一种冲牙器的动力管道连接系统

By optimizing the fluid path of the water flosser through a bottom-mounted motor layout and parallel output pipe design, the issues of sealing and user comfort are resolved, achieving a balance between compact structure and high performance, and improving the user experience.

CN224505637UActive Publication Date: 2026-07-17SHENZHEN BAOFENGTONG ELECTRICAL APPLIANCES MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN BAOFENGTONG ELECTRICAL APPLIANCES MFG CO LTD
Filing Date
2025-07-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing motor layout of oral irrigators makes it difficult to balance structural compactness, sealing reliability, and ergonomics, resulting in sealing problems and user wrist fatigue.

Method used

By adopting a bottom-mounted motor layout and parallel output pipeline design, and through the optimized arrangement of drive channels, negative pressure channels and confluence channels, combined with unidirectional components and diaphragm pump components, it achieves efficient fluid path and negative pressure adsorption output, lowers the center of gravity, and reduces sealing requirements and axial dimensions.

Benefits of technology

It improves grip stability and comfort, reduces sealing requirements, reduces vibration and output torque, enhances the user experience, and achieves a balance between miniaturization and high performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型涉及一种冲牙器的动力管道连接系统,涉及冲牙器领域。包括进水管道、水压输出组件以及清水腔,水压输出组件安装于清水腔下方,水压输出组件一侧和清水腔下方连通有所述进水管道;水压输出组件包括驱动通道,进水管道包括负压通道和和合流通道,通过负压通道连通清水腔,负压通道内设有第一单向组件,合流通道一端连通于驱动通道与负压通道的汇流处,合流通道内设有第二单向组件;驱动通道的动力驱使合流通道向外出水且在汇流处形成负压,通过第一单向组件促使负压通道导入清水腔的水体。本实用新型下置的水压输出组件节省了握持侧部的空间,减少了向上输出水流对水压输出组件一侧的冲击应力,提高产品使用体验。
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Claims

1. A power pipe connection system for a dental flosser, comprising a water inlet pipe, a water pressure output component, and a clean water chamber, characterized in that, The water pressure output component is installed below the clear water chamber, and the water inlet pipe is connected to one side of the water pressure output component and the bottom of the clear water chamber. The water pressure output component includes a drive channel, and the water inlet pipe includes a negative pressure channel and a confluence channel. The water pressure output component is connected through the drive channel to provide water inlet power, and the clear water chamber is connected through the negative pressure channel. A first one-way component is provided in the negative pressure channel. One end of the confluence channel is connected to the confluence of the drive channel and the negative pressure channel, and a second one-way component is provided in the confluence channel. The driving channel's power drives the confluence channel to release water and creates negative pressure at the confluence point. The first unidirectional component then prompts the negative pressure channel to introduce water into the clear water chamber.

2. A power conduit connection system for an oral irrigator according to claim 1, wherein, The inlet pipe is connected to the return pipe and the outlet pipe respectively. The return pipe is used to control the return flow of the maximum water pressure in the outlet pipe. The inlet pipe includes a first intersecting pipe in the vertical direction and a first horizontal section in the horizontal direction. The return pipe includes a second intersecting pipe in the vertical direction and a second horizontal section in the horizontal direction. The first intersecting pipe and the second intersecting pipe run parallel to each other. The height of the first horizontal section is lower than that of the second horizontal section.

3. The power pipe connection system for a dental flosser according to claim 2, characterized in that, The water inlet pipe is provided with an inlet end connected to the clear water chamber. The inlet end extends downward and is connected to a first horizontal part that extends to one side. The return pipe is provided with a return end connected to the bottom of the clear water chamber. The return end is obliquely avoided on one side of the water inlet pipe. The return end extends downward and is connected to a second horizontal part that smoothly transitions to one side of the end of the first horizontal part.

4. The power pipe connection system for a dental flosser according to claim 3, characterized in that, The first horizontal section has a first horizontal conveying distance L1 from the main inlet end to the confluence channel, and the second horizontal section has a second horizontal conveying distance L2 from the return end to its end, where L1=L2.

5. The power pipe connection system for a dental flosser according to claim 3, characterized in that, The center line connecting the inlet and outlet ends is used to form a positioning line, which forms an angle of 30-60° with the width direction of the clear water chamber.

6. The power pipe connection system for a dental flosser according to claim 2, characterized in that, The first horizontal section includes: a water inlet area and a negative pressure area with different diameters connected by a cylindrical channel. A first vertical section is provided on one side of the water inlet area, which is connected to the clear water chamber. The first unidirectional component includes a sliding member coaxial with the cylindrical channel. The sliding member includes a spherical end. A spherical opening corresponding to the spherical end is provided on the other side of the water inlet area. An elastic mechanism that abuts against the sliding member is provided on one side of the outlet of the negative pressure area for elastically closing the spherical opening.

7. A power conduit connection system for an oral irrigator according to claim 6, wherein, The elastic mechanism includes a semi-circular spring sheet installed inside the outlet of the negative pressure zone.

8. A power conduit connection system for an oral irrigator according to claim 1, wherein, There is a first distance on the horizontal plane between the inlet of the merging channel and the inlet of the negative pressure channel, and a second distance between the inlet of the merging channel and the outlet of the drive channel. The first distance is 1.2 to 2 times the second distance.

9. A power conduit connection system for an oral irrigator according to claim 1, wherein, The second unidirectional component includes: One-way passage: runs through the axial direction of the one-way valve body and connects to the outlet pipe; Fixed post: Installed at the end of the one-way channel, with a spring connected downwards on one side; Spherical closure: It has an arc-shaped structure, and the inlet diameter of the unidirectional channel is smaller than the diameter of the spherical closure.

10. A power conduit connection system for an oral irrigator according to claim 1, wherein, A merging drive is provided, which includes the drive channel, the negative pressure channel and the merging channel. The merging drive also includes a first fixing screw hole, a second fixing screw hole and a third fixing screw hole. The first fixing screw hole and the second fixing screw hole are symmetrically installed on both sides of the water outlet channel, and the third fixing screw hole is installed below the inlet of the negative pressure channel.