Water flosser

CN224628160UActive Publication Date: 2026-08-14SHENZHEN QIYINIAO TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-13
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

[0002]相关技术中的冲牙器通常仅对储液腔中的液体进行杀菌,储液腔向喷嘴输出的液体一般需要经过一段管路,在此过程中,液体依然存在被细菌污染的风险

Benefits of technology

[0019]实施本实用新型冲牙器具有以下有益效果:该冲牙器通过在主板朝向泵体的一面设置灭菌装置,且将该灭菌装置靠近第一端设置,并将其配置为能够对泵体输出至喷嘴的液体进行灭菌,从而可实现对泵体输出至喷嘴的液体进行灭菌,进而保证了液体的安全性,提高用户使用体验感。

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to a water flosser, comprising a liquid storage chamber, a pump core assembly communicating with the liquid storage chamber, and a nozzle connected to the pump core assembly. The pump core assembly includes a pump body and a main board. The pump body includes a first end and a second end disposed opposite to the first end. The nozzle is connected to the first end. The main board is disposed on one side of the pump body and extends towards the first end. A sterilization device is disposed on the side of the main board facing the pump body, and the sterilization device is disposed near the first end and configured to sterilize the liquid output from the pump body to the nozzle. This water flosser, by disposing of a sterilization device on the side of the main board facing the pump body, placing the sterilization device near the first end, and configuring it to sterilize the liquid output from the pump body to the nozzle, can achieve sterilization of the liquid output from the pump body to the nozzle, thereby ensuring liquid safety and improving the 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] In related technologies, oral irrigators typically only sterilize the liquid in the reservoir. The liquid output from the reservoir to the nozzle usually needs to pass through a pipeline, during which the liquid is still at risk of being contaminated by bacteria. 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, including a liquid storage chamber for storing liquid, a pump core assembly communicating with the liquid storage chamber, and a nozzle connected to the pump core assembly;

[0005] A pump core assembly includes a pump body and a main board. The pump body includes a first end and a second end disposed opposite to the first end. The nozzle is connected to the first end. The main board is disposed on one side of the pump body and extends toward the first end. A sterilization device is disposed on the side of the main board facing the pump body. The sterilization device is disposed near the first end and is configured to sterilize the liquid output from the pump body to the nozzle.

[0006] Preferably, the sterilization device includes a sterilization lamp that uses radiant light waves for sterilization;

[0007] The nozzle is configured to have at least a light-transmitting area on the side opposite to the main board; and / or, the pump body includes a main body and a connecting part disposed at one end of the main body that allows light waves to pass through, the connecting part being configured to have at least a light-transmitting area on the side opposite to the main board.

[0008] The sterilization lamp is positioned facing the light-transmitting area.

[0009] Preferably, a chamber for liquid to enter is formed on the inner side of the connecting part, and the nozzle communicates with the chamber; the light-transmitting area is correspondingly arranged with the chamber.

[0010] Preferably, the sterilization lamp includes a UVC sterilization lamp.

[0011] Preferably, the pump core assembly further includes an indicator light, which is disposed on the main board and configured to indicate the status of the sterilization device.

[0012] Preferably, the oral irrigator further includes a sterilization device, which is disposed toward the liquid storage chamber and is used to sterilize the liquid or object in the liquid storage chamber.

[0013] Preferably, the sterilization device is disposed at the second end of the pump body.

[0014] Preferably, the sterilization device includes a circuit board and a sterilization lamp disposed on the circuit board.

[0015] Preferably, the oral irrigator includes a first housing and a second housing sleeved on at least a portion of the outer periphery of the first housing; the pump core assembly is installed in the first housing, and the liquid reservoir is formed in the second housing and located at the second end of the pump core assembly;

[0016] An end wall is provided between the first housing and the liquid storage cavity; a light-transmitting plate is provided on the end wall;

[0017] The germicidal lamp is positioned facing the light-transmitting plate.

[0018] Preferably, the oral irrigator further includes a water inlet pipe that extends into the liquid storage chamber and is connected to the pump core assembly.

[0019] The oral irrigator of this utility model has the following beneficial effects: By setting a sterilization device on the side of the main board facing the pump body and placing the sterilization device close to the first end, and configuring it to sterilize the liquid output from the pump body to the nozzle, the oral irrigator can achieve sterilization of the liquid output from the pump body to the nozzle, thereby ensuring the safety of the liquid and improving the user experience. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the oral irrigator structure in some embodiments of this utility model;

[0022] Figure 2 yes Figure 1 The diagram shows another usage configuration of the water flosser.

[0023] Figure 3 yes Figure 1 The image shows a cross-sectional view of the water flosser.

[0024] Figure 4 yes Figure 1 A partial sectional view of the water flosser shown;

[0025] Figure 5 yes Figure 1 A partial structural diagram of the water flosser shown;

[0026] Figure 6 yes Figure 1 A partial structural cross-sectional view of the water flosser shown;

[0027] Figure 7 yes Figure 1 The diagram shows the structure of the pump core assembly of the dental flosser.

[0028] Figure 8 yes Figure 1 The diagram shows the mainboard structure of the water flosser. Detailed Implementation

[0029] 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," "horizontal," "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.

[0030] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "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.

[0031] 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.

[0032] Figure 1Some 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 safe, flexible, easy to operate, and providing a high level of user experience.

[0033] like Figure 1 As shown, in some embodiments, the oral irrigator may include a housing 10, a nozzle 20, and a pump assembly 40. The housing 10 is used to store liquid and house the pump assembly 40. The nozzle 20 is connected to the pump assembly 40 and extends from one end of the housing 10, spraying liquid into the oral cavity for cleaning. The pump assembly 40 may be disposed within the housing 10 and is used to pump liquid to the nozzle 20.

[0034] like Figure 1 and Figure 2 As shown, in some embodiments, the outer casing 10 can be a telescopic casing. In some embodiments, the outer casing 10 may include a first casing 11 and a second casing 12. Both the first casing 11 and the second casing 12 are cylindrical casings. The first casing 11 and the second casing 12 may be coaxially arranged. The second casing 12 may be sleeved on at least a portion of the outer periphery of the first casing 11, and may coaxially move relative to the first casing 11 along the axial direction of the first casing 11, thereby forming a telescopic structure.

[0035] like Figure 2 and Figure 3As shown, in this embodiment, a first cavity 111 and a second cavity 112 are formed inside the first housing 11. The first cavity 111 and the second cavity 112 are separated and can be arranged side by side in the transverse direction of the first housing 11. The central axis of the first cavity 111 can be parallel to the central axis of the second cavity 112. The first cavity 111 can be used to install the pump core assembly 40. The second cavity 112 can be used to house the nozzle 20. A partition wall 113 is provided between the first cavity 111 and the second cavity 112, which can separate the first cavity 111 and the second cavity 112. In some embodiments, one end of the first cavity 111 and the second cavity 112 has an end wall 114. A liquid outlet 1141 is provided on the end wall 114, which can communicate with the second cavity 112 to form at least a partial liquid outlet channel for external liquid to be injected into the second housing 12. In some embodiments, a first opening 115 is provided at one end of the first cavity 111 opposite to the end wall 114. The first opening 115 communicates with the first cavity 111 and is used for mounting the pump core assembly 40 to the first cavity 111. A second opening 116 is provided at one end of the second cavity 112 opposite to the end wall 114. The second opening 116 is correspondingly provided with the second cavity 112. In some embodiments, the housing 10 further includes a cover 13, which can be used to cover the first opening 115 and the second opening 116. In some embodiments, a third opening 117 is provided at one end of the first housing 11 away from the first opening 115 and the second opening 116. The second opening 116 is opposite to the third opening 117 and the two are communicative.

[0036] In some embodiments, the second housing 12 is a hollow structure extending through both ends. The oral irrigator includes a liquid reservoir 121, which may be formed within the second housing 12. One end of the second housing 12 has a fourth opening 122, and the other end has a fifth opening 123. It can be assembled with the first housing 11 through the fourth opening 122. A base 30 can be provided at the fifth opening 123 for sealing. Specifically, the second housing 12 can be partially embedded in the base 30 and can be sealed to the base 30. The two can be sealed by ultrasonic waves. In some embodiments, the gap between the second housing 12 and the base 30 can also be sealed by a sealing structure to prevent liquid leakage.

[0037] It should be noted that in some embodiments, the liquid can be water or a mixture containing detergents, medicines, etc.

[0038] In some embodiments, a limiting and anti-detachment structure may be provided on the first housing 11 and the second housing 12. The limiting and anti-detachment structure may include a slot and a protrusion. The slot may be provided on the inner sidewall of the second housing 12 and near the fourth opening 122. The protrusion may be provided on the outer sidewall of the first housing 11 and near the third opening 117, and corresponding to the slot. When the second housing 12 is pulled away from the nozzle 20 until it is close to the third opening 117, the protrusion can be engaged in the slot, thereby preventing the first housing 11 and the second housing 12 from detaching.

[0039] In some embodiments, the nozzle 20 is detachably connected to the pump core assembly 40 and extends through the cover 13. When not in use, it can be detached from the pump core assembly 40 and stored in the second cavity 112. The nozzle 20 may be longitudinally arranged with a bendable section away from the pump core assembly 40 to facilitate alignment with the user's oral cavity.

[0040] like Figures 4 to 8 As shown, the pump core assembly 40 may include a pump body 41 and a main board 42. The pump body 41 is longitudinally arranged and can be installed in the second cavity 112 for pumping liquid in the storage cavity 121 to the nozzle 20. The pump body 41 may include a first end 41a and a second end 41b, which are arranged opposite to each other. The nozzle 20 can be connected to the first end 41a. The main board 42 can be disposed on one side of the pump body 41 and extend towards the first end 41a. Specifically, the main board 42 is longitudinally arranged and can extend from the second end 41b to the first end 41a, and can be connected to the pump body 41.

[0041] In some embodiments, the pump body 41 may include a main body 411 and a connecting portion 412 disposed at one end of the main body 411. The main body 411 may be a power unit for outputting power. The connecting portion 412 may be partially embedded in the main body 411 and fixed to the main body 411 by snap-fit ​​or interference fit. The end of the connecting portion 412 away from the main body 411 forms a first end 41a. The end of the main body 411 away from the connecting portion 412 forms a second end 41b. The connecting portion 412 may be used to connect to a nozzle 20. A socket 4121 is provided on the connecting portion 412 for insertion into the nozzle 20. In some embodiments, a chamber 4122 for liquid entry may be formed inside the connecting portion 412, which may temporarily store and allow liquid to pass through. The chamber 4122 may communicate with the nozzle 20, and liquid entering the chamber 4122 may be ejected from the nozzle 20. In some embodiments, the side wall of the connecting part 412 may be provided with a water inlet pipe connector 413, which can communicate with the chamber 4122 and can be used to connect with the water inlet pipe 50.

[0042] In some embodiments, the side of the connecting portion 412 opposite to the main board 42 is at least partially light-transmitting to form a light-transmitting area, which may correspond to the cavity 4122. Generally, the connecting portion 412 can be entirely light-transmitting, that is, the connecting portion 412 may be made of a transparent material, such as transparent ABS acrylonitrile-butadiene-styrene copolymer. In other embodiments, the transparent material is not limited to ABS acrylonitrile-butadiene-styrene copolymer. In some embodiments, the connecting portion 412 may also have a window at a position corresponding to the cavity 4122, and a light-transmitting panel may be provided in the window.

[0043] In some other embodiments, a light-transmitting area may be formed on the side of the nozzle 20 opposite to the main board 42, which may be at least partially transparent. The light-transmitting area may also be formed only on the nozzle 20 or the connecting part 412. Generally, the nozzle 20 may be a transparent nozzle.

[0044] In some embodiments, a sterilization device 421 is provided on the side of the main board 42 facing the pump body 41. The sterilization device 421 is located near the first end 41a and can be configured to sterilize the liquid output from the pump body 41 to the nozzle 30, thereby ensuring the safety of the liquid and improving the user experience. Furthermore, by mounting the sterilization device 421 on the main board 42 and forming an integral structure with the main board 42, the installation of the sterilization device 421 is facilitated and the installation steps are simplified.

[0045] In some embodiments, the sterilization device 421 may include a sterilization lamp that sterilizes by radiating light waves, and the sterilization lamp may be positioned towards a light-transmitting area. Generally, the sterilization lamp may be a UVC sterilization lamp (ultraviolet germicidal lamp). In other embodiments, the sterilization lamp may not be limited to a UVC sterilization lamp, but may also be a UVA sterilization lamp. The sterilization lamp may be fixed to the main board 42 by means of patch, soldering, or screw connection. In other embodiments, the sterilization device 421 may not be limited to a sterilization lamp, and may also be a conventional ultrasonic sterilizer that sterilizes by emitting ultrasonic waves or a conventional heating device that sterilizes by heating. The sterilization device 421 can be implemented using existing technology.

[0046] After the pump core assembly 40 is started, liquid can be introduced into the chamber 4122 from the inlet pipe connector 413. The sterilization device 421 is started to emit light waves. The light waves pass through the connection part 412 to sterilize the liquid in the chamber 4122. The sterilized liquid can be sprayed out through the nozzle 20.

[0047] In some embodiments, the pump core assembly 40 further includes an indicator light 422, which may be disposed on the main board 42 and configured to indicate the status of the sterilization device 421. In some embodiments, the indicator light 422 may be disposed side by side with the sterilization lamp. When the sterilization device 421 is turned on, the indicator light 422 may light up; when the sterilization device 421 is turned off, the indicator light 422 may turn off. The user can determine whether the sterilization device 421 is turned on by referring to the indicator light 422. The light emitted by the indicator light 422 can be seen by the user through the housing 10. In some embodiments, the indicator light 422 may be a conventional LED bulb, which is fixed to the main board 42 by means of surface mount, soldering, or screw connection.

[0048] In some embodiments, the pump core assembly 40 further includes a connecting bracket 43, which can be used to connect the main board 42 and the pump body 41. In some embodiments, the connecting bracket 43 can be sleeved on one end of the main board 42 and the pump body 41, so that the three form an assembly, thereby facilitating the installation of the pump core assembly 40 and simplifying the assembly steps of the oral irrigator.

[0049] In some embodiments, the oral irrigator further includes a sterilization device 44, which may be formed at one end of the pump core assembly 40. Specifically, the sterilization device 44 may be disposed at the second end 41b of the pump body 41, facing the liquid storage chamber 121, for sterilizing the liquid or object in the liquid storage chamber 121. The liquid may be clean water or a mixture of liquid containing detergent or medicine; the object may be an object placed in the liquid storage chamber 121, such as the nozzle 20 being removed and placed in the liquid storage chamber 121 for sterilization by the sterilization device 44. In some embodiments, the sterilization device 44 may be fixed to the second end 41b of the pump body 41, specifically, the sterilization device 44 may be connected to the pump body 41 by a screw assembly. The sterilization device 44 may include a circuit board 441 and a sterilizing lamp 442, the circuit board 441 being fixed to the pump body 41 by a screw assembly. The sterilizing lamp 442 may be disposed on the circuit board 441 and facing the end wall 114. A light-emitting hole 1142 may be provided on the end wall 114, and the germicidal lamp 442 may be positioned facing the light-emitting hole 1142, through which the emitted light waves can be output to the liquid storage chamber 121. In some embodiments, a light-transmitting plate 14 is provided on the end wall 114, located at the light-emitting hole 1142, allowing light waves to pass through and isolating the first cavity 111 from the liquid storage chamber 121. The germicidal lamp 442 is positioned facing the light-transmitting plate 14.

[0050] In some embodiments, the oral irrigator further includes a water inlet pipe 50, which extends into the liquid storage chamber 121 and is connected to the pump core assembly 40. In some embodiments, the water inlet pipe 50 can be a flexible hose, one end of which can be connected to a water inlet connector 413, and the other end can be located in the liquid storage chamber 121. When the pump core assembly 40 is in operation, the liquid in the liquid storage chamber 121 can be delivered to the pump core assembly 40 through the water inlet pipe 50.

[0051] 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. A dental flosser, characterized in that, It includes a liquid storage chamber (121) for storing liquid, a pump core assembly (40) communicating with the liquid storage chamber (121), and a nozzle (20) connected to the pump core assembly (40); The pump core assembly (40) includes a pump body (41) and a main board (42). The pump body (41) includes a first end (41a) and a second end (41b) disposed opposite to the first end (41a). The nozzle (20) is connected to the first end (41a). The main board (42) is disposed on one side of the pump body (41) and extends toward the first end (41a). A sterilization device (421) is disposed on the side of the main board (42) facing the pump body (41). The sterilization device (421) is disposed near the first end (41a) and is configured to sterilize the liquid output from the pump body (41) to the nozzle (20).

2. The oral irrigator according to claim 1, characterized in that, The sterilization device (421) includes a sterilization lamp that uses radiation light waves for sterilization; The nozzle (20) is provided with a light-transmitting area on the side opposite to the main board (42); and / or, the pump body (41) includes a main body (411) and a connecting part (412) provided at one end of the main body (411) for light waves to pass through, wherein the connecting part (412) is provided with a light-transmitting area on the side opposite to the main board (42); The sterilization lamp is positioned facing the light-transmitting area.

3. The oral irrigator according to claim 2, characterized in that, The inner side of the connecting part (412) is formed with a chamber (4122) for liquid to enter, and the nozzle (20) is connected to the chamber (4122); the light-transmitting area is correspondingly arranged with the chamber (4122).

4. The oral irrigator according to claim 2, characterized in that, The sterilization lamp includes a UVC sterilization lamp.

5. The oral irrigator according to claim 1, characterized in that, The pump core assembly (40) also includes an indicator light (422), which is disposed on the main board (42) and configured to indicate the status of the sterilization device (421).

6. The oral irrigator according to claim 1, characterized in that, The oral irrigator also includes a sterilization device (44) which is disposed toward the liquid storage chamber (121) and is used to sterilize the liquid or object in the liquid storage chamber (121).

7. The oral irrigator according to claim 6, characterized in that, The sterilization device (44) is disposed at the second end (41b) of the pump body (41).

8. The oral irrigator according to claim 7, characterized in that, The sterilization device (44) includes a circuit board (441) and a sterilization lamp (442) disposed on the circuit board (441).

9. The oral irrigator according to claim 8, characterized in that, The oral irrigator includes a first housing (11) and a second housing (12) sleeved on at least a portion of the outer periphery of the first housing (11); the pump core assembly (40) is installed in the first housing (11), and the liquid reservoir (121) is formed in the second housing (12) and located at the second end (41b) of the pump core assembly (40); An end wall (114) is provided between the first housing (11) and the liquid storage cavity (121); a light-transmitting plate (14) is provided on the end wall (114); The germicidal lamp (442) is positioned facing the light-transmitting plate (14).

10. The oral irrigator according to claim 1, characterized in that, The oral irrigator also includes a water inlet pipe (50), which extends into the liquid storage chamber (121) and is connected to the pump core assembly (40).