CN212649210U - Miniature magnetic suspension toothbrush motor - Google Patents

Abstract

The utility model discloses a miniature magnetic suspension toothbrush motor, include: the motor comprises a motor shell, wherein a rotor and a stator for changing magnetic pole changes of a magnetic field are arranged inside the motor shell; the stator comprises an iron core rubber coating, an iron core, a copper wire winding and an insulating tape. A miniature magnetic suspension toothbrush motor, constantly change through the direction of current changes U type silicon steel sheet both sides magnetic field N utmost point and S utmost point constantly and changes, thereby make the permanent looks of the magnet magnetic field of U type silicon steel sheet magnetic field and rotor inhale with repel and make electric motor rotor produce reciprocating type high frequency beat formula vibrations, the frequency height and the duty cycle adjustment shock intensity and the swing frequency of adjustable input voltage and alternating current, and the magnet of rotor suspends in U type silicon steel sheet during the use, the electric current that needs the use is little, it is more energy-conserving, the vibration is felt strong, the magnet of rotor does not contact with the casing, make motor life-span durable lastingly, stable performance, efficient and the noise is low, bring better use prospect.

Description

Miniature magnetic suspension toothbrush motor

Technical Field

The utility model relates to the field of motors, in particular to miniature magnetic suspension toothbrush motor.

Background

Along with the development of society, the living standard of people is continuously improved, the living of people is ever more and more, and the people are more and more intelligent, wherein, the electric toothbrush is provided with a plurality of structures inside, and the most important is a toothbrush motor inside the electric toothbrush;

the existing toothbrush motor has certain defects when in use, the electric toothbrush motor of the existing toothbrush motor has large current and fast heating, so that the motor has short service life and is not energy-saving when in use, the swing of a rotor inside the motor can be contacted with a shell when in use, the generated noise is large, and the use requirements of people are not met, therefore, the miniature magnetic suspension toothbrush motor is provided.

SUMMERY OF THE UTILITY MODEL

A main object of the present invention is to provide a miniature magnetic suspension toothbrush motor, which can effectively solve the problems in the background art.

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

a miniature magnetic suspension toothbrush motor, comprising: the motor comprises a motor shell, wherein a rotor and a stator for changing magnetic pole changes of a magnetic field are arranged inside the motor shell;

the stator comprises an iron core rubber coating, an iron core, a copper wire winding and an insulating adhesive tape, the copper wire winding is wound on the iron core, the insulating adhesive tape is arranged on the outer surface of the copper wire winding, the iron core is clamped in the iron core rubber coating, and the rotor is arranged in the iron core.

Preferably, the rotor comprises an axis encapsulation, magnets and iron sheets, the number of the iron sheets is two, the magnets are located inside the axis encapsulation, and the two groups of the iron sheets are respectively clamped at the upper end and the lower end of the axis encapsulation.

Preferably, the motor shell comprises a front end cover and a rear end cover, the front end cover is clamped at one end of the iron core rubber coating, the rear end cover is installed at one end, far away from the front end cover, of the iron core rubber coating through screws, an output device is arranged on the front end cover, and a connecting mechanism is arranged on the rear end cover.

Preferably, the connecting mechanism comprises a vibrator fixing piece and an elastic piece, the rear end cover is provided with an installation groove, the vibrator fixing piece is arranged in the installation groove, and one end of the elastic piece is connected with the vibrator fixing piece.

Preferably, the iron core includes a plurality of groups of U type silicon steel sheets that stack together, be provided with two sets of copper lines on the copper line winding, two sets of copper line bayonets have been seted up to the lower extreme surface of rear end cover, the copper line bayonet socket is passed to the one end of copper line.

Preferably, the output device comprises an output shaft, a bearing is arranged on the front end cover, and one end of the output shaft penetrates through the front end cover and the bearing and is connected with one end of the axle center rubber coating.

Compared with the prior art, the utility model provides a miniature magnetic suspension toothbrush motor has following beneficial effect:

the motor inputs high-frequency alternating current, change the permanent change of magnetic field N utmost point and S utmost point in U type blade of silicon steel both sides through the continuous change of current direction, the magnet N utmost point and the S utmost point direction of rotor can not change, thereby the permanent looks of magnetic field of U type blade of silicon steel is continuous to be inhaled and is repelled with the magnet magnetic field of rotor and makes the motor rotor produce reciprocating type high frequency beat formula vibrations, adjustable input voltage and alternating current 'S frequency height and duty ratio adjust intensity of vibrations and swing frequency during the use, and the magnet of rotor suspends in U type blade of silicon steel during the use, the electric current that the use needs is little, it is more energy-conserving, the vibration is felt strong, the magnet of rotor does not contact with the casing simultaneously, make motor life lasting durable, stable performance, high efficiency, the noise is low, and whole miniature magnetic suspension toothbrush motor' S simple structure.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic view of the overall structure of a micro magnetic suspension toothbrush motor of the present invention;

FIG. 2 is a bottom view of the magnetic suspension toothbrush motor of the present invention;

fig. 3 is an exploded view of a micro magnetic suspension toothbrush motor of the present invention.

In the figure: 1. encapsulating the iron core; 2. an iron core; 3. a copper wire winding; 4. an insulating tape; 5. coating the axis with rubber; 6. a magnet; 7. iron sheets; 8. a front end cover; 9. a rear end cap; 10. a vibrator fixing member; 11. a spring plate; 12. an output shaft; 13. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A miniature magnetic suspension toothbrush motor, as shown in fig. 1-3, comprising: the motor comprises a motor shell, wherein a rotor and a stator for changing the magnetic pole change of a magnetic field are arranged inside the motor shell;

the stator includes iron core rubber coating 1, iron core 2, copper wire winding 3 and insulating adhesive tape 4, and copper wire winding 3 convolutes on iron core 2, and insulating adhesive tape 4 sets up the surface at copper wire winding 3, and 2 joints of iron core are in the inside of iron core rubber coating 1, and the rotor setting is inside iron core 2.

The rotor includes axle center rubber coating 5, magnet 6 and iron sheet 7, and the quantity of iron sheet 7 is two sets of, and magnet 6 is located axle center rubber coating 5 inside, and two sets of iron sheets 7 joint respectively is in the upper end and the lower extreme of axle center rubber coating 5.

Motor casing includes front end housing 8 and rear end housing 9, and 8 joints of front end housing are in the one end of iron core rubber coating 1, and rear end housing 9 passes through the screw to be installed in the one end that front end housing 8 was kept away from to iron core rubber coating 1, is provided with output device on the front end housing 8, is provided with coupling mechanism on the rear end housing 9.

The connecting mechanism comprises a vibrator fixing piece 10 and an elastic piece 11, a mounting groove is formed in the rear end cover 9, the vibrator fixing piece 10 is arranged in the mounting groove, and one end of the elastic piece 11 is connected with the vibrator fixing piece 10.

The iron core 2 is provided with two sets of copper lines including a plurality of groups of U type silicon steel sheets that pile together on the copper line winding 3, and two sets of copper line bayonets have been seted up to the lower extreme surface of rear end cover 9, and the copper line bayonet socket is passed to the one end of copper line.

The output device comprises an output shaft 12, a bearing 13 is arranged on the front end cover 8, and one end of the output shaft 12 penetrates through the front end cover 8 and the bearing 13 and is connected with one end of the axis encapsulation 5.

It should be noted that, the utility model relates to a micro magnetic suspension toothbrush motor, the stator of the motor is encapsulated on a group of U-shaped silicon steel sheets for insulation treatment, then a copper wire winding 3 is carried out in the U-shaped silicon steel sheet groove, two ends of the copper wire winding are blocked at two copper wire bayonets corresponding to the motor rear end cover 9 and are led out; a bearing 13 is arranged in a bearing position on the front end cover 8, and the slot position of the front end cover 8 is matched with the iron core rubber coating 1 of the stator and is fixed by glue; the rotor of the motor is formed by wrapping an output shaft 12 and an elastic sheet 11 together by using plastic through a rubber coating process, and then installing a magnet 6 and two iron sheets 7 at corresponding positions; after a rotor is assembled on a motor rear end cover 9, a bearing 13 is arranged on a motor front end cover 8, and after the rotor is assembled in place, the motor rear end cover 9 is fixed on an axis encapsulation 5 by two screws, namely a finished motor is assembled;

when the miniature magnetic suspension toothbrush motor is used, high-frequency alternating current is input into the motor, the N pole and the S pole of magnetic fields on two sides of the U-shaped silicon steel sheet are changed continuously through the continuous change of the current direction, the N pole and the S pole of the rotor magnet 6 cannot be changed, the U-shaped silicon steel sheet magnetic field and the magnetic field of the rotor magnet 6 cannot attract and repel each other continuously, so that the motor rotor generates reciprocating high-frequency swing type vibration, the frequency and duty ratio of input voltage and alternating current can be adjusted to adjust vibration intensity and swing frequency during use, the rotor magnet 6 is suspended in the U-shaped silicon steel sheet during use, the current required by use is small, energy is saved, vibration sense is strong, and meanwhile, the magnet 6 of the rotor is not in contact with a shell, so that the miniature magnetic suspension toothbrush motor is durable in service life, stable in performance, high in efficiency and low in.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A miniature magnetic suspension toothbrush motor, characterized by comprising: the motor comprises a motor shell, wherein a rotor and a stator for changing magnetic pole changes of a magnetic field are arranged inside the motor shell;

the stator comprises an iron core rubber coating (1), an iron core (2), a copper wire winding (3) and an insulating adhesive tape (4), the copper wire winding (3) is wound on the iron core (2), the insulating adhesive tape (4) is arranged on the outer surface of the copper wire winding (3), the iron core (2) is clamped in the iron core rubber coating (1), and the rotor is arranged in the iron core (2).

2. The miniature magnetic suspension toothbrush motor of claim 1, wherein: the rotor includes axle center rubber coating (5), magnet (6) and iron sheet (7), the quantity of iron sheet (7) is two sets of, magnet (6) are located axle center rubber coating (5) inside, and are two sets of iron sheet (7) joint respectively is at the upper end and the lower extreme of axle center rubber coating (5).

3. The miniature magnetic suspension toothbrush motor of claim 2, wherein: the motor shell comprises a front end cover (8) and a rear end cover (9), wherein the front end cover (8) is connected to one end of the iron core rubber coating (1) in a clamped mode, the rear end cover (9) is installed at one end, far away from the front end cover (8), of the iron core rubber coating (1) through screws, an output device is arranged on the front end cover (8), and a connecting mechanism is arranged on the rear end cover (9).

4. The miniature magnetic suspension toothbrush motor of claim 3, wherein: the connecting mechanism comprises a vibrator fixing piece (10) and an elastic piece (11), a mounting groove is formed in the rear end cover (9), the vibrator fixing piece (10) is arranged in the mounting groove, and one end of the elastic piece (11) is connected with the vibrator fixing piece (10).

5. The miniature magnetic suspension toothbrush motor of claim 4, wherein: iron core (2) are including a plurality of groups U type silicon steel sheet that pile together, be provided with two sets of copper lines on copper line winding (3), two sets of copper line bayonets have been seted up to the lower extreme surface of rear end cap (9), copper line bayonet socket is passed to the one end of copper line.

6. The miniature magnetic suspension toothbrush motor of claim 3, wherein: the output device comprises an output shaft (12), a bearing (13) is arranged on the front end cover (8), and one end of the output shaft (12) penetrates through the front end cover (8) and the bearing (13) and is connected with one end of the axis encapsulation (5).

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