CN220066999U - Stator and motor - Google Patents
Stator and motor Download PDFInfo
- Publication number
- CN220066999U CN220066999U CN202321553630.2U CN202321553630U CN220066999U CN 220066999 U CN220066999 U CN 220066999U CN 202321553630 U CN202321553630 U CN 202321553630U CN 220066999 U CN220066999 U CN 220066999U
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- Prior art keywords
- stator
- mounting hole
- utility
- model
- insulating
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- 238000004891 communication Methods 0.000 claims description 23
- 239000012212 insulator Substances 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000005336 cracking Methods 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model discloses a stator and a motor, wherein the stator comprises: the stator body has the mounting hole that is used for installing the coil, and the axial direction of stator body is followed to the mounting hole extension, and the insulating part is located the internal surface of mounting hole and is fixed with the stator body. Therefore, the insulating piece is arranged on the inner surface of the mounting hole and fixed with the stator main body, so that the fitting degree of the insulating piece and the inner surface of the mounting hole can be improved, the insulating piece is prevented from moving and cracking, and the insulating performance of the insulating piece to the stator is improved.
Description
Technical Field
The utility model relates to the technical field of stators, in particular to a stator and a motor.
Background
At present, insulation paper is inserted between the stator and the coil (copper wire), but the insulation paper is not tightly attached to the stator, and the stator is easy to move and break in the use process, so that the insulation performance is reduced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, a first object of the present utility model is to provide a stator, in which an insulating member is disposed on an inner surface of a mounting hole and is fixed to a stator body, so that a degree of adhesion between the insulating member and the inner surface of the mounting hole can be improved, and the insulating member is prevented from moving and cracking, which is beneficial to improving insulation performance of the insulating member to the stator.
A second object of the utility model is to propose an electric machine.
To achieve the above object, a first aspect of the present utility model provides a stator, including:
a stator body having a mounting hole for mounting the coil, the mounting hole extending in an axial direction of the stator body;
the insulating piece is arranged on the inner surface of the mounting hole and is fixed with the stator main body.
According to the stator provided by the embodiment of the utility model, the insulating piece is arranged on the inner surface of the mounting hole and is fixed with the stator main body, so that the fitting degree of the insulating piece and the inner surface of the mounting hole can be improved, the insulating piece is prevented from moving and cracking, and the insulating performance of the insulating piece on the stator is improved.
In some examples of the utility model, the insulator is an injection molded part.
In some examples of the utility model, the inside surface of the mounting hole has a groove recessed toward the stator body, and a portion of the insulator is located in the groove.
In some examples of the utility model, the mounting hole has opposing first and second inner side walls, the first and/or second inner side walls having a groove.
In some examples of the utility model, the first inner sidewall and the second inner sidewall each have a plurality of grooves, and the plurality of grooves of the first inner sidewall and the plurality of grooves of the second inner sidewall are in one-to-one correspondence.
In some examples of the utility model, the grooves are semi-circular in cross-section.
In some examples of the utility model, the stator body further has a relief hole and a communication hole that communicates the mounting hole and the relief hole, and a portion of the insulating member is located in the communication hole to seal the communication hole.
In some examples of the utility model, the stator body further has a first end face and a second end face opposite in an axial direction of the stator body, the first end face and/or the second end face being provided with an insulator.
In some examples of the present utility model, the plurality of mounting holes are a plurality of, the plurality of mounting holes being sequentially spaced apart in the circumferential direction of the stator body.
To achieve the above object, a second novel embodiment of the present utility model provides an electric machine, including the stator in the first embodiment.
According to the motor provided by the embodiment of the utility model, the stator is arranged, and the insulating piece is arranged on the inner surface of the mounting hole and is fixed with the stator main body, so that the fitting degree of the insulating piece and the inner surface of the mounting hole can be improved, the insulating piece is prevented from moving and cracking, and the insulating performance of the insulating piece to the stator is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a perspective view of a stator according to an embodiment of the present utility model;
fig. 2 is a front view of a stator according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2;
FIG. 4 is a partial enlarged view at B in FIG. 3;
FIG. 5 is a top view of a stator according to one embodiment of the utility model;
FIG. 6 is a cross-sectional view taken along line C-C in FIG. 5;
FIG. 7 is a cross-sectional view taken along D-D in FIG. 5;
fig. 8 is a partial enlarged view at E in fig. 7.
Reference numerals:
a stator 100;
a stator body 1; a mounting hole 11; a groove 111; a first inner sidewall 112; a second inner side wall 113; a relief hole 12; a communication hole 13; a first end face 14; a second end face 15;
an insulator 2.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
A stator 100 and a motor according to an embodiment of the present utility model are described below with reference to the accompanying drawings.
As shown in fig. 1 to 8, a stator 100 according to an embodiment of the first aspect of the present utility model includes: the stator includes a stator body 1 having a mounting hole 11 for mounting a coil, and an insulator 2, the mounting hole 11 extending in an axial direction of the stator body 1, the insulator 2 being provided on an inner surface of the mounting hole 11 and fixed to the stator body 1.
Specifically, as shown in fig. 1 to 5, the stator body 1 has a mounting hole 11 for mounting the coil, further, as shown in fig. 6, the mounting hole 11 extends in the axial direction of the stator body 1, that is, the mounting hole 11 penetrates the stator body 1 in the axial direction of the stator body 1, the insulator 2 is provided on the inner surface of the mounting hole 11 and is fixed to the stator body 1, optionally, the insulator 2 may be selected from but not limited to plastic, resin, etc., further, the insulator 2 may be fixed to the inner surface of the mounting hole 11 by spraying or injection molding, etc. By the arrangement, the bonding degree of the insulating piece 2 and the inner surface of the mounting hole 11 can be improved, so that the insulating piece 2 is bonded with the stator 100 more tightly, breakage of the insulating piece 2 caused by back and forth friction movement of the insulating piece 2 and the inner surface of the mounting hole 11 when a coil (copper wire) is inserted into the mounting hole 11 is avoided, and the insulating performance of the insulating piece 2 to the stator 100 is improved.
According to the stator 100 of the embodiment of the utility model, the insulating member 2 is arranged on the inner surface of the mounting hole 11 and is fixed with the stator main body 1, so that the fitting degree of the insulating member 2 and the inner surface of the mounting hole 11 can be improved, the insulating member 2 is prevented from moving and cracking, and the insulating performance of the insulating member 2 to the stator 100 is improved.
In some embodiments of the utility model, the insulator 2 is an injection molded part. That is, the insulating member 2 may be provided as an injection molding member to injection mold the insulating member 2 to the inner surface of the mounting hole 11 by injection molding, specifically, the insulating member 2 is made of plastic, the plastic is melted before injection molding the insulating member 2 to the mounting hole 11, and is extruded to the inner surface of the mounting hole 11 by extrusion injection molding, after the plastic is cooled, the insulating member 2 of the plastic product is completely adhered to the inner surface of the mounting hole 11, so that the degree of adhesion between the insulating member 2 and the stator body 1 is greatly improved, the insulating performance of the insulating member 2 to the stator 100 is improved, and meanwhile, the internal stress of the stator body 1 can be eliminated when the mounting hole 11 is heated for injection molding, and the strength of the stator body 1 is improved.
In some embodiments of the present utility model, as shown in fig. 3 and 4, the inner side surface of the mounting hole 11 has a groove 111 recessed toward the stator body 1, and a portion of the insulator 2 is located in the groove 111.
Specifically, as shown in fig. 4, the inner side surface of the mounting hole 11 is provided with a groove 111, when the insulating member 2 is fixed on the inner surface of the mounting hole 11, it is ensured that a part of the insulating member 2 is located in the groove 111, that is, a part of the insulating member 2 may be located in the groove 111, further, as a specific example, taking the insulating member 2 as an injection molding member for explanation, when the insulating member 2 of a plastic product is injected into the mounting hole 11, a part of injection molding plastic flows into the groove 111, and when the plastic is cooled, a part of the insulating member 2 is located in the groove 111, so that the contact area between the insulating member 2 and the inner surface of the mounting hole 11 can be increased, thereby increasing the friction force between the insulating member 2 and the inner surface of the mounting hole 11, further avoiding play between the two, and being beneficial to increasing the insulating performance of the insulating member 2 to the stator 100.
In some embodiments of the present utility model, as shown in fig. 4, the mounting hole 11 has opposite first 112 and second 113 inner side walls, the first 112 and/or second 113 inner side walls having a groove 111.
Specifically, as shown in fig. 4, the mounting hole 11 has a first inner side wall 112 and a second inner side wall 113, the first inner side wall 112 and the second inner side wall 113 are disposed opposite to each other, and the first inner side wall 112 and/or the second inner side wall 113 has a groove 111, that is, the groove 111 may be disposed only on the first inner side wall 112, or the groove 111 may be disposed only on the second inner side wall 113, or the groove 111 may be disposed on the first inner side wall 112 and the second inner side wall 113, further, as a specific example, the utility model is described taking the groove 111 disposed on both the first inner side wall 112 and the second inner side wall 113 as an example, and continuing to refer to fig. 4, the groove 111 is disposed on both the first inner side wall 112 and the second inner side wall 113, when the insulating member 2 of the plastic product is injection molded into the mounting hole 11, so that the plastic is filled into the groove 111 on the first inner side wall 112 and the second inner side wall 113, and thus disposed can increase the contact area between the insulating member 2 and the inner surface of the mounting hole 11, thereby being beneficial to increasing the friction force between the insulating member 2 and the inner surface of the mounting hole 11, and further avoiding occurrence of play between the two, and further beneficial to improving the insulating performance of the insulating member 2 against the stator 100.
In some embodiments of the present utility model, as shown in fig. 4, each of the first inner sidewall 112 and the second inner sidewall 113 has a plurality of grooves 111, and the plurality of grooves 111 of the first inner sidewall 112 and the plurality of grooves 111 of the second inner sidewall 113 correspond one-to-one.
Specifically, a plurality of grooves 111 may be provided on the first inner sidewall 112 and the second inner sidewall 113 to increase the number of grooves 111, further, as a specific example, as shown in fig. 4, the first inner sidewall 112 and the second inner sidewall 113 are each provided with two grooves 111, so that by providing a plurality of grooves 111, the contact area between the insulator 2 and the inner surface of the mounting hole 11 can be further increased, thereby further increasing the friction force between the insulator 2 and the inner surface of the mounting hole 11, and being beneficial to improving the insulation performance of the insulator 2 on the stator 100; meanwhile, the grooves 111 of the first inner sidewall 112 and the grooves 111 of the second inner sidewall 113 are guaranteed to be in one-to-one correspondence, for example, as shown in fig. 4, the grooves 111 of the first inner sidewall 112 and the grooves 111 of the second inner sidewall 113 are guaranteed to be in one-to-one correspondence, so that machining of the grooves 111 is facilitated, and meanwhile, consistency of stress directions between the insulating member 2 and the inner surface of the mounting hole 11 can be guaranteed.
In some embodiments of the utility model, as shown in FIG. 4, the cross-section of the groove 111 is semi-circular in configuration. Specifically, the cross-sectional shape of the groove 111 may be configured in a semicircular shape, so that the groove 111 is not only convenient to process, but also the insulating member 2 is better attached to the groove 111, which is beneficial to improving the attaching degree of the insulating member 2 and the groove 111. It should be noted that the cross section of the groove 111 may be configured in other shapes, such as a rectangle, a trapezoid, etc., which is not particularly limited herein.
In some embodiments of the present utility model, as shown in fig. 3 to 8, the stator body 1 further has a relief hole 12 and a communication hole 13, the communication hole 13 communicating the mounting hole 11 and the relief hole 12, and a portion of the insulator 2 is located at the communication hole 13 to seal the communication hole 13.
Specifically, referring to fig. 3 and 4, the stator main body 1 further has a relief hole 12 and a communication hole 13, the communication hole 13 communicates with the mounting hole 11 and the relief hole 12, specifically, when the stator 100 is mounted in cooperation with the coil, the winding wire of the coil is mounted in the mounting hole 11 through the communication hole 13, and the communication hole 13 is sealed by using the insulating member 2, optionally, a part of the insulating member 2 may be located in the communication hole 13 to seal the communication hole 13, or the insulating member 2 may be completely located in the communication hole 13 to seal the communication hole 13, further, as a specific example, taking the insulating member 2 as an injection molding member to illustrate an example, when the insulating member 2 of a plastic product is injected into the mounting hole 11, the plastic part is filled or completely filled in the communication hole 13, and after the plastic is cooled, a part of the insulating member 2 or all of the insulating member 2 is located in the communication hole 13, so that not only sealing the communication hole 13 is realized, but also insulating performance of the stator 100 is further improved by insulating the insulating member 2.
In some embodiments of the present utility model, as shown in fig. 2 and 7, the stator body 1 further has a first end face 14 and a second end face 15 that are opposite in the axial direction of the stator body 1, and the first end face 14 and/or the second end face 15 is provided with the insulator 2.
Specifically, along the axial direction of the stator body 1, the stator body 1 further has a first end face 14 and a second end face 15 opposite to each other, the first end face 14 and/or the second end face 15 are provided with the insulating member 2, that is, the insulating member 2 may be provided only on the first end face 14 and the insulating member 2 may be provided only on the second end face 15, and the insulating member 2 may be provided on both the first end face 14 and the second end face 15 at the same time, further, as a specific example, the present utility model is described by taking the insulating member 2 as an injection molding member as an example, before the insulating member 2 is injection molded on the first end face 14 and the second end face 15, the plastic is melted, and is extruded to the first end face 14 and the second end face 15 by extrusion injection molding, after the plastic is cooled, the insulating member 2 of the plastic product is completely adhered on the first end face 14 and the second end face 15, and thus the insulating member 2 of the plastic product is completely adhered to the first end face 14 and the second end face 15, which can further eliminate the internal stress of the stator body 1, further improve the strength of the stator body 1 and further improve the insulating performance 100, and further improve the insulating performance of the stator body 100.
In some embodiments of the present utility model, as shown in fig. 1, the mounting holes 11 are plural, and the plural mounting holes 11 are sequentially arranged at intervals in the circumferential direction of the stator body 1. That is, the stator body 1 is provided with a plurality of mounting holes 11, the number of the mounting holes 11 being set according to specific needs, not particularly limited herein, and the plurality of mounting holes 11 being sequentially arranged at intervals in the circumferential direction of the stator body 1, so that a rotating magnetic field can be generated by the cooperative use of the stator 100 and the rotor.
An electric machine according to an embodiment of the second aspect of the utility model comprises a stator 100 as in the embodiment of the first aspect.
According to the motor provided by the embodiment of the utility model, the stator 100 is arranged, and the insulating part 2 is arranged on the inner surface of the mounting hole 11 and is fixed with the stator main body 1, so that the fitting degree of the insulating part 2 and the inner surface of the mounting hole 11 can be improved, the insulating part 2 is prevented from moving and cracking, and the insulating performance of the insulating part 2 on the stator 100 is improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A stator, comprising:
a stator body having a mounting hole for mounting a coil, the mounting hole extending in an axial direction of the stator body;
and the insulating piece is arranged on the inner surface of the mounting hole and is fixed with the stator main body.
2. The stator of claim 1, wherein the insulator is an injection molded part.
3. The stator of claim 1, wherein an inside surface of the mounting hole has a groove recessed toward the stator body, and a portion of the insulator is located in the groove.
4. A stator according to claim 3, wherein the mounting aperture has opposed first and second inner side walls, the first and/or second inner side walls having the recess.
5. The stator of claim 4, wherein the first inner sidewall and the second inner sidewall each have a plurality of the grooves, and the plurality of the grooves of the first inner sidewall and the plurality of the grooves of the second inner sidewall are in one-to-one correspondence.
6. A stator according to claim 3, wherein the grooves are semi-circular in cross-sectional configuration.
7. The stator according to any one of claims 1 to 6, wherein the stator body further has a relief hole and a communication hole that communicates the mounting hole and the relief hole, and a portion of the insulating member is located in the communication hole to seal the communication hole.
8. The stator according to any one of claims 1-6, characterized in that the stator body further has a first end face and a second end face opposite in the axial direction of the stator body, the first end face and/or the second end face being provided with the insulation.
9. The stator according to any one of claims 1 to 6, wherein the plurality of mounting holes are provided in plural, the plurality of mounting holes being sequentially spaced apart in a circumferential direction of the stator body.
10. An electric machine comprising a stator according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321553630.2U CN220066999U (en) | 2023-06-16 | 2023-06-16 | Stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321553630.2U CN220066999U (en) | 2023-06-16 | 2023-06-16 | Stator and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220066999U true CN220066999U (en) | 2023-11-21 |
Family
ID=88759434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321553630.2U Active CN220066999U (en) | 2023-06-16 | 2023-06-16 | Stator and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220066999U (en) |
-
2023
- 2023-06-16 CN CN202321553630.2U patent/CN220066999U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |