Patent ID: 8387309

Claim:
A waterproof gate, comprising: a door frame; two side rails mounted on two opposite sides of the door frame; a door mounted between the two side rails; at least one sealing gasket mounted on the door; and at least one strip mounted between the door and the door frame; a casing mounted on an upper end of the door frame; a pressing bar movable to abut an upper end of the door so as to press the door downward; a first hydraulic cylinder unit pivotally connected with the pressing bar to move the pressing bar relative to the door; a pressing plate movable to abut the door so as to press the door toward the strip and to press the strip toward the door frame so that the door frame, the strip, and the door are combined; a drive lever pivotally connected with the pressing plate to move the pressing plate relative to the door; a push lever pivotally connected with the drive lever to move the drive lever; and a second hydraulic cylinder unit pivotally connected with the push lever to move the push lever; wherein the pressing plate is movably mounted in one of the two side rails and is connected with the push lever and the drive lever; the drive lever is pivotally mounted in the one of the two side rails and has a first end pivotally connected with the one of the two side rails and a second end pivotally connected with the push lever; the push lever is pivotally mounted in the one of the two side rails and has a lower end pivotally connected with the second end of the drive lever and an upper end pivotally connected with the second hydraulic cylinder unit; and the second hydraulic cylinder unit is pivotally mounted in the one of the two side rails and has a lower end pivotally connected with the upper end of the push lever and an upper end pivotally connected with the one of the two side rails.