CN108448761B - Motor with a motor housing - Google Patents
Motor with a motor housingInfo
- Publication number
- CN108448761B CN108448761B CN201810495440.7A CN201810495440A CN108448761B CN 108448761 B CN108448761 B CN 108448761B CN 201810495440 A CN201810495440 A CN 201810495440A CN 108448761 B CN108448761 B CN 108448761B
- Authority
- CN
- China
- Prior art keywords
- groove
- end cover
- stator assembly
- arm
- protruding structure
- 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
- 230000013011 mating Effects 0.000 claims description 33
- 239000011324 bead Substances 0.000 claims 2
- 238000005336 cracking Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Abstract
The invention provides a motor. The motor comprises a stator assembly and an end cover, wherein the stator assembly is provided with a first matching part, the end cover is provided with a plurality of second matching parts, the second matching parts are distributed on the end face of the end cover, which faces the stator assembly, at intervals, and the first matching parts and the second matching parts can be assembled and connected, so that the stator assembly and the end cover are connected into a whole. According to the motor, the plastic package stator can be effectively prevented from cracking when the end cover is assembled with the motor stator assembly, and the assembly efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of motor manufacturing, and particularly relates to a motor.
Background
With the guidance of government energy saving policies and market development demands, direct fluidization of household appliance fans gradually becomes a trend, and the axial magnetic field motor is gradually popularized and applied at present with the performance advantages.
The end cover of the traditional radial plastic package motor is matched with the plastic package stator assembly by means of interference, so that the motor can slide axially and move radially after being matched; the processing technology is difficult, and the problems of small drawing force, cracking of a plastic package stator assembly and the like can occur in the production process; because of the matching mode, the motor can be damaged to a certain extent when being reworked; the axial magnetic field motor solves the problem that the traditional motor is difficult to install.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide the motor, which can effectively prevent the plastic package stator from cracking when the end cover and the motor stator assembly are assembled, and the assembly efficiency is improved.
In order to solve the above problems, the present invention provides a motor, which includes a stator assembly and an end cover, wherein the stator assembly has a first mating portion, the end cover has a second mating portion, the second mating portion is distributed on an end surface of the end cover facing the stator assembly at intervals, and the first mating portion and the second mating portion can be assembled and connected to make the stator assembly and the end cover connected into a whole.
Preferably, the first mating portions are spaced apart on an end face of the stator assembly facing the end cap.
Preferably, the first mating portion and the second mating portion are connected by a buckle.
Preferably, the first matching part comprises a first groove, the first groove extends along the axial direction of the stator assembly, a second groove is further arranged on the groove wall of the first groove, and the second groove extends along the radial direction of the stator assembly; the second matching part comprises a first extending arm, the first extending arm extends along the axial direction of the end cover, the extending tail end of the first extending arm is provided with a protruding structure, and the protruding structure can be embedded in the second groove.
Preferably, the protrusion structure includes a first hook, and a hook body of the first hook extends toward an inner side of the end cover.
Preferably, the protruding structure includes a rib extending in the extending direction of the first extending arm.
Preferably, an anti-slip raised line is arranged on the inner side of the first extending arm, and the anti-slip raised line extends along the circumferential direction of the end cover.
Preferably, the protruding structure further has a notch, and the notch divides the protruding structure into a first fastening portion and a second fastening portion.
Preferably, the first projecting arm is further provided with a first hole, and the first hole extends along the radial direction of the end cover.
Preferably, the end cover comprises a cover plate body, wherein the connection part between two sides of the first extending arm along the circumferential direction of the cover plate body and the cover plate body is an inclined plane, and the inclined plane extends from the first extending arm to the cover plate body; the first groove has a V-shaped section to mate with the bevel.
Preferably, the first matching part comprises a flange, the flange extends towards one side of the end cover, a second clamping hook is arranged at the extending end of the flange, the second matching part comprises a first extending arm, a second hole is formed in the first extending arm, the second hole extends along the radial direction of the end cover, and the second clamping hook can be embedded in the second hole.
According to the motor provided by the invention, the second matching parts are distributed on the end face of the end cover facing the stator assembly at intervals, namely, the second matching parts are distributed relatively independently, when the stator assembly and the end cover are assembled, the second matching parts can be connected with the first matching parts independently, so that stress concentration caused by matching between the first matching parts and the second matching parts in the connecting process is effectively prevented, and even if deformation stress of the first matching parts and/or the second matching parts in the assembling process is relatively dispersed, the phenomena of cracking, breakage and the like of a plastic package stator caused by the deformation stress concentration are not generated in the assembling process of the end cover and the stator assembly any more due to the relative dispersion of the deformation stress.
Drawings
Fig. 1 is a schematic perspective view of a motor according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the motor of FIG. 1;
FIG. 3 is a schematic diagram illustrating assembly of a stator assembly and an end cover of an electric machine according to an embodiment of the present invention;
FIG. 4 is a schematic view of a partial structure of an end cap of an electric motor according to another embodiment of the present invention;
FIG. 5 is a schematic view of a portion of a stator assembly of an electric machine according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of an assembly and structure of a motor according to yet another embodiment of the present invention;
FIG. 7 is a schematic view of a part of an end cap of an electric motor according to yet another embodiment of the invention;
Fig. 8 is a schematic structural view of a motor according to still another embodiment of the present invention.
The reference numerals are expressed as:
1. a stator assembly; 111. a first groove; 112. a flange; 113. a second hook; 2. an end cap; 211. a first projecting arm; 212. a first hook; 213. an anti-slip raised line; 214. a notch; 215. a first fastening part; 216. a second fastening part; 217. a first hole; 218. a second hole; 219. a rib; 22. and a cover plate body.
Detailed Description
Referring to fig. 1 to 8 in combination, according to an embodiment of the present invention, there is provided an electric motor including a stator assembly 1 and an end cover 2, the stator assembly 1 having a first mating portion, the end cover 2 having a plurality of second mating portions which are spaced apart on an end surface of the end cover 2 facing the stator assembly 1, the first mating portion and the second mating portion being capable of being assembled and connected to connect the stator assembly 1 and the end cover 2 as one body. In this technical scheme, the second mating parts are distributed on the end face of the end cover 2 facing the stator assembly 1 at intervals, that is, the second mating parts are distributed relatively independently, when the stator assembly 1 and the end cover 2 are assembled, the second mating parts can be connected with the first mating parts independently, which effectively prevents stress concentration generated when the first mating parts and the second mating parts are mated in the connecting process, that is, even if deformation stress of the first mating parts and/or the second mating parts in the assembling process is relatively dispersed, the phenomena of cracking, breakage and the like of a plastic package stator due to the deformation stress concentration no longer occur in the assembling process of the end cover 2 and the stator assembly 1, in addition, the second mating parts are distributed at intervals, so that the mating area of the first mating parts and the second mating parts is reduced, that is, the resistance of the end cover 2 and the stator assembly 1 in the assembling process is effectively reduced, the assembling difficulty is improved, and the assembling efficiency is improved.
As a preferred mode, the first matching parts are distributed on the end face of the stator assembly 1 facing the end cover 2 at intervals, and the first matching parts are distributed at intervals at the moment, so that the material cost of the stator assembly 1 can be obviously reduced.
In order to simplify the manufacturing process of the motor and reduce the manufacturing cost, the first matching portion and the second matching portion may be implemented in various specific manners, and preferably, the first matching portion and the second matching portion are connected through a buckle.
Specifically, for example, as a preferred embodiment of the structural design of the first mating portion, the first mating portion includes a first groove 111, the first groove 111 extends along the axial direction of the stator assembly 1, and a second groove is further formed on a groove wall of the first groove 111, and the second groove extends along the radial direction of the stator assembly 1; the second matching part comprises a first extending arm 211, the first extending arm 211 extends along the axial direction of the end cover 2, the extending end of the first extending arm 211 is provided with a protruding structure, the protruding structure can be embedded in the second groove, the connection of the first matching part and the second matching part in the technical scheme is relatively simple and easy, and the connection has higher connection reliability through the embedding mode.
The protruding structure may also be in various manners, preferably, the protruding structure includes a first hook 212, a hook body of the first hook 212 extends toward the inner side of the end cover 2, or the protruding structure includes ribs 219, the ribs 219 extend along the extending direction of the first extending arm 211, and the ribs 219 may be disposed in parallel with each other, so as to improve the reliability of the embedded connection, and, of course, in order to further improve the anti-slip performance of the ribs 219, preferably, the surface of the second mating portion mated with the second mating portion is correspondingly disposed with corresponding ribs 219, so that the ribs 219 on two sides are fastened with each other after installation. In the technical scheme, the protruding structure is realized by using the first clamping hooks 212 or the ribs 219, so that the method is simple and easy to implement.
In order to prevent the first engaging portion from being separated from the second engaging portion after assembly, it is preferable that an anti-slip protrusion 213 is provided on the inner side of the first protruding arm 211, and the anti-slip protrusion 213 extends along the circumferential direction of the end cap 2.
Preferably, the protrusion structure further has a notch 214, the notch 214 divides the protrusion structure into a first fastening portion 215 and a second fastening portion 216, and further, at this time, the width of the protrusion structure in the circumferential direction of the end cover 2 may be greater than the width of the slot entrance of the first groove 111, when the protrusion structure is specifically assembled, the first fastening portion 215 and the second fastening portion 216 will all face the notch 214 under the action of the slot entrance of the first groove to undergo micro deformation, and after the first fastening portion 215 and the second fastening portion 216 are embedded into the first groove 111, the original positions will be restored, so that the connection is more reliable and the anti-disengagement effect is better.
In order to further prevent stress concentration of the first projecting arm 211 during the assembly process, preferably, a first hole 217 is provided in the first projecting arm 211, the first hole 217 extends along the radial direction of the end cover 2, a plurality of first holes 217 may be provided, and the arrangement of the first holes 217 can also reduce the structural strength of the first projecting arm 211, so that the first matching portion and the second matching portion are easier to deform during the assembly, which reduces the assembly difficulty and improves the assembly efficiency.
Preferably, the end cover 2 includes a cover body 22, where the connection between two sides of the first protruding arm 211 along the circumferential direction of the cover body 22 and the cover body 22 is an inclined plane, and the inclined plane extends from the first protruding arm 211 to the cover body 22; the first groove 111 has a V-shaped section to match with the inclined plane, that is, the first protruding arm 211 and the first groove 111 form a V-shaped structure on the end surface, and the V-shaped structure can guide the assembly process of the first protruding arm 211 and the first groove 111, so as to further improve the assembly efficiency.
Of course, as another specific embodiment of the first mating portion and the second mating portion, preferably, the first mating portion includes a flange 112, the flange 112 extends toward one side of the end cover 2, a second hook 113 is disposed at an extending end of the flange 112, the second mating portion includes a first extending arm 211, a second hole 218 is disposed on the first extending arm 211, the second hole 218 extends along a radial direction of the end cover 2, and the second hook 113 can be embedded in the second hole 218.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
1. The motor is characterized by comprising a stator assembly (1) and an end cover (2), wherein the stator assembly (1) is provided with a first matching part, the end cover (2) is provided with a plurality of second matching parts, the second matching parts are distributed on the end face of the end cover (2) facing the stator assembly (1) at intervals, and the first matching parts and the second matching parts can be assembled and connected so as to enable the stator assembly (1) and the end cover (2) to be connected into a whole; the first matching part is connected with the second matching part through a buckle; the first matching part comprises a first groove (111), the first groove (111) extends along the axial direction of the stator assembly (1), a second groove is formed in the groove wall of the first groove (111), and the second groove extends along the radial direction of the stator assembly (1); the second matching part comprises a first protruding arm (211), the first protruding arm (211) extends along the axial direction of the end cover (2), the protruding tail end of the first protruding arm (211) is provided with a protruding structure, and the protruding structure can be embedded in the second groove; the protruding structure is further provided with a notch (214), the notch (214) divides the protruding structure into a first buckling part (215) and a second buckling part (216), the width of the protruding structure in the circumferential direction of the end cover (2) is larger than the width of a groove inlet of the first groove (111), the notch (214) is positioned in the middle area of the width of the protruding structure, and the opening of the notch (214) faces to one side of the groove bottom wall of the first groove (111); the first extending arm (211) is further provided with a first hole (217), the first hole (217) extends along the radial direction of the end cover (2), the first hole (217) is provided with a plurality of holes, and the plurality of first holes (217) are positioned on one side, far away from the bottom wall of the first groove (111), of the notch (214).
2. An electric machine according to claim 1, characterized in that the first mating portions are distributed at intervals on the end face of the stator assembly (1) facing the end cap (2).
3. The electric machine according to claim 1, characterized in that the protruding structure comprises a first hook (212), the hook body of the first hook (212) extending towards the inside of the end cap (2).
4. The electric machine according to claim 1, characterized in that the protruding structure comprises ribs (219), which ribs (219) extend in the direction of extension of the first extension arm (211).
5. The electric machine according to claim 1, characterized in that the inner side of the first projecting arm (211) is provided with a non-slip bead (213), the non-slip bead (213) extending in the circumferential direction of the end cap (2).
6. The motor according to claim 1, wherein the end cover (2) includes a cover plate body (22), and the connection between both sides of the first projecting arm (211) along the circumferential direction of the cover plate body (22) and the cover plate body (22) is an inclined plane, and the inclined plane extends from the first projecting arm (211) to the cover plate body (22); the first groove (111) has a V-shaped section to match the inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495440.7A CN108448761B (en) | 2018-05-22 | Motor with a motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495440.7A CN108448761B (en) | 2018-05-22 | Motor with a motor housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108448761A CN108448761A (en) | 2018-08-24 |
| CN108448761B true CN108448761B (en) | 2024-07-09 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201947091U (en) * | 2010-12-04 | 2011-08-24 | 中山大洋电机股份有限公司 | Plastic package motor |
| CN208158255U (en) * | 2018-05-22 | 2018-11-27 | 珠海凯邦电机制造有限公司 | Motor |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201947091U (en) * | 2010-12-04 | 2011-08-24 | 中山大洋电机股份有限公司 | Plastic package motor |
| CN208158255U (en) * | 2018-05-22 | 2018-11-27 | 珠海凯邦电机制造有限公司 | Motor |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |