GEAR SWITCH FOR PLUG VALVE, PLUG VALVE AND GAS APPARATUS

A gear switch (1) for a plug valve, a plug valve (100), and a gas device are provided. The plug valve (100) includes a valve body (2), a valve core (3), and a valve stem (4). The valve body (2) has an inlet (203) and an outlet (204). The valve core (3) is disposed in the valve body (2) and is config...

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Bibliographische Detailangaben
Hauptverfasser:	YANG, Daoping, QI, Zhengsheng, ZHANG, Yibin, HE, Hongjian, HUANG, Huahong
Format:	Patent
Sprache:	eng ; fre ; ger
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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Beschreibung
Zusammenfassung:	A gear switch (1) for a plug valve, a plug valve (100), and a gas device are provided. The plug valve (100) includes a valve body (2), a valve core (3), and a valve stem (4). The valve body (2) has an inlet (203) and an outlet (204). The valve core (3) is disposed in the valve body (2) and is configured to adjust an opening degree between the inlet (203) and the outlet (204) through rotating. The valve stem (4) is connected to the valve core (3) and is configured to drive the valve core (3). The gear switch (1) includes a base (11), a rotation block (12), and a positioning structure (13). The base (11) has a receiving hole (101). The rotation block (12) is rotatably disposed in the receiving hole (101) and has a mounting hole (102) configured to cooperate with the valve stem (4) to allow the rotation block (12) to rotate along with the valve stem (4). The positioning structure (13) is disposed at the base (11) and is configured to position the rotation block (12).