Deep -well pump fixed valve anti -sticking bleeder

The utility model discloses a deep -well pump fixed valve anti -sticking bleeder, its top connection and last seating nipple spiro union, go up the seating nipple and descend the seating nipple through being connected the silk, lower clutch and lower seating nipple spiro union, it is arranged in the seating nipple to go up the center tube, it supports in last center tube with the backup pad to go up the seating nipple, the conical body sets up in last center tube upper end, it has the deep -well pump inlet port to go up the center tube, the sliding sleeve pipe is installed under in the seating nipple and is lain in the lower extreme of center tube, smooth sheathed tube upper end has the sliding sleeve body, with O type circle between the sliding sleeve body and the lower seating nipple, the tetrafluoro sealing ring, direction sealing strip and elasticity sealing ring are sealed, the sliding sleeve body has sliding sleeve body draining hole, the sliding sleeve body has the track, the seating nipple has seating