Convex manhole cover for escape opening of comprehensive pipe gallery: Fid-Bau Portal

Convex manhole cover for escape opening of comprehensive pipe gallery

DENG YUN / LI RONG / LI YING

The invention relates to a convex manhole cover for an escape opening of a comprehensive pipe gallery, and belongs to the technical field of the comprehensive pipe gallery. The convex manhole cover includes a base and a cover plate hinged to the base and capable of being opened and closed. The cover plate is of a pyramid-shaped housing structure with multiple sides. The cover plate of the pyramid-shaped structure has the characteristics of the high middle and the low edge, debris is not prone to being accumulated on the cover plate, and the hidden danger that the cover plate is difficult to open from the inside of the comprehensive pipe gallery and an escape passage is blocked due to stacked items on the cover plate is eliminated.

本发明涉及一种综合管廊逃生口凸形井盖，属于综合管廊技术领域。包括底座和铰接在底座上且可启闭的盖板，所述盖板为具有多个侧面的棱锥型壳体结构。棱锥型结构的盖板具有中间高、边缘低的特点，盖板上不容易堆积杂物，消除了因盖板上堆放物品导致难以从综合管廊内部开启、堵塞逃生通道的隐患。

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