Art

[0002] A wheelchair is a chair with wheels that can help replace walking. It is divided into electric and manual folding wheelchairs. It is an important means of transportation for the injured, sick, and disabled to recover at home, to transport, to see a doctor, and to go out for activities. The wheelchair not only meets the needs of the disabled and people with limited mobility, but more importantly, it is convenient for family members to move and take care of the patient, and enables the patient to exercise and participate in social activities with the help of a wheelchair.

[0003] Existing wheelchairs are composed of a simple support frame and a seat frame, and lack shock-absorbing components. When a patient sits in a wheelchair or moves on a bumpy road, the frequency of vibration is transmitted to the wheelchair, reducing the patient's comfort. Utility Model Content

[0004] The utility model proposes a wheelchair frame structure with a shock-absorbing function to solve the problem that the existing wheelchair proposed in the above background technology is composed of a simple support frame and a seat frame, lacks a shock-absorbing component, and when a patient sits on the wheelchair or moves on a bumpy road, the vibration frequency is transmitted to the wheelchair, reducing the patient's comfort.

[0005] The technical solution of the utility model is achieved in this way:

[0006] A wheelchair frame structure with a shock-absorbing function comprises a supporting rear frame, a supporting front frame, a seat frame and an armrest frame. The tops of the supporting front frame and the supporting rear frame are staggered with the front end of the seat frame, and the staggered portion is movably connected via a movable shaft. A shock-absorbing assembly is installed on the rear side of the seat frame.

[0007] Preferably, the rear end of the seat frame is bent upward, and an upper cross tube is provided at the bend, a lower cross tube is provided at the bottom of the seat frame, and the shock absorbing assembly is fixed between the upper cross tube and the lower cross tube by a U-shaped mounting frame.

[0008] Preferably, connecting rods are provided inside the supporting rear frame, inside the supporting front frame, and inside the seat frame.

[0009] Preferably, a footrest is fixedly mounted on the front bottom portion of the supporting front frame.

[0010] Preferably, a horizontal handrail is fixedly mounted on the front side of the backrest frame, and the handrail is located above the seat frame.

[0011] Preferably, a hand brake and a foot brake are respectively provided on the top of the backrest frame and the bottom of the supporting rear frame.

[0012] Preferably, cotton pads are provided on the upper surface of the seat frame and the front side of the backrest frame.

[0013] Preferably, universal wheels are provided at the bottom of the supporting rear frame and the bottom of the supporting front frame.

[0014] Preferably, a limiting plate is arranged on the inner side of the supporting rear frame, a strip-shaped limiting groove is provided on the limiting plate, and a movable shaft slidably matched with the limiting groove is arranged on the inner side of the rear end of the seat frame.

[0015] By adopting the above technical solution, the beneficial effects of the utility model are as follows:

[0016] The utility model arranges a shock absorbing component between the upper transverse tube and the lower transverse tube, thereby enhancing the shock absorbing effect of the wheelchair through the shock absorbing component, and utilizing the shock absorbing component to reduce the vibration generated when the patient sits in the wheelchair and moves on a bumpy road surface, thereby improving the patient's riding comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the structure after removing the cotton pad;

[0020] Figure 3 This is a schematic diagram of the installation of the shock absorbing assembly of the utility model.

[0021] in:

[0022] 1. Support rear frame; 2. Support front frame; 3. Seat frame; 301. Upper cross tube; 4. Backrest frame; 401. Lower cross tube; 5. Connecting rod; 6. Footrest; 7. Handrail; 8. Handbrake; 9. Shock-absorbing assembly; 10. Cotton pad; 11. Universal wheel; 12. Foot brake; 13. Limiting plate; 1301. Limiting slot; 14. Mounting frame. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 3 A wheelchair frame structure with a shock-absorbing function includes a supporting rear frame 1, a supporting front frame 2, a seat frame 3 and a backrest frame 4. The tops of the supporting front frame 2 and the supporting rear frame 1 are staggered with the front end of the seat frame 3, and the staggered part is movably connected by a movable shaft. A shock-absorbing component 9 is installed on the rear side of the seat frame 3, wherein the shock-absorbing component is a spring shock absorber, which can achieve a shock-absorbing effect.

[0025] Specifically, the rear end of the seat frame 3 is bent upward, and an upper cross tube 301 is provided at the bending portion, a lower cross tube 401 is provided at the bottom of the seat frame 3 , and the shock absorbing assembly 9 is fixed between the upper cross tube 301 and the lower cross tube 401 through a U-shaped mounting frame 14 .

[0026] Specifically, connecting rods 5 are provided inside the supporting rear frame 1, inside the supporting front frame 2, and inside the seat frame 3; by providing the connecting rods 5, the structural fixation of the supporting rear frame 1, the supporting front frame 2 and the seat frame 3 is strengthened, making the overall structure of the wheelchair more solid and durable.

[0027] Specifically, a footrest 6 is fixedly installed at the bottom front end of the supporting front frame 2; by providing the footrest 6, a place for the patient to rest his feet can be provided, thereby improving the patient's comfort.

[0028] Specifically, a horizontal handrail 7 is fixedly installed on the front side of the chair frame 4, and the handrail 7 is located above the seat frame 3; by providing the handrail 7, support can be provided for the patient's arms, thereby improving the patient's comfort.

[0029] Specifically, a handbrake 8 and a footbrake 12 are respectively provided at the top of the backrest frame 4 and the bottom of the supporting rear frame 1; the handbrake 8 and the footbrake 12 are provided to facilitate braking and stopping the wheelchair.

[0030] Specifically, cotton pads 10 are provided on the upper surface of the seat frame 3 and the front side of the backrest frame 4 , and universal wheels 11 are provided on the bottom of the supporting rear frame 1 and the bottom of the supporting front frame 2 .

[0031] Specifically, a limiting plate 13 is arranged on the inner side of the supporting rear frame 1, and a strip-shaped limiting groove 1301 is opened on the limiting plate 13, and a movable shaft slidingly matched with the limiting groove 1301 is arranged on the inner side of the rear end of the seat frame 3; in this way, through the sliding cooperation between the movable shaft and the limiting groove 1301, when the shock absorbing assembly 9 is extended or retracted, the seat frame 3 can move up and down accordingly, which helps to assist the shock absorbing assembly 9 in absorbing the shock of the wheelchair.

[0032] Working principle:

[0033] The utility model arranges a shock absorbing component 9 between the upper transverse tube 301 and the lower transverse tube 401, so as to enhance the shock absorbing effect of the wheelchair through the shock absorbing component 9, and utilizes the shock absorbing component 9 to reduce the vibration generated when the patient sits in the wheelchair and moves on a bumpy road surface, thereby improving the patient's riding comfort.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheelchair frame structure with shock absorption function, characterized in that: The invention comprises a supporting rear frame (1), a supporting front frame (2), a seat frame (3) and a backrest frame (4); the tops of the supporting front frame (2) and the supporting rear frame (1) are interlaced with the front end of the seat frame (3), and the interlaced parts are movably connected via a movable shaft; the rear end of the seat frame (3) is movably connected with the backrest frame (4); a shock absorbing component (9) is installed on the rear side of the seat frame (3); a limiting plate (13) is arranged on the inner side of the supporting rear frame (1), a strip-shaped limiting groove (1301) is opened on the limiting plate (13), and a movable shaft slidably matched with the limiting groove (1301) is arranged on the inner side of the rear end of the seat frame (3).

2. The wheelchair frame structure with shock absorption function according to claim 1, characterized in that: The rear end of the seat frame (3) is bent upward, and an upper transverse tube (301) is provided at the bent portion; a lower transverse tube (401) is provided at the bottom of the seat frame (3); and the shock absorbing assembly (9) is fixed between the upper transverse tube (301) and the lower transverse tube (401) via a U-shaped mounting frame (14).

3. The wheelchair frame structure with shock absorption function according to claim 1, characterized in that: Connecting rods (5) are arranged inside the supporting rear frame (1), inside the supporting front frame (2), and inside the seat frame (3).

4. The wheelchair frame structure with shock absorption function according to claim 1, characterized in that: A footrest (6) is fixedly mounted on the front bottom portion of the supporting front frame (2).

5. The wheelchair frame structure with shock absorption function according to claim 1, characterized in that: A horizontal handrail (7) is fixedly mounted on the front side of the backrest frame (4), and the handrail (7) is located above the seat frame (3).

6. The wheelchair frame structure with shock absorption function according to claim 1, characterized in that: The top of the backrest frame (4) and the bottom of the supporting rear frame (1) are respectively provided with a hand brake (8) and a foot brake (12).

7. The wheelchair frame structure with shock absorption function according to claim 1, characterized in that: Cotton pads (10) are provided on the upper surface of the seat frame (3) and the front side of the backrest frame (4).

8. The wheelchair frame structure with shock absorption function according to claim 1, characterized in that: Universal wheels (11) are provided at the bottom of the supporting rear frame (1) and the bottom of the supporting front frame (2).

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