CN211266651U - Electric machine - Google Patents
Electric machine Download PDFInfo
- Publication number
- CN211266651U CN211266651U CN201922117189.3U CN201922117189U CN211266651U CN 211266651 U CN211266651 U CN 211266651U CN 201922117189 U CN201922117189 U CN 201922117189U CN 211266651 U CN211266651 U CN 211266651U
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- Prior art keywords
- bearing
- end cover
- motor
- hole
- boss
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- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 239000000306 component Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electric machines, concretely relates to motor. The rotor bearing assembly is provided with a bearing chamber provided with a rotor bearing, an end cover is arranged on the outer side of the bearing chamber, an elastic piece for limiting the axial movement of the bearing is arranged between the bearing and the end cover, and an installation part for fixing the elastic piece is arranged on the end cover. The setting of elastic component can restrict bearing axial displacement reduces the noise that bearing axial displacement and produced, and the extension the life of motor has with low costs advantage simultaneously, compares and uses the bearing clamp plate to push down motor rotor's bearing among the prior art to lock the bearing clamp plate on the motor end cover with the bolt, still have the simple advantage of installation.
Description
Technical Field
The utility model relates to the technical field of electric machines, concretely relates to motor.
Background
The motor core component comprises an end cover, a shell, a stator and a rotor, and the motor rotor needs to be axially fixed in order to prevent the rotor from generating noise and shortening the service life of the motor due to axial movement in the motor during motor assembly. The most used method at present is to press the bearing of the motor rotor by a bearing press plate and lock the bearing press plate on the motor end cover by bolts, such as the rotor structure of the high-speed permanent magnet motor disclosed in the existing chinese patent document CN 208874374U. The method has the disadvantages of high part cost and complicated assembly process.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the electric motor rotor axial fixity among the prior art is with high costs, assembly process is complicated to a motor that the assembly is simple, with low costs is provided.
In order to solve the problem, the utility model discloses a motor has the bearing room that sets up the active cell bearing the outside of bearing room is equipped with the end cover the bearing with be equipped with the restriction between the end cover bearing axial displacement's elastic component, be equipped with on the end cover fixedly the installation department of elastic component.
One side of end cover is kept away from the bearing room is equipped with the edge the axial of bearing outwards extends's boss, be equipped with on the boss the installation department.
The installation department is including setting up 4 inboard ring channels of boss, and with the edge that the ring channel communicates the radial outside mounting hole that extends of bearing, the axis of ring channel with the axis coincidence of bearing.
Still including the fixed part that is used for fixed motor, the mounting hole is located keep away from one side of fixed part.
The boss is further provided with a through hole, the axis of the through hole is overlapped with the axis of the bearing, and the through hole is communicated with the annular groove.
The elastic piece is of an annular structure and is provided with a positioning part arranged in the mounting hole.
The elastic piece is a circlip for the hole, and the mounting portion comprises a circlip groove for the hole.
The end cover is a rear end cover of the motor.
The automobile rear end cover is characterized by further comprising a shell, and the rear end cover is arranged inside the shell.
The utility model discloses technical scheme has following advantage:
1. the utility model discloses a motor has the bearing room that sets up active cell bearing the outside of bearing room is equipped with the end cover the bearing with be equipped with the restriction between the end cover bearing axial displacement's elastic component, be equipped with on the end cover fixedly the installation department of elastic component. The setting of elastic component can restrict bearing axial displacement reduces the noise that bearing axial displacement and produced, and the extension the life of motor has with low costs advantage simultaneously, compares and uses the bearing clamp plate to push down motor rotor's bearing among the prior art to lock the bearing clamp plate on the motor end cover with the bolt, still have the simple advantage of installation.
2. The utility model discloses an in the motor the elastic component is hole circlip, and hole circlip is the standard component, and the source of standard component is extensive, can reduce the whole manufacturing cost of motor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a partially exploded structure of a motor according to the present invention;
FIG. 2 is a schematic structural view after the elastic member is mounted;
description of reference numerals:
1-end cap; 2-a bearing chamber; 3-an annular groove; 4-boss; 5-mounting holes; 6-a machine shell; 7-a fixed part; 8-a bearing; 9-elastic member.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The motor in this embodiment has a bearing chamber 2, an end cover 1 provided outside the bearing chamber 2, a rotor, a bearing 8 for mounting the rotor and provided in the bearing chamber 2, a stator, and a housing 6. The housing 6 is located outside the motor and protects the end cap 1, stator and rotor located inside.
The bearing 8 generates noise if it moves in the axial direction of the bearing 8 during the rotation of the rotor and shortens the life of the motor, so that it is necessary to restrict the axial movement of the bearing 8. The inventor finds that the amplitude of the axial movement of the bearing 8 and the force applied to the limiting member are small, so that an elastic member 9 for limiting the axial movement of the bearing 8 can be arranged between the bearing 8 and the end cover 1, and the end cover 1 is provided with a mounting part for fixing the elastic member 9. The elastic piece 9 can limit the axial movement of the bearing 8, and compared with the prior art that the bearing pressing plate is used for pressing the bearing 8 of the motor rotor, and the bearing pressing plate is locked on the motor end cover 1 through bolts, the motor end cover has the advantages of low cost and simplicity in installation.
In this embodiment, a boss 4 extending outward in the axial direction of the bearing 8 is disposed on one side of the end cover 1 away from the bearing chamber 2, and the mounting portion is disposed on the boss 4. The installation department is including setting up the inboard ring channel 3 of boss 4, and with the edge that ring channel 3 communicates the radial outside mounting hole 5 that extends of bearing 8, the axis of ring channel 3 with the axis coincidence of bearing 8.
The motor is provided with a fixing part 7 for fixing the motor, and the mounting hole 5 is positioned on one side far away from the fixing part 7 for facilitating the installation of the elastic piece 9. And the boss 4 is also provided with a through hole, the axis of the through hole is superposed with the axis of the bearing 8, and the through hole is communicated with the annular groove 3.
In this embodiment, the elastic member 9 is a ring structure having a positioning portion installed in the mounting hole 5. In order to reduce the production cost of the motor, the elastic piece 9 is a hole circlip, and the mounting part comprises a hole circlip groove.
In this embodiment, the end cover 1 is a rear end cover of the motor, and the rear end cover is disposed inside the casing 6.
When the motor is assembled, the bearing 8 is first installed in the bearing chamber 2, and then the circlip for hole is clamped into the circlip groove for hole by a tool, so that the bearing 8 is fixed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (8)
1. A motor is provided with a bearing chamber (2) provided with a rotor bearing (8), and an end cover (1) is arranged on the outer side of the bearing chamber (2), and is characterized in that an elastic part (9) for limiting the axial movement of the bearing (8) is arranged between the bearing (8) and the end cover (1), and an installation part for fixing the elastic part (9) is arranged on the end cover (1); the elastic piece (9) is a circlip for the hole, and the mounting part comprises a circlip groove for the hole.
2. An electric machine according to claim 1, characterized in that the side of the end cover (1) facing away from the bearing chamber (2) is provided with a boss (4) extending outwards in the axial direction of the bearing (8), the mounting portion being provided on the boss (4).
3. The machine according to claim 2, wherein the mounting portion comprises an annular groove (3) disposed inside the boss (4), and a mounting hole (5) communicating with the annular groove (3) and extending outward in a radial direction of the bearing (8), and an axis of the annular groove (3) coincides with an axis of the bearing (8).
4. The machine according to claim 3, further comprising a fixing part (7) for fixing the machine, the mounting hole (5) being located on a side remote from the fixing part (7).
5. A machine as claimed in claim 3, characterized in that said boss (4) is also provided with a through hole, the axis of said through hole coinciding with the axis of said bearing (8), and said through hole communicating with said annular groove (3).
6. A machine as claimed in claim 3, characterized in that said elastic member (9) is of annular configuration with a positioning portion fitted in said mounting hole (5).
7. The machine according to claim 1, characterized in that the end cover (1) is the rear end cover of the machine.
8. The machine according to claim 7, further comprising a housing (6), the rear end cap being disposed inside the housing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117189.3U CN211266651U (en) | 2019-11-29 | 2019-11-29 | Electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117189.3U CN211266651U (en) | 2019-11-29 | 2019-11-29 | Electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211266651U true CN211266651U (en) | 2020-08-14 |
Family
ID=71960099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922117189.3U Active CN211266651U (en) | 2019-11-29 | 2019-11-29 | Electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211266651U (en) |
-
2019
- 2019-11-29 CN CN201922117189.3U patent/CN211266651U/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: 20240524 Address after: 471514 Hugoumen Group, Yangshan Village, Heyu Town, Luanchuan County, Luoyang City, Henan Province Patentee after: Yang Xinpeng Country or region after: China Address before: 314500 building 6, No.140 Guanghua Road, Tongxiang Economic Development Zone, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: Zhejiang alpha Automobile Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |