CN218606906U

CN218606906U - Passive tooth flushing device

Info

Publication number: CN218606906U
Application number: CN202222472645.8U
Authority: CN
Inventors: 何世祥; 徐攀; 费诗超; 邓兴国
Original assignee: Sichuan Kesi Precision Mould Co ltd
Current assignee: Sichuan Kesi Precision Mould Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-14
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a passive tooth flushing device, belonging to the technical field of tooth cleaning and solving the problem that a plurality of people in a family can not share the tooth flushing device, comprising a spray head main body and a handle, wherein a spray head switch device and a water flow switch device are arranged in the handle; one end of the nozzle body penetrates through the switch device and is communicated with one end of the water flow switch device; the other end of the water flow switch device is communicated with one end of the hose, and the other end of the hose is communicated with the water outlet end of the water tap joint; the end of intaking that tap connects is linked together with outside tap, the utility model discloses utilize tap's rivers to flow through the hose on the tap connects and handle entering shower nozzle main part, make shower nozzle main part blowout toper water smoke clean tooth, can realize the stepless speed regulation of rivers through water flow switching device, can adjust corresponding water pressure size according to different demands to utilize shower nozzle switching device to realize that a plurality of shower nozzle main parts change the outfit fast, satisfy the demand of many people's sharing towards tooth ware of family.

Description

Passive tooth flushing device

Technical Field

The utility model relates to a technical field of tooth cleaning, concretely relates to passive tooth flushing device.

Background

Teeth cleaning is an indispensable activity in human life, and among cleaning tools for cleaning teeth, conventional cleaning tools include electric toothbrushes and manual ordinary toothbrushes. The cleaning products are needed to be used by the toothbrushes of the above types, so that the pregnant women are easy to feel nausea during tooth brushing, and part of the cleaning products have influence on the development of fetuses; for children, most children do not like brushing teeth after meals and cannot brush teeth cleanly; for people who have orthodontic teeth and dental implants, the difficulty of tooth brushing and cleaning is high, and the teeth are difficult to clean; for some people with periodontitis or habitual gingival bleeding due to tooth brushing, the traditional toothbrush causes discomfort in the oral cavity, and the traditional toothbrush can only clean 60% of tooth areas in the oral cavity and 40% of cleaning blind areas, such as crevices, gingival sulcus, pits, cavities, wisdom teeth, tooth roots and the like, can not be cleaned.

In order to solve the problems, for example, the Chinese patent with the publication number of CN216394331U discloses a passive tooth flushing device, which comprises a nozzle, a main body, a handle and a hose, wherein water with certain pressure led out by a water tap is led into the main body in working, the pipe diameter of the main body is gradually changed, the water pressure is increased, the pressurized water is led into the nozzle, the nozzle impacts a turbine to rotate, the water is atomized, and teeth are cleaned.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides a passive tooth ware that towards has solved the problem that the unable shared tooth ware that towards of many people of family.

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

the passive tooth flushing device comprises a nozzle main body and a handle, wherein a nozzle switch device and a water flow switch device are arranged in the handle; one end of the nozzle body penetrates through the switch device and is communicated with one end of the water flow switch device; the other end of the water flow switch device is communicated with one end of the hose, and the other end of the hose is communicated with the water outlet end of the water tap joint; the water inlet end of the water tap joint is communicated with an external water tap.

In this scheme, the hose that utilizes tap's rivers to pass through on the tap connects gets into the shower nozzle main part through the handle, makes shower nozzle main part blowout water smoke clean tooth, can realize the stepless speed regulation of rivers through water flow switching device, can be according to the corresponding water pressure size of different demand adjustment to utilize shower nozzle switching device to realize that a plurality of shower nozzle main parts change the outfit fast, satisfy the demand of many people's sharing towards tooth ware of family.

Furthermore, the spray head main body comprises a spray head which is conical, and the conical tip is provided with a water outlet; a turbine is arranged in the spray head, the turbine is rotationally connected with a turbine cover, the turbine cover is arranged on the spray head, and the turbine is provided with a first water outlet and a second water outlet which are symmetrical; the inclination angles of the first water outlet and the second water outlet are the same as the inclination angle of the water outlet of the spray head.

In the scheme, the inclination angles of the first water outlet and the second water outlet are the same as the inclination angle of the water outlet of the spray head, the turbine drives the turbine to rotate at a high speed through water flow entering from the water inlet of the spray head, the water flow is stirred into tiny water drops, and the tiny water drops converge from the first water outlet and the second water outlet of the turbine to the water outlet of the spray head and are sprayed out in a conical shape; the symmetrical design of the first water outlet and the second water outlet balances the force generated by the fan-shaped water drops and the turbine fan blades during high-speed rotation, the stability of the turbine in the main body is improved, the service life of the spray head is prolonged, and meanwhile, the cleaning force area is increased by the conical water mist formed by the two water outlets.

Furthermore, the spray head main body further comprises a connecting rod, the connecting rod is a pipeline with gradually changed aperture, the spray head is communicated with the tip end of the connecting rod to form a whole, and the other end of the connecting rod is provided with an annular groove.

In this scheme, the connecting rod is the pipeline of a aperture gradual change, and the rivers that get into the connecting rod flow the pressure that can increase the rivers in the pipeline that the aperture diminishes gradually, make the turbine rotate faster to it has bigger impact force to send shower nozzle spun toper water smoke.

Further, the handle comprises a handle shell, the handle shell comprises a first shell and a second shell, and the first shell and the second shell are connected to form an inner accommodating space; the inner accommodating space is provided with a water flow channel which is communicated with one end of the hose.

In this scheme, utilize first shell and the inside accommodation space that second shell connected formation can provide accommodation space for partial shower nozzle switching device and rivers switching device in the handle.

Furthermore, the spray head switch device comprises a spray head push cap and an annular buckle, and a pressure spring is arranged in the spray head push cap; one end of the connecting rod penetrates through the spray head push cap and the pressure spring to extend into the handle shell, and is connected with the annular buckle in a clamping mode through the annular groove.

In this scheme, the connecting rod extrusion shower nozzle pushes away the inside spring of cap to be connected with annular buckle joint through the annular groove on the connecting rod, realized the rapid Assembly of shower nozzle main part and handle.

Further, annular buckle one side and spring coupling, the opposite side of annular buckle is equipped with shower nozzle shift knob, and shower nozzle shift knob links to each other with the extrusion of annular buckle.

In the scheme, the spray head switch button is connected with the annular buckle in an extrusion manner through the spring, and the annular buckle can be pushed by pressing the spray head switch button; after the spray head switch button is loosened, the annular buckle and the spray head switch button are restored to the original positions under the action of the spring.

Furthermore, the bottom of the spray head switch button is provided with a limiting bulge, the spray head switch button is limited on the handle shell by the limiting bulge, and part of the spray head switch button is extruded to the outside of the handle shell through the annular buckle; the nozzle switch button is pressed to extrude the annular buckle, the annular buckle is separated from the annular groove through the annular buckle extrusion spring, and the pressure spring of the nozzle push cap separates the connecting rod from the handle.

In this scheme, press the shower nozzle shift knob outside the handle shell, the annular buckle will be promoted to separate to with the annular groove, and the shower nozzle pushes away the pressure spring of cap and breaks away from the handle with the connecting rod, has realized the quick dismantlement of shower nozzle main part and connecting rod.

Furthermore, the water flow switch device comprises a water flow switch which is movably connected with the outside of the first shell, the water flow switch is meshed with the ball valve sleeve, a rubber ball valve is arranged in the ball valve sleeve, and the rubber ball valve is vertically positioned in the water flow channel; the water flow switch is pushed to drive the ball valve sleeve to rotate, and the rubber ball valve rotates synchronously along with the ball valve sleeve to control the flow of the water flow channel.

In the scheme, a water flow switch on a handle shell is pushed to drive a ball valve sleeve to rotate, and a rubber ball valve synchronously rotates along with the ball valve sleeve to control the flow of a water flow channel and realize stepless speed regulation of water flow; the water flow switch is pushed to a corresponding position according to different requirements, so that the rubber ball valve in the water flow channel rotates to a corresponding angle to adjust to corresponding water flow pressure.

Further, the middle end of the hose is in a spiral stacking structure.

In this scheme, the hose middle-end is heliciform stacked structure, when satisfying the use length user demand, the maximize reduces the whole size of passive tooth ware of dashing, is convenient for accomodate.

Furthermore, a ring sleeve is arranged on the water tap joint and is connected with the household water tap.

In this scheme, the ring cover that the pulling tap connects can realize with domestic tap's quick assembly disassembly, when need not using, can directly pull out passive tooth ware that washes.

The utility model discloses a passive tooth ware that washes, its beneficial effect is:

1. the utility model discloses utilize tap's rivers to flow through the hose on the tap connects and get into the shower nozzle main part through the handle, make shower nozzle main part blowout water smoke clean tooth, can realize the stepless speed regulation of rivers through water flow switching device, can adjust corresponding water pressure size according to different demands to utilize shower nozzle switching device to realize that a plurality of shower nozzle main parts change outfit fast, satisfy the demand of many people's sharing towards tooth ware of family.

2. The utility model discloses utilize rivers to drive the turbine in the shower nozzle and make it rotate at a high speed, make the shower nozzle spout water smoke, water smoke has reduced tooth bearing pressure, can clean the tooth softly.

3. The utility model discloses the delivery port inclination of shower nozzle sets up unanimously with turbine delivery port inclination, and the high-speed delivery port that passes through turbine delivery port and shower nozzle of small drop of water after the high-speed stirring of process turbine is with the vaporific injection of toper and goes out, and is clean to tooth surface, tooth inner wall, tooth seam no dead angle.

4. The utility model discloses a turbine has two delivery ports, has balanced the power that fan blade form drop of water and turbine flabellum produced when high-speed rotatory, has improved the stability of turbine in the main part to prolonged the life of shower nozzle, the toper water smoke increase that two delivery ports formed simultaneously has cleaned the area of exerting oneself.

5. The utility model discloses a tap connects can realize quick assembly disassembly with tap, when need not using, can directly pull out the passive tooth ware that washes, has solved the problem that passive tooth ware water and daily water conflict of washing.

Drawings

Fig. 1 is a schematic structural view of the passive tooth flushing device of the present invention.

Fig. 2 is an exploded view of the handle of the present invention.

Fig. 3 is an exploded view of the nozzle body of the present invention.

Fig. 4 is a schematic structural diagram of the main body of the sprinkler of the present invention.

Fig. 5 is a sectional view of the nozzle of the present invention.

Fig. 6 is a sectional view of the head body of the present invention.

Fig. 7 is a sectional view of the nozzle body of the present invention fixed in the handle.

Fig. 8 is a sectional view of the sprayer body of the present invention separated from the handle.

Fig. 9 is a schematic structural view of the water flow switch device of the present invention.

Fig. 10 is a sectional view of the water flow switch according to the present invention when it is turned on.

Fig. 11 is a sectional view of the water flow switch according to the present invention when it is turned off.

Wherein: 1. a nozzle body; 2. a handle; 5. a hose; 6. a faucet coupling; 11. a spray head; 12. a turbine; 13. a turbine cover; 14. a connecting rod; 15. a water outlet; 16. a first water outlet; 17. a second water outlet; 21. a first housing; 22. a second housing; 23. a water flow channel; 31. a spray head switch button; 32. the nozzle pushes the cap; 33. an annular buckle; 34. a spring; 41. a water flow switch; 42. a sector gear; 43. a rubber ball valve; 44. and (4) a ball valve sleeve.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

Example 1

Fig. 1-2 are schematic views of a passive tooth irrigator according to the embodiment, which are used for solving the problem that multiple people in a family cannot share the tooth irrigator, and the parts of the passive tooth irrigator will be shown below.

The passive tooth flushing device comprises a spray head main body 1, a handle 2, a hose 5 and a water tap joint 6;

a nozzle switch device and a water flow switch device are arranged in the handle 2.

Specifically, the handle 2 includes a handle housing, the handle housing includes a first housing 21 and a second housing 22, and the first housing 21 and the second housing 22 are connected to form an inner accommodating space; the inner accommodating space is provided with a water flow channel 23, the water flow channel 23 is similar to a hollow cylinder, the water flow channel 23 is communicated with one end of the hose 5, and the hose 5 is in interference fit with the water flow channel 23.

One end of the nozzle body 1 passes through the switch device and is communicated with one end of the water flow switch device.

One end of the hose 5 is communicated with the water flow switch device, and the other end is communicated with the water outlet end of the water tap joint 6.

Specifically, the middle end of the hose 5 is in a spiral stacking structure and has elasticity, and when the hose 5 can be elongated for use, the stacking distance in the spiral stacking structure can be lengthened; when the hose 5 is long enough to be used, the helical stacked structure is restored; the heliciform stack structure design satisfies the length of use user demand while, and the passive overall size of towards tooth ware is reduced to the maximize, is convenient for accomodate.

The water inlet end of the water tap joint 6 is communicated with an external water tap.

Specifically, the water faucet connector 6 is provided with the ring sleeve, the ring sleeve is connected with the household water faucet, the ring sleeve of the water faucet connector 6 can be pulled to be rapidly assembled and disassembled with the household water faucet, when the water faucet connector is not used, the passive tooth flushing device can be directly pulled out, and the problem that water for the passive tooth flushing device conflicts with daily water is solved.

In this scheme, the rivers that utilize tap pass through hose 5 on the tap connects 6 and flow through handle 2 and get into shower nozzle main part 1, make 1 clean teeth of shower nozzle main part blowout water smoke, can realize the stepless speed regulation of rivers through water flow switching device, can be according to the corresponding water pressure size of different demand adjustment to utilize shower nozzle switching device can realize the quick repacking of a plurality of shower nozzle main parts 1, satisfy the demand of many people's sharing towards tooth ware of family.

Example 2

Referring to fig. 3-6, there are shown schematic views of a nozzle body 1 of a passive tooth flushing device according to the present embodiment, in order to spray large-area water mist in a cone shape, and the components of the nozzle body 1 will be described in detail below.

The head main body 1 includes a head 11, a turbine 12, a turbine cover 13, and a connecting rod 14.

The spray head 11 is conical, and the tip of the conical shape is provided with a water outlet 15; the nozzle 11 is internally provided with a turbine 12, the turbine 12 is rotationally connected with a turbine cover 13, the turbine cover 13 is arranged on the nozzle 11, the center of the turbine cover 13 is provided with a turbine 12 rotating shaft sleeve which is in clearance fit with the turbine 12 rotating shaft, and the turbine 12 can rotate at a high speed in the nozzle 11 under the clearance fit.

Specifically, the turbine cover 13 is connected with the nozzle 11 through ultrasonic welding, so that the sealing performance of the joint of the turbine cover 13 and the nozzle 11 is ensured, and the rotating shaft sleeve of the turbine 12 of the turbine cover 13 is precisely matched with the rotating shaft of the turbine 12, so that the turbine 12 can be kept stable during high-speed rotation.

The turbine 12 is provided with a first water outlet 16 and a second water outlet 17 which are symmetrical;

specifically, the inclination angles of the first water outlet 16 and the second water outlet 17 are the same as the inclination angle of the water outlet 15 of the spray head 11, the turbine 12 drives the turbine to rotate at a high speed by water flow entering from the water inlet of the spray head 11, the water flow is stirred into tiny water drops, and the tiny water drops converge from the first water outlet 16 and the second water outlet 17 of the turbine 12 to the water outlet 15 of the spray head and are sprayed out in a conical shape; the symmetrical design of the first water outlet 16 and the second water outlet 17 balances the force generated by the fan-shaped water drops and the turbine fan blades during high-speed rotation, the stability of the turbine 12 in the spray head is improved, the service life of the spray head 11 is prolonged, and meanwhile, the cleaning force area is increased by the conical water mist formed by the double water outlets.

The tip of the connecting rod 14 is communicated with the spray head 11 and forms a whole, and the other end of the connecting rod 14 is provided with an annular groove.

Specifically, the connecting rod 14 is a pipe with gradually changing aperture, and the water flow entering the connecting rod 14 flows through the pipe with gradually changing aperture to increase the pressure of the water flow, so that the turbine 12 rotates faster, and the conical water mist sprayed by the spray head 11 has larger impact force; the annular groove upper end is equipped with the location ladder, and location ladder and annular groove play connecting rod 14 with handle 2 location and connection function.

Inside rivers got into shower nozzle 11 through connecting rod 14 of aperture gradual change, drive turbine 12 high-speed rotation in turbine lid 13, rivers were formed small drop of water by turbine 12 high-speed stirring, and small drop of water flows along shower nozzle 11 is inside, and little drop of water converges to the delivery port 15 of shower nozzle with the toper form injection and goes out in first delivery port 16 of turbine 12 and second delivery port 17, and toper water smoke is clean to tooth surface, tooth inner wall, tooth seam no dead angle.

Example 3

Fig. 2, fig. 7 and fig. 8 are schematic views of a nozzle opening and closing device of a passive tooth flushing device according to the present embodiment, in order to achieve quick assembly and disassembly of the nozzle body 1 and the handle 2, and the components of the nozzle opening and closing device will be shown in detail below.

The head switch device includes a head push cap 32, a head switch button 31, an annular catch 33, and a spring 34.

A pressure spring is arranged in the nozzle push cap 32; one end of the connecting rod 14 passes through the nozzle pushing cap 32 and the pressure spring and extends to the interior of the handle shell, and is connected with an annular buckle 33 in a clamping mode through an annular groove.

Specifically, the nozzle push cap 32 is a circular truncated cone-shaped shell, a through hole is formed in the shell, a stepped positioning structure is arranged on the upper surface of the circular truncated cone of the shell, the positioning structure is in clearance fit with the positioning step of the connecting rod 14, a conical protrusion is arranged on the other surface of the shell, the nozzle push cap 32 is movably connected with the handle shell protrusion through the conical protrusion, and the pressure spring stretches between the conical protrusion and the handle shell protrusion.

The bottom of the spray head switch button 31 is provided with a limiting bulge, the spray head switch button 31 is limited on the handle shell by the limiting bulge, and part of the spray head switch button 31 is extruded to the outside of the handle shell through the annular buckle 33.

The annular buckle 33 is of an annular structure, one end of the annular buckle 33 protrudes inwards, one side of the annular buckle 33 is connected with the spring 34, the opposite side of the annular buckle 33 is provided with the spray head switch button 31, and the spray head switch button 31 is connected with the annular buckle 33 in a pressing mode.

The fast dismounting working principle of the nozzle main body and the handle 2 is as follows: the nozzle switch button 31 is pressed to extrude the annular buckle 33, the annular buckle 33 is separated from the annular groove through the annular buckle 33 extrusion spring 34, the pressure spring of the nozzle push cap 32 separates the connecting rod 14 from the handle 2, and the nozzle body and the handle 2 are quickly disassembled;

pressing the nozzle switch button 31 to press the annular buckle 33, the annular buckle 33 presses the spring 34, the connecting rod 14 of the nozzle body 1 is inserted into the nozzle push cap 32, the connecting rod 14 presses the nozzle push cap 32, and the pressure spring is compressed; and the spray head switch button 31 is loosened, the annular buckle 33 is clamped and connected with the annular groove of the connecting rod 14 under the extrusion of the spring 34, and the quick assembly of the spray head main body 1 and the handle 2 is completed.

Example 4

Fig. 2, 9-11 are schematic views of a water flow switch device of a passive tooth flushing device according to the present embodiment, in order to achieve stepless speed regulation of water flow, and the components of the water flow switch device will be shown in detail below.

The water flow switch device comprises a water flow switch 41, a rubber ball valve 43 and a ball valve sleeve 44.

The water flow switch 41 is movably connected with the outside of the first housing 21, and the water flow switch 41 is engaged with the ball valve sleeve 44.

Specifically, a part of the water flow switch 41 extends out of the opening of the first housing 21 similar to the shape of a runway, a rack is arranged at the bottom of the water flow switch 41, a ball valve sleeve 44 is arranged on the sector gear 42, and the water flow switch 41 and the ball valve sleeve 44 are meshed and connected with the sector gear 42 through the rack; the rotation center of the sector gear 42 is fixed to a support plate on the water flow passage 23, and a cylindrical protrusion for restricting the rotation position of the sector gear 42 is provided on the support plate, and the sector gear 42 can rotate by 90 degrees.

The ball valve housing 44 is provided with a rubber ball valve 43, the rubber ball valve 43 is vertically positioned in the water flow channel 23, the water flow switch 41 is pushed to drive the ball valve housing 44 to rotate, and the rubber ball valve 43 synchronously rotates along with the ball valve housing 44 to control the flow rate of the water flow channel 23.

The stepless speed regulation working principle of the water flow switch device is as follows: through the meshing connection of rack and sector gear 42, promote water flow switch 41 and will drive ball valve cover 44 rotatory, rubber ball valve 43 follows ball valve cover 44 synchronous rotation, and the switching of circulation state and the jam state of rivers passageway 23 can be realized to the ninety degree rotation range of rubber ball valve 43, thereby the distance through control promotion water flow switch 41 controls the rotation angle of rubber ball valve 43 in order to realize the flow infinitely variable control of rivers passageway 23.

The working principle of the passive tooth flushing device is as follows:

in practical application of the utility model, as shown in fig. 7, when the user presses the nozzle switch button 31 to squeeze the annular buckle 33, the annular buckle 33 squeezes the spring 34, the connecting rod 14 of the nozzle body 1 is inserted into the nozzle push cap 32, the connecting rod 14 squeezes the nozzle push cap 32, and the pressure spring is compressed; the nozzle switch button 31 is loosened, the annular buckle 33 is clamped and connected with the annular groove of the connecting rod 14 under the extrusion of the spring 34, and the rapid assembly of the nozzle main body and the handle 2 is completed;

a user is connected with a household faucet through an upper ring sleeve of a faucet joint 6, water flow of the faucet flows through a hose 5 of the faucet joint through a handle 2 and enters a connecting rod 14, the water flow enters a spray head 11 through the connecting rod 14 with gradually changed aperture and drives a turbine 12 to rotate at high speed in a turbine cover 13, the water flow is stirred at high speed by the turbine 12 to form tiny water drops, the tiny water drops flow along the interior of the spray head 11, the tiny water drops converge from a first water outlet 16 and a second water outlet 17 of the turbine 12 to a water outlet 15 of the spray head and are sprayed out in a conical shape, and conical water mist cleans the surfaces of teeth, the inner walls of the teeth and teeth seams without dead angles;

in the using process, as shown in fig. 10 and 11, a user can push the water flow switch 41 to drive the ball valve sleeve 44 to rotate, the rubber ball valve 43 rotates synchronously with the ball valve sleeve 44, the ninety-degree rotation range of the rubber ball valve 43 can realize the switching between the flowing state and the blocking state of the water flow channel 23, and the rotating angle of the rubber ball valve 43 is controlled by controlling the distance of pushing the water flow switch 41 to realize the stepless flow rate adjustment of the water flow channel 23;

after the user cleans the teeth, as shown in fig. 8, the nozzle switch button 31 is pressed to press the annular buckle 33, the annular buckle 33 is separated from the annular groove by the annular buckle 33 pressing the spring 34, the pressure spring of the nozzle push cap 32 separates the connecting rod 14 from the handle 2, and the quick detachment of the nozzle body 1 and the handle 2 is completed;

when the user does not need to use the household faucet, the ring sleeve of the faucet joint 6 is pulled to realize quick detachment from the household faucet.

Although specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, the scope of protection of the present invention should not be limited thereto. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. A passive tooth flusher is characterized in that: comprises a nozzle body (1) and a handle (2);

a spray head switch device and a water flow switch device are arranged in the handle (2); one end of the spray head main body (1) penetrates through the switch device and is communicated with one end of the water flow switch device; the other end of the water flow switch device is communicated with one end of a hose (5), and the other end of the hose (5) is communicated with the water outlet end of a water tap joint (6); the water inlet end of the water tap joint (6) is communicated with an external water tap.

2. The passive dental irrigator of claim 1, wherein: the sprayer body (1) comprises a sprayer (11), the sprayer (11) is conical, and a water outlet (15) is formed in the conical tip; a turbine (12) is arranged in the spray head (11), the turbine (12) is rotationally connected with a turbine cover (13), the turbine cover (13) is arranged on the spray head (11), and the turbine (12) is provided with a first water outlet (16) and a second water outlet (17) which are symmetrical; the inclination angles of the first water outlet (16) and the second water outlet (17) are the same as the inclination angle of the water outlet (15) of the spray head (11).

3. The passive dental irrigator of claim 2, wherein: the sprayer main body (1) further comprises a connecting rod (14), the connecting rod (14) is a pipeline with gradually changed aperture, the sprayer (11) is communicated with the tip of the connecting rod (14) and forms a whole, and the other end of the connecting rod (14) is provided with an annular groove.

4. The passive dental irrigator of claim 3, wherein: the handle (2) comprises a handle shell, the handle shell comprises a first shell (21) and a second shell (22), and the first shell (21) and the second shell (22) are connected to form an inner accommodating space; the inner containing space is provided with a water flow channel (23), and the water flow channel (23) is communicated with one end of the hose (5).

5. The passive dental irrigator of claim 4, wherein: the spray head switch device (3) comprises a spray head push cap (32) and an annular buckle (33), and a pressure spring is arranged in the spray head push cap (32); one end of the connecting rod (14) penetrates through the spray head push cap (32) and the pressure spring to extend to the interior of the handle shell, and is connected with the annular buckle (33) in a clamping mode through the annular groove.

6. The passive dental irrigator of claim 5, wherein: annular buckle (33) one side is connected with spring (34), the opposite side of annular buckle (33) is equipped with shower nozzle shift knob (31), shower nozzle shift knob (31) with annular buckle (33) extrusion links to each other.

7. The passive dental irrigator of claim 6, wherein: the bottom of the spray head switch button (31) is provided with a limiting bulge, the spray head switch button (31) is limited on the handle shell by the limiting bulge, and part of the spray head switch button (31) is extruded to the outside of the handle shell through the annular buckle (33); the nozzle switch button (31) is pressed to extrude the annular buckle (33), the annular buckle (33) is extruded through the annular buckle (33), the spring (34) separates the annular buckle (33) from the annular groove, and the pressure spring of the nozzle push cap (32) separates the connecting rod (14) from the handle.

8. The passive dental irrigator of claim 4, wherein: the water flow switch device (4) comprises a water flow switch (41), the water flow switch (41) is movably connected with the outside of the first shell (21), the water flow switch (41) is meshed with a ball valve sleeve (44), a rubber ball valve (43) is arranged in the ball valve sleeve (44), and the rubber ball valve (43) is vertically positioned in the water flow channel; the water flow switch (41) is pushed to drive the ball valve sleeve (44) to rotate, and the rubber ball valve (43) rotates synchronously along with the ball valve sleeve (44) so as to control the flow of the water flow channel.

9. The passive dental irrigator of claim 1, wherein: the middle end of the hose (5) is of a spiral stacking structure.

10. The passive dental irrigator of claim 1, wherein: the water faucet joint (6) is provided with a ring sleeve, and the ring sleeve is connected with a household water faucet.