Full-band and ultrahigh-frequency loudspeaker diaphragm

The utility model relates to the technical field of loudspeaker vibrating diaphragms. The utility model relates to a loudspeaker diaphragm, in particular to a full-band and ultrahigh-frequency loudspeaker diaphragm. The vibrating plate comprises a vibrating plate body, a vibrating plate folding ring and a voice coil, the voice coil is located at the bottom of the vibrating plate body and covered with a buckled dustproof cap, the vibrating plate folding ring is located on the upper portion of the vibrating plate body, the vibrating plate folding ring and the vibrating plate body are matched with each other, and a folding angle is added to the joint of the inner edge of the vibrating plate folding ring and the vibrating plate body. According to the utility model, the sound wave reflection principle is utilized, and the bevel is added at the joint of the inner edge of the folded ring of the vibrating plate and the vibrating plate body, so that the strength of the cone body of the cone canbe greatly enhanced, and