CN216318154U

CN216318154U - Electric tooth brush

Info

Publication number: CN216318154U
Application number: CN202122641981.6U
Authority: CN
Inventors: 陈铁兵; 资雁军; 周小耕
Original assignee: Dongguan Weigan Electronic Technology Co ltd
Current assignee: Dongguan Weigan Electronic Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-19
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an electric toothbrush, and relates to the technical field of articles for daily use, wherein the electric toothbrush comprises a toothbrush head; the toothbrush head is arranged at one end of the shell, and a groove is formed in the inner wall of the shell; the drive assembly, drive assembly set up in inside the shell, drive assembly's drive end with the toothbrush head is connected, be equipped with the arch on the drive assembly, protruding activity set up in the recess. The electric toothbrush provided by the utility model guarantees the use strength and the use hand feeling, and improves the user experience.

Description

Electric tooth brush

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to an electric toothbrush.

Background

Electric toothbrush receives people's liking more and more, people also have higher requirement to feeling when pursuing result of use, electric toothbrush usually adopts the motor end among the correlation technique, the motion of battery end cooperation drive toothbrush head, thereby effectively clean tooth for reaching higher use strength, set up the hole site support of using with the motor end cooperation on the battery frame usually, the toothbrush head has sufficient power can effectively clean the tooth when ensureing to brush teeth, but it is great to toothbrush shell space requirement like this, when setting up great shell, can influence the use of toothbrush and feel.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the electric toothbrush which meets the requirement of higher use strength and simultaneously improves the use hand feeling.

An electric toothbrush according to an embodiment of the present invention includes:

a toothbrush head;

the toothbrush head is arranged at one end of the shell, and a groove is formed in the inner wall of the shell;

the drive assembly, drive assembly set up in inside the shell, drive assembly's drive end with the toothbrush head is connected, be equipped with on the drive assembly protruding, protruding activity set up in the recess.

The electric toothbrush according to the embodiment of the utility model has at least the following beneficial effects:

the using strength of the toothbrush is related to the force of the toothbrush head on teeth, when the toothbrush head is abutted against the teeth during tooth brushing, the toothbrush head is subjected to the reaction force from the teeth, and the driving component connected with the toothbrush head moves under the influence of the reaction force, so that the cleaning effect of the toothbrush head is influenced; according to the toothbrush, the driving end of the driving component is connected with the toothbrush head, the protrusion is arranged on the driving component, the corresponding groove is formed in the inner wall of the shell, and the driving component is limited and fixed under the action of the groove, so that the driving component can provide enough power for the toothbrush head, and the toothbrush head can effectively clean teeth; compared with the scheme that the battery rack stretches out the hole site support and is used with the motor end cooperation among the correlation technique, this application scheme need not to change the battery rack, only needs to set up in the casing and is used for spacing recess, makes the inside structure of toothbrush compacter, also ensures the size of toothbrush shell and is in a more comfortable use and feels when guaranteeing the cleaning strength of toothbrush, promotes user experience.

According to some embodiments of the utility model, at least two of the grooves are disposed on the inner wall of the housing, and at least two of the grooves are disposed opposite to each other.

According to some embodiments of the utility model, the driving assembly comprises a motor and a motor frame, the driving end of the motor is connected with the toothbrush head, the motor frame is used for fixing the motor, and the protrusion is arranged on the motor frame.

According to some embodiments of the utility model, the drive assembly further comprises a waterproof ring disposed between the motor and the toothbrush head.

According to some embodiments of the utility model, the powered toothbrush further comprises a sensing assembly fixedly attached to an end of the drive assembly remote from the brushhead.

According to some embodiments of the utility model, the sensing assembly includes a metal support sheet and a resistive strain gauge secured to the metal support sheet.

According to some embodiments of the utility model, the electric toothbrush further comprises a battery assembly located inside the housing, the battery assembly for powering the drive assembly.

According to some embodiments of the utility model, the battery assembly includes a battery and a battery holder, the battery being secured to the battery holder.

According to some embodiments of the utility model, the battery is a rechargeable battery.

According to some embodiments of the present invention, the electric toothbrush further comprises a circuit board for receiving signals from the sensing assembly and controlling the movement of the drive assembly in accordance with the signals.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

fig. 2 is a schematic view of the structure of an electric toothbrush according to an embodiment of the present invention.

Reference numerals:

a brush head 110;

drive assembly 120, boss 121;

sensing assembly 130, battery assembly 140, waterproof ring 150, circuit board 160;

a housing 210, a recess 211.

Detailed Description

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

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The use strength of the toothbrush is related to the force of the toothbrush head on teeth, when the toothbrush is used for brushing teeth, after the toothbrush head is abutted against the teeth, the toothbrush head is subjected to the reaction force from the teeth, and the driving component connected with the toothbrush head moves under the influence of the reaction force, so that the driving component cannot well provide power for the toothbrush head, and further the cleaning effect of the toothbrush head on the teeth is influenced; in the related art, a battery frame is usually extended out of a hole site bracket to fix a motor so as to ensure that a toothbrush head has enough power to clean teeth, but the technical scheme is realized by matching a larger toothbrush shell, and the larger toothbrush shell can influence the use hand feeling.

Based on the electric toothbrush, the utility model provides the electric toothbrush which meets the requirement of the use strength of the toothbrush and simultaneously improves the use hand feeling.

The embodiments of the present application will be further explained with reference to the drawings. As shown in fig. 1 and 2, an electric toothbrush according to an embodiment of the present invention includes: a brush head 110; a housing 210, one end of the housing 210 is provided with a toothbrush head 110, and the inner wall of the housing 210 is provided with a groove 211; drive assembly 120, drive assembly 120 set up inside shell 210, and the drive end of drive assembly 120 is connected with toothbrush head 110, is equipped with arch 121 on the drive assembly 120, and arch 121 activity sets up in recess 211.

It should be noted that, as shown in fig. 1 and fig. 2, the driving end of the driving assembly 120 is connected with the toothbrush head 110, the protrusion 121 is arranged on the driving assembly 120, and the corresponding groove 211 is arranged on the inner wall of the housing 210, when brushing teeth, the toothbrush head 110 is subject to the reaction force of teeth, because the protrusion 121 is movably arranged in the groove 211, the toothbrush head 110 reciprocates up and down under the action of the driving assembly 120, thereby realizing the cleaning of teeth; compared with the prior art that the toothbrush head 110 can reciprocate up and down by matching the battery holder extending hole site bracket with the motor end, the inner wall of the toothbrush shell 210 is provided with the groove 211, and the driving component 120 is provided with the corresponding bulge 121, so that the inner structure of the electric toothbrush is more compact while the toothbrush is ensured to achieve the same use strength, and the size of the toothbrush shell 210 is ensured to be in a more comfortable use hand feeling state.

It is understood that at least two grooves 211 are formed on the inner wall of the housing 210, and at least two grooves 211 are oppositely formed.

It should be noted that, at least two grooves 211 are arranged on the inner wall of the housing 210, and at least two corresponding protrusions 121 are arranged on the driving assembly 120, so as to ensure that the protrusions 121 are movably arranged in the grooves 211, thereby realizing the use of the electric toothbrush; specifically, in some embodiments, the recess 211 may be a bar-shaped chute that facilitates installation of the drive assembly 120 in the case where the housing 210 is integrally formed.

It can be understood that the driving assembly 120 includes a motor, a motor frame, a driving end of the motor is connected with the toothbrush head 110, the motor frame is used for fixing the motor, and the motor frame is provided with a protrusion 121.

It should be noted that in some embodiments, a connecting hole is formed at one end of the housing 210 close to the toothbrush head 110, the driving end of the motor penetrates through the connecting hole to be connected with the toothbrush head 110, and the driving end of the motor and the toothbrush head 110 can be matched with each other to form a limit structure which can be detachably connected, so that a user can quickly replace the toothbrush head 110; the motor frame is provided with a protrusion 121, and the motor is fixed on the motor frame and drives the toothbrush head 110 to reciprocate up and down.

It should be noted that, in some embodiments, a linear vibration motor may be used, and the linear vibration motor has the advantages of fast response and low power consumption, and in particular, the linear vibration motor can fast respond to the start and stop commands of the electric toothbrush, so as to increase the service life of the electric toothbrush during single charging.

It will be appreciated that drive assembly 120 further includes a waterproof ring 150, waterproof ring 150 being disposed between the motor and head 110.

It should be noted that, in some embodiments, the waterproof ring 150 is sleeved at the driving end of the motor, is arranged between the motor and the toothbrush head 110, and seals the connection hole, so that the problem that water enters the connection hole due to an overlarge stroke of the vertical reciprocating motion of the toothbrush head 110 is avoided, and the waterproof performance of the electric toothbrush is effectively improved.

It will be appreciated that the powered toothbrush also includes a sensing assembly 130, the sensing assembly 130 being fixedly connected to the end of the drive assembly 120 remote from the head 110.

It should be noted that in some embodiments, the sensing element 130 is fixed to the end of the driving element 120 away from the toothbrush head 110, and when the toothbrush head 110 is pressed downward, the end of the driving element 120 connected to the toothbrush head 110 is moved downward, and the sensing element 130 detects the change of the driving element 120, thereby generating an electric signal.

It is understood that the sensing assembly 130 includes a metal support sheet and a resistive strain gauge secured to the metal support sheet.

It should be noted that the resistance strain gauge is an element for measuring strain, which can convert a change in strain on a mechanical member into a change in resistance; in some embodiments, the resistance strain gauge is fixed on the metal support plate, one end of the metal support plate is fixedly connected with one end of the driving assembly 120 away from the toothbrush head 110, and the other end of the metal support plate is fixed on the battery assembly 140.

It is understood that the electric toothbrush further includes a battery assembly 140, the battery assembly 140 being located inside the housing 210, the battery assembly 140 being used to power the drive assembly 120.

It is noted that, in some embodiments, one end of the metal supporting sheet is fixedly connected to the driving assembly 120 and the other end is fixedly connected to the battery assembly 140. The battery assembly 140 limits the deflection angle generated in the reciprocating motion of the driving assembly 120 by fixing the metal supporting sheet, so that the driving assembly 120 is kept in a certain deflection range, on one hand, the problem of water inflow at a connecting hole due to overlarge deflection range of the driving assembly 120 can be avoided, and the waterproof performance of the electric toothbrush is improved; on the other hand, the compactness of the internal structure of the toothbrush is ensured, and the problem that the space requirement on the shell 210 is large, so that the shell 210 is large and the use hand feeling is influenced is avoided.

Specifically, the battery assembly 140 includes a battery and a battery holder to which the battery is fixed.

It is understood that the battery is a secondary battery.

The secondary battery is a battery that can be charged and discharged repeatedly; in some embodiments, a charging interface is provided on the electric toothbrush to store electric energy for the storage battery, so that the electric toothbrush can be reused.

It will be appreciated that the electric toothbrush further includes a circuit board 160, the circuit board 160 being configured to receive signals from the sensor assembly 130 and to control the movement of the drive assembly 120 based on the signals.

It should be noted that, in some embodiments, the sensing component 130 converts the sensed pressure into an electrical signal and transmits the electrical signal to the circuit board 160, and the circuit board 160 controls the driving component 120 to move according to the received electrical signal; specifically, there is a preset threshold in the circuit board 160, the circuit board 160 compares the received electrical signal with the threshold, and if the electrical signal is greater than the threshold, the circuit board 160 controls the driving assembly 120 to decrease the motion amplitude, so as to prevent the electric toothbrush from damaging the gums; if the electrical signal is less than the threshold, the circuit board 160 will control the drive assembly 120 to increase the amplitude of the movement to achieve effective cleaning of the teeth.

Other components and operation of play sets according to the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An electric toothbrush, comprising:

a toothbrush head;

the drive assembly, drive assembly set up in inside the shell, drive assembly's drive end with the toothbrush head is connected, be equipped with the arch on the drive assembly, protruding activity set up in the recess.

2. The powered toothbrush as defined in claim 1, wherein at least two of the grooves are formed on the inner wall of the housing, and at least two of the grooves are disposed opposite to each other.

3. The electric toothbrush according to claim 1, wherein the driving assembly comprises a motor and a motor frame, a driving end of the motor is connected with the toothbrush head, the motor frame is used for fixing the motor, and the motor frame is provided with the protrusion.

4. The electric toothbrush of claim 3, the drive assembly further comprising a waterproof ring disposed between the motor and the toothbrush head.

5. The powered toothbrush as defined in claim 1, further comprising a sensing assembly fixedly connected to an end of the drive assembly remote from the brushhead.

6. The electric toothbrush of claim 5, wherein the sensing assembly includes a metal support plate and a resistive strain gauge secured to the metal support plate.

7. The electric toothbrush of claim 1, further comprising a battery assembly located inside the housing for powering the drive assembly.

8. The electric toothbrush of claim 7, wherein the battery assembly includes a battery and a battery holder, the battery being secured to the battery holder.

9. The powered toothbrush as defined in claim 8, wherein the battery is a battery.

10. The electric toothbrush of claim 5, further comprising a circuit board for receiving signals from the sensing assembly and controlling movement of the drive assembly based on the signals.