House building drainage device
The utility model discloses a house building drainage device, and relates to the field of building drainage. According to the house building drainage device, the arranged rectification type protection assembly comprises the installation ring, the conical water guide pipe, the rectification rotating...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a house building drainage device, and relates to the field of building drainage. According to the house building drainage device, the arranged rectification type protection assembly comprises the installation ring, the conical water guide pipe, the rectification rotating wheel, the installation shell and the impurity filtering plate, when the house building drainage device is used, impurities in rainwater can be filtered out, the filtered water flow can be rectified, the attack force of the water flow can be reduced, and the service life of the house building drainage device is prolonged. The self-inspection type drainage pipe comprises a water inlet pipe, a flow velocity detection type connecting ring, a first drainage pipe, a tandem detector, a second drainage pipe and a U-shaped fixing frame, so that the water flow velocity at the joint of the water pipes can be inspected during use; therefore, the fault position can be accurately judged when the drainage device is blocked, and |
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