CN201169991Y

CN201169991Y - Triple security lock

Info

Publication number: CN201169991Y
Application number: CNU2008200117142U
Authority: CN
Inventors: 李洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-25
Filing date: 2008-03-25
Publication date: 2008-12-24
Anticipated expiration: 2018-03-25

Abstract

The utility model relates to a trinary safety lock which belongs to the burglarproof lock technical field. The structure of the triple safety lock is characterized in that a cipher lock is superposed on the structure of a common tumbler lock; the inner end of a lock core is provided with a couple axle which is provided with a key groove and coaxial with a lock core; the couple axle can rotate along the lock core or can rotate separately; and the outer end of the couple axle is provided with a toggling plate. Even if a burglar can turn the lock core, the burglar can not open the cipher lock; and even if the burglar opens the cipher lock, the burglar can not still turn the couple axle and the toggling plate and further can not open the lock. The trinary safety mechanical lock is formed by the tumbler lock, the cipher lock and the couple axle together and which solves the technical problem that the common tumbler lock is easy to pry.

Description

The retrocession lock

Technical field

The utility model relates to a kind of retrocession lock that belongs to the theftproof lock technical field.

Background technology

At present, the mechanical lock that domestic production is sold is of a great variety, but because the structure design of lockset is simple, and technology content is lower, theftproof performance is poor, lacks security insurance in the use.

Summary of the invention

The purpose of this utility model is exactly to provide a kind of security performance higher retrocession lock for solving disadvantages of background technology.

The purpose of this utility model is achieved in that it is provided with shell, shell is connected with lock core base, center at lock core base is provided with lock core, pellet shot from a slingshot and stage clip outside a side of the lock core base position corresponding with pellet shot from a slingshot in the lock core is provided with, be provided with dial in the lock core base outer end, be provided with cipher lock in lock core the inner, also be provided with couple axle with the lock pin coaxial heart in lock core the inner, be provided with key at the place, axle center of couple axle and insert keyway, couple axle can rotate with lock core, also can rotate separately, be provided with plectrum in the outer end of couple axle.

The utility model is compared background technology and had following advantage: 1. theftproof performance is good, executes and steals people's tool lock that promptly enables to start shooting, but will open coded lock, and will rotate couple axle and just can open the utility model, so the utlity model has the retrocession performance; 2. the utility model theft-prevention structure and uncomplicated is convenient to produce in batches.

Description of drawings

Fig. 1 is the utility model structure principle chart.

Fig. 2 is the dial outline drawing.

Fig. 3 is an I key outline drawing.

Fig. 4 is Figure 1A-A sectional view.

Fig. 5 is an II key outline drawing.

The specific embodiment

The utility model is further described by embodiment below in conjunction with accompanying drawing: as shown in Figure 1, shell 1 is connected with lock core base 11 by jackscrew 12, fixed lock core 9 and interior pellet shot from a slingshot 8 and dial 10 on lock core base 11, pellet shot from a slingshot 7 and stage clip 6 outside a side of lock core base 11 is provided with, on lock core 9, be provided with alignment pin 5, in shell 1, be provided with large chip 4 and little chip 2, be respectively equipped with large chip pin 13 and little die pin 14 thereon, also be provided with big back-up ring 3 and little back-up ring 15 simultaneously, be provided with couple axle 16 and plectrum 17 in little back-up ring 15 outsides.As Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, the utility model inserts the I key, rotational lock core 9 in use, alignment pin 5 on the lock core 9 is stirred the large chip pin 13 on the large chip 4 of cryptographic system, drive large chip 4 and rotate, large chip pin 13 is stirred little die pin 14 again and is driven little chip 2 and rotates, align the hole of little chip 2 by the password number after, the counter-rotating key, make large chip 4 backward rotation, press the password number, hole on the large chip 4 and the hole on the little chip 2 are aligned; Transfer to the I key, insert the II key, make the II key pass hole on lock core and two chips, and with in the keyway on the key tooth insertion couple axle 16 of key front end, key drives couple axle 16 and plectrum 17 rotations, stirs dead bolt when plectrum 17 rotates and opens lockset.So the utlity model has the triple anti-pirate of the open functions of cylinder lock, coded lock and couple axle.

Claims

1, a kind of retrocession lock, it is provided with shell, shell is connected with lock core base, center at lock core base is provided with lock core, pellet shot from a slingshot and stage clip outside a side of the lock core base position corresponding with pellet shot from a slingshot in the lock core is provided with, it is levied and is to be provided with dial in the lock core base outer end, be provided with cipher lock in lock core the inner, also be provided with couple axle with the lock pin coaxial heart in lock core the inner, be provided with key at the place, axle center of couple axle and insert keyway, couple axle can rotate with lock core, also can rotate separately, is provided with plectrum in the outer end of couple axle.