CN218335496U

CN218335496U - Stator insulation framework free of slot wedge

Info

Publication number: CN218335496U
Application number: CN202221653782.5U
Authority: CN
Inventors: 顾健; 杨洁; 王凯; 严尚元
Original assignee: Dibaishi Motor Technology Suzhou Co ltd
Current assignee: Moandi (Suzhou) Motor Technology Co.,Ltd.
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-01-17
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses an exempt from stator insulation skeleton of slot wedge, including insulation skeleton, insulation skeleton includes cambered surface portion and the portion of bending, both ends all set up flutedly along the central line about the cambered surface portion, the terminal length of the portion of bending is less than insulation skeleton's length, the terminal both sides limit of the portion of bending forms the hypotenuse, insulation skeleton wears to establish in the stator iron core, set up a plurality of through-holes that run through stator iron core in the stator iron core perpendicularly, the through-hole is along stator iron core's circumference align to grid, the through-hole is equipped with the notch towards one side in the stator iron core centre of a circle, first insulation ring and second insulation ring are connected respectively at both ends about the stator iron core, the utility model relates to an exempt from stator insulation skeleton of slot wedge, insulation skeleton have designed spacing step and the hypotenuse cell type of slot paper, avoid driving the slot paper when the equipment wire winding and produce the drunkenness, insulation skeleton has carried out the processing of bending, can remove from and increase the slot wedge.

Description

Stator insulation framework free of slot wedge

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to an exempt from stator insulation skeleton of slot wedge.

Background

The outer rotor motor with the rotor arranged in the outer stator has great market prospect in high-power application due to the advantages of low noise, large rotational inertia and the like; but the stator structure of the prior art has certain problems: when equipment wire winding, drive the groove paper easily for the groove paper follows the wire winding motion, influences the wire winding quality, need increase the slot wedge in order to reach fixed purpose after the wire winding finishes simultaneously, so not only can increase manufacturing cost, still can increase the structure complexity of motor. There is therefore a need for a solution to the above problems.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a slot-wedge-free stator insulation framework which has simple structure and reduces the complexity of a motor,

in order to realize the above-mentioned purpose, the utility model provides an exempt from stator insulation skeleton of slot wedge, a serial communication port, including insulation skeleton, insulation skeleton includes cambered surface portion and the portion of bending, the central line is all seted up at cambered surface portion both ends from top to bottom along the central line and is fluted, the terminal length of the portion of bending is less than insulation skeleton's length makes the terminal both sides limit of the portion of bending forms the hypotenuse, insulation skeleton wears to establish in the stator core, set up a plurality of running through perpendicularly in the stator core's through-hole, the through-hole is followed stator core's circumference align to grid, the through-hole orientation one side in the stator core centre of a circle is equipped with the notch, first insulation ring and second insulation ring are connected respectively at stator core upper and lower both ends.

In one example, the insulating framework is in a trapezoid-like arrangement, the bending part is overlapped with the position of the notch, and the design of the bending part can avoid increasing a slot wedge.

In one example, the first insulating ring and the second insulating ring are provided with the blocking iron cores towards one side of the circle center, the blocking iron cores are uniformly distributed along the circumferential direction of the insulating ring, the blocking iron cores and the insulating ring are arranged at right angles, and the blocking iron cores are arranged in a T shape.

In one example, the segmented iron core is provided with a clamping groove corresponding to the bending portion of the insulating framework, and the extending section of the insulating framework is abutted to the clamping groove.

In one example, gaps left between the segmented cores are matched with the through holes, and the gaps and the through holes are arranged on the same vertical line.

In one example, the first insulating ring and the second insulating ring are provided with an arched groove towards one side of the stator core, the arched groove is buckled with the groove, a group of limiting steps are arranged on two sides of the arched groove, the limiting steps are located on one sides, facing the circle center, of the first insulating ring and the second insulating ring, and the limiting steps and the tail end of the insulating framework are designed to avoid driving slot paper to move when equipment winds.

In one example, the first and second insulating rings are concentric with the stator core.

Through the utility model provides an exempt from stator insulation skeleton of slot wedge can bring following beneficial effect:

1. the insulation framework is provided with a limiting step and a bevel edge groove shape of the slot paper, so that the slot paper is prevented from moving when equipment winds;

2. the insulating framework is bent, and the increase of slot wedges can be avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a schematic diagram of a three-dimensional structure of a slot-wedge-free stator insulation framework of the present invention.

Fig. 2 is a top view of the slot wedge-free stator insulation frame of the present invention.

Fig. 3 is an isometric view of the slot wedge-free stator insulation frame of the present invention.

Fig. 4 is a top view of the present invention without an insulating ring.

Fig. 5 is a side view of the present invention without an insulating ring.

Fig. 6 is a schematic structural view of the insulating frame of the present invention.

Fig. 7 is a schematic structural view of the insulating ring of the present invention.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed 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, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same aspect or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 7, an embodiment of the present invention provides a slot wedge-free stator insulation framework, which includes an insulation framework 1, the insulation framework 1 includes an arc portion 11 and a bending portion 12, the upper and lower ends of the arc portion 11 are both provided with a groove 13 along a central line, the end length of the bending portion 12 is smaller than the length of the insulation framework 1, two side edges of the end of the bending portion 12 form bevel edges, the insulation framework 1 is inserted into the stator core 2, a plurality of through holes 21 penetrating through the stator core 2 are vertically arranged in the stator core 2, the through holes 21 are uniformly arranged along the circumferential direction of the stator core 2, one side of the through holes 21 facing the center of the stator core 2 is provided with a notch 211, the upper and lower ends of the stator core 2 are respectively connected with a first insulation ring 3 and a second insulation ring 4, the insulation framework 1 is in a trapezoid-like configuration, the bending portion 12 overlaps with the notch 211, the design of the bending portion 12 can avoid increasing a slot wedge, the first insulating ring 3 and the second insulating ring 4 are provided with block iron cores 5 on one sides facing the circle center, the block iron cores 5 are uniformly distributed along the circumferential direction of the insulating ring, the block iron cores 5 and the insulating ring are arranged in a right angle, the block iron cores 5 are arranged in a T shape, the block iron cores 5 are provided with clamping grooves 51 matched with the bending parts 12 of the insulating frameworks corresponding to the bending parts 12, the extending sections of the insulating frameworks 1 are enabled to be abutted into the clamping grooves 51, gaps 52 reserved among the block iron cores 5 are matched with the through holes 21, the gaps 52 and the through holes 21 are arranged on the same vertical line, one sides of the first insulating ring 3 and the second insulating ring 4 facing the stator iron core 2 are provided with arc-shaped grooves 31, the arc-shaped grooves 31 and the grooves 13 are mutually buckled, two sides of the arc-shaped grooves 31 are provided with a group of limiting steps 32, the limiting steps 32 are positioned on one sides of the first insulating ring 3 and the second insulating ring 4 facing the circle center, spacing step 32 and the terminal design of insulating skeleton 1 avoid driving the groove paper when the equipment wire winding and produce the drunkenness, and first insulating ring 3 and second insulating ring 4 are concentric with stator core 2.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an exempt from stator insulation skeleton of slot wedge, its characterized in that, includes insulating skeleton, insulating skeleton includes the cambered surface portion and the portion of bending, the central line is all seted up flutedly along both ends about the cambered surface portion, the terminal length of the portion of bending is less than the length of insulating skeleton makes the terminal both sides limit of the portion of bending forms the hypotenuse, insulating skeleton wears to establish in the stator iron core, set up a plurality of through-holes that run through perpendicularly in the stator iron core, the through-hole is followed stator iron core's circumference align to grid, the through-hole orientation one side in the stator iron core centre of a circle is equipped with the notch, first insulation ring and second insulation ring are connected respectively at both ends about the stator iron core.

2. The slot-wedge-free stator insulation framework as claimed in claim 1, wherein the insulation framework is in a trapezoid-like shape, and the bent portion overlaps with the notch.

3. The slot-wedge-free stator insulation framework as claimed in claim 1, wherein the first insulation ring and the second insulation ring are respectively provided with a blocking iron core on one side facing a circle center, the blocking iron cores are uniformly distributed along the circumferential direction of the insulation rings, the blocking iron cores and the insulation rings are arranged at right angles, and the blocking iron cores are arranged in a T shape.

4. The slot-wedge-free stator insulation framework of claim 3, wherein the segmented iron core is provided with a slot adapted to the bending portion of the insulation framework, so that the extension section of the insulation framework abuts against the inside of the slot.

5. The slot-wedge-free stator insulation framework of claim 4, wherein gaps left between the segmented cores are matched with the through holes, and the gaps and the through holes are arranged on the same vertical line.

6. The slot-inserting-free stator insulation framework of claim 3, wherein an arched groove is formed in one side, facing the stator core, of the first insulation ring and the second insulation ring, the arched groove and the groove are buckled with each other, a group of limiting steps are arranged on two sides of the arched groove, and the limiting steps are located on one side, facing the center of a circle, of the first insulation ring and the second insulation ring.

7. The slot-wedge-free stator insulation backbone of claim 1, wherein said first insulation ring and said second insulation ring are concentric with said stator core.