Dielectric filter

The utility model discloses a dielectric filter. The dielectric filter comprises a body, a cover body, an adjusting member and a resonance member. The body is provided with an accommodating cavity, and the cover body covers the accommodating cavity. The cover body is provided with a through hole, and the through hole is communicated with the containing cavity. And the adjusting piece is rotationally matched with the hole wall of the through hole. The resonance part is fixedly arranged on the bottom wall of the containing cavity, a medium spring washer is arranged between the resonance part and the adjusting part, and the two ends of the medium spring washer make contact with the resonance part and the adjusting part respectively. Through the arrangement, under the condition that the cover body is not opened, the resonance piece in the accommodating cavity is maintained, and the operation is simple and convenient. 本实用新型揭示了一种介质滤波器，所述介质滤波器包括本体、盖体、调节件以及谐振件。所述本体具有收容腔，所述盖体覆盖所述收容腔。所述盖体设有通孔，所述通孔与所述收容腔连通。所述调节件与所述通孔的孔壁