| CPC A47C 7/021 (2013.01) [A47C 7/727 (2018.08); A47C 27/14 (2013.01)] | 8 Claims |
|
1. A cushion, comprising:
a cover (1), a soft core (2), a power supply unit, a sounder (5), an inner frame (7) and a luminescent strip (4),
wherein the cover (1) wraps the soft core (2), the sounder (5) is arranged in the soft core (2), and the luminescent strip (4) is arranged inside a margin edge strip and/or a decorative edge of a side of the cover (1) and powered by the power supply unit;
the inner frame (7) is placed in the soft core (2) of the cushion, an interior of the inner frame (7) is provided with a cavity, the cavity is provided with a sounder (5), the cavity is provided with sound holes (701) on a side facing a leaning surface of the cushion, bottoms of the sound holes (701) penetrate into the cavity of the inner frame (7), a sound direction of the sounder (5) is perpendicular to directions of the sound holes (701), and the sound of the sounder (5) is vertically emitted from the sound holes (701) after multiple lateral reflections on a side wall of the cavity;
a top surface of the inner frame (7) is provided with a plurality of annular grooves (70), and the sound holes (701) are arranged inside the annular grooves (70);
the top surface of the inner frame (7) is further provided with at least two straight grooves (71) arranged in “X” shape, and the plurality of the annular grooves (70) are divided into at least four areas by the straight grooves (71), each area is an independent broadcasting zone (72);
the cavity of the inner frame (7) is provided with partition plates (73) that match positions of the straight grooves (71), the partition plates divide the cavity into broadcasting chambers (74) that match the broadcasting zones (72), and the sounder (5) is positioned in a middle of the four broadcasting chambers (74) and plays sound to the four broadcasting chambers (74).
|