Loudspeaker, has catches evenly distributed and arranged at boundary rail, where loudspeaker is provided with swivel pin at its both sides, with which loudspeaker is rotatably connected with bearing support

摘要

The loudspeaker has a disk (2) inserted into the mounting hole (11) of a positioning frame (1). A set of catches (321) is evenly distributed and arranged at a boundary rail (32), and a stop (33) is arranged at both ends of a tooth rail (31). The loudspeaker is provided with a swivel pin at its both sides, with which the loudspeaker (3) is rotatably connected with a bearing support (28).