CN104763564A - Oil filter pipe joint - Google Patents
Oil filter pipe joint Download PDFInfo
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- CN104763564A CN104763564A CN201510060556.4A CN201510060556A CN104763564A CN 104763564 A CN104763564 A CN 104763564A CN 201510060556 A CN201510060556 A CN 201510060556A CN 104763564 A CN104763564 A CN 104763564A
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Abstract
The invention discloses an oil filter pipe joint comprising a main body, and a filter element co-axially arranged in the main body, wherein the main body includes an inlet end and an outlet end; screw threads are respectively formed in the outer peripheral faces of inlet and outlet ends; a through hole passes through the main body, the filter element comprises an oil inlet and an oil outlet and matches with the through hole; a plurality of first filter tanks are respectively formed in the outer peripheral face of the oil inlet of the filter element and extended along the axial direction of the filter element, and a plurality of second filter tanks are respectively formed in the outer peripheral face of the oil outlet of the filter element and extended along the axial direction of the filter element; the main body is made of corrosion-resistant stainless steel parts. The oil filter pipe joint is simple in structure and rational in design; fuel oil can be effectively filtered according to structural design of the first and second filter tanks and location distribution, so that the purity of the fuel oil can be further improved, and an engine is reduced in abrasion; besides the oil filter pipe joint is good in mechanical property, corrosion resistance and wear resistance.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of oil-filtering pipe joint, particularly a kind of oil-filtering pipe joint for automobile fuel oil filter.
Background technique
Automobile filter generally includes air-strainer, air-conditioning filter cleaner, oil filter and fuel filter, the effect of fuel filter is the fuel (gasoline, diesel oil) required for filtering engine burning, stop the foreign matter brought in fuel to enter motor as dust, metal powder, moisture content organic substance etc., prevent engine scuffing and cause the obstruction of oil supply system.
Fuel filter is connected with oil nozzle usually, by the fuel delivery after filtering to oil nozzle, then send into motor and burn, fuel filter is connected with oil nozzle by pipe joint, pipe seal of the prior art is poor, does not have filtering function or poor filtration effect.
In sum, for solving the structural deficiency of the existing oil-filtering pipe joint for automobile fuel oil filter, need to design a kind of reasonable in design, oil-filtering pipe joint that oil strain is effective.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of reasonable in design, oil-filtering pipe joint that oil strain is effective.
Object of the present invention realizes by following technical proposal: a kind of oil-filtering pipe joint, comprise body and be coaxially arranged on intrinsic filter core, described body has entry end and outlet end, at body entry end, the outer circumferential face of outlet end offers screw thread respectively, run through in body and offer through hole, described through hole and body coaxially arrange and are each passed through the entry end of body, outlet end, described filter core includes hydraulic fluid port and oil outlet and filter core and through hole are equipped with, described oil outlet is positioned at through hole, described oiler stretches out outside the entry end of body, some first filter pockets extended along filter core axial direction are evenly offered at the outer circumferential face of filter core oiler, some second filter pockets extended along filter core axial direction are evenly offered at the outer circumferential face of filter core oil outlet, each first filter pocket is all between two the second filter pockets, each second filter pocket is all between two the first filter pockets, the length of the second filter pocket is less than the length of the first filter pocket, the length of the first filter pocket is less than the length of filter core and the length of the second filter pocket is greater than the length of filter core 1/2nd,
Described body is corrosion-resistant stainless steel product and stainlessly mainly consists of (wt.%), C:0.05 ~ 0.09%; Silicon carbide: 20 ~ 30%; Mn:0.30 ~ 0.50%; Cr:15.3 ~ 17.5%; Al:0.03 ~ 0.08%; Mo:0.15 ~ 0.25%; Ni:5-7%; N:0.3-0.7%; Carbon fiber short fiber 0.8-1.5%; Si:0.25-0.4%; W:0.8-1.2%; Surplus is Fe and inevitable impurity, and wherein silicon carbide is crystal whisker materials and micromeritics material mixture.This programme regulates the mechanical property of joint by the silicon carbide with outstanding mechanical property regulating power by high hardness and high strength in stainless steel material, thus improve its distortion significantly, bending, the mechanical propertys such as wearing and tearing, coordinate the carbon fiber short fiber with longer size and silicon carbide whisker form line style microstructure in steel thus in structure of steel product system, form the line style grating system of length cooperation simultaneously, the island system simultaneously formed with micromeritics material, thus can by the line style level distribution structure (silicon carbide whisker in system, Mean length 100 nanometer-1 micron and carbon fiber short fiber, Mean length 10-20 micron) and island structure (micromeritics material, Mean particle diameter 3-5 micron) play carbon tissue in connection steel, crackle, crystal boundary and crystalline structure, carbide transition tissue can also be formed by organizing carburizing and dopant material surface carbonation simultaneously, thus greatly strengthen and improve Stress transmit and the stress decay ability of microstructure in steel, reduce defect sturcture to the impact of mechanical property, to reach the flexural property strengthening joint, wear-resisting property, polishing machine and delay the object of material aging, silicon and molybdenum, tungsten, the combinations such as chromium, drastically increase stainless steel and comprise acid impurities under oiliness environment, the erosion of the corrosive materials such as sulphur phosphorus nitrogen element compound and oxide thereof or active substance, thus significantly improve the corrosion resistance of stainless steel in this programme and oxidation resistant effect.
In above-mentioned a kind of oil-filtering pipe joint, in silicon carbide, crystal whisker materials adding quantity accounts for the 5-15% of silicon carbide gross mass.By adding appropriate silicon carbide whisker in steel, (silicon carbide density is about 3.2g/cm to this programme
3, carbon fiber density is about 1.8g/cm
3), thus can when suitably adding silicon carbide whisker, the collaborative doping reducing silicon carbide hard material is formed on the impact of steel toughness with the micro-structure of silicon carbide whisker and micro-grain structure, hardness and the rigidity of material can be improved again simultaneously, avoid again filtering excessive short fibre structure (whisker) simultaneously and add the linear structure of impact formation to the Tandem mass of the in-house carbon tissue of steel, crackle, crystal boundary and crystalline structure and effect.
In above-mentioned a kind of oil-filtering pipe joint, crystal whisker materials in corrosion-resistant stainless steel, micromeritics material and carbon fiber short fiber are that mixture-aid agent once mixes in alcohol vapour atmosphere at normal temperatures with ethanol, to add by steel other again and form common ready-made alloy grain material secondary mixing, after mixing, obtain qualified body after row melting strand and reprocessing again.Be that cosolvent is to crystal whisker materials with ethanol in this programme, micromeritics material and carbon fiber short fiber carry out mixed once premix, thus to make the dopant material of various form, quality stable homogeneous is uniformly mixed to form to the Homogeneous phase mixing that realizes of doping material, volume structure disperses consistent mixture, so that become the distribution of stable homogeneous in the steel material formed, also be convenient to rapidly and efficiently disperse with the alloy grain of other component of steel in secondary mixing simultaneously, thus be conducive to the mass stability and the homogeneity that improve material, avoid because quality is inconsistent and Organizational Structure dispersion is inconsistent and form defect, thus improve the mechanical property of equipment, wear resistance and working life.
In above-mentioned a kind of oil-filtering pipe joint, during mixed once, the adding quantity of mixture-aid agent ethanol is the 20-30% of silicon carbide and carbon fiber short fiber total volume.This programme by adding the ethanol of silicon carbide and carbon fiber short fiber total volume 20-30% as mixture-aid agent in mixed once, both can ensure that inclusion was hybrid and can have good mobile performance---silicon carbide whisker, silicon carbide microcrystalline grain and carbon fiber short fiber can successfully flow in mixed process, promote to mix (adding quantity is excessive, easily layering occurs), surface contaminants and other high volatility impurities can be eliminated again in cleaning process simultaneously, know the impurity in gap or hole, be beneficial to inclusion and steel material and combination, reduce interfacial stress, the low molecule impurity existed in carbon fiber can also be leached simultaneously, thus form small leaching hole or hole, to strengthen carbon fiber with metallic material directly in conjunction with effect.
In above-mentioned a kind of oil-filtering pipe joint, also supplement during secondary mixing and add mixture-aid agent to the 10-20% accounting for crystal whisker materials, micromeritics material, carbon fiber short fiber and alloy grain material total volume.This programme has added enough mixture-aid agents after utilizing mixed once, so when secondary mixes then without the need to adding larger amount, simultaneously when mixing, crystal whisker materials, micromeritics material, carbon fiber short fiber are mixed and infiltrate fully through mixed once, more easy in follow-up mixing, so only need when secondary mixes suitably to supplement, reduce the consumption to mixture-aid agent, can also reuse mixture-aid agent ethanol simultaneously, reduce raw-material processing cost.
In above-mentioned a kind of oil-filtering pipe joint, each first filter pocket, the all V-shaped setting of shape of cross section of each second filter pocket, each first filter pocket away from oiler one end two madial walls between distance reduce until be zero and each first filter pocket increases until equal the length of filter core radius away from the bottom of oiler one end to the distance of filter core shaft axis gradually gradually, each second filter pocket away from oil outlet one end two madial walls between distance reduce gradually until be zero and each second filter pocket increases until equal the length of filter core radius to the distance of filter core shaft axis gradually away from the bottom of oil outlet one end.
In above-mentioned a kind of oil-filtering pipe joint, in the middle part of the oil outlet exterior edge face of filter core, offer cone tank.
In above-mentioned a kind of oil-filtering pipe joint, the screw thread of described entry end is the first screw thread, and the screw thread of described outlet end is the second screw thread, and described first screw thread and pitch of first screw thread equal with the nominal diameter of the second screw thread is greater than the pitch of the second screw thread.
In above-mentioned a kind of oil-filtering pipe joint, in the middle part of described outside, outwardly convex forms reinforcing part, and described reinforcing part is that hexagon nut shape is arranged near one end of entry end, offers tool withdrawal groove respectively in reinforcing part both sides.
Compared with prior art, structure of the present invention is simple, reasonable in design, adopts the structural design of the first filter pocket and the second filter pocket and position distribution can effective filter fuel, improves the purity of fuel oil further, reduces the wearing and tearing to motor.
Accompanying drawing explanation
Fig. 1 is the sectional view of a preferred embodiment of the present invention.
Fig. 2 is the structural representation of filter core in a preferred embodiment of the present invention.
Fig. 3 is the sectional view of Fig. 2.
Fig. 4 is the structural representation at another visual angle of Fig. 2.
Fig. 5 is the sectional view of Fig. 4.
In figure, 10, body; 11, entry end; 12, outlet end; 13, through hole; 14, reinforcing part; 15, tool withdrawal groove; 20, filter core; 21, oiler; 211, the first filter pocket; 22, oil outlet; 221, the second filter pocket; 23, cone tank.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figures 1 to 5, this oil-filtering pipe joint comprises body 10 and is coaxially arranged on the filter core 20 in body 10, body 10 has entry end 11 and outlet end 12, at body 10 entry end 11, the outer circumferential face of outlet end 12 offers screw thread respectively, run through in body 10 and offer through hole 13, through hole 13 and body 10 be coaxial to be arranged and is each passed through the entry end 11 of body 10, outlet end 12, filter core 20 includes hydraulic fluid port 21 and oil outlet 22 and filter core 20 and through hole 13 are equipped with, oil outlet 22 is positioned at through hole 13, oiler 21 stretches out outside the entry end 11 of body 10, multiple first filter pockets 211 extended along filter core 20 axial direction are evenly offered at the outer circumferential face of filter core 20 oiler 21, multiple second filter pockets 221 extended along filter core 20 axial direction are evenly offered at the outer circumferential face of filter core 20 oil outlet 22, each first filter pocket 211 is all between two the second filter pockets 221, each second filter pocket 221 is all between two the first filter pockets 211, the length of the second filter pocket 221 is less than the length of the first filter pocket 211, the length of the first filter pocket 211 is less than the length of filter core 20 and the length of the second filter pocket 221 is greater than the length of filter core 1/20th 2.
In the course of conveying of vehicle fuel, fuel from fuel tank is pressed onto transport pipe by oil pump, device, oil nozzle enter motor after filtration, and owing to there is much impurity at the beginning in fuel oil, such fuel oil can produce wearing and tearing to motor in motor combustion, affect the normal traveling of automobile, also can shorten the life-span of motor, in order to avoid this phenomenon occurs, the fuel oil of automobile all can filter through fuel filter, ensure the fuel oil purity entering motor, be more beneficial to the work of motor.
This oil-filtering pipe joint is after filter fuel, and fuel oil enters oil nozzle.Fuel oil enters from the entry end 11 of body 10, flows out from outlet end 12, and because filter core 20 is fixedly mounted in through hole 13, namely fuel oil flows into from the oiler 21 of filter core 20, through the filtration of filter core 20, then enters oil nozzle from oil outlet 22 outflow of filter core 20.
The offering of first filter pocket 211, second filter pocket 221 is convenient to fuel oil and is carried in through hole 13, the wherein oiler 21 of filter core 20 and through hole 13 interference fit, fuel oil can only enter filter core 20 by each first filter pocket 211, with through hole 13 Spielpassung in the middle part of filter core 20, because this gap is very little, the fuel oil fluid that size is 0.01mm rank can be filtered.Each first filter pocket 211 is crisscross arranged with each second filter pocket 221, fluid can flow into gap between filter core 20 and through hole 13 from each first filter pocket 211, flow into each second filter pocket 221 again, finally flow out from each second filter pocket 221, impurity has just been left in through hole 13 in this process, achieves effective filtration of fuel oil.
The length of the second filter pocket 221 is greater than the length of filter core 1/20th 2 and is less than the length of the first filter pocket 211, the length of the first filter pocket 211 is less than the length of filter core 20, such structural design can ensure that fluid is filled between filter core 20 and through hole 13, fully filters, and reaches desirable filtering effect.
Further preferably, each first filter pocket 211, the all V-shaped setting of shape of cross section of each second filter pocket 221, each first filter pocket 211 away from oiler 21 one end two madial walls between distance reduce until be zero and each first filter pocket 211 increases until equal the length of filter core 20 radius away from the bottom of oiler 21 one end to the distance of filter core 20 shaft axis gradually gradually, each second filter pocket 221 away from oil outlet 22 one end two madial walls between distance reduce gradually until be zero and each second filter pocket 221 increases until equal the length of filter core 20 radius to the distance of filter core 20 shaft axis gradually away from the bottom of oil outlet 22 one end.
On this filter core 20, the quantity of the first filter pocket 211 is three, and the quantity of the second filter pocket 221 is also three, and as shown in Figure 5, on the sectional view in the middle part of filter core 20, three the first filter pockets 211 and three the second filter pockets 221 are evenly and be distributed on filter core 20 outer circumferential face.Each first filter pocket 211 away from oiler 21 one end two madial walls between distance reduce until be zero and each first filter pocket 211 increases until equal the length of filter core 20 radius away from the bottom of oiler 21 one end to the distance in filter core 20 axle center gradually gradually, be designed with a progressive formation like this, the flowing of available buffer fluid, is convenient to fluid and progresses in flow process between filter core 20 and through hole 13 and carry out filtration work.Second filter pocket 221 and the first filter pocket 211 structural similarity, just length is less than the length of the first filter pocket 211, being arranged in filter process of second filter pocket 221 can play auxiliary effect, be more conducive to the filtration work of fluid, provide passage also in addition the conveying of fluid, the fluid filtered is sent into oil nozzle.
Preferably, in the middle part of oil outlet 22 exterior edge face of filter core 20, cone tank 23 is offered.The setting of cone tank 23 is to have an effect of locating when being connected with other component to body 10, ensures the accuracy of link position, guarantees stable installation, be more beneficial to the conveying of fluid.
Preferably, the screw thread of entry end 11 is the first screw thread, and the screw thread of outlet end 12 is the second screw thread, and the first screw thread and pitch of first screw thread equal with the nominal diameter of the second screw thread is greater than the pitch of the second screw thread.Because the pitch of fine thread is little, lift angle is little, and self-locking property is better, is generally not used in large stressed work, is usually used in small part thin walled tube, is mainly used in location, adjusts, fixes etc. purposes.Therefore, adopt fine thread at outlet end 12, ensure further body 10 with can accurate positioning during other position components, and the requirement of strength of entry end 11 is higher, therefore adopts coarse thread at entry end 11.
It is worth mentioning that, screw thread is herein v thread, and the self-locking property of V thread screw is good.The pitch of the first screw thread is greater than the pitch of the second screw thread, and when nominal diameter is equal, the first screw thread is coarse thread, second screw thread is fine thread, because the requirement of strength of entry end 11 is higher, therefore adopt coarse thread at entry end 11, adopt fine thread at outlet end 12.The pitch of fine thread is little, and lift angle is little, and self-locking property is better, be generally not used in large stressed work, be usually used in small part thin walled tube, be mainly used in location, adjustment, fix etc. purposes.
Further preferably, in the middle part of body 10 outer side surface, outwardly convex forms reinforcing part 14, and reinforcing part 14 is that hexagon nut shape is arranged near one end of entry end 11, offers tool withdrawal groove 15 respectively in reinforcing part 14 both sides.
The intensity of the whole oil-filtering pipe joint self that the setting of reinforcing part 14 can strengthen in a degree, avoids being damaged in work for a long time.Reinforcing part 14 is that hexagon nut shape is arranged near one end of entry end 11, being convenient to staff and this oil-filtering pipe joint and other component being linked together, can adopt the assistant tools such as spanner when being rotatably connected, convenient laborsaving.The setting of tool withdrawal groove 15 is to be convenient to withdrawing man-hour adding, ensureing that processing puts in place, and ensures to be close to the end face of adjacent parts when assembling, be install more tight, stablize.
This oil-filtering pipe joint in an initial condition, fuel oil fluid enters filter core 20 from oiler 21, enter three the first filter pockets 211, filter between filter core 20 and through hole 13, then enter three the second filter pockets 221, then flow out this oil-filtering pipe joint by three the second filter pockets 221, enter oil nozzle, finally be delivered to motor, burn and produce power.Whole oil-filtering pipe joint structure is simple, reasonable in design and oil strain is effective.
All components melting all in advance in following examples in raw material except silicon carbide and carbon fiber short fiber also makes alloy grain.Crystal whisker materials in silicon carbide, micromeritics material and carbon fiber short fiber are that mixture-aid agent once mixes (adding quantity of ethanol is the 20-30% of silicon carbide and carbon fiber short fiber total volume) in alcohol vapour atmosphere at normal temperatures with ethanol, to add by steel other again and form common ready-made alloy grain material secondary mixing (supplement and add mixture-aid agent to the 10-20% accounting for crystal whisker materials, micromeritics material, carbon fiber short fiber and alloy grain material total volume), after mixing, obtain qualified joint after row melting strand and reprocessing again.
Embodiment 1
In the present embodiment, the main material of body consists of (wt.%) C:0.05%; Silicon carbide: 25%; Mn:0.30%; Cr:16.2%; Al:0.08%; Mo:0.15%; Ni:6%; N:0.4%; Carbon fiber short fiber 0.8%; Si:0.4%; W:1.0%; Surplus is Fe and inevitable impurity, and wherein silicon carbide is crystal whisker materials and micromeritics material mixture, and crystal whisker materials adding quantity accounts for 5% of silicon carbide gross mass.During mixed once, the adding quantity of ethanol is 20% of silicon carbide and carbon fiber short fiber total volume; Supplement during secondary mixing and add mixture-aid agent to accounting for 20% of crystal whisker materials, micromeritics material, carbon fiber short fiber and alloy grain material total volume.
The surface hardness HRC34 of body, tensile strength 1300MPa, yield strength 1020MPa in the present embodiment; Shaping rear sampling 1000, uses 10000 hours continuously, and surface is without obviously corrosion.
Embodiment 2
In the present embodiment, the main material of body consists of (wt.%) C:0.06%; Silicon carbide: 20%; Mn:0.50%; Cr:15.7%; Al:0.03%; Mo:0.20%; Ni:5%; N:0.5%; Carbon fiber short fiber 0.9%; Si:0.25%; W:1.2%; Surplus is Fe and inevitable impurity, and wherein silicon carbide is crystal whisker materials and micromeritics material mixture, and crystal whisker materials adding quantity accounts for 10% of silicon carbide gross mass.During mixed once, the adding quantity of ethanol is 25% of silicon carbide and carbon fiber short fiber total volume; Supplement during secondary mixing and add mixture-aid agent to accounting for 17% of crystal whisker materials, micromeritics material, carbon fiber short fiber and alloy grain material total volume.
The surface hardness HRC34 of body, tensile strength 1250MPa, yield strength 980MPa in the present embodiment, shaping rear sampling 1000, uses 10000 hours continuously, and surface is without obviously corrosion.
Embodiment 3
In the present embodiment, the main material of body consists of (wt.%) C:0.07%; Silicon carbide: 28%; Mn:0.40%; Cr:17.5%; Al:0.05%; Mo:0.25%; Ni:7%; N:0.7%; Carbon fiber short fiber 1.2%; Si:0.3%; W:0.8%; Surplus is Fe and inevitable impurity, and wherein silicon carbide is crystal whisker materials and micromeritics material mixture, and crystal whisker materials adding quantity accounts for 15% of silicon carbide gross mass.During mixed once, the adding quantity of ethanol is 30% of silicon carbide and carbon fiber short fiber total volume; Supplement during secondary mixing and add mixture-aid agent to accounting for 15% of crystal whisker materials, micromeritics material, carbon fiber short fiber and alloy grain material total volume.
The surface hardness HRC34 of body, tensile strength 1330MPa, yield strength 1000MPa in the present embodiment, shaping rear sampling 1000, uses 10000 hours continuously, and surface is without obviously corrosion.
Embodiment 4
In the present embodiment, the main material of body consists of (wt.%) C:0.08%; Silicon carbide: 30%; Mn:0.35%; Cr:15.3%; Al:0.06%; Mo:0.23%; Ni:6.5%; N:0.6%; Carbon fiber short fiber 1.5%; Si:0.35%; W:0.9%; Surplus is Fe and inevitable impurity, and wherein silicon carbide is crystal whisker materials and micromeritics material mixture, and crystal whisker materials adding quantity accounts for 13% of silicon carbide gross mass.During mixed once, the adding quantity of ethanol is 22% of silicon carbide and carbon fiber short fiber total volume; Supplement during secondary mixing and add mixture-aid agent to accounting for 10% of crystal whisker materials, micromeritics material, carbon fiber short fiber and alloy grain material total volume.
The surface hardness HRC34 of body, tensile strength 1100MPa, yield strength 900MPa in the present embodiment, shaping rear sampling 1000, uses 10000 hours continuously, and surface is without obviously corrosion.
Embodiment 5
In the present embodiment, the main material of body consists of (wt.%) C:0.09%; Silicon carbide: 23%; Mn:0.45%; Cr:16.6%; Al:0.04%; Mo:0.18%; Ni:5.5%; N:0.3%; Carbon fiber short fiber 1.4%; Si:0.32%; W:1.1%; Surplus is Fe and inevitable impurity, and wherein silicon carbide is crystal whisker materials and micromeritics material mixture, and crystal whisker materials adding quantity accounts for 8% of silicon carbide gross mass.During mixed once, the adding quantity of ethanol is 27% of silicon carbide and carbon fiber short fiber total volume; Supplement during secondary mixing and add mixture-aid agent to accounting for 13% of crystal whisker materials, micromeritics material, carbon fiber short fiber and alloy grain material total volume.
The surface hardness HRC34 of body, tensile strength 1300MPa, yield strength 1010MPa in the present embodiment, shaping rear sampling 1000, uses 10000 hours continuously, and surface is without obviously corrosion.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (9)
1. an oil-filtering pipe joint, comprise body and be coaxially arranged on intrinsic filter core, it is characterized in that, described body has entry end and outlet end, at body entry end, the outer circumferential face of outlet end offers screw thread respectively, run through in body and offer through hole, described through hole and body coaxially arrange and are each passed through the entry end of body, outlet end, described filter core includes hydraulic fluid port and oil outlet and filter core and through hole are equipped with, described oil outlet is positioned at through hole, described oiler stretches out outside the entry end of body, some first filter pockets extended along filter core axial direction are evenly offered at the outer circumferential face of filter core oiler, some second filter pockets extended along filter core axial direction are evenly offered at the outer circumferential face of filter core oil outlet, each first filter pocket is all between two the second filter pockets, each second filter pocket is all between two the first filter pockets, the length of the second filter pocket is less than the length of the first filter pocket, the length of the first filter pocket is less than the length of filter core and the length of the second filter pocket is greater than the length of filter core 1/2nd,
Described body is corrosion-resistant stainless steel product and stainlessly mainly consists of (wt.%), C:0.05 ~ 0.09%; Silicon carbide: 20 ~ 30%; Mn:0.30 ~ 0.50%; Cr:15.3 ~ 17.5%; Al:0.03 ~ 0.08%; Mo:0.15 ~ 0.25%; Ni:5-7%; N:0.3-0.7%; Carbon fiber short fiber 0.8-1.5%; Si:0.25-0.4%; W:0.8-1.2%; Surplus is Fe and inevitable impurity, and wherein silicon carbide is crystal whisker materials and micromeritics material mixture.
2. oil-filtering pipe joint according to claim 1, is characterized in that, in described silicon carbide, crystal whisker materials adding quantity accounts for the 5-15% of silicon carbide gross mass.
3. oil-filtering pipe joint according to claim 1, it is characterized in that, crystal whisker materials in described corrosion-resistant stainless steel, micromeritics material and carbon fiber short fiber are that mixture-aid agent once mixes in alcohol vapour atmosphere at normal temperatures with ethanol, to add by steel other again and form common ready-made alloy grain material secondary mixing, after mixing, obtain qualified body after row melting strand and reprocessing again.
4. oil-filtering pipe joint according to claim 3, is characterized in that, during described mixed once, the adding quantity of mixture-aid agent ethanol is the 20-30% of silicon carbide and carbon fiber short fiber total volume.
5. oil-filtering pipe joint according to claim 3, is characterized in that, also supplements and add mixture-aid agent to the 10-20% accounting for crystal whisker materials, micromeritics material, carbon fiber short fiber and alloy grain material total volume during described secondary mixing.
6. oil-filtering pipe joint according to claim 1, it is characterized in that, described each first filter pocket, the all V-shaped setting of shape of cross section of each second filter pocket, each first filter pocket away from oiler one end two madial walls between distance reduce until be zero and each first filter pocket increases until equal the length of filter core radius away from the bottom of oiler one end to the distance of filter core shaft axis gradually gradually, each second filter pocket away from oil outlet one end two madial walls between distance reduce gradually until be zero and each second filter pocket increases until equal the length of filter core radius to the distance of filter core shaft axis gradually away from the bottom of oil outlet one end.
7. oil-filtering pipe joint according to claim 1, is characterized in that, describedly in the middle part of the oil outlet exterior edge face of filter core, also offers cone tank.
8. oil-filtering pipe joint according to claim 1, it is characterized in that, the screw thread of described entry end is the first screw thread, and the screw thread of described outlet end is the second screw thread, and described first screw thread and pitch of first screw thread equal with the nominal diameter of the second screw thread is greater than the pitch of the second screw thread.
9. oil-filtering pipe joint according to claim 1, is characterized in that, in the middle part of described outside, outwardly convex forms reinforcing part, and described reinforcing part is that hexagon nut shape is arranged near one end of entry end, offers tool withdrawal groove respectively in reinforcing part both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060556.4A CN104763564A (en) | 2015-02-05 | 2015-02-05 | Oil filter pipe joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060556.4A CN104763564A (en) | 2015-02-05 | 2015-02-05 | Oil filter pipe joint |
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| CN104763564A true CN104763564A (en) | 2015-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546461A (en) * | 2021-08-30 | 2021-10-26 | 中国航发贵阳发动机设计研究所 | Screw thread fuel oil filter structure |
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