CN214412426U - High-efficiency motor stator and rotor punching sheet - Google Patents
High-efficiency motor stator and rotor punching sheet Download PDFInfo
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- CN214412426U CN214412426U CN202120193611.8U CN202120193611U CN214412426U CN 214412426 U CN214412426 U CN 214412426U CN 202120193611 U CN202120193611 U CN 202120193611U CN 214412426 U CN214412426 U CN 214412426U
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Abstract
The utility model relates to a high-efficient motor stator-rotor punching sheet, which comprises a stator punching sheet and a rotor punching sheet, wherein a plurality of stator positioning grooves are uniformly arranged on the outer circle of the stator punching sheet; a central hole is formed in the center of the stator punching sheet, a plurality of shoe teeth are uniformly arranged on the stator punching sheet and positioned on the outer side of the central hole, a trapezoidal groove is formed between every two adjacent shoe teeth, and a fastening point is arranged on the trapezoidal groove; a rotor punching sheet is arranged in a central hole of the stator punching sheet, a plurality of rotor grooves matched with the trapezoidal grooves are uniformly formed in the outer circle of the rotor punching sheet, and the number of the rotor grooves is the same as that of the trapezoidal grooves; a circle of through holes are annularly distributed on the inner side of the rotor punching sheet by taking the axis of the rotor punching sheet as the center of a circle; two symmetrical positioning steps are arranged on the inner side of the rotor punching sheet, and a plurality of heat dissipation holes which are annularly distributed by taking the axis of the rotor punching sheet as the center of a circle are uniformly formed between the two positioning steps; support steps are formed among the heat dissipation holes. The utility model relates to a high-efficient motor stator-rotor punching sheet saves cost, radiating effect is good.
Description
Technical Field
The utility model relates to a motor stator and rotor towards the piece field, especially relate to a high-efficient motor stator and rotor towards piece.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is represented by a letter M (old standard is represented by a letter D) in a circuit, the motor mainly plays a role of generating driving torque and serving as a power source of electrical appliances or various machines, the generator is represented by a letter G in a circuit, and the generator mainly plays a role of converting mechanical energy into electric energy. The stator and rotor punching sheets are important components of the motor.
In the prior art, the magnetic densities of tooth parts of the motor stator punching sheet are higher, and the magnetic densities of yoke parts are unevenly distributed, so that the motor efficiency is low, and the electromagnetic noise is high; the punching sheet has large slot area and low slot area utilization rate, the motor temperature rise and the magnetic leakage coefficient are increased due to the fact that the slot area is not fully utilized, the winding amount is required to be increased to improve the magnetic load and ensure that the overload capacity of the motor is unchanged and the temperature rise of the motor is reduced, and therefore the motor cost is increased; the heat dissipation conductor of the traditional motor is natural wind, the natural wind is sucked from the rear end of the motor by a fan, the generated heat is discharged from the front end by taking the natural wind as a carrier through a motor armature, but in general, an air gap between a motor rotor and a stator is very small, a large number of coils are wound in a winding slot, a ventilation channel is greatly reduced, the ventilation volume in the motor is very limited, and the temperature rise index of the motor is influenced. Therefore, a need exists for a stator/rotor punching sheet of a high-efficiency motor, which is cost-saving and has a good heat dissipation effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the aforesaid not enough, provide a cost-effective, the good high-efficient motor stator-rotor towards piece of radiating effect.
The purpose of the utility model is realized like this:
a stator and rotor punching sheet of a high-efficiency motor comprises a stator punching sheet and a rotor punching sheet, wherein a plurality of stator positioning grooves are uniformly formed in the outer circle of the stator punching sheet; a central hole is formed in the center of the stator punching sheet, a plurality of shoe teeth are uniformly arranged on the stator punching sheet and positioned on the outer side of the central hole, a trapezoidal groove is formed between every two adjacent shoe teeth, and a fastening point is arranged on the trapezoidal groove; a rotor punching sheet is arranged in a central hole of the stator punching sheet, a plurality of rotor grooves are uniformly formed in the outer circle of the rotor punching sheet, the number of the rotor grooves is the same as that of the trapezoidal grooves, and the rotor grooves and the trapezoidal grooves are arranged in a matched mode; a circle of through holes are annularly distributed on the inner side of the rotor punching sheet by taking the axis of the rotor punching sheet as the circle center; two symmetrical positioning steps are arranged on the inner side of the rotor punching sheet, and a plurality of heat dissipation holes which are annularly distributed by taking the axis of the rotor punching sheet as the center of a circle are uniformly formed between the two positioning steps; and a supporting step is formed among the heat dissipation holes.
The utility model relates to a high-efficient motor stator-rotor punching, the number of stator positioning groove is 6.
The utility model relates to a high-efficient motor stator-rotor punching, the number in boots tooth and rotor groove is 16.
The utility model relates to a high-efficient motor stator-rotor punching, the number of louvre is 8 and is trapezoidal form.
The utility model relates to a high-efficient motor stator-rotor punching, the through-hole is located the outside of louvre.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model relates to a high-efficient motor stator-rotor punching sheet is through being provided with the dovetail groove on the stator punching sheet, can improve the groove area utilization ratio of punching the piece body, has avoided the motor temperature rise very fast to reduced the magnetic leakage coefficient, so as to reduce the winding quantity, thereby reduced the motor cost; the utility model discloses set up a plurality of through-holes and louvre at the rotor punching inboard, be provided with between the louvre and support step and location step, increase the inside ventilation passageway of motor, increase the throughput of natural cooling wind in the motor inside, reduce the motor temperature rise, promote the radiating effect, the seting up of through-hole and louvre has reduced the weight of punching simultaneously to lighten the weight of motor; the device of the utility model has the advantages of reasonable design, convenient operation, occupation space is little, can generally use widely.
Drawings
Fig. 1 is the utility model relates to a structural schematic diagram of high-efficient motor stator-rotor punching.
Fig. 2 is a schematic view of the stator lamination in fig. 1.
Fig. 3 is a schematic view of the rotor sheet of fig. 1.
Wherein: stator punching sheet 1, rotor punching sheet 2, stator positioning groove 3, boot tooth 4, dovetail groove 5, knot point 6, rotor groove 7, location step 8, support step 9, louvre 10, centre bore 11, through-hole 12.
Detailed Description
Referring to fig. 1 to 3, the high-efficiency motor stator/rotor punching sheet of the present invention includes a stator punching sheet 1 and a rotor punching sheet 2, wherein a plurality of stator positioning slots 3 are uniformly formed in an outer circle of the stator punching sheet 1; a central hole 11 is formed in the center of the stator punching sheet 1, a plurality of shoe teeth 4 are uniformly arranged on the stator punching sheet 1 and positioned on the outer side of the central hole 11, a trapezoidal groove 5 is formed between every two adjacent shoe teeth 4, and a fastening point 6 is arranged on each trapezoidal groove 5; the trapezoidal groove 5 is formed in the stator punching sheet 1, so that the groove area utilization rate of the stator punching sheet 1 can be improved, the motor is prevented from being heated quickly, the magnetic leakage coefficient is reduced, the using amount of windings is reduced, and the motor cost is reduced;
the rotor punching sheet 2 is arranged in a central hole 11 of the stator punching sheet 1, a plurality of rotor grooves 7 are uniformly formed in one circle of the outer part of the rotor punching sheet 2, the number of the rotor grooves 7 is the same as that of the trapezoidal grooves 5, and the rotor grooves 7 are matched with the trapezoidal grooves 5; a circle of through holes 12 are annularly arranged on the inner side of the rotor punching sheet 2 by taking the axis of the rotor punching sheet 2 as a circle center, and the through holes 2 are used for ventilation and heat dissipation; two symmetrical positioning steps 8 are arranged on the inner side of the rotor punching sheet 2, and a plurality of heat dissipation holes 10 which are annularly distributed by taking the axis of the rotor punching sheet 2 as the circle center are uniformly formed between the two positioning steps 8; a supporting step 9 is formed between the heat dissipation holes 10; when the rotor punching sheet 2 is pressed into an iron core, the inner side of the supporting step 9 forms a supporting surface which is tightly matched with the motor rotating shaft, so that the accuracy and the regularity of the iron core pressing are ensured, the effect of strengthening the strength of the inner side of the punching sheet is achieved, the positioning step 8 forms a positioning key, the positioning step replaces a flat key of a traditional motor, the flat key is directly positioned in a key groove of the motor rotating shaft, the whole iron core is fixed, and the rotation of the iron core is avoided;
further, the number of the stator positioning grooves 3 is 6;
furthermore, the number of the shoe teeth 4 and the number of the rotor grooves 7 are 16;
further, the number of the heat dissipation holes 10 is 8, and the heat dissipation holes are in a trapezoid shape;
further, the through hole 12 is located outside the heat dissipation hole 10.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (5)
1. The utility model provides a high-efficient motor stator-rotor punching which characterized in that: the stator punching sheet comprises a stator punching sheet (1) and a rotor punching sheet (2), wherein a plurality of stator positioning grooves (3) are uniformly formed in one circle of the outer part of the stator punching sheet (1); a center hole (11) is formed in the center of the stator punching sheet (1), a plurality of shoe teeth (4) are uniformly arranged on the stator punching sheet (1) and positioned on the outer side of the center hole (11), a trapezoidal groove (5) is formed between every two adjacent shoe teeth (4), and a buckling point (6) is arranged on each trapezoidal groove (5); the rotor punching sheet (2) is arranged in a center hole (11) of the stator punching sheet (1), a plurality of rotor grooves (7) are uniformly formed in one circle of the outer portion of the rotor punching sheet (2), the number of the rotor grooves (7) is the same as that of the trapezoidal grooves (5), and the rotor grooves (7) are matched with the trapezoidal grooves (5); a circle of through holes (12) are annularly arranged on the inner side of the rotor punching sheet (2) by taking the axis of the rotor punching sheet (2) as the center of a circle; two symmetrical positioning steps (8) are arranged on the inner side of the rotor punching sheet (2), and a plurality of heat dissipation holes (10) which are annularly distributed by taking the axis of the rotor punching sheet (2) as the circle center are uniformly formed between the two positioning steps (8); and a supporting step (9) is formed between the heat dissipation holes (10).
2. The high-efficiency motor stator and rotor punching sheet as claimed in claim 1, wherein: the number of the stator positioning grooves (3) is 6.
3. The high-efficiency motor stator and rotor punching sheet as claimed in claim 1, wherein: the number of the shoe teeth (4) and the number of the rotor grooves (7) are 16.
4. The high-efficiency motor stator and rotor punching sheet as claimed in claim 1, wherein: the number of the heat dissipation holes (10) is 8 and the heat dissipation holes are in a trapezoid shape.
5. The high-efficiency motor stator and rotor punching sheet as claimed in claim 1, wherein: the through holes (12) are positioned at the outer sides of the heat dissipation holes (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120193611.8U CN214412426U (en) | 2021-01-25 | 2021-01-25 | High-efficiency motor stator and rotor punching sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120193611.8U CN214412426U (en) | 2021-01-25 | 2021-01-25 | High-efficiency motor stator and rotor punching sheet |
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| Publication Number | Publication Date |
|---|---|
| CN214412426U true CN214412426U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120193611.8U Active CN214412426U (en) | 2021-01-25 | 2021-01-25 | High-efficiency motor stator and rotor punching sheet |
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| CN (1) | CN214412426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069909A (en) * | 2021-12-08 | 2022-02-18 | 安徽美芝精密制造有限公司 | Stator, motor, compressor and electrical equipment |
-
2021
- 2021-01-25 CN CN202120193611.8U patent/CN214412426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069909A (en) * | 2021-12-08 | 2022-02-18 | 安徽美芝精密制造有限公司 | Stator, motor, compressor and electrical equipment |
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