To provide a diversion port gate in which a diversion port can be opened/closed easily and a seal member is adhered closely with sufficient pressure, thereby preventing the leakage of water in the case where the diversion port is closed.
A diversion port gate 100 is provided in a diversion port of an agricultural water channel. A guide member 110 comprises: a door body 160 which includes a diversion port hole and gate body lock parts in both side ends, and to which a seal member adhered closely to an edge of the diversion port hole is fixed; a compression coil spring 150 held in the door body 160; a tension plate 140 which is mounted to the compression coil spring 150 so as to be interlocked with an extension/contraction state of the compression coil spring 150, and of which both the ends are supported by the gate body lock parts; a lever 130 which is joined to a substantially central part of the tension plate 140 for controlling the extension/contraction state of the compression coil spring 150; and a lever fixing member 180 which is provided in an upper portion of the door body 160 for fixing and holding a position of the lever 130. The door body 160 closes the diversion port hole with pressure of the compression coil spring.
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| JP2008113579A | 2008-05-22 | |||
| JP2002004252A | 2002-01-09 | |||
| JP2010281420A | 2010-12-16 | |||
| JPH10185431A | 1998-07-14 | |||
| JPH03127430U | 1991-12-20 |
Kiyoko Ota
Takanori Mamoru
Tetsuro Sandpit