CN207683336U - A kind of pure electric automobile single reduction gear - Google Patents
A kind of pure electric automobile single reduction gear Download PDFInfo
- Publication number
- CN207683336U CN207683336U CN201721903806.7U CN201721903806U CN207683336U CN 207683336 U CN207683336 U CN 207683336U CN 201721903806 U CN201721903806 U CN 201721903806U CN 207683336 U CN207683336 U CN 207683336U
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- CN
- China
- Prior art keywords
- motor
- gearbox
- water channel
- controller
- electric automobile
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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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model is related to a kind of pure electric automobile single reduction gears, belong to electric vehicle engineering field, including：Sequentially connected back end cover for motor, motor body, motor front end cover, gearbox, controller, water outlet is arranged on motor body and is connected to motor water channel, controller copper bar is arranged on gearbox, circuit board is set in controller, water inlet is arranged on the gearbox of controller lower left side and is connected to gearbox water channel, and gearbox right end is connect with controller, and left end is connect with the motor being arranged in motor body, motor and gearbox common motor axis, become one.The utility model has the beneficial effects that：By controller, gearbox, motor body is integrated and is connected with water channel, reduces retarder and occupies geometric space, promotes the flexibility of pure electric automobile car configuration, integral heat sink is with obvious effects, it is not affected with dust, it reduces and improves retarder maintenance cost, improve service life.
Description
Technical field
The utility model is related to electric vehicle engineering field more particularly to a kind of pure electric automobile single reduction gears.
Background technology
Speed reducer can match rotating speed between prime mover and working machine or executing agency and transmit torque, reduce rotating speed and increase
Add torque.It can be divided into single-stage and multistage speed reducer according to transmission series difference；It can be divided into roller gear according to tooth factory wheel shape to subtract
Fast machine, conical gear reducer and circular cone-Cylinder Gear running wheel speed reducer；According to the arrangement form of transmission can be divided into again expansion,
Shunting and with into shaft type speed reducer.Power is passed to speed changer by orthodox car by transmission shaft, and energy utilization rate is low, and is driven
Component is more, and manufacturing cost and maintenance cost are relatively high.The controller cooling of general garage and motor cooling are arranged apart,
Cooling efficiency is low, and water cycle is complicated, and seal request is high.
Such as a kind of retarder of patent disclosure that Chinese Patent Application No. is CN201610385380.4, including input method
Orchid, babinet, output flange, input shaft, power output shaft and output index dial；It further include deceleration component；Deceleration component is at least wrapped
Primary speed-down unit is included, primary speed-down unit includes level-one sun gear, primary planet wheel and level-one retainer plate；Input shaft and level-one
Sun gear is mutually integrated or is fixedly connected, and the periphery of level-one sun gear has an at least three primary planet wheels, level-one sun gear with
Primary planet wheel frictional drive connects, and primary planet wheel is connect with level-one retainer plate frictional drive, level-one retainer plate and babinet
Tight fit is mutually integrated, and primary planet wheel has primary planet wheel centre bore；Output index dial has planetary gear central shaft and defeated
Shaft, the planetary gear central shaft for exporting index dial are packed into the primary planet wheel centre bore of primary planet wheel by the first ball bearing
Interior, the output shaft for exporting index dial is connect with pto shaft drive.Its structure is extremely complex, and without effective cooling system
System.
A kind of single-stage speed reducing for electric vehicle of patent disclosure that for another example Chinese Patent Application No. is 201510924979.6
Device, including fixed axis gear deceleration mechanism and differential mechanism, the fixed axis gear deceleration mechanism and differential mechanism pass through bearing support
It is assemblied in shell and rear cover surrounds in space；The fixed axis gear deceleration mechanism include input gear axle, driving gearshaft and
The transmission gear being arranged on driving gearshaft, the axis tooth among the input gear axle and transmission gear engagement, it is described
Axis tooth among driving gearshaft is engaged with the main ratio wheel of differential mechanism.The single reduction gear is simple in structure, connection and reasonable arrangement, structure
It is compact, it is small, but the patent equally lacks effective cooling system.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of pure electric automobile single reduction gear.
Single reduction gear described in the utility model includes：Sequentially connected back end cover for motor, motor body, motor front end
Lid, gearbox, controller, water outlet are arranged on motor body and are connected to motor water channel, and controller copper bar is arranged in speed change
On case, circuit board is set in controller, water inlet is arranged on the gearbox of controller lower left side and is connected to gearbox water channel,
Gearbox right end is connect with controller, and left end is connect with the motor being arranged in motor body, motor and gearbox common motor axis,
Become one.
Further, gearbox water channel one end connects water inlet, and the other end is connected to through conduction pipe with motor water channel.
Further, controller water channel is arranged immediately below circuit board.
Further, motor water channel is separated with water channel partition board, and is connected to water outlet.
Further, motor water channel, controller water channel, gearbox water channel are separately positioned on gearbox, controller, motor casing
In vivo.
Further, motor water channel, controller water channel, gearbox water channel are flat, the controller water channel, gearbox
Water channel inner wall is equipped with boss.
Further, motor is permanent magnet synchronous motor, and motor triple line is connect with controller copper bar.
Further, gearbox is the gearbox of hypoid gear.
Further, the motor shaft being arranged on motor body uses involute outer spline, the power input shaft of gearbox to adopt
With involute inner spline, the connection being used between motor shaft and gearbox, the biography between motor shaft and gearbox can be increased
Dynamic torque.
The utility model has the beneficial effects that：
1, the gearbox of the single reduction gear, motor body, controller collection are integrally formed, and reduce retarder occupancy
Geometric space, so as to promote the flexibility of pure electric automobile car configuration.
2, the gearbox of the single reduction gear, controller, motor water channel communicate, retarder integral heat sink significant effect,
It is not affected with dust, retarder maintenance cost is reduced, service life is improved.
3, the motor of the single reduction gear and gearbox common motor axis, are fixed, simple in structure, cost by bearing
It is low, it is easy to maintain.
4, boss is set in the gearbox water channel of the single reduction gear and controller water channel, playing reduces digging water speed, increases
Add the effect of condensed water and gearbox chassis contact area, cooling-down effect notable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the single reduction gear；
Fig. 2 is the gearbox water channel of the single reduction gear and the sectional view of controller water channel；
Fig. 3 is the gearbox water channel of the single reduction gear and the overall structure diagram of controller water channel；
Fig. 4 is the motor body structural decomposition diagram of the single reduction gear.
In figure：1- back end cover for motor, 2- water outlets, 3- motor bodies, 31- water channel partition boards, 32- motor housings, 33- motors
Water channel, 4- motor front end covers, 5- gearboxes, 51- gear box casings, 52- gearbox water channels, 53- boss, 6- controller copper bars,
7- controllers, 71- controller housings, 72- controller water channels, 8- water inlets.
Specific implementation mode
The utility model is described further with reference to the accompanying drawings of the specification.
As shown in Figure 1, single reduction gear described in the utility model includes：Sequentially connected back end cover for motor 1, motor body
3, motor front end cover 4, gearbox 5, controller 7, water outlet 2 are arranged on motor body 3 and are connected to motor water channel 33, controlled
Device copper bar 6 is arranged on gearbox 5, and circuit board is arranged in controller 7, and the gearbox in 7 lower left side of controller is arranged in water inlet 8
It is connected on 5 and with gearbox water channel 52,5 right end of gearbox is connect with controller 7, left end and the motor being arranged in motor body 3
(not shown) connects, and motor and 5 common motor axis of gearbox become one.
Further, the motor shaft being arranged on motor body 3 uses involute outer spline, the power input shaft of gearbox 5
For involute inner spline, involute inner spline surface uses quenching technical and phosphorating treatment, to improve the torque of motor shaft.
As shown in Figure 2 and Figure 3, the inside water channel of the single reduction gear is flat, is equipped with boss 53, flat water channel
It is respectively arranged in the shell of motor body 3, gearbox 5, controller 7, wall thickness is all higher than 3mm, the flat water channel energy of setting
Enough reduce the overall volume of the single reduction gear, the boss 53 of setting increases the contact area that cold water flows through inside water channel；
Gearbox water channel 52 connects controller water channel 72, again through the connection motor of gearbox 5 water channel 33, and controller water channel 72 is arranged in circuit
Immediately below plate (not shown).Cold water flows into gearbox water channel 52 through water inlet 8, recycles and flows within one week controller water channel 72, then
Enter motor water channel 33 through conduction pipe (not shown), motor water channel 33 is separated with water channel partition board 31, and flow is along motor body 3
Flowing one week is flowed out from water outlet 2, and gearbox water channel 52, motor water channel 33, controller water channel 72 are used in conjunction with a water channel,
It is not affected with dust, retarder maintenance cost is reduced, service life is improved.
Further, it is permanent magnet synchronous motor, motor triple line and controller copper to be mounted on the motor inside motor body 3
Row 6 is connected, and realizes controller 7 and motor normal operation by one group of triple line, reduces external connection circuit, reduces controller 7
With the requirement of motor insulation performance.
Further, gearbox 5 is lubricated using oil sump, the natural type of cooling, when the single reduction gear overloads or exceeds
When normal operation circumstances temperature, circulating oil lubrication is selected.
Further, gearbox 5 uses hypoid gear, using hypoid gear oil lubrication, to improve making for gearbox 5
Use the service life.
The utility model is not limited to the above embodiment, without departing from the essence of the present invention, ability
Any deformation, improvement, the replacement that field technique personnel are contemplated that each fall within the scope of the present invention.
Claims (9)
1. a kind of pure electric automobile single reduction gear, which is characterized in that including：Sequentially connected back end cover for motor, motor master
Body, motor front end cover, gearbox, controller, water outlet are arranged on motor body and are connected to motor water channel, controller copper bar
It is arranged on gearbox, circuit board is set in controller, and water inlet is arranged on the gearbox of controller lower left side and and speed change
Case water channel is connected to, and gearbox right end is connect with controller, and left end is connect with the motor being arranged in motor body, motor and gearbox
Common motor axis, becomes one.
2. a kind of pure electric automobile single reduction gear according to claim 1, which is characterized in that gearbox water channel one end connects
The mouth of a river is accessed, the other end is connected to through conduction pipe with motor water channel.
3. a kind of pure electric automobile single reduction gear according to claim 1, which is characterized in that the controller water channel is set
It sets immediately below circuit board.
4. a kind of pure electric automobile single reduction gear according to claim 2, which is characterized in that the motor water channel water
Road partition board separates, and is connected to water outlet.
5. a kind of pure electric automobile single reduction gear according to claim 1, which is characterized in that the motor water channel, control
Device water channel processed, gearbox water channel are separately positioned on gearbox, controller, in electric machine casing.
6. a kind of pure electric automobile single reduction gear according to claim 5, which is characterized in that the motor water channel, control
Device water channel processed, gearbox water channel are flat, and the controller water channel, gearbox water channel inner wall are equipped with boss.
7. a kind of pure electric automobile single reduction gear according to claim 1, which is characterized in that the motor is that permanent magnetism is same
Motor is walked, motor triple line is connect with controller copper bar.
8. a kind of pure electric automobile single reduction gear according to claim 1, which is characterized in that gearbox is hyperboloid tooth
The gearbox of wheel.
9. a kind of pure electric automobile single reduction gear according to claim 1, which is characterized in that set on the motor body
The motor shaft set uses involute outer spline, and the power input shaft of gearbox uses involute inner spline, for motor shaft and change
Connection between fast case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721903806.7U CN207683336U (en) | 2017-12-29 | 2017-12-29 | A kind of pure electric automobile single reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721903806.7U CN207683336U (en) | 2017-12-29 | 2017-12-29 | A kind of pure electric automobile single reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207683336U true CN207683336U (en) | 2018-08-03 |
Family
ID=62993635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721903806.7U Expired - Fee Related CN207683336U (en) | 2017-12-29 | 2017-12-29 | A kind of pure electric automobile single reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207683336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774442A (en) * | 2018-12-07 | 2019-05-21 | 南京越博动力系统股份有限公司 | A kind of electric control and the integrated pure electric power assembly system of bridge case |
-
2017
- 2017-12-29 CN CN201721903806.7U patent/CN207683336U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774442A (en) * | 2018-12-07 | 2019-05-21 | 南京越博动力系统股份有限公司 | A kind of electric control and the integrated pure electric power assembly system of bridge case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180803 |