CN218128831U

CN218128831U - Tooth flushing device

Info

Publication number: CN218128831U
Application number: CN202222035474.2U
Authority: CN
Inventors: 梁建豪; 汤凤玲
Original assignee: Panasonic Wanbao Home Appliances Electric Iron Guangzhou Co Ltd
Current assignee: Panasonic Wanbao Home Appliances Electric Iron Guangzhou Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-27
Anticipated expiration: 2032-08-03

Abstract

The application provides a tooth flushing device, includes: a main body, a nozzle assembly, and a cleaning liquid unit; the main body is provided with a water supply channel, a liquid outlet is formed in the other end of the nozzle assembly, a confluence channel and a liquid outlet channel are formed in the nozzle assembly, the confluence channel comprises a water inlet section, a throttling section and a mixed flow spraying section which are sequentially arranged along the water flow direction, the sectional area of the throttling section is smaller than that of the water inlet section, the mixed flow spraying section and the liquid outlet channel, a suction hole is further formed in the nozzle assembly, and the suction hole is communicated to the throttling section or the mixed flow spraying section. The utility model provides an towards tooth ware through set up the different passageway that converges of sectional area on nozzle assembly for the venturi effect can take place for the passageway that converges, thereby mix the cleaning solution in the spun rivers ingeniously, reach the clear purpose in oral cavity, the cleaning solution and the rivers of the tooth ware of dashing that so set up mix fully, can not make the cleaning solution remain in the pipeline of punching press ware main part again.

Description

Tooth flushing device

Technical Field

The application relates to the technical field of tooth cleaning, in particular to a tooth flushing device.

Background

The tooth flushing device is an auxiliary tool for cleaning oral cavity, and is a tool for cleaning teeth and tooth gaps by using water flow impact.

To enhance the cleaning effect, some cleaning liquid is usually added to the water jet, and it is common practice to provide a device (hereinafter referred to as device) for introducing the cleaning liquid into the oral cavity on the tooth-washing device, and the device is generally divided into the following three ways:

1. the oral cavity cleaning liquid firstly enters the water tank of the tooth flushing device and is mixed with water in the water tank and then is sprayed out, so that the oral cavity cleaning liquid can flow through the water tank and the pipeline of the pump body, and if the cleaning is not in place, the deposits of the oral cavity cleaning liquid can be deposited on the pipeline through which the oral cavity cleaning liquid flows, so that the risk of damaging the tooth flushing device is caused;

2. the device is positioned behind the pump body of the tooth flusher, and between the pump body and the nozzle component, the oral cavity cleaning agent does not enter the water tank of the tooth flusher, so that if the oral cavity cleaning agent is in a liquid state, the oral cavity cleaning agent can be sprayed out firstly during spraying, and the oral cavity cleaning agent cannot be mixed with water according to a certain proportion;

3. use two motors, two pump bodies, respectively with water and oral cavity cleaning solution suction mixing area, then mix the blowout again, this kind of mode need use two motors, two pump bodies with oral cavity cleaning solution and water proportional mixing, with high costs, bulky.

SUMMERY OF THE UTILITY MODEL

The present application provides a tooth washing device to solve the disadvantages and shortcomings of the prior art.

The application provides a tooth flushing device, includes: a main body, a nozzle assembly, and a cleaning liquid unit;

the main body is provided with a water supply channel, one end of the nozzle assembly is connected to the main body, the other end of the nozzle assembly is provided with a liquid outlet, a confluence channel and a liquid outlet channel are formed in the nozzle assembly, the water supply channel is communicated to the liquid outlet after passing through the confluence channel and the liquid outlet channel in sequence, the confluence channel comprises a water inlet section, a throttling section and a mixed flow ejection section which are sequentially arranged along the water flow direction, wherein the sectional area of the throttling section is smaller than that of the water inlet section, the mixed flow ejection section and the liquid outlet channel, the nozzle assembly is further provided with a suction hole, and the suction hole is communicated to the throttling section or the mixed flow ejection section; the cleaning liquid unit is provided with a cleaning liquid containing cavity communicated to the suction hole through a suction pipe.

Compared with the prior art, this application embodiment towards tooth ware through set up the different passageway that converges of sectional area on nozzle assembly for the passageway that converges can take place the venturi effect, thereby mix the cleaning solution in spun rivers ingeniously, reach the clear purpose in oral cavity, the cleaning solution and the rivers of the tooth ware that dash that so set up mix fully, can not make the cleaning solution remain among the pipeline of punching press main part again, can save the cost, practice thrift the space.

In a preferred or alternative embodiment, the nozzle assembly includes a nozzle and a manifold connected to each other, the manifold being connected to the main body, wherein the liquid outlet is provided on the nozzle, the suction hole is provided on the manifold, the manifold passage is formed by the manifold, and the liquid outlet passage is formed by the nozzle.

In a preferred or alternative embodiment, the nozzle assembly includes a nozzle and a manifold connected to each other, the manifold being connected to the main body, wherein the liquid outlet and the suction hole are provided in the nozzle, the water inlet section and the throttle section of the manifold channel are formed by the manifold, the mixed flow ejection section and the liquid outlet channel of the manifold channel are formed by the nozzle, and the suction hole is communicated to the mixed flow ejection section.

In a preferred or optional embodiment, the cleaning liquid unit includes a cover, and the cover is disposed outside the manifold to enclose the cleaning liquid accommodating chamber together with the manifold.

In a preferred or optional embodiment, the casing is provided with a liquid injection port communicated to the cleaning liquid accommodating chamber, and the cleaning liquid unit further comprises a cover body covering the liquid injection port.

In a preferred or alternative embodiment, the body includes a housing, the water supply passage being formed by the housing, a water tank and a pump body both disposed in the housing, the pump body being for drawing water in the water tank into the water supply passage.

In a preferred or optional embodiment, a first connecting portion and a second connecting portion are respectively arranged at the upper end and the lower end of the collecting pipe, the first connecting portion is detachably connected with the nozzle, and the second connecting portion is detachably connected with the casing.

In a preferred or optional embodiment, the first and second connection portions are of a threaded configuration.

In a preferred or optional embodiment, the first connecting portion is detachably connected to the nozzle by a first elastic fastener, and the second connecting portion is detachably connected to the housing by a second elastic fastener.

In a preferred or alternative embodiment, the manifold is integrally formed with the housing.

For a better understanding and practice, the present application is described in detail below with reference to the accompanying drawings.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a dental irrigator according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B in FIG. 2;

FIG. 5 is a schematic cross-sectional view of a manifold according to an embodiment of the present application;

FIG. 6 is an enlarged schematic view at C of FIG. 5;

FIG. 7 is a schematic view of the operation of the tooth irrigator according to an embodiment of the present application;

FIG. 8 is a schematic view of the operation of a dental irrigator according to another embodiment of the present invention;

FIG. 9 is a schematic view of the connection at the manifold of another embodiment of the dental irrigator of the present application;

reference numerals:

1. a main body; 11. a housing; 101. a water supply channel; 12. a water tank; 13. a pump body; 2. a nozzle assembly; 21. a nozzle; 201. a liquid outlet; 202. a liquid outlet channel; 22. a collector pipe; 203. a converging channel; 2031. a water inlet section; 2032. a throttling section; 2033. a mixed flow ejection section; 204. a suction hole; 221. a first connection portion; 222. a second connecting portion; 30. a cleaning liquid accommodating cavity; 31. a housing; 311. a liquid injection port; 312. a cover body; 32. a suction tube; 41. a first elastic fastener; 42. a second elastic fastener; 5. and sealing the rubber ring.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as meaning 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 meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a dental irrigator in an embodiment of the present application, fig. 2 is a schematic sectional diagram of the dental irrigator in the embodiment of the present application, fig. 3 is an enlarged schematic view of a point a in fig. 2, fig. 4 is an enlarged schematic view of a point B in fig. 2, fig. 5 is a schematic sectional diagram of a bus tube in the embodiment of the present application, fig. 6 is an enlarged schematic view of a point C in fig. 5, and fig. 7 is a schematic operational principle diagram of the dental irrigator in the embodiment of the present application.

The embodiment of the application provides a tooth flushing device, includes: a main body 1, a nozzle assembly 2, and a cleaning liquid unit.

As shown in fig. 1 and 2, the main body 1 has a water supply channel 101, the water supply channel 101 can provide water flow, and specifically, in the present embodiment, the main body 1 includes a housing 11, a water tank 12 and a pump body 13, the water supply channel 101 is formed by the housing 11, the water tank 12 and the pump body 13 are both disposed in the housing 11, the water tank 12 is used for storing water, and the pump body 13 is used for pumping the water in the water tank 12 into the water supply channel 101 so as to discharge the water through the water supply channel 101.

As shown in fig. 2-4, one end of the nozzle assembly 2 is connected to the main body 1, the other end of the nozzle assembly 2 is provided with a liquid outlet 201, a confluence channel 203 and a liquid outlet channel 202 are formed inside the nozzle assembly 2, the water supply channel 101 is communicated to the liquid outlet 201 after passing through the confluence channel 203 and the liquid outlet channel 202 in sequence, and water in the water supply channel 101 can be ejected from the liquid outlet 201 after passing through the confluence channel 203 and the liquid outlet channel 202 in sequence, as shown in fig. 5 and 6, the confluence channel 203 comprises a water inlet section 2031, a throttling section 2032 and a mixed flow ejection section 2033 which are arranged in sequence along a water flow direction, wherein a cross-sectional area of the throttling section 2032 is smaller than cross-sectional areas of the water inlet section 2031, the mixed flow ejection section 2033 and the liquid outlet channel 202, and the throttling section 2032 is a part with the smallest cross-sectional area in the channel, so that a negative pressure is formed in the mixed flow ejection section 2033 after the water flow passes through the throttling section 2032. The nozzle assembly 2 is further provided with a suction hole 204, the suction hole 204 is communicated to the throttling section 2032 or the mixed flow ejection section 2033, the cleaning liquid unit is provided with a cleaning liquid containing cavity 30, the cleaning liquid containing cavity 30 is communicated to the suction hole 204 through a suction pipe 32, and the suction hole 204 is used for sucking cleaning liquid.

The working process and the principle of the tooth flushing device in the embodiment of the application are as follows:

as shown in fig. 7, the pump body 13 is operated to send water in the water tank 12 into the water supply channel 101, the water flow enters the throttling section 2032 after passing through the water inlet section 2031 of the confluence channel 203, and according to the venturi effect, when the water flow passes through the throttling section 2032, a negative pressure is formed in the mixed flow ejection section 2033, so that the cleaning liquid in the cleaning liquid accommodating chamber 30 is sucked into the mixed flow ejection section 2033 through the suction pipe 32 and the suction hole 204, so that the water flow and the cleaning liquid are mixed in the mixed flow ejection section 2033, and the mixed water flow is ejected from the liquid outlet 201 after passing through the liquid outlet channel 202.

The embodiment of the application the tooth flushing device is through setting up the different passageway 203 that converges of sectional area on nozzle assembly 2 for the passageway 203 that converges can take place the venturi effect, thereby mix the cleaning solution in spun rivers ingeniously, reach the clear purpose in oral cavity, the cleaning solution and the rivers of tooth flushing device that so set up mix fully, can not make the cleaning solution remain among the pipeline of punching press main part 1 again, can save the cost, practice thrift the space.

It should be noted that the suction hole 204 may only connect to the throttling section 2032, or only connect to the mixed flow ejecting section 2033, and both of them may enable the cleaning solution to be smoothly sucked and fully mixed with the water flow in the mixed flow ejecting section 2033, specifically, in this embodiment, the suction hole 204 connects to the mixed flow ejecting section 2033, so that the cleaning solution is directly sucked into the mixed flow ejecting section 2033 without passing through the throttling section 2032.

Specifically, the nozzle assembly 2 includes a nozzle 21 and a manifold 22 connected to each other, the nozzle 21 has an elongated structure, the manifold 22 is connected to the main body 1, as shown in fig. 7, in the present embodiment, the liquid outlet 201 is disposed on the nozzle 21, the suction hole 204 is disposed on the manifold 22, the manifold channel 203 is formed by the manifold 22, and the liquid outlet channel 202 is formed by the nozzle 21, that is, the tooth punching device of the present embodiment forms the manifold channel 203 and the liquid outlet channel 202 through the manifold 22 and the nozzle 21, respectively, and the water flow and the cleaning liquid are mixed in the manifold 22 and then ejected through the nozzle 21.

In other embodiments, for example, as shown in fig. 8, the liquid outlet 201 and the suction hole 204 are both disposed on the nozzle 21, the water inlet section 2031 and the throttling section 2032 of the confluence channel 203 are formed by the confluence pipe 22, and the mixed flow ejecting section 2033 of the confluence channel 203 and the liquid outlet channel 202 are formed by the nozzle 21, that is, the confluence pipe 22 only plays a role of throttling and increasing speed, and the water flow and the cleaning liquid are mixed in the mixed flow ejecting section 2033 of the nozzle 21 and then ejected from the liquid outlet 201 through the liquid outlet channel 202.

The cleaning liquid unit can be disposed in various ways, for example, the cleaning liquid unit can be disposed in the housing 11, but such arrangement can make the main body 1 of the tooth rinsing device too large, which is not beneficial to saving space, specifically, as shown in fig. 3, in this embodiment, the cleaning liquid unit includes a cover 31, the cover 31 is disposed outside the confluence pipe 22 to enclose the cleaning liquid accommodating chamber 30 together with the confluence pipe 22, that is, the cleaning liquid accommodating chamber 30 is enclosed outside the confluence pipe 22. Wherein, accessible ultrasonic fusion, buckle connection or mode such as screw connection are connected between collector pipe 22 and the housing 31, guarantee firm in connection between the two. Preferably, the cover 31 is provided with a liquid injection port 311 communicated to the cleaning liquid containing cavity 30, the liquid injection port 311 can be used for injecting cleaning liquid, and the cleaning liquid unit further comprises a cover body 312 covering the liquid injection port 311 to ensure sealing.

As shown in fig. 3, in this embodiment, the upper end and the lower end of the manifold 22 are respectively provided with a first connecting portion 221 and a second connecting portion 222, the first connecting portion 221 is detachably connected to the nozzle 21, and the second connecting portion 222 is detachably connected to the housing 11, so that the nozzle 21 and the manifold 22 can be conveniently disassembled. For example, in an alternative embodiment, the first connecting portion 221 and the second connecting portion 222 can be detachably connected to the nozzle 21 by a first elastic fastening member 41, the second connecting portion 222 can be detachably connected to the housing 11 by a second elastic fastening member 42, and the first elastic fastening member 41 and the second elastic fastening member 42 can generate an elastic fastening force, and the elastic fastening force can separate the first connecting portion 221 and the nozzle 21 and the second connecting portion 222 from the housing 11 by contact. In another alternative embodiment, as shown in fig. 9, the first connection portion 221 and the second connection portion 222 are threaded, the bottom end of the nozzle 21 is threaded with the first connection portion 221, and the housing 11 is threaded with the second connection portion 222.

As shown in fig. 3, sealing rubber rings 5 are disposed at the connection position of the first connection portion 221 and the nozzle 21 and at the connection position of the second connection portion 222 and the housing 11, so as to enhance the sealing effect and prevent water leakage.

In other embodiments, the manifold 22 is integrally formed with the housing 11, and is non-removable for ease of manufacture, and the nozzle 21 is removably connected to the manifold 22.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims

1. A dental irrigator, comprising:

a main body, a nozzle assembly, and a cleaning liquid unit;

2. The dental irrigator of claim 1, wherein:

the nozzle assembly includes a nozzle and a manifold connected to each other, the manifold being connected to the main body, wherein the liquid outlet is provided on the nozzle, the suction hole is provided on the manifold, the manifold passage is formed by the manifold, and the liquid outlet passage is formed by the nozzle.

3. The dental irrigator of claim 1, wherein:

the nozzle assembly includes a nozzle and a manifold connected to each other, the manifold being connected to the main body, wherein the liquid outlet and the suction hole are both provided on the nozzle, an inflow section and a throttling section of the manifold channel are formed by the manifold, a mixed flow ejection section and a liquid outlet channel of the manifold channel are formed by the nozzle, and the suction hole is communicated to the mixed flow ejection section.

4. The dental irrigator of claim 2 or claim 3, wherein:

the cleaning solution unit comprises a cover shell, and the cover shell is arranged outside the collecting pipe to enclose the collecting pipe together to form the cleaning solution accommodating cavity.

5. The dental irrigator of claim 4, wherein:

the cleaning solution unit is characterized in that a liquid injection port communicated to the cleaning solution containing cavity is formed in the housing, and the cleaning solution unit further comprises a cover body arranged on the liquid injection port.

6. The dental irrigator of claim 2 or 3, wherein:

the main part includes casing, water tank and the pump body, water supply channel by the casing forms, water tank and the pump body all set up in the casing, the pump body is arranged in with water in the water tank extracts to in the water supply channel.

7. The dental irrigator of claim 6, wherein:

the upper end and the lower end of the collecting pipe are respectively provided with a first connecting portion and a second connecting portion, the first connecting portions are detachably connected with the nozzles, and the second connecting portions are detachably connected with the shell.

8. The dental irrigator of claim 7, wherein:

the first connecting part and the second connecting part are of threaded structures.

9. The dental irrigator of claim 7, wherein:

the first connecting part is detachably connected with the nozzle through a first elastic buckling piece, and the second connecting part is detachably connected with the shell through a second elastic buckling piece.

10. The dental irrigator of claim 6, wherein:

the collecting pipe and the shell are integrally formed.