CN2366504Y

CN2366504Y - Double open and spiral type theft-proof lock

Info

Publication number: CN2366504Y
Application number: CN 99222589
Authority: CN
Inventors: 杨凤芝
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-01-21
Filing date: 1999-01-21
Publication date: 2000-03-01
Anticipated expiration: 2009-01-21

Abstract

The utility model discloses a double open spiral type theftproof lock, which comprises a lock body, a lock core, a guide column, spiral slots, a circular pipe key, a drilling preventing pad, etc., wherein, the rod part of the circular pipe key is provided with two spiral convex edges with locking screws; the two spiral slots are arranged on a hole wall which is arranged in the lock core; the inner part of each spiral slot is distributed with a plurality of balls; an annular handle of the root part of the circular pipe key is distributed with a plurality of ball holes along the periphery; balls are placed on the lock core at the corresponding position; the number of screwing holes of the drilling preventing pad is multiple, and the screwing holes are symmetrical. The utility model has the advantages of scientific and reasonable structure, high size of the key, and high safety.

Description

Two unlatching spiral theftproof locks

The utility model relates to a kind of lock, particularly a kind of theftproof lock of using on the body of being used for.

Along with the enhancing of awareness of safety, people have had the requirement of more renewals to lockset, and the requirement of this respect shows particularly outstandingly on the door lock in house.Utility model (number of patent application: 92216228) disclose a kind of spiral pellet anti-pull anti-drill lock, it is formed by importing cylinder, lock core, spiral grooves, pipe key bar etc., the inner hole wall of lock core has a spiral grooves, be distributed with pellet shot from a slingshot in it, when the key that has the spiral prominence edge screws in, pellet shot from a slingshot lifts, and lock core and key rotate synchronously, can unblank.This lock and original conventional contrast, structure is more reasonable, and safety in utilization also improves relatively, but because the structural limitations of himself, its size of key only has 46656, well below the requirement of national ministry standard 60,000, thereby produces the too high disadvantage of mutual opening rate; In addition, the slip of the anti-drilling pad at keyhole place and unlatching need be revolved three-sixth turn, make the insertion of key and location produce difficulty, especially are unsuitable for opening night with old age, children and use.

The purpose of this utility model provides a kind of novel two spiral theftproof locks of opening that can effectively overcome the problems referred to above generation, and it is scientific and reasonable for structure, and is safe and reliable.

The purpose of this utility model is achieved in that it comprises lock body, lock core, guide cylinder, spiral grooves, pipe key and anti-drilling pad etc., it is characterized in that: pipe key bar portion is provided with two spiral prominence edges that have tartar, have two spiral grooves on the lock core inner hole wall, be distributed with some pellets shot from a slingshot in the spiral grooves; Pipe key root handle has some pellets shot from a slingshot hole along its circle distribution, and pellet shot from a slingshot is laid in the relevant position on the lock core; The screw-in hole of anti-drilling pad is a plurality of of symmetry.

The utility model is by many covers pellet shot from a slingshot assembled arrangement of different parts (pipe key bar portion and root handle thereof), thereby can strengthen the size of key of lock effectively, realize two the unlatching, if pipe key root handle and bar portion thereof are equipped with six pellets shot from a slingshot, amounting to so to have 18 pellet shot from a slingshot to arrange, its size of key is up to 10,000,000,000, is 60,000 1,600,000,000 times of national Specification, and the raising of its safety is not sayed and do not resided; Simultaneously, because the anti-drilling pad in lock core entrance screws in the increase in hole, greatly reduce the generation of hole dislocation, improved the error correction of hole dislocation, all can finish fast under its any state and reorientate, this will make things convenient for numerous old men and children to use greatly.

Below in conjunction with accompanying drawing in detail the utility model is described in detail.

Fig. 1 is the utility model structural representation.

Fig. 2 is the utility model pipe Key structure schematic diagram.

Fig. 3 is the partial structurtes schematic diagram of the utility model key insert division.

As shown in the figure, the utility model comprises lock body 5, lock core 6 and pipe key 1, lock core 6 embeds lock body 5, and can freely rotate within it, be fixed with guide cylinder 7 on the axle center of lock core 6, distance between lock core 6 inner hole walls and the guide cylinder 7 is about 1mm, its objective is to preventing that inserting other instrument carries out technical opening, pipe key 1 bar portion hollow, its periphery is provided with two spiral prominences that have tartar along 8, have two spiral grooves 9 on lock core 6 inner hole walls, be distributed with some pellets shot from a slingshot 4 in the spiral grooves 9, present embodiment adopts six pellets shot from a slingshot 4; Pipe key 1 root handle has some deep mixed pellet shot from a slingshot holes 10 along its circle distribution, present embodiment adopts six, pellet shot from a slingshot 3 is laid in the relevant position on the lock core 6, in order to reduce the resistance that pipe key 1 rotarily opens, pellet shot from a slingshot hole 10 and pellet shot from a slingshot 3 are taper shape, the anti-drilling pad 2 that lock core 6 pipe keys 1 insert an end is provided with a plurality of screw-in holes 11 that are mutually symmetrical, and present embodiment adopts four holes 11 that are mutually symmetrical.

When using the utility model, the pellet shot from a slingshot 4 in the lock core 6 inner hole wall spiral grooves 9 and need to coincide simultaneously with pellet shot from a slingshot 3 on the corresponding lock core 6 in pipe key 1 root pellet shot from a slingshot hole can be unblanked, thereby be realized that the two of this lock open, and increase the safety of lock.

Claims

1. open the spiral theftproof lock for one kind pair, it comprises lock body, lock core, guide cylinder, spiral grooves, pipe key and anti-drilling pad etc., it is characterized in that: pipe key bar portion is provided with two spiral prominence edges that have tartar, have two spiral grooves on the lock core inner hole wall, be distributed with some pellets shot from a slingshot in the spiral grooves; Pipe key root handle has some pellets shot from a slingshot hole along its circle distribution, and pellet shot from a slingshot is laid in the relevant position on the lock core; The screw-in hole of anti-drilling pad is a plurality of of symmetry.

2. two spiral theftproof lock of opening as claimed in claim 1 is characterized in that: on the pipe key root handle on bullet groove and the lock core pellet shot from a slingshot of relevant position for conical.

3. two spiral theftproof lock of opening as claimed in claim 1, it is characterized in that: have two spiral grooves on the lock core inner hole wall and be distributed with six pellets shot from a slingshot respectively, pipe key root handle is provided with six pellet shot from a slingshot holes, and six pellets shot from a slingshot are laid in the relevant position on the lock core.

4. two spiral theftproof lock of opening as claimed in claim 1, it is characterized in that: the screw-in hole of anti-drilling pad is four that are mutually symmetrical.