CN2138174Y

CN2138174Y - Couple lock

Info

Publication number: CN2138174Y
Application number: CN 92235893
Authority: CN
Inventors: 康树栋
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-10-27
Filing date: 1992-10-27
Publication date: 1993-07-14
Anticipated expiration: 2002-10-27

Abstract

The utility model provides a couple lock. A cross is fixed to a door, the bottom face of a bolt of the cross lock is provided with a clamping groove; a vertical lock is fixed to a door frame, the upper part of the vertical lock is a fastener box, and the side of the fastener box is provided with a fastener box opening which is used for the going in and out of a bolt of a groove lock; the inside of the vertical lock is provided with a vertical bolt. The utility model has the advantages of simple structure, convenient opening and closing, low cost, practicality, reliable anti-prizing performance, etc.

Description

Couple lock

The utility model relates to a kind of theftproof lock, particularly relates to a kind of Couple lock.

Being used for the lock on the various doors at present, all is the monolock that is installed on door one side, and door or frame that the dependence dead bolt blocks opposite side are tight with door lock.Because dead bolt stretches outside the door limit, do not have again and other side or frame be fixed together, so pried open easily.

The purpose of this utility model to provide exactly a kind of pick-proof dependable performance, can be with door and the sealed all-in-one-piece Couple lock of frame.

The purpose of this utility model is achieved in that cross locking is fixed on the door, and the bottom surface of cross locking dead bolt has draw-in groove, and upright locking fixes on the doorframe, and the upright portion of locking is a button box, and the button box side has the button box port for the turnover of cross locking dead bolt, is provided with upright dead bolt in the upright lock.

The utlity model has characteristics such as simple structure, switch are convenient, economical and practical, pick-proof dependable performance.

Fig. 1 is the utility model structural representation.

Fig. 2 is the utility model schematic appearance.

Fig. 3 is the Key structure schematic diagram.

Fig. 4 is the lock core structure schematic diagram.

Describe the utility model in detail below in conjunction with accompanying drawing:

Cross locking 1 adopts general door lock, and cross locking 1 is fixed on the door, has draw-in groove 3 in the bottom surface of its dead bolt 2, is fixed with upright lock 4 on the doorframe relative with cross locking 1, and the top of upright lock 4 is button box 5, and button box 5 sides have the button box port 6 for 2 turnover of cross locking dead bolt.Copper core lock 7 and upright dead bolt 8 are equipped with in the bottom of upright lock 4, and upright dead bolt 8 becomes a straight flange with the side of turn groove 9, and an end of knob 10 is positioned at turn groove 9, and a side compression of upright dead bolt 8 is on spring 12, and spring 12 is fixed on the pillar 11.When locking a door, cross locking dead bolt 2 is restarted upright lock 4 after stretching in the upright keeper 5 of other side, and upright lock dead bolt 8 is stretched in the hole shape draw-in groove 3 of cross locking dead bolt 2, with door and other side or frame is sealed is integral.When opening the door, must open upright lock 4 with key earlier, upright lock dead bolt 8 is withdrawed from from the hole shape draw-in groove 3 of cross locking dead bolt 2, restart cross locking tongue 2, it is withdrawed from from the upright keeper 5 of other side, Men Caineng opens.

For improving security reliability to lock, cross locking can be respectively charged into two groups of different pins with the inner core of upright lock, and with two the lock the key bit mouths close on a key 13, become the two sides profile of tooth, the shape consistent with the two sides profile of tooth of key 13 made the keyhole of lock core simultaneously by lock of every control.In addition, also the lock cores of two locks can be made double pin, two groups of different pins are packed in the lock, the pin number is doubled, then two locks become same lock, still with one two sides profile of tooth key 13 are controlled two locks.

Claims

1, a kind of Couple lock is characterized in that cross locking 1 is fixed on the door, and the bottom surface of cross locking dead bolt 2 has draw-in groove 3, and upright lock 4 is fixed on the doorframe, and upright lock 4 tops are button box 5, and button box 5 sides have the button box port 6 for 2 turnover of cross locking dead bolt, is provided with upright dead bolt 8 in the upright lock 4.