CN1143939C

CN1143939C - Combined mechanoelectric lock

Info

Publication number: CN1143939C
Application number: CNB021108137A
Authority: CN
Inventors: 胡小良
Original assignee: Ningbo Yongfa Group Co Ltd
Current assignee: Ningbo Yongfa Group Co Ltd
Priority date: 2002-02-07
Filing date: 2002-02-07
Publication date: 2004-03-31
Anticipated expiration: 2022-02-07
Also published as: CN1363753A

Abstract

The present invention relates to a mechanical and electronic combined lock which comprises a bottom plate, a mechanical lock arranged on the bottom plate, an electronic lock and a lock bolt plate, wherein the lock bolt plate can extend and retract in a horizontal direction and is respectively spaced by actuating mechanisms of the mechanical lock and the electronic lock. The actuating mechanism of the electronic lock comprises a main electromagnet vertically arranged and an armature reset outwards. The present invention is characterized in that the tail position corresponding to the armature is also provided with an auxiliary electromagnet transversely arranged, and the end surface of a coil is provided with a magnetism conducting baffle sheet. One end of the baffle sheet is pulled by a pull spring arranged on a support frame of the auxiliary electromagnet, so when the auxiliary electromagnet is not energized, the other end is tilted and exactly corresponds to the tail of the armature. Compared with the prior art, the present invention executes the armature of the electromagnet, which can not move because the tail is supported by the baffle sheet in the state that the electronic lock is not unlocked to effectively avoid abnormal unlocking. Simultaneously when an accumulation locking mechanism arranged on the mechanical lock is in the state that the lock core is knocked off, the lock bolt plate can be automatically locked, so safe and theftproof performances of the present invention can be greatly improved.

Description

A kind of combined mechanoelectric lock

Technical field

The present invention relates to a kind ofly depositing the lockset that uses on the strongbox of valuables, safety cabinet or the national treasury door, particularly a kind of compound safety lock that has mechanical lock and electronic lock concurrently.

Background technology

The existing lockset that is used for strongbox, safety cabinet or national treasury door generally is divided into mechanical lock and electronic lock two big classes, is a kind of more satisfactory combination and adopt mechanical lock and electronic lock simultaneously, and latch board can be spacing by the executing agency of mechanical lock, electronic lock respectively; Usually, wherein the execution unit of electronic lock is an electromagnet and reducible armature thereof, under the electromagnet power failure state, its armature or insert or embed latch board in the groove that corresponding site is provided with the lock pin of this armature interlock, make this latch board spacing, have only after confirmation such as the password of electronic lock or fingerprint, the electromagnet energising, its armature is inhaled, thereby remove locking to latch board, at this moment, can drive with key operated mechanical lock and to contract in the latch board and unblank, be design scheme 87210847.3 " mechano-electronic dual fail-safe coded lock " just provides as the patent No..Simultaneously, can't normally open because of non-transformer or fault for preventing electronic lock, generally also door is provided with a mechanical emergent lock, its locking bar directly armature of drive magnet moves to inhaling moving direction, as the patent No. is technical scheme disclosing in 99215170.8 " electronic cipher anti-theft alarm door ", and in this patent, mechanical lock is just in time opposite with the interlocked relationship of electronic lock, promptly must open mechanical lock, unlocking electronic lock more earlier.Yet, just because of electromagnet armature is mobilizable, it is inhaled by electromagnet and moves under normal operating condition, under abnormal condition, also may in modes such as clashing into, beat it be moved to inhaling moving direction because of inertia by the robber, the electronic lock part have just performed practically no function like this.

On the other hand, for mechanical lock, generally by the locking bar or the lock pin that will link to each other with locking bar are inserted the restriction that realizes in the corresponding spacing hole of latch board latch board, and it is flexible also to drive latch board thus.Yet in actual use, take off if its lock core violence nature ground inwardly struck, then the continuous lock pin of its locking bar or locking bar will break away from latch board, thereby remove restriction to latch board, mechanical lock is performed practically no function, this moment as the unlatching executing agency that just can open electronic lock again by the lock core hole that has exposed with instruments such as iron wires easily.

Summary of the invention

Technical problem to be solved by this invention be provide at above-mentioned prior art present situation a kind of can't be with the combined mechanoelectric lock of improper ground of mode unlocking electronic locks such as clashing into, beat.

Another technical problem to be solved by this invention provides that a kind of lock core when mechanical lock struck can automatically that latch board is locked combined mechanoelectric lock when taking off.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: combined mechanoelectric lock comprises bottom-locking plate and mechanical lock on it is set, electronic lock and latch board, wherein latch board can be made the flexible of horizontal direction, and can be respectively by mechanical lock, the executing agency of electronic lock is spacing, wherein the executing agency of electronic lock comprises a vertical main electromagnet that is provided with and the armature that can outwards reset thereof, it is characterized in that the tail position at the described armature of correspondence also is provided with the secondary electromagnet of another horizontally set, its coil end face is provided with a magnetic conduction catch, one end of catch is held by an extension spring that is arranged on this pair electromagnet stent, make the perk when secondary electromagnet is not switched on of its other end, and just in time the afterbody with described armature is relative.

Described main electromagnet and secondary magnet spool should be the control of synchronous break-make, perhaps, when opening and closing lock, described secondary magnet spool than the coil of main electromagnet early switch on, late outage.

Described electronic lock is can be directly overhanging and insert in the spacing hole corresponding on the latch board and realize by the armature of main electromagnet to latch board spacing, and the overhanging of armature can provide power by being enclosed within its outer back-moving spring; Described mechanical lock can be realized by its spacing hole of carrying out correspondence on the lock pin insertion latch board of locking on the plectrum the spacing of latch board;

Described combined mechanoelectric lock also can include a mechanical emergent lock, at the terminal coaxial two vertical drive links that are provided with that are hinged with of the execution lock plectrum of its horizontally set, wherein a drive link is bending, and its terminal bayonet socket is stuck on the armature afterbody of main electromagnet, the end of another root drive link has an oblique angle and offsets with the spacer pin end of a horizontally set, this spacer pin is by a U type stent support and can it moves horizontally relatively, and its other end then catch with described secondary electromagnet is relative;

Can be provided with the locking mechanism that saves up strength on the described latch board, comprise:

The one vertical push rod that is provided with, by supporting and can vertically move relative to its work with lead that base plate is fixed with one, and the arc end side of plectrum is locked in the execution that withstands on mechanical lock of one end;

One horizontally set and the pin that is fixed with one with described push rod;

One is connected in the spring base on the latch board, and spring base is cartridge type, and it is provided with a capping away from the base plate end, and has can hold with described pin at sidepiece and embed groove in it;

Be provided with a cylindricality bayonet lock in the described spring base, and being provided with a spring that is the state of saving up strength away from the base plate end and offseting at bayonet lock with it, the other end of spring then is against in the capping of spring base, and under normal condition, the contiguous base plate end of this bayonet lock is against from side and embeds on the pin of spring base;

And a torsion spring that is arranged on the latch board, the one end withstands on described pin, the push rod, forces the execution lock plectrum of described push rod and mechanical lock to keep the state on top mutually, and makes described pin have trend away from described spring base;

And described latch board has at the re-entrant portion of the described spring base of correspondence can hold the through hole that described bayonet lock passes through, and base plate also has at corresponding position and can hold the hole that described bayonet lock penetrates.

Compared with prior art, the present invention is under the state that electronic lock is not opened, and it is not movable because of afterbody is pushed up by catch that it carries out electromagnet armature, thereby prevented unnormal unlocking effectively; In case and the lock core of mechanical lock is struck and is taken off, pin, the push rod of locking mechanism of saving up strength moves to the direction away from spring base under the effect of torsion spring, so bayonet lock just under the effect of spring, passes spring base, and it is be stuck between latch board, the base plate, thereby latch board is locked.So safe antitheft performance of the present invention improves greatly.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention under blocking (from the inboard of door outwards).

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the B-B sectional view (amplification) of Fig. 1.

Fig. 4 is that the lock core of mechanical lock is struck the B-B sectional view (amplification) after taking off.

Fig. 5 is the structural representation of inventive embodiments when normally unblanking (from the inboard of door outwards).

Fig. 6 is the structural representation of inventive embodiments when emergent unlocking (from the inboard of door outwards).

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

As Fig. 1～shown in Figure 6, combined mechanoelectric lock in the embodiment of the invention comprises base plate 1 and the flexible latch board 2 of horizontal direction of doing disposed thereon, and the level of latch board 2 is flexible also to be that opening with locking by being arranged at the mechanical lock on the base plate 1 and the action of electronic lock of safety lock finished jointly.

As Fig. 1, Fig. 5, shown in Figure 6, mechanical lock has a lock core 3, intrinsic one carries out lock plectrum 4 on it, the lower surface of this execution lock plectrum 4 is circular-arc 5, the upper end is fixed with a vertical lock pin 6, this lock pin 6 is inserted in the strip spacing hole 7 on the latch board 2, referring to Fig. 2, when mechanical lock is in the lock state, 6 pairs of latch boards 2 of this lock pin play spacing stuck effect, and mechanical lock is done and is opened or during closing motion, it is flexible that this lock pin 6 will drive latch board 2 along continuous straight runs by carrying out 4 rotations of lock plectrum to drive;

Below the execution lock plectrum 4 of mechanical lock, be provided with the locking mechanism that saves up strength, comprise executions that the upper end withstands on mechanical lock lock on the circular arc end face 5 of plectrum 4 push rod 8 be connected in latch board 2 on vertical cartridge type spring base 9, have two bar holes 10 on the push rod 8, two bolts 11 pass this two bar hole 10 push rod 8 are installed on two leads 12 that are connected with base plate 1, referring to Fig. 2, the lower surface of push rod 8 is welded with a pin 13 vertical with push rod 8, the kink of pin 13 is offseted by an end of torsion spring 14, thereby on the circular arc end face 5 of carrying out lock plectrum 4 and be in the state of saving up strength, the other end of torsion spring 14 is then spacing on a bumping post 15 that is connected with latch board 2 (this bumping post 15 is a screw in the present embodiment) with push rod 8 contacts; As shown in Figure 3, cartridge type spring base 9 hollows, it is bolted with a plug screw as capping 16 away from the base plate end, and can hold the side channel 32 that described lever 13 embeds in it having one near the sidepiece of base plate end, be placed with a cylindricality bayonet lock 33 in the spring base 9, and between itself and capping 16, be provided with one and be in the save up strength spring 34 of state of compression; Simultaneously, latch board 2 has at the re-entrant portion of the described spring base 9 of correspondence can hold the through hole 35 that described bayonet lock 33 passes through, and base plate 1 also has at corresponding position and can hold the hole 36 that described bayonet lock 33 penetrates; Under normal condition, the bayonet lock 33 of spring base 9 is being against under spring 34 effects on the lever 13 that embeds from spring base 9 side channels 32, referring to Fig. 3.

Electronic lock partly has a main electromagnet 17, but its hub of a spool is equipped with the flexible armature 18 of an in the vertical direction, and its anterior card has a spring stop piece 19, and is with a back-moving spring 20 between the end face of spring stop piece 19 and main electromagnet 17; Latch board 2 then is fixed with a side plate 21 perpendicular to latch board 2 at the position of the described main electromagnet 17 of correspondence, this side plate 21 has a spacing hole 22 in the position of corresponding armature 18; Under normal blocking, when main electromagnet 17 outages, armature 18 is overhanging under the effect of its back-moving spring 20, in the spacing hole 22 of the perpendicular side plate 21 of insertion latch board 2, thus latch board 2 is locked;

Also be provided with the secondary electromagnet 23 of another horizontally set at the tail position of described armature 18, its coil end face is provided with the catch 24 of a magnetic conductive material, one end of catch 24 is held by an extension spring 25 that is arranged on these pair electromagnet 23 supports, make the perk when secondary electromagnet 23 is not switched on of its other end, and just in time relative with described armature 18 afterbodys; Above-mentioned main electromagnet 17, the coil of secondary electromagnet 23 are synchronous break-make control.

Present embodiment also includes a mechanical emergent lock, the execution lock plectrum 26 terminal coaxial two

vertical drive links

27,29 that are provided with that are hinged with at its horizontally set, wherein drive link 27 is bending, and its terminal bayonet socket 28 is stuck on armature 18 afterbodys of main electromagnet 17, the end of drive link 29 has an oblique angle 29a and offsets with spacer pin 30 ends of a horizontally set, this spacer pin 30 is supported by a U type support 31 and can it moves horizontally relatively, and its other end then catch 24 with described secondary electromagnet 23 is relative.

When present embodiment is in locking states, armature 18 is inserted in the spacing hole 22 of perpendicular side plate 21 of latch board 2, its afterbody is then withstood by the catch 24 of secondary electromagnet 23, therefore the robber such as takes to clash into, beat in any case at improper mode, the armature 18 of main electromagnet 17 can not bounce back yet, all the time latch board 2 is locked, thus its theftproof performance improved.When unblanking, remove its spacing to the armature 18 of main electromagnet 17 owing to catch 24 is subjected to the sucking action of secondary electromagnet 23, thereby can as usually open, referring to Fig. 5 (mechanical lock part is opened as yet).

When 3 rounds violence nature ground of lock core of present embodiment mechanical lock inwardly strike take off after, the push rod 8 that is in the state of saving up strength promptly under torsion spring 14 effects to lock core 3 direction translations, driving pin 13 shifts out in the groove 32 of spring base 9 sides, at this moment, bayonet lock 33 promptly passes spring base 9 under compression saves up strength spring 34 effect of state, passes through hole 35 on the lock bolt plate 2 and the hole 36 on the base plate 1, be against on strongbox door-plate 37 inwalls, latch board 2 and base plate 1 are fixed, thus latch board 2 is locked, referring to Fig. 4.

As shown in Figure 6, when electronic lock can't normally be opened because of non-transformer or fault, can enable emergent lock, the execution lock plectrum 26 of its horizontally set promptly drives two

drive links

27,29 and moves simultaneously, wherein drive link 29 pushes spacer pin 30 reaches of horizontally set, thereby the catch 24 of secondary electromagnet 23 fronts is backed down, make its cancellation spacing to the armature 18 of main electromagnet 17; Meanwhile, another bending drive link pulls down the armature 18 of main electromagnet 17, makes its front end withdraw from the spacing hole 22 of the perpendicular side plate 21 of latch board 2, thereby removes the locking to latch board 2, at this moment, only needs to open mechanical lock, can unblank.

Claims

1, a kind of combined mechanoelectric lock, comprise base plate and mechanical lock on it is set, electronic lock and latch board, wherein latch board can be made the flexible of horizontal direction, and can be respectively by mechanical lock, the executing agency of electronic lock is spacing, wherein the executing agency of electronic lock comprises a vertical main electromagnet that is provided with and the armature that can outwards reset thereof, it is characterized in that the tail position at the described armature of correspondence also is provided with the secondary electromagnet of another horizontally set, its coil end face is provided with a magnetic conduction catch, one end of catch is held by an extension spring that is arranged on this pair electromagnet stent, make the perk when secondary electromagnet is not switched on of its other end, and just in time the afterbody with described armature is relative.

2, combined mechanoelectric lock according to claim 1 is characterized in that described main electromagnet and secondary magnet spool are synchronous break-make control.

3, combined mechanoelectric lock according to claim 1 is characterized in that when opening and closing lock, described secondary magnet spool than the coil of main electromagnet early switch on, late outage.

4, combined mechanoelectric lock according to claim 1 is characterized in that described electronic lock is overhanging and insert in the spacing hole corresponding on the latch board and realize to the spacing armature by main electromagnet of latch board.

5, combined mechanoelectric lock according to claim 4, it is characterized in that described armature is with a back-moving spring outward, one end of spring withstands on the end turn of main electromagnet, and the other end withstands on the catch that is fixed on the armature front end, and armature is kept to overhanging trend.

6, combined mechanoelectric lock according to claim 1 is characterized in that described mechanical lock carries out lock pin on lock plectrum to latch board spacing by it and insert spacing hole corresponding on the latch board and realize.

7, according to the described combined mechanoelectric lock of arbitrary claim in the claim 1 to 6, it is characterized in that described combined mechanoelectric lock also can include a mechanical emergent lock, at the terminal coaxial two vertical drive links that are provided with that are hinged with of the execution lock plectrum of its horizontally set, wherein a drive link is bending, and its terminal bayonet socket is stuck on the armature afterbody of main electromagnet, the end of another root drive link has an oblique angle and offsets with the spacer pin end of a horizontally set, this spacer pin is by a U type stent support and can it moves horizontally relatively, and its other end then catch with described secondary electromagnet is relative.

8, according to the described combined mechanoelectric lock of arbitrary claim in the claim 1 to 6, it is characterized in that can being provided with on the described latch board locking mechanism that saves up strength, comprising:

One is connected in the spring base on the latch board, and spring base is simple type, and it is provided with a capping away from the base plate end, and has can hold with described pin at sidepiece and embed groove in it;

9, combined mechanoelectric lock according to claim 7 is characterized in that can being provided with on the described latch board locking mechanism that saves up strength, and comprising: