Underground channel entrance manger plate shutter door

The utility model discloses an underground channel entrance manger plate shutter door, including two scroll box, be provided with the spool among the scroll box, the gate flap contracts on the spool, two relative one sides of scroll box all are provided with the gate flap export, be provided with horizontal guide rail between two scroll box's gate flap export, horizontal guide rail has recess and top and ground and flushes, there is the apron on horizontal guide rail upper portion, insert in horizontal guide rail groove the bottom of gate flap, the gate flap tip that exposes horizontal guide rail groove's vertical direction is provided with the pulling -on piece, be provided with a plurality of bolt holes on the pulling -on piece, through stimulateeing both sides gate flap pulling -on piece to the centre, with bolt fixing with pulling -on piece assorted stagnant water piece two pulling -on pieces and other configuration, make two door lobate shaped become a fluid -tight combination gate. The utility model dis