CN202173535U

CN202173535U - Electric stair climbing wheelchair

Info

Publication number: CN202173535U
Application number: CN201120293100XU
Authority: CN
Inventors: 随长胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-12
Filing date: 2011-08-12
Publication date: 2012-03-28
Anticipated expiration: 2021-08-12

Abstract

The utility model relates to an electric stair climbing wheelchair, including a seat frame, back and forth wheels respectively arranged symmetrically at left and right sides of the bottom of the seat frame, a chassis device arranged at the bottom of the frame seat and a seat arranged over the seat frame. Wherein the chassis device includes a chassis support, a drive wheel, a transmission crawler belt, a gas support bar, an electric elevating support bar, a fixed axle support and a power module. The left and right sides of the chassis support are respectively connected with the seat frame through the gas support bar; the middle of the chassis support is connected with the seat frame through the electric elevating support bar; the drive wheel is connected with the chassis support through the fixed axle support; and the power module drives the transmission crawler belt through the drive wheel. In the electric stair climbing wheelchair provided in the utility model, through the electric elevating support bar with the chassis, the transformation of wheelchair is conveniently realized from the crawler belt mode in climbing a stair to the a wheel mode in walking on a pavement, and the wheelchair can be used both in climbing a stair and in walking on a pavement.

Description

A kind of electric stair climbing wheelchair

Technical field

This utility model relates to a kind of wheelchair, is specifically related to a kind of electric stair climbing wheelchair.

Background technology

Wheelchair is of long duration as the personages' of specific group such as the old,weak,sick and disabled is pregnant walking-replacing tool; But development along with society; The shortcoming of land resource, a large amount of buildings has all been built up in each place, the whole world, yet but has a lot of buildings that elevator is not set; A lot of in addition local as in the public places such as hospital, park, subway station step being arranged all also; And common wheelchair can only go on smooth road surface, runs into stairway step, groove, bank and just can't cross over, and has brought inconvenience therefore for the above-mentioned personage's of specific group action.

In order to solve the realistic problem of the above-mentioned personage of specific group difficulty in walking; Some electric stair climbing wheelchairs have also appearred on the market in succession; Electric stair climbing wheelchair of the prior art is divided into crawler type and wheeled two kinds basically, and its basic purpose of caterpillar wheelchair is used for climbing solving the personage's of specific group the problem downstairs that goes up in the building exactly; But walking on the level land with crawler belt then is an obstruction, so restriction to some extent in use; Be exactly common wheeled electric stair climbing wheelchair in addition; Though convenient in application on the level land; But it does not have the building of climbing function, so these two kinds of wheelchairs are all too single on function, then need be equipped with two chaptrel chairs for the personage of specific group who stays in the building that does not have elevator; If it is but, nor too real for wheelchair of last special downstairs outfit will cause too high, the wasting of resources of cost; The work that need on wheelchair, accomplish as the personage of specific group in addition is a lot, and it also is quite high therefore the degree of safety of wheelchair being required, and is not equipped with any safety device such as in the market wheelchair, therefore causes potential safety hazard etc. easily.

The utility model content

This utility model technical problem to be solved provides a kind of electric stair climbing wheelchair, realizes that a kind of wheelchair not only can stair climbing but also can on the level land, use easily.

This utility model is in order to solve the problems of the technologies described above; A kind of electric stair climbing wheelchair is provided; Comprise seat frame, be respectively equipped with symmetric front and back wheel device at seat frame bottom the right and left, be arranged on seat frame bottom base apparatus, be arranged on the seat above the seat frame; It is characterized in that; Described base apparatus comprises chassis overhang, drive, driven pedrail, gas support bar, electric up-down support bar, fixed axis support, power plant module, and said chassis overhang the right and left is connected with seat frame through the gas support bar respectively, and the centre position of said chassis overhang is connected with seat frame through the electric up-down support bar; Said drive is connected with chassis overhang through the fixed axis support, and said power plant module drives driven pedrail through drive and rotates.

Further, said seat frame position of back also is provided with the bearing block bracing frame, and the two ends of said bearing block bracing frame are connected with seat frame respectively, and the middle part of said bearing block bracing frame is connected with chassis overhang.

Further, the top of said bearing block bracing frame also is provided with the gauge tap and the circuit control device of control power plant module operation.

Further, said gauge tap comprise brake in the process downstairs of going up on downstairs switch, the direction switch of regulating the base apparatus jacking condition, the control electric stair climbing wheelchair of regulating downstairs movement state on the electric stair climbing wheelchair go up up-down brake switch that brakes in downstairs brake switch, the control base apparatus lifting process and the display that shows the power plant module electric weight.

Further, said power plant module comprises motor and power subsystem.

Further; Said front and back wheel device comprises front-wheel, trailing wheel, trailing wheel transmission main shaft, firmly stops and the front-wheel steer device; Said trailing wheel is connected with seat frame through the trailing wheel transmission main shaft, and said firmly stopping is fixed on the seat frame, through regulating the last handle of firmly stopping that protrudes of firmly stopping with the transmission of control trailing wheel; Said front-wheel is connected with seat frame through the front-wheel steer device.

Further, said seat frame top is provided with a pair of trammer handle, and said trammer handle is provided with the driving parking brake that is connected with the trailing wheel running gear.

Further, said seat is provided with seat belt.

Adopt the beneficial effect of above-mentioned this utility model technical scheme to be: the electric stair climbing wheelchair of this utility model adopts the integral type design; Through the electric up-down support bar of base apparatus is set; Thereby realized the wheeled transformation that the crawler belt mode of electric stair climbing wheelchair when climbing the building walked to the road surface easily, made that a kind of wheelchair not only can stair climbing but also can on the level land, use easily; But and all automatic intelligent control of the everything of this utility model, easy to use, simple to operate.

Description of drawings

Fig. 1 is the structural representation of electric stair climbing wheelchair among this utility model embodiment;

Among the figure: 101. seat frames; 102. seat; 103. trammer handle; 104. driving parking brake; 105. seat belt; 106. bearing block bracing frame; 201. front-wheel; 202. trailing wheel; 203. trailing wheel transmission main shaft; 204. firmly stop; 205. front-wheel steer device; 301. chassis overhang; 302. drive; 303. driven pedrail; 304. gas support bar; 305. fixed axis support; 306. electric up-down support bar; 400. gauge tap and circuit control device; 500. power plant module.

The specific embodiment

Below in conjunction with accompanying drawing the principle and the characteristic of this utility model are described, institute gives an actual example and only is used to explain this utility model, is not the scope that is used to limit this utility model.

This utility model one embodiment discloses a kind of electric stair climbing wheelchair; Fig. 1 is the structural representation of electric stair climbing wheelchair among this utility model embodiment; As shown in Figure 1; Said wheelchair comprises seat frame 101, be respectively equipped with symmetric front and back wheel device at seat frame 101 bottom the right and lefts, be arranged on the seat frame bottom base apparatus, be arranged on the seat 102 above the seat frame; Described base apparatus comprises chassis overhang 301, drive 302, driven pedrail 303, gas support bar 304, fixed axis support 305, electric up-down support bar 306, power plant module 500; Said chassis overhang 301 the right and lefts are connected with seat frame 101 through gas support bar 304 respectively; The centre position of said chassis overhang 301 is connected with seat frame 101 through electric up-down support bar 306, and said drive 302 is connected with chassis overhang 301 through fixed axis support 305, and said power plant module 500 drives driven pedrail 303 through drive 302 and rotates.Wherein, Said front and back wheel device comprises front-wheel 201, trailing wheel 202, trailing wheel transmission main shaft 203, firmly stops 204 and front-wheel steer device 205; Said trailing wheel 202 is connected with seat frame 101 through trailing wheel transmission main shaft 203; Said firmly stopping 204 is fixed on the seat frame 101, and the handle of firmly stopping through regulating the protrusion on 204 firmly stopped is with 202 transmissions of control trailing wheel; Said front-wheel 201 is connected with seat frame 101 through front-wheel steer device 205; Said seat 102 is provided with seat belt 105; Said power plant module 500 comprises motor and power subsystem.

Said seat frame 101 tops also are provided with a pair of trammer handle 103, and said trammer handle 103 is provided with the driving parking brake 104 that is connected with trailing wheel 202; Centre position at said seat frame 101 backrests also is provided with bearing block bracing frame 106, and the two ends of said bearing block bracing frame 106 are connected with seat frame 101 respectively, and the middle part of said bearing block bracing frame 106 is connected with chassis overhang 301; The top of said bearing block bracing frame 106 also is provided with the gauge tap and the circuit control device 400 of control power plant module 500 operations; Wherein, said gauge tap comprise brake in the process downstairs of going up on downstairs switch, the direction switch of regulating the base apparatus jacking condition, the control electric stair climbing wheelchair of regulating downstairs movement state on the electric stair climbing wheelchair go up up-down brake switch that brakes in downstairs brake switch, the control base apparatus lifting process and the display that shows the power plant module electric weight.

The electric stair climbing wheelchair of this utility model adopts wheelchair and the incorporate design of base apparatus; Be connected wheelchair frame and base apparatus through the gas support bar with the electric up-down support bar; And one of the gentle support bar of electric up-down support bar can be stretched back and forth; Wheelchair frame is risen overally or descend, thereby realize the wheeled transformation that the crawler belt mode of wheelchair when climbing the building walked to the road surface, make that a kind of wheelchair not only can stair climbing but also can on the level land, use easily.

In a specific embodiment of this utility model, when using wheelchair to go upstairs, at first the gauge tap through wheelchair transfers to propradation with direction switch; Open the up-down brake switch; At this moment the electric up-down support bar upwards stretches, and wheelchair frame rises overally, and drives the stretching, extension of gas support bar and the front and back wheel of slinging; Reach and meeting angle (about the about 40 degree) time that upstairs requires and stop automatically, this moment, the driven pedrail of base apparatus landed; Close the up-down brake switch then; To go up the switch of going downstairs and transfer to state upstairs, and open brake switch downstairs, at this moment power plant module drives the base apparatus operation of wheelchair; Holding step platform tooth by the driven pedrail on the base apparatus upwards goes wheelchair; When arriving the stair top, the brake switch of upward going downstairs of wheelchair is closed, make wheelchair arrive landing and promptly accomplish process upstairs.

When using wheelchair to go downstairs; To go up the switch of going downstairs and transfer to downstairs movement state, open brake switch downstairs, at this moment; Power plant module drives the base apparatus operation of wheelchair; Hold step platform tooth by the driven pedrail on the base apparatus wheelchair is gone downwards, when wheelchair moves to the step bottom, will go up the brake switch of going downstairs and close, promptly accomplish process downstairs.

When needs use wheelchair on the level land, the direction switch of wheelchair is transferred to the decline state, open the up-down brake switch; At this moment the downward indentation of electric up-down support bar; Make the whole decline of wheelchair frame, and drive the contraction of gas support bar, land until the front and back wheel of wheelchair; Thereby sling base apparatus, utilize the front and back wheel device can realize that just wheelchair walks on the level land.On the corridor platform, turn when using when the front and back wheel device that utilizes wheelchair, can realize 360 degree rotations, and turning diameter only needs 1.05 meters and gets final product easy manipulation through the front-wheel steer device of wheelchair.

The electric stair climbing wheelchair of this utility model adopts full automatic working, and is simple to operate; Also be provided with seat belt on the seat, strengthened occupant's degree of safety; In addition, the power subsystem of said power plant module adopts the accumulator of totally-enclosed design, does not worry the moisturizing leakage of accumulator, has effectively prolonged the service life of accumulator.

The above is merely the preferred embodiment of this utility model, and is in order to restriction this utility model, not all within the spirit and principle of this utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of this utility model.

Claims

1. electric stair climbing wheelchair; Comprise seat frame, be respectively equipped with symmetric front and back wheel device at seat frame bottom the right and left, be arranged on seat frame bottom base apparatus, be arranged on the seat above the seat frame; It is characterized in that; Described base apparatus comprises chassis overhang, drive, driven pedrail, gas support bar, electric up-down support bar, fixed axis support, power plant module; Said chassis overhang the right and left is connected with seat frame through the gas support bar respectively; The centre position of said chassis overhang is connected with seat frame through the electric up-down support bar, and said drive is connected with chassis overhang through the fixed axis support, and said power plant module drives driven pedrail through drive and rotates.

2. electric stair climbing wheelchair according to claim 1; It is characterized in that; Said seat frame position of back also is provided with the bearing block bracing frame, and the two ends of said bearing block bracing frame are connected with seat frame respectively, and the middle part of said bearing block bracing frame is connected with chassis overhang.

3. electric stair climbing wheelchair according to claim 2 is characterized in that, the top of said bearing block bracing frame also is provided with the gauge tap and the circuit control device of control power plant module operation.

4. electric stair climbing wheelchair according to claim 3; It is characterized in that, said gauge tap comprise brake in the process downstairs of going up on downstairs switch, the direction switch of regulating the base apparatus jacking condition, the control electric stair climbing wheelchair of regulating downstairs movement state on the electric stair climbing wheelchair go up up-down brake switch that brakes in downstairs brake switch, the control base apparatus lifting process and the display that shows the power plant module electric weight.

5. according to each described electric stair climbing wheelchair of claim 1～4, it is characterized in that said power plant module comprises motor and power subsystem.

6. electric stair climbing wheelchair according to claim 5; It is characterized in that; Said front and back wheel device comprises front-wheel, trailing wheel, trailing wheel transmission main shaft, firmly stops and the front-wheel steer device; Said trailing wheel is connected with seat frame through the trailing wheel transmission main shaft, and said firmly stopping is fixed on the seat frame, through regulating the last handle of firmly stopping that protrudes of firmly stopping with the transmission of control trailing wheel; Said front-wheel is connected with seat frame through the front-wheel steer device.

7. electric stair climbing wheelchair according to claim 6 is characterized in that, said seat frame top is provided with a pair of trammer handle, and said trammer handle is provided with the driving parking brake that is connected with the trailing wheel running gear.

8. electric stair climbing wheelchair according to claim 7 is characterized in that said seat is provided with seat belt.