CN218633526U - Novel rear end cover of permanent magnet synchronous motor - Google Patents
Novel rear end cover of permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN218633526U CN218633526U CN202222877046.4U CN202222877046U CN218633526U CN 218633526 U CN218633526 U CN 218633526U CN 202222877046 U CN202222877046 U CN 202222877046U CN 218633526 U CN218633526 U CN 218633526U
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- end cover
- rear end
- rotor
- permanent magnet
- cover body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a novel rear end cover of a permanent magnet synchronous motor, which comprises a casing, a wound stator, a front end cover, a rear end cover and a rotor provided with a permanent magnet, wherein the wound stator is fixed in the casing, and the rear end cover is fixedly assembled with the casing; comprises a rear end cover body; a bearing mounting hole is formed in the center of the end face of the rear end cover body; a fixed seat is arranged at a four-axis convex position on the outer side of the rear end cover body, and a through hole is formed in the fixed seat; an inner spigot is arranged on the inner end face of the rear end cover body; and the end face of the rear end cover body is also provided with a guide hole. The utility model has novel structure design and simple structure, and the rotor can be controlled to enter the stator cavity through the guide hole during assembly, so that the rotor cannot be sucked and cannot be installed continuously; the assembly quality is greatly improved, the accidents that the rotor is damaged due to no guide and positioning and is sucked are reduced, the assembly efficiency and the assembly quality are greatly improved, and the labor intensity of workers is reduced.
Description
Technical Field
The utility model relates to a novel rear end cap of PMSM belongs to PMSM part technical field.
Background
The permanent magnet synchronous motor is a synchronous motor, wherein a rotor uses a permanent magnet to replace a winding, an excitation magnetic field is established by using the permanent magnet, a stator of the synchronous motor generates a rotating magnetic field, and the rotor is made of a permanent magnet material. The permanent magnet motor has main structural components such as a machine shell, front and rear end covers, a stator, a rotor and the like, wherein the stator is fixed inside the machine shell, and the rotor is provided with a permanent magnet, so that the rotor has strong adsorption force, the rotor is easy to deviate in the assembling process and collide with the stator, the normal assembling cannot be carried out in place, the assembling efficiency is low, the scrap is even, and the working hours are wasted. For the above reasons, it is necessary to improve the internal structure of the existing permanent magnet synchronous motor, which is difficult to assemble.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a novel rear end cap of PMSM to solve above-mentioned technical problem.
In order to realize the purpose, the utility model discloses a technical scheme is: a novel rear end cover of a permanent magnet synchronous motor comprises a shell, a winding stator, a front end cover, a rear end cover and a rotor provided with a permanent magnet, wherein the winding stator is fixed in the shell, the rear end cover is fixedly assembled with the shell, the rotor is guided when the rotor is assembled, and meanwhile, the front end cover and the rear end cover support the rotor; the novel end cover is characterized by comprising a rear end cover body; a bearing mounting hole is formed in the center of the end face of the rear end cover body; a fixed seat is arranged at the four-axis convex position on the outer side of the rear end cover body, and a through hole is formed in the fixed seat; an inner spigot is arranged on the inner end face of the rear end cover body; and guide holes are also formed in the end face of the rear end cover body.
Furthermore, the fixing base is provided with 4 altogether, and four fixing bases evenly distributed are in four extreme angle departments of rear end cover body.
Furthermore, the guiding holes are provided with 6 guiding holes which are evenly distributed at equal angles, and the guiding holes need to be screwed and sealed by headless nuts and coated with thread sealing glue.
Furthermore, an inner spigot on the rear end cover body is used for being assembled with a corresponding outer spigot on the axial end face of the shell of the permanent magnet motor, the through hole is fastened with the shell through bolts, and a rotor guide rod is inserted into the guide hole = to axially position the rotor with the permanent magnet.
The beneficial effects of the utility model are that: the structure is novel in design and simple in structure, and the rotor can be controlled to enter the inner cavity of the stator through the guide hole during assembly, so that the rotor cannot be sucked and cannot be continuously installed; after the rotor is installed in place, a headless nut is adopted to screw up and seal, and thread sealant is coated, so that the original protection grade of the motor is effectively guaranteed; the permanent magnet synchronous motor with the rear end cover greatly improves the assembly quality, reduces the accidents that the rotor is damaged due to no guide and positioning and is sucked, greatly improves the assembly efficiency and the assembly quality, and simultaneously lightens the labor intensity of workers.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 isbase:Sub>A schematic structural view ofbase:Sub>A-base:Sub>A of fig. 1 according to the present invention.
In the figure: 1. rear end cover body, 2, bearing mounting hole, 3, fixing base, 4, through-hole, 5, internal spigot, 6, guiding hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1 and fig. 2, the utility model provides a technical solution: the utility model provides a rear end cover, includes rear end cover body 1, its characterized in that, 1 terminal surface center of rear end cover body is provided with bearing mounting hole 2, 1 outside of rear end cover body is provided with fixing base 3 all around the protruding department, and has seted up through-hole 4 on the fixing base 3, be provided with interior tang 5 on the terminal surface in the rear end cover body 1, still arranged guiding hole 6 on the 1 terminal surface of rear end cover body.
Preferably, the fixing seats 3 are provided with four fixing seats 3, and the four fixing seats 3 are perpendicular to each other.
In the present embodiment, the guide holes 6 are threaded holes, six guide holes 6 are provided, and the six guide holes 6 are arranged at equal angles.
In the preferred embodiment, the inner spigot 5 on the rear end cover body 1 is used for being assembled with the corresponding outer spigot on the axial end face of the permanent magnet motor shell, the through hole 4 is fastened with the shell through bolts, the rotor guide rod is inserted into the guide hole 6 to axially position the rotor provided with the permanent magnet, the coaxiality of the rotor during assembly is ensured, and the rotor is controlled not to be sucked by the stator to cause collision.
In the preferred embodiment, after the rotor provided with the permanent magnet is installed in place, the guide hole 6 needs to be screwed and sealed by a headless nut and coated with thread sealant, so that the integral protection level of the motor is ensured.
The structure discloses a three-phase induction motor, which comprises a shell, a winding stator, front and rear end covers and a rotor provided with a permanent magnet, wherein the winding stator is fixed inside the shell, the rear end cover is assembled and fixed with the shell, a guiding effect is realized on the rotor during the assembly of the rotor, and meanwhile, the front and rear end covers support the rotor.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (4)
1. A novel rear end cover of a permanent magnet synchronous motor comprises a shell, a winding stator, a front end cover, a rear end cover and a rotor provided with a permanent magnet, wherein the winding stator is fixed in the shell, the rear end cover is fixedly assembled with the shell, the rotor is guided when the rotor is assembled, and meanwhile, the front end cover and the rear end cover support the rotor; the novel end cover is characterized by comprising a rear end cover body (1); a bearing mounting hole (2) is formed in the center of the end face of the rear end cover body (1); a fixed seat (3) is arranged at four-axis convex positions on the outer side of the rear end cover body (1), and a through hole (4) is formed in the fixed seat (3); an inner spigot (5) is arranged on the inner end face of the rear end cover body (1); and the end face of the rear end cover body (1) is also provided with a guide hole (6).
2. The novel rear end cover of the permanent magnet synchronous motor according to claim 1, wherein the number of the fixing seats (3) is 4, and the four fixing seats (3) are uniformly distributed at four corners of the rear end cover body (1).
3. The novel rear end cover of the permanent magnet synchronous motor as claimed in claim 1, wherein the number of the guide holes (6) is 6, the guide holes are evenly distributed at equal angles, the guide holes (6) are tightly screwed and sealed by headless nuts, and thread sealing glue is coated.
4. The novel rear end cover of the permanent magnet synchronous motor according to claim 1, wherein the inner spigot (5) on the rear end cover body (1) is used for being assembled with a corresponding outer spigot on an axial end face of a casing of the permanent magnet synchronous motor, the through hole (4) is fastened with the casing through bolts, and a rotor guide rod is inserted into the guide hole (6) to axially position a rotor provided with permanent magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222877046.4U CN218633526U (en) | 2022-10-31 | 2022-10-31 | Novel rear end cover of permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222877046.4U CN218633526U (en) | 2022-10-31 | 2022-10-31 | Novel rear end cover of permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218633526U true CN218633526U (en) | 2023-03-14 |
Family
ID=85474101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222877046.4U Active CN218633526U (en) | 2022-10-31 | 2022-10-31 | Novel rear end cover of permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218633526U (en) |
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2022
- 2022-10-31 CN CN202222877046.4U patent/CN218633526U/en active Active
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