CN212015984U - Crawler-type ladder wheelchair - Google Patents

Abstract

The utility model provides a crawler-type cat ladder wheelchair, include: the wheelchair comprises a wheelchair, an upstairs going mechanism arranged on the back of the wheelchair, a downstairs going mechanism arranged on the bottom of the wheelchair, a control panel arranged on a handrail of the wheelchair, a controller arranged below the wheelchair and a driving motor; wherein, control panel with the input electrical connection of controller, the output of controller with driving motor electrical connection, driving motor's output shaft with upstairs mechanism connects, driving motor's output shaft with downstairs mechanism connects, based on the utility model discloses a crawler-type cat ladder wheelchair aims at solving how to make old man or the disabled person who sits on the wheelchair under the condition of no other people's help, goes up and down stairs through the wheelchair.

Description

Crawler-type ladder wheelchair

Technical Field

The utility model relates to a wheelchair field, in particular to crawler-type cat ladder wheelchair.

Background

China is gradually stepping into an aging society. The old and disabled who lack elevator facilities and have high living floors cannot go up and down stairs alone due to physical reasons. Wheelchairs are the most commonly used tools for walking assistance for disabled persons and elderly people with impaired legs and feet. The structure of common wheelchairs in the market can be divided into a manual wheelchair and an electric wheelchair. Manual wheelchairs are mostly driven by hand rims; the electric wheelchair is driven by a direct current motor with a reduction box and controlled by a rocking handle. The common wheelchair can adapt to common indoor environment and outdoor road conditions, but is difficult to go upstairs and downstairs.

At present, the most widely used auxiliary device is a crawler-type auxiliary device, but the climbing up and down stairs can be realized only by assistance of other people, and the truly independent climbing up and down stairs cannot be realized. There are some disadvantages to some extent.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a crawler-type cat ladder wheelchair, which aims to solve the problem that how to make the old or disabled sitting on the wheelchair go upstairs and downstairs through the wheelchair under the condition of no help of other people.

The utility model discloses a realize like this:

a tracked ladder wheelchair comprising: the wheelchair comprises a wheelchair, an upstairs going mechanism arranged on the back of the wheelchair, a downstairs going mechanism arranged on the bottom of the wheelchair, a control panel arranged on a handrail of the wheelchair, a controller arranged below the wheelchair and a driving motor;

the control panel is electrically connected with the input end of the controller, the output end of the controller is electrically connected with the driving motor, the output shaft of the driving motor is connected with the upstairs going mechanism, and the output shaft of the driving motor is connected with the downstairs going mechanism.

Preferably, the upstairs going mechanism comprises: the device comprises a first supporting plate, a first driving rod and a first crawler belt;

wherein, first backup pad is fixed the back of wheelchair, the first end of first actuating lever is fixed on the first backup pad, the second end of first actuating lever is fixed on the bracing piece of first track, first actuating lever with the output electrical connection of controller, driving motor's output shaft first track is connected.

Preferably, the upstairs going mechanism comprises: the second support plate, the second driving rod and the second crawler belt;

the second support plate is fixed to the bottom of the wheelchair, a first end of a second driving rod is fixed to the second support plate, a second end of the second driving rod is fixed to a supporting rod of a second crawler, the second driving rod is electrically connected with an output end of the controller, and an output shaft of the driving motor is connected with the second crawler.

Preferably, the control panel includes: a control lever and a switch button;

the control rod and the switching button are electrically connected with the input end of the controller.

Preferably, the first drive rod and the second drive rod are hydraulic rods.

Preferably, the method further comprises the following steps: an upper buckle and a lower buckle;

the upper buckle is fixed on the first supporting plate, the lower buckle is fixed on the second supporting plate, and the upper buckle and the lower buckle are used for limiting the movement of the wheels of the wheelchair.

Preferably, the chip model of the controller is a Hall SOT23 chip.

Based on the utility model provides a pair of crawler-type cat ladder wheelchair, when the cat ladder is carried out to needs, through the switching button on the control panel, switch the wheelchair to the cat ladder mode, first actuating lever through control lever control upstairs mechanism puts down first track and the laminating of tread, carry out the cat ladder, when needs descend stair, through the switching button on the control panel, switch the wheelchair to the mode of downstairs, the second actuating lever through control lever control downstairs mechanism puts down the second track and the laminating of tread, go downstairs.

Drawings

FIG. 1 is a schematic structural view of a crawler-type ladder wheelchair according to the present invention;

fig. 2 is a back schematic view of the crawler ladder wheelchair provided by the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention discloses a crawler ladder wheelchair 1, which aims to solve the problem of how to make the old or disabled sitting on the wheelchair 1 go upstairs and downstairs through the wheelchair 1 without help from other people.

The embodiment of the utility model provides a crawler-type cat ladder wheelchair 1, include: the wheelchair comprises a wheelchair 1, an upstairs going mechanism arranged on the back of the wheelchair 1, a downstairs going mechanism arranged on the bottom of the wheelchair 1, a control panel 2 arranged on an armrest of the wheelchair 1, and a controller and a driving motor 11 arranged below the wheelchair 1;

the control panel 2 is electrically connected with an input end of the controller, an output end of the controller is electrically connected with the driving motor 11, an output shaft of the driving motor 11 is connected with the upstairs going mechanism, and an output shaft of the driving motor 11 is connected with the downstairs going mechanism.

It should be noted that the control panel 2 is configured to communicate with the controller and send a control signal to the controller, and the controller controls the upstairs going mechanism, the downstairs going mechanism and the driving motor 11 to communicate with each other, so as to drive the upstairs going mechanism and the downstairs going mechanism to go upstairs and downstairs through the driving motor 11.

In the present embodiment, the control panel 2 includes: a control lever and a switch button; the control rod and the switching button are electrically connected with the input end of the controller.

The switching button and the control rod are used for communicating with the controller to switch the mode of the wheelchair 1, wherein the mode of the wheelchair 1 comprises an upstairs mode, a downstairs mode and a common wheelchair 1 mode, when the mode is switched to the downstairs mode, the control rod controls the downstairs mechanism, and when the mode is switched to the upstairs mode, the control rod controls the upstairs mechanism.

In this embodiment, the upstairs mechanism includes: a first supporting plate 10, a first driving rod 8 and a first crawler belt 9;

wherein, first backup pad 10 is fixed the back of wheelchair 1, the first end of first actuating lever 8 is fixed on first backup pad 10, the second end of first actuating lever 8 is fixed on the bracing piece of first track 9, first actuating lever 8 with the output end electrical connection of controller, driving motor 11's output shaft first track 9 is connected.

It should be noted that when going upstairs, the wheelchair 1 is moved to face away from the stairs, the change-over switch is switched to the upstairs going mode, the first driving rod 8 is controlled to place the first crawler belt 9 to be attached to the tread through the left-right movement of the control rod, and the driving motor 11 is controlled to drive the first crawler belt 9 to rotate through the front-back movement of the control rod, so as to climb the stairs.

In this embodiment, the upstairs mechanism includes: a second support plate 3, a second drive rod 4 and a second crawler 5;

the second support plate 3 is fixed to the bottom of the wheelchair 1, a first end of the second driving rod 4 is fixed to the second support plate 3, a second end of the second driving rod 4 is fixed to a supporting rod of the second crawler 5, the second driving rod 4 is electrically connected to an output end of the controller, and an output shaft of the driving motor 11 is connected to the second crawler 5.

It should be noted that when going downstairs, the wheelchair 1 is moved to just face the stairs, the change-over switch is switched to the downstairs mode, the second driving rod 4 is controlled to place the second crawler 5 to be attached to the tread by the left-right movement of the control rod, and the driving motor 11 is controlled to drive the second crawler 5 to rotate by the front-back movement of the control rod, so as to go downstairs.

In this embodiment, the first driving rod 8 and the second driving rod 4 may be hydraulic rods.

It should be noted that, in other embodiments, the first driving rod 8 and the second driving rod 4 may also be other types of driving rods for lifting the first track 9 and the second track 5, which is not limited herein, but these solutions are all within the scope of the present invention.

In this embodiment, the method further includes: an upper buckle 7 and a lower buckle 6;

the upper buckle 7 is fixed on the first support plate 10, the lower buckle 6 is fixed on the second support plate 3, and the upper buckle 7 and the lower buckle 6 are used for limiting the movement of the wheels of the wheelchair 1.

The upper buckle 7 and the lower buckle 6 are used to slide the upper buckle 7 and the lower buckle 6 to be locked to the wheels of the wheelchair 1 and restrict the movement of the wheels when a person who needs to sit on the wheelchair 1 needs to fix the wheelchair 1 at a certain position.

In this embodiment, the chip model of the controller is a hall SOT23 chip.

It should be noted that, in other embodiments, the type of the chip of the controller may also be other types of types, and is used for receiving the control signal of the control panel 2 and outputting the control signal to the driving motor 11 and the hydraulic driving rod, and the types may be selected according to actual situations, and are not specifically limited herein, but these schemes are all within the scope of the present invention.

Based on the utility model provides a pair of crawler-type cat ladder wheelchair, when the cat ladder is carried out to needs, through the switching button on the control panel, switch the wheelchair to the cat ladder mode, first actuating lever through control lever control upstairs mechanism puts down first track and the laminating of tread, carry out the cat ladder, when needs descend stair, through the switching button on the control panel, switch the wheelchair to the mode of downstairs, the second actuating lever through control lever control downstairs mechanism puts down the second track and the laminating of tread, go downstairs.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims (7)

1. A crawler-type ladder wheelchair, comprising: the wheelchair comprises a wheelchair, an upstairs going mechanism arranged on the back of the wheelchair, a downstairs going mechanism arranged on the bottom of the wheelchair, a control panel arranged on a wheelchair armrest, a controller arranged below the wheelchair and a driving motor, wherein the driving motor comprises an upstairs going motor and a downstairs going motor;

the control panel is electrically connected with the input end of the controller, the output end of the controller is electrically connected with the driving motor, the output shaft of the upstairs going motor is connected with the upstairs going mechanism, and the output shaft of the downstairs going motor is connected with the downstairs going mechanism.

2. The tracked ladder wheelchair of claim 1, wherein the upstairs mechanism comprises: the device comprises a first supporting plate, a first driving rod and a first crawler belt;

wherein, first backup pad is fixed the back of wheelchair, the first end of first actuating lever is fixed on the first backup pad, the second end of first actuating lever is fixed on the bracing piece of first track, first actuating lever with the output electrical connection of controller, the output shaft of motor upstairs first track is connected.

3. The tracked, ladder-climbing wheelchair as claimed in claim 2, wherein the downstairs mechanism comprises: the second support plate, the second driving rod and the second crawler belt;

the second support plate is fixed to the bottom of the wheelchair, a first end of a second driving rod is fixed to the second support plate, a second end of the second driving rod is fixed to a supporting rod of a second crawler, the second driving rod is electrically connected with an output end of the controller, and an output shaft of the downstairs motor is connected with the second crawler.

4. The tracked, ladder wheelchair of claim 1, wherein the control panel comprises: a control lever and a switch button;

the control rod and the switching button are electrically connected with the input end of the controller.

5. The tracked ladder wheelchair of claim 3, wherein the first drive rod and the second drive rod are hydraulic rods.

6. The tracked ladder wheelchair of claim 3, further comprising: an upper buckle and a lower buckle;

the upper buckle is fixed on the first supporting plate, the lower buckle is fixed on the second supporting plate, and the upper buckle and the lower buckle are used for limiting the movement of the wheels of the wheelchair.

7. The crawler-type ladder wheelchair as claimed in claim 1, wherein the controller is provided with a chip model of Hall SOT23 chip.

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