WO2022088571A1

WO2022088571A1 - Toothbrush brush head, toothbrush handle, and electric toothbrush

Info

Publication number: WO2022088571A1
Application number: PCT/CN2021/078943
Authority: WO
Inventors: 何朝阳; 杨磊; 李嘉玮
Original assignee: 常州阿木奇声学科技有限公司
Priority date: 2020-10-27
Filing date: 2021-03-03
Publication date: 2022-05-05
Also published as: CN214967009U

Abstract

Provided are a toothbrush brush head, toothbrush handle, and electric toothbrush. The toothbrush head (1) comprises a brush head body (11), bristles (13), and a motor (12); an accommodating cavity (110) is provided in the brush head body (11), and a brush head connecting part (111) is disposed on the brush head body (11); the motor (12) is disposed in the accommodating cavity (110) of the brush head body (11). The toothbrush handle (2) comprises a handle body (21) and a power supply assembly (22). The electric toothbrush comprises the toothbrush head (1) and the toothbrush handle (2), and the brush head connecting part (111) is separably connected to a handle connecting part (211). The motor (12) is disposed in the toothbrush head (1) and can be replaced with the toothbrush head (1), and has good transmission performance.

Description

Toothbrush heads, toothbrush handles and electric toothbrushes

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application filed on October 27, 2020 with the application number 202022427340.6 and the invention titled "toothbrush head, toothbrush handle and electric toothbrush", the entire contents of which are incorporated herein by reference Applying.

technical field

The utility model relates to the field of toothbrushes, in particular to a toothbrush head, a toothbrush handle and an electric toothbrush.

Background technique

Many electric toothbrushes include a brush head and a handle. An eccentric motor in the handle drives the brush head to move and brush teeth, and the brush head can be replaced. However, the motor ages after long-term use, which reduces the brushing effect.

technical problem

The technical problem to be solved by the present invention is to provide an improved toothbrush head, toothbrush handle and electric toothbrush in view of the above-mentioned defects in the related art.

technical solutions

The technical solution adopted by the utility model to solve the technical problem includes: providing a toothbrush head, including:

The main body of the brush head is provided with an accommodating cavity, and the main body of the brush head is provided with a connecting part of the brush head;

bristles, arranged on the main body of the brush head;

and, a motor, provided in the accommodating cavity of the brush head body;

The brush head connection part is provided with a brush head electrical connection part for electrical connection with external components, and the motor is electrically connected with the brush head electrical connection part to pass through the brush head electrical connection part Power is supplied to the motor, so that the motor drives the brush head of the toothbrush to vibrate back and forth.

Preferably, the motor is a linear motor or a linear vibrator.

Preferably, the brush head connection portion is a connection hole, and the brush head electrical connection portion is provided in the connection hole.

Preferably, the electrical connection portion of the brush head is provided at the bottom of the connection hole.

Preferably, the electrical connection portion of the brush head is a conductive terminal or a socket.

Preferably, the toothbrush head includes a soft brush head waterproof layer covering at least the connection part of the brush head.

Preferably, the brush head body includes a first part and a second part, the first part and the second part are detachably combined, the bristles are provided on the first part, the motor includes a magnet and a The coil corresponding to the magnet, one of the magnet and the coil is provided on the first part, and the other is provided on the second part, so that the coil is in the position of the magnet when energized. Vibration under the action of the magnetic field drives the main body of the brush head to vibrate.

Preferably, the first portion includes a first side, the second portion includes a second side opposite to the first side, and one of the coil and the magnet is provided on the first side, and the other is provided on the first side. The bristles are arranged on the second side, and the bristles are arranged on the opposite side of the first side.

Preferably, the main body of the brush head is provided with a seal for sealing between the first part and the second part.

The technical solution adopted by the present utility model to solve the technical problem includes: providing a toothbrush handle matched with the above-mentioned toothbrush brush head, including:

a handle main body, which is provided with a handle connecting part for connecting with the brush head connecting part, the handle connecting part is provided with a handle electrical connecting part for being electrically connected with the brush head electrical connecting part;

And, a power supply component, the power supply component is arranged in the handle body and is electrically connected with the handle electrical connection portion, so as to transmit power to the outside through the handle electrical connection portion.

Preferably, the toothbrush handle includes a PCB whose output signal power and frequency are adjustable, and the PCB is electrically connected to the handle electrical connection part and the power supply assembly.

Preferably, the handle connecting portion is in the shape of a rod.

Preferably, the toothbrush handle includes a soft handle waterproof layer covering at least the handle connecting portion.

The technical solution adopted by the present invention to solve the technical problem includes: providing an electric toothbrush, comprising the above-mentioned toothbrush brush head and the above-mentioned toothbrush handle, the brush head connecting part is detachably connected with the handle connecting part, so The electric connection part of the brush head is electrically connected with the electric connection part of the handle, so as to supply power to the toothbrush head through the toothbrush handle, so that the motor drives the toothbrush head to vibrate back and forth.

Preferably, the brush head connecting portion is provided with a brush head positioning portion, the handle connecting portion is provided with a handle positioning portion, and the brush head positioning portion and the handle positioning portion are concave and convex to prevent the brush head The connecting portion is dislocated when connecting with the handle connecting portion.

Preferably, the brush head connecting part is covered with a soft brush head waterproof layer, and the handle connecting part is covered with a soft handle waterproof layer matching the brush head waterproof layer, so that the brush head When the connection part is connected to the handle connection part, the brush head waterproof layer is closely attached to the handle waterproof layer to prevent external moisture from contacting the brush head electrical connection part and the handle electrical connection part.

beneficial effect

Implementing the technical scheme of the present invention has at least the following beneficial effects: the toothbrush head can be combined with the toothbrush handle below to form an electric toothbrush, and the motor can be replaced together with the toothbrush head. And the motor is directly arranged in the brush head of the toothbrush, and the transmission effect is better.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present utility model. For some novel embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a perspective view of an electric toothbrush and its brush head and toothbrush handle according to an embodiment of the present invention.

FIG. 2 is an exploded view of the electric toothbrush of FIG. 1 .

FIG. 3 is a plan view of the electric toothbrush of FIG. 1 .

FIG. 4 is a cross-sectional view at position A-A in FIG. 3 .

FIG. 5 is a partial enlarged view of part A in FIG. 4 .

6 is a cross-sectional view of a toothbrush head according to another embodiment of the present invention.

The symbols in the figure represent: toothbrush head 1, main body 11 of the head, accommodating cavity 110, head connecting part 111, head positioning part 1111, electric connection part 112 of the brush head, waterproof layer of the brush head 113, motor 12, bristles 13. Toothbrush handle 2, handle body 21, handle connection part 211, handle positioning part 2111, handle electrical connection part 212, handle waterproof layer 213, power supply assembly 22, PCB 23.

Embodiments of the present invention

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that if "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "bottom", "vertical", "vertical", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, constructed and operated in a specific orientation, only It is for the convenience of describing the technical solution, rather than indicating that the referred device or element must have a specific orientation, so it should not be construed as a limitation of the present invention. It should also be noted that, unless otherwise expressly specified and limited, terms such as "installed", "connected", "connected", "fixed" and "arranged" should be understood in a broad sense, for example, it may be a fixed connection , it can also be detachable connection, or integrated; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element, or one or more intervening elements may also be present. If the terms "first", "second", "third", etc. appear in the text only for the convenience of describing the technical solution, and should not be understood as indicating or implying the relative importance or the number of the indicated technical features, Thus, a feature defined as "first", "second", "third", etc., may expressly or implicitly include one or more of that feature. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and technologies are set forth in order to provide a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

1-5, a toothbrush head 1 in an embodiment of the present invention includes:

The brush head main body 11 is provided with a receiving cavity 110, and the brush head main body 11 is provided with a brush head connecting portion 111;

The bristles 13 are arranged on the main body 11 of the brush head;

And, the motor 12 is arranged in the accommodating cavity 110 of the main body 11 of the brush head;

The brush head connecting portion 111 is provided with a brush head electrical connecting portion 112 for electrical connection with external components. The motor 12 is electrically connected with the brush head electrical connecting portion 112. When the handle connecting portion 211 of the toothbrush handle 2 is connected to the brush head When the connection part 111 is connected, the electric connection part 212 of the handle is connected with the electric connection part 112 of the brush head to supply power to the motor 12 , so that the motor 12 drives the toothbrush head 1 to vibrate back and forth. The toothbrush head 1 can be combined with the toothbrush handle 2 below to form an electric toothbrush, and the motor 12 can be replaced together with the toothbrush head 1 . And the motor 12 is directly arranged in the toothbrush head 1, and the transmission effect is better.

The motor 12 is preferably a linear motor or a linear vibrator, which reciprocates in one direction. A linear motor, also known as a linear motor, is a device that uses the principle of electromagnetic action to directly convert electrical energy into kinetic energy of linear motion.

The brush head connection portion 111 is a connection hole, and the brush head electrical connection portion 112 is provided in the connection hole. The electrical connection portion 112 of the brush head is provided at the bottom of the connection hole. The electrical connection portion 112 of the brush head is a conductive terminal or a socket, and the socket can be a USB socket, such as a USB Type-C socket. The toothbrush head 1 includes a soft brush head waterproof layer 113 covering at least the brush head connecting portion 111 . The brush head waterproof layer 113 may be made of soft plastic, preferably a silicone layer.

6, the brush head body 11 may include a first part 114 and a second part 115, the first part 114 and the second part 115 are detachably combined, the bristles 13 are provided on the first part 114, the motor 12 includes a magnet 121 and a magnet The coil 122 corresponding to 121, one of the magnet 121 and the coil 122 is set on the first part 114, and the other is set on the second part 115, so that the coil 122 vibrates under the action of the magnetic field of the magnet 121 when it is energized, and drives the brush The head body 11 vibrates.

The first portion 114 includes a first side 114a, the second portion 115 includes a second side 115a opposite the first side 114a, one of the coil 122 and the magnet 121 is disposed on the first side 114a and the other is disposed on the second side 115a , the bristles 13 are provided on the opposite side of the first side 114a.

The main body 11 of the brush head is provided with a sealing member 116 for sealing between the first part 114 and the second part 115 , preferably, the sealing member 116 is a sealing ring arranged between the first part 114 and the second part 115 , which can be silicone of.

1-5, the toothbrush handle 2 matched with the above-mentioned toothbrush head 1 according to an embodiment of the present invention includes:

The handle main body 21 is provided with a handle connection portion 211 for connecting with the brush head connection portion 111, and the handle connection portion 211 is provided with a handle electrical connection portion 212 for electrical connection with the brush head electrical connection portion 112, so as to When the brush head connecting portion 111 is connected with the handle connecting portion 211, the brush head electrical connecting portion 112 is connected with the handle electrical connecting portion 212;

And, the power supply component 22 is provided in the handle body 21 and is electrically connected with the handle electrical connection portion 212 to transmit power to the outside through the handle electrical connection portion 212 .

The toothbrush handle 2 can be combined with the above-mentioned toothbrush head 1 to form an electric toothbrush. The combination is realized through the handle connecting portion 211, and the electrical connection portion 212 realizes power transmission, with high reliability.

The toothbrush handle 2 includes a PCB 23 with adjustable output signal power and frequency. The PCB 23 is electrically connected to the handle electrical connection part 212 and the power supply component 22, so as to adjust the power and frequency of the output signal and adjust the vibration amplitude of the toothbrush head 1 and frequency. The output signal of the PCB 23 is an audio signal, and the signal can be any frequency segment or frequency point.

The handle connection portion 211 is in the shape of a rod, and the handle electrical connection portion 212 is provided at the front end of the rod. The toothbrush handle 2 includes a soft handle waterproof layer 213 covering at least the handle connecting portion 211 . The handle waterproof layer 213 can be made of soft plastic, preferably a silicone layer.

1-5, an electric toothbrush according to an embodiment of the present invention includes the above-mentioned toothbrush head 1 and the above-mentioned toothbrush handle 2. The brush head connecting portion 111 is detachably connected to the handle connecting portion 211, and the brush head is electrically connected to the handle connecting portion 211. The sexual connection portion 112 is electrically connected with the handle electrical connection portion 212 to supply power to the toothbrush head 1 through the toothbrush handle 2 , so that the motor 12 drives the toothbrush head 1 to vibrate back and forth. The brush head and handle of the electric toothbrush can be combined and separated, and the motor 12 can be replaced together with the brush head 1 of the toothbrush. And the motor 12 is directly arranged in the toothbrush head 1, and the transmission effect is better.

The brush head connecting portion 111 is provided with a brush head positioning portion 1111, the handle connecting portion 211 is provided with a handle positioning portion 2111, and the brush head positioning portion 1111 and the handle positioning portion 2111 are concave and convex to prevent the brush head connecting portion 111 from being connected to the handle connecting portion. When the 211 is connected, the dislocation connection cannot be connected, which plays a foolproof role.

The brush head connecting part 111 is covered with a soft brush head waterproof layer 113, and the handle connecting part 211 is covered with a soft handle waterproof layer 213 matching the brush head waterproof layer 113, so as to connect the brush head connecting part 111 with the handle When the parts 211 are connected, the brush head waterproof layer 113 is closely attached to the handle waterproof layer 213 to prevent external moisture from contacting the brush head electrical connection part 112 and the handle electrical connection part 212 to play a waterproof role.

The following describes the entire electric toothbrush. The brush head connecting part 111 can be in the shape of a connecting hole, the handle connecting part 211 can be in the shape of a rod, and the shape of the rod can be round, square, etc. in the former. The brush head connecting portion 111 is covered with a brush head waterproof layer 113, and the handle connecting portion 211 is provided with a handle waterproof layer 213. The two waterproof layers can be made of silicone material. When the handle connecting portion 211 is inserted into the brush head connecting portion 111, The brush head waterproof layer 113 and the handle waterproof layer 213 are pressed against each other to play a waterproof role. One of the brush head positioning part 1111 and the handle positioning part 2111 can be a convex rib extending along the depth direction of the connecting hole, while the other can be a groove shape, which is arranged at the front end of the rod-shaped handle connecting part 211. When the handle connecting part 211 is inserted into the brush head connecting part 111, the rib is aligned with the groove, the handle connecting part 211 is smoothly inserted into the brush head connecting part 111, the brush head electrical connecting part 112 is docked with the handle electrical connecting part 212, and the start The power supply assembly 22 of the handle transmits power to the motor 12, and the motor 12 makes the toothbrush head 1 vibrate back and forth to brush teeth. The motor 12 is arranged in the middle of the brush head, and is combined with the main body 11 of the brush head through a processing technology such as injection molding, and the brush head 1 of the toothbrush can be completely replaced.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications, combinations and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

A toothbrush head (1), characterized in that it comprises:

a brush head body (11), wherein a receiving cavity (110) is provided, and a brush head connecting part (111) is provided on the brush head body (11);

bristles (13), provided on the brush head main body (11);

And, a motor (12) is provided in the accommodating cavity (110) of the brush head body (11);

The brush head connecting portion (111) is provided with a brush head electrical connecting portion (112) for electrical connection with external components, and the motor (12) is electrically connected to the brush head electrical connecting portion (112). connected, so as to supply power to the motor (12) through the brush head electrical connection part (112), so that the motor (12) drives the toothbrush brush head (1) to vibrate reciprocally.
The toothbrush head (1) according to claim 1, characterized in that, the motor (12) is a linear motor or a linear vibrator.
The toothbrush head (1) according to claim 1, wherein the brush head connecting portion (111) is a connecting hole, and the brush head electrical connecting portion (112) is provided in the connecting hole.
The toothbrush head (1) according to claim 3, characterized in that, the electric connection part (112) of the brush head is provided at the bottom of the connection hole.
The toothbrush brush head (1) according to claim 1, characterized in that, the brush head electrical connection portion (112) is a conductive terminal or a socket.
The toothbrush head (1) according to claim 1, characterized in that, the toothbrush head (1) comprises a soft brush head waterproof layer (113) covering at least the brush head connecting portion (111). ).
The toothbrush head (1) according to claim 1, wherein the brush head body (11) comprises a first part (114) and a second part (115), the first part (114) and the The second part (115) is detachably combined, the bristles (13) are provided on the first part (114), the motor (12) includes a magnet (121) and a corresponding magnet (121) A coil (122), one of the magnet (121) and the coil (122) is provided on the first part (114) and the other is provided on the second part (115) to When electrified, the coil (122) vibrates under the action of the magnetic field of the magnet (121), which drives the brush head body (11) to vibrate.
The toothbrush head (1) according to claim 7, wherein the first part (114) comprises a first side (114a) and the second part (115) comprises a connection with the first side (114a) ) opposite second side (115a), one of the coil (122) and the magnet (121) is provided on the first side (114a) and the other is provided on the second side (115a) , the bristles (13) are arranged on the opposite side of the first side (114a).
The toothbrush brush head (1) according to claim 7, characterized in that, the brush head body (11) is provided with a seal for sealing between the first part (114) and the second part (115). Seal (116).
A toothbrush handle (2) matching the toothbrush head (1) according to any one of claims 1-9, characterized in that it comprises:

The handle body (21) is provided with a handle connection part (211) for connecting with the brush head connection part (111), and the handle connection part (211) is provided with a brush head electrical connection part (112) an electrically connected handle electrical connection portion (212);

And, a power supply assembly (22), the power supply assembly (22) is provided in the handle body (21) and is electrically connected with the handle electrical connection portion (212) so as to pass through the handle electrical connection portion (212) Outward transmission of electricity.
The toothbrush handle (2) according to claim 10, characterized in that, the toothbrush handle (2) comprises a PCB (23) whose output signal power and frequency are adjustable, and the PCB (23) is electrically connected to the handle The connection part (212) and the power supply component (22) are electrically connected.
The toothbrush handle (2) according to claim 10, characterized in that, the handle connecting portion (211) is rod-shaped.
The toothbrush handle (2) according to claim 10, characterized in that, the toothbrush handle (2) comprises a soft handle waterproof layer (213) covering at least the handle connecting portion (211).
An electric toothbrush, characterized in that it comprises the toothbrush head (1) according to any one of claims 1-9 and the toothbrush handle (2) according to any one of claims 10-13, the brush The head connection part (111) is detachably connected with the handle connection part (211), and the brush head electrical connection part (112) is electrically connected with the handle electrical connection part (212) so as to pass the The toothbrush handle (2) supplies power to the toothbrush head (1), so that the motor (12) drives the toothbrush head (1) to vibrate back and forth.
The electric toothbrush according to claim 14, wherein a brush head positioning portion (1111) is provided on the brush head connecting portion (111), and a handle positioning portion (2111) is provided on the handle connecting portion (211). ), the brush head positioning part (1111) and the handle positioning part (2111) are in concave-convex fit to prevent the brush head connecting part (111) from being dislocated when connecting with the handle connecting part (211).
The electric toothbrush according to claim 14, characterized in that, the brush head connecting part (111) is covered with a soft brush head waterproof layer (113), and the handle connecting part (211) is covered with a soft brush head waterproof layer (113). The brush head waterproof layer (113) is matched with the soft handle waterproof layer (213), so that the brush head waterproof layer (213) is connected to the brush head connection part (111) and the handle connection part (211). (113) is in close contact with the handle waterproof layer (213) to prevent external moisture from contacting the brush head electrical connection portion (112) and the handle electrical connection portion (212).