CN211606269U - Novel coreless brushless motor - Google Patents
Novel coreless brushless motor Download PDFInfo
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- CN211606269U CN211606269U CN202020309674.0U CN202020309674U CN211606269U CN 211606269 U CN211606269 U CN 211606269U CN 202020309674 U CN202020309674 U CN 202020309674U CN 211606269 U CN211606269 U CN 211606269U
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Abstract
The utility model discloses a novel coreless brushless motor, which comprises a motor shell, a stator and a magnetic steel rotor which are arranged from outside to inside in sequence, wherein the stator comprises an iron core and a coil, the coil is wound on the iron core, the novel coreless brushless motor also comprises a motor rear bearing seat and a front bearing end cover, one end of the motor shell is in interference fit with the motor rear bearing seat, the inner surface of the other end of the motor shell is provided with an internal thread which is in threaded connection with the front bearing end cover, by adopting the technical scheme, when the novel coreless brushless motor is used, the front bearing end cover can process the connecting piece once, so that the device and other accessories have higher concentricity, the arrangement of a spring eliminates the clearance between the inner ring and the outer ring of the first bearing and the second bearing, effectively eliminates the noise of the first bearing and the second bearing, improves the service life of the bearing, the interference fit of the motor shell and the motor rear bearing seat, and the threaded, the device can be detached without the help of a detaching tool, and the maintenance process is more convenient.
Description
Technical Field
The utility model relates to a coreless brushless motor field, in particular to novel coreless brushless motor.
Background
The hollow cup motor belongs to a direct current permanent magnet servo and control motor, and can also be classified as a micro special motor. The hollow cup motor has the advantages of outstanding energy-saving characteristic, sensitive and convenient control characteristic and stable operation characteristic, and the technical advancement is very obvious. As a high-efficiency energy conversion device, the development direction of motors is represented in many fields, and the coreless motor structurally breaks through the structural form of a rotor of a traditional motor and adopts a coreless rotor, namely a coreless rotor. The novel rotor structure thoroughly eliminates the electric energy loss caused by the eddy current formed by the iron core, at present, the shell and the front bearing end cover of the coreless brushless motor on the market are usually fixed by a plurality of small screws, but the small screws are easy to loosen and break, and the maintenance process needs to use a special disassembling tool for disassembling, so that the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a novel coreless brushless motor to solve the above-mentioned defect that exists among the background art.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a novel coreless brushless motor, includes motor housing, stator and the magnet steel rotor that sets up in proper order from outer to inner, the stator includes iron core and coil, the coil winding is in on the iron core, still include motor rear axle bearing and front bearing end cover, motor housing's one end with motor rear axle bearing interference fit, motor housing's other end internal surface is equipped with the internal thread, with front bearing end cover threaded connection, motor rear axle bearing is close to install first bearing in motor housing's the one end, just the inner wall of first bearing cup joints magnet steel rotor's one end, the front bearing end cover is close to install the second bearing in motor housing's the one end, the inner wall of second bearing cup joints magnet steel rotor's the other end, just the second bearing with be equipped with the spring between the magnet steel rotor.
Preferably, the inner surface of the motor shell is coated with high-temperature-resistant glue to be glued with the stator.
Preferably, the motor casing, the stator and the magnetic steel rotor are concentrically arranged.
Adopt above-mentioned technical scheme, when using this novel coreless brushless motor, the front bearing end cover can be accomplished connecting piece one-time processing, make the device have higher concentricity with other accessories, the outer lane clearance in first bearing and the second bearing has been eliminated in the setting of spring, the noise of first bearing and second bearing has effectively been eliminated, and the life-span of bearing has been improved, the interference fit of motor housing and motor rear axle seat, make the device dismantle with the help of extracting tool, the maintenance process is more convenient.
Drawings
FIG. 1 is a schematic structural diagram of a novel coreless brushless motor;
FIG. 2 is a cross-sectional view of a novel coreless brushless motor;
fig. 3 is an exploded view of a novel coreless brushless motor.
In the figure, 1-a motor rear bearing seat, 2-a motor shell, 3-a stator, 4-a first bearing, 5-a magnetic steel rotor, 6-a spring, 7-a second bearing and 8-a front bearing end cover.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 3, the utility model provides a novel coreless brushless motor, which comprises a motor casing 2, a stator 3 and a magnetic steel rotor 5 arranged from outside to inside in sequence, wherein the stator 3 comprises an iron core and a coil wound on the iron core, the stator 3 and the magnetic steel rotor 5 are matched to drive the device to rotate, the coreless brushless motor also comprises a motor rear bearing seat 1 and a front bearing end cover 8, one end of the motor casing 2 is in interference fit with the motor rear bearing seat 1, the motor rear bearing seat 1 can be conveniently disassembled from the motor casing 2, the inner surface of the other end of the motor casing 2 is provided with an internal thread which is in threaded connection with the front bearing end cover 8, the front bearing end cover 8 is conveniently disassembled from the motor casing 2, a first bearing 4 is arranged in one end of the motor rear bearing seat 1 close to the motor casing 2, the inner wall of the first bearing 4 is sleeved with one end of the magnetic steel rotor 5, a second bearing 7 is arranged in one, the other end of magnet steel rotor 5 is cup jointed to the inner wall of second bearing 7, and be equipped with spring 6 between second bearing 7 and magnet steel rotor 5, the outer lane clearance in first bearing 4 and the 7 second bearings has been eliminated to spring 6, the noise of first bearing 4 and second bearing 7 has effectively been eliminated, and the life-span of bearing has been improved, when using this novel coreless brushless motor, front bearing end cover 8 can once process the completion with the connecting piece, make the device have higher concentricity with other accessories, the outer lane clearance in first bearing 4 and the 7 second bearings is eliminated in spring 6's setting, the noise of first bearing 4 and second bearing 7 has effectively been eliminated, and the life-span of bearing has been improved, motor housing 2 and 1 interference fit of motor rear bearing frame, make the device dismantle with the help of not the extracting tool.
When using this novel coreless brushless motor, front bearing end cover 8 can once process the connecting piece and accomplish, make the device have higher concentricity with other accessories, the first bearing 4 and the 7 interior outer lane clearances of second bearing have been eliminated in the setting of spring 6, the noise of first bearing 4 and second bearing 7 has effectively been eliminated, and the life-span of bearing has been improved, the interference fit of motor housing 2 and motor rear bearing frame 1, make the device can dismantle with the help of extracting tool not.
In this embodiment, the inner surface of the motor housing 2 is coated with the high temperature resistant glue and glued with the stator 3, so that the motor housing 2 and the stator 3 are not easy to loosen due to high temperature, and the service life of the device is prolonged.
In this embodiment, the motor casing 2, the stator 3 and the magnetic steel rotor 5 are concentrically arranged.
When using this novel coreless brushless motor, front bearing end housing 8 can once process the connecting piece and accomplish, make the device have higher concentricity with other accessories, the outer lane clearance in first bearing 4 and the 7 second bearings has been eliminated in the setting of spring 6, the noise of first bearing 4 and second bearings 7 has effectively been eliminated, and the life-span of bearing has been improved, the interference fit of motor housing 2 and motor rear axle bearing 1, motor housing 2 and motor front bearing end housing 8's screw-thread fit, make the device dismantle with the help of extracting tool, the maintenance process is more convenient.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (3)
1. A novel coreless brushless motor comprises a motor shell, a stator and a magnetic steel rotor which are arranged from outside to inside in sequence, wherein the stator comprises an iron core and a coil, the coil is wound on the iron core, it is characterized by also comprising a motor rear bearing seat and a front bearing end cover, wherein one end of the motor shell is in interference fit with the motor rear bearing seat, the inner surface of the other end of the motor shell is provided with an internal thread, is in threaded connection with the front bearing end cover, a first bearing is arranged in one end of the motor rear bearing seat close to the motor shell, the inner wall of the first bearing is sleeved with one end of the magnetic steel rotor, a second bearing is arranged in one end of the front bearing end cover close to the motor shell, the inner wall of the second bearing is sleeved with the other end of the magnetic steel rotor, and a spring is arranged between the second bearing and the magnetic steel rotor.
2. The novel coreless brushless motor of claim 1, wherein: the inner surface of the motor shell is coated with high-temperature-resistant glue which is glued with the stator.
3. The novel coreless brushless motor of claim 1, wherein: the motor shell, the stator and the magnetic steel rotor are concentrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020309674.0U CN211606269U (en) | 2020-03-12 | 2020-03-12 | Novel coreless brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020309674.0U CN211606269U (en) | 2020-03-12 | 2020-03-12 | Novel coreless brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211606269U true CN211606269U (en) | 2020-09-29 |
Family
ID=72580698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020309674.0U Active CN211606269U (en) | 2020-03-12 | 2020-03-12 | Novel coreless brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211606269U (en) |
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2020
- 2020-03-12 CN CN202020309674.0U patent/CN211606269U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210401 Address after: Room 101-2, 1st floor, building 1-2, Wuyi Zhigu Software Park, 1 Tongyou street, Jianyang District, Nanping City, Fujian Province 354200 Patentee after: Fujian Aite Precision Machinery Co.,Ltd. Address before: 350002 2 / F, standard workshop, building 10, No.7 Jinzhou North Road, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province Patentee before: FUZHOU AITE PRECISION MACHINERY Co.,Ltd. |