CN201649882U

CN201649882U - Pickproof automatic lock

Info

Publication number: CN201649882U
Application number: CN2010291800704U
Authority: CN
Inventors: 卢华升
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-02-04
Filing date: 2010-02-04
Publication date: 2010-11-24
Anticipated expiration: 2020-02-04

Abstract

The utility model relates to a pickproof automatic lock, particularly relates to a multifunctional pickproof automatic lock, which comprises a lock bolt assembly, the lock bolt assembly is arranged in a lock shell, and comprises a movable board and a lock bolt control mechanism controlling the movement of the movable board; a lock bolt and a stabilizer bar are fixed on the movable board; an outer contact terminal is fixed at one end of the lock bolt, an inner contact terminal is fixed at the other end; a movable block is sleeved on the stabilizer bar, is connected with the stabilizer bar through a spring, and is clamped into a lock bolt hole through a compression spring. The automatic lock provided by the utility model adopts the scheme that when the lock bolt comes out of the lock shell and the stabilizer bar enters the lock bolt hole on a door frame, the movable block locks the lock bolt hole under the action of the spring, to automatically adjust the gap between the lock bolt hole and the lock bolt to the minimum so as to prevent noises caused by swaying of a door hinge due to the gap. The stabilizer bar has another benefit that since the gap between the lock bolt and the lock bolt hole is eliminated, the function of supporting door hinge also can be achieved, and inclination of the door hinge due to gravity under long-term use can be prevented.

Description

A kind of multifunctional burglary-resistant automatic locking

Technical field

The utility model relates to a kind of antitheft automatic locking.

Background technology

Automatic locking is easy to use because of automatically locking at closing time, is used widely.As shown in Figure 1, 2, general automatic locking comprises dead bolt assembly 23, dead bolt assembly 23 is arranged in the lock housing 2, dead bolt 1 is set on the dead bolt assembly 23, control dead bolt 1 and finish and lock and unblank by being arranged on dead bolt controlling organizations in the lock housing 2 simultaneously, the general structure of dead bolt controlling organization is now: the lock cores 17 that are provided with in the lock housing 2, and lock core 17 connects the gear 18 of unblanking, unblank gear 18 connects dead bolts 1, is fixed with outer contact 4 and interior contact 24 on the dead bolt 1; Also be provided with control hook 8 in the lock housing 2, control hook 8 is hinged in the lock housing 2, and control hook 8 one ends are near interior contact 24, and control hook 8 other ends hook latch bolt spring 9, and latch bolt spring 9 connects dead bolt 1.Such lockset at closing time, outer contact 4 knocking door cases, 24 actions of interior contact, bump control hook 8 makes the latch bolt spring 9 control hook 8 that gets loose, latch bolt spring 9 ejects lock housing 2 with dead bolt 1, dead bolt 1 extend in the dead bolt hole 13 of doorframe, promptly locks.Otherwise then, by key operated lock core 17, lock core 17 drives the gear 18 of unblanking when unblanking, and the gear 18 of unblanking comes back to dead bolt 1 in the lock housing 2, and control hook 8 restitutions hook latch bolt spring 9 again.

There are clearance issues in such lockset dead bolt and doorframe dead bolt hole, because of dead bolt and dead bolt hole need reserve certain interval for using, rock the generation noise but this gap can cause door leaf, influence service property (quality).And the pick-proof performance also waits to strengthen, and existing dead bolt is generally cylinder or square rod shaped structure, and twisting resistance is limited, in case the lock body distortion takes place, dead bolt then can skid off from doorframe, and makes lockset forfeiture blocking function.

Summary of the invention

The purpose of this utility model is to provide a kind of gap of eliminating between dead bolt and the dead bolt hole, the automatic locking that the prevention door leaf rocks.

The technical solution of the utility model: a kind of multifunctional burglary-resistant automatic locking, comprise the dead bolt assembly, the dead bolt assembly is arranged in the lock housing; Described dead bolt assembly comprises the dead bolt controlling organization of portable plate and the activity of control portable plate, be fixed with dead bolt and stabiliser bar on the described portable plate, an end is fixed with outer contact on the described dead bolt, the other end be fixed with interior contact, be with movable block on the stabiliser bar, be connected by spring between movable block and the stabiliser bar, movable block snaps in dead bolt hole by the compression spring.

As preferably, also be provided with pick-proof piece and detention bar on the described portable plate, the pick-proof piece is provided with the pick-proof hook, and there is the hook of protrusion at pick-proof hook two ends, is " U " font, described detention bar surface is provided with jagged detention groove, when locking a door, the dead bolt assembly is locked, and portable plate drives the pick-proof piece and the detention bar enters in the dead bolt hole of doorframe, a hook of pick-proof hook is hooked in the lock housing, and another hook is hooked in the doorframe.

As preferably, described dead bolt controlling organization comprises lock core, and lock core connects the gear of unblanking, and the gear of unblanking connects portable plate; Also be provided with the control hook in the lock housing, the control hook is hinged in the lock housing, and control hook one end is near interior contact, and the control hook other end hooks latch bolt spring, and latch bolt spring connects portable plate; By interior contact bump control hook, latch bolt spring breaks away from the control hook dead bolt is ejected lock housing.

As preferably, described portable plate is provided with two pick-proof pieces up and down.

As preferably, described pick-proof piece is provided with two pick-proof hooks up and down.

Automatic locking of the present utility model is after dead bolt comes out to lock in the lock housing, stabiliser bar enters the doorframe dead bolt hole, movable block blocks dead bolt hole under spring action, thereby automatically gap between dead bolt hole and the dead bolt is adjusted to minimum, prevents that door leaf from rocking because of the gap causes and produces noise thereby reach.Another function of stabiliser bar also can play an effect of supporting door leaf then because eliminated the gap between dead bolt and the dead bolt hole, can prevent door leaf because of the permanent skew back that uses gravity to bring thus.

Increase the pick-proof hook simultaneously on original common automatic locking basis, this pick-proof hook is U type structure, and two hooks of protrusion are arranged, and after locking a door, two one of hooks are hooked in the lock housing, and another is hooked in the doorframe.This structure is when forcing open the door, and the hook at two ends is buckled together doorframe and door leaf, has greatly strengthened antitorque pulling force.In like manner, the detention bar is jagged detention groove because of the surface is provided with, and when dead bolt deformed, doorframe dead bolt hole edge can be embedded in the detention groove, thus the resistance when increasing dead bolt and skidding off doorframe.The acting in conjunction of above-mentioned two kinds of pick-proof structures improves the tamper-resistant function of automatic lockset significantly.

Description of drawings

Fig. 1 is the structural representation of traditional automatic locking;

Fig. 2 is the structural representation of traditional automatic locking locking state;

Fig. 3 is the structural representation of the utility model automatic locking;

Fig. 4 is the schematic diagram of the utility model automatic locking locking state;

Fig. 5 is the generalized section of the utility model stabiliser bar;

Fig. 6 is locking state schematic diagram when last for the utility model is installed in.

The specific embodiment

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

Shown in Fig. 3-5, a kind of multifunctional burglary-resistant automatic locking comprises dead bolt assembly 23, and dead bolt assembly 23 is arranged in the lock housing 2; Described dead bolt assembly 23 comprises the dead bolt controlling organization of

portable plate

3 and 3 activities of control portable plate, be fixedly connected with dead bolt 1 on the portable plate 3, pick-proof piece 5, detention bar 6, an end is fixed with outer contact 4 on the described dead bolt 1, contact 24 in being fixed with of the other end, described pick-proof piece 5 is provided with pick-proof hook 20, there is the hook of protrusion at pick-proof hook 20 two ends, be " U " font, described detention bar 6 surfaces are provided with the jagged detention groove 12 that can snap in the doorframe dead bolt hole 13, when locking a door, dead bolt assembly 23 is locked, portable plate 3 drives pick-proof piece 5 and detention bar 6 enters in the dead bolt hole 13 of doorframe, a hook of pick-proof hook 20 is hooked in the lock housing 2, and another hook is hooked in the doorframe.Be fixed with stabiliser bar 7 on the portable plate 3, be with movable block 15 on the stabiliser bar 7, be connected by spring 16 between movable block 15 and the stabiliser bar 7, movable block 15 snaps in dead bolt hole 13 by compression spring 16.Described portable plate 3 is provided with two pick-proof pieces 5 up and down.Described pick-proof piece 5 is provided with two pick-proof hooks 20 up and down.The dead bolt controlling organization comprises lock core 17, and lock core 17 connects the gear 18 of unblanking, and the gear 18 of unblanking connects portable plate 3; Also be provided with control hook 8 in the lock housing 2, be hinged in the lock housing 2 in the middle of the control hook 8, control hook 8 one ends are near interior contact 24, thereby control hook 8 other ends hook latch bolt spring 9 by hooking spring bearer plate 19, and latch bolt spring 9 connects portable plate 3; By interior contact 24 bump control hooks 8, latch bolt spring 9 breaks away from control hook 8 dead bolt 1 is ejected lock housing 2.

As shown in Figure 6, automatic locking is installed on the door leaf 21, when closing the door, outer contact 4 knocking door cases 22, contact 24 bump control hooks 8 one ends in driving, spring bearer plate 19 discharges latch bolt spring 9 thereby control hook 8 other ends get loose, latch bolt spring 9 is extrapolated to lock housing 2 with portable plate 3, dead bolt 1, pick-proof piece 5, detention bar 6 and stabiliser bar 7 all enter dead bolt hole 13, and one of two hook of the pick-proof hook 20 that is provided with on the pick-proof piece 5 are hooked in the lock housing 2, and another hook is hooked in the doorframe 22.When stabiliser bar 7 enters into dead bolt hole 13, dead bolt hole 13 extruding movable blocks 15, movable block 15 compression springs 16 snap onto in the dead bolt hole 13, like this under spring 16 effects, movable block 15 tightly blocks dead bolt hole 13, thereby automatically gap between dead bolt hole 13 and the stabiliser bar 7 is adjusted to minimum, minimum is adjusted in the gap that is about between whole dead bolt and the dead bolt hole, prevents that door leaf 21 from rocking because of the gap causes and produces noise thereby reach.

In the time of thief's picking lock, except original dead bolt plays the function of locking, four pick-proof hooks 20 altogether on two pick-proof pieces 5 are closely together doorframe 22 and door leaf 21 up and down, strengthened antitorque pulling force greatly, in like manner, detention bar 7 is jagged detention groove 12 because of the surface is provided with, when dead bolt 1 deforms, doorframe dead bolt hole 13 edges can be embedded in the detention groove 12, thus the resistance when increasing dead bolt 1 and skidding off doorframe 22.The acting in conjunction of above-mentioned two kinds of pick-proof structures improves the tamper-resistant function of automatic lockset significantly.

Claims

1. a multifunctional burglary-resistant automatic locking comprises dead bolt assembly (23), and dead bolt assembly (23) is arranged in the lock housing (2); It is characterized in that, described dead bolt assembly (23) comprises portable plate (3) and the movable dead bolt controlling organization of control portable plate (3), be fixedly connected with dead bolt (1), stabiliser bar (7) on the portable plate (3), the last end of described dead bolt (1) is fixed with outer contact (4), the other end be fixed with interior contact (24), be with movable block (15) on the described stabiliser bar (7), be connected by spring (16) between movable block (15) and the stabiliser bar (7), movable block (15) snaps in dead bolt hole (13) by compression spring (16).

2. a kind of multifunctional burglary-resistant automatic locking according to claim 1, it is characterized in that also be provided with pick-proof piece (5) and detention bar (6) on the described portable plate (3), pick-proof piece (5) is provided with pick-proof hook (20), there is the hook of protrusion at pick-proof hook (20) two ends, are " U " font; Detention bar (6) surface is provided with jagged detention groove (12), when locking a door, dead bolt assembly (23) is locked, and portable plate (3) drives pick-proof piece (5) and detention bar (6) enters in the dead bolt hole (13) of doorframe, and two hooks of pick-proof hook (20) are hooked in respectively in lock housing (2) and the doorframe.

3. a kind of multifunctional burglary-resistant automatic locking according to claim 2 is characterized in that described dead bolt controlling organization comprises lock core (17), and lock core (17) connects the gear (18) of unblanking, and the gear of unblanking (18) connects portable plate (3); Also be provided with control hook (8) in the lock housing (2), control hook (8) is hinged in the lock housing (2), and control hook (8) one ends are near interior contact (24), and control hook (8) other end hooks latch bolt spring (9), and latch bolt spring (9) connects portable plate (3); By interior contact (24) bump control hook (8), latch bolt spring (9) breaks away from control hook (8) dead bolt (1) is ejected lock housing (2).

4. a kind of multifunctional burglary-resistant automatic locking according to claim 3 is characterized in that, described portable plate (3) is provided with two pick-proof pieces (5) up and down.

5. a kind of multifunctional burglary-resistant automatic locking according to claim 4 is characterized in that, described pick-proof piece (5) is provided with two pick-proof hooks (20) up and down.