Piston mechanism with breakdown protection device
A piston mechanism and protection device technology, applied in the field of pressure vacuum gauges, can solve problems such as delays in work, cycle recovery, and influence on normal operations, and achieve the effect of ensuring normal operation
Inactive Publication Date: 2013-08-21
SHANGHAI JIANZHOU MACHINERY EQUIP
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Abstract
The invention relates to a piston mechanism with a breakdown protection device. The piston mechanism with the breakdown protection device comprises a piston cylinder, a piston rod and a detachable piston rod tray arranged at the top end of the piston rod, one end, provided with the piston rod tray, of the piston rod stretches into the piston cylinder, a breakdown protection sleeve is further arranged on the piston rod, the breakdown protection sleeve is arranged outside the piston rod in a sleeved mode, and the distance between the outer wall of the breakdown protection sleeve and the inner wall of the piston cylinder is less than 3 millimeters. The piston mechanism with the breakdown protection device has the advantages that due to the addition of the breakdown protection device of the piston rod, the clearance between the inner hole of the breakdown protection device of the piston rod and a piston seat is enabled to be reduced to 1.5 millimeters. Therefore, the piston rod is enabled not to be broken under the same situation, and normal operation of a piston-type pressure gauge is ensured.
Application Domain
Fluid pressure measurement using pistonsVacuum gauge using compression chambers +1
Technology Topic
Piston cylinderMechanical engineering
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