CN110707855A - Motor sealing ring structure and motor with same - Google Patents
Motor sealing ring structure and motor with same Download PDFInfo
- Publication number
- CN110707855A CN110707855A CN201910973252.5A CN201910973252A CN110707855A CN 110707855 A CN110707855 A CN 110707855A CN 201910973252 A CN201910973252 A CN 201910973252A CN 110707855 A CN110707855 A CN 110707855A
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- China
- Prior art keywords
- sealing ring
- ring body
- seal ring
- motor
- structure according
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims 2
- 238000011900 installation process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a motor sealing ring structure and a motor with the same, relates to the technical field of sealing rings, and solves the technical problem that the sealing ring installation process is complicated in the prior art. The motor sealing ring structure comprises a sealing ring body and a fixing structure and a waterproof structure which are arranged on the sealing ring body, wherein the first end of the sealing ring body is penetrated through the end cover and is abutted to the bearing, the fixing structure can limit the degree of freedom of the sealing ring body relative to the rotating shaft, and the waterproof structure can prevent water from entering the motor.
Description
Technical Field
The invention relates to the technical field of sealing rings, in particular to a motor sealing ring structure and a motor with the same.
Background
When the motor of the electric vehicle is produced and assembled at present, a bearing is firstly pressed into a lower end cover, then a sealing ring is nested on the bottom wall of a bearing chamber, fan blades are installed on the shaft head part by using a fixing clamp, and the installation process is complicated and has the hidden trouble of missing parts; secondly, the shaft head part of the motor rotating shaft is exposed outside and is easy to rust; in order to prevent rainwater and the like from entering from a gap between the shaft head and the end cover and entering the bearing and internal devices, the fan blades are arranged on the shaft head part, the rotation of the fan blades is utilized to prevent rainwater and the like from invading the motor, but the interval between the fan blades and a sealing ring close to the bearing is large, and at least the shaft head is easily corroded by the rainwater.
Disclosure of Invention
The invention aims to provide a motor sealing ring structure and a motor with the same, and aims to solve the technical problem that the sealing ring installation process is complicated in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a motor sealing ring structure which comprises a sealing ring body, and a fixing structure and a waterproof structure which are arranged on the sealing ring body, wherein the first end of the sealing ring body is arranged on an end cover in a penetrating mode and is abutted to a bearing, the fixing structure can limit the degree of freedom of the sealing ring body relative to a rotating shaft, and the waterproof structure can prevent water from entering a motor.
Optionally, the fixing structure is a threaded connection structure.
Optionally, the fixed knot constructs still includes and embraces the device tightly, it can make to embrace the device tightly to laminate with the pivot the inner wall of sealing washer body.
Optionally, the clasping device comprises an annular spring and a mounting groove, the mounting groove is formed in the sealing ring body, and the annular spring is mounted in the mounting groove.
Optionally, the mounting groove includes an axial groove and a radial groove, the axial groove is axially formed in the first end face of the seal ring body, and the radial groove is formed in the inner ring inner wall of the axial groove and is capable of mounting the annular spring.
Optionally, the second end face of the sealing ring body is arranged in a closed manner, and the first end face of the sealing ring body is sleeved on the shaft head of the rotating shaft.
Optionally, the second end face is a tapered face.
Optionally, an oil storage tank is formed in the inner wall of the sealing ring body.
Optionally, the sealing ring body and the waterproof structure are integrally formed.
Optionally, the waterproof structure is a fan blade, and the fan blade is arranged on the outer wall of the sealing ring body.
A motor comprises the motor sealing ring structure.
The invention provides a motor sealing ring structure which comprises a sealing ring body, and a fixing structure and a waterproof structure which are arranged on the sealing ring body, wherein the first end of the sealing ring body is arranged on an end cover in a penetrating mode and abutted to a bearing, the fixing structure can limit the degree of freedom of the sealing ring body relative to a rotating shaft, and the waterproof structure can prevent water from entering a 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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of the overall structure of a sealing ring structure of an electric motor according to the present invention;
fig. 2 is an installation schematic diagram of a motor sealing ring structure.
In figure 1, a seal ring body; 2. an end cap; 3. an internal thread; 4. a ring spring; 5. an axial slot; 6. a radial slot; 7. a conical surface; 8. an oil storage tank; 9. a fan blade.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention provides a motor sealing ring structure, which comprises a sealing ring body 1, and a fixing structure and a waterproof structure which are arranged on the sealing ring body 1, wherein the first end of the sealing ring body 1 is arranged on an end cover 2 in a penetrating manner and is abutted against a bearing, the fixing structure can limit the degree of freedom of the sealing ring body 1 relative to a rotating shaft, and the waterproof structure can prevent water from entering a motor.
The sealing ring body 1 can penetrate through the motor end cover 2 from the outside after the motor is integrally installed, and the fixing structure and the waterproof structure are arranged on the sealing ring body 1 and can be integrally installed, so that the problem that the existing sealing ring is complicated in installation process is solved; meanwhile, the fixing structure and the waterproof structure are arranged on the sealing ring body 1 and can be integrally installed, and the sealing ring can be installed after the motor is integrally installed, so that the hidden danger that parts are omitted when the sealing ring is installed in the prior art can be reduced, the installation and the operation are simple, and the assembly efficiency and the quality of the motor are ensured; meanwhile, an end cover 2 of the sealing ring is arranged on the bearing, and the bearing is also protected.
In an alternative embodiment, the fixing structure is a threaded connection structure.
The fixing structure is a threaded connection structure, so that the sealing ring can be quickly assembled, the installation efficiency is ensured, and meanwhile, the threads have self-locking capacity, so that the sealing ring can be reliably fixed.
Further, the fixing structure of the invention comprises an internal thread 3 arranged on the sealing ring body 1, the internal thread 3 is matched with an external thread arranged on the rotating shaft, the sealing ring body 1 is screwed on the rotating shaft, meanwhile, the screwing direction of the internal thread 3 is opposite to the rotating direction of the rotating shaft of the motor, so that when the rotating shaft rotates, the sealing ring can be always in a locking state by the thread structure, and the sealing ring can not fall off the rotating shaft, the installation process is concretely that when the motor is assembled and produced, an upper bearing and a lower bearing are respectively pressed into an upper end cover and a lower end cover 2, a special tool is used for size limitation in the process, the pressed upper end cover 2 and the rotating shaft are put into the hydraulic press for assembly again, a stator is put into a machine shell, a rotor assembly is sequentially combined into the machine shell, the lower end cover 2 is assembled, the integral assembly of the motor is completed, and then the, and sleeving the sealing ring into the shaft head part, rotating the rotating shaft of the motor according to the rotating direction of the motor, rotating the sealing ring in the opposite direction of the motor after the sealing ring is sleeved, so that the rotating shaft and the sealing ring are self-locked, and finally, clamping the flat position of the rotating shaft by using a spanner for fastening and assembling.
As an optional implementation manner, the fixing structure further includes a holding device, and the holding device can make the inner wall of the seal ring body 1 closely fit with the rotating shaft.
The fixing structure also comprises a holding device, wherein the holding device can enable the inner wall of the sealing ring body 1 to be tightly attached to the rotating shaft, and can effectively prevent the sealing ring from falling off.
As an optional implementation manner, the clasping device includes an annular spring 4 and a mounting groove, the mounting groove is opened in the seal ring body 1, and the annular spring 4 is mounted in the mounting groove.
The holding device comprises an annular spring 4 and an installation groove, wherein the annular spring 4 is fixed in the installation groove to play a role in enabling the inner wall of the sealing ring to hold the shaft head tightly.
As an alternative embodiment, the mounting groove includes an axial groove 5 and a radial groove 6, the axial groove 5 is axially opened on the first end surface of the seal ring body 1, and the radial groove 6 is opened on the inner ring inner wall of the axial groove 5, so that the annular spring 4 can be mounted.
The mounting groove comprises an axial groove 5 and a radial groove 6, the axial groove 5 is axially arranged on the first end face of the sealing ring body 1, the radial groove 6 is arranged on the inner ring inner wall of the axial groove 5, the axial groove 5 and the radial groove 6 can completely coat the annular spring 4, the contact between the outer wall of the sealing ring and the end cover 2 is not influenced, the sealing effect is realized, the contact between the inner wall of the sealing ring and a shaft head is not influenced, the holding effect is realized, and meanwhile, the annular spring 4 can be protected from being corroded.
As an optional implementation manner, the second end surface of the sealing ring body 1 is arranged in a closed manner, and the first end surface of the sealing ring body 1 is sleeved on the spindle nose of the rotating shaft.
The second end face of the sealing ring body 1 is arranged in a closed mode, the first end face of the sealing ring body 1 is sleeved on the shaft head of the rotating shaft, the shaft head can be completely coated by the sealing ring, and the defect that the shaft head is easy to rust when exposed outside is overcome.
In an alternative embodiment, the second end surface is a tapered surface 7.
The second end face is a conical surface 7, so that the impact of rainwater on the shaft part can be reduced, and the motor is protected.
As an optional implementation mode, an oil storage tank 8 is opened on the inner wall of the sealing ring body 1.
The inner wall of the sealing ring body 1 is provided with the oil storage tank 8, lubricating oil can be placed in the oil storage tank, and the self-lubricating effect of the sealing ring can be guaranteed.
As an alternative embodiment, the sealing ring body 1 is integrally formed with the waterproof structure.
The sealing ring body 1 and the waterproof structure are integrally formed, so that the structure is simple and the installation is convenient.
As an optional implementation manner, the waterproof structure is a fan blade 9, and the fan blade 9 is disposed on the outer wall of the sealing ring body 1.
The waterproof structure is the fan blade 9, the fan blade 9 is arranged on the outer wall of the sealing ring body 1, the fan blade 9 can rotate along with the shaft head, the sealing and waterproof effects can be further achieved during the operation of the motor, and meanwhile the heat dissipation effect can be achieved.
Further, the fan blades 9 are made of polyurethane materials, and the sealing ring body 1 is made of fluororubber.
A motor comprises the motor sealing ring structure.
The motor can avoid the problem that the existing sealing ring is complicated in installation process; meanwhile, the hidden danger that parts are omitted when a sealing ring is installed in the prior art can be reduced, the installation operation is simple, and the assembly efficiency and the quality of the motor are ensured; meanwhile, one end of the sealing ring covers the bearing, and the bearing is protected.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (11)
1. The utility model provides a motor seal ring structure which characterized in that: including the sealing washer body with set up fixed knot structure and waterproof construction on it, the end cover is worn to locate by the first end of sealing washer body and is offseted with the bearing, fixed knot constructs can inject the degree of freedom of sealing washer body for the pivot, waterproof construction can prevent that water from getting into the motor.
2. The electric motor seal ring structure according to claim 1, wherein: the fixing structure is a threaded connection structure.
3. The electric motor seal ring structure according to claim 1, wherein: the fixing structure further comprises a holding device, and the holding device can enable the inner wall of the sealing ring body to be tightly attached to the rotating shaft.
4. The electric motor seal ring structure according to claim 3, wherein: the holding device comprises an annular spring and a mounting groove, the mounting groove is formed in the sealing ring body, and the annular spring is installed in the mounting groove.
5. The electric motor seal ring structure according to claim 4, wherein: the mounting groove comprises an axial groove and a radial groove, the axial groove is axially formed in the first end face of the sealing ring body, the radial groove is formed in the inner ring inner wall of the axial groove, and the annular spring can be mounted.
6. The electric motor seal ring structure according to claim 1, wherein: the second end face of the sealing ring body is arranged in a closed mode, and the first end face of the sealing ring body is sleeved on the shaft head of the rotating shaft.
7. The electric motor seal ring structure according to claim 6, wherein: the second end surface is a conical surface.
8. The electric motor seal ring structure according to claim 1, wherein: an oil storage tank is formed in the inner wall of the sealing ring body.
9. The electric motor seal ring structure according to claim 1, wherein: the sealing ring body and the waterproof structure are integrally formed.
10. The electric motor seal ring structure according to claim 1, wherein: the waterproof structure is a fan blade, and the fan blade is arranged on the outer wall of the sealing ring body.
11. An electric machine characterized by: comprising a motor seal ring structure according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973252.5A CN110707855A (en) | 2019-10-14 | 2019-10-14 | Motor sealing ring structure and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910973252.5A CN110707855A (en) | 2019-10-14 | 2019-10-14 | Motor sealing ring structure and motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110707855A true CN110707855A (en) | 2020-01-17 |
Family
ID=69199460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910973252.5A Pending CN110707855A (en) | 2019-10-14 | 2019-10-14 | Motor sealing ring structure and motor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110707855A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203967878U (en) * | 2014-06-06 | 2014-11-26 | 临海市誉达机电有限公司 | A kind of dust-proof motor |
| CN204068516U (en) * | 2014-10-20 | 2014-12-31 | 湖州南洋电机有限公司 | A kind of durable type motor for washer |
| CN107888010A (en) * | 2017-11-17 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of motor sealing structure and motor |
| CN208369358U (en) * | 2018-05-27 | 2019-01-11 | 江西悦轮科技有限公司 | A kind of waterproof sealing structure |
-
2019
- 2019-10-14 CN CN201910973252.5A patent/CN110707855A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203967878U (en) * | 2014-06-06 | 2014-11-26 | 临海市誉达机电有限公司 | A kind of dust-proof motor |
| CN204068516U (en) * | 2014-10-20 | 2014-12-31 | 湖州南洋电机有限公司 | A kind of durable type motor for washer |
| CN107888010A (en) * | 2017-11-17 | 2018-04-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of motor sealing structure and motor |
| CN208369358U (en) * | 2018-05-27 | 2019-01-11 | 江西悦轮科技有限公司 | A kind of waterproof sealing structure |
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