CN109000008A - A kind of reliable and stable check valve - Google Patents
A kind of reliable and stable check valve Download PDFInfo
- Publication number
- CN109000008A CN109000008A CN201810972949.6A CN201810972949A CN109000008A CN 109000008 A CN109000008 A CN 109000008A CN 201810972949 A CN201810972949 A CN 201810972949A CN 109000008 A CN109000008 A CN 109000008A
- Authority
- CN
- China
- Prior art keywords
- check valve
- reliable
- ball sealer
- valve body
- cavity
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000007797 corrosion Effects 0.000 claims description 18
- 238000005260 corrosion Methods 0.000 claims description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000004615 ingredient Substances 0.000 claims description 12
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 10
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910052718 tin Inorganic materials 0.000 claims description 9
- 229910052684 Cerium Inorganic materials 0.000 claims description 8
- 229910052693 Europium Inorganic materials 0.000 claims description 8
- 229910052765 Lutetium Inorganic materials 0.000 claims description 8
- 229910052779 Neodymium Inorganic materials 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052733 gallium Inorganic materials 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052763 palladium Inorganic materials 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- 229910052702 rhenium Inorganic materials 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 229910052727 yttrium Inorganic materials 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 150000004702 methyl esters Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 14
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
Classifications
-
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/007—Ferrous alloys, e.g. steel alloys containing silver
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
-
- 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
-
- 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
- F16K25/00—Details relating to contact between valve members and seats
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Check Valves (AREA)
Abstract
The present invention relates to a kind of reliable and stable check valves, belong to valve arrangement technical field.The reliable and stable check valve, including valve body, ball sealer, compressed spring and limited block, valve body is tubulose, valve inner is formed with horizontal cavity, one end in cavity is formed with horn-like flaring, the other end in cavity is provided with circular limited block, compressed spring is arranged in cavity at limited block, one end of compressed spring and limited block are affixed, what ball sealer can move left and right is arranged between the flaring and compressed spring in cavity, the diameter of flaring gradually becomes smaller along the direction far from ball sealer, and sealing outer surface of ball is enclosed with sealing rubber layer.The structure of reliable and stable check valve of the invention is simple, by the cooperation of ball sealer, flaring and compressed spring, reversed sealing is achieved the effect that, and has sealed outer surface of ball and be enclosed with sealing rubber layer, it ensure that sealing performance, leaked when check valve being prevented to be not turned on.
Description
Technical field
The present invention relates to a kind of reliable and stable check valves, belong to valve arrangement technical field.
Background technique
Check valve is that fluid can only be flowed along water inlet, and water outlet medium can not but flow back, and be commonly called as check valve.Check valve is again
Claim check-valves or non-return valve.It is empty for preventing oil stream reverse flow in hydraulic system, or for preventing from compressing in pneumatic system
Gas reverse flow.Check valve has through type and two kinds of right-angle type.Straight check valve, which is threadedly coupled, to be installed on the pipeline.Right angle
Formula check valve has threaded connection, board-like connection and three kinds of forms of flanged joint.Hydraulic control one-way valve is also referred to as locking-valve or pressure retaining valve, it
It is identical as check valve, to prevent oil liquid reverse flow.But again using control when needing oil stream reverse flow in hydraulic circuit
Liquefaction pressure opens check valve, keeps oil stream all flowable in both direction.Hydraulic control one-way valve uses taper valve core, therefore leakproofness
It can be good.When requiring closing oil path, this valve can be used to play pressure maintaining effect as the one-way locking of oil circuit.Hydraulic control one-way valve control oil
Leakage way have and internal drainage type and leak two kinds of formula.Internal drainage type can be used in the oil circuit that oil stream reversely exports no back pressure；Otherwise it needs
With the formula of leaking, to reduce control-oil pressure.
Current check valve be frequently present of job insecurity, it is easy to damage, perishable the problems such as.
Summary of the invention
The technical problem to be solved by the present invention is to, in view of the shortcomings of the prior art, propose a kind of the operation is stable, good airproof performance,
Reliable and stable check valve with long service life
The technical solution that the present invention proposes to solve above-mentioned technical problem is: a kind of reliable and stable check valve, including valve body, close
Blocking, compressed spring and limited block, valve body are tubulose, and valve inner is formed with horizontal cavity, and one end in cavity is formed with loudspeaker
The flaring of shape, the other end in cavity are provided with circular limited block, and compressed spring is arranged in cavity at limited block,
One end of compressed spring and limited block are affixed, what ball sealer can move left and right be arranged in cavity flaring and compressed spring it
Between, the diameter of flaring gradually becomes smaller along the direction far from ball sealer, and sealing outer surface of ball is enclosed with sealing rubber layer.
The improvement of above-mentioned technical proposal is: the diameter of ball sealer is less than flaring maximum diameter, and the diameter of ball sealer is greater than
Diameter at flaring minimum.
The improvement of above-mentioned technical proposal is: valve body both ends are connected with link block, and link block is formed with internal screw thread.
The improvement of above-mentioned technical proposal is: the outer surface of the sealing rubber layer of ball sealer is coated with corrosion-resistant finishes.
The improvement of above-mentioned technical proposal is: the outer surface of valve body is provided with fine aluminium coating, and the diameter of valve body is 2-10cm.
The improvement of above-mentioned technical proposal is: the sealing rubber layer of ball sealer with a thickness of 5-8mm, the thickness of corrosion-resistant finishes
It is 100-450 μm.
The improvement of above-mentioned technical proposal is: the mass percent of each ingredient in valve body are as follows: C:0.02-0.04%, Al:2.16-
3.53%, Zn:0.82-1.15%, Mn:0.55-0.72%, Cr:0.03-0.07%, Ni:0.04-0.12%, Mo:0.05-0.12%,
Pd:0.13-0.15%, Pt:0.14-0.24%, Nd:0.03-0.14%, Ce:0.06-0.08%, Eu:0.02-0.05%, Lu:
0.02-0.11%, Au:0.03-0.07%, Ag:1.29-1.44%, Ga:0.01-0.02%, Y:0.11-0.23%, Sn:0.77-
1.24%, Zr:0.02-0.05%, Re:0.01-0.03%, surplus Fe.
The improvement of above-mentioned technical proposal is: the mass percent of each ingredient in corrosion-resistant finishes are as follows: magnesia: 6.46-
7.53%, magnesium chloride: 5.12-5.45%, fluorographite: 1.29-1.44%, methyl methacrylate: 3.41-3.83%, acrylic acid
Butyl ester: 2.11-2.25%, vinyltriethoxysilane: 1.23-1.36%, aluminium oxide: 3.59-4.05%, surplus are asphalt mixtures modified by epoxy resin
Rouge.
The improvement of above-mentioned technical proposal is: the mass percent of each ingredient in valve body are as follows: C:0.02%, Al:2.16%, Zn:
0.82%, Mn:0.55%, Cr:0.03%, Ni:0.04%, Mo:0.05%, Pd:0.13%, Pt:0.14%, Nd:0.03%, Ce:
0.06%, Eu:0.02%, Lu:0.02%, Au:0.03%, Ag:1.29%, Ga:0.01%, Y:0.11%, Sn:0.77%, Zr:0.02%,
Re:0.01%, surplus Fe.
The improvement of above-mentioned technical proposal is: the mass percent of each ingredient in valve body are as follows: C:0.04%, Al:3.53%, Zn:
1.15%, Mn:0.72%, Cr:0.07%, Ni:0.12%, Mo:0.12%, Pd:0.15%, Pt:0.24%, Nd:0.14%, Ce:
0.08%, Eu:0.05%, Lu:0.11%, Au:0.07%, Ag:1.44%, Ga:0.02%, Y:0.23%, Sn:1.24%, Zr:0.05%,
Re:0.03%, surplus Fe.
The beneficial effect of the present invention by adopting the above technical scheme is:
(1) structure of reliable and stable check valve of the invention is simple, by the cooperation of ball sealer, flaring and compressed spring, reaches
The effect for having arrived reversed sealing, when the pressure of the liquid entered from flaring is less than predetermined pressure, compressed spring withstands ball sealer,
Ball sealer is withstood in flaring, and check valve is sealed, and when the pressure of the liquid entered from flaring is greater than predetermined pressure, liquid is opened
Ball sealer, check valve conducting；When limited block side enters liquid, compressed spring withstands ball sealer, and ball sealer is withstood in flaring, will
Check valve sealing, check valve can not be connected；And it seals outer surface of ball and is enclosed with sealing rubber layer, ensure that sealing performance, prevent
It is leaked when only check valve is not turned on；
(2) in reliable and stable check valve of the invention, the outer surface of the sealing rubber layer of ball sealer is coated with corrosion-resistant finishes,
Ball sealer is effectively prevented by the liquid corrosion in pipeline, extends service life；Wherein magnesia, magnesium chloride, aluminium oxide
It is used cooperatively, while guaranteeing free from environmental pollution, the corrosion resistance of ball sealer is effectively increased, so that of the invention
The service life of reliable and stable check valve improves 40-60% than traditional check valve；
(3) contain Sn, Ni, Mn and Al in the valve body raw material of reliable and stable check valve of the invention, strengthen the mechanics of valve body
While intensity, the quality of valve body is alleviated, and improves the corrosion resistance of valve body；
(4) contain rare earth element in the valve body raw material of reliable and stable check valve of the invention, alleviate the quality of valve body, increase
Structural strength and corrosion resistance.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the structural schematic diagram of the reliable and stable check valve of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the ball sealer of the reliable and stable check valve of the embodiment of the present invention；
Wherein: 1- link block, 2- valve body, 3- flaring, 4- ball sealer, 5- compressed spring, 6- limited block, 7- cavity, 8- seal rubber
Glue-line, 9- corrosion-resistant finishes.
Specific embodiment
Embodiment one
The reliable and stable check valve of the present embodiment, as illustrated in fig. 1 and 2, including valve body 2, ball sealer 4, compressed spring 5 and limit
Block 6, valve body 2 are tubulose, are formed with horizontal cavity 7 inside valve body 2, one end in cavity 7 is formed with horn-like flaring 3, cavity
Interior 7 other end is provided with circular limited block 6, and compressed spring 5 is arranged in cavity 7 at limited block 6, compressed spring
5 one end and limited block 6 are affixed, and what ball sealer 4 can move left and right is arranged between the flaring 3 in cavity 7 and compressed spring 5,
The diameter of flaring 3 gradually becomes smaller along the direction far from ball sealer 4, and 4 outer surface of ball sealer is enclosed with sealing rubber layer 8.
The diameter of the ball sealer 4 of the reliable and stable check valve of the present embodiment is less than 3 maximum diameters of flaring, ball sealer 4
Diameter be greater than flaring 3 minimum at diameter.2 both ends of valve body are connected with link block 1, and link block 1 is formed with internal screw thread.Ball sealer 4
The outer surface of sealing rubber layer 8 is coated with corrosion-resistant finishes 9.The outer surface of valve body 2 is provided with fine aluminium coating, the diameter of valve body 2
For 2-10cm.The sealing rubber layer 8 of ball sealer 4 with a thickness of 5-8mm, corrosion-resistant finishes 9 with a thickness of 100-450 μm.
The mass percent of each ingredient in valve body are as follows: C:0.02%, Al:2.16%, Zn:0.82%, Mn:0.55%, Cr:
0.03%, Ni:0.04%, Mo:0.05%, Pd:0.13%, Pt:0.14%, Nd:0.03%, Ce:0.06%, Eu:0.02%, Lu:
0.02%, Au:0.03%, Ag:1.29%, Ga:0.01%, Y:0.11%, Sn:0.77%, Zr:0.02%, Re:0.01%, surplus Fe.
The mass percent of each ingredient in corrosion-resistant finishes are as follows: magnesia: 6.46%, magnesium chloride: 5.12%, fluorographite:
1.29%, methyl methacrylate: 3.41%, butyl acrylate: 2.11%, vinyltriethoxysilane: 1.23%, aluminium oxide:
3.59%, surplus is epoxy resin.
When the pressure of the liquid entered from flaring 3 is less than predetermined pressure, compressed spring 5 withstands ball sealer 4, ball sealer 4
It withstands in flaring 3, check valve is sealed, when the pressure of the liquid entered from flaring 3 is greater than predetermined pressure, liquid opens sealing
Ball 4, check valve conducting；When 6 side of limited block enters liquid, compressed spring 6 withstands ball sealer 4, and ball sealer 4 is withstood in flaring,
Check valve is sealed, check valve can not be connected；And 4 outer surface of ball sealer is enclosed with sealing rubber layer, ensure that sealing performance,
It is leaked when check valve being prevented to be not turned on.
Embodiment two
The structure of the reliable and stable check valve of the present embodiment is basically the same as the first embodiment, as illustrated in fig. 1 and 2, including valve body
2, ball sealer 4, compressed spring 5 and limited block 6, valve body 2 are tubulose, are formed with horizontal cavity 7 inside valve body 2, one in cavity 7
It holds and is formed with horn-like flaring 3,7 other end is provided with circular limited block 6 in cavity, and compressed spring 5 is arranged in cavity 7
At interior close limited block 6, one end of compressed spring 5 and limited block 6 are affixed, and the setting that ball sealer 4 can move left and right is in cavity 7
Flaring 3 and compressed spring 5 between, be flared 3 diameter and gradually become smaller along the direction far from ball sealer 4,4 outer surface of ball sealer
It is enclosed with sealing rubber layer 8.
The diameter of the ball sealer 4 of the reliable and stable check valve of the present embodiment is less than 3 maximum diameters of flaring, ball sealer 4
Diameter be greater than flaring 3 minimum at diameter.2 both ends of valve body are connected with link block 1, and link block 1 is formed with internal screw thread.Ball sealer 4
The outer surface of sealing rubber layer 8 is coated with corrosion-resistant finishes 9.The outer surface of valve body 2 is provided with fine aluminium coating, the diameter of valve body 2
For 2-10cm.The sealing rubber layer 8 of ball sealer 4 with a thickness of 5-8mm, corrosion-resistant finishes 9 with a thickness of 100-450 μm.
The mass percent of each ingredient in valve body are as follows: C:0.04%, Al:3.53%, Zn:1.15%, Mn:0.72%, Cr:
0.07%, Ni:0.12%, Mo:0.12%, Pd:0.15%, Pt:0.24%, Nd:0.14%, Ce:0.08%, Eu:0.05%, Lu:
0.11%, Au:0.07%, Ag:1.44%, Ga:0.02%, Y:0.23%, Sn:1.24%, Zr:0.05%, Re:0.03%, surplus Fe.
The mass percent of each ingredient in corrosion-resistant finishes are as follows: magnesia: 7.53%, magnesium chloride: 5.45%, fluorographite:
1.44%, methyl methacrylate: 3.83%, butyl acrylate: 2.25%, vinyltriethoxysilane: 1.36%, aluminium oxide:
4.05%, surplus is epoxy resin.
When the pressure of the liquid entered from flaring 3 is less than predetermined pressure, compressed spring 5 withstands ball sealer 4, ball sealer 4
It withstands in flaring 3, check valve is sealed, when the pressure of the liquid entered from flaring 3 is greater than predetermined pressure, liquid opens sealing
Ball 4, check valve conducting；When 6 side of limited block enters liquid, compressed spring 5 withstands ball sealer 4, and ball sealer 4 is withstood in flaring 3,
Check valve is sealed, check valve can not be connected；And 4 outer surface of ball sealer is enclosed with sealing rubber layer, ensure that sealing performance,
It is leaked when check valve being prevented to be not turned on.
The present invention is not limited to the above embodiment.All technical solutions formed using equivalent replacement, are all fallen within the present invention and wanted
The protection scope asked.
Claims (10)
1. a kind of reliable and stable check valve, it is characterised in that: including valve body, ball sealer, compressed spring and limited block, the valve
Body is tubulose, and the valve inner is formed with horizontal cavity, and one end in the cavity is formed with horn-like flaring, the cavity
The interior other end is provided with circular limited block, and the compressed spring is arranged in the cavity at the limited block,
One end of the compressed spring and the limited block are affixed, and what the ball sealer can move left and right is arranged in the expansion in the cavity
Between mouth and compressed spring, the diameter of the flaring gradually becomes smaller along the direction far from the ball sealer, outside the ball sealer
It is coated with sealing rubber layer.
2. reliable and stable check valve according to claim 1, it is characterised in that: the diameter of the ball sealer is less than described
It is flared maximum diameter, the diameter of the ball sealer is greater than diameter at the flaring minimum.
3. reliable and stable check valve according to claim 2, it is characterised in that: the valve body both ends are connected with connection
Block, the link block are formed with internal screw thread.
4. reliable and stable check valve according to claim 3, it is characterised in that: the sealing rubber layer of the ball sealer
Outer surface is coated with corrosion-resistant finishes.
5. reliable and stable check valve according to claim 4, it is characterised in that: the outer surface of the valve body is provided with pure
Aluminium coat, the diameter of the valve body are 2-10cm.
6. reliable and stable check valve according to claim 5, it is characterised in that: the sealing rubber layer of the ball sealer
With a thickness of 5-8mm, the corrosion-resistant finishes with a thickness of 100-450 μm.
7. reliable and stable check valve according to claim 6, it is characterised in that: the quality hundred of each ingredient in the valve body
Divide ratio are as follows: C:0.02-0.04%, Al:2.16-3.53%, Zn:0.82-1.15%, Mn:0.55-0.72%, Cr:0.03-0.07%,
Ni:0.04-0.12%, Mo:0.05-0.12%, Pd:0.13-0.15%, Pt:0.14-0.24%, Nd:0.03-0.14%, Ce:
0.06-0.08%, Eu:0.02-0.05%, Lu:0.02-0.11%, Au:0.03-0.07%, Ag:1.29-1.44%, Ga:0.01-
0.02%, Y:0.11-0.23%, Sn:0.77-1.24%, Zr:0.02-0.05%, Re:0.01-0.03%, surplus Fe.
8. reliable and stable check valve according to claim 7, it is characterised in that: each ingredient in the corrosion-resistant finishes
Mass percent are as follows: magnesia: 6.46-7.53%, magnesium chloride: 5.12-5.45%, fluorographite: 1.29-1.44%, metering system
Sour methyl esters: 3.41-3.83%, butyl acrylate: 2.11-2.25%, vinyltriethoxysilane: 1.23-1.36%, aluminium oxide:
3.59-4.05%, surplus are epoxy resin.
9. reliable and stable check valve according to claim 8, it is characterised in that: the quality hundred of each ingredient in the valve body
Divide ratio are as follows: C:0.02%, Al:2.16%, Zn:0.82%, Mn:0.55%, Cr:0.03%, Ni:0.04%, Mo:0.05%, Pd:
0.13%, Pt:0.14%, Nd:0.03%, Ce:0.06%, Eu:0.02%, Lu:0.02%, Au:0.03%, Ag:1.29%, Ga:
0.01%, Y:0.11%, Sn:0.77%, Zr:0.02%, Re:0.01%, surplus Fe.
10. reliable and stable check valve according to claim 8, it is characterised in that: the quality of each ingredient in the valve body
Percentage are as follows: C:0.04%, Al:3.53%, Zn:1.15%, Mn:0.72%, Cr:0.07%, Ni:0.12%, Mo:0.12%, Pd:
0.15%, Pt:0.24%, Nd:0.14%, Ce:0.08%, Eu:0.05%, Lu:0.11%, Au:0.07%, Ag:1.44%, Ga:
0.02%, Y:0.23%, Sn:1.24%, Zr:0.05%, Re:0.03%, surplus Fe.
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| CN201810972949.6A CN109000008A (en) | 2018-08-24 | 2018-08-24 | A kind of reliable and stable check valve |
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| CN201810972949.6A CN109000008A (en) | 2018-08-24 | 2018-08-24 | A kind of reliable and stable check valve |
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| CN109000008A true CN109000008A (en) | 2018-12-14 |
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| CN201810972949.6A Pending CN109000008A (en) | 2018-08-24 | 2018-08-24 | A kind of reliable and stable check valve |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575610A (en) * | 2019-09-26 | 2019-12-17 | 重庆大学附属肿瘤医院 | PTCD drainage-based bile-transfusion intestinal tract kit |
| CN110575609A (en) * | 2019-09-26 | 2019-12-17 | 重庆大学附属肿瘤医院 | external member for bile re-infusing into intestinal tract after external drainage |
| CN110975474A (en) * | 2019-12-05 | 2020-04-10 | 黄玉珍 | New material processing is with separate machine |
| CN111841244A (en) * | 2020-07-22 | 2020-10-30 | 山东津挚环保科技有限公司 | Pressure swing adsorption hydrogen purification system |
| CN113002783A (en) * | 2021-04-08 | 2021-06-22 | 安徽砺德特种动力科技有限公司 | Electric control type pump body, driving device for unmanned aerial vehicle and fluid transmission method |
| CN113685565A (en) * | 2021-10-26 | 2021-11-23 | 徐州盛安化工科技有限公司 | Storage equipment suitable for furan resin and storage method thereof |
| CN113700912A (en) * | 2021-10-26 | 2021-11-26 | 江苏厚水环保技术有限公司 | Spherical surface sealed bottom valve |
| CN114029380A (en) * | 2021-10-18 | 2022-02-11 | 乔克 | Stamping device for processing automobile stamping parts |
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| CN202691175U (en) * | 2012-07-16 | 2013-01-23 | 泉州市沪航阀门制造有限公司 | No-wear ball check valve |
| CN203743523U (en) * | 2014-01-16 | 2014-07-30 | 长安大学 | Adjustable one-way valve |
| CN104455569A (en) * | 2014-11-21 | 2015-03-25 | 广德玉龙泵业有限公司 | Spherical non-wear check valve |
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| CN202691175U (en) * | 2012-07-16 | 2013-01-23 | 泉州市沪航阀门制造有限公司 | No-wear ball check valve |
| CN203743523U (en) * | 2014-01-16 | 2014-07-30 | 长安大学 | Adjustable one-way valve |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575610A (en) * | 2019-09-26 | 2019-12-17 | 重庆大学附属肿瘤医院 | PTCD drainage-based bile-transfusion intestinal tract kit |
| CN110575609A (en) * | 2019-09-26 | 2019-12-17 | 重庆大学附属肿瘤医院 | external member for bile re-infusing into intestinal tract after external drainage |
| CN110575610B (en) * | 2019-09-26 | 2021-11-09 | 重庆大学附属肿瘤医院 | PTCD drainage-based bile-transfusion intestinal tract kit |
| CN110975474A (en) * | 2019-12-05 | 2020-04-10 | 黄玉珍 | New material processing is with separate machine |
| CN111841244A (en) * | 2020-07-22 | 2020-10-30 | 山东津挚环保科技有限公司 | Pressure swing adsorption hydrogen purification system |
| CN113002783A (en) * | 2021-04-08 | 2021-06-22 | 安徽砺德特种动力科技有限公司 | Electric control type pump body, driving device for unmanned aerial vehicle and fluid transmission method |
| CN114029380A (en) * | 2021-10-18 | 2022-02-11 | 乔克 | Stamping device for processing automobile stamping parts |
| CN113685565A (en) * | 2021-10-26 | 2021-11-23 | 徐州盛安化工科技有限公司 | Storage equipment suitable for furan resin and storage method thereof |
| CN113700912A (en) * | 2021-10-26 | 2021-11-26 | 江苏厚水环保技术有限公司 | Spherical surface sealed bottom valve |
| CN113700912B (en) * | 2021-10-26 | 2021-12-31 | 江苏厚水环保技术有限公司 | Spherical surface sealed bottom valve |
| CN113685565B (en) * | 2021-10-26 | 2021-12-31 | 徐州盛安化工科技有限公司 | Storage equipment suitable for furan resin and storage method thereof |
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Application publication date: 20181214 |