CN209172560U

CN209172560U - A kind of electric toothbrush

Info

Publication number: CN209172560U
Application number: CN201821152167.XU
Authority: CN
Inventors: 王学武
Original assignee: Shenzhen City Electronic Polytron Technologies Inc Comments
Current assignee: Shenzhen Bestman Electronic Technology Co ltd
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2019-07-30
Anticipated expiration: 2028-07-18

Abstract

A kind of electric toothbrush, including toothbrush body, upper casing, shake motor, battery component and bottom cover component, the upper casing is in tubular construction, the brush handle of the toothbrush body and the front end of upper casing use close-fitting mode assembly connection, the vibration motor is mounted on the cavity front end of upper casing, it shakes and is connected with rotation accessory in the shaft of motor, the battery component is arranged in the cavity rear end of upper casing and forms galvanic circle with vibration motor, the upper casing rear end is equipped with circular open, the bottom cover component is mounted in opening with seal cavity, the utility model is compared with conventional power toothbrush, without pcb board and electric power connection line in the cavity of upper casing, not only save the cavity space of upper casing, reduce upper casing size, also add the stability of electrical connection, the user experience is improved.

Description

Electric toothbrush

Technical Field

The utility model relates to an electric toothbrush field, concretely relates to electric toothbrush.

Background

The electric toothbrush makes the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantaneously decomposes the toothpaste into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues.

At present, the inside of electronic tooth all is equipped with the PCB mainboard that is used for system control to and be used for connecting the electric wire of PCB mainboard, shock dynamo and battery, this volume that has not only increaseed electronic tooth body, PCB mainboard and electric wire way are at shock dynamo's high-speed vibrations in-process moreover, and electric contact's unstability appears easily, lead to the phenomenon that the in-process of brushing teeth appears crashing, has influenced user experience greatly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned problem that prior art exists, provide an electric toothbrush to solve current electronic tooth because be equipped with PCB mainboard and electric wire way, electric contact's unstable problem appears easily.

In order to achieve the above object, the utility model provides an electric toothbrush, including toothbrush main part, epitheca, shock motor, battery pack and bottom subassembly, the epitheca is the tubular structure, toothbrush main part's brush holder adopts close-fitting mode be assembled between/be connected with the front end of epitheca, shock motor installs the cavity front end at the epitheca, is connected with the rotation accessory in shock motor's the pivot, battery pack sets up the cavity rear end at the epitheca and forms conductive loop with shock motor, the epitheca rear end is equipped with circular opening, the bottom subassembly is installed with seal chamber on the opening.

As a further preferred technical scheme of the utility model, the pivot of shock motor is towards the front end of epitheca, and the central line of pivot and epitheca is on same axis.

As a further preferred technical scheme of the utility model, it rotates the accessory to rotate the accessory for the eccentric wheel.

As a further preferred technical scheme of the utility model, the bottom subassembly includes fixed part and rotating part, the fixed part nestification is fixed in the opening, and the rotating part is located the opening outside and rotatably connects at the end top of fixed part, and the cover is equipped with the sealing washer between fixed part and the open-ended edge.

As a further preferable technical solution of the present invention, the battery assembly is composed of a battery support, a battery, a first negative plate, a second negative plate and a positive spring; the battery bracket is fixed in the cavity of the upper shell and is positioned at the rear end of the vibration motor, and the positive pole spring is elastically compressed between the battery bracket and the vibration motor and is respectively and electrically connected with the positive pole of the battery and the positive terminal of the vibration motor; the first negative plate is fixed on the battery bracket, one end of the first negative plate is electrically connected with the negative terminal of the vibration motor, and the other end of the first negative plate extends to the accessory of the fixing part along the outer wall of the battery bracket; the second negative plate is fixed on the rotating part, one end of the second negative plate penetrates through the fixing part to be in electrical contact with the negative electrode of the battery, and the other end of the second negative plate penetrates through the fixing part and can be screwed to move the rotating part to enable the first negative plate to be in electrical contact with or separated from the second negative plate.

The utility model discloses an electric toothbrush can reach following beneficial effect:

the utility model discloses an electric toothbrush, through including toothbrush main part, epitheca, shock motor, battery pack and bottom subassembly, the epitheca is the tubular structure, toothbrush main part's brush holder adopts close-fitting mode be assembled between/be connected with the front end of epitheca, shock motor installs the cavity front end of epitheca, is connected with the rotating part in shock motor's the pivot, battery pack sets up the cavity rear end of epitheca and forms conductive loop with shock motor, the epitheca rear end is equipped with circular opening, bottom unit mount is with seal chamber on the opening, makes the utility model discloses an electric toothbrush compares with traditional electric toothbrush, does not have PCB board and power connecting wire in the cavity of epitheca, has not only saved the cavity space of epitheca, has reduced the epitheca size, has still increased the stability of electricity connection, has promoted user experience.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of an example of an electric toothbrush according to the present invention;

fig. 2 is a schematic view of a partial structure of the electric toothbrush of the present invention.

In the figure: 1. bottom cap subassembly, 2, sealing washer, 3, second negative pole piece, 4, battery, 5, battery holder, 6, first negative pole piece, 7, anodal spring, 8, shock motor, 9, rotation accessory, 10, epitheca, 11, toothbrush main part.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.

As shown in fig. 1 and 2, the electric toothbrush includes a toothbrush body 11, an upper casing 10, a vibration motor 8, a battery 4 assembly and a bottom cover assembly 1, wherein the upper casing 10 is of a tubular structure, a toothbrush handle of the toothbrush body 11 is assembled and connected with a front end of the upper casing 10 in a tight fit manner, the vibration motor 8 is installed at a front end of a cavity of the upper casing 10, a rotating fitting 9 is connected to a rotating shaft of the vibration motor 8, a circular opening is formed at a rear end of the upper casing 10, the bottom cover assembly 1 is installed on the opening to seal the cavity of the upper casing 10, the bottom cover assembly 1 includes a fixing portion and a rotating portion, the fixing portion is nested and fixed in the opening, and the rotating portion is located outside the opening and rotatably connected to a top of the fixing; the battery component consists of a battery bracket 5, a battery 4, a first negative plate 6, a second negative plate 3 and a positive spring 7; the battery bracket 5 is fixed in the cavity of the upper shell 10 and is positioned at the rear end of the vibration motor 8, and the positive electrode spring 7 is elastically compressed between the battery bracket 5 and the vibration motor 8 and is respectively and electrically connected with the positive electrode of the battery 4 and the positive terminal of the vibration motor 8; the first negative plate 6 is fixed on the battery bracket, one end of the first negative plate is electrically connected with a negative terminal of the vibration motor 8, and the other end of the first negative plate extends to an accessory of the fixing part along the outer wall of the battery bracket 5; the second negative plate 3 is fixed on the rotating part, one end of the second negative plate passes through the fixing part to be electrically contacted with the negative electrode of the battery 4, the other end of the second negative plate passes through the fixing part and can be used for screwing the rotating part to electrically contact or separate the first negative plate 6 and the second negative plate 3, and the rotating part is screwed to switch on or off a circuit between the negative electrode of the battery 4 and the vibration motor 8, so that the switching action is realized. It compares with traditional electric toothbrush, does not have PCB board and power connecting wire in the cavity of epitheca 10, has not only saved the cavity space of epitheca 10, has reduced epitheca 10 size, has still increased the stability of electricity connection, has promoted user experience.

Preferably, a sealing ring is sleeved between the fixing part and the edge of the opening

In specific implementation, the rotating shaft of the vibrating motor 8 faces the front end of the upper shell 10, the rotating shaft and the central line of the upper shell 10 are on the same axis, the rotating accessory 9 is an eccentric wheel rotating accessory 9, and in the process of tooth brushing, the vibrating motor 8 drives the eccentric wheel to rotate to generate vibration, so that vibrating tooth brushing is realized. The rotating part on the rotating bottom cover component 1 is screwed, so that the electric toothbrush can be started or shut down, and the use and the operation are convenient.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. An electric toothbrush is characterized by comprising a toothbrush main body, an upper shell, a vibration motor, a battery assembly and a bottom cover assembly, wherein the upper shell is of a tubular structure, a toothbrush handle of the toothbrush main body is assembled and connected with the front end of the upper shell in a tight fit mode, the vibration motor is installed at the front end of a cavity of the upper shell, a rotating shaft of the vibration motor is connected with a rotating accessory, the battery assembly is arranged at the rear end of the cavity of the upper shell and forms a conductive loop with the vibration motor, a circular opening is formed in the rear end of the upper shell, and the bottom cover assembly is installed on the opening to seal the cavity; wherein,

the bottom cover assembly comprises a fixed part and a rotating part, the fixed part is embedded and fixed in the opening, the rotating part is positioned outside the opening and is rotatably connected to the top of the end of the fixed part, and a sealing ring is sleeved between the edge of the fixed part and the edge of the opening;

the battery component consists of a battery bracket, a battery, a first negative plate, a second negative plate and a positive spring; the battery bracket is fixed in the cavity of the upper shell and is positioned at the rear end of the vibration motor, and the positive pole spring is elastically compressed between the battery bracket and the vibration motor and is respectively and electrically connected with the positive pole of the battery and the positive terminal of the vibration motor; the first negative plate is fixed on the battery bracket, one end of the first negative plate is electrically connected with the negative terminal of the vibration motor, and the other end of the first negative plate extends to the accessory of the fixing part along the outer wall of the battery bracket; the second negative plate is fixed on the rotating part, one end of the second negative plate penetrates through the fixing part to be in electrical contact with the negative electrode of the battery, and the other end of the second negative plate penetrates through the fixing part and can be screwed to move the rotating part to enable the first negative plate to be in electrical contact with or separated from the second negative plate.

2. The electric toothbrush of claim 1, wherein the rotation shaft of the vibration motor faces the front end of the upper casing, and the rotation shaft is on the same axis as the center line of the upper casing.

3. The powered toothbrush as defined in claim 2, wherein the rotating fitting is an eccentric rotating fitting.