CN201052225Y - Electric wheelchair up/down stair device - Google Patents
Electric wheelchair up/down stair device Download PDFInfo
- Publication number
- CN201052225Y CN201052225Y CNU2006201618430U CN200620161843U CN201052225Y CN 201052225 Y CN201052225 Y CN 201052225Y CN U2006201618430 U CNU2006201618430 U CN U2006201618430U CN 200620161843 U CN200620161843 U CN 200620161843U CN 201052225 Y CN201052225 Y CN 201052225Y
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- gear
- power transmission
- wheel
- shaft
- transmission shaft
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Abstract
The utility model discloses a staircase up and down device for an electric wheelchair, wherein two sides of a frame are respectively provided with a set of staircase-climbing devices which are that the two sides and the front portion of a motor are respectively provided with a drive shaft, and the left drive shaft and the right drive shaft are provided with gear hubs, a motor output gear is meshed with big gears of the gear hubs of the left drive shaft and the right drive shaft, a rolling bearing is arranged between the gear hubs and the left and the right drive shafts and the outer side is provided with a gear shaft coupling inner gear ring which can be meshed with an outer gear of a gear shaft coupling outer gear on a splined shaft of the left drive shaft, small gears on the inner side of the gear hubs are meshed or separated with spline gears on a middle drive shaft, the shaft ends of the left drive shaft and a middle drive shaft are respectively provided with a drive chain wheel which is connected with chains, the shaft end of the right drive shaft is provided with two drive chain wheels coaxially, which are respectively connected with the drive chain wheel on the left and the middle drive shafts, and a sun wheel braking chain wheel through the chains, the four corners of the frame are respectively provided with a set of planetary differential motion walking devices, and a central axle which is provided with a planetary wheel stand is installed on a corner of an undercarriage, the planetary wheel stand is provided with three walking wheels and a planetary drive chain wheel which is meshed with a sun wheel, and the planetary drive chain wheel is fixedly connected with a walking wheel and is interlocked with the drive chain wheel. The utility model has the advantages that riders of the electric wheelchair can operate the wheelchair to climb and go down steps without needing help of others, the operation is simple and the employment is convenient.
Description
One, technical field
This utility model belongs to the wheelchair technical field, especially relates to a kind of electric wheelchair stair activity device.
Two, background technology
Common electric wheel Wheel-chair is under the situation that does not have the special-purpose ramp of elevator and wheelchair, and the stair activity step is the problem that perplexs for many years.Common electric is taken turns Wheel-chair at present; only suitable level walking; the problem of stair activity step also can't realize settling a dispute by the parties concerned themselves; bring inconvenience for home-bound patient and old wheelchair occupant's daily routines; need many people to lift wheel Wheel-chair stair activity when running into stairway step, thereby bring inconvenience for the family activity of going out of user.
Three, summary of the invention
The purpose of this utility model is to improve the deficiency of prior art and a kind of realization electric wheel-chair vehicle occupant is provided, under the help that need not other people, oneself handling wheelchair can the stair activity step, electric wheelchair stair activity device simple to operate, easy to use.
The purpose of this utility model is to realize like this, a kind of electric wheelchair stair activity device, be by seat, vehicle frame and road wheel are formed, be characterized in that respectively being provided with one in the both sides of vehicle frame overlaps the stair climbing device, this device is that both sides and the place ahead of motor respectively is provided with a Left Drive axle, middle power transmission shaft, right power transmission shaft, the Left Drive axle of both sides, respectively be provided with a gear hub on the right power transmission shaft, the Left Drive axle of the output gear of motor and motor both sides, gear wheel engagement idle running on the gear hub on the right power transmission shaft, gear hub and Left Drive axle, between the right power transmission shaft rolling bearing is housed and is provided with the gear coupling ring gear in the outside, the ring gear of shaft coupling can with the Left Drive axle, engagement of gear coupling external tooth or disengagement on the right splined driveshaft axle, the pinion of the gear hub inboard on the Left Drive axle can mesh with the spline gear on the middle power transmission shaft or throw off, the Left Drive axle, the outside axle head of middle power transmission shaft respectively is equipped with by chain and connects a drive sprocket that rotates, the outside axle head of right power transmission shaft is coaxially installed with two drive sprockets, one by chain and Left Drive axle, drive sprocket on the middle power transmission shaft connects, another is connected with sun gear braking sprocket wheel by chain, four jiaos of vehicle frame respectively are provided with a cover planetary differential running gear, the central shaft of this device is installed on the angle of frame chassis, planetary wheel carrier is installed on the central shaft, sun gear and the sun gear braking sprocket wheel of fixedlying connected with sun gear, the Gear Planet Transmission sprocket wheel that 3 road wheels is installed on the planetary wheel carrier and meshes with sun gear, the Gear Planet Transmission sprocket wheel is fixedlyed connected with road wheel, and the Gear Planet Transmission sprocket wheel is by chain and drive sprocket interlock.
Compared with the prior art this utility model has following distinguishing feature and good effect: adopt motor-driven this utility model stair activity device, the engagement that cogs by motor output gear and both sides power transmission shaft, realize driving drive sprocket, sun gear, the rotation of gears such as planetary gear, realize the purpose of stair activity, when the disengagement that motor output gear and both sides power transmission shaft cog, promptly can be used as common wheelchair uses, this device can make the wheelchair occupant need not stranger's help, can oneself handle the purpose that wheelchair is realized automatic stair activity, have simple to operate, characteristics easy to use.
Four, description of drawings
Below in conjunction with drawings and Examples this utility model is described in further detail.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the structural representation of looking up of this utility model Fig. 1.
Five, specific embodiments
This utility model is when motorized motions stair activity step, Left Drive axle 20, gear coupling 12 on the right power transmission shaft 6 is thrown off, Left Drive axle 20, right power transmission shaft 6 idle running, Left Drive axle 20 spline gear 16 engagements on little change-speed gearing 14 and middle power transmission shaft 21 splines of hub 15 inboards that cog, drive sprocket 19 rotations on the middle power transmission shaft 21 drive chains 2 and rotate, sun gear brake 17 brakings, sun gear 5 maintains static, Gear Planet Transmission sprocket wheel 18 rotation under the drive of chain 2, and drive planetary wheel carrier 4 together around sun gear 5 revolution, drive road wheel 9 around central shaft 8 rotations, thereby realization wheel Wheel-chair stair activity step.
During indoor quick walking, little change-speed gearing 14 on Left Drive axle 20 gear hubs 15 is thrown off with the spline gear 16 on middle power transmission shaft 21 splines, the gear coupling 12 of right power transmission shaft 6 is thrown off, gear coupling 12 engagements of Left Drive axle 20, drive sprocket 19 rotations on the Left Drive axle 20 drive chain 2 and drive 18 rotations of Gear Planet Transmission sprocket wheel, planetary wheel carrier 4 is motionless, brake 17 is unclamped, sun gear 5 idle running, thus road wheel 9 is realized indoor quick walking with planet sprocket 18 rotations.
During indoor low-speed running, gear coupling 12 on Left Drive axle 20, the right power transmission shaft 6 is thrown off, spline gear 16 on the middle power transmission shaft 21, with little change-speed gearing 14 engagements on Left Drive axle 20 gear hubs 15, drive sprocket 19 on the middle power transmission shaft 21 drives chains 2 and drives planet sprockets 18 rotations, and planetary wheel carrier 4 is motionless, and brake 17 is unclamped, sun gear 5 idle running, thus road wheel 9 is realized indoor low-speed running with planet sprocket 18 rotations.
During outdoor highway fast running, gear coupling 12 on the Left Drive axle 20 is thrown off, spline gear 16 on middle power transmission shaft 21 splines is thrown off with the little change-speed gearing 14 on Left Drive axle 20 gear hubs, gear coupling 12 engagements of right power transmission shaft 6, the driving flywheel 19 on the right power transmission shaft 6 drive chain 3 and drive sun gear 5 around central shaft 8 rotations through sun braking sprocket wheel 17, drive planetary gear 18, road wheel 9 rotations, planetary wheel carrier 4 is motionless, and chain 2 dallies, thereby realizes the fast running on the outdoor highway.
During manual actuation, electric drive system is in neutral gear position, drives wheelchair by moving handwheel.
Claims (1)
1. electric wheelchair stair activity device, be by seat (1), vehicle frame (7) and road wheel (9) are formed, it is characterized in that respectively being provided with one in the both sides of vehicle frame (7) overlaps the stair climbing device, this device is that both sides and the place ahead of motor (10) respectively is provided with a Left Drive axle (20), middle power transmission shaft (21), right power transmission shaft (6), the Left Drive axle (20) of both sides, respectively be provided with a gear hub (15) on the right power transmission shaft (6), the Left Drive axle (20) of the output gear (13) of motor (10) and motor (10) both sides, gear wheel engagement idle running on the gear hub (15) on the right power transmission shaft (6), gear hub (15) and Left Drive axle (20), between the right power transmission shaft (6) rolling bearing is housed and is provided with gear coupling (12) ring gear in the outside, the ring gear of shaft coupling (12) can with Left Drive axle (20), engagement of gear coupling (12) external tooth or disengagement on right power transmission shaft (6) splined shaft, the inboard pinion (14) of gear hub (15) on the Left Drive axle (20) can mesh with the spline gear (16) on the middle power transmission shaft (21) or throw off, Left Drive axle (20), the outside axle head of middle power transmission shaft (21) respectively is equipped with by chain (2) and connects a drive sprocket (19) that rotates, the outside axle head of right power transmission shaft (6) is coaxially installed with two drive sprockets (19), one by chain (2) and Left Drive axle (20), drive sprocket (19) on the middle power transmission shaft (21) connects, another is connected with sun gear braking sprocket wheel (17) by chain (3), four jiaos of vehicle frame (7) respectively are provided with a cover planetary differential running gear, the central shaft of this device (8) is installed on the angle of frame chassis (7), planetary wheel carrier (4) is installed on the central shaft (8), sun gear (5) and the sun gear braking sprocket wheel (17) of fixedlying connected with sun gear (5), the Gear Planet Transmission sprocket wheel (18) that 3 road wheels (9) is installed on the planetary wheel carrier (4) and meshes with sun gear (5), Gear Planet Transmission sprocket wheel (18) is fixedlyed connected with road wheel (9), and Gear Planet Transmission sprocket wheel (18) is by chain (2) and drive sprocket (19) interlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201618430U CN201052225Y (en) | 2006-12-22 | 2006-12-22 | Electric wheelchair up/down stair device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201618430U CN201052225Y (en) | 2006-12-22 | 2006-12-22 | Electric wheelchair up/down stair device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201052225Y true CN201052225Y (en) | 2008-04-30 |
Family
ID=39391894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201618430U Expired - Fee Related CN201052225Y (en) | 2006-12-22 | 2006-12-22 | Electric wheelchair up/down stair device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201052225Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816602A (en) * | 2010-04-01 | 2010-09-01 | 长春旭升科技有限公司 | Multifunctional four-wheel driving type electric wheelchair |
| CN103569181A (en) * | 2013-08-02 | 2014-02-12 | 李军委 | Planetary multi-wheel carrier stair climbing vehicle |
| CN103767840A (en) * | 2014-01-27 | 2014-05-07 | 河北工业大学 | Wheel-type stair-climbing wheelchair |
| CN104068977A (en) * | 2013-03-29 | 2014-10-01 | 陈紫薇 | Wheelchair with climbing function |
| CN104118272A (en) * | 2014-07-30 | 2014-10-29 | 蔡强胜 | Multi-sub-wheel combined belt wheel |
| CN108771586A (en) * | 2018-06-25 | 2018-11-09 | 武汉科技大学 | It is a kind of it is novel can speeling stairway wheelchair |
| CN109505927A (en) * | 2018-12-28 | 2019-03-22 | 内蒙古工业大学 | A kind of motor-driven carrier realizing Weight upstairs climbing ladder and carrying |
| CN110215358A (en) * | 2019-07-10 | 2019-09-10 | 吉林大学 | A kind of electric wheelchair having self-determination climbing stairs function and its control method |
| CN113262112A (en) * | 2021-05-24 | 2021-08-17 | 安徽省瑞步智能装备有限公司 | Advancing crawler and advancing wheel switching and speed changing device of electric stair-climbing walking-aid vehicle |
-
2006
- 2006-12-22 CN CNU2006201618430U patent/CN201052225Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816602A (en) * | 2010-04-01 | 2010-09-01 | 长春旭升科技有限公司 | Multifunctional four-wheel driving type electric wheelchair |
| CN101816602B (en) * | 2010-04-01 | 2011-09-28 | 长春旭升科技有限公司 | Multifunctional four-wheel driving type electric wheelchair |
| CN104068977A (en) * | 2013-03-29 | 2014-10-01 | 陈紫薇 | Wheelchair with climbing function |
| CN103569181A (en) * | 2013-08-02 | 2014-02-12 | 李军委 | Planetary multi-wheel carrier stair climbing vehicle |
| CN103767840A (en) * | 2014-01-27 | 2014-05-07 | 河北工业大学 | Wheel-type stair-climbing wheelchair |
| CN104118272A (en) * | 2014-07-30 | 2014-10-29 | 蔡强胜 | Multi-sub-wheel combined belt wheel |
| CN108771586A (en) * | 2018-06-25 | 2018-11-09 | 武汉科技大学 | It is a kind of it is novel can speeling stairway wheelchair |
| CN109505927A (en) * | 2018-12-28 | 2019-03-22 | 内蒙古工业大学 | A kind of motor-driven carrier realizing Weight upstairs climbing ladder and carrying |
| CN109505927B (en) * | 2018-12-28 | 2023-08-04 | 内蒙古工业大学 | Electric trolley for carrying heavy objects upstairs |
| CN110215358A (en) * | 2019-07-10 | 2019-09-10 | 吉林大学 | A kind of electric wheelchair having self-determination climbing stairs function and its control method |
| CN113262112A (en) * | 2021-05-24 | 2021-08-17 | 安徽省瑞步智能装备有限公司 | Advancing crawler and advancing wheel switching and speed changing device of electric stair-climbing walking-aid vehicle |
| CN113262112B (en) * | 2021-05-24 | 2024-02-20 | 安徽省瑞步智能装备有限公司 | Walking crawler and walking wheel switching and speed changing device of electric stair climbing walker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |