CN111248613A - Toothbrush for testing bacterial plaque - Google Patents

Abstract

The invention relates to the technical field of oral hygiene cleaning products, and discloses a toothbrush for testing bacterial plaque, which comprises a toothbrush head and a handle, wherein bristles are fixedly arranged on the toothbrush head, a storage cavity for storing a bacterial plaque detection agent is arranged in the handle, a water outlet hole is formed in the toothbrush head, the water outlet hole is communicated with the storage cavity, and a valve for enabling water flow to flow from the storage cavity to the water outlet hole only is arranged between the storage cavity and the water outlet hole; the storage cavity is internally provided with an extruding mechanism used for pushing out the plaque detection agent, the extruding mechanism comprises a piston and a threaded rod, the piston is in sliding connection with the storage cavity, and the threaded rod is rotationally connected with the handle. The technical problem that the user cannot know the tooth cleaning condition in time due to the fact that the cleaning condition of the teeth cannot be checked in the prior art can be solved by the aid of the technical scheme.

Description

Toothbrush for testing bacterial plaque

Technical Field

The invention relates to the technical field of oral hygiene cleaning products, in particular to a toothbrush for plaque testing.

Background

The traditional toothbrush only has a cleaning function, and the research, development and improvement on the toothbrush are also limited in how to improve the cleaning function of the toothbrush. The electric toothbrush disclosed in the prior art can reduce the situation that the tooth cleaning effect is poor due to improper use method of the toothbrush, but a user still cannot check the tooth cleaning situation, the use method of the toothbrush cannot be improved and promoted, the situation that dead corners are generated during oral cleaning is easy to occur, dental plaque is remained on teeth, and the threat to the health of people is caused.

Disclosure of Invention

The invention aims to provide a toothbrush for testing bacterial plaque, and solves the technical problem that a user cannot know the tooth cleaning condition in time due to the fact that the tooth cleaning condition cannot be checked in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a toothbrush for testing bacterial plaque comprises a toothbrush head and a handle, wherein bristles are fixedly arranged on the toothbrush head, a storage cavity for storing a bacterial plaque detection agent is arranged in the handle, a water outlet hole is formed in the toothbrush head and communicated with the storage cavity, and a valve for enabling water flow to flow from the storage cavity to the water outlet hole only is arranged between the storage cavity and the water outlet hole; the storage cavity is internally provided with an extruding mechanism used for pushing out the plaque detection agent, the extruding mechanism comprises a piston and a threaded rod, the piston is in sliding connection with the storage cavity, and the threaded rod is rotationally connected with the handle.

The principle and the advantages of the scheme are as follows: the brush bristles can clean the teeth of a user, and the valve can limit the flow direction of fluid, so that the condition that the plaque detection agent is diluted due to the fact that water flows into the storage cavity through the water outlet hole in the process of brushing teeth is avoided, and the condition that the storage cavity and the plaque detection agent are polluted due to the fact that residues or dirt and the like which are brushed down flow into the storage cavity along with the water is also avoided; after the tooth is brushed, the user can drive the threaded rod to rotate, and the threaded rod drives the piston to slide in storing the intracavity to extrude the plaque detection agent of storing the intracavity, make plaque detection agent flow to the brush hair through the outlet, the person of being convenient for smears the plaque detection agent on the tooth, detects the plaque on the tooth.

The storage cavity of the scheme can store the dental plaque detection agent, and is convenient for a user to carry and use; before use, the dental plaque detection agent is directly placed in the storage cavity, and the aim of shaking and uniformly mixing the dental plaque detection agent can be achieved by the shaking of the toothbrush during tooth brushing; therefore, after the user brushes the teeth, the dental plaque detection agent can be more uniformly smeared on the teeth, so that the dental plaque on the teeth generates a color reaction, the user can conveniently observe and know the cleaning condition of the teeth, the user can more pertinently improve the tooth brushing mode, and the condition that the health of the body is influenced by the dental plaque generated on the teeth is avoided.

In actual life, a user rarely purchases a plaque testing agent by himself to detect the cleaning state of teeth, firstly, the operation is not standard when the plaque testing agent is dipped by a cotton swab or other tools, the residual plaque testing agent is easily polluted to cause the plaque testing to fail and waste, and secondly, the situation of uneven coating is easily caused when the plaque testing agent is coated on the teeth, so that the user can not accurately know the cleaning state of the teeth, and therefore the user generally performs plaque testing in a hospital, and the health condition of the teeth is judged; the method and the system enable the user to perform self-check at any time without queuing in a hospital, thereby saving queuing time; when the condition that the residual dental plaque on the teeth is detected to be serious, namely the color is changed violently, the user needs to go to the hospital for targeted treatment, so that the waste of time and energy caused by the fact that the user also goes to the hospital for examination when the targeted treatment is not needed is avoided.

Preferably, as an improvement, the threaded rod comprises a bidirectional screw and a bidirectional nut, the bidirectional screw is rotatably connected with the handle, and the bidirectional nut is fixed with the piston.

The bidirectional screw rod is used, so that when the motor runs, the piston can be driven to slide in the storage cavity in a reciprocating manner, and the piston can automatically reset after extruding the dental plaque detection agent, so that the dental plaque detection agent is convenient to use next time; and the scheme is more convenient for controlling the stroke of the piston, avoids the condition that the piston is blocked due to too long sliding distance and also can avoid the condition that the plaque detection agent cannot be completely extruded due to too short sliding distance of the piston.

Preferably, as an improvement, detachably fixedly connected with honeycomb duct on the handle, the one end of honeycomb duct with store the chamber intercommunication, the other end and the external world intercommunication of honeycomb duct, the intercommunication has the check valve that makes water can only flow to and store the chamber on the honeycomb duct.

The honeycomb duct of the scheme can guide the fluid, so that a user can suck the plaque detection agent into the storage cavity, and the repeated use is facilitated; meanwhile, the guide pipe can be communicated with a water source outside, so that a user can clean teeth by using the brush hair and wash parts such as slits between teeth by using water flow, and the cleaning condition of the teeth is further ensured.

Preferably, as an improvement, a flow channel is arranged in the toothbrush head, one end of the flow channel is communicated with the storage cavity, the other end of the flow channel is communicated with the water outlet hole, and a membrane bag is fixedly arranged in the flow channel; one end of the brush hair is fixed with the membrane bag, and the other end of the brush hair penetrates through the water outlet hole to extend to the outer side of the flow channel.

The brush bristles penetrate through the water outlet holes and extend into the flow channel, so that the liquid in the flow channel can be guided, and the bacterial plaque detection agent can be more uniformly impregnated on the brush bristles, so that the bacterial plaque detection agent can be more uniformly coated on teeth; compared with the material of the toothbrush head, the membrane bag is softer in material, so that in the process of brushing teeth by using the scheme, part of bristles facing to the teeth can be pushed into the toothbrush head, and the bristles facing to the gaps between the teeth can be popped out forwards along with the membrane bag, so that the bristles are more attached to the specific situation of a cleaning part, and the formation of a cleaning dead angle is avoided; meanwhile, after the part of bristles facing the teeth are pushed into the toothbrush head to a certain depth, the bristles abut against the inner wall of the toothbrush head, so that the surfaces of the teeth can be cleaned by the part of bristles facing the teeth; the apopore of this scheme can also carry on spacingly to the brush hair, makes to brush teeth and keep with toothbrush head vertically state, avoids the brush hair to take place crooked and the unable condition of cleaning the tooth appears.

Preferably, as an improvement, be equipped with the vibrating mechanism of drive membrane bag vibration in the toothbrush head, vibrating mechanism includes the actuating lever and the cam of reciprocal anchorage, and the cam is located the both sides of membrane bag respectively with the brush hair, and the one end and the toothbrush head of actuating lever rotate to be connected, and the other end and the threaded rod of actuating lever are fixed.

According to the scheme, the rotation of the threaded rod is utilized to drive the cam to rotate, and the cam can intermittently hit the membrane bag to enable the membrane bag to vibrate when rotating; the membrane bag vibrates to drive the bristles to reciprocate, so that the bristles continuously slide in the water outlet holes, and the water outlet holes extrude the bacterial plaque testing agent adhered to the bristles, so that the bacterial plaque testing agent can move to the tip parts of the bristles more easily, and a user can apply the bacterial plaque testing agent to teeth more easily; meanwhile, the membrane bag vibrates to drive the bristles to vibrate together, so that the bristles continuously protrude forwards, and the bristles can extend into the slits between the teeth, so that the color development reaction at the slits between the teeth is more obvious; the vibration of the brush hair can also massage the gum and slow down the discomfort of the gum.

Preferably, as an improvement, the edge of the membrane bag is fixed with the toothbrush head, a closed space is formed between one side of the membrane bag, which is connected with the bristles, and the toothbrush head, and a communicating hole is formed in one end of the membrane bag, which is far away from the handle.

The membrane bag of this scheme separates into two parts with the runner, makes the overhead one side of keeping away from the handle of the intercommunicating pore flow direction toothbrush head that flows out in storing the chamber to avoided plaque to detect the agent under the effect of gravity, flowed more in the apopore of following the handle, and the less condition of flowing out in the apopore of keeping away from the handle, and then avoided the brush hair of toothbrush upper end can not scribble the plaque of the capacity and detect the condition on the big tooth of oral cavity inside with the plaque.

Preferably, as an improvement, the communicating hole is a tapered hole, and the hole diameter of the communicating hole has a contractibility.

The scheme ensures that the communication hole on the membrane bag is in a closed state at ordinary times, thereby ensuring the cleanness of the flow channel; when a certain amount of the bacterial plaque detection agent is in the flow channel, the communicating hole is automatically opened under the action of water pressure, so that the bacterial plaque detection agent can flow to the brush hair through the communicating hole.

Preferably, as an improvement, the valve comprises a baffle and a valve plate, the baffle is fixed with the toothbrush head, and the baffle is provided with a valve hole matched with the valve plate; the valve plate is hinged with the baffle, is positioned on one side of the baffle close to the bristles, and is also provided with an elastic piece for tightly abutting the valve plate and the baffle.

The elastic component of this scheme makes valve plate and baffle keep supporting tight state to make the valve be in the normal close state, avoided the in-process of brushing teeth, rivers flow in through the apopore and store the chamber, lead to the condition that the plaque detects the agent and is diluted, also can avoid brushing the residue or dirt etc. that get off simultaneously and store the intracavity along rivers income, lead to storing the contaminated condition of chamber and plaque and detect the agent.

Preferably, as an improvement, a filter screen is fixedly arranged on the valve hole.

When the flaky plaque detection agent is used, the filter screen can filter the plaque detection agent which is not completely dissolved, and the situation that other parts are blocked due to the granular plaque detection agent is avoided.

Preferably, as an improvement, a motor is fixedly arranged in the handle, an output shaft of the motor is coaxially fixed with the threaded rod, and a power line of the motor is communicated with a key switch; the handle is provided with a button for pressing the key switch in a sliding way.

When this scheme of use, press the button and can extrude key switch to make the motor circular telegram begin to operate, the motor can drive the threaded rod and rotate, thereby realize driving piston self-sliding's purpose, avoided artifical extrusion piston to lead to the troublesome condition of operation.

Drawings

Fig. 1 is a front sectional view of a toothbrush for plaque testing according to a first embodiment of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a front sectional view of a second embodiment of the present invention.

Fig. 4 is a partially enlarged view of fig. 2.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: toothbrush head 1, handle 2, brush hair 3, apopore 4, storage chamber 5, baffle 6, valve plate 7, piston 8, threaded rod 9, motor 10, key switch 11, button 12, membrane bag 13, actuating lever 14, cam 15, water sucking hole 16.

Example one

As shown in the attached figures 1 and 2: toothbrush is used in plaque test, including toothbrush head 1 and handle 2, toothbrush head 1's right-hand member passes through screw thread fixed connection with the left end of handle 2, toothbrush head 1's lower surface joint is fixed and is equipped with brush hair 3, toothbrush head 1's lower surface is equipped with apopore 4, be equipped with storage chamber 5 of storage plaque detection agent in the handle 2, store chamber 5 and apopore 4 intercommunication, specifically be equipped with the runner in toothbrush head 1, the right-hand member of runner and storage chamber 5 intercommunication, the left end and the apopore 4 intercommunication of runner. A valve for enabling water flow to flow from the storage cavity 5 to the water outlet hole 4 is arranged between the storage cavity 5 and the water outlet hole 4, as shown in fig. 2, the valve comprises a baffle 6 and a valve plate 7, the baffle 6 is fixedly adhered to the inner peripheral wall of the flow channel, a valve hole matched with the valve plate 7 is formed in the baffle 6, and a filter screen is fixedly clamped on the valve hole; the valve plate 7 is hinged to the baffle 6 through a shaft pin, the valve plate 7 is located on the left side of the baffle 6, an elastic piece used for enabling the valve plate 7 to be tightly abutted to the baffle 6 is further arranged on the baffle 6, a torsion spring is taken as an example, the torsion spring is movably sleeved on the outer side of the shaft pin, one end of the torsion spring is tightly abutted to the baffle 6, and the other end of the torsion spring is fixed to the valve plate 7. In the actual production process, the position of valve can carry out the adaptability according to actual need and processing conditions and change, for example set up the valve to the left one end that is close to the toothbrush head, the inner space of reducible toothbrush head to reduce the condition that plaque detects the agent and remains in the toothbrush head.

An extrusion mechanism used for pushing out the plaque detection agent is arranged in the storage cavity 5 and comprises a piston 8 and a threaded rod 9, the piston 8 is axially and slidably connected with the storage cavity 5 through a sliding chute, the threaded rod 9 is rotatably connected with the handle 2, the threaded rod 9 is a bidirectional screw rod, a bidirectional nut is slidably matched on the bidirectional screw rod and is clamped and fixed with the piston 8, a through hole is formed in the right end of the handle 2, and the right end of the bidirectional screw rod penetrates through the through hole in a clearance mode so that the bidirectional screw rod can rotate relative to the handle 2; a motor 10 is fixedly clamped at the right end of the handle 2, a stepping motor 10 is taken as an example, the motor 10 is positioned at the right side of the bidirectional screw rod, an output shaft of the motor 10 is coaxially clamped and fixed with the threaded rod 9, a power line of the motor 10 is communicated with a key switch 11, and a button 12 for extruding the key switch 11 is arranged on the handle 2 in a sliding manner through a sliding chute; in fig. 1, the button 12 is disposed on the lower side of the handle 2 as an example, and in the actual production process, the position of the button 12 may be set at a position convenient for pressing according to the force application habit of the user.

The specific implementation process is as follows: when brushing teeth in daily life, the handle 2 is directly held by hand, and the brush 3 is used for brushing teeth. When the cleaning condition of teeth needs to be checked, the toothbrush head 1 is taken down from the handle 2, the plaque detection agent is put into the storage cavity 5, then the toothbrush head 1 is installed on the handle 2, and then normal tooth brushing is carried out; after the teeth are brushed, the bacterial plaque detection agent can be put into the storage cavity 5, and the normal use is not influenced.

Accomplish the clean back to the tooth, drive extrusion mechanism can extrude the plaque detection agent on brush hair 3 at the uniform velocity, handheld handle 2 this moment, with brush hair 3 on the plaque detection agent paint the tooth can, extrusion mechanism's specific operation process as follows: press button 12 and can extrude key switch 11 to make the circular telegram of motor 10 begin to operate, motor 10 can drive threaded rod 9 and rotate, and threaded rod 9 drives piston 8 and slides in storing chamber 5, thereby extrudeing the plaque detection agent in storing chamber 5, makes the plaque detection agent flow to brush hair 3 through apopore 4 on, convenient to use person paints the plaque detection agent on the tooth, detects the dental plaque on the tooth.

The storage cavity 5 of the scheme can store the dental plaque detection agent, and is convenient for a user to carry and use; directly put into the circumstances in the storage chamber 5 with plaque detection agent before brushing teeth under, the in-process of brushing teeth, the rocking of toothbrush can also play the purpose of rocking the misce bene to plaque detection agent, so, even the user uses is the flaky plaque detection agent, the toothbrush that also can this scheme of use dissolves the plaque detection agent and shakes evenly to make plaque detection agent can more evenly paint each position on the tooth. The scheme enables a user to paint the dental plaque detection agent on teeth for color reaction during daily tooth brushing, so that the user can observe and know the cleaning condition of the teeth conveniently, the tooth brushing mode can be improved more pertinently by the user, and the condition that the health of the user is affected by dental plaque generated on the teeth is avoided. The scheme uses the bidirectional screw rod, so that the motor 10 can drive the piston 8 to slide in the storage cavity 5 in a reciprocating manner when running, thereby realizing the automatic resetting of the piston 8 and facilitating the repeated use; in addition, the stroke of the piston 8 can be controlled conveniently, the situation that the piston 8 is blocked due to too long sliding distance is avoided, and the situation that the plaque detection agent cannot be extruded completely due to too close sliding distance of the piston 8 can also be avoided. The elastic component of this scheme makes valve plate 7 and baffle 6 keep supporting tight state to make the valve be in the normal close state, avoided the in-process of brushing teeth, rivers flow into through apopore 4 and store chamber 5, lead to the condition that the plaque detects the agent by dilution, also can avoid simultaneously brushing the residue or dirt etc. and follow rivers income storage chamber 5 in, lead to storing chamber 5 and the contaminated condition of plaque detect agent.

Example two

As shown in fig. 3, the difference between the first embodiment and the second embodiment is that a flow guide tube is detachably and fixedly connected to a handle 2, the head end of the flow guide tube is communicated with a storage cavity 5, the tail end of the flow guide tube is communicated with the outside, specifically, a water suction hole 16 is formed in the handle 2, the lower end of the water suction hole 16 is communicated with the storage cavity 5, a connecting part is formed on the inner peripheral wall of the upper end of the water suction hole 16, a connector matched with the connecting part is fixedly adhered to the head end of the flow guide tube, the connector is fixedly clamped with the connecting part; the draft tube is communicated with a one-way valve which ensures that water can only flow into the storage cavity 5 from the outside.

The membrane bag 13 is fixedly glued in the flow channel, the upper ends of the bristles 3 are fixedly glued with the membrane bag 13, and the lower ends of the bristles 3 penetrate through the water outlet hole 4 and extend to the outer side of the flow channel; a vibration mechanism for driving the membrane bag 13 to vibrate is arranged in the toothbrush head 1, the vibration mechanism comprises a driving rod 14 and a cam 15 which are fixed with each other, the cam 15 and the bristles 3 are respectively positioned at two sides of the membrane bag 13, the left end of the driving rod 14 is rotationally connected with the toothbrush head 1 through a shaft hole, and the right end of the driving rod 14 is fixedly clamped with the threaded rod 9; the baffle 6 is provided with a through hole for the driving rod 14 or the threaded rod 9 to pass through, the left end of the threaded rod 9 passes through the through hole and extends to the left side of the baffle 6, and the threaded rod 9 is connected with the baffle 6 in a sealing and rotating mode through the through hole. The edges of the membrane bag 13 are glued and fixed with the toothbrush head 1, a closed space is formed between the lower surface of the membrane bag 13 and the toothbrush head 1, and a communicating hole is formed in the left end of the membrane bag 13, so that when fluid flows into the lower side of the membrane bag 13 through a flow channel on the upper side of the membrane bag 13, the left bristles 3 are soaked firstly, and then flow rightwards to the positions of the right bristles 3; the communication hole is a tapered hole with a large upper part and a small lower part, and the position of the communication hole on the membrane bag 13 is shown in figure 4; the membrane bag 13 is made of elastic material, and rubber is taken as an example, so that the aperture of the communication hole has contractibility, the communication hole on the membrane bag 13 is in a closed state at ordinary times, and when the pressure applied to the membrane bag is increased, the communication hole is expanded and communicated.

During the concrete implementation, can be fixed to water sucking hole 16 with the connector on the honeycomb duct, and communicate the other end and the water source of honeycomb duct, for example, put into drinking cup or water tank etc., then press button 12 and can make motor 10 circular telegram, motor 10 drives threaded rod 9 and rotates, and then drive piston 8 and store chamber 5 internal reciprocating sliding, piston 8 produces the negative pressure when moving to the right and inhales water and stores in the chamber 5, extrude water from storing chamber 5 when moving to the left, because there is the check valve on the flow reversing pipe, so rivers can flow to the runner through the valve, finally flow through intercommunicating pore and apopore 4, wash the tooth, thereby the cleaning performance of toothbrush has been improved, the residue of dental plaque has been reduced.

When examining the dental plaque on the tooth, put into the place that holds the plaque detection agent with the free end of honeycomb duct, then starter motor 10 drives piston 8 and slides right and form the negative pressure in storing chamber 5 to inhale the plaque detection agent and store the chamber 5 in, so this scheme need not to unpack toothbrush head 1 and handle 2 apart, has avoided toothbrush head 1 to tear down the back, is not convenient for deposit and the easy contaminated condition.

When the bacterial plaque detection agent is smeared, the operation process of the extruding mechanism is the same as that of the first embodiment, meanwhile, the threaded rod 9 rotates and can also drive the driving rod 14 to rotate, the driving rod 14 drives the cam 15 to rotate, and the cam 15 rotates to intermittently hit the membrane bag 13 to enable the membrane bag 13 to vibrate; the membrane bag 13 vibrates to drive the brush bristles 3 to reciprocate, so that the brush bristles 3 continuously slide in the water outlet holes 4, the water outlet holes 4 extrude the bacterial plaque testing agent adhered to the brush bristles 3, and the bacterial plaque testing agent is easier to move to the positions at the lower ends of the brush bristles 3, so that a user can more easily apply the bacterial plaque testing agent to teeth; meanwhile, the membrane bag 13 vibrates to drive the bristles 3 to vibrate together, so that the bristles 3 continuously stretch and retract, the bristles 3 can extend into the tooth gaps, and the color reaction at the tooth gaps is more obvious; the vibration of the brush 3 can also massage the gum and relieve the discomfort of the gum.

Because the toothbrush head 1 is generally arranged on the upper side of the handle 2 in the using process of the toothbrush, the plaque detection agent is difficult to flow out of the water outlet hole 4 at the left end (viewing angle in figure 4) and wet the brush hair 3 at the left end (viewing angle in figure 4) under the action of gravity, so that the situation that little plaque detection agent is smeared on the large teeth in the oral cavity is easily caused. And the membrane bag 13 of this scheme separates the runner into upper and lower two parts, as shown in fig. 4, make the intercommunicating pore flow direction toothbrush head 1's left end position of plaque detection agent that flows out in the storage chamber 5 on through the membrane bag 13, plaque detection agent flows to the in-process of right end from toothbrush head 1's left end, can receive stopping of brush hair 3 and dip-dye brush hair 3 on the toothbrush head 1 in proper order, thereby avoided the plaque detection agent under the effect of gravity, it is more to flow out in the apopore 4 that is close to handle 2, and the less condition of outflow in the apopore 4 of keeping away from handle 2, and then avoided brush hair 3 of toothbrush upper end can not paint the condition on the inside big tooth of oral cavity with the plaque detection agent of capacity.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. Toothbrush is used in plaque test, including toothbrush head and handle, the overhead fixed brush hair that is equipped with of toothbrush, its characterized in that: a storage cavity for storing a bacterial plaque detection agent is arranged in the handle, a water outlet hole is arranged on the toothbrush head, the water outlet hole is communicated with the storage cavity, and a valve for enabling water flow to flow from the storage cavity to the water outlet hole only is arranged between the storage cavity and the water outlet hole; the storage cavity is internally provided with an extruding mechanism used for pushing out the plaque detection agent, the extruding mechanism comprises a piston and a threaded rod, the piston is in sliding connection with the storage cavity, and the threaded rod is rotationally connected with the handle.

2. The plaque testing toothbrush of claim 1, wherein: the threaded rod comprises a bidirectional screw and a bidirectional nut, the bidirectional screw is rotationally connected with the handle, and the bidirectional nut is fixed with the piston.

3. The plaque testing toothbrush of claim 1, wherein: detachably fixedly connected with honeycomb duct on the handle, the one end and the storage chamber intercommunication of honeycomb duct, the other end and the external intercommunication of honeycomb duct, the intercommunication has the check valve that makes water can only flow to the storage chamber on the honeycomb duct.

4. The plaque testing toothbrush of claim 1, wherein: a flow channel is arranged in the toothbrush head, one end of the flow channel is communicated with the storage cavity, the other end of the flow channel is communicated with the water outlet hole, and a membrane bag is fixedly arranged in the flow channel; one end of the brush hair is fixed with the membrane bag, and the other end of the brush hair penetrates through the water outlet hole to extend to the outer side of the flow channel.

5. The plaque testing toothbrush of claim 4, wherein: be equipped with the vibrating mechanism of drive membrane bag vibration in the toothbrush head, vibrating mechanism includes the actuating lever and the cam of reciprocal anchorage, and the cam is located the both sides of membrane bag respectively with the brush hair, and the one end and the toothbrush head of actuating lever rotate to be connected, and the other end and the threaded rod of actuating lever are fixed.

6. The plaque testing toothbrush of claim 4, wherein: the edge of the membrane bag is fixed with the toothbrush head, a closed space is formed between one side of the membrane bag, which is connected with the bristles, and the toothbrush head, and one end of the membrane bag, which is far away from the handle, is provided with a communicating hole.

7. The plaque testing toothbrush of claim 6, wherein: the communicating hole is a tapered hole, and the aperture of the communicating hole has contractibility.

8. The plaque testing toothbrush of claim 1, wherein: the valve comprises a baffle and a valve plate, the baffle is fixed with the toothbrush head, and the baffle is provided with a valve hole matched with the valve plate; the valve plate is hinged with the baffle, is positioned on one side of the baffle close to the bristles, and is also provided with an elastic piece for tightly abutting the valve plate and the baffle.

9. The plaque testing toothbrush of claim 8, wherein: and a filter screen is fixedly arranged on the valve hole.

10. The plaque testing toothbrush of claim 1, wherein: a motor is fixedly arranged in the handle, an output shaft of the motor is coaxially fixed with the threaded rod, and a power line of the motor is communicated with a key switch; the handle is provided with a button for pressing the key switch in a sliding way.

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