CN209688043U - A kind of retarder and automobile for automobile - Google Patents
A kind of retarder and automobile for automobile Download PDFInfo
- Publication number
- CN209688043U CN209688043U CN201920255623.1U CN201920255623U CN209688043U CN 209688043 U CN209688043 U CN 209688043U CN 201920255623 U CN201920255623 U CN 201920255623U CN 209688043 U CN209688043 U CN 209688043U
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- bearing
- input shaft
- deceleration box
- retarder
- gear
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- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
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- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
The utility model provides a kind of retarder and automobile for automobile, and retarder includes: deceleration box；Input module, input module include input shaft and the gear that is set on input shaft, and the rear end of input shaft connects driving source, and input shaft is equipped with the limited step along its circumferentially extending；First bearing and second bearing, are mounted in deceleration box, and the first and second bearings can be matched with input shaft, and for second bearing than first bearing closer to gear, second bearing can be relative to deceleration box along the axial movement of input shaft；First limit component in deceleration box and can be set on input shaft, so that the front end of the inner ring of first bearing leans with limited step, its rear end leans with the first limit component；Second limit component, is connected in deceleration box, and the outer ring of first bearing is clamped between the second limit component and deceleration box.Each bearing of the input shaft of the retarder is more uniformly stressed, to reduce the maintenance rate of retarder.
Description
Technical field
The utility model relates to automobile technical field more particularly to a kind of retarders and automobile for automobile.
Background technique
Retarder plays the role of reducing revolving speed and increases torque, is a common components on automobile, with automobile
The use of the development of technology, New-energy electric vehicle is also more and more extensive, and the motor that electric car uses itself has high
The output area of revolving speed and torque, therefore the input speed of retarder is higher and higher.But when the input speed of retarder is higher
When, the service life of the bearing on retarder sharply shortens, and causes the maintenance rate of retarder higher.On this basis, inventor is hard
It has found to mental and physical efforts that traditional retarder is applied when on New-energy electric vehicle or on the higher automobile of input speed, slows down
The higher reason of the maintenance rate of device, reason is mainly: for input shaft two or more bearings there are serious stress not
Equal problem, this causes some bearing therein easily to wear, shortens the service life of bearing, leads to the maintenance of retarder
Rate is higher.
Utility model content
In order to solve the problems, such as above-mentioned all or part, the utility model provides a kind of retarder and automobile for automobile,
Each shaft strength of the input shaft of the retarder is more uniform, to reduce the maintenance rate of retarder.
On the one hand, the utility model provides a kind of retarder for automobile comprising: deceleration box；Input module,
It is set in the deceleration box, and the input module includes input shaft and the gear that is set on the input shaft, described defeated
Enter the rear end connection driving source of axis, the input shaft is equipped with the limited step along its circumferentially extending；First bearing and the second axis
It holds, is installed in the deceleration box, and first and second bearing can be matched with the input shaft, described
For two bearings than the first bearing closer to the gear, the second bearing can be relative to the deceleration box along described
The axial movement of input shaft；First limit component is located in the deceleration box and can be set on the input shaft, with
The front end of the inner ring of the first bearing is set to lean with the limited step, and its rear end offsets with first limit component
It leans on；Second limit component is connected in the deceleration box, and the outer ring of the first bearing is clamped at second limit
Between position component and the deceleration box.
Preferably, the first bearing seat for installing the first bearing, second limit are equipped in the deceleration box
Position component is perpendicular to the annular stop plate of the axis setting of the input shaft, and the input shaft is from the annular stop plate
The heart passes through, and the rear end of the outer ring of the first bearing leans with the deceleration box, and its front end and the annular stop
Plate leans, and the annular stop baffle is to be detachably connected with the deceleration box.
Preferably, external screw thread, second limit component are equipped with positioned at the rear end of the limited step on the input shaft
For the stop nut with the internal screw thread that can cooperate with the external screw thread, the tightening direction of the stop nut and the input shaft
Direction of rotation is opposite.
Preferably, which further includes set on the thread locking glue between the stop nut and the input shaft.
Preferably, the gear is helical gear or helical gear, and first and second bearing is located at the tooth
The front and rear sides of wheel, the first bearing are located at the rear end of the input shaft.
Preferably, the distance of the first bearing to the gear is distance of the second bearing to the gear
1.2-10 again.
Preferably, the second bearing seat for installing the second bearing, the input are additionally provided in the deceleration box
The front end of axis is equipped with positioning step, and the rear end of the inner ring of the second bearing leans with the positioning step.
Preferably, the spacing distance between the front end of the second bearing and the inner wall of the deceleration box is greater than
0.05mm。
Retarder according to the present utility model for automobile, since second bearing is closer to gear, if such as existing skill
Such two bearings of retarder in art carry out axial restraint without axial restraint or, then closer to the second axis of gear
It holds and will receive biggish axial force and radial force, and the stress very little from the farther away first bearing of gear.Firstly, as this is practical new
After the axial direction of the inner ring and outer ring of first bearing is fixed in this way for the retarder of type, and second bearing it is axial without
Fixed, the axial force that input shaft generates mainly is undertaken by first bearing, and the radial force that input shaft generates is mainly by second bearing
It undertakes, this makes the stress size of the first and second bearings more uniform, so that the service life of the first and second bearings
It is close, so that the maintenance rate of retarder reduces.Second, when input shaft expanded by heating freely extends, second bearing is along input
Axis point is axially moved, and input shaft will not be stuck, and retarder still can steadily work；Third, can be by limited step
The installation site of first bearing is determined in assembling process, then by the first and second limit components and deceleration box to first axle
Carry out axial restraint is held, installation process is simple and convenient.The structure of the retarder for automobile of the utility model is simple, uses peace
It is complete reliable, convenient for widely promoting and applying.
On the other hand, the present invention also provides a kind of automobiles, and it includes retarders described in any of the above-described technical solution.
Automobile according to the present utility model, by using retarder described in any of the above-described technical solution, so that the vapour
The maintenance rate of vehicle reduces, and assembly time shortens.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram of the retarder for automobile of the embodiments of the present invention；
Fig. 2 is the stereoscopic schematic diagram of the retarder for automobile of the embodiments of the present invention.
Description of symbols: 1, deceleration box；2, input module；3, first bearing；4, second bearing；5, the first limit structure
Part；6, the second limit component；21, input shaft；22, gear；23, limited step；100, driving source.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
Fig. 1 is the structural schematic diagram of the retarder of the embodiments of the present invention, and Fig. 2 is the embodiments of the present invention
The schematic perspective view of retarder, the retarder for being used for automobile include deceleration box 1, input module 2, first bearing 3,
Two bearings 4, the first limit component 5 and the second limit component 6.Input module 2 is set in deceleration box 1, and input module 2 includes defeated
The gear 22 for entering axis 21 and being set on input shaft 21, the rear end of input shaft 21 connect driving source 100, and input shaft 21 is equipped with edge
Its limited step 23 circumferentially extended.First bearing 3 and second bearing 4 are installed in deceleration box 1, and the first and second axis
Holding (3,4) can match with input shaft 21, and for second bearing 4 than first bearing 3 closer to gear 22, second bearing 4 can
Relative to deceleration box 1 along the axial movement of input shaft 21.First limit component 5 is located in deceleration box 1 and can be arranged
On input shaft 21, so that the front end of the inner ring of first bearing 3 leans with limited step 23, and its rear end and the first limit structure
Part 5 leans.Second limit component 6 is connected in deceleration box 1, and the outer ring of first bearing 3 is clamped at the second limit structure
Between part 6 and deceleration box 1.It should be noted that above-mentioned driving source 100 is generally motor, retarder further includes output precision,
Output precision includes the output shaft parallel with input shaft 21, and output shaft is equipped with the output engaged with the gear 22 on input shaft 21
Gear.In addition, the other structures of retarder are the conventional arrangement of this field, details are not described herein.
Retarder according to the present utility model for automobile, since second bearing 4 is closer to gear 22, if as existing
Such two bearings of retarder in technology carry out axial restraint without axial restraint or, then closer to the of gear 22
Two bearings 4 will receive biggish axial force and radial force, and the stress very little from the farther away first bearing 3 of gear 22.Firstly, such as
After the axial direction of the inner ring and outer ring of first bearing 3 is fixed in this way for the retarder of the utility model, and second bearing 4
Axially without fixation, the axial force that input shaft 21 generates mainly is undertaken by first bearing 3, and the radial force that input shaft 21 generates
It is mainly undertaken by second bearing 4, this makes the stress size of the first and second bearings (3,4) more uniform, so that first
It is close with the service life of second bearing (3,4), so that the maintenance rate of retarder reduces.Second, when 21 expanded by heating of input shaft
And when freely extending, second bearing 4 is axially moved along 21 points of input shaft, and input shaft will not be stuck, and retarder can still be stablized
Ground work；Third can be determined the installation site of first bearing 3 in assembling process by limited step 23, then pass through first
Axial restraint is carried out to first bearing 3 with the second limit component (5,6) and deceleration box 1, installation process is simple and convenient.
In the present embodiment, the first bearing seat for installing first bearing 3, first bearing seat are equipped in deceleration box 1
It is an integral structure with deceleration box 1, first bearing 3 is placed in first bearing seat.Second limit component 6 is perpendicular to input
The annular stop plate of the axis setting of axis 21, input shaft 21 are passed through from the center of annular stop plate, and the outer ring of first bearing 3
Rear end leans with deceleration box 1, and its front end leans with annular stop plate, and annular stop baffle is with deceleration box 1 can
Dismantling connection.During first bearing 3 are installed, first bearing 3 is installed on input shaft 21, and by 3 He of first bearing
Input shaft 21 is placed into together in deceleration box 1, and the rear end of the outer ring of first bearing 3 is forced to abut on deceleration box 1, then will
Annular stop plate set is set on input shaft 21, and is connected on deceleration box 1.Deceleration box 1 and the connection of annular stop plate are excellent
It is selected as being attached by bolt or screw.
First limit component 5, which can be, to be connected on input shaft 21 by way of being clamped or being threadedly coupled.Preferably, defeated
Enter and be equipped with external screw thread on axis 21 at the rear end of limited step 23, the first limit component 5 is with can cooperate with the external screw thread
Internal screw thread stop nut, so that the manufacturing of the first limit component 5 and input shaft 21 is convenient, connection procedure letter
It is single.In addition, in order to guarantee that stop nut will not be detached from from input shaft 21 during input shaft 21 rotates, stop nut
Tightening direction is opposite with the direction of rotation of input shaft 21.The stabilization being connect in order to further ensure stop nut with input shaft 21
Property, there is thread locking glue between stop nut and input shaft 21.
Preferably, said gear 22 is helical gear or helical gear, and the first and second bearings (3,4) are located at gear
22 front and rear sides, first bearing 3 are located at the rear end of input shaft 21.For the input shaft 21 with helical gear and helical gear
Speech, two non-uniform problems of shaft strength are even more serious, and after the first and second bearings (3,4) are set as the application,
Greatly extended using the service life of helical gear and the retarder of helical gear.In addition, first bearing 3 is arranged
It can guarantee that input shaft 21 and the connection of the junction of driving source 100 are more stable in the rear end of input shaft 21.
In the present embodiment, the distance of first bearing 3 to gear 22 is the 1.2-10 for the distance that second bearing 4 arrives gear 22
Times.Inventor obtains above-mentioned conclusion after multiple experiment and measurement, when the distance and the second axis of first bearing 3 to gear 22
Hold 4 to gear 22 distance meet it is above-mentioned rule when, the stress of two bearings is the most uniform.
The second bearing seat for installing second bearing 4 is additionally provided in deceleration box 1, the front end of input shaft 21 is equipped with positioning
Step, rear end and the positioning step of the inner ring of second bearing 4 lean.The inner wall of the front end of second bearing 4 and deceleration box 1 it
Between spacing distance be greater than 0.05mm.Setting in this way, deceleration box 1 can be to input module 2, first bearing 3 and
Two bearings 4 play certain effect of contraction, and have enough elongate spaces after capable of guaranteeing 21 expanded by heating of input shaft.
The utility model also provides a kind of automobile, which includes retarder described in any of the above-described technical solution.This reality
With novel automobile by using the retarder of any of the above-described technical solution, the assembly time of automobile can be shortened, reduce automobile
Maintenance rate.Preferably, which is electric car, and the motor that electric car uses itself has high revolving speed and torque
Output area, therefore after above-mentioned retarder is used for electric car, the maintenance rate of electric car can be greatly reduced.
It needs to be emphasized that the orientation of the instructions such as term "front", "rear", "inner", " axial direction ", " circumferential direction " and " radial direction "
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
In this application unless specifically defined or limited otherwise, the terms such as term " installation ", " connected " and " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Especially, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can combine in any way
Get up.The utility model is not limited to specific embodiment disclosed herein, but including falling within the scope of the appended claims
All technical solutions.
Claims (9)
1. a kind of retarder for automobile characterized by comprising
Deceleration box；
Input module is set in the deceleration box, and the input module includes input shaft and is set on the input shaft
Gear, the rear end of the input shaft connects driving source, and the input shaft is equipped with the limited step along its circumferentially extending；
First bearing and second bearing are installed in the deceleration box, and first and second bearing can be with institute
It states input shaft to match, for the second bearing than the first bearing closer to the gear, the second bearing can be opposite
In the deceleration box along the axial movement of the input shaft；
First limit component is located in the deceleration box and can be set on the input shaft, so that the first axle
The front end of the inner ring held leans with the limited step, and its rear end leans with first limit component；
Second limit component is connected in the deceleration box, and the outer ring of the first bearing is clamped at described second
Between limit component and the deceleration box.
2. retarder according to claim 1, which is characterized in that be equipped in the deceleration box for installing described first
The first bearing seat of bearing, second limit component are the annular stop plate perpendicular to the axis setting of the input shaft, institute
It states input shaft to pass through from the center of the annular stop plate, and the rear end of the outer ring of the first bearing and the deceleration box phase
Against, and its front end leans with the annular stop plate, the annular stop baffle is detachably to connect with the deceleration box
It connects.
3. retarder according to claim 1, which is characterized in that be located at the rear end of the limited step on the input shaft
Equipped with external screw thread, first limit component is the stop nut with the internal screw thread that can cooperate with the external screw thread, the limit
The tightening direction of nut is opposite with the direction of rotation of the input shaft.
4. retarder according to claim 3, which is characterized in that have spiral shell between the stop nut and the input shaft
Line locking glue.
5. retarder described in any one of -4 according to claim 1, which is characterized in that the gear is helical gear or helical tooth
Wheel, and first and second bearing is located at the front and rear sides of the gear, the first bearing is located at the input shaft
Rear end.
6. retarder according to claim 5, which is characterized in that described in distance of the first bearing to the gear
1.2-10 times of distance to the gear of two bearings.
7. retarder according to claim 5, which is characterized in that be additionally provided in the deceleration box for installing described
The front end of the second bearing seat of two bearings, the input shaft is equipped with positioning step, the rear end of the inner ring of the second bearing and institute
Positioning step is stated to lean.
8. retarder according to claim 7, which is characterized in that the front end of the second bearing and the deceleration box
Spacing distance between inner wall is greater than 0.05mm.
9. a kind of automobile, which is characterized in that it includes retarders according to claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255623.1U CN209688043U (en) | 2019-02-28 | 2019-02-28 | A kind of retarder and automobile for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255623.1U CN209688043U (en) | 2019-02-28 | 2019-02-28 | A kind of retarder and automobile for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209688043U true CN209688043U (en) | 2019-11-26 |
Family
ID=68603286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920255623.1U Active CN209688043U (en) | 2019-02-28 | 2019-02-28 | A kind of retarder and automobile for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209688043U (en) |
-
2019
- 2019-02-28 CN CN201920255623.1U patent/CN209688043U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211210 Address after: 334000 Xingyuan West Avenue, Shangrao economic and Technological Development Zone, Shangrao, Jiangxi, China Patentee after: AIWAYS AUTOMOBILE Co.,Ltd. Address before: 201821 J871 room 6, 1288 Yecheng Road, Jiading District, Shanghai. Patentee before: AIWAYS AUTO (SHANGHAI) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220117 Address after: 048400 Mishan Industrial Park, gouyao village, Mishan town, Gaoping City, Jincheng City, Shanxi Province Patentee after: Hydrogen Chi Power Technology (Shanxi) Co.,Ltd. Address before: 334000 Xingyuan West Avenue, Shangrao economic and Technological Development Zone, Shangrao, Jiangxi, China Patentee before: AIWAYS AUTOMOBILE Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230131 Granted publication date: 20191126 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240108 Granted publication date: 20191126 |
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| PD01 | Discharge of preservation of patent |