Shutter device and ventilation device

Abstract

Durability of a shutter device and a ventilation device is improved. Shutter device (1) includes window member (2) partially including vent (20), opening and closing member (3) that opens and closes vent (20), elastic body (4) located between window member (2) and opening and closing member 3, and moving mechanism (5) that moves opening and closing member (3) between a closed position where opening and closing member (3) closes vent (20) and open position where opening and closing member (3) opens vent (20). Moving mechanism (5) includes driving motor (6) that includes an output shaft connected to opening and closing member (3) and rotates opening and closing member (3), and an advancing and retracting mechanism that advances and retracts opening and closing member (3) with respect to window member (2). Moving mechanism (5) moves opening and closing member (3) in a manner that opening and closing member (3) at the closed position presses against a peripheral edge portion of vent (20) of window member (2) with elastic body (4) interposed between opening and closing member (3) and the peripheral edge portions to close vent (20). The ventilation device includes shutter device (1) and a blower that sends air to shutter device (1).

1 . A shutter device comprising:
 a window member partially including a vent;   an opening and closing member that opens and closes the vent;   an elastic body located between the window member and the opening and closing member; and   a moving mechanism that moves the opening and closing member between a closed position where the opening and closing member closes the vent and an open position where the opening and closing member opens the vent,   wherein the moving mechanism includes:
 a driving motor that includes an output shaft connected to the opening and closing member and rotates the opening and closing member; and 
 an advancing and retracting mechanism that advances and retracts the opening and closing member with respect to the window member, and 
   the moving mechanism moves the opening and closing member in a manner that the opening and closing member at the closed position presses against a peripheral edge portion of the vent of the window member with the elastic body interposed between the opening and closing member and the peripheral edge portion to close the vent.   
     
     
         2 . The shutter device according to  claim 1 , wherein
 the moving mechanism moves the opening and closing member in a manner that the opening and closing member at the open position is located away from the elastic body.   
     
     
         3 . The shutter device according to  claim 1 , wherein
 the opening and closing member includes a rotating shaft connected to the output shaft of the driving motor,   the rotating shaft includes a contact protruding in a direction intersecting a direction along a central axis of the rotating shaft,   the advancing and retracting mechanism includes a cam having a tubular shape and including a guide surface against which the contact abuts,   a part of the guide surface includes a protrusion protruding toward the window member, and   the opening and closing member is disposed at the closed position by the contact riding on the protrusion.   
     
     
         4 . The shutter device according to  claim 3 , wherein
 the protrusion of the guide surface has a curved surface curved in an arc shape.   
     
     
         5 . The shutter device according to  claim 3 , wherein
 the rotating shaft includes a pair of the contacts each being the contact, and the pair of the contacts protrude in directions opposite to each other,   the guide surface includes a pair of the protrusions each being the protrusion, and   the opening and closing member is disposed at the closed position by the pair of the contacts each riding on the pair of the protrusions.   
     
     
         6 . The shutter device according to  claim 3 , wherein
 the advancing and retracting mechanism further includes a biasing portion that biases the rotating shaft toward the cam.   
     
     
         7 . The shutter device according to  claim 1 , further comprising a controller that controls rotation of the driving motor, wherein
 the controller has:
 a first control mode of moving the opening and closing member from the open position to the closed position by rotating the output shaft in one direction; and 
 a second control mode of moving the opening and closing member from the open position to the closed position by rotating the output shaft in a direction opposite to the one direction, and 
   the controller alternately performs the first control mode and the second control mode.   
     
     
         8 . A ventilation device comprising:
 shutter device according to  claim 1 ; and   a blower that sends air to the shutter device.