Dustproof device for gas production instrument

Dustproof device for gas production instrument

The utility model relates to a dustproof device for a gas production instrument. The device comprises a protective shell and a cover plate, a placement groove is formed in the front end of the protective shell, a through groove opening is formed in the lower end of the placement groove, the protecti...

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Hauptverfasser: LUO FEI, TANG RUOBING
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
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creator LUO FEI
TANG RUOBING
description The utility model relates to a dustproof device for a gas production instrument. The device comprises a protective shell and a cover plate, a placement groove is formed in the front end of the protective shell, a through groove opening is formed in the lower end of the placement groove, the protective shell is matched with the cover plate, three fixing supporting rods are evenly distributed in thecircumferential direction of the protective shell, the outer side of the front end of the protective shell is sleeved with a sealing ring, and a spring is fixedly connected to the center of the rearend face of the placement groove. According to the technical scheme of the utility model, the cover plate is inserted into the protective shell. The sealing ring is tightly attached to the joint through the locking bolt; the joint of the cover plate and the protective shell is sealed; dust can be effectively prevented from entering, a dial plate of the gas production instrument is protected against damage caused by solariz
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subjects MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
title Dustproof device for gas production instrument
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