CN200973788Y - Electric wheelchair capable of climbing stairs upward and downward and getting over small obstacles - Google Patents
Electric wheelchair capable of climbing stairs upward and downward and getting over small obstacles Download PDFInfo
- Publication number
- CN200973788Y CN200973788Y CN 200620029670 CN200620029670U CN200973788Y CN 200973788 Y CN200973788 Y CN 200973788Y CN 200620029670 CN200620029670 CN 200620029670 CN 200620029670 U CN200620029670 U CN 200620029670U CN 200973788 Y CN200973788 Y CN 200973788Y
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- Prior art keywords
- wheel
- frame
- gear
- chair
- spoke
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- Expired - Fee Related
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Abstract
An electric wheelchair capable of ascending/descending the stairs and crossing over small barriers belongs to the technical field of facilities for patients or the disabled. The electric wheelchair comprises a chair, a frame and a steering frame both arranged below the chair. A front wheel is arranged on the steering frame by a front shaft; and a front wheel drive inner gear arranged on the front wheel. A speed reducer, a clutch, a front wheel drive gear, and a master travel wheel driving gear are arranged on the front shaft. The front wheel has 4-6 wheel spokes each provided with a pair of traveling wheels at the front end. The master travel wheel driving gear is connected with a chain wheel coaxial to the traveling wheels via a medium chain wheel and a chain. The frame is arranged at the bottom of the chair and the left and right sides are provided respectively with a rear wheel via a rear shaft. The rear wheel has 4-6 wheel spokes each provided with a traveling wheel at the front end. Braking devices are arranged inside the wheels. A battery cell and a motor for driving the rear wheels are arranged below the frame. A chair horizontal adjustment device is arranged below the chair. The utility model is helpful for people with walking difficulty to ascend or descend the stairs and can reduce burdens of the family. The utility model has the advantages of steady walking and functions of ascending/descending the stairs and crossing over small barriers.
Description
Technical field
This utility model belongs to and makes things convenient for patient or people with disability's equipment technical field, be specifically related to a kind of can stair activity, cross the wheelchair of small-sized obstacle, international Patent classificating number is: A61G 5/06.
Background technology
For making things convenient for patient's the walking that reaches lower limb maimed person brain and upper limb abled person of moving, meeting the tendency has produced wheelchair.Wheelchair roughly has two kinds, and a kind of is the walking that occupant oneself handles wheelchair, also can be pushed away by the guardian; Second kind is exactly the walking that occupant oneself handles wheelchair, and does not need the guardian.Two kinds of wheelchairs of above-mentioned person generally only are adapted at level walking.Now many patients that live upstairs or lower limb maimed person and brain and upper limb abled person go up the burden that just becomes himself and household downstairs, promptly will be downstairs and the back building with the former back of the body, under again wheelchair being transported, promptly inconvenience consumes one's strength again.
Summary of the invention
Goal of the invention of the present utility model provide a kind of can stair activity, help inconvenient people to realize free stair activity, alleviate household's burden a kind of can upper and lower stair, cross the electric wheelchair of small-sized obstacle.
This utility model is that vehicle frame and direction frame are installed under seat, is equipped with at direction frame rear side and turns to gear ring, turns to gear ring and the tooth sector engagement that is installed in vehicle frame the place ahead, and steering wheel is housed on tooth sector; On the direction frame, motor is installed, on the direction frame, preceding wheel body is installed, the front-wheel drive internal gear is installed on the pro-wheel body, decelerator, clutch, front-wheel drive gear, road wheel master driven wheel also are installed on front axle by front axle; Preceding wheel body is provided with 5-6 spoke, and each spoke front end is installed a pair of road wheel; Root at each spoke is equipped with stub, and mesomerism gear and intermediary's sprocket wheel are installed on stub, mesomerism gear and the engagement of road wheel master driven wheel, and intermediary's sprocket wheel is connected by the co-axial sprocket wheel of chain and road wheel;
The vehicle frame of seat bottom respectively is equipped with the back wheel body about by rear axle, back wheel body has 5-6 spoke, each spoke front end is equipped with a road wheel, brake gear is installed in wheel body, the motor of storage battery, driving back wheel body is installed under vehicle frame, the seat leveling device is installed under seat.
This utility model can make the people of legs and feet inconvenience realize free stair activity, alleviates household's burden, has smooth running, can stair activity and the good effect of crossing small-sized obstacle.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a plan structure sketch map of the present utility model;
Fig. 3 is a wheel body drive connection sketch map before this utility model.
The specific embodiment
As shown in Figure 1-Figure 3, this utility model is at 21 times installation vehicle frames of seat and direction frame, is equipped with at direction frame rear side and turns to gear ring 19, turns to gear ring 19 and tooth sector 18 engagements that are installed in vehicle frame the place ahead, and steering wheel 17 is housed on tooth sector; Motor 2 is installed on the direction frame, and wheel body 4 before being equipped with by front axle on the direction frame is equipped with front-wheel drive internal gear 13 on the pro-wheel body 4, decelerator 3, clutch 5, front-wheel drive gear 7, road wheel master driven wheel 6 also are installed on front axle; Preceding wheel body 4 is provided with five spokes, and each spoke front end is installed a pair of road wheel 12; Root at each spoke is equipped with stub, and mesomerism gear 8 and intermediary's sprocket wheel 9 are installed on stub, mesomerism gear 8 and 6 engagements of road wheel master driven wheel, and intermediary's sprocket wheel 9 is connected with road wheel 12 co-axial sprocket wheels 11 by chain 10;
The vehicle frame of seat 21 bottoms respectively is equipped with back wheel body 15 about by rear axle, back wheel body has five spokes, each spoke front end is equipped with a road wheel 23, brake gear 16 is installed in wheel body 15, the motor 22 of storage battery 1, driving back wheel body 15 is installed under vehicle frame, 21 times seat leveling device 20 is installed at seat.
Using method of the present utility model is: driven motor 2, driven decelerator 3 by storage battery 1, the front-wheel drive gear 7 and the road wheel master driven wheel 6 that drive on the preceding wheel body by clutch 5 rotate, rotate with the mesomerism gear 8 of road wheel master driven wheel 6 engagements, drive its co-axial intermediary sprocket wheel 9, intermediary's sprocket wheel 9 drives the road wheel sprocket rotation by chain 10 rotates road wheel 12, thereby realizes the walking of wheelchair; When running into stair or small-sized obstacle, 13 engagements of front-wheel drive internal gear are installed on front-wheel drive gear 7 and the preceding wheel body 4 drive preceding wheel body rotation; Motor 22 drives decelerator 14 and drives back wheel body rotation simultaneously, thereby realizes stair activity and cross small-sized obstacle.Can realize brake by the brake shoes on the trailing wheel 16.When needs turned to, usable rotational direction dish 17 was realized turning to by the gear ring 19 of tooth sector 18 engages fixed on the direction frame; When stair activity, keep the basic horizontal of seat by horizontal adjustment screw rod 20, guarantee occupant's safety.
Claims (1)
1, a kind of can upper and lower stair, cross the electric wheelchair of small-sized obstacle, comprise front-wheel, trailing wheel, direction frame, motor and seat, it is characterized in that:
Installation vehicle frame and direction frame under described seat (21), on the direction frame, preceding wheel body (4) is installed by front axle, front-wheel drive internal gear (13) is installed on the pro-wheel body (4), decelerator (3), clutch (5), front-wheel drive gear (7), road wheel master driven wheel (6) also are installed on front axle; Preceding wheel body (4) is provided with 4-6 spoke, and each spoke front end is installed a pair of road wheel (12); Root at each spoke is equipped with stub, mesomerism gear (8) and intermediary's sprocket wheel (9) are installed on stub, mesomerism gear (8) and road wheel master driven wheel (6) engagement, intermediary's sprocket wheel (9) is connected with the co-axial sprocket wheel of road wheel (12) (11) by chain (10);
The vehicle frame of seat (21) bottom respectively is equipped with back wheel body (15) about by rear axle, back wheel body has 4-6 spoke, each spoke front end is equipped with a road wheel (23), and brake gear (16) is installed in wheel body (15), and seat leveling device (20) is installed under seat (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620029670 CN200973788Y (en) | 2006-12-01 | 2006-12-01 | Electric wheelchair capable of climbing stairs upward and downward and getting over small obstacles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620029670 CN200973788Y (en) | 2006-12-01 | 2006-12-01 | Electric wheelchair capable of climbing stairs upward and downward and getting over small obstacles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200973788Y true CN200973788Y (en) | 2007-11-14 |
Family
ID=38900082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620029670 Expired - Fee Related CN200973788Y (en) | 2006-12-01 | 2006-12-01 | Electric wheelchair capable of climbing stairs upward and downward and getting over small obstacles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200973788Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309381A (en) * | 2011-08-19 | 2012-01-11 | 钟群明 | Self-balancing electric wheelchair capable of going up and down stairs and walking on flat ground |
| CN104323891A (en) * | 2014-07-28 | 2015-02-04 | 深圳市先驰科技有限公司 | Climbing electric wheelchair with health supervision and alarm functions |
| CN108945024A (en) * | 2018-08-01 | 2018-12-07 | 朱幕松 | The synchronous electronic manned stairs clambing handcart of ratchet wheel |
-
2006
- 2006-12-01 CN CN 200620029670 patent/CN200973788Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309381A (en) * | 2011-08-19 | 2012-01-11 | 钟群明 | Self-balancing electric wheelchair capable of going up and down stairs and walking on flat ground |
| CN104323891A (en) * | 2014-07-28 | 2015-02-04 | 深圳市先驰科技有限公司 | Climbing electric wheelchair with health supervision and alarm functions |
| CN108945024A (en) * | 2018-08-01 | 2018-12-07 | 朱幕松 | The synchronous electronic manned stairs clambing handcart of ratchet wheel |
| CN108945024B (en) * | 2018-08-01 | 2019-09-27 | 朱幕松 | The synchronous electronic manned stairs clambing handcart of ratchet wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20121201 |