CN103644342A - Pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve - Google Patents
Pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve Download PDFInfo
- Publication number
- CN103644342A CN103644342A CN201310604420.6A CN201310604420A CN103644342A CN 103644342 A CN103644342 A CN 103644342A CN 201310604420 A CN201310604420 A CN 201310604420A CN 103644342 A CN103644342 A CN 103644342A
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- China
- Prior art keywords
- main valve
- gas control
- piston
- groove
- cartridge pressure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve. The pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve comprises a cartridge pressure reducing valve which comprises an adjusting screw cap, a valve sleeve, a piston rod, a piston, cylinder covers, a cylinder tube, an adapter plate, a pneumatic control pressure regulating valve and a main valve core; the main valve core is arranged in the main valve sleeve; a sealing pad is embedded into one end of the main valve sleeve; the sealing pad is compressed in a main valve sleeve groove through the screw cap; the lower cylinder cover is inserted into the main valve sleeve and the combined sealing is adopted; the cylinder tube is arranged between the upper cylinder cover and the lower cylinder cover which are connected with each other through a screw; the main valve core is inserted into the piston rod which is fixedly connected with the piston through a screw; a spring is placed between the lower cylinder cover and the piston; the adapter plate is arranged between the upper cylinder cover and the lower cylinder cover and provided with a groove; a base of the pneumatic control pressure regulating valve is arranged in the groove and fastened through a screw. According to the pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve, the front end of the main valve core is designed to be spherical and accordingly large particles can pass through conveniently and the effect of zero leakage can be achieved and meanwhile a main valve body is designed to be the cartridge type and accordingly the deformation is not produced by the main valve sleeve due to the stress and the centralized control can be convenient.
Description
Technical field
The present invention relates to valve technology field, be specifically related to a kind of gas control anti-pollution zero leakage cartridge pressure reduction valve.
Background technique
Reduction valve is by regulating, inlet pressure being reduced to the outlet pressure of a certain needs, and rely on the energy of medium itself, makes outlet pressure automatically keep stable valve.From hydromechanical viewpoint, reduction valve is a throttle element that local resistance can change, and by changing orifice size, the kinetic energy of flow velocity and fluid is changed, and causes the different pressure losses, thereby reaches the object of decompression.Then rely on the adjusting of controlling with regulating system, the fluctuation of downstream pressure and spring force are balanced each other, make downstream pressure keep constant in certain margin of error.
Existing reduction valve kind is a lot, and common is guide piston pressure reducing valve, Diaphragm reducing valve, Bellows reducing valve, and above-mentioned reduction valve has following shortcoming in routine duties:
1, reduction valve pressure limited adjustment range system, requires low especially load can not reach requirement to some pressure.
2, can not automatically close, some load on while having a power failure or exist in potential safety hazard situation needs to stop immediately, and general reduction valve can not be accomplished.
3, rate of fault is higher, is prone to capillary tube or equalizing orifice obstruction, diaphragm deformation, breaks, the situation such as leakage.
4, pressure setting regulates not intuitively, inconvenient, and in the higher situation in mounting point, the adjustment inconvenience of getting up according to load demand varies, can not remote-controlled operation adjustment.
5, also have in addition a kind of cartridge pressure reduction valve, regulating valve pocket and main valve housing is all generally to use to be threaded, and is threaded that it is large to have difficulty of processing, the shortcoming that sealability is low; The main valve plug autokinesis of reduction valve is low, and the speed of response of valve is slow, and the low sealed type of main valve housing and plug-in opening easily produces distortion.Spool generally adopts metal to metal seal in addition, and anti-pollution, because the inner flow area of its structures shape is little, does not cause flow less.
6, general cartridge pressure reduction valve is established overflow hole, and this has just determined the overflow of this kind of reduction valve normality, can not guarantee that in real work, some needs the occasion of zero leakage.
7, existing reduction valve volume is larger, and inconvenience is installed, and can not install inconvenient maintenance concentratedly.
Summary of the invention
The object of the invention is to defect and deficiency for prior art, provide a kind of can be easy for installation, the resistance to impurity of anti-pollution, zero leakage, cartridge pressure reduction valve.
For achieving the above object, the technical solution used in the present invention is:
A kind of gas control anti-pollution zero leakage cartridge pressure reduction valve of the present invention, described reduction valve comprises a kind of cartridge pressure reduction valve, described reduction valve comprises adjusting blind nut, valve pocket, piston rod, piston, cylinder cap, cylinder barrel, pinboard, gas control pressure regulator valve and be placed in the main valve plug in main valve housing, the embedded sealing gasket in one end of described main valve housing, described blind nut is pressed on sealing gasket in main valve grooving, described lower cylinder cap inserts in main valve housing, adopt combination seal, between described upper cylinder cover and lower cylinder cap, establish cylinder barrel, between cylinder cap, adopt screw to connect, described main valve plug inserts in piston rod, between piston rod and piston, adopt screw to be connected and fixed, described spring is placed between lower cylinder cap and piston, on described, between lower cylinder cap, establish pinboard, pinboard is provided with groove, gas control pressure regulator valve floor installation is in groove, screw fastening.
As preferably, described main valve plug and piston rod adopt split design, are beneficial to processing and assembling, and adopt sealer locking.
As preferably, sealing gasket adopts high-performance, high strength material, guarantees sealing, can guarantee long lifetime property again, between main valve plug and sealing gasket, for face seals, can allow larger granule medium to pass through, and has higher stain resistance.
As preferably, described cylinder body, piston, pinboard, piston rod are provided with seal ring.
As preferably, described lower cylinder cap is provided with spring seat, in described spring seat, is provided with pressure-stabilizing spring.
As preferably, described main valve housing is provided with endoporus, side opening, the first groove, the second groove, in described the first groove and the second groove, is respectively equipped with back-up ring and seal ring.
As preferably, described main valve plug is provided with installs screw thread and shoulder, and front end is spherical Streamline Design, and medium runner is smooth transition, is more conducive to fluid and passes through, less flow resistance.
Adopt after said structure, beneficial effect of the present invention is: adopt plug-in type valve body, and between plug-in mounting body, be screw mounting type, installation direction is adjustable, can make to be like this connected between main valve housing and plug-in mounting body, and make it have certain degrees of freedom, compare with the mode being threaded and reduced difficulty of processing, make main valve housing both ends of the surface can keep the vertical seal action that plays simultaneously, at the bottom of main valve housing and plug-in opening, sealing place has shoulder hole, and main valve housing can stress and is out of shape.
The present invention's installation of can unit loading type confluxing, is beneficial to centralized control.Adopt gas control regulative mode, delivery pressure is more stable, can remote control and regulation, regulate more convenient, quick.Main valve plug front end adopts spherical Streamline Design, and main valve plug upper groove can increase through-current capability.Reduce flow by time hydraulic power, main valve plug is improved in the sensitivity of motion, improve the speed of response of valve.
Accompanying drawing explanation
In order to be illustrated more clearly in technological scheme of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, a gas control anti-pollution zero leakage cartridge pressure reduction valve, the main matrix of described reduction valve is main valve housing 6, in main valve housing 6 bottoms, is provided with sealing gasket 2, adopt blind nut 1 to compress, lower cylinder cap 9 inserts main valve housing 6 endoporus, establishes seal ring 19,25,28, wear-resistant strip 27 in lower cylinder cap 9, back-up ring 24, lower cylinder cap 9 is divided into catch 7, and lower cylinder cap 9 and the middle dress cylinder barrel 11 of upper cylinder body 12, adopt screw to connect.Between upper cylinder cover 12, lower cylinder cap 9 and gas control pressure regulator valve, establish pinboard 13, built-in steel ball 22 on pinboard 13, seal ring 21, adopts screw 23 to be arranged on upper cylinder cover 12 and lower cylinder cap 9, and Air pressure control release valve 20 bases are fixed on pinboard 13.Main valve plug 4 is built in main valve housing 6, and screw thread is established in upper end, is connected fasteningly with piston rod 5, and piston rod 5 upper ends dresses seal rings 17, in embed wholly piston 10, adopt screw 15, bullet pad 16 to connect fastening, and seal ring 18 is established in piston 10 outsides.Spring 14 is placed in lower cylinder body 9 and piston 10 spring mounting holes.Main valve housing 7 outsides are provided with 2 road circular grooves, first groove built-in ring 29, back-up ring 3, second circular groove built-in ring 26, back-up ring 8.Between the first groove, the second groove, being hydraulic fluid port B, is hydraulic fluid port A under described main valve plug.
The present invention is when static position, by spring 14, main valve plug 4 is acted on to initial position, now this valve is normally closed, fluid is enclosed in B mouth, regulate gas control pressure regulator valve 20, external control gas enters cylinder barrel epicoele by pinboard 13 internal porosities, increase gradually external control atmospheric pressure, reach a certain particular value, promote main valve plug 4 and open, fluid enters A mouth through main valve plug 4 ring runners, continue to increase external control atmospheric pressure, flow area between main valve plug 4 and sealing gasket 2 increases gradually, until A mouth reaches setting value, obtains the outlet pressure needing.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. a gas control anti-pollution zero leakage cartridge pressure reduction valve, it is characterized in that: described reduction valve comprises adjusting blind nut, valve pocket, piston rod, piston, cylinder cap, cylinder barrel, pinboard, gas control pressure regulator valve and be placed in the main valve plug in main valve housing, the embedded sealing gasket in one end of described main valve housing, described blind nut is pressed on sealing gasket in main valve grooving, described lower cylinder cap inserts in main valve housing, adopt combination seal, between described upper cylinder cover and lower cylinder cap, establish cylinder barrel, between cylinder cap, adopt screw to connect, described main valve plug inserts in piston rod, between piston rod and piston, adopt screw to be connected and fixed, described spring is placed between lower cylinder cap and piston, on described, between lower cylinder cap, establish pinboard, pinboard is provided with groove, gas control pressure regulator valve floor installation is in groove, pass through screw fastening.
2. a kind of gas control anti-pollution zero leakage cartridge pressure reduction valve according to claim 1, is characterized in that: described main valve plug and piston rod adopt split design, and adopt sealer locking.
3. a kind of gas control anti-pollution zero leakage cartridge pressure reduction valve according to claim 1, is characterized in that: between described main valve plug and sealing gasket, be face sealing.
4. a kind of gas control anti-pollution zero leakage cartridge pressure reduction valve according to claim 1, is characterized in that: described cylinder body, piston, pinboard, piston rod are provided with seal ring.
5. a kind of gas control anti-pollution zero leakage cartridge pressure reduction valve according to claim 1, is characterized in that: described lower cylinder cap is provided with spring seat, in described spring seat, is provided with pressure-stabilizing spring.
6. a kind of gas control anti-pollution zero leakage cartridge pressure reduction valve according to claim 1, is characterized in that: described main valve housing is provided with endoporus, side opening, the first groove, the second groove, in described the first groove and the second groove, is respectively equipped with back-up ring and seal ring.
7. a kind of gas control anti-pollution zero leakage cartridge pressure reduction valve according to claim 1, is characterized in that: described main valve plug is provided with installs screw thread and shoulder, and front end is spherical streamline, and medium runner is smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604420.6A CN103644342A (en) | 2013-11-25 | 2013-11-25 | Pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604420.6A CN103644342A (en) | 2013-11-25 | 2013-11-25 | Pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103644342A true CN103644342A (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310604420.6A Pending CN103644342A (en) | 2013-11-25 | 2013-11-25 | Pneumatic-control pollution-resistant zero-leakage cartridge pressure reducing valve |
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| CN (1) | CN103644342A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895053A (en) * | 2018-09-17 | 2018-11-27 | 宁波真格液压科技有限公司 | A kind of plug-in No leakage pressure reducing valve |
| CN109764167A (en) * | 2017-11-09 | 2019-05-17 | 赵斌 | Reduction of heat impacts safety valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11304029A (en) * | 1998-04-16 | 1999-11-05 | Aisan Ind Co Ltd | Pressure reducing regulator for compressed natural gas |
| CN201666401U (en) * | 2009-10-12 | 2010-12-08 | 浙江精华测控设备有限公司 | High-pressure constant-flow adjusting valve |
| CN203051878U (en) * | 2013-01-16 | 2013-07-10 | 鞍山拜尔自控有限公司 | Self-operated pressure regulating valve used for micro flow control in micro-pressure |
| CN203214890U (en) * | 2013-03-01 | 2013-09-25 | 大连元利流体技术有限公司 | Plug-in mounting type pneumatic coaxial valve |
-
2013
- 2013-11-25 CN CN201310604420.6A patent/CN103644342A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11304029A (en) * | 1998-04-16 | 1999-11-05 | Aisan Ind Co Ltd | Pressure reducing regulator for compressed natural gas |
| CN201666401U (en) * | 2009-10-12 | 2010-12-08 | 浙江精华测控设备有限公司 | High-pressure constant-flow adjusting valve |
| CN203051878U (en) * | 2013-01-16 | 2013-07-10 | 鞍山拜尔自控有限公司 | Self-operated pressure regulating valve used for micro flow control in micro-pressure |
| CN203214890U (en) * | 2013-03-01 | 2013-09-25 | 大连元利流体技术有限公司 | Plug-in mounting type pneumatic coaxial valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764167A (en) * | 2017-11-09 | 2019-05-17 | 赵斌 | Reduction of heat impacts safety valve |
| CN109764167B (en) * | 2017-11-09 | 2020-06-05 | 赵斌 | Heat shock reducing safety valve |
| CN108895053A (en) * | 2018-09-17 | 2018-11-27 | 宁波真格液压科技有限公司 | A kind of plug-in No leakage pressure reducing valve |
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Application publication date: 20140319 |