CN108317260A - A kind of heavy caliber quick-acting valve - Google Patents
A kind of heavy caliber quick-acting valve Download PDFInfo
- Publication number
- CN108317260A CN108317260A CN201810289543.8A CN201810289543A CN108317260A CN 108317260 A CN108317260 A CN 108317260A CN 201810289543 A CN201810289543 A CN 201810289543A CN 108317260 A CN108317260 A CN 108317260A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- guide
- spool
- guide rod
- 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.)
- Pending
Links
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
- F16K1/32—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
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of heavy caliber quick-acting valves, including valve body, guide rod, the linear guide, valve seat, spool, radome fairing, guide cylinder, driving device, the spring for pushing guide rod to move backward and the clamping device for holding guide rod tightly for pushing guide rod to move forward, valve body includes inner valve body and outer valve, the linear guide is mounted in valve body, and spool is supported by horizontally disposed the linear guide；Bearing is coaxially installed on valve seat, one end of guide rod is put in guide cylinder, the other end of guide rod is slidably connected with bearing, spool is affixed with guide rod, the piston rod of driving device and guide cylinder are coaxial, the free end of piston rod is mounted in or is not mounted in guide cylinder, and spring is set in guide cylinder and is set on the guide bar, and clamping device is piezoelectric crystal material.The present invention uses axial-flow type bypass structure, valve closing to be completed by Conventional mechanisms, and unlatching is completed by spring, and transmission device is failure to actuate during valve opening, can be opened to Millisecond.
Description
Technical field
The present invention relates to valve technology field more particularly to a kind of heavy caliber quick-acting valves.
Background technology
In Aero-Space test system, when experiment, needs quick drain manifold pressure, it is desirable that drain time is millisecond
Grade (generally within 10ms), current processing mode are installation rupture disk.After each experiment of rupture disk is installed, rupture disk damage
It needs to re-replace installation, the cumbersome time schedule for influencing experiment of process CIMS, waste of material is larger, and uses general keying type
Valve be difficult the unlatching for solving the problems, such as its Millisecond because realize valve start internal transmission by cylinder or oil cylinder direct
Driving is connect, and in order to avoid oil cylinder/impact injury caused by cylinder fast opening and closing, such transmission device generally requires band buffering knot
Structure, and the buffer time of buffer structure is generally higher than or equal to 1S.
Meanwhile pipe diameter is big, corresponding valve aperture is big, and the overall weight of valve is big, and kinetic energy when opening soon is big, impact
Greatly, valve is fragile；Bore is big, and flow field change when opening soon is big, and valve stability is poor；Bore is big, during valve opening and closing
Part quality weight, valve pipe pressure is low, and dynamic moving component dyskinesia is pushed by pipeline internal pressure.
In addition, the axial seal in transmission device during piston motion rubs too greatly during fast opening and closing, it cannot
Meet requirement of the opening time less than 10ms.Also, the opening time is less than 10ms, and the sealing structure with axial seal cannot be real
It is existing, because axial seal structure, using soft sealing material, soft sealing material cannot bear quickly to rub.
Piezo-electric crystal is a kind of functional material with piezoelectric effect.When along certain orientation by outer force effect,
Inside will produce polarization phenomena, make charging point that relative displacement occur, to generate symbol phase equal in magnitude on plane of crystal
Anti- charge；After external force is removed, and it is restored to non-charged state.The size of the quantity of electric charge and external force caused by crystal stress at
Direct ratio.This phenomenon is piezoelectric effect.Conversely, such as applying electric field to crystal, crystal will generate mechanically deform in a certain direction；
After extra electric field removes, which also disappears therewith.This phenomenon is known as inverse piezoelectric effect, also referred to as electrostriction effect.
Invention content
The present invention is intended to provide heavy caliber quick-acting valve, can open to Millisecond.
In order to achieve the above objectives, the technical solution adopted by the present invention is as follows：
A kind of spool driving structure, using axial-flow type bypass structure, reducing fast-open type flow field change influences, and increases valve and opens
Close stability；And decompose valve opening and closing process, it is completed, is opened complete by special construction by Conventional mechanisms wherein closing
At." preceding " in the present invention refers to the inflow direction of medium, otherwise after being.Specifically include valve body, guide rod, the linear guide, valve
Seat, spool, radome fairing, guide cylinder, for push guide rod move forward driving device, for pushing guide rod to move backward
Spring and clamping device for holding guide rod tightly, the valve body include inner valve body and outer valve, the inner valve body and outer valve
Medium runner is formed between body, the radome fairing is mounted on the end of inner valve body front end, and the valve seat is mounted on outer valve, valve seat
Positioned at the rear end of outer valve；The guide cylinder and driving device are mounted in inner valve body；
The linear guide is mounted in valve body, and the spool is supported by horizontally disposed the linear guide, spool and straight line
Guide rail is slidably matched；The guide rod is horizontally disposed, bearing is coaxially installed on valve seat, one end of guide rod puts in guide cylinder
In, the other end and the bearing of guide rod are slidably connected, and the spool and guide rod are affixed, and the spool has sealing to tie with valve base chamber
Structure has sealing structure between spool and inner valve body；The piston rod of the driving device and guide cylinder are coaxial, the freedom of the piston rod
End is mounted in or is not mounted in guide cylinder, and the spring is set in guide cylinder and is set on the guide bar.
Further, the clamping device and guide cylinder are affixed.
Further, the clamping device is piezoelectric crystal material.
Further, the sealing structure between spool and inner valve body is end face seal structure.
Wherein, the sealing structure between spool and inner valve body includes set on the sealing ring of spool front end and on inner valve body
Sealing surface.
Further, valve body includes front valve shell, middle valve body and rear valve body, the both ends of the middle valve body respectively with front valve shell and
Rear valve body connects, and the front valve shell and middle valve body are the inside and outside double-deck valve body structure, the internal layer of the front valve shell and middle valve body it is interior
Layer constitutes inner valve body, and the outer layer of the front valve shell, the outer layer of middle valve body and rear valve body constitute outer valve, and the radome fairing is mounted on
The end of front valve shell front end, the valve seat are mounted on rear valve body.
Wherein, the driving device includes cylinder or oil cylinder.
Further, the linear guide includes horizontally disposed supporting rod, and supporting rod one end installation on the inner body, is propped up
The strut other end is mounted on valve seat, and the supporting rod is circumferentially-spaced to be equipped at least two；The spool is equipped with and supporting rod
The axle sleeve of adaptation.
Preferably, axle sleeve is anti-wear sleeve.
Compared with prior art, the invention has the advantages that：
1. the present invention uses axial-flow type bypass structure, reducing fast-open type flow field change influences, and increases valve opening and closing stability；
Valve opening and closing process are decomposed, closing is completed by Conventional mechanisms, and unlatching is completed by special construction, can be opened to Millisecond
It opens；Moreover, transmission device is failure to actuate during valve opening, buffer problem and the piston ring for solving transmission device are circumferentially close
The friction problem of seal；
2. the sealing between valve body of motion seal component spool uses end face seal, circumferential seal is not used, is avoided close
Circumferential friction damage of the closure material in quick opening process.
Description of the drawings
Fig. 1 is the structural schematic diagram when present invention closes；
Fig. 2 is the structural schematic diagram when present invention opens；
In figure：1- bearings, 2- guide rods, 3- the linear guides, 4- valve seats, 5- spools, 6- axle sleeves, 7- rear valve bodies, 8- sealings
Valve body, 10- clamping devices, 11- springs, 12- front valve shells, 13- radome fairings, 14- driving devices, 15- guide cylinders in circle, 9-.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.
As shown in Figure 1, 2, heavy caliber quick-acting valve disclosed by the invention, including valve body, guide rod 2, the linear guide 3,
Valve seat 4, spool 5, radome fairing 13, guide cylinder 15, for push guide rod 2 move forward driving device 14, for push lead
The spring 11 moved backward to bar 2 and the clamping device 10 for holding guide rod 2 tightly, valve body include inner valve body and outer valve, interior
Medium runner is formed between valve body and outer valve, radome fairing 13 is mounted on the end of inner valve body front end, and valve seat 4 is mounted on outer valve
On, valve seat 4 is located at the rear end of outer valve；Guide cylinder 15 and driving device 14 are mounted in inner valve body.
The linear guide 3 is mounted in valve body, and spool 5 is supported by horizontally disposed the linear guide 3, spool 5 and the linear guide 3
It is slidably matched；Guide rod 2 is horizontally disposed, and bearing 1 is coaxially installed on valve seat 4, and one end of guide rod 2 is put in guide cylinder 15,
Guide rod 2 passes through the connection of Kong Bingyu spools 5 among spool 5 to be integral, and the other end and the bearing 1 of guide rod 2 are slidably connected.
There is sealing structure between spool 5 and valve seat 4, has sealing structure between spool 5 and inner valve body；The piston rod and guide cylinder of driving device 14
15 is coaxial, and in assembly, the free end of piston rod can be mounted in guide cylinder 15, can not also be mounted in guide cylinder 15.Spring
11 are set in guide cylinder 15 and are sleeved on guide rod 2.
Clamping device 10 and guide cylinder 15 are affixed.Clamping device needs the when of opening that moment is needed to unclamp movement portion in valve
Part, conventional clamping device are difficult to meet, and this programme clamping device uses piezoelectric crystal material.Clamping device 10 is piezo-electric crystal
Material.The present invention utilizes the inverse piezoelectric effect of piezo-electric crystal, and piezoelectric crystal material, which is deformed, when energization presss from both sides valve motion part
Tightly, it deforms and disappears after dead electricity, unclamp valve motion component, valve is quickly opened under the action of the spring.
Sealing structure between spool 5 and inner valve body is end face seal structure.Wherein, the sealing knot between spool 5 and inner valve body
Structure includes the sealing ring 8 set on 5 front end of spool and the sealing surface on inner valve body.
Valve body includes front valve shell 12, middle valve body 9 and rear valve body 7, the both ends of middle valve body 9 respectively with front valve shell 12 and rear valve body
7 connections, front valve shell 12 and middle valve body 9 are the inside and outside double-deck valve body structure, in the internal layer of the internal layer of front valve shell 12 and middle valve body 9 is constituted
Valve body, the outer layer of front valve shell 12, the outer layer of middle valve body 9 and rear valve body 7 constitute outer valve, before radome fairing 13 is mounted on front valve shell 12
The end at end, valve seat 4 are mounted on rear valve body 7.
Wherein, driving device 14 includes cylinder or oil cylinder.The linear guide 3 includes horizontally disposed supporting rod, supporting rod
One end is mounted on the internal layer of middle valve body 9, and the supporting rod other end is mounted on valve seat 4, and supporting rod is circumferentially-spaced to be equipped at least two
Root；Spool 5 is equipped with the axle sleeve 6 being adapted to supporting rod, and it is anti-wear sleeve that supporting rod, which passes through axle sleeve, axle sleeve 6,.
The operation principle of the present invention：By driving device 14 using for cylinder.
(1), valve is closed
As shown in Figure 1, cylinder intake, piston rod stretches out, and after one section of idle stroke, pushes guide rod 2 to be moved to the left, leads
Band movable valve plug 5 is moved downward to bar 2 to be moved to the left, while spring 11 gradually reduces, the elastic force that spring 11 is laid in after compressing is valve
Door provides power when opening.After spool 5 and valve seat 4 contact, cylinder continues to exert a force, and 5 rear end of spool is sealed with valve seat 4, front end
Sealing ring 8 and 9 internal layer of middle valve body on sealing surface seal, medium stream is truncated, the pressure sensor being installed on pipeline
Feedback signal holds guide rod 2 tightly to clamping device, at this time clamping device 10, and the piston rod of cylinder is retracted, and valve completes entire close
Action is closed, is full off state.
(2), valve opening
As shown in Fig. 2, system sends out valve opening signal to clamping device 10, clamping device 10 unclamps after receiving signal
Guide rod 2, guide rod 2 move right under the elastic force effect of spring 11, and guide rod 2 moves right rapidly with movable valve plug 5, spool
5 sealing surfaces are detached from rapidly 4 sealing surface of valve seat, and medium starts to flow, and valve is quickly opened, and medium passes through front valve shell after valve is opened
12, the runner outflow that radome fairing 13, middle valve body 9, rear valve body 7 are formed.
The present invention uses axial-flow type bypass structure, and reducing fast-open type flow field change influences, and increases valve opening and closing stability；It will
Valve opening and closing process decompose, and closing is completed by Conventional mechanisms, and unlatching is completed by special construction, can be opened to Millisecond
It opens；Moreover, transmission device is failure to actuate during valve opening, buffer problem and the piston ring for solving transmission device are circumferentially close
The friction problem of seal.
Certainly, the present invention can also have other numerous embodiments, without deviating from the spirit and substance of the present invention,
Those skilled in the art can make various corresponding change and deformations, but these corresponding changes and change according to the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (9)
1. a kind of heavy caliber quick-acting valve, it is characterised in that:Including valve body, guide rod (2), the linear guide (3), valve seat (4),
Spool (5), radome fairing (13), guide cylinder (15), for push guide rod (2) move forward driving device (14), for pushing away
The spring (11) that action-oriented bar (2) moves backward and the clamping device (10) for holding guide rod (2) tightly, the valve body include interior
Valve body and outer valve, form medium runner between the inner valve body and outer valve, the radome fairing (13) is mounted on inner valve body front end
End, the valve seat (4) be mounted on outer valve on, valve seat (4) is located at the rear end of outer valve；The guide cylinder (15) and driving
Device (14) is mounted in inner valve body；
The linear guide (3) is mounted in valve body, and the spool (5) is supported by horizontally disposed the linear guide (3), spool
(5) it is slidably matched with the linear guide (3)；The guide rod (2) is horizontally disposed, and bearing (1) is coaxially installed on valve seat (4), is led
It is put in guide cylinder (15) to one end of bar (2), the other end and the bearing (1) of guide rod (2) are slidably connected, the spool (5)
It is affixed with guide rod (2), there are sealing structure, spool (5) to have sealing structure between inner valve body between the spool (5) and valve seat (4)；
Coaxially with guide cylinder (15), the free end of the piston rod is mounted in or is not mounted in and is oriented to the piston rod of the driving device (14)
In cylinder (15), the spring (11) is set in guide cylinder (15) and is sleeved on guide rod (2).
2. heavy caliber quick-acting valve according to claim 1, it is characterised in that：The clamping device (10) and guide cylinder
(15) affixed.
3. heavy caliber quick-acting valve according to claim 1 or 2, it is characterised in that：The clamping device (10) is pressure
Crystal material.
4. heavy caliber quick-acting valve according to claim 1, it is characterised in that：Sealing of the spool (5) between inner valve body
Structure is end face seal structure.
5. heavy caliber quick-acting valve according to claim 1 or 4, it is characterised in that：Spool (5) is close between inner valve body
Seal structure includes the sealing ring (8) set on spool (5) front end and the sealing surface on inner valve body.
6. heavy caliber quick-acting valve according to claim 1 or 4, it is characterised in that：The valve body includes front valve shell
(12), the both ends of middle valve body (9) and rear valve body (7), the middle valve body (9) are connect with front valve shell (12) and rear valve body (7) respectively,
The front valve shell (12) and middle valve body (9) are the inside and outside double-deck valve body structure, the internal layer of the front valve shell (12) and middle valve body (9)
Internal layer constitutes inner valve body, and the outer layer of the front valve shell (12), the outer layer of middle valve body (9) and rear valve body (7) constitute outer valve, described
Radome fairing (13) is mounted on the end of front valve shell (12) front end, and the valve seat (4) is mounted on rear valve body (7).
7. heavy caliber quick-acting valve according to claim 1, it is characterised in that：The driving device (14) includes cylinder
Or oil cylinder.
8. heavy caliber quick-acting valve according to claim 1 or 6, it is characterised in that：The linear guide (3) is set including level
The supporting rod set, on the inner body, the supporting rod other end is mounted on valve seat (4), the support for supporting rod one end installation
Bar is circumferentially-spaced to be equipped at least two；The spool (5) is equipped with the axle sleeve (6) being adapted to supporting rod.
9. heavy caliber quick-acting valve according to claim 8, it is characterised in that：Axle sleeve (6) is anti-wear sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289543.8A CN108317260A (en) | 2018-04-03 | 2018-04-03 | A kind of heavy caliber quick-acting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289543.8A CN108317260A (en) | 2018-04-03 | 2018-04-03 | A kind of heavy caliber quick-acting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317260A true CN108317260A (en) | 2018-07-24 |
Family
ID=62896374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810289543.8A Pending CN108317260A (en) | 2018-04-03 | 2018-04-03 | A kind of heavy caliber quick-acting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317260A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869050A (en) * | 2018-08-29 | 2018-11-23 | 北京航天动力研究所 | Ultralow temperature band pooling feature piston makees dynamic formula high pressure valve |
| CN108999991A (en) * | 2018-08-29 | 2018-12-14 | 能发伟业铁岭阀门股份有限公司 | A kind of heavy caliber piston type regulating valve |
| CN115095687A (en) * | 2022-07-14 | 2022-09-23 | 北京金色彩机电设备有限公司 | Two-stage distribution valve for high-viscosity liquid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6923203B2 (en) * | 2003-05-29 | 2005-08-02 | Rickey E. Wark | Variable orifice valve for airstream containing particulate coal |
| CN201496581U (en) * | 2009-09-10 | 2010-06-02 | 江南阀门有限公司 | Dual seal structure of piston type axial flow valve |
| CN203009872U (en) * | 2012-11-28 | 2013-06-19 | 中国空气动力研究与发展中心高速空气动力研究所 | Annular gap type pressure adjusting valve for transonic-supersonic wind tunnel |
| CN205592466U (en) * | 2015-04-24 | 2016-09-21 | 四川大学 | Quick air discharge valve |
| CN106439046A (en) * | 2016-12-13 | 2017-02-22 | 成都乘风阀门有限责任公司 | Gap adjusting valve |
| CN208311487U (en) * | 2018-04-03 | 2019-01-01 | 成都乘风阀门有限责任公司 | A kind of heavy caliber quick-acting valve |
-
2018
- 2018-04-03 CN CN201810289543.8A patent/CN108317260A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6923203B2 (en) * | 2003-05-29 | 2005-08-02 | Rickey E. Wark | Variable orifice valve for airstream containing particulate coal |
| CN201496581U (en) * | 2009-09-10 | 2010-06-02 | 江南阀门有限公司 | Dual seal structure of piston type axial flow valve |
| CN203009872U (en) * | 2012-11-28 | 2013-06-19 | 中国空气动力研究与发展中心高速空气动力研究所 | Annular gap type pressure adjusting valve for transonic-supersonic wind tunnel |
| CN205592466U (en) * | 2015-04-24 | 2016-09-21 | 四川大学 | Quick air discharge valve |
| CN106439046A (en) * | 2016-12-13 | 2017-02-22 | 成都乘风阀门有限责任公司 | Gap adjusting valve |
| CN208311487U (en) * | 2018-04-03 | 2019-01-01 | 成都乘风阀门有限责任公司 | A kind of heavy caliber quick-acting valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869050A (en) * | 2018-08-29 | 2018-11-23 | 北京航天动力研究所 | Ultralow temperature band pooling feature piston makees dynamic formula high pressure valve |
| CN108999991A (en) * | 2018-08-29 | 2018-12-14 | 能发伟业铁岭阀门股份有限公司 | A kind of heavy caliber piston type regulating valve |
| CN115095687A (en) * | 2022-07-14 | 2022-09-23 | 北京金色彩机电设备有限公司 | Two-stage distribution valve for high-viscosity liquid |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180724 |
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| RJ01 | Rejection of invention patent application after publication |