CN114081266B - A portable oral care instrument - Google Patents

Abstract

The invention relates to a portable oral care instrument, which comprises a brush body and a pump body; a water spraying pipeline and a water sucking pipeline are arranged in the brush body, and a switch for controlling the on-off of the water sucking pipeline is arranged on the brush body; the pump body is internally provided with a high-pressure cavity and a negative-pressure cavity which are not communicated with each other, the water spraying pipeline is communicated with the high-pressure cavity through a pipe fitting, the water sucking pipeline is communicated with the negative-pressure cavity through a pipe fitting, and the negative-pressure cavity is provided with a pressure valve for enabling external air to flow in. The invention uses the same pump body to control the work of the water spraying pipeline and the water sucking pipeline, and simplifies the structure of the oral care instrument, thereby being convenient for nursing staff to carry and operate the oral care instrument; the on-off of the water spraying pipeline can be directly controlled by the switch on the brush body, so that the operation difficulty of equipment is reduced, a nursing staff can hold the brush body by one hand to control the work of the whole oral care instrument, the nursing efficiency is greatly improved, and meanwhile, the nursing staff can leave one hand to deal with other conditions possibly occurring in the nursing process.

Description

A portable oral care instrument

technical field

The invention relates to the technical field of medical appliances.

Background technique

The cleaning and care of the human oral cavity is a daily routine that everyone must carry out every day. If you do not pay attention to the cleaning and care of the oral cavity, it is easy to cause bad breath and dental diseases. However, for patients who are comatose or seriously ill and unable to take care of themselves, it is difficult to use a toothbrush for daily oral care like normal people, especially for patients who are comatose or need to stay in bed, how to perform oral care It is also a problem that needs attention when avoiding lung infection caused by choking on sewage during cleaning.

The existing oral cleaning and nursing device for critically ill patients is generally composed of a toothbrush, a syringe and a negative pressure pump in parallel. Take a syringe at the same time, and connect the injection end of the syringe to the outlet pipe fixedly connected to the bristles of the toothbrush. When cleaning the patient's mouth, it is necessary to inject clean water into the patient's mouth with a syringe and clean the patient's mouth with a toothbrush. At the same time, it is necessary to control the work of the negative pressure pump in time to suck out the sewage and sputum in the patient's mouth, so as to avoid the impact of sewage on the patient's mouth. The patient's lungs become infected. Such a clean nursing device requires that the nursing staff need to control the work of the toothbrush, the syringe and the negative pressure pump at the same time. Toothbrush, syringe and negative pressure pump need to be replaced or cleaned every time cleaning, and the structure of the existing nursing device is too complicated, which is not conducive to the carrying and use of nursing staff.

Contents of the invention

In order to overcome the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a portable oral care instrument that is easy to use and carry and reduces the difficulty of operation by nurses.

In order to solve the above technical problems, the technical solution adopted by the present invention is: a portable oral care instrument, including a brush body and a pump body;

The inside of the brush body is provided with a water spray pipeline and a water suction pipeline, and the brush body is provided with a switch for controlling the on-off of the water suction pipeline;

The pump body is provided with a high-pressure chamber and a negative-pressure chamber that are not connected to each other. The water spray pipeline communicates with the high-pressure chamber through a pipe fitting, and the water-absorbing pipeline communicates with the negative-pressure chamber through a pipe fitting. There are pressure valves for the inflow of outside air.

Wherein, the brush body includes a brush head and a brush handle, and the water spray pipeline and the water suction pipeline are all located in the brush handle, and the brush head includes a bristle surface, a tongue fur cleaning surface arranged opposite to the bristle surface, and a brush surface located on the bristle surface. and the side edge surface between the tongue coating cleaning surface, the bristle surface is uniformly provided with a plurality of first water spray holes communicating with the water spray pipeline of the brush handle, and the tongue coating cleaning surface is provided with a plurality of first water spray holes connected with the water spray pipeline. The second water spray hole communicated with the pipeline, the aperture of the second water spray hole is smaller than the aperture of the first water spray hole, and the water suction hole communicated with the water suction pipeline is opened on the side edge surface.

Wherein, the brush head and the brush handle are detachably connected, and a slot is provided at one end of the brush head close to the brush handle, and a card protrusion is fixedly connected to the inner wall of the slot, and the brush handle is provided with a Corresponding to the protruding part, an L-shaped fixing groove is opened on the outer wall of the protruding part, and a sealing ring is sheathed on the outer side of the protruding part.

Wherein, the switch includes a pressing part, a block and an elastic reed, and the pressing part is elastically connected to the brush body through a spring. The side wall is provided with a triangular slot, and the side wall of the block is also provided with an inclined guide slot, the bottom end of the guide slot communicates with the top end of the slot, and the top end of the guide slot extends to the outside of the block. The top end of the elastic reed is fixedly connected to the inner wall of the water suction pipeline, and the bottom end of the elastic reed is provided with a block movable in the slot and the guide slot.

Wherein, the pump body includes a housing, a motor, a first gear set and a second gear set, the motor is fixedly connected to the outside of the housing, and the inside of the housing is provided with a first working chamber and a second working chamber, so The first gear set is connected with the power output shaft of the motor and located in the first working chamber, the second gear set is connected with the first gear set and located in the second working chamber, and the first gear set in the first working chamber is The two sides of the gear set are respectively the first high pressure side and the first low pressure side, the negative pressure chamber communicates with the first low pressure side of the first working chamber, and the two sides of the second gear set in the second working chamber are respectively the first Two high-pressure sides and a second low-pressure side, the high-pressure chamber communicates with the second high-pressure side of the second working chamber.

Wherein, the high-pressure chamber includes a large-diameter end and a small-diameter end, the cross-sectional area of the high-pressure chamber decreases linearly from the large-diameter end to the small-diameter end, the large-diameter end is connected to the second high-pressure side, and the small-diameter The end is connected to the water spray pipe through a pipe fitting.

Wherein, the pump body also includes a transmission assembly, and a transmission chamber between the first working chamber and the second working chamber is opened in the housing, the transmission assembly is connected in the transmission chamber, and the second gear set passes through The transmission assembly is connected with the first gear assembly.

Wherein, the pipe fitting includes a flexible pipe, a first connecting portion and a second connecting portion, the first connecting portion is fixedly connected to the end of the flexible pipe, and the second connecting portion is fixedly connected to the brush body or the pump body, The first connection part and the second connection part are connected by threads.

Wherein, it also includes a clean water box and a dirty water box detachably connected to the pump body, the clean water box communicates with the high-pressure chamber through the pump body, and the dirty water box communicates with the negative pressure chamber through the pump body.

Wherein, it also includes a controller and a display screen electrically connected to the controller, a first sensor is arranged in the clean water box, a second sensor is arranged in the dirty water box, and the first sensor and the second sensor are connected with the control panel respectively. The controller is electrically connected to the controller, and the controller is also electrically connected to the power supply of the pump body.

The beneficial effect of the present invention is that: the same pump body is used to control the work of the water spray pipeline and the water suction pipeline, which simplifies the structure of the oral care instrument, thereby facilitating the nursing staff to carry and operate the oral care instrument; the water spray pipeline The on-off of the brush body can be directly controlled by the switch on the brush body, which further reduces the operation difficulty of the equipment, so that the nursing staff only need to hold the brush body with one hand to control the work of the entire oral care instrument, which not only greatly improves the nursing efficiency, At the same time, the nursing staff can free up one hand to deal with other situations that may occur during the nursing process; the pressure valve can reduce the internal and external pressure difference of the negative pressure chamber when the suction pipeline is cut off, and avoid damage to the pump body.

Description of drawings

Fig. 1 shows the structural schematic diagram of the first viewing angle of the portable oral care instrument in the specific embodiment of the present invention;

Fig. 2 is a schematic view showing the structure of the second viewing angle of the portable oral care instrument in a specific embodiment of the present invention;

Fig. 3 shows the sectional view of the brush body in the specific embodiment of the present invention;

Fig. 4 shows the schematic diagram of the split structure of the brush body in the specific embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a switch in a specific embodiment of the present invention;

Fig. 6 shows the structural representation of the pump body in the specific embodiment of the present invention;

Fig. 7 shows the sectional view of the pump body in the specific embodiment of the present invention;

Fig. 8 shows the sectional view of the pump body A-A direction in Fig. 7 of the present invention;

Fig. 9 shows the sectional view of the pump body B-B direction in Fig. 7 of the present invention;

Fig. 10 shows the sectional view of the C-C direction of the pump body in Fig. 7 of the present invention;

Label description:

1. Brush body; 11. Brush head; 111. First water spray hole; 112. Second water spray hole; 113. Suction hole; 114. Slot; 115. Card protrusion; 12. Brush handle; 121. Protrusion 122, fixed groove; 2, pump body; 21, shell; 211, first working chamber; 212, second working chamber; 213, transmission chamber; 22, motor; 23, first gear set; 24, the first Two gear sets; 25. Transmission components; 26. Clean water box; 27. Sewage box; 3. Water spray pipeline; 4. Water suction pipeline; 5. Switch; 51. Pressing part; 52. Block; ; 522, guide groove; 53, elastic reed; 531, block; 6, high pressure chamber; 7, negative pressure chamber; 71, pressure valve; , the second connecting part; 9, the display screen.

Detailed ways

In order to describe the technical content, achieved goals and effects of the present invention in detail, the following descriptions will be made in conjunction with the embodiments and accompanying drawings.

Please refer to Figures 1 to 10, the portable oral care instrument of the present invention includes a brush body 1 and a pump body 2;

The inside of the brush body 1 is provided with a water spray pipeline 3 and a water suction pipeline 4, and the brush body 1 is provided with a switch 5 for controlling the on-off of the water suction pipeline 4;

The pump body 2 is provided with a high pressure chamber 6 and a negative pressure chamber 7 which are not connected to each other, the water spray pipeline 3 communicates with the high pressure chamber 6 through a pipe fitting 8, and the water suction pipe 4 communicates with the negative pressure chamber through a pipe fitting 8. 7, and the negative pressure chamber 7 is provided with a pressure valve 71 for allowing outside air to flow in.

When the nurse cleans and cares the patient's oral cavity, he only needs to insert the brush body 1 into the patient's mouth, and then turn on the power supply of the pump body 2 to make the pump body 2 start to work. A high pressure is formed in the chamber 6, and a negative pressure is formed in the negative pressure chamber 7 at the same time. The high pressure in the high pressure chamber 6 can transport the clean water in it to the water spray pipe 3 of the brush body 1 through the pipe fitting 8 and flow through the water spray pipe. to the patient's oral cavity, so as to cooperate with the brush body 1 to clean the patient's oral cavity.

At the beginning of cleaning, the nursing staff can cut off the water suction pipeline 4 by pressing the switch 5 on the brush body 1. At this time, the water suction pipeline 4 cannot generate suction to the patient's mouth, so as to avoid clear water just flowing into the patient's mouth Just be absorbed by suction pipeline 4. Since the water suction pipeline 4 is cut off, the pressure in the negative pressure chamber 7 will continue to decrease. When the pressure difference between the pressure in the negative pressure chamber 7 and the external pressure reaches the threshold of the pressure valve 71, the pressure valve 71 will be closed under the action of the pressure difference. Open, so that the outside air is sucked into the negative pressure chamber 7 to prevent the pump body 2 from being damaged due to an excessive pressure difference between the inside and outside of the negative pressure chamber 7 .

When the cleaning is carried out to a certain extent, the switch 5 can be pressed again to connect the water suction pipeline 4, and the water suction pipeline 4 can generate suction, thereby absorbing the sewage and sputum in the patient's mouth in time, and at the same time, the water spray pipe The work of the pipeline 3 and the suction pipeline 4 is automatically controlled by the same pump body 2, and no additional operation is required by the nursing staff. Therefore, the nursing staff only needs to control the movement of the brush body 1, which greatly reduces the difficulty of operation.

Example

As shown in Figures 1 and 2, a portable oral care instrument includes a brush body 1 and a pump body 2;

The inside of the brush body 1 is provided with a water spray pipeline 3 and a water suction pipeline 4, and a switch 5 for controlling the on-off of the water suction pipeline 4 is provided on the brush body 1;

The pump body 2 is provided with a high-pressure chamber 6 and a negative-pressure chamber 7 that are not connected to each other. The water spray pipeline 3 communicates with the high-pressure chamber 6 through a pipe fitting 8, and the suction pipeline 4 communicates with the negative-pressure chamber 7 through a pipe fitting 8. The negative-pressure chamber 7 is provided with a pressure valve 71 for allowing outside air to flow in.

As shown in Figure 3, in some embodiments, the brush body 1 includes a brush head 11 and a brush handle 12, and the water spray pipeline 3 and the water suction pipeline 4 are all located in the brush handle 12, and the brush head 11 includes a bristle surface and a bristle surface The tongue fur cleaning surface oppositely arranged and the side edge surface between the bristle surface and the tongue fur cleaning surface are uniformly provided with a plurality of first water spray holes 111 communicating with the water spray pipeline 3 of the brush handle 12 to clean the tongue fur. The surface is provided with a plurality of second water spray holes 112 communicated with the water spray pipeline 3, the aperture of the second water spray hole 112 is smaller than the aperture of the first water spray hole 111, and the side edge surface is provided with the water suction pipeline 4. Connected water suction hole 113. The first water spray hole 111 and the second water spray port can spray clear water at the same time, thereby cleaning the patient's oral cavity on both sides, and can improve the cleaning efficiency. The aperture of the hole 112 is smaller than the aperture of the first water spray hole 111 to ensure a larger water flow on the bristle surface. In addition, the water-absorbing hole 113 is arranged on the side edge in an arc shape as a whole, so as to increase the water-absorbing range of the water-absorbing hole 113 .

As shown in Figure 4, the brush head 11 and the brush handle 12 can be integrally connected, fixedly connected, or detachably connected. In a certain preferred embodiment, the brush head 11 and the brush handle 12 can be detachably connected One end of the brush head 11 close to the brush handle 12 is provided with a slot 114, the inner wall of the slot 114 is fixedly connected with a card protrusion 115, and the brush handle 12 is provided with a raised portion 121 corresponding to the slot 114, and the raised portion 121 An L-shaped fixing groove 122 is opened on the outer wall of the body, and a sealing ring is sleeved on the outer side of the raised portion 121 . The detachable connection between the brush head 11 and the brush handle 12 can improve the utilization rate of the brush handle 12. When nursing different patients, only the brush head 11 needs to be replaced, reducing the waste of materials for the brush body 1.

As shown in Fig. 5, in some embodiments, the switch 5 can be a ball valve type switch 5, or a push-type switch 5. In a certain preferred embodiment, the switch 5 includes a pressing part 51, a stopper 52 and an elastic spring The piece 53 and the pressing part 51 are elastically connected to the brush body 1 through the spring. The block 52 is fixedly connected with the pressing part 51 and is located in the water suction pipeline 4. The side wall of the block 52 is provided with a triangular slot 521. The block The side wall of 52 is also provided with inclined guide groove 522, and the bottom end of guide groove 522 communicates with the top end of draw-in groove 521, and the top end of guide groove 522 extends to the outside of block 52, and the top end of elastic reed 53 is fixedly connected to the water-absorbing On the inner wall of the pipeline 4 , the bottom end of the elastic reed 53 is provided with a locking block 531 that can move in the locking groove 521 and the guiding groove 522 . When the nursing staff presses down the pressing part 51, the bottom end of the block 52 pushes the block 531 of the elastic reed 53 to both sides until the block 531 snaps into the slot 521 and fixes the block 52, At this moment, the stopper 52 cuts off the water suction pipeline 4 . When the nurse presses down the pressing part 51 again, the block 531 slides along the direction of the guide groove 522 until the block 531 is separated from the guide groove 522. At this time, the nurse releases the pressing part 51, and the pressing part 51 automatically slides under the action of the spring. Rebound and the clamping block 531 of the elastic reed 53 also resets automatically, and at this time, the water suction pipeline 4 resumes communication.

As shown in Figures 6 to 10, in some embodiments, the pump body 2 includes a housing 21, a motor 22, a first gear set 23 and a second gear set 24, the motor 22 is fixedly connected to the outside of the housing 21, and the inside of the housing 21 A first working chamber 211 and a second working chamber 212 are provided, the first gear set 23 is connected with the power output shaft of the motor 22 and located in the first working chamber 211, and the second gear set 24 is connected with the first gear set 23 and located in In the second working chamber 212, the two sides of the first gear set 23 in the first working chamber 211 are respectively the first high pressure side and the first low pressure side, and the negative pressure chamber 7 communicates with the first low pressure side of the first working chamber 211, The two sides of the second gear set 24 in the second working chamber 212 are respectively the second high-pressure side and the second low-pressure side. The high-pressure chamber 6 communicates with the second high-pressure side of the second working chamber 212. The high-pressure chamber 6 includes a large-diameter end and a second high-pressure side. Small-diameter end, the cross-sectional area of the high-pressure chamber 6 decreases linearly from the large-diameter end to the small-diameter end, the large-diameter end is connected to the second high-pressure side, the small-diameter end is connected to the water spray pipeline 3 through a pipe fitting 8, and the pump body 2 also Including the transmission assembly 25, the housing 21 also has a transmission chamber 213 between the first working chamber 211 and the second working chamber 212, the transmission assembly 25 is connected in the transmission chamber 213, and the second gear set 24 communicates with the transmission assembly 25. The first gear set 23 pieces are connected.

In a specific embodiment, the first gear set 23 includes a pair of first gears that mesh with each other and have the same number of teeth, the second gear set 24 includes a pair of second gears that mesh with each other and have the same number of teeth, and the transmission assembly 25 includes at least A pair of transmission gears meshing with each other and having different numbers of teeth. One of the first gears is fixedly connected to the power output shaft of the motor 22. Among the pair of transmission gears, a transmission gear with a smaller number of teeth is fixedly connected to any first gear through a rotating shaft. One more transmission gear is fixedly connected with any second gear through a rotating shaft. When the motor 22 drives the first gear to rotate, since the transmission ratio is changed through the transmission assembly 25, the rotational speed of the first gear set 23 will be greater than the rotational speed of the second gear set 24, so that the pressure in the second working chamber 212 is lower than that of the second gear set 212. A working chamber 211, thereby preventing the high pressure generated in the high pressure chamber 6 from causing the clean water to be sprayed out at high speed from the water spray pipeline 3 and causing damage to the patient's oral cavity. The higher rotation speed of the first gear set 23 in the first working chamber 211 can ensure that the water suction pipeline 4 has sufficient suction capacity, and can suck out the sewage in the patient's oral cavity in time.

The pipe fitting 8 includes a flexible pipe 81, a first connecting portion 82 and a second connecting portion 83, the first connecting portion 82 is fixedly connected to the end of the flexible pipe 81, and the second connecting portion 83 is fixedly connected to the brush body 1 or the pump body 2 , The first connecting portion 82 and the second connecting portion 83 are connected by threads.

It also includes a clean water box 26 and a dirty water box 27 that are detachably connected to the pump body 2. The clean water box 26 communicates with the high pressure chamber 6 through the pump body 2, and the dirty water box 27 communicates with the negative pressure chamber 7 through the pump body 2. It also includes a controller And the display screen 9 that is electrically connected with the controller, a first sensor is provided in the clean water box 26, a second sensor is provided in the sewage box 27, the first sensor and the second sensor are electrically connected with the controller respectively, and the controller is also connected with the pump. The power supply of body 2 is electrically connected. The display is fixedly connected to the housing 21, and the controller is arranged inside the housing 21. The first sensor and the second sensor can respectively detect the water volume in the clean water and sewage and display it on the display screen 9 through the controller. , at the same time, when the increment of sewage in the sewage box 27 reaches a threshold, and the increment of sewage is greater than the reduction of clear water in the clean water box 26, the controller can control the power supply of the pump body 2 to cut off the power to avoid the suction pipeline 4 causing Excessive suction.

In summary, the present invention provides the use of the same pump body to control the work of the water spray pipeline and the water suction pipeline, which simplifies the structure of the oral care instrument, thereby facilitating the nursing staff to carry and operate the oral care instrument; the water spray pipe The on-off of the road can be directly controlled by the switch on the brush body, which further reduces the operation difficulty of the equipment, so that the nursing staff only need to hold the brush body with one hand to control the work of the entire oral care instrument, which not only greatly improves the nursing efficiency At the same time, it can make the nurse free one hand to deal with other situations that may occur during the nursing process; the pressure valve can reduce the internal and external pressure difference of the negative pressure chamber when the suction pipeline is cut off, so as to avoid damage to the pump body .

In addition, the first water spray hole and the second water spray hole can spray clean water at the same time, thereby cleaning the patient's oral cavity on both sides, and can improve the cleaning efficiency, while the aperture of the second water spray hole is smaller than that of the first water spray hole The pore size ensures greater water flow on the bristle face. The detachable connection between the brush head and the brush handle can improve the utilization rate of the brush handle and reduce the waste of brush body materials. The switch can control the passage of the water suction pipeline by pressing twice, improving the convenience of the oral care instrument. The transmission assembly can change the rotational speed of the first gear set and the second gear set, so that the pressures in the first working chamber and the second working chamber are inconsistent, and then the water inlet pipeline and the water spray pipeline have sufficient water spray pressure and pressure respectively. Suction pressure.

The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent transformations made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in related technical fields, are all included in the same principle. Within the scope of patent protection of the present invention.

Claims (8)

1. A portable oral care instrument, comprising a brush body and a pump body; The inside of the brush body is provided with a water spray pipeline and a water suction pipeline, and the brush body is provided with a switch for controlling the on-off of the water suction pipeline; The pump body is provided with a high-pressure chamber and a negative-pressure chamber that are not connected to each other. The water spray pipeline communicates with the high-pressure chamber through a pipe fitting, and the water-absorbing pipeline communicates with the negative-pressure chamber through a pipe fitting. There are pressure valves for the inflow of outside air; The switch includes a pressing part, a block and an elastic reed, and the pressing part is elastically connected to the brush body through a spring. A triangular card slot is opened on the top, and an inclined guide slot is also provided on the side wall of the block. The bottom end of the guide slot communicates with the top end of the card slot, and the top end of the guide slot extends to the outside of the block. The top end of the elastic reed is fixedly connected to the inner wall of the water suction pipeline, and the bottom end of the elastic reed is provided with a block that can move in the slot and the guide slot; The pump body includes a housing, a motor, a first gear set and a second gear set, the motor is fixedly connected to the outside of the housing, and the inside of the housing is provided with a first working chamber and a second working chamber. A gear set is connected with the power output shaft of the motor and located in the first working chamber, the second gear set is connected with the first gear set and located in the second working chamber, the first gear set in the first working chamber The two sides are respectively the first high pressure side and the first low pressure side, the negative pressure chamber communicates with the first low pressure side of the first working chamber, and the two sides of the second gear set in the second working chamber are respectively the second high pressure side. side and a second low-pressure side, the high-pressure chamber communicates with the second high-pressure side of the second working chamber. 2. The portable oral care instrument according to claim 1, wherein the brush body includes a brush head and a brush handle, and the water spray pipeline and the water suction pipeline are all located in the brush handle, and the brush head includes The bristle surface, the tongue fur cleaning surface opposite to the bristle surface, and the side edge surface between the bristle surface and the tongue fur cleaning surface, the bristle surface is evenly provided with a plurality of first spray nozzles connected to the water spray pipeline of the brush handle. Water holes, the cleaning surface of the tongue coating is provided with a plurality of second water spray holes communicated with the water spray pipeline, the aperture of the second water spray holes is smaller than the aperture of the first water spray holes, and on the side edge surface A water suction hole communicated with the water suction pipeline is provided. 3. The portable oral care instrument according to claim 2, characterized in that, the brush head and the brush handle are detachably connected, and the end of the brush head near the brush handle is provided with a slot, and the inner wall of the slot is A card protrusion is fixedly connected, and the brush handle is provided with a protrusion corresponding to the slot, an L-shaped fixing groove is opened on the outer wall of the protrusion, and a sealing ring is set on the outer side of the protrusion . 4. The portable oral care instrument according to claim 1, wherein the high-pressure chamber includes a large-diameter end and a small-diameter end, and the cross-sectional area of the high-pressure chamber decreases linearly from the large-diameter end to the small-diameter end , the large-diameter end is connected to the second high-pressure side, and the small-diameter end is connected to the water spray pipeline through a pipe fitting. 5. The portable oral care instrument according to claim 1, wherein the pump body also includes a transmission assembly, and a transmission chamber between the first working chamber and the second working chamber is provided in the housing, so that The transmission assembly is connected in the transmission cavity, and the second gear set is connected with the first gear assembly through the transmission assembly. 6. The portable oral care instrument according to claim 1, wherein the pipe member comprises a flexible pipe, a first connecting portion and a second connecting portion, the first connecting portion is fixedly connected to the end of the flexible pipe, The second connecting part is fixedly connected to the brush body or the pump body, and the first connecting part and the second connecting part are screwed together. 7. The portable oral care instrument according to claim 1, further comprising a clean water box and a dirty water box detachably connected to the pump body, the clean water box communicates with the high-pressure chamber through the pump body, and the dirty water box It communicates with the negative pressure chamber through the pump body. 8. The portable oral care instrument according to claim 7, further comprising a controller and a display screen electrically connected to the controller, a first sensor is arranged in the clean water box, and a first sensor is arranged in the dirty water box. The second sensor, the first sensor and the second sensor are respectively electrically connected to the controller, and the controller is also electrically connected to the power supply of the pump body.

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