CN215411193U - Intelligent signboard that can network and control - Google Patents
Intelligent signboard that can network and control Download PDFInfo
- Publication number
- CN215411193U CN215411193U CN202120717144.4U CN202120717144U CN215411193U CN 215411193 U CN215411193 U CN 215411193U CN 202120717144 U CN202120717144 U CN 202120717144U CN 215411193 U CN215411193 U CN 215411193U
- Authority
- CN
- China
- Prior art keywords
- groups
- worm
- groove
- side wall
- limiting
- 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
- 230000006855 networking Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Landscapes
- Displays For Variable Information Using Movable Means (AREA)
Abstract
The utility model relates to the technical field of signboard, in particular to an intelligent signboard capable of being controlled in a networking way, which is convenient for a device to move and improves the practicability of the device; the display device comprises a base, a connecting plate, a bracket and a display panel, wherein the display panel is arranged on the bracket; the four-shaft-drive-type elevator is characterized by further comprising a first supporting plate, a second supporting plate, a third worm, a motor, a transmission rod, a first worm wheel, a second worm, a mounting plate, a limiting rod, a universal wheel and a driving mechanism, wherein the motor is connected with the right half area of the inner bottom side wall of the mounting groove, the output end of the motor is connected with the input end of the third worm, the upper half areas of the right ends of the two groups of first supporting plates and the second supporting plates are respectively provided with a second rotating hole, the transmission rod is sleeved with four groups of second rotating hole bearings, the central area of the inner top side wall of the mounting groove is provided with an arc-shaped groove, the first worm wheel is fixedly sleeved on the transmission rod, and the left ends of the two groups of second worms are respectively connected with the left side wall of the left lifting groove and the right side wall of the right lifting groove.
Description
Technical Field
The utility model relates to the technical field of signboard, in particular to an intelligent signboard capable of being controlled in a networking mode.
Background
As is known, an intelligent signboard which can be controlled in a network is an auxiliary device for indicating a position, and is widely used in the field of signboard; the existing intelligent signboard capable of being controlled through networking comprises a base, a connecting plate, a support and a display panel, wherein the connecting plate is arranged on the base, the bottom end of the support is connected with the top end of the connecting plate, and the display panel is arranged on the support; when the existing intelligent signboard capable of being controlled through networking is used, the device is moved to a specified position firstly, then the display panel is electrified, then a controller edits characters displayed on the display panel, and finally the device indicates the intelligent signboard; present intelligent signboard that can control in networking uses the discovery, and this device when instructing in the market because the activity needs frequent removal at ordinary times in the market, but needs artificial transport to appointed position when removing, wastes time and energy, and the practicality that leads to the device is relatively poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the intelligent signboard which is convenient for the device to move and can be controlled through networking, and the practicability of the device is improved.
The utility model discloses an intelligent signboard capable of being controlled in a networking mode, which comprises a base, a connecting plate, a support and a display panel, wherein the connecting plate is installed on the base, the bottom end of the support is connected with the top end of the connecting plate, and the display panel is arranged on the support; the lifting device comprises a base, a first supporting plate, a second supporting plate, a third worm, a motor, a transmission rod, a first worm wheel, a second worm, a mounting plate, a limiting rod, a universal wheel and a driving mechanism, wherein two groups of lifting grooves are symmetrically arranged at the bottom end of the base, the top ends of the two groups of lifting grooves are communicated and provided with limiting grooves, a mounting groove is communicated and provided between the two groups of lifting grooves, a first sliding groove and a second sliding groove are respectively arranged on the inner left side wall and the inner right side wall of the two groups of lifting grooves and the two groups of limiting grooves, the first supporting plate and the second supporting plate are symmetrically arranged in the mounting groove, a first rotating hole is arranged in the lower half area of the right first supporting plate, the left end of the third worm penetrates through the first rotating hole to be connected with a bearing in the lower half area of the left first supporting plate, the third worm is connected with a bearing in the first rotating hole, the motor is connected with the right half area of the inner bottom wall of the mounting groove, the output end of the motor is connected with the input end of the third worm, the upper half area of the right ends of the two groups of first supporting plates and the second supporting plates is provided with a second rotating hole, the transmission rod is sleeved with four groups of second rotating hole bearings, the central area of the top side wall in the installation groove is provided with an arc-shaped groove, the first worm wheel is fixedly sleeved on the transmission rod, the first worm wheel is meshed with the third worm, the left ends of the two groups of second worms are respectively connected with the left side wall in the left lifting groove and the right side wall in the right lifting groove through bearings, the left ends and the right ends of the two groups of installation plates are provided with limit rods, the multiple groups of limit rods are respectively connected with the first sliding grooves of the left lifting groove and the right lifting groove in a sliding mode, the bottom ends of the two groups of installation plates are respectively provided with two groups of universal wheels, the two groups of driving mechanisms are respectively installed on the two groups of installation plates, and the input ends of the two groups of driving mechanisms are respectively connected with the output ends of the two groups of second worms.
The utility model discloses an intelligent signboard capable of being controlled in a networking mode.
According to the intelligent signboard capable of being controlled through networking, the third sliding grooves are communicated in the four groups of first sliding grooves, the four groups of limiting rods are provided with fixing rods, the front ends and the rear ends of the four groups of fixing rods can be rotatably provided with first rollers, and the multiple groups of first rollers are connected with the third sliding grooves in a sliding mode.
According to the intelligent signboard capable of being controlled through networking, the front side walls and the rear side walls in the four groups of second sliding grooves are respectively communicated with the fourth sliding grooves, the front half areas and the rear half areas of the four groups of limiting plates are respectively provided with the second rollers, and the multiple groups of second rollers are respectively in sliding connection with the multiple groups of fourth sliding grooves.
According to the intelligent signboard capable of being controlled in a networking mode, the anti-skid pad is arranged at the bottom end of the base.
According to the intelligent signboard capable of being controlled in a networking mode, the limiting blocks are arranged in the multiple groups of first sliding grooves.
The intelligent signboard capable of being controlled through networking also comprises supporting rods, wherein the bottom ends of the two groups of supporting rods are respectively connected with the left half areas of the top ends of the two groups of mounting plates, and the top ends of the two groups of supporting rods are respectively connected with the lower half areas of the left ends of the two groups of racks.
The surface of the universal wheels of the intelligent signboard capable of being controlled in a networking mode is provided with the thread surface.
Compared with the prior art, the utility model has the beneficial effects that: through setting up first backup pad, open the power of motor, it is rotatory that motor and third worm cooperation drive first worm wheel under the support of first backup pad, first worm wheel and transfer line cooperation drive two sets of second worms rotatory, two sets of second worms drive the mounting panel decline under two sets of actuating mechanism's cooperation, the mounting panel descends through the spacing universal wheel that drives of gag lever post and first spout when going up and down, support the device, the mounting panel promotes after the universal wheel removes the lift groove, the motor is closed, promote the device this moment can, the device of being convenient for removes, the practicality of device is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view showing a connection structure of a fixing rod of the stopper rod according to the present invention;
FIG. 4 is a schematic view of a connection structure of a limiting plate and a second roller in the present invention;
FIG. 5 is a schematic diagram of a positional relationship between a stopper and a first sliding groove in the present invention;
in the drawings, the reference numbers: 1. a base; 2. a connecting plate; 3. a support; 4. a display panel; 6. a first support plate; 7. a second support plate; 8. a third worm; 9. a motor; 10. a transmission rod; 11. A first worm gear; 12. a second worm; 13. mounting a plate; 14. a limiting rod; 15. a universal wheel; 16. a fixed shaft; 17. a second worm gear; 18. a rack; 19. a limiting plate; 20. fixing the rod; 21. a first roller; 22. a second roller; 23. a non-slip mat; 24. a limiting block; 25. a support rod.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 5, the intelligent signboard capable of being controlled in a network comprises a base 1, a connecting plate 2, a support 3 and a display panel 4, wherein the connecting plate 2 is installed on the base 1, the bottom end of the support 3 is connected with the top end of the connecting plate 2, and the display panel 4 is arranged on the support 3; the bottom end of the base 1 is symmetrically provided with two groups of lifting grooves, the top ends of the two groups of lifting grooves are communicated with limiting grooves, a mounting groove is communicated between the two groups of lifting grooves, the inner left side wall and the inner right side wall of the two groups of lifting grooves and the two groups of limiting grooves are respectively provided with a first sliding groove and a second sliding groove, the first support plate 6 and the second support plate 7 are symmetrically mounted in the mounting groove, the lower half area of the right first support plate 6 is provided with a first rotating hole, the left end of the third worm 8 penetrates through the first rotating hole to be connected with a bearing in the lower half area of the left first support plate 6, the third worm 8 is connected with the bearing in the first rotating hole, the motor 9 is connected with the inner bottom area of the mounting groove, the output end of a motor 9 is connected with the input end of a third worm 8, the upper half areas of the right ends of two groups of first supporting plates 6 and second supporting plates 7 are respectively provided with a second rotating hole, a transmission rod 10 is sleeved with four groups of second rotating hole bearings, the central area of the top side wall in the installation groove is provided with an arc-shaped groove, a first worm wheel 11 is fixedly sleeved on the transmission rod 10, the first worm wheel 11 is meshed with the third worm 8, the left ends of two groups of second worms 12 are respectively connected with the left side wall in the left lifting groove and the right side wall in the right lifting groove, the left ends and the right ends of two groups of mounting plates 13 are respectively provided with a limiting rod 14, the multiple groups of limiting rods 14 are respectively connected with the first sliding grooves of the left lifting groove and the right lifting groove in a sliding manner, the bottom ends of two groups of mounting plates 13 are respectively provided with two groups of universal wheels 15, two groups of driving mechanisms are respectively mounted on the two groups of mounting plates 13, and the input ends of the two groups of driving mechanisms are respectively connected with the output ends of the two groups of second worms 12; through setting up first backup pad 6, open the power of motor 9, motor 9 and the cooperation of third worm 8 drive first worm wheel 11 rotatory under the support of first backup pad 6, first worm wheel 11 and transfer line 10 cooperation drive two sets of second worms 12 rotatory, two sets of second worms 12 drive mounting panel 13 decline under two sets of actuating mechanism's cooperation, mounting panel 13 descends through the spacing universal wheel 15 that drives of gag lever post 14 and first spout when going up and down to support the device, mounting panel 13 promotes behind the universal wheel 15 removal lift groove, motor 9 closes, promote the device this moment can, be convenient for the device remove, the practicality of device is improved.
The utility model relates to a networking control intelligent signboard, a driving mechanism comprises fixing shafts 16, second worm gears 17, racks 18 and limiting plates 19, wherein two ends of two groups of fixing shafts 16 are respectively connected with inner side walls of lifting grooves and outer side walls of a second supporting plate 7 through bearings, the two groups of second worm gears 17 are respectively fixedly sleeved on the two groups of fixing shafts 16, the two groups of second worm gears 17 are respectively meshed with two groups of second worms 12, bottom ends of two groups of racks 18 are respectively connected with top ends of two groups of mounting plates 13, the two groups of racks 18 are respectively meshed with the two groups of second worm gears 17, the two groups of racks 18 are respectively provided with two groups of limiting plates 19, and the multiple groups of limiting plates 19 are respectively in sliding connection with second sliding grooves of a left limiting groove and a right lifting limiting groove; through setting up fixed axle 16, the rotatory second worm wheel 17 that drives under being supported by fixed axle 16 of second worm 12 is rotatory, it rises or descends to drive rack 18 through second worm wheel 17, it is spacing through limiting plate 19 and the cooperation of second spout when rack 18 goes up and down, stability when improving the lift, rack 18 drives mounting panel 13 and descends to appointed position back motor 9 and closes, second worm 12 this moment, the cooperation of second worm wheel 17 and rack 18 forms the auto-lock to universal wheel 15, the transmission ratio of second worm 12 and second worm wheel 17 is bigger simultaneously, be convenient for support the device, the practicality of improvement device.
According to the networking-controlled intelligent signboard, the third sliding grooves are communicated in the four groups of first sliding grooves, the four groups of limiting rods 14 are provided with the fixed rods 20, the front ends and the rear ends of the four groups of fixed rods 20 are respectively provided with the first idler wheels 21 in a rotating manner, and the multiple groups of first idler wheels 21 are respectively connected with the third sliding grooves in a sliding manner; through setting up dead lever 20, when mounting panel 13 and gag lever post 14 cooperation drive dead lever 20 and go up and down, through dead lever 20 and the cooperation of first gyro wheel 21 the frictional force that produces when reducing to go up and down, the lift efficiency and the practicality of device when improving to go up and down.
According to the intelligent signboard capable of being controlled through networking, the front side walls and the rear side walls in the four groups of second sliding grooves are respectively provided with the fourth sliding grooves in a communicated manner, the front half areas and the rear half areas of the four groups of limiting plates 19 are respectively provided with the second rollers 22, and the multiple groups of second rollers 22 are respectively connected with the multiple groups of fourth sliding grooves in a sliding manner; through setting up second gyro wheel 22, when rack 18 drove limiting plate 19 oscilaltion, through the frictional force that produces when second gyro wheel 22 and the 19 cooperation of limiting plate reduce to go up and down, rack 18 when second gyro wheel 22 and the 19 cooperation of limiting plate were gone up and down supports, improves the stability and the practicality of device.
According to the intelligent signboard capable of being controlled through networking, the bottom end of the base 1 is provided with the anti-slip pad 23; through setting up slipmat 23, slipmat 23 and base 1 cooperation improve the device and place the frictional force between subaerial back and ground, improve the practicality of device.
According to the intelligent signboard capable of being controlled in a networking mode, the limiting blocks 24 are arranged in the multiple groups of first sliding grooves; through setting up stopper 24, when gag lever post 14 goes up and down in first spout, carry on spacingly to the extreme low position that mounting panel 13 descends through stopper 24 and the cooperation of first spout, prevent that stopper 24 roll-off from causing the influence to the device, improve the practicality of device.
The intelligent signboard capable of being controlled through networking also comprises support rods 25, the bottom ends of the two groups of support rods 25 are respectively connected with the left half areas of the top ends of the two groups of mounting plates 13, and the top ends of the two groups of support rods 25 are respectively connected with the lower half areas of the left ends of the two groups of racks 18; through setting up bracing piece 25, bracing piece 25 and mounting panel 13 cooperation support rack 18, improve the practicality of the stability of rack 18 and device.
According to the intelligent signboard capable of being controlled in a networking mode, the surfaces of a plurality of groups of universal wheels 15 are provided with threaded surfaces; through setting up multiunit universal wheel 15 surface into the flank of screw, improve the device when the removal the frictional force between universal wheel 15 and the ground, reduce the device and take place to slide when removing, improve the practicality of device.
The intelligent signboard capable of being controlled through networking of the utility model is operated by firstly moving the device to a designated position and then electrifying the display panel 4, the control person then edits the text displayed on the display panel 4 and instructs it through the device, when the device is moved, the power supply of the motor 9 is turned on, the motor 9 and the third worm 8 are matched under the support of the first support plate 6 to drive the first worm wheel 11 to rotate, the first worm wheel 11 and the transmission rod 10 are matched to drive the two groups of second worms 12 to rotate, the second worm 12 drives the second worm wheel 17 supported by the fixed shaft 16 to rotate, the rack 18 is driven to ascend or descend through the second worm wheel 17, the rack 18 is limited through the matching of the limiting plate 19 and the second sliding groove when ascending and descending, the rack 18 drives the mounting plate 13 to descend to a specified position, then the motor 9 is closed, and finally the device is moved.
The installation mode, the connection mode or the setting mode of the intelligent signboard capable of being controlled in a networking mode are common mechanical modes, and the intelligent signboard can be used as long as the beneficial effects of the intelligent signboard can be achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An intelligent signboard capable of being controlled through networking comprises a base (1), a connecting plate (2), a support (3) and a display panel (4), wherein the connecting plate (2) is installed on the base (1), the bottom end of the support (3) is connected with the top end of the connecting plate (2), and the display panel (4) is arranged on the support (3); it is characterized by also comprising a first supporting plate (6), a second supporting plate (7), a third worm (8), a motor (9), a transmission rod (10), a first worm wheel (11), a second worm (12), a mounting plate (13), a limiting rod (14), a universal wheel (15) and a driving mechanism, wherein two groups of lifting grooves are symmetrically arranged at the bottom end of the base (1), limiting grooves are respectively communicated and arranged at the top ends of the two groups of lifting grooves, a mounting groove is communicated and arranged between the two groups of lifting grooves, a first sliding groove and a second sliding groove are respectively arranged on the inner left side wall and the inner right side wall of the two groups of lifting grooves and the inner right side wall of the two groups of limiting grooves, the first supporting plate (6) and the second supporting plate (7) are symmetrically arranged in the mounting groove, a first rotating hole is arranged in the lower half area of the right first supporting plate (6), and the left end of the third worm (8) passes through the first rotating hole to be connected with a bearing in the lower half area of the left first supporting plate (6), a third worm (8) is connected with a first rotating hole bearing, a motor (9) is connected with the right half area of the inner bottom side wall of the mounting groove, the output end of the motor (9) is connected with the input end of the third worm (8), the upper half areas of the right ends of two groups of first supporting plates (6) and second supporting plates (7) are respectively provided with a second rotating hole, a transmission rod (10) is sleeved with four groups of second rotating hole bearings, the central area of the inner top side wall of the mounting groove is provided with an arc-shaped groove, a first worm wheel (11) is fixedly sleeved on the transmission rod (10), the first worm wheel (11) is meshed with the third worm (8), the left ends of two groups of second worms (12) are respectively connected with the left side wall of the left lifting groove and the right side wall of the right lifting groove, the left ends and the right ends of two groups of mounting plates (13) are respectively provided with a limiting rod (14), and a plurality of groups of limiting rods (14) are respectively connected with the first sliding grooves of the left lifting groove and the right lifting groove in a sliding way, two groups of universal wheels (15) are respectively arranged at the bottom ends of the two groups of mounting plates (13), two groups of driving mechanisms are respectively mounted on the two groups of mounting plates (13), and the input ends of the two groups of driving mechanisms are respectively connected with the output ends of the two groups of second worms (12).
2. The network-controllable intelligent signboard of claim 1, wherein the driving mechanism comprises a fixed shaft (16), second worm gears (17), racks (18) and limiting plates (19), two ends of the two groups of fixed shafts (16) are respectively connected with the inner side wall of the lifting groove and the outer side wall of the second supporting plate (7) in a bearing manner, the two groups of second worm gears (17) are respectively fixedly sleeved on the two groups of fixed shafts (16), the two groups of second worm gears (17) are respectively meshed with the two groups of second worms (12), the bottom ends of the two groups of racks (18) are respectively connected with the top ends of the two groups of mounting plates (13), the two groups of racks (18) are respectively meshed with the two groups of second worm gears (17), the two groups of limiting plates (19) are respectively arranged on the two groups of racks (18), and the multiple groups of limiting plates (19) are respectively connected with the second sliding grooves of the left limiting groove and the right lifting limiting groove in a sliding manner.
3. The intelligent signboard capable of being controlled through networking of claim 2, wherein a third sliding groove is communicated with the four sets of first sliding grooves, the four sets of limiting rods (14) are respectively provided with a fixed rod (20), the front end and the rear end of the four sets of fixed rods (20) are respectively provided with a first roller (21) in a rotatable manner, and the plurality of sets of first rollers (21) are respectively connected with the third sliding groove in a sliding manner.
4. The networking-controlled intelligent signboard of claim 3, wherein the four sets of second sliding chutes are provided with fourth sliding chutes respectively communicating with the front and rear inner side walls, the four sets of limiting plates (19) are provided with second rollers (22) respectively in the front half area and the rear half area, and the multiple sets of second rollers (22) are respectively connected with the multiple sets of fourth sliding chutes in a sliding manner.
5. The intelligent signboard capable of being operated and controlled in a networking mode as claimed in claim 4, wherein the bottom end of the base (1) is provided with a non-slip mat (23).
6. The intelligent signboard capable of being operated and controlled in a networking mode as claimed in claim 5, wherein a limiting block (24) is arranged in the plurality of groups of first sliding grooves.
7. The intelligent signboard capable of being operated and controlled in a networking mode as claimed in claim 6, further comprising two support rods (25), wherein the bottom ends of the two support rods (25) are respectively connected with the left half areas of the top ends of the two mounting plates (13), and the top ends of the two support rods (25) are respectively connected with the lower half areas of the left ends of the two racks (18).
8. The network-controllable intelligent signboard of claim 7, wherein the surfaces of the plurality of sets of universal wheels (15) are provided as thread surfaces.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120717144.4U CN215411193U (en) | 2021-04-09 | 2021-04-09 | Intelligent signboard that can network and control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120717144.4U CN215411193U (en) | 2021-04-09 | 2021-04-09 | Intelligent signboard that can network and control |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215411193U true CN215411193U (en) | 2022-01-04 |
Family
ID=79671025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120717144.4U Expired - Fee Related CN215411193U (en) | 2021-04-09 | 2021-04-09 | Intelligent signboard that can network and control |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215411193U (en) |
-
2021
- 2021-04-09 CN CN202120717144.4U patent/CN215411193U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206536456U (en) | A kind of jacking rotating mechanism | |
CN110329697B (en) | Logistics storage quick access system | |
CN206789179U (en) | A kind of engine turnover stand that is easily installed and can lift | |
CN109894560B (en) | Double-sided quick forging device of iron sheet | |
CN203864570U (en) | Get-on-vehicle assistance device | |
CN215411193U (en) | Intelligent signboard that can network and control | |
CN111806965B (en) | Fruit turnover case car ground transport mechanism | |
CN211942131U (en) | 3D printer elevating gear | |
CN209740653U (en) | panel turning device for tunnel construction | |
CN103978937B (en) | A kind of assisting steps on car device | |
CN108482532B (en) | Solar multi-surface rotary type three-dimensional bicycle parking device | |
CN203808577U (en) | Horizontal lifting double-layer parking space | |
CN215552157U (en) | A bulletin device for student management | |
CN202821885U (en) | Wheelchair capable of going up and down stairs and being pushed forwards on flat ground | |
CN210989398U (en) | Over-and-under type goods shelves are used in supermarket | |
CN215248183U (en) | Lifting frame and lifting mechanism of brick stacking machine | |
CN207905427U (en) | A kind of high load-bearing stereo garage promotion translating device of large size | |
CN208966099U (en) | A kind of parking device | |
CN212201491U (en) | Rotary carrying type avoidance-free stereo parking garage | |
CN112634786A (en) | Wisdom campus is with show board | |
CN216201793U (en) | LCD display screen device for subway scheduling | |
CN212292635U (en) | Lifting device based on synchronous belt | |
CN207903801U (en) | A kind of construction partition board promotion installation vehicle | |
CN220165005U (en) | Workpiece lifting and conveying mechanism | |
CN216684560U (en) | Brake device of building cart |
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: 20220104 |