CN2264796Y

CN2264796Y - Theft-proof multi-latch door

Info

Publication number: CN2264796Y
Application number: CN 95245000
Authority: CN
Inventors: 吴宝富
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-11-07
Filing date: 1995-11-07
Publication date: 1997-10-15
Anticipated expiration: 2005-11-07

Abstract

The utility model provides a theft-proof multi-latch iron door, which is composed of a door frame and a door lock. Four latches are arranged on the door frame, wherein, two of the four latches are fixed and the other two are rotatable; filling materials are arranged between a handle of the door lock and a connecting rod of a latch; therefore, the utility model greatly improves the anti-theft performance of the door lock and the anti-theft performance of an iron door.

Description

Multi-door door bolt security door

The utility model provides a kind of security door, particularly a kind of many door bolt security doors.

Present dysplasia owing to resident's Theft-proof iron door, and cause dwelling house to be occurred repeatedly by the sled incident.The utility model is owing to be provided with a plurality of bolts, and is provided with an edge protection on doorjamb, makes between door and the wall very close to each otherly, prevents that effectively door lock from being prized.

The novel purpose of this use is for a kind of multi-door door bolt security door that can prevent effectively that door lock from being prized is provided.

To achieve these goals, it comprises doorframe, door lock,

Its feature also is:

Side at door hinge on above-mentioned described doorframe is provided with two or more protrusion pile crowns.

Fig. 1 is that the structural representation of a novel embodiment of this use is thought.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.

As shown in Figure 1, the utility model is made up of doorframe 1, door lock 2.Doorframe 1 be provided with four bolt 1a1,1a2,1a3,1a4, with supporting door bolt cover 1b and the doorframe edged 1c of bolt.1a1 and 1a2 are two fixing bolts, and its length is constant, the structure of door bolt cover 1b as shown in Figure 2, when door was pulled outwardly or push away, bolt 1a1 and 1a2 were that axle rotates along the cambered surface of door bolt cover 1b with the door hinge, deviate from the door bolt cover, reach the purpose of opening the door.The same principle of bolt 1a1 and 1a2 is inserted the door bolt cover at closing time.When door hinge was destroyed, bolt 1a1 and 1a2 and door bolt were locked, and can't throw off, and bolt 1a3,1a4 are two movable bolts, linked to each other by connecting shaft 1d in the middle of them, so no matter be to open or close, these two active latch all are synchronous.Opposite side at connecting rod 1d is provided with spring 1e, and like this, the resident pulls conveniently when leaving home and security door can be pinned.Doorframe crimp 1c is provided with in order to protect bolt, and it has covered the slit between doorframe and the door, makes the thief can not find bolt, and has no way of doing it.The structure of door lock 2 as shown in Figure 3.Door lock 2 is provided with dead bolt 2a, handle 2b and keyhole 2c.Rotation in the key insertion hole, dead bolt moves down, i.e. solid line state as shown in Figure 3, at this moment the handle 2b of off-centre operation structure is close to lock house 2a, and 1d withstands with connecting rod, and bolt 1a3,1a4 pull out in the hole, and door promptly is opened.Continue screw key, dead bolt is enhanced higher position, i.e. dotted line state as shown in Figure 3, and key just can be extracted.At this moment, owing between connecting rod 1d and the handle 2b certain distance is arranged, thus ought be at closing time, connecting rod 1d moves to handle direction, easily door lock is lived.By the lock state, dead bolt is last at door, and the handle 2b of off-centre operation structure can rotate by 360 degree, but bumps less than bolt connecting rod 2d, and when having prevented that common door lock from being locked, handle is forcibly rotated and the impaired phenomenon generation of internal construction.The utility model is stolen so be difficult for the quilt sled, and can be lived door lock without key owing to be provided with four bolts.For one of ordinary skill in the art, the utility model can be done following variation.

1. fixedly the shape of bolt and quantity can be done multiple variation;

2. the filler that is provided with between door lock handle and bolt can be from different directions.

Claims

1. multi-door door bolt security door, it comprises doorframe, door lock,

It is characterized in that:

On above-mentioned described doorframe, be provided with two or more protrusion pile crowns in door hinge one side.

2. be provided with handle as the described door lock of claim 1., between handle and bolt connecting rod, be provided with filler.