Rain gauge with impurity filtering structure

The rain gauge with the impurity filtering structure comprises an outer sleeve, a water storage bottle and a funnel, a limiting ring is arranged at the inner bottom of the outer sleeve, the water storage bottle is placed in the middle of the limiting ring in a butt joint mode, a water container is arranged above the outer sleeve, the inner wall of the water container is connected with the funnel, and the funnel is connected with the water storage bottle. A filtering assembly is arranged on the upper portion of the inner wall of the water container and comprises a limiting groove, a filtering bag, a connecting base, a movable block, a limiting base, a connecting rod and a first spring, the limiting groove is formed in the outer wall of the water container, and the filtering bag is arranged on the upper portion of the inner wall, close to the funnel, of the water container. According to the rain gauge with the impurity filtering structure, rainwater flows into the funnel after passing through the filtering bag,