CN219123992U

CN219123992U - Insulating frame, stator, motor and electrical apparatus

Info

Publication number: CN219123992U
Application number: CN202320076741.2U
Authority: CN
Inventors: 郑浩; 史国俊; 张佳; 周海东; 龙康喜
Original assignee: Guangdong Welling Motor Manufacturing Co Ltd
Current assignee: Guangdong Welling Motor Manufacturing Co Ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-02
Anticipated expiration: 2033-01-09

Abstract

The utility model provides an insulating frame, a stator, a motor and an electric appliance, wherein the insulating frame comprises: the chain type stator core comprises a first frame, a second frame, a first limiting part and a second limiting part, wherein the first frame and the second frame are embedded in two sides of the chain type stator core. The first limiting part is arranged on the first frame, and the second limiting part is arranged on the second frame. The first limiting part and the second limiting part are positioned in the winding groove and are used for limiting winding in the stator to move between two adjacent sub-cores.

Description

Insulating frame, stator, motor and electrical apparatus

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to an insulating frame, a stator, a motor and an electric appliance.

Background

In order to improve the manufacturing efficiency, the existing chain type stator core of the brushless direct current motor for household and commercial appliances adopts a straight chain type integrated structure, a process of installing the split block stator into strips and related auxiliary tools or automation equipment are omitted, and the straight chain type stator core can be wound in an external winding mode, so that the automatic winding equipment is convenient to use for fast winding.

However, during the winding process, the winding may be separated from the winding slot of the stator, and the winding separated from the winding slot needs to be rearranged, so that the winding difficulty is increased, and the winding efficiency is affected.

Disclosure of Invention

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

In view of this, the present utility model proposes an insulating frame for a stator, the stator including a chain-type stator core formed by enclosing a plurality of sequentially connected sub-cores, the chain-type stator core being provided with a winding slot, the insulating frame comprising: a first frame; the second frames are embedded on two sides of the chain type stator core along the axial direction of the chain type stator core; the first limiting part is arranged on the first frame; the second limiting part is arranged on the second frame; under the condition that the first frame and the second frame are embedded on two sides of the chain type stator core, the first limiting part and the second limiting part are positioned in the winding groove, and the first limiting part and the second limiting part are used for limiting winding in the stator to move between two adjacent sub-cores.

According to the insulating frame provided by the utility model, the insulating frame is required to be embedded and assembled along two sides of the axial direction of the chain type stator iron core, the insulating frame is divided into the first frame and the second frame, the chain type stator iron core is inserted into the first frame from one side of the axial direction of the chain type stator iron core, and the chain type stator iron core is inserted into the second frame from the other side of the axial direction of the chain type stator iron core. The first and second frames are understood to be upper and lower insulating frames which are embedded in the chain stator core for fixing.

In the case where the first frame and the second frame are embedded in the chain type stator core, a part of the first frame is located in the winding slot of the chain type stator core and a part of the second frame is also located in the winding slot, thereby separating the winding from the chain type stator core by the first frame and the second frame.

Before winding, a plurality of sub-iron cores are distributed along a straight line, and after winding is completed, the plurality of sub-iron cores are assembled into a complete chain type stator iron core along the circumferential direction.

In the winding process, as the plurality of sub-iron cores are not assembled into a complete chain type stator iron core, the side parts of the sub-iron cores are provided with openings, and the winding is limited by the first limiting part, so that the winding cannot move between two adjacent sub-iron cores, and the winding cannot be separated from the sub-iron cores. Through setting up first spacing portion and second spacing portion on insulating frame, be favorable to improving the stability of wire winding in-process, the wire casing that the wire winding can not break away from the ion core in the wire winding process to save the process of the wire winding rearrangement to breaking away from the part, reduce the wire winding degree of difficulty, be favorable to improving wire winding efficiency.

In addition, the insulating frame in the technical scheme provided by the utility model can also have the following additional technical characteristics:

In the above technical scheme, the first limit portion and the second limit portion extend along the axial direction of the chain type stator core.

In this technical scheme, after the wire winding process on the completion chain stator core, along chain stator core's axial, it has the wire winding to distribute on the first skeleton, through the axial extension of chain stator core with first spacing portion for first spacing portion can carry out spacingly to most wire winding homoenergetic on the first skeleton, thereby improves the spacing stability to the wire winding, further improves the wire winding stability in the wire winding process.

Similarly, along chain stator core's axial, the distribution has the wire winding on the second skeleton, through the axial extension with the second spacing portion along chain stator core for the second spacing portion can both carry out spacingly to most wire winding on the second skeleton, thereby improves the spacing stability to wire winding, further improves wire winding stability in the wire winding process.

In any of the above technical solutions, the first frame includes a first insulating tooth portion and a first insulating yoke portion, the first insulating tooth portion is connected with the first insulating yoke portion, and the first limiting portion is disposed on a side of the first insulating yoke portion facing the axis of the chain stator core and/or on a side of the first insulating tooth portion facing away from the axis; the second frame comprises a second insulating tooth part and a second insulating yoke part, the second insulating tooth part is connected with the second insulating yoke part, and the second limiting part is arranged on one side of the second insulating yoke part facing the axis and/or one side of the second insulating tooth part facing away from the axis.

The chain type stator core includes stator teeth and a stator yoke, the first frame includes a first insulating tooth portion and a first insulating yoke portion, and the second frame includes a second insulating tooth portion and a second insulating yoke portion, the first insulating tooth portion and the second insulating tooth portion corresponding to positions of the stator teeth and the first insulating yoke portion and the second insulating yoke portion corresponding to positions of the stator yoke when the first frame and the second frame are assembled to the chain type stator core. The first and second insulated teeth are for spacing the windings from the stator teeth, and the first and second insulated yokes are for spacing the windings from the stator yoke.

The first insulation yoke and/or the first insulation tooth are provided with a first limit portion, in particular, the first limit portion may be provided on a side of the first insulation yoke facing the axis of the chain stator core, which axis is referred to hereinafter for convenience of description as the axis of the chain stator core, or the first limit portion may be provided on a side of the first insulation tooth facing away from the axis.

And a second limiting part is arranged on the second insulating yoke part and/or the second insulating tooth part. In particular, the second limit portion may be provided on a side of the second insulating yoke portion facing the axis, or the second limit portion may be provided on a side of the second insulating tooth portion facing away from the axis.

The first limiting part is arranged on the first insulating yoke part and the second limiting part is arranged on the second insulating yoke part for carrying out the exemplary description, the first limiting part protrudes out of one side, facing the axis, of the first insulating yoke part, and in the winding process, as the plurality of sub-cores are not assembled into a complete chain type stator core, the side parts of the sub-cores are provided with openings, the winding is limited through the first limiting part, and the winding cannot move between two adjacent sub-cores. The second limiting part is used for limiting the winding, and the winding cannot be separated from the iron core.

In any of the above-described aspects, the first limiting portion includes: the first convex rib is arranged on one side of the first insulating yoke part, which faces the axis; the second convex rib is arranged on one side, away from the axis, of the first insulating tooth part; the second limit part includes: the third convex rib is arranged on one side, facing the axis, of the second insulating yoke part; and the fourth convex rib is arranged on one side of the second insulating tooth part, which is away from the axis.

In this technical scheme, first protruding muscle setting is in the first insulating yoke portion towards one side of axis, in the wire winding in-process, owing to a plurality of sub-iron cores distribute along sharp direction, be formed with the V mouth between the first insulating yoke portion of two adjacent sub-iron cores, it is spacing to wire winding through first protruding muscle, take place the condition that wire winding falls into in the V mouth when avoiding wire winding process, at wire winding in-process, save the process of rearranging to the wire winding of breaking away from the part, reduce the wire winding degree of difficulty, be favorable to improving wire winding efficiency. And the first convex rib is used for limiting the winding, so that the creepage distance between the winding and the chain type stator core and the electric appliance distance can be increased when the high slot full rate is increased, the proportion of defective products among voltage-resistant turns is reduced, and the manufacturing cost of the stator is reduced.

The second protruding muscle sets up the one side that deviates from the axis in first insulating tooth portion, and at the wire winding in-process, the second protruding muscle can restrict the wire winding and break away from the ion core, improves wire winding stability. Moreover, the second protruding rib can restrict the wire winding to be too close to the butt joint of two adjacent sub-iron cores, so that the second protruding rib is used for isolating the wire winding and the chain type stator iron core, and the working performance of the stator is improved.

The third protruding muscle sets up in the second insulating yoke towards one side of axis, in the wire winding in-process, owing to a plurality of sub-iron cores distribute along the straight line direction, is formed with the V mouth between the second insulating yoke of two adjacent sub-iron cores, carries out spacingly to the wire winding through the third protruding muscle, takes place the wire winding when avoiding wire winding process and falls into the condition in the V mouth, at the wire winding in-process, saves the process of rearranging to the wire winding of breaking away from the part, reduces the wire winding degree of difficulty, is favorable to improving wire winding efficiency. And the third convex rib is used for limiting the winding, so that the creepage distance between the winding and the chain type stator core and the electric appliance distance can be increased when the high slot full rate is increased, the proportion of defective products among voltage-resistant turns is reduced, and the manufacturing cost of the stator is reduced.

The fourth protruding muscle sets up the one side that deviates from the axis in the insulating tooth of second, and in the wire winding in-process, the wire winding break away from the ion core can be restricted to the fourth protruding muscle, improves wire winding stability. Moreover, the fourth protruding rib can restrict the wire winding to be too close to the butt joint of two adjacent sub-iron cores, so that the fourth protruding rib is used for isolating the wire winding and the chain type stator iron core, and the working performance of the stator is improved.

In any of the above technical solutions, the first frame and the second frame are cut along a radial direction of the chain stator core, the cross sections of the first convex rib and the third convex rib are trapezoidal or rectangular, and the cross sections of the second convex rib and the fourth convex rib are triangular.

In this technical scheme, along chain stator core's radial, the thickness of first insulation yoke portion is unchangeable basically or the change is less, can be provided with trapezoidal or rectangle with first protruding muscle for first protruding muscle can be close the right angle with the contained angle of first insulation yoke portion, thereby makes first protruding muscle can carry out effective spacing to the wire winding. Similarly, along the radial direction of the chain type stator core, the thickness of the second insulation yoke part is basically unchanged or smaller in change, and the third convex rib can be provided with a trapezoid or a rectangle, so that the included angle between the third convex rib and the second insulation yoke part can be close to a right angle, and the third convex rib can effectively limit winding.

The thickness of the first insulation tooth portion is generally gradually reduced in a direction approaching to the circumferential edge of the first insulation tooth portion, and the second protruding ribs are arranged in a triangular shape and can be matched with the shape of the first insulation tooth portion, so that the winding wire can be stably limited. Likewise, the thickness of the second insulating tooth portion is generally gradually reduced in a direction approaching the circumferential edge of the second insulating tooth portion, and the fourth bead is provided in a triangular shape to be able to adapt to the shape of the second insulating tooth portion, so that the winding wire can be stably restrained.

In any of the above-described aspects, when the first frame and the second frame are embedded in both sides of the chain stator core, at least a portion of the first limit portion and at least a portion of the second limit portion overlap each other in the circumferential direction of the chain stator core.

In the technical scheme, the length of the winding groove is L1 along the axial direction of the chain type stator core, the sum of the lengths of the first limiting part and the second limiting part which are positioned in the winding groove is L2, and L2 is more than L1, so that the first limiting part and the second limiting part which are positioned in the winding groove are distributed in the winding groove in a staggered manner. Moreover, along chain stator core's circumference, first spacing portion and second spacing portion at least partially coincide, so, along chain stator core's radial, do not have the clearance between first spacing portion and the second spacing portion, first spacing portion and second spacing portion can carry out complete shielding to the lateral part of sub-iron core, and the wire winding is difficult for sliding to between two adjacent sub-iron cores, improves the spacing stability of first spacing portion and second spacing portion.

In any of the above-mentioned technical solutions, when the first frame and the second frame are embedded on both sides of the chain stator core, at least a portion of the first limiting portion and at least a portion of the second limiting portion are attached to each other along a circumferential direction of the chain stator core.

In this technical scheme, along chain stator core's circumference, first spacing portion and second spacing portion at least partially coincide, so, along chain stator core's radial, there is not the clearance between first spacing portion and the second spacing portion. Along chain stator core's circumference, first spacing portion and the laminating of second spacing portion to make the wire winding be difficult for wearing out between first spacing portion and the second spacing portion, further improve the spacing stability to the wire winding.

In any of the above solutions, the insulating frame further includes: the holding groove is arranged on one of the first limiting part and the second limiting part, and under the condition that the first frame and the second frame are embedded on two sides of the chain type stator core, the other one of the first limiting part and the second limiting part is inserted into the holding groove.

In this technical scheme, the circumference of chain stator core, first spacing portion and the laminating of second spacing portion, on this basis, set up the holding tank on one of first spacing portion and second spacing portion to the holding tank sets up and carries out exemplary illustration on first spacing portion.

Set up the holding tank in the first spacing portion, under the condition that first frame and second frame inlay the both sides of locating chain stator core, a portion of second spacing portion stretches into to the holding tank to make first spacing portion and second spacing portion can be inseparabler cooperation, thereby further improve the spacing stability to the wire winding. Moreover, through holding some second spacing portion to the holding tank in, under the condition of first spacing portion and the laminating of second spacing portion, the second spacing portion just need not bulge the surface of first spacing portion to can be with comparatively leveling that the surface setting of first spacing portion and second spacing portion towards wire winding groove one side, the wire winding is difficult for being blocked between first spacing portion and second spacing portion, thereby is favorable to promoting the stability of wire winding in-process.

In any of the above technical solutions, the stator further includes: the conductive contact pin is used for being electrically connected with the winding wire; the insulating frame further includes: the pin slot is arranged on the first frame or the second frame and is used for inserting the conductive pin.

In the technical scheme, the conductive contact pin is arranged on the first frame or the second frame, the conductive contact pin is used as a middle conductive component, one end of the conductive contact pin is used for being connected with a winding on the stator core, and the other end of the conductive contact pin is used for being electrically connected with an external power supply. The first frame or the second frame is provided with a pin slot, and the conductive pin can be inserted into the pin slot, so that the conductive pin is fixed on the first frame or the second frame.

In one possible application, the conductive pins may be inserted into the pin slots by interference, so that the conductive pins may be inserted into the pin slots so that the conductive pins are not easily separated from the pin slots. The conductive contact pin can be locked in the contact pin groove by a locking piece such as a screw.

In any of the above solutions, the insulating frame further includes: and the supporting part is arranged on the first frame or the second frame, is positioned on one side of the pin slot and is used for supporting the winding.

In this embodiment, the first frame or the second frame is provided with a support portion, and the support portion and the pin groove are provided on the same one of the first frame and the second frame. The support portion is disposed on the first frame for illustration, the support portion is a protruding structure on the first frame, and the support portion and the first frame may be an integrally formed structure. The supporting part is located one side of contact pin groove, and the supporting part is close to contact pin groove and arranges, when being connected wire winding and electrically conductive contact pin, and the supporting part can support the wire winding, avoids the unsettled arrangement of wire winding near the electrically conductive contact pin. In the process after winding, the winding near the conductive pin is not easy to break by tools, processing equipment and the like, so that the damage rate can be reduced.

In any of the above solutions, the insulating frame further includes: one of the pin slot and the wire column is arranged on the first frame, the other is arranged on the second frame, and the wire column is used for limiting winding.

In this technical solution, the wire studs are provided on the first frame and the second frame, the pin slots and the wire studs are provided on different frames, for example, the pin slots are provided on the first frame, and the wire studs are provided on the second frame.

The wire pole can be used for limiting the winding, so that the winding can be wound along the designed direction, and the convenience in the winding process is improved.

For example, a wire slot is formed between the wire post and the second frame, and the wire is confined within the wire slot. Or, the wire winding can bypass the wire guide post, so that the trend of the wire winding is changed, and the wire winding is wound along the designed direction.

In any of the above solutions, the insulating frame further includes: the protection plate is arranged on the first frame or the second frame, a through hole is formed in the protection plate, and the conductive contact pin can pass through the through hole.

In this technical solution, the protection plate is disposed on the first frame or the second frame, specifically, the protection plate and the pin slot are disposed on the same frame, and the protection plate is disposed on the first frame for exemplary illustration.

Be provided with the through-hole on the guard plate, when the guard plate covers on a part of surface of first frame, the through-hole on the guard plate can be passed to conductive contact pin, and the guard plate can play the effect of protection to conductive contact pin, can avoid conductive contact pin to be taken place by the condition of bending, improves conductive contact pin's stability in use, reduces conductive contact pin's damage rate.

In one possible application, the conductive pins are in interference fit with the through holes, so that the protection plate is not easy to separate from the conductive pins, and the protection plate is locked to the first frame through the interference fit of the conductive pins and the through holes without using an additional locking part, so that the assembly convenience is improved. Of course, in order to further improve the mounting stability of the shielding plate, a locking member such as a screw may be used to lock the shielding plate to the first frame.

In any of the above solutions, the insulating frame further includes: and the positioning part is arranged on the first frame and the second frame and is used for being connected with a positioning tool, and the positioning tool is used for positioning the first frame and the second frame.

In the technical scheme, in the process of assembling the first frame and the second frame onto the stator core, the first frame and the second frame are required to be fixed by using a positioning tool, and the first frame and the second frame are prevented from shaking in the assembling process. The first frame and the second frame are respectively provided with a positioning part for positioning workers

The dress can use with the location portion cooperation to improve the location frock and to the 5 position stability of fixing a position of first frame and second frame.

In a second aspect, the present utility model proposes a stator comprising: a chain type stator core; the insulating frame as in the first aspect, the first frame and the second frame are embedded in both sides of the chain type stator core in an axial direction of the chain type stator core.

In a third aspect, the present utility model proposes an electric machine comprising: a rotor; the stator as in 0 in the second aspect, wherein the rotor is provided in the stator.

In a fourth aspect, the present utility model proposes an electrical appliance comprising: a motor as in the third aspect.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 shows one of schematic structural views of an insulating frame in an embodiment of the present utility model;

FIG. 2 shows a second schematic diagram of the structure of an insulating frame in an embodiment of the utility model; FIG. 3 shows one of the structural schematic diagrams of the first frame in an embodiment of the utility model;

FIG. 4 shows a second schematic structural view of the first frame in an embodiment of the present utility model;

FIG. 5 shows one of the structural schematic diagrams of the second frame in an embodiment of the utility model;

FIG. 6 shows a second schematic structural view of a second frame in an embodiment of the present utility model;

fig. 7 shows one of the intents of fig. 5 for the assembly of the insulating frame and the chain stator core in the embodiment of the present utility model;

fig. 8 is a schematic view showing the structure of a second frame and a chain type stator core in the embodiment of the present utility model;

fig. 9 shows a second schematic view of an assembly of an insulating frame and a chain type stator core in an embodiment of the present utility model;

Fig. 10 shows a schematic diagram of windings on a chain type stator core in an embodiment of the present utility model;

fig. 11 is a schematic view showing the structure of a plurality of sub-cores in the embodiment of the present utility model;

fig. 12 shows one of structural schematic diagrams of a stator in an embodiment of the present utility model;

FIG. 13 shows a second schematic structural view of a stator in an embodiment of the utility model;

FIG. 14 shows a third schematic structural view of a stator in an embodiment of the utility model;

fig. 15 shows a fourth schematic structural view of a stator in an embodiment of the present utility model.

Reference numerals:

100 insulating frames, 110 first frames, 111 pin slots, 112 supporting parts, 113 lead posts, 114 protection plates, 115 through holes, 116 positioning parts, 117 first insulating tooth parts, 118 first insulating yoke parts, 120 second frames, 121 second insulating tooth parts, 122 second insulating yoke parts, 130 first limiting parts, 131 first convex ribs, 132 second convex ribs, 133 accommodating slots, 140 second limiting parts, 141 third convex ribs, 142 fourth convex ribs, 200 chain type stator cores, 210 winding wires, 220 winding wire slots, 230 sub cores, 231 stator teeth, 232 stator yokes and 240 conductive pins.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

An insulating frame 100, a stator, a motor, and an electric appliance provided according to some embodiments of the present utility model are described below with reference to fig. 1 to 15.

As shown in fig. 1, 2, 3, 4, 5, 6 and 11, in an embodiment of the present utility model, an insulating frame 100 is provided, the insulating frame 100 is used for a stator, the stator includes a chain type stator core 200, the chain type stator core 200 is formed by enclosing a plurality of sub-cores 230 connected in sequence, and the chain type stator core 200 is provided with a winding slot 220.

As shown in conjunction with fig. 7, 8, 10 and 12, the insulating frame 100 includes: the first frame 110, the second frame 120, the first limiting portion 130 and the second limiting portion 140 are embedded in both sides of the chain type stator core 200 along the axial direction of the chain type stator core 200, and the first frame 110 and the second frame 120 are embedded in both sides of the chain type stator core 200. The first limiting portion 130 is disposed on the first frame 110, and the second limiting portion 140 is disposed on the second frame 120. In the case that the first and

second frames

110 and 120 are embedded at both sides of the chain type stator core 200, the first and second limiting

parts

130 and 140 are located in the winding grooves 220, and the first and second limiting

parts

130 and 140 are used to limit the movement of the winding 210 in the stator between the adjacent two sub-cores 230.

The insulating frame 100 provided in this embodiment needs to be assembled by embedding the insulating frame 100 along two sides of the chain type stator core 200 in the axial direction, and divides the insulating frame 100 into a first frame 110 and a second frame 120, wherein the first frame 110 is inserted into the chain type stator core 200 from one side of the chain type stator core 200 in the axial direction, and the second frame 120 is inserted into the chain type stator core 200 from the other side of the chain type stator core 200 in the axial direction. The first and

second frames

110 and 120 may be understood as the upper and lower insulating

frames

100 and 100, and the upper and lower insulating

frames

100 and 100 are embedded in the chain stator core 200 to be fixed.

In the case where the first and

second frames

110 and 120 are embedded in the chain type stator core 200, a portion of the first frame 110 is located in the winding slot 220 of the chain type stator core 200 and a portion of the second frame 120 is also located in the winding slot 220, thereby separating the winding from the chain type stator core 200 by the first and

second frames

110 and 120.

The plurality of sub-cores 230 are distributed along a straight line before the winding 210, and after the winding 210 is completed, the plurality of sub-cores 230 are assembled into one complete chain type stator core 200 in the circumferential direction.

In the winding 210 process, since the plurality of sub-cores 230 are not assembled into one complete chain-type stator core 200, the side portions of the sub-cores 230 have openings, and the first limiting portion 130 limits the winding 210, so that the winding 210 cannot move between two adjacent sub-cores 230, and the winding 210 cannot be separated from the sub-cores 230. Through setting up first spacing portion 130 and second spacing portion 140 on insulating frame 100, be favorable to improving the stability of wire winding 210 in-process, wire winding 210 in-process can not break away from the wire casing of ion core 230 to save the process of rearranging wire winding 210 to breaking away from the part, reduce wire winding 210 degree of difficulty, be favorable to improving wire winding 210 efficiency.

As shown in conjunction with fig. 1 and 2, in the above-described embodiment, the first and

second stopper portions

130 and 140 extend in the axial direction of the chain type stator core 200.

In this embodiment, after the winding 210 on the chain stator core 200 is completed, the winding 210 is distributed on the first skeleton along the axial direction of the chain stator core 200, and the first limiting portion 130 extends along the axial direction of the chain stator core 200, so that most of the winding 210 on the first skeleton can be limited by the first limiting portion 130, thereby improving the stability of limitation on the winding 210 and further improving the stability of the winding 210 in the winding 210 process.

Similarly, the windings 210 are distributed on the second skeleton along the axial direction of the chain stator core 200, and the second limiting portion 140 extends along the axial direction of the chain stator core 200, so that most of the windings 210 on the second skeleton can be limited by the second limiting portion 140, thereby improving the limiting stability of the windings 210 and further improving the stability of the windings 210 in the winding 210 process.

In any of the above embodiments, the first frame 110 includes the first insulated tooth portion 117 and the first insulated yoke portion 118, the first insulated tooth portion 117 is connected to the first insulated yoke portion 118, the second frame 120 includes the second insulated tooth portion 121 and the second insulated yoke portion 122, and the second insulated tooth portion 121 is connected to the second insulated yoke portion 122. The first limiting portion 130 is provided on a side of the first insulating yoke portion 118 facing the axis of the chain stator core and/or a side of the first insulating tooth portion 117 facing away from the axis, and the second limiting portion 140 is provided on a side of the second insulating yoke portion 122 facing the axis and/or a side of the second insulating tooth portion 121 facing away from the axis.

The chain type stator core 200 includes stator teeth 231 and stator yokes 232, the first frame 110 includes first insulation teeth 117 and first insulation yokes 118, the second frame 120 includes second insulation teeth 121 and second insulation yokes 122, and the first insulation teeth 117 and second insulation teeth 121 correspond to positions of the stator teeth 231 and the first insulation yokes 118 and second insulation yokes 122 correspond to positions of the stator yokes 232 when the first frame 110 and the second frame 120 are assembled to the chain type stator core 200. The first insulated tooth 117 and the second insulated tooth 121 serve to separate the winding from the stator tooth 231, and the first insulated yoke 118 and the second insulated yoke 122 serve to separate the winding from the stator yoke 232.

The first stopper 130 is provided on the first insulating yoke 118 and/or the first insulating tooth 117, and in particular, the first stopper 130 may be provided on a side of the first insulating yoke 118 facing the axis of the chain stator core 200, which is referred to hereinafter as the axis of the chain stator core 200 for convenience of description, or the first stopper 130 may be provided on a side of the first insulating tooth 117 facing away from the axis.

The second limit portion 140 is provided on the second insulating yoke portion 122 and/or the second insulating tooth portion 121. In particular, the second stopper 140 may be provided at a side of the second insulating yoke 122 facing the axis, or the second stopper 140 may be provided at a side of the second insulating tooth 121 facing away from the axis.

For example, the first limiting portion 130 is disposed on the first insulating yoke 118, and the second limiting portion 140 is disposed on the second insulating yoke 122, where the first limiting portion 130 protrudes from a side of the first insulating yoke 118 facing the axis, and in the winding process, since the plurality of sub-cores 230 are not assembled into a complete chain-type stator core, the side portion of the sub-core 230 has an opening, and the winding is limited by the first limiting portion 130, so that the winding cannot move between two adjacent sub-cores 230. The winding wire is limited by the second limiting part 140, and the winding wire is not separated from the ion core 230.

As shown in fig. 3, 4, 5 and 6, in any of the above embodiments, the first limiting portion 130 includes: the first ribs 131 are arranged on one side of the first insulation yoke part facing the axis, and the second ribs 132 are arranged on one side of the first insulation tooth part facing away from the axis. The second limiting part 140 includes: a third rib 141 and a fourth rib 142, the third rib 141 being provided on a side of the second insulation yoke facing the axis, the fourth rib 142 being provided on a side of the second insulation tooth facing away from the axis.

In this embodiment, the first ribs 131 are disposed on the side of the first insulating yoke facing the axis, and in the process of winding 210, since the plurality of sub-cores 230 are distributed along the linear direction, a V-shaped opening is formed between the first insulating yokes of two adjacent sub-cores 230, the winding 210 is limited by the first ribs 131, so that the winding 210 is prevented from falling into the V-shaped opening during the winding 210 process, the process of rearranging the winding 210 separated from the part is omitted in the winding 210 process, the difficulty of winding 210 is reduced, and the efficiency of winding 210 is improved. In addition, the first ribs 131 limit the winding 210, so that the creepage distance between the winding 210 and the chain type stator core 200 and the electrical appliance distance can be increased when the high slot full rate is increased, the proportion of defective products among voltage-resistant turns is reduced, and the manufacturing cost of the stator is reduced.

The second ribs 132 are disposed on a side of the first insulating tooth facing away from the axis, and during the winding 210, the second ribs 132 can limit the winding 210 from being separated from the iron core 230, so as to improve the stability of the winding 210. Moreover, the second ribs 132 can limit the winding 210 from being too close to the butt joint of the two adjacent sub-cores 230, so that the second ribs 132 are used for isolating the winding 210 from the chain stator core 200, which is beneficial to improving the working performance of the stator.

The third protruding rib 141 is disposed on one side of the second insulating yoke facing the axis, in the winding 210 process, since the plurality of sub-cores 230 are distributed along the linear direction, a V-shaped opening is formed between the second insulating yokes of two adjacent sub-cores 230, the winding 210 is limited by the third protruding rib 141, the winding 210 is prevented from falling into the V-shaped opening when the winding 210 is processed, in the winding 210 process, the process of rearranging the winding 210 separated from the part is omitted, the difficulty of the winding 210 is reduced, and the efficiency of the winding 210 is improved. In addition, the third ribs 141 limit the winding 210, so that the creepage distance between the winding 210 and the chain type stator core 200 and the electrical appliance distance can be increased when the high slot full rate is increased, the proportion of defective products among voltage-resistant turns is reduced, and the manufacturing cost of the stator is reduced.

The fourth ribs 142 are disposed on a side of the second insulating tooth facing away from the axis, and in the winding 210 process, the fourth ribs 142 can limit the winding 210 from being separated from the iron core 230, so as to improve stability of the winding 210. Moreover, the fourth ribs 142 can limit the winding 210 from being too close to the butt joint of the two adjacent sub-cores 230, so that the fourth ribs 142 are used for isolating the winding 210 from the chain stator core 200, which is beneficial to improving the working performance of the stator.

In any of the above embodiments, the first and

second frames

110 and 120 are taken along the radial direction of the chain stator core 200, the first and

third beads

131 and 141 have a trapezoidal or rectangular cross section, and the second and

fourth beads

132 and 142 have a triangular cross section.

In this embodiment, the thickness of the first insulation yoke portion is substantially unchanged or less in the radial direction of the chain type stator core 200, and the first beads 131 may be provided with a trapezoid or rectangle so that the angle between the first beads 131 and the first insulation yoke portion may be close to a right angle, thereby enabling the first beads 131 to effectively limit the winding wire 210. Likewise, the thickness of the second insulation yoke portion is substantially unchanged or less in variation along the radial direction of the chain type stator core 200, and the third bead 141 may be provided with a trapezoid or rectangle, so that an included angle between the third bead 141 and the second insulation yoke portion may be close to a right angle, and thus the third bead 141 may effectively limit the winding 210.

The thickness of the first insulation teeth is generally gradually reduced toward the circumferential edge of the first insulation teeth, and the second ribs 132 are configured in a triangular shape to be able to fit the shape of the first insulation teeth, so that the wire 210 can be stably restrained. Likewise, the thickness of the second insulating tooth portion is generally gradually reduced toward the circumferential edge of the second insulating tooth portion, and the fourth bead 142 is provided in a triangular shape to be able to adapt to the shape of the second insulating tooth portion, so that the wire 210 can be stably restrained.

As shown in fig. 1 and 2, in any of the above embodiments, in a case where the first frame 110 and the second frame 120 are embedded on both sides of the chain stator core 200, at least a portion of the first stopper 130 and at least a portion of the second stopper 140 overlap in the circumferential direction of the chain stator core 200.

In this embodiment, in the axial direction of the chain stator core 200, the length of the winding slot 220 is set to L1, and the sum of the lengths of the first and second limiting

portions

130 and 140 located in the winding slot 220 is L2, where L2 > L1, and therefore, the first and second limiting

portions

130 and 140 located in the winding slot 220 are staggered in the winding slot 220. Moreover, along the circumference of the chain stator core 200, the first limiting portion 130 and the second limiting portion 140 are at least partially overlapped, so that no gap exists between the first limiting portion 130 and the second limiting portion 140 along the radial direction of the chain stator core 200, the first limiting portion 130 and the second limiting portion 140 can completely shield the side portions of the sub-cores 230, the winding 210 is not easy to slide between two adjacent sub-cores 230, and the limiting stability of the first limiting portion 130 and the second limiting portion 140 is improved.

As shown in fig. 1 and 2, in any of the above embodiments, when the first frame 110 and the second frame 120 are embedded on both sides of the chain stator core 200, at least a portion of the first stopper 130 and at least a portion of the second stopper 140 are bonded to each other in the circumferential direction of the chain stator core 200.

In this embodiment, the first and

second stopper portions

130 and 140 at least partially overlap in the circumferential direction of the chain type stator core 200, so that there is no gap between the first and

second stopper portions

130 and 140 in the radial direction of the chain type stator core 200. Along the circumference of the chain type stator core 200, the first limiting part 130 and the second limiting part 140 are attached, so that the winding 210 is not easy to penetrate out between the first limiting part 130 and the second limiting part 140, and the limiting stability of the winding 210 is further improved.

As shown in connection with fig. 1 and 2, in any of the above embodiments, the insulating frame 100 further includes: the accommodating groove 133 is formed in one of the first and second limiting

portions

130 and 140, and when the first and

second frames

110 and 120 are embedded in both sides of the chain stator core 200, the other one of the first and second limiting

portions

130 and 140 is inserted into the accommodating groove 133.

In this embodiment, the first and

second stopper portions

130 and 140 are fitted in the circumferential direction of the chain stator core 200, and on the basis of this, the receiving groove 133 is provided on one of the first and

second stopper portions

130 and 140, so that the receiving groove 133 is provided on the first stopper portion 130 for exemplary illustration.

The accommodating groove 133 is formed in the first limiting portion 130, and when the first frame 110 and the second frame 120 are embedded in two sides of the chain type stator core 200, a part of the second limiting portion 140 extends into the accommodating groove 133, so that the first limiting portion 130 and the second limiting portion 140 can be matched more tightly, and limiting stability of the winding 210 is further improved. Moreover, through holding some second spacing portion 140 to holding tank 133 in, under the condition of first spacing portion 130 and the laminating of second spacing portion 140, second spacing portion 140 just need not bulge first spacing portion 130's surface to can be with comparatively leveling that first spacing portion 130 and second spacing portion 140 set up towards the surface of wire winding groove 220 one side, wire winding 210 is difficult for being blocked between first spacing portion 130 and second spacing portion 140, thereby is favorable to promoting the stability of wire winding 210 in-process.

As shown in connection with fig. 3, 9, 13 and 14, in any of the above embodiments, the stator further includes: conductive pins 240, conductive pins 240 are used to electrically connect with windings 210. The insulating frame 100 further includes: the pin groove 111 is provided in the first frame 110 or the second frame 120, and the pin groove 111 is used for inserting the conductive pin 240.

In this embodiment, the conductive pins 240 are mounted on the first frame 110 or the second frame 120, the conductive pins 240 serve as intermediate conductive members, one end of the conductive pins 240 is used to connect with the windings 210 on the stator core 230, and the other end of the conductive pins 240 is used to electrically connect with an external power source. The pin grooves 111 are provided on the first frame 110 or the second frame 120, and the conductive pins 240 can be inserted into the pin grooves 111, thereby fixing the conductive pins 240 to the first frame 110 or the second frame 120.

In one possible application, the conductive pin 240 may be inserted into the pin slot 111 by interference, such that the conductive pin 240 may be inserted tightly into the pin slot 111 such that the conductive pin 240 is not easily separated from the pin slot 111. The conductive pins 240 may also be locked into the pin slots 111 by locking members such as screws.

As shown in connection with fig. 3 and 4, in any of the above embodiments, the insulating frame 100 further includes: the supporting portion 112, the supporting portion 112 is disposed on the first frame 110 or the second frame 120, the supporting portion 112 is located at one side of the pin slot 111, and the supporting portion 112 is used for supporting the winding 210.

In this embodiment, the support 112 is provided on the first frame 110 or the second frame 120, and the support 112 and the pin groove 111 are provided on the same one of the first frame 110 and the second frame 120. For example, the supporting portion 112 is disposed on the first frame 110, the supporting portion 112 is a protruding structure on the first frame 110, and the supporting portion 112 and the first frame 110 may be an integrally formed structure. The supporting portion 112 is located at one side of the pin slot 111, the supporting portion 112 is arranged close to the pin slot 111, and when the winding 210 is connected with the conductive pin 240, the supporting portion 112 can support the winding 210, so that the winding 210 near the conductive pin 240 is prevented from being suspended. In the process after the winding 210, the winding 210 near the conductive pin 240 is not easily broken by tools, processing equipment, etc., so that the damage rate can be reduced.

As shown in connection with fig. 5 and 6, in any of the above embodiments, the insulating frame 100 further includes: one of the wire post 113, the pin slot 111 and the wire post 113 is disposed on the first frame 110, the other is disposed on the second frame 120, and the wire post 113 is used for limiting the winding 210.

In this embodiment, the wire studs 113 are provided on the first frame 110 and the second frame 120, the pin grooves 111 and the wire studs 113 are provided on different frames, for example, the pin grooves 111 are provided on the first frame 110, and the wire studs 113 are provided on the second frame 120.

The wire pole 113 can limit the winding 210, so that the winding 210 can be wound along a designed direction, and convenience in the winding 210 process is improved.

For example, a wiring groove is formed between the wire post 113 and the second frame 120, and the wire 210 is confined in the wiring groove. Alternatively, the winding 210 may bypass the wire peg 113, thereby changing the direction of the winding 210, and further enabling the winding 210 to wind along a designed direction.

As shown in connection with fig. 13, 14 and 15, in any of the above embodiments, the insulating frame 100 further includes: the protection plate 114 is disposed on the first frame 110 or the second frame 120, the protection plate 114 is provided with a through hole 115, and the conductive pin 240 can pass through the through hole 115.

In this embodiment, the shielding plate 114 is provided on the first frame 110 or the second frame 120, specifically, the shielding plate 114 is provided on the same frame as the pin slot 111, and the shielding plate 114 is provided on the first frame 110 as exemplified.

Be provided with through-hole 115 on guard plate 114, guard plate 114 cover when the part surface of first frame 110, the through-hole 115 on the guard plate 114 can be passed to electrically conductive contact pin 240, and guard plate 114 can play the effect of protection to electrically conductive contact pin 240, can avoid electrically conductive contact pin 240 to be bent the condition emergence, improves electrically conductive contact pin 240's stability in use, reduces electrically conductive contact pin 240's damage rate.

In one possible application, the conductive pins 240 are in interference fit with the through holes 115, so that the protection plate 114 is not easily separated from the conductive pins 240, and the protection plate 114 is locked to the first frame 110 by the interference fit of the conductive pins 240 and the through holes 115 without using an additional locking component, thereby improving the assembly convenience. Of course, in order to further improve the mounting stability of the shielding plate 114, a locking member such as a screw may be used to lock the shielding plate 114 to the first frame 110.

As shown in connection with fig. 4 and 5, in any of the above embodiments, the insulating frame 100 further includes: the positioning part 116, the positioning part 116 is arranged on the first frame 110 and the second frame 120, the positioning part 116 is used for being connected with a positioning tool, and the positioning tool is used for positioning the first frame 110 and the second frame 120.

In this embodiment, in the process of assembling the first frame 110 and the second frame 120 to the stator core 230, it is necessary to fix the first frame 110 and the second frame 120 using a positioning tool, so as to prevent the first frame 110 and the second frame 120 from shaking during the assembling process. The positioning portions 116 are arranged on the first frame 110 and the second frame 120, and the positioning tool can be matched with the positioning portions 116, so that the positioning stability of the positioning tool on the first frame 110 and the second frame 120 is improved.

In an embodiment of the present utility model, there is provided a stator including: the insulating frame 100 in the above embodiment can achieve the technical effects of the above embodiment, and therefore, the stator in this embodiment is not described herein.

The stator further includes: the chain type stator core 200 is embedded in both sides of the chain type stator core 200 along an axial direction of the chain type stator core 200, the first frame 110 and the second frame 120.

Through setting up first spacing portion 130 and second spacing portion 140 on insulating frame 100, be favorable to improving the stability of wire winding 210 in-process, wire winding 210 in-process can not break away from the wire casing of ion core 230 to save the process of rearranging wire winding 210 to breaking away from the part, reduce wire winding 210 degree of difficulty, be favorable to improving wire winding 210 efficiency.

The chain type stator core 200 is of a chain type integrated structure, the chain type stator core 200 comprises 2N stator teeth 231 and 2N stator yokes 232, and 2N-1V-shaped openings with an included angle of 5N degrees are formed between two adjacent stator yokes 232.

In an embodiment of the present utility model, there is provided an electric motor including: the rotor and the stator of the above embodiment are disposed in the stator, so that the motor of the present embodiment can achieve the technical effects of the above embodiment, and will not be described herein.

In one possible application, the motor in this embodiment is a brushless dc motor.

In one possible application, the stator is manufactured by the following steps: the insulating frame 100 is inserted into the chain type stator core 200, the conductive pins 240 are inserted into the insulating frame 100, the insulating frame 100 is turned into a winding device to perform stator winding, the stator is turned into a bending welding device to perform stator welding, the stator assembly voltage resistance and turn-to-turn detection are performed, and the protection plate 114 is installed.

In the embodiment of the present utility model, an electrical apparatus is provided, which includes the motor in the above embodiment, so that the electrical apparatus in this embodiment can achieve the technical effects in the above embodiment, and will not be described herein.

In one possible application, appliances include household appliances and commercial appliances.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An insulating frame for the stator, the stator includes chain stator core, chain stator core is enclosed by a plurality of sub-iron cores that link to each other in proper order and is closed the formation, chain stator core is equipped with the wire winding groove, its characterized in that, insulating frame includes:

A first frame;

the second frames are embedded on two sides of the chain type stator core along the axial direction of the chain type stator core;

the first limiting part is arranged on the first frame;

the second limiting part is arranged on the second frame;

under the condition that the first frame and the second frame are embedded on two sides of the chain type stator core, the first limiting part and the second limiting part are located in the winding groove, and the first limiting part and the second limiting part are used for limiting winding in the stator to move between two adjacent stator cores.

2. The insulating frame of claim 1, wherein the first and second limit portions extend in an axial direction of the chain stator core.

3. The insulating frame according to claim 1, characterized in that the first frame comprises a first insulating tooth and a first insulating yoke, the first insulating tooth being connected to the first insulating yoke, the first limit portion being provided in the first insulating yoke on the side facing the axis of the chain stator core and/or on the side of the first insulating tooth facing away from the axis;

The second frame comprises a second insulating tooth part and a second insulating yoke part, the second insulating tooth part is connected with the second insulating yoke part, and the second limiting part is arranged on one side of the second insulating yoke part facing to the axis and/or one side of the second insulating tooth part facing away from the axis.

4. The insulating frame of claim 3, wherein the first limiting portion comprises:

a first rib provided on a side of the first insulating yoke portion facing the axis;

the second convex rib is arranged on one side, away from the axis, of the first insulating tooth part;

the second limiting portion includes:

a third rib provided on a side of the second insulating yoke portion facing the axis;

and the fourth convex rib is arranged on one side of the second insulating tooth part, which is away from the axis.

5. The insulating frame according to claim 4, wherein the first and second frames are taken along the radial direction of the chain stator core, the first and third beads have a trapezoidal or rectangular cross section, and the second and fourth beads have a triangular cross section.

6. The insulating frame according to any one of claims 1 to 5, wherein in a case where the first frame and the second frame are embedded on both sides of the chain stator core, at least a portion of the first limit portion and at least a portion of the second limit portion overlap in a circumferential direction of the chain stator core.

7. The insulating frame according to any one of claims 1 to 5, wherein in a case where the first frame and the second frame are embedded on both sides of the chain stator core, at least a part of the first stopper portion and at least a part of the second stopper portion are fitted together in a circumferential direction of the chain stator core.

8. The insulating frame of any one of claims 1 to 5, further comprising:

the holding groove is arranged on one of the first limiting part and the second limiting part, and the first frame and the second frame are embedded on two sides of the chain type stator core, and the other one of the first limiting part and the second limiting part is inserted into the holding groove.

9. The insulating frame of any one of claims 1 to 5, wherein the stator further comprises: the conductive pin is used for being electrically connected with the winding wire;

the insulating frame further includes:

the pin slot is arranged on the first frame or the second frame and is used for inserting the conductive pin.

10. The insulating frame of claim 9, further comprising:

The supporting part is arranged on the first frame or the second frame, is positioned on one side of the pin slot and is used for supporting the winding.

11. The insulating frame of claim 9, further comprising:

and one of the pin slot and the wire pole is arranged on the first frame, the other is arranged on the second frame, and the wire pole is used for limiting the winding.

12. The insulating frame of claim 9, further comprising:

the protection plate is arranged on the first frame or the second frame, a through hole is formed in the protection plate, and the conductive contact pin can pass through the through hole.

13. The insulating frame of any one of claims 1 to 5, further comprising:

the positioning part is arranged on the first frame and the second frame and is used for being connected with a positioning tool, and the positioning tool is used for positioning the first frame and the second frame.

14. A stator, comprising:

a chain type stator core;

the insulating frame according to any one of claims 1 to 13, wherein the first frame and the second frame are embedded on both sides of the chain type stator core in an axial direction of the chain type stator core.

15. An electric machine, comprising:

a rotor;

the stator of claim 14, the rotor being disposed within the stator.

16. An electrical appliance, comprising:

the electric machine of claim 15.