Water pick

By setting an opening in the bottom wall of the water storage structure of the water flosser and using a top rod to control the switch, the problem of the drain outlet needing to be disassembled in the prior art is solved, achieving convenient water flow control and a superior user experience.

CN223969172UActive Publication Date: 2026-03-06SHENZHEN QIYINIAO TECH CO LTD
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Patent Information

Application Number
CN202520121064.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-03-06
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Existing oral irrigators require disassembling the sealing structure to drain water, which is complicated and can easily wet the environment, affecting the user experience.

Method used

An opening is provided on the bottom wall of the water storage structure, and the opening and closing of the switch is controlled by the top rod of the base. The top rod drives the valve core to move in the water storage chamber, so as to achieve convenient water flow control.

Benefits of technology

It simplifies drainage operations, improves user experience, and is easy to operate while effectively sealing the openings of the water storage structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an oral irrigator which comprises a water storage structure, a water storage cavity is defined on the inner side of the water storage structure, the water storage structure comprises a bottom wall, an opening is formed in the bottom wall, and the opening is provided with a switch; the base is arranged at the bottom of the water storage structure and comprises a base plate and an ejector rod arranged on the base plate, at least part of the ejector rod is inserted into the switch, and the switch is turned on or turned off through movement of the ejector rod. According to the oral irrigator, the opening is formed in the bottom wall of the water storage structure, the switch is arranged at the opening, the ejector rod at least partially inserted into the opening is arranged on the base plate of the base, then the switch can be turned on or turned off by moving the ejector rod, water in the water storage structure can be conveniently discharged, and the opening of the water storage structure can be conveniently closed. The oral irrigator is simple and convenient to operate and high in user experience.
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Description

Technical Field

[0001] This utility model relates to the field of oral hygiene, and in particular to a water flosser. Background Technology

[0002] Water flossers using this technology typically have a drain outlet on the water storage structure. This drain outlet is usually sealed by a sealing structure. When drainage is needed, the sealing structure usually needs to be removed before drainage can proceed. This process is complicated and can easily lead to water being discharged directly, wetting the environment and affecting the user experience. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an improved oral irrigator.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to construct a dental flosser, comprising:

[0005] A water storage structure, with an inner water storage cavity defined therein, the water storage structure includes a bottom wall, an opening provided on the bottom wall, and a switch provided on the opening;

[0006] The base is disposed at the bottom of the water storage structure and includes a chassis and a top rod disposed on the chassis. The top rod is at least partially inserted into the switch and can be moved to open or close the switch.

[0007] In some embodiments, the switch includes a one-way valve.

[0008] In some embodiments, the switch includes:

[0009] The valve body includes an end wall, an annular wall disposed on the outer periphery of the end wall, and a drain outlet disposed opposite to the end wall. The annular wall is provided with a water outlet hole that communicates with the water storage cavity. The end wall is provided with a valve needle extending toward the drain outlet.

[0010] Valve core; disposed within the valve body;

[0011] An elastic element is sleeved on the valve needle, with one end abutting against the end wall and the other end abutting against the valve core;

[0012] The push rod is inserted into the drain port and moved axially along the valve body. When the push rod moves and drives the valve core to the first position, the switch is opened, and the water in the water storage chamber is output from the drain port through the water outlet. When the push rod moves and drives the valve core to the second position, the switch is closed.

[0013] In some embodiments, a water storage tank is provided on the end face of the chassis facing the bottom wall;

[0014] The top rod protrudes from the bottom wall of the water storage tank.

[0015] In some embodiments, the chassis sidewall is provided with a drainage channel, which is connected to the water storage tank.

[0016] In some embodiments, the chassis is provided with drainage holes, which define the drainage channel;

[0017] The water flosser also includes a cover that closes or opens the drain hole.

[0018] In some embodiments, the bottom surface of the water storage tank is inclined toward the drainage channel to form a guide slope for water supply.

[0019] In some embodiments, the top rod is integrally formed with the chassis.

[0020] In some embodiments, a guide groove is provided on the side wall of the top rod.

[0021] In some embodiments, the water flosser further includes a pump core assembly for pumping water out of a water storage chamber, and a nozzle connected to the pump core assembly.

[0022] The oral irrigator of this invention has the following beneficial effects: By opening an opening in the bottom wall of the water storage structure and installing a switch at the opening, and by installing a push rod on the base plate that is at least partially inserted into the opening, the switch can be opened or closed by moving the push rod. This facilitates the drainage of water from the water storage structure and the closure of the opening. The oral irrigator is easy to operate and provides a high level of user experience. Attached Figure Description

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the structure of the oral irrigator in some embodiments of this utility model;

[0025] Figure 2 yes Figure 1 A schematic diagram showing the structure of the opening switch of the water flosser being closed;

[0026] Figure 3 yes Figure 1 A schematic diagram of the opening switch structure of the water flosser shown;

[0027] Figure 4 yes Figure 1 The diagram shows the base structure of the water flosser. Detailed Implementation

[0028] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "upper," "top," "bottom," "inner," and "outer" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.

[0029] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0030] In the following description, specific details such as particular system structures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0031] Figure 1 Some preferred embodiments of the oral irrigator of this invention are shown. This oral irrigator can be used for oral cleaning and has the advantages of being easy to operate and providing a high level of user experience.

[0032] like Figure 1As shown, in some embodiments, the oral irrigator may include a body 10, a water reservoir 20, a base 30, and a nozzle 40. The body 10 is assembled with the water reservoir 20, which can be used to mount the nozzle 40. The water reservoir 20 can be used to store water and supply it to the body 10. The base 30 can be disposed at the bottom of the water reservoir 20 to support the water reservoir 20 and facilitate the placement of the oral irrigator. The nozzle 40 can extend into the oral cavity to radially clean the oral cavity by spraying water.

[0033] In some embodiments, the body 10 may be flat. Of course, it is understood that in other embodiments, the body 10 may also be cylindrical. In this embodiment, the body 10 may be made of plastic material; in other embodiments, the body 10 may also be made of metal, glass, or the like.

[0034] In some embodiments, the oral irrigator may further include a pump core assembly (not shown); the pump core assembly (not shown) is disposed in the body 10 and can be connected to the nozzle 40. Specifically, it can be detachably connected to the nozzle 40, such as by a plug-in or threaded connection. The pump core assembly (not shown) can be connected to the water storage structure 20 via a pipeline. Specifically, when the pump core assembly (not shown) is in operation, it can supply water from the water storage structure 20 to the nozzle 40. The pump core assembly (not shown) can be connected to the water storage chamber 23 of the water storage structure 20 via a pipeline, thereby pumping water out of the water storage chamber 23.

[0035] In some embodiments, the water storage structure 20 may be generally flat, specifically, the cross-section of the water storage structure 20 may be generally rectangular. Of course, it is understood that in other embodiments, the water storage structure 20 may also be cylindrical. The water storage structure 20 may be fitted onto at least a portion of the outer periphery of the body 10 and may be coaxially arranged with the body 10. The water storage structure 20 is a hollow structure with a sleeve interface at one end, and may include a bottom wall 21 disposed on the bottom wall 21 and a side wall 22 extending towards the body 10. A water storage cavity 23 may be defined inside the water storage structure 20, specifically, the water storage cavity 23 may be defined by the bottom wall 21 and the side wall 22.

[0036] In some embodiments, the bottom wall 21 is provided with an opening 211, which may be located at the central axis of the bottom wall 21. Of course, it is understood that in some other embodiments, the opening 211 may not be limited to being located at the central axis of the bottom wall 21.

[0037] In some embodiments, a switch 24 may be provided in the opening 211. When the switch 24 is open, water in the water storage chamber 23 can be discharged; when the switch 24 is closed, water in the water storage chamber 23 cannot be discharged. In some embodiments, the switch 24 may be a one-way valve. Of course, it is understood that in some other embodiments, the switch 24 may not be limited to a one-way valve, and may be a sealing element that can be slidably configured to block the opening 211.

[0038] like Figure 2 and Figure 3 As shown, in some embodiments, the switch 24 may include a valve body 241, a valve core 242, and an elastic element 243. The valve body 241 may be installed at the opening 211 and may fit without clearance with the inner wall of the opening 211. The valve body 241 may partially extend into the water storage chamber 231. The valve core 242 may be disposed in the valve body 241 and may be movable along the axial direction of the valve body 241. Figure 2 As shown, the valve core 242 is currently in the second position, which is the initial position. With the valve core 242 in the second position, the switch 24 is closed, and water in the water storage chamber 231 cannot be discharged. When the valve core 242 moves from the second position to the first position, the switch 24 opens, allowing water in the water storage chamber 231 to be discharged through the switch 24. When the valve core 242 moves from the first position to the second position, the valve core 242 resets, and the switch 24 closes. An elastic element 243 is disposed between the valve body 241 and the valve core 242 to drive the valve core 242 to reset.

[0039] In some embodiments, the valve body 241 may be cylindrical and may include an end wall 2411, an annular wall 2412, and a drain outlet 2413. The end wall 2411 may be located in the water storage chamber 23, and the annular wall 2412 may be disposed on the outer periphery of the end wall 2411, and may be disposed circumferentially along the end wall 2411. The drain outlet 2413 may be disposed opposite to the end wall 2411. The annular wall 2412 is provided with a water outlet hole 2414, which may communicate with the water storage chamber 23 for outputting water from the water storage chamber 23. There may be multiple water outlet holes 2414, and the multiple water outlet holes 2414 may be spaced apart circumferentially along the annular wall 2412. In some embodiments, a limiting structure 2410 may be provided on the inner side of the annular wall 2412. The position of the limiting structure 2410 may correspond to the position of the opening 211. It may be inclined toward the drain outlet 2413, and the limiting structure 2410 may retract toward the opening 211. In some embodiments, a valve needle 2415 is provided on the end wall 2411, and the valve needle 2415 may extend toward the drain outlet 2413.

[0040] In some embodiments, the valve core 242 is disposed in the valve body 241, and may include a first portion 2421 and a second portion 2422. The first portion 2421 may be cylindrical, and the second portion may be conical. The outer diameter of the second portion 2422 may be adapted to the inner diameter of the limiting structure 2410 of the annular wall 2412. When the valve core 242 is in the second position, the second portion 2422 may abut against the limiting structure or be in close contact with the inner wall of the limiting structure. When the valve core 242 is in the first position, a gap may be left between the second portion 2422 and the inner side of the limiting structure, and this gap may communicate with the water outlet 2414 and the drain outlet 2413.

[0041] In some embodiments, the elastic element 243 can be a spring, which can be sleeved on the valve needle 2415, with one end abutting against the end wall 2411 and the other end abutting against the valve core 242. When the valve core 242 is in the first position, the elastic element 243 is in a contracted state, which can drive the valve core 242 to move towards the drain port 2413, thereby allowing the valve core 242 to be locked on the limiting structure.

[0042] like Figure 4 As shown, in some embodiments, the base 30 may include a chassis 31 and a push rod 32, the chassis 31 being generally disc-shaped. In some embodiments, the outer diameter of the chassis 31 may be larger than the length of the water storage structure 20. The push rod 32 may be disposed on the chassis 31, and may be located at the central axis of the chassis 31. The push rod 32 may be at least partially inserted into the switch 24 and may be moved to open or close the switch 24. Generally, the chassis 31 may be pushed to drive the push rod 32 to be inserted from the drain port 2413 and to contact the valve core 242. The push rod 32 may move axially along the valve body 241, and drive the valve core 242 to move axially along the valve body 241. When the push rod 32 drives the valve core to the first position, the switch 24 is opened, and water from the water storage chamber 23 may be output from the drain port 2413 through the water outlet 2414. The push rod 32 can move the valve core 242 to the second position. The valve core 242 is limited by the limiting structure 2410 and is in close contact with the inner wall of the limiting structure 2410, thereby closing the switch 24.

[0043] In some embodiments, the outer wall of the push rod 32 may be provided with a plurality of guide grooves 321, which may be spaced apart circumferentially along the push rod 32, and each guide groove 321 may be arranged axially along the push rod 32. In some embodiments, the guide grooves 321 may not be limited to a plurality, and may also be a single one. In some embodiments, the guide grooves 321 may also be omitted. The push rod 32 may be integrally formed with the chassis 31, specifically, the push rod 32 may be integrally formed with the chassis 31. Specifically, the push rod 32 and the chassis 31 may be integrally formed by injection molding. In some other embodiments, the push rod 32 and the chassis 31 may be separate structures, and the two may be connected by a snap-fit ​​structure or a screw connection structure.

[0044] In some embodiments, a water storage tank 33 may be provided on the end face of the chassis 31 facing the bottom wall 21, and a top rod 32 may be provided protruding from the bottom wall of the water storage tank 33 and located in the middle of the water storage tank 33. The water storage tank 33 can store water discharged from the water storage structure 20.

[0045] In some embodiments, a drain hole 34 is provided on the chassis 31. The drain hole 34 may be provided on the side wall of the water storage tank 33. In some embodiments, a drain channel 341 may be provided on the side wall of the chassis 31. The drain channel 341 may be defined by the drain hole 34 and may communicate with the water storage tank 33 for draining water from the water storage tank 33. In some embodiments, the bottom surface of the water storage tank 33 may be inclined toward the drain channel 341, which may form a guide slope for water outflow. In some embodiments, the drain hole 34 may also be omitted. Some water in the water storage tank 33 may also evaporate directly.

[0046] In some embodiments, the oral irrigator further includes a cover 35 that can cover or open the drain hole 34. Specifically, the cover 35 can be partially inserted into the drain hole 34 to block the drain hole 34. In other embodiments, the cover 35 may be omitted.

[0047] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. An oral irrigator characterized by, include: A water storage structure (20) defines a water storage cavity (23) on its inner side. The water storage structure (20) includes a bottom wall (21) with an opening (211) on the bottom wall (21) and a switch (24) on the opening (211). The base (30) is disposed at the bottom of the water storage structure (20) and includes a chassis (31) and a top rod (32) disposed on the chassis (31). The top rod (32) is at least partially inserted into the switch (24) and the switch (24) is opened or closed by moving it.

2. The waterpik of claim 1, wherein, The switch (24) includes a one-way valve.

3. The oral irrigator of claim 2, wherein, The switch (24) includes: The valve body (241) includes an end wall (2411), an annular wall (2412) disposed on the outer periphery of the end wall (2411), and a drain outlet (2413) disposed opposite to the end wall (2411). The annular wall (2412) is provided with a water outlet (2414) which communicates with the water storage chamber (23). The end wall (2411) is provided with a valve needle (2415) extending toward the drain outlet (2413). Valve core (242); disposed in the valve body (241); The elastic element (243) is sleeved on the valve needle (2415), with one end abutting against the end wall (2411) and the other end abutting against the valve core (242); The push rod (32) is inserted into the drain port (2413) and moved axially along the valve body (241). When the push rod (32) moves and drives the valve core (242) to the first position, the switch (24) is opened, and the water in the water storage chamber (23) is output from the drain port (2413) through the water outlet (2414). When the push rod (32) moves and drives the valve core (242) to the second position, the switch (24) is closed.

4. The waterpik of claim 1, wherein, A water storage tank (33) is provided on the end face of the chassis (31) facing the bottom wall (21); The top rod (32) is set to protrude from the bottom wall (21) of the water storage tank (33).

5. The oral irrigator of claim 4, wherein, The chassis (31) has a drainage channel (341) on its side wall, and the drainage channel (341) is connected to the water storage tank (33).

6. The oral irrigator of claim 5, wherein, The chassis (31) is provided with a drainage hole (34), which defines the drainage channel (341); The water flosser also includes a cover (35) that closes or opens the drain hole (34).

7. The oral irrigator of claim 5, wherein, The bottom surface of the water storage tank (33) is inclined toward the drainage channel (341) to form a guide slope for water supply.

8. The oral irrigator of claim 1, wherein, The top rod (32) is integrally formed with the chassis (31).

9. The waterpik of claim 1, wherein, A guide groove (321) is provided on the side wall of the top rod (32).

10. The waterpik of claim 1, wherein, The water flosser also includes a pump core assembly for pumping water out of the water storage chamber (23) and a nozzle (40) connected to the pump core assembly.