CN202273482U - Lock head of mortice anti-theft lock - Google Patents

Abstract

Provided is a lock head of a mortice anti-theft lock. A key is inserted in a lock core, the lock core is inserted in a lock casing, and marbles are installed between the lock core and the lock casing, wherein the lock is characterized in that a boss is vertically arranged perpendicular to the lateral face position of marble holes on the lower portion of the lock casing, a row of marble holes are arranged in the boss, the marble holes are arranged on the lower portion of the lock core and the lock casing corresponding to the lateral face marble holes, and the marbles installed in the marble holes are matched with the key. Due to the fact that the lock head adopts the structure of two rows of marbles which are perpendicular to each other, and the lock head is large in secret key quantity and strong in anti-theft performance.

Description

A kind of core-inset type theftproof lock tapered end

Technical field:

The utility model relates to a kind of core-inset type theftproof lock tapered end.

Background technology:

The core-inset type theftproof lock tapered end of selling in the market mainly is made up of lock shell, lock core, pellet shot from a slingshot and key.Its defective is: size of key is little, and theftproof performance is poor.

Summary of the invention:

The purpose of the utility model is: provide a kind of size of key big, and the core-inset type theftproof lock tapered end that theftproof performance is strong, it is simple in structure and easy to use.

The utility model is realized through following technical scheme:

A kind of core-inset type theftproof lock tapered end; Key is inserted in the lock core, and lock core is inserted in the lock shell, and pellet shot from a slingshot is contained between lock core and the lock shell; It is characterized in that: the lateral location perpendicular to lock pellet shot from a slingshot hole, shell bottom vertically is provided with a boss; Be provided with row's pellet shot from a slingshot hole in the boss, lock core is provided with the pellet shot from a slingshot hole with the corresponding position in lock shell bottom and side tumbler hole, and the pellet shot from a slingshot that is contained in the pellet shot from a slingshot hole matches with key.

The course of work of the utility model is following: during use; Key inserts in the lock core, and the pellet shot from a slingshot of lock core bottom and the pellet shot from a slingshot of side while are complementary with on the key tartar or compare, when the length of pellet shot from a slingshot is consistent with the tartar degree of depth of being opened on the key; Lock core is promptly rotatable, otherwise lock core can not rotate.

Because the utility model adopts orthogonal two row's billiards structures, makes that the tapered end size of key is big, theftproof performance is strong.

Description of drawings:

Fig. 1 is the utility model example structure longitudinal sectional view.

Fig. 2 is the utility model example structure transverse sectional view.

The specific embodiment:

In conjunction with Fig. 1, shown in Figure 2; The core-inset type theftproof lock tapered end of present embodiment comprises: key 3 is inserted in the lock core 2, and lock core 2 is inserted in the lock shell 1, and pellet shot from a slingshot 4 is contained between lock core 2 and the lock shell 1; It is characterized in that: the lateral location perpendicular to lock pellet shot from a slingshot hole, shell 1 bottom 5 vertically is provided with a boss 7; Be provided with row's pellet shot from a slingshot hole 8 in the boss 7, lock core 2 is provided with the pellet shot from a slingshot hole with the corresponding position in lock shell 1 bottom and side tumbler hole 5 and pellet shot from a slingshot hole 8, and the pellet shot from a slingshot 4 that is contained in pellet shot from a slingshot hole 5 and 8 matches with key 3.During use; Key 3 inserts in the keyhole 9 of lock cores 2, and the pellet shot from a slingshot 4 of lock core 2 bottoms and the pellet shot from a slingshot 4 of side mate with tartar on the key 3 or compare, when the tartar degree of depth of being opened on the length of pellet shot from a slingshot 4 and the key 3 is consistent; Lock core 2 is promptly rotatable; Drive shifting block 6 lockset that is attached thereto is opened, otherwise lock core 2 can not rotate, lockset can not be opened.The core-inset type theftproof lock tapered end of present embodiment, size of key is big, and theftproof performance is strong.

Claims (1)

1. core-inset type theftproof lock tapered end; Key is inserted in the lock core, and lock core is inserted in the lock shell, and pellet shot from a slingshot is contained between lock core and the lock shell; It is characterized in that: the lateral location perpendicular to lock pellet shot from a slingshot hole, shell bottom vertically is provided with a boss; Be provided with row's pellet shot from a slingshot hole in the boss, lock core is provided with the pellet shot from a slingshot hole with the corresponding position in lock shell bottom and side tumbler hole, and the pellet shot from a slingshot that is contained in the pellet shot from a slingshot hole matches with key.

Images