CN210957959U - Insulating sheet structure of wiper motor - Google Patents
Insulating sheet structure of wiper motor Download PDFInfo
- Publication number
- CN210957959U CN210957959U CN201921998283.8U CN201921998283U CN210957959U CN 210957959 U CN210957959 U CN 210957959U CN 201921998283 U CN201921998283 U CN 201921998283U CN 210957959 U CN210957959 U CN 210957959U
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- insulating
- insulating sheet
- shaft hole
- shaft
- piece
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Abstract
The utility model discloses an insulating sheet structure of a wiper motor, which comprises an insulating sheet bottom plate (1); the central position of the insulating sheet bottom plate (1) is provided with an insulating sheet shaft hole (6), the insulating sheet shaft hole (6) and the rotor shaft are in interference fit through a shaft hole reinforcement (4), a plurality of insulating sheet grooves (2) for mounting the armature core are arranged on the surface of the insulating sheet bottom plate (1), the insulating sheet grooves (2) are uniformly distributed on the insulating sheet shaft hole (6) in a circumferential shape around the insulating sheet shaft hole (6), and the insulating sheet bottom plate and the rotor shaft are in an integrally formed structure; the shaft hole of the insulating sheet is matched and connected with the rotor shaft, and the inner ring of the shaft hole is used for reinforcement treatment to form interference fit between the shaft hole and the shaft, so that the insulating sheet can be prevented from axially moving or falling off due to looseness after being installed (before enameled wire winding); compared with the conventional interference fit, the shaft hole reinforcement interference fit saves materials.
Description
Technical Field
The utility model relates to an insulation system between armature core and enameled wire among windscreen wiper motor belongs to insulating technical field.
Background
At present, the types of insulation devices between an armature core and an enameled wire in the wiper motor are more, and relatively speaking, an insulation sheet is adopted as the insulation device, so that the cost is low, the efficiency is high, and the wiper motor is widely applied.
However, due to the smooth shaft hole design of the insulating sheet, the requirement on the dimensional accuracy is high in the assembling process, and poor matching is easy to occur in the matching between the insulating sheet and the rotor shaft.
Disclosure of Invention
An object of the utility model is to provide a windscreen wiper motor insulating piece structure can guarantee the cooperation precision between insulating piece and the rotor shaft, and then reduces installation cost.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a windscreen wiper motor insulating piece structure, it includes:
an insulating sheet base plate;
insulating piece bottom plate central point put and be equipped with the insulating piece shaft hole, the insulating piece shaft hole adds muscle interference fit through the shaft hole with the rotor shaft, insulating piece bottom plate surface be equipped with a plurality of installation armature core's insulating piece recess, the insulating piece recess is circumference form evenly distributed on the insulating piece shaft hole around the insulating piece shaft hole, and becomes the integrated into one piece structure.
The structure also comprises an insulating sheet shaft hole smooth edge positioned on the insulating sheet shaft hole, so that the insulating sheet shaft hole and the shaft can be in smooth contact, and the structure is convenient to install.
The bottom plate of the insulating sheet is in a circular thin plate shape.
The depth of the groove of the insulating sheet can be designed into various sizes, and the armature core is suitable for armature cores with different thicknesses.
The same insulating piece of two longitudinal symmetries of mountable or two different insulating pieces on the armature core, clearance size is up to standard between two insulating piece recess bottom edges, and then reaches insulating effect.
Compared with the existing structure mode: the shaft hole of the insulating sheet is matched and connected with the rotor shaft, and the inner ring of the shaft hole is used for reinforcement treatment to form interference fit between the shaft hole and the shaft, so that the insulating sheet can be prevented from axially moving or falling off due to looseness after being installed (before enameled wire winding); compared with the conventional interference fit, the shaft hole reinforcement interference fit saves materials; the insulating sheet shaft hole on the insulating sheet shaft hole is smooth, so that the insulating sheet shaft hole and the shaft can be in smooth contact, and the installation is convenient.
Drawings
Fig. 1 is a three-dimensional view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1. an insulating sheet base plate; 2. insulating sheet grooves; 3. the shaft hole of the insulating sheet is smooth; 4. reinforcing the shaft hole; 5. the bottom edge of the groove; 6. the insulating piece shaft hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
As shown in fig. 1 to 3:
the utility model relates to a windscreen wiper motor insulating piece structure, it includes:
an insulating sheet base plate 1;
insulating piece bottom plate 1 central point put and be equipped with insulating piece shaft hole 6, insulating piece shaft hole 6 adds 4 interference fit with the rotor shaft through the shaft hole, insulating piece bottom plate 1 surface be equipped with a plurality of installation armature core's insulating piece recess 2, insulating piece recess 2 is circumference form evenly distributed on insulating piece shaft hole 6 around insulating piece shaft hole 6, and becomes the integrated into one piece structure.
As shown in fig. 1, the structure further comprises an insulating sheet shaft hole smooth edge 3 on the insulating sheet shaft hole 6, so that the insulating sheet shaft hole 6 can be smoothly contacted with the shaft, and the installation is convenient.
Wherein, the insulating sheet base plate 1 is in a circular thin plate shape.
Wherein, insulating piece 2 degree of depth can design multiclass size, be applicable to different thickness armature cores.
Shaft hole adds muscle 4 can with the good interference fit of axle, and the shaft hole adds muscle quantity wantonly, and the shaft hole adds the muscle appearance shape and can be wantonly.
The same insulating piece of two longitudinal symmetries of mountable or two different insulating pieces on the armature core, clearance size is up to standard between two insulating piece recess bottom edges 5, and then reaches insulating effect.
Referring to fig. 1 and 2: the insulation sheet comprises an insulation sheet base plate 1, the insulation sheet base plate 1 is a circular thin plate, 14 insulation sheet grooves 2 are arranged on the insulation sheet base plate, the insulation sheet grooves 2 are uniformly distributed on the base plate, and the sizes of the insulation sheet grooves 2 are matched with the overall size of the armature core;
the insulation sheet passes through the positioning tool, the insulation sheet shaft hole 6 is arranged on the rotor shaft assembled with the armature core, and the insulation sheet shaft hole 6 and the shaft are in interference fit through the shaft hole rib 4, so that the axial movement of the insulation sheet on the rotor shaft is avoided;
the armature core is provided with two same insulating sheets which are symmetrical up and down, or two different insulating sheets are arranged, a gap can be reserved between the edges of the bottoms of the grooves of the two insulating sheets, and the size of the gap is not larger than a certain numerical value.
When the rotor shaft penetrates into the shaft hole, the shaft hole smooth edge 4 of the insulating sheet ensures that the shaft smoothly passes through the shaft hole.
If the thickness size of the armature core changes, the assembly work of the armature core with three different thicknesses can be met only by producing two types of insulation sheets under the premise of a certain size range.
Compared with the existing structure mode: the insulating sheet shaft hole 6 of the utility model is connected with the rotor shaft in a matching way, and the shaft hole is used for reinforcement 4 to form interference fit between the shaft hole and the shaft, thus preventing the insulating sheet from moving or falling off axially due to looseness after installation (before winding the enameled wire); compared with the conventional interference fit, the interference fit of the shaft hole reinforcement 4 saves materials; and the insulating sheet shaft hole smooth edge 3 on the insulating sheet shaft hole can enable the insulating sheet shaft hole to be in smooth contact with the shaft, so that the insulating sheet shaft hole is convenient to install.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (5)
1. The utility model provides a windscreen wiper motor insulating piece structure which characterized in that, it includes: an insulating sheet base plate (1); insulating piece bottom plate (1) central point put and be equipped with insulating piece shaft hole (6), insulating piece shaft hole (6) add muscle (4) interference fit through the shaft hole with the rotor shaft, insulating piece bottom plate (1) surface be equipped with a plurality of installation armature core's insulating piece recess (2), insulating piece recess (2) are circumference form evenly distributed on insulating piece shaft hole (6) around insulating piece shaft hole (6), and become the integrated into one piece structure.
2. The insulating sheet structure of wiper motor according to claim 1, further comprising an insulating sheet axial hole smooth edge (3) on the insulating sheet axial hole (6) for smooth contact between the insulating sheet axial hole (6) and the shaft, thereby facilitating the installation.
3. The insulating sheet structure of wiper motor according to claim 1, wherein the insulating sheet base plate (1) is in the shape of a circular thin plate.
4. The insulating sheet structure of wiper motor according to claim 1 or 2, wherein the depth of the insulating sheet groove (2) can be designed into various sizes, and is suitable for armature cores with different thicknesses.
5. The insulating sheet structure of wiper motor according to claim 1 or 2, wherein two identical insulating sheets or two different insulating sheets are mounted on the armature core, and the gap between the bottom edges (5) of the grooves of the two insulating sheets is up to standard, thereby achieving the insulating effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998283.8U CN210957959U (en) | 2019-11-19 | 2019-11-19 | Insulating sheet structure of wiper motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921998283.8U CN210957959U (en) | 2019-11-19 | 2019-11-19 | Insulating sheet structure of wiper motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210957959U true CN210957959U (en) | 2020-07-07 |
Family
ID=71376533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921998283.8U Active CN210957959U (en) | 2019-11-19 | 2019-11-19 | Insulating sheet structure of wiper motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210957959U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803647A (en) * | 2021-01-29 | 2021-05-14 | 珠海市柏瑞电子有限公司 | Inner rotor brushless DC motor and oxygen-increasing machine |
| CN113113997A (en) * | 2021-04-01 | 2021-07-13 | 贵州航天林泉电机有限公司 | Motor stator insulation and winding connection structure |
-
2019
- 2019-11-19 CN CN201921998283.8U patent/CN210957959U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803647A (en) * | 2021-01-29 | 2021-05-14 | 珠海市柏瑞电子有限公司 | Inner rotor brushless DC motor and oxygen-increasing machine |
| CN113113997A (en) * | 2021-04-01 | 2021-07-13 | 贵州航天林泉电机有限公司 | Motor stator insulation and winding connection structure |
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