CN110829672A - An insulating skeleton structure, stator and motor - Google Patents

Abstract

The invention discloses an insulating skeleton structure, a stator and a motor, relates to the technical field of motors, and solves the problem that the enameled wire in the prior art lacks a protective structure and is easily damaged during assembly. The insulating skeleton structure of the present invention is used to cover the surface of the iron core, and includes an inner baffle plate, an outer baffle plate and a connecting part, wherein the inner baffle plate is located on the upper and lower sides of the inner circle of the iron core, and the outer baffle plate is located on the iron core yoke The upper and lower sides of the part, the connecting part is located between the inner baffle and the outer baffle. The insulating skeleton structure of the present invention is made of insulating material and is covered on the surface of the iron core, which has a certain thickness, which can effectively separate the iron core and the winding, and increase the electrical safety distance between the iron core and the winding; on the other hand, , The insulating skeleton structure can not only protect the enameled wire, but also prevent the enameled wire from being damaged when making the stator, but also effectively prevent the enameled wire from collapsing.

Description

An insulating skeleton structure, stator and motor

technical field

The invention relates to the technical field of motors, and in particular to an insulating skeleton structure, a stator and a motor.

Background technique

The straight stator iron core of the traditional AC motor is covered with a layer of skeleton to achieve the purpose of insulation by injection molding, but the skeleton structure is simple and the reliability is insufficient. fly edge. The applicant found that the traditional skeleton at least has the following defects: the enameled wire has no protective structure, and the enameled wire is easily damaged during assembly; the safety performance of the traditional skeleton is also difficult to meet the growing market demand, and the safety distance between the enameled wire and the iron core is likely to be insufficient. Seriously affect product quality; the traditional skeleton has a single function and cannot meet the process requirements of different motors, such as the inability to install circuit boards, and the inability to locate power lines and protectors.

SUMMARY OF THE INVENTION

One of the purposes of the present invention is to provide an insulating skeleton structure, a stator and a motor, which solves the technical problem that the enameled wire lacks a protective structure in the prior art and is easily damaged during assembly. The technical effects that can be produced by the preferred technical solutions of the present invention are described in detail below.

For achieving the above object, the invention provides the following technical solutions:

The insulating skeleton structure of the present invention is used to cover the surface of the iron core, and includes an inner baffle, an outer baffle and a connecting portion, wherein the inner baffle is located on the upper and lower sides of the inner circle of the iron core, and the outer baffle is located on the upper and lower sides of the inner circle of the iron core. The baffles are located on the upper and lower sides of the yoke portion of the iron core, and the connecting portion is located between the inner baffle and the outer baffle.

According to a preferred embodiment, the inner diameter of the inner baffle is larger than the inner diameter of the iron core, and the height of the inner baffle is larger than the height of the iron core winding.

According to a preferred embodiment, the ends of the inner baffle and/or the outer baffle are rounded.

According to a preferred embodiment, the inner baffle is provided with a plurality of reinforcing ribs, the plurality of reinforcing ribs are located outside the inner baffle, and the reinforcing ribs connect the inner baffle and the connecting portion.

According to a preferred embodiment, the side of the reinforcing rib away from the inner baffle is arranged in an arc-shaped structure concave toward the inner baffle.

According to a preferred embodiment, the inner baffle is provided with an inner cable tie slot and an inner cable tie opening, wherein the inner cable tie slot is a slot located on the inner side of the inner baffle, and the inner cable tie opening is the opening at the end of the inner baffle.

According to a preferred embodiment, the outer baffle is provided with an outer cable tie opening, and the outer cable tie opening is an opening located at the end of the outer baffle.

According to a preferred embodiment, the connecting portion is provided with a wire tie hole, the wire tie hole is an arched structure or a tubular structure, and the wire tie hole extends from the inner baffle to the outer baffle.

According to a preferred embodiment, the insulating skeleton structure further includes an escape slot, and the escape slot is located at the spliced part of the iron core yoke, so that part of the iron core at the spliced part is exposed to the insulation through the escape slot. Skeleton structure.

According to a preferred embodiment, the insulating frame structure further includes a split baffle, the split baffle is located below the abdication groove, and the split baffle includes a first protruding part and a second protruding part , wherein the first protruding part protrudes toward the splicing part, and there is a gap after two adjacent first protruding parts are spliced; the second protruding part protrudes into the groove.

According to a preferred embodiment, the insulating frame structure further includes a slot baffle, the slot baffle is located at the slot position of the iron core tooth, and the slot baffle includes a third protruding into the slot. a protruding part and a fourth protruding part protruding toward the iron core.

According to a preferred embodiment, the insulating frame structure further includes a plurality of positioning columns, and the positioning columns are located on the upper and lower sides of the connecting portion.

According to a preferred embodiment, the cross section of the positioning column is circular, square or oval, and the height of the positioning column is equal to the height of the inner baffle.

According to a preferred embodiment, the positioning column is provided with a pin hole for fixing the pin, and the pin hole is a structure whose inner diameter gradually decreases from the upper end to the lower end.

According to a preferred embodiment, a boss is provided between the positioning column and the outer baffle, so that the enameled wire and the iron core are separated from each other by the boss.

According to a preferred embodiment, a wire-passing groove is formed between the outer baffle, the positioning post and the boss, and the enameled wire is passed through the wire-passing groove.

According to a preferred embodiment, the insulating frame structure further includes a plurality of buckle columns, the top ends of the buckle columns are provided with an inverted buckle structure, and the inverted buckle structure occupies a part of the area of the top end of the buckle column and protrudes to the side. out of the top of the stud.

According to a preferred embodiment, the insulating skeleton structure is a structure integrally formed by injection molding using insulating materials.

The stator of the present invention includes the insulating skeleton structure described in any of the technical solutions of the present invention.

The motor of the present invention includes the stator described in any one of the technical solutions of the present invention.

The insulating skeleton structure, stator and motor provided by the present invention at least have the following beneficial technical effects:

The insulating skeleton structure of the present invention is made of insulating material and is covered on the surface of the iron core, which has a certain thickness, which can effectively separate the iron core and the winding, and increase the electrical safety distance between the iron core and the winding; on the other hand, , The insulating skeleton structure can not only protect the enameled wire, but also prevent the enameled wire from being damaged when making the stator, but also effectively prevent the enameled wire from collapsing. That is, the insulating skeleton structure of the present invention solves the problem that the enameled wire has no protective structure due to the use of the traditional skeleton, and the enameled wire is easily damaged during assembly.

In addition, the preferred technical solution of the present invention can also produce the following technical effects:

The insulating frame structure of the preferred technical solution of the present invention is provided with baffles at the splicing place, and the first protrusions of the baffles at the splicing place protrude a certain height toward the splicing place. After the iron core is rounded, the baffles of the two first raised parts There is a gap between the plates, so that even if there is a small amount of burrs during manufacture, it can ensure that the rounding will not be affected; Part of the enameled wire is loosened towards the splicing place, increasing the creepage distance between the enameled wire and the iron core at the splicing place, and increasing the safety performance of the insulating skeleton structure. The insulating frame structure of the preferred technical solution of the present invention is also provided with a slot baffle, and the third protrusion of the slot baffle protrudes into the slot, which can prevent part of the enameled wire from loosening to the slot; the fourth part of the slot baffle protrudes into the slot; The raised part protrudes toward the iron core, which can increase the creepage distance between the enameled wire and the slotted iron core, and increase the safety performance of the insulating skeleton structure. That is, the insulating skeleton of the preferred technical solution of the present invention can increase the creepage distance between the enameled wire and the notch iron core through the functions of the spliced baffle plate and the slot baffle plate, and solve the problem that the traditional skeleton is prone to insufficient safety distance between the enameled wire and the iron core, which affects the product. quality issue.

In addition, a buckle column is arranged on the insulating frame structure, and the top of the buckle column is provided with an inverted buckle structure, and the inverted buckle structure occupies part of the area of the top of the buckle column and protrudes from the top of the buckle column to the side. The occupied end face is responsible for carrying the circuit board, and the protruding part of the inverted structure is used to fasten the circuit board so as to fix the circuit board. That is to say, the preferred technical solution of the present invention can be used to fix the circuit board through the provided buckling post, which solves the problem that the traditional skeleton has a single function and cannot install the circuit board.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a preferred embodiment of the stator of the present invention;

Fig. 2 is a partial schematic diagram of a preferred embodiment of the upper end of the stator of the present invention;

3 is a partial schematic diagram of a preferred embodiment of the lower end of the stator of the present invention;

Fig. 4 is a schematic diagram of a preferred embodiment of a reinforcing rib of the present invention;

Figure 5 is a partial top view of a preferred embodiment of the stator of the present invention;

Fig. 6 is a schematic diagram of a preferred embodiment of the giving way slot of the present invention;

FIG. 7 is a schematic diagram of a preferred embodiment of the baffle plate at the splicing part of the present invention;

Figure 8 is a first schematic view of a preferred embodiment of the slot baffle of the present invention;

Figure 9 is a second schematic view of a preferred embodiment of the slot baffle of the present invention.

In the figure: 1-iron core; 10-inner baffle; 20-outer baffle; 30-connecting part; 40-give way slot; 50-joint baffle; 60-slot baffle; 70-positioning column; 80-wire slot; 90-buckle post; 101-reinforcing rib; 102-inner tie slot; 103-inner tie opening; 201-outer tie opening; 301-tie hole; 501-first protrusion ; 502 - the second raised part; 601 - the third raised part; 602 - the fourth raised part; 701 - the pin hole; 702 - the boss;

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The insulating frame structure, the stator and the motor of this embodiment will be described in detail below with reference to FIGS. 1 to 9 .

The insulating skeleton structure of this embodiment is used to cover the surface of the iron core 1 . Preferably, the insulating frame structure includes an inner baffle 10, an outer baffle 20 and a connecting portion 30, wherein the inner baffle 10 is located on the upper and lower sides of the inner circle of the iron core 1, and the outer baffle 20 is located on the upper and lower sides of the iron core yoke, The connecting portion 30 is located between the inner baffle 10 and the outer baffle 20 , as shown in FIGS. 1 to 3 . Preferably, the iron core 1 in this embodiment is a straight stator iron core.

The insulating skeleton structure of this embodiment is made of insulating material and is covered on the surface of the iron core 1, which has a certain thickness, which can effectively separate the iron core 1 and the winding, and increase the electrical safety distance between the iron core 1 and the winding. On the other hand, through the function of the inner baffle 10 and the outer baffle 20, the insulating skeleton structure can not only protect the enameled wire, avoid bumping the enameled wire when making the stator, but also effectively prevent the enameled wire from collapsing. That is, the insulating skeleton structure of this embodiment solves the problem that the enameled wire has no protective structure due to the use of the traditional skeleton, and the enameled wire is easily damaged during assembly.

According to a preferred embodiment, the inner diameter of the inner baffle 10 is larger than that of the iron core 1 , and the height of the inner baffle 10 is larger than the height of the winding of the iron core 1 . Preferably, the inner baffle 10 is perpendicular to the connecting portion 30 and extends away from the two ends of the iron core 1 to a certain height, and its height is greater than the height of the winding, so as to prevent the winding enameled wire from collapsing inwardly, and also to protect the winding, and at the same time, it can increase the Electrical safety distance between enameled wire and rotor.

According to a preferred embodiment, the ends of the inner baffle 10 and/or the outer baffle 20 are provided with rounded corners. Preferably, the ends of the inner baffle 10 and the outer baffle 20 are both set to have rounded corners, as shown in FIGS. 1 to 3 . In the preferred technical solution of this embodiment, the ends of the inner baffle 10 and the outer baffle 20 are both set to have large rounded corners, which can increase the internal clearance of the stator, thereby enhancing the heat dissipation effect inside the stator.

According to a preferred embodiment, the inner baffle 10 is provided with a plurality of reinforcing ribs 101 , the plurality of reinforcing ribs 101 are located outside the inner baffle 10 , and the reinforcing ribs 101 connect the inner baffle 10 and the connecting portion 30 , as shown in FIG. 4 . . Preferably, the side of the reinforcing rib 101 away from the inner baffle 10 is arranged in an arc-shaped structure concave toward the inner baffle 10 , as shown in FIG. 4 . When winding the enameled wire, as the number of turns of the enameled wire increases, the pressure on the inner baffle 10 increases. At this time, the inner baffle 10 has the risk of inward deformation, which will interfere with the assembly of the rotor. The preferred technical solution of this embodiment is to provide a plurality of reinforcing ribs 101 on the inner baffle 10 , and the rigidity of the inner baffle 10 can be enhanced by the reinforcing ribs 101 , and the deformation amount of the inner baffle 10 can be greatly reduced. On the other hand, the side of the reinforcing rib 101 away from the inner baffle 10 is arranged in a concave arc structure toward the inner baffle 10, which can not only increase the hardness of the inner baffle 10, but also does not affect the fill rate of the groove. Will not scratch the enameled wire.

According to a preferred embodiment, the inner baffle 10 is provided with an inner cable tie slot 102 and an inner cable tie opening 103 , as shown in FIG. 1 or 2 . Preferably, the inner tie slot 102 is a slot located on the inner side of the inner baffle 10 ; the inner tie opening 103 is an opening located at the end of the inner baffle 10 , as shown in FIG. 1 or 2 . More preferably, the groove depth and groove width of the inner cable tie groove 102 are not limited and are determined according to the cable tie. The width of the inner cable tie opening 103 is equivalent to the width of the inner cable tie groove 102, and the depth is not limited. The preferred technical solution of this embodiment is to provide an inner cable tie slot 102 and an inner cable tie opening 103 on the inner baffle plate 10. When the cable tie is tied here, the protruding height of the cable tie can be effectively reduced and the space for entering the rotor can be increased. amount to reduce the risk of rubbing the rotor with the tie.

According to a preferred embodiment, the outer baffle 20 is provided with an outer cable tie opening 201 , and the outer cable tie opening 201 is an opening located at the end of the outer baffle 20 , as shown in FIGS. 1 to 3 . Similarly, in the preferred technical solution of this embodiment, the outer baffle 20 is provided with an outer tie opening 201, which can facilitate tying the tie.

According to a preferred embodiment, the connecting portion 30 is provided with a cable tie hole 301 , as shown in FIG. 1 or 2 . Preferably, the cable tie hole 301 has an arched structure, and the cable tie hole 301 extends from the inner baffle 10 to the outer baffle 20 , as shown in FIG. 1 or 2 . The height and width of the tie hole 301 depends on the tie used. Preferably, the cable tie hole 301 may also be a tubular structure. That is, there is an insulating layer inside the inner tie opening 103 and the outer tie opening 201 to be separated from the iron core 1 . The preferred technical solution of this embodiment is the cable tie hole 301 provided on the connecting portion 30. The cable tie hole 301 is used to bind the cable tie together with the inner cable tie slot 102, the inner cable tie opening 103 and the outer cable tie opening 201, and can be fixed. The rest of the components are above the windings, such as protectors, power lines, thermocouple lines, etc.

According to a preferred embodiment, the insulating skeleton structure further includes an escape slot 40, and the escape slot 40 is located at the spliced part of the iron core yoke, so that part of the iron core at the spliced part is exposed to the insulating skeleton structure through the escape slot 40, as shown in FIG. 5 . or 6 shown. Preferably, the shape of the escape groove 40 can be determined according to the shape of the iron core 1 . The abdication groove 40 of the preferred technical solution of this embodiment is formed by hollowing out a certain area along the edge of the iron core 1 so that part of the iron core 1 is exposed from the insulating skeleton structure at the spliced part. That is, the edge of the insulating skeleton structure is not flush with the edge of the iron core 1 , and the width is smaller than the width of the iron core 1 , so that part of the iron core 1 is exposed, as shown in FIG. 6 . The preferred technical solution of the present embodiment is to provide a relinquishment groove 40 at the splicing part of the iron core yoke, which can effectively prevent glue overflowing on the splicing surface during injection molding and prevent the iron core 1 from splicing into a circle.

According to a preferred embodiment, the insulating frame structure further includes a baffle plate 50 at the joint, the baffle plate 50 at the joint is located below the abdication groove 40, and the baffle plate 50 at the joint includes a first protruding part 501 and a second protruding part 502, As shown in Figure 5 or 7. The first protruding portion 501 protrudes toward the splicing portion, and there is a gap between two adjacent first protruding portions 501 after splicing; the second protruding portion 502 protrudes into the groove, as shown in FIG. 7 . The splicing baffle 50 in the preferred technical solution of the present embodiment is composed of two parts. The first protruding part 501 protrudes to a certain height toward the splicing part. After the iron core 1 is rounded, the baffles of the first protruding parts 501 There is a gap in between, so that even a small amount of burrs are produced here during manufacture to ensure that the rounding is not affected. The second protruding portion 502 protrudes into the groove at the first protruding portion 501, and its function is similar to that of the notch baffle 60, which can prevent part of the enameled wire from moving to the splicing place and loosening, increasing the enameled wire and the iron core at the splicing place. Creepage distance, increase the safety performance of the insulating skeleton structure.

According to a preferred embodiment, the insulating frame structure further includes a notch stopper 60 , the notch stopper 60 is located at the slot position of the iron core tooth, and the notch stopper 60 includes a third protrusion 601 protruding into the slot and a fourth protrusion 602 protruding toward the iron core 1, as shown in FIG. 5 or FIG. 8 or FIG. 9 . The preferred technical solution of this embodiment is that the third protrusion 601 of the notch baffle 60 protruding into the groove can block part of the enameled wire from loosening to the notch, and the fourth protrusion 60 of the notch baffle 60 protruding toward the iron core 1 602 can increase the creepage distance of the enameled wire and the slotted iron core, and increase the safety performance of the insulating skeleton structure.

According to a preferred embodiment, the insulating frame structure further includes a plurality of positioning columns 70, and the positioning columns 70 are located on the upper and lower sides of the connecting portion 30, as shown in FIGS. 1-3. Preferably, the positioning posts 70 are located on the upper and lower sides of the iron core yoke. Preferably, the cross section of the positioning column 70 is circular, square or oval, and the height of the positioning column 70 is equivalent to the height of the inner baffle 10 . Preferably, the positioning column 70 is provided with a pin hole 701 for fixing the pin, as shown in FIG. 1 or 2 . More preferably, the pin hole 701 has a structure in which the inner diameter gradually decreases from the upper end to the lower end. The positioning post 70 of the preferred technical solution in this embodiment has the following advantages: firstly, it maintains the shape of the winding, so that the winding does not collapse outward; The circuit board is welded, and the pin hole 701 is set to a structure in which the inner diameter gradually decreases from the upper end to the lower end, which can increase the tightness of the pin; third, the height of the positioning post 70 is equivalent to the height of the inner baffle 10, which can be matched with the inner baffle. The plates 10 together make the whole iron core 1 stand up on the workbench to protect the windings from being bruised.

According to a preferred embodiment, a boss 702 is provided between the positioning column 70 and the outer baffle 20 , so that the enameled wire and the iron core 1 are separated from each other by the boss 702 , as shown in FIGS. 1 to 3 . The boss 702 of the preferred technical solution of this embodiment can be used as an overhead platform in addition to being used as a reinforcing rib to enhance the hardness of the positioning column 70 and the outer baffle 20 . Specifically, the insulating skeleton structure at the splicing part between the iron core yoke and the yoke will expose a little iron core 1. By placing the enameled wire on the boss 702, the electrical clearance between the enameled wire and the iron core 1 can be increased, which enhances the product safety performance.

According to a preferred embodiment, a wire passage 80 is formed between the outer baffle 20 , the positioning post 70 and the boss 702 , and the enameled wire is passed through the wire groove 80 , as shown in FIGS. 1 to 3 . The wire-passing slot 80 of the preferred technical solution of this embodiment is used for winding wiring. The preferred technical solution of this embodiment is to provide wire-passing grooves 80 on both the upper and lower sides of the iron core 1, so that the tap wires of different phases can be routed separately, which not only keeps the route standard and beautiful, but also reduces the risk of short circuit between phases of the motor.

According to a preferred embodiment, the insulating frame structure further includes a plurality of buckle columns 90, the top of the buckle columns 90 is provided with an inverted buckle structure 901, and the inverted buckle structure 901 occupies a part of the area of the top of the buckle column 90 and protrudes from the buckle column to the side. 90 tip, as shown in Figure 1 or 2. Preferably, the inverted buckle structure 901 occupies part of the area of the top end of the buckle column 90 and protrudes outward from the top end of the buckle column 90 , as shown in FIG. 1 or 2 . Preferably, the cross section of the buckle post 90 is circular, square or oval. The buckle post 90 of the preferred technical solution of this embodiment can replace any positioning post 70 . The inverted buckle structure 901 of the preferred technical solution of this embodiment occupies part of the area of the top end of the buckle column 90 and protrudes from the top of the buckle column 90 to the side, so that the circuit board can be installed by the buckle column 90 . Specifically, the end surface of the buckle column 90 not occupied by the undercut structure 901 is responsible for carrying the circuit board, and the protruding part of the undercut structure 901 is used to fasten the circuit board so as to fix the circuit board.

According to a preferred embodiment, the insulating skeleton structure is a structure integrally formed by injection molding using insulating materials. Preferably, the insulating material is, for example, PBT material, or glass fiber is added to the PBT material. The insulating skeleton structure of the preferred technical solution of this embodiment is integrally formed by injection molding, which can not only save the link of artificially covering the skeleton, improve the production efficiency, but also ensure the quality of the insulating skeleton structure.

The stator of this embodiment includes the insulating skeleton structure of any technical solution of this embodiment, as shown in FIG. 1 . In the stator of this embodiment, a layer of insulating skeleton structure with complete functions, safety and reliability is wrapped on the iron core 1, which solves the problems of easy deformation of the traditional skeleton, easy scratching of enameled wires, single function and insufficient safety factor.

The motor of this embodiment includes the stator of any technical solution of this embodiment. The motor of this embodiment uses a stator wrapped with an insulating skeleton structure, so that the product quality of the motor can be guaranteed, and at the same time, it can also meet the technological requirements of different motors.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (20)

1. An insulating skeleton structure, characterized in that it is used to cover the surface of an iron core (1), comprising an inner baffle (10), an outer baffle (20) and a connecting portion (30), wherein the said The inner baffle (10) is located on the upper and lower sides of the inner circle of the iron core (1), the outer baffle (20) is located on the upper and lower sides of the yoke portion of the iron core, and the connecting portion (30) is located on the inner baffle (10) and the outer baffle (20). 2. The insulating skeleton structure according to claim 1, wherein the inner diameter of the inner baffle (10) is larger than the inner diameter of the iron core (1), and the inner baffle (10) ) is greater than the height of the winding of the iron core (1). 3 . The insulating frame structure according to claim 1 , wherein the ends of the inner baffle ( 10 ) and/or the outer baffle ( 20 ) are rounded. 4 . 4. The insulating frame structure according to claim 1, wherein a plurality of reinforcing ribs (101) are provided on the inner baffle plate (10), and a plurality of the reinforcing ribs (101) are located on the inner baffle plate (101). the outer side of the plate (10), and the reinforcing rib (101) connects the inner baffle (10) and the connecting part (30). 5. The insulating frame structure according to claim 4, wherein the side of the reinforcing rib (101) away from the inner baffle (10) is set as a concave arc toward the inner baffle (10). shape structure. 6. The insulating skeleton structure according to claim 1, wherein the inner baffle plate (10) is provided with an inner cable tie groove (102) and an inner cable tie opening (103), wherein, The inner cable tie slot (102) is a slot located on the inner side of the inner baffle plate (10), The inner cable tie opening (103) is an opening located at the end of the inner baffle plate (10). 7. The insulating skeleton structure according to claim 1, characterized in that, an outer cable tie opening (201) is provided on the outer baffle plate (20), and the outer cable tie opening (201) is located in the outer baffle (20). The opening at the end of the baffle (20). 8 . The insulating frame structure according to claim 1 , wherein the connecting portion ( 30 ) is provided with a tie hole ( 301 ), and the tie hole ( 301 ) is an arched structure or a tubular structure, 8 . And the cable tie hole (301) extends from the inner baffle (10) to the outer baffle (20). 9. The insulating skeleton structure according to claim 1, characterized in that it further comprises an escape slot (40), and the escape slot (40) is located at the spliced part of the iron core yoke, so as to pass the escape slot (40). 40) Part of the iron core at the spliced part is exposed to the insulating skeleton structure. 10. The insulating frame structure according to claim 1, characterized in that, further comprising a baffle plate (50) at a splicing position, the baffle plate (50) at the splicing position is located below the abdication groove (40), and the baffle plate (50) at the splicing position The baffle plate (50) includes a first raised portion (501) and a second raised portion (502), wherein, The first protruding portion (501) protrudes toward the splicing portion, and there is a gap after the splicing of two adjacent first protruding portions (501); the second protruding portion (502) protrudes into the groove out. 11 . The insulating frame structure according to claim 1 , further comprising a notch baffle ( 60 ), the notch baffle ( 60 ) is located at the slot position of the iron core tooth, and the notch The baffle plate (60) includes a third protruding portion (601) protruding into the groove and a fourth protruding portion (602) protruding toward the iron core (1). 12 . The insulating frame structure according to claim 1 , further comprising a plurality of positioning posts ( 70 ), and the positioning posts ( 70 ) are located on the upper and lower sides of the connecting portion ( 30 ). 13 . 13. The insulating frame structure according to claim 12, characterized in that the cross section of the positioning column (70) is circular, square or oval, and the height of the positioning column (70) is the same as that of the inner block The heights of the plates (10) are comparable. 14. The insulating skeleton structure according to claim 12, characterized in that, the positioning column (70) is provided with a pin hole (701) for fixing the pin, and the pin hole (701) is from A structure with a gradually decreasing inner diameter from the upper end to the lower end. 15. The insulating frame structure according to claim 12, wherein a boss (702) is provided between the positioning column (70) and the outer baffle plate (20), so as to pass the boss (702). 702) Separate the enameled wire and the iron core (1) from each other. 16. The insulating frame structure according to claim 15, characterized in that a wire-passing groove (80) is formed between the outer baffle plate (20), the positioning column (70) and the boss (702) , and make the enameled wire pass through the wire passing slot (80). 17. The insulating frame structure according to claim 1, further comprising a plurality of buckle columns (90), the top ends of the buckle columns (90) are provided with an inverted buckle structure (901), and the inverted buckle The structure (901) occupies part of the area of the top end of the buckle column (90) and protrudes from the top end of the buckle column (90) to the side. 18 . The insulating skeleton structure according to claim 1 , wherein the insulating skeleton structure is a structure integrally formed by injection molding using insulating materials. 19 . 19. A stator, characterized by comprising the insulating skeleton structure described in any one of claims 1 to 18. 20. An electric machine, characterized in that it comprises the stator of claim 19.

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