CN107119990A - One kind idle running safety door latch - Google Patents
One kind idle running safety door latch Download PDFInfo
- Publication number
- CN107119990A CN107119990A CN201710294640.1A CN201710294640A CN107119990A CN 107119990 A CN107119990 A CN 107119990A CN 201710294640 A CN201710294640 A CN 201710294640A CN 107119990 A CN107119990 A CN 107119990A
- Authority
- CN
- China
- Prior art keywords
- driving member
- clutch
- handle
- clutch part
- front panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E05B15/004—Lost motion connections
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/005—Preventing accidental lock-out, e.g. by obstruction in the striker
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/002—Faceplates or front plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses one kind idle running safety door latch, including：Front panel assembly, including preceding pedestal and the preceding handle being rotatably provided on preceding pedestal；Back panel assemblies, rear pedestal and the rear handle being rotatably provided on rear pedestal；Lock body；Driving member, is rotatably provided in front panel assembly and/or back panel assemblies, and the driving member is connected with the lock body, and the driving member can be driven to rotate when described preceding handle and rear handle rotating to control the unblock of lock body and action of locking；Lock core is provided with described front panel assembly, described preceding handle is connected by a clutch with described driving member, the lock core can switch preceding engagement between handle and driving member and released state by the clutch.Each part that this door lock can be prevented effectively from occurs loosening and damaged, and increases the service life, handle before can also preventing from turning by force and the Brute Force for destroying front panel assembly, effectively increases the safe antitheft performance of this door lock, facilitates and use.
Description
Technical field
The present invention relates to field of lockset, more particularly to a kind of door lock.
Background technology
Door lock is typically mounted on door, including front panel assembly, back panel assemblies, lock body and driving member, front panel group
The rear handle on preceding handle and back panel assemblies on part can drive driving member to rotate and then control the action of lock body to be opened
Lock core is further typically provided with lock, front panel assembly, locks or unlocks on the door using lock core, in existing door lock, lock core
Locked typically by preceding handle is locked on preceding pedestal, preceding handle is always to keep what is be connected with driving member, is made
User would generally be exploratory when opening the door twisting before handle to judge whether door lock locks, by prolonged frequently twisting,
Loosening and fracture damage easily occurs in latch-up structure between preceding handle and preceding pedestal, can cause shadow to the service life of door lock
Ring, meanwhile, such door lock also realizes Brute Force easily by handle before twisting by force, and security performance is poor.
On the other hand, lockout member is usually provided with the back panel assemblies of door lock, can be within doors to door lock using lockout member
Locked, in existing door lock, lockout member be typically with lock core synchronization action, and preceding handle, driving member and rear handle are logical
Often link together, so, after using lockout member, door lock is locked, it is necessary to which line unblock lockout member could unlock door lock, and
When the fortuitous events such as generation fire, earthquake need to be escaped, people's spirit is more nervous, often forgets first to unlock to lock
Part, so that can cause to waste more time in door opening process, and when the number of escape is more, if door can not be opened in time
Lock and conveniently, easily form crowded at door, further waste escape time, and easily trigger major accident.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of structure novelty, service life length, security performance
High idle running safety door latch.
The present invention is for the technical scheme that uses of its technical problem of solution：
One kind idle running safety door latch, including：
Front panel assembly, including preceding pedestal and the preceding handle being rotatably provided on preceding pedestal；
Back panel assemblies, rear pedestal and the rear handle being rotatably provided on rear pedestal；
Lock body；
Rotatable driving member, the driving member is connected with the lock body, can driven when described preceding handle and rear handle rotating
The driving member rotates to control the unblock of lock body and action of locking；
Lock core is provided with described front panel assembly, described preceding handle passes through a clutch and described driving member phase
Even, the engagement between handle and driving member and released state before the lock core can be switched by the clutch.
It is preferred that, described clutch includes the locking bar being rotatably provided on front panel assembly and can moved forward and backward
The clutch part on front panel assembly is arranged on, described locking bar can be driven by the lock core and rotate and can drive upon its rotation
The clutch part is movable so that clutch part is engaged or separated with described driving member, described clutch part with it is described before hold
Hand be connected and can be with preceding handle synchronous axial system.
It is preferred that, it is provided with described locking bar on guiding block or inclined guiding face, clutch part and is correspondingly provided with inclination
Guiding face or guiding block, described guiding block is adapted and slides against on guiding face with guiding face, and the locking bar is rotated
When by the guiding block and guiding face clutch part can be promoted to move along the longitudinal direction.
It is preferred that, dynamic clamping head and quiet clamping head is provided between described clutch part and front panel assembly, the dynamic clamping head and quiet clamping head can
Described guiding block is pressed on guiding face.
It is preferred that, it is provided with described clutch part on clutch part or clutch slot, driving member and is provided with clutch slot accordingly
Or clutch part, described clutch part is adapted with clutch slot, and movable with clutch part, described clutch part can be plugged into
In clutch slot or depart from clutch slot so as to clutch part and driving member engagement or separate, and when described clutch part is plugged in clutch slot
When interior, described clutch part can by the cooperation of the clutch part and clutch slot with driving member synchronous axial system.
It is preferred that, described driving member is in hollow square tube shape, and described locking bar is rotatably plugged in driving member square tube
Interior, described clutch part is the front portion of driving member, and described clutch slot is to be arranged on clutch part and anterior mutually suitable with square tube
The square groove matched somebody with somebody.
It is preferred that, described rear handle is connected with driving member and can drive driving member synchronous axial system, back panel assemblies
On be rotatably provided with lockout member, the lockout member and described locking bar drive connection and the locking bar can be driven to rotate.
The beneficial effects of the invention are as follows：Because preceding handle passes through a clutch and described driving member phase in the present invention
Even, engagement between handle and driving member and released state before the lock core can be switched by the clutch, when utilizing key
When the driving lock core such as spoon is unlocked, lock core can be combined preceding handle with driving member by clutch so that handle before twisting
When can by driving member drive lock body act, when using key etc. driving lock core locked when, it is described to pass through clutch
Preceding handle is separated with driving member, after locking, twisting before handle when before handle can still rotate, but can not drive driving member turn
Move and drive lock body to act, each part that can be prevented effectively from this door lock occurs loosening and damaged, and increases the service life, and also can
Handle before preventing from turning by force and the Brute Force for destroying front panel assembly, effectively increase the safe antitheft performance of this door lock；
On the other hand, only it is to separate preceding handle with driving member when being locked by lock core, has no effect on rear handle and drive driving member
Rotate, also do not interfere with the locking state of lock core after lock body is opened using rear handle, any time can be from opening door within doors
Lock, can be prevented effectively from user and be locked in doors by other people, being also avoided that can not be after going out to door lock because not staying key
Situation about locking, effectively facilitates and uses.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure figure of the present invention；
Fig. 2 is the optical cable of the present invention；
Fig. 3 is the partial enlarged drawing of part A in Fig. 2；
Fig. 4 is the optical cable of front panel assembly in the present invention；
Fig. 5 is the partial enlarged drawing of part B in Fig. 4；
Fig. 6 is the optical cable of back panel assemblies in the present invention；
Fig. 7 is the partial enlarged drawing of C portion in Fig. 6.
Embodiment
Referring to figs. 1 to Fig. 7, a kind of idle running safety door latch, including：Front panel assembly 10, including preceding pedestal 11 and rotatable
Preceding handle 12 before being arranged on pedestal 11；Back panel assemblies 20, rear pedestal 21 and after being rotatably provided on rear pedestal 21
Handle 22；Lock body 30；Rotatable driving member 40, driving member 40 is connected with lock body 30, when preceding handle 12 and rear handle 22 are rotated
Driving member 40 can be driven to rotate to control the unblock of lock body 30 and action of locking；Lock core 13 is provided with front panel assembly 10, it is preceding
Handle 12 is connected by a clutch with driving member 40, handle 12 and driving member 40 before lock core 13 can be switched by clutch
Between engagement and released state.Because preceding handle 12 is connected by a clutch with driving member 40 in the present invention, lock core 13
Engagement between handle 12 and driving member 40 and released state before being switched by clutch, are locked when being driven using the grade of key 70
When core 13 is unlocked, lock core 13 can be combined preceding handle 12 with driving member 40 by clutch so that handle 12 before twisting
When can by driving member 40 drive lock body 30 act, when using the grade of key 70 driving lock core 13 locked when, clutch can be passed through
Mechanism separates preceding handle 12 with driving member 40, after locking, before twisting during handle 12 before handle 12 can still rotate, but can not
Driving member 40 is driven to rotate and drive lock body 30 to act, each part that can be prevented effectively from this door lock occurs loosening and damaged, and prolongs
Long life, handle 12 before can also preventing from turning by force and the Brute Force for destroying front panel assembly 10, are effectively increased
The safe antitheft performance of this door lock；On the other hand, only it is by 40 points of preceding handle 12 and driving member when being locked by lock core 13
From having no effect on rear handle 22 and drive driving member 40 to rotate, lock core is not interfered with after lock body 30 is opened using rear handle 22 yet
13 locking state, any time can be prevented effectively from user and be locked in doors by other people from opening door lock within doors,
The situation of lock can not be locked on the door because not staying key 70 after going out by being avoided that, effectively facilitated and used.
In the present embodiment, driving member 40 has been arranged on front panel assembly 10, helps to ensure that the normal work of clutch
Make, it is to avoid cause clutch to fail because of the influence of the factors such as rigging error, be easy to the installation of this door lock and use, certainly,
In practical application, driving member 40 can be also arranged in back panel assemblies 20 or on lock body 30, or also directly can rotatably be pacified
In door body.Lock core 13 and lock body 30 are widely used in the art, and its structure and principle are ripe for those skilled in the art
Know, be not described further separately herein, the lock core 13 in the present embodiment employs the conventional structure for being unlocked or being locked by key 70, when
So, in practical application, lock core 13 also can be using other common structures such as conventional fingerprint lock core, sealing lock cores, it is not limited to
This.
In the present invention, clutch includes the locking bar 51 that is rotatably provided on front panel assembly 10 and can moved forward and backward
Be arranged on the clutch part 52 on front panel assembly 10, locking bar 51 can be driven by lock core 13 and rotate and can drive upon its rotation from
Component 52 is movable so that clutch part 52 is engaged or separated with driving member 40, clutch part 52 and preceding handle 12 be connected and can
With the preceding synchronous axial system of handle 12, the clutch is simple and reliable for structure, takes small volume, it is easy to processing and assemble, certainly, actual
In, the clutch also can select other conventional structures with clutch function to substitute, it is not limited to this.
In the present embodiment, it is provided with elongated guide groove 121, clutch part 52 to be provided with slip and be plugged on preceding handle 12 and leads
Guide block 523 in groove 121, causes clutch part 52 to be moved before and after relatively preceding handle 12 using the cooperation of the guide block 523 and guide groove 121
It is dynamic to be rotated simultaneously with preceding handle 12, certainly, in practical application, clutch part 52 also can using other common structures such as guide rail come
Be connected with preceding handle 12 and with the preceding synchronous axial system of handle 12, it is not limited to this.The rear portion of lock core 13 is provided with first and inserted
Hole 131 is connect, the front portion of locking bar 51 is plugged in the first spliced eye 131 and makes lock core 13 that locking bar 51 can be driven to rotate.
In the present invention, relative set on guiding block 511 or inclined guiding face 521, clutch part 52 is provided with locking bar 51
There are inclined guiding face 521 or guiding block 511, guiding block 511 is adapted with guiding face 521 and slid against in guiding face 521
On, by guiding block 511 and guiding face 521 clutch part 52 can be promoted to move along the longitudinal direction when locking bar 51 is rotated, structure letter
It is single reliable, it is easy to process and assembles, certainly, also can be using locking bar 51 also using common structures such as helicitic textures in practical application
To drive clutch part 52 to move forward and backward, it is not limited to this, in the present embodiment, guiding block 511 is arranged on locking bar 51, led
Draw the front end that face 521 has then been arranged on clutch part 52, certainly, in practical application, the position of guiding block 511 and guiding face 521 can
To exchange.In addition, being provided with dynamic clamping head and quiet clamping head 53 between clutch part 52 and front panel assembly 10, dynamic clamping head and quiet clamping head 53 will can be guided
Block 511 is pressed on guiding face 521, can keep the good contact of guiding block 511 and guiding face 521, and with promote from
The function that the reach of component 52 resets, helps to simplify the dynamic clamping head and quiet clamping head 53 in structure, convenient use, the present embodiment and employs often
Spring, certainly, in practical application, dynamic clamping head and quiet clamping head 53 also other can commonly use elastic constructions using torsion spring etc., or also may be used
The dynamic clamping head and quiet clamping head 53 is not provided with, and promotes clutch part 52 to reset using other common structures, for example, can be in clutch part 52
On open up inclined guide channel, guiding block 511 is slided and is plugged in guide channel, by the use of guide channel preceding inwall and rear inwall as
Guiding face 521, so, locking bar 51 just can drive the reach of clutch part 52 and rear shifting.
Be provided with clutch part 52 on clutch part or clutch slot 522, driving member 40 it is corresponding be provided with clutch slot 522 or from
Conjunction portion, clutch part is adapted with clutch slot 522, and with moving forward and backward for clutch part 52, clutch part can be plugged into clutch slot 522
Or depart from clutch slot 522 so that clutch part 52 is engaged or separated with driving member 40, and when clutch part is plugged in clutch slot 522
When, clutch part 52 can by the cooperation of clutch part and clutch slot 522 with the synchronous axial system of driving member 40, the clutch structure is more simple
It is single, it is easy to processing and assembling, it is highly reliable, failure is less prone to, certainly, in practical application, pin and pin-and-hole etc. can also be used
Common structure is realized the combination of clutch part 52 and driving member 40 and separated, it is not limited to this.
In the present embodiment, driving member 40 is in hollow square tube shape, and this is also the common structure of driving member 40 in existing door lock,
Locking bar 51 is rotatably plugged in the square tube of driving member 40, is easy to assembling, locking bar 51 can be carried out spacing, it helps reduced
The space-consuming of locking bar 51, so as to reduce the volume of this door lock, clutch part is the front portion of driving member 40, and clutch slot 522 is setting
The square groove being adapted on clutch part 52 and with the front portion of square tube, it is simple in construction, it is easy to process and assembles, certainly, practical application
In, clutch slot 522 and driving member 40 also can be using other common shapes such as triangle, hexagons, it is not limited to this.
In addition, in the present invention, rear handle 22 is connected with driving member 40 and can drive the synchronous axial system of driving member 40, behind
Lockout member 23 rotatably is provided with board component 20, lockout member 23 is connected with locking bar 51 and locking bar 51 can be driven to rotate, this
Sample, lockout member 23 locked after also only can by locking bar 51 drive clutch part 52 move forward to separated with driving member 40 with prevent from
This door lock is opened in outside, the rotation and unlocking of rear handle 22 can't be impacted, can be prevented effectively from unexpected situation makes
User is excessively nervous, forgets to turn on lockout member 23 and leads to not the situation of opening door lock, it is to avoid wastes escape time and appearance
Swarm and jostlement is unexpected, effectively increases the escape success rate of escape personnel.In the present embodiment, it is provided with rear handle 22 square
Connecting hole 221, what the rear portion of driving member 40 can slide back and forth is plugged in connecting hole 221 and driving member 40 is then held
Hand 22 is rotated, while also allowing for adjusting the spacing between front panel assembly 10 and back panel assemblies 20 being adapted to the side of different-thickness
Just, it is easy to install and use, the second grafting being adapted with the rear portion of locking bar 51 is provided with the lockout member 23 in the present embodiment
Hole 231, the rear portion of locking bar 51 is plugged in the second spliced eye 231 and enables lockout member 23 to drive locking bar 51 to rotate.
In addition, in the present embodiment, it is both provided between preceding handle 12 and preceding pedestal 11, between rear board and rear pedestal 21 multiple
Position torsion spring 60, is resetted with promoting preceding handle 12 and rear handle 22 to rotate after the preceding handle 12 of rotation and rear handle 22；On lock body 30
With the square driving hole 31 being adapted with driving member 40, driving member 40 is located in the driving hole 31 and causes driving member 40
Lock body 30 can be driven to act, these structures quote extensive in the art, are not described further separately herein.
The preferred embodiments of the present invention are the foregoing is only, as long as realizing the skill of the object of the invention with essentially identical means
Art scheme is belonged within protection scope of the present invention.
Claims (7)
1. one kind idle running safety door latch, including：
Front panel assembly（10）, including preceding pedestal（11）Be rotatably provided in preceding pedestal（11）On preceding handle（12）；
Back panel assemblies（20）, rear pedestal（21）Be rotatably provided in rear pedestal（21）On rear handle（22）；
Lock body（30）；
Rotatable driving member（40）, the driving member（40）With the lock body（30）It is connected, described preceding handle（12）With it is rear
Handle（22）The driving member can be driven during rotation（40）Rotate to control lock body（30）Unblock and action of locking；
Characterized in that, described front panel assembly（10）On be provided with lock core（13）, described preceding handle（12）By one from
Close mechanism and described driving member（40）It is connected, the lock core（13）Handle before being switched by the clutch（12）With biography
Moving part（40）Between engagement and released state.
2. a kind of idle running safety door latch according to claim 1, it is characterised in that described clutch includes rotatable
It is arranged on front panel assembly（10）On locking bar（51）With can move forward and backward be arranged on front panel assembly（10）On clutch part
（52）, described locking bar（51）Can be by the lock core（13）Drive and rotate and the clutch part can be driven upon its rotation（52）
Move forward and backward so that clutch part（52）With described driving member（40）Engagement is separated, described clutch part（52）Before described
Handle（12）Drive connection and can be with preceding handle（12）Synchronous axial system.
3. a kind of idle running safety door latch according to claim 2, it is characterised in that described locking bar（51）On be provided with and lead
Draw block（511）Or inclined guiding face（521）, clutch part（52）On be correspondingly provided with inclined guiding face（521）Or guiding block
（511）, described guiding block（511）With guiding face（521）It is adapted and slides against in guiding face（521）On, the locking bar
（51）The guiding block can be passed through during rotation（511）And guiding face（521）Promote clutch part（52）Move along the longitudinal direction.
4. a kind of idle running safety door latch according to claim 3, it is characterised in that described clutch part（52）And front panel
Component（10）Between be provided with dynamic clamping head and quiet clamping head（53）, the dynamic clamping head and quiet clamping head（53）Can be by described guiding block（511）Compress
In guiding face（521）On.
5. a kind of idle running safety door latch according to claim 2, it is characterised in that described clutch part（52）On be provided with
Clutch part or clutch slot（522）, driving member（40）On be provided with clutch slot accordingly（522）Or clutch part, described clutch part
With clutch slot（522）It is adapted, with clutch part（52）It is movable, described clutch part can be plugged into clutch slot（522）
Interior or disengaging clutch slot（522）So that clutch part（52）With driving member（40）Engagement is separated, and when described clutch part is plugged
In clutch slot（522）When interior, described clutch part（52）The clutch part and clutch slot can be passed through（522）Cooperation and with transmission
Part（40）Synchronous axial system.
6. a kind of idle running safety door latch according to claim 5, it is characterised in that described driving member（40）In hollow
Square tube shape, described locking bar（51）Rotatably it is plugged in driving member（40）In square tube, described clutch part is driving member（40）
Front portion, described clutch slot（522）To be arranged on clutch part（52）Square groove that is upper and being adapted with the front portion of square tube.
7. a kind of idle running safety door latch according to claim 2, it is characterised in that described rear handle（22）With driving member
（40）It is connected and driving member can be driven（40）Synchronous axial system, back panel assemblies（20）On be rotatably provided with lockout member
（23）, the lockout member（23）With described locking bar（51）It is connected and the locking bar can be driven（51）Rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294640.1A CN107119990B (en) | 2017-04-28 | 2017-04-28 | Idle running safety door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294640.1A CN107119990B (en) | 2017-04-28 | 2017-04-28 | Idle running safety door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107119990A true CN107119990A (en) | 2017-09-01 |
| CN107119990B CN107119990B (en) | 2023-11-17 |
Family
ID=59726528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294640.1A Active CN107119990B (en) | 2017-04-28 | 2017-04-28 | Idle running safety door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107119990B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005475A (en) * | 2018-01-12 | 2018-05-08 | 温州瓯海利尔达五金制品有限公司 | A kind of mechanically decoupled formula handle lock |
| CN108518131A (en) * | 2018-04-26 | 2018-09-11 | 深圳市罗曼斯科技有限公司 | A kind of lockset and its rotary limiting device |
| CN109441244A (en) * | 2018-12-19 | 2019-03-08 | 珠海市坚士智能科技有限公司 | Mortise door lock with anti-damage escape function for door outer handle |
| CN113137130A (en) * | 2020-01-16 | 2021-07-20 | 株式会社东海理化电机制作所 | Cylinder lock device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006030552A1 (en) * | 2005-07-14 | 2007-01-18 | Kfv Karl Fliether Gmbh & Co. Kg | Escape door lock |
| CN101191394A (en) * | 2006-11-28 | 2008-06-04 | 程城 | Electromagnetic clutch |
| CN201933849U (en) * | 2011-01-10 | 2011-08-17 | 范伟强 | Idling escape handle lock |
| CN207453661U (en) * | 2017-04-28 | 2018-06-05 | 胡淳龙 | A kind of idle running safety door latch |
-
2017
- 2017-04-28 CN CN201710294640.1A patent/CN107119990B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006030552A1 (en) * | 2005-07-14 | 2007-01-18 | Kfv Karl Fliether Gmbh & Co. Kg | Escape door lock |
| CN101191394A (en) * | 2006-11-28 | 2008-06-04 | 程城 | Electromagnetic clutch |
| CN201933849U (en) * | 2011-01-10 | 2011-08-17 | 范伟强 | Idling escape handle lock |
| CN207453661U (en) * | 2017-04-28 | 2018-06-05 | 胡淳龙 | A kind of idle running safety door latch |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005475A (en) * | 2018-01-12 | 2018-05-08 | 温州瓯海利尔达五金制品有限公司 | A kind of mechanically decoupled formula handle lock |
| CN108005475B (en) * | 2018-01-12 | 2023-02-07 | 温州瓯海利尔达五金制品有限公司 | Mechanical separation type handle lock |
| CN108518131A (en) * | 2018-04-26 | 2018-09-11 | 深圳市罗曼斯科技有限公司 | A kind of lockset and its rotary limiting device |
| CN108518131B (en) * | 2018-04-26 | 2024-04-26 | 深圳市罗漫斯智能家居有限公司 | Lockset and rotary limiting device thereof |
| CN109441244A (en) * | 2018-12-19 | 2019-03-08 | 珠海市坚士智能科技有限公司 | Mortise door lock with anti-damage escape function for door outer handle |
| CN109441244B (en) * | 2018-12-19 | 2024-01-30 | 珠海市坚士智能科技有限公司 | Door lock with outside handle with anti-damage escape core |
| CN113137130A (en) * | 2020-01-16 | 2021-07-20 | 株式会社东海理化电机制作所 | Cylinder lock device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107119990B (en) | 2023-11-17 |
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