CN112386352B - Tooth flushing device - Google Patents

Abstract

The invention relates to a tooth rinsing device, comprising: the host comprises a shell, wherein a first through hole is formed in the shell; the knob is provided with a first buckling part, a second buckling part and a second through hole penetrating through the knob, and is connected in the first through hole through the first buckling part to rotate; the nozzle is provided with a connecting part which is detachably arranged in the second through hole, the connecting part is provided with a clamping groove, and the clamping groove and the second clamping part are matched to fix the nozzle on the knob; the button, install on the casing, contact with second buckle portion, the action through the button makes second buckle portion open and shut and warp and break away from the draw-in groove, improve the mounting structure of nozzle, combine together through knob and button, the nozzle is fixed in on the knob, integrated into one piece's knob is fixed on the host computer casing through first block portion, thereby it fixes the nozzle on the host computer casing to get into the draw-in groove of nozzle through second buckle portion, the rotation of knob can realize nozzle angle modulation, rotatory knob, but the angle of adjustable nozzle to arbitrary needs.

Description

Tooth flushing device

Technical Field

The invention belongs to the technical field of oral care appliances, and relates to a tooth rinsing device.

Background

The tooth flushing device generally comprises a nozzle, wherein the nozzle is detachably arranged on a main machine so as to be replaced or accommodated, the main machine extracts water from a water tank and sprays the water out of the nozzle after applying certain pressure, and teeth and gum are flushed to achieve a cleaning effect. The nozzle mounting/releasing structure of the existing tooth flushing device has multiple choices, most parts are more, the structure is scattered, the process is complex, the assembly is inconvenient, the nozzle is inconvenient to detach and mount when a user uses the tooth flushing device, and the user experience is poor.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the tooth flushing device, the nozzle of the tooth flushing device is smooth and comfortable to pull out, detach, insert and install, and the nozzle is convenient to rotate.

In order to achieve the above purpose, the present invention is realized by the following technical scheme.

The technical scheme of the invention is to provide a tooth flushing device, which comprises:

the host comprises a shell, wherein a first through hole is formed in the shell;

the knob is provided with a first buckling part, a second buckling part and a second through hole penetrating through the knob, and is connected in the first through hole through the first buckling part to rotate;

the nozzle is provided with a connecting part which is detachably arranged in the second through hole, the connecting part is provided with a clamping groove, and the clamping groove is matched with the second clamping part to fix the nozzle on the knob;

and the button is arranged on the shell, is contacted with the second buckling part and enables the second buckling part to be opened, closed, deformed and separated from the clamping groove through the action of the button.

The invention has the technical effects that the mounting structure of the nozzle is improved, the knob is combined with the button, the nozzle is fixed on the knob, the integrally formed knob is fixed on the main machine shell through the first clamping part and enters the clamping groove of the nozzle through the second clamping part so as to fix the nozzle on the main machine shell, the rotation of the knob can realize the angle adjustment of the nozzle, and the nozzle can be adjusted to any required angle by rotating the knob.

In an example of the technical solution, the button includes a power end, a rotating shaft, a connecting arm, and a resistance end, the power end and the resistance end perform lever motion with the rotating shaft as a fulcrum, the power end is exposed outside the housing, the resistance end is provided with a first inclined surface, and the second buckling portion is provided with a second inclined surface opposite to the first inclined surface.

Can realize the dismantlement of nozzle, the power end of pushing down the button, the resistance end rebound of button to outwards open the second clamping part and leave the draw-in groove, the nozzle of unclamping directly takes off can. The resistance end is provided with the first inclined surface, so that the second buckling part can be conveniently inserted; the second buckling part is provided with a second inclined plane, so that the resistance end can be conveniently inserted.

Furthermore, the resistance end of the button is annular, the resistance end and the second through hole are coaxially arranged, and the first inclined plane is located on the outer side face of the resistance end.

Furthermore, the power end, the rotating shaft, the connecting arm and the resistance end are integrally formed.

In one example of this solution, the housing is provided with a button hole, and the power end of the button is exposed out of the housing of the main body through the button hole. The user may unlock the nozzle by applying pressure to the button through a power end exposed outside the housing.

Furthermore, the inner side of the power end is abutted against a spring, and the spring enables the power end to return to the original position after the stress disappears.

In an example of this technical scheme, the knob still includes the knob body, and first buckle portion and second buckle portion are a plurality ofly, are the interval setting on the circumference, and first buckle portion and second buckle portion all are connected with the knob body.

Furthermore, the knob body, the first buckling part and the second buckling part are integrally formed

Furthermore, a plurality of raised ribs are arranged on the outer surface of the knob body. The surface of the knob is provided with a plurality of raised ribs, which is convenient for a user to rotate the knob.

In an example of the technical solution, a third inclined surface for facilitating the insertion of the nozzle is provided on the second buckling part. The second buckling part is provided with a third inclined plane, so that the nozzle can be conveniently inserted.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and the drawings in the following description are only directed to some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a front view of a dental irrigator according to an embodiment of the present application.

Figure 2 is a cross-sectional view along A-A of the dental irrigator of the embodiment of the present application.

Figure 3 is a cross-sectional view along B-B of the dental irrigator of the embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 2.

Fig. 5 is an enlarged view of a portion B in fig. 3.

Figure 6 is a partially exploded view of the dental irrigator of an embodiment of the present application.

Figure 7 is a view of a knob of a dental irrigator embodiment of the present application.

Figure 8 is a view of a knob of a dental irrigator embodiment of the present application.

Figure 9 is a front view of a button of the dental irrigator of an embodiment of the present application.

Figure 10 is a view of a button of the dental irrigator of an embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, technical solutions between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the scope of the disclosure of the present invention.

In the following description, suffixes such as "module", "part", "assembly", or "unit" are used only for convenience of description of the present invention, and have no specific meaning by themselves, and thus may be used mixedly.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

The present embodiment is a tooth rinsing device, which comprises amain body 100, which is installed on awater tank 300, and anozzle 200 detachably installed on the main body. The main machine mentioned here is a machine body part except the nozzle and the water tank, and includes a housing, a first cavity is formed inside the housing, and a core assembly disposed in the first cavity, the core assembly generally includes acontrol circuit board 111, apower supply 112, adriving motor 113, awater pump 114, and acontrol switch 101 is further disposed on the main machine. The water tank may be a separate component or may be of one-piece design.

When thenozzle 200 is installed on the host, the nozzle is connected with the water pump through the flow channel, after the driving motor is started, the driving motor operates according to a preset mode according to a control program embedded in a chip on a control circuit board, the motor drives a piston and a piston rod of the water pump to reciprocate through an output shaft, so that water in the water tank is pumped up and is sprayed out through the nozzle, the sprayed water flow is generally pulse water flow, and the working principle of the host is the prior art, so that the detailed description is omitted in the invention.

Water tank 300 can set up in the below or the side of host computer, and for convenient carrying, the water tank also can be the swing joint with the host computer, and the host computer can reciprocate for the water tank, when not using the tooth ware of dashing, accomodate the most of host computer in the water tank, reduces and dashes the holistic volume of tooth ware, when using the tooth ware of dashing, the most of host computer exposes the water tank, and the water tank is used for adorning water this moment.

Thehousing 120 of the host comprises atop cover 121, the top cover is provided with a first throughhole 122, aknob 130 is installed in the first throughhole 122, theknob 130 is provided with a firstbuckling part 131, a secondbuckling part 132 and a second throughhole 133 penetrating through a knob body, the knob is connected in the first through hole through the firstbuckling part 131 to rotate, and the second throughhole 133 and the first throughhole 122 are coaxially arranged.

The firstbuckling parts 130 of the knob are two, the second buckling parts are two, the first buckling parts, the second buckling parts and the knob body are integrally formed, the first buckling parts and the second buckling parts are connected to the lower end of the knob body, the firstbuckling parts 131 and the secondbuckling parts 132 are uniformly arranged on the circumference of the second throughhole 133 in a crossed mode at intervals, thefirst buckles 131a of the firstbuckling parts 131 are arranged on the outer side face of the first buckling parts, and thesecond buckles 132a of the secondbuckling parts 132 are arranged on the inner side face of the second buckling parts. The number of the first buckling parts and the second buckling parts can be three, four or more.

The surface of theknob 130 is provided with a plurality of raisedribs 134 which facilitate the rotation of the knob by the user.

Thenozzle 200 is detachably installed in the second throughhole 133 of the knob, the lower end of the nozzle is provided with a connectingpart 210, the connecting part is provided with a clampinggroove 211, and after the connecting part of the nozzle is inserted into the second through hole, the second buckles of the two second buckling parts enter the clampinggroove 211 of the nozzle to fix the nozzle on theknob 130, so that the purpose of fixing the nozzle on themain machine 100 is achieved.

The side wall of the second throughhole 133 of the knob is provided with a first limitingsurface 135, and after the nozzle is inserted into the knob, the first limiting surface is matched with a second limiting surface on the connectingpart 210 of the nozzle to limit the rotation of the nozzle on the knob, wherein the second limiting surface is not shown in the figure. When the knob is rotated, theknob 130 may drive the nozzle to rotate together to adjust the angle of the nozzle, and the nozzle may be adjusted to any desired angle by rotating the knob.

The tooth flushing device further comprises abutton 140, the button is installed on theshell 120, the button comprises apower end 141, arotating shaft 142, a connectingarm 143 and aresistance end 144, the power end, the rotating shaft, the connecting arm and the resistance end are integrally formed, the button is installed inside the shell through the rotating shaft, the power end and the resistance end are made to perform lever motion by taking the rotating shaft as a fulcrum, the power end is exposed out of the shell through abutton hole 123 of thetop cover 121 and is pressed by a user, theresistance end 144 is provided with a firstinclined surface 144a, and the lower end of the second buckling part is provided with a secondinclined surface 132b opposite to the firstinclined surface 144 a.

Theresistance end 144 of thebutton 140 is annular, the resistance end is coaxially disposed with the second throughhole 133, and the secondinclined surface 144a is located on the outer side surface of the resistance end. Through the second inclined plane of the annular structure, when the knob and the nozzle rotate to any angle, the first inclined plane and the second inclined plane are always oppositely arranged.

The power end of the button is pressed downwards, the resistance end of the button moves upwards, the first inclined surface extrudes the second inclined surface to generate relative sliding, so that the second buckling part is opened, the second buckle leaves the nozzle clamping groove, and the nozzle for releasing locking limitation is pulled out upwards. After the power end of the button is stressed and disappears, the resistance end is extruded to move downwards and reset due to the deformation and resilience of the second buckling part.

In order to reset more quickly and increase the pressing experience of the button, aspring 150 can be further arranged between the power end and the shell, specifically, astep surface 141a is arranged on the outer wall of thepower end 141, adownward protrusion 125 is arranged on the shell in an integrated mode and is abutted to the step surface of the power end downwards, a connectingcolumn 124 is arranged on the shell, a sleeve of the spring is arranged on the connecting column, the other end of the spring is in contact with the inner wall of the power end, a certain gap is formed between the inner wall of the power end and the top of the connecting column in a natural state, when the power end is pressed downwards, the spring is compressed, when pressure is not applied to the power end any more, the button is restored to an initial state by the elasticity of the spring.

When the nozzle needs to be installed, the nozzle moves downwards after passing through the second through hole, a thirdinclined surface 132c which is convenient for the nozzle to insert is arranged on the second buckling part, a slidingslope surface 212 is arranged at the edge of the bottom of the nozzle, the second buckling part is opened by the connecting part of the nozzle, and the nozzle continues to move downwards until the second buckle of the second buckling part enters the clamping groove of the nozzle. When the second buckling part is contacted with the connecting part of the nozzle, the second buckling part is in a compressed state, and when the second buckling part is contacted with the clamping groove, the second buckling part is restored to a natural state by means of self elasticity.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims (9)

1. A dental irrigator, comprising:

the host comprises a shell, wherein a first through hole is formed in the shell;

the knob is provided with a first buckling part, a second buckling part and a second through hole penetrating through the knob, and is connected in the first through hole through the first buckling part to rotate; the first buckling part and the second buckling part are connected to the lower end of the knob body;

the nozzle is provided with a connecting part which is detachably arranged in the second through hole, the connecting part is provided with a clamping groove, and the clamping groove is matched with the second clamping part to fix the nozzle on the knob; the side wall of the second through hole of the knob is provided with a first limiting surface which is matched with a second limiting surface on the connecting part of the nozzle;

the button is arranged on the shell, is contacted with the second buckling part and enables the second buckling part to be opened, closed, deformed and separated from the clamping groove through the action of the button; the button comprises a power end, a rotating shaft, a connecting arm and a resistance end, wherein the power end and the resistance end do lever motion by taking the rotating shaft as a fulcrum, the power end is exposed out of the shell, the resistance end is provided with a first inclined surface, and the second buckling part is provided with a second inclined surface opposite to the first inclined surface; the power end of the button is pressed downwards, the resistance end of the button moves upwards, the first inclined plane extrudes the second inclined plane to generate relative sliding, and therefore the second buckling part is opened, and the second buckle leaves the nozzle clamping groove.

2. The dental irrigator of claim 1 wherein the resistance end of the button is annular and is coaxial with the second through hole, the first ramp being located on an outer side of the resistance end.

3. The dental irrigator of claim 1 wherein the power end, shaft, arm and resistance end are integrally formed.

4. The dental irrigator of claim 1 wherein the housing defines a button aperture through which the power end of the button is exposed from the housing of the body.

5. The dental irrigator of claim 1 wherein the power end is inwardly biased against a spring which returns the power end to its original position after the force is removed.

6. The tooth punching device of claim 1, wherein the knob further comprises a knob body, the first and second locking portions are arranged at intervals on the circumference, and the first and second locking portions are connected to the knob body.

7. The dental irrigator of claim 6 wherein the knob body, the first catch and the second catch are integrally formed.

8. The dental irrigator of claim 6 wherein the knob body has a plurality of raised ribs on an outer surface thereof.

9. The dental irrigator of claim 1 wherein the second latch portion has a third ramp surface for facilitating insertion of the nozzle.

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