CN219106711U

CN219106711U - Brush holder with punching and riveting structure

Info

Publication number: CN219106711U
Application number: CN202223356128.0U
Authority: CN
Inventors: 郭治法; 郭祥雨
Original assignee: Cangzhou Yuhang Electric Machine Co ltd
Current assignee: Cangzhou Yuhang Electric Machine Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-30
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to the technical field of brush holders, in particular to a brush holder with a punching and riveting structure, wherein a wiring bolt hole is formed in a wiring board, a lower pressing plate is arranged on one side of the wiring board, an electric brush connecting screw is arranged in the lower pressing plate, the electric brush connecting screw penetrates through the wiring board and the lower pressing plate and connects the wiring board and the lower pressing plate, a lower clamp seat is arranged below the lower pressing plate, an upper pressing plate pressing screw is arranged in the lower pressing plate, and the upper pressing plate pressing screw penetrates through the lower pressing plate and the lower clamp seat and connects the lower pressing plate and the lower clamp seat; according to the utility model, under the condition that the loading current is ensured to be safe and the temperature rise is not higher than 40K, the wiring board is subjected to nickel plating treatment on the surface of the low-cost Q235 material, the low-cost Q235 material is subjected to punching riveting forming, the replacement cost is reduced, the service life of more than 30 years is obtained through the galvanizing or hot dip galvanizing treatment, the wiring board is connected with the lower clamp through the bolts, the wiring boards with different thicknesses can be configured with different powers, the serial connection of a plurality of brush holder devices can be met, and the application range of the brush holder devices is widened.

Description

Brush holder with punching and riveting structure

Technical Field

The utility model relates to the technical field of brush holders, in particular to a brush holder with a punching and riveting structure.

Background

Along with the industrial technology progress, the service life of equipment is continuously increased, the service life of the electromechanical equipment manufactured in standardization at present is 20 years old and continuously extends to more than 25 years, so that the parts assembled by the whole machine at present cannot be synchronized with the service life of the whole machine, huge losses are brought by midway evaluation and replacement of parts, meanwhile, the cost of components of the brush holder is higher, in the using process, the components inside the brush holder are fixedly installed and cannot be adjusted, wiring boards with different thicknesses cannot be configured for different powers, the serial connection of a plurality of brush holder devices cannot be met, the excessive consumable materials are arranged, and great resource waste and increased cost are caused, so that the brush holder with the punching and riveting structure is provided for the problems.

Disclosure of Invention

The utility model aims to provide a brush holder with a punching and riveting structure, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

as an alternative to the brush holder of the punching and riveting structure of the utility model, the following is adopted: the brush holder comprises a wiring board, wherein wiring bolt holes are formed in the wiring board, a lower pressing plate is arranged on one side of the wiring board, electric brush connecting screws are arranged in the lower pressing plate, the electric brush connecting screws penetrate through the wiring board and the lower pressing plate and connect the wiring board and the lower pressing plate, a lower clamp seat is arranged below the lower pressing plate, an upper pressing plate pressing screw is arranged in the lower pressing plate, and penetrates through the lower pressing plate and the lower clamp seat and connects the lower pressing plate and the lower clamp seat;

brush boxes are arranged on two sides of the wiring board, and constant force springs are arranged on the tops of the brush boxes;

the lower support plate is arranged below the lower clip seat, brush box angle adjusting bolts are arranged in the lower support plate, the lower support plate is connected with the brush box through the brush box angle adjusting bolts, and the conductive rings with different outer diameters are adapted through the angle adjusting fastening bolts.

As an alternative to the brush holder of the punching and riveting structure of the utility model, the following is adopted: the brush holder is formed by punching and riveting a Q235 steel plate, the surfaces of the brush holder are treated by zinc impregnation or hot dip galvanizing, and the zinc impregnation and hot dip galvanizing is carried out for 50 micrometers, so that the corrosion-resistant service life can be ensured to be longer than 30 years, meanwhile, the vibration grinding is adopted after the surface of the brush holder is hot dip galvanized to promote the surface to be bright, and the comfort of the surface is improved.

As an alternative to the brush holder of the punching and riveting structure of the utility model, the following is adopted: the outside of brush connecting screw is equipped with binding post to binding post adopts stainless steel laser cutting, and binding post surface carries out nickel plating and handles, and exempts subsequent processing, and surface nickel plating reduces connecting resistance, and can adjust different current-carrying in a flexible way, ensures that the terminal temperature rises and satisfies the work requirement, and this brush holder passes through riveting support frame transshipment micro-gap switch, detects the wearing and tearing of brush and transmits the control room.

As an alternative to the brush holder of the punching and riveting structure of the utility model, the following is adopted: the connecting terminal is convenient to be connected with the outside line and the two brush holders in series.

As an alternative to the brush holder of the punching and riveting structure of the utility model, the following is adopted: the number of the constant force springs is four, and the four constant force springs are not interfered with each other, so that the independent maintenance and replacement are convenient.

As an alternative to the brush holder of the punching and riveting structure of the utility model, the following is adopted: the number of the wiring bolt holes above the wiring board is not limited to three, and the wiring bolt holes can be designed according to actual requirements.

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

according to the utility model, under the condition that the loading current is ensured to be safe and the temperature rise is not higher than 40K, the wiring board is subjected to nickel plating treatment by adopting a low-cost Q235 material, an aluminum copper clad laminate can be adopted as the wiring board, the low-cost Q235 material is subjected to punching and riveting forming, the replacement cost is reduced, the service life of more than 30 years is obtained through hot dip galvanizing treatment, the visual comfort is enhanced through vibration polishing, the satisfactory appearance is obtained, the wiring board is connected with a lower clamp through a screw, the wiring boards with different thicknesses can be configured with different powers, the serial connection of a plurality of brush holder devices can be met, and the application range of the brush holder device is enlarged.

Drawings

FIG. 1 is a front view of the present utility model;

fig. 2 is a back view of the present utility model.

In the figure: 1. a wiring board; 2. wiring bolt holes; 3. a lower pressing plate; 4. brush connection screw; 5. a lower clip seat; 6. a lower support plate; 7. a brush box angle adjusting bolt; 8. a brush box; 9. a constant force spring; 10. the upper pressing plate compresses the screw.

Detailed Description

Example 1:

referring to fig. 1 and 2, the present utility model provides a technical solution:

the brush holder comprises a wiring board 1, wherein wiring bolt holes 2 are formed in the wiring board 1, a lower pressing plate 3 is arranged on one side of the wiring board 1, electric brush connecting screws 4 are arranged in the lower pressing plate 3, the electric brush connecting screws 4 penetrate through the wiring board 1 and the lower pressing plate 3 and are connected with each other, a lower clamp seat 5 is arranged below the lower pressing plate 3, an upper pressing plate pressing screw 10 is arranged in the lower pressing plate 3, and the upper pressing plate pressing screw 10 penetrates through the lower pressing plate 3 and the lower clamp seat 5 and is connected with the lower pressing plate 3 and the lower clamp seat 5;

the two sides of the wiring board 1 are respectively provided with a brush box 8, and the tops of the brush boxes 8 are respectively provided with a constant force spring 9;

the lower support plate 6 is arranged below the lower clip seat 5, the brush box angle adjusting bolt 7 is arranged inside the lower support plate 6, the lower support plate 6 and the brush box 8 are connected through the brush box angle adjusting bolt 7, and the conductive rings with different outer diameters are adapted through the angle adjusting fastening bolt 7.

The brush holder is formed by punching and riveting the low-cost Q235 steel plate, the cost is reduced, the surfaces are all subjected to hot dip galvanizing treatment, and the hot dip galvanizing is 50 microns, so that the corrosion-resistant service life can be ensured to be longer than 30 years, meanwhile, the vibration grinding is adopted after the surface of the brush holder is subjected to hot dip galvanizing, the surface brightness is promoted, and the comfort of the surface is improved.

In the punching and riveting process, the box hole is reserved with a hot dip zinc thickness allowance of 100 mu m, so that the precision of the brush box Kong Manzu E10 after hot dip zinc plating is ensured.

Meanwhile, the brush holders are arranged left and right, the center line is aligned with the center of the slip ring, the brush holders are used corresponding to slip rings (not shown in the figure) with different diameters, and the center distance can be adjusted to complete centering.

The structure can be designed according to the single row, double rows, three rows and multiple rows of using power, so long as the mechanical strength of the machine in a vibrating state is ensured to be random, the models in fig. 1 and 2 are double-arrangement left and right structures, and the application range of the device is enlarged.

The independent wiring board 1, wiring board 1 of different thickness can be disposed to different powers, satisfies that a plurality of brush holder devices are used in series, guarantees loading current safety, and under the condition that the temperature rise is not higher than 40K, wiring 1 adopts low Q235 material surface nickel plating to handle can, also can adopt aluminium complex copper as wiring board 1, and the basis can be provided with arbitrary shape for convenient operation, wiring board 1.

The carbon brush wire clip is fastened on the wiring board 1, so that the contact resistance increase generated by intermediate transition connection is reduced.

The outside of above-mentioned brush connecting screw 4 is equipped with binding post to binding post adopts stainless steel laser cutting, and binding post 4 surface carries out nickel plating and handles, and exempts subsequent processing, and surface nickel plating reduces connecting resistance, and can adjust different current-carrying in a flexible way, ensures that the terminal temperature rise satisfies the operational requirement, and this brush holder passes through riveting support frame transshipment micro-gap switch, detects the wearing and tearing of brush and transmits the control room.

The connecting terminal is convenient to be connected with the outside line and the two brush holders in series.

Example 2

In this embodiment, as shown in fig. 1 and 2, the number of the constant force springs 9 is four, and the four constant force springs 9 do not interfere with each other.

The number of the wiring bolt holes 2 above the wiring board 1 is not limited to three, the wiring bolt holes 2 can be designed according to actual requirements, the requirements of serial connection and external connection of a plurality of brush holder devices are met, the wiring surface of the wiring board 1 protrudes out of the surface of the brush box body, and the external connection cable is convenient to realize interference-free connection.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this utility model, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the utility model, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a dash and rivet structure brush holder, includes wiring board (1), its characterized in that: the wiring board is characterized in that wiring bolt holes (2) are formed in the wiring board (1), a lower pressing plate (3) is arranged on one side of the wiring board (1), electric brush connecting screws (4) are arranged in the lower pressing plate (3), the electric brush connecting screws (4) penetrate through the wiring board (1) and the lower pressing plate (3) and are connected, a lower clamp base (5) is arranged below the lower pressing plate (3), an upper pressing plate pressing screw (10) is arranged in the lower pressing plate (3), and the upper pressing plate pressing screw (10) penetrates through the lower pressing plate (3) and the lower clamp base (5) and is connected with the lower pressing plate (3) and the lower clamp base (5);

brush boxes (8) are arranged on two sides of the wiring board (1), and constant force springs (9) are arranged at the tops of the brush boxes (8);

the lower support plate (6) is arranged below the lower clip seat (5), the brush box angle adjusting bolt (7) is arranged inside the lower support plate (6), and the lower support plate (6) and the brush box (8) are connected through the brush box angle adjusting bolt (7).

2. The brush holder with a punch-rivet structure according to claim 1, wherein: the brush holder is formed by punching and riveting a Q235 steel plate, the surface of the brush holder is treated by zinc impregnation or hot dip galvanizing, and the zinc impregnation or hot dip galvanizing is carried out for 50 micrometers.

3. The brush holder with a punch-rivet structure according to claim 1, wherein: the outside of brush connecting screw (4) is equipped with binding post to binding post adopts stainless steel laser cutting, and binding post surface carries out nickel plating.

4. The brush holder with a punch-rivet structure according to claim 1, wherein: the number of the constant force springs (9) is four, and the four constant force springs (9) do not interfere with each other.

5. The brush holder with a punch-rivet structure according to claim 1, wherein: the number of the wiring bolt holes (2) above the wiring board (1) is three.