Mechanical diaphragm metering pump

A mechanical diaphragm metering pump comprises a case body, a bearing base, an eccentric shaft, a piston rod, a shaft sleeve, a spring, a pump head base, a diaphragm, a check valve and a pump head. The bearing base is fixed on the case body, the eccentric shaft can be rotationally supported on the b...

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Bibliographische Detailangaben
1. Verfasser:	CHEN LINJUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FENCING FIXED CONSTRUCTIONS MASTS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL
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Beschreibung
Zusammenfassung:	A mechanical diaphragm metering pump comprises a case body, a bearing base, an eccentric shaft, a piston rod, a shaft sleeve, a spring, a pump head base, a diaphragm, a check valve and a pump head. The bearing base is fixed on the case body, the eccentric shaft can be rotationally supported on the bearing base, the head portion of the eccentric shaft is equipped with the bearing, the piston rod is movably arranged inside a hole of the pump head base through the shaft sleeve, the spring is sleeved on the pump head base, one end of the spring is abutted against the pump head base while the other end is abutted against the piston rod, one end of the piston rod is fixedly connected with the diaphragm while the other end contacts with the bearing on the eccentric shaft, the pump head base is fixedly connected with the case body, the outer edge of the diaphragm is pressed and fixed via the pump head and the pump head base, the check valve is arranged on the pump head, the case body is further equipped with a perman