CN2255473Y

CN2255473Y - Automatic safety lock

Info

Publication number: CN2255473Y
Application number: CN 96202870
Authority: CN
Inventors: 王晨晖
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-02-13
Filing date: 1996-02-13
Publication date: 1997-06-04
Anticipated expiration: 2006-02-13

Abstract

The utility model relates to an automatic safety lock for a casement, which is composed of a lock body, a lock tongue, a lock core, a key shifting sheet, a manual bolt, and a lock hole, wherein, the safety lock tongue is connected with the key shifting sheet through a pin; the end face of the safety lock tongue forms a plane; a magnet is arranged in the lock hole of a door frame corresponding to the position of the safety lock tongue, and the end face of the magnet corresponding to the lock tongue also forms a plane; an inclined tongue is also arranged in the lock body, and the inclined tongue is also connected with the key shifting sheet. The utility model has the advantages of simple structure, convenient installation, and safer operation, and furthermore, the safety function of a door can be realized without using a key.

Description

A kind of automatic safety lock

The utility model relates to a kind of wing that is used for, and particularly is applicable to the lock that uses on door, window or the drawer.

Existing safety lock, generally by lock body, lock core, tiltedly tongue, insurance dead bolt and manually bolt forms, when closing, wing collision doorframe, tiltedly the tongue compression enters lock body, treat that door leaf cuts out after, oblique tongue gos deep into the doorframe lockhole under the effect of lock body inner spring; The insurance dead bolt is to stir the key plectrum that is fixed on the lock core by key to make it enter lockhole on the doorframe, realizes the dual fail-safe of door leaf.If people have forgotten with insuring dead bolt on the key, depend merely on the skew bolt lock door, then tiltedly tongue is stirred by hard thing easily and door leaf is opened.

The purpose of this utility model is to overcome existing lockset safety tongue and can not stretches out when closing door leaf, depends merely on the defective that oblique tongue easily is unlocked and a kind of automatic safety lock that designs.

Order of the present utility model can be realized by following measure: automatic safety lock is by lock body, dead bolt, lock core, key plectrum, manually bolt and the lockhole that is contained on the doorframe are formed, the insurance dead bolt links to each other with the key plectrum, can make insurance dead bolt withdrawal lock body by key and manual bolt, the end face of insurance dead bolt is the plane, with in the lockhole on the insurance latch bolt position corresponding doorframe magnet is installed, when door leaf cuts out, the insurance dead bolt stretches out under the effect of magnet magnetic force automatically, door leaf is pinned, realize the insurance ability of door leaf.

The utility model has the advantages that: simple in structure, easy for installation, do not need just can make door leaf realize insurance function by key, avoided because of forgetting that stirring the single oblique tongue of insurance dead bolt with key is easily stirred the situation generation that door leaf is opened by hard thing.

Accompanying drawing 1 is a structural representation of the present utility model.

Below in conjunction with accompanying drawing the utility model being done a nearly step describes:

The utility model by lock body 4, tiltedly tongue, insurance dead bolt 3, lock core 6, key plectrum 7, manually bolt 8 and the lockhole 2 that is installed on the doorframe are formed, key plectrum 7 links to each other with manual bolt 8 with lock core 6, insurance dead bolt 3 is connected with key plectrum 7 by pin 5, by key on the lock core or rotation manual bolt 8, can drive insurance dead bolt 3 by key plectrum 7 enters in the lock body 4, the end face of insurance dead bolt 3 is a plane, with insurance latch bolt position corresponding doorframe on lockhole 2 in magnet 1 is housed, magnet 1 also is a plane with dead bolt 3 corresponding end faces.When door leaf cut out, insurance dead bolt 3 can stretch out lock body 4 automatically and enter in the lockhole 2 under the effect of magnet, need not to stir the key plectrum that links to each other with lock core with key, just can realize the insurance function of door.In addition, an oblique tongue can be installed also in lock body, tiltedly tongue also is connected with key plectrum 7, realizes the function that oblique tongue is had in the prior art.

Claims

1. automatic safety lock that is used for wing, by lock body, dead bolt, lock core, key plectrum, manually bolt and the lockhole that is contained on the doorframe are formed, it is characterized in that insuring dead bolt (3) is connected with key plectrum (7) by pin (5), the end face of insurance dead bolt (3) is a plane, with in the lockhole (2) on the insurance latch bolt position corresponding doorframe magnet (1) is housed, magnet (1) also is a plane with the corresponding end face of insurance dead bolt (3).

2. automatic safety lock according to claim 1 is characterized in that also can installing in the lock body an oblique tongue, and tiltedly tongue also links to each other with key plectrum (7).