CN212679310U - Electric toothbrush protective cover and electric toothbrush of intaking - Google Patents

Abstract

The utility model provides an electric toothbrush water inlet protective cover and an electric toothbrush, relating to the technical field of electric toothbrush accessories and solving the problem that the mouth cleaning and the toothbrush in the prior art are not ideal; the front surface of the toothbrush head protective housing is provided with a first window, and the first window is used for accommodating the toothbrush head of the electric toothbrush and leaking bristles of the electric toothbrush which is accommodated in the first cavity; the toothbrush head protective housing is provided with a water feeding channel, the water feeding channel forms a water inlet and a water outlet at the wall shell of the electric toothbrush water inlet protective housing, and the water outlet is positioned on the toothbrush head protective housing and used for feeding water into the oral cavity. The electric toothbrush is provided with the electric toothbrush water inlet protective cover. The utility model discloses can provide the function of washing the oral cavity and the function of protection tooth.

Description

Electric toothbrush protective cover and electric toothbrush of intaking

Technical Field

The utility model relates to an electric toothbrush accessory technical field, specific electric toothbrush protective cover and have electric toothbrush of this protection cover of intaking that says so.

Background

The electric toothbrush generally has two forms, one is a sound wave type electric toothbrush, a vibration motor in a toothbrush handle generates high-frequency vibration to drive a toothbrush head and bristles of the toothbrush head to vibrate in a high frequency mode, the bristles of the toothbrush head vibrate in a reciprocating mode in at least one direction to clean teeth and gum, the other is a mechanical type electric toothbrush, the vibration or the rotation of the motor in the handle is converted into the rotation of the toothbrush bristles through a transmission part in the toothbrush head, the bristles of the toothbrush head do the reciprocating motion in at least one direction to clean the teeth and the gum, some toothbrushes adopt one of the forms, and some toothbrushes adopt two of the forms. To adopting the motor vibration to realize the electric toothbrush of clean tooth function, when the toothbrush head stretched into the oral cavity, the toothbrush head probably collided with the tooth, the toothbrush head at this moment is in the high frequency vibration state, can produce great impact and produce great sound simultaneously to the tooth when the toothbrush head collided the tooth, then can make gum or tooth produce painful sense to having not hard up or sensitive tooth, and then make this part of user produce the psychology that fear when brushing teeth with electric sound wave formula toothbrush, cause this part of user's abandonment even, lead to the tooth to last not to be cleaned better, and then further foster not hard up and anaphylactic symptom that bacterium or residue lead to, lead to vicious circle. Different users have different tooth brushing habits, and have different problems when using the electric toothbrush, such as toothpaste residues exist on teeth and the toothbrush after tooth brushing, or residues which do not fall out from gaps between the teeth exist in bristles, and for example, residues exist in the bristles, so that people are used to lightly rinse the toothbrush, people are used to clean the oral cavity and the toothbrush together in a water-containing mouth rinsing mode, but the toothpaste and the residue residues on the bristles and the toothbrush head are not easy to clean in a light rinsing mode and a single mouth rinsing mode, and teeth are inflamed or sensitive after a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design the water inlet protective cover of the electric toothbrush, which can provide the functions of washing the oral cavity and protecting the teeth.

The utility model discloses a following technical scheme realizes:

the utility model provides an electric toothbrush water inlet protective cover, which comprises a toothbrush head protective cover shell;

the inner side of the toothbrush head protective cover shell is a first cavity used for accommodating a toothbrush head of the electric toothbrush;

the tail end of the toothbrush head protection cover is provided with a toothbrush handle end head sleeve, the toothbrush handle end head sleeve is used for being connected with the end head part of the toothbrush handle so as to fix the toothbrush head protection cover, and the first cavity penetrates through the tail end part of the toothbrush handle end head sleeve and is used for penetrating through a toothbrush head of an electric toothbrush;

the front surface of the toothbrush head protection cover is provided with a first window exposing the first cavity, and the first window is used for accommodating the toothbrush head of the electric toothbrush and leaking bristles of the electric toothbrush accommodated in the first cavity;

the toothbrush head protective housing is provided with a water feeding channel, the water feeding channel is arranged at the wall shell of the electric toothbrush water inlet protective housing to form a water inlet and a water outlet, and the water outlet is positioned in the toothbrush head protective housing and used for feeding water into the oral cavity.

When adopting above-mentioned structure that sets up, this electric toothbrush protection casing of intaking can cup joint the tip portion of fixing at electric toothbrush's toothbrush handle through toothbrush handle end cover, makes electric toothbrush intake protection casing fixed with electric toothbrush, and water delivery passageway accessible water inlet inserts towards tooth ware or water pump or water tap etc. and introduces and washs the water source, finally will wash water and export from the water outlet and spout in the oral cavity, can wash tooth and gum, and can provide when brushing teeth the end and wash water help and wash toothbrush and oral cavity.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the water inlet is positioned at the end part of the tail end of the toothbrush head protective housing, and a pipe joint is arranged at the water inlet.

When the structure is arranged, the water inlet is arranged at the end part of the tail end of the toothbrush head protective housing, so that the cleanness of the water inlet can be better ensured, and better controllability can be provided when the toothbrush is used for brushing teeth.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the water inlet is positioned at the side wall shell of the toothbrush head protective housing, and a pipe joint is arranged at the water inlet.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the toothbrush head protective cover shell is a hard rubber shell, a gap is formed between the toothbrush head protective cover shell and a toothbrush head of the electric toothbrush filled in the toothbrush head protective cover shell, or the toothbrush head protective cover shell is a soft rubber shell, and the toothbrush head protective cover shell is attached to the toothbrush head of the electric toothbrush filled in the toothbrush head protective cover shell.

When adopting above-mentioned setting structure, the toothbrush head protective housing of different materials can be selected according to the difference of electric toothbrush's form to obtain the experience of preferred, for example, electric toothbrush is mechanical type, and the toothbrush head does not vibrate or the vibration degree weak then can adopt the flexible glue shell parcel to live the toothbrush head, and for example electric toothbrush is the sound wave formula, then toothbrush head vibration degree is strong, needs to select the ebonite shell and make and separate through the clearance between toothbrush head protective housing and the toothbrush head.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the electric toothbrush water inlet protective cover also comprises a toothbrush handle protective cover shell, wherein a second cavity for accommodating a toothbrush handle of the electric toothbrush is formed in the inner side of the toothbrush handle protective cover shell, a mounting seat is arranged at the tail end of the toothbrush handle protective cover shell, and a second window for exposing the operation end face of the toothbrush handle of the electric toothbrush, which is arranged in the second cavity, is formed in the front side of the toothbrush handle protective cover shell; the head end of the toothbrush handle protective cover is connected with the tail end of the toothbrush head protective cover, the first cavity is communicated with the second cavity, and the first window and the second window are communicated with each other to form a complete window;

the toothbrush head protective housing sets up send the water passageway to extend to toothbrush handle protective housing department, send the water passageway in the wall shell department of electric toothbrush protection casing that intakes forms water inlet and delivery port, the delivery port is located toothbrush head protective housing is used for sending water to the oral cavity.

When adopting above-mentioned structure of setting up, this electric toothbrush protection casing of intaking can connect electric toothbrush's toothbrush handle through the mount pad and cup joint the tip portion of fixing at electric toothbrush's toothbrush handle through toothbrush handle tip cover, it is fixed with electric toothbrush to make electric toothbrush protection casing of intaking, send water passageway accessible water inlet to insert to wash water sources such as tooth ware or water pump or tap, finally will wash water and export from water outlet department and spout in the oral cavity, can wash tooth and gum, and can provide when brushing teeth the end and wash water help and wash toothbrush and oral cavity. The electric toothbrush that includes toothbrush handle protective housing's protection casing of intaking can move down the water inlet to toothbrush handle department, can obtain better nature controlled, and the electric toothbrush that includes toothbrush handle protective housing protection casing of intaking protection casing can be fixed with electric toothbrush more firmly.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the water inlet is positioned at the end part of the tail end of the protective cover shell of the toothbrush handle, and a pipe joint is arranged at the water inlet.

When the structure is arranged, the water inlet is arranged at the end part of the tail end of the toothbrush handle protective cover shell, so that the cleanness of the water inlet can be better ensured, and better controllability can be provided when teeth are brushed.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the water inlet is positioned on the side wall shell of the protective cover shell of the toothbrush handle, and a pipe joint is arranged at the water inlet.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the bottom of the mounting seat is provided with a charging port penetrating through the charger.

When adopting above-mentioned structure that sets up, the setting of the mouth that charges can charge electric toothbrush when not taking off electric toothbrush protection casing that intakes.

Further for better realization the utility model discloses, adopt the following structure that sets up very much: the toothbrush head protective cover shell is a hard rubber shell, a gap is formed between the toothbrush head protective cover shell and a toothbrush head of the electric toothbrush arranged in the toothbrush head protective cover shell, or the toothbrush head protective cover shell is a soft rubber shell and is attached to the toothbrush head of the electric toothbrush arranged in the toothbrush head protective cover shell; the toothbrush handle protective cover is a hard rubber shell, or the toothbrush handle protective cover is a soft rubber shell, and the toothbrush handle protective cover is attached to a toothbrush handle of the electric toothbrush filled in the toothbrush handle protective cover.

When adopting the above-mentioned structure that sets up, the toothbrush head protective housing of different materials can be selected according to the difference of electric toothbrush's form to obtain the experience of preferred, for example, electric toothbrush is mechanical type, and the toothbrush head does not vibrate or the vibration degree weak then toothbrush head protective housing can adopt the flexible glue shell parcel to live the toothbrush head, for example electric toothbrush is the sound wave formula, then toothbrush head vibration degree is strong, and toothbrush head protective housing need select the rigid glue shell and make and separate through the clearance between toothbrush head protective housing and the toothbrush head. The selection of the hard rubber shell or the soft rubber shell of the toothbrush handle protective cover shell is determined according to the selection of the toothbrush head protective cover shell or the hand feeling requirement.

The utility model also provides an electric toothbrush, including toothbrush head and the toothbrush handle that can dismantle the connection and foretell electric toothbrush protection casing that intakes.

When the structure is adopted, the electric toothbrush water inlet protective cover is arranged at the electric toothbrush, the water delivery channel can be connected into the tooth flushing device or the water pump or the water faucet through the water inlet to introduce a cleaning water source, finally cleaning water is guided out from the water outlet to be sprayed into the oral cavity, teeth and gum can be washed, and cleaning water can be provided to help clean the toothbrush and the oral cavity when tooth brushing is finished.

The utility model has the advantages of it is following and beneficial effect:

the utility model discloses in, this electric toothbrush protection casing of intaking can install in electric toothbrush department, cup joint the tip portion of fixing at electric toothbrush's toothbrush handle through toothbrush handle tip cover, it is fixed with electric toothbrush to make electric toothbrush intake protection casing, send water passageway accessible water inlet to insert to wash water source such as tooth ware or water pump or tap, will wash finally to lead from water outlet department and spout into the oral cavity, can wash tooth and gum, and can provide when brushing teeth the end and wash water help and wash toothbrush and oral cavity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic side view showing a water inlet cover of an electric toothbrush according to example 1;

FIG. 2 is a schematic side view showing a water inlet cover of the electric toothbrush according to embodiment 2;

FIG. 3 is a schematic view of the bottom structure of FIG. 2;

FIG. 4 is a schematic front view of the structure of FIG. 2;

FIG. 5 is a schematic view showing the combination of the water inlet cover of the electric toothbrush and the electric toothbrush in example 2;

labeled as:

1. a toothbrush head protective housing; 11. a first cavity; 12. a toothbrush handle end cap; 13. a first window;

2. a water delivery channel; 21. a water inlet; 22. a water outlet;

3. the toothbrush handle is provided with a protective cover; 31. a second cavity; 32. a mounting seat; 33. a second window; 34. a charging port;

4. a gap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

the water inlet protective cover for the electric toothbrush can provide the function of washing the oral cavity and the function of protecting the teeth, and can improve the use feeling of the electric toothbrush and the cleaning effect of the oral cavity and the toothbrush, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the water inlet protective cover is particularly provided with the following structures:

basically, the electric toothbrush water inlet protective cover comprises a toothbrush head protective cover shell 1,

the toothbrush head protective cover 1 is a semi-enclosed structure and is provided with a top wall, two side walls and a rear wall, wherein two sides of the top wall are connected with the corresponding side walls, the two side walls are connected by the rear wall, the inner side of the toothbrush head protective cover 1 is provided with a first cavity 11, and the first cavity 11 is used for accommodating a toothbrush head of an electric toothbrush; the tail end of the toothbrush head protective cover 1 is provided with a horn-shaped toothbrush handle end cap 12, the horn-shaped toothbrush handle end cap 12 and the end part of the toothbrush handle of the electric toothbrush are designed in a copying way so as to be capable of being sleeved and fixed with each other, and the toothbrush handle end cap 12 can be connected with the end part of the toothbrush handle of the electric toothbrush so as to fix the toothbrush head protective cover 1. The first cavity 11 extends to the rear end of the toothbrush head protective cover 1 and penetrates to the end of the rear end of the toothbrush handle end cap 12 and forms a through hole with the end, and the through hole is used for penetrating through the toothbrush head of the electric toothbrush. The front surface of the toothbrush head protective casing 1 is not provided with a wall shell so that the front surface of the toothbrush head protective casing 1 forms a first window 13, the first window 13 exposes the first cavity 11, the first window 13 is used for accommodating the toothbrush head of the electric toothbrush and leaking the bristles of the electric toothbrush accommodated in the first cavity 11, and preferably, the first window 13 forms a notch at the tail end of the toothbrush head protective casing 1 and is connected with the through hole so as to be more convenient to assemble and disassemble the toothbrush head. The toothbrush head protection cover comprises a toothbrush head protection cover shell 1, wherein a water feeding channel 2 is arranged inside or outside the toothbrush head protection cover shell 1, a water inlet 21 and a water outlet 22 are formed in the wall shell of the electric toothbrush water inlet protection cover shell of the water feeding channel 2, the water outlet 22 is positioned in the toothbrush head protection cover shell 1 and used for feeding water into an oral cavity, when the water feeding channel 2 is arranged inside the toothbrush head protection cover shell 1, the water feeding channel can be a water pipe laid on the inner wall of the toothbrush head protection cover shell 1, an inner shell can be clamped on the inner wall of the toothbrush head protection cover shell 1, a channel is formed between the inner shell and the inner wall of the toothbrush head protection cover shell 1, and the; when the water delivery channel 2 is arranged outside the toothbrush head protective housing 1, a water pipe can be laid on the outer wall of the toothbrush head protective housing 1, and the starting end and the tail end of the water pipe are arranged in the toothbrush head protective housing 1 in a penetrating way. The water inlet 21 may be located at the rear end of the toothbrush head protection housing 1, and a pipe joint is installed at the water inlet 21, and the water inlet 21 may also be located at the side wall shell of the toothbrush head protection housing 1, and a pipe joint is installed at the water inlet 21, preferably, the water inlet 21 should be located at the rear end of the toothbrush head protection housing 1, so as to better ensure the cleanness at the water inlet 21, and provide better controllability when brushing teeth. The number of the water outlets 22 is multiple, all the water outlets 22 are sequentially arranged along the end part of the toothbrush head protective casing 1, the water outlets 22 are preferably close to the bristle positions of the toothbrush head of the electric toothbrush to be installed, part of the water outlets 22 point to the bristle positions, and the water outlets 22 pointing to the bristle positions should be pointed to the bristle positions as obliquely as possible so as to better wash the bristles when spraying water.

The toothbrush head protective cover 1 can be made of hard rubber or soft rubber according to the specific form of the electric toothbrush. For example, the electric toothbrush is mechanical, the toothbrush head does not vibrate or the vibration degree is weak, the toothbrush head protective housing 1 can adopt a soft rubber housing, and the toothbrush head protective housing 1 and the toothbrush head of the electric toothbrush arranged in the housing can be mutually attached to wrap the toothbrush head; for another example, if the electric toothbrush is of a sound wave type, the toothbrush head has a strong vibration degree, the toothbrush head protective housing 1 needs to be a hard rubber shell, and a gap 4 is formed between the toothbrush head protective housing 1 and the toothbrush head of the electric toothbrush contained therein, so that the toothbrush head protective housing 1 and the toothbrush head are separated by the gap 4 formed therebetween, and the vibration is prevented from being transmitted to the toothbrush head protective housing 1. Therefore, the toothbrush head protective cover 1 made of different materials can be selected according to different forms of the electric toothbrush, so as to obtain better experience.

This electric toothbrush protection casing of intaking can cup joint the tip portion of fixing at electric toothbrush's toothbrush handle through toothbrush handle end cover 12, makes electric toothbrush protection casing of intaking fixed with electric toothbrush, send water passageway 2 accessible water inlet 21 to insert towards tooth ware or water pump or tap etc. and introduce the washing water source, finally will wash water and derive from delivery port 22 and spout the oral cavity, can wash tooth and gum to can provide when brushing teeth the end and wash water help and wash toothbrush and oral cavity.

Example 2:

this embodiment is further optimized on the basis of above-mentioned embodiment, and further for better realization the utility model discloses, adopt the following structure that sets up very much:

the electric toothbrush water inlet protective cover also comprises a toothbrush handle protective cover 3, and the electric toothbrush water inlet protective cover is an integrated structural component. The handle protective case 3 is a semi-enclosed structure having a bottom wall, two side walls and a rear wall, both sides of the bottom wall are connected to the respective side walls, the two side walls are connected by the rear wall, the inside of the handle protective case 3 is a second cavity 31 for accommodating a handle of the electric toothbrush, the bottom wall and both side walls of the rear end of the handle protective case 3 form a mounting seat 32, and the front surface of the handle protective case 3 has no wall case and forms a second window 33 for exposing an operation end surface of the handle of the electric toothbrush accommodated in the second cavity 31. The head end of the toothbrush handle protective cover 3 is connected with the tail end of the toothbrush head protective cover 1 and communicated with the same, the first cavity 11 is communicated with the second cavity 31, and the first window 13 and the second window 33 are communicated with each other to form a complete window, so that the whole electric toothbrush connected with the toothbrush head and the toothbrush handle can be conveniently installed. The water feeding channel 2 arranged on the toothbrush head protective cover 1 extends to the toothbrush handle protective cover 3. The bottom of the mounting base 32 has a charging port 34 through the charger to charge the electric toothbrush when the electric toothbrush water intake guard is not removed.

When the water feeding channel 2 is arranged in the electric toothbrush water inlet protective cover, the water feeding channel can be a water pipe paved on the inner wall of the toothbrush head protective cover 1 and the inner wall of the toothbrush handle protective cover 3, or an inner shell is clamped at the inner wall of the toothbrush head protective cover 1 and the inner wall of the toothbrush handle protective cover 3, a channel is formed between the inner shell and the inner wall of the toothbrush head protective cover 1 and the inner wall of the toothbrush handle protective cover 3, and the water pipe can be arranged in the channel or the water feeding channel 2 can be directly formed by the closed channel; when the water feeding channel 2 is arranged outside the water inlet protective cover of the electric toothbrush, water pipes can be laid on the outer wall of the toothbrush head protective cover 1 and the outer wall of the toothbrush handle protective cover 3, and the starting end and the tail end of each water pipe are respectively arranged in the toothbrush handle protective cover 3 and the toothbrush head protective cover 1 in a penetrating manner. The water inlet 21 may be located at the bottom end of the mounting seat 32 of the handle protective case 3 and a pipe joint is installed at the water inlet 21, and the water inlet 21 may also be located at the side wall case of the handle protective case 3 and a pipe joint is installed at the water inlet 21, preferably, the water inlet 21 should be located at the rear end of the handle protective case 3 to better ensure cleaning at the water inlet 21 and provide better maneuverability when brushing teeth.

When adopting above-mentioned structure of setting up, this electric toothbrush protective cover that intakes can connect electric toothbrush's toothbrush handle through mount pad 32 and cup joint through toothbrush handle end cover 12 and fix the tip portion at electric toothbrush's toothbrush handle, it is fixed with electric toothbrush to make electric toothbrush protective cover that intakes, send water passageway 2 accessible water inlet 21 to insert towards tooth ware or water pump or water tap etc. and introduce and wash the water source, finally will wash water and lead out the jet-inlet intracavity from delivery port 22, can wash tooth and gum, and can provide when brushing teeth the end and wash water help and wash toothbrush and oral cavity. The electric toothbrush water inlet protection cover comprising the toothbrush handle protection cover case 3 can move the water inlet 21 down to the toothbrush handle, better controllability can be obtained, and the electric toothbrush water inlet protection cover comprising the toothbrush handle protection cover case 3 can be more stably fixed with the electric toothbrush.

The toothbrush handle protective cover 3 can be a hard rubber shell or a soft rubber shell, wherein the material of the toothbrush handle protective cover 3 is preferably selected to be consistent with the toothbrush head protective cover 1, so that the production and the processing are convenient. When the toothbrush handle protective cover 3 is a hard rubber shell, a gap 4 is formed between the toothbrush handle and the electric toothbrush filled in the toothbrush handle protective cover 3, when the toothbrush handle protective cover 3 is a soft rubber shell, the toothbrush handle protective cover is attached to the toothbrush handle of the electric toothbrush filled in the toothbrush handle protective cover, and the hard rubber shell or the soft rubber shell is selected for the toothbrush handle protective cover 3 and is determined according to the selection of the toothbrush head protective cover 1 or the hand feeling requirement.

Example 3:

in addition to the above embodiments, the present embodiment further provides an electric toothbrush, which can provide the function of rinsing the oral cavity and the function of protecting the teeth, and can improve the use feeling of the electric toothbrush and the cleaning effect of the oral cavity and the toothbrush, and particularly adopts the following arrangement structure:

the electric toothbrush comprises a toothbrush head and a toothbrush handle which are detachably connected and the water inlet protective cover of the electric toothbrush in the embodiment 2. The bottom seat of the toothbrush handle of the electric toothbrush is fixed at the mounting seat 32 in a clamping way, and the end head part of the toothbrush handle of the electric toothbrush is fixedly sleeved with the end head sleeve 12 of the toothbrush handle. During charging, the charging post can pass through the charging port 34, and the electric toothbrush can be charged when the water inlet protective cover of the electric toothbrush is not taken down. The electric toothbrush water inlet protective cover is arranged at the electric toothbrush, the water delivery channel 2 can be connected with a tooth rinsing device or a water pump or a water tap and the like through the water inlet 21 to introduce a rinsing water source, finally rinsing water is led out of the water outlet 22 to the spray inlet cavity, so that teeth and gum can be rinsed, and rinsing water can be provided to help rinse the toothbrush and the oral cavity after tooth brushing. The toothbrush handle protective cover 3 and the toothbrush head protective cover 1 can separate the toothbrush head or include the toothbrush head to prevent the vibration from being transmitted to the toothbrush head protective cover 1 or reduce the vibration from being transmitted to the toothbrush head protective cover 1, and prevent the vibration from being excessively transmitted to the teeth.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. Electric toothbrush protection casing that intakes, its characterized in that: comprises a toothbrush head protective cover shell (1);

the inner side of the toothbrush head protective casing (1) is provided with a first cavity (11) for accommodating the toothbrush head of the electric toothbrush;

the toothbrush head protection cover (1) is characterized in that a toothbrush handle end head sleeve (12) is arranged at the tail end of the toothbrush head protection cover (1), the toothbrush handle end head sleeve (12) is used for being connected with the end head of a toothbrush handle so as to fix the toothbrush head protection cover (1), and the first cavity (11) penetrates through the end part of the tail end of the toothbrush handle end head sleeve (12) and is used for penetrating through the toothbrush head of an electric toothbrush;

the front surface of the toothbrush head protection cover shell (1) is provided with a first window (13) exposing the first cavity (11), and the first window (13) is used for accommodating the toothbrush head of the electric toothbrush and leaking bristles of the electric toothbrush accommodated in the first cavity (11);

toothbrush head protective housing (1) is provided with and send water passageway (2), send water passageway (2) in electric toothbrush advances the wall shell department of water protective housing and forms water inlet (21) and delivery port (22), delivery port (22) are located toothbrush head protective housing (1) and are used for sending water to the oral cavity.

2. The electric toothbrush water intake shield of claim 1, wherein: the water inlet (21) is positioned at the end part of the tail end of the toothbrush head protective housing (1), and a pipe joint is arranged at the water inlet (21).

3. The electric toothbrush water intake shield of claim 1, wherein: the water inlet (21) is positioned at the side wall shell of the toothbrush head protective housing (1), and a pipe joint is installed at the water inlet (21).

4. The electric toothbrush water intake shield of claim 1, 2 or 3, wherein: toothbrush head protective housing (1) is the ebonite shell, toothbrush head protective housing (1) has clearance (4) with pack into between its electric toothbrush's the toothbrush head in it, or, toothbrush head protective housing (1) is the ebonite shell, toothbrush head protective housing (1) and the toothbrush head laminating of packing into its electric toothbrush in it.

5. The electric toothbrush water intake shield of claim 1, wherein: the electric toothbrush water inlet protective cover also comprises a toothbrush handle protective cover shell (3), wherein the inner side of the toothbrush handle protective cover shell (3) is a second cavity (31) for accommodating a toothbrush handle of the electric toothbrush, the tail end of the toothbrush handle protective cover shell (3) is provided with a mounting seat (32), and the front surface of the toothbrush handle protective cover shell (3) is provided with a second window (33) for exposing the operation end surface of the toothbrush handle of the electric toothbrush filled in the second cavity (31); the head end of the toothbrush handle protective cover (3) is connected with the tail end of the toothbrush head protective cover (1), the first cavity (11) is communicated with the second cavity (31), and the first window (13) and the second window (33) are communicated with each other to form a complete window;

the toothbrush head protective cover (1) is provided with the water feeding channel (2) extending to the toothbrush handle protective cover (3).

6. The electric toothbrush water intake shield of claim 5, wherein: the water inlet (21) is positioned at the end part of the tail end of the toothbrush handle protective cover (3), and a pipe joint is arranged at the water inlet (21).

7. The electric toothbrush water intake shield of claim 5, wherein: the water inlet (21) is positioned at the side wall shell of the toothbrush handle protective cover shell (3), and a pipe joint is installed at the water inlet (21).

8. The electric toothbrush water intake shield of claim 5, wherein: the bottom of the mounting seat (32) is provided with a charging port (34) which penetrates through the charger.

9. The electric toothbrush water intake shield of claim 5, 6, 7 or 8, wherein: the toothbrush head protective cover shell (1) is a hard rubber shell, a gap (4) is formed between the toothbrush head protective cover shell (1) and a toothbrush head of the electric toothbrush filled in the toothbrush head protective cover shell, or the toothbrush head protective cover shell (1) is a soft rubber shell, and the toothbrush head protective cover shell (1) is attached to the toothbrush head of the electric toothbrush filled in the toothbrush head protective cover shell; the toothbrush handle protective cover (3) is a hard rubber shell, or the toothbrush handle protective cover (3) is a soft rubber shell, and the toothbrush handle protective cover (3) is attached to a toothbrush handle of an electric toothbrush filled in the toothbrush handle protective cover.

10. An electric toothbrush, characterized in that: comprising a detachably connected toothbrush head and toothbrush handle and a power toothbrush water intake shield as claimed in any one of claims 1 to 9.

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