Anti-fracture electric brush structure

Abstract

The utility model relates to the technical field of electric brushes, in particular to an anti-fracture electric brush structure, which comprises an anti-fracture electric brush structure main body, a brush rod seat is arranged at the bottom end of the anti-fracture electric brush structure main body, mounting grooves are respectively arranged on two sides of the brush rod seat, mounting holes are respectively arranged on the periphery of the brush rod seat, and the brush rod seat and the mounting holes are arranged in the brush rod seat. The anti-fracture electric brush structure comprises an installation hole, a protection box is arranged on the upper side of the installation hole, a pin shaft is installed between the bottom end of the protection box and the installation hole, an insulation pad is pasted on the inner wall of the protection box, an electric brush is clamped and embedded in the inner wall of the protection box, and a brush braid is connected to the middle of the electric brush. The protection box is used for protecting the electric brush, the wire is protected through the brush braid, the protection sealing sleeve and the insulation protection winding belt, the effect of protecting the wire in the working process of the electric brush is conveniently achieved, the wire is prevented from being broken, and the protection box is installed on the brush rod base through the pin shaft and is convenient to disassemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of brush, especially a kind of brush structure of preventing fracture. BACKGROUND

[0002] Brush is usually supported by graphite, assembled on the slip ring of motor, and conducts current as a sliding contact piece.

[0003] In the patent with the publication number CN204597189U, a brush structure is proposed, which includes a brush body and a wire fixedly connected with the brush body. The brush body is composed of a conductive intermediate layer and a wear-resistant conductive outer layer arranged outside the left and right end surfaces of the conductive intermediate layer. The connecting end of the wire is embedded in the rear end of the conductive intermediate layer. The front ends of the conductive intermediate layer and the wear-resistant conductive outer layer are provided with a continuous arc surface, and the arc surface is concave with a tooth-shaped groove. The wire is made of copper wire, the conductive intermediate layer is sintered by copper powder and carbon powder in a suitable proportion, and the wear-resistant conductive outer layer is sintered by copper powder, carbon powder and graphite in a suitable proportion. During production, the conductive intermediate layer is sintered outside the connecting end of the wire, and then the wear-resistant conductive outer layer is sintered outside the left and right end surfaces of the conductive intermediate layer. It not only ensures the lubrication requirement of commutation, but also ensures the wear-resistant conductive requirement. In the actual use of starter, it can reach 500,000 times, has long service life, and can meet the demand of the latest market start-stop starter. However, the patent still has the following problems:

[0004] The above brush structure may be broken during use due to friction of the wire during rotation, which is not convenient for use of the brush structure.

[0005] To solve the above problems, a brush structure that prevents fracture is needed. SUMMARY

[0006] The main purpose of the utility model is to provide a brush structure that prevents fracture, which can effectively solve the problems in the background art.

[0007] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0008] The utility model provides a kind of anti-fracture brush structure, including anti-fracture brush structure main body, the bottom end of the anti-fracture brush structure main body is provided with brush rod seat, the both sides of the brush rod seat are respectively provided with installation groove, the one week of the brush rod seat is respectively provided with mounting hole, the upper side of the mounting hole is provided with protective box, the bottom end between the protective box and mounting hole is equipped with pin shaft, the inner wall of the protective box is pasted with insulating pad, the inner wall of the protective box is embedded with brush, the middle part of the brush is connected with brush braid, the inside center of the brush braid is provided with wire, the outer wall of the wire is wrapped with insulating protective winding band, the outer wall of the insulating protective winding band is wrapped with protective sealing sleeve, the protective sealing sleeve is set to the inner wall of brush braid, one end of the brush is provided with magnetic cylinder.

[0009] As the preferred scheme of the utility model, the number of the brush set is four groups, the number of the protective box set is four groups, the number of the pin shaft set is eight groups, the number of the wire set in the brush braid inside is three groups.

[0010] As the preferred scheme of the utility model, the insulating pad is fixedly connected between the protective box, and the protective box and the brush rod seat are detachably installed through the pin shaft.

[0011] As the preferred scheme of the utility model, the brush is clamped between the protective box, and the wire is fixedly connected between the insulating protective winding band.

[0012] As the preferred scheme of the utility model, the protective sealing sleeve is fixedly sleeved between the insulating protective winding band, and the protective sealing sleeve is fixedly sleeved between the brush braid.

[0013] As the preferred scheme of the utility model, the brush braid is connected with four groups of brushes in a circle type, so that it is surrounded into a circle, and the four groups of brushes are evenly arranged to form a circle shape. Beneficial effects

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the utility model, a kind of anti-fracture brush structure is designed, the brush is protected by protective box, the wire is protected by brush braid, protective sealing sleeve and insulating protective winding band, which is convenient for protecting wire during brush work, prevents wire from breaking, and protective box is installed to brush rod seat through pin shaft, which is convenient for dismounting. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the anti-fracture brush structure main body of the utility model;

[0017] Figure 2 It is the explosion structure schematic view of the anti-fracture brush structure main body of the utility model;

[0018] Figure 3 is the structure diagram of the brush braid and the wire of the utility model;

[0019] Figure 4 is the structure diagram of the brush and the protective box of the utility model.

[0020] In the figure: 1, the anti-fracture brush structure main body; 101, the brush rod seat; 102, the protective box; 103, the pin shaft; 104, the installation groove; 105, the mounting hole; 106, the magnetic cylinder; 107, the insulating pad; 108, the brush; 109, the brush braid; 110, the protective sealing sleeve; 111, the insulating protective winding tape; 112, the wire. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently, apparently, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0022] In order to facilitate understanding the utility model, the utility model will be described more fully below with reference to relevant drawings, several embodiments of the utility model are given, but the utility model can be realized in many different forms, and is not limited to the embodiments described in the present text, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figures 1-4 As shown in a kind of anti-fracture brush structure, including anti-fracture brush structure main body 1, the bottom end of anti-fracture brush structure main body 1 is provided with brush rod seat 101, installation groove 104 is respectively set up in the two sides of brush rod seat 101, installation hole 105 is respectively set up in the periphery of brush rod seat 101, protective box 102 is set on the upper side of installation hole 105, pin shaft 103 is installed between the bottom end of protective box 102 and installation hole 105, insulating pad 107 is pasted on the inner wall of protective box 102, brush 108 is clamped in the inner wall of protective box 102, brush braid 109 is connected in the middle part of brush 108, wire 112 is set in the inner center of brush braid 109, insulating protective winding tape 111 is wrapped on the outer wall of wire 112, protective sealing sleeve 110 is wrapped on the outer wall of insulating protective winding tape 111, protective sealing sleeve 110 is set on the inner wall of brush braid 109, and magnetic cylinder 106 is set on one end of brush 108.

[0025] Please refer to the accompanying Figure 1 , the accompanying Figure 2 and the accompanying Figure 3 As shown in the drawings, the number of brushes 108 is four groups, the number of protective boxes 102 is four groups, the number of pin shafts 103 is eight groups, the number of wires 112 inside a group of brush pigtails 109 is three groups, the insulating pad 107 is fixedly connected between the protective box 102 and the brush holder 101, the protective box 102 is detachably installed between the brush holder 101 through the pin shaft 103, the brush 108 is clamped between the protective box 102, the wire 112 is fixedly connected between the insulating protective winding belt 111, the protective sealing sleeve 110 is fixedly sleeved between the insulating protective winding belt 111, the protective sealing sleeve 110 is fixedly sleeved between the brush pigtail 109, the brush pigtail 109 is connected with the four groups of brushes 108 to form a circle, and the four groups of brushes 108 are evenly arranged to form a circle.

[0026] Among them, the protective box 102 is installed on the surface of the brush holder 101 through the pin shaft 103, and can be disassembled, which is convenient for maintenance or replacement in the later period, the installation groove 104 plays a role in installing the brush holder 101, and the insulating pad 107 plays a role in insulation to prevent affecting the normal work of the brush.

[0027] The working process of the utility model: using the anti-fracture brush structure designed in the scheme, when working, the wire 112 is wound with the insulating protective winding belt 111 on the outer wall, the three groups of wires 112 wound with the insulating protective winding belt 111 are combined together, the protective sealing sleeve 110 is slowly sleeved on the outer wall, the brush pigtail 109 is sleeved on the outer wall of the protective sealing sleeve 110, and multiple protections play a better protection effect on the wire 112, so as to prevent the wire 112 from being broken, the four groups of brushes 108 are penetrated together through the brush pigtail 109, the protective box 102 is installed on the outer wall of the corresponding brush 108 respectively, the protective box 102 is fastened to the surface of the brush holder 101 through the pin shaft 103, so that it is more stable, and the protective box 102 plays a protective effect on the brush 108, the four groups of brushes 108 form a circle, the magnetic cylinder 106 is surrounded, the brush structure is convenient to use, and the insulating pad 107 plays a role in insulation.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A break-proof brush structure comprising a break-proof brush structure body (1), characterized in that: The bottom end of the anti-fracture brush structure body (1) is provided with a brush rod seat (101), both sides of the brush rod seat (101) are respectively provided with a mounting groove (104), a mounting hole (105) is arranged on the brush rod seat (101), a protection box (102) is arranged on the upper side of the mounting hole (105), a pin shaft (103) is arranged between the bottom end of the protection box (102) and the mounting hole (105), an insulating pad (107) is attached to the inner wall of the protection box (102), an electric brush (108) is clamped in the inner wall of the protection box (102), a brush braid (109) is connected to the middle part of the electric brush (108), a wire (112) is arranged in the inner center of the brush braid (109), an insulating protective winding tape (111) is wrapped on the outer wall of the wire (112), a protective sealing sleeve (110) is wrapped on the outer wall of the insulating protective winding tape (111), and the protective sealing sleeve (110) is arranged on the inner wall of the brush braid (109). One end of the electric brush (108) is provided with a magnetic cylinder (106).

2. A break-proof brush structure according to claim 1, characterized in that: The number of the electric brush (108) is four groups, the number of the protection box (102) is four groups, and the number of the pin shaft (103) is eight groups. The number of the wire (112) arranged in the brush braid (109) is three groups.

3. The break-resistant brush structure of claim 1, wherein: The insulating pad (107) is fixedly connected with the protection box (102), and the protection box (102) is detachably mounted with the brush rod seat (101) through the pin shaft (103).

4. The break-resistant brush structure of claim 1, wherein: The electric brush (108) is clamped with the protection box (102), and the wire (112) is fixedly connected with the insulating protective winding tape (111).

5. The break-resistant brush structure of claim 1, wherein: The protective sealing sleeve (110) is fixedly sleeved with the insulating protective winding tape (111), and the protective sealing sleeve (110) is fixedly sleeved with the brush braid (109).

6. The break-resistant brush structure of claim 1, wherein: The brush braid (109) is connected with four groups of electric brushes (108) in a circle shape, and the four groups of electric brushes (108) are evenly arranged to form a circle.

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