CN210608766U

CN210608766U - Connection structure of brush yoke and motor casing

Info

Publication number: CN210608766U
Application number: CN201921800895.1U
Authority: CN
Inventors: 靳晓静
Original assignee: Jiangsu Bolu Electric Group Co Ltd
Current assignee: Jiangsu Bolu Electric Group Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-05-22
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a connection structure of brush yoke and motor casing relates to motor brush yoke technical field, is connected fixedly between brush yoke and the motor for the carbon brush that solves among the prior art, and will have certain gap between motor and brush machine, can produce the problem that the noise influences because of the friction vibration in the use between the two. The motor brush yoke assembly comprises a brush fixing frame, the outer surface of one side of the brush fixing frame is provided with four connecting fixing blocks, the outer surface of each connecting fixing block is provided with a carbon brush clamping piece, the two sides of each carbon brush clamping piece are provided with fixing wing plates, the outer surfaces of the fixing wing plates are provided with anchoring screws, one side of the brush fixing frame is provided with a brush yoke surrounding clamping sleeve, the outer surface of the clamping sleeve surrounded by the brush yoke is provided with a cross fixing blade plate, the other side of the brush fixing frame is provided with a motor connecting plate, and the two sides of the motor connecting plate are provided with limiting ring openings.

Description

Connection structure of brush yoke and motor casing

Technical Field

The utility model relates to a motor brush yoke technical field specifically is a connection structure of brush yoke and motor casing.

Background

Carbon brushes, also called brushes, are widely used as a sliding contact in many electrical devices. The carbon brush mainly comprises graphite, impregnated graphite and metal (copper and silver) graphite in product application. The carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, is generally made of pure carbon and a coagulant, is generally square in shape, is clamped on a metal support, is tightly pressed on a rotating shaft by a spring inside, and transmits electric energy to a coil through a phase changer when the motor rotates. The carbon brush is required to be maintained and replaced regularly and cleaned of carbon deposition, the carbon brush is similar to a rubber strip of a pencil, and a lead is arranged on the top of the carbon brush to be led out. The volume is large or small. Carbon brushes are widely used as a sliding contact in many electrical devices. The product material mainly comprises electrochemical graphite, impregnated graphite and metal (copper-containing and silver-containing) graphite.

However, the existing carbon brush is connected and fixed with the motor through the brush holder, a certain gap exists between the motor and the brush, and noise influence is generated between the motor and the brush due to friction vibration in the using process; therefore, the existing requirements are not met, and a connecting structure of the brush holder and the motor shell is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure of brush yoke and motor casing to solve the carbon brush that proposes in the above-mentioned background art and be connected fixedly between brush yoke and the motor, and will have certain gap between motor and brush machine, can produce the problem of noise influence because of friction vibration in the use between the two.

In order to achieve the above object, the utility model provides a following technical scheme: a connection structure of a brush holder and a motor shell comprises a motor brush holder assembly, wherein the motor brush holder assembly comprises a brush fixing frame, the outer surface of one side of the brush fixing frame is provided with four connection fixing blocks, the outer surface of each connection fixing block is provided with a carbon brush clamping piece, two sides of each carbon brush clamping piece are provided with fixing wing plates, the outer surfaces of the fixing wing plates are provided with anchoring screws, one side of the brush fixing frame is provided with a brush holder surrounding clamping sleeve, the outer surface of the brush holder surrounding the clamping sleeve is provided with a cross fixing blade plate, the other side of the brush fixing frame is provided with a motor connecting plate, two sides of the motor connecting plate are provided with limiting ring openings, two sides of each limiting ring opening are provided with metal connecting pieces, the number of the metal connecting pieces is multiple, the outer surface of one side, the both sides of rubber snap ring all are provided with the foam-rubber cushion, the surface of brush mount, the fixed lamina of cross and motor connecting plate all is provided with the fixed screw of combination, and the fixed screw of combination has four.

Preferably, the electric brush fixing frame is connected with the connecting fixing block in a welding mode, the carbon brush clamping piece is fixedly connected with the fixing wing plate, and the fixing wing plate is connected with the connecting fixing block through the anchoring screw.

Preferably, the brush fixing frame and the brush holder surrounding clamping sleeve are connected through a clamping groove, and the brush holder surrounding clamping sleeve is connected with the cross-shaped fixing blade plate in a welding mode.

Preferably, the motor connecting plate and the cross fixing blade plate are connected with the metal connecting sheet through screws, and the motor connecting plate is connected with the rubber clamping ring through a clamping groove.

Preferably, the motor connecting plate is connected with the spongy cushion through an adhesive, and the electric brush fixing frame is connected with the motor connecting plate in a fitting mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a brush yoke surrounds cutting ferrule and motor connecting plate and presss from both sides the brush mount tightly in the centre, need aim at the fixed acanthus leaf of cross on the cutting ferrule with the carbon brush fastener on brush mount surface at the in-process of installation, and one side lid that has foam-rubber cushion and rubber snap ring on the motor connecting plate is at the back of brush mount, the fixed acanthus leaf of cross is fixed with the brush mount direct contact after installing, and separate foam-rubber cushion and rubber snap ring between the connecting plate at the back and the brush mount, because during later stage installation, the connecting plate need contact with the motor, at this moment the sponge can effectual separation the two friction relation between the two, thereby prevent to produce the noise because of the friction, and the snap ring of rubber material strengthens the frictional force between connecting plate and the brush yoke, avoid the vibration to lead to the condition that the skew appears between brush yoke.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is an overall side view of the present invention;

fig. 3 is a schematic view of the structure of the motor connecting plate of the present invention.

In the figure: 1. a motor brush carrier assembly; 2. an electric brush fixing frame; 3. connecting a fixed block; 4. a carbon brush fastener; 5. a fixed wing plate; 6. assembling and fixing screw holes; 7. a cross fixed blade plate; 8. the brush holder surrounds the clamping sleeve; 9. a metal connecting sheet; 10. a motor connecting plate; 11. a limiting ring opening; 12. a rubber snap ring; 13. a sponge cushion; 14. and anchoring the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a connecting structure of a brush holder and a motor shell comprises a motor brush holder assembly 1, wherein the motor brush holder assembly 1 comprises a brush fixing frame 2, the outer surface of one side of the brush fixing frame 2 is provided with four connecting fixing blocks 3, the outer surface of each connecting fixing block 3 is provided with a carbon brush clamping piece 4, a carbon brush can be fixed in each clamping piece, two sides of each carbon brush clamping piece 4 are provided with fixing wing plates 5, the outer surface of each fixing wing plate 5 is provided with an anchoring screw 14 to play a role in connection and fixation, one side of the brush fixing frame 2 is provided with a brush holder surrounding clamping sleeve 8 to surround and fix the whole brush holder, the brush holder is fixed at the middle position by matching with a connecting plate, the outer surface of the brush holder surrounding clamping sleeve 8 is provided with a cross fixing blade plate 7 to clamp and fix the brush holder, the other side of the brush fixing frame 2 is provided with a motor connecting plate 10, the both sides of spacing collar mouth 11 all are provided with metal connection piece 9, and metal connection piece 9 has a plurality ofly, the surface of motor connecting plate 10 one side is provided with rubber snap ring 12, increase frictional resistance, the phenomenon of vibrations skew is avoided appearing, the both sides of rubber snap ring 12 all are provided with foam-rubber cushion 13, closely laminate together with the brush yoke, reduce vibrations to the influence of brush machine, brush mount 2, the fixed acanthus leaf 7 of cross and motor connecting plate 10's surface all is provided with combination fixed screw 6, and combination fixed screw 6 has four, be used for connecting three subassembly.

Further, brush mount 2 with be connected 3 welded connection of fixed block, reinforcing stability, carbon brush fastener 4 and fixed pterygoid lamina 5 fixed connection, fixed pterygoid lamina 5 with be connected fixed block 3 and pass through anchoring screw 14 and be connected.

Further, the brush fixing frame 2 and the brush holder surrounding clamping sleeve 8 are connected through a clamping groove, so that assembly and installation are facilitated, and the brush holder surrounding clamping sleeve 8 is connected with the cross-shaped fixed blade plate 7 in a welding mode.

Further, motor connecting plate 10 and cross fixed blade 7 pass through screw connection with metal connecting piece 9, and motor connecting plate 10 passes through the draw-in groove with rubber snap ring 12 and is connected, and the snap ring through the rubber material strengthens the frictional force between connecting plate and the brush yoke, avoids the influence that the vibration brought.

Further, motor connecting plate 10 passes through the adhesive with foam-rubber cushion 13 and is connected, and brush mount 2 is connected with the laminating of motor connecting plate 10, and the sponge can effectual separation the friction relation between the two to prevent to produce the noise because of the friction.

The working principle is as follows: when in use, the brush holder is sleeved on the outer surface of the brush holder 2 by surrounding the cutting sleeve 8 with the brush holder, when in installation, the cross fixing blade plate 7 on the cutting sleeve needs to be aligned with the carbon brush clamping piece 4 on the surface of the brush holder 2, then one side of the motor connecting plate 10 with the spongy cushion 13 and the rubber clamping ring 12 is covered on the back of the brush holder 2, the brush holder 2 is clamped at the middle position by the cutting sleeve and the connecting plate, the cross fixing blade plate 7 and the brush holder 2 are directly contacted and attached together, the spongy cushion 13 and the rubber clamping ring 12 are separated between the connecting plate and the brush holder 2, because the connecting plate needs to be contacted with the motor when in later installation, the sponge can effectively obstruct the friction relationship between the cross fixing blade plate and the brush holder, thereby preventing the noise generated by friction, the clamping ring made of rubber material is used for enhancing the friction force between the connecting plate and the brush holder, and avoiding, and finally, the assembled brush holder component 1 of the motor is arranged in the motor by penetrating a bolt through the assembled fixing screw hole 6, and carbon brushes required by the motor are respectively arranged in the four carbon brush clamping pieces 4 on the surface of the brush holder after the assembly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a connection structure of brush yoke and motor casing, includes motor brush yoke subassembly (1), its characterized in that: the motor brush holder assembly (1) comprises a brush holder (2), the outer surface of one side of the brush holder (2) is provided with four connecting fixing blocks (3), the outer surface of each connecting fixing block (3) is provided with a carbon brush clamping piece (4), the two sides of each carbon brush clamping piece (4) are provided with fixing wing plates (5), the outer surface of each fixing wing plate (5) is provided with an anchoring screw (14), one side of the brush holder (2) is provided with a brush holder surrounding clamping sleeve (8), the outer surface of each brush holder surrounding clamping sleeve (8) is provided with a cross fixing blade plate (7), the other side of the brush holder (2) is provided with a motor connecting plate (10), the two sides of each motor connecting plate (10) are provided with limiting ring openings (11), and the two sides of each limiting ring opening (11) are provided with metal connecting pieces (9), and metal connecting piece (9) have a plurality ofly, the surface of motor connecting plate (10) one side is provided with rubber snap ring (12), the both sides of rubber snap ring (12) all are provided with foam-rubber cushion (13), the surface of brush mount (2), the fixed acanthus leaf of cross (7) and motor connecting plate (10) all is provided with combination fixed screw (6), and just makes up fixed screw (6) and have four.

2. The connecting structure of the brush holder and the motor casing according to claim 1, wherein: the brush fixing frame (2) is connected with the connecting fixing block (3) in a welding mode, the carbon brush clamping piece (4) is fixedly connected with the fixing wing plate (5), and the fixing wing plate (5) is connected with the connecting fixing block (3) through the anchoring screw (14).

3. The connecting structure of the brush holder and the motor casing according to claim 1, wherein: the brush fixing frame (2) is connected with the brush holder surrounding clamping sleeve (8) through a clamping groove, and the brush holder surrounding clamping sleeve (8) is connected with the cross-shaped fixed blade plate (7) in a welding mode.

4. The connecting structure of the brush holder and the motor casing according to claim 1, wherein: the motor connecting plate (10) and the cross fixing blade plate (7) are connected with the metal connecting sheet (9) through screws, and the motor connecting plate (10) is connected with the rubber clamping ring (12) through a clamping groove.

5. The connecting structure of the brush holder and the motor casing according to claim 1, wherein: the motor connecting plate (10) is connected with the spongy cushion (13) through an adhesive, and the electric brush fixing frame (2) is attached to and connected with the motor connecting plate (10).