CN216222066U

CN216222066U - Wheelchair damping device

Info

Publication number: CN216222066U
Application number: CN202122075482.5U
Authority: CN
Inventors: 刘红举; 刘涟
Original assignee: Endelai Rehabilitation Utensil Beijing Co ltd
Current assignee: Endelai Rehabilitation Utensil Beijing Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-08
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a damping device for a wheelchair, which relates to the technical field of medical instruments and comprises a chair and a frame, wherein one side of the frame, which is close to the chair, is fixedly provided with two supporting frames, the insides of the two supporting frames are respectively provided with a movable groove, a second sliding block is arranged in the movable grooves in a sliding and penetrating manner, a connecting rod is fixedly arranged between the two second sliding blocks, and one side of the second sliding block, which is far away from the frame, is fixedly provided with a fourth spring. The use effect of the user is improved.

Description

Wheelchair damping device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a wheelchair damping device.

Background

The walking-aid wheelchair is a medical special device, the function of which is set as a service object for specific people or the old, and particularly for people with mobility disabilities, the walking-aid wheelchair is not only a walking tool, but also can walk and participate in social activities by virtue of the wheelchair.

However, in the prior art, although a certain damping device is installed in the existing wheelchair, the damping effect is not obvious, the bumping generated when the existing wheelchair encounters a large pit still brings a poor experience to people easily, and the wheelchair with the poor damping effect is easy to fall down when going out, so that the safety of users is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a wheelchair damping device.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a wheelchair damping device, includes chair and frame, one side fixed mounting that the frame is close to the chair has two carriage, two the movable groove has all been seted up to the inside of carriage, and slides in the movable groove and run through and install the second slider, two fixed mounting has the connecting rod between the second slider, one side fixed mounting that the frame was kept away from to the second slider has the fourth spring, and the other end of fourth spring installs on the inner wall of movable groove, one side pivot that the connecting rod was kept away from to the second slider is connected with the bull wheel.

As a preferred embodiment, a connecting plate is fixedly mounted on one side of the supporting frame away from the second slider, a first spring is fixedly mounted on one side of the connecting plate close to the chair, and one end of the first spring away from the connecting plate is fixedly mounted on the chair.

As a preferred embodiment, a telescopic rod is fixedly mounted on the frame, one end of the telescopic rod, which is far away from the frame, is fixedly mounted on the chair, a second spring is nested on the telescopic rod, one end of the second spring is fixedly mounted on the frame, and the other end of the second spring is fixedly mounted on the chair.

As a preferred embodiment, the frame is fixedly provided with a mounting plate, the mounting plate is provided with a chute, two first sliders are symmetrically and slidably mounted in the chute, one side of each first slider, which is far away from the mounting plate, is rotatably connected with a rotating plate, and one end of each rotating plate, which is far away from the first slider, is rotatably mounted on the chair.

In a preferred embodiment, a third spring is fixedly installed between the two first sliding blocks, and the position of the mounting plate is parallel to the position of the connecting plate.

As a preferred embodiment, fixed mounting has the fixed plate on the frame, and slides on the fixed plate and run through and install the spliced pole, the one end fixed mounting that the fixed plate was kept away from to the spliced pole has the truckle, the cover is equipped with the fourth spring on the spliced pole, fourth spring fixed mounting is between the top surface of truckle and fixed plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. when the chair is subjected to external force, the first spring is stressed and compressed, so that part of the external force is reduced, the buffering effect is achieved, then the frame moves downwards under the action of the external force, and the fourth spring is extruded, so that the second sliding block moves up and down in the movable groove, the buffering effect can be achieved, the shock absorption effect is improved, and the user experience degree is improved.

2. According to the utility model, when the small wheel is subjected to external force, the connecting column moves up and down on the fixed plate and extrudes the fourth spring, and when the chair moves downwards, the rotating plate is extruded to drive the first sliding block to move in the sliding groove, and when the first sliding block moves in the opposite direction, a tensile force is applied to the third spring, so that the effect of offsetting the external force is achieved, the buffering and damping effects are improved, the safety of the device is effectively improved, and the using effect of a user is improved.

Drawings

FIG. 1 is a schematic perspective view of a shock absorbing device for a wheelchair according to the present invention;

FIG. 2 is a schematic top view of a shock absorbing device for a wheelchair according to the present invention;

FIG. 3 is an enlarged schematic view of the shock absorbing device of the wheelchair shown at A in FIG. 2;

fig. 4 is an enlarged structural view of a shock-absorbing device for a wheelchair shown in fig. 1B according to the present invention.

Illustration of the drawings: 1. a chair; 2. a large wheel; 3. a first spring; 4. a connecting rod; 5. a second spring; 6. a telescopic rod; 7. a connecting plate; 8. a frame; 9. mounting a plate; 10. a rotating plate; 11. a third spring; 12. a first slider; 13. a support frame; 14. a fourth spring; 15. a second slider; 16. connecting columns; 17. a small wheel.

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.

Example 1

As shown in fig. 1 to 4, the present invention provides a technical solution: a damping device for a wheelchair comprises a chair 1 and a frame 8, wherein two supporting frames 13 are fixedly arranged on one side of the frame 8 close to the chair 1, movable grooves are formed in the two supporting frames 13, second sliders 15 are slidably arranged in the movable grooves in a penetrating manner, a connecting rod 4 is fixedly arranged between the two second sliders 15, a fourth spring 14 is fixedly arranged on one side of each second slider 15 far away from the frame 8, the other end of the fourth spring 14 is arranged on the inner wall of each movable groove, a large wheel 2 is connected with a rotating shaft of one side of each second slider 15 far away from the connecting rod 4, a connecting plate 7 is fixedly arranged on one side of each supporting frame 13 far away from the second slider 15, a first spring 3 is fixedly arranged on one side of each connecting plate 7 close to the chair 1, one end of each first spring 3 far away from the connecting plate 7 is fixedly arranged on the chair 1, a telescopic rod 6 is fixedly arranged on the frame 8, and one end of each telescopic rod 6 far away from the frame 8 is fixedly arranged on the chair 1, the telescopic rod 6 is nested with a second spring 5, one end of the second spring 5 is fixedly installed on the frame 8, and the other end of the second spring 5 is fixedly installed on the chair 1.

In this embodiment, when chair 1 receives external force, first spring 3 atress compression at first, partial external force has been reduced, the effect of buffering has been played, then frame 8 downstream under the effect of external force, and extrude fourth spring 14, make second slider 15 at the activity groove up-and-down motion, this effect that not only can play the buffering, can also reach absorbing effect, also can offset jolt of big wheel 2 when the motion, flexible 6 contracts when receiving external force, make second spring 5 shrink, improve buffering absorbing effect, user experience degree has been improved.

Example 2

As shown in fig. 1-4, a mounting plate 9 is fixedly mounted on a frame 8, a chute is formed in the mounting plate 9, two first sliders 12 are symmetrically and slidably mounted in the chute, one side, away from the mounting plate 9, of each first slider 12 is rotatably connected with a rotating plate 10, one end, away from the first slider 12, of each rotating plate 10 is rotatably mounted on the chair 1, a third spring 11 is fixedly mounted between the two first sliders 12, the position of the mounting plate 9 is parallel to that of the connecting plate 7, a fixing plate is fixedly mounted on the frame 8, a connecting column 16 is slidably installed on the fixing plate in a penetrating mode, a small wheel 17 is fixedly mounted at one end, away from the fixing plate, of the connecting column 16, a fourth spring 14 is sleeved on the connecting column 16, and the fourth spring 14 is fixedly mounted between the top surface of the small wheel 17 and the fixing plate.

In this embodiment, when the steamboat 17 receives external force, spliced pole 16 moves up and down at the fixed plate, and extrude fourth spring 14, play the absorbing effect of buffering, and when chair 1 downstream, extrude rotor plate 10, make rotor plate 10 drive first slider 12 move in the spout, when first slider 12 moves back on the back, give third spring 11 pulling force, reach the effect of offsetting external force, the absorbing effect of buffering has been improved, the effectual security that has improved the device, user's result of use improves.

The working principle of the embodiment is as follows:

as shown in fig. 1-4, when the chair 1 is subjected to an external force, the first spring 3 is compressed under a force, then the frame 8 moves downward under the action of the external force and presses the fourth spring 14, so that the second slider 15 moves up and down in the movable groove, the telescopic part 6 contracts under the action of the external force, so that the second spring 5 contracts, and simultaneously the rotating plate 10 is pressed, so that the rotating plate 10 drives the first slider 12 to move in the sliding groove, when the first slider 12 moves away from each other, a pulling force is applied to the third spring 11, and finally the connecting column 16 moves up and down on the fixed plate and presses the fourth spring 14.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A wheelchair damping device, includes chair (1) and frame (8), its characterized in that: frame (8) are close to one side fixed mounting of chair (1) have two carriage (13), two movable groove has all been seted up to the inside of carriage (13), and slides in the movable groove and run through and install second slider (15), two fixed mounting has connecting rod (4) between second slider (15), one side fixed mounting that frame (8) were kept away from in second slider (15) has fourth spring (14), and the other end of fourth spring (14) installs on the inner wall in movable groove, one side pivot that connecting rod (4) were kept away from in second slider (15) is connected with bull wheel (2).

2. A wheelchair cushioning apparatus of claim 1, wherein: one side fixed mounting that second slider (15) was kept away from in carriage (13) has connecting plate (7), one side fixed mounting that connecting plate (7) are close to chair (1) has first spring (3), the one end fixed mounting that connecting plate (7) were kept away from in first spring (3) is on chair (1).

3. A wheelchair cushioning apparatus of claim 1, wherein: fixed mounting has telescopic link (6) on frame (8), and telescopic link (6) keep away from the one end fixed mounting of frame (8) on chair (1), nested second spring (5) on telescopic link (6), the other end fixed mounting of the one end fixed mounting of second spring (5) on frame (8) and second spring (5) is on chair (1).

4. A wheelchair cushioning apparatus of claim 3, wherein: fixed mounting has mounting panel (9) on frame (8), the spout has been seted up on mounting panel (9), and symmetrical slidable mounting has two first sliders (12) in the spout, one side that mounting panel (9) were kept away from in first slider (12) is rotated and is connected with rotor plate (10), and rotor plate (10) keep away from the one end rotation of first slider (12) and install on chair (1).

5. A wheelchair cushioning apparatus of claim 4, wherein: and a third spring (11) is fixedly mounted between the first sliding blocks (12), and the position of the mounting plate (9) is parallel to that of the connecting plate (7).

6. A wheelchair cushioning apparatus of claim 5, wherein: fixed mounting has the fixed plate on frame (8), and slides on the fixed plate and run through and install spliced pole (16), the one end fixed mounting that the fixed plate was kept away from to spliced pole (16) has truckle (17), the cover is equipped with fourth spring (14) on spliced pole (16), fourth spring (14) fixed mounting is between the top surface and the fixed plate of truckle (17).