Fire-fighting access lock body and fire-fighting access lock

Fire-fighting access lock body and fire-fighting access lock

The utility model belongs to the technical field of fireproof doors, and particularly relates to a fire-fighting access lock body and a fire-fighting access lock. Including a housing, the back plate is connected to the shell; a lock hole is formed in the side surface of the shell; a spring bolt whic...

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1. Verfasser: FU ZHENFENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
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creator FU ZHENFENG
description The utility model belongs to the technical field of fireproof doors, and particularly relates to a fire-fighting access lock body and a fire-fighting access lock. Including a housing, the back plate is connected to the shell; a lock hole is formed in the side surface of the shell; a spring bolt which can move and extend out of the lock hole is arranged in the shell; rotatable square cores are sequentially arranged in the shell and located below the spring bolt. The push plate can move; the square core is used for being in linkage with the spring bolt and the push plate. A notch is formed in the shell, a grip is hinged in the notch, the grip is connected with the push plate and controls the square core to open or close the spring bolt, a pin column is further arranged in the shell, a torsional spring is sleeved on the pin column, one end of the torsional spring abuts against the side wall of the shell, and the other end of the torsional spring abuts against the spring bolt to enable thespring bolt to have the
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language chi ; eng
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subjects ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
title Fire-fighting access lock body and fire-fighting access lock
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