CN215186124U - Motor rotor punching sheet structure and motor - Google Patents
Motor rotor punching sheet structure and motor Download PDFInfo
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- CN215186124U CN215186124U CN202121622039.9U CN202121622039U CN215186124U CN 215186124 U CN215186124 U CN 215186124U CN 202121622039 U CN202121622039 U CN 202121622039U CN 215186124 U CN215186124 U CN 215186124U
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Abstract
The utility model discloses an electric motor rotor is towards sheet structure and motor, towards sheet structure including towards the sheet body, be provided with a plurality of towards sheet grooves towards the even interval in sheet body periphery, form noncontacting T type radial tooth each other between the adjacent towards sheet groove, be equipped with the shaft hole towards sheet body center, the periphery in shaft hole is equipped with a plurality of evenly distributed's fan-shaped ventilation hole, form the back shaft between the adjacent fan-shaped ventilation hole, form the snap ring inner circle between fan-shaped ventilation hole and the shaft hole, the contained angle of the radial tooth axis of adjacent T type is phi for the angle, the contained angle of back shaft both sides limit is phi for the angle, phi and angle equals with angle, circle along circumferencial direction evenly be provided with A draw-in groove in the snap ring outside shaft hole, A's number is 360/phi. The utility model discloses the fan-shaped ventilation hole on the rotor punching has increased the draught area of rotor on the one hand, and on the other hand fan-shaped ventilation hole save material for the manufacturing cost of motor reduces.
Description
Technical Field
The utility model relates to a towards sheet structure and motor technical field specifically are an electric motor rotor towards sheet structure and motor.
Background
The rotor is a rotating part in the motor and is a conversion device for realizing electric energy and mechanical energy and electric energy. The iron core of the motor rotor is formed by laminating and pressing a plurality of rotor punching sheets together, the middle of the rotor is connected with a rotating shaft, mechanical energy is output through the rotating shaft, and the material, the inner circle size, the outer circle size, the groove shape size and the like of the rotor punching sheets have direct influence on the energy consumption, the working efficiency, the noise and the service life of the motor. And the motor that uses in the existing market, because the structure of rotor punching is unreasonable, lead to having caused bad influence to the operating parameter index of motor, especially the ventilation hole area of rotor punching is less, and ventilation effect is less unsatisfactory, and used material is more moreover, has increased the manufacturing cost of motor to a certain extent.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric motor rotor is towards piece structure and motor in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric motor rotor is towards piece structure, includes towards the piece body, it is provided with a plurality of towards piece grooves to be provided with towards the even interval in piece body periphery, and is adjacent form noncontacting T type radial tooth each other between towards the piece groove, be equipped with the shaft hole towards piece body center, the periphery in shaft hole is equipped with a plurality of evenly distributed's fan-shaped ventilation hole, and is adjacent form the back shaft between the fan-shaped ventilation hole, form the snap ring inner circle between fan-shaped ventilation hole and the shaft hole, its characterized in that is adjacent the contained angle of the radial tooth axis of T type is angle phi, the contained angle that back shaft both sides limit is angle phi, angle phi with angle phi the angle equals, evenly be provided with a draw-in groove along the circumferencial direction on the draw-in ring in the shaft hole outside, the number of A is 360/phi.
Preferably, the angle phi is between 6 degrees and 30 degrees.
Preferably, the angle phi is 12 deg.
Preferably, the number of the fan-shaped vent holes is 3.
The utility model provides a motor, includes foretell electric motor rotor towards piece structure, still includes electric motor rotor, electric motor rotor includes a plurality of first punching sheets and second punching sheet, and is a plurality of first punching sheet is fixed at the front of the aforesaid towards piece body along clockwise coincide of deflecting phi in proper order, and is a plurality of the second punching sheet is fixed at the back towards the piece body along anticlockwise coincide of phi, first punching sheet and second punching sheet's structure all is the same with towards the piece body, wherein, with the aforesaid is towards the first punching sheet of the positive coincide of piece body and is phi towards the contained angle between the piece body, with the aforesaid is towards the first punching sheet of the piece body back coincide and is phi towards the contained angle between the piece body for phi, electric motor rotor still includes the axle, axle and shaft hole looks adaptation, just the outside of axle evenly is provided with A and the card strip of draw-in groove looks adaptation.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses the fan-shaped ventilation hole on the rotor punching has increased the draught area of rotor on the one hand, and on the other hand fan-shaped ventilation hole save material for the manufacturing cost of motor has reduced.
(2) The utility model discloses a motor rotor includes by a plurality of said first punching sheet in proper order along clockwise deflection phi coincide fix in the front of above-mentioned punching sheet body, a plurality of second punching sheet in proper order along anticlockwise deflection phi coincide fix at the back of punching sheet body, the structure of first punching sheet and second punching sheet is all the same with punching sheet body, when using, like the back shaft of dry first punching sheet, the back shaft of punching sheet body and a plurality of second punching sheet back shaft form similar flabellum structure in the axial, when it rotates, can get the gaseous quick axial motion in the wind channel, make the heat exchange frequent, the gas and the gradient of the temperature difference between the action wall are obvious, thereby promote cooling efficiency by a wide margin, simultaneously like the back shaft of dry first punching sheet, the back shaft of punching sheet body and the back shaft of a plurality of second punching sheets all act on the axle in the circumferencial direction, form the multiple spot contact, when guaranteeing rotor intensity, the ventilation area is effectively increased, the integral temperature rise of the motor is reduced, materials are saved, and the production cost is reduced.
Drawings
Fig. 1 is a schematic view of a rotor sheet structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the motor rotor of the motor of the present invention.
In the figure: 1. punching a sheet body; 2. a plurality of punching grooves; 3. t-shaped radial teeth; 4. a shaft hole; 5. a fan-shaped vent hole; 6. a support shaft; 7. a snap ring inner ring; 8. a card slot; 9. the first punching sheet; 10. and the second punching sheet.
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.
Example one
Referring to fig. 1, the present invention provides an embodiment: the utility model provides an electric motor rotor towards piece structure, including towards piece body 1, it is provided with a plurality of towards piece groove 2 to be provided with towards the even interval in 1 periphery of piece body, form noncontacting T type radial tooth 3 each other between the adjacent piece groove 2 that dashes, it is equipped with shaft hole 4 to be equipped with towards piece body 1 center, shaft hole 4's periphery is equipped with a plurality of evenly distributed's fan-shaped ventilation hole 5, form back shaft 6 between the adjacent fan-shaped ventilation hole 5, form snap ring inner circle 7 between fan-shaped ventilation hole 5 and the shaft hole 4, the contained angle of the radial tooth 3 axis of adjacent T type is phi for the angle, the contained angle of back shaft 6 both sides limit is phi, phi and angle equals, evenly be provided with A a draw-in groove 8 along the circumferencial direction on the 4 outside snap ring inner circle in shaft hole 7, the number of A is 360/phi.
In this embodiment, angle phi is 12.
In this embodiment, the number of the fan-shaped vent holes 5 is 3.
Example two
The second embodiment is different from the first embodiment in that angle phi is 6 deg..
EXAMPLE III
Example three differs from example one in that angle phi is 24 deg..
Example four
The fourth embodiment is different from the first embodiment in that the number of the fan-shaped vent holes 5 is 4.
By comparison, the smaller the angle phi is, the larger the size of the fan-shaped vent holes 5 is, the smaller the material used is, and the larger the number of the fan-shaped vent holes 5 is, the more the material used is.
As shown in fig. 2, a motor includes a motor rotor punching structure in the above embodiment, and further includes a motor rotor, where the motor rotor includes a plurality of first punching sheets 9 and second punching sheets 10, the plurality of first punching sheets 9 are sequentially fixed on the front surface of the punching sheet body 1 along clockwise deflection phi superposition, the plurality of second punching sheets 10 are sequentially fixed on the back surface of the punching sheet body 1 along counterclockwise deflection phi superposition, the first punching sheets 9 and the second punching sheets 10 are identical in structure to the punching sheet body 1, an included angle between the first punching sheets 9 and the punching sheet body 1 superposed on the front surface of the punching sheet body 1 is phi, an included angle between the first punching sheets 9 and the punching sheet body 1 superposed on the back surface of the punching sheet body 1 is phi, the motor rotor further includes a shaft, the shaft is adapted to the shaft hole 4, and a clamping strips adapted to the clamping grooves 8 are uniformly arranged on the outer side of the shaft, for example, a support shaft 6, a clamping strip adapted to the clamping groove 8 of the dry first punching sheet 9, The back shaft 6 and the back shaft 6 of the second punching sheet 10 of the punching sheet body 1 form a similar fan blade structure in the axial direction, when the fan blade structure rotates, the quick axial motion of gas in an air channel can be obtained, the heat exchange is frequent, the temperature difference gradient between the gas and the action wall is obvious, the cooling effect is greatly improved, if the back shaft 6 of the first punching sheet 9 is dry, the force of the back shaft 6 of the punching sheet body 1 and the back shaft 6 of the second punching sheet 10 in the circumferential direction acts on the shaft, the multipoint contact is formed, the rotor strength is ensured, the ventilation area is effectively increased, the integral temperature rise of the motor is reduced, the material is also saved, and the production cost is reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a motor rotor punching structure, includes towards piece body (1), it is provided with a plurality of towards piece groove (2) to be provided with towards the even interval in piece body (1) periphery, and is adjacent form noncontacting T type radial tooth (3) each other between towards piece groove (2), it is equipped with shaft hole (4) to towards piece body (1) center, the periphery in shaft hole (4) is equipped with a plurality of evenly distributed's fan-shaped ventilation hole (5), and is adjacent form back shaft (6) between fan-shaped ventilation hole (5), form snap ring inner circle (7) between fan-shaped ventilation hole (5) and shaft hole (4), its characterized in that, adjacent the contained angle of T type radial tooth (3) axis is angle phi, the contained angle of back shaft (6) both sides limit is angle phi, angle phi with angle equals, evenly be provided with A draw-in groove (8) along the circumferencial direction on shaft hole (4) outside snap ring inner circle (7), the number of A is 360 degrees/phi.
2. The motor rotor punching structure according to claim 1, characterized in that: the angle phi is phi with the degree of 6 degrees to 30 degrees.
3. The motor rotor punching structure according to claim 2, characterized in that: the angle phi is 12 deg.
4. The motor rotor punching structure according to claim 1, characterized in that: the number of the fan-shaped vent holes (5) is 3.
5. A motor comprises the motor rotor punching structure of any one of claims 1, 3 and 4, and is characterized by further comprising a motor rotor, wherein the motor rotor comprises a plurality of first punching sheets (9) and second punching sheets (10), the first punching sheets (9) are sequentially and clockwise deflected and phi-overlapped and fixed on the front surface of the punching sheet body (1), the second punching sheets (10) are sequentially and anticlockwise deflected and phi-overlapped and fixed on the back surface of the punching sheet body (1), the structures of the first punching sheets (9) and the second punching sheets (10) are the same as the punching sheet body (1), wherein the included angle between the first punching sheets (9) and the punching sheet body (1) which are overlapped with the front surface of the punching sheet body (1) is phi, and the included angle between the first punching sheets (9) and the punching sheet body (1) which are overlapped with the back surface of the punching sheet body (1) is phi, the motor rotor further comprises a shaft, the shaft is matched with the shaft hole (4), and A clamping strips matched with the clamping grooves (8) are uniformly arranged on the outer side of the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121622039.9U CN215186124U (en) | 2021-07-16 | 2021-07-16 | Motor rotor punching sheet structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121622039.9U CN215186124U (en) | 2021-07-16 | 2021-07-16 | Motor rotor punching sheet structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215186124U true CN215186124U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121622039.9U Active CN215186124U (en) | 2021-07-16 | 2021-07-16 | Motor rotor punching sheet structure and motor |
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| Country | Link |
|---|---|
| CN (1) | CN215186124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117937865A (en) * | 2024-03-25 | 2024-04-26 | 江苏联博精密科技股份有限公司 | Stator punching assembling equipment |
-
2021
- 2021-07-16 CN CN202121622039.9U patent/CN215186124U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117937865A (en) * | 2024-03-25 | 2024-04-26 | 江苏联博精密科技股份有限公司 | Stator punching assembling equipment |
| CN117937865B (en) * | 2024-03-25 | 2024-05-28 | 江苏联博精密科技股份有限公司 | Stator punching assembling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A motor rotor lamination structure and motor Effective date of registration: 20230302 Granted publication date: 20211214 Pledgee: Rongcheng sub branch of Postal Savings Bank of China Ltd. Pledgor: Shandong xinlide Power Technology Co.,Ltd. Registration number: Y2023980033871 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230720 Granted publication date: 20211214 Pledgee: Rongcheng sub branch of Postal Savings Bank of China Ltd. Pledgor: Shandong xinlide Power Technology Co.,Ltd. Registration number: Y2023980033871 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rotor punching structure and motor Effective date of registration: 20230727 Granted publication date: 20211214 Pledgee: Shandong Rongcheng Rural Commercial Bank Co.,Ltd. Yinzi Branch Pledgor: Shandong xinlide Power Technology Co.,Ltd. Registration number: Y2023980049971 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Pledgee Correct: Shandong Rongcheng Rural Commercial Bank Co.,Ltd. Yinzi Branch False: Shandong Rongcheng Rural Commercial Bank Co.,Ltd. Yinzi Branch Number: 32-02 Volume: 39 |