Multi-preventing well cover
A manhole cover and cover plate technology, which is applied in water conservancy projects, artificial islands, underwater structures, etc., can solve the problems of manhole cover loss, rupture, and reduced safety of manhole covers, and achieve the effect of avoiding noise and rupture
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[0028] The present invention will be further described below through specific implementation manners in conjunction with the accompanying drawings.
[0029] like figure 1 and figure 2 As shown, the multi-well cover of the present invention includes a circle seat 1 and a cover plate 2, the circle seat 1 and the cover plate 2 are rotatably connected together, and the circle seat 1 has a cylindrical collar whose axis is perpendicular to the ground 4. The inner wall of the ring mouth 4 has a circular cover plate support platform 3 that protrudes inward along the axis perpendicular to the ring mouth 4, and the outer wall of the ring mouth 4 has a circular cover plate support platform 3 that protrudes outward along the axis perpendicular to the ring mouth 4. out of the ring seat fixing plate 5; wherein a lock 6 is provided at the position opposite to the connection point between the cover plate 2 and the ring seat 1 on the inner edge of the cover plate support platform 3, and the ...
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