Security filter with waterproof hammer function

The utility model discloses a security filter with a water hammer prevention function, which comprises a barrel, a first baffle, a second baffle and a third baffle are arranged in the barrel, one side of the first baffle is a water inlet end cavity, and the internal space of the water inlet end cavity is an energy absorption area with a pressure stabilization function; one side of the second baffle is a security filtering area, a third baffle is horizontally arranged between the first baffle and the second baffle, a plurality of flow guide holes are formed in the upper parts of the first baffle and the second baffle above the third baffle, and the bottom surface of the third baffle, the first baffle and the second baffle form a space which is a water producing area. According to the utility model, the energy absorption area with a gas pressure stabilizing function is applied to the cavity of the security filter, so that the occupied area of equipment is reduced, and the integrated installation of a membrane d