CN203879130U

CN203879130U - Anti-theft lock cylinder

Info

Publication number: CN203879130U
Application number: CN201320847705.8U
Authority: CN
Inventors: 朱成业
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-21
Filing date: 2013-12-21
Publication date: 2014-10-15
Anticipated expiration: 2023-12-21

Abstract

The utility model relates to an anti-theft lock cylinder, which is a pin tumbler lock cylinder with a remarkable improvement on the structural design in comparison with a conventional lock cylinder. The improvement is characterized in that a rotor is cooperated with a stator in a planar mode because of the coaxial structural design that the rotor is disposed forward and the stator is disposed backward; and axial directions of pin tumbler groups are co-directional and parallel to those of the rotor and the stator and are also co-directional to a motion direction of a key and axial directions of corresponding pin tumbler pushing rods of the key. Locking points and unlocking points of the pin tumbler groups are disposed on a plane matching surface between the rotor and the stator so that differences among the pin tumblers are made large (differences among the long and short pin tumblers) to significantly increase the locking combinatorial number of the lock cylinder so that marked beneficial effects are obtained. The anti-theft lock cylinder is further provided with a group of contact switches for a circuit with the function of automatically locking in a time limit of 10 seconds and automatically restoring at a fixed time of 30 minutes to further effectively avoid technical unlocking.

Description

Anti-theft lock

Technical field

The utility model is anti-theft lock, specifically change the structure design of rotor and stator, changed the matching relationship between rotor and stator, changed the axial and work plane of pellet, taking anti-dial as main, change anti-technical opening into large pellet poor, large locking number of combinations and the locking of prescribing a time limit for 10 seconds.

Background technology

Existing lock core adopts rotor in inner stator inside and outside concentric co-axial structure design outside mostly, matching relationship between rotor and stator is that disc coordinates, the axis of pellet and rotor, axis stator are vertical, the direction of motion of key is vertical with the direction of motion of pellet, the necessary rounding of marble head, this just has a greatly reduced quality the original effective length of pellet.Each pellet group spacing is little in addition, for the poor concavo-convex spacing arranging of adaptation pellet is also little, (pellet group spacing equals concavo-convex on the key spacing on the key, pellet is poor equals corresponding concavo-convex poor on the key), obviously pellet is poor does not quite, locking number of combinations is little, mutual opening rate is high, technology unlocking is easy, for addressing these problems, all on anti-dial, make an effort, have and increase pellet group number, have special-shaped marble is set, have and establish that keyhole seals up a door, have and engulf master key, though that all this kind can improve beneficial effect is limited.

Summary of the invention

The utility model lock core is anti-theft lock, the large poor structure design of pellet, and increased locking functions in limited time.

The utility model solves the technical scheme that its technical problem adopts: poor to the pellet of lock core performance impact maximum for obviously strengthening, just on lock core structure, redesign.To before and after lock core rotor and stator, be arranged on same axis, the matching relationship that makes the two is that plane coordinates, be operated in pellet on plane fitting face axially and rotor stator axially in the same way, pellet group axis is distributed on rotor, around axis stator, and parallel, because pellet is operated on the fitting face of plane more closely between rotor and stator, marble head is without rounding, make locking point very accurate, less than 0.2mm, the direction of motion of key with tackle mutually on the key the moved axial direction of pellet push rod of corrective action of pellet, and the axial direction of pellet entirely in the same way, therefore poor do very large of pellet.This lock core is also provided with the contact switch that three anti-plug pins being driven by central ejector rod and set of circuits are used in addition, the effect that also has a bit self rotating gap (this gap technology is opened and is referred to as sensation) anti-plug pin due to lock core rotor when the locking is exactly to reduce this gap, unblank first to open anti-plug pin, in opening anti-plug pin, must make circuit contact switch closure, by contactor control circuit, by the circuit control time, 10 seconds in limited time, overtime automatic blocking lock body, technical opening is more than, locking is more than, only have technical opening to stop automatically recovering for latter 30 minutes normal.

The beneficial effects of the utility model are: the concrete size of this lock core is designed for adapting to most security doors, actual every group of two spring length sums are 33mm, pellet is poor is 30mm, experiment locking point is less than 0.2mm, for more reliable, locking point is made as 0.3mm, one group pellet 30/0.3=100 lock point, and 6 groups of pellets are exactly 100 ⁶=1 trillion lock point.Have 10 seconds in limited time, 1,000,000,000,000 lock points are difficult to settle in 10 seconds without spoon again.

Four, brief description of the drawings

Fig. 1 is lock core assembly structure schematic diagram (front view).

Fig. 2 is lock core assembly structural representation (A-A cuts open)

Fig. 3 is lock core assembly structural representation (B-B cuts open)

Fig. 4 is lock core assembly structural representation (C-C cuts open)

Fig. 5 is lock core explosive view

Fig. 6 is key assembly structural representation

Fig. 7 is timing circuit schematic diagram

Stationary contact in Fig. 5 (1), hard plastic support (2), Compress Spring (3), movable contact (4), (5), three anti-plug pins (6), center rod (7), marble spring compressing tablet (8), six marble springs (9), stator (10), six pellet groups (11), rotor (12), shift fork (13), body frame (14) in flakes.

Anti-plug pin push rod (15) in Fig. 6, six pellet push rods (16), two are pressed bayonet lock (17), two bayonet lock springs (18), push rod fixed block (19), key case (20), two slip slotted holes (21), four hole clippings (22), link (23).

Charging contact switch (K in Fig. 7 on lock core ₁), the discharge contact switch (K that touched by shift fork in lock body ₂), timing RC charge circuit (R ₂w ₁c ₁), timing RC discharge loop (R ₁c ₁), circuits for triggering (N ₁), phase inverter (3DG), monostable circuit (N ₂n ₃), micro machine (M), N ₁model is NE555

Five, detailed description of the invention

Assembling lock core-Fig. 5: stationary contact (1) is with hard plastic support (2) for being fixedly connected with, and Compress Spring (3) is put into support (2), movable contact (4) and three anti-plug pins (6) and central ejector rod (7) are connected with (5) in flakes.Six marble springs (9) are inserted in six marble holes of stator (10), six pellet groups (11) are put into six marble holes of rotor (12), again shift fork (13) is placed in the middle of body frame (14), press in body frame (14) before and after rotor (12) stator (10) afterwards, finally press marble spring compressing tablet (8), anti-plug pin (6) and central ejector rod (7) are inserted in stator (10), hard plastic support (2) is fixed on body frame (14) in the lump together with stator (10).

Assembling key-Fig. 6: two holes first two bayonet lock springs (18) being put into push rod fixed block (19), afterwards push rod fixed block (19) is put into key case (20), to press bayonet lock (17) inserts by slip slotted hole (21) in two holes of push rod fixed block (19), press down and turn 90o and make to press bayonet lock (17) and pass from four hole clippings (22), during with key, press and press bayonet lock (17) push rod fixed block (19) is skidded off from key case (20), push rod is protruded, during without key, push rod fixed block (19) is slipped in key case (20).

Lock core locking and unlatching: six marble springs (9) are pushed into extreme position by six groups of pellets (11) to rotor (12) direction, for allowing pellet (11) normally be operated in the marble hole of φ 3mm, be provided with the hole of one section of long φ 1.5mm of 8mm at rotor (12) end, this just stoped pellet (11) to eject, can allow again the pellet push rod (16) of φ 1.5mm on the key insert in rotor (12), because the length sum of two every group pellets (11) is 33mm, wherein 32mm is in rotor (12), 1mm is in stator (10), the restriction that now rotor (12) is subject to pellet (11) cannot be rotated and locking.While unblanking, key is inserted in rotor (12), anti-plug pin push rod (15) on the key and the pellet push rod (16) of six corresponding pellets (11) exit three anti-plug pins (7) simultaneously, and the combination end face of two pellets in each group of pellet (11) and rotor (12) are overlapped with the plane fitting face of stator (10), remove pellet (11) to the rotating restriction of rotor (12) self.

While opening the lock with the key, because the used time is few, the charging contact K switch on lock core ₁though closure but time are less than 10 seconds, C ₁upper institute charging voltage does not reach (N ₁) trigger voltage, lock just opened, by shift fork (13) touch discharge contact K switch ₂closed (K ₂in lock body), make C ₁electric discharge, C like this opens the lock with the key ₁on do not have voltage accumulation.If unblank without spoon, charging contact K switch in the time opening anti-plug pin ₁closure, C ₁start charging, within 10 seconds, can not open six groups of 1,000,000,000,000 lock point C that the large pellet of 30mm is poor in limited time ₁upper institute charging voltage reaches N ₁when trigger voltage, N ₁trigger output one negative pulse, make monostable N ₃logical temporarily, motor forward locking lock body and rotor, unblank without spoon more than, C ₁charging is more than, and locking is more than, only has without spoon and unblanks to have stopped, charging contact K switch ₁separately, C ₁on voltage pass through R ₁discharge 30 minutes, voltage is down to N ₁below gate voltage, N ₁export a positive pulse, through 3DG paraphase, make monostable N ₂the locking to lock body is removed in three-way motor reversion temporarily, recovers normal.

Claims

1. an anti-theft lock, it is the anti-theft lock of the poor structure design of large pellet, it is characterized in that: will before and after lock core rotor and stator, be arranged on same axis, the matching relationship that makes the two is that plane coordinates, be operated in pellet on plane fitting face axially and rotor stator axially in the same way, pellet group axis is distributed on around rotor, axis stator, and parallel, marble head is without rounding, make locking point very accurate, the direction of motion of key with tackle mutually on the key the moved axial direction of pellet push rod of corrective action of pellet, and the axial direction of pellet is entirely in the same way.