House building water supply and drainage heating and ventilation reserved sleeve device

The utility model discloses a housing building water supply and drainage heating ventilation reserved sleeve device which comprises a sleeve, a first fixing circular plate, a second fixing circular plate, a mounting hole, a buffer structure, a limiting fixing structure and an auxiliary connecting st...

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Bibliographische Detailangaben
Hauptverfasser:	GUAN YANJIE, ZHAO YAQI, WANG CHUANYOU, LU HAIYANG, ZHOU TINGYU, ZANG LEI, WANG YONG, LUAN YUJUN, LIU HONGWEI, CUI GUANGYE, LIU SHUCEN, HUANG YONGJI, LUO XINGYU, ZHANG PENG, LI NAN, REN CHAO, ZHANG HAILONG, SONG CHENGLONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING 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 THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a housing building water supply and drainage heating ventilation reserved sleeve device which comprises a sleeve, a first fixing circular plate, a second fixing circular plate, a mounting hole, a buffer structure, a limiting fixing structure and an auxiliary connecting structure, one end of the sleeve is fixedly connected with the first fixing circular plate, and the other end of the sleeve is fixedly connected with the second fixing circular plate. Mounting holes are formed in the first fixing circular plate and the second fixing circular plate, a buffer structure is fixedly arranged on the sleeve, a limiting fixing structure is arranged on the sleeve, and an auxiliary connecting structure is arranged on the second fixing circular plate. The buffer structure is arranged, the sleeve can play a role in buffering after being installed, deformation of the sleeve caused by expansion and contraction of the outside due to temperature change can be effectively avoided, the effect of prolo