DRAIN WELL Russian patent published in 2017 - IPC E02B11/00 

FIELD: construction.

SUBSTANCE: drain well comprises a housing 1, which accommodates the vessel 2, made of plastic material along the whole height. The inner part of the walls of the vessel 2 is provided with grooves 3 in the form of guide grooves over the entire height of the vessel. Inside the vessel 2 the settler 4 is placed, which is made of elastic material, the central lower part of which is made in the form of through opening, closed by the lock 5. The drain lock 4 includes a rigid annular shell 6 with the projections 7, the latter contact the grooves 3 freely sliding upward and downwards when lifting the drain lock 4 with the winch 12. The bottom 4 of the vessel 2 is provided with lower projections 15. The cover 8 with the ring 9, made in the form of a dome, has along its generatrix the side horizontal holes 10. To clean the vessel the drain lock is taken out using the winch 12, the drawbar 13 is removed to the side and the lock 5 is opened, or it is unleashed for-through opening then it is easy rolled down to the ground, or into the special vessel.

EFFECT: simplified design and reducing material consumption.

1 dwg