CN2806680Y

CN2806680Y - E-shape lock cylinder and corresponding key

Info

Publication number: CN2806680Y
Application number: CN 200420104499
Authority: CN
Inventors: 刘关美
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-21
Filing date: 2004-10-25
Publication date: 2006-08-16
Anticipated expiration: 2014-10-25

Abstract

The utility model discloses an E-shaped lock core and a key which is matched with the lock core, which is formed by the assembly of a lock core, a key, a clamping ball, a pin ball, a clamping rod and a casing. The utility model mainly improves the safety of multiple theft protection by the mutual action of the lock core, an E-shaped concave-convex long groove which is matched with the key, and the clamping ball, the pin ball and the clamping rod which are matched with the lock core and the key. A lock is not easy to completely open even if one insurance structure of the lock core is pried by a robber with a tool so that the performance of insurance is enhanced.

Description

Chevron lock core and matched key

Technical field

The utility model relates to a kind of chevron lock core and matched key, especially lock core side chevron key groove and matched key tongue.

Technical background

At present, known common lock core elongated slot is cross, in-line, circle and semicircle, especially generally all adopts the single card pearl that moves up and down to come restriction and pried open destruction by robber's recruitment tool easily, the safety performance extreme difference in card pearl part.

Summary of the invention

In order to overcome the technical deficiency of existing lock core safety performance, the utility model provides a kind of chevron lock core and matched key, this chevron lock core and matched key mainly are that the concavo-convex elongated slot of chevron and the card pearl of matching, pin pearl, the blocking rod that the improvement lock core matches with key interacts and carry out multiple burglary insurance, improve safety performance so greatly.

The purpose of this utility model provides a kind of chevron lock core and matched key, the spring housing that it is inserted in housing cooperates the lock core of rotation with card pearl and pin pearl and blocking rod, shop bolt, lock core one side is provided with the chevron key groove, lock core is provided with several card hole of bead and corresponding pin pearl holes of intercommunication, the inner walls corresponding position is provided with one or more and directly establishes locating slot, shop bolt to groove and at afterbody, and the several pin pearl utilizes spring to do to limit mobile structure in the corresponding slide opening of housing groove cooperation core body dual-side.

The beneficial effects of the utility model are to utilize multiple burglary insurance structure, and safety performance is strong, and is rational in infrastructure, easy to use.

Description of drawings:

Below in conjunction with accompanying drawing and example the utility model is further specified:

Fig. 1 is a blast structure chart of the present utility model

Fig. 2 is a closure state schematic diagram when not inserting key of the present utility model

Open mode schematic diagram when Fig. 3 is an insertion key of the present utility model

Key body in the drawings 1; 2, key tongue; 3, lock core; 4, key groove; 5, the card hole of bead; 6, card pearl spring; 7, card pearl spring body; 8, card pearl; 9, pin pearl hole; 10, pin pearl spring; 11, pin pearl; 12, blocking rod hole; 13, blocking rod; 14, blocking rod groove; 15, blocking rod spring; 16, closure body; 17, housing; 18, long recess; 19, locating slot; 20, shop bolt.

Specific embodiment:

In Fig. 1, be provided with key groove (4) in lock core (3) one sides, be provided with the card hole of bead (5) and opposite side pin pearl hole (9) intercommunication in the key groove (4), insert card pearl spring (6) in the card hole of bead (5), card pearl spring body (7), card pearl (8), insert pin pearl spring (10) pin pearl (11) in the pin pearl hole (9), other breech face of lock core (3) is provided with and inserts blocking rod (13) blocking rod spring (15) closure body (16) in the hole, blocking rod hole (12), the lock core (3) that assembles is inserted the complete lock core (3) of composition in the housing (17), and the key groove (4) on the corresponding lock core of key body (1) key tongue (2) (3) is inserted and is cooperated lock core (3) to open, the closed use.

Claims

1, a kind of chevron lock core and matched key, comprise housing and insert and wherein cooperate the lock core that rotates, this lock core one side is provided with the chevron key groove, it is characterized in that being provided with key groove in lock core one side, be provided with in the key groove and insert card pearl spring, card pearl spring body, card pearl in the card hole of bead, the hole, opposite side is provided with pin pearl hole, insert pin pearl spring, pin pearl in the hole, the lock core breech face is provided with blocking rod hole, insert blocking rod, blocking rod groove, blocking rod spring, closure body in the hole, inner walls is established one or more directly to long recess.

2, according to described chevron lock core of claim 1 and matched key, its feature is that also pin pearl body is provided with a great achievement half-circle-arc shape.