一种入墙式下水器

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By installing a combination of switch control unit and drain cover actuator on the wall, the hygiene problems and structural complexity caused by manual operation of bathtub and tub drain covers are solved, realizing an in-wall drain design with automatic control and convenient maintenance.

CN224514337UActive Publication Date: 2026-07-17JIANGMEN GAOYEDUN DECORATION MATERIALS CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: JIANGMEN GAOYEDUN DECORATION MATERIALS CO LTD
Filing Date: 2025-07-11
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

The existing drain covers for bathtubs and basins require manual operation, which leads to hygiene problems. Furthermore, placing the switch on the faucet increases structural complexity and maintenance difficulty, resulting in wasted resources.

Method used

Design a wall-mounted drain device that installs the switch control unit on the wall and automatically controls the opening and closing of the drain cover through connecting wires and the drain cover actuator. The device includes a combination structure of a mounting box, a connecting sleeve, a switch handle, and a hinge joint.

Benefits of technology

It achieves automatic control without direct contact with the drain cover, simplifies the maintenance process, avoids resource waste, and improves hygiene and ease of maintenance.

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Abstract

本实用新型提供了一种入墙式下水器，包括开关控制部、连接线件、排水盖执行部，开关控制部包括安装盒、连接套筒、开关转柄，连接套筒与安装盒固定连接，安装盒内的内限位板设有第一卡口，开关转柄的内连接端活动穿过连接套筒以伸入安装盒内，开关转柄内连接端的连接板固定有偏心轴，连接线件一端通过安装套活动连接有铰接头，铰接头通过摆板与偏心轴铰接，安装套穿过安装盒，安装套的卡接凹槽与第一卡口相互卡合连接线件的线芯穿过安装套与铰接头连接，排水盖执行部包括安装套筒、排水盖，安装套筒安装有可顶起排水盖的顶推摆件，相比于现有技术，本实用新型将下水器的开关控制部设于墙体上，既不影响使用，也便于维护开关控制部。

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Claims

1. A flush-to-wall type drain, comprising a switch control part (1), a connecting line member (2), and a drain cover execution part (3), characterized in that: The switch control unit (1) includes a mounting box (11), a connecting sleeve (12), and a switch handle (13). The connecting sleeve (12) is fixedly connected to the mounting box (11). An inner limiting plate (111) is installed inside the mounting box (11). The inner limiting plate (111) has a first bayonet (1111). The inner connecting end of the switch handle (13) moves through the connecting sleeve (12) to extend into the mounting box (11). A connecting plate (131) is fixed to the inner connecting end of the switch handle (13). One end of the connecting wire (2) is movably connected to a hinge joint (21) through a mounting sleeve (22). The mounting sleeve (22) passes through the mounting box (11). A swing plate (211) is hinged to the swing plate (211) and connected to an eccentric shaft (1311) on the connecting plate (131) through the swing plate (211). The mounting sleeve (22) is hinged and has a snap-fit groove (221) that engages with the first snap-fit (1111). The core of the connecting wire (2) passes through the mounting sleeve (22) and is connected to the hinge joint (21). The drain cover execution part (3) includes a mounting sleeve (31) connected to the drain outlet and a drain cover (32) movably mounted on the top of the mounting sleeve (31). The mounting sleeve (31) is rotatably mounted with a push-up swing member (33). The connecting end of the push-up swing member (33) passes through the mounting sleeve (31) and is hinged to the other end of the connecting wire (2). The swing rod end of the push-up swing member (33) extends into the inner cavity of the mounting sleeve (31) and is fixed with a swing rod (331). The bottom of the drain cover (32) is fixed with a pin (321). The swing rod (331) can movably push against the pin (321).

2. The in-wall disposer of claim 1, wherein: The connecting sleeve (12) includes an outer threaded sleeve (121) and an inner threaded sleeve (122). The mounting box (11) is installed on the inner side of the wall. The inner threaded sleeve (122) passes through the wall and is fixedly connected to the mounting box (11). The outer threaded sleeve (121) has a connecting cavity (1211) that is threadedly connected to the outer surface of the inner threaded sleeve (122). The bottom of the connecting cavity (1211) has a through countersunk hole (1212). The switch handle (13) moves through the countersunk hole (1212), the connecting cavity (1211), and the wall and extends into the mounting box (11).

3. The under-the-sink wall mount of claim 2, wherein: The switch control unit (1) also includes an outer limit plate (14), which is externally screwed to the outer screw sleeve (121). The outer connection end of the switch handle (13) is engaged with a switch handle sleeve (132). The outer limit plate (14) is located between the wall and the switch handle sleeve (132). A sealing ring is also fixed on the inner side of the outer limit plate (14).

4. The in-wall disposer of claim 1, wherein: The inner limiting plate (111) is L-shaped. The horizontal side plate of the inner limiting plate (111) is provided with the first bayonet (1111), and the vertical side plate of the inner limiting plate (111) is provided with the second bayonet (1112). The inner connecting end of the switch handle (13) passes through the second bayonet (1112), and the periphery of the second bayonet (1112) is provided with screw holes for connecting the connecting sleeve (12).

5. The in-wall disposer of claim 1, wherein: The drain cover actuator (3) has a connecting ear (311) on the outside of the mounting sleeve (31). The connecting ear (311) is screwed to a piston seat (312). A piston (3121) is slidably connected in the mounting groove of the piston seat (312). The other end of the connecting wire (2) is connected to the piston seat (312). The core of the connecting wire (2) passes through the inner cavity of the piston seat (312). One end of the piston (3121) passes through the inner cavity of the piston seat (312) and is connected to the core. The connecting end of the pusher (33) on the mounting sleeve (31) is fixed with a rocker arm (332). The rocker arm (332) is hinged to the piston (3121).

6. The under-the-sink wall mount of claim 5, wherein: The bottom of the mounting sleeve (31) is connected to the drain pipe, and a sealing ring (4) is installed on the top of the mounting sleeve (31). A positioning ring frame (313) is also provided inside the mounting sleeve (31). The swing rod end of the pusher (33) is located below the positioning ring frame (313). The pin (321) at the bottom of the drain cover (32) passes through the positioning ring frame (313) and movably abuts against the swing rod (331) at the swing rod end of the pusher (33).

7. The under-the-sink wall mount of claim 5, wherein: The drain cover actuator (3) further includes a height adjustment assembly, which includes an inner mounting sleeve (34) and an adjusting stud (35). The inner mounting sleeve (34) is screwed into the inner cavity of the mounting sleeve (31). An adjusting positioning screw ring (341) is provided in the inner cavity of the inner mounting sleeve (34). The adjusting stud (35) is movably screwed into the adjusting positioning screw ring (341). The pin (321) at the bottom of the drain cover (32) passes through the adjusting stud. (35) and connected to a limiting block (3211), the limiting block (3211) and the bottom of the adjusting stud (35) are in movable contact. The inner mounting sleeve (34) is also movably covered with a sealing gasket (342), the sealing gasket (342) abuts against the top edge of the mounting sleeve (31), the top edge of the inner mounting sleeve (34) and the top edge of the mounting sleeve (31) cooperate with each other to install the drain cover actuator (3) at the drain outlet.