Exhaust fan mounting structure of single sound box

• Main Author: LI WUNAN
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2022
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

An exhaust fan installation structure of a single sound box comprises a panel, one side of the panel is provided with a cavity used for installing a Bluetooth sound box shell, a positioning column is arranged in the cavity, a hollow elastic piece is arranged on the positioning column in a sleeved mode, the Bluetooth sound box shell is provided with a limiting groove, and the elastic piece is located in the limiting groove. A limiting boss with an annular opening is arranged on the inner side of the limiting groove, and the limiting boss is clamped in an annular positioning groove located in the middle of the elastic piece. The elastic piece is of a structure with the narrow middle and the two wide sides, the cross section of the elastic piece is in an I shape, the cross section of the limiting boss is in a C shape, and the maximum diameter of an opening of the limiting boss is smaller than the minimum diameter of the middle of the elastic piece. The utility model has the characteristic of good stability. 一种单音