CN201879925U - Electric wheelchair - Google Patents
Electric wheelchair Download PDFInfo
- Publication number
- CN201879925U CN201879925U CN 201020587578 CN201020587578U CN201879925U CN 201879925 U CN201879925 U CN 201879925U CN 201020587578 CN201020587578 CN 201020587578 CN 201020587578 U CN201020587578 U CN 201020587578U CN 201879925 U CN201879925 U CN 201879925U
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- wheel
- crossbeam
- link
- steel wire
- nut
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Abstract
The utility model relates to an electric wheelchair which comprises a wheelchair frame, and a seat, front wheels, rear wheels, a steering control mechanism, a driving device, a speed-regulation control mechanism and a brake mechanism that are arranged on the wheelchair frame; the front end of the wheelchair frame is connected with the two front wheels with adjustable wheel distances; the rear end of the wheelchair frame is connected with the rear wheels; the rear wheels are driven by the driving device and is used as a driving wheel, thus driving the two front wheels to rotate; the rear wheels are connected with a steering rotary shaft of the steering control mechanism by a rear fork assembly and can rotate synchronously with the steering rotary shaft to form a steering wheel; and the seat is arranged on the wheelchair frame by a lifting mechanism. The utility model provides an inverted three-wheel electric wheelchair which is stable, convenient and flexible for use and has wide usage scope, and can realize the functions of adjustable wheel distances of the front wheels, driving of the rear wheel, steering of the rear wheel, adjusting of the seat height, and the like.
Description
Technical field
This utility model relates to a kind of electric wheel-chair vehicle, relates in particular to the electric wheel-chair vehicle that a kind of old man of being and the disabled ride instead of walk.
Background technology
Though existing electric wheel-chair vehicle can solve the manpower of push boat chair to a certain extent, but the requirement of this wheelchair road pavement quality is very high, lean forward easily and turn on one's side, wheelspan is non-adjustable, especially the height at seat is changeless, and this has limited the scope of application of this wheelchair and the activity space of user widely.
The utility model content
The purpose of this utility model is to overcome the defective that prior art exists, provide a kind of stable, convenient, flexibly, the scope of application wide fall three wheeled electric wheel-chair vehicles, function such as it can be realized, and front tread is adjustable, rear wheel drive, rear-axle steering and height of seat are adjustable.
The technical scheme that its technical problem that solves this utility model adopts is: a kind of electric wheel-chair vehicle, comprise vehicle frame, and be arranged on seat on the vehicle frame, front-wheel, trailing wheel, turn to controlling organization, driving device, speed regulation control mechanism and braking mechanism, described vehicle frame front end is connected with two adjustable front-wheels of wheelspan, its rear end is connected with a trailing wheel, described trailing wheel is driven by driving device becomes drivewheel, thereby driving two front-wheels rotates, described trailing wheel is connected with the rotating shaft that turns to that turns to controlling organization by the back vent assembly, and turn to rotating shaft to rotate synchronously with this to become steering wheel, described seat is installed on the vehicle frame by elevating mechanism.
Further, adjustable in order to realize front tread, described vehicle frame is by a crossbeam, two vertical poles and the wheelspan adjusting nut that is threaded on the crossbeam constitute, described crossbeam two ends are connected with connecting rod respectively, one end of described first vertical pole is connected with connecting rod wherein, one end of described second vertical pole is connected with another root connecting rod, the other end of first vertical pole and second vertical pole is connected on by bearing holder (housing, cover) respectively and turns in the rotating shaft, a separated formation left side in the described crossbeam, right two crossbeams, a described left side, it is opposite that the opposite end of right crossbeam has rotation direction, the screw thread that pitch equates, and connect by the wheelspan adjusting nut.Described two front-wheels are positioned at the crossbeam both sides, and the described connecting rod that is connected the crossbeam two ends is connected by the rotating shaft of axle sleeve with two front-wheels respectively.
Further, in order to realize rear-axle steering, the described controlling organization that turns to comprises synchronous pulley, handlebar and the column that is connected with the handlebar vertical fixing, describedly turn to rotating shaft to fixedly connected with the centre bore of synchronous pulley, this turns to the rotating shaft lower end to fixedly connected with the top of back vent assembly, described column is rotatably connected on the connecting rod of crossbeam one end by axle sleeve, it is opposite to have the rotation direction that is arranged above and below on this column, pitch two equal segments screw thread, on the epimere screw thread, be connected with first nut, on the hypomere screw thread, be connected with second nut, described first nut is fixedlyed connected with an end of first steel wire rope, described second nut is fixedlyed connected with an end of second steel wire rope, the other end of described first steel wire rope and second steel wire rope is fixedlyed connected with the cog belt two ends of synchronous pulley respectively, the described axial guiding device that turns to controlling organization also to comprise to be used to prevent first nut and the second nut rotation.Described axial guiding device comprises a strip piece parallel with column, on the axle sleeve that described strip piece lower end is fixedly connected on column is connected, this its length direction of strip piece upper edge has a strip groove, have the projection corresponding with described groove on described first nut and second nut respectively, described projection all is embedded in the described groove.
Further, when the front-wheel wheelspan is transferred when wide, the wheelbase of wheel Wheel-chair can shorten, sagging at this moment for fear of two steel wire ropes, be fixedly connected with first link on the left crossbeam of described crossbeam, be fixedly connected with second link on its right crossbeam, described first steel wire penetrating, first link is connected with cog belt, described second steel wire penetrating, second link is connected with cog belt, and such first link and second link can be followed the opposing motion of left and right crossbeam, and steel wire rope just is tightened up then.Be fixedly connected with the 3rd link on described first vertical pole, be fixedly connected with the 4th link on second vertical pole, the 3rd link of described first steel wire penetrating and the first link homonymy, the 4th link of described second steel wire penetrating and the second link homonymy, adopting this structure is to prevent that steel wire rope is sagging equally.Also be connected with first fixed pulley and second fixed pulley on described and the axle sleeve that column is connected, described first steel wire rope is by first fixed pulley, and described second steel wire rope is by second fixed pulley.
Further, adjustable in order to realize height of seat, described elevating mechanism comprises screw rod, with shaking the hand that this screw rod one end is fixedlyed connected, two supporting seats that are parallel to each other and four slide blocks, from left to right slidely connect first slide block and second slide block on described first supporting seat successively, from left to right slidely connect the 3rd slide block and Four-slider on described second supporting seat successively, described two supporting seats are provided with the bar shaped dovetail type projection of level, all have the dovetail groove that matches with described dovetail type projection on described four slide blocks, described dovetail type projection is connected with dovetail groove, described first slide block is connected by connecting rod with Four-slider, described second slide block is connected by connecting rod with the 3rd slide block, and the transposition section pin joint between two connecting rods, the rotation direction that has the left-right symmetric arrangement on the described screw rod is opposite, pitch two equal segments screw thread, described first slide block is threaded on the left-hand thread of screw rod, second slide block is threaded on the right-hand thread of screw rod, described second supporting seat is by a connecting rod and a left side, right crossbeam wherein one fixedly connected, and have bar-shaped trough on the bottom surface of second supporting seat perpendicular to this second supporting seat, described pressure pin one end that is used for supporting chair is embedded in this bar-shaped trough, its other end is connected on by bearing holder (housing, cover) and turns in the rotating shaft, and described seat is fixedly connected on first supporting seat.
Further, in order to realize rear wheel drive, described driving device comprises motor and is used for battery to the motor power supply, described motor place in the wheel hub of trailing wheel and with the trailing wheel interlock, described battery places on the support that is fixedly connected on bottom of frame.
The beneficial effects of the utility model: this utility model has solved the defective that exists in the background technology, and (one) adopts inverted triangle to support, and improves the stability of driving greatly, prevents to lean forward and turn on one's side; (2) can adjust front tread quickly and easily according to environment for use, wheelspan is wide more, and the stability of vehicle is good more, on irregular road surface, can suitably relax wheelspan, so just increase the stability of vehicle, in the time will entering elevator or other narrower passageways, can reduce wheelspan, be beneficial to vehicle and pass through; (3) can the free lifting seat and self-locking at any time, enlarged the activity space of user, simple in structure, easy to use; (4) rear wheel drive, effectively driving force is big; (5) rear-axle steering, theoretical radius of turn are zero, turn to flexibly, can realize the original place rotation in theory.
Description of drawings
Below in conjunction with the drawings and specific embodiments this utility model is described in further detail.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2, Fig. 3 are the structural representation of this utility model except that seat-assembly;
Fig. 4 is the structural representation of elevating mechanism of the present utility model;
Fig. 5 is the syndeton sketch map of seat of the present utility model and elevating mechanism.
Wherein: 1, vehicle frame; 11, crossbeam; 12, first vertical pole; 13, second vertical pole; 14, wheelspan adjusting nut; 15, first link; 16, second link; 17, the 3rd link; 18, the 4th link; 19, support; 2, seat; 3,31,32, front-wheel; 4 trailing wheels; 41, back vent assembly; 51, synchronous pulley; 511, cog belt; 52, handlebar; 521, brake lever; 522, high low speed permutator; 53, column; 531, first fixed pulley; 532, second fixed pulley; 54, first nut; 55, second nut; 56, the first steel wire horizontal stroke; 57, second steel wire rope; 58 turn to rotating shaft; 59, strip piece; 61 motors; 62, battery; 8, elevating mechanism; 81, screw rod; 82, shake the hand; 83, first supporting seat; 84, second supporting seat; 85,86,87,88, slide block; 89, pressure pin.
The specific embodiment
As Fig. 1-a kind of electric wheel-chair vehicle shown in Figure 5, comprise vehicle frame 1, and be arranged on seat 2 on the vehicle frame 1, front-wheel 3, trailing wheel 4, turn to controlling organization, driving device, speed regulation control mechanism and braking mechanism, described vehicle frame 1 front end is connected with two adjustable front-wheels 31 of wheelspan, 32, its rear end is connected with a trailing wheel 4, described trailing wheel 4 is driven by driving device becomes drivewheel, thereby drive two front- wheels 31,32 rotate, described trailing wheel 4 is connected with the rotating shaft 58 that turns to that turns to controlling organization by back vent assembly 41, and turn to rotating shaft 58 to rotate synchronously with this to become steering wheel, described seat 2 is installed on the vehicle frame 1 by elevating mechanism 8.
Described vehicle frame 1 is by a crossbeam 11, two vertical poles 12,13 and the wheelspan adjusting nut 14 that is threaded on the crossbeam 11 constitute, described two front- wheels 31,32 are positioned at crossbeam 11 both sides, described crossbeam 11 two ends are connected with connecting rod respectively, described two connecting rods are by axle sleeve and two front- wheels 31,32 rotating shaft connects, one end of described first vertical pole 12 is connected with connecting rod wherein, one end of described second vertical pole 13 is connected with another root connecting rod, and the other end of first vertical pole 12 and second vertical pole 13 is connected on by bearing holder (housing, cover) respectively and turns in the rotating shaft 58, a separated formation left side in the described crossbeam 11, right two crossbeams, a described left side, it is opposite that the opposite end of right crossbeam has rotation direction, the screw thread that pitch equates, and connect by wheelspan adjusting nut 14, the outer peripheral face of described wheelspan adjusting nut 14 is provided with projection, and it is convenient to the people and holds rotation.Described vehicle frame 1 front end also is provided with the pedal that is used to put foot, and this pedal is connected on the connecting rod at crossbeam 11 two ends.
The described controlling organization that turns to comprises synchronous pulley 51, handlebar 52, the column that is connected with handlebar 52 vertical fixing 53 and turn to rotating shaft 58, describedly turn to rotating shaft 58 to fixedly connected with the centre bore of synchronous pulley 51, and this turns to the lower end of rotating shaft 58 to fixedly connected with the top of back vent assembly 41, described column 53 is arranged on vehicle frame 1 front end, it is rotatably connected on the connecting rod of crossbeam 11 1 ends by axle sleeve, it is opposite to have the rotation direction of being arranged above and below on this column 53, pitch two equal segments screw thread, on the epimere screw thread, be connected with first nut 54, on the hypomere screw thread, be connected with second nut 55, described first nut 54 is fixedlyed connected with an end of first steel wire rope 56, described second nut 55 is fixedlyed connected with an end of second steel wire rope 57, and the other end of described first steel wire rope 56 and second steel wire rope 57 is fixedlyed connected with cog belt 511 two ends of synchronous pulley 51.The described axial guiding device that turns to controlling organization also to comprise to be used to prevent first nut 54 and 55 rotations of second nut, this axial guiding device comprises a strip piece 59 parallel with column 53, described strip piece 59 lower ends are fixedly connected on the axle sleeve that is connected with column 53, this its length direction of strip piece 59 upper edges has a strip groove, have the projection corresponding respectively on described first nut 54 and second nut 55, and the projection of two nuts 54,55 is embedded in all in the described groove with described groove.
Sagging in order to prevent the lax back of steel wire rope, be fixedly connected with first link 15 on the described left crossbeam, be fixedly connected with second link 16 on the right crossbeam, in order to fix steel wire rope, be fixedly connected with the 3rd link 17 on described first vertical pole 12, be fixedly connected with the 4th link 18 on second vertical pole 13, described first steel wire rope 56 passes first link 15 and is connected with an end of cog belt 511 with the 3rd link 17 backs of first link, 15 homonymies, and second steel wire rope 57 passes second link 16 and is connected with the other end of cog belt 511 with the 4th link 18 backs of second link, 16 homonymies.
Also be connected with first fixed pulley 531 and second fixed pulley 532 on described and the axle sleeve that column 53 is connected, this two fixed pulley 531,532 and first link 15 and second link 16 are substantially at grade, described first steel wire rope 56 passes through second fixed pulley 532 by first fixed pulley, 531, the second steel wire ropes 57.
Described elevating mechanism 8 comprises screw rod 81, shake the hand 82 with screw rod 81 1 ends are fixedlyed connected, two supporting seats that are parallel to each other 83,84 and four slide blocks 85,86,87,88, described two supporting seats 83, be respectively equipped with the bar shaped dovetail type projection of level on 84, described four slide blocks 85,86,87, all have the dovetail groove that matches with described dovetail type projection on 88, described dovetail type projection is embedded in the dovetail groove, slide block 85,86,87,88 realize being slidingly connected, from left to right slidely connect first slide block 85 and second slide block 86 on described first supporting seat 83 successively, from left to right slidely connect the 3rd slide block 87 and Four-slider 88 successively on described second supporting seat 84, described first slide block 85 is connected by connecting rod with Four-slider 88, described second slide block 86 is connected by connecting rod with the 3rd slide block 87, and the transposition section pin joint between two connecting rods.The rotation direction that has the left-right symmetric arrangement on the described screw rod 81 is opposite, pitch two equal segments screw thread, described first slide block 85 is threaded on the left-hand thread of screw rod 81, second slide block 86 is threaded on the right-hand thread of screw rod 81, described second supporting seat 84 is by two support link and a left side, right crossbeam wherein one fixedly connected, and have bar-shaped trough on the bottom surface of second supporting seat 84 perpendicular to this second supporting seat 84, pressure pin 89 1 ends are embedded in this bar-shaped trough, its other end is connected on by bearing holder (housing, cover) and turns in the rotating shaft 58, this pressure pin 89 plays the effect of supporting chair 2, described seat 2 is fixedly connected on the upper surface of first supporting seat 83, in order more firmly to connect seat 2, the upper surface area of described first supporting seat 83 is bigger.Described two connecting rods constitute a liftable bow, and this elevating mechanism is not limited to a clear and definite bow number certainly, can be provided with according to demand, and the bow setting is many more, and the height that seat 2 can raise is also high more.
The battery 62 that described driving device comprises motor 61 and is used for powering to motor 61, described motor 61 place in the wheel hub of trailing wheel 4 and with trailing wheel 4 interlocks, described battery 62 places in the support 19 that is fixedly connected on vehicle frame 1 bottom, and this support 19 is connected on above-mentioned two support link.
Described handlebar 52 is provided with the high low speed permutator 522 of the brake lever 521 and the speed regulation control mechanism of braking mechanism, and described brake lever 521 is connected on the brake shoes that is arranged on trailing wheel 4 outsides by brake cable; Described high low speed permutator 522 is electrically connected with motor 61 by intelligent controller.
The utlity model has that front tread is adjustable, rear wheel drive, rear-axle steering and adjustable these four utilitarian functions of height of seat, they realize by following mode of operation respectively: (one) can realize the elongation and the shortening of crossbeam 11 by positive and negative swiveling wheel apart from adjusting nut 14, thereby the wheelspan of realizing two front- wheels 31,32 is adjustable; (2) trailing wheel 4 and motor 61 interlocks have been realized rear wheel drive; (3) in the time of need turning to, promote handlebar 52 forward or backward, vertical rod 53 is rotated, two nuts 54,55 do motion relatively or contrarily, when two nuts 54,55 when doing relative motion, second nut, 55 pullings, second steel wire rope 57, first nut 54 loosens first steel wire rope 56, and this moment, synchronous pulley 51 rotations supposed that it rotates counterclockwise, when two nuts 54,55 when doing opposing motion, first nut, 54 pullings, first steel wire rope, 56, the second nuts 55 loosen second steel wire rope 57, and synchronous pulley 51 was done and clockwise rotated this moment, because trailing wheel 4 is connected with turning to rotating shaft 58 by rear wheel assembly 41, and turn to turning to of rotating shaft 58 identical with turning to of synchronous pulley 51, so trailing wheel 4 is also identical with turning to of synchronous pulley 51, just realized rear-axle steering like this, in addition, two front- wheels 31,32 with the switched in opposite of trailing wheel 4; When (four) needing to regulate seat 2 height, clockwise or rotate counterclockwise and shake the hand 82, first slide block 85, second slide block 86 are done move toward one another or opposing motion, when move toward one another, distance between first supporting seat 83 and second supporting seat 84 increases, because second supporting seat 84 is fixedly connected on the crossbeam 11, and can not lifting, thereby cause first supporting seat 83 to move upward, seat 2 raises; Otherwise seat 2 descends.
Claims (10)
1. electric wheel-chair vehicle, comprise vehicle frame (1), and be arranged on seat (2) on the vehicle frame (1), front-wheel (3), trailing wheel (4), turn to controlling organization, driving device, speed regulation control mechanism and braking mechanism, it is characterized in that: described vehicle frame (1) front end is connected with two adjustable front-wheels (31 of wheelspan, 32), its rear end is connected with a trailing wheel (4), described trailing wheel (4) is driven by driving device becomes drivewheel, thereby drive two front-wheels (31,32) rotate, described trailing wheel (4) is connected with the rotating shaft (58) that turns to that turns to controlling organization by back vent assembly (41), and turn to rotating shaft (58) to rotate synchronously with this to become steering wheel, described seat (2) is installed on the vehicle frame (1) by elevating mechanism (8).
2. a kind of electric wheel-chair vehicle according to claim 1, it is characterized in that: described vehicle frame (1) is by a crossbeam (11), two vertical poles (12,13) and the wheelspan adjusting nut (14) that is threaded on the crossbeam (11) constitute, described crossbeam (11) two ends are connected with connecting rod respectively, one end of described first vertical pole (12) is connected with connecting rod wherein, one end of described second vertical pole (13) is connected with another root connecting rod, the other end of first vertical pole (12) and second vertical pole (13) is connected on by bearing holder (housing, cover) respectively and turns in the rotating shaft (58), a separated formation left side in the described crossbeam (11), right two crossbeams, a described left side, it is opposite that the opposite end of right crossbeam has rotation direction, the screw thread that pitch equates, and connect by wheelspan adjusting nut (14).
3. a kind of electric wheel-chair vehicle according to claim 2 is characterized in that: described two front-wheels (31,32) are positioned at crossbeam (11) both sides, and the described connecting rod that is connected crossbeam (11) two ends is connected by the rotating shaft of axle sleeve with two front-wheels (31,32) respectively.
4. a kind of electric wheel-chair vehicle according to claim 3, it is characterized in that: the described controlling organization that turns to comprises synchronous pulley (51), handlebar (52) and the column (53) that is connected with handlebar (52) vertical fixing, describedly turn to rotating shaft (58) to fixedly connected with the centre bore of synchronous pulley (51), this turns to rotating shaft (58) lower end to fixedly connected with the top of back vent assembly (41), described column (53) is rotatably connected on the connecting rod of crossbeam (11) one ends by axle sleeve, it is opposite to have the rotation direction that is arranged above and below on this column (53), pitch two equal segments screw thread, on the epimere screw thread, be connected with first nut (54), on the hypomere screw thread, be connected with second nut (55), described first nut (54) is fixedlyed connected with an end of first steel wire rope (56), described second nut (55) is fixedlyed connected with an end of second steel wire rope (57), the other end of described first steel wire rope (56) and second steel wire rope (57) is fixedlyed connected with cog belt (511) two ends of synchronous pulley (51), the described axial guiding device that turns to controlling organization also to comprise to be used to prevent first nut (54) and second nut (55) rotation.
5. a kind of electric wheel-chair vehicle according to claim 4, it is characterized in that: described axial guiding device comprises a strip piece (59) parallel with column (53), described strip piece (59) lower end is fixedly connected on the axle sleeve that is connected with column (53), its length direction of this strip piece (59) upper edge has a strip groove, have the projection corresponding with described groove respectively on described first nut (54) and second nut (55), described projection all is embedded in the described groove.
6. a kind of electric wheel-chair vehicle according to claim 5, it is characterized in that: be fixedly connected with first link (15) on the left crossbeam of described crossbeam (11), be fixedly connected with second link (16) on its right crossbeam, described first steel wire rope (56) passes first link (15) and is connected with cog belt (511), and described second steel wire rope (57) passes second link (16) and is connected with cog belt (511).
7. a kind of electric wheel-chair vehicle according to claim 6, it is characterized in that: be fixedly connected with the 3rd link (17) on described first vertical pole (12), be fixedly connected with the 4th link (18) on second vertical pole (13), described first steel wire rope (56) passes the 3rd link (17) with first link (15) homonymy, and described second steel wire rope (57) passes the 4th link (18) with second link (16) homonymy.
8. a kind of electric wheel-chair vehicle according to claim 7, it is characterized in that: also be connected with first fixed pulley (531) and second fixed pulley (532) on described and the axle sleeve that column (53) is connected, described first steel wire rope (56) is by first fixed pulley (531), and described second steel wire rope (57) is by second fixed pulley (532).
9. according to claim 2 or 8 described a kind of electric wheel-chair vehicles, it is characterized in that: described elevating mechanism (8) comprises screw rod (81), shake the hand (82) of fixedlying connected with these screw rod (81) one ends, two supporting seats that are parallel to each other (83,84) and four slide blocks (85,86,87,88), from left to right slidely connect first slide block (85) and second slide block (86) on described first supporting seat on (83) successively, from left to right slidely connect the 3rd slide block (87) and Four-slider (88) on described second supporting seat (84) successively, described two supporting seats (83,84) be provided with the bar shaped dovetail type projection of level, described four slide blocks (85,86,87,88) all have the dovetail groove that matches with described dovetail type projection on, described dovetail type projection is connected with dovetail groove, described first slide block (85) is connected by connecting rod with Four-slider (88), described second slide block (86) is connected by connecting rod with the 3rd slide block (87), and the transposition section pin joint between two connecting rods, the rotation direction that has the left-right symmetric arrangement on the described screw rod (81) is opposite, pitch two equal segments screw thread, described first slide block (85) is threaded on the left-hand thread of screw rod (81), second slide block (86) is threaded on the right-hand thread of screw rod (81), described second supporting seat (84) is by a connecting rod and a left side, right crossbeam wherein one fixedly connected, and have bar-shaped trough on the bottom surface of second supporting seat (84) perpendicular to this second supporting seat (84), described pressure pin (89) one ends that are used for supporting chair (2) are embedded in this bar-shaped trough, its other end is connected on by bearing holder (housing, cover) and turns in the rotating shaft (58), and described seat (2) is fixedly connected on first supporting seat (83).
10. according to claim 2 or 8 described a kind of electric wheel-chair vehicles, it is characterized in that: the battery (62) that described driving device comprises motor (61) and is used for powering to motor (61), described motor (61) place in the wheel hub of trailing wheel (4) and with trailing wheel (4) interlock, described battery (62) places on the support (19) that is fixedly connected on vehicle frame (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020587578 CN201879925U (en) | 2010-11-02 | 2010-11-02 | Electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020587578 CN201879925U (en) | 2010-11-02 | 2010-11-02 | Electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201879925U true CN201879925U (en) | 2011-06-29 |
Family
ID=44177447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020587578 Expired - Lifetime CN201879925U (en) | 2010-11-02 | 2010-11-02 | Electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201879925U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451063A (en) * | 2010-11-02 | 2012-05-16 | 金祥曙 | Electric wheelchairs |
| CN102697609A (en) * | 2012-05-15 | 2012-10-03 | 博尔塔拉蒙古自治州万力源科技开发有限责任公司 | Electric wheelchair and steering control device thereof |
| CN106726201A (en) * | 2017-02-14 | 2017-05-31 | 蚌埠市唐人机械科技有限公司 | A kind of universal wheelchair |
| CN109625056A (en) * | 2019-02-22 | 2019-04-16 | 陇东学院 | A kind of handling device that security performance is high |
-
2010
- 2010-11-02 CN CN 201020587578 patent/CN201879925U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451063A (en) * | 2010-11-02 | 2012-05-16 | 金祥曙 | Electric wheelchairs |
| CN102451063B (en) * | 2010-11-02 | 2014-07-02 | 金祥曙 | Electric wheelchairs |
| CN102697609A (en) * | 2012-05-15 | 2012-10-03 | 博尔塔拉蒙古自治州万力源科技开发有限责任公司 | Electric wheelchair and steering control device thereof |
| CN102697609B (en) * | 2012-05-15 | 2015-04-22 | 博尔塔拉蒙古自治州万力源科技开发有限责任公司 | Electric wheelchair and steering control device thereof |
| CN106726201A (en) * | 2017-02-14 | 2017-05-31 | 蚌埠市唐人机械科技有限公司 | A kind of universal wheelchair |
| CN109625056A (en) * | 2019-02-22 | 2019-04-16 | 陇东学院 | A kind of handling device that security performance is high |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20140702 |
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| RGAV | Abandon patent right to avoid regrant |