CN108915406A - A kind of mechanical trigger-type theftproof lock - Google Patents

Abstract

The present invention relates to a kind of mechanical trigger-type theftproof locks, are installed in door body, by the flexible of lock body lock tongue, match with the glossal canal of doorframe locking plate, to realize the opening and closing of lock body；Including main jam plate, latch bolt component and the slow-witted tongue component being installed on inside lock body, it is characterised in that：Trigger mechanism is equipped in the lock body, the trigger mechanism is in linkage between latch bolt component and slow-witted tongue component, and while closing the door, latch bolt drives the slow-witted tongue of the trigger mechanism automatic trigger to protrude into locking plate and realizes locking.Lock body of the present invention is automatic locking, and user experience is good, and key locking or handle are locked cumbersome when reduction is gone out, and functional reliability is high, is influenced by extraneous factor small.

Description

A kind of mechanical trigger-type theftproof lock

Technical field

The present invention relates to a kind of theftproof lock, especially a kind of mechanical trigger-type theftproof lock belongs to lock technology field.

Background technique

Lockset forward direction intelligent direction develops at present, and unlocking mode is varied, has password, swipes the card, the side such as fingerprint, iris Formula gradually replaces the cumbersome mode of key unlocking, easy to operate, the favor by user.But locking mode also rests on It is not only cumbersome in the mode of handle locking and key locking, but also exist to go out and forget the security risk of locking, therefore one Kind closes the door self-locking lockset with good advantages for development.

There are some electric triggering type locks on the market at present to exist centainly although solving the cumbersome of manual locking Security risk, since electronic component is easier to be affected by the external environment, the factors such as short circuit, electromagnetic interference easily occur causes to lose Effect, therefore the reliability of electric triggering type lock and safety are lower.

A kind of mechanical trigger-type theftproof lock provided by the invention is highly-safe, experiences, and has a extensive future.

Summary of the invention

Present invention seek to address that the shortcomings of the prior art, provide it is a kind of with high security, user experience It is good, the mechanical trigger-type theftproof lock having a extensive future.

The technical solution adopted by the present invention is as follows：

A kind of mechanical trigger-type theftproof lock, is installed in door body, the glossal canal phase by the flexible of lock body lock tongue, with doorframe locking plate Cooperation, to realize the opening and closing of lock body；Including main jam plate, latch bolt component and the slow-witted tongue component being installed on inside lock body, it is special it Be in：

Be configured with trigger board inside lock body, the installation of trigger board one end elasticity inside lock body, and because of the presence of elastic force, institute The other end for stating trigger board acts on slow-witted tongue component always, prevents it from stretching out；

There is trigger point on latch bolt component, in door closing procedure, latch bolt component stretches out, and the elastic force of trigger board is fought in trigger point, And trigger board is pushed to slide into disengagement and the contact of slow-witted tongue component, slow-witted tongue protrudes into locking plate and reaches lock position.

Lock bottom case is slidably mounted on by guide groove in the middle part of trigger board, triggering end is made of inclined-plane and locking surface, is passed through Being slidably matched of trigger point and inclined-plane makes trigger board occur lateral displacement, stop when trigger point to locking surface；

The triggering end of the trigger board applies elastic force by torsional spring, and the torsional spring is installed on torsional axis, and one end spring arm is hung It connects on lock body, the triggering end mounting of other end spring arm and trigger board.

It is linked between the main jam plate and latch bolt component by latch bolt plectrum, the latch bolt plectrum is by door knob hand-drive Control, with handle linkage portion, latch bolt retainer, latch bolt solution lock section and main jam plate linkage portion；The mainboard plate and slow-witted tongue group It is linked between part by slow-witted tongue plectrum；The slow-witted tongue plectrum is rotatablely installed by riveting axis in lock body, is had and is stayed tongue solution Lock section and main jam plate linkage portion；

The main jam plate drives it to make reciprocal linear movement in lock body by driving unit, according to the difference of moving direction, has Lock position and unlocked position；It is respectively equipped on main jam plate and is dialled with the main jam plate latch bolt linkage portion of latch bolt plectrum linkage, with slow-witted tongue The main jam plate of piece linkage stays tongue linkage portion and stays tongue solution lock section with the main jam plate of slow-witted tongue locking plate linkage.

The driving unit includes handle driving unit, key actuated unit and electric drive according to the difference of driving method Unit；It is also each configured on the main jam plate corresponding to the electric opening control terminal of electric opening function and is joined with key shifting block Dynamic key opens control terminal.

The latch bolt component is pressed inside lock body by latch bolt spring, has the lock being fully inserted into inside locking plate Stop bit sets, be fully retracted to the unlocked position of lock body and unlocking after the initial position that partially stretches out；The latch bolt component includes Latch bolt ontology with bar portion and head, latch bolt spring is between bar portion and lock body, and elasticity is pressed on the latch bolt ontology The head of one latch bolt core, the latch bolt core is slope angle structure, is connected between its underpart and the latch bolt body head by pressure spring elasticity It connects；The tail portion of the latch bolt core is used as around pressure side press fitting on the latch bolt ontology, and the latch bolt core slope angle structure back side is predetermined A card corner structure, initial position after being unlocked are equipped at distance, the card corner structure and lock panel are clamped, and make latch bolt can only part It stretches out；Lock position after shutdown, card corner structure deviates from lock panel while latch bolt core head is pressed into locking plate, in latch bolt bullet Under the action of spring, latch bolt is fully extended；In unlocked position, latch bolt plectrum pulls latch bolt to be fully retracted to lock body；

The slow-witted tongue component elasticity press fitting has the lock position being fully inserted into inside locking plate and locks back completely inside lock body To the intracorporal unlocked position of lock；The slow-witted tongue component is had tongue, is driven by staying the driving of tongue plectrum with the plectrum for controlling its retraction Portion, the retainer with the cooperation of slow-witted tongue locking rod to keep it to stretch out, and in the initial state by trigger board locking, at closing time The triggering retainer disengaged with trigger board；The slow-witted tongue locking rod is rotatablely installed by torsional spring in lock body and under elastic reaction Keep the locking with the slow-witted tongue component retainer.

The main jam plate can be linked with driving member, and driving member can connect side lock and improve Lock safety, increase electric drive portion Part realizes intelligent unlocking.

A kind of mechanical trigger-type theftproof lock of the invention is mainly characterized by being made up of latch bolt component and trigger board and trigger Mechanism realizes that lock body shutdown is automatic locking so that the movement of latch bolt can trigger slow-witted tongue component at closing time, and user experience is very good, Key locking or handle are locked cumbersome when reduction is gone out, and safe and reliable, reduce the security risk for forgetting to lock when going out, It is relatively reliable that mechanical trigger mechanism ratio is electronically activated machine arrangement works performance, is influenced by extraneous factor small.

Detailed description of the invention

Fig. 1：A kind of mechanical trigger-type anti-theft lock structure explosive view；

Fig. 2：Lock body locked state structural schematic diagram；

Fig. 3：The schematic diagram of internal structure of Fig. 2；

Fig. 4：Lock body unlock state structure diagram；

Fig. 5：After unlocking, lock body original state structure chart；

Fig. 6：Latch bolt component structure diagram；

Fig. 7：Latch bolt cross-sectional view；

Fig. 8：Slow-witted tongue component structure diagram；

Fig. 9：Main locking plate structure schematic diagram；

Figure 10, trigger board structural schematic diagram；

Figure 11：Latch bolt plectrum structure schematic diagram；

Figure 12：Slow-witted tongue plectrum structure schematic diagram；

1, main jam plate in the figure, 1-1, main jam plate latch bolt linkage portion, 1-2, main jam plate stay tongue linkage portion, and 1-3, main jam plate stay tongue Solution lock section, 1-4, electric opening control terminal, 1-5, key unlatching control terminal, 1-6, latch bolt inclined thrust surface, 1-7, slow-witted tongue inclined thrust surface, 2, Latch bolt component, 2-1, trigger point, 2-2, latch bolt core, 2-2a, slope angle structure, 2-2b, pressure spring, 2-2c, card corner structure, 3, slow-witted tongue group Part, 3-1, tongue, 3-2, plectrum driving portion, 3-3, retainer, 3-4, triggering retainer, 4, trigger board, 4-1, guide groove, 4-2, Inclined-plane, 4-3, locking surface, 5, trigger board torsional spring, 6, latch bolt plectrum, 6-1, handle linkage portion, 6-2, latch bolt retainer, 6-3, tiltedly Tongue solution lock section, the main jam plate linkage portion of 6-4, latch bolt, 6-5, latch bolt spring, 7, slow-witted tongue plectrum, 7-1, slow-witted tongue solution lock section, 7-2, slow-witted tongue Main jam plate linkage portion, 8, slow-witted tongue locking rod, 8-1, locking rod torsional spring, 9, key shifting block, 10, latch bolt spring.11, lock cap, 12, Bottom-locking plate.

Specific embodiment

Below in conjunction with attached drawing 1-12, a specific embodiment of the invention is provided, is used to a kind of mechanical trigger-type of the present invention The structure composition and design principle of theftproof lock are described in further detail.

A kind of mechanical trigger-type theftproof lock, is installed in door body, the tongue by the flexible of lock body lock tongue, with doorframe locking plate Slot matches, to realize the opening and closing of lock body；Including main jam plate 1, latch bolt component 2 and the slow-witted tongue component 3 being installed on inside lock body, lock Shell is composed of lock cap 11 and bottom-locking plate 12；Trigger board 4 is configured with inside lock body, 4 one end of trigger board elasticity Inside lock body, and because of the presence of elastic force, the other end of the trigger board 4 acts on slow-witted tongue component 3 always, makes it not for installation It can stretch out；There is trigger point 2-1, in door closing procedure, latch bolt component 2 stretches out, trigger point 2-1 confrontation triggering on latch bolt component 2 The elastic force of plate 4, and trigger board 4 is pushed to slide into disengagement and the contact of slow-witted tongue component 3, slow-witted tongue protrudes into locking plate and reaches locking position It sets.

Lock bottom case is slidably mounted on by guide groove 4-1 in the middle part of trigger board 4, triggering end is by inclined-plane 4-2 and locking surface 4-3 It constitutes, makes trigger board 4 that lateral displacement, trigger point 2-1 to locking surface occur by being slidably matched for trigger point 2-1 and inclined-plane 4-2 Stop when 4-3；The triggering end of the trigger board 4 applies elastic force by trigger board torsional spring 5, and the trigger board torsional spring 5 is installed on On torsional axis, one end spring arm is articulated on lock body, and the triggering end of other end spring arm and trigger board 4 mounts.

It is linked between the main jam plate 1 and latch bolt component 2 by latch bolt plectrum 6, the latch bolt plectrum 6 is by door handle Drive control, with handle linkage portion 6-1, latch bolt retainer 6-2, latch bolt solution lock section 6-3 and the main jam plate linkage portion 6- of latch bolt 4；It is linked between the main jam plate 1 and slow-witted tongue component 3 by slow-witted tongue plectrum 7；The slow-witted tongue plectrum 7 passes through riveting axis rotation peace Loaded in lock body, has and stay the tongue solution lock section 7-1 and main jam plate linkage portion 7-2 of slow-witted tongue；

The main jam plate 1 drives it to make reciprocal linear movement in lock body by driving unit, according to the difference of moving direction, has Lock position and unlocked position；It is respectively equipped with the main jam plate latch bolt linkage portion 1-1 to link with latch bolt plectrum 6 on main jam plate 1 and stays The main jam plate that tongue plectrum 7 links stays tongue linkage portion 1-2 and stays tongue solution lock section 1-3 with the main jam plate of slow-witted tongue locking rod 8 linkage.

The driving unit includes handle driving unit, key actuated unit and electric drive according to the difference of driving method Unit；It is also each configured on the main jam plate 1 corresponding to the electric opening control terminal 1-4 of electric opening function and is dialled with key The key that block 9 links opens control terminal 1-5.

The latch bolt component 2 inside lock body, has and is fully inserted into inside locking plate by the 10 elasticity press fitting of latch bolt spring Lock position, be fully retracted to the unlocked position of lock body and unlocking after the initial position that partially stretches out；The latch bolt component 2 Including the latch bolt ontology with bar portion and head, latch bolt spring 10 is elastic on the latch bolt ontology between bar portion and lock body The head for being pressed with latch bolt core a 2-2, the latch bolt core 2-2 is slope angle structure 2-2a, its underpart and the latch bolt body head Between by pressure spring 2-2b elastic connection；The tail portion of the latch bolt core 2-2 is used as around pressure side press fitting on the latch bolt ontology, described A card corner structure 2-2c, initial position after being unlocked, the Ka Jiao are equipped on rear side of latch bolt core slope angle structure 2-2a at preset distance Structure 2-2c and lock panel are clamped, and stretch out latch bolt can only partially；Lock position after shutdown, the indentation of the latch bolt head core 2-2 Card corner structure 2-2c deviates from lock panel while locking plate, and under the action of latch bolt spring 10, latch bolt is fully extended；In solution lock-bit It sets, latch bolt plectrum 6 pulls latch bolt to be fully retracted to lock body；

The slow-witted tongue component 3 inside lock body, has the lock being fully inserted into inside locking plate by slow-witted tongue spring 3-5 elasticity press fitting Stop bit is set and lock is back to the intracorporal unlocked position of lock completely；The slow-witted tongue component have tongue 3-1, by the slow-witted driving of tongue plectrum 7 with It controls the plectrum driving portion 3-2 of its retraction, cooperate the retainer 3-3 to keep it to stretch out with slow-witted tongue locking rod 8, and initial By 4 locking of trigger board, in the triggering retainer 3-4 disengaged at closing time with trigger board 4 under state；The slow-witted tongue locking rod 8 passes through Locking rod torsional spring 8-1 rotational installation is in keeping the locking with slow-witted 3 retainer of tongue component in lock body and under elastic reaction.Institute Driving member can be linked with by stating main jam plate 1, and driving member can connect side lock and improve Lock safety, increased electric drive component and realized intelligence It unlocks.

Slow-witted tongue plays working principle certainly

Slow-witted tongue component 3 is locked at locked position by trigger board 4, and after latch bolt component 2 is closed the door, into doorframe buckle, buckle squeezes oblique Tongue core 2-2 discharges latch bolt completely, and during release, the trigger point 2-1 in latch bolt pushes 4 transverse shifting of trigger board, trigger board 4 Slow-witted tongue component 3 is discharged, under the effect of slow-witted tongue spring, stays 3 automatic spring of tongue component, when reaching locked position, under main 1 straight trough of jam plate Fall, at the same locking stay tongue component 3 realized with latch bolt component 2 it is self-locking.

Latch bolt component 2 and trigger board 4 form trigger unit, and the transverse shifting of the extension and contraction control trigger board 4 of latch bolt is then real Existing locking and disengagement of the trigger board 4 to slow-witted tongue.Main jam plate 1 forms linkage part, latch bolt plectrum with latch bolt plectrum 6, slow-witted tongue plectrum 7 6 driving latch bolts are flexible, stay tongue plectrum 7 and drive slow-witted tongue flexible, latch bolt and slow-witted tongue can be realized when being allowed to one as driving source in three It retracts and completes unlocking process, therefore there are several different unlocking modes such as handle unlocking, key unlocking, electric drive unlocking.

Lock body working principle：

Locking process description：The original state of the rear locking of unlocking such as Fig. 5, the card corner structure 2-2c in latch bolt component 2 are stuck in lock On honorable plate, latch bolt stretches out certain length.Latch bolt is snapped plate and squeezes slowly retraction lock body at closing time, when latch bolt is moved to buckle Latch bolt pops up under the active force of latch bolt spring 10 when dead bolt hole, oblique on the trigger point 2-1 touch trigger plate 4 on latch bolt component Face 4-2 promotes trigger board 4 to move to left, and the triggering retainer 3-4 in trigger board and slow-witted tongue component is disengaged, and slow-witted tongue component is turned round in slow-witted tongue It is popped up under the active force of spring.Slow-witted tongue locking rod 8 rotates clockwise under the active force of locking rod torsional spring 8-1, screws in slow-witted tongue component 3 Retainer 3-3 in, slow-witted tongue cannot be retracted by when axial force, realize slow-witted tongue locking.Latch bolt is pressed, is had in latch bolt when latch bolt moves down Have and forms interlocking interlocking point with 6 structure of latch bolt plectrum.The process of entire trigger-type realizes lock body locking, and locked state is as schemed 2, Fig. 3.

Unlocking process description：In unlocking process, handle drives the rotation of latch bolt plectrum, at the same time, on latch bolt plectrum Latch bolt solution lock section pulls latch bolt component retraction, and it is linear that the main jam plate linkage portion on latch bolt plectrum drives main jam plate to make to unlocking direction Mobile, main jam plate stays tongue solution lock section and pulls slow-witted tongue locking plate, while slow-witted tongue plectrum rotates therewith, stays the slow-witted tongue on tongue plectrum Solution lock section pulls slow-witted tongue component retraction immediately, and so far, latch bolt and slow-witted tongue bounce back to inside lock body, complete unlock；Unlocking manner There are the several ways such as handlebar unlocked, key unlock, electric drive unlock.When handlebar unlocked, rotating handles shifting block is then driven tiltedly The rotation of tongue plectrum, driving source of the latch bolt plectrum as linkage part transmit driving force by main jam plate, latch bolt plectrum and realize latch bolt Slow-witted tongue, which retracts, completes unlocking process.When key unlock is unlocked with electric drive, the main jam plate in linkage part is as driving indirectly Source makes latch bolt stay tongue and retracts completion unlocking process by slow-witted tongue plectrum and latch bolt plectrum.

The technical effects of the invention are that：1, at closing time, lock body is automatic locking, and user experience is good, key when reduction is gone out Locking or handle locking it is cumbersome and safe and reliable, reduce the security risk that locking is forgotten when going out.Mechanical trigger mechanism ratio Arrangement works high reliablity is electronically activated, is influenced by extraneous factor small.2, latch bolt capable of reversing is being assembled because of the symmetrical configuration of latch bolt When according to door be opened to determine latch bolt placement direction, door lock can be realized and be suitable for the different door body being opened to.3, latch bolt can be used as Locking points, the extension elongation of latch bolt is identical as slow-witted tongue stretching after locking, the latch bolt plectrum being connected with latch bolt can locking latch bolt, increase Lock body locking points.4, can band edge lock and electric drive component, the main jam plate inside lock body can be linked with driving member, and driving member can connect Edge fit lock improves Lock safety, and intelligent unlocking can be realized by increasing electric drive component.

Claims (8)

1. a kind of mechanical trigger-type theftproof lock, is installed in door body, the glossal canal by the flexible of lock body lock tongue, with doorframe locking plate It matches, to realize the opening and closing of lock body；Including main jam plate, latch bolt component and the slow-witted tongue component being installed on inside lock body, feature It is：

Trigger mechanism is equipped in the lock body, the trigger mechanism is in linkage between latch bolt component and slow-witted tongue component, in shutdown Meanwhile latch bolt drives the slow-witted tongue of the trigger mechanism automatic trigger to protrude into locking plate realization locking.

2. a kind of mechanical trigger-type theftproof lock as described in claim 1, is characterized in that

The trigger mechanism includes the trigger board installed inside lock body, and the trigger point installed on latch bolt component；

Inside lock body, and because of the presence of elastic force, the other end of the trigger board begins for the installation of trigger board one end elasticity Slow-witted tongue component is acted on eventually, prevents it from stretching out；

The trigger point can fight the elastic force of trigger board when latch bolt is stretched out, and trigger board is pushed to slide into disengagement and stay The contact of tongue component, slow-witted tongue protrude into locking plate and reach lock position.

3. a kind of mechanical trigger-type theftproof lock as claimed in claim 2, is characterized in that

Lock bottom case is slidably mounted on by guide groove in the middle part of the trigger board, triggering end is made of inclined-plane and locking surface, is passed through Being slidably matched of trigger point and inclined-plane makes trigger board occur lateral displacement, stop when trigger point to locking surface；

The triggering end of the trigger board applies elastic force by torsional spring, and the torsional spring is installed on torsional axis, and one end spring arm is hung It connects on lock body, the triggering end mounting of other end spring arm and trigger board.

4. a kind of mechanical trigger-type theftproof lock as described in claim 1, is characterized in that

It is linked between the main jam plate and latch bolt component by latch bolt plectrum, the latch bolt plectrum is by door knob hand-drive control System, with handle linkage portion, latch bolt retainer, latch bolt solution lock section and main jam plate linkage portion；The mainboard plate and slow-witted tongue component Between be linked by slow-witted tongue plectrum；The slow-witted tongue plectrum is rotatablely installed by riveting axis in lock body, is unlocked with slow-witted tongue Portion and main jam plate linkage portion.

5. a kind of mechanical trigger-type theftproof lock as described in claim 1, is characterized in that

The main jam plate drives it to make reciprocal linear movement in lock body by driving unit, according to the difference of moving direction, has Lock position and unlocked position；It is respectively equipped on main jam plate and is dialled with the main jam plate latch bolt linkage portion of latch bolt plectrum linkage, with slow-witted tongue The main jam plate of piece linkage stays tongue linkage portion and stays tongue solution lock section with the main jam plate of slow-witted tongue locking plate linkage.

6. a kind of mechanical trigger-type theftproof lock as described in claim 1, is characterized in that

The driving unit includes handle driving unit, key actuated unit and electric drive list according to the difference of driving method Member；It is also each configured on the main jam plate corresponding to the electric opening control terminal of electric opening function and is linked with key shifting block Key open control terminal.

7. a kind of mechanical trigger-type theftproof lock as described in claim 1, is characterized in that

The latch bolt component is pressed inside lock body by latch bolt spring, has the locking position being fully inserted into inside locking plate The initial position that partially stretches out after setting, being fully retracted to the unlocked position of lock body and unlocking；The latch bolt component includes having The latch bolt ontology of bar portion and head, latch bolt spring is between bar portion and lock body, and elasticity is pressed with one tiltedly on the latch bolt ontology The head of tongue core, the latch bolt core is slope angle structure, by pressure spring elastic connection between its underpart and the latch bolt body head；Institute The tail portion for stating latch bolt core is used as around pressure side press fitting on the latch bolt ontology, at the latch bolt core slope angle structure back side preset distance Equipped with a card corner structure, initial position after being unlocked, the card corner structure and lock panel are clamped, and stretch out latch bolt can only partially； Lock position after shutdown, card corner structure deviates from lock panel while latch bolt core head is pressed into locking plate, in latch bolt spring Under effect, latch bolt is fully extended；In unlocked position, latch bolt plectrum pulls latch bolt to be fully retracted to lock body.

8. a kind of mechanical trigger-type theftproof lock as described in claim 1, is characterized in that

The slow-witted tongue component elasticity press fitting has the lock position being fully inserted into inside locking plate and locks back completely inside lock body To the intracorporal unlocked position of lock；The slow-witted tongue component is had tongue, is driven by staying the driving of tongue plectrum with the plectrum for controlling its retraction Portion, the retainer with the cooperation of slow-witted tongue locking rod to keep it to stretch out, and in the initial state by trigger board locking, at closing time The triggering retainer disengaged with trigger board；The slow-witted tongue locking rod is rotatablely installed by torsional spring in lock body and under elastic reaction Keep the locking with the slow-witted tongue component retainer.