Collecting net for filtering weed seeds

The utility model discloses a collecting net for filtering weed seeds, which comprises a filter screen, a support ring and a collecting net, the filter screen is fixedly mounted on the support ring, the collecting net is detachably connected to the support ring through a retaining ring, a closed collecting space is formed by the collecting net and the filter screen, and the collecting net is fixedly mounted on the support ring. And the collecting net adopts a fine net bag structure. The device is simple in structure, convenient to use and capable of effectively preventing weed seeds from spreading to farmland through water flow. 本实用新型公开了一种过滤杂草种子收集网，包括：过滤网、支撑环、收集网，所述过滤网固定安装在支撑环上，所述收集网通过扣环可拆卸的方式连接在支撑环上，所述收集网与过滤网形成一个封闭的收集空间，并且收集网采用细密的网袋结构。本实用新型结构简单、使用方便，能有效阻止杂草种子通过水流传播到农田。