CN212261719U - Electric wheelchair capable of going up and down stairs - Google Patents
Electric wheelchair capable of going up and down stairs Download PDFInfo
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- CN212261719U CN212261719U CN202021284663.8U CN202021284663U CN212261719U CN 212261719 U CN212261719 U CN 212261719U CN 202021284663 U CN202021284663 U CN 202021284663U CN 212261719 U CN212261719 U CN 212261719U
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- axle housing
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- seat plate
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Abstract
The utility model discloses an electric wheelchair capable of going up and down stairs, which comprises a seat board, a backrest, a front wheel device, a rear wheel device, a battery pack and a motor; the rear wheel device comprises a differential mechanism, an output shaft fixedly connected with an output gear of the differential mechanism, main rear wheels symmetrically arranged at two ends of the output shaft, auxiliary rear wheels symmetrically arranged at two sides of the lower part of the main rear wheels, and a rear axle housing arranged outside the differential mechanism and the output shaft, wherein the main rear wheels are connected with the auxiliary rear wheels through a belt, and a first adjusting device is arranged between the auxiliary rear wheels and the rear axle housing; the seat plate is connected with the rear axle housing through a second adjusting device; handle connecting rods are symmetrically arranged on two sides above the seat board, handrail plates are arranged above the handle connecting rods, and control devices are arranged on 2 handrail plates; the side of the backrest, which is far away from the seat plate, is provided with a solar photovoltaic plate, and the two ends of the seat plate, which are far away from the backrest side, are symmetrically provided with illuminating lamps. The utility model discloses make the wheelchair move when the level land, turn to steadily, reliable and stable when going upstairs and downstairs, energy-concerving and environment-protective, easy operation is convenient, is equipped with the light.
Description
Technical Field
The utility model relates to a wheelchair field specifically indicates an electronic wheelchair that can go up and down stairs.
Background
The wheelchair is a tool for people with physical disabilities to walk instead of walk, so that the people can participate in social activities by means of the wheelchair. However, with the development of society, most buildings include stairs, so that wheelchair users are full of troubles of going upstairs and downstairs, at the present stage, various wheelchairs capable of going upstairs and downstairs appear on the market, but most wheelchairs are inconvenient to operate and need assistance of others, and in order to have the function of going upstairs and downstairs, the wheelchairs walk on the ground and have poor steering stability, and the electric wheelchairs are generally charged by mains supply, so that the use cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of the above-mentioned technique, and provide an electric wheelchair capable of going up and down stairs.
In order to solve the technical problem, the utility model provides an electric wheelchair which can go up and down stairs according to the technical scheme: comprises a seat board, a backrest arranged at one end of the seat board, a front wheel device, a rear wheel device, a battery pack and a motor, wherein the front wheel device, the rear wheel device, the battery pack and the motor are arranged below the seat board; the rear wheel device comprises a differential mechanism, an output shaft fixedly connected with an output gear of the differential mechanism, main rear wheels symmetrically arranged at two ends of the output shaft, auxiliary rear wheels symmetrically arranged at two sides of the lower part of the main rear wheels, and a rear axle housing arranged outside the differential mechanism and the output shaft, wherein the main rear wheels and the auxiliary rear wheels are connected through a belt; the seat plate is connected with the rear axle housing through a second adjusting device; handle connecting rods are symmetrically arranged on two sides above the seat plate, handrail plates are arranged above the handle connecting rods, control devices are arranged on 2 handrail plates, and control chips are arranged in the control devices; pushing handles are symmetrically arranged at two ends of the backrest, which are far away from the seat plate side, a solar photovoltaic panel is arranged at the seat plate side of the backrest, and illuminating lamps are symmetrically arranged at two ends of the seat plate, which are far away from the backrest side; the solar photovoltaic panel is connected with a battery pack, the battery pack is connected with a control device, and the control device is connected with a motor and an illuminating lamp.
As an improvement, the first adjusting device comprises a first oil cylinder and a second oil cylinder, the bottom of a cylinder body of the first oil cylinder is rotationally connected with the rear axle housing, the end part of a rod body of the first oil cylinder is rotationally connected with a rotating shaft of an auxiliary rear wheel, the bottom of a cylinder body of the second oil cylinder is rotationally connected with the rear axle housing, and the end part of the rod body of the second oil cylinder is rotationally connected with the end part of the cylinder body of the first oil cylinder;
the second adjusting device comprises 2 second adjusting devices and 2 second adjusting devices, wherein the bottom of a cylinder body of the third oil cylinder is connected with the rear axle housing, the top of a rod body of the third oil cylinder is connected with the bottom of the seat plate, the bottom of a cylinder body of the fourth oil cylinder is rotatably connected with the rear axle housing, the end part of a rod body of the fourth oil cylinder is rotatably connected with the bottom of the seat plate, the extending direction of the third oil cylinder is vertical to the plane of the seat plate, the third oil cylinder cannot rotate along the axis of the rear axle housing, and the second adjusting devices are symmetrically arranged on two sides below the seat plate;
the electric wheelchair capable of going upstairs and downstairs comprises a hydraulic oil pump fixedly connected to a rear axle housing, a first adjusting device, a second adjusting device and a hydraulic oil pump are connected, the hydraulic oil pump is connected with a control device, and an input shaft of the hydraulic oil pump is connected with a motor rotating shaft through a conveyor belt.
As an improvement, the front wheel device comprises a foot rod arranged below the seat board and a front wheel arranged below the foot rod, wherein a foot placing plate is arranged on the lower portion of the foot rod relative to the inner side, and the foot placing plate is positioned above the front wheel.
As an improvement, fifth oil cylinders are symmetrically arranged on two sides of the backrest, the bottom of a cylinder body of each fifth oil cylinder is rotatably connected with the backrest, the end part of a rod body of each fifth oil cylinder is rotatably connected with a solar photovoltaic panel, the fifth oil cylinders are connected with a hydraulic oil pump, and the top end of each solar photovoltaic panel is rotatably connected with the backrest.
As an improvement, the rear wheel device is provided with a brake, and the brake is connected with the control device.
Compared with the prior art, the utility model the advantage lie in: the utility model discloses the rear wheel device adopts the main rear wheel and assists the core structure of rear wheel transform each other, adopts differential mechanism to turn to, can make the wheelchair move when the level land, turn to steadily, reliable and stable when going upstairs and downstairs, adopts the power supply of solar photovoltaic board, and is energy-concerving and environment-protective, carries out the function switch through controlling means, and easy operation is convenient, does not need to rely on other people, is equipped with the light, provides the field of vision for the user in dim environment.
Drawings
Fig. 1 is a perspective view of the electric wheelchair of the present invention, with the protective case removed, showing up and down stairs.
Fig. 2 is a perspective view of the electric wheelchair of the present invention, with the protective case removed, showing up and down stairs.
Fig. 3 is a perspective view of the electric wheelchair of the present invention, with the protective case removed, showing up and down stairs.
Fig. 4 is a perspective view of the electric wheelchair of the present invention, with the protective case removed, which can go up and down stairs.
Fig. 5 is a front view of the electric wheelchair capable of going up and down stairs without the protective case.
Fig. 6 is a schematic structural view of a rear wheel device of an electric wheelchair capable of going up and down stairs.
Fig. 7 is a partially exploded view of fig. 6.
Fig. 8 is a schematic view of fig. 5 with the protective shell attached.
As shown in the figure: 1. the seat plate, 2, a backrest, 3, a battery pack, 4, an electric motor, 5, a differential mechanism, 6, an output shaft, 7, a main rear wheel, 8, an auxiliary rear wheel, 9, a rear axle housing, 10, a belt, 11, a handle connecting rod, 12, a handrail plate, 13, a pushing handle, 14, a solar photovoltaic plate, 15, a lighting lamp, 16, a first oil cylinder, 17, a second oil cylinder, 18, a third oil cylinder, 19, a fourth oil cylinder, 20, a hydraulic oil pump, 21, a foot bar, 22, a front wheel, 23, a foot placing plate, 24, a fifth oil cylinder, 25, a brake, 26, a protective shell, 27 and a control device.
Detailed Description
The electric wheelchair capable of going up and down stairs of the present invention will be further described in detail with reference to the accompanying drawings.
With reference to the attached figures 1-8, an electric wheelchair capable of going up and down stairs comprises a seat plate 1, a backrest 2 arranged at one end of the seat plate 1, a front wheel device, a rear wheel device, a battery pack 3 and a motor 4 which are arranged below the seat plate 1; the rear wheel device comprises a differential mechanism 5, an output shaft 6 fixedly connected with an output gear of the differential mechanism 5, main rear wheels 7 symmetrically arranged at two ends of the output shaft 6, auxiliary rear wheels 8 symmetrically arranged at two sides of the lower part of the main rear wheels 7, and a rear axle housing 9 arranged outside the differential mechanism 5 and the output shaft 6, wherein the main rear wheels 7 and the auxiliary rear wheels 8 are connected through a belt 10, a first adjusting device is arranged between the auxiliary rear wheels 8 and the rear axle housing 9, the motor 4 is fixedly connected on the rear axle housing 9, and a rotating shaft of the motor 4 is connected with an input shaft of the differential mechanism 5 through a conveying belt; the seat plate 1 is connected with a rear axle housing 9 through a second adjusting device; handle connecting rods 11 are symmetrically arranged on two sides above the seat board 1, armrest plates 12 are arranged above the handle connecting rods 11, control devices 27 are arranged on 2 armrest plates 12, and control chips are arranged inside the control devices 27; two ends of the backrest 2, which are far away from the seat plate 1, are symmetrically provided with push handles 13, the side of the backrest 2, which is far away from the seat plate 1, is provided with a solar photovoltaic panel 14, and two ends of the seat plate 1, which are far away from the backrest 2, are symmetrically provided with illuminating lamps 15; the solar photovoltaic panel 14 is connected with a battery pack 3, the battery pack 3 is connected with a control device 27, and the control device 27 is connected with the motor 4 and the illuminating lamp 15.
The first adjusting device comprises a first oil cylinder 16 and a second oil cylinder 17, the bottom of a cylinder body of the first oil cylinder 16 is rotatably connected with the rear axle housing 9, the end part of a rod body of the first oil cylinder 16 is rotatably connected with a rotating shaft of the auxiliary rear wheel 8, the bottom of a cylinder body of the second oil cylinder 17 is rotatably connected with the rear axle housing 9, and the end part of a rod body of the second oil cylinder 17 is rotatably connected with the end part of the cylinder body of the first oil cylinder 16;
the second adjusting device comprises a third oil cylinder 18 and a fourth oil cylinder 19, the bottom of a cylinder body of the third oil cylinder 18 is connected with the rear axle housing 9, the top of a rod body of the third oil cylinder 18 is connected with the bottom of the seat plate 1, the bottom of a cylinder body of the fourth oil cylinder 19 is rotatably connected with the rear axle housing 9, the end part of the rod body of the fourth oil cylinder 19 is rotatably connected with the bottom of the seat plate 1, the extending direction of the third oil cylinder 18 is vertical to the plane of the seat plate 1, the third oil cylinder 18 cannot rotate along the axis of the rear axle housing 9, the number of the second adjusting devices is 2, and 2 second adjusting devices are symmetrically arranged on two sides below the seat plate 1;
the electric wheelchair capable of going up and down stairs comprises a hydraulic oil pump 20 fixedly connected to a rear axle housing 9, a first adjusting device and a second adjusting device are connected with the hydraulic oil pump 20, the hydraulic oil pump 20 is connected with a control device 27, and an input shaft of the hydraulic oil pump 20 is connected with a rotating shaft of a motor 4 through a conveyor belt.
The front wheel device comprises a foot rod 21 arranged below the seat board 1 and a front wheel 22 arranged below the foot rod 21, wherein a foot placing plate 23 is arranged on the lower portion of the foot rod 21 relative to the inner side, and the foot placing plate 23 is positioned above the front wheel 22.
The bilateral symmetry of back 2 is equipped with fifth hydro-cylinder 24, fifth hydro-cylinder 24 cylinder body bottom is rotated with back 2 and is connected, the 24 body of rod ends of the fifth hydro-cylinder rotate with solar photovoltaic board 14 and be connected, fifth hydro-cylinder 24 is connected with hydraulic oil pump 20, solar photovoltaic board 14 top is rotated with back 2 and is connected.
The rear wheel device is provided with a brake 25, and the brake 25 is connected with a control device 27.
A protective shell 26 is arranged outside the battery pack 3 and the hydraulic oil pump 20
When the wheelchair is used, a user sits on the seat board 1, the using state of the wheelchair is controlled through the control device 27 on the handrail board 12, when the wheelchair travels on the ground, the control device 27 enables the first adjusting device to lift the auxiliary rear wheel 8 and simultaneously keep the belt 10 tensioned, the bottom of the auxiliary rear wheel 8 is higher than the bottom of the main rear wheel 7, the motor 4 drives the input gear of the differential mechanism 5 to rotate, the left output gear and the right output gear of the differential mechanism 5 drive the main rear wheels 7 at two ends of the output shaft 6 to rotate, so that the wheelchair can run, wherein the control device 27 controls the rotating speed and the steering of the motor 4 to realize the left-right steering and the front-back running of the wheelchair, when the wheelchair goes up and down the stairs, the first adjusting device 27 enables the auxiliary rear wheel 8 to descend and simultaneously keep the belt 10 tensioned, so that the bottoms of the 2 auxiliary rear wheels 8 are flush with the bottom of the main rear wheel 7, at the moment, the wheelchair can smoothly go, The lifting of the seat plate 1 is realized by the expansion of the fourth oil cylinder 19, the angle adjustment of the solar photovoltaic plate 14 is realized by the expansion of the fifth oil cylinder 24, so that the solar photovoltaic plate 14 is at the best lighting angle, the solar photovoltaic plate 14 stores the electric energy converted from light energy into the battery pack 3, the motor 4 rotates to drive the input shaft of the hydraulic oil pump 20 to rotate, mechanical energy is converted into hydraulic energy, the hydraulic oil pump 20 is used for driving the first oil cylinder 16, the second oil cylinder 17, the third oil cylinder 18, the fourth oil cylinder 19 and the fifth oil cylinder 24, and when the environment visual field is poor, the illuminating lamp 15 is started to illuminate the surrounding environment.
The utility model discloses the rear wheel device adopts the main rear wheel and assists the core structure of rear wheel transform each other, adopts differential mechanism to turn to, can make the wheelchair move when the level land, turn to steadily, reliable and stable when going upstairs and downstairs, adopts the power supply of solar photovoltaic board, and is energy-concerving and environment-protective, carries out the function switch through controlling means 27, and easy operation is convenient, does not need to rely on other people, is equipped with the light, provides the field of vision for the user in dim environment.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. An electric wheelchair capable of going up and down stairs is characterized in that: comprises a seat board (1), a backrest (2) arranged at one end of the seat board (1), a front wheel device, a rear wheel device, a battery pack (3) and a motor (4) which are arranged below the seat board (1);
the rear wheel device comprises a differential (5), an output shaft (6) fixedly connected with an output gear of the differential (5), main rear wheels (7) symmetrically arranged at two ends of the output shaft (6), auxiliary rear wheels (8) symmetrically arranged at two sides of the lower part of the main rear wheels (7), and a rear axle housing (9) arranged outside the differential (5) and the output shaft (6), wherein the main rear wheels (7) and the auxiliary rear wheels (8) are connected through a belt (10), a first adjusting device is arranged between the auxiliary rear wheels (8) and the rear axle housing (9), the motor (4) is fixedly connected onto the rear axle housing (9), and a rotating shaft of the motor (4) is connected with an input shaft of the differential (5) through a conveying belt;
the seat plate (1) is connected with a rear axle housing (9) through a second adjusting device;
handle connecting rods (11) are symmetrically arranged on two sides above the seat board (1), handrail plates (12) are arranged above the handle connecting rods (11), control devices (27) are arranged on 2 handrail plates (12), and control chips are arranged inside the control devices (27);
two ends of the backrest (2) far away from the seat plate (1) are symmetrically provided with push handles (13), a solar photovoltaic plate (14) is arranged on the backrest (2) far away from the seat plate (1), and two ends of the seat plate (1) far away from the backrest (2) are symmetrically provided with illuminating lamps (15);
the solar photovoltaic panel (14) is connected with the battery pack (3), the battery pack (3) is connected with the control device (27), and the control device (27) is connected with the motor (4) and the illuminating lamp (15).
2. The electric wheelchair capable of going up and down stairs according to claim 1, wherein: the first adjusting device comprises a first oil cylinder (16) and a second oil cylinder (17), the bottom of a cylinder body of the first oil cylinder (16) is rotatably connected with the rear axle housing (9), the end part of a rod body of the first oil cylinder (16) is rotatably connected with a rotating shaft of an auxiliary rear wheel (8), the bottom of the cylinder body of the second oil cylinder (17) is rotatably connected with the rear axle housing (9), and the end part of the rod body of the second oil cylinder (17) is rotatably connected with the end part of the cylinder body of the first oil cylinder (16);
the second adjusting device comprises a third oil cylinder (18) and a fourth oil cylinder (19), the bottom of a cylinder body of the third oil cylinder (18) is connected with the rear axle housing (9), the top of a rod body of the third oil cylinder (18) is connected with the bottom of the seat plate (1), the bottom of the cylinder body of the fourth oil cylinder (19) is rotatably connected with the rear axle housing (9), the end part of the rod body of the fourth oil cylinder (19) is rotatably connected with the bottom of the seat plate (1), the extending direction of the third oil cylinder (18) is perpendicular to the plane of the seat plate (1), the third oil cylinder (18) cannot rotate along the axis of the rear axle housing (9), the number of the second adjusting devices is 2, and the 2 second adjusting devices are symmetrically arranged on two sides below the seat plate (1);
the electric wheelchair capable of going up and down stairs comprises a hydraulic oil pump (20) fixedly connected to a rear axle housing (9), a first adjusting device and a second adjusting device are connected with the hydraulic oil pump (20), the hydraulic oil pump (20) is connected with a control device (27), and an input shaft of the hydraulic oil pump (20) is connected with a rotating shaft of a motor (4) through a conveying belt.
3. The electric wheelchair capable of going up and down stairs according to claim 1, wherein: the front wheel device comprises a foot rod (21) arranged below the seat plate (1) and a front wheel (22) arranged below the foot rod (21), wherein a foot placing plate (23) is arranged on the lower portion of the foot rod (21) and opposite to the inner side, and the foot placing plate (23) is positioned above the front wheel (22).
4. The electric wheelchair capable of going up and down stairs according to claim 2, wherein: backrest (2) bilateral symmetry is equipped with fifth hydro-cylinder (24), fifth hydro-cylinder (24) cylinder body bottom is rotated with backrest (2) and is connected, fifth hydro-cylinder (24) body of rod tip is rotated with solar photovoltaic board (14) and is connected, fifth hydro-cylinder (24) are connected with hydraulic oil pump (20), solar photovoltaic board (14) top is rotated with backrest (2) and is connected.
5. The electric wheelchair capable of going up and down stairs according to claim 1, wherein: the rear wheel device is provided with a brake (25), and the brake (25) is connected with a control device (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021284663.8U CN212261719U (en) | 2020-07-03 | 2020-07-03 | Electric wheelchair capable of going up and down stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021284663.8U CN212261719U (en) | 2020-07-03 | 2020-07-03 | Electric wheelchair capable of going up and down stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212261719U true CN212261719U (en) | 2021-01-01 |
Family
ID=73899668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021284663.8U Active CN212261719U (en) | 2020-07-03 | 2020-07-03 | Electric wheelchair capable of going up and down stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212261719U (en) |
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2020
- 2020-07-03 CN CN202021284663.8U patent/CN212261719U/en active Active
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