CN210518018U - High-temperature-resistant motor - Google Patents
High-temperature-resistant motor Download PDFInfo
- Publication number
- CN210518018U CN210518018U CN201921700524.6U CN201921700524U CN210518018U CN 210518018 U CN210518018 U CN 210518018U CN 201921700524 U CN201921700524 U CN 201921700524U CN 210518018 U CN210518018 U CN 210518018U
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- stator
- temperature
- rotor assembly
- hole
- fan blade
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Abstract
The utility model discloses a high temperature resistant motor, which comprises a casing, wherein a stator is fixed in the casing, a stator hole is formed in the middle part of the stator, a rotor assembly capable of rotating in the stator hole is inserted into the stator hole, a rotating shaft passing through the rotor assembly is fixed on the rotor assembly, and a plurality of blades surrounding the rotating shaft are fixed at the front end of the rotor assembly; the shell comprises a front cover, a barrel shell and a rear cover; the shell of the machine barrel is provided with a vent hole, and the front cover of the machine barrel is provided with an air inlet hole. The utility model discloses after being fixed with the fan blade on the projection of rotor, the exchange that has increaseed inside hot-air of motor and outside cold air flows, has both had quick cooling effect to motor stator, has quick cooling effect to countershaft and high temperature antifriction bearing again to reduce stator and high temperature antifriction bearing's temperature more effectively, reach extension bearing and motor life-span. The fan blade mounting structure is firm and simple, and the operation is convenient.
Description
Technical Field
The utility model relates to a high temperature resistance motor, more specifically say so and relate to a high temperature resistance motor for oven.
Background
In the prior art, the high-temperature motor of the oven generally refers to a motor with a rotating shaft extending in the oven and a main body part outside the oven. The motor shaft is extended and matched with the wind wheel to rotate positively and negatively in the oven, so that the hot air in the oven is circulated uniformly. The temperature of the motor rotating shaft in the oven can reach high temperature of about 260 ℃, and the high temperature is transmitted to the front rolling bearing on the motor rotor through the rotating shaft. Only ordinary cast aluminum straight-extending fan blades are arranged on the motor rotor, so that the cooling effect is poor; at high temperature, grease of a common rolling bearing is easy to dry, so that the bearing generates noise too early, and the service life of the motor is shortened.
Disclosure of Invention
An object of the utility model is to overcome prior art's weak point, provide one kind and can prolong bearing and motor life, fan blade mounting structure is firm, simple, convenient operation's high temperature resistant motor.
The purpose of the utility model is realized like this:
a high-temperature-resistant motor is characterized by comprising a housing, wherein a stator is fixed in the housing, a stator hole is formed in the middle of the stator, a rotor assembly capable of rotating in the stator hole is inserted into the stator hole, a rotating shaft penetrating through the rotor assembly is fixed on the rotor assembly, and a plurality of blades surrounding the rotating shaft are fixed at the front end of the rotor assembly; the shell comprises a front cover, a barrel shell and a rear cover; the shell of the machine barrel is provided with a vent hole, and the front cover of the machine barrel is provided with an air inlet hole.
The high-temperature-resistant motor is characterized in that a high-temperature rolling bearing is arranged between the front end of the rotating shaft and the front cover, and a rolling bearing is arranged between the rear end of the rotating shaft and the rear cover.
The high-temperature-resistant motor is characterized in that the rear cover is provided with a rear cover vent hole.
The high-temperature-resistant motor is characterized in that the front end of the rotor component is provided with a plurality of convex columns in a ring shape, and the fan blades are fixed on the convex columns.
The high-temperature-resistant motor is characterized in that the fan blade is inverted-V-shaped, the middle of the fan blade is provided with a fan blade hole matched with the convex column, and two free ends of the fan blade extend and are bent outwards to form the fan blade.
The high-temperature-resistant motor is characterized in that the front cover is provided with a front cover bearing limiting sleeve for the high-temperature rolling bearing to be clamped in, and the rear cover is provided with a rear cover bearing limiting sleeve for the rolling bearing to be clamped in.
The utility model has the advantages that:
the utility model discloses after being fixed with the fan blade on the projection of rotor, the exchange that has increaseed inside hot-air of motor and outside cold air flows, has both had quick cooling effect to motor stator, has quick cooling effect to countershaft and high temperature antifriction bearing again to reduce stator and high temperature antifriction bearing's temperature more effectively, reach extension bearing and motor life-span. The fan blade mounting structure is firm and simple, and the operation is convenient.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a block diagram of the present invention;
fig. 3 is a cross-sectional view of the present invention;
FIG. 4 is an internal structural view of the present invention;
FIG. 5 is an exploded view of FIG. 4;
fig. 6 is an exploded view of the structure of the stator and the rotating shaft.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
a high-temperature-resistant motor comprises a housing 1, wherein a stator 2 is fixed in the housing 1, a stator hole 21 is formed in the middle of the stator 2, a rotor assembly 3 capable of rotating in the stator hole is inserted into the stator hole 21, a rotating shaft 4 penetrating through the rotor assembly is fixed on the rotor assembly 3, and a plurality of blades 5 surrounding the rotating shaft are fixed at the front end of the rotor assembly 3; the machine shell 1 comprises a machine front cover 11, a machine barrel shell 12 and a machine rear cover 13, and a fixing screw 14 penetrates through the machine rear cover 13 and the stator 2 to be fixed with the machine front cover 11; the barrel shell 12 is provided with a vent hole 121, and the front cover 11 is provided with an air inlet hole 111. When the motor rotates, because the fan blade 51 rotates to form a larger negative pressure inside the motor, cold air enters from the air inlet hole 111 of the front cover 11 of the motor and is discharged from the air outlet hole 121 of the cylinder shell 12, so that the stator 2 is rapidly cooled, and the rotating shaft 4 and the high-temperature rolling bearing 41 are rapidly cooled, so that the temperatures of the stator 2 and the high-temperature rolling bearing 41 of the motor are more effectively reduced.
The rear cover 13 is also provided with a rear cover vent hole 130, and cool air is introduced through the air inlet hole 111 of the front cover 11 and discharged through the rear cover vent hole 130.
A high-temperature rolling bearing 41 is arranged between the front end of the rotating shaft 4 and the front cover 11, and a rolling bearing 42 is arranged between the rear end of the rotating shaft 4 and the rear cover 13.
The front end of the rotor component 3 is provided with a plurality of convex columns 31 in a ring shape, and the fan blades 5 are fixed on the convex columns 31. The fan blade 5 is inverted-V-shaped, the middle of the fan blade 5 is provided with a fan blade hole 51 matched with the convex column 31, and two free ends of the fan blade extend outwards to form a fan blade 52. The convex columns 31 are arranged in a pair, and the fan blade holes 51 are also arranged in a pair.
The front cover 11 is provided with a front cover bearing stop collar 112 clamped by the high-temperature rolling bearing 41, the front cover 11 and the front cover bearing stop collar 112 are of an integrated structure, the rear cover 13 is provided with a rear cover bearing stop collar 131 clamped by the rolling bearing 42, and the rear cover 13 and the rear cover bearing stop collar 131 are of an integrated structure.
Claims (6)
1. A high-temperature-resistant motor is characterized by comprising a housing (1), wherein a stator (2) is fixed in the housing (1), a stator hole (21) is formed in the middle of the stator (2), a rotor assembly (3) capable of rotating in the stator hole is inserted into the stator hole (21), a rotating shaft (4) penetrating through the rotor assembly is fixed on the rotor assembly (3), and a plurality of blades (5) surrounding the rotating shaft are fixed at the front end of the rotor assembly (3); the machine shell (1) comprises a machine front cover (11), a machine barrel shell (12) and a machine rear cover (13); the machine barrel shell (12) is provided with a vent hole (121), and the machine front cover (11) is provided with an air inlet hole (111).
2. The high-temperature-resistant motor according to claim 1, wherein a high-temperature rolling bearing (41) is arranged between the front end of the rotating shaft (4) and the front cover (11), and a rolling bearing (42) is arranged between the rear end of the rotating shaft (4) and the rear cover (13).
3. A high-temperature resistant electric machine according to claim 1, characterized in that the machine back cover (13) is provided with back cover ventilation holes (130).
4. The high-temperature-resistant motor according to claim 1, wherein the front end of the rotor assembly (3) is provided with a plurality of protruding columns (31) in a ring shape, and the fan blades (5) are fixed on the protruding columns (31).
5. The high-temperature-resistant motor according to claim 1, wherein the fan blade (5) is inverted-n-shaped, the middle of the fan blade (5) is provided with a fan blade hole (51) matched with the convex column (31), and two free ends of the fan blade extend and are bent outwards to form the fan blade (52).
6. The high-temperature-resistant motor according to claim 1, wherein the front cover (11) is provided with a front cover bearing stop collar (112) for the high-temperature rolling bearing (41) to be clamped in, and the rear cover (13) is provided with a rear cover bearing stop collar (131) for the rolling bearing (42) to be clamped in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921700524.6U CN210518018U (en) | 2019-10-11 | 2019-10-11 | High-temperature-resistant motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921700524.6U CN210518018U (en) | 2019-10-11 | 2019-10-11 | High-temperature-resistant motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210518018U true CN210518018U (en) | 2020-05-12 |
Family
ID=70572646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921700524.6U Active CN210518018U (en) | 2019-10-11 | 2019-10-11 | High-temperature-resistant motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210518018U (en) |
-
2019
- 2019-10-11 CN CN201921700524.6U patent/CN210518018U/en active Active
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