CN104912405A

CN104912405A - Door frame locking device

Info

Publication number: CN104912405A
Application number: CN201510311179.7A
Authority: CN
Inventors: 刘福; 黄宜学; 叶兵
Original assignee: Guangzhou Kingteller ATM Technology Co Ltd
Current assignee: Guangzhou Kingteller ATM Technology Co Ltd
Priority date: 2015-06-09
Filing date: 2015-06-09
Publication date: 2015-09-16

Abstract

The invention discloses a door frame locking device. A locking part on the edge of the lower portion of a door body is connected with a swing arm installed on a door lock on the edge of the upper portion of the door body through a link mechanism. When the door frame locking device works, a lock cylinder can be driven to rotate by rotating a matched key, and accordingly a lock tongue on the lock cylinder and the swing arm are driven to swing. When the lock tongue swings towards a locking station to be in place, the lock tongue enables the upper portion of the lock body to be locked on a door frame, the swing arm synchronously drives the locking part to swing downwards, a locking portion of the locking part swings downwards and is inserted in a lockhole of a limiting base, the lower portion of the door body is located on a frame body, and accordingly the locking operation of the door body is achieved. When the door body needs opening, the key rotates reversely. The door frame locking device can greatly reduce key breakage probability and noise. In addition, the lock tongue and the locking portion can be set to be very short, the corresponding strength is high, the door frame locking device does not bend or deform easily, and the door body can be closed better.

Description

A kind of locking system of doorframe

Technical field

The present invention relates to a kind of locking system of doorframe of ATM (Automatic Teller Machine).

Background technology

The doorframe of ATM (Automatic Teller Machine) is higher and the intensity of its body is lower, general needs arrange the locking system that can be simultaneously all locked in the upper and lower part of door body in framework on doorframe, the upper and lower part of door body to be locked in the relevant position of framework after door body is closed, thus improve the sealed intensity of door body, reduce door body by the probability pried open.

As shown in Figures 1 to 3, for the using state schematic diagram of existing a kind of locking system, this locking system comprises and is fixed on upper keeper 20 in framework 10 and lower keeper 30, be arranged on the lock core 50 of a body 40 center edge portion, be positioned at the fork 60 of a body 40 medial surface, and the upper lock tongue 70 of strip and lower dead bolt 80, lock core 50 can with the key turns of coupling, fork 60 is connected with lock core 50, and can rotate around the center line of lock core 50 under the drive of lock core 50, the lower end of upper lock tongue 70 and the upper end of lower dead bolt 80 are articulated with the both sides of fork 60 respectively, the upper end of upper lock tongue 70 and the lower end of lower dead bolt 80 are each passed through the guide hole of guide 401 and lower guide 402, fork 60 is when the center line of lock core 50 swings, upper lock tongue 70 can be driven to move up and down with the relative guide hole of lower dead bolt 80, after door body 40 is closed, when upper lock tongue 70 moves up and lower dead bolt 80 moves down, the upper keeper 20 be positioned at above guide 401 and the locating hole 201 being positioned at the lower keeper 30 below lower guide 402 can be inserted respectively, (see figure 3) in 301, thus the top and the bottom of door body 40 are locked in framework 10 simultaneously.

But this locking system is Shortcomings part still, reason is: when 1, upper lock tongue 70 and lower dead bolt 80 insert go up keeper 20 and lower keeper 30 accordingly locating hole 201,301 respectively, can produce with corresponding upper keeper 20, upper guide 401, lower keeper 30 and lower guide 402 respectively and rub largely, produce larger noise, and larger resistance can be formed to the key driving upper lock tongue 70 and lower dead bolt 80 to move up and down, easily cause key to fracture; 2, the upper lock tongue 70 and the lower dead bolt 80 that work the effect of tightening up are longer, and corresponding intensity is lower, easy flexural deformation time stressed, causes a body 40 to close.

Summary of the invention

The object of the present invention is to provide a kind of locking system of doorframe, its sealed intensity is high, and the resistance produced in the process of opening or locking is little, and key is frangibility not; Meanwhile, larger noise can not be produced.

The locking system of a kind of doorframe of the present invention, comprise and be arranged on a door lock for body top edge, door lock is by lock core, and to be connected with lock core and the dead bolt that can rotate with lock core and swing arm form, the lower edge of door body is hinged with the locking piece that can swing up and down, keeper has the tight lock part stretched out downwards, the position of the corresponding locking piece of framework is fixed with limit base, the end face of limit base has lockhole, when door body is closed, tight lock part is positioned at the top of the lockhole of limit base, tight lock part can insert in lockhole to during lower swing, linkage is had between locking piece and swing arm, upper end and the swing arm of linkage are hinged, lower end and locking piece hinged, when dead bolt is when the drive lower swing of lock core is to locking station, tight lock part is to lower swing and insert in lockhole, when dead bolt is when the drive backswing of lock core is to unblock station, swing arm then drives tight lock part upwards to swing disengaging lockhole by linkage.

The locking system of doorframe of the present invention, to a locking piece of body lower edge be articulated with by linkage and be installed on a swing arm for the door lock of body top edge and be connected, during work, lock core can be driven to rotate by the key of rotation matching, thus dead bolt on band movable lock core and swing arm swing, when dead bolt puts in place toward the swing of locking station, the top of door body is locked on doorframe by dead bolt, swing arm then synchronously drives locking piece to lower swing, the tight lock part of locking piece is made to swing to place and insert in the lockhole of limit base, the bottom of door body is locked in framework, thus realize the locking operation of door body.And when needing door capable of being opened body, then instead show screw key, lock core is made to drive dead bolt to be rocked to from locking work station of unblanking, the top of door body is discharged from framework, simultaneously, swing arm then pulls locking piece by linkage, tight lock part is made upwards to swing and depart from lockhole, thus the bottom of door body is also discharged from framework, thus complete the open operation of locking device, operate very simple, in the operation of whole locking or unlatching, linkage, dead bolt and the frictional force suffered by locking piece all very little, therefore drive link mechanism, the resistance suffered by key of dead bolt and locking piece running is also less, significantly can reduce the probability that key fractures, and significantly reduce noise.In addition, rotary support point due to dead bolt and tight lock part lays respectively at the upper and lower of a body, therefore, the length of dead bolt and tight lock part arranges not by the impact of doorframe height, dead bolt and tight lock part can arrange shorter, corresponding intensity is higher, not easily flexural deformation time stressed, and a body can be made to close better.

Accompanying drawing explanation

Fig. 1, Fig. 2, Fig. 3 are the using state schematic diagrames of existing locking device.

Fig. 4 is the decomposing schematic representation of locking device of the present invention and door body.

Schematic diagram when Fig. 5 door body is opened.

Door body is locked at the schematic diagram in framework by Fig. 6 locking device.

Detailed description of the invention

As shown in Figs. 4-6, the locking system of a kind of doorframe of the present invention, comprise the door lock being arranged on a body 100 top edge, door lock is by lock core 1, and to be connected with lock core 1 and the dead bolt 2 that can rotate with lock core 1 and swing arm 3 form, described swing arm 3 can be connected with dead bolt 2, or it is one-body molded with dead bolt 2, the lower edge of door body 100 is hinged with the locking piece 4 that can swing up and down, keeper 4 has the tight lock part 41 stretched out downwards, the position of the corresponding locking piece 4 of framework 300 is fixed with limit base 5, the end face of limit base 5 has lockhole 51, when door body 100 is closed, tight lock part 41 is positioned at the top of the lockhole 51 of limit base 5, tight lock part 41 is to inserting in lockhole 51 during lower swing, linkage 6 is had between locking piece 4 and swing arm 3, upper end and the swing arm 3 of linkage 6 are hinged, lower end and locking piece 4 hinged, when dead bolt 2 is when the drive lower swing of lock core 1 is to locking station, tight lock part 41 is to lower swing and insert in lockhole 51, when dead bolt 2 is when the drive backswing of lock core 1 is to unblock station, swing arm 3 drives tight lock part 41 upwards to swing disengaging lockhole 51 by linkage 6.

During work, lock core 1 can be driven to rotate by the key 200 of rotation matching, thus be with the dead bolt 2 on movable lock core 1 and swing arm 3 to swing, when dead bolt 2 puts in place toward the swing of locking station, the top of door body 100 is locked on doorframe 300 by dead bolt 2, and the swing arm 3 then synchronous locking piece 4 that drives, to lower swing, makes the tight lock part 41 of locking piece 4 swing to place and insert in the lockhole 51 of limit base 5, the bottom of door body 100 is locked in framework 300, thus realizes the locking operation of door body.And when needing door capable of being opened body 100, then instead show screw key 200, lock core 1 is made to drive dead bolt 2 to be rocked to from locking work station of unblanking, the top of door body 100 is discharged from framework 300, simultaneously, swing arm 3 pulls locking piece 4 by linkage 6, tight lock part 41 is upwards swung and departs from lockhole 51, thus the bottom of door body 100 is also discharged from framework 300, thus complete the open operation of locking device, operate very simple, in the operation of whole locking or unlatching, linkage 6, dead bolt 2 and the frictional force suffered by locking piece 4 all very little, therefore drive link mechanism 6, the resistance suffered by key 200 that dead bolt 2 and locking piece 4 operate is also less, significantly can reduce the probability that key 200 fractures, and significantly reduce noise.In addition, rotary support point due to dead bolt 2 and tight lock part 41 lays respectively at the upper and lower of a body 100, therefore, the length of dead bolt 2 and tight lock part 41 arranges not by the impact of doorframe height, dead bolt 2 and tight lock part 41 can arrange shorter, corresponding intensity is higher, not easily flexural deformation time stressed, and a body can be made to close better.

Described linkage 6 is made up of upper connecting rod 61 and lower link 62, and upper end and the swing arm 3 of wherein going up connecting rod 61 are hinged, lower end and lower link 62 hinged, the lower end of lower link 62 is then hinged with locking piece 4.Certainly, linkage also can be formed by the rod hinge connection of more than three.

Described locking piece 4 is equipped with balancing weight 42, when lock core 1 drive dead bolt 2 from locking station be rocked to unblank station time, tight lock part 41 can insert in lockhole 51 to lower swing by auxiliary linkage 6 due to Action of Gravity Field by balancing weight 42.

Claims

1. the locking system of a doorframe, comprise and be arranged on a door lock for body top edge, door lock is by lock core, and to be connected with lock core and the dead bolt that can rotate with lock core and swing arm form, it is characterized in that: the lower edge of door body is hinged with the locking piece that can swing up and down, keeper has the tight lock part stretched out downwards, the position of the corresponding locking piece of framework is fixed with limit base, the end face of limit base has lockhole, when door body is closed, tight lock part is positioned at the top of the lockhole of limit base, tight lock part can insert in lockhole to during lower swing, linkage is had between locking piece and swing arm, upper end and the swing arm of linkage are hinged, lower end and locking piece hinged, when dead bolt is when the drive lower swing of lock core is to locking station, tight lock part is to lower swing and insert in lockhole, when dead bolt is when the drive backswing of lock core is to unblock station, swing arm then drives tight lock part upwards to swing disengaging lockhole by linkage.

2. the locking system of doorframe according to claim 1, is characterized in that: linkage is made up of upper connecting rod and lower link, and wherein, upper end and the swing arm of upper connecting rod are hinged, lower end and lower link hinged, the lower end of lower link is then hinged with locking piece.

3. the locking system of doorframe according to claim 1, is characterized in that: described locking piece is equipped with balancing weight.

4. the locking system of doorframe according to claim 1, is characterized in that: described swing arm and dead bolt are connected, or one-body molded with dead bolt.