Small -size initial rainwater discarding case

The utility model aims at providing a small -size initial rainwater discarding case for solve the rainwater and collect the problem of utilizing initial rainwater discarding in the system. The beneficial effects of the utility model are that simple structure, be convenient for preparation and installation, running gear is reliable, and the operation is stable, easy to maintain, small in size can adopt multiple mounting meanss such as wall -hanging, embedded, console mode, a class initial stage rainwater can be abandoned automatically, manual operation is need not, abandon class rainwater and collection and utilize and have air gap between the rainwater, guarantee to abandon class rainwater and can not pollute and collect the quality of water of utilizing the rainwater, whole low in cost easily popularizes and applies. 本实用新型的目的是提供种小型初期雨水弃流箱，用以解决雨水收集利用系统中初期雨水弃流的问题。本实用新型的有益效果为结构简单，便于制作和安装；运行机构可靠，运行稳定，易于维护；体积小巧，可采用壁挂式、嵌入式、落地式等多种安装方式；能够自动弃流初期雨水，无需人工操作；弃流雨水与收集利用雨水之间有空气间隔，保证弃流雨水不会污染收集利用雨水的水质；整体造价低廉，易于推广应用。