Patent ID: 7798424

Claim:
An automatic air freshener spraying device ( 10 ), comprising a front cover ( 11 ), a base ( 12 ), two air freshener bottles ( 13 ) and a press driving device, wherein: the front cover ( 11 ) is a hollow frame; the base ( 12 ) is a hollow frame, having the two air freshener bottles ( 13 ) contained at the bottom in the base ( 12 ) and a nozzle ( 14 ) disposed at the top of each air freshener bottle ( 13 ); the press driving device comprises a fixing plate ( 2 ), a motor ( 3 ), a driving gear ( 31 ), a plurality of large gears, a plurality of small gears and a large fan-shaped gear ( 4 ), and the fixing plate ( 2 ) is a polygonal plate having a circular hole ( 21 ) separately disposed at corners, and the fixing plate ( 2 ) includes a plurality of camshafts for positioning a gear set, and the motor ( 3 ) is coupled to a side of the fixing plate ( 2 ), and a transmission shaft ( 30 ) of the motor ( 3 ) is passed through the driving gear ( 31 ), and a camshaft ( 23 ) is passed through a small gear ( 33 ) and a large gear ( 32 ), and the large gear ( 32 ) is engaged with the driving gear ( 31 ), and a camshaft ( 24 ) is passed through a small gear ( 35 ) and a large gear ( 34 ), and the large gear ( 34 ) is engaged with the small gear ( 33 ), and a camshaft ( 25 ) is passed through a small gear ( 37 ) and a large gear ( 36 ), and the large gear ( 36 ) is engaged with the small gear ( 35 ), and the large fan-shaped gear ( 4 ) includes a protruding member ( 43 ) disposed at the bottom of a left side and a protruding member ( 44 ) disposed at the bottom of a right side, and the large fan-shaped gear ( 4 ) is pivotally coupled to a camshaft ( 22 ) by a shaft sleeve ( 41 ), and an arc gear rack ( 42 ) of the large fan-shaped gear ( 4 ) is engaged with the small gear ( 37 ) to rotatively displace the large fan-shaped gear ( 4 ) responsive to rotation of the small gear 37 , and the fixing plate ( 2 ) is screwed to the top of the base ( 12 ) by securing the fixing screw ( 15 ) into the circular hole ( 21 ), and the front cover ( 11 ) is covered onto the exterior of the base ( 12 ) and integrally coupled with the base ( 12 ).