CN2323091Y

CN2323091Y - Safety lock for rolling blind door

Info

Publication number: CN2323091Y
Application number: CN 98208732
Authority: CN
Inventors: 刘维坪
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-03-30
Filing date: 1998-03-30
Publication date: 1999-06-09
Anticipated expiration: 2008-03-30

Abstract

The utility model relates to a double safety lock for a rolling blind door composed of a door leaf, tracks, a lock core, a lock lever, a gear set and driving arms, which belongs to a lock with a special structure. The utility model is characterized in that the lock is composed of a main lock and an auxiliary lock; the main lock is provided with two sets of driving arms with convex teeth; one set of driving arm is provided with the lock lever for locking lock holes on the left and the right sides of a door frame; the other set of driving arm is provided with the auxiliary lock for locking a fixing pin on the left and the right tracks. The utility model has the advantages of convenient operation and high safety. The lock lever is inserted into the door frame, the auxiliary lock fastens a track fixing lock, and the door leaf, the door track and the wall are integrally joined. The utility model enhances the capability of theft prevention and damage prevention, and the utility model is a relatively ideal lock for the rolling blind door.

Description

The dual fail-safe rolling gate door lock

The dual fail-safe rolling gate door lock belongs to the lock that special construction is arranged.

Rolling gate door lock commonly used only is furnished with a lockset, and its lock box is loaded on the rolling-gate page or leaf, and lockhole is located on the doorframe of ground or track side surfaces, though simple in structure, so easily by pirate of the open, to the strick precaution power destroyed also a little less than.CN2134462Y discloses a kind of rolling gate door lock, form by two locking bars and core about extended lock box, its core one end is fixed with the interlock plate that the surface is provided with boss, projection and the spring match are set on the locking bar, as long as rolling-gate left behind put in place, locking bar will insert the lockhole on the doorframe automatically in the use, have simple in structure, switch is flexible, but still is the monolock heart, and is antitheft relatively poor with anti-damage ability.

The purpose of this utility model is to provide a kind of easy to use, the antitheft and strong dual fail-safe rolling gate door lock of anti-damage ability.

The utility model is to realize above-mentioned purpose like this.Door lock is made up of main lock and secondary lock, the main transmission arm that two groups of band double wedges are housed of locking, have the gear drive of pin respectively by a pair of side that links to each other with lock core, on one group of transmission arm, the locking bar that is used to lock doorframe left and right sides lockhole is housed, the pair lock in order to locking left and right sides track steady pin is housed on another group transmission arm.Secondary lock is connected with transmission arm by opening hook, on the unlatching hook dead bolt and back-moving spring is housed, and its upper fixed has the anti-drag hook that matches with dead bolt.

The utlity model has characteristics easy to use, safe and reliable, locking bar inserts doorframe, and the secondary track steady pin that then links closely of locking fuses door leaf, door track and body of wall, has strengthened antitheft and anti-damage ability, is a kind of comparatively desirable rolling gate door lock.

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

Fig. 2 is a main lock construction schematic diagram of the present utility model;

Fig. 3 is a secondary lock construction schematic diagram of the present utility model.

Track 2 is fixed on the body of wall 1 with track steady pin 3, and door leaf 6 is loaded on the track 2, and main lock 8 is equipped with in the below, and lock core 9 is housed on it, and locking bar 7 is equipped with in transmission arm 10 outer ends on main lock 8 tops, and transmission arm 10 outer ends of bottom are fixed with opens hook 5, and secondary lock 4 is housed on it.Be shaped on double wedge 11 respectively on the left and right transmission arm 10 in the main lock 8, be fixed with dead bolt 13 on the unlatching hook 5 of secondary lock 4, back-moving spring 12 is housed above, its upper right side is fitted with anti-drag hook 14.

Embodiment of the present utility model is shop front 3m rolling-gate, track 2, door leaf 6, main lock 8, lock core 9 and the common rolling-gate device of transmission arm 10 adapteds, locking bar 7 usefulness φ 16mm round steel are made, back-moving spring 12 is opened hook 5, dead bolt 13 and No. 45 Fine Steel Casting iron manufacturings of anti-drag hook 14 usefulness with the coiling of φ 1mm carbon spring steel wires.

Claims

1, a kind ofly has the gear of pin and the dual fail-safe rolling gate door lock that transmission arm is formed by door leaf, track, lock core, locking bar, a pair of side, it is characterized in that: door lock is made up of main lock and secondary lock, the main transmission arm that two groups of band double wedges are housed of locking, have the gear drive of pin respectively by a pair of side that links to each other with lock core, on one group of transmission arm, the locking bar that is used to lock doorframe left and right sides lockhole is housed, the pair lock in order to locking left and right sides track steady pin is housed on another group transmission arm.

2, dual fail-safe rolling gate door lock according to claim 1 is characterized in that: secondary lock is connected with transmission arm by opening hook, on the unlatching hook dead bolt and back-moving spring is housed, and its upper fixed has the anti-drag hook that matches with dead bolt.