CN203332098U - Intercepter valve - Google Patents
Intercepter valve Download PDFInfo
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- CN203332098U CN203332098U CN2013204025808U CN201320402580U CN203332098U CN 203332098 U CN203332098 U CN 203332098U CN 2013204025808 U CN2013204025808 U CN 2013204025808U CN 201320402580 U CN201320402580 U CN 201320402580U CN 203332098 U CN203332098 U CN 203332098U
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Abstract
The utility model relates to an intercepter valve. When an input port S is ventilated, due to the fact that area difference exists between a piston and a control piston, air pressure is generated, the air pressure and elastic force of a compression spring enable the piston to be in the position of an initial stage, the input port S and an output port O are cut off and a microswitch is opened, and corresponding signals are output. When the input port S and a control port P are ventilated, a two-position three-way pre-control solenoid valve is powered on, air in the control port P is guided to the control piston to overcome the elastic force of the compression spring and the acting force of compressed air of the input port S, the input port S and the output port O are connected, the microswitch is closed, and corresponding signals are output. When the two-position three-way pre-control solenoid valve is powered off, compressed air in the cavity of the control piston is exhausted through the exhaust seat of the two-position three-way pre-control solenoid valve, the input port S and the output port O are disconnected and the microswitch is opened under the mutual action of the elastic force of the compression spring and the compressed air of the input port S, and corresponding signals are output. The solenoid valve of the intercepter valve can be powered on for a long time, and is strong in dust proof and water proof capability and high in response speed.
Description
Technical field
The utility model relates to the brake system of guideway vehicle, relates in particular to the intercepter valve (IV) that a kind of opening and closing reservoir is established to the path of train pipe air feed.
Background technology
Intercepter valve (IV) aims to be opened or closes reservoir and establish to the path of train pipe air feed, and it is subject to visitor, lorry change-over valve and alleviates the control of plunger valve from valve.
When the train of locomotive traction is the brake of dress with a remission form, visitor, lorry change-over valve are placed in the lorry position, when the automatic brake valve handle is placed in the first two position (crossing high position, driving position), intercepter valve (IV) is opening, the pressure energy of train pipe along with equalizing reservoir, in all pipe pressure rising and rise and inflate and reach level pressure, if train pipe has while sewing, the electric energy automatic leakage-repairing reaches level pressure.When the automatic brake valve handle is placed in latter four (braking district, over reduction position, handle fetch bit, emergency position), intercepter valve (IV) is closed condition, thereby train pipe can not high gas, and electricity can not mending-leakage.
When the train of locomotive traction, when to be dress be placed in the passenger vehicle position with the brake of graduated release type and visitor, lorry change-over valve, the two-position valve plunger makes shut-off valve tube lead to atmosphere, and intercepter valve (IV) is opening.No matter the automatic brake valve handle is in what position, the pressure air in train pipe all can be supplemented as required at any time.In the braking district, when when the valve handle is successively moved to minimum decompression position by maximum decompression position, the pressure energy of train pipe with equalizing reservoir, in all the stage of pipe pressure rise, for the brake of locomotive control graduated release type provides necessary condition.Intercepter valve (IV) overall dimensions of the prior art is larger, and it is short to lack service life.
The Chinese invention patent that for example application number is 201110385992.0, it discloses a kind of piston type crisis intercepter valve, it comprises valve body, and be sealed in valve gap, the valve seat at the upper and lower two ends of valve body, be arranged on the piston in valve body, described piston through the spring connecting valve seat, described valve gap is provided with the control port of setting out on a journey that is communicated with piston-top surface; Described valve seat is provided with road binders passage, one is communicated with the valve rod connecting bore of lower road binders passage, be provided with one in described valve body for controlling the valve rod of lower road binders passage break-make, upper end and the piston of this valve rod are affixed, and its lower end is stretched into lower road binders passage with movable connection method through the valve rod connecting bore; Described spring has one, and coaxial sleeve is located on valve rod, and its upper end props up piston, and its lower end props up valve seat; Between described valve rod and valve rod connecting bore hole wall, through a dust-proof seal ring, a YX RunddichtringO sealing, this crisis intercepter valve is easy to maintenance, low cost of manufacture, but lacking the electromagnetic valve of automatic control in this crisis intercepter valve, level of security is lower in the course of the work.
The utility model content
The above-mentioned technological deficiency existed in order to solve prior art, the purpose of this utility model is to provide a kind of intercepter valve (IV), and in intercepter valve (IV) of the present utility model, latus rectum is larger, and overall dimensions is less, therefore at in-use performance, with installing, has brought very large raising; Two-position three way pre-control electromagnetic valve can be switched on for a long time, the dustproof and waterproof ability strong, fast response time; Micro-switch is with the signal output function, thereby judges according to signal intercepter valve (IV) is made corresponding switching in which kind of state and by two-position three way pre-control electromagnetic valve; This intercepter valve (IV) integral body has the characteristics of endurance, long service life and high-low temperature resistant, can meet under the long-term use of locomotive and harsh environment and use.
In order to realize above-mentioned design goal, the scheme that the utility model adopts is as follows:
A kind of intercepter valve (IV), comprise valve body and upper valve body, and described valve body is with together with upper valve body is bolted, and be provided with the O RunddichtringO, in described upper valve body, is provided with micro-switch; Valve body is provided with two-position three way pre-control electromagnetic valve.
Preferably, be provided with piston and control plunger in described valve body, control plunger plays good directional tagging in the piston movement process, and this intercepter valve (IV) is better sealed.
In above-mentioned arbitrary scheme, preferably, the cross-sectional area of described piston is greater than the cross-sectional area of control plunger.
Preferably, also be provided with S input port, O delivery port and P on described valve body and control mouth in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme, preferably, described valve body is provided with the location that straight pin is installed for the S input port.
In above-mentioned arbitrary scheme, preferably, described S input port, O delivery port and P control mouth and are equipped with the O RunddichtringO with the junction of valve body.
In above-mentioned arbitrary scheme, preferably, described micro-switch is fixed on mount pad by straight pin.
In above-mentioned arbitrary scheme, preferably, described mount pad is fixed together by slotted cheese head screw and upper valve body.
Preferably, between described slotted cheese head screw and mount pad, be provided with spring shim in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme, preferably, described micro-switch is connected by electric wire and electrical outlets, and this electrical outlets is fixed on upper valve body by slotted cheese head screw.
In above-mentioned arbitrary scheme, preferably, described piston and control plunger are placed in the cavity of valve body.
In above-mentioned arbitrary scheme, preferably, an end of described piston is provided with limit base, and the other end is provided with capping.
In above-mentioned arbitrary scheme, preferably, described capping is fixed on the end of valve body by circlip for bore.
In above-mentioned arbitrary scheme, preferably, the middle part of described capping is provided with seal groove.
In above-mentioned arbitrary scheme, preferably, the junction of described limit base, capping and valve body is equipped with 0 RunddichtringO.
In above-mentioned arbitrary scheme, preferably, described piston is resisted against on the valve body valve port by cylindroid helical-coil compression spring.
In above-mentioned arbitrary scheme, preferably, the material of described cylindroid helical-coil compression spring is 1Cr18Ni9.
In above-mentioned arbitrary scheme, preferably, the middle part of described piston has through hole, and this through hole communicates with the S input port.
In above-mentioned arbitrary scheme, preferably, an end of described piston is provided with seal groove, and middle part is provided with vulcanization of rubber plate, and the other end is provided with step, and neck has little seal groove.
In above-mentioned arbitrary scheme, preferably, the neck of described piston is processed with small stair.
Preferably, on the head of described piston, be processed with screw thread in above-mentioned arbitrary scheme.
Preferably, 1 type hexagonal nut is installed on the screw thread of described head in above-mentioned arbitrary scheme.
Preferably, in described seal groove and little seal groove, be equipped with the O RunddichtringO in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme, preferably, the center of described control plunger has straight hole, and its middle part is processed with groove.
Preferably, in the groove at described control plunger middle part, be provided with the O RunddichtringO in above-mentioned arbitrary scheme.
In above-mentioned arbitrary scheme, preferably, described control plunger is set in by straight hole on the neck of piston, and its end face is resisted against on the step surface of step.
In above-mentioned arbitrary scheme, preferably, described two-position three way pre-control electromagnetic valve is fixed on valve body by pressing plate, and its middle part is provided with mesopore, and top is provided with exhaust seat, on this exhaust seat, has deflation hole.
In above-mentioned arbitrary scheme, preferably, the mesopore of described two-position three way pre-control electromagnetic valve is controlled mouth with P and is communicated.
In above-mentioned arbitrary scheme, preferably, the material of described O RunddichtringO is low temperature resistant government rubber.
In above-mentioned arbitrary scheme, preferably, the material of described upper valve body, valve body, capping, piston, control plunger and limit base is 2A12.
In above-mentioned arbitrary scheme preferably, during described S input port ventilation, because piston and control plunger exist area difference to produce the elastic force of atmospheric pressure and cylindroid helical-coil compression spring, make the position of piston in the starting stage, be that vulcanization of rubber plate in piston contacts sealing with the valve body valve port, S input port and O delivery port block and micro-switch in opening.
In above-mentioned arbitrary scheme preferably, when described S input port and P control the mouth ventilation, give the energising of two-position three way pre-control electromagnetic valve, P is controlled to the gas channeling control plunger of mouth, because control plunger and piston exist area difference to produce atmospheric pressure, can both produce enough large pressure under low pressure or high pressure, elastic force and the compressed-air actuated application force of S input port of cylindroid helical-coil compression spring have been overcome, make piston contact location with limit base, vulcanization of rubber plate in piston and valve body valve port break away from the generation gap simultaneously, make the pressurized air of S input port by this gap and the conducting of O delivery port, micro-switch is in closed condition.
In above-mentioned arbitrary scheme preferably, during described two-position three way pre-control electromagnetic valve outage, pressurized air in the control plunger chamber, by the deflation hole on the exhaust seat of two-position three way pre-control electromagnetic valve, discharged, under cylindroid helical-coil compression spring elastic force and the compressed-air actuated combined action of S input port, make the vulcanization of rubber plate in piston contact sealing with the valve body valve port, S input port and O delivery port block, and micro-switch is in opening.
In sum, in intercepter valve (IV) of the present utility model, latus rectum is larger, and overall dimensions is less, therefore at in-use performance, with installing, has brought very large raising; Two-position three way pre-control electromagnetic valve can switch on for a long time,, fast response time strong with degree of protection, dustproof and waterproof ability; Two-position three way pre-control electromagnetic valve is with the signal output function, thereby judges according to signal intercepter valve (IV) is made corresponding switching in which kind of state and by two-position three way pre-control electromagnetic valve; Micro-switch has the characteristics sensitive, high-low temperature resistant of switching; This intercepter valve (IV) integral body has the characteristics of endurance, long service life and high-low temperature resistant, can meet under the long-term use of locomotive and harsh environment and use.
The accompanying drawing explanation
Fig. 1 is the cutaway view according to intercepter valve (IV) of the present utility model.
Fig. 2 is the lateral plan according to a preferred embodiment of the intercepter valve (IV) shown in Fig. 1 of the present utility model.
Fig. 3 is the birds-eye view according to a preferred embodiment of the intercepter valve (IV) shown in Fig. 1 of the present utility model.
Fig. 4 is the structural representation according to piston in a preferred embodiment of the intercepter valve (IV) shown in Fig. 1 of the present utility model.
Fig. 5 is the structural representation according to control plunger in a preferred embodiment of the intercepter valve (IV) shown in Fig. 1 of the present utility model.
Attached number in the figure:
Mount pad 1, slotted cheese head screw 2, spring shim 3, micro-switch 4, 0 RunddichtringO 5, limit base 6, cylindroid helical-coil compression spring 7, spring perch 8, piston 9, pressing plate 10, control plunger 11, circlip for bore 12, 1 type hexagonal nut 13, capping 14, straight pin 15, valve body 16, straight pin 17, electrical outlets 18, upper valve body 19, standard form spring shim 20, hex bolt 21, two-position three way pre-control electromagnetic valve 22, mesopore 23, exhaust seat 24, deflation hole 25, valve body valve port 26, through hole 31, seal groove 32, vulcanization of rubber plate 33, step 34, little seal groove 35, neck 36, head 37, small stair 38, straight hole 41, groove 42, end face 43.
The specific embodiment
The following description is only exemplary and be not in order to limit the disclosure, application or purposes in essence.The specific embodiment that the utility model spring coil is pressed into to the pressing tool of ball cap below in conjunction with Figure of description is further described.
As shown in Figure 1, according to the cutaway view of intercepter valve (IV) of the present utility model, comprise valve body 16 and upper valve body 19, described valve body 16 is with together with upper valve body 19 is bolted, and is provided with O RunddichtringO 5, in described upper valve body 19, is provided with micro-switch 4; Valve body 16 is provided with two-position three way pre-control electromagnetic valve 22.
The principle of work of intercepter valve (IV) of the present utility model is: when the S input port is ventilated, because piston 9 and control plunger 11 exist area difference to produce the elastic force of atmospheric pressure and cylindroid helical-coil compression spring 7, make the position of piston 9 in the starting stage, S input port and O delivery port block and micro-switch 4 in opening; When S input port and the ventilation of P control mouth, give two-position three way pre-control electromagnetic valve 22 energisings, P is controlled to the gas channeling control plunger 11 of mouth, because control plunger 11 and piston 9 exist area difference to produce atmospheric pressure, produce enough large pressure under low pressure-high pressure, overcome elastic force and the compressed-air actuated application force of S mouth of cylindroid helical-coil compression spring 7, S input port and the conducting of O delivery port, micro-switch 4 is in closed condition; When 22 outage of two-position three way pre-control electromagnetic valve, pressurized air in control plunger 11 chambeies, by the deflation hole 25 on the exhaust seat 24 of two-position three way pre-control electromagnetic valve 22, discharged, under cylindroid helical-coil compression spring 7 elastic force and the compressed-air actuated combined action of S mouth, S input port and O delivery port block, and micro-switch 4 is in opening.
In the present embodiment, be provided with piston 9 and control plunger 11 in described valve body 16.Control plunger 11 plays good directional tagging in piston 9 motion processes, and this intercepter valve (IV) can better be sealed.
In the present embodiment, the cross-sectional area of described piston 9 is greater than the cross-sectional area of control plunger 11.When S input port and P control while mouthful entering pressurized air, give two-position three way pre-control electromagnetic valve 22 energisings, P is controlled to the gas channeling control plunger 11 of mouth, because control plunger 11 and piston 9 exist area difference to produce atmospheric pressure, produce enough large pressure under low pressure-high pressure, overcome the elastic force of cylindroid helical-coil compression spring 7, S input port and the conducting of O delivery port, micro-switch 4 is in closed condition.
In the present embodiment, also be provided with S input port, O delivery port and P on described valve body 16 and control mouth.
In the present embodiment, described valve body is provided with straight pin 17 for location is installed, and prevents that pressurized air from spilling from pore.
In the present embodiment, described S input port is provided with the location that straight pin 17 is installed for the S input port, reduces gas spilling from the S input port.
In the present embodiment, described S input port, O delivery port and P control mouth and are equipped with O RunddichtringO 5 with the junction of valve body 16.In order to reduce or to avoid entering gas in valve body 16 and control and mouthful spill from S input port, O delivery port and P, therefore control mouthful junction with valve body 16 at S input port, O delivery port and P, be equipped with O RunddichtringO 5 and sealed.
In the present embodiment, described micro-switch 4 is fixed on mount pad 1 by slotted cheese head screw 2.
In the present embodiment, be provided with spring shim 3 between described slotted cheese head screw 2 and mount pad 1.There will be loosening phenomenon for fear of slotted cheese head screw after this intercepter valve (IV) longevity of service 2 and mount pad 1, therefore between adds spring shim 3.
As shown in Figure 2, according to the lateral plan of a preferred embodiment of the intercepter valve (IV) shown in Fig. 1 of the present utility model, described mount pad 1 is two rectangular blocks, and it is fixed together by straight pin 15.
In the present embodiment, described micro-switch 4 is two, and in working process, a micro-switch 4 is for work, and another micro-switch 4, in off working state, switches use while preparing against micro-switch 4 et out of order of working in working process.
As shown in Figure 3, according to the birds-eye view of a preferred embodiment of the intercepter valve (IV) shown in Fig. 1 of the present utility model.Described micro-switch 4 is connected by electric wire and electrical outlets 18, and this electrical outlets 18 is fixed on upper valve body 19 by slotted cheese head screw 2.Electrical outlets 18, for connecting the electric wire on micro-switch 4, can spread out of the signal of micro-switch 4 delicately by electrical outlets 18.
In the present embodiment, described valve body 16 and upper valve body 19 link together by 4 hex bolts 21, and are provided with O RunddichtringO 5 in the contact position of valve body 16 and upper valve body 19.For fear of the pressurized air entered in valve body 16, the phenomenon of leaking appears, therefore be provided with O RunddichtringO 5 in the contact position of valve body 16 and upper valve body 19.Be provided with standard form spring shim 20 in hex bolt 21 and the contact position of upper valve body 19.
In the present embodiment, described piston 9 is placed in the valve body valve port 26 of valve body 16 with control plunger 11.
In the present embodiment, an end of described piston 9 is provided with limit base 6, and the other end is valve body valve port 26.Be provided with limit base 6 and the other end is provided with valve body valve port 26 at an end of piston 9, guaranteed like this movement travel of piston.
In the present embodiment, described capping 14 is fixed in valve body 16 grooves by circlip for bore 12.
In the present embodiment, the middle part of described capping 14 is provided with seal groove, and it is for arranging 0 RunddichtringO 5, and the phenomenon of leaking occurs while entering control plunger 11 pressurized air of having avoided like this P to control mouth.
In the present embodiment, described limit base 6, capping 14 are equipped with 0 RunddichtringO 5 with the junction of valve body 16.Avoided like this pressurized air that enters valve body 16 that the phenomenon of leaking occurs.
In the present embodiment, described piston 9 is resisted against on limit base 6 by an end of cylindroid helical-coil compression spring 7.When S input port and the ventilation of P control mouth, give two-position three way pre-control electromagnetic valve 22 energisings, P is controlled to the gas channeling control plunger 11 of mouth, because control plunger 11 and piston 9 exist area difference to produce atmospheric pressure, can both produce enough large pressure under low pressure or high pressure, overcome elastic force and the compressed-air actuated application force of S mouth of cylindroid helical-coil compression spring 7, S input port and the conducting of O delivery port, micro-switch 4 is in closed condition.
In the present embodiment, the material of described cylindroid helical-coil compression spring 7 is 1Cr18Ni9.
1Cr18Ni9 is for there being the austenitic stainless steel of high intensity through cool working.The building decorative parts, improve machine property, anti-burning.Be best suited for self-acting lathe, bolt, nut.Can not produce burn into spot corrosion, corrosion or wearing and tearing.One of material that in corrosion-resistant steel or metallic material for building, intensity is the highest.Because corrosion-resistant steel has good corrosion stability, so it can make structure member for good and all keep the integraty of engineering design.Chromium stainless steel also integrates mechanical strength and deep drawing quality, is easy to the processing and manufacturing of parts, can meet architect and structure design personnel's needs.The steel of the chemical erosion dielectric corrosions such as the weak corrosive medium such as anti-air, steam, water and acid, alkali, salt.Claim again stainless acid resistant steel.In practical application, often the steel of anti-weak corrosive medium corrosion is called to corrosion-resistant steel, and the steel of resistant to chemical media corrosion is called to duriron.Difference due to both in chemical composition, the former not necessarily resistant to chemical media corrosion, the latter generally all has rustless property.Stainless corrosion stability depends on alloying element contained in steel.Chromium is to make corrosion-resistant steel obtain corrosion proof fundamental element, and when in steel, chrome content reaches 12% left and right, the oxygen effect in chromium and corrosive medium, form the very thin fire coat (self-passivation film) of one deck on the steel surface, can stop the matrix of steel further to corrode.Outside dechromisation, alloying element commonly used also has nickel, molybdenum, titanium, niobium, copper, nitrogen etc., to meet the requirement of various uses to corrosion-resistant steel tissue and performance.
As shown in Figure 4, according to the structural representation of piston in a preferred embodiment of the intercepter valve (IV) shown in Fig. 1 of the present utility model, the middle part of described piston 9 has through hole 31, and this through hole 31 communicates with the S input port.When the S input port is ventilated, because piston 9 and control plunger 11 exist area difference to produce the elastic force of atmospheric pressure and cylindroid helical-coil compression spring 7, make the position of piston 9 in the starting stage, valve body valve port 26 blocks sealing with the vulcanization of rubber plate 33 in piston 9, S input port and O delivery port block and micro-switch 4 in opening
In the present embodiment, an end of described piston 9 is provided with seal groove 32, and middle part is provided with vulcanization of rubber plate 33, and the other end is provided with step 34, and neck 36 has little seal groove 35.
In the present embodiment, the neck 36 of described piston 9 is processed with small stair 38, and small stair 38 is spacing and fastening for 1 type hexagonal nut 13.
In the present embodiment, be processed with screw thread on the head 37 of described piston 9.Be processed with screw thread on head 37, limit fixedly control plunger 11 with 1 type hexagonal nut 13 like this, by this thread connecting mode, make installing/dismounting convenient.
In the present embodiment, 1 type hexagonal nut 13 is installed on the screw thread of described head 37.
In the present embodiment, the end face 43 of described control plunger 11 1 ends is resisted against on the step surface of step 34 of piston 9, control plunger 11 is set in the neck 36 of piston 9 and by 1 type hexagonal nut 13, the end face of the other end of control plunger 11 is fixed, in this intercepter valve (IV) working process, control plunger 11 plays the effect of guiding like this, and can not come off from piston 9.
In the present embodiment, be equipped with O RunddichtringO 5 in described seal groove 32 and little seal groove 35.In the course of the work, the pressurized air that enters into the valve body valve port 26 of piston 9 can not spill piston 9, plays good sealing function.
As shown in Figure 5, according to the structural representation of control plunger in a preferred embodiment of the intercepter valve (IV) shown in Fig. 1 of the present utility model, described control plunger 11 center has straight hole 41, and its middle part is processed with groove 42.
In the present embodiment, be provided with O RunddichtringO 5 in the groove 42 at described control plunger 11 middle parts.In the intercepter valve (IV) working process, P can not enter the O delivery port after controlling in the cavity that pressurized air that mouth enters enters into control plunger 11, and the deflation hole 25 on only can the exhaust seat 24 from two-position three way pre-control electromagnetic valve 22 is discharged.
In the present embodiment, described control plunger 11 is set in by straight hole 41 on the neck 36 of piston 9, and its end face 43 is resisted against on the step surface of step 34.
In the present embodiment, described two-position three way pre-control electromagnetic valve 22 is fixed on valve body 16 by pressing plate 10, and its middle part is provided with mesopore 23, and top is provided with exhaust seat 24, on this exhaust seat 24, has deflation hole 25.
In the present embodiment, described two-position three way pre-control electromagnetic valve 22 can be switched on for a long time, realizes that P controls compressed-air actuated break-make in mouth, has corresponding and good sealed characteristic fast.
When 22 outage of two-position three way pre-control electromagnetic valve, pressurized air in control plunger 11 chambeies, by the deflation hole 25 on the exhaust seat 24 of two-position three way pre-control electromagnetic valve 22, discharged, piston 9 is under cylindroid helical-coil compression spring 7 and the compressed-air actuated combined action of S mouth, vulcanization of rubber plate 33 in piston 9 contacts sealing with valve body valve port 12, be that S input port and O delivery port block, micro-switch 4 is in opening.
In the present embodiment, the mesopore 23 of described two-position three way pre-control electromagnetic valve 22 communicates with P control mouthful.In the intercepter valve (IV) working process, P can not enter in the valve body valve port 26 of piston 9 after controlling in the cavity that pressurized air that mouth enters enters into control plunger 11, and the deflation hole 25 on only can the exhaust seat 24 from two-position three way pre-control electromagnetic valve 22 is discharged.
In the present embodiment, the material of described O RunddichtringO 5 is low temperature resistant government rubber.Government rubber claims again butadidenne one acrylic-nitrile rubber, is called for short NBR, mean molecular weight 700,000 left and right.Canescence is to light yellow bulk or powdery solid, relative density 0.95～1.0.Mono-52 ℃ of the government rubber glass temperature Tg=that acrylonitrile content is 26%, mono-47 ℃ of brittle temperature Tb=, and mono-22 ℃ of government rubber glass temperature Tg=that acrylonitrile content is 40%.Solubility parameter δ=8.9～9.9, be dissolved in ethyl acetate, butyl acetate, chlorobenzene, MEK etc.Government rubber has good fuel resistance, and its fuel resistance is only second to thiokol and viton, and the resistance to abrasion had and air-tightness.The shortcoming of government rubber is not anti-ozone and aromatic, halogenated hydrocarbons, ketone and esters solvent, is unfit to do insulating material.Resistance to effect of heat is better than buna-S, poly-chloroprene rubber, can be 120 ℃ of long-term works.Air-tightness is only second to butyl rubber.The performance of government rubber is affected by acrylonitrile content, along with acrylonitrile content increases pulling strengrth, resistance to effect of heat, fuel resistance, air-tightness, hardness, improve, but elasticity, resistance to cold reduces.Government rubber ozone resistance and electrical insulation capability are not good, and fastness to water is better, therefore this intercepter valve (IV) has low temperature resistant characteristic, can under rugged environment, work for a long time, have the characteristics of long service life.
In the present embodiment, the material of described valve seat is H59.The brass of its copper content 59% (tombak), main component is copper, zinc.H59 is the most cheap brass of price, and intensity, hardness is high and plasticity is good, but still can bear well plastic working under hot, and corrosion stability is general, and other performances and H62 are close.
In the present embodiment, the material of described upper valve body 19, valve body 16, capping 14, piston 9, control plunger 11 and limit base 6 is 2A12.
2A12 is the typical Alclad in Al-Cu-Mg, and its composition is more reasonable, and Combination property is better.The characteristics of this alloy are: intensity is high, and certain resistance to effect of heat is arranged, and can be used as the following working part of 150 ° of C.Temperature is higher than 125 ° of C, and going back of intensity ratio 7075 alloys of 2024 alloys is high.Under hot state, annealing and new as-quenched, forming property is all relatively good, and the heat treatment reinforcement effect is remarkable, but Technology for Heating Processing is strict.Non-corrodibility is poor, but coats and can be effectively protected with fine aluminium; Easily crack during welding, but adopt special process to weld, also can rivet.Be widely used in aircaft configuration, rivet, truck hub, propeller element and other all framing members.2A12 aluminum alloy LY12 is domestic material mark, and now changing again 2A12 into is a kind of of deforming aluminium alloy, is Alclad, is mainly aluminum copper alloy.2A12 mechanical property: tensile strength sigma b (MPa): >=390; Offset yield strength σ 0.2 (MPa): >=255; Percentage elongation δ 5 (%): >=12(annotates: the vertical mechanical property of bar room temperature, sample size: diameter of rod, square rod, hexagonal rod inscribed circle diameter≤22), therefore upper valve body 19, valve body 16, capping 14, piston 9, control plunger 11 and limit base 6 have resistant to elevated temperatures characteristics.
In sum, in intercepter valve (IV) of the present utility model, latus rectum is larger, and overall dimensions is less, therefore at in-use performance, with installing, has brought very large raising; Two-position three way pre-control electromagnetic valve 22 can be switched on for a long time, the dustproof and waterproof ability strong, fast response time; Micro-switch 4 is with the signal output function, thereby judges according to signal intercepter valve (IV) is made corresponding switching in which kind of state and by two-position three way pre-control electromagnetic valve 22; Micro-switch 4 has the characteristics sensitive, high-low temperature resistant of switching; The material of the O RunddichtringO 5 in this intercepter valve (IV) is low temperature resistant government rubber, therefore this intercepter valve (IV) integral body has endurance, long service life and low temperature resistant characteristics, can meet under the long-term use of locomotive and harsh environment and use; The material of upper valve body 19, valve body 16, capping 14, piston 9, control plunger 11 and limit base 6 is 2A12, therefore this intercepter valve (IV) integral body has endurance, long service life and resistant to elevated temperatures characteristics, can meet under the long-term use of locomotive and harsh environment and use.
It will be apparent to those skilled in the art that intercepter valve (IV) of the present utility model comprises the combination in any of each several part in this specification sheets.As space is limited and in order to make specification sheets simple and clear, at this, these combinations are not introduced one by one in detail, but, after having seen this specification sheets, the scope of the present utility model that the combination in any of the each several part consisted of this specification sheets forms is self-evident.
Claims (10)
1. an intercepter valve (IV), comprise valve body (16) and upper valve body (19), and described valve body (16) and upper valve body (19) are bolted together, and are provided with O RunddichtringO (5), it is characterized in that: be provided with micro-switch (4) in described upper valve body (19); Valve body (16) is provided with two-position three way pre-control electromagnetic valve (22).
2. intercepter valve (IV) as claimed in claim 1, is characterized in that: be provided with piston (9) and control plunger (11) in described valve body (16).
3. intercepter valve (IV) as claimed in claim 2, it is characterized in that: the cross-sectional area of described piston (9) is greater than the cross-sectional area of control plunger (11).
4. intercepter valve (IV) as claimed in claim 1, is characterized in that: also be provided with S input port, O delivery port and P on described valve body (16) and control mouth.
5. intercepter valve (IV) as claimed in claim 4 is characterized in that: described valve body (16) is provided with the location that straight pin (17) is installed for the S input port.
6. intercepter valve (IV) as claimed in claim 4 is characterized in that: described S input port, O delivery port and P control and mouthful with the junction of valve body (16), are equipped with O RunddichtringO (5).
7. intercepter valve (IV) as claimed in claim 1, it is characterized in that: described micro-switch (4) is fixed on mount pad (1) by straight pin (15).
8. intercepter valve (IV) as claimed in claim 7 is characterized in that: described mount pad (1) is fixed together by slotted cheese head screw (2) and upper valve body (19).
9. intercepter valve (IV) as claimed in claim 8, is characterized in that: between described slotted cheese head screw (2) and mount pad (1), be provided with spring shim (3).
10. intercepter valve (IV) as claimed in claim 1 is characterized in that: described micro-switch (4) is connected by electric wire and electrical outlets (18), and this electrical outlets (18) is fixed on upper valve body (19) by slotted cheese head screw (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204025808U CN203332098U (en) | 2013-07-08 | 2013-07-08 | Intercepter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204025808U CN203332098U (en) | 2013-07-08 | 2013-07-08 | Intercepter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203332098U true CN203332098U (en) | 2013-12-11 |
Family
ID=49700794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204025808U Expired - Fee Related CN203332098U (en) | 2013-07-08 | 2013-07-08 | Intercepter valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203332098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318161A (en) * | 2013-07-08 | 2013-09-25 | 瑞立集团瑞安汽车零部件有限公司 | Interception valve |
-
2013
- 2013-07-08 CN CN2013204025808U patent/CN203332098U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103318161A (en) * | 2013-07-08 | 2013-09-25 | 瑞立集团瑞安汽车零部件有限公司 | Interception valve |
| CN103318161B (en) * | 2013-07-08 | 2015-12-02 | 瑞立集团瑞安汽车零部件有限公司 | A kind of intercepter valve (IV) |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20170708 |