CN2353840Y

CN2353840Y - Anti-theft lock

Info

Publication number: CN2353840Y
Application number: CN 97222518
Authority: CN
Inventors: 李公健
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-27
Filing date: 1997-07-27
Publication date: 1999-12-15
Anticipated expiration: 2006-09-25

Abstract

The utility model relates to an anti-theft lock. A lock rod which is provided with teeth and a key hole is arranged in the lock body. The lower end surface of the lock rod is in the wedge shape, the lower end surface of the lock rod is also provided with a slot, and the upper part of the lower end surface is provided with a hook pulling hole. The teeth on the lock rod are matched with number teeth. A boss which can slide along the boss is arranged on one end of the thin neck of a built-in lock rod. The built-in lock rod is inserted in a handle bar hole. A key rod is arranged in the lock rod, and a key spring hole of the key rod is matched with a spring hole on the thick end of the upper part of the lock rod. A deflective rod on the lower end of the key rod is inserted into the slot on the upper part of the pulling hook whose hook end hooks the boss of the built-in lock rod. A chain lock hole is also arranged on the lock rod.

Description

Theftproof lock

This novel anti-theft is locked in the antitheft field of Bicycles and Motorcycles off the beaten track, and the generation that can effectively avoid theft is a kind of special theftproof lock.

China is bikedom, bicycle recoverable amount the first in the world, and be on the rise along with the expanding economy Bicycles and Motorcycles increases gradually and loses phenomenon, existing bicycle lock and lock for motorcycle exist all deficiencies, and the design addresses this problem effectively.

The utility model is achieved in that it comprises lock body, locking bar, protects axle, spring, number tooth, hidden lock rod, key bar, pull hook, chain lock, shelves key, jump ring and have the power hole core.It is characterized in that the inside of lock body is provided with the locking bar of band tooth and keyhole, the lower surface of locking bar is wedge shape, also be provided with Yi Goucao in the lower surface, top, lower surface is provided with a pull hook hole, tooth on the locking bar matches with the number tooth, being provided with this boss of a boss at thin neck one end of hidden lock rod can slide along groove, hidden lock rod embeds in the handlebar hole, be provided with key bar in locking bar inside, the key spring eye of key bar matches with the spring eye of locking bar top butt end, the inclined to one side post of key bar lower end inserts the groove on pull hook top, the boss that catches on hidden lock rod is held in colluding of pull hook, make it advance goods to pull out along the pull hook hole, on locking bar, also be provided with the chain lockhole.

The utility model lockset has following characteristics:

(1) after locking bar was pressed, hidden lock rod inserted handlebar core is made it fixing, and any direction be can't see locking bar from the outside, even sawed-off hidden lock rod also can't take out broken end, still pins handlebar.

(2) chain lock pins car and building or front-wheel is pinned.

(3) adopt six item sign indicating numbers, and be provided with several screws on each number tooth, the number of changing arbitrarily in 1,000,000 numbers, just can be opened going out once.

(4) also can freely unblank with key.

(5) each parts of lock all can be pulled down cleaning, install not bad throughout one's life just like new lock again.

(6) lock and Che Liang are integrated, and it is bad to lock bad car, lock car and exist.Have easy to use, durable, insurance, attractive in appearance, etc. advantage.

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

Figure one: the structural representation that is theftproof lock.

Figure two: be that cuing open of figure one shown vertical view.

Figure three, figure four, figure five: the partial enlarged drawing that is figure one.

Figure six: be local partial view.

Shown in figure (one)-(six), this theftproof lock comprises that lock body (1) locking bar (2) protects axle (3) spring (4) number tooth (5) hidden lock rod (6) key bar (7) chain lock (10) pull hook (11) jump ring (13) shelves key (14) key (15) screw (16) pads (17) core (19).In lock body (1), be provided with the locking bar (2) of band tooth and keyhole, the lower surface of locking bar (2) is wedge shape, wedge surface is provided with a groove (8), locking bar (2) is gone up folded tooth and is matched with number tooth (5), end at hidden lock rod (6) is provided with thin neck, thin neck head end has a boss (9), this boss (9) can slide along groove (8), be provided with key bar (7) in locking bar (2) inside, the lower end of key bar (7) has the inclined to one side post 18 of an inclined to one side post (18) to insert in the groove of pull hooks (11), drive pull hook (11), the end that colludes of pull hook catches on the boss (9) of hidden lock rod (6), makes hidden lock rod pull out goods along pull hook hole (12) and advances in the core (19).On lock body, also be provided with chain lockhole (10).

Remarks: 1, this lock uses several Nian Houru generation dirts need pull down when cleaning, can open combination lock takes out locking bar (2), just see that jump ring (13) takes out jump ring (13) with tweezers, after shelves key (14) and all the other each parts all take out cleaning, install in turn just like new lock again.

2, number tooth (5) is made of Internal and external cycle, elder generation is unblanking the close screw-driving of number during the number of changing, all the other unclamp, open on the locking bar of lock back that folded tooth staggers with number tooth (5) and eight firmly, the more close screw of the number of unblanking (16) is unclamped, broadcast number tooth outer ring and forward the number of wanting to, and inner ring eight is firmly motionless, tightening then need the close screw of number, after the number of having changed, locks lock more at last with whole screw-drivings in succession.

When 3, using this theftproof lock is arranged on the joint portion of handlebar and car beam, earlier the chain lock is inserted chain lockhole (10)) in press locking bar (2) eight down and live the chain tapered end, it is traversing to promote hidden lock rod (6) simultaneously, inserts core (19) being made handlebar fix in one direction.

Claims

A kind of theftproof lock, it comprises lock body, locking bar, protect axle, spring, the number tooth, hidden lock rod, key bar, pull hook, chain lock, the shelves key, jump ring, with have power the hole core, it is characterized in that the inside of lock body is provided with the locking bar of band tooth and keyhole, the lower surface of locking bar is wedge shape, also be provided with Yi Goucao in the lower surface, top, lower surface is provided with a pull hook hole, tooth on the locking bar matches with the number tooth, being provided with this boss of a boss at thin neck one end of hidden lock rod can slide along groove, hidden lock rod embeds in the handlebar hole, be provided with key bar in locking bar inside, the key spring eye of key bar matches with the spring eye of locking bar top butt end, the inclined to one side post of key bar lower end inserts the groove on pull hook top, the boss that catches on hidden lock rod is held in colluding of pull hook, make it advance goods to pull out along the pull hook hole, on locking bar, also be provided with the chain lockhole.