CN210433030U

CN210433030U - Pneumatic toothbrush

Info

Publication number: CN210433030U
Application number: CN201921394587.3U
Authority: CN
Inventors: 王林峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-01
Anticipated expiration: 2029-08-26

Abstract

The utility model provides a pneumatic toothbrush relates to oral cavity cleaning equipment's technical field, has mainly solved the easy friction of prior art brush type toothbrush head, short and the poor technical problem of cleaning performance of life. The pneumatic toothbrush comprises a pressure accumulator, a liquid storage tank and a toothbrush body, wherein the pressure accumulator is connected with the liquid storage tank through a pipeline; the liquid storage tank is used for storing cleaning liquid and is communicated with the toothbrush body through a pipeline; the toothbrush body comprises a toothbrush head and an injection hole, and the injection hole is positioned on the toothbrush head, so that cleaning liquid in the liquid storage tank can enter the toothbrush body under the action of the pressure storage device and can be injected out from the injection hole. The utility model discloses utilize pressure accumulator to provide high-pressure gas for the washing liquid that holds in the liquid jar can be from the quick blowout of jet orifice under high-pressure gas's effect, realizes washing to the tooth. Therefore, when the pneumatic toothbrush is used for cleaning teeth, the toothbrush head is not required to be in direct contact with and/or rub against the surfaces of the teeth, so that the toothbrush head is prevented from being abraded, and the service life of the toothbrush is prolonged.

Description

Pneumatic toothbrush

Technical Field

The utility model relates to a technical field of oral cavity cleaning equipment especially relates to a pneumatic toothbrush.

Background

Toothbrushes are used as a kind of oral cleaning device, mainly for cleaning attached dirt on teeth in the oral cavity, such as: food debris and bacteria.

Toothbrushes of the prior art have primarily utilized bristles that rub back and forth along the tooth surfaces or have cleaned the dirt from the tooth surfaces by oscillating the bristles. In particular, the prior art toothbrushes have at least the following disadvantages in the process of cleaning the teeth:

1. bristles on a toothbrush head are easily abraded or bent and collapsed in the using process, so that the cleaning capability of teeth is reduced, and the service life of the existing brush type toothbrush is prolonged;

2. the existing brush type toothbrush has poor cleaning effect on dirt in tooth gaps due to small gaps among the tooth gaps and uncertainty of the opening direction of the gaps.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide a pneumatic toothbrush, solved the easy friction of prior art brush toothbrush head, short service life and the poor technical problem of cleaning performance. The utility model discloses a great deal of beneficial effect can be reached in the preferred embodiment, specifically see the following explanation.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model discloses a pneumatic toothbrush includes pressure accumulator, holds liquid jar and toothbrush body, and pressure accumulator passes through the pipe connection with holding the liquid jar. The liquid storage tank stores cleaning liquid and is communicated with the toothbrush body through a pipeline. The toothbrush body comprises a toothbrush head and an injection hole, and the injection hole is positioned on the toothbrush head, so that cleaning liquid in the liquid storage tank can enter the toothbrush body under the action of the pressure storage device and can be injected out from the injection hole.

According to a preferred technical scheme, the pressure accumulating device comprises a pressurizing unit and a pressure accumulating unit, the pressurizing unit is communicated with the pressure accumulating unit, and high-pressure gas generated by the pressurizing unit can enter the pressure accumulating unit. The pressure accumulation unit is communicated with the liquid accumulation tank.

According to a preferred embodiment, the pressure accumulator further comprises a pressure controller, so that the pressure in the pressure accumulator is displayed and regulated by the pressure controller.

According to a preferred solution, the pneumatic toothbrush further comprises a stirring device, the stirring device being located in the reservoir tank.

According to a preferred embodiment, the pneumatic toothbrush comprises a plurality of liquid storage tanks, and the liquid storage tanks respectively store different types of cleaning liquids.

According to a preferred technical scheme, the pneumatic toothbrush further comprises a first valve, and the first valve is positioned on a pipeline for communicating the liquid storage tanks with the toothbrush body, so that the first valve can control the communication state of one or more liquid storage tanks with the toothbrush body.

According to a preferred solution, the pneumatic toothbrush further comprises a quick coupling located on the conduit between the first valve and the toothbrush body.

According to a preferred technical scheme, a branch joint is arranged between the first valve and the toothbrush body, a plurality of branch interfaces are arranged on the branch joint, and second valves are arranged on the branch interfaces, so that the liquid storage tank can be connected with a plurality of toothbrush bodies simultaneously.

According to a preferred embodiment, the spray apertures are located on a side of the head adjacent to and/or in close proximity to the teeth so that the tooth cleaning fluid can be sprayed through the spray apertures onto the surface of the teeth of the person.

According to a preferred technical scheme, the toothbrush body still includes the flexion, and the flexion is provided with the skeleton, and the skeleton is embedded in the toothbrush body to make the flexion can the skeleton keep different bending angle.

The utility model provides a pneumatic toothbrush has following beneficial technological effect at least:

pneumatic toothbrush utilize pressure accumulator to provide high-pressure gas for holding the liquid jar, and then make the tooth cleaning solution that holds in the liquid jar jet along the jet orifice on the pipeline follow toothbrush body under high-pressure gas's effect and go out. Specifically, the cleaning liquid sprayed at a high speed impacts the surfaces of the teeth, so that dirt on the surfaces of the teeth is separated from the teeth under the impact of the cleaning liquid, and the purpose of cleaning the teeth is achieved. Pneumatic toothbrush is the velocity of water when utilizing the injection of washing liquid to wash the tooth, avoids toothbrush head and tooth direct contact friction, and then can avoid the toothbrush head wearing and tearing to appear in the use, improves the life of toothbrush head to it can reach the tooth gap to spray liquid, and does not receive the influence of tooth gap opening size and/or direction.

Furthermore, the utility model discloses preferred technical scheme can also produce following technological effect:

the utility model discloses preferred technical scheme's pneumatic toothbrush is used for storing different tooth cleaning solutions respectively through setting up a plurality of liquid jars that hold for the user can have more and need select different washing liquids to wash the tooth.

The utility model discloses preferred technical scheme's pneumatic toothbrush is through setting up quick-operation joint, and then makes different people can improve pressure accumulator and hold the utilization ratio of liquid jar through changing the toothbrush body, and especially hotel, hotel can hold pressure accumulator and hold the liquid jar through the installation for the visitor only need carry the toothbrush body can, need not the visitor and carry toothpaste and tooth glass. On the other hand, the user can install different toothbrush bodies according to actual conditions, and then satisfy different user's demand.

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 view of a first preferred embodiment pneumatic toothbrush of the present invention;

FIG. 2 is a schematic view of a first preferred embodiment toothbrush body of the present invention;

FIG. 3 is a schematic view of a second preferred embodiment toothbrush body of the present invention;

FIG. 4 is a cross-sectional view of a first preferred embodiment of the toothbrush body shown in FIG. 3 of the present invention;

FIG. 5 is a cross-sectional view of a second preferred embodiment of the toothbrush body shown in FIG. 3 of the present invention;

FIG. 6 is a schematic view of a second preferred embodiment pneumatic toothbrush of the present invention;

fig. 7 is a schematic view of a third preferred embodiment pneumatic toothbrush of the present invention.

In the figure, 1-a pressure accumulator; 11-a pressurizing unit; 12-a pressure accumulator unit; 13-a pressure controller; 14-an electricity storage device; 15-a manual pressurizing unit; 151-electric pressurizing unit; 152-a manual pressurization unit; 2-a liquid storage tank; 3-a toothbrush body; 31-toothbrush head; 32-an injection hole; 33-a switch; 4-a stirring device; 5-a first valve; 6-a quick connector; 7-a branched linker; 71-a second valve; 8-a pipeline; 9-pressure relief valve.

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.

Referring to fig. 1 to 6, a preferred embodiment pneumatic toothbrush comprises a pressure accumulator 1, a reservoir tank 2 and a toothbrush body 3. Wherein, the pressure accumulating device 1 is connected with the liquid accumulating tank 2 through a pipeline 8. The liquid storage tank 2 stores cleaning liquid, and the liquid storage tank 2 is communicated with the toothbrush body 3 through a pipeline 8. The toothbrush body 3 includes a brush head 31 and an injection hole 32, and the injection hole 32 is formed on the brush head 31 so that the cleaning liquid in the liquid storage tank 2 can enter the toothbrush body 3 and be injected from the injection hole 32 by the pressure accumulating device 1.

Preferably, the toothbrush body 3 is connected to the reservoir tank 2 through a pipe 8. Preferably, the length of the pipeline 8 between the toothbrush body 3 and the liquid storage tank 2 is 50 cm-120 cm.

Preferably, the pressure accumulator 1 and the reservoir tank 2 are connected as one body. Specifically, the pressure accumulator 1 and the reservoir tank 2 may be provided in the same housing, so that the pressure accumulator 1 and the reservoir tank 2 can be fixedly mounted on a wall and/or a floor.

In a preferred embodiment, the pneumatic toothbrush further comprises a seat. Preferably, the seat is matched with the toothbrush body 3 so that the toothbrush body 3 can be placed and/or inserted on the seat. Preferably, the seat body is provided with a groove and/or a hole matched with the toothbrush body 3, so that the toothbrush body 3 can be placed and/or inserted in the groove and/or the hole. Further preferably, the seat body is fixedly connected with the pressure accumulator 1 and the liquid storage tank 2.

As another preferred embodiment, the toothbrush head 31 is provided with bristles. Preferably, the brush of the brush head 31 is spaced apart from the injection holes 32. The preferred embodiment of the present invention, in combination with the bristles, provides a user with a variety of cleaning options. Specifically, the user can clean teeth by spraying and washing according to the requirement, or can spray cleaning liquid by using the spray holes 32 and then clean teeth by using a brush brushing method; the cleaning device can also be used for cleaning dirt on teeth in a spray rinsing mode, and then a brush is used for assisting in cleaning liquid attached to the teeth.

As a preferred embodiment, the toothbrush body 3 is detachably connected to the pipe 8, or the pipe 8 connecting the toothbrush body 3 and the reservoir tank 2 is detachably connected to the reservoir tank 2. Thereby allowing the user to select different types of toothbrush bodies 3 as desired, for example: a toothbrush head 31 with bristles and a toothbrush head 31 without bristles are selected.

Preferably, the tooth cleaning solution can be saline, liquid toothpaste, clear water, oral air cleaning solution and/or oral disinfectant solution.

Above-mentioned preferred embodiment pneumatic toothbrush, need not the crowded toothpaste of user when using, also need not the user and use the glass of gargling to receive the water and gargle, and then can effectively simplify the operation of gargling, improve gargling efficiency.

Preferably, a switch 33 is provided in the toothbrush body 3, so that the switch 33 can control the opening and closing of the cleaning liquid passage in the toothbrush body 3, so that the user can control the state of spraying the tooth cleaning liquid by the pneumatic toothbrush. Specifically, when the switch 33 is turned on, the spouting holes 32 spout the tooth cleaning liquid, and when the switch 33 is turned on, the spouting holes 32 stop spouting the tooth cleaning liquid. Preferably, the switch 33 is a valve. More preferably, the switch 33 is a press type valve.

Referring to fig. 1 or 6, the pressure accumulating apparatus 1 includes a pressure increasing unit 11 and a pressure accumulating unit 12, the pressure increasing unit 11 is in communication with the pressure accumulating unit 12, and high-pressure gas generated by the pressure increasing unit 11 can enter the pressure accumulating unit 12. Preferably, the pressurizing unit 11 includes a manual pressurizing unit 152 and/or an electric pressurizing unit 151. Further preferably, the pressure accumulating unit 12 communicates with the liquid storage tank 2 so that the gas in the pressure accumulating unit 11 can enter the liquid storage tank 2.

Referring to fig. 6, as a preferred embodiment, the pressurizing unit 11 includes an electric pressurizing unit 151, for example: and a gas booster pump. Preferably, the pressurization unit 11 further comprises a manual pressurization unit 152, for example: an inflator. Preferably, the pressure accumulating apparatus 1 includes the electric storage device 14, and the electric storage device 14 is connected to the electric booster unit 151 so that the electric storage device 14 can supply electric power to the electric booster unit 151. Preferably, the power storage device 14 is a rechargeable battery, such as a lithium battery.

Referring to fig. 1 or 6, the pressure accumulating apparatus 1 further includes a pressure controller 13 to display and adjust the air pressure inside the pressure accumulating apparatus 1 by the pressure controller 13. Preferably, the pressure accumulating unit 12 is a gas tank for storing gas. Preferably, the pressure controller 13 includes a pressure gauge connected to the pressure accumulating unit 12 so that the pressure gauge can display a pressure value inside the pressure accumulating unit 12.

It is further preferable that the pressure controller 13 includes a pressure sensor located in the pressure accumulating unit 12 for sensing the air pressure inside the pressure accumulating unit 12, and a controller. Preferably, the pressure sensor is connected to a controller, and the controller is connected to the pressure unit 11, so that the controller can control the operating state of the pressure unit 11 based on the information sensed by the pressure sensor, for example, the air compressor in the prior art controls the operating state of the air compressor by sensing the air pressure in the air storage tank.

Referring to fig. 1 or 6, the pneumatic toothbrush further comprises a pressure relief valve 9. Preferably, the pressure relief valve 9 is connected to the pressure accumulating unit 12, so that the gas in the pressure accumulating unit 12 can be discharged through the pressure relief valve 9, thereby achieving the purpose of reducing the gas pressure in the pressure accumulating unit 12.

Referring to fig. 1 or 6, the pneumatic toothbrush further comprises a stirring device 4, the stirring device 4 being located within the reservoir 2. Preferably, the stirring device 4 comprises a motor and a stirring blade, wherein the motor is fixed on the liquid storage tank 2, the stirring blade is located in the liquid storage tank 2, and the motor and the stirring blade are connected through a transmission shaft, so that the motor can drive the stirring blade to rotate to stir the tooth cleaning liquid in the liquid storage tank 2. Agitating unit 4 can prevent effectively that the tooth cleaning solution layering from deposiing to each composition can the homogeneous mixing in the assurance tooth cleaning solution. Preferably, the stirring device 4 is connected to an electrical storage device 14, so that the electrical storage device can supply electrical energy to the stirring device.

Referring to fig. 1, 6 and 7, a pneumatic toothbrush of a preferred embodiment includes a plurality of liquid storage tanks 2, and the liquid storage tanks 2 store different types of cleaning liquids, respectively. Preferably, each of the plurality of liquid storage tanks 2 communicates with the pressure accumulating unit 12 so that the high-pressure gas in the pressure accumulating unit 12 can enter each liquid storage tank 2. Preferably, the accumulator unit 12 communicates with the reservoir tank 2 through the pipe 8.

Further preferably, a valve is provided between the pressure accumulator 12 and the liquid storage tank 2, and when in use, the valve between the pressure accumulator 12 and the liquid storage tank 2 is closed, and then the cleaning liquid is added and/or supplemented into the liquid storage tank 2. Preferably, 4 accumulator tanks 2 are included. Further preferably, 4 liquid storage tanks 2 are respectively used for storing the saline cleaning liquid, the liquid toothpaste cleaning liquid, the anti-inflammatory and anti-virus cleaning liquid and the breath cleaning liquid.

It should be noted that, in the above embodiment, by providing different liquid storage tanks 2, a user can select cleaning liquids with different tastes or different purposes to clean the oral cavity according to needs, and further more choices can be provided for the user, so as to meet the use requirements of different people.

In another preferred embodiment of the present invention, the plurality of liquid storage tanks 2 includes at least one liquid storage tank 2 for storing clean water, so that the user can directly spray clean water through the pneumatic toothbrush to clean the oral cavity and/or the pipe 8 of the pneumatic toothbrush.

It should be noted that the liquid storage tank 2 for storing clean water can be used for cleaning the cleaning liquid in the oral cavity after the user gargles, and can also be used for cleaning the residual tooth cleaning liquid in the toothbrush body 3 and/or the pipeline 8, thereby reducing the cleaning difficulty of the toothbrush.

Referring to fig. 1, 6 and 7, the pneumatic toothbrush further includes a first valve 5, and the first valve 5 is located on a pipe where the reservoirs 2 communicate with the toothbrush body 3 so that the first valve 5 can control the communication state of one or more reservoirs 2 with the toothbrush body 3. Preferably, the first valve is a 5-position solenoid valve. Preferably, the pneumatic toothbrush further comprises a circuit switch for controlling the first valve 5, so that a user can control the corresponding electromagnetic valve to open and/or close through the circuit switch, and further select different types of tooth cleaning liquids for oral cavity cleaning.

As an implementable alternative, the toothbrush body 3 is provided with a circuit switch which controls the first valve 5. Specifically, the first valve 5 is connected to a circuit switch on the toothbrush body 3, so that the circuit switch on the toothbrush body 3 can control the opening and closing of the first valve 5.

Further preferably, the first valve 5 is detachably connected with the circuit switch on the toothbrush body 3 through a lead, so that the toothbrush body 3 can be detached from the first valve 5. Preferably, the first valve 5 is plugged into a circuit switch on the toothbrush body 3, so that the first valve 5 and the circuit switch on the toothbrush body 3 can be electrically connected and/or disconnected by plugging and unplugging the plug.

Referring to fig. 1, the first valve 5 includes a plurality of valves, and the valves correspond to the liquid storage tanks 2 one by one, so that a user can select a cleaning liquid by opening different valves. Specifically, when a user needs a cleaning solution with a single taste, the user can open the corresponding valve to realize the cleaning. When a user desires to mix two and/or more types of cleaning fluids, the user may open two and/or more valves to effect mixing of the different types of cleaning fluids.

As a further practical alternative, the first valve 5 may also be a mixing valve, so that a user can select different cleaning liquids or mixtures of different cleaning liquids via the mixing valve.

Referring to fig. 1, 6 and 7, the pneumatic toothbrush further comprises a quick coupling 6, the quick coupling 6 being located on a pipe between the first valve 5 and the toothbrush body 3. Preferably, the two ends of the pipeline 8 between the valve 5 and the toothbrush body 3 are connected with the valve 5 and/or the toothbrush body 3 through the quick connectors 6.

The preferred embodiment connects the pipe 8 with the valve 5 and/or the toothbrush body 3 through the quick connector 6, so that the toothbrush body 3 and the liquid storage tank 2 can be disconnected, the liquid storage tank 2 in the pneumatic toothbrush can be connected with the toothbrush bodies 3 of different people, and the utilization rate of the pressure storage device 1 and the liquid storage tank 2 is improved.

Referring to fig. 1, 6 and 7, a branch joint 7 is provided between the first valve 5 and the toothbrush bodies 3, and a second valve 71 is provided on the branch joint 7 so that the reservoir tank 2 can be connected to a plurality of toothbrush bodies 3 at the same time.

In the preferred embodiment, the branch connector 7 is arranged, so that the liquid storage tank 2 can be connected with a plurality of toothbrush bodies 3 at the same time, and then, the requirement of washing by a plurality of people at the same time can be met. Specifically, when the toothbrush body 3 is connected to the branch connection port of the branch joint 7, the second valve 71 is opened. When the toothbrush body 3 is not connected to the branch connection in the branch joint 7, the second valve 71 is closed.

Referring to fig. 2 to 5, the pneumatic toothbrush includes a variety of toothbrush bodies 3. Preferably, spray apertures 32 are located on a side of head 31 adjacent to and/or in close proximity to the teeth so that tooth cleaning fluid can be sprayed onto the surface of the teeth of the individual through spray apertures 32. Specifically, referring to fig. 2, the toothbrush body 3 has the same shape as a toothbrush with a handle of the related art. Referring to fig. 2 to 5, the toothbrush body 3 may be formed in a toothbrush sheath shape, a U-shaped groove matched with the human teeth is formed on the toothbrush body 3, and the inner wall of the U-shaped groove is provided with the spray holes 32, so that the tooth cleaning liquid can be sprayed to the inner and outer side surfaces of the human teeth and the occlusal surface of the teeth at the same time, thereby achieving the purpose of cleaning the surface in all directions.

Preferably, the toothbrush head 31 is provided with the injection holes 32 and the bristles. As another preferred embodiment, the brush head 31 is provided with only the injection holes 32.

Preferably, the size of the toothbrush body 3 is the same as the size of a manual toothbrush in the prior art, and the manual toothbrush can be set to be various and/or different sizes, so as to meet different crowds.

In the above embodiment, by providing the toothbrush bodies 3 with different shapes, the user can select the toothbrush body 3 with the corresponding shape according to the preference of the user; through setting up toothbrush body 3 of equidimension not for toothbrush body 3 can be applicable to the crowd of different age stages and use, and the size that is applicable to toothbrush body 3 that children used for example is less, and the size that is applicable to toothbrush body 3 that adult used is great.

As a preferred embodiment of the present invention, the toothbrush body 3 further includes a bending portion, the bending portion is provided with a skeleton, and the skeleton is embedded in the toothbrush body 3, so that the bending portion can keep different bending angles of the skeleton. Preferably, the skeleton may be a gooseneck. During the use, through applying effort to toothbrush body 3 for metal pole bending angle and/or radian change, and then make the bending angle of flexion department change, so that the user can adjust the injection angle that jet orifice 32 jetted out the tooth washing liquid as required.

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. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A pneumatic toothbrush is characterized by comprising a pressure accumulator (1), a liquid storage tank (2) and a toothbrush body (3), wherein the pressure accumulator (1) is connected with the liquid storage tank (2) through a pipeline; the liquid storage tank (2) stores cleaning liquid, and the liquid storage tank (2) is communicated with the toothbrush body (3) through a pipeline (8); the toothbrush body (3) comprises a toothbrush head (31) and an injection hole (32), wherein the injection hole (32) is formed in the toothbrush head (31) so that cleaning liquid in the liquid storage tank (2) can enter the toothbrush body (3) under the action of the pressure storage device (1) and is sprayed out from the injection hole (32).

2. The pneumatic toothbrush according to claim 1, wherein the pressure accumulating device (1) comprises a pressure increasing unit (11) and a pressure accumulating unit (12), the pressure increasing unit (11) is communicated with the pressure accumulating unit (12), and high-pressure gas generated by the pressure increasing unit (11) can enter the pressure accumulating unit (12); the pressure accumulation unit (12) is communicated with the liquid storage tank (2).

3. A pneumatic toothbrush according to claim 2, characterised in that the pressure accumulator (1) further comprises a pressure controller (13) to display and regulate the air pressure in the pressure accumulator (1) by means of the pressure controller (13).

4. A pneumatic toothbrush according to any one of claims 1 to 3, further comprising a stirring device (4), the stirring device (4) being located within the reservoir (2).

5. A pneumatic toothbrush according to claim 4, characterised by comprising a plurality of reservoirs (2), and the reservoirs (2) each store a different type of cleaning liquid.

6. The pneumatic toothbrush according to claim 5, further comprising a first valve (5), wherein the first valve (5) is located on a pipe where the liquid storage tanks (2) communicate with the toothbrush body (3) so that the first valve (5) can control the communication state of one or more liquid storage tanks (2) with the toothbrush body (3).

7. Pneumatic toothbrush according to claim 6, characterised by comprising a quick coupling (6), the quick coupling (6) being located on the line between the first valve (5) and the toothbrush body (3).

8. The pneumatic toothbrush according to claim 6, wherein a branch joint (7) is arranged between the first valve (5) and the toothbrush body (3), a plurality of branch joints are arranged on the branch joint (7), and a second valve (71) is arranged on each branch joint, so that the liquid storage tank (2) can be connected with a plurality of toothbrush bodies (3) at the same time.

9. A pneumatic toothbrush according to claim 1, characterised in that the spray apertures (32) are located on the side of the head (31) adjacent and/or engaging the teeth, so that the cleaning liquid can be sprayed through the spray apertures (32) onto the surface of the teeth.

10. The pneumatic toothbrush according to claim 1, characterized in that the toothbrush body (3) further comprises a bend provided with a skeleton embedded in the toothbrush body (3) such that the bend can maintain different bending angles of the skeleton.