CN104896029A - Electric car transmission - Google Patents
Electric car transmission Download PDFInfo
- Publication number
- CN104896029A CN104896029A CN201510245835.8A CN201510245835A CN104896029A CN 104896029 A CN104896029 A CN 104896029A CN 201510245835 A CN201510245835 A CN 201510245835A CN 104896029 A CN104896029 A CN 104896029A
- Authority
- CN
- China
- Prior art keywords
- pellet
- axle sleeve
- limited ring
- gear
- slide block
- 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.)
- Pending
Links
Classifications
-
- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an electric car transmission. The transmission comprises a case. A main front half shaft, a main rear half shaft sleeved on the main front half shaft and a middle shaft are arranged in the case. A limit ring is arranged on the case on the other side of a middle shaft sleeve. A limit cavity is formed in the limit ring. A compression ring is sleeved on the middle shaft in the limit cavity transversely. A plurality of pin buffer cavities and spring cavities communicated with the pin buffer cavities are formed in one side of the limit ring uniformly. Buffer pins are filled in the pin buffer cavities, and buffer springs are arranged in the spring cavities. Mounting upper covers matched with the pin buffer cavities are arranged on one side of the limit ring, the ends of the buffer pins stretch out of the mounting upper covers to be matched with the middle shaft sleeve, the mounting upper covers are connected with the limit ring through pins, snapping grooves matched with the locking heads of the pins are formed in the mounting upper covers, and the depths of the snapping grooves are larger than the heights of the locking heads.
Description
Technical field
The present invention relates to a kind of gearbox, particularly relate to a kind of electric automobile gear-box.
Background technique
Automobile is the traffic tool that the mankind are indispensable, but increasing the weight of along with environmental pollution, the continuous minimizing of non-renewable resources, people more and more favor the R and D in electric vehicle.Gearbox is the vitals of electric vehicle, traditional gearbox is all manually shift fork speed change, complex operation, easily stop working when shifting gears, and the complex structure of gearbox, not easily install, people can not be met drive the smoothness of electric vehicle, existing gearbox jack shaft is enclosed within the process of rotation and can produces larger friction with limit stoper simultaneously, and wearing and tearing are severe, reduce the working life of gearbox.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of can the electric automobile gear-box of long service life.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: electric automobile gear-box, comprise: casing, main half front axle is provided with in described casing, be set in semiaxis and jack shaft after the master on main half front axle, described main half front axle is provided with driving gear, described driving gear is integrally fixed by spline and main half front axle, after described master, semiaxis is provided with collar bush, described collar bush is provided with driven gear, the diameter of driving gear is less than the diameter of driven gear, described jack shaft is provided with middle axle sleeve, described jack shaft cover is provided with driven front gear and driven backgear, slide block is provided with in the casing of described middle axle sleeve side, the lower slide of described slide block arranges on center shaft and offsets with central axle sleeve, the upper end of described slide block is slidably located on oil inlet pipe, described oil inlet pipe stretches out casing and is connected with hydraulic power system, oil sealing is provided with between described slide block and central shaft, sealing gasket is provided with between described slide block and oil inlet pipe, the casing of the opposite side of described middle axle sleeve is provided with limited ring, limit chamber is provided with in described limited ring, jack shaft in described limit chamber is laterally arranged with stage clip, one end and the middle axle sleeve of described stage clip offset, the other end and the limited ring of described stage clip offset, the spring chamber being evenly provided with some pellet buffer cavitys in the side of described limited ring and being connected with pellet buffer cavity, buffering pellet is filled with in described pellet buffer cavity, damping spring is provided with in described spring chamber, one end of described damping spring offsets with buffering pellet, the other end and the limited ring of described damping spring offset, the installation upper cover cooperatively interacted with pellet buffer cavity is provided with in the side of described limited ring, installing upper cover is located in pellet buffer cavity by buffering elastic subcard, one end of described buffering pellet stretches out installation upper cover and middle axle sleeve cooperatively interacts, described installation upper cover is connected with limited ring by pin, the draw-in groove covering and be provided with and cooperatively interact with the locking head of pin is installed described, the degree of depth of described draw-in groove is greater than the height of locking head.
Advantage of the present invention is: above-mentioned electric automobile gear-box, automatic speed changing function can be realized, freely switch between top gear and bottom gear as required, meet the demand of different road conditions, simple to operate, gearbox designs is compact simultaneously, easy for installation, meet people to drive the smoothness of electric vehicle, on limit stoper, adopt buffering pellet to overlap with jack shaft contact, buffering pellet can be followed middle axle sleeve and be rotated together, avoids the wearing and tearing between middle axle sleeve and limit stoper simultaneously, frictional force is little, gearbox long service life.
Accompanying drawing explanation
Structural representation when Fig. 1 is electric automobile gear-box bottom gear of the present invention.
Structural representation when Fig. 2 is electric automobile gear-box top gear of the present invention.
Fig. 3 is the structure for amplifying schematic diagram at A place in Fig. 2.
Fig. 4 is the left TV structure schematic diagram of limited ring in Fig. 3.
In figure: 1, casing, 2, main half front axle, 3, main after semiaxis, 4, jack shaft, 5, driving gear, 6, collar bush, 7, driven gear, 8, middle axle sleeve, 9, driven front gear, 10, driven backgear, 11, slide block, 12, oil inlet pipe, 13, oil sealing, 14, sealing gasket, 15, limited ring, 16, limit chamber, 17, stage clip, 18, pellet buffer cavity, 19, spring chamber, 20, buffering pellet, 21, damping spring, 22, upper cover is installed, 23, pin, 24, locking head, 25, draw-in groove.
Embodiment
Particular content of the present invention is described in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, electric automobile gear-box, comprise: casing 1, main half front axle 2 is provided with in described casing 1, be set in semiaxis 3 and jack shaft 4 after the master on main half front axle 2, described main half front axle 2 is provided with driving gear 5, described driving gear 5 is integrally fixed by spline and main half front axle 2, after described master, semiaxis 3 is provided with collar bush 6, described collar bush 6 is provided with driven gear 7, the diameter of driving gear 5 is less than the diameter of driven gear 7, described jack shaft 4 is provided with middle axle sleeve 8, described middle axle sleeve 8 is provided with driven front gear 9 and driven backgear 10, slide block 11 is provided with in the casing 1 of described middle axle sleeve 8 side, the lower slide of described slide block 11 to be arranged on central shaft 4 and to offset with central axle sleeve 8, the upper end of described slide block 11 is slidably located on oil inlet pipe 12, described oil inlet pipe 12 stretches out casing 1 and is connected with hydraulic power system, oil sealing 13 is provided with between described slide block 11 and central shaft 4, sealing gasket 14 is provided with between described slide block 11 and oil inlet pipe 12, the casing 1 of the opposite side of described middle axle sleeve 8 is provided with limited ring 15, limit chamber 16 is provided with in described limited ring 15, jack shaft 4 in described limit chamber 16 is laterally arranged with stage clip 17, one end and the middle axle sleeve 8 of described stage clip 17 offset, the other end and the limited ring 15 of described stage clip 17 offset, the spring chamber 19 being evenly provided with some pellet buffer cavitys 18 in the side of described limited ring 15 and being connected with pellet buffer cavity 18, buffering pellet 20 is filled with in described pellet buffer cavity 18, damping spring 21 is provided with in described spring chamber 19, one end of described damping spring 21 offsets with buffering pellet 20, the other end and the limited ring 15 of described damping spring 21 offset, the installation upper cover 22 cooperatively interacted with pellet buffer cavity 18 is provided with in the side of described limited ring 15, installing upper cover 22 is fastened in pellet buffer cavity 18 by buffering pellet 20, one end of described buffering pellet 20 is stretched out installation upper cover 20 and is cooperatively interacted with middle axle sleeve 8, described installation upper cover 22 is connected with limited ring 15 by pin 23, described installation upper cover 22 is provided with the draw-in groove 25 cooperatively interacted with the locking head 24 of pin 23, the degree of depth of described draw-in groove 25 is greater than the height of locking head 24.
During above-mentioned electric automobile gear-box bottom gear, opening hydraulic power system makes the middle axle sleeve 8 of the stressed promotion of slide block 11 move backward to oil inlet pipe 12 oil-feed, stage clip 17 forced compression, when driven front gear 9 engages each other with driving gear 5, driven backgear 10 engages each other with driven gear 8, hydraulic power system keeps power constant, now gearbox is bottom gear, middle axle sleeve 8 offsets with limited ring 15, middle axle sleeve 8 extrudes buffering pellet 20, buffering pellet 20 extrudes damping spring 21, damping spring 21 extrudes limited ring 15, damping spring 21 has reaction force to buffering pellet 20, axle sleeve 8 in the middle of buffering pellet 20 backward extrusion is made to avoid the Contact of middle axle sleeve 8 and limited ring 15, buffering pellet 21 rotates with middle axle sleeve 8, frictional force is little, extend the working life of gearbox.
During above-mentioned electric automobile gear-box top gear, close hydraulic power system, oil inlet pipe 12 is without oil, middle axle sleeve 8 does not stress, stage clip 17 extrudes middle axle sleeve 8 and travels forward, and when driven front gear 9 departs from driving gear 5, driven backgear 10 departs from driven gear 8, stage clip 17 reset keeps the disengaged position between gear, and now gearbox is top gear.
Above-mentioned electric automobile gear-box, automatic speed changing function can be realized, freely switch between top gear and bottom gear as required, meet the demand of different road conditions, simple to operate, gearbox designs is compact simultaneously, easy for installation, meet people to drive the smoothness of electric vehicle, on limit stoper, adopt buffering pellet to overlap with jack shaft contact, buffering pellet can be followed middle axle sleeve and be rotated together, avoids the wearing and tearing between middle axle sleeve and limit stoper simultaneously, frictional force is little, gearbox long service life.
Claims (1)
1. electric automobile gear-box, it is characterized in that: comprising: casing (1), main half front axle (2) is provided with in described casing (1), be set in semiaxis (3) and jack shaft (4) after the master on main half front axle (2), described main half front axle (2) is provided with driving gear (5), described driving gear (5) is integrally fixed by spline and main half front axle (2), after described master, semiaxis (3) is provided with collar bush (6), described collar bush (6) is provided with driven gear (7), the diameter of driving gear (5) is less than the diameter of driven gear (7), described jack shaft (4) is provided with middle axle sleeve (8), described middle axle sleeve (8) is provided with driven front gear (9) and driven backgear (10), slide block (11) is provided with in the casing (1) of described middle axle sleeve (8) side, the lower slide of described slide block (11) is arranged on central shaft (4) and goes up and offset with central axle sleeve (8), the upper end of described slide block (11) is slidably located on oil inlet pipe (12), described oil inlet pipe (12) stretches out casing (1) and is connected with hydraulic power system, oil sealing (13) is provided with between described slide block (11) and central shaft (4), sealing gasket (14) is provided with between described slide block (11) and oil inlet pipe (12), the casing (1) of the opposite side of described middle axle sleeve (8) is provided with limited ring (15), limit chamber (16) is provided with in described limited ring (15), jack shaft (4) in described limit chamber (16) is upper is laterally arranged with stage clip (17), one end and the middle axle sleeve (8) of described stage clip (17) offset, the other end and the limited ring (15) of described stage clip (17) offset, the spring chamber (19) being evenly provided with some pellet buffer cavitys (18) in the side of described limited ring (15) and being connected with pellet buffer cavity (18), buffering pellet (20) is filled with in described pellet buffer cavity (18), damping spring (21) is provided with in described spring chamber (19), one end of described damping spring (21) offsets with buffering pellet (20), the other end and the limited ring (15) of described damping spring (21) offset, the installation upper cover (22) cooperatively interacted with pellet buffer cavity (18) is provided with in the side of described limited ring (15), installation upper cover (2) will cushion pellet (20) and be fastened in pellet buffer cavity (18), one end of described buffering pellet (2) is stretched out installation upper cover (20) and is cooperatively interacted with middle axle sleeve (8), described installation upper cover (22) is connected with limited ring (15) by pin (23), described installation upper cover (22) is provided with the draw-in groove (25) cooperatively interacted with the locking head (24) of pin (23), the degree of depth of described draw-in groove (25) is greater than the height of locking head (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245835.8A CN104896029A (en) | 2015-05-13 | 2015-05-13 | Electric car transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245835.8A CN104896029A (en) | 2015-05-13 | 2015-05-13 | Electric car transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896029A true CN104896029A (en) | 2015-09-09 |
Family
ID=54028890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510245835.8A Pending CN104896029A (en) | 2015-05-13 | 2015-05-13 | Electric car transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896029A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201078447Y (en) * | 2007-07-20 | 2008-06-25 | 河南太行全利(集团)有限公司 | Plane rolling friction apparatus |
| CN101592215A (en) * | 2009-07-10 | 2009-12-02 | 杨国栋 | A kind of used for electric vehicle speed changer |
| CN202203357U (en) * | 2011-07-26 | 2012-04-25 | 浙江吉利汽车研究院有限公司 | Mechanical transmission of electric vehicle |
| DE102011007253A1 (en) * | 2011-04-13 | 2012-10-18 | Schaeffler Technologies AG & Co. KG | Transmission device e.g. for an electrical axis and electrical axis with the transmission device |
| CN204004223U (en) * | 2014-08-01 | 2014-12-10 | 河南超微电动汽车有限公司 | Electric car automatic speed transmission |
| CN204677702U (en) * | 2015-05-13 | 2015-09-30 | 江苏中力齿轮有限公司 | Electric automobile gear-box |
-
2015
- 2015-05-13 CN CN201510245835.8A patent/CN104896029A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201078447Y (en) * | 2007-07-20 | 2008-06-25 | 河南太行全利(集团)有限公司 | Plane rolling friction apparatus |
| CN101592215A (en) * | 2009-07-10 | 2009-12-02 | 杨国栋 | A kind of used for electric vehicle speed changer |
| DE102011007253A1 (en) * | 2011-04-13 | 2012-10-18 | Schaeffler Technologies AG & Co. KG | Transmission device e.g. for an electrical axis and electrical axis with the transmission device |
| CN202203357U (en) * | 2011-07-26 | 2012-04-25 | 浙江吉利汽车研究院有限公司 | Mechanical transmission of electric vehicle |
| CN204004223U (en) * | 2014-08-01 | 2014-12-10 | 河南超微电动汽车有限公司 | Electric car automatic speed transmission |
| CN204677702U (en) * | 2015-05-13 | 2015-09-30 | 江苏中力齿轮有限公司 | Electric automobile gear-box |
Non-Patent Citations (1)
| Title |
|---|
| JIMOLYZ: "万向球样本", 《百度文库》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204677702U (en) | Electric automobile gear-box | |
| CN107763114B (en) | Flexible and vibration-damping clutch based on hydraulic pressure | |
| CN104896029A (en) | Electric car transmission | |
| CN103899728B (en) | A kind of Pneumatic-control type dual planetary gear brake coupling | |
| CN203098618U (en) | Clutch structure capable of improving vehicle starting stationarity | |
| CN204004223U (en) | Electric car automatic speed transmission | |
| CN103498882A (en) | Brake for automatic transmission | |
| CN101254749B (en) | Automobile fuel-economizing inertia gliding apparatus | |
| CN201592761U (en) | Transmission gear-shift assembly of motorbike | |
| CN103895493B (en) | The double-motor assembly of the integrated dual planetary gear brake coupling of a kind of hybrid power passenger car | |
| CN104315027B (en) | A kind of lock-up clutch | |
| CN107529497B (en) | Rod-driven bicycle with clutch speed-changing structure | |
| CN204459092U (en) | A kind of elastic arm vibration damping grips formula gearbox mounting mechanism | |
| CN203836092U (en) | Automatic electromobile gearbox | |
| CN205446577U (en) | Compact two keeps off derailleur | |
| CN203604488U (en) | Stepless speed change clutch for motorcycle | |
| CN205388142U (en) | New energy automobile automatic transmission | |
| CN203176221U (en) | Forced-separating centrifugal clutch | |
| CN202848943U (en) | Hoisting mechanism with variable speed function | |
| CN203656071U (en) | A pneumatic speed change mechanism for a cold drawing machine | |
| CN203670730U (en) | Hydraulic gear shifter | |
| CN103836125A (en) | Automatic transmission of electric automobile | |
| CN209925573U (en) | Radial pushing type gear meshing structure of gearbox | |
| CN105485329A (en) | Automatic gearbox of new energy automobile | |
| CN207363647U (en) | Planetary ring gear type non-beam oil pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150909 |
|
| WD01 | Invention patent application deemed withdrawn after publication |