CN2398379Y - Enclosed anti-theft door lock - Google Patents

Abstract

The utility model relates to an enclosed anti-theft door lock, composed of a lock body, a lock core, a lock face box, and a dialing piece, wherein, the lock face box is provided with a lock hole provided with a bulkhead inside, and the inner part of the lock core is provided with a compressed spring to hold the bulkhead. In unlocking, a key holds the bulkhead and is inserted into the lock core for opening, and the bulkhead can close the lock hole automatically when the key is taken out. The utility model has the advantage of dustproof and waterproof function, is suitably use in a family and various public places, can effectively protect the lock body, and can prolong the service life of the door lock.

Description

Closed safe-guard door lock

The utility model relates to a kind of door lock of security door.

At present, common security door door lock lockhole opens wide, and uses lockhole can advance dust all the year round, also can intake sometimes, and it is ineffective to cause lock body to open, and makes troubles to the user.

The purpose of this utility model is to overcome the deficiency that above-mentioned known technology exists, thereby a kind of closed safe-guard door lock is provided, and effective dustproof and waterproof.

The purpose of this utility model realizes in the following way:

This closed safe-guard door lock is made of lock body (1), lock core (2), locking face box (4) and plectrum (7), wherein, locking face box central authorities have lockhole, have a plug (5) in the lockhole, lock core (2) is a hollow, in be with a stage clip (3), stage clip (3) one ends prop up the tail end of plug (5) other end around plectrum (7), plectrum (7) is fixed on the bonnet (6) of lock core, and bonnet (6) is by screw and lock core one end socket.

Lockhole is shaped as circle, and has teeth groove (10), and plug (5) end surface shape is identical with lockhole, and in addition, its end face is equal with locking face (4) end face.

The utility model compared with prior art has following advantage:

Latching surface is a full-closed structure, can prevent dust effectively, application life of waterproof, prolongation lock.

The utility model is described in further detail below in conjunction with accompanying drawing:

Fig. 1 is the utility model sectional view

Fig. 2 is that the A of Fig. 1 is to view

(1) lock body in Fig. 1; (2) lock core; (3) stage clip; (4) locking face box; (5) plug; (6) bonnet; (7) plectrum; (8) magnetic post; (9) spring.

In Fig. 2, (10) teeth groove.

Locking face box (4) is connected with lock body by screw, and plug (5) end face is equal with locking face box surface, and when unblanking, key withstands plug and inserts in the lock core, and the key tooth extrudes lock core with magnetic post (8), and lock core is promptly rotatable, and drives the plectrum rotation, and mobile dead bolt can open the door; When opening the door, key, when key tooth and lockhole teeth groove eject key to seasonable spring (3), magnetic post (8) enters lock core under spring (9) effect simultaneously, and door lock is in locking state.

Claims (2)

1, a kind of closed safe-guard door lock, constitute by lock body (1), lock core (2), locking face box (4) and plectrum (7), it is characterized in that: locking face box central authorities have lockhole, have a plug (5) in the lockhole, lock core (2) is a hollow, in be with a stage clip (3), stage clip (3) one ends prop up the tail end of plug (5) other end around plectrum (7), plectrum (7) is fixed on the bonnet (6) of lock core, and bonnet (6) is by screw and lock core one end socket.

2, door lock according to claim 1 is characterized in that, lockhole is shaped as circle, and have teeth groove (10), plug (5) end surface shape is identical with lockhole, and is and equal with locking face box (4) end face.

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