CN201513551U - Shifting mechanism of transmission of electric bicycle - Google Patents
Shifting mechanism of transmission of electric bicycle Download PDFInfo
- Publication number
- CN201513551U CN201513551U CN2009201288538U CN200920128853U CN201513551U CN 201513551 U CN201513551 U CN 201513551U CN 2009201288538 U CN2009201288538 U CN 2009201288538U CN 200920128853 U CN200920128853 U CN 200920128853U CN 201513551 U CN201513551 U CN 201513551U
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- input
- gear
- gearshift
- low speed
- output
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- Expired - Lifetime
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Abstract
The utility model discloses a shifting mechanism of of a transmission an electric bicycle, consisting of a shifting control mechanism, a shifting fork mechanism, a synchronizer, an input mechanism and an output mechanism, wherein the shifting control mechanism is provided with a shifting connecting shaft (2) which is connected with the shifting fork mechanism; the shifting fork mechanism is connected with the synchronizer which is connected with the input mechanism; and the input mechanism is provided with an input shifting gear group which is connected with the output mechanism. The shifting mechanism is characterized in that the shifting fork mechanism comprises a cam (4) and a shifting fork (5), wherein the cam (4) is fixedly sheathed on the shifting connecting shaft (2). The transmission shifting mechanism of the electric bicycle has the remarkable effects of being simple in operation and convenient for control, and reliably realizing high, low neutral gear switching of the electric bicycle.
Description
Technical field
The utility model belongs to a kind of gearshift, particularly relates to the shifter of transmission in a kind of electric motor car.
Background technique
Modern Motor Vehicle all is provided with gearshift, by the speed regulation of gearshift realization to power system.Gearbox shifting device as automobile, gearbox shifting device mainly is made up of gear shift control mechanism, shifting fork mechanism, input mechanism and output mechanism, wherein gear shift control mechanism be provided with the gearshift coupling shaft (2) be connected with shifting fork mechanism, described input mechanism of this shifting fork mechanism or output mechanism are connected, described input mechanism and output mechanism all are provided with the power shift gear group, and the power shift gear group that described shifting fork mechanism is controlled described input mechanism and output mechanism is meshing with each other or separates.
At present, new-energy automobile is becoming the exploitation of exploitation focus, particularly electric vehicle, has become the emphasis of new-energy automobile exploitation.For the gearbox of electric vehicle, the common practice of each automobile production producer is after the manual transmission on the fuel-engined vehicle or automatic clutch gearbox are carried out adaptation, to indiscriminately imitate on the electric vehicle, and existing deficiency is:
Adopt manual transmission, control drag-line mechanism by the cooperation of clutch pedal and gear shifting rod, make shift fork slippage on guide rod, promote synchronizer clutch collar change engagement object by shift fork and realize variable block, not only controlling unit is many, handles loaded down with trivial detailsly, and the variable block reliability is relatively poor, and the complex structure of manual transmission, bulky, can increase the cost and the weight of electric vehicle.
The model utility content
The purpose of this utility model is that a kind of manipulation of proposition is simple, the reliable electric vehicle transmission gearshift of control.
For achieving the above object, the utility model provides a kind of electric vehicle transmission gearshift, by gear shift control mechanism, shifting fork mechanism, synchronizer, input mechanism and output mechanism are formed, wherein gear shift control mechanism be provided with the gearshift coupling shaft be connected with shifting fork mechanism, this shifting fork mechanism is connected with described synchronizer, this synchronizer is connected with described input mechanism, described input mechanism is provided with input power shift gear group and is connected with described output mechanism, its key is: described gear shift control mechanism also comprises shift motor, and this shift motor connects described gearshift coupling shaft through worm couple;
Described shifting fork mechanism comprises cam and shift fork, and its cam is solidly set on the described gearshift coupling shaft, and the top of described shift fork is " U " shape piece, and described cam is positioned at this " U " shape piece; The bottom of described shift fork is semicircle anchor ear, the bottom of the closed end of this semicircle anchor ear and described " U " shape piece is connected as a single entity, this closed end also has through hole, kink has the gearshift axle on this through hole, this gearshift axle is the right angle with the space angle of described gearshift coupling shaft, and this semicircle anchor ear is connected with described synchronizer;
Described synchronizer is made up of tooth drum and tooth cover, wherein the tooth cover is connected with described semicircle anchor ear, this tooth cover is the annulus of inner ring belt wheel tooth, described tooth drum is the annulus of outer ring belt wheel tooth, described tooth drum is sleeved in this tooth cover, the gear teeth of the two are meshing with each other, and the tooth drum is also fixedlyed connected with described input mechanism;
Described input mechanism is provided with input shaft, described tooth drum is solidly set on this input shaft, described input power shift gear group is made up of input high gear and input low speed gear, input high gear and input low speed gear are sleeved on the input shaft, and input high gear and input low speed gear branch are listed in the both sides of described synchronizer, also be fixed with the high speed wheel rim on the described input high gear, this high speed wheel rim contacts with the left side of described tooth cover, also be fixed with the low speed wheel rim on the described input low speed gear, this low speed wheel rim contacts with the right side of described tooth cover.
The tooth drum is meshing with each other with the gear teeth of tooth cover, the two can be along the slip that is parallel to each other of gear teeth striped, when shift fork drive tooth cover slides to the left or to the right, the tooth cover just is connected with low speed wheel rim, the high speed wheel rim on its left side or right side respectively, guarantee also simultaneously that the tooth cover can not come off from the tooth drum, high speed wheel rim and low speed wheel rim have the gear teeth equally and match with the inner ring gear teeth of tooth cover.
After tooth cover and high speed wheel rim or low speed wheel rim connected together, input shaft rotated, and just drove input high gear or input low speed gear and input shaft by tooth drum, tooth cover, high speed wheel rim or low speed wheel rim and rotated synchronously, had realized at a high speed or the low speed transmission.
After the tooth cover was got back to the neutral position, the tooth cover broke away from high speed wheel rim and low speed wheel rim, input shaft idle running this moment, both neutral.
This structure is handled high and low, the neutral switching that has realized electric motor car simply, easily and reliably.
Fix described worm screw on the output shaft of described shift motor, be solidly set on the described gearshift coupling shaft with the worm gear of this worm meshing.
Between described input high gear and the described input shaft, all be to be connected between input low speed gear and the described input shaft through needle bearing.
Described input shaft is parallel with described gearshift axle, and this input shaft is also parallel with the output shaft of described output mechanism.
On described output shaft, be installed with output high gear and output low speed gear, the three constitutes described output mechanism, under described synchronizer control, described input high gear is meshing with each other with the output high gear or separates, and described input low speed gear is meshing with each other with the output low speed gear or separates.
The radius of input high gear is less than the radius of output high gear, and the radius of input low speed gear is greater than output output low speed gear radius.
Also be set with retainer on the described gearshift coupling shaft, this retainer is a rectangle frame, and this rectangle frame has through hole, and " U " shape piece on described shift fork top stretches in the rectangle frame through this through hole, and described cam is positioned at this retainer.
The retainer coupling shaft that promptly can prevent to shift gears is swung, can carry out spacing to cam again, guarantee that cam can rotate reliably in " U " shape piece, the cam convex surface towards, just determined the locality of " U " shape piece, also just determined the tooth cover be with the socket of high speed wheel rim or with the socket of low speed wheel rim.
The outer ring of described tooth cover has a circle chute, and the semicircle anchor ear of described shift fork bottom inserts in this chute.When the tooth cover rotates with input shaft, tooth cover and semicircle anchor ear slide relative, but semicircle anchor ear stretches into chute, arbitrarily the left and right sides is parallel mobile to have limited the tooth cover, can only follow the translation of semicircle anchor ear and translation.
Remarkable result of the present utility model is: provide a kind of manipulation simple, control electric vehicle transmission gearshift easily, realized that reliably high and low, the neutral of electric motor car switched.
Description of drawings
Fig. 1 is gearshift structural assembly figure of the present utility model;
Fig. 2 is the structural representation of worm and gear;
Fig. 3 is the assembly structure figure of cam and shift fork;
Fig. 4 is the assembly structure figure of the utility model in gearshift.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As Fig. 1, shown in 2: the utility model provides a kind of electric vehicle transmission gearshift, by gear shift control mechanism, shifting fork mechanism, synchronizer, input mechanism and output mechanism are formed, wherein gear shift control mechanism be provided with the gearshift coupling shaft 2 be connected with shifting fork mechanism, this shifting fork mechanism is connected with described synchronizer, this synchronizer is connected with described input mechanism, described input mechanism is provided with input power shift gear group and is connected with described output mechanism, described gear shift control mechanism also comprises shift motor 3, and this shift motor 3 connects described gearshift coupling shaft 2 through worm gear 10 worm screws 11 are secondary;
Shown in Fig. 2,3: as described in shifting fork mechanism comprise cam 4 and shift fork 5, its cam 4 is solidly set on the described gearshift coupling shaft 2, the top of described shift fork 5 is " U " shape piece, described cam 4 is positioned at this " U " shape piece; The bottom of described shift fork 5 is semicircle anchor ear, the bottom of the closed end of this semicircle anchor ear and described " U " shape piece is connected as a single entity, this closed end also has through hole, kink has gearshift axle 6 on this through hole, this gearshift axle 6 is the right angle with the space angle of described gearshift coupling shaft 2, and this semicircle anchor ear is connected with described synchronizer;
Described synchronizer is made up of tooth drum 15 and tooth cover 16, wherein tooth cover 16 is connected with described semicircle anchor ear, this tooth cover 16 is the annulus of inner ring belt wheel tooth, described tooth drum 15 is the annulus of outer ring belt wheel tooth, described tooth drum 15 is sleeved in this tooth cover 16, the gear teeth of the two are meshing with each other, and tooth drum 15 is also fixedlyed connected with described input mechanism;
As Fig. 3, shown in 4: described input mechanism is provided with input shaft 7, described tooth drum 15 is solidly set on this input shaft 7, described input power shift gear group is made up of input high gear 8 and input low speed gear 8 ', input high gear 8 and input low speed gear 8 ' are sleeved on the input shaft 7, and input high gear 8 and input low speed gear 8 ' divide the both sides that are listed in described synchronizer, also be fixed with high speed wheel rim 1 on the described input high gear 8, this high speed wheel rim 1 contacts with the left side of described tooth cover 16, also be fixed with low speed wheel rim 1 ' on the described input low speed gear 8 ', this low speed wheel rim 1 ' contacts with the right side of described tooth cover 16.
As shown in Figure 2: fix on the output shaft of described shift motor 3 and state worm screw 11, the worm gear 10 that meshes with this worm screw 11 is solidly set on the described gearshift coupling shaft 2.
Between described input high gear 8 and the described input shaft 7, all be to be connected between input low speed gear 8 ' and the described input shaft 7 through needle bearing.
Shown in Fig. 3,4: as described in input shaft 7 with as described in gearshift axle 6 parallel, this input shaft 7 is also parallel with the output shaft 17 of described output mechanism.
On described output shaft 17, be installed with output high gear 18 and output low speed gear 18 ', the three constitutes described output mechanism, under described synchronizer control, described input high gear 8 is meshing with each other with output high gear 18 or separates, and described input low speed gear 8 ' is meshing with each other with output low speed gear 18 ' or separates.
As shown in Figure 1: also be set with retainer 12 on the described gearshift coupling shaft 2, this retainer 12 is a rectangle frame, and this rectangle frame has through hole, and " U " shape piece on described shift fork 5 tops stretches in the rectangle frame through this through hole, and described cam 4 is positioned at this retainer 12.
The outer ring of described tooth cover 16 has a circle chute, and the semicircle anchor ear of described shift fork 5 bottoms inserts in this chute.
Its working principle is:
Shown in Fig. 1,2,3,4: shift motor 3 work, to move retaining coupling shaft 2 by worm gear 10 worm screws 11 subbands and rotate, the cam 4 on the gearshift coupling shaft 2 rotates in " U " shape piece.
When the convex surface of cam 4 during towards the left side, " U " shape piece and whole shift fork 5 are driven to left, and the low speed wheel rim 1 ' that shift fork 5 drives teeth cover 16 and the left side joins, and this moment, tooth cover 16 the gear teeth both were meshed with tooth drum 15, were meshed with low speed wheel rim 1 ' again.Input shaft drives tooth drum 15, tooth cover 16, low speed wheel rim 1 ' and input low speed gear 8 ' and rotates, and input low speed gear 8 ' drives output low speed gear 18 ' and rotates, and output low speed gear 18 ' passes driving wheel by output shaft 17.The radius of input low speed gear 8 ' is less than the radius of output low speed gear 18 '.
When the convex surface of cam 4 during towards the right, " U " shape piece and whole shift fork 5 are driven to right translation, and the high speed wheel rim 1 that shift fork 5 drives teeth cover 16 and the right joins, and this moment, tooth cover 16 the gear teeth both were meshed with tooth drum 15, were meshed with high speed wheel rim 1 again.Input shaft drives tooth drum 15, tooth cover 16, high speed wheel rim 1 and input high gear 8 and rotates, and input high gear 8 drives output high gears 18 and rotates, and output high gear 18 passes driving wheel by output shaft 17.The radius of input high gear 8 is greater than the radius of output high gear 18.
Claims (7)
1. electric vehicle transmission gearshift, by gear shift control mechanism, shifting fork mechanism, synchronizer, input mechanism and output mechanism are formed, wherein gear shift control mechanism be provided with the gearshift coupling shaft (2) be connected with shifting fork mechanism, this shifting fork mechanism is connected with described synchronizer, this synchronizer is connected with described input mechanism, described input mechanism is provided with input power shift gear group and is connected with described output mechanism, it is characterized in that: described gear shift control mechanism also comprises shift motor (3), and this shift motor (3) is through the secondary described gearshift coupling shaft (2) that connects of worm gear (10) worm screw (11);
Described shifting fork mechanism comprises cam (4) and shift fork (5), and its cam (4) is solidly set on the described gearshift coupling shaft (2), and the top of described shift fork (5) is " U " shape piece, and described cam (4) is positioned at this " U " shape piece; The bottom of described shift fork (5) is semicircle anchor ear, the bottom of the closed end of this semicircle anchor ear and described " U " shape piece is connected as a single entity, this closed end also has through hole, kink has gearshift axle (6) on this through hole, this gearshift axle (6) is the right angle with the space angle of described gearshift coupling shaft (2), and this semicircle anchor ear is connected with described synchronizer;
Described synchronizer is made up of tooth drum (15) and tooth cover (16), wherein tooth cover (16) is connected with described semicircle anchor ear, this tooth cover (16) is the annulus of inner ring belt wheel tooth, described tooth drum (15) is the annulus of outer ring belt wheel tooth, described tooth drum (15) is sleeved in this tooth cover (16), the gear teeth of the two are meshing with each other, and tooth drum (15) is also fixedlyed connected with described input mechanism;
Described input mechanism is provided with input shaft (7), described tooth drum (15) is solidly set on this input shaft (7), described input power shift gear group is made up of input high gear (8) and input low speed gear (8 '), input high gear (8) and input low speed gear (8 ') are sleeved on the input shaft (7), and input high gear (8) and input low speed gear (8 ') divide the both sides that are listed in described synchronizer, also be fixed with high speed wheel rim (1) on the described input high gear (8), this high speed wheel rim (1) contacts with the left side of described tooth cover (16), also be fixed with low speed wheel rim (1 ') on the described input low speed gear (8 '), this low speed wheel rim (1 ') contacts with the right side of described tooth cover (16).
2. according to the described electric vehicle transmission gearshift of claim 1, it is characterized in that: fix described worm screw (11) on the output shaft of described shift motor (3), the worm gear (10) that meshes with this worm screw (11) is solidly set on the described gearshift coupling shaft (2).
3. according to the described electric vehicle transmission gearshift of claim 1, it is characterized in that: between described input high gear (8) and the described input shaft (7), all be to be connected between input low speed gear (8 ') and the described input shaft (7) through needle bearing.
4. according to the described electric vehicle transmission gearshift of claim 1, it is characterized in that: described input shaft (7) is parallel with described gearshift axle (6), and this input shaft (7) is also parallel with the output shaft (17) of described output mechanism.
5. according to the described electric vehicle transmission gearshift of claim 4, it is characterized in that: on described output shaft (17), be installed with output high gear (18) and output low speed gear (18 '), the three constitutes described output mechanism, under described synchronizer control, described input high gear (8) is meshing with each other with output high gear (18) or separates, and described input low speed gear (8 ') is meshing with each other with output low speed gear (18 ') or separates.
6. according to the described electric vehicle transmission gearshift of claim 1, it is characterized in that: also be set with retainer (12) on the described gearshift coupling shaft (2), this retainer (12) is a rectangle frame, this rectangle frame has through hole, " U " shape piece on described shift fork (5) top stretches in the rectangle frame through this through hole, and described cam (4) is positioned at this retainer (12).
7. according to the described electric vehicle transmission gearshift of claim 1, it is characterized in that: the outer ring of described tooth cover (16) has a circle chute, and the semicircle anchor ear of described shift fork (5) bottom inserts in this chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201288538U CN201513551U (en) | 2009-09-16 | 2009-09-16 | Shifting mechanism of transmission of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201288538U CN201513551U (en) | 2009-09-16 | 2009-09-16 | Shifting mechanism of transmission of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513551U true CN201513551U (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201288538U Expired - Lifetime CN201513551U (en) | 2009-09-16 | 2009-09-16 | Shifting mechanism of transmission of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513551U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648518B (en) * | 2009-09-16 | 2013-01-02 | 重庆蓝黛动力传动机械股份有限公司 | Speed changer of electric car |
| CN103950372A (en) * | 2014-05-09 | 2014-07-30 | 江广法 | Plug-in type hybrid electric vehicle |
| CN104791427A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear automatic transmission assembly of pure electric four-wheel car |
| CN105570449A (en) * | 2016-01-27 | 2016-05-11 | 台州市大泰机电有限公司 | Electric gear shifting mechanism for motor of electric vehicle |
-
2009
- 2009-09-16 CN CN2009201288538U patent/CN201513551U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648518B (en) * | 2009-09-16 | 2013-01-02 | 重庆蓝黛动力传动机械股份有限公司 | Speed changer of electric car |
| CN103950372A (en) * | 2014-05-09 | 2014-07-30 | 江广法 | Plug-in type hybrid electric vehicle |
| CN104791427A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear automatic transmission assembly of pure electric four-wheel car |
| CN105570449A (en) * | 2016-01-27 | 2016-05-11 | 台州市大泰机电有限公司 | Electric gear shifting mechanism for motor of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING LANDAI POWER TRANSMISSION MACHINERY CO., Free format text: FORMER NAME: CHONGQING LANDAI INDUSTRY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 402760 Hexi area, Hexi Industrial Zone, Bishan County, Chongqing Patentee after: Chongqing Landai Powertrain Co., Ltd. Address before: 402760, 8 star road, Bishan County, Chongqing Patentee before: Chongqing Landai Industry Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 402760, 100, sword Hill Road, Bi Quan street, Bishan District, Chongqing Patentee after: Chongqing Landai Powertrain Co., Ltd. Address before: 402760 Hexi area, Hexi Industrial Zone, Bishan County, Chongqing Patentee before: Chongqing Landai Powertrain Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |