CN220440461U

CN220440461U - Base assembly for motor and motor

Info

Publication number: CN220440461U
Application number: CN202322088600.5U
Authority: CN
Inventors: 游俊杰; 熊庆; 刘永博; 韩剑; 郑晓华; 李囤
Original assignee: Shenzhen Baiyue Automobile Technology Co ltd
Current assignee: Shenzhen Baiyue Automobile Technology Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-02-02
Anticipated expiration: 2033-08-04

Abstract

The utility model relates to a base component for a motor and the motor, the base component for the motor comprises a base shell, a sealing cover, a copper sheet and a lead button, wherein a retainer ring is integrally formed on the base shell and surrounds the copper sheet and the lead button; the motor is provided with the base assembly for the motor. According to the utility model, the base shell and the sealing cover are positioned and connected through the buckling of the first guide post hole and the first guide post, and the stability and the tightness of the connection are enhanced through the buckling of the retainer ring and the first groove, so that a clamping jig can be omitted during the assembly of the sealing cover, and the sealing cover is faster; the retaining ring integrated into one piece can stop glue outflow sealed lid in the base casing.

Description

Base assembly for motor and motor

Technical Field

The application relates to the technical field of motors, in particular to a base assembly for a motor and the motor with the base assembly.

Background

At present, a brushless motor base shell is internally provided with a PCB (printed circuit board), the PCB is connected with an external lead through a copper sheet penetrating through the base shell, the lead is welded with the copper sheet, glue is usually applied to a welding part after the welding is finished, then a sealing cover is covered, the existing problems are that the sealing cover is assembled on the base shell through a clamping jig, the assembly speed is low, and the problems that glue flows out of the sealing cover easily and the structural tightness is insufficient exist.

Disclosure of Invention

Based on the above, the utility model provides a base component for a motor, which can solve at least one of the problems that the existing assembly speed of a base shell and sealing cover connecting structure is low, glue is easy to flow out, the sealing performance cannot be ensured and the like; the utility model further provides a motor with the base assembly.

The utility model relates to a base component for a motor, which has the following technical scheme: the base component for the motor comprises a base shell, a sealing cover, a copper sheet and a lead button, wherein the sealing cover is arranged on the base shell, a cavity is formed by the sealing cover and the base shell in a surrounding mode, the copper sheet and the lead button are positioned in the cavity, the copper sheet penetrates through the base shell, a lead is arranged on the lead button, and the lead is welded on the copper sheet; a retaining ring is integrally formed on the outer wall surface of the base shell, the retaining ring surrounds the copper sheet and the lead wire buckle, a first groove is integrally formed at the lower end of the peripheral wall of the sealing cover, and the retaining ring is buckled in the first groove; the base shell and the sealing cover are integrally formed with a first guide pillar hole, the other one of the base shell and the sealing cover is integrally formed with a first guide pillar, and the first guide pillar is buckled on the first guide pillar hole.

As a further scheme of the base assembly, a plurality of ribs are arranged on the outer peripheral surface of the first guide post at intervals along the circumferential direction, the cylindrical surface of the first guide post is in clearance fit with the first guide post hole, and the ribs are in interference fit with the first guide post hole.

As a further scheme of the base assembly, the first guide post hole and the first guide post are provided with a plurality of groups.

As a further aspect of the base assembly, the first guide post hole and the first guide post are located outside the retainer ring.

As a further proposal of the base assembly, a reinforcing member is integrally formed on the retainer ring.

As a further scheme of the base assembly, a second guide post is integrally formed on any one of the lead wire buckle and the base shell, a second guide post hole is integrally formed on the other one of the lead wire buckle and the base shell, and the second guide post is buckled on the second guide post hole.

As a further proposal of the base component, a limit stop is integrally formed on the inner wall surface of the top of the sealing cover, and the upper end part of the lead wire buckle is positioned between the peripheral wall of the sealing cover and the limit stop.

As a further scheme of the base component, a rubber blocking rib is integrally formed on the inner side face of the peripheral wall of the sealing cover and abuts against the outer wall face of the lead wire buckle.

As a further proposal of the base component, the outer wall surface of the base shell is provided with a plurality of reinforcing ribs which radiate evenly from the middle part to the edge.

The utility model provides a motor, which has the following technical scheme: an electric machine comprising a base assembly for an electric machine of any of the above aspects.

The utility model is used for the base component of the motor and the motor, and the technical scheme has the advantages that: the base shell and the sealing cover are buckled with the first guide post through the first guide post hole for positioning connection, and the stability and the tightness of the connection are enhanced through buckling of the retainer ring and the first groove, so that a clamping jig can be omitted when the sealing cover is assembled, and the assembly is faster; the retaining ring integrated into one piece is in the base casing and surrounds copper sheet and lead wire knot, can stop glue spreading, avoids glue outflow sealed lid.

Drawings

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

FIG. 1 is an exploded schematic view of a base assembly for an electric motor;

FIG. 2 is a schematic structural view of a base housing in a base assembly for an electric motor;

FIG. 3 is a schematic view of the seal cover in a base assembly for an electric motor;

fig. 4 is a schematic structural view of a lead button in a base assembly for an electric machine.

Reference numerals illustrate:

10. a base housing; 11. a plane; 12. a raised edge; 13. a retainer ring; 14. a through hole; 15. a first guide post hole; 16. a first reinforcement; 17. a second reinforcement; 171. a second guide post hole; 18. reinforcing ribs; 19. a mounting hole; 20. sealing cover; 21. a first groove; 22. a second groove; 23. a mounting ear; 24. a first guide post; 241. ribs; 25. a limit stop; 26. a notch; 27. a glue blocking rib; 30. copper sheets; 40. a lead button; 41. a lead wire; 42. a third groove; 421. and a second guide post.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "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 orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

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 application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated 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 terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, 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.

The utility model provides a base component for a motor, which comprises a base shell, a sealing cover, a copper sheet and a lead button, wherein the sealing cover is arranged on the base shell; a retaining ring is integrally formed on the outer wall surface of the base shell, the retaining ring surrounds the copper sheet and the lead wire buckle, a first groove is integrally formed at the lower end of the peripheral wall of the sealing cover, and the retaining ring is buckled in the first groove; the base shell and the sealing cover are integrally formed with a first guide pillar hole, the other one of the base shell and the sealing cover is integrally formed with a first guide pillar, and the first guide pillar is buckled on the first guide pillar hole.

When the base component for the motor is assembled, firstly, the copper sheet and the lead wire buckle are mounted on the base shell, the lead wire is welded with the copper sheet, then, the welding part is glued, then, the sealing cover is mounted on the base shell, when the sealing cover is mounted, the first guide pillar hole is aligned with the first guide pillar, the retaining ring is aligned with the first groove, then, the sealing cover is pressed towards the base shell, and then, the first guide pillar hole is buckled with the first guide pillar, and the retaining ring is buckled with the first groove; according to the base component for the motor, the base shell and the sealing cover are in positioning connection through the buckling of the first guide post hole and the first guide post, and the stability and the tightness of connection are enhanced through the buckling of the retainer ring and the first groove, so that a clamping jig can be omitted when the sealing cover is assembled, and the sealing cover is faster; the retaining ring integrated into one piece is in the base casing and surrounds copper sheet and lead wire knot, can stop glue spreading, avoids glue outflow sealed lid.

Optionally, a plurality of ribs are circumferentially arranged on the outer peripheral surface of the first guide post at intervals, the cylindrical surface of the first guide post is in clearance fit with the first guide post hole, and the ribs are in interference fit with the first guide post hole.

Optionally, the first guide post hole and the first guide post are provided with a plurality of groups.

Optionally, the first guide post hole and the first guide post are located outside the retainer ring.

Optionally, a reinforcement is integrally formed on the retainer ring.

Optionally, a second guide post is integrally formed on any one of the lead fastener and the base housing, a second guide post hole is integrally formed on the other one of the lead fastener and the base housing, and the second guide post is buckled on the second guide post hole.

Optionally, a limit stop is integrally formed on an inner wall surface of the top of the sealing cover, and the upper end part of the lead fastener is located between the peripheral wall of the sealing cover and the limit stop.

Optionally, a glue blocking rib is integrally formed on the inner side surface of the peripheral wall of the sealing cover, and the glue blocking rib abuts against the outer wall surface of the lead wire buckle.

Optionally, a plurality of reinforcing ribs which radiate uniformly from the middle part to the edge are arranged on the outer wall surface of the base shell.

Referring to fig. 1, a base assembly for an electric motor according to an embodiment of the present utility model is described, which includes a base housing 10, a sealing cover 20, a copper sheet 30, and a lead button 40.

Referring to fig. 2, the outer wall surface of the base housing 10 has a plane 11, the plane 11 is connected with the edge of the outer wall surface, the edge of the outer wall surface at the connection is raised to be higher than the plane 11, the plane 11 is integrally formed with a retainer ring 13, the plane 11 is provided with a plurality of through holes 14 inside the retainer ring 13, and the copper sheet 30 is penetrated in the through holes 14.

The retainer ring 13 is connected with the raised edge 12 in a part, two first guide pillar holes 15 are arranged at the raised edge 12, and the two first guide pillar holes 15 are respectively positioned outside the two opposite ends of the retainer ring 13; the retainer ring 13 is integrally formed with a first reinforcing member 16 and a second reinforcing member 17, the first reinforcing member 16 is opposite to the raised edge 12, the second reinforcing member 17 is connected to the raised edge 12, the first reinforcing member 16 and the second reinforcing member 17 are thick and higher than the retainer ring 13, the strength of the retainer ring 13 is increased, and breakage and deformation of the retainer ring 13 are avoided.

A plurality of reinforcing ribs 18 are provided on the outer wall surface of the base housing 10 so as to radiate uniformly from the middle to the rim.

A plurality of mounting holes 19 are distributed on the base housing 10 along the circumferential outer edge.

Referring to fig. 3, a first groove 21 and a second groove 22 are integrally formed on the peripheral wall of the sealing cover 20, the first groove 21 is an elongated groove, the first groove 21 can be buckled with the retainer ring 13, the second groove 22 can accommodate the first reinforcement 16, two mounting lugs 23 are integrally formed on the sealing cover 20, and a first guide post 24 is provided on the mounting lugs 23.

When the sealing cover 20 is installed on the base shell 10, the first guide pillar 24 is inserted into the first guide pillar hole 15, the first reinforcing member 16 extends into the second groove 22, and the first groove 21 is buckled on the retainer ring 13; a plurality of ribs 241 are circumferentially arranged on the outer peripheral surface of the first guide pillar 24 at intervals, the cylindrical surface of the first guide pillar 24 is in clearance fit with the first guide pillar hole 15, the ribs 241 are in interference fit with the first guide pillar hole 15, and the ribs 241 are crushed in the process that the first guide pillar 24 enters the first guide pillar hole 15, so that the first guide pillar 24 and the first guide pillar hole 15 are tightly combined together.

Referring to fig. 4, the lead wire buckle 40 is disposed in an inner cavity defined by the sealing cover 20 and the base housing 10, a plurality of lead wires 41 are mounted on the lead wire buckle 40, and the lead wires 41 are welded with the copper sheet 30; the third groove 42 is integrally formed on the lead wire buckle 40, the third groove 42 can accommodate the second reinforcing member 17, a second guide post hole 171 is formed in the second reinforcing member 17, a second guide post 421 is disposed in the third groove 42, the second guide post 421 is engaged with the second guide post hole 171, and the lower end of the lead wire buckle 40 is fixed in the retainer ring 13 on the base housing 10 in a manner of engaging the second guide post 421 with the second guide post hole 171.

Referring to fig. 3, a limit stop 25 is integrally formed on an inner wall surface of the top of the sealing cap 20, and an upper end portion of the lead button 40 is located between a peripheral wall of the sealing cap 20 and the limit stop 25.

Referring to fig. 3, a notch 26 is provided on the sealing cover 20 for the passage of the lead, and in order to prevent glue from flowing out from the notch 26, a glue blocking rib 27 is integrally formed on the inner side surface of the peripheral wall of the sealing cover 20, and the glue blocking rib 27 abuts against the outer wall surface of the lead fastener 40.

The utility model also provides a motor, which comprises the base assembly for the motor, and can improve the assembly efficiency of motor production.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described 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 above examples merely represent a few embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. The utility model provides a base subassembly for motor, includes base casing, sealed lid, copper sheet and lead wire knot, sealed lid is installed base casing is last, sealed lid with base casing encloses into jointly has the cavity, the copper sheet reaches the lead wire is detained and is located in the cavity, the copper sheet runs through base casing, the lead wire is detained and is equipped with the lead wire, the lead wire weld in copper sheet, its characterized in that:

a retaining ring is integrally formed on the outer wall surface of the base shell, the retaining ring surrounds the copper sheet and the lead wire buckle, a first groove is integrally formed at the lower end of the peripheral wall of the sealing cover, and the retaining ring is buckled in the first groove;

the base shell and the sealing cover are integrally formed with a first guide pillar hole, the other one of the base shell and the sealing cover is integrally formed with a first guide pillar, and the first guide pillar is buckled on the first guide pillar hole.

2. The base assembly for a motor of claim 1, wherein a plurality of ribs are circumferentially spaced on an outer peripheral surface of the first guide post, the cylindrical surface of the first guide post being in clearance fit with the first guide post hole, the ribs being in interference fit with the first guide post hole.

3. The base assembly for an electric machine of claim 1, wherein the first guide post holes and the first guide posts are provided in groups.

4. The base assembly for an electric machine of claim 1, wherein the first guide post hole and the first guide post are located outside the retainer ring.

5. The base assembly for an electric machine of claim 1, wherein a reinforcement is integrally formed on the retainer ring.

6. The base assembly for an electric machine of claim 1, wherein a second guide post is integrally formed on either the lead button or the base housing, and a second guide post hole is integrally formed on the other of the lead button and the base housing, the second guide post being snap fit over the second guide post hole.

7. The base assembly for a motor of claim 1, wherein a limit stop is integrally formed on an inner wall surface of a top portion of the sealing cover, and an upper end portion of the lead button is located between a peripheral wall of the sealing cover and the limit stop.

8. The base assembly for a motor of claim 1, wherein a rubber stopper rib is integrally formed on an inner side surface of the peripheral wall of the sealing cover, the rubber stopper rib abutting against an outer wall surface of the lead button.

9. A base assembly for an electric motor as set forth in claim 1, wherein a plurality of reinforcing ribs radiating uniformly from a middle portion to an edge are provided on an outer wall surface of the base housing.

10. An electric machine comprising a base assembly for an electric machine as claimed in any one of claims 1 to 9.