CN2159434Y

CN2159434Y - Character fitting lock

Info

Publication number: CN2159434Y
Application number: CN 93228810
Authority: CN
Inventors: 王宝荣
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-07-23
Filing date: 1993-07-23
Publication date: 1994-03-23
Anticipated expiration: 2003-07-23

Abstract

The utility model relates to a character fitting lock, comprising a lock body, dialing sheets, a positioning casing, a lock cover, a spring, a key, a lock core and screws. The utility model is characterized in that the middle of the lock body is provided with a core shaft, three dialing sheets are fixed on the core shaft, the positioning casing is fixed on the lock core, the spring is arranged between the positioning casing and a front dialing sheet, the front end of the lock body is fixed with the lock cover, and the middle of the lock body is provided with a key hole. The utility model has the advantages of high safety coefficient, high anti-pry performance, high anti-bore performance, high accuracy and high precision.

Description

Character fitting lock

The utility model relates to a kind of lock, particularly a kind of trick lock.

At present, the lock veriety of China is various, especially for use in the trick lock of various safety cabinets, substantially all be with setting stick to the dialer number, the trick lock of this structure, safety factor is little, prized easily, and accuracy, the degree of accuracy is not very good.

The purpose of this utility model provides a kind of trick lock, and it not only can improve safety factor, but also can improve the accuracy and the degree of accuracy.

The purpose of this utility model is achieved in that it comprises lock body, plectrum, location shell, locking closure, spring, key, lock core, screw, it is characterized in that: in the middle of the lock body is a mandrel, fix three plectrums on the mandrel, the location shell is fixed on the lock core, one spring is arranged in the middle of location shell and preceding plectrum, the front end of lock body is fixed with locking closure, and the centre of lock body is a keyhole.Key is inserted in the keyhole.

The utility model has the advantages that: vi have high safety, pick-proof, anti-drilling, accuracy and degree of accuracy height.

Do the embodiment explanation below in conjunction with accompanying drawing.

Accompanying drawing is a structure chart of the present utility model.

By accompanying drawing as can be known, in the middle of the lock body 3 is a mandrel, fix three plectrums (being anter, middle sheet, rear panel) 6,7,9 on mandrel, packing ring 8 is two centres that are placed in three plectrums respectively, and there is a spring 5 centre of location shell 4 and preceding locking plate 6, location shell 4 is fixed on the lock core 11, all be fixed with screw 10 on each plectrum, play plectrum and rotate usefulness, the front end of lock body is fixed with locking closure 2, in the middle of the lock body 3 is keyhole (core hole), and key 1 is inserted in the core hole.

Operating principle: at first key is inserted the core hole, with lock core after clockwise direction slowly rotates, lock core drives plectrum 9 and slowly rotates to clockwise direction, after drive plectrum 7 and 6 was rotated in place, to slowly rotation counterclockwise, plectrum 9 rotated with lock core, plectrum 9 drive plectrums 7 are rotated in place simultaneously, the lock core clockwise direction is rotated again, plectrum 9 is rotated in place, this moment, lock promptly left.

Claims

1, a kind of trick lock, comprise lock body, plectrum, location shell, locking closure, spring, key, lock core, screw, it is characterized in that: in the middle of the lock body is a mandrel, fix three plectrums on the mandrel, the location shell is fixed on the lock core, in the middle of location shell and preceding plectrum a spring is arranged, the front end of lock body is fixed with locking closure, and the centre of lock body is a keyhole.