CN202637315U - Wheelchair capable of walking up and down stairs - Google Patents
Wheelchair capable of walking up and down stairs Download PDFInfo
- Publication number
- CN202637315U CN202637315U CN 201220149903 CN201220149903U CN202637315U CN 202637315 U CN202637315 U CN 202637315U CN 201220149903 CN201220149903 CN 201220149903 CN 201220149903 U CN201220149903 U CN 201220149903U CN 202637315 U CN202637315 U CN 202637315U
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- wheelchair
- lateral strut
- pole
- main body
- pulley
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Abstract
The utility model discloses a wheelchair capable of walking up and down stairs. The wheelchair comprises a wheelchair main body (1), a support frame device (2), a power device (3) and a control device (31), wherein the support frame device (2) is provided with a telescopic transverse supporting rod (7), a first supporting rod (5) and a second supporting rod (6); the two ends of the transverse supporting rod (7) are connected with the end parts of the first supporting rod (5) and the second supporting rod (6) through universal joints (8) respectively; the transverse supporting rod (7) is provided with a pulley (72) braked by using a motor; the pulley (72) is connected with a fixer (11) on the lower part of a chair seat of the wheelchair main body (1); the transverse supporting rod (7) extends towards the two ends; the first supporting rod (5) and the second supporting rod (6) extend downwards; and the pulley (72) is used for driving the wheelchair main body (1) to move along the axial direction of the transverse supporting rod (7). Due to the adoption of a way for making the transverse supporting rod slide at a uniform speed along the transverse support rod of the support frame device (2), the aim of making the wheelchair go up and down stairs freely is fulfilled, a rider of the wheelchair can go up and down stairs without any help, and the inconvenience in going up and down stairs is improved for the wheelchair rider.
Description
Technical field
This utility model relates to the employed wheelchair technical field of people with disability, the especially a kind of wheelchair that can control voluntarily stair activity.
Background technology
Wheelchair generally is only applicable to the level land and carries out, and can not solve the voluntarily problem of stair activity, brings inconvenience for handicapped occupant.Stair climbing wheelchair for the research and development of this problem is also arranged in the market, but all be the rotaring wheel structure that changes wheelchair, the mode of crawler belt perhaps is set, the elevation angle and the rank height of stair had certain requirement, and complex structure, cost is high, safety coefficient is low.
The utility model content
The purpose of this utility model is to solve the problems of the prior art, provides a kind of simple in structure, the wheelchair that can control voluntarily stair activity applied widely.
The technical solution of the utility model is: but a kind of wheelchair of stair activity, comprise wheelchair main body 1, support frame device 2, power set 3 and control device 31, support frame device 2 is provided with telescopic lateral strut 7, the first pole 5 and the second pole 6, the two ends of lateral strut 7 are connected by universal joint 8 with the end of the first pole 5 and the second pole 6 respectively, lateral strut 7 is provided with the pulley 72 by motor brake, pulley 72 connects the holder 11 of the bottom of wheelchair main body 1 seat support, lateral strut 7 is extended to two ends, the first pole 5 and the second pole 6 are extended downwards, pulley 72 drives wheelchair main body 1 along lateral strut 7 axial displacements, power set 3 are arranged on the bottom of wheelchair main body 1 seat support, for the pulley 72 on the flexible and lateral strut 7 of each pole of support frame device 2 provides power, control device 31 electrically connects with power set 3.
Preferably, the built-in tripod fixed mount 51 of an end near the ground of described the first pole 5 and the second pole 6.
Preferably, the expansion link of support frame as described above device 2 is that hydraulically extensible, elastic force are curling flexible or the antenna rod-pulling type flexible.
Preferably, the universal joint 8 of the junction of described lateral strut 7 and the first pole 5 and the second pole 6 is provided with the angle stator.
Preferably, support frame as described above device 2 is provided with telescopic middle support rod 4, the top of middle support rod 4 is connected with pulley 72 on the lateral strut 7, and the bottom of middle support rod 4 is fixed on the both sides of wheelchair main body 1, and pulley 72 drives middle support rods 4 and wheelchair main body 1 along lateral strut 7 axial displacements.
Preferably, the bottom of the middle support rod 4 of support frame as described above device 2 is fixed on the rear side of wheelchair main body, is equipped with a cover support frame device 2.
Preferably, support frame as described above device 2 is provided with lateral strut 7A and the lateral strut 7B that is set up in parallel, be respectively equipped with pulley 72A and pulley 72B in lateral strut 7A and the lateral strut 7B, these two pulleys are fixedly connected with the holder 11 of the bottom of wheelchair main body 1 seat support again and are connected, lateral strut 7A and lateral strut 7B two ends separately are connected by universal joint 8 with the end of the first pole 5 and the second pole 6 respectively, lateral strut 7A and lateral strut 7B alternately move forward, and drive wheelchair main body 1 along axial one section one section ground displacement of lateral strut.
The beneficial effects of the utility model are: adopt support frame device, the mode that wheelchair is slided along the lateral strut average rate of support frame device 2, reach the purpose of the free stair activity of wheelchair, the occupant of wheelchair can finish voluntarily, has greatly improved the inconvenience of wheelchair occupant stair activity.And by fixing of support frame device, but even running is safe and reliable.Simple in structure, cost is low.
Description of drawings
But Fig. 1 is the Wheelchair structure sketch map of the stair activity of this utility model embodiment one;
But Fig. 2 is the wheelchair operation sketch map of the stair activity of this utility model embodiment one;
But Fig. 3 is the Wheelchair structure sketch map of the stair activity of this utility model embodiment one;
But Fig. 4 is the Wheelchair structure sketch map of the stair activity of this utility model embodiment two;
But Fig. 5 is the wheelchair operation sketch map of the stair activity of this utility model embodiment two;
But Fig. 6 is the Wheelchair structure sketch map of the stair activity of this utility model embodiment two;
But Fig. 7 is the wheelchair operation sketch map of the stair activity of this utility model embodiment three;
The specific embodiment
Below in conjunction with accompanying drawing embodiment one of the present utility model is described further.
But a kind of wheelchair of stair activity comprises wheelchair main body 1, support frame device 2, power set 3 and control device 31.
The bottom of the middle support rod 4 of support frame device 2 is fixed on the both sides of wheelchair main body 1, the two cover support frame devices 2 that need to be parallel to each other this moment.Support frame device 2 each pole are telescopic rod, can be that hydraulically extensible, elastic force are curling flexible or the antenna rod-pulling type flexible.Power set 3 are arranged on the bottom of wheelchair main body 1 seat support, can not affect the wheelchair outward appearance like this, power set 3 provide power for the pulley 72 on the flexible and lateral strut 7 of each pole of support frame device 2, and control device 31 electrically connects with power set 3, can be arranged on the wheelchair armrest place.
During the wheelchair horizontal movement, support frame device 2 is contraction state, when running into stair and need go downstairs, open direction switch by control device 31, middle support rod 4 upwards rises, stop to rise and locking after rising to predetermined altitude, adjust the vertical direction of lateral strut 7 according to the angle of depression of stair, make lateral strut 7 and stair near parallel, then open the elongation switch, lateral strut 7 is to two ends elongations, and the length of elongation is greater than the length of elongation upwards downwards, stops elongation and locking after being stretched to the suitable length of being wider than stair; Again open direction switch, the first pole 5 and the second pole 6 be elongation downwards respectively, is stretched to stop behind the predetermined length and lock, and built-in tripod fixed mount 51 stretches out, and supports to ground.Middle support rod 4 upwards lifts wheelchair main body 1, makes the height on wheelchair main body 1 and ground greater than the height of one-level step.Also can be that middle support rod is motionless, continue elongation the first pole 5 and the second pole 6, lateral strut 7 is raise, driving simultaneously wheelchair main body 1 raises, to the height on wheelchair main body 1 and the ground height greater than the one-level step, more than the length of elongation or rising can preset, and also can be controlled voluntarily by control device.Open displacement switch, (can be reductor by the motor in the power set 3, with the downward potential energy of balance) control pulley 72 down sliding at the uniform velocity, drive middle support rods 4 and wheelchair main body 1 along lateral strut 7 axial displacements by pulley 72, moving to hemisphere stops, middle support rod 4 is transferred wheelchair main body 1 to ground, opens the contraction switch after stablizing, and regains successively tripod fixed mount, the first pole 5 and the second pole 6, lateral strut 7 and middle support rod 4.
Run into when needing upstairs, then adjust the vertical direction of lateral strut 7 according to the elevation angle of stair, and lateral strut 7 upwards the length of elongation is greater than the downward length of elongation, other working methods are identical when going downstairs.
The other end of middle support rod 4 can also be fixed on the rear side of wheelchair main body, only needs a cover support frame device 2 this moment.
Embodiment two of the present utility model:
But a kind of wheelchair of stair activity comprises wheelchair main body 1, support frame device 2, power set 3 and control device 31.
As shown in the figure, support frame device 2 is provided with lateral strut 7, the first pole 5 and the second pole 6, the two ends of lateral strut 7 are connected by universal joint 8 with the end of the first pole 5 and the second pole 6 respectively, the built-in tripod fixed mount 51 of an end near the ground of the first pole 5 and the second pole 6.Lateral strut 7 is provided with chute 71 vertically, and lateral strut 7 interior settings are by the pulley 72 of motor brake, and pulley 72 connects the holder 11 of the bottom of wheelchair main body 1 seat support.
During the wheelchair horizontal movement, support frame device 2 is contraction state, when running into stair and need go downstairs, adjust the vertical direction of lateral strut 7 according to the angle of depression of stair, make lateral strut 7 and stair near parallel, open the elongation switch by control device 31, lateral strut 7 is extended to two ends, downwards the length of elongation is greater than the length of elongation upwards, stops elongation and locking after being stretched to the suitable length of being wider than stair; Open direction switch, the first pole 5 and the second pole 6 be elongation downwards respectively, is stretched to stop behind the predetermined length and lock, and built-in tripod fixed mount stretches out, and supports to ground.Continue elongation the first pole 5 and the second pole 6, lateral strut 7 is raise, drive simultaneously wheelchair main body 1 and raise, to the height on wheelchair main body 1 and the ground height greater than the one-level step.More than the length of elongation or rising can preset, and also can be controlled voluntarily by control device.Open displacement switch, (can be reductor by the motor in the power set 3, with the downward potential energy of balance) control pulley 72 down sliding at the uniform velocity, drive middle support rods 4 and wheelchair main body 1 along lateral strut 7 axial displacements by pulley 72, moving to hemisphere stops, the first pole 5 and the second pole 6 are transferred wheelchair main body 1 to ground, open the contraction switch after stablizing, and regain successively tripod fixed mount, the first pole 5 and the second pole 6 and lateral strut 7.
Run into when needing upstairs, then adjust the vertical direction of lateral strut 7 according to the elevation angle of stair, and lateral strut 7 upwards the length of elongation is greater than the downward length of elongation, other working methods are identical when going downstairs.
Embodiment three of the present utility model:
But a kind of wheelchair of stair activity comprises wheelchair main body 1, support frame device 2, power set 3 and control device 31.
As shown in the figure, support frame device 2 is provided with the first pole 5, the second pole 6 and the lateral strut 7A that is set up in parallel and lateral strut 7B, be respectively equipped with pulley 72A and pulley 72B in lateral strut 7A and the lateral strut 7B, these two pulleys are fixedly connected with the holder 1111 of the bottom of wheelchair main body 1 seat support again and are connected, lateral strut 7A and lateral strut 7B two ends separately are connected by universal joint 8 with the end of the first pole 5 and the second pole 6 respectively, the built-in tripod fixed mount 51 of an end near the ground of the first pole 5 and the second pole 6.
During the wheelchair horizontal movement, support frame device 2 is contraction state, when running into stair and need go downstairs, adjust the vertical direction of lateral strut 7A and lateral strut 7B according to the angle of depression of stair, make lateral strut 7A and lateral strut 7B and stair near parallel, open the elongation switch by control device 31, lateral strut 7A and lateral strut 7B extend to two ends, downwards the length of elongation is greater than the length of elongation upwards, stops elongation and locking after being stretched to suitable length; Open direction switch, the first pole 5 and the second pole 6 be elongation downwards respectively, is stretched to stop behind the predetermined length and lock, and built-in tripod fixed mount 51 stretches out, and supports to ground.Continue elongation the first pole 5 and the second pole 6, lateral strut 7A and lateral strut 7B are raise, drive simultaneously wheelchair main body 1 and raise, to the height on wheelchair main body 1 and the ground height greater than the one-level step.More than the length of elongation or rising can preset, and also can be controlled voluntarily by control device.Open displacement switch, (can be reductor by the motor in the power set 3, with the downward potential energy of balance) control pulley 72A and pulley 72B down sliding at the uniform velocity, drive wheelchair main body 1 along lateral strut axial displacement by pulley 72A and pulley 72B, the front end that moves to lateral strut stops, pack up the tripod fixed mount 51 of the connection at lateral strut 7A two ends this moment, then move forward lateral strut 7A, lateral strut 7B, pulley 72A and pulley 72B are motionless, stop during near pulley 72A to the tail end of lateral strut 7A, transfer two ends tripod fixed mount 51.Pack up the tripod fixed mount 51 of the connection at lateral strut 7B two ends after stable, then move forward lateral strut 7B, lateral strut 7A, pulley 72A and pulley 72B are motionless, stop during near pulley 72B to the tail end of lateral strut 7B, transfer two ends tripod fixed mount 51.Again open displacement switch, by control device 31 control pulley 72A and pulley 72B down sliding at the uniform velocity, the front end that moves to lateral strut stops, by that analogy, one section one section ground is to bottom offset until ground, open the contraction switch after stable, regain successively tripod fixed mount, the first pole 5 and the second pole 6 and lateral strut 7A, lateral strut 7B.
In the present embodiment, employing replaces mobile lateral strut 7A and lateral strut 7B reaches the mode that moves forward, and the lateral strut length of support frame device 2 is reduced, and can improve the bearing capacity of support frame device 2, makes this utility model more firm.
Run into when needing upstairs, opposite direction only, other working methods are identical when going downstairs.
In above-mentioned three kinds of embodiment, the universal joint 8 of the junction of lateral strut 7 and the first pole 5 and the second pole 6 is to make the first pole 5 and the second pole 6 with lateral strut 7 flexibly angle be arranged, in order to when upper and lower stair, adjust according to the bowing of stair, elevation angle degree, but for steadiness is considered, universal joint 8 also is provided with the angle stator, behind the angle of inclination of confirming lateral strut 7, the angle of permanent universal joint 8.
This utility model can also be applied in automobile or other field of vehicles, wheelchair is replaced with automobile get final product, and can help automobile to cross over river, perhaps other barrier.
The above only is the better embodiment of this utility model, is not to limit practical range of the present utility model, and the equivalence of in every case doing in protection domain of the present utility model changes and modifies, and all should think to have fallen in the protection domain of the present utility model.
Claims (7)
1. but the wheelchair of a stair activity, comprise wheelchair main body (1), support frame device (2), power set (3) and control device (31), it is characterized in that, support frame device (2) is provided with telescopic lateral strut (7), the first pole (5) and the second pole (6), the two ends of lateral strut (7) are connected by universal joint (8) with the end of the first pole (5) and the second pole (6) respectively, lateral strut (7) is provided with the pulley (72) by motor brake, pulley (72) connects the holder (11) of the bottom of wheelchair main body (1) seat support, lateral strut (7) is extended to two ends, the first pole (5) and the second pole (6) be elongation downwards, pulley (72) drives wheelchair main body 1 along lateral strut (7) axial displacement, power set (3) are arranged on the bottom of wheelchair main body (1) seat support, for the pulley (72) on the flexible and lateral strut (7) of each pole of support frame device (2) provides power, control device (31) electrically connects with power set (3).
2. but the wheelchair of stair activity as claimed in claim 1 is characterized in that the built-in tripod fixed mount of an end near the ground (51) of described the first pole (5) and the second pole (6).
3. but that to be hydraulically extensible, elastic force curling is flexible or the antenna rod-pulling type is flexible for the wheelchair of stair activity as claimed in claim 1, the expansion link that it is characterized in that support frame as described above device (2).
4. but the wheelchair of stair activity as claimed in claim 1 is characterized in that described lateral strut (7) and the universal joint (8) of the junction of the first pole (5) and the second pole (6) are provided with the angle stator.
5. but such as any wheelchair of described stair activity of claim 1～4, it is characterized in that support frame as described above device (2) is provided with telescopic middle support rod (4), the top of middle support rod (4) is connected with pulley (72) on the lateral strut (7), the bottom of middle support rod (4) is fixed on the both sides of wheelchair main body (1), and pulley (72) drive middle support rod (4) and wheelchair main body (1) are along lateral strut (7) axial displacement.
6. but the wheelchair of stair activity as claimed in claim 5 is characterized in that the bottom of the middle support rod (4) of support frame as described above device (2) is fixed on the rear side of wheelchair main body, is equipped with a cover support frame device (2).
7. but such as any wheelchair of described stair activity of claim 1～4, it is characterized in that support frame as described above device (2) is provided with lateral strut (7A) and the lateral strut (7B) that is set up in parallel, be respectively equipped with pulley (72A) and pulley (72B) in lateral strut (7A) and the lateral strut (7B), these two pulleys are fixedly connected with the holder (11) of the bottom of wheelchair main body (1) seat support again and are connected, lateral strut (7A) and lateral strut (7B) two ends separately are connected by universal joint (8) with the end of the first pole (5) and the second pole (6) respectively, lateral strut (7A) and lateral strut (7B) alternately move forward, and make wheelchair main body (1) along axial one section one section ground displacement of lateral strut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220149903 CN202637315U (en) | 2012-04-10 | 2012-04-10 | Wheelchair capable of walking up and down stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220149903 CN202637315U (en) | 2012-04-10 | 2012-04-10 | Wheelchair capable of walking up and down stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202637315U true CN202637315U (en) | 2013-01-02 |
Family
ID=47406505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220149903 Expired - Fee Related CN202637315U (en) | 2012-04-10 | 2012-04-10 | Wheelchair capable of walking up and down stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202637315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374846A (en) * | 2017-07-25 | 2017-11-24 | 徐秀芳 | A kind of stair climbing wheelchair |
-
2012
- 2012-04-10 CN CN 201220149903 patent/CN202637315U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374846A (en) * | 2017-07-25 | 2017-11-24 | 徐秀芳 | A kind of stair climbing wheelchair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150410 |
|
| EXPY | Termination of patent right or utility model |