CN215897439U - Mounting structure of upper end cover and stator module - Google Patents
Mounting structure of upper end cover and stator module Download PDFInfo
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- CN215897439U CN215897439U CN202122193925.0U CN202122193925U CN215897439U CN 215897439 U CN215897439 U CN 215897439U CN 202122193925 U CN202122193925 U CN 202122193925U CN 215897439 U CN215897439 U CN 215897439U
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Abstract
The utility model belongs to the technical field of motors, and discloses an upper end cover and a mounting structure of a stator assembly, which comprises the stator assembly and the upper end cover, wherein the stator assembly comprises a stator framework and a stator core arranged on the stator framework, and a first rib is arranged on the stator framework; the upper end cover is provided with and holds the chamber, is provided with annular boss on the inner peripheral surface of upper end cover, and stator module can set up and hold the intracavity, and first rib can butt in annular boss to make stator module and upper end cover interference fit. When installing stator module, place the intracavity that holds of upper end cover earlier stator module, then press stator module along the direction that is close to terminal surface under the upper end cover, deformation takes place for first rib, and first rib and annular boss butt on the stator skeleton to make stator module and upper end cover interference fit. The mounting structure of the upper end cover and the stator assembly provided by the utility model is simple to operate, the mounting efficiency of the motor is improved, and the mounting time of the motor is reduced.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to an installation structure of an upper end cover and a stator assembly.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor includes rotor, stator, PCB board, upper end cover and lower extreme cover, and the rotor can rotate by the relative stator, and upper end cover and lower extreme cover set up relatively and connect through the connecting piece, and upper end cover and lower extreme cover enclose to establish into and hold the chamber for hold stator, rotor and PCB board. The PCB is clamped on the split surfaces of the upper end cover and the lower end cover, the rotor is installed on the stator, and the stator is fixedly arranged on the upper end cover, so that the motor is assembled. Among the prior art, the stator passes through bolted connection with the upper end cover, realizes that stator and upper end cover's connection is fixed, thereby sets up the rubber spare in the upper end cover and compresses tightly the stator, restricts its removal. The stator and the upper end cover are fixed by bolts, corresponding bolt holes are required to be formed in the upper end cover and the stator, the process is complicated, and the assembly time of the motor is prolonged. Adopt the rubber spare to compress tightly the stator in order to reach fixed purpose, increase the material cost of motor, the assembly process is inconvenient moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an installation structure of an upper end cover and a stator assembly, which reduces the installation difficulty of the stator and the upper end cover and improves the assembly efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a mounting structure of an upper end cap and a stator assembly, comprising:
the stator assembly comprises a stator framework and a stator core arranged on the stator framework, and a first rib is arranged on the stator framework;
the stator assembly comprises an upper end cover, wherein the upper end cover is provided with an accommodating cavity, an annular boss is arranged on the inner circumferential surface of the upper end cover, the stator assembly can be arranged in the accommodating cavity, and the first ribs can abut against the annular boss so that the stator assembly and the upper end cover are in interference fit.
Preferably, the stator framework comprises a framework body and a mounting piece connected to the framework body, the stator core is arranged on the mounting piece, and the first ribs are arranged on the framework body.
Preferably, the skeleton body is of an annular structure, the skeleton body comprises an outer peripheral surface and an inner peripheral surface, the mounting piece is arranged on the inner peripheral surface, and the first ribs are arranged on the outer peripheral surface.
Preferably, the first ribs are provided in plurality, and the plurality of first ribs are uniformly distributed along the outer peripheral surface of the framework body.
Preferably, the upper end cover and the mounting structure of the stator assembly further comprise a reinforcing member for increasing the interference fit force between the frame body and the upper end cover.
Preferably, the reinforcement includes a second rib, the second rib is disposed on the outer peripheral surface of the frame body, and the second rib can abut against the annular boss.
Preferably, the mounting structure of the upper end cap and the stator assembly further includes a support member for increasing structural strength of the reinforcement member.
Preferably, the inner wall of the upper end cover is provided with third ribs, and the third ribs are used for increasing the interference fit force between the stator assembly and the upper end cover.
Preferably, the first ribs and the stator frame are integrally formed.
Preferably, a support component is arranged in the accommodating cavity of the upper end cover, and the stator component abuts against the support component.
The utility model has the beneficial effects that:
according to the mounting structure of the upper end cover and the stator assembly, when the stator assembly is mounted, the stator assembly is firstly placed in the accommodating cavity of the upper end cover, then the stator assembly is pressed along the direction close to the lower end face of the upper end cover, the first ribs deform, and the first ribs on the stator framework are abutted to the annular boss, so that the stator assembly and the upper end cover are in interference fit. The mounting structure of the upper end cover and the stator assembly provided by the utility model is simple to operate, the mounting efficiency of the motor is improved, and the mounting time of the motor is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a stator assembly of an electric machine provided by an embodiment of the present invention;
fig. 2 is an exploded view of an installation structure of an upper end cover and a stator assembly provided by an embodiment of the present invention.
In the figure:
1. a stator assembly; 11. a stator frame; 111. a skeleton body; 1111. a first rib; 112. a mounting member; 12. a stator core; 13. a reinforcement; 14. a support member; 15. clamping convex; 16. a support pillar;
2. an upper end cover; 21. an annular boss; 22. a third rib; 23. a support assembly;
3. and (7) a PCB board.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The embodiment provides an installation structure of an upper end cover and a stator assembly, and relates to the technical field of motors, as shown in fig. 1 and fig. 2, the installation structure comprises a stator assembly 1 and an upper end cover 2, wherein the stator assembly 1 comprises a stator framework 11 and a stator core 12 arranged on the stator framework 11, and a first rib 1111 is arranged on the stator framework 11; upper end cover 2 is provided with and holds the chamber, is provided with annular boss 21 on the inner peripheral surface of upper end cover 2, and stator module 1 can set up and hold the intracavity, and first rib 1111 can butt in annular boss 21 to make stator module 1 and upper end cover 2 interference fit.
The upper end cover that this embodiment provided and stator module's mounting structure, when installation stator module 1, earlier place stator module 1 in the intracavity that holds of upper end cover 2, then press stator module 1 along the direction of being close to upper end cover 2's lower terminal surface, deformation takes place for first rib 1111, and first rib 1111 and annular boss 21 butt on the stator skeleton 11 to make stator module 1 and 2 interference fit of upper end cover. The mounting structure of upper end cover and stator module that this embodiment provided, easy operation has improved the installation effectiveness of motor, has reduced the installation time of motor.
Further, as shown in fig. 1, the stator frame 11 includes a frame body 111 and a mounting member 112 connected to the frame body 111, the stator core 12 is disposed on the mounting member 112, and the first ribs 1111 are disposed on the frame body 111. Set up first rib 1111 on skeleton body 111, be convenient for realize the interference fit of stator skeleton 11 and upper end cover 2, set up installed part 112 on skeleton body 111, be convenient for install stator core 12 to stator core 12 and stator skeleton 11's connection has been realized. More specifically, the frame body 111 and the mounting member 112 are integrally formed, and the frame body 111 and the mounting member 112 are integrally formed through an injection molding process, so that the number of machining of a single part is reduced.
Specifically, as shown in fig. 1, the frame body 111 is an annular structure, the frame body 111 includes an outer circumferential surface and an inner circumferential surface, the mounting member 112 is disposed on the inner circumferential surface, and the first ribs 1111 are disposed on the outer circumferential surface. The present embodiment is provided with a plurality of mounting pieces 112 along the inner peripheral surface of the bobbin body 111, the plurality of mounting pieces 112 are evenly distributed, and the stator core 12 is provided on each of the plurality of mounting pieces 112. More specifically, four mounts 112 are provided. With first rib 1111 setting on the periphery, place stator module 1 in the chamber that holds of upper end cover 2, annular boss 21 contact on the outer peripheral face of skeleton body 111 and the 2 inner peripheral faces of upper end cover presses stator module 1 along the direction of being close to the lower terminal surface of upper end cover 2, makes first rib 1111 and the annular boss 21 butt on the skeleton body 111, and deformation takes place for first rib 1111 to realize stator module 1 and 2 interference fit of upper end cover.
Specifically, the first ribs 1111 are provided in plurality, and the plurality of first ribs 1111 are uniformly distributed along the outer circumferential surface of the bobbin body 111, so that the interference fit force between the outer circumferential surface of the stator assembly 1 and the inner circumferential surface of the upper end cap 2 is uniformly distributed.
Specifically, first rib 1111 and stator skeleton 11 integrated into one piece set up, when utilizing processing equipment processing stator skeleton 11, at the first rib 1111 of outer peripheral face integrated into one piece of skeleton body 111, reduced the operation step of processing first rib 1111. And integrated into one piece machine-shaping has improved the stability of being connected of first rib 1111 and stator skeleton 11.
Further, as shown in fig. 1, the mounting structure of the upper end cover and the stator assembly further includes a reinforcement 13, the reinforcement 13 is used for increasing the interference fit force between the framework body 111 and the upper end cover 2, the reinforcement 13 is arranged to further enhance the interference fit force between the framework body 111 and the upper end cover 2, and the stator assembly 1 is prevented from moving or shaking.
Specifically, the reinforcement 13 includes a second rib provided on the outer peripheral surface of the frame body 111, and the second rib can abut against the annular boss 21. Second rib and first rib 1111 along vertical direction interval distribution, increase and set up the second rib, press skeleton body 111 downwards the in-process, the second rib also can butt in annular boss 21 to increase the interference fit power between skeleton body 111 and the upper end cover 2.
Further, as shown in fig. 1, the mounting structure of the upper end cover and the stator assembly further includes a support member 14, and the support member 14 serves to increase the structural strength of the reinforcement member 13. Be provided with support piece 14 at skeleton body 111's up end, the outer peripheral face of skeleton body 111 extends along vertical direction, and support piece 14's effort can directly act on skeleton body 111's outer peripheral face, sets up support piece 14 in the position that corresponds the second rib on the outer peripheral face, makes support piece 14 play the effect of increasing structural strength to the second rib. Also, the support member 14 can also function to support the outer peripheral surface of the bobbin body 111.
Further, as shown in fig. 1 and 2, one of the stator frame 11 and the PCB 3 is provided with a locking protrusion 15, and the other is provided with a locking groove, and the locking protrusion 15 is locked in the locking groove. In this embodiment, be provided with card protruding 15 on stator skeleton 11, correspond card protruding 15 and be provided with the draw-in groove on PCB board 3, place PCB board 3 in stator module 1 one side of keeping away from the lower terminal surface of upper end cover 2, make card protruding 15 joint in the draw-in groove to realize PCB board 3 and stator module 1's connection.
Specifically, as shown in fig. 1, a support pillar 16 is disposed on the stator frame 11, the support pillar 16 abuts against an end surface of the PCB 3, and the support pillar 16 plays a role of supporting the PCB 3.
It should be noted that, in the present embodiment, the framework body 111, the first rib 1111, the mounting member 112, the reinforcing member 13, the supporting member 14, the snap 15, and the supporting post 16 are integrally formed.
Further, as shown in fig. 1 and 2, the inner wall of the upper end cap 2 is provided with third ribs 22, and the third ribs 22 are used for increasing the interference fit force between the stator assembly 1 and the upper end cap 2. Set up third rib 22 on the inner wall of upper end cover 2, when extrudeing stator module 1 downwards, third rib 22 can butt in the outer peripheral face of skeleton body 111 to the interference fit power between stator module 1 and upper end cover 2 has been increased.
Further, as shown in fig. 1 and 2, a support assembly 23 is disposed in the accommodating cavity of the upper end cap 2, and the stator assembly 1 abuts against the support assembly 23. The supporting component 23 is arranged on the lower end face of the upper end cover 2, and when the stator component 1 is placed in the accommodating cavity, the supporting component 23 abuts against the end face of the stator framework 11, so that the stator component 1 is supported.
In the description of the present embodiments, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In this embodiment, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A mounting structure of an upper end cap and a stator assembly, comprising:
the stator assembly (1) comprises a stator framework (11) and a stator core (12) arranged on the stator framework (11), wherein a first rib (1111) is arranged on the stator framework (11);
the stator assembly comprises an upper end cover (2), the upper end cover (2) is provided with an accommodating cavity, an annular boss (21) is arranged on the inner circumferential surface of the upper end cover (2), the stator assembly (1) can be arranged in the accommodating cavity, and the first ribs (1111) can abut against the annular boss (21) so that the stator assembly (1) and the upper end cover (2) are in interference fit.
2. The upper end cap and stator assembly mounting structure according to claim 1, wherein the stator bobbin (11) includes a bobbin body (111) and a mounting piece (112) connected to the bobbin body (111), the stator core (12) is provided on the mounting piece (112), and the first ribs (1111) are provided on the bobbin body (111).
3. The upper end cap and stator assembly mounting structure of claim 2, wherein the bobbin body (111) is a ring-shaped structure, the bobbin body (111) includes an outer circumferential surface and an inner circumferential surface, the mounting member (112) is provided on the inner circumferential surface, and the first ribs (1111) are provided on the outer circumferential surface.
4. The upper end cap and stator assembly mounting structure according to claim 3, wherein the first ribs (1111) are provided in plurality, and the first ribs (1111) are uniformly distributed along the outer circumferential surface of the bobbin body (111).
5. The upper end cap and stator assembly mounting structure according to claim 3, further comprising a reinforcement (13), wherein the reinforcement (13) is used for increasing the interference fit force between the bobbin body (111) and the upper end cap (2).
6. The upper end cap and stator assembly mounting structure according to claim 5, wherein the reinforcement (13) includes a second rib provided on the outer peripheral surface of the bobbin body (111), the second rib being capable of abutting against the annular boss (21).
7. The upper end cap and stator assembly mounting structure as claimed in claim 6, further comprising a support member (14), the support member (14) for increasing the structural strength of the reinforcement member (13).
8. The upper end cover and stator assembly mounting structure according to claim 1, wherein a third rib (22) is provided on an inner wall of the upper end cover (2), and the third rib (22) is used for increasing an interference fit force between the stator assembly (1) and the upper end cover (2).
9. The upper end cap and stator assembly mounting structure according to claim 1, wherein the first ribs (1111) and the stator frame (11) are integrally formed.
10. The mounting structure of the upper end cover and the stator assembly according to claim 1, wherein a support assembly (23) is disposed in the accommodating cavity of the upper end cover (2), and the stator assembly (1) abuts against the support assembly (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122193925.0U CN215897439U (en) | 2021-09-10 | 2021-09-10 | Mounting structure of upper end cover and stator module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122193925.0U CN215897439U (en) | 2021-09-10 | 2021-09-10 | Mounting structure of upper end cover and stator module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215897439U true CN215897439U (en) | 2022-02-22 |
Family
ID=80337672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122193925.0U Active CN215897439U (en) | 2021-09-10 | 2021-09-10 | Mounting structure of upper end cover and stator module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215897439U (en) |
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2021
- 2021-09-10 CN CN202122193925.0U patent/CN215897439U/en active Active
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