Vehicle tail gas filtering and purifying device

The utility model discloses a vehicle tail gas filtering and purifying device. Filtration and purification device shell, a buffer shock absorption gasket is arranged on the inner surface of the filtering and purifying device shell; a buffer spring is arranged in the buffer damping gasket; damping bent springs are arranged in the two sides of the buffering and damping gasket correspondingly. A catalyst carrier is arranged on the inner surface of the buffering and damping gasket, a waste gas inlet pipe is fixedly connected to the outer surface of one end of the filtering and purifying device shell, a heating ring is fixedly mounted on the inner surface of the middle of the waste gas inlet pipe, and a fixed mounting ring is fixedly mounted on the outer surface of the middle of the waste gas inlet pipe. The vehicle tail gas filtering and purifying device is provided with the buffering and damping gasket, the non-contact temperature detector and the heating ring, can protect an internal catalyst carrier, can measu