CN213626026U - Mounting, connecting and reinforcing structure for building steel structure - Google Patents
Mounting, connecting and reinforcing structure for building steel structure Download PDFInfo
- Publication number
- CN213626026U CN213626026U CN202021895039.1U CN202021895039U CN213626026U CN 213626026 U CN213626026 U CN 213626026U CN 202021895039 U CN202021895039 U CN 202021895039U CN 213626026 U CN213626026 U CN 213626026U
- Authority
- CN
- China
- Prior art keywords
- connecting seat
- steel
- upper side
- side wall
- plate
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 120
- 239000010959 steel Substances 0.000 title claims abstract description 120
- 230000003014 reinforcing effect Effects 0.000 title claims description 14
- 238000010276 construction Methods 0.000 claims abstract description 13
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 25
- 230000037431 insertion Effects 0.000 claims description 25
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 9
- 239000000945 filler Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The application discloses building steel construction erection joint reinforced structure, relate to building jointing equipment technical field, it includes two steel sheets and connecting seat, the interval sets up about two steel sheets are, the shaping has the cartridge mouth on the connecting seat, the cartridge mouth is provided with two along the direction of height interval of connecting seat on the connecting seat, two cartridge mouth horizontal direction all be with opening the setting with one side, the steel sheet that is located the upside is pegged graft in the cartridge mouth that is located the upside, the steel sheet that is located the downside is pegged graft in the cartridge mouth that is located the downside, the connecting seat deviates from and is provided with the locating component who is used for fixed steel sheet on the open lateral wall of cartridge mouth, locating component is provided with two along the at least interval of the direction of height of connecting seat on the connecting seat, still be provided with the locating part on the connecting seat. This application has the effect that improves steel construction erection joint reinforced structure's reinforcement effect.
Description
Technical Field
The application relates to the technical field of building connecting equipment, in particular to a building steel structure installation and connection reinforcing structure.
Background
The steel structure is a structure formed by steel materials, is one of main building structure types, mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, adopts rust removal and prevention processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like, and is widely applied to the fields of large-scale factory buildings, venues, super-high buildings and the like because the components or parts are usually connected by welding seams, bolts or rivets due to light dead weight and simple and convenient construction.
In the prior art, a worker utilizes a connecting piece to fixedly connect two steel plates which are arranged up and down.
But current steel construction erection connects reinforced structure, and it is relatively poor to reinforce the effect, has the place of treating the improvement.
SUMMERY OF THE UTILITY MODEL
In order to improve steel construction erection joint reinforced structure's reinforcement effect, this application provides a building steel construction erection joint reinforced structure.
The application provides a pair of reinforced structure is connected in building steel structure erection adopts following technical scheme: the utility model provides a reinforced structure is connected in construction steel structure erection, includes two steel sheets and connecting seat, two the steel sheet is interval setting from top to bottom, the shaping has the cartridge mouth on the connecting seat, the cartridge mouth is provided with two, two along the direction of height interval of connecting seat on the connecting seat cartridge mouth horizontal direction all is open setting with one side, is located the upside the steel sheet is pegged graft in the cartridge mouth that is located the upside, is located the downside the steel sheet is pegged graft in the cartridge mouth that is located the downside, the connecting seat deviates from the cartridge mouth and is provided with the locating component who is used for fixed steel sheet on the lateral wall of opening the side, locating component is provided with two along the direction of height interval at least of connecting seat on the connecting seat, still be provided with the locating part on the connecting seat, the locating part is.
Through adopting the above technical scheme, in operation, the staff will be in two grafting mouths that the interval set up about the connecting seat is with two steel sheets cartridge respectively, and offset two steel sheets to the connecting seat respectively on deviating from the lateral wall of the open side of grafting mouth, later with the help of locating component and locating part with two steel sheets and connecting seat three fixed connection, deviate from the positioning action of the lateral wall of the open side of grafting mouth with the help of the connecting seat, and the cooperation of locating component and locating part, thereby with two steel sheets and connecting seat three fixed connection, and then help improving steel construction erection joint reinforced structure's reinforcement effect.
Preferably: the positioning assembly comprises a positioning bolt and a positioning nut, the positioning bolt sequentially penetrates through the side wall and the steel plate of the connecting seat, which deviates from the open side of the insertion opening, and the end part of the positioning bolt is screwed into the positioning nut.
Through adopting above-mentioned technical scheme, with the help of positioning bolt and the fixed steel sheet of set nut cooperation and connecting seat, help improving the convenience of staff's installation.
Preferably: the locating part is a limiting rod, the limiting rod is arranged on any side wall of the connecting seat adjacent to the open side of the inserting port, the limiting rod is vertically arranged, the upper side of the limiting rod can be detachably fixed on the upper side of the inserting port corresponding to the limiting rod, the lower side of the limiting rod can be detachably fixed on the lower side of the inserting port corresponding to the limiting rod, and the limiting rod is abutted to the steel plate.
Through adopting above-mentioned technical scheme, with the help of can dismantling the gag lever post of fixing in the open side of interface, further restriction the position of steel sheet on the connecting seat to help improving steel construction erection joint reinforced structure's reinforcement effect.
Preferably: the connecting seat is provided with a kidney-shaped groove, the length direction of the kidney-shaped groove is parallel to the length direction of the connecting seat, one kidney-shaped groove is formed in the side walls of the upper side and the lower side of any inserting port in the connecting seat, a fixing bolt and a fixing nut are arranged at any position of the kidney-shaped groove, the fixing bolt sequentially penetrates through the limiting rod and the kidney-shaped groove, and the end part of the fixing bolt is screwed into the fixing nut.
Through adopting above-mentioned technical scheme, use with the help of the cooperation of fixing bolt, fixation nut and kidney slot, realized the demountable fixing installation of gag lever post on the connecting seat on the one hand, on the other hand helps improving the convenience that the staff installed the gag lever post.
Preferably: and a filling plate is arranged between any one of the steel plates and the upper side wall of the corresponding insertion opening, the upper side wall of any one of the filling plates is abutted against the upper side wall of the corresponding insertion opening, and the lower side wall of any one of the filling plates is abutted against the upper side wall of the corresponding steel plate.
Through adopting above-mentioned technical scheme, fill the clearance between interface and the steel sheet completely with the help of the filling plate, help improving the compactness that steel sheet and connecting seat are connected to help reducing the condition emergence that steel sheet and connecting seat produced relative motion, and then help improving steel construction erection joint reinforced structure's reinforcing effect.
Preferably: the connecting seat is provided with a fastening bolt, the fastening bolt is arranged on the upper side wall of any insertion opening of the connecting plate, the fastening bolt penetrates through the upper side wall of the corresponding insertion opening and is in threaded fit with the upper side wall, and the threaded end of the fastening bolt abuts against the upper side of the filling plate corresponding to the fastening bolt.
Through adopting above-mentioned technical scheme, support the infill panel tightly on the steel sheet with the help of tightly deciding the bolt, help improving the stability of infill panel at the installation, and then help improving steel construction erection joint reinforced structure's reinforcement effect.
Preferably: and a connecting plate is connected between the two steel plates which are arranged at intervals from top to bottom, and the connecting plate is arranged in an inclined manner.
Through adopting above-mentioned technical scheme, connect two steel sheets that are setting from top to bottom with the help of the connecting plate that is the slope setting, help improving the stability that is two steel sheet relative position that set up from top to bottom, and then help improving steel construction erection joint reinforced structure's reinforcement effect.
Preferably: the pin holes are formed in the two sides of the connecting plate in the length direction and the two steel plates, the two steel plates are provided with positioning pins, and the positioning pins sequentially penetrate through the corresponding connecting plate and the corresponding pin holes in the steel plates and are in interference fit with the connecting plate and the steel plates respectively.
Through adopting above-mentioned technical scheme, fix the connecting plate on the steel sheet with the help of the locating pin, help improving the convenience of staff's installation connecting plate.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) by means of the positioning action of the side wall of the connecting seat, which is deviated from the opening side of the inserting port, and the matching of the positioning assembly and the limiting part, the two steel plates are fixedly connected with the connecting seat, so that the reinforcing effect of the steel structure mounting and connecting reinforcing structure is improved;
(2) the connecting rod is fixed on the steel plate through the fixing bolt, the fixing nut, the limiting rod and the positioning pin, and convenience of installing and connecting the reinforcing structure by workers is improved.
Drawings
Fig. 1 is an overall schematic view mainly showing a connection structure of a steel plate and a connecting seat in an embodiment of the present application;
FIG. 2 is a schematic side view of a connection structure of a steel plate and a connecting seat according to an embodiment of the present disclosure;
fig. 3 is a schematic view mainly showing a structure of a connection seat in the embodiment of the present application;
fig. 4 is an exploded schematic view mainly showing a connection structure of a connection plate and a steel plate in the embodiment of the present application.
Reference numerals: 1. a steel plate; 2. a connecting seat; 21. a plug-in mounting opening; 22. a limiting rod; 23. a kidney-shaped groove; 231. fixing the bolt; 232. fixing a nut; 3. a positioning assembly; 31. positioning the bolt; 32. positioning a nut; 4. a infill panel; 5. tightening the bolt; 6. a connecting plate; 7. a pin hole; 8. and a positioning pin.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses reinforced structure is connected in building steel structure installation. Referring to fig. 1, the reinforced structure is connected in building steel structure erection includes two steel sheets 1 and connecting seat 2, and two steel sheets 1 all are the level setting, and two steel sheets 1 are interval setting from top to bottom. The connecting seat 2 is formed with two insertion openings 21, the two insertion openings 21 are arranged on the connecting seat 2 at intervals along the height direction of the connecting seat 2, and the two insertion openings 21 are arranged in an open manner at the same side in the horizontal direction. The steel plate 1 located on the upper side is inserted into the insertion opening 21 located on the upper side, and the steel plate 1 located on the lower side is inserted into the insertion opening 21 located on the lower side. And two connecting plates 6 are arranged on the steel plate 1 at intervals along the length direction of the steel plate 1.
In the work, the staff inserts two steel sheet 1 respectively on connecting seat 2 about the interval in two cartridge mouth 21 that set up earlier to on deviating from the open side of cartridge mouth 21 with two steel sheet 1 butts respectively to connecting seat 2.
Referring to fig. 2, the connecting seat 2 is provided with a positioning assembly 3 on deviating from the side wall of the open side of the insertion opening 21, the positioning assembly 3 comprises a positioning bolt 31 and a positioning nut 32, the positioning bolt 31 sequentially penetrates through the middle part of the connecting seat 2 where any insertion opening 21 deviates from the side wall of the open side and the steel plate 1, and the end part of the positioning bolt 31 is screwed into the positioning nut 32. And the positioning components 3 correspond to the steel plates 1 one by one.
During work, a worker firstly sequentially penetrates through the connecting piece and the steel plate 1 by the positioning bolt 31 and then screws the positioning nut 32.
Referring to fig. 1 and 3, the connecting seat 2 is further provided with two limiting rods 22, the two limiting rods 22 are arranged on any side wall of the connecting seat 2 adjacent to the open side of the interface, the two limiting rods 22 on the same side wall are arranged at intervals from top to bottom, and any one limiting rod 22 is arranged vertically. The connecting seat 2 is further provided with a kidney-shaped groove 23, the length direction of the kidney-shaped groove 23 is parallel to the length direction of the connecting seat 2, and the kidney-shaped groove 23 is respectively provided with one on the upper side and the lower side of any side wall adjacent to the opening side of any inserting opening 21 and any inserting opening 21. The upper side of any limiting rod 22 can be detachably fixed in the kidney-shaped groove 23 at the upper side of the corresponding insertion opening 21, and the lower side of any limiting rod 22 can be detachably fixed in the kidney-shaped groove 23 at the lower side of the corresponding insertion opening 21. Since the connection structure and connection mode of any end of any one of the stopper rods 22 and the kidney-shaped groove 23 are the same, the connection structure of any one end of one stopper rod 22 in the length direction and the kidney-shaped groove 23 will be described as an example.
The kidney-shaped groove 23 department is provided with fixing bolt 231 and fixation nut 232, and gag lever post 22 and kidney-shaped groove 23 are worn to establish in proper order by fixing bolt 231, and the tip screw thread of fixing bolt 231 screws in fixation nut 232, and fixing bolt 231 and fixation bolt 231 fix gag lever post 22 centre gripping on connecting seat 2, and gag lever post 22 and steel sheet 1 butt.
In operation, the staff fixes the gag lever post 22 on the connecting seat 2 through the fixing bolt 231 and the fixing nut 232, and the gag lever post 22 abuts on the corresponding steel sheet 1.
Referring to fig. 2, the filler plates 4 are provided between any one of the steel plates 1 and the corresponding insertion opening 21, the upper side wall of any one of the filler plates 4 abuts against the upper side wall of the corresponding insertion opening 21, and the lower side wall of any one of the filler plates 4 abuts against the upper side wall of the corresponding steel plate 1. And the upper side wall of any insertion opening 21 is provided with a fastening bolt 5, any fastening bolt 5 penetrates through the corresponding upper side wall of the insertion opening 21 and is in threaded fit with the upper side wall, and the threaded end part of any fastening bolt 5 is abutted against the upper side of the corresponding filling plate 4.
During work, a worker firstly fills the filling plate 4 in an installation gap formed between the steel plate 1 and the insertion opening 21, and then screws the fastening bolt 5 to tightly press the filling plate 4 against the steel plate 1.
Referring to fig. 4, a connecting plate 6 is connected between two steel plates 1 arranged at an interval from top to bottom, the connecting plate 6 is inclined from top to bottom, and two connecting plates 6 are arranged on two sides of the steel plates 1 in the width direction at equal intervals along the length direction of the steel plates 1. Since the connection structure and the connection mode of the connection plate 6 and the two steel plates 1 are the same, the connection structure of one connection plate 6 and the two steel plates 1 is taken as an example for explanation. Pinhole 7 has all been seted up on 6 length direction's of connecting plate both sides and two steel sheets 1, all is provided with locating pin 8 on two steel sheets 1, and arbitrary locating pin 8 all wears to establish in proper order the pinhole 7 on connecting plate 6 and the steel sheet 1 that correspond with it and respectively with the two interference fit.
In operation, the staff fixes the both sides of connecting plate 6 length respectively on two steel sheets 1 with the help of locating pin 8.
The implementation principle of the installation and connection reinforcing structure for the building steel structure is as follows: in the work, the worker firstly inserts the two steel plates 1 into the two inserting ports which are arranged on the connecting seat 2 at intervals up and down, respectively abuts the two steel plates 1 to the side wall of the connecting seat 2, which is far away from the opening side of the inserting port 21, then sequentially penetrates the connecting seat 2 and the steel plates 1 through the two positioning bolts 31, then screws the positioning nuts 32, then fixes the four limiting rods 22 on the connecting seat 2 through the fixing bolts 231 and the fixing nuts 232, and abuts any one limiting rod 22 on the steel plate 1 corresponding to the limiting rod; then, the worker fills the filling plate 4 in the installation gap formed by the steel plate 1 and the insertion opening 21, then screws the fastening bolt 5 to tightly support the filling plate 4 on the steel plate 1, and then fixes the two sides of the connecting plate 6 on the two steel plates 1 by the positioning pin 8.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a building steel structure erection joint reinforced structure, includes two steel sheet (1) and connecting seat (2), two steel sheet (1) is interval setting from top to bottom, its characterized in that, the shaping has cartridge mouth (21) on connecting seat (2), cartridge mouth (21) are provided with two along the direction of height interval of connecting seat (2) on connecting seat (2), two cartridge mouth (21) horizontal direction all is open with one side and sets up, is located the upside steel sheet (1) are pegged graft in the cartridge mouth (21) that is located the upside, are located the downside steel sheet (1) are pegged graft in cartridge mouth (21) that is located the downside, connecting seat (2) deviate from and are provided with locating component (3) that are used for fixed steel sheet (1) on the lateral wall that cartridge mouth (21) open the side, locating component (3) are provided with two along the direction of height interval of connecting seat (2) on connecting seat (2), the connecting seat (2) is further provided with two limiting parts, and the two limiting parts are arranged on the connecting seat (2) at intervals along the height direction of the connecting seat (2).
2. The mounting and connecting reinforcement structure for the building steel structure is characterized in that the positioning component (3) comprises a positioning bolt (31) and a positioning nut (32), the positioning bolt (31) sequentially penetrates through the side wall of the connecting seat (2) which is far away from the opening side of the insertion opening (21) and the steel plate (1), and the end part of the positioning bolt (31) is screwed into the positioning nut (32).
3. The mounting, connecting and reinforcing structure for the building steel structure according to claim 1, wherein the limiting member is a limiting rod (22), the limiting rod (22) is disposed on any sidewall of the connecting seat (2) adjacent to the open side of the socket, the limiting rod (22) is vertically disposed, the upper side of the limiting rod (22) is detachably fixed on the upper side of the socket corresponding to the limiting rod, the lower side of the limiting rod (22) is detachably fixed on the lower side of the socket corresponding to the limiting rod, and the limiting rod (22) abuts against the steel plate (1).
4. The mounting, connecting and reinforcing structure for the building steel structure according to claim 3, wherein the connecting seat (2) is provided with a kidney-shaped groove (23), the length direction of the kidney-shaped groove (23) is parallel to the length direction of the connecting seat (2), one kidney-shaped groove (23) is formed in each of the side walls of the upper side and the lower side of any inserting port in the connecting seat (2), a fixing bolt (231) and a fixing nut (232) are arranged at any kidney-shaped groove (23), the fixing bolt (231) sequentially penetrates through the limiting rod (22) and the kidney-shaped groove (23), and the end part of the fixing bolt (231) is screwed into the fixing nut (232).
5. The mounting, connecting and reinforcing structure for the building steel structure as recited in claim 1, wherein a filling plate (4) is disposed between any one of the steel plates (1) and the upper side wall of the corresponding insertion opening (21), the upper side wall of any one of the filling plates (4) is abutted against the upper side wall of the corresponding insertion opening (21), and the lower side wall of any one of the filling plates (4) is abutted against the upper side wall of the corresponding steel plate (1).
6. The mounting, connecting and reinforcing structure for the building steel structure according to claim 5, wherein the connecting seat (2) is provided with one fastening bolt (5), the fastening bolt (5) is provided with one fastening bolt on the upper side wall of any insertion opening (21) of the connecting plate (6), any fastening bolt (5) penetrates through the upper side wall of the corresponding insertion opening (21) and is in threaded fit with the upper side wall, and the threaded end of any fastening bolt (5) abuts against the upper side of the corresponding filling plate (4).
7. The mounting, connecting and reinforcing structure for the steel construction of the building as claimed in claim 1, wherein a connecting plate (6) is connected between the two steel plates (1) which are arranged at intervals up and down, and the connecting plate (6) is arranged obliquely.
8. The mounting, connecting and reinforcing structure for the building steel structure according to claim 7, wherein pin holes (7) are formed in two sides of the connecting plate (6) in the length direction and the two steel plates (1), positioning pins (8) are arranged on the two steel plates (1), and any one of the positioning pins (8) sequentially penetrates through the corresponding pin holes (7) in the connecting plate (6) and the steel plate (1) and is in interference fit with the corresponding pin hole and the corresponding pin hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895039.1U CN213626026U (en) | 2020-09-02 | 2020-09-02 | Mounting, connecting and reinforcing structure for building steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895039.1U CN213626026U (en) | 2020-09-02 | 2020-09-02 | Mounting, connecting and reinforcing structure for building steel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213626026U true CN213626026U (en) | 2021-07-06 |
Family
ID=76647810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021895039.1U Expired - Fee Related CN213626026U (en) | 2020-09-02 | 2020-09-02 | Mounting, connecting and reinforcing structure for building steel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213626026U (en) |
-
2020
- 2020-09-02 CN CN202021895039.1U patent/CN213626026U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111456222B (en) | Assembly type steel structure integrated green building and design and installation process thereof | |
| CN213626026U (en) | Mounting, connecting and reinforcing structure for building steel structure | |
| CN109736433B (en) | Structure beam and frame type beam column structure | |
| CN218406429U (en) | A triangular supports device for outer cantilever frame of shear force wall | |
| CN215290642U (en) | Section steel beam column node installation fixed knot construct | |
| CN215889529U (en) | Steel connection structure for eliminating bidirectional errors | |
| CN210151958U (en) | Steel construction building connecting piece | |
| CN113417501A (en) | Steel connection structure for eliminating bidirectional errors | |
| CN214739014U (en) | Steel plate connecting structure of prefabricated shear wall | |
| CN215519193U (en) | Beam column connection structure is built in room | |
| CN215107605U (en) | Firm formula reinforcing means based on building engineering uses | |
| CN217175896U (en) | Crossbeam reinforcing apparatus for building structure | |
| CN217734345U (en) | H-shaped steel connecting structure for high-rise building | |
| CN216586997U (en) | Beam-column connection corrosion-resistant hardware fitting | |
| CN219196261U (en) | Steel construction building connecting piece | |
| CN219011512U (en) | Connecting device of high-strength steel structure node | |
| CN216155353U (en) | Adduction building tower crane attachment device | |
| CN218667943U (en) | H shaped steel roof beam and H shaped steel roof beam unilateral rigid coupling node structure | |
| CN216740092U (en) | Auxiliary mechanism for horizontal connection and installation of steel structure | |
| CN215759640U (en) | Steel house assembling connecting part | |
| CN218622666U (en) | H-shaped steel connecting structure | |
| CN216340230U (en) | Energy-saving assembled building light steel wall connecting structure | |
| CN220167142U (en) | Building steel structure with reinforced structure | |
| CN214786212U (en) | Green building engineering frame roof beam reinforced structure | |
| CN216196848U (en) | Assembly type reinforcing structure of adjacent building structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 |