CN2388285Y - Safety lock for rolling shutter door - Google Patents

Abstract

The utility model discloses a safe lock for a rolling shutter door, which is composed of a lock core component, a linking rod 3, a stopping mechanism, a guide block 16, a reset spring 15, a hook rotating mechanism and a baffle pin triggering mechanism. When a rolling shutter door is closed, the linking rod 3 locks the rolling shutter door along the lateral direction and drives the hook rotating mechanism to be locked on the ground and the stopping mechanism stops the linking rod 3 to prevent external force from prying with reliable anti-prying and safe performance. Owing to the baffle pin triggering mechanism, the rolling shutter door can be automatically closed without a key.

Description

The rolling-gate safety lock

The utility model relates to a kind of rolling-gate safety lock.

Rolling-gate is widely used in the shop, the paving, the warehouse, places such as show window, it is the first safe road guarantee, because rolling-gate is because the theftproof of lock is not good mostly by prying open, for improving its security personnel's performance, people have done many improvement to rolling gate door lock, Chinese patent ZL97238495.2 discloses a kind of rolling-gate pick-proof protective device, in fact also be a kind of safety lock, the main improvement that it is made on the basis of common rolling gate door lock is: respectively there is a lock pawl its both sides, after trace puts in the lockhole of both sides doorframe when closing rolling-gate, even this lock pawl can prop up trace it can not be bounced back under external force, also respectively there is a latch hook its both sides, can in vertical plane, do counterclockwise or the clockwise direction rotation with stretching of trace, hook or throw off the latch hook fixed bin that is embedded in the ground, rolling-gate below, like this, after opening and mentioning rolling-gate, the end of trace withstands in the gathering sill of rolling-gate both sides doorframe under action of reset spring, trace inserts the lockhole of both sides doorframe automatically when closing rolling-gate under action of reset spring, drive latch hook simultaneously and hook the latch hook fixed bin, laterally, vertically all locked.This safety lock mainly is to play pick-proof security personnel effect by the locking groove that lock pawl props up on the trace, this lock pawl is stirred with light instrument easily and is made it break away from the stopping function inefficacy that locking groove causes trace, and latch hook can drive disengagement latch hook fixed bin by trace, therefore when the people for stirring lock pawl and make it break away from locking groove or during when lock pawl chance generation fault, thereby prizing trace can drive latch hook simultaneously and throw off the latch hook fixed bin and open rolling-gate, pick-proof security personnel performance is reliable inadequately, in addition, in order to reach the purpose of automatic blocking, rolling-gate open to close before, the end of trace withstands in the gathering sill of rolling-gate both sides doorframe under action of reset spring all the time, pull in the process of leaving behind at rolling-gate, the end of trace rubs with the gathering sill bottom surface all the time, easily makes the wearing and tearing of gathering sill bottom surface.

The purpose of this utility model just is to provide a kind of rolling-gate safety lock with reliable pick-proof security personnel performance.

For achieving the above object, the utility model rolling-gate safety lock is made up of lock core parts, trace, stop mechanism, guide pad and back-moving spring, the lock core parts can drive side direction locking or the unlatching that trace is realized rolling-gate, have locking groove on the trace, corresponding locking groove place is a stop mechanism, the latch of stop mechanism cooperates realization locking function to trace when rolling-gate is closed with locking groove, guide pad is used for the guiding of trace, makes trace stretch out the side direction locking of realization rolling-gate when back-moving spring is used to close rolling-gate.

For the utility model rolling-gate safety lock, also can be provided with swivel hook mechanism and trigger stopper pin device, swivel hook mechanism can be converted into rotatablely moving of swivel hook to the rectilinear motion of trace, swivel hook is the T font, during the swivel hook rotation, two arms of its T font rotate in horizontal plane, and two arms of T font swivel hook stretch out below rolling-gate, when trace locks the rolling-gate side direction, swivel hook be embedded in ground, rolling-gate below in the swivel hook fixed bin of relevant position cooperates the locking of realization to ground; Triggering has a backing pin groove that triggers relevant position on backing pin and the trace to cooperate in the stopper pin device, when opening the withdrawal of rolling-gate trace, triggering backing pin upper end falls into the backing pin groove on the trace, stretch out below rolling-gate the lower end, when closing rolling-gate, trigger backing pin and broken away from the backing pin groove by ground jack-up, back-moving spring stretches out trace automatically.

After adopting such structure, when trace locks the rolling-gate side direction, the locking groove that the latch of stop mechanism falls on the trace makes trace stop, and latch can only be in movement in vertical direction, general instrument can't make the latch action, like this, external force also can't be stirred trace, makes the utility model rolling-gate safety lock have reliable pick-proof security personnel performance.The swivel hook of swivel hook mechanism and trace keep interlock in addition, and latch also is equivalent to stop to swivel hook to the stop of trace, and therefore, external force also can't be stirred swivel hook, has further strengthened the pick-proof security personnel performance of the utility model rolling-gate safety lock; When opening rolling-gate, triggering backing pin upper end falls into the backing pin groove on the trace, make trace can not stretch out in the gathering sill that withstands on rolling-gate both sides doorframe voluntarily, can not produce friction to gathering sill, and when closing rolling-gate, trigger backing pin and broken away from the backing pin groove by ground jack-up, back-moving spring stretches out trace automatically, does not therefore need key can close rolling-gate.

Below in conjunction with the drawings and specific embodiments the utility model rolling-gate safety lock is described in further detail.

Fig. 1 is the front view that the utility model rolling-gate safety lock is in closed condition.

Fig. 2 is the front view that the utility model rolling-gate safety lock is in opening.

Fig. 3 is the cutaway view Amplified image of Fig. 1 along the A-A line.

Fig. 4 is the cutaway view Amplified image of Fig. 1 along the B-B line.

Fig. 1 to Fig. 4 has provided a kind of specific embodiment of the utility model rolling-gate safety lock, Fig. 1 and Fig. 2 wherein one side of something of symmetry that only drawn, it is made up of lock core parts, trace 3, stop mechanism, guide pad 16, back-moving spring 15 and swivel hook mechanism, triggering stopper pin device, the lock core parts comprise door lock 1 and carry pin block 2, stop mechanism comprises latch 9, latch box 10 and latch base plate 11, swivel hook mechanism comprises shift fork 4, driving lever 5, swivel hook 6, pivoted housing 7 and swivel hook fixed bin 8, triggers stopper pin device and comprises triggering backing pin 12, backing pin box 13 and backing pin base plate 14.The two ends of door lock 1 are dead bolts, the end of dead bolt with carry pin block 2 and fixedly connected, carry pin block 2 inclined-plane is arranged, trace 3 is turned up into hook-shaped near an end of dead bolt, have the locking groove of a U-shaped on the trace 3 of this end, the latch 9 of stop mechanism locking groove therewith matches, when closing rolling-gate, the back-moving spring 15 that is connected 3 of guide pad 16 and traces drives trace 3 and stretches out, latch 9 can fall into this locking groove and make trace 3 stop, because latch 9 can only vertically move and not be exposed to outside the latch box 10 in latch box 10, general instrument can't make latch 9 actions, like this, external force also can't be stirred trace 3, makes the utility model rolling-gate safety lock have reliable pick-proof security personnel performance.When latch 9 falls into locking groove on the trace 3, the inclined-plane of carrying on the pin block 2 does not contact with latch 9, when key inserts rotary locking cylinder unlatching rolling-gate, dead bolt drives proposes pin block 2 withdrawals, the inclined-plane of carrying on the pin block 2 touches latch 9, under ramp effect, latch 9 is broken away from locking groove by jack-up, propose hook-shaped the turning up that pin block 2 just pushes up trace 3 ends then, and 3 withdrawals of drive trace make back-moving spring 15 produce the elastic force that forces trace 3 to stretch out simultaneously, that is to say, when opening rolling-gate, pin block 2 is carried in the dead bolt drive has one section idle stroke to be used for jack-up latch 9, just drive trace 3 withdrawals then, latch box 10 is fixed on the latch base plate 11, have permission trace 3 in the side of latch box 10 and carry the hole that pin block 2 passes through, play a part fixing and guiding trace 3 and carry pin block 2, the side of guide pad 16 also has the hole that allows trace 3 to pass through, also be fixing and the effect of guiding trace 3, guide pad 16 and door lock 1 can be fixed on the facade of rolling-gate directly or indirectly.For the convenience of installing, door lock 1 also can be fixed on the latch base plate 11, is fixed on by latch base plate 11 on the facade of rolling-gate.

Also be provided with swivel hook mechanism in the utility model specific embodiment, the shift fork 4 of swivel hook mechanism is fixed on the trace 3, have elongated hole on the shift fork 4, one end of driving lever 5 is fixedlyed connected with swivel hook 6, the other end has a columniform projection, this projection can stretch in the elongated hole on the shift fork 4, this projection is eccentric with respect to the center of rotation of swivel hook 6, trace 3 at moving linearly to close or when opening rolling-gate, thereby can drive eccentric projection by shift fork 4 makes driving lever 5 drive swivel hooks 6 rotate back and forth a fixing angle, this angle is 90 ° in the present embodiment, pivoted housing 7 is fixed on the rolling-gate, in case the displacement of spline hook 6, swivel hook 6 is the T font, during swivel hook 6 rotations, two arms of its T font rotate in horizontal plane, two arms of T font swivel hook 6 stretch out below rolling-gate, with be embedded in ground, rolling-gate below in the swivel hook fixed bin 8 of relevant position cooperates the locking of realization to ground, for cooperating swivel hook 6, two arm places corresponding to T font swivel hook 6 on the swivel hook fixed bin 8 have the corresponding breach of size, when closing rolling-gate, two arms of T font swivel hook 6 can change over to and hook swivel hook fixed bin 8 in this breach to realize locking, when opening rolling-gate, two arms of T font swivel hook 6 can leave this breach to unlock.When rolling-gate is in closed condition, because latch 9 makes trace 3 stop, external force can't be stirred trace 3, and swivel hook 6 keeps interlock with trace 3, the stop of 9 pairs of traces 3 of latch also is equivalent to the stop to swivel hook 6, therefore, external force also can't be stirred swivel hook 6, thereby has further strengthened the pick-proof security personnel performance of the utility model rolling-gate safety lock.

Also be provided with the triggering stopper pin device in the utility model specific embodiment, the triggering backing pin 12 that triggers stopper pin device is positioned at backing pin box 13, backing pin box 13 is fixed on the backing pin base plate 14, guide pad 16 also is fixed on the backing pin base plate 14, the side of backing pin box 13 and guide pad 16 all has the hole that allows trace 3 to pass through, play a part fixing and guiding trace 3, be connected back-moving spring 15 3 of guide pad 16 and traces, trace 3 corresponding sides that trigger stopper pin device have a backing pin groove, the triggering backing pin 12 of triggering stopper pin device backing pin groove therewith matches, when needing to open rolling-gate, inserting the key rotary locking cylinder is driven traces 3 and is retracted to the upper end of triggering backing pin 12 and falls into backing pin groove on the trace 3 by carrying pin block 2 by dead bolt, the counter-rotating key makes to be carried pin block 2 and stretches out and reserve enough strokes to resetting of trace 3 and extract key again, the withdrawal of trace 3 makes back-moving spring 15 produce the elastic force that forces trace 3 to stretch out, this moment is because the upper end of triggering backing pin 12 falls into the backing pin groove on the trace 3, even trace 3 also can not stretched out under the elastic force effect of back-moving spring 15, triggering the lower end of backing pin 12 stretches out below rolling-gate, in the time of need closing rolling-gate, rolling-gate is to fastening position as long as leave behind, trigger backing pin 12 and broken away from the backing pin groove by ground jack-up, trace 3 stretches out under the elastic force effect of back-moving spring 15 and makes the locking of rolling-gate side direction, simultaneously, trace 3 hooks swivel hook fixed bin 8 by swivel hook mechanism angle of driving swivel hook 6 rotations makes rolling-gate lock on ground, like this, do not need key can close rolling-gate, obviously in this case, preferably a kind of lock core that must reverse of the door lock that is adopted just can take out the door lock of key.

The utility model rolling-gate safety lock removes swivel hook fixed bin 8 and is embedded in the ground, all the other each ingredients can pass through latch base plate 11, backing pin base plate 14 and pivoted housing 7 are separately fixed on the rolling-gate, for guaranteeing strength of fixation, latch base plate 11, backing pin base plate 14 need be fixed on the facade of rolling-gate, fixed form can be with welding, riveted joint or bolt connect, for bolted situation, can adopt half-round head square neck bolt and cup head is in outdoor, owing to be exposed on the outdoor cup head without any groove, like this, can't dismantle this half-round head square neck bolt from outdoor, security personnel's performance is better.

Claims (6)

1, a kind of rolling-gate safety lock, by the lock core parts, trace 3, stop mechanism, guide pad 16, back-moving spring 15 is formed, it is characterized in that: in the end of the dead bolt of lock core parts door lock 1 fixedly connected have an inclined-plane carry pin block 2, door lock 1 drives trace 3 actions by carrying pin block 2, have the locking groove of U-shaped on the trace 3 with the corresponding position of stop mechanism, when closing rolling-gate, the latch 9 of stop mechanism can fall into locking groove, when opening rolling-gate, the inclined-plane jack-up that latch 9 can be carried pin block 2 breaks away from locking groove, at trace 3 and 16 of guide pads back-moving spring 15 is housed, back-moving spring 15 produces elastic force after opening rolling-gate.

2, rolling-gate safety lock according to claim 1, it is characterized in that: it also is provided with swivel hook mechanism, the shift fork 4 of swivel hook mechanism is fixed on the trace 3, have elongated hole on the shift fork 4, one end of driving lever 5 is fixedlyed connected with swivel hook 6, the other end has a columniform projection, this projection can stretch in the elongated hole on the shift fork 4, this projection is eccentric with respect to the center of rotation of swivel hook 6, the rectilinear motion of trace 3 can drive swivel hook 6 by shift fork 4 and rotate back and forth a fixing angle, swivel hook 6 is the T font, two arms of swivel hook 6T font stretch out below rolling-gate, swivel hook fixed bin 8 is embedded in rolling-gate below and the swivel hook 6 corresponding ground, and swivel hook fixed bin 8 is the U font, and has and the corresponding breach of this T font arm size corresponding to two arm places of T font swivel hook 6 in its side.

3, rolling-gate safety lock according to claim 1, it is characterized in that: it also is provided with the triggering stopper pin device, trace 3 has the backing pin groove with the corresponding position of triggering stopper pin device, the triggering backing pin 12 of triggering stopper pin device backing pin groove therewith matches, when opening rolling-gate, the upper end of triggering backing pin 12 can fall into the backing pin groove, triggers the lower end of backing pin 12 simultaneously and stretches out below rolling-gate, when closing rolling-gate, trigger backing pin 12 and can be broken away from the backing pin groove by ground jack-up.

4, rolling-gate safety lock according to claim 1 is characterized in that: it also is provided with swivel hook mechanism simultaneously and triggers stopper pin device.

5, according to claim 3 or 4 described rolling-gate safety locks, it is characterized in that: the door lock that is adopted is the door lock that a kind of lock core that must reverse just can take out key.

6, according to claim 1,2,3 or 4 described rolling-gate safety locks, it is characterized in that: its main body is fixed on the facade of rolling-gate, adopts half-round head square neck bolt to connect, and its cup head is in outdoor.

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