CN105508701B - A kind of reverse structure pilot valve - Google Patents
A kind of reverse structure pilot valve Download PDFInfo
- Publication number
- CN105508701B CN105508701B CN201510637888.4A CN201510637888A CN105508701B CN 105508701 B CN105508701 B CN 105508701B CN 201510637888 A CN201510637888 A CN 201510637888A CN 105508701 B CN105508701 B CN 105508701B
- Authority
- CN
- China
- Prior art keywords
- valve
- intake antrum
- spool
- chamber
- pressure
- 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
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- 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
-
- 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
Abstract
A kind of reverse structure pilot valve discloses a kind of pilot valve of reverse structure, including valve body, spool, elastic cup, valve rod, valve seat.Valve body uses tubular design, and critical piece spool, elastic cup, valve rod, valve seat use tubular coaxial structure and layout all mounted on valve inner.It employs intake antrum pressure compaction spool and completes valve and be closed, the pressure differential that intake antrum is applied to the pressure of elastic cup inner cavity and intake antrum is acted on spool completes valve opening.The fluid pressure of elastic cup inner cavity, and then the action of controlling switch valve are controlled by valve rod.The present invention has the characteristics that simple and reliable for structure, crushing and water resistance are small, design requirement is low, mold requires low, cheap, good reliability and production installation is easy, fundamentally solves the deficiency of conventional pilot valves.
Description
Technical field
The present invention relates to the design application neighborhoods of pilot valve in pipeline valve, are one kind and conventional pilot valves direction of action phase
Anti- valve mechanism.
Background technology
Pilot valve is as the common valve that a kind of control force is small, control is reliable, service life is grown, in neighbours such as agricultural, industry
There is application in domain.
There is valve when closing valve due to assisting to close valve using bellows balance pressure, valve closing spring force in conventional pilot valves
Core closes the problem of small pressure, easy leakage.In order to improve this problem, valve closing spring bullet can be increased in conventional pilot valves design
Power, but since water inlet pressure need to overcome valve closing spring force to push spool valve opening, valve crushing can be caused serious again（Greatly
Mostly in more than 0.5-0.8MPa）.This structure conflict is conventional pilot valves insurmountable problem so far.
Conventional pilot valves control chamber and valve body sprue there are certain angle of cut, runner there are curve even right-angle structure,
It causes water resistance big, and during pipeline liquid impact spool, is also easy to produce pipeline lateral stress, thus causes pipe vibration and serious
Valve quivers phenomenon, and pipeline and valve body can be caused to damage, and corner be easy to cause blocking when serious.Also produce overall structure simultaneously
Intensity requirement is high, and size is larger to be unfavorable for the problem of small space is installed and used.
Conventional pilot valves runner is external, and mold manufacturing difficulty is big, runner is narrow easily blocks.Exist simultaneously it is complicated,
The shortcomings that design requirement is high, manufacture is of high cost, the phenomenon that causing to be difficult to be suitable for small size valve（Below DN40 is produced without market
Product）, significantly limit the market application of pilot valve.
Invention content
The present invention in order to solve these problems, innovates a kind of reverse structure guide completely opposite with pilot valve valve opening structure
Valve.
A kind of reverse structure pilot valve, intake antrum are connected by valve port with water chamber, form valve sprue.Spool and valve
By the way of inverting, spool is placed in front of valve port mouth（Relative to water inlet）, spool is coaxially distributed with valve body, without laterally should
Power is quivered phenomenon so as to eliminate valve.
Based on features above, spool is provided with towards the inlet opening of leather cup chamber, and valve seat is provided with the osculum of leather cup chamber, water inlet
The secondary channels of control that hole, leather cup chamber are formed with osculum.Valve rod pass through inlet opening, leather cup chamber and osculum, and control into
Water hole and the closure of osculum.
Based on features above, when valve rod is moved to water inlet cavity direction.Then osculum open, intake bore closure, water chamber with
Leather cup chamber connects.Leather cup chamber empties, and water inlet cavity pressure forces spool to move closing valve port to valve port direction, and intake antrum is blocked to pass through
Valve is connected with water chamber,.Due to using intake antrum pressure closes valve door, there is the advantages of closing is reliable, No leakage.
Based on features above, when valve rod is moved to water outlet cavity direction.Then draining bore closure, inlet opening are opened.Intake antrum with
Leather cup chamber connects, and leather cup cavity pressure forces spool to open valve port to water inlet cavity direction movement, and intake antrum is connected with water chamber, valve
Door is opened, and since spool drag is small, valve crushing is minimum（0.05-0.1MPa）.In addition all straight line knots of major and minor runner
Structure, therefore runner water resistance is minimum, and is not easy to plug.
A kind of reverse structure pilot valve based on features above using whole coaxial tubulars due to being laid out, all Impact directions
All it is coaxial direction, primary structure can be completely sealed in valve inner, therefore Structural strength calls are low, volume size is small.Simultaneously
Since primary structure is designed for coaxial tubular, should this can be fully mounted to be coaxial docking within pipeline or with pipeline.
A kind of reverse structure pilot valve based on features above is with compact-sized, simple and reliable, mold and manufacture
The characteristics of at low cost, small, installation is simply and market application range is big.
Description of the drawings
Attached drawing 1 is a kind of schematic diagram of reverse structure pilot valve.
It is marked in attached drawing 1：1 valve body, 2 water sealing aprons, 3 control-rods, 4 water chambers, 5 elastic cups, 6 spool cushion rubbers, 7 valves
Core, 8 inlet openings, 9 intake antrums, 10 valve ports, 11 valve rod cushion rubbers, 12 valve rods, 13 leather cup chambers, 14 valve seats, 15 osculums.
Specific embodiment
A kind of reverse structure pilot valve as shown in Figure 1, including valve body（1）, water sealing aprons（2）, control-rod（3）, water outlet
Chamber（4）, elastic cup（5）, spool cushion rubber（6）, spool（7）, inlet opening（8）, intake antrum（9）, valve port（10）, valve rod cushion rubber
（11）, valve rod（12）, leather cup chamber（13）, valve seat（14）, osculum（15）.
As shown in Figure 1, valve body（1）Include intake antrum（9）, valve port（10）, water chamber（4）, valve seat（14）.Intake antrum
（9）, valve port（10）, water chamber（4）, valve seat（14）In valve body（1）It is interior to arrange for coaxial linear, intake antrum（9）Pass through valve port
（10）With water chamber（4）Connection.
As shown in Figure 1, elastic cup（5）Mounted on spool（7）With valve seat（14）It is intermediate.Elastic cup（5）With spool
（7）, valve seat（14）The leather cup chamber of closing is collectively formed（13）, pass through leather cup chamber（13）Interior pressure can push spool（7）Along
Valve body（1）Axially do straight reciprocating motion.
As shown in Figure 1, spool（7）On have inlet opening（8）, spool（7）Mounted on valve port（10）It is interior, spool（7）, water inlet
Hole（8）, valve port（10）Coaxial line is arranged.
As shown in Figure 1, spool cushion rubber（6）Mounted on spool（7）On, spool（7）It is linearly moved to intake antrum in an axial direction
（9）During one end, spool（7）With spool cushion rubber（6）Block intake antrum（9）Pass through valve port（10）With water chamber（4）Between connection.
As shown in Figure 1, intake antrum（9）Pass through inlet opening（8）With leather cup chamber（13）It communicates.Valve seat（14）On have osculum
（15）, water chamber（4）Pass through osculum（15）With leather cup chamber（13）It communicates.
As shown in Figure 1, inlet opening（8）, valve rod（12）, leather cup chamber（13）The osculum of sum（15）It is arranged for coaxial linear
Cloth, valve rod（12）With control-rod（3）Connection, control-rod（3）Axial-rotation can drive valve rod（12）Linear reciprocation fortune is done along axis
It is dynamic.
As shown in Figure 1, valve rod（12）To water chamber（4）When direction moves, intake antrum（9）Pass through inlet opening（8）With skin
Bowl chamber（13）Connection, water chamber（4）Pass through osculum（15）With leather cup chamber（13）Connection be blocked, intake antrum（9）Pressure is led to
Cross leather cup chamber（13）Force elastic cup（5）Push spool（7）To intake antrum（9）It moves in direction.Intake antrum（9）Pass through valve port
（10）With water chamber（4）Between connect, valve open.
As shown in Figure 1, valve rod cushion rubber（11）Mounted on valve rod（12）One end, valve rod（12）To intake antrum（9）It transports in direction
When dynamic, water chamber（4）Pass through osculum（15）With leather cup chamber（13）Connection, intake antrum（9）Pass through inlet opening（8）With leather cup chamber
（13）Connection be blocked, intake antrum（9）Pressure forces spool（7）To water chamber（4）Direction is moved, intake antrum（9）Pass through valve
Mouthful（10）With water chamber（4）Between connection be blocked, valve close.
As shown in Figure 1, control-rod（3）With water sealing aprons（2）Mounted on valve body（1）On, water sealing aprons（2）Prevent valve body
（1）Interior liquid passes through control-rod（3）Leakage.
Claims (8)
1. a kind of reverse structure pilot valve, it is characterised in that：Valve body including tubular structure（1）And it is installed on valve body（1）It is interior
The water chamber in portion（4）, elastic cup（5）, spool（7）, inlet opening（8）, intake antrum（9）, valve port（10）, valve rod（12）, leather cup
Chamber（13）, valve seat（14）, osculum（15）；Spool（7）, valve seat（14）With elastic cup（5）Leather cup chamber is collectively formed（13）, valve
Core（7）On be provided with inlet opening（8）, intake antrum（9）Pass through inlet opening（8）With leather cup chamber（13）Connection, valve seat（14）It is provided with draining
Hole（15）, water chamber（4）Pass through osculum（15）With leather cup chamber（13）Connection；Intake antrum（9）, spool（7）, inlet opening（8）, skin
Bowl chamber（13）, valve seat（14）And osculum（15）Sequentially coaxially line is arranged.
2. a kind of reverse structure pilot valve according to claim 1, it is characterised in that：Intake antrum（9）Fluid pressure pushes
Spool（7）To water chamber（4）Direction moves in a straight line, and can make intake antrum（9）Pass through valve port（10）With water chamber（4）Connection quilt
It blocks.
3. a kind of reverse structure pilot valve according to claim 2, it is characterised in that：Elastic cup（5）Push spool（7）
To intake antrum（9）Direction moves in a straight line, and can make intake antrum（9）Pass through valve port（10）With water chamber（4）Connection.
4. a kind of reverse structure pilot valve according to claim 3, it is characterised in that：Valve rod（12）To water chamber（4）Side
To movement, intake antrum（9）Pass through inlet opening（8）With leather cup chamber（13）Connection, water chamber（4）Pass through osculum（15）With leather cup chamber
（13）Connection be blocked.
5. a kind of reverse structure pilot valve according to claim 4, it is characterised in that：Valve rod（12）To intake antrum（9）Side
To movement, water chamber can be caused（4）Pass through osculum（15）With leather cup chamber（13）Connection, intake antrum（9）Pass through inlet opening（8）With
Leather cup chamber（13）Connection be blocked.
6. a kind of reverse structure pilot valve according to claim 5, it is characterised in that：Valve body（1）, intake antrum（9）, valve
Core（7）, valve port（10）, elastic cup（5）, valve rod（12）, valve seat（14）For axial coaxial distribution.
7. a kind of reverse structure pilot valve according to claim 6, it is characterised in that：Leather cup chamber（13）With intake antrum
（9）When intracavitary pressure is identical, elastic cup（5）It is applied to spool（7）On pressure be more than intake antrum（9）It is applied to spool（7）
On pressure, pressure differential should ensure that spool（7）Smoothly to intake antrum（9）Direction axially moves.
8. a kind of reverse structure pilot valve according to claim 7, it is characterised in that：Leather cup chamber（13）, water chamber（4）
With intake antrum（9）When intracavitary pressure is identical, elastic cup（5）It is applied to spool（7）On pressure be less than intake antrum（9）It is applied to
Spool（7）On pressure, pressure differential should ensure that spool（7）Smoothly to water chamber（4）Direction axially moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510637888.4A CN105508701B (en) | 2015-10-07 | 2015-10-07 | A kind of reverse structure pilot valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510637888.4A CN105508701B (en) | 2015-10-07 | 2015-10-07 | A kind of reverse structure pilot valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508701A CN105508701A (en) | 2016-04-20 |
| CN105508701B true CN105508701B (en) | 2018-06-08 |
Family
ID=55716896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510637888.4A Active CN105508701B (en) | 2015-10-07 | 2015-10-07 | A kind of reverse structure pilot valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508701B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4613111A (en) * | 1983-12-22 | 1986-09-23 | Cit-Alcatel Compagnie Industrielle Des Telecommunications | Valve which is opened by reduced pressure |
| US5722454A (en) * | 1996-03-12 | 1998-03-03 | Q-Fuse Llc | Fluid flow fuse |
| CN2486803Y (en) * | 2001-06-22 | 2002-04-17 | 周岳建 | Anti-theft hammer guide valve |
| CN201293139Y (en) * | 2008-11-28 | 2009-08-19 | 遵义群建塑胶制品有限公司 | Microelectronic control solenoid valve |
| CN103925391A (en) * | 2014-04-25 | 2014-07-16 | 宁波南车时代传感技术有限公司 | Two-position three-way valve with air control end |
| CN205013817U (en) * | 2015-10-07 | 2016-02-03 | 王大海 | Reverse structure pilot valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3476593B2 (en) * | 1995-06-12 | 2003-12-10 | 株式会社テージーケー | Pilot type solenoid valve |
-
2015
- 2015-10-07 CN CN201510637888.4A patent/CN105508701B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4613111A (en) * | 1983-12-22 | 1986-09-23 | Cit-Alcatel Compagnie Industrielle Des Telecommunications | Valve which is opened by reduced pressure |
| US5722454A (en) * | 1996-03-12 | 1998-03-03 | Q-Fuse Llc | Fluid flow fuse |
| CN2486803Y (en) * | 2001-06-22 | 2002-04-17 | 周岳建 | Anti-theft hammer guide valve |
| CN201293139Y (en) * | 2008-11-28 | 2009-08-19 | 遵义群建塑胶制品有限公司 | Microelectronic control solenoid valve |
| CN103925391A (en) * | 2014-04-25 | 2014-07-16 | 宁波南车时代传感技术有限公司 | Two-position three-way valve with air control end |
| CN205013817U (en) * | 2015-10-07 | 2016-02-03 | 王大海 | Reverse structure pilot valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508701A (en) | 2016-04-20 |
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