Sealed well lid of latent hinge built -in lock honeycomb

Sealed well lid of latent hinge built -in lock honeycomb belongs to urban construction underground pipe network technical field, main solve present well lid well in sewage mud poison gas pollute secret water and soil, corrode damage pipeline equipment and threaten and examine and repair workman life safety, does not have the nos hinge of lock and lead to the fact to lose and cover flip and hurt sb. 's feelings and ruin the car, in addition the per car vibrations once clash into the tired damage of noise da yi, who component major safety risks of going into the well of can both uncapping easily above all, well seat problem is hard fixed to difficult the uncapping of not preventing frostbite. The utility model provides a: having designed and having concealed hinge and the well lock below the well lid, increased the double -deck sealed of well lid edge and seal groove, the anti -skidding strengthening rib on well lid surface is that the panel atress is participated in to continuous structure, inserts the fill thermal -insulation layer material in the strengthening rib check, and the well foot stall PMKD of portion is that 8 soles can make the well seat fixed firm. The utility model discloses can be used to all underground pipe network systems, be particularly suitable for closed systems such as feedwater, telecommunications, cable, TV, heating power, coal gas, fire control.