Nitrogen filling device for steel barrel production
The utility model relates to a nitrogen filling device for steel barrel production, in particular to the technical field of steel barrel production. The air inflation device comprises an air inflation outer connector, an air inflation air cylinder, a spring, a pressing plate and a gland sealing plat...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a nitrogen filling device for steel barrel production, in particular to the technical field of steel barrel production. The air inflation device comprises an air inflation outer connector, an air inflation air cylinder, a spring, a pressing plate and a gland sealing plate, the upper end of an air inflation rod of the air inflation air cylinder is connected with the air inflation outer connector, the lower end of the air inflation rod of the air inflation air cylinder is connected with the pressing plate, and the bottom of the pressing plate is connected with the gland sealing plate. The spring is arranged on the portion, between the pressing plate and the air inflation cylinder, of the air inflation rod in a sleeving mode, manual air inflation is replaced, the air inflation efficiency is improved, the labor intensity of workers is reduced, compared with an existing air inflation device, the gland sealing plate, the spring and the stroke are additionally arranged, the air inflation |
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