CN105442956B - A kind of safety door latch - Google Patents
A kind of safety door latch Download PDFInfo
- Publication number
- CN105442956B CN105442956B CN201510947061.3A CN201510947061A CN105442956B CN 105442956 B CN105442956 B CN 105442956B CN 201510947061 A CN201510947061 A CN 201510947061A CN 105442956 B CN105442956 B CN 105442956B
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- China
- Prior art keywords
- dead bolt
- latch
- locking
- lock
- triggering
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
- E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0006—Devices for aligning wing and frame; Anti-rattling devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
- E05B15/101—Spring-retracted bolts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
- E05B15/108—Bolts with multiple head
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of safety door latch, its lockable mechanism includes being rotatably installed in the latch-up structure that dead bolt is installed, and one end of latch-up structure towards dead bolt forms bending sticking department；It is located on the door lock bottom plate or cover plate and length direction locking projections consistent with the glide direction of dead bolt component；The locking bias piece for the locking biasing force for making latch-up structure be rotated towards locking projections is applied with to latch-up structure；It is slidably mounted on the unlocking board on dead bolt installing plate, formed on unlocking board and pass through for latch-up structure and be in accommodating chamber therein, latch-up structure is rotatably installed on dead bolt installing plate by one installation axle through accommodating chamber, the unblock rack being engaged with drive mechanism on unlocking board；And it is applied with the slip biasing force for making unlocking board towards the slip biasing force for locking out direction slip of dead bolt component all the time to unlocking board.
Description
Technical field
The present invention relates to door lock field, and in particular to a kind of safety door latch.
Background technology
At present, mechanical lock after being unlocked automatic lock out mechanism and has been suggested, and is lock out automatically in mechanism existing, all
The actuation means of bolt extending control mechanism are provided with, for further controlling dead bolt component to lock out motion.Chinese patent literature
CN201362993Y discloses a kind of actuation means for locking out control unit in control structure, with along perpendicular to lock housing panel
The actuator lever that direction is set and the reset biasing member for making actuator lever be resetted after control action is completed；Actuator lever passes through
One fulcrum is pivotally mounted in lock housing；Actuator lever includes actuating contact, integrated structure and release structure.During use,
At closing time, when the door leaf and door frame contact of door lock, one end with roller and the door frame contact of the actuator lever of panel is protruded from, is caused
Lever is in the plane of door leaf moving parallel, around branch spot wobble, to drive the original shoulder type part for deviating from control unit and control
Part is meshed.When roller is traveled further between doorframe and door leaf, doorframe thrust roller and the bias for overcoming biasing member
Power, makes actuator lever drive control unit to vertically move, makes control unit to control the action of associated components, so as to control dead bolt structure
Part stretches out, and completes process of locking.
A kind of actuation means for locking out control unit in control structure described in above-mentioned patent document, pass through the end of actuator lever
The control unit control that end one pivoting of control is arranged in lock housing lock out brake component to realize locking out for dead bolt component.Should
Although the actuation means arrangement of kind of structure gets up comparison flexibly, clearance spaces non-key in lock housing can be utilized.But this is special
Actuation means described in sharp document have the following disadvantages：, will after the unblock of dead bolt component after actuation means are triggered
It lock out immediately；But in daily life in door closing procedure, door lock and doorframe will not be closed disposably in place, such case
Under, actuation means can be triggered, but the dead bolt of door lock is not aligned in the dead bolt hole on doorframe, the meeting but dead bolt component remains unchanged
Be unlocked and lock out immediately so that dead bolt hits with doorframe, thus cause dead bolt be damaged, influence door lock performance and
Service life, and dead bolt is easily damaged and scratch doorframe.
The content of the invention
Therefore, the technical problems to be solved by the invention are of the prior art after actuation means are triggered, lock
Will be lock out immediately after the unblock of tongue component, cause door lock and doorframe it is not closed in place when, it is unnecessary that dead bolt can occur with doorframe
Hit, so that dead bolt is impaired and influences the performance and service life of door lock；And then offer one kind can be to the main dead bolt
Carry out temporary locking, it is to avoid door lock and doorframe it is not closed in place when dead bolt and doorframe occur unnecessary shock, prevent dead bolt
Impaired safety door latch.
In order to solve the above technical problems, a kind of safety door latch of the present invention, it includes
Dead bolt component, including the dead bolt that is arranged in lock housing and the dead bolt mounting bracket for installing the dead bolt；Wherein,
Direction of the dead bolt component along the front panel perpendicular to lock housing is moved back and forth, and it has retracted mode and lock out state；
Lockable mechanism, carries out locking, it acts on the dead bolt to the dead bolt component for stretching out state or retracted mode
Latch-up structure on component；And
The dead bolt component of the driving after stretching state and unblock stretches out the lock housing to the driving machine for the state that lock out
The trigger mechanism that structure and the triggering dead bolt component are lock out automatically；
The lockable mechanism includes
It is rotatably installed in the latch-up structure that the dead bolt is installed, the latch-up structure is towards one end of the dead bolt
Form bending sticking department；
It is located on the door lock bottom plate or cover plate and length direction lock consistent with the glide direction of the dead bolt component
Fixed projection；
It is applied with to the latch-up structure locking biasing force for making the latch-up structure be rotated towards the locking projections
Lock bias piece；Wherein, during retracted mode, the bending sticking department of the latch-up structure is in the effect for locking bias piece
The lower afterbody with the locking projections offsets, and when locking out state, the bending sticking department of the latch-up structure is in the locking
Hook and close with the end of the locking projections in the presence of bias piece；
It is slidably mounted on the unlocking board on the dead bolt installing plate, the unlocking board to form and is worn for the latch-up structure
Cross and be in accommodating chamber therein, the latch-up structure is rotatably installed in the dead bolt through the accommodating chamber and pacified by an installation axle
Fill on plate,
The unblock rack being engaged with the drive mechanism on the unlocking board；And
The unlocking board is applied with all the time makes the cunning that lock out direction slip of the unlocking board towards the dead bolt component
The slip biasing force of dynamic biasing force；
During enabling, the drive mechanism overcomes the slip bias piece by unlocking board described in the unblock rack drives
Biasing force is slided towards slip in the lock housing, causes the inwall of the accommodating chamber to be locked with the bending of the latch-up structure
Portion offsets, and make the latch-up structure overcome it is described locking bias piece locking biasing force occur reversely rotate and with the locking
Projection separation, after releasing the latch-up structure to the locking of the dead bolt component, the unlocking board and the dead bolt installing plate exist
The dead bolt is slid into the presence of the drive mechanism into the lock housing together to retract in the lock housing, is realized and is opened the door；
The trigger mechanism includes：
Frame is triggered, can be stretched out along dead bolt or retracted orientation is arranged in lock housing with moving；
Structure of contact terminal, can stretch out along the dead bolt or retracted orientation is arranged in the dead bolt with moving, be switched by door leaf
Action influence drives the triggering frame to be moved towards the dead bolt retracted orientation；
Unlocking structure is triggered, the triggering frame is arranged on close to one end of latch-up structure, the triggering frame is towards the lock
When being retracted in shell, the triggering unlocking structure triggers the latch-up structure, and the latch-up structure releases the locking to door lock, described
Dead bolt is lock out downwards automatically in the drive of dead bolt installing plate；
First bias piece, the triggering frame is applied with all the time makes the triggering frame multiple with direction is stretched out towards the dead bolt
First biasing force of the operation trend of position；
Also include the intelligent locking structure being installed in rotation on the bottom plate of the lock housing or panel, the intelligent locking
Structure can carry out temporary locking to the latch-up structure after unblock under the driving of the triggering frame or release temporary locking；When
When the structure of contact terminal is hit by doorframe, the triggering frame is retracted latch-up structure unblock described in the lock housing internal trigger, and with drive
Move the intelligent locking structure and temporary locking is carried out to the latch-up structure, the dead bolt is not lock out；When first bias piece
When the driving triggering frame is lock out, the triggering frame drives the intelligent locking structure to release the interim lock to the latch-up structure
Fixed, the dead bolt is lock out downwards automatically in the drive of the dead bolt installing plate.
The cavity shape of the accommodating chamber is similar to the outer contour shape of the latch-up structure.
The locking projections are included in the state of locking out and hook the first locking projections closed with the latch-up structure, and are retracting
The second locking projections that state offsets with the latch-up structure.
The locking bias piece is set to the first extension spring, and one end of first extension spring is fixed on the dead bolt installing plate/institute
State on unlocking board, the other end of first extension spring is connected with the tail end of the latch-up structure.
The slip bias piece is set to the second extension spring, and one end of second extension spring is fixed on the dead bolt installing plate,
The other end of second extension spring is fixed on the unlocking board, and the force direction and the unlocking board of second extension spring
Glide direction it is consistent.
The intelligent locking structure includes
It is installed in rotation on the intelligent locking part on the bottom plate of the door lock or panel；Wherein, the intelligent locking part
Groove is formed towards one end of the triggering frame, when the triggering frame is retracted, the embedded division of the triggering frame slips into described lead to
In groove；
And the intelligent locking part, which is applied with, makes the intelligent locking part described logical with the embedded division is deviate from
Second bias piece of the second biasing force of the movement tendency of groove；Wherein, the biasing force of first bias piece is more than described second
The biasing force of bias piece.
The intelligent locking part is rotatably arranged on the door close to one end end of the front panel by a pivot
Lock, the intelligent locking part is molded the limiting section of the bottom plate perpendicular to the door lock close to the side of the triggering frame, described
The groove is formed between limiting section and the pivot；When the triggering frame is retracted, the triggering unlocking structure triggers the lock
Determine structure unblock, the embedded division of the triggering frame slip into the groove drive the intelligent locking part rotate to the lock
Determine structure to offset, the latch-up structure is by temporary locking, and the dead bolt is not lock out；The triggering frame is in first bias piece
It is lock out under partial pressure, the embedded division is deviate from from the groove and the intelligent locking part is released to the locking
The temporary locking of structure, the dead bolt is lock out under the drive of the dead bolt installing plate.
The suitable limiting section is also formed between the embedded division and the triggering unlocking structure on the triggering frame
The opening chute slid into and out.
The structure of contact terminal includes being molded on the triggering frame and the trigger wheel in the inner chamber positioned at the dead bolt, institute
Stating trigger wheel can be lock out or be retracted by the through hole being molded on the dead bolt inner chamber of the dead bolt；First bias piece is set
To be applied with the reduction torsion spring of biasing force on the dead bolt installing plate and to the triggering frame.
Triggering unlocking structure is set to be molded over inclined-plane of the triggering frame on one end end of latch-up structure.
Also include locking out and guide frame that retraction movement is oriented to the triggering frame.
The guide frame includes the guide finger/guide groove being molded on the dead bolt installing plate, and is molded over described
Trigger the guide groove/guide finger that can be engaged with the guide finger/guide groove on frame.
The guide groove is set to the bar-shaped trough being molded on the triggering frame, and the length direction of the bar-shaped trough is touched with described
The direction of motion for sending out frame is consistent；The guide finger is molded on the dead bolt installing plate, and in the drive of the dead bolt installing plate
Under reciprocatingly slided in the bar-shaped trough.
Second bias piece is set to be arranged in the lock housing is applied with the second bias all the time to the intelligent locking part
The back-moving spring of power.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art：
In the present invention, the intelligent locking structure can carry out temporary locking to the dead bolt；That is, when described
When structure of contact terminal is hit by doorframe, the bending locking of latch-up structure described in the triggering frame retraction lock housing inner impact
Portion, and make the latch-up structure overcome the locking biasing force direction of the locking bias piece to depart from the side of the locking projections
To rotation, the latch-up structure separates the locking released to the dead bolt component with the locking projections, and the triggering frame drives
Move the intelligent locking structure and temporary locking is carried out to the latch-up structure, now because the structure of contact terminal fails to lock out, make
Obtain the intelligent locking structure and the dead bolt is maintained at retracted mode so that the dead bolt will not be lock out immediately, so as to avoid
The dead bolt hits with doorframe；When door lock and doorframe are closed in place, work of the triggering frame in first bias piece
Drive the structure of contact terminal to lock corresponding lockhole on doorframe with lower, and the intelligent locking structure is released to the locking knot
The temporary locking of structure, the dead bolt could be lock out under the drive of the dead bolt installing plate；In summary, the present invention can be in door lock
With doorframe it is not closed in place when avoid the dead bolt from locking out the shock again with doorframe, prevent the dead bolt because it is insignificant hit
And impaired and dead bolt is damaged and scratch doorframe.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, specific embodiment and combination below according to the present invention
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the trigger mechanism schematic diagram described in embodiment 1；
Fig. 2 is the intelligent locking structural representation described in embodiment 1；
Fig. 3 is the view of closing the door described in embodiment 1；
Fig. 4 is the door opening state schematic diagram described in embodiment 1；
Fig. 5 is the triggering frame temporary locking schematic diagram described in embodiment 1；
Fig. 6 is the handle axle schematic diagram described in embodiment 2；
Fig. 7 is the handle actuator schematic diagram described in embodiment 2；
Fig. 8 is the insurance impeller schematic diagram described in embodiment 2；
Fig. 9 is the rotation seat schematic diagram described in embodiment 2；
Figure 10 is the safety plate schematic diagram described in embodiment 2；
Figure 11 is to lock out state door lock handle device schematic diagram described in embodiment 2；
Figure 12 is the retracted mode door lock handle device schematic diagram described in embodiment 2；
Figure 13 is to lock out state door lock schematic diagram described in embodiment 2；
Figure 14 is the retracted mode door lock schematic diagram described in embodiment 2；
Reference is expressed as in figure：1- triggers frame；2- structure of contact terminals；3- triggers unlocking structure；4- dead bolts；5- dead bolts are pacified
Fill plate；The bias pieces of 6- first；7- intelligent locking parts；8- embedded divisions；10- pivots；11- limiting sections；12- guide fingers；13- is oriented to
Groove；14- latch-up structures；The locking projections of 15- first；The locking projections of 16- second；17- locks bias piece；18- bending sticking departments；
19- unlocking boards；20- accommodating chambers；21- installation axles；22- tapered end gears；23- slides bias piece；A1- handle axles；A2- handles are stirred
Part；A3- handle actuators；A4- the first idle running grooves；A5- insures impeller；A6- the second idle running grooves；A7- protective bias parts；a9-
Rack；A10- rotation seats, a11- circumference tooth oral areas point；A12- grooves；A13- safety plates；A14- rounded portions；A15- extensions；
A16- is oriented to skewed slot；A17- guide fingers；A18- rotation sections；A19- embedded divisions；A22- disc springs；A24- arc gear wheels；A25- is unlocked
Rack；A26- first gears；A27- second gears；A28- bar holes
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Embodiment 1
As Figure 1-5, a kind of safety door latch of the present embodiment, it includes
Dead bolt component, including the dead bolt 4 that is arranged in lock housing and the dead bolt mounting bracket 5 for installing the dead bolt 4；Its
In, direction of the dead bolt component along the front panel perpendicular to lock housing is moved back and forth, and it has retracted mode and lock out state；
Lockable mechanism, carries out locking, it acts on the dead bolt to the dead bolt component for stretching out state or retracted mode
Latch-up structure 14 on component；And
The dead bolt component of the driving after stretching state and unblock stretches out the lock housing to the driving machine for the state that lock out
The trigger mechanism that structure and the triggering dead bolt component are lock out automatically；；
The lockable mechanism includes
It is rotatably installed in the latch-up structure 14 that the dead bolt is installed, the latch-up structure 14 is towards the dead bolt 4
One end form bending sticking department 18；
It is located on the door lock bottom plate or cover plate and length direction lock consistent with the glide direction of the dead bolt component
Fixed projection；
The locking bias for making the latch-up structure 14 be rotated towards the locking projections is applied with to the latch-up structure 14
The locking bias piece 17 of power；Wherein, during retracted mode, the bending sticking department 18 of the latch-up structure 14 is inclined in the locking
Afterbody in the presence of casting die 17 with the locking projections offsets, when locking out state, the bending lock of the latch-up structure 14
Determine end of the portion 18 with the locking projections in the presence of the locking bias piece 17 and hook conjunction；
It is slidably mounted on the unlocking board 19 on the dead bolt installing plate 5, the unlocking board 19 and forms for the locking
Structure 14 is passed through and in accommodating chamber 20 therein, and an installation axle 21 rotates the latch-up structure 14 through the accommodating chamber 20
On the dead bolt installing plate 5,
The unblock rack a25 being engaged with the drive mechanism on the unlocking board 19；And
The unlocking board 19 is applied with all the time slides the direction that lock out of the unlocking board 19 towards the dead bolt component
Slip biasing force slip biasing force；
During enabling, the drive mechanism drives the unlocking board 19 to overcome described slide partially by the unblock rack a25
The slip biasing force of casting die 23 causes the inwall and the latch-up structure 14 of the accommodating chamber 20 towards slip in the lock housing
The bending sticking department 18 offsets, and it is anti-to make the latch-up structure 14 overcome the locking biasing force of the locking bias piece 17 to occur
Separate to rotation and with the locking projections, after the locking for releasing 14 pairs of the latch-up structure dead bolt component, the unblock
Plate 19 and the dead bolt installing plate 5 slide into the dead bolt 4 into the lock housing together in the presence of the drive mechanism and contracted
The lock housing is returned, realizes and opens the door；
The trigger mechanism includes：
Frame 1 is triggered, can be stretched out along dead bolt 4 or retracted orientation is arranged in lock housing with moving；
Structure of contact terminal 2, can stretch out along the dead bolt 4 or retracted orientation is arranged in the dead bolt 4 with moving, be opened by door leaf
Pass action influence drives the triggering frame 1 to be moved towards the retracted orientation of dead bolt 4；
Unlocking structure 3 is triggered, the triggering frame 1 is arranged on close to one end of latch-up structure 14, the triggering frame 1 is towards institute
When stating retraction in lock housing, the triggering unlocking structure 3 triggers the latch-up structure 14, and the latch-up structure 14 is released to door lock
Locking, the dead bolt 4 is lock out downwards automatically in the drive of dead bolt installing plate 5；
First bias piece 6, the triggering frame 1 is applied with all the time makes the triggering frame 1 have towards the side of stretching of dead bolt 4
To the first biasing force of the operation trend of reset；
Also include the intelligent locking structure being installed in rotation on the bottom plate of the lock housing or panel, the intelligent locking
Structure can carry out temporary locking to the latch-up structure 14 after unblock under the driving of the triggering frame 14 or release interim lock
It is fixed；When the structure of contact terminal 2 is hit by doorframe, the triggering frame 1 latch-up structure 14 described in the lock housing internal trigger of retracting is solved
Lock, and with driving the intelligent locking structure to carry out temporary locking to the latch-up structure 14, the dead bolt 4 is not lock out；Work as institute
The first bias piece driving triggering frame is stated when locking out, the triggering frame drives the intelligent locking structure to release to the locking
The temporary locking of structure 14, the dead bolt 4 is lock out downwards automatically in the drive of the dead bolt installing plate 5.
In the present embodiment, the intelligent locking structure can carry out temporary locking to the dead bolt 4；That is, working as
When doorframe is pressed with door lock, the bending lock of latch-up structure 14 described in the compression of triggering frame 14 retraction lock housing inner impact
Determine portion 18, and make the latch-up structure 14 overcome the locking biasing force direction of the locking bias piece 17 to depart from the locking
Raised direction rotates, and the latch-up structure 14 separates the locking released to the dead bolt component with the locking projections, described
Triggering frame 14 is combined during retraction with the intelligent locking structure, and the intelligent locking structure is locked to the dead bolt 4
The temporary locking of outgoing direction, now because the structure of contact terminal 14 fails to lock out so that the intelligent locking structure is by the lock
Tongue 4 is maintained at retracted mode so that the dead bolt 4 will not be lock out immediately, so as to avoid the dead bolt 4 from being hit with doorframe；
When door lock and doorframe are closed in place, the triggering frame 14 drives the structure of contact terminal 2 in the presence of first bias piece 6
Corresponding lockhole on doorframe is locked, and the intelligent locking structure is released the temporary locking to the latch-up structure 14, it is described
Dead bolt 4 could be lock out under the drive of the dead bolt installing plate 5；In summary, the present embodiment can be not closed with doorframe in door lock
Avoid the dead bolt 4 to lock out the shock again with doorframe when in place, prevent the dead bolt 4 to be damaged because of insignificant shock, from
And ensure the performance of door lock, extend the service life of door lock, while preventing dead bolt 4 from damaging and scratch doorframe.
The cavity shape of the accommodating chamber 20 is similar to the outer contour shape of the latch-up structure 14.
The locking projections are included in the state of locking out and hook the first locking projections 15, Yi Ji closed with the latch-up structure 14
The second locking projections 16 that retracted mode offsets with the latch-up structure 14.
The locking bias piece 17 is set to the first extension spring, and one end of first extension spring is fixed on the dead bolt installing plate 5/
On the unlocking board 19, the other end of first extension spring is connected with the tail end of the latch-up structure 14.
The slip bias piece 23 is set to the second extension spring, and one end of second extension spring is fixed on the dead bolt installing plate 5
On, the other end of second extension spring is fixed on the unlocking board 19, and the force direction of second extension spring with it is described
The glide direction of unlocking board 19 is consistent.
In the present embodiment, the structure of contact terminal 2 includes being molded on the triggering frame 1 and interior positioned at the dead bolt 4
Trigger wheel in chamber, the trigger wheel can be lock out or be retracted in the dead bolt 4 by the through hole being molded on the dead bolt 4
Chamber；First bias piece 6 is set to be arranged on the dead bolt installing plate 5 and is applied with the first bias piece 6 to the triggering frame 1
Reduction torsion spring.
Further, as shown in Fig. 2 the intelligent locking structure of the present embodiment includes
It is installed in rotation on the intelligent locking part 7 on the bottom plate of the door lock or panel；Wherein, the intelligent locking part
7 form groove towards one end of the triggering frame 1, and when the triggering frame 1 is retracted, the embedded division 8 of the triggering frame 1 slips into institute
State in groove；
And the intelligent locking part 7, which is applied with, makes the intelligent locking part 7 described with the embedded division 8 is deviate from
Second bias piece of the second biasing force of the movement tendency of groove；Wherein, second biasing force of first bias piece 6 is big
In the first biasing force biasing force of second bias piece.
Specifically, the present embodiment preferably second bias piece, which is provided with, is arranged in the lock housing to the intelligent locking part
7 are applied with the back-moving spring of the second biasing force all the time.
The intelligent locking part 7 is rotatably arranged on described close to one end end of the front panel by a pivot 10
On door lock, the intelligent locking part 7 is molded the limiting section of the bottom plate perpendicular to the door lock close to the side of the triggering frame 1
11, form the groove between the limiting section 11 and the pivot 10；When the triggering frame 1 is retracted, the triggering unblock knot
Structure 3 triggers the latch-up structure 14 and unlocked, and the embedded division 8 of the triggering frame 1 slips into the groove and drives the smart lock
Determine part and rotate to the latch-up structure 14 to offset, the latch-up structure 14 is by temporary locking, and the dead bolt 4 is not lock out；It is described
Triggering frame 1 is lock out under the partial pressure of first bias piece 6, the embedded division 8 is deviate from and is made from the groove
The intelligent locking part 7 releases the temporary locking to the latch-up structure 14, band of the dead bolt 4 in the dead bolt installing plate 5
It is lock out under dynamic.
In the present embodiment, when the door leaf and the doorframe are closed, the compression of triggering frame 1 retraction lock housing
It is interior, and during retraction, the embedded division 8 of the triggering frame 1 is slipped between the pivot 10 and the limiting section 11
The groove, and under the second partial pressure of second bias piece, the embedded division 8 and the limiting section
11 offset and the triggering frame 1 lock out the monodirectional locking in direction, and the triggering frame 1 further contracts under external compression
Return so that the triggering unlocking structure 3 triggers the latch-up structure 14, and the latch-up structure 14 releases the lock to the door lock
Fixed, the dead bolt installing plate 5 drives the dead bolt 4 and the triggering frame 1 simultaneously towards direction motion is lock out, and moves certain distance
The embedded division 8 skids off the chute and separated with the intelligent locking structure 14 afterwards, and then the triggering frame 1 is inclined described first
In the presence of the bias piece of casting die 6, the structure of contact terminal 2 is set to lock out the dead bolt 4.
Also formed between the embedded division 8 and the triggering unlocking structure 3 on the triggering frame 1 suitable described spacing
The opening chute that portion 11 slides into and out, the notch of the opening chute forms inclined-plane, consequently facilitating driving the limiting section to slide
Enter or skid off.
One end end of the intelligent locking part 7 towards the latch-up structure 14, which is also molded, to be suitable to and the latch-up structure 14
The bending part offseted.
On the basis of above-described embodiment, the present embodiment also includes locking out and retraction movement progress to the triggering frame 1
The guide frame of guiding.Wherein, the guide frame includes the guide groove of guide finger 12/ being molded on the dead bolt installing plate 5
13, and the guide finger of guide groove 13/ that can be engaged with the guide groove 13 of guide finger 12/ being molded on the triggering frame 1
12.The present embodiment preferably guide groove 13 is set to the bar-shaped trough being molded on the triggering frame 1, the length side of the bar-shaped trough
To with it is described triggering frame 1 the direction of motion it is consistent；The guide finger 12 is molded on the dead bolt installing plate 5, and in the lock
Reciprocatingly slided under the drive of tongue installing plate 5 in the bar-shaped trough.
The drive mechanism is set to the lock head device opened by key, it includes turning with key in the present embodiment
Dynamic tapered end gear 22, the tapered end and the unblock rack a25；Wherein, the length direction of the unblock rack a25 with it is described
The glide direction of dead bolt component is consistent.
The specific switch gate process of safety door latch described in the present embodiment is as follows：
During enabling, the tapered end gear 22 is rotated under the drive of the key, the unblock rack a25 engaged
Drive the slip biasing force that the unlocking board 19 overcomes the slip bias piece 23 towards slip in the lock housing, cause the appearance
The inwall of chamber 20 of receiving offsets with the bending sticking department 18 of the latch-up structure 14, and it is described to overcome the latch-up structure 14
The locking biasing force of locking bias piece 17 occurs to reversely rotate and separate with the locking projections, releases 14 pairs of the latch-up structure
After the locking of the dead bolt component, the unlocking board 19 and the dead bolt installing plate 5 in the presence of the drive mechanism together
The dead bolt 4 is slid into the lock housing to retract in the lock housing, is realized and is opened the door；
At closing time, triggering frame 1 latch-up structure 14 described in the lock housing internal trigger of retracting is unlocked, and with driving the intelligence
Energy latch-up structure carries out temporary locking to the latch-up structure 14, and the dead bolt 4 is not lock out；When first bias piece drives institute
Triggering frame is stated when locking out, the triggering frame drives the intelligent locking structure to release the temporary locking to the latch-up structure 14,
The dead bolt 4 is lock out downwards automatically in the drive of the dead bolt installing plate 5, and realization is closed the door.
Embodiment 2
As shown in Fig. 6-14, on the basis of embodiment 1, the drive mechanism of the present embodiment also includes handle structure,
The handle structure includes handle axle a1, the handle shifting part a2 being set on the handle axle a1 and can dialled in the handle
The handle actuator a3 that door lock is retracted under moving part a2 drive；The suitable handle is formed on the handle actuator a3 to stir
Part a2 is passed through and the first idle running groove a4 of the inside；, the other end of the handle actuator a3 is provided with arc gear wheel a24；Also
Including
On door lock bottom plate or cover plate, side and the intermeshing idler gears of arc gear wheel a24；And
It is located on the unlocking board 19, the intermeshing unblock rack a25, the solution of opposite side with the idler gear
Lock rack a25 length direction and dead bolt 4 to lock out retracted orientation consistent；
The handle axle is rotated, the handle actuator a3 rotates in the presence of the handle shifting part, the arc
Gear a24 drives the idler gear engaged to rotate, unblock rack a25 bands in the presence of the idler gear
Move the dead bolt installing plate 5 and lock out direction or retracted orientation slip to the dead bolt 4, the dead bolt 4 lock out or retracted.
In the present embodiment, the handle actuator a3 rotates in the presence of the handle shifting part, the arc gear wheel
A24 drives the idler gear engaged to rotate, and the unblock rack a25 drives institute in the presence of the idler gear
State dead bolt installing plate 5 and lock out direction or retracted orientation slip to the dead bolt 4, the dead bolt 4 lock out or retracted；I.e. whole
All it is to carry out moving transmission by the intermeshing between gear and gear/rack, it is relative to existing in motion process
Technology in simple one side and one side cooperation transmission for, transmission stability is strong, is not in driving error.
Specifically, the handle actuator a3 is in " V " type structure, and its one end is provided with the arc gear wheel a24, and the other end is set
There is the first idle running groove.
Wherein, the idler gear includes the first gear a26 that is engaged with the arc gear wheel a24, and with the solution
Lock the second gear a27 of rack a25 engagements；Wherein described first gear a26 and the second gear a27 are coaxially disposed.
The bar hole that to lock out retracted orientation consistent of length direction and the dead bolt 4 is formed on the dead bolt installing plate 5
a28；Wherein, the length of the bar hole a28 is equal to the unidirectional sliding stroke of the dead bolt 4, and a jackshaft passes through the bar shaped
The idler gear is fixed on the door lock bottom plate or cover plate by hole a28.
Further, the present embodiment also includes safety structure, and the safety structure includes
Insure impeller a5, the suitable handle shifting part a2 is formed with thereon and is passed through and the second idle running groove of position in the inner
A6, wherein, the first idle running groove a4 and the second idle running groove a6 superpositions are set, and the notch institute of the first idle running groove a4
Corresponding arc length is more than the arc length corresponding to the notch of the second idle running groove a6；
Safety lock structure, lock is locked or is released to dead bolt installing plate 5 in the presence of the insurance impeller a5
It is fixed.
In the present embodiment, the safety lock structure in the safety structure can be in the work for insuring impeller a5
Dead bolt installing plate 5 is locked with lower；That is, after user locks a door indoors, further can be rotated towards direction of locking interior
Handle, makes the interior handle drive the handle axle a1 to rotate, and then causes the insurance impeller a5 to drive the safety lock
Determine structure further to lock the dead bolt installing plate 5；After the safety lock structure latches, even if in outdoor application key
Spoon also will be unable to open at door, so that it is guaranteed that user's personal safety indoors and property safety, improve the use peace of door lock
Quan Xing.
The groove of arc length and the second idle running groove a6 of the present embodiment preferably corresponding to the notch of the first idle running groove a4
Arc length difference between arc length corresponding to mouthful lock out the rotation arc length that the rear safety structure is unidirectionally locked equal to door lock.
The safety structure also includes protective bias part a7, the protective bias part a7 and acts on the insurance impeller a5
On, the protective bias part a7 has the biasing force of two extreme positions, respectively the first biasing force and the second biasing force；Institute
State insurance impeller a5 with the handle shifting part a2 towards the safety lock structure lock direction rotate predetermined angle when, institute
Stating first biasing force of protective bias part a7 generations makes the insurance impeller a5 have all the time towards direction rotation of locking
Movement tendency；Turn in the insurance impeller a5 with the handle shifting part a2 towards the unlocking direction of the safety lock structure
During dynamic predetermined angle, second biasing force that the protective bias part a7 is produced makes the insurance impeller a5 have court all the time
The movement tendency rotated to unlocking direction；The protective bias part a7 of the present embodiment setting can be by the insurance impeller
A5 is maintained at two extreme positions, so as to ensure that the insurance impeller a5 can be smoothly timely by the safety lock structure
Lock into place is unlocked in place.
Specifically, the safety lock structure includes
It is arranged on the rack a9 on the dead bolt installing plate 5；
Be formed with the rotation seat a10, the rotation seat a10 being slidingly connected with the handle axle a1 all the time with the rack
Groove a12 is additionally provided with circumferential tooth oral area point a11, the rotation seat a10 of a9 engagements, as shown in Figure 4；And
The rotatable safety plate a13 in door lock lock housing, the insurance impeller a5 is in the first fit structure
The driving safety plate a13 under coordinating is embedded in or deviate from the groove a12.
The rotation seat a10 is to be provided with disc spring a22 on disc spring seat, disc spring seat in the present embodiment, disc spring a22
I.e. rotation seat a10 described to the disc spring seat is applied with all the time makes the rotation seat a10 tools have by the rack a9
The dead bolt installing plate 5 is driven towards the movement tendency for locking out direction motion.
As shown in Figure 10, the insurance impeller a5 includes the rounded portions a14 being coaxially arranged with the handle axle a1, and
The extension a15 radially extended；The extension a15 is connected by first fit structure with the safety plate a13.
First fit structure includes the guiding skewed slot a16/ guide finger a17 being molded on the insurance impeller a5,
And it is molded over can be led with the guiding skewed slot a16/ guide fingers a17 guide finger a17/ being engaged on the safety plate a13
Down fold a16；The present embodiment preferably first fit structure is set to the guiding skewed slot a16 and guide finger a17, and it is tied
Structure is simple, it is easy to processing and fabricating, and transmission efficiency and transmission accuracy are high.
Specifically, as shown in Figure 10, the safety plate a13 includes the rotation section a18 being set in the first fixing axle and can
The embedded division a19 being engaged with the groove a12；Wherein, the rotation section a18 and embedded division a19 formation " 7 " font knot
The guiding that can be engaged with the guide finger a17 is formed on structure, and the rotation section a18 oblique.I.e. in the present embodiment,
When the insurance impeller a5 under the drive of the handle shifting part a2 towards insurance lock direction move to extreme position when, institute
The end that guide finger a17 also moves into the guiding skewed slot a16 is stated, so that the embedded division a19 is embedded in the groove a12,
And then fix the rotation seat a10, and point a11 of the circumferential tooth oral area on the rotation seat a10 is by described in engaging
Rack a9 securely fixes the dead bolt installing plate 5, finally prevents outside unlocking.
The handle shifting part a2 is set to the polygon shaft coaxial with the handle axle a1, the edges and corners of the polygon shaft
In in the first idle running groove a4 and the second idle running groove a6, the first idle running groove a4 and the second idle running groove a6
Number is consistent with the number of the corner angle of the polygon shaft, and is set around the axle center of the handle axle a1.
The polygon shaft is set to square shaft, and the first idle running groove a4 and the second idle running groove a6 number are all set to four
It is individual.
The first idle running groove a4 and the second idle running groove a6 are set to deep-slotted chip breaker, and the first idle running groove a4 and institute
The cell wall for stating the second idle running groove a6 is in " eight " font outer expanding shape, and the cell wall gradient be adapted to the side of the square shaft with
The trough wall surface contact.
Two cell walls of the first idle running groove a4 extend out radian be more than the second idle running groove a6 two institutes
That states cell wall extends out radian.
The second fixing axle that the protective bias part a7 is set in double hook torsion spring, one end and lock housing of the double hook torsion spring is consolidated
Fixed connection, the other end of the double hook torsion spring is fixedly connected with the insurance impeller a5.
The concrete operating principle of the present embodiment is as follows：
1st, lock process
At closing time, after the trigger mechanism of door lock collides doorframe, the trigger mechanism causes the latch-up structure of door lock to release
Locking to door lock, then the rotation seat a10 pass through the rack a9 in the presence of the disc spring a22 and drive the dead bolt
Installing plate 5 is towards direction motion is lock out, and at the same time, the unblock rack a25 on the dead bolt installing plate 5 passes through
The idler gear drives the handle actuator a3 to do corresponding rotation, and then drives the lock bolt structure of door lock to lock out, so that complete
Into the process of locking of door lock；Now, the interior handle is rotated towards direction of locking, the interior handle drives the handle axle a1 to turn
Dynamic, the handle shifting part a2 in the first idle running groove a4 and the second idle running groove a6 is the handle axle a1's
Rotated under drive, but because the arc length corresponding to the notch of the first idle running groove a4 is more than the second idle running groove a6
Notch corresponding to arc length, it is described so when the handle shifting part a2 and the second idle running groove a6 cell wall offset
Cell walls of the handle shifting part a2 not with the first idle running groove a4 offsets, therefore the handle shifting part a2 only drives the guarantor
Dangerous impeller a5 rotations, the insurance impeller a5 drives institute under the cooperation of the guiding skewed slot a16 and guide finger a17
State safety plate a13 towards insurance lock direction motion；When the guide finger a17 moves to the end of the guiding skewed slot a16, institute
The embedded division a19 for stating safety plate a13 is just embedded in the groove a12 of the rotation seat a10, so that by the rotation seat
A10 is locked, and then is locked the dead bolt installing plate 5 by the rack a9 being meshed with the rotation seat a10, so i.e.
Just it also will be unable to open at door in outdoor application key, complete the process of locking of the safety structure, as illustrated in figures 11 and 13.
2nd, releasing process
When needing to open the door, it is necessary first to contact the locking of the safety structure, i.e., rotate and held in described towards unlocking direction
Hand, the interior handle drives the handle axle a1 rotations, in the first idle running groove a4 and the second idle running groove a6
The handle shifting part a2 rotates under the drive of the handle axle a1, but because the notch of the first idle running groove a4
Corresponding arc length is more than the arc length corresponding to the notch of the second idle running groove a6, so the handle shifting part a2 at the beginning
Cell wall only with the first idle running groove a4 offsets, therefore the handle shifting part a2 only drives the insurance impeller a5 rotations
Turn, the insurance impeller a5 drives the safety plate a13 under the cooperation of the guiding skewed slot a16 and guide finger a17
Towards insurance unlocking direction motion, so that the safety plate a13 is deviating from from the groove a12, and pushed away in the insurance
The rotation seat a10 is pivoted away under the cooperation of moving part a5 and first fit structure；
After the safety structure is unlocked, continue to rotate the handle axle a1, the handle shifting part a2 towards unlocking direction
Offseted with the cell wall of the first idle running groove a4, drive the handle actuator a3 to rotate, the handle actuator a3 is in
Between gear and unblock rack a25 mutual cooperation drive the dead bolt installing plate 5 towards sliding in the lock housing so that institute
State dead bolt 4 to retract in the lock housing, so as to drive by the handle actuator a3 in the structure retraction lock housing of dead bolt 4 of door lock；
And then whole door opening process is completed, as shown in figures 12 and 14.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. a kind of safety door latch, it includes
Dead bolt component, including the dead bolt (4) that is arranged in lock housing and the dead bolt mounting bracket (5) for installing the dead bolt (4)；
Wherein, direction of the dead bolt component along the front panel perpendicular to lock housing is moved back and forth, and it has retracted mode and lock out state；
Lockable mechanism, locking is carried out to the dead bolt component for stretching out state or retracted mode, and it, which has, acts on the dead bolt
Latch-up structure (14) on component；And
The dead bolt component of the driving after stretching state and unblock stretch out the lock housing to the drive mechanism for the state that lock out and
Trigger the trigger mechanism that the dead bolt component is lock out automatically；
It is characterized in that：The lockable mechanism includes
The latch-up structure (14) on the dead bolt installing plate (5) is rotatably installed in, the latch-up structure (14) is described in
One end of dead bolt (4) forms bending sticking department (18)；
It is located on the door lock bottom plate or cover plate and length direction lock tab consistent with the glide direction of the dead bolt component
Rise；
The locking bias for making the latch-up structure (14) be rotated towards the locking projections is applied with to the latch-up structure (14)
The locking bias piece (17) of power；Wherein, during retracted mode, the bending sticking department (18) of the latch-up structure (14) is described
Afterbody in the presence of locking bias piece (17) with the locking projections offsets, when locking out state, the latch-up structure (14)
The bending sticking department (18) hooks with the end of the locking projections in the presence of the locking bias piece (17) and closed；
It is slidably mounted on the unlocking board (19) on the dead bolt installing plate (5), the unlocking board (19) and forms for the lock
Determine structure (14) to pass through and in accommodating chamber therein (20), an installation axle (21) passes through the accommodating chamber (20) by the locking
Structure (14) is rotatably installed on the dead bolt installing plate (5),
The unblock rack (a25) being engaged with the drive mechanism on the unlocking board (19)；And
The unlocking board (19) is applied with all the time slides the direction that lock out of the unlocking board (19) towards the dead bolt component
Slip biasing force slip bias piece (23)；
During enabling, the drive mechanism drives the unlocking board (19) to overcome described slide partially by the unblock rack (a25)
The slip biasing force of casting die (23) causes the inwall and the latch-up structure of the accommodating chamber (20) towards slip in the lock housing
(14) the bending sticking department (18) offsets, and the latch-up structure (14) is overcome the locking for locking bias piece (17)
Biasing force occurs to reversely rotate and separate with the locking projections, releases lock of the latch-up structure (14) to the dead bolt component
After only, the unlocking board (19) and the dead bolt installing plate (5) are in the presence of the drive mechanism together into the lock housing
Slide into the dead bolt (4) to retract in the lock housing, realize and open the door；
The trigger mechanism includes
Frame (1) is triggered, can be stretched out along dead bolt (4) or retracted orientation is arranged in lock housing with moving；
Structure of contact terminal (2), can be stretched out along the dead bolt (4) or retracted orientation is arranged in the dead bolt (4) with moving, by door leaf
Switch motion influence drives the triggering frame (1) to be moved towards the dead bolt (4) retracted orientation；
Unlocking structure (3) is triggered, the triggering frame (1) is arranged on close to one end of latch-up structure (14), triggering frame (1) court
When being retracted into the lock housing, the triggering unlocking structure (3) triggers the latch-up structure (14), latch-up structure (14) solution
Except the locking to door lock, the dead bolt (4) lock out downwards automatically in the drive of dead bolt installing plate (5)；
First bias piece (6), to it is described triggering frame (1) be applied with all the time make it is described triggering frame (1) have stretched towards the dead bolt (4)
First biasing force of the operation trend that outgoing direction resets；
Also include the intelligent locking structure being installed in rotation on the bottom plate of the lock housing or panel, the intelligent locking structure
The latch-up structure (14) after unblock can be locked or be unlocked under the driving of the triggering frame (1)；At closing time,
The structure of contact terminal (2) is hit by doorframe, latch-up structure (14) solution described in triggering frame (1) retraction lock housing internal trigger
Lock, and with driving the intelligent locking structure to lock the latch-up structure (14), the dead bolt (4) does not lock out；Work as institute
The first bias piece driving triggering frame is stated when locking out, the triggering frame drives the intelligent locking structure to release to the locking
The locking of structure (14), the dead bolt (4) lock out downwards automatically in the drive of the dead bolt installing plate (5).
2. safety door latch according to claim 1, it is characterised in that：The cavity shape of the accommodating chamber (20) and the lock
The outer contour shape for determining structure (14) is similar.
3. safety door latch according to claim 1, it is characterised in that：The locking projections be included in the state of locking out with it is described
Latch-up structure (14) hooks the first locking projections closed and the second locking offseted in retracted mode and the latch-up structure (14)
It is raised.
4. safety door latch according to claim 1, it is characterised in that：The locking bias piece (17) is set to the first extension spring,
One end of first extension spring is fixed on the dead bolt installing plate (5)/unlocking board (19), first extension spring it is another
End is connected with the tail end of the latch-up structure (14).
5. safety door latch according to claim 1, it is characterised in that：The slip bias piece (23) is set to the second extension spring,
One end of second extension spring is fixed on the dead bolt installing plate (5), and the other end of second extension spring is fixed on the solution
On jam plate (19), and the force direction of second extension spring is consistent with the glide direction of the unlocking board (19).
6. the safety door latch according to any one of claim 1-5, it is characterised in that：The intelligent locking structure includes
It is installed in rotation on the intelligent locking part (7) on the bottom plate of the door lock or panel；Wherein, the intelligent locking part
(7) groove is formed towards one end of the triggering frame (1), when the triggering frame (1) is retracted, the insertion of the triggering frame (1)
In the embedded groove in portion (8)；
And the intelligent locking part (7) is applied with make the intelligent locking part (7) have make the embedded division (8) deviate from institute
State the second bias piece of the second biasing force of the movement tendency of groove；Wherein, the biasing force of first bias piece (6) is more than institute
State the biasing force of the second bias piece.
7. safety door latch according to claim 6, it is characterised in that：The intelligent locking part (7) is close to the front panel
One end end by a pivot (10) rotatably be arranged on the door lock on, the intelligent locking part (7) close to it is described touch
Send out limiting section (11) of the side shaping perpendicular to the bottom plate of the door lock of frame (1), the limiting section (11) and the pivot
(10) groove is formed between；When the triggering frame (1) is retracted, the triggering unlocking structure (3) triggers the latch-up structure
(14) unlock, the embedded division (8) of the triggering frame (1) slips into the groove and drives intelligent locking part (7) rotation extremely
Offseted with the latch-up structure (14), the latch-up structure (14) is locked, and the dead bolt (4) does not lock out；The triggering frame (1)
It is lock out under the partial pressure of first bias piece (6), the embedded division (8) is deviate from from the groove and is made described
Intelligent locking part (7) releases the locking to the latch-up structure (14), band of the dead bolt (4) in the dead bolt installing plate (5)
It is lock out under dynamic.
8. safety door latch according to claim 7, it is characterised in that：The embedded division (8) on triggering frame (1) with
The opening chute that the suitable limiting section (11) slides into and out also is formed between the triggering unlocking structure (3).
9. safety door latch according to claim 6, it is characterised in that：The structure of contact terminal (2) includes being molded over described touch
The trigger wheel on frame (1) and positioned at the dead bolt (4) inner chamber is sent out, the trigger wheel can be by being molded over the dead bolt
(4) through hole on lock out or retracted the inner chambers of the dead bolt (4)；First bias piece (6) is set to be arranged on dead bolt peace
The reduction torsion spring of biasing force is applied with dress plate (5) and to the triggering frame (1).
10. safety door latch according to claim 9, it is characterised in that：Triggering unlocking structure is set to be molded over the triggering
Inclined-plane of the frame on one end end of latch-up structure (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510947061.3A CN105442956B (en) | 2015-12-16 | 2015-12-16 | A kind of safety door latch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510947061.3A CN105442956B (en) | 2015-12-16 | 2015-12-16 | A kind of safety door latch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105442956A CN105442956A (en) | 2016-03-30 |
| CN105442956B true CN105442956B (en) | 2017-10-17 |
Family
ID=55553545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510947061.3A Active CN105442956B (en) | 2015-12-16 | 2015-12-16 | A kind of safety door latch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105442956B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025488B (en) * | 2018-10-24 | 2023-06-23 | 浙江庆泰恒科技有限公司 | Lower handle quick switch door lock |
| CN115162857B (en) * | 2022-06-02 | 2024-07-16 | 深圳绿米联创科技有限公司 | Lock set |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20008971U1 (en) * | 1999-06-17 | 2000-08-10 | Kirchmann-Niederdrenk KG GmbH & Co, 42579 Heiligenhaus | Hook swivel lock |
| CN202324893U (en) * | 2011-11-30 | 2012-07-11 | 温州市创力电子有限公司 | Automatic mortise lock |
| ES2700511T3 (en) * | 2012-07-05 | 2019-02-18 | Eldomat Innovative Sicherheit Gmbh | Locking device with cylinder lock |
| CN103397822B (en) * | 2013-07-02 | 2016-02-24 | 华爵集团有限公司 | A kind of without mechanism for locking up and be not afraid of steal lockset |
| CN205382797U (en) * | 2015-12-16 | 2016-07-13 | 王力安防产品有限公司 | Safe door lock |
-
2015
- 2015-12-16 CN CN201510947061.3A patent/CN105442956B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105442956A (en) | 2016-03-30 |
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Address after: 321300 Jinhua City, Yongkang Province Hardware Science and Technology Industrial Park, people park, South Road, No. 9 Applicant after: WONLY SECURITY AND PROTECTION TECHNOLOGY Co.,Ltd. Address before: 321300 Jinhua City, Yongkang Province Hardware Science and Technology Industrial Park, people park, South Road, No. 9 Applicant before: WANLI SECURITY PRODUCT CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A safety door lock Effective date of registration: 20230109 Granted publication date: 20171017 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Jinhua Yongkang sub branch Pledgor: WONLY SECURITY AND PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023330000069 |
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