CN217240456U

CN217240456U - Carbon brush of direct current motor

Info

Publication number: CN217240456U
Application number: CN202220398650.6U
Authority: CN
Inventors: 沈聪
Original assignee: Shanghai Hudong Electric Carbon Co ltd
Current assignee: Shanghai Hudong Electric Carbon Co ltd
Priority date: 2022-02-27
Filing date: 2022-02-27
Publication date: 2022-08-19
Anticipated expiration: 2032-02-27

Abstract

The utility model discloses a direct current motor carbon brush relates to carbon brush technical field, which comprises an outer shell, the top fixedly connected with apron of shell, the top swing joint of apron has the dust screen, the inner wall fixedly connected with heat dissipation fan of apron, the inner chamber sliding connection of shell has the mounting box, the inner chamber bottom of mounting box is provided with the mounting panel, the left and right sides swing joint of mounting panel has the brush box, the inner chamber swing joint of two brush boxes has the carbon brush body, one side swing joint of brush box has L shape fixed plate, the opposite side swing joint of brush box has the roof, the surface welding and the spring base of L shape fixed plate, the through wires hole has been seted up to the side of L shape fixed plate, the bottom fixedly connected with bottom plate of shell, the ventilation hole has been seted up to the left and right sides of shell and apron. A direct current motor carbon brush, make things convenient for the installation and the maintenance of carbon brush, the radiating effect is better, avoids device high temperature.

Description

Carbon brush of direct current motor

Technical Field

The utility model relates to a carbon brush technical field, in particular to direct current motor carbon brush.

Background

The carbon brush of the motor is suitable for various motors, generators and wheel-axle machines. Has better reversing performance and long service life. The carbon brush of the motor is used on a commutator or a slip ring of the motor as a sliding contact body for leading out and leading in current, has good electric conduction, heat conduction and lubrication performance, and has certain mechanical strength and the instinct of commutation spark. Almost all electric motors use carbon brushes, which are important components of the motor. The electric brush is widely applicable to various alternating current/direct current generators, synchronous motors, battery direct current motors, crane motor collecting rings, various electric welding machines and the like, along with the development of science and technology, the types of the motors and the working conditions of use are more and more diversified, so that various electric brushes with different grades are required to meet the requirements; the most staff of being not convenient for of current device changes the carbon brush, and the staff of being not convenient for dismantles, reduces the work efficiency that the staff maintained, and mostly can not be fine cool down to the inside of mounting box, and under the long-time use of mounting box, the inside temperature of mounting box can be too high, can lead to the inside carbon brush subassembly of mounting box to damage.

SUMMERY OF THE UTILITY MODEL

A main object of the utility model is to provide a direct current motor carbon brush can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a direct current motor carbon brush, includes the shell, the top fixedly connected with apron of shell, the top swing joint of apron has the dust screen, the inner wall fixedly connected with heat dissipation fan of apron, the inner chamber sliding connection of shell has the mounting box, the bottom fixedly connected with bottom plate of shell, the ventilation hole has been seted up to the left and right sides of shell and apron.

Preferably, the mounting box is arranged at the bottom of the inner cavity of the mounting box, the brush boxes are movably connected to the left side and the right side of the mounting box, and the carbon brush bodies are movably connected to the inner cavities of the two brush boxes.

Preferably, one side of the brush box is movably connected with an L-shaped fixing plate, the other side of the brush box is movably connected with a top plate, the surface of the L-shaped fixing plate is welded with the spring base, and a threading hole is formed in the side edge of the L-shaped fixing plate.

Preferably, a carbon brush wire penetrates through the inside of the threading hole, one end of the carbon brush wire is fixedly connected with the carbon brush body, and the other side of the carbon brush wire is fixedly connected with the wire collecting box.

Preferably, the carbon brush body comprises a carbon brush block, a carbon brush column is fixedly connected to the bottom of the carbon brush block, and a spring is movably connected to the surface of the carbon brush column.

Preferably, the bottom fixedly connected with connecting plate of carbon brush post, the bottom fixedly connected with fixed buckle of connecting plate, fixed buckle and spring base swing joint.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. this direct current motor carbon brush, the mounting box through setting up is convenient to be changed and is maintained the device in the mounting box, and the front of mounting box is installed there is the handle, takes the mounting box out through the handle, and the staff of being convenient for dismantles, and it is comparatively convenient when maintaining the mounting box inside that the staff improves staff maintenance device's work efficiency.

2. This direct current motor carbon brush, can dispel the heat to the device through the heat dissipation fan that sets up, the inside heat of mounting box is discharged through heat dissipation fan and ventilation hole, through the operation of heat dissipation fan, can discharge the inside heat of mounting box fast, make the inside to the mounting box that the heat dissipation fan can be quick cool down, prevent under the long-time use of mounting box, the inside temperature of mounting box can be too high, the high temperature can lead to the inside carbon brush subassembly of mounting box to damage, lead to the carbon brush subassembly can not normal use.

3. This direct current motor carbon brush can be fixed brush box chucking through roof and the L shape fixed plate that sets up, and wherein the roof sets up for the activity, can change the space between roof and the L shape fixed plate, makes the brush box place more easily, has improved the fixed convenience of brush box, has increased the efficiency of changing the carbon brush, and the through wires hole has been seted up to the side of L shape fixed plate, makes things convenient for placing of carbon brush electric wire.

Drawings

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

fig. 2 is a schematic structural diagram of the present invention;

fig. 3 is a schematic view of the internal structure of the mounting box of the present invention;

FIG. 4 is a schematic structural view of the L-shaped fixing plate of the present invention;

fig. 5 is a schematic structural view of the carbon brush wire of the present invention.

In the figure: 1. a housing; 2. a cover plate; 3. mounting a box; 4. a base plate; 5. a dust screen; 6. a vent hole; 7. a heat dissipation fan; 8. mounting a plate; 9. a brush box; 10. an L-shaped fixing plate; 11. a top plate; 12. a carbon brush body; 13. a carbon brush wire; 14. a wire collecting box; 15. a spring mount; 16. threading holes; 17. a carbon brush block; 18. a carbon brush column; 19. a spring; 20. a connecting plate; 21. and (5) fixing the buckle.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a direct current motor carbon brush comprises a shell 1, a cover plate 2 is fixedly connected to the top of the shell 1, a dust screen 5 is movably connected to the top of the cover plate 2, dust is prevented from entering the inside of a mounting box 3, the dust covers the surface of the device and affects the heat dissipation of the device, the dust screen 5 can be disassembled and cleaned to ensure good ventilation of the dust screen 5, a heat dissipation fan 7 is fixedly connected to the inner wall of the cover plate 2 to quickly dissipate heat of metal in the mounting box 3, the device is prevented from being damaged by the carbon brush wire 13 due to overhigh temperature under the condition of long-time use, the mounting box 3 is slidably connected to the inner cavity of the shell 1, a mounting plate 8 is arranged at the bottom of the inner cavity of the mounting box 3, brush boxes 9 are movably connected to the left and right sides of the mounting plate 8, the inner cavities of the two brush boxes 9 are movably connected to a carbon brush body 12, and an L-shaped fixing plate 10 is movably connected to one side of the brush box 9, the other side of the brush box 9 is movably connected with a top plate 11, the brush box 9 can be clamped and fixed by the top plate 11 and the L-shaped fixing plate 10, the L-shaped fixing plate 10 and the top plate 11 are movably arranged, the distance between the L-shaped fixing plate 10 and the top plate 11 can be changed, the brush box 9 is convenient to install, the efficiency of replacing the brush box 9 and a carbon brush wire 13 is increased, the surface of the L-shaped fixing plate 10 is welded with a spring base 15, the side edge of the L-shaped fixing plate 10 is provided with a threading hole 16, the carbon brush wire 13 penetrates through the inside of the threading hole 16 to facilitate the position placement of the carbon brush wire 13, one end of the carbon brush wire 13 is fixedly connected with a carbon brush body 12, the carbon brush body 12 comprises a carbon brush block 17, the bottom of the carbon brush block 17 is fixedly connected with a carbon brush column 18, the surface of the carbon brush column 18 is movably connected with a spring 19, the stability is improved, the spring 19 improves the flexibility of the carbon brush, the operation of the carbon brush is matched with the movable carbon brush, the activity of fixing clip board is high, can dismantle, spring 19 adopts the steel that intensity is high to make, improve fatigue strength, increase spring 19's life, one side fixedly connected with line concentrator 14 in addition of carbon brush electric wire 13, the bottom fixedly connected with connecting plate 20 of carbon brush post 18, the fixed buckle 21 of bottom fixedly connected with of connecting plate 20, fixed buckle 21 and spring base 15 swing joint, the bottom fixedly connected with bottom plate 4 of shell 1, can fix carbon brush electric wire 13 and roof 11, ventilation hole 6 has been seted up to the left and right sides of shell 1 and apron 2, it ventilates the heat dissipation to assist the device of organizing.

It should be noted that, the utility model relates to a direct current motor carbon brush, when in use, the L-shaped fixing plate 10 and the top plate 11 are moved apart, the carbon brush wire 13 and the brush box 9 are convenient to install, the carbon brush body 12 is placed in the brush box 9, the carbon brush wire 13 passes through the threading hole 16, the spring base 15 is welded on the inner side of the L-shaped fixing plate 10, the bottom of the carbon brush body 12 is fixedly connected with the fixing buckle 21, the carbon brush body 12 and the L-shaped fixing plate 10 can be installed through the fixing buckle 21 and the spring base 15, the spring 19 is made of steel with high strength, the fatigue strength is improved, the service life of the spring 19 is prolonged, the brush box 9 is fixed through the L-shaped fixing plate 10, the top plate 11 is movably arranged, the space between the L-shaped fixing plate 10 and the top plate 11 can be changed, the brush box 9 is easier to place, the convenience of fixing the brush box 9 is improved, the efficiency of replacing the carbon brush box 12 is improved, after the installation, the installation box 3 is placed into the shell 1, the installation box 3 is connected with the inner wall of the shell 1 in a sliding manner, the installation and the taking out are convenient, a handle is installed on the front side of the installation box 3, the installation box 3 is taken out through the handle, the disassembly by workers is convenient, the workers can maintain the interior of the installation box 3 conveniently, the working efficiency of the maintenance device of the workers is improved, the ventilation holes 6 are formed in the left side and the right side of the shell 1, the ventilation and the heat dissipation can be carried out on the interior of the device, the heat dissipation fan 7 is installed on the inner wall of the cover plate 2, the heat dissipation can be carried out quickly, the damage to parts caused by overhigh temperature of the device due to long-time use of the device is avoided, the dustproof net 5 is arranged above the heat dissipation fan 7, the dust can be prevented from entering from the heat dissipation fan 7, meanwhile, the dust is prevented from being attached to the surface of the heat dissipation fan 7, the operation of the heat dissipation fan 7 is influenced, and the disassembly and the dustproof net 5 is cleaned, the ventilation effect of the dust screen 5 is ensured.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a direct current motor carbon brush, includes shell (1), its characterized in that: the top fixedly connected with apron (2) of shell (1), the top swing joint of apron (2) has dust screen (5), the inner wall fixedly connected with heat dissipation fan (7) of apron (2), the inner chamber sliding connection of shell (1) has mounting box (3), the bottom fixedly connected with bottom plate (4) of shell (1), ventilation hole (6) have been seted up to the left and right sides of shell (1) and apron (2).

2. The carbon brush for a direct current motor according to claim 1, wherein: the inner chamber bottom of mounting box (3) is provided with mounting panel (8), the left and right sides swing joint of mounting panel (8) has brush box (9), the inner chamber swing joint of two brush boxes (9) has carbon brush body (12).

3. The carbon brush of the direct current motor according to claim 2, wherein: one side swing joint of brush box (9) has L shape fixed plate (10), the opposite side swing joint of brush box (9) has roof (11), the surface welding and the spring base (15) of L shape fixed plate (10), through wires hole (16) have been seted up to the side of L shape fixed plate (10).

4. The carbon brush of the direct current motor according to claim 3, wherein: a carbon brush electric wire (13) penetrates through the inside of the threading hole (16), one end of the carbon brush electric wire (13) is fixedly connected with the carbon brush body (12), and the other side of the carbon brush electric wire (13) is fixedly connected with a wire collecting box (14).

5. The carbon brush of the direct current motor according to claim 2, wherein: the carbon brush body (12) comprises a carbon brush block (17), a carbon brush column (18) is fixedly connected to the bottom of the carbon brush block (17), and a spring (19) is movably connected to the surface of the carbon brush column (18).

6. The carbon brush of the direct current motor according to claim 5, wherein: the bottom of the carbon brush column (18) is fixedly connected with a connecting plate (20), the bottom of the connecting plate (20) is fixedly connected with a fixing buckle (21), and the fixing buckle (21) is movably connected with the spring base (15).