Permeable grate with screened drain holes with opening and closing doors on upper surface of permeable grate body
A technology of weep holes and grates, which is applied to waterway systems, water supply devices, drainage structures, etc., can solve the problems that it can only be used for cars and roads, and the meticulous work is immature
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[0016] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0017] figure 1 The permeable grate is still in use till now, mainly comprising: a grate frame 1, a water discharge hole 2, and a grate rib 3.
[0018] figure 2 In order to more clearly illustrate the effect of the permeable grate on the upper surface of the permeable grate with mesh drain holes and open and close doors, figure 2 The schematic diagram of the same function shown by each drain hole in the new grate can only be intercepted in an enlarged manner. The main body of the permeable grate with net grate added: grate frame 4, drain hole 2, grate edge 5, net grate 6, barrier Object door 7, water tank 8 form.
[0019] Plan A:
[0020] image 3 1. The permeable grate body upper surface netting drain hole band switch door permeable grate A—A water-free state structure diagram, one end of the pull door rope 10 is connected to t...
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