| 摘要 |
The present invention relates to a gate valve provided with a pin-shaped segment, comprising: a valve housing (100) having driving space formed in the inside thereof, having passages (120, 120′) through which wafers move formed on each of both sides thereof, and having an insertion hole (130) into which a shaft (330) is inserted in the lower part thereof; a valve blade (200) installed in the driving space so as to open and close the passage (120), and having a shaft inserting hole (210) into which the shaft (300) is inserted and a segment containing groove (220) with which a segment (600) is coupled, respectively in the lower part thereof; the shaft (300) passing through the insertion hole (130) and then being inserted into the shaft inserting hole (210) so as to be connected with the valve blade (200); a driving block (400) connected in the lower part of the shaft (300) so as to guide vertical and horizontal movements of the valve blade (200); a driving member (500) for elevating and lowering the driving block (400) so as to allow the passage (120) to be opened and closed by the valve blade (200); and the segment (600) formed on the upper part of the shaft (300) and coupled with the segment containing groove (220) so as to prevent the valve blade (200) from rotating when the valve blade (200) moves vertically or horizontally by the driving member (500). |
