CN216721111U

CN216721111U - High-frequency vibration micromotor with good sealing structure

Info

Publication number: CN216721111U
Application number: CN202122447929.7U
Authority: CN
Inventors: 谭双双
Original assignee: Guangdong Zhongbai Electric Appliance Co ltd
Current assignee: Guangdong Zhongbai Electric Appliance Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-06-10
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a high-frequency vibration micromotor with a good sealing structure, which comprises a shell, an output shaft and a rotor winding, wherein an electric telescopic rod is fixedly connected to the right side of the top of the inner wall of the shell, a friction plate is arranged at one end of the output shaft of the electric telescopic rod through a noise reduction mechanism, the noise reduction mechanism comprises an arc-shaped steel sheet, the bottom of the arc-shaped steel sheet is fixedly connected with the top of the friction plate, and a cavity is formed in the arc-shaped steel sheet. This little motor of high-frequency vibration that seal structure is good, when braking the output shaft through the friction disc, the noise that the friction produced conducts to soundproof cotton through the biography sound hole, and the soundproof cotton below is the wave shape, and reinforcing noise reduction effect, the inside elastic mechanism of soundproof cotton will receive the impact force and absorb, weakens the noise that transmits, and the cooperation sound absorbing layer fully absorbs the noise to the noise, thereby the noise that produces when having reduced the braking, noise reduction is to external interference.

Description

High-frequency vibration micromotor with good sealing structure

Technical Field

The utility model relates to the technical field of motors, in particular to a high-frequency vibration micromotor with a good sealing structure.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, and mainly has the function of generating driving torque as a power source of electrical appliances or various machines, the micro motor is called a micro motor in a whole, and is a motor with the diameter of less than 160mm or the rated power of less than 750mW, 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 micro motor is various in types and can be roughly divided into thirteen types such as a direct current motor, an alternating current motor, a self-state angle motor, a stepping motor, a rotary transformer, an axial angle encoder, an alternating current and direct current dual-purpose motor, a speed measurement generator, an induction synchronizer, a linear motor, a piezoelectric motor, a motor unit and other special motors.

When the high-frequency vibration micromotor stops working, because the frequency of the micromotor is too fast, the output shaft of the micromotor still rotates for a period of time under the inertia power, so that the friction plate is usually arranged to brake the output shaft, and when the friction plate brakes, larger noise can be generated to interfere the external environment.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the high-frequency vibration micromotor with a good sealing structure, and solves the problem that when an output shaft is braked through a friction plate, larger noise is generated to cause interference to the external environment.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a little motor of high-frequency vibration that seal structure is good, includes shell, output shaft and rotor winding, the right side fixedly connected with electric telescopic handle at shell inner wall top, and the one end of electric telescopic handle output shaft is provided with the friction disc through falling the mechanism of making an uproar.

The noise reduction mechanism comprises an arc-shaped steel sheet, the bottom of the arc-shaped steel sheet is fixedly connected with the top of a friction plate, a cavity is formed in the arc-shaped steel sheet, sound insulation cotton is fixedly connected to the bottom of the inner wall of the cavity, a sound absorption layer is bonded to the top of the sound insulation cotton through an adhesive, a rubber tube is fixedly connected to the inner wall of the sound insulation cotton, a spring is fixedly connected to the inner wall of the rubber tube, the one end of the spring, which is far away from the inner wall of the rubber tube, of the sponge is fixedly connected to the bottom of the sound absorption layer, the bottom of the sound insulation cotton is arranged in a wave shape, one side, which is far away from the sound insulation cotton, of the sound absorption layer is bonded to the top of the inner wall of the cavity, and a sound transmission hole is formed in the bottom of the arc-shaped steel sheet.

Preferably, the bottom of the friction plate is in contact with the top of the surface of the output shaft, and the left side of the inner wall of the outer shell is rotatably connected with the left end of the output shaft.

Preferably, the right end of the output shaft penetrates through the housing and extends to the outside of the housing, and a sealing ring is fixedly connected to the right side of the surface of the output shaft.

Preferably, the right side of the sealing ring is fixedly connected with an extension part, and the left side of the extension part is movably connected with the right side of the shell.

Preferably, the surface of the output shaft is fixedly connected with the inner wall of the rotor winding, and the surface of the rotor winding is fixedly connected with the iron core.

Preferably, a stator winding is arranged between the top and the bottom of the inner wall of the shell, the bottom of the shell is fixedly connected with a damping seat, and the bottom of the damping seat is fixedly connected with a mounting plate.

Advantageous effects

The utility model provides a high-frequency vibration micromotor with a good sealing structure. Compared with the prior art, the method has the following beneficial effects:

(1) this little motor of high-frequency vibration that seal structure is good, one end through the electric telescopic handle output shaft is provided with the friction disc through falling the mechanism of making an uproar, when braking the output shaft through the friction disc, the noise that the friction produced is conducted to soundproof cotton through the biography sound hole, the soundproof cotton below is the wave shape, reinforcing noise reduction effect, the inside elastic mechanism of soundproof cotton will receive the impact force and absorb, weaken the noise that transmits, the cooperation sound absorbing layer fully absorbs the noise, thereby the noise that produces when having reduced the braking, noise reduction is to external interference.

(2) This little motor of high-frequency vibration that seal structure is good, right side fixedly connected with electric telescopic handle through shell inner wall top, and the one end of electric telescopic handle output shaft is provided with the friction disc through making an uproar mechanism of falling, the right side fixedly connected with sealing washer on output shaft surface, the right side fixedly connected with extension of sealing washer, through starting electric telescopic handle, it is close to the output shaft to drive the friction disc, brake the output shaft, make its stall immediately, the energy saving, the setting of sealing washer and extension simultaneously, make the leakproofness of output port better, prevent outside dust, the invasion of steam.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a side cross-sectional view of an arcuate steel sheet structure of the present invention;

FIG. 4 is a cross-sectional view of an acoustic cotton construction of the present invention;

fig. 5 is a partial enlarged view of the utility model at a in fig. 4.

In the figure: the device comprises a shell 1, an output shaft 2, a rotor winding 3, an electric telescopic rod 4, a noise reduction mechanism 5, an arc steel sheet 51, a cavity 52, soundproof cotton 53, a sound absorption layer 54, a rubber tube 55, a spring 56, a sponge 57, a sound transmission hole 58, a friction sheet 6, a sealing ring 7, an extension part 8, an iron core 9, a stator winding 10, a damping seat 11 and a mounting plate 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a little motor of high-frequency vibration that seal structure is good, includes shell 1, output shaft 2 and rotor winding 3, the right side fixedly connected with electric telescopic handle 4 at 1 inner wall top of shell, electric telescopic handle 4 controls through external control mechanism to be connected with external power source through the wire, and the one end of electric telescopic handle 4 output shaft is provided with friction disc 6 through making an uproar 5 of falling.

The noise reduction mechanism 5 comprises an arc-shaped steel sheet 51, the bottom of the arc-shaped steel sheet 51 is fixedly connected with the top of a friction plate 6, a cavity 52 is formed in the arc-shaped steel sheet 51, soundproof cotton 53 is fixedly connected to the bottom of the inner wall of the cavity 52, a sound absorption layer 54 is adhered to the top of the soundproof cotton 53 through an adhesive, the sound absorption layer 54 is made of a glass fiber material, the sound absorption effect is good, a rubber tube 55 is fixedly connected to the inner wall of the soundproof cotton 53, a plurality of rubber tubes 55 are uniformly distributed in the soundproof cotton 53, a spring 56 is fixedly connected to the inner wall of the rubber tube 55, a sponge body 57 is fixedly connected to one end, far away from the inner wall of the rubber tube 55, of the spring 56, the bottom of the soundproof cotton 53 is wave-shaped, the noise reduction effect is enhanced, one side, far away from the soundproof cotton 53, of the sound absorption layer 54 is adhered to the top of the inner wall of the cavity 52, a sound transmission hole 58 is formed in the bottom of the arc-shaped steel sheet 51, the sound transmission hole 58 is provided with a plurality of sound transmission holes, the uniform part is at the bottom of the arc steel piece 51.

The bottom of the friction plate 6 is contacted with the top of the surface of the output shaft 2, the friction plate 6 is movably contacted with the output shaft 2, the left side of the inner wall of the shell 1 is rotatably connected with the left end of the output shaft 2, the right end of the output shaft 2 penetrates through the shell 1 and extends to the outside of the shell 1, the right side of the surface of the output shaft 2 is fixedly connected with a sealing ring 7, the right side of the sealing ring 7 is fixedly connected with an extending part 8, the sealing ring 7 and the extending part 8 are arranged, so that the sealing performance of an output port is better, external dust and water vapor are prevented from invading, the left side of the extending part 8 is movably connected with the right side of the shell 1, the surface of the output shaft 2 is fixedly connected with the inner wall of the rotor winding 3, the surface of the rotor winding 3 is fixedly connected with an iron core 9, a stator winding 10 is arranged between the top and the bottom of the inner wall of the shell 1, the bottom of the shell 1 is fixedly connected with a damping seat 11, and the damping seat 11 is made of hard rubber, and the bottom of the shock absorption seat 11 is fixedly connected with a mounting plate 12, and the parts which are not involved in the device are the same as or can be realized by adopting the prior art.

During the use, when output shaft 2 stop work, start electric telescopic handle 4, drive friction disc 6 downstream, friction disc 6 and output shaft 2 surface contact, brake output shaft 2, make its stall immediately, the noise that produces during the braking is conducted to soundproof cotton 53 through sound transmission hole 58, soundproof cotton 53 below is the wave shape, the effect of noise reduction is strengthened, the vibrations that the noise produced simultaneously make rubber tube 55 receive the impact, spring 56 and cavernosum 57 in the rubber tube 55 absorb vibrations, thereby weaken the propagation of noise, the sound absorbing layer 54 behind the soundproof cotton 53 of deuterogamying fully absorbs the noise, the noise that produces when having reduced the braking, output shaft 2 and shell 1 junction are provided with sealing washer 7, sealing washer 7 side sets up extension 8 and shell 1 outer wall connection, increase the leakproofness, prevent outside dust and steam from getting into the motor.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a little motor of good high-frequency vibration of seal structure, includes shell (1), output shaft (2) and rotor winding (3), its characterized in that: an electric telescopic rod (4) is fixedly connected to the right side of the top of the inner wall of the shell (1), and a friction plate (6) is arranged at one end of an output shaft of the electric telescopic rod (4) through a noise reduction mechanism (5);

the noise reduction mechanism (5) comprises an arc-shaped steel sheet (51), the bottom of the arc-shaped steel sheet (51) is fixedly connected with the top of the friction plate (6), a cavity (52) is formed in the arc-shaped steel sheet (51), and the bottom of the inner wall of the cavity (52) is fixedly connected with soundproof cotton (53), the top of the soundproof cotton (53) is bonded with a sound absorption layer (54) through an adhesive, the inner wall of the soundproof cotton (53) is fixedly connected with a rubber pipe (55), and the inner wall of the rubber tube (55) is fixedly connected with a spring (56), one end of the spring (56) far away from the inner wall of the rubber tube (55) is fixedly connected with a sponge body (57), the bottom of the soundproof cotton (53) is set to be wave-shaped, one side, far away from the soundproof cotton (53), of the sound absorption layer (54) is bonded with the top of the inner wall of the cavity (52), and the bottom of the arc-shaped steel sheet (51) is provided with a sound transmission hole (58).

2. The high-frequency vibration micromotor with a sealed structure according to claim 1, wherein: the bottom of the friction plate (6) is in contact with the top of the surface of the output shaft (2), and the left side of the inner wall of the shell (1) is rotatably connected with the left end of the output shaft (2).

3. The high-frequency vibration micromotor with a sealed structure according to claim 1, wherein: the right end of the output shaft (2) penetrates through the shell (1) and extends to the outside of the shell (1), and a sealing ring (7) is fixedly connected to the right side of the surface of the output shaft (2).

4. A high-frequency vibration micromotor with a sealed structure according to claim 3, characterized in that: the right side of sealing washer (7) fixedly connected with extension (8), and the left side of extension (8) and the right side swing joint of shell (1).

5. The high-frequency vibration micromotor with a sealed structure according to claim 1, wherein: the surface of the output shaft (2) is fixedly connected with the inner wall of the rotor winding (3), and the surface of the rotor winding (3) is fixedly connected with an iron core (9).

6. The high-frequency vibration micromotor with a sealed structure according to claim 1, wherein: be provided with stator winding (10) between the top of shell (1) inner wall and the bottom, the bottom fixedly connected with shock attenuation seat (11) of shell (1), and the bottom fixedly connected with mounting panel (12) of shock attenuation seat (11).