Sewer manhole cover capable of automatically blocking, opening and sealing water draining holes through light power control
A technology for drainage holes and sewers, which is used in underwater structures, water conservancy projects, artificial islands, etc., can solve the problems of not being able to block drainage holes, odor gushing up in sewers, and not being able to seal drainage holes.
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[0012] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0013] see figure 1 , the embodiment of the present invention includes:
[0014] A sewer well cover with light-controlled drainage holes automatically blocked and opened, comprising a well cover body 1, two drainage holes 2 are opened at both ends of the well cover body 1, and the drainage holes 2 are opened on the well cover body 1, A plugging controller device 3 is installed in the center of the bottom of the well cover body 1, and telescopic adjustment mechanisms 4 are respectively installed at both ends of the p...
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