A kind of waterproof rushes Safety well cover

A kind of waterproof rushes Safety well cover

  • CN 107,142,972 A
  • Filed: 07/18/2017
  • Published: 09/08/2017
  • Est. Priority Date: 07/18/2017
  • Status: Active Application
First Claim
Patent Images

1. a kind of waterproof rushes Safety well cover, including:

  • It is well lid, well lid eye counterbore, well lid eye counternut, tubaeform well lid eye, anti-Shield pull bar, baffle ring, two sheep eye setscrews, two sheep eye setscrew sheep eyes, protection pull bar following nut, well lids unlatchingsMouthful, there is screw thread well inwall correspondence both sides and tightens the nut on screw thread, spiral shell provided with vertical well lid protection pull bar, pull bar followingThe sheep eye setscrew in annular on head is respectively fixed with 10-30 centimetres directly over cap, on the 22-62 centimetres of correspondence borehole wall, is preventedShield pull bar is through in two sheep eye setscrew sheep eyes, and with correcting pull bar, baffle ring gear 10- on nut is fixed with protection pull barOn the sheep eye setscrew sheep eye of 30 centimeters, with positioning tie bar, well lid has well lid opening and corresponding with protection pull barThere is counterbore on tubaeform well lid eye, well lid eye top, and well lid protection pull bar top has screw thread and the nut being tightened on screw thread, and nut fallsIn well lid eye counterbore.

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