CN206775283U - Motor casing main body, motor casing and motor - Google Patents
Motor casing main body, motor casing and motor Download PDFInfo
- Publication number
- CN206775283U CN206775283U CN201720436403.XU CN201720436403U CN206775283U CN 206775283 U CN206775283 U CN 206775283U CN 201720436403 U CN201720436403 U CN 201720436403U CN 206775283 U CN206775283 U CN 206775283U
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- China
- Prior art keywords
- installation cavity
- limiting structure
- position limiting
- bearing
- motor casing
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Abstract
It the utility model is related to machine field, disclose a kind of motor casing main body, motor casing and motor, the motor casing main body includes installation cavity, and the installation cavity includes stator installation cavity (14), bearing installation cavity (11) and the bearing position limiting structure installation cavity (12) between the stator installation cavity (14) and the bearing installation cavity (11)；Projected in one end of the stator installation cavity (14) along its axis direction, the inner cavity surface contour line of the stator installation cavity (14) is located at beyond the inner cavity surface contour line of the bearing position limiting structure installation cavity (12), and the inner cavity surface contour line of the bearing position limiting structure installation cavity (12) is located at beyond the inner cavity surface contour line of the bearing installation cavity (11).Technical scheme provided by the utility model while the coaxial accuracy of the bearing installation cavity of motor casing and stator installation cavity is improved, can reduce the processing cost of motor casing and motor.
Description
Technical field
Machine field is the utility model is related to, in particular it relates to a kind of motor casing main body of improved structure, further, this
Utility model further relates to a kind of motor casing and motor.
Background technology
Motor includes motor casing, and motor casing cuts out stator installation cavity and bearing by cutting tool on product to be processed
Installation cavity and formed.Wherein, stator installation cavity is used to install stator, and bearing installation cavity is used to install bearing.In order to bearing
Carry out it is spacing, in motor casing also need set bearing position limiting structure.
In order to ensure that position of the bearing position limiting structure in motor casing is stable reliable spacing to be carried out to bearing.Prior art
It is spacing to be provided for bearing by processing radially inwardly projecting spacing ring on the inwall of bearing installation cavity.It is however, spacing
The barrier effect of ring causes during motor casing is made, it is impossible to goes out bearing in the same side time processing of product to be processed
Installation cavity and stator installation cavity.For lower-cost machining tool, the position of machining tool is fixed, and function phase is to list
One, cut out in the side of product to be processed after the inner headed face of stator installation cavity and the inner headed face of spacing ring, it is necessary to exchange to be added
Position made of work, then cut out the inner headed face of bearing installation cavity in the relative side of product to be processed.It is to be added due to exchanging
It is difficult to ensure that product to be processed is repositioned in original reference position behind the position of work product.Therefore, this mode processes
The coaxial accuracy of the motor casing come, its bearing installation cavity and stator installation cavity is relatively low, influences the functional reliability of motor.
In order to overcome above-mentioned the bearing installation cavity caused by the position of product to be processed is exchanged and stator installation cavity
The defects of coaxial accuracy is relatively low, can also keep product to be processed position it is constant in the case of, from product to be processed
The inner headed face of bearing installation cavity, the inner headed face of spacing ring and the inner headed face of stator installation cavity are produced respectively in both sides.It is however, this
Functional requirement of the process technology to machining tool is higher, such as needs to use the variable cutting tool ability of double end lathe or position
Realize above-mentioned processing technology.The relative complex machining tool of this function adds the processing cost of motor casing.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem present in prior art, there is provided one kind is improving
Under conditions of the bearing installation cavity of motor casing and the coaxial accuracy of stator installation cavity, the processing cost of motor casing and motor is reduced
Technical scheme.
To achieve these goals, the utility model first aspect provides a kind of motor casing main body, including installation cavity, described
Installation cavity includes stator installation cavity, bearing installation cavity and between the stator installation cavity and the bearing installation cavity
Bearing position limiting structure installation cavity；Projected in one end of the stator installation cavity along its axis direction, the stator installation cavity
Inner cavity surface contour line is located at beyond the inner cavity surface contour line of the bearing position limiting structure installation cavity, the bearing position limiting structure installation
The inner cavity surface contour line of chamber is located at beyond the inner cavity surface contour line of the bearing installation cavity.
Preferably, the stator installation cavity, the bearing position limiting structure installation cavity and the bearing installation cavity are coaxial
Cylindrical cavity.
Preferably, the bearing position limiting structure is spacing ring, and the internal diameter of the bearing position limiting structure installation cavity is more than described
The external diameter of spacing ring, the internal diameter of the bearing installation cavity are less than the external diameter of the spacing ring and more than the internal diameter of the spacing ring.
Preferably, the bearing position limiting structure is spacing ring, and the internal diameter of the bearing position limiting structure installation cavity is less than described
The external diameter of spacing ring, the internal diameter of the bearing installation cavity are more than the internal diameter of the spacing ring.
Preferably, formed with for being threadedly coupled the bearing limit on the inner peripheral wall of the bearing position limiting structure installation cavity
The screw thread of bit architecture.
The motor casing main body provided based on the utility model first aspect, the utility model second aspect provide a kind of motor
Shell, the motor casing include bearing position limiting structure and the motor casing main body according to the utility model first aspect, the axle
Position limiting structure is held in the bearing position limiting structure installation cavity of the motor casing main body.
Preferably, the bearing position limiting structure is spacing ring, the spacing ring and the bearing position limiting structure installation cavity it
Between there is gap, the spacing ring is anchored on the bearing position limiting structure installation cavity by the bonding agent being filled in the gap
It is interior.
Preferably, the bearing position limiting structure is spacing ring, and the spacing ring interference is arranged on the bearing position limiting structure
In installation cavity.
Preferably, the bearing position limiting structure is spacing ring, and the spacing ring is threaded in the bearing position limiting structure
In installation cavity.
The motor casing provided based on the utility model second aspect, the utility model third aspect provide a kind of motor, bag
Motor casing is included, the motor casing is the motor casing according to the utility model second aspect.
Technical scheme provided by the utility model has the advantages that：
It is spacing for installing bearing formed with bearing position limiting structure installation cavity in motor casing main body provided by the utility model
Structure, in axis direction projection of the one end of stator installation cavity along stator installation cavity, the inner chamber contour line of stator installation cavity is located at
Beyond the inner chamber contour line of bearing position limiting structure installation cavity, and the inner chamber contour line of bearing position limiting structure installation cavity is located at bearing peace
Beyond the inner chamber contour line behaveing affectedly.It is, in bearing installation cavity without formed with the integrally formed radial direction of motor casing main body to
The spacing ring of internal projection, but be installed on by separately made bearing position limiting structure in bearing position limiting structure installation cavity to substitute
Spacing ring., therefore, can be under conditions of the position of product to be processed not be changed due to the barrier effect of no spacing ring, profit
Go out stator installation cavity and bearing installation cavity with the same side time processing of the relatively single machining tool of function in product to be processed,
So as to improve the coaxial accuracy of stator installation cavity and bearing installation cavity, further, the functional reliability of motor can be improved；
Also, institute simpler in the same side time processing bearing installation cavity of product to be processed and the processing technology of stator installation cavity
The cost of the machining tool needed is lower, saves the processing cost of motor casing.Further, the processing cost of motor can be saved.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram for the motor casing main body that the utility model embodiment provides；
Fig. 2 is the spacing ring that the utility model embodiment provides from the dimensional structure diagram in terms of side；
Fig. 3 is the spacing ring that the utility model embodiment provides from the dimensional structure diagram in terms of opposite side；
Fig. 4 is the diagrammatic cross-section of the embodiment 1 for the motor casing that the utility model embodiment provides；
Fig. 5 is the enlarged drawing of I parts in Fig. 4；
Fig. 6 is the diagrammatic cross-section of the embodiment 2 for the motor casing that the utility model embodiment provides；
Fig. 7 is the enlarged drawing of II parts in Fig. 6；
Fig. 8 is the diagrammatic cross-section of the embodiment 3 for the motor casing that the utility model embodiment provides；
The enlarged drawing of III parts in Fig. 9 Fig. 8.
Description of reference numerals
1- motor casing main bodys；2- spacing rings；
3- gaps；4- interference installation position；
11- bearing installation cavitys；12- bearing position limiting structure installation cavitys；
13- screw threads；14- stator installation cavitys；
The inner ring perisporium of 21- spacing rings；The end face of 22- spacing rings；
The outer peripheral wall of 23- spacing rings.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
In the utility model embodiment, in the case where not making opposite explanation, the noun of locality that uses as " it is upper and lower, left,
It is right " typically refer to the signified upper and lower, left and right of refer to the attached drawing." inside and outside " refers to relative to the inside and outside of part contour line itself.
Referring to Fig. 1, the utility model embodiment first aspect provides a kind of motor casing main body 1, including installation cavity, it is described
Installation cavity includes stator installation cavity 14, bearing installation cavity 11 and positioned at the stator installation cavity 14 and the bearing installation cavity
Bearing position limiting structure installation cavity 12 between 11；Projected in one end of the stator installation cavity 14 along its axis direction, it is described
The inner cavity surface contour line of stator installation cavity 14 is located at beyond the inner cavity surface contour line of the bearing position limiting structure installation cavity 12, described
The inner cavity surface contour line of bearing position limiting structure installation cavity 12 is located at beyond the inner cavity surface contour line of the bearing installation cavity 11.
Formed with bearing position limiting structure installation cavity 12 in the above-mentioned motor casing main body 1 that the utility model embodiment provides, use
In installation bearing position limiting structure, in axis direction projection of the one end of stator installation cavity 14 along stator installation cavity 14, stator installation
The inner chamber contour line of chamber 14 is located at beyond the inner chamber contour line of bearing position limiting structure installation cavity 12, and bearing position limiting structure installation cavity
12 inner chamber contour line is located at beyond the inner chamber contour line of bearing installation cavity 11.It is, do not formed in bearing installation cavity 11
With the integrally formed radially-inwardly raised spacing ring 2 of motor casing main body 1, but pass through separately made bearing position limiting structure and pacify
Loaded on substituting spacing ring 2 in bearing position limiting structure installation cavity 12.Due to the barrier effect of no spacing ring 2, therefore, Ke Yi
Under conditions of the position for not changing product to be processed, using function phase to single machining tool in the same side of product to be processed
Time processing goes out stator installation cavity 14 and bearing installation cavity 11, so as to improve stator installation cavity 14 and bearing installation cavity 11
Coaxial accuracy；Also, in the same side time processing bearing installation cavity 11 of product to be processed and the processing of stator installation cavity 14
Technique is simpler, and the cost of required machining tool is lower, saves the processing cost of motor casing.
Wherein, the stator installation cavity 14, the bearing position limiting structure installation cavity 12 and the bearing installation cavity 11 be for example
Can be coaxial cylindrical cavity, be adapted with the bearing and the concrete shape of stator with cylinder, consequently facilitating stator and
The installation of bearing is fixed.
Refer to Fig. 2 and Fig. 3, the bearing position limiting structure for example can be spacing ring 2, and the bearing position limiting structure can be with
There are various ways to be arranged in bearing position limiting structure installation cavity 12, the bearing position limiting structure is provided with reference to Fig. 4-Fig. 9
Three kinds of embodiments of specific mounting means, and the stator is installed with reference to the specific mounting means of the bearing position limiting structure
The specific design structure of chamber, the position limiting structure installation cavity and the bearing installation cavity is described in detail, certain bearing
The specific mounting means of position limiting structure is not limited to this.
Embodiment 1
Fig. 4 and Fig. 5 are referred to, formed with for being threadedly coupled on the inner peripheral wall of the bearing position limiting structure installation cavity 12
The screw thread 13 of the bearing position limiting structure.Specifically, the bearing position limiting structure installation cavity 12 is cylindrical cavity, the cylinder
Formed with the first screw thread on the inner peripheral wall of cavity, bearing position limiting structure for example can be spacing ring 2, the outer shroud of the spacing ring 2
Match on perisporium 23 formed with the second screw thread, the second screw thread with the first screw thread, so that spacing ring 2 can use threaded connection
Mode be tightened against in bearing position limiting structure installation cavity 12.
Embodiment 2
Fig. 6 and Fig. 7 are referred to, the bearing position limiting structure is spacing ring 2, and the stator installation cavity 14, the bearing limit
Bit architecture installation cavity 12 and the bearing installation cavity 11 are coaxial cylindrical cavity, wherein, the bearing position limiting structure installation
The internal diameter of chamber 12 be more than the spacing ring 2 external diameter, therefore, between the spacing ring 2 and the bearing position limiting structure formed with
Gap 3, specifically, the gap 3 is annular space, axis direction and the bearing position limiting structure installation cavity 12 of the annular space
Axis direction overlap, spacing ring 2 can be anchored on bearing position limiting structure by the bonding agent being filled in the annular space
In installation cavity 12；The internal diameter of the bearing installation cavity 11 is less than the external diameter of the spacing ring 2 and is more than the interior of the spacing ring 2
Footpath, therefore, after the spacing ring 2 is arranged in bearing position limiting structure installation cavity 12, the spacing ring 2 can be to being installed on axle
The inner ring end face for holding the bearing in installation cavity 11 abuts, spacing to be carried out to bearing.
Embodiment 3
Fig. 8 and Fig. 9 are referred to, the bearing position limiting structure is spacing ring 2, and the stator installation cavity 14, the bearing limit
Bit architecture installation cavity 12 and the bearing installation cavity 11 are coaxial cylindrical cavity, wherein, the bearing position limiting structure installation
The internal diameter of chamber 12 is less than the external diameter of the spacing ring 2, so as to which the spacing ring 2 can be arranged on the bearing position limiting structure with interference
In installation cavity 12, and keep coaxial with bearing position limiting structure installation cavity 12.The internal diameter of the bearing installation cavity 11 is more than described
The internal diameter of spacing ring 2, therefore, after the spacing ring 2 is arranged in bearing position limiting structure installation cavity 12, the energy of spacing ring 2
The inner ring end face of enough bearings to being installed in bearing installation cavity 11 abuts, spacing to be carried out to bearing.
Fig. 2 and Fig. 3 are referred to, it is stable in order to improve installation of the spacing ring 2 in bearing position limiting structure installation cavity 12
Property, the end face 22 of the spacing ring 2 is hierarchic structure with annular is formed on the end face of spacing ring 2 raised, annular
Raised internal diameter is equal to the internal diameter of spacing ring 2, also, the external diameter of annular projection is equal to the internal diameter of bearing installation cavity 11.Such as
This, after spacing ring 2 is arranged in bearing position limiting structure installation cavity 12, its annular is raised in bearing installation cavity 11, uses
In the inner ring end face for abutting bearing.Spacing ring 2 can be improved in bearing position limiting structure by the cooperation positioning of above-mentioned hierarchic structure
Positional stability in installation cavity 12.
It should be noted that the bearing position limiting structure in bearing position limiting structure installation cavity 12, is used for and bearing
Inner ring end face abut and realize to the position-limiting action of bearing.Therefore, the bearing position limiting structure can also be other structures, example
Such as can be to be only capable of the multiple arcs limited block that a part for enough and bearing inner ring end face abuts against.Arc-shaped limit block specifically may be used
It is fixed on by bonding agent in bearing position limiting structure installation cavity 12.
The motor casing main body 1 provided based on the utility model embodiment first aspect, the utility model embodiment second party
Face provides a kind of motor casing, and the motor casing includes bearing position limiting structure and motor casing main body 1, the bearing position limiting structure installation
In the bearing position limiting structure installation cavity 12 of the motor casing main body 1, the motor casing main body 1 is the utility model embodiment the
Motor casing main body 1 described in one side.
Because the motor casing main body 1 that the utility model embodiment first aspect provides has beneficial effect as described above,
Therefore the processing cost for the motor casing that the utility model embodiment second aspect provides is lower, bearing installation cavity 11 and stator installation
The coaxial accuracy of chamber 14 is higher.
Wherein, the bearing position limiting structure for example can be spacing ring 2, and the spacing ring 2 can pacify in several ways
In the bearing position limiting structure installation cavity 12, the specific mounting means of the spacing ring 2 is provided with reference to Fig. 4-Fig. 9
Three kinds of embodiments, certainly, the spacing ring 2 can also be installed by other means.
Embodiment 1
Fig. 4 and Fig. 5 are referred to, the bearing position limiting structure is spacing ring 2, and the spacing ring 2 is threaded in the axle
Hold in position limiting structure installation cavity 12.Specifically, the bearing position limiting structure installation cavity 12 is cylindrical cavity, the cylindrical cavity
Inner peripheral wall on formed with the first screw thread, formed with the second screw thread on the outer peripheral wall 23 of the spacing ring 2, the second screw thread with
First screw thread matches, so that spacing ring 2 can be tightened against bearing position limiting structure installation cavity 12 with the mode of threaded connection
It is interior.
Embodiment 2
Fig. 6 and Fig. 7 are referred to, the bearing position limiting structure is spacing ring 2, the spacing ring 2 and the spacing knot of the bearing
There is gap 3, the spacing ring 2 is anchored on the bearing by the bonding agent being filled in the gap 3 between structure installation cavity 12
In position limiting structure installation cavity 12.
Embodiment 3
Fig. 8 and Fig. 9 are referred to, the bearing position limiting structure is spacing ring 2, and the interference of spacing ring 2 is arranged on the axle
Hold in position limiting structure installation cavity 12.Specifically, the internal diameter of the bearing position limiting structure installation cavity 12 is slightly less than the spacing ring 2
External diameter, before the spacing ring 2 is installed, first the bearing position limiting structure installation cavity 12 can be heated, then again will
The spacing ring 2 is installed in the bearing position limiting structure installation cavity 12.
The motor casing provided based on the utility model embodiment second aspect, the utility model embodiment third aspect are provided
A kind of motor, including motor casing, the motor casing are the motor casing described in the utility model embodiment second aspect.Due to this reality
The motor casing provided with new embodiment second aspect has beneficial effect as described above, therefore, the utility model embodiment
The processing cost for the motor that the third aspect provides is lower, and the coaxial accuracy of stator and rotor is higher, has higher work can
By property.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.
Claims (10)
1. a kind of motor casing main body, including installation cavity, it is characterised in that the installation cavity includes stator installation cavity (14), bearing
Installation cavity (11) and the bearing position limiting structure peace between the stator installation cavity (14) and the bearing installation cavity (11)
It behave affectedly (12)；Projected in one end of the stator installation cavity (14) along its axis direction, the stator installation cavity (14) it is interior
Cavity surface contour line is located at beyond the inner cavity surface contour line of the bearing position limiting structure installation cavity (12), the bearing position limiting structure peace
The inner cavity surface contour line of (12) of behaveing affectedly is located at beyond the inner cavity surface contour line of the bearing installation cavity (11).
2. motor casing main body according to claim 1, it is characterised in that the stator installation cavity (14), bearing limit
Bit architecture installation cavity (12) and the bearing installation cavity (11) are coaxial cylindrical cavity.
3. motor casing main body according to claim 2, it is characterised in that the bearing position limiting structure is spacing ring (2), institute
State bearing position limiting structure installation cavity (12) internal diameter be more than the spacing ring (2) external diameter, the bearing installation cavity (11) it is interior
Footpath is less than the external diameter of the spacing ring (2) and more than the internal diameter of the spacing ring (2).
4. motor casing main body according to claim 2, it is characterised in that the bearing position limiting structure is spacing ring (2), institute
State bearing position limiting structure installation cavity (12) internal diameter be less than the spacing ring (2) external diameter, the bearing installation cavity (11) it is interior
Footpath is more than the internal diameter of the spacing ring (2).
5. motor casing main body according to claim 2, it is characterised in that the bearing position limiting structure installation cavity (12) it is interior
Formed with the screw thread (13) for being threadedly coupled the bearing position limiting structure in circumferential wall.
6. a kind of motor casing, it is characterised in that the motor casing includes bearing position limiting structure and according to any in claim 1-5
Motor casing main body described in one, the bearing position limiting structure that the bearing position limiting structure is arranged on the motor casing main body (1) are pacified
It behave affectedly in (12).
7. motor casing according to claim 6, it is characterised in that the bearing position limiting structure is spacing ring (2), the limit
There are gap (3) between position ring (2) and the bearing position limiting structure installation cavity (12), the spacing ring (2) is by being filled in this
Bonding agent in gap (3) is anchored in the bearing position limiting structure installation cavity (12).
8. motor casing according to claim 6, it is characterised in that the bearing position limiting structure is spacing ring (2), the limit
Position ring (2) interference is arranged in the bearing position limiting structure installation cavity (12).
9. motor casing according to claim 6, it is characterised in that the bearing position limiting structure is spacing ring (2), the limit
Position ring (2) is threaded in the bearing position limiting structure installation cavity (12).
10. a kind of motor, including motor casing, it is characterised in that the motor casing is according to any one institute in claim 6-9
The motor casing stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436403.XU CN206775283U (en) | 2017-04-24 | 2017-04-24 | Motor casing main body, motor casing and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720436403.XU CN206775283U (en) | 2017-04-24 | 2017-04-24 | Motor casing main body, motor casing and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775283U true CN206775283U (en) | 2017-12-19 |
Family
ID=60634254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720436403.XU Active CN206775283U (en) | 2017-04-24 | 2017-04-24 | Motor casing main body, motor casing and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877552A (en) * | 2017-04-24 | 2017-06-20 | 威灵（芜湖）电机制造有限公司 | Motor casing main body, motor casing and motor |
-
2017
- 2017-04-24 CN CN201720436403.XU patent/CN206775283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877552A (en) * | 2017-04-24 | 2017-06-20 | 威灵（芜湖）电机制造有限公司 | Motor casing main body, motor casing and motor |
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