CN215956135U

CN215956135U - Good heat dissipation's motor stator is towards piece

Info

Publication number: CN215956135U
Application number: CN202121995784.8U
Authority: CN
Inventors: 徐艳华
Original assignee: Taicang Fuhua Special Motor Co ltd
Current assignee: Taicang Fuhua Special Motor Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-04
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a motor stator punching sheet with good heat dissipation, which belongs to the technical field of motor equipment and comprises a stator punching sheet body (1), wherein a plurality of stator grooves (2) which are uniformly distributed are formed in the inner side of the stator punching sheet body (1), stator teeth (3) are formed between every two adjacent stator grooves (2), a group of welding ports (5) which are uniformly distributed are formed in the outer side of the stator punching sheet body (1), opposite fixing grooves (4) are formed in the side faces of two ends of the stator punching sheet body (1), and opposite cooling fins (6) are formed in the side faces of the other two ends. The motor stator punching sheet with good heat dissipation has good heat dissipation and can improve the working efficiency of the motor.

Description

Good heat dissipation's motor stator is towards piece

Technical Field

The utility model belongs to the technical field of motor equipment, and particularly relates to a motor stator punching sheet with good heat dissipation performance.

Background

The motor is an electromagnetic device which mainly functions to generate driving torque, is used as a power source of electrical appliances or various machines and realizes electric energy conversion or transmission according to the electromagnetic induction law. The motor comprises an alternating current motor and a direct current motor, the motor structure mainly comprises a base, an end cover, a rotor and a stator, and a fan can be arranged, wherein the stator is arranged on a static part in the motor and mainly used for generating a rotating magnetic field, and the rotor is mainly used for being cut by magnetic lines of force in the rotating magnetic field to generate current. The stator punching sheet is a key component in the motor, the structural size of the stator punching sheet directly influences the efficiency of the motor, and because the motor can generate a large amount of heat in the operation process, if the heat is not dissipated in time, the normal operation of a circuit can be influenced, and further the operation of the motor is influenced. Therefore, the stator punching sheet needs to have certain heat dissipation performance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides the motor stator punching sheet with good heat dissipation performance, and the motor stator punching sheet with good heat dissipation performance has good heat dissipation performance and can improve the working efficiency of a motor.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a good heat dissipation's motor stator is towards piece, includes the stator towards the piece body, stator towards piece body inboard is equipped with a plurality of evenly distributed's stator groove, and is adjacent constitute the stator tooth between the stator groove, the stator is towards the piece body outside and is equipped with a set of evenly distributed's welding mouth, stator towards piece body both ends side is equipped with relative fixed slot, and both ends side is equipped with relative fin in addition.

Further, still be equipped with a set of evenly distributed's louvre on the stator punching body.

Further, the stator slot comprises a first connecting portion, a second connecting portion, a third connecting portion and a fourth connecting portion which are integrally formed from inside to outside in sequence, the cross section of the first connecting portion is rectangular, the cross sections of the second connecting portion and the third connecting portion are isosceles trapezoids, the cross section of the fourth connecting portion is arc-shaped, and the third connecting portion is tangent to the end portion of the fourth connecting portion. The slot wedge is placed at the first connecting portion, the coil penetrates through the stator slot along the stator teeth to be wound, the radiating holes can contribute to internal heat dissipation, and the radiating fins can promote overall heat dissipation, so that the motor is guaranteed to have better heat dissipation performance, and the service efficiency of the motor is improved.

Further, the included angle of the lower bottom angle of the second connecting part is set to be 30 degrees.

Further, the distance between the top ends of the second connecting parts is 7.5 mm, and the radius of the fourth connecting part is set to be 5.4 mm.

Further, the stator slots are provided with 36 groups.

Furthermore, the welding port is of a symmetrical structure and comprises a central portion, a bottom portion and side portions, circular arc-shaped transition portions are arranged at the connecting positions of the central portion and the bottom portion, the connecting positions of the side portions and the stator punching sheet body, the central portion is of a circular arc shape, and the bottom portion and the side portions are of a plane shape.

Further, the welding openings are provided with 12 groups.

Further, the width of the end part of the welding port is 10 mm, the width of the bottom part of the welding port is 8 mm, the height of the welding port is 3 mm, the height of the central part from the bottom part of the welding port is 2 mm, the radius of the central part is 2.5 mm, and the radius of the transition part is 1 mm. The welding port and the fixing groove can be welded and fixed with other parts, and the installation is convenient.

Further, the depth of the fixing groove is 4.27 mm, and the width of the fixing groove is 12 mm.

Has the advantages that: compared with the prior art, the utility model has the following advantages: the motor stator punching sheet with good heat dissipation performance provided by the utility model has the advantages of simple structure, convenience in use and good heat dissipation performance, and can effectively improve the working efficiency of a motor.

Drawings

Fig. 1 is a structural diagram of a stator punching sheet of a motor with good heat dissipation performance according to the utility model;

FIG. 2 is an enlarged view of a portion of the stator slot structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure A in FIG. 1;

fig. 4 is a partial enlarged view of the structure at B in fig. 1.

In the figure: the stator punching sheet comprises a stator punching sheet body 1, a stator groove 2, a first connecting part 21, a second connecting part 22, a third connecting part 23, a fourth connecting part 24, a stator tooth 3, a fixing groove 4, a welding port 5, a transition part 51, a central part 52, a bottom part 53, side parts 54, radiating fins 6 and radiating holes 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model is further illustrated with reference to the following figures and specific examples.

Examples

As shown in fig. 1, a good heat dissipation's motor stator punching sheet, including stator punching sheet body 1, stator punching sheet body 1 inboard is equipped with a plurality of evenly distributed's stator slot 2, and is adjacent constitute stator tooth 3 between the stator slot 2, the stator punching sheet body 1 outside is equipped with a set of evenly distributed's weld seam 5, stator punching sheet body 1 both ends side is equipped with relative fixed slot 4, and both ends side is equipped with relative fin 6 in addition, in order to increase heat dispersion, can also be in stator punching sheet body 1 is last to be established a set of evenly distributed's louvre 7.

As shown in fig. 2, the stator slot 2 sequentially includes a first connecting portion 21, a second connecting portion 22, a third connecting portion 23, and a fourth connecting portion 24, which are integrally formed, from inside to outside, the first connecting portion 21 has a rectangular cross section, the second connecting portion 22 and the third connecting portion 23 have isosceles trapezoid cross sections, the fourth connecting portion 24 has a circular cross section, the third connecting portion 23 is tangent to the end of the fourth connecting portion 24, an included angle of a lower base angle of the second connecting portion 22 is set to be 30 °, a top end distance of the second connecting portion 22 is 7.5 mm, and a radius of the fourth connecting portion 24 is set to be 5.4 mm; in this embodiment, the stator slots 2 are provided with 36 groups.

In addition, as shown in fig. 3, the welding port 5 is a symmetrical structure, and includes a central portion 52, a bottom portion 53 and a side portion 54, circular arc transition portions 51 are disposed at the connection positions of the central portion 52 and the bottom portion 53, and the connection positions of the side portion 54 and the bottom portion 53 and the stator punching body 1, the central portion 52 is circular arc, and the bottom portion 53 and the side portion 54 are both planar, in this embodiment, 12 sets of welding ports 5 are provided, which may be set according to actual settings; the width of the end part of the welding port 5 is 10 mm, the width of the bottom part of the welding port is 8 mm, the height of the welding port is 3 mm, the height of the central part 52 from the bottom part of the welding port is 2 mm, the radius of the central part 52 is 2.5 mm, the radius of the transition part 51 is 1 mm, and as shown in fig. 4, the depth of the fixing groove 4 is 4.27 mm, and the width of the fixing groove is 12 mm.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a good heat dissipation's motor stator punching sheet which characterized in that: including stator punching sheet body (1), stator punching sheet body (1) inboard is equipped with a plurality of evenly distributed's stator groove (2), and is adjacent constitute stator tooth (3) between stator groove (2), stator punching sheet body (1) outside is equipped with a set of evenly distributed's weld mouth (5), stator punching sheet body (1) both ends side is equipped with relative fixed slot (4), and both ends side is equipped with relative fin (6) in addition.

2. The stator punching sheet of the motor with good heat dissipation performance as recited in claim 1, wherein: the stator punching body (1) is further provided with a group of radiating holes (7) which are uniformly distributed.

3. The stator punching sheet of the motor with good heat dissipation performance as recited in claim 1, wherein: stator slot (2) includes integrated into one piece's first connecting portion (21), second connecting portion (22), third connecting portion (23) and fourth connecting portion (24) from inside to outside in proper order, first connecting portion (21) cross-section is the rectangle, second connecting portion (22) and third connecting portion (23) cross-section are isosceles trapezoid, fourth connecting portion (24) cross-section is arc, third connecting portion (23) are tangent with fourth connecting portion (24) tip.

4. The stator punching sheet of the motor with good heat dissipation performance as recited in claim 3, wherein: the included angle of the lower bottom angles of the second connecting parts (22) is set to be 30 degrees.

5. The stator punching sheet of the motor with good heat dissipation performance as claimed in claim 3 or 4, wherein: the distance between the top ends of the second connecting parts (22) is 7.5 mm, and the radius of the fourth connecting part (24) is set to be 5.4 mm.

6. The stator punching sheet of the motor with good heat dissipation performance as set forth in claim 1 or 3, wherein: the stator slots (2) are provided with 36 groups.

7. The stator punching sheet of the motor with good heat dissipation performance as recited in claim 1, wherein: the welding port (5) is of a symmetrical structure and comprises a central portion (52), a bottom portion (53) and a side portion (54), circular arc transition portions (51) are arranged at the connection positions of the central portion (52) and the bottom portion (53) and the connection positions of the side portion (54) and the bottom portion (53) and the stator punching sheet body (1), the central portion (52) is of a circular arc shape, and the bottom portion (53) and the side portion (54) are of a plane shape.

8. The stator punching sheet of the motor with good heat dissipation performance as recited in claim 7, wherein: the welding ports (5) are provided with 12 groups.

9. The stator punching sheet of the motor with good heat dissipation performance as claimed in claim 7 or 8, wherein: the width of the end part of the welding port (5) is 10 mm, the width of the bottom of the welding port is 8 mm, the height of the welding port is 3 mm, the height of the central part (52) from the bottom of the welding port is 2 mm, the radius of the central part (52) is set to be 2.5 mm, and the radius of the transition part (51) is set to be 1 mm.

10. The stator punching sheet of the motor with good heat dissipation performance as recited in claim 1, wherein: the depth of the fixing groove (4) is 4.27 mm, and the width of the fixing groove is 12 mm.