CN215821444U - Triangular crawler type stair climbing wheelchair device - Google Patents
Triangular crawler type stair climbing wheelchair device Download PDFInfo
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- CN215821444U CN215821444U CN202121067047.1U CN202121067047U CN215821444U CN 215821444 U CN215821444 U CN 215821444U CN 202121067047 U CN202121067047 U CN 202121067047U CN 215821444 U CN215821444 U CN 215821444U
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- triangular crawler
- climbing wheelchair
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Abstract
本实用新型专利属于机械设备技术领域，具体涉及一种三角履带式爬楼轮椅装置，包括行走机构、承载机构和调整机构，行走机构包括履带和能够驱动履带实现行走功能的行走部件，承载机构包括底座、坐垫、靠背、扶手和翻转踏板，调整机构包括翻转液压缸和翻转支架，行进过程中，履带轮实现稳定的通过性能，减震器配合前置大轮径从动轮提高接触角度实现阶梯地形的通过能力，翻转液压缸配合翻转支架调整底座重心实现姿态稳定。本实用新型通过选用三角履带式轮组和电机控制，辅以弹簧减震机构解决了自动轮椅多地形尤其是阶梯地形的通过性难题，翻转踏板与翻转液压缸相结合，使得行驶过程中驾驶人的重心保持水平，具有安全舒适等优点。
The utility model patent belongs to the technical field of mechanical equipment, and in particular relates to a triangular crawler type stair climbing wheelchair device, which includes a walking mechanism, a bearing mechanism and an adjustment mechanism. The base, seat cushion, backrest, armrests and flip pedals. The adjustment mechanism includes flip hydraulic cylinder and flip bracket. During traveling, the track wheel achieves stable passing performance. The shock absorber cooperates with the front large wheel diameter driven wheel to improve the contact angle and realize stepped terrain. The ability to pass, the overturning hydraulic cylinder cooperates with the overturning bracket to adjust the center of gravity of the base to achieve stable posture. The utility model solves the difficulty of passing the automatic wheelchair in multiple terrains, especially the stepped terrain by selecting the triangular crawler wheel group and the motor control, supplemented by the spring damping mechanism. The center of gravity is kept horizontal, which has the advantages of safety and comfort.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment, and particularly relates to a triangular crawler type stair climbing wheelchair device.
Background
Wheelchairs have become indispensable tools for riding instead of walk for elderly groups and disabled people with inconvenient actions, but the traditional wheelchairs cannot solve the problem of poor trafficability of complex terrains, particularly stepped roads, and the use experience brought by the traditional modeling and interaction mode is not ideal.
The utility model solves the trafficability problem of the automatic wheelchair on various terrains, particularly on terraced terrains, by selecting the triangular crawler type wheel set and the motor for control and assisting the spring damping mechanism. The engineering mesh surface seat and the touch operation device greatly improve the comfort and interaction convenience of use. The reasonable optimization of the structures of the supporting parts and the wheel sets enables the product to have the characteristics of moderate material cost, greenness, energy conservation and attractive appearance.
Currently, there are two general ways to solve this problem by automatic means that are implemented on the market: firstly, the function of stair climbing has been realized to rearmounted folding crawler-type electric wheelchair, and it is folding to the back to go with the track when level ground, relies on the gyro wheel walking, has nimble small and exquisite advantage. However, when climbing, the device needs a person to assist in traction from the side when a driver leans against the stairs, and cannot realize complete autonomous control. Secondly put flexible ejector pin formula electric wheelchair down, the ejector pin of gyro wheel below realizes the ladder climbing function through the cooperation of luffing motion and flexible from top to bottom, has realized that complete single is controlled, but goes comparatively slowly, and the selection requirement to the stair type is higher.
Disclosure of Invention
The utility model aims to solve the problems that the conventional wheelchair cannot realize complete autonomous control of climbing stairs and high passing efficiency is required to be kept, and provides a triangular crawler type stair climbing wheelchair device.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a triangular crawler type stair climbing wheelchair device comprises: the walking mechanism comprises a crawler belt and a walking part capable of driving the crawler belt to realize a walking function;
the bearing mechanism comprises a base arranged between the crawler belts, a cushion arranged on the base, a backrest respectively connected with the base and the cushion, two handrails arranged on two sides of the cushion, and a turnover pedal arranged on the front part of the base.
The adjusting mechanism comprises a turning support arranged between the tracks, a turning hydraulic cylinder with one end connected with the base and the other end connected with the turning support, and crank mechanisms arranged at two ends of the base.
Preferably, the walking part comprises two driving wheels arranged on two sides of the base, a pair of driving wheel supports connected with the driving wheels, two pairs of front driven wheels arranged on the lower side of the front ends of the driving wheel supports, two pairs of rear driven wheels arranged on the lower side of the rear ends of the driving wheel supports, two pairs of driven wheel supports respectively connected with the front driven wheels and the rear driven wheels, four driven wheel shafts connected with the driven wheels, and dampers respectively connected with the driving wheel supports and the driven wheel shafts, wherein the two driving wheels are connected with driving motors.
Preferably, the rear part of the base is provided with a lithium battery and a charging port, and the front part of the base is provided with a loudspeaker.
Preferably, a lighting device is arranged below the armrest, and a touch screen and a button are arranged at a contact position above the armrest.
Preferably, the base is wholly L-shaped, is provided with certain radian in the front and back, and guarantees that certain ground clearance makes the base can not touch with the ground within the range of inclination angles of plus and minus seventy degrees.
Preferably, the driving wheel, the front driven wheel and the rear driven wheel are integrally hollowed out, the front driven wheel is larger than the rear driven wheel, the driving wheel is located between the front driven wheel and the rear driven wheel, and the driving wheel support is of an integrally formed triangular structure.
Preferably, certain intervals are reserved between the seat cushion and the base and between the backrest and the base respectively.
Preferably, one end of the crank mechanism is connected with the base, and the other end of the crank mechanism is connected with the driving wheel support.
After the technical scheme is adopted, the triangular crawler type stair climbing wheelchair provided by the utility model has the following beneficial effects:
1) the utility model realizes the full-automatic control climbing function of the automatic wheelchair, the adjusting mechanism ensures the level of the base, and a driver can independently control the wheelchair to safely pass in the face of a driving environment with large inclination angles and going upstairs and downstairs.
2) The utility model adopts the design of the wheel diameter of the driven wheel with a large front part and a small back part, improves the contact angle of the initial stage of the steps on the track and realizes the applicability to the steps with large inclination angles.
3) According to the utility model, the shock absorber is arranged between the driving wheel support and the driven wheel shaft, so that a certain shock absorption capacity is provided when the vehicle runs on flat ground, and when the vehicle faces a step, the shock absorber is subjected to compressive stress by the resistance of the step to the crawler belt, so that the contact angle is further improved, and the step passing performance is improved.
4) The driving wheels and the front driven wheels are arranged in a staggered mode, a certain cushioning stroke is reserved, and the height of the crawler wheels is reduced, so that the center of gravity of the wheelchair is lowered, and the stability is improved.
5) According to the utility model, the engineering mesh surface seat is selected, and a certain distance is reserved between the seat cushion and the backrest and the base respectively, so that a certain deformation space is ensured, and the driving comfort is improved. The lighting device and the loudspeaker are selected to improve the driving safety.
Drawings
FIG. 1 is a schematic structural view of a triangular crawler type stair-climbing wheelchair device according to the present invention;
FIG. 2 is a rear structural view of a triangular crawler type stair-climbing wheelchair device according to the present invention;
FIG. 3 is a schematic view of the internal structure of the base of the triangular crawler-type stair-climbing wheelchair device according to the present invention;
FIG. 4 is a schematic view of a part of the traveling structure of the triangular crawler type stair-climbing wheelchair device according to the present invention;
fig. 5 is a driving schematic diagram of the triangular crawler type stair-climbing wheelchair device of the utility model.
Wherein: the device comprises a travelling mechanism (1), a crawler belt (11), a travelling part (12), a driving wheel (121), a driving wheel support (122), a front driven wheel (123), a rear driven wheel (124), a driven wheel support (125), a driven wheel shaft (126), a shock absorber (127), a driving motor (128), a bearing mechanism (2), a base (21), a lithium battery (211), a charging port (212), a loudspeaker (213), a cushion (22), a backrest (23), a handrail (24), a lighting device (241), a touch screen and a button (242), a turnover pedal (25), an adjusting mechanism (3), a turnover support (31), a turnover hydraulic cylinder (32) and a crank mechanism (33).
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 4, the present invention provides a triangular crawler type stair-climbing wheelchair device, comprising: the walking mechanism 1 comprises a crawler belt 11 and a walking part 12 capable of driving the crawler belt 11 to realize a walking function, trapezoidal anti-slip strips are arranged on the outer side of the crawler belt 11, the walking part 12 comprises two driving wheels 121, a pair of driving wheel supports 122 connected with the driving wheels, two pairs of front driven wheels 123 arranged on the lower side of the front ends of the driving wheel supports 122, two pairs of rear driven wheels 124 arranged on the lower side of the rear ends of the driving wheel supports 122, two pairs of driven wheel supports 125 respectively connected with the front driven wheels 123 and the rear driven wheels 124, four driven wheel shafts 126 connected with the driven wheels, dampers 127 respectively connected with the driving wheel supports 122 and the driven wheel shafts 126, the two driving wheels 121 are both connected with driving motors 128, the driving wheels 121, the front driven wheels 123 and the rear driven wheels 124 adopt an integrated hollow design to reduce the dead weight of the crawler belt wheels, the front driven wheel 123 is larger than the rear driven wheel 124, a larger contact angle is beneficial to passing through a step with a larger inclination angle, the driving wheel 121 is positioned between the front driven wheels 123, the rims are arranged in a staggered mode, a certain shock absorption stroke is reserved, meanwhile, the height of the crawler wheels is reduced, so that the gravity center of the wheelchair is lowered, the driven wheels which are configured in pairs are used for improving the driving stability, the shock absorbers 127 provide certain shock absorption capacity when the wheelchair runs on the flat ground, when the wheelchair faces a step situation, the resistance of the step to the crawler belt enables the shock absorbers to be subjected to pressure stress, the contact angle is further improved, so that the step passing performance is improved, the driving wheel support 122 adopts an integrally formed triangular structure, the overall quality is reduced, and the overall structural strength of the triangular crawler wheels is improved.
Adjustment mechanism 3 is including setting up the upset support 31 between track 11, and one end links to each other with base 21, and the upset pneumatic cylinder 32 that the other end links to each other with upset support 31 sets up the crank mechanism 33 at base 21 both ends, crank mechanism 33 one end links to each other with base 21, and the other end links to each other with action wheel support 122, and base 21 passes through crank mechanism 33 and is connected with the crawler wheel rotation, and when the ladder about the wheelchair, upset pneumatic cylinder 32 promotes base 21, and base 21 rotates certain angle for cushion 22 keeps horizontal position all the time, improves driving safety and travelling comfort.
The rear portion of the base 21 is provided with a lithium battery 211 and a charging port 212, the front portion of the base 21 is provided with a loudspeaker 213, the lower portion of the armrest 24 is provided with a lighting device 241, the loudspeaker 213 and the lighting device 241 are selected to improve driving safety, and a touch screen and a button 242 are arranged at a contact position above the armrest 24.
As shown in fig. 5, the triangular crawler type stair climbing wheelchair device provided by the utility model has three driving postures, namely a flat ground posture, an upper stair posture and a lower stair posture.
The triangular crawler type stair climbing wheelchair device provided by the utility model solves the problem of how a driver independently controls a wheelchair to quickly and stably pass through in a stair environment, is particularly suitable for electric wheelchair users with lower limbs inconvenient to move, and is particularly suitable for a complex traffic environment containing stair terrains and without accompanying companions. The electric wheelchair equipment realizes complete autonomous control, does not need assistance of other people, and has the advantages of strong terrain adaptability, high ladder passing efficiency, comfortable and safe driving and the like.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121067047.1U CN215821444U (en) | 2021-05-18 | 2021-05-18 | Triangular crawler type stair climbing wheelchair device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121067047.1U CN215821444U (en) | 2021-05-18 | 2021-05-18 | Triangular crawler type stair climbing wheelchair device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821444U true CN215821444U (en) | 2022-02-15 |
Family
ID=80188823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121067047.1U Expired - Fee Related CN215821444U (en) | 2021-05-18 | 2021-05-18 | Triangular crawler type stair climbing wheelchair device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081528A (en) * | 2021-05-18 | 2021-07-09 | 江苏理工学院 | Triangular crawler type stair climbing wheelchair |
-
2021
- 2021-05-18 CN CN202121067047.1U patent/CN215821444U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081528A (en) * | 2021-05-18 | 2021-07-09 | 江苏理工学院 | Triangular crawler type stair climbing wheelchair |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |