CN215378637U

CN215378637U - Novel motor medium plate assembly

Info

Publication number: CN215378637U
Application number: CN202121585848.7U
Authority: CN
Inventors: 张伟; 张玉海; 唐亚东; 张昊
Original assignee: Changzhou Haosheng Electric Co ltd
Current assignee: Changzhou Haosheng Electric Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-31
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a novel motor middle plate assembly which comprises a middle plate body provided with a central through hole, wherein two groups of electric brush assemblies, two groups of bridging capacitors and two groups of grounding capacitors are arranged on the middle plate body, each electric brush assembly comprises a main body supporting piece, supporting legs, terminals, elastic arms and carbon brushes, the supporting legs are arranged at two ends of the main body supporting piece in a bending mode, the terminals and the elastic arms are arranged at two sides of the main body supporting piece in a bending mode, the bending directions of the supporting legs, the terminals and the elastic arms are opposite, the terminals are arranged on the middle plate body in an inserting mode, the elastic arms penetrate through the central through hole of the middle plate body, the carbon brushes are arranged at the end parts of the elastic arms, and the carbon brushes on the two groups of electric brush assemblies are arranged oppositely. The utility model realizes that the elastic arm and the terminal are in the same direction, thereby facilitating the assembly of the electric brush component and the rotor component, and naturally opening the brush when the motor rotor component is arranged in the end cover component; meanwhile, a plurality of electronic components can be bridged in the utility model, so that the requirement of higher EMC performance level is realized.

Description

Novel motor medium plate assembly

Technical Field

The utility model relates to the field of miniature direct current brush motors, in particular to a middle plate assembly with high EMC requirements of direct current brush motors for automobiles and intelligent household appliances.

Background

The brush subassembly structure on the current miniature direct current has brush motor medium plate generally places for the X direction, and the bullet arm is perpendicular with the terminal promptly, and the bullet arm is in the X direction of medium plate A face, and only installs a small amount of bypass electric capacity in the motor inside, and electromagnetic compatibility can the difference. With the rapid development of electronic technology and the popularization and application of various intelligent automobiles and intelligent electrical appliances, the requirement on the electromagnetic compatibility of the motor is higher and higher, the design of the micro motor at present is difficult to meet the higher requirement on the electromagnetic compatibility, and the micro direct current brush motor with high EMC requirement can be met through the design of the middle plate component, so that the micro direct current brush motor is widely applied to various industries.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a middle plate component which has small volume, reliable manufacturability, convenient operation and high EMC performance.

The technical scheme adopted by the utility model is as follows: the utility model provides a novel motor medium plate subassembly, is including the medium plate body that is equipped with central through-hole, install two sets of brush subassemblies, two sets of cross-over connection electric capacity and two sets of grounded capacitance on the medium plate body, the brush subassembly includes main part support piece, stabilizer blade, terminal, bullet arm and carbon brush, main part support piece's both ends are buckled and are provided with the stabilizer blade, and main part support piece's both sides are buckled and are provided with terminal and bullet arm, and the stabilizer blade is opposite with the terminal and the bending direction who plays the arm, the terminal interlude is installed on the medium plate body, the bullet arm passes from the central through-hole of medium plate body to install the carbon brush at the tip of bullet arm, the carbon brush on two sets of brush subassemblies sets up relatively.

Further, two sets of brush subassemblies are first brush subassembly and second brush subassembly respectively, and first brush subassembly and second brush subassembly are installed around the central through-hole of medium plate body relatively, are equipped with the terminal groove that the terminal that is used for the brush subassembly passes on the medium plate body.

Furthermore, two sets of brush subassemblies symmetric distribution in the left and right sides of medium plate body, two sets of bridging capacitance symmetric distribution in the upper and lower both sides of medium plate, two sets of ground connection capacitance symmetric distribution in the inside of medium plate body.

Furthermore, pins of the cross-over capacitors are loaded into the capacitor grooves on the surface B of the middle plate body and then are led out from the surface A; the two groups of cross-over capacitors are respectively a first cross-over capacitor and a second cross-over capacitor, one pin of the first cross-over capacitor is welded on the support leg of the first brush component, the other pin of the first cross-over capacitor is welded on the support leg of the second brush component, one pin of the second cross-over capacitor is welded on the other support leg of the first brush component, and the other pin of the second cross-over capacitor is welded on the other support leg of the second brush component.

Furthermore, the pins of the grounding capacitor are loaded into the capacitor grooves on the surface B of the middle plate body and then led out from the surface A; two groups of grounding capacitors are respectively a first grounding capacitor and a second grounding capacitor, one pin of the first grounding capacitor is welded on the support leg of the second brush component, the other pin of the first grounding capacitor is bent and grounded, one pin of the second grounding capacitor is welded on the support leg of the first brush component, and the other pin of the second grounding capacitor is bent and grounded.

Furthermore, the riveting holes are formed in the main body supporting piece of the electric brush assembly, and the two groups of electric brush assemblies are fixed through rivets.

The utility model has the beneficial effects that: the assembly structure of the utility model realizes that the elastic arm and the terminal are in the same direction, the elastic arm is positioned in the Y direction of the surface A of the middle plate, namely the elastic arm is positioned in the direction vertical to the surface A, thus being convenient for assembling the electric brush assembly and the rotor assembly, and the motor rotor assembly is naturally brushed when being arranged in the end cover assembly; meanwhile, due to the unique structural design of the electric brush assembly, a plurality of electronic components can be bridged in the electric brush assembly, the electric brush assembly is convenient to operate and reliable in manufacturability, and further different EMC (electro magnetic compatibility) grade requirements of an automobile motor and an intelligent household appliance motor can be met.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the surface A of the present invention;

FIG. 2 is a schematic view of the structure of the surface B of the present invention;

FIG. 3 is a perspective view of the brush assembly of the present invention;

figure 4 is a front view of the brush assembly of the present invention.

Labeled as: 1-middle plate body; 2-a first brush assembly; 3-a first rivet; 4-a second brush assembly; 5-a second rivet; 6-first cross-over capacitance; 7-a first ground capacitance; 8-a second cross-over capacitance; 9-a second grounded capacitor; 10-terminal; 11-a carbon brush; 12-a spring arm; 13-body support, 14-feet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a middle plate subassembly among novel miniature direct current has brush motor, is equipped with middle plate body 1, first brush subassembly 2, second brush subassembly 4, first crossover capacitor 6, second crossover capacitor 8, first ground capacitor 7 and the second ground capacitor 9 of through-hole including the centre. The first brush assembly 2 and the second brush assembly 4 each include a main body support 13, a leg 14, a terminal 10, an elastic arm 12 and a carbon brush 11; the both ends of main part support piece 13 are buckled and are provided with stabilizer blade 14, and the both sides of main part support piece 13 are buckled and are provided with terminal 10 and bullet arm 12, and stabilizer blade 14 is opposite with the buckling direction of terminal 10 and bullet arm 12, and it has the groove of placing electronic components to open on well plate body 1, and terminal 10 passes through the terminal groove and alternates to be installed on well plate body, and bullet arm 12 passes from the central through-hole of well plate body 1 to install carbon brush 11 at the tip of bullet arm 12, carbon brush 11 on two sets of electric brush subassemblies sets up relatively.

In this embodiment, the first brush assembly 2 and the second brush assembly 4 in the middle plate assembly are both provided with two support legs for connecting electronic components, and the overall shape of the brush assemblies is bird-shaped; the first brush assemblies 2 and the second brush assemblies 4 are symmetrically distributed on two sides of the middle plate 1 and located in the Y direction, and the two groups of brush assemblies 2 are fixed in a mode that the rivets 3 are pressed in and fixed.

In this embodiment, the first cross-over capacitor 6 and the second cross-over capacitor 8 are symmetrically distributed on two sides of the middle plate body 1, and pins of the first cross-over capacitor 6 and the second cross-over capacitor 8 are loaded into a capacitor slot on the side B of the middle plate body 1 and then led out from the side a. Wherein, one pin of the first across capacitor 6 is welded on the support leg of the first brush component 2, and the other pin is welded on the support leg of the second brush component 4; one pin of the second cross-over capacitor 8 is welded to the support leg of the first brush assembly 2, and the other pin is welded to the support leg of the second brush assembly 4; the capacitor is firmly fixed and vibration resistant in this way.

In this embodiment, the first grounded capacitor 7 and the second grounded capacitor 9 are symmetrically distributed on two sides of the middle plate body 1, and pins of the first grounded capacitor 7 and the second grounded capacitor 9 are loaded into a capacitor slot on the B surface of the middle plate body 1 and then led out from the a surface. One pin of the first grounding capacitor 7 is welded to the support leg of the second brush component 4, and the other pin is bent and grounded; one pin of the second cross-over capacitor 9 is welded to the support leg of the first brush component 2, and the other pin is bent and grounded; the capacitor is firmly fixed and vibration resistant in the mode;

in conclusion, the assembly structure of the utility model realizes that the elastic arm and the terminal are in the same direction, the elastic arm is positioned in the Y direction of the surface A of the middle plate, the assembly of the electric brush assembly and the rotor assembly is convenient, and the brush is naturally opened when the motor rotor assembly is arranged in the end cover assembly; meanwhile, a plurality of electronic components can be bridged in the utility model, and the operation is convenient, thereby realizing the requirement of higher EMC performance level.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution methods fall within the scope of the present invention.

The parts not involved in the present invention are the same as or can be implemented using the prior art.

Claims

1. The utility model provides a novel motor medium plate subassembly, is including the medium plate body that is equipped with central through-hole, install two sets of brush subassemblies, two sets of cross-over connection electric capacity and two sets of grounded capacitance on the medium plate body, a serial communication port, the brush subassembly includes main part support piece, stabilizer blade, terminal, plays arm and carbon brush, main part support piece's both ends are buckled and are provided with the stabilizer blade, and main part support piece's both sides are buckled and are provided with terminal and bullet arm, and the stabilizer blade is opposite with the terminal with the buckling direction of bullet arm, the terminal alternates to be installed on the medium plate body, play the arm and pass from the central through-hole of medium plate body to install the carbon brush at the tip of bullet arm, the carbon brush on two sets of brush subassemblies sets up relatively.

2. The novel motor midplane assembly of claim 1, wherein the two sets of brush assemblies are a first brush assembly and a second brush assembly, respectively, the first brush assembly and the second brush assembly being mounted opposite around a central through hole of the midplane body, and a terminal slot is provided in the midplane body for a terminal of the brush assembly to pass through.

3. The novel motor middle plate assembly according to claim 1 or 2, wherein the two sets of brush assemblies are symmetrically distributed on the left and right sides of the middle plate body, the two sets of cross-over capacitors are symmetrically distributed on the upper and lower sides of the middle plate, and the two sets of grounding capacitors are symmetrically distributed inside the middle plate body.

4. The novel motor middle plate assembly as claimed in claim 2, wherein the pins of the cross-over capacitors are inserted into the capacitor slots on the B-side of the middle plate body and then led out from the a-side; the two groups of cross-over capacitors are respectively a first cross-over capacitor and a second cross-over capacitor, one pin of the first cross-over capacitor is welded on the support leg of the first brush component, the other pin of the first cross-over capacitor is welded on the support leg of the second brush component, one pin of the second cross-over capacitor is welded on the other support leg of the first brush component, and the other pin of the second cross-over capacitor is welded on the other support leg of the second brush component.

5. The novel motor middle plate assembly as claimed in claim 2, wherein the pin of the grounding capacitor is inserted into the capacitor groove on the B surface of the middle plate body and then led out from the a surface; two groups of grounding capacitors are respectively a first grounding capacitor and a second grounding capacitor, one pin of the first grounding capacitor is welded on the support leg of the second brush component, the other pin of the first grounding capacitor is bent and grounded, one pin of the second grounding capacitor is welded on the support leg of the first brush component, and the other pin of the second grounding capacitor is bent and grounded.

6. The novel motor middle plate assembly as claimed in claim 1, wherein a riveting hole is formed in a main body supporting member of the brush assembly, and both sets of brush assemblies are fixed by rivets.