CN203796866U - Two-gear speed change mechanism for electric vehicle - Google Patents
Two-gear speed change mechanism for electric vehicle Download PDFInfo
- Publication number
- CN203796866U CN203796866U CN201420194229.9U CN201420194229U CN203796866U CN 203796866 U CN203796866 U CN 203796866U CN 201420194229 U CN201420194229 U CN 201420194229U CN 203796866 U CN203796866 U CN 203796866U
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- China
- Prior art keywords
- tooth
- gear
- main shaft
- shaft
- countershaft
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Abstract
The utility model discloses a two-gear speed change mechanism for an electric vehicle. The mechanism comprises a secondary shaft which is arranged in the box body of a speed changing box, and a motor driven shaft with a motor driven shaft tooth, wherein an output tooth, a secondary shaft first-gear tooth, a gear shifting sliding block and a secondary shaft second-gear tooth are successively arranged on the secondary shaft, a shifting fork shaft with a shifting fork is arranged in the box body, the shifting fork is clamped on the gear shifting sliding block, a main shaft assembly for stably shifting gears is arranged between the motor driven shaft and the secondary shaft, and a gear on the main shaft assembly is meshed with the motor driven shaft tooth, the secondary shaft first-gear tooth and the secondary shaft second-gear tooth. Through the adoption of the mechanism, the intense impact generated by shifting the gears is avoided, the damage of parts is avoided, and the safety and the comfort are improved; simultaneously, the kinetic energy loss generated by the condition that a drive motor is reversely pulled by back wheels during the sliding is also avoided, and the endurance mileage is extended.
Description
Technical field
The utility model relates to a kind of electric motor car, particularly two grades of gears of a kind of electric motor car.
Background technique
At present, the designed two grades of gears of existing electro-tricycle are in the time carrying out transforming gear, must reduce the speed of a motor vehicle or interrupt power and just can carry out shift, but because shift carriage is in the time that gear tooth is combined, need overcome the rotary inertia of drive motor, make shift carriage and gear tooth can produce very large impact force in conjunction with moment, produce obvious Strike note, when serious, can damage gear, have potential safety hazard, when gearshift, also can produce preshoot or after the discomfort of frustrating.At descending or while sliding, trailing wheel can instead drag drive motor, produces larger resistance, makes car load coasting distance short, and the backward voltage that motor produces simultaneously also easily causes controller to damage.
Model utility content
The purpose of this utility model is exactly to prevent that for electric motor car provides a kind of gearshift mechanism from being impacted and improving Security and the travelling comfort while driving, increases two grades of gears of electric motor car of coasting distance simultaneously.
The purpose of this utility model is to realize by such technological scheme, two grades of gears of a kind of electric motor car, comprise the countershaft that is arranged in gear box and the motor driven shaft of translator driven shaft tooth, on described countershaft, be disposed with output gear, one grade of tooth of countershaft, gear shift slide block and countershaft second gear tooth, in described casing, be provided with the declutch shift shaft with shift fork, described shift fork is stuck on gear shift slide block, it is characterized in that: between described motor driven shaft and countershaft, be provided with and there is the transforming gear of making spindle combinations stably, gear in described spindle combinations and motor driven shaft tooth, one grade of tooth of countershaft and the engagement of countershaft second gear tooth.
Wherein, described spindle combinations comprises main shaft, on described main shaft, be disposed with one grade of tooth of main shaft, lining, main shaft driven tooth, Spring Steel Wire, one-way element and main shaft second gear tooth, described lining is threaded with main spindle multiple spline, on described lining, be arranged with main shaft driven tooth, between described lining and main shaft driven tooth, be provided with one-way element, on the outer wall of described main shaft driven tooth, be provided with Spring Steel Wire, described main shaft driven tooth engages with motor driven shaft tooth, one grade of tooth of one grade of tooth of described main shaft and countershaft engages, described main shaft second gear tooth engages with countershaft second gear tooth, described Spring Steel Wire matches with described casing.
Further, be provided with the casing limited step with casing confined planes on described casing, described Spring Steel Wire has protruding end, and described this protruding end is positioned on casing limited step.
Owing to having adopted technique scheme, the utlity model has design ingenious, manufacture advantage easy for installation, suffered intense impact while adopting it to solve gear shift, avoid the damage of component, Security and travelling comfort are improved, meanwhile, while also having avoided sliding, the anti-kinetic energy loss that drags drive motor to cause of trailing wheel, has extended course continuation mileage.
Brief description of the drawings
Brief description of the drawings of the present utility model is as follows:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is car load Spring Steel Wire present position schematic diagram while advancing;
Fig. 3 is car load Spring Steel Wire present position schematic diagram while retreating.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail; but the utility model is not limited to these mode of executions; any improvement on the present embodiment essence spirit or substitute, still belongs to the utility model claim scope required for protection.
Embodiment 1: as shown in Figure 1, two grades of gears of a kind of electric motor car, comprise the countershaft 2 that is arranged in gear box 1 and the motor driven shaft 4 of translator driven shaft tooth 3, on described countershaft 2, be disposed with output gear 5, one grade of tooth 6 of countershaft, gear shift slide block 7 and countershaft second gear tooth 8, in described casing 1, be provided with the declutch shift shaft 10 with shift fork 9, described shift fork 9 is stuck on gear shift slide block 7, it is characterized in that: between described motor driven shaft 4 and countershaft 2, be provided with and there is the transforming gear of making spindle combinations stably, gear in described spindle combinations and motor driven shaft tooth 3, one grade of tooth 6 of countershaft and countershaft second gear tooth 8 engage.
Further describe, described spindle combinations comprises main shaft 11, on described main shaft 11, be disposed with one grade of tooth 12 of main shaft, lining 13 and main shaft second gear tooth 14, described lining 13 is connected with main shaft 11 spline threads, on described lining 13, be arranged with main shaft driven tooth 15, between described lining 13 and main shaft driven tooth 15, be provided with one-way element 16, on the outer wall of described main shaft driven tooth 15, be provided with Spring Steel Wire 17, described main shaft driven tooth 15 engages with motor driven shaft tooth 3, one grade of tooth 6 of one grade of tooth 12 of described main shaft and countershaft engages, described main shaft second gear tooth 14 engages with countershaft second gear tooth 8, described Spring Steel Wire 17 matches with described casing 1.
As shown in Figure 2,3, be provided with the casing limited step 19 with casing confined planes 18 on described casing 1, described Spring Steel Wire 17 has protruding end 20, and described this protruding end 20 is positioned on casing limited step 19.
The utility model is worked like this: in the time that car load advances, drive motor forward, drive 15 counterrotatings of main shaft driven tooth by the driven shaft tooth 3 of motor, when main shaft driven tooth 15 drives one-way element 16 and lining 13 to carry out counterrotating, due to lining 13 and the effect of the helical spline of main shaft 11, one-way element 16, lining 13, wire spring 17 and main shaft driven tooth 15 move axially, position shown in final arrival Fig. 1, moment of torsion is delivered to lining 13 by one-way element 16, then is delivered to main shaft 11 by helical spline; Now, Spring Steel Wire 17 due to the effect of main shaft driven tooth 15 circular groove frictional forces, originally move axially together with main shaft driven tooth 15, finally on casing limited step 19.
When in car load advances process, oil return is shifted gears, the rotating speed of main shaft 11 surmounts one-way element 16, one-way element 16 skids, car load rear-wheels power and drive motor disconnect, now due to the effect of helical spline, the trend of main shaft driven tooth 15, one-way element 16, one grade of tooth 6 axial motion of the oriented main shaft of lining 13, but because Spring Steel Wire 17 is on casing limited step 19, finally overcome the axial tension that helical spline produces, make main shaft driven tooth 15, one-way element 16, lining 13 can not produce and move axially; Shift carriage 7 under the drive of selector fork axle 10 with moment of countershaft second gear tooth 8 combinations, only need overcome the rotary inertia of main shaft 11 and countershaft second gear tooth 8 thereof, because the required rotary inertia overcoming is less, shift carriage 7 is also very little with the impact force that countershaft second gear tooth 8 produced in conjunction with moment, can not send very large Strike note, thereby realize the steady conversion of gear.
When car load downhill running, one-way element 16 skids, and rear-wheels power and drive motor disconnect, and can instead not drag drive motor, avoid the loss of energy, slide at a distance thereby realize car load.
When car load reverse gear, drive motor reversion, drive main shaft driven tooth 15 by motor driven shaft tooth 3, one-way element 16, lining 13 is rotated in the forward, Spring Steel Wire 17 exits casing limited step 19 under the effect of frictional force, because one-way element 16 is rotated in the forward, one-way element 16 skids, moment of torsion can not be delivered to main shaft 11 by one-way element 16, but due to lining 13 and the effect of main shaft 11 helical splines, main shaft driven tooth 15, one-way element 16, lining 13 will move axially to main shaft second gear tooth 14 directions, the ratchet of final main shaft driven tooth 15 combines with main shaft second gear tooth 14, finally realize the transmission of moment of torsion, car load is realized normal reverse gear.
Claims (2)
1. two grades of gears of an electric motor car, comprise and be arranged on the interior countershaft (2) of gear box (1) and the motor driven shaft (4) of translator driven shaft tooth (3), on described countershaft (2), be disposed with output gear (5), one grade of tooth of countershaft (6), gear shift slide block (7) and countershaft second gear tooth (8), in described casing (1), be provided with the declutch shift shaft (10) of band shift fork (9), described shift fork (9) is stuck on gear shift slide block (7), it is characterized in that: between described motor driven shaft (4) and countershaft (2), be provided with and there is the transforming gear of making spindle combinations stably, gear in described spindle combinations and motor driven shaft tooth (3), one grade of tooth of countershaft (6) and countershaft second gear tooth (8) engagement, described spindle combinations comprises main shaft (11), on described main shaft (11), be disposed with one grade of tooth of main shaft (12), lining (13) and main shaft second gear tooth (14), described lining (13) is connected with main shaft (11) spline thread, on described lining (13), be arranged with main shaft driven tooth (15), between described lining (13) and main shaft driven tooth (15), be provided with one-way element (16), on the outer wall of described main shaft driven tooth (15), be provided with Spring Steel Wire (17), described main shaft driven tooth (15) engages with motor driven shaft tooth (3), one grade of tooth of described main shaft (12) engages with one grade of tooth of countershaft (6), described main shaft second gear tooth (14) engages with countershaft second gear tooth (8), described Spring Steel Wire (17) matches with described casing (1).
2. two grades of gears of electric motor car as claimed in claim 1, it is characterized in that: on described casing (1), be provided with the casing limited step (19) with casing confined planes (18), described Spring Steel Wire (17) has protruding end (20), and described this protruding end (20) is positioned on casing limited step (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194229.9U CN203796866U (en) | 2014-04-22 | 2014-04-22 | Two-gear speed change mechanism for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194229.9U CN203796866U (en) | 2014-04-22 | 2014-04-22 | Two-gear speed change mechanism for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796866U true CN203796866U (en) | 2014-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420194229.9U Expired - Fee Related CN203796866U (en) | 2014-04-22 | 2014-04-22 | Two-gear speed change mechanism for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796866U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279321A (en) * | 2014-09-18 | 2015-01-14 | 范兆军 | Rear axle gear shifting speed change device of electric vehicle |
| CN106321813A (en) * | 2016-11-10 | 2017-01-11 | 吉林大学 | Electric vehicle transmission with linkage gear shifting actuation mechanism and gear shifting control method of electric vehicle transmission with linkage gear shifting actuation mechanism |
| CN106641124A (en) * | 2017-01-11 | 2017-05-10 | 江苏泰隆减速机股份有限公司 | Double speed ratio gear reducer for workover rig winch |
| CN107939915A (en) * | 2017-12-14 | 2018-04-20 | 茵卡动力新能源江苏有限公司 | A kind of two grades of transfer case shift mechanisms |
| CN114001156A (en) * | 2021-11-23 | 2022-02-01 | 重庆宗申集研机电科技有限公司 | Gear shifting mechanism and two-gear automatic gear shifting system |
| CN115318482A (en) * | 2022-10-13 | 2022-11-11 | 南通美光汽车用品有限公司 | Pneumatic liquid filling machine feeding volume adjustment mechanism is used in production of car wax polish |
-
2014
- 2014-04-22 CN CN201420194229.9U patent/CN203796866U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279321A (en) * | 2014-09-18 | 2015-01-14 | 范兆军 | Rear axle gear shifting speed change device of electric vehicle |
| CN106321813A (en) * | 2016-11-10 | 2017-01-11 | 吉林大学 | Electric vehicle transmission with linkage gear shifting actuation mechanism and gear shifting control method of electric vehicle transmission with linkage gear shifting actuation mechanism |
| CN106641124A (en) * | 2017-01-11 | 2017-05-10 | 江苏泰隆减速机股份有限公司 | Double speed ratio gear reducer for workover rig winch |
| CN107939915A (en) * | 2017-12-14 | 2018-04-20 | 茵卡动力新能源江苏有限公司 | A kind of two grades of transfer case shift mechanisms |
| CN114001156A (en) * | 2021-11-23 | 2022-02-01 | 重庆宗申集研机电科技有限公司 | Gear shifting mechanism and two-gear automatic gear shifting system |
| CN115318482A (en) * | 2022-10-13 | 2022-11-11 | 南通美光汽车用品有限公司 | Pneumatic liquid filling machine feeding volume adjustment mechanism is used in production of car wax polish |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190516 Address after: 400054 Second Floor of 12 Blocks 126 Yunan Avenue, Banan District, Chongqing Patentee after: Chongqing Zongshen Jiyan Mechanical and Electrical Technology Co., Ltd. Address before: 400054 Zong Shen industrial park, Banan District, Chongqing Patentee before: Chongqing Zongshen Engine Manufacturing Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20200422 |