CN203103724U - Carbon brush - Google Patents

Abstract

The utility model discloses a special carbon brush for dust collectors, which is characterized in that the carbon brush comprises a cuboid brush body (1) and a wire (2) connected to the cuboid brush body (1), wherein the top part of the cuboid brush body (1) is provided with a wire embedding hole (1a), the aperture of the wire embedding hole (1a) is 1.9-2.1mm; the wire embedding hole (1a) is filled with resin used for sealing; one end of the wire (2) extends into the wire embedding hole (1a); the gap between the wire (2) and the wire embedding hole (1a) is filled with copper powder; and the radius of the wire (2) is 0.475-0.525mm. The carbon brush disclosed by the utility model is simple in structure and long in service life.

Description

A kind of carbon brush

Technical field

The utility model relates to carbon brush, relates in particular to a kind of dust catcher carbon brush.

Technical background

Carbon brush is the device that transmits energy or signal between the standing part of motor or generator or other rotating machineries and the rotating part, and it generally is that pure carbon adds coagulating agent and makes, and external form generally is a square, is stuck on the metallic support.The supporting carbon brush that does not also have at present the dust catcher special use on the market, and do not seek unity of standard.

Summary of the invention

The purpose of this utility model is exactly in order to overcome the problem that above-mentioned prior art exists, a kind of dust catcher carbon brush of design according to actual needs to be provided, and is simple in structure, long service life.

In order to realize above-mentioned purpose of the present utility model, provide following technical scheme:

A kind of carbon brush comprises: the cuboid brush body; The lead that connects described cuboid brush body; Wherein, described cuboid brush body top offers the hole of sunkening cord, and the described aperture, hole of sunkening cord is 1.9～2.1mm; Wherein, the described hole of sunkening cord is filled with the resin that is used to seal; Wherein, described lead one end stretches into the described hole of sunkening cord; Wherein, the described lead and the gap of sunkening cord between the hole are filled with copper powder.

Preferably, the length of described cuboid brush body is respectively 11.4～12.6mm, 6.65～7.35mm, 33.25～36.75mm.

Preferably, described lead radius is 0.475～0.525mm.

Preferably, described lead is the twisted wire by multiply copper core Shu Zucheng.

Preferably, described cuboid brush body bottom surface is an arch.

The beneficial effects of the utility model embody in the following areas:

The utility model has been made special-purpose carbon brush for dust catcher according to actual needs, and this carbon brush commutation ability is good, and spark is little, and simple in structure, long service life.

Description of drawings

Fig. 1 is the front view of a kind of carbon brush of the utility model;

Fig. 2 is a carbon brush left view shown in Figure 1;

Fig. 3 is the vertical view of carbon brush brush body shown in Figure 1;

Fig. 4 is the cutaway view of carbon brush brush body shown in Figure 1.

Description of reference numerals: 1-cuboid brush body; The 1a-hole of sunkening cord; The 2-lead.

Embodiment

As shown in Figure 1, 2, a kind of carbon brush of the utility model comprises: cuboid brush body 1, and cuboid brush body 1 bottom surface is an arch, when arch bottom surface and engine commutator break-in, helps reducing the generation of spark; Connect the lead 2 of cuboid brush body 1, lead 2 is the twisted wire by multiply copper core Shu Zucheng.

Shown in Fig. 3,4, cuboid brush body 1 top offers the hole 1a that sunkens cord.During practical operation, lead 2 one ends stretch into the hole 1a that sunkens cord, and the other end is welded with spring and emits, and these outer conductor 2 outsides are arranged with spring.Wherein, fill with copper powder in lead 2 and the gap of sunkening cord between the 1a of hole, clogged copper powder after, the hole 1a that sunkens cord seals with resin.

The length of the utility model cuboid brush body 1 is respectively 11.4～12.6mm, 6.65～7.35mm, 33.25～36.75mm; Lead 2 radiuses are 0.475～0.525mm; The 1a aperture, hole of sunkening cord is 1.9～2.1mm.

The utility model is the special-purpose carbon brush of dust catcher, and commutation ability is good, and spark is little, and is simple in structure, long service life.

Although above-mentioned the utility model is described in detail; but the utility model is not limited thereto; those skilled in the art can make amendment according to principle of the present utility model; therefore, all various modifications of carrying out according to principle of the present utility model all should be understood to fall into protection range of the present utility model.

Claims (5)

1. a carbon brush is characterized in that, comprising:

Cuboid brush body (1);

The lead (2) that connects described cuboid brush body (1);

Wherein, described cuboid brush body (1) top offers the hole of sunkening cord (1a), and aperture, the described hole of sunkening cord (1a) is 1.9～2.1mm;

Wherein, the described hole of sunkening cord (1a) is filled with the resin that is used to seal;

Wherein, described lead (2) one ends stretch into the described hole of sunkening cord (1a); Wherein, the gap between described lead (2) and the hole of sunkening cord (1a) is filled with copper powder.

2. carbon brush as claimed in claim 1 is characterized in that, the length of described cuboid brush body (1) is respectively 11.4～12.6mm, 6.65～7.35mm, 33.25～36.75mm.

3. carbon brush as claimed in claim 2 is characterized in that, described lead (2) radius is 0.475～0.525mm.

4. carbon brush as claimed in claim 2 is characterized in that, described lead (2) is the twisted wire by multiply copper core Shu Zucheng.

5. carbon brush as claimed in claim 2 is characterized in that, described cuboid brush body (1) bottom surface is an arch.

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