CN102003119A

CN102003119A - Safety lock and key thereof

Info

Publication number: CN102003119A
Application number: CN 201010543168
Authority: CN
Inventors: 唐名姣
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-15
Filing date: 2010-11-15
Publication date: 2011-04-06
Anticipated expiration: 2030-11-15
Also published as: CN102003119B

Abstract

The invention discloses a safety lock and a key thereof. The safety lock comprises a lock body and a lock cylinder, wherein the lock cylinder is provided with a key hole; both sides of the key hole in the lock cylinder are provided with at least one normally closed elastic conductive contact set; an insulating layer is arranged between the conductive contacts and the lock cylinder; the lock body is provided with an electromagnetic bolt device which is matched with a corresponding bolt hole in the lock cylinder; and each conductive contact set is connected with the electromagnetic bolt device through a control circuit. The body of the key matched with the safety lock is provided with an insulating part which corresponds to at least one of the conductive contact sets in the lock cylinder of the safety lock. The safety lock is provided with two independent locking mechanisms, namely a mechanical lock and an electronic lock, and the number of the code digits of the lock is permutated and combined according to the cooperation relationship between the spring sets/conductive contact sets and the insulating part of the key; and therefore, the safety lock has a great amount of code digits as compared with a common spring lock, thereby greatly lowering the mutual unlocking rate of the locks. Thus, the invention has better anti-theft performance and higher safety.

Description

A kind of safety lock and key thereof

Technical field

The invention belongs to lockset, be specifically related to a kind of safety lock and key thereof.

Background technology

Current, representational lockset has had several big classes such as cylinder lock, magnetic lock and electronic lock, though magnetic lock precision height, easily demagnetization is withdrawn from the market gradually; And electronic lock though be the modern science and technology product, costs an arm and a leg, and input mode deficiency, easily be cracked all the better, the lockset of Shi Yonging is old-fashioned cylinder lock on the contrary mostly more on the market, and the processing technology of cylinder lock is being updated, antitheft grade improves constantly, but it is to rely on traditional pellet shot from a slingshot to move the action of controlling lock core, and then mechanical linkage, the action of control locking bolt, precision is not high, is very easily cracked by proprietary instrument.

Summary of the invention

The object of the present invention is to provide better safety lock of a kind of theftproof performance and key thereof.

The technical scheme that realizes the object of the invention is: safety lock comprises lock body and is located at the interior lock core of lock body, be provided with the pellet shot from a slingshot group in lock body and the lock core, lock core is provided with keyhole, the both sides that are positioned at keyhole in described lock core are provided with at least one group of normally closed elastic conduction contact, be provided with insulating layer between conductive contact and the lock core, described lock body is provided with the electromagnetic bolt device and matches with corresponding keyhole on the lock core, and the described conductive contact of respectively organizing is connected with described electromagnetic bolt device by a control circuit.

Described electromagnetic bolt device also can be located at the outer position corresponding with lock core of lock body, and protuberance on electromagnetic bolt device and the lock core or corresponding keyhole match.

The present invention comprises also and the supporting key of described safety lock that key comprises the body of establishing tartar, on described body, be provided with described safety lock lock core in respectively organize at least one group of insulation division that conductive contact is corresponding in the conductive contact.

Insulation division on the described key body is to establish through hole on body, and fill insulant constitutes in this through hole, or in the body both sides insulating layer formation is set.

The present invention increases by a cover electromagnetic lock pin device on the standard machinery cylinder lock, make lock have pellet shot from a slingshot and electromagnetic lock pin device two cover locking mechanisms simultaneously.Its operating principle is, after key inserts lock core, tartar on the key body makes respectively to be organized pellet shot from a slingshot and is in and makes lock core relative to position that lock body rotates, because the electromagnetic lock pin device is with the lock core stop bit, lock core still can not rotate and unblank, at this moment the insulation division on the key body disconnects the normally closed conductive contact of original conducting generation one signal of telecommunication and changes into data signal, detect this data signal and preset password compares by control circuit, conducting electromagnetic lock pin device, the electromagnetic lock pin device is opened, and lock core can rotate.

Conductive contact on the lock core can be provided with as required and organize more, is located at different positions, and supporting with it insulation division on the key then can make up arbitrarily, to form different password combination.

Because the present invention has two and overlaps independently locking mechanism, it is the combination of mechanical lock and electronic lock, the password number of lock carries out permutation and combination by pellet shot from a slingshot group and conductive contact group and on the key insulation division matching relationship, therefore have than the common spring lock many password numbers are arranged, can significantly reduce the mutual opening rate of lock, in the small space of lock core, do not have instrument can crack this lockset simultaneously, so the present invention have better theftproof and safety simultaneously.

The present invention will be further described below in conjunction with drawings and Examples.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the drawing in side sectional elevation of Fig. 1.

Fig. 3, Fig. 4 are respectively different structure schematic diagrames of the present invention.

Fig. 5 is a user mode schematic diagram of the present invention.

Fig. 6 is the drawing in side sectional elevation of Fig. 5.

Fig. 7 is circuit theory diagrams of the present invention.

The specific embodiment

The structure of safety lock of the present invention such as Fig. 1, shown in Figure 2, comprise lock body 1 and be located at the interior lock core 2 of lock body, be provided with pellet shot from a slingshot group 3 in lock body 1 and the lock core 2, lock core 2 is provided with keyhole 4, the both sides that are positioned at keyhole 4 in described lock core 2 are provided with six groups of normally closed elastic conduction contacts 5, it is fixing by envelope piece 10 that conductive contact 5 is provided with return spring 7, the sidepiece of conductive contact 5 is coated with an insulating layer 6 isolates with the lock core electricity, lock body 1 is provided with electromagnetic bolt device A, electromagnetic bolt device A is by locking bolt 15, locking bolt return spring 14 and electromagnetic coil 13 are formed, be fixedly mounted in the lock body 1 with shrouding 12, keyhole 11 corresponding on the locking bolt 15 of electromagnetic bolt device A and the lock core 2 matches, each is organized conductive contact 5 usefulness leads 8 and is connected with the electromagnetic coil 13 of electromagnetic bolt device A by a control circuit chip 18, control circuit chip 18 and be encapsulated in the lock body 1 by shrouding 17 to the button cell 16 of control circuit chip 18 and electromagnetic bolt device A power supply, lead 8 are located in the wire casing 9 on the lock core 2.

Electromagnetic bolt device A also can be located at the outer position corresponding with lock core 2 of lock body 1, as shown in Figure 3, electromagnetic bolt device A is located at and axial corresponding position, lock core 2 outer ends, keyhole 11 corresponding on its locking bolt 15 and the lock core 2 matches, perhaps as shown in Figure 4, electromagnetic bolt device A is located at and radially corresponding position, lock core 2 outer ends, and its locking bolt 15 matches with protuberance on the lock core 2.Adopting these modes is to consider electromagnetic bolt device A to be arranged on and to lock on the supporting lockset.No matter which kind of mode of employing all is to utilize electromagnetic bolt device A with lock core 2 stop bits.

The supporting key B of the present invention and described safety lock sees Fig. 5, Fig. 6, key B comprises the body 19 of establishing tartar, on body 19, be provided with and the corresponding insulation division 21 of four groups of conductive contacts of described safety lock lock core, this insulation division 21 is to establish through hole on body 19, fill insulant constitutes in this through hole, or insulating layer (drawing) is set in the body both sides constitutes, position corresponding with other two groups of conductive contacts 5 on the lock core on the key B body 19 is provided with pit 20.

The principle of unblanking of safety lock of the present invention: see Fig. 1 and Fig. 2 during blocking, lock core can not be rotated relative to lock body 1 by locking bolt 15 stop bits of pellet shot from a slingshot group 3 and electromagnetic bolt device A; Unlocking condition is seen Fig. 5 and Fig. 6, key B inserts lock core 2, tartar effect pellet shot from a slingshot group 3 on its body 19, make the contact surface of two pellets shot from a slingshot in the pellet shot from a slingshot group 3 just be in the contact surface of lock body 1 and lock core 2, releasing is to the stop bit effect of lock core 2, and this moment, the insulation division 21 on the body 19 disconnected the conductive contact 5 of correspondence, produce the signal of telecommunication, control circuit chip 18 compares with preset password after detecting the signal of telecommunication, if match then to electromagnetic coil 13 power supply of electromagnetic bolt device A, adhesive locking bolt 15 is return in lock core 2, removes the stop bit to lock core 2, lock core 2 can rotate relative to lock body 1, and lock is opened; When needing locking, lock core 2 is resetted, withdraw from key B, the locking bolt 15 of pellet shot from a slingshot group 3 and electromagnetic bolt device A resets under return spring effect separately, and lock core 2 stop bits are locked.

Circuit of the present invention is a universal circuit, circuit theory is seen Fig. 7, after inserting key B, the conductive contact 5 that directly contacts with key body 19 keeps ground connection, the signal of telecommunication of its output output is 0, the conductive contact 5 that contacts with insulation division 21 on the key body 19 disconnects, its output circuit is earth-free, it is output as 1, by the position of conductive contact 5 is set, the number of insulation division 21 on number and the key body 19, the machinery of conductive contact 5 is contacted by the one group of electronic cipher be made up of the signal of telecommunication that is converted in the control circuit chip 18, in the input control circuit chip 18, with preset password and compare, when data signal is consistent with decision circuitry, control circuit chip 18 control electromagnetic bolt device A open.

Claims

1. safety lock, comprise lock body and be located at the interior lock core of lock body, be provided with the pellet shot from a slingshot group in lock body and the lock core, lock core is provided with keyhole, it is characterized in that the both sides that are positioned at keyhole in described lock core are provided with at least one group of normally closed elastic conduction contact, be provided with insulating layer between conductive contact and the lock core, described lock body is provided with the electromagnetic bolt device and matches with corresponding keyhole on the lock core, and the described conductive contact of respectively organizing is connected with described electromagnetic bolt device by a control circuit.

2. a kind of safety lock according to claim 1 is characterized in that described electromagnetic bolt device is located at the outer position corresponding with lock core of lock body, and protuberance on electromagnetic bolt device and the lock core or corresponding keyhole match.

One kind with the supporting key of the described safety lock of claim 1, comprise the body of establishing tartar, it is characterized in that on described body, being provided with described safety lock lock core in respectively organize at least one group of insulation division that conductive contact is corresponding in the conductive contact.

4. key according to claim 3 is characterized in that the insulation division on the described key body is to establish through hole on body, and fill insulant constitutes in this through hole, or in the body both sides insulating layer formation is set.