CN210326430U

CN210326430U - Conductive carbon brush structure

Info

Publication number: CN210326430U
Application number: CN201921098746.5U
Authority: CN
Inventors: 王春晖; 季松林
Original assignee: Jiangsu Piaoma Intelligent Equipment Co ltd
Current assignee: Jiangsu Piaoma Intelligent Equipment Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-14
Anticipated expiration: 2029-07-12

Abstract

The utility model relates to a conductive carbon brush technical field just discloses a conductive carbon brush structure, including brush base, insulating boot, copper, interior hexagonal column cap screw, regulation pole, nut, installation piece, conducting block, round pin axle, spring and holding screw, the right side of brush base surface is pegged graft mutually with the left side of insulating boot inside wall, respectively through four around brush base surface right side self tapping screw and insulating boot fixed connection, the copper is located the inside of insulating boot, the one end of copper and the intermediate position fixed connection on brush base right side. The utility model discloses a change the bolt fastening mode of original conducting block into the movable of round pin axle with the split pin and be connected, consequently electrically conductive carbon brush is in the operation of contact copper bar, and self structural stability is higher to it is also easier from the installation, and the result of use is also better obvious, and structural optimization, use and installation are more convenient, and the effect of electricity conduction is better excellent.

Description

Conductive carbon brush structure

Technical Field

The utility model relates to an electrically conductive carbon brush technical field specifically is an electrically conductive carbon brush structure.

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 should be periodically maintained and replaced and cleaned.

At present, the conductive carbon brush assembly in an automobile production workshop is generally divided into a direct-traveling type and a turnover-traveling type, as shown in fig. 4 and 5, and a conventional conductive carbon brush structure is composed of a fixed sleeve, a carbon brush head, a protective cover, a spring, a conductive copper plate and a corresponding fastener. Fixed cover has adopted the integral type shaping in the old structure, but because processing is loaded down with trivial details, fixed effect is unsatisfactory, and the fastener fastening is inconvenient, and the spring effect is unsatisfactory, consequently the phenomenon of skidding produces easily when resistance is great is touched to old electrically conductive carbon brush structure, and is relatively inconvenient when installing, has increaseed installation cost to the flexible effect of carbon brush head has been short of, consequently in the use, the emergence of contact failure phenomenon appears easily in the carbon brush head.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a conductive carbon brush structure has reached and has made conductive carbon brush when the contact copper bar moves, the higher purpose of self structural stability to it is also easier from the installation, and the result of use is also better obvious, and structural optimization, use and installation are more convenient, and the effect of conducting electricity is better excellent.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a conductive carbon brush structure, includes brush base, self-tapping screw, insulating boot, copper, interior hexagonal column cap screw, regulation pole, nut, installation piece, conducting block, hex bolts, fixing bolt, round pin axle, spring and holding screw, the right side of brush base surface is pegged graft mutually with the left side of insulating boot inside wall, respectively through four around the brush base surface right side self-tapping screw and insulating boot fixed connection, the copper is located the inside of insulating boot, the one end of copper and the intermediate position fixed connection on brush base right side, the split pin has been seted up to the right-hand member of regulation pole, one side of conducting block is through round pin axle and split pin fixed connection, the one end of round pin axle and the one end fixed connection of adjusting the pole.

Preferably, the left side of the mounting block is fixedly connected with the right side of the copper plate through a hexagon bolt, the right side of the mounting block is fixedly connected with the left sides of the nuts respectively, and the nuts are respectively in threaded connection with the outer surface of the adjusting rod through threads.

Preferably, the transverse section of the copper plate is circular, and the right side of the copper plate is fixedly connected with the insulating cover through an inner hexagonal stud bolt.

Preferably, the left end of the adjusting rod is in contact with one end of the spring through a sliding block, and the other end of the spring is fixedly connected with the left side of the electric brush base.

Preferably, the periphery of the inner wall of the electric brush base is fixedly connected with one side of the pin shaft through a set screw, a spring washer and a flat washer are arranged on the inner hexagonal stud bolt, and the outer surface of the inner hexagonal stud bolt is sleeved with the inner side walls of the spring washer and the flat washer.

Preferably, the size of the set screw is M4x12, and the brush base and the insulating cover are both of a poly-tetrachloroethylene structure.

Preferably, the total number of turns of the spring is eleven turns, the effective number of turns of the spring is ten turns, and the hardness of the spring after heat treatment is HRC 45-50.

(III) advantageous effects

The utility model provides a conductive carbon brush structure. The method has the following beneficial effects:

(1) the utility model discloses because round pin axle, regulation pole and fixing bolt's setting, the bolt fastening mode through with original conducting block changes into the movable of round pin axle with the split pin and is connected, consequently electrically conductive carbon brush when the operation of contact copper bar, the structural stability of self is higher to it is also easier from the installation, and the result of use is also better obvious, and structural optimization, use and installation are more convenient, and the effect of conducting electricity is better excellent.

(2) The utility model discloses a through optimizing the screw thread, making the flexible effect of spring better, optimizing the purpose that carbon brush structure reached simplification installation, improvement result of use, can still optimize processing technology when satisfying the function to practice thrift purchase and cost of manufacture greatly.

(3) The utility model discloses a brush base still adopts the fashioned mode of integral type with fixed cover, and the contact range grow of fixed cover and axle has increased frictional force, and the screw thread of spring adjustment department is strictly set for according to the demand simultaneously, and the degree of depth is set for according to the design demand to the screw hole screw thread, has guaranteed the spring at flexible in-process unthreaded influence to the fastener bolt changes the screw for, easy to assemble.

Drawings

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

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a cross-sectional view of the structure of the present invention;

FIG. 4 is a schematic view of a conventional brush configuration;

fig. 5 is a cross-sectional view of a conventional brush structure.

In the figure: 1. an electric brush base; 2. a self-tapping screw; 3. an insulating cover; 4. a copper plate; 5. internal hexagonal stud screws; 6. adjusting a rod; 7. a nut; 8. mounting blocks; 9. a conductive block; 10. a hexagon bolt; 11. a cotter pin; 12. fixing the bolt; 13. a pin shaft; 14. a spring; 15. tightening the screw; a. a connecting bolt; b. a conductive brush head; c. a threaded bore.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a conductive carbon brush structure comprises a brush base 1, tapping screws 2, an insulating cover 3, a copper plate 4, internal hexagonal stud screws 5, an adjusting rod 6, a nut 7, a mounting block 8, a conductive block 9, hexagonal bolts 10, fixing bolts 12, a pin shaft 13, a spring 14 and a set screw 15, wherein the right side of the outer surface of the brush base 1 is spliced with the left side of the inner side wall of the insulating cover 3, the periphery of the right side of the outer surface of the brush base 1 is fixedly connected with the insulating cover 3 through four tapping screws 2, the copper plate 4 is positioned in the insulating cover 3, one end of the copper plate 4 is fixedly connected with the middle position of the right side of the brush base 1, the right end of the adjusting rod 6 is provided with a cotter pin 11, one side of the conductive block 9 is fixedly connected with the cotter pin 11 through the pin shaft, one end of the pin shaft 13 is fixedly connected with one end of, through changing the bolt fastening mode of original conducting block into the movable connection of round pin axle 13 and split pin 11, consequently conductive carbon brush is when contact copper bar operation, and self structural stability is higher to it is also easier from the installation, and the result of use is also better obvious, and configuration optimization, use and installation are more convenient, and the good excellence of electrically conductive effect.

By optimizing the threads, the telescopic effect of the spring 14 is better, the carbon brush structure is optimized to achieve the purposes of simplifying installation and improving use effect, and the processing technology can be optimized while the functions are met, so that the purchasing and manufacturing cost is greatly saved, the left side of the installation block 8 is fixedly connected with the right side of the copper plate 4 through the hexagon bolt 10, the right side of the installation block 8 is fixedly connected with the left sides of the four nuts 7 respectively, the four nuts 7 are respectively in threaded connection with the outer surface of the adjusting rod 6 through the threads, the transverse section of the copper plate 4 is circular, the right side of the copper plate 4 is fixedly connected with the insulating cover 3 through the inner hexagonal stud bolt 5, the left end of the adjusting rod 6 is contacted with one end of the spring 14 through the sliding block, the other end of the spring 14 is fixedly connected with the left side of the brush base 1, the periphery of the inner wall of the brush base 1, be equipped with spring washer and plain washer on interior hexagonal cylinder head screw 5, interior hexagonal cylinder head screw 5's surface cup joints with the inside wall of spring washer and plain washer mutually, holding screw 15's size is M4x12, brush base 1 and insulating boot 3 are the polytetrafluoroethylene structure, spring 14's total number of turns is eleven circles, and spring 14's effective number of turns is ten circles, the hardness after the spring 14 thermal treatment is HRC45-50, still adopt the fashioned mode of integral type through brush base 1 and fixed cover, the contact range grow of fixed cover and axle, frictional force has been increased, the screw thread of spring 14 regulation department is strictly set for as required simultaneously, the screw hole screw thread sets for the degree of depth according to the design demand, spring 14 in flexible in-process unthreaded influence has been guaranteed, and the fastener bolt changes the screw, easy to assemble.

As shown in fig. 4 and 5, the fixing sleeve in the old structure is integrally formed, the conductive brush head b is fixed by the connecting bolt a, so that the installation and replacement are inconvenient, the processing is complicated, the fixing effect is not ideal, the fastening of the fastener is inconvenient, the spring effect is not ideal, the new structure can know that the fixing sleeve still adopts the integral forming, the contact range of the fixing sleeve and the shaft is enlarged, the fixing sleeve is the insulating cover 3, the friction force is increased, meanwhile, the thread at the adjusting part of the spring 14 is strictly set according to the requirement, the influence of no thread in the telescopic process of the spring 14 is ensured, the connecting bolt a of the fastener is changed into a screw, the installation is convenient, meanwhile, the opening mode of the threaded hole in the old structure is the drilling to the bottom, the new structure sets the thread at the adjusting part of the spring 14 strictly according to the requirement by optimizing the thread, the thread of the threaded, the spring 14 is guaranteed to have no influence of threads in the stretching process, and the stretching effect of the spring 14 is better.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a conductive carbon brush structure, includes brush base (1), self-tapping screw (2), insulating boot (3), copper (4), interior hexagonal column cap screw (5), adjusts pole (6), nut (7), installation piece (8), conducting block (9), hex bolts (10), fixing bolt (12), round pin axle (13), spring (14) and holding screw (15), its characterized in that: the right side of brush base (1) surface is pegged graft mutually with the left side of insulating boot (3) inside wall, brush base (1) surface right side is all around through four self-tapping screw (2) and insulating boot (3) fixed connection respectively, copper (4) are located the inside of insulating boot (3), the one end of copper (4) and the intermediate position fixed connection on brush base (1) right side, cotter pin (11) have been seted up to the right-hand member of adjusting pole (6), one side of conducting block (9) is through round pin axle and cotter pin (11) fixed connection, the one end of round pin axle (13) and the one end fixed connection of adjusting pole (6).

2. The conductive carbon brush structure of claim 1, wherein: the left side of installation piece (8) is through the right side fixed connection of hex bolts (10) with copper (4), the right side of installation piece (8) respectively with four the left side fixed connection of nut (7), four nut (7) pass through the screw thread respectively with adjust the surface threaded connection of pole (6).

3. The conductive carbon brush structure of claim 1, wherein: the transverse section of the copper plate (4) is circular, and the right side of the copper plate (4) is fixedly connected with the insulating cover (3) through an inner hexagonal stud bolt (5).

4. The conductive carbon brush structure of claim 1, wherein: the left end of the adjusting rod (6) is in contact with one end of the spring (14) through the sliding block, and the other end of the spring (14) is fixedly connected with the left side of the electric brush base (1).

5. The conductive carbon brush structure of claim 1, wherein: the periphery of the inner wall of the electric brush base (1) is fixedly connected with one side of the pin shaft (13) through a set screw (15), a spring washer and a flat washer are arranged on the inner hexagonal stud screw (5), and the outer surface of the inner hexagonal stud screw (5) is sleeved with the inner side walls of the spring washer and the flat washer.

6. The conductive carbon brush structure of claim 1, wherein: the size of holding screw (15) is M4x12, brush base (1) and insulating boot (3) are the polytetrafluoroethylene structure.

7. The conductive carbon brush structure of claim 1, wherein: the total number of turns of the spring (14) is eleven turns, the effective number of turns of the spring (14) is ten turns, and the hardness of the spring (14) after heat treatment is HRC 45-50.