CN101852040B

CN101852040B - Key-closed mechanical lock

Info

Publication number: CN101852040B
Application number: CN200910029507A
Authority: CN
Inventors: 刘攻关
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-31
Filing date: 2009-03-31
Publication date: 2012-08-29
Anticipated expiration: 2029-03-31
Also published as: CN101852040A

Abstract

The invention discloses a key-closed mechanical lock, comprising a lock cylinder, a lock body, a bolt, a push and pull plate and a key. The specialty of the lock depends on the matching correspondence between the stem of the lock cylinder and the slot of the key. A gap containing a pit at the lower bottom surface of the stem of the lock cylinder just correspond to the bolt. The middle of the bolt is connected with a push and pull rod which can move inwards and outwards. When moving inwards, the push and pull rod can enter the pit at the lower bottom of the lock cylinder to form an unlocking state. When moving outwards, the push and pull rod can form the locking state of the lock. The push and pull plate comprises the push and pull rod, a baffle plate and a handle, wherein the handle is used as the strength bearing point for unlocking the lock; the baffle plate can close the key in a key hole in the process of unlocking; and the push and pull rod enables the bolt to move inwards and outwards to perform the functions of unlocking and locking. The invention provides the mechanical lock which can only perform unlocking operation when the key is totally put in the key hole and after the key hole is closed, thereby improving the thievery prevention. The invention changes the traditional unlocking habit, and the cost is reduced simultaneously.

Description

Key-closed mechanical lock

Technical field

The present invention relates to a kind of key-closed mechanical lock, belong to a kind of unblank lockset of mode of tradition that changes.

Background technology

The existing mechanical lock has been widely used in various safety cabinets, security door, outdoor communications service etc.; Extensive use along with lockset; Various unlocking tools or master key also emerge in an endless stream, but mechanical lock all need hand key and unblank, key is put into lockhole; Use the hand key, thereby rotational lock core is opened lockset.Therefore as long as lockhole is open, the possibility that just might be opened by master key or other unlocking tools, no matter from what kind of password, permutation and combination, as long as lockhole is open, just can repetition test, till unlatching.Therefore a kind of lockset listing just has various unlocking tools to emerge soon.Even the coded lock of precise structure also can be opened lock by other relevant device by senior locksmith.And whether can successfully unblank, often depending on whether key can rotate, if carry out the violence rotation,, also might lock be opened even if key does not match.

In CN101016807A, disclose a kind of meshing mechanism modular structure mechanical lock and flat key, its recognition component is mounted in the lock core, is no less than the pit of two row on key two side planes.Compare with this patent, this patent is just to carry out unlocking action after being enclosed in key in the lockhole, and the otherness of lockset depends on the degree of depth, the position of indented in columnar in lock core and the key.

The present invention just provide a kind of have only key integral body put into lockhole after, just can carry out the mechanical lock of unlocking action behind the sealing keyhole, overcome the defective of above-mentioned lockset; Thereby has high theftproof; Avoided the use of master key, direct sealing keyhole, and also the lockset principle is simple; Manufacturing cost is lower, holds easy for consumers to accept.

Summary of the invention

The invention provides a kind of key-closed mechanical lock; Lockhole exposes in the prior art to solve; The shortcoming that can unblank with master key or other equipment, and the principle of unblanking is simple, is that consumers in general accept easily; Meanwhile reduce manufacturing cost, in financial crisis, can improve the competitiveness of enterprise self.

In order to realize this purpose, the present invention is accomplished by following measure:

The invention provides a kind of key-closed mechanical lock, comprise lock core, lock body, dead bolt, draw back plate and key composition.

Further; Can adopt existing various lock core mechanism on the said lock core principle, be fixed with the stem stem that groove quantity does not wait, the position is different on the lock core, corresponding the quantity and the position of draw-in groove on the key; The groove location of lock core stem stem just in time corresponding dead bolt; Have only fully just meeting the condition of unblanking at once, the only stem stem motion of lock core part, remainder is fixed on the lock body.

Further; The groove location of said stem stem, corresponding indented in columnar on the key has only and when the groove location of stem stem all matches with on the key indented in columnar, could shift the lock core stem stem onto accurately on the position; The groove that the lock core stem stem is gone to the bottom can just in time face toward dead bolt; When dead bolt began to be pushed to groove, baffle plate could just in time be enclosed in key in the lockhole, so the otherness of groove location is just in time determining the otherness each other of lockset.

Further; Be fixed with spring, sliding tray, guide groove on the said lock body, spring one end is fixed on the lock body, and an end is fixed on the lock core; When lockhole is open; The effect that spring can play the lock core playback and eject key, sliding tray just in time can make the lock core stem stem on sliding tray, move back and forth, and guide groove plays the effect of supporting the lock core stem stem.

Further, connecting pull bar in the middle of the said dead bolt, can aboutly move, inwards motion; Can enter in the groove that lock core goes to the bottom, outwards motion can form the blocking of lock, and handle, baffle plate, pull bar are the integral type design; When pull bar moves inwards, promote dead bolt and move inwards, just in time enter in the groove of lock core; And baffle plate sealing keyhole just in time simultaneously is enclosed in key in the lockhole, and handle is as bearing the strong point of the strength of unblanking.

Further, said draw back plate comprises that pull bar, baffle plate, handle form, and handle supports as the strength of unblanking, and baffle plate just in time in the process of unblanking, is closed in key in the lockhole, and the effect of unblanking with locking is played in the just in time about motion of pull bar.

Further, said key does not contain working handle, is the tabular design; Also can show as multiple shape, cassette, cross, pillar etc., the groove that the degree of depth, width differ is contained in the key front side; Just in time corresponding the groove location of lock core stem stem has only position, the degree of depth to satisfy when unblanking condition, could promote lock core and move; The groove that lock core is gone to the bottom faces dead bolt, and just in time be closed in key in the lockhole this moment.

The invention has the beneficial effects as follows:

1) unblanks in the process master key or vibration lockaid gun because of can't putting into lockhole, so can't carry out technology unlocking, thereby have stronger theftproof;

2) because of lock core does not need rotation, can effectively prevent to unblank through the violence that lockhole carries out;

3) because of lock core does not need rotation, sudden and violent leak outdoors have only long and narrow lockhole and one handle, be beneficial to camouflage, thereby improve theftproof performance;

4) simple in structure, be easy to create, high-accuracy relatively lockset has obviously reduced cost;

5) fault rate is low, good reliability, long service life;

6) the antitheft principle is simple, is trusted by the customer easily;

7) change the traditional key structure, alleviated weight.

The invention discloses a kind of key-closed mechanical lock; Through just unblanking behind the sealing key; The creationary possibility of extracting coding of thoroughly having stopped making an experiment property such as so-called master key, unlocking tool; And key does not need rotation in the process of unblanking, and has effectively prevented to unblank through the violence that lockhole carries out.Simultaneously because the raising of this safety factor, need not use high-accuracy, complicated assemblies, make the production efficiency of lock & key improve greatly, cost of production reduces greatly, has improved the competitiveness of enterprise self.

Description of drawings

Fig. 1 is the key partial plan of a kind of key-closed mechanical lock of the present invention;

Fig. 2 is the sectional structure sketch map that sheds key of a kind of key-closed mechanical lock of the present invention.

Among the figure

(1) key (2) stem stem (3) dead bolt (4) baffle plate

(5) pull bar (6) handle (7) lockhole (8) pressing plate

(9) sliding tray (10) spring (11) guide groove (12) lock body

The specific embodiment

Below in conjunction with accompanying drawing, specify the present invention:

See also Fig. 1, be the floor map of key, the front end of key (1) can have three or four; Or many grooves different in size, it is flat-shaped that key is, but its shape can be varied; Can be cassette, chip, criss-cross, pillar etc., do not influence the function of unblanking.The groove of key front end just in time on the position, in the time of can forming the state that fit like a glove with the columnar protrusions on the lock core on the degree of depth; Could lock core be promoted; And could just in time key be closed in the lockhole, if deviation is arranged slightly, the columnar protrusions on not only can not corresponding lock core; Baffle plate can not be enclosed in key in the lockhole fully, also just can not carry out the follow-up behavior of unblanking.Just through with lock core between the different of position of groove each lockset is encoded, decide the otherness between the lockset each other.

See also Fig. 2, it sheds the generalized section behind the key for lockset, and (7) are lockhole; Key (1) just in time can be inserted in the lockhole through (7), and (2) are lock core, is covered with pressing plate (8) above the lock core stem stem (2); In the process of spring (10) extruding or ejection; All the time can keep the normal position of lock core stem stem (2), be unlikely to squint, can satisfy depression on the bottom surface just in time corresponding dead bolt (3).(3) be dead bolt, dead bolt can about move, and when moving inwards, dead bolt (3) can enter in the depression of lock core (2) bottom surface, and outwards motion can be stretched out dead bolt, just in time can form blocking.(5) be pull bar, (4) are baffle plate, and (6) are handle; The three forms an integral body, and in the process of motion, handle (6) is as the strong point of the strength of unblanking; After key (1) inserts lockhole (7), could with lock core (2) shift onto with the corresponding position of dead bolt (3) on, mention handle (6) this moment; Then baffle plate (4) is just with lockhole (7) sealing, and dead bolt just can enter in the depression that lock core goes to the bottom, and has formed unlocking condition.(9) be sliding tray, supply the lock core slide block to move, (11) are guide groove, are the dead bolt guiding, and (12) are lock body, form the shell of lockset.

Below adopt instance to specify operating principle of the present invention:

Embodiment one:

When locking out in blocking; In the time of need unblanking; Earlier key (1) is inserted along lockhole (7), when corresponding, key could promote lock core and travel forward between the recognition component on width and the degree of depth of having only groove on the key and the lock core; When also only fitting like a glove, could form key and be closed in the state in the lockhole.Holding handle (6) then upwards mentions; Then baffle plate (4) just along on the direction carried promote; Just in time lockhole (7) is sealed up, as continue to go up handle (6), then pull bar (5) is just pushed dead bolt (3) in the groove of lock core stem stem (2) bottom surface to; Then the outboard end of dead bolt (3) is drawn back, and has formed opening.

Embodiment two:

When lock is in opening; In the time of need closing, at first hold handle (6) and move downward, dead bolt (3) has just left the groove of lock core stem stem (2) bottom surface; Dead bolt (3) other end enters in the depression of wall or doorframe simultaneously; Then spring this moment (10) just rebounds lock core stem stem (2), simultaneously key (1) is ejected lockhole (7), has just accomplished the closed condition of lock.If dead bolt (3) does not leave the depression of lock core stem stem (2) bottom surface, key (1) then can not ejected.

Embodiment three:

If key and the lock core not putting into key (1) or put into do not match; Under this state, directly hold handle (6), move upward, because dead bolt (3) can not enter into the depression of lock core stem stem (2) bottom surface; Then lockset just can not be opened, and can't accomplish unlocking condition.And lockhole this moment (7) has been closed, so can not put into any unlocking tool, carries out technology unlocking.If put into unlocking tool earlier, this moment can not close obturator hernia (7), baffle plate (4) can not on move, just can't realize that also dead bolt (3) enters in the groove of lock core stem stem (2) bottom surface, can't realize the operation of unblanking.

More than disclosedly be merely several specific embodiment of the present invention, but the present invention is not limited thereto, any those skilled in the art can think variation, all should drop in protection scope of the present invention.

Claims

1. a key-closed mechanical lock comprises lock core, lock body, dead bolt, draw back plate and key, it is characterized in that, in the process that lock is opened, has only and just can carry out unlocking action after being closed in key in the lockhole; Key does not contain working handle, the shape of key draw-in groove and quantity, corresponding the shape and the quantity of lock core stem stem; Simultaneously, draw back plate comprises pull bar, baffle plate, handle, and handle supports as the strength of unblanking; Baffle plate just in time in the process of unblanking, is closed in key in the lockhole, and pull bar is through about motion; Directly or indirectly promote dead bolt by pull bar, play the effect of unblanking with locking, form the state of opening or closing locking.

2. key-closed mechanical lock as claimed in claim 1; It is characterized in that; Said lock core adopts slide block mechanism, the mechanical cipher latch mechanism of cylinder of spring lock, blade lock pin or band groove; Have only when the shape of lock core stem stem is corresponding with quantity with the shape of quantity and key draw-in groove, just can unblank.

3. key-closed mechanical lock as claimed in claim 1 is characterized in that, the shape of key draw-in groove and quantity, and corresponding the shape and the quantity of lock core stem stem is determining the otherness of lockset.

4. key-closed mechanical lock as claimed in claim 1 is characterized in that, is fixed with spring, sliding tray, guide groove on the said lock body.

5. key-closed mechanical lock as claimed in claim 4 is characterized in that, said spring one end is fixed on the lock body, and an end connects lock core, can effectively eject key.

6. key-closed mechanical lock as claimed in claim 1 is characterized in that, the middle pull bar that connecting of said dead bolt can aboutly move, and motion can enter in the depression of lock core bottom surface inwards, outwards moves, and can form the blocking of lock.

7. key-closed mechanical lock as claimed in claim 1; It is characterized in that said key does not contain working handle, baffle plate is closed in key in the lockhole in the process of unblanking; Pull bar makes the about motion of dead bolt; Play the effect of unblanking with locking, have only key integral body is put into lockhole, just can carry out unlocking action behind the sealing keyhole.