Electric toothbrush

Abstract

The utility model relates to the technical field of electric toothbrushes, in particular to an electric toothbrush which comprises a brush head assembly and a toothbrush body, the toothbrush body comprises a handle shell, a PCB is arranged in the handle shell, a driving motor is fixedly installed on one side of the PCB, one end of the PCB is fixedly and electrically connected with a charging-wire-free transmitting coil, and the other end of the PCB is fixedly and electrically connected with a power source. The brush head assembly comprises a brush head shell, a toothbrush head, a brush head connecting piece and a charging-wire-free receiving coil are arranged in the brush head shell, and the toothbrush head is composed of bristles, a brush head transparent light guide piece and an FPC lamp panel. According to the electric toothbrush, after the brush head assembly is inserted into the electric toothbrush body through the wireless power connection technology, the switch key is pressed for a long time, the brush head and the body are connected in a wireless conduction electric function mode, an FPC lamp panel in the brush head assembly is turned on for a long time, and then the functions of whitening, sterilizing and disinfecting teeth are achieved by arranging the FPC lamp panel with a red lamp and a blue lamp.

Description

Technical Field

[0001] The utility model relates to the technical field of electric toothbrushes, in particular to an electric toothbrush with whitening and sterilization functions. Background Art

[0002] As a revolutionary product in modern oral care, electric toothbrushes are becoming the preferred choice for those pursuing a healthier lifestyle due to their efficient, convenient, and scientific cleaning methods. Using high-frequency vibration or rotation technology, they penetrate deep between teeth, effectively removing plaque and food debris that traditional toothbrushes struggle to reach, thereby preventing tooth decay and periodontal disease.

[0003] However, the existing electric toothbrush generally only has a cleaning function and has no other functions, and cannot provide daily dental care. Therefore, in order to better meet people's daily needs, the present application provides an electric toothbrush with whitening and sterilization functions. Summary of the Invention

[0004] The main purpose of the utility model is to overcome the deficiencies in the prior art and provide an electric toothbrush.

[0005] The technical solution adopted by the present invention to achieve its technical purpose is: an electric toothbrush, including a brush head assembly and a toothbrush body:

[0006] The toothbrush body includes a handle shell, a PCB board is provided inside the handle shell, a drive motor is fixedly installed on one side of the PCB board, and one end of the PCB board is fixed and electrically connected to a charging line transmitting coil. The drive motor is a vibration overclocking motor, which is used to drive the brush head assembly.

[0007] The brush head assembly includes a brush head shell, and a toothbrush head, a brush head connector and a non-charging wire receiving coil are arranged inside the brush head shell. The non-charging wire receiving coil is fixedly installed at one end of the brush head connector, and the toothbrush head and the brush head connector are fixedly installed inside the brush head shell.

[0008] The toothbrush head consists of bristles, a transparent light guide part of the brush head and an FPC light board; the bristles are fixedly installed on one side of the transparent light guide part of the brush head, and the FPC light board is fixed on the other side of the transparent light guide part of the brush head, and it is also electrically connected to the receiving coil without charging cable; through the setting of the FPC light board and the transparent light guide part of the brush head, the toothbrush head can be illuminated constantly, and then through the light category setting of the FPC light board, the toothbrush head has whitening and sterilization functions.

[0009] The driving shaft of the driving motor is plugged and connected to one end of the brush head connector, and the wireless charging cable transmitting coil and the wireless charging cable receiving coil form a wireless linear connection. When the PCB board is powered on, the FPC light board is always on; the wireless linear connection is formed by the wireless charging cable transmitting coil and the wireless charging cable receiving coil, so that the FPC light board can be powered on and light up, and the brush head assembly can also be easily removed and replaced.

[0010] Preferably, a key switch is fixedly mounted on the PCB board, and the key switch controls the power on or off of the electric toothbrush.

[0011] Preferably, a rechargeable battery is fixedly mounted on the PCB board, and the rechargeable battery supplies power to the electric toothbrush.

[0012] Preferably, a shaped inner shell is fixedly installed inside the handle shell, and one end of the shaped inner shell is snap-connected to a charging base, and the charging base is located inside the handle shell; the charging base is connected to one end of the shaped inner shell using a conventional elastic snap-on connection, and an exposed part of the charging base is located outside the handle shell.

[0013] Preferably, a USB charging port is fixedly provided inside the charging base, and a rubber cap is embedded therein that can hide and shield the port of the USB charging port. The USB charging port is electrically connected to the rechargeable battery, and the rechargeable battery is charged through the USB charging port; the rubber cap is directly plugged into the charging base and can be pulled out by external force. Through the setting of the rubber cap, the USB charging port can be shielded to prevent dust from entering the USB charging port or protect the USB charging port.

[0014] Preferably, the light board is a monochrome light board with a health care function for teeth. By setting the FPC light board as a red light board and a blue light board respectively, it corresponds to the whitening and sterilization functions of teeth.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] This electric toothbrush utilizes wireless power connection technology. After inserting the brush head assembly into the main body of the electric toothbrush, long-pressing the on / off button activates wireless power transmission between the brush head and the main body, causing the FPC light board in the brush head assembly to illuminate continuously. By configuring the FPC light board to illuminate red and blue, the electric toothbrush head lights up red and blue, achieving both teeth whitening and sterilization. This electric toothbrush offers a variety of cleaning modes to meet the personalized needs of different people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of an electric toothbrush.

[0018] Figure 2 This is an exploded view of an electric toothbrush.

[0019] Figure 3 It is a three-dimensional structural diagram of the internal structure of an electric toothbrush.

[0020] Figure 4 This is an exploded view of the internal structure of an electric toothbrush.

[0021] in:

[0022] 1-Handle shell; 2-Button switch; 3-Charging base; 4-Brush head shell; 5-Toothbrush head; 6-Shaped inner shell; 7-PCB board; 8-Rechargeable battery; 9-Drive motor; 10-Transmitting coil without charging cable; 11-Brush head connector; 12-Brush head transparent light guide; 13-FPC light board; 14-Receiving coil without charging cable. DETAILED DESCRIPTION

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like indicate positions or locations based on the positions shown in the accompanying drawings, or the positions or locations in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0025] To make the objectives, technical solutions, and advantages of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and technologies are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention. Example 1

[0026] See also Figure 1-4 , an electric toothbrush, comprising a brush head assembly and a toothbrush body:

[0027] The toothbrush body includes a handle housing 1, which houses a PCB 7. A drive motor 9 is fixedly mounted on one side of the PCB 7, and one end of the PCB 7 is fixedly and electrically connected to a charging cable transmitter coil 10. The drive motor 9 is a vibrating, overclocked motor that drives the brush head assembly. A key switch 2 is fixedly mounted on the PCB 7, which powers the electric toothbrush on and off. A rechargeable battery 8 is also fixedly mounted on the PCB 7, which provides power to the electric toothbrush.

[0028] A plastic inner shell 6 is fixedly installed inside the handle shell 1, and one end of the plastic inner shell 6 is snap-connected to the charging base 3, which is located inside the handle shell 1; the charging base 3 is connected to one end of the plastic inner shell 6 using a conventional elastic snap, and an exposed part of the charging base 3 is located outside the handle shell 1.

[0029] A USB charging port is fixedly provided inside the charging base 3, and a rubber cap is embedded in it to hide and shield the port of the USB charging port. The USB charging port is electrically connected to the rechargeable battery 8, and the rechargeable battery 8 is charged through the USB charging port; the rubber cap is directly plugged into the charging base 3 and can be pulled out by external force. Through the setting of the rubber cap, it can shield the USB charging port to prevent dust from entering the USB charging port or protect the USB charging port.

[0030] It should be pointed out that the plastic inner shell 6 is arranged to fit the inner wall of the handle shell 1, and the above-mentioned components are all arranged inside the plastic inner shell 6, and are fixed in the handle shell 1 through one end of the charging base 3, so that the position of the plastic inner shell 6 is fixed, and the above-mentioned components are all located inside the handle shell 1 and the plastic inner shell 6.

[0031] The brush head assembly includes a brush head shell 4, and the interior of the brush head shell 4 is provided with a toothbrush head 5, a brush head connector 11 and a charging wire-free receiving coil 14. The charging wire-free receiving coil 14 is fixedly installed at one end of the brush head connector 11, and the toothbrush head 5 and the brush head connector 11 are fixedly installed inside the brush head shell 4.

[0032] The toothbrush head 5 consists of bristles, a brush head transparent light guide 12 and an FPC light board 13; the bristles are fixedly installed on one side of the brush head transparent light guide 12, and the FPC light board 13 is fixed on the other side of the brush head transparent light guide 12, and it is also electrically connected to the charging line-free receiving coil 14; through the setting of the FPC light board 13 and the brush head transparent light guide 12, the toothbrush head 5 can be illuminated constantly, and then through the light category setting of the FPC light board 13, the toothbrush head 5 has whitening and sterilization functions.

[0033] The driving shaft of the driving motor 9 is plugged and connected to one end of the brush head connector 11, and the wireless charging line transmitting coil 10 and the wireless charging line receiving coil 14 form a wireless linear connection. When the PCB board 7 is powered on, the FPC light board 13 is always on; the wireless charging line transmitting coil 10 and the wireless charging line receiving coil 14 form a wireless linear connection, so that the FPC light board 13 can be powered on and light up, and the brush head assembly can also be easily removed and replaced.

[0034] The FPC light board 13 is a single-color light board with a health-care function for teeth. By setting the FPC light board 13 as a red light board and a blue light board respectively, it corresponds to the whitening and sterilization functions for teeth.

[0035] The FPC light board 13 works by applying red light (620-700nm) to teeth, stimulating fluorescent substances in tooth enamel and catalyzing the decomposition of hydrogen peroxide, achieving a whitening effect. It also promotes tooth circulation, increases tooth disease resistance, and has anti-inflammatory and analgesic properties. Blue light sterilization utilizes ultraviolet radiation of a specific wavelength to destroy the DNA and RNA structures of bacteria and viruses, achieving a sterilizing effect. Blue light, with a wavelength between 400-420nm, is effective in killing a wide range of bacteria and viruses, including E. coli, Staphylococcus aureus, and influenza A virus.

[0036] Specifically, when in use, a toothbrush body is equipped with two separate brush head assemblies, one brush head assembly uses a red light board, and the other brush head assembly uses a blue light board, so that different brush head assemblies can be selected to be connected to the toothbrush body according to different needs, that is, different FPC light boards 13 can be selected for brushing;

[0037] The brush head assembly can be plugged and unplugged with the drive shaft of the drive motor 9 inside the handle shell 1 through the brush head connector 11. Through the setting of the FPC light board 13 and the wireless linear connection formed by the non-charging cable transmitting coil 10 and the non-charging cable receiving coil 14, the FPC light board 13 can be powered and illuminated normally.

[0038] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection of the present utility model. Therefore, based on the innovative concept of the present utility model, changes and modifications to the embodiments described herein, or equivalent structures, equivalent processes, or equivalent functional transformations made using the contents of the present utility model specification and drawings, and direct or indirect application of the above technical solutions to other related technical fields, are all included in the scope of protection of the present utility model patent.

Claims

1. An electric toothbrush comprising a brush head assembly and a toothbrush body, characterized in that: The toothbrush body comprises a handle shell (1), a PCB board (7) is provided inside the handle shell (1), a driving motor (9) is fixedly mounted on one side of the PCB board (7), and one end of the PCB board (7) is fixedly and electrically connected to a charging line transmitting coil (10); The brush head assembly comprises a brush head shell (4), wherein a toothbrush head (5), a brush head connector (11) and a non-charging wire receiving coil (14) are provided inside the brush head shell (4), and the non-charging wire receiving coil (14) is fixedly mounted on one end of the brush head connector (11); The toothbrush head (5) is composed of bristles, a brush head transparent light guide (12) and an FPC light board (13); the bristles are fixedly mounted on one side of the brush head transparent light guide (12), and the FPC light board (13) is fixed on the other side of the brush head transparent light guide (12), and is also electrically connected to the charging line-free receiving coil (14); The driving shaft of the driving motor (9) is plug-in connected to one end of the brush head connector (11), the non-charging wire transmitting coil (10) and the non-charging wire receiving coil (14) form a wireless linear connection, and when the PCB board (7) is powered on, the FPC light board (13) is always on.

2. An electric toothbrush according to claim 1, characterized in that: A key switch (2) is fixedly mounted on the PCB board (7), and the key switch (2) controls the power on or off of the electric toothbrush.

3. The electric toothbrush according to claim 1, characterized in that: A rechargeable battery (8) is also fixedly mounted on the PCB board (7), and the rechargeable battery (8) supplies power to the electric toothbrush.

4. The electric toothbrush according to claim 1, characterized in that: A shaped inner shell (6) is fixedly mounted inside the handle shell (1), and one end of the shaped inner shell (6) is snap-connected to a charging base (3), and the charging base (3) is located inside the handle shell (1).

5. An electric toothbrush according to claim 4, characterized in that: The charging base (3) is fixedly provided with a USB charging port inside, and is embedded with a rubber cap capable of hiding and shielding the port of the USB charging port. The USB charging port is electrically connected to the rechargeable battery (8), and the rechargeable battery (8) is charged through the USB charging port.

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