CN213693319U

CN213693319U - Miniature permanent magnet DC motor for electric toothbrush

Info

Publication number: CN213693319U
Application number: CN202022425158.7U
Authority: CN
Inventors: 李莉
Original assignee: Shenzhen Aobaode Electronic Co ltd
Current assignee: Shenzhen Aobaode Electronic Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-13
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to a miniature permanent magnetism direct current motor field just discloses an electric toothbrush is with miniature permanent magnetism direct current motor, including the casing, the upper and lower both ends of casing are provided with the fin, and the inside of fin is provided with the recess, both ends are provided with the main spring about the casing, and the one end of main spring is provided with the fixed plate, the front end of casing is provided with the slide rail. This miniature permanent magnetism direct current motor for electric toothbrush, fin and recess can increase the surface area of casing, improve the radiating effect of device, the cooperation can reduce the horizontal vibrations that bring after the device motion between main spring and the fixed plate simultaneously, improve user's use impression, the rotor drives the eccentric block rotatory after rotatory, wherein the fly leaf is lift and horizontal sideslip motion simultaneously, lead to the slide to go up and down reciprocating motion under the restriction of slide rail, the connecting plate of device front end with it synchronous motion, realize that the device can reach the required lift reciprocating motion effect of electric toothbrush.

Description

Miniature permanent magnet DC motor for electric toothbrush

Technical Field

The utility model relates to a miniature permanent magnetism direct current motor field specifically is a miniature permanent magnetism direct current motor for electric toothbrush.

Background

Electric toothbrushes come in two general categories: rotation and vibration, the principle of the rotating toothbrush is simple, namely the motor drives the circular brush head to rotate, the friction effect is enhanced while the ordinary tooth brushing action is executed, the rotating toothbrush has high noise, the tooth surface is cleaned completely, the cleaning between teeth is relatively weak, but has great abrasion to teeth, long-term use is not recommended, the vibration type toothbrush is more complex and higher in price, an electrically driven vibration motor is arranged in the vibration type toothbrush, the brush head can generate high-frequency swing perpendicular to the brush handle direction, but the amplitude of the swing is very small, generally about 5 mm for each of the upper and lower parts, the maximum swing amplitude of the industry is 6 mm, on one hand, the brush head which swings at high frequency can efficiently finish the action of brushing teeth during tooth brushing, on the other hand, the mixture of toothpaste and water in the oral cavity can generate a large amount of tiny bubbles by vibration for more than 30000 times per minute, and the pressure generated when the bubbles burst can deeply penetrate into tooth gaps to clean dirt.

The traditional electric toothbrush does not have any damping structure inside, so that the vibration part generated by the electric toothbrush directly acts on teeth to generate a cleaning effect, all the vibration part is acted on the hands of a user, and the hands of the user can generate a numb feeling after the electric toothbrush is used for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric toothbrush is with miniature permanent magnetism direct current motor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an electric toothbrush is with miniature permanent magnetism DC motor, includes the casing, and the upper and lower both ends of casing are provided with the fin, and the inside of fin is provided with the recess, both ends are provided with the main spring about the casing, and the one end of main spring is provided with the fixed plate, the front end of casing is provided with the slide rail, and the front end of slide rail is provided with the slide.

Preferably, the middle part of slide is provided with the spout, and the inside of spout is provided with the fly leaf, the inside of fly leaf is provided with the activity groove, and the middle part of activity groove is provided with the through-hole.

Preferably, the inside of activity groove is provided with the eccentric block, and the front end of eccentric block is provided with the stand, the middle part of stand is provided with the rotor.

Preferably, the front end of slide is provided with the connecting plate, and the front end of connecting plate is provided with the mounting groove, and the front end of mounting groove is provided with the spring axle, the front end of spring axle is provided with splint.

Preferably, the shell is movably connected with the fixing plate through a main spring, and the main spring and the fixing plate are bilaterally symmetrical about a plane where a central axis of the shell is located.

Preferably, the horizontal longitudinal length of the inner surface of the movable slot is equal to the horizontal longitudinal length of the front and rear end surfaces of the eccentric block, and the rotor is positioned at the upper end of the horizontal center line of the eccentric block.

Preferably, the sliding plate is fixed through a connecting plate, and the connecting plate is movably connected with the clamping plate through a spring shaft.

(III) advantageous effects

Compared with the prior art, the utility model provides an electric toothbrush is with miniature permanent magnetism direct current motor possesses following beneficial effect:

1. according to the miniature permanent magnet direct current motor for the electric toothbrush, through the arrangement of the radiating fins, the grooves, the main springs and the fixing plate, the radiating fins and the grooves can increase the outer surface area of the shell, the radiating effect of the motor is improved, secondly, the structure formed between the main springs and the fixing plate and the structure which is not filled in the front of the shell can accelerate the heat radiation of the motor, and meanwhile, the main springs and the fixing plate are matched to reduce the transverse horizontal vibration caused by the movement of the motor and improve the use feeling of a user;

2. according to the miniature permanent magnet direct current motor for the electric toothbrush, through the arrangement of the sliding plate, the movable plate, the eccentric block, the upright post and the rotor, the rotor drives the eccentric block to rotate after rotating, wherein the movable plate performs simultaneous lifting and horizontal transverse movement, so that the sliding plate is subjected to lifting reciprocating motion under the limitation of the sliding rail, and the connecting plate at the front end of the device moves synchronously with the sliding plate, so that the device can achieve the lifting reciprocating motion effect required by the electric toothbrush;

3. this electric toothbrush is with miniature permanent magnetism direct current motor, through the setting of connecting plate, mounting groove, spring shaft and splint, the slide at both ends about wherein the connecting plate is connected for the internal surface of slide laminates with the surface of fly leaf mutually all the time, realizes both synchronous motion, and secondly the location installation toothbrush that the structure that mounting groove, spring shaft and splint constitute can be quick, is convenient for change the toothbrush, and the use that improves the device is experienced.

Drawings

FIG. 1 is a schematic view of the eccentric block of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the main structure of the slide board of the present invention.

In the figure: 1. a housing; 2. a heat sink; 3. a groove; 4. a main spring; 5. a fixing plate; 6. a slide rail; 7. a slide plate; 8. a chute; 9. a movable plate; 10. a movable groove; 11. a through hole; 12. an eccentric block; 13. a column; 14. a rotor; 15. a connecting plate; 16. mounting grooves; 17. a spring shaft; 18. and (4) clamping the plate.

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. 1-3, a micro permanent magnet dc motor for an electric toothbrush comprises a housing 1, heat sinks 2 are disposed at the upper and lower ends of the housing 1, a groove 3 is disposed inside the heat sink 2, main springs 4 are disposed at the left and right ends of the housing 1, a fixing plate 5 is disposed at one end of the main spring 4, the housing 1 is movably connected with the fixing plate 5 through the main spring 4, the main spring 4 and the fixing plate 5 are bilaterally symmetrical with respect to a plane where a central axis of the housing 1 is located, the heat sinks 2, the groove 3, the main springs 4 and the fixing plate 5 are disposed, the heat sinks 2 and the grooves 3 can increase the outer surface area of the housing 1 and improve the heat dissipation effect of the device, and then a structure formed between the main springs 4 and the fixing plate 5 and the front of the housing 1 do not have any filling structure, which can accelerate the heat dissipation of the device, and at the same time, the main, the use feeling of the user is improved;

the front end of the shell 1 is provided with a slide rail 6, the front end of the slide rail 6 is provided with a slide plate 7, the middle part of the slide plate 7 is provided with a slide groove 8, the inside of the slide groove 8 is provided with a movable plate 9, the inside of the movable plate 9 is provided with a movable groove 10, the middle part of the movable groove 10 is provided with a through hole 11, the inside of the movable groove 10 is provided with an eccentric block 12, the front end of the eccentric block 12 is provided with an upright post 13, the middle part of the upright post 13 is provided with a rotor 14, the horizontal longitudinal length of the inner surface of the movable groove 10 is equal to the horizontal longitudinal length of the front and rear end surfaces of the eccentric block 12, the rotor 14 is positioned at the upper end of the horizontal central line of the eccentric block 12, the slide plate 7, the movable plate 9, the eccentric block 12, the upright post 13 and the rotor 14 are arranged, the rotor 14 drives, the connecting plate 15 at the front end of the device moves synchronously with the device, so that the device can achieve the lifting reciprocating motion effect required by the electric toothbrush;

the front end of slide 7 is provided with connecting plate 15, and the front end of connecting plate 15 is provided with mounting groove 16, and the front end of mounting groove 16 is provided with spring shaft 17, the front end of spring shaft 17 is provided with splint 18, slide 7 is fixed mutually through connecting plate 15, and connecting plate 15 passes through spring shaft 17 and splint 18 swing joint, connecting plate 15, mounting groove 16, the setting of spring shaft 17 and splint 18, wherein the slide 7 at both ends about connecting plate 15 connects, make slide 7's internal surface laminate with the surface of fly leaf 9 mutually all the time, realize both synchronous motion, secondly mounting groove 16, the location installation toothbrush that the structure that spring shaft 17 and splint 18 constitute can be quick, be convenient for change the toothbrush, the use experience of improvement device.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, the device is installed, then the device is started, a rotor 14 inside the device rotates under the action of power supply, an eccentric block 12 is fixed at the front end of the rotor 14, the rotor 14 drives the eccentric block 12 to rotate synchronously, the outer surface of the eccentric block 12 is meshed with an inner movable groove 10 of a movable plate 9, sliding plates 7 are arranged at the upper end and the lower end of the movable plate 9, the upper end surface and the lower end surface of the movable plate 9 are attached to an inner surface sliding groove 8 of the sliding plate 7, the left end surface and the right end surface of the movable plate 9 are free of any structures attached to the surfaces, the rotor 14 drives the eccentric block 12 to rotate after rotating, the movable plate 9 does simultaneous lifting and horizontal transverse movement, the sliding plates 7 are caused to do lifting reciprocating movement under the limitation of sliding rails 6, and a connecting plate.

To sum up, the miniature permanent magnet direct current motor for the electric toothbrush is provided with the radiating fins 2, the grooves 3, the main springs 4 and the fixing plates 5, the radiating fins 2 and the grooves 3 can increase the outer surface area of the shell 1 and improve the heat dissipation effect of the device, secondly, the structure formed between the main springs 4 and the fixing plates 5 and the front part of the shell 1 have no filling structure, the heat dissipation of the device can be accelerated, meanwhile, the main springs 4 and the fixing plates 5 are matched to reduce the transverse horizontal vibration caused by the movement of the device and improve the use feeling of a user, the sliding plate 7, the movable plate 9, the eccentric block 12, the upright post 13 and the rotor 14 are arranged, the rotor 14 drives the eccentric block 12 to rotate after rotating, wherein the movable plate 9 does simultaneous lifting and horizontal transverse movement, the sliding plate 7 is caused to do lifting reciprocating movement under the limitation of the sliding rail 6, and the connecting plate 15 at, the realizing device can reach the required lifting and reciprocating motion effect of electric toothbrush, connecting plate 15, mounting groove 16, spring shaft 17 and splint 18's setting, wherein the slide 7 at both ends about connecting plate 15 connects for slide 7's internal surface laminates with the surface of fly leaf 9 mutually all the time, realizes both synchronous motion, secondly the location installation toothbrush that the structure that mounting groove 16, spring shaft 17 and splint 18 constitute can be quick, be convenient for change the toothbrush, improve the use of device and experience.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a miniature permanent magnetism direct current motor for electric toothbrush, includes casing (1), its characterized in that: the upper end and the lower end of the shell (1) are provided with cooling fins (2), grooves (3) are formed in the cooling fins (2), main springs (4) are arranged at the left end and the right end of the shell (1), one ends of the main springs (4) are provided with fixing plates (5), the front end of the shell (1) is provided with sliding rails (6), and sliding plates (7) are arranged at the front ends of the sliding rails (6).

2. The miniature permanent magnet dc motor for an electric toothbrush according to claim 1, wherein: the middle part of slide (7) is provided with spout (8), and the inside of spout (8) is provided with fly leaf (9), the inside of fly leaf (9) is provided with activity groove (10), and the middle part of activity groove (10) is provided with through-hole (11).

3. The micro permanent magnet dc motor for an electric toothbrush according to claim 2, wherein: an eccentric block (12) is arranged in the movable groove (10), an upright column (13) is arranged at the front end of the eccentric block (12), and a rotor (14) is arranged in the middle of the upright column (13).

4. The miniature permanent magnet dc motor for an electric toothbrush according to claim 1, wherein: the front end of slide (7) is provided with connecting plate (15), and the front end of connecting plate (15) is provided with mounting groove (16), and the front end of mounting groove (16) is provided with spring axle (17), the front end of spring axle (17) is provided with splint (18).

5. The miniature permanent magnet dc motor for an electric toothbrush according to claim 1, wherein: the shell (1) is movably connected with the fixing plate (5) through the main spring (4), and the main spring (4) and the fixing plate (5) are bilaterally symmetrical about a plane where a central axis of the shell (1) is located.

6. The micro permanent magnet dc motor for an electric toothbrush according to claim 3, wherein: the horizontal longitudinal length of the inner surface of the movable groove (10) is equal to the horizontal longitudinal length of the front end surface and the rear end surface of the eccentric block (12), and the rotor (14) is positioned at the upper end of the horizontal center line of the eccentric block (12).

7. The miniature permanent magnet dc motor for an electric toothbrush according to claim 4, wherein: the sliding plate (7) is fixed through a connecting plate (15), and the connecting plate (15) is movably connected with a clamping plate (18) through a spring shaft (17).