CN101315124B - Electric wheelchair transmission device - Google Patents
Electric wheelchair transmission device Download PDFInfo
- Publication number
- CN101315124B CN101315124B CN200710108148A CN200710108148A CN101315124B CN 101315124 B CN101315124 B CN 101315124B CN 200710108148 A CN200710108148 A CN 200710108148A CN 200710108148 A CN200710108148 A CN 200710108148A CN 101315124 B CN101315124 B CN 101315124B
- Authority
- CN
- China
- Prior art keywords
- gear
- electric wheelchair
- transmission device
- driving lever
- lid
- Prior art date
- 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
Links
Images
Landscapes
- Gear Transmission (AREA)
Abstract
The invention relates to a control rod structure of a transmission gear of an electric wheelchair. The transmission gear at least comprises a gear case, a cover, a fixed frame, and a control rod. A worm screw and a worm wheel are arranged inside the gear case, the worm screw is connected with a motor and capable of driving the worm wheel to rotate, the worm wheel is coaxially arranged with a driving gear, and the driving gear can drive a driven gear arranged on a rear wheel shaft to rotate, so as to drive rear wheels. The fixed frame is arranged on the cover for fixing the control rod, and a plate with a punched hole is extended from the fixed frame and arranged above the fixed frame. The control rod has an upper shift lever and a lower shift lever, the upper shift lever can pass through the punched hole on the plate to be connected with the lower shift lever inside the gear case, wherein a universal joint is arranged between the upper and the lower shift levers, the plate on the fixed frame is used for controlling the inclined angle of the universal joint, and when the upper shift lever is shifted to drive the lower shift lever to push the driven gear, the upper shift lever can pass through a wheelchair frame without interference by the wheelchair frame, so that the gear shifting action is easy to operate.
Description
[technical field]
The invention relates to a kind of electric wheelchair transmission device, particularly about the structure of controlling rod on the transmission device that is convenient to operation.
[background technique]
Current society makes the transition gradually becomes the society of aging, from the angle of daily life, and the problem of generally relevant " people "; Take off too busy to get away food, clothing mostly, live, go, educate, find pleasure in etc.; At TaiWan, China, repacking locomotive, electric wheelchair even electric bicycle etc. that we are common in streets and lanes all are the products of deriving for the problem of row; And the trend of the global population aging of foundation, the development of electric walk instead instrument must be with propagating its belief on a large scale.
General electric wheelchair is by a transmission device is set between motor and wheelchair; Utilization makes the motor energising axle center rotation of motor; The power of axle center of motor rotation can import in the transmission device, switches by the speed change of transmission device, and is able to become power by the transmission device output transform.
The transmission device 1 of convention electric wheelchair sees also Fig. 1, shown in 2, this transmission device 1 is to be made up of a gear-box 11, a lid 12 and 13 of controlling rods.
Gear-box 11 is to be a casing, is provided with a worm screw 111 in this gear-box 11; This worm screw 111 is that the axle center with motor M connects and establishes; This worm screw 111 can drive a worm gear 112 rotations, and this worm gear 112 and a driving gear 113 are located on the same axle, and this driving gear 113 can drive a driven gear 114 rotations; This driven gear 114 is to connect with 22 one-tenth cunnings of rear-wheel spindle of electric wheelchair 2 trailing wheels 21 to establish, and this rear-wheel spindle 22 is arranged with an elastic element 115 between driven gear 114 and gear-box 11; In addition, lid 12 is provided with a base 121, and this base 121 can supply controlling rod 13 to be provided with; This controlling rod 13 be by driving lever on one 131 and once 132 of driving levers constitute; Should go up driving lever 131 and have a cover portion 1311, this time driving lever 132 is sides that are positioned at gear-box 11 driven gears 114, and can be worn base 121 by the bottom of lid 12; Cover portion 1311 backs that are sleeved on driving lever 131 again plug together connection with latch 133, and lid 12 then is the top that is locked on gear-box 11 with several bolting elements S.
Inferiorly see also Fig. 3, shown in 4; The electric wheelchair 2 of convention is to drive worm screw 111 rotations by motor M; And by the coaxial driving gear 113 of worm screw 111 drives; Drive driven gear 114 rotations by driving gear 113 again, and then drive trailing wheel 21 rotations on the rear-wheel spindle 22, reach electronic purpose of advancing to make electric wheelchair 2 by driven gear 114.When converting electric wheelchair 2 with manpower to, desire carries out; And separate when rotating divided by transmission device 1 transmission trailing wheel 21; The last driving lever 131 of transmission device 1 controlling rod 13 that only need pull, and by last driving lever 131 drives driving lever 132 rotations down, at this moment; Following driving lever 132 is passed the elastic element on the rear-wheel spindle 22 115; And make driven gear 114 no longer be meshed with driving gear 113, and then make the power of motor M can't be passed to driven gear 114 and rear-wheel spindle 22, and can being changed into the mode of people's force urges, electric wheelchair 2 advances.
The electric wheelchair 2 of convention maybe need lean on power can control the electronic shelves of startup by the structure of above-mentioned transmission device 1 though can reach the neutral gear that promotes electric wheelchair 2, yet; Because it is crooked that the last driving lever 131 of convention controlling rod 13 is into 90 degree; And when desiring to stir driven gear 114, need to go up driving lever 131 to pull to revolve and turn 90 degrees, when having enclosing cover, electric wheelchair 2 covers transmission device 1; Or vehicle frame suspension configurations and traditional push chairs are not simultaneously; And the last driving lever 131 of transmission device 1 controlling rod 13 by other mechanisms as: as shown in Figure 2 when interference such as enclosing cover 23, vehicle frame 24... stop, then can make the user be very difficult to control the action that bar 13 carries out gear shift.
Because convention electric wheelchair 2 is when gear shift, have above-mentioned disappearance, be with, how to develop the controlling rod structure that a kind of user that can make things convenient for electric wheelchair carries out the gear shift action easily, the real problem that is needed to be resolved hurrily for present electric wheelchair manufacturer.
[summary of the invention]
The objective of the invention is to be to provide a kind of electric wheelchair transmission device, the controlling rod that can overcome the convention electric wheelchair is easy to generate by the enclosing cover of electric wheelchair, vehicle frame ... wait to interfere to stop, and make the user be difficult to control bar to carry out the disappearance of gear shift action.
The present invention provides a kind of electric wheelchair transmission device in order to achieve the above object, and this transmission device includes:
One gear-box,
One lid,
One fixing frame, top have extended a plate body, and plate body is provided with a perforation; And
One controlling rod has on one driving lever and driving lever once, is to connect with a universal joint between driving lever and time driving lever this on;
Through fixing frame is located at the lid top with the bolting element spiral shell; And will go up driving lever and pass perforation; And driving lever up wore lid down, and the angle of controlling universal joint with the angle of inclination of plate body changes, and can avoid the enclosing cover of electric wheelchair, the interference of vehicle frame so that go up driving lever.
Described electric wheelchair transmission device is characterized in that: the perforation of this fixing frame is to be arranged with a rubber washer.
Described electric wheelchair transmission device is characterized in that: this fixing frame is to be provided with a fine adjustment screw.
Described electric wheelchair transmission device; It is characterized in that: the axle center that this gear-box is provided with a worm screw and motor connects establishes; This worm screw can drive with driving gear and be located at coaxial worm gear; This driving gear can drive the driven gear rotation that is arranged on the rear-wheel spindle, and is with an elastic element on this rear-wheel spindle.
Described electric wheelchair transmission device is characterized in that: this lid is provided with several screws and a base, and this screw can supply bolting element to wear lid is locked in the gear-box top.
Described electric wheelchair transmission device is characterized in that: this plate body is to can be the skewed swash plate of a tool.
Described electric wheelchair transmission device is characterized in that: this perforation is to can be a circular port.
Described electric wheelchair transmission device is characterized in that: this lid is to have a base.
Hold the above; A kind of electric wheelchair transmission device provided by the invention; This transmission device has a gear-box, a lid, a fixing frame and a controlling rod at least, is provided with worm screw and worm gear in this gear-box, and this worm screw is to connect with motor to establish and can drive the worm gear rotation; This worm gear is to be located on the same axle with a driving gear, and this driving gear can drive the driven gear of being located on the rear-wheel spindle and rotate to drive trailing wheel; This lid is provided with a fixing frame, and this fixing frame top has extended a plate body, and this plate body is provided with a perforation, and fixing frame can supply controlling rod to set firmly; This controlling rod has driving lever and following driving lever on one; Should go up driving lever and can pass the perforation of plate body and the following driving lever binding in the gear-box, wherein, be provided with a universal joint between this upper and lower driving lever; Angle by the plate body may command universal joint on this fixing frame changes; When stirring driving lever and drive down the moving driven gear of driving lever, can make driving lever pass vehicle frame and do not receive the interference of enclosing cover and vehicle frame, to reach the effect that easy operation gear shift is moved.
Electric wheelchair transmission device provided by the invention; Wherein, The side spiral shell of this fixing frame is provided with a fine adjustment screw, and this fine adjustment screw plate body that can pass fixing frame is resisted against the side of universal joint, when processing produces error and when producing the situation of interference; Can be by the whole distance that goes up between driving lever and the vehicle frame of the nearlyer step of this fine adjustment screw of rotation, to reach the effect of light gear shift.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of convention electric wheelchair gear-box.
Fig. 2 is the schematic appearance of convention electric wheelchair.
Fig. 3 is the schematic side view of convention electric wheelchair gear-box.
Fig. 4 is the action schematic representation that convention electric wheelchair gear-box is pulled controlling rod.
Fig. 5 is the three-dimensional exploded view of electric wheelchair gear-box of the present invention.
Fig. 6 is the schematic appearance of electric wheelchair of the present invention.
Fig. 7 is the schematic side view of electric wheelchair transmission device drive state of the present invention.
Fig. 8 is the schematic top plan view of electric wheelchair transmission device drive state of the present invention.
Fig. 9 is the side-looking action schematic representation that electric wheelchair transmission device of the present invention is pulled non-drive state behind the controlling rod.
Figure 10 be electric wheelchair transmission device of the present invention pull non-drive state behind the controlling rod overlook the action schematic representation.
[embodiment]
Be the effect that enables to understand structure of the present invention and can reach, cooperate graphic explanation now as back:
At first, please consult Fig. 5 earlier, shown in 6, transmission device 3 of the present invention has a gear-box 31, a lid 32, a fixing frame 33 and a controlling rod 34 at least.
Gear-box 31 is to be a casing, is provided with a worm screw 311 in this gear-box 31; This worm screw 311 is that the axle center with motor M connects and establishes; This worm screw 311 can drive a worm gear 312 rotations, and this worm gear 312 and a driving gear 313 are located on the same axle, and this driving gear 313 can drive a driven gear 314 rotations; This driven gear 314 is to connect with 42 one-tenth cunnings of rear-wheel spindle of electric wheelchair 4 trailing wheels 41 to establish, and this rear-wheel spindle 42 is arranged with an elastic element 315 between driven gear 314 and gear-box 31.
Controlling rod 34, be by driving lever on one 341 and once 342 of driving levers constitute, lower end of driving lever 341 is provided with a hinge last 3411 on this; This time driving lever 342 is sides that are positioned at gear-box 31 driven gears 314; And can wear base 322 by the bottom of lid 32, be to be provided with a hinge last 3421 in the top of following driving lever 342, wherein; Should go up driving lever 341 and be provided with a universal joint 343 between the driving lever 342 down, this universal joint 343 is provided with hinge last 3431,3432 and latch 3433,3434.
The present invention is when assembling; Be that fixing frame 33 is located at lid 32 tops with bolting element S2 spiral shell, and rubber washer 333 is sheathed in the perforation 332 of plate body 331, will go up driving lever 341 and pass rubber washer 333; And will descend driving lever 342 up to wear base 322 by lid 32 belows; Then, universal joint 343 is sheathed on driving lever 341 reaches driving lever 342 down, and wore the hinge last 3431,3432 of universal joint 343 and the hinge last 3411,3421 of upper and lower driving lever 341,342 with latch 3433,3434; So that universal joint 343 combines with upper and lower driving lever 341,342; At last fine adjustment screw 335 spiral shells are located at a side of fixing frame 33, and lid 32 are locked on the top of gear-box 31, promptly accomplish the combination of transmission device 3 of the present invention with bolting element S1.
Inferiorly see also Fig. 7, shown in 8; When transmission device 3 of the present invention is in the state of transmission; The following driving lever 342 of this controlling rod 34 is to be resisted against driven gear 314, and driven gear 314 be intermeshing state with driving gear 313, drives worm screw 311 by motor M and rotates; And by the coaxial driving gear 313 of worm screw 311 drives; Drive driven gear 314 rotations by driving gear 313 again, and then drive trailing wheel 41 rotations on the rear-wheel spindle 42, reach electronic purpose of advancing to make electric wheelchair 4 by driven gear 314.
See also Fig. 9 again, shown in 10, carry out, and separate when rotating divided by transmission device 3 transmission trailing wheels 41 when desire converts electric wheelchair 4 with manpower to; Only need pull the last driving lever 341 of transmission device 3 controlling rods 34; Should go up driving lever 341 meetings and drive universal joint 343 rotations, universal joint 343 then can drive down driving lever 342 rotations, and then driving lever 342 be not resisted against a side of driven gear 314 under the order; Driven gear 314 then can be pushed open by elastic element 315; Make driven gear 314 no longer be meshed,, advance and electric wheelchair 4 can be changed into the mode of people's force urges because the power of motor M can't be passed to driven gear 314 and rear-wheel spindle 42 with driving gear 313.
Effect of the present invention is; By in the last driving lever of controlling rod 34 341 and link with a universal joint 343 between the driving lever 342 down; And on lid 32, establish to a fixed plate 33; Last driving lever 341 is passed the perforation 332 on fixed plate 33 plate bodys 331, and utilize the angle of inclination of plate body 331 to control the angle variation of universal joint 343, and then make this controlling rod 34 can avoid the interference of the enclosing cover 43 of electric wheelchair 4, vehicle frame 44... etc.; And easily by the last driving lever 341 of this controlling rod 34 of direct control on the enclosing cover 43 of electric wheelchair 4, and can reach the easy property of configuration; And by a sheathed rubber washer 333 in perforation 332, then can reducing upward, driving lever 341 produces noise with fixing frame 33 because of collision; In addition; Replace the universal joint 343 of being located at driving lever 341 by this fine adjustment screw 335; When producing the situation of interference when processing generation error, can be by the whole distance that goes up between driving lever 341 and enclosing cover 43 or the vehicle frame 44 of these fine adjustment screw 335 nearlyer steps of rotation, to reach the effect of light gear shift.
In sum, the present invention really can effectively improve the disappearance that the convention electric wheelchair is difficult for gear shift by above-mentioned structure, has not comparatively commonly used the person and has promoted effect.
[primary component symbol description]
1 transmission device, 11 gear-boxes, 111 worm screws
112 worm gears, 113 driving gears
114 driven gears, 115 elastic elements
12 lids, 121 bases
Driving lever on 13 controlling rods 131
132 times driving lever 133 latches
2 electric wheelchairs, 21 trailing wheels, 22 rear-wheel spindles
23 enclosing covers, 24 vehicle frames
3 transmission devices, 31 gear-boxes, 311 worm screws
312 worm gears, 313 driving gears
314 driven gears, 315 elastic elements
32 lids, 321 screws
322 bases, 33 fixing frames
332 perforation of 331 plate bodys
333 rubber washers, 334 notch parts
335 fine adjustment screws, 34 controlling rods
Driving lever 3411 hinge lasts on 341
342 times driving lever 3421 hinge lasts
343 universal joints
3431,3432 hinge lasts
3433,3434 latches
4 electric wheelchairs, 41 trailing wheels, 42 rear-wheel spindles
43 enclosing covers, 44 vehicle frames
S, S1, S2 bolting element M motor
Claims (8)
1. electric wheelchair transmission device, this transmission device includes:
One gear-box,
One lid,
One fixing frame, top have extended a plate body, and plate body is provided with a perforation; And
One controlling rod,
It is characterized in that,
Said controlling rod has on one driving lever and driving lever once, is to connect with a universal joint between driving lever and time driving lever this on;
Through fixing frame is located at the lid top with the bolting element spiral shell; And will go up driving lever and pass perforation; And driving lever up wore lid down, and the angle of controlling universal joint with the angle of inclination of plate body changes, and can avoid the enclosing cover of electric wheelchair, the interference of vehicle frame so that go up driving lever.
2. electric wheelchair transmission device as claimed in claim 1 is characterized in that: the perforation of this fixing frame is to be arranged with a rubber washer.
3. electric wheelchair transmission device as claimed in claim 1 is characterized in that: this fixing frame is to be provided with a fine adjustment screw.
4. electric wheelchair transmission device as claimed in claim 1; It is characterized in that: the axle center that this gear-box is provided with a worm screw and motor connects establishes; This worm screw can drive with driving gear and be located at coaxial worm gear; This driving gear can drive the driven gear rotation that is arranged on the rear-wheel spindle, and is with an elastic element on this rear-wheel spindle.
5. electric wheelchair transmission device as claimed in claim 1 is characterized in that: this lid is provided with several screws and a base, and this screw can supply bolting element to wear lid is locked in the gear-box top.
6. electric wheelchair transmission device as claimed in claim 1 is characterized in that: this plate body is to can be the skewed swash plate of a tool.
7. electric wheelchair transmission device as claimed in claim 1 is characterized in that: this perforation is to can be a circular port.
8. electric wheelchair transmission device as claimed in claim 1 is characterized in that: this lid is to have a base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710108148A CN101315124B (en) | 2007-05-30 | 2007-05-30 | Electric wheelchair transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710108148A CN101315124B (en) | 2007-05-30 | 2007-05-30 | Electric wheelchair transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101315124A CN101315124A (en) | 2008-12-03 |
| CN101315124B true CN101315124B (en) | 2012-10-03 |
Family
ID=40106230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710108148A Expired - Fee Related CN101315124B (en) | 2007-05-30 | 2007-05-30 | Electric wheelchair transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101315124B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230319B (en) * | 2013-05-08 | 2015-12-02 | 河北工业大学 | A kind of wheelchair seat pose governor motion |
| CN104207898B (en) * | 2014-08-22 | 2016-10-05 | 太仓市中峰模具塑胶有限公司 | A kind of electric wheelchair driving means |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1924756A1 (en) * | 1968-05-16 | 1969-11-27 | Biddle Raymond George | Power wheelchair |
| US5287743A (en) * | 1992-09-24 | 1994-02-22 | Dura Mechanical Components, Inc. | Manual transmission shifter |
| GB2383621A (en) * | 2001-08-09 | 2003-07-02 | Chen-Chuan Lo | Electric wheelchair having a simultaneous gear change linkage |
| TWM244897U (en) * | 2003-10-03 | 2004-10-01 | Jyue Yang Ind Co Ltd | The improved structure of the idle running clutch on a car by the means of transportation for the handicapped |
| TWM250651U (en) * | 2004-02-03 | 2004-11-21 | Merits Health Products Co Ltd | Clutch type speed reducer for electric wheelchair |
| CN2690670Y (en) * | 2004-02-19 | 2005-04-06 | 国睦工业股份有限公司 | Clutch type speed reducer for electric wheelchair |
| KR20060131462A (en) * | 2005-06-16 | 2006-12-20 | 김영석 | Wheelchair with speed-variable manual driving apparatus |
-
2007
- 2007-05-30 CN CN200710108148A patent/CN101315124B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1924756A1 (en) * | 1968-05-16 | 1969-11-27 | Biddle Raymond George | Power wheelchair |
| US5287743A (en) * | 1992-09-24 | 1994-02-22 | Dura Mechanical Components, Inc. | Manual transmission shifter |
| GB2383621A (en) * | 2001-08-09 | 2003-07-02 | Chen-Chuan Lo | Electric wheelchair having a simultaneous gear change linkage |
| TWM244897U (en) * | 2003-10-03 | 2004-10-01 | Jyue Yang Ind Co Ltd | The improved structure of the idle running clutch on a car by the means of transportation for the handicapped |
| TWM250651U (en) * | 2004-02-03 | 2004-11-21 | Merits Health Products Co Ltd | Clutch type speed reducer for electric wheelchair |
| CN2690670Y (en) * | 2004-02-19 | 2005-04-06 | 国睦工业股份有限公司 | Clutch type speed reducer for electric wheelchair |
| KR20060131462A (en) * | 2005-06-16 | 2006-12-20 | 김영석 | Wheelchair with speed-variable manual driving apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101315124A (en) | 2008-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101315124B (en) | Electric wheelchair transmission device | |
| CN102908096A (en) | Toilet bowl and automatic cover turning device | |
| CN1715606A (en) | Hand and electric driven interlink device for opening window of building and car | |
| CN201074602Y (en) | Yawing transmission structure of electric fan | |
| CN207024021U (en) | Electric and pedal two-purpose dewatering device | |
| CN206349564U (en) | Electric tabletop socket | |
| CN201707624U (en) | Displayer and support thereof | |
| CN201096173Y (en) | Automatic cover-turning garbage bin speed reducing driver | |
| CN211501528U (en) | Planetary speed change mechanism and kitchen center | |
| CN204218804U (en) | A kind of foot-operated folding cover plate | |
| CN203555377U (en) | Multi-functional combined cabinet | |
| CN201095083Y (en) | Electric wrench | |
| CN218914428U (en) | Touch all-in-one | |
| CN205661624U (en) | Built -in gear type wheel decelerator of tire and bassinet | |
| CN210598493U (en) | Automatic separating power device | |
| CN101872216A (en) | Display and support thereof | |
| CN221153876U (en) | Food processor with switchable high and low rotation speeds | |
| CN2828444Y (en) | Three-speed gear box | |
| CN219394627U (en) | Control system of electric vehicle for old people | |
| CN220354453U (en) | Speed reducing structure and cooking machine | |
| CN2868161Y (en) | Toilet cushion and cover auto-switching device | |
| CN205612156U (en) | Simple and easy intelligence bed | |
| CN206722631U (en) | A kind of container electric door controller | |
| CN221357613U (en) | Movement device and massage instrument | |
| CN113794323A (en) | Durable small-sized motor with wide application range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20121003 Termination date: 20180530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |