CN2292873Y

CN2292873Y - Theft-proof lock for rolling shutter door

Info

Publication number: CN2292873Y
Application number: CN 96224535
Authority: CN
Inventors: 陈国华
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-09-01
Filing date: 1996-09-01
Publication date: 1998-09-30
Anticipated expiration: 2006-09-01

Abstract

The utility model relates to a theft-proof lock for a rolling shutter door, which is composed of a lock shell, a lock tongue, a lock catch, etc. The lock tongue can automatically spring out by the control of a touching bar and a spring when the door is closed; the lock tongue retracts by the control of the lock leaf, the shifting fork, etc. of a lock core when the lock is locked. The whole lock body is arranged on the right and the left sides below the rolling shutter door; the lock catch is arranged on door posts on both sides correspondingly. The utility model has the advantages of automatic locking, convenient operation and good theft-proof performance.

Description

A kind of commentaries on classics gate theftproof lock

The utility model belongs to a kind of lockset, specially refers to a kind of lockset that is applied to rolling-gate.

Rolling-gate is the door of the common employing of current businessman, and along with the development of Du's meeting, its use face will be more and more many.Yet existing rolling gate door lock generally need use key just can finish when locking a door, and its theftproof performance is also undesirable.

The purpose of this utility model is the deficiency at existing rolling gate door lock, and it is good to design a kind of theftproof performance, and the burglary-proofing lock for rolling door of conveniently locking a door.

Major technique measure of the present utility model is as follows:

A kind of burglary-proofing lock for rolling door has lock body and snap close, and lock body comprises lock housing, lock core and dead bolt, and its lock body is installed on the following left and right sides of rolling-gate, and snap close is installed on the left and right sides door pillar corresponding to the lock body position; Wherein, the dead bolt afterbody in the lock body connects a spring, and the end of this spring is fixed on the reference column of being located at lock housing; Dead bolt upper limb appropriate position has a bayonet socket, this bayonet socket can with the fixture block interlock of the clamp upper end that is installed on the lock housing backplate, the clamp lower end is located at re-packing that the touching lever top of lock housing backplate and vertical up-or-down movement connected and is replaced, and the clamp middle part is with one orders about the spring that clamp moves downward; Be provided with a pushing block at the terminal inferior horn of dead bolt, there is a lock leaf lock core top, and the lock housing backplate is provided with one and is controlled by the shift fork of locking leaf and stirring pushing block; The dead bolt middle part has a slip locating slot, and two all are installed on the lock housing backplate in order to limit the reference column of dead bolt sliding scale before and after being inserted in the groove.

The utility model is owing to take special mounting means and installation site, and utilizes touching lever to shut automatically with bumping, thereby easy to use, and theftproof performance is good.

Below in conjunction with accompanying drawing the utility model is further described:

Fig. 1 is that burglary-proofing lock for rolling door shuts the status architecture schematic diagram

Fig. 2 is a burglary-proofing lock for rolling door unlocking condition structural representation

Fig. 3 is clamp and dead bolt mated condition schematic diagram

See also Fig. 1, Fig. 2, this burglary-proofing lock for rolling door mainly is made up of lock housing 2, snap close 1, dead bolt 7, lock core 10 etc., the lock body of whole lock is installed on the following left and right sides of rolling-gate, snap close 1 is installed on the left and right sides door pillar corresponding to the lock body position, wherein dead bolt 7 afterbodys in the lock body connect a spring 11, and the end of spring 11 is fixed on the reference column 6 of being located at lock housing 2; Dead bolt 7 upper limb appropriate positions have a bayonet socket 12, this bayonet socket 12 can with the fixture block interlock of clamp 4 upper ends that are installed on lock housing 2 backplates, clamp 4 lower ends are located at that touching lever 9 tops of lock housing 2 backplates and vertical up-or-down movement are connected re-packs and 8 replaces, clamp 4 middle parts are with one and order about the spring 5 that clamp 4 moves downward, be provided with a pushing block 13 at dead bolt 7 terminal inferior horns, be connected with a lock leaf 3 on the lock core 10, lock housing 2 backplates are provided with one and are controlled by the shift fork 14 of locking leaf 3 and stirring pushing block 13; Dead bolt 7 middle parts have a slip locating slot 15, before and after being inserted in the groove on two backplates that all are installed on lock housing 2 in order to the reference column 16 of restriction dead bolt 7 sliding scales.

Be outward opening door in convenient, lock core 10 is established 2 altogether, is located at lock housing 2 backplates and cover plate place respectively.

The open and close door course of work is: when unblanking, lock core 10 rotates and drives 3 motions of lock leaves, and lock leaf 3 is shift fork 14 motions, promotes pushing blocks 13 and orders about dead bolt 7 retractions and unblank thereby push away fork 14, and this moment, clamp 4 was subjected to spring 5 effect retractions, and its fixture block snaps in breach 12.When shutting, the rolling-gate of leaving behind when touching lever 9 touches ground, is subjected to ground to replace and move upward, thereby to replace clamp 4 up by re-packing 8, and its fixture block breaks away from breach 12, and dead bolt 7 ejects under the effect of spring 11, snaps in the snap close 1, and door is promptly locked.

Claims

1, a kind of burglary-proofing lock for rolling door has lock body and snap close, and lock body comprises lock housing, lock core, dead bolt, it is characterized in that: lock body is installed on the following left and right sides of rolling-gate, and snap close [1] is installed on the left and right sides door pillar corresponding to the lock body position; Wherein, dead bolt [7] afterbody in the lock body connects a spring [11], and the end of spring [11] is fixed on the reference column [6] of being located at lock housing [2]; Dead bolt [7] upper limb appropriate position has a bayonet socket [12], this bayonet socket [12] can with the fixture block interlock of clamp [4] upper end that is installed on lock housing [2] backplate, clamp [4] lower end is located at the touching lever [9] re-pack [8] that the top connected of lock housing [2] backplate and vertical up-or-down movement and is replaced, clamp [4] middle part is with one orders about the spring [5] that clamp [4] moves downward, be provided with a pushing block [13] at the terminal inferior horn of dead bolt [7], be connected with a lock leaf [3] on the lock core [10], lock housing [2] backplate is provided with one and is controlled by lock leaf [3] and stirs the shift fork [14] of pushing block [13]; Dead bolt [7] middle part has a slip locating slot [15], before and after being inserted in the groove on two backplates that all are installed on lock housing [2] in order to the reference column [16] of restriction dead bolt [7] sliding scale.

2, burglary-proofing lock for rolling door according to claim 1 is characterized in that: totally 2 of lock cores [10], they are located at the backplate and the cover plate position of lock housing [2] respectively.