CN210867366U

CN210867366U - Motor end cover

Info

Publication number: CN210867366U
Application number: CN201922263610.1U
Authority: CN
Inventors: 童腾超; 李玲军; 王盼军
Original assignee: Ningbo Jingcheng Car Industry Co ltd
Current assignee: Ningbo Jingcheng Car Industry Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-06-26
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a motor end cover aims at providing a motor end cover that is favorable to the miniaturization, and its technical scheme main points are including: the end cover comprises an end cover body, wherein an assembly space is arranged on the installation side of the end cover body; conductive assembly, conductive assembly set up in the assembly space, conductive assembly includes first conducting strip, second conducting strip, connection piece and electric capacity, electric capacity one end offsets with the second conducting strip, the connection piece supports and establishes between the other end of electric capacity and first conducting strip, and be provided with the contact that supplies the casing to connect on the connection piece, the utility model discloses be suitable for motor technical field.

Description

Motor end cover

Technical Field

The utility model relates to the technical field of motors, more precisely relate to a motor end cover.

Background

During operation of an electric machine having brushes and a commutator, there are electrical sparks and radio frequency interference signals as the commutator rotates relative to the carbon brushes. The radio frequency interference signal may interfere with circuitry connected to the power source or other unshielded circuitry in the vicinity of the motor. A choke coil or a capacitor or the like is usually installed on the motor to filter out the radio frequency interference signal. However, the choke coil or the capacitor connected to the motor is generally a product packaged on a circuit board in the market, and the volume is generally large, and occupies a part of precious space of the motor, which is not beneficial to the miniaturization of the motor.

Disclosure of Invention

Aiming at the defects and shortcomings of the prior art, the motor end cover beneficial to miniaturization is provided.

In order to achieve the above object, the present invention provides the following technical solutions.

An electric machine end cap comprising:

the end cover comprises an end cover body, wherein an assembly space is arranged on the installation side of the end cover body;

the conductive assembly is arranged in the assembly space and comprises a first conductive sheet, a second conductive sheet, a connecting sheet and a capacitor, one end of the capacitor is abutted against the second conductive sheet, the connecting sheet is abutted between the other end of the capacitor and the first conductive sheet, and a contact for connecting the shell is arranged on the connecting sheet.

After the structure more than adopting, the utility model discloses a motor end cover compares with prior art, has following advantage: the assembling space is arranged on the mounting side of the end cover body, and the first conducting strip, the second conducting strip, the connecting piece and the capacitor are arranged in the assembling space, so that a circuit board is prevented from being arranged on the outer side of the end cover body, or a conducting component is prevented from being mounted in a mounting gap, the occupied space of parts is reduced, and the miniaturization of a motor is facilitated; one end of the capacitor is abutted against the second conducting strip, the connecting sheet is abutted between the other end of the capacitor and the first conducting strip so as to realize the electric connection of the capacitor with the first conducting strip and the second conducting strip, and the connecting sheet is also provided with a contact electrically connected with the shell, so that the use of a wire is avoided, the structure is simplified, the structure of the motor is optimized, and the occupied space is further reduced; meanwhile, the anti-interference performance is improved, and the device is convenient to disassemble, assemble and manufacture.

As an improvement of the utility model, the assembly space sets up the installation side at the end cover body, still be provided with the support in the assembly space the dog of connection piece and electric capacity. Set up the dog and be used for supporting connection piece and electric capacity, promoted the stability of connecting, promote life.

As an improvement of the utility model, the supporting part that the concave extension of connection piece central point put set up, supporting part bottom terminal surface offsets with the up end of dog, the contact sets up the up end at the supporting part. The bottom end face of the supporting part is arranged to abut against the upper end face of the stop block, so that the assembling stability of parts is improved, and the service life is prolonged; the contact is arranged on the upper end face of the supporting part, so that the contact is conveniently contacted with the end face of the shell when the shell is installed.

As an improvement of the utility model, install the separation blade on the dog, the separation blade will the outside terminal surface of first conducting strip, second conducting strip, connection piece and electric capacity offsets, and will first conducting strip, second conducting strip, connection piece and electric capacity cover are established in the assembly space. Set up the separation blade on the dog, through the separation blade with first conducting strip, second conducting strip, connection piece and electric capacity encapsulation in assembly space, promote the stability of structural strength and connection, reduce the influence that the operation caused simultaneously.

As an improvement of the utility model, the first notch that offsets with the electric capacity terminal surface is seted up to the connection piece right-hand member. Through the improvement, the stability of connecting the capacitor and the connecting sheet is improved, and the stability of the operation of the lifting device is improved.

As an improvement of the utility model, the second notch that offsets with first conducting strip is seted up to the connection piece left end. Through the improvement, the stability of the connection of the connecting sheet and the first conducting sheet is improved, and the characteristic of improving the running stability of the device is also achieved.

As an improvement of the utility model, end cover body central point puts and is provided with the bearing frame, be provided with the brush seat that extends to being close to the bearing seat side on first conducting strip and the second conducting strip respectively, install the brush on the brush seat.

As an improvement of the present invention, the first conductive sheet and the second conductive sheet are respectively provided with a connecting portion extending to the outside of the end cap body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an explosion diagram of the structure of the present invention.

Fig. 3 is a schematic view of the installation position of the conductive assembly of the present invention.

Fig. 4 is a schematic structural view of the mounting position of the stopper according to the present invention.

Shown in the figure: 1. an end cap body; 2. an assembly space; 3. a conductive component; 31. a first conductive sheet; 32. a second conductive sheet; 33. connecting sheets; 331. a contact; 332. a support portion; 333. a first notch; 334. a second notch; 34. a capacitor; 4. a stopper; 5. a baffle plate; 6. an electric brush holder; 61. an electric brush; 7. a bearing seat; 8. a connecting portion.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1-4, a motor end cover of the present invention includes:

the end cover comprises an end cover body 1, wherein an assembly space 2 is arranged on the installation side of the end cover body 1;

the conductive assembly 3 is arranged in the assembly space 2, the conductive assembly 3 comprises a first conductive sheet 31, a second conductive sheet 32, a connecting sheet 33 and a capacitor 34, one end of the capacitor 34 abuts against the second conductive sheet 32, the connecting sheet 33 abuts between the other end of the capacitor 34 and the first conductive sheet 31, and a contact 331 for connecting the shell is arranged on the connecting sheet 33.

Referring to fig. 1, the assembly space 2 is disposed at the mounting side of the end cap body 1, and a stopper 4 for supporting the connecting sheet 33 and the capacitor 34 is further disposed in the assembly space 2.

Referring to fig. 2-4, the connecting piece 33 is provided with a support portion 332 extending from the center thereof, the bottom end surface of the support portion 332 abuts against the upper end surface of the stopper 4, and the contact 331 is disposed on the upper end surface of the support portion 332. The baffle 5 is installed on the baffle 4, the baffle 5 abuts against the outer end faces of the first conducting strip 31, the second conducting strip 32, the connecting sheet 33 and the capacitor 34, and the first conducting strip 31, the second conducting strip 32, the connecting sheet 33 and the capacitor 34 are covered in the assembling space 2. The end face of the connecting sheet 33 abutting against the capacitor 34 is provided with a first notch 333 matched with the end face of the capacitor 34. The end surface of the connecting sheet 33 abutting against the first conducting sheet 31 is provided with a second notch 334 matched with the first conducting sheet 31. The end cover comprises an end cover body 1 and is characterized in that a bearing seat 7 is arranged at the center of the end cover body 1, a brush seat 6 extending to the position close to the bearing seat side 7 is respectively arranged on a first conducting plate 31 and a second conducting plate 32, and a brush 61 is installed on the brush seat 6. The first conducting strip 31 and the second conducting strip 32 are respectively provided with a connecting portion 8, and the connecting portion 8 extends to the outer side of the end cover body 1.

The working principle is as follows: a flange matched with the inner side of the shell is arranged on the mounting side of the end cover body 1, when in mounting, a worker fixes the stop block on the stop block 4 and enables the stop block to be abutted against the end faces opposite to the capacitor 34, the connecting sheet 33, the first conducting sheet 31 and the second conducting sheet 32, further the shell is mounted on the flange and abutted against the end face of the outer side of the baffle 5, and the contact 331 is enabled to be contacted with the inner side surface of the shell; the connecting part 8 is electrically connected with an external power supply, and the electric brush 61 is electrically connected with the rotor; the assembling space 2 is arranged on the mounting side of the end cover body 1, and the first conducting strip 31, the second conducting strip 32, the connecting piece 33 and the capacitor 34 are arranged in the assembling space 2, so that a circuit board is prevented from being arranged on the outer side of the end cover body 1 or the conducting component 3 is prevented from being mounted, the occupied space of parts is reduced, and the motor is favorably miniaturized; one end of a capacitor 34 is abutted against the second conducting strip 32, a connecting sheet 33 is abutted between the other end of the capacitor 34 and the first conducting strip 31 so as to realize the electric connection of the capacitor 34 with the first conducting strip 31 and the second conducting strip 32, and a contact electrically connected with the shell is further arranged on the connecting sheet 33, so that the use of a wire is avoided, the structure is simplified, the structure of the motor is optimized, and the occupied space is further reduced; meanwhile, the anti-interference performance is improved, and the disassembly, assembly and manufacture are convenient; the stop block 4 is arranged for supporting the connecting sheet 33 and the capacitor 34, so that the connection stability is improved, and the service life is prolonged; the bottom end face of the supporting part 332 is arranged to abut against the upper end face of the stop block 4, and the connecting sheet 33 is respectively provided with a first notch 333 abutting against the end face of the capacitor 34 and a second notch 334 abutting against the first conducting sheet 31, so that the stability of connection of parts and the stability of operation of the device are further improved, and the service life is prolonged; the contact 331 is provided on the upper end surface of the support portion 332 to facilitate contact with the end surface of the case when the case is mounted; the baffle 5 is hooped on the stop block 4, the first conducting strip 31, the second conducting strip 32, the connecting strip 33 and the capacitor 34 are packaged in the assembly space 2 through the baffle 5, the structural strength and the connection stability are improved, and the baffle 5 is provided with a hole for the stop block 4 and the supporting part 332 on one side of the contact 331 to pass through, so that the contact 331 is in contact with the shell conveniently.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An electric machine end cap, comprising:

the end cover comprises an end cover body (1), wherein an assembly space (2) is arranged on the installation side of the end cover body (1);

conductive component (3), conductive component (3) set up in assembly space (2), conductive component (3) include first conducting strip (31), second conducting strip (32), connection piece (33) and electric capacity (34), electric capacity (34) one end offsets with second conducting strip (32), connection piece (33) support and establish between the other end of electric capacity (34) and first conducting strip (31), and be provided with on connection piece (33) and supply contact (331) that the casing is connected.

2. A motor end cap in accordance with claim 1, wherein: and a stop block (4) for supporting the connecting sheet (33) and the capacitor (34) is further arranged in the assembling space (2).

3. A motor end cap in accordance with claim 2, wherein: connecting piece (33) central point puts support portion (332) of the sunken extension setting, support portion (332) bottom terminal surface offsets with the up end of dog (4), contact (331) set up the up end at support portion (332).

4. A motor end cap in accordance with claim 2, wherein: the stop block (4) is provided with a stop piece (5), the stop piece (5) is used for abutting against the outer side end faces of the first conducting strip (31), the second conducting strip (32), the connecting piece (33) and the capacitor (34), and the first conducting strip (31), the second conducting strip (32), the connecting piece (33) and the capacitor (34) are covered in the assembling space (2).

5. A motor end cap in accordance with claim 1, wherein: the end face of the connecting sheet (33) abutted against the capacitor (34) is provided with a first notch (333) matched with the end face of the capacitor (34).

6. A motor end cap in accordance with claim 1, wherein: the end face of the connecting sheet (33) abutting against the first conducting sheet (31) is provided with a second notch (334) matched with the first conducting sheet (31).

7. A motor end cap in accordance with claim 1, wherein: the end cover comprises an end cover body (1), and is characterized in that a bearing seat (7) is arranged at the center of the end cover body, a brush seat (6) extending to the side close to the bearing seat (7) is arranged on a first conducting plate (31) and a second conducting plate (32) respectively, and an electric brush (61) is installed on the brush seat (6).

8. A motor end cap in accordance with claim 1, wherein: the first conducting strip (31) and the second conducting strip (32) are respectively provided with a connecting part (8), and the connecting parts (8) extend to the outer side of the end cover body (1).