CN218458201U

CN218458201U - Brush head and electric toothbrush

Info

Publication number: CN218458201U
Application number: CN202222295752.8U
Authority: CN
Inventors: 刘洋; 张金泉; 黄道臣; 黄拔梓
Original assignee: Dongguan Lebond Electronic Technology Co Ltd
Current assignee: Dongguan Lebond Electronic Technology Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-10
Anticipated expiration: 2032-08-30

Abstract

The utility model provides a brush head and electric toothbrush, which belongs to the oral cavity cleaning field. The brush head comprises a brush head seat, a brush and a brush piece; the brush and the brush piece are arranged on the brush head seat; one side of the brush head seat is provided with a connecting part, and the ratio of the length of the brush head seat connected with the brush handle of the electric toothbrush through the connecting part to the length of the brush handle is X, wherein X is less than or equal to 1/6. The utility model provides a brush head is through the proportional length who adjusts brush head seat and brush holder for the quality of brush head seat alleviates, and at motor during operation like this, the amplitude of oscillation grow of brush hair, and the inertia that produces is littleer, feeds back to the vibrations of motor itself and reduces, has weakened the vibration of motor indirectly like this, has promoted feeling that grips when the user uses, avoids the mouth uncomfortable sense because of the vibrations of brush head seat arouse simultaneously, thereby has promoted user's experience and has felt.

Description

Brush head and electric toothbrush

Technical Field

The utility model relates to an oral cavity cleaning field especially relates to a brush head and electric toothbrush.

Background

The electric toothbrush brush head on the market is all longer at present for the shell area is big, and when the action of brushing teeth owing to motor drive brush head behind the entry, brush head shell is big with user's cheek area of contact, can lead to the user to arouse the discomfort because brush head high frequency vibrations when using because of brushing the head overlength, seriously influences user's experience and feels.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a toothbrush head and an electric toothbrush to overcome the disadvantages of the prior art.

The utility model provides a following technical scheme: a brush head comprises a brush head seat, a brush and a brush piece;

the brush and the brush piece are arranged on the brush head seat;

one side of the brush head seat is provided with a connecting part so as to be connected with a brush handle of the electric toothbrush through the connecting part;

the ratio of the length of the brush head seat to the length of the brush handle is X, wherein X is less than or equal to 1/6.

In some embodiments of the present invention, a mounting groove is formed on one side of the brush head seat, the brush is disposed on one side of the brush piece in the thickness direction, and the brush piece is disposed in the mounting groove.

Further, the length of the brush head seat is 31-40 mm.

Furthermore, the inner wall of the brush head seat is provided with a groove, and the edge of the brush piece is clamped in the groove.

Further, the connecting part is a clamping groove or a threaded hole.

Some embodiments of the present invention further provide an electric toothbrush comprising a power module, the handle, and the head;

the brush handle comprises a shell and a motor;

the motor is arranged in the shell, and the output end of the motor is in transmission connection with the brush head seat;

the power module is disposed in the housing, and the motor is electrically connected to the power module.

Further, a gap is formed between the brush head seat and the brush handle.

Further, a motor shaft is arranged between the motor and the brush head seat;

one end of the motor shaft is connected with the output end of the motor, and the other end of the motor shaft penetrates through the shell to be connected with the brush head.

Further, a sealing element is arranged between one end, close to the brush head, of the motor shaft and the shell, and a gap is formed between the motor shaft and the shell.

Furthermore, one end of the motor shaft penetrates through the connecting part and is connected with the brush head seat.

The embodiment of the utility model has the following advantage: the brush head is composed of the brush head seat, the brush and the brush piece, the brush piece is movably arranged in the mounting groove, so that the brush piece can be conveniently mounted or dismounted on the brush head seat, meanwhile, the brush piece is convenient to replace, and the replacement cost of a user in the using process is reduced. Through the proportional length setting with brush head seat and brush holder to make the quality of brush head seat alleviate, like this at the motor during operation, the range of oscillation of brush hair grow, and the inertia that produces is littleer, feeds back to the vibrations of motor itself and reduces, has weakened the vibration of motor like this indirectly, has promoted the feel that the user gripped when using.

The brush head of the application has small contact area with the cheek of a user, and avoids mouth discomfort caused by vibration of the brush head seat, so that the experience of the user is improved.

In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a brush head according to some embodiments of the present invention;

fig. 2 illustrates an exploded view of a brush head provided by some embodiments of the present invention;

fig. 3 is a schematic view of a power toothbrush according to some embodiments of the present invention;

fig. 4 is a schematic view of an alternative view of a power toothbrush according to some embodiments of the present invention;

fig. 5 showsbase:Sub>A cross-sectional view of the portionbase:Sub>A-base:Sub>A in fig. 4.

Description of the main element symbols:

100-a brush head; 110-a brush head holder; 120-a brush; 130-brushing sheets; 140-a connecting portion; 111-mounting grooves; 200-brush handle; 112-a groove; 210-a housing; 220-a motor; 300-motor shaft; 400-a power supply module; 500-sealing member.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, some embodiments of the present invention provide a brush head 100, which belongs to the field of cleaning appliances and is mainly applied to oral cleaning. The brush head 100 includes a brush head holder 110, a brush 120, and a brush piece 130.

In this embodiment, the brush 120 and the brush piece 130 are both disposed in the brush head base 110, and the brush 120 and the brush piece 130 are fixed by the brush head base 110, so as to improve the stability of the brush 120 and the brush piece 130 on the brush head base 110.

Wherein, one side of the brush head seat 110 is provided with an installation groove 111. It should be noted that the depth of the mounting groove 111 is not less than the thickness of the brush piece 130, so that the brush piece 130 can be connected with the brush head base 110 through the mounting groove 111.

Meanwhile, the brush 120 is disposed at one side of the brush sheet 130 in the thickness direction, and the distribution of the brush 120 and the brush sheet 130 may be set according to actual conditions. It should be noted that the brush piece 130 is movably disposed in the mounting groove 111. In the present embodiment, in order to improve the stability of the brush 120 on the brush piece 130, the brush 120 is integrally formed on the brush piece 130.

Specifically, in this embodiment, the brush sheet 130 is detachably connected to the brush head base 110, so that when the brush 120 is branched or bent during the use of the brush head 100 for a long time and the brush 120 needs to be replaced, the brush sheet 130 can be taken down from the brush head base 110 and the brush sheet 130 can be replaced, thereby reducing the replacement cost of the user during the use and improving the experience of the user.

It should be noted that the connection mode between the brush piece 130 and the brush head seat 110 is any one of clamping, bonding and screwing, and can be specifically set according to actual conditions.

In addition, in some embodiments of the present invention, the brush sheet 130 is integrally formed with the brush head seat 110 to improve stability of the brush sheet 130 on the brush head seat 110.

In this embodiment, a connection part 140 is disposed at one side of the brush head base 110, so as to be connected with a brush handle 200 of the electric toothbrush through the connection part 140.

In addition, in order to improve the stability of the connection between the brush head 100 and the brush holder 200 and improve the efficiency of the assembly and disassembly between the brush head 100 and the brush holder 200, the brush head 100 and the brush holder 200 are connected by clamping.

It should be noted that the brush head seat 110 is detachably connected to the brush handle 200, and the specific connection mode is any one of clamping, bonding and screwing, and can be specifically set according to actual situations.

Wherein, the ratio of the length of the brush head seat 110 to the length of the brush handle 200 is X, wherein, the value range of X is less than or equal to 1/6.

Specifically, the value of X can be any value of 1/6, 1/7, 1/8, 1/9 and 1/10, and can be specifically set according to actual conditions. In the present embodiment, the brush head base 110 has a length of 31 to 40mm. The length of the brush head holder 110 is set to any one of 31mm, 32mm, 33mm, 34mm, 35mm, 36mm, 37mm, 38mm, 39mm, and 40mm. Preferably, in the present embodiment, the length of the brush head seat 110 is 34mm.

The length of the brush head base 110 refers to the length of the brush head base 110 in the direction parallel to the long side thereof.

The length of the brush holder 200 means the length of the brush holder 200 in the axial direction thereof.

By reducing the length of the brush head seat 110, the weight of the brush head seat 110 is reduced, so that the brush head seat 110 is smaller and lighter, the inertia of the brush head 100 in the vibration process is reduced, and the vibration efficiency of the brush head seat 110 is improved.

It should be noted that, when installing brush head 100 in this application on electric toothbrush's brush holder 200, when electric toothbrush's brush holder 200 drive brush head 100 moved, because brush head seat 110's length and quality all reduced, make brush head seat 110 at the wobbling in-process, brush 120's amplitude of oscillation grow, and the inertia that produces is littleer (the quality is littleer, inertia is littleer), the vibrations of feeding back to electric toothbrush's brush holder 200 itself reduce, the vibration of brush holder 200 has been weakened indirectly like this, thereby the feel of holding when having promoted the user and using, user's experience is felt.

As shown in fig. 1 and fig. 2, in some embodiments of the present invention, the inner wall of the brush head base 110 is provided with a groove 112, so that the edge of the brush piece 130 is engaged with the groove 112, and the brush piece 130 is engaged with the brush head base 110, so as to improve the stability of the connection between the brush piece 130 and the brush head base 110, and improve the assembling and disassembling efficiency between the brush piece 130 and the brush piece 130 base, so as to facilitate the user to replace the brush piece 130.

In this embodiment, the groove 112 is an annular groove 112 to improve the stability of the connection between the brush piece 130 and the brush head base 110.

Optionally, a first magnet may be further disposed on a side of the brush piece 130 away from the brush 120, and a second magnet is disposed inside the brush head seat 110, the second magnet is located at the bottom of the mounting groove 111, and the first magnet and the second magnet are opposite in polarity, so that the brush piece 130 is connected to the brush head seat 110 in a magnetic attraction manner.

Optionally, a screw is disposed on a side of the brush piece 130 away from the brush 120, and a blind threaded hole is disposed in the brush head seat 110, so that the screw is in threaded connection with the blind threaded hole, thereby connecting the brush piece 130 with the brush head seat 110 in a threaded manner.

In some embodiments of the present invention, a slot is disposed at an end of the connecting portion 140 away from the brush head seat 110.

Specifically, one end of the brush handle 200 can be clamped in the clamping groove on the connecting portion 140 to improve the stability and convenience of connection between the brush head 100 and the brush handle 200.

As shown in fig. 2, 3 and 5, some embodiments of the present invention also provide an electric toothbrush comprising a power module 400, a handle 200 and the head 100, wherein the connecting portion 140 of the head 100 is connected to the handle 200.

In this embodiment, the brush head 100 and the brush handle 200 are detachably connected.

The brush head 100 and the brush handle 200 can be connected in a clamping or threaded connection mode, so that the stability of connection between the brush head 100 and the brush handle 200 is improved, and the assembly and disassembly efficiency between the brush head 100 and the brush handle 200 is improved.

Specifically, the handle 200 includes a housing 210 and a motor 220.

Wherein the motor 220 is disposed in the housing 210. Note that the output shaft of the motor 220 overlaps with the axis of the housing 210.

Meanwhile, the output end of the motor 220 is in transmission connection with the brush head seat 110, so that the brush head seat 110 is driven to vibrate by the motor 220 in the working process.

It should be noted that, in the present embodiment, the motor 220 is a micro vibration motor, so as to drive the brush head seat 110 to vibrate through an output shaft of the motor 220 in the vibration process. Meanwhile, the brush sheet 130 and the brush 120 are driven to vibrate synchronously by the brush head seat 110 in the vibration process, and the oral cavity of the human body is cleaned by the swinging process of the brush 120, so that the cleaning efficiency of the electric toothbrush on the oral cavity of the human body is improved.

Further, the length of the brush head base 110 is reduced, that is, the length ratio between the brush head base 110 and the brush handle 200 is reduced, so as to reduce the mass of the brush head base 110, improve the swing efficiency of the brush head base 110, and increase the swing amplitude of the brush 120.

As shown in fig. 3 to 5, in some embodiments of the present invention, a motor shaft 300 is disposed between the motor 220 and the brush head seat 110.

It should be noted that, in the present embodiment, the length of the motor shaft 300 can be specifically set according to actual situations.

Specifically, one end of the motor shaft 300 is connected to the output end of the motor 220, and the other end of the motor shaft 300 penetrates through the housing 210 to be connected to the brush head 100, so that the motor 220 drives the brush head 100 to vibrate through the motor shaft 300 while working.

The motor 220 is connected with the brush head base 110 through a motor shaft 300, so that the length of the output end of the motor 220 is increased.

In this embodiment, one end of the motor shaft 300 is inserted into the connecting portion 140 and connected to the brush head seat 110, that is, one end of the motor shaft 300 connected to the brush head 100 extends into the brush head seat 110 through the connecting portion 140, so as to further improve the stability of the connection between the brush head 100 and the brush handle 200.

Specifically, a portion of the motor shaft 300 is located outside the brush holder 200, and a portion of the motor shaft 300 located outside the brush holder 200 is used to connect with the brush head 100, which not only reduces the mass of the brush head 100, but also reduces the length of the brush head 100. When the motor 220 works, the mass of the brush head 100 is reduced, so that the swing amplitude of the brush 120 is increased, and the generated inertia is smaller and the vibration fed back to the motor 220 is reduced, thereby indirectly weakening the vibration of the motor 220 and improving the hand feeling of holding when a user uses the electric toothbrush.

As shown in fig. 5, in some embodiments of the present invention, a sealing member 500 is disposed between the end of the motor shaft 300 close to the brush head 100 and the housing 210, and the sealing member 500 is located inside the housing 210, so as to form a seal between the end of the motor shaft 300 close to the brush head seat 110 and the housing 210 through the sealing member 500.

The problem that liquid enters the shell 210 through a gap between the motor shaft 300 and the shell 210 when a user cleans an oral cavity or cleans the electric toothbrush is avoided, the service life of the motor 220 and the service life of the power module 400 are influenced, the short circuit is avoided, and the safety and the stability of the electric toothbrush in the using process are improved.

The motor shaft 300 is sealed with the housing 210 by the sealing member 500, and one end of the motor shaft 300 close to the brush head seat 110 is connected by the sealing member 500, and the motor shaft 300 is limited in the vibration process.

Specifically, the end of the motor shaft 300 close to the brush head seat 110 is fixed by the sealing member 500, so as to properly reduce the vibration amplitude of the motor shaft 300, thereby reducing the vibration amplitude of the brush head seat 110, and simultaneously increasing the vibration frequency of the brush head seat 110, thereby avoiding the too large vibration amplitude of the brush head seat 110 and improving the oral cleaning efficiency of the electric toothbrush.

In addition, a gap is formed between the motor shaft 300 and the housing 210, so that when the motor 220 works, the motor shaft 300 does not touch the housing 210 in the vibration process when the motor 220 drives the motor shaft 300 to vibrate, and the stability of the motor shaft 300 in the vibration process is improved.

It should be noted that, a gap is formed between the brush head seat 110 and the brush holder 200, and in the process of driving the brush head seat 110 to vibrate by the motor 220, a gap is always formed between the brush head seat 110 and the brush holder 200, so as to prevent the brush head seat 110 from colliding with the brush holder 200 in the vibration process, thereby improving the stability of the brush head seat 110 in the vibration process. Specifically, a gap is formed between the brush head 100 and the housing 210 to prevent the brush head 100 from colliding with the housing 210 of the brush handle 200 in the vibration process, so as to improve the stability of the brush head 100 in the vibration process, thereby improving the experience of the user.

As shown in fig. 4 and 5, in some embodiments of the present invention, the power module 400 is disposed in the housing 210, and the motor 220 is electrically connected to the power module 400.

The power module 400 may be a lithium battery or a storage battery, so as to provide power for the motor 220 through the power module 400.

In this embodiment, power module 400 is the battery, can continuously supply power for motor 220 through the battery, when battery power is not enough, can be connected battery and external power supply simultaneously to charge through external power supply to the battery, energy-concerving and environment-protective.

In addition, the storage battery is detachably arranged in the shell 210, so that the storage battery is convenient to replace after a long time and when the phenomenon of aging occurs, the whole electric toothbrush is prevented from being discarded, and the cost is reduced.

Specifically, the power module 400 is installed on a side of the motor 220 away from the brush head seat 110.

It should be noted that by reducing the length of the head carrier 110, the shorter configuration of the brush head 100 will produce vibrations at the cheek locations during operation. Therefore, when the toothbrush is used by a user, the mouth angle cannot be numbed due to the vibration of the toothbrush head 100, and the experience of the user is improved.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims

1. A brush head is characterized by comprising a brush head seat, a brush and a brush piece;

the brush and the brush piece are arranged on the brush head seat;

2. The brush head according to claim 1, wherein a mounting groove is formed at one side of the brush head base, the brush is disposed at one side in a thickness direction of the brush piece, and the brush piece is disposed in the mounting groove.

3. A brush head according to claim 1 wherein the length of the brush head carrier is from 31 to 40mm.

4. The brush head of claim 1, wherein the inner wall of the brush head seat is provided with a groove, and the edge of the brush sheet is clamped in the groove.

5. The brush head of claim 1, wherein the end of the connecting portion remote from the brush head base is provided with a locking groove.

6. An electric toothbrush comprising a power module, said handle and a brush head according to any one of claims 1 to 5;

the brush handle comprises a shell and a motor;

7. The powered toothbrush as defined in claim 6, wherein a gap is provided between the head base and the handle.

8. The electric toothbrush of claim 6, wherein a motor shaft is disposed between the motor and the head base;

9. The electric toothbrush of claim 8, wherein a seal is disposed between an end of the motor shaft proximate the brush head and the housing, and a gap is provided between the motor shaft and the housing.

10. The powered toothbrush as defined in claim 8, wherein one end of the motor shaft is disposed through a connecting portion to connect with the brush head base.