CN104859784A - Transmission assembly for bicycle and electric bicycle - Google Patents
Transmission assembly for bicycle and electric bicycle Download PDFInfo
- Publication number
- CN104859784A CN104859784A CN201510302372.4A CN201510302372A CN104859784A CN 104859784 A CN104859784 A CN 104859784A CN 201510302372 A CN201510302372 A CN 201510302372A CN 104859784 A CN104859784 A CN 104859784A
- Authority
- CN
- China
- Prior art keywords
- transmitter shaft
- gear
- driven gear
- bicycle
- shaft
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M17/00—Transmissions characterised by use of rotary shaft, e.g. cardan shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
- B62M11/02—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of unchangeable ratio
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a transmission assembly for a bicycle and an electric bicycle. One end of a transmission shaft is connected with a front driven gear in a fastening manner through a spline, a first locking bolt and a first gasket ring, and the other end of the transmission shaft is in fastening connection with a rear driving gear through a spline, a spring, a second gasket ring and a second locking bolt; a front protection cover and a rear protection cover are arranged at the two ends of a protection tube arranged on the transmission shaft in a sleeving manner respectively; the front protection cover is connected with a front box body through a connecting bolt, and a middle shaft is arranged in the front box body through a third bearing; the middle shaft is fixedly sleeved with a front driving gear; the front driven gear of the transmission shaft is mounted in the front box body through a first bearing, and is meshed with a front driving gear; and the rear protection cover is connected with a rear box body through a connecting bolt, and the rear driving gear of the transmission shaft is mounted in the rear box body through a second bearing. The transmission assembly is stable in transmission power, the waste rate of parts is reduced, the service life is prolonged, and the cost is reduced.
Description
Technical field
The present invention relates to the driving system of bicycle, be specifically related to a kind of drive assembly for bicycle and Electrical Bicycle.
Background technology
The type of drive of existing Electrical 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 it is with bolts between existing transmitter shaft and front driven tooth, rear driving tooth, then be interconnected by bearing and front protecting cover, rear protecting cover, because transmitter shaft during assembling lacks endplay relative between front protecting cover, rear protecting cover, make each parts and front protecting cover, rear protecting cover accuracy of manufacture higher, financial cost is high.Also some producers are had at present, connect effective length by assembly technology and bolt to control, though installation effect can be reached, but inefficiency, be not suitable for batch jobs, in the situation of jolting of vehicle long-play and different road conditions, front protecting cover, rear protecting cover is easily subjected to displacement, loosen and perhaps come off, even damage, due to transmitter shaft and front driven tooth, with bolts between rear driving tooth, lack endplay, bearing space is occupied, transferring power is unstable, the lighter rides difficulty, severe one causes bearing or bolts at two ends to damage, affect service life and personal safety, unnecessary trouble is brought to customer.
Summary of the invention
The object of the invention is, in order to overcome the deficiencies in the prior art, to provide the drive assembly of bicycle and Electrical Bicycle, structure is simple, and transferring power is stablized, and reduces the wastage rate of each parts, extends the service life of transmitting assembly, reduces costs.
Object of the present invention can be achieved through the following technical solutions.
For a drive assembly for bicycle and Electrical Bicycle, comprise transmitter shaft, it is characterized in that: the two ends of described transmitter shaft are respectively equipped with front driven gear and rear drive gear, form transmitter shaft combination; Be provided with ladder hole in described front driven gear, the path section of front driven gear and transmitter shaft spline fitted, the large footpath section of front driven gear is provided with the first lock bolt and the first packing ring, front driven gear and transmitter shaft by the first lock bolt and the first packing ring fastening; Ladder hole is provided with in described rear drive gear, the small-bore section of rear drive gear and transmitter shaft spline fitted, be provided with spring, the second packing ring and the second lock bolt successively in the large aperture section of rear drive gear, it is fastening that rear drive gear and transmitter shaft pass through spring, the second packing ring and the second lock bolt; Pillar is arranged with outside described transmitter shaft, the two ends of described pillar are respectively equipped with front protecting cover and rear protecting cover forms pillar combination, casing before described front protecting cover connects one by tie bolt, by three bearings, one axis is installed in described front casing, described axis is installed with front driving gear, box body combinations before forming, the front driven gear of described transmitter shaft is arranged in front casing by clutch shaft bearing, and the front driven gear of transmitter shaft is meshed with front driving gear; Described rear protecting cover connects a rear box by tie bolt, and the rear drive gear of described transmitter shaft is arranged in rear box by the second bearing.
The rear drive gear end of described transmitter shaft combination is provided with the first seal ring, and described first seal ring is between transmitter shaft and pillar.
The front driven gear end of described transmitter shaft combination is provided with the second seal ring, and described second seal ring is between clutch shaft bearing and front box body combinations.
Described clutch shaft bearing lays respectively in front casing and front protecting cover, and described second bearing lays respectively in rear box and rear protecting cover.
Described rear box is provided with the connecting portion for being arranged on vehicle frame, and described connecting portion is provided with the opening passed for pivot shaft, and described Open Side Down.
The modulus of described front driving gear, rear drive gear and front driven gear is 2.5.
Described front driving gear, rear drive gear and front driven gear all adopt spiral bevel.
Beneficial effect of the present invention; Transmitter shaft one end of the present invention is fixedly connected with front driven gear with the first packing ring by spline, the first lock bolt, and the transmitter shaft other end is fixedly connected with rear drive gear with the second packing ring by spline, spring, the second lock bolt, forms transmitter shaft combination; The front protecting cover of described pillar is connected with front casing by tie bolt, by three bearings, one axis is installed in front casing, described axis is installed with front driving gear, the front driven gear of transmitter shaft is arranged in front casing by clutch shaft bearing, and the front driven gear of transmitter shaft is meshed with front driving gear; The rear protecting cover of described pillar connects a rear box by tie bolt, and the rear drive gear of transmitter shaft is arranged in rear box by the second bearing.Structure of the present invention is simple, leave endplay, leave the installing space of bearing, make to engage each other between front driven gear and front driving gear, reduce accuracy requirement and the difficulty of processing of each parts and pillar combination, avoid under vehicle long-play or road conditions of jolting, each parts displacement, loosen, come off or damage, reduce financial cost, and it is more firm that transmitter shaft is connected with front driven gear and rear drive gear, transmission is more steady, reduce noise, reduce difficulty of riding, increase the service life, also ensure the personal safety of bicyclist.
Further: the rear drive gear end of described transmitter shaft combination is provided with the first seal ring, and the front driven gear end of transmitter shaft combination is provided with the second seal ring, carries out oil sealing, ensure that the normal work of transmitter shaft by first, second seal ring.
Further: described clutch shaft bearing lays respectively in front casing and front protecting cover, described second bearing lays respectively in rear box and rear protecting cover, carries out radial location to clutch shaft bearing and the second bearing.
Further; Described rear box is provided with the connecting portion for being arranged on vehicle frame, and described connecting portion is provided with the opening passed for pivot shaft, and described Open Side Down, is convenient to rear box to be assemblied on pivot shaft, thus improves efficiency of assembling and reliability, saves maintenance time.
Further: the modulus of described front driving gear, rear drive gear and front driven gear is 2.5, this modulus has the features such as driving efficiency is high, transmission stability is good, makes to ride more laborsaving.
Further: described front driving gear, rear drive gear and front driven gear all adopt 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 present invention had.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is lateral plan of the present invention;
Fig. 3 is the assembling schematic diagram of transmitter shaft combination and pillar combination;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the right elevation of Fig. 3;
Fig. 6 is the structural representation that the present invention is assemblied on Electrical Bicycle.
In accompanying drawing: 1 is transmitter shaft, 2 is front driven gear, 3 is rear drive gear, 4 is pillar, 4-1 is front protecting cover, 4-2 is rear protecting cover, 5 is front casing, 6 is front driving gear, 7 is axis, 8 is rear box, 8-1 is connecting portion, 8-2 is opening, 8-3 is for connecting journal stirrup, 9 is the first lock bolt, 10 is the first packing ring, 11 is spring, 12 is the second packing ring, 13 is the second lock bolt, 14 is front case lid, 15 is the 3rd bearing, 16 is the second bearing, 17 is clutch shaft bearing, 18 is the first seal ring, 19 is the second seal ring, 20 is tie bolt, 21 is left chain stay, 22 is Rear wheel support axle, 23 is frame five-through, 24 is back-wheel drive motor, 25 is connector, 26 is the 4th bearing, 27 is the 5th bearing, 28 is ratchet, 29 is rear driven gear.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
See shown in Fig. 1 to Fig. 6, a kind of drive assembly for bicycle and Electrical Bicycle, comprise transmitter shaft 1, front driven gear 2, rear drive gear 3, pillar 4, front casing 5, front driving gear 6, axis 7 and rear box 8, the two ends of described transmitter shaft 1 arrange front driven gear 2 and rear drive gear 3 respectively, form transmitter shaft combination; The two ends of described transmitter shaft 1 are respectively equipped with male splines and negative thread, ladder hole is provided with in described front driven gear 2, spline is provided with in the path section of ladder hole, the path section of front driven gear 2 and transmitter shaft 1 spline fitted, the large footpath section of front driven gear 2 is provided with the first lock bolt 9 and the first packing ring 10, front driven gear 2 and transmitter shaft 1 by the first lock bolt 9 and the first packing ring 10 fastening; Ladder hole is provided with in described rear drive gear 3, spline is provided with in the path section of ladder hole, the small-bore section of rear drive gear 3 and transmitter shaft 1 spline fitted, spring 11, second packing ring 12 and the second lock bolt 13 is successively provided with in the large aperture section of rear drive gear 3, described spring 11 one end is against in the section of small-bore, the other end is against on the second packing ring 12, and rear drive gear 3 is fastening by spring, packing ring and lock bolt with transmitter shaft 1; Transmitter shaft of the present invention is matched by spline, packing ring and lock bolt with between front driven gear and rear drive gear, connects more firm.
Pillar 4 is arranged with outside described transmitter shaft 1, the two ends of described pillar 4 are respectively equipped with front protecting cover 4-1 and rear protecting cover 4-2 and form pillar combination, front protecting cover 4-1 and rear protecting cover 4-2 is weldingly fixed on pillar 4 respectively, make pillar 4 and formed between front protecting cover 4-1 and rear protecting cover 4-2 to be rigidly connected, described front protecting cover 4-1 is provided with countersunk head screw via hole, front casing 5 is provided with tapped bore, front protecting cover 4-1 is connected with front casing 5 by tie bolt 20, described rear protecting cover 4-2 is provided with countersunk head screw hole, rear box 8 is provided with tapped bore, rear protecting cover 4-2 is connected with rear box 8 by tie bolt 20, transmitter shaft is connected more firm, ensure the normal work of transmitter shaft.Front casing is provided with the front case lid 14 matched, front casing 5 and front case lid 14 are equipped with through hole, described axis 7 is arranged in front casing 5 and front case lid 14 by two the 3rd bearings 15, axis 7 is installed with front driving gear 6, box body combinations before forming, the front driven gear 2 of described transmitter shaft 1 is arranged in front casing 5 by clutch shaft bearing 17, and described clutch shaft bearing 17 lays respectively at front casing 5 with front protecting cover 4-1, and the front driven gear 2 of described transmitter shaft 1 is meshed with front driving gear 6.The rear drive gear 3 of described transmitter shaft 1 is arranged in rear box 8 by the second bearing 16, described second bearing 16 lays respectively at rear box 8 with rear protecting cover 4-2, described rear box 8 is provided with the connecting portion 8-1 for being arranged on vehicle frame, described connecting portion is provided with the opening 8-2 that pivot shaft passes, described opening 8-2 is downward, be convenient to be assemblied on pivot shaft, improve efficiency of assembling and reliability, save maintenance time.The connecting portion 8-1 of rear box 8 is provided with and connects journal stirrup 8-3, and described connection journal stirrup 8-3 is provided with multiple connecting bore, and rear box 8 is fixed on vehicle frame by connecting journal stirrup 8-3.
Further: the modulus of described front driving gear 6, rear drive gear 3 and front driven gear 2 is 2.5.Described front driving gear 6, rear drive gear 3 and front driven gear 2 all adopt spiral bevel.
Further: the rear drive gear end of described transmitter shaft combination is provided with the first seal ring 18, and described first seal ring 18 is between transmitter shaft 1 and pillar 4; The front driven gear end of described transmitter shaft combination is provided with the second seal ring 29, and described second seal ring 29 is between clutch shaft bearing 17 and front casing.
Adopt the Electrical Bicycle of drive assembly of the present invention, comprise electric bicycle fame, be arranged on the Rear wheel support axle 22 of left chain stay 21 one end of electric bicycle fame, the frame five-through 23 of the other end, Rear wheel support axle 22 is provided with back-wheel drive motor 24, the end cap of described back-wheel drive motor 24 is provided with outwardly extending portion, described outwardly extending portion is arranged with connector 25, connector 25 is arranged on Rear wheel support axle 22 by the 4th bearing 26, multiple ratchet and click spring is circumferentially distributed with outside connector 25, connector 25 is provided with ratchet 28 by the 5th bearing 27, ratchet 28 is interference fitted on the 5th bearing 27, driven gear 29 after described ratchet 28 outer sheathed, described rear driven gear 29 is meshed with the rear drive gear 3 of drive assembly of the present invention, setting nut is provided with inside the connecting portion 8-1 of rear box 8 and between connector 25, cover of dust is provided with outside the connecting portion 8-1 of rear box 8, Rear wheel support axle 22 is provided with the motor locking nut for locking cover of dust, packing ring is provided with between motor locking nut and cover of dust, rear box 8 is connected with vehicle frame by the connection journal stirrup 8-3 of connecting portion 8-1, front box body combinations is arranged in the frame five-through 23 of electric bicycle fame, the two ends installation foot pedal respectively of axis 7.
Working process of the present invention:
Situation one, when middle shaft rotation, successively by front driving gear, front driven gear, transmitter shaft, rear drive gear, rear driven gear transmission, thus makes rear driven gear rotate.Because rear driven gear 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 (7)
1. for a drive assembly for bicycle and Electrical Bicycle, comprise transmitter shaft, it is characterized in that: the two ends of described transmitter shaft are respectively equipped with front driven gear and rear drive gear, form transmitter shaft combination; Be provided with ladder hole in described front driven gear, the path section of front driven gear and transmitter shaft spline fitted, the large footpath section of front driven gear is provided with the first lock bolt and the first packing ring, front driven gear and transmitter shaft by the first lock bolt and the first packing ring fastening; Ladder hole is provided with in described rear drive gear, the small-bore section of rear drive gear and transmitter shaft spline fitted, be provided with spring, the second packing ring and the second lock bolt successively in the large aperture section of rear drive gear, it is fastening that rear drive gear and transmitter shaft pass through spring, the second packing ring and the second lock bolt; Pillar is arranged with outside described transmitter shaft, the two ends of described pillar are respectively equipped with front protecting cover and rear protecting cover forms pillar combination, casing before described front protecting cover connects one by tie bolt, by the 3rd bearing, one axis is installed in described front casing, described axis is installed with front driving gear, box body combinations before forming, the front driven gear of described transmitter shaft is arranged in front casing by clutch shaft bearing, and the front driven gear of transmitter shaft is meshed with front driving gear; Described rear protecting cover connects a rear box by tie bolt, and the rear drive gear of described transmitter shaft is arranged in rear box by the second bearing.
2. the drive assembly for bicycle and Electrical Bicycle according to claim 1, is characterized in that: the rear drive gear end of described transmitter shaft combination is provided with the first seal ring, and described first seal ring is between transmitter shaft and pillar.
3. the drive assembly for bicycle and Electrical Bicycle according to claim 1, is characterized in that: the front driven gear end of described transmitter shaft combination is provided with the second seal ring, and described second seal ring is between clutch shaft bearing and front box body combinations.
4. the drive assembly for bicycle and Electrical Bicycle according to claim 1 or 3, is characterized in that: described clutch shaft bearing lays respectively in front casing and front protecting cover, and described second bearing lays respectively in rear box and rear protecting cover.
5. the drive assembly for bicycle and Electrical Bicycle according to claim 1, is characterized in that: described rear box is provided with the connecting portion for being arranged on vehicle frame, and described connecting portion is provided with the opening passed for pivot shaft, and described Open Side Down.
6. the drive assembly for bicycle and Electrical Bicycle according to claim 1, is characterized in that: the modulus of described front driving gear, rear drive gear and front driven gear is 2.5.
7. the drive assembly for bicycle and Electrical Bicycle according to claim 1 or 6, is characterized in that: described front driving gear, rear drive gear and front driven gear all adopt spiral bevel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510302372.4A CN104859784B (en) | 2015-06-05 | 2015-06-05 | Drive assembly for bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510302372.4A CN104859784B (en) | 2015-06-05 | 2015-06-05 | Drive assembly for bicycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104859784A true CN104859784A (en) | 2015-08-26 |
| CN104859784B CN104859784B (en) | 2017-12-08 |
Family
ID=53906065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510302372.4A Expired - Fee Related CN104859784B (en) | 2015-06-05 | 2015-06-05 | Drive assembly for bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104859784B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974240A (en) * | 2017-05-31 | 2018-12-11 | 卢金堂 | A kind of bicycle or electric bicycle transmission device |
| CN108974241A (en) * | 2017-05-31 | 2018-12-11 | 卢金堂 | A kind of bicycle or electric bicycle rear-wheel transmission mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6444385A (en) * | 1987-08-10 | 1989-02-16 | Sanwaade Kk | Shaft drive type bicycle |
| CN2089911U (en) * | 1990-12-17 | 1991-12-04 | 赖大吉 | Driving construction improving for bicycle without chain |
| CN2098457U (en) * | 1991-08-12 | 1992-03-11 | 湖南省湘华机械厂 | Improved wheel gearing of bicycle |
| CN2147179Y (en) * | 1992-11-11 | 1993-11-24 | 胡家庆 | Chainless bicycle gearing speed changing device |
| CN103935460A (en) * | 2014-04-17 | 2014-07-23 | 重庆通盛建设工业有限公司 | Bicycle shaft driving system assembly |
| CN204775807U (en) * | 2015-06-05 | 2015-11-18 | 宋兴辉 | A transmission assembly for bicycle and electric bicycle |
-
2015
- 2015-06-05 CN CN201510302372.4A patent/CN104859784B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6444385A (en) * | 1987-08-10 | 1989-02-16 | Sanwaade Kk | Shaft drive type bicycle |
| CN2089911U (en) * | 1990-12-17 | 1991-12-04 | 赖大吉 | Driving construction improving for bicycle without chain |
| CN2098457U (en) * | 1991-08-12 | 1992-03-11 | 湖南省湘华机械厂 | Improved wheel gearing of bicycle |
| CN2147179Y (en) * | 1992-11-11 | 1993-11-24 | 胡家庆 | Chainless bicycle gearing speed changing device |
| CN103935460A (en) * | 2014-04-17 | 2014-07-23 | 重庆通盛建设工业有限公司 | Bicycle shaft driving system assembly |
| CN204775807U (en) * | 2015-06-05 | 2015-11-18 | 宋兴辉 | A transmission assembly for bicycle and electric bicycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974240A (en) * | 2017-05-31 | 2018-12-11 | 卢金堂 | A kind of bicycle or electric bicycle transmission device |
| CN108974241A (en) * | 2017-05-31 | 2018-12-11 | 卢金堂 | A kind of bicycle or electric bicycle rear-wheel transmission mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104859784B (en) | 2017-12-08 |
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| PB01 | Publication | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application 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 Applicant after: Sichuan Xindongmai Auto Parts Manufacturing Co., Ltd. Address before: 400033, Chongqing District, Shapingba Town, Nanxi village Qinglong mouth Applicant before: Song Xinghui |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20180605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |