CN212323875U - Claw pole type permanent magnet synchronous motor with good heat dissipation performance - Google Patents
Claw pole type permanent magnet synchronous motor with good heat dissipation performance Download PDFInfo
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- CN212323875U CN212323875U CN202021553575.3U CN202021553575U CN212323875U CN 212323875 U CN212323875 U CN 212323875U CN 202021553575 U CN202021553575 U CN 202021553575U CN 212323875 U CN212323875 U CN 212323875U
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Abstract
The utility model discloses a good heat dissipation's claw utmost point formula permanent magnet synchronous motor, which comprises an outer shell, the end cover, the coil skeleton, the lower carriage, the magnetic ring subassembly, the upper bracket, the transmission gear is vice, main shaft and output shaft, the end cover cooperatees with the top of shell, the coil skeleton is located in the shell, the lower carriage cooperatees with the coil skeleton, magnetic ring subassembly cover is established on the lower carriage, the spindle sleeve is established on the magnetic ring subassembly, the upper bracket is fixed mutually with the lower carriage, the transmission gear is vice to be located between end cover and the upper bracket, output shaft one end is located on the upper bracket, the other end runs through and stretches out behind the end cover, the bottom surface of shell is located to the main shaft, the ventilation hole has been seted up in the outside. Through being equipped with the ventilation hole between the up end of coil skeleton and lower terminal surface, can be so that the heat that produces when corresponding part rotates at a high speed in the shell can in time spill through the ventilation hole, effectively prevented that the shell internal temperature is too high, avoided each part overheat phenomenon to appear in the shell to holistic life has been improved.
Description
Technical Field
The utility model belongs to the motor field especially relates to a good heat dissipation's claw utmost point formula PMSM.
Background
At present, claw-pole permanent magnet synchronous motors are widely applied to various fields, such as rotary electric fans, cooling and heating fans, mahjong machines, various automatic instruments of constant-speed or low-speed devices, science and education instruments and automatic curtain machines. The claw-pole permanent magnet synchronous motor has high reliability and low noise, and is widely applied. However, after the existing claw-pole permanent magnet synchronous motor works, when the generated heat is higher, the torque can be greatly reduced, and when the whole machine product is used, the torque is weakened, so that the carrier cannot be normally driven to rotate, and the service life of the product is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can solve the good heat dissipation's of at least one in the above-mentioned problem claw utmost point formula permanent magnet synchronous motor.
According to the utility model discloses an aspect, a good heat dissipation's claw utmost point formula permanent magnet synchronous motor is provided, which comprises an outer shell, the end cover, the coil skeleton, the lower carriage, the magnetic ring subassembly, the upper bracket, the transmission gear is vice, main shaft and output shaft, the end cover cooperatees with the top of shell, the coil skeleton is located in the shell, the lower carriage cooperatees with the coil skeleton, the magnetic ring subassembly cover is established on the lower carriage, the spindle cover is established on the magnetic ring subassembly, the upper bracket is fixed mutually with the lower carriage, the transmission gear is vice to be located between end cover and the upper bracket, output shaft one end is located on the upper bracket, the other end runs through and stretches out behind the end cover, the bottom surface of shell is located to the main shaft, the ventilation hole has been seted up.
The utility model has the advantages that: through being equipped with the ventilation hole between the up end of coil skeleton and lower terminal surface, can be so that the heat that produces when corresponding part rotates at a high speed in the shell can in time spill through the ventilation hole, effectively prevented that the shell internal temperature is too high, avoided each part overheat phenomenon to appear in the shell to holistic life has been improved.
In some embodiments, the claw-pole permanent magnet synchronous motor with good heat dissipation performance further includes a terminal cover, the terminal cover is matched with the coil framework, a side wall of the terminal cover is attached to an inner wall of the housing, the housing is provided with a vent hole, and the vent hole is located between an upper end face and a lower end face of the coil framework. From this, be equipped with the terminal lid for the terminal lid cooperatees with the coil skeleton, has realized the inseparable cooperation of coil skeleton with the shell inner wall, improves the leakproofness of cooperation department.
In some embodiments, the lower end surface of the coil bobbin is provided with a wire outlet hole. Therefore, external wires can be conveniently routed through the wire outlet holes, the upper end face of the coil framework is not affected by the external wires, and the matching tightness of the upper end face of the coil framework and the shell is ensured.
In some embodiments, the upper end surface of the bobbin includes an arc-shaped side that fits the inner wall of the housing, and a straight side that fits the terminal cover. Therefore, the terminal cover can be conveniently matched with the upper end face of the coil framework.
In some embodiments, the bottom of the lower bracket is provided with a plurality of mounting posts, and the mounting posts are sleeved in the coil framework. Therefore, the installation column is arranged, and the lower support and the coil framework can be conveniently installed and matched.
In some embodiments, the transmission gear pair includes four gears and four gear shafts, the four gears are respectively disposed on the upper bracket through the corresponding gear shafts, one end of each gear shaft is disposed on the upper bracket, and the other end of each gear shaft is disposed on the end cover. Therefore, the installation of each gear can be facilitated.
In some embodiments, the claw-pole permanent magnet synchronous motor with good heat dissipation performance further comprises an output gear, and the output gear is sleeved on the output shaft. Therefore, the output gear can drive the output shaft to rotate conveniently, and power output is realized.
In some embodiments, the claw-pole permanent magnet synchronous motor with good heat dissipation performance further comprises a gasket, and the bottom end of the main shaft extends out of the bottom surface of the shell and is fixed with the gasket. From this, be equipped with the gasket through the bottom at the main shaft for the main shaft passes through the gasket to be fixed on the shell, thereby makes main shaft and shell not adopt current welded fastening, consequently, there is certain clearance main shaft and shell fixed cooperation department, makes each corresponding part in the shell when rotating, has avoided driving rocking of whole shell through the main shaft, improves holistic stability, increases the intensity of main shaft, does benefit to and improves holistic life.
In some embodiments, a clamping groove is formed in the bottom end of the main shaft, the gasket is provided with a through hole, the through hole is sleeved outside the clamping groove, and the outer diameter of the main shaft is larger than the inner diameter of the through hole. Therefore, the spindle and the clamping groove can be conveniently fixed by arranging the clamping groove, so that the spindle is fixed on the shell.
Drawings
Fig. 1 is a schematic view of an embodiment of a claw-pole permanent magnet synchronous motor with good heat dissipation performance according to the present invention;
fig. 2 is a schematic view of another embodiment of the claw-pole permanent magnet synchronous motor with good heat dissipation performance, which does not include a spacer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Refer to fig. 1 and 2. The claw-pole permanent magnet synchronous motor with good heat dissipation performance comprises a shell 1, an end cover 2, a coil skeleton 3, a lower support 4, a magnetic ring assembly 5, an upper support 6, a transmission gear pair 7, a main shaft 8, an output shaft 9 and a gasket 10. The end cover 2 is matched with the top end of the shell 1, and the end cover 2 and the top end of the shell 1 can be buckled in a buckling mode; the coil framework 3 is arranged in the shell 1, the lower support 4 is matched with the coil framework 3, the magnetic ring component 5 is sleeved on the lower support 4, the magnetic ring component 5 is sleeved in an axial hole in the lower support 4, and the matching structure of the magnetic ring component 5 and the lower support 4 is the same as that of the two in the existing claw-pole permanent magnet synchronous motor. The main shaft 8 is sleeved on the magnetic ring component 5, the upper support 6 is fixed with the lower support 4, the transmission gear pair 7 is arranged between the end cover 2 and the upper support 6, one end of the output shaft 9 is arranged on the upper support 6, the other end of the output shaft penetrates through the end cover 2 and then extends out, and the bottom end of the main shaft 8 extends out of the bottom surface of the shell 1 and is fixed with the gasket 10.
Therefore, the utility model discloses a good heat dissipation's claw utmost point formula permanent magnet synchronous motor can conveniently be fixed main shaft 8 and shell 1 through being equipped with gasket 10, and is concrete, has seted up the installation through-hole in the bottom surface of shell 1, and after this installation through-hole was run through to main shaft 8's bottom, it was fixed with gasket 10. From this, can avoid shell 1 and main shaft 8's welded fastening for there is certain clearance between main shaft 8 and the installation through-hole, when making corresponding part rotate in the shell 1, main shaft 8 itself can have certain shake momentum, does not influence shell 1, thereby improves holistic stability, increases the intensity of main shaft, does benefit to and improves holistic life.
The bottom end of the main shaft 8 is provided with a clamping groove 81, the gasket 10 is provided with a through hole 101, the through hole 101 is sleeved outside the clamping groove 81, and the outer diameter of the main shaft 8 is larger than the inner diameter of the through hole 101. Through being equipped with draw-in groove 81 for gasket 10 can closely be fixed with main shaft 8, thereby has guaranteed main shaft 8 and shell 1 complex steadiness.
The bottom of the lower support 4 is provided with a plurality of mounting posts 41, and the mounting posts 41 are sleeved in the coil framework 3. The lower holder 4 is fixed to the bobbin 3 by inserting the mounting posts 41 into holes of the bobbin 3.
The transmission gear pair 7 comprises four gears 71 and four gear shafts 72, the four gears 71 are respectively arranged on the upper bracket 6 through the corresponding gear shafts 72, one end of each gear shaft 72 is arranged on the upper bracket 6, the other end of each gear shaft is arranged on the end cover 2, so that the installation of each gear is convenient, and the gears are free of interference except the meshing of a working area during operation.
The claw-pole permanent magnet synchronous motor with good heat dissipation further comprises an output gear 20, and the output gear 20 is sleeved on the output shaft 9 to meet the use requirement.
Good heat dissipation's claw utmost point formula permanent magnet synchronous motor still includes terminal cover 30, and terminal cover 30 cooperatees with bobbin 3, and the lateral wall of terminal cover 30 is laminated mutually with the inner wall of shell 1, has seted up ventilation hole 11 on the shell 1, and ventilation hole 11 is located between bobbin 3's up end and the lower terminal surface. Among them, the vent hole 11 may be plural. Can effectually in time spill the heat in the shell 1 through being equipped with ventilation hole 11, can know through the test, current claw utmost point formula permanent magnet synchronous motor is after using 30 minutes, and the temperature is 70 ℃, and the utility model discloses a good heat dissipation's claw utmost point formula permanent magnet synchronous motor is after using 30 minutes, and the temperature is 55 ℃, consequently, greatly reduced the temperature of whole organism, do benefit to and improve holistic life.
The lower end face of the coil framework 3 is provided with a wire outlet hole 31. Therefore, the wire outlet hole 31 is arranged, so that the coil framework 3 is convenient to communicate with a wire passing through the wire outlet hole 31, and the wiring is convenient.
The upper end surface of the bobbin 3 includes an arc-shaped edge 32 and a straight edge 33, the arc-shaped edge 32 is fitted to the inner wall of the case 1, and the straight edge 33 is fitted to the terminal cover 30. Therefore, the arc-shaped edge 32 is attached to the inner wall of the shell 1, and the waterproof performance of the contact part of the arc-shaped edge 32 and the shell 1 is guaranteed; the straight edge 33 is matched with the terminal cover 30, and the outer side of the terminal cover 30 is attached to the inner wall of the shell 1, so that the upper end face of the coil framework 3 and the close attachment of the terminal cover 30 and the inner wall of the shell 1 can be guaranteed, the waterproofness of the coil framework is guaranteed, and the service life of each part between the upper support and the end cover is guaranteed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.
Claims (9)
1. The claw-pole permanent magnet synchronous motor with good heat dissipation performance is characterized by comprising a shell (1), an end cover (2), a coil framework (3), a lower support (4), a magnetic ring component (5), an upper support (6), a transmission gear pair (7), a main shaft (8) and an output shaft (9), wherein the end cover (2) is matched with the top end of the shell (1), the coil framework (3) is arranged in the shell (1), the lower support (4) is matched with the coil framework (3), the magnetic ring component (5) is sleeved on the lower support (4), the main shaft (8) is sleeved on the magnetic ring component (5), the upper support (6) is fixed with the lower support (4), the transmission gear pair (7) is arranged between the end cover (2) and the upper support (6), one end of the output shaft (9) is arranged on the upper support (6), and the other end of the output shaft extends out after penetrating through the end cover (2), the bottom surface of shell (1) is located in main shaft (8), ventilation hole (11) have been seted up in the outside of shell, ventilation hole (11) are located between the up end and the lower terminal surface of coil skeleton (3).
2. The claw-pole permanent magnet synchronous motor with good heat dissipation performance according to claim 1, further comprising a terminal cover (30), wherein the terminal cover (30) is matched with the coil bobbin (3), and the side wall of the terminal cover (30) is attached to the inner wall of the housing (1).
3. The claw-pole permanent magnet synchronous motor having excellent heat dissipation performance according to claim 2, wherein a wire outlet hole (31) is formed in a lower end surface of the bobbin (3).
4. The claw-pole permanent magnet synchronous motor having excellent heat dissipation according to claim 3, wherein the upper end face of the bobbin (3) includes an arc-shaped side (32) and a straight side (33), the arc-shaped side (32) is fitted to the inner wall of the housing (1), and the straight side (33) is fitted to the terminal cover (30).
5. The claw-pole permanent magnet synchronous motor with good heat dissipation performance according to claim 4, wherein a plurality of mounting columns (41) are arranged at the bottom of the lower bracket (4), and the mounting columns (41) are sleeved in the coil bobbin (3).
6. The claw-pole permanent magnet synchronous motor with good heat dissipation performance according to claim 5, wherein the transmission gear pair (7) comprises four gears (71) and four gear shafts (72), the four gears (71) are respectively arranged on the upper bracket (6) through the corresponding gear shafts (72), one end of each gear shaft (72) is arranged on the upper bracket (6), and the other end of each gear shaft is arranged on the end cover (2).
7. The claw-pole permanent magnet synchronous motor with good heat dissipation performance according to claim 6, further comprising an output gear (20), wherein the output gear (20) is sleeved on the output shaft (9).
8. The claw-pole permanent magnet synchronous motor with good heat dissipation performance according to claim 7, further comprising a spacer (10), wherein the bottom end of the main shaft extends out of the bottom surface of the housing and is fixed with the spacer.
9. The claw-pole permanent magnet synchronous motor with good heat dissipation performance according to claim 8, wherein a clamping groove (81) is formed at the bottom end of the main shaft (8), the gasket (10) is provided with a through hole (101), the through hole (101) is sleeved outside the clamping groove (81), and the outer diameter of the main shaft (8) is larger than the inner diameter of the through hole (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553575.3U CN212323875U (en) | 2020-07-30 | 2020-07-30 | Claw pole type permanent magnet synchronous motor with good heat dissipation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553575.3U CN212323875U (en) | 2020-07-30 | 2020-07-30 | Claw pole type permanent magnet synchronous motor with good heat dissipation performance |
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| CN212323875U true CN212323875U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021553575.3U Active CN212323875U (en) | 2020-07-30 | 2020-07-30 | Claw pole type permanent magnet synchronous motor with good heat dissipation performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776585A (en) * | 2022-04-26 | 2022-07-22 | 西南石油大学 | Oil-gas-sand three-phase mixing and conveying pump driven by embedded permanent magnet synchronous motor |
-
2020
- 2020-07-30 CN CN202021553575.3U patent/CN212323875U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776585A (en) * | 2022-04-26 | 2022-07-22 | 西南石油大学 | Oil-gas-sand three-phase mixing and conveying pump driven by embedded permanent magnet synchronous motor |
| CN114776585B (en) * | 2022-04-26 | 2024-05-17 | 西南石油大学 | Oil-gas-sand three-phase mixing pump driven by embedded permanent magnet synchronous motor |
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