Reflux to impact resistant silencer device

The utility model relates to a reflux to impact resistant silencer device which comprises a silencing barrel body. A left end cap and a right end cap are mounted at two ends of the silencing barrel body, a front partition and a rear partition are mounted in the silencing barrel body and divide the inside of the silencing barrel body into three cavities including a first cavity, a second cavity and a third cavity, the outer edge of the front partition is connected with the inner wall of the silencing barrel body, the front partition is provided with two core pipe mounting holes, the outer edge of the rear partition is connected with the inner wall of the silencing barrel body, and the rear partition is provided with two core pipe mounting holes; a first core pipe penetrates the front partition, two ports of the first core pipe are communicated with the first cavity and the second cavity respectively, a second core pipe penetrates the rear partition, two ports of the second core pipe are communicated with the second cavity and the third cavity respectively, a third core pipe penetrates the front partition and the rear partition at the same time, two ports of the third core pipe are communicated with the first cavity and the third cavity respectively, an air incoming pipe penetrates a lower-end opening of the silencing barrel body and is communicated with the first cavity, and an air exhausting pipe penetrates an upper-end opening of the silencing barrel body and is communicated with the second cavity. The reflux to impact resistant silencer device is compact in structure and reasonable in design, and engine ignition frequency can be effectively reduced.