CN201870837U - Self-help wheelchair capable of stably riding on staircase - Google Patents
Self-help wheelchair capable of stably riding on staircase Download PDFInfo
- Publication number
- CN201870837U CN201870837U CN2010206364884U CN201020636488U CN201870837U CN 201870837 U CN201870837 U CN 201870837U CN 2010206364884 U CN2010206364884 U CN 2010206364884U CN 201020636488 U CN201020636488 U CN 201020636488U CN 201870837 U CN201870837 U CN 201870837U
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- China
- Prior art keywords
- wheel
- wheelchair frame
- fluted disc
- driven
- rotating shaft
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- Expired - Fee Related
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Abstract
The utility model discloses a self-help wheelchair capable of stably riding on a staircase. Step wheels are arranged at the lower ends of telescopic arms of a hydraulic telescopic cylinder, the upper end of a support plate is hinged on a wheelchair frame by a shaping hinged shaft, the wheelchair frame is positioned under the telescopic arms, a driving gear is arranged at the lower end of the telescopic arm by a rotating shaft, a driven gear fixedly connected on the shaping hinged shaft is in meshing transmission with the driving gear, the tail end and the top end of a blade shape platy wheel are wider than the middle part, two long side edges of the blade shape platy wheel are arc-shaped curves, a rotating disc is arranged on the support plate by the rotating shaft, the root end of the blade shape platy wheel is hinged on each rotating disc respectively by movable type hinged shaft and the rotating shaft at equal intervals, and a driven meshing fluted disc fixedly connected on the movable type hinged shaft is in meshing transmission with a drive meshing fluted disc fixedly arranged on the rotating shaft; and the gears and the meshing fluted discs are driven by a motor arranged on the wheelchair frame to rotate and is controlled by matching of a locking device to lock the positively and negatively rotating angles. The self-help wheelchair can stably ride on the staircase and is higher in safety and reliability.
Description
Technical field
This utility model relates to the improvement of wheelchair bassinet structure, but self-service the take turns Wheel-chair of smooth-ride on stair particularly.
Background technology
Number of patent application 200910041584 discloses a kind of stair-climbing wheel chair, comprise seat part, drive part, control section and star-wheel part, drive part is connected with the chair seat frame of seat part, described seat portion is divided into Collapsible seat, comprises chair seat frame, collapsible armrest of seat, collapsible pedal support, collapsible emergency support and detachable chair back rack; Described control section comprises battery main switch, emergency support gauge tap, electromagnet controller, motor switch and goes up switch downstairs, electromagnet controller control emergency support; On the described directional wheel brake gear is set, its complex structure, and have the problem that body is steady inadequately and jolt of going upstairs, when on stair, travelling, appear at easily when on stair, upwards travelling and to occur causing moving the phenomenon of turning over after the center of gravity, have certain potential safety hazard to layback because of inclination.
Summary of the invention
The utility model content
But the purpose of this utility model is to provide self-service the take turns Wheel-chair of a kind of smooth-ride on stair, it is rational in infrastructure, can effectively avoid at body upstairs inadequately steadily and the problem of jolting, also not exist in and occur when travelling on the stair because of inclination causes the phenomenon of moving after the center of gravity, security reliability is higher.
But the purpose of this utility model is achieved in that self-service the take turns Wheel-chair of a kind of smooth-ride on stair, comprise the power supply on the wheelchair frame, motor, actuating device, brake gear and the support wheel and the deflecting roller that are installed on the wheelchair frame below, the lower end of its telescopic arm of installing on the wheelchair frame of hydraulically extensible cylinder that is driven by hydraulic power supply is installed with can support the stepped wheel of wheelchair frame on ladder, each stepped wheel is by the break-in runner of three each autorotations that are independent of each other, gripper shoe and gear constitute, the gripper shoe upper end is hinged on the wheelchair frame that is positioned at the telescopic arm below by total jointed shaft, the telescopic arm lower end of hydraulically extensible cylinder is installed with driving gear by deciding rotating shaft, also be installed with and the coaxial affixed driven gear of gripper shoe on total jointed shaft, the driving gear transmission that is meshed with driven gear, each break-in runner is by tabular wheel of pintongs strip blade shaped, three rotating disks constitute with the engagement fluted disc, tabular relative its middle part width with the top of butt of taking turns of blade shaped is narrower, long limit, both sides is the camber line sigmoid curves, three rotating disks that rotate that are independent of each other together are installed on the same gripper shoe by moving rotating shaft respectively, the tabular butt of taking turns of every pintongs blade shaped equidistantly is hinged on each rotating disk by minute jointed shaft and above-mentioned moving rotating shaft respectively, be installed with on each divides jointed shaft with blade shaped is tabular and take turns coaxial affixed driven engagement fluted disc, the fluted disc that initiatively mesh that installs in the moving rotating shaft is meshed with the driven engagement fluted disc of setting around it; Above-mentioned driving gear is with driven gear, initiatively mesh fluted disc and driven engagement fluted disc by being installed in the Motor Drive rotation on the wheelchair frame and cooperating control to lock the angle of its forward and backward by buckling and locking device.
When this utility model travels on the level land, then pack up stepped wheel, when going upstairs or going downstairs (work), mode below stepped wheel by one rotation of typing jointed shaft, through evidence, break-in runner of the present utility model can smooth-ride on (steeper) stair, can not occur jolting, shake or wiggly phenomenon, the tabular wheel of pintongs blade shaped in the break-in runner is core component of the present utility model, every lobe blade shaped is tabular takes turns one-sided camber line edge and can both in time steadily contact with each step surface of stair, alternately upstream or downstream contact, during the up stair of this utility model, by the engagement fluted disc tabular the wheel around its ejector half jointed shaft certain angle of upwards steeving of every lobe blade shaped formalized again, and the hydraulically extensible cylinder by the rear portion continues the below certain-length downwards with the stepped wheel at rear portion, make it on corresponding stair, keep level, light with heavy back before avoiding, the problem of centre-of gravity shift, the warming up of the warming up of the descending stair of this utility model during with above-mentioned up stair is opposite, does not repeat them here.Based on above-mentioned brief analysis, this utility model is rational in infrastructure, can effectively avoid at body upstairs inadequately steadily and the problem of jolting, and does not also exist in to occur when travelling on the stair because of inclination causes the phenomenon of moving after the center of gravity, and security reliability is higher.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 transfers the structural representation of stepped wheel for this utility model;
Structural representation when Fig. 2 packs up stepped wheel for this utility model;
Fig. 3 is the structure for amplifying sketch map that this utility model (when going upstairs) stepped wheel turns to clockwise;
Fig. 4 is the structure for amplifying sketch map that this utility model (when going downstairs) stepped wheel turns to counterclockwise.
The specific embodiment
But self-service the take turns Wheel-chair of a kind of smooth-ride on stair, as shown in Figures 1 to 4, comprise the power supply on the wheelchair frame, motor, actuating device, brake gear and the support wheel 15 and the deflecting roller 14 that are installed on wheelchair frame 1 below, the lower end of hydraulically extensible cylinder 10 its telescopic arms of installing on the wheelchair frame 1 11 that driven by hydraulic power supply is installed with can support the stepped wheel of wheelchair frame 1 on ladder, each stepped wheel is by the break-in runner of three each autorotations that are independent of each other, gripper shoe 4 and gear constitute, gripper shoe 4 upper ends are hinged on the wheelchair frame 1 that is positioned at telescopic arm 11 belows by total jointed shaft 13, telescopic arm 11 lower ends of hydraulically extensible cylinder 10 are installed with driving gear 2 by deciding rotating shaft 12, also be installed with and gripper shoe 4 coaxial affixed driven gears 3 on total jointed shaft 13, driving gear 2 transmission that is meshed with driven gear 3, each break-in runner takes turns 5 by pintongs strip blade shaped is tabular, three rotating disks 8 constitute with the engagement fluted disc, tabular relative its middle part width with the top of 5 butts of taking turns of blade shaped is narrower, long limit, both sides is the camber line sigmoid curves, three rotating disks 8 that rotate that are independent of each other together are installed on the same gripper shoe 4 by moving rotating shaft 7 respectively, every pintongs blade shaped is tabular takes turns 5 butt and equidistantly is hinged on each rotating disk 8 by minute jointed shaft 9 and above-mentioned moving rotating shaft 7 respectively, be installed with and the tabular 5 coaxial affixed driven engagement fluted discs 6 of taking turns of blade shaped on each divides jointed shaft 9, the fluted disc 16 that initiatively mesh that installs in the moving rotating shaft 7 is meshed with the driven engagement fluted disc 6 of setting around it; Above-mentioned driving gear 2 is with driven gear 4, initiatively mesh fluted disc 16 and driven engagement fluted disc 6 by being installed in the Motor Drive rotation on the wheelchair frame 1 and cooperating control to lock the angle of its forward and backward by buckling and locking device.Described buckling and locking device is an existing apparatus, as long as can play the effect of the corner of kayser Positioning Gear or fluted disc.
Hydraulically extensible cylinder 10 is controlled its collapsing length by the horizon sensor that is installed on the wheelchair frame 1, adopts Based Intelligent Control, when upper and lower stair, and the state that is up to the standard automatically, promptly forward and backward height is identical, removes the inconvenience of manual control from.
Claims (2)
1. but self-service the take turns Wheel-chair of a smooth-ride on stair, comprise the power supply on the wheelchair frame, motor, actuating device, brake gear and the support wheel (15) and the deflecting roller (14) that are installed on wheelchair frame (1) below, it is characterized in that: the lower end of its telescopic arm of hydraulically extensible cylinder (10) (11) that is driven by hydraulic power supply that wheelchair frame (1) go up to be installed is installed with can support the stepped wheel of wheelchair frame (1) on ladder, each stepped wheel is by the break-in runner of three each autorotations that are independent of each other, gripper shoe (4) and gear constitute, gripper shoe (4) upper end is hinged on the wheelchair frame (1) that is positioned at telescopic arm (11) below by total jointed shaft (13), telescopic arm (11) lower end of hydraulically extensible cylinder (10) is installed with driving gear (2) by deciding rotating shaft (12), also be installed with and the coaxial affixed driven gear of gripper shoe (4) (3) on total jointed shaft (13), driving gear (2) transmission that is meshed with driven gear (3), each break-in runner is by tabular wheel of pintongs strip blade shaped (5), three rotating disks (8) and engagement fluted disc constitute, blade shaped is tabular take turns (5) butt relative with the top its middle part width narrower, long limit, both sides is the camber line sigmoid curves, three rotating disks (8) that rotate that are independent of each other together are installed on the same gripper shoe (4) by moving rotating shaft (7) respectively, the butt of tabular wheel of every pintongs blade shaped (5) is respectively by dividing jointed shaft (9) and above-mentioned moving rotating shaft (7) equidistantly to be hinged on each rotating disk (8), divide to be installed with on jointed shaft (9) at each and take turns (5) coaxial affixed driven engagement fluted disc (6) with blade shaped is tabular, the fluted disc (16) that initiatively mesh that installs in the moving rotating shaft (7) is meshed with the driven engagement fluted disc (6) of setting around it; Above-mentioned driving gear (2) is with driven gear (4), initiatively mesh fluted disc (16) and driven engagement fluted disc (6) by being installed in the Motor Drive rotation on the wheelchair frame (1) and cooperating control to lock the angle of its forward and backward by buckling and locking device.
2. but self-service the take turns Wheel-chair of smooth-ride according to claim 1 on stair, it is characterized in that: hydraulically extensible cylinder (10) is controlled its collapsing length by the horizon sensor that is installed on the wheelchair frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206364884U CN201870837U (en) | 2010-12-01 | 2010-12-01 | Self-help wheelchair capable of stably riding on staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206364884U CN201870837U (en) | 2010-12-01 | 2010-12-01 | Self-help wheelchair capable of stably riding on staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201870837U true CN201870837U (en) | 2011-06-22 |
Family
ID=44158772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206364884U Expired - Fee Related CN201870837U (en) | 2010-12-01 | 2010-12-01 | Self-help wheelchair capable of stably riding on staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201870837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000697A (en) * | 2014-05-08 | 2014-08-27 | 河南科技大学 | Self-balancing wheelchair structure |
| CN104412191A (en) * | 2012-06-29 | 2015-03-11 | 株式会社安川电机 | Moving body and moving body system |
| CN113397849A (en) * | 2021-07-21 | 2021-09-17 | 崔守明 | Medical surgery is with climbing wheelchair equipment of being good for again |
-
2010
- 2010-12-01 CN CN2010206364884U patent/CN201870837U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104412191A (en) * | 2012-06-29 | 2015-03-11 | 株式会社安川电机 | Moving body and moving body system |
| CN104000697A (en) * | 2014-05-08 | 2014-08-27 | 河南科技大学 | Self-balancing wheelchair structure |
| CN113397849A (en) * | 2021-07-21 | 2021-09-17 | 崔守明 | Medical surgery is with climbing wheelchair equipment of being good for again |
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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: 20110622 Termination date: 20111201 |