CN207944817U - A kind of lockset and antitheft door - Google Patents
A kind of lockset and antitheft door Download PDFInfo
- Publication number
- CN207944817U CN207944817U CN201820250709.0U CN201820250709U CN207944817U CN 207944817 U CN207944817 U CN 207944817U CN 201820250709 U CN201820250709 U CN 201820250709U CN 207944817 U CN207944817 U CN 207944817U
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- lockset
- latch bolt
- screw rod
- lock body
- rod
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Abstract
The utility model is related to smart lock fields, and in particular to a kind of lockset and antitheft door.A kind of lockset, the lockset includes lock body, and the electric screw linkage being arranged on lock body and electronic latch bolt mechanism, the electric screw linkage includes that an at least rotary extension is threaded through the screw rod in the first end face of lock body, and the first drive component of screw rod rotary extension is driven, the electronic latch bolt mechanism includes the flexible latch bolt being threaded through in the first end face of lock body and drives the second drive component of latch bolt retraction.The utility model realizes intelligent opening, electric opening by being provided with electric screw linkage and electronic latch bolt mechanism on lockset, the mode for replacing sliding by screw rod rotation and flexible mode simultaneously, greatly improves anti-theft performance, and, compact-sized, occupied space is small, reduces cost.
Description
Technical field
The utility model is related to smart lock fields, and in particular to a kind of lockset and antitheft door.
Background technology
Domestic antitheft door quality at present on the market is irregular, and almost all of lock body is all slidingtype, lock tongue master
To be cylinder or rectangular, twisting the stroke block in lock body by external force achievees the purpose that switch lock, and such lock body structure is complicated, matches
Part is various, and failure rate is big, and the intelligent lock for having been unable to meet and rising matches, while defensive poor to skeleton key,
Anti-theft performance is low.
And latch bolt is one of important feature of lockset, latch bolt diffraction lockset extends outwardly setting, and is closed on lockset
When, inwardly flexible stretched out after lockset closing convenient for lockset closing and latch bolt realizes locking to latch bolt.
It is manually opened that existing latch bolt uses conventional mechanisms to carry out substantially, it is difficult to incorporate intellectualization times；Alternatively, adopting
With some intelligent opening structures, but it is complicated, it is of high cost, it is unfavorable for user experience, the large-scale production of product.
Utility model content
The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide a kind of lockset, solve
The problem that certainly existing lock core is intelligent, anti-theft is poor.
The technical problem to be solved by the present invention is to, for the drawbacks described above of the prior art, a kind of antitheft door is provided,
Solve the problems, such as that existing lock core is intelligent, anti-theft is poor.
Technical solution adopted by the utility model to solve its technical problems is：A kind of lockset is provided, the lockset includes
Lock body, and the electric screw linkage being arranged on lock body and electronic latch bolt mechanism, the electric screw linkage include extremely
A few rotary extension is threaded through the screw rod in the first end face of lock body, and drives the first driving group of screw rod rotary extension
Part, the electronic latch bolt mechanism include the flexible latch bolt being threaded through in the first end face of lock body and drive the second of latch bolt retraction to drive
Dynamic component.
Wherein, preferred version is：The lockset further includes Bidirectional oblique flap mechanism, and the Bidirectional oblique flap mechanism includes flexible wears
The Bidirectional oblique flap being located in the first end face of lock body and the third elastomeric element being connect with Bidirectional oblique flap；The electric screw bar machine
Structure is arranged in electronic latch bolt Agency between latch bolt mechanism.
Wherein, preferred version is：The free end of the screw rod is equipped with external screw thread, and connecting pin connects with the first drive component
It connects；First drive component further includes the fixed block being fixed on lock body, and the fixed block is equipped with threaded hole, the screw rod
Free end be threadedly coupled with fixed block across threaded hole.
Wherein, preferred version is：First drive component includes the first driving motor, master gear and secondary gear, described
Master gear is connect with the rotating bar of the first driving motor, the connecting pin coaxial arrangement of the secondary gear and screw rod, the main tooth
Wheel engages setting with time gear.
Wherein, preferred version is：The electric screw linkage further includes one first emergency opening component, and described first answers
Anxious opening assembly includes the emergency gear for extending the first rotation section of lock body setting and being connect with the first rotation section, described emergent
Gear engages setting with master gear or secondary gear.
Wherein, preferred version is：The electronic latch bolt mechanism further includes being connect with the fixed fixing bracket of lock body, with latch bolt
Oblique tongue rod and for push latch bolt move forward flexible restoring organ, second drive component and oblique tongue rod are arranged at fixation
On holder, second drive component includes the moving portion moved after a drive oblique tongue rod, the latch bolt with the movement of oblique tongue rod and
It is mobile.
Wherein, preferred version is：The end of the oblique tongue rod includes the first extension, and the moving portion includes along latch bolt
The rack of bar moving direction movement, and the second extension in rack end is set, second extension is resisted against first
The inside of extension, second drive component include the second driving motor and the motor gear that is engaged with rack, the motor
Gear is moved in the driving lower band carry-over bar of the second driving motor, and is driven by the cooperation of the second extension and the first extension
It is moved after oblique tongue rod.
Wherein, preferred version is：The electronic latch bolt mechanism further includes the second emergency opening component, the emergency opening group
Part includes the rotating bar extended the second rotation section of lock body setting and be arranged as axis rotation using the second rotation section, the rotation
The other end of bar is resisted against the inside of the first extension.
Wherein, preferred version is：The electric screw linkage further includes the screw rod holder being fixedly installed with screw rod,
Boss is provided on the screw rod holder, the lockset further includes a universe rod, and the universe rod includes skewed slot, the spiral shell
The boss of swing arm holder is set on skewed slot.
Technical solution adopted by the utility model to solve its technical problems is：A kind of antitheft door, the antitheft door are provided
Including door leaf and doorframe, lockset is installed on the door leaf, the doorframe is provided with knocker plate, and the knocker plate includes screw rod
Knocker frame matches the first knocker hole with the screw rod of lockset and matches the second knocker hole, the spiral with the latch bolt of lockset
It is provided on bar knocker frame and passes through the first knocker hole with the matched knocker frame aperture of the screw rod of lockset, the screw rod of the lockset
It stretches into knocker frame aperture.
The beneficial effects of the utility model are, compared with prior art, the utility model by designing a kind of lockset,
It is provided with electric screw linkage and electronic latch bolt mechanism on lockset, realizes intelligent opening, electric opening, while passing through screw rod
Rotation and flexible mode replace the mode of sliding, greatly improve anti-theft performance, and, compact-sized, occupied space is small,
Reduce cost.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structural schematic diagram of the utility model lockset；
Fig. 2 is the structural schematic diagram of the utility model knocker plate；
Fig. 3 is the structural schematic diagram of the utility model antitheft door；
Fig. 4 is the structural schematic diagram of the utility model electric screw linkage；
Fig. 5 is the configuration schematic diagram of Fig. 4；
Fig. 6 is the structural schematic diagram of the utility model the first emergency opening component；
Fig. 7 is the structural schematic diagram of the electronic latch bolt mechanism of the utility model；
Fig. 8 is the configuration schematic diagram of Fig. 7；
Fig. 9 is the structural schematic diagram of the utility model the second emergency opening component.
Specific implementation mode
In conjunction with attached drawing, elaborate to the preferred embodiment of the utility model.
As shown in Figure 1, the utility model provides a kind of preferred embodiment of lockset.
A kind of lockset, the lockset include lock body 10, and the electric screw linkage 20 and electricity being arranged on lock body 10
Dynamic latch bolt mechanism 30, the electric screw linkage 20 are threaded through including an at least rotary extension in the first end face 12 of lock body 10
Screw rod 21, and drive 21 rotary extension of screw rod the first drive component 22, the electronic latch bolt mechanism 30 include stretch
The latch bolt 31 and the second drive component 32 for driving latch bolt 31 to retract that contracting is threaded through in the first end face 12 of lock body 10.
Specifically, lock body 10 includes shell, and the cavity 11 being arranged in shell, and the shell includes first end face 12
With second end face 13, screw rod 21 and latch bolt 31 are threaded through in the first end face 12 of shell；And electric screw linkage 20
It is arranged in cavity 11, and is fixed on shell with electronic latch bolt mechanism 30；And the drive in the first drive component 22
Under, it 21 autobiography of screw rod and is threaded through in the first end face 12 of lock body 10 and carries out telescopic moving, realize spiral locking, driven second
Under the drive of dynamic component 32, latch bolt 31, which is threaded through in the first end face 12 of lock body 10, carries out retraction movement.
Preferably, the electric screw linkage 20 includes three screw rods 21 arranged side by side, preferably three, is realized
Multiple locking increases anti-theft effect.
In the present embodiment, the lockset further includes Bidirectional oblique flap mechanism 40, and the Bidirectional oblique flap mechanism 40 includes flexible
The Bidirectional oblique flap 41 being threaded through in the first end face 12 of lock body 10 and the third elastomeric element 42 being connect with Bidirectional oblique flap 41.
Specifically, Bidirectional oblique flap mechanism 40 further includes 41 bar of Bidirectional oblique flap being connect with Bidirectional oblique flap 41, and setting exists
The fixed block 223 of 41 bar end of Bidirectional oblique flap, and entire Bidirectional oblique flap mechanism 40 is fixed on to the of shell by fixed block 223
On biend 13；Spring is arranged on 41 bar of the Bidirectional oblique flap, the both ends of the spring are born against in 41 He of Bidirectional oblique flap
Fixed block 223.
Preferably, the electric screw linkage 20 is arranged between electronic latch bolt mechanism 30 and Bidirectional oblique flap mechanism 40；
And it is longitudinally disposed on the same line.
In the present embodiment, the electronic latch bolt mechanism 30 further includes and 10 fixed fixing bracket 33 of lock body and latch bolt
The oblique tongue rod 311 of 31 connections and the flexible restoring organ for pushing the Forward of latch bolt 31, the second drive component 32 drive latch bolt 31
After move, i.e., to moving inside the cavity 11 of lock body 10, and after the reset of the second drive component 32, flexible restoring organ drives latch bolt
31 Forwards, i.e., after move it is opposite reversed.
Wherein, flexible restoring organ is preferably the spring 312 being set on oblique tongue rod 311, the both ends point of the spring 312
It is not resisted against latch bolt 31 and fixing bracket 33.
In the present embodiment, the cavity 11 of lock body 10 is additionally provided with circuit board 60, and the circuit board 60 is equipped with for controlling
Lockmaking has the circuit structure of work, and is connect respectively with the first drive component 22 and the second drive component 32, the first driving of control
Component 22 and the work of the second drive component 32.
As shown in Figures 2 and 3, the utility model provides a kind of preferred embodiment of antitheft door.
A kind of antitheft door, the antitheft door include door leaf 220 and doorframe 210, and lockset, institute are equipped on the door leaf 220
It states doorframe 210 and is provided with knocker plate 100, the knocker plate 100 includes screw rod knocker frame 101,21 phase of screw rod with lockset
Coordinate the first knocker hole (not shown) and matches the second knocker hole 110, the screw rod knocker frame 101 with the latch bolt 31 of lockset
On be provided with and pass through the first knocker hole with 21 matched knocker frame aperture 1011 of the screw rod of lockset, the screw rod 21 of the lockset
It stretches into knocker frame aperture 1011.
And knocker plate 100 is additionally provided with the third knocker hole 120. coordinated with Bidirectional oblique flap mechanism 40
Specifically, a kind of antitheft door operation embodiment is provided：When door leaf 220 closes up to doorframe 210, latch bolt 31 is first due to door
It retracts under the action of buckle 100 lockset, and stretches out lockset after closing up and stretch into the second knocker hole 110, and under control
(passing through lockset electronic button or remote control lockset circuit), by 31 retraction lockset of latch bolt, can be incited somebody to action by the second drive component 32
Door leaf 220 is opened from doorframe 210；And close up to doorframe 210 in door leaf 220, it (is pressed under control by lockset electronics
Button or remote control lockset circuit) rotation of screw rod 21 extend out to by lockset by the first drive component 22, and pass through first
Button hole stretches into the knocker frame aperture 1011 of screw rod knocker frame 101, realizes that lockset is locked；And (pass through lockset electricity under control
Sub- button or remote control lockset circuit) rotation of screw rod 21 is retracted to by lockset by the first drive component 22, it realizes and releases
It locks.
Further, when door leaf 220 closes up to doorframe 210, Bidirectional oblique flap mechanism 40 realize door leaf 220 stabilization close up to
In doorframe 210, and latch bolt 31, screw rod 21 are aligned with corresponding hole position, improve the stability of antitheft door.
As shown in Figures 4 to 6, the utility model provides a kind of preferred embodiment of electric screw linkage.
The free end 211 of the screw rod 21 is equipped with external screw thread, and connecting pin 212 is connect with the first drive component 22；Institute
It further includes the fixed block 223 being fixed on lock body 10 to state the first drive component 22, and the fixed block 223 is equipped with threaded hole, described
The free end 211 of screw rod 21 is threadedly coupled across threaded hole with fixed block 223.
In the present embodiment, first drive component 22 includes the first driving motor 221, master gear 2221 and secondary gear
2222, the master gear 2221 is connect with the rotating bar 342 of the first driving motor 221, the secondary gear 2222 and screw rod 21
Connecting pin 212 be coaxially disposed, the master gear 2221 engages setting with secondary gear 2222.
Further, the secondary gear 2222 is rotatably installed in fixed seat 224, master gear 2221 and the first driving motor
221 are sequentially connected, and are engaged with secondary gear 2222；The connecting pin 212 of screw rod 21 and time gear 2222 are coaxially connected.Wherein,
Master gear 2221 and time gear 2222 are helical gear, and the helical gear accuracy of mesh is high, and rotational noise is small.And master gear 2221
Other shapes of gear, such as roller gear, bevel gear etc. are can also be with secondary gear 2222.
In order to make time gear 2222 that can drive 21 rotation of screw rod, and the flexible of screw rod 21, secondary gear are not interfered
2222 center offers non-circular irregularly-shaped hole 22221, outer profile and the irregularly-shaped hole 22221 of the connecting pin 212 of screw rod 21
It matches, and that slides is plugged in irregularly-shaped hole 22221.Referring to FIG. 2, the cutting of connecting pin 212 of screw rod 21 forms one
Cutting plane, the interior boss face for forming one and cutting plane cooperation of irregularly-shaped hole 22221, i.e. screw rod 21 can be with secondary gear
2222 rotations, and can be relative to the opposite sliding of secondary gear 2222.
In the present embodiment, the electric screw linkage 20 further includes one first emergency opening component 23, and described first
Emergency opening component 23 includes extending the first rotation section (not shown) of the setting of lock body 10 and being answered with what the first rotation section was connect
Anxious gear 231, the emergency gear 231 engage setting with master gear 2221 or secondary gear 2222.
Specifically, first rotation section one end is rotatablely connected with emergency gear 231, and the other end stretches out the second end face of shell
13 settings.
As shown in Figure 7 to 9, the utility model provides a kind of preferred embodiment of electronic latch bolt mechanism.
Second drive component 32 and oblique tongue rod 311 are arranged on fixing bracket 33, second drive component 32
Including the moving portion 323 moved after a drive oblique tongue rod 311, the latch bolt 31 is moved with the movement of oblique tongue rod 311.
In the present embodiment, the end of the oblique tongue rod 311 includes the first extension 3111, and the moving portion 323 is wrapped
The rack 32301 moved along 311 moving direction of oblique tongue rod is included, and the second extension 3231 in 32301 end of rack is set,
Second extension 3231 is resisted against the inside of the first extension 3111, and second drive component 32 includes the second driving electricity
Machine 321 and the motor gear 322 engaged with rack 32301, the motor gear 322 is under the driving of the second driving motor 321
Band carry-over bar 32301 move, and by the cooperation of the second extension 3231 and the first extension 3111 drive oblique tongue rod 311 after
It moves.
Preferably, first extension 3111 is extended to 311 cross section direction of oblique tongue rod, second extension
3231 are extended to moving structure cross section direction.Preferably, oblique tongue rod 311 is pin feature, and lug cap prolongs for first
Extending portion 3111.
Specifically, the second driving motor 321 rotates, and motor gear 322 is driven to rotate, and motor gear 322 is in rack
When being rotated on 32301, and moving structure is driven to be moved forward and backward along 32301 setting direction of rack, and moved after moving structure, lead to
The inside that the second extension 3231 is resisted against the first extension 3111 is crossed, is moved after driving oblique tongue rod 311.And in moving structure
When Forward, the second extension 3231 is driven to restore to origin-location, the first extension 3111 is due to lacking the second extension 3231
Thrust, and under the promotion of the elastic force of spring, restore to origin-location.
In the present embodiment, the electronic latch bolt mechanism 30 further includes the second emergency opening component, the emergency opening group
Part includes extending the second rotation section 341 of the setting of lock body 10 and is the rotating bar that axis rotation is arranged with the second rotation section 341
342, the other end of the rotating bar 342 is resisted against the inside of the first extension 3111.
Such as Fig. 1, Fig. 4 and Fig. 5, the utility model provides a kind of preferred embodiment of universe rod.
The electric screw linkage 20 further includes 21 holder of screw rod being fixedly installed with screw rod 21, the screw rod
Boss is provided on 21 holders, the lockset further includes a universe rod 50, and the universe rod 50 includes skewed slot, the screw rod
The boss of 21 holders is set on skewed slot, further includes the fixed link being set on the skewed slot of universe rod 50 on the lock body 10.
Specifically, the corresponding position of door leaf 220 and doorframe 210 is provided with corresponding hole position, and universe rod 50 is in screw rod 21
Drive under, the thick end of the scroll 51 of universe rod 50, which rises, simultaneously to be stretched into across door leaf 220 in doorframe 210, the decline of the thin end of the scroll 52 of universe rod 50
And stretched into doorframe 210 across door leaf 220, screw rod 21 stretches into doorframe 210 at this time, and makes the boss card of 21 holder of screw rod
In the upper end of 52 skewed slot of the lower end of 51 skewed slot of the thick end of the scroll and the thin end of the scroll；Conversely, universe rod 50 is under the drive of screw rod 21, universe rod 50
The decline of the thick end of the scroll 51 be retracted in lockset, the rising of the thin end of the scroll 52 of universe rod 50 is retracted in lockset, and screw rod 21 is retracted at this time
In lockset, and make the boss of 21 holder of screw rod be stuck in 51 skewed slot of the thick end of the scroll upper end and low bar skewed slot lower end.
As described above, only the best embodiment of the utility model is not intended to limit the scope of the utility model,
All equivalent change or modifications made according to the patent scope of the utility model are all that the utility model is covered.
Claims (10)
1. a kind of lockset, it is characterised in that：The lockset includes lock body, and the electric screw linkage being arranged on lock body and
Electronic latch bolt mechanism, the electric screw linkage include that an at least rotary extension is threaded through the spiral in the first end face of lock body
Bar, and the first drive component of screw rod rotary extension is driven, the electronic latch bolt mechanism includes stretching to be threaded through lock body
The second drive component that latch bolt and drive latch bolt in first end face are retracted.
2. lockset according to claim 1, it is characterised in that：The lockset further includes Bidirectional oblique flap mechanism, described two-way
Latch bolt mechanism includes the flexible Bidirectional oblique flap being threaded through in the first end face of lock body and the third elastic portion being connect with Bidirectional oblique flap
Part；The electric screw linkage is arranged in electronic latch bolt Agency between latch bolt mechanism.
3. lockset according to claim 1, it is characterised in that：The free end of the screw rod is equipped with external screw thread, connection
End is connect with the first drive component；First drive component further includes the fixed block being fixed on lock body, and the fixed block is set
There are threaded hole, the free end of the screw rod to be threadedly coupled with fixed block across threaded hole.
4. lockset according to claim 3, it is characterised in that：First drive component includes the first driving motor, master
Gear and time gear, the master gear are connect with the rotating bar of the first driving motor, the connecting pin of the secondary gear and screw rod
Coaxial arrangement, the master gear engage setting with time gear.
5. lockset according to claim 4, it is characterised in that：The electric screw linkage further includes one first emergent opening
Component is opened, the first emergency opening component includes extending the first rotation section of lock body setting and being connect with the first rotation section
Emergency gear, the emergency gear engage setting with master gear or secondary gear.
6. lockset according to claim 1, it is characterised in that：The electronic latch bolt mechanism further includes fixed solid with lock body
Fixed rack, the oblique tongue rod being connect with latch bolt and for push latch bolt move forward flexible restoring organ, second drive component and
Oblique tongue rod is arranged on fixing bracket, and second drive component includes the moving portion moved after a drive oblique tongue rod, it is described tiltedly
Tongue is moved with the movement of oblique tongue rod.
7. lockset according to claim 6, it is characterised in that：The end of the oblique tongue rod includes the first extension, institute
It includes the rack moved along oblique tongue rod moving direction to state moving portion, and the second extension in rack end is arranged, and described
Two extensions are resisted against the inside of the first extension, and second drive component includes the second driving motor and engaged with rack
Motor gear, the motor gear is moved in the driving lower band carry-over bar of the second driving motor, and passes through the second extension and the
The cooperation of one extension moves after driving oblique tongue rod.
8. lockset according to claim 7, it is characterised in that：The electronic latch bolt mechanism further includes the second emergency opening group
Part, the emergency opening component include extending the second rotation section of lock body setting and being arranged by axis rotation of the second rotation section
Rotating bar, the other end of the rotating bar is resisted against the inside of the first extension.
9. lockset according to claim 1, it is characterised in that：The electric screw linkage further includes being fixed with screw rod
The screw rod holder of setting is provided with boss on the screw rod holder, and the lockset further includes a universe rod, the universe rod
Include skewed slot, the boss of the screw rod holder is set on skewed slot.
10. a kind of antitheft door, it is characterised in that：The antitheft door includes door leaf and doorframe, is installed just like right on the door leaf
It is required that 1 to 9 any lockset, the doorframe are provided with knocker plate, the knocker plate includes screw rod knocker frame and lockset
Screw rod match the first knocker hole and match the second knocker hole with the latch bolt of lockset, be arranged on the screw rod knocker frame
Have and stretches into knocker frame aperture across the first knocker hole with the matched knocker frame aperture of the screw rod of lockset, the screw rod of the lockset
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820250709.0U CN207944817U (en) | 2018-02-10 | 2018-02-10 | A kind of lockset and antitheft door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820250709.0U CN207944817U (en) | 2018-02-10 | 2018-02-10 | A kind of lockset and antitheft door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207944817U true CN207944817U (en) | 2018-10-09 |
Family
ID=63699852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820250709.0U Active CN207944817U (en) | 2018-02-10 | 2018-02-10 | A kind of lockset and antitheft door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207944817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286373A (en) * | 2018-02-10 | 2018-07-17 | 深圳市罗曼斯科技有限公司 | A kind of lockset and antitheft door |
| CN110685503A (en) * | 2019-10-25 | 2020-01-14 | 上海勃傲自动化系统有限公司 | Back locking device of intelligent safety lock |
-
2018
- 2018-02-10 CN CN201820250709.0U patent/CN207944817U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286373A (en) * | 2018-02-10 | 2018-07-17 | 深圳市罗曼斯科技有限公司 | A kind of lockset and antitheft door |
| CN108286373B (en) * | 2018-02-10 | 2023-11-03 | 深圳市罗漫斯智能家居有限公司 | Lockset and burglarproof door |
| CN110685503A (en) * | 2019-10-25 | 2020-01-14 | 上海勃傲自动化系统有限公司 | Back locking device of intelligent safety lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190729 Address after: 518000 Longxin Community Fengda Science and Technology Park Phase II Building 703, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Romans Smart Home Co., Ltd. Address before: 518000 Building D of Longda Industrial Park, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: Romance Science and Technology Ltd. of Shenzhen |
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| TR01 | Transfer of patent right |