CN213027678U

CN213027678U - Sound wave motor for electric toothbrush

Info

Publication number: CN213027678U
Application number: CN202022030809.2U
Authority: CN
Inventors: 张烨轩
Original assignee: Goodford Electronic Technology Suqian Co ltd
Current assignee: Goodford Electronic Technology Suqian Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-04-20
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a sound wave motor for electric toothbrush, including motor main part, pivot, balancing weight and brush, be fixed with on motor main part's the inside wall and fall the structure of making an uproar, it is cotton to fall the structure of making an uproar including inhaling sound hole, noise damping chamber, sound-proof wall and amortization, the amortization chamber is fixed in the inside both sides of motor main part, motor main part's top is fixed with the installation pole, and installs the top of pole and be fixed with the dismouting structure, the outside of installation pole is provided with the brush head, the bottom mounting of the inside both sides of motor main part has magnet. The utility model discloses a be provided with and fall the structure of making an uproar and realized falling the noise electric toothbrush, when electric toothbrush is using, the sound wave motor operation can send the noise, and the noise is restricted by the sound-proof wall only can be through inhaling the sound hole in inside, can be transmitted the cotton inside of amortization through inhaling the sound hole when the noise, and the amortization chamber envelops the cotton maximize of amortization block the noise to the performance of making an uproar of falling of sound wave motor has been improved.

Description

Sound wave motor for electric toothbrush

Technical Field

The utility model relates to a sound wave motor technical field specifically is a sound wave motor for electric toothbrush.

Background

With the rapid development of modern science and technology, the living standard of residents in China is continuously improved, people have higher requirements on personal hygiene, and the common toothbrush cannot meet the use requirements, so that a special sound wave motor for the electric toothbrush can be used;

however, when the sound wave motor of the existing electric toothbrush in the market is used, the noise reduction performance is not good, the use experience of a user may be affected, the holding feeling is poor, and the use experience is not good, so that the sound wave motor for the electric toothbrush is developed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sound wave motor for electric toothbrush to it is not good to propose the performance of making an uproar of falling in solving above-mentioned background art, may experience to cause the influence to user's use, grips and feels the problem that the variation does not have fine use impression.

In order to achieve the above object, the utility model provides a following technical scheme: a sound wave motor for an electric toothbrush comprises a motor main body, a rotating shaft, a balancing weight and an electric brush, wherein a noise reduction structure is fixed on the inner side wall of the motor main body and comprises sound absorption holes, a sound attenuation cavity, sound insulation walls and sound attenuation cotton, the sound attenuation cavity is fixed on two sides inside the motor main body, the sound attenuation cotton is arranged inside the sound attenuation cavity, the sound insulation walls are fixed on two sides inside the sound attenuation cavity, the sound absorption holes are formed in the top ends of the two sides inside the sound insulation walls, the fixed structure is fixed on two sides of the motor main body, the rotating shaft is movably connected to the bottom end inside the motor main body, the electric brush is movably connected to the bottom end outside the rotating shaft, a rotor is arranged at the top end of the electric brush and is installed outside the rotating shaft, the balancing weight is fixed on the top end outside the rotating shaft, an installation rod is fixed on the top end of the motor, the outside of installation pole is provided with the brush head, the bottom of the inside both sides of motor main part is fixed with magnet.

Preferably, the sound absorbing holes are arranged at equal intervals at the top ends of two sides in the sound insulating wall, and the silencing cotton is uniformly distributed in the silencing cavity.

Preferably, the fixed structure comprises a clamping groove, a connecting piece, a clamping block and a rubber ring, the clamping groove is formed in two sides of the inner portion of the shell, the connecting piece is fixed to two sides of the motor main body, the clamping block is fixed to one side of the connecting piece, and the rubber ring is fixed to the outer portion of the clamping block.

Preferably, the outer diameter of the clamping block is smaller than the inner diameter of the clamping groove, and a clamping structure is formed between the clamping block and the clamping groove.

Preferably, the dismouting structure includes preformed groove, spring, stopper and spacing groove, the preformed groove sets up in the inside both sides of brush head, one side of preformed groove inside all is fixed with the spring, and one side of spring all is fixed with the stopper, the spacing groove all sets up in the top of installation pole both sides.

Preferably, the cross section of the limiting block is smaller than that of the limiting groove, and the limiting block forms a telescopic structure in the reserved groove through a spring.

Preferably, the outer diameter of the mounting rod is smaller than the inner diameter of the brush head, and the limiting block and the limiting groove are matched with each other.

Compared with the prior art, the beneficial effects of the utility model are that: the sound wave motor of the electric toothbrush not only realizes noise reduction of the sound wave motor and has better use experience effect, but also simultaneously realizes convenience for mounting and fixing the sound wave motor, improves the mounting efficiency, facilitates the fixed connection of the mounting rod and prevents the mounting rod from falling off from the inside of the toothbrush head;

(1) the noise reduction structure is arranged to reduce noise of the electric toothbrush, when the electric toothbrush is in use, the sound wave motor can emit noise when running, the noise is limited by the sound insulation wall, only the sound absorption hole can pass through the inside, when the noise is transmitted to the inside of the silencing cotton through the sound absorption hole, the silencing cavity wraps the silencing cotton to block the noise to the maximum extent, and therefore the noise reduction performance of the sound wave motor is improved;

(2) the sound wave motor is convenient to mount and fix by the fixing structure, when the sound wave motor of the electric toothbrush needs to be mounted, the motor main body is inserted into the top of the shell and rotates ninety degrees clockwise, the clamping block is clamped inside the clamping groove, and the rubber ring enables the connection between the clamping block and the clamping groove to be firmer, so that the convenience in mounting the sound wave motor is improved;

(3) realize being convenient for through being provided with the dismouting structure and carry out fixed connection to the installation pole, when the toothbrush is in the installation, spacing block card to the spacing inslot, the stopper is withstood to the spring, makes the brush head can fix, prevents to install the phenomenon that the pole drops from the inside production of brush head to the convenience that the installation of brush head was fixed has been improved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic bottom sectional view of the present invention;

FIG. 3 is a side view of the detachable structure of the present invention;

fig. 4 is a schematic view of the front view partial section structure of the fixing structure of the present invention.

In the figure: 1. a motor main body; 2. a noise reduction structure; 201. a sound absorption hole; 202. a sound-deadening chamber; 203. a sound-insulating wall; 204. silencing cotton; 3. a fixed structure; 301. a card slot; 302. connecting sheets; 303. a clamping block; 304. a rubber ring; 4. a rotating shaft; 5. mounting a rod; 6. a disassembly and assembly structure; 601. reserving a groove; 602. a spring; 603. a limiting block; 604. a limiting groove; 7. a brush head; 8. a balancing weight; 9. a magnet; 10. an electric brush; 11. a rotor; 12. a housing.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a sound wave motor for an electric toothbrush comprises a motor body 1, a rotating shaft 4, a balancing weight 8 and an electric brush 10, wherein a noise reduction structure 2 is fixed on the inner side wall of the motor body 1, the noise reduction structure 2 comprises a sound absorption hole 201, a sound attenuation cavity 202, a sound insulation wall 203 and sound attenuation cotton 204, the sound attenuation cavity 202 is fixed on two sides of the interior of the motor body 1, the sound attenuation cotton 204 is arranged in the sound attenuation cavity 202, the sound insulation wall 203 is fixed on two sides of the interior of the sound attenuation cavity 202, the sound absorption holes 201 are arranged at the top ends of two sides of the interior of the sound insulation wall 203, fixing structures 3 are fixed on two sides of the motor body 1, the rotating shaft 4 is movably connected at the bottom end of the interior of the motor body 1, the electric brush 10 is movably connected at the bottom end of the exterior of the rotating shaft 4, a rotor 11 is arranged at the top end of the electric brush 10 and is arranged outside the rotating, a dismounting structure 6 is fixed at the top end of the mounting rod 5, a brush head 7 is arranged outside the mounting rod 5, and magnets 9 are fixed at the bottom ends of two sides inside the motor main body 1;

the sound absorption holes 201 are arranged at equal intervals at the top ends of the two sides inside the sound insulation wall 203, and the silencing cotton 204 is uniformly distributed in the silencing cavity 202;

specifically, as shown in fig. 1 and 2, when the structure is used, firstly, when the electric toothbrush is in operation, the electric brush 10 rotates the rotor 11, the rotor 11 drives the rotating shaft 4 to rotate the counterweight block 8, the counterweight block 8 is an irregular cylinder, when the counterweight block 8 rotates, noise is generated, the noise is limited inside by the sound insulation wall 203 and can only pass through the sound absorption hole 201, when the noise passes through the sound absorption hole 201 and can be transmitted to the inside of the silencing cotton 204, the silencing cavity 202 wraps the maximal blocking noise of the silencing cotton 204, so that the noise reduction performance of the sound wave motor is improved;

the fixing structure 3 comprises a clamping groove 301, a connecting sheet 302, a clamping block 303 and a rubber ring 304, the clamping groove 301 is arranged on two sides inside the shell 12, the connecting sheet 302 is fixed on two sides of the motor main body 1, the clamping block 303 is fixed on one side of the connecting sheet 302, the rubber ring 304 is fixed outside the clamping block 303, the outer diameter of the clamping block 303 is smaller than the inner diameter of the clamping groove 301, and a clamping structure is formed between the clamping block 303 and the clamping groove 301;

specifically, as shown in fig. 1 and 4, when the structure is used, firstly, when the acoustic wave motor needs to be installed inside the housing 12, the motor body 1 is inserted into the top of the housing 12, and rotates ninety degrees clockwise, the fixture block 303 is clamped inside the clamping groove 301, and the rubber ring 304 enables the connection between the fixture block 303 and the clamping groove 301 to be firmer, so that the installation convenience of the acoustic wave motor is improved;

the dismounting structure 6 comprises a preformed groove 601, a spring 602, a limiting block 603 and a limiting groove 604, the preformed groove 601 is arranged at two sides of the interior of the brush head 7, the spring 602 is fixed at one side of the interior of the preformed groove 601, the limiting block 603 is fixed at one side of the spring 602, the limiting groove 604 is arranged at the top end of two sides of the mounting rod 5, the cross section of the limiting block 603 is smaller than that of the limiting groove 604, the limiting block 603 forms a telescopic structure in the interior of the preformed groove 601 through the spring 602, the outer diameter of the mounting rod 5 is smaller than the inner diameter of the brush head 7, and the limiting block 603 and the limiting groove 604;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, when the mounting rod 5 needs to be fixed inside the brush head 7, the mounting rod 5 is inserted into the inside of the brush head 7, at this time, the limiting block 603 is clamped into the limiting groove 604, and the spring 602 abuts against the limiting block 603, so that the brush head 7 can be fixed, the phenomenon that the mounting rod 5 falls off from the inside of the brush head 7 is prevented, and the convenience degree of mounting and fixing the brush head 7 is improved.

The working principle is as follows: when the utility model is used, the sound wave motor of the electric toothbrush is powered by the storage battery, firstly, when the sound wave motor is required to be installed in the shell 12, the motor main body 1 is inserted into the top of the shell 12, and rotates clockwise by ninety degrees, the clamping block 303 is clamped in the clamping groove 301, so that the clamping block 303 is fixed in the shell 12, and the rubber ring 304 is wrapped outside the clamping block 303, so that the connection between the clamping block 303 and the clamping groove 301 is firmer;

secondly, when the brush head 7 is installed, the brush head 7 is sleeved on the installation rod 5, the limiting block 603 is clamped in the limiting groove 604, the spring 602 abuts against the limiting block 603, and pressure is applied to the limiting block 603, so that the brush head 7 can be fixed;

finally, electric toothbrush is at the during operation, and brush 10 makes rotor 11 rotate, and rotor 11 drives pivot 4 and makes balancing weight 8 rotate, and balancing weight 8 is an anomalous cylinder, can make rotor 11 shake when rotating to make pivot 4 drive brush head 7 through installation pole 5 and shake, finally accomplish electric toothbrush's the work of using.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sound wave motor for electric toothbrush, includes motor body (1), pivot (4), balancing weight (8) and brush (10), its characterized in that: the noise reduction structure (2) is fixed on the inner side wall of the motor main body (1), the noise reduction structure (2) comprises sound absorption holes (201), a sound absorption cavity (202), a sound insulation wall (203) and noise reduction cotton (204), the sound absorption cavity (202) is fixed on two sides of the interior of the motor main body (1), the noise reduction cotton (204) is arranged in the sound absorption cavity (202), the sound insulation wall (203) is fixed on two sides of the interior of the sound absorption cavity (202), the sound absorption holes (201) are formed in the top ends of two sides of the interior of the sound insulation wall (203), the fixed structure (3) is fixed on two sides of the motor main body (1), the rotating shaft (4) is movably connected to the bottom end of the interior of the motor main body (1), the electric brush (10) is movably connected to the bottom end of the exterior of the rotating shaft (4), the rotor (11) is arranged on the top end of the electric brush (10, the top of pivot (4) outside is fixed with balancing weight (8), the top of motor main body (1) is fixed with installation pole (5), and the top of installation pole (5) is fixed with dismouting structure (6), the outside of installation pole (5) is provided with brush head (7), the bottom mounting of the inside both sides of motor main body (1) has magnet (9).

2. A sonic motor for an electric toothbrush in accordance with claim 1, wherein: the sound absorption holes (201) are arranged at equal intervals at the top ends of two sides in the sound insulation wall (203), and the silencing cotton (204) is uniformly distributed in the silencing cavity (202).

3. A sonic motor for an electric toothbrush in accordance with claim 1, wherein: fixed knot constructs (3) including draw-in groove (301), connection piece (302), fixture block (303) and rubber circle (304), draw-in groove (301) set up in the inside both sides of casing (12), connection piece (302) are fixed in the both sides of motor main part (1), one side of connection piece (302) is fixed with fixture block (303), the external fixation of fixture block (303) has rubber circle (304).

4. A sonic motor for an electric toothbrush in accordance with claim 3, wherein: the outer diameter of the clamping block (303) is smaller than the inner diameter of the clamping groove (301), and a clamping structure is formed between the clamping block (303) and the clamping groove (301).

5. A sonic motor for an electric toothbrush in accordance with claim 1, wherein: dismouting structure (6) are including preformed groove (601), spring (602), stopper (603) and spacing groove (604), preformed groove (601) set up in the inside both sides of brush head (7), one side of preformed groove (601) inside all is fixed with spring (602), and one side of spring (602) all is fixed with stopper (603), spacing groove (604) all set up in the top of installation pole (5) both sides.

6. A sonic motor for an electric toothbrush in accordance with claim 5, wherein: the cross section of the limiting block (603) is smaller than that of the limiting groove (604), and the limiting block (603) forms a telescopic structure in the reserved groove (601) through a spring (602).

7. A sonic motor for an electric toothbrush in accordance with claim 5, wherein: the outer diameter of the mounting rod (5) is smaller than the inner diameter of the brush head (7), and the limiting block (603) is matched with the limiting groove (604).