CN202301558U - Clutch and variable speed gear thereof - Google Patents
Clutch and variable speed gear thereof Download PDFInfo
- Publication number
- CN202301558U CN202301558U CN2011204457751U CN201120445775U CN202301558U CN 202301558 U CN202301558 U CN 202301558U CN 2011204457751 U CN2011204457751 U CN 2011204457751U CN 201120445775 U CN201120445775 U CN 201120445775U CN 202301558 U CN202301558 U CN 202301558U
- Authority
- CN
- China
- Prior art keywords
- gear
- ratchet
- clutch
- round casing
- engaging
- 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 utility model discloses a clutch and a variable speed gear thereof. A gear A is fixed on the side of a round shell, the inner hole of the gear A is sheathed on a rotating shaft by virtue of a bearing; the round shell is internally provided with a clutch wheel, a throwing block of the clutch wheel is pulled up inward by a spring, the throwing block is provided with a guide block, the guide block is arranged in a guide rail at the inner side of a side plate and slides along radial direction; a pawl on the throwing block is matched with a neck on the round shell, when rotating speed of the clutch wheel reaches up to the critical rotating speed, the pawl is thrown out under the action of centrifugal force, and the pawl is blocked in the neck, thus rotation of the clutch wheel drives the rotation of the round shell and the gear A. The clutch disclosed by the utility model has the beneficial effects that: a blocking position type combined manner is adopted, thus the clutch can be frequently started, and no friction heat radiation problem exists; the combined rotating speed of the clutch is normal working speed, and less kinetic energy is consumed; volume is smaller, thus being applicable to an occasion such as an electric vehicle; and when the clutch is applied to the electric vehicle, a starting current can be reduced, service life of a storage battery can be prolonged, and traveled distance can be increased.
Description
Technical field
The utility model relates to machinery, further is clutch and speed change gear thereof.
Background technique
At present, the electric bicycle development rapidly.But in the existing technology, its power adopts rearmounted slowspeed machine mostly, there is certain shortcoming: 1, load-carrying or climbing or when starting, electric current is big, and storage battery is had bigger infringement, influences the working life of storage battery; 2, after the car load center of gravity was leaned on, when riding, electric efficiency was low, and distance travelled is less; When 3, riding, when trailing wheel receives greater impact power, fragile motor.
For solving these shortcomings, gearbox is set is necessary, and the traditional centrifugal clutch adopts the friction combination usually; In use, there is following shortcoming: 1, can not frequent starting, otherwise be prone to because of the friction heating; Influence the working life of parts, even damage parts; 2, the rotating speed during proper functioning differs bigger with combining rotating speed; 3, volume is bigger, when particularly requiring clutch low speed.
Summary of the invention
The purpose of the utility model is to provide a kind of clutch and speed change gear thereof, and it can frequent starting and unlikely heating, and volume is less, just can proper functioning in conjunction with rotating speed.
The purpose of the utility model realizes through following scheme:
A kind of clutch is characterized in that: gear A is fixed in the side of round casing, and the endoporus of gear A is placed on the rotatingshaft through bearing; Round casing is built-in with clutch pinion, and clutch pinion is fixed on the rotatingshaft, clutch pinion get rid of piece by spring in axle to pulling, get rid of guide block be set on the piece, guide block places in the inboard guide rail of side plate, can radially slide; The ratchet that gets rid of on the piece matches with draw-in groove on the round casing, and when the rotating speed of clutch pinion reached critical speed of rotation, under action of centrifugal force, ratchet was thrown out of, and is stuck in the draw-in groove, thereby the rotation of clutch pinion drives the rotation of round casing and gear A.
The purpose of the utility model is further to realize through following scheme:
The structure of described clutch pinion is: two side plate middle parts with holes are fixed on the collar, and cover is located on the rotatingshaft; Two get rid of piece is arranged at the relative both sides of inner sleeve, connects through spring, is provided with ratchet in the outer of getting rid of piece, gets rid of guide block is set on the piece, and guide block places in the inboard guide rail of side plate, can radially slide.
Described clutch is provided with damping device, and its structure is: the outer getting rid of piece is provided with ratchet, and ratchet is a bascule; Promptly peripheral groove is set getting rid of on the outer of piece; Corresponding groove handle is set on the ratchet, and the groove handle places groove, and ratchet can move forward and backward along circumference in the outer of getting rid of piece; The ratchet rear portion connects the back jacking block through damping spring, and back jacking block is fixed in and gets rid of on the piece; Draw-in groove is gradually dark arcuate structure.
Described clutch is provided with damping device, and its structure is: the collar is divided into inner sleeve and outer sleeve, and inner sleeve is fixed on the rotatingshaft, and the outer sleeve pine is placed on the inner sleeve, and outer sleeve can rotate in the inner sleeve outer ring; The inner sleeve convexity is set outside inner sleeve, the outer sleeve convexity is set in the collar outside, between inner sleeve convexity and outer sleeve convexity damping spring is set.
Described driving shaft and driven shaft pass through bearing fixing in gear-box case; Be disposed with the gear A and the round casing of gear D and clutch on the driving shaft; Be disposed with gear C and gear B on the driven shaft; Be provided with ratchet in the gear C, ratchet is fixed on the driven shaft; Wherein: gear D engaging gear C; Gear A engaging gear B.
Described driving shaft, driven shaft, through bearing fixing on gear-box case or fixing frame; Be disposed with gear A and the round casing of gear D, clutch A on the driving shaft; The gear A of clutch B ' and round casing '; Be disposed with on the driven shaft gear C, gear B and gear B '; Be respectively arranged with in gear C, the gear B ratchet, ratchet ', ratchet, ratchet ' all be fixed on the driven shaft; Wherein: gear D engaging gear C; Gear A engaging gear B; Gear A ' engaging gear B '.
Described driving shaft, driven shaft, through bearing fixing on gear-box case or fixing frame; Be disposed with on the driving shaft gear D ', the gear A and the round casing of gear D, clutch, clutch pinion is set in the round casing; Be disposed with on the driven shaft gear C ', gear C and gear B; Be respectively arranged with in gear C, the gear B ratchet, ratchet ', ratchet, ratchet ' all be fixed on the driven shaft; Wherein: gear D ' engaging gear C '; Gear D engaging gear C; Gear A engaging gear B; Gear C ' built-in contrary ratchet, contrary ratchet and ratchet, ratchet ' be provided with in the opposite direction.
Described driving shaft, driven shaft, through bearing fixing on gear-box case or fixing frame; Be disposed with on the driving shaft gear D ', gear A and the round casing of gear D, clutch A, clutch pinion is set in the round casing; The gear A of clutch B ' and round casing ', round casing ' in be provided with clutch pinion '; Be disposed with on the driven shaft gear C ', gear C, gear B and gear B '; Gear C, gear B, gear B ' in be respectively arranged with ratchet, ratchet ', ratchet 〞, ratchet, ratchet ', ratchet 〞 all is fixed on the driven shaft; Wherein: gear D ' engaging gear C '; Gear D engaging gear C; Gear A engaging gear B; Gear A ' engaging gear B '; The contrary ratchet of gear C ' built-in, contrary ratchet and ratchet, ratchet ', ratchet 〞 is provided with in the opposite direction.
Also be provided with motor shaft, motor shaft is provided with gear E, also is provided with gear F on the driving shaft; Gear E engaging gear F.
The beneficial effect of the utility model is: 1, because clutch adopts the plece-cliped type combination, thus can frequent starting, there is not the problem of friction heating; 2, its combination rotating speed is exactly the proper functioning rotating speed, and kinetic energy consumption is few; 3, volume is less, is fit to occasions such as electric bicycle and three-wheeled electric vehicle; 4, electric bicycle and electro-tricycle adopt the speed change gear that the clutch of the utility model is provided with, and can increase starting torque, reduce inrush current, thereby prolong the working life of storage battery, increase the distance travelled of electric motor car, improve efficiency of motor; 5, adopt the speed reducer of the utility model clutch and speed change gear setting, be fit to be arranged near the car load middle part (as being arranged at the pedal) of electric bicycle or electro-tricycle, also can be arranged on the trailing wheel.As be arranged at the car load middle part, and center of gravity is reasonable when going, and it is comfortable to ride; When trailing wheel receives greater impact power,, drive and separate, help modularization production with trailing wheel to almost not influence of motor.
Description of drawings
Fig. 1 is the utility model clutch configuration schematic representation; Fig. 2 is the utility model clutch side-looking structural representation; Fig. 3 is the clutch side-looking structural representation of the utility model band damping device, and Fig. 4 is another clutch part structure schematic side view of the utility model band damping device, and Fig. 5 is the utility model second gear gearbox designs schematic representation; Fig. 6 is the utility model three class gear box structural representation, and Fig. 7 is the three class gear box structural representation of the utility model band reverse gear.
Among the figure: 1 is gear A, and 2 is round casing, and 3 is standing screw, and 4 for getting rid of piece, and 5 is ratchet; 6 is side plate, and 7 is draw-in groove, and 8 is spring, and 9 is inner sleeve; 10 is outer sleeve, and 11 is guide block, and 12 is movable ratchet, and 13 is damping spring; 14 is the back jacking block, and 15 is that inner sleeve is protruding, and 16 is damping spring, and 17 is that outer sleeve is protruding; 18 is gear-box case, and 19 is driven shaft, and 20 is gear B, and 21 is gear C, and 22 is ratchet; 23 is driving shaft, and 24 is gear D, 25 be gear A ', 26 be round casing ', 27 be gear B '; 28 be ratchet ', 29 is gear E, 30 is motor shaft, 31 is the motor shaft fixing frame, 32 is gear F; 33 is ratchet 〞, 34 be gear C ', 35 is contrary ratchet, 36 be gear D '.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, and make the above-mentioned purpose of the utility model, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing and embodiment the utility model done further detailed explanation.
Embodiment 1-3 is clutch embodiment.Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4.Fig. 1, Fig. 2 are the clutch principle structure that does not add damping device.Fig. 3, Fig. 4 are the clutches that has added damping device.
Embodiment 1:
Like Fig. 1, shown in Figure 2; The formation of clutch is: gear A 1 is fixed in the side (both can be integral structures) of round casing 2; The endoporus of gear A 1 is placed in (also there is endoporus in corresponding round casing 2 side central authorities, and promptly the side is an annulus) on the rotatingshaft through bearing; Round casing 2 is built-in with clutch pinion, and the structure of clutch pinion is: two side plate with holes 6 middle parts are fixed on the inner sleeve 9 (inner sleeve 9 is placed in the rotatingshaft coaxial with gear A 1), and fixing through two standing screws 3; Outside the inner sleeve 9 outer sleeve 10 can be set, outer sleeve 10 is fastenedly connected with inner sleeve 9, and two get rid of piece 4 is arranged at outer sleeve 10 relative both sides; Through about two springs 8 connect; Two get rid of piece 4 nearly center of circle side be close on the outer sleeve 10, be provided with ratchet 5 in the outer of getting rid of piece 4, get rid of guide block 11 be set on the piece 4; Guide block 11 places in the guide rail of side plate 6 inboards, thereby the pulling force that can under certain power or action of centrifugal force, overcome spring 8 radially slides; Ratchet 5 cooperates with draw-in groove 7 on being arranged at round casing 2, and ratchet 5 drives the rotation of round casings 2 and gear A 1; When the rotating speed subcritical rotating speed of clutch pinion, ratchet 5 under the effect of spring 8 pulling force, be in motionless, thereby the rotation of clutch pinion can not influence round casing 2 and gear A 1; When the rotating speed of clutch pinion reached critical speed of rotation, under action of centrifugal force, ratchet 5 was thrown out of, and is stuck in the draw-in groove 7, thereby the rotation of clutch pinion drives the rotation of round casing 2 and gear A 1.
Embodiment 2:
As shown in Figure 3; As embodiment 1 improvement, the formation of clutch is: be provided with movable ratchet 12 (having any different with the ratchet 5 among the embodiment 1) in the outer of getting rid of piece 4, movable ratchet 12 is a bascule; Promptly on the outer of getting rid of piece 4, peripheral groove is set; On the movable ratchet 12 corresponding groove handle is set, the groove handle places groove, and the outer that movable ratchet 12 is limited in getting rid of piece 4 moves forward and backward along circumference; Movable ratchet 12 rear portions connect back jacking block 14 through damping spring 13, and back jacking block 14 is fixed in and gets rid of on the piece 4; Movable ratchet 12 cooperates with draw-in groove 7 on being arranged at round casing 2, and draw-in groove 7 is gradually dark arcuate structure.All the other structures and action principle are identical with embodiment 1, no longer tired stating.When the rotating speed of clutch pinion reached critical speed of rotation, movable ratchet 12 cooperated with draw-in groove 7, because the existence of damping spring 13, movable ratchet 12 plays the effect of buffering when combining with draw-in groove 7.Therefore, adopt structure shown in Figure 3, the impact force in the time of can alleviating the speed-raising gear shift effectively.
Embodiment 3:
As shown in Figure 4; Improvement as embodiment 1; The formation of clutch is: damping device is arranged at 10 of inner sleeve 9 and outer sleeves, and concrete structure is: inner sleeve 9 is connected with outer sleeve 10, no longer image pattern 1, Fig. 2 and fixed tightly being placed in together shown in Figure 3; But adopt outer sleeve 10 pines are placed on the inner sleeve 9, outer sleeve 10 can rotate in inner sleeve 9 outer rings; Inner sleeve convexity 15 is set outside inner sleeve 9, outer sleeve convexity 17 is set in the collar 10 outside, protruding 17 of inner sleeve protruding 15 and outer sleeve are provided with damping spring 16, and all the other structures are identical with Fig. 1 and Fig. 2, no longer tired stating; When the rotating speed of clutch pinion reached critical speed of rotation, the ratchet 5 on the outer sleeve 10 cooperated (referring to Fig. 2) with draw-in groove 7, because the existence of damping spring 16, ratchet 5 plays the effect of buffering when combining with draw-in groove 7.Therefore, adopt structure shown in Figure 4, the impact force in the time of can alleviating the speed-raising gear shift effectively.
Embodiment 4-6 is gearbox embodiment.Like Fig. 5, Fig. 6, shown in Figure 7.Fig. 5 is 2 grades of gearbox embodiments, and Fig. 6 is 3 grades of gearbox embodiments, and Fig. 7 is 3 grades of gearbox embodiments of band reverse gear.
Embodiment 4:
As shown in Figure 5, the formation of 2 grades of gearboxes is:
Wherein: gear D 24 engaging gear C21 (wherein: the number of teeth of gear D 24 is less than the number of teeth of gear C 21, and the number of teeth generally can be provided with by 1:2-5, thereby reaches the purpose that one-level is slowed down); Gear A 1 engaging gear B20.
When rotating speed is low (1 grade), when driving shaft 23 rotated, gear D 24 driven gear C21 rotated thereby drive driven shaft 19.
When rotating speed is higher (2 grades), round casing 2 is driven by clutch pinion, thus gear A 1 driven gear B20, at this moment, gear C 21 rotating speeds surpass the rotating speed of gear D 24, because the effect of ratchet 22, gear C 21 is in idling conditions.
Embodiment 5:
As shown in Figure 6, the formation of 3 grades of gearboxes is:
Wherein: gear E29 engaging gear F32 (wherein: the number of teeth of gear E29 is less than the number of teeth of gear F32, and the number of teeth generally can be provided with by 1:2-5, thereby reaches the purpose that one-level is slowed down); Gear D 24 engaging gear C21 (wherein: the number of teeth of gear D 24 is less than the number of teeth of gear C 21, and the number of teeth generally can be provided with by 1:2-5, thereby reaches the purpose of double reduction); Gear A 1 engaging gear B20; Gear A ' 25 engaging gear B ' 27.
When rotating speed is low (1 grade), motor shaft 30 rotates, and gear E29 engaging gear F32 rotates thereby drive driving shaft 23; When driving shaft 23 rotated, gear D 24 driven gear C21 rotated thereby drive driven shaft 19.
When rotating speed is higher (2 grades), round casing 2 is driven by the clutch pinion among the clutch A, thus gear A 1 driven gear B20, at this moment, gear C 21 rotating speeds surpass the rotating speed of gear D 24, because the effect of ratchet 22, gear C 21 is in idling conditions.
When rotating speed is high again (3 grades); Round casing among the clutch B ' 26 are driven by clutch pinion, thus gear A ' 25 driven gear B ' 27, at this moment; Gear C 21 rotating speeds surpass the rotating speed of gear D 24; The rotating speed of gear B 20 surpasses the rotating speed of gear A 1, because the effect of ratchet 22, ratchet ' 28 separately, gear B 20 all is in idling conditions with gear C 21.
Embodiment 6:
As shown in Figure 7, the formation of 3 grades of gearboxes of band reverse gear is:
On embodiment 5 basis, increase ratchet 〞 33, gear C ' 34, contrary ratchet 35, gear D ' 36.
Wherein, ratchet 〞 33 is arranged in gear B ' 27, and promptly gear B ' 27 are fixed on the driven shaft 19 through ratchet 〞 33; Gear C ' 34 are arranged on the driven shaft 19, with gear D ' 36 engagements that are arranged on the driving shaft 23; The built-in contrary ratchet 35 in gear C ' 34, contrary ratchet 35 is provided with in the opposite direction with ratchet 22, ratchet ' 28, ratchet 〞 33.
When use low in during high third gear, its method is with embodiment 5.At this moment, because the existence of contrary ratchet 35, gear C ' 34 are in idling conditions.
When using reverse gear, driving shaft 23 counter-rotatings, because the effect of ratchet 22, ratchet ' 28, ratchet 〞 33, gear C 21, gear B 20, gear B ' 27 all are in idling conditions.At this moment, contrary ratchet 35 driven gear C ' 34 rotate.
The above; Be merely the embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.
Claims (10)
1. clutch, it is characterized in that: gear A is fixed in the side of round casing, and the endoporus of gear A is placed on the rotatingshaft through bearing; Round casing is built-in with clutch pinion, and clutch pinion is fixed on the rotatingshaft, clutch pinion get rid of piece by spring in axle to pulling, get rid of guide block be set on the piece, guide block places in the inboard guide rail of side plate, can radially slide; The ratchet that gets rid of on the piece matches with draw-in groove on the round casing, and when the rotating speed of clutch pinion reached critical speed of rotation, under action of centrifugal force, ratchet was thrown out of, and is stuck in the draw-in groove, thereby the rotation of clutch pinion drives the rotation of round casing and gear A.
2. clutch according to claim 1 is characterized in that: the structure of described clutch pinion is: two side plate middle parts with holes are fixed on the collar, and cover is located on the rotatingshaft; Two get rid of piece is arranged at the relative both sides of inner sleeve, connects through spring, is provided with ratchet in the outer of getting rid of piece, gets rid of guide block is set on the piece, and guide block places in the inboard guide rail of side plate, can radially slide.
3. clutch according to claim 2 is characterized in that: described clutch is provided with damping device, and its structure is: the outer getting rid of piece is provided with ratchet; Ratchet is a bascule, promptly peripheral groove is set getting rid of on the outer of piece, and corresponding groove handle is set on the ratchet; The groove handle places groove; Ratchet can move forward and backward along circumference in the outer of getting rid of piece, and the ratchet rear portion connects the back jacking block through damping spring, and back jacking block is fixed in and gets rid of on the piece; Draw-in groove is gradually dark arcuate structure.
4. clutch according to claim 2; It is characterized in that: described clutch is provided with damping device, and its structure is: the collar is divided into inner sleeve and outer sleeve, and inner sleeve is fixed on the rotatingshaft; The outer sleeve pine is placed on the inner sleeve, and outer sleeve can rotate in the inner sleeve outer ring; The inner sleeve convexity is set outside inner sleeve, the outer sleeve convexity is set in the collar outside, between inner sleeve convexity and outer sleeve convexity damping spring is set.
5. the gearbox of a utilization such as claim 3 or 4 said clutches is characterized in that: described driving shaft and driven shaft through bearing fixing in gear-box case; Be disposed with the gear A and the round casing of gear D and clutch on the driving shaft, clutch pinion is set in the round casing; Be disposed with gear C and gear B on the driven shaft; Be provided with ratchet in the gear C, ratchet is fixed on the driven shaft; Wherein: gear D engaging gear C; Gear A engaging gear B.
6. the gearbox of a utilization such as claim 3 or 4 said clutches is characterized in that: described driving shaft, driven shaft, through bearing fixing on gear-box case or fixing frame; Be disposed with gear A and the round casing of gear D, clutch A on the driving shaft, clutch pinion is set in the round casing; The gear A of clutch B ' and round casing ', round casing ' in be provided with clutch pinion '; Be disposed with on the driven shaft gear C, gear B and gear B '; Be respectively arranged with in gear C, the gear B ratchet, ratchet ', ratchet, ratchet ' all be fixed on the driven shaft; Wherein: gear D engaging gear C; Gear A engaging gear B; Gear A ' engaging gear B '.
7. the gearbox of a utilization such as claim 3 or 4 said clutches is characterized in that: described driving shaft, driven shaft, through bearing fixing on gear-box case or fixing frame; Be disposed with on the driving shaft gear D ', the gear A and the round casing of gear D, clutch, clutch pinion is set in the round casing; Be disposed with on the driven shaft gear C ', gear C and gear B; Be respectively arranged with in gear C, the gear B ratchet, ratchet ', ratchet, ratchet ' all be fixed on the driven shaft; Wherein: gear D ' engaging gear C '; Gear D engaging gear C; Gear A engaging gear B; Gear C ' built-in contrary ratchet, contrary ratchet and ratchet, ratchet ' be provided with in the opposite direction.
8. the gearbox of a utilization such as claim 3 or 4 said clutches is characterized in that: described driving shaft, driven shaft, through bearing fixing on gear-box case or fixing frame; Be disposed with on the driving shaft gear D ', gear A and the round casing of gear D, clutch A, clutch pinion is set in the round casing; The gear A of clutch B ' and round casing ', round casing ' in be provided with clutch pinion '; Be disposed with on the driven shaft gear C ', gear C, gear B and gear B '; Gear C, gear B, gear B ' in be respectively arranged with ratchet, ratchet ', ratchet 〞, ratchet, ratchet ', ratchet 〞 all is fixed on the driven shaft; Wherein: gear D ' engaging gear C '; Gear D engaging gear C; Gear A engaging gear B; Gear A ' engaging gear B '; The contrary ratchet of gear C ' built-in, contrary ratchet and ratchet, ratchet ', ratchet 〞 is provided with in the opposite direction.
9. gearbox according to claim 5 is characterized in that: also be provided with motor shaft, motor shaft is provided with gear E, also is provided with gear F on the driving shaft; Gear E engaging gear F.
10. gearbox according to claim 6 is characterized in that: also be provided with motor shaft, motor shaft is provided with gear E, also is provided with gear F on the driving shaft; Gear E engaging gear F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204457751U CN202301558U (en) | 2011-11-11 | 2011-11-11 | Clutch and variable speed gear thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204457751U CN202301558U (en) | 2011-11-11 | 2011-11-11 | Clutch and variable speed gear thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301558U true CN202301558U (en) | 2012-07-04 |
Family
ID=46370464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204457751U Expired - Fee Related CN202301558U (en) | 2011-11-11 | 2011-11-11 | Clutch and variable speed gear thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301558U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881478A (en) * | 2012-10-15 | 2013-01-16 | 无锡江南奕帆电力传动科技股份有限公司 | Spring return type centrifugal clutch |
| CN104482131A (en) * | 2014-12-03 | 2015-04-01 | 厦门跃众机电科技有限公司 | Gearbox of electric tricycle |
| CN106576446A (en) * | 2016-10-19 | 2017-04-26 | 浙江亚特电器有限公司 | Hybrid power rotary cultivator |
| CN107068475A (en) * | 2017-04-24 | 2017-08-18 | 平高集团有限公司 | A kind of transmission limit device |
-
2011
- 2011-11-11 CN CN2011204457751U patent/CN202301558U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881478A (en) * | 2012-10-15 | 2013-01-16 | 无锡江南奕帆电力传动科技股份有限公司 | Spring return type centrifugal clutch |
| CN102881478B (en) * | 2012-10-15 | 2015-07-08 | 无锡江南奕帆电力传动科技股份有限公司 | Spring return type centrifugal clutch |
| CN104482131A (en) * | 2014-12-03 | 2015-04-01 | 厦门跃众机电科技有限公司 | Gearbox of electric tricycle |
| CN104482131B (en) * | 2014-12-03 | 2017-10-10 | 厦门跃众机电科技有限公司 | A kind of gear box in electric tricycle |
| CN106576446A (en) * | 2016-10-19 | 2017-04-26 | 浙江亚特电器有限公司 | Hybrid power rotary cultivator |
| CN107068475A (en) * | 2017-04-24 | 2017-08-18 | 平高集团有限公司 | A kind of transmission limit device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2204316B1 (en) | Drive system for driving a vehicle wheel | |
| CN102410317B (en) | Centrifugal clutch and electric vehicle gear-shifting drive hub with same | |
| CN202301558U (en) | Clutch and variable speed gear thereof | |
| CN101311578A (en) | Driving speed-changing mechanism of electric vehicle | |
| CN202628958U (en) | Two-section automatic speed change mechanism for electric vehicle | |
| CN113022776A (en) | Two-speed in-wheel motor and vehicle that can shift gears automatically | |
| CN201046758Y (en) | Electric vehicle driving speed-change gear | |
| CN201570943U (en) | Automatic speed changing motor of electric motor car | |
| CN203784210U (en) | Speed change structure of electric vehicle | |
| CN103001389B (en) | The automobile-used built-in motor of electrical salf-walking | |
| CN201071103Y (en) | Special steel electric motor of electric power driven car | |
| CN103448530B (en) | A kind of wheel hub drive | |
| CN205178756U (en) | Variable speed in -wheel motor | |
| CN215361728U (en) | Two-speed in-wheel motor and vehicle that can shift gears automatically | |
| CN201268382Y (en) | Drive apparatus of electric bicycle | |
| CN212500858U (en) | Motorcycle electric power assembly | |
| CN201717725U (en) | Automatic transmission motor of electric vehicle | |
| CN204916034U (en) | Energy -conserving electronic wheel | |
| CN211151726U (en) | Double-clutch variable-speed hub | |
| CN201120946Y (en) | Wind spring dynamic force bicycle | |
| CN201118352Y (en) | Shift bearing deceleration wheel hub electromotor for electric car | |
| CN201834171U (en) | Automatic transmission for electric vehicle | |
| CN203796797U (en) | Clutch capable of realizing automatic speed changing | |
| CN201559793U (en) | Novel automatic clutch driving device of motorcycle | |
| CN103895799B (en) | A kind of automatic speed-changing system |
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: 20120704 Termination date: 20121111 |