CN2093218U

CN2093218U - Contact type combination lock with alarm device for safe or door

Info

Publication number: CN2093218U
Application number: CN 91214636
Authority: CN
Inventors: 李欣
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-06-21
Filing date: 1991-06-21
Publication date: 1992-01-15

Abstract

The utility model relates to a contact-type changeable cipher lock with an alarm device for a safe or a door. The contact-type changeable cipher lock is suitable for various locks which need the cipher for the safe or the door. The contact-type changeable cipher lock is composed of cipher disks, an outer cipher ring, a cipher checking jack, a cipher checking contact, a cipher searching slide arm, an inner cipher ring, a wire connecting ring, a cipher connecting insert, a cipher checking turn knob, a safe door, a bracket and a column. The contact-type changeable cipher lock is composed of more than three cipher disks. The utility model has the advantages of simple structure, reliable performance, simple cipher-holding operation and wide applied range, and the DC low-voltage power supply can be adopted.

Description

Contact type combination lock with alarm device for safe or door

The utility model relates to the alarm cipher lock that a kind of contact can become sign indicating number.It is applicable to that safety cabinet or door etc. need all kinds of locks of encrypting.

Safety cabinet in the market, main storehouse door, all coded locks of establishing, no matter how complicated operation sequence is, is one one yard, necessarily lifelong when dispatching from the factory.Use with the passing of time, mostly have feel and abnormal sound during to sign indicating number, secrecy is low.To password require to be kept absolutely secret to decide the class safe door very harsh again to service condition.

Task of the present utility model is to design this coded lock to reach simple in structure, to hold the convenient and good purpose of security performance of code operations according to the weak point that existing procucts exist.

This coded lock is to adopt following design scheme to realize.

A kind of contact variable code safety cabinet or door alarm coded lock, it mainly by code-disc, outer sign indicating number ring, to the sign indicating number jack, to the sign indicating number contact, seek a yard cursor slide, ISN ring, wiring ring, connect sign indicating number and insert, sign indicating number knob, cabinet door, support and pillar etc. are constituted.Architectural feature be the outer of code-disc for outer sign indicating number ring, be inwardly to the sign indicating number jack, inwardly be the ISN ring again, be to the sign indicating number contact at last, be to the sign indicating number knob at the central point of code-disc, to the sign indicating number knob seek yard cursor slide and to the sliding-contact of sign indicating number contact.Circuit connecting mode is that a contact of outer sign indicating number ring links with a hole to the sign indicating number jack that is positioned on the same radial line in this contact, remaining links to sign indicating number jack and the contact that is positioned at the ISN ring of same radial line, the wiring ring with the sign indicating number contact is linked, promptly a code-disc is provided with the contact of opening the door, and remains to be alarm actuating contact.

Its principle is: any one digit number all has a unit of one's own in one group of password number, in the unit by one row (ten positions of 0-9) open the door circuit contact and one row (0-9 ten numbers) alarm actuating contact correspondence combine.Aim at contact when opening the door contact (presetting cipher position) when yard cursor slide sought of band instruction current, elementary section of circuit turn-on opens the door.Each section just can open the door to the sign indicating number conducting in one group.When cursor slide contact be the alarm actuating contact of non-coding the time, all warning circuit conductings.Only default opening code contact in the unit, all the other nine sign indicating numbers number all are alarm actuating contacts.Thereby guarantee the accuracy of password.Two bank contacts are annular array, and can be the arbitrarily artificial secret mark in start-stop position can increase by one group of password of one deck secrecy can be by three (three figure places) to six (six figure places) unit even form more.And the hoop arrangement, increase one deck secrecy again.General six figure places are enough.Can reach 100,000 codings.

Accompanying drawing 1 is this coded lock structural representation, and wherein each label is respectively:

1. the 2. outer sign indicating number ring of code-disc 3. to the sign indicating number jack 4. to the sign indicating number contact 5. seek yard cursor slide 6. the ISN ring 7. the wiring ring remember that 8. 9. sign indicating number insert 10. cabinet door of sign indicating number knob

Support

Pillar;

Accompanying drawing 2 is an embodiment of the present utility model.

Below in conjunction with accompanying drawing embodiment is described.

Among Fig. 1: 1., code-disc, insulation materials such as bakelite.

ISN ring, outer sign indicating number encircle that 2. skin copper is 1. positive in code-disc, but to the sign indicating number jack 3. with to sign indicating number contact corresponding wiring ring 4. 7. skin copper in (or wiring) code-disc back side.

2., 6., outward, the ISN ring: corresponding to each minutes such as the garden heart be provided with ring in 10 sockets (similar) with vacuum electronic pin socket 6. socket and outer sign indicating number ring socket 2. with sign indicating number jack distance is 3. equated 8. exchange insertion so that the note sign indicating number is inserted.

3. the same to the sign indicating number jack with aforementioned socket.Garden week goes up the five equilibrium correspondence and establishes ten.Be distributed in inside and outside sign indicating number ring 6. and 2..Distance equates.

To the 4. copper rivet hole in sign indicating number contact, be located at the interior garden of code-disc on week, encircle 6. and socket setting 2. doing inside and outside sign indicating number, 3. back side line is communicated with respectively with to the sign indicating number jack.

Seek the 5. elasticity phosphorus bronze sheet making of yard cursor slide.Be fixed on code-disc and 1. revolve on the axle, with axle insulation, and with the 7. conducting of wiring ring.Flexibly rotation is contacted with garden that 4. the sign indicating number contact is surrounded on week.

7. the wiring ring is made and the axis of rotation insulation of latten(-tin), and seeks the 5. conducting of yard cursor slide.Do not rotate, be convenient to external different electric wire with axle.

Note sign indicating number is inserted the 8. corresponding conducting of bipod, two foot distance from sign indicating number is inserted 8. to the ISN ring 6. distance equate.Outside the interchangeable truncheon, the ISN ring is 2. and 6..To the sign indicating number jack 3. and be the code clerk position during 2. socket of outer sign indicating number ring note sign indicating number inserts 8. conducting, all the other nine note sign indicating numbers insert 8. then normal conducting to the sign indicating number jack 3. with the ISN ring 6..

Sign indicating number knob periphery is 9. engraved sign indicating number number should be number corresponding with sign indicating number on the code-disc, must not misplace.

Fig. 2 is encoded to: 123450; Encoding clockwise in each unit, will remember successively that sign indicating number is inserted 8. to insert outer sign indicating number ring 2. in the correspondence mouth, and all the other insertion ISN rings 6..

Among Fig. 2 in the VI unit: outer sign indicating number ring is No. 0 socket and be communicated with having been inserted 8. by the note sign indicating number in sign indicating number jack No. 0 mouth 3. 2., 8. corresponding number position is also inserted by the note sign indicating number and is communicated with in the remaining element, it is respectively I～1, II-2, III-3,3.-4 ,-5 ,-0 each unit is all inserted by each self-recording sign indicating number the sign indicating number jack except that the code clerk position and 8. is communicated with the ISN ring 6..

The wiring ring of power cathode among Fig. 2 (positive pole) warp 7., seek yard cursor slide 5., to sign indicating number contact No. 0 socket 4., again through code-disc 1. back side line be communicated with sign indicating number socket No. 0 socket 3..Insert 8. through the note sign indicating number, outer sign indicating number ring 2. No. 0 and be communicated with whole outer shroud, the center wiring ring that electric current inserts I unit through aerial lug more 7., cursor slide etc. with route identically enter again next unit from corresponding sign indicating number position, 10. (door J) cabinet door is opened to the outer shroud conduction that makes last unit to the relay that opens the door.

If in any one unit what seek the contact of yard cursor slide is not the code clerk position of leading to outer shroud, but the arbitrary position is encircled in connecting, cursor slide will be led electric current on the interior ring and be gone this moment, the ISN ring of each unit all also connects the alert relay of circular (alert J) and opens then Men Bukai of electric switch key at this moment, and voltage all enters alarm circuit, the constant open contact closure of warning J, default various warning means are moved, and resemble as sounding, glare, photograph etc.

The design's advantage:

1, owing to simple in structure, make its dependable performance, low price, easy to manufacture.The working service cost is very low, available four months of four dry cells of joint (six volts).

2, mounting structure in the door, the outside is only revealed knob, is not afraid of destruction, does not damage the insurance function of the other guide of cabinet, door.

3, it is easy to hold code operations, and can finish the program of opening the door seven or eight seconds, can be opened altogether by 1～3 people.No code operations is extremely difficult, and the arithmetic statistics has only a millionth possibility of opening the door.Because ring-type combination, optional arbitrary position is that sign indicating number number 1 also can be fallen along half by clockwise, reversing, half, every sequential encodings such as positions, promptly the mistake coding is given away secrets and also is difficult for finishing in the short time accurate numbering operation, owing to be not electronic operation, is manual operations entirely, prestissimo is once encoded each second, also can only operate coding in 24 hours 86400 times, and error code all can be connected warning circuit at every turn, its safe time is very abundant.

4, adopt the 3-12V low-voltage dc power supply, it is in the cabinet door that first power supply is established, the outside close input contact of putting.Once too for a long time the time do not enable, internal cell lost efficacy, and can insert the power supply mouth that opens the door from the outside temporarily, thereby had guaranteed the safety of self, enlarged range of application.

5, the design does not have electronic circuit, does not have " wearing out " problem.During inoperation, the not power consumption of inner open-circuit condition.It should be noted that joining is to open the door and the capacity of alarm relay can be guarded safe.

The design is suitable to be applied in various safe doors, and the national treasury door is on the door of extraordinary goods and materials storehouse.As long as the cabinet door greater than 0.3 meter again 0.3 meter can install, and old-fashioned safety cabinet that can be in the past, door are gone up the transformation installation.Also be fit to be installed on the gate of civilian construction residence building.Be applied on the lid car sliding door of railway transportation, can not establish an interior power supply, when opening the door, get final product from the outside insertion with portable or signal lamp power supply, password can cargo ticket record transmit or telecommunication transmits, no matter railway carriage does not have standing in the possibility that the way evildoer opens car door.Can guarantee the safety of transporting supplies when nobody gathers around car.

Claims

1, a kind of contact variable code safety cabinet or door alarm coded lock, it mainly by code-disc, outer sign indicating number ring, to the sign indicating number jack, to the sign indicating number contact, seek a yard cursor slide, ISN ring, wiring ring, connect sign indicating number and insert, sign indicating number knob, cabinet door, support and pillar are constituted, the outer that it is characterized in that code-disc is outer sign indicating number ring, be inwardly to the sign indicating number jack, inwardly being the ISN ring again, is to the sign indicating number contact at last, is to the sign indicating number knob at the central point of code-disc, to the sign indicating number knob seek yard cursor slide with to the sliding-contact of sign indicating number contact, circuit connecting mode is:

1., a contact of outer sign indicating number ring links with a hole to the sign indicating number jack that is positioned on the same radial line in this contact, remaining sign indicating number jack and the contact that is positioned at the ISN ring of same radial line are linked, the wiring ring with the sign indicating number contact is linked, promptly a code-disc is provided with the contact of opening the door, and remains to be alarm actuating contact;

2., this coded lock is made up of three above code-discs.