CN115013524A - Automatic gear shifter assembly of electric bicycle - Google Patents
Automatic gear shifter assembly of electric bicycle Download PDFInfo
- Publication number
- CN115013524A CN115013524A CN202210671250.2A CN202210671250A CN115013524A CN 115013524 A CN115013524 A CN 115013524A CN 202210671250 A CN202210671250 A CN 202210671250A CN 115013524 A CN115013524 A CN 115013524A
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- Prior art keywords
- gear shifting
- gear
- fixedly connected
- bearing
- shell
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- 238000005491 wire drawing Methods 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses an automatic gear shifter assembly of an electric bicycle, which comprises a gear shifting shell, wherein one end of the inner cavity of the gear shifting shell is fixedly connected with a gear shifting motor, the bottom of the gear shifting motor is clamped with a gear shifting motor seat, one end of the inner cavity of the gear shifting shell, which is close to the gear shifting motor, is provided with a gear shifting controller, and one end of the bottom of the gear shifting shell is fixedly connected with a gear shifting lower cover through screws. The problems of low transmission efficiency and mechanical rigidity caused by inaccurate artificial speed ratio matching in transmission are solved.
Description
Technical Field
The invention relates to the technical field of electric bicycle equipment, in particular to an automatic gear shifter assembly of an electric bicycle.
Background
An electric bicycle is a vehicle driven by electricity, and is generally a device which is installed on a bicycle and takes a storage battery as an auxiliary power source.
The existing electric bicycle is generally manually shifted, and the manual shifting is poor in mechanical damage, electric energy waste and comfort due to the fact that people do not shift gears or shift gears less.
Disclosure of Invention
It is an object of the present invention to provide an automatic shifter assembly for an electric bicycle that solves the problems set forth above in the background.
In order to achieve the purpose, the invention provides the following technical scheme: the automatic gear shifter assembly of the electric bicycle comprises a gear shifting shell, wherein one end of the inner cavity of the gear shifting shell is fixedly connected with a gear shifting motor, the bottom of the gear shifting motor is clamped with a gear shifting motor base, one end, close to the gear shifting motor, of the inner cavity of the gear shifting shell is provided with a gear shifting controller, and one end of the bottom of the gear shifting shell is fixedly connected with a gear shifting lower cover through a screw;
the gear shifting motor comprises a gear shifting motor base, a gear shifting motor input wheel, a gear shifting output wheel, a clamping block with a notch, five convex blocks, a fixing block, a clamping groove, a fixing block and a self-locking mechanism, wherein the gear shifting motor input wheel penetrates through the gear shifting motor base, the gear shifting motor input wheel is connected with the gear shifting output wheel in a meshing manner, the top of the gear shifting motor input wheel is fixedly connected with the clamping block with the notch, the gear shifting output wheel is provided with five convex blocks, the edge circumference of the clamping block, which is attached to the convex blocks, and the circumference of the concave part of the convex blocks are concentric circles, the bottom of the gear shifting output wheel is provided with the clamping groove, one end, far away from the clamping block, of the top of the gear shifting motor input wheel is fixedly connected with the fixing block which is matched with the clamping groove, the self-locking purpose is achieved through the matching of the clamping block and the clamping groove, namely, when the gear shifting motor input wheel does not input power, the gear shifting output wheel can achieve the self-locking state and cannot rotate, the gear shifting output wheel is clamped with the gear shifting output shaft, the gear shifting wire, the gear shifting output shaft penetrates through the gear shifting shell, the automatic speed ratio adjustment device is convenient for automatically adjusting the mechanical speed ratio in the operation process, and achieves the effects of saving power, being comfortable and preventing mechanical damage.
In a further embodiment, the gear shifting motor base is fixedly connected inside the gear shifting shell, the first bearing and the second bearing are fixedly connected inside the gear shifting lower cover, and two ends of the input wheel of the gear shifting motor are respectively clamped on the inner walls of the first bearing and the second bearing, so that the input wheel is limited conveniently, and the input wheel is prevented from vibrating.
In a further embodiment, a third bearing outer wall is fixedly connected to the inside of the gear shifting lower cover close to one end of the first bearing, a fourth bearing outer wall is fixedly connected to the inside of the gear shifting lower cover close to one end of the second bearing, and the gear shifting output wheel is clamped on the inner walls of the third bearing and the fourth bearing, so that the gear shifting output wheel is limited conveniently.
In a further embodiment, one end of the gear shift output shaft, which is close to the top, is penetrated with a gear shift rotation prevention part, one end of the gear shift output shaft, which is penetrated through the gear shift rotation prevention part, is connected with a gear shift locking nut in a threaded manner, and one end of the gear shift output shaft, which is penetrated through the gear shift locking nut, is provided with a gear shift ring, so that the gear shift output shaft can be conveniently locked.
In a further embodiment, the gear shifting lower cover is fixedly connected with a gear shifting upper cover through a gear shifting locking screw, the gear shifting upper cover is fixedly connected with a gear shifting wire drawing check ring through a screw, one end, far away from the gear shifting upper cover, of the gear shifting wire drawing check ring is fixedly connected with a gear shifting wire drawing sleeve, and the gear shifting wire drawing penetrates through the gear shifting wire drawing check ring and the gear shifting wire drawing sleeve in sequence to facilitate adjustment.
In a further embodiment, a shift plate is mounted to one end of the shift housing.
Compared with the prior art, the invention has the beneficial effects that:
the invention can execute the most economical and efficient gear through the automatic gear shifter without manual intervention, the execution effect is that a large torque is output by a large speed ratio to quickly start at low speed, a more suitable gear is changed according to the pedaling speed and pedaling force of a person and the road surface condition at high speed, the mechanical speed ratio is automatically adjusted in the operation process, and the effects of saving power, comfort and preventing mechanical damage are achieved, because the rigid strength problem of a mechanical transmission structure is caused after the motor is added on the basis of the bicycle, a transmission part is easy to damage, after the automatic gear shifter is added, the problems of low transmission efficiency and mechanical rigidity caused by inaccurate speed ratio matching of the transmission person are changed, the gear shifting motor input wheel drives the gear shifting output wheel to operate, and otherwise, when the gear shifting motor input wheel is fixed, the gear shifting output wheel can achieve a self-locking state so as to achieve the purpose of stability.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;
fig. 3 is a schematic top view of the shift motor input wheel and the shift output wheel of the present invention.
In the figure: 1. a shift housing; 2. a shift motor; 3. a gear shifting motor base; 4. a shift controller; 5. a shift lower cover; 6. an input wheel of a gear shifting motor; 61. a fixed block; 7. a shift upper cover; 8. a first bearing; 9. a second bearing; 10. a shift output wheel; 11. a gear shifting wire drawing retaining ring; 12. a shift output shaft; 13. a third bearing; 14. a fourth bearing; 15. the rotation is prevented during gear shifting; 16. a shift lock nut; 17. a gear shifting ring; 18. a gear shift locking screw; 19. a shift clamp plate; 20. shifting and drawing; 21. a shift wire drawing sleeve.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the embodiment provides an automatic gear shifter assembly for an electric bicycle, which includes a gear shift housing 1, a gear shift motor 2 fixedly connected to one end of an inner cavity of the gear shift housing 1, a gear shift motor base 3 fastened to the bottom of the gear shift motor 2, a gear shift controller 4 installed in the inner cavity of the gear shift housing 1 and close to the end of the gear shift motor 2, a gear shift lower cover 5 fixedly connected to one end of the bottom of the gear shift housing 1 through screws, a gear shift motor input wheel 6 fastened to an output end of the gear shift motor 2 through the gear shift motor base 3, a gear shift motor input wheel 6 driven to rotate by the operation of the gear shift motor 2, a gear shift output wheel 10 engaged with the gear shift motor input wheel 6, a notch block fixedly connected to the top of the gear shift motor input wheel 6, five convex blocks arranged on the gear shift output wheel 10, a rim circumference of the block attached to the convex blocks and a circumference of a concave portion of the convex blocks are concentric circles, a slot formed at the bottom of the gear shift output wheel 10, one end of the top of the gear shifting motor input wheel 6, far away from the clamping block, is fixedly connected with a fixing block matched with the clamping groove, because the circumference of the clamping block and the convex block after the concave positions are completed is a concentric circle, when the gear shifting motor 2 does not operate, the gear shifting output wheel 10 can be clamped by the gear shifting motor input wheel 6, the purpose of self-locking is achieved, so as to complete gear shifting, a gear shifting output shaft 12 is clamped in the middle of the gear shifting output wheel 10, a gear shifting wire 20 penetrates through the middle of the gear shifting output shaft 12, the gear shifting wire 20 penetrates through the gear shifting shell 1, and the gear shifting motor input wheel 6 rotates to drive the gear shifting output wheel 10 to rotate, so that the gear shifting output shaft 12 drives the gear shifting wire 20 to shift gears.
3 fixed connection of gear shift motor cabinet is inside gear shift shell 1, 6 both ends of gear shift motor input wheel are the joint respectively and are had first bearing 8 and the 9 inner walls of second bearing, first bearing 8 and the 9 fixed connection of second bearing are inside 5 of gear shift lower cover, it is spacing to gear shift motor input wheel 6 through using first bearing 8 and second bearing 9, reduce vibrations in the operation, 5 inside being close to 8 one end fixedly connected with third bearing 13 outer walls of first bearing and the 14 outer walls of fourth bearing of gear shift lower cover, third bearing 13 and the 14 inner walls of fourth bearing have passed gear shift output wheel 10, be convenient for spacing to gear shift output wheel 10.
Example two
Referring to fig. 1-2, a further improvement is made on the basis of the first embodiment:
in the embodiment, the gear shifting anti-rotation structure 15 is used for limiting the gear shifting output shaft 12 after gear shifting, the gear shifting anti-rotation structure 15 penetrates through one end, close to the top, of the gear shifting output shaft 12, the gear shifting anti-rotation structure 15 penetrates through one end, penetrating through the gear shifting anti-rotation structure 15, of the gear shifting output shaft 12 and is connected with the gear shifting locking nut 16 in a threaded mode, the gear shifting ring 17 is arranged at one end, penetrating through the gear shifting locking nut 16, of the gear shifting output shaft 12, and the gear shifting locking nut 16 is matched with the gear shifting ring 17, so that the device is convenient to use.
A gear shifting lower cover 5 is fixedly connected with a gear shifting upper cover 7 through a gear shifting locking screw 18, the gear shifting upper cover 7 is fixedly connected with a gear shifting wire drawing check ring 11 through a screw, one end of the gear shifting wire drawing check ring 11 is fixedly connected with a gear shifting wire drawing sleeve 21, a gear shifting wire drawing 20 sequentially penetrates through the gear shifting wire drawing check ring 11 and the gear shifting wire drawing sleeve 21, the gear shifting wire drawing 20 is convenient to move, and one end of a gear shifting shell 1 is provided with a gear shifting clamping plate 19.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Electric bicycle automatic gear shifter assembly, including gear shift shell (1), its characterized in that: one end of the inner cavity of the gear shifting shell (1) is fixedly connected with a gear shifting motor (2), the bottom of the gear shifting motor (2) is clamped with a gear shifting motor base (3), one end of the inner cavity of the gear shifting shell (1), which is close to the gear shifting motor (2), is provided with a gear shifting controller (4), and one end of the bottom of the gear shifting shell (1) is fixedly connected with a gear shifting lower cover (5) through a screw;
the output end of the gear shifting motor (2) passes through the gear shifting motor base (3) and is clamped with a gear shifting motor input wheel (6), the gear shifting motor input wheel (6) is connected with a gear shifting output wheel (10) in a meshing way, the top of the gear shifting motor input wheel (6) is fixedly connected with a clamping block with a notch, five convex blocks are arranged on the gear shifting output wheel (10), the edge circumference of the joint of the clamping block and the convex blocks and the circumference of the concave part of the convex blocks are concentric circles, a clamping groove is arranged at the bottom of the gear shifting output wheel (10), one end of the top of the gear shifting motor input wheel (6) far away from the clamping block is fixedly connected with a fixing block matched with the clamping groove, the gear shifting output wheel (10) is clamped with a gear shifting output shaft (12) in the middle, a gear shifting wire drawing (20) penetrates through the middle of the gear shifting output shaft (12), and the gear shifting wire drawing (20) penetrates through a gear shifting shell (1).
2. The electric bicycle automatic shifter assembly of claim 1, wherein: the gear shifting motor base (3) is fixedly connected inside the gear shifting shell (1), a first bearing (8) and a second bearing (9) are fixedly connected inside the gear shifting lower cover (5), and two ends of a gear shifting motor input wheel (6) are respectively clamped on the inner walls of the first bearing (8) and the second bearing (9).
3. The electric bicycle automatic shifter assembly of claim 1, wherein: the gear shifting lower cover is characterized in that one end of the gear shifting lower cover (5) is close to one end of the first bearing (8) and is fixedly connected with a third bearing (13) outer wall, one end of the gear shifting lower cover (5) is close to one end of the second bearing (9) and is fixedly connected with a fourth bearing (14) outer wall, and the gear shifting output wheel (10) is clamped on the inner walls of the third bearing (13) and the fourth bearing (14).
4. The electric bicycle automatic shifter assembly of claim 1, wherein: one end, close to the top, of the gear shifting output shaft (12) penetrates through a gear shifting rotation prevention nut (15), one end, penetrating through the gear shifting rotation prevention nut (15), of the gear shifting output shaft (12) is in threaded connection with a gear shifting locking nut (16), and one end, penetrating through the gear shifting locking nut (16), of the gear shifting output shaft (12) is provided with a gear shifting ring (17).
5. The electric bicycle automatic shifter assembly of claim 1, wherein: the gear shifting device is characterized in that a gear shifting locking screw (18) is connected to the gear shifting lower cover (5) in a threaded manner, the gear shifting lower cover (5) is fixedly connected with a gear shifting upper cover (7) through the gear shifting locking screw (18), the gear shifting upper cover (7) is fixedly connected with a gear shifting wire drawing retaining ring (11) through a screw, one end, far away from the gear shifting upper cover (7), of the gear shifting wire drawing retaining ring (11) is fixedly connected with a gear shifting wire drawing sleeve (21), and the gear shifting wire drawing (20) sequentially penetrates through the gear shifting wire drawing retaining ring (11) and the gear shifting wire drawing sleeve (21).
6. The electric bicycle automatic shifter assembly of claim 1, wherein: one end of the gear shifting shell (1) is provided with a gear shifting clamping plate (19).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210671250.2A CN115013524A (en) | 2022-06-14 | 2022-06-14 | Automatic gear shifter assembly of electric bicycle |
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CN202210671250.2A CN115013524A (en) | 2022-06-14 | 2022-06-14 | Automatic gear shifter assembly of electric bicycle |
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CN115013524A true CN115013524A (en) | 2022-09-06 |
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CN202210671250.2A Pending CN115013524A (en) | 2022-06-14 | 2022-06-14 | Automatic gear shifter assembly of electric bicycle |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001039380A (en) * | 1999-07-28 | 2001-02-13 | Matsushita Electric Ind Co Ltd | Automatic gearshift operating device for bicycle |
CN1609481A (en) * | 2004-07-22 | 2005-04-27 | 胡济荣 | Gear speed variator electric control operating mechanism |
CN1920348A (en) * | 2006-09-15 | 2007-02-28 | 重庆大学 | Control device for electric controlled automatic shift for vehicle variator |
CN201615214U (en) * | 2010-02-04 | 2010-10-27 | 宁波金鑫粉末冶金有限公司 | Automobile engine shift cam |
CN101982370A (en) * | 2010-10-25 | 2011-03-02 | 石宗泽 | Gear shifting device of miniature gearbox of bicycle |
CN201973224U (en) * | 2011-02-25 | 2011-09-14 | 上海中科深江电动车辆有限公司 | Gear-shifting execution mechanism for electrically-controlled mechanical type two-gear automatic transmission of electric automobile |
US20120325039A1 (en) * | 2011-06-23 | 2012-12-27 | Chi-Chang Cheng | Derailleur for electric bicycle |
CN104613139A (en) * | 2015-01-30 | 2015-05-13 | 黄迪 | Special gearbox with electric gear shifting function for electric vehicle |
CN105090493A (en) * | 2014-05-09 | 2015-11-25 | 上汽通用五菱汽车股份有限公司 | Self locking system of MT (Manual Transmission) gear shifting mechanism |
CN205824145U (en) * | 2016-06-20 | 2016-12-21 | 裕克施乐塑料制品(太仓)有限公司 | A kind of automatic gear shift apparatus of vehicle using motor |
CN207145602U (en) * | 2017-05-05 | 2018-03-27 | 浙江科潮智能科技有限公司 | Realize the driving flexible axle of the method for the automatic gear selecting gearshift of manual transmission |
CN208997325U (en) * | 2018-11-14 | 2019-06-18 | 重庆兆永科技有限公司 | A kind of shift drum apparatus of speed changer |
-
2022
- 2022-06-14 CN CN202210671250.2A patent/CN115013524A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001039380A (en) * | 1999-07-28 | 2001-02-13 | Matsushita Electric Ind Co Ltd | Automatic gearshift operating device for bicycle |
CN1609481A (en) * | 2004-07-22 | 2005-04-27 | 胡济荣 | Gear speed variator electric control operating mechanism |
CN1920348A (en) * | 2006-09-15 | 2007-02-28 | 重庆大学 | Control device for electric controlled automatic shift for vehicle variator |
CN201615214U (en) * | 2010-02-04 | 2010-10-27 | 宁波金鑫粉末冶金有限公司 | Automobile engine shift cam |
CN101982370A (en) * | 2010-10-25 | 2011-03-02 | 石宗泽 | Gear shifting device of miniature gearbox of bicycle |
CN201973224U (en) * | 2011-02-25 | 2011-09-14 | 上海中科深江电动车辆有限公司 | Gear-shifting execution mechanism for electrically-controlled mechanical type two-gear automatic transmission of electric automobile |
US20120325039A1 (en) * | 2011-06-23 | 2012-12-27 | Chi-Chang Cheng | Derailleur for electric bicycle |
CN105090493A (en) * | 2014-05-09 | 2015-11-25 | 上汽通用五菱汽车股份有限公司 | Self locking system of MT (Manual Transmission) gear shifting mechanism |
CN104613139A (en) * | 2015-01-30 | 2015-05-13 | 黄迪 | Special gearbox with electric gear shifting function for electric vehicle |
CN205824145U (en) * | 2016-06-20 | 2016-12-21 | 裕克施乐塑料制品(太仓)有限公司 | A kind of automatic gear shift apparatus of vehicle using motor |
CN207145602U (en) * | 2017-05-05 | 2018-03-27 | 浙江科潮智能科技有限公司 | Realize the driving flexible axle of the method for the automatic gear selecting gearshift of manual transmission |
CN208997325U (en) * | 2018-11-14 | 2019-06-18 | 重庆兆永科技有限公司 | A kind of shift drum apparatus of speed changer |
Non-Patent Citations (1)
Title |
---|
上海动力机厂: "丰收-35型拖拉机的结构与维修", 上海人民出版社, pages: 152 - 153 * |
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