CN108155741B - Motor with a motor housing - Google Patents
Motor with a motor housing Download PDFInfo
- Publication number
- CN108155741B CN108155741B CN201810126018.4A CN201810126018A CN108155741B CN 108155741 B CN108155741 B CN 108155741B CN 201810126018 A CN201810126018 A CN 201810126018A CN 108155741 B CN108155741 B CN 108155741B
- Authority
- CN
- China
- Prior art keywords
- end cover
- face
- outer edge
- fixing
- fixing part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004033 plastic Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- 238000001746 injection moulding Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012778 molding material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides a motor, which comprises a stator, an end cover and a connecting part, wherein the end cover is arranged on the stator; the connecting part is fixedly connected to the end part of the stator, the connecting part is provided with a connecting end face, a fixing part is arranged on the connecting end face, and the fixing part can press the end cover on the connecting end face. The invention can prevent the end cover from loosening when the motor heats, improves the quality of products, and has the advantage of convenient disassembly or installation.
Description
Technical Field
The invention relates to the technical field of motor manufacturing, in particular to a motor.
Background
The traditional plastic package motor end cover and the motor are combined in a pressed mode, namely, the motor end cover and the stator are fixed in a single-sided interference fit mode through the inner circular surface of the stator and the outer circular surface of the end cover, and as the thermal expansion coefficient of the end cover is smaller than that of a plastic package material, the interference is reduced after the motor runs and generates heat, so that the hidden danger of loosening of the end cover exists.
Disclosure of Invention
The invention mainly aims to provide a motor, which can prevent the phenomenon that an end cover is loosened when the motor heats, and improve the quality of products.
The invention provides a motor, which comprises a stator, an end cover and a connecting part, wherein the end cover is arranged on the stator;
The connecting part is fixedly connected to the end part of the stator, the connecting part is provided with a connecting end face, a fixing part is arranged on the connecting end face, and the fixing part can press the end cover to the connecting end face.
Preferably, when the end cap is applied to the connecting end face, the fixing element is bent in order to press the end cap against the connecting end face.
Preferably, the connecting part is integrally formed with the stator by injection molding.
Preferably, a through hole is provided in the connection end face, and injection molding material is able to fill the through hole when injection molding the connection member and the stator.
Preferably, the shape of the connecting member is a circular ring shape.
Preferably, when the connecting end face is provided with through holes, the number of the through holes is two or more, and the through holes are arranged in a circular array with the axis of the connecting member as the center.
Preferably, on the connecting end face, along the radial direction of the connecting part, a distance exists between the fixing part and the inner hole wall of the connecting part, the outer edge of the end cover can be located between the fixing part and the inner hole wall, and the fixing part is bent, so that the fixing part presses the outer edge of the end cover on the connecting end face.
Preferably, the outer edge of the end cover is circular and coaxial with the connecting part.
Preferably, the number of the fixing members is two or more, and the fixing members are arranged in a circular array with the axis of the connecting member as the center.
Preferably, the outer edge of the end cover is circular, the diameter of which is smaller than or equal to that of the inner hole of the connecting part, and a protrusion extending along the axial direction far away from the end cover is arranged on the outer edge of the end cover;
The end cover and the connecting part are coaxially arranged, so that the end cover can be abutted to the connecting end face through the protrusions, and the fixing part can be pressed and stuck to the outer edge of the end cover so as to press and stick the protrusions to the connecting end face.
Preferably, the number of the protrusions is more than two, the protrusions are arranged in a circular array with the axis of the end cover as the center, the number of the fixing parts is more than two, and the fixing parts are located between the adjacent protrusions.
Preferably, the fixing part is provided with a bending surface which is flush with the inner hole wall of the connecting part, and after the fixing part is bent, the fixing part is pressed against the outer edge of the end cover through the bending surface.
According to the motor provided by the invention, the connecting part is fixedly connected to the end part of the stator, the connecting part is provided with the connecting end face, the fixing part is arranged on the connecting end face, and the fixing part can press the end cover on the connecting end face.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
Fig. 1 is a schematic diagram of a motor structure in a first embodiment;
FIG. 2 is a schematic illustration of the end cap of FIG. 1;
FIG. 3 is a schematic view of the connecting member of FIG. 1;
fig. 4 is a schematic diagram of the motor structure in the second embodiment;
FIG. 5 is a schematic view of the end cap of FIG. 4;
FIG. 6 is a schematic view of the connecting member of FIG. 4;
in the figure: 1. a stator; 2. an end cap; 21. an outer edge; 22. a protrusion; 3. a connecting member; 31. a connecting end face; 32. a fixing member; 33. a through hole; 34. an inner bore; 35. and (5) bending the surface.
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 clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, 2 and 3, a motor includes a stator 1, an end cap 2 and a connecting member 3, wherein the connecting member 3 is fixedly connected to an end portion of the stator 1, the connecting member 3 has a connecting end face 31, a fixing member 32 is provided on the connecting end face 31, and the fixing member 32 can press the end cap 2 against the connecting end face 31. It should be noted that the stator 1 may be a plastic-sealed stator, that is, the motor may be a plastic-sealed motor. By adopting the mode, even when the motor is in operation and generates heat, the end cover 2 can not be loosened from the stator 1, and meanwhile, the coaxiality of a bearing chamber (not shown) on the end cover 2 and the inner circle of the stator 1 can be ensured by adopting the fixing mode, so that the motor is prevented from generating noise in operation.
Specifically, as shown in fig. 1, when the end cap 2 is abutted against the connection end face 31, the fixing member 32 is bent so that it can press the end cap 2 against the connection end face 31. When dismantling end cover 2, only need with fixed part 32 pry up can realize, adopt such mode, not only can guarantee to firmly fix end cover 2 on connecting component 3, be convenient for install or dismantle end cover 2 moreover, avoid damaging the bearing at the installation or the dismantlement in-process of end cover 2, improved the rate of recovery of bearing, simultaneously for prior art, can also avoid appearing the phenomenon that the material drops of moulding plastics on the stator 1 in the installation or the dismantlement in-process of end cover 2, and then prolonged the life of this motor. It should be noted that the fixing member 32 may be integrally formed with the connecting member 3, or may be fixedly connected to the connecting surface of the connecting member 3 by welding or other available means.
In actual manufacturing, as shown in fig. 3, the shape of the connecting component 3 may be a ring, and the connecting component 3 may be integrally formed with the stator 1 by injection molding, so as to ensure coaxiality between the connecting component 3 and the stator 1. Further, as shown in fig. 3, through holes 33 are provided in the connection end face 31, and when the connection member 3 and the stator 1 are injection-molded, the injection molding material can fill the through holes 33, so that the injection molding material can penetrate through both ends of the through holes 33, and the connection strength between the connection member 3 and the stator 1 is greatly enhanced. Wherein the number of through holes 33 is two or more, and are arranged in a circular array centered on the axis of the connection member 3.
In actual manufacture, as shown in fig. 3, on the connecting end face 31, a distance exists between the fixing member 32 and the wall of the inner hole 34 of the connecting member 3 along the radial direction of the connecting member 3, as shown in fig. 2, the outer edge 21 of the end cover 2 is circular coaxial with the connecting member 3, the outer edge 21 of the end cover 2 can be positioned between the fixing member 32 and the wall of the inner hole 34, and the fixing member 32 is bent to press the outer edge 21 of the end cover 2 against the connecting end face 31. Wherein the number of the fixing members 32 is two or more, and are arranged in a circular array centering on the axis of the connecting member 3.
Example two
As shown in fig. 4, 5 and 6, the motor in this embodiment is different from the motor described in one of the embodiments in that the outer edge 21 of the end cover 2 has a circular shape with a diameter smaller than or equal to the diameter of the inner hole 34 of the connecting member 3, and the protrusion 22 extending in the direction away from the axis of the end cover 2 is provided on the outer edge 21 of the end cover 2. The end cap 2 is arranged coaxially with the connecting member 3 such that the end cap 2 can be abutted against the connecting end face 31 by the projection 22, and the fixing member 32 can be pressed against the outer edge 21 of the end cap 2 to press the projection 22 against the connecting end face 31. The number of the protrusions 22 is more than two, and the protrusions 22 are arranged in a circular array with the axis of the end cover 2 as the center, and the number of the fixing parts 32 is equal to the number of the protrusions 22 and are staggered with each other. That is to say that each securing element 32 corresponds to the outer edge 21 between two adjacent projections 22 to ensure a firm mounting between the end cap 2 and the connecting element 3.
In actual manufacture, as shown in fig. 6, the fixing member 32 has a bending surface 35 flush with the wall of the inner hole 34 of the connecting member 3, and when the fixing member 32 is bent, the fixing member 32 is pressed against the outer edge 21 of the end cap 2 by the bending surface 35.
The embodiment of the invention can prevent the end cover from loosening when the motor heats, improves the quality of products, and has the advantage of convenient disassembly or installation.
The above description is only an example of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A plastic envelope motor, its characterized in that:
comprises a plastic package stator (1), an end cover (2) and a connecting component (3); the plastic package stator (1), the end cover (2) and the connecting component (3) are respectively and independently manufactured three different components; the connecting component (3) is positioned between the end cover (2) and the plastic package stator (1), the connecting component (3) is directly and fixedly connected with the plastic package stator (1) and also is directly and fixedly connected with the end cover (2), and the end cover (2) is fixed on the end face of the plastic package stator (1) through the connecting component (3);
the connecting component (3) is in a circular ring shape, the connecting component (3) is directly and fixedly connected to the end part of the plastic package stator (1), the connecting component (3) is provided with a connecting end face (31), a fixing component (32) is arranged on the connecting end face (31), and the fixing component (32) can press and attach the end cover (2) to the connecting end face (31);
the number of the fixing parts (32) is more than two, and the fixing parts are distributed in a circular array by taking the axis of the connecting part (3) as the center;
When the end cover (2) is abutted against the connecting end face (31) of the connecting part (3), the outer edge (21) of the end cover (2) is in a circular shape coaxial with the connecting part (3) along the radial direction of the connecting part (3), and the outer edge (21) of the end cover (2) is in a circular shape with a diameter smaller than or equal to the diameter of the inner edge of the fixing part (32); by bending the fixing part (32) towards the outer edge (21) of the end cover (2), the fixing part (32) can be pressed against the outer edge (21) of the end cover (2), so that the fixing part (32) can press against the end cover (2) on the connecting end face (31).
2. The electric machine of claim 1, wherein:
The connecting part (3) and the plastic package stator (1) are integrally manufactured and formed in an injection molding mode.
3. The electric machine of claim 2, wherein:
A through hole (33) is formed in the connecting end face (31), and when the connecting part (3) and the plastic package stator (1) are subjected to injection molding, injection molding can fill the through hole (33).
4. A motor as claimed in claim 3, wherein:
The number of the through holes (33) is more than two, and the through holes are distributed in a circular array with the axis of the connecting part (3) as the center.
5. The electric machine of claim 1, wherein:
On the connecting end face (31), along the radial direction of the connecting part (3), a distance exists between the fixing part (32) and the inner hole (34) wall of the connecting part (3), the outer edge (21) of the end cover (2) can be positioned between the fixing part (32) and the inner hole (34) wall, and the fixing part (32) is bent to enable the fixing part (32) to press and attach the outer edge (21) of the end cover (2) on the connecting end face (31).
6. The electric machine of claim 1, wherein:
The outer edge (21) of the end cover (2) is round, the diameter of which is smaller than or equal to that of the inner hole (34) of the connecting part (3), and a bulge (22) extending along the axial direction far away from the end cover (2) is arranged on the outer edge (21) of the end cover (2);
The end cover (2) and the connecting part (3) are coaxially arranged, so that the end cover (2) can be abutted on the connecting end face (31) through the protrusion (22), and the fixing part (32) can be pressed on the outer edge (21) of the end cover (2) so as to press the protrusion (22) on the connecting end face (31).
7. The electric machine of claim 6, wherein:
The number of the protrusions (22) is more than two, the protrusions are distributed in a circular array with the axis of the end cover (2) as the center, the number of the fixing parts (32) is more than two, and the fixing parts (32) are positioned between two adjacent protrusions (22).
8. The electric machine of claim 6, wherein:
the fixing part (32) is provided with a bending surface (35) flush with the wall of the inner hole (34) of the connecting part (3), and after the fixing part (32) is bent, the fixing part (32) is pressed and stuck on the outer edge (21) of the end cover (2) through the bending surface (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126018.4A CN108155741B (en) | 2018-02-08 | 2018-02-08 | Motor with a motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126018.4A CN108155741B (en) | 2018-02-08 | 2018-02-08 | Motor with a motor housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108155741A CN108155741A (en) | 2018-06-12 |
| CN108155741B true CN108155741B (en) | 2024-07-02 |
Family
ID=62457097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810126018.4A Active CN108155741B (en) | 2018-02-08 | 2018-02-08 | Motor with a motor housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108155741B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217533B (en) * | 2018-09-30 | 2020-08-14 | 珠海凯邦电机制造有限公司 | Plastic package stator assembly and plastic package motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013099094A (en) * | 2011-10-31 | 2013-05-20 | Minebea Motor Manufacturing Corp | Brushless motor |
| CN105553161A (en) * | 2016-01-22 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Plastic package motor with anti-loose end cover |
| CN206117368U (en) * | 2016-09-19 | 2017-04-19 | 深圳东明机电股份有限公司 | Front and back end cover is detained and is riveted formula micro motor |
| CN207968135U (en) * | 2018-02-08 | 2018-10-12 | 珠海凯邦电机制造有限公司 | Electric machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5298918B2 (en) * | 2009-02-16 | 2013-09-25 | 株式会社富士通ゼネラル | Mold electric motor |
| CN203883594U (en) * | 2014-05-28 | 2014-10-15 | 中山大洋电机股份有限公司 | Motor end cover and plastic package motor adopting same |
| CN203942366U (en) * | 2014-05-29 | 2014-11-12 | 广东威灵电机制造有限公司 | The package casing of field frame assembly and field frame assembly, plastic packaging motor |
-
2018
- 2018-02-08 CN CN201810126018.4A patent/CN108155741B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013099094A (en) * | 2011-10-31 | 2013-05-20 | Minebea Motor Manufacturing Corp | Brushless motor |
| CN105553161A (en) * | 2016-01-22 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Plastic package motor with anti-loose end cover |
| CN206117368U (en) * | 2016-09-19 | 2017-04-19 | 深圳东明机电股份有限公司 | Front and back end cover is detained and is riveted formula micro motor |
| CN207968135U (en) * | 2018-02-08 | 2018-10-12 | 珠海凯邦电机制造有限公司 | Electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108155741A (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6936917B2 (en) | Electric valve | |
| US9525314B2 (en) | Rotary electric machine | |
| CN101764446B (en) | Motor stator and manufacturing method thereof | |
| JP6002718B2 (en) | Bearing device and motor | |
| US20090096304A1 (en) | Mounting structure for fan motor | |
| JP5845224B2 (en) | Stator having bracket, electric motor having stator, and method of manufacturing electric motor | |
| JP2009194944A (en) | Rotor of motor, motor, and air conditioner | |
| CN108155741B (en) | Motor with a motor housing | |
| KR102069566B1 (en) | Magnet wheel for an electric motor | |
| JP6138083B2 (en) | Electric motor rotor and air conditioner | |
| US20160265151A1 (en) | Washing machine with direct drive motor and method for its manufacture | |
| CN104638820A (en) | Casing and actuator provided with same | |
| US6657355B2 (en) | Plane commutator with metal base plate and carbon compound segments having projections | |
| JP6105527B2 (en) | Bearing device and motor | |
| JP2007062040A (en) | Mold for insert molding | |
| CN105406650A (en) | Electrical Machine With Armature | |
| US4749296A (en) | Platen for typewriters or similar machines | |
| CN207968135U (en) | Electric machine | |
| JP5517943B2 (en) | Method of manufacturing commutator ring for cylindrical commutator of electrical equipment, and electrical equipment | |
| US9097260B2 (en) | Fan bearing retaining structure | |
| CN106410993A (en) | Electric motor assembly and method for manufacturing an electric motor assembly | |
| CN110896254A (en) | Rotor and motor with same | |
| JP2020525738A (en) | Bearing assembly, bearing assembly mounting structure, and blower | |
| CN211314820U (en) | Screw bracket attached to lock | |
| JP2006262615A (en) | Method for manufacturing assembly-type commutator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |