Plastic ventilation cover for building drainage
The utility model discloses a plastic ventilation cover for building drainage, and relates to the technical field of ventilation covers. Comprising a ventilation cover, a pipeline is arranged below the ventilation cover, a fixing rod is fixedly installed on the inner wall of the ventilation cover, a...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a plastic ventilation cover for building drainage, and relates to the technical field of ventilation covers. Comprising a ventilation cover, a pipeline is arranged below the ventilation cover, a fixing rod is fixedly installed on the inner wall of the ventilation cover, a straight rod penetrates through the bottom wall of the ventilation cover, the outer wall of the straight rod is sleeved with a first spring, a short rod is fixedly installed on the bottom wall of the ventilation cover, and a buckle device is arranged at the top end of the straight rod. A reset rod is arranged on the buckle device, and a fixing plate is fixedly connected to the side wall of the straight rod. According to the plastic ventilation cover for building drainage, the ventilation cover can be clamped and fixed above a pipeline through a short rod and a supporting rod, a straight rod is extruded by the top end of the pipeline, the straight rod drives an extrusion rod fixedly connected with a fixing plate to |
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