CN213425904U

CN213425904U - Motor transmission device of electric toothbrush

Info

Publication number: CN213425904U
Application number: CN202022237849.4U
Authority: CN
Inventors: 叶新春
Original assignee: Kaihua Ruichang Motor Co ltd
Current assignee: Kaihua Ruichang Motor Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-11
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses an electric toothbrush motor transmission relates to motor shaft technical field. The utility model discloses a motor housing, surface mounting has the end cover on the motor housing, the last surface mounting of end cover has the dust ring, the last surface connection of dust ring has first motor drive shaft, waterproof storehouse is installed to motor housing's bottom surface, waterproof storehouse's bottom surface is provided with second motor drive shaft, motor housing's internally mounted has biax motor and first airtight layer, the week side-mounting of first motor drive shaft has solenoid, week side-mounting of second motor drive shaft has the airtight layer of second, week side-connection of second motor drive shaft has layer and the airtight layer of second that absorbs water, a side fixed mounting on layer that absorbs water has the bulkhead. The utility model improves the working efficiency of the electric toothbrush through the second motor transmission shaft and the first motor transmission shaft; the multilayer sealing layers are arranged, so that the waterproof effect of the motor is improved, and the service life is prolonged; and a dustproof ring is arranged to prevent dust for the motor.

Description

Motor transmission device of electric toothbrush

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to an electric toothbrush motor transmission.

Background

The electric toothbrush is a toothbrush which can instantly decompose toothpaste into fine foam by the high-frequency vibration of a brush head through the quick rotation or vibration of a motor core, so as to deeply clean teeth, and meanwhile, the vibration of bristles can promote the blood circulation of an oral cavity and has a massage effect on gum tissues.

The waterproof layer of traditional full-automatic electric toothbrush's motor shaft often only one, this just leads to electric toothbrush under the condition of long-time use, lead to the seal not enough, make electric toothbrush appear damaging, the life-span is shorter, current full-automatic electric toothbrush motor shaft often is the unipolar, the efficiency that leads to electric toothbrush clean tooth is not high, furthermore, traditional electric toothbrush motor shaft does not possess dustproof effect, can produce a lot of dusts under the condition that does not for a long time, electric toothbrush's damage with higher speed, for solving above-mentioned problem, an electric toothbrush motor transmission now is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric toothbrush motor transmission device, which solves the problem of short service life of the traditional electric toothbrush motor shaft by arranging a plurality of airtight layers and water absorption layers; through setting up the dust screen, solved the easy problem of piling up the dust of electric toothbrush motor shaft.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an electric toothbrush motor transmission device, which comprises a motor shell, wherein the motor shell is of a shell structure, a mounting plate is arranged on the peripheral side of the motor shell, an end cover and a plurality of fastening screws are arranged on the upper surface of the mounting plate, and the motor is conveniently arranged in an electric toothbrush by arranging the fastening screws, so that the stability is strengthened; the upper surface of the end cover is provided with the dustproof ring, and the motor can be prevented from dust by arranging the dustproof ring, so that the service life of the electric toothbrush is prolonged; the upper surface of dust ring is connected with first motor drive shaft, waterproof storehouse is installed to the bottom surface of motor housing, the bottom surface in waterproof storehouse is provided with opening and second motor drive shaft, second motor drive shaft installs in the opening, through setting up two axles of first motor drive shaft and second motor drive shaft, improves electric toothbrush's efficiency.

Preferably, a double-shaft motor and a first sealing layer are installed inside the motor shell, a first motor transmission shaft is connected to the upper surface of the double-shaft motor, an electromagnetic coil is fixedly installed on the peripheral side surface of the first motor transmission shaft, a second motor transmission shaft is connected to the bottom surface of the double-shaft motor, an electromagnetic coil and a second sealing layer are installed on the peripheral side surface of the second motor transmission shaft, and the waterproof performance of the motor is improved by arranging the plurality of sealing layers; the upper surface fixed mounting on second airtight layer has the bracing piece, a side of bracing piece is connected with first airtight layer.

Preferably, a connecting rod is arranged inside the second motor transmission shaft, iron cores are mounted at two ends of the connecting rod, a water absorbing layer and a second closed layer are connected to the peripheral side face of the second motor transmission shaft, the second closed layer is located below the water absorbing layer, a waterproof wall is fixedly mounted on one side face of the water absorbing layer, and the waterproof capability of the motor is further improved by the arrangement of the waterproof wall and the water absorbing layer; a side face of the waterproof wall is provided with a protrusion, the upper surface of the second airtight layer is provided with a plurality of first airtight layers, and the bottom surfaces of the first airtight layers are provided with a plurality of limiting grooves.

Preferably, the fastening screws are uniformly arrayed on the peripheral side of the end cover.

Preferably, the number of the protrusions is the same as that of the limiting grooves, the cross-sectional area of each limiting groove is larger than that of each protrusion, and the cross-sectional area of each limiting groove is larger than that of each protrusion, so that the water absorbing layer is convenient to mount.

The utility model discloses following beneficial effect has:

the utility model is provided with the fastening screw, so that the motor can be conveniently arranged in the electric toothbrush, and the stability is strengthened; the dustproof ring is arranged, so that the motor can be dustproof, and the service life of the electric toothbrush is prolonged; the vibration amplitude of the electric toothbrush is improved and the cleaning efficiency is improved by arranging the first motor transmission shaft and the second motor transmission shaft; the waterproof performance of the motor is improved by arranging a plurality of sealing layers; the waterproof capability of the motor is further improved by arranging the waterproof wall and the water absorption layer; the materials through setting up first airtight layer and the airtight layer of second are rubber, and rubber has good elasticity and protectiveness, promotes the life-span of motor, is greater than bellied cross sectional area through the cross sectional area who sets up the spacing groove, conveniently absorbs water the installation on layer.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

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

fig. 2 is a schematic diagram of the right-side view structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a motor housing; 2. an end cap; 3. a dust ring; 4. a first motor drive shaft; 5. fastening screws; 6. a second motor drive shaft; 7. a waterproof bin; 8. a first sealing layer; 9. a dual-axis motor; 10. a second sealing layer; 11. a support bar; 12. a waterproof wall; 13. a water-absorbing layer; 14. a limiting groove; 15. a protrusion; 16. an iron core; 17. a connecting rod; 18. an electromagnetic coil; 19. and (7) mounting 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention relates to a motor transmission device for an electric toothbrush, which comprises a motor housing 1, wherein the motor housing 1 is of a shell structure, a mounting plate 19 is installed on the peripheral surface of the motor housing 1, an end cover 2 and a plurality of fastening screws 5 are installed on the upper surface of the mounting plate 19, and the motor can be conveniently installed in the electric toothbrush by arranging the fastening screws 5, so as to reinforce the stability; the upper surface of the end cover 2 is provided with the dustproof ring 3, and the motor can be prevented from dust by arranging the dustproof ring 3, so that the service life of the electric toothbrush is prolonged; the upper surface of the dust ring 3 is connected with a first motor transmission shaft 4, the bottom surface of the motor shell 1 is provided with a waterproof bin 7, the bottom surface of the waterproof bin 7 is provided with an opening and a second motor transmission shaft 6, the second motor transmission shaft 6 is arranged in the opening, and the efficiency of the electric toothbrush is improved by arranging the first motor transmission shaft 4 and the second motor transmission shaft 6;

furthermore, a double-shaft motor 9 and a first sealing layer 8 are arranged inside the motor shell 1, the upper surface of the double-shaft motor 9 is connected with a first motor transmission shaft 4, an electromagnetic coil 18 is fixedly arranged on the peripheral side surface of the first motor transmission shaft 4, the bottom surface of the double-shaft motor 9 is connected with a second motor transmission shaft 6, the peripheral side surface of the second motor transmission shaft 6 is provided with the electromagnetic coil 18 and a second sealing layer 10, and the waterproof performance of the motor is improved by arranging the sealing layers; the upper surface of the second airtight layer 10 is fixedly provided with a support rod 11, and one side surface of the support rod 11 is connected with the first airtight layer 8.

Furthermore, a connecting rod 17 is arranged inside the second motor transmission shaft 6, two ends of the connecting rod 17 are provided with iron cores 16, the circumferential side surface of the second motor transmission shaft 6 is connected with a water absorbing layer 13 and a second closed layer 10, the second closed layer 10 is positioned below the water absorbing layer 13, a waterproof wall 12 is fixedly arranged on one side surface of the water absorbing layer 13, and the waterproof capability of the motor is further improved by arranging the waterproof wall 12 and the water absorbing layer 13; a bulge 15 is arranged on one side face of the waterproof wall 12, a plurality of first sealing layers 8 are arranged on the upper surface of the second sealing layer 10, and a plurality of limiting grooves 14 are formed in the bottom surfaces of the first sealing layers 8.

Further, the fastening screws 5 are uniformly arrayed on the circumferential side of the end cap 2.

Further, the number of the protrusions 15 is the same as that of the limiting grooves 14, the cross-sectional area of each limiting groove 14 is larger than that of each protrusion 15, and the water absorbing layer 13 is convenient to mount by the fact that the cross-sectional area of each limiting groove 14 is larger than that of each protrusion 15.

Example (b):

the following is a specific method of use of an electric toothbrush motor transmission: firstly install motor housing 1 in electric toothbrush through fastening screw 5, before the motor operation, install in spacing groove 14 through arch 15, install the bulkhead in the side of first airtight layer 8, connect the power with biax motor 9 again, first motor drive shaft 4 and second motor drive shaft 6 begin to rotate, at the in-process of motor operation, carry out waterproofly through first airtight layer 8, second airtight layer 10, bulkhead 12 and the layer 13 that absorbs water, it is dustproof to carry out through dust ring 3.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An electric toothbrush motor transmission, comprising a motor housing (1), characterized in that: motor housing (1) is shell structure, motor housing (1) week side-mounting has mounting panel (19), surface mounting has end cover (2) and a plurality of fastening screw (5) on mounting panel (19), the last surface mounting of end cover (2) has dust ring (3), the upper surface of dust ring (3) is connected with first motor drive shaft (4), waterproof storehouse (7) are installed to the bottom surface of motor housing (1), the bottom surface of waterproof storehouse (7) is provided with opening and second motor drive shaft (6), second motor drive shaft (6) are installed in the opening.

2. An electric toothbrush motor transmission device as claimed in claim 1, characterized in that the motor housing (1) is internally provided with a double-shaft motor (9) and a first airtight layer (8), the upper surface of the double-shaft motor (9) is connected with a first motor transmission shaft (4), the circumferential side surface of the first motor transmission shaft (4) is fixedly provided with an electromagnetic coil (18), the bottom surface of the double-shaft motor (9) is connected with a second motor transmission shaft (6), the circumferential side surface of the second motor transmission shaft (6) is provided with an electromagnetic coil (18) and a second airtight layer (10), the upper surface of the second airtight layer (10) is fixedly provided with a support rod (11), and one side surface of the support rod (11) is connected with the first airtight layer (8).

3. The electric toothbrush motor transmission device according to claim 1, characterized in that a connecting rod (17) is arranged inside the second motor transmission shaft (6), iron cores (16) are installed at both ends of the connecting rod (17), a water absorbing layer (13) and a second airtight layer (10) are connected to the circumferential side of the second motor transmission shaft (6), the position of the second airtight layer (10) is below the water absorbing layer (13), a waterproof wall (12) is fixedly installed on one side of the water absorbing layer (13), a protrusion (15) is arranged on one side of the waterproof wall (12), a plurality of first airtight layers (8) are installed on the upper surface of the second airtight layer (10), and a plurality of limiting grooves (14) are arranged on the bottom surface of the first airtight layers (8).

4. An electric toothbrush motor transmission according to claim 1, characterized in that the fastening screws (5) are evenly arrayed on the circumference side of the end cap (2).

5. An electric toothbrush motor transmission device according to claim 3, characterized in that the number of the protrusions (15) and the number of the retaining grooves (14) are the same, and the cross-sectional area of the retaining grooves (14) is larger than the cross-sectional area of the protrusions (15).