CN208767869U - Fixed structure of stator and speed changer - Google Patents
Fixed structure of stator and speed changer Download PDFInfo
- Publication number
- CN208767869U CN208767869U CN201821733769.4U CN201821733769U CN208767869U CN 208767869 U CN208767869 U CN 208767869U CN 201821733769 U CN201821733769 U CN 201821733769U CN 208767869 U CN208767869 U CN 208767869U
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- stator
- shell portion
- hole
- mounting shell
- guide
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Abstract
The utility model belongs to transmission technology field, is related to a kind of fixed structure of stator and speed changer.The fixed structure of stator includes shell, the shell includes stator mounting shell portion and outer cover, stator mounting shell portion is for installing stator, stator mounting shell portion is cylindrical in shape, the outer cover is fixedly connected on the one end in stator mounting shell portion, the multiple protrusions protruded to the central axis in stator mounting shell portion are provided on the inner wall in stator mounting shell portion, the protrusion is towards being provided with circular arc confined planes on a side surface of the central axis in stator mounting shell portion, the circular arc confined planes of multiple protrusions are located on same cylindrical surface, radial limit when the circular arc confined planes of multiple protrusions are installed for stator.The fixed structure of stator, which does not need hot assembly in the prior art, can be realized the positioning accuracy of higher stator.
Description
Technical field
The utility model belongs to transmission technology field, more particularly to a kind of fixed structure of stator and speed changer.
Background technique
In new energy gearbox field, motor stator is mostly bolted.Since motor stator is heavier, usually need
Borrow special tooling auxiliary assembly.Further, since the bolt through-hole of motor stator and the threaded hole of shell tend not to very
It is aligned well, it usually needs auxiliary assembly positioning is carried out by guide pin.
The fixation procedure of existing motor stator is usual are as follows: first positioning pin is mounted on positioning housing, then in positioning shell
The guide pin of installation two or more in bolt hole on body screws out guide pin, finally uses bolt after motor stator is installed in place
Fixed motor stator.
The fixed form of the motor stator has the following problems:
(1) motor stator needs to make a set of steel disc mold more because dowel hole is bigger than bolt through-hole；
(2) assembly of stator needs guide pin, expends tooling working hour；
(3) stator does not support radially, and can only lean on to compress between steel disc prevents play to generate frictional force, there is the wind of discrete piece
Danger.
In addition, in the case where having cooperation in entire stator altitude range, the whole circumference direction of many motor stators
There is cooperation between shell, if desired higher positioning accuracy, then it is existing by stator trimming etc. to will appear assembly difficulty, shell
As, and if using hot assembly, though can solve assembly difficulty and Edge trimming problems, the precision of shell other hole locations etc. can be generated
Influence of thermal deformation.According to clearance fit, positioning accuracy do not need it is too high if, then motor gas-gap needs to increase, to the property of motor
Can have an impact.
Utility model content
The technical problem to be solved by the utility model is to for the more difficult positioning accurate for improving motor stator in the prior art
The technical issues of spending provides a kind of fixed structure of stator and speed changer.
In order to solve the above technical problems, on the one hand, the utility model embodiment provides a kind of fixed structure of stator, including
Shell, the shell include stator mounting shell portion and outer cover, and stator mounting shell portion is for installing stator, the stator installation
Shell portion is cylindrical in shape, and the outer cover is fixedly connected on the one end in stator mounting shell portion, on the inner wall in stator mounting shell portion
The multiple protrusions protruded to the central axis in stator mounting shell portion are provided with, the protrusion is installed towards the stator
Circular arc confined planes are provided on one side surface of the central axis in shell portion, the circular arc confined planes of multiple protrusions are located at same
Radial limit on cylindrical surface, when the circular arc confined planes of multiple protrusions are installed for stator.
According to the fixed structure of stator of the utility model embodiment, it is provided on the inner wall in stator mounting shell portion to stator and is pacified
Multiple protrusions of the central axis protrusion in shell portion are filled, protrusion is towards on a side surface of the central axis in stator mounting shell portion
Circular arc confined planes are provided with, the circular arc confined planes of multiple protrusions are located on same cylindrical surface.Stator is mounted on stator to fix
When in structure, the circular arc confined planes of multiple protrusions with the outer peripheral surface sliding contact of stator, to realize circular arc confined planes to fixed
The radial limit of son, not needing hot assembly in the prior art can be realized the positioning accuracy of higher stator.
Optionally, be provided with bolt joint seat on the inner wall in stator mounting shell portion, the bolt joint seat with it is described
Outer cover connects, and threaded hole, the central axis of the threaded hole and stator mounting shell portion are provided on the bolt joint seat
Centerline axis parallel；
The fixed structure of stator further includes double threaded screw and nut, and the double threaded screw includes the first thread segment, the
Two thread segments and the guide section being connected between first thread segment and the second thread segment, the first thread segment screw thread connect
It connects in the threaded hole, the nut thread is connected on second thread segment, and the guide section is inserted when stator is installed
It is connected in the guide through hole being arranged on stator to provide the axially directed of stator installation.
Optionally, the shape of cross section of shape and guide through hole of the cross section of the guide section is identical, the guiding
The area of the cross section of section is less than the area of the cross section of guide through hole.
Optionally, the bolt joint seat is provided with multiple, and institute is arranged in multiple bolt joint seats spaced reciprocally
On the inner wall for stating stator mounting shell portion.
Optionally, the double threaded screw is provided with multiple, the nut be provided with it is multiple, the of multiple double threaded screws
One thread segment is threaded in correspondingly in the threaded hole of multiple bolt joint seats, and multiple nuts correspond
Ground is threaded on the second thread segment of multiple double threaded screws.
On the other hand, the utility model embodiment provides a kind of speed changer comprising stator and above-mentioned stator are solid
Determine structure, the outer peripheral surface sliding contact of the circular arc confined planes and the stator.
Optionally, be provided with bolt joint seat on the inner wall in stator mounting shell portion, the bolt joint seat with it is described
Outer cover connects, and threaded hole, the central axis of the threaded hole and stator mounting shell portion are provided on the bolt joint seat
Centerline axis parallel；
The fixed structure of stator further includes double threaded screw and nut, and the double threaded screw includes the first thread segment, the
Two thread segments and the guide section being connected between first thread segment and the second thread segment, the first thread segment screw thread connect
It connects in the threaded hole, the nut thread is connected on second thread segment；
The axially extending guide through hole along the stator is provided on the outer wall of the stator, the guide section is plugged on
In the guide through hole.
Optionally, the shape of cross section of shape and guide through hole of the cross section of the guide section is identical, the guiding
The area of the cross section of section is less than the area of the cross section of guide through hole.
Optionally, the bolt joint seat is provided with multiple, and institute is arranged in multiple bolt joint seats spaced reciprocally
On the inner wall for stating stator mounting shell portion；
The guide through hole is provided with multiple, and the side wall of the stator is arranged in multiple guide through hole spaced reciprocally
On, the position of the threaded hole of the position of multiple guide through hole and multiple bolt joint seats corresponds.
Optionally, the double threaded screw is provided with multiple, the nut be provided with it is multiple, the of multiple double threaded screws
One thread segment is threaded in correspondingly in the threaded hole of multiple bolt joint seats, and multiple nuts correspond
Ground is threaded on the second thread segment of multiple double threaded screws.
Detailed description of the invention
Fig. 1 is the schematic diagram of the shell for the fixed structure of stator that an embodiment of the present invention provides；
Fig. 2 is the schematic diagram of the double threaded screw for the fixed structure of stator that an embodiment of the present invention provides；
Fig. 3 is the schematic diagram for the stator that an embodiment of the present invention provides；
Fig. 4 is the assembling schematic diagram of the stator that an embodiment of the present invention provides and fixed structure of stator.
Appended drawing reference in specification is as follows:
100, fixed structure of stator；
1, shell；11, stator mounting shell portion；111, protrusion；1111, circular arc confined planes；112, bolt joint seat；
1121, threaded hole；12, outer cover；
2, double threaded screw；21, the first thread segment；22, the second thread segment；23, guide section；
3, nut；
200, stator；201, guide through hole.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 4, speed changer provided by the embodiment of the utility model, including stator 200 and stator fixed knot
Structure 100.
As shown in Figure 1, fixed structure of stator 100 provided by the embodiment of the utility model, including shell 1, the shell 1 wrap
Stator mounting shell portion 11 and outer cover 12 are included, stator mounting shell portion 11 is for installing stator 200, stator mounting shell portion 11
It is cylindrical in shape, the outer cover 12 is fixedly connected on the one end in stator mounting shell portion 11, the inner wall in stator mounting shell portion 11
On be provided with the multiple protrusions 111 protruded to the central axis in stator mounting shell portion 11, the protrusion 111 is towards institute
It states and is provided with circular arc confined planes 1111 on a side surface of the central axis in stator mounting shell portion 11, multiple protrusions 111
Circular arc confined planes 1111 be located on same cylindrical surface, the circular arc confined planes 1111 of multiple protrusions 111 are used for stator 200
Radial limit when installation.
Fixed structure of stator 100 and speed changer provided by the embodiment of the utility model, stator mounting shell portion 11 it is interior
The multiple protrusions 111 protruded to the central axis in stator mounting shell portion 11,111 direction of protrusion are provided on wall
Circular arc confined planes 1111, multiple protrusions are provided on one side surface of the central axis in stator mounting shell portion 11
111 circular arc confined planes 1111 are located on same cylindrical surface.When the stator 200 is mounted on the fixed structure of stator 100
When upper, outer peripheral surface sliding contact of the circular arc confined planes 1111 of multiple protrusions 111 with the stator 200, to realize
The circular arc confined planes 1111 to the stator 200 radial direction limit, do not need hot assembly in the prior art can be realized compared with
The positioning accuracy of high stator 200.
In such as Fig. 1 and embodiment illustrated in fig. 4, there are four the settings of protrusion 111, corresponding, on the shell 1
There are four circular arc confined planes 1111 will be also arranged, four circular arc confined planes 1111 are located on same cylindrical surface, can pass through four
A circular arc confined planes 1111 realize the positioning of the stator 200.
The circular arc confined planes 1111 of multiple protrusions 111 are located on same cylindrical surface, that is, multiple protrusions
The radius of 111 corresponding multiple circular arc confined planes 1111 is identical and central axis is overlapped.
In other embodiments out not shown, the protrusion may be alternatively provided as other numbers, and such as 3,5 or 8
Deng being spaced apart from each other between multiple protrusions.
In one embodiment, as shown in Figure 1, being provided with bolt joint seat 112 on the inner wall in stator mounting shell portion 11,
The bolt joint seat 112 is connect with the outer cover 12, and threaded hole 1121, the spiral shell are provided on the bolt joint seat 112
The centerline axis parallel of the central axis of pit 1121 and stator mounting shell portion 11, in order to by the stator 200 along institute
The central axial direction for stating stator mounting shell portion 11 is fixed in stator mounting shell portion 11.
As shown in Figures 2 and 4, the fixed structure of stator 100 further includes double threaded screw 2 and nut 3, the double end spiral shell
Bar 2 includes the first thread segment 21, the second thread segment 22 and is connected between first thread segment 21 and the second thread segment 22
Guide section 23, first thread segment 21 is threaded in the threaded hole 1121, and the nut 3 is threaded in described
On second thread segment 22.
As shown in figure 3, being provided with the axially extending guide through hole along the stator 200 on the outer wall of the stator 200
201, the guide through hole 201 penetrates through two end faces of the stator 200, and the guide section 23 is plugged on the guide through hole
In 201, so that the guide section 23 provides axially directed for the installation of the stator 200, make the central axis of the stator 200
With the centerline axis parallel in stator mounting shell portion 11.
By 200 location and installation of stator when on the fixed structure of stator 100, first by first thread segment 21
It is threaded in the threaded hole 1121, then the guide section 23 is plugged in the guide through hole 201, make the stator
200 are placed in stator mounting shell portion 11 along the guide section 23, lock the stator 200 finally by the nut 3
Tightly in the fixed structure of stator 100, the quick and accurate installation of the stator 200 is completed.
In one embodiment, as shown in Figures 2 and 3, the shape Yu guide through hole 201 of the cross section of the guide section 23
The shape of cross section is identical, and the area of the cross section of the guide section 23 is less than the area of the cross section of guide through hole 201, so that
The guide section 23 can be plugged in the guide through hole 201.
In embodiment as shown in Figures 2 and 3, the cross section of the guide section 23 and the guide through hole 201 it is transversal
Face is circle.
In other embodiments, the cross section of the guide section and the cross section of the guide through hole can also be other shapes
Shape, such as rectangle, ellipse or triangle.
In one embodiment, as shown in Fig. 1, Fig. 3 and Fig. 4, the bolt joint seat 112 be provided with it is multiple, it is multiple described
Bolt joint seat 112 is arranged in spaced reciprocally on the inner wall in stator mounting shell portion 11.
The guide through hole 201 is provided with multiple, and the stator is arranged in multiple guide through hole 201 spaced reciprocally
On 200 side wall, the position of the threaded hole 1121 of the position of multiple guide through hole 201 and multiple bolt joint seats 112
Set one-to-one correspondence.
The bolt joint seat 112 is provided with multiple, and the guide through hole 201 is provided with multiple, the guide through hole 201
It is corresponded with the threaded hole 1121, the stator 200 is located in the fixed structure of stator 100 more accurately
On.
In one embodiment, as shown in Figures 2 and 3, the double threaded screw 2 is provided with multiple, and the nut 3 is provided with more
A, the first thread segment 21 of multiple double threaded screws 2 is threaded in multiple bolt joint seats 112 correspondingly
In threaded hole 1121, multiple nuts 3 are threaded in the second thread segment 22 of multiple double threaded screws 2 correspondingly
On.
The double threaded screw 2 is provided with multiple, and the nut 3 is provided with multiple, the first thread segment of the double threaded screw 2
21 correspond with the threaded hole 1121 of the bolt joint seat 112, the second thread segment 22 of the double threaded screw 2 and the spiral shell
Mother 3 corresponds, further will be described while keeping the quantity of the bolt joint seat 112, double threaded screw 2 and nut 3 equal
Stator 200 is located in more accurately on the fixed structure of stator 100.
In such as Fig. 1 and embodiment illustrated in fig. 4, there are three the settings of double threaded screw 2, and the bolt joint seat 112 is set
There are three setting.Corresponding, guide through hole 201 on the shell 1 also will be there are three settings, and three double threaded screws 2 are distinguished
The stator 200 is positioned and installed by three bolt joint seats 112 and three guide through hole 201.
In other embodiments out not shown, the bolt joint seat, double threaded screw and nut may be alternatively provided as other
Number, such as 4,5 or 8 is spaced apart from each other between multiple bolt joint seats.
The installation process of speed changer provided by the embodiment of the utility model is as follows:
(1) the first thread segment 21 of three double threaded screws 2 is threaded in three bolts correspondingly
In the threaded hole 1121 of attachment base 112.
(2) stator 200 is lifted, so that the guide through hole 201 of stator 200 is directed at double threaded screw 2 and is slowly put into institute
It states in stator mounting shell portion 11, gently tapped with rubber hammer makes the stator be installed to bottom when necessary.
(3) three nuts 3 are threaded in second thread segment 22 of three double threaded screws 2 correspondingly
On, the fixed stator 200.
Fixed structure of stator 100 provided by the embodiment of the utility model can be used for integrating motor hybrid gearbox and
In pure electricity speed changer, it is equally applicable to other and uses motor and oily cold device.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of fixed structure of stator, which is characterized in that including shell, the shell includes stator mounting shell portion and outer cover, institute
Stator mounting shell portion is stated for installing stator, stator mounting shell portion is cylindrical in shape, and the outer cover is fixedly connected on the stator
The one end in mounting shell portion is provided on the inner wall in stator mounting shell portion to the central axis in stator mounting shell portion and protrudes
Multiple protrusions, the protrusion is towards being provided with circular arc limit on a side surface of the central axis in stator mounting shell portion
The circular arc confined planes of plane, multiple protrusions are located on same cylindrical surface, and the circular arc confined planes of multiple protrusions are used
Radial limit when stator installation.
2. fixed structure of stator according to claim 1, which is characterized in that be arranged on the inner wall in stator mounting shell portion
There is bolt joint seat, the bolt joint seat is connect with the outer cover, and threaded hole, the spiral shell are provided on the bolt joint seat
The centerline axis parallel of the central axis of pit and stator mounting shell portion；
The fixed structure of stator further includes double threaded screw and nut, and the double threaded screw includes the first thread segment, the second spiral shell
Line section and the guide section being connected between first thread segment and the second thread segment, first thread segment are threaded in
In the threaded hole, the nut thread is connected on second thread segment, and the guide section is plugged in when stator is installed
It is arranged in the guide through hole on stator to provide the axially directed of stator installation.
3. fixed structure of stator according to claim 2, which is characterized in that the shape of the cross section of the guide section with lead
Shape to the cross section of through-hole is identical, and the area of the cross section of the guide section is less than the area of the cross section of guide through hole.
4. fixed structure of stator according to claim 3, which is characterized in that the bolt joint seat be provided with it is multiple, it is more
A bolt joint seat is arranged in spaced reciprocally on the inner wall in stator mounting shell portion.
5. fixed structure of stator according to claim 4, which is characterized in that the double threaded screw be provided with it is multiple, it is described
Nut is provided with multiple, and the first thread segment of multiple double threaded screws is threaded in multiple bolts correspondingly and connects
In the threaded hole of joint chair, multiple nuts are threaded in the second thread segment of multiple double threaded screws correspondingly
On.
6. a kind of speed changer, which is characterized in that including stator and fixed structure of stator as described in claim 1, the circle
The outer peripheral surface sliding contact of arc confined planes and the stator.
7. speed changer according to claim 6, which is characterized in that be provided with bolt on the inner wall in stator mounting shell portion
Attachment base, the bolt joint seat are connect with the outer cover, and threaded hole is provided on the bolt joint seat, the threaded hole
The centerline axis parallel of central axis and stator mounting shell portion；
The fixed structure of stator further includes double threaded screw and nut, and the double threaded screw includes the first thread segment, the second spiral shell
Line section and the guide section being connected between first thread segment and the second thread segment, first thread segment are threaded in
In the threaded hole, the nut thread is connected on second thread segment；
The axially extending guide through hole along the stator is provided on the outer wall of the stator, the guide section is plugged on described
In guide through hole.
8. speed changer according to claim 7, which is characterized in that the shape and guide through hole of the cross section of the guide section
Cross section shape it is identical, the area of the cross section of the guide section is less than the area of the cross section of guide through hole.
9. speed changer according to claim 7, which is characterized in that the bolt joint seat be provided with it is multiple, it is multiple described
Bolt joint seat is arranged in spaced reciprocally on the inner wall in stator mounting shell portion；
The guide through hole is provided with multiple, and multiple guide through hole are arranged in spaced reciprocally on the side wall of the stator,
The position of the threaded hole of the position of multiple guide through hole and multiple bolt joint seats corresponds.
10. speed changer according to claim 9, which is characterized in that the double threaded screw is provided with multiple, and the nut is set
It is equipped with multiple, the first thread segment of multiple double threaded screws is threaded in multiple bolt joint seats correspondingly
In threaded hole, multiple nuts are threaded in correspondingly on the second thread segment of multiple double threaded screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821733769.4U CN208767869U (en) | 2018-10-24 | 2018-10-24 | Fixed structure of stator and speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821733769.4U CN208767869U (en) | 2018-10-24 | 2018-10-24 | Fixed structure of stator and speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208767869U true CN208767869U (en) | 2019-04-19 |
Family
ID=66137490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821733769.4U Active CN208767869U (en) | 2018-10-24 | 2018-10-24 | Fixed structure of stator and speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208767869U (en) |
-
2018
- 2018-10-24 CN CN201821733769.4U patent/CN208767869U/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: 20220110 Address after: 511400 No.36 Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: GAC AIAN New Energy Vehicle Co.,Ltd. Address before: 510030 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |