CN219163871U

CN219163871U - Carbon brush of brush direct current motor

Info

Publication number: CN219163871U
Application number: CN202223467414.4U
Authority: CN
Inventors: 周小兵; 周小军; 徐江鹏; 王勇
Original assignee: Jiangsu Hailing Carbon Products Co ltd
Current assignee: Jiangsu Hailing Carbon Products Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-09
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a brush direct current motor carbon brush, which comprises a base, wherein a shell component is detachably arranged on the upper end face of the base in the middle, a mounting component is detachably arranged in the shell component, the mounting component comprises a semicircular arc plate, the bottom of the inner edge face of the semicircular arc plate is provided with a mounting plate, the upper end face of the mounting plate is provided with a positioning groove in an annular array, a positioning sliding shaft is arranged on the middle of the positioning groove in a centering way, a mounting block is arranged on the outer edge face of the positioning sliding shaft in a sliding fit manner, a pressure-bearing spring which is abutted to one side of the mounting block is sleeved on the outer edge face of one end of the positioning sliding shaft, a carbon brush body is detachably arranged on one side, away from the pressure-bearing spring, of the mounting block, the shell component comprises a circular shell, the outer edge face of which is provided with an arc groove, the semicircular arc plate is detachably arranged, a pull ring is arranged on the outer edge face of the semicircular arc plate in the middle, and the brush direct current motor carbon brush is reasonable in structure, and convenient to realize quick switching of the carbon brush, and has strong practicability.

Description

Carbon brush of brush direct current motor

Technical Field

The utility model belongs to the technical field of carbon brushes, and particularly relates to a brush direct current motor carbon brush.

Background

Carbon brushes, also called brushes, are widely used in many electrical devices as a sliding contact. The carbon brush is mainly made of graphite, impregnated graphite and metal (copper and silver containing) graphite in the application materials of the product. 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 rotary machinery, is generally made of pure carbon and a coagulant, is generally square in shape, is clamped on a metal bracket, is tightly pressed on a rotating shaft by a spring, and transmits electric energy to a coil through a phase changer when the motor rotates. The replacement should be maintained regularly and the carbon deposit should be cleaned.

Publication number CN217240456U discloses a DC motor carbon brush, which comprises a housing, the top fixedly connected with apron of shell, the top swing joint of apron has the dust screen, the inner wall fixedly connected with heat dissipation fan of apron, the inner chamber sliding connection of shell has the installation box, the inner chamber bottom of installation box is provided with the mounting panel, the left and right sides swing joint of mounting panel has the brush box, the inner chamber swing joint of two brush boxes has the carbon brush body, one side swing joint of brush box has L shape fixed plate, the opposite side swing joint of brush box has the roof, the surface welding and the spring base of L shape fixed plate, the through wires hole has been seted up to the side of L shape fixed plate, the bottom fixedly connected with bottom plate of shell, the ventilation hole has been seted up to the left and right sides of shell and apron. The carbon brush of the direct current motor is convenient to install and maintain, has a good heat dissipation effect, and avoids overhigh temperature of the device.

It can dispel the heat to the device through the radiating fan that sets up, the inside heat of installation box passes through radiating fan and ventilation hole to be discharged, through radiating fan operation, can be with the inside quick discharge of heat of installation box for the radiating fan can be quick cool down to the inside of installation box, prevent under the long-time use of installation box, the inside temperature of installation box can be too high, the temperature too high can lead to the inside carbon brush subassembly of installation box to damage, the carbon brush can damage because of wearing and tearing after using one end time, consequently need regularly change, can be inconvenient for carrying out quick change to the carbon brush, consequently use inconveniently.

Disclosure of Invention

The utility model aims to provide a brush type direct current motor carbon brush for solving the problems in the background art.

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

the brush direct current motor carbon brush comprises a base with a shell component detachably arranged in the middle of the upper end face;

the utility model discloses a carbon brush body, including casing subassembly, mounting subassembly, the mounting subassembly includes semi-circular shaped plate of mounting panel is installed to inner edge face bottom structure, the up end of mounting panel is annular array and has seted up positioning groove, the structure installs the location slide shaft in the middle in the positioning groove, sliding fit installs the installation piece on the outer fringe face of location slide shaft, and the cover is equipped with the pressure-bearing spring of butt in installation piece one side on the one end outer fringe face of location slide shaft, one side that the pressure-bearing spring was kept away from to the installation piece can be dismantled to install the carbon brush body.

Further, the shell assembly comprises a round shell with an arc-shaped groove formed in the outer edge surface, wherein the arc-shaped groove is used for detachably installing a semicircular arc-shaped plate, a pull ring is arranged on the outer edge surface of the semicircular arc-shaped plate in a centered mode, and two ends of the pull ring are connected to the outer edge surface of the semicircular arc-shaped plate in a structure mode.

Further, the upper end face of the round shell is provided with a heat dissipation box in the middle, and the lower end face of the heat dissipation box is detachably connected with the round shell.

Further, an annular mounting groove is formed in the upper end face of the circular shell, and an annular filter screen I is fixedly mounted in the annular mounting groove.

Further, annular filter screens II are fixedly installed in the middle of the upper end face of the radiating box, and shaft holes for the shaft to extend out are formed in the circular shell, the radiating box and the mounting plate in the middle.

Further, the upper end face of the base is provided with fixing bolts in an annular array, and one end of each fixing bolt is screwed out of the base.

Compared with the prior art, the utility model has the following beneficial effects: the setting that benefits from base, semicircle arc, mounting panel, constant head tank, location sliding bearing, pressure-bearing spring, installation piece and carbon brush body sets up the constant head tank through being annular array to set up the location sliding axle in the constant head tank placed in middle, thereby make the installation piece can drive the carbon brush body and slide on the outer fringe face of constant head tank, through being annular array and setting up installation piece and carbon brush body, can select the switching by oneself as required after the carbon brush body friction is impaired, thereby realize the quick replacement to the carbon brush body, it is convenient to use, the practicality is strong.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the mounting assembly and housing assembly of the present utility model;

FIG. 3 is a cross-sectional view of the housing assembly of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a base; 2. a fixing bolt; 3. a mounting assembly; 301. a semicircular arc plate; 302. a pull ring; 303. a mounting plate; 304. a positioning groove; 305. positioning a sliding shaft; 306. a pressure-bearing spring; 307. a mounting block; 308. a carbon brush body; 4. a housing assembly; 401. a circular housing; 402. an annular filter screen I; 403. a heat dissipation box; 404. and an annular filter screen II.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1, fig. 2 and fig. 4, this brush direct current motor carbon brush, including the base 1 that up end placed in middle demountable installation has casing subassembly 4, demountable installation has installation component 3 in the casing subassembly 4, installation component 3 includes semicircle shaped plate 301 that mounting panel 303 was installed to inner fringe face bottom structure, positioning groove 304 has been seted up to the up end of mounting panel 303 in annular array, positioning slide 305 is installed to the structure placed in middle in positioning groove 304, sliding fit installs installation piece 307 on the outer fringe face of positioning slide 305, and the cover is equipped with the pressure-bearing spring 306 of butt in installation piece 307 one side on the outer fringe face of one end of positioning slide 305, one side that installation piece 307 kept away from pressure-bearing spring 306 demountable installation has carbon brush body 308, benefit from base 1, semicircle shaped plate 301, the mounting panel 303, positioning groove 304, positioning slide 305, pressure-bearing spring 306, installation piece 307 and carbon brush body's setting, set up positioning slide 305 in the middle through being annular array, thereby make carbon brush body 308 and positioning groove 304's outer fringe face sliding fit, thereby can drive carbon brush body 308 and the outer fringe face sliding on the side of positioning groove 304, realize that the carbon brush body 308 is convenient and quick change, thereby the practicality is convenient and easy to realize.

As shown in fig. 2, the housing assembly 4 includes a circular housing 401 with an arc groove on an outer edge surface for detachably mounting the semi-circular arc plate 301, a pull ring 302 is centrally disposed on the outer edge surface of the semi-circular arc plate 301, and two ends of the pull ring 302 are both configured to be connected to the outer edge surface of the semi-circular arc plate 301.

As shown in fig. 2 and 3, a heat dissipation box 403 is centrally disposed on an upper end surface of the circular housing 401, a lower end surface of the heat dissipation box 403 is detachably connected with the circular housing 401, an annular mounting groove is formed on the upper end surface of the circular housing 401, an annular filter screen one 402 is fixedly mounted in the annular mounting groove, an annular filter screen two 404 is fixedly mounted on the upper end surface of the heat dissipation box 403 in the middle, and shaft holes for a shaft to extend out are centrally formed in the circular housing 401, the heat dissipation box 403 and the mounting plate 303.

As shown in fig. 1, the upper end surface of the base 1 is provided with fixing bolts 2 in an annular array, and one end of each fixing bolt 2 is screwed out of the base 1.

Working principle: this brush direct current motor carbon brush, during the use, set up positioning groove 304 through being annular array, and set up location slide shaft 305 in positioning groove 304 placed in the middle, thereby make installation piece 307 can drive carbon brush body 308 and positioning groove 304's outer fringe face and go up to slide, through being annular array and set up installation piece 307 and carbon brush body 308, can select the switching by oneself as required after carbon brush body 308 friction is impaired, and the heat that produces in the circular casing 401 in the course of the work accessible annular filter screen one 402 and annular filter screen two 404 are given off, and realize the filtration to dust in the outside air through annular filter screen two 404 and annular filter screen one 402, thereby help guaranteeing good temperature environment in the circular casing 401, this brush direct current motor carbon brush, and is rational in infrastructure, the quick switch of realization of being convenient for, the carbon brush practicality is strong.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The brush direct current motor carbon brush comprises a base (1) with a shell component (4) detachably arranged at the center of the upper end surface;

the method is characterized in that: install installation component (3) in casing subassembly (4) demountable installation, installation component (3) are including interior marginal face bottom structure installation semicircular arc board (301) of mounting panel (303), locating groove (304) have been seted up to the up end of mounting panel (303) in annular array, location slide shaft (305) are installed to the structure placed in the middle in locating groove (304), installation piece (307) are installed to sliding fit on the outer fringe face of location slide shaft (305), and the cover is equipped with pressure-bearing spring (306) butt in installation piece (307) one side on the outer fringe face of one end of location slide shaft (305), one side demountable installation carbon brush body (308) of keeping away from pressure-bearing spring (306) installation piece (307).

2. The brush-fed dc motor carbon brush of claim 1, wherein: the shell assembly (4) comprises a circular shell (401) with an arc-shaped groove for detachably mounting the semicircular arc-shaped plate (301) arranged on the outer edge surface, a pull ring (302) is arranged on the outer edge surface of the semicircular arc-shaped plate (301) in a centering mode, and two ends of the pull ring (302) are connected to the outer edge surface of the semicircular arc-shaped plate (301) in a structure mode.

3. The brush-fed dc motor carbon brush of claim 2, wherein: the upper end face of the circular shell (401) is provided with a heat dissipation box (403) in the middle, and the lower end face of the heat dissipation box (403) is detachably connected with the circular shell (401).

4. The brush-fed dc motor carbon brush according to claim 3, wherein: an annular mounting groove is formed in the upper end face of the circular shell (401), and an annular filter screen I (402) is fixedly mounted in the annular mounting groove.

5. The brush-fed dc motor carbon brush according to claim 3, wherein: the upper end face of the radiating box (403) is fixedly provided with a second annular filter screen (404) in the middle, and shaft holes for the shaft to extend out are formed in the circular shell (401), the radiating box (403) and the mounting plate (303) in the middle.

6. The brush-fed dc motor carbon brush of claim 1, wherein: the upper end face of the base (1) is provided with fixing bolts (2) in an annular array, and one end of each fixing bolt (2) is screwed out of the base (1) in a spiral mode.