CN2153605Y

CN2153605Y - Magnetic induction cipher lock and key

Info

Publication number: CN2153605Y
Application number: CN 92229485
Authority: CN
Inventors: 周宏�
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-07-30
Filing date: 1992-07-30
Publication date: 1994-01-19
Anticipated expiration: 2002-07-30

Abstract

The utility model relates to a lock and a key which are used on anti-theft doors, the doors of safes, etc. The door can not be opened when the lock hole of the present cylinder built-in lock or the electronic door lock is plugged and the key is lost, and the key can be duplicated by other people. The utility model provides a mechanical lock without the lock hole, mechanisms in the mechanical lock are shifted by the magnetic induction force, the inner part of the lock is provided with pre-installed numbers which can be adopted optionally, and the confidential performance is high. The mechanical lock has no special key, can find optionally a substitute when the key is lost, and the door is opened according to the cipher. When the mechanical lock is arranged on safety doors, anti-fire doors, arsenal doors and shipping containers, the utility model also has the advantages of anti-touch performance, anti-rain performance and anti-dust performance, and the door has the timely opening. The mechanical lock can be used as a protective device by connecting other locks mutually. The mechanical lock has no power supply, has firm structure, has no special maintenance tool, and can be made in common machine works.

Description

Magnetic induction cipher lock and key

The utility model is used for fixing lock and the key on doors such as security door, safety cabinet.Existing pellet shot from a slingshot built-in lock, electronic lock are that the key insertion is provided with lockhole.When key folding in lockhole or lockhole when being blocked because of other reason, can not open the door of keyed.Simultaneously indispensable special-purpose key in key loss or when being locked in the door, can't be opened door, is duplicated by other people as if private key, and other people also can open the door.

The purpose of this utility model promptly provides a kind of mechanism of stirring with magnetic strength stress in the lock to unblank overcoming above-mentioned many rough sledding, and be provided with the n kind number sets that can arbitrarily select for use, does not use the door lock of private key.

The utility model is achieved in that the induction force that utilizes permanent magnet, across lock panel, attracts plectrum to rotate.Stir corresponding pin.On batten separately, assign the difference of position to determine to attract the order of each plectrum according to pin, on lock panel with corresponding plectrum present position with number or letter, form password, at this moment on the A slide plate that these battens are installed, answer plectrum by password suction phase successively, the A slide plate is moved to the A end, promote frid, the A pellet shot from a slingshot that is inserted in the lock core is pulled out, lock core is without hindrance, if attract each plectrum not according to previously selected order, then plectrum pushes away the post lock less than batten on the A slide plate, the A slide plate does not move, when batten is installed on the B slide plate, the corresponding number of the pin above it is not for coming the spacing in the password, and each pin all is inserted on the position, batten first hole, if attract spacing, the B slide plate is moved to the A end, the B pellet shot from a slingshot is pushed lock core, lock core blocks, by A, two slide plates of B are stirred the lock core of pellet shot from a slingshot control, the mobile lock core that makes by push rod rotates, and makes slide block break away from lock core control, rotates at the pulling lower edge of spring slideway, drive lock pin setback lock housing lock is opened, or the rotation knob.Drive cam rotation, promote slidable, drive lock pin and move, lock is opened.When door opened wide, pressing plate rotated along it under the elasticity thing promotes, and pushes down slide plate, and when door was closed, the suffered thrust of push pedal was eliminated, and drove pressing plate and turned round along axle, left A, B slide plate, and the slide block that resets in permanent magnet attracts to lock moves to the A end, and then A, B slide plate reset.

Owing to mechanism in the magnetic induction lock, need not lockhole, this has just resisted stifled lockhole, the sticking stifled lockhole of 502 glue, burns marble spring in the lock, bores bad lock core, master key failure mode such as open the door.When key loss or mistake in door the time, can at will find the alternative of key with key lock, door is opened by password.Also avoided simultaneously key by the possibility that the people copies, needn't be with key at one's side constantly.In order to improve privacy degrees, being provided with can elective password, as establishes the lock of 9 plectrums, just have 150994944 kinds of numbers selective, and the reversion method is simple.If at container, this lock is installed on first sect of various box cars, labeled door, safety door, arm store, also have anti-scratching, rainproof, antirust, sealing, anti-gray, emergent advantage of opening the door.This lock also has switch lock in the door, prevents that the outside from opening the function of lock.Originally be locked in knob portion and install built-in lock, electronic lock mechanism, promptly become and respectively lock standby protective device, this lock is a frame for movement, and without power supply, sturdy and durable, without the special maintenance instrument, standard machinery factory, engineering shop can make.

Performance of the present utility model describes with reference to the following drawings by an example:

Accompanying drawing 1, lock panel elevation.

1-lock panel wherein, its hole are to go up the usefulness of installation toward door.The 2-reinforcing rib.

Accompanying drawing 2, B-B sectional view

3-plectrum wherein.The 4-permanent magnet.The 5-pin.The 6-batten.The 7-B slide plate.The 8-B pellet shot from a slingshot.The 9-lock core shell.The 10-lock core.The 11-A pellet shot from a slingshot.The 12-frid.The 13-A slide plate.

Accompanying drawing 3, C-C cut open figure

14-rope wherein.The 15-pulley.The 16-slide block that resets.The 17-track.

Accompanying drawing 4, D-D sectional view

Wherein 18-installs screw

Accompanying drawing 5, E-E sectional view

Wherein 19-compresses spring.The 20-lock pin.The 21-push rod.22-compresses spring.The 23-slide block.The 24-extension spring.The 25-cam.The 26-slidable.The 27-pressing plate.The 28-push pedal.

Accompanying drawing 6, F-F sectional view

29-ramp blocks wherein.The 30-back-moving spring.The 31-push rod

32-key shell wherein.33-elasticity thing.The 34-permanent magnet.The 35-lid.

As Fig. 1, lock panel (1) technical scheme preferably can be to make with weak magnetic substance.Its better technical scheme can be to make with nonmagnetic material, and its best techniques scheme can be to make with austenite stainless steel plate, and thickness is 〉=1.5 millimeters.Position at lock panel attraction plectrum is pressed into outside convex, is equipped with reinforcing rib (2) at the inboard non-adhesive of lock panel position.Write number, letter, arrow etc. at the adhesive position.Front or flank hole at lock.Be convenient to install on door, the reinforcing rib of its irony can also play the worn-out effect of magnetic cup.

As Fig. 2, plectrum (3) technical scheme preferably can be to make with iron plate.Its key is made with permanent magnet.Its better technical scheme can be that plectrum B end is installed with permanent magnet.Each pole orientation unanimity.Its key is made with iron.Its best techniques scheme can be that plectrum B end is installed with permanent magnet, each pole orientation unanimity, and its key is made with silicon steel, or makes with permanent magnet.Its pole orientation and plectrum magnetic pole adapt, and promptly attract mutually or repulsion mutually, and the area of magnetic pole is less than or equal to or is a bit larger tham the adhesive area of locking face odd numbers.The axle of plectrum is installed on the lock panel, and during rotation, plectrum B end is inboard apart from less than 10 millis with lock panel, is as the criterion with not scratching.The track of A, B slide plate is installed on the lock housing, and it is to promote frid (12) will pull out in the lock core (10) in the A pellet shot from a slingshot (11) that A slide plate (13) is gone up the effect of G catch, and the effect of H catch is that B pellet shot from a slingshot (8) is pushed lock core.The A pellet shot from a slingshot is fixed on the frid, and the B pellet shot from a slingshot is fixed on the B slide plate (7).

As Fig. 3, Fig. 4, the slide block that resets (16) is as the criterion with not scratching apart from less than 10 millimeters with lock panel is inboard, and should there be case on pulley (15) left side, prevents that rope (14) from coming off.Rope bend radius under nature is less than the pulley radius, and the slide block that resets moves along track (17), the pulling rope, and rope is walked around pulley and is affected the A slide plate, and the A slide plate promotes the B slide plate, and A, B slide plate are resetted.The plectrum number can be made into the lock of several class according to privacy degrees.Making 6 numbers (6 plectrums) has 18750 passwords, has 7 * 10 16 numbers ¹⁸Individual password.Have 3.3 * 10 25 numbers ³⁴Individual password, batten (6) number is identical with the plectrum number.Be that each plectrum can only be stirred corresponding batten.Batten is installed on the A slide plate with N, P hole.According to the number of selecting as: 231, each pin is inserted in respectively on first position, hole of the 2nd batten, on the 2nd position, hole of the 3rd batten, on the 1st position, hole of the 1st batten, on the 2nd position, hole of the 3rd batten, on the 3rd position, hole of the 1st batten.Assign the pitch-row of pin (5) to equate on each batten.Pitch-row is 3 millimeters among Fig. 4, and like this, the rotation of No. 2 plectrums makes the A slide plate move right 3 millimeters, and the pin of the 3rd batten is promptly to stirring the position.The rotation of No. 3 plectrums promotes pin makes the A slide plate move right 3 millimeters, and the pin that makes the 1st batten is to stirring the position, the rotation of No. 1 plectrum, promote pin, make the A slide plate move right 3 millimeters, the A slide plate the most at last in the lock core A pellet shot from a slingshot pull out, numeral can reappear every the position in the password.As: 525356.

As Fig. 4, each batten can be positioned on the B slide plate or with N, P hole with L, M hole and be positioned on the A slide plate, inserting column pin-and-hole number 〉=plectrum number on each batten.

As Fig. 5, connecting with elasticity thing (19) between lock pin (20) and the slide block (23).

As Fig. 6, be equipped with compressible elasticity thing (30) on the push rod (21), on the inclined-plane, slides moving axially of producing apart from should be being equipped with ramp blocks (29) push rod that slides for push rod on the doorframe thereon less than the compressible distances of spring (22).

As Fig. 5, Fig. 6, when being inserted in lock core, pellet shot from a slingshot pushes, and make push rod move the compression spring, be unlikely to break lock core and pellet shot from a slingshot, lock core does not rotate.Push rod (31) and spring (22) play the reset response of lock core, reverse an inboard knob.Be threaded to level to the right, cam (25) promotes slidable (26) lock pin and moves to right, and promptly from the door inward, is threaded to level left, and cam withstands slide block, can't be opened the door in the outside.Promptly in the door on the door lock, this makes the slide block reset response in addition, to backspin, can be from pressing password unlocking outdoors, cam is a flat-top.

As Fig. 7, the permanent magnet Key structure, permanent magnet (34) surface is except that using the adhesive magnetic pole, wrap up with elasticity thing (33), the elasticity beyond the region of objective existence wraps up with iron or brass (32), there is the suction-combining force of openable lid (35) permanent magnet to require and in 15 millimeters, to attract plectrum to rotate in the part that is used for the adhesive magnetic pole,, is convenient to memory cipher in that the number identical with lock panel, letter are arranged on the key.

Claims

1, be used for fixing at security door, magnetic strength coded lock and key on the safety cabinet, have by A, two slide plates of B are stirred the lock core of pellet shot from a slingshot control, the mobile lock core that makes by push rod rotates, make slide block break away from lock core control, slideway moves in the pulling lower edge of spring, driving lock pin (20) setback lock housing opens lock, or the rotation knob makes cam rotation, promote the slip washer, drive lock pin and move, lock is opened, it is characterized in that, with the induction force of permanent magnet,, attract plectrum to rotate across lock panel, stir corresponding pin, on batten separately, assign the difference of position to determine to attract the order of plectrum according to pin, on lock panel with corresponding plectrum companion of living in position with number or letter, form password, at this moment these battens are installed on the A slide plate, attract corresponding plectrum successively by password, the A slide plate is moved to the A end, promote frid, the A pellet shot from a slingshot that is inserted in the lock core is pulled out, then lock core is without hindrance, if uneasy previously selected order attracts each plectrum, then plectrum pushes away the pin less than batten on the A slide plate, the A slide plate does not move, when batten is installed on the B slide plate, the corresponding number of the pin above it is not for coming the spacing in the password, and each pin all is inserted on the position, batten first hole, if attract spacing, the B slide plate is moved to the A end, the B pellet shot from a slingshot is pushed the pin core, the pin core blocks, when the door edge is opened wide, pressing plate rotates along its axle under the elasticity thing promotes, and pushes down slide plate, when door is closed, the suffered thrust of push pedal is eliminated, and drives pressing plate and turns round along axle, leaves A, the B slide plate, the slide block that resets in permanent magnet attracts to lock moves to A end, then A, the B slide plate resets.

2,, it is characterized in that lock panel is to make with weak magnetic substance, or make, or make, thickness 〉=1.5 millimeter with austenite stainless steel plate with nonmagnetic material according to the magnetic strength coded lock of claim 1.

3, according to the magnetic strength coded lock of claim 1, it is characterized in that plectrum is to make with iron plate, its key is made with permanent magnet, or plectrum B end is installed with permanent magnet, each pole orientation unanimity, and its key is made with iron, or make with silicon steel, or make with permanent magnet, its pole orientation and sheet magnetic pole adapt, and promptly attract mutually or repel mutually.

4,, assign the pitch-row of pin to equate on each batten of its feature according to the magnetic strength coded lock of claim 1.

5, according to the magnetic strength coded lock of claim 1, the slide block that it is characterized in that resetting moves along track, and the pulling rope is walked around pulley and affected the A slide plate, and the A slide plate promotes the B slide plate, makes A, and the B slide plate resets.

6,, it is characterized in that being equipped with on the push rod compressible elasticity thing according to the magnetic strength coded lock of claim 1.

7,, it is characterized in that being equipped with on the doorframe ramp blocks of sliding thereon for push rod according to the magnetic strength coded lock of claim 1.

8,, it is characterized in that the A pellet shot from a slingshot is fixed on the frid according to the magnetic strength coded lock of claim 1.

9,, it is characterized in that the B pellet shot from a slingshot is fixed on the B slide plate according to the magnetic strength coded lock of claim 1.

10, according to the magnetic strength coded lock of claim 1 or 3, it is characterized in that the permanent magnet key is that permanent magnet surfaces is except that the magnetic pole that is used for adhesive, with elasticity thing parcel, with iron or brass parcel, openable lid is arranged outside the elasticity thing in the part that is used for the adhesive magnetic pole.