Miniature loudspeaker convenient to assemble

The utility model relates to the technical field of micro loudspeakers. The utility model discloses a miniature loudspeaker convenient to assemble. The loudspeaker comprises a rear cover, magnetic steel, a voice coil, a central pole piece, an annular pole piece, a bracket, a voice diaphragm, an upper cover and a lug plate, the magnetic steel is arranged on the upper end surface of the rear cover;the voice coil wraps the peripheral wall of the magnetic steel. The bracket is arranged on the upper end surface of the rear cover; a first groove is formed in the middle of the bracket; the annular pole piece is embedded in the first groove; the voice coil is embedded in the annular pole piece; the central pole piece covers the upper end face of the voice coil, the voice diaphragms cover the central pole piece at intervals, a second groove is formed in the middle of the upper cover in a concave mode, the voice diaphragms are embedded in the second groove, the upper cover detachably covers theupper end face of the sup