CN102322179A

CN102322179A - Double-cylinder anti-picking tumbler lock

Info

Publication number: CN102322179A
Application number: CN201110124768A
Authority: CN
Inventors: 宋协钢; 辛长德
Original assignee: Harbin Lock Factory
Current assignee: Harbin Lock Factory
Priority date: 2011-05-16
Filing date: 2011-05-16
Publication date: 2012-01-18

Abstract

The invention provides a double-cylinder anti-picking tumbler lock which has the advantages of high safety and low cost. The double-cylinder anti-picking tumbler lock comprises a key, an outer lock sleeve, a front cylinder, a rear cylinder, a driving bar, a retainer ring, lower tumblers, upper tumblers, tumbler springs, tumbler hole plugs, locating pins and locating pin springs, wherein the key passes through the front cylinder and the rear cylinder, and is connected with the driving bar, the front cylinder and the rear cylinder are connected with the outer lock sleeve through the locating pins, the inner bore of the outer lock sleeve is provided with two annular grooves, the front cylinder and the rear cylinder can be rotated in the grooves, and therefore the front cylinder and the rear cylinder cannot be separated from each other, and after the key is inserted into the front cylinder and the rear cylinder, the front cylinder and the rear cylinder can be rotated as a whole body. The lock can be prevented from being picked open by an unlocking tool, the safety of the lock is enhanced, and the lock can be applied on security doors and wood doors, and can be applied in special environments according to the needs of different users. The cylinders of the lock adopt separate structures, i.e. two cylinders are mounted in the same lock body, and thereby the purpose of picking prevention is realized.

Description

The anti-pellet shot from a slingshot head of dialling of a kind of twin-core

(1) technical field

The present invention relates to civilian five metals, is exactly the anti-pellet shot from a slingshot head of dialling of a kind of twin-core specifically.

(2) background technology

Various locks are a feast for the eyes on the mechanical lock market, and at first the Shape Classification from lockhole has: yi word pattern: broadly say, the lockhole outward appearance be a line be a letter lock, comprise a common letter lock, also have the computer lock.But our a usually said letter lock is not comprise the computer spoon to be locked in interior.The two sides type: there is the lock of two row's pellets shot from a slingshot the keyhole the inside.This lock all is computer spoon lock (a computer spoon lock, as its name suggests, the key made from the computer punching exactly, this surfaces of keys is had a few is the computer lock, comprises that positive double-row bead card mortise door lock of step also is a kind of of computer spoon lock).Three types: the lock that two row's pellets shot from a slingshot are arranged in the keyhole.The four sides type: lockhole has pellet shot from a slingshot on four sides, and like the cross lock, cylinder lock etc. comprise part computer lock.Column type: lockhole is a column type, the four row's pellets shot from a slingshot that distribute on every side, and what have does not have a pellet shot from a slingshot, like the cylinder magnetic lock etc.Semi-circular: the lock outward appearance is semi-circular, like selenodont semicircle click lock and safety cabinet semicircle lock, security protection semicircle lock etc.Brilliant: the above pellet shot from a slingshot of four rows that distributes around the lockhole, like Plum blossom type lock etc.Coded lock: the lock that reaches unlatching through combination of numbers is a coded lock.Special-shaped lock: the lockhole outward appearance is uncommon lock.The side column type; Like outer side column lock Baode peace lock and interior side column lock gold point atomic lock and bilateral post lock Yue agate lock etc.By the material branch: have the wood lock, The gold lock, silver lock, The copper lock, The iron lock, cloisonne enamel lock etc.; By the form branch: circular lock, square lock, pillow lock, literal lock, personage's lock, animal lock, coded lock, hidden door lock, zip, gun barrel lock etc.By the purposes branch: have Padlock, door lock, case lock, cupboard lock, box lock, Drawer Lock, storage lock etc.Pin tumbler lock is widely used in the above-described various lock; Continuous progress along with manufacturing technology; The structure of lock is more and more accurate, and it is also more and more difficult to open lock without key, so technology unlocking company just occurred; This has meanwhile also created opportunity to the lawless person for because of the careless people who loses key has solved a difficult problem.

(3) summary of the invention

The object of the present invention is to provide the anti-pellet shot from a slingshot head of dialling of twin-core that a kind of security performance is good, cost is low.

The objective of the invention is to realize like this: it by key, tapered end overcoat, preceding lock core, rear lock core, transmission bar, snap ring, down pellet shot from a slingshot, go up pellet shot from a slingshot, marble spring, pellet shot from a slingshot hole jam, alignment pin and locating pin spring and form; Before key passes lock core is connected with rear lock core the transmission bar (, preceding lock core, rear lock core pass through alignment pin connection tapered end overcoat, tapered end overcoat endoporus has the twice cannelure; Preceding lock core and rear lock core rotate in groove; Lock core and rear lock core are not separated before making, before key inserts behind lock core and the rear lock core, and the rotation that becomes one of preceding lock core and rear lock core; Preceding lock core is provided with down pellet shot from a slingshot; The tapered end overcoat is provided with pellet shot from a slingshot, and marble spring is with pellet shot from a slingshot hole jam involution, and rear lock core is installed the transmission bar at the back and fixed with snap ring.

The present invention can fundamentally prevent to push tapered end aside with unlocking tool, thereby has improved the security performance of lockset greatly, can be applied on safety door, the timber, can use in particular surroundings according to requirements of different users.The present invention is that a kind of lock core adopts the branch body structure, and two lock cores promptly are installed in same lock body, thereby has realized the anti-purpose of dialling.

(4) description of drawings

Fig. 1 is a structure sectional view of the present invention:

Fig. 2 is the vertical view cutaway drawing of Fig. 1;

Fig. 3 is a lock core sectional view of the present invention.

(5) specific embodiment

For example the present invention is described further below in conjunction with accompanying drawing.

Embodiment 1: combine Fig. 1, Fig. 2, Fig. 3; The anti-pellet shot from a slingshot head of dialling of a kind of twin-core of the present invention, it by key (1), tapered end overcoat (2), preceding lock core (3), rear lock core (4), transmission bar (5), snap ring (6), down pellet shot from a slingshot (7), go up pellet shot from a slingshot (8), marble spring (9), pellet shot from a slingshot hole jam (10), alignment pin (11) and locating pin spring (12) and form, key (1) passes preceding lock core (3) and is connected transmission bar (5) with rear lock core (4); Preceding lock core (3), rear lock core (4) connect tapered end overcoat (2) through alignment pin (11); Tapered end overcoat (2) endoporus has the twice cannelure, and preceding lock core (3) and rear lock core (4) rotate in groove, makes preceding lock core (3) and rear lock core (4) not separated; After key inserts preceding lock core (3) and rear lock core (4); Before the rotation that becomes one of lock core (3) and rear lock core (4), preceding lock core (3) is provided with down pellet shot from a slingshot (7), the tapered end overcoat is provided with pellet shot from a slingshot (8); Marble spring (9) is with pellet shot from a slingshot hole jam (10) involution, and it is fixing with snap ring (6) that transmission bar (5) is installed in rear lock core (4) back.

Embodiment 2: combine Fig. 1-Fig. 3, the anti-pellet shot from a slingshot head of dialling of a kind of twin-core of the present invention adopts and divides body structure, and two lock cores promptly are installed in same lock body, thereby has realized the anti-purpose of dialling.Lock body technical scheme of the present invention is achieved in that the two ends of two lock cores that process from lock tube is respectively charged into, and installs two alignment pins simultaneously additional, behind the insertion key, lock core can be rotated free, flexibly in lock tube.After key was extracted the pellet shot from a slingshot head, bullet became safe work state, and utilize unlocking tool to carry out technical opening this moment; Demonstrating first lock core rotates; Owing to first lock core rotates the groove that will shelter from second lock core, make unlocking tool can't probe into unlatching, thereby reach the anti-purpose of dialling of tapered end.Owing to adopted twin-core, can only preceding lock core (3) be rotated with unlocking tool, rear lock core (4) can not rotate.Because the groove of rear lock core (4) has been blocked in the rotation of preceding lock core (3), unlocking tool can not be stretched rear lock core (4) inside, can not stir rear lock core (4), thereby reaches the anti-purpose of dialling, preventing technical opening, antitheft.

Claims

1. a twin-core prevents dialling the pellet shot from a slingshot head; It is made up of key (1), tapered end overcoat (2), preceding lock core (3), rear lock core (4), transmission bar (5), snap ring (6), time pellet shot from a slingshot (7), last pellet shot from a slingshot (8), marble spring (9), pellet shot from a slingshot hole jam (10), alignment pin (11) and locating pin spring (12); It is characterized in that: key (1) passes preceding lock core (3) and is connected transmission bar (5) with rear lock core (4), and preceding lock core (3), rear lock core (4) connect tapered end overcoat (2) through alignment pin (11), and tapered end overcoat (2) endoporus has the twice cannelure; Preceding lock core (3) and rear lock core (4) rotate in groove; Make preceding lock core (3) and rear lock core (4) not separated, before key inserts behind lock core (3) and the rear lock core (4), the rotation that becomes one of preceding lock core (3) and rear lock core (4); Preceding lock core (3) is provided with down pellet shot from a slingshot (7); The tapered end overcoat is provided with pellet shot from a slingshot (8), and marble spring (9) is with pellet shot from a slingshot hole jam (10) involution, and it is fixing with snap ring (6) that transmission bar (5) is installed in rear lock core (4) back.