CN106641288A - Rapid drain butterfly valve - Google Patents
Rapid drain butterfly valve Download PDFInfo
- Publication number
- CN106641288A CN106641288A CN201710079954.XA CN201710079954A CN106641288A CN 106641288 A CN106641288 A CN 106641288A CN 201710079954 A CN201710079954 A CN 201710079954A CN 106641288 A CN106641288 A CN 106641288A
- Authority
- CN
- China
- Prior art keywords
- valve
- stem part
- valve stem
- valve element
- fixture
- 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.)
- Granted
Links
- 239000007787 solid Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 9
- 210000000214 mouth Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
Abstract
The invention provides a rapid drain butterfly valve. The improvements are that a valve element is circular, and a valve rod is eccentrically arranged. By adopting the technical scheme, through the rapid drain butterfly valve, a rotation device is rotated to drive the valve rod to rotate, a first valve plate and the second valve plate rotate, a first valve element part and a second valve element part are opened, an opening of the second valve element part is smaller and achieves the pressure relief effect, while an opening of the first valve element part is larger, and water flows out of the first valve element part. By controlling the rotation degree of the rotation device, the opening degree of the first valve plate and the second valve plate can be controlled, and thus the size of exposed parts of the first valve element part and the second valve element part is controlled; the water outlet speed is higher when the exposed parts of the first valve element part and the second valve element part are larger; a fixing bolt is screwed into a sleeve threaded hole and abuts against the part with the smaller diameter, the valve rod is fixed, and the opening-closing state at the moment can be maintained; and compared with the prior art, the rapid drain butterfly valve is simple in structure, convenient to operate, controllable in speed and high in practicability.
Description
Technical field
The present invention relates to sphere of life, and in particular to a kind of controllable water velocity and water yield, realize Quick drainage and
Z can be continuously maintained the Quick drainage butterfly valve of folding condition.
Background technology
In the conventional drainage system of butterfly valve, by rotating rotary shaft, the opening of valve plate is controlled, and then realize drain function, often
See that butterfly valve structure is single, though displacement can be controlled by the open angle of valve plate, water velocity can not be controlled, it is impossible to meet
Need the situation of Quick drainage.
In consideration of it, inventor furthers investigate to the problems referred to above, there is this case to produce then.
The content of the invention
It is an object of the invention to provide a kind of and controllable water velocity and water yield, realizing Quick drainage and sustainable
Keep the Quick drainage butterfly valve of folding condition.
In order to achieve the above object, the present invention adopts such technical scheme：
A kind of Quick drainage butterfly valve, including valve body, valve element, through valve body and valve element and the valve rod being connected with valve body and cover
The valve plate for being placed at valve element and being connected with valve rod；It is characterized in that：The valve element is rounded, and the valve rod is through the valve element
The center of circle is to eccentric setting between edge；And the valve element include in larger the first valve element portion of the valve rod side and area and
In the valve rod opposite side and the less second valve element portion of area；The valve rod includes the valve core valve stem corresponding with the valve element
Partly and stretch out first valve stem part and the second valve stem part of the valve element；First valve stem part is arranged with and institute
State the valve stem sleeve of valve body connection, the valve stem sleeve has the first port passed through for the first valve stem part, the valve stem sleeve it is interior
There is gap between the arcwall face of wall and first valve stem part；First valve stem part is provided with the control valve rod and turns
Dynamic tumbler, the tumbler is sheathed on first valve stem part；Define first valve stem part and stretch out institute
The direction for stating valve element is first direction, and direction opposite to the first direction is second direction；The second valve stem part edge
The second direction stretches out valve element；Second valve stem part has smaller-diameter portion；Second valve stem part is provided with
Fixing component, the fixing component includes being sheathed on consolidating for the sleeve that be connected with the valve body and fixation second valve stem part
Determine bolt；The sleeve is sheathed on second valve stem part, and the sleeve is provided with for the fixing bolt by simultaneously
Fixing screwed hole corresponding with the smaller-diameter portion；The diameter of the screwed hole is high up and down with the smaller-diameter portion
Degree is identical；The valve plate includes the first valve plate and covering for covering the first valve element portion and being connected with the valve core valve stem part
The second valve element portion and the second valve plate being connected with the valve core valve stem part.
The tumbler includes being sheathed on go to block and fixed moving block and adjustable on first valve stem part
Fixing component, the moving block has the second port passed through for first valve stem part, and the lower end end of the moving block
Face is resisted against on the upper end end face of the valve stem sleeve.
First valve stem part has the 3rd valve stem part for stretching out the moving block upper end, the 3rd valve stem part
Outer wall have the first screw thread；The fixing component includes the first fixture of the fixation moving block and is resisted against the first fixation
Second fixture of part；First fixture is sheathed on second valve rod, and first fixture has for described
The third connectivity mouth that 3rd valve stem part passes through；The inwall of first fixture has the second spiral shell corresponding with first screw thread
Line；Second fixture is sheathed on the 3rd valve stem part, and second fixture has for the 3rd valve rod
The 4th port that part passes through；The inwall of second fixture has the 3rd screw thread corresponding with first screw thread.
Pad is provided with pad between first fixture and moving block.
The thickness of first valve plate is identical with the thickness of the valve body, thickness and the valve body of second valve plate
Thickness is identical.
After above-mentioned technical proposal, the Quick drainage butterfly valve of the present invention rotates tumbler, and band ovable valve stem is rotated, entered
And driving the first valve plate and the second valve plate to rotate, the first valve element portion and the second valve element portion open, and the second valve element portion is little opening, rise
Release is acted on, and the first valve element portion opening is larger, and water flows out from the first valve element portion；By controlling the journey that tumbler is rotated
Degree, controllable covering in the first valve element portion the first valve plate and cover the opening degree of the second valve plate in the second valve element portion,
And then the size of the first valve element portion of control and the second valve element portion exposed portion；First valve element portion and the second valve element portion exposed portion are got over
Greatly, water speed is gone out faster；Fixing bolt screws in the screwed hole of sleeve, is resisted against the smaller-diameter portion of the second valve stem part, blocks
It is tight to fix the second valve stem part in the upper and lower ends face of smaller-diameter portion, the folding condition of now butterfly valve can be kept；With it is existing
Technology is compared, and its simple structure, easy to operate, speed are controllable, practical.
Description of the drawings
Fig. 1 is the main structure diagram of the present invention；
Fig. 2 is the side structure schematic view of the present invention；
Fig. 3 is the overlooking the structure diagram of the valve stem sleeve of the present invention；
Fig. 4 is the moving block overlooking the structure diagram of the present invention；
Fig. 5 is the overlooking the structure diagram of first fixture of the present invention；
Fig. 6 is the overlooking the structure diagram of second fixture of the present invention；
Fig. 7 is the main structure diagram of second valve stem part of the present invention；
Fig. 8 is the main structure diagram of the sleeve of the present invention；
Fig. 9 is the overlooking the structure diagram of working condition of the present invention.
In figure：
1- valve bodies
2- valve elements the first valve elements of 21- portion
The second valve elements of 22- portion
3- valve rod 31- valve core valve stems part
The valve stem parts of the first valve stem parts of 32- 321- the 3rd
3211- the first screw thread the second valve stem parts of 33-
331- smaller-diameter portions
4- valve plates the first valve plates of 41-
The valve plates of 42- second
5- valve stem sleeves the first ports of 51-
6- tumbler 61- moving blocks
611- the second port 62- fixing components
621- the first fixture 6211- third connectivity mouthes
6212- the second screw thread the second fixtures of 622-
The screw threads of the 4th port 6222- of 6221- the 3rd
7- pads
8- fixing component 81- sleeves
811- bush whorls hole 82- fixing bolts.
Specific embodiment
In order to technical scheme is explained further, it is described in detail below by specific embodiment.
A kind of Quick drainage butterfly valve of the present invention, as shown in figure 1, including valve body 1, valve element 2, through valve body 1 and valve element 2 and
The valve rod 3 being connected with valve body 1 and the valve plate 4 for being covered at valve element 2 and being connected with valve rod 3；Its improvements then at：Valve element 2
Rounded, valve rod 3 includes in the side of valve rod 3 and area through the center of circle of valve element 2 to eccentric setting edge, and valve element 2
Larger the first valve element portion 21 and in the opposite side of valve rod 3 and the less second valve element portion 22 of area；Valve rod 3 includes and the phase of valve element 2
Corresponding valve core valve stem part 31 and stretch out first valve stem part 32 and the second valve stem part 33 of valve element 2；First valve stem
32 are divided to be arranged with the valve stem sleeve 5 being connected with valve body 1, valve stem sleeve 5 has the first port 51 passed through for the first valve stem part 32, valve
There is gap between the arcwall face of the inwall of rod set 5 and the first projection 32；First valve stem part 32 is provided with control valve rod 3
The tumbler 6 of rotation, tumbler 6 is sheathed on the first valve stem part 32；Define the first valve stem part 32 and stretch out valve element 2
Direction is first direction, is in the opposite direction second direction with first party；Second valve stem part 33 stretches out in a second direction valve
Core 2；Second valve stem part 33 has smaller-diameter portion 331；Second valve stem part 33 is provided with fixing component 8, fixing component 8
Including the fixing bolt 82 for being sheathed on the sleeve 81 being connected with valve body 1 and fix the second valve stem part 33；Sleeve 81 is sheathed on
On two valve stem parts 33, and sleeve 81 is provided with and passes through and sleeve spiral shell corresponding with smaller-diameter portion 331 for fixing bolt 82
Pit 811；The diameter in bush whorl hole 811 is identical with the upper-lower height of smaller-diameter portion 331；Valve plate 4 includes covering first
Valve element portion 21 and the first valve plate 41 for being connected with valve rod 3 and cover the second valve element portion 22 and the second valve plate 42 being connected with valve rod 3.
The Quick drainage butterfly valve of the present invention, rotates tumbler 6, and band ovable valve stem 3 is rotated, and then drives the first valve plate 41 and the second valve plate
42 rotate, and the first valve element portion 21 and the second valve element portion 22 open, and the second valve element portion 22 is little opening, plays release and acts on, and first
Valve element portion 21 is open larger, and water flows out from the first valve element portion 21；By controlling the degree that tumbler 6 is rotated, can control and hide
The first valve plate 41 for being placed on the first valve element portion 21 and the opening degree for covering the second valve plate 42 in the second valve element portion 22, and then
Control the size of the first valve element portion 21 and the exposed portion of the second valve element portion 22；First valve element portion 21 and the exposed division of the second valve element portion 22
Divide bigger, go out water speed faster；Fixing bolt 82 screws in the screwed hole 811 of sleeve 81, is resisted against the straight of the second valve stem part 33
Footpath smaller portions 331, are clamped in the upper and lower ends face of smaller-diameter portion 331, fix the second valve stem part 33, can keep now
The folding condition of butterfly valve.
Preferably, tumbler 6 include being sheathed on moving block 61 on the first valve stem part 32 and fixed moving block 61 and
Adjustable fixing component 62；Moving block 61 has the second port 611 passed through for the first valve stem part 32, and under moving block 61
End end face is resisted against on the upper end end face of valve stem sleeve 5.Moving block is pushed against in the end face of valve stem sleeve 5 by fixing component 62, from
And moving block 62 is fixed on valve rod 3, the rotation of valve rod 3 is just capable of achieving by rotating moving block, so as to control butterfly valve work.
Preferably, the first valve stem part 32 has the 3rd valve stem part 321 for stretching out the upper end of moving block 61, the 3rd valve stem
The outer wall for dividing 321 has the first screw thread 3211；Fixing component 62 includes the first fixture 621 of fixed moving block 61 and is resisted against
Second fixture 622 on first fixture 621；First fixture 621 is sheathed on the 3rd valve stem part 321, and first fixes
The inwall that part 621 has the third connectivity mouth 6211 passed through for the 3rd valve stem part 321, the first fixture 621 has and the first spiral shell
The second screw thread 6212 of correspondence of line 3211；Second fixture 622 is sheathed on the 3rd valve stem part 321, and the second fixture 622 has
There is the 4th port 6221 passed through for the 3rd valve stem part 321, the inwall of the second fixture 622 has and 3211 pairs, the first screw thread
The 3rd screw thread 6222 answered.Coordinated by the second screw thread 6212 and the first screw thread 3211 and screw the first fixture 621, first fixes
Part 621 is supported on moving block 61, and to moving block 61 thrust is provided, and moving block 61 is pushed against in the end face of valve stem sleeve 5；By the 3rd
The cooperation of 6222 and first screw thread of screw thread 3211 screws the second fixture 622, and the second fixture 622 is pushed against in the first fixture 621,
Strengthen coupling mechanism force, prevent from being loosened in the rotation process of moving block 61；It is easy to dismount in the form of screw thread is locked and adjusts
Section.
In order to prevent moving block 61 from wearing and tearing, it is preferable that pad is provided with pad 7 between the first fixture 621 and moving block 61.
In order that the first valve plate 41 and the second valve plate 42 rotate more smooth, it is to avoid be stuck in the inwall of valve body 1, it is preferable that the
The thickness of one valve plate 41 is identical with the thickness of valve body 1, and the thickness of the second valve plate 42 is identical with the thickness of valve body 1.
The Quick drainage butterfly valve of the present invention, the concrete form of moving block can be adjusted according to actual requirement and design；The
The concrete form of one fixture can be adjusted according to actual requirement and design；The concrete form of the second fixture can be according to reality
Requirement is adjusted and designs；The concrete form of valve stem sleeve can be adjusted according to actual requirement and design；The concrete shape of valve body
Formula can be adjusted according to actual requirement and design；The concrete form of fixing bolt can be adjusted according to actual requirement and set
Meter；The concrete form of pad can be adjusted according to actual requirement and design.
The product form of the present invention is not limited to this case diagram and embodiment, and anyone carries out the appropriate of similar thinking to it
Change is modified, and all should be regarded as the patent category without departing from the present invention.
Claims (5)
1. a kind of Quick drainage butterfly valve, including valve body, valve element, through valve body and valve element and the valve rod being connected with valve body and covering
The valve plate being connected at valve element and with valve rod；It is characterized in that：The valve element is rounded, circle of the valve rod through the valve element
The heart is to eccentric setting between edge；And the valve element is included in the first larger valve element portion of the valve rod side and area and place
In the valve rod opposite side and the less second valve element portion of area；The valve rod includes the valve core valve stem portion corresponding with the valve element
Divide and stretch out first valve stem part and the second valve stem part of the valve element；First valve stem part be arranged with it is described
The valve stem sleeve of valve body connection, the valve stem sleeve has the first port passed through for the first valve stem part, the inwall of the valve stem sleeve
There is gap and the arcwall face of first valve stem part between；First valve stem part is provided with the control valve rod and rotates
Tumbler, the tumbler is sheathed on first valve stem part；Define first valve stem part and stretch out described
The direction of valve element is first direction, and direction opposite to the first direction is second direction；Second valve stem part is along institute
State second direction and stretch out valve element；Second valve stem part has smaller-diameter portion；Second valve stem part is provided with solid
Determine component, the fixing component includes being sheathed on the fixation of sleeve and fixation second valve stem part being connected with the valve body
Bolt；The sleeve is sheathed on second valve stem part, and the sleeve be provided with for the fixing bolt pass through and with
The corresponding fixing screwed hole of the smaller-diameter portion；The upper-lower height of the diameter of the screwed hole and the smaller-diameter portion
It is identical；The valve plate is including the first valve plate for covering the first valve element portion and being connected with the valve core valve stem part and covers institute
The second valve plate stated the second valve element portion and be connected with the valve core valve stem part.
2. a kind of Quick drainage butterfly valve according to claim 1, it is characterised in that：The tumbler includes being sheathed on institute
State and go to block and fixed moving block and adjustable fixing component on the first valve stem part, the moving block has for described first
The second port that valve stem part passes through, and the lower end surface of the moving block is resisted against on the upper end end face of the valve stem sleeve.
3. a kind of Quick drainage butterfly valve according to claim 2, it is characterised in that：First valve stem part have stretch out
3rd valve stem part of the moving block upper end, the outer wall of the 3rd valve stem part has the first screw thread；The fixing component
Including first fixture and the second fixture for being resisted against the first fixture of the fixation moving block；The first fixture set
On second valve rod, and first fixture has the third connectivity mouth passed through for the 3rd valve stem part；It is described
The inwall of the first fixture has the second screw thread corresponding with first screw thread；Second fixture is sheathed on the 3rd valve
In bar part, and second fixture has the 4th port passed through for the 3rd valve stem part；Second fixture
Inwall have the 3rd screw thread corresponding with first screw thread.
4. a kind of Quick drainage butterfly valve according to claim 3, it is characterised in that：First fixture and moving block it
Between pad be provided with pad.
5. a kind of Quick drainage butterfly valve according to claim 1, it is characterised in that：The thickness of first valve plate with it is described
The thickness of valve body is identical, and the thickness of second valve plate is identical with the thickness of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079954.XA CN106641288B (en) | 2017-02-15 | 2017-02-15 | Quick drainage butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079954.XA CN106641288B (en) | 2017-02-15 | 2017-02-15 | Quick drainage butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106641288A true CN106641288A (en) | 2017-05-10 |
| CN106641288B CN106641288B (en) | 2020-10-27 |
Family
ID=58844744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710079954.XA Expired - Fee Related CN106641288B (en) | 2017-02-15 | 2017-02-15 | Quick drainage butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641288B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03121382A (en) * | 1989-10-02 | 1991-05-23 | Tomoe Gijutsu Kenkyusho:Kk | Butterfly valve |
| CN201028007Y (en) * | 2007-04-20 | 2008-02-27 | 林德宽 | Double-eccentric vertical opening-closing butterfly valve |
| CN202834118U (en) * | 2012-03-31 | 2013-03-27 | 湖北三通石油机械有限公司 | Novel high-performance ceramic butterfly valve |
| CN103016759A (en) * | 2012-11-30 | 2013-04-03 | 无锡智能自控工程股份有限公司 | Low-load type cut-off butterfly valve |
| CN103216628A (en) * | 2013-04-01 | 2013-07-24 | 无锡富盛阀业有限公司 | Butterfly valve |
| CN206555463U (en) * | 2017-02-15 | 2017-10-13 | 福建省兴达阀门制造有限公司 | A kind of Quick drainage butterfly valve |
-
2017
- 2017-02-15 CN CN201710079954.XA patent/CN106641288B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03121382A (en) * | 1989-10-02 | 1991-05-23 | Tomoe Gijutsu Kenkyusho:Kk | Butterfly valve |
| CN201028007Y (en) * | 2007-04-20 | 2008-02-27 | 林德宽 | Double-eccentric vertical opening-closing butterfly valve |
| CN202834118U (en) * | 2012-03-31 | 2013-03-27 | 湖北三通石油机械有限公司 | Novel high-performance ceramic butterfly valve |
| CN103016759A (en) * | 2012-11-30 | 2013-04-03 | 无锡智能自控工程股份有限公司 | Low-load type cut-off butterfly valve |
| CN103216628A (en) * | 2013-04-01 | 2013-07-24 | 无锡富盛阀业有限公司 | Butterfly valve |
| CN206555463U (en) * | 2017-02-15 | 2017-10-13 | 福建省兴达阀门制造有限公司 | A kind of Quick drainage butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106641288B (en) | 2020-10-27 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |