CN219184597U - Climbing wheelchair - Google Patents
Climbing wheelchair Download PDFInfo
- Publication number
- CN219184597U CN219184597U CN202223608723.9U CN202223608723U CN219184597U CN 219184597 U CN219184597 U CN 219184597U CN 202223608723 U CN202223608723 U CN 202223608723U CN 219184597 U CN219184597 U CN 219184597U
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- mounting
- protective cover
- electric wheelchair
- sleeved
- mounting panel
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Abstract
The utility model discloses a climbing wheelchair, which is characterized in that the bottoms of the left side and the right side of a protective cover are fixedly provided with an installation seat, the installation seat is provided with a plurality of bearings, a transmission shaft with crawler wheels is fixedly sleeved in the inner ring of each bearing, a crawler belt is sleeved between the crawler wheels on the same side, a gear is fixedly sleeved on the outer wall surface of the transmission shaft on the opposite side of the installation seat, a first gear chain is sleeved between the gears, a mounting shaft is coaxially arranged between the left transmission shaft and the right transmission shaft, a buffer mechanism is arranged between the installation seat and an electric wheelchair main body, a driving motor is fixedly arranged at the top of the protective cover, a driving wheel is fixedly sleeved on the output shaft of the driving motor, and a second gear chain is arranged between the driving wheel and the driven wheel. On the basis of increasing the driving horsepower, the utility model also increases the contact area with the ground, thereby increasing the friction force between the whole body and the ground and improving the whole climbing performance.
Description
Technical Field
The utility model relates to the technical field of electric wheelchairs, in particular to a climbing wheelchair.
Background
The electric wheelchair consists of a frame, a cushion, a backrest, a driving device, front wheels, rear wheels, a control rod and a battery, and in the prior art, the electric wheelchair runs on a gradient road surface, and the climbing performance of the electric wheelchair can only depend on the driving device of the electric wheelchair to drive the wheels to rotate, so that the electric wheelchair drives the electric wheelchair to move integrally.
Disclosure of Invention
The utility model aims to provide a climbing wheelchair which increases the contact area with the ground on the basis of increasing the driving horsepower, thereby increasing the friction between the whole body and the ground and improving the whole climbing performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a climbing wheelchair comprising: the electric wheelchair comprises an electric wheelchair body, wherein a protective cover is arranged on the rear side of the electric wheelchair body, an installation seat is fixedly arranged at the bottoms of the left side and the right side of the protective cover, a plurality of bearings are arranged on the installation seat, a transmission shaft with crawler wheels is fixedly sleeved in an inner ring of each bearing, crawler wheels on the same side are sleeved with crawler wheels, a gear is fixedly sleeved on the outer wall surface of the transmission shaft on the opposite side of the installation seat, a first gear chain is sleeved between the gears, an installation shaft is coaxially arranged between the left transmission shaft and the right transmission shaft, a brake mechanism is connected to the surface of the installation shaft, the installation shaft is in transmission connection with a driving mechanism, and a buffer mechanism is arranged between the installation seat and the electric wheelchair body;
the drive mechanism further includes: the driving motor is fixedly sleeved on the surface of the mounting shaft, the driving motor is fixedly mounted on the top of the protective cover, a driving wheel is fixedly sleeved on an output shaft of the driving motor, and a second gear chain is arranged between the driving wheel and the driven wheel.
The further improved scheme in the technical scheme is as follows:
1. in the above aspect, the buffer mechanism further includes: compression spring, mounting panel and second mounting panel, at the top fixed mounting of protective cover have the mounting panel, second mounting panel fixed mounting is in the dorsal part of electronic wheelchair main part, through articulated elements swing joint between mounting panel and the second mounting panel, and be provided with a telescopic link between mounting panel and the second mounting panel, the outer wall cover of this telescopic link is equipped with a plurality of compression spring.
2. In the above scheme, the surface of protective cover has seted up the rectangular hole of second, the one end in the rectangular hole of second extends to the side of protective cover.
3. In the scheme, an electric cylinder is rotatably arranged between the electric wheelchair main body and the top of the protective cover.
4. In the above scheme, the crawler wheels are located on opposite sides of the mounting seat.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model relates to a climbing wheelchair, which is characterized in that a transmission shaft with crawler wheels is inserted into a bearing inner ring arranged on a mounting seat in a fixed manner, a crawler is sleeved between the crawler wheels on the same side, a gear is fixedly sleeved on the outer wall surface of the transmission shaft on the opposite side of the mounting seat, a first gear chain is sleeved between the gears, a mounting shaft is coaxially arranged between a left transmission shaft and a right transmission shaft, the surface of the mounting shaft is connected with a brake mechanism, the mounting shaft is in transmission connection with a driving mechanism, a driven wheel is fixedly sleeved on the surface of the mounting shaft, a driving motor is fixedly arranged on the top of a protective cover, a driving wheel is fixedly sleeved on an output shaft of the driving motor, a second gear chain is arranged between the driving wheel and the driven wheel, the crawler belt is driven to move on the ground through the driving motor, the overall driving horsepower is increased relative to the mode of moving only depending on the wheels of the electric wheelchair, the contact area between the whole driving power and the ground is increased, the friction force between the whole driving wheel and the ground is increased, and the climbing performance of the electric wheelchair is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a climbing wheelchair of the utility model;
FIG. 2 is an enlarged view of the utility model at A of FIG. 1;
fig. 3 is a schematic view of a partial structure of the climbing wheelchair of the present utility model.
In the above figures: 1. an electric cylinder; 2. a compression spring; 3. a mounting plate; 4. a protective cover; 6. a controller; 7. rotating the support; 8. a telescopic rod; 9. a bearing; 10. a mounting shaft; 11. a driving motor; 12. track wheels; 13. a second mounting plate; 14. an electric wheelchair main body; 16. a track; 17. a gear; 18. a first gear train; 19. a mounting base; 20. a driving wheel; 21. a second elongated aperture; 22. a second gear train; 23. driven wheel; 24. and a transmission shaft.
Detailed Description
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: a climbing wheelchair comprising: the electric wheelchair comprises an electric wheelchair body 14, a protective cover 4 is arranged on the rear side of the electric wheelchair body 14, a mounting seat 19 is fixedly arranged at the bottoms of the left side and the right side of the protective cover 4, a plurality of bearings 9 are arranged on the mounting seat 19, a transmission shaft 24 fixedly sleeved with crawler wheels 12 is inserted into the inner ring of each bearing 9, a crawler 16 is sleeved between the crawler wheels 12 positioned on the same side, a gear 17 is fixedly sleeved on the outer wall surface of the transmission shaft 24 on the opposite side of the mounting seat 19, a first gear chain 18 is sleeved between the gears 17, a mounting shaft 10 is coaxially arranged between the left and right transmission shafts 24, the surface of the mounting shaft 10 is connected with a brake mechanism, the mounting shaft 10 is in transmission connection with a driving mechanism, and a buffer mechanism is arranged between the mounting seat 19 and the electric wheelchair body 14;
when the electric wheelchair climbs a slope, the electric wheelchair only needs to control the driving motor to work, the driving motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the second gear chain, the driven wheel drives the mounting shaft to rotate, the mounting shaft drives the two transmission shafts to rotate in the two bearings, the transmission shafts also drive gears connected with the two transmission shafts to rotate, and the gears drive the other gears to rotate through the first gear chain, so that the plurality of transmission shafts can be conveniently driven to synchronously rotate;
the drive mechanism further includes: the driving motor 11 and the driven wheel 23 are fixedly sleeved on the surface of the mounting shaft 10, the driving motor 11 is fixedly mounted on the top of the protective cover 4, a driving wheel 20 is fixedly sleeved on an output shaft of the driving motor 11, and a second gear train 22 is arranged between the driving wheel 20 and the driven wheel 23.
The above-mentioned buffer mechanism further includes: compression spring 2, mounting panel 3 and second mounting panel 13, at the top fixed mounting of shield cap 4 there is above-mentioned mounting panel 3, above-mentioned second mounting panel 13 fixed mounting is in the dorsal part of electronic wheelchair main part 14, through articulated elements swing joint between above-mentioned mounting panel 3 and the second mounting panel 13, and be provided with a telescopic link 8 between mounting panel 3 and second mounting panel 13, the outer wall cover of this telescopic link 8 is equipped with a plurality of compression spring 2.
When the protective cover is folded and stored on the frame of the electric wheelchair, the mounting plate is driven to rotate on the second mounting plate along with the protective cover, and the telescopic rod is contracted, so that the climbing auxiliary mechanism is convenient to fold and operate on the frame of the electric wheelchair; the electric wheelchair is provided with a plurality of springs, the springs are subjected to pressure action when the electric wheelchair jolts and moves, the lengths of the springs are shortened, the lengths of the springs are prolonged when the springs are in tension, the telescopic process of the springs is used for reducing the pressure generated by shaking of the climbing auxiliary mechanism on a jolty slope, and then the stability that the climbing auxiliary mechanism pushes the electric wheelchair to move on the slope is maintained.
An electric cylinder 1 is rotatably installed between the electric wheelchair main body 14 and the top of the protective cover 4.
After the slope surface moves to the horizontal road surface, the electric cylinder can be operated to work in an electrified mode, the movable end of the electric cylinder contracts, the protective cover is pulled by the electric cylinder through the hinge piece, the two mounting seats are pulled by the protective cover to move synchronously, the two mounting seats drive the plurality of crawler wheels to move synchronously, the mounting plate is driven to move synchronously when the protective cover is forced to move, the mounting plate rotates on the second mounting plate through the hinge piece, the climbing auxiliary mechanism can be driven to rotate upwards to be stored to one side of the electric wheelchair frame after the length of the electric cylinder contracts, storage treatment can be stopped when auxiliary climbing is not needed, and energy sources in the electric wheelchair are saved; when needs supplementary climbing, can expand climbing storage device, be convenient for promote the track and place on ground that the length of electric cylinder is extension promptly.
The track wheel 12 is located on the opposite side of the mounting base 19.
Example 2: a climbing wheelchair comprising: the electric wheelchair comprises an electric wheelchair body 14, a protective cover 4 is arranged on the rear side of the electric wheelchair body 14, a mounting seat 19 is fixedly arranged at the bottoms of the left side and the right side of the protective cover 4, a plurality of bearings 9 are arranged on the mounting seat 19, a transmission shaft 24 fixedly sleeved with crawler wheels 12 is inserted into the inner ring of each bearing 9, a crawler 16 is sleeved between the crawler wheels 12 positioned on the same side, a gear 17 is fixedly sleeved on the outer wall surface of the transmission shaft 24 on the opposite side of the mounting seat 19, a first gear chain 18 is sleeved between the gears 17, a mounting shaft 10 is coaxially arranged between the left and right transmission shafts 24, the surface of the mounting shaft 10 is connected with a brake mechanism, the mounting shaft 10 is in transmission connection with a driving mechanism, and a buffer mechanism is arranged between the mounting seat 19 and the electric wheelchair body 14;
the crawler belt is driven by the driving motor to move on the ground, so that the overall driving horsepower is increased, the contact area with the ground is increased, the friction between the whole body and the ground is increased, and the climbing performance of the electric wheelchair is improved.
The drive mechanism further includes: the driving motor 11 and the driven wheel 23 are fixedly sleeved on the surface of the mounting shaft 10, the driving motor 11 is fixedly mounted on the top of the protective cover 4, a driving wheel 20 is fixedly sleeved on an output shaft of the driving motor 11, and a second gear train 22 is arranged between the driving wheel 20 and the driven wheel 23.
And a plurality of transmission shafts drive a plurality of crawler wheels to rotate, and a plurality of crawler wheels drive the crawler to rotate, and the crawler moves on the ground, for the wheel of electric wheelchair, increased the area of contact with the ground, and then promoted the device with the frictional force on ground, and then increased the thrust to electric wheelchair for supplementary electric wheelchair climbs the slope, promoted electric wheelchair's climbing performance.
The above-mentioned buffer mechanism further includes: compression spring 2, mounting panel 3 and second mounting panel 13, at the top fixed mounting of shield cap 4 there is above-mentioned mounting panel 3, above-mentioned second mounting panel 13 fixed mounting is in the dorsal part of electronic wheelchair main part 14, through articulated elements swing joint between above-mentioned mounting panel 3 and the second mounting panel 13, and be provided with a telescopic link 8 between mounting panel 3 and second mounting panel 13, the outer wall cover of this telescopic link 8 is equipped with a plurality of compression spring 2.
When the protective cover is folded and stored on the frame of the electric wheelchair, the mounting plate is driven to rotate on the second mounting plate along with the protective cover, and the telescopic rod is contracted, so that the climbing auxiliary mechanism is convenient to fold and operate on the frame of the electric wheelchair; the electric wheelchair is provided with a plurality of springs, the springs are subjected to pressure action when the electric wheelchair jolts and moves, the lengths of the springs are shortened, the lengths of the springs are prolonged when the springs are in tension, the telescopic process of the springs is used for reducing the pressure generated by shaking of the climbing auxiliary mechanism on a jolty slope, and then the stability that the climbing auxiliary mechanism pushes the electric wheelchair to move on the slope is maintained.
The surface of the protective cover 4 is provided with a second elongated hole 21, and one end of the second elongated hole 21 extends to the side surface of the protective cover 4.
A controller 6 is provided at the armrest of the electric wheelchair main body 14.
The two ends of the electric cylinder 1 are respectively connected with the electric wheelchair main body 14 and the protective cover 4 in a rotating way through a rotating support 7.
The electric cylinder 1 and the driving motor 11 are connected with a controller 15 through wires, the controller is arranged on the surface of an armrest of the wheelchair main body 14 through screws, and a user respectively controls the electric cylinder 1 and the first driving motor 11 to work through the controller 15; the controller 15 is connected with a battery in the electric wheelchair 14 through a wire, and is a PLC controller or a power switch.
The working principle of the utility model is as follows:
when the electric wheelchair climbs a slope, the driving motor is controlled to work, the driving motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the second gear chain, the driven wheel drives the mounting shaft to rotate, the mounting shaft drives the two transmission shafts to rotate in the two bearings, the transmission shafts also drive gears connected with the two transmission shafts to rotate, the gears drive the other gears to rotate through the first gear chain, so that the transmission shafts are conveniently driven to synchronously rotate, the transmission shafts drive the crawler wheels to rotate, the crawler wheels drive the crawler wheels to rotate on the ground, the crawler wheels move relative to the wheels of the electric wheelchair, the contact area between the device and the ground is increased, the friction force between the device and the ground is further increased, the thrust force to the electric wheelchair is further increased, and the electric wheelchair climbing device is used for assisting the electric wheelchair to climb the slope, and the climbing performance of the electric wheelchair is improved;
after the slope surface moves to the horizontal road surface, the electric cylinder can be operated to work in an electrified mode, the movable end of the electric cylinder contracts, the protective cover is pulled by the electric cylinder through the hinge piece, the two mounting seats are pulled by the protective cover to move synchronously, the two mounting seats drive the plurality of crawler wheels to move synchronously, the mounting plate is driven to move synchronously when the protective cover is forced to move, the mounting plate rotates on the second mounting plate through the hinge piece, the climbing auxiliary mechanism can be driven to rotate upwards to be stored to one side of the electric wheelchair frame after the length of the electric cylinder contracts, storage treatment can be stopped when auxiliary climbing is not needed, and energy sources in the electric wheelchair are saved; when auxiliary climbing is needed, the climbing storage device can be unfolded, namely, the length of the electric cylinder is extended, so that the crawler belt is conveniently pushed to be placed on the ground;
when the protective cover is folded and stored on the frame of the electric wheelchair, the mounting plate is driven to rotate on the second mounting plate along with the protective cover, and the telescopic rod is contracted, so that the climbing auxiliary mechanism is convenient to fold and operate on the frame of the electric wheelchair; the electric wheelchair is provided with a plurality of springs, the springs are subjected to pressure action when the electric wheelchair jolts and moves, the lengths of the springs are shortened, the lengths of the springs are prolonged when the springs are in tension, the telescopic process of the springs is used for reducing the pressure generated by shaking of the climbing auxiliary mechanism on a jolty slope, and then the stability that the climbing auxiliary mechanism pushes the electric wheelchair to move on the slope is maintained.
When the climbing wheelchair is adopted, the crawler belt is driven by the driving motor to move on the ground, so that the overall driving horsepower is increased, the contact area with the ground is increased, the friction between the whole body and the ground is increased, and the climbing performance of the electric wheelchair is improved.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (5)
1. A climbing wheelchair comprising: electric wheelchair main part (14), its characterized in that: the electric wheelchair comprises an electric wheelchair body (14), wherein a protective cover (4) is arranged at the rear side of the electric wheelchair body (14), a mounting seat (19) is fixedly arranged at the bottoms of the left side and the right side of the protective cover (4), a plurality of bearings (9) are arranged on the mounting seat (19), a transmission shaft (24) fixedly sleeved with crawler wheels (12) is inserted into the inner ring of each bearing (9), crawler belts (16) are sleeved between the crawler wheels (12) on the same side, a gear (17) is sleeved on the opposite side of the mounting seat (19) and fixedly sleeved on the outer wall surface of the transmission shaft (24), a first gear chain (18) is sleeved between the gear (17), a mounting shaft (10) is coaxially arranged between the left side and the right side of the transmission shaft (24), a brake mechanism is connected to the surface of each mounting shaft (10), and a buffer mechanism is arranged between the mounting seat (19) and the electric wheelchair body (14);
the drive mechanism further includes: the driving motor (11) and the driven wheel (23), the driven wheel (23) is fixedly sleeved on the surface of the mounting shaft (10), the driving motor (11) is fixedly mounted on the top of the protective cover (4), a driving wheel (20) is fixedly sleeved on an output shaft of the driving motor (11), and a second gear chain (22) is arranged between the driving wheel (20) and the driven wheel (23).
2. The climbing wheelchair according to claim 1, wherein: the buffer mechanism further includes: compression spring (2), mounting panel (3) and second mounting panel (13), at the top fixed mounting of protective cover (4) have mounting panel (3), second mounting panel (13) fixed mounting is in the dorsal part of electronic wheelchair main part (14), pass through articulated elements swing joint between mounting panel (3) and second mounting panel (13), and be provided with a telescopic link (8) between mounting panel (3) and second mounting panel (13), the outer wall cover of this telescopic link (8) is equipped with a plurality of compression spring (2).
3. The climbing wheelchair according to claim 2, wherein: an electric cylinder (1) is rotatably arranged between the electric wheelchair main body (14) and the top of the protective cover (4).
4. The climbing wheelchair according to claim 1, wherein: the surface of the protective cover (4) is provided with a second strip hole (21), and one end of the second strip hole (21) extends to the side face of the protective cover (4).
5. The climbing wheelchair according to claim 1, wherein: the crawler wheels (12) are located on opposite sides of the mounting seat (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223608723.9U CN219184597U (en) | 2022-12-31 | 2022-12-31 | Climbing wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223608723.9U CN219184597U (en) | 2022-12-31 | 2022-12-31 | Climbing wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219184597U true CN219184597U (en) | 2023-06-16 |
Family
ID=86727634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223608723.9U Active CN219184597U (en) | 2022-12-31 | 2022-12-31 | Climbing wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219184597U (en) |
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2022
- 2022-12-31 CN CN202223608723.9U patent/CN219184597U/en active Active
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