Internal -rib reinforced polyethylene helical bellows

The utility model discloses an internal -rib reinforced polyethylene helical bellows, including the bellows main part, one side movable mounting of bellows main part has the bellows joint cap, the lower extreme fixed mounting of bellows joint cap has the dead lever, internal -rib reinforced polyethylene helical bellows, be equipped with a pivot, the reinforcing inner tube, change cap and locking cap, the user rotates the cap with the hand, the rotation of changeing the cap drives the rotation of a connecting axle, the rotation of a connecting axle drives the rotation of a pivot, the pivoted ofa pivot rotates the slip that drives a connecting rod again, no. One the shielding plate is being connected no. One to the connecting rod upper end, no. One thereby the shielding plate can be pluggedup the reinforcing inner tube, being equipped with of reinforcing inner tube is more durable than ordinary inner tube, increase the live time, being equipped with of locking cap makes the bellows joint cap be connected closel