CN2316398Y - Anti-picking lock and its special key - Google Patents

Abstract

The utility model relates to an anti-picking lock core and a special key which are suitable for various locks. The utility model is provided with a lock core body which is processed with a cylinder hole and a key socket. The width h of the key socket is from 0.4 mm to 1.0 mm. The special key which is matched with the anti-picking lock core to use is a key body which is pressed by a plate, and the thickness of the key body is from 0.3 mm to 0.9 mm. The utility model has the advantages that the width of the key socket is only from 0.4 mm to 1.0 mm, the foreign materials, such as an iron wire, an iron nail, and an iron sheet, etc., are difficult to insert, and therefore, the anti-picking performance of the lock can be enhanced, the basic structure of the lock can not be changed, which is favorable for a mass production, the thickness of the key is reduced from 3 times to 4 times, and the portability is convenient.

Description

Pick-proof lock core and private key thereof

The utility model relates to a kind of pick-proof lock core and private key thereof that is applicable to various locks.

Existing padlock or built-in lock all adopt lock cylinder usually, be equipped with the key of dissimilar tooth form again, promptly on lock core, process 1.5～3 millimeters key hole, and on lock core and lock body, process several mutually corresponding pellet shot from a slingshot holes, pack into the therein cylinder-shaped marble and the spring of several different lengths, utilize associated key to come rotational lock core, lock is opened.Because the key hole of existing lock core is in roomy, therefore, the pick-proof poor-performing of lock, iron wire, iron nail or iron plate all can insert wherein, these things of experienced human just can be opened lock, a large amount of larceny cases has proved this point fully, and " king unblanks " of various places do not have especially and lock not open, and this just allows people not have the sense of security all the more.In addition, the width of lock core key jack has also determined the thickness of key, and key is thick more just heavy more, with go up a string several at least handles, tens various key also becomes people's a burden at most.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and existing lock core and key are improved, and improves the pick-proof performance of lock, and a kind of pick-proof lock core and private key thereof are provided.

The utility model is achieved in that

The utility model pick-proof lock core has a lock core body, is processed with pellet shot from a slingshot hole and key hole on the lock core body, and the width h of key hole is 0.4～1.0 millimeter.

In order to open above-mentioned said pick-proof lock core, the utility model also has a private key that matches and use with it, and it is a key body that forms with the sheet material compacting, and the thickness of key body is 0.3～0.9 millimeter.

The utility model compared with prior art has following advantage:

1, the width of key hole only is 0.4～1.0 millimeter on the lock core body, and iron wire, iron nail and iron plate class foreign matter be difficult to insert, and therefore, has improved the pick-proof performance of lock greatly, and, do not change the basic structure of lock, help producing in enormous quantities.

2, the thickness of key has dwindled 2～3 times, has both reduced the volume of key, has alleviated the weight of key again, carries convenient.

Description of drawings:

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

Fig. 2 is the A-A sectional view of Fig. 1.

Provide embodiment of the present utility model below in conjunction with accompanying drawing:

As shown in drawings, the utility model pick-proof lock core has a lock core body 1 that is contained in the lock body, add on the lock core body 15 pellet shot from a slingshot holes are arranged mutually, the quantity in pellet shot from a slingshot hole can be determined according to the size of lock, columniform pellet shot from a slingshot 2 is housed in the pellet shot from a slingshot hole, in the pellet shot from a slingshot hole corresponding on lock body pellet shot from a slingshot 4 and spring 3 is housed with lock core body 1; On lock core body 1, also be processed with the key hole that communicates with the pellet shot from a slingshot hole, have mutual corresponding groove and fin on the key hole, the quantity of groove and fin can be determined according to the size and the performance requirement of lock, the width h of key hole is 0.4 millimeter on the described lock core body 1, and the numerical value of h can be determined in 0.4～1.0 millimeter scope according to the size of lock body and the length of lock core body 1.

Above-mentioned said pick-proof lock core has a private key that matches and use, described private key is a key body 5, have on the key body 5 and lock core body 1 corresponding groove and fin, its also have on one side with lock core body 1 in the profile of tooth that matches of pellet shot from a slingshot 2, the thickness of described key body 5 is 0.3 millimeter, be slightly less than the width of the key hole on the lock core body 1, leave certain clearance between the two, so that insert smoothly, the thickness of key body 5 can be determined in 0.3～0.9 millimeter scope according to the width of key hole; Described key body 5 is used board making, and groove on it and fin can be processed with the method for punching press.

Claims (2)

1, a kind of pick-proof lock core, it has a lock core body (1), and adding on the lock core body (1) has pellet shot from a slingshot hole and key hole mutually, it is characterized in that, and the width h of key hole is 0.4～1.0 millimeter.

2, a kind of and pick-proof lock core private key that matches and use, it is a key body (5) that forms with the sheet material compacting, it is characterized in that the thickness of key body (5) is 0.3～0.9 millimeter.

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