CN209672166U - Reliability and durability type water-proof underground lamp - Google Patents
Reliability and durability type water-proof underground lamp Download PDFInfo
- Publication number
- CN209672166U CN209672166U CN201920730953.1U CN201920730953U CN209672166U CN 209672166 U CN209672166 U CN 209672166U CN 201920730953 U CN201920730953 U CN 201920730953U CN 209672166 U CN209672166 U CN 209672166U
- Authority
- CN
- China
- Prior art keywords
- lamp housing
- lamp
- diameter
- buried cylinder
- cover
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000011324 bead Substances 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 241001465382 Physalis alkekengi Species 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000008439 repair process Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a kind of reliability and durability type water-proof underground lamps, including cover, lamp housing, pre-buried cylinder and mounting plate, the both ends of the pre-buried cylinder are provided with power slot, and strengthening rib strip is evenly arranged on the outside of the pre-buried cylinder, and the inside of the pre-buried cylinder is fixed with lamp housing.The utility model is by being equipped with sealing ring, lamp housing and pre-buried cylinder, this underground lamp is enabled to carry out waterproof action well, cushion rubber setting is sealed to lamp housing inner bottom edge by sealing ring, it is filled at the gap between power supply lid and lamp housing, so that this buried lamps and lanterns has excellent waterproof effect, and cylinder carries out first layer encirclement to lamp bead, lamp housing carries out second layer encirclement to lamp bead, pre-buried cylinder carries out third layer encirclement to lamp bead, it ensure that the leakproofness of this underground lamp, first connected nail, third connected nail and the second connected nail are filled with all mounting holes, so that steam cannot be introduced into inside underground lamp, to sum up, the waterproof performance of this underground lamp is preferable.
Description
Technical field
The utility model relates to technical field of lamps, specially a kind of reliability and durability type water-proof underground lamp.
Background technique
LED underground lamp is that the novel buried ornament lamp of driving method is driven to LED constant current using ultra-bright LED as light source,
It is widely used in outdoor lightings and park irrigation, lawn, square, garden, flower bed, the steps such as square, outdoor park, Condom
Row street decoration, the places nightscape lighting such as waterfall, fountain water bottom are brought additional credit for life, but existing underground lamp exists very much
Problem or defect:
(1) traditional underground lamp cannot carry out waterproof action well, since underground lamp needs to be embedded in underground, so native
Steam in earth is easily accessible the inside of underground lamp, causes underground lamp internal circuit board to damage, so that the use of underground lamp
Service life is shortened;
(2) traditional underground lamp inconvenience places under repair, and traditional underground lamp is weldedization structure, it has not been convenient to disassembly dimension
Replacement interior power supply circuit is repaired, use is more inconvenient;
(3) traditional underground lamp cannot sufficiently radiate, and in use due to underground lamp, part electric energy is converted into heat
Amount, the inside that this partial heat is deposited in underground lamp be easy to cause underground lamp to damage.
Utility model content
The purpose of this utility model is to provide reliability and durability type water-proof underground lamps, to solve to propose in above-mentioned background technique
Cannot carry out waterproof action well, the problem of inconvenience places under repair and cannot sufficiently radiate.
To achieve the above object, the utility model provides the following technical solutions: reliability and durability type water-proof underground lamp, including face
Lid, lamp housing, pre-buried cylinder and mounting plate, one end of the pre-buried cylinder are provided with power slot, are uniformly arranged on the outside of the pre-buried cylinder
There is strengthening rib strip, the inside of the pre-buried cylinder is fixed with lamp housing, and the bottom end of lamp housing is equipped with sealing ring, the top of the sealing ring
End is evenly arranged with fixed convex block, and the bottom end of the sealing ring is fixed with power supply lid by the first connected nail, the lamp housing it is interior
Side is evenly arranged with cooling fin, and is fixed with mounting plate by the second connected nail between the top of cooling fin, the mounting plate
Top uniform welding has circuit board, and the middle position on circuit board top is mounted on lamp bead, and the top of the circuit board is equal
Cylinder is installed, the top of the lamp housing is evenly arranged with card slot, and the top on the inside of the lamp housing is provided with annular groove, the annular groove
Inside be fixed with light penetrating panel, the top of the pre-buried cylinder is fixed with cover by third connected nail, and the bottom end of cover is equal
It is even that fixture block is installed.
Preferably, the cover, mounting plate and power supply, which cover, is provided with mounting hole, and the inside of mounting hole is in screw thread
Structure.
Preferably, the fixture block and card slot are in " arc " type structure, and fixture block is connected together with card slot, and fixture block is in cover
Bottom end, card slot equally arrange on the top of lamp housing.
Preferably, the top of the light penetrating panel is provided with the first table top, and the bottom end of light penetrating panel is provided with the second table top,
And the diameter of the second table top is greater than the diameter of the first table top, and the diameter of the second table top is less than the diameter of annular groove, and the cover is in
" ring " type structure, and the internal diameter of cover is greater than the diameter of the first table top.
Preferably, the diameter of the lamp housing is greater than the diameter of sealing ring and power supply lid, and the diameter of lamp housing is less than pre-buried cylinder
Internal diameter, the diameter of the mounting plate is less than the internal diameter of lamp housing, and the diameter of the cover is greater than the diameter of pre-buried cylinder.
Preferably, it is evenly arranged with mounting base on the inside of the pre-buried cylinder, and is provided with mounting hole inside mounting base, and
Pre-buried cylinder constitutes disassembly mounting structure by third connected nail and cover, and the mounting plate is fixed by the second connected nail with lamp housing
Connection, and wedge block is uniformly arranged on the inside of lamp housing, through slot is provided on the inside of wedge block, the power supply lid connects by first
It connects nail to be fixedly connected with sealing ring, lamp housing can be cylindrical or rectangular-shape.
Compared with prior art, the utility model has the beneficial effects that the reliability and durability type water-proof underground modulated structure is reasonable,
It has the advantage that
(1) by being equipped with sealing ring, lamp housing and pre-buried cylinder, enable this underground lamp to carry out waterproof action well, lead to
It crosses sealing ring and cushion rubber setting is sealed to lamp housing inner bottom edge, be filled at the gap between power supply lid and lamp housing,
So that this buried lamps and lanterns has an excellent waterproof effect, and cylinder carries out first layer encirclement to lamp bead, and lamp housing carries out the to lamp bead
Two layers of encirclement, pre-buried cylinder carry out third layer encirclement to lamp bead, ensure that the leakproofness of this underground lamp, the first connected nail, third connect
It connects nail and the second connected nail is filled with all mounting holes, so that steam cannot be introduced into inside underground lamp, to sum up, this underground lamp
Waterproof performance is preferable;
(2) it by being equipped with the first connected nail, third connected nail and the second connected nail, is repaired so that this underground lamp facilitates
Reason, turns the first connected nail, third connected nail and the second connected nail, so that the first connected nail, third connected nail and the second connection
Nail is extracted from mounting hole, so as to by power supply lid in this underground lamp, fixed convex block, lamp housing, pre-buried cylinder, light penetrating panel and
Cover is separated, and entire underground lamp uses Split type casing, is repaired after easy to disassemble to underground lamp inside;
(3) by being equipped with cooling fin, lamp housing and pre-buried cylinder, so that this underground lamp can be carried out abundant heat dissipation, pass through heat dissipation
Piece can sufficiently radiate to underground lamp, and lamp housing and pre-buried cylinder are all made of stainless steel material, the material good heat dispersion performance.
Detailed description of the invention
Fig. 1 is the utility model configuration schematic diagram;
Fig. 2 is the utility model stereoscopic structural schematic diagram;
Fig. 3 is the utility model backsight the schematic diagram of the section structure;
Fig. 4 is that the utility model looks up the schematic diagram of the section structure;
Fig. 5 is the utility model overlooking structure diagram;
Fig. 6 is the utility model positive structure diagram.
In figure: 1, cover;2, fixture block;3, light penetrating panel;4, lamp bead;5, circuit board;6, annular groove;7, lamp housing;8, sealing ring;
9, pre-buried cylinder;10, strengthening rib strip;11, power slot;12, the first connected nail;13, power supply lid;14, fixed convex block;15, card slot;
16, cooling fin;17, mounting plate;18, the second connected nail;19, cylinder;20, third connected nail.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-6 is please referred to, a kind of embodiment provided by the utility model: reliability and durability type water-proof underground lamp, including cover
1, lamp housing 7, pre-buried cylinder 9 and mounting plate 17, one end of pre-buried cylinder 9 are provided with power slot 11, and the outside of pre-buried cylinder 9 is evenly arranged with
Strengthening rib strip 10, the inside of pre-buried cylinder 9 is fixed with lamp housing 7, and the bottom end of lamp housing 7 is equipped with sealing ring 8, the top of sealing ring 8
It is evenly arranged with fixed convex block 14, the bottom end of sealing ring 8 is fixed with power supply lid 13, the inside of lamp housing 7 by the first connected nail 12
It is evenly arranged with cooling fin 16, and mounting plate 17, mounting plate are fixed with by the second connected nail 18 between the top of cooling fin 16
17 top uniform welding has circuit board 5, and the middle position on 5 top of circuit board is mounted on lamp bead 4, the top of circuit board 5
End is mounted on cylinder 19, and the top of lamp housing 7 is evenly arranged with card slot 15, and the top of 7 inside of lamp housing is provided with annular groove 6, annular groove 6
Inside be fixed with light penetrating panel 3, the top of pre-buried cylinder 9 is fixed with cover 1, and the bottom end of cover 1 by third connected nail 20
Fixture block 2 uniformly is installed, the inside of pre-buried cylinder 9 is evenly arranged with mounting base, and mounting hole is provided with inside mounting base, and pre-
It buries cylinder 9 and disassembly mounting structure is constituted by third connected nail 20 and cover 1, mounting plate 17 passes through the second connected nail 18 and lamp housing 7
It is fixedly connected, and the inside of lamp housing 7 is uniformly arranged wedge block, is provided with through slot on the inside of wedge block, power supply lid 13 passes through the
One connected nail 12 is fixedly connected with sealing ring 8, and lamp housing 7 can be cylindrical or rectangular-shape, and mounting plate 17 is placed on heat dissipation
Between piece 16 and the top of wedge block, and the second connected nail 18 is turned, the second connected nail 18 can be screwed into inside through slot, thus
Mounting plate 17 can be fixed, third connected nail 20 can be unscrewed, cover 1 is dismantled from pre-buried 9 top of cylinder, convenient for this
Underground lamp inner body carries out periodic inspection;
Mounting hole is provided on cover 1, mounting plate 17 and power supply lid 13, and the inside of mounting hole is in helicitic texture,
Internal screw thread and third connected nail 20, the second connected nail 18 and 12 outside of the first connected nail being uniformly arranged on mounting hole inner sidewall are
The external screw thread of even setting cooperates, and can be combined installation to by each part of underground lamp;
Fixture block 2 and card slot 15 are in " arc " type structure, and fixture block 2 is connected together with card slot 15, and fixture block 2 is at the bottom of cover 1
End, card slot 15 equally arrange on the top of lamp housing 7, and fixture block 2 is inserted into card slot 15, not only can be fixed by cover 1
On the top of lamp housing 7, positioning action can also be carried out to installation process, avoid shifting when cover 1 is installed;
The top of light penetrating panel 3 is provided with the first table top, and the bottom end of light penetrating panel 3 is provided with the second table top, and second
The diameter of table top is greater than the diameter of the first table top, and the diameter of the second table top is less than the diameter of annular groove 6, and cover 1 is in " ring " type structure,
And the internal diameter of cover 1 is greater than the diameter of the first table top, and the first table top of light penetrating panel 3 can be placed on to the inside of cover 1, it will
Second table top of light penetrating panel 3 is placed in annular groove 6, convenient for cover 1 and lamp housing 7 to be fixedly connected;In other embodiments
In, the shape of cover 1 is not construed as limiting.
The diameter of lamp housing 7 is greater than the diameter of sealing ring 8 and power supply lid 13, and the diameter of lamp housing 7 is less than the interior of pre-buried cylinder 9
Diameter, the diameter of mounting plate 17 are less than the internal diameter of lamp housing 7, and the diameter of cover 1 is greater than the diameter of pre-buried cylinder 9, can be by 8 He of sealing ring
Power supply lid 13 is mounted on the bottom end inside lamp housing 7, then lamp housing 7 is mounted on to the inside of pre-buried cylinder 9, cover 1 is placed on pre-
The top for burying cylinder 9 can prevent rainwater from entering inside pre-buried cylinder 9.
Working principle: in use, user can first assemble this underground lamp, mounting plate 17 is placed on lamp housing first
The top of the 7 equally distributed cooling fins 16 in inside, then turns the second connected nail 18, can be fixed by mounting plate 17 and lamp housing 7
Connection, the equally distributed lamp bead 4 in 17 top of mounting plate use LED light, and LED light is not only small in size, and required voltage is small, ten merogenesis
Can, and be radiationless green light source, so that this underground lamp is more environmentally friendly, the cylinder 19 in 4 outside of lamp bead protects it
Effect, avoids steam from entering lamp bead 4, then light penetrating panel 3 is placed on to the top of cylinder 19, the table top of 3 bottom end of light penetrating panel
It is mutually clamped with annular groove 6, light penetrating panel 3 can be not only fixed, but also the top of lamp housing 7 can be sealed, with
Sealing ring 8 is placed in the bottom end inside lamp housing 7 afterwards, then power supply lid 13 is placed on to the bottom end of sealing ring 8, so that power supply lid 13
On mounting hole be aligned with the mounting hole inside fixed convex block 14 equally distributed on sealing ring 8, and make their installation
Hole is aligned with the through slot in 16 inner wedge block of cooling fin, turns the first connected nail 12, so that the first connected nail 12 passes through power supply
Mounting hole on lid 13 and fixed convex block 14, is finally fixedly connected, so that power supply lid 13 be consolidated with through slot with the first connected nail 12
It is scheduled on the bottom end inside lamp housing 7,7 top of lamp housing and bottom end are in closed state at this time, and steam not can enter lamp housing 7, and close
Seal ring 8 makes its leakproofness better, while the cooling fin 16 inside lamp housing 7 can sufficiently be radiated, then by above-mentioned lamp
The entirety that shell 7 and multiple parts are constituted is put into inside pre-buried cylinder 9, and cover 1 is placed on to the top of pre-buried cylinder 9, cover 1 and light transmission
The table top on 3 top of panel is mutually clamped, and can be fixed well to cover 1, then turn third connected nail 20, by third
Connected nail 20 is screwed into the mounting hole in the pre-buried 9 equally distributed mounting base in inside of cylinder, realizes cover 1 and pre-buried cylinder 9 and lamp housing 7
Be fixedly connected, at this time pre-buried cylinder 9 be in closed state, inner body is protected, power supply line can connect from power slot 11
Enter, when needing to repair this lamps and lanterns, it is only necessary to by above-mentioned installation process reverse execution, convenient for being tieed up to lamps and lanterns
It repairs.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of reliability and durability type water-proof underground lamp, including cover (1), lamp housing (7), pre-buried cylinder (9) and mounting plate (17), special
Sign is: one end of the pre-buried cylinder (9) is provided with power slot (11), is evenly arranged with reinforcement on the outside of the pre-buried cylinder (9)
The inside of rib (10), the pre-buried cylinder (9) is fixed with lamp housing (7), and the bottom end of lamp housing (7) is equipped with sealing ring (8), described
The top of sealing ring (8) is evenly arranged with fixed convex block (14), and the bottom end of the sealing ring (8) is solid by the first connected nail (12)
Surely have power supply lid (13), be evenly arranged with cooling fin (16) on the inside of the lamp housing (7), and lead between the top of cooling fin (16)
It crosses the second connected nail (18) to be fixed with mounting plate (17), the top uniform welding of the mounting plate (17) has circuit board (5), and electricity
The middle position on road plate (5) top is mounted on lamp bead (4), and the top of the circuit board (5) is mounted on cylinder (19), institute
The top for stating lamp housing (7) is evenly arranged with card slot (15), and the top on the inside of the lamp housing (7) is provided with annular groove (6), the annular groove
(6) inside is fixed with light penetrating panel (3), and the top of the pre-buried cylinder (9) is fixed with cover by third connected nail (20)
(1), and the bottom end of cover (1) is uniformly equipped with fixture block (2).
2. reliability and durability type water-proof underground lamp according to claim 1, it is characterised in that: the cover (1), mounting plate
(17) and on power supply lid (13) it is provided with mounting hole, and the inside of mounting hole is in helicitic texture.
3. reliability and durability type water-proof underground lamp according to claim 1, it is characterised in that: the fixture block (2) and card slot
It (15) is in " arc " type structure, and fixture block (2) is connected together with card slot (15), bottom end of the fixture block (2) in cover (1), card slot
(15) it is equally arranged on the top of lamp housing (7).
4. reliability and durability type water-proof underground lamp according to claim 1, it is characterised in that: the top of the light penetrating panel (3)
End is provided with the first table top, and the bottom end of light penetrating panel (3) is provided with the second table top, and the diameter of the second table top is greater than First
The diameter in face, the diameter of the second table top are less than the diameter of annular groove (6), and the cover (1) is in " ring " type structure, and cover (1)
Internal diameter is greater than the diameter of the first table top.
5. reliability and durability type water-proof underground lamp according to claim 1, it is characterised in that: the diameter of the lamp housing (7) is big
In the diameter of sealing ring (8) and power supply lid (13), and the diameter of lamp housing (7) is less than the internal diameter of pre-buried cylinder (9), the mounting plate
(17) diameter is less than the internal diameter of lamp housing (7), and the diameter of the cover (1) is greater than the diameter of pre-buried cylinder (9).
6. reliability and durability type water-proof underground lamp according to claim 1, it is characterised in that: the inside of the pre-buried cylinder (9)
It is evenly arranged with mounting base, and is provided with mounting hole inside mounting base, and pre-buried cylinder (9) passes through third connected nail (20) and face
It covers (1) and constitutes disassembly mounting structure, the mounting plate (17) is fixedly connected by the second connected nail (18) with lamp housing (7), and lamp
It is uniformly arranged wedge block on the inside of shell (7), through slot is provided on the inside of wedge block, the power supply lid (13) passes through the first connection
Nail (12) is fixedly connected with sealing ring (8), and lamp housing (7) can be cylindrical or rectangular-shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920730953.1U CN209672166U (en) | 2019-05-21 | 2019-05-21 | Reliability and durability type water-proof underground lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920730953.1U CN209672166U (en) | 2019-05-21 | 2019-05-21 | Reliability and durability type water-proof underground lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209672166U true CN209672166U (en) | 2019-11-22 |
Family
ID=68575301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920730953.1U Expired - Fee Related CN209672166U (en) | 2019-05-21 | 2019-05-21 | Reliability and durability type water-proof underground lamp |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209672166U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112576953A (en) * | 2020-12-10 | 2021-03-30 | 江西瑞斯科救援科技有限公司 | Underwater emergency rescue lighting equipment and use method thereof |
-
2019
- 2019-05-21 CN CN201920730953.1U patent/CN209672166U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112576953A (en) * | 2020-12-10 | 2021-03-30 | 江西瑞斯科救援科技有限公司 | Underwater emergency rescue lighting equipment and use method thereof |
CN112576953B (en) * | 2020-12-10 | 2022-05-24 | 江西瑞斯科救援科技有限公司 | Underwater emergency rescue lighting equipment and use method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201916802U (en) | LED streetlamp | |
CN209672166U (en) | Reliability and durability type water-proof underground lamp | |
CN206637520U (en) | A kind of sealing waterproof type LED street lamp | |
CN102901029A (en) | Solar light emitting diode (LED) lamp | |
CN207112526U (en) | Decoration of exterior wall lamp | |
CN205678523U (en) | One exempts from installing type underground lamp | |
CN203478037U (en) | Decorative lamp for lawn | |
CN207094341U (en) | A kind of double sidelight source device of outdoor lamp house | |
CN203810177U (en) | Waterproof led street lamp module | |
CN203517573U (en) | Novel LED lamp body structure | |
CN201045461Y (en) | High power high brightness LED road lamp | |
CN204829494U (en) | LED road lighting lamps and lanterns | |
CN203848128U (en) | Novel LED ceiling lamp | |
CN203176917U (en) | Double-light-source LED lamp | |
CN201269475Y (en) | Solar ground-embedded lamp | |
CN110131625A (en) | A kind of universal Chinese lamp LED light source of high stability | |
CN201331039Y (en) | Water-proof LED lamp | |
CN202927713U (en) | Solar light emitting diode (LED) lamp | |
CN204005690U (en) | Solar energy garden lamp system | |
CN216556776U (en) | Circular underground lamp | |
CN203823559U (en) | LED (Light Emitting Diode) intelligent parking lot illuminating lamp | |
CN218626557U (en) | Energy-saving bridge lamp for navigation of channel | |
CN201277496Y (en) | Solar LED lawn lamp | |
CN103672578A (en) | Novel LED buried lamp | |
CN202101069U (en) | Water-proof light-emitting diode (LED) road lamp |
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: 20191122 |
|
CF01 | Termination of patent right due to non-payment of annual fee |