CN204199880U - A kind of Coded bullet lock and key - Google Patents

Abstract

The utility model discloses a kind of Coded bullet lock and key, the dead bolt that this Coded bullet lock comprises tapered end, the lock body be connected with tapered end and is connected with lock body, in tapered end, at least one lock core is installed, in lock body, transmission mechanism is installed, lock core is connected with dead bolt by transmission mechanism, tapered end and lock body removably connect, on tapered end, radial direction has at least one marble hole, marble hole is communicated with the lockhole of lock core, detachable installation pellet and snap in marble hole, the end of pellet abuts with snap, and the top of pellet extends in lockhole, and marble hole removably connects port lid; This key comprises the spoon bar coordinating grafting with lockhole, the axially socket change corresponding with marble hole successively of spoon bar, change evenly has with not homology functor with the use of spoon groove.The coded lock that the utility model provides can change ten thousand yards by a lock, improves the security performance of lock, and this key spoonfully can drive ten thousand locks in addition, is one by many key unifications of locking, easy to use, with low cost, is easy to carry.

Description

A kind of Coded bullet lock and key

Technical field

The utility model relates to lock technology field, in particular to a kind of Coded bullet lock and key.

Background technology

Lockset is with a long history, according to the definition of " Ci hai ", " be referred to as lock with the device of sealing that key could be opened ", in other words, if without key just can absolve just can not be referred to as lock, at least can not be called genuine lock, therefore, lockset is mainly used in antitheft and secret, since mankind's utility model lockset, has been locked in people's life and has had irreplaceable important function.

At present, existing lockset mostly is the common spring lock of mechanical structure, its structure is simple, principle uses the cylinder-shaped marble of multiple differing heights to pin lock core, when putting into key matching used with it, each pellet is pushed to identical height, lock core is just rotatable, dead bolt is driven to realize unblanking, but the structure of this its key of cylinder lock and corresponding lock core structure are all fixing, and a key must join a lock, if therefore family has several locks, then need to wear many keys, all need to take out many key unlocking during each enabling, not only carry inconvenience, and easily lose, once key loss, the people finding key is easy to lock just can open, if between key, structure comparison is similar in addition, then when opening the door at every turn, repeatedly whether key is supporting with lock all to need the trial of a handle, supportingly just to unblank afterwards, use loaded down with trivial details, distinguishing property is poor, if key, once the words of loss, cannot conveniently obtain matched key and unblank, existing cylinder lock is also poor in theftproof in addition, for the robber having no moral concept, high-tech means picking lock is utilized to open the door, become and be easy to thing especially, these robbers make people hard to guard against thus.So, people's active demand one can by all keys all unification be one, and there is the lockset of higher theftproof performance.

Utility model content

For the structure and the corresponding lock core structure that solve lockset of the prior art and key are all fixing, and a key must join a lock, not only carry inconvenience, and easily lose, during each enabling, repeatedly whether key is supporting with lock all to need the trial of a handle, supportingly just to unblank afterwards, use loaded down with trivial details, distinguishing property is poor, if key is once the words of losing need to change lock in time, the defects such as guarantee safety, the purpose of this utility model is to provide a kind of Coded bullet lock and key.

For achieving the above object, the utility model embodiments provides a kind of Coded bullet lock, the dead bolt comprising tapered end, the lock body be connected with tapered end and be connected with lock body, in tapered end, at least one lock core is installed, in lock body, transmission mechanism is installed, lock core is connected with dead bolt by transmission mechanism, tapered end and lock body removably connect, on tapered end, radial direction has at least one marble hole, marble hole is communicated with the lockhole of lock core, detachable installation pellet and snap in marble hole, and the end of pellet abuts with snap, the top of pellet extends in lockhole, and marble hole removably connects port lid.

The utility model structure is simple, marble hole is marble hole, spring length user in marble hole can choose at random installation, after the pellet installation of different length, by port lid, marble hole is closed, when regulating different pellets, pellet can be numbered mark, as long as the key of correspondence is adjusted to corresponding numbering spoon groove when unblanking, the password adjustment of the utility model by regulating pellet to carry out Coded bullet lock, thus make coded lock that multiple password can be set, security performance is high, picking lock difficulty is added to robber, once after password leakage, password can be exchanged, simple to operate, easy to use and safer, can accomplish that a lock changes ten thousand yards, in addition tapered end can arrange multiple marble hole, so namely, form multiple password, not only safety factor is high for this lock using the utility model to provide, and structure is simple, practical.

Further, two lock cores are installed in tapered end, two lock cores be respectively with the use of main lock core and auxiliary lock core, main lock core is connected with transmission mechanism by lock core shaft, the end of auxiliary lock core is stretched in lock body, and auxiliary lock core is connected with the nut be fixed on lock body inside wall.In the technical program, there are in further restriction tapered end two lock cores and be main lock core and auxiliary lock core, main, the parallel placement of auxiliary lock core and be in same plane, and two lock cores are rotatable lock core, two lock cores all can carry out setting code by regulating pellet, the key of certain two lock cores can be unified to be one, also can unify to be two, password can be the same or different, determine according to service condition, two lock-core structure can play the object being connected to each other and pinning the other side in addition, the effect of main lock core has two: 1. main lock core is in rotation process, dead bolt motion is driven by transmission mechanism, thus complete unlatching or the closedown of door, 2. main lock core is for pinning auxiliary lock core, thus makes auxiliary lock core be not easy to turn in the other direction, prevents being separated of tapered end and lock body.The effect of auxiliary lock core has two in addition: 1. auxiliary lock core is connected with the nut thread on lock body side wall, thus achieve removably connecting of tapered end and lock body, namely when wanting to take off tapered end, auxiliary lock core can be turned counterclockwise, thus auxiliary lock core is separated with nut, and then achieve being separated of tapered end and lock body; 2. auxiliary lock core is for locking main lock core, when needs are unblanked, after auxiliary lock core need being opened, just main lock core can be unlocked, and then rotation main lock core is unblanked, practical.

Further, the equal symmetry of major and minor lock core has lock core hole, and marble hole is communicated with by lock core hole with lockhole.In the technical program, further define on lock core and symmetry all must have lock core hole, just can ensure that two lock cores use a key, otherwise key cannot be extracted.

Further, on tapered end, between major and minor lock core, radial direction has two installing holes, and place retaining mechanism in installing hole, the two ends of retaining mechanism lean respectively on left and right lock core lateral wall; Retaining mechanism in two installing holes is oppositely arranged.Interlocked by retaining mechanism between main lock core and auxiliary lock core, retaining mechanism is fixed in the installing hole of tapered end, retaining mechanism in two installing holes is oppositely arranged, the object of reverse setting is mainly used in the rotation direction limiting different lock core, such as after coded lock locking, when wanting to open, main lock core just can unlock after only turning clockwise by auxiliary lock core, therefore the utility model smart structural design, practical.

Further, retaining mechanism comprises push rod, the projection be connected with push rod one end and Compress Spring, and Compress Spring cross-under is on push rod, and one end of Compress Spring leans at projection;

Position corresponding with push rod on major and minor lock core all has the stopper slot rotated counterclockwise for limiting push rod, and the one end away from projection on push rod is positioned at stopper slot, and stopper slot is semi-circular groove; Position corresponding with projection on major and minor lock core all has the draw-in groove for clamping projection.This technical scheme limits retaining mechanism further, retaining mechanism is for locking major and minor lock core, after projection snaps in the draw-in groove of auxiliary lock core, projection drives bayonet lock to be separated with main lock core, and spring flicks and contacts with main lock core, main lock core just can rotate, after projection leaves the draw-in groove of auxiliary lock core, retaining mechanism again with the wall contacts of major and minor lock core, thus limit the rotation of main lock core, therefore two retaining mechanisms are respectively used to the rotation limiting major and minor lock core, thus prevent lock stolen.

Further, transmission mechanism comprises oval pulley, the driven pulley that is slidably connected with oval pulley and the connecting rod be connected with driven pulley, cross-under spring on connecting rod, and the one end away from driven pulley on connecting rod is connected with dead bolt.Further the transmission mechanism in two lock-core structure is limited in the technical program, oval pulley in transmission mechanism is in transmission connection by the lock core shaft of main lock core, drive when main lock core rotates lock core shaft to rotate, thus make oval pulley rotation, when the longitudinal end of oval pulley engages with driven pulley, promotion dead bolt is locked a door, when the minor axis end of oval pulley engages with travelling gear, dead bolt is retracted, and then realizes the situation of enabling, the kind of drive is simple, practical.

Further, install a lock core in tapered end, this lock core is monolock core; In tapered end cross-under lock core pole and with lock core pole with the use of button spindle, monolock core end is connected with lock core pole, and button spindle is all connected with transmission mechanism with the end of lock core pole; Cross-under screw rod in tapered end, the end of screw rod is stretched in lock body, and screw rod is connected with the nut be fixed on lock body inside wall.

In the technical program, further describe the structure only having a lock core in tapered end, the monolock core of lock core to be longitudinal section be rectangle, therefore this lock core can not rotate, monolock core and the cross-under button spindle in tapered end with the use of, button spindle is connected with transmission mechanism respectively with the lock core pole of monolock core, is completed lock a door or open the door by the common driving of button spindle and lock core pole; Single core tapered end and the fixing of lock body are completed by the screw rod of cross-under in tapered end in addition, and the end of screw rod is fixedly connected with the nut be fixed on lock body side wall, is connected firmly, practical.

Further, tapered end has installing hole between screw rod and monolock core, retaining mechanism is placed in installing hole, the two ends of retaining mechanism lean respectively on the lateral wall of monolock core and screw rod, retaining mechanism comprises push rod, the projection be connected with push rod one end and Compress Spring, Compress Spring cross-under is on push rod, and one end of Compress Spring leans at projection; Monolock core has the draw-in groove for clamping projection with projection corresponding position.In the technical program, further describe and to be connected for tie down screw between screw rod with monolock core and to prevent the retaining mechanism of bolt rotary, this retaining mechanism is arranged in the installing hole of the tapered end between screw rod and monolock core, retaining mechanism comprises push rod, the projection be connected with push rod one end and Compress Spring, projection leans on the lateral wall of monolock core, monolock core is positioned at the draw-in groove had bottom projection for clamping projection; During concrete use, lock core pole seesaws and then promotes transmission mechanism motion under the promotion of key, and after lock core pole promotes transmission mechanism, door is opened, now tapered end is ejected in the end of button spindle, draw-in groove on monolock core blocks the projection of bayonet lock just, and now retaining mechanism is separated with screw rod, and screw rod is namely rotatable, therefore in the process seesawed by monolock core, complete the unlatching of screw lock or unlatching and door or the process of closedown, smart structural design, practical.

Further, pass transmission mechanism and comprise oval pulley, gear, the driven pulley be slidably connected with oval pulley and the connecting rod be fixedly connected with driven pulley, gear engages with oval pulley, cross-under spring on connecting rod, and the one end away from driven pulley on connecting rod is connected with dead bolt;

On gear, symmetry fixes two connectors be connected with lock core pole, button spindle respectively, and two connectors are arranged at the both sides of axle center hole respectively, and connector and axle center hole are positioned on same axis.In the technical program, further the transmission mechanism of single core coded lock is further limited, gear in transmission mechanism is in transmission connection by the lock core pole of monolock core and the cooperation of button spindle, when monolock core promotes pinion rotation, the oval pulley rotation of gear driven, when the longitudinal end of oval pulley and driven pulley are slidably connected, promotion dead bolt is locked a door, when the minor axis end of oval pulley and driven pulley are slidably connected, dead bolt is retracted, and then realize the situation of enabling, after locking a door, button spindle is pushed in tapered end, key automatic spring, the kind of drive is simple, practical.

Additionally provide in the utility model embodiment a kind of with described Coded bullet lock with the use of key, comprise the spoon bar coordinating grafting with lockhole, the axially socket change corresponding with marble hole successively of spoon bar, change evenly has with not homology functor with the use of spoon groove.

The matched key of the Coded bullet lock that the utility model provides, the end tip of pellet can be allowed to enter in spoon groove by the spoon groove in change, and then unlock, lock core is made to be able to rotate in lock body smoothly or move forward and backward, key is by adjustment change, obtain correct password and open aforesaid Coded bullet lock, if matched key is lost, the matched key of same structure can have been bought easily.This key can coordinate unlatching many coded lock, only needs to regulate password, simple to operate, economical and practical.

The beneficial effects of the utility model are: the utility model structure is simple, the Principles and methods of traditional cylinder lock is utilized to be made, without the need to electronics and so on function, and coded lock can accomplish that a lock changes ten thousand yards, that is after the password of lock is revealed, user can time update password, simultaneously many locks arbitrarily (can be comprised door lock by coded lock, drawer-lock, locker locks, bag lock, the vehicles are locked, machinery equipment lock etc.) key all unification be one, that is the key that the utility model provides can be accomplished spoonfully to drive ten thousand locks, during use, user can install the pellet on tapered end voluntarily according to pellet length, after installing, the password of pellet installed in record, take out key during enabling to stir the spoon groove corresponding with not homology functor and carry out opening the door, simple to operate, economical and practical, be exclusively used in family's door or plant area of enterprise door, if leave behind key in addition or key loss is forced open the door without the need to pounding lock, as long as buy one key dial-up of the same type.

Accompanying drawing explanation

Fig. 1 is the twin-core structure schematic diagram of a kind of Coded bullet lock described in the utility model embodiment;

Fig. 2 is the enlarged drawing of B in Fig. 1;

The twin-core structure released state figure mono-that Fig. 3 is a kind of Coded bullet lock described in the utility model embodiment;

The twin-core structure released state figure bis-that Fig. 4 is a kind of Coded bullet lock described in the utility model embodiment;

Single cored structure schematic diagram that Fig. 5 is a kind of Coded bullet lock described in the utility model embodiment;

Fig. 6 is the enlarged drawing of A in Fig. 5;

Single cored structure middle gear that Fig. 7 is a kind of Coded bullet lock described in the utility model embodiment and the drive state schematic diagram of oval pulley;

Fig. 8 is the schematic perspective view of the key of a kind of Coded bullet lock described in the utility model embodiment.

In figure,

1, tapered end; 2, lock body; 3, dead bolt; 4, lock core; 5, transmission mechanism; 6, marble hole; 7, lockhole; 8, pellet; 9, snap; 10, port lid; 11, main lock core; 12, auxiliary lock core; 13, lock core shaft; 14, nut; 15, lock core hole; 16, installing hole; 17, retaining mechanism; 18, push rod; 19, projection; 20, Compress Spring; 21, stopper slot; 22, draw-in groove; 23, oval pulley; 24, driven pulley; 25, connecting rod; 26, spring; 27, monolock core; 28, lock core pole; 29, button spindle; 30, screw rod; 31, gear; 32, connector; 33, spoon bar; 34, change; 35, spoon groove.

Detailed description of the invention

Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.

Embodiment 1, as shown in figures 1 to 6, a kind of Coded bullet lock described in the utility model embodiment, comprise tapered end 1, the lock body 2 be connected with tapered end and the dead bolt 3 be connected with lock body, in tapered end, at least one lock core 4 is installed, in lock body, transmission mechanism 5 is installed, lock core is connected with dead bolt by transmission mechanism, tapered end and lock body removably connect, on tapered end, radial direction has at least one marble hole 6, marble hole is communicated with the lockhole 7 of lock core, detachable installation pellet 8 and snap 9 in marble hole, the end of pellet abuts with snap, the top of pellet extends in lockhole, marble hole removably connects port lid 10.

This coded lock can have a lock core, two even multiple lock cores of lock core, this coded lock is mechanical type lock sheerly, utilize the Principles and methods of traditional cylinder lock to be made, without the need to electronics and so on function, this latching operation is convenient and simple, material benefit insurance, be exclusively used in family's door or the multiple fields such as plant area or office, easy to use, simple to operate, can accomplish that a lock changes ten thousand yards, solve lock of the prior art all corresponding use keys, once after key loss, the password of lock can not be revised, the people then finding key is easy to lock to open, the problems such as safety factor difference, ten thousand yards are changed by a lock, can accomplish when after key loss, time update password, lock would not be opened by key easily that then lose, improve safety factor.

One lock changes ten thousand yards as the term suggests be that a lock can by the password regulating the length of pellet in marble hole to revise lock, and user can change at any time, once after password leakage, and change password in time.

In this embodiment, this coded lock mainly utilizes the pellet length difference of installation to carry out setting code, the pellet of various length can be placed in marble hole, spring length in different marble holes is different, thus the on the key corresponding mounting groove required when unblanking is different, therefore often adjusts a pellet, is adjustment password, easy to use, simple to operate.

Coded lock in the operating process of Modify password is: first under the state of door unlatching, unload tapered end, by the port lid of dismounting lower marble hole, then the lower snap of dismounting and pellet, after selecting different pellets, then pellet and port lid are installed, now record the pellet numbering in different lock core marble hole, pellet numbering is numbered according to the length of pellet, finally tapered end is fixed on lock body, during enabling, select corresponding key, complete the work of locking a door or opening the door, easy to use, simple to operate, different lock cores can be selected to regulate identical password or different passwords.

Embodiment 2, as Figure 1-4, a kind of Coded bullet lock described in the utility model embodiment, comprise tapered end, the lock body be connected with tapered end and the dead bolt be connected with lock body, in tapered end, at least one lock core is installed, in lock body, transmission mechanism is installed, lock core is connected with dead bolt by transmission mechanism, tapered end and lock body removably connect, on tapered end, radial direction has at least one marble hole, marble hole is communicated with the lockhole of lock core, detachable installation pellet and snap in marble hole, the end of pellet abuts with snap, the top of pellet extends in lockhole, marble hole removably connects port lid.

As shown in Figure 1, in the technical program, in tapered end described further, two lock cores are installed, two lock cores be respectively with the use of main lock core 11 and auxiliary lock core 12, main lock core is connected with transmission mechanism by lock core shaft 13, the end of auxiliary lock core is stretched in lock body, and auxiliary lock core is connected with the nut 14 be fixed on lock body inside wall.

In this technical scheme, limit in this tapered end further and have two lock cores, two lock cores are respectively main lock core and auxiliary lock core, and the password of two lock cores can be the same or different, and determines according to service condition.

In addition in the technical program, the effect of main lock core has two: 1. main lock core is in rotation process, drives dead bolt motion, thus complete unlatching or the closedown of door by transmission mechanism; 2. main lock core is for pinning auxiliary lock core, thus makes auxiliary lock core be not easy to turn in the other direction, prevents being separated of tapered end and lock body.The effect of auxiliary lock core has two in addition: 1. auxiliary lock core is connected with the nut on lock body side wall, thus achieve the fixing of tapered end and lock body, namely when wanting to take off tapered end, auxiliary lock core can be turned counterclockwise, thus auxiliary lock core is separated with nut, and then achieve being separated of tapered end and lock body; 2. auxiliary lock core is for locking main lock core, when needs are unblanked, after auxiliary lock core need being opened, just main lock core can be unlocked, and then rotation main lock core is unblanked, practical.

In the technical program, the equal symmetry of major and minor lock core described further has lock core hole 15, and marble hole is communicated with by lock core hole with lockhole.

In the technical program, on tapered end described further, between major and minor lock core, radial direction has two installing holes 16, and place retaining mechanism 17 in installing hole, the two ends of retaining mechanism lean respectively on left and right lock core lateral wall; Retaining mechanism in two installing holes is oppositely arranged.In the technical program, retaining mechanism described further comprises push rod 18, the projection 19 be connected with push rod one end and Compress Spring 20, and Compress Spring cross-under is on push rod, and one end of Compress Spring leans at projection;

Position corresponding with push rod on major and minor lock core all has the stopper slot 21 rotated counterclockwise for limiting push rod, and the one end away from projection on push rod is positioned at stopper slot, and stopper slot is semi-circular groove; Position corresponding with projection on major and minor lock core all has the draw-in groove 22 for clamping projection.

Retaining mechanism is used for main lock core and auxiliary lock core interlocking, when main lock core rotates, after in the draw-in groove that projection snaps in main lock core, retaining mechanism is separated with auxiliary lock core, and now auxiliary lock core just can rotate, when in like manner auxiliary lock core rotates, after in the draw-in groove that projection snaps in auxiliary lock core, retaining mechanism is separated with main lock core, and now main lock core just can rotate, and plays the function of an interlocking.If rotation direction error or projection could not enter in draw-in groove, then two locks all can not be opened, simple to operate, smart structural design; During concrete use, long when going out, the interconnection of two lock cores can be pinned for the sake of security, both accomplish dual fail-safe, if the time of going out is not long temporarily, then without the need to twin-core is interlocked, directly by main lock core by door lock, easy to operate.

Connection in addition between tapered end and lock body has been connected with the nut on lock body side wall by auxiliary lock core, and after middle lock core is tightened to the right, tapered end and lock body are fixed, now the installation of tapered end and lock body.

The driven pulley 24 that in the technical program, further described transmission mechanism comprises oval pulley 23, be slidably connected with oval pulley and the connecting rod 25 be connected with driven pulley, cross-under spring 26 on connecting rod, and the one end away from driven pulley on connecting rod is connected with dead bolt.

In this embodiment, the lock core shaft of main lock core drives oval pulley rotation when rotating, and driven pulley to promote with rotating manner thus reaches dead bolt turnover function by oval pulley, and then completes unlatching or the closedown of door, when driven pulley slides into one end of the most major axis of oval pulley, dead bolt stretches out, and completes and locks a door, when one end of the most minor axis of driven pulley slideway elliptic gear, in dead bolt retraction lock body, door is opened, simple to operate, practical.

As shown in Figure 3-4, the process of unblanking for the Coded bullet lock of Double-lock-core is:

(1) according to original spring concealed puzzle, regulate the password of key, key and pellet are supported the use;

(2) key is inserted in the lockhole of auxiliary lock core, then turn key clockwise and be with movable lock core to rotate, after in the draw-in groove that the projection of retaining mechanism is stuck in auxiliary lock core, stop operating (as shown in Fig. 3-A and 3-B), Fig. 3-A is the schematic diagram after Double-lock-core interlocking, and Fig. 3-B is the schematic diagram after main lock core unlocks;

(3) retaining mechanism and main lock core are separated, and now main lock core unlocks, and extracts key subsequently;

(4) adjust key cipher corresponding with the pellet of main lock core, after then key being inserted main lock core, turn key counterclockwise and be with movable lock core to rotate, now door being opened.

If when needing tapered end to be taken off change tapered end password, under needing the state being in pinning at coded lock, key is inserted main lock core, then main lock core is turned clockwise, after in the draw-in groove that the projection of retaining mechanism is stuck in main lock core, stop operating, retaining mechanism is separated with auxiliary lock core, now auxiliary lock core unlocks (as shown in Fig. 4-A and 4-B), then after key being extracted, after inserting auxiliary lock core, turn auxiliary lock core counterclockwise, thus auxiliary lock core and the nut be fixed on lock body side wall are separated, afterwards tapered end is separated with lock body, after tapered end takes off, re-assemblying of pellet can be carried out, afterwards password is regulated, practical, simple to operate.Fig. 4-A is the schematic diagram after Double-lock-core interlocking, and Fig. 4-B is the schematic diagram after auxiliary lock core unlocks.

Embodiment 3, as illustrated in figs. 5-7, a kind of Coded bullet lock described in the utility model embodiment, comprise tapered end, the lock body be connected with tapered end and the dead bolt be connected with lock body, in tapered end, at least one lock core is installed, in lock body, transmission mechanism is installed, lock core is connected with dead bolt by transmission mechanism, tapered end and lock body removably connect, on tapered end, radial direction has at least one marble hole, marble hole is communicated with the lockhole of lock core, detachable installation pellet and snap in marble hole, the end of pellet abuts with snap, the top of pellet extends in lockhole, marble hole removably connects port lid.

In the technical program, install a lock core in tapered end described further, this lock core is monolock core 27; In tapered end cross-under lock core pole 28 and with lock core pole with the use of button spindle 29, monolock core end is connected with lock core pole, and button spindle is all connected with transmission mechanism with the end of lock core pole; Cross-under screw rod 30 in tapered end, the end of screw rod is stretched in lock body, and screw rod is connected with the nut be fixed on lock body inside wall.

In the technical program, monolock core can not rotate, monolock core and the cross-under button spindle in tapered end with the use of, button spindle is connected with transmission mechanism respectively with the lock core pole of lock core, by lever principle, the transmission of the one-in-and-one-out of button spindle and lock core pole completes locks a door or opens the door; Single core tapered end and the fixing of lock body are completed by the screw rod of cross-under in tapered end in addition, and the end of screw rod is fixedly connected with the nut be fixed on lock body side wall, is connected firmly, practical.

In the technical program, tapered end described further has installing hole between screw rod and monolock core, retaining mechanism is placed in installing hole, the two ends of retaining mechanism lean respectively on the lateral wall of monolock core and screw rod, retaining mechanism comprises push rod, the projection be connected with push rod one end and Compress Spring, Compress Spring cross-under is on push rod, and one end of Compress Spring leans at projection; Monolock core has the draw-in groove for clamping projection with projection corresponding position.

In the technical program, retaining mechanism is used for tie down screw, prevent screw rod from can arbitrarily rotate, after monolock core is pushed into lock body, the projection of retaining mechanism is stuck in the draw-in groove of monolock core just, now retaining mechanism is separated with screw rod, now screw rod is namely rotatable, and tapered end can unload by rotary screw, thus the operations such as password of modifying, simple to operate, smart structural design.

In the technical program, further described transmission mechanism comprises oval pulley, gear 31, the driven pulley be slidably connected with oval pulley and the connecting rod be fixedly connected with driven pulley, gear engages with oval pulley, cross-under spring on connecting rod, and the one end away from driven pulley on connecting rod is connected with dead bolt;

On gear, symmetry fixes the both sides that two connectors be connected with lock core pole, button spindle respectively, 32, two connectors are arranged at axle center hole respectively, and connector and axle center hole are positioned on same axis.

In this technical scheme, gear in transmission mechanism is in transmission connection by the lock core pole of monolock core and the cooperation of button spindle, lever principle is similar between button spindle and lock core pole, key pushing lock cylinder bar promotes gear, then button spindle is pushed out tapered end, after button spindle is pushed, key exits automatically, rotated by the linkage moving gear of button spindle and lock core pole, thus make the oval pulley rotation of gear driven, driven pulley to promote with rotating manner thus reaches dead bolt turnover function by oval pulley, and then complete unlatching or the closedown of door, when driven pulley slides into one end of the most major axis of oval pulley, dead bolt stretches out, complete and lock a door, when one end of the most minor axis of the oval pulley of driven pulley slideway, in dead bolt retraction lock body, door is opened, simple to operate, practical.

The process of unblanking for the Coded bullet lock of Double-lock-core is:

(1) according to original spring concealed puzzle, regulate the password of key, key and pellet are supported the use;

(2) key is inserted in the lockhole of monolock core, then continue to promote key, key promotes monolock core bar, lock core pole promotes gear, shaves gear driven elliptic gear and rotates, and travelling gear slides into one end of most minor axis by the one end being positioned at the most major axis of elliptic gear, in dead bolt retraction lock body, door is opened, and complete the process of unblanking, now button spindle is pushed out;

(3) when locking a door, pushed by button spindle in tapered end, now, due to lever principle, key automatic spring, completes the process of locking a door.

If when needing tapered end to be taken off change tapered end password, under needing the state being in pinning at coded lock, key is inserted monolock core, then promote key, the projection of retaining mechanism snaps in the draw-in groove of monolock core lateral wall, is then backed out by screw rod and tapered end can be taken off, re-assemblying of pellet can be carried out subsequently, afterwards password is regulated, practical, simple to operate.

Embodiment 4, as shown in Figure 8, a kind of with described Coded bullet lock described in the utility model embodiment with the use of key, comprise the spoon bar 33 coordinating grafting with lockhole, the axially socket change 34 corresponding with marble hole successively of spoon bar, change evenly has with not homology functor with the use of spoon groove 35.

Spoon groove on the key all matches with the end of pellet, and when key inserts after lockhole, the end of pellet is stuck in spoon groove just, thus completes and unblank, and can be completed the adjustment of password by the rotation of change.

The key that the utility model provides solves in prior art when there is multiple locking to be needed to carry many keys, and key such as easily to lose at the defect, practical.

Spoonful ten thousand locks of opening are that a key can drive many locks as its name suggests, the password regulating coded lock is carried out by the length of changing pellet in tapered end in the technical program, when unblanking, multiple lock can be driven by dialling on the key at one, once key loss, commercially can buy this matching used key, regulate after opening password, unblank, easy to use, simple to operate.

In change, the quantity of the quantity of spoon groove and lock core marble hole always, and position is identical, spoon groove in addition in change all has certain numbering, number corresponding with the numbering of pellet, the spoon groove of different numbering, the degree of depth of its spoon of groove is different, only has when spoon groove matches with corresponding pellet, just can open when unblanking.

Preferred described spoon bar has annular groove with marble hole corresponding position, and change is socketed in annular groove; Annular groove internal fixtion is protruding, change medial surface has the groove for clamping projection.

Change is stuck in annular groove, and annular groove internal fixtion is protruding simultaneously, change medial surface has the groove for fixing clamping projection, prevents change from adjusting one and reserves password back rotation afterwards, practical, easy to adjust.

The method of operating of key when concrete use is: first rotate the change on spoon bar, the quantity of change is identical with the quantity of marble hole (namely lock core marble hole and marble hole), and position is corresponding, until its spoon of groove all reaches correct position (according to the length of not homology functor, regulate the degree of depth of different spoon groove), insert key, pellet is corresponding with corresponding spoon groove, therefore key turns the rotation of rear band movable lock core, completes and unblanks.

Key rotates the position changing spoon groove at any time, when unblanking, as long as know that the erection sequence of the pellet of lock core can stir change, determining the order of spoon groove, unblanking.

All to have six lock core marble holes in each lock core in the schematic diagram that the utility model provides, and four kinds that the type of pellet has length different, marble amount is disregarded, type due to pellet is four kinds, therefore corresponding with coded lock change has the spoon groove of four numberings, rotate change during use, regulate the spoon groove to correspondence, unblank; The utility model spoonfully can drive ten thousand locks, is one by many key unifications of locking, easy to use, with low cost, is easy to carry.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a Coded bullet lock, comprise tapered end (1), the lock body (2) be connected with tapered end and the dead bolt (3) be connected with lock body, in tapered end, at least one lock core (4) is installed, in lock body, transmission mechanism (5) is installed, lock core is connected with dead bolt by transmission mechanism, it is characterized in that, tapered end and lock body removably connect, on tapered end, radial direction has at least one marble hole (6), marble hole is communicated with the lockhole (7) of lock core, pellet (8) and snap (9) are detachably installed in marble hole, the end of pellet abuts with snap, the top of pellet extends in lockhole, marble hole removably connects port lid (10).

2. Coded bullet lock according to claim 1, it is characterized in that, in tapered end, two lock cores are installed, two lock cores be respectively with the use of main lock core (11) and auxiliary lock core (12), main lock core is connected with transmission mechanism by lock core shaft (13), the end of auxiliary lock core is stretched in lock body, and auxiliary lock core is connected with the nut be fixed on lock body inside wall (14).

3. Coded bullet lock according to claim 2, is characterized in that, the equal symmetry of major and minor lock core has lock core hole (15), and marble hole is communicated with by lock core hole with lockhole.

4. Coded bullet lock according to claim 3, it is characterized in that, on tapered end, between major and minor lock core, radial direction has two installing holes (16), and place retaining mechanism (17) in installing hole, the two ends of retaining mechanism lean respectively on left and right lock core lateral wall; Retaining mechanism in two installing holes is oppositely arranged.

5. Coded bullet lock according to claim 4, it is characterized in that, retaining mechanism comprises push rod (18), the projection (19) be connected with push rod one end and Compress Spring (20), Compress Spring cross-under is on push rod, and one end of Compress Spring leans at projection;

Position corresponding with push rod on major and minor lock core all has the stopper slot (21) rotated counterclockwise for limiting push rod, and the one end away from projection on push rod is positioned at stopper slot, and stopper slot is semi-circular groove; Position corresponding with projection on major and minor lock core all has the draw-in groove (22) for clamping projection.

6. Coded bullet lock according to claim 5, it is characterized in that, the driven pulley (24) that transmission mechanism comprises oval pulley (23), be slidably connected with oval pulley and the connecting rod (25) be connected with driven pulley, cross-under spring (26) on connecting rod, and the one end away from driven pulley on connecting rod is connected with dead bolt.

7. Coded bullet lock according to claim 1, is characterized in that, install a lock core in tapered end, this lock core is monolock core (27); In tapered end cross-under lock core pole (28) and with lock core pole with the use of button spindle (29), monolock core end is connected with lock core pole, and button spindle is all connected with transmission mechanism with the end of lock core pole; Cross-under screw rod (30) in tapered end, the end of screw rod is stretched in lock body, and screw rod is connected with the nut be fixed on lock body inside wall.

8. Coded bullet lock according to claim 7, it is characterized in that, tapered end has installing hole between screw rod and monolock core, retaining mechanism is placed in installing hole, the two ends of retaining mechanism lean respectively on the lateral wall of monolock core and screw rod, retaining mechanism comprises push rod, the projection be connected with push rod one end and Compress Spring, and Compress Spring cross-under is on push rod, and one end of Compress Spring leans at projection; Monolock core has the draw-in groove for clamping projection with projection corresponding position.

9. Coded bullet lock according to claim 8, it is characterized in that, transmission mechanism comprises oval pulley, gear (31), the driven pulley be slidably connected with oval pulley and the connecting rod be fixedly connected with driven pulley, gear engages with oval pulley, cross-under spring on connecting rod, and the one end away from driven pulley on connecting rod is connected with dead bolt;

On gear, symmetry fixes two connectors (32) be connected with lock core pole, button spindle respectively, and two connectors are arranged at the both sides of axle center hole respectively, and connector and axle center hole are positioned on same axis.

10. one kind with Coded bullet lock according to claim 1 with the use of key, comprise the spoon bar (33) coordinating grafting with lockhole, it is characterized in that, the axially socket change (34) corresponding with marble hole successively of spoon bar, change evenly has with not homology functor with the use of spoon groove (35).