CN215452658U - Outer rotor motor with waterproof function - Google Patents
Outer rotor motor with waterproof function Download PDFInfo
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- CN215452658U CN215452658U CN202121880855.XU CN202121880855U CN215452658U CN 215452658 U CN215452658 U CN 215452658U CN 202121880855 U CN202121880855 U CN 202121880855U CN 215452658 U CN215452658 U CN 215452658U
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- rotor
- end cover
- annular
- motor end
- joint strip
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Abstract
The utility model relates to an outer rotor motor with a waterproof function, which comprises an outer rotor assembly, an inner stator and a motor end cover, wherein the outer rotor assembly comprises a rotor shell with an opening at one end, a rotor and a rotating shaft, the rotor shell is arranged on the rotor shell, the accommodating cavity is provided with the inner stator, the center of one side of the motor end cover is provided with a cylinder with a central through hole, the motor end cover covers one end of the opening of the rotor shell, the cylinder extends into the accommodating cavity, the inner stator is fixedly sleeved on the outer side of the cylinder, a bearing is arranged in the central through hole, the bearing is sleeved with the rotating shaft, the rotating shaft is connected with the rotor shell through a sleeve, and a waterproof structure is arranged between the motor end cover and the rotor shell.
Description
Technical Field
The utility model relates to an outer rotor motor with a waterproof function.
Background
At present, the outer rotor motor is widely applied to occasions such as household ventilating fans, instruments, range hoods, shoe polishing machines and the like. The novel copper wire heat dissipation device has the advantages of being large in rotational inertia, good in heat dissipation, capable of saving copper wires and good in market prospect. However, the rotor of the outer rotor motor is outside, and the special structure of the stator inside determines that the outer rotor motor cannot be completely sealed, cannot be effectively waterproof, can only be used under a dry working condition, and greatly limits the application field of the outer rotor motor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides an outer rotor motor with a waterproof function, which is realized by the following technical scheme:
the utility model provides an external rotor electric machine with waterproof function which characterized in that: the rotor comprises an outer rotor component, an inner stator and a motor end cover, wherein the outer rotor component comprises a rotor shell with an opening at one end, a rotor and a rotating shaft, the rotor shell is arranged on the rotor shell, the accommodating cavity is provided with the inner stator, a cylinder with a central through hole is arranged in the center of one side of the motor end cover, the motor end cover covers one end of the opening of the rotor shell, the cylinder extends into the accommodating cavity, the inner stator is sleeved and fastened on the outer side of the cylinder, a bearing is arranged in the central through hole, the bearing is sleeved with the rotating shaft, the rotating shaft is connected with the rotor shell through a sleeve, the motor end cover is provided with an annular sleeve, the annular sleeve surrounds a gap between the rotor shell and the motor end cover, the outer surface of the rotor shell is provided with an annular flange, and the annular sleeve is provided with a first annular clamping block, the annular flange is provided with second annular fixture block, first annular fixture block joint has first joint strip, second annular fixture block joint has second joint strip, first joint strip and second joint strip all are provided with the inclined plane, first joint strip laminates in order to reach sealed effect with the inclined plane of second joint strip mutually.
Further, the motor end cover and the annular sleeve are integrally formed.
Further, the rotor housing is integrally formed with the annular flange.
The utility model has the beneficial effects that: compared with the prior art, the motor end cover and the rotor shell are sealed by arranging the annular sleeve, the annular flange, the first sealing rubber strip and the second sealing rubber strip so as to play a waterproof role.
Drawings
Fig. 1 is a structural view of an outer rotor motor having a waterproof function according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The present invention is further illustrated by the following examples, which are only a part of the examples of the present invention, and these examples are only for explaining the present invention and do not limit the scope of the present invention.
As shown in fig. 1 to 2, an embodiment of the present invention provides an external rotor motor with a waterproof function, including an external rotor assembly 1, an internal stator 2, and a motor end cover 3, where the external rotor assembly 1 includes a rotor housing 11 with an opening at one end, a rotor 12 mounted on the rotor housing 11, and a rotating shaft 13, the rotor housing 11 is provided with an accommodating cavity 14, the accommodating cavity 14 is provided with the internal stator 2, a cylinder 32 with a central through hole 31 is disposed in the center of one side of the motor end cover 3, the motor end cover 3 covers one end of the opening of the rotor housing 11, the cylinder 32 extends into the accommodating cavity 14, the internal stator 2 is tightly sleeved on the outside of the cylinder 32, a bearing 4 is mounted in the central through hole 31, the bearing 4 is sleeved with the rotating shaft 13, the rotating shaft 13 is connected with the rotor housing 1 through a sleeve 5, the motor end cover 3 is provided with an annular sleeve 33, annular sleeve 33 surrounds rotor housing 11 with clearance between the motor end cover 3, rotor housing 11 surface is provided with annular flange 111, annular sleeve 33 is provided with first annular fixture block 34, annular flange 111 is provided with second annular fixture block 112, first annular fixture block 34 joint has first joint strip 6, second annular fixture block 112 joint has second joint strip 7, first joint strip 6 and second joint strip 7 all are provided with the inclined plane, first joint strip 6 laminates in order to reach sealed effect with the inclined plane of second joint strip 7 mutually.
According to the utility model, when the rotor rotates, the rotor shell and the rotating shaft are driven to rotate, and the motor end cover and the rotor shell can be sealed by arranging the annular sleeve, the annular flange, the first sealing rubber strip and the second sealing rubber strip, so that a waterproof effect is achieved.
Further, the motor end cover 3 is integrally formed with the annular sleeve 33.
Further, the rotor housing 11 is integrally formed with the annular flange 111.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (3)
1. The utility model provides an external rotor electric machine with waterproof function which characterized in that: the rotor comprises an outer rotor component, an inner stator and a motor end cover, wherein the outer rotor component comprises a rotor shell with an opening at one end, a rotor and a rotating shaft, the rotor shell is arranged on the rotor shell, the accommodating cavity is provided with the inner stator, a cylinder with a central through hole is arranged in the center of one side of the motor end cover, the motor end cover covers one end of the opening of the rotor shell, the cylinder extends into the accommodating cavity, the inner stator is sleeved and fastened on the outer side of the cylinder, a bearing is arranged in the central through hole, the bearing is sleeved with the rotating shaft, the rotating shaft is connected with the rotor shell through a sleeve, the motor end cover is provided with an annular sleeve, the annular sleeve surrounds a gap between the rotor shell and the motor end cover, the outer surface of the rotor shell is provided with an annular flange, and the annular sleeve is provided with a first annular clamping block, the annular flange is provided with second annular fixture block, first annular fixture block joint has first joint strip, second annular fixture block joint has second joint strip, first joint strip and second joint strip all are provided with the inclined plane, first joint strip laminates in order to reach sealed effect with the inclined plane of second joint strip mutually.
2. The external rotor electric machine of claim 1, wherein: the motor end cover and the annular sleeve are integrally formed.
3. The external rotor electric machine of claim 1, wherein: the rotor housing is integrally formed with the annular flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121880855.XU CN215452658U (en) | 2021-08-12 | 2021-08-12 | Outer rotor motor with waterproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121880855.XU CN215452658U (en) | 2021-08-12 | 2021-08-12 | Outer rotor motor with waterproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215452658U true CN215452658U (en) | 2022-01-07 |
Family
ID=79693563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121880855.XU Active CN215452658U (en) | 2021-08-12 | 2021-08-12 | Outer rotor motor with waterproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215452658U (en) |
-
2021
- 2021-08-12 CN CN202121880855.XU patent/CN215452658U/en active Active
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| GR01 | Patent grant | ||
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