CN112922474A - Door and window security self-locking device capable of avoiding child mistakenly opening - Google Patents
Door and window security self-locking device capable of avoiding child mistakenly opening Download PDFInfo
- Publication number
- CN112922474A CN112922474A CN202110136454.1A CN202110136454A CN112922474A CN 112922474 A CN112922474 A CN 112922474A CN 202110136454 A CN202110136454 A CN 202110136454A CN 112922474 A CN112922474 A CN 112922474A
- Authority
- CN
- China
- Prior art keywords
- window
- door
- support plate
- gear
- locking device
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention relates to the technical field of security protection, and discloses a door and window security protection self-locking device for preventing children from opening by mistake, which comprises a movable window, wherein a fixed window is arranged on the side surface of the movable window, a handle is arranged on the surface of the movable window, a torsion spring is arranged on the surface of one end, close to the movable window, of the handle, a fluted disc is arranged on one end, close to the movable window, of the handle, a first support plate is arranged inside the movable window, a gear is arranged on the surface of the first support plate, a rotating rod is arranged on the side surface of the gear, a sliding seat is movably connected to one end, far away from the gear, of the rotating rod, the door and window security protection self-locking device for preventing children from opening by mistake is characterized in that the matching use of a lock rod and the toothed rod, the matching use of a pull rod and the rotating rod, the matching use of the gear, the self-locking effect is good, and the door and window security protection locking operation is convenient.
Description
Technical Field
The invention relates to the technical field of security protection, in particular to a door and window security protection self-locking device capable of preventing children from mistakenly opening.
Background
The security protection is with the purpose of maintaining personal safety and public safety, some means or measures that application safety precaution product or relevant product taken, domestic door and window are when using, in order to improve door and window's safety in utilization, prevent that children from opening by mistake, can do some safeguard procedures to door and window, current door and window's safeguard procedure, add some safety locks in door and window usually, lock the door and window, when opening door and window, open door and window again, this kind of door and window locking's mode operation is complicated, it is inconvenient to use the operation, door and window locking effect is not good, can influence door and window's normal use.
In order to solve the problems, the door and window security self-locking device capable of avoiding the child from mistakenly opening has the advantages of being convenient to open and close door and window, simple in door and window self-locking operation and good in self-locking effect, and the door and window security effect and the convenience in use of the door and window can be effectively improved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the door and window security self-locking device for avoiding the mistaken opening of children, which has the advantages of convenient door and window opening and closing operation, simple door and window self-locking operation and good self-locking effect, and solves the problems that the existing door and window security locking device is troublesome to use and operate, low in convenience and affects the normal use of doors and windows.
(II) technical scheme
In order to realize the purposes of convenient opening and closing operation of the door and window, simple self-locking operation of the door and window and good self-locking effect, the invention provides the following technical scheme: a door and window security self-locking device for preventing children from opening by mistake comprises a movable window, a fixed window is arranged on the side surface of the movable window, the surface of the movable window is provided with a handle, the surface of one end of the handle close to the movable window is provided with a torsion spring, a fluted disc is arranged at one end of the handle close to the movable window, a first support plate is arranged inside the movable window, a gear is arranged on the surface of the first support plate, a rotating rod is arranged on the side surface of the gear, a sliding seat is movably connected with one end of the rotating rod far away from the gear, the surface of the sliding seat is movably connected with a pull rod, the surface of the sliding seat is movably connected with a ratchet wheel, the surface of the first support plate is provided with a rack bar, the surface of the rack bar is movably connected with a lock bar, the surface of the sliding seat is movably connected with a sliding plate, a lock column is arranged inside the sliding plate, and a support plate II is movably connected inside the sliding plate.
Preferably, the surface of the movable window corresponding to the fixed window is provided with a slotted hole, and the position of the fixed window corresponding to the slotted hole on the surface of the movable window is provided with a slotted hole corresponding to the slotted hole on the surface of the movable window.
Preferably, the torsion spring is located between the handle and the inner surface of the moving window.
Preferably, a coaxial design is adopted between the fluted disc and the handle, and a tooth surface is designed on the surface of one side far away from the inner surface of the movable window.
Preferably, a sliding groove is formed in the surface of the first support plate corresponding to one end, away from the gear, of the rotating rod, the gear is matched with the tooth surface of the fluted disc, and the gear and the rotating rod are coaxially designed.
Preferably, the rotating rod is designed by adopting two movably connected connecting rods, one end of the rotating rod, which is far away from the gear, is positioned inside the sliding groove on one surface of the support plate, and the sliding seat is in sliding connection with the support plate I.
Preferably, the pull rod is designed in a V shape and is coaxial with the ratchet wheel, one end of the pull rod, which is close to the rotating rod, corresponds to one end of the rotating rod, which is far away from the gear, and the end of the pull rod, which is far away from the rotating rod, is movably connected with the surface of the sliding plate.
Preferably, the rack bar is matched with the ratchet wheel, one end of the lock bar, which is far away from the rack bar, is movably connected with the surface of one side, which is close to the handle, of the movable window, and a return spring is arranged between the lock bar and the movable window.
Preferably, the lock cylinder is matched with a slotted hole on one side surface of the movable window close to the fixed window, and a reset piece is arranged between the lock cylinder and the sliding seat.
Preferably, the second support plate and the support plate are symmetrically distributed on two sides of the fluted disc, and the second support plate and the first support plate have the same surface structure and are vertically and symmetrically distributed in a vertical plane.
(III) advantageous effects
Compared with the prior art, the invention provides a door and window security self-locking device capable of preventing children from opening by mistake, which has the following beneficial effects:
1. this avoid children's door and window security protection self-lock device of opening by mistake uses through the cooperation of locking lever and ratch, and the ratch is used with the cooperation of ratchet, and the pull rod is used with the cooperation of bull stick, and the cooperation of gear and fluted disc is used, and the fluted disc is used with the cooperation of handle, can carry out the auto-lock to the door and window, door and window auto-lock convenient operation, and the auto-lock is effectual, door and window security protection locking simple operation.
2. This avoid children's door and window security protection self-lock device of opening by mistake uses through the cooperation of locking lever and ratch, and the cooperation of handle and fluted disc is used, and the cooperation of gear and bull stick is used, and the bull stick is used with the cooperation of slide, and the pull rod is used with the cooperation of slide, and the lock post is used with the cooperation of removing window and fixed window, can carry out quick unblock to the door and window, and door and window uses to open and close convenient operation, and the security protection is effectual.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a side view of the first embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;
FIG. 4 is a schematic side view of the present invention.
In the figure: 1. moving the window; 2. fixing the window; 3. a handle; 4. a torsion spring; 5. a fluted disc; 6. a first support plate; 7. a gear; 8. a rotating rod; 9. a slide base; 10. a pull rod; 11. a ratchet wheel; 12. a rack bar; 13. a lock lever; 14. a slide plate; 15. a lock cylinder; 16. a support plate II;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a door and window security self-locking device for preventing children from opening by mistake comprises a movable window 1, wherein a slotted hole is formed in the surface of the movable window 1 corresponding to a fixed window 2, a fixed window 2 is arranged on the side surface of the movable window 1, a slotted hole is formed in the position of the fixed window 2 corresponding to the slotted hole in the surface of the movable window 1 and corresponds to the slotted hole in the surface of the movable window 1, a handle 3 is arranged on the surface of the movable window 1 and is used for driving a fluted disc 5 to rotate, a torsion spring 4 is arranged on the surface of one end, close to the movable window 1, of the handle 3, and the torsion spring 4 is located between the handle 3 and the inner surface of.
One end swing joint that the bull stick 8 kept away from gear 7 has slide 9, be sliding connection between slide 9 and the extension board 6, be used for driving slide 14 and remove, slide 9's surperficial swing joint has pull rod 10, pull rod 10 adopts the V-arrangement design, adopt coaxial design with ratchet 11, be close to the one end of bull stick 8, it is corresponding with the one end that gear 7 was kept away from to bull stick 8, the one end of keeping away from bull stick 8 and the surperficial swing joint of slide 14, be used for driving slide 14 and remove relative slide 9, slide 9's surperficial swing joint has ratchet 11, with the meshing of ratch 12, be used for restricting pull rod 10 and rotate, the surface of extension board 6 is provided with ratch 12, ratch 12 and the 11 looks adaptations of ratchet, mesh with ratchet 11, be used.
The surface swing joint of ratch 12 has locking lever 13, the one end that locking lever 13 kept away from ratch 12 and the surface swing joint that removes window 1 and is close to handle 3 one side, it has reset spring to design between the removal window 1, be used for driving ratch 12 and rotate, the surface swing joint of slide 9 has slide 14, be used for driving lock post 15 and remove, the inside of slide 14 is provided with lock post 15, lock post 15 and the removal window 1 are close to the slotted hole looks adaptation of fixed window 2 one side surface, it has the piece that resets to design between slide 9, be used for the locking and opening between removal window 1 and the fixed window 2, the inside swing joint of slide 14 has extension board two 16, extension board two 16 and extension board 6 symmetric distribution are in the both sides of fluted disc 5, extension board two 16 and the surperficial structure of extension board 6 are the same, be upper and lower symmetric distribution with the surperficial structure.
The working principle is that when the door and window are used, the device can be used for carrying out security self-locking on the door and window, and the specific operation steps are as follows:
when the lock rod 13 is pulled to one side of the moving window 1 close to the handle 3, the lock rod 13 can drive the toothed rod 12 to rotate, the toothed rod 12 can be separated from the surface of the ratchet wheel 11, at the moment, the toothed rod 12 and the ratchet wheel 11 are in a non-meshing state, the handle 3 is rotated in opposite directions, the handle 3 can drive the toothed disc 5 to rotate, the toothed disc 5 drives the gear 7 to rotate through being meshed with the gear 7, and the gear 7 can drive the rotating rod 8 to rotate.
When the rotating rod 8 rotates, the sliding seat 9 is driven to move towards the direction of the gear 7, meanwhile, the rotating rod 8 drives the pull rod 10 to rotate, the pull rod 10 drives the sliding plate 14 to move towards the direction away from the fixed window 2 on the surface of the sliding seat 9, the sliding plate 14 drives the lock column 15 to move together, at the moment, the lock column 15 can be separated from the slotted hole on the surface of the movable window 1, and the movable window 1 and the fixed window 2 are in a sliding state.
When the handle 3 is loosened, the handle 3 rotates reversely under the action of the torsion spring 4, the affected sliding plate 14 drives the lock column 15 to move towards one side of the movable window 1 close to the fixed window 2, when the slotted hole on the surface of the movable window 1 and the slotted hole on the surface of the fixed window 2 are in the same position, the lock column 15 is matched with the slotted hole on the surface of the movable window 1 and the slotted hole on the surface of the fixed window 2 at the same time, and at the moment, the movable window 1 and the fixed window 2 are in a relatively fixed state.
The locking rod 13 is loosened, the locking rod 13 returns to the initial position under the action of a surface return spring, meanwhile, the toothed rod 12 is driven to rotate reversely, the toothed rod 12 is meshed with the surface of the ratchet wheel 11, the rotation of the shaft rod where the pull rod 10 is located can be limited, the pull rod 10 and the corresponding support plate I6 and the support plate II 16 are in a relatively fixed state, correspondingly, the pull rod 10 can limit the rotation of the rotating rod 8, the rotating rod 8 is meshed with the fluted disc 5 through the gear 7, the rotation of the handle 3 is limited, the handle 3 can be in a locked state at the moment and cannot be rotated, and therefore security and protection self-locking can be conducted on the door and the window.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a door and window security protection self-lock device who avoids children to open by mistake, includes removal window (1), its characterized in that: the side of the movable window (1) is provided with a fixed window (2), the surface of the movable window (1) is provided with a handle (3), the surface of one end, close to the movable window (1), of the handle (3) is provided with a torsion spring (4), one end, close to the movable window (1), of the handle (3) is provided with a fluted disc (5), a first support plate (6) is arranged inside the movable window (1), the surface of the first support plate (6) is provided with a gear (7), the side of the gear (7) is provided with a rotating rod (8), one end, far away from the gear (7), of the rotating rod (8) is movably connected with a sliding seat (9), the surface of the sliding seat (9) is movably connected with a pull rod (10), the surface of the sliding seat (9) is movably connected with a ratchet wheel (11), the surface of the first support plate (6) is provided with a toothed rod (12), the surface of the toothed rod (, the surface of the sliding seat (9) is movably connected with a sliding plate (14), a lock cylinder (15) is arranged inside the sliding plate (14), and a second support plate (16) is movably connected inside the sliding plate (14).
2. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the surface of the movable window (1) corresponding to the fixed window (2) is provided with a slotted hole, and the position of the fixed window (2) corresponding to the slotted hole on the surface of the movable window (1) is provided with a slotted hole corresponding to the slotted hole on the surface of the movable window (1).
3. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the torsion spring (4) is positioned between the handle (3) and the inner surface of the movable window (1).
4. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the fluted disc (5) and the handle (3) are coaxially designed, and a tooth surface is designed on the surface of one side far away from the inner surface of the movable window (1).
5. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the surface of the support plate I (6) corresponding to one end of the rotating rod (8) far away from the gear (7) is provided with a sliding groove, the gear (7) is matched with the tooth surface of the fluted disc (5), and the coaxial design is adopted between the gear (7) and the rotating rod (8).
6. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the rotating rod (8) is designed by adopting two movably connected connecting rods, one end, far away from the gear (7), of the rotating rod is located inside the sliding groove in the surface of the first support plate (6), and the sliding seat (9) is in sliding connection with the first support plate (6).
7. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the pull rod (10) is designed in a V shape, is coaxial with the ratchet wheel (11), is close to one end of the rotating rod (8), corresponds to one end of the rotating rod (8) far away from the gear (7), and is movably connected with the surface of the sliding plate (14).
8. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the toothed bar (12) is matched with the ratchet wheel (11), one end of the lock rod (13) far away from the toothed bar (12) is movably connected with the surface of one side, close to the handle (3), of the movable window (1), and a return spring is arranged between the lock rod and the movable window (1).
9. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the lock column (15) is matched with a groove hole on one side surface of the movable window (1) close to the fixed window (2), and a reset piece is arranged between the lock column and the sliding seat (9).
10. The door and window security self-locking device capable of avoiding child misopening according to claim 1, characterized in that: the second support plate (16) and the first support plate (6) are symmetrically distributed on two sides of the fluted disc (5), and the second support plate (16) and the first support plate (6) are identical in surface structure and are vertically symmetrically distributed on a vertical plane with the surface structure of the first support plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110136454.1A CN112922474B (en) | 2021-02-01 | 2021-02-01 | Door and window security self-locking device capable of avoiding child mistakenly opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110136454.1A CN112922474B (en) | 2021-02-01 | 2021-02-01 | Door and window security self-locking device capable of avoiding child mistakenly opening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112922474A true CN112922474A (en) | 2021-06-08 |
| CN112922474B CN112922474B (en) | 2022-12-27 |
Family
ID=76169166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110136454.1A Active CN112922474B (en) | 2021-02-01 | 2021-02-01 | Door and window security self-locking device capable of avoiding child mistakenly opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112922474B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2376279A1 (en) * | 1976-12-30 | 1978-07-28 | Herrenbrandt Michel | Security lock with hinge reinforcements - has three sliding bolts each securing different door edge and converging on plate rotated by cam |
| WO2011131971A1 (en) * | 2010-04-19 | 2011-10-27 | Bowman, Alan | Rotatable or pivotable door handle locking device |
| CN105804533A (en) * | 2016-05-25 | 2016-07-27 | 无锡忻润汽车安全系统有限公司 | Child protection lock mechanism of bi-parting door lock |
| WO2017147986A1 (en) * | 2016-02-29 | 2017-09-08 | 深圳市凯森博格门窗系统有限公司 | Anti-misoperation automatic locking device, and sliding and side hang door/window hardware system having same |
| CN206554631U (en) * | 2017-03-17 | 2017-10-13 | 南京工程学院 | It is a kind of to prevent the door lock assembly of children's false-lock within doors |
| CN108868407A (en) * | 2018-07-30 | 2018-11-23 | 诸暨市利缇物联网科技有限公司 | A kind of multifunctional door and window automatic latch hook device |
| CN108915487A (en) * | 2018-08-21 | 2018-11-30 | 石力峰 | A kind of door switch unit and its application method |
| CN108952365A (en) * | 2018-08-28 | 2018-12-07 | 乐康 | A kind of lock for windows of safety and environmental protection |
| CN110206467A (en) * | 2019-06-17 | 2019-09-06 | 李晨曦 | A kind of burglary-resisting window |
| CN210888602U (en) * | 2019-08-26 | 2020-06-30 | 北京安固缘窗业有限公司 | Door and window device with self-locking function |
| CN210948120U (en) * | 2019-08-03 | 2020-07-07 | 黄志光 | Full stainless steel one-way window lock box |
| CN211818820U (en) * | 2020-02-10 | 2020-10-30 | 贵州富全鑫兰门窗有限公司 | Indoor door and window fastening mechanism capable of preventing children from mistakenly opening |
| CN112252837A (en) * | 2020-09-29 | 2021-01-22 | 雷小叶 | Intelligent child safety protection and antitheft window locking mechanism |
| CN112563918A (en) * | 2020-12-22 | 2021-03-26 | 沈龙博 | Interference-reducing high-voltage power distribution cabinet |
| CN112927448A (en) * | 2021-01-25 | 2021-06-08 | 杨海先 | Security protection doorbell auxiliary device capable of avoiding power failure to cause doorbell to be unavailable |
-
2021
- 2021-02-01 CN CN202110136454.1A patent/CN112922474B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2376279A1 (en) * | 1976-12-30 | 1978-07-28 | Herrenbrandt Michel | Security lock with hinge reinforcements - has three sliding bolts each securing different door edge and converging on plate rotated by cam |
| WO2011131971A1 (en) * | 2010-04-19 | 2011-10-27 | Bowman, Alan | Rotatable or pivotable door handle locking device |
| WO2017147986A1 (en) * | 2016-02-29 | 2017-09-08 | 深圳市凯森博格门窗系统有限公司 | Anti-misoperation automatic locking device, and sliding and side hang door/window hardware system having same |
| CN105804533A (en) * | 2016-05-25 | 2016-07-27 | 无锡忻润汽车安全系统有限公司 | Child protection lock mechanism of bi-parting door lock |
| CN206554631U (en) * | 2017-03-17 | 2017-10-13 | 南京工程学院 | It is a kind of to prevent the door lock assembly of children's false-lock within doors |
| CN108868407A (en) * | 2018-07-30 | 2018-11-23 | 诸暨市利缇物联网科技有限公司 | A kind of multifunctional door and window automatic latch hook device |
| CN108915487A (en) * | 2018-08-21 | 2018-11-30 | 石力峰 | A kind of door switch unit and its application method |
| CN108952365A (en) * | 2018-08-28 | 2018-12-07 | 乐康 | A kind of lock for windows of safety and environmental protection |
| CN110206467A (en) * | 2019-06-17 | 2019-09-06 | 李晨曦 | A kind of burglary-resisting window |
| CN210948120U (en) * | 2019-08-03 | 2020-07-07 | 黄志光 | Full stainless steel one-way window lock box |
| CN210888602U (en) * | 2019-08-26 | 2020-06-30 | 北京安固缘窗业有限公司 | Door and window device with self-locking function |
| CN211818820U (en) * | 2020-02-10 | 2020-10-30 | 贵州富全鑫兰门窗有限公司 | Indoor door and window fastening mechanism capable of preventing children from mistakenly opening |
| CN112252837A (en) * | 2020-09-29 | 2021-01-22 | 雷小叶 | Intelligent child safety protection and antitheft window locking mechanism |
| CN112563918A (en) * | 2020-12-22 | 2021-03-26 | 沈龙博 | Interference-reducing high-voltage power distribution cabinet |
| CN112927448A (en) * | 2021-01-25 | 2021-06-08 | 杨海先 | Security protection doorbell auxiliary device capable of avoiding power failure to cause doorbell to be unavailable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112922474B (en) | 2022-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105822176B (en) | A kind of sled mechanism device for controlling safe handle automatic telescopic | |
| CN110206449B (en) | Safety door device of precious metal storage box | |
| CN205857932U (en) | A kind of Anti-theft door and window locking driver | |
| CN112922474B (en) | Door and window security self-locking device capable of avoiding child mistakenly opening | |
| CN208220422U (en) | A kind of switch gearing structure for safety box | |
| CN201152098Y (en) | Manual window control device | |
| CN204252726U (en) | A kind of device controlling the ejection of safe handle and sled mechanism locking | |
| CN210013570U (en) | Mechanical lock body with linkage function | |
| CN210460276U (en) | Door and window opening limiting mechanism | |
| CN105625863A (en) | Device for controlling popup of safe deposit box handle and locking of slide plate mechanism | |
| CN107091011A (en) | A kind of door lock mechanism | |
| CN206888789U (en) | A kind of anti-theft safe cabinet | |
| CN113585927A (en) | Safe timber | |
| CN209585911U (en) | A kind of safety box door-opening mechanism | |
| CN109184364A (en) | A kind of door locking mechanism | |
| CN105781325B (en) | For door panel of safe box and the locker of doorframe locking | |
| CN109184421A (en) | A kind of linkwork and door component | |
| CN202509947U (en) | Rotary mechanism used for safe cabinet door plate locking | |
| CN213807043U (en) | Novel lock body limiting block structure with self-locking function | |
| CN209704203U (en) | A kind of rotation T-type keeper of safety box | |
| CN109538065A (en) | A kind of door and window system | |
| CN213849531U (en) | Intelligent cabinet with embedded lock catch | |
| CN110685520B (en) | Door with special purpose | |
| CN219241627U (en) | Door lock device | |
| CN209637435U (en) | A kind of rotatable secondary lock of locking bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221209 Address after: 064200 Baozidian town Baozidian village, Zunhua City, Tangshan City, Hebei Province Applicant after: ZUNHUA KUOWANG WOOD INDUSTRY CO.,LTD. Address before: 030000 Xueyuan Road 3, Taiyuan, Shanxi Applicant before: Yang Haixian |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |