CN206205134U - A kind of automatic water drainage device of taper sealing - Google Patents
A kind of automatic water drainage device of taper sealing Download PDFInfo
- Publication number
- CN206205134U CN206205134U CN201621268491.9U CN201621268491U CN206205134U CN 206205134 U CN206205134 U CN 206205134U CN 201621268491 U CN201621268491 U CN 201621268491U CN 206205134 U CN206205134 U CN 206205134U
- Authority
- CN
- China
- Prior art keywords
- water
- draining
- upper sealing
- draining pump
- 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
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of automatic water drainage device of taper sealing, is related to urban waterlogging drainage and irrigation equipment technical field disclosed in the utility model.It is to be made up of water storage element and drain assembly, water storage element is arranged on the top of drain assembly；Water storage element be by storage tank 3, enter water cover 1, water level float switch 4 and water-level probe 10 constitute；Drain assembly is made up of draining casing 37, upper sealing mechanism and draining pump component and lower sealing mechanism.With can automatic-sealed, and can automatic irrigation and drainage, the features such as urban waterlogging being effectively prevented from and occur, can be used for the basement drain of building in Urban Waterlogging and city, it can also be used to drain flooded fields lake region, it may also be used for low-lying arable land drainage；When being horizontally mounted, can be used for running water high level pressurized water supply, it can also be used to ship cabin internal drainage.
Description
Technical field
The utility model is related to urban waterlogging drainage and irrigation equipment technical field, particularly a kind of automatic water drainage dress of taper sealing
Put.
Background technology
With the development of society, urban size is increasing, and the sewer distribution in city is also more and more closeer, and generally sets
It is relatively deep, thus, outside the city is discharged it, especially the rainy day, even more need drainage and irrigation equipment to carry out irrigation and drainage.Existing waterlogging irrigation and drainage set
Apply, to prevent pouring in down a chimney, be usually provided with sluice, avoid producing waterlogging in city by timing irrigation and drainage.
" the automatic irrigation and drainage method of agricultural land disclosed in Chinese patent (number of patent application is 200810094410.1)
And system ", its agricultural land step is:1) when river level is less than irrigation and drainage ditch water level in irrigated area, usually irrigated area internal cause
The factor such as rain causes the water to be in time automatically drained out unnecessary water when increasing；2) when river level is higher than irrigation and drainage ditch in irrigated area
Start electromechanical irrigation and drainage system in time during water level, when now chance heavy rain etc. enables water abruptly increase again to discharge unnecessary water in time；3)
When the method is additionally included in arid, with the consumption of accumulation water, constantly the water source in the outer river of dyke can be automatically injected, make accumulation
Water base keeps certain highly constant.
" the automatic irrigation and drainage in irrigation and water conservancy field disclosed in another Chinese patent (number of patent application is 201620233311.7)
Lock ", including gate pedestal, the lateral cross section of its gate pedestal is " U " type, and the two side top of gate pedestal is provided with corresponding
Two support bases, fix an operating platform on two support bases, two madial walls and base plate of gate pedestal are provided with corresponding gate
Groove, is provided with matching gate in gate slot, fix a lifting arm at the top of gate, lifting arm through operating platform and with behaviour
Make the drive device connection on platform, drive device connects a motor；Described gate is respectively arranged on the left side and the right side first
Water level detection gauge and the second water level detection gauge, the first water level detection gauge, the second water level detection gauge and motor are all connected with control system
System.
Utility model content
For the deficiency existing for prior art, the purpose of this utility model is to provide one kind can automatic-sealed, and energy
Automatic irrigation and drainage, can be effectively prevented from the water drainage device of urban waterlogging generation.
To achieve the above object, technical solution adopted in the utility model is a kind of design automatic water drainage dress of taper sealing
Put, including water storage element and drain assembly, the water storage element is installed in the top of drain assembly；
The water storage element includes storage tank 3 and enters water cover 1 installed in the top of storage tank 3, it is described enter water cover 1 on be provided with
More than one inlet opening 2；
The drain assembly includes draining casing 37, upper sealing mechanism and draining pump component, on the draining casing 37 is
End carries the drum of multistage inner flange with flange and inwall；
The upper sealing mechanism is arranged on the top of draining casing 37, including upper seal support plate 11, upper sealing panel 14, upper close
Shrouding pivot pin 15, upper Packing spring 16 and upper sealing supporting plate 19；The upper end-face edge of the upper seal support plate 11 is flange, bottom
Centre is provided with the upper seal support plate through hole 12 of reverse tapered shape；The upper sealing panel 14 of the frustum is arranged on the upper close of reverse tapered shape
In envelope seat board through hole 12, the upper end of upper sealing panel pivot pin 15 is connected below, upper Packing spring 16 is installed on upper sealing panel pivot pin
On 15；The upper sealing supporting plate 19 is arranged on the inner flange of the upper inside wall of draining casing 37, is provided with thereon more than one
Upper sealing supporting plate water hole 17, centre is provided with the pin hole for installing the lower end of upper sealing panel pivot pin 15；
The draining pump component includes the draining pump housing 24, draining pump blade 20 and draining pump installing plate 22, the draining
Pump installing plate 22 is arranged on the inner flange in the middle part of the inwall of draining casing 37, and more than one draining pump installing plate mistake is provided with thereon
Water hole 36, the draining pump housing 24 is arranged in the middle of draining pump installing plate 22；It is defeated that the draining pump blade 20 is arranged on the pump housing
The upper end of shaft 21.
In the bottom of the draining pump component, it is also equipped with and sealing mechanism under upper sealing mechanism identical.
On the conical surface of the upper sealing panel 14, upper sealing panel tapered pad 13 is also equipped with.
Draining pump lower blade 25 is also equipped with the bottom of the pump housing output shaft 21.
In the middle and upper part of the inner chamber of the storage tank 3, water level float switch 4 is also equipped with.
In the middle and upper part of the inner chamber of the storage tank 3, water-level probe 10 is also equipped with.
It is described enter water cover 1 on, be also equipped with by lock tube 5, lock core shaft 6, lock gear 38, a pair of locking bars 8,39 and second mate with
On locking bar fairlead 7 constitute anti-theft lock mechanism；The lock tube 5 is arranged on into the centre of water cover 1, and the lock core shaft 6 installs
In the middle of lock tube 5；Lock gear 38 is installed in the lower end of the lock core shaft 6, and locking bar fairlead 7 is symmetrically mounted at under water cover 1
Face；Locking bar 8,39 is installed in locking bar fairlead 7 respectively, and the tooth bar that its close intermediate ends is carried is formed with lock gear 38 and engaged.
The automatic water drainage device of taper sealing of the present utility model, is combined using the upper sealing mechanism of taper and lower sealing mechanism
Double sealing structure, can effectively prevent from pouring in down a chimney；Meanwhile, using water level float switch and water-level probe double control, therefore energy
Automatic irrigation and drainage are enough formed, the generation of waterlogging is effectively prevented.
Brief description of the drawings
Fig. 1 is main cross-sectional schematic diagram of the present utility model.
In figure：
1 is that, into water cover, 2 is inlet opening, and 3 is storage tank, and 4 is water level float switch, and 5 is lock tube, and 6 is lock core shaft, and 7 is lock
Bar fairlead, 8 is locking bar, and 9 is storage tank seam, and 10 is water-level probe, and 11 is upper seal support plate, and 12 is that upper seal support plate leads to
Hole, 13 is upper sealing panel tapered pad, and 14 is upper sealing panel, and 15 is upper sealing panel pivot pin, and 16 is upper Packing spring, and 17 is upper sealing
Supporting plate water hole, 18 is upper sealing supporting plate inner flange, and 19 is upper sealing supporting plate, and 20 is draining pump blade, and 21 is pump
Body output shaft, 22 is draining pump installing plate, and 23 is draining pump installing plate inner flange, and 24 is the draining pump housing, and 25 is draining pump inferior lobe
Piece, 26 is bottom sealing socket plate inner flange, and 27 is bottom sealing socket plate, and 28 is lower sealing plate tapered pad, and 29 is lower sealing plate, under 30 are
Sealing plate pivot pin, 31 is lower Packing spring, and 32 is lower sealing supporting plate water hole, and 33 is lower sealing supporting plate inner flange, and 34 are
Lower sealing supporting plate, 35 is bottom sealing socket plate through hole, and 36 is draining pump installing plate water hole, and 37 is draining casing, and 38 is lock tooth
Wheel, 39 is locking bar.
Specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.Following explanation is to use to enumerate
Mode, but protection domain of the present utility model should not be limited to this.
The automatic water drainage device of taper sealing of the present embodiment, is made up of water storage element and drain assembly, water storage element peace
Mounted in the top of drain assembly.
Water storage element be by storage tank 3, enter water cover 1, water level float switch 4 and water-level probe 10 constitute.
Storage tank 3 be a upper end for circular or square or rectangle or other polygons, bottom for it is circular and it is upper it is big under
Small hollow box body, its upper end-face edge carries storage tank seam 9, for accepting into water cover 1；Water level float switch 4 and water level are visited
First 10 upper positions for being separately mounted to the inner chamber of storage tank 3.
Enter the inlet openings 2 that many is provided with water cover 1, entering the centre of water cover 1 and following, be also equipped with anti-theft lock mechanism,
The anti-theft lock mechanism is made up of lock tube 5, lock core shaft 6, lock gear 38, a pair of locking bars 8,39 and fourth officer locking bar fairlead 7；Lock tube
5 are arranged on into the centre of water cover 1, and lock core shaft 6 is installed in the middle of lock tube 5, and lock gear 38 is installed in the lower end of lock core shaft 6；In water inlet
Below lid 1, two secondary locking bar fairleads 7 are installed per side, the two secondary locking bars that locking bar 8, locking bar 39 are installed on every side respectively are oriented to
In set 7, its tooth bar for each being carried near intermediate ends, the tooth bar is fitted in the both sides of lock gear 38, is formed with lock gear 38 and nibbled
Close.Locking bar 8, the export-oriented end of locking bar 39 are inserted in below storage tank seam 9, form lock.
Drain assembly is made up of draining casing 37, upper sealing mechanism and draining pump component and lower sealing mechanism.
Draining casing 37 is a drum, and with the flange for accepting storage tank 3, bucket inwall is with level Four for its upper end
Flange, is successively from top to bottom upper sealing supporting plate inner flange 18, draining pump installing plate inner flange 23, bottom sealing socket plate inner flange
26 and lower sealing supporting plate inner flange 33, its aperture is also sequentially reduced from top to bottom, is easy to maintenance.
Upper sealing mechanism be by upper seal support plate 11, upper sealing panel 14, upper sealing panel pivot pin 15, upper Packing spring 16 and on
Sealing supporting plate 19 is constituted.
Upper seal support plate 11 is a upper end-face edge to be provided with the upper seal support plate through hole of reverse tapered shape in the middle of flange, bottom
12 disk, its upper flanges are arranged in the upper flanges of draining casing 37.
Upper sealing panel 14 is frustum, and upper sealing panel tapered pad 13 is provided with its conical surface, and upper sealing panel axle is connected below
The upper end of pin 15；The bottom of upper sealing panel pivot pin 15 is multi-diameter shaft.
Upper sealing supporting plate 19 be a centre be provided with install the pin hole of the lower end of upper sealing panel pivot pin 15, periphery be provided with it is many
The disk of individual upper sealing supporting plate water hole 17, upper sealing supporting plate 19 is arranged on the upper sealing branch of the upper inside wall of draining casing 37
On fagging inner flange 18.
Upper sealing panel 14 is arranged in the upper seal support plate through hole 12 of reverse tapered shape together with upper sealing panel tapered pad 13, under it
The upper sealing panel pivot pin 15 in portion installs Packing spring 16, and the multi-diameter shaft of the bottom of upper sealing panel pivot pin 15 is installed on sealing support
In the pin hole of plate 19.Now, due to the tension force of upper Packing spring 16 so that upper sealing panel tapered pad 13 is tightly against sealing
In the upper seal support plate through hole 12 of the middle reverse tapered shape of seat board 11, sealing is constituted.
Draining pump component is by the draining pump housing 24, draining pump blade 20, draining pump lower blade 25, the and of pump housing output shaft 21
Draining pump installing plate 22 is constituted.
Draining pump installing plate 22 is fixed on the draining pump housing 24, and its periphery is provided with multiple draining pump installing plate water holes 36；
Draining pump installing plate 22 is arranged on the draining pump installing plate inner flange 23 in the middle part of the inwall of draining casing 37.
Draining pump blade 20 is arranged on the upper end of pump housing output shaft 21, and draining pump lower blade 25 is exported installed in the pump housing
The bottom of axle 21.
Lower sealing mechanism be by bottom sealing socket plate 27, lower sealing plate 29, lower sealing plate pivot pin 30, lower Packing spring 31 and under
Sealing supporting plate 34 is constituted.
Bottom sealing socket plate 27 is also that a upper end-face edge leads to be provided with the bottom sealing socket plate of reverse tapered shape in the middle of flange, bottom
The disk in hole 35, its upper flanges are arranged on the bottom sealing socket plate inner flange 26 of draining casing 37.
Lower sealing plate 29 is frustum, and lower sealing plate tapered pad 28 is provided with its conical surface, and lower sealing board shaft is connected below
The upper end of pin 30；The bottom of lower sealing plate pivot pin 30 is multi-diameter shaft.
Lower sealing supporting plate 34 be a centre be provided with install the pin hole of the lower lower end of sealing plate pivot pin 30, periphery be provided with it is many
The disk of individual lower sealing supporting plate water hole 32, lower sealing supporting plate 34 is arranged on the lower sealing branch of the inner wall lower of draining casing 37
On fagging inner flange 33.
Lower sealing plate 29 is arranged on the bottom sealing socket plate through hole 35 of reverse tapered shape together with lower sealing plate tapered pad 28
In, the lower sealing plate pivot pin 30 of its underpart installs lower Packing spring 31, and the multi-diameter shaft of the lower bottom of sealing plate pivot pin 30 is installed on down
In the pin hole of sealing supporting plate 34.Now, due to the tension force of lower Packing spring 31 so that lower sealing plate tapered pad 28 is tightly supported
In the bottom sealing socket plate through hole 35 of the reverse tapered shape of bottom sealing socket plate 27, sealing is constituted.
Using preceding, the automatic water drainage device of taper of the present utility model sealing is arranged on the porch of sewer.Used
Cheng Zhong, rainwater is entered into the inner chamber of storage tank 3 by the inlet opening 2 entered on water cover 1, because upper sealing panel tapered pad 13 is tightly against
Sealing is constituted in the bottom sealing socket plate through hole 35 of the reverse tapered shape of upper seal support plate 11, thus, accumulation of rainwater is in storage tank 3
In chamber.When the accumulation of rainwater in the inner chamber of storage tank 3 is to certain degree (：Water level reach water level float switch 4 position or
The detecting location of water-level probe 10), water level float switch 4 or water-level probe 10 will start the draining pump housing 24, drive draining pump
Blade 20 and draining pump lower blade 25 rotate, and promote the water in draining casing 37 to squeeze downwards；Now, first, draining casing 37
Interior water crowded downwards can wash lower sealing plate tapered pad 28 open together with lower sealing plate 29 (the lower Packing spring 31 of compression, put aside energy),
So as to open lower sealing mechanism；Then, water crowded downwards in draining casing 37 (plus the Action of Gravity Field of rainwater in storage tank 3) meeting
Upper sealing panel 14 is inhaled into downwards (Packing spring 16, put aside energy in compression) together with upper sealing panel tapered pad 13, so as to open
Sealing mechanism, so far, the rainwater in storage tank 3 is from the row of the draining pump housing 24 to sewer.When the rainwater water level reduction in storage tank 3
During to certain position, water level float switch 4 or water-level probe 10 will stop the draining pump housing 24, now, upper Packing spring 16
Resetted with lower Packing spring 31, upper sealing mechanism and lower sealing mechanism re-form sealing.
When need desilting or maintenance when, with it is key operated enter water cover 1 on lock core shaft 6, drive lock gear 38 rotate, and then
Drive locking bar 8 and locking bar 39 to perform relative motion, allow locking bar 8 and the export-oriented end of locking bar 39 to exit below storage tank seam 9, from into
Solution opening lock catch, so far, you can open into water cover 1, carry out desilting or maintenance.Due to method in the level Four on the inwall of draining casing 37
Orchid, from top to bottom aperture be sequentially reduced, thus, upper sealing mechanism, draining pump component and lower sealing mechanism can take out one by one, thus dimension
Repair and be convenient.
The automatic water drainage device of taper sealing of the present utility model, can be used for the basement row of building in Urban Waterlogging and city
Water, it can also be used to drain flooded fields lake region, it may also be used for low-lying arable land drainage；When being horizontally mounted, can be used for running water high level pressurized water supply,
Can also be used for ship cabin internal drainage.
Claims (7)
1. a kind of taper seals automatic water drainage device, including water storage element and drain assembly, and the water storage element is arranged on draining
The top of component；It is characterized in that：
The water storage element includes storage tank (3) and enters water cover (1) installed in storage tank (3) top, it is described enter water cover (1) on
It is provided with more than one inlet opening (2)；
The drain assembly includes draining casing (37), upper sealing mechanism and draining pump component, on the draining casing (37) is
End carries the drum of multistage inner flange with flange and inwall；
The upper sealing mechanism be arranged on draining casing (37) top, including upper seal support plate (11), upper sealing panel (14), on
Sealing plate pivot pin (15), upper Packing spring (16) and upper sealing supporting plate (19)；The upper end-face edge of the upper seal support plate (11)
It is flange, upper seal support plate through hole (12) of reverse tapered shape is provided with the middle of bottom；The upper sealing panel (14) of the frustum is installed
In upper seal support plate through hole (12) of reverse tapered shape, the upper end of upper sealing panel pivot pin (15), upper Packing spring are connected below
(16) it is installed on upper sealing panel pivot pin (15)；Upper sealing supporting plate (19) is installed in draining casing (37) upper inside wall
On inner flange, more than one upper sealing supporting plate water hole (17) is provided with thereon, centre is provided with and installs upper sealing panel pivot pin
(15) pin hole of lower end；
The draining pump component includes the draining pump housing (24), draining pump blade (20) and draining pump installing plate (22), the row
Water pump installing plate (22) is provided with more than one draining pump peace thereon on the inner flange in the middle part of draining casing (37) inwall
Dress plate water hole (36), the draining pump housing (24) is in the middle of draining pump installing plate (22)；The draining pump blade
(20) installed in the upper end of pump housing output shaft (21).
2. taper according to claim 1 seals automatic water drainage device, it is characterised in that：Under the draining pump component
Portion, is also equipped with and sealing mechanism under upper sealing mechanism identical.
3. taper according to claim 1 and 2 seals automatic water drainage device, it is characterised in that：In the upper sealing panel
(14) on the conical surface, it is also equipped with upper sealing panel tapered pad (13).
4. taper according to claim 3 seals automatic water drainage device, it is characterised in that：In the pump housing output shaft (21)
Bottom be also equipped with draining pump lower blade (25).
5. taper according to claim 4 seals automatic water drainage device, it is characterised in that：In the storage tank (3) inner chamber
Middle and upper part, be also equipped with water level float switch (4).
6. taper according to claim 5 seals automatic water drainage device, it is characterised in that：In the storage tank (3) inner chamber
Middle and upper part, be also equipped with water-level probe (10).
7. taper according to claim 6 seals automatic water drainage device, it is characterised in that：It is described enter water cover (1) on, also
It is provided with by locking bar fairlead (7) more than lock tube (5), lock core shaft (6), lock gear (38), a pair of locking bars (8,39) and second mate
The anti-theft lock mechanism of composition；The lock tube (5) is arranged on the centre into water cover (1), and the lock core shaft (6) is installed on lock tube (5)
It is middle；Lock gear (38) is installed in the lower end of the lock core shaft (6), and locking bar fairlead (7) is symmetrically mounted at under water cover (1)
Face；Locking bar (8,39) is installed in locking bar fairlead (7) respectively, and the tooth bar that its close intermediate ends is carried is formed with lock gear (38)
Engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621268491.9U CN206205134U (en) | 2016-11-24 | 2016-11-24 | A kind of automatic water drainage device of taper sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621268491.9U CN206205134U (en) | 2016-11-24 | 2016-11-24 | A kind of automatic water drainage device of taper sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206205134U true CN206205134U (en) | 2017-05-31 |
Family
ID=58747979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621268491.9U Expired - Fee Related CN206205134U (en) | 2016-11-24 | 2016-11-24 | A kind of automatic water drainage device of taper sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206205134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436886A (en) * | 2016-11-24 | 2017-02-22 | 肖双喜 | Pyramidal sealing automatic water logging drainage device |
-
2016
- 2016-11-24 CN CN201621268491.9U patent/CN206205134U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436886A (en) * | 2016-11-24 | 2017-02-22 | 肖双喜 | Pyramidal sealing automatic water logging drainage device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205444311U (en) | City river pump station that gate combines | |
| CN206205134U (en) | A kind of automatic water drainage device of taper sealing | |
| CN206205121U (en) | A kind of automatic water drainage device of tabular sealing | |
| CN101974929A (en) | Leakage protection device | |
| CN105735399A (en) | Irrigation and drainage complete device of multifunctional submersible sewage pump station | |
| CN106381916B (en) | A kind of automatic water drainage device of plate sealing | |
| CN107896938A (en) | A kind of Water saving type watering arrangement for rose | |
| US20230203737A1 (en) | Washing feeding device and washing machine | |
| CN106436886A (en) | Pyramidal sealing automatic water logging drainage device | |
| CN206752427U (en) | A kind of power station ground power house tailrace outlet structure and its power station | |
| CN205935177U (en) | Cutting type sewage lifting device | |
| CN209603077U (en) | Two dam structures of runtime not pump drainage turn(a)round interim pump drainage | |
| CN212336278U (en) | Large-scale underground type hydropower station factory building leakage drainage system combined with slope shaft | |
| CN210482455U (en) | Pump station diversion and drainage combined overpass culvert gate | |
| CN207761029U (en) | First rain storage pond | |
| CN216616168U (en) | Novel overflow drainage system for reservoir | |
| CN105484339A (en) | Backward flow prevention sewage adjusting device | |
| CN216664009U (en) | Ecological environment-friendly water conservancy bank protection | |
| CN204267304U (en) | A kind of vacuum water diversion device | |
| CN208748752U (en) | A kind of environment-friendly type automatically cleaning pump | |
| CN211621547U (en) | Drainage device for siphon drainage recycling system | |
| CN210177443U (en) | Hydraulic vertical open-close type integrated pump brake | |
| CN215442746U (en) | Roof waterproof heat-preservation and heat-insulation integrated structure | |
| CN211007006U (en) | Submergible and anti-flooding pump station | |
| CN221030575U (en) | Rain and sewage converging inspection well cover |
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: 20170531 Termination date: 20181124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |