阅读说明：本技术 冲牙器 (Tooth flushing device ) 是由 潘刘云 于 2020-05-29 设计创作，主要内容包括：本申请提供了一种冲牙器,包括壳体、与壳体可拆卸连接的喷嘴、安装于壳体中的水箱、动力泵、安装于壳体中的控制主板和与控制主板电性连接的电源；动力泵和电源分别安装于壳体中,动力泵的进水口与水箱连通,动力泵的出水口与喷嘴连通,动力泵与控制主板电性连接,水箱中设有用于容置喷嘴的容置腔,冲牙器还包括用于照射容置腔的杀菌灯,杀菌灯与控制主板电性连接。本申请通过将喷嘴与壳体可拆卸连接。当冲牙器使用完毕后,可将喷嘴从壳体上拆卸下来,并放置于水箱的容置腔中存储,从而可减小冲牙器的体积,方便携带。通过杀菌灯可对容置于容置腔中的喷嘴进行杀菌处理,从而无需通过外部杀菌设备对喷嘴进行杀菌,提高喷嘴杀菌操作的便捷性。(The application provides a tooth flushing device, which comprises a shell, a nozzle detachably connected with the shell, a water tank arranged in the shell, a power pump, a control main board arranged in the shell and a power supply electrically connected with the control main board; the power pump and the power supply are installed in the shell respectively, the water inlet and the water tank of the power pump are communicated, the water outlet and the nozzle of the power pump are communicated, the power pump is electrically connected with the control mainboard, the water tank is internally provided with a holding cavity for holding the nozzle, the tooth flushing device further comprises a sterilizing lamp for irradiating the holding cavity, and the sterilizing lamp is electrically connected with the control mainboard. This application is through can dismantle the connection with the casing with the nozzle. After the tooth flushing device is used, the nozzle can be detached from the shell and stored in the accommodating cavity of the water tank, so that the size of the tooth flushing device can be reduced, and the tooth flushing device is convenient to carry. The sterilizing lamp can sterilize the nozzle contained in the containing cavity, so that the nozzle is not required to be sterilized through external sterilizing equipment, and the convenience of nozzle sterilizing operation is improved.)

1. The tooth flushing device comprises a shell, a nozzle detachably connected with the shell, a water tank arranged in the shell, a power pump used for conveying liquid in the water tank to the nozzle, a control main board arranged in the shell and a power supply electrically connected with the control main board; the power pump with the power install respectively in the casing, the water inlet of power pump with the water tank intercommunication, the delivery port of power pump with the nozzle intercommunication, the power pump with control mainboard electric connection, its characterized in that: the water tank is internally provided with an accommodating cavity for accommodating the nozzle, the tooth flushing device further comprises a bactericidal lamp for irradiating the accommodating cavity, and the bactericidal lamp is electrically connected with the control main board.

2. The dental irrigator of claim 1, wherein: the nozzle comprises a spray pipe communicated with a water outlet of the power pump and a plurality of first clamping strips arranged on the peripheral surface of the spray pipe, and the first clamping strips are arranged at intervals along the circumferential direction of the spray pipe; the spray pipe is characterized in that the shell is provided with a supporting seat for supporting the spray nozzle, the supporting seat is provided with a through hole for the spray pipe to pass through, and the inner circumferential surface of the through hole is provided with a plurality of second clamping strips which are rotatably clamped with the first clamping strips.

3. The dental irrigator of claim 2, wherein: the nozzle also comprises a guide pillar which is sleeved and fixed on the spray pipe, the guide pillar and the first clamping strips are arranged at intervals, the first clamping strips are arranged at one end, close to the supporting seat, of the guide pillar, a plurality of clamping grooves are formed in the outer peripheral surface of the guide pillar in an annular array mode, and the clamping grooves are formed in the axial direction of the guide pillar; the tooth flushing device further comprises an elastic strip arranged on the supporting seat, and a clamping protrusion which is used for extending into the corresponding clamping groove and is matched and positioned with the clamping groove is arranged on the elastic strip.

4. The dental irrigator of claim 3, wherein: the nozzle also comprises a baffle plate arranged on the outer peripheral surface of the spray pipe, and the guide post is arranged between the baffle plate and the first clamping strips; the accommodating cavity is internally provided with a supporting plate for supporting the guide post, and the supporting plate is provided with a notch for the guide post to extend into so as to stop the baffle.

5. The dental irrigator according to any one of claims 1 to 4, wherein: the water tank is provided with a first through hole for the nozzle to extend into the accommodating cavity, and the shell is provided with a second through hole and a cover plate for covering the second through hole corresponding to the first through hole.

6. The dental irrigator of claim 5, wherein: a third through hole is formed in the shell, and the third through hole and the second through hole are arranged at intervals; the cover plate comprises a substrate and a clamping hook which penetrates through the third through hole and is matched and clamped with the third through hole, and the clamping hook is arranged on the substrate.

7. The dental irrigator according to any one of claims 1 to 4, wherein: the shell is internally provided with a drain pipe which is detachably connected with the nozzle and a water inlet pipe which is communicated with the water inlet of the power pump and the accommodating cavity, and the drain pipe is connected with the water outlet of the power pump.

8. The dental irrigator of claim 7, wherein: the water tank comprises a first tank body arranged in the shell and a second tank body connected with the first tank body; the first box body is provided with a first accommodating chamber, the second box body is provided with a second accommodating chamber communicated with the first accommodating chamber, and the first accommodating chamber and the second accommodating chamber are combined into an accommodating cavity; the water outlet pipe comprises a first water outlet pipe arranged on the first box body and a second water outlet pipe arranged on the second box body, one end of the first water outlet pipe is communicated with a water outlet of the power pump, the other end of the first water outlet pipe is communicated with one end of the second water outlet pipe, and the other end of the second water outlet pipe is detachably connected with the nozzle; the water inlet pipe is communicated with the first accommodating chamber.

9. The dental irrigator of claim 7, wherein: the tooth flushing device also comprises a filter screen covering one end of the water inlet pipe close to the accommodating cavity; the filter screen is arranged in the accommodating cavity.

10. The dental irrigator of claim 8, wherein: the water tank is characterized by further comprising a water nozzle arranged at one end, close to the second water outlet pipe, of the first water outlet pipe, the water nozzle is communicated with the water passing holes of the first water outlet pipe and the second water outlet pipe, and the cross section area of the water passing holes is gradually reduced from the first water outlet pipe to the second water outlet pipe.

Technical Field

The application belongs to the field of oral cleaning equipment, and more particularly relates to a tooth flushing device.

Background

The tooth flusher is a cleaning tool for cleaning teeth and oral cavity by using water column jetted under a certain pressure. In order to achieve a better cleaning effect, the nozzle of the tooth flusher is usually designed to be longer, so as to clean different positions of the oral cavity. The used nozzles need to be sterilized to prevent bacterial infection.

However, the nozzle with a large length causes the tooth flusher to be large in volume and inconvenient to carry; the nozzle can be reused after being sterilized by external sterilizing equipment, so that the sterilizing operation of the nozzle is complicated.

Disclosure of Invention

An object of the embodiment of this application is to provide a towards tooth ware to solve the tooth ware that washes that exists among the correlation technique and carry inconvenience, nozzle disinfection complex operation's problem.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:

providing a tooth flushing device, which comprises a shell, a nozzle detachably connected with the shell, a water tank arranged in the shell, a power pump used for conveying liquid in the water tank to the nozzle, a control main board arranged in the shell and a power supply electrically connected with the control main board; the power pump with the power install respectively in the casing, the water inlet of power pump with the water tank intercommunication, the delivery port of power pump with the nozzle intercommunication, the power pump with control mainboard electric connection, be equipped with in the water tank and be used for the holding chamber of nozzle, the tooth ware of towards still including being used for shining the bactericidal lamp in holding chamber, the bactericidal lamp with control mainboard electric connection.

In one embodiment, the nozzle comprises a spray pipe communicated with the water outlet of the power pump and a plurality of first clamping strips arranged on the outer peripheral surface of the spray pipe, and the first clamping strips are arranged at intervals along the circumferential direction of the spray pipe; the spray pipe is characterized in that the shell is provided with a supporting seat for supporting the spray nozzle, the supporting seat is provided with a through hole for the spray pipe to pass through, and the inner circumferential surface of the through hole is provided with a plurality of second clamping strips which are rotatably clamped with the first clamping strips.

In one embodiment, the nozzle further includes a guide pillar fixed to the nozzle tube in a sleeved manner, the guide pillar is spaced apart from the first clamping strips, the first clamping strips are disposed at one end of the guide pillar close to the support seat, a plurality of clamping grooves are disposed in an annular array on an outer peripheral surface of the guide pillar, and each clamping groove is disposed along an axial direction of the guide pillar; the tooth flushing device further comprises an elastic strip arranged on the supporting seat, and a clamping protrusion which is used for extending into the corresponding clamping groove and is matched and positioned with the clamping groove is arranged on the elastic strip.

In one embodiment, the nozzle further comprises a baffle plate mounted on the outer peripheral surface of the spray pipe, and the guide posts are arranged between the baffle plate and the first clamping strips; the accommodating cavity is internally provided with a supporting plate for supporting the guide post, and the supporting plate is provided with a notch for the guide post to extend into so as to stop the baffle.

In one embodiment, the water tank is provided with a first through hole for the nozzle to extend into the accommodating cavity, and the shell is provided with a second through hole and a cover plate for covering the second through hole at a position corresponding to the first through hole.

In one embodiment, a third through hole is formed in the shell, and the third through hole and the second through hole are arranged at intervals; the cover plate comprises a substrate and a clamping hook which penetrates through the third through hole and is matched and clamped with the third through hole, and the clamping hook is arranged on the substrate.

In one embodiment, the casing is provided with a drain pipe detachably connected with the nozzle and an inlet pipe communicated with the water inlet of the power pump and the accommodating cavity, and the drain pipe is connected with the water outlet of the power pump.

In one embodiment, the water tank includes a first tank mounted in the housing and a second tank connected to the first tank; the first box body is provided with a first accommodating chamber, the second box body is provided with a second accommodating chamber communicated with the first accommodating chamber, and the first accommodating chamber and the second accommodating chamber are combined into an accommodating cavity; the water outlet pipe comprises a first water outlet pipe arranged on the first box body and a second water outlet pipe arranged on the second box body, one end of the first water outlet pipe is communicated with a water outlet of the power pump, the other end of the first water outlet pipe is communicated with one end of the second water outlet pipe, and the other end of the second water outlet pipe is detachably connected with the nozzle; the water inlet pipe is communicated with the first accommodating chamber.

In one embodiment, the tooth flushing device further comprises a filter screen covering one end of the water inlet pipe close to the accommodating cavity; the filter screen is arranged in the accommodating cavity.

In one embodiment, the water tank further comprises a water nozzle installed at one end of the first water outlet pipe close to the second water outlet pipe, the water nozzle is provided with a water through hole communicated with the first water outlet pipe and the second water outlet pipe, and the cross section area of the water through hole is gradually reduced from the first water outlet pipe to the second water outlet pipe.

One or more technical solutions in the embodiments of the present application have at least one of the following technical effects: this application is through can dismantle the connection with the casing with the nozzle. After the tooth flushing device is used, the nozzle can be detached from the shell and stored in the accommodating cavity of the water tank, so that the size of the tooth flushing device can be reduced, and the tooth flushing device is convenient to carry. The sterilizing lamp can sterilize the nozzle contained in the containing cavity, so that the nozzle is not required to be sterilized through external sterilizing equipment, and the convenience of nozzle sterilizing operation is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a tooth irrigator according to an embodiment of the present application;

FIG. 2 is an exploded view of a dental irrigator according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of a dental irrigator according to an embodiment of the present disclosure in use;

FIG. 4 is a schematic cross-sectional view of the tooth irrigator according to the embodiment of the present invention when the nozzle is received in the receiving cavity;

FIG. 5 is a schematic structural diagram of a nozzle provided in an embodiment of the present application;

fig. 6 is a schematic structural view illustrating a connection between a support seat and an elastic strip according to an embodiment of the present disclosure;

fig. 7 is a schematic structural view of a support seat according to an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of an elastic strip provided in an embodiment of the present application;

FIG. 9 is an exploded view of a water tank provided in an embodiment of the present application;

FIG. 10 is a first schematic cross-sectional view of a water tank provided in an embodiment of the present application;

FIG. 11 is a schematic cross-sectional view II of a water tank provided in the embodiments of the present application;

fig. 12 is a schematic structural diagram of a cover plate according to an embodiment of the present application;

FIG. 13 is a first schematic structural diagram of a housing according to an embodiment of the present disclosure;

fig. 14 is a second schematic structural diagram of a housing according to an embodiment of the present application;

fig. 15 is a schematic structural diagram of a lower cover according to an embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

1-a shell; 11-a housing; 110-a second via; 111-a card board; 112-a third via; 113-a convex part; 12-lower cover; 120-clamping hole; 121-heat dissipation holes; 13-a first sealing ring; 14-a control switch; 15-an indicator light; 16-a support seat; 160-via holes; 161-a second card strip; 162-a positioning groove; 163-barrier strip; 164-a receiving groove; 17-a second sealing ring; 18-an elastic strip; 181-arc section; 182-a V-shaped section; 183-Ka convex;

2-a nozzle; 21-a spray pipe; 22-a first card strip; 23-a guide post; 231-card slot; 24-a baffle;

3-a water tank; 30-an accommodating cavity; 31-a drain pipe; 32-water inlet pipe; 33-a first box; 330-a first via; 331-a first housing chamber; 332-a first outlet pipe; 333-support plate; 334-notch; 34-a second box; 341-second containment chamber; 342-a second water outlet pipe; 35-a third sealing ring; 36-a fourth seal ring; 37-a filter screen; 38-water nozzle;

4-cover plate; 41-a substrate; 42-a hook; 43-a recess; 44-a recess; 45-antiskid rubber ring;

5-a power pump; 51-a water inlet; 52-water outlet;

6, controlling the main board; 7-a power supply; 8-germicidal lamp.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 2 to 4, the tooth irrigator provided by the present application will now be described. The tooth flushing device comprises a shell 1, a nozzle 2 detachably connected with the shell 1, a water tank 3 installed in the shell 1, a power pump 5 used for conveying liquid in the water tank 3 to the nozzle 2 to spray out the liquid, a control main board 6 installed in the shell 1 and a power supply 7 electrically connected with the control main board 6. The power pump 5 and the power supply 7 are respectively installed in the shell 1, the water inlet 51 of the power pump 5 is communicated with the water tank 3, the water outlet 52 of the power pump 5 is communicated with the nozzle 2, and the power pump 5 is electrically connected with the control main board 6. The water tank 3 is provided with an accommodating cavity 30 for accommodating the nozzle 2; the tooth flushing device further comprises a sterilizing lamp 8 which is used for irradiating the accommodating cavity 30 to sterilize and disinfect the nozzle 2 in the accommodating cavity 30, and the sterilizing lamp 8 is electrically connected with the control main board 6. This structure is achieved by detachably attaching the nozzle 2 to the housing 1. After the tooth flushing device is used, the nozzle 2 can be detached from the shell 1 and stored in the accommodating cavity 30 of the water tank 3, so that the size of the tooth flushing device can be reduced, and the tooth flushing device is convenient to carry. The nozzle 2 accommodated in the accommodating cavity 30 can be sterilized by the sterilizing lamp 8, so that the nozzle 2 is not required to be sterilized by external sterilizing equipment, and the convenience of sterilizing operation of the nozzle 2 is improved.

In one embodiment, referring to fig. 2, the housing 1 includes a housing 11 and a lower cover 12 detachably connected to the housing 11. The housing 11 and the lower cover 12 enclose a containing space for containing the water tank 3, the power pump 5, the control main board 6 and the power supply 7, so that the storage and the sealing are convenient, and the use safety of the tooth flushing device is improved.

In an embodiment, referring to fig. 14 and 15, a plurality of fastening boards 111 are disposed on the inner circumferential surface of the housing 11 in an annular array, and fastening holes 120 are correspondingly disposed on the lower cover 12 for engaging with the fastening boards 111. In other embodiments, the housing 11 and the lower cover 12 may be connected in other manners, for example, the housing 11 and the lower cover 12 are bonded by glue, so that the sealing performance is good; or the housing 11 and the lower cover 12 are integrally formed, so that the housing 1 has excellent mechanical properties, is convenient to process and manufacture, and has high efficiency, which is not limited herein.

In one embodiment, referring to fig. 3, a first sealing ring 13 is disposed at a connection position between the outer shell 11 and the lower cover 12, so as to improve the connection tightness between the outer shell 11 and the lower cover 12 and improve the waterproof and dustproof performance of the housing 1. The lower cover 12 is provided with a mounting groove for supporting and positioning the first sealing ring 13, so that the first sealing ring 13 is positioned and mounted, and the mounting efficiency and the mounting precision are improved.

In one embodiment, referring to fig. 1, a control switch 14 for controlling the power pump 5 to open and close is installed on the housing 11, and the control switch 14 is electrically connected to the control main board 6, so that the power pump 5 can be controlled, and the electric operation of the tooth irrigator can be realized.

In one embodiment, a light source switch for controlling the on/off of the germicidal lamp 8 is installed on the housing 11, and the light source switch is electrically connected to the control main board 6, so as to control the germicidal lamp 8.

In one embodiment, a charging port for charging the power supply 7 is mounted on the housing 11, and the charging port is electrically connected to the control motherboard 6. The power supply 7 can be charged by an external charging wire, so that the standby time of the tooth flushing device is prolonged.

In one embodiment, referring to fig. 1, an indicator 15 for indicating the working status of the power pump 5 and the germicidal lamp 8 is mounted on the housing 11, and the indicator 15 is electrically connected to the control main board 6. The indicator light 15 can emit lights with different colors to respectively display the working states of the power pump 5 and the sterilizing light 8. For example, when the indicator light 15 is a first color, it indicates that the power pump 5 is in the working state; when the indicator light 15 changes to the second color, the bactericidal lamp 8 is in the working state, and the power pump 5 is in the stop state; when the indicator light 15 changes to the third color, the tooth flusher is in the charging state, and at the same time, the power pump 5 and the sterilizing light 8 are in the stopping state. When the indicator light 15 is not on, the tooth flushing device is in a stop state.

In one embodiment, the power pump 5 and the germicidal lamp 8 can be controlled by the same general control switch, which is electrically connected to the control main board 6. Specifically, in the initial state, the power pump 5 and the germicidal lamp 8 are both in the shutdown state. When the master control switch is pressed, the power pump 5 works (or the bactericidal lamp 8 works), and the indicator lamp 15 lights and emits a first color; continuing to press the master control switch, turning off the power pump 5 (or turning off the sterilizing lamp 8) at the moment, and turning off the indicating lamp 15; the master control switch is continuously pressed, at the moment, the sterilizing lamp 8 works (or the power pump 5 works), and the indicating lamp 15 is lightened and emits a second color; when the master control switch is pressed continuously, the bactericidal lamp 8 is turned off (or the power pump 5 is turned off), and the indicator lamp 15 is turned off.

In an embodiment, referring to fig. 15, a heat dissipation hole 121 is formed in the lower cover 12 at a position corresponding to the control motherboard 6 to dissipate heat of the control motherboard 6. The number and the position of the heat dissipation holes 121 may be adjusted according to actual needs, for example, a plurality of heat dissipation holes 121 are disposed on the housing 11, which is not limited herein.

In one embodiment, referring to fig. 5 and 6, as a specific embodiment of the tooth irrigator provided by the present application, the nozzle 2 comprises a nozzle tube 21 communicating with a water outlet 52 of the power pump 5 and a plurality of first clamping strips 22 mounted on an outer circumferential surface of the nozzle tube 21, wherein the plurality of first clamping strips 22 are arranged at intervals along a circumferential direction of the nozzle tube 21; the support base 16 for supporting the nozzle 2 is installed on the housing 1, a through hole 160 for the nozzle 21 to pass through is formed in the support base 16, and a plurality of second clamping strips 161 for rotationally clamping with the plurality of first clamping strips 22 are arranged on the inner circumferential surface of the through hole 160. With the structure, when the nozzle 21 passes through the through hole 160, the nozzle 21 is rotated to clamp the first clamping strip 22 and the second clamping strip 161, at this time, the nozzle 21 is communicated with the water outlet 52 of the power pump 5, and the nozzle 2 is fixedly connected with the shell 1, so that the detachable connection between the nozzle 2 and the shell 1 is realized. Moreover, the spraying direction of the nozzle 2 can be adjusted by rotating the nozzle 2 on the shell 1, and the cleaning operation of different positions in the oral cavity is realized.

In an embodiment, referring to fig. 3 and 4, the supporting seat 16 and the water tank 3 are connected by aligning a plurality of step portions, and the second sealing ring 17 is disposed on the corresponding step portion, so that the sealing performance between the supporting seat 16 and the water tank 3 can be improved, the liquid in the water tank 3 is prevented from overflowing, and the liquid spraying effect of the nozzle 2 can be improved.

In an embodiment, please refer to fig. 5 and 6, as a specific implementation manner of the tooth-rinsing device provided in the present application, the nozzle 2 further includes a guide post 23 sleeved and fixed on the nozzle 21, the guide post 23 is disposed at an interval with a plurality of first clamping strips 22, the plurality of first clamping strips 22 are disposed at one end of the guide post 23 close to the supporting seat 16, specifically between the guide post 23 and one end of the nozzle 21 close to the supporting seat 16, a plurality of clamping slots 231 are disposed in an annular array on an outer peripheral surface of the guide post 23, and each clamping slot 231 is disposed along an axial direction of the guide post 23; the tooth-rinsing device further comprises an elastic strip 18 arranged on the supporting seat 16, and a clamping protrusion 183 which is used for extending into the corresponding clamping groove 231 and is matched with the clamping groove 231 for positioning is arranged on the elastic strip 18. With the structure, when the nozzle 2 is connected with the housing 1, the clamping protrusion 183 on the elastic strip 18 can extend into the corresponding clamping groove 231, so that the guide post 23 is supported, the nozzle 2 is positioned, and the rotation of the nozzle 2 on the housing 1 can be prevented. Moreover, the locking projections 183 are matched with the corresponding locking grooves 231, so that the rotation angle of the nozzle 2 can be positioned.

In one embodiment, referring to fig. 7 and 8, the elastic strip 18 includes an arc-shaped section 181 and V-shaped sections 182 respectively disposed at two ends of the arc-shaped section 181; the supporting seat 16 is provided with a positioning groove 162 for accommodating the elastic strip 18, two barrier strips 163 are arranged in the positioning groove 162 at intervals, one barrier strip 163 and one end of the positioning groove 162 enclose to form an accommodating groove 164 for accommodating one V-shaped section 182, and the other barrier strip 163 and the other end of the positioning groove 162 enclose to form an accommodating groove 164 for the other V-shaped section 182; the free end of each bar 163 abuts the junction of each V-shaped segment 182 and the arcuate segment 181. With the structure, the two V-shaped sections 182 can limit the deformation amount of the arc-shaped section 181; the positioning groove 162 and the receiving groove 164 can position and fix the elastic strip 18, and prevent the elastic strip 18 from separating from the supporting seat 16.

In some embodiments, the arcuate section 181, the two V-shaped sections 182, and the snap 183 are integrally formed. The integrally formed elastic strip 18 has excellent mechanical properties and is convenient to process and manufacture. In some embodiments, the arc-shaped segment 181, the two V-shaped segments 182 and the locking protrusion 183 may be connected by welding, bonding, etc., and are not limited herein.

In an embodiment, referring to fig. 3 to 5, as a specific implementation of the tooth-rinsing device provided in the present application, the nozzle 2 further includes a baffle 24 installed on an outer circumferential surface of the nozzle tube 21, and the guide post 23 is disposed between the baffle 24 and the plurality of first clamping strips 22; the receiving cavity 30 is provided with a supporting plate 333 for supporting the guide post 23, and the supporting plate 333 is provided with a notch 334 for the guide post 23 to extend into to stop the baffle 24. This structure, when needs place nozzle 2 in holding chamber 30, stretch into holding chamber 30 with the head of nozzle 2, during guide pillar 23 stretched into breach 334 this moment, backup pad 333 and breach 334 can be with baffle 24 backstop, can effectively prevent nozzle 2's rotation, improve the steadiness of nozzle 2 installation. The flap 24 also facilitates rotation of the nozzle 2 by the user. The number of the baffles 24 may be two, which may prevent the nozzle 2 from rotating in two directions, and further improve the stability of the nozzle 2, which is not limited herein.

In some embodiments, the support plate 333 is provided with a groove for the baffle 24 to extend into, so as to position the nozzle 2. In some embodiments, the bottom of the receiving cavity 30 is provided with a groove for the head of the nozzle 2 to extend into, so as to position the nozzle 2, and also cooperate with the baffle 24 and the notch 334 to position the nozzle 2, thereby further improving the stability of the installation of the nozzle 2.

In an embodiment, referring to fig. 2, 9 and 13, as a specific implementation of the tooth rinsing device provided in the present application, the water tank 3 is provided with a first through hole 330 for the nozzle 2 to extend into the accommodating cavity 30, and the housing 1 is provided with a second through hole 110 and a cover plate 4 covering the second through hole 110 at a position corresponding to the first through hole 330. In this structure, the first through hole 330 is communicated with the accommodating chamber 30, and when the liquid in the accommodating chamber 30 is insufficient, the cover plate 4 can be opened to supplement the liquid to the accommodating chamber 30 through the second through hole 110 and the first through hole 330. The cover plate 4 is opened, and the nozzle 2 is placed in the accommodating cavity 30 through the second through hole 110 and the first through hole 330 for storage, so that the volume of the tooth flushing device can be reduced, and the tooth flushing device is convenient to carry. The cover plate 4 can seal the first through hole 330 and the second through hole 110 to prevent the liquid from overflowing from the accommodating cavity 30 or the nozzle 2 from sliding out of the accommodating cavity 30.

In an embodiment, referring to fig. 3, 12 and 13, as a specific implementation of the tooth rinsing device provided in the present application, a third through hole 112 is formed on the housing 1, and the third through hole 112 and the second through hole 110 are disposed at an interval; the cover plate 4 includes a substrate 41 and a hook 42 passing through the third through hole 112 and engaging with the third through hole 112, and the hook 42 is mounted on the substrate 41. In the structure, the hook 42 is matched and clamped with the third through hole 112, so that the cover plate 4 can be connected with the shell 1; moreover, the substrate 41 can rotate around the hook 42, so that the cover plate 4 can be opened and closed by rotation, and the operation is convenient and fast.

In one embodiment, referring to fig. 12 and 13, a concave portion 43 is disposed on a side surface of the substrate 41 facing the housing 1, and the concave portion 43 is spaced from the hook 42; the housing 11 is provided with a projection 113 into which the recess 43 is inserted. When the protrusion 113 extends into the recess 43, it indicates that the cover 4 is closed well, and the position of the cover 4 can be located, so as to prevent the cover 4 from rotating.

In one embodiment, referring to fig. 1, a recess 44 is formed on a side of the substrate 41 facing away from the housing 1 to facilitate the user to open the cover 4.

In one embodiment, referring to fig. 3, an anti-slip rubber ring 45 is disposed between the hook 42 and the inner sidewall of the third through hole 112, so as to improve the connection stability between the cover plate 4 and the housing 1.

In some embodiments, the cover plate 4 comprises a panel and a connecting strip for connecting the panel and the housing 1, and the side of the base plate 41 facing the housing 1 is provided with a piston for extending into the second through hole 110, so as to seal the second through hole 110 and the first through hole 330. In some embodiments, the cover plate 4 includes a panel with one end hinged to the housing 1 and a buckle mounted at the other end of the panel, and the housing 1 is correspondingly provided with a groove engaged with the buckle, so that the cover plate 4 can be opened and closed by rotation. In other embodiments, a torsion spring is sleeved on the hinge shaft between the panel and the housing 1, so that the cover plate 4 can be automatically closed.

In one embodiment, referring to fig. 10 and 11, as a specific implementation of the tooth irrigator provided by the present application, a water discharge pipe 31 detachably connected to the nozzle 2 and a water inlet pipe 32 communicating the water inlet 51 of the power pump 5 with the accommodating chamber 30 are provided in the housing 1, and the water discharge pipe 31 is connected to the water outlet 52 of the power pump 5. Wherein, the water outlet pipe 31 and the water inlet pipe 32 can be respectively arranged on the water tank 3; or the drain pipe 31 and the inlet pipe 32 may be respectively provided on the inner side walls of the housing 1, which is not limited herein. This structure facilitates quick connection between the water tank 3, the power pump 5, and the nozzle 2 by directly providing the water discharge pipe 31 and the water inlet pipe 32 in the water tank 3. In some embodiments, the water pipe may be connected between the water outlet 52 of the power pump 5 and the nozzle 2, and the water inlet 51 of the power pump 5 and the water tank 3, which are not limited herein.

In one embodiment, referring to fig. 3, 10 and 11, as one embodiment of the tooth-rinsing device provided by the present application, the water tank 3 includes a first tank 33 installed in the housing 1 and a second tank 34 connected to the first tank 33; the first box 33 is provided with a first accommodating chamber 331, the second box 34 is provided with a second accommodating chamber 341 communicated with the first accommodating chamber 331, and the first accommodating chamber 331 and the second accommodating chamber 341 are combined to form an accommodating cavity 30; the water outlet pipe 31 comprises a first water outlet pipe 332 arranged on the first box body 33 and a second water outlet pipe 342 arranged on the second box body 34, one end of the first water outlet pipe 332 is communicated with the water outlet 52 of the power pump 5, the other end of the first water outlet pipe 332 is communicated with one end of the second water outlet pipe 342, and the other end of the second water outlet pipe 342 is detachably connected with the nozzle 2; the water inlet pipe 32 communicates with the first receiving chamber 331. This structure, through set up water tank 3 to first box 33 and with the second box 34 of first box 33 intercommunication, be convenient for to the disassembling and the washing of water tank 3, prevent the jam and the bacterial reproduction of water tank 3.

In an embodiment, referring to fig. 3, 9 and 10, as a specific implementation of the tooth flushing device provided by the present application, the water tank 3 further includes a water nozzle 38 installed at one end of the first water outlet pipe 332 close to the second water outlet pipe 342, the water nozzle 38 is provided with a water through hole communicating the first water outlet pipe 332 and the second water outlet pipe 342, and a cross-sectional area of the water through hole is gradually reduced from the first water outlet pipe 332 to the second water outlet pipe 342. With the structure, the liquid in the nozzle 2 can be effectively prevented from flowing back to the power pump 5 through the water nozzle 38, and the protection effect on the power pump 5 is achieved.

In some embodiments, referring to fig. 10, a third sealing ring 35 is filled at a connection position between the first casing 33 and the second casing 34, so as to improve the sealing performance between the first casing 33 and the second casing 34. A first step part is arranged on the outer peripheral surface of the first water outlet pipe 332, and a second step part aligned with the first step part is correspondingly arranged on the inner peripheral surface of the second water outlet pipe 342, so that the quick alignment connection between the first water outlet pipe 332 and the second water outlet pipe 342 can be realized; the fourth sealing ring 36 is arranged between the first step part and the second step part, so that the sealing performance between the first water outlet pipe 332 and the second water outlet pipe 342 can be improved.

In one embodiment, please refer to fig. 11, as an embodiment of the tooth-rinsing device provided in the present application, the tooth-rinsing device further includes a filter screen 37 covering an end of the water inlet pipe 32 close to the accommodating chamber 30; the filter screen 37 is disposed in the receiving chamber 30. With the structure, the filter screen 37 can prevent large-sized particles from entering the power pump 5, and damage to the power pump 5 is avoided. In some embodiments, the bottom surface of the accommodating cavity 30 is provided with support bars, two pairs of side surfaces of the two support bars are respectively provided with a guide groove, and two ends of the filter screen 37 respectively extend into the guide grooves, so that the filter screen 37 is fixed, and the filter screen 37 is convenient to disassemble, assemble and maintain. In other embodiments, the filter screen 37 may be directly fixed to the bottom surface of the accommodating cavity 30 by gluing, which is not limited herein.

In one embodiment, as a specific embodiment of the tooth flusher provided by the present application, the water tank 3 is made of a transparent material, the control main board 6 is disposed between the inner circumferential surface of the housing 1 and the outer circumferential surface of the water tank 3, and the germicidal lamp 8 is mounted on the control main board 6. With the structure, the light emitted by the bactericidal lamp 8 can penetrate through the water tank 3, and the nozzle 2 and the liquid arranged in the accommodating cavity 30 can be sterilized and disinfected simultaneously. The germicidal lamp 8 may be an ultraviolet lamp, which is not limited herein.

In some embodiments, the water tank 3 may also be made of an opaque material, and a sealed space may be enclosed by glass in the accommodating chamber 30, and the germicidal lamp 8 may be disposed in the sealed space. In some embodiments, a plurality of germicidal lamps 8 may be disposed in the housing 1 to irradiate the water tank 3 in multiple directions, thereby improving the germicidal effect. The number, installation position, power and the like of the germicidal lamps 8 can be adjusted according to actual needs, and are not limited herein.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.