CN201633874U - Chain wheel device and electric motorcar - Google Patents
Chain wheel device and electric motorcar Download PDFInfo
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- CN201633874U CN201633874U CN2010201098748U CN201020109874U CN201633874U CN 201633874 U CN201633874 U CN 201633874U CN 2010201098748 U CN2010201098748 U CN 2010201098748U CN 201020109874 U CN201020109874 U CN 201020109874U CN 201633874 U CN201633874 U CN 201633874U
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- adapter plate
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Abstract
The utility model discloses a chain wheel device and an electric motorcar. The chain wheel device comprises a chain wheel structure, a fixed sleeve, an inner meshing disc gear, a planetary gear, a central gear and a fixed plate; the chain wheel structure is arranged at the small end of the inner meshing disc gear; the chain wheel and the inner meshing disc gear are in rotational connection with the fixed sleeve; the inner meshing disc gear is in rotational connection with the fixed plate; the planetary gear is mounted at the camshaft of the fixed plate; the central gear is positioned in the middle of the fixed plate and matched with the fixed sleeve; the inner bonding step disc gear meshes with the planetary gear; and the planetary gear meshes with the central gear. Another chain wheel device in the utility model comprises a chain wheel, a fixed sleeve, an inner meshing disc gear, a planetary gear, a central gear and a fixed plate; the chain wheel structure is connected with the central gear; and the fixed sleeve is fixedly connected with the center of the inner meshing disc gear. In addition, the utility model further provides an electric motorcar with the chain wheel device. Therefore, the utility model has the advantages that the rotational speed of the electric motorcar and that of foot pedals are matched with each other, energy cost is saved, and the service life of the storage battery and the motor is prolonged.
Description
Technical field:
The utility model relates to a kind of chain gear apparatus and the battery-driven car of this device is housed.
Background technology:
The Electrical Bicycle of footboard drives, electronic light cavalry are housed at present, the foot-operated stretcher that changes, stretcher drives hinge wheel, and hinge wheel drives chain, the minor sprocket that can only do unidirectional power transmission after chain drives on the protruding axle of turbin generator rotates and drives the trailing wheel rotation, thereby drives car.In the ordinary course of things, the speed that the people rotates stretcher is per minute 60 right side of turning left, this rotating speed drives the minor diameter sprocket wheel by large diameter sprocket and amplifies, because the restriction of car structure, it is too big that the Dalian wheel can not be done, minor sprocket can not be done too for a short time, and this rotating speed is exaggerated multiple generally about 1.8 to 2.2.The minor sprocket rotating speed is on per minute 120 right side of turning left, and rear wheel also has 120 right sides of turning left, so generally speaking, people's speed by bike is per hour about 15 kilometers.For the Electrical Bicycle or the electronic light cavalry that drive with the storage battery electric energy, its moving velocity is generally per hour more than 20 kilometers.If divide by driving voltage, the 24V battery electrics drive vehicle, its speed of sailing is generally per hour about 20 kilometers; 36V battery electrics drive vehicle, its speed of sailing are generally per hour about 30 kilometers; 48V battery electrics drive vehicle, its speed of sailing are generally per hour about 40 kilometers.Voltage is high more, and its moving velocity is fast more.This class battery-driven car generally is furnished with stretcher, hinge wheel, driving chain, can only makes the drive mechanisms such as minor sprocket of unidirectional power transmission, because the restriction that the people steps on rotary speed, after battery-driven car started, the people steps on changeed stretcher almost with not exerting oneself.That is to say that the people steps on when changeing stretcher, sprocket wheel is in idle running, and this cover stretcher chain sprocket structure on these battery-driven cars, performs practically no function.Actual in the use of battery-driven car, the people seldom uses it.So the electric power mini-motorcycle of present stage, electric bicycle, manpower are stepped on the almost not effect of capable function, can only a kind of at last low power electronic light cavalry.
Along with the raising of people's living standard, this laborsaving electric environment protecting easily of the people car popularization degree that allows is more and more higher, and the trend that replaces bicycle is arranged greatly.The recoverable amount of our domestic this class battery-driven car is at 1.2 hundred million at present, and the annual also speed about with 2,000 ten thousand increasing, and effectively solving the existing problem of battery-driven car will be highly significant.
The utility model content:
Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in the prior art, and a kind of chain gear apparatus is provided and the battery-driven car of this device is housed.
The utility model solves the problems of the technologies described above the technical scheme that is adopted and comprises: a kind of chain gear apparatus, comprise chain sprocket structure, fixed cover, engagement carousel gear in it is characterized in that being provided with, planetary wheel, sun gear and adapter plate, the small end of engagement carousel gear in chain sprocket structure is installed on, sprocket wheel, interior engagement carousel gear all is rotationally connected with fixed cover, interior engagement carousel gear and adapter plate are rotationally connected, planetary wheel is installed on the protruding axle of adapter plate, sun gear is positioned at the centre of adapter plate and cooperates with fixed cover, interior bonding ladder carousel gear and planetary wheel engagement, planetary wheel and sun gear engagement.
The utility model also is provided with unidirectional load transfer device, unidirectional power transmission is installed between sun gear and the fixed cover, chain sprocket structure is captiveed joint with interior engagement carousel gear, and constitutes the fixed body that can not rotate mutually, is provided with the minimizing part of mutual friction mutually between this fixed body and adapter plate, fixed cover.
The utility model also is provided with unidirectional load transfer device, between the outside of chain sprocket structure inboard and interior engagement carousel gear small end unidirectional load transfer device is housed, chain sprocket structure is captiveed joint with sun gear, and constitute the fixed body that to rotate mutually, between this fixed body and locating bush, be equipped with the antifriction part between interior engagement carousel gear and adapter plate, sun gear is captiveed joint with fixed cover.
The utility model also is provided with locating bush, and locating bush all cooperates with adapter plate, fixed cover.
The utility model also is provided with T type nut, and T type nut cooperates with the battery-driven car hind axle.
The utility model solves the problems of the technologies described above the technical scheme that is adopted and also comprises: a kind of chain gear apparatus, comprise sprocket wheel, fixed cover, engagement carousel gear, planetary wheel, sun gear, adapter plate in it is characterized in that also being provided with, sprocket wheel is connected with sun gear, and rotate with sun gear, planetary wheel is installed on the protruding axle of adapter plate, sun gear is positioned at the center of adapter plate, interior engagement carousel gear and planetary wheel, sun gear are meshing with each other, interior engagement carousel gear can be rotated by the relative fixed plate, and fixed cover is connected with the center fixation of interior engagement carousel gear.
Sprocket wheel described in the utility model also is provided with locating bush, locating bush is positioned at the inboard of sprocket wheel and is connected with fixed cover, and sprocket wheel and sun gear constitute the fixed body that can not rotate mutually, between this fixed body and locating bush, between interior engagement carousel gear and adapter plate, be provided with the part that reduces the phase mutual friction.
Sprocket wheel described in the utility model is one group of chain wheel set that diameter differs, and also is provided with fixedly end cap, and chain wheel set is captiveed joint with fixing end cap.
The part of minimizing phase described in the utility model mutual friction is ball or needle roller or oil-containing packing seal or graphite pads etc.
The utility model solves the problems of the technologies described above the technical scheme that is adopted and also comprises: a kind of battery-driven car, comprise stretcher, chain, the protruding axle of motor, hind axle and back vent, stretcher is connected with chain, it is characterized in that installing on the hind axle above-mentioned chain gear apparatus, chain is connected with chain sprocket structure, chain gear apparatus is fixing by fixed cover and the protruding axle of motor, adapter plate and back vent heavy keying fit.
The utility model solves the problems of the technologies described above the technical scheme that is adopted and also comprises: a kind of battery-driven car, comprise stretcher, chain, axis, bottom bracket axle, fixed mount and stretcher, it is characterized in that installing on the axis above-mentioned chain gear apparatus, fixed mount is connected with bottom bracket axle, fixed mount is connected with adapter plate, and stretcher is connected with axis, and the fixed cover in the middle of the interior bonding ladder carousel gear cooperates with axis, chain sprocket structure is connected with chain, and chain is connected with hind axle.
The utility model compared with prior art, have the following advantages and effect: the matching problem that 1, has solved the rotating speed of the rotating speed of stretcher and battery-driven car, make battery-driven car in motion, can also step on battery-driven car by manpower, make it really become genuine Electrical Bicycle or aiding bicycle, foot-operated function is no longer performed practically no function.2, since battery-driven car in motion simultaneously manpower ride, can save the electric energy about 20%, if existing battery-driven car is all by last chain gear apparatus of the present utility model, the recoverable amount of pressing present our domestic this class battery-driven car is about 1.2 hundred million, the battery-driven car average power is at 200 watts of meters, probably can save electric energy 4,800 ten thousand degree electricity every day, save 2,500 ten thousand yuan of the electricity charge every day.3, battery-driven car in motion simultaneously manpower ride, can prolong the service life of storage battery about 20%, save battery cost of depreciation about 20%.Electric current reduces when 4, riding, and it is safer that motor is used, and the life-span is longer.5, people's manpower when driving battery-driven car is ridden, can be compared to this moment people in the exercise of riding, concerning the working clan, can be on duty every day and take exercises on the road, both saved the physical training time, and increased the physical training chance again, ride in limit driving battery-driven car limit in the winter time, can increase people's cold-resistant degree, it is cold that the cyclist no longer feels.Battery-driven car is opened on this limit, and the limit exercise of riding can obviously strengthen people's physique, has very big social benefit.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the structural representation of the utility model embodiment 3.
Fig. 4 is the structural representation of the utility model embodiment 4.
Fig. 5 is the structural representation of the utility model embodiment 5.
Fig. 6 is the structural representation of the utility model embodiment 6.
Fig. 7 is the inner structure scheme drawing of the utility model embodiment 1～6.
The specific embodiment:
Referring to Fig. 1～Fig. 7, the utility model comprises on the whole: chain sprocket structure 1, interior engagement carousel gear 2, planetary wheel 3, adapter plate 5, sun gear 6 and fixed cover 9, interior engagement carousel gear 2, planetary wheel 3 and sun gear 6 are formed drivings device, chain sprocket structure 1 is connected with this driving device, interior bonding carousel gear 2 and planetary wheel 3 engagements, planetary wheel 3 and sun gear 6 engagements, adapter plate 5 is used for this driving device is installed on the battery-driven car, and fixed cover 9 is used for the cooperation of electronic axletree and installs.Above structure is applicable to embodiment 1～6.
The utility model also can be provided with unidirectional load transfer device according to actual needs, unidirectional load transfer device can adopt unidirectional power transmission tooth hand 8 and tooth hand spring 11, unidirectional load transfer device is located between chain sprocket structure 1 and the driving device, makes the driving between chain sprocket structure 1 and the driving device have the characteristics of unidirectional power transmission.
The utility model also can be provided with the location and installation device according to actual needs, and the location and installation device can adopt locating bush 10, and locating bush 10 is used for cooperating to be installed.
The utility model also can be provided with the antifriction part 4 that reduces the phase mutual friction according to actual needs, and this antifriction part 4 is arranged between each parts that is rotationally connected, and antifriction part 4 can adopt ball, needle roller, oil-containing packing seal, graphite pads or other similar antifriction parts.
Embodiment 1:
Referring to Fig. 1, Fig. 7, the utility model embodiment 1 comprises: chain sprocket structure 1, fixed cover 9, interior engagement carousel gear 2, planetary wheel 3, sun gear 6 and adapter plate 5, the small end of engagement carousel gear 2 in chain sprocket structure 1 is fixed in, chain sprocket structure 1, interior engagement carousel gear 2 can be rotated by relative fixed cover 9, and interior engagement carousel gear 2 can be rotated by relative fixed plate 5.Planetary wheel 3 is installed on the protruding axle of adapter plate 5, and sun gear 6 is positioned at the centre of adapter plate 5, and cooperates with fixed cover 9.Interior bonding ladder carousel gear and planetary wheel engagement, planetary wheel and sun gear engagement.Present embodiment chain sprocket structure 1 adopts minor sprocket.
Present embodiment also is provided with unidirectional load transfer device, unidirectional load transfer device adopts unidirectional power transmission tooth hand 8 and tooth hand spring 11, unidirectional power transmission tooth hand 8, tooth hand spring 11 are installed between sun gear 6 and the fixed cover 9, and unidirectional power transmission tooth hand 8 and tooth hand spring 11 adopt riveted joint.
Present embodiment also is provided with locating bush 10 and T type nut 7, and locating bush 10 all cooperates with adapter plate 5, fixed cover 9, and T type nut 7 cooperates with battery-driven car hind axle 02.
The utility model embodiment 1 is installed on the battery-driven car hind axle 02, and fastening by protruding 01 in fixed cover 9 and motor, adapter plate 5 is stuck on battery-driven car back vent 03, and is fixing by the captive nut 04 of T type nut 7 and battery-driven car.
When battery-driven car is ridden, stretcher rotates, by chain drive sprocket wheel structure 1, engagement carousel gear 2 was rotated in chain sprocket structure 1 drove, interior engagement carousel gear 2 drives planetary wheels 3, planetary wheel 3 drives sun gear 6, and sun gear 6 drives fixed cover 9 by unidirectional power transmission tooth hand 8 and drives protruding axle 01 rotation of motor, thereby rides battery-driven car.When motor also when driving trailing wheel because big gear wheel band miniature gears, the rotating speed of stretcher is amplified, make stretcher rotating speed and motor speed harmony.When only motor rotated, the protruding axle 01 of motor drove fixed cover 9 and rotates, under unidirectional power transmission tooth hand 8 effects, and a rotational fixation cover 9, all the other all do not rotate.
Embodiment 2:
Referring to Fig. 2, Fig. 7, the utility model embodiment 2 basic structures and annexation are with embodiment 1, distinctive points is: the small end of engagement carousel gear 22 in sprocket wheel 21 is installed on, chain sprocket structure 1 is rotationally connected with interior engagement carousel gear 2, sun gear 6 is fastenedly connected with fixed cover 9, unidirectional power transmission tooth hand 8 and tooth hand spring are installed between the outside of small end of the inboard and interior engagement carousel gear 2 of chain sprocket structure 1, in chain sprocket structure 1 and interior engagement carousel gear 2,9 of fixed covers, and interior engagement carousel gear 2 and 5 of adapter plates be equipped with antifriction part 4, and this antifriction part 4 is oil-containing packing seals.
During concrete the use, present embodiment is similar substantially to embodiment 1, unique difference is when motor-driven only, the protruding axle 01 of motor drives fixed cover 9 and rotates, also to drive sun gear 6, planetary wheel 3,2 rotations of interior engagement carousel gear simultaneously, under the effect of unidirectional power transmission tooth hand 8, chain sprocket structure 1 does not rotate.
Embodiment 3:
Referring to Fig. 3, Fig. 7, the utility model embodiment 3 is provided with chain sprocket structure 1, interior engagement carousel gear 2, planetary wheel 3, antifriction part 4, adapter plate 5, sun gear 6, fixed cover 9, chain sprocket structure 1 is connected with sun gear 6, and with sun gear 6 rotations, planetary wheel 3 is installed on the protruding axle of adapter plate 5, sun gear 6 is positioned at the centre of adapter plate 5, and interior engagement carousel gear 2 can be rotated by relative fixed plate 5, and fixed cover 9 is connected with the center fixation of interior engagement carousel gear 2.Present embodiment chain sprocket structure 1 adopts hinge wheel.
Present embodiment also is provided with locating bush 10, locating bush 10 is positioned at the inboard of chain sprocket structure 1 and is connected with fixed cover 9, chain sprocket structure 1 constitutes the fixed body that can not rotate mutually with sun gear 6, be provided with antifriction part 4 at chain sprocket structure 1 and 10 of locating bushs, interior engagement carousel gear 2 and 5 of adapter plates, this antifriction part 4 is balls.
Present embodiment is installed on battery-driven car and the stretcher bonded assembly axis 003, is connected and fixed by fixed mount 002 and bottom bracket axle 001, and the center square hole of fixed cover 9 cooperates with axis 003 square shaft.
During concrete the use, stretcher 004 drives axis 003 rotation, and 2 rotations of engagement carousel gear drove planetary wheel 3, sun gear 6 and chain sprocket structure 1 then in axis 003 drove, and chain sprocket structure 1 is by the rotation of chain drive hind axle.Stretcher 004 amplifies the rotating speed of stretcher 004 by the big gear wheel Drive pinion, makes stretcher 004 rotating speed and rotating speed of motor coupling.
Embodiment 4:
Referring to Fig. 4, Fig. 7, the utility model embodiment 4 comprises chain sprocket structure 1, interior engagement carousel gear 2, planetary wheel 3, antifriction part 4, adapter plate 5, sun gear 6, locating bush 10, fixed cover 9 and fixing end cap 49.Chain sprocket structure 1 is connected with sun gear 6, by fixedly end cap 49 is fixing.The utility model embodiment 4 remaining structural relation are the same with the utility model embodiment 3 with its mounting structure concrete on battery-driven car.Present embodiment chain sprocket structure 1 adopts chain wheel set.
In concrete the use, the utility model embodiment 4 is by adjusting chain transmission on the sprocket wheel of different-diameter, reaches the different rotating speeds ratio of stretcher 004 and trailing wheel.
Embodiment 5:
Referring to Fig. 5, Fig. 7, present embodiment comprises: chain sprocket structure 1, interior engagement carousel gear 2, planetary wheel 3, adapter plate 5, sun gear 6, fixed cover 9, the small end of engagement carousel gear 2 in chain sprocket structure 1 is installed on, chain sprocket structure 1, interior engagement carousel gear 2 can be rotated by relative fixed cover 9, and interior engagement carousel gear 2 can be rotated by relative fixed plate 5.Planetary wheel 3 is installed on the protruding axle of adapter plate 5, and sun gear 6 is positioned at the centre of adapter plate 5, and cooperates with fixed cover 9.
The utility model embodiment 5 is installed on the battery-driven car hind axle 02, and fastening by protruding 01 in fixed cover 9 and motor, adapter plate 5 is stuck on the battery-driven car back vent 03, and is fixing by the fixedly step and captive nut 04 combination of battery-driven car hind axle 02.
The sprocket wheel that has unidirectional drive mechanism on the utility model embodiment 5 and the battery-driven car axis cooperates.
When battery-driven car is ridden, the hinge wheel that stretcher has unidirectional drive mechanism rotates, by chain drive sprocket wheel structure 1, engagement carousel gear 2 was rotated in chain sprocket structure 1 drove, interior engagement carousel gear 2 drives planetary wheels 3, planetary wheel 3 drives sun gear 6, and sun gear 6 drives the protruding axle 01 of motor by fixed cover 9 and rotates, thereby rides battery-driven car.When motor also when driving trailing wheel because big gear wheel band miniature gears, the rotating speed of stretcher is amplified, make stretcher rotating speed and motor speed harmony.When only motor rotates, the protruding axle 01 of motor drives fixed cover 9 and rotates, the hinge wheel that drives simultaneously on sun gear 6, planetary wheel 3, interior engagement carousel gear 2, chain sprocket structure 1, chain, the axis rotates, and under the effect of the unidirectional drive mechanism on the hinge wheel, axis and stretcher do not rotate.
Embodiment 6:
Referring to Fig. 6, Fig. 7, the utility model embodiment 6 is provided with chain sprocket structure 1, interior engagement carousel gear 2, planetary wheel 3, adapter plate 5, sun gear 6, fixed cover 9, and chain sprocket structure 1 is connected with sun gear 6, and rotates with sun gear 6.Planetary wheel 3 is installed on the protruding axle of adapter plate 5, and sun gear 6 is positioned at the centre of adapter plate 5, and interior engagement carousel gear 2 can be rotated by relative fixed plate 5, and fixed cover 9 is connected with the center fixation of interior engagement carousel gear 2.
Present embodiment is installed on battery-driven car and the stretcher bonded assembly axis 003, is connected and fixed by fixed mount 002 and bottom bracket axle 001.The center square hole of fixed cover 9 cooperates with axis 003 square shaft, and makes axial location by stretcher 004.
During concrete the use, stretcher 004 drives axis 003 rotation, and 2 rotations of engagement carousel gear drove planetary wheel 3, sun gear 6 and chain sprocket structure 1 then in axis 003 drove, and chain sprocket structure 1 is by the rotation of chain drive trailing wheel.Stretcher 004 amplifies the rotating speed of stretcher 004 by the big gear wheel Drive pinion, makes stretcher 004 rotating speed and rotating speed of motor coupling.
Claims (10)
1. chain gear apparatus, comprise chain sprocket structure, fixed cover, it is characterized in that: engagement carousel gear, planetary wheel, sun gear and adapter plate in also being provided with, the small end of engagement carousel gear in chain sprocket structure is installed on, sprocket wheel, interior engagement carousel gear all are rotationally connected with fixed cover, interior engagement carousel gear and adapter plate are rotationally connected, planetary wheel is installed on the protruding axle of adapter plate, sun gear is positioned at the centre of adapter plate and cooperates with fixed cover, interior bonding ladder carousel gear and planetary wheel engagement, planetary wheel and sun gear engagement.
2. chain gear apparatus according to claim 1, it is characterized in that: also be provided with unidirectional load transfer device, unidirectional load transfer device is installed between sun gear and the fixed cover, chain sprocket structure is captiveed joint with interior engagement carousel gear, and constitute the fixed body that can not rotate mutually, between this fixed body and adapter plate, fixed cover, be provided with the antifriction part.
3. chain gear apparatus according to claim 1, it is characterized in that: also be provided with unidirectional load transfer device, between the outside of chain sprocket structure inboard and interior engagement carousel gear small end unidirectional load transfer device is housed, be provided with the antifriction part between chain sprocket structure and interior engagement carousel gear, fixed cover, be provided with the antifriction part between interior engagement carousel gear and adapter plate, sun gear is captiveed joint with fixed cover.
4. according to claim 2 or 3 described chain gear apparatus, it is characterized in that: also be provided with locating bush, locating bush all cooperates with adapter plate, fixed cover.
5. according to claim 2 or 3 described chain gear apparatus, it is characterized in that: also be provided with T type nut, T type nut cooperates with the battery-driven car hind axle.
6. chain gear apparatus, comprise chain sprocket structure, fixed cover, it is characterized in that: engagement carousel gear, planetary wheel, sun gear, adapter plate in also being provided with, chain sprocket structure is connected with sun gear, and planetary wheel is installed on the protruding axle of adapter plate, and sun gear is positioned at the centre of adapter plate, interior bonding ladder carousel gear and planetary wheel engagement, planetary wheel and sun gear engagement, interior engagement carousel gear and adapter plate are rotationally connected, and fixed cover is connected with the center of interior engagement carousel gear.
7. chain gear apparatus according to claim 6, it is characterized in that: also be provided with locating bush, locating bush is positioned at the inboard of chain sprocket structure and is connected with fixed cover, chain sprocket structure is captiveed joint with sun gear, and constitute the fixed body that can not rotate mutually, between this fixed body and locating bush, be equipped with the antifriction part between interior engagement carousel gear and adapter plate.
8. according to claim 6 or 7 described chain gear apparatus, it is characterized in that: chain sprocket structure is the chain wheel set that one group of diameter sprocket wheel different and that be fixed together is formed, and also is provided with fixedly end cap, and chain wheel set is captiveed joint with fixing end cap.
9. battery-driven car, comprise stretcher, chain, the protruding axle of motor, hind axle and back vent, stretcher is connected with chain, it is characterized in that: the described chain gear apparatus of the arbitrary claim of claim 1～5 is installed on the hind axle, chain is connected with chain sprocket structure, chain gear apparatus is fixing by fixed cover and the protruding axle of motor, adapter plate and back vent heavy keying fit.
10. battery-driven car, comprise stretcher, chain, axis, bottom bracket axle, fixed mount and stretcher, it is characterized in that: claim 6 or 7 described chain gear apparatus are installed on the axis, fixed mount is connected with bottom bracket axle, fixed mount is connected with adapter plate, and stretcher is connected with axis, and the fixed cover in the middle of the interior bonding ladder carousel gear cooperates with axis, chain sprocket structure is connected with chain, and chain is connected with hind axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201098748U CN201633874U (en) | 2010-02-08 | 2010-02-08 | Chain wheel device and electric motorcar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201098748U CN201633874U (en) | 2010-02-08 | 2010-02-08 | Chain wheel device and electric motorcar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201633874U true CN201633874U (en) | 2010-11-17 |
Family
ID=43078357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201098748U Expired - Lifetime CN201633874U (en) | 2010-02-08 | 2010-02-08 | Chain wheel device and electric motorcar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201633874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797951B (en) * | 2010-02-08 | 2013-01-09 | 蒋国良 | Chain wheel device and electric vehicle |
-
2010
- 2010-02-08 CN CN2010201098748U patent/CN201633874U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797951B (en) * | 2010-02-08 | 2013-01-09 | 蒋国良 | Chain wheel device and electric vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20130306 |
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| RGAV | Abandon patent right to avoid regrant |