Valve heat preservation sleeve with high sealing performance

The utility model discloses a valve insulation sleeve with strong sealing performance, which comprises a valve insulation sleeve body, the inner surface of the valve insulation sleeve body is fixedly connected with an outer layer, the inner surface of the outer layer is fixedly connected with a midd...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HONG XINGYUAN, HONG HONGZHI, HONG QUANXING, HONG XIUQING
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 valve insulation sleeve with strong sealing performance, which comprises a valve insulation sleeve body, the inner surface of the valve insulation sleeve body is fixedly connected with an outer layer, the inner surface of the outer layer is fixedly connected with a middle layer, and the inner surface of the middle layer is fixedly connected with an inner layer. The middle layer comprises a first heat preservation layer, a second heat preservation layer and a third heat preservation layer. A user sleeves the valve heat preservation sleeve body on the surface of a valve, so that the fastening rope penetrates through a reserved hole in the upper end of the flexible fixing plate, the fastening rope is pulled close to extrude the flexible fixing plate, the flexible fixing plate extrudes the protective sleeve and forces the protective sleeve to deform, and the protective sleeve deforms to extrude the valve heat preservation sleeve body. Therefore, the inner layer in the valve heat pres