CN2268092Y

CN2268092Y - Three-safety double door lock

Info

Publication number: CN2268092Y
Application number: CN 96220295
Authority: CN
Inventors: 李尧
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-08-23
Filing date: 1996-08-23
Publication date: 1997-11-19
Anticipated expiration: 2006-08-23

Abstract

The utility model relates to a three-safety double-door lock, composed of a lock body, a lock catch box, a rack-shaped lock bolt, a lock core, a handle, a gear on a handle shaft arranged in the lock body and an outer lock pin arranged in the lock catch box. The outer lock pin is perpendicular to the rack-shaped lock bolt, the top of the outer lock pin is in the shape of an inclined arc shape and is matched with a locked groove on the rack-shaped lock bolt, one side of the outer lock pin is provided with lock core toggling groove, the other side of the outer lock pin is provided with a friction spring, and a handle is arranged outside the lock core. The utility model has the advantages of simple structure, safety and beautiful appearance after the three-safety double door lock is installed, so the utility model is an ideal double-door lock.

Description

Three insurance Double door locks

The wood utility model relates to a kind of three insurance Double door locks.

At present, commercially available a kind of two-door door bolt, it is made up of tooth bar shape latch, gear, handle and housing.The rotary handle driven gear rotates, and gear driven tooth bar shape latch moves reciprocatingly, so that plug and open the door two-door.This door lock does not have the effect of door lock, can only play the effect that door is inserted.

The purpose of this utility model is the shortcoming at above-mentioned prior art, and a kind of three simple in structure, safe and reliable insurance Double door locks are provided.

The purpose of wood utility model be achieved in that it by lock body, keeper, tooth bar shape dead bolt, lock core, handle, be contained in the gear on the Handle axis in the lock body and the outer lock pin that is contained in the keeper is formed, outer lock pin is vertical mutually with tooth bar shape dead bolt, the top of outer lock pin is oblique arcuation, and match with lock slots on the tooth bar dead bolt, a side of lock pin is located at lock core and stirs groove outside, the opposite side of lock pin is contained in friction spring outside, and handle is housed outside lock core.

Below in conjunction with drawings and Examples the utility model is further described:

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

Fig. 2 is another example structure schematic diagram of the present utility model (being provided with the Double door lock of inside and outside lock pin)

By Fig. 1,2 as can be known, a kind of three insurance Double door locks, it includes lock body (3), keeper (10), tooth bar shape dead bolt (1), handle and is contained in gear (2) on the Handle axis in the lock body, lock pin (8) outside in keeper (10), being equipped with, outer lock pin (8) is vertical mutually with tooth bar shape dead bolt (1), the top of outer lock pin (8) is oblique arcuation, and match with lock slots on the tooth bar shape dead bolt, outer lock pin (8) one sides are provided with lock core and stir groove, the opposite side of lock pin (8) is equipped with friction spring (2) outside, and handle (6) is housed outside lock core (9).

Interior lock pin (13) is equipped with in the inboard of lock pin (8) outside, the top of interior lock pin (13) is oblique arcuation, and matches with lock slots on the tooth bar shape dead bolt, and the inboard of interior lock pin (13) is provided with dials, dial stretching out the keeper bonnet, interior lock pin (13) is located by friction spring (12).

In Fig. 1, (4), (6) are handle, are two-sided handle, and (5), (11) are door-plate.

The course of work of the present utility model is as follows:

When locking a door, turning clockwise outdoors in handle (4), gear (2) drives tooth bar shape dead bolt (1) and puts in the keeper (10), and bumps outer lock pin (8), automatically locks tooth bar shape dead bolt.When opening the door, stir outer lock pin (8) with key earlier and move downward, counter-clockwise then rotary handle (4) can open the door.The effect of interior lock pin (13) is to lock a door indoor, the outdoor door of not opening.

The utility model has the advantages that simple in structure, safe and reliable, elegant in appearance after installing. It is a kind of Desirable Double door lock.

Claims

1. one kind three is insured Double door lock, it includes lock body (3), keeper (10), tooth bar shape dead bolt (1), handle and is contained in gear (2) on the Handle axis in the lock body, lock pin (8) outside it is characterized in that in keeper (10), being equipped with, outer lock pin (8) is vertical mutually with tooth bar shape dead bolt (1), the top of outer lock pin (8) is oblique arcuation, and match with lock slots on the tooth bar shape dead bolt, outer lock pin (8) one sides are provided with lock core and stir groove, the opposite side of lock pin (8) is equipped with friction spring (2) outside, and handle (6) is housed outside lock core (9).

2, door lock according to claim 1, it is characterized in that interior lock pin (13) is equipped with in the inboard of lock pin (8) outside, the top of interior lock pin (13) is oblique arcuation, and match with the lock slots on the tooth bar shape dead bolt, the inboard of interior lock pin (13) is provided with dials handle, dial stretching out the keeper bonnet, interior lock pin (13) is located by friction spring (12).