Sound box

• Main Authors: JI LEI, LIU JUN, DENG AORAN, DING ZHENGQUAN
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

The invention discloses a sound box. The sound box comprises a middle frame and a rear shell, the rear shell comprises a hard rubber part and a soft rubber part, the hard rubber part comprises a main cover plate and a limiting frame, the main cover plate comprises a first surface and a second surface which are opposite, the limiting frame surrounds the edge of the main cover plate and is close to the first surface, the soft rubber part comprises a first soft rubber layer, and the first soft rubber layer covers the side, close to the second side face, of the limiting frame; the distance between the side, away from the limiting frame, of the first soft rubber layer and the first surface is smaller than the distance between the second surface and the first surface, and the hard rubber part and the soft rubber part are integrally formed through double-shot molding. The middle frame is provided with an inner cavity and an assembly opening communicated with the inner cavity, the assembly opening is provided with an