CN216929732U

CN216929732U - Motor end cover and motor thereof

Info

Publication number: CN216929732U
Application number: CN202121761391.0U
Authority: CN
Inventors: 徐盼; 周开放; 任成波
Original assignee: Ningbo Jingcheng Car Industry Co ltd
Current assignee: Ningbo Jingcheng Car Industry Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-07-08
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a motor end cover and a motor thereof, aiming at providing a motor end cover and a motor thereof with more reasonable layout, relatively smaller occupied space and reliable performance, comprising: the end cover comprises a shell, a stator, a rotor, a commutator end cover body, an end cover body, brushes, two yoke coils and two connecting pieces, wherein the shell is provided with an assembling space, the stator is arranged in the assembling space, the rotor is matched with the stator, the commutator end cover body is arranged on the rotor, the end cover body is arranged at one end of the shell, the brushes are arranged on the end cover body and are matched with the commutator, the two yoke coils are respectively and electrically connected with the brushes, the two yoke coils are symmetrically arranged on the end cover body by taking the axial lead of the rotor as the center, and the two yoke coils are respectively arranged in parallel with the axial lead of the rotor; the utility model relates to the technical field of motors.

Description

Motor end cover and motor thereof

Technical Field

The utility model relates to the technical field of motors, in particular to a motor end cover and a motor thereof.

Background

The prior art motor needs to reduce the electric noise generated when the motor operates, so that an electronic element such as a capacitor or a choke coil is connected in a circuit, and in order to make the motor small, the motor is generally installed on an end cover body in a non-parallel angle with the axial lead of a rotor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the motor end cover and the motor thereof are more reasonable in layout, relatively smaller in occupied space and reliable in performance.

In order to achieve the purpose, the utility model provides the following technical scheme: an electric machine end cap comprising:

an end cap body mounted at one end of the motor housing,

an electric brush which is arranged on the end cover body and is matched with the commutator,

the two choke coils are respectively and electrically connected with the electric brush, are symmetrically arranged on the end cover body by taking the axial lead of the rotor as the center, and are respectively arranged in parallel with the axial lead of the rotor.

After adopting the structure, compared with the prior art, the motor end cover has the following advantages: the two choke coils are symmetrically arranged on the end cover body by taking the axial lead of the rotor as a center, and are respectively arranged in parallel with the axial lead of the rotor, so that the layout of the end cover body is more reasonable, and the occupied space is relatively small. The two choke coils are respectively connected to the end cover body symmetrically by taking the axis line of the rotor as the center, so that the layout and the cleanliness of parts can be high.

As an improvement of the present invention, the end cap body includes a connecting seat, a connecting plate, and a protective shell, the connecting seat is connected to one end portion of the protective shell, the connecting plate is mounted on the connecting seat, and the protective shell is connected to the connecting seat and covers the connecting plate therein. The improvement enables the end cover body to be composed of a plurality of parts, and installation space is convenient to arrange for installing electronic components.

As an improvement of the utility model, the electric brush and the two choke coils are both arranged on the connecting seat. With brush and choke coil setting on the connecting seat, it is big to avoid choke coil and the great occupation space that uses the lead wire and lead to of brush interval, and the unreasonable problem of part layout has made things convenient for being connected between brush and the choke coil, reduces the space simultaneously and occupies, does benefit to the miniaturization.

As an improvement of the utility model, the connecting seat is provided with an assembling hole, and the choke coil is inserted in the assembling hole. The connecting seat is provided with the assembling hole matched with the choke coil, so that the choke coil can be fixed, the damage caused by the movement of the choke coil in the use process is effectively avoided, and the service life is prolonged; on the other hand, the device also has the characteristics of reducing the occupied space of the choke coil and being beneficial to miniaturization.

As an improvement of the present invention, the number of the brushes is two, and the two brushes are provided in one-to-one correspondence with the two choke coils. Above-mentioned improvement makes choke coil and brush one-to-one setting to interconnect between adjacent brush and the choke coil makes the relation of connection directly perceived, and the dismouting degree of difficulty is low, the maintenance of being convenient for.

As a modification of the present invention, two of the brushes are disposed between two of the yokes. The improvement ensures reasonable structural layout and high cleanliness.

As an improvement of the utility model, one end of the connecting seat facing the shell is provided with a containing groove, a mounting seat is arranged in the containing groove, and the electric brush is connected to the mounting seat. The accommodating groove is formed in the connecting seat and faces one end of the shell, when the connecting seat is connected with one end of the shell in an inserting mode, the mounting seat in the accommodating groove is located on the inner side of the shell, occupation of space is further reduced, and the structure is small and high in miniaturization degree.

An electric machine provided with a machine end cap as claimed in any preceding claim. The motor provided with any one of the improved end covers can be smaller in structure, and is beneficial to miniaturization.

Drawings

Fig. 1 is a schematic structural view of the explosive state of the parts of the present invention.

Figure 2 is a schematic structural view of the end cap body part of the present invention in an exploded condition.

Fig. 3 is a schematic view of the connecting seat structure of the present invention.

Fig. 4 is a schematic view of the structure of the assembly of the present invention.

Shown in the figure: 1. a housing; 3. a rotor; 4. an end cap body; 41. a connecting seat; 411. an assembly hole; 412. a containing groove; 42. a connecting plate; 43. a protective shell; 5. an electric brush; 6. and (4) a choke coil.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

Referring to fig. 1-4, an end cap for an electric machine includes:

an end cover body 4, wherein the end cover body 4 is arranged at one end of the motor shell 1,

a brush 5, the brush 5 being provided on the end cap body 4, and the brush 5 being engaged with the commutator,

the two choke coils 6 are respectively and electrically connected with the electric brush 5, the two choke coils 6 are symmetrically arranged on the end cover body 4 by taking the axial lead of the rotor 3 as the center, and the two choke coils 6 are respectively arranged in parallel with the axial lead of the rotor 3.

After the structure is adopted, compared with the prior art, the motor end cover has the following advantages: the two choke coils 6 are symmetrically arranged on the end cover body 4 by taking the axial lead of the rotor 3 as a center, and the two choke coils 6 are respectively arranged in parallel with the axial lead of the rotor 3, so that the layout of the end cover body 4 is more reasonable, and the occupied space is relatively small. The two choke coils 6 are connected to the head cover body 4 symmetrically about the axial line of the rotor 3, respectively, so that the layout of the components can be highly finished.

As a modification of the present invention, the end cap body 4 includes a connecting seat 41, a connecting plate 42, and a protective shell 43, the connecting seat 41 is connected to one end of the protective shell 43, the connecting plate 42 is mounted on the connecting seat 41, and the protective shell 43 is connected to the connecting seat 41 and covers the connecting plate 42. The improvement makes the end cover body 4 composed of a plurality of parts, which is convenient for arranging installation space for installing electronic components.

As a modification of the present invention, the brush 5 and the two choke coils 6 are disposed on the connecting base 41. With brush 5 and choke coil 6 setting on connecting seat 41, it is big to avoid the great occupation space that leads to of needing to use of

choke coil

6 and 5 intervals of brush, and the unreasonable problem of part layout has made things convenient for being connected between brush 5 and the choke coil 6, reduces the space simultaneously and occupies, does benefit to the miniaturization.

As a modification of the present invention, the connecting base 41 is provided with an assembling hole 411, and the choke coil 6 is inserted into the assembling hole 411. The connecting seat 41 is provided with the assembling hole 411 matched with the choke coil 6, so that the choke coil 6 can be fixed, the damage caused by the movement of the choke coil 6 in the use process is effectively avoided, and the service life is prolonged; on the other hand, the device also has the characteristics of reducing the space occupation of the choke coil 6 and being beneficial to miniaturization.

As a modification of the present invention, the number of the brushes 5 is two, and two brushes 5 are provided in one-to-one correspondence with two yokes 6. Above-mentioned improvement makes choke ring 6 and brush 5 one-to-one setting to interconnect between adjacent brush 5 and the choke ring 6, make the relation of connection directly perceived, the dismouting degree of difficulty is low, is convenient for maintain.

As a modification of the present invention, two of the brushes 5 are disposed between two yokes 6. The improvement ensures reasonable structural layout and high cleanliness.

As a modification of the present invention, an end of the connecting seat 41 facing the housing 1 is provided with a receiving groove 412, a mounting seat is provided in the receiving groove 412, and the brush 5 is connected to the mounting seat. The receiving groove 412 is disposed at one end of the connecting seat 41 facing the housing 1, and when the connecting seat 41 is inserted into one end of the housing 1, the mounting seat in the receiving groove 412 is located inside the housing 1, thereby further reducing the space occupation and making the structure highly compact.

An electric machine provided with a machine end cap as claimed in any preceding claim. The motor provided with any one of the improved end covers can be smaller in structure, and miniaturization is facilitated.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. An electric machine end cap, comprising:

an end cover body (4), wherein the end cover body (4) is arranged at one end of the motor shell (1),

the electric brush (5), the electric brush (5) is arranged on the end cover body (4), and the electric brush (5) is matched with the commutator,

the two choke coils (6) are electrically connected with the electric brush (5) respectively, the two choke coils (6) are symmetrically arranged on the end cover body (4) by taking the axial lead of the rotor (3) as the center, and the two choke coils (6) are arranged in parallel with the axial lead of the rotor (3) respectively.

2. A motor end cap in accordance with claim 1, wherein: the end cover comprises an end cover body (4) and is characterized in that the end cover body (4) comprises a connecting seat (41), a connecting plate (42) and a protective shell (43), the connecting seat (41) is connected with one end of the protective shell (43), the connecting plate (42) is installed on the connecting seat (41), and the protective shell (43) is connected with the connecting seat (41) and covers the connecting plate (42).

3. An end cover for an electrical machine according to claim 2, wherein: the electric brush (5) and the two choke coils (6) are arranged on the connecting seat (41).

4. A motor end cap according to claim 3, wherein: the connecting seat (41) is provided with an assembling hole (411), and the choke coil (6) is inserted in the assembling hole (411).

5. A motor end cap according to claim 3, wherein: the number of the electric brushes (5) is two, and the two electric brushes (5) and the two choke coils (6) are arranged in a one-to-one correspondence mode.

6. An electric machine end cap according to claim 5, wherein: the two brushes (5) are arranged between the two choke coils (6).

7. An electric machine end cap according to claim 6, wherein: one end, facing the shell (1), of the connecting seat (41) is provided with a containing groove (412), a mounting seat is arranged in the containing groove (412), and the electric brush (5) is connected to the mounting seat.

8. An electrical machine, characterized in that an electrical machine end cap according to any of claims 1-7 is provided.