A kind of theft-preventing mechanical lock
Technical field
The present invention relates to a kind of lockset, especially a kind of theft-preventing mechanical lock.
Background technology
Mechanical lock is a kind of common anti-theft tool, and traditional mechanical lock mainly includes lock core sleeve, the device of hollow form
Lock core rotor in lock core sleeve and the lock core marble being installed on respectively in the storage tank of lock core sleeve and lock core rotor, unlock
When lock core marble pushed away by block resistance position by the key of matching, then rotate key lock core rotor driven to stir lock tongue realization and open
Lock.
Traditional mechanical lock is since lock tongue is directly driven by lock core rotor, as long as rotation lock core rotor achieves that unlocking,
And lock core rotor is readily available skeleton key stirs lock core marble all lock core marbles is made to pushed away from block resistance position in moment
It sets and realizes unlocking, or lock core marble is twisted off using specific purpose tools such as screwdrivers, forced rotating lock core rotor, which is realized, unlocks, safety
Property is relatively low.
In view of this, the applicant conducts in-depth research the structure of mechanical lock, there is this case generation then.
Invention content
The purpose of the present invention is to provide a kind of theft-preventing mechanical locks that safety is relatively high.
To achieve the goals above, the present invention adopts the following technical scheme that:
A kind of theft-preventing mechanical lock, including lock tongue, lock core and key, the lock core includes core ontology, same with the core ontology
The core cap of axis arrangement and the connection component for being sequentially connected or disconnecting the core ontology and the core cap, the core cap and institute
State lock tongue drive connection, offer the lock road for interting the key on the core ontology, the length direction in the lock road with
The length direction of the core ontology is identical, and the Mechanical course for limiting the connection component movement is provided on the core ontology
One end of component, the core ontology towards the core cap offers locked groove, and one end of the core cap towards the core ontology opens up
There is a card slot, the key has key bar, is provided with tartar on the key bar, and when unlocking, the key was interspersed in the lock road
Interior, the tartar contacts the limit for making the Mechanical course module cancels on the Mechanical course component to the connection component
System;
The top flat and one end that the connection component includes the chip being interspersed in the locked groove, is interspersed in the card slot support
Withstand on the first spring on the core cap, the other end of first spring supports one far from the core ontology in the top flat
On end, length of the chip on the groove depth direction of the locked groove is less than the groove depth of the locked groove, and the top flat is same after unlocking
When be interspersed in the locked groove and the card slot, the end face of one end towards the core cap of when locking chip and the core sheet
The end face of body is concordant.
As an improvement of the present invention, first spring is volute spring.
As an improvement of the present invention, the both sides of the width direction of the chip open up fluted respectively, the core sheet
More than one tooth socket is arranged on body, the tooth socket is mutually perpendicular to and is interconnected with the lock road, the Mechanical course group
Part includes quantity hoodle identical with the tooth socket, and the hoodle is slidably connected in the corresponding tooth socket, the hoodle packet
Include second spring and the first bead and the second bead that one end is mutually supported, the both ends of the second spring are supported respectively in institute
It states on one end that the first bead and second bead are not supported mutually, first bead and second bead are mutually supported
One end be all located at position corresponding with the lock road, and first bead and second bead with lock road phase
The lock tooth coordinated with the tartar, the pre-determined bit of first bead and second bead are offered at corresponding position respectively
It sets and offers chip slot respectively, first bead and second bead are respectively interposed in the corresponding groove, open
The chip is interspersed in the chip slot after lock.
As an improvement of the present invention, the chip slot is V-shaped groove.
As an improvement of the present invention, the one end of the core ontology far from the core cap is offered is connected to the locked groove
Endoporus, be rotatably connected to stop flange on the endoporus, one end of the stop flange towards the chip, which offers, to be allowed
Position slot, the cross section of the recessing groove is trapezoidal, and when unlocking, the chip was interspersed in the recessing groove and the locked groove simultaneously,
The chip is supported on the end face of the stop flange when locking.
As an improvement of the present invention, it offers on the core ontology and to be connected to respectively with the lock road and the endoporus
Pin hole, the stop flange have flat reset portion, and the axis of the stop flange is mutually perpendicular to the pin hole, described
Mechanical course component further includes return pin and third spring, and the return pin is slidably connected in the pin hole, the third bullet
One end of spring is supported on the one end of the return pin far from the lock road, and the other end is directly or indirectly supported in the core ontology
On, offer the reseting groove coordinated with the reset portion in the return pin, when unlocking, the return pin was far from the third bullet
One end of spring is supported on the key bar, and the reset portion is interspersed in the reseting groove, and the return pin is remote when locking
One end from the third spring is located in the lock road, and the reset portion abuts against on the side wall of the return pin.
As an improvement of the present invention, the lock core further includes shell and the sleeve that is set on the core ontology, institute
Core ontology and sleeve interference fit are stated, the sleeve, the core ontology and the core cap are all located in the shell.
Above-mentioned technical proposal is used, the invention has the advantages that:
1, by the way that connection component is arranged, be sequentially connected or disconnected using the top flat on connection component core ontology and core cap it
Between connection, even if utilize the specific purpose tools such as screwdriver destroy Mechanical course component, it is also difficult to pass through core ontology drive core cap turn
It is dynamic, it is also just difficult to violence unlocking, safety is relatively high.
The end face of chip towards one end of core cap is concordant with the end face of core ontology when 2, due to locking, and core ontology can when locking
It is rotated relative to core cap, when carrying out technology unlatching using skeleton key, since core ontology can rotate, that is to say idle running, master key
Spoon is difficult to accurately effectively prevent the skilled unlocking of skeleton key, safety relatively high code by point without testing.
3, the hoodle in tooth socket is slidably connected at by setting, and tooth socket not easily passs through screwdriver around being located on core ontology
Equal specific purpose tools twist off by force, further increase the safety of mechanical lock.
Description of the drawings
Fig. 1 is the cutting structural schematic diagram of theft-preventing mechanical lock of the present invention, clipped parts in figure;
Fig. 2 is the structural schematic diagram after theft-preventing mechanical lock clipped parts of the present invention;
Fig. 3 is the decomposition texture schematic diagram of theft-preventing mechanical lock of the present invention, clipped parts in figure;
The first structural schematic diagram of Fig. 4 between stop flange of the present invention, return pin and chip.
It is as follows that correspondence is indicated in figure:
10- shells;11- procapsids;
12- back casings;20- lock cores;
21- core ontologies;22- core caps;
23- sleeves;24- locks road;
25- locked grooves;26- card slots;
27- pin holes;
29- tooth sockets;30- keys;
31- key bars;The grip parts 32-;
33- tartars;40- connection components;
41- chips;42- top flats;
The first springs of 43-;44- boss;
45- grooves;54- stop flanges;
55- recessing grooves;
57- reset portions;58- return pins;
59- reseting grooves;60- Mechanical course components;
61- hoodles;The first beads of 62-;
The second beads of 63-;64- locks tooth;
65- chip slots.
Specific implementation mode
The present invention is described further in the following with reference to the drawings and specific embodiments.
As Figure 1-Figure 4, theft-preventing mechanical lock provided in this embodiment, including shell 10, lock tongue (not shown), lock
Core 20 and key 30, wherein lock tongue are the lock tongue of conventional lockset, and and will not be described here in detail.
Shell 10 connects back casing 12 on the front casing 11, procapsid 11 and back casing 12 with spiral including procapsid 11
All it is sleeve-shaped rotary structure.
Lock core 20 is limited in the shell 10, including core ontology 21, with the coaxially arranged core cap 22 of core ontology 21 and
Connection component 40 for being sequentially connected or disconnecting core ontology 21 and core cap 22, wherein core cap 22 is sequentially connected with lock tongue, is used for
It drives lock tongue to execute locking or unlocking action, sleeve 23 is arranged on core ontology 21, core ontology 21 and sleeve 23 are interference fitted.
That is, sleeve 23, core ontology 21 and core cap 22 are all located in shell 10, and sleeve 23 and core cap 22 rotatably connect with shell 10 respectively
It connects.
The lock road 24 for interting key 30 is offered on core ontology 21, locks the length of the length direction and core ontology 21 in road 24
Degree direction is identical, specifically, the lock road 24 is a groove on core ontology 21 of unlocking, one end and the outside of the groove connect
It is logical, it is used for the insertion of key 30, the other end is located on core ontology 21, after sleeve 23 is set in core ontology 21, lock road 24 and set
Lockhole is collectively formed between the madial wall of cylinder 23.It is moved in addition, being provided in core ontology 21 and being respectively used to limitation connection component 40
Mechanical course component 60, one end of core ontology 21 towards core cap 22 offers locked groove 25, core cap 22 towards core ontology 21 one
End offers card slot 26, and the groove width of two slots is preferably consistent.
The grip part 32 that key 30 has key bar 31 and is fixedly connected on 31 one end of key bar, the shaft of key bar 31
Two side positions respectively on be provided with tartar 33.
Connection component 40 includes that the chip 41 being interspersed in locked groove 25, the top flat 42 being interspersed in card slot 26 and one end are supported
The other end of the first spring 43 on core cap 22, the first spring 43 is supported on the one end of top flat 42 far from core ontology 41, the
One spring 43 is in confined state, and such first spring 43 can apply one towards 21 direction of core ontology to top flat 42 in real time
Active force.In addition, the first spring 43 is preferably volute spring, length of the chip 41 in the groove depth direction of locked groove 25 is less than locked groove 25
Groove depth, can ensure that chip 41 can be slided in the depth direction of locked groove 25 in this way.
In the initial state, theft-preventing mechanical lock is under blocking, chip 41 towards one end of core cap 22 end face with
The end face of core ontology 21 is concordant, and top flat 42 is supported under the action of the first spring 43 in core ontology 21 towards one end of core ontology 21
End face or chip 41 end face on, the connection between core ontology 21 and core cap 22 at this time be connected component 40 disconnect, core ontology
21 can rotate relative to core cap 22, meanwhile, Mechanical course component 60 limits movement namely the Mechanical course group of connection component 40
Part 60 limits the movement of chip 41 so that chip 41 cannot the sliding in locked groove 25.
When unlocking, the key bar 31 of key 30 is interspersed in lock road 24, and tartar 33 is contacted to be made on Mechanical course component 60
Limitation of the releasing of Mechanical course component 60 to connection component 40 is obtained, key 30 is rather then moved by hand drives core ontology 21 to rotate,
When the moment for turning to locked groove 25 and card slot 26 and being generally aligned in the same plane, top flat 42 is supported on the end face of chip 41, and top flat 42
Chip 41 is pushed to be moved toward direction of the locked groove 25 far from core cap 22 under the action of the first spring 43 so that top flat 42 interts simultaneously
In locked groove 25 and card slot 26, so that core ontology 21 can drive core cap 22 to rotate, realizes and unlock.It should be noted that
Sliding distance of the chip 41 in locked groove 25 can determine according to actual needs, but after being necessary to ensure that top flat 42 pushes chip 41,
Top flat 42 can be simultaneously interspersed in locked groove 25 and card slot 26, and then ensure that core cap 22 can be rotated together with core ontology 21.In addition,
When the key 30 for having used mistake, when Mechanical course component 60 does not release the limitation to the chip 41 on connection component 40, key
30 can only drive core ontology 21 to be rotated relative to lock nut 22, and the idle running of core ontology 21 at this time can be prevented in this way without that can drive lock nut 22
Only key is twisted into two parts, and is also possible to prevent theft-preventing mechanical lock and is opened by skeleton key technology.
Preferably, in the present embodiment, one end of core cap 22 towards core ontology 21 offers stepped hole, and the first spring 43 supports
Withstand on the bottom of stepped hole;One end of core ontology 21 towards core cap 22 is provided with the pillar being interspersed in the stepped hole, on pillar
It is arranged with wear-resistant pad (not shown), the both sides of chip 41 offer the notch for avoiding wear-resistant pad respectively.It helps in this way
Abrasion core cap 22 or core ontology 21 when avoiding core cap 22 and core ontology 21 relatively rotates.
Mechanical course component 60 can be the conventional control assembly structure for mechanical lock, as in traditional technology commonly
In-line arrangement lock core marble structure etc..Preferably, in the present embodiment, the both sides of the width direction of chip 41 open up fluted respectively
45, more than one tooth socket 29 is arranged on core ontology 21, and the quantity of the groove 45 of 41 both sides of chip is identical, and is located at chip 41
The quantity of the groove 4 of the same side is identical as the quantity of tooth socket 29.Tooth socket 29 is mutually perpendicular to and is interconnected with lock road 24, machinery control
Component 60 processed includes identical with tooth socket 29 hoodle of quantity 61.It should be noted that the quantity of tooth socket 29 can be according to practical need
It was determined that being illustrated there are two for by tooth socket 29 in the present embodiment.
Each hoodle 61 is slidably connected at respectively in corresponding tooth socket 29, hoodle 61 include second spring (not shown) with
And the first bead 62 and the second bead 63 that one end is mutually supported, the both ends of second spring are supported respectively in the first bead 62 and
On one end that two beads 63 are not supported mutually.One end that first bead 62 and the second bead 63 are mutually supported be all located at tooth socket 29 with
It locks at 24 corresponding position of road, and the first bead 61 and the second bead 62 open up respectively at position corresponding with lock road 24
There is the lock tooth 64 coordinated with tartar 33.Chip slot 65 is offered respectively on the precalculated position of first bead 62 and the second bead 63,
Chip slot 65 is preferably V-shaped groove.In addition, the first bead 62 or the second bead 63 are respectively interposed in corresponding groove 45.
In the initial state, that is, when being latched, the first bead 62 or the second bead 63 are interspersed in the position in corresponding groove 45
It is set to the position for not offering chip slot 65;When unlocking, the tartar 33 on key bar 31 is supported on corresponding lock tooth 64, is passed through
It locks tooth 64 and pushes the sliding in tooth socket 29 of the first bead 62 and the second bead 63 so that the first bead 62 and the second bead 63 are mutually
The one end supported is separated from each other, while compressing second spring, and the chip slot 65 in the first bead 62 and the second bead 63 all moves
To at position corresponding with chip 54, intert under the promotion of top flat 42 in each chip slot 65 in this way, chip 41 is understood, i.e. code
Piece 41 is interspersed in chip slot 65;When key 30 is pulled out, lock tooth 64 loses supporting for tartar 33, in the effect of second spring
Lower reset, chip slot 65 also move therewith so that chip 41 is along the V-shaped groove side wall of chip slot 65 from the V-shaped groove of chip slot 65
Side wall skids off, it is ensured that the reset of chip 41.
Preferably, in the present embodiment, the one end of core ontology 21 far from core cap 22 offers the endoporus being connected to locked groove 25,
Stop flange 54 is rotatably connected on the endoporus, chip 41 is between stop flange 54 and top flat 42,54 court of stop flange
Recessing groove 55 is offered to one end of chip 41, the cross section of the recessing groove 55 is trapezoidal.In the initial state, that is, when being latched,
Chip 41 is supported on the end face of stop flange 54, and recessing groove 5 and chip 41 are mutually perpendicular to;When unlocking, fiber flange 54 rotates
90 °, so that recessing groove 55 and chip 41 are in the same plane, chip 41 is no longer supported in the end face of stop flange 54
On, and can intert under the promotion of top flat 42 in recessing groove 55, at this point, chip 41 is interspersed in recessing groove 55 and locked groove 25 simultaneously
It is interior.Certainly, it needs to be connected with the transmission mechanism (not shown) for driving stop flange 54 to rotate on stop flange 54, it should
Transmission mechanism can be set according to actual needs, and an one end is such as arranged and is fixed on stop flange 4, the other end is fixed on core sheet
Brace and connecting rod framework etc. is for another example arranged in torsional spring on body 21 between stop flange 54 and the return pin hereafter referred to 58, this
Place is no longer described in detail.
In addition, offering the pin hole 27 being connected to lock road 24 on core ontology 21, stop flange 54 has flat reset
Portion 57, and the axis of stop flange 54 is mutually perpendicular to pin hole 27, Mechanical course component 60 further includes return pin 58 and third bullet
Spring (not shown), return pin 58 are slidably connected in pin hole 27, and one end of third spring is supported in return pin 58 far from lock
On the one end in road 24, the other end is directly or indirectly supported on core ontology 21, and in the present embodiment, third spring is by supporting
It is supported indirectly on core ontology 21 on the medial surface of sleeve 23, in this way, third spring can apply one towards lock to return pin 58
The pressure in 24 direction of road.
The reseting groove 59 coordinated with reset portion 57 is offered in return pin 58, in the initial state, that is, when being latched, return pin
28 one end far from third spring are located in lock road 24, and reset portion 57 abuts against on the side wall of return pin 58, limit stop flange
54 rotation;When unlocking, after key bar 31 is interspersed in lock road 24, key bar 31 can be by return pin 58 toward the direction of third spring
Push, the one end of return pin 58 far from third spring supports on key bar 31, reseting groove 59 with return pin 58 move to
At 54 corresponding position of stop flange so that reset portion 57 is no longer abut against on the side wall of return pin 58, or to reset
Portion 57 is resisted against return pin 58 at the position of reseting groove 59, meanwhile, reset portion 57 is interspersed with the rotation of stop flange 54
In reseting groove 59;When key 30 is pulled out, return pin 58 resets under the action of third spring, toward far from third spring
Direction moves, and reseting groove 59 also moves therewith, and in this process, the side wall of reseting groove 59 pushes reset portion 57 to drive entire limit
Position flange 54 rotates so that chip 41 is skidded off along the side wall that cross section is trapezoidal recessing groove 55 out of recessing groove 55, is realized
Top flat 42 can be released locked groove 25 while chip 41 resets, realize the reset of top flat 42, so that even by the reset of chip 41
Connected components 40 disconnect the connection between core ontology 21 and core cap 22.
The present invention is described in detail above in conjunction with attached drawing, but embodiments of the present invention be not limited in it is above-mentioned
Embodiment, those skilled in the art can make the present invention various modifications according to the prior art, such as will be in above-described embodiment
The first spring 43 be changed to other elastic parts etc., these are all within the scope of protection of the present invention.