Rainwater collecting device for roof greening

CN224267703UActive Publication Date: 2026-05-26张洋子筠
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
张洋子筠
Filing Date
2025-07-09
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing equipment cannot easily collect excessive rainwater in rooftop greening, leading to water waste, and it cannot effectively filter rainwater and recycle water, affecting plant survival rates.

Method used

A rainwater collection device was designed, comprising a water storage tank, a water collection tank, a greening box, and a filtration mechanism. The device achieves preliminary filtration of rainwater through a combination of filter plates and a frame, and uses a liquid pump to realize the circulation, storage, and distribution of water, ensuring a stable water supply in the greening box. The device also improves water resource utilization through the greening trough and return trough structure.

Benefits of technology

It enables automatic collection and recycling of rainwater, preventing water waste, improving plant survival rates, and ensuring a stable supply and efficient utilization of water for greening.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224267703U_ABST
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Abstract

This utility model discloses a rainwater collection device for rooftop greening, relating to the field of rainwater collection technology. It includes a water storage tank, a collection tank on the right side of the water storage tank, and greening boxes at the front and rear tops of the collection tank. Support rails are provided on the left and right inner walls of the water storage tank. A spraying mechanism is provided on the top of the greening box. A second liquid pump is provided on the left side of the bottom of the water storage tank. A filter plate is slidably installed inside the support rails, and a baffle is fixedly installed on the front side of the filter plate. A frame is provided on the front side of the water storage tank, and two sets of frames are provided. By setting up the water storage tank, the collection tank, and the return pipe connecting them and the second liquid pump, the device achieves automatic collection and circulating storage of water overflowing from the greening box. When the water level in the greening box is too high, excess water flows into the collection tank through the connecting pipe and is then pumped back to the water storage tank by the second liquid pump, effectively avoiding water waste and ensuring the continuous and stable operation of the irrigation system.
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