CN111388122A

CN111388122A - Electric tooth brush

Info

Publication number: CN111388122A
Application number: CN202010334207.8A
Authority: CN
Inventors: 郭建刚; 何家盛; 江峰
Original assignee: Guangdong Baishengtu Technology Co Ltd
Current assignee: Guangdong Baishengtu Technology Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-07-10

Abstract

The present invention relates to an electric toothbrush. The electric toothbrush includes the handle and installs in the brush head of handle one end, this electric toothbrush still includes: a first conductive member provided on an outer surface of the handle; a second conductive member provided on the brush head and capable of contacting the oral cavity; and the control device comprises a circuit board, the circuit board is arranged in the handle, and a conductive contact for connecting or disconnecting the first conductive part and the second conductive part is arranged on the circuit board. According to the invention, when a user holds the handle to contact with the first conductive part and the second conductive part extends into the oral cavity or contacts with teeth, a closed loop can be formed by the handle, the brush head, the oral cavity and a human body, and the teeth can be cleaned after the circuit is electrified; after the brush head leaves the oral cavity, the circuit can be disconnected, the toothbrush stops working, the splashing of toothpaste water or foam can be effectively avoided, and the user experience is improved; the toothbrush can be effectively controlled through the conductive contact and the service life of the toothbrush is guaranteed.

Description

Electric tooth brush

Technical Field

The invention relates to the technical field of toothbrushes, in particular to an electric toothbrush.

Background

The brush head of the existing electric toothbrush is generally not conductive, the high-frequency vibration of the brush head is driven by the vibration of the motor, the toothpaste is instantly decomposed into fine foam, the tooth brushing action is realized, the brush head is in a continuous vibration state during tooth brushing, toothpaste water or toothpaste foam enters and exits the cavity, the toothpaste water or the toothpaste foam is easily splashed out of the outlet, and the user experience is poor.

Chinese patent application publication No. CN107928827A discloses an electric toothbrush in which a motor vibrates to brush teeth, and when brushing teeth, the brush head vibrates even if the brush head is away from the oral cavity, so that toothpaste water or toothpaste foam is easily splashed.

Disclosure of Invention

In view of the above problems in the prior art, the present invention is directed to an electric toothbrush, which can effectively improve the problem of splashing of toothpaste or foam, and can better clean and sterilize teeth, thereby improving the user experience.

In order to achieve the above object, the present invention provides an electric toothbrush comprising a handle and a brush head mounted at one end of the handle, the electric toothbrush further comprising:

a first conductive member provided on an outer surface of the handle;

a second conductive member provided on the brush head and capable of contacting the oral cavity;

and the control device comprises a circuit board, the circuit board is arranged in the handle, and a conductive contact for connecting or disconnecting the first conductive part and the second conductive part is arranged on the circuit board.

According to the electric toothbrush provided by the embodiment of the invention, when a user holds the handle and contacts with the first conductive part, the second conductive part extends into the oral cavity or contacts with teeth, and the first conductive part and the second conductive part are connected, the handle, the brush head, the oral cavity and a human body can form a closed loop, and after a circuit is electrified, medicinal ingredients in toothpaste can enter the surfaces of the teeth or gums under the action of current to clean the teeth; after the brush head leaves the oral cavity, the circuit is disconnected, and the brush head stops working when in a static state, so that the splashing of toothpaste water or foam can be effectively avoided; meanwhile, the brush head is electrified to promote the ionization absorption of the medicinal components in the toothpaste, thereby achieving good tooth cleaning and sterilizing effects. In addition, connect or break off first conductive part and second conductive part through the electrically conductive contact point that sets up on the circuit board, can carry out effective control to electric toothbrush's work, prevent that the brush head from contacting other conductive parts and starting, cause the damage to electric toothbrush, guarantee electric toothbrush's life.

In some embodiments, the conductive contacts include a first conductive contact for connecting or disconnecting with the first conductive member and a second conductive contact for connecting or disconnecting with the second conductive member to make or break the first conductive member and the second conductive member. The first conductive part and the second conductive part are respectively connected through the first conductive contact and the second conductive contact, so that the structure is reasonable, and the first conductive part and the second conductive part can be conveniently connected or disconnected.

In some embodiments, the first conductive part is plate-shaped or sheet-shaped and is attached to the outer surface of the handle. The first conductive part is arranged to be plate-shaped or sheet-shaped and is attached to and fixed on the outer surface of the handle, so that the hand can be conveniently contacted with the first conductive part, the sensitivity of the electric toothbrush is improved, and the operation is convenient.

In some embodiments, the brush head comprises a bristle portion and a connecting portion for connection to the handle, the second conductive element being disposed around an outer surface of a rim of the bristle portion and extending into the connecting portion. The second conductive part surrounds the surface setting of brush hair portion for the brush head stretches into the oral cavity and can provide electric current, improves the sensitivity to conduct electricity, simultaneously, can provide sufficient electric current for the brush head in the second conductive part extends to the connecting portion of brush head, so that toothpaste dissolves fast cleans.

In some embodiments, the first conductive component is made of a metal material, an electroplating material or conductive fibers, so that the conductive performance is good; the first conductive part is made of conductive fibers, the conductive fibers are good in conductive performance and durable in antistatic property, and the toothbrush is not affected by conditions of temperature and humidity in the oral cavity and can improve the tooth brushing effect.

In some embodiments, the first and second conductive contacts are both metal conductive contacts having elasticity. The elastic metal conductive contact is sensitive and reliable in contact, stable electrifying current can be provided, the working continuity of the brush head is guaranteed, the current is prevented from being uneven to damage teeth, and the teeth are protected.

In some embodiments, the electric toothbrush further comprises a drive device mounted in the handle, the drive device being connected to the brush head and electrically connected to the circuit board. The brush head can be directly driven to vibrate through the action of the driving device to clean teeth, so that the use requirements of users in an electric mode are met, and the application range of products is expanded.

In some embodiments, the driving device is a conductor, the first conductive component is connected with one end of the driving device, the second conductive component is connected with the other end of the driving device, and a third conductive contact is arranged on the circuit board and used for being connected with or disconnected from one of the first conductive component, the second conductive component and the driving device so as to enable the first conductive component and the second conductive component to be connected or disconnected. The driving device is a conductor, the first conductive part and the second conductive part can be connected through the driving device to realize an ion mode, meanwhile, the brush head can be driven by the driving device to vibrate to realize an electric mode, the structure is reasonable, the arrangement of other parts can be reduced, and the cost is reduced.

In some embodiments, the second conducting part is disposed around the outer surface of the head and extends into the head, the second conducting part being located in the head and connected to the output shaft of the drive means. Through the matching of the groove of the second conductive part and the output shaft of the driving device, the driving device and the brush head can be reliably connected, and the electric mode and the ion mode can be realized.

In some embodiments, the control device further comprises a switch button mounted to the handle, the switch button being in electrical communication with the circuit board, the switch button comprising an ion mode button and a power mode button, the ion mode button for controlling the turning on or off of the first and second conductive members; the electric mode button is used for controlling the action of the driving device. The electric toothbrush can be accurately controlled by arranging the switch button, and the operation is convenient. In addition, the ion mode button can prevent the brush head from being connected with other conductive parts for starting, damage to the electric toothbrush is caused, and the service life of the electric toothbrush is prolonged.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the inventive embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

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

FIG. 2 is a top plan view of the electric toothbrush of the present embodiment;

FIG. 3 is a side view of an electric toothbrush according to an embodiment of the present invention;

FIG. 4 is a schematic view showing the internal structure of the electric toothbrush according to the embodiment of the present invention;

FIG. 5 is a schematic view showing another direction of the internal structure of the electric toothbrush according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a control device according to an embodiment of the present invention.

Reference numerals:

1-a handle; 2-brush head, 21-bristle part, 22-connecting part, 23-bristle; 31-first conductive means, 311-first electrode, 32-second conductive means, 321-second electrode, 322-first conductive means, 323-second conductive means, 324-groove, 33-third conductive means;

41-circuit board, 42-switch button, 421-power button, 422-ion mode button, 423-electric mode button; 5-driving device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.

Fig. 1 to 6 are views showing the construction of an electric toothbrush according to an embodiment of the present invention. As shown in fig. 1 to 6, the embodiment of the present invention provides an electric toothbrush, including a handle 1 and a brush head 2 mounted at one end of the handle 1, the electric toothbrush further including:

a first conductive member 31 provided on an outer surface of the handle 1;

a second conductive member 32 provided on the head 2 and capable of contacting the oral cavity;

and the control device comprises a circuit board 41, wherein the circuit board 41 is installed in the handle 1, and the circuit board 41 is provided with a conductive contact for connecting or disconnecting the first conductive part 31 and the second conductive part 32.

Specifically, the conductive contacts include a first conductive contact for connecting or disconnecting with the first conductive member 31 and a second conductive contact for connecting or disconnecting with the second conductive member 32 to make or break the first conductive member 31 and the second conductive member 32.

When a user holds the handle 1 by hand and contacts with the first conductive part 31, the second conductive part 32 extends into the oral cavity or contacts with teeth, the first conductive contact is connected with the first electrode 311 of the first conductive part 31, and the second conductive contact is connected with the second electrode 321 of the second conductive part 32, the first conductive part 31 and the second conductive part 32 are connected, the handle 1, the brush head 2, the teeth and the human body form a closed conductive loop, after the circuit board 41 is electrified, the closed conductive loop generates current, and medicinal components in the toothpaste enter the surfaces of the teeth or the gums and the like through the action of the current to clean, sterilize and disinfect the teeth. After the brush head 2 leaves the oral cavity, the conductive loop is disconnected, and the brush head 2 stops working, so that the toothpaste water or foam can be effectively prevented from splashing; meanwhile, the brush head 2 is electrified to promote the ionization absorption of the medicinal components in the toothpaste, thereby achieving good tooth cleaning and sterilizing effects.

In the embodiment of the invention, the first conductive part 31 and the second conductive part 32 are connected or disconnected through the conductive contact arranged on the circuit board 41, so that the operation of the electric toothbrush can be effectively controlled while teeth are cleaned, the brush head 2 is prevented from being started by contacting other conductive parts, the electric toothbrush is prevented from being damaged, and the service life of the electric toothbrush is ensured. The circuit board 41 is a PCB circuit board on which electrical components are mounted. The first conductive contact and the second conductive contact are respectively connected with two electric poles of a power supply to form a closed conductive loop.

In this embodiment, the first conductive contact and the second conductive contact are both elastic metal conductive contacts, such as conductive elastic pieces or conductive spring pieces, one end of each metal conductive contact is connected with the conductive component, and the other end is a free end, and has an elastic contact point capable of being connected with or disconnected from an electrical component on the circuit board 41, so that the first conductive component 31 and the second conductive component 32 are connected or disconnected. The adoption has elastic metal conductive contact, and the contact is sensitive, reliable, can provide stable circular telegram electric current, guarantees the continuity of brush head 2 work, prevents that the current inequality from causing the damage to the tooth, protection tooth.

In other embodiments, the first conductive contact and the second conductive contact may also be flexible elastic conductors, such as elastic rubber strips, one end of the conductive contact is fixedly connected to the conductive component, and the other end of the conductive contact is a free end, which can be connected to or disconnected from an electrical component on the circuit board 41 by expansion, so that the first conductive component 31 and the second conductive component 32 can be connected or disconnected, and the contact is sensitive and the connection is reliable. The specific structure of the first conductive contact and the second conductive contact is not particularly limited in the present invention, as long as one end thereof is connected to the conductive member and the other end thereof is selectively connected to and disconnected from the electrical component on the circuit board 41.

For holding, the handle 1 is a rod-shaped structure, and at least a portion near the brush head 2 is a hollow structure for accommodating and mounting the circuit board 41.

In some embodiments, as shown in fig. 1 to 5, the first conductive member 31 is a plate-shaped or sheet-shaped conductive strip, and is attached to the outer surface of the handle 1.

Alternatively, the conductive strips are arranged along the length of the handle 1 to allow a user to conveniently contact the first conductive member 31 when holding the handle 1. In other embodiments, the conductive strips may have any other shape and may be arranged in any direction along the handle 1, as long as it is convenient for the user to contact the first conductive member 31 with high probability. For example, the conductive strip may be provided in the shape of a ring, fitting against an annular outer surface of the grip portion provided to the handle 1.

Further, the material of the first conductive member 31 may be a metal material, a plating material, a conductive fiber, or the like, and the present invention is not particularly limited. The conductive fiber can be a hard material or a soft material such as conductive stainless steel fiber, carbon fiber or conductive silica gel. For example, the conducting strip can be conducting strip, when being convenient for with 1 laminating of handle fixed, feel when can prevent that the user from gripping handle 1 and catching a cold, convenience of customers grips and contacts with first conductive part 31. Particularly for children, the handle 1 is difficult to grip to form a conductive circuit because of the cool feeling when touching the metal conductive member.

In addition, when the first conductive part 31 made of the metal material is adopted, the metal is smooth, and the user cannot hold and contact the first conductive part conveniently, so that a plurality of salient points can be arranged on the surface of the first conductive part 31, the electric toothbrush is convenient to hold, and the appearance of the electric toothbrush is attractive.

The first conductive member 31 may be attached and fixed to the outer surface of the handle 1 by means of adhesion or welding. In some embodiments, a concave groove may be provided on the outer surface of the handle 1, and the first conductive member 31 may be embedded therein to prevent its detachment.

In the present embodiment, as shown in fig. 1 to 3, the first conductive member 31 is provided on the lower surface of the handle 1 facing the user. In some embodiments, the first conductive part 31 may also be provided on the upper and lower surfaces of the handle 1, respectively, to allow the user to better contact the first conductive part 31 while providing sufficient energizing current to better achieve the cleaning effect of the brush head 2. The first conductive member 31 may be provided on the side surface of the handle 1 for the convenience of users with different hand-holding postures.

In this embodiment, brush head 2 and handle 1 are split type structure, and brush head 2 detachably installs in the one end of handle 1, only need change during the change brush head 2 can, can effectively reduce the use cost of toothbrush.

As shown in fig. 1 to 5, the brush head 2 includes a bristle part 21 and a connecting part 22 for connecting with the handle 1, the bristle part 21 is ring-shaped, the bristle part 21 has a ring-shaped (e.g., oval) bristle-implanting groove for mounting the bristles 23, and the bristles 23 are implanted in the bristle-implanting groove.

In some embodiments, as shown in fig. 1 to 5, the second conductive part 32 is disposed around the outer surface of the bristle part 21 and extends into the connecting part 22, and the second conductive part 32 includes a first conductive part 322 disposed around the outer surface of the bristle part 21 and a second conductive part 323 extending into the connecting part 22 and connected to the second conductive contact of the circuit board 41.

In this embodiment, the first conductive part 322 is disposed around the outer surface of the annular edge of the bristle part 21, so that the brush head 2 can provide a conductive current when extending into the oral cavity, which can improve the conductive sensitivity and provide a sufficient conductive current for the vibration of the brush head 2; extending second conductive element 32 into connecting portion 22 may increase the length of second conductive element 32 and may allow the dimensions of second conductive element 32 within connecting portion 22 to be set larger (e.g., thickness) to provide more conductive current for rapid dissolution of the dentifrice for tooth cleaning.

Further, the first conductive portion 322 is a sheet structure and is attached to the outer surface of the bristle portion 21; the second conductive part 323 is a column or block structure, and may be attached to the inner wall of the connecting part 22, or may be fixed in the connecting part 22 by a connector so as to be connected to a second conductive contact in the handle 1.

In other embodiments, the second conductive part 32 may also extend from the outer surface of the annular edge of the bristle part 21 to the upper surface (the surface provided with the bristle grooves) and the lower surface (the surface opposite to the surface provided with the bristle grooves) of the bristle part 21, so as to ensure that the second conductive part 32 located outside the toothbrush head 2 is fixed reliably. The second conductive member 32 extending to the lower surface of the brush portion 21 may be attached around the annular edge of the lower surface, or may be attached to cover the entire lower surface.

In some embodiments, the material of the second conductive component 32 is preferably conductive fiber, wherein the conductive fiber may be a hard material or a soft material such as conductive stainless steel fiber, carbon fiber, or conductive silica gel. Since the second conductive member 32 needs to extend into the oral cavity or contact with the teeth, in order to prevent the second conductive member 32 from being in hard contact with the teeth and causing damage to the teeth, the second conductive member 32 is preferably made of soft conductive fibers, such as conductive paste. The conductive fiber has good conductivity and durable antistatic property, and is not influenced by the conditions of temperature and humidity in the oral cavity.

In some embodiments, the bristles 23 of the brush head 2 may be a plurality of bristles having the same size and length, and may be combined with bristles having different sizes and lengths in consideration of a contact area with teeth, a brushing feeling, a cleaning effect, durability, and the like.

The brush bristles 23 may be ordinary brush bristles or conductive brush bristles connected to the second conductive part 32, which may increase the current flowing into the oral cavity and improve the tooth cleaning effect.

The electric toothbrush, which is turned on by the first conductive member 31 and the second conductive member 32, forms a closed circuit with the human body and the teeth, and thus operates in an ion mode.

In the ion mode, when a user cleans teeth by using the electric toothbrush, the user only needs to extrude toothpaste to the brush head 2 and then puts the brush head 2 into an oral cavity, the user holds the handle 1 and contacts with the first conductive part 31 on the handle 1, the first conductive part 31 is connected with the first conductive part 31, and the second conductive part 32 is connected with the second conductive part, so that the first conductive part 31 and the second conductive part 32 can be communicated, a closed loop is formed between the first conductive part 31 and the second conductive part and the first conductive part and the second conductive part and teeth, teeth are cleaned, the toothpaste or foam can be effectively prevented from splashing when the user brushes teeth, and the user experience is improved.

Under the action of the conducting current in the ion mode, the medicine ions in the mixture of the toothpaste and the water can be quickly dissolved, so that the deposits on the surfaces of the teeth can be removed, the teeth can be cleaned, and the tooth cleaning effect can be improved; meanwhile, fluoride ions in the mixture of the toothpaste and the water can rapidly permeate into surface tissues of the teeth, and are combined with surface calcium salts of the teeth to form a fluorophosphoric lime protective layer which is hard in texture and insoluble in acid, so that the anti-caries capability of the teeth is enhanced.

In some embodiments, as shown in fig. 4 and 5, the electric toothbrush further comprises a driving device 5 installed in the handle 1, the driving device 5 is connected with the head 2 and electrically connected with the circuit board 41 for driving the head 2 to move, and cleaning and sterilizing the teeth by using the high frequency motion of the head 2. The electric toothbrush for cleaning teeth by driving the brush head 2 to vibrate by the driving device 5 has an electric mode.

In this embodiment, the driving device 5 is a micro motor, which is installed in the handle 1, and an output shaft of the micro motor is connected with the brush head 2. Preferably, the micro motor is a vibration motor, and the high-frequency vibration of the motor drives the brush head 2 to vibrate for cleaning. Adopt vibrating motor to reduce the wearing and tearing to the tooth in comparison with rotation type motor, protect the tooth.

Wherein, the vibration of the brush head 2 comprises reciprocating vibration along the length direction of the brush head 2, the vibration strength comprises vibration amplitude and vibration frequency, and the vibration frequency can be obtained by the vibration speed.

When the brush head 2 vibrates, the brush head 2 of the electric toothbrush can be controlled to vibrate according to the target vibration intensity, so that the automatic adjustment of the vibration intensity is realized, the regulation of the tooth brushing cleaning force is realized, the tooth cleaning effect and the toothbrush intelligent degree are improved, and the user experience is improved.

Specifically, the vibration speed of the brush head 2 may be in the range [0, v ]₁]、(v₁，v₂]、(v₂，v₃]…, the target vibration intensity is divided into high frequency, medium frequency and low frequency, so that the vibration can be accurately controlled, and the user experience can be improved.

Under the mode of electric drive, the circuit board 1 can provide a larger current to directly drive the driving device 5 to vibrate, and then drive the brush head 2 to vibrate for brushing teeth. Compared with the ion mode, the electric mode does not need to be contacted with the conductive part, and as long as the brush head 2 extends into the oral cavity, the driving device 5 can provide larger vibration intensity to clean the teeth by working, so as to meet the user requirement of higher vibration intensity.

In the embodiment of the invention, a user can switch the ion mode or the electric mode according to needs so as to meet different use experience requirements of the user, the operation is convenient, not only can paste or foam of toothpaste be prevented from splashing during tooth brushing, but also the tooth cleaning effect can be improved.

In some embodiments, as shown in fig. 4 and 5, the driving device 5 may be provided as a conductor to connect the first conductive member 31 and the second conductive member 32, and to make or break the circuit in the ion mode through a third conductive contact provided on the circuit board 41. The first electrode 311 of the first conductive member 31 is connected to the tail end of the driving device 5 through the third conductive member 33 (e.g. conductive sheet), the second electrode 321 of the second conductive member 32 is connected to the output shaft of the driving device 5, and the end of the second conductive portion 323 located in the connecting portion 22 of the brush head 2 is provided with a groove 324 for connecting the driving device 5 to the output shaft of the driving device 5, so as to reliably connect the driving device 5 to the brush head 2, and realize both the ion mode and the electromotive mode.

The third conductive contact may be connected to the first conductive member 31, the second conductive member 32, and the driving device 5. That is, the circuit can be switched on or off through the third conductive contact without arranging the first conductive contact and the second conductive contact. The user holds the handle 1 and contacts the first conductive member 31 and the second conductive member 32 protrudes into the mouth or contacts the teeth, so that the human body, the teeth, the second conductive member 32, the driving device 5 and the first conductive member 31 form a closed loop for tooth cleaning. The third conductive contact is also a metal conductive contact having elasticity.

The driving device 5 can be used as a driving part for driving the brush head 2 to vibrate on one hand, and can be used as a conductor for connecting the first conductive part 31 and the second conductive part 32 on the other hand, the structure is reasonable, on the premise of meeting the requirements of an ion mode and an electric mode, the part arrangement of the handle 1 can be reduced, and the limited space in the handle 1 can be fully utilized.

When the driving device 5 is a conductor, the first conductive member 31 and the second conductive member 32 are always connected by the driving device 5, and therefore, the on/off of the third conductive contact can be regarded as the on/off of the first conductive member 31 and the second conductive member 32.

In some embodiments, as shown in fig. 6, the control device further comprises a switch button 42 for controlling the operation of the electric toothbrush, and the on/off of the circuit can be controlled by the switch button 42. The switch button 42 is installed on the surface of the handle 1 and electrically connected with the circuit board 41, the switch button 42 comprises a power button 421, an ion mode button 422 and an electric mode button 423, the power button 421 is used for turning on or off a power supply, controlling the start and stop of the toothbrush and protecting a circuit; ion mode button 422 is used to control the operation of the electric toothbrush in ion mode, i.e., to control the turning on or off of first conductive member 31 and second conductive member 32; the power mode button 423 is used to control the operation of the electric toothbrush in the power mode, i.e., to control the operation of the driving device 5.

In this embodiment, the conductive contacts provided on the circuit board can mate with the ion mode button 42 so that the first conductive member 31 and the second conductive member 32 are turned on or off. The ion mode button 422 prevents any contact by the user with the electric toothbrush to initiate operation of the toothbrush.

The switch buttons 42 may be an integral switch, that is, only one switch button 42 is provided, the power supply or different operation modes are switched by pressing the switch buttons in sequence or pressing the key for a long time, and each sub-button further includes a plurality of operation modes, for example, the electric mode button 423 may control the on or off of the driving device 5, and may also control the vibration intensity of the driving device 5 during operation. The driving device 5 can reduce the occupied volume of the switch button 42, so that the product has a compact structure, the volume of the electric toothbrush can be reduced, and the electric toothbrush is convenient to carry. In other embodiments, the different switch buttons 42 may be separately provided, and the present invention is not limited in particular.

Further, the electric toothbrush further comprises L ED indicating lamps corresponding to the switch buttons, and different working modes can be switched by switching L ED indicating lamp colors.

In some embodiments, the power toothbrush further comprises a power supply electrically connected to the circuit board 41 to provide a power source, a first conductive contact connected to the positive pole of the power source, and a second conductive contact connected to the negative pole of the power source, such that the body, the first conductive member 31, the second conductive member 32, and the brush head 2 form a closed circuit. The first conductive contact may also be connected to the negative pole of the power source and the second conductive contact connected to the positive pole of the power source. The power supply device may also provide power for the vibration of the driving device 5.

In this embodiment, the power supply device includes a battery, and is accommodated in the handle 1. The battery is preferably a miniature lithium battery, such as a button-type lithium battery, which can provide sufficient current for use of the brush head 2. Meanwhile, the miniature lithium battery has a smaller structure and longer service life, and can prolong the service life of the electric toothbrush.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims

1. An electric toothbrush, includes the handle and installs in the brush head of handle one end, its characterized in that, electric toothbrush still includes:

a first conductive member provided on an outer surface of the handle;

2. The electric toothbrush of claim 1, wherein the conductive contacts comprise a first conductive contact for connecting or disconnecting with the first conductive component and a second conductive contact for connecting or disconnecting with the second conductive component to connect or disconnect the first conductive component and the second conductive component.

3. The electric toothbrush according to claim 1, wherein the first conductive member is plate-shaped or plate-shaped and is attached and fixed to an outer surface of the handle.

4. The electric toothbrush of claim 1, wherein the brushhead includes a bristle portion and a connecting portion for connection to the handle, the second conductive member being disposed around an outer surface of the bristle portion and extending into the connecting portion.

5. The electric toothbrush according to claim 1, wherein the first conductive member is made of a metal material, a plating material, or conductive fibers; the first conductive component is made of conductive fibers.

6. The electric toothbrush of claim 2, wherein the first and second conductive contacts are each a resilient metal conductive contact.

7. The powered toothbrush as defined in claim 1, further comprising a drive device mounted in the handle, the drive device being connected to the brushhead and electrically connected to the circuit board.

8. The electric toothbrush according to claim 7, wherein the driving means is a conductor, the first conductive member is connected to one end of the driving means, the second conductive member is connected to the other end of the driving means, and a third conductive contact is provided on the circuit board for connecting to or disconnecting from one of the first conductive member, the second conductive member, and the driving means to connect or disconnect the first conductive member and the second conductive member.

9. The powered toothbrush as defined in claim 8, wherein the second conductive member is disposed around an outer surface of the head and extends into the head, the second conductive member being located within the head and connected to the output shaft of the drive device.

10. The electric toothbrush according to claim 1, wherein the control device further comprises a switch button mounted to the handle, the switch button being electrically connected to the circuit board, the switch button comprising an ion mode button and a power mode button, the ion mode button for controlling the turning on or off of the first and second conductive members; the electric mode button is used for controlling the action of the driving device.