CN213627854U - Household wind driven generator - Google Patents
Household wind driven generator Download PDFInfo
- Publication number
- CN213627854U CN213627854U CN202022144432.3U CN202022144432U CN213627854U CN 213627854 U CN213627854 U CN 213627854U CN 202022144432 U CN202022144432 U CN 202022144432U CN 213627854 U CN213627854 U CN 213627854U
- Authority
- CN
- China
- Prior art keywords
- rod
- generator
- supporting
- main body
- generator main
- 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
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Landscapes
- Wind Motors (AREA)
Abstract
The application discloses a household wind driven generator which comprises a generator main body, a supporting component and an adjusting component, wherein the generator main body is installed on the supporting component, and the adjusting component is fixedly sleeved on the supporting component; the supporting assembly comprises a base, a convex block and a supporting rod, the convex block is arranged on the base, a groove is formed in the convex block, a bearing is embedded in the groove, the lower end of the supporting rod is fixedly inserted into an inner ring of the bearing, and the generator main body is arranged at the upper end of the supporting rod; the adjusting component comprises a gear ring and a positioning piece, the gear ring is fixedly sleeved on the supporting rod, and one end of the positioning piece is inserted in the tooth groove of the gear ring in a sliding mode. This scheme can make the generator main part receive the wind energy face and adjust, can improve the utilization ratio of wind energy, can be simple and convenient dismantle and assemble, the maintenance of being convenient for.
Description
Technical Field
The application relates to the technical field of wind driven generators, in particular to a household wind driven generator.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components.
The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.
The existing household wind driven generator is generally fixed in one direction after being installed, and the wind direction can change all the year round, so that the wind driven generator used in the existing household is inconvenient to adjust the wind energy receiving surface of the wind driven generator, and is not favorable for better utilizing the wind energy.
SUMMERY OF THE UTILITY MODEL
The main objective of the present application is to provide a household wind power generator to improve the problem that the wind power receiving surface of the wind power generator in the related art is not easy to adjust.
In order to achieve the above object, the present application provides a household wind power generator, which includes a generator main body, a support assembly and an adjusting assembly, wherein the generator main body is mounted on the support assembly, and the adjusting assembly is fixedly sleeved on the support assembly;
the support assembly comprises a base, a boss and a support rod, the boss is arranged on the base, a groove is formed in the boss, a bearing is embedded in the groove, the lower end of the support rod is fixedly inserted into an inner ring of the bearing, and the generator main body is arranged at the upper end of the support rod;
the adjusting component comprises a gear ring and a positioning piece, the gear ring is fixedly sleeved on the supporting rod, and one end of the positioning piece is inserted in the tooth groove of the gear ring in a sliding mode.
In an embodiment of this application, the setting element includes inserted bar, spring and shell, the one end of inserted bar run through in the shell, be provided with the lug on the lateral wall of inserted bar, the spring slides and cup joints on the inserted bar, the one end of spring with the lateral part fixed connection of lug, the other end of spring with the inner wall fixed connection of shell, the shell passes through the bolt and installs on the base, the one end of inserted bar slides and pegs graft in the tooth's socket of ring gear.
In an embodiment of the present application, a guide groove has been seted up on the inner wall of shell, be provided with the guide block on the lateral wall of inserted bar, the guide block slidable mounting is in the guide groove.
In an embodiment of the present application, the inner wall of the guide groove is in clearance sliding fit with the side wall of the guide block, and the inner wall of the guide groove and the side wall of the guide block are both provided with smooth surfaces.
In an embodiment of this application, a plurality of links of fixedly connected with on the base, it is a plurality of the link is annular array and arranges on the base, the lateral wall of bracing piece is hung through wire rope fixedly connected with and is buckled, hang detain with the link joint is fixed.
In an embodiment of the application, the bracing piece includes movable rod and dead lever, the generator main part is installed the upper end of movable rod, the lower extreme of dead lever is fixed to be pegged graft in the inner circle of bearing, hang detain through wire rope with the lateral wall fixed connection of movable rod, the bottom of movable rod is provided with grafting portion, the blind hole has been seted up on the dead lever, grafting portion slides and is pegged graft in the blind hole.
Compared with the prior art, the beneficial effects of this application are: through the household wind driven generator with the design, when in use, the fixed rod can be rotated through the use of the bearing, so that the movable rod can be driven to rotate, the wind energy receiving surface of the generator main body can be adjusted, the utilization rate of wind energy can be improved, through the use of the supporting component, when the generator main body needs to be maintained, the movable rod can be lifted upwards by detaching the hanging buckle from the hanging ring, the generator main body can be taken down from the fixed rod, the generator main body can be maintained, after the maintenance is finished, the inserting part is inserted into the blind hole, then the hanging buckle is hung on the hanging ring, the movable rod can be installed on the fixed rod, the generator main body is fixed, the operation and the use of a user are facilitated, through the use of the adjusting component, when the wind energy receiving surface of the generator main body is adjusted, the inserting rod is pulled out from the tooth socket of the tooth ring, can relieve the restrictive action of setting element to the dead lever, thereby can rotate the dead lever, thereby it is rotatory to drive generator main part, thereby make generator main part's receipt wind energy face change, after the adjustment is accomplished, loosen the inserted bar, under the effect of spring, the inserted bar resets to the tooth's socket of ring gear under the thrust effect of spring in, can fix the position of ring gear, thereby make dead lever stall, can be simple and convenient fix and relieve fixedly the receipt wind energy face of generator main part.
Drawings
FIG. 1 is a schematic structural diagram of a household wind turbine provided according to an embodiment of the present application;
FIG. 2 is an exploded view of a movable rod and a fixed rod of a wind power generator for home use according to an embodiment of the present application;
FIG. 3 is a schematic top view of a boss of a wind turbine generator for domestic use according to an embodiment of the present application;
FIG. 4 is a schematic sectional top view of a housing of a wind turbine generator for home use according to an embodiment of the present application;
fig. 5 is a schematic side cross-sectional view of a housing of a domestic wind turbine provided according to an embodiment of the present application.
In the figure: 100. a generator main body; 200. a support assembly; 210. a base; 211. hanging a ring; 220. a boss; 230. a support bar; 2301. a movable rod; 2302. fixing the rod; 2303. a plug-in part; 2304. blind holes; 231. hanging and buckling; 240. a groove; 250. a bearing; 300. an adjustment assembly; 310. a ring gear; 320. a positioning member; 321. inserting a rod; 322. a spring; 323. a housing; 324. a bump; 325. a guide groove; 326. and a guide block.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1-5, the present application provides a household wind power generator, which includes a generator main body 100, a support assembly 200 and an adjusting assembly 300, wherein the generator main body 100 is mounted on the support assembly 200, and the adjusting assembly 300 is fixedly sleeved on the support assembly 200;
the supporting component 200 comprises a base 210, a boss 220 and a supporting rod 230, the boss 220 is arranged on the base 210, the base 210 is fixed on the ground through bolts, the boss 220 is provided with a groove 240, a bearing 250 is embedded in the groove 240, the lower end of the supporting rod 230 is fixedly inserted in the inner ring of the bearing 250, through the use of the bearing 250, a fixed rod 2302 can be rotated, so as to drive a movable rod 2301 to rotate, so that the generator main body 100 receives the wind energy surface to be adjusted, so as to improve the utilization rate of the wind energy, the generator main body 100 is arranged at the upper end of the supporting rod 230, through the use of the supporting component 200, when the generator main body 100 needs to be maintained, through detaching a hanging buckle 231 from a hanging ring 211 and lifting up the movable rod 2301, the generator main body 100 can be taken down from the fixed rod 2302, so as to maintain the generator main body 100, after maintenance is completed, the inserting portion 2303 is inserted into the blind hole 2304, and the hanging buckle 231 is hung on the hanging ring 211, so that the movable rod 2301 can be mounted on the fixing rod 2302 to fix the generator main body 100, which is convenient for user operation and use, the support rod 230 includes the movable rod 2301 and the fixing rod 2302, the generator main body 100 is mounted at the upper end of the movable rod 2301, the generator main body 100 is mounted at the upper end surface of the movable rod 2301 in a bolt mounting manner, the lower end of the fixing rod 2302 is fixedly inserted into the inner ring of the bearing 250, the hanging buckle 231 is fixedly connected with the side wall of the movable rod 2301 through a steel wire rope, the inserting portion 2303 is arranged at the bottom of the movable rod 2301, the inserting portion 2303 is a square rod, the fixing rod 2302 is provided with the blind hole 2304, the blind hole 2304 is a square hole, the inserting portion 2303 slides in the blind hole 2304, through the use of the blind hole 2304 and the inserting part 2303, after the inserting part 2303 is inserted into the blind hole 2304, the movable rod 2301 is not easy to shake when being stressed, the base 210 is fixedly connected with the plurality of hanging rings 211, the plurality of hanging rings 211 are arranged on the base 210 in an annular array, the side wall of the supporting rod 230 is fixedly connected with the hanging buckle 231 through a steel wire rope, the hanging buckle 231 is fixedly connected with the hanging rings 211 in a clamping manner, when the generator main body 100 is maintained and rotated, the hanging buckle 231 is connected with the hanging rings 211, so that the fixing of the movable rod 2301 can be released, and the use by a user is facilitated;
the adjusting assembly 300 comprises a gear ring 310 and a positioning member 320, the gear ring 310 is fixedly sleeved on the support rod 230, one end of the positioning member 320 is inserted in a tooth slot of the gear ring 310 in a sliding manner, through the use of the adjusting assembly 300, when the wind energy receiving surface of the generator body 100 is adjusted, the insertion rod 321 is pulled out from the tooth slot of the gear ring 310, the limiting effect of the positioning member 320 on the fixing rod 2302 can be released, so that the fixing rod 2302 can be rotated, the generator body 100 is driven to rotate, the wind energy receiving surface of the generator body 100 is changed, after the adjustment is completed, the insertion rod 321 is loosened, under the action of the spring 322, the insertion rod 321 is reset into the tooth slot of the gear ring 310 under the thrust of the spring 322, the position of the gear ring 310 can be fixed, and the fixing rod 2302 stops rotating, the positioning member 320 comprises the insertion rod 321, the spring 322 and a shell 323, one end of the inserted rod 321 penetrates through the shell 323, a convex block 324 is arranged on the side wall of the inserted rod 321, the spring 322 is sleeved on the inserted rod 321 in a sliding manner, one end of the spring 322 is fixedly connected with the side part of the convex block 324, the other end of the spring 322 is fixedly connected with the inner wall of the shell 323, the shell 323 is mounted on the base 210 through a bolt, one end of the inserted rod 321 is inserted in the tooth groove of the gear ring 310 in a sliding manner, a guide groove 325 is formed in the inner wall of the shell 323, a guide block 326 is arranged on the side wall of the inserted rod 321, the guide block 326 is mounted in the guide groove 325 in a sliding manner, the inner wall of the guide groove 325 is in clearance sliding fit with the side wall of the guide block 326, the inner wall of the guide groove 325 and the side wall of the guide block 326 are both smooth surfaces, and when the device is used, through the use of the guide groove 325 and the, the inserting rod 321 can slide linearly along the guide groove 325, and the inserting rod 321 can be prevented from rotating in the shell 323 under the force.
Specifically, the working principle of the household wind driven generator is as follows: when the generator main body 100 needs to be maintained, the hanging buckle 231 is detached from the hanging ring 211, the movable rod 2301 is lifted upwards, the generator main body 100 can be taken down from the fixed rod 2302, the generator main body 100 can be maintained, after the maintenance is finished, the inserting part 2303 is inserted into the blind hole 2304, the hanging buckle 231 is hung on the hanging ring 211, the movable rod 2301 can be installed on the fixed rod 2302, the generator main body 100 is fixed, the operation and the use of a user are convenient, through the use of the adjusting component 300, when the wind energy receiving surface of the generator main body 100 is adjusted, the inserting rod 321 is pulled out from the tooth slot of the gear ring 310, can release the limiting action of setting element 320 to dead lever 2302, thereby can rotate dead lever 2302, thereby it is rotatory to drive generator main body 100, thereby make the receiving wind energy face of generator main body 100 change, after the adjustment is accomplished, loosen inserted bar 321, under the effect of spring 322, inserted bar 321 resets in the tooth's socket of ring gear 310 under the thrust effect of spring 322, can fix the position of ring gear 310, thereby make dead lever 2302 stall, can be simple and convenient fix and remove fixedly the receiving wind energy face of generator main body 100.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. A household wind driven generator is characterized by comprising a generator main body (100), a supporting component (200) and an adjusting component (300), wherein the generator main body (100) is installed on the supporting component (200), and the adjusting component (300) is fixedly sleeved on the supporting component (200);
the supporting assembly (200) comprises a base (210), a boss (220) and a supporting rod (230), the boss (220) is arranged on the base (210), a groove (240) is formed in the boss (220), a bearing (250) is embedded in the groove (240), the lower end of the supporting rod (230) is fixedly inserted into an inner ring of the bearing (250), and the generator main body (100) is arranged at the upper end of the supporting rod (230);
the adjusting component (300) comprises a gear ring (310) and a positioning piece (320), the gear ring (310) is fixedly sleeved on the supporting rod (230), and one end of the positioning piece (320) is slidably inserted into a tooth groove of the gear ring (310).
2. The household wind power generator as claimed in claim 1, wherein the positioning member (320) comprises an insertion rod (321), a spring (322) and a housing (323), one end of the insertion rod (321) penetrates through the housing (323), a protrusion (324) is arranged on a side wall of the insertion rod (321), the spring (322) is slidably sleeved on the insertion rod (321), one end of the spring (322) is fixedly connected with a side portion of the protrusion (324), the other end of the spring (322) is fixedly connected with an inner wall of the housing (323), the housing (323) is mounted on the base (210) through a bolt, and one end of the insertion rod (321) is slidably inserted into a tooth groove of the gear ring (310).
3. A wind power generator for household as claimed in claim 2, wherein said housing (323) has a guiding groove (325) formed on its inner wall, said inserting rod (321) has a guiding block (326) formed on its side wall, and said guiding block (326) is slidably mounted in said guiding groove (325).
4. A domestic wind turbine according to claim 3, wherein the inner walls of said guide grooves (325) are in a clearance sliding fit with the side walls of said guide blocks (326), and wherein the inner walls of said guide grooves (325) and the side walls of said guide blocks (326) are smooth.
5. The household wind power generator as claimed in claim 1, wherein a plurality of hanging rings (211) are fixedly connected to the base (210), the hanging rings (211) are arranged on the base (210) in an annular array, hanging buckles (231) are fixedly connected to the side walls of the supporting rods (230) through steel wire ropes, and the hanging buckles (231) are fixedly connected with the hanging rings (211) in a clamping manner.
6. The household wind power generator as claimed in claim 5, wherein the support rod (230) comprises a movable rod (2301) and a fixed rod (2302), the generator body (100) is installed at the upper end of the movable rod (2301), the lower end of the fixed rod (2302) is fixedly inserted into the inner ring of the bearing (250), the hanging buckle (231) is fixedly connected with the side wall of the movable rod (2301) through a steel wire rope, the bottom of the movable rod (2301) is provided with an insertion part (2303), the fixed rod (2302) is provided with a blind hole (2304), and the insertion part (2303) is slidably inserted into the blind hole (2304).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022144432.3U CN213627854U (en) | 2020-09-27 | 2020-09-27 | Household wind driven generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022144432.3U CN213627854U (en) | 2020-09-27 | 2020-09-27 | Household wind driven generator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213627854U true CN213627854U (en) | 2021-07-06 |
Family
ID=76656712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022144432.3U Expired - Fee Related CN213627854U (en) | 2020-09-27 | 2020-09-27 | Household wind driven generator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213627854U (en) |
-
2020
- 2020-09-27 CN CN202022144432.3U patent/CN213627854U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205779483U (en) | A kind of domestic movable wind power generation plant | |
CN110086122A (en) | A kind of power transmission line maintenance tool conveying climbing platforms | |
CN106877791B (en) | A kind of photovoltaic solar energy multi-angle energy storage device | |
US20120205916A1 (en) | Apparatus for generating energy using mechanical energy and gravitational energy | |
EP2136074B1 (en) | Frame support for a wind turbine nacelle | |
CN213627854U (en) | Household wind driven generator | |
CN208875210U (en) | A kind of scarer for field electric tower | |
CN107989749A (en) | Extension type wind ball power generator | |
CN201367981Y (en) | Vertical wind generator | |
CN214196537U (en) | Rotatable wind power generation device | |
JP6793865B1 (en) | Wind power generator | |
CN115263664A (en) | Freely-lifting wind power generation braking device | |
CN201349161Y (en) | Renewable energy sources type electric generating apparatus for home | |
CN109944739B (en) | Installation method of externally-hung vertical axis wind power generation equipment | |
CN111441911A (en) | Small wind driven generator convenient to install | |
CN220118239U (en) | Blade structure of aerogenerator convenient to installation | |
CN211370613U (en) | Lifting device of wind driven generator | |
CN211008969U (en) | Sail-shaped wind driven generator shell with adjustable direction | |
CN209949034U (en) | Solar roof power station with adjustable angle | |
CN2413048Y (en) | Wind-driven generator | |
CN210265026U (en) | Energy-saving wind power generation device | |
CN211623889U (en) | Wind-powered electricity generation blade extension fastening device | |
CN219549034U (en) | Support structure of wind driven generator | |
CN210830185U (en) | Wind power generation becomes oar bearing outer ring fixed establishment | |
CN214686435U (en) | Lifting bracket for power plant maintenance |
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 |
|
CF01 | Termination of patent right due to non-payment of annual fee |