Vacuum one-way valve

Vacuum one-way valve

The utility model provides a vacuum one-way valve which belongs to the technical field of a valve and comprises an upper body of the one-way valve, a lower body of the one-way valve and a rubber sealing ring, wherein the upper body of the one-way valve comprises a valve cover and an air outlet pipe;...

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Hauptverfasser: ZHU JIANXIAN, ZHU XIANQIAO, TONG XIUJUN, QI DONGHUI, HONG YINJIAN, WEI YUEKUN, YANG FENGYUN
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
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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creator ZHU JIANXIAN
ZHU XIANQIAO
TONG XIUJUN
QI DONGHUI
HONG YINJIAN
WEI YUEKUN
YANG FENGYUN
description The utility model provides a vacuum one-way valve which belongs to the technical field of a valve and comprises an upper body of the one-way valve, a lower body of the one-way valve and a rubber sealing ring, wherein the upper body of the one-way valve comprises a valve cover and an air outlet pipe; the lower body of the one-way valve comprises a valve seat and an air inlet pipe; 6 sealing holes are longitudinally arranged in the valve seat, and air inlet holes of the air inlet pipe are communicated with the sealing holes; the bottom part of the valve cover and the upper part of the valve seat respectively adopt the structures of a convex ring-shaped groove and a concave ring-shaped groove and are connected with each other by means of up-and-down oppositely-inserting and ultrasonic rotary welding; the valve cover comprises a central positioning cylinder; a circular boss is arranged in the center in the valve seat, and a guide post is arranged in the center of the circular boss; the rubber sealing ring is shea
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language chi ; eng
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subjects 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
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
title Vacuum one-way valve
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