CN216959452U

CN216959452U - Compact stator core

Info

Publication number: CN216959452U
Application number: CN202123096265.0U
Authority: CN
Inventors: 李玉军
Original assignee: Suzhou Huaneng Power Generator Co ltd
Current assignee: Suzhou Huaneng Power Generator Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-07-12
Anticipated expiration: 2031-12-10

Abstract

The utility model belongs to the technical field of motors, and particularly discloses a compact stator core, which comprises a stator split punching sheet, wherein the stator split punching sheet has an included angle of 180 degrees, the stator split punching sheet comprises a yoke part with an arc-shaped structure and a plurality of notch teeth, the notch teeth are uniformly distributed on the inner side of the yoke part, tooth grooves are formed between the adjacent notch teeth, two ends of the yoke part are respectively provided with a fixed clamping groove and a fixed clamping block, the outer side of the yoke part is provided with two welding grooves, and the distance between the two welding grooves is 60 degrees. Convenient operation and is suitable for popularization and application.

Description

Compact stator core

Technical Field

The utility model relates to a compact stator core, and belongs to the technical field of motors.

Background

The loss of the motor in the market is generally high at present, and the motor in the market mainly comprises a direct current motor, an induction motor, a traditional synchronous motor, a permanent magnet synchronous motor, a switched reluctance motor and the like. The direct current motor has low reliability, high maintenance cost, low efficiency of the induction motor and small frequency width of the motor due to the existence of the electric brush, and most motors can not efficiently save energy and reduce loss in the aspect of energy consumption. The existing block stator core structure is unreasonable in arrangement, small in stator slot area and high in material waste cost.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a compact stator core that solves the problems set forth in the background art described above.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a compact stator core, includes stator split punching sheet, stator split punching sheet is 180 contained angles, stator split punching sheet includes arc structure's yoke portion and a plurality of notch tooth, notch tooth evenly distributed is inboard at yoke portion, form the tooth's socket between the adjacent notch tooth, the yoke portion both ends are equipped with fixed slot and fixed fixture block respectively, the yoke portion outside is equipped with two welding grooves, two interval between the welding groove is 60.

Preferably, a plurality of self-buckling points are arranged on the yoke portion, and the self-buckling points are of a circular structure.

Preferably, the self-locking point is sunken to the bottom end of the yoke to form a convex part, and the self-locking point is sunken to the top end of the yoke to form a concave part.

Preferably, the distance between the self-buckling points is 60 degrees.

Preferably, the stator split punching sheet is made of a silicon steel sheet.

Preferably, the thicknesses of the fixed clamping groove and the fixed clamping block are the same as the thickness of the stator split punching sheet.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model belongs to the technical field of motors, and particularly discloses a compact stator core, wherein a stator is formed into two segmented stators through a 180-degree stator segmented punching sheet, so that the operation is easier in the processing and assembling process, the punching sheet can be positioned at an angle through the arranged self-buckling point with a convex part and a concave part, and the positive and negative directions of the punching sheet can be indicated at the same time, so that the problems of sheet staggering and stacking inclination are reduced.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

in the figure: 1. stator split punching sheets; 2. a yoke portion; 3. notch teeth; 4. a tooth socket; 5. fixing the clamping groove; 6. fixing the fixture block; 7. welding a groove; 8. and (4) self-buckling points.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, 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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a compact stator core, includes stator split punching sheet 1, stator split punching sheet 1 is 180 contained angles, stator split punching sheet 1 includes yoke portion 2 and a plurality of notch tooth 3 of arc structure, 3 evenly distributed of notch tooth are 2 inboards in yoke portion, form tooth's socket 4 between the

adjacent notch tooth

3, 2 both ends of yoke portion are equipped with fixed slot 5 and fixed fixture block 6 respectively, 2 outsides in yoke portion are equipped with two welding grooves 7, two interval between the welding groove 7 is 60.

Further, a plurality of self-buckling points 8 are arranged on the yoke portion 2, and the self-buckling points 8 are of circular structures.

Further, the self-fastening point 8 is recessed towards the bottom end of the yoke 2 to form a convex part, and the self-fastening point 8 is recessed at the top end of the yoke 2.

Further, the distance between the self-buckling points 8 is 60 °.

Further, the stator split punching sheet 1 is made of a silicon steel sheet.

Further, the thickness of the fixed clamping groove 5 and the fixed clamping block 6 is the same as that of the stator split punching sheet 1.

The working principle is as follows: the utility model relates to a compact stator core, when in use, two 180-degree stator split punching sheets 1 are mutually assembled through a fixed clamping groove 5 and a fixed clamping block 6, a plurality of assembled stator split punching sheets 1 are mutually stacked, the stator split punching sheets 1 are mutually stacked and riveted through self-buckling points 8, the angles of the self-buckling points 8 are consistent with those of welding grooves 7, the positions of the welding grooves 7 at the outer sides of the mutually stacked stator split punching sheets 1 are kept consistent and form a vertical welding groove 7, the two stator split punching sheets 1 are mutually spliced through the fixed clamping groove 5 and the fixed clamping block 6 without paying attention to the positive and negative directions, meanwhile, the splicing operation of the two stator split punching sheets is simple and convenient for an operator to operate, the convex parts and the concave parts of the self-buckling points 8 can indicate the positive and negative directions for the stator split punching sheets 1 in the stacking process, the splicing grooves of the adjacent stator split punching sheets 1 are mutually staggered in the stacking process, the stator strength can be improved, meanwhile, the coincident welding grooves 7 further improve the stator strength, the arc-shaped structure can reduce material waste and reduce cost in the machining process compared with an integral circular structure, and the stator structure is simple in structure, convenient to operate and suitable for popularization and use.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A compact stator core characterized by: including stator split punching sheet (1), stator split punching sheet (1) is 180 contained angles, stator split punching sheet (1) includes yoke portion (2) and a plurality of notch tooth (3) of arc structure, notch tooth (3) evenly distributed is inboard at yoke portion (2), form tooth's socket (4) between adjacent notch tooth (3), yoke portion (2) both ends are equipped with fixed slot (5) and fixed fixture block (6) respectively, yoke portion (2) outside is equipped with two welding groove (7), two interval between welding groove (7) is 60.

2. The compact stator core of claim 1, wherein: the yoke portion (2) is provided with a plurality of self-buckling points (8), and the self-buckling points (8) are of a circular structure.

3. The compact stator core of claim 2, wherein: self-clinching point (8) are sunken to yoke portion (2) bottom and are formed the bellying, self-clinching point (8) form the depressed part at yoke portion (2) top.

4. The compact stator core of claim 2, wherein: the distance between the self-buckling points (8) is 60 degrees.

5. The compact stator core of claim 1, wherein: the stator split punching sheet (1) is made of silicon steel sheets.

6. The compact stator core of claim 1, wherein: the thicknesses of the fixed clamping groove (5) and the fixed clamping block (6) are the same as that of the stator split punching sheet (1).