CN201040065Y - Driving device for wheelchair - Google Patents
Driving device for wheelchair Download PDFInfo
- Publication number
- CN201040065Y CN201040065Y CNU2007201191001U CN200720119100U CN201040065Y CN 201040065 Y CN201040065 Y CN 201040065Y CN U2007201191001 U CNU2007201191001 U CN U2007201191001U CN 200720119100 U CN200720119100 U CN 200720119100U CN 201040065 Y CN201040065 Y CN 201040065Y
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- Prior art keywords
- groove
- worm gear
- worm
- screw
- cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a drive device on wheel chair, which comprises a middle cover, a bottom cover arranged at the bottom of the middle cover, an upper cover arranged at the upper part of the middle cover, and a screw penetrating on the bottom cover, the middle cover and the upper cover. A worm wheel mechanism is arranged between one end of the screw and the bottom cover, which comprises a motor, a worm connected with the motor and a worm wheel mutually meshed with the worm. The worm wheel mechanism is arranged between one end of the screw and the bottom cover so as to make the drive device to adopt worm wheel and worm first stair deceleration and adopt worm wheel and worm low speed to extrude the power shaft of the wheel rotation so as to cause the drive wheel of the wheel chair have low rotating speed and bid torsion, so that an inclined slope on which the wheel chair with16 to 24 inches big wheels can run is reached. As the drive device adopts a worm wheel and worm first stair deceleration manner, when the drive device is mutually compared with the prior wheel chair drive device with multi-stair deceleration manner, the utility model has the beneficial technical effects of little mechanical energy consumption and low production cost.
Description
[technical field]
This utility model relates to a kind of wheelchair, specifically is the driving device that is applied on the wheelchair of wheelchair armrest position.
[background technology]
Popular various wheelchairs in present society, its wheelchair can be divided into manual wheelchair and electric wheelchair.The walking of manual wheelchair mainly is to rotate the hand push circle of wheelchair or promote wheelchair by the entourage with hands by user to realize, though this manual wheelchair uses or be easy for installation, cause its user or entourage when using wheelchair, quite to require great effort easily.A kind of electric wheelchair appears subsequently, though this electric wheelchair can reach the labour-saving purpose, driver rotating speed on this electric wheelchair is fast, torsion is little because of being arranged at, and makes it can not climb the above slope of 10 degree, and its production cost costliness causes the certain economic burden to ordinary consumer easily.
Utility model content]
This utility model provide for the technical problem that solves above-mentioned prior art and exist not only can use or easy for installation, cost is low, but also can exercise the driving device on the wheelchair on the above slope of 10 degree.
For achieving the above object, this utility model provides driving device on a kind of wheelchair, it comprises middle cover, be installed on the middle cover bottom bottom, be installed in the upper part of the cover loam cake, through the screw rod of bottom, middle cover and loam cake, between screw rod one end and bottom, be provided with Worm gear mechanism, described Worm gear mechanism comprise motor, the worm screw that is connected with motor and with worm screw meshing worm gear mutually.
According to above-mentioned major technique feature, be respectively arranged with the bearing that is used for fixing at the two ends of described worm screw, the worm screw that is provided with bearing one end is provided with the connectivity port of going into that is used for the power output shaft that is connected with motor, is provided with a plurality of screw threads in the middle-end of this worm screw.
According to above-mentioned major technique feature, described worm gear is processed by plastic material.
According to above-mentioned major technique feature, described bottom is plate body, be provided with at the middle part of plate body and be used to accommodate half the first worm gear accepting groove of worm gear, the first worm gear accepting groove is by the clutch shaft bearing accepting groove that is positioned at the bottom bottom, second worm gear groove on bottom top and place the clutch shaft bearing accepting groove and second worm gear groove between dovetail groove constitute, be provided with in a side of this plate body and be used for and the fixed a plurality of fixing holes of middle cover, opposite side at this plate body is provided with semicircular first semi-circular groove that is used to accommodate worm screw, be respectively arranged with at the two ends of this first semi-circular groove and be used for fixing the following holddown groove that supports the worm screw two ends, be provided with the first semicircle platform groove that is used to assemble motor at an end of this time holddown groove.
According to above-mentioned major technique feature, described middle cover is plate body, be provided with second half the second worm gear accepting groove that is used to accommodate worm gear at the middle part of plate body, the second worm gear accepting groove be by the middle upper part of the cover second bearing accepting groove, first worm gear groove of middle upper part of the cover and place the second bearing accepting groove and first worm gear groove between trapezoid space constitute, be provided with first transitional pore that plugs screw rod in the central authorities of this second worm gear accepting groove; Two ends at a side lower part of this second worm gear accepting groove are respectively arranged with the first semicircle axis hole, the both upper ends thereof of this first semicircle axis hole is respectively arranged with the first polygon groove that is used to connect wheelchair frame, wheelchair frame pipe, is provided with in the middle of it to be used for the second polygon groove that bolting connects vehicle frame; Opposite side at this second worm gear accepting groove is provided with semicircular second rectangular channel that is used to accommodate worm screw, the two ends of this second rectangular channel be respectively arranged be used for fixing support the worm screw two ends on holddown groove, an end of holddown groove is provided with the second semicircle platform groove that is used to assemble motor on this.
According to above-mentioned major technique feature, described loam cake has the housing of bending, the centre of housing one side be provided with one with the middle cover equity, act on identical cabinet connected in star, in the middle of this cabinet connected in star, have one be used to plug power output shaft second transitional pore, be provided with second transitional pore around offer a plurality of perforation that loam cake and middle cover are connected and fixed that are used for, be respectively equipped with at the sidewall two ends on the top that is provided with second transitional pore and be used for the second semicircle axis hole that cooperatively interacts with the first semicircle axis hole.
Useful technique effect of the present utility model: because of between screw rod one end and bottom, being provided with Worm gear mechanism, make driving device adopt the line shaft method that worm gear scroll bar one-level is slowed down and employing worm gear scroll bar low speed extruding wheel rotates, cause wheelchair to drive that the rotating speed of wheel is slow, moment of torsion is big, thereby reach can travel slope more than 10 degree of 16 to 24 inches big wheel wheelchairs.Because of this driving device can Fast Installation on manual or electric wheelchair, it is easy for installation to make it have.Mode because of adopting worm and gear one-level to slow down at this driving device makes its wheelchair drive mechanism with existing multi-stage speed-reducing mode compare mutually again, and this driving device has mechanical energy consumption less and the beneficial technical effects of low cost of manufacture.
For the purpose of this utility model, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 is the schematic cross-section of driving device in this utility model;
Fig. 2 is a bottom axonometric chart in this utility model;
Fig. 3 is the schematic rear view of bottom among Fig. 2;
Fig. 4 is a middle cover axonometric chart in this utility model;
Fig. 5 is the schematic rear view of the middle cover among Fig. 4;
Fig. 6 is the sketch map of A-A among Fig. 5;
Fig. 7 is a loam cake axonometric chart in this utility model;
Fig. 8 is the schematic rear view of the loam cake among Fig. 7.
[specific embodiment]
See also Fig. 1 to shown in Figure 8, illustrate that below in conjunction with embodiment this utility model provides driving device on a kind of wheelchair, it comprises middle cover 1, be installed on the bottom 2 of middle cover 1 bottom, be installed on the loam cake 3 on middle cover 1 top, through the screw rod 4 of bottom 2, middle cover 1 and loam cake 3, between screw rod 4 one ends and bottom 2, be provided with Worm gear mechanism, described Worm gear mechanism comprise motor (not drawing among the figure), the worm screw 5 that is connected with motor and with worm screw 5 mutual meshing worm gears 6.
Be respectively arranged with the bearing 8 that is used for fixing at the two ends of described worm screw 5, the worm screw 4 that is provided with bearing 8 one ends be provided be used for the power output shaft that is connected with motor go into connectivity port (figure does not draw), be provided with a plurality of screw threads in the middle-end of this worm screw 1.Described worm gear 6 is processed by plastic material.
Described bottom 2 is plate body, be provided with at the middle part of plate body and be used to accommodate half the first worm gear accepting groove of worm gear 6, the first worm gear accepting groove is by the clutch shaft bearing accepting groove 22 that is positioned at bottom 2 bottoms, second worm gear groove 23 on bottom 2 tops and place clutch shaft bearing accepting groove 22 and second worm gear groove 23 between dovetail groove 24 constitute, be provided with in a side of this plate body and be used for and middle cover 1 fixed a plurality of fixing holes 25, opposite side at this plate body is provided with semicircular first rectangular channel 26 that is used to accommodate worm screw 5, be respectively arranged with at the two ends of this first rectangular channel 26 and be used for fixing the following holddown groove 27 that supports worm screw 5 two ends, be provided with the first semicircle platform groove 28 that is used to assemble motor at an end of this time holddown groove 27.
Described middle cover 1 is plate body, be provided with second half the second worm gear accepting groove that is used to accommodate worm gear 6 at the middle part of plate body, the second worm gear accepting groove be by the second bearing accepting groove 11 on middle cover 1 top, first worm gear groove 12 on middle cover 1 top and place the second bearing accepting groove 11 and first worm gear groove 12 between trapezoid space constitute, be provided with first transitional pore that plugs screw rod 4 in the central authorities of this second worm gear accepting groove; Two ends at a side lower part of this second worm gear accepting groove are respectively arranged with the first semicircle axis hole 14, the both upper ends thereof of this first semicircle axis hole 14 is respectively arranged with the first polygon groove 19 that is used to connect wheelchair frame, wheelchair frame pipe, is provided with in the middle of it to be used for the second polygon groove 20 that bolting connects vehicle frame; Opposite side at this second worm gear accepting groove is provided with semicircular second rectangular channel 16 that is used to accommodate worm screw, the two ends of this second rectangular channel 16 be respectively arranged be used for fixing support worm screw 5 two ends on holddown groove 17, an end of holddown groove 17 is provided with the second semicircle platform groove 18 that is used to assemble motor on this.
Described loam cake 3 has the housing of bending, the centre of housing one side be provided with one with the middle cover equity, act on identical cabinet connected in star 34, in the middle of this cabinet connected in star 34, have one be used to plug power output shaft second transitional pore 31, be provided with second transitional pore 31 around offer a plurality of perforation 31 that loam cake 3 and middle cover 1 are connected and fixed that are used for, be respectively equipped with at the sidewall two ends on the top that is provided with second transitional pore 31 and be used for the second semicircle axis hole 33 that cooperatively interacts with the first semicircle axis hole 14.
In described bottom 2, described worm screw 5 is positioned in the bottom, the bearing 8 that is arranged at worm screw 5 two ends is placed in down respectively in the holddown groove 27, the main body at the middle part of worm screw 5 is placed in first rectangular channel 26, described worm gear 6 is placed in the first worm gear accepting groove 22 that is positioned at first rectangular channel, 26 1 sides, tooth and the screw thread on the worm screw 5 on the described worm gear 6 are meshing mutually, the rigid bearing that is arranged at the bottom of worm gear 6 places clutch shaft bearing accepting groove 22 inside, be mainly used in the rotation of supporting described worm gear 6, be connected with a screw rod 4 on the top of this worm gear 6, the lower part of the body of worm gear 6 is placed in second worm gear groove 23.
Described middle cover 1 is installed on the top of bottom 2, and the second worm gear accepting groove on the described middle cover 1 is contained in the upper part of the body of worm gear 6, and the second worm gear accepting groove and the first worm gear accepting groove cooperatively interact, and described worm gear 6 is accommodated its inside.Second rectangular channel 16 that is arranged on the middle cover 1 cooperatively interacts with first rectangular channel 26 that is arranged on the bottom 2; Its worm screw 5 is accommodated its inside; The last holddown groove 17 that is arranged at middle cover 1 cooperatively interacts with the following holddown groove 27 that is arranged on the bottom 2, and will be arranged at bearing 8 inside at worm screw 5 two ends; In addition, make that the first semicircle platform groove 28 and the second semicircle platform groove 18 on the bottom 2 constitutes a round platform groove, so that external motor.Described screw rod 4 passes first transitional pore 13 on the middle cover 1 respectively, and second transitional pore 31 of loam cake 3 is on the left and right sides of screw rod 4 installing wheelchairs.
Described loam cake 3 is installed on the top of middle cover 1, makes that the second semicircle axis hole 33 on its loam cake 3 cooperatively interacts into a circular hole with the first semicircle axis hole 14 on the middle cover 1.
Pass above-mentioned fixing hole 15, perforation 32 by screw or bolt again, above-mentioned bottom 2, middle cover 1 and loam cake 3 are fixed together.
When the motor rotation, the interconnective worm screw 5 of driven by motor and motor is rotated, and worm screw 5 drives worm gear 6 rotations meshing mutually with worm screw 5, and worm gear 6 drive screws 4 rotate, and screw rod 4 drives the wheel rotation on the wheelchair, rotates thereby reach whole wheelchair.
In sum, because of between screw rod 4 one ends and bottom 2, being provided with Worm gear mechanism, make driving device adopt the line shaft method that worm gear scroll bar one-level is slowed down and employing worm gear scroll bar low speed extruding wheel rotates, cause wheelchair to drive that the rotating speed of wheel is slow, moment of torsion is big, thereby reach can travel slope more than 10 degree of 16 to 24 inches big wheel wheelchairs.Because of this driving device can Fast Installation on manual or electric wheelchair, it is easy for installation to make it have.Mode because of adopting worm and gear one-level to slow down at this driving device makes its wheelchair drive mechanism with existing multi-stage speed-reducing mode compare mutually again, and this driving device has mechanical energy consumption less and the beneficial technical effects of low cost of manufacture.
Claims (6)
1. driving device on the wheelchair, it comprises middle cover, be installed on the middle cover bottom bottom, be installed in the upper part of the cover loam cake, through the screw rod of bottom, middle cover and loam cake, it is characterized in that: between screw rod one end and bottom, be provided with Worm gear mechanism, described Worm gear mechanism comprise motor, the worm screw that is connected with motor and with worm screw meshing worm gear mutually.
2. driving device on the wheelchair according to claim 1, it is characterized in that: be respectively arranged with the bearing that is used for fixing at the two ends of described worm screw, the worm screw that is provided with bearing one end is provided with the connectivity port of going into that is used for the power output shaft that is connected with motor, is provided with a plurality of screw threads in the middle-end of this worm screw.
3. driving device on the wheelchair according to claim 1 is characterized in that: described worm gear is processed by plastic material.
4. driving device on the wheelchair according to claim 1, it is characterized in that: described bottom is plate body, be provided with at the middle part of plate body and be used to accommodate half the first worm gear accepting groove of worm gear, the first worm gear accepting groove is by the clutch shaft bearing accepting groove that is positioned at the bottom bottom, second worm gear groove on bottom top and place the clutch shaft bearing accepting groove and second worm gear groove between dovetail groove constitute, be provided with in a side of this plate body and be used for and the fixed a plurality of fixing holes of middle cover, opposite side at this plate body is provided with semicircular first semi-circular groove that is used to accommodate worm screw, be respectively arranged with at the two ends of this first semi-circular groove and be used for fixing the following holddown groove that supports the worm screw two ends, be provided with the first semicircle platform groove that is used to assemble motor at an end of this time holddown groove.
5. driving device on the wheelchair according to claim 1, it is characterized in that: described middle cover is plate body, be provided with second half the second worm gear accepting groove that is used to accommodate worm gear at the middle part of plate body, the second worm gear accepting groove be by the middle upper part of the cover second bearing accepting groove, first worm gear groove of middle upper part of the cover and place the second bearing accepting groove and first worm gear groove between trapezoid space constitute, be provided with first transitional pore that plugs screw rod in the central authorities of this second worm gear accepting groove; Two ends at a side lower part of this second worm gear accepting groove are respectively arranged with the first semicircle axis hole, the both upper ends thereof of this first semicircle axis hole is respectively arranged with the first polygon groove that is used to connect wheelchair frame, wheelchair frame pipe, is provided with in the middle of it to be used for the second polygon groove that bolting connects vehicle frame; Opposite side at this second worm gear accepting groove is provided with semicircular second rectangular channel that is used to accommodate worm screw, the two ends of this second rectangular channel be respectively arranged be used for fixing support the worm screw two ends on holddown groove, an end of holddown groove is provided with the second semicircle platform groove that is used to assemble motor on this.
6. driving device on the wheelchair according to claim 1, it is characterized in that: described loam cake has the housing of bending, the centre of housing one side be provided with one with the middle cover equity, act on identical cabinet connected in star, in the middle of this cabinet connected in star, have one be used to plug power output shaft second transitional pore, be provided with second transitional pore around offer a plurality of perforation that loam cake and middle cover are connected and fixed that are used for, be respectively equipped with at the sidewall two ends on the top that is provided with second transitional pore and be used for the second semicircle axis hole that cooperatively interacts with the first semicircle axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201191001U CN201040065Y (en) | 2007-03-23 | 2007-03-23 | Driving device for wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201191001U CN201040065Y (en) | 2007-03-23 | 2007-03-23 | Driving device for wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201040065Y true CN201040065Y (en) | 2008-03-26 |
Family
ID=39251768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201191001U Expired - Fee Related CN201040065Y (en) | 2007-03-23 | 2007-03-23 | Driving device for wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201040065Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103222916A (en) * | 2013-05-03 | 2013-07-31 | 西北工业大学 | Intelligent disabled scooter |
| CN107582259A (en) * | 2017-07-27 | 2018-01-16 | 浙江佑仁智能机器人有限公司 | Can be gone to toilet automatic wheelchair |
| WO2019062004A1 (en) * | 2017-09-30 | 2019-04-04 | 常熟市平方轮椅有限公司 | Adjustable and controllable worm transmission mechanism for wheelchair |
-
2007
- 2007-03-23 CN CNU2007201191001U patent/CN201040065Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103222916A (en) * | 2013-05-03 | 2013-07-31 | 西北工业大学 | Intelligent disabled scooter |
| CN107582259A (en) * | 2017-07-27 | 2018-01-16 | 浙江佑仁智能机器人有限公司 | Can be gone to toilet automatic wheelchair |
| WO2019062004A1 (en) * | 2017-09-30 | 2019-04-04 | 常熟市平方轮椅有限公司 | Adjustable and controllable worm transmission mechanism for wheelchair |
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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: 20080326 Termination date: 20120323 |