CN215378638U - Brush carrier of motor - Google Patents
Brush carrier of motor Download PDFInfo
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- CN215378638U CN215378638U CN202121687993.6U CN202121687993U CN215378638U CN 215378638 U CN215378638 U CN 215378638U CN 202121687993 U CN202121687993 U CN 202121687993U CN 215378638 U CN215378638 U CN 215378638U
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- brush
- brush holder
- electric brush
- electric
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Abstract
The utility model discloses an electric brush holder of a motor, which relates to the field of motors and comprises an electric brush holder body and electric brush supports which are detachably arranged on two sides of the electric brush holder body, wherein first mounting grooves which are radially arranged and used for slidably mounting the electric brush supports are arranged on two sides of the electric brush holder body, the electric brush supports are U-shaped with an opening on one side, a cover plate for sealing the opening of the electric brush supports is further arranged on the electric brush holder body, two side walls of each electric brush support are provided with concave parts for clamping electric brushes and limiting the vertical displacement of the electric brushes, the bottom walls of the electric brush supports are hollowed and extend downwards from the side walls to form elastic pieces, the positions of the first mounting grooves corresponding to the elastic pieces are also hollowed, and the lower surfaces of the elastic pieces are provided with positioning bosses. The utility model has the advantages of stable structure and convenient installation.
Description
Technical Field
The utility model relates to the field of motors, in particular to a brush holder of a motor.
Background
One of the important internal components of an electric motor is a brush holder, which is usually equipped with brush springs and by means of which a pressure is exerted on the carbon brushes in sliding contact with the commutator or slip ring surfaces, so that it conducts the current stably between the stator and the rotor of the electric motor. Because the rotor of the high-speed rotating motor can apply circumferential friction force to the carbon brush when contacting the carbon brush, the brush holder provided with the carbon brush needs to be firmly fixed so as to avoid moving; the existing brush carrier still has the possibility of generating circumferential displacement, which brings unstable factors to the running of the motor and even has the possibility of generating dangerous situations such as sparks and the like under the high-speed rotation of a rotor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the background art, the utility model provides the electric brush holder of the motor, which has a stable structure and is convenient to install.
The technical scheme adopted by the utility model is as follows: the utility model provides an electric brush holder of motor, its includes electric brush holder body and dismantled and assembled installation the brush holder of electric brush holder body both sides, electric brush holder body both sides are equipped with the first mounting groove of radial setting and the installation of sliding of power supply brush support, the brush holder is and has an open-ended U type, still install closing cap brush holder open-ended apron on the electric brush holder body, brush holder both sides wall is equipped with the depressed part of centre gripping brush and restriction brush displacement from top to bottom, the diapire fretwork of brush holder sets up and follows lateral wall downwardly extending flexible piece, the position that first mounting groove corresponds the flexure strip also is the fretwork setting, the lower surface of flexure strip is equipped with the location boss.
The cover plate is provided with a mounting plate for mounting the brush spring, and the mounting plate and the cover plate are integrally formed; the cover plate is provided with an open slot for moving one end of the brush spring in contact with the electric brush, and the open slot is arranged along the length direction of the cover plate.
The electric brush frame body is provided with a plurality of mounting holes at positions on two sides of the electric brush support, and the cover plate is provided with a plurality of mounting strips which are in plug-in fit with the mounting holes.
The electric brush support is provided with a plurality of groups of plug connectors facing the cover plate, and the cover plate is provided with a plurality of jacks matched with the plug connectors in a plug-in connection mode.
Every group the plug connector has two elasticity cutting that set up side by side to form.
The elastic cutting is provided with a lug boss in the shape of an inverted hook.
The utility model has the beneficial effects that: this technical scheme adopts the U type through the brush holder, and the depressed part of its both sides wall can be firmly the centre gripping brush, guarantees the firm installation of brush, and in addition, the location boss on the flexure strip of brush holder bottom can utilize elasticity automatic alignment, has simple to operate's advantage.
Drawings
Fig. 1 is a schematic structural view of a brush holder of a motor according to an embodiment of the present invention.
Fig. 2 is another angle structure diagram of the brush holder of the motor.
Fig. 3 is a schematic view of a brush holder structure.
Fig. 4 is a schematic bottom view of the brush holder.
Detailed Description
The embodiments of the utility model will be further described with reference to the accompanying drawings in which:
as shown in the figure, the brush holder of the motor comprises a brush holder body 1 and brush supports 2 which are detachably mounted on two sides of the brush holder body 1, wherein first mounting grooves 3 which are radially arranged and used for slidably mounting the brush supports 2 are formed in two sides of the brush holder body 1, the brush supports 2 are U-shaped with an opening on one side, a cover plate 4 for covering the opening of the brush supports 2 is further mounted on the brush holder body 1, recessed portions 23 which are used for clamping brushes and limiting the brushes to move up and down are formed in two side walls of the brush supports 2, elastic pieces 24 are arranged in a hollow manner in the bottom walls of the brush supports 2 and extend downwards from the side walls, the positions of the first mounting grooves 3 corresponding to the elastic pieces 24 are also arranged in a hollow manner, and positioning bosses 25 are arranged on the lower surfaces of the elastic pieces 24; this technical scheme adopts the U type through the brush holder, and the depressed part of its both sides wall can be firmly the centre gripping brush, guarantees the firm installation of brush, and in addition, the location boss on the flexure strip of brush holder bottom can utilize elasticity automatic alignment, has simple to operate's advantage.
The cover plate 4 is provided with a mounting plate 5 for mounting the brush spring, and the mounting plate 5 and the cover plate 4 are integrally formed; an open slot 41 for moving one end of the brush spring in contact with the electric brush is arranged on the cover plate 4, and the open slot 41 is arranged along the length direction of the cover plate 4; the cover plate is installed at the opening position of the electric brush support through the insertion and matching, so that the electric brush support can be better at any time conveniently and has the advantage of convenience in disassembly and assembly.
The electric brush frame body 1 is provided with a plurality of mounting holes 6 at positions positioned at two sides of the electric brush support 2, and the cover plate 4 is provided with a plurality of mounting strips 42 which are in splicing fit with the mounting holes 6; the mounting bar inserts in the mounting hole, and the mounting bar in this embodiment is 3 per side, and mounting structure is very firm.
The electric brush support 2 is provided with a plurality of groups of plug connectors facing the cover plate 4, and the cover plate 4 is provided with a plurality of jacks 43 which are matched with the plug connectors in a plugging manner; each group of the plug connectors consists of two elastic inserting strips 21 arranged side by side; the elastic inserting strip 21 is provided with a barb-shaped boss 22; the jack corresponds with the elasticity cutting, inserts the back at the elasticity cutting, and the boss of both sides forms the snap-fit with the jack at once, prevents to break away from, effectively guarantees the installation stability of brush in the brush-holder.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to the above embodiments, and any modifications using the inventive concept are intended to be included within the scope of the appended claims.
Claims (6)
1. A brush holder for an electric motor, characterized in that: it includes brush yoke body (1) and dismantled and assembled installation brush holder (2) of brush yoke body (1) both sides, brush yoke body (1) both sides are equipped with radial setting and supply brush holder (2) first mounting groove (3) of installation that slides, brush holder (2) are the U type that has an open-ended, still install closing cap brush holder (2) open-ended apron (4) on brush yoke body (1), brush holder (2) both sides wall is equipped with centre gripping brush and restriction brush recess (23) of displacement from top to bottom, the diapire fretwork of brush holder (2) sets up and follows lateral wall downwardly extending elastic piece (24), the position that first mounting groove (3) correspond elastic piece (24) also is the fretwork setting, the lower surface of elastic piece (24) is equipped with location boss (25).
2. A brush holder for an electric motor according to claim 1, wherein: the cover plate (4) is provided with a mounting plate (5) for mounting the brush spring, and the mounting plate (5) and the cover plate (4) are integrally formed; the brush is characterized in that an open slot (41) for enabling one end, in contact with the electric brush, of the brush spring to move is formed in the cover plate (4), and the open slot (41) is formed in the length direction of the cover plate (4).
3. A brush holder for an electric motor according to claim 1, wherein: the electric brush frame body (1) is provided with a plurality of mounting holes (6) at positions on two sides of the electric brush support (2), and the cover plate (4) is provided with a plurality of mounting bars (42) which are in plug-in fit with the mounting holes (6).
4. A brush holder for an electric motor according to claim 1, wherein: brush holder (2) are equipped with the plug connector of a plurality of groups orientation apron (4), be equipped with on apron (4) a plurality of with plug connector grafting complex jack (43).
5. The brush holder for an electric motor according to claim 4, wherein: each group of the plug connectors are composed of two elastic inserting strips (21) which are arranged side by side.
6. The brush holder for an electric motor according to claim 5, wherein: the elastic cutting (21) is provided with a reverse-hook-shaped boss (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121687993.6U CN215378638U (en) | 2021-07-23 | 2021-07-23 | Brush carrier of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121687993.6U CN215378638U (en) | 2021-07-23 | 2021-07-23 | Brush carrier of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215378638U true CN215378638U (en) | 2021-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121687993.6U Active CN215378638U (en) | 2021-07-23 | 2021-07-23 | Brush carrier of motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN215378638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649735A (en) * | 2019-09-24 | 2020-01-03 | 浙江联大科技有限公司 | Make things convenient for motor support structure of shutter motor installation |
| CN117060632A (en) * | 2023-10-08 | 2023-11-14 | 中国船舶集团有限公司第七〇七研究所 | Brush structure for an electric machine |
-
2021
- 2021-07-23 CN CN202121687993.6U patent/CN215378638U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649735A (en) * | 2019-09-24 | 2020-01-03 | 浙江联大科技有限公司 | Make things convenient for motor support structure of shutter motor installation |
| CN117060632A (en) * | 2023-10-08 | 2023-11-14 | 中国船舶集团有限公司第七〇七研究所 | Brush structure for an electric machine |
| CN117060632B (en) * | 2023-10-08 | 2023-12-19 | 中国船舶集团有限公司第七〇七研究所 | Brush structure for an electric machine |
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