CN210201581U - Insulating skeleton, stator and motor - Google Patents
Insulating skeleton, stator and motor Download PDFInfo
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- CN210201581U CN210201581U CN201921072035.0U CN201921072035U CN210201581U CN 210201581 U CN210201581 U CN 210201581U CN 201921072035 U CN201921072035 U CN 201921072035U CN 210201581 U CN210201581 U CN 210201581U
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Abstract
The utility model provides an insulating skeleton, stator and motor relates to the motor field. The insulating skeleton includes: the upper framework and the lower framework are oppositely arranged; the upper framework comprises an upper end ring and a plurality of upper groove insulating parts, and the upper groove insulating parts are arranged on the end surface of the upper end at intervals; the lower framework comprises a lower end ring and lower groove insulation parts which are in one-to-one correspondence with the upper groove insulation parts, and the lower groove insulation parts are arranged on the end face of the lower end ring at intervals; the sum of the lengths of the upper groove insulating parts and the length of the lower groove insulating parts corresponding to each group are equal; the plurality of upper slot insulating portions include a plurality of first slot insulating portions and at least one second slot insulating portion, and the length of the second slot insulating portion is greater than the length of the first slot insulating portion. The utility model provides an insulating skeleton can reduce the upper ledge and lower skeleton when assembling with the iron core, the quantity of the upper trough insulating part that needs to counterpoint and lower trough insulating part has reduced insulating skeleton's whole assembly difficulty promptly to work efficiency has been improved.
Description
Technical Field
The utility model relates to a motor field particularly, relates to an insulating skeleton, stator and motor.
Background
The stator in an electric machine is an important component of the electric machine. The stator is composed of iron cores, an insulating framework, windings and other workpieces, wherein the insulating framework is arranged on the iron cores and used for isolating the iron cores from the windings. The insulating skeleton includes skeleton and lower skeleton, wherein, all is provided with a plurality of groove insulation portions that correspond on last skeleton and the lower skeleton, and the length of these groove insulation portions is the same. The two end surfaces of the iron core are provided with jacks (intervals between tooth parts of the iron core) corresponding to the groove insulation parts on the upper framework and the lower framework, and the shapes of the jacks are the same as the outer contours of the groove insulation parts. When the insulating frame is mounted, the slot insulating portions of the upper frame and the lower frame need to be inserted into the insertion holes at the end portions of the iron core correspondingly. However, since the length of each slot insulating part is consistent, when the insulating framework is installed, the upper framework and the lower framework can be ensured to be installed together with the iron core after each slot insulating part corresponds to the corresponding jack, so that the assembly difficulty is high, and the work efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an insulating skeleton, stator and motor, when aiming at improving current insulating skeleton and iron core installation, the assembly degree of difficulty leads to the problem that work efficiency reduces greatly.
The utility model discloses a realize like this:
an insulating scaffold comprising: the upper framework and the lower framework are oppositely arranged;
the upper framework comprises an upper end ring and a plurality of upper groove insulating parts, and the upper groove insulating parts are arranged on the end surface of one side of the upper end ring facing the lower framework at intervals and extend along the axial direction of the upper end ring;
the lower framework comprises a lower end ring and a plurality of lower groove insulating parts which correspond to the upper groove insulating parts one by one, and the lower groove insulating parts are arranged on the end surface of one side, facing the upper framework, of the lower end ring at intervals and extend along the axial direction of the lower end ring;
the sum of the lengths of the upper groove insulating parts and the lengths of the lower groove insulating parts corresponding to each group are equal;
the plurality of upper slot insulation parts comprise a plurality of first slot insulation parts and at least one second slot insulation part, and the length of the second slot insulation part is greater than that of the first slot insulation part.
Further, in a preferred embodiment of the present invention, the second groove insulating portion is a plurality of second groove insulating portions, and the lengths of the plurality of second groove insulating portions are the same.
Further, in a preferred embodiment of the present invention, the plurality of upper groove insulation portions further include at least one third groove insulation portion, and a length of the third groove insulation portion is smaller than a length of the first groove insulation portion.
Further, in a preferred embodiment of the present invention, the third groove insulating portion is a plurality of groove insulating portions, and the length of the plurality of groove insulating portions is the same.
Further, in a preferred embodiment of the present invention, the second groove insulating portion and the third groove insulating portion are both one, and the lengths of the plurality of first groove insulating portions are the same.
Further, in the preferred embodiment of the present invention, a connection structure is provided between the upper groove insulation portion and the lower groove insulation portion for connecting the upper groove insulation portion and the lower groove insulation portion.
Further, in a preferred embodiment of the present invention, the connecting structure includes a male head and a female head, the male head and the female head are engaged with each other, the female head is disposed at an end of the upper groove insulation part away from the upper end ring, and the male head is disposed at an end of the lower groove insulation part away from the lower end ring.
Further, in a preferred embodiment of the present invention, the wall thickness of the upper groove insulation part and the lower groove insulation part is 0.5mm to 1 mm.
A stator comprising the insulating skeleton of any preceding claim.
An electric machine, the stator of the electric machine.
The utility model has the advantages that: the utility model discloses an above-mentioned design obtains insulating skeleton, wherein go up the skeleton and lie in the iron core when assembling, only need to aim at the back with the longer second groove insulating part of length in a plurality of upper groove insulating parts and iron core upper jack, make it insert earlier in the jack after, all the other first groove insulating parts just can be under the guide of second groove insulating part, need not counterpoint and can insert in the jack. So, when having reduced last skeleton and iron core assembly, the quantity of the last groove insulating part that needs carry out the counterpoint has reduced the assembly degree of difficulty between last skeleton and the iron core promptly to work efficiency has been improved. Correspondingly, because on the lower skeleton, the length of the lower groove insulating part corresponding to the second groove insulating part is less than the length of the rest groove insulating part, therefore, when the lower skeleton is assembled with the iron core, the number of the lower groove insulating parts needing to be aligned is correspondingly reduced, so that the assembly difficulty of the lower skeleton and the iron core is reduced, and the working efficiency is improved. As can be seen from the above, the insulating frame provided by the present invention can reduce the number of the upper groove insulating portion and the lower groove insulating portion that need to be aligned when the upper frame and the lower frame are assembled with the iron core, that is, the overall assembling difficulty of the insulating frame is reduced, thereby improving the working efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view illustrating an assembly relationship between an insulating framework and an iron core according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper framework in an insulating framework according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lower frame in an insulating frame according to an embodiment of the present invention.
Icon: an iron core A; an upper framework 1; an upper end ring 11; a first trench insulating portion 12; a second trench insulating portion 13; a lower framework 2; a lower end ring 21; and a lower slot insulator 22.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.
the upper frame 1 includes an upper end ring 11 and a plurality of upper groove insulating portions that are provided at intervals on an end surface of the upper end ring 11 on the side toward the lower frame 2 and extend in the axial direction of the upper end ring 11. And the number, the position and the outer contour of the upper groove insulating part are adaptively arranged according to the jacks on the adaptive iron core A. And the upper groove insulating part and the upper end ring 11 can be integrally arranged or can be separately arranged, and when the upper groove insulating part and the upper end ring are integrally arranged, the integral injection molding can be carried out in an injection molding mode. In this embodiment, the upper groove insulator and the upper end ring 11 are integrally formed.
The lower frame 2 includes a lower end ring 21 and a plurality of lower groove insulating portions 22 corresponding to the upper groove insulating portions one to one, and the lower groove insulating portions 22 are disposed at intervals on an end surface of the lower end ring 21 facing the upper frame 1 and extend in an axial direction of the lower end ring 21. The lower end ring 21 and the lower slot insulation are arranged in the same manner as the upper frame 1, and reference is made to the above description, which is not repeated herein.
The sum of the length of each group of corresponding upper slot insulating parts and the length of each group of corresponding lower slot insulating parts 22 are equal, and specifically, after the upper framework 1 and the lower framework 2 are assembled with the iron core a, the ends of the corresponding upper slot insulating parts and the corresponding lower slot insulating parts 22 are contacted to complete connection. And the sum of the lengths of the connected upper and lower slot insulating portions 22 is the same as the length of the iron core a in the axial direction.
The plurality of upper slot insulating parts include a plurality of first slot insulating parts 12 and at least one second slot insulating part 13, and the length of the second slot insulating part 13 is greater than that of the first slot insulating part 12.
The insulating framework that this embodiment provided, wherein go up skeleton 1 and lie in iron core A when assembling, only need to go up the second groove insulating part 13 that length is longer among a plurality of upper groove insulating parts and iron core A and aim at the back with the jack, make it insert the jack earlier in the back, because the relative position between a plurality of upper groove insulating parts is fixed and corresponding with the jack, make remaining first groove insulating part 12 just can be under the guide of second groove insulating part 13, need not counterpoint and can insert in the jack. So, when having reduced last skeleton 1 and iron core A assembly, the quantity of the last groove insulating part that needs carry out the counterpoint has reduced the assembly degree of difficulty between last skeleton 1 and the iron core A promptly to work efficiency has been improved. Correspondingly, because on lower skeleton 2, the length of lower groove insulating part 22 that corresponds with second groove insulating part 13 will be less than the length of its remaining groove insulating part 22, so can know, when lower skeleton 2 and iron core a assemble, the quantity of the lower groove insulating part 22 that needs to carry out the counterpoint also correspondingly reduces to the assembly degree of difficulty of lower skeleton 2 and iron core a has been reduced, has improved work efficiency. As can be seen from the above, the insulating frame provided in this embodiment can reduce the number of the upper slot insulating portions and the lower slot insulating portions 22 that need to be aligned when the upper frame 1 and the lower frame 2 are assembled with the iron core a, that is, reduce the overall assembly difficulty of the insulating frame, thereby improving the working efficiency.
In the present embodiment, the insulating frame adapted to the iron core a having nine insertion holes is described, and the number of the upper slot insulating portions and the lower slot insulating portions 22 is also nine.
In specific application, please refer to fig. 2-3, the number of the second slot insulating portions 13 may be one, and accordingly, when the upper frame 1 is assembled with the iron core a, the whole alignment of the upper frame 1 can be completed only by aligning one second slot insulating portion 13 in the insertion hole, thereby greatly reducing the assembly difficulty.
In other embodiments, damage due to excessive force is avoided when the entire upper frame 1 is guided by itself during assembly of the upper groove insulation. The second slot insulating parts 13 can also be arranged in a plurality of numbers, and the lengths of the second slot insulating parts 13 are the same, so that the second slot insulating parts 13 can share the acting force which is received in real time when guiding, and damage in the assembling process is avoided. Specifically, the number of the second slot insulating portions 13 may be three.
Further, in other embodiments, in order to further reduce the difficulty of assembling the lower frame 2, at least one third slot insulating portion is further included in the plurality of upper slot insulating portions, and the length of the third slot insulating portion is smaller than that of the first slot insulating portion 12. I.e. embodied such that the lower slot insulation 22 in the lower skeleton 2 corresponding to the third slot insulation is longer than the remaining lower slot insulation 22. When the lower framework 2 is assembled with the iron core a, the lower slot insulating part 22 corresponding to the third slot insulating part can be used for overall guiding, so that the assembly difficulty is reduced, the principle can refer to the above, and the detailed description is omitted here.
Further, the number of the third slot insulating portions may be one or more, and when the number of the third slot insulating portions (not shown in the figure) is more than one, the length of the plurality of third slot insulating portions is the same.
Further, in a preferred embodiment, in order to reduce the difficulty of assembling the upper frame 1 and the lower frame 2 as much as possible, the second slot insulating portion 13 and the third slot insulating portion are both one, and the lengths of the plurality of first slot insulating portions 12 are the same. Thus, when the upper framework 1 and the lower framework 2 are assembled on the iron core a, only one upper groove insulating part or lower groove insulating part 22 needs to be aligned, so that the working efficiency is improved as much as possible.
Further, as shown in fig. 2 to fig. 3, when the insulating framework is applied to any one of the insulating frameworks, a connecting structure is provided between the corresponding upper slot insulating portion and the corresponding lower slot insulating portion 22, so as to connect the upper slot insulating portion and the lower slot insulating portion 22. Through setting up connection structure for when going up skeleton 1 and lower skeleton 2 and lie in iron core A and accomplish the assembly, go up skeleton 1 and lower skeleton 2 and realize relatively fixed through connection structure, the stability of the insulating skeleton of reinforcing avoids breaking away from with iron core A.
Further, referring to fig. 2-3, in the present embodiment, the connection structure includes a male head and a female head, which are engaged with each other, the female head is disposed at an end of the upper slot insulation portion away from the upper end ring 11, and the male head is disposed at an end of the lower slot insulation portion 22 away from the lower end ring 21. In other embodiments, the connection structure may also use a common connection structure such as a snap structure.
Further, in this embodiment, on the premise of ensuring the isolation of the slot insulating portion from the core a and the winding, the influence of the wall thickness on the magnetic field in the stator is reduced. In the present embodiment, the wall thickness of the upper and lower slot insulation 22 is 0.5mm to 1 mm. Preferably, the wall thickness of the upper and lower slot insulation 22 is 0.75 mm.
The embodiment also provides a stator, which comprises the insulation framework.
The embodiment also provides a motor and the stator of the motor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An insulating skeleton, comprising: the upper framework and the lower framework are oppositely arranged;
the upper framework comprises an upper end ring and a plurality of upper groove insulating parts, and the upper groove insulating parts are arranged on the end surface of one side of the upper end ring facing the lower framework at intervals and extend along the axial direction of the upper end ring;
the lower framework comprises a lower end ring and a plurality of lower groove insulating parts which correspond to the upper groove insulating parts one by one, and the lower groove insulating parts are arranged on the end surface of one side, facing the upper framework, of the lower end ring at intervals and extend along the axial direction of the lower end ring;
the sum of the lengths of the upper groove insulating parts and the lengths of the lower groove insulating parts corresponding to each group are equal;
the plurality of upper slot insulation parts comprise a plurality of first slot insulation parts and at least one second slot insulation part, and the length of the second slot insulation part is greater than that of the first slot insulation part.
2. The insulating skeleton according to claim 1, wherein the second slot insulating portion is a plurality of slot insulating portions, and the length of the plurality of slot insulating portions is the same.
3. The insulating skeleton of claim 1, wherein the plurality of upper slot insulation portions further comprises at least one third slot insulation portion having a length less than the length of the first slot insulation portion.
4. The insulating skeleton according to claim 3, wherein the third slot insulating portion is a plurality of slot insulating portions, and the length of the plurality of slot insulating portions is the same.
5. The insulating skeleton according to claim 3, wherein the second slot insulating portion and the third slot insulating portion are both one, and the lengths of the plurality of first slot insulating portions are the same.
6. The insulating skeleton of claim 1, wherein a connecting structure is provided between the corresponding upper slot insulating portion and the lower slot insulating portion for connecting the upper slot insulating portion and the lower slot insulating portion.
7. The insulating skeleton of claim 6, wherein the connecting structure comprises cooperating male and female heads, the female head being disposed at an end of the upper slot insulator remote from the upper end ring, and the male head being disposed at an end of the lower slot insulator remote from the lower end ring.
8. The insulating skeleton of claim 1, wherein the wall thickness of the upper and lower slot insulation is 0.5mm-1 mm.
9. A stator, characterized in that it comprises an insulating skeleton according to any one of claims 1-8.
10. An electrical machine, characterized in that it comprises a stator according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072035.0U CN210201581U (en) | 2019-07-09 | 2019-07-09 | Insulating skeleton, stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072035.0U CN210201581U (en) | 2019-07-09 | 2019-07-09 | Insulating skeleton, stator and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210201581U true CN210201581U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921072035.0U Active CN210201581U (en) | 2019-07-09 | 2019-07-09 | Insulating skeleton, stator and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210201581U (en) |
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2019
- 2019-07-09 CN CN201921072035.0U patent/CN210201581U/en active Active
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