CN2257314Y

CN2257314Y - Safety theft-proof door lock

Info

Publication number: CN2257314Y
Application number: CN 96227589
Authority: CN
Inventors: 贾书亮
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-04-02
Filing date: 1996-04-02
Publication date: 1997-07-02
Anticipated expiration: 2006-04-02

Abstract

The utility model relates to a safety theft-proof door lock. A lock core and a lock post are arranged in a lock body; a fixing plate is fixed on one side of the lock body; the utility model is provided with a movable plate of which the lower end is provided with a hole and upper end can be inserted between the lock body and the fixing plate; the lock post extends and is inserted into the hole of the movable plate and a hole arranged on the corresponding position of the fixing plate; a convex edge is arranged on the movable plate of the lock body; the lock body and the movable plate are respectively fixed on a door frame and a door. The utility model has convenient installation and high safety; the utility model can not be erroneously locked when people are outdoor.

Description

The safe antitheft door lock

The utility model relates to a kind of door lock, especially a kind of safe antitheft door lock that is made of lock body, lock core and lock.

Need when existing door lock is installed stamp on door in order to pass the hole of lock core, be screwed the back at door, such one is to need punching, the 2nd, and be screwed easily and pried open, and the careless Men Hesuo easily of the lock that has to close, mistake is locked in the people outdoor.

The purpose of this utility model is to overcome the defective that above prior art exists, and a kind of new type of safe safe-guard door lock is provided, and need not punch during installation, and door lock had both made trip bolt be dismantled under the state of locking and also door can not opened, and can unintentionally the people be locked in outdoor.

The purpose of this utility model is achieved in that it relates to lock body, lock core and lock, lock core and lock are installed in the lock body, its design feature is and is fixed with in a side of lock body and decides plate, its lower end is set can be inserted into lock body and decide moving plate between the plate, in moving plate lower end with decide to be provided with on the plate hole that can insert after lock stretches out wherein, lock body fixing is used the convex edge exceeding to decide to have on the plate thickness direction, and moving plate is provided with the convex edge in the opposite direction.During installation, by the convex edge on the lock body with decide plate lock body is fixed on the doorframe, to move plate by moving plate inboard and its convex edge is fixed on the door, after shutting the door, make the center line of deciding stomidium under the plate and lock center line point-blank, use key rotation lock core, further drive lock and stretch out the hole that is inserted into moving plate lower end and decide in the corresponding hole of plate, at this moment locked; The counter-rotating key makes the lock withdrawal, and door lock is opened, and at this moment just can open the door.

On the convex edge of moving plate cover is set, in the endoporus of cover slidably latch is set, the relevant position is provided with the insertable hole of latch on the plate deciding, like this can indoor with door bolt on.

The safety safe-guard door lock, owing to do not need on door, to beat in order to pass the hole of lock core, so it is easy for installation, if remove the fixation of lock body and moving plate and doorframe and door, owing to there is the convex edge that door and doorframe are fastened, door can not be opened yet, and has strengthened safety, this lock needs to lock a door with key, avoids a quilt with going up the back mistake people to be locked to outdoor possibility.

Below in conjunction with accompanying drawing the utility model is further described.

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

With reference to accompanying drawing, lock core 2 and lock 3 are installed in the lock body 1, lock core 2 with being connected of lock 3 available fork, gear type or spring pull-type, make lock core 2 when rotating, lock 3 be stretched out or withdraw, decide plate 5 on lock body 1 right side, one moving plate 4 is set, and its lower end can be inserted into lock body 1 and decide between the plate 5, and moving plate 4 lower ends reach decides plate 5 corresponding positions and be equipped with lock 3 and stretch out insertable hole afterwards.By being arranged on moving plate 4, decide the fixing hole 6 on plate 5 and the convex edge, will move plate 4 respectively and lock body 1 is fixed on door and the doorframe with screw.Cover 7 is set on moving plate 4 convex edges, slidably latch 8 is set in the hole within it, deciding that latch 8 insertable holes are set on the plate 5, like this indoor can be with pin on.

Claims

1, a kind of safe antitheft door lock, relate to lock body, lock core and lock, lock core and lock are installed in the lock body, it is characterized in that: be fixed with in a side of lock body (1) and decide plate (5), its lower end is set can be inserted into lock body (1) and decide moving plate (4) between the plate (5), in moving plate (4) lower end with decide to be provided with on the plate (5) hole that can insert after lock (3) stretches out wherein, lock body (1) decides to have on plate (5) thickness direction the fixing convex edge of use exceeding, and moves plate (4) convex edge is set in the opposite direction.

2, safe antitheft door lock according to claim 1 is characterized in that: on the convex edge of moving plate (4) cover (7) is set, in the endoporus of cover (7) slidably latch (8) is set, decide plate (5) and be provided with the insertable hole of latch (8).