CN2172797Y

CN2172797Y - Mechnical puzzle interlocking theft-proof door lock

Info

Publication number: CN2172797Y
Application number: CN 93241628
Authority: CN
Inventors: 童毅明
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-10-16
Filing date: 1993-10-16
Publication date: 1994-07-27
Anticipated expiration: 2003-10-16

Abstract

A mechanical puzzle interlocking theft-proof door lock relates to an anti-theft door lock installed on a split door of a residence. The utility model is composed of a box, a spring door lock, a mechanical puzzle interlocking device, a push rod, an automatic obstacle removing device and an acoustic alarm, which are installed in the box. Operation of corresponding keys of the mechanical puzzle interlocking device can realize interlocking or removing of interlocking among the mechanical puzzle interlocking device, the spring door lock and a box door lock. When the spring door lock is picked, broken or drilled by other people, the acoustic alarm is triggered to send out alarming sound. If necessary, the interlocking can be cancelled by the automatic obstacle removing device. The utility model is ingenious in structure. The utility model can prevents picking, drilling and universal keys, and remove obstacle automatically.

Description

Mechnical puzzle interlocking theft-proof door lock

The utility model relates to a kind of safe-guard door lock that is installed on the shelter partition door.

Safe-guard door lock of the prior art roughly can be divided three classes, i.e. pin tumbler lock, Puzzle door lock and electronic lock, and Puzzle door lock can be divided into mechanical cipher type and electronic cipher type door lock two classes again.The confidentiality of mechanical cipher type door lock is stronger, can anti-drilling and preventing universal key, but be difficult for getting rid of when breaking down.Electronic cipher type door lock has the identical advantage of mechanical cipher type door lock, but its cost is higher, and electric elements must have permanent electric power source in the lockset, is difficult to when breaking down get rid of, and easily owner " is kept outside of the door ".Other electrical type door lock also must possess permanent electric power source, and cost is all quite high.Pin tumbler lock compact conformation, easy to use, reliability is stronger, and cost is also lower, but the poor-performing of its pick-proof, anti-drilling and preventing universal key, and generally be not with alarm.In addition, pin tumbler lock does not generally stay the maintenance duct, easily owner is kept outside of the door when breaking down or the door locked in.As reserve the maintenance duct, and bring hidden danger then for again the safety of lockset, reduced the theftproof performance of lockset.

The purpose of this utility model promptly is the structure of safe-guard door lock is improved, make it both have stronger confidentiality, also be convenient to when breaking down get rid of, meet when the theft one's share of expenses for a joint undertaking is implemented picking lock, bores lock or behavior such as unblanked with master key and also can send acoustic alarm signal.

To achieve these goals, the utility model utilizes interlocking mechanism that pin tumbler lock and mechanical cipher interlock are interlocked, set up a sonic alarm simultaneously, thereby the reliability and the confidentiality of lockset have been improved, in order to be convenient to get rid of the lockset fault where necessary, the utility model has also been set up the automatic obstacle deflector of a cover.The utility model is also with pin tumbler lock, parts such as mechanical cipher interlock, sonic alarm and automatic obstacle deflector place in the casing that has the chamber door lock, and make between chamber door lock and the mechanical cipher interlock and also interlocked, thereby further strengthened the safe antitheft performance of lockset.Be described in further detail below in conjunction with the technical characterictic of specific embodiment the utility model mechanical cipher interlocking type safe-guard door lock.

Accompanying drawing 1 is the structural representation of the utility model mechanical cipher interlocking type safe-guard door lock;

Accompanying drawing 2 is the structural representation of automatic obstacle deflector;

Accompanying drawing 3 is the structural representation of push rod clutch.

With reference to the accompanying

drawings

1,2,3, the utility model mechanical cipher interlocking type safe-guard door lock mainly by casing and be installed in pin tumbler lock in the casing, mechanical cipher interlock, push rod, obstacle deflector and sonic alarm are formed automatically.Casing 1 is installed on the partition door fan, its rear side is equipped with chamber door 2 and chamber door lock 3, the front end of chamber door lock 3 has the cam 4 of working in coordination with the pin tumbler lock locking bar, have left lock pin 5, middle lock pin 6 and the right lock pin 7 of working in coordination on the cam 4, utilize the chamber door lock key can make cam 4 rotate and get respectively three positions, left, center, right with the push rod locking plate.Pin tumbler lock is common security door cylinder lock, mainly comprise lock pin 8, interlocking wheel 9, handwheel 10, eccentric cam 11 and locking bar 12, locking bar 12 is worked in coordination with eccentric cam 11 can make handwheel 10 lockings or free, utilizes handwheel or utilize the pin tumbler lock key and take turns 9 by interlocking to make lock pin 8 lockings or unlatching.The mechanical cipher interlock comprises a start button, an interlocked keys and ten figure keys, and the one side has the push rod 13 that matches with push rod, handles figure key, interlocked keys or start button and can make move to right locking or reset of push rod 13.Push rod comprises left push rod 14 and right push rod 15, is stacked on the casing and can relatively moves along long pin hole 17 by pin 16 and long pin hole 17.The left end of right push rod 14 links to each other with mechanical cipher interlock sidewall by connecting rod 18, connecting rod 18 and the push rod 13 of mechanical cipher interlock one side are worked in coordination and left push rod 14 is moved to right or resetted, the right-hand member of left side push rod 14 has by two lock pawls 19 and spring 20 is formed and expansible or closed clutch, lock pawl 19 right-hand members docked with right push rod 15 when clutch was closed, right push rod 15 can move to left and enters between two lock pawls 19 when clutch opened, the right-hand member of right side push rod 15 and pin tumbler lock interlocking wheel 9 are worked in coordination and the lock pin 8 of pin tumbler lock is locked or freedom, have on the right push rod 15 be used to make stage clip 21 that right push rod moves to left and with chamber door lock cam on left lock pin 5, the locking plate 22 that middle lock pin 6 and right lock pin 7 are worked in coordination, the warning lever 24 that an alarm travel switch 23 also is housed and works in coordination with the trip switch 23 on the right push rod 15, the right-hand member of warning lever 24 and right push rod 15 right-hand members are evened up.Automatically obstacle deflector comprises controller, delayer and travel switch, steering controller can make delayer startup work and connect sonic alarm by travel switch and send alarm sound, the delayer time-delay can make right push rod 15 move to left when finishing, and the interlocking between cancel system password interlock and the pin tumbler lock also stops reporting to the police.

Delayer can have multiple pattern, and what the utility model adopted is pneumatic delayer, and obstacle deflector is then mainly by controller automatically, and pneumatic delayer and travel switch are formed.Controller is made of row's barrier cylinder lock and runner, row's barrier cylinder lock 25 is installed in the front side of casing 1, its lock core rear end has the plectrum 26 of working in coordination with runner, runner 27 is installed on the casing 1 by wheel shaft 28 and can rotates around wheel shaft 28, has respectively the finger 29 and the knock-out pin 30 of working in coordination with row's barrier cylinder lock plectrum 26 and pneumatic delayer on it.Pneumatic delayer is made of housing, leather cup and setting valve; The below of leather cup 31 has a connecting rod 32, and the slide block 33 of working in coordination with runner knock-out pin 30 is equipped with in the bottom of connecting rod 32, and the top of connecting rod 32 is set with a spring 34, and the middle part of connecting rod 32 has the lever 35 of working in coordination with travel switch; Set up valve 36 and be installed in the top of housing 37 and the speed (being delay time) of adjustable directed leather cup 31 interior air inlets, travel switch 38 is the closed type switch, be installed on the pneumatic delayer housing 37 and and work in coordination, send audible alarm or stop warning to trigger sonic alarm with the lever 35 at connecting rod middle part.

The user mode of the utility model mechanical cipher interlocking type safe-guard door lock can reduce following 4 kinds of situations.

One, outdoor interlocking:

Earlier utilize the chamber door lock key that chamber door is locked cam 4 to place right position indoor, the rotation of cam 4 moves to right pin tumbler lock locking bar 12 and makes handwheel 10 lockings by eccentric cam 11.After indoor occupant goes out the family, security door cuts out, utilize the pin tumbler lock key to make lock pin 3 lockings.Press mechanical cipher interlock figure key according to self-editing password, operate accurately at figure key and press interlocked keys under the situation, make push rod 13 locking that moves to right.Push rod 13 moves to right left push rod 14 by connecting rod 18 and moves to right by the right push rod 15 of clutch locks pawl pushing tow, and right push rod right-hand member promptly inserts in the interlocking wheel 9 of pin tumbler lock and making the locking of interlocking wheel, realizes the open air interlocking between mechanical cipher interlock and the pin tumbler lock.Meanwhile, the locking plate 22 on the right push rod is worked in coordination with the right lock pin 7 on the cam, makes and also realizes interlocking between chamber door lock and the mechanical cipher interlock.

Under the Interlock Status, thief promptly can cause the minor rotation of interlocking wheel 9 and connect alarm travel switch 23 by warning lever 24 if want to force lock pin 8 to be opened outdoor by external force, trigger sonic alarm and send audible alarm out of doors.Owing to the interlocking between chamber door lock and the mechanism's password interlock, the thief in other passage (as window or balcony) inlet chamber also can't be from indoor unlatching chamber door lock and safe-guard door lock again.

Two, outdoor unlatching:

During from outdoor unlatching safe-guard door lock, at first press mechanical cipher interlock figure key according to private code, under the errorless situation of figure key operation, pressing start button resets push rod 13, right push rod 15 promptly moves to left under the promotion of stage clip 21 and by clutch locks pawl 19 left push rod 14 is moved to left simultaneously, and right push rod 15 separates with interlocking wheel 9, and lock pin 8 is in free state, interlocking between mechanical cipher interlock and the pin tumbler lock is removed at once, utilizes the pin tumbler lock key can open security door.Meanwhile, right push rod 15 moves to left locking plate 22 is separated with right lock pin 7 on the cam, the also releasing thereupon of interlocking between chamber door lock and the mechanical cipher interlock.

Three, indoor self-locking and unlatching

Utilize the chamber door lock key that cam 4 is placed meta, cam 4 separates with locking bar 12, and locking bar 12 separates with eccentric cam 11, and handwheel 10 is in free state.Meanwhile, the middle lock pin 6 on the cam 4 is worked in coordination with the locking plate 22 on the right push rod, with right push rod 15 lockings, makes it and can not move to right.At this moment, the householder need be lockable or open security door by operation handwheel 10 at indoor.

As utilize the chamber door lock key that cam 4 is placed position, a left side, then make handwheel 10 lockings by locking bar 12 and eccentric cam 11.Meanwhile, the left lock pin on the cam 45 is worked in coordination right push rod 15 lockings with the locking plate 22 on the right push rod.At this moment, all must could open or the locking pin tumbler lock at indoor or outdoors with the pin tumbler lock key.

Four, row's barrier and warning automatically

There was a mechanical failure when mechanism's password interlock or push rod, or the user be can't open safe-guard door lock just in case forget Password the time, can operate automatic obstacle deflector and remove interlocking between mechanical cipher interlock and the pin tumbler lock.The row's of utilization barrier marble lock key rotates the lock core of row's barrier cylinder lock 25, and the plectrum 26 of its rear end drives runner 27 rotations by finger 29, and runner 27 is by moving on knock-out pin 30 driving sliding block 33.Slide block 33 is at the last lock pawl 19 that will back down left push rod clutch in the journey that moves past, right push rod 15 left ends and lock pawl 19 are disengaged and enter between two lock pawls and contact with slide block 33 right-hand members, this moment, right push rod 15 separated with left push rod 14, but still interlocked with interlocking wheel 9.Slide block 33 also starts working pneumatic delayer by connecting rod 32 and leather cup 31 last moving past in the journey, disconnects closed type travel switch 38, triggers the sonic alarm warning by lever 35 simultaneously.In between the time delay of pneumatic delayer, connecting rod 32 moves down under the effect of spring 34 gradually, when finishing between the time delay that the user sets up, slide block 33 resets, right push rod 15 separates with the right-hand member of slide block 33 and continues to move to left and separate with interlocking wheel 9, so far, mechanical cipher interlock and pin tumbler lock automatically terminate interlocking after between time delay.Meanwhile, lever 35 and travel switch 38 reset, and sonic alarm stops reporting to the police.Interlocking utilizes the pin tumbler lock key can open security door after removing.

The utility model structure is ingenious, interlocking between mechanical cipher interlock and pin tumbler lock and the chamber door lock has improved the confidentiality and the reliability of lockset greatly, and make safe-guard door lock have the function of pick-proof, anti-drilling and preventing universal key, meet and to trigger sonic alarm when thief external force is unblanked and send alarm sound, can get rid of the mechanical breakdown of push rod or mechanical cipher interlock in case of necessity by automatic obstacle deflector.Therefore, the utility model is particularly suitable for as shelter partition door safe-guard door lock.

Claims

1, a kind of mechanical cipher interlocking type safe-guard door lock that is installed on the shelter partition door, it is characterized in that it be by casing and be installed in pin tumbler lock in the casing, mechanical cipher interlock, push rod, obstacle deflector and sonic alarm constitute automatically, casing is installed on the partition door fan, its rear side is equipped with chamber door and chamber door lock, chamber door lock front end has the cam of working in coordination with the pin tumbler lock locking bar, have the left lock pin of working in coordination, middle lock pin and right lock pin on the cam, utilize the chamber door lock key can make cam rotation also get three positions, left, center, right respectively with push rod; Pin tumbler lock is the common spring lock, mainly comprise lock pin, interlocking wheel, handwheel, eccentric cam and locking bar, locking bar and eccentric cam are worked in coordination and can be made handwheel locking or free, utilize handwheel or utilize the pin tumbler lock key and can make lock pin locking or unlatching by the interlocking wheel; The mechanical cipher interlock comprises a start button, an interlocked keys and ten figure keys, and the one side has the push rod of working in coordination with push rod, handles figure key, interlocked keys or start button and can make move to right locking or reset of push rod; Push rod comprises left push rod and right push rod, be stacked on the casing and can relatively move by pinning and long pin hole along the long pin hole, the left end of left side push rod links to each other with mechanical cipher interlock sidewall by a connecting rod, the push rod of connecting rod and mechanical cipher interlock one side is worked in coordination and left push rod is moved to right or resetted, the right-hand member of left side push rod has by two lock pawls and spring is formed and expansible or closed clutch, the lock pawl right-hand member docked with right push rod when clutch was closed, right push rod can move to left and enters between two lock pawls when clutch opened, and the right-hand member of right push rod is worked in coordination with pin tumbler lock interlocking wheel and can be made locking of pin tumbler lock lock pin or freedom; Have on the right push rod and be used to make stage clip that right push rod moves to left and the locking plate of working in coordination with the lock pin on the chamber door lock cam, the warning lever that an alarm travel switch also is housed and works in coordination on the right push rod with the trip switch, the right-hand member of warning lever and right push rod right-hand member are evened up; Automatically obstacle deflector comprises controller, delayer and travel switch, and steering controller can make delayer startup work and connect sonic alarm by travel switch and send alarm sound, when delaying time end right push rod is moved to left and remove interlocking and stop warning.

2, mechanical cipher interlocking type safe-guard door lock according to claim 1 is characterized in that described automatic obstacle deflector by controller, and pneumatic delayer and travel switch are formed, and controller is made of row's barrier cylinder lock and runner; Row's barrier cylinder lock is installed in the front side of casing, its lock core rear end has the plectrum of working in coordination with runner, runner is installed on the casing by wheel shaft and can rotates around wheel shaft, has respectively the finger and the knock-out pin of working in coordination with row's barrier cylinder lock plectrum and pneumatic delayer on it; Pneumatic delayer is by housing, leather cup and setting valve constitute, the below of leather cup has a connecting rod, the slide block that the bottom dress and the runner knock-out pin of connecting rod worked in coordination, the top of connecting rod is set with a spring, the middle part of connecting rod has the lever of working in coordination with travel switch, sets up valve and is installed in the top of housing and the speed of the interior air inlet of adjustable directed leather cup; Travel switch is installed on the pneumatic delayer housing and with the lever at connecting rod middle part and works in coordination, and reports to the police or stops reporting to the police to trigger sonic alarm.