Portable oral irrigator

With its foldable nozzle, detachable water container, and continuous press button design, it solves the problems of poor portability, inconvenient cleaning, and hygiene hazards of existing oral irrigators, achieving a portable, easy-to-clean, and safe user experience.

CN224140975UActive Publication Date: 2026-04-21TAOYOUMINGPIN (SHENZHEN) TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAOYOUMINGPIN (SHENZHEN) TECH CO LTD
Filing Date
2025-04-30
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing oral irrigators suffer from problems such as poor portability, inconvenient cleaning, waste of resources, and safety hazards. In particular, the non-removable nozzle, non-removable water tank, and button operation design cause inconvenience and hygiene risks.

Method used

It features a foldable nozzle structure, a detachable water storage container, and a continuous press button design. The nozzle folds via a rotating shaft, the water storage container is detachably connected to a mineral water bottle, and the button controls the water flow by continuous pressing. The mineral water bottle is used as the water storage container, and releasing the button stops the water spraying.

Benefits of technology

It improves portability and ease of cleaning, reduces resource waste, lowers hygiene risks, and enhances safety and ease of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224140975U_ABST
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Abstract

The utility model discloses a portable oral irrigator which comprises a shell with an inner cavity, an upper cover arranged above the shell and rotationally connected with a nozzle and a threaded connecting piece arranged below the shell and detachably connected with a water storage container, and the threaded connecting piece is matched with threads of a bottle opening of a mineral water bottle. A soft package battery, an output motor, a circuit board and a key are arranged in an inner cavity of the shell, the key is electrically connected with the circuit board and penetrates through the inner side and the outer side of the shell, and a water circulation assembly with one end communicated with the nozzle and the other end communicated with the water storage container is arranged in the inner cavity of the shell. A piston assembly driven by the output motor is arranged between the water circulation assembly and the output motor; according to the utility model, a foldable nozzle structure is adopted, a traditional plug-in type pipe body connection mode is abandoned, and the portability is strong; fluid control is achieved by continuously pressing the key, water spraying is stopped after release, and the oral irrigator stops running immediately; the water storage container is in threaded connection, so that a mineral water bottle can be directly mounted easily, conveniently, cleanly and hygienically.
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Description

Technical Field

[0001] This utility model relates to oral irrigators, and more particularly to a portable oral irrigator. Background Technology

[0002] Most mainstream oral irrigators on the market use a non-removable nozzle structure, requiring them to be stored upright or completely detached after use. This open design makes it difficult to meet the needs of portability and storage. Furthermore, common oral irrigators on the market also have the following drawbacks:

[0003] (1) The water tank is designed to be non-removable, which makes it difficult to clean. During long-term use, sediment and dirt will be generated, which can easily form stubborn hygiene dead corners.

[0004] (2) The standard multi-nozzle configuration is a waste of resources. Apart from the single nozzle that is actually used frequently, the other nozzles are easily abandoned after being idle, and long-term storage makes it difficult to avoid the growth of bacteria, which poses a risk of secondary pollution.

[0005] (3) The button operation generally adopts a signal self-locking design. After pressing the button, the water flosser will keep flowing. When the water flosser is running, it needs to be stopped. Blind operation is very likely to trigger other functions, such as the safety hazard of sudden changes in water flow intensity caused by mode switching. Utility Model Content

[0006] To address the shortcomings of the aforementioned technologies, this utility model provides a portable oral irrigator.

[0007] To solve the above technical problems, the technical solution adopted by this utility model is: a portable water flosser, including a shell with an inner cavity, an upper cover disposed on the upper part of the shell and rotatably connected to a nozzle, and a threaded connector built into the lower part of the shell and detachably connected to a water storage container. The threaded connector is also formed in a way that matches the thread of a mineral water bottle. A soft-pack battery, an output motor, a circuit board, and a button electrically connected to the circuit board and passing through the inner and outer sides of the shell are disposed in the inner cavity of the shell. A water flow component is included in the inner cavity of the shell, with one end connected to the nozzle and the other end connected to the water storage container. A piston assembly driven by the output motor is disposed between the water flow component and the output motor.

[0008] Furthermore, the outer surface of the housing forms a clearance area that matches the nozzle, and the outer surface of the housing also has a charging port covered by a protective plug.

[0009] Furthermore, the top cover is detachably connected to the upper end of the housing, and the top cover has a clearance notch that matches the nozzle. The threaded connector is located at the lower end opening of the housing cavity.

[0010] Furthermore, the nozzle's tail end is integrally machined with a rotating shaft that is rotatably connected between the upper cover and the upper end of the housing. The nozzle and the rotating shaft are both provided with a water spray channel, and an adapter connected to its free end is provided on one side of the rotating shaft.

[0011] Furthermore, the inner cavity of the shell is equipped with a main support and a support cover;

[0012] The main bracket is formed in such a way that it secures the output motor located directly above the threaded connector and simultaneously secures the circuit board located above the output motor;

[0013] The bracket cover is threadedly connected to the main bracket to jointly secure the water flow assembly and piston assembly.

[0014] Furthermore, the output motor and the soft-pack battery are adjacent to each other and both are electrically connected to the circuit board. The output shaft of the output motor faces directly upwards, and the free end of the output shaft is provided with a synchronous transmission bevel gear.

[0015] Furthermore, the piston assembly includes a bevel gear eccentric disk that forms a kinematic pair with the bevel gear. An eccentric column extends from the center of the bevel gear eccentric disk and is located directly above the bevel gear. A rotating pin located at the axis of the bevel gear eccentric disk passes through both the bevel gear eccentric disk and the eccentric column. A connecting rod is also sleeved on the outer ring of the eccentric column. The upper free end of the connecting rod is movably connected to the piston that is performing the stroke inside the sleeve. The sleeve is set in a sleeve bracket that is fastened by the main bracket.

[0016] Furthermore, the water flow assembly includes an inlet element located on one side of the sleeve support and in mutual flow, an outlet seal embedded directly above the sleeve support, an outlet element positioned directly above the outlet seal, and the outlet element connected to the adapter via a hose.

[0017] Furthermore, the threaded connector is machined with water suction pipes that run through the upper and lower sides of its top surface. The portion of the water suction pipe above the top surface of the threaded connector is connected to the water inlet element through a hose, and the portion of the water suction pipe below the top surface of the threaded connector extends into the liquid surface of the water storage container through a hose.

[0018] Furthermore, the threaded connector is also machined with vent pipes that run through the top and bottom sides of its top surface, and the vent pipes are connected to the interior of the water storage container via flexible hoses.

[0019] A portable water flosser features a foldable nozzle structure, eliminating the traditional plug-in tube connection method and effectively improving portability. The button controls fluid flow by continuous pressing, and stops water spraying when released, thus immediately stopping the water flosser's operation. The water storage container uses a threaded connection, allowing direct installation of mineral water bottles, making it easy, convenient, clean, and hygienic. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the shell structure.

[0022] Figure 3 Excerpt of the structure of this utility model Figure 1 .

[0023] Figure 4 Excerpt of the structure of this utility model Figure 2 .

[0024] Figure 5 Excerpt of the structure of this utility model Figure 3 .

[0025] Figure 6 Excerpt of the structure of this utility model Figure 4 .

[0026] Figure 7 Excerpt of the structure of this utility model Figure 5 .

[0027] Figure 8 This is a schematic diagram of a threaded connection.

[0028] In the diagram: 1. Housing; 2. Top cover; 3. Threaded connector; 4. Water storage container; 5. Button; 6. Charging port; 7. Nozzle; 8. Rotating shaft; 9. Adapter; 10. Main bracket; 11. Bracket top cover; 12. Soft-pack battery; 13. Output motor; 14. Circuit board; 15. Sleeve bracket; 16. Inlet element; 17. Outlet element; 18. Outlet seal; 19. Sleeve; 20. Piston; 21. Connecting rod; 22. Bevel gear eccentric disc; 23. Rotating pin; 24. Bevel gear; 25. Suction pipe; 26. Vent pipe. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0030] like Figure 1-8 As shown in the figure, this embodiment of a portable water flosser includes a housing 1 with an inner cavity, a top cover 2 disposed above the housing 1 and rotatably connected to a nozzle 7, and a threaded connector 3 built into the lower part of the housing 1 and detachably connected to a water storage container 4. In this embodiment, the housing 1 is the part that the user mainly grips during use, and the nozzle 7 is designed to fold / unfold under external force. Figure 1The image shows the nozzle 7 folded. The threaded connector 3 allows the water storage container 4 to be either a factory-fitted special bottle or a common mineral water bottle. The threaded connector 3 has threads on its inner ring and is designed to match the threads of the mineral water bottle opening. It connects to the external threads of the mineral water bottle opening via its threads, making it convenient, clean, and hygienic. It should be noted that this embodiment does not limit the type of mineral water bottle connected to the threaded connector 3, and those skilled in the art can process the threaded connector 3 in this embodiment to match the external threads of a specified mineral water bottle opening according to actual needs.

[0031] Based on this, such as Figure 3-7 As shown, the inner cavity of the housing 1 houses a soft-pack battery 12, an output motor 13, a circuit board 14, and a button 5 electrically connected to the circuit board 14 and extending through both the inner and outer sides of the housing 1. The inner cavity of the housing 1 includes a water flow assembly with one end connected to the nozzle 7 and the other end connected to the water storage container 4. A piston assembly driven by the output motor 13 is provided between the water flow assembly and the output motor 13. It should be noted that the button 5 in this embodiment is a continuous press trigger type, that is, pressing the button 5 with force activates its corresponding function, and releasing it restores its original position. For example, when the button 5 is the start button, pressing it with force activates the device, and releasing the button 5 stops the portable water flosser disclosed in this embodiment. It can be understood that the specific function of the button 5 can be customized according to market demand, and there is no limit to the number of buttons. It should also be noted that this embodiment uses a piston assembly instead of a traditional water pump, resulting in lower power consumption. The output form of the output motor 13 is to convert the rotational motion of the kinematic pair into a telescopic motion, resulting in smoother motion transmission. The specific implementation is described below.

[0032] like Figure 1-2 As shown, the outer surface of the housing 1 forms a clearance area that matches the nozzle 7. The upper cover 2 is detachably connected to the upper end of the housing 1. The upper cover 2 has a clearance notch that matches the nozzle 7, and it is more portable after folding. The outer surface of the housing 1 also has a charging port 6 covered with a protective plug. The protective plug is used to prevent dust and water from entering the charging port 6. The specific type of the charging port 6 is not limited in this embodiment.

[0033] The nozzle 7 has an integrally machined tail end with a limiting rotatable connection to a rotating shaft 8 between the upper cover 2 and the upper end of the housing 1. This means the nozzle 7 rotates and folds via the rotating shaft 8. To enhance the user experience, a damping seal ring can be installed at the contact point between the upper cover 2 and the upper end of the housing 1 on the rotating shaft 8 to provide damping during rotation. Those skilled in the art can selectively configure this according to actual needs. Furthermore, a water spray channel is shared within both the nozzle 7 and the rotating shaft 8, such as... Figure 3As shown, a connector 9 is provided on one side of the rotating shaft 8, which is connected to its free end. The connector 9 is fixed to the inner surface of the upper cover 2.

[0034] The inner cavity of the housing 1 is equipped with a main support 10 and a support cover 11, such as... Figure 4-5 As shown, the main bracket 10 is formed to fasten the output motor 13 located directly above the threaded connector 3 and simultaneously fasten the circuit board 14 located above the output motor 13. The lower end of the main bracket 10 is threadedly connected to the threaded connecting post provided on the top surface of the threaded connector 3. The bracket cover 11 is threadedly connected to the main bracket 10 to jointly fasten the water flow assembly and the piston assembly.

[0035] The output motor 13 is adjacent to the pouch battery 12 and both are electrically connected. That is, the pouch battery 12 provides power to the output motor 13, and the output shaft of the output motor 13 rotates to drive the bevel gear 24 to rotate.

[0036] Based on this, such as Figure 6-7 As shown, the piston assembly includes a bevel gear eccentric disk 22 that forms a kinematic pair with the bevel gear 24. An eccentric column extends from the bevel gear 24 directly above the bevel gear 22. A rotating pin 23 located at the axis of the bevel gear eccentric disk 22 passes through both the bevel gear eccentric disk 22 and the eccentric column. A connecting rod 21 is also sleeved on the outer ring of the eccentric column. The upper free end of the connecting rod 21 is movably connected to the piston 20, which performs the stroke, located inside the sleeve 19. The sleeve 19 is set in a sleeve bracket 15 that is fastened by the main bracket 10. It can be understood that when the output motor 13 starts and drives the bevel gear 24 to move back to the original position, the bevel gear 24 drives the bevel gear eccentric disk 22 to rotate. Under its eccentric setting, the bevel gear eccentric disk 22 drives the connecting rod 21 to move. In turn, the connecting rod 21 drives the piston 20 to perform the stroke operation inside the sleeve 19. It should be noted that both the upper and lower ends of the sleeve 19 are open.

[0037] The water flow assembly includes an inlet element 16 located on one side of the sleeve bracket 15 and connected to it. An outlet seal 18 is embedded directly above the sleeve bracket 15 and connected to it. An outlet element 17 is located directly above the outlet seal 18 and connected to it. The outlet element 17 is connected to the adapter 9 via a hose (not shown in the figure). Thus, the flow of water in the water flow assembly is clear. Combined with the design of the sleeve 19 located in the sleeve bracket 15, the stroke of the piston assembly achieves the purpose of spraying water.

[0038] In this embodiment, as Figure 3 As shown, the threaded connector 3 is located at the lower end opening of the inner cavity of the housing 1, as... Figure 8As shown, the threaded connector 3 is machined with a water suction pipe 25 that runs through the upper and lower sides of its top surface. The part of the water suction pipe 25 above the top surface of the threaded connector 3 is connected to the water inlet element 16 through a hose (not shown in the figure), and the part of the water suction pipe 25 below the top surface of the threaded connector 3 extends into the liquid surface of the water storage container 4 through a hose (not shown in the figure).

[0039] In addition, the threaded connector 3 is also machined with a ventilation pipe 26 that runs through the top and bottom sides of its top surface. The ventilation pipe 26 is connected to the water storage container 4 through a hose (not shown in the figure), so that the inside of the water storage container 4 is connected to the external atmospheric pressure to prevent the formation of a vacuum during operation.

[0040] This application discloses a portable water flosser, which adopts a foldable nozzle structure, abandoning the traditional plug-in tube connection method, effectively improving portability; the button achieves fluid control by continuous pressing, and stops water spraying when released, that is, the water flosser immediately stops operating; the water storage container adopts a threaded connection, which can directly install mineral water bottles, making it easy, convenient, clean and hygienic.

[0041] The above embodiments are not intended to limit the present utility model, nor is the present utility model limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are also within the protection scope of the present utility model.

Claims

1. A portable waterpik, characterized by: The device includes a housing (1) with an inner cavity, a top cover (2) disposed above the housing (1) and rotatably connected to a nozzle (7), and a threaded connector (3) built into the bottom of the housing (1) and detachably connected to a water storage container (4). The threaded connector (3) is also formed in a way that matches the thread of a mineral water bottle. The inner cavity of the housing (1) is provided with a soft-pack battery (12), an output motor (13), a circuit board (14), and a button (5) electrically connected to the circuit board (14) and passing through the inner and outer sides of the housing (1). The inner cavity of the housing (1) includes a water flow assembly with one end connected to the nozzle (7) and the other end connected to the water storage container (4). A piston assembly driven by the output motor (13) is provided between the water flow assembly and the output motor (13).

2. The portable waterpik of claim 1, wherein: The outer surface of the housing (1) forms a clearance area that matches the nozzle (7), and the outer surface of the housing (1) is also provided with a charging port (6) covered by a protective plug.

3. The portable waterpik of claim 2, wherein: The upper cover (2) is detachably connected to the upper end of the housing (1). The upper cover (2) has a clearance notch that matches the nozzle (7). The threaded connector (3) is located at the lower end opening of the inner cavity of the housing (1).

4. The portable waterpik of claim 3, wherein: The nozzle (7) has a fixed rotating shaft (8) integrally machined at its tail end, which is connected between the upper cover (2) and the upper end of the housing (1). The nozzle (7) and the rotating shaft (8) are provided with a water spray channel. The rotating shaft (8) has an adapter (9) connected to its free end on one side.

5. The portable waterpik of claim 4, wherein: The inner cavity of the housing (1) is provided with a main support (10) and a support cover (11); The main support (10) is formed in such a way that the output motor (13) located directly above the threaded connector (3) is fastened and the circuit board (14) located above the output motor (13) is fastened at the same time; The upper cover (11) of the bracket is threadedly connected to the main bracket (10) to jointly secure the water flow assembly and the piston assembly.

6. The portable waterpik of claim 1, wherein: The output motor (13) is adjacent to the soft-pack battery (12) and both are electrically connected to the circuit board (14). The output shaft of the output motor (13) faces directly upward and the free end of the output shaft is provided with a synchronous transmission bevel gear (24).

7. The portable waterpik of claim 6, wherein: The piston assembly includes a bevel gear eccentric disk (22) that forms a kinematic pair with the bevel gear (24). An eccentric column extends from the center of the bevel gear eccentric disk (22) and is located directly above the bevel gear (24). A rotating pin (23) located at the axis of the bevel gear eccentric disk (22) passes through the bevel gear eccentric disk (22) and its eccentric column. A connecting rod (21) is also sleeved on the outer ring of the eccentric column. The upper free end of the connecting rod (21) is movably connected to the piston (20) that makes a stroke inside the sleeve (19). The sleeve (19) is set in the sleeve bracket (15) that is fastened by the main bracket (10).

8. The portable waterpik of claim 5, wherein: The water flow assembly includes an inlet element (16) located on one side of the sleeve bracket (15) and in mutual flow. An outlet seal (18) is embedded directly above the sleeve bracket (15) and is in mutual flow. An outlet element (17) is provided directly above the outlet seal (18) and is in mutual flow. The outlet element (17) is connected to the adapter (9) through a hose.

9. The portable waterpik of claim 8, wherein: The threaded connector (3) is provided with a water suction pipe (25) that runs through the top and bottom sides of its top surface. The part of the water suction pipe (25) above the top surface of the threaded connector (3) is connected to the water inlet element (16) through a hose. The part of the water suction pipe (25) below the top surface of the threaded connector (3) extends into the liquid surface of the water storage container (4) through a hose.

10. The portable waterpik of claim 9, wherein: The threaded connector (3) is also machined with a ventilation pipe (26) that runs through the top and bottom sides of its top surface. The ventilation pipe (26) is connected to the interior of the water storage container (4) through a hose.