CN2376514Y

CN2376514Y - Door lock

Info

Publication number: CN2376514Y
Application number: CN 99221113
Authority: CN
Inventors: 段琦
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-02
Filing date: 1999-06-02
Publication date: 2000-05-03
Anticipated expiration: 2009-06-02

Abstract

The utility model discloses a door lock used for a two-sash door, which mainly comprises a lock body, lock boxes 1 and a lock tongue. The utility model is characterized in that the lock box 1 has two; the lock tongue 10 and a device which can drive the lock tongue 10 to move are arranged in one lock box at one side and a safe groove 17 is arranged on the lock tongue; a safe tongue 14 and a device which can drive the safe tongue 14 to move are arranged in the other lock box 1 at the other side. The utility model has the advantages of simple and reasonable structure and good anti-prizing, anti-shifting and anti-theft effects.

Description

A kind of door lock

The utility model relates to a kind of door lock, especially the door lock of two fan door usefulness.

At present, the door lock of two fan door usefulness mostly is padlock greatly, and built-in lock, padlock are prized easily, and built-in lock also is easy to be struck or prize because dead bolt can not stretch out sufficient length, does not reach antitheft purpose.

The purpose of this utility model is to overcome above-mentioned prior art deficiency, and provides a kind of being difficult for to be struck or to prize, a kind of door lock of good anti-theft effect.

The purpose of this utility model can reach by following measure: a kind of door lock, it mainly comprises lock body, lock box, dead bolt, it is characterized in that described lock box is two, the device that wherein is provided with dead bolt in the side chain box and dead bolt is moved, dead bolt is provided with safety groove, the device that is provided with safety tongue in the opposite side lock box and safety tongue is moved.

The utility model can produce following good effect compared with the prior art: owing to the utlity model has the twin-lock box, and the extended enough length of dead bolt, therefore the utlity model has pick-proof, the anti-advantage of dialling, good anti-theft effect.

Below in conjunction with accompanying drawing most preferred embodiment of the present utility model is elaborated.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a cut-away view of the present utility model.

A kind of door lock is (referring to Fig. 1, Fig. 2), it comprises base plate 5, base plate 5 is provided with sleeve 4, base plate 5 left sides, right two parts can separate, left and right sides two parts respectively connect a lock box 1 on the base plate 5, the inside of right side lock box 1 is provided with a gear 8, connect a gear shaft 9 in the centre bore of gear 8, interior handle 3, the centre bore that outer handle 6 passes lock box 1 respectively links to each other with the two ends of gear shaft 9, it is cylindrical that dead bolt 10 passes sleeve 4, the head of dead bolt 10 is provided with safety groove 17, be evenly distributed with the circular hole 15 that advances on the dead bolt 10, the circular hole 15 that advances is corresponding with gear 8, handle 3 or outer handle 6 in rotating like this, can rotate by gear shaft 9 driven gears 8, move back and forth thereby drive dead bolt 10.Be provided with safety tongue 14 in the lock box 1 of left side, safety tongue 14 tops are corresponding with safety groove 17, fixedly connected with control panel 11 by a screw in the top of safety tongue 14, below safety tongue 14 screwings, be with spring 13, the lower end of spring 13 is fixed by an iron plate that is connected on the lock box 1, and a jack 16 is respectively established in the inside and outside both sides of lock box 1 inwall, and jack 16 respectively connects a pressing plate 12, interior lock body 2, outer lock body 7 link to each other with two jacks 16 in the lock box 1 respectively.Key in rotating like this on lock body 2, the outer lock body 7, then jack 16 rotating band dynamic pressure plates 12 upper and lower motions, pressing plate 12 presses control panel 11 and realizes moving up and down of safety tongue 14, realizes the unlatching of door lock, and spring 13 can make safety tongue 14 automatically reset.

Claims

1, a kind of door lock, it mainly comprises lock body, lock box (1), dead bolt, it is characterized in that described lock box (1) is two, the device that wherein is provided with dead bolt (10) in the side chain box and dead bolt (10) is moved, dead bolt (10) is provided with safety groove (17), the device that is provided with safety tongue (14) in the opposite side lock box and safety tongue (14) is moved.

2, a kind of door lock according to claim 1.It is characterized in that the described device of dead bolt (10) motion that makes has gear (8), be distributed with on the dead bolt (10) and advance hole (15) that gear (8) is corresponding with propelling hole (15), gear (8) connects a gear shaft (9), and gear shaft (9) links to each other with handle.

3, a kind of door lock according to claim 1.It is characterized in that the described device of safety tongue (14) motion that makes has pressing plate (12), pressing plate (12) links to each other with lock body on the lock box (1), is with spring (13) on the safety tongue (14), safety tongue (14) connection one control panel (11).

4, a kind of door lock according to claim 3 is characterized in that described lock body respectively establishes one at the inside and outside of lock box, is connected with two pressing plates (12) respectively with interior lock body (2), outer lock body (7).