A kind of safety automatic lock
Technical field
The invention belongs to five metals door lock fittings technical field, be specifically related to one antitheft automatically
Lock.
Background technology
It is known that safe-guard door lock is the core component of antitheft door, its quality is direct
Have influence on security performance and the serviceability of antitheft door.
In use there are some problems in existing safe-guard door lock: one is with lock core even
The drive disk assembly structure that connects is complicated, thus during production and processing and assembling difficulty big,
Processing and efficiency of assembling are low, are susceptible to mechanical breakdown, and service life is short;Two is latch bolt
Main dead bolt can not be made after locking to lock;Three be in-convenience in use, unblanking, it is loaded down with trivial details to lock;Four
It is that theftproof performance is the highest, not there is multiple security function.
Summary of the invention
It is an object of the invention to for the disadvantages mentioned above existing for existing safe-guard door lock, and carry
For a kind of automatic locking and that theftproof performance is excellent automatic lock of closing the door.
The purpose of the present invention can be realized by following technical proposal:
A kind of safety automatic lock, including panel, lock body, main dead bolt, bolt plate, dead bolt
Lock resetting-mechanism, oblique tongue rod and bolt plate of plate is unblanked drive mechanism, the outer end of oblique tongue rod
Be provided with can the latch bolt stretched out of the inclined tongue hole from panel, bolt plate, bolt plate are locked reset
Mechanism and bolt plate drive mechanism of unblanking is arranged in lock body, and main dead bolt is arranged on dead bolt
On plate and can stretch out by the lockhole from panel, it is characterised in that described bolt plate is unblanked
Drive mechanism includes thumb wheel, shifting component and handle shift fork, shifting component by main shaft with
Lock body is rotationally connected and engages with above-mentioned thumb wheel and handle shift fork simultaneously, fixing in bolt plate
Being provided with fixed block, this fixed block is blocked on the path that shifting component unblanks to rotate, bolt plate
And being provided with guiding mechanism between lock body, described lock body is also connected with can be at safety lock
Stop bit conciliate lock-bit toggle spacing in flakes, spacing in flakes and being provided with between lock body is driven
The dynamic spacing unblock resetting-mechanism changed to solution lock-bit from safety lock stop bit in flakes, spacing company
Driving it is provided with spacing in flakes from solving what lock-bit was changed to safety lock stop bit between sheet and bolt plate
Mechanism for locking up, spacing is blocked in locking of lock bolt plate automatically when being in safety lock stop bit in flakes
On path, oblique tongue rod and spacing in flakes between be provided with after latch bolt bounces back and ejects release limit
Position locking in flakes makes spacing to carry out switching motion under the effect unlocking resetting-mechanism in flakes
Touching unlocking mechanism.
In above-mentioned a kind of safety automatic lock, described spacing in flakes by connecting shaft with
Lock body is rotationally connected, spacing in flakes on there is position limit arm and lock arm, position limit arm is offered
Limited location bayonet socket, bolt plate is provided with pushing block, when lock is in unlocking condition automatically, spacing
Spacing bayonet socket can be buckled on above-mentioned pushing block and stop on pushing block when connecting shaft rotates in flakes
Lock resets, and the unlocking motion of lock arm can be kept off by above-mentioned touching unlocking mechanism.
In above-mentioned a kind of safety automatic lock, described touching unlocking mechanism include plectrum,
Limited block and drive plectrum to be close to the mechanism that reclines of oblique tongue rod, limited block by fixing axle with
Lock body is rotationally connected, and limited block swings around fixing axle and makes limiting section thereon be blocked in above-mentioned lock
On the unlocking motion path of arms or step down, plectrum is positioned at the sidepiece of oblique tongue rod, plectrum
The inner is rotationally connected with limited block, and outer end, towards latch bolt direction, plectrum offers hook and draws
Mouthful, described oblique tongue rod is provided with the grab corresponding with above-mentioned hook pulling mouth towards plectrum side,
During latch bolt retraction, grab can form fastener in falling into hook pulling mouth with oblique tongue rod motion and connect,
The outer end of described plectrum is provided with the inclined-plane that can be pushed away oblique tongue rod by handle shift fork.
In above-mentioned a kind of safety automatic lock, described lock arm is provided with there is platform
The card division on rank, described card division is provided with the first bayonet socket and the second bayonet socket, limited block around
Fixing axle swing make limiting section thereon be blocked on the unlocking motion path of above-mentioned lock arm or
When stepping down, limiting section lays respectively in the first bayonet socket and the second bayonet socket.
In above-mentioned a kind of safety automatic lock, set between described lock arm and limited block
Be equipped with fastening structure, concave point that described fastening structure includes being arranged on lock arm end and
The salient point being correspondingly arranged on limited block, when spacing be in safety lock stop bit position in flakes time,
Salient point on limited block can snap in the concave point on lock arm.
In above-mentioned a kind of safety automatic lock, described mechanism for locking up includes being arranged on limit
Position goes up the projection corresponding with above-mentioned pushing block in flakes, and what projection was positioned at pushing block unblanks on path,
When described pushing block and bolt plate together unlocking action, projection is promoted to make spacing in flakes around connection
Axle rotates.
In above-mentioned a kind of safety automatic lock, the described mechanism that reclines is the first torsion spring,
First torsion spring drives the outer end of plectrum to be close to oblique tongue rod.
In above-mentioned a kind of safety automatic lock, described unblock resetting-mechanism includes second
Torsion spring, the second torsion spring act on spacing in flakes on make its around connecting shaft rotate.
In above-mentioned a kind of safety automatic lock, described latch bolt resetting-mechanism includes the 3rd
Torsion spring, oblique tongue rod is provided with push rod, the 3rd torsion spring act on push rod drive oblique tongue rod to
Outer motion.
In above-mentioned a kind of safety automatic lock, arrange between described limited block and lock body
Having return mechanism, this return mechanism is the 4th torsion spring, and the 4th torsion spring drives the limit of limited block
Position portion moves to the unlocking motion path direction being blocked in above-mentioned lock arm.
In above-mentioned a kind of safety automatic lock, described oblique tongue rod is opened along direction of unblanking
Being provided with gathering sill, above-mentioned fixing axle is arranged in gathering sill and can be relative to oblique tongue rod along lead
Move back and forth to groove.
In above-mentioned a kind of safety automatic lock, described shifting component includes tapered end fluted disc
Sheet and main shifting block, both are coaxial and can relatively rotate, and tapered end fluted disc sheet is nibbled with above-mentioned thumb wheel
Closing, main shifting block engages with handle shift fork, is provided with when lock between tapered end fluted disc sheet and main shifting block
Head tooth disc rotation drives the single-way linkage device of main shifting block rotating in same direction when unblanking, above-mentioned
Fixed block is positioned at the unblanking on rotation path of main shifting block.
In above-mentioned a kind of safety automatic lock, described single-way linkage device includes arranging
Set bar on main shifting block, tapered end fluted disc sheet has linkage hole, and set bar is positioned at connection
In dynamic hole and can be promoted by one end inwall in hole of linking.
In above-mentioned a kind of safety automatic lock, described safety automatic lock also includes the world
The linkage of bar, the linkage of this universe rod includes that two components are located at bolt plate two
Universe rod device, described universe rod device all includes universe rod, pivoted arm and is opened in
Automatically the skewed slot in lock bolt plate, two skewed slots in two groups of universe rod devices are splayed
Arrangement, universe rod offers pin-and-hole, and described pivoted arm is all by rotating shaft and lock automatically
Lock body is rotationally connected, and pivoted arm is equipped with bearing pin, and this bearing pin is fastened on the oblique of correspondence simultaneously
In groove and pin-and-hole and can move back and forth along skewed slot with bolt plate action, bearing pin driving universe rod
Motion and driving pivoted arm rotate, and the pivoted arm in two groups of universe rod devices passes through a gear
Structure realizes synchronizing in opposite directions and rotating backward.
In above-mentioned a kind of safety automatic lock, described link gear includes a linkage
Bar, the two ends of this gangbar are all rotationally connected by connecting shaft and two pivoted arm one_to_one corresponding,
On one of them pivoted arm, bearing pin and connecting shaft set up the both sides in corresponding rotating shaft, another turn separately
On arm, bearing pin and connecting shaft are in the homonymy of corresponding rotating shaft.
In above-mentioned a kind of safety automatic lock, described universe rod device also includes spacing
Pin, lock body is perpendicular to the bolt plate direction of motion and offers limit guide groove, and spacing pin card sets
In corresponding limit guide groove and can slidably reciprocate along limit guide groove.
In above-mentioned a kind of safety automatic lock, described lock body stretches out place at corresponding universe rod
Offering limited mouth, the width of this limited mouth matches with the size of universe rod external part.
In above-mentioned a kind of safety automatic lock, the two ends of described skewed slot are provided with lock
Only breach.Locking breach is set and can stop that universe rod is counter pushes away main dead bolt function.
In above-mentioned a kind of safety automatic lock, described safety automatic lock also includes locking
Device, this locking system includes movable block, and in bolt plate, the direction of unblanking along main dead bolt is opened
Being provided with a guide groove, movable block is folded between bolt plate and lock body, movable block is fixed setting
The first bayonet lock, the first bayonet lock is had to be fastened in guide groove and can be relative to bolt plate along guide groove
Backhauling dynamic, a side of guide groove offers a locking bayonet socket at the end away from main dead bolt,
It is provided with between movable block and lock body and drives movable block locking bayonet socket one lateral movement to guide groove
Drive mechanism, described locking system also includes when bolt plate is in locking state
One bayonet lock is limited in the stopping means in above-mentioned locking bayonet socket.
In above-mentioned a kind of safety automatic lock, described stopping means includes being positioned at main dialling
The spacing breach offered towards the side of main dead bolt on block, this spacing breach can be with locking card
Above-mentioned first bayonet lock is limited between the two by mouth together.
In above-mentioned a kind of safety automatic lock, it is provided with between described movable block and lock body
Guide frame, this guide frame includes fixing at least two axis of guides being connected with lock body,
Offering on movable block and above-mentioned axis of guide guiding slot port one to one, axis of guide card sets
In corresponding guiding slot port.
In above-mentioned a kind of safety automatic lock, described drive mechanism includes the 5th torsion spring,
5th torsion spring acts on movable block, makes movable block have the locking bayonet socket side to guide groove
The trend of motion.
In above-mentioned a kind of safety automatic lock, logical between described locking bayonet socket and guide groove
Cross guiding surface to connect, facilitate the first bayonet lock turnover locking bayonet socket.
In above-mentioned a kind of safety automatic lock, described spacing breach is V-shaped.
The present invention is provided with panel, lock body, main dead bolt, bolt plate, bolt plate are locked multiple
Position mechanism, latch bolt, oblique tongue rod and bolt plate are unblanked drive mechanism (thumb wheel, shifting component
With handle shift fork) etc. structure, coordinate compact between each structure, can unblank easily
With lock;Arrange touching unlocking mechanism can automatic locking, eliminate with key or other
The trouble that manual mode just can be locked;The present invention has multiple security function, anti-theft effect
Good.
Accompanying drawing explanation
Fig. 1 is the structural representation after the present invention removes locking closure.
Fig. 2 is the structural representation that Fig. 1 removes after universe rod.
Fig. 3 is the spacing structural representation in flakes of the present invention.
Fig. 4 is the structural representation of invention.
Fig. 5 is the structural representation after Fig. 2 removes the parts such as tapered end fluted disc sheet and insurance cramp
Figure.
Fig. 6 is the partial sectional view of Fig. 5.
In figure, 1, panel;2, lock body;3, main dead bolt;4, bolt plate;5, latch bolt
Bar;6, latch bolt;7, thumb wheel;8, tapered end fluted disc sheet;9, main shifting block;10, handle
Shift fork;11, the 3rd torsion spring;12, main shaft;13, set bar;14, linkage hole;15、
Fixed block;16, spacing in flakes;17, connecting shaft;18, push rod;19, lock arm;
20, spacing bayonet socket;21, pushing block;22, plectrum;23, limited block;24, fixing axle;
25, limiting section;26, hook pulling mouth;27, grab;28, inclined-plane;29, the first torsion spring;
30, the second torsion spring;31, projection;32, elongated slot;33, plate is driven;34, the 7th turn round
Spring;35, card division;36, the first bayonet socket;37, the second bayonet socket;38, universe rod;39、
Pivoted arm;40, skewed slot;41, pin-and-hole;42, limited mouth;43, spacer pin;44, limit
Position guide groove;45, rotating shaft;46, bearing pin;47, gangbar;48, connecting shaft;49,
Four torsion springs;50, movable block;51, guide groove;52, the first bayonet lock;53, locking bayonet socket;
54, guiding surface;55, the 5th torsion spring;56, locking breach;57, spacing breach;
58, the axis of guide;59, guiding slot port;60, insurance cramp;61, rotary shaft;62、
Drive rod;63, bayonet socket is driven;64, the second bayonet lock;65, insurance bayonet socket;66,
Six torsion springs;67, steady pin;68, position limit arm;69, housing;70, spring.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
As shown in Figures 1 and 2, this safety automatic lock includes panel 1, lock body 2, main lock
Lock resetting-mechanism, oblique tongue rod 5 and bolt plate of tongue 3, bolt plate 4, bolt plate unblanks to drive
Motivation structure, panel 1 offers dead bolt hole and inclined tongue hole, and the outer end of oblique tongue rod 5 is provided with
Can the latch bolt 6 stretched out of the inclined tongue hole from panel 1, bolt plate 4, bolt plate are locked reset
Mechanism and bolt plate drive mechanism of unblanking is arranged in lock body 2, and main dead bolt 3 is arranged on
In bolt plate 4 and can stretch out by the lockhole from panel 1.
Bolt plate drive mechanism of unblanking includes thumb wheel 7, tapered end fluted disc sheet 8, main shifting block 9 and
Handle shift fork 10, wherein tapered end fluted disc sheet 8 and main shifting block 9 are coaxially turned by main shaft 12
Being dynamically connected, tapered end fluted disc sheet 8 engages with thumb wheel 7, main shifting block 9 and handle shift fork 10
Engagement, key lock (not shown) drives thumb wheel 7 to rotate.Set on main shifting block 9
There is a set bar 13, tapered end fluted disc sheet 8 offers the linkage hole 14 of arc, hole of linking
14 one end open, tapered end fluted disc sheet 8 along when rotating counterclockwise shown in Fig. 1, set bar 13
Can move and finally by the envelope in linkage hole 14 along linkage hole 14 relative to tapered end fluted disc sheet 8
Closed end is promoted, and can drive main shifting block 9 the most together when tapered end fluted disc sheet 8 is rotated further
Rotate.Being fixed with fixed block 15 in bolt plate 4, this fixed block 15 is positioned at main shifting block 9
Unblank on rotation path.It is additionally provided with guiding mechanism between bolt plate 4 and lock body 2,
This guiding mechanism includes locking the elongated slot 32 that direction offers along bolt plate 4, above-mentioned main shaft 12
Being positioned at elongated slot 32, main shaft 12 can bolt plate 4 relatively move back and forth along elongated slot 32.
As shown in Figure 1-Figure 3, lock body 2 is provided with a spacing company by connecting shaft 17 rotation
Sheet 16, spacing in flakes 16 when connecting shaft 17 rotates can safety lock stop bit conciliate lock-bit
Toggle, spacing 16 L-shaped in flakes, it is made up of position limit arm 68 and lock arm 19,
Offering spacing bayonet socket 20 on position limit arm 68, bolt plate 4 is provided with pushing block 21, Fig. 1
16 be in safety lock stop bit in flakes with spacing shown in Fig. 2, spacing in flakes 16 locking
The touched unlocking mechanism of arm 19 is kept off, it is impossible to rotate counterclockwise unblock, the most spacing bayonet socket
20 are buckled on pushing block 21, and pushing block 21 cannot be locked to upper direction shown in Fig. 1.
When spacing in flakes 16 rotate counterclockwise as shown in Figure 1 time, spacing bayonet socket 20 can and pushing block
21 depart from, bolt plate 4 and pushing block 21 bolt plate lock resetting-mechanism driving under to
Upper motion, main dead bolt 3 has stretched out locks.
Bolt plate resetting-mechanism of locking includes driving plate 33 and the 7th torsion spring 34, drives plate
One end of 33 is rotationally connected with lock body 2, the other end and the connection of bolt plate 4, and the 7th turns round
One end that spring 34 driving plate 33 is connected with bolt plate 4 is to bolt plate 4 direction of motion
Deflection.Present invention additionally comprises buffer, described buffer includes housing 69 and is positioned at shell
Spring 70 in body 69, one end and the lock body 2 of housing 69 connect, and the other end passes through bullet
Spring 70 and above-mentioned driving plate 33 connect, and buffer can make to drive sheet 33 to bolt plate 4
Direction deflection of locking slowly is carried out, and does not affect driving plate 33 and reversely deflect.
Touching unlocking mechanism includes plectrum 22, limited block 23 and drives plectrum 22 to be close to tiltedly
The mechanism that reclines of tongue bar 5.Limited block 23 is rotationally connected with lock body 2 by fixing axle 24,
Limited block 23 swings around fixing axle 24 and makes limiting section 25 thereon be blocked in above-mentioned lock arm
On the unlocking motion path of 19 or step down, plectrum 22 is positioned at the sidepiece of oblique tongue rod 5, dials
The inner of sheet 22 is rotationally connected with limited block 23, and outer end is towards latch bolt 6 direction, plectrum
Offering hook pulling mouth 26 on 22, oblique tongue rod 5 is provided with and above-mentioned hook towards plectrum 22 side
The grab 27 of pulling mouth 26 correspondence, the outer end of described plectrum 22 is provided with can be by handle shift fork 10
Push away the inclined-plane 28 of oblique tongue rod 5.Return machine it is provided with between limited block 23 and lock body 2
Structure, this return mechanism is the 4th torsion spring 49, and the 4th torsion spring 49 drives the limit of limited block 23
Position portion 25 moves to the unlocking motion path direction being blocked in above-mentioned lock arm 19.
As it is shown on figure 3, be provided with the card division 35 with step, card division on lock arm 19
Being provided with the first bayonet socket 36 and the second bayonet socket 37 on 35, limited block 23 is around fixing axle 24
Swing make limiting section 25 thereon be blocked on the unlocking motion path of above-mentioned lock arm 19 or
When stepping down, limiting section 25 lays respectively in the first bayonet socket 36 and the second bayonet socket 37.
It is additionally provided with fastening structure, this fastening structure between lock arm 19 and limited block 23
Including be arranged on the concave point of lock arm 19 end and be correspondingly arranged on limited block 23 convex
Point, when spacing in flakes 16 be in safety lock stop bit position time, the salient point on limited block 23
The concave point on lock arm 19 can be snapped in.
Bolt plate 4 shown in Fig. 1 and Fig. 2 is in unlocking condition, the most main dead bolt 3 times
Being reduced in lock body 2, the limited bayonet socket of pushing block 21 20 in bolt plate 4 blocks, dead bolt
Plate 4 cannot bolt plate lock resetting-mechanism effect under move upward and lock, tiltedly
Grab 27 on tongue bar 5 leans against and does not falls within hook pulling mouth 26 on plectrum 22.It follows that
Closing the door or touch latch bolt 6 and can latch bolt 6 be pushed back to lock body 2, latch bolt 6 bounces back,
Oblique tongue rod 5 is driven to overcome the elastic force of the 3rd torsion spring 11 to move downward, the card on oblique tongue rod 5
Hook 27 againsts plectrum 22 and moves downward, owing to plectrum 22 is in the effect of the first torsion spring 29
Lower outer end can be leaned on toward oblique tongue rod 5 direction all the time, treats that grab 27 moves to hook pulling mouth 26
Can just fall into when putting in hook pulling mouth 26, now the outer end of plectrum 22 abuts in oblique tongue rod
On 5.When oblique tongue rod 5 and latch bolt 6 reset under the effect of the 3rd torsion spring 11, plectrum 22
Being hooked by grab 27 and move upward, the inner of plectrum 22 drives limited block 23 to turn counterclockwise
Dynamic, the limiting section 25 on limited block 23 swings to the right and steps down, and lock arm 19 unlocks,
And make spacing 16 to rotate counterclockwise in flakes under the effect of the second torsion spring 30, position limit arm 68
On spacing bayonet socket 20 separate with pushing block 21, bolt plate 4 is locked reset machine in bolt plate
Move upward under the effect of structure, main dead bolt 3 is ejected, completes to lock.
During key unlocking, key inserts key lock and rotates, and drives thumb wheel 7 to press Fig. 1
Shown in rotate clockwise, thumb wheel 7 drives tapered end fluted disc sheet 8 to rotate counterclockwise, and passes through
Set bar 13 and linkage hole 14 drive main shifting block 9 together to rotate counterclockwise, main shifting block 9
In rotation process, act on the fixed block 15 in bolt plate 4, thus promote bolt plate
4 bounce back in lock body 2 to moved beneath shown in Fig. 1, main dead bolt 3, it is achieved unblank.
In bolt plate 4 motor process, pushing block 21 thereon act on spacing in flakes 16 projection
On 31, projection 31 is positioned at the unblanking on path of pushing block 21, so pushing block 21 and dead bolt
During plate 4 together unlocking action, projection 31 is promoted to make spacing in flakes 16 around connecting shaft 17
Rotate clockwise.When bolt plate 4 activity puts in place, spacing 16 it rotate in place too in flakes,
Spacing bayonet socket 20 on position limit arm 68 is just buckled on pushing block 21, realizes bolt plate 4
Locking, bolt plate 4 cannot automatic spring.
During above-mentioned key unlocking, when main shifting block 9 rotates, also can utilize it and handle
The meshing relation of shift fork 10 drives handle shift fork 10 to rotate clockwise, handle shift fork 10
Remaking and be used on push rod 18, by oblique tongue rod 5 to setting aside, latch bolt 6 retraction is unblanked.Plectrum
The outer end of 22 is owing to being provided with inclined-plane 28, when handle shift fork 10 rotates, and handle shift fork 10
End can act on this inclined-plane 28, plectrum 22 outer end is pushed away oblique tongue rod 5, makes
Grab 27 on oblique tongue rod 5 realizes fastener and connects, so in will not fall into hook pulling mouth 26
Also will not hook plectrum 22 to move when oblique tongue rod 5 resets.
When in utilizing, handle is unblanked, handle in rotating, make handle shift fork 10 rotate, thus
Main shifting block 9 is driven to rotate counterclockwise as shown in Figure 1, ensuing course of action and key
Unblank identical, just repeat no more at this.
As shown in Figure 1, Figure 2 and shown in Fig. 4, present invention additionally comprises the linkage of universe rod,
It includes that two components are located at the universe rod device at bolt plate 4 two, and this universe rod device is equal
Including universe rod 38, pivoted arm 39 and the skewed slot 40 being opened in bolt plate 4, two groups of skies
Two skewed slots 40 in ground lever apparatus arrange in splayed.The two ends of each skewed slot 40 are all provided with
It is equipped with two locking breach 56.
Offering pin-and-hole 41 on universe rod 38, this pin-and-hole 41 is in strip, along bolt plate 4
The direction of motion offer.
Two pivoted arms 39 are all rotationally connected with lock body 2 by a rotating shaft 45, pivoted arm 39
On be equipped with bearing pin 46, this bearing pin 46 be fastened on simultaneously correspondence skewed slot 40 and pin-and-hole 41
In and can move back and forth along skewed slot 40 with bolt plate 4 action, bearing pin 46 drives universe rod
38 motions and driving pivoted arm 39 rotate.
Stretch out place at corresponding universe rod 38 on the lock body 2 of the present invention and offer limited mouth 42,
The width of this limited mouth 42 matches with the size of universe rod 38 external part.Two world
Bar 38 stretches out and is provided with a lateral hook on one end of lock body 2.
It is additionally provided with spacer pin 43 on universe rod 38, lock body 2 is perpendicular to bolt plate 4
Offering limit guide groove 44 in the direction of motion, spacer pin 43 is fastened on the spacing of correspondence and leads
Groove 44 is interior and can slidably reciprocate along limit guide groove 44.Limited mouth 42, spacer pin 43 and
Limit guide groove 44 ground arranges and can ensure that universe rod 38 moves along a straight line.
As it is shown in figure 1, the pivoted arm 39 in two groups of universe rod devices of the present invention is by a linkage
Mechanism realizes synchronizing in opposite directions and rotating backward.This link gear includes a gangbar 47,
The two ends of this gangbar 47 are all rotated even by connecting shaft 48 and two pivoted arm 39 one_to_one corresponding
Connect.On one of them pivoted arm 39, bearing pin 46 and connecting shaft 48 set up separately in corresponding rotating shaft 45
Both sides, on another pivoted arm 39, bearing pin 46 and connecting shaft 48 are in corresponding rotating shaft 39
Homonymy.
During work, when bolt plate 4 is locked or unblanked and move back and forth, two pins can be made
The relative bolt plate 4 of axle 46 moves back and forth along corresponding skewed slot 40, and it is right that each bearing pin 46 drives
Pivoted arm 39 beat back and forth answered, drives corresponding universe rod 38 relative limit mouth 42 back and forth
Stretching motion, and gangbar 47 can make pivoted arm 39 synchronize in opposite directions and rotate backward.This
After the safety automatic lock of invention installs, can make to will be located in lower section by above-mentioned link gear
Universe rod 38 gravity be converted into the thrust that universe rod 38 above moves upward,
So that be provided to bolt plate 4 motion driving force diminish so that antitheft automatically
Locking of lock is more laborsaving.
As shown in Figure 5 and Figure 6, present invention additionally comprises locking system, it includes movable block
50, in bolt plate 4, the direction of unblanking along main dead bolt 3 offers a guide groove 51, movable block
50 are folded between bolt plate 4 and lock body 2.
Being fixed with one first bayonet lock 52 on movable block 50, the first bayonet lock 52 is fastened on leads
Groove 51 is interior and can move back and forth along guide groove 51 relative to bolt plate 4.The side of guide groove 51
While offer a locking bayonet socket 53, locking bayonet socket 53 at the end away from main dead bolt 3
And (by a guiding surface 54 guiding surface 54 is set and facilitates the first card between guide groove 51
Pin 52 passes in and out locking bayonet socket 53) connect.
The driving movable block 50 locking to guide groove 51 it is provided with between movable block 50 and lock body 2
The drive mechanism of bayonet socket 53 1 lateral movement, this drive mechanism includes the 5th torsion spring 55, the
Five torsion springs 55 act on movable block 50, make movable block 50 have the lock to guide groove 51
The only trend of bayonet socket 53 1 lateral movement.
Movable block 50 the most linearly moves under drive mechanism effect, and it is
Five torsion spring 55 effects are lower can make beat motion towards locking bayonet socket 53 direction, so arranges also
It is that the first bayonet lock 52 on movable block 50 passes in and out locking bayonet socket 53 for convenience.Work as dead bolt
When plate 4 moves along direction of locking, the first bayonet lock 52 can be along guiding under drive mechanism effect
Inclined-plane 54 enters in locking bayonet socket 53.
Present invention additionally comprises and when bolt plate 4 is in locking state, the first bayonet lock 52 is limited
Stopping means in above-mentioned locking bayonet socket 53.
This stopping means includes being arranged on what main shifting block 9 was offered towards the side of main dead bolt 3
Spacing breach 57, this spacing breach 57 V-shaped (as shown in Figure 5), V mouth is towards leading
To inclined-plane 54 (when bolt plate 4 is in locking state).
Being additionally provided with guide frame between movable block 50 and the lock body 2 of the present invention, this guiding is tied
Structure includes at least two piece axis of guides 58 that are connected fixing with lock body 2, and movable block 50 is opened
Being provided with and the above-mentioned axis of guide 58 guiding slot port 59 one to one, the axis of guide 58 is fastened on
In corresponding guiding slot port 59.The present embodiment is provided with two axis of guides on lock body 2
58, on portable plate 50, offered two guiding slot ports 59 accordingly.Two guiding slot ports
One of them level in 59 is offered and perpendicular with the direction of motion of bolt plate 4, another
The needs that arrange of individual guiding slot port 59 match with the swing of movable block 50, and i.e. it is bent
Linear guiding slot port 59.
When bolt plate 4 upwards lock side is to motion, relative first bayonet lock 52 of bolt plate 4
Motion, the first bayonet lock 52 can enter along the guiding surface 54 on guide groove 51 and guide groove 51
Entering between locking bayonet socket 53 and the spacing breach 57 of main shifting block 9, bolt plate 4 is final
After locking, the fixed block 15 in bolt plate 4 coordinates with main shifting block 9 can compress main shifting block 9,
The first bayonet lock 52 is made to be limited between locking bayonet socket 53 and spacing breach 57, bolt plate
4 and first bayonet lock 52 can not relative motion, bolt plate 4 is locked out;When main shifting block 9 exists
Interior handle is unblanked or under key unlocking, (a series of linkage, with reference to detailed earlier herein) presses figure
Rotating counterclockwise shown in 5, the spacing breach 57 of main shifting block 9 deviates locking bayonet socket 53, limit
Position releases, and bolt plate 4 can be moved by relative first bayonet lock 52, and main shifting block 9 is rotated further,
Act on the fixed block 15 in bolt plate 4, thus promote bolt plate 4 to shown in Fig. 5
Moved beneath, main dead bolt 3 bounces back in lock body 2, it is achieved unblank.
As it is shown in figure 1, present invention additionally comprises key safety, it includes insuring cramp
60, driving means and locking device.Insurance cramp 60 is by rotary shaft 61 and lock body 2
Being rotationally connected, driving means can drive insurance cramp 60 to rotate around rotary shaft 61 and make insurance
Cramp 60 toggles between safety position and unlocked position.Locking device can be in insurance
Cramp 60 keeps its position when being in safety position or unlocked position.
Above-mentioned tapered end fluted disc sheet 8 is provided with a drive rod 62, and insurance cramp 60 is towards driving
The side of lever 62 offers driving bayonet socket 63.Drive rod 62 with tapered end fluted disc sheet 8 around
When main shaft 12 carrys out back rotation, can be respectively acting on two sides driving bayonet socket 63,
Driving insurance cramp 60 to rotate around rotary shaft 61 makes insurance cramp 60 conciliate in safety position
Toggle between lock position.
The second bayonet lock 64 it is fixedly installed, towards the on insurance cramp 60 in bolt plate 4
The side of two bayonet locks 64 is correspondingly provided with insuring bayonet socket 65.Bolt plate 4 is in locks
During state, insurance cramp 60 can make the second bayonet lock 64 snap in guarantor when being rocked to safety position
Bolt plate 4 action is limited in danger bayonet socket 65.
The locking device of the present invention includes the 6th torsion spring 66 being in compressive state, and the 6th turns round
One end of spring 66 is set on a steady pin 67 of lock body 2 actively, the other end and guarantor
Danger cramp 60 is rotationally connected.The 6th torsion spring 66 being in compressive state can be along with safety fastener
Sheet 60 rotates and changes force direction, and it can be in safety position at insurance cramp 60
Or during unlocked position, keep its position.
It should be understood that in claims of the present invention, description, all " bags
Include ... " should be understood as open implication, namely its implication is equal to " at least contain
Have ... ", and should not be construed as enclosed implication, i.e. its implication " only should not be construed
Comprise ... ".
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.