CN203774894U

CN203774894U - Stator core with novel structure

Info

Publication number: CN203774894U
Application number: CN201420033263.8U
Authority: CN
Inventors: 林汉光
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-20
Filing date: 2014-01-20
Publication date: 2014-08-13
Anticipated expiration: 2024-01-20

Abstract

The utility model discloses a stator core with a novel structure. The stator core comprises outer rings of a stator which are laminated and fixed together, wherein a plurality of rectangular opening grooves intersected with the inner side walls of the outer rings are formed in the outer rings, dovetail-groove-shaped clamping grooves are formed in the outer rings on the inner side ends of the rectangular opening grooves, an inner ring of the stator is clamped in the clamping grooves, the inner ring comprises a plurality of groups of winding columns which are laminated and fixed together and connecting sheets arranged on both sides of the winding columns, the winding columns are arc sections segmented and formed by the connecting sheets, and the winding columns are evenly distributed on the connecting sheets; and rectangular branch sheets are formed on the outer side walls of the winding columns and the connecting sheets, pin holes are formed in the branch sheets, the branch sheets are fixed through pins, long grooves extending to the inner side walls of the winding columns and the connecting sheets are formed in the pin holes, a clamping sheet in the same shape as the clamping grooves of the outer rings is formed on the outer end of each branch sheet, and the clamping sheets are clamped in the clamping grooves of the outer rings. The stator core with the novel structure facilitates the installation of coil windings on the stator, improves the production efficiency, and can prevent the coil from running out of the stator core.

Description

A kind of stator core of new structure

Technical field

The utility model relates to the technical field of motor, more specifically to a kind of stator core of new structure.

background technology

Stator is part important in motor, and it is comprised of stator core, stator winding and support three parts, and its Main Function is to produce rotating magnetic field.The general some layers of core stamping stack of current stator core is fixed together, its stator core inner side forms the resettlement groove of some positioned coil windings, to roll off the production line or hand insertion is arranged in stator core all more difficult by coil windings by machinery, and make the situation of enamelled wire line wound can occur in installation coil windings, thereby affect the performance of motor; The coil windings being arranged on together in stator core can go out the situation that resettlement groove causes motor to burn outward.

Summary of the invention

The purpose of this utility model is exactly the deficiency for prior art, and a kind of knockdown stator core is provided, and it is convenient that it installs coil windings, can avoid coil windings to go out stator core simultaneously.

Technology solution of the present utility model is as follows: a kind of stator core of new structure, comprise the outer ring that laminated stator is fixed together, on outer ring, form rectangular aperture groove some and that outer ring madial wall is crossing, on the outer ring of rectangular aperture groove medial extremity, form the draw-in groove of dovetail grooved, in draw-in groove, be equipped with the inner ring of stator, described inner ring comprises the some groups of stacked wrapping posts that are fixed together and is positioned at the brace composition of wrapping post both sides, described wrapping post is the arc section that brace is cut apart moulding, and wrapping post is evenly distributed on brace; Described wrapping post and the lateral wall of brace all form the branch tablet of rectangle, on branch tablet, form pin hole and be fixed by a pin to together, on pin hole, form the elongated slot that extends to wrapping post and brace madial wall, the outer end of described branch tablet forms the clamping sheet identical shaped with the draw-in groove of outer ring, and described clamping sheet holding is in the draw-in groove of outer ring.

Between two adjacent wrapping posts on described inner ring, be provided with gap, the gap width between adjacent wrapping post equals the width of elongated slot on wrapping post.

Described outer ring forms some pin shaft holes, and stacked outer ring is fixed together by bearing pin.

Described outer ring, wrapping post and brace all adopt hot rolling sheet, cold drawing or straight steel disc, and the cross section that connects the described pin of wrapping post and brace adopts quadrangle form or triangular shaped.

The beneficial effects of the utility model are: 1, it has designed a kind of knockdown stator core, facilitated coil windings on its stator to install, improved production efficiency, and be difficult for making coil in installation process, to occur line wound, can prevent that coil windings from going out stator core and avoiding motor to burn simultaneously.

2, it adopts fabricated structure, the material of making stator punching can be fully used, thereby save material, has reduced cost.

accompanying drawing explanation:

Below in conjunction with accompanying drawing, the utility model is described further:

Fig. 1 is structural representation of the present utility model;

Fig. 2 is outer ring structure schematic diagram of the present utility model;

Fig. 3 is the structural representation of the utility model inner ring;

Fig. 4 is the structural representation of the utility model wrapping post;

Fig. 5 is the structural representation of the utility model brace;

Fig. 6 is the structural representation of the utility model triangle pin;

Fig. 7 is the structural representation of the utility model quadrangle pin.

In figure: 1, outer ring; 2, inner ring; 3, pin; 4, bearing pin; 1a, rectangular aperture groove; 1b, draw-in groove; 1c, pin shaft hole; 21, wrapping post; 22, brace; 2a, branch tablet; 2b, pin hole; 2c, elongated slot; 2d, clamping sheet.

embodiment:

Embodiment: see shown in Fig. 1 to 7, a kind of stator core of new structure, comprise the outer ring 1 that laminated stator is fixed together, on outer ring 1, form rectangular aperture groove 1a some and that outer ring 1 madial wall is crossing, on the outer ring 1 of rectangular aperture groove 1a medial extremity, form the draw-in groove 1b of dovetail grooved, in draw-in groove 1b, be equipped with the inner ring 2 of stator, described inner ring 2 comprises the some groups of stacked wrapping posts that are fixed together 21 and is positioned at brace 22 compositions of wrapping post 21 both sides, described wrapping post 21 is the arc section that brace 22 is cut apart moulding, wrapping post 21 is evenly distributed on brace 22, described wrapping post 21 and the lateral wall of brace 22 all form the branch tablet 2a of rectangle, on branch tablet 2a, form pin hole 2b and be fixed together by pin 3, on pin hole 2b, form the elongated slot 2c that extends to wrapping post 21 and brace 22 madial walls, the outer end of described branch tablet 2a forms the clamping sheet 2d with the identical same shape of draw-in groove 1b of outer ring 1, and described clamping sheet 2d holding is in the draw-in groove 1b of outer ring 1.Between two adjacent wrapping posts 21 on described inner ring 2, be provided with gap, the gap width between adjacent wrapping post 21 equals the width of elongated slot 2c on wrapping post 21.

Described outer ring 1 forms some pin shaft hole 1c, and stacked outer ring 1 is fixed together by bearing pin 4.

Described outer ring 1, wrapping post 21 and brace 22 all adopt hot rolling sheet, cold drawing or straight steel disc, and the cross section that connects the described pin 3 of wrapping post 21 and brace 22 adopts quadrangle form or triangular shaped.

Operation principle: the utility model is divided into outer ring 1 and inner ring 2 by original all-in-one-piece stator core, outer ring 1 and inner ring 2 are combined into the iron core of mouse cage type structure stator, in stator process is installed, first coil windings is installed between the branch tablet 2a on inner ring 2, then by inner ring 2 holdings that install coil windings in the draw-in groove 2c of outer ring 1; Thereby facilitated the installation process of its coil windings, and reduced the reach the standard grade probability of occurrence of wound of coil windings, simultaneously inner ring 2 holdings are in outer ring 1, and just making does not have breach in the resettlement groove at coil windings place, has avoided coil expose stator core outside and cause and burn motor phenomenon.

Above-mentioned example is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalent transformations of doing according to the utility model Spirit Essence or modification, within all should being encompassed in protection range of the present utility model.

Claims

1. the stator core of a new structure, comprise the outer ring (1) that laminated stator is fixed together, it is characterized in that: on outer ring (1), form rectangular aperture groove (1a) some and that outer ring (1) madial wall is crossing, on the outer ring (1) of rectangular aperture groove (1a) medial extremity, form the draw-in groove (1b) of dovetail grooved, in draw-in groove (1b), be equipped with the inner ring (2) of stator, described inner ring (2) comprises the some groups of stacked wrapping posts that are fixed together (21) and is positioned at brace (22) composition of wrapping post (21) both sides, described wrapping post (21) is the arc section that brace (22) is cut apart moulding, wrapping post (21) is evenly distributed on brace (22), the lateral wall of described wrapping post (21) and brace (22) all forms the branch tablet (2a) of rectangle, on branch tablet (2a), form pin hole (2b) and be fixed together by pin (3), on pin hole (2b), form the elongated slot (2c) that extends to wrapping post (21) and brace (22) madial wall, the outer end of described branch tablet (2a) forms the clamping sheet (2d) identical shaped with the draw-in groove (1b) of outer ring (1), and described clamping sheet (2d) holding is in the draw-in groove (1b) of outer ring (1).

2. the stator core of a kind of new structure according to claim 1, it is characterized in that: between two adjacent wrapping posts (21) on described inner ring (2), be provided with gap, the gap width between adjacent wrapping post (21) equals the width of the upper elongated slot (2c) of wrapping post (21).

3. the stator core of a kind of new structure according to claim 1, is characterized in that: described outer ring (1) forms some pin shaft holes (1c), and stacked outer ring (1) is fixed together by bearing pin (4).

4. the stator core of a kind of new structure according to claim 1, it is characterized in that: described outer ring (1), wrapping post (21) and brace (22) all adopt hot rolling sheet, cold drawing or straight steel disc, and the cross section that connects the described pin (3) of wrapping post (21) and brace (22) adopts quadrangle form or triangular shaped.