CN215482505U - Warning device is used in building engineering construction - Google Patents
Warning device is used in building engineering construction Download PDFInfo
- Publication number
- CN215482505U CN215482505U CN202121526270.8U CN202121526270U CN215482505U CN 215482505 U CN215482505 U CN 215482505U CN 202121526270 U CN202121526270 U CN 202121526270U CN 215482505 U CN215482505 U CN 215482505U
- Authority
- CN
- China
- Prior art keywords
- warning
- warning device
- base
- supporting
- adjusting
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 230000008093 supporting effect Effects 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000002689 soil Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 9
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to the technical field of constructional engineering, and discloses a warning device for constructional engineering construction, which comprises a base and a supporting seat, wherein the supporting seat is installed on the upper surface of the base, the left side and the right side of the front surface and the back surface of the supporting seat are respectively provided with a light reflecting strip for warning, a warning turntable is rotatably connected inside the supporting seat, and the middle part of the inner wall of the rear side of the warning turntable is provided with a warning mark for warning. This warning device for building engineering construction inserts the nail through setting up the location, has realized the plug connection between base and the soil, has guaranteed the base to warning device's supporting effect, through setting up supplementary supporting mechanism, has realized the auxiliary stay to warning device, and further assurance the base is to warning device's supporting effect for warning device can set up subaerially in the building site of difference, has improved warning device's adaptability, has increased warning device's application range.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a warning device for constructional engineering construction.
Background
Through retrieval, chinese patent No. CN209149702U discloses a warning device for constructional engineering construction, relating to the technical field of constructional engineering construction devices, which is basically described as follows: including the handspike, the handspike lower extreme is equipped with the connecting rod, the connecting rod passes the pivot subassembly, be equipped with the warning light on the pivot subassembly, and pivot subassembly lower extreme swing joint warning board, the warning board lower extreme is equipped with the connecting chain, the connecting chain opposite side is connected with the connecting rod, this warning device for construction simple structure, convenient to use, the handspike can freely promote, and warning device can receive and draw rapidly, and the bottom connecting chain can be placed at multiple working face simultaneously, and the top warning light can carry out effective warning effect night.
The warning device under the prior art simple structure, when using, mostly can only place on flat subaerial, is difficult to adapt to the ground of different topography, is difficult to remain stable under the building site situation of difference, and application scope is less, and adaptability is relatively poor, is difficult to satisfy user's user demand.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a warning device for construction engineering construction, which solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a warning device for construction of building engineering comprises a base and a supporting seat, wherein the supporting seat is installed on the upper surface of the base, the left side and the right side of the front surface and the back surface of the supporting seat are respectively provided with a reflective strip for warning, the inside of the supporting seat is rotatably connected with a warning turntable, the middle part of the inner wall of the rear side of the warning turntable is provided with a warning mark for warning, the outer side of the inner wall of the rear side of the warning turntable is provided with a warning lamp for warning, the middle part of the back surface of the warning turntable is provided with a transmission shaft for transmission, the middle part of the back surface of the supporting seat is provided with a driving motor for driving, the output end of the driving motor is connected with the rear end key of the transmission shaft, the middle parts of the front surface and the back surface of the base are respectively provided with an auxiliary supporting mechanism, the auxiliary supporting mechanism comprises a mounting seat, the middle part of the inner wall of the mounting seat is provided with a mounting rod for mounting, the mounting rod is sleeved with a sleeve, the middle part of the outer side surface of the sleeve is inserted with a supporting plate for supporting, the inner side surface of the supporting plate is provided with a limiting plate for limiting, the outer side surface of the supporting plate is provided with a nail hammer seat for supporting, the left side and the right side of the upper surface of the sleeve are respectively provided with a first positioning bolt for positioning, the left side and the right side of the inner wall of the top part and the inner wall of the bottom part of the base are respectively provided with a guide pillar for limiting, the bottom of the outer surface of the guide pillar is sleeved with a return spring, the guide pillar is sleeved with an adjusting frame for adjusting, the left side and the right side of the lower surface of the adjusting frame are respectively provided with a positioning insertion nail, the left side and the right side of the inner side surface of the adjusting frame are respectively provided with a connecting seat for mounting, the tops of the left side and the right side of the inner wall of the base are respectively inserted with an adjusting plate for adjusting, the connecting columns for connecting are respectively arranged on the inner sides of the adjusting plate and the inner wall of the connecting seat, the connecting column is sleeved with a connecting plate for transmission, and the left side and the right side of the front surface and the back surface of the base are provided with second positioning bolts for positioning.
Preferably, the top of the left side surface and the top of the right side surface of the base are both provided with a through groove, and the width of the through groove is one point and one time of the width of the adjusting plate.
Preferably, the middle part of the inner wall of the top of the base is provided with a T-shaped sliding groove, and the inner side of the upper surface of the adjusting plate is fixedly connected with a T-shaped sliding block.
Preferably, the top of the front surface and the back surface of the base and the inner side of the front surface and the back surface of the adjusting plate are both provided with positioning threaded holes.
Preferably, the four corners of the lower surface of the adjusting frame are provided with limiting through holes, and the inner diameters of the limiting through holes are matched with the outer diameters of the guide pillars.
Preferably, the equal fixedly connected with square board in middle part of sleeve left side inner wall and right side inner wall, square groove has all been seted up at the middle part of limiting plate left and right sides face.
(III) advantageous effects
Compared with the prior art, the utility model provides a warning device for construction engineering construction, which has the following beneficial effects:
1. this warning device for building engineering construction inserts the nail through setting up the location, has realized the plug connection between base and the soil, has guaranteed the base to warning device's supporting effect, through setting up supplementary supporting mechanism, has realized the auxiliary stay to warning device, and further assurance the base is to warning device's supporting effect for warning device can set up subaerially in the building site of difference, has improved warning device's adaptability, has increased warning device's application range.
2. This warning device is used in building engineering construction adjusts the transverse position of regulating plate through the user for the regulating plate drives the alignment jig through even board and removes along the guide pillar, and the alignment jig drives the location and inserts the nail and goes up and down, has realized the regulation to location plug pin depth of insertion, makes the user can adjust the depth of insertion of location plug pin according to the user demand, has improved warning device's flexibility, has made things convenient for user's use.
3. This warning device is used in building engineering construction, adjust the backup pad in the inside position of sleeve through the user, realized the regulation to backup pad support length, make the user adjust the support length of backup pad according to the difference of ground situation, warning device's adaptability has been improved, warning device's stability has been guaranteed, it rotates to drive the transmission shaft through driving motor, make the transmission shaft drive the warning carousel and rotate, the warning carousel drives warning mark and warning light and rotates, the attractiveness to pedestrian and vehicle to come is improved, the warning effect to pedestrian and vehicle to come has been strengthened, warning device's warning effect has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic vertical sectional view of a partial structure of the present invention;
fig. 3 is an exploded view of the auxiliary support mechanism of the present invention.
In the figure: 1. a base; 2. a supporting seat; 3. a light-reflecting strip; 4. a warning turntable; 5. a warning sign; 6. a warning light; 7. an auxiliary support mechanism; 701. a mounting seat; 702. mounting a rod; 703. a sleeve; 704. a support plate; 705. a limiting plate; 706. a nail hammer seat; 707. a first positioning bolt; 8. a guide post; 9. a return spring; 10. an adjusting bracket; 11. positioning the plug pins; 12. an adjusting plate; 13. connecting plates; 14. and a second positioning bolt.
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. 1-3, the present invention provides a technical solution: a warning device for construction engineering comprises a base 1 and a supporting seat 2, wherein the supporting seat 2 is installed on the upper surface of the base 1, the left side and the right side of the front surface and the back surface of the supporting seat 2 are respectively provided with a light reflecting strip 3 for warning, the inside of the supporting seat 2 is rotatably connected with a warning turntable 4, the middle part of the inner wall of the back side of the warning turntable 4 is provided with a warning mark 5 for warning, the outer side of the inner wall of the back side of the warning turntable 4 is provided with a warning lamp 6 for warning, the middle part of the back surface of the warning turntable 4 is provided with a transmission shaft for transmission, the middle part of the back surface of the supporting seat 2 is provided with a driving motor for driving, the model of the driving motor is Y80M1-2, the transmission shaft is driven to rotate by the driving motor, so that the transmission shaft drives the warning turntable 4 to rotate, the warning turntable 4 drives the warning mark 5 and the warning lamp 6 to rotate, and the attractiveness to pedestrians and vehicles coming and going vehicles is improved, the warning effect on pedestrians and vehicles is enhanced, the warning effect of the warning device is improved, the output end of the driving motor is in key connection with the rear end of the transmission shaft, the auxiliary supporting mechanisms 7 are arranged in the middle of the front side and the back side of the base 1, the auxiliary supporting of the warning device is realized by arranging the auxiliary supporting mechanisms 7, the supporting effect of the base 1 on the warning device is further ensured, the warning device can be arranged on the ground of different construction sites, the adaptability of the warning device is improved, the use range of the warning device is enlarged, the auxiliary supporting mechanisms 7 comprise mounting seats 701, mounting rods 702 for mounting are arranged in the middle of the inner walls of the mounting seats 701, sleeves 703 are sleeved on the mounting rods 702, supporting plates 704 for supporting are inserted in the middle of the outer side faces of the sleeves, and the positions of the supporting plates 703 inside the sleeves 703 are adjusted by users, the support length of the support plate 704 is adjusted, so that a user can adjust the support length of the support plate 704 according to different ground conditions, the adaptability of the warning device is improved, the stability of the warning device is ensured, the limiting plate 705 for limiting is installed on the inner side surface of the support plate 704, the nail hammer seat 706 for supporting is installed on the outer side surface of the support plate 704, the left side and the right side of the upper surface of the sleeve 703 are respectively provided with a first positioning bolt 707 for positioning, the left side and the right side of the inner wall of the top part and the inner wall of the bottom part of the base 1 are respectively provided with a guide pillar 8 for limiting, the bottom of the outer surface of the guide pillar 8 is sleeved with a return spring 9, an adjusting frame 10 for adjusting is sleeved on the guide pillar 8, the left side and the right side of the lower surface of the adjusting frame 10 are respectively provided with a positioning plug pin 11, the plug connection between the base 1 and soil is realized by arranging the positioning plug pins 11, and the support effect of the base 1 on the warning device is ensured, the connecting seat that is used for the installation is all installed to the left and right sides of alignment jig 10 medial surface, base 1 left and right sides's top all is pegged graft and is had the adjusting plate 12 that is used for the regulation, adjust plate 12's transverse position through the user, make adjusting plate 12 drive alignment jig 10 through even board 13 and remove along guide pillar 8, adjusting frame 10 drives location contact pin 11 and goes up and down, the regulation to location contact pin 11 depth of insertion has been realized, make the user adjust the depth of insertion of location contact pin 11 according to the user demand, the flexibility of warning device has been improved, user's use has been made things convenient for, adjusting plate 12 all is provided with the spliced pole that is used for being connected with the inboard of connecting seat inner wall, cup jointed on the spliced pole and is used for driven even board 13, the left and right sides at base 1 front and the back all is provided with second positioning bolt 14 that is used for the location.
In order to realize the adjustment of the inserting depth of the positioning inserting nail 11, through grooves for moving the adjusting plate 12 are formed in the top of the left side surface and the top of the right side surface of the base 1, the width of each through groove is one point and one time of the width of the adjusting plate 12, when the inserting depth of the positioning inserting nail 11 is adjusted, the adjusting plate 12 moves in the through grooves, the adjusting plate 12 drives the adjusting frame 10 to lift along the guide post 8 through the connecting plate 13, the adjusting frame 10 drives the positioning inserting nail 11 to lift, and the adjustment of the inserting depth of the positioning inserting nail 11 is realized.
In order to ensure the stability of the adjusting plate 12 during movement, a T-shaped sliding groove for limiting is formed in the middle of the inner wall of the top of the base 1, a T-shaped sliding block for limiting is fixedly connected to the inner side of the upper surface of the adjusting plate 12, the T-shaped sliding block slides in the base 1 through the T-shaped sliding groove when the adjusting plate 12 moves, the T-shaped sliding block limits the adjusting plate 12, and the stability of the adjusting plate 12 during movement is ensured.
In order to realize the positioning and installation between the base 1 and the adjusting plate 12, positioning threaded holes for positioning are formed in the top of the front surface and the back surface of the base 1 and the inner sides of the front surface and the back surface of the adjusting plate 12, and the second positioning bolt 14 fixes the base 1 and the adjusting plate 12 through the positioning threaded holes, so that the positioning and installation between the base 1 and the adjusting plate 12 are realized.
In order to ensure the stability of the adjusting frame 10 during movement, the four corners of the lower surface of the adjusting frame 10 are provided with limiting through holes for limiting, the inner diameter of each limiting through hole is matched with the outer diameter of the guide pillar 8, when the adjusting frame 10 moves, the adjusting frame 10 moves along the guide pillar 8 through the limiting through holes, the guide pillar 8 limits the adjusting frame 10, and the stability of the adjusting frame 10 during movement is ensured.
In order to ensure the stability of the limiting plate 705 during movement, square plates for limiting are fixedly connected to the middle portions of the left inner wall and the right inner wall of the sleeve 703, square grooves for limiting are formed in the middle portions of the left side surface and the right side surface of the limiting plate 705, when the limiting plate 705 moves, the limiting plate 705 moves along the square plates through the square grooves, and the square plates limit the limiting plate 705, so that the stability of the limiting plate 705 during movement is ensured.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the warning device is used, a user moves the warning device to a corresponding position, after the warning device is moved, the user clockwise screws the second positioning bolt 14 to disconnect the base 1 from the adjusting plate 12, after the warning device is disconnected, the user pulls the adjusting plate 12 outwards, the adjusting plate 12 drives the adjusting frame 10 to slide downwards along the guide post 8 through the connecting plate 13, the adjusting frame 10 drives the positioning insertion nail 11 to be inserted into soil, after the insertion, the user positions the base 1 and the adjusting plate 12 through the second positioning bolt 14, then the user adjusts the supporting length of the supporting plate 704 according to the use requirement, the user clockwise screws the first positioning bolt 707 to disconnect the sleeve 703 from the limiting plate 705, after the disconnection, the user pulls the supporting plate 704 to move in the sleeve 703, the adjustment of the supporting length of the supporting plate 704 is realized, after the adjustment is completed, the user positions the sleeve 703 and the limiting plate 705 through the first positioning bolt 707, then, the user inserts the small-size nail of inserting on the nail hammer seat 706 in soil, realized supporting the stability of warning device, carrying out the user to warning device, start driving motor, driving motor's the rotatory transmission shaft that drives of output rotates, the transmission shaft drives warning carousel 4 and rotates, warning carousel 4 drives warning sign 5 and warning light 6 and rotates, reflective strip 3, warning sign 5 and warning light 6 warn pedestrian and vehicle up and down.
To sum up, this warning device for building engineering construction inserts nail 11 through setting up the location, has realized the plug connection between base 1 and the soil, has guaranteed base 1 to warning device's supporting effect, through setting up auxiliary stay mechanism 7, has realized the auxiliary stay to warning device, further assurance base 1 to warning device's supporting effect for warning device can set up on the building site of difference is subaerial, has improved warning device's adaptability, has increased warning device's application range.
This warning device is used in building engineering construction, adjust the transverse position of regulating plate 12 through the user, make regulating plate 12 drive alignment jig 10 through even board 13 and remove along guide pillar 8, alignment jig 10 drives location plug pin 11 and goes up and down, realized inserting the regulation of the nail 11 depth of insertion to the location, make the user can adjust the depth of insertion of nail 11 to the location according to the user demand, the flexibility of warning device has been improved, user's use has been made things convenient for.
This warning device is used in building engineering construction, adjust the position of backup pad 704 in sleeve 703 inside through the user, realized supporting the regulation of length to backup pad 704, make the user adjust the supporting length of backup pad 704 according to the difference of ground situation, warning device's adaptability has been improved, warning device's stability has been guaranteed, it rotates to drive the transmission shaft through driving motor, make the transmission shaft drive warning carousel 4 to rotate, warning carousel 4 drives warning sign 5 and warning light 6 and rotates, the attractiveness to pedestrian and vehicle to come has been improved, the warning effect to pedestrian and vehicle to come has been strengthened, warning device's warning effect has been improved.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a warning device is used in building engineering construction, includes base (1) and supporting seat (2), install on the upper surface of base (1) supporting seat (2), its characterized in that: the supporting seat is characterized in that the left side and the right side of the front surface and the back surface of the supporting seat (2) are respectively provided with a reflective strip (3) for warning, the inside of the supporting seat (2) is rotatably connected with a warning turntable (4), the middle part of the inner wall of the rear side of the warning turntable (4) is provided with a warning mark (5) for warning, the outer side of the inner wall of the rear side of the warning turntable (4) is provided with a warning lamp (6) for warning, the middle part of the back surface of the warning turntable (4) is provided with a transmission shaft for transmission, the middle part of the back surface of the supporting seat (2) is provided with a driving motor for driving, the output end of the driving motor is connected with the rear end key of the transmission shaft, the middle parts of the front surface and the back surface of the base (1) are respectively provided with an auxiliary supporting mechanism (7), the auxiliary supporting mechanism (7) comprises a mounting seat (701), the middle part of the inner wall of the mounting seat (701) is provided with a mounting rod (702) for mounting, the mounting device is characterized in that a sleeve (703) is sleeved on the mounting rod (702), a supporting plate (704) for supporting is inserted in the middle of the outer side surface of the sleeve (703), a limiting plate (705) for limiting is mounted on the inner side surface of the supporting plate (704), a nail hammer seat (706) for supporting is mounted on the outer side surface of the supporting plate (704), first positioning bolts (707) for positioning are arranged on the left side and the right side of the upper surface of the sleeve (703), guide pillars (8) for limiting are arranged on the left side and the right side of the inner wall of the top and the inner wall of the bottom of the base (1), return springs (9) are sleeved at the bottoms of the outer surfaces of the guide pillars (8), adjusting frames (10) for adjusting are sleeved on the guide pillars (8), positioning inserting nails (11) are mounted on the left side and the right side of the lower surface of the adjusting frames (10), connecting seats for mounting are mounted on the left side and the right side of the inner side of the adjusting frames (10), adjusting plates (12) used for adjusting are inserted into the tops of the left side face and the right side face of the base (1), connecting columns used for connecting are arranged on the inner sides of the adjusting plates (12) and the inner wall of the connecting seat, connecting plates (13) used for transmission are sleeved on the connecting columns, and second positioning bolts (14) used for positioning are arranged on the left side and the right side of the front face and the back face of the base (1).
2. The warning device for construction engineering construction according to claim 1, wherein: the top of the left side surface and the top of the right side surface of the base (1) are both provided with a through groove, and the width of the through groove is one point and one time of the width of the adjusting plate (12).
3. The warning device for construction engineering construction according to claim 1, wherein: the middle part of the inner wall of the top of the base (1) is provided with a T-shaped sliding groove, and the inner side of the upper surface of the adjusting plate (12) is fixedly connected with a T-shaped sliding block.
4. The warning device for construction engineering construction according to claim 1, wherein: the top of the front and the back of the base (1) and the inner sides of the front and the back of the adjusting plate (12) are provided with positioning threaded holes.
5. The warning device for construction engineering construction according to claim 1, wherein: limiting through holes are formed in four corners of the lower surface of the adjusting frame (10), and the inner diameter of each limiting through hole is matched with the outer diameter of the guide pillar (8).
6. The warning device for construction engineering construction according to claim 1, wherein: the middle parts of the inner wall on the left side and the inner wall on the right side of the sleeve (703) are fixedly connected with square plates, and the middle parts of the left side surface and the right side surface of the limiting plate (705) are provided with square grooves.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121526270.8U CN215482505U (en) | 2021-07-06 | 2021-07-06 | Warning device is used in building engineering construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121526270.8U CN215482505U (en) | 2021-07-06 | 2021-07-06 | Warning device is used in building engineering construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215482505U true CN215482505U (en) | 2022-01-11 |
Family
ID=79724812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121526270.8U Expired - Fee Related CN215482505U (en) | 2021-07-06 | 2021-07-06 | Warning device is used in building engineering construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215482505U (en) |
-
2021
- 2021-07-06 CN CN202121526270.8U patent/CN215482505U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211119103U (en) | Solar street lamp convenient to disassemble | |
CN215482505U (en) | Warning device is used in building engineering construction | |
CN219394764U (en) | Angle-adjustable solar photovoltaic power generation panel bracket | |
CN218941001U (en) | Photovoltaic support and photovoltaic power generation device | |
CN111622589A (en) | Municipal construction is with dismantled and assembled rail guard | |
CN217464264U (en) | Concatenation formula solar street lamp subassembly | |
CN115897603A (en) | Deep foundation pit supporting structure | |
CN115450444A (en) | Super high-rise unitized curtain wall mounting equipment | |
CN212226963U (en) | Night construction light is with adjusting support | |
CN112289192B (en) | Label based on solar power generation and installation method thereof | |
CN212624622U (en) | Embedded display screen mounting base | |
CN217974110U (en) | Warning device for municipal construction | |
CN221566906U (en) | Safety warning device for electric construction | |
CN213629565U (en) | Reinforced mounting structure of LED prompt screen of highway awning | |
CN221000732U (en) | Warning equipment for building engineering safety | |
CN219862396U (en) | Municipal bridge is with strutting arrangement | |
CN216588040U (en) | Rail device that public area fitment of subway used | |
CN216809761U (en) | Slope reinforcement device for water conservancy construction | |
CN210574701U (en) | Signboard convenient to installation | |
CN221821841U (en) | Lifting device for elevator installation | |
CN220749881U (en) | Outdoor lamp mounting structure | |
CN214535980U (en) | Solar street lamp convenient to dismantle | |
CN216346096U (en) | Welding-free LED illuminating lamp | |
CN220649571U (en) | Highway tunnel detection device | |
CN221258486U (en) | OLED display assembly |
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: 20220111 |