CN220492733U

CN220492733U - Outgoing line protective sleeve assembly, stator assembly and motor

Info

Publication number: CN220492733U
Application number: CN202322122551.2U
Authority: CN
Inventors: 艾桂林; 司扣华; 李庆; 吴国锋; 徐鹏
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Kaibang Motor Manufacture Co Ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-13
Anticipated expiration: 2033-08-08

Abstract

The utility model belongs to the technical field of plastic package motor equipment, and particularly discloses an outgoing line protective sleeve assembly, a stator assembly and a motor. The outlet protective sleeve assembly comprises at least two slot wedges and a connecting part arranged between the two adjacent slot wedges, wherein the slot wedges are internally provided with accommodating grooves, and the slot wedges are also provided with air outlet holes communicated with the accommodating grooves. According to the outgoing line protective sleeve assembly provided by the embodiment of the utility model, the connecting section of the power line and the winding is molded in the slot wedge with the air outlet, so that the welding spots are prevented from leaking outwards during plastic packaging, and the problem of production cost increase caused by the fact that the welding spots on the circuit board are easily exposed when the slot filling rate is high in the prior art is solved.

Description

Outgoing line protective sleeve assembly, stator assembly and motor

Technical Field

The utility model belongs to the technical field of plastic package motor equipment, and particularly relates to an outgoing line protective sleeve assembly, a stator assembly and a motor.

Background

The stator of the motor is a static part of the motor body and consists of a magnetic conductive stator core, an electric conductive armature winding, some parts for windings, outgoing lines and the like, wherein the stator core is generally provided with a groove, the windings are wound in the groove, and the windings are connected with an external power line through the outgoing lines. The slot wedge is arranged at the notch of the groove to block the winding, thereby preventing the winding from falling off from the groove. In the prior art, a plastic packaging technology is adopted to package a stator, a winding and the like of the motor through engineering plastics so as to cancel the traditional motor stator insulation treatment process.

In the actual installation process, as shown in fig. 1, the outgoing line is generally connected with an external power line through a welding spot on the circuit board, and the outgoing line needs to be sleeved with a nylon sleeve to the outgoing line for preventing the outgoing line from being broken in the outgoing process, but when the slot filling rate is higher, the overall thickness of the circuit board is increased, so that the welding spot on the circuit board after injection molding is exposed easily, and therefore, the injection molding thickness needs to be increased for preventing the welding spot from being exposed, and further, the production cost is increased.

Disclosure of Invention

In view of this, the utility model provides a wire outlet protective sleeve assembly, a stator assembly and a motor, which are used for preventing welding spots from leaking out during plastic packaging by plastic packaging a connecting section of a power wire and a winding in a slot wedge with an air outlet, and solves the problem of production cost increase caused by easily exposing welding spots on a circuit board when the slot filling rate is higher in the prior art.

In order to solve the above problems, according to one aspect of the present application, the present utility model provides an outgoing line protection sleeve assembly, which includes at least two slot wedges and a connection portion disposed between two adjacent slot wedges, wherein the slot wedges are provided with a receiving slot therein, and an air outlet hole communicating with the receiving slot is further disposed on the slot wedges.

In some embodiments, the air outlet is located at the bottom of the slot wedge.

In some embodiments, the outgoing line protection sleeve component is used for protecting a connecting line of the winding, and one side of the slot wedge away from the winding is in a convex V-shaped structure.

In some embodiments, the slot wedge comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, wherein the first side plate, the second side plate, the third side plate and the fourth side plate sequentially enclose a containing cavity structure, the bottom plate is sealed at the bottom of the containing cavity and used for forming a containing groove, and the first side plate is of a V-shaped structure.

In some embodiments, the width of the slot wedge tapers from its top to its bottom.

In some embodiments, the wedge comprises a first wedge section and a second wedge section in sequence from the top to the bottom, a first oblique angle is led between the first wedge section and the second wedge section, and a second oblique angle is led at the free end of the second wedge section.

In some embodiments, the connection is located at the outlet of two adjacent wedges, one side of the connection is connected to one of the wedges and the other side of the connection is connected to the other wedge.

In some embodiments, the two sides of the connecting portion are concave arc structures.

In some embodiments, the slot wedge is integrally formed with the connecting portion.

In order to solve the above problems, according to another aspect of the present application, the present utility model provides a stator assembly, which includes the wire-outlet protective sleeve assembly.

In order to solve the above-mentioned problems, according to another aspect of the present application, the present utility model provides an electric machine including the above-mentioned stator assembly.

Compared with the prior art, the outgoing line protective sleeve assembly has at least the following beneficial effects:

in the plastic packaging process of the stator of the plastic packaging motor, when the slot filling rate of the stator core is high, welding spots of the power line and the winding connecting line on the circuit board are exposed easily after plastic packaging, so that certain potential safety hazards exist, the service performance of a product is guaranteed by thickening the plastic packaging thickness in the prior art for solving the problem, but the production cost is improved, and the production efficiency is reduced. The wire outlet protective sleeve component comprises at least two slot wedges and a connecting part arranged between the two adjacent slot wedges, wherein the slot wedges are used for accommodating the connecting sections of the power wire and the connecting wire in accommodating grooves arranged in the slot wedges, so that the connecting points of the power wire and the connecting wire are not easy to expose in the plastic packaging process; in addition, the slot wedge is also provided with an air outlet hole, and the air outlet hole is used for timely discharging high-temperature and high-pressure gas in the accommodating groove in the plastic packaging process so as to prevent the slot wedge from deforming or being damaged.

According to the outgoing line protective sleeve, the mode of directly connecting the power line and the connecting line is replaced by the mode of welding the circuit board in the prior art, meanwhile, the connecting end of the power line and the connecting line is contained in the containing groove for plastic packaging so as to prevent the connecting part from being exposed. According to the outgoing line protective sleeve, the connecting section of the power line and the winding is molded in the slot wedge with the air outlet hole, so that welding spots are prevented from leaking outwards during plastic packaging, and the problem that production cost is increased due to the fact that welding spots on a circuit board are easy to leak outwards when the slot filling rate is high in the prior art is solved.

The stator assembly provided by the utility model is designed based on the outgoing line protection sleeve assembly, so that the beneficial effects of the stator assembly are all beneficial effects of the outgoing line protection sleeve assembly, and are not repeated herein.

The motor provided by the utility model is designed based on the stator assembly, so that the beneficial effects of the motor are all those of the stator assembly, and are not described in detail herein.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a prior art stator assembly;

fig. 2 is a schematic diagram of the overall structure of an outgoing line protection sleeve assembly according to an embodiment of the present utility model;

fig. 3 is a top view of an outlet protective sleeve assembly according to an embodiment of the present utility model;

fig. 4 is a front view of an outlet protective sleeve assembly according to an embodiment of the present utility model;

FIG. 5 is an overall structural view of a stator assembly provided in an embodiment of the present utility model;

FIG. 6 is an enlarged structural view at A of FIG. 5;

fig. 7 is a front view of an assembly structure of a stator core and an outgoing line protection sleeve assembly of a stator assembly according to an embodiment of the present utility model;

fig. 8 is an overall structural view of an assembly structure of a stator core and an outgoing line protection sleeve assembly of a stator assembly according to an embodiment of the present utility model;

fig. 9 is an overall structural view of a motor according to an embodiment of the present utility model;

fig. 10 is a front view of a motor according to an embodiment of the present utility model.

Wherein: 01. an iron core; 02. a groove; 03. a winding; 04. a circuit board; 05. nylon sleeve; 1. a slot wedge; 11. a receiving groove; 12. an air outlet hole; 13. a bottom plate; 14. a first side plate; 15. a second side plate; 16. a third side plate; 17. a fourth side plate; 18. a first slot wedge section; 19. a second slot wedge section; 191. a first bevel; 192. a second bevel; 2. a connection part; 3. a housing; 4. a rotor.

Detailed Description

In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

In the description of the present utility model, it should be clear that the terms "first," "second," and the like in the description and claims of the present utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order; the terms "vertical," "transverse," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "horizontal," and the like are used for indicating an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description of the present utility model, and do not mean that the apparatus or element referred to must have a specific orientation or position, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The utility model provides an outgoing line protective sleeve assembly, which is shown in fig. 1 to 4, and comprises at least two slot wedges 1 and a connecting part 2 arranged between two adjacent slot wedges 1, wherein a containing groove 11 is arranged in each slot wedge 1, and an air outlet hole 12 communicated with the containing groove 11 is also arranged on each slot wedge 1.

Specifically, when the slot filling rate of the stator core 01 is higher in the plastic packaging process of the stator of the plastic packaging motor, the welding spots of the power line and the connecting line of the winding 03 on the circuit board 04 are easy to expose after plastic packaging, so that certain potential safety hazards exist, the service performance of products is guaranteed by thickening the plastic packaging thickness in the prior art for solving the problem, but the production cost is improved, and the production efficiency is reduced. The slot wedges 1 are arranged in the grooves 02 of the stator core 01 to seal the windings 03 in the grooves 02, and the protective sleeve component in the embodiment of the utility model comprises at least two slot wedges 1 and a connecting part 2 arranged between the two adjacent slot wedges 1, wherein the slot wedges 1 are used for accommodating the connecting sections of the power lines and the connecting lines in accommodating grooves 11 arranged in the slot wedges, so that the connecting points of the power lines and the connecting lines are not easy to expose in the plastic packaging process; in addition, the slot wedge 1 is also provided with an air outlet hole 12, and the air outlet hole 12 is used for timely discharging high-temperature and high-pressure gas in the accommodating groove 11 in the plastic packaging process so as to prevent the slot wedge 1 from deforming or being damaged.

According to the outgoing line protection sleeve provided by the embodiment of the utility model, the mode of directly connecting the power line and the connecting line replaces the mode of welding the circuit board 04 in the prior art, and meanwhile, the connecting end of the power line and the connecting line is accommodated in the accommodating groove 11 for plastic packaging so as to prevent the connecting part from being exposed. According to the outgoing line protective sleeve provided by the embodiment of the utility model, the connecting section of the power line and the winding 03 is molded in the slot wedge 1 with the air outlet hole 12, so that the welding spots are prevented from leaking outwards during plastic packaging, and the problem of production cost increase caused by the fact that the welding spots on the circuit board are easy to leak outwards when the slot filling rate is high in the prior art is solved. The slot wedge 1 is provided with a receiving cavity, and the top of the slot wedge 1 is provided with a receiving groove 11 which is communicated with the receiving cavity to form a semi-closed structure.

It should be noted that, a plurality of air outlet holes 12 may be provided, or one air outlet hole may be provided, so that the more the number of air outlet holes 12, the more obvious the ventilation effect is, and the better the plastic packaging effect is under the premise of ensuring the use strength of the slot wedge 1.

Preferably, as shown in fig. 3, the air outlet hole 12 is located at the bottom of the slot wedge 1.

Specifically, in the actual plastic packaging process, the plastic packaging material is easy to block the air outlet hole 12 too early in the flowing process, so that high-temperature and high-pressure air is easy to collect in the slot wedge 1, and the inside of the slot wedge 1 is easy to damage. The air outlet hole 12 is arranged at the bottom of the slot wedge 1, so that the air outlet hole 12 is not easy to be blocked in early time in the flowing process of the plastic sealing material, high-temperature and high-pressure air in the accommodating groove 11 is timely discharged into the accommodating groove 11 through the air outlet hole 12, and the slot wedge 1 is not easy to deform. Of course, one or a plurality of air outlet holes 12 at the bottom of the slot wedge 1 can be arranged.

In a specific embodiment, as shown in fig. 2 to 4, the outgoing line protection sleeve assembly is used for protecting a connection line of the winding 03, and one side of the slot wedge 1 away from the winding 03 is in a convex V-shaped structure.

Specifically, the slot wedge 1 is arranged in the groove 02 of the iron core 01 and is fixed to the winding 03 in the groove 02, the slot wedge 1 is clamped in the groove 02, the other side of the slot wedge 1 is tightly attached to the winding 03 and is fixed to the winding, the other side of the slot wedge 1 is of a V-shaped structure, the V-shaped structure protrudes towards a direction away from the iron core 01 to form a stable supporting structure, that is, the shape of the cross section of the slot wedge 1 in the radial direction of the slot wedge is matched with the shape of the groove 02 in the radial direction of the slot wedge.

In a specific embodiment, as shown in fig. 2, the slot wedge 1 includes a bottom plate 13, a first side plate 14, a second side plate 15, a third side plate 16 and a fourth side plate 17, the first side plate 14, the second side plate 15, the third side plate 16 and the fourth side plate 17 sequentially enclose a receiving cavity, the bottom plate 13 is sealed at the bottom of the receiving cavity to form a receiving groove 11, and the first side plate 14 has a V-shaped structure.

Specifically, the first side plate 14 has a V-shaped structure, the V-shaped structure enlarges the capacity of the accommodating groove 11 to accommodate more power lines and connecting lines, the V-shaped structure also enhances the strength of the accommodating groove 11, and in addition, the V-shaped structure can have the effects of clamping and fixing the power lines with different specifications, so that the service performance of the protective sleeve is more stable. The bottom plate 13, the first side plate 14, the second side plate 15, the third side plate 16, and the fourth side plate 17 are integrally formed, and preferably the bottom plate 13, the first side plate 14, the second side plate 15, the third side plate 16, and the fourth side plate 17 are integrally formed by injection molding or by punching. Of course, the bottom plate 13, the first side plate 14, the second side plate 15, the third side plate 16, and the fourth side plate 17 may also be connected by welding. In a specific embodiment, the width of the wedge 1 decreases gradually from its top to its bottom as shown in fig. 2 and 4.

Specifically, the width of the slot wedge 1 is gradually reduced from the top to the bottom thereof to facilitate easier insertion of the slot wedge 1 into the slot 02, so that the slot wedge 1 is less likely to damage the windings 03 in the slot 02. The width of the slot wedge 1 can be gradually decreased from the top to the bottom, and the slot wedge 1 can also be in a conical structure. Furthermore, the thickness of the wedge 1 gradually decreases from its top to its bottom, or the thickness of the wedge 1 may remain unchanged.

Preferably, as shown in fig. 4, the slot wedge 1 sequentially comprises a first slot wedge section 18 and a second slot wedge section 19 from the top to the bottom, a first oblique angle 191 is led between the first slot wedge section 18 and the second slot wedge section 19, and a second oblique angle 192 is led at the free end of the second slot wedge section 19.

Specifically, the width of the slot wedge 1 is gradually decreased in a gradient manner, that is, the width of the first slot wedge section 18 is larger than the width of the second slot wedge section 19, so that the slot wedge 1 is conveniently clamped in the groove 02 as a whole; in addition, the connection between the first wedge segment 18 and the second wedge segment 19 is provided with a first bevel 191, so that the transition at the connection is more natural, and the winding 03 in the groove 02 is not easily damaged. The free end of the second wedge segment 19 is provided with a second bevel 192 to facilitate easier snapping of the wedge 1 into the groove 02 and thus less damage to the winding 03 in the groove 02. Of course, the first and second beveled corners 191 and 192 may also be rounded. The connecting portion 2 is used for connecting two adjacent slot wedges 1, so that the disassembly and the assembly of two or more slot wedges 1 are more convenient. When the slot wedge 1 is plural, the plural connecting portions 2 are located at the top of the slot wedge 1 or at the bottom of the slot wedge 1.

Preferably, as shown in fig. 2 and 3, the connecting portion 2 is located at the outlet of two adjacent slot wedges 1, one side of the connecting portion 2 is connected with one slot wedge 1, and the other side of the connecting portion 2 is connected with the other slot wedge 1.

Specifically, the connecting part 2 is located at the outlet of the slot wedge 1, that is, the connecting part 2 is located at the top of the slot wedge 1, so as to ensure the stability of the connection at the opening of the slot wedge 1. The connection part 2 may be a net-like structure having a supporting effect, a rod-like structure or a plate-like structure, preferably a plate-like structure. Further, both sides of the connecting part 2 are concave arc structures.

Specifically, the two sides of the connecting portion 2 are arc structures recessed toward the side close to the winding 03, so that the slot wedge 1 and the connecting portion connected in the slot wedge 1 are annular structures, that is, the shapes of the two sides of the connecting portion 2 are matched with the shape of the iron core 01.

Further, the wedge 1 is integrally formed with the connecting portion 2.

In order to ensure the use strength during use, the slot wedge 1 and the connecting part 2 can be integrally formed by injection molding. Of course, the wedge 1 and the connecting part 2 can also be connected by welding.

Example 2

An embodiment of the present utility model provides a stator assembly, as shown in fig. 5 to 8, including the outgoing line protection sleeve assembly of embodiment 1.

Specifically, the stator assembly is produced as follows:

the first step: firstly, winding 03 is wound in a groove 02 of an iron core 01, and an outgoing line protective sleeve is arranged in the groove 02;

and a second step of: the connecting wire of the wound winding 03 is drawn out to be connected with a power supply, and the connecting part is arranged in the accommodating groove;

and a third step of: and filling plastic package materials from the inlet of the slot wedge 1.

In the first step, an insulating frame is sleeved on the iron core 01 to prevent the winding 03 enameled wire from contacting the iron core 01 to generate poor withstand voltage, and the winding 03 is preferably enameled wire.

In the second step, the connecting wire is adhered to the power wire by means of tin coating, and the insulating adhesive tape is fixed on the surface of the connecting wire. In addition, a buckle can be arranged inside the slot wedge 1 so as to fix the connecting section.

The stator assembly provided by the embodiment of the utility model is designed based on the outlet protection sleeve of embodiment 1, and the beneficial effects of the stator assembly are all those of embodiment 1 and are not described in detail herein.

Example 3

An embodiment of the present utility model provides an electric machine, as shown in fig. 9 and 10, comprising the stator assembly of embodiment 2.

The motor according to the embodiment of the present utility model is designed based on the stator assembly of embodiment 2, and the advantages of the motor are all those of embodiment 2, and are not described herein.

In summary, it is easily understood by those skilled in the art that the above-mentioned advantageous features can be freely combined and overlapped without conflict.

The above is only a preferred embodiment of the present utility model, and the present utility model is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiment according to the technical substance of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a protective sheath subassembly of being qualified for next round of competitions, its characterized in that, protective sheath subassembly of being qualified for next round of competitions includes two at least wedges and sets up in adjacent two connecting portion between the wedge, have the accommodation groove in the wedge, still be provided with on the wedge with the venthole of accommodation groove intercommunication.

2. The outlet protective sleeve assembly of claim 1 wherein said outlet is located at the bottom of the slot wedge.

3. The outlet protective sleeve assembly according to claim 1, wherein the outlet protective sleeve is used for protecting a connecting wire of a winding, and one side of the slot wedge away from the winding is in a convex V-shaped structure.

4. The outlet protective sleeve assembly according to claim 3, wherein the slot wedge comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, the first side plate, the second side plate, the third side plate and the fourth side plate sequentially enclose a containing cavity, the bottom plate is sealed at the bottom of the containing cavity and used for forming the containing groove, and the first side plate is of a V-shaped structure.

5. An outlet protective sleeve assembly according to claim 1, wherein the width of the slot wedge tapers from its top to its bottom.

6. An outlet protective sleeve assembly according to claim 5, wherein the slot wedge comprises a first slot wedge section and a second slot wedge section in sequence from the top to the bottom, a first oblique angle is led between the first slot wedge section and the second slot wedge section, and a second oblique angle is led at the free end of the second slot wedge section.

7. An outlet protective sleeve assembly according to claim 1, wherein the connecting portion is located at the outlet of two adjacent slot wedges, one side of the connecting portion is connected to one of the slot wedges, and the other side of the connecting portion is connected to the other slot wedge.

8. The outlet protective sleeve assembly according to claim 7, wherein two sides of the connecting portion are concave arc structures.

9. An outlet protective sleeve assembly according to any one of claims 1 to 8, wherein the slot wedge is integrally formed with the connection portion.

10. A stator assembly comprising the outgoing line protection sleeve assembly of any one of claims 1 to 9.

11. An electric machine comprising the stator assembly of claim 10.