Cable protection steel pipe and protection fire-retardant pipe top end special sealing plug

Cable protection steel pipe and protection fire-retardant pipe top end special sealing plug

The utility model discloses a cable protection steel pipe and protection fire-retardant pipe top end special sealing plug which comprises a rubber cap body which is provided with at least two rubber pipes with different diameters. One end of the rubber cap body is internally provided with a hollow c...

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Hauptverfasser: WANG LUODAN, YUAN FENG, SUN RUIHUA, YANG JIAN, SHENG LANXUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator WANG LUODAN
YUAN FENG
SUN RUIHUA
YANG JIAN
SHENG LANXUN
description The utility model discloses a cable protection steel pipe and protection fire-retardant pipe top end special sealing plug which comprises a rubber cap body which is provided with at least two rubber pipes with different diameters. One end of the rubber cap body is internally provided with a hollow cylindrical boss. Both the rubber cap body and the rubber pipes are provided with elastic fasteners. A cable passes through a rubber pipe with equal diameter, a protection steel pipe or a protection fire-retardant pipe is buckled by the rubber cap body, and the rubber cap body and the rubber pipes are installed in a stopper groove by using elastic fasteners. Through the arrangement of stoppers, the displacement of the elastic fasteners can be prevented, and the elastic fasteners are fixed firmly. The hollow cylindrical boss at one end of the rubber cap body is rightly connected with the protection fire-retardant pipe, and secondary sealing is formed. One end of the rubber cap body is provided with a release switch,
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subjects OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title Cable protection steel pipe and protection fire-retardant pipe top end special sealing plug
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