CN2218817Y

CN2218817Y - Puzzle chain lock

Info

Publication number: CN2218817Y
Application number: CN 94209313
Authority: CN
Inventors: 黄鸿基
Original assignee: CIXI CITY TRAVEL LOCK FACTORY
Current assignee: CIXI CITY TRAVEL LOCK FACTORY
Priority date: 1994-04-14
Filing date: 1994-04-14
Publication date: 1996-01-31
Anticipated expiration: 2004-04-14

Abstract

The utility model relates to a chain lock which is provided with a cipher lock and is used for locking portable objects or bicycles to prevent illegal move. The utility model comprises a lock core, a lock core cover, a lock tongue, a lock tongue cover and a metal chain (or steel wire). A plurality of number loops are sheathed on the lock core. Spring sheets are arranged between the end surface of the lock core cover and the number loops and between the number loops. A clamping spring mechanism is arranged behind the last number loop. So long as the number loops are rotated to correct ciphers, the lock tongue can be placed into the lock core or drawn out from the lock core. The utility model has the advantages of simple and compact structure, convenient manufacture and use, safety and secrecy.

Description

The password chain lock

The utility model relate to a kind of with coded lock, in order to locking portable object or bicycle, in case the illegal chain lock that moves.Specifically a kind of password chain lock.

Existing most of chain lock in order to locking portable object and bicycle all need carry the key inconvenience with key operated.Some password chain locks are also arranged, and the structure more complicated is not only made difficulty mostly, and causes cost to increase.

The utility model provides a kind of structure simple especially to society, uses to reach password chain lock convenient, secret purpose equally.

The utility model is such: it comprises being vertically fixed on locks the lock stamen that stamen covers, be vertically fixed on the dead bolt that dead bolt covers, one end is installed in that the lock stamen covers, the other end is installed in the metal bracelet (or steel wire) that dead bolt covers, and is inserted in several figure rings on its lock stamen; Between figure ring and the lock stamen lid end face, all be provided with reed between figure ring and the figure ring; Last figure ring outside is provided with jump ring mechanism.Because the effect of jump ring mechanism can not drop out number figure and reed from the lock stamen.Owing to the effect of reed and jump ring mechanism, several figure rings can be stirred on the lock stamen but can not oneself rotate again.When the figure ring on the lock stamen was discharged password, dead bolt just can be put into the lock stamen or release from the lock stamen.At will turn figure ring, password is upset, dead bolt just can not be put into the lock stamen or put into the dead bolt of locking stamen and can not extract from the lock stamen.So, figure ring has been controlled the locking and the unlatching of coded lock.When the coded lock locking, an end is contained in that the lock stamen covers, the other end is contained in the metal bracelet (or steel wire) that dead bolt covers and portable object or bicycle can be entangled.

The utility model can locking or open this password chain lock as long as rotate figure ring, so the utility model is simple in structure, make and easy to use, and reached can the lock unlatching without key purpose.

Description of drawings

Fig. 1 is the utility model structural representation (broken section);

Fig. 2 is the A-A sectional view;

Fig. 3 is the reed right view;

Fig. 4 is the figure ring left view.

Set forth the utility model below in conjunction with accompanying drawing.Lock stamen 4 is vertically fixed on the lock stamen lid 3.Dead bolt 8 is vertically fixed on the dead bolt lid 9.Metal bracelet 1 is by pin 10, pin cap 11, and the one end is connected the lock stamen and covers, and the other end is connected dead bolt and covers.Metal bracelet is outward a plastic pipe topping 2.Lock is inserted in four figure rings 6 on the stamen, and figure ring covers between the end face with the lock stamen, be provided with reed 5 between figure ring and the figure ring.Jump ring mechanism is made up of pad 15 and jump ring 12.The lock stamen is hollow cylindrical, and an opening 14 is arranged, and there are three

grooves

17,18,19 on its surface.Reed 5 is circle, sheet, and its inner rim has a groove 21 and two projections 22, on its right side, there are a projection 23 (see figure 3)s on the groove opposite.This two projection 22 is complementary with

groove

17,19 on the lock stamen, can not rotate after making reed be inserted in the lock stamen.Several numbers 16 are arranged on figure ring 6 outer rims, and its inner rim has a groove 13, and there is pit 20 (figure ring has six numbers that six pits are then arranged, and sees Fig. 4) at the position of aiming at number on its left side.This pit 20 cooperates with projection 23 on the reed right side.When rotating figure ring 6, the moving number of revolution just sends one " clatter " sound, and makes feel obvious, stirs a number of a number.Dead bolt 8 is cylinder, has five shoulders prominent 7 above, the cylinder bodily form add the prominent such dead bolt of shoulder can with lock stamen endoporus and figure ring inner edge groove 13, the hole that reed inner edge groove 21 the is formed (see figure 2) that combines.Jump ring 12 buckles into the groove 18 on the lock stamen 4, and is stuck in lock stamen front end firmly.Turn figure ring 6 one by one, because the effect of reed 5, contiguous figure ring can not rotate.Because of the effect of pad 15 and jump ring 12, figure ring can not drop out from the lock stamen again.After the number on the figure ring 16 (6 numerals are arranged on each figure ring among the figure) was adjusted accurately, the groove 13 of four figure ring inner edges was all aimed at lock stamen opening 14.Because of reed does not rotate on the lock stamen all the time, its inner rim groove 21 is aimed at lock stamen opening 14 all the time.So as long as it is accurate with the number adjustment to stir figure ring, the hole at lock stamen center adds upper groove 13 and groove 21, just in time allows dead bolt put into or extract.At this moment,, then can put into dead bolt, then, upset the number on the figure ring arbitrarily, make the password entanglement just if need locking password chain lock; If need to open the password chain lock, then can directly extract dead bolt.

Parts are few, simple and compact for structure, easy to use in addition for the utility model, and confidentiality is stronger.

Claims

1, a kind of password chain lock, comprise, be vertically fixed on the lock stamen that covers of lock stamen, be vertically fixed on a dead bolt that dead bolt covers and an end and be installed in that the lock stamen covers, the other end is installed in the metal bracelet (or steel wire) that dead bolt covers, it is characterized in that, be inserted in several figure rings on the lock stamen; Between figure ring and the lock stamen lid end face, all be provided with reed between figure ring and the figure ring; Last figure ring outside is provided with jump ring mechanism.

2, password chain lock as claimed in claim 1 is characterized in that, the lock stamen is hollow cylindrical and an opening is arranged, and three grooves are longitudinally arranged on its external surface.

3, password chain lock as claimed in claim 2 is characterized in that, reed is circle, sheet, and a groove and two projections are arranged on its inner rim, on this two projection and the lock stamen wherein two grooves be complementary, on the right side of reed, there is a projection on the opposite of groove.

4, password chain lock as claimed in claim 3 is characterized in that, several numbers are arranged on the figure ring outer rim, and its inner rim has a groove, and there is pit in the place over against number on its left side, and these pits match with projection on the reed right side.

5, as the described password chain lock of one of claim 1-4, it is characterized in that dead bolt is the cylinder bodily form, there have several to take on above to be prominent, and cylinder and shoulder are prominent can to match with the hole of lock stamen endoporus and figure ring inner edge groove and reed inner edge groove composition.

6, password chain lock as claimed in claim 1 or 2 is characterized in that, jump ring mechanism is made up of pad and jump ring, and the part of jump ring buckles in the groove of locking on the stamen, and its two are stuck in lock stamen front end firmly.