CN212592528U

CN212592528U - Ultrasonic oral cavity irrigator

Info

Publication number: CN212592528U
Application number: CN202020593875.8U
Authority: CN
Inventors: 赵纯亮; 周石; 胡弟元; 毛爱华
Original assignee: Zhongsheng Health Technology Shenzhen Co ltd
Current assignee: Chongqing Haifu Medical Technology Co.,Ltd.; Zhongsheng Health Technology (Shenzhen) Co.,Ltd.
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-02-26
Anticipated expiration: 2030-04-20

Abstract

The utility model provides an ultrasonic oral cavity flusher for introduce ultrasonic wave technique among the prior art, implement ultrasonic cavitation in order to increase disinfection function and improve the washing effect to water. The method comprises the following steps: the spray head assembly comprises an amplitude variation piece, the amplitude variation piece is an amplitude variation rod, a first water channel is arranged in the amplitude variation rod, a water outlet is formed in the front end of the amplitude variation rod, a water inlet is formed in the rear end of the amplitude variation rod, and the first water channel penetrates from the water inlet to the water outlet; the first water channel comprises a convergence section, and the aperture of the convergence section is reduced from large to small along the water spraying direction; the handle assembly comprises a shell and a transducer, the rear end of the amplitude transformer is connected with the transducer, the transducer is installed in the shell, and the front end of the amplitude transformer extends out of the shell. Through set up the water course on the amplitude transformer for water course simple structure makes more convenient, and water pressure is difficult for the decay simultaneously, and the amplitude transformer can carry out better cavitation to water when the vibration, thereby has better clean tooth effect.

Description

Ultrasonic oral cavity irrigator

Technical Field

The utility model relates to an oral cleaning equipment field especially relates to an ultrasonic wave oral cavity flusher.

Background

With the development of society and the advancement of technology, oral care products such as sonic toothbrushes, oral irrigators and the like are increasing, wherein the oral irrigators are one of the fastest-developing products in recent years. Brushing teeth is a daily oral care task for everyone, but in some cases, it is difficult to brush teeth, such as during the Nakazaki, periodontal treatment, etc., and oral irrigators are used for oral care. The oral cavity irrigator is used for irrigating the tooth gaps, periodontal and tooth surfaces by high-pressure water flow to remove impurities such as food residues and the like. At present, oral irrigators on the market are more and more, the acceptance of people is higher and higher, the product technology is also continuously improved, and the functions of pulse water flow irrigation, gas-liquid mixed irrigation and the like are developed from the previous single continuous water flow irrigation.

The existing oral cavity flushing device has single function, does not have ultrasonic cavitation water flow and can not provide the disinfection and sterilization function.

Disclosure of Invention

In view of the above shortcomings of the prior art, an object of the present invention is to provide an ultrasonic oral cavity irrigator for solving the problem that the oral cavity irrigator in the prior art does not have ultrasonic cavitation water flow and cannot provide disinfection function.

To achieve the above and other related objects, the present invention provides an ultrasonic oral irrigator, comprising:

the spray head assembly comprises an amplitude transformer, a first water channel is arranged in the amplitude transformer, a water outlet is arranged at the front end of the amplitude transformer, a water inlet is arranged at the rear end of the amplitude transformer, the first water channel penetrates from the water inlet to the water outlet, the first water channel comprises a convergent section, and the aperture of the convergent section is reduced from large to small along the water spraying direction;

the handle assembly comprises a shell and a transducer, the rear end of the amplitude transformer is connected with the transducer, the transducer is installed in the shell, and the front end of the amplitude transformer extends out of the shell.

Optionally, the transducer is mounted in the housing by a rigid structure or a resilient structure.

Optionally, the water outlet is a tapered hole with a gradually increasing aperture along the water spraying direction, and the converging section and the water outlet form a waterway structure which contracts and expands firstly.

Optionally, the convergent section is of a stepped gradual change structure.

Optionally, the outer wall of the amplitude transformer is of an equal-diameter structure;

or the outer wall of the amplitude transformer is of a reducing structure, and the outer diameter of the amplitude transformer is gradually reduced along the water spraying direction.

Optionally, the outer profile of the front end of the horn is a blunt structure.

Optionally, the outer contour of the front end of the horn is provided with a chamfer structure, or the outer contour of the front end of the horn is an arc structure.

Optionally, the water spraying direction of the water outlet is parallel to or forms an included angle with the axis of the amplitude transformer.

Optionally, a standing wave cavity is arranged in the front end of the amplitude transformer, a water inlet of the standing wave cavity is communicated with the first water channel, a water outlet of the standing wave cavity is communicated with the standing wave cavity, and water enters the standing wave cavity after passing through the standing wave cavity and then is sprayed out from the water outlet.

Optionally, the spray head assembly further includes a sheath, the sheath is sleeved on the amplitude transformer, the front end of the amplitude transformer extends out of the front end of the sheath, or the front end of the amplitude transformer is located in the sheath and water is sprayed out of the sheath.

Optionally, the spray head assembly further comprises a sheath, the sheath is sleeved outside the amplitude transformer, a standing wave cavity and a water spray nozzle communicated with the standing wave cavity are arranged at the front end of the sheath, the front end of the amplitude transformer is located in the standing wave cavity, and a water outlet of the amplitude transformer is communicated with the standing wave cavity.

Optionally, the water spraying direction of the water spraying opening is parallel to or forms an included angle with the axis of the amplitude transformer.

Optionally, the front end of the amplitude transformer is of a bent structure, and the bent angle of the front end of the amplitude transformer is 0-90 °.

Optionally, an elastic rubber ring is arranged on the inner wall of the front portion of the sheath, the elastic rubber ring is sleeved outside the amplitude transformer, and the rear end of the sheath is connected with the shell or supported on the amplitude transformer.

Optionally, an elastic sealing structure is further arranged between the sheath and the amplitude transformer, and the elastic sealing structure is used for sealing and isolating a space between the sheath and the amplitude transformer from the standing wave cavity.

Optionally, the sheath and the housing are detachably connected or the sheath and the housing are non-detachably connected.

Optionally, the sheath is detachably mounted on the housing through at least one clamping mechanism, the clamping mechanism includes a mounting groove, a lock pin and an elastic member, the lock pin is mounted in the mounting groove through the elastic member, an annular groove is formed in the outer peripheral surface of the sheath, and the lock pin is pushed into the annular groove under the action of the elastic member.

Optionally, the handle assembly further comprises a water pump assembly, a water tank and a suction pipe, the water pump assembly, the water tank and the suction pipe are positioned in the housing, the suction pipe is inserted into the water tank, a valve is arranged on the suction pipe, and the suction pipe is directly communicated with the water channel of the amplitude transformer; or the water suction pipe is communicated with the water channel of the energy converter, and the water channel of the energy converter is communicated with the water channel of the amplitude transformer.

Optionally, the water pump assembly includes a water pump, a motor and a transmission, the motor drives an input shaft of the transmission to rotate, and the water pump is connected with an output shaft of the transmission.

Optionally, the handle assembly further includes a power module located in the housing, and the power module is a wired rechargeable module, a wireless rechargeable module or a non-rechargeable module.

Optionally, the handle assembly further comprises a heating module for heating the water.

Optionally, the handle assembly further comprises a circuit board and a control button, and the circuit board is electrically connected with the control button.

Optionally, the handle assembly further comprises an indicator light, and the circuit board is electrically connected with the indicator light.

As mentioned above, the ultrasonic oral irrigator of the utility model has the following beneficial effects at least:

through set up the water course on the amplitude transformer for water course simple structure makes more convenient, and water pressure is difficult for the decay simultaneously, and the amplitude transformer can carry out better cavitation to water when the vibration, thereby has better clean tooth effect.

Drawings

Fig. 1 is a schematic view of the ultrasonic oral irrigator of the present invention.

Fig. 2 is a schematic view of a first embodiment of a horn according to the present invention.

Fig. 3 is a schematic view of a second embodiment of the horn of the present invention.

Fig. 4 is a schematic view of a third embodiment of a horn according to the present invention.

Fig. 5 is a schematic view of a fourth embodiment of the horn of the present invention.

Fig. 6 is a schematic view of a fifth embodiment of the horn of the present invention.

Fig. 7 is a schematic view of a sixth embodiment of the horn of the present invention.

Fig. 8 is a schematic view of another embodiment of the ultrasonic oral irrigator of the present invention.

Fig. 9 is a partially enlarged view of a in fig. 8.

Fig. 10 shows a schematic view of the transducer of the present invention when resiliently mounted.

Fig. 11 is a schematic view of a first embodiment of the showerhead assembly of the present invention with a sheath.

Fig. 12 is a schematic view of a second embodiment of the showerhead assembly of the present invention with a sheath.

Fig. 13 is a schematic view of a third embodiment of the present invention when the head assembly is provided with a sheath.

Fig. 14 is a schematic view of a fourth embodiment of the present invention when the showerhead assembly is sheathed.

Fig. 15 is a schematic view of a fifth embodiment of the showerhead assembly of the present invention with a sheath.

Fig. 16 is a schematic view of a standard sheath of the present invention.

Fig. 17 shows a schematic view of a periodontal pocket sheath of the present invention.

Fig. 18 is a schematic view of a plaque and orthodontic sheath of the present invention.

Fig. 19 is a schematic view of the tongue coating sheath of the present invention.

Fig. 20 is a schematic view of a tartar sheath of the present invention.

Fig. 21 shows a schematic view of another embodiment of the periodontal pocket sheath of the present invention.

Fig. 22 shows a schematic view of a periodontal pocket sheath of the present invention.

Fig. 23 shows a schematic view of a periodontal pocket sheath of the present invention.

Element number description: the water pump comprises an amplitude transformer 11, a first water channel 111, a convergence section 1111, a tapered hole 11111, a water outlet 112, a water inlet 113, an arc-shaped structure 114, a shell 21, a transducer 22, a soft rubber cushion 220, a soft rubber sleeve 223, a standing wave cavity 115, a sheath 12, a water spray port 121, an elastic rubber ring 122, a clamping mechanism 3, a mounting groove 31, a lock pin 32, an elastic piece 33, an annular groove 123, a water pump assembly 23, a water tank 24, a water suction pipe 25, a valve 251, a water pump 231, a motor 232, a transmission 233, a power module 26, a circuit board 27, a control button 28, an indicator light 29 and a heating module 30.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 20. It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that can be achieved. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.

Referring to fig. 1 to 15, the present invention provides an embodiment of an ultrasonic oral irrigator, comprising: the spray head assembly comprises an amplitude variation piece, the amplitude variation piece is an amplitude variation rod 11, a first water channel 111 is arranged in the amplitude variation rod 11, a water outlet 112 is arranged at the front end of the amplitude variation rod 11, a water inlet 113 is arranged at the rear end of the amplitude variation rod 11, and the first water channel 111 penetrates from the water inlet 113 to the water outlet 112; the handle assembly comprises a shell 21 and a transducer 22, the rear end of the horn 11 is connected with the transducer 22, the transducer 22 is installed in the shell 21, and the front end of the horn 11 extends out of the shell 21. Through set up the water course on become width of cloth pole 11 for water course simple structure makes more convenient, and the difficult decay of water pressure simultaneously becomes width of cloth pole 11 and can carry out better cavitation to water when the vibration, thereby has better clean tooth effect. Referring to fig. 1 to 9 and 10 to 15, the first water channel 111 includes a convergent section 1111, and the aperture of the convergent section 1111 decreases from large to small along the water spraying direction. The first water channel 111 with the convergent structure ensures that the pressure of water pressure is not easy to attenuate when water is sprayed out, and has better scouring effect.

In this embodiment, the transducer 22 is mounted in the housing 21 by a rigid structure or an elastic structure. The hard structure can be installed through a bolt, a thread or the like, and can also be a welded structure, and the elastic structure can be installed through elastic rubber.

In this embodiment, referring to fig. 1, 10 and 14, the transducer 22 is mounted in the housing 21 through an elastic structure. The elastic structure makes the vibration of the transducer 22 not easily interfered by the shell 21, thereby improving the vibration performance and ensuring the cavitation effect of the amplitude transformer 11 on water. The elastic structure here may be a soft rubber sleeve 223, and the soft rubber sleeve 223 is sleeved on the transducer 22. A soft rubber pad 220 may also be provided at the bottom of the transducer 22.

In this embodiment, referring to fig. 1 to 9 and fig. 10 to 15, in the embodiment, the water outlet 112 is a tapered hole with a gradually increasing aperture along the water spraying direction, and the converging section 1111 and the water outlet 112 form a waterway structure that contracts first and then expands. The water column is converged and then expanded, so that the water pressure is not easy to attenuate, and the shape of the water column can be ensured.

In this embodiment, the convergence section 1111 is a gradual convergence structure and/or the convergence section 1111 is an abrupt convergence structure. In this embodiment, referring to fig. 1 to 9 and fig. 10 to 15, the convergence section 1111 has a stepwise gradual structure, and the convergence section 1111 includes at least one tapered hole 11111, and when there are a plurality of tapered holes 11111, the tapered holes 11111 are connected in sequence. That is, the conicity between the adjacent conical holes 11111 is different, the big hole of one conical hole 11111 is equal to the small hole of the other conical hole 11111, so as to form a gradual change convergence structure, and the gradual change convergence structure causes the water channel to have small disturbance to water. In FIG. 5, there is only one tapered hole 11111, i.e., one-order convergence; when the multi-stage convergence is performed, the aperture of the first water channel 111 can be changed more quickly, and the design of the generated requirements is facilitated.

In this embodiment, please refer to fig. 7, the outer wall of the amplitude transformer 11 is of an equal-diameter structure;

in this embodiment, referring to fig. 2 to 7, the outer wall of the horn 11 is a reducing structure, and the outer diameter of the horn 11 gradually decreases along the water spraying direction. The water inlet end is a large end, the water outlet end is a small end, in order to achieve sufficient energy exchange, the amplitude transformer 11 is used for amplifying the amplitude value of ultrasonic vibration, the diameter of the amplitude transformer is gradually reduced from the large end to the small end according to the vibration principle, the diameter ratio of the large end to the small end is the amplification coefficient of the amplitude transformer 11, the diameter of the large end is designed to be 8-20 mm, the optimized value is 10mm, the diameter of the small end of the amplitude transformer 11 is set to be 1-5 mm, and the optimized value is 2 mm. Meanwhile, the water channel inside the amplitude transformer 11 is designed as a convergent water channel, and since the water channel always penetrates through the amplitude transformer 11, if the water channel is designed as a straight through channel with equal diameter, the diameter of the straight through channel is smaller than the minimum diameter of the amplitude transformer 11, and if the straight through channel is designed as a long and thin straight pipeline, the straight through channel only can be designed as a long and thin pipeline with equal diameter, and the water pressure is seriously attenuated. Through multiple design verification, the water channel is designed into a convergent shape from large to small, so that smoothness of the water channel and machinable and implementable performance of engineering are basically guaranteed.

In this embodiment, referring to fig. 1 to 7, the outer contour of the front end of the horn 11 is a blunt structure. The oral cavity treatment instrument is applied to oral cavity products, and is required to avoid acute angles, sharp edges and other structures which are easy to cause injury. Optionally, the outer contour of the front end of the horn 11 is provided with a chamfer structure, and optionally, the outer contour of the front end of the horn 11 is an arc structure. The outer contour is an arc-shaped structure 114, which may be a drop-like structure or a spherical structure.

In this embodiment, referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 7, the water spraying direction of the water outlet 112 forms an angle with the axis of the amplitude transformer 11. Optionally, the front end of the amplitude transformer 11 is of a bent structure, and the bent angle of the front end of the amplitude transformer 11 is 0-90 °.

In this embodiment, referring to fig. 3 and 6, the water spraying direction of the water outlet 112 is parallel to the axis of the amplitude transformer 11.

In this embodiment, referring to fig. 4 to 7, a standing wave cavity 115 is disposed in the front end of the amplitude transformer 11, a water inlet of the standing wave cavity 115 is communicated with the first water channel 111, the water outlet 112 is communicated with the standing wave cavity 115, and water enters the standing wave cavity after passing through the standing wave cavity and is then ejected from the water outlet. The standing wave cavity 115 can effectively improve the intensity of ultrasonic cavitation, so that the disinfection/sterilization effect is better.

In this embodiment, referring to fig. 8, 9, 11 to 15, the spray head assembly further includes a sheath 12, the sheath 12 is sleeved on the horn 11, and a front end of the horn 11 extends out of a front end of the sheath 12. The sheath 12 can protect the horn 11.

In this embodiment, referring to fig. 15, the spray head assembly further includes a sheath 12, the sheath 12 is sleeved outside the amplitude transformer 11, a standing wave cavity 115 and a water spraying port 121 communicated with the standing wave cavity 115 are disposed at a front end of the sheath 12, the front end of the amplitude transformer 11 is located in the standing wave cavity 115, and a water outlet 112 of the amplitude transformer 11 is communicated with the standing wave cavity 115. The sheath 12 can protect the horn 11. The standing wave cavity 115 can effectively improve the intensity of ultrasonic cavitation, so that the disinfection/sterilization effect is better.

In this embodiment, referring to fig. 15, the water spraying direction of the water spraying opening 121 forms an included angle with the axis of the amplitude transformer 11. The operation during convenient cleanness. Alternatively, the water spraying holes 121 have a gradually larger aperture in the water spraying direction. The shape of the sprayed water column can be ensured by gradually enlarging the aperture. Optionally, the sheath 12 is connected to the horn 11 by a resilient structure. So that the vibration interference of the sheath 12 to the horn 11 is reduced, optionally, the sheath 12 is connected with the horn 11 through an elastic rubber ring 122, the elastic rubber ring 122 is sleeved on the front end of the horn 11, and the elastic rubber ring 122 is located in the sheath 12; the sheath may also be coupled to the housing.

In this embodiment, referring to fig. 15, an elastic sealing structure is further disposed between the sheath 12 and the horn 11, and the elastic sealing structure is used for sealing and isolating a space between the sheath 12 and the horn 11 from the standing wave cavity 115. Through the arrangement of the elastic sealing structure, the sealing performance of the elastic sealing structure can prevent water in the standing wave cavity 115 from flowing back to enter an interlayer space between the sheath 12 and the amplitude transformer 11, meanwhile, the elastic structure can ensure the sustainability of the detachment between the amplitude transformer 11 and the sheath 12, the specific detachable purpose is shown in the following embodiment, and the elastic sealing structure can also be designed into a non-detachable structure. The specific structure may adopt an elastic rubber ring 122, and the elastic rubber ring 122 may be fixed on the inner wall of the sheath 12. The water outlet end of the amplitude transformer 11 forms a neck-shaped structure, and the elastic rubber ring 122 is matched with the neck-shaped structure to have better sealing performance.

In this embodiment, referring to fig. 15 to 20, the sheath 12 and the housing 21 are detachably mounted. The detachably mounted structure enables the corresponding functional sheath 12 to be selected as desired during use, the functional kit comprising: standard sheath, periodontal pocket sheath, plaque sheath, orthodontic sheath, tongue coating sheath, and tartar sheath. The detachable installation can be in a plug-in mode and installed on the amplitude transformer 11, or in a thread mode and installed on the amplitude transformer 11, the functional kit can be directly or indirectly connected with the shell of a product when installed, the amplitude transformer 11 and the rear end of the functional kit are both installed on the shell, the corresponding functional kit can be selected to be matched according to different use requirements, for example, a standard sheath can be adopted when cleaning oral cavities and tooth gaps; when cleaning the periodontal pocket, a periodontal pocket sheath is adopted; when the orthodontic braces and dental plaque are cleaned, the dental plaque and the orthodontic sheaths are adopted; when cleaning the tongue coating, a tongue coating sheath is adopted; when cleaning tartar, a tartar sheath is adopted. The overall function of sheath 12 includes protecting horn 11 and assisting horn 11 in spraying water from the water channel to provide various oral cleaning functions.

The standard sheath (fig. 16) is a common functional kit of the ultrasonic oral irrigator and provides functions of changing the water spraying direction of the water channel of the amplitude transformer 11 and adjusting the diameter of the water flow.

The top of the periodontal pocket sheath (fig. 17) has a sharp taper component made of soft rubber. The tip of the soft rubber can penetrate into the periodontal pocket, and the soft rubber material can avoid damaging the tissue of the periodontal pocket. The functional sheath 12 can guide the water channel of the amplitude transformer 11 into the deep part of the periodontal pocket for cleaning. In addition to the sheath embodiment of fig. 17, it may also take the form of fig. 21: the front end of the amplitude transformer 11 is positioned in the sheath, water is sprayed out of the sheath 12, a periodontal pocket sheath is arranged at the tail end of the amplitude transformer 11, and the periodontal pocket sheath is not connected with the handle.

The plaque and orthodontic sheath (fig. 18) has an assembly with bristles at the tip. The brush hair can generate high-frequency vibration under the impact of high-speed water and clean the orthodontic brace and dental plaque attached to the tooth surface of the oral cavity under the matching action of external force. In addition to the sheath embodiment of fig. 18, it may also be in the form of fig. 22: the front end of the amplitude transformer 11 is positioned in the sheath, water is sprayed out from the sheath 12, dental plaque and an orthodontic sheath are only arranged at the tail end of the amplitude transformer 11, and the dental plaque and the orthodontic sheath are not connected with the handle.

The tip of the tongue coating sheath (fig. 19) has a spoon-like component. The small spoon assembly with the arc shape can uniformly spread the water spray of the amplitude transformer 11 water channel to the tongue surface and clean the tongue fur on the tongue surface by matching with the arc-shaped edge of the smooth small spoon. In addition to the sheath embodiment of fig. 19, it may be in the form of fig. 23: the front end of the amplitude transformer 11 is positioned in the sheath, water is sprayed out from the sheath 12, and the tongue coating sheath is only arranged at the tail end of the amplitude transformer 11 and is not connected with the handle.

The top end of the tartar sheath (figure 20) is provided with a soft rubber component with a claw-shaped structure. The claw-shaped structure covers the spherical/drop-like water spraying end of the amplitude transformer 11; the claw-shaped structure is made of soft rubber, is hollowed out and exposes part of the water spraying end of the amplitude transformer 11. The sheath 12 functions to conduct the horn 11 vibrations to the tartar surface and clean it.

In this embodiment, referring to fig. 1, the sheath 12 is detachably mounted on the housing 21 through at least one fastening mechanism 3, the fastening mechanism 3 includes a mounting slot 31, a locking pin 32 and an elastic member 33, the locking pin 32 is mounted in the mounting slot 31 through the elastic member 33, and the elastic member 33 has a tendency to keep the locking pin 32 ejected out of the mounting slot 31. Optionally, the detent 32 is in a radial direction of the sheath 12. Through the design of chucking mechanism 3 for sheath 12 can be installed fast and dismantle, and in the installation sheath 12 rear end inserted casing 21, the sheath 12 outer wall pushed away lockpin 32 to the outside, and the round pin axle pushes up it tightly after inserting, when needs dismantle, it can to extract sheath 12.

In this embodiment, referring to fig. 1, there are a plurality of the gripping mechanisms 3, and each of the gripping mechanisms 3 is arranged at equal intervals in the circumferential direction of the sheath 12. The annular upper stress of the clamping device is more uniform, and the clamping points are increased, so that the clamping force is larger.

In this embodiment, referring to fig. 1, an annular groove 123 is formed on the outer circumferential surface of the sheath 12, and the end of the locking pin 32 can be pushed into the annular groove 123 during locking. So that it can prevent sheath 12 from slipping off.

In this embodiment, referring to fig. 1, the handle assembly further includes a water pump assembly 23 located in the housing 21, a water tank 24 and a suction pipe 25, the suction pipe 25 is inserted into the water tank 24, and the suction pipe 25 is directly communicated with the water channel of the horn 11; alternatively, as shown in fig. 1, the barrel 25 is in communication with the water channel of the transducer 22, and the water channel of the transducer 22 is in communication with the water channel of the horn 11.

In this embodiment, referring to fig. 1, a valve 251 is disposed on the suction pipe 25. The water flow is conveniently controlled, the valve 251 can be an electromagnetic valve, and the electromagnetic valve is conveniently communicated with a circuit board and is finally controlled through a button.

In this embodiment, referring to fig. 1, the water pump assembly 23 includes a water pump 231, a motor 232, and a transmission 233, the motor 232 drives an input shaft of the transmission 233 to rotate, and the water pump 231 is connected to an output shaft of the transmission 233. The arrangement of the transmission 233 makes it possible to design it for different rotational speed requirements.

In this embodiment, referring to fig. 1, the handle assembly further includes a power module 26 located in the housing 21, and the power module 26 is a wired rechargeable module, a wireless rechargeable module or a non-rechargeable module. When the rechargeable module is used, the rechargeable module is convenient to use repeatedly, and the non-rechargeable module can be directly plugged into a working mode and can also be in a disposable battery mode.

In this embodiment, referring to fig. 1, the handle assembly further includes a circuit board 27 and a control button 28, and the circuit board 27 is electrically connected to the control button 28. The working state of the ultrasonic oral irrigator is convenient to control.

In this embodiment, referring to fig. 1, the handle assembly further includes an indicator light 29, and the circuit board 27 is electrically connected to the indicator light 29. The working state can be visually seen, so that the operation of an operator is facilitated.

In this embodiment, the handle assembly further comprises a heating module 30, and the heating module 30 is used for heating water. The heating of the water can be performed in the water tank 24 or the water suction pipe 25. The water is heated, so that the water can achieve better use experience, and meanwhile, the water sterilizing device also has a better sterilizing effect. The heating module 30 may be a heating wire heating or an electromagnetic induction heating, and the power of the heating module 30 is supplied by the power module 26.

To sum up, the utility model discloses a set up the water course on become width of cloth pole 11 for water course simple structure, it is more convenient to make, and water pressure is difficult for the decay simultaneously, becomes width of cloth pole 11 and can carry out better cavitation to water when the vibration, thereby has better clean tooth effect. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. An ultrasonic oral irrigator, comprising:

2. The ultrasonic oral irrigator of claim 1, wherein: the transducer is mounted in the housing by a rigid or resilient structure.

3. The ultrasonic oral irrigator of claim 1, wherein: the water outlet is a tapered hole with the diameter gradually increased along the water spraying direction, and the converging section and the water outlet form a waterway structure which is contracted and then expanded.

4. The ultrasonic oral irrigator of claim 3, wherein: the convergence section is of a stepped gradual change structure.

5. The ultrasonic oral irrigator of claim 1, wherein:

the outer wall of the amplitude transformer is of an equal-diameter structure;

6. The ultrasonic oral irrigator of claim 1, wherein: the outer contour of the front end of the amplitude transformer is a blunt structure.

7. The ultrasonic oral irrigator of claim 6, wherein: the outer contour of the front end of the amplitude transformer is provided with a chamfer structure, or the outer contour of the front end of the amplitude transformer is of an arc structure.

8. The ultrasonic oral irrigator of claim 1, wherein: the water spraying direction of the water outlet is parallel to or forms an included angle with the axis of the amplitude transformer.

9. The ultrasonic oral irrigator of claim 1, wherein: the front end of the amplitude transformer is of a bending structure, and the bending angle of the front end of the amplitude transformer is 0-90 degrees.

10. The ultrasonic oral irrigator of claim 1, wherein: a standing wave cavity is arranged in the front end of the amplitude transformer, a water inlet of the standing wave cavity is communicated with the first water channel, a water outlet of the standing wave cavity is communicated with the standing wave cavity, and water enters the standing wave cavity after passing through the standing wave cavity and then is sprayed out of the water outlet.

11. The ultrasonic oral irrigator of claim 1, wherein: the spray head assembly further comprises a sheath, the sheath is sleeved on the amplitude transformer, the front end of the amplitude transformer extends out of the front end of the sheath, or the front end of the amplitude transformer is located in the sheath, and water is sprayed out of the sheath.

12. The ultrasonic oral irrigator of claim 1, wherein: the spray head component further comprises a sheath, the sheath is sleeved outside the amplitude transformer, a standing wave cavity and a water spray nozzle communicated with the standing wave cavity are arranged at the front end of the sheath, the front end of the amplitude transformer is located in the standing wave cavity, and a water outlet of the amplitude transformer is communicated with the standing wave cavity.

13. The ultrasonic oral irrigator of claim 12, wherein: the water spraying direction of the water spraying opening forms an included angle with the axis of the amplitude transformer.

14. The ultrasonic oral irrigator of claim 12, wherein: an elastic rubber ring is arranged on the inner wall of the front part of the sheath, the elastic rubber ring is sleeved outside the amplitude transformer, and the rear end of the sheath is connected with the shell or supported on the amplitude transformer.

15. The ultrasonic oral irrigator of claim 14, wherein: an elastic sealing structure is further arranged between the sheath and the amplitude transformer and used for sealing and isolating the space between the sheath and the amplitude transformer from the standing wave cavity.

16. The ultrasonic oral irrigator of claim 11, wherein: the sheath and the housing are detachably connected or the sheath and the housing are non-detachably connected.

17. The ultrasonic oral irrigator of claim 16, wherein: the sheath is detachably mounted on the shell through at least one clamping mechanism, the clamping mechanism comprises a mounting groove, a lock pin and an elastic piece, the lock pin is mounted in the mounting groove through the elastic piece, an annular groove is formed in the peripheral surface of the sheath, and the lock pin is ejected into the annular groove under the action of the elastic piece.

18. The ultrasonic oral irrigator of any one of claims 1-17, wherein: the handle assembly also comprises a water pump assembly, a water tank and a water suction pipe which are positioned in the shell, the water suction pipe is inserted into the water tank, a valve is arranged on the water suction pipe, and the water suction pipe is directly communicated with the water channel of the amplitude transformer; or the water suction pipe is communicated with the water channel of the energy converter, and the water channel of the energy converter is communicated with the water channel of the amplitude transformer.

19. The ultrasonic oral irrigator of claim 18, wherein: the water pump assembly comprises a water pump, a motor and a transmission, wherein the motor drives an input shaft of the transmission to rotate, and the water pump is connected with an output shaft of the transmission.

20. The ultrasonic oral irrigator of claim 18, wherein: the handle assembly also includes a power module located within the housing, the power module being a wired rechargeable module, a wireless rechargeable module, or a non-rechargeable module.

21. The ultrasonic oral irrigator of claim 18, wherein: the handle assembly further comprises a circuit board and a control button, and the circuit board is electrically connected with the control button.

22. The ultrasonic oral irrigator of claim 21, wherein: the handle assembly further comprises an indicator light, and the circuit board is electrically connected with the indicator light.

23. The ultrasonic oral irrigator of claim 18, wherein: the handle assembly further comprises a heating module for heating the water.