CN209670561U - A kind of self-locking door lock - Google Patents
A kind of self-locking door lock Download PDFInfo
- Publication number
- CN209670561U CN209670561U CN201821909325.1U CN201821909325U CN209670561U CN 209670561 U CN209670561 U CN 209670561U CN 201821909325 U CN201821909325 U CN 201821909325U CN 209670561 U CN209670561 U CN 209670561U
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- Prior art keywords
- locking
- unlocking
- self
- substrate
- connecting rod
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Abstract
The utility model relates to door lock fields, disclose a kind of self-locking door lock, including lock housing, lock housing includes jam plate and substrate, substrate is equipped with lock tongue and the promotion piece that is connected with lock tongue, slidably connects on substrate and stretches out the jam plate induction locking bolt parallel with lock tongue, is arranged with reset spring on induction locking bolt, reset spring one end and positive stop strip contradict, and the other end and sideboard contradict；Substrate is equipped with contact-making switch, contact-making switch and induction locking bolt face at sideboard, is equipped with self-locking motor in substrate, self-locking motor is electrically connected with contact-making switch；Self-locking connecting rod is rotatably connected in substrate, self-locking connecting rod one end is connected by bevel gear set with self-locking motor, and the other end is connected with piece is pushed.By incuding the setting of locking bolt, motor and self-locking connecting rod, when people close door, door locking is not needed people and swing handle or is locked on the door by key again by lock tongue auto-extending jam plate, easy to use.
Description
Technical field
The utility model relates to door lock field, in particular to a kind of self-locking door lock.
Background technique
Handle-door lock locking device, all include frame substrate, latch bolt, latch bolt plectrum, polygonal square bar sleeve, square tongue, push piece,
Tapered end and tapered end pusher dog, latch bolt and latch bolt plectrum interlock, the special-shaped polygonal square bar sleeve of through-hole inner sleeve in latch bolt plectrum, square tongue with push away
Movable plate Joint pushes on piece to be equipped with sliding slot and is slidably matched with the cunning cylindroid that base is pulled is fixed on, the tapered end pusher dog on tapered end
It is matched with the inner concave wall of piece side is pushed.
Notification number is that the Chinese patent of CN1274791A discloses a kind of handle-door lock locking device, the master with special-shaped through-hole
Dynamic half gear dislocation is layered on latch bolt plectrum, and is tensed by reset spring, special-shaped through-hole while the polygonal square bar sleeve of inner sleeve, actively
Half gear is mutually engaged with passive half gear, and the hinged pusher dog in one end of passive half gear, pusher dog is positioned by torsional spring, pushes the another of piece
Side is equipped with moving tooth, and moving tooth is matched with pusher dog.Above-mentioned technology, which overcomes common handle-door lock locking device, must pass through key
Spoon carries out locking operation, and the relatively complicated defect of process can directly be locked by handle outdoors, and there is structure simply to close
Reason, advantage easy to operate.
Above structure when in use, after shutdown, locked outdoors for rotation by handle.People when in use, after shutdown
Also need to carry out again a step rotation outdoors handle the step of lock a door, operate it is relatively complicated, when people go out, be easy forget turn
Dynamic handle outdoors leads to a closing loosely.
Utility model content
The purpose of the utility model is to provide a kind of self-locking door lock, has and voluntarily lock a door after closing the door, it is easy to operate, it uses
Convenient advantage.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of self-locking door lock, including lock housing, the lock housing include jam plate and substrate, the substrate be equipped with lock tongue and with
Lock tongue connected promotion piece slidably connects on the substrate and stretches out the jam plate induction locking bolt parallel with lock tongue, the base
Plate is equipped with sideboard, and the induction locking bolt passes through sideboard, and the induction locking bolt is equipped with positive stop strip, is arranged on the induction locking bolt
There is reset spring, described reset spring one end and positive stop strip contradict, and the other end and sideboard contradict；
The substrate is equipped with contact-making switch at sideboard, the contact-making switch and induction locking bolt face, in the substrate
Self-locking motor is installed, the self-locking motor is electrically connected with contact-making switch；
Self-locking connecting rod is rotatably connected in the substrate, described self-locking connecting rod one end passes through bevel gear set and self-locking motor phase
Even, the other end is connected with piece is pushed, and the promotion on piece offers the promotion slot matched with self-locking connecting rod.
By using above-mentioned technical proposal, using this door latch structure, when door is normally-open, lock tongue is shunk in substrate, is not stretched
Jam plate out, induction locking bolt stretch out jam plate under the action of reset spring.At closing time, extruding of the induction locking bolt by doorframe, induction
Locking bolt is gradually shunk in substrate towards sideboard movement.When door completely closes, induction locking bolt is shunk on substrate completely, and incudes locking bolt
It being contradicted with contact-making switch, contact-making switch controls self-locking motor starting, and self-locking motor drives self-locking link rotatable by bevel gear set,
The other end of self-locking connecting rod slides in promotion slot, and self-locking connecting rod and the cell wall conflict for pushing slot, self-locking connecting rod drive promotion piece
It is moved to jam plate direction, so that lock tongue stretches out jam plate, by door locking.Pass through setting for induction locking bolt, motor and self-locking connecting rod
It sets, when people close door, door locking is not needed people and swing handle or pass through key again by lock tongue auto-extending jam plate
It is locked on the door, it is easy to use.
Further, it is rotatably connected to unlocking axis on the substrate, is fixed on the unlocking axis and stretches out unlocking axis side wall
Unlocking protrusion, be fixed with pitman shaft on the substrate, unlocking connecting rod, the unlocking connecting rod be rotatably connected on the pitman shaft
One end and unlocking axis side wall contradict, and the end of the self-locking connecting rod is fixed with the unlocking pin perpendicular with self-locking connecting rod, described to open
Lock connecting rod keeps away from one end of lock shaft and pin of unlocking contradicts.
By using above-mentioned technical proposal, unlocking axis is rotated, unlocking axis drives raised rotation of unlocking, protrusion of unlocking and unlocking
The end of connecting rod contradicts and pushes unlocking connecting rod, and unlocking connecting rod is rotated around pitman shaft, the unlocking connecting rod other end push unlock pin from
And self-locking link rotatable is driven, self-locking connecting rod is rotated in slot pushing and is contradicted with groove sidewall is pushed, and self-locking connecting rod passes through promotion
Slot is to pushing piece to apply thrust, so that lock tongue is shunk in substrate, so that door be opened.Unlocking axis can be connected with handle can also be used for
Key is plugged, is unlocked convenient for people.
Further, the side of the unlocking connecting rod towards pin of unlocking offers arc groove.
By using above-mentioned technical proposal, when unlocking connecting rod drives self-locking link rotatable, pin of unlocking slides in arc groove,
The motion path of the split lock pin of arc groove is oriented to, and prevents from stuck not unlocking.
Further, the unlocking groove of annular is offered on the outer wall of the unlocking axis, the unlocking connecting rod is towards unlocking axis
End be set as drops, the end of the unlocking connecting rod is in unlocking groove.
By using above-mentioned technical proposal, in unlocking groove, unlocking groove dual lock connecting rod is carried out for the end of unlocking connecting rod
Limit prevents unlocking connecting rod and unlocking axis to be detached from, influences unlocking effect.The end of unlocking axis is set as drops, unlocking axis with open
The contact area of locked groove is smaller, and friction is small, convenient for the rotation of unlocking axis.
Further, latch bolt is slidably connected on the substrate, described latch bolt one end stretches out the jam plate other end and is connected with latch bolt
Push jack is equipped with latch bolt spring between lock tongue push jack and substrate.
By using above-mentioned technical proposal, latch bolt stretches out jam plate under the action of latch bolt spring always, to prevent door certainly
Row is closed.
Further, it is fixed with unlocking column on the unlocking axis, linked slot, the unlocking are offered on the latch bolt push jack
The end of column is put in linked slot.
By using above-mentioned technical proposal, the rotation of unlocking axis drives the rotation of unlocking column after door is closed, and unlocking column is in linked slot
Interior movement, unlocking column drive latch bolt push jack to move by linked slot, to latch bolt is retracted in substrate, with the unlatching of side door.People
The movement of lock tongue and latch bolt is controlled simultaneously by unlocking axis, it is easy to use.
Further, the limit stop post put in linked slot is fixed on the substrate.
By using above-mentioned technical proposal, the motion path of limit stop post and unlocking column and lock tongue is limited, and is prevented
Lock tongue hyperkinesia influences to unlock.
Further, guide plate is fixed on the substrate, the induction locking bolt is slidably connected on guide plate, described to lead
Guide groove is offered on plate, the positive stop strip is fixed with the gib block being slidably connected in guide groove.
By using above-mentioned technical proposal, when induction locking bolt slides in substrate, gib block slides in guide groove, guiding
Item and guide groove are defined the motion path of induction locking bolt, prevent induction locking bolt sideslip, influence to lock a door.
Further, the promotion on piece offers limiting slot, is fixed with and is slidably connected in limiting slot on the substrate
Limited post.
By using above-mentioned technical proposal, when pushing piece sliding, limited post slides in limiting slot, limited post and limiting slot
The motion path for pushing piece is defined, prevents from pushing piece sideslip stuck.
In conclusion the utility model has the following beneficial effects:
1. by the setting of induction locking bolt, motor and self-locking connecting rod, when people close door, lock tongue auto-extending jam plate
By door locking, does not need people and swing handle or locked on the door by key again, it is easy to use；
2. passing through the setting of unlocking axis, people control the movement of lock tongue by unlocking axis, and it is convenient to open the door.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment.
In figure, 1, lock housing；11, jam plate；12, substrate；121, limited post；14, sideboard；2, lock tongue；21, piece is pushed；211,
Limiting slot；22, slot is pushed；3, incude locking bolt；31, positive stop strip；32, reset spring；43, self-locking connecting rod；45, it unlocks and sells；5, it leads
To plate；51, guide groove；52, gib block；61, unlocking axis；611, unlocking groove；62, it unlocks raised；63, pitman shaft；64, the company of unlocking
Bar；641, arc groove；65, unlocking column；7, latch bolt；71, latch bolt spring；72, linked slot；73, latch bolt push jack；74, limit stop post；
81, contact-making switch；82, self-locking motor；83, circuit board；84, travel switch；841, switch one；842, switch two；85, it triggers
Piece.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:
A kind of self-locking door lock, such as Fig. 1, including lock housing 1, lock housing 1 include jam plate 11 and substrate 12, and jam plate 11 is fixed on base
The side of plate 12 is simultaneously perpendicular with substrate 12.Substrate 12 successively slidably connects latch bolt 7, lock tongue 2 and induction locking bolt from top to bottom
3.Latch bolt 7, lock tongue 2 and the induction extended jam plate 11 of locking bolt 3, are locked on the door.
Such as Fig. 1, latch bolt 7 is connected with latch bolt push jack 73, and latch bolt push jack 73 controls the movement of latch bolt 7.Latch bolt push jack 73
Latch bolt spring 71 is connected between substrate 12.Latch bolt spring 71 in the raw when, latch bolt 7 stretch out jam plate 11, prevent a mistake
It closes.
Such as Fig. 1, substrate 12 is connected with unlocking axis 61 in the rotated down of latch bolt 7, and unlocking axis 61 can be with handle or key phase
Even, unlocking axis 61 is used to open door lock.
Such as Fig. 1, it is fixed with the unlocking column 65 towards latch bolt push jack 73 on unlocking axis 61, offers opening on latch bolt push jack 73
Towards the linked slot 72 of unlocking column 65, linked slot 72 is in " Qian " font.The end of unlocking column 65 is put in linked slot 72.Latch bolt
Spring 71 in the raw when, the side wall of unlocking column 65 and linked slot 72 contradicts.When unlocking, unlocking axis 61, unlocking axis are rotated
61 drive unlocking column 65 to rotate, and unlocking column 65 pushes linked slot 72 to drive latch bolt push jack 73 and latch bolt 7 to slide, and latch bolt 7 contracts
Into on substrate 12, with the opening of side door.
Such as Fig. 1, it is fixed with limit stop post 74 on substrate 12, limit stop post 74 is arranged in linked slot 72.Limit stop post 74
The motion path of latch bolt push jack 73 is defined.7 hyperkinesia of latch bolt is prevented, the use of door lock is influenced.
Such as Fig. 1, lock tongue 2 is by pushing piece 21 to be slidably connected on substrate 12.It pushes and offers limiting slot 211 on piece 21,
The limited post 121 pierced into limiting slot 211 is fixed on substrate 12.When piece 21 being pushed to slide, limited post 121 is in limiting slot 211
Interior sliding, limiting slot 211 and limited post 121, which cooperate, to be oriented to and is limited to the motion path for pushing piece 21.
Such as Fig. 1, the side that promotion piece 21 keeps away from lock shaft 61, which offers, pushes slot 22, on substrate 12 in the case where pushing piece 21
Side is rotatably connected to self-locking connecting rod 43, and self-locking 43 one end of connecting rod and substrate 12 are rotatablely connected, and the other end is slidably connected to promotion slot
In 22.The self-locking rotation of connecting rod 43 is by pushing piece 21 to move the extruding control for pushing slot 22, thus the flexible progress to lock tongue 2
Control.
Such as Fig. 1, unlocking connecting rod 64 is equipped between unlocking axis 61 and self-locking connecting rod 43.It is fixedly connected with to be located on substrate 12 and open
Pitman shaft 63 between lock shaft 61 and promotion piece 21, unlocking connecting rod 64 are rotationally connected on pitman shaft 63.64 one end of unlocking connecting rod
It is contradicted with unlocking axis 61, the other end and self-locking connecting rod 43 contradict.The rotation of unlocking axis 61 drives unlocking connecting rod 64 to rotate, unlocking connecting rod
64 stir self-locking connecting rod 43, and self-locking connecting rod 43 pushes piece 21 that lock tongue 2 is driven to retract, and realize and open the door.
Such as Fig. 1, the unlocking groove 611 of annular is offered on 61 outer wall of unlocking axis, unlocking connecting rod 64 is towards the end of unlocking axis 61
Portion is set as drops in unlocking groove 611, and 61 outer wall of unlocking axis is fixed with outwardly directed unlocking protrusion in unlocking groove 611
62, protrusion 62 of unlocking is contradicted with unlocking connecting rod 64.Unlocking axis 61 rotates, and protrusion 62 of unlocking squeezes unlocking connecting rod 64, pushes and unlocks
Connecting rod 64 rotates.611 dual lock connecting rod 64 of unlocking groove is limited, and 64 sideslip of unlocking connecting rod is prevented.
As the end of Fig. 1, self-locking connecting rod 43 are equipped with the unlocking pin 45 perpendicular with self-locking connecting rod 43, the end of unlocking connecting rod 64
Portion and unlocking pin 45 contradict.Unlocking connecting rod 64 offers arc groove 641, unlocking pin 45 and arc groove close to the end of unlocking pin 45
641 contradict.Unlocking connecting rod 64 rotates, and arc groove 641 and unlocking pin 45 contradict, and arc groove 641 pushes unlocking pin 45, unlocking pin 45
Self-locking connecting rod 43 is driven to rotate, unlocking pin 45 is slided along arc groove 641.
Such as Fig. 1, substrate 12 is equipped with the self-locking structure of control 2 automatic spring of lock tongue.Self-locking structure includes induction 2 He of lock tongue
Self-locking motor 82.
Such as Fig. 1, the circuit board 83 positioned at 2 lower section of lock tongue is installed in substrate 12, is fixed with guide plate 5 on circuit board 83,
Induction locking bolt 3 is slidably connected on guide plate 5.Guide plate 5 is fixed with sideboard 14 far from the side of jam plate 11, incudes locking bolt 3 one
End stretches out 11 other end of jam plate and passes through sideboard 14.It is fixed with positive stop strip 31 on induction locking bolt 3, is set between positive stop strip 31 and sideboard 14
There is reset spring 32.At closing time, induction locking bolt 3, which is squeezed, shrinks in substrate 12；When enabling, locking bolt 3 is incuded in reset spring 32
Lower reset of effect stretches out jam plate 11.
Such as Fig. 1, circuit board 83 is equipped with the contact-making switch 81 opposite with induction locking bolt 3, contact-making switch 81 at sideboard 14
It is electrically connected by circuit board 83 and self-locking motor 82.The output shaft of self-locking motor 82 passes through a pair towards self-locking connecting rod 43
Bevel gear set is connected with self-locking connecting rod 43.
Such as Fig. 1, at closing time, induction locking bolt 3 is squeezed, and shrinks in substrate 12, at this point, induction locking bolt 3 and contact-making switch 81
It contradicting, contact-making switch 81 controls self-locking motor 82 by circuit board 83 and starts, and self-locking motor 82 drives self-locking connecting rod 43 to rotate, from
Lock connecting rod 43 is by pushing piece 21 to pop up lock tongue 2, to lock a door.People only need to close at door, and lock tongue 2 will be automatic
Pop-up is locked on the door, easy to use.
Such as Fig. 1, guide groove 51 is offered on guide plate 5, positive stop strip 31, which is fixedly connected with, to be slidably connected in guide groove 51
Gib block 52, induction locking bolt 3 slides, and gib block 52 slides in guide groove 51.Gib block 52 and guide groove 51 are to induction lock
The motion path of bolt 3 is limited and is fixed.
Such as Fig. 1, circuit board 83 is equipped with a pair of of travel switch 84 towards promotion piece 21 on one side, pushes and be fixedly connected on piece 21
There is the isolation 85 being slidably connected between two travel switches 84.Travel switch 84 is electrical by circuit board 83 and self-locking motor 82
Connection, travel switch 84 divide for the switch 1 close to jam plate 11 and the switch 2 842 far from jam plate 11.Lock tongue 2 stretches out jam plate
When 11, isolation 85 and switch 1 are contradicted, and switch 1 controls self-locking motor 82 and stops operating, and lock tongue 2 does not continue to stretch
Out.
Such as Fig. 1, at closing time, induction locking bolt 3 is squeezed to be contradicted with contact-making switch 81, and contact-making switch 81 is controlled by circuit board 83
Self-locking motor 82 processed starts, and lock tongue 2 pops up, and isolation 85 follows movement to touch up to isolation 85 and switch 1, switchs
841, which control self-locking motor 82 by circuit board 83, stops operating.When enabling, unlocking axis 61 is rotated, and lock tongue 2 retracts, isolation 85
It is contacted with switch 2 842, induction locking bolt 3 resets pop-up and is detached from contact-making switch 81.
Specific implementation process: using this door lock, and at closing time, induction locking bolt 3 is shunk in substrate 12, and self-locking motor 82 starts,
Self-locking connecting rod 43 is driven to rotate, self-locking connecting rod 43, which is stirred, pushes piece 21, pushes piece 21 that lock tongue 2 is released jam plate 11, by door locking.
When enabling, unlocking axis 61 is rotated, and unlocking axis 61 drives latch bolt 7 to retract by unlocking column 65, and unlocking axis 61 passes through protrusion 62 of unlocking
Unlocking connecting rod 64 is driven to rotate, unlocking connecting rod 64 drives self-locking connecting rod 43 to rotate, and self-locking connecting rod 43, which drives, pushes piece 21 to shrink, lock
Tongue 2 is shunk on substrate 12, is opened the door.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of self-locking door lock, including lock housing (1), the lock housing (1) includes jam plate (11) and substrate (12), the substrate
(12) the promotion piece (21) for being equipped with lock tongue (2) and being connected with lock tongue (2), it is characterised in that: the company of sliding on the substrate (12)
It is connected to and stretches out jam plate (11) induction locking bolt (3) parallel with lock tongue (2), the substrate (12) is equipped with sideboard (14), described
Incude locking bolt (3) and pass through sideboard (14), the induction locking bolt (3) is equipped with positive stop strip (31), is arranged on the induction locking bolt (3)
Have reset spring (32), described reset spring (32) one end and positive stop strip (31) contradict, and the other end and sideboard (14) contradict；
The substrate (12) is equipped with contact-making switch (81) at sideboard (14), the contact-making switch (81) and induction locking bolt (3)
Face, the substrate (12) is interior to be equipped with self-locking motor (82), and the self-locking motor (82) is electrically connected with contact-making switch (81)；
It is rotatably connected to self-locking connecting rod (43) in the substrate (12), described self-locking connecting rod (43) one end is by bevel gear set and certainly
It locks motor (82) to be connected, the other end is connected with piece (21) are pushed, and offers on the promotion piece (21) and self-locking connecting rod (43) phase
The promotion slot (22) of cooperation.
2. a kind of self-locking door lock according to claim 1, it is characterised in that: be rotatably connected to out on the substrate (12)
Lock shaft (61), be fixed on the unlocking axis (61) stretch out unlocking axis (61) side wall unlocking it is raised (62), the substrate (12)
On be fixed with pitman shaft (63), be rotatably connected to unlocking connecting rod (64) on the pitman shaft (63), the unlocking connecting rod (64) one
End is contradicted with unlocking axis (61) side wall, and the end of the self-locking connecting rod (43) is fixed with the unlocking perpendicular with self-locking connecting rod (43)
It sells (45), the unlocking connecting rod (64) keeps away from one end of lock shaft (61) and pin (45) of unlocking contradicts.
3. a kind of self-locking door lock according to claim 2, it is characterised in that: the unlocking connecting rod (64) is sold towards unlocking
(45) side offers arc groove (641).
4. a kind of self-locking door lock according to claim 2, it is characterised in that: opened up on the outer wall of the unlocking axis (61)
There is the unlocking groove (611) of annular, the end of unlocking connecting rod (64) towards the unlocking axis (61) is set as drops, and the unlocking connects
The end of bar (64) is in unlocking groove (611).
5. a kind of self-locking door lock according to claim 2, it is characterised in that: slidably connected on the substrate (12) tiltedly
Tongue (7), described latch bolt (7) one end, which is stretched out between jam plate (11) other end and substrate (12), is equipped with latch bolt spring (71).
6. a kind of self-locking door lock according to claim 5, it is characterised in that: be fixed with unlocking on the unlocking axis (61)
Column (65) offers linked slot (72) on the latch bolt (7), and the end of the unlocking column (65) is put in linked slot (72).
7. a kind of self-locking door lock according to claim 6, it is characterised in that: be fixed with the company of putting on the substrate (12)
Limit stop post (74) in dynamic slot (72).
8. a kind of self-locking door lock according to claim 1, it is characterised in that: be fixed with guide plate on the substrate (12)
(5), the induction locking bolt (3) is slidably connected on guide plate (5), offers guide groove (13) on the guide plate (5), described
Positive stop strip (31) is fixed with the gib block (52) being slidably connected in guide groove (13).
9. a kind of self-locking door lock according to claim 1, it is characterised in that: offer limit on the promotion piece (21)
Slot (211) is fixed with the limited post (121) being slidably connected in limiting slot (211) on the substrate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821909325.1U CN209670561U (en) | 2018-11-19 | 2018-11-19 | A kind of self-locking door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821909325.1U CN209670561U (en) | 2018-11-19 | 2018-11-19 | A kind of self-locking door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209670561U true CN209670561U (en) | 2019-11-22 |
Family
ID=68559614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821909325.1U Expired - Fee Related CN209670561U (en) | 2018-11-19 | 2018-11-19 | A kind of self-locking door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209670561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119601A (en) * | 2020-01-19 | 2020-05-08 | 肇庆市志盛门控五金有限公司 | door lock |
-
2018
- 2018-11-19 CN CN201821909325.1U patent/CN209670561U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119601A (en) * | 2020-01-19 | 2020-05-08 | 肇庆市志盛门控五金有限公司 | door lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20191122 Termination date: 20201119 |