Balance supporting device for wheelchair

Abstract

The utility model discloses a balance supporting device for a wheelchair, which comprises a tappet balance mechanism, and the tappet balance mechanism is hinged to the rear part of a walking mechanism and is used for supporting the walking mechanism. The utility model has the beneficial effects that the tappet balance mechanism is arranged behind the walking mechanism, the walking mechanism and the tappet balance mechanism can be controlled by the controller to achieve better balance when encountering obstacles or climbing stairs, the structure is simple, reasonable and compact, the manufacturing cost is low, the operation is convenient, and the working efficiency is improved. In addition, the walking mechanism is further provided with a balance driving device, different control modes can be selected according to different working conditions, the applicability is wide, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair technical field, concretely relates to a balance support device for wheelchair. BACKGROUND

[0002] The most important structure for climbing stairs or passing obstacles is the balance support structure of the wheelchair, and most of the current support structures are of a track type, which climbs stairs by increasing the friction force on the ground through a track. Another type is a variable wheel type, which climbs stairs by changing the shape of the wheel. These two types of wheelchairs have a common feature that the structure is complex. The track scheme requires a track structure, a track drive motor, and a drive structure. The wheel design of the variable wheel type requires a very complex structure. There is a lack of a low-cost, high-reliability, and high-comfort wheelchair balance support structure that can climb stairs and has certain obstacle-crossing ability on the market. SUMMARY

[0003] The purpose of the utility model is to solve the above problems, as described below.

[0004] To achieve the above purpose, the utility model provides the following technical scheme:

[0005] The balance support device for wheelchair provided by the utility model comprises a tappet balance mechanism, the tappet balance mechanism is hingedly installed at the rear part of the walking mechanism, and is used for supporting the walking mechanism.

[0006] As a preferred, the tappet balance mechanism comprises a tappet driving device, a tappet, and a second connecting piece; one end of the tappet driving device is connected to the walking mechanism; the other end of the tappet driving device is installed on the tappet, the tappet is hingedly connected to the walking mechanism through the second connecting piece, the tappet driving device is driven, and the tappet driving device can drive the tappet to rotate along the walking mechanism, so that the tappet contacts or moves away from the contact object.

[0007] As a preferred, the tappet is an elastic piece with an arc-shaped structure.

[0008] As a preferred, the second connecting piece is a U-shaped connecting piece.

[0009] As a preferred, the U-shaped connecting piece is detachably installed at one end of the tappet.

[0010] As a preferred, the U-shaped connecting piece is fixedly installed at one end of the tappet.

[0011] As a preferred, the second connecting piece is provided with a connecting hole, and the second connecting piece is hingedly installed on the walking mechanism through a bolt.

[0012] As preferred, the balance wheel mechanism is detachably installed on the walking mechanism.

[0013] As preferred, the balance wheel mechanism comprises a balance wheel, a balance driving device and a first connecting piece; one end of the balance driving device is connected to the walking mechanism; the other end of the balance driving device is installed with the balance wheel; one end of the balance wheel is hinged to the walking mechanism through the first connecting piece, and drives the balance driving device, which drives the balance wheel to move up and down; the motor controller is electrically connected with the balance driving device, the tappet driving device and the driving motor.

[0014] As preferred, the balance wheel mechanism is two groups, and the two groups of balance wheel mechanisms are installed on the two sides of the walking mechanism.

[0015] As preferred, the controller is electrically connected with the walking mechanism, the balance driving device and the tappet driving device.

[0016] The beneficial effect is that: the tappet balance mechanism is arranged behind the walking mechanism, and when obstacles or stairs are encountered, the walking mechanism and the tappet balance mechanism can be controlled by the controller to achieve better balance, the structure is simple, reasonable and compact, the manufacturing cost is low, and the operation is convenient, in addition, the balance driving device is arranged on the walking mechanism, different control modes can be selected according to different working conditions, and the applicability is wide and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 is a schematic view of the three-dimensional structure of the present application;

[0019] Figure 2 is a schematic view of the balance wheel mechanism and the tappet balance mechanism installation structure of the present application;

[0020] Figure 3 is a schematic view of the structure of the tappet balance mechanism of the present application;

[0021] Figure 4 is a schematic view of the structure of the balance wheel mechanism of the present application.

[0022] The signs in the drawings are explained as follows:

[0023] 1, walking mechanism; 2, balance wheel mechanism; 201, balance wheel; 202, balance driving device; 203, first connecting piece; 3, tappet balance mechanism; 301, tappet driving device; 302, tappet; 303, second connecting piece. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model.

[0025] Embodiment one:

[0026] Referring to Figures 1-4 The utility model provides a kind of balance support device for wheelchair, including tappet balance mechanism 3, the tappet balance mechanism 3 is hingedly installed in rear of walking mechanism 1, for supporting walking mechanism 1.

[0027] In the embodiment, the tappet balance mechanism 3 includes tappet driving device 301, tappet 302 and second connecting piece 303;The tappet driving device 301 one end is connected on walking mechanism 1;The tappet driving device 301 other end is installed on tappet 302, tappet 302 is hingedly connected on walking mechanism 1 by second connecting piece 303, drive tappet driving device 301, tappet driving device 301 can drive tappet 302 along walking mechanism 1 rotation, so that tappet 302 contact or far from contact object.

[0028] In the embodiment, the tappet 302 is elastic member with arc structure.

[0029] In the embodiment, the second connecting piece 303 is U-shaped connecting piece.

[0030] In the embodiment, the U-shaped connecting piece is fixedly installed in one end of tappet 302.

[0031] In the embodiment, the second connecting piece 303 is provided with connecting hole, and the second connecting piece 303 is hingedly installed on walking mechanism 1 by bolt.

[0032] In the embodiment, it also includes balance wheel mechanism 2;Balance wheel mechanism 2 can be detachably installed on walking mechanism 1.

[0033] In the embodiment, the balance wheel mechanism 2 comprises a balance wheel 201, a balance driving device 202 and a first connecting piece 203; one end of the balance driving device 202 is connected to the walking mechanism 1; the balance wheel 201 is installed at the other end of the balance driving device 202; one end of the balance wheel 201 is hinged to the walking mechanism 1 through the first connecting piece 203, and drives the balance driving device 202; the balance driving device 202 drives the balance wheel 201 to move up and down; and the motor controller is electrically connected with the balance driving device 202, the tappet driving device 301 and the driving motor.

[0034] In the embodiment, the balance wheel mechanism 2 is two groups, and the two groups of balance wheel mechanisms 2 are installed on the two sides of the walking mechanism 1.

[0035] In the embodiment, the controller is electrically connected with the walking mechanism 1, the balance driving device 202 and the tappet driving device 301.

[0036] The above structure is applied as follows: the operator can operate the controller to send a control signal; after receiving the signal, the motor controller sends signals to three mechanisms: the balance wheel mechanism 2: after receiving the signal, the balance wheel mechanism 2 controls the balance driving device 202 to drive the balance wheel 201 to start the lifting or lowering operation; the tappet balance mechanism 3: after receiving the signal, the tappet balance mechanism 3 controls the tappet driving device 301 to drive the tappet 302 to start the lifting or lowering operation; the driving mechanism of the walking mechanism 1: after receiving the signal, the driving motor controls the two tires to start rotating or stopping. The three parts dynamically adjust the angles of the three mechanisms according to the slope of the stairs or obstacles, the weight of the human body, the center of gravity of the human body and other factors, so as to ensure more stable and safe climbing of the stairs or obstacles. If it is a flat road, the walking mechanism 1 and the balance wheel 201 below the driving balance device can be started to achieve the balance wheel 201 and the ground contact, increase the balance stability, and the tappet balance mechanism 3 can also be removed according to the need, the structure is compact and reasonable, and the application range is wide.

[0037] The beneficial effects are that: the tappet balance mechanism 3 is arranged behind the walking mechanism 1, and when obstacles or stairs are encountered, the walking mechanism 1 and the tappet balance mechanism 3 can be controlled by the controller to achieve better balance, the structure is simple, reasonable and compact, the manufacturing cost is low, the operation is convenient, and in addition, the balance driving device 202 is arranged on the walking mechanism 1, different control modes can be selected according to different working conditions, the applicability is wide and the operation is convenient.

[0038] Embodiment two:

[0039] Referring to Figures 1-4The utility model provides a kind of balance supporting device for wheelchair, including tappet balance mechanism 3, the tappet balance mechanism 3 is hinged in rear of walking mechanism 1, for supporting walking mechanism 1.

[0040] In the embodiment, the tappet balance mechanism 3 includes tappet driving device 301, tappet 302 and second connecting piece 303; one end of the tappet driving device 301 is connected to the walking mechanism 1; the other end of the tappet driving device 301 is installed on the tappet 302, the tappet 302 is hinged on the walking mechanism 1 through the second connecting piece 303, the tappet driving device 301 is driven, and the tappet driving device 301 can drive the tappet 302 to rotate along the walking mechanism 1, so that the tappet 302 contacts or moves away from the contact object.

[0041] In the embodiment, the tappet 302 is an elastic member with an arc-shaped structure.

[0042] In the embodiment, the second connecting piece 303 is a U-shaped connecting piece.

[0043] In the embodiment, the U-shaped connecting piece is detachably installed at one end of the tappet 302.

[0044] In the embodiment, the second connecting piece 303 is provided with a connecting hole, and the second connecting piece 303 is hingedly installed on the walking mechanism 1 by a bolt.

[0045] In the embodiment, it further includes a balance wheel mechanism 2; the balance wheel mechanism 2 is detachably installed on the walking mechanism 1.

[0046] In the embodiment, the balance wheel mechanism 2 includes a balance wheel 201, a balance driving device 202 and a first connecting piece 203; one end of the balance driving device 202 is connected to the walking mechanism 1; the balance wheel 201 is installed at the other end of the balance driving device 202; one end of the balance wheel 201 is hinged on the walking mechanism 1 through the first connecting piece 203, the balance driving device 202 is driven, the balance driving device 202 drives the balance wheel 201 to move up and down, and the motor controller is electrically connected to the balance driving device 202, the tappet driving device 301 and the driving motor.

[0047] In the embodiment, the balance wheel mechanism 2 is two groups, and the two groups of balance wheel mechanisms 2 are installed on both sides of the walking mechanism 1.

[0048] In the embodiment, it further includes a controller, and the controller is electrically connected to the walking mechanism 1, the balance driving device 202 and the tappet driving device 301.

[0049] The difference between the embodiment and the embodiment one is that the U-shaped connecting piece is detachably installed at one end of the tappet 302, the structure is detachable structure, and the installation, disassembly and replacement are convenient, and the operation is convenient and fast.

[0050] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A balancing support device for a wheelchair, characterized by: The application relates to a walking mechanism balance mechanism, which comprises a tappet balance mechanism hingedly mounted at the rear of a walking mechanism for supporting the walking mechanism. The tappet balance mechanism comprises a tappet driving device, a tappet and a second connecting piece; one end of the tappet driving device is connected to the walking mechanism; the other end of the tappet driving device is mounted on the tappet; the tappet is hingedly connected to the walking mechanism through the second connecting piece; the tappet driving device is driven; the tappet driving device can drive the tappet to rotate along the walking mechanism, so that the tappet contacts or is away from the contact object.

2. The balancing support device for a wheelchair according to claim 1, characterized by: The tappet is an elastic piece with an arc structure.

3. The balancing support device for a wheelchair according to claim 2, characterized by: The second connecting piece is a U-shaped connecting piece.

4. The balancing support device for a wheelchair according to claim 3, characterized by: The U-shaped connecting piece is detachably mounted on one end of the tappet.

5. The balancing support device for a wheelchair according to claim 3, characterized by: The U-shaped connecting piece is fixedly mounted on one end of the tappet.

6. The balancing support device for a wheelchair according to claim 3, characterized by: The second connecting piece is provided with a connecting hole, and the second connecting piece is hingedly mounted on the walking mechanism through bolts.

7. The balancing support device for a wheelchair according to any one of claims 1 to 6, characterized by: The application further comprises a balance wheel mechanism; the balance wheel mechanism is detachably mounted on the walking mechanism.

8. The balancing support device for a wheelchair according to claim 7, characterized by: The balance wheel mechanism comprises a balance wheel, a balance driving device and a first connecting piece; one end of the balance driving device is connected to the walking mechanism; the other end of the balance driving device is mounted with the balance wheel; one end of the balance wheel is hingedly connected to the walking mechanism through the first connecting piece; the balance driving device is driven; the balance driving device drives the balance wheel to move up and down; the motor controller is electrically connected with the balance driving device, the tappet driving device and the driving motor.

9. The balancing support device for a wheelchair according to claim 8, characterized by: The balance wheel mechanism is two groups, and the two groups of balance wheel mechanisms are respectively mounted on the two sides of the walking mechanism.

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