CN211046717U - Permanent magnet direct current motor for industrial ceiling fan - Google Patents
Permanent magnet direct current motor for industrial ceiling fan Download PDFInfo
- Publication number
- CN211046717U CN211046717U CN201922329669.6U CN201922329669U CN211046717U CN 211046717 U CN211046717 U CN 211046717U CN 201922329669 U CN201922329669 U CN 201922329669U CN 211046717 U CN211046717 U CN 211046717U
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- Prior art keywords
- motor
- end cover
- sleeved
- bearing
- shell
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- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a permanent magnet direct current motor for an industrial ceiling fan, which comprises a motor stator, a motor shaft which is arranged on the motor stator in a penetrating way, a shell and a motor outer rotor which is fixed on the inner wall of the shell, wherein the motor stator is arranged in the motor outer rotor; the lower end of the motor shaft is sleeved with a deep groove ball bearing, and a motor lower end cover for sealing an internal device is sleeved on the deep groove ball bearing; the motor shaft is also sleeved with an upper end cover of the motor, and the upper end cover of the motor is positioned at the upper part of the shell; the motor shaft extends out of the upper end cover of the motor and is sleeved with a double-row tapered roller bearing; the bearing pressure plate is covered outside the double-row tapered roller bearing and is fixed on the upper end cover of the motor; and the upper part of the double-row tapered roller bearing is sleeved with a bearing end cover. The upper end cover of the motor is changed into a bidirectional tapered roller bearing structure, so that the stress strength of the outer rotor of the motor is enhanced, and the effect of prolonging the service life of the motor is achieved.
Description
Technical Field
The utility model relates to the technical field of motors, especially a permanent magnet direct current motor for industry ceiling fan.
Background
As shown in fig. 1, the structure of the conventional permanent magnet synchronous motor of a large fan is divided into a motor stator, a motor rotor, a motor upper end cover, a motor lower end cover and two end covers, wherein deep groove ball bearings are used as stressed bearings, the deep groove ball bearings mainly bear radial load and are easy to wear when bearing axial load, and the two bearings are easy to damage when the motor outer rotor rotates and bears radial force and axial force.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the PMSM of current large-scale fan and easily wear and tear when receiving axial load, the fragile problem of bearing provides a permanent magnet direct current motor for industry ceiling fan.
A permanent magnet direct current motor for an industrial ceiling fan comprises a motor stator, a motor shaft, a shell and a motor outer rotor, wherein the motor shaft penetrates through the motor stator, the shell is fixed on the inner wall of the shell, and the motor stator is arranged in the motor outer rotor; the lower end of the motor shaft is sleeved with a deep groove ball bearing, and a motor lower end cover for sealing an internal device is sleeved on the deep groove ball bearing; the motor shaft is also sleeved with an upper end cover of the motor, and the upper end cover of the motor is positioned at the upper part of the shell; the motor shaft extends out of the upper end cover of the motor and is sleeved with a double-row tapered roller bearing; the bearing pressure plate is covered outside the double-row tapered roller bearing and is fixed on the upper end cover of the motor; and the upper part of the double-row tapered roller bearing is sleeved with a bearing end cover.
Furthermore, an excitation coil is arranged on the motor stator.
Further, the motor outer rotor assembly comprises a rotor iron ring arranged on the inner peripheral wall of the shell and permanent magnets arranged on the inner peripheral wall of the rotor iron ring.
Further, the motor upper end cover and the motor lower end cover are installed on the shell through bolts.
An industrial ceiling fan comprises the permanent magnet direct current motor for the industrial ceiling fan.
The utility model has the advantages that: the upper end cover of the motor is changed into a bidirectional tapered roller bearing structure, so that the stress strength of the outer rotor of the motor is enhanced, and the effect of prolonging the service life of the motor is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a motor in the background art;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic view of the explosion mechanism of the present invention;
in the figure, 1-a lower motor end cover, 2-a deep groove ball bearing, 3-an outer motor rotor, 4-a motor stator, 5-an upper motor end cover, 6-a motor shaft, 7-a double-row tapered roller bearing, 8-a bearing pressing plate, 9-a bearing end cover and 10-a shell.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
Example (b):
as shown in fig. 2 to 3, the permanent magnet dc motor for the industrial ceiling fan comprises a motor stator 4, a motor shaft 6 penetrating through the motor stator 4, a housing 10, and a motor outer rotor 3 fixed on the inner wall of the housing 10, wherein the motor stator 4 is disposed in the motor outer rotor 3.
The lower end of the motor shaft 6 is sleeved with a deep groove ball bearing 2, and a motor lower end cover 1 for sealing internal devices is sleeved on the deep groove ball bearing 2; the motor shaft 6 is also sleeved with a motor upper end cover 5, and the motor upper end cover 5 is positioned at the upper part of the shell 10; the motor shaft 6 extends out of the motor upper end cover 5 and is also sleeved with a double-row tapered roller bearing 7; the double-row tapered roller bearing is mainly used for bearing radial and axial combined loads mainly comprising radial loads, can bear axial loads in one direction, and can limit axial displacement of a shaft or a shell in one direction; the bearing pressure plate 8 is covered on the outer side of the double-row tapered roller bearing 7 in a sealing manner and is fixed on the upper end cover 5 of the motor; the bearing pressure plate 8 is used for protecting the double-row tapered roller bearing 7 on one hand, and fixing the double-row tapered roller bearing 7 on the upper end cover 5 of the motor on the other hand; and the upper part of the double-row tapered roller bearing 7 is sleeved with a bearing end cover 9. The upper end cover of the motor is changed into a bidirectional tapered roller bearing structure, so that the stress strength of the outer rotor of the motor is enhanced, and the effect of prolonging the service life of the motor is achieved.
The motor stator 4 is provided with a magnet exciting coil. The excitation coils are uniformly arranged on the motor stator 4.
The motor outer rotor 3 assembly comprises a rotor iron ring arranged on the inner peripheral wall of the shell 10 and permanent magnets arranged on the inner peripheral wall of the rotor iron ring.
The motor upper end cover 5 and the motor lower end cover 1 are installed on the shell 10 through bolts.
An industrial ceiling fan comprises the permanent magnet direct current motor for the industrial ceiling fan.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. The utility model provides a permanent magnet direct current motor for industry ceiling fan which characterized in that: the motor comprises a bearing pressing plate (8), a motor stator (4), a motor shaft (6) which is arranged on the motor stator (4) in a penetrating mode, a shell (10) and a motor outer rotor (3) which is fixed on the inner wall of the shell (10), wherein the motor stator (4) is arranged in the motor outer rotor (3); the lower end of the motor shaft (6) is sleeved with a deep groove ball bearing (2), and a motor lower end cover (1) used for sealing internal devices is sleeved on the deep groove ball bearing (2); the motor shaft (6) is also sleeved with a motor upper end cover (5), and the motor upper end cover (5) is positioned on the upper part of the shell (10); the motor shaft (6) extends out of the upper end cover (5) of the motor and is also sleeved with a double-row tapered roller bearing (7); the bearing pressure plate (8) is covered on the outer side of the double-row tapered roller bearing (7) and is fixed on the upper end cover (5) of the motor; and the upper part of the double-row tapered roller bearing (7) is sleeved with a bearing end cover (9).
2. The permanent magnet DC motor for industrial ceiling fans of claim 1, wherein: and the motor stator (4) is provided with an excitation coil.
3. The permanent magnet DC motor for industrial ceiling fans of claim 1, wherein: the motor outer rotor (3) assembly comprises a rotor iron ring arranged on the inner peripheral wall of the shell (10) and permanent magnets arranged on the inner peripheral wall of the rotor iron ring.
4. The permanent magnet DC motor for industrial ceiling fans of claim 1, wherein: the motor upper end cover (5) and the motor lower end cover (1) are installed on the shell (10) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329669.6U CN211046717U (en) | 2019-12-23 | 2019-12-23 | Permanent magnet direct current motor for industrial ceiling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329669.6U CN211046717U (en) | 2019-12-23 | 2019-12-23 | Permanent magnet direct current motor for industrial ceiling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211046717U true CN211046717U (en) | 2020-07-17 |
Family
ID=71565274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922329669.6U Active CN211046717U (en) | 2019-12-23 | 2019-12-23 | Permanent magnet direct current motor for industrial ceiling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211046717U (en) |
-
2019
- 2019-12-23 CN CN201922329669.6U patent/CN211046717U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231113 Address after: No. 103, 1st Floor, Building 6 and 7, No. 117 Nansan Road, Chengdu Economic and Technological Development Zone (Longquanyi District), Chengdu, Sichuan Province, 610000 Patentee after: Accenture Mechanical Equipment (Chengdu) Co.,Ltd. Address before: D136 Innovation Center, No. 4 Xixin Avenue, High tech Zone, Chengdu, Sichuan, 610041 Patentee before: Dyson Technology Chengdu Co.,Ltd. |
|
| TR01 | Transfer of patent right |