Water pipe without back flow

The utility model discloses a water pipe without back flow and belongs to water heating pipe fittings. The water pipe without back flow comprises a water pipe body. A retaining piece is arranged in the water pipe body, and the retaining piece is round. The diameter of the retaining piece is equal to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	JIA MINGZHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a water pipe without back flow and belongs to water heating pipe fittings. The water pipe without back flow comprises a water pipe body. A retaining piece is arranged in the water pipe body, and the retaining piece is round. The diameter of the retaining piece is equal to the inner diameter of the water pipe body, and the retaining piece is connected with the water pipe body through a hinge. One side of the retaining piece is closely attached to the retaining piece and provided with a retaining ring. The outer diameter of the retaining ring is equal to the inner diameter of the water pipe body. One side, contacted with the retaining piece, of the retaining ring is provided with a round sealing ring. The retaining piece designed in the water pipe without back flow only enables water flow to pass in one way, the water flow can be prevented from back flow, and the water pipe without back flow can be conveniently used when people pump water.