CN215225386U - Micromotor rotor cleaning brush - Google Patents

Abstract

The utility model relates to a micromotor manufacturing technology field provides a micromotor rotor cleaning brush, including mounting panel, motor and brush-holder stud, the motor is fixed to be located mounting panel one side, and the brush-holder stud rotates and locates mounting panel opposite side and brush-holder stud circumference evenly distributed and have three, but they rotate under motor drive in step. The utility model discloses the brush-holder stud of three circumference evenly distributed who sets up passes through motor drive and rotates, can clean the recess on the internal surface between per two rotor cores fast, and is clean efficient.

Description

Micromotor rotor cleaning brush

Technical Field

The utility model relates to a micromotor manufacturing technology field, concretely relates to micromotor rotor cleaning brush.

Background

Micromotors, collectively called "micromotors", refer to motors having a diameter of less than 160mm or a nominal power of less than 750 mW. The micro-motor is commonly used in a control system or a transmission mechanical load and is used for realizing the functions of detecting, analyzing, operating, amplifying, executing or converting electromechanical signals or energy and the like.

The micromotor rotor is formed by three rotor cores which are uniformly distributed on the circumference and have a T-shaped structure when viewed from the axial direction, and a plurality of grooves which are vertical to the axial direction of the rotor are processed on the arc outer surface of each rotor core and the inner surface between every two rotor cores. Before the micro-motor rotor is wound, the rotor needs to be cleaned to remove dregs or dust adhered in the grooves. And nowadays to micromotor rotor's cleanness, mostly manual adoption brush edulcoration of manual work, but when the recess on the internal surface between every two rotor core of cleaning, manual work is clean very inconvenient, and clean effect is poor, inefficiency moreover.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a micromotor rotor cleaning brush to it is very inconvenient when solving the recess on the internal surface between every two rotor cores of artifical manual cleaning among the prior art, clean effect is poor, the problem of inefficiency moreover.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a micromotor rotor cleaning brush comprising:

mounting a plate;

the motor is fixedly arranged on one side of the mounting plate; and

the brush rod is rotatably arranged on the other side of the mounting plate;

wherein, three brush-rod circumference evenly distributed have three, and they can synchronous rotation under the motor drive.

Optionally, the output end of the motor penetrates through a through hole formed in the middle of the mounting plate and then is connected with a driving gear;

and one end of each brush rod is connected with a driven gear which is meshed with the driving gear, and the driven gear is rotationally connected with the mounting plate.

Optionally, the driving gear has a diameter greater than the driven gear and their transmission ratio is 1: 1.5 to 2.

Optionally, each brush rod is provided with a plurality of first bristles and second bristles which are uniformly distributed along the circumferential surface of the brush rod, and the first bristles and the second bristles are arranged in a staggered manner.

Optionally, the first bristles are longer than the second bristles, the first bristles being of a finer diameter and being softer in texture, and the second bristles being of a coarser diameter and being harder in texture.

Optionally, one end of each brush rod connected with the driven gear is a stud, and the stud is in threaded connection with a threaded hole formed in the middle of the driven gear.

Optionally, the mounting plate is provided with three shaft holes uniformly distributed around the circumference of the through hole in the middle;

the side face, back to the brush rod, of the driven gear is provided with a rotating shaft, and the rotating shaft is rotatably connected with the shaft hole.

Optionally, a clamping groove is formed in the rotating shaft, and the driven gear is clamped into the clamping groove through a clamping spring after the rotating shaft rotates to penetrate through the shaft hole and is positioned on the mounting plate.

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

1. the three brush rods which are uniformly distributed on the circumference are driven by the motor to rotate, so that the grooves on the inner surface between every two rotor cores can be quickly cleaned, and the cleaning efficiency is high;

2. the transmission ratio of the driving gear to the driven gear is 1: 1.5-2, namely, the brush rod rotates at high speed by the mutual meshing of the driving gear and the driven gear, so that the cleaning of dregs or dust in the groove can be completed at a higher speed, and the cleaning efficiency is further improved;

3. the first bristles and the second bristles which are arranged in a staggered mode can complement each other, when the brush rod rotates, the grooves in the inner surface between every two rotor iron cores can be fully cleaned, and the cleaning effect is good;

4. the brush rod is detachably connected with the driven gear through the stud at one end, and after the first bristles and the second bristles are worn and damaged, the brush rod is convenient to replace and maintain.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention at another angle;

FIG. 3 is a perspective view of the driven gear;

fig. 4 is a schematic perspective view of the brush bar.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-4, the utility model provides a micromotor rotor cleaning brush, include:

a mounting plate 100;

a motor 200 fixedly provided on one side of the mounting plate 100; and

a brush bar 300 rotatably provided at the other side of the mounting plate 100;

wherein, three brush rods 300 are evenly distributed on the circumference, and can synchronously rotate under the driving of the motor 200.

Specifically, the output end of the motor 200 is connected with a driving gear 400 after passing through a through hole formed in the middle of the mounting plate 100; one end of each brush bar 300 is connected with a driven gear 500 engaged with the driving gear 400, and the driven gear 500 is rotatably connected with the mounting plate 100. During operation, firstly, the micromotor rotor to be cleaned is fixed through a fixture tool, the area between every two rotor cores is aligned to the brush rod 300, then the motor 200 is started, power is transmitted to the brush rod 300 through the mutual meshing of the driving gear 400 and the driven gear 500, the three brush rods 300 synchronously rotate, and finally the cleaning brush axially moves towards the rotor, so that the rotating brush rod 300 extends into the area between every two rotor cores, and the grooves on the inner surface of the area are cleaned to remove dregs or dust adhered in the grooves. Namely, the three brush rods 300 which are uniformly distributed on the circumference are driven by the motor 200 to rotate, so that the grooves on the inner surface between every two rotor cores can be quickly cleaned, and the cleaning efficiency is high.

In the present embodiment, the driving gear 400 has a diameter larger than that of the driven gear 500, and their transmission ratio is 1: 1.5 to 2. That is, the driving gear 400 and the driven gear 500 are engaged with each other, the brush bar 300 is accelerated to rotate, the speed is high, the cleaning of the dregs or the dust in the groove can be completed more quickly, and the cleaning efficiency is further improved.

Referring to fig. 4, each brush bar 300 is provided with a plurality of first bristles 310 and second bristles 320 uniformly distributed along the circumferential surface thereof, and the first bristles 310 and the second bristles 320 are arranged in a staggered manner. The first brush bristles 310 and the second brush bristles 320 which are arranged in a staggered mode can complement each other, so that when the brush bar 300 rotates, grooves on the inner surface between every two rotor iron cores can be fully cleaned, and the cleaning effect is good.

To further enhance the cleaning effect of the dirt or dust in the groove, the first bristles 310 are longer than the second bristles 320, the first bristles 310 being of a finer diameter and softer in texture and the second bristles 320 being of a coarser diameter and harder in texture.

The end of each brush bar 300 connected with the driven gear 500 is a stud 330, and the stud 330 is in threaded connection with a threaded hole formed in the middle of the driven gear 500. That is, the brush bar 300 is detachably connected to the driven gear 500 through the stud 330 at one end, so that the brush bar 300 can be replaced easily after the first bristles 310 and the second bristles 320 are worn and damaged.

The mounting plate 100 is provided with three shaft holes which are uniformly distributed around the circumference of the through hole in the middle; a rotating shaft 510 is arranged on one side surface of the driven gear 500 back to the brush bar 300, and the rotating shaft 510 is rotatably connected with the shaft hole.

In order to prevent the driven gear 500 from moving axially when rotating, as shown in fig. 3, a locking groove 511 is formed on the rotating shaft 510, and the driven gear 500 is locked into the locking groove 511 and positioned on the mounting plate 100 by a locking spring (not shown) after the rotating shaft 510 rotates through the shaft hole.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims (8)

1. A micromotor rotor cleaning brush comprising:

mounting a plate;

the motor is fixedly arranged on one side of the mounting plate; and

the brush rod is rotatably arranged on the other side of the mounting plate;

wherein, three brush-rod circumference evenly distributed have three, and they can synchronous rotation under the motor drive.

2. The micromotor rotor cleaning brush of claim 1, wherein:

the output end of the motor penetrates through a through hole formed in the middle of the mounting plate and then is connected with a driving gear;

and one end of each brush rod is connected with a driven gear which is meshed with the driving gear, and the driven gear is rotationally connected with the mounting plate.

3. The micromotor rotor cleaning brush of claim 2 wherein said drive gear has a diameter greater than a diameter of said driven gear and has a gear ratio of 1: 1.5 to 2.

4. The cleaning brush for the rotor of the micro-motor according to any one of claims 1 to 3, wherein each brush bar is provided with a plurality of first bristles and second bristles which are uniformly distributed along the circumferential surface of the brush bar, and the first bristles and the second bristles are arranged in a staggered manner.

5. The micromotor rotor cleaning brush of claim 4 wherein said first bristles are longer than said second bristles, said first bristles being of a finer diameter and being softer in texture and said second bristles being of a coarser diameter and being harder in texture.

6. The micromotor rotor cleaning brush according to claim 2, wherein one end of each brush rod connected with the driven gear is a stud, and the stud is in threaded connection with a threaded hole formed in the middle of the driven gear.

7. The micromotor rotor cleaning brush according to claim 2 or 6, characterized in that:

the mounting plate is provided with three shaft holes which are uniformly distributed around the circumference of the through hole in the middle;

the side face, back to the brush rod, of the driven gear is provided with a rotating shaft, and the rotating shaft is rotatably connected with the shaft hole.

8. The micromotor rotor cleaning brush according to claim 7, wherein the rotating shaft is provided with a clamping groove, and the driven gear is clamped into the clamping groove through a clamping spring and positioned on the mounting plate after the rotating shaft rotates to pass through the shaft hole.

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