CN202719121U - Electromagnet automatic gear shifting device of electric vehicle - Google Patents
Electromagnet automatic gear shifting device of electric vehicle Download PDFInfo
- Publication number
- CN202719121U CN202719121U CN 201220101441 CN201220101441U CN202719121U CN 202719121 U CN202719121 U CN 202719121U CN 201220101441 CN201220101441 CN 201220101441 CN 201220101441 U CN201220101441 U CN 201220101441U CN 202719121 U CN202719121 U CN 202719121U
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- China
- Prior art keywords
- electromagnet
- output shaft
- shaft
- synchronizer
- shift
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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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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model discloses an electromagnet automatic gear shifting device of an electric vehicle. A synchronizer slide drum is arranged on an output shaft and is connected with the output shaft through a spline; a synchronizer slide bushing is sleeved on the outer ring of the synchronizer slide drum; the synchronizer slide drum is connected with the synchronizer slide drum bushing through the spline; the synchronizer slide drum bushing can axially move relative to the synchronizer slide drum; the output shaft is also provided with driven gears with different numbers of teeth; the driven gears can freely rotate on the output shaft; and an output shaft pinion is fixedly arranged on the output shaft and is used for transferring power to a differential bull gear.
Description
Technical field
The utility model belongs to automatic transmission AMT technical field, employing be the electrical actuation mode, relate in particular to a kind of electromagnet automatic gear shift apparatus.
Background technique
The electric vehicle of domestic present production and use does not fill uses automatic speed variator, automatic speed changing gear shift part or bottleneck.The utility model has solved the self-shifting problem of automatic transmission, adopts the mode of electrical actuation, and control section is by ECU (Electrical Control Unit) TCU analysing and processing, and do-part is realized by electromagnet.
The model utility content
The purpose of this utility model provides a kind of simple in structure, advantage rapid, that do not have integrating error and cost simple in structure of shifting gears.
The technological scheme that its technical problem that solves the utility model adopts is:
At output shaft the sliding drum of synchronizer is housed, the sliding drum of synchronizer is connected with output shaft by spline, the outer ring sleeve of the sliding drum of synchronizer has the synchronizer sliding sleeve, the sliding drum of synchronizer is connected by the sliding drum cover of spline and synchronizer, the sliding drum of the synchronizer relative synchronizer of sliding drum cover can axially move, and also is provided with the driven gear of the different numbers of teeth on the output shaft, and driven gear can rotate freely at output shaft, be fixed with the output shaft small gear on the output shaft, it is that power is passed to the differential mechanism gearwheel.
According to top described a kind of automatic electromagnet shift device for electric vehicles, described plural electromagnet.Described electromagnet is the two ends that electromagnet is located at declutch shift shaft, is provided with electromagnetic core in the electromagnet, and electromagnetic core moves declutch shift shaft is moved axially.
Two ends are connected with 2 electromagnet on the described declutch shift shaft, the axle center of declutch shift shaft and electromagnet on same axle center, electromagnet casing is fixed on the gearbox case, the mandrel of establishing in electromagnet shaft core and the hollow main shaft contacts, but the electromagnetic core move left and right drives declutch shift shaft and moves axially, left and right sides electromagnet is used can have three positions, make shift fork can get back to neutral position, as adopt speed changer more than two grades, can adopt four electromagnet.
The utility model is the demand for the present electric automobile market of China, and electric vehicle requires to design from low speed to high speed in order to satisfy, and it can in the situation of the different speed of a motor vehicle, realize self-shifting.
The beneficial effects of the utility model are:
1, the utility model drives shift fork and then drives the synchronizer sliding sleeve by electromagnet and carries out the automatic switchover of gear.
2, of the present utility model simple in structure, gear conversion flexibility and reliability, good operating stability, rate of fault is little, and the life-span is long.
3, the utility model automatic transmission of being applicable to the power such as electric vehicle and hybrid power engine is used.
Description of drawings
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model embodiment 1 schematic diagram;
Fig. 3 is the utility model embodiment 2 schematic diagrams.
Among the figure: 1. left gear shift electromagnet, 2. hall position sensor, 3. declutch shift shaft, 4. right gear shift electromagnet, 5. positioning ball, 6. shift fork, 7. permanent magnet, 8. synchronizer sliding sleeve, 9 output shafts, the 10. sliding drum of synchronizer.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
Change a gear:
When left gear shift electromagnet (1) and right gear shift electromagnet (4) no electric circuit, shift fork (6) rests on neutral position (neutral), and during left gear shift electromagnet (1) energising, left gear shift electromagnet (1) mandrel moves right, driving declutch shift shaft (3) moves right
Shift fork (6) drives synchronizer sliding sleeve (8) and moves right, enter one grade, steel ball (5) compresses declutch shift shaft (3) under spring action, it is fixed, permanent magnet (7) is fixed on shift fork (6) upward and a Hall transducer in the Hall transducer (2) approaches the generation voltage signal, voltage signal is passed to ECU (Electrical Control Unit), shows one grade of gear in instrument.
Shift into second:
During right gear shift electromagnet (4) energising, right gear shift electromagnet (1) mandrel is moved to the left, driving declutch shift shaft (3) is moved to the left, shift fork (6) drives synchronizer sliding sleeve (8) and is moved to the left, enter second gear, steel ball (5) compresses declutch shift shaft (3) under spring action, it is fixed, permanent magnet (7) is fixed on shift fork (6) upward and a Hall transducer in the Hall transducer (2) approaches the generation voltage signal, voltage signal is passed to ECU (Electrical Control Unit), shows the second gear gear in instrument.
Above-described embodiment is preferred embodiment of the present utility model only, is not to limit according to this protection domain of the present utility model, so: all equivalences of doing according to structure of the present utility model, shape, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (3)
1. automatic electromagnet shift device for electric vehicles, it is characterized in that: two ends are connected with 2 electromagnet on the declutch shift shaft, the axle center of declutch shift shaft and electromagnet on same axle center, electromagnet casing is fixed on the gearbox case, the mandrel of establishing in electromagnet shaft core and the hollow main shaft contacts, but the electromagnetic core move left and right drives declutch shift shaft and moves axially, left and right sides electromagnet is used can have three positions, make shift fork can get back to neutral position, as adopt speed changer more than two grades, can adopt four electromagnet.
2. a kind of automatic electromagnet shift device for electric vehicles according to claim 1 is characterized in that: described plural electromagnet.
3. a kind of automatic electromagnet shift device for electric vehicles according to claim 1, it is characterized in that: described electromagnet is the two ends that electromagnet is located at declutch shift shaft, is provided with electromagnetic core in the electromagnet, electromagnetic core moves declutch shift shaft is moved axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220101441 CN202719121U (en) | 2012-03-19 | 2012-03-19 | Electromagnet automatic gear shifting device of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220101441 CN202719121U (en) | 2012-03-19 | 2012-03-19 | Electromagnet automatic gear shifting device of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202719121U true CN202719121U (en) | 2013-02-06 |
Family
ID=47620945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220101441 Expired - Fee Related CN202719121U (en) | 2012-03-19 | 2012-03-19 | Electromagnet automatic gear shifting device of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202719121U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588582A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic electromagnet shift device for electric vehicles |
| CN103968057A (en) * | 2014-04-30 | 2014-08-06 | 长城汽车股份有限公司 | Automatic transmission gear shifting mechanism |
| CN104847887B (en) * | 2014-05-15 | 2017-03-15 | 北汽福田汽车股份有限公司 | Gearbox shifting mechanism, change speed gear box and vehicle |
| CN112212000A (en) * | 2020-10-19 | 2021-01-12 | 向雨阳 | Automatic transmission |
-
2012
- 2012-03-19 CN CN 201220101441 patent/CN202719121U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588582A (en) * | 2012-03-19 | 2012-07-18 | 江苏铃高电动车有限公司 | Automatic electromagnet shift device for electric vehicles |
| CN103968057A (en) * | 2014-04-30 | 2014-08-06 | 长城汽车股份有限公司 | Automatic transmission gear shifting mechanism |
| CN104847887B (en) * | 2014-05-15 | 2017-03-15 | 北汽福田汽车股份有限公司 | Gearbox shifting mechanism, change speed gear box and vehicle |
| CN112212000A (en) * | 2020-10-19 | 2021-01-12 | 向雨阳 | Automatic transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20140319 |