CN213937662U - Cooling structure of motor - Google Patents
Cooling structure of motor Download PDFInfo
- Publication number
- CN213937662U CN213937662U CN202120180274.9U CN202120180274U CN213937662U CN 213937662 U CN213937662 U CN 213937662U CN 202120180274 U CN202120180274 U CN 202120180274U CN 213937662 U CN213937662 U CN 213937662U
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- motor
- rotating shaft
- shell
- cooling
- cooling structure
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Abstract
The utility model discloses a cooling structure of a motor, which comprises a motor body, wherein the motor body comprises a motor shell, a permanent magnet, a motor stator and a motor rotor, the permanent magnet, the motor stator and the motor rotor are positioned in the motor shell, the motor rotor is provided with a rotating shaft, the rotating shaft is fixed in the motor shell through a bearing, one end surface of the motor shell is provided with a limiting hole for the rotating shaft to pass through, and one end of the rotating shaft, which is far away from the limiting hole, is provided with a cooling device; the cooling equipment comprises a fixed sleeve sleeved on the rotating shaft, and a plurality of fan blades are arranged on the fixed sleeve; the end surfaces of the motor shell corresponding to the two ends of the rotating shaft are provided with air holes; the utility model discloses a cooling arrangement who adds on electric motor rotor has seted up the bleeder vent with on motor housing for motor body is at the in-process of work, and the initiative reduces the inside temperature of motor body, and then improves motor body's work efficiency and reduces the risk because of generating heat and damaging.
Description
Technical Field
The utility model relates to a technical field of motor, more specifically the cooling structure who relates to a motor that says so.
Background
Most of the existing motors adopt a sealing structure and lack an active heat dissipation structure or device, so that the heat generation of the motors is more obvious along with the increase of loads and running time in the working process, and the working efficiency of the motors is reduced and even the motors are damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned technical problem and provide a cooling structure of motor.
The utility model discloses a following technical scheme realizes: a cooling structure of a motor comprises a motor body, wherein the motor body comprises a motor shell, a permanent magnet, a motor stator and a motor rotor, the permanent magnet, the motor stator and the motor rotor are positioned in the motor shell, the motor rotor is provided with a rotating shaft, the rotating shaft is fixed in the motor shell through a bearing, one end face of the motor shell is provided with a limiting hole for the rotating shaft to pass through, and one end of the rotating shaft, which is far away from the limiting hole, is provided with cooling equipment;
the cooling equipment comprises a fixed sleeve sleeved on the rotating shaft, and a plurality of fan blades are arranged on the fixed sleeve;
the end surfaces of the motor shell corresponding to the two ends of the rotating shaft are provided with air holes;
preferably, the surfaces of the fan blades are all sleeved with dustproof sleeves.
Preferably, the surface of the dustproof sleeve, which is far away from the fan blades, is provided with an adhesive layer.
Preferably, among the air holes on the two end surfaces of the motor shell, the air hole close to the end surface of the cooling equipment is an air inlet hole, and the air hole far away from the end surface of the cooling equipment is an air outlet hole.
Preferably, the end face of the motor shell corresponding to the fan blade is detachably fixed on the motor shell.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses a cooling arrangement who adds on electric motor rotor has seted up the bleeder vent with on motor housing for motor body is at the in-process of work, and the initiative reduces the inside temperature of motor body, and then improves motor body's work efficiency and reduces the risk because of generating heat and damaging.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic sectional view of the present invention.
Description of reference numerals:
11. motor housing, 12, spacing hole, 13, bleeder vent, 21, permanent magnet, 22, motor stator, 23, motor rotor, 231, axis of rotation, 232, fixed cover, 233, flabellum, 234, dirt proof boot.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
As shown in fig. 1, the cooling structure of the motor includes a motor body, the motor body includes a motor housing 11, a permanent magnet 21, a motor stator 22 and a motor rotor 23, the permanent magnet 21, the motor stator 22 and the motor rotor 23 are located inside the motor housing 11, the motor rotor 23 has a rotating shaft 231, the rotating shaft 231 is fixed inside the motor housing 11 through a bearing, a limiting hole 12 for the rotating shaft 231 to pass through is formed in one end surface of the motor housing 11, and a cooling device is disposed at one end of the rotating shaft 231, which is far away from the limiting hole 12;
the cooling device comprises a fixed sleeve 232 sleeved on a rotating shaft 231, and a plurality of fan blades 233 are arranged on the fixed sleeve 232;
the end surfaces of the motor shell 11 corresponding to the two ends of the rotating shaft 231 are provided with air holes 13;
when the motor body operates, the motor rotor 23 drives the fan blades 233 of the cooling device to rotate in the rotating process, so that external air is sucked in from the air holes 13 on one end surface of the motor housing 11 and is discharged from the air holes 13 on the other end surface of the motor housing 11, and heat generated inside the motor body is taken out in the process, thereby realizing cooling.
As a preferable scheme of the above embodiment, the dust-proof covers 234 are respectively sleeved on the surfaces of the plurality of fan blades 233 to prevent dust in the outside air from covering the fan blades 233.
As a preferable scheme of the above embodiment, the surface of the dust-proof cover 234 away from the fan 233 is provided with an adhesive layer, and the adhesive layer is arranged to adsorb dust in the air onto the dust-proof cover;
among the air holes 13 positioned on the two end surfaces of the motor shell 11, the air hole 13 close to the end surface of the cooling device is an air inlet, the air hole 13 far away from the end surface of the cooling device is an air outlet, the direction of the external air entering the motor shell 11 is limited, and the dust carried in the air entering the motor shell 11 is reduced by the mutual matching of the air holes 13 and the adhesive layer on the dustproof sleeve 234.
As a preferable scheme of the above embodiment, the end surface of the motor housing 11 corresponding to the fan blade 233 is detachably fixed on the motor housing 11, so that the dust cover 234 can be replaced conveniently.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A cooling structure of a motor comprises a motor body, wherein the motor body comprises a motor shell, a permanent magnet, a motor stator and a motor rotor, the permanent magnet, the motor stator and the motor rotor are positioned in the motor shell, the motor rotor is provided with a rotating shaft, the rotating shaft is fixed in the motor shell through a bearing, and one end face of the motor shell is provided with a limiting hole for the rotating shaft to pass through;
the cooling equipment comprises a fixed sleeve sleeved on the rotating shaft, and a plurality of fan blades are arranged on the fixed sleeve;
and the end surfaces of the motor shell corresponding to the two ends of the rotating shaft are provided with air holes.
2. The cooling structure of an electric motor according to claim 1, wherein dust covers are fitted over the surfaces of the plurality of fan blades in the ventilation holes formed in both end surfaces of the motor casing.
3. The cooling structure of an electric motor according to claim 2, wherein a face of the dust boot, which is away from the fan blades, has an adhesive layer.
4. The cooling structure of an electric motor according to claim 3, wherein among the air holes formed at both end surfaces of the motor case, the air hole formed at a position close to the end surface of the cooling device is an air inlet hole, and the air hole formed at a position far from the end surface of the cooling device is an air outlet hole.
5. The cooling structure of an electric motor according to claim 4, wherein the end surface of the motor housing corresponding to the fan blade is detachably fixed to the motor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120180274.9U CN213937662U (en) | 2021-01-22 | 2021-01-22 | Cooling structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120180274.9U CN213937662U (en) | 2021-01-22 | 2021-01-22 | Cooling structure of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213937662U true CN213937662U (en) | 2021-08-10 |
Family
ID=77159125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120180274.9U Active CN213937662U (en) | 2021-01-22 | 2021-01-22 | Cooling structure of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213937662U (en) |
-
2021
- 2021-01-22 CN CN202120180274.9U patent/CN213937662U/en active Active
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