CN211456178U

CN211456178U - Double carbon brush

Info

Publication number: CN211456178U
Application number: CN202020430803.1U
Authority: CN
Inventors: 周伟
Original assignee: Jiangsu Yiken Electrical Technology Co ltd
Current assignee: Jiangsu Yiken Electrical Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-09-08
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a double carbon brush, including first combination carbon brush main part, combination mounting pad, second combination carbon brush main part and damping spring, second combination carbon brush main part is installed to one side of first combination carbon brush main part, install the connecting band on one side outer wall of first combination carbon brush main part, connecting wire is all installed at the top of first combination carbon brush main part and second combination carbon brush main part, the mounting groove has been seted up to the inside of first combination carbon brush main part, damping spring is fixed mounting in the inside of mounting groove, damping spring's top demountable installation has the combination mounting pad; the utility model discloses an install four wires respectively at the top, and the design is two carbon brush combination formula, and four wires are arranged respectively at two carbon brush top both ends, and at carbon brush during operation, each wire makes the inside electric current of carbon brush balanced, can not appear the inhomogeneous condition of current distribution, has improved the work effect of carbon brush greatly, and reasonable in design is practical.

Description

Double carbon brush

Technical Field

The utility model belongs to the technical field of the carbon brush, concretely relates to two carbon brushes.

Background

Carbon brushes, also called brushes, are widely used in many electrical devices and are sliding contacts. 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, thereby playing an extremely important role in the motor.

At present, the carbon brush is only connected with a single wire at the top, when conducting electricity, the part of the carbon brush connected with the wire can show good electrically conductive effect, but not with the carbon brush of wire connection or part then the wire effect is not good, the inside current distribution of carbon brush uneven with, can lead to the effect reduction of carbon brush, and present carbon brush is not provided with wear-resisting material externally, lead to the very easy wearing and tearing of carbon brush to consume, need often change the carbon brush, it is comparatively troublesome, the waste of resource has also been caused, need carry out certain improvement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double carbon brush, only be connected with single wire at the top with the present carbon brush that proposes in solving above-mentioned background art, when electrically conducting, the part of the carbon brush of being connected with the wire can demonstrate good electrically conductive effect, but not carbon brush or the part of being connected with the wire then the wire effect is not good, the inside current distribution of carbon brush uneven with, can lead to the effect of carbon brush to reduce, and present carbon brush does not externally be provided with wear-resistant material, lead to the very easy wearing and tearing of carbon brush to consume, need often change the carbon brush, it is comparatively troublesome, the problem of the waste of resource has also been caused.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double carbon brush, includes first combination carbon brush main part, combination mounting pad, second combination carbon brush main part and damping spring, second combination carbon brush main part is installed to one side of first combination carbon brush main part, install the connecting band on one side outer wall of first combination carbon brush main part, connecting wire is all installed with the top of second combination carbon brush main part to first combination carbon brush main part, the mounting groove has been seted up to the inside of first combination carbon brush main part, the inside fixed mounting of mounting groove has damping spring, damping spring's top demountable installation has the combination mounting pad, the combination mounting pad comprises first combination insulating pad and second combination damping pad, all be provided with the wearing material layer on the surface of first combination carbon brush main part and second combination carbon brush main part.

Preferably, a combined connecting shaft is installed at one end of the connecting belt, and one end of the combined connecting shaft is clamped and embedded into a connecting hole formed in the second combined carbon brush main body.

Preferably, two connecting bands and two combined connecting shafts are symmetrically arranged on the first combined carbon brush main body and the second combined carbon brush main body about the transverse central axis.

Preferably, four connecting wires are installed in parallel with each other.

Preferably, the connecting wire and the connecting positions of the first combined carbon brush main body and the second combined carbon brush main body are fixedly provided with positioning pieces.

Preferably, one end of the damping spring is positioned in an inner groove formed in the second combined damping pad.

Preferably, the first combined insulating pad and the second combined shock pad are fixedly connected through bonding.

Preferably, the bottom of the second combined shock pad is fixedly provided with a pressing bottom column, and the pressing bottom column is in mutual contact with the positioning sheet and is extruded.

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

(1) four wires are installed at the top of the carbon brush respectively, the carbon brush is designed to be of a double-carbon-brush combined type, the four wires are arranged at two ends of the top of the double-carbon brush respectively, when the carbon brush works, the wires enable current inside the carbon brush to be balanced, the condition of uneven current distribution cannot occur, the working effect of the carbon brush is greatly improved, and the carbon brush is reasonable and practical in design.

(2) The wear-resistant material layer is arranged outside the carbon brush, so that the wear resistance of the surface of the carbon brush can be greatly improved, the overall wear of the carbon brush can be greatly reduced when the carbon brush works, the loss of the carbon brush due to long-term wear is avoided, the service life of the carbon brush is effectively prolonged, and the carbon brush is not required to be frequently replaced.

(3) The combined mounting pad is installed at the top of the carbon brush and consists of the insulating pad and the shock absorption pad, and when the carbon brush works, the shock absorption pad can play an effective shock absorption effect, the insulating pad can play an effective insulating effect, current is prevented from being transmitted outwards, and a certain safety protection effect is achieved.

(4) The damping spring is installed in the carbon brush and connected with the combined mounting pad, and when the carbon brush works, the damping spring further improves the damping effect of the combined mounting pad, and the using effect is good.

Drawings

FIG. 1 is a partial sectional view of the front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B in the present invention.

In the figure: 1. a first composite carbon brush main body; 2. a wear resistant material layer; 3. connecting a lead; 4. a composite mounting mat; 41. a first composite insulating pad; 42. a second combination cushion; 5. combining the connecting shafts; 6. a second combined carbon brush main body; 7. a connecting belt; 8. an inner tank; 9. mounting grooves; 10. a damping spring; 11. compressing the bottom pillar; 12. and (6) a positioning sheet.

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.

Referring to fig. 1 to 4, the present invention provides a dual carbon brush, which includes a first combined carbon brush main body 1, a combined mounting pad 4, a second combined carbon brush main body 6 and a damping spring 10, a second combined carbon brush main body 6 is installed on one side of the first combined carbon brush main body 1, a connecting band 7 is installed on the outer wall of one side of the first combined carbon brush main body 1, the top parts of the first combined carbon brush main body 1 and the second combined carbon brush main body 6 are both provided with a connecting wire 3, an installation groove 9 is formed in the first combined carbon brush main body 1, a damping spring 10 is fixedly installed in the installation groove 9, the top of the damping spring 10 is detachably provided with a combined mounting pad 4, the combined mounting pad 4 consists of a first combined insulating pad 41 and a second combined damping pad 42, and the outer surfaces of the first combined carbon brush main body 1 and the second combined carbon brush main body 6 are both provided with an abrasion-resistant material layer 2.

The technical scheme is as follows: the connecting band 7 is moved, one end of the combined connecting shaft 5 is clamped and embedded into a connecting hole formed in the second combined carbon brush main body 6, the first combined carbon brush main body 1 and the second combined carbon brush main body 6 can be effectively combined tightly, at the moment, the combined mounting pad 4 penetrates through each connecting wire 3 and is mounted above the first combined carbon brush main body 1 and the second combined carbon brush main body 6, the compression bottom column 11 is made to be in contact with the positioning piece 12, the carbon brush is mounted in the brush holder, when the combined carbon brush is used, the wear resistance of the surface of the carbon brush can be greatly improved through the wear-resistant material layer 2, when the carbon brush works, the overall wear of the carbon brush can be greatly reduced, the loss of the carbon brush due to long-term wear is avoided, the combined mounting pad 4 can provide effective damping and insulating effects, and in work, and the damping spring.

Specifically, as shown in fig. 1 and 2, a combined connecting shaft 5 is installed at one end of the connecting belt 7, one end of the combined connecting shaft 5 is inserted into a connecting hole formed in the second combined carbon brush main body 6 in a clamping manner, and the first combined carbon brush main body 1 and the second combined carbon brush main body 6 can be effectively and tightly combined by installing the combined connecting shaft 5 and inserting one end of the combined connecting shaft 5 into a connecting hole formed in the second combined carbon brush main body 6 in a clamping manner.

Specifically, as shown in fig. 1 and 2, two connecting bands 7 and two connecting shafts 5 are symmetrically installed about the transverse central axes of the first combined carbon brush main body 1 and the second combined carbon brush main body 6, and the tightness of the combination of the first combined carbon brush main body 1 and the second combined carbon brush main body 6 can be effectively ensured by installing the double connecting bands 7 and the connecting shafts 5.

Specifically, as shown in fig. 1 and 2, four connecting wires 3 are arranged in parallel, and by installing the four connecting wires 3, the current inside the carbon brush is balanced by each wire, so that the condition of uneven current distribution is avoided, the working effect of the carbon brush is greatly improved, and the design is reasonable and practical.

Specifically, as shown in fig. 2 and 4, the positioning pieces 12 are fixedly mounted at the connection positions of the connecting wires 3 and the first and second combined carbon brush

main bodies

1 and 6, and the mounting and fixing effects of the connecting wires 3 can be effectively improved by mounting the positioning pieces 12.

Specifically, as shown in fig. 2 and 3, one end of the damper spring 10 is located in the inner groove 8 formed in the second combined damper pad 42, and the second combined damper pad 42 and the damper spring 10 can be positioned and installed without displacement by locating one end of the damper spring 10 in the inner groove 8 formed in the second combined damper pad 42.

Specifically, as shown in fig. 1 and 2, the first combined insulating pad 41 and the second combined shock pad 42 are fixedly connected by adhesion, and the first combined insulating pad 41 and the second combined shock pad 42 are fixedly connected by adhesion, so that the first combined insulating pad 41 and the second combined shock pad 42 are effectively combined into a whole.

Specifically, as shown in fig. 2 and 4, the pressing bottom pillar 11 is fixedly installed at the bottom of the second combined damping pad 42, the pressing bottom pillar 11 and the positioning piece 12 are in contact with each other and are pressed against each other, and by installing the pressing bottom pillar 11, after the combined mounting pad 4 is installed, the pressing bottom pillar 11 and the positioning piece 12 can be pressed against each other, so that a certain gap is maintained between the combined mounting pad 4 and the first combined carbon brush main body 1.

It should be noted that: the wear-resistant material layer 2 can be made of polyurethane, the first combined insulating pad 41 can be made of rubber, and the second combined shock absorption pad 42 can be made of silica gel.

The utility model discloses a theory of operation and use flow: the connecting band 7 is moved, one end of the combined connecting shaft 5 is clamped and embedded into a connecting hole formed in the second combined carbon brush main body 6, the first combined carbon brush main body 1 and the second combined carbon brush main body 6 can be effectively combined tightly, at the moment, the combined mounting pad 4 penetrates through each connecting wire 3 and is mounted above the first combined carbon brush main body 1 and the second combined carbon brush main body 6, the compression bottom column 11 is made to be in contact with the positioning piece 12, the carbon brush is mounted in the brush holder, when the combined carbon brush is used, the wear resistance of the surface of the carbon brush can be greatly improved through the wear-resistant material layer 2, when the carbon brush works, the overall wear of the carbon brush can be greatly reduced, the loss of the carbon brush due to long-term wear is avoided, the combined mounting pad 4 can provide effective damping and insulating effects, and in work, and the damping spring.

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 two carbon brushes, includes first combination carbon brush main part (1), combination mounting pad (4), second combination carbon brush main part (6) and damping spring (10), its characterized in that: the carbon brush of the carbon brush is characterized in that a second combined carbon brush main body (6) is installed on one side of the first combined carbon brush main body (1), a connecting band (7) is installed on the outer wall of one side of the first combined carbon brush main body (1), connecting wires (3) are installed on the top portions of the first combined carbon brush main body (1) and the second combined carbon brush main body (6), a mounting groove (9) is formed in the inside of the first combined carbon brush main body (1), a damping spring (10) is installed on the inside of the mounting groove (9), a combined mounting pad (4) is detachably installed on the top portion of the damping spring (10), the combined mounting pad (4) is composed of a first combined insulating pad (41) and a second combined damping pad (42), and an abrasion-resistant material layer (2) is arranged on the outer surfaces of the first combined carbon brush main body (1) and the second combined.

2. A dual carbon brush according to claim 1, characterized in that: and a combined connecting shaft (5) is installed at one end of the connecting belt (7), and one end of the combined connecting shaft (5) is clamped and embedded into a connecting hole formed in the second combined carbon brush main body (6).

3. A dual carbon brush according to claim 1, characterized in that: and the connecting belt (7) and the combined connecting shaft (5) are symmetrically arranged about the transverse central axes of the first combined carbon brush main body (1) and the second combined carbon brush main body (6).

4. A dual carbon brush according to claim 1, characterized in that: four connecting wires (3) are arranged in parallel.

5. A dual carbon brush according to claim 1, characterized in that: and positioning pieces (12) are fixedly arranged at the connecting parts of the connecting wires (3) and the first combined carbon brush main body (1) and the second combined carbon brush main body (6).

6. A dual carbon brush according to claim 1, characterized in that: one end of the damping spring (10) is positioned in an inner groove (8) formed in the second combined damping pad (42).

7. A dual carbon brush according to claim 1, characterized in that: the first combined insulating pad (41) and the second combined shock absorption pad (42) are fixedly connected through bonding.

8. A dual carbon brush according to claim 5, characterized in that: the bottom of the second combined shock pad (42) is fixedly provided with a pressing bottom column (11), and the pressing bottom column (11) is in mutual contact with the positioning sheet (12) and is extruded.