CN204775797U - Electric bicycle's transmission connects - Google Patents
Electric bicycle's transmission connects Download PDFInfo
- Publication number
- CN204775797U CN204775797U CN201520380775.6U CN201520380775U CN204775797U CN 204775797 U CN204775797 U CN 204775797U CN 201520380775 U CN201520380775 U CN 201520380775U CN 204775797 U CN204775797 U CN 204775797U
- Authority
- CN
- China
- Prior art keywords
- connector
- ratchet
- bearing
- electrical bicycle
- outside
- 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
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses an electric bicycle's transmission connects, including the connector, be equipped with the ladder through -hole in the connector, the large aperture section of connector is equipped with the internal thread that is used for the connection, be equipped with first bearing in the second ladder through -hole of connector, the connector is equipped with multistage step outward, the outside of connector middle part distributes along circumference has a plurality of pawl grooves, and each pawl inslot is equipped with the pawl, and the joint has a detent spring on the pawl, and the ratchet is installed through the second bearing to the lateral wall of connector, detent spring, pawl and gearing cooperate and constitute ratchet, the outside of ratchet is overlapped admittedly and is had a back driven gear, be equipped with fixed lid on the second bearing, it covers screw -thread fit on the ratchet to fix. The utility model discloses simple structure, high transmission efficiency, stability are good, the condition of ratchet structural failure can not appear, the erection joint between driving motor and the transmission assembly be convenient for, and it is with low costs.
Description
Technical field
The utility model relates to bicycle, is specifically related to a kind of drive joint of Electrical Bicycle.
Background technology
The type of drive of conventional electric bicycle adopts sprocket wheel chain gear, although this drive mechanism is provided with chain baffle plate, but still belong to open-drive configuration, the trouser legs of bicyclist or shirt rim are easy to be wound around by chain or sprocket wheel or break by the teeth, even cause bicyclist to fall down and cause property or personal injury.Meanwhile, after speed improves, chain easy telomere or come off in use for some time, needs again to safeguard or install, brings many worries to bicyclist.In recent years market occurred that transmitter shaft replaced the driving system of chain gear, but existing drive motor with need between shaft drive to adopt special flower-drum to be connected, therefore need buy or make special instrument, be unfavorable for upkeep operation, financial cost is caused to increase, during after-sales service simultaneously, the work capacity of maintainer is large.Standard bicycle transmitter shaft cannot apply on the rear motor of Electrical Bicycle simultaneously, makes Electrical Bicycle bring bottleneck towards shaft drive development.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of drive joint of Electrical Bicycle is provided, this drive joint can be used in common flower-drum, realize Electrical Bicycle simultaneously and use plain shaft transmission, ensure the normal operation of driving system, reduce costs, improve the high and efficiency of assembling of transmitting ratio.
The purpose of this utility model can be achieved through the following technical solutions.
A kind of drive joint of Electrical Bicycle, it is characterized in that: comprise connector, be provided with ladder hole in described connector, the large aperture section of described connector is provided with the negative thread for connecting, be provided with clutch shaft bearing in described connector, by ladder hole, axial limiting carried out to clutch shaft bearing; Multi-stage stairs is provided with outside described connector, the outer middle side part of described connector is circumferentially distributed with multiple pawl slot, ratchet is provided with in each pawl slot, ratchet is connected with click spring, the lateral wall of connector is provided with ratchet by the second bearing, described second bearing is against on the step outside connector, described click spring, pawl-and-gearing match formation ratchet device, the outside of described ratchet is installed with a rear driven gear, described second bearing is provided with fixed cap, and described fixed cap screw thread is engaged in outside ratchet.
The lateral wall of described connector is provided with the back-up ring for preventing the second bearing from moving axially.
The outside of described ratchet is provided with and stretches out, for locating the flange of rear driven gear.
The internal diameter of described flange is less than the external diameter of the corresponding step of connector.
The minimum inscribe circle diameter of described ratchet is less than the external diameter of described second bearing.
The outside of ratchet is provided with outside thread, ratchet and rear driven gear screw thread fit.
Described rear driven gear adopts spiral bevel.
Be provided with three grades of ladder holes in described connector, clutch shaft bearing is arranged in the second ladder hole of connector.
The internal diameter of described connector small-bore section is greater than the pivot shaft external diameter for installing.
Described second bearing is arranged on the minimum step of connector external diameter.
The beneficial effects of the utility model; The utility model transmission drive joint comprises connector, ladder hole is provided with in connector, the large aperture section of connector is provided with the negative thread for connecting, the large aperture section of connector is not only convenient to be connected with drive motor, be convenient to assembling, and increase the area of contact with drive motor, connector is connected more firm with drive motor.Being provided with the clutch shaft bearing for being arranged on pivot shaft in described connector, being arranged on pivot shaft by connector clutch shaft bearing, making drive joint lighter when rotating, by ladder hole, axial limiting being carried out to clutch shaft bearing; Multi-stage stairs is provided with outside described connector, the outer middle side part of described connector is circumferentially distributed with multiple ratchet, ratchet is connected with click spring, the lateral wall of connector is provided with ratchet by the second bearing, described click spring, pawl-and-gearing match formation ratchet device, the outside of described ratchet is installed with a rear driven gear, and rear driven gear is solidly set on ratchet, and ratchet device achieves rear driven gear and freely connecting or being separated between connector; Described second bearing is provided with fixed cap, and described fixed cap screw thread is engaged on ratchet, prevents dust or other materials from falling into ratchet, thus avoid the impact on ratchet device by fixed cap.
Further, the lateral wall of described connector is provided with the back-up ring for preventing the second bearing from moving axially, and carries out spacing by back-up ring to ratchet.
Further: the outside of described ratchet is provided with and stretches out, for locating the flange of rear driven gear, the minimum inscribe circle diameter of described ratchet is less than the external diameter of described second bearing, well can play the situation preventing ratchet and rear driven gear from loosening, prevent ratchet structure to lose efficacy further.
Further: the internal diameter of described flange is less than the external diameter of the corresponding step of connector, by connector further ratchet carry out axial limiting.
Further: the outside of ratchet is provided with outside thread, ratchet and rear driven gear screw thread fit, it is more firm that the mode be threaded makes rear driven gear be connected with ratchet.
Further: described rear driven gear adopts spiral bevel, the features such as overlap coefficient is large, load-carrying capacity is strong, transmitting ratio is high, stable drive, noise are little that the utility model had.
Ratchet structure after the utility model between driven gear and connector is stable, can not lose efficacy.What adopted the utility model drive joint to ensure between drive motor with drive assembly is stablely connected, and improves driving efficiency, reduces the noise in transmission process, make the spare and accessory parts universalization of traditional automatic vehicle and Electrical Bicycle stronger.Therefore the utility model has structure simply, the features such as driving efficiency is high, transmission stability good, and noise is little, and cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of ratchet, click spring and ratchet;
Fig. 3 is the structural representation that the utility model is assemblied on Electrical Bicycle.
In accompanying drawing: 1 is connector, 2 is clutch shaft bearing, 3 is pawl slot, 4 is ratchet, 5 is click spring, 6 is the second bearing, 7 is back-up ring, 8 is ratchet, 9 is rear driven gear, 10 is fixed cap, 11 is back-wheel drive motor, outwardly extending portion 11-1, 12 is Rear wheel support axle, 13 is lower-left chain stay, 14 is frame five-through, 15 is axis, 16 is front casing, 17 is front drive bevel gear, 18 is transmitter shaft, 19 is pillar, 20 is front driven wheel of differential, 21 is rear drive bevel gear, 22 is the 4th bearing, 23 is the 3rd bearing, 24 is rear box, 24-1 is connecting portion, 25 is setting nut, 26 is cover of dust, 27 is motor locking nut, 28 is packing ring.
Specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See shown in Fig. 1 to Fig. 3, a kind of drive joint of Electrical Bicycle, comprise connector 1, at least three grades of ladder holes are provided with in described connector 1, three grades of ladder holes are provided with in connector 1 in the present embodiment, for most preferred embodiment, the large aperture section of described connector 1 is provided with the negative thread for connecting, and the large aperture section of described connector 1 is used for being connected with motor; The clutch shaft bearing 2 for being arranged on Electrical Bicycle pivot shaft is provided with in second ladder hole of described connector 1, carry out spacing by ladder hole to clutch shaft bearing 2, described clutch shaft bearing 2 adopts needle bearing, connector 1 is slidably fitted on Electrical Bicycle pivot shaft by clutch shaft bearing 2, the minimum diameter of described connector 1 is greater than the Electrical Bicycle pivot shaft external diameter for installing, and the intersegmental gap in small-bore of connector 1 is engaged on Electrical Bicycle pivot shaft.At least three grades of steps are provided with outside described connector 1, in the present embodiment, the lateral wall of connector is provided with level Four step, the external diameter of first order step is minimum, the external diameter of fourth stage step is maximum, second stage step outside described connector 1 is circumferentially distributed with multiple pawl slot 3, ratchet 4 is provided with in each pawl slot 3, click spring groove is equipped with outside connector 1 He on ratchet 4, in described click spring groove, click spring 5 is installed, first order step outside connector 1 is provided with the second bearing 6 and the back-up ring 7 for preventing the second bearing from moving axially, second bearing 6 carries out axial limiting by the second stage step outside connector 1, outside interference fit one ratchet 8 of described second bearing 6, the minimum inscribe circle diameter of described ratchet 8 is less than the external diameter of described second bearing 6, described click spring 5, ratchet 4 and ratchet 8 match formation ratchet device, the lateral wall of described ratchet 8 is provided with outside thread, driven gear 9 after ratchet 8 outer sheathed, ratchet 8 and rear driven gear 9 screw thread fit, described rear driven gear 9 adopts spiral bevel, the outside of described ratchet 8 is also provided with and stretches out, for locating the flange 8-1 of rear driven gear, the internal diameter of described flange 8-1 is less than the external diameter of the corresponding step of connector 1, well can play the situation preventing ratchet 8 and rear driven gear 9 from loosening, prevent ratchet structure to lose efficacy further.Fourth stage step outside described connector 1 is used for stepping down for rear driven gear 9.Described second bearing 6 is provided with fixed cap 10, and described fixed cap 10 is provided with through hole, and the aperture of described through hole is less than the external diameter of described second bearing 6, and described fixed cap 10 screw thread fit is in the outside of ratchet 8, and the end of fixed cap 10 pushes against rear driven gear 9.
Principle of work of the present utility model:
Connector is threaded mutually with the drum head of electric bike shell or common flower-drum, during due to electric bike shell or the work of common flower-drum, the axle center running through motor and flower-drum is fixed on vehicle frame, motor casing for electric bicycle and flower-drum skin carry out cw or left-hand revolution, because the rear driven gear of rear drive gear and drive joint engages each other, rear drive gear, spline joint between front driven gear and transmitter shaft, front driven gear and front driving gear engage each other, spline joint between front driving gear and axis, be rigidly connected between axis and stretcher, cause between axis and rear driven gear and be mutually synchronized with the movement, because vehicle unavoidably can because the speed of a motor vehicle be too fast in ride, stretcher quits work, vehicle continues to move ahead along inertia, due to above-mentioned operating characteristic, when stretcher stops, the rear driven gear that rear axle connects remains static, because vehicle continues to move ahead along inertia, under the effect on ratchet inclined-plane, ratchet departs from the active flank of ratchet, realize work.When axis cw works, rear driven gear is in cw mode of operation, because ratchet is upspring under the effect of click spring, engage each other between ratchet and ratchet, therefore rear driven gear cannot rotate, due to assembly relation mutual between above-mentioned each parts, therefore drive motor or flower-drum operate, work.
Adopt the Electrical Bicycle of the utility model drive joint, the back-wheel drive motor 11 of described Electrical Bicycle is arranged on Rear wheel support axle 12, Rear wheel support axle 12 one end is connected with the left chain stay 13 of electric bicycle fame by auricle, described lower-left chain stay 13 other end is fixed on frame five-through 14, the shell of back-wheel drive motor 11 is rotor, rotor forms the wheel hub of Electrical Bicycle, the end cap of described back-wheel drive motor 11 is provided with outwardly extending portion 11-1, outwardly extending portion 11-1 is provided with outside thread, Rear wheel support axle 12 is through outwardly extending portion 11-1, the aperture of described outwardly extending portion 11-1 is greater than Rear wheel support axle 12 external diameter, described outwardly extending portion 11-1 is threaded with the large aperture section of the connector 1 of drive joint, the rear driven gear 9 of described drive joint is connected with axis 15 by transmitter shaft combination, casing 16 before described axis 15 is provided with one, the front drive bevel gear 17 of front casing 16 passes through screw thread fixed cover on axis 15.Described front casing 16 is arranged in the frame five-through 14 of electric bicycle fame.
Described transmitter shaft combination comprises transmitter shaft 18, be set in the pillar 19 outside transmitter shaft, be solidly set on front driven wheel of differential 20 and the rear drive bevel gear 21 at transmitter shaft two ends, be arranged on front casing 16 from mantle tooth 20 by the 4th bearing 22 before described, the front driven wheel of differential 20 of transmitter shaft 18 is meshed with the front drive bevel gear 17 on axis 15.Described rear drive bevel gear 21 is arranged in rear box 24 by the 3rd bearing 23, and the rear drive bevel gear 21 of transmitter shaft 18 is meshed with the rear driven gear 9 of drive joint.
Described rear box 24 is provided with the connecting portion 24-1 for being arranged on Rear wheel support axle 12, described connecting portion is provided with the opening 24-2 passed for Rear wheel support axle, the other end of described Rear wheel support axle 12 is connected with rear box 24, improves efficiency of assembling and reliability, saves maintenance time.Setting nut 25 is provided with inside the connecting portion 24-1 of described rear box 24 and between the connector 1 of drive joint, cover of dust 26 is provided with outside the connecting portion 24-1 of described rear box 24, Rear wheel support axle 12 is provided with the motor locking nut 27 for locking cover of dust 26, is provided with packing ring 28 between motor locking nut 27 and cover of dust 26.
The utility model may be used for the Electrical Bicycle of pre-driver motor and the Electrical Bicycle of rear centrally-mounted driving.
Working process of the present utility model:
Situation one, when middle shaft rotation, successively by the rear driven gear transmission of front drive bevel gear, front driven wheel of differential, transmitter shaft, rear drive bevel gear, drive joint, thus makes the rear driven gear of drive joint rotate.Because the rear driven gear of drive joint and ratchet are threaded connection, so ratchet is also in rotation, ratchet drives connector to rotate by ratchet, finally makes the shell of back-wheel drive motor rotate.
Situation two, similar with situation one, when axis contrarotation, ratchet can be transferred to make ratchet contrarotation, now cannot form transmission between ratchet and pawl to coordinate, so can not have an impact to connector when axis contrarotation, namely can not have an impact to the shell of back-wheel drive motor when axis contrarotation.
Situation three, when the shell of back-wheel drive motor normally rotates, connector synchronous rotary, now cannot form transmission and coordinate, can not have an impact so the shell of back-wheel drive motor rotates to ratchet between ratchet and pawl.
Wherein situation three can with situation together time run, situation three can be run with situation two simultaneously.
Claims (10)
1. the drive joint of an Electrical Bicycle, it is characterized in that: comprise connector, be provided with ladder hole in described connector, the large aperture section of described connector is provided with the negative thread for connecting, be provided with clutch shaft bearing in described connector, by ladder hole, axial limiting carried out to clutch shaft bearing; Multi-stage stairs is provided with outside described connector, the outer middle side part of described connector is circumferentially distributed with multiple pawl slot, ratchet is provided with in each pawl slot, ratchet is connected with click spring, the lateral wall of connector is provided with ratchet by the second bearing, described second bearing is against on the step outside connector, described click spring, pawl-and-gearing match formation ratchet device, the outside of described ratchet is installed with a rear driven gear, described second bearing is provided with fixed cap, and described fixed cap screw thread is engaged in outside ratchet.
2. the drive joint of a kind of Electrical Bicycle according to claim 1, is characterized in that: the lateral wall of described connector is provided with the back-up ring for preventing the second bearing from moving axially.
3. the drive joint of a kind of Electrical Bicycle according to claim 1, is characterized in that: the outside of described ratchet is provided with and stretches out, for locating the flange of rear driven gear.
4. the drive joint of a kind of Electrical Bicycle according to claim 3, is characterized in that: the internal diameter of described flange is less than the external diameter of the corresponding step of connector.
5. a kind of drive joint of Electrical Bicycle according to claim 1 or 3, is characterized in that: the minimum inscribe circle diameter of described ratchet is less than the external diameter of described second bearing.
6. the drive joint of a kind of Electrical Bicycle according to claim 1, is characterized in that: the outside of ratchet is provided with outside thread, ratchet and rear driven gear screw thread fit.
7. a kind of drive joint of Electrical Bicycle according to claim 1 or 6, is characterized in that: described rear driven gear adopts spiral bevel.
8. a kind of drive joint of Electrical Bicycle according to claim 1 or 2, is characterized in that: be provided with three grades of ladder holes in described connector, clutch shaft bearing is arranged in the second ladder hole of connector.
9. the drive joint of a kind of Electrical Bicycle according to claim 1, is characterized in that: the internal diameter of described connector small-bore section is greater than the pivot shaft external diameter for installing.
10. the drive joint of a kind of Electrical Bicycle according to claim 1, is characterized in that: described second bearing is arranged on the minimum step of connector external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380775.6U CN204775797U (en) | 2015-06-05 | 2015-06-05 | Electric bicycle's transmission connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380775.6U CN204775797U (en) | 2015-06-05 | 2015-06-05 | Electric bicycle's transmission connects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204775797U true CN204775797U (en) | 2015-11-18 |
Family
ID=54515899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520380775.6U Expired - Fee Related CN204775797U (en) | 2015-06-05 | 2015-06-05 | Electric bicycle's transmission connects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204775797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890802A (en) * | 2015-06-05 | 2015-09-09 | 宋兴辉 | Transmission connector of electric bicycle |
| TWI677453B (en) * | 2018-06-29 | 2019-11-21 | 桂盟企業股份有限公司 | Bevel gear device of transmission shaft |
-
2015
- 2015-06-05 CN CN201520380775.6U patent/CN204775797U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890802A (en) * | 2015-06-05 | 2015-09-09 | 宋兴辉 | Transmission connector of electric bicycle |
| CN104890802B (en) * | 2015-06-05 | 2017-11-10 | 四川新动脉汽车零部件制造有限公司 | The drive joint of electric bicycle |
| TWI677453B (en) * | 2018-06-29 | 2019-11-21 | 桂盟企業股份有限公司 | Bevel gear device of transmission shaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104859782B (en) | The transmission system assembly of rear motor electric bicycle | |
| CN204775797U (en) | Electric bicycle's transmission connects | |
| EP2818393B1 (en) | Electric hub device and electric bicycle | |
| CN205070681U (en) | Lead to axle inner rotor in -wheel motor | |
| CN201506213U (en) | Electric hub | |
| CN104890802A (en) | Transmission connector of electric bicycle | |
| CN102030071A (en) | Multifunctional assistant bicycle | |
| CN202717563U (en) | Anti-falling device | |
| CN204775801U (en) | Rearmounted motor electric bicycle's transmission system assembly | |
| CN102815650B (en) | Falling-protection device | |
| CN212500858U (en) | Motorcycle electric power assembly | |
| CN204674762U (en) | The mid-moment driving system that a kind of diaxon three grades slows down | |
| CN104859784B (en) | Drive assembly for bicycle | |
| CN201557008U (en) | Electric bicycle hub motor | |
| CN204775807U (en) | A transmission assembly for bicycle and electric bicycle | |
| CN206841656U (en) | Wheel hub motor | |
| CN103204215A (en) | Flywheel electric wheel hub | |
| CN207634624U (en) | A kind of cartridge type planet-gear speed reducer | |
| CN202879734U (en) | Driving device | |
| CN209671578U (en) | A kind of vehicle hub driving gear-box | |
| CN203051685U (en) | Variable gear | |
| CN218085902U (en) | Rear wheel direct-drive high-speed electric drive assembly | |
| CN214699106U (en) | Bulldozer active bevel gear mounting structure | |
| CN206422654U (en) | A kind of four skateboards wheel hub motor with teeth | |
| CN211032916U (en) | Electric bicycle driving structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160811 Address after: The two South Industrial Park Economic Development Zone 638500 Guang'an city of Sichuan province Linshui County Patentee after: Sichuan Xindongmai Auto Parts Manufacturing Co., Ltd. Address before: 400033, Chongqing District, Shapingba Town, Nanxi village Qinglong mouth Patentee before: Song Xinghui |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |