CN113794291A

CN113794291A - Motor stator core wire passing structure

Info

Publication number: CN113794291A
Application number: CN202111091672.4A
Authority: CN
Inventors: 许春家; 梁太海; 牟廷超; 朱颂恩; 陶思钧; 赵健
Original assignee: Jiangsu Yali Explosion Proof Motor Co ltd
Current assignee: Jiangsu Yali Explosion Proof Motor Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2021-12-14

Abstract

The invention relates to a motor stator core wire passing structure which comprises a stator core, wherein the stator core is formed by laminating and laminating a plurality of silicon steel sheets, each silicon steel sheet is stamped with a wire passing hole, and the wire passing holes on all the silicon steel sheets are mutually opposite and mutually connected to form a wire passing channel penetrating through the stator core. The wire through holes in various shapes are punched on the silicon steel sheet, the shape of the wire through holes is not limited, and the wire through holes in different shapes can be punched according to the arrangement requirement of the wires; the wire passing hole is a certain distance away from the excircle of the silicon steel sheet, and the wire is constrained in the wire passing channel and cannot be contacted with the base, so that the wire can be effectively protected; the stator core can realize convenient insertion of the conducting wire in various states, and the conducting wire is convenient, flexible and free from being damaged.

Description

Motor stator core wire passing structure

Technical Field

The invention belongs to the technical field of motors, and particularly relates to a motor stator core wire passing structure.

Background

The outer wall of the stator core of the motor is provided with an axially extending wire passing groove, and when an element at one end of the motor is required to be connected to the other end of the motor through a wire. The wire is clamped in the wire passing groove. However, the existing wire passing structure can be only carried out after the iron core is pressed on the base, and at the moment, the wire passing groove is narrow, so that the wire passing is difficult. If the lead is installed in the wire passing groove in advance before the iron core is pressed on the base, the lead is damaged when the iron core is pressed. Even if the iron core is threaded after being pressed on the base, if the space of the motor is short, the threading is very difficult, and the time and the labor are wasted.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the wire passing structure of the motor stator core can pass a wire well before the iron core is pressed on a base, and the wire cannot be damaged during subsequent pressing of the stator core.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a motor stator core crosses line structure, includes stator core, stator core is folded by a large amount of silicon steel sheet stacks and is folded and press and form, and equal stamping forming has one on every silicon steel sheet to cross the line hole, and all cross the line hole on the silicon steel sheet and all just to interconnect constitutes a line passageway of crossing that runs through stator core jointly.

As a preferred scheme, the wire passing hole is positioned at the outer edge of the silicon steel sheet.

Preferably, the shape of the wire through hole is circular, rectangular, oblong, oval, kidney-shaped or fan-shaped.

As a preferable scheme, an insulated conduit is inserted in the wire passing channel, the cross-sectional profile shape of the conduit is consistent with the shape of the wire passing hole, the conduit is matched with the wire passing channel, one side of the conduit is provided with a wire inserting notch extending along the axial direction of the conduit, and the wire inserting notch extends from one end of the conduit to the other end of the conduit.

Preferably, the inner wall of the conduit is provided with a shielding layer.

Preferably, the conduit pipe body on both sides of the wire insertion gap is integrally formed with elastic sheets, the elastic sheets extend towards the wire insertion gap and cover the wire insertion gap, and the elastic sheets on both sides of the wire insertion gap are stacked up and down.

The invention has the beneficial effects that: the wire through holes in various shapes are punched on the silicon steel sheet, the shape of the wire through holes is not limited, and the wire through holes in different shapes can be punched according to the arrangement requirement of the wires; the wire passing hole is a certain distance away from the excircle of the silicon steel sheet, and the wire is constrained in the wire passing channel and cannot be contacted with the base, so that the wire can be effectively protected; the stator core can realize convenient insertion of the conducting wire in various states, and the conducting wire is convenient, flexible and free from being damaged.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic view of a half-section of the present invention;

FIG. 2 is a schematic structural view of a silicon steel sheet;

FIG. 3 is a schematic view of a conduit configuration;

in FIGS. 1 to 3: 1. the stator core comprises 101 silicon steel sheets, 102 wire passing holes, 2 wire passing channels, 3 wire guiding pipes, 4 wire inserting notches, 5 shielding layers, 6 elastic sheets.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The motor stator core wire passing structure comprises a stator core 1, wherein the stator core 1 is formed by stacking and laminating a large number of silicon steel sheets 101, each silicon steel sheet 101 is provided with a wire passing hole 102 in a stamping mode, the wire passing holes 102 are located in the outer edges of the silicon steel sheets 101, a certain distance is reserved between the wire passing holes 102 and the outer circles of the silicon steel sheets, and the wire passing holes 102 in all the silicon steel sheets 101 are mutually opposite to each other and are mutually connected to jointly form a wire passing channel 2 penetrating through the stator core 1.

Because the wire passing hole 102 is punched at the outer edge of the silicon steel sheet 101 and has a certain distance with the outer circle of the silicon steel sheet, when the stator core 1 is pressed, a wire pre-installed in the wire passing channel 2 cannot be influenced and cannot be contacted with the base, so that the wire can be effectively protected, and the wire is prevented from being damaged.

In actual production, the shape of the wire through hole 102 is not limited, and may be circular or rectangular or oblong or oval or kidney-shaped or fan-shaped. Rectangular holes are used in this embodiment.

In this embodiment, an insulated conduit 3 is further inserted into the conduit channel 2, the cross-sectional profile of the conduit 3 is consistent with the shape of the conduit hole 102, the conduit 3 is matched with the conduit channel 2, a wire insertion notch 4 extending along the axial direction of the conduit 3 is formed in one side of the conduit 3, and the wire insertion notch 4 extends from one end of the conduit 3 to the other end of the conduit 3.

Although the wire can be installed in advance in the wire passing channel 2, after all, wire passing channel 2 is more narrow, and stator core 1 has certain length, and simultaneously, it all can have the burr to fold every wire passing hole 102 edge on silicon steel sheet 101 together, these factors all can influence the interlude of wire, increase the wire and alternate the degree of difficulty, in addition if the wire that adopts is thinner softer, that alternates the wire will be more difficult, and conduit 3 has certain rigidity, the rule breach 4 of its one side can let the wire block into conduit 3 fast, then insert wire passing channel 2 with whole conduit 3 in, just can reduce the degree of difficulty that alternates of wire effectively.

In order to avoid that the magnetic field generated by the stator core 1 affects the current in the conductor, the present embodiment further provides a shielding layer 5 on the inner wall of the conductor tube 3 to shield the magnetic field of the stator core 1.

As shown in fig. 3, the wire conduits 3 on both sides of the insertion notch 4 are respectively integrally formed with elastic sheets 6, the elastic sheets 6 extend toward the insertion notch 4 and cover the insertion notch 4, the elastic sheets 6 on both sides of the insertion notch 4 are vertically stacked, and the two vertically stacked elastic sheets 6 can effectively prevent the wire from being exposed from the insertion notch 4 on the basis of maintaining the technical effect of rapid wire insertion, so that the wire is prevented from being rubbed with the stator core 1 or blocked by the stator core 1 when the wire conduits 3 are inserted. A shielding layer is also provided on the side of the elastic sheet 6 facing the interior of the conduit 3, so that the magnetic field of the stator core 1 is completely shielded.

The working principle of the invention is as follows: as shown in fig. 1 to 3, the wire is first inserted into the wire guide 3 from the insertion notch 4 of the wire guide 3, and the insertion of the wire is not affected even though the insertion notch 4 is blocked by the elastic sheet 6, and after the wire is inserted into the wire guide 3, the wire guide 3 is inserted into the wire passage 2, so that the insertion of the wire is completed. The above process can be implemented before or after press-fitting of the stator core. The wires are not damaged.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. A motor stator iron core over-wire structure, comprising a stator iron core (1), characterized in that the stator iron core (1) is formed by laminating a large number of silicon steel sheets (101), and each silicon steel sheet ( 101) is stamped with a wire hole (102), and all the wire holes (102) on the silicon steel sheets (101) are connected to each other to form a wire passage (102) that runs through the stator core (1). 2).

2 . The wire-passing structure of the stator iron core of a motor according to claim 1 , wherein the wire-passing hole ( 102 ) is located at the outer edge of the silicon steel sheet ( 101 ). 3 .

3. The wire-passing structure of the stator core of a motor according to claim 1, wherein the wire-passing hole (102) has a shape of a circle, a rectangle, an oval, an oval, a waist or a fan. .

4. A motor stator iron core wire-passing structure according to claim 1, characterized in that, an insulated wire tube (3) is inserted into the wire-passing channel (2), the wire tube (3) ) is the same as the shape of the wire passage hole (102), the conduit (3) is matched with the wire passage (2), and one side of the conduit (3) is provided with a wire notch ( 4), the wire notch (4) extends from one end of the conduit (3) to the other end of the conduit (3).

5 . The wire-passing structure of the stator iron core of a motor according to claim 4 , wherein a shielding layer ( 5 ) is provided on the inner wall of the conduit ( 3 ). 6 .

6. A motor stator iron core wire-passing structure according to claim 4, characterized in that, elastic sheets (6) are integrally formed on the conduit bodies (3) on both sides of the wire-embedding notch (4). ), the elastic sheet (6) extends toward the ruled notch (4) and covers the ruled notch (4), and the elastic sheets (6) on both sides of the ruled notch (4) are stacked up and down.