CN216535623U

CN216535623U - Function mode change-over switch of electric toothbrush

Info

Publication number: CN216535623U
Application number: CN202123447843.0U
Authority: CN
Inventors: 陈敏珊; 黄永胜; 郭永辉; 祝智胜
Original assignee: Guangzhou Shuke Industrial Co ltd
Current assignee: Guangzhou Shuke Industrial Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-17
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a functional mode change-over switch of an electric toothbrush, which comprises a shell, a motor, a pressure-sensitive element and a main control circuit board, wherein the motor is provided with an output shaft, the output shaft extends out of the shell from one side of the shell, a section of the output shaft in the shell is provided with a mounting position, the pressure-sensitive element is mounted on the mounting position, and the output shaft extending out of the shell is pressed to enable the pressure-sensitive element to generate a sensing signal; the pressure sensing element is electrically connected with the main control circuit board, the output shaft is pressed from one side to enable the pressure sensing element to sense and generate a sensing signal as a switching signal, and the main control circuit board receives the switching signal and then controls the electric toothbrush to switch a functional mode. The electric toothbrush of the application does not need to be provided with a key, and the selection and the switching of the functional modes can be completed by pressing the output shaft of the electric toothbrush main body.

Description

Function mode change-over switch of electric toothbrush

Technical Field

The utility model relates to the field of electric toothbrushes, in particular to a functional mode change-over switch of an electric toothbrush.

Background

An electric toothbrush is a cleaning device which utilizes a high-speed vibrating motor to drive a brush head to rotate or vibrate so as to achieve the effect of cleaning teeth. The high-frequency vibration or rotation of the brush head can instantly decompose the toothpaste into fine foam, the fine foam penetrates into the slits of teeth to clean the slits of teeth, and the vibration of the bristles can promote the blood circulation of the oral cavity, thereby having the massage effect which is not achieved by the toothpaste. Compared with the traditional toothbrush, the electric toothbrush can more thoroughly remove dental plaque, reduce oral diseases such as gingivitis, periodontal disease and gingival bleeding, and is more and more popular with consumers.

Electric toothbrush has higher waterproof demand, and the selection of switch and functional mode is accomplished through the button to present electric toothbrush most, consequently need set up waterproof construction for the button on the electric toothbrush, generally adopts the sealing washer to form waterproof construction, but the waterproof construction of sealing washer has the easy ageing defect.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a function mode selector switch for an electric toothbrush, which can select and switch a function mode by pressing an output shaft of a main body of the electric toothbrush without providing a button.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a functional mode change-over switch of an electric toothbrush comprises a shell, a motor, a pressure sensing element and a main control circuit board, wherein the motor is provided with an output shaft, the output shaft extends out of the shell from one side of the shell, an installation position is arranged on one section of the output shaft in the shell, the pressure sensing element is installed on the installation position, and the pressure sensing element is used for generating a sensing signal in a sensing way after the output shaft extending out of the shell is pressed; the pressure sensing element is electrically connected with the main control circuit board, the output shaft is pressed from one side to enable the pressure sensing element to sense and generate a sensing signal to be a switching signal, and the main control circuit board receives the switching signal and then controls the electric toothbrush to select and switch the functional mode.

According to the utility model provides an electric toothbrush's functional mode change over switch, utilize the output shaft and install the cooperation of the pressure sensing component on the output shaft and produce switching signal transmission and give the main control circuit board, select and switch this electric toothbrush's functional mode under the control of main control circuit board, make the electric toothbrush of this application need not to set up the button structure on the casing and switch functional mode, be favorable to keeping the integrality of casing, reduce the leak source that the casing leaked, the electric toothbrush that simultaneously can also cooperate no button to start realizes totally not having the entity button, make electric toothbrush more intelligent, and can further reduce the leak source that the casing leaked.

The toothbrush further comprises a toothbrush head, wherein the toothbrush head is inserted on an output shaft extending out of the shell, and the insertion direction is only; the brush head comprises a brush body and brush bristles which are arranged on the brush body, and the switching signal is a sensing signal which is transmitted to the output shaft from one side of the brush body in a pressing mode and is generated by the pressure sensing element in a sensing mode. The brush head is inserted on the output shaft, a user presses the brush head, the deformation of a rod body formed by the brush head and the output shaft is transmitted to the installation position, the pressure sensing element on the installation position senses pressure change, so that a switching signal is generated, the insertion direction of the brush head and the output shaft is unique, and the signal generated by pressing one side of the brush body is defined as the switching signal, so that the user can press conveniently.

And the main control circuit board is used for distinguishing switching signals by defining the sensing signals generated by the pressure sensing elements as positive when the brush body is pressed from one side and defining the sensing signals generated by the pressure sensing elements as negative when the brush body is pressed from one side. The main control circuit board can distinguish the sensing signals generated by the pressure sensing element conveniently, so that the switching signals can be distinguished correspondingly.

Furthermore, the tail end of the output shaft is a D-shaped shaft, and the brush body is provided with a D-shaped hole for the brush head to be inserted on the output shaft in the only insertion direction. The D-shaped shaft is matched with the D-shaped hole, so that the inserting direction of the brush head and the output shaft is unique.

Still further, the installation position is arranged on the output shaft at one side of the brush hair. The pressure-sensitive element is convenient to sense the pressure deformation applied from one side of the brush body.

Still further, the installation position is provided with a notch at a position corresponding to the position where the pressure-sensitive element is installed. The notch is convenient for forming stress concentration when being pressed, so that the pressure sensing element can more easily sense deformation to generate signals.

Still further, the pressure sensing element comprises a hard substrate and a pressure sensing chip mounted on the hard substrate. The pressure sensitive element adopting the hard substrate has higher induction precision.

Still further, still include reminding device, reminding device sends the warning signal of reminding at switching function mode. The reminding device can send out reminding signals when the user switches the modes, and the reminding device prompts the change of the modes and the current mode for the user.

Still further, still include the sealing member, one side of casing is equipped with the opening, the sealing member cup joints on the output shaft, seal the output shaft with the opening.

And the main control circuit board comprises a main control module and a mode switching module, and the main control module receives the switching signal and controls the mode switching module to select and switch the functional mode.

Drawings

FIG. 1 is a cross-sectional view of the powered toothbrush of the present invention;

fig. 2 is an exploded view of the electric toothbrush of the present invention.

Detailed Description

A function mode changeover switch of an electric toothbrush according to the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1 and 2, the function mode switch of an electric toothbrush includes a housing 1, a motor 2, a pressure sensing element 5 and a main control circuit board 4, wherein the motor 2 is provided with an output shaft 21, the output shaft 21 extends out of the housing 1 from one side of the housing 1, a mounting position 211 is provided on one section of the output shaft 21 in the housing 1, the pressure sensing element 5 is mounted on the mounting position 211, and the output shaft 21 extending out of the housing 1 is pressed to enable the pressure sensing element 5 to generate a sensing signal in a sensing manner, as shown in fig. 1, the function mode switch further includes a sealing member 11, one side of the housing 1 is provided with an opening, the sealing member 11 is sleeved on the output shaft 21 to seal the output shaft 21 and the opening, so that the opening can keep sealed and protect the pressure sensing element 5 and other electrical components in the opening; pressure sensing element 5 is connected with main control circuit board 4 electricity, and the definition is pressed output shaft 21 from one side and is made pressure sensing element 5 response produce the inductive signal for switching signal, main control circuit board 4 receives control electric toothbrush carries out the selection and the switching of functional mode behind the switching signal for the electric toothbrush of this application need not to set up button structure on casing 1 and switches functional mode, is favorable to keeping the integrality of casing 1, reduces the leak source of casing 1 hourglass water.

The main control circuit board 4 comprises a main control module and a mode switching module, and the main control module receives the switching signal and controls the mode switching module to select and switch the functional mode. The modules are only divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be realized.

As shown in the figure, the toothbrush further comprises a toothbrush head 3, wherein the toothbrush head 3 is inserted on an output shaft 21 extending out of the shell 1, and the insertion direction is only; the brush head 3 includes a brush body 31 and bristles 32 attached to the brush body 31, and the switching signal is a sensing signal that is transmitted from the side of the brush body 31 to the output shaft 21 by being pressed, and is sensed by the pressure sensing element 5. The brush head 3 is inserted on the output shaft 21, a user presses the brush head 3, the brush head 3 and the output shaft 21 are inserted to form a rod body, deformation is transmitted to the installation position 211, the pressure sensing element 5 on the installation position 211 senses pressure change due to the deformation, and therefore the switching signal is generated, the insertion direction of the brush head 3 and the output shaft 21 is unique, and the signal generated by pressing from one side of the brush body 31 is defined as the switching signal, and the user can press conveniently.

In order to distinguish the sensing signals generated by the pressure sensing element 5 and rapidly distinguish the switching signals by the main control circuit board 4, the sensing signals generated by the pressure sensing element 5 by pressing from the brush body 31 side are defined as positive, and the sensing signals generated by the pressure sensing element 5 by pressing from the brush bristles 32 side are defined as negative, so that the main control circuit board 4 can distinguish the switching signals.

The tail end of the output shaft 21 is provided with a D-shaped shaft 212, the brush body 31 is provided with a D-shaped hole, the D-shaped shaft 212 is matched with the D-shaped hole to enable the brush head 3 to be inserted on the output shaft 21 in the only inserting direction, and the D-shaped hole is formed in the brush body 31.

As shown, the mounting position 211 is provided on the output shaft 21 on one side of the brush bristles 32 in the embodiment of the present application. The pressure-sensitive element 5 is facilitated to sense the deformation of the pressure applied from the brush body 31 side.

The mounting position 211 is provided with a notch at a position corresponding to the position where the pressure-sensitive element 5 is mounted. The notch facilitates the formation of stress concentration when being pressed, so that the pressure sensing element 5 can more easily sense the deformation to generate signals. The pressure sensing element 5 includes a hard substrate and a pressure sensing chip mounted on the hard substrate. The pressure sensitive element 5 using the hard substrate has higher sensing accuracy.

The reminding device is used for sending reminding signals when the functional mode is switched. Preferably, the reminding device is a display device, a display area for the display device to display is arranged on the shell 1, and the display device sends out a reminding display signal when the user switches the function mode. Preferably, the reminding device is a sound generating device, and the display device generates a reminding sound signal when the user switches the function mode. Preferably, the reminding device is a lighting device, and the display device sends out a reminding lighting signal in the user switching function mode.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A functional mode change-over switch of an electric toothbrush is characterized by comprising a shell, a motor, a pressure sensing element and a main control circuit board, wherein the motor is provided with an output shaft, the output shaft extends out of the shell from one side of the shell, a mounting position is arranged on one section of the output shaft in the shell, the pressure sensing element is mounted on the mounting position, and the pressure sensing element is used for generating a sensing signal in a sensing way after the output shaft extending out of the shell is pressed; the pressure sensing element is electrically connected with the main control circuit board, the output shaft is pressed from one side to enable the pressure sensing element to sense and generate a sensing signal to be a switching signal, and the main control circuit board receives the switching signal and then controls the electric toothbrush to select and switch the functional mode.

2. The functional mode switch of an electric toothbrush according to claim 1, further comprising a brush head, wherein the brush head is inserted into the output shaft extending out of the housing, and the insertion direction is unique; the brush head comprises a brush body and brush bristles which are arranged on the brush body, and the switching signal is a sensing signal which is transmitted to the output shaft from one side of the brush body in a pressing mode and is generated by the pressure sensing element in a sensing mode.

3. The switch of claim 2, wherein the main control circuit board distinguishes the switching signal by defining the sensing signal generated by the pressure sensing element as positive when the main control circuit board is pressed from the brush body side and defining the sensing signal generated by the pressure sensing element as negative when the brush body side is pressed from the brush bristle side.

4. The switch of claim 2, wherein the output shaft has a D-shaped end, and the brush body has a D-shaped hole for allowing the brush head to be inserted into the output shaft in a single insertion direction.

5. The functional mode switch of an electric toothbrush according to claim 2, wherein the mounting portion is provided on an output shaft on a side of the brush.

6. The function mode changeover switch for an electric toothbrush according to claim 1 or 5, wherein the mounting portion is provided with a notch at a position corresponding to a position where the pressure-sensitive element is mounted.

7. The functional mode switch of an electric toothbrush according to claim 6, wherein the pressure sensing element comprises a rigid substrate and a pressure sensing chip mounted on the rigid substrate.

8. The switch for switching the functional modes of an electric toothbrush according to claim 1, further comprising a reminder, wherein the reminder sends out a reminder signal for reminding when the functional mode is switched.

9. The switch of claim 1, further comprising a sealing member, wherein an opening is formed at one side of the housing, and the sealing member is sleeved on the output shaft to seal the output shaft and the opening.

10. The switch of claim 1, wherein the main control circuit board comprises a main control module and a mode switching module, and the main control module receives the switching signal and controls the mode switching module to select and switch the functional mode.