CN105587703A - Distributing valve - Google Patents
Distributing valve Download PDFInfo
- Publication number
- CN105587703A CN105587703A CN201510937652.2A CN201510937652A CN105587703A CN 105587703 A CN105587703 A CN 105587703A CN 201510937652 A CN201510937652 A CN 201510937652A CN 105587703 A CN105587703 A CN 105587703A
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- China
- Prior art keywords
- end cap
- valve
- check valve
- hole
- liquid
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/027—Check valves
-
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Check Valves (AREA)
Abstract
The invention provides a distributing valve. A first liquid through hole is formed in a valve body in the extending direction of the valve body. A first end cap is in seal connection with the first end of the first liquid through hole. A first liquid inlet is formed in the first end cap and is a stepped hole. A second end cap is in seal connection with the second end of the first liquid through hole. A first liquid outlet is formed in the second end cap. The outer circumferential face of a check valve is in motive seal with the inner wall of the first liquid inlet. The end face of the first end of the check valve is connected with the step face of the first liquid inlet through a first spring. The second end of the check valve is connected with the second end cap in an abutting mode. A second liquid outlet which is perpendicular to the first liquid through hole is formed in the valve body and located between the first end cap and the second end cap. According to the distributing valve, a suction valve and a forcing valve are combined into a whole, and the number of check valves is reduced, so that leakage during operation of the distributing valve is reduced and the operation efficiency of the distributing valve is improved.
Description
Technical field
The present invention relates to hydraulic valve technical field, in particular to a kind of flat valve.
Background technology
Flat valve is the conventional flow control element in hydraulic system, in the time of pump work, opens and closes with the back and forth movement of plungerClose. Compared with valve plate distribution, flat valve has reduced friction pair (cylinder body and valve plate or cylinder body and pintle), thereby reducesLeakage and the wear problem of friction pair, there is good sealing, thereby can under high pressure conditions, work, be particularly suitable forIn water hydraulic, apply.
The structure of at present conventional flat valve is to adopt two check valves or plural check valve to realize flow, but check valveMore leakages are also just larger, and efficiency is also just lower.
Therefore, in prior art, exist flat valve to be formed by multiple check valves and the easy problem of revealing.
Summary of the invention
Main purpose of the present invention is to provide a kind of flat valve, is made up of multiple check valves to solve flat valve of the prior artAnd easy leakage problem.
To achieve these goals, the invention provides a kind of flat valve, comprise valve body, the first end cap, the second end cap and unidirectionalValve, offers the first liquid-through hole along the bearing of trend of valve body on valve body, and the first end of the first end cap and the first liquid-through hole is tightly connected,First end covers and offers the first inlet opening, and the first inlet opening is stepped hole, and the second end cap is in the second end sealing of the first liquid-through holeConnect, on the second end cap, offer the first fluid hole, between the outer peripheral face of check valve and the inwall of the first inlet opening, form movable sealing,The first end end face of check valve is by being connected between the first spring and the step surface of the first inlet opening, second end and second of check valveApical grafting between end cap offers the second fluid hole perpendicular to the first liquid-through hole between the first end cap and the second end cap on valve body.
Further, the second fluid hole is symmetrically arranged with multiple along the circumferential interval of valve body.
Between the second end cap and the first liquid-through hole, be threaded connection further, between the first end cap and the first liquid-through hole.
Further, the junction of the junction of the first end cap and the first liquid-through hole, the first end cap and the first liquid-through hole scribbles sealingGlue.
Further, check valve comprises check valve valve body, check valve end cap and the second spring, the outer peripheral face of check valve valve body andBetween the inwall of one inlet opening, form movable sealing, the first end end face of check valve valve body is by the platform of the first spring and the first inlet openingBetween terrace, connect, apical grafting between the second end of check valve valve body and the second end cap, extends along check valve valve body on check valve valve bodyDirection offers the second liquid-through hole, offers the second inlet opening on check valve end cap, check valve end cap and the second liquid-through hole closeOne end of the first end cap is tightly connected, and the side near the second end cap of the second liquid-through hole is set to stepped hole, one of the second springSide is connected with the step surface of the second liquid-through hole, between the opposite side of the second spring and check valve end cap, is provided with Ball valve, Ball valveDiameter be greater than the diameter of the second inlet opening, apical grafting between Ball valve and check valve end cap.
Further, between the outer peripheral face of check valve valve body and the inwall of the first inlet opening, be provided with Glais ring.
Further, the second end of check valve valve body is provided with chamfering, apical grafting between chamfering and the rib of the first fluid hole.
Further, between check valve end cap and the second liquid-through hole, be threaded connection.
Further, the junction of check valve end cap and the second liquid-through hole scribbles fluid sealant.
Apply technical scheme of the present invention, the second end cap one side of flat valve is connected with radial plunger pump or motor, works as radial plungerWhen pump or motor imbibition, medium enters from the first inlet opening, one-way valve opens, and due to check valve and the second end cap apical grafting, the twoBetween form hermetically-sealed construction, thereby medium flows out and directly enters the first fluid hole and then enter into radial plunger pump or horse from check valveIn reaching; In the time of radial plunger pump or motor hydraulic fluid, because the interaction medium of check valve can not adverse current and the outer peripheral face and of check valveBetween the inwall of one inlet opening, form movable sealing, thereby medium can promote check valve and compresses the first bullet to the first end cap one lateral movementSpring, throws off check valve and the second end cap, and medium enters the cavity between valve body and check valve and flows out from the second fluid hole,Thereby the flow process that completes an imbibition and hydraulic fluid, completes flow. Flat valve of the present invention has only used a check valve, by listTo coordinating between valve and valve body, the first end cap, the second end cap, thus the flow work while completing imbibition and hydraulic fluid, with respect toTraditional flat valve being made up of multiple check valves, inlet valve and discharge van are combined into an entirety by the present invention, reduced unidirectionalThe number of valve, and then leakage while having reduced flat valve of the present invention work, the efficiency while having improved flat valve work of the present invention,Make flat valve of the present invention have the advantages that leakage rate is little, efficiency is high. Meanwhile, flat valve of the present invention also have simple in structure,Be easy to the feature of processing, processing cost is low, assembly precision is high.
Brief description of the drawings
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, schematic reality of the present inventionExecute example and explanation thereof for explaining the present invention, do not form inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 shows the overall structure schematic diagram of flat valve of the present invention;
Fig. 2 shows the structural representation of the check valve in Fig. 1.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, valve body; 11, the second fluid hole; 20, the first end cap; 21, the first inlet opening; 30, the second end cap; 31, firstFluid hole; 40, check valve; 41, check valve valve body; 42, check valve end cap; 421, the second inlet opening; 43, the second spring;44, Ball valve; 45, chamfering; 50, the first spring; 60, Glais ring.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Be noted that following detailed description is all exemplary, being intended to provides further instruction to the application. Unless separately there is fingerBright, all technology used herein and scientific terminology have with the application person of an ordinary skill in the technical field conventionally to be understoodIdentical meanings.
Form easily leakage problem for solving flat valve of the prior art by multiple check valves, the invention provides a kind of flowValve.
As shown in Figure 1, flat valve comprises valve body 10, the first end cap 20, the second end cap 30 and check valve 40, edge on valve body 10The bearing of trend of valve body 10 offers the first liquid-through hole, and the first end of the first end cap 20 and the first liquid-through hole is tightly connected, and firstOn end cap 20, offering the first inlet opening 21, the first inlet openings 21 is stepped hole, and the second end cap 30 is in second of the first liquid-through holeEnd is tightly connected, and offers the first fluid hole 31 on the second end cap 30, in the outer peripheral face of check valve 40 and the first inlet opening 21Between wall, form movable sealing, the first end end face of check valve 40 is by between the first spring 50 and the step surface of the first inlet opening 21Connect, apical grafting between the second end of check valve 40 and the second end cap 30, on valve body 10 at the first end cap 20 and the second end cap 30Between offer the second fluid hole 11 perpendicular to the first liquid-through hole. The second end cap 30 1 sides and radial plunger pump or horse of flat valveReach connection, in the time of radial plunger pump or motor imbibition, medium enters from the first inlet opening 21, and check valve 40 is opened, due to listTo valve 40 and the second end cap 30 apical graftings, between the two, form hermetically-sealed construction, thereby medium flows out and directly enters from check valve 40Then one fluid hole 31 enters into radial plunger pump or motor; In the time of radial plunger pump or motor hydraulic fluid, due to check valve 40Interaction medium can not adverse current and the outer peripheral face of check valve and the inwall of the first inlet opening 21 between form movable sealing, thereby medium meetingPromote check valve 40 and compress the first spring 50 to the first end cap 20 1 lateral movements, make check valve 40 and the second end cap 30 de-Open, medium enters the cavity between valve body 10 and check valve 40 and flows out from the second fluid hole 11, thus complete an imbibition andThe flow process of hydraulic fluid, completes flow. Flat valve of the present invention has only used a check valve 40, by check valve 40 and valve body 10,Cooperation between the first end cap 20, the second end cap 30, thereby the flow work while completing imbibition and hydraulic fluid, with respect to traditional byThe flat valve that multiple check valves 40 form, inlet valve and discharge van are combined into an entirety by the present invention, reduced check valve 40Number, and then leakage while having reduced flat valve of the present invention work, the efficiency while having improved flat valve work of the present invention,Make flat valve of the present invention have the advantages that leakage rate is little, efficiency is high.
Preferably, the second fluid hole 11 is symmetrically arranged with multiple along the circumferential interval of valve body 10. Because the second fluid hole 11 is along valveThe circumferential interval of body 10 is symmetrically arranged with multiple, thereby in hydraulic fluid process, medium enters between valve body 10 and check valve 40When cavity, can make the radial force balance of check valve 40, thereby avoid that made by force unbalance unidirectional due to check valve 40Between the inwall of valve 40 and the first inlet opening 21, frictional force increases, and then reduces the inwall of check valve 40 along the first inlet opening 21Frictional force when slip, in the service life of improving check valve 40, meanwhile, the second fluid hole 11 is along the circumferential interval pair of valve body 10Claim to be provided with and also can meet flat valve when multiple and carry out dosing to multiple branch roads. The second fluid hole 11 is as shown in Figure 1 symmetricalThe embodiment of two is set.
As shown in Figure 1, between the first end cap 20 and the first liquid-through hole, between the second end cap 30 and the first liquid-through hole, pass through screw threadConnect. Due between the first end cap 20 and the first liquid-through hole, be threaded connection between the second end cap 30 and the first liquid-through hole,Thereby first between end cap 20 and the first liquid-through hole, between the second end cap 30 and the first liquid-through hole, can install easily andDismounting, makes flat valve of the present invention have the feature of the assembly and disassembly of being easy to.
Preferably, the junction of the junction of the first end cap 20 and the first liquid-through hole, the first end cap 20 and the first liquid-through hole scribblesFluid sealant. Junction by the junction at the first end cap 20 and the first liquid-through hole, the first end cap 20 and the first liquid-through hole is coated withFluid sealant, thus can increase between the first end cap 20 and the first liquid-through hole, close between the second end cap 30 and the first liquid-through holeEnvelope effect, reduces and reveals.
As depicted in figs. 1 and 2, check valve 40 comprises check valve valve body 41, check valve end cap 42 and the second spring 43, unidirectionalBetween the inwall of the outer peripheral face of valve body 41 and the first inlet opening 21, form movable sealing, the first end end face of check valve valve body 41 is logicalCross between the first spring 50 and the step surface of the first inlet opening 21 and be connected, the second end of check valve valve body 41 and the second end cap 30Between apical grafting, on check valve valve body 41, offer the second liquid-through hole along check valve valve body 41 bearing of trends, on check valve end cap 42Offer the second inlet opening 421, one end near the first end cap 20 of check valve end cap 42 and the second liquid-through hole is tightly connected, theA side near the second end cap 30 of two liquid-through holes is set to stepped hole, a side of the second spring 43 and the step of the second liquid-through holeFace connects, and between the opposite side of the second spring 43 and check valve end cap 42, is provided with Ball valve 44, and the diameter of Ball valve 44 is greater thanThe diameter of the second inlet opening 421, apical grafting between Ball valve 44 and check valve end cap 42. By check valve valve body 41 and first endCooperation between lid 20 and the second end cap 30, thus flat valve of the present invention is only being used on the basis of a check valve 40Flow while realizing imbibition and hydraulic fluid, is combined into an entirety by inlet valve and discharge van, has reduced the number of check valve, therebyAnd then leakage while having reduced flat valve of the present invention work, the efficiency while having improved flat valve work of the present invention, and reducedThe cost of flat valve of the present invention.
As shown in Figure 1, between the outer peripheral face of check valve valve body 41 and the inwall of the first inlet opening 21, be provided with Glais ring 60. ByBetween the outer peripheral face of check valve valve body 41 and the first inlet opening 21, be provided with Glais ring 60, thereby can improve check valve valve bodySealing effectiveness between the inwall of 41 outer peripheral face and the first inlet opening 21, the outer peripheral face and first that reduces check valve valve body 41 entersFrictional force between the inwall in liquid hole 21, and lattice dish circle also has high voltage bearing feature, thereby use the Glais ring can be effectivelyImprove the resistance to pressure of flat valve of the present invention.
As shown in Figure 1, the second end of check valve valve body 41 is provided with chamfering 45, between chamfering 45 and the rib of the first fluid hole 31Apical grafting. Due to apical grafting between chamfering 45 and the rib of the first fluid hole 31, thereby make check valve valve body 41 and the first fluid hole 31Form conical surface seal, thereby bonding is to the sealing effectiveness between the second end and first fluid hole 31 of valve body 41, ensuresWhen imbibition, medium can not revealed from the junction of the second end of check valve valve body 41 and the first fluid hole 31, ensures of the present invention joiningThe flow effect of stream valve.
As depicted in figs. 1 and 2, between check valve end cap 42 and the second liquid-through hole, be threaded connection, thereby make of the present inventionBetween check valve end cap 42 and the second liquid-through hole, be easy to installation and removal, make check valve 40 be easy to installation and removal.
Preferably, the junction of check valve end cap 42 and the second liquid-through hole scribbles fluid sealant, thereby can improve check valve end cap 42And the sealing effectiveness between the second liquid-through hole.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
1. flat valve of the present invention has reduced the number of check valve, thereby the leakage while having reduced flat valve work has improved flowEfficiency when valve work;
2. simple in structure, be easy to processing, save cost, easy to use;
3. cavitation erosion and the vibration of valve port have been reduced.
It should be noted that the term that used is only in order to describe detailed description of the invention here, but not intention restriction is according to this ShenIllustrative embodiments please. As used herein, unless context explicitly points out in addition, otherwise singulative is also intended toComprise plural form, in addition, it is to be further understood that when using in this manual term " to comprise " and/or when " comprising ",It indicates and has feature, step, work, device, assembly and/or their combination.
It should be noted that term " first ", " second " etc. in the application's description and claims and above-mentioned accompanying drawingBe to get rid of in the similar object of difference, and needn't be used for describing specific order or precedence. Should be appreciated that the data of such useSuitably in situation, can exchange, so that the application's described herein embodiment can be to remove that illustrates or describe hereOrder beyond a little is implemented. In addition, term " comprises " and " having " and their any distortion, is intended to be to cover notExclusive comprises, and for example, the process, method, system, product or the equipment that have comprised series of steps or unit are not necessarily limited to clearlyThose steps or the unit listed to Chu, but can comprise clearly do not list or for these processes, method, product orOther step or unit that equipment is intrinsic.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, etc.With replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a flat valve, is characterized in that, comprising:
Valve body (10), described valve body (10) is upper offers the first liquid-through hole along the bearing of trend of described valve body (10);
The first end cap (20), the first end of described the first end cap (20) and described the first liquid-through hole is tightly connected, and described theOn one end cap (20), offer the first inlet opening (21), described the first inlet opening (21) is stepped hole;
The second end cap (30), described the second end cap (30) is tightly connected in the second end of described the first liquid-through hole, and describedOn two end caps (30), offer the first fluid hole (31);
Check valve (40), forms between the outer peripheral face of described check valve (40) and the inwall of described the first inlet opening (21)Movable sealing, the first end end face of described check valve (40) is by the first spring (50) and described the first inlet opening (21)Step surface between connect, apical grafting between the second end of described check valve (40) and described the second end cap (30), described inValve body (10) is upper to be offered perpendicular to described first between described the first end cap (20) and described the second end cap (30)Second fluid hole (11) of liquid-through hole.
2. flat valve according to claim 1, is characterized in that, described the second fluid hole (11) is along described valve body (10)Circumferentially interval is symmetrically arranged with multiple.
3. flat valve according to claim 1, is characterized in that, described the first end cap (20) and described the first liquid-through hole itBetween, between described the second end cap (30) and described the first liquid-through hole, be threaded connection.
4. flat valve according to claim 3, is characterized in that, described the first end cap (20) and described the first liquid-through holeJunction, described the first end cap (20) scribble fluid sealant with the junction of described the first liquid-through hole.
5. flat valve according to claim 1, is characterized in that, described check valve (40) comprising:
Check valve valve body (41), the inwall of the outer peripheral face of described check valve valve body (41) and described the first inlet opening (21)Between form movable sealing, the first end end face of described check valve valve body (41) by described the first spring (50) with described inBetween the step surface of the first inlet opening (21), connect the second end of described check valve valve body (41) and described the second end cap(30) apical grafting between, described check valve valve body (41) is upper offers the along described check valve valve body (41) bearing of trendTwo liquid-through holes;
Check valve end cap (42), offers the second inlet opening (421), described check valve on described check valve end cap (42)End cap (42) is tightly connected with one end of close described first end cap (20) of described the second liquid-through hole;
The second spring (43), the side near the second end cap (30) of described the second liquid-through hole is set to stepped hole, described inOne side of the second spring (43) is connected with the step surface of described the second liquid-through hole, the opposite side of described the second spring (43)And between described check valve end cap (42), be provided with Ball valve (44), the diameter of described Ball valve (44) is greater than describedThe diameter of two inlet openings (421), apical grafting between described Ball valve (44) and described check valve end cap (42).
6. flat valve according to claim 5, is characterized in that, the outer peripheral face of described check valve valve body (41) and describedBetween the inwall of one inlet opening (21), be provided with Glais ring (60).
7. flat valve according to claim 5, is characterized in that, the second end of described check valve valve body (41) is provided with downAngle (45), apical grafting between described chamfering (45) and the rib of described the first fluid hole (31).
8. flat valve according to claim 5, is characterized in that, described check valve end cap (42) and described the second liquid-through holeBetween be threaded connection.
9. flat valve according to claim 8, is characterized in that, described check valve end cap (42) and described the second liquid-through holeJunction scribbles fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510937652.2A CN105587703B (en) | 2015-12-17 | 2015-12-17 | Flat valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510937652.2A CN105587703B (en) | 2015-12-17 | 2015-12-17 | Flat valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105587703A true CN105587703A (en) | 2016-05-18 |
| CN105587703B CN105587703B (en) | 2017-11-14 |
Family
ID=55927527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510937652.2A Expired - Fee Related CN105587703B (en) | 2015-12-17 | 2015-12-17 | Flat valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105587703B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441750A (en) * | 2018-09-30 | 2019-03-08 | 江苏金陵智造研究院有限公司 | A kind of axial plunger pump |
| CN112983919A (en) * | 2021-03-31 | 2021-06-18 | 同济大学 | Large-impulse hydraulic power mechanism based on shaft flow distribution |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1155285A (en) * | 1965-08-09 | 1969-06-18 | Sutter Ltd A | Improvements in or relating to Valves for Spray Nozzles. |
| CN1322905A (en) * | 2000-05-08 | 2001-11-21 | 帕森斯及惠特莫尔有限公司 | Two-way check valve using for hydraulic system |
| US6467392B1 (en) * | 1999-11-09 | 2002-10-22 | Mercedes Benz Lenkungen Gmbh | Steering damper for a hydraulic power-assisted steering system |
| CN201810789U (en) * | 2010-03-26 | 2011-04-27 | 智胜化工股份有限公司 | Optimized structure of combined valve of urea ammonium carbamate pump |
| CN205277963U (en) * | 2015-12-17 | 2016-06-01 | 机械科学研究总院 | Flat valve |
-
2015
- 2015-12-17 CN CN201510937652.2A patent/CN105587703B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1155285A (en) * | 1965-08-09 | 1969-06-18 | Sutter Ltd A | Improvements in or relating to Valves for Spray Nozzles. |
| US6467392B1 (en) * | 1999-11-09 | 2002-10-22 | Mercedes Benz Lenkungen Gmbh | Steering damper for a hydraulic power-assisted steering system |
| CN1322905A (en) * | 2000-05-08 | 2001-11-21 | 帕森斯及惠特莫尔有限公司 | Two-way check valve using for hydraulic system |
| CN201810789U (en) * | 2010-03-26 | 2011-04-27 | 智胜化工股份有限公司 | Optimized structure of combined valve of urea ammonium carbamate pump |
| CN205277963U (en) * | 2015-12-17 | 2016-06-01 | 机械科学研究总院 | Flat valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441750A (en) * | 2018-09-30 | 2019-03-08 | 江苏金陵智造研究院有限公司 | A kind of axial plunger pump |
| CN112983919A (en) * | 2021-03-31 | 2021-06-18 | 同济大学 | Large-impulse hydraulic power mechanism based on shaft flow distribution |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105587703B (en) | 2017-11-14 |
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Granted publication date: 20171114 Termination date: 20191217 |