CN105839998A

CN105839998A - High-safety electromagnetic lock

Info

Publication number: CN105839998A
Application number: CN201610344751.4A
Authority: CN
Inventors: 薛景森
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-13
Filing date: 2016-05-13
Publication date: 2016-08-10

Abstract

The invention relates to the field of locks, in particular to an electromagnetic lock. In the high-safety electromagnetic lock, multiple iron core-carried electromagnetic coils and a battery are arranged in a key; a power supply switch connected with the electromagnetic coils and the battery to form a loop is arranged out of the key; multiple blind holes are formed in the outer wall of a lock cylinder, and parts of the multiple blind holes are randomly selected as driving lock spring holes, and the remainder blind holes are selected as driven locking holes; driving limiting lock columns are connected into the driving lock spring holes through compression springs; limiting holes corresponding to the blind holes one to one are formed in the inner wall of a cylinder shell; and the iron core-carried electromagnetic coils are matched with the driving limiting lock columns in position. The high-safety electromagnetic lock has no any characteristics on the surface, so that the high-safety electromagnetic lock cannot be duplicated without being discovered by users; parts of the multiple blind holes are randomly selected as the driving lock spring holes, an exhaustion method cannot be basically adopted to unlock; the lock cylinder and the key are magnetically matched; the lock columns are positioned in the lock; and besides of violent dismounting, the lock cannot be opened by a lock cylinder poking technology, so that the lock is higher in safety.

Description

The electromagnetic lock of high security

Technical field

The present invention relates to field of lockset, particularly relate to a kind of electromagnetic lock.

Background technology

Existing door lock is roughly divided into mechanical lock, electronic lock and identification class lock three major types；Wherein, mechanical lock divides For A rank theftproof lock, B rank theftproof lock, super B rank theftproof lock, superb the unblanking of A rank lock technology People can open for several seconds, even super B level is locked, several minutes also can be opened, this technology unlocking mode Firm antitheft door is performed practically no function, does not has the effect of security at all；And identify that class is locked, such as refer to Stricture of vagina lock is easy to be replicated by people, and thief can deceive open identification system by gathering fingerprint making resin fingerprint, Existing fingerprint access control there is no method and differentiates true man's fingerprint and artificial fingerprint, and the key of mechanical lock is also easy to can be In the case of not found by people, being replicated by modes such as mud film, photos, privacy degrees is poor；Therefore need Want a kind of higher door lock of safety, to ensure user security.

Summary of the invention

The technical problem to be solved is to provide the electromagnetic lock of a kind of high security and substantially cannot use The method of exhaustion is carried out unblanking operation, is coordinated by magnetic force between lock core with key, and lock is positioned at the inside of lockset, Unless violence is disassembled, it is impossible to rely on the mode technology unlocking fiddling with lock core, there is the highest security performance.

The present invention is achieved in that the electromagnetic lock of a kind of high security, including key, lock core and core shell, Described core shell is sleeved on outside lock core, and lock core matches with core shell composition revolute pair, at the axle center of described lock core Being provided with keyhole, described key is inserted in keyhole, it is characterized in that:

Being provided with some ribbon core solenoids and battery in described key, key is outside equipped with and electromagnetic wire Circle is connected with battery and constitutes the on and off switch in loop；

Offer some blind holes on the outer wall of described lock core, randomly choose a part of conduct in some blind holes Actively locking tappet hole, another part blind hole is as passive lock hole, and described active locking tappet hole is interior by compression bullet Spring connects actively spacing lock, and the spacing lock of described active constitutes moving sets, described passive lock with blind hole Determine hole fixing equipped with conducting magnetic column；

The inwall of described core shell offers and blind hole spacing hole one to one, wherein, with passive lock hole Corresponding spacing hole is provided with passive spacing lock, described passive spacing lock and limit by stretching spring Hole, position constitutes moving sets；

When not by External Force Acting, the spacing lock of described active extend in spacing hole, passive spacing lock It is contracted in spacing hole；

When by External Force Acting, the spacing lock of described active is contracted in spacing hole, passive spacing lock It extend in passive lock hole；

The spacing lock of described active, conducting magnetic column and passive spacing lock are made up of ferrimagnet, described band Match with actively spacing lock in the position of iron core solenoid.

The locating slot and convex cooperated it is provided with between outer wall and the inwall of lock core of described key Block.

Described ribbon core solenoid is outside equipped with a circle key every magnetosphere.

Described blind hole is outside equipped with lock core every magnetosphere.

The electromagnetic lock appearance of high security of the present invention does not has any feature cannot be in situation about not the user discover that Lower duplication, and from some blind holes, randomly select the form as active locking tappet hole, substantially cannot use poor Act method is carried out unblanking operation, is coordinated by magnetic force between lock core with key, and lock is positioned at the inside of lockset, Unless violence is disassembled, it is impossible to rely on the mode technology unlocking fiddling with lock core, there is the highest security performance.

Accompanying drawing explanation

Fig. 1 is the cross-sectional schematic of the electromagnetic lock of high security of the present invention；

Fig. 2 is the X portion enlarged diagram of Fig. 1；

Fig. 3 is the cross-sectional schematic of key in the present invention；

Fig. 4 is the cross-sectional schematic of lock core in the present invention.

In figure: 1 key, 2 lock cores, 3 core shell, 4 keyholes, 11 ribbon core solenoids, 12 batteries, 13 on and off switch, 14 keys every magnetosphere, 21 blind holes, 22 compression springs, 23 actively spacing locks, 24 Conducting magnetic column, 25 lock cores are every magnetosphere, 31 spacing holes, 32 stretching spring, 33 passive spacing locks.

Detailed description of the invention

Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are only used for The present invention is described rather than limits the scope of the present invention.In addition, it is to be understood that reading statement of the present invention Content after, the present invention can be made various changes or modifications by those skilled in the art, these shapes of equal value Formula falls within the application appended claims limited range equally.

Embodiment 1

As shown in Figure 1, 2, the electromagnetic lock of a kind of high security, including key 1, lock core 2 and core shell 3, Described core shell 3 is sleeved on outside lock core 2, and lock core 2 matches with core shell 3 composition revolute pair, described lock core 2 Axle center at be provided with keyhole 4, described key 1 is inserted in keyhole 4, it is characterized in that:

As it is shown on figure 3, be provided with some ribbon core solenoids 11 and battery 12, key in described key 1 Spoon 1 is outside equipped with to be connected with solenoid 11 and battery 12 and constitutes the on and off switch 13 in loop；

As shown in Figure 4, the outer wall of described lock core 2 offers some blind holes 21, randomly chooses some blind A part in hole 21 is as active locking tappet hole, and another part blind hole 21 is as passive lock hole, described Actively connected by compression spring 22 in locking tappet hole and have actively spacing lock 23, the spacing lock of described active 23 constitute moving sets with blind hole 21, and described passive lock hole is fixing equipped with conducting magnetic column 24；

The inwall of described core shell 3 offers and blind hole 21 spacing hole 31 one to one, wherein, and passively The spacing hole 31 that lock hole is corresponding is provided with passive spacing lock 33, described quilt by stretching spring 32 Dynamic spacing lock 33 constitutes moving sets with spacing hole 31；

When not by External Force Acting, the spacing lock of described active 23 is ejected by compression spring 22 and extend into limit Position hole 31 in, passive spacing lock 33 be stretched spring 32 hold be contracted in spacing hole 31；

When by External Force Acting, the spacing lock of described active 23 is overcome compression spring 22 by magnetic force Elastic force is contracted in spacing hole 31, and passive spacing lock 33 is overcome the bullet of stretching spring 32 by magnetic force Property power extend in passive lock hole；

The spacing lock of described active 23, conducting magnetic column 24 and passive spacing lock 33 are made up of ferrimagnet, Matching with actively spacing lock 23 in the position of described ribbon core solenoid 11, opens the light when turning on the power When 13, the most spacing lock 23 is overcome the elastic force of compression spring 22 to be contracted in by magnetic force In spacing hole 31, passive spacing lock 33 still in not by the state of external force be stretched spring 32 hold receive Contracting is in spacing hole 31, it is achieved that unlock.

For the ease of the user insertion location when using key 1, the outer wall of described key 1 and lock core 2 Inwall between be provided with the locating slot and locating convex block cooperated.

In the present invention, in order to prevent the interference between adjacent magnetic field, outside described ribbon core solenoid 11 Being provided with a circle key every magnetosphere 14, described blind hole 21 is outside equipped with lock core every magnetosphere 25, makes except axle The most isolated to magnetic field in addition, improve the reliability of this electromagnetic lock.

As the lockset of high security, in the present embodiment, even if making in view of industrial mass production With 9 in the case of the blind hole 21 of fixed position, key 1 is opened probability mutually and is only had 1/512, if Think to reduce further mutual opening rate, it is only necessary to increase the quantity of blind hole 21, often increase a blind hole 21, Mutual opening rate will reduce half；

Discounting for industrial mass production, but if attaching most importance to safety, at random site Offering blind hole 21, the possibility opened the most mutually, in the case of not dismantled by violence, security performance surpasses far away Cross existing any lockset.

Claims

1. an electromagnetic lock for high security, including key (1), lock core (2) and core shell (3), described core shell (3) being sleeved on lock core (2) outward, lock core (2) matches with core shell (3) composition revolute pair, described lock core (2) Being provided with keyhole (4) at axle center, described key (1) is inserted in keyhole (4), it is characterized in that:

Being provided with some ribbon core solenoids (11) and battery (12) in described key (1), key (1) is outward Being provided with is connected with solenoid (11) and battery (12) constitutes the on and off switch (13) in loop；

Offer some blind holes (21) on the outer wall of described lock core (2), randomly choose in some blind holes (21) A part is as actively locking tappet hole, and another part blind hole (21) is as passive lock hole, described active snap Connected by compression spring (22) in hole and have actively spacing lock (23), the spacing lock of described active (23) with Blind hole (21) constitutes moving sets, and described passive lock hole is fixing equipped with conducting magnetic column (24)；

The inwall of described core shell (3) offers and blind hole (21) spacing hole one to one (31), wherein, with The spacing hole (31) that passive lock hole is corresponding is provided with passive spacing lock by stretching spring (32) (33), described passive spacing lock (33) constitutes moving sets with spacing hole (31)；

When not by External Force Acting, the spacing lock of described active (23) extend in spacing hole (31), passively Spacing lock (33) is contracted in spacing hole (31)；

When by External Force Acting, the spacing lock of described active (23) is contracted in spacing hole (31), passively Spacing lock (33) extend in passive lock hole；

The spacing lock of described active (23), conducting magnetic column (24) and passive spacing lock (33) are by ferrimagnet Making, matches with actively spacing lock (23) in the position of described ribbon core solenoid (11).

2. the electromagnetic lock of high security as claimed in claim 1, is characterized in that: outside described key (1) The locating slot and locating convex block cooperated it is provided with between the inwall of wall and lock core (2).

3. the electromagnetic lock of high security as claimed in claim 1, is characterized in that: described ribbon core electromagnetism Coil (11) is outside equipped with a circle key every magnetosphere (14).

4. the electromagnetic lock of high security as claimed in claim 1, is characterized in that: described blind hole (21) is outward It is provided with lock core every magnetosphere (25).