Multifunctional negative-pressure-free water storage tank for secondary water supply

The utility model discloses a multifunctional non-negative pressure water storage tank for secondary water supply. The water storage tank comprises a tank body, a water inlet formed in the top of thetank body and a water outlet formed in the bottom of the tank body, the lower portion of the water inlet is connected with a filter barrel through an installation assembly, the filter barrel is vertically installed in an inner cavity of the tank body, the filter barrel penetrates through the bottom of the tank body and is provided with an impurity outlet, filtering and impurity discharging can beachieved, the service life of the water storage tank can be protected, and the water use safety of a user can also be protected. 本实用新型公开了一种多功能二次供水用无负压储水罐，包括有罐体、设置在所述罐体顶部的进水口和设置在所述罐体底部的出水口，所述进水口的下方通过安装组件连接有滤桶，所述滤桶竖直安装在所述罐体的内腔，且所述滤桶贯穿所述罐体的底部并设置有出杂口，能够实现过滤排杂，既能保护储水罐的使用寿命，也能够保护用户的用水安全。