CN108360439B - A kind of multi-functional watering operating equipment of environmental protection town road - Google Patents
A kind of multi-functional watering operating equipment of environmental protection town road Download PDFInfo
- Publication number
- CN108360439B CN108360439B CN201810118181.6A CN201810118181A CN108360439B CN 108360439 B CN108360439 B CN 108360439B CN 201810118181 A CN201810118181 A CN 201810118181A CN 108360439 B CN108360439 B CN 108360439B
- Authority
- CN
- China
- Prior art keywords
- strut
- right angle
- hinged seat
- watering
- screen box
- 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
- 230000007613 environmental effect Effects 0.000 title claims description 8
- 238000007790 scraping Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/04—Fixed devices, e.g. permanently- installed flushing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a kind of multi-functional watering operating equipments of environmentally friendly town road, including rack, the rack is equipped with open apparatus for work, the opening apparatus for work includes the square frame in the rack, a wherein angle point for the square frame is equipped with the first right angle hinged seat, another angle point of the square frame is equipped with first sliding groove, the first sliding groove is equipped with sliding shoe, the first sliding groove and the first right angle hinged seat are located on the first diagonal line of the square frame, the line of travel of the sliding shoe is overlapped with first diagonal line, the sliding shoe is equipped with the second right angle hinged seat, the first strut and the second strut have been respectively articulated on first right angle hinged seat.Open apparatus for work of the invention can realize the transformation of function, can both become tabular with sealing role, can also become open, convenient working has practicability.
Description
Technical field
The present invention relates to town road technical fields, and in particular to it is a kind of environmental protection town road set with multi-functional sprinkler operation
It is standby.
Background technique
Currently, the spraying range of the watering device of existing town road is small, spray effect is poor, and operation is inconvenient；It is existing
The open apparatus for work having is unable to mapped structure, uses inconvenience.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of multi-functional watering operating equipments of environmentally friendly town road, with solution
Certainly the spraying range of watering device is small in the prior art, and spray effect is poor, and operation is inconvenient；Existing opening apparatus for work cannot
Mapped structure uses inconvenient problem.
(2) technical solution
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of environmental protection town road is with multi-functional
Sprinkler operation equipment, including rack, the rack are equipped with open apparatus for work, and the opening apparatus for work includes set on described
A wherein angle point for square frame in rack, the square frame is equipped with the first right angle hinged seat, the square
Another angle point of frame is equipped with first sliding groove, and the first sliding groove is equipped with sliding shoe, the first sliding groove and the first right angle
Hinged seat is located on the first diagonal line of the square frame, the line of travel of the sliding shoe and the first diagonal line weight
It closes, the sliding shoe is equipped with the second right angle hinged seat, and the first strut and the have been respectively articulated on first right angle hinged seat
Two struts, first strut and the second strut are mutually perpendicular to, and have been respectively articulated with third strut on second right angle hinged seat
With the 4th strut, the third strut and the 4th strut are mutually perpendicular to, and first strut and third strut pass through in outer end
Third right angle hinged seat is hinged, and second strut and the 4th strut are hinged in outer end by the 4th right angle hinged seat,
Rotation is equipped with the first support plate on first strut, and rotation is equipped with the second support plate, the third branch on second strut
Rotation is equipped with third support plate on bar, and rotation is equipped with the 4th support plate, first, second, third and fourth support on the 4th strut
Plate is the identical triangular plate of profile, the adjacent side of first support plate and the second support plate by the first hinge connection,
The adjacent edge of the third support plate and the 4th support plate passes through the second hinge connection；
The rack is equipped with watering device, and the watering device includes the mounting rack in rack, the mounting rack
On set there are two shaft supporting frame, rotation is equipped with watering shaft on the shaft supporting frame, and the watering shaft is described equipped with shallow slot
Cooperation is equipped with watering driving wheel in shaft of sprinkling water, and the watering driving wheel is equipped with the filler rod that transmission is matched with the shallow slot,
The shallow slot and filler rod form the movement that is slidably matched, and one end of the watering shaft is equipped with crank, and the other end of the crank is set
There is the first bulb, the first guide post being vertically arranged is additionally provided on the mounting rack, sliding is equipped with slide post on first guide post,
The side wall of the slide post is equipped with bulb and installs cavity, and first bulb is set in the bulb installation cavity body, described
First bulb is relatively rotated in bulb installation cavity body and is limited in the bulb installation cavity body, the place of first guide post
Axis is axially vertical with the place of the watering shaft and intersects, and the top of the slide post is equipped with washing head；
Garbage sorting device is additionally provided in the rack, the garbage sorting device includes being set in rack including reciprocating sieve
Case and two crushers are provided with feed hopper at the top of the crusher, and the bottom of the crusher is provided with lower hopper, described
The lower hopper of crusher is connected to the top of vibrating screen box by canvas bag, and the outer wall of the vibration screen box is provided with vibration electricity
Machine, the vibration screen box is interior to be had there are two symmetrically arranged upper sieve plate and two symmetrically arranged lower sieve plates, the upper sieve plate
One end is fixed on the inner wall of vibration screen box, and the other end is arranged obliquely, and one end of the lower sieve plate is fixed on vibration screen box
Inner wall, the other end are arranged obliquely, and the lower edge of upper sieve plate is higher than the upper edge of lower sieve plate, and the vibration screen box further includes
Scraping plate mechanism, the scraping plate mechanism are formed by scraping board motor, driving spindle and two scraper plates, and the board motor of scraping is arranged two
Between a crusher, the output shaft for scraping board motor and driving spindle are sequentially connected, and the driving spindle is along vibration screen box
In vibration screen box, described two scraper plates are separately fixed at the lower end and middle position of driving spindle, the vibration for axis setting
The bottom of screen box is provided with fine material outlet, and the corresponding two lower sieve plate positions of side wall of the vibration screen box are provided with coarse fodder and go out
Mouthful.
It is corresponded on the square frame and is equipped with positive stop lug boss at the 4th right angle hinged seat, the positive stop lug boss makes the
The extreme lower position of four right angle hinged seats is higher than the first right angle hinged seat.
(3) beneficial effect
The present invention is compared to the prior art, has the following beneficial effects:
Open apparatus for work of the invention can realize the transformation of function, and can both become tabular has sealing role,
It can become open, convenient working has practicability.Watering device of the invention drives washing head not only by watering driving wheel
Swinging but also making washing head while having to pump for washing head is realized, therefore the spray of washing head can be improved
Effect is spilt, spray area is bigger.
Detailed description of the invention
Fig. 1 is layout of the invention.
Fig. 2 is the structure chart of open apparatus for work of the invention.
Fig. 3 is the part-structure figure of open apparatus for work of the invention.
Fig. 4 is the Transformation Graphs of open apparatus for work of the invention.
Fig. 5 is the perspective view of watering device of the invention.
Fig. 6 is the part-structure figure one of watering device of the invention.
Fig. 7 is the part-structure figure two of watering device of the invention.
Fig. 8 is the structure chart of garbage sorting device of the invention.
Specific embodiment
With reference to the accompanying drawings and embodiments, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figures 1 to 4, the embodiment of the present invention provides a kind of environmentally friendly town road and is set with multi-functional sprinkler operation
It is standby, including rack 100, for the rack 100 equipped with open apparatus for work 10, the opening apparatus for work 10 includes described in
A wherein angle point for square frame 11 in rack 100, the square frame 11 is equipped with the first right angle hinged seat 12, institute
Another angle point for stating square frame 11 is equipped with first sliding groove 13, and the first sliding groove 13 is equipped with sliding shoe 14, and described the
One sliding slot 13 and the first right angle hinged seat 12 are located on the first diagonal line of the square frame 11 (namely perpendicular where diagonal line
In straight plane), the line of travel of the sliding shoe 14 is overlapped with first diagonal line, and it is straight that the sliding shoe 14 is equipped with second
Angle hinged seat 15, has been respectively articulated with the first strut 16 and the second strut 17 on first right angle hinged seat 12, and described first
Bar 16 and the second strut 17 are mutually perpendicular to, and have been respectively articulated with third strut 18 and the 4th strut on second right angle hinged seat 15
19, the third strut 18 and the 4th strut 19 are mutually perpendicular to, and first strut 16 and third strut 18 pass through in outer end
Third right angle hinged seat 20 is hinged, and second strut 17 and the 4th strut 19 pass through the 4th right angle hinged seat 21 in outer end
It being hinged, the first strut 16 is rotated centered on the first right angle hinged seat 12, and wherein the one of rotation direction and square frame 11
Side is parallel, and the first strut 16 and third strut 18 are perpendicular, and the second strut 17 and the 4th strut 19 are perpendicular, and described first
Rotation is equipped with the first support plate 22 on bar 16, and rotation is equipped with the second support plate 23, the third strut on second strut 17
Rotation is equipped with third support plate 24 on 18, and rotation is equipped with the 4th support plate 25 on the 4th strut 19, and each support plate is around each
From strut where axis rotation, first, second, third and fourth support plate is the identical triangular plate of profile, described first
The adjacent side of fagging 22 and the second support plate 23 passes through the connection (not shown) of the first hinge, the third support plate 24 and the 4th
The adjacent edge of fagging 25 is located at perpendicular where the first diagonal line by the connection (not shown) of the second hinge, the adjacent edge
On.First, second, third and fourth strut, which is limited to respective right angle hinged seat, only can rotate or be translatable in the vertical direction.
It is corresponded on the square frame 11 and is equipped with positive stop lug boss 27, the limit convex at the 4th right angle hinged seat 21
Platform 27 makes the extreme lower position of the 4th right angle hinged seat 21 be slightly above the first right angle hinged seat 15, so, four when initial position
A right angle hinged seat is no longer flat state, can directly drive sliding shoe to movement at the center of positive direction frame, to complete
The movement of transformation avoids the dead-centre position of mechanism, make open apparatus for work only can by Fig. 2 state transformation at Fig. 4 state one
Kind possibility.When sliding shoe slides into the outermost of first sliding groove, the 4th right angle hinged seat contacts at positive stop lug boss, and at this time four
A support plate is spliced into a complete square, has the function of capping, when sliding shoe is towards cunning at the center of square frame
When row, four support plates become vertical state, form a square opening.Open apparatus for work of the invention can be realized
The transformation of function can both become tabular with sealing role, and can also become open, convenient working has practicability.Just
Square frame can be made of stainless steel, and have the feature of environmental protection.
As shown in Fig. 1, Fig. 5 to Fig. 7, the rack is equipped with watering device 40, and the watering device 40 includes the machine that is set to
Mounting rack 41 on frame 100 is set on the mounting rack 41 there are two shaft supporting frame 42, and rotation, which is equipped with, on the shaft supporting frame 42 spills
Water shaft 43, the watering shaft 43 are equipped with shallow slot 431, and cooperation is equipped with watering driving wheel 44, institute in the watering shaft 43
It states watering driving wheel 44 and is equipped with the filler rod 441 for matching transmission with the shallow slot 431, the shallow slot 431 and the formation of filler rod 441
Be slidably matched movement, and the watering driving wheel 44 is equipped with by the driving (not shown) of the second motor, one end of the watering shaft 43
Crank 45, the other end of the crank 45 are equipped with the first bulb 46, are additionally provided with first be vertically arranged on the mounting rack 41 and lead
Column 47, sliding is equipped with slide post 48 on first guide post 47, and the side wall of the slide post 48 is equipped with bulb and installs cavity 49,
First bulb 46 is set in the bulb installation cavity 49, and first bulb 46 is opposite in bulb installation cavity 49
It rotates and is limited in the bulb installation cavity 49, the institute of the place axis of first guide post 47 and the watering shaft 43
Axially vertical and intersect, the top of the slide post 48 is equipped with washing head 50.When the second motor drives watering driving wheel rotation
Afterwards, crank starts to move in a circle, and since the first bulb is limited in bulb installation cavity body, slide post can be with the circumference of crank
Movement, and realize and swing and pump, the displacement of shaft of sprinkling water at this time meeting adaptability carried out in its axial direction.
As illustrated in figures 1 and 8, garbage sorting device 70 is additionally provided in the rack 100, the garbage sorting device 70 wraps
It includes to be set in rack 100 and vibration screen box 71 and two crushers 72, the top of the crusher 72 is provided with feed hopper
721, the bottom of the crusher 72 is provided with lower hopper 722, and the lower hopper 722 of the crusher 72 is connected by canvas bag 73
Outer wall in the top of vibrating screen box 71, the vibration screen box 71 is provided with vibrating motor 74, has in the vibration screen box 71
Two symmetrically arranged upper sieve plates 75 and two symmetrically arranged lower sieve plates 76, one end of the upper sieve plate 75 is fixed on reciprocating sieve
The inner wall of case 71, the other end are arranged obliquely, and one end of the lower sieve plate 76 is fixed on the inner wall of vibration screen box 71, another
End is arranged obliquely, and the lower edge of upper sieve plate 75 is higher than the upper edge of lower sieve plate 76, and the vibration screen box 71 further includes scraper plate
Mechanism, the scraping plate mechanism are formed by scraping board motor 77, driving spindle 78 and two scraper plates 79, described to scrape the setting of board motor 77
Between two crushers 72, the output shaft for scraping board motor 77 and driving spindle 78 are sequentially connected, the driving spindle 78
In vibration screen box 71, described two scraper plates 79 are separately fixed at the lower end of driving spindle 78 for axis setting along vibration screen box 71
And middle position, the bottom of the vibration screen box 71 are provided with fine material outlet 80, the side wall of the vibration screen box 71 is two corresponding
Lower 76 position of sieve plate is provided with coarse fodder outlet 81.The garbage sorting device can carry out sorting operation to rubbish, have environmental protection
Property.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of environmental protection town road multi-functional watering operating equipment, including rack, which is characterized in that the rack is equipped with
Open apparatus for work, the opening apparatus for work include the square frame in the rack, the square frame
Wherein an angle point is equipped with the first right angle hinged seat, and another angle point of the square frame is equipped with first sliding groove, and described the
One sliding slot is equipped with sliding shoe, and the first sliding groove and the first right angle hinged seat are located at the first diagonal line of the square frame
On, the line of travel of the sliding shoe is overlapped with first diagonal line, and the sliding shoe is equipped with the second right angle hinged seat, institute
It states and has been respectively articulated with the first strut and the second strut on the first right angle hinged seat, first strut and the second strut mutually hang down
Directly, third strut and the 4th strut, the third strut and the 4th strut phase have been respectively articulated on second right angle hinged seat
Mutually vertical, first strut and third strut are hinged in outer end by third right angle hinged seat, second strut with
4th strut is hinged in outer end by the 4th right angle hinged seat, and rotation is equipped with the first support plate, institute on first strut
It states rotation on the second strut and is equipped with the second support plate, rotation is equipped with third support plate, the 4th strut on the third strut
Upper rotation is equipped with the 4th support plate, and first, second, third and fourth support plate is the identical triangular plate of profile, and described first
By the first hinge connection, the adjacent edge of the third support plate and the 4th support plate is logical on the adjacent side of fagging and the second support plate
Cross the second hinge connection；
The rack is equipped with watering device, and the watering device includes the mounting rack in rack, sets on the mounting rack
There are two shaft supporting frame, rotation is equipped with watering shaft on the shaft supporting frame, and the watering shaft is equipped with shallow slot, the watering
Cooperation is equipped with watering driving wheel in shaft, and the watering driving wheel is equipped with the filler rod that transmission is matched with the shallow slot, described
Shallow slot and filler rod formation are slidably matched movement, and one end of the watering shaft is equipped with crank, and the other end of the crank is equipped with the
One bulb is additionally provided with the first guide post being vertically arranged on the mounting rack, and sliding is equipped with slide post on first guide post, described
The side wall of slide post is equipped with bulb and installs cavity, and first bulb is set in the bulb installation cavity body, and described first
Bulb is relatively rotated in bulb installation cavity body and is limited in the bulb installation cavity body, the place axis of first guide post
Axially vertical and intersect with the place of the watering shaft, the top of the slide post is equipped with washing head；
Be additionally provided with garbage sorting device in the rack, the garbage sorting device include be set in rack include vibration screen box and
Two crushers are provided with feed hopper at the top of the crusher, and the bottom of the crusher is provided with lower hopper, described broken
The lower hopper of machine is connected to the top of vibrating screen box by canvas bag, and the outer wall of the vibration screen box is provided with vibrating motor, institute
Stating tool in vibration screen box, there are two symmetrically arranged upper sieve plate and two symmetrically arranged lower sieve plates, one end of the upper sieve plate is solid
It is scheduled on the inner wall of vibration screen box, the other end is arranged obliquely, and one end of the lower sieve plate is fixed on the inner wall of vibration screen box,
The other end is arranged obliquely, and the lower edge of upper sieve plate is higher than the upper edge of lower sieve plate, and the vibration screen box further includes scrapper conveyor
Structure, the scraping plate mechanism are formed by scraping board motor, driving spindle and two scraper plates, and described to scrape board motor setting broken at two
Between machine, the output shaft for scraping board motor and driving spindle are sequentially connected, and the driving spindle is set along the axis of vibration screen box
It sets in vibration screen box, described two scraper plates are separately fixed at the lower end and middle position of driving spindle, the vibration screen box
Bottom is provided with fine material outlet, and the corresponding two lower sieve plate positions of side wall of the vibration screen box are provided with coarse fodder outlet.
2. the multi-functional watering operating equipment of environmental protection town road according to claim 1, which is characterized in that the pros
It is corresponded on shape frame and is equipped with positive stop lug boss at the 4th right angle hinged seat, the positive stop lug boss makes the 4th right angle hinged seat most
Lower position is higher than the first right angle hinged seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118181.6A CN108360439B (en) | 2018-02-06 | 2018-02-06 | A kind of multi-functional watering operating equipment of environmental protection town road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118181.6A CN108360439B (en) | 2018-02-06 | 2018-02-06 | A kind of multi-functional watering operating equipment of environmental protection town road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108360439A CN108360439A (en) | 2018-08-03 |
| CN108360439B true CN108360439B (en) | 2019-06-18 |
Family
ID=63004586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810118181.6A Expired - Fee Related CN108360439B (en) | 2018-02-06 | 2018-02-06 | A kind of multi-functional watering operating equipment of environmental protection town road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360439B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4240583A (en) * | 1979-04-09 | 1980-12-23 | Chemical Applicator, Inc. | Low cost, highly versatile self-pumping vehicle type liquid sprayer |
| US20070069044A1 (en) * | 2005-09-26 | 2007-03-29 | Buyers Products Company | Spreader assembly |
| US8360509B2 (en) * | 2007-05-17 | 2013-01-29 | Advanced Transit Dynamics, Inc. | Rear-mounted aerodynamic structure for truck cargo bodies |
| KR101653351B1 (en) * | 2014-03-28 | 2016-09-01 | 하상우 | Device for Abrasive Cleaning of Pavement Lane |
| CN104646393A (en) * | 2015-01-29 | 2015-05-27 | 无锡昊瑜节能环保设备有限公司 | Garbage treatment system and garbage treatment method thereof |
| CN105598068A (en) * | 2016-01-29 | 2016-05-25 | 郝志付 | Cleaning and impurity removing device for recycling construction waste |
| CN205784865U (en) * | 2016-06-28 | 2016-12-07 | 巢湖学院 | A kind of self-adjusting rocket launch platform |
| CN206118652U (en) * | 2016-10-13 | 2017-04-26 | 广西建工集团联合建设有限公司 | A rainwater collection spraying device for gardens |
| CN109673553A (en) * | 2016-10-25 | 2019-04-26 | 吴敏 | It is a kind of for putting salt device automatically in razor clam cultivation |
| CN107087536A (en) * | 2017-05-24 | 2017-08-25 | 杨露萍 | A kind of type hand irrigation rig of Gardening Nursery |
-
2018
- 2018-02-06 CN CN201810118181.6A patent/CN108360439B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108360439A (en) | 2018-08-03 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ruan Weihong Inventor after: Feng Huaming Inventor before: Feng Huaming |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190522 Address after: 314200 East Lake Landscape Garden, Danghu Street, Pinghu City, Jiaxing City, Zhejiang Province, Building 5, Room 201 Applicant after: Ruan Weihong Address before: 310000 No. 18 Changbanlane, Xiacheng District, Hangzhou City, Zhejiang Province Applicant before: Feng Huaming |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20220206 |