CN106907366A - Gas valve, pressure-reducing valve and proportioning machine - Google Patents
Gas valve, pressure-reducing valve and proportioning machine Download PDFInfo
- Publication number
- CN106907366A CN106907366A CN201710024934.2A CN201710024934A CN106907366A CN 106907366 A CN106907366 A CN 106907366A CN 201710024934 A CN201710024934 A CN 201710024934A CN 106907366 A CN106907366 A CN 106907366A
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- China
- Prior art keywords
- filtered fluid
- gas
- valve
- receiving portion
- pressure
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/025—Pressure reducing valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/08—Means for controlling the separation process
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Control Of Fluid Pressure (AREA)
- Details Of Valves (AREA)
Abstract
The invention provides a kind of gas valve, pressure-reducing valve and proportioning machine.The gas includes valve body with valve, and control gas circuit is formed with valve body, and the air inlet and gas outlet being connected with control gas circuit respectively are offered on valve body.Gas valve also includes liquid filter element, and liquid filter element is arranged in control gas circuit, and between air inlet and gas outlet.There is filtered fluid in liquid filter element, filtered fluid is used to filter the gas for passing through gas outlet from air inlet in control gas circuit.By the liquid filter element set on gas valve, can be filtered to entering into the gas in control gas circuit, prevent the use of the impurity effect gas valves such as little particle impurity, oil, dirt in gas or pressure-reducing valve.
Description
Technical field
The present invention relates to stream control technology field, in particular to a kind of gas valve, pressure-reducing valve and proportioning machine.
Background technology
Gas valve is the control element commonly used in gas circuit control field, by taking VRV as an example.VRV is one
The output pneumatic element of step-down and voltage stabilizing is planted, its principle is to carry out flow restriction control by high vacuum, to ensure the low of output end
Vacuum pressure stabilization.
Above-mentioned VRV is in the gas delivery system for having the impurity such as oil, dirt（Such as proportioning machine）In when using, often
Screen pack can be installed in the system of outlet.But during prolonged use, still occurring has fine particle to block pressure-reducing valve
The phenomenon of passage, so can seriously reduce the service life of pressure-reducing valve and the precision of regulation air pressure, even more so that pressure-reducing valve
Lose decompression.
The content of the invention
It is a primary object of the present invention to provide a kind of gas valve, pressure-reducing valve and proportioning machine, to solve in the prior art
There is the problem for using of little particle impurity effect gas valve or pressure-reducing valve.
To achieve these goals, according to an aspect of the invention, there is provided a kind of gas valve, including valve body, valve body
Control gas circuit is inside formed with, the air inlet and gas outlet being connected with control gas circuit respectively are offered on valve body, gas valve is also wrapped
Liquid filter element is included, liquid filter element is arranged in control gas circuit, and between air inlet and gas outlet, liquid filtering
There is filtered fluid in part, filtered fluid is used to filter the gas for passing through gas outlet from air inlet in control gas circuit.
Further, liquid filter element includes filtered fluid receiving portion, and filtering is partially filled with filtered fluid receiving portion
Liquid, air inlet is connected with the part filled with filtered fluid in filtered fluid receiving portion, controls the portion being connected with gas outlet of gas circuit
Divide and connected with the part for not having filtered fluid in filtered fluid receiving portion.
Further, liquid filter element includes mozzle, and one end of mozzle is connected with air inlet, mozzle it is another
Part filled with filtered fluid in one end insertion filtered fluid receiving portion.
Further, gas valve also includes valve seat, and valve seat is arranged in filtered fluid receiving portion, outlet is formed on valve seat and is led to
Road, one end of outlet passageway connects with the part for not having filtered fluid in filtered fluid receiving portion, the other end and the control of outlet passageway
The part being connected with the gas outlet connection of gas circuit.
Further, the pod apertures being connected with outlet passageway are offered on valve seat, pod apertures are located at filtered fluid receiving portion
In the interior part without filtered fluid.
Further, the inlet and liquid outlet being connected with inside it are offered in filtered fluid receiving portion.
Further, liquid filter element also includes the water intaking valve being arranged on inlet and is arranged on going out on liquid outlet
Water valve.
Further, liquid filter element also includes pressure detector, and pressure detector is arranged in filtered fluid receiving portion,
Pressure detector is used to detect the pressure in filtered fluid receiving portion.
Further, the bottom of filtered fluid receiving portion offers the slag-drip opening being connected with inside it, liquid filter element
Also include being arranged on deslagging switch on slag-drip opening.
Further, the bottom surface of the inside of filtered fluid receiving portion forms the infundibulate collection top of the slag, and slag-drip opening is located at the collection top of the slag
Minimum point.
Further, deslagging switch includes screw-type plunger member, is connected by screw thread between slag-drip opening and screw-type plunger member
Connect.
To achieve these goals, according to an aspect of the invention, there is provided a kind of pressure-reducing valve, pressure-reducing valve is above-mentioned
Gas valve, pressure-reducing valve also includes decompression member, and decompression member is arranged on valve body, for control gas circuit.
Further, liquid filter element includes the filtered fluid receiving portion of sealing, is partially filled with filtered fluid receiving portion
There is filtered fluid, air inlet is connected with the part filled with filtered fluid in filtered fluid receiving portion, in gas outlet and filtered fluid receiving portion
The part for not having filtered fluid connects, and the bottom of filtered fluid receiving portion offers the slag-drip opening being connected with inside it, liquid filtering
Part also includes being arranged on deslagging switch on slag-drip opening, and deslagging switch includes screw-type plunger member, slag-drip opening and screw-type plunger
Be connected through a screw thread between part, screw-type plunger member stretch into part in filtered fluid receiving portion also with the Stress control of decompression member
Part drive connection, screw-type plunger member is additionally operable to the operating pressure that driving pressure control piece adjusts decompression member.
According to another aspect of the present invention, there is provided a kind of proportioning machine, including pressure-reducing valve, pressure-reducing valve is above-mentioned decompression
Valve.
Apply the technical scheme of the present invention, the gas accessed in gas circuit with valve, by control gas circuit can achieve a butt joint into
The control of gas circuit.Gas in gas circuit can be entered into first in liquid filter element from air inlet along control gas circuit, by liquid mistake
The little particle impurity in gas is fallen in filtered fluid absorption in filter part, and then gas from liquid filter element exits into outlet
Mouth is then exhausted from into gas circuit.By the liquid filter element set on gas valve, can be to entering into the gas in control gas circuit
Filtered, prevent the impurity effects such as little particle impurity, oil, dirt in gas from controlling the use of gas circuit even gas valve.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The Figure of description for constituting a part of the invention is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In the accompanying drawings：
Fig. 1 shows the section view dimensional structure diagram of the embodiment of pressure-reducing valve of the invention；
Fig. 2 shows the main structure diagram of the pressure-reducing valve of Fig. 1；
Fig. 3 shows the cross section structure diagram at another visual angle of the pressure-reducing valve of Fig. 1；
Fig. 4 shows the mplifying structure schematic diagram at the slag-drip opening after the lower screw-type plunger member of the pressure-reducing valve dismounting of Fig. 2.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, valve body；11st, air inlet；12nd, gas outlet；20th, liquid filter element；21st, filtered fluid receiving portion；211st, slag-drip opening；
22nd, mozzle；23rd, water intaking valve；24th, outlet valve；25th, pressure detector；26th, deslagging switch；261st, screw-type plunger member；262、
Protective cover；30th, valve seat；31st, outlet passageway；32nd, pod apertures；40th, decompression member；41st, pressure control means；50th, drive connection group
Part；51st, spring mounting seat；52nd, spring.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Term can exchange in the appropriate case, so as to embodiments of the invention described herein.Additionally, term " including " and " tool
Have " and their any deformation, it is intended that covering is non-exclusive to be included, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for these processes, method, product or other intrinsic steps of equipment or unit.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
Be also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step for otherwise illustrating in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In all examples shown here and discussion, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once be defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
Figures 1 and 2 show that the embodiment of gas valve of the invention, gas valve includes being formed in valve body 10, valve body 10
There is control gas circuit, the air inlet 11 and gas outlet 12 being connected with control gas circuit respectively are offered on valve body 10.Gas valve is also wrapped
Liquid filter element 20 is included, liquid filter element 20 is arranged in control gas circuit, and between air inlet 11 and gas outlet 12.
There is filtered fluid in liquid filter element 20, filtered fluid is used to filter in control gas circuit from air inlet 11 by gas outlet 12
Gas.
When using, the gas is accessed in gas circuit with valve, can be achieved a butt joint into the control of gas circuit by controlling gas circuit.Gas circuit
In gas can first from air inlet 11 along control gas circuit enter into liquid filter element 20, by liquid filter element 20
The little particle impurity in gas is fallen in filtered fluid absorption, and then gas from liquid filter element 20 exits into gas outlet 12 and arranges again
Go out into gas circuit.By the liquid filter element 20 set on gas valve, can be carried out to entering into the gas in control gas circuit
Filtering, prevents the impurity effects such as little particle impurity, oil, dirt in gas from controlling the use of gas circuit even gas valve.
As shown in Fig. 2 liquid filter element 20 includes being partially filled with filtered fluid receiving portion 21, filtered fluid receiving portion 21
There is filtered fluid.The part filled with filtered fluid connect in air inlet 11 and filtered fluid receiving portion 21, control gas circuit and gas outlet
12 parts being connected connect with the part for not having filtered fluid in filtered fluid receiving portion 21.The gas entered from air inlet 11 all can
Filtering in filtered fluid is introduced into, the part that the filtered fluid that then can just emerge does not have filtered fluid in filtered fluid receiving portion 21 leads to
To control gas circuit, then discharged from gas outlet 12.
Optionally, as shown in Fig. 2 in the present embodiment, liquid filter element 20 includes mozzle 22, the one of mozzle 22
End is connected with air inlet 11, the part filled with filtered fluid in the other end insertion filtered fluid receiving portion 21 of mozzle 22.When
After gas enters into air inlet 11, the part filled with filtered fluid in filtered fluid receiving portion 21 first can be introduced to by mozzle 22,
Filtered fluid is allowed fully to filter gas.Optionally, the depth in the other end insertion filtered fluid receiving portion 21 of mozzle 22
Deeper, filtered fluid can be better for the filter effect of gas.
As shown in Fig. 2 the gas of the present embodiment valve also includes valve seat 30, valve seat 30 is arranged in filtered fluid receiving portion 21.
Outlet passageway 31 is formed on valve seat 30, one end and the part without filtered fluid in filtered fluid receiving portion 21 of outlet passageway 31 connect
Logical, the other end of outlet passageway 31 is connected with gas outlet 12.Can be held from filtered fluid by the outlet passageway 31 on valve seat 30
Receive the gas drawn in portion 21 and filter, allow gas into in the part being connected with gas outlet 12 for controlling gas circuit.Such as
Shown in Fig. 2, the pod apertures 32 being connected with outlet passageway 31 are offered on valve seat 30, pod apertures 32 are located at filtered fluid receiving portion
Do not have in the part of filtered fluid in 21.Optionally, pod apertures 32 are the multiple apertures being opened on valve seat 30, and multiple apertures are in valve
It is uniform on seat 30, in order to derive the gas for having filtered.
As shown in Figures 2 and 3, the inlet that is connected with inside it is offered in filtered fluid receiving portion 21 and goes out liquid
Mouthful, can be to being supplemented in filtered fluid receiving portion 21 and discharging filtered fluid, to ensure to have gas by inlet and liquid outlet
Effect filtering.Liquid filter element 20 also includes the water intaking valve 23 being arranged on inlet and the outlet valve being arranged on liquid outlet
24, by the cooperation of water intaking valve 23 and outlet valve 24, the supplement to filtered fluid in filtered fluid receiving portion 21 and discharge are capable of achieving, carry
High workload efficiency and economic benefit.Optionally, water intaking valve 23 and outlet valve 24 are magnetic valve.
Optionally, as shown in figure 3, in the present embodiment, liquid filter element 20 also includes pressure detector 25, pressure inspection
Survey device 25 to be arranged in filtered fluid receiving portion 21, pressure detector 25 is used to detect the pressure in filtered fluid receiving portion 21, to protect
The normal of card liquid filter element 20 is used.
As shown in figure 4, offering the slag-drip opening 211 being connected with inside it, liquid in the bottom of filtered fluid receiving portion 21
Filter element 20 also includes being arranged on deslagging switch 26 on slag-drip opening 211.During gas is with valve long-term use, it is likely that
Dirt and dregs are saved bit by bit in filtered fluid receiving portion 21, deslagging 26 pairs of filtered fluid receiving portions 21 of switch is opened and is cleared up, Neng Gouyan
The service life of pressure-reducing valve long.As shown in Figures 2 and 3, optionally, the bottom surface of the inside of filtered fluid receiving portion 21 forms infundibulate
The collection top of the slag, slag-drip opening 211 is located at the minimum point of the collection top of the slag, in order to saving bit by bit and discharging the dirt in filtered fluid receiving portion 21.
Optionally, as shown in Fig. 2 deslagging switch 26 includes screw-type plunger member 261, slag-drip opening 211 and screw-type plunger
It is connected through a screw thread between part 261.When using, by screw screw-type plunger member 261 it can be pulled down from slag-drip opening 211 with
It is easy to deslagging.In order to prevent screw-type plunger member 261 from the unexpected abjection of slag-drip opening 211, deslagging switch 26 also includes protective cover
262, protective cover 262 is arranged at slag-drip opening 211 and covers slag-drip opening 211 and screw-type plunger member 261, to prevent screw-type plunger
Part 261 is deviate from from slag-drip opening 211.
As shown in Figure 1 to Figure 3, above-mentioned gas valve can be a kind of pressure-reducing valve, and the pressure-reducing valve also includes decompression member 40,
Decompression member 40 is arranged on valve body 10.Above-mentioned control gas circuit is controlled by decompression member 40, pressure regulation can be carried out to gas circuit.
As shown in Fig. 2 in the pressure-reducing valve, above-mentioned screw-type plunger member 261 stretches into the portion in filtered fluid receiving portion 21
Point also with the drive connection of pressure control means 41 of decompression member 40.By screwing screw-type plunger member 261 come adjusting screw formula post
Built-in length of the plug member 261 in filtered fluid receiving portion 21 can adjust the work of decompression member 40 with driving pressure control piece 41
Pressure.
As shown in Fig. 2 pressure-reducing valve also includes drive connection component 50, drive connection component 50 is arranged on screw-type plunger member
Between 261 and pressure control means 41.Just can be with driving pressure by the activity of the drive drive connection of screw-type plunger member 261 component 50
Control piece 41 adjusts the operating pressure of decompression member 40.Optionally, drive connection component 50 includes spring mounting seat 51 and spring
52, spring mounting seat 51 is arranged in screw-type plunger member 261, and spring 52 is arranged on spring mounting seat 51 and pressure control means 41
Between.As shown in figure 4, behind dismounting lower screw-type plunger member 261, the dirt in filtered fluid receiving portion 21 can be from spring mounting seat
Slag-drip opening 211 is entered in space between 51 and the collection top of the slag to discharge.
The concrete structure of pressure-reducing valve of the invention also includes bonnet assemblies, upper valve body component, lower valve body component.
Bonnet assemblies include bonnet, train wheel bridge, valve rod, locking nut, sunk screw, diaphragm, flap, lower plate composition.
Diaphragm is fixedly clamped on valve rod by train wheel bridge and lower decks, and is locked by locking nut, and diaphragm periphery is by bonnet and upper valve body
Fixed by screw in compression, valve rod lower end is equipped with flap, and is fixed by sunk screw, and sunk screw bottom connects with supporting post-rod
Touch.Supporting post-rod is above-mentioned pressure control means 41.
Described upper valve body component includes upper valve body, valve seat, supporting post-rod, spring, spring mounting seat composition.Mozzle is embedding
Enter in upper valve body, upper end connects with gas access, lower end connects straight in reaching filter water with filtered fluid receiving portion.Valve seat is by spiral shell
Nail is installed in upper valve body, and valve seat is provided with several apertures away from mozzle side, and aperture is being filtered on waterline, after making filtering
Gas can pass through from hole, and ensure mozzle bottom splash liquid will not bring into hole.Supporting post-rod can be
Slided in valve seat, and valve seat can play position-limiting action to it.Spring upper end is installed with supporting post-rod, and lower end is installed with spring
Seat is installed.
Described lower valve body component includes lower valve body, screw-type plunger member, protective cover.Lower valve body passes through bolt and upper valve body
Connection, lower valve body bottom is provided with screw-type plunger member, and screw-type plunger member upper end contacts with spring mounting seat, by adjusting screw
Formula plunger member can adjust amount of spring compression, reach suitable inlet pressure, and screw-type plunger member outside is provided with protective cover, rises
Protective effect.
Described water intaking valve is arranged in lower valve body, and outlet valve is arranged on upper valve body, is all connected with filtered fluid receiving portion,
When pressure-reducing valve needs to change water in real time, it is powered and opens two magnetic valves, from the water filling of water intaking valve porch, outlet valve exit row
Go out, change after the completion of water, water intaking valve, outlet valve are closed successively, water process is changed in completion.
The course of work of above-mentioned pressure-reducing valve is：
When positive Atmospheric vacuum works, gas inlet end connection vacuum generating device, gas is flowed into from upper valve body import, by mozzle
Into in filtered fluid receiving portion, filtered fluid receiving portion built with filtration water, wherein mozzle lower end insertion water in, gas
Body falls solid particle polluter by being directly over water filtration after mozzle, then passes sequentially through side wall aperture, the valve seat of valve seat distal end
Mouthful, finally being exported from upper valve body and flowed out, upper valve body is provided with pressure gauge, can be to filtered fluid receiving portion pressure real-time monitoring.
When draining-off sewage is needed, protective cover and screw-type plunger member are removed successively, now spring mounting seat is due to spring
Power effect is fallen back to and is provided with groove with lower valve body inwall bonding position, and spring mounting seat bottom, filtering in filtered fluid receiving portion
Water can flow out from groove, after draining, reinstall screw-type plunger member and screw end cap.
The opening that is first powered when changing water water intaking valve, outlet valve, filter water enters filtered fluid receiving portion by water inlet valve module, many
Remaining water can be excluded from the delivery port of outlet valve, reach the replacing of filter water, and mozzle lower end has one under the water position status
Dividing is submerged in water, plays filtering gas, and valve seat wall aperture will not hinder gas passage in waterline upper end.Vacuum
Pressure-reducing valve can in real time be changed water at work, be not required to shut down, it is ensured that operating efficiency.
Present invention also offers a kind of proportioning machine（Not shown in figure）, the proportioning machine is using above-mentioned pressure-reducing valve.Due to this
Proportioning machine employs above-mentioned pressure-reducing valve, and the liquid filter element 20 that can be allowed in pressure-reducing valve was carried out to the impurity in gas circuit
Filter, and then the use of the control gas circuit of impurity damage in gas circuit or influence pressure-reducing valve is avoided, to extend the life-span of pressure-reducing valve,
Ensure the long-time steady operation of proportioning machine.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" in ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " it is laterally, vertical,
The indicated orientation such as vertically, level " and " top, bottom " or position relationship are normally based on orientation shown in the drawings or position and close
System, is for only for ease of the description present invention and is described with simplified, and in the case where opposite explanation is not made, these nouns of locality are not indicated that
There must be specific orientation or with specific azimuth configuration and operation with the device or element for implying meaning, therefore can not manage
It is limiting the scope of the invention to solve；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (14)
1. a kind of gas valve, it is characterised in that including valve body, control gas circuit is formed with the valve body, is opened up on the valve body
There are the air inlet and gas outlet being connected with the control gas circuit respectively, gas valve also includes liquid filter element, described
Liquid filter element is arranged in the control gas circuit, and between the air inlet and the gas outlet, the liquid mistake
There is filtered fluid in filter part, the filtered fluid is used to filter in the control gas circuit from the air inlet by the outlet
The gas of mouth.
2. gas valve according to claim 1, it is characterised in that the liquid filter element includes filtered fluid receiving portion,
The filtered fluid is partially filled with the filtered fluid receiving portion, is filled with the air inlet and the filtered fluid receiving portion
The part connection of the filtered fluid, the part being connected with the gas outlet of the control gas circuit and the filtered fluid receiving portion
The interior part connection without the filtered fluid.
3. gas valve according to claim 2, it is characterised in that the liquid filter element includes mozzle, described to lead
One end of flow tube is connected with the air inlet, and the other end of the mozzle is inserted in the filtered fluid receiving portion fills
State the part of filtered fluid.
4. gas valve according to claim 2, it is characterised in that gas valve also includes valve seat, the valve seat is set
In the filtered fluid receiving portion, outlet passageway is formed on the valve seat, one end of the outlet passageway holds with the filtered fluid
The part that receiving does not have the filtered fluid in portion connects, the other end of the outlet passageway and the control gas circuit and the outlet
The part connection that mouth is connected.
5. gas valve according to claim 4, it is characterised in that offered on the valve seat and be connected with the outlet passageway
Logical pod apertures, the pod apertures are located in the filtered fluid receiving portion not to be had in the part of the filtered fluid.
6. gas valve according to claim 2, it is characterised in that offered in the filtered fluid receiving portion and its internal phase
The inlet and liquid outlet of connection.
7. gas valve according to claim 6, it is characterised in that the liquid filter element also include being arranged on it is described enter
Water intaking valve and the outlet valve being arranged on the liquid outlet on liquid mouthful.
8. gas valve according to claim 2, it is characterised in that the liquid filter element also includes pressure detector,
The pressure detector is arranged in the filtered fluid receiving portion, and the pressure detector is used to detect the filtered fluid receiving portion
Interior pressure.
9. gas valve according to claim 2, it is characterised in that the bottom of the filtered fluid receiving portion offer with it
The slag-drip opening that portion is connected, the liquid filter element also includes being arranged on deslagging switch on the slag-drip opening.
10. gas valve according to claim 9, it is characterised in that the bottom surface of the inside of the filtered fluid receiving portion is formed
The infundibulate collection top of the slag, the slag-drip opening is located at the minimum point of the collection top of the slag.
11. gas valves according to claim 9, it is characterised in that the deslagging switch includes screw-type plunger member, described
It is connected through a screw thread between slag-drip opening and the screw-type plunger member.
12. a kind of pressure-reducing valves, it is characterised in that the pressure-reducing valve is gas valve any one of claim 1 to 11, described
Pressure-reducing valve also includes decompression member, and the decompression member is arranged on the valve body, for controlling the control gas circuit.
13. pressure-reducing valves according to claim 12, it is characterised in that the liquid filter element includes the filtered fluid of sealing
Receiving portion, is partially filled with the filtered fluid, the air inlet and the filtered fluid receiving portion in the filtered fluid receiving portion
The interior part connection filled with the filtered fluid, does not have the portion of the filtered fluid in the gas outlet and the filtered fluid receiving portion
Divide connection, the bottom of the filtered fluid receiving portion offers the slag-drip opening being connected with inside it, and the liquid filter element is also
Including being arranged on the slag-drip opening deslagging switch, the deslagging switch includes screw-type plunger member, the slag-drip opening with it is described
Be connected through a screw thread between screw-type plunger member, the screw-type plunger member stretch into part in the filtered fluid receiving portion also with
The pressure control means drive connection of the decompression member, the screw-type plunger member is additionally operable to drive the pressure control means to adjust
The operating pressure of the decompression member.
A kind of 14. proportioning machines, including pressure-reducing valve, it is characterised in that the pressure-reducing valve is any one of claim 12 to 13 institute
The pressure-reducing valve stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024934.2A CN106907366B (en) | 2017-01-13 | 2017-01-13 | Gas valve, pressure reducing valve and proportioning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024934.2A CN106907366B (en) | 2017-01-13 | 2017-01-13 | Gas valve, pressure reducing valve and proportioning machine |
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| CN106907366A true CN106907366A (en) | 2017-06-30 |
| CN106907366B CN106907366B (en) | 2019-01-25 |
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Citations (8)
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| GB191023859A (en) * | 1910-10-14 | 1911-10-16 | Dental Mfg Co Ltd | Improvements in and relating to Foot Valves of Gas Bottles and other Chambers Containing Gas or Fluid Under Pressure. |
| CN2298391Y (en) * | 1997-05-16 | 1998-11-25 | 王学福 | Pressure reducing valve with air leak display |
| CN201236991Y (en) * | 2008-07-16 | 2009-05-13 | 宁波星箭航天机械厂 | High-pressure reducing valve |
| CN101514759A (en) * | 2009-03-03 | 2009-08-26 | 夏国伟 | High-pressure filtering pressure reducer and assembling method thereof |
| CN204079728U (en) * | 2014-10-21 | 2015-01-07 | 华新水泥股份有限公司 | The disposal system of liquid extruded by a kind of rubbish |
| CN104455717A (en) * | 2014-12-02 | 2015-03-25 | 苏州福润机械有限公司 | Filtration air valve |
| US20150202552A1 (en) * | 2014-01-23 | 2015-07-23 | Caterpillar Inc. | Liquid filter drain with integral air vent |
| CN205781146U (en) * | 2016-06-16 | 2016-12-07 | 成都迅航机电有限公司 | A kind of air reducing valve of band air filter |
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2017
- 2017-01-13 CN CN201710024934.2A patent/CN106907366B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191023859A (en) * | 1910-10-14 | 1911-10-16 | Dental Mfg Co Ltd | Improvements in and relating to Foot Valves of Gas Bottles and other Chambers Containing Gas or Fluid Under Pressure. |
| CN2298391Y (en) * | 1997-05-16 | 1998-11-25 | 王学福 | Pressure reducing valve with air leak display |
| CN201236991Y (en) * | 2008-07-16 | 2009-05-13 | 宁波星箭航天机械厂 | High-pressure reducing valve |
| CN101514759A (en) * | 2009-03-03 | 2009-08-26 | 夏国伟 | High-pressure filtering pressure reducer and assembling method thereof |
| US20150202552A1 (en) * | 2014-01-23 | 2015-07-23 | Caterpillar Inc. | Liquid filter drain with integral air vent |
| CN204079728U (en) * | 2014-10-21 | 2015-01-07 | 华新水泥股份有限公司 | The disposal system of liquid extruded by a kind of rubbish |
| CN104455717A (en) * | 2014-12-02 | 2015-03-25 | 苏州福润机械有限公司 | Filtration air valve |
| CN205781146U (en) * | 2016-06-16 | 2016-12-07 | 成都迅航机电有限公司 | A kind of air reducing valve of band air filter |
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| Publication number | Publication date |
|---|---|
| CN106907366B (en) | 2019-01-25 |
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