KR100625267B1 - Washer for oral cavity - Google Patents

Abstract

The present invention relates to a mouthwash, comprising a handle consisting of an upper case and a lower case; A supply pipe inserted into the handle to supply the washing water introduced from the hose; A control knob for adjusting the opening and closing of the washing water supplied through the supply pipe; An operation means mounted on one side of the handle to manipulate a detachment of the tip and an outflow direction of the washing water; And a tip detachably attached to the operation means and configured to control the amount and strength of the washing water for washing the oral cavity, including a tip for spraying the washing water through the double tube, and the spraying strength of the washing water according to the user's oral cavity condition or use. And form can be selected.

Oral, Dishwasher, Washing Water, Teeth, Tip

Description

Mouthwasher {Washer for Oral Cavity}

1 is an exploded perspective view showing an oral irrigator according to the embodiment of the present invention.

2 is a cross-sectional view showing a flow control pipe provided in the supply pipe according to the present invention.

Figure 3 relates to a slider and a flow control tube according to the present invention, Figure 3a is the washing water off state through the supply pipe, Figure 3b is the first stage of the washing water is supplied through the slider, 3c is the washing water through the slider 3d is a three-stage state in which washing water is supplied through the slider, and FIG. 3e is a shape of a through hole formed in the slider body, and FIG. 3f is a view showing a plane of the adjusting knob.

4 is a view showing the configuration of a tip according to the present invention.

Figure 5 is to be able to selectively spray water through the outer tube or the inner tube of the tip according to the present invention, Figure 5a is a cross-sectional view of supplying water through the outer appearance of the tip, Figure 5b through the inner tube of the tip It is sectional drawing which showed the state supplying water.

6 is a view showing a state that the tip is inserted and fixed to one side of the operation means according to the present invention.

7 is an exploded perspective view showing an oral irrigator according to another embodiment of the present invention.

Figure 8 is a cross-sectional view showing the opening and closing tube provided in the supply pipe of Figure 7, Figure 8a is a state in which the supply pipe is opened when the operating button is pressed when the operation button is pressed, Figure 8b is the supply pipe is closed when the operation button is released wash water Indicates a blocked state.

♣ Explanation of symbols for main part of drawing ♣

10: handle 12: upper case

14: Operation Button 16: Lower Case

18: adjusting knob 22: hose

24: connecting member 30: supply pipe

32: opening and closing tube 34: opening and closing member

35, 55: elastic member 37: flow control pipe

38: Slider 39: Operation Bar

40: operation means 41: operation case

44: rotary knob 46: support member

50: operating member 53: cap

54, 63: stopper 60: tip

61: inner tube 62: appearance

65: nozzle P: piping

The present invention relates to a device for washing the oral cavity, and more particularly, to an oral irrigator for washing or massaging the entire mouth, including teeth and gums, by the pressure of the washing water.

Typically, teeth and tongue were cleaned by brushing for a period of time using a toothbrush. However, brushing did not completely remove foreign matter remaining between teeth. Therefore, the use of tools such as floss or toothpick, but to remove the foreign matter, the use of these tools did not become a fundamental countermeasure such as the gap between the teeth or hurt the gums.

Thus, in order to compensate for the problem of using a brush or a device such as a dental mouthwash is mainly used for dental medical treatment.

The oral irrigator is to spray water having a water pressure of a predetermined pressure or more to wash the surface of the tooth and between the teeth and the entire mouth including the gum or tongue.

However, the conventional mouthwasher was used to connect the hose or the like to the water spray or using a separate pressurizing means. Because of this, it was not easy to control the intensity of the water sprayed from the nozzle of the oral irrigator.

Furthermore, there are cases in which a separate operation knob or the like is provided to adjust the strength of water, but inconvenience of operation is inherent. In addition, since the nozzle for spraying water is made of a hard material, there is a problem that the gum or tongue or the inner wall of the mouth may be damaged while using the oral irrigator.

In order to solve the above problems, an object of the present invention is to provide an oral irrigator including various functions such as opening and closing of the washing water and the strength control, and a spraying method.

In another aspect, the present invention is to provide a connection member between the water pipes so that the washing water is sprayed by the water pressure.

In addition, the present invention is detachable and the tip for supplying the washing water to form a double tube of the inner tube and the exterior, and to select the wash water supplied to the inner tube and the exterior, the mouth having a soft nozzle at the end of the tip connected to the inner tube Another object is to provide a washer.

As a means for achieving the above object, the oral irrigator according to the present invention,

A handle consisting of an upper case and a lower case;

A supply pipe inserted into the handle to supply the washing water introduced from the hose;

A control knob for adjusting the opening and closing of the washing water supplied through the supply pipe;

An operation means mounted on one side of the handle to manipulate a detachment of the tip and an outflow direction of the washing water; And

Detachable to the operation means and characterized in that it comprises a tip for spraying the washing water through the double pipe.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation of the oral irrigator according to an embodiment of the present invention.

1 is an exploded perspective view of the oral irrigator according to the present invention.

Referring to the drawings, first, the handle 10 of the present invention is composed of an upper case 12 and a lower case 16.

Inside the upper case 12 of the handle 10 is mounted a magnet 19 for fixing to an external metal surface by magnetic force. That is, the magnet 19 is for magnetically fixing the handle 10 to the metal plate provided on the wall surface of the bathroom. The magnet 19 may be positioned by utilizing the space part inside the handle 10. Furthermore, a fixed ring or the like may be provided on one side of the handle 10 to hang. The lower case 16 of the handle 10 is provided with an adjusting knob 18 to adjust the strength of the washing water.

The hose 22 has a predetermined length, and it is preferable that the hose 22 is wound in a coil form for stretching the length. One end of the hose 22 is connected to the connection member 24, and both ends of the connection member 24 may be screwed to the pipe P, that is, the water pipe P for supplying the washing water. The connection member 24 is preferably in the form of a T-tube, and the filter 23 is coupled to the side of the T-tube. The filter 23 is for filtering foreign matters and the like contained in the washing water flowing through the pipe (P). And the hose 22 is to be coupled to one end of the filter (23).

A supply pipe 30 is inserted between the upper case 12 and the lower case 16 of the handle 10 to control the opening and closing of the washing water introduced from the hose 22, and one end of the supply pipe 30 is a hose. It is connected to one end of the 22, the other end of the supply pipe 30 is connected to the operation means (40).

2 is a cross-sectional view showing a flow control pipe provided in the supply pipe according to the present invention, the supply water to the supply pipe 30 by the sliding of the control knob 18 provided in the lower case 16 along the supply pipe 30 It is provided with a flow control pipe 37 is equipped with a slider 38 for adjusting the opening and closing of the. The flow rate control pipe 37 is formed with an inlet hole 37a and an outlet hole 37b through which the washing water is introduced and discharged at a position at which the supply pipe 30 is coupled.

The adjusting knob 18 is coupled through the through hole 17 formed in the lower case 16, and a plurality of protrusions 20 are formed inside the lower case 16. An operation bar 39 of the slider 38 is inserted between the protrusions 20 of the adjustment knob 18, so that the body portion 38a of the slider 38 moves in accordance with the sliding of the adjustment knob 18. 37) to be rotated within. The through hole 38b and 38c are formed in the body portion 38a to adjust the amount of water flowing in and out through the supply pipe 30. The inflow hole 37a and the discharge hole 37b formed in the flow control pipe 37 connected to the supply pipe 30 and the through-holes 38b and 38c formed in the body portion 38a by the sliding operation of the adjustment knob 18. The intensity of the wash water supplied depends on the degree of penetration. A plurality of rubber rings for maintaining airtightness may be coupled to the body portion 38a of the slider 38.

The operation means 40 is mounted on one side of the handle 10 to manipulate the detachment of the tip 60 and the outflow direction of the washing water, and the operation case 41 is provided outside the operation means 40. By pressing the operation case 41, the tip 60 is detached and the direction of the washing water can be manipulated by the rotation of the operation case 41. A space portion 43 is formed inside the operation case 41, and a polygonal through hole 42 is formed at one end to prevent the endless rotation of the coupled tip 60, and the other end is in an open state.

In FIG. 5A, the rotary knob 44 which is rotated forward and backward by the rotation of the operation case 41 is coupled inside the operation case 41. The rotary knob 44 is integrally formed with a plurality of support members 46 for fixing the tip 60 on one side, and a screw thread formed of a female screw 47 is formed on an inner portion of the rotary knob 44. . On the outer circumference of the rotary knob 44, a protrusion 48a is formed to prevent the operation case 41 from being separated and to maintain the engagement. A plurality of long grooves 48b are formed on the outer circumference of the rotary knob 44 by a predetermined distance from the protrusion 48a, and the long grooves 48b are formed on the outer circumference of the rotary knob 44 of the operation case 41. To support lifting and lowering. In addition, the coupling protrusion 48c formed at the other end of the rotary knob 44 is for coupling with the grooves 12a and 16a formed in one side of the upper case 12 and the lower case 16 of the handle 10. .

The operating member 50 which is screwed with the female screw 47 formed on the rotary knob 44 is coupled to the inside of the rotary knob 44. The operation member 50 is the inner tube 61 or the exterior 62 of the tip 60 through the plurality of distribution holes 52 to the washing water supplied through the supply pipe 30 while being advanced by the rotation of the rotary knob 44 To distribute. One end of the operation member 50 is opened, the supply pipe 30 is inserted, and the other end is closed, and a plurality of distribution holes 52 are formed on the outer periphery of the operation member 50. And the outer periphery of the operation member 50 is formed with a female screw 47 of the rotary knob 44 and a male screw 51 for screwing. Although the supply pipe 30 is inserted and coupled to the operation member 50, it is preferable to have a structure in which the operation member 50 slides along the outer circumference of the supply pipe 30.

Cap 53 is provided in the rotary knob 44, is coupled to the outer circumference of the operating member 50, the cap 53 is a first jet passage for supplying the washing water to the exterior (62) of the tip (60) t1) and a second jet passage t2 for supplying the washing water to the inner tube 61 of the tip 60. That is, one side of the cap 53 is coupled to surround the outer periphery of the operation member 50 to be advanced, and the other side protrudes to be inserted into the inner tube 61 of the tip (60).

An elastic member 55 is inserted between the stopper 54 formed inside the operation case 41 and the stepped portion of the rotary knob 44 so that the operation case 41 is elastically supported by the rotary knob 44. It is.

In FIG. 4, the tip 60 is detached to the operation means 40 and sprays the washing water through the double pipe, and the tip 60 has a plurality of injection holes 67 for radially spraying the supplied washing water. The outer tube 62 and the inner tube 61 for supplying the washing water to the nozzle 65 which is provided inside the outer shell 62 and coupled to the end is configured. Washing water is injected in a straight line form of a straight line from the injection hole 66 of the nozzle 65 through the inner tube 61 of the tip 60, and a plurality of minutes through the exterior 62 of the tip 60. Washing water is sprayed in the form of radiation from the hole 67. That is, the direct weaving is to be sprayed directly between the teeth or the surface of the teeth, the radiation is to shower the whole mouth with the washing water. And one side outer periphery of the tip 60 is formed with a fixing groove 64 for detachment from the operation means 40, the outer periphery of the tip 60 is provided with a stopper 63.

The nozzle 65 is a soft material and is integrally formed with the inner tube 61, but may be separately detachable. It is preferable that the nozzle 65 is bent at a predetermined angle.

The operation of the oral irrigator of the present invention configured as described above will be described with reference to FIGS. 1 to 6.

First, the oral irrigator of the present invention is used by connecting the connection member 24 between the water supply pipe (P) for the supply of the wash water. Water pipe (P) is connected between the pipe (P) installed to supply a variety of tap water to the sink, toilet or shower in the bathroom. That is, the water pipe (P) through which the tap water is delivered to the upper and lower ends of the connection member 24 is connected. In the case where the T-shaped tube is applied as the connecting member 24, an outflow hole is formed at one side of the T-shaped tube so that tap water is supplied from the water pipe P, and the outflow hole filters the washing water through the filter 23. . The filter 23 filters the various foreign matters contained in the tap water, that is, the wash water, and then discharges it to the hose 22. The coupling part should be provided to couple the hose 22 to the outlet hole of the connection member 24.

Thus, the washing water (tap water) filtered through the connecting member 24 and the filter 23 coupled between the water pipes (P) is delivered along the hose (22). The washing water passed along the hose 22 is supplied to the supply pipe 30 in the handle 10 to which the upper case 12 and the lower case 16 are coupled.

At this time, the user manipulates the adjusting knob 18 for the use of the mouthwash. The operation of the adjusting knob 18 can select the adjusting knob 18 from the off position to the position of one to three stages in FIG. 3F. Operating the adjusting knob 18 simultaneously activates the operating bar 39 of the slider 38 located between the projections 20 of the adjusting knob 18. By the operation of the operation bar 39, the body portion 38a of the slider 38 is rotated.

First, when the adjustment knob 18 is placed in the off position, as shown in FIG. 3A, the through holes 38b and the holes 38b formed in the body portion 38a of the slider 38 inserted inside the flow control tube 37 are formed. 38c) and the inlet hole 37a and the outlet hole 37b formed in the flow control tube 37 are maintained in a closed state rather than communicating, and the washing water is not circulated through the supply pipe 30.

As shown in FIG. 3B, when the adjusting knob 18 is positioned in one stage, the body portion 38a of the slider 38 is rotated at an angle from the off position, and the through hole of the body portion 38a is formed. 38b) and 38c overlap with the inflow hole 37a and the outflow hole 37b of the flow control pipe 37, and a small amount of washing water flows through the supply pipe 30. In FIG. 3E, since the diameters of the through holes 38b and 38c formed in the body 38a of the slider 38 become larger in diameter from left to right, the flow rate when the adjustment knob 18 is positioned in one stage. A small amount of washing water is in a communication state through the inlet hole 37a and the outlet hole 37b of the control tube 37.

In addition, in FIG. 3C, when the adjusting knob 18 is positioned in two stages, the body portion 38a of the slider 38 is rotated more at an angle than the first stage position. The through holes 38b and 38c are in communication with the inflow hole 37a and the outlet hole 37b of the flow control tube 37 so that a predetermined amount of washing water is distributed through the supply pipe 30. This is the moment when the middle diameter portion in the through hole 38b of FIG. 3E coincides with the inlet hole 37a and the outlet hole 37b of the flow control tube 37.

In addition, in FIG. 3D, when the adjusting knob 18 is positioned in three stages, the body portion 38a of the slider 38 is rotated more by a predetermined angle than the two-stage position, and the The through-holes 38b and 38c are in complete communication with the inlet 37a and the outlet 37b of the flow control tube 37, and the washing water at a predetermined pressure is distributed through the supply pipe 30. This is the moment when the largest diameter portion in the through hole 38b of FIG. 3E coincides with the inlet hole 37a and the outlet hole 37b of the flow control tube 37.

As described above, the shielding, the strength and the flow rate of the washing water delivered through the supply pipe 30 may be adjusted by the operation of the adjusting knob 18.

On the other hand, the operation means (40) coupled to one end of the handle 10, while the tip 60 is detached and at the same time can be selected to supply the washing water to the inner tube 61 or the exterior 62 of the tip (60).

In FIG. 6, in order to detach the tip 60 with the operation means 40, the tip 60 is pushed through the operation hole 41 of the operation case 41 after pressing the operation case 41 of the operation means 40. Insert through. At this time, when the operation case 41 is pressed, the elastic member 55 is compressed, and when the tip 60 is inserted while the elastic member 55 is compressed, the tip 60 pushes the plurality of support members 46 outward. Insertion is made while giving out. As the tip 60 is inserted into the operation case 41, the inner tube inner wall of the tip 60 is inserted into the protrusion 53a of the cap 53, and the appearance of the tip 60 is the inner wall of the rotary knob 44. It is supported while being inserted into. When the pressed operation case 41 is released, the operation case 41 is spaced apart from the rotary knob 44 by the elasticity of the elastic member 55. Accordingly, the stopper 54 formed inside the operation case 41 pushes the support member 46, and the protrusions 46a of the support member 46 adhere to the fixing groove 64 of the tip 60 so that the tip ( 60). In order to separate the tip 60 from the operation means 40, pressing the operation case 41 compresses the elastic member 55, and the stopper 54 which fixes the support member 46 on the rear surface of the support member 46. Since the support member 46 is freed while retreating, it can be easily separated by the elasticity of the support member 46 by pulling out the tip 60. The elasticity of the support member 46 preferably has a predetermined range ?? in FIG. 5B, which can be fixed and freed by the stopper 54, and the elasticity of the support member 46 is determined by the tip 60. It may vary depending on the depth of engagement of the projection 46a of the fixing groove 64 and the support member 46.

Furthermore, when the operation case 41 of the operation means 40 is rotated forward and backward, the jet of the washing water can be selected through the inner tube 61 or the exterior 62 of the tip 60.

5A and 5B, that is, the operation case 41 is mounted with the tip 60 coupled to allow the washing water to be ejected through the plurality of injection holes 67 formed at the end of the exterior 62 of the tip 60. When rotating in the predetermined direction, the rotary knob 44 is rotated by the rotation of the operation case 41. Rotation of the rotary knob 44, one end of the operation case 41 is coupled to the long groove (48b), the rotation knob 44 is also rotated at the same time along the rotation of the operation case 41. The long groove 48b is for the simultaneous rotation of the rotary knob 44 and the guide function for advancing and returning the operation case 41.

As the rotary knob 44 is rotated, the male screw 51 of the operating member 50 screwed with the female screw 47 inside the rotary knob 44 retreats along the female screw 47 of the rotary knob 44. . As the operation member 50 is retracted, the distribution hole 52 of the operation member 50 is positioned in the first jetting hole t1 communicating with the exterior 62 of the tip 60, and is supplied from the supply pipe 30. The washed water is supplied to the exterior 62 of the tip 60 through the first jet hole t1.

Then, when the operation case 41 is rotated in the opposite direction so that the washing water is ejected through the nozzle 65 formed at the end of the inner tube 61 of the tip 60, the rotary knob 44 is rotated by the operation case 41. ) Is rotated. As the rotary knob 44 is rotated, the operating member 50 screwed inside the rotary knob 44 is advanced. As the operation member 50 is advanced, the distribution hole 52 of the operation member 50 is positioned at the second jet hole t2 communicating with the inner tube 61 of the tip 60, and is supplied from the supply pipe 30. The washed water is supplied to the inner tube 61 of the tip 60 through the second jet hole t2.

Next, as another embodiment of the present invention, Figure 7 is an exploded perspective view showing an oral irrigator.

7 is a state in which the flow control pipe 37 and the opening and closing pipe 32 are respectively coupled between the supply pipe 30. That is, the upper case 12 of the handle 10 is provided with an operation button 14 as an opening and closing switch for supplying or blocking the washing water supplied through the supply pipe 30, the flow control pipe 37 and the strength of the washing water and Only the flow rate can be manipulated.

And the embodiment of this configuration in Figure 8, the opening and closing member 34 to the elastic member 35 by the operation of the operation button 14 provided in the upper case 12 of the handle 10 in the supply pipe (30). The opening and closing pipe 32 for opening and closing the flow of the washing water supplied along the supply pipe 30 while lifting up and down is configured. The operation button 14 is applied to a soft material having good restoring force such as synthetic resin or rubber. The upper end of the opening and closing member 34 is in contact with the inner surface of the operation button 14, the body portion 34b is inserted into the opening and closing tube (32). A plurality of rubber rings 36a and 36b are coupled to the body 34b of the opening and closing member 34 to maintain airtightness. The body portion 34b is formed with a recessed portion 34c which is recessed inwardly to facilitate the flow of the washing water.

And the elastic member 35 is inserted between the head portion 34a formed at the upper end of the opening and closing member 34 and the stepped portion formed inside the opening and closing tube 32 so that the opening and closing member 34 is moved up and down between the opening and closing tube 32. Provide elasticity when The opening and closing pipe 32 configured between the supply pipes 30 is connected to the positions of the supply pipe 30a through which the washing water flows in and the supply pipe 30b through which the washing water flows out differently. This may vary depending on the length of the concave portion 34c having a django shape formed in the body portion 34b of the opening and closing member 34.

Therefore, the embodiment will be described below with reference to the operation of the operation button with reference to Figure 8a and 8b.

In FIG. 8A, when the operation button 14 provided on the outside of the handle 10 is pressed, the opening / closing member 34 inserted into the opening / closing pipe 32 is opened. That is, when the operation button 14 is pressed, the body portion 34b of the opening and closing member 34 is inserted into the opening and closing tube 32, wherein the recessed portion 34c of the body portion 34b is the supply pipe 30a and the supply pipe 30b. Will be located between). Therefore, one side of the body portion 34b of the opening and closing member 34 inserted into the opening and closing tube 32 is formed with a concave portion 34c concave inward, and the rubber ring for maintaining the airtight up and down of the concave portion 34c 36a and 36b are respectively fixed, the supply pipe 30a connected to the front end of the opening 32a of the opening and closing tube 32 is connected to the upper end of the opening and closing tube 32, and the opening 32b of the opening and closing tube 32 is The supply pipe 30b connected to the rear end is connected to the lower end of the opening and closing tube 32, so that the washing water introduced from the front end of the opening and closing tube 32 is the opening and closing member 34, and the body part is pressurized downward. The washing water flows out through the supply pipe 30b connected to the lower end of the opening and closing pipe 32 along the outer circumference of the recess 34c in the 34b.

On the contrary, in Fig. 8B, when the pressed operation button 14 is released and switched to the closed state, the opening and closing member 34 closes the opening and closing tube 32. That is, by the elastic force of the elastic member 35 located between the head 34a of the opening and closing member 34 and the step of the opening and closing tube 32, the opening and closing member 34 is raised to the upper portion, and the opening and closing member 34 As it rises, the recessed part 34c of the body part 34b also raises. Therefore, the rubber ring 36b fixed below the recessed portion 34c is raised to be positioned between the through holes 32a and 32b so that the washing water supplied from the supply pipe 30a is blocked by the rubber ring 36b. Therefore, the washing water is not distributed to the supply pipe 30b through the through hole 32b.

In this way, the operation of the operation button 14 can supply or block the washing water fed through the supply pipe 30.

And it is possible to adjust the strength of the wash water supplied through the supply pipe 30, that is, the flow rate of the wash water to the control knob 18 provided on the handle (10). The flow rate of the washing water can be adjusted by sliding the adjustment knob 18. At this time, the adjustment knob 18 may adjust the intensity of the first to third stages. The adjusting knob 18 may be operated in more stages depending on the condition of the oral irrigator. And the adjusting knob 18 is preferably a structure that does not completely block the wash water.

Manipulation and operation of the adjustment knob 18 can be implemented as shown in Figures 3b to 3d, the same structure as the through-hole 38b formed in the body portion 38a of the slider 38, as shown in Figure 3e, Figure 3f OFF position will be omitted.

While the invention has been shown and described in connection with specific embodiments thereof, it will be appreciated that various modifications and changes can be made without departing from the spirit and scope of the invention as indicated by the claims. Anyone who owns it can easily find out.

As described above, the oral irrigator of the present invention is configured to adjust the amount and strength of the washing water for washing the oral cavity, and can select the spraying strength and the shape of the washing water according to the user's oral conditions or uses. Remove foreign bodies between the tooth surface and the teeth in the tooth, select a shower or rinse, etc., and improve the function of the oral irrigator, such as easy exchange of tips. It has the effect of providing the convenience of washing water selection.

Claims (7)

A handle consisting of an upper case and a lower case; A supply pipe inserted into the handle to supply the washing water introduced from the hose; A control knob for adjusting the opening and closing of the washing water supplied through the supply pipe; An operation means mounted on one side of the handle to manipulate a detachment of the tip and an outflow direction of the washing water; And The oral irrigator is detached to the operation means and comprises a tip for spraying the washing water through the double pipe. The method of claim 1, One end of the hose is coupled between the pipe and the connecting member for supplying the washing water; A filter coupled between the connection member and the hose to filter the washing water; And a magnetic body mounted inside the handle and configured to magnetically fix to an external metal surface by magnetic force. The method of claim 1, The tip has an appearance in which a plurality of injection holes are formed to directly or radially spray the supplied washing water; An inner tube provided inside the exterior to supply washing water; Is coupled to the end of the inner tube oral irrigator characterized in that the nozzle for injecting the washing water directly through the injection hole. The method of claim 1, The oral irrigator of claim 1, further comprising a flow control tube equipped with a slider for adjusting the opening and closing of the washing water supplied along the supply pipe by sliding the adjusting knob. The method according to any one of claims 1 to 4, The operation means and the operation case for operating the direction of the removal of the tip and the wash water; A rotary knob which is coupled to the inside of the operation case and rotates forward and backward by rotation of the operation case; An actuating member screwed into the rotary knob and circulating the washing water supplied through the supply pipe while being advanced and retracted by the rotation of the rotary knob; And a cap coupled to the outer circumference of the operation member to form a first jet passage for supplying the wash water to the exterior of the tip and a second jet passage for supplying the wash water to the inner tube of the tip. The method of claim 5, An elastic member is inserted between the stopper formed inside the operation case and the stepped portion of the rotary knob, and a long groove for supporting the lifting and rotating of the operation case is formed on the outer circumference of the rotary knob. A handle consisting of an upper case and a lower case; A supply pipe inserted into the handle to control opening and closing of the washing water introduced from the hose; An operation button attached to the handle to open and close the washing water supply; A control knob for adjusting the strength of the washing water supplied by the operation of the operation button; An operation means mounted on one side of the handle to manipulate a detachment of the tip and an outflow direction of the washing water; And The oral irrigator is detached to the operation means and comprises a tip for spraying the washing water through the double pipe.

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