CN2791181Y

CN2791181Y - Safety and reliable lock

Info

Publication number: CN2791181Y
Application number: CN 200520056897
Authority: CN
Inventors: 杨树潮
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-13
Filing date: 2005-04-13
Publication date: 2006-06-28
Anticipated expiration: 2015-04-13

Abstract

The utility model relates to a safety lock comprising a lock core and a key. The utility model has the characteristics that the keyhole end of the lock core is provided with a metal cover which is capable of covering the lock core and has a prying-proof effect; a position which is corresponding to the keyhole of the lock core and on the metal cover is provided with a key hole which is just used for a key body of a key to insert into the keyhole of the lock core and is capable of rotating along with the lock core; in addition, an assembling slot and a drilling-proof metal plate provided with a punched hole are respectively arranged behind the key hole on the metal cover. Accordingly, the utility model can effectively avoid the problem that as a keyhole of a lock core is directly exposed outside a lock body, a lock can be easily destroyed by a thief or a burglar to lose the theft-proof effect, and user's property safety is ensured.

Description

A kind of safe and reliable locking device

Technical field

The utility model relates to a kind of lock, particularly a kind of safe and reliable locking device.

Background technology

The lock core of at present common on the market lock commonly used, its keyhole position generally all are that directly to expose to lock body outer, and do not have anti-drilling, vandal-proof measure.Make thief or burglar when committing theft,, lock core is bored brokenly, can successfully reach lock is opened its plan of committing theft of enforcement as long as use some small-sized electric drills.Or the more brilliant burglar of some means, as long as use a slice stalloy or pliers that some are special simply, extending in the keyhole of lock core, turn-knob or prize slightly firmly just can be opened lock easily again.Make existing lock just as illusory, can not reach the safety of guaranteeing user's property well.Therefore, these locks at present commonly used on the market are all because of it does not have anti-drilling, pick-proof, vandal-proof measure exists the problem that anti-theft effect is poor, can not effectively guarantee user's property safety.

Summary of the invention

The purpose of this utility model is to solve above-mentioned existing problems, and a kind of have simultaneously pick-proof, anti-drilling, tamper-proof effect are provided, and is safe and reliable, and locking device simple in structure, that cost of production is low.

The technical solution of the utility model is achieved in that

A kind of safe and reliable locking device, comprise lock core and key, its characteristics are that the keyhole end of described lock core is provided with the metal case with pick-proof effect that can envelope lock core, and the position that corresponds to the keyhole of lock core on this metal case is provided with the keyhole that can be only inserts in the keyhole of lock core and can rotate with lock core for the spoon body of key.And be respectively equipped with one in its keyhole rear and can 360 ° be installed on the anti-drilling metal sheet that having the perforation that can be only interts for the spoon body of key on the lock core rotationally and be used for the mounting groove of the anti-drilling metal sheet of device in that the metal case is upper.

Wherein, keyhole on the above-mentioned metal case can be according to the keyhole of different structure or the spoon body of key, its hole shape can be designed to keyhole or key the spoon body shape identical, as the keyhole of lock core or the spoon body of key is in-line, and the hole shape of the keyhole on the above-mentioned metal case then is the in-line structure; As the keyhole of lock core or the spoon body of key is structure triangular in shape, and the hole shape of the keyhole on the above-mentioned metal case promptly is processed into triangular structure accordingly; And for example the spoon body of the keyhole of lock core or key is a decussate texture, and the hole shape of the keyhole on the above-mentioned metal case promptly is processed into decussate texture or the like accordingly.Simultaneously, after inserting in the keyhole of lock core in order to ensure the spoon body of key again, can unblank by the left rotation and right rotation lock core, above-mentioned keyhole is combined by the through hole of above-mentioned various different hole shapes and the circular hole that is arranged at this through hole middle part and forms, and is provided with the groove that matches with the circular hole at keyhole middle part on the spoon body of above-mentioned key accordingly.

The utility model is owing to adopt the keyhole end at lock core to be provided with the metal case that envelopes lock core and to be provided with the structure that can only insert the keyhole in the keyhole for the spoon body of key on the metal case, make the utility model be processed into the pick-proof of various different purposes, vandal-proof lock by the lock core that will be coated with the metal case, thereby avoided the keyhole of lock core directly to expose to outside the lock body effectively, destroyed by thief or burglar easily and lose the problem of antitheft effect, guaranteed user's property safety.Again owing to adopt in the upper structure that can 360 ° be installed on the anti-drilling metal sheet that having the perforation that can be only interts for the spoon body of key on the lock core rotationally that is provided with in its keyhole rear of metal case, make the utility model also have anti-drilling effect simultaneously, thereby improved security reliability of the present utility model further, guaranteed user's property safety widely.And that the utility model also has is simple in structure, processing and manufacturing is easy, need not original lock body structure is changed significantly, reduces the advantages such as cost of production of manufacturer effectively.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the lock core end face structure schematic diagram of the utility model scheme one.

Fig. 3 is the lock core end face structure schematic diagram of the utility model scheme two.

Fig. 4 is the lock core end face structure schematic diagram of the utility model scheme three.

The specific embodiment

As shown in Figure 1, a kind of safe and reliable locking device described in the utility model, it comprises lock core 1 and key 2.Existing lock core is anti-drilling because of tool not in order effectively to solve, pick-proof, tamper-proof measure exist the problem that anti-theft effect is poor, can not effectively guarantee user's property safety, the keyhole end of lock core 1 described in the utility model is provided with the metal case 3 with pick-proof effect that can envelope lock core 1, and the position that corresponds to the keyhole of lock core 1 on this metal case 3 is provided with the keyhole 31 that can be only inserts in the keyhole of lock core 1 and can rotate with lock core 1 for the spoon body of key 2.Make the utility model be processed into the pick-proof of various different purposes, vandal-proof lock by the lock core 1 that will be coated with the metal case, thereby avoided the keyhole 11 of lock core 1 directly to expose to outside the lock body effectively, destroyed by thief or burglar easily and lose the problem of antitheft effect, guaranteed user's property safety.The utlity model has anti-drilling effect for making, on described metal case 3, be positioned at its keyhole 31 rears and be respectively equipped with one and can 360 ° be installed on the anti-drilling metal sheet 4 that having the perforation 41 that can be only interts for the spoon body of key 2 on the lock core 1 rotationally and be used for the mounting groove 32 of the anti-drilling metal sheet 4 of device.Make the utility model by anti-drilling metal sheet 4 is installed in the mounting groove 32, when thief or burglar utilize electrodrill that lock core 1 is bored brokenly, anti-drilling metal sheet 4 under the bit of electrodrill drives with bit 360 ° of rotations apace, thereby make lock core 1 reach anti-drilling, tamper-proof and improve the purpose of the antitheft reliability of the utility model.Thereby improved security reliability of the present utility model further, guaranteed user's property safety widely.Wherein, keyhole 31 on the described metal case 3 can be according to the keyhole 11 of different structure or the spoon body 22 of key 2, its hole shape can be designed to keyhole 11 or key 2 the spoon body 22 shape identical, as the keyhole 11 of lock core 1 or the spoon body 22 of key 2 is in-line, as shown in Figure 2, the hole shape of the keyhole 31 on the described metal case 3 then is the in-line structure; As the keyhole 11 of lock core 1 or the spoon body 22 of key 2 is structure triangular in shape, and as shown in Figure 3, the hole shape of the keyhole 31 on the described metal case 3 promptly is processed into triangular structure accordingly; And for example the spoon body 22 of the keyhole 11 of lock core 1 or key 2 is a decussate texture, and as shown in Figure 4, the hole shape of the keyhole 31 on the described metal case 3 promptly is processed into decussate texture or the like accordingly.Simultaneously, after inserting in the keyhole 11 of lock cores 1 in order to ensure the spoon body 22 of key 2 again, can unblank by left rotation and right rotation lock core 1, described keyhole 31 is combined by the through hole 311 of above-mentioned in-line or various different hole shapes such as triangle or cross and the circular hole 311 that is arranged at these through hole 311 middle parts and forms, and is provided with the groove 21 that matches with the circular hole 311 at keyhole 31 middle parts accordingly on the spoon body 22 of described key 2.

Claims

1, a kind of safe and reliable locking device, comprise lock core (1) and key (2), the keyhole end that it is characterized in that described lock core (1) is provided with the metal case (3) with pick-proof effect that can envelope lock core (1), and the position that corresponds to the keyhole of lock core (1) on this metal case (3) is provided with in the keyhole that the spoon body that can only supply key (2) inserts lock core (1) and the keyhole (31) that can rotate with lock core (1).And be respectively equipped with one and can 360 ° be installed on the anti-drilling metal sheet (4) of the perforation (41) that the spoon body that can only supply key (2) having on the lock core (1) interts rotationally and be used for the mounting groove (32) of the anti-drilling metal sheet of device (4) being positioned at its keyhole (31) rear on the metal case (3).

2, according to the described safe and reliable locking device of claim 1, it is characterized in that above-mentioned keyhole (31) is combined by in-line or triangle or criss-cross through hole (311) and the circular hole (312) that is arranged at this through hole (311) middle part forms, and the spoon body of above-mentioned key (2) is provided with the groove (21) that matches with the circular hole (312) of keyhole (31).