CN214069689U - Novel solid rotor of permanent magnet synchronous motor - Google Patents
Novel solid rotor of permanent magnet synchronous motor Download PDFInfo
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- CN214069689U CN214069689U CN202120012158.6U CN202120012158U CN214069689U CN 214069689 U CN214069689 U CN 214069689U CN 202120012158 U CN202120012158 U CN 202120012158U CN 214069689 U CN214069689 U CN 214069689U
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- ejector pin
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Abstract
The utility model discloses a novel permanent magnet synchronous motor solid rotor, including rotor core, rotor core's middle part is run through and is had the pivot groove, rotor core is close to the ring side equidistance in pivot groove and runs through and has had the permanent magnet groove. The utility model discloses a dead lever that sets up, when needing to change the permanent magnet, rotate the ejector pin, make the ejector pin shift out the transmission groove, along with the removal of ejector pin, make the spring can drive the dead lever and shift out the fixed slot, so that dismantle the permanent magnet, later make the inside that needs installation permanent magnet entering permanent magnet groove, the fixed slot aligns the back with the fixed rod groove, rotate the ejector pin, make the ejector pin produce relative movement through external screw thread and rotor core, make the ejector pin support the inclined plane of sloping block, make the ejector pin drive the sloping block and remove to pivot groove direction, make the sloping block drive the dead lever and run through the inside that the fixed rod groove got into the fixed slot, fix the inside in permanent magnet groove through the dead lever, be convenient for change the permanent magnet.
Description
Technical Field
The utility model relates to a PMSM technical field specifically is a novel PMSM solid rotor.
Background
The permanent magnet synchronous motor is excited by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, the running reliability of the motor is improved, and when the permanent magnet synchronous motor is used, a solid rotor is required to be used for installing the permanent magnet.
Although the types and the number of the solid rotors of the existing permanent magnet synchronous motor are very large, the solid rotors of the existing permanent magnet synchronous motor still have certain problems, and certain inconvenience is brought to the use of the solid rotors of the permanent magnet synchronous motor.
When the existing solid rotor of the permanent magnet synchronous motor is used, the permanent magnet is mostly installed through gluing, but when the permanent magnet is damaged, the permanent magnet is inconvenient to replace and use, so that the technology capable of improving the structure of the solid rotor of the permanent magnet synchronous motor is urgently needed to perfect the device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel solid rotor of PMSM has solved current solid rotor of PMSM and when using, has mostly installed the permanent magnet through the veneer, and when nevertheless the permanent magnet damaged, inconvenient change the permanent magnet, the problem of inconvenient use.
In order to achieve the above object, the utility model provides a following technical scheme: a novel solid rotor of a permanent magnet synchronous motor comprises a rotor core, wherein a rotating shaft groove penetrates through the middle part of the rotor core, permanent magnet grooves penetrate through the ring side of the rotor core, which is close to the rotating shaft groove, at equal intervals, wherein,
the permanent magnet slot is internally provided with a permanent magnet, a positioning block is fixed in the middle of the inner side of the rotor core corresponding to the permanent magnet slot, one side of the permanent magnet corresponding to the positioning block is provided with a positioning slot, one side of the permanent magnet corresponding to the rotating shaft slot is symmetrically provided with a fixing slot, the rotor core corresponding to the fixing slot is internally provided with a transmission slot, and the transmission slot is communicated with the permanent magnet slot through a fixing rod slot;
the inside in transmission groove is provided with the sloping block, one side that the sloping block corresponds the fixed rod groove is fixed with the dead lever, the cover has the spring on the dead lever between sloping block to the fixed rod groove, one side threaded connection that rotor core is close to the sloping block has the ejector pin, the one end that the transmission groove was kept away from to the ejector pin runs through the inside of rotor core and extends to the outside, the one end that the transmission groove was kept away from to the ejector pin is fixed with the knob.
Preferably, the number of the permanent magnet grooves is eight, and the eight permanent magnet grooves are arranged in an annular array by taking the rotating shaft groove as the center.
Preferably, the cross section of the positioning block is an arc-shaped elastic sheet, the external size of the positioning block is matched with the internal size of the positioning groove, and the positioning block and the positioning groove form a positioning structure.
Preferably, the oblique block is elastically connected with the rotor core through a spring.
Preferably, one side of the inclined block, which is close to the ejector rod, is an inclined surface, and the vertical height of the inclined surface of the inclined block is greater than the length of the fixed rod extending out of the fixed rod groove.
Preferably, the fixing rod is a cylinder, and the outer diameter of the fixing rod is matched with the inner diameter of the fixing groove.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a dead lever that sets up, when needing to change the permanent magnet, rotate the ejector pin, make the ejector pin shift out the transmission groove, along with the removal of ejector pin, make the spring can drive the dead lever and shift out the fixed slot, so that dismantle the permanent magnet, later make the inside that needs installation permanent magnet entering permanent magnet groove, the fixed slot aligns the back with the fixed rod groove, rotate the ejector pin, make the ejector pin produce relative movement through external screw thread and rotor core, make the ejector pin support the inclined plane of sloping block, make the ejector pin drive the sloping block and remove to pivot groove direction, make the sloping block drive the dead lever and run through the inside that the fixed rod groove got into the fixed slot, fix the inside in permanent magnet groove through the dead lever, be convenient for change the permanent magnet.
2. The utility model discloses a locating piece that sets up, when the installation permanent magnet, make the permanent magnet get into the inside in permanent magnet groove, make the permanent magnet support the locating piece, make locating piece compressive deformation, after the permanent magnet gets into the inside in permanent magnet groove completely, the locating piece just aligns with the constant head tank, makes the locating piece support the constant head tank, through the location structure that locating piece and constant head tank constitute, fixes a position the installation of permanent magnet, makes fixed slot and fixed rod groove just align.
Drawings
FIG. 1 is a schematic structural view of the side view of the present invention;
FIG. 2 is a schematic view of the novel front-view section structure of the present invention;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the enlarged structure of the part B in fig. 2 according to the present invention.
In the figure: 1. a rotor core; 2. a rotating shaft groove; 3. a permanent magnet slot; 4. a permanent magnet; 5. positioning blocks; 6. positioning a groove; 7. fixing grooves; 8. a transmission groove; 9. a fixed rod slot; 10. a sloping block; 11. fixing the rod; 12. a spring; 13. a top rod; 14. a knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a novel permanent magnet synchronous motor solid rotor comprises a rotor core 1, a rotating shaft groove 2, permanent magnet grooves 3, permanent magnets 4, a positioning block 5, a positioning groove 6, a fixing groove 7, a transmission groove 8, a fixing rod groove 9, an inclined block 10, a fixing rod 11, springs 12, a push rod 13 and a knob 14, wherein the rotating shaft groove 2 penetrates through the middle part of the rotor core 1, the permanent magnet grooves 3 penetrate through the ring side of the rotor core 1 close to the rotating shaft groove 2 at equal intervals, the number of the permanent magnet grooves 3 is eight, and the eight permanent magnet grooves 3 are distributed in an annular array by taking the rotating shaft groove 2 as the center,
the permanent magnet groove 3 is internally provided with a permanent magnet 4, the rotor core 1 is fixed with a positioning block 5 corresponding to the middle part of the inner side of the permanent magnet groove 3, the section of the positioning block 5 is an arc-shaped elastic sheet, the external dimension of the positioning block 5 is matched with the internal dimension of the positioning groove 6, the positioning block 5 and the positioning groove 6 form a positioning structure, when the permanent magnet 4 is installed, the permanent magnet 4 enters the permanent magnet groove 3, the permanent magnet 4 is abutted against the positioning block 5, the positioning block 5 is compressed and deformed, after the permanent magnet 4 completely enters the permanent magnet groove 3, the positioning block 5 is exactly aligned with the positioning groove 6, the positioning block 5 is abutted against the positioning groove 6, the permanent magnet 4 is positioned through the positioning structure formed by the positioning block 5 and the positioning groove 6, the fixing groove 7 is exactly aligned with the fixing rod groove 9, one side of the permanent magnet 4 corresponding to the positioning block 5 is provided with the positioning groove 6, one side of the permanent magnet 4 corresponding to the rotating shaft groove 2 is symmetrically provided with a fixed groove 7, the rotor core 1 corresponding to the fixed groove 7 is internally provided with a transmission groove 8, and the transmission groove 8 is communicated with the permanent magnet groove 3 through a fixed rod groove 9;
the inner part of the transmission groove 8 is provided with an inclined block 10, the inclined block 10 is elastically connected with the rotor core 1 through a spring 12, one side of the inclined block 10, which is close to the ejector rod 13, is an inclined plane, the vertical height of the inclined plane of the inclined block 10 is larger than the length of the fixed rod 11, which extends out of the fixed rod groove 9, when the inclined block 10 drives the fixed rod 11 to penetrate through the fixed rod groove 9 and enter the inner part of the fixed groove 7, the spring 12 is compressed, when the permanent magnet 4 needs to be disassembled, the ejector rod 13 is rotated to enable the ejector rod 13 to move out of the transmission groove 8, the spring 12 can drive the fixed rod 11 to move out of the fixed groove 7 along with the movement of the ejector rod 13, so as to disassemble the permanent magnet 4, one side of the inclined block 10, which corresponds to the fixed rod groove 9, is fixed with the fixed rod 11, the fixed rod 11 is a cylinder, the outer diameter of the fixed rod 11 is matched with the inner diameter of the fixed groove 7, when the fixed groove 7 is aligned with the fixed rod groove 9, rotate ejector pin 13, make ejector pin 13 produce relative movement through external screw thread and rotor core 1, make ejector pin 13 support the inclined plane of sloping block 10, make ejector pin 13 drive sloping block 10 and move to 2 directions in pivot groove, make sloping block 10 drive dead lever 11 and run through the inside that fixed rod groove 9 got into fixed slot 7, fix permanent magnet 4 in the inside of permanent magnet groove 3 through dead lever 11, be convenient for install permanent magnet 4, the cover has spring 12 on the dead lever 11 between sloping block 10 to the fixed rod groove 9, one side threaded connection that rotor core 1 is close to sloping block 10 has ejector pin 13, the one end that transmission groove 8 was kept away from to ejector pin 13 runs through the inside of rotor core 1 and extends to the outside, the one end that transmission groove 8 was kept away from to ejector pin 13 is fixed with knob 14.
The working principle is as follows: the novel solid rotor of the permanent magnet synchronous motor comprises a transmission groove 8, a spring 12 capable of driving a fixing rod 11 to move out of a fixing groove 7 along with the movement of an ejector rod 13, so as to detach a permanent magnet 4, a push rod 13 capable of being rotated when the permanent magnet 4 needs to be replaced, the permanent magnet 13 to be installed enters the permanent magnet groove 3, the permanent magnet 4 to be installed is abutted against a positioning block 5, the positioning block 5 is compressed and deformed, after the permanent magnet 4 completely enters the permanent magnet groove 3, the positioning block 5 is exactly aligned with a positioning groove 6, the positioning block 5 is abutted against the positioning groove 6, the installation of the permanent magnet 4 is positioned through a positioning structure formed by the positioning block 5 and the positioning groove 6, the fixing groove 7 is exactly aligned with a fixing rod groove 9, after the fixing groove 7 is aligned with the fixing rod groove 9, the ejector rod 13 is rotated, so that the push rod 13 and a rotor core 1 generate relative movement through external threads, make ejector pin 13 support the inclined plane of sloping block 10, make ejector pin 13 drive sloping block 10 and move to 2 directions in pivot groove, make sloping block 10 drive dead lever 11 and run through the inside that fixed rod groove 9 got into fixed slot 7, fix permanent magnet 4 in the inside in permanent magnet groove 3 through dead lever 11, be convenient for install permanent magnet 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel solid rotor of PMSM, includes rotor core (1), pivot groove (2), permanent magnet groove (3), permanent magnet (4), locating piece (5), constant head tank (6), fixed slot (7), transmission groove (8), fixed rod groove (9), sloping block (10), dead lever (11), spring (12), ejector pin (13) and knob (14), its characterized in that: a rotating shaft groove (2) penetrates through the middle part of the rotor iron core (1), permanent magnet grooves (3) penetrate through the ring side of the rotor iron core (1) close to the rotating shaft groove (2) at equal intervals, wherein,
a permanent magnet (4) is arranged in the permanent magnet groove (3), a positioning block (5) is fixed in the middle of the inner side of the rotor core (1) corresponding to the permanent magnet groove (3), a positioning groove (6) is formed in one side of the permanent magnet (4) corresponding to the positioning block (5), fixing grooves (7) are symmetrically formed in one side of the permanent magnet (4) corresponding to the rotating shaft groove (2), a transmission groove (8) is formed in the rotor core (1) corresponding to the fixing groove (7), and the transmission groove (8) is communicated with the permanent magnet groove (3) through a fixing rod groove (9);
the inside in transmission groove (8) is provided with sloping block (10), one side that sloping block (10) corresponds fixed rod groove (9) is fixed with dead lever (11), the cover has spring (12) on dead lever (11) between sloping block (10) to fixed rod groove (9), one side threaded connection that rotor core (1) is close to sloping block (10) has ejector pin (13), the inside that transmission groove (8) were run through rotor core (1) is extended to the outside in one end that transmission groove (8) were kept away from in ejector pin (13), the one end that transmission groove (8) were kept away from in ejector pin (13) is fixed with knob (14).
2. The novel solid rotor of the permanent magnet synchronous motor as claimed in claim 1, wherein: the number of the permanent magnet grooves (3) is eight, and the eight permanent magnet grooves (3) are arranged in an annular array by taking the rotating shaft groove (2) as the center.
3. The novel solid rotor of the permanent magnet synchronous motor as claimed in claim 1, wherein: the cross section of the positioning block (5) is an arc-shaped elastic sheet, the external size of the positioning block (5) is matched with the internal size of the positioning groove (6), and the positioning block (5) and the positioning groove (6) form a positioning structure.
4. The novel solid rotor of the permanent magnet synchronous motor as claimed in claim 1, wherein: the inclined block (10) is elastically connected with the rotor iron core (1) through a spring (12).
5. The novel solid rotor of the permanent magnet synchronous motor as claimed in claim 1, wherein: one side of the inclined block (10) close to the ejector rod (13) is an inclined surface, and the vertical height of the inclined surface of the inclined block (10) is greater than the length of the fixed rod (11) extending out of the fixed rod groove (9).
6. The novel solid rotor of the permanent magnet synchronous motor as claimed in claim 1, wherein: the fixing rod (11) is a cylinder, and the outer diameter of the fixing rod (11) is matched with the inner diameter of the fixing groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120012158.6U CN214069689U (en) | 2021-01-05 | 2021-01-05 | Novel solid rotor of permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120012158.6U CN214069689U (en) | 2021-01-05 | 2021-01-05 | Novel solid rotor of permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214069689U true CN214069689U (en) | 2021-08-27 |
Family
ID=77368888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120012158.6U Active CN214069689U (en) | 2021-01-05 | 2021-01-05 | Novel solid rotor of permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214069689U (en) |
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2021
- 2021-01-05 CN CN202120012158.6U patent/CN214069689U/en active Active
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