CN105735752B - Multi-point touch buffers Jing Yin lock - Google Patents
Multi-point touch buffers Jing Yin lock Download PDFInfo
- Publication number
- CN105735752B CN105735752B CN201610239187.XA CN201610239187A CN105735752B CN 105735752 B CN105735752 B CN 105735752B CN 201610239187 A CN201610239187 A CN 201610239187A CN 105735752 B CN105735752 B CN 105735752B
- Authority
- CN
- China
- Prior art keywords
- locking bolt
- lock
- hand handle
- point touch
- connector
- 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.)
- Expired - Fee Related
Links
- 239000000872 buffer Substances 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000008188 pellet Substances 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000116 mitigating effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000002459 sustained effect Effects 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
- E05B15/10—Bolts of locks or night latches
- E05B15/102—Bolts having movable elements
-
- 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
- E05B17/00—Accessories in connection with locks
- E05B17/0045—Silencing devices; Noise reduction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses multi-point touch to buffer Jing Yin lock, including the lock box being made up of cover plate and baffle plate, locking bolt hole is provided with baffle plate, contact latch fitting in lock box, locking bolt support, buffer, dead bolt retraction lever, hand handle locks connector, hand handle locks block, lock core cam, lock rudder, rotation ripping bar, contact latch fitting includes being provided with back-moving spring between locking bolt, locking bolt touching release member, locking bolt touching release fastening device locking bolt support and locking bolt touching release member, and locking bolt support is fixedly connected by fixture with locking bolt.The present invention is simple in construction, reasonable in design, pass through the contact latch fitting of setting, impact noise during switch gate can be effectively reduced, while the locking bolt noise reduction frame being arranged on the inwall of locking bolt hole, it can further reduce noise, the setting of buffer, it is used to release locking bolt, noise caused by mitigation locking bolt operation, further realizes noise reduction effect, abrasion is reduced, extends the service life of lock body.
Description
Technical field
The invention belongs to lock technology field, and in particular to a kind of multi-point touch buffers Jing Yin lock.
Background technology
Lock is one of part essential on antitheft door, the quality of lockset performance be directly connected to antitheft door safety and
Performance, at present, antitheft door lockset species that in the market uses is various, characteristic is different, and model is also ever-changing, and it is tied substantially
Structure is essentially identical, and component is mostly that metal material is made, and is opening the door and at closing time, because of the shock or friction between each part, all can
Make a noise, normally live and work to people and bring the sensation of discomfort, accordingly it is desirable to such make an uproar can be reduced as far as possible
Sound, in the prior art, existing many technical schemes for being used to solve such problem, but the problem of complicated is basically there exist,
Easily broken down during use, difficult maintenance, the problems such as service life is short.
The content of the invention
It is Jing Yin it is an object of the invention to design a kind of multi-point touch buffering of offer for problems of the prior art
Lock.
Described multi-point touch buffers Jing Yin lock, including the lock box being made up of two cover plates and baffle plate, is set on the baffle plate
There is locking bolt hole, connected between two cover plates by cover plate fixed column, it is characterised in that be provided with the lock box and coordinate with locking bolt hole
The contact latch fitting that uses, the locking bolt support being fixedly connected with contact latch fitting, the buffer and dead bolt being connected with locking bolt support assorted
Retraction lever, hand handle lock connector, are arranged on hand handle and lock the hand handle of connector one end and lock block, lock connector with hand handle
Lock core cam, lock rudder, the rotation ripping bar being arranged on lock rudder being used cooperatively, the contact latch fitting include hollow locking bolt, with locking
The locking bolt that bolt grafting is set touches release member, locking bolt touching release fastening device, and the both ends and middle part of locking bolt touching release member are set
There is inserting column, one end of the inserting column is contact, and the other end of inserting column is arranged to isosceles triangle plug, and the locking bolt touches
Touch on release fastening device and be provided with the jack being socketed on plug, the side of jack is provided with what is be used cooperatively with the hypotenuse of plug
Inclined-plane, locking bolt touching discharges is additionally provided with connecting pole on fastening device, and spring stack, the spring are vertically installed with the connecting pole
Socket is provided with spring on post, is provided with the contact holes being used cooperatively with contact on the locking bolt and is used cooperatively with spring stack
Spring post holes, back-moving spring is additionally provided between locking bolt support and locking bolt touching release member, locking bolt support passes through fixture and lock
Bolt is fixedly connected.
Described multi-point touch buffers Jing Yin lock, it is characterised in that the locking bolt support includes connecting plate, vertical center web
The guide plate and fixed plate of setting, the first pilot hole, fixed plate and one end of dead bolt retraction lever are provided with the guide plate
It is be hinged to set.
Described multi-point touch buffers Jing Yin lock, it is characterised in that the buffer includes piston rod, air chamber, the air chamber
Compression spring is inside provided with, one end of air chamber is provided with plug and air chamber sealing circle, plug sealing ring is provided with the plug.
Described multi-point touch buffers Jing Yin lock, it is characterised in that it is the L-type body of rod that the hand handle, which locks connector, the L
The second pilot hole is provided with the type body of rod, guide groove post is provided with second pilot hole, hand handle locks the lower end of connector
The cam path used with lock core cam engagement is provided with, the hand handle is locked and the 3rd pilot hole is provided with block, and hand handle locks company
Guide pillar hole is provided with fitting, the 3rd pilot hole and guide pillar hole are connected by guide pillar.
Described multi-point touch buffers Jing Yin lock, it is characterised in that the lower end that the hand handle locks connector is additionally provided with calmly
Position pellet.
Described multi-point touch buffers Jing Yin lock, it is characterised in that locking bolt noise reduction set is provided with the inwall of the locking bolt hole.
The present invention is simple in construction, reasonable in design, and by the contact latch fitting of setting, shock when can effectively reduce switch gate is made an uproar
Sound, while the locking bolt noise reduction frame being arranged on the inwall of locking bolt hole, can further reduce noise, the setting of buffer, it is used to push away
Go out locking bolt, noise caused by mitigation locking bolt operation, further realize noise reduction effect, reduce abrasion, extend lock body uses the longevity
Life.
Brief description of the drawings
Fig. 1 is the structural representation of lockset Normal on state of the present invention；
Fig. 2 is the structural representation that state was closed, locked to lockset of the present invention；
Fig. 3 is the explosive view of the present invention；
Fig. 4 is the structural representation that locking bolt touches release member；
Fig. 5 is the structural representation of locking bolt touching release fastening device；
Fig. 6 is the structural representation of locking bolt support；
Fig. 7 is buffer structure schematic diagram；
In figure：1- cover plates, 2- baffle plates, 3- locking bolts hole, 4- cover plate fixed columns, 5- contacts latch fitting, 51- locking bolts, 511- contacts
Hole, 512- spring post holes, 52- locking bolts touching release member, 521- inserting columns, 522- contacts, 523- plugs, the touching of 53- locking bolts are released
Put fastening device, 531- jacks, 532- connecting poles, 533- spring stacks, 534- springs, 6- locking bolt supports, 61- connecting plates, 62- guiding
Plate, the pilot holes of 621- first, 63- fixed plates, 7- buffers, 71- piston rods, 72- air chambers, 73- compression springs, 74- plugs,
75- air chamber sealing circles, 76- plug sealing rings, 8- dead bolts retraction lever, 9- hand handles lock connector, the pilot holes of 91- second, 92-
Guide groove post, 93- cam paths, 94- guide pillar holes, 95- positioning pellets, 10- hand handles lock block, the pilot holes of 101- the 3rd, 11- lock cores
Cam, 12- lock rudders, 13- rotation ripping bars, 14- fixtures, 15- guide pillars, 16- locking bolt noise reduction sets.
Embodiment
The present invention is further illustrated below in conjunction with Figure of description.
As shown in figs. 1-7, multi-point touch of the present invention buffers Jing Yin lock, reduces noise as far as possible during realizing switch gate,
Including lock box, the lock box is made up of two cover plates, 1 one baffle plates 2, is connected between two cover plates 1 by cover plate fixed column 4, baffle plate 2
On be provided with locking bolt hole 3, it is anti-that contact latch fitting 5, locking bolt support 6, buffer 7, dead bolt retraction lever 8, hand handle are provided with lock box
Lock connector 9, hand handle are locked block 10, lock core cam 11, lock rudder 12, rotation ripping bar 13, each part and are used in conjunction with each other, and realize door
The switch of body and lock, further reduce noise.
Annexation between each part is：Locking bolt hole 3 is used cooperatively with contact latch fitting 5, to reduce noise, in locking bolt hole
Locking bolt noise reduction set 16 is provided with 3 inwalls, contact latch fitting 5, buffer 7 and the dead bolt retraction lever 8 being connected with locking bolt support 6,
The hand handle that the mating connection of connector 9 is locked with hand handle locks block 10 and lock core cam 11, is used cooperatively with dead bolt retraction lever 8
The rotation ripping bar 13 being arranged on lock rudder 12, wherein, lock rudder is vertically disposed with bearing, and lock rudder is provided centrally with polygon endoporus.
Wherein, the concrete structure of contact latch fitting 5 is：Touched including hollow locking bolt 51, with the locking bolt that the grafting of locking bolt 51 is set
Release member 52, locking bolt touching release fastening device 53, the both ends and middle part of locking bolt touching release member 52 are provided with inserting column 521, should
One end of inserting column 521 is contact 522, and the other end of inserting column 521 is arranged to isosceles triangle plug 523, and locking bolt touching is released
The jack 531 for being provided with and being socketed on plug 523 on fastening device 53 is put, the side of jack 531 is provided with the hypotenuse with plug 523
The inclined-plane being used cooperatively, locking bolt touching discharges is additionally provided with connecting pole 532 on fastening device 53, is vertically arranged on the connecting pole 532
There is spring stack 533, be socketed on spring stack 533 and be provided with spring 534, be provided with locking bolt 51 and touched with what contact 522 was used cooperatively
Spot hole 511 and the spring post holes 512 being used cooperatively with spring stack 533, also set between locking bolt support 6 and locking bolt touching release member 52
Back-moving spring is equipped with, locking bolt support 6 is fixedly connected by fixture 14 with locking bolt 51.The concrete structure of locking bolt support 6 is：Including
The guide plate 62 and fixed plate 63 that connecting plate 61, vertical center web 61 are set, are provided with the first pilot hole 621 on guide plate 62,
Fixed plate 63 and the be hinged setting in one end of dead bolt retraction lever 8.The concrete structure of buffer 7 is：Including piston rod 71, air chamber
72, compression spring 73 is provided with air chamber 72, and one end of air chamber 72 is provided with plug 74 and air chamber sealing circle 75, set on plug 74
It is equipped with plug sealing ring 76.The concrete structure that hand handle locks connector 9 is：Including the L-type body of rod, second is provided with the L-type body of rod
Pilot hole 91, guide groove post 92 is provided with the second pilot hole 91, the lower end that hand handle locks connector 9 is provided with and lock core cam
11 cam paths 93 being used cooperatively, hand handle are locked and the 3rd pilot hole 101 are provided with block 10, and hand handle is locked to be set on connector 9
There is guide pillar hole 94, the 3rd pilot hole 101 and guide pillar hole 94 are connected by guide pillar 15.The lower end that hand handle locks connector 9 is also set up
There is positioning pellet 95.
During Jing Yin lock Normal on state of the invention, contact latch fitting 5 is located in lock box, and contact holes 511 are stretched out in contact 522,
The spring stack 533 of locking bolt touching release fastening device 53 is connected in spring post holes 512, and dead bolt bounces back lever 8 away from locking bolt support 6
One end and hand handle lock one end of block 10 and be in sustained height, the guide plate 62 of locking bolt support 6 is located at hand handle and locks connector 9
Between buffer 7, when needing at closing time, contact 522 touches doorframe edge, and the locking bolt touching compression of release member 52 resets bullet
Spring, contact 522 bounce back, and now, spring stack 533 departs from spring post holes 512, and buffer 7 works, and promotes locking bolt support 6 along first
Pilot hole 621 moves, and then stretches out lock box with movable contact latch fitting 5, realizes shutdown state, during locking bolt support 6 moves,
The upper end of dead bolt retraction lever 8 moves down in the presence of lever principle, now, lock core cam 11 is rotated, in the work of cam path 93
Under, drive hand handle to lock connector 9 and act, hand handle locks connector 9 in the second pilot hole 91, the 3rd pilot hole 101, guiding
Moved up in the presence of groove post 92 and guide pillar 15, and then drive hand handle to lock block 10 and act, hand handle is locked block 10 and withheld in dead bolt time
On contracting lever 8, now, the handle of the connection of rudder 12 can not be rotated and lock, realization is locked, need to such as opened the door, it is necessary to which first rotary locking cylinder is convex
Wheel 11, hand handle is locked connector 9 and move down, so drive hand handle lock block 10 depart from dead bolt retraction lever 8, now, rotate with
The handle that rudder 12 connects is locked, hand handle rotation ripping bar 13 drives dead bolt retraction lever 8 to move up, in the presence of lever principle, dead bolt
Retraction lever 8 drives locking bolt support 6 to move back, and then drives whole contact latch fitting 5 to retract in lock box, and spring stack 533 blocks again
Enter in spring post holes 512, realize door opening action.
Claims (6)
1. multi-point touch buffers Jing Yin lock, including by two cover plates（1）And baffle plate（2）The lock box of composition, the baffle plate（2）Upper setting
There is locking bolt hole（3）, two cover plates（1）Between pass through cover plate fixed column（4）Connection, it is characterised in that be provided with and lock in the lock box
Keyhole（3）The contact latch fitting being used cooperatively（5）And contact latch fitting（5）The locking bolt support being fixedly connected（6）And locking bolt support（6）
The buffer of mating connection（7）And dead bolt retraction lever（8）, hand handle lock connector（9）, be arranged on hand handle and lock connector
（9）The hand handle of one end locks block（10）And hand handle locks connector（9）The lock core cam being used cooperatively（11）, lock rudder（12）, set
Put in lock rudder（12）On rotation ripping bar（13）, the contact latch fitting（5）Including hollow locking bolt（51）With locking bolt（51）Grafting is set
The locking bolt touching release member put（52）, locking bolt touching release fastening device（53）, locking bolt touching release member（52）Both ends and middle part
It is provided with inserting column（521）, the inserting column（521）One end be contact（522）, inserting column（521）The other end be arranged to
Isosceles triangle plug（523）, the locking bolt touching release fastening device（53）On be provided with and be socketed in plug（523）On jack
（531）, jack（531）Side be provided with and plug（523）The inclined-plane that is used cooperatively of hypotenuse, locking bolt touching release fastening device
（53）On be additionally provided with connecting pole（532）, the connecting pole（532）On be vertically installed with spring stack（533）, the spring stack
（533）Upper socket is provided with spring（534）, the locking bolt（51）On be provided with and contact（522）The contact holes being used cooperatively
（511）And and spring stack（533）The spring post holes being used cooperatively（512）, locking bolt support（6）Release member is touched with locking bolt（52）It
Between be additionally provided with back-moving spring, locking bolt support（6）Pass through fixture（14）With locking bolt（51）It is fixedly connected.
2. multi-point touch according to claim 1 buffers Jing Yin lock, it is characterised in that the locking bolt support（6）Including connection
Plate（61）, vertical center web（61）The guide plate of setting（62）And fixed plate（63）, the guide plate（62）On be provided with first
Pilot hole（621）, fixed plate（63）With dead bolt retraction lever（8）One end be hinged set.
3. multi-point touch according to claim 1 buffers Jing Yin lock, it is characterised in that the buffer（7）Including piston rod
（71）, air chamber（72）, the air chamber（72）Inside it is provided with compression spring（73）, air chamber（72）One end be provided with plug（74）And
Air chamber sealing circle（75）, the plug（74）On be provided with plug sealing ring（76）.
4. multi-point touch according to claim 1 buffers Jing Yin lock, it is characterised in that the hand handle locks connector（9）For
The L-type body of rod, the second pilot hole is provided with the L-type body of rod（91）, second pilot hole（91）Inside it is provided with guide groove post
（92）, hand handle locks connector（9）Lower end be provided with and lock core cam（11）The cam path being used cooperatively（93）, the hand handle
Lock block（10）On be provided with the 3rd pilot hole（101）, hand handle, which is locked, is provided with guide pillar hole on connector（94）, the 3rd pilot hole
（101）And guide pillar hole（94）Pass through guide pillar（15）Connection.
5. multi-point touch according to claim 4 buffers Jing Yin lock, it is characterised in that the hand handle locks connector（9）'s
Lower end is additionally provided with positioning pellet（95）.
6. multi-point touch according to claim 1 buffers Jing Yin lock, it is characterised in that the locking bolt hole（3）Set on inwall
There is locking bolt noise reduction set（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239187.XA CN105735752B (en) | 2016-04-18 | 2016-04-18 | Multi-point touch buffers Jing Yin lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239187.XA CN105735752B (en) | 2016-04-18 | 2016-04-18 | Multi-point touch buffers Jing Yin lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735752A CN105735752A (en) | 2016-07-06 |
| CN105735752B true CN105735752B (en) | 2018-03-20 |
Family
ID=56255396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610239187.XA Expired - Fee Related CN105735752B (en) | 2016-04-18 | 2016-04-18 | Multi-point touch buffers Jing Yin lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105735752B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736951A (en) * | 2010-01-28 | 2010-06-16 | 刘辉舟 | Silent door lock |
| CN202689727U (en) * | 2012-04-10 | 2013-01-23 | 帅辉 | Multifunctional automatic lock |
| CN203066618U (en) * | 2012-12-24 | 2013-07-17 | 东莞市神冈精密五金电子有限公司 | Soundproofing inserting-cylinder-type installing and fixing structure of gate lock |
| CN203654921U (en) * | 2013-11-01 | 2014-06-18 | 何允纯 | Silent mortice door lock |
| CN103899145A (en) * | 2014-04-16 | 2014-07-02 | 广东名门锁业有限公司 | Mute lock body with damper |
| CN104153647A (en) * | 2014-08-21 | 2014-11-19 | 广东名门锁业有限公司 | Noise reducing mechanism of inclined tongue assembly |
| CN204386266U (en) * | 2014-10-23 | 2015-06-10 | 广东炬森五金精密制造有限公司 | A kind of Novel sound-silencing door lock |
| CN205713497U (en) * | 2016-04-18 | 2016-11-23 | 杭州恒立金属制品有限公司 | Multi-point touch buffers quiet lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100026012A1 (en) * | 2008-07-30 | 2010-02-04 | Thase Enterprise Co., Ltd. | Press bar mechanism |
-
2016
- 2016-04-18 CN CN201610239187.XA patent/CN105735752B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736951A (en) * | 2010-01-28 | 2010-06-16 | 刘辉舟 | Silent door lock |
| CN202689727U (en) * | 2012-04-10 | 2013-01-23 | 帅辉 | Multifunctional automatic lock |
| CN203066618U (en) * | 2012-12-24 | 2013-07-17 | 东莞市神冈精密五金电子有限公司 | Soundproofing inserting-cylinder-type installing and fixing structure of gate lock |
| CN203654921U (en) * | 2013-11-01 | 2014-06-18 | 何允纯 | Silent mortice door lock |
| CN103899145A (en) * | 2014-04-16 | 2014-07-02 | 广东名门锁业有限公司 | Mute lock body with damper |
| CN104153647A (en) * | 2014-08-21 | 2014-11-19 | 广东名门锁业有限公司 | Noise reducing mechanism of inclined tongue assembly |
| CN204386266U (en) * | 2014-10-23 | 2015-06-10 | 广东炬森五金精密制造有限公司 | A kind of Novel sound-silencing door lock |
| CN205713497U (en) * | 2016-04-18 | 2016-11-23 | 杭州恒立金属制品有限公司 | Multi-point touch buffers quiet lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105735752A (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205822942U (en) | From triggering quiet escape lock | |
| CN105735752B (en) | Multi-point touch buffers Jing Yin lock | |
| CN205713497U (en) | Multi-point touch buffers quiet lock | |
| CN110863719B (en) | Emergency unlocking component for subway door | |
| CN212614129U (en) | Mute lock for door | |
| CN220929125U (en) | Civil air defense door leaf convenient to installation | |
| CN211473891U (en) | Steel construction threshold biparting protection sealing door that lives | |
| CN201794398U (en) | Pressure lever type escape system | |
| CN210914904U (en) | Protective device for elevator car door | |
| CN102278022B (en) | Compression bar type escape device | |
| CN211691858U (en) | Mute double-magnetic lock body of door | |
| CN108827664B (en) | Impact test detection table for automobile steering system | |
| CN102874673A (en) | Flipping gate buffering device for construction hoist cage | |
| CN109881976B (en) | Door lock | |
| CN106639675B (en) | The flat push type manual unlocking handle device of station platform safety door | |
| CN204571508U (en) | Anti-theft automatic door lock damping noise-stop device | |
| CN212562977U (en) | Anti-impact civil air defense door convenient for fixing door leaf | |
| CN215632422U (en) | Anti-seismic welding-free civil air defense door frame with opening and closing limiting function | |
| CN219061243U (en) | Full-automatic lock body | |
| CN219654489U (en) | Double-door civil air defense door locking mechanism | |
| CN216477014U (en) | Civil air defense engineering protection door | |
| CN219241745U (en) | Anti-impact civil air defense door for civil air defense engineering | |
| CN216043359U (en) | Electric door supporting device | |
| CN203547256U (en) | Novel automatic protection spring bolt for safe-guard chain door lock | |
| CN218934233U (en) | Double-open type civil air defense door with buffering, damping and shock resistance capabilities |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180320 |