CN114157083B

CN114157083B - Motor assembly and motor

Info

Publication number: CN114157083B
Application number: CN202111495227.4A
Authority: CN
Inventors: 王文龙; 伍光祥; 余俊宏; 漆凌君; 黎官豪; 陈彬
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: 2021-12-08
Filing date: 2021-12-08
Publication date: 2023-07-18
Anticipated expiration: 2041-12-08
Also published as: CN114157083A

Abstract

The invention discloses a motor assembly and a motor, wherein the motor assembly comprises: the PG board comprises a PG board body, one end of the mounting bracket is connected with the first end cover, the other end of the mounting bracket stretches into an accommodating space enclosed by the first end cover, and a reserved gap exists between the other end of the first end cover and the inner wall of the accommodating space. Above-mentioned motor element and motor are when using, because the PG board body set up in the accommodation space, there is the reservation clearance between the inner wall of PG board body and accommodation space, consequently when first end cover is installed in the stator through the extrusion, first end cover can not apply extrusion force or extrusion force less to the PG board body, therefore can not cause the damage to the electrical component of PG board body.

Description

Motor assembly and motor

Technical Field

The invention relates to the technical field of motors, in particular to a motor assembly and a motor.

Background

The PG (Pulse Generator) motor is a motor with Hall element, the speed regulation principle is that the Hall element receives the magnetic signal of the magnetic ring on the rotor to output corresponding pulse signal to the terminal control board, and then the conduction angle of the silicon controlled rectifier is used to adjust the working motor of the PG motor to automatically control the rotation speed.

When the traditional PG motor is installed, the end cover and the stator are installed in an interference fit mode, the end cover is pressed into the stator along the axial direction of the stator to limit, the PG plate is arranged between the end cover and the stator, when the end cover is pressed in, the PG plate is contacted with the end cover and the stator, and components such as a Hall circuit on the PG plate are damaged when the force is excessively applied, so that PG pulse signals cannot be fed back normally.

Disclosure of Invention

Based on this, to the component such as the hall circuit on the fragile PG board when traditional PG motor is installed to lead to unable normal feedback PG pulse signal's problem, put forward a motor element and motor, this motor element and motor can avoid causing the damage to the electrical component on the PG board when the assembly.

The specific technical scheme is as follows:

in one aspect, the present application relates to a motor assembly comprising: the PG board comprises a PG board body, one end of the mounting bracket is connected with the first end cover, the other end of the mounting bracket stretches into an accommodating space enclosed by the first end cover, and a reserved gap exists between the other end of the first end cover and the inner wall of the accommodating space.

The technical scheme is further described as follows:

in one embodiment, a protection space is enclosed at the other end of the mounting bracket, and the PG plate body is mounted in the protection space in a limiting manner.

In one embodiment, a clamping portion is disposed at the other end of the mounting bracket, the protection space is formed in the clamping portion, and the PG plate body is clamped in the protection space.

In one embodiment, a first connecting portion and a second connecting portion are formed at one end of the mounting bracket at intervals, the first end cover is correspondingly provided with a first mounting portion connected with the first connecting portion and a second mounting portion connected with the second connecting portion, and the first connecting portion and the second connecting portion are located on the same side.

In one embodiment, the height difference between the first and second connection portions corresponds to the height difference between the first and second mounting portions.

In one embodiment, the mounting bracket comprises a first mounting body and a second mounting body, the first mounting body is connected with the first end cover, the second mounting body is connected with the first mounting body, the first mounting body and the second mounting body are arranged in an included angle, the second mounting body stretches into the accommodating space and is arranged at intervals with the first end cover, and the second mounting body is connected with the PG plate body.

In one embodiment, the motor further comprises a stator, wherein a mounting hole is formed in the stator, a stepped surface is formed in the inner wall of the mounting hole, a mounting groove is formed in the stepped surface, the first end cover is in interference fit with the mounting hole and is in butt joint with the stepped surface, and one end, connected with the first end cover, of the mounting bracket is mounted in the mounting groove in a limiting mode.

In one embodiment, the PG board further comprises a wire clamp, a second wiring groove is formed in one side of the wire clamp, the wire clamp is arranged in the mounting groove, the PG board further comprises a wire, the wire is fixedly arranged on the PG board body, the mounting bracket is further provided with a first wiring groove for mounting the wire, and when the mounting bracket is mounted in the mounting groove, at least part of the first wiring groove and the second wiring groove are spliced to form a wiring hole.

In one embodiment, the bottom wall of the mounting groove is provided with a first limiting portion, a second limiting portion is arranged on the other side, opposite to the second wiring groove, of the wire clamp, and the wire clamp is in limiting fit with the first limiting portion through the second limiting portion to be mounted in the mounting groove in a limiting mode.

In one embodiment, the clip is an interference fit with the mounting groove.

In one embodiment, the depth of the mounting groove is equal to the sum of the height of the clip and the thickness of the mounting bracket at the end for connecting the first end cap.

In one embodiment, the stator includes a wiring groove penetrating through an outer sidewall of the stator and an inner wall of the mounting hole at the same time, and the wiring groove is communicated with the mounting groove so that the wires are arranged in the wiring groove.

In another aspect, the present application is directed to an electric machine comprising an electric machine assembly according to any one of the preceding embodiments.

When the motor assembly and the motor are used, as the PG plate body is arranged in the accommodating space, a reserved gap exists between the PG plate body and the inner wall of the accommodating space, and therefore, when the first end cover is arranged on the stator through extrusion, the first end cover cannot apply extrusion force to the PG plate body or is small in extrusion force, and therefore, the damage to the electrical element on the PG plate body cannot be caused.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.

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

Moreover, the figures are not drawn to a 1:1 scale, and the relative sizes of various elements are merely exemplary in the figures, and are not necessarily drawn to true scale.

FIG. 1 is a cross-sectional view of an electric machine of an embodiment;

FIG. 2 is a schematic view of a mounting bracket according to an embodiment;

FIG. 3 is a schematic diagram illustrating an assembly of a mounting bracket, a clip, a PG plate, and a first end cap according to one embodiment;

FIG. 4 is a schematic diagram of a PG plate according to an embodiment;

FIG. 5 is an exploded view of a motor assembly of an embodiment;

FIG. 6 is a schematic structural view of a wire clip according to an embodiment;

fig. 7 is a schematic structural diagram of a stator according to an embodiment.

Reference numerals illustrate:

10. a motor; 20. a motor assembly; 100. PG board; 110. a PG plate body; 120. a wire; 130. a Hall circuit; 140. a patch capacitor; 200. a first end cap; 210. an accommodation space; 220. a first mounting portion; 230. a second mounting portion; 300. a mounting bracket; 310. a first mounting body; 312. a first connection portion; 314. a second connecting portion; 316. a first wiring groove; 320. a second mounting body; 322. a clamping part; 3222. a protection space; 3224. a clamping protrusion; 3226. wrap angle; 400. a stator; 410. a mounting hole; 420. a step surface; 430. a mounting groove; 432. a first limit part; 440. wiring grooves; 500. a wire clamp; 510. a second wiring groove; 520. a second limit part; 610. front damping rubber ring; 620. rear shock-absorbing rubber rings; 700. a second end cap; 800. a magnetic ring; 900. a rotor assembly.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

When the traditional PG motor is installed, the end cover and the stator are installed in an interference fit mode, the end cover is pressed into the stator along the axial direction of the stator to limit, the PG plate is arranged between the end cover and the stator, when the end cover is pressed in, the PG plate is contacted with the end cover and the stator, and components such as a Hall circuit on the PG plate are damaged when the force is excessively applied, so that PG pulse signals cannot be fed back normally. Based on this, the present application proposes a motor assembly 20 and a motor 10, and the motor assembly 20 and the motor 10 can avoid damaging the electrical elements of the PG board 100 during assembly.

Referring to fig. 1, a motor 10 includes a motor assembly 20, the motor assembly 20 includes a PG board 100, a first end cover 200, a mounting bracket 300, and a stator 400, the PG board 100 is generally a circuit board, the PG board 100 includes a PG board body 110, a lead 120, a hall circuit 130, and a patch capacitor 140, components such as the lead 120 and the hall circuit 130 are welded on the PG board body 110, and the lead 120 is used for transmitting a feedback pulse signal; the PG plate 100 is mounted on the first end cap 200 through the mounting bracket 300, and is mounted on the stator 400 after being integrated with the first end cap 200.

Specifically, referring to fig. 1, one end of the mounting bracket 300 is connected to the first end cap 200, the other end of the mounting bracket 300 extends into the accommodating space 210 enclosed by the first end cap 200, and the PG plate body 110 is connected to the other end of the first end cap 200 and has a reserved gap with the inner wall of the accommodating space 210. Therefore, when the motor assembly 20 and the motor 10 are used, since the PG plate body 110 is disposed in the accommodating space 210, a reserved gap F exists between the PG plate body 110 and the inner wall of the accommodating space 210, and when the first end cover 200 is installed on the stator 400 by extrusion, the first end cover 200 will not apply or have smaller extrusion force to the PG plate body 110, so that the electrical elements (such as the hall circuit 130 and the chip capacitor 140) on the PG plate body 110 will not be damaged.

It can be understood that the PG board body 110 is disposed in the accommodating space 210 and has a reserved gap F with the inner wall of the accommodating space 210, and the state at this time can be understood that the PG board body 110 is suspended in the accommodating space 210 by the mounting bracket 300, and even if the reserved gap F is smaller, the damage of the first end cover 200 to the PG board body 110 caused by the external extrusion force is smaller, and the damage to the electrical elements on the PG board body 110 is not caused.

Further, referring to fig. 2, in order to enhance protection of the PG plate body 110, in some embodiments, a protection space 3222 is defined around the other end of the mounting bracket 300, and the PG plate body 110 is mounted in the protection space 3222 in a limited manner. The arrangement of the protection space 3222 plays a role in protecting the PG plate body 110 to a certain extent.

It should be noted that, the protection space 3222 may be a groove body formed on the mounting bracket 300 or a protruding structure formed on the mounting bracket 300.

For example, referring to fig. 2, in one embodiment, the other end of the mounting bracket 300 is provided with a clamping portion 322, the clamping portion 322 is formed with the protection space 3222, and the pg plate body 110 is clamped in the protection space 3222. Specifically, the catch portion 322 may include a plurality of catching protrusions 3224, and a protection space 3222 is defined by each of the catching protrusions 3224. Or the clamping portion 322 includes a plurality of wrap angles 3226, and a protection space 3222 is defined by the wrap angles 3226. Or comprises a combination of a clamping protrusion 3224 and a wrap angle 3226, and a protection space 3222 is formed by the joint surrounding of the clamping protrusion 3224 and the wrap angle 3226. Further, restricting the PG plate body 110 within the protection space 3222 can restrict the PG plate body 110 from moving axially and radially.

Referring to fig. 2, in the present embodiment, the clamping portion 322 includes two clamping protrusions 3224 and two wrap angles 3226, the two clamping protrusions 3224 are located on the same side and are arranged at intervals, the two wrap angles 3226 are located on the other side opposite to the clamping protrusions 3224 and are arranged at intervals, and the two clamping protrusions 3224 and the two wrap angles 3226 enclose a protection space 3222.

Referring to fig. 2 and 3, in some embodiments, a first connecting portion 312 and a second connecting portion 314 are formed at one end of the mounting bracket 300 at intervals, and the first end cover 200 is correspondingly provided with a first mounting portion 220 connected to the first connecting portion 312 and a second mounting portion 230 connected to the second connecting portion 314, where the first connecting portion 312 and the second connecting portion 314 are located at the same side.

The first connecting portion 312 and the second connecting portion 314 may be snap posts, and the first mounting portion 220 and the second mounting portion 230 may be snap holes engaged with the snap posts. Or the first connecting portion 312 and the second connecting portion 314 may be a clamping hole, and the first mounting portion 220 and the second mounting portion 230 may be a clamping post that is in clamping engagement with the clamping hole. Further, the engagement of the snap posts with the snap holes may also limit axial displacement of the first end cap 200.

Referring to fig. 2 and 3, in order to accommodate the shape of the first end cap 200, in some embodiments, the height difference between the first and second connection portions 312 and 314 corresponds to the height difference between the first and second mounting portions 220 and 230.

Referring to fig. 2, fig. 2 illustrates an alternative configuration of a mounting bracket 300 in one embodiment. In this embodiment, the mounting bracket 300 includes a first mounting body 310 and a second mounting body 320, the first mounting body 310 is connected with the first end cap 200, the second mounting body 320 is connected with the first mounting body 310, the first mounting body 310 and the second mounting body 320 are disposed at an included angle, the second mounting body 320 extends into the accommodating space 210 and is disposed at a distance from the first end cap 200, and the second mounting body 320 is connected with the PG plate body 110.

Specifically, referring to fig. 2, the first mounting body 310 is connected to one side of the second mounting body 320, and a clamping portion 322 is formed on the other side of the second mounting body 320, and when the PG plate body 110 is clamped in the protection space 3222, the PG plate body 110 is attached to the side formed with the clamping portion 322.

Referring to fig. 4, in one embodiment, the PG plate body 110 is in a strip shape, the plate material of the PG plate body 110 may be copper foil-clad flame-retardant epoxy glass cloth or a composite copper foil-clad plate, and compared with the PG plate body 110 in the conventional motor 10, the PG plate body 110 in the embodiment can have a small area, so that the material cost of the PG plate body 110 can be saved, thereby saving the material cost of the motor 10.

Alternatively, the first and second mounting bodies 310 and 320 may be vertically disposed, for example, referring to the drawings, the mounting bracket 300 may be a T-bracket.

Referring to fig. 1, 5 and 7, in some embodiments, the motor assembly 20 further includes a stator 400, the stator 400 is formed with a mounting hole 410, a step surface 420 is formed on an inner wall of the mounting hole 410, the step surface 420 is provided with a mounting groove 430, the first end cover 200 is in interference fit with the mounting hole 410 and abuts against the step surface 420, one end of the mounting bracket 300 connected with the first end cover 200 is limitedly mounted in the mounting groove 430, and when the mounting bracket 300 is disposed in the mounting groove 430, a problem that the first end cover 200 cannot be attached to the step surface 420 due to the existence of the mounting bracket 300 can be avoided. Specifically, the depth of the mounting groove 430 is equal to the sum of the height of the clip 500 and the thickness of the end of the mounting bracket 300 for connecting the first end cap 200.

Specifically, referring to fig. 1, during installation, an end of the first installation body 310 connected to the first end cap 200 is limited and installed in the installation groove 430.

Referring to fig. 1, 3 and 6, in some embodiments, the motor assembly 20 further includes a wire clip 500, wherein a second wire groove 510 is disposed on one side of the wire clip 500, the wire clip 500 is disposed in the mounting groove 430, the mounting bracket 300 is further provided with a first wire groove 316 for mounting the wire 120, and when the mounting bracket 300 is mounted in the mounting groove 430, at least part of the first wire groove 316 and the second wire groove 510 are spliced to form a wire hole (not shown). In this way, the wire clip 500 can be used to fix the wire 120. Further, when the first wiring groove 316 and the second wiring groove 510 are surrounded to form a wiring hole, the surfaces of the wire clip 500 and the mounting bracket 300 are tightly attached, and thus the tightness is better when the wire clip 500 and the mounting bracket 300 are mounted in the mounting groove 430.

Further, during installation, the wire clamp 500 is in interference fit with the installation groove 430, so that the tightness of the whole motor 10 can be improved, and further, the damage to components inside the motor 10 caused by ants and other insects entering the motor 10 can be prevented. Alternatively, the shape of the clip 500 may be matched with the shape of the mounting groove 430.

The clip 500 may also be a resilient element, such as a rubber structure. When the wire clamp 500 is mounted in the mounting groove 430 in an interference manner, the wire clamp 500 can deform, and the second wiring groove 510 on the wire clamp 500 can be reduced, so that the second wiring groove 510 is more tightly matched with the wire 120, and the sealing performance is better.

Referring to fig. 5, in some embodiments, the stator 400 includes a wire groove 440 penetrating through an outer sidewall of the stator 400 and an inner wall of the mounting hole 410, and the wire groove 440 communicates with the mounting groove 430 for the wires 120 to be routed in the wire groove 440. After the wires 120 are fixed by the first wire grooves 316 and the second wire grooves 510, the wires 120 can extend out of the stator 400 along the wire grooves 440, thereby facilitating the wire arrangement.

Further, referring to fig. 1 and 7, a first limiting portion 432 is disposed on a bottom wall of the mounting groove 430, a second limiting portion 520 is disposed on the other side of the wire clip 500 opposite to the second wiring groove 510, and the wire clip 500 is mounted in the mounting groove 430 in a limiting manner through the limiting fit of the second limiting portion 520 and the first limiting portion 432. In this manner, the wire clip 500 is prevented from moving within the mounting groove 430.

Specifically, one of the first limiting portion 432 and the second limiting portion 520 may be a limiting protrusion, and the other is a limiting groove, so that the wire clip 500 is mounted in the mounting groove 430 in a limiting manner by matching the limiting groove and the limiting protrusion, so as to avoid the wire clip 500 from falling off. Referring to fig. 1 and 6, in this embodiment, the first limiting portion 432 is located at the limiting protrusion, and the second limiting portion 520 is located at the limiting groove.

The manner in which the motor assembly 20 is mounted will be described with reference to the accompanying drawings:

the first connecting part 312 and the second connecting part 314 at the first mounting body 310 are correspondingly connected with the first mounting part 220 and the second mounting part 230 in the first end cover 200, so that the mounting bracket 300 and the first end cover 200 form a whole, the PG board body 110 is arranged at the clamping part 322 arranged at the second mounting body 320, at this time, a reserved gap exists between the PG board body 110 and the inner wall of the accommodating space 210, the lead 120 is arranged at the first wiring groove 316, the wire clamp 500 is enclosed with a part of the structure of the first wiring groove 316 through the second wiring groove 510 to form a wiring hole, and the lead 120 is arranged in the wiring hole; then, the first end cover 200, the mounting bracket 300 and the PG plate 100 are integrally mounted on the stator 400, in the mounting process, the first end cover 200 is mounted on the mounting hole 410 and is abutted against the step surface 420, one end of the first mounting body 310 and the wire clamp 500 are both inserted into the mounting groove 430, the first mounting body 310 and the wire clamp 500 are both in interference fit with the mounting groove 430, ants and the like are prevented from climbing into the stator 400, and the wires 120 extend out along the wiring holes and are arranged at the wiring groove 440.

Referring to fig. 1, the motor 10 further includes a front damping rubber ring 610, a rear damping rubber ring 620, a second end cover 700, a magnetic ring 800, and a rotor assembly 900. The stator 400 iron core, the winding and the plastic package material are integrally molded, the second end cover 700 is in interference fit with the stator 400 and is fixed into a whole or directly injection molded in the stator 400, the rotor assembly 900 is installed in the installation hole 410, the front damping rubber ring 610 and the rear damping rubber ring 620 are correspondingly installed on the outer surface of the first end cover 200 and the outer surface of the second end cover 700, and the magnetic ring 800 is installed on the rotating shaft.

In the present invention, unless explicitly specified and limited 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 formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. An electric motor assembly, comprising:

the PG board comprises a PG board body;

a first end cap; a kind of electronic device with high-pressure air-conditioning system

The PG board body is connected with the other end of the first end cover, and a reserved gap is reserved between the PG board body and the inner wall of the accommodating space;

one end of the mounting bracket is provided with a first connecting part and a second connecting part which are arranged at intervals, the first end cover is correspondingly provided with a first mounting part connected with the first connecting part and a second mounting part connected with the second connecting part, and the first connecting part and the second connecting part are positioned on the same side.

2. The motor assembly of claim 1, wherein a protective space is defined by the other end of the mounting bracket, and the PG plate body is mounted in the protective space in a limited manner.

3. The motor assembly according to claim 2, wherein a clamping portion is provided at the other end of the mounting bracket, the clamping portion is formed with the protection space, and the PG plate body is clamped in the protection space.

4. The motor assembly of claim 1, wherein a difference in height of the first and second connection portions corresponds to a difference in height between the first and second mounting portions.

5. The motor assembly of claim 1, wherein the mounting bracket comprises a first mounting body and a second mounting body, the first mounting body is connected with the first end cap, the second mounting body is connected with the first mounting body, the first mounting body and the second mounting body are arranged in an included angle, the second mounting body extends into the accommodating space and is arranged at intervals with the first end cap, and the second mounting body is connected with the PG plate body.

6. The motor assembly of any one of claims 1 to 5, further comprising a stator, the stator being formed with a mounting hole, an inner wall of the mounting hole being formed with a stepped surface, the stepped surface being provided with a mounting groove, the first end cap being interference fit with the mounting hole and abutting the stepped surface, the mounting bracket being mounted in the mounting groove at a limit to an end of the mounting bracket connected to the first end cap.

7. The motor assembly of claim 6, further comprising a wire clip, wherein a second wire slot is provided on one side of the wire clip, the wire clip is disposed in the mounting groove, the PG plate further comprises a wire, the wire is fixedly disposed on the PG plate body, the mounting bracket is further provided with a first wire slot for mounting the wire, and when the mounting bracket is mounted in the mounting groove, at least part of the first wire slot and the second wire slot are spliced to form a wire slot.

8. The motor assembly of claim 7, wherein a first limiting portion is provided on a bottom wall of the mounting groove, a second limiting portion is provided on the other side of the wire clip opposite to the second wiring groove, and the wire clip is mounted in the mounting groove in a limiting manner through the second limiting portion and the first limiting portion in a limiting manner.

9. The motor assembly of claim 7, wherein the wire clip is an interference fit with the mounting groove.

10. The motor assembly of claim 7, wherein the depth of the mounting groove is equal to a sum of a height of the clip and a thickness of an end of the mounting bracket for connecting the first end cap.

11. The motor assembly of claim 7, wherein the stator includes a wiring slot that extends through both an outer sidewall of the stator and an inner wall of the mounting hole, the wiring slot being in communication with the mounting groove for the wire to be routed to the wiring slot.

12. An electric machine comprising the electric machine assembly of any one of claims 1 to 11.