CN2532199Y

CN2532199Y - Pick-resistant lock for coiling door

Info

Publication number: CN2532199Y
Application number: CN 02221760
Authority: CN
Inventors: 黄晓云
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-04
Filing date: 2002-03-04
Publication date: 2003-01-22
Anticipated expiration: 2012-03-04

Abstract

The utility model discloses an anti-prying lock for the shutter door, which is composed of a lock core and a connecting arm. The utility model is also provided with a lock body that is composed of a lock shell, a lock tongue, a pulley, an anti-prying bolt and a spring, etc. The lock tongue is arranged inside the lock shell, and the top of the lock tongue is provided with the pulley; the anti-prying bolt is arrange inside the lock tongue; the two sides of the lock tongue are provided with openings; the anti-prying bolt connects the connecting arm, the door fame, the lock tongue and the shutter door as a whole from the openings. The utility model has the advantages of good anti-prying effect, simple manufacturing and convenient using.

Description

The rolling door pick-proof lock

Technical field: the utility model relates to a kind of rolling door pick-proof lock.

Background technology: common rolling screen door lock is made up of lock core, dead bolt, and its locking mode is a key, and dead bolt stretches into the bayonet socket on the doorframe, door lock is lived, rolling door can not be moved up and down, reach the purpose of closing rolling door, this type of lockset has comparatively outstanding shortcoming, at first is that theftproof is poor; Owing to after the long dead bolt distortion, from bayonet socket, withdraw from automatically; Next is a pick-proof more not, if with instrument at bayonet socket position sled, easier dead bolt is withdrawed from from bayonet socket.

Technology contents: goal of the invention of the present utility model is intended to overcome above-mentioned prior art shortcoming, and a kind of rolling door pick-proof lock simple, easy to use, that pick-proof is effective of making is provided.

Goal of the invention of the present utility model is achieved in that a kind of roller shutter pick-proof lock, by lock core, linking arm is formed, wherein lock core is socketed with a round tooth, one end of linking arm has bar shaped tooth and mutually meshing with the round tooth of lock core, this rolling door pick-proof lock also is provided with a lock body, lock body is by lock housing, dead bolt, pulley, the pick-proof bolt, spring and traveller constitute, dead bolt is cuboid and is positioned at lock housing, the top of dead bolt is provided with two pulleys, also be provided with two pick-proof bolts near the pulley place in the dead bolt, pick-proof bolt and dead bolt are movably connected, with the width both sides of the dead bolt of corresponding position, pick-proof bolt position two openings are arranged, the other end of dead bolt is enclosed within on the traveller, and spring housing is on traveller, one end links to each other with dead bolt, and the other end is connected the lock housing inboard; The lock housing of passing linking arm stretches in the dead bolt, and there is a projection on its top, also has a chute at the linking arm front end, and dead bolt is movably connected on the chute.

Operating principle of the present utility model is: when rolling door is in opening, dead bolt can move up and down in doorframe easily by pulley, in the time will closing rolling door, with rolling door when pulling down to the bayonet socket position, under the effect of spring, dead bolt passes bayonet socket rolling door is fixed, at this moment, rotational lock core, round tooth drive the bar shaped tooth linking arm are stretched to the pulley direction, the projection of linking arm is passed the pick-proof bolt and the pick-proof bolt is headed on, the pick-proof bolt opens from the opening of dead bolt both sides, and linking arm, rolling door and doorframe are connected as a single entity, and reaches the purpose of pick-proof.

The utility model compared with prior art has the following advantages:

1, manufacturing is simple, easy to use: rolling door is left behind, and rotational lock core gets final product;

2, pick-proof is effective: because the effect of pick-proof bolt, linking arm rolling door, doorframe,

Dead bolt is connected as a single entity, and pick-proof is effective.

Structural representation when description of drawings: Fig. 1 is the utility model unlatching;

Fig. 2 is the utility model structural representation when closing;

Fig. 3 is the dead bolt lateral view.

The specific embodiment:

A kind of roller shutter pick-proof lock, by lock core 1, linking arm 2 is formed, wherein lock core 1 is socketed with a round tooth, one end of linking arm 2 has bar shaped tooth and mutually meshing with the round tooth of lock core 1, this rolling door pick-proof lock also is provided with a lock body 3, lock body 3 is by lock housing 4, dead bolt 5, pulley 6, pick-proof bolt 7, spring 8 and traveller 9 constitute, dead bolt 5 is for cuboid and be positioned at lock housing 4, the top of dead bolt 5 is provided with two pulleys 6, also be provided with two pick-proof bolts 7 near pulley 6 places in the dead bolt 5, pick-proof bolt 7 is movably connected with dead bolt 5, with the width both sides of the dead bolt 5 of corresponding position, pick-proof bolt 7 position two openings 10 are arranged, the other end of dead bolt 5 is enclosed within on the traveller 9, and spring 8 is enclosed within on the traveller 9, one end links to each other with dead bolt 5, and the other end is connected lock housing 4 inboards; The lock housing 4 of passing linking arm stretches in the dead bolt 5, and there is a projection 11 on its top, also has a chute 12 at the linking arm front end, and dead bolt 5 is movably connected on the chute 12.

Claims

1, a kind of roller shutter pick-proof lock is made up of lock core (1), linking arm (2), and wherein lock core (1) is socketed with a round tooth, and an end of linking arm (2) has bar shaped tooth and mutually meshing with the round tooth of lock core (1); It is characterized in that: this rolling door pick-proof lock also is provided with a lock body (3), lock body (3) is by lock housing (4), dead bolt (5), pulley (6), pick-proof bolt (7), spring (8) and traveller (9) constitute, dead bolt (5) is for cuboid and be positioned at lock housing (4), the top of dead bolt (5) is provided with two pulleys (6), locate also to be provided with two pick-proof bolts (7) near pulley (6) in the dead bolt (5), pick-proof bolt (7) is movably connected with dead bolt (5), with the width both sides of the dead bolt (5) of pick-proof bolt (7) corresponding position, position two openings (10) are arranged, the other end of dead bolt (5) is enclosed within on the traveller (9), spring (8) is enclosed within on the traveller (9), one end links to each other with dead bolt (5), and the other end is connected lock housing (4) inboard; The lock housing (4) of passing linking arm (2) stretches in the dead bolt (5), and there is a projection (11) on its top, also has a chute (12) at linking arm (2) front end, and dead bolt (5) is movably connected on the chute (12).