CN2319506Y - Anti-stirring anti-prizing safety door lock - Google Patents

Abstract

The utility model discloses an anti-stirring anti-prizing safety door lock, mainly composed of a lock bolt mechanism and a stirring rod mechanism two parts. The lock bolt mechanism is composed of a structure that a fixed slide way device on a fixed lock bolt mechanism in a three-safety door lock is moved to a movable lock bolt mechanism. Through the relative movement of the stirring rod mechanism and the lock bolt mechanism and the rotation of stirring ball in the door lock when the door lock is opened and locked, the anti-stirring anti-prizing safety door lock has the functions that when the door lock is opened, a lock bolt can be freely telescoped, and when the door lock is closed, the lock bolt is fixed in a lock catch box, and the lock bolt automatically enter the lock catch box.

Description

The anti-anti-prying door lock of dialling

The utility model relates to a kind of anti-anti-prying door lock of dialling.

At present three insurance locks that generally use generally by movable spring bolt mechanism and fixedly the separate spring bolt mechanism of spring bolt mechanism two covers form, wherein dead bolt band inclined-plane is movable spring bolt mechanism, because the effect of spring force, outside the common overhanging door lock box of dead bolt, in the stressed door lock box of doing to contract in the time spent, when door lock is closed, because of the dead bolt inclined-plane contacts with the keeper end face, dead bolt can enter in the keeper automatically, by key door lock is normally opened, but existed the external world to dial the defective that the picking lock tongue makes the door lock unnormal unlocking at door lock box and keeper junction with foreign matter.Dead bolt is not with the fixing spring bolt mechanism of being on inclined-plane, this mechanism is provided with the ground way device, no matter contract in the door lock box in the dead bolt or extend into keeper outward, the ground way device all is connected with fixed leg in the door lock box, usually contract in the dead bolt in the door lock box, remove the ground way device by key and be connected with fixed leg in the door lock box and stir fixedly that spring bolt mechanism just can make dead bolt enter in the keeper, door lock is closed.When door lock is closed, also remove ground way device and door lock earlier by key only and close being connected of interior fixed leg, door lock is normally opened, thereby overcome the defective of door lock unnormal unlocking, but exist to need door lock is closed the defective of making troubles to use simultaneously with key.

Task of the present utility model provides a kind of dead bolt and can enter in the keeper automatically, and can only make the anti-anti-prying door lock of dialling of door lock unlatching when door lock is closed with key.

The utility model insurance lock mainly is made up of parts such as spring bolt mechanism and lever bodies, wherein spring bolt mechanism is the ground way device of being made up of coulisse, spring, slide plate on the fixedly spring bolt mechanism of three insurance locks to be made amendment to be transplanted on the movable spring bolt mechanism afterwards constitute, have slideway on the slide plate, be provided with the trapezoidal bent limit corresponding in the lever body side, dial the pearl side and be provided with straight flange with slideway.The hole of stretching into of tongue mechanism upper lock tongue because keeper is only unblanked, shifting block when door lock opens and closes on the lever body can produce relative displacement to the slide plate on the spring bolt mechanism, by dialling pearl in this relative displacement or the rotary door lock box, all can oppress slide plate slides, make slideway on the slide plate according to the various behavior in service of door lock, fixed leg connects in the Shi Eryu door lock box, the time and break away from.When door lock is opened, the effect of claspless box, the equal free resilience of lever body and spring bolt mechanism, shifting block on the lever body and spring bolt mechanism upper slide are in relative static conditions, shifting block compressing slide plate slides, fixed leg breaks away from slide plate sliding way and the door lock box, and spring bolt mechanism is active state, and dead bolt can contract and can enter in the keeper automatically in the freedom.When door lock is closed, effect because of keeper, lever body can not resilience, shifting block after the spring bolt mechanism resilience on the lever body and the slide plate on the spring bolt mechanism produce relative displacement, because the effect of trapezoidal bent limit of slide plate and ground way device upper spring, slide plate produces resilience and slides, the slide plate sliding way is connected with door lock box fixed leg, spring bolt mechanism is stationary state, and extraneous foreign matters is stirred dead bolt, at this moment, can be by dialling pearl compressing slide plate straight flange in the key turns door lock box, make slide plate slides, skateboard ramp breaks away from fixedly pearl, opens door lock then.

Because spring bolt mechanism adopts the ground way device is transplanted to this structure of movable spring bolt mechanism, relativity by lever body, the utility model insurance lock has dead bolt and can enter in the keeper automatically, and when door lock is closed, and prevents that extraneous foreign matter from dialling the function of the lock of forcing open the door.

Below in conjunction with accompanying drawing the utility model structure and operating principle are described further.

Figure 1 shows that the maximum overhanging overhanging such anti-group anti-prying door lock of dead bolt when opening of dead bolt greater than door lock.

Figure 2 shows that the maximum overhanging overhanging identical such group anti-prying door lock of preventing of dead bolt when opening of dead bolt with door lock.

The insurance lock that Fig. 1 describes is mainly by spring bolt mechanism, lever body, and the door lock box, parts such as keeper are formed.Spring bolt mechanism is mainly by part 1 fixed head, part 2 coulisses, part 3 springs, part 4 slide plates, parts such as part 12 dead bolts are formed, wherein part 12 dead bolt overhanging ends are the inclined-plane, contact the generation axial thrust load with part 11 keeper end faces and make part 12 dead bolts be retracted into part 6 door lock box usefulness in the inclined-plane when closing for door lock, and the other end and part 1 fixed head are affixed; Part 1 fixed head is provided with part 2 coulisses, part 3 springs, and the ground way device that part 4 slide plates etc. are formed has for part 14, the two square moving teeth that 15 groups of pearls of part stir, and effect all the time has the elastic force of part 13 torsion springs generation; Part 2 coulisses are fixed on part 1 fixed head, and form chute for part 4 slide plate slides with part 1 fixed head, part 5 fixed leg positions on the counterpart 6 door lock boxes, part 1 fixed head and part 2 coulisses have the in-line slideway, and the spring bolt mechanism telescopic slide was used when the chute of confession part 4 slide plates and part 5 fixed legs broke away from; Part 4 slide plates are arranged in part 1 fixed head and the common chute that forms of part 2 coulisses, and all the time the effect have part 3 springs to provide spring force, make slide plate have the tendency of sliding all the time towards the lever body direction, counterpart 5 fixed legs, have two stairstepping slideways on part 4 slide plates, connect or release piece 5 fixed legs usefulness for slide plate, in the lever body side, counterpart 8 shifting blocks are provided with trapezoidal bent limit and a straight line rib corresponding with slideway, at part 14,15 groups of pearl sides of part, be provided with straight flange, two limits supply part 14 respectively, 15 groups of pearls of part, part 8 shifting blocks pressuring piece 4 slide plates as required slide away from the lever body direction along chute court, or the overhanging spring bolt mechanism that must not exceed of restriction lever body is used.Lever body is mainly by part 7 springs, part 8 shifting blocks, and part 9 connecting rods, parts such as part 10 blocks are formed.Part 10 block overhanging ends are the inclined-plane, and when out reach identical with part 12 dead bolts (or lower slightly), warranty element 12 dead bolt inclined-planes contacted with part 11 keeper faces, block and dead bolt were retracted in the part 6 door lock boxes synchronously, and the block other end and part 9 connecting rods are affixed; Part 9 connecting rods are provided with part 7 springs, fastener 8 shifting blocks; Part 11 keepers are only opened for what part 12 dead bolts entered and are stretched into the hole, and counterpart 10 blocks are not opened and stretched into the hole.As shown in Figure 1, this door lock is in the enable possition, since part 7 springs in two mechanisms, the effect of part 13 torsion springs, part 10 blocks, part 12 dead bolts all are overhanging state, simultaneously because part 8 shifting blocks are oppressed on the trapezoidal straight flange on the bent limit of part 4 slide plates, and part 5 fixed legs are in the part 4 slide plates first ladder slideway, because part 5 fixed legs stopping to the first ladder slideway, make part 10 blocks, part 12 dead bolts are overhanging to be equated.When closing door lock, part 12 dead bolt inclined-planes contact with part 11 keeper end faces, dead bolt inclined-plane generation axial thrust load makes in part 12 dead bolts and contracts, and by rib stop part 8 shifting blocks on the bent limit of part 4 slide plates, part 10 blocks and part 12 dead bolts are retracted in the part 6 door lock boxes synchronously, at this moment, because the relative position of part 8 shifting blocks and part 4 slide plates is constant, part 5 fixed legs still are in the part 4 slide plates first ladder slideway, do not influence the overhanging of spring bolt mechanism.When closing door lock, align because of stretching into the hole on part 12 dead bolts and part 11 keepers, under the effect of part 13 torsion springs, part 12 dead bolts are overhanging and enter in part 11 keepers, the hole of stretching into owing to no part 10 blocks on part 11 keepers, part 10 blocks contract in still motionless in the part 6 door lock boxes, at this moment, the relative position of part 8 shifting blocks and part 4 slide plates changes, entering part 11 keepers at part 12 dead bolts stretches in the process in hole, when part 12 dead bolts enter distance that part 11 keepers stretch into the hole when equaling door lock and opening during the dead bolt out reach, because part 8 shifting blocks are the trapezoidal straight flange of release piece 4 slide plates, because part 3 spring action parts 4 slide plates slide towards the lever body direction, make part 5 fixed legs enter the part 4 slide plates second ladder slideway, then part 5 fixed legs were eliminated stopping of part 4 skateboard ramps, part 12 dead bolts can enter part 11 keepers further, when part 12 dead bolts extend into part 11 keepers outside fully and stretch into the hole, part 5 fixed legs are in the turning point of the second ladder slideway, because part 3 spring actions, part 4 slide plates slide towards the lever body direction once more, the link slot that makes part 5 fixed legs enter part 4 skateboard ramps is connected with slide plate, at this moment dial sled part 12 dead bolts if any foreign matter, because part 5 fixed legs are to the barrier effect of part 4 skateboard ramps, contract in dead bolt is not understood opens door lock improperly, and spring bolt mechanism is fixedly spring bolt mechanism state.When opening door lock, have only part 14 or 15 groups of pearls of part in the rotary door lock box, the straight flange of elder generation's pressuring piece 4 slide plates, it is slided towards producing away from the lever body direction along chute, part 5 fixed legs come back to the second ladder slideway and break away from the slide plate link slot, be rotated further 15 groups of pearls of part 14 or part, moving tooth on shifting part 1 fixed head, part 12 dead bolts are retracted in the part 6 door lock boxes, and door lock is opened, at this moment, because part 12 dead bolts, part 10 blocks are all got back in the door lock box, and part 8 shifting blocks then come back on the trapezoidal straight flange on the bent limit of part 4 slide plates, and spring bolt mechanism recovers to be movable spring bolt mechanism state.As making door lock be the unlatching shape, part 10 blocks and the overhanging of part 12 dead bolts recover identical again.

The described insurance lock of Fig. 2 is on the basis of insurance lock shown in Figure 1, the cancellation part 4 slide plates second ladder slideway, shorten the length of part 12 dead bolts, make the height of the trapezoidal straight flange in the bent limit of part 4 slide plates corresponding simultaneously with its slideway, all the other structures and operating principle all are similar to insurance lock shown in Figure 1, and insurance lock then shown in Figure 2 just becomes the overhanging identical such anti-anti-prying door lock of dialling of dead bolt when the dead bolt maximum is overhanging opens with door lock.

Claims (3)

1. anti-group anti-prying door lock enters in part 11 keepers part 12 dead bolts by the part 13 torsion spring power that act on the spring bolt mechanism, and door lock is closed, and by stirring of part 14 or 15 groups of pearls of part, in the part 6 door lock boxes that contract in part 12 dead bolts, door lock is opened; It is characterized in that in part 6 door lock boxes, respectively being provided with a cover dead bolt mechanism and a lever body, spring bolt mechanism be with on the fixedly spring bolt mechanism of three insurance locks by part 2 coulisses, part 3 springs, be transplanted on the movable spring bolt mechanism after the ground way device that part 4 slide plates are formed is made amendment and constitute, have slideway on part 4 slide plates, be provided with the trapezoidal bent limit corresponding with slideway in the lever body side, 15 groups of pearl sides of part 14 or part are provided with straight flange, only have on part 11 keepers to allow the hole of stretching into that part 12 dead bolts enter.

2. the anti-anti-prying door lock of dialling according to claim 1, when it is characterized in that when the maximum out reach of part 12 dead bolts is opened greater than door lock part 12 dead bolt out reach, slideway on part 4 slide plates is two stairsteppings, when part 12 dead bolt out reach equated when the maximum out reach of part 12 dead bolts is opened with door lock, the slideway on part 4 slide plates was L shaped.

3. the anti-anti-prying door lock of dialling according to claim 1, it is characterized in that on the trapezoidal bent limit of part 4 slide plates straight side length should with corresponding slideway coupling.

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