CN112120817A

CN112120817A - Tooth flushing device

Info

Publication number: CN112120817A
Application number: CN202011041036.6A
Authority: CN
Inventors: 李冬保; 李保正
Original assignee: Jiangxi Ruishengte Technology Co ltd
Current assignee: Jiangxi Ruishengte Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2020-12-25

Abstract

The invention relates to a tooth flushing device, which comprises a host machine, a water tank and a nozzle, and is characterized in that a connector clamped with the nozzle is arranged at the position of a water outlet of the host machine, a connecting part adaptive to the connector is arranged at the bottom of the nozzle, a clamp spring is arranged on the connecting part, a clamping groove adaptive to the clamp spring is arranged on the connecting part, and the host machine is also provided with a button for opening the clamp spring to enable the clamp spring to leave the clamping groove so as to facilitate the nozzle to be taken out of the; the clamp spring comprises a fixing part and a deformation part, the fixing part and the connector are relatively fixed, the deformation part is arranged close to the connecting part of the nozzle and can be opened, closed and deformed by taking the fixing part as a fulcrum, and the deformation part comprises two clamping parts which are relatively symmetrically arranged and an annular part which connects the clamping parts to the fixing part; the clamping part is of a V-shaped structure, a U-shaped structure, a C-shaped structure or a snake-shaped structure. The nozzle is smoothly and comfortably pulled out and inserted by improving the clamp spring structure.

Description

Tooth flushing device

Technical Field

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

Background

With the improvement of living standard, people pay more and more attention to oral hygiene, especially pay extra attention to the cleaning of teeth in the oral cavity, and tooth rinsers are developed under the demand.

The existing tooth flushing device is provided with a nozzle on a main machine, when the nozzle is arranged on the main machine, the nozzle is connected with a water pump on the main machine through a flow passage, after a driving motor is started, according to a control program of a control circuit, the motor operates in a preset mode, the motor drives a piston rod of the water pump to do reciprocating motion through an output shaft, so that water in a water tank is pumped up and discharged through the nozzle, the sprayed water flow is generally pulse water flow,

the nozzle that uses in the tooth flusher is the consumables of tooth flusher, needs often to change, perhaps takes off the nozzle to accomodate for the separation of the convenient portable needs, so that the nozzle of most tooth flushers and the host computer of tooth flusher adopt detachable connected mode. The existing nozzle mounting/releasing device of the tooth flushing device has multiple choices, most parts are more, the structure is scattered, the process is complex, and the assembly is inconvenient.

The patent specification of publication No. CN109223221A discloses a towards tooth ware, the delivery port position at fuselage top be provided with the connector of nozzle joint, it is corresponding, the bottom of nozzle be provided with the connecting portion of connector adaptation, the connector is including being used for the joint the jump ring of nozzle and expand the jump ring is convenient the hasp that the nozzle was taken out, connecting portion including be used for with the spliced pole of jump ring joint and being located the spud pile of spliced pole side, be provided with on the spliced pole with the draw-in groove of jump ring adaptation, the edge of the free end of spliced pole is provided with conveniently inserts domatic in the jump ring. When the snap spring is used for pressing the two upper clamping columns on the lock catch expansion snap spring, the moving stroke of outward expansion of the clamping columns is small, the snap spring does not completely leave the clamping groove, the nozzle cannot be pulled out, and the snap spring is not sensitive enough.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a smooth and comfortable tooth irrigator with a nozzle.

The invention is realized by the following technical scheme.

The technical scheme of the invention provides a tooth flushing device, which comprises a host machine, a water tank and a nozzle, and is characterized in that a connector clamped with the nozzle is arranged at the position of a water outlet of the host machine, a connecting part matched with the connector is arranged at the bottom of the nozzle, a clamp spring is arranged on the connecting head, a clamping groove matched with the clamp spring is arranged on the connecting part, and the host machine is also provided with a button for opening the clamp spring to enable the clamp spring to leave the clamping groove so as to facilitate the nozzle to be taken out of the;

the clamp spring comprises a fixing part and a deformation part, the fixing part and the connector are relatively fixed, the deformation part is arranged close to the connecting part of the nozzle and can be opened, closed and deformed by taking the fixing part as a fulcrum, and the deformation part comprises two clamping parts which are relatively symmetrically arranged and an annular part which connects the clamping parts to the fixing part; the clamping part is of a V-shaped structure, a U-shaped structure, a C-shaped structure or a snake-shaped structure.

According to the technical scheme, the snap spring structure is improved, the fixed part for central positioning is added, the snap spring deformation part is conveniently opened when the button is stressed, and meanwhile, the snap spring can be prevented from generating offset rotation when the button is stressed, so that the nozzle can be smoothly taken out.

In one example of this solution, the deformation portion of the snap spring is integrally formed with the fixing portion.

In an example of the technical scheme, the clamp spring is made of a metal material.

In one example of the technical scheme, the clamping part is in a V-shaped structure, and the included angle of the V-shaped structure is 60-120 degrees, and the best included angle is 90 degrees.

In an example of the technical scheme, the button is in contact with the clamp spring, the clamp spring is opened and closed to deform under the moving and extrusion of the button, a limiting groove formed by downward concave is formed in the contact end face of the button and the clamp spring, and the part, in contact with the button, of the clamping portion of the clamp spring is placed in the limiting groove.

Furthermore, a convex part is arranged on the button and is used for being matched with a corresponding concave part on the host machine so as to limit the moving direction and the moving amount of the button and play a limiting role. Through the structure of improving the button, be provided with spacing convex part about on the button, the button of being convenient for and jump ring interact promotes more sensitively.

In an example of this technical scheme, the host computer includes water outlet end cover and water pump, and water outlet end cover one end is connected with the water pump, and the other end is connected with the connector, and the jump ring is installed on the connector, is equipped with the mounting groove that is used for fixed jump ring fixed part and the spacing groove that is used for restricting jump ring deformation portion on the connector.

Through the structure of improving the connector, be equipped with the mounting groove that is used for fixed jump ring fixed part and the spacing groove that is used for restricting jump ring deformation portion, avoid moving about from top to bottom because of the jump ring and cause can not open the block portion and take out the nozzle.

Furthermore, the connector and the water outlet end cover are integrally formed.

In an example of this technical scheme, the draw-in groove has the tank bottom, and the tank bottom of block portion and draw-in groove contacts, and the contained angle of block portion behind the block nozzle equals the contained angle under its natural state for be in natural state on the one hand when the jump ring is in the draw-in groove, the tank bottom contact of on the other hand block portion and draw-in groove avoids the draw-in groove of nozzle and jump ring cooperation pine or tension, improves the nozzle and inserts, the smooth and easy nature of extraction and the fixed steadiness of nozzle.

In an example of this technical scheme, the edge of nozzle bottom terminal surface is equipped with and conveniently inserts first inclined plane in the jump ring, is equipped with the second inclined plane on the connector, and the external diameter of nozzle bottom terminal surface is less than or equal to the tank bottom external diameter of draw-in groove, makes the block portion of jump ring under the nozzle bottom terminal surface gets into natural state easily, improves the male smooth and easy nature of nozzle.

The inclined plane at the bottom of the nozzle can be enlarged, the contact part of the connector and the nozzle is set to be the inclined plane, the nozzle can conveniently enter the connector, and the clamping groove of the clamping spring clamping part which is convenient to enter the nozzle can conveniently be formed.

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 perspective view of a dental irrigator according to an embodiment of the present application.

FIG. 2 is a front view of a dental irrigator according to an embodiment of the present application.

Figure 3 is a cross-sectional view A-A of the dental irrigator of figure 2.

Fig. 4 is a structural view of a circlip in the embodiment of the present application.

Fig. 5 is an exploded view of the internal structure of the main body of the tooth irrigator according to the embodiment of the present application.

Fig. 6 is a sectional view of the internal structure of the main body of the tooth irrigator according to the embodiment of the application.

FIG. 7 is an enlarged view of portion A in FIG. 6

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.

As shown in fig. 1 and 2, the present embodiment is a tooth rinsing device, which includes a main body 10, the main body is installed on a water tank 30, a nozzle 20 is detachably installed on the main body, the main body is a body part except the nozzle and the water tank, and includes a housing 18, a first cavity is formed inside the housing, and a core assembly is disposed in the first cavity, the core assembly includes a control circuit board, a power supply, a driving motor, a water pump, and a control switch is further disposed on the main body. The water tank may be a separate component or may be of one-piece design. When the nozzle is installed on the host machine, the nozzle is connected with the water pump through the flow channel, after the driving motor is started, the motor operates in a preset mode according to a control program of the control circuit, the motor drives the piston rod of the water pump to reciprocate through the output shaft, so that water in the water tank is pumped up and discharged through the nozzle, the sprayed water flow is generally pulse water flow, and the part is the prior art, so that detailed description is not provided in the invention.

The water tank can set up in the below or the side of host computer, and in order to carry, the water tank also can be portable with the host computer for portable connection, and the host computer water tank relatively reciprocates, when not using the tooth ware of dashing, accomodates 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.

The delivery port position of host computer is equipped with the connector 11 with the nozzle joint, the connector sets up the inboard at the shell, be equipped with the delivery port on the shell, in order to supply nozzle 20 to pass and to insert on connector 11, the bottom of nozzle 20 is equipped with the connecting portion 21 with the connector adaptation, the nozzle is located the top outer wall of connecting portion and still is equipped with spacing bulge loop 22, be equipped with the draw-in groove 211 with the jump ring adaptation at connecting portion, the draw-in groove is inwards recessed by the outer wall of connecting portion and forms, be the annular form, the edge at the bottom terminal surface of nozzle 20 is equipped with the first inclined plane 212 that conveniently inserts.

The main machine further comprises a water outlet end cover 13 and a water pump 14, one end of the water outlet end cover is connected with the water pump, the other end of the water outlet end cover is connected with the connector 11, the connector and the water outlet end cover 13 can also be of an integrally formed structure, the water pump comprises a pump cylinder 141 and a piston 142, the piston is driven by a driving motor to reciprocate in the pump cylinder, water in the water tank is pumped into the water outlet end cover, and the water is finally discharged through the nozzle 20 after passing through the connector.

Install the jump ring 15 of joint nozzle on the connector 11, jump ring 15 includes fixed part 151 and deformation portion, the fixed part is to keeping away from the part protrusion of nozzle, fixed part 151 and connector 11 relatively fixed, the deformation portion is close to the nozzle setting and uses the fixed part to open and shut as the fulcrum and warp, the host computer still is equipped with and is used for opening jump ring messenger jump ring and leaves the button 12 that the draw-in groove took out from the connector in order to make things convenient for the nozzle, the button contacts with the jump ring, along with the action of button, the jump ring opens and shuts and warp. The deformation portion comprises two clamping portions 153 which are symmetrically arranged relatively and an annular portion 152 which is used for connecting the clamping portions to the fixing portion, a limiting groove 121 which is formed by downward concave is formed in the button and in contact with the clamp spring, the limiting groove is in contact with the clamping portions and accommodates the clamping portions, the two clamping portions are enabled to be kept on the same plane to move symmetrically all the time when the button is opened and closed, force applied to the button can be effectively converted into force for enabling the clamp spring to be opened and closed to deform, a convex portion 122 is arranged on the button, and the convex portion is used for being matched with the corresponding concave portion on the host machine to limit the moving direction and moving amount of the button and plays. Through the structure of improving the button, be provided with spacing convex part about on the button, the button of being convenient for and jump ring interact promotes more sensitively.

The connector 11 is provided with an installation groove 111 for fixing the clamp spring fixing portion 151 and a limiting groove 112 for limiting the clamp spring deformation portion. When the nozzle needs to be replaced, the button is pressed, the engaging portion 153 moves in a direction away from the engaging groove 211 of the nozzle, and the engaging portion is separated from the engaging groove, so that the nozzle can be taken out. Be equipped with second inclined plane 113 on the connector, the nozzle of being convenient for gets into the inside of connector, and the extrusion of nozzle inclined plane opens the block portion of jump ring to both sides, and the jump ring block portion of being convenient for gets into the draw-in groove of nozzle, then the jump ring leans on self elastic recovery original state to install the nozzle on the connector.

The deformation part and the fixing part of the clamp spring 15 are integrally formed, and the process is simple. The clamp spring can be made of metal or other elastic materials. The shape of the clamping part is a V-shaped structure, a U-shaped structure, a C-shaped structure or a snake-shaped structure. In this embodiment, the engaging portion has a V-shaped structure, and the included angle a of the engaging portion is 60 to 120 degrees, preferably 90 degrees.

The clamping groove is provided with a groove bottom 211a, the clamping part is in contact with the groove bottom of the clamping groove, the included angle of the clamping part after the clamping nozzle is clamped is equal to the included angle of the clamping part in the natural state, and the clamping part cannot deform due to contact and matching with the groove bottom. Make the jump ring be in natural state on the one hand when being in the draw-in groove, on the other hand block portion contacts with the tank bottom of draw-in groove, avoids the draw-in groove of nozzle and the jump ring cooperation loose or tension, improves the smooth and easy nature that the nozzle inserted, extracted and the fixed steadiness of nozzle.

As shown in fig. 7, the outer diameter C of the bottom end surface of the nozzle is smaller than or equal to the outer diameter B of the bottom of the groove, so that the bottom end surface of the nozzle easily enters the clamping portion of the snap spring in a natural state, and the smoothness of nozzle insertion is improved.

The host shell is provided with a button hole matched with the button 12, the button passes through the button hole, one end of the button is in contact with the clamp spring in the inner cavity of the shell, and the other end of the button is exposed out of the shell, so that the button is convenient to press.

In order to facilitate carrying and ensure that the used nozzle can be in a sanitary environment, the main machine 10 is further provided with a nozzle accommodating part 17, and the accommodating part is provided with a dust cover.

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

1. A tooth flushing device comprises a main machine, a water tank and a nozzle, and is characterized in that a connector clamped with the nozzle is arranged at a water outlet of the main machine, a connecting part matched with the connector is arranged at the bottom of the nozzle, a clamp spring is mounted on the connecting head, a clamping groove matched with the clamp spring is formed in the connecting part, and a button used for opening the clamp spring to enable the clamp spring to leave the clamping groove so as to facilitate the nozzle to be taken out of the connector is further arranged on the main machine;

2. The dental irrigator of claim 1 wherein the deformable portion of the circlip is integrally formed with the fixed portion.

3. The dental irrigator of claim 1 wherein the clamp spring is made of metal.

4. The tooth flushing device according to the claim 1, characterized in that the clamping part is a V-shaped structure, and the included angle of the V-shaped structure is 60-120 degrees.

5. The tooth punching device of claim 1, wherein the button is in contact with a snap spring, the snap spring is deformed by opening and closing under the moving and pressing of the button, a limiting groove formed by being recessed downwards is formed on the contact end face of the button and the snap spring, and a part of the snap spring, which is in contact with the button, is placed in the limiting groove.

6. The dental irrigator of claim 1 or claim 5 wherein the button is provided with a projection for mating with a corresponding recess on the main body to limit movement of the button.

7. The tooth-rinsing device as claimed in claim 1, wherein the main body comprises a water outlet cover and a water pump, one end of the water outlet cover is connected with the water pump, the other end of the water outlet cover is connected with the connector, the clamp spring is mounted on the connector, and the connector is provided with a mounting groove for fixing the fixing portion of the clamp spring and a limiting groove for limiting the deformation portion of the clamp spring.

8. The dental irrigator of claim 7 wherein the coupler is integrally formed with the outlet end cap.

9. The dental irrigator of claim 1 wherein the slot has a slot bottom and the engaging portion contacts the slot bottom of the slot, the angle of the engaging portion after engaging the nozzle being equal to the angle in its natural state.

10. The tooth-rinsing device as claimed in claim 1 or 9, wherein the edge of the bottom end face of the nozzle is provided with a first inclined surface for facilitating insertion into the snap spring, the connector is provided with a second inclined surface, and the outer diameter of the bottom end face of the nozzle is smaller than or equal to the outer diameter of the bottom of the slot.