drainage device

By employing actuator elements arranged side-by-side with the outflow pipe and a lateral design for the overflow unit in the drainage device, the conflict between compactness and hydraulic outflow performance is resolved, achieving efficient hydraulic outflow and low flow loss within a compact space, suitable for emergency overflow functions.

CN113669460BActive Publication Date: 2026-06-05GEBERIT HLDG AG SWITZERLAND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GEBERIT HLDG AG SWITZERLAND
Filing Date
2021-05-11
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing drainage devices conflict with compactness and hydraulic outflow performance, making it difficult to achieve good hydraulic outflow performance in a compact installation space, especially with significant flow loss during emergency overflow functions.

Method used

A drainage device was designed, which uses actuator elements arranged side by side with the outflow pipe. The central axis of the outflow pipe is at a certain angle to the first central axis to reduce turning. Combined with the lateral arrangement of the overflow unit, the structural space is optimized to reduce turning and flow loss.

Benefits of technology

It achieves good hydraulic outflow performance in a compact installation space, reduces flow loss, is suitable for emergency overflow functions, and lowers the structural height of the drainage device.

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    Figure CN113669460B_ABST
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Abstract

A drain device for connection to sanitary ware, comprising a drain valve housing having a first channel section with an inlet opening, having a second channel section with an outlet opening, and having a valve seat located between the inlet opening and the outlet opening, a valve body which is movable from a closed position into an open position from the valve seat, an actuating unit by means of which the valve body is movable, and a flow-off pipe into which the second channel section opens through the outlet opening, wherein a first central axis extends centrally through the first channel section, a flow-off pipe central axis extends centrally through the flow-off pipe, wherein the flow-off pipe central axis intersects the first central axis or is at a distance from the first central axis, wherein the distance is at most half the diameter of the outlet opening, and wherein the actuating unit has an actuating lever which acts on the valve body and an actuator element for actuating the actuating lever, wherein the actuator element extends at least in a section laterally alongside the flow-off pipe.
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