CN208687038U - A kind of filter check valve for air-transport system - Google Patents

A kind of filter check valve for air-transport system Download PDF

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Publication number
CN208687038U
CN208687038U CN201820777974.4U CN201820777974U CN208687038U CN 208687038 U CN208687038 U CN 208687038U CN 201820777974 U CN201820777974 U CN 201820777974U CN 208687038 U CN208687038 U CN 208687038U
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China
Prior art keywords
filter
spool
valve base
check
valve
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Expired - Fee Related
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CN201820777974.4U
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Chinese (zh)
Inventor
岳鹏
岳波
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Individual
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Individual
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Abstract

A kind of filter check valve for air-transport system is related to a kind of check-valves, including upper valve base, lower valve base, cylinder, filter core, spool, spring, check ball, valve rod, acorn nut, polytetrafluoro pad, fixing bolt.Filter chamber and stem guiding chamber are equipped in cylinder, filter core is equipped in filter chamber, the intracavitary portion of stem guiding is equipped with valve rod, spool, non-return ball and spring, filter core is fixed on upper valve base by spool and valve rod group zoarium, check ball is pressed at the protrusion of lower valve base air inlet by the lower end of spool by spring, upper valve base, cylinder and lower valve base joint install polytetrafluoro pad one and polytetrafluoro pad two additional, and are connected together by fixing bolt.Check ball and spool, the excessive check ball top stress of fluid flow are equipped with inside the utility model filter chamber, flexible connector is shunk, and prevents reverse flow of fluids.Meanwhile lower valve base is equipped with protrusion, check ball and protrusion are in close contact, and also functioning to prevents reverse flow of fluids from acting on, and not only have filtering function, but also there are also counterflow-preventings to act on.

Description

A kind of filter check valve for air-transport system
Technical field
The utility model relates to a kind of check-valves, more particularly to a kind of filter check valve for air-transport system.
Background technique
Check-valves is also known as check valve or non-return valve, and effect is to prevent the medium in pipeline from flowing backwards, in pipe-line system non-return Valve is widely used.But common its function of check-valves is more single on the market at present, it, can not other than preventing medium from flowing backwards It plays a role in filtering, generally requires to be used cooperatively with other valves, and the connection of multiple valves not only makes pipe installation process The problems such as becoming cumbersome, and being easy to appear medium leakage, influence whole leakproofness.
It is middle because both ends medium difference then needs complement filter device at present in the filter check valve of granular material transportation system Or other isolating devices use, and prevent granular material from polluting to compressed air system.The check valve structure abnormity used is more, no It is easy to manufacture, and have a single function, generally only serve the effect for preventing medium from flowing backwards.And in actual use, not only to prevent medium It flows backwards, but also medium is filtered.
Summary of the invention
The purpose of this utility model is to provide a kind of filter check valve for air-transport system, the utility model mistakes Check ball and spool, the excessive check ball top stress of fluid flow are equipped with inside filter chamber, flexible connector is shunk, and fluid is prevented to fall Stream.Meanwhile lower valve base is equipped with fixing bolt, check ball and fixing bolt are in close contact, and also functioning to prevents reverse flow of fluids from acting on, Not only has filtering function, but also there are also counterflow-preventings to act on.
The purpose of this utility model is achieved through the following technical solutions:
A kind of filter check valve for air-transport system, described includes upper valve base, lower valve base, cylinder, filter core, filter core Hole is 5-8 microns, spool, spring, check ball, valve rod, acorn nut, polytetrafluoro pad one, polytetrafluoro pad two and fixing bolt; It is equipped with filter chamber and stem guiding chamber in the cylinder, filter core is equipped in filter chamber, the intracavitary portion of stem guiding is equipped with valve rod, valve Filter core is fixed on upper valve base by core, non-return ball and spring, spool and valve rod group zoarium, and the lower end of spool passes through spring for non-return Ball is pressed at the fixing bolt of lower valve base air inlet, and upper valve base, cylinder and lower valve base joint install polytetrafluoro pad one and poly- four additional Fluorine pad two, and connected together by 4 fixing bolts;Upper valve base be equipped with gas outlet, lower valve base be equipped with air inlet, air inlet and Angle between gas outlet is 0 degree, 90 degree or 180 degree;Check ball and spool are equipped with inside filter chamber, lower valve base is equipped with Fixing bolt, check ball and fixing bolt are in close contact;Filter check valve gas outlet is connect with air-transport system sending cans.
A kind of filter check valve for air-transport system, the check ball are connected with spool by spring.
A kind of filter check valve for air-transport system, the filter core between spool and upper valve base, It is fixed on upper valve base through valve rod and acorn nut.
A kind of filter check valve for air-transport system, the spool are by polytetrafluoroethylene (PTFE), copper powder, stone Ink, schmigel, silicate adhesive are mixed, embryo processed, high temperature sintering are made.
A kind of filter check valve for air-transport system, the upper valve base, lower valve base, cylinder, spool, bullet Spring and stem surface are zinc-plated.
A kind of filter check valve for air-transport system, the check ball is using real made of rubber material Bulbus cordis body.
The advantages of the utility model, is with effect:
1. the utility model air-transport system filter check valve, filter chamber inside is equipped with check ball and spool, it Several microns to more than ten microns of filter core hole very little, flexible connector are spring, the excessive check ball top stress of fluid flow, elasticity Connector is shunk, and check ball is opened, and fluid passes through, if reverse flow of fluids, check ball closure prevents reverse flow of fluids.Meanwhile lower valve Seat is equipped with fixing bolt, and check ball and fixing bolt are in close contact.Not only has filtering function, but also there are also counterflow-preventings to make With.
2. the utility model air-transport system filter check valve, spool is by polytetrafluoroethylene (PTFE), copper powder, graphite, corundum Powder, silicate adhesive, are mixed, embryo processed, high temperature sintering are made, not only good permeability, and low noise, filter effect is good, and It is wear-resisting, long service life.
3. the utility model air-transport system filter check valve is not only suitable for filtering and the counterflow-preventing of same media, And it is more suitable for filtering and the counterflow-preventing of different medium, its filter core hole is several microns, applies the mistake in air-transport system It filters check-valves air inlet and connects compressed air, filter check valve gas outlet connects air-transport system sending cans, filter check valve Input end is compressed air, and outlet end is granular material.Filter check valve can effectively prevent the granular substance in sending cans Material is poured into compressed air line.
4. existing isolated check-valves is improved respectively with filter and combined by the utility model is made as one, tool There are filtering and anti-reverse dual function, reduce production and installation cost, simplifies pipeline equipment, it is installation, maintenance, easy to use, Effect is good.Medium after valve can not only be prevented is flow backwards, but also can prevent that cross contamination occurs between pipeline.The filtering Check-valves is used in the inlet end of air-transport system, and retaining element effectively prevents the material in sending cans from flowing backwards phenomenon, filtering Component can guarantee that pure compressed air enters in sending cans, while also guarantee that the material in sending cans does not pollute compressed air Supply end.Granular material transportation system can be applied well, and this filter check valve structure is simple, easy for installation and be easy to Production.
Detailed description of the invention
Fig. 1 is filter check valve structural front view;
Fig. 2 is filter check valve structure top view.
Specific embodiment
The utility model is described in detail below with reference to embodiment.
A kind of air-transport system filter check valve of the utility model, including upper valve base 3, lower valve base 11, cylinder 1, filter Core 2, filter core hole are several microns, spool 7, spring 8, check ball 9, valve rod 4, acorn nut 5, polytetrafluoro pad 1, polytetrafluoro pad 2 10 and fixing bolt 14.It is equipped with filter chamber and stem guiding chamber in cylinder 1, is equipped with filter core 2 in filter chamber, stem guiding is intracavitary Portion is equipped with valve rod 4, spool 7, check ball 9 and spring 8, and filter core 2 is fixed on upper valve base 3 by spool 7 and valve rod group zoarium, spool Check ball 9 is pressed at the fixing bolt 14 of lower valve base air inlet 13 by 7 lower end by spring 8, upper valve base 3, cylinder 1 and lower valve 11 joints of seat install polytetrafluoro pad 1 and polytetrafluoro pad 2 10 additional, and are connected together by 4 fixing bolts 15.Valve seat 3 is set Have a gas outlet 12, lower valve base 11 is equipped with air inlet 13, the angle between air inlet 13 and gas outlet 12 can according to the actual situation into Row adjustment, can be 0 degree, 90 degree, is also possible to 180 degree.Check ball 9 and spool 7, check ball 9 and valve are equipped with inside filter chamber Core 7 is connected by the spring 8, the excessive 9 top stress of check ball of fluid flow, and spring 8 is shunk, and check ball 9 is opened, fluid Pass through, if reverse flow of fluids, check ball 9 is closed, and prevents reverse flow of fluids.Lower valve base 11 is equipped with fixing bolt 14, check ball 9 and solid Determine the close contact of bolt 14, prevents reverse flow of fluids.Filter core 2 is between spool 7 and upper valve base 3, and port valve bar 4 and acorn nut 5 are fixed on upper valve base 3.Spool 7 is mixed, is made by polytetrafluoroethylene (PTFE), copper powder, graphite, schmigel, silicate adhesive Embryo, high temperature sintering are made.Upper valve base 3, lower valve base 11, cylinder 1, spool 7, spring 8 and valve rod 4 pass through zinc-plated processing.Non-return Ball 9 is using solid sphere made of rubber material.Non-return valve air gate 12 connects air-transport system sending cans, check valve inlet End is compressed air, and outlet end is granular material.Filter check valve can effectively prevent the granular material in sending cans from falling Enter into compressed air line.
Embodiment 1
As shown in Fig. 1 to 2, a kind of air-transport system filter check valve, including upper valve base 3, lower valve base 11, cylinder 1, filter core 2, spool 7, spring 8, check ball 9, valve rod 4, acorn nut 5, polytetrafluoro pad 1, polytetrafluoro pad 2 10 and fixed spiral shell Bolt 14.It is equipped with filter chamber and stem guiding chamber in the cylinder 1, filter core 2 is equipped in filter chamber, the intracavitary portion of stem guiding is equipped with valve Filter core 2 is fixed on upper valve base 3 by bar 4, spool 7, check ball 9 and spring 8, spool 7 and valve rod group zoarium, the lower end of spool 7 Check ball 9 is pressed at the fixing bolt 14 of lower valve base air inlet 13 by spring 8, upper valve base 3, cylinder 1 and lower valve base 11 connect It installs polytetrafluoro pad 1 and polytetrafluoro pad 2 10 at conjunction additional, and is connected together by 4 fixing bolts 15.
Upper valve base 3 is equipped with gas outlet 12, and lower valve base 11 is equipped with air inlet 13, the angle between air inlet 13 and gas outlet 12 It can be adjusted according to the actual situation, can be 0 degree, 90 degree, be also possible to 180 degree.
Check ball 9 and spool 7 are equipped with inside filter chamber, check ball 9 and the spool 7 are connected by the spring 8, fluid The excessive 9 top stress of check ball of flow, spring 8 are shunk, and check ball 9 is opened, and fluid passes through, if reverse flow of fluids, check ball 9 is closed It closes, prevents reverse flow of fluids.
Lower valve base 11 is equipped with fixing bolt 14, and check ball 9 and fixing bolt 14 are in close contact, and prevents reverse flow of fluids.
Filter core 2 is between spool 7 and upper valve base 3, and port valve bar 4 and acorn nut 5 are fixed on upper valve base 3.Spool 7 It is by polytetrafluoroethylene (PTFE), copper powder, graphite, schmigel, silicate adhesive, is mixed, embryo processed, high temperature sintering are made, hole is Several microns.
Upper valve base 3, lower valve base 11, cylinder 1, spool 7, spring 8 and valve rod 4 pass through zinc-plated processing.
Check ball 9 is using solid sphere made of rubber material.
When air-transport system is worked with filter check valve, fluid is entered in cylinder 1 by air inlet 13, is gushed on fluid, bullet Property component 8 shrink, check ball 9 moves up, and fluid flows into after filter chamber via filter core 7 to be flowed out by gas outlet 12, and fluid passes through Afterwards, elastomeric element 8 restores to the original state, and spool 9 and fixing bolt 14 are in close contact, and prevents reverse flow of fluids.Filter check valve is not only fitted Filtering and the counterflow-preventing of same media are closed, and is more suitable for filtering and the counterflow-preventing of different medium, in air-transport system, mistake It filters check-valves air inlet 13 and connects compressed air, filter check valve gas outlet 12 connects air-transport system sending cans, and filtering stops Returning valve input end is compressed air, and outlet end is granular material.Filter check valve can effectively prevent the particle in sending cans Shape material is poured into compressed air line.

Claims (5)

1. a kind of filter check valve for air-transport system, which is characterized in that the filter check valve include cylinder (1), Filter core (2), upper valve base (3), valve rod (4), acorn nut (5), polytetrafluoro pad one (6), spool (7), spring (8), check ball (9), polytetrafluoro pad two (10), lower valve base (11) and fixing bolt (14), the filter core (2) hole are 5-8 microns;It is described It is equipped with filter chamber and stem guiding chamber in cylinder (1), is equipped with filter core (2) in filter chamber, the intracavitary portion of stem guiding is equipped with valve rod (4), filter core (2) is fixed on upper valve base (3) by spool (7), check ball (9) and spring (8), spool (7) and valve rod group zoarium, Check ball (9) is pressed at the fixing bolt (14) of lower valve base air inlet (13) by the lower end of spool (7) by spring (8), upper valve Seat (3), cylinder (1) and lower valve base (11) joint install polytetrafluoro pad one (6) and polytetrafluoro pad two (10) additional, and solid by 4 Determine bolt (15) to connect together;Upper valve base (3) is equipped with gas outlet (12), and lower valve base (11) is equipped with air inlet (13), air inlet (13) angle between gas outlet (12) is 0 degree, 90 degree or 180 degree;Check ball (9) and spool are equipped with inside filter chamber (7), lower valve base (11) is equipped with fixing bolt (14), and check ball (9) and fixing bolt (14) are in close contact;Filter check valve goes out Port (12) is connect with air-transport system sending cans.
2. a kind of filter check valve for air-transport system according to claim 1, which is characterized in that the non-return Ball (9) and spool (7) are connected by spring (8).
3. a kind of filter check valve for air-transport system according to claim 1, which is characterized in that the filter core (2) it between spool (7) and upper valve base (3), is fixed on upper valve base (3) through valve rod (4) and acorn nut (5).
4. a kind of filter check valve for air-transport system according to claim 1, which is characterized in that the upper valve Seat (3), lower valve base (11), cylinder (1), spool (7), spring (8) and valve rod (4) surface are zinc-plated.
5. a kind of filter check valve for air-transport system according to claim 1, which is characterized in that the non-return Ball (9) is using solid sphere made of rubber material.
CN201820777974.4U 2018-05-24 2018-05-24 A kind of filter check valve for air-transport system Expired - Fee Related CN208687038U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820777974.4U CN208687038U (en) 2018-05-24 2018-05-24 A kind of filter check valve for air-transport system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820777974.4U CN208687038U (en) 2018-05-24 2018-05-24 A kind of filter check valve for air-transport system

Publications (1)

Publication Number Publication Date
CN208687038U true CN208687038U (en) 2019-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820777974.4U Expired - Fee Related CN208687038U (en) 2018-05-24 2018-05-24 A kind of filter check valve for air-transport system

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468839A (en) * 2018-05-24 2018-08-31 岳波 A kind of filter check valve for air-transport system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108468839A (en) * 2018-05-24 2018-08-31 岳波 A kind of filter check valve for air-transport system
CN108468839B (en) * 2018-05-24 2024-06-28 营口裕隆光电科技有限公司 Filtering check valve for pneumatic conveying system

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Granted publication date: 20190402

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