CN209963458U

CN209963458U - Plug-in type motor carbon brush

Info

Publication number: CN209963458U
Application number: CN201920969592.6U
Authority: CN
Inventors: 李新华
Original assignee: Nantong Moxin Electric Carbon Co Ltd
Current assignee: Nantong Moxin Electric Carbon Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-01-17
Anticipated expiration: 2029-06-26

Abstract

The utility model belongs to the technical field of the motor carbon brush technique and specifically relates to a plug-in type motor carbon brush, which comprises a body, the front of body is equipped with the mounting groove, the lower part of body be equipped with the communicating through-hole of mounting groove, the internally mounted of through-hole has the inserted bar, the locating piece that is located the inside of spout is all installed to the both sides lower part of inserted bar, the lower extreme fixed mounting of inserted bar has the brush head, L type dead lever is all installed to the inside both sides of mounting groove, the crotch of L type dead lever is in first protruding cooperation, the second spring is all installed to one side of L type dead lever, the upper portion threaded connection of body has the threaded rod, the both sides lower part of threaded block all is connected with the stay cord, the one end and the L type dead lever fixed connection of stay. The utility model discloses when needing to be changed, directly change the carbon brush head can to reduce cost, convenient to use, safe and reliable, the practicality is strong, is worth wideling popularize and use.

Description

Plug-in type motor carbon brush

Technical Field

The utility model relates to a motor carbon brush technical field especially relates to a plug-in type motor carbon brush.

Background

The carbon brush is a device for transmitting energy or signals in the motor, generally made of pure carbon and coagulant, is an important component of the motor, is in contact with a converter of the motor in the motor, is used as a sliding contact body for conducting current, is widely applied to various alternating current and direct current generators, and is also used for reversing alternating electromotive force in a direct current motor.

In the working process of the motor, the commutator rotates under the driving of the rotor, the commutator and the carbon brush realize electric conduction through sliding contact, but the commutator and the carbon brush are in continuous friction contact, so that inevitable abrasion is caused to the carbon brush, the carbon brush needs to be replaced in time after the motor works for a certain time, excessive abrasion of the carbon brush is avoided, and if the replacement opportunity of the carbon brush cannot be accurately supported, the damage of the motor is often caused, and great loss is caused.

However, the existing carbon brush is of an integral structure, and needs to be integrally replaced when needing to be replaced, the cost of the carbon brush is high, the cost can be increased when the carbon brush is integrally replaced, and the carbon brush is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plug-in type motor carbon brush.

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

a plug-in type motor carbon brush is designed, and comprises a body, wherein the front surface of the body is provided with a mounting groove, the lower part of the body is provided with a through hole communicated with the mounting groove, two sides inside the through hole are respectively provided with a sliding groove, an insertion rod is arranged inside the through hole, the upper parts of two sides of the insertion rod are respectively provided with a first bulge, the lower parts of two sides of the insertion rod are respectively provided with a positioning block positioned inside the sliding groove, the lower end of the insertion rod is fixedly provided with a carbon brush head, two sides inside the mounting groove are respectively and fixedly provided with a guide block, two sides inside the mounting groove are respectively provided with an L-shaped fixed rod, the middle part of the L-shaped fixed rod is provided with a sliding groove penetrated by the guide block, a hook of the L-shaped fixed rod is in the matching of the first bulge, one side of the L-shaped fixed rod is, the outer side of the threaded rod is in threaded connection with a threaded block located inside the mounting groove, the lower portions of the two sides of the threaded block are both connected with pull ropes, one end of each pull rope is fixedly connected with the L-shaped fixing rod, and a cover is installed on the front face of the body.

Preferably, the inside mounting of mounting groove has central block, first spring is installed to the lower part of central block, the lower extreme and the inserted bar of first spring are contradicted.

Preferably, the upper parts of the two sides of the central block are respectively provided with a second bulge, and the second bulges are abutted against the pull rope.

Preferably, the pull rope is a steel wire pull rope.

Preferably, the carbon brush head, the positioning block, the insertion rod and the first protrusion are integrally formed.

The utility model provides a pair of plug-in type motor carbon brush, beneficial effect lies in: the utility model discloses the brush head of carbon that is equipped with and body are two structures, when installing brush head of carbon and body, directly insert the inserted bar in the through-hole, the locating piece gets into the spout, it is spacing to carbon brush head, first arch and the cooperation of L type dead lever, the threaded rod rotates, the threaded rod drives the screw thread piece and removes, the screw thread piece drives the stay cord, the stay cord drives L type dead lever, L type dead lever is fixed inserted bar and carbon brush head through first arch, make things convenient for the installation and the dismantlement of brush head of carbon, when needing to be changed, direct change brush head of carbon can, thereby reduce cost, high durability and convenient use, safety and reliability, therefore, the clothes hanger is strong in practicability, and.

Drawings

Fig. 1 is a schematic view of a front view of an internal structure of a plug-in type motor carbon brush according to the present invention;

fig. 2 is a schematic front view of a plug-in type carbon brush of a motor according to the present invention;

fig. 3 is a schematic view of an a-a structure of a plug-in type carbon brush for an electric motor according to the present invention.

In the figure: the carbon brush head fixing device comprises a pull rope 1, an L-shaped fixing rod 2, a first spring 3, a sliding groove 4, a guide block 5, a first protrusion 6, a carbon brush head 7, a body 8, a through hole 9, a sliding groove 10, an inserting rod 11, a mounting groove 12, a second spring 13, a center block 14, a second protrusion 15, a thread block 16, a threaded rod 17, a cover 18 and a positioning block 19.

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 to 3, the plug-in type motor carbon brush includes a body 8, a mounting groove 12 is formed in the front surface of the body 8, a center block 14 is installed inside the mounting groove 12, second protrusions 15 are installed on the upper portions of the two sides of the center block 14, the second protrusions 15 are abutted to pull ropes 1, and stability of movement of an L-shaped fixing rod 2 is improved.

First spring 3 is installed to the lower part of center block 14, and the lower extreme of first spring 3 is contradicted with inserted bar 11, can contradict inserted bar 11 through first spring 3, makes things convenient for popping out of inserted bar 11.

The lower part of body 8 is equipped with and installs the communicating through-hole 9 of groove 12, the inside both sides of through-hole 9 all are equipped with spout 10, the internally mounted of through-hole 9 has inserted bar 11, first arch 6 is all installed on the both sides upper portion of inserted bar 11, the locating piece 19 that is located the inside of spout 10 is all installed to the both sides lower part of inserted bar 11, the lower extreme fixed mounting of inserted bar 11 has carbon brush head 7, locating piece 19, be the integrated into one piece structure between inserted bar 11 and the first arch 6, stable in structure, excellent in use effect.

Equal fixed mounting in inside both sides of mounting groove 12 has guide block 5, L type dead lever 2 is all installed to the inside both sides of mounting groove 12, the middle part of L type dead lever 2 is equipped with spout 4 that is run through by guide block 5, the crotch of L type dead lever 2 is in the cooperation of first arch 6, second spring 13 is all installed to one side of L type dead lever 2, the one end and the body 8 of second spring 13 are connected, the upper portion threaded connection of body 8 has threaded rod 17, the outside threaded connection of threaded rod 17 has threaded block 16 that is located the inside of mounting groove 12, the both sides lower part of threaded block 16 all is connected with stay cord 1, stay cord 1 is the steel wire stay cord, high durability and stable use, and long service life is.

One end of the pull rope 1 is fixedly connected with the L-shaped fixed rod 2, and the front surface of the body 8 is provided with a cover 18.

The working principle is as follows: when in use, the carbon brush head 7 and the body 8 of the utility model are of two structures, when the carbon brush head 7 and the body 8 are installed, the inserted bar 11 is directly inserted into the through hole 9, the positioning block 19 enters the chute 10, the carbon brush head 7 is limited, the first bulge 6 is matched with the L-shaped fixed rod 2, the threaded rod 17 is rotated, the threaded rod 17 drives the threaded block 16 to move, the threaded block 16 drives the pull rope 1, the pull rope 1 drives the L-shaped fixed rod 2, the L-shaped fixed rod 2 fixes the inserted link 11 and the carbon brush head 7 through the first bulge 6, the carbon brush head 7 is convenient to mount and dismount, and when the carbon brush head 7 needs to be replaced, the carbon brush head 7 can be directly replaced, when the carbon brush head 7 is disassembled, the threaded rod 17 is rotated, the threaded rod 17 drives the threaded block 16 to move, the L-shaped fixing rod 2 slightly rotates under the action of the second spring 13, the L-shaped fixing rod 2 is separated from the first protrusion 6, and the carbon brush head 7 and the insertion rod 11 are ejected under the action of the first spring 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The carbon brush comprises a body (8) and is characterized in that a mounting groove (12) is arranged on the front surface of the body (8), a through hole (9) communicated with the mounting groove (12) is formed in the lower portion of the body (8), sliding grooves (10) are formed in two sides of the inside of the through hole (9), an insertion rod (11) is arranged inside the through hole (9), first protrusions (6) are arranged on the upper portions of two sides of the insertion rod (11), positioning blocks (19) located inside the sliding grooves (10) are arranged on the lower portions of two sides of the insertion rod (11), a carbon brush head (7) is fixedly arranged at the lower end of the insertion rod (11), guide blocks (5) are fixedly arranged on two sides of the inside of the mounting groove (12), L-shaped fixing rods (2) are arranged on two sides of the inside of the mounting groove (12), and sliding grooves (4) penetrated by the guide blocks (5) are formed in the middle of the L-shaped fixing, the crotch of L type dead lever (2) is in first arch (6) cooperation, second spring (13) are all installed to one side of L type dead lever (2), the one end and the body (8) of second spring (13) are connected, the upper portion threaded connection of body (8) has threaded rod (17), the outside threaded connection of threaded rod (17) has thread block (16) that are located mounting groove (12) inside, the both sides lower part of thread block (16) all is connected with stay cord (1), the one end and the L type dead lever (2) fixed connection of stay cord (1), lid (18) are installed in the front of body (8).

2. The carbon brush of the plug-in motor according to claim 1, wherein a center block (14) is installed inside the installation groove (12), a first spring (3) is installed at the lower portion of the center block (14), and the lower end of the first spring (3) abuts against the insertion rod (11).

3. The carbon brush of the plug-in motor according to claim 2, wherein the second protrusions (15) are mounted on both upper sides of the central block (14), and the second protrusions (15) are abutted against the pulling rope (1).

4. The carbon brush of a plug-in motor according to claim 1, wherein the pull cord (1) is a steel wire pull cord.

5. The plug-in motor carbon brush according to claim 1, wherein the carbon brush head (7), the positioning block (19), the plug rod (11) and the first protrusion (6) are integrally formed.