CN208311487U - A kind of heavy caliber quick-acting valve - Google Patents
A kind of heavy caliber quick-acting valve Download PDFInfo
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- CN208311487U CN208311487U CN201820461860.9U CN201820461860U CN208311487U CN 208311487 U CN208311487 U CN 208311487U CN 201820461860 U CN201820461860 U CN 201820461860U CN 208311487 U CN208311487 U CN 208311487U
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- valve
- valve body
- guide
- spool
- guide rod
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Abstract
The utility model relates to a kind of heavy caliber quick-acting valves, including valve body, guide rod, 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, linear guide is mounted in valve body, and spool is supported by horizontally disposed 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 not 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 utility model uses axial-flow type bypass structure, and valve closing is 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 utility model relates to valve technology field more particularly to a kind of heavy caliber quick-acting valves.
Background technique
In aerospace test system, when test, 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 installation rupture disk is tested every time, rupture disk damage
Need to re-replace installation, the cumbersome time schedule for influencing test of process CIMS, waste of material is larger, and uses general opening and closing type
Valve be difficult to solve the problems, such as the unlatching of its Millisecond because realize valve starting internal transmission by cylinder or oil cylinder direct
Driving is connect, and in order to avoid impact injury caused by oil cylinder/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 fastly is big, impact
Greatly, valve is easy to damage；Bore is big, and flow field change when opening fastly is big, and valve stability is poor；Bore is big, during valve opening and closing
Part quality weight, valve pipe pressure is low, pushes dynamic moving component dyskinesia 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 external force,
Inside can generate 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 caused by crystal stress and external force 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.
Utility model content
The utility model is intended to provide heavy caliber quick-acting valve, can open to Millisecond.
In order to achieve the above objectives, the technical solution adopted in the utility model 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 utility model refers to the inflow direction of medium, otherwise after being.Valve body, guide rod, straight line is specifically included to lead
Rail, valve seat, spool, radome fairing, guide cylinder, for push guide rod move forward driving device, for push guide rod to
The spring moved afterwards and the clamping device for holding guide rod tightly, the valve body include inner valve body and outer valve, the inner valve body
Medium runner is formed between outer valve, the radome fairing is mounted on the end of inner valve body front end, and the valve seat is mounted on outer valve
On, valve seat is located 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 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 and valve base chamber have sealing to tie
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 not 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 connection, 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, linear guide includes horizontally disposed support rod, and support rod one end installation on the inner body, is propped up
The strut other end is mounted on valve seat, and the support rod is circumferentially-spaced to be equipped at least two；The spool is equipped with and support rod
The axle sleeve of adaptation.
Preferably, axle sleeve is anti-wear sleeve.
Compared with prior art, the utility model has the following beneficial effects:
1. the utility model uses axial-flow type bypass structure, reducing fast-open type flow field change influences, and it is steady to increase valve opening and closing
It is qualitative；Valve opening and closing process are decomposed, closing is completed by Conventional mechanisms, and unlatching is completed by special construction, being capable of millisecond
It opens on grade ground；Moreover, transmission device is failure to actuate during valve opening, solve the buffer problem and piston ring of transmission device
The friction problem of circumferential seal circle；
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.
Detailed description of the invention
Fig. 1 is structural schematic diagram when the utility model is closed；
Fig. 2 is structural schematic diagram when the utility model is opened；
In figure: 1- bearing, 2- guide rod, 3- linear guide, 4- valve seat, 5- spool, 6- axle sleeve, 7- rear valve body, 8- sealing
Valve body, 10- clamping device, 11- spring, 12- front valve shell, 13- radome fairing, 14- driving device, 15- guide cylinder in circle, 9-.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
As shown in Figure 1, 2, heavy caliber quick-acting valve disclosed by the utility model, including valve body, guide rod 2, straight line are led
Rail 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, valve body include inner valve body and outer valve
Body forms medium runner between inner 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
On valve body, 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.
Linear guide 3 is mounted in valve body, and spool 5 is supported by horizontally disposed linear guide 3, spool 5 and 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 spool 5 among spool 5 and is 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 in guide cylinder 15, can not also be 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 moment to unclamp movement portion when valve needs to open
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 utility model utilizes the inverse piezoelectric effect of piezo-electric crystal, and piezoelectric crystal material is deformed valve motion when energization
Part clamps, and deforms and disappears after power loss, unclamps 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.Linear guide 3 includes horizontally disposed support rod, support rod
One end is mounted on the internal layer of middle valve body 9, and the support rod other end is mounted on valve seat 4, and support rod is circumferentially-spaced to be equipped at least two
Root；Spool 5 is equipped with the axle sleeve 6 being adapted to support rod, and support rod passes through axle sleeve, and axle sleeve 6 is anti-wear sleeve.
Working principle of the utility model is: by taking driving device 14 is using cylinder as an example.
(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
It moves downward band movable valve plug 5 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 and valve seat 4 seal, front end
Sealing ring 8 and middle 9 internal layer of valve body on sealing surface seal, medium stream is truncated, the pressure sensor being installed on pipeline
Feedback signal is to clamping device, and clamping device 10 holds guide rod 2 tightly at this time, and the piston rod of cylinder retracts, and valve completes entire close
Movement is closed, is full off state.
(2), valve opening
As shown in Fig. 2, system issues 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 utility model uses axial-flow type bypass structure, and reducing fast-open type flow field change influences, and increases valve opening and closing and stablizes
Property；Valve opening and closing process are decomposed, closing is completed by Conventional mechanisms, and unlatching is completed by special construction, being capable of Millisecond
It opens on ground；Moreover, transmission device is failure to actuate during valve opening, solve buffer problem and the piston ring week of transmission device
To the friction problem of sealing ring.
Certainly, the utility model can also have other numerous embodiments, without departing substantially from the spirit of the present invention and its essence
In the case where, those skilled in the art can make various corresponding changes and modifications, but these according to the utility model
Corresponding changes and modifications all should belong to the protection scope of the utility model the attached claims.
Claims (9)
1. a kind of heavy caliber quick-acting valve, it is characterised in that: including valve body, guide rod (2), 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) is mounted on outer valve, and 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 linear guide (3), spool
(5) it is slidably matched with 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 is sealing structure between the spool (5) and valve seat (4), has sealing structure between spool (5) and inner valve body；
Coaxially, the free end of the piston rod is mounted in or not mounted in guiding for the piston rod of the driving device (14) and guide cylinder (15)
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: the sealing between spool (5) and 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: close between spool (5) and 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, it is characterised in that: the valve body include 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, described
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 the internal layer of middle valve body (9)
Inner valve body is constituted, 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, the rectification
Cover (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: linear guide (3) is set including level
The support rod set, on the inner body, the support rod other end is mounted on valve seat (4), the support for support 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 support 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 |
|---|---|---|---|
| CN201820461860.9U CN208311487U (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 |
|---|---|---|---|
| CN201820461860.9U CN208311487U (en) | 2018-04-03 | 2018-04-03 | A kind of heavy caliber quick-acting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311487U true CN208311487U (en) | 2019-01-01 |
Family
ID=64718454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820461860.9U Active CN208311487U (en) | 2018-04-03 | 2018-04-03 | A kind of heavy caliber quick-acting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317260A (en) * | 2018-04-03 | 2018-07-24 | 成都乘风阀门有限责任公司 | A kind of heavy caliber quick-acting valve |
| CN110762241A (en) * | 2019-10-26 | 2020-02-07 | 五洲阀门股份有限公司 | Metal hard seal small-flow regulating plunger valve |
-
2018
- 2018-04-03 CN CN201820461860.9U patent/CN208311487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317260A (en) * | 2018-04-03 | 2018-07-24 | 成都乘风阀门有限责任公司 | A kind of heavy caliber quick-acting valve |
| CN110762241A (en) * | 2019-10-26 | 2020-02-07 | 五洲阀门股份有限公司 | Metal hard seal small-flow regulating plunger valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 611330 No. 6, Guanghua Road, Jinyuan Town, Dayi County, Chengdu, Sichuan Patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee after: Chengdu Chenggao Valve Co.,Ltd. Address before: 6 Guanghua Road, Jinyuan Town, Dayi County, Chengdu, Sichuan 610000 Patentee before: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |