CN207454666U - A kind of retarder for electric vehicle - Google Patents
A kind of retarder for electric vehicle Download PDFInfo
- Publication number
- CN207454666U CN207454666U CN201721588095.9U CN201721588095U CN207454666U CN 207454666 U CN207454666 U CN 207454666U CN 201721588095 U CN201721588095 U CN 201721588095U CN 207454666 U CN207454666 U CN 207454666U
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- shaft
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- helical gear
- retarder
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Abstract
The utility model is related to a kind of retarders for electric vehicle, coupled respectively by the first flat key and the second flat key with input shaft and output shaft by inputting helical gear and output helical gear, input helical gear and output helical gear engagement, the input shaft is coupled by the first spline with motor output end, the output shaft passes through the second spline and propeller shaft couplings, using single gear transmission, it is simple in structure, it is small to place vehicle chassis, simplify Gear Transmission in Reducer mechanism, improve the transmission efficiency of retarder, motor torsion is transferred to transmission shaft so as to which vehicle be driven steadily to run slowly.
Description
Technical field
The utility model is related to new-energy automobile field more particularly to a kind of retarders for electric vehicle.
Background technology
In electric vehicle field, current multi-shifting speed variator is complicated, volume is larger, it is necessary to gear shifting actuating mechanism,
Vehicle, there are that can bring impact the phenomenon that power interruption to vehicle, reduces comfort by bus in gearshift, execution machine of shifting gears
Structure control bring difficulty with failure reduce multi-shifting speed variator reliability of operation and manufacture cost and after-sales service cost compared with
It is high.
Utility model content
Technical problem to be solved in the utility model is：Offer one kind is simple in structure, small can to place vehicle bottom
Disk realizes the retarder for the electric vehicle that driving motor steadily slows down.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of subtracting for electric vehicle
Fast device, including procapsid, back casing and helical gear component, the helical gear component includes input helical teeth wheel component and output helical teeth
Wheel component；
The procapsid is equipped with clutch shaft bearing room and 3rd bearing room；
The back casing is equipped with second bearing room and fourth bearing room；
Before the input helical teeth wheel component, output helical teeth wheel component are respectively charged by clutch shaft bearing room and 3rd bearing room
In housing；
After the input helical teeth wheel component, output helical teeth wheel component are respectively charged by second bearing room and fourth bearing room
In housing；
The procapsid and back casing are equipped with location hole, are fixed by positioning pin；
The input helical teeth wheel component include input shaft, the clutch shaft bearing for being set on input shaft, second bearing and
Helical gear is inputted, the input helical gear and input shaft Flat dey joint, the input shaft are equipped with the first spline, and the input shaft leads to
The first spline is crossed with motor output end to couple；
The output helical teeth wheel component includes output shaft, for being set in the 3rd bearing of output shaft, fourth bearing and defeated
Go out helical gear, the output helical gear and output shaft Flat dey joint, the output shaft is equipped with the second spline, and the output shaft is with passing
Moving axis couples, and the transmission shaft is equipped with the 3rd spline, second spline and the 3rd spline engagement；
The input helical gear and output helical gear engagement, the axis of the input shaft and output shaft different surface beeline each other.
Further, the outer surface of the procapsid and outer housing is respectively equipped with radiating fin.
Further, the radiating fin is more than one.
Further, the procapsid is equipped with breather, and the lower end of the breather is equipped with for Oil-gas Separation reflux
Oil removal chamber.
Further, the procapsid is equipped with drain oil, oil filler point and for checking oil filling and situation being lost
Peep hole.
Further, the clutch shaft bearing room, second bearing room, 3rd bearing room and fourth bearing room are equipped with to mend
Repay the wave washer of axial gap.
Further, the helical gear component is equipped with the first shaft block ring and second for preventing helical gear from axial float occurs
Shaft block ring.
Further, the axis of the input shaft and output shaft is 0-180 degree in the projection angular range of horizontal plane.
Further, second spline length is 80~100mm.
The beneficial effects of the utility model are：By input helical gear and output helical gear respectively by the first flat key and
Second flat key is coupled with input shaft and output shaft, and input helical gear and output helical gear engagement, the input shaft pass through the
One spline couples with motor output end, and the output shaft is by the second spline and propeller shaft couplings, using single gear transmission, knot
Structure is simple, it is small can place vehicle chassis, simplify Gear Transmission in Reducer mechanism, improve the transmission effect of retarder
Motor torsion is transferred to transmission shaft so as to which vehicle be driven steadily to run slowly by rate.
Description of the drawings
Fig. 1 is the structure diagram according to a kind of embodiment one of retarder for electric vehicle of the utility model；
Fig. 2 is the helical gear component knot according to a kind of embodiment one of retarder for electric vehicle of the utility model
Structure schematic diagram；
Fig. 3 is the side view according to a kind of embodiment one of retarder for electric vehicle of the utility model；
Label declaration：
1st, procapsid；2nd, breather；3rd, oil removal chamber；4th, back casing；6th, helical teeth wheel component is exported；
7th, radiating fin；9th, wave washer；12nd, helical teeth wheel component is inputted；13rd, drain oil；14th, peep hole；15th, oiling
Hole；16th, 3rd bearing；17th, the second shaft block ring；19th, helical gear is exported；
20th, fourth bearing；21st, output shaft；22nd, second bearing；23rd, the first shaft block ring；25th, helical gear is inputted；26th,
One bearing；27th, input shaft.
Specific embodiment
For the technology contents of the utility model, the objects and the effects are described in detail, below in conjunction with embodiment and match somebody with somebody
Attached drawing is closed to be explained.
The design of the utility model most critical is：It is installed by inputting helical gear mounted on input shaft, output helical gear
On output shaft, Gear Transmission in Reducer mechanism is simplified using single gear transmission, improves the transmission efficiency of retarder.
It refer to Fig. 1, Fig. 2 and Fig. 3, a kind of retarder for electric vehicle provided by the utility model, including preceding
Housing 1, back casing 4 and helical gear component, the helical gear component include input helical teeth wheel component 12 and output helical teeth wheel component
6；
The procapsid 1 is equipped with clutch shaft bearing room and 3rd bearing room；
The back casing 4 is equipped with second bearing room and fourth bearing room；
The input helical teeth wheel component 12, output helical teeth wheel component 6 are filled respectively by clutch shaft bearing room and 3rd bearing room
Enter in procapsid 1；
The input helical teeth wheel component 12, output helical teeth wheel component 6 are filled respectively by second bearing room and fourth bearing room
Enter in back casing 4；
The procapsid 1 and back casing 4 are equipped with location hole, are fixed by positioning pin；
The input helical teeth wheel component 12 include input shaft 27, for be set on input shaft 27 clutch shaft bearing 26, the
Two bearings 22 and input helical gear 25, the input helical gear 25 and 27 Flat dey joint of input shaft, the input shaft 27 are equipped with the
One spline, the input shaft 27 are coupled by the first spline with motor output end；
The output helical teeth wheel component includes output shaft 21, for being set in the 3rd bearing 16 of output shaft 21, the 4th axis
20 and output helical gear 19, the output helical gear 19 and 21 Flat dey joint of output shaft are held, the output shaft 21 is equipped with the second flower
Key, the output shaft 21 and propeller shaft couplings, the transmission shaft are equipped with the 3rd spline, and second spline is nibbled with the 3rd spline
It closes；
The input helical gear 25 and output helical gear 19 engage, and the axis of the input shaft 27 and output shaft 21 is different each other
Face straight line.
As can be seen from the above description, the beneficial effects of the utility model are：By inputting helical gear and output helical gear point
Do not coupled by the first flat key and the second flat key with input shaft and output shaft, input helical gear and output helical gear engagement,
The input shaft is coupled by the first spline with motor output end, and the output shaft is adopted by the second spline and propeller shaft couplings
It is simple in structure, small to place vehicle chassis with single gear transmission, Gear Transmission in Reducer mechanism is simplified, is improved
The transmission efficiency of retarder, is transferred to transmission shaft so as to which vehicle be driven steadily to run slowly by motor torsion.
Further, the outer surface of the procapsid 1 and back casing 4 is respectively equipped with radiating fin 7.
Seen from the above description, set radiating fin that can increase surface of shell product, accelerate radiating rate.
Further, the radiating fin 7 is more than one.
Seen from the above description, set multiple radiating fins that can accelerate radiating rate.
Further, the procapsid is equipped with breather 2, and the lower end of the breather 2 is equipped with flows back for Oil-gas Separation
Oil removal chamber 3.
Seen from the above description, generate heat when retarder operates, in housing air pressure increase, oil gas can pass through ventilation
Device is excessive to procapsid, prevents in housing that air pressure is excessively high and causes decelerator trouble, when retarder runs at high speed temperature it is rapid on
Rising causes air pressure in housing increased dramatically, and by the oil removal chamber for setting larger space Oil-gas Separation lubricating oil is made to flow back, prevents from leading to
Gas device oil spout causes loss of lubrication.
Further, the procapsid 1 is equipped with drain oil 13, oil filler point 15 and for checking oil filling and loss feelings
The peep hole 14 of condition.
Seen from the above description, set peep hole that can check oil filling and loss situation.
Further, the clutch shaft bearing room, second bearing room, 3rd bearing room and fourth bearing room are equipped with to mend
Repay the wave washer 9 of axial gap.
Seen from the above description, by installing wave washer compensating axial clearance additional in reducer shell bearing chamber, so as to
It prevents that axial float occurs when helical gear from operating.
Further, the helical gear component is equipped with 23 He of the first shaft block ring for preventing helical gear from axial float occurs
Second shaft block ring 17.
Seen from the above description, the helical gear component sets shaft block ring to prevent helical gear from axial float occurs.
Further, the axis of the input shaft 27 and output shaft 21 is set to α, α in projection angle such as Fig. 3 of horizontal plane
Value range be 0-180 degree.
Seen from the above description, be adjusted angle of eccentricity scope according to actual conditions, vehicle chassis installation space by
Ensure that on the premise of retarder installation is firm ground clearance can be increased to greatest extent under conditions of to limitation, reduce vehicle row
Sailing danger.
Further, second spline length is 80~100mm.
Seen from the above description, output shaft is equipped with the spline length of 80-100mm, adds the model of transmission shaft axial movement
It encloses, ensure that vehicle in the space that transmission shaft needed for different road conditions downward drivings is swung.
Fig. 1, Fig. 2 and Fig. 3 are refer to, the embodiment one of the utility model is：
A kind of retarder for electric vehicle, including procapsid 1, back casing 4 and helical gear component, the bevel gear set
Part includes input helical teeth wheel component 12 and output helical teeth wheel component 6；
The procapsid 1 is equipped with clutch shaft bearing room and 3rd bearing room；
The back casing 4 is equipped with second bearing room and fourth bearing room；
The input helical teeth wheel component 12, output helical teeth wheel component 6 are filled respectively by clutch shaft bearing room and 3rd bearing room
Enter in procapsid 1；
The input helical teeth wheel component 12, output helical teeth wheel component 6 are filled respectively by second bearing room and fourth bearing room
Enter in back casing 4；
The procapsid 1 and back casing 4 are equipped with location hole, are fixed by positioning pin；
The input helical teeth wheel component 12 include input shaft 27, for be set on input shaft 27 clutch shaft bearing 26, the
Two bearings 22 and input helical gear 25, the input helical gear 25 and 27 Flat dey joint of input shaft, the input shaft 27 are equipped with the
One spline, the input shaft 27 are coupled by the first spline with motor output end；
The output helical teeth wheel component includes output shaft 21, for being set in the 3rd bearing 16 of output shaft 21, the 4th axis
20 and output helical gear 19, the output helical gear 19 and 21 Flat dey joint of output shaft are held, the output shaft 21 is equipped with the second flower
Key, the output shaft 21 and propeller shaft couplings, the transmission shaft are equipped with the 3rd spline, and second spline is nibbled with the 3rd spline
It closes；
The input helical gear 25 and output helical gear 19 engage, and the axis of the input shaft 27 and output shaft 21 is different each other
Face straight line；The outer surface of the procapsid 1 and back casing 4 is respectively equipped with radiating fin 7；The radiating fin 7 is more than one；
The procapsid is equipped with breather 2, and the lower end of the breather 2 is equipped with the oil removal chamber 3 for Oil-gas Separation reflux；The front housing
Body 1 is equipped with drain oil 13, oil filler point 15 and for checking oil filling and the peep hole 14 of situation being lost；The clutch shaft bearing
Room, second bearing room, 3rd bearing room and fourth bearing room are equipped with the wave washer 9 for compensating axial clearance；It is described oblique
Gear assembly is equipped with the first shaft block ring 23 and the second shaft block ring 17 for preventing helical gear from axial float occurs；The input shaft
27 and the axis of output shaft 21 be set to α in projection angle such as Fig. 3 of horizontal plane, the value range of α is 0-180 degree；Described second
Spline length is 80~100mm.
In conclusion a kind of retarder for electric vehicle provided by the utility model, by inputting helical gear and defeated
Go out helical gear respectively by the first flat key and the second flat key with input shaft and output shaft to be coupled, input helical gear and output are oblique
Gear engages, and the input shaft is coupled by the first spline with motor output end, and the output shaft passes through the second spline and transmission
Axis couples, simple in structure, small to place vehicle chassis using single gear transmission, simplifies Gear Transmission in Reducer
Mechanism improves the transmission efficiency of retarder, and motor torsion is transferred to transmission shaft so as to which vehicle be driven steadily to run slowly.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model are directly or indirectly used in relevant technology neck
Domain is equally included in the patent within the scope of the utility model.
Claims (9)
1. a kind of retarder for electric vehicle, which is characterized in that described including procapsid, back casing and helical gear component
Helical gear component includes input helical teeth wheel component and output helical teeth wheel component, and the procapsid is equipped with clutch shaft bearing room and the 3rd axis
Hold room；
The back casing is equipped with second bearing room and fourth bearing room；
The input helical teeth wheel component, output helical teeth wheel component are respectively charged into procapsid by clutch shaft bearing room and 3rd bearing room
It is interior；
The input helical teeth wheel component, output helical teeth wheel component are respectively charged into back casing by second bearing room and fourth bearing room
It is interior；
The procapsid and back casing are equipped with location hole, are fixed by positioning pin；
The input helical teeth wheel component includes input shaft, the clutch shaft bearing for being set on input shaft, second bearing and input
Helical gear, input helical gear and the input shaft Flat dey joint, the input shaft are equipped with the first spline, and the input shaft passes through the
One spline couples with motor output end；
The output helical teeth wheel component includes output shaft, oblique for being set in the 3rd bearing of output shaft, fourth bearing and output
Gear, the output helical gear and output shaft Flat dey joint, the output shaft are equipped with the second spline, the output shaft and transmission shaft
Connection, the transmission shaft are equipped with the 3rd spline, second spline and the 3rd spline engagement；
The input helical gear and output helical gear engagement, the axis of the input shaft and output shaft different surface beeline each other.
2. a kind of retarder for electric vehicle according to claim 1, which is characterized in that the procapsid and rear shell
The outer surface of body is respectively equipped with radiating fin.
3. a kind of retarder for electric vehicle according to claim 2, which is characterized in that the radiating fin is one
More than a.
4. a kind of retarder for electric vehicle according to claim 1, which is characterized in that the procapsid is equipped with logical
Gas device, the lower end of the breather are equipped with the oil removal chamber for Oil-gas Separation reflux.
5. a kind of retarder for electric vehicle according to claim 1, which is characterized in that the procapsid is equipped with and puts
Oilhole, oil filler point and the peep hole for checking oil filling and loss situation.
6. a kind of retarder for electric vehicle according to claim 1, which is characterized in that the clutch shaft bearing room,
Second bearing room, 3rd bearing room and fourth bearing room are equipped with the wave washer for compensating axial clearance.
7. a kind of retarder for electric vehicle according to claim 1, which is characterized in that the helical gear component is set
There are the first shaft block ring and the second shaft block ring for preventing helical gear from axial float occurs.
8. a kind of retarder for electric vehicle according to claim 1, which is characterized in that the input shaft and output
The axis of axis is 0-180 degree in the projection angular range of horizontal plane.
9. a kind of retarder for electric vehicle according to claim 1, which is characterized in that second spline is 80
~100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721588095.9U CN207454666U (en) | 2017-11-24 | 2017-11-24 | A kind of retarder for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721588095.9U CN207454666U (en) | 2017-11-24 | 2017-11-24 | A kind of retarder for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454666U true CN207454666U (en) | 2018-06-05 |
Family
ID=62276893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721588095.9U Active CN207454666U (en) | 2017-11-24 | 2017-11-24 | A kind of retarder for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763143A (en) * | 2017-11-24 | 2018-03-06 | 厦门市福工动力技术有限公司 | A kind of decelerator for electric automobile |
-
2017
- 2017-11-24 CN CN201721588095.9U patent/CN207454666U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763143A (en) * | 2017-11-24 | 2018-03-06 | 厦门市福工动力技术有限公司 | A kind of decelerator for electric automobile |
| CN107763143B (en) * | 2017-11-24 | 2024-06-14 | 厦门市福工动力技术有限公司 | Speed reducer for electric automobile |
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