CN207661192U - The automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided - Google Patents
The automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided Download PDFInfo
- Publication number
- CN207661192U CN207661192U CN201720709986.9U CN201720709986U CN207661192U CN 207661192 U CN207661192 U CN 207661192U CN 201720709986 U CN201720709986 U CN 201720709986U CN 207661192 U CN207661192 U CN 207661192U
- Authority
- CN
- China
- Prior art keywords
- valve
- bit triplet
- outlet
- import
- way valve
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The utility model belongs to automatic valve technical field; the automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided; including main pipeline, main valve, single-action pneumatic executor, two-bit triplet solenoid valve and two-bit triplet reversal valve; main valve is arranged on main pipeline, and single-action pneumatic executor is connect with main valve；Two-bit triplet solenoid valve includes the first import, first outlet and the first drain, first import is connect with power gas source, two-bit triplet reversal valve includes the second import, second outlet and the second drain, second import is connect with first outlet, the cavity connection of second outlet and single-action pneumatic executor；One of them is two-bit triplet solenoid valve to first, second two-position three-way valve, another is two-bit triplet reversal valve, and pressure transmitter and controller are provided in upstream line, and controller controls two-bit triplet electromagnetic valve work state according to pressure transmitter signal；The pressure cavity of two-bit triplet reversal valve is connect by communicating pipe with upstream line.
Description
Technical field
The utility model belongs to automatic valve technical field more particularly to a kind of can provide the super in pressure of duplicate protection
Cross the valve system driven by single-action pneumatic executor for automatically turning on or closing when setting value.
Background technology
In order to protect pressure pipeline, pressure vessel and the device and equipment of their upstream and downstream, it usually needs configuration is super
The valve system that can be automatically turned on or close under pressure operating mode.In previous practice, commonly using by pressure transmitter, control
The automatic valve system realization superpressure operating mode of system, two-bit triplet road solenoid valve, single-action pneumatic executor and main valve composition
Under automatic open close.
Pressure transmitter therein is used to detect the pressure in pressure pipeline or pressure vessel, and outputs signal to control
System, when pressure is more than setting value, control system can send out instruction change and be installed on single-action pneumatic executor supply air line
Solenoid valve power supply state, and then change solenoid valve gas channel state reach unlatching to make pneumatic actuator act
Or close the purpose of main valve.
The actuator wherein used is single-acting executor, such actuator is provided only with a gas chamber, is in addition also equipped with bullet
Spring, main valve acts under the difference effect between the thrust formed in power gas source and spring force.
It is a kind of two-bit triplet road change-over valve with the solenoid valve that single-action pneumatic executor matches, such solenoid valve is logical
Often it is made of electromagnetic component and two-bit triplet road valve body.Electromagnetic component is made of components such as electromagnetic coil and magnetic cores, valve
Ontology is made of components such as spool, valve body and springs.Two refer to that there are two operating positions relative to valve body for spool.Work as electromagnetic wire
When circle is powered or powers off, the collective effect of electromagnetic force and spring force will be such that spool is acted from an operating position to another work
Make position, and then change the channel inside solenoid valve, reaches the mesh that control power gas source is passed in and out pneumatic actuator by required channel
's.
It is common using pressure transmitter, control system, two-bit triplet road solenoid valve, single-action pneumatic executor and main valve
Realize superpressure when valve automatic open close main potential risk be, if pressure transmitter failure or pressure transmitter with
Signal transmission failure or the power supply of solenoid valve between control system go wrong, it is possible to pressure occur and already exceed to set
Constant-pressure, pneumatic actuator do not make the situation that main valve acts as scheduled but, give pressure pipeline, pressure vessel and their upstream and downstream
Device threatened with equipment belt.Therefore, the reliability of the automatic valve system how is improved, it is ensured that main valve can when superpressure
Action is always the direction that industry is made great efforts as scheduled.
Utility model content
To solve the not high defect of automatic valve system reliability of the existing technology, the utility model provides one kind can
The automatic valve system of the single-action pneumatic executor driving of duplicate protection is provided.
In order to solve the above technical problems, technical solution used by the utility model is：A kind of duplicate protection of providing
Single-action pneumatic executor driving automatic valve system, including main pipeline, main valve, single-action pneumatic executor, first liang
Position three-way valve and the second two-position three-way valve, main valve setting are divided on the main pipeline, and by the main pipeline
Upstream line and downstream line, the single-action pneumatic executor are connect with the main valve, for controlling the main valve
Keying；
First two-position three-way valve includes the first import, first outlet and the first drain, first import with it is dynamic
Strength source connect, second two-position three-way valve include the second import, second outlet and the second drain, second import with
The first outlet connection, the second outlet are connect with the cavity of the single-action pneumatic executor；Described the first two
One of them is two-bit triplet solenoid valve for triple valve and the second two-position three-way valve, another is two-bit triplet reversal valve, described
Pressure transmitter and controller are provided in upstream line, the pressure transmitter is used to detect the pressure in the upstream line
Power, the controller control the work shape of the two-bit triplet solenoid valve according to the pressure value that the pressure transmitter detects
State；The pressure cavity of the two-bit triplet reversal valve is connect by communicating pipe with the upstream line.
Further, first two-position three-way valve is two-bit triplet solenoid valve, and second two-position three-way valve is two
Position three-way diverter valve.
As the replacement of above-mentioned technical proposal, first two-position three-way valve be two-bit triplet reversal valve, described second
Two-position three-way valve is two-bit triplet solenoid valve.Two-bit triplet reversal valve and amount are that three-way magnetic valve position can be interchanged, and are reached
Effect is identical.
Further, when the first two-position three-way valve is in working position for the moment, first import is connected to first outlet, institute
State first outlet and the first drain relative closure, when the first two-position three-way valve is in working position two, first import with
First outlet relative closure, the first outlet are connected to the first drain；When the second two-position three-way valve be in working position for the moment,
Second import is connected to second outlet, the second outlet and the second drain relative closure, when the second two-position three-way valve
When in working position two, second import and second outlet relative closure, the second outlet are connected to the second drain
Preferably, the two-bit triplet reversal valve is strut buckling triggering type reversal valve.
Further, the strut buckling triggering type reversal valve includes core assembly, reversing cylinder, bar cage, cylinder and thin
Stock, the core assembly are arranged in the reversing cylinder, and the bar cage and cylinder are separately positioned on the both ends of the reversing cylinder,
Valve deck is provided between the bar cage and the reversing cylinder, described core assembly one end passes through the valve deck and extends to the bar
In cage, the elongate rod support is arranged between the bar cage and core assembly, and the core assembly other end is provided with piston
Head, the piston head are located in the cylinder, and the cavity of the cylinder forms the pressure chamber of the two-bit triplet reversal valve, described
Communicating pipe, one end was connected to the cavity of the cylinder.When pressure transmitter, controller, two-bit triplet electromagnetism defective valve or signal pass
When defeated failure, two-bit triplet solenoid valve will not change working condition with the pressure change of medium in upstream line, two-bit triplet
Solenoid valve is in working position one, and power gas source is directly conducted to two-bit triplet reversal valve (with the first two-position three-way valve for two three
Three-way electromagnetic valve, the second two-position three-way valve is for two-bit triplet reversal valve), the valve action of two-bit triplet commutation at this time is as follows：When even
When the pressure (i.e. the pressure of medium in upstream line) of medium is less than set-pressure in siphunculus, medium passes through piston head and spool group
Part is transferred to critical load of the power less than elongate rod of elongate rod, and elongate rod is stablized, and the axial thrust of elongate rod makes core assembly
In operating position one, power gas source enters single-action pneumatic executor, and main valve is closed；When medium in communicating pipe
Pressure (i.e. the pressure of medium in upstream line) be higher than set-pressure when, medium is transferred to carefully by piston head and core assembly
The power of stock is higher than the critical load of elongate rod, and elongate rod unstability simultaneously loses bearing capacity, and core assembly is pushed away pressure medium
Operating position two is moved under dynamic, power gas source channel is switched, and will not be entered single-action pneumatic executor and be made its action, single
Gas is vented in action pneumatic executor, and single-action pneumatic executor action drives main valve to open, upstream line and downstream tube
Road is connected to.
As above-mentioned technical proposal another kind replace, the strut buckling triggering type reversal valve include core assembly,
Reversing cylinder, diaphragm, bar cage and elongate rod, described reversing cylinder one end are provided with membrane cavity, and the bar cage, the film is arranged in the other end
Piece is arranged in the membrane cavity, and membrane cavity is divided into two parts of relative closure；The core assembly is arranged in the commutation
In cylinder, one end is resisted against on the diaphragm, and the other end extends in the bar cage, and elongate rod support is arranged described
Between core assembly and bar cage, part of the membrane cavity far from the core assembly forms the pressure of the two-bit triplet reversal valve
Chamber, described communicating pipe one end are connected to part of the membrane cavity far from the core assembly.Its action principle and said program
Similar, difference lies in the pressure of medium is transferred to elongate rod, core assembly work by diaphragm and core assembly in upstream line
Principle is identical as above-mentioned technical proposal.
Advantageous effect：Two-bit triplet solenoid valve system is arranged in parallel in the application on main pipeline and two-bit triplet reversal valve comes
Independent triggers automatic valve system acting, even if two-bit triplet solenoid valve, pressure transmitter in two-bit triplet solenoid valve system,
Control system or information transmission failure between it, two-bit triplet reversal valve can also trigger automatic valve system acting, as entire
The second of pressure system offer is protected again so that automatic valve system is relatively reliable.
Description of the drawings
Fig. 1 is that two-bit triplet solenoid valve is in working position one, and two-bit triplet reversal valve is in working position one, automatic valve system
System closed state structural schematic diagram, the first two-position three-way valve are two-bit triplet solenoid valve, and the second two-position three-way valve is two-bit triplet
Reversal valve；
Fig. 2 is that two-bit triplet solenoid valve is in working position two, and two-bit triplet reversal valve is in working position one, automatic valve system
System opening state structural schematic diagram, the first two-position three-way valve are two-bit triplet solenoid valve, and the second two-position three-way valve is two-bit triplet
Reversal valve；
Fig. 3 is that two-bit triplet solenoid valve is in working position one, and two-bit triplet reversal valve is in working position two, automatic valve system
System open state structural schematic diagram, the first two-position three-way valve are two-bit triplet solenoid valve, and the second two-position three-way valve is two-bit triplet
Reversal valve；
Fig. 4 is that two-bit triplet reversal valve is in operating position a period of time structural schematic diagram in embodiment 1；
Fig. 5 is structural schematic diagram when two-bit triplet reversal valve is in operating position two in embodiment 1；
Fig. 6 is that two-bit triplet reversal valve is in operating position a period of time structural schematic diagram in embodiment 2；
Fig. 7 is structural schematic diagram when two-bit triplet reversal valve is in operating position two in embodiment 2；
Fig. 8 is that two-bit triplet solenoid valve is in working position one, and two-bit triplet reversal valve is in working position one, automatic valve system
System closed state structural schematic diagram, wherein the first two-position three-way valve is two-bit triplet reversal valve, the second two-position three-way valve is two
Three-way magnetic valve；
Fig. 9 is that two-bit triplet solenoid valve is in working position two, and two-bit triplet reversal valve is in working position one, automatic valve system
System opening state structural schematic diagram, wherein the first two-position three-way valve is two-bit triplet reversal valve, the second two-position three-way valve is two
Three-way magnetic valve；
Figure 10 is that two-bit triplet solenoid valve is in working position one, and two-bit triplet reversal valve is in working position two, automatic valve
System open state structural schematic diagram, wherein the first two-position three-way valve is two-bit triplet reversal valve, the second two-position three-way valve is two
Position-3-way solenoid valve.
1. upstream in figure, 2. downstream pipes, 3. single-action pneumatic executors, 4. main valves, 5. two-bit triplet electromagnetism
Valve, 51. solenoid valve imports, 52. electromagnetic valve outlets, 53. solenoid valve drains, 6. two-bit triplet reversal valves, 601. reversal valves into
Mouthful, 602. diverter valve outlets, 603. reversal valve drains, 61. reversing cylinders, 62. core assemblies, 63. elongate rods, 64. bar cages,
65. membrane cavity, 66. diaphragms, 67. cylinders, 68. piston heads, 69. valve decks, 7. communicating pipes, 8. power gas sources, 9. pressure transmitters,
91. controller.
Specific implementation mode
Embodiment 1
As shown in Figures 1 to 3, a kind of automatic valve system for the single-action pneumatic executor driving that duplicate protection is provided,
Including main pipeline, main valve 4, single-action pneumatic executor 3, the first two-position three-way valve and the second two-position three-way valve, the master
The setting of valve 4 is divided into upstream line 1 and downstream line 2, the single-acting on the main pipeline, and by the main pipeline
Pneumatic actuator 3 is connect with the main valve 4, the keying for controlling the main valve 4；
As shown in Fig. 1~5, first two-position three-way valve includes the first import, first outlet and the first drain, described
First import is connect with power gas source 8, and second two-position three-way valve includes the second import, second outlet and the second drain,
Second import is connect with the first outlet, and the second outlet and the cavity of the single-action pneumatic executor 3 connect
It connects；When the first two-position three-way valve is in working position for the moment, first import is connected to first outlet, the first outlet and the
One drain relative closure, when the first two-position three-way valve is in working position two, first import is opposite with first outlet to seal
It closes, the first outlet is connected to the first drain；When the second two-position three-way valve be in working position for the moment, second import with
Second outlet is connected to, the second outlet and the second drain relative closure, when the second two-position three-way valve 6 is in working position two
When, second import and second outlet relative closure, the second outlet are connected to the second drain.
Wherein the first two-position three-way valve is two-bit triplet solenoid valve 5, and the second two-position three-way valve is two-bit triplet reversal valve 6
(two-position three-way valve being directly connected to import and power gas source 8 for the first two-position three-way valve, wherein the first import be solenoid valve into
Mouth 51, first outlet are electromagnetic valve outlet 52, and the first drain is solenoid valve drain 53, and the second import is reversal valve import
601, second outlet is diverter valve outlet 602, and the second drain is reversal valve drain 603), it sets in the upstream line 1
It is equipped with pressure transmitter 9 and controller 91, the pressure transmitter 9 is used to detect the pressure in the upstream line 1, the control
Device 91 processed controls the working condition of the two-bit triplet solenoid valve 5 according to the pressure value that the pressure transmitter 9 detects；It is described
The pressure cavity of two-bit triplet reversal valve 6 is connect by communicating pipe 7 with the upstream line 1.
The two-bit triplet reversal valve 6 is strut buckling triggering type reversal valve.Specifically, as shown in Figures 4 and 5, described
Strut buckling triggering type reversal valve include core assembly 62, reversing cylinder 61, bar cage 64, cylinder 67 and elongate rod 63, the valve
Core assembly 62 is arranged in the reversing cylinder 61, and the bar cage 64 and cylinder 67 are separately positioned on the both ends of the reversing cylinder 61,
Valve deck 69 is provided between the bar cage 64 and the reversing cylinder 61,62 one end of the core assembly passes through the valve deck 69 and prolongs
It extends in the bar cage 64, the support of the elongate rod 63 is arranged between the bar cage 64 and core assembly 62, the spool group
62 other end of part is provided with piston head 68, and the piston head 68 is located in the cylinder 67, and the cavity of the cylinder 67 forms institute
The pressure chamber of two-bit triplet reversal valve 6 is stated, the communicating pipe, 7 one end was connected to the cavity of the cylinder 67.
Operation principle：Pressure transmitter 9 detects pressure in upstream line 1, and transmits signals to controller 91, works as inspection
When the pressure measured is less than predetermined value, controller 91 does not change the working condition of two-bit triplet solenoid valve 5, two-bit triplet solenoid valve
5 and two-bit triplet reversal valve 6 be in working position one, power gas source 8 is directly conducted in 3 cavity of single-action pneumatic executor,
Under the action of power gas source 8, single-action pneumatic executor 3 is failure to actuate, and main valve 4 is closed, as shown in Figure 1；Such as
Shown in Fig. 2, when the pressure detected is more than predetermined value, controller 91 sends out the power supply that instruction changes two-bit triplet solenoid valve 5
State, and then its working position one is made to be converted into working position two, two-bit triplet reversal valve 6 keeps working position one, and single-acting is pneumatically held
Gas in 3 cavity of row device pass sequentially through the second outlet of the second two-position three-way valve, the second import, the first two-position three-way valve
One outlet and the first drain are simultaneously vented, and single-action pneumatic executor 3 drives main valve 4 to act, and then opens main valve 4, on
Play pipe road 1 is connected to downstream line 2；After 1 pressure of upstream reduces, controller 91 controls the confession of two-bit triplet solenoid valve 5
Electricity condition makes it be converted into working position one by working position two, and power gas source is by the first import, first outlet, the second import and
Two outlets are conducted in the cavity in single-action pneumatic executor 3, and single-action pneumatic executor 3 drives main valve 4 to reset, and are such as schemed
Shown in 1.Gas is in emptying state and just opens main valve in the cavity of single-action pneumatic executor 3, in this way when power gas source goes out
When existing supply problem so that upstream 1 and downstream pipe 2 are connected, and 1 pressure transient of upstream is avoided production thing occur
Therefore.It can certainly be set as the gas in the cavity of single-action pneumatic executor 3 according to practical condition and be in emptying shape
Main valve is closed when state.
When pressure transmitter 9, controller 91, the failure of two-bit triplet solenoid valve 5 or signal transmission fail, two-bit triplet electricity
Magnet valve 5 will not change working condition with the pressure change of medium in upstream 1, as shown in figs. 1 and 3, two-bit triplet electromagnetism
Valve 5 is in working position one, and power gas source 8 is directly conducted to two-bit triplet reversal valve 6, can be by two-bit triplet reversal valve 6 come real
The action of existing main valve 4, it is specific as follows：As shown in figure 4, within the communicating pipe 7 medium pressure (medium i.e. in upstream line 1
Pressure) be less than set-pressure when, medium by piston head 68 and core assembly 62 be transferred to elongate rod 63 power be less than elongate rod
63 critical load, elongate rod 63 are stablized, and the axial thrust of elongate rod 63 makes core assembly 62 be in operating position one, second into
Mouth and second outlet conducting, i.e. second outlet are connected with power gas source 8, and power gas source power enters single-action pneumatic executor 3,
Main valve 4 is closed, as shown in Figure 1；As shown in figure 5, when the pressure of medium in communicating pipe 7 (is situated between in upstream line 1
The pressure of matter) when being higher than set-pressure, medium is transferred to the power of elongate rod 63 higher than thin by piston head 68 and core assembly 62
The critical load of stock 63,63 unstability of elongate rod simultaneously lose bearing capacity, and core assembly 62 moves under the promotion of pressure medium
To operating position two, power gas source channel is switched, i.e., the second import and second outlet are not turned on, and power gas source 8 will not enter
Single-action pneumatic executor 3, and the gas in 3 cavity of single-action pneumatic executor is put by second outlet and the second drain
Sky, the action of single-action pneumatic executor 3 drive main valve 4 to open, and upstream line 1 is connected to downstream line 2, as shown in Figure 3.Its
Middle two-bit triplet reversal valve 6 is purely mechanic mechanism, realizes 91 three of pressure transmitter 9, two-bit triplet solenoid valve 5 and controller
Function, can independent triggers automatic valve system acting, as double protection.
Embodiment 2
As shown in Figures 6 and 7, the strut buckling triggering type reversal valve in embodiment 1 is replaced with such as lower structure, including spool
Component 62, reversing cylinder 61, diaphragm 66, bar cage 64 and elongate rod 63, described 61 one end of reversing cylinder are provided with membrane cavity 65, the other end
The bar cage 64 is set, and the diaphragm 66 is arranged in the membrane cavity 65, and membrane cavity 65 is divided into two parts of relative closure；
The core assembly 62 is arranged in the reversing cylinder 61, and one end is resisted against on the diaphragm 66, and the other end extends to described
In bar cage 64, the elongate rod 63 support is arranged between the core assembly 62 and bar cage 64, and the membrane cavity 65 is far from institute
The part for stating core assembly 62 forms the pressure chamber of the two-bit triplet reversal valve 6, described 7 one end of communicating pipe and the membrane cavity
The 65 part connections far from the core assembly 62.Other structures are the same as embodiment 1.Its action principle is similar with said program, area
It is not, the pressure of medium is transferred to elongate rod 63,62 work of core assembly by diaphragm 66 and core assembly 62 in upstream line 1
It is identical as above-mentioned technical proposal to make principle.
Embodiment 3
As shown in figs. 8-10, it is two-bit triplet reversal valve difference lies in, the first two-position three-way valve with embodiment 1, second liang
Position three-way valve is that (two-position three-way valve being directly connected to import and power gas source 8 is the first two-bit triplet to two-bit triplet solenoid valve
Valve, wherein the first import is reversal valve import 601, first outlet is diverter valve outlet 602, and the first drain is vented for reversal valve
Mouth 603, the second import are solenoid valve import 51, and second outlet is electromagnetic valve outlet 52, and the second drain is solenoid valve drain
53), other structures and operation principle are same as Example 1.
Embodiment 4
Difference lies in replace with two-bit triplet in embodiment 2 by its 6 structure of two-bit triplet reversal valve and commutate with embodiment 3
6 structure of valve, other structures and operation principle are same as Example 3.
Claims (7)
1. a kind of automatic valve system for the single-action pneumatic executor driving providing duplicate protection, it is characterised in that：Including
Main pipeline, main valve (4), single-action pneumatic executor (3), the first two-position three-way valve and the second two-position three-way valve, the master
Valve (4) setting is divided into upstream line (1) and downstream line (2) on the main pipeline, and by the main pipeline, described
Single-action pneumatic executor (3) is connect with the main valve (4), the keying for controlling the main valve (4)；
First two-position three-way valve includes the first import, first outlet and the first drain, first import and power gas
Source (8) connect, second two-position three-way valve include the second import, second outlet and the second drain, second import with
The first outlet connection, the second outlet are connect with the cavity of the single-action pneumatic executor (3)；Described first liang
One of them is two-bit triplet solenoid valve (5) for position three-way valve and the second two-position three-way valve, another is two-bit triplet reversal valve
(6), pressure transmitter (9) and controller (91) are provided in the upstream line (1), the pressure transmitter (9) is used for
Detect the pressure in the upstream line (1), the pressure value that the controller (91) detects according to the pressure transmitter (9)
Control the working condition of the two-bit triplet solenoid valve (5)；The pressure cavity of the two-bit triplet reversal valve (6) passes through communicating pipe
(7) it is connect with the upstream line (1).
2. the automatic valve system of the single-action pneumatic executor driving according to claim 1 that duplicate protection is provided,
It is characterized in that：First two-position three-way valve is two-bit triplet solenoid valve (5), and second two-position three-way valve is two three
Logical reversal valve (6).
3. the automatic valve system of the single-action pneumatic executor driving according to claim 1 that duplicate protection is provided,
It is characterized in that：First two-position three-way valve is two-bit triplet reversal valve (6), and second two-position three-way valve is two three
Three-way electromagnetic valve (5).
4. the automatic valve system of the single-action pneumatic executor driving according to claim 2 or 3 for providing duplicate protection
System, it is characterised in that：When the first two-position three-way valve is in working position for the moment, first import is connected to first outlet, described
First outlet and the first drain relative closure, when the first two-position three-way valve be in working position two, first import and the
One outlet relative closure, the first outlet are connected to the first drain；When the second two-position three-way valve is in working position a period of time, institute
It states the second import to be connected to second outlet, the second outlet and the second drain relative closure, at the second two-position three-way valve
When working position two, second import and second outlet relative closure, the second outlet are connected to the second drain.
5. the automatic valve system of the single-action pneumatic executor driving according to claim 2 or 3 for providing duplicate protection
System, it is characterised in that：The two-bit triplet reversal valve (6) is strut buckling triggering type reversal valve.
6. the automatic valve system of the single-action pneumatic executor driving according to claim 5 that duplicate protection is provided,
It is characterized in that：The strut buckling triggering type reversal valve includes core assembly (62), reversing cylinder (61), bar cage (64), gas
Cylinder (67) and elongate rod (63), core assembly (62) setting is in the reversing cylinder (61), the bar cage (64) and cylinder
(67) both ends of the reversing cylinder (61) are separately positioned on, valve deck is provided between the bar cage (64) and the reversing cylinder (61)
(69), described core assembly (62) one end passes through the valve deck (69) and extends in the bar cage (64), the elongate rod
(63) support is arranged between the bar cage (64) and core assembly (62), and core assembly (62) other end is provided with piston
Head (68), the piston head (68) are located in the cylinder (67), and the cavity of the cylinder (67) forms the two-bit triplet and changes
To the pressure chamber of valve (6), described communicating pipe (7) one end is connected to the cavity of the cylinder (67).
7. the automatic valve system of the single-action pneumatic executor driving according to claim 5 that duplicate protection is provided,
It is characterized in that：The strut buckling triggering type reversal valve includes core assembly (62), reversing cylinder (61), diaphragm (66), bar
Cage (64) and elongate rod (63), the reversing cylinder (61) one end are provided with membrane cavity (65), and the bar cage (64) is arranged in the other end,
Diaphragm (66) setting is interior in the membrane cavity (65), and membrane cavity (65) is divided into two parts of relative closure；The spool
Component (62) setting is in the reversing cylinder (61), and one end is resisted against on the diaphragm (66), and the other end extends to the bar
In cage (64), the elongate rod (63) support is arranged between the core assembly (62) and bar cage (64), the membrane cavity
(65) part far from the core assembly (62) forms the pressure chamber of the two-bit triplet reversal valve (6), the communicating pipe
(7) one end is connected to part of the membrane cavity (65) far from the core assembly (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709986.9U CN207661192U (en) | 2017-06-16 | 2017-06-16 | The automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709986.9U CN207661192U (en) | 2017-06-16 | 2017-06-16 | The automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661192U true CN207661192U (en) | 2018-07-27 |
Family
ID=62935407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720709986.9U Withdrawn - After Issue CN207661192U (en) | 2017-06-16 | 2017-06-16 | The automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661192U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084275A (en) * | 2017-06-16 | 2017-08-22 | 江苏瑞朗博机械设备有限公司 | The automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided |
| RU2718945C1 (en) * | 2018-08-03 | 2020-04-15 | Цзянсу Релайбл Меканикал Эквипмент Ко., Лтд | System of valves with insulating device |
| CN112357045A (en) * | 2020-11-23 | 2021-02-12 | 上海外高桥造船有限公司 | Pneumatic single-action driving head closed gas circuit device |
-
2017
- 2017-06-16 CN CN201720709986.9U patent/CN207661192U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084275A (en) * | 2017-06-16 | 2017-08-22 | 江苏瑞朗博机械设备有限公司 | The automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided |
| RU2718945C1 (en) * | 2018-08-03 | 2020-04-15 | Цзянсу Релайбл Меканикал Эквипмент Ко., Лтд | System of valves with insulating device |
| CN112357045A (en) * | 2020-11-23 | 2021-02-12 | 上海外高桥造船有限公司 | Pneumatic single-action driving head closed gas circuit device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207661192U (en) | The automatic valve system of the single-action pneumatic executor driving of duplicate protection can be provided | |
| CN107084275B (en) | It can provide the automatic valve system of the single-action pneumatic executor driving of duplicate protection | |
| CN207661179U (en) | The automatic valve system of the double acting pneumatic actuator driving of duplicate protection can be provided | |
| CN101539218A (en) | Control module of high-pressure bypass pressure and temperature reducing valve actuating mechanism | |
| CN105003715A (en) | Brake valve electro-hydraulic drive system with emergency shut valve function and brake valve | |
| CN105546162B (en) | A kind of Combined digital valve and its method of load port independent control | |
| WO2021169175A1 (en) | Oilway structure for achieving precise control of double-acting cylinder | |
| CN111498087A (en) | Electro-hydraulic servo actuator | |
| CN107035904B (en) | It can provide the automatic valve system of the double acting pneumatic actuator driving of duplicate protection | |
| CN211852969U (en) | Cone valve type electromagnetic reversing valve | |
| CN202100748U (en) | Large-diameter sleeve piston hydraulic adjusting valve | |
| CN106907518A (en) | Formula executing agency is established in the pneumatic reset of double acting by cable | |
| CN214838782U (en) | Electro-hydraulic actuator capable of detecting and replacing electromagnetic valve on line | |
| CN108533823B (en) | Hydraulic control ball valve system and control method | |
| CN210599606U (en) | Full-functional intelligent electro-hydraulic linkage control system | |
| CN214221267U (en) | Steam turbine valve control device based on electro-hydraulic proportional control technology | |
| CN201650911U (en) | Two-position three-way pneumatic reversing valve | |
| CN202173854U (en) | Pulse valve | |
| CN219242769U (en) | Control mechanism for redundant design of double solenoid valves of valve | |
| CN201014038Y (en) | Automatic control combined valve | |
| CN217463404U (en) | Double-acting adjusting pneumatic valve control loop | |
| CN103939649B (en) | Self-operated type stop valve | |
| CN107606288A (en) | The automatic valve system of the performs device driving of duplicate protection can be provided | |
| CN204739028U (en) | Take actuating mechanism's of brake valve controlling means | |
| CN207080604U (en) | One kind seals noiseless magnetic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180727 Effective date of abandoning: 20190125 |
|
| AV01 | Patent right actively abandoned |