CN103318161B - A kind of intercepter valve (IV) - Google Patents
A kind of intercepter valve (IV) Download PDFInfo
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- CN103318161B CN103318161B CN201310284022.0A CN201310284022A CN103318161B CN 103318161 B CN103318161 B CN 103318161B CN 201310284022 A CN201310284022 A CN 201310284022A CN 103318161 B CN103318161 B CN 103318161B
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Abstract
The present invention relates to intercepter valve (IV).When S input port is ventilated, produce the elastic force of atmospheric pressure, Compress Spring because piston and control plunger exist difference in areas, make piston be in the position of starting stage, S input port and O delivery port block and micro-switch is opened, and export corresponding signal; When S input port and P control mouth ventilate time, to two-position three way pre-control solenoid valves, P is controlled implication guiding control plunger, overcome Compress Spring elastic force and the compressed-air actuated application force of S input port, S input port and the conducting of O delivery port, micro-switch is closed, and exports corresponding signal; When the electromagnetic valve power-off of two-position three way pre-control, pressurized air in control plunger chamber, is discharged, under Compress Spring elastic force and the compressed-air actuated combined action of S input port by the exhaust seat of two-position three way pre-control electromagnetic valve, S input port and O delivery port block and micro-switch is opened, and export corresponding signal.The electromagnetic valve of this intercepter valve (IV) can be energized for a long time, dustproof and waterproof ability strong, fast response time.
Description
Technical field
The present invention relates to the brake system of guideway vehicle, particularly relate to a kind of intercepter valve (IV) opening and closing reservoir and establish to the path of train pipe air feed.
Background technology
Intercepter valve (IV) aims at unlatching or cuts out reservoir and establishes to the path of train pipe air feed, and it is by visitor, lorry change-over valve and the control alleviating plunger valve from valve.
When the train of locomotive traction fills the brake with a remission form, visitor, lorry change-over valve are placed in lorry position, when 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 when sewing, electric energy automatic leakage-repairing reaches level pressure.When 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, and thus train pipe can not high gas, and electricity can not mending-leakage.
When the train of locomotive traction is the brake of dress graduated release type and visitor, lorry change-over valve are placed in passenger vehicle position, two-position valve plunger makes shut-off valve tube lead to air, and intercepter valve (IV) is opening.No matter automatic brake valve handle is in what position, the pressure air in train pipe all can be supplemented as required at any time.In braking district, when successively being moved to minimum decompression position by maximum decompression position from valve handle, the pressure energy of train pipe with equalizing reservoir, in stage of equal pipe pressures rise and rise, the brake for locomotive control graduated release type provides necessary condition.Intercepter valve (IV) overall dimensions of the prior art is comparatively large, and it is short to lack service life.
Such as application number is the Chinese invention patent of 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 spring connecting valve seat, described valve gap is provided with and is communicated with the control port of setting out on a journey of piston-top surface; Described valve seat is provided with road binders passage, the valve rod connecting bore of the lower road binders passage of one connection, 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 stretches into lower road binders passage with movable connection method through 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; Seal through a dust-proof seal ring, a YX RunddichtringO between described valve rod and valve rod connecting bore hole wall, this crisis intercepter valve is easy to maintenance, low cost of manufacture, but lacks the electromagnetic valve automatically controlled in this crisis intercepter valve, and level of security is lower in the course of the work.
Summary of the invention
In order to solve the above-mentioned technological deficiency that prior art exists, the object of the present invention is to provide a kind of intercepter valve (IV), in intercepter valve (IV) of the present invention, latus rectum is comparatively large, and overall dimensions is less, therefore brings very large raising at in-use performance with installing; Two-position three way pre-control electromagnetic valve can be energized for a long time, dustproof and waterproof ability strong, fast response time; According to signal, micro-switch with signal output function, thus judges which kind of state intercepter valve (IV) is in and makes corresponding switching by two-position three way pre-control electromagnetic valve; This intercepter valve (IV) entirety has the feature of endurance, long service life and high-low temperature resistant, uses under can meeting locomotive Long-Time Service and harsh environment.
In order to realize above-mentioned design goal, the scheme that the present invention adopts is as follows:
A kind of intercepter valve (IV), comprises valve body and upper valve body, together with described valve body is bolted with upper valve body, and is provided with O RunddichtringO, is provided with micro-switch in described upper valve body; 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 piston movement process, and this intercepter valve (IV) is better sealed.
In above-mentioned either a program preferably, the cross-sectional area of described piston is greater than the cross-sectional area of control plunger.
In above-mentioned either a program preferably, upper S input port, O delivery port and the P of being also provided with of described valve body controls mouth.
In above-mentioned either a program preferably, described valve body is provided with the location that straight pin is installed for S input port.
In above-mentioned either a program preferably, the junction of described S input port, O delivery port and P control mouth and valve body is equipped with O RunddichtringO.
In above-mentioned either a program preferably, described micro-switch is fixed on mount pad by nonstandard straight pin.
In above-mentioned either a program preferably, described mount pad is fixed together by slotted cheese head screw and upper valve body.
In above-mentioned either a program preferably, spring shim is provided with between described slotted cheese head screw and mount pad.
In above-mentioned either a program 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 either a program preferably, described piston and control plunger are placed in the cavity of valve body.
In above-mentioned either a program preferably, one end of described piston is provided with limit base, and the other end is provided with capping.
In above-mentioned either a program preferably, described capping is fixed on the end of valve body by circlip for bore.
In above-mentioned either a program preferably, the middle part of described capping is provided with seal groove.
In above-mentioned either a program preferably, the junction of described limit base, capping and valve body is equipped with 0 RunddichtringO.
In above-mentioned either a program preferably, described piston being resisted against on valve body valve port by cylindroid helical-coil compression spring.
In above-mentioned either a program preferably, the material of described cylindroid helical-coil compression spring is 1Cr18Ni9.
In above-mentioned either a program preferably, the middle part of described piston has through hole, and this through hole communicates with S input port.
In above-mentioned either a program preferably, one 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 either a program preferably, the neck of described piston is processed with small stair.
In above-mentioned either a program preferably, the head of described piston is processed with screw thread.
In above-mentioned either a program preferably, the screw thread of described head is provided with 1 type hexagonal nut.
In above-mentioned either a program preferably, O RunddichtringO is equipped with in described seal groove and little seal groove.
In above-mentioned either a program preferably, the center of described control plunger has straight hole, is processed with groove in the middle part of it.
In above-mentioned either a program preferably, O RunddichtringO is provided with in the groove in the middle part of described control plunger.
In above-mentioned either a program preferably, described control plunger is set on the neck of piston by straight hole, and its end face is resisted against on the step surface of step.
In above-mentioned either a program preferably, described two-position three way pre-control electromagnetic valve is fixed on valve body by pressing plate, and be provided with mesopore in the middle part of it, top is provided with exhaust seat, and this exhaust seat has deflation hole.
In above-mentioned either a program preferably, the mesopore of described two-position three way pre-control electromagnetic valve controls mouth with P and communicates.
In above-mentioned either a program preferably, the material of described O RunddichtringO is low temperature resistant government rubber.
In above-mentioned either a program preferably, the material of described upper valve body, valve body, capping, piston, control plunger and limit base is 2A12.
In above-mentioned either a program preferably, during described S input port ventilation, the elastic force of atmospheric pressure and cylindroid helical-coil compression spring is produced because piston and control plunger exist difference in areas, piston is made to be in the position of starting stage, namely the vulcanization of rubber plate in piston contacts with valve body valve port and seals, S input port and O delivery port blocks and micro-switch is in opening.
In above-mentioned either a program preferably, described S input port and P control mouth when ventilating, to two-position three way pre-control solenoid valves, P is controlled the gas channeling control plunger of mouth, atmospheric pressure is produced because control plunger and piston exist difference in areas, enough large pressure can both be produced under low pressure or high pressure, overcome elastic force and the compressed-air actuated application force of S input port of cylindroid helical-coil compression spring, piston is contacted with limit base locate, vulcanization of rubber plate simultaneously in piston and valve body valve port depart from and produce gap, 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 either a program preferably, during described two-position three way pre-control electromagnetic valve power-off, pressurized air in control plunger chamber, discharged by the deflation hole on the exhaust seat of two-position three way pre-control electromagnetic valve, under cylindroid helical-coil compression spring elastic force and the compressed-air actuated combined action of S input port, vulcanization of rubber plate in piston is contacted with valve body valve port seal, namely S input port and O delivery port block, and micro-switch is in opening.
In sum, in intercepter valve (IV) of the present invention, latus rectum is comparatively large, and overall dimensions is less, therefore brings very large raising at in-use performance with installing; Two-position three way pre-control electromagnetic valve can be energized for a long time, fast response time strong with degree of protection, dustproof and waterproof ability; According to signal, two-position three way pre-control electromagnetic valve with signal output function, thus judges which kind of state intercepter valve (IV) is in and makes corresponding switching by two-position three way pre-control electromagnetic valve; Micro-switch has the advantages that to switch sensitive, high-low temperature resistant; This intercepter valve (IV) entirety has the feature of endurance, long service life and high-low temperature resistant, uses under can meeting locomotive Long-Time Service and harsh environment.
Accompanying drawing explanation
Fig. 1 is the cutaway view according to intercepter valve (IV) of the present invention.
Fig. 2 is the lateral plan of the preferred embodiment according to the intercepter valve (IV) shown in Fig. 1 of the present invention.
Fig. 3 is the birds-eye view of the preferred embodiment according to the intercepter valve (IV) shown in Fig. 1 of the present invention.
Fig. 4 is the structural representation of piston in the preferred embodiment according to the intercepter valve (IV) shown in Fig. 1 of the present invention.
Fig. 5 is the structural representation of control plunger in the preferred embodiment according to the intercepter valve (IV) shown in Fig. 1 of the present invention.
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, nonstandard 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.
Detailed description of the invention
The following description is only exemplary and be not to limit the disclosure, application or purposes in essence.Be further described below in conjunction with the detailed description of the invention of Figure of description to the pressing tool of spring coil press-in ball cap of the present invention.
As shown in Figure 1, according to the cutaway view of intercepter valve (IV) of the present invention, comprise valve body 16 and upper valve body 19, together with described valve body 16 is bolted with upper valve body 19, and be provided with O RunddichtringO 5, in described upper valve body 19, be 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 invention is: when S input port is ventilated, the elastic force of atmospheric pressure and cylindroid helical-coil compression spring 7 is produced because piston 9 and control plunger 11 exist difference in areas, make piston 9 be in the position of starting stage, S input port and O delivery port block and micro-switch 4 is in opening; When S input port and P control mouth ventilate time, be energized to two-position three way pre-control electromagnetic valve 22, P is controlled the gas channeling control plunger 11 of mouth, atmospheric pressure is produced because control plunger 11 and piston 9 exist difference in areas, enough large pressure is produced 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 electromagnetic valve 22 power-off of two-position three way pre-control, pressurized air in control plunger 11 chamber, discharged by the deflation hole 25 on the exhaust seat 24 of two-position three way pre-control electromagnetic valve 22, 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, piston 9 and control plunger 11 is provided with in described valve body 16.Control plunger 11 plays good directional tagging in piston 9 motion process, and this intercepter valve (IV) is better 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 mouth enter pressurized air time, be energized to two-position three way pre-control electromagnetic valve 22, P is controlled the gas channeling control plunger 11 of mouth, atmospheric pressure is produced because control plunger 11 and piston 9 exist difference in areas, enough large pressure is produced 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, upper S input port, O delivery port and the P of being also provided with of described valve body 16 controls mouth.
In the present embodiment, described valve body is provided with straight pin 17 for installing location, prevents 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 S input port, reduces gas spilling from S input port.
In the present embodiment, the junction of described S input port, O delivery port and P control mouth and valve body 16 is equipped with O RunddichtringO 5.In order to reduce or the gas avoiding entering in valve body 16 controls mouth from S input port, O delivery port and P and spills, therefore be equipped with O RunddichtringO 5 in the junction that S input port, O delivery port and P control mouth and valve body 16 and seal.
In the present embodiment, described micro-switch 4 is fixed on mount pad 1 by slotted cheese head screw 2.
In the present embodiment, spring shim 3 is provided with between described slotted cheese head screw 2 and mount pad 1.After this intercepter valve (IV) longevity of service, slotted cheese head screw 2 and mount pad 1 there will be loosening phenomenon, therefore add spring shim 3 between.
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 invention, described mount pad 1 is two rectangular blocks, and it is fixed together by nonstandard straight pin 15.
In the present embodiment, described micro-switch 4 is two, and in working process, micro-switch 4 is for work, and another micro-switch 4 is in off working state, in order to work in working process micro-switch 4 et out of order time carry out switchings use.
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 invention.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.The signal of micro-switch 4, for connecting the electric wire on micro-switch 4, can be spread out of by electrical outlets 18 by electrical outlets 18 delicately.
In the present embodiment, described valve body 16 and upper valve body 19 are linked 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.In order to avoid the phenomenon of leakage appears in the pressurized air entered in valve body 16, therefore be provided with O RunddichtringO 5 in the contact position of valve body 16 and upper valve body 19.Standard form spring shim 20 is provided with at 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, one 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 in one end of piston 9 and the other end is provided with valve body valve port 26, this ensure that the movement travel of piston.
In the present embodiment, described capping 14 is fixed in valve body 16 groove 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, this avoid the phenomenon that P controls to occur when the pressurized air of mouth enters control plunger 11 to leak.
In the present embodiment, described limit base 6, capping 14 are equipped with 0 RunddichtringO 5 with the junction of valve body 16.This avoid the phenomenon that the pressurized air entering valve body 16 occurs to leak.
In the present embodiment, described piston 9 is resisted against on limit base 6 by one end of cylindroid helical-coil compression spring 7.When S input port and P control mouth ventilate time, be energized to two-position three way pre-control electromagnetic valve 22, P is controlled the gas channeling control plunger 11 of mouth, atmospheric pressure is produced because control plunger 11 and piston 9 exist difference in areas, enough large pressure can both be produced 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 the austenitic stainless steel having high intensity through cool working.Building decorative parts, improve machine property, resistance to burning.Be best suited for self-acting lathe, bolt, nut.Burn into spot corrosion, corrosion or wearing and tearing can not be produced.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 the needs of architect and structure design personnel.The steel of the chemical erosion dielectric corrosions such as the weak corrosive medium such as resistance to air, steam, water and acid, alkali, salt.Also known as stainless acid resistant steel.In practical application, often the steel of resistance to weak corrosive medium corrosion is called corrosion-resistant steel, and the steel that resistant to chemical media corrodes is called duriron.Due to both difference in chemical composition, the former not necessarily resistant to chemical media corrosion, the latter then generally all has rustless property.Stainless corrosion stability depends on alloying element contained in steel.Chromium makes corrosion-resistant steel obtain corrosion proof fundamental element, and when in steel, chrome content reaches about 12%, the oxygen effect in chromium and corrosive medium, forms the very thin fire coat (self-passivation film) of one deck on steel surface, the matrix of steel can be stoped to corrode further.Except chromium, conventional alloying element also has nickel, molybdenum, titanium, niobium, copper, nitrogen etc., to meet the requirement of various uses to corrosion-resistant steel structure and properties.
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 invention, the middle part of described piston 9 has through hole 31, and this through hole 31 communicates with S input port.When S input port is ventilated, the elastic force of atmospheric pressure and cylindroid helical-coil compression spring 7 is produced because piston 9 and control plunger 11 exist difference in areas, piston 9 is made to be in the position of 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 is in opening
In the present embodiment, one 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, the head 37 of described piston 9 is processed with screw thread.Head 37 is processed with screw thread, limits fixing control plunger 11 with 1 type hexagonal nut 13 like this, by this thread connecting mode, make installing/dismounting convenient.
In the present embodiment, the screw thread of described head 37 is provided with 1 type hexagonal nut 13.
In the present embodiment, the end face 43 of described control plunger 11 one end 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 is fixed by the end face of the other end of control plunger 11 by 1 type hexagonal nut 13, 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, O RunddichtringO 5 is equipped with in described seal groove 32 and little seal groove 35.In the course of the work, the pressurized air entering 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 invention, the center of described control plunger 11 has straight hole 41, is processed with groove 42 in the middle part of it.
In the present embodiment, O RunddichtringO 5 is provided with in the groove 42 in the middle part of described control plunger 11.In intercepter valve (IV) working process, P controls can not enter O delivery port after in cavity that the pressurized air that enters of mouth enters into control plunger 11, only can discharge from the deflation hole 25 on the exhaust seat 24 two-position three way pre-control electromagnetic valve 22.
In the present embodiment, described control plunger 11 is set on the neck 36 of piston 9 by straight hole 41, 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 be provided with mesopore 23 in the middle part of it, top is provided with exhaust seat 24, and this exhaust seat 24 has deflation hole 25.
In the present embodiment, described two-position three way pre-control electromagnetic valve 22 can be energized for a long time, realizes P and controls compressed-air actuated break-make in mouth, have corresponding and good sealed characteristic fast.
When electromagnetic valve 22 power-off of two-position three way pre-control, pressurized air in control plunger 11 chamber, discharged by the deflation hole 25 on the exhaust seat 24 of two-position three way pre-control electromagnetic valve 22, 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 with valve body valve port 12 and seals, namely S input port and O delivery port block, and micro-switch 4 is in opening.
In the present embodiment, the mesopore 23 of described two-position three way pre-control electromagnetic valve 22 controls mouth with P and communicates.In intercepter valve (IV) working process, P controls can not enter in the valve body valve port 26 of piston 9 after in cavity that the pressurized air that enters of mouth enters into control plunger 11, only can discharge from the deflation hole 25 on the exhaust seat 24 two-position three way pre-control electromagnetic valve 22.
In the present embodiment, the material of described O RunddichtringO 5 is low temperature resistant government rubber.Government rubber, also known as butadidenne one acrylic-nitrile rubber, is called for short NBR, mean molecular weight about 700,000.Canescence is light yellow bulk or powdery solid extremely, relative density 0.95 ~ 1.0.Acrylonitrile content is the government rubber glass temperature Tg=mono-52 DEG C of 26%, brittle temperature Tb=mono-47 DEG C, and acrylonitrile content is the government rubber glass temperature Tg=mono-22 DEG C of 40%.Solubility parameter δ=8.9 ~ 9.9, be dissolved in ethyl acetate,
butyl acetate, chlorobenzene, MEK etc.Butyronitrile
rubberhave excellent fuel resistance, its fuel resistance is only second to
thiokolwith
viton, and the resistance to abrasion had and air-tightness.The shortcoming of government rubber is not resistance to
ozoneand aromatic, halogenated hydrocarbons, ketone and ester class
solvent, be unfit to do insulating material.Resistance to effect of heat be better than buna-S,
poly-chloroprene rubber, can 120 DEG C of long-term works.Air-tightness is only second to butyl rubber.The performance of government rubber affects by acrylonitrile content, and along with acrylonitrile content increases pulling strengrth, resistance to effect of heat, fuel resistance, air-tightness, hardness raising, but elasticity, resistance to cold reduce.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 work for a long time, have the feature of long service life under rugged environment.
In the present embodiment, the material of described valve seat is H59.The brass (tombak) of its copper content 59%, main component is copper, zinc.H59 is the brass that price is the most cheap, and intensity, hardness are high and plasticity good, but still can bear plastic working well under hot, and corrosion stability is general, and other performances are close with H62.
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 relatively more reasonable, and Combination property is better.The feature of this alloy is: intensity is high, has certain resistance to effect of heat, can be used as the working part of 150 ° of below C.Temperature higher than 125 ° of C, intensity ratio 7075 alloy of 2024 alloys also high.Under Warm status, annealing and new as-quenched, forming property is all relatively good, heat treatment reinforcement Be very effective, but Technology for Heating Processing requires strict.Non-corrodibility is poor, but can be effectively protected with fine aluminium is coated; 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, now changes again the one that 2A12 is deforming aluminium alloy into, 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(note: bar room temperature vertical mixing coefficient, 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 feature.
In sum, in intercepter valve (IV) of the present invention, latus rectum is comparatively large, and overall dimensions is less, therefore brings very large raising at in-use performance with installing; Two-position three way pre-control electromagnetic valve 22 can be energized for a long time, dustproof and waterproof ability strong, fast response time; According to signal, micro-switch 4 with signal output function, thus judges which kind of state intercepter valve (IV) is in and makes corresponding switching by two-position three way pre-control electromagnetic valve 22; Micro-switch 4 has the advantages that to switch sensitive, high-low temperature resistant; The material of the O RunddichtringO 5 in this intercepter valve (IV) is low temperature resistant government rubber, therefore this intercepter valve (IV) entirety has endurance, long service life and low temperature resistant feature, uses under can meeting locomotive Long-Time Service and harsh environment; 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) entirety has endurance, long service life and resistant to elevated temperatures feature, uses under can meeting locomotive Long-Time Service and harsh environment.
It will be apparent to those skilled in the art that intercepter valve (IV) of the present invention 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, these combinations are not introduced one by one in detail at this, but after having seen this specification sheets, the scope of the present invention that the combination in any of each several part be made up of this specification sheets is formed is self-evident.
Claims (29)
1. an intercepter valve (IV), comprises 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), described valve body (16) is also provided with S input port, O delivery port and P and controls mouth, during described S input port ventilation, the elastic force of atmospheric pressure and cylindroid helical-coil compression spring (7) is produced because piston (9) and control plunger (11) exist difference in areas, piston (9) is made to be in the position of starting stage, namely the vulcanization of rubber plate (33) in piston (9) contacts with valve body valve port (26) and seals, S input port and O delivery port blocks and micro-switch (4) is in opening, described S input port and P control mouth when ventilating, be energized to two-position three way pre-control electromagnetic valve (22), P is controlled the gas channeling control plunger (11) of mouth, atmospheric pressure is produced because control plunger (11) and piston (9) exist difference in areas, enough large pressure can both be produced under low pressure or high pressure, overcome elastic force and the compressed-air actuated application force of S input port of cylindroid helical-coil compression spring (7), piston (9) is contacted with limit base (6) locate, vulcanization of rubber plate (33) simultaneously in piston (9) departs from valve body valve port (26) and produces gap, make the pressurized air of S input port by this gap and the conducting of O delivery port, micro-switch (4) is in closed condition, during described two-position three way pre-control electromagnetic valve (22) power-off, pressurized air in control plunger (11) chamber, discharged by the deflation hole (25) on the exhaust seat (24) of two-position three way pre-control electromagnetic valve (22), under cylindroid helical-coil compression spring (7) elastic force and the compressed-air actuated combined action of S input port, vulcanization of rubber plate (33) in piston (9) is contacted with valve body valve port (26) seal, namely S input port and O delivery port block, and micro-switch (4) is in opening.
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, 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: described valve body (16) is provided with the location that straight pin (17) is installed for S input port.
5. intercepter valve (IV) as claimed in claim 1, is characterized in that: the junction that described S input port, O delivery port and P control mouth and valve body (16) is equipped with O RunddichtringO (5).
6. intercepter valve (IV) as claimed in claim 1, is characterized in that: described micro-switch (4) is fixed on mount pad (1) by nonstandard straight pin (15).
7. intercepter valve (IV) as claimed in claim 6, is characterized in that: described mount pad (1) is fixed together by slotted cheese head screw (2) and upper valve body (19).
8. intercepter valve (IV) as claimed in claim 7, is characterized in that: be provided with spring shim (3) between described slotted cheese head screw (2) and mount pad (1).
9. 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).
10. intercepter valve (IV) as claimed in claim 2, is characterized in that: described piston (9) and control plunger (11) are placed in the valve body valve port (26) of valve body (16).
11. intercepter valve (IV)s as claimed in claim 2, is characterized in that: one end of described piston (9) is provided with limit base (6), and the other end is provided with capping (14).
12. intercepter valve (IV)s as claimed in claim 11, is characterized in that: described capping (14) is fixed on the end of valve body (16) by circlip for bore (12).
13. intercepter valve (IV)s as described in claim 11 or 12, is characterized in that: the middle part of described capping (14) is provided with seal groove.
14. intercepter valve (IV)s as claimed in claim 11, is characterized in that: described limit base (6), capping (14) are equipped with 0 RunddichtringO (5) with the junction of valve body (16).
15. intercepter valve (IV)s as described in claim 2 or 11, is characterized in that: described piston (9) is resisted against on valve body valve port (26) by cylindroid helical-coil compression spring (7).
16. intercepter valve (IV)s as claimed in claim 15, is characterized in that: the material of described cylindroid helical-coil compression spring (7) is 1Cr18Ni9.
17. intercepter valve (IV)s as described in claim 2 or 11, is characterized in that: the middle part of described piston (9) has through hole (31), and this through hole (31) communicates with S input port.
18. intercepter valve (IV)s as described in claim 2 or 11, is characterized in that: one 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).
19. intercepter valve (IV)s as claimed in claim 18, is characterized in that: the neck (36) of described piston (9) is processed with small stair (38).
20. intercepter valve (IV)s as described in claim 2 or 11, is characterized in that: the head (37) of described piston (9) is processed with screw thread.
21. intercepter valve (IV)s as claimed in claim 20, is characterized in that: the screw thread of described head (37) is provided with 1 type hexagonal nut (13).
22. intercepter valve (IV)s as claimed in claim 18, is characterized in that: be equipped with O RunddichtringO (5) in described seal groove (32) and little seal groove (35).
23. intercepter valve (IV)s as claimed in claim 2, is characterized in that: the center of described control plunger (11) has straight hole (41), and the middle part of control plunger (11) is processed with groove (42).
24. intercepter valve (IV)s as claimed in claim 23, is characterized in that: be provided with O RunddichtringO (5) in the groove (42) at described control plunger (11) middle part.
25. intercepter valve (IV)s as claimed in claim 2, is characterized in that: described control plunger (11) is set on the neck (36) of piston (9) by straight hole (41), and the end face of this control plunger is resisted against on the step surface of step (34).
26. intercepter valve (IV)s as claimed in claim 1, it is characterized in that: described two-position three way pre-control electromagnetic valve (22) is fixed on valve body (16) by pressing plate (10), the middle part of two-position three way pre-control electromagnetic valve is provided with mesopore (23), top is provided with exhaust seat (24), this exhaust seat (24) has deflation hole (25).
27. intercepter valve (IV)s as claimed in claim 26, is characterized in that: the mesopore (23) of described two-position three way pre-control electromagnetic valve (22) controls mouth with P and communicates.
28. intercepter valve (IV)s according to any one of claim 1 or 5 or 14 or 22 or 24, is characterized in that: the material of described O RunddichtringO (5) is low temperature resistant government rubber.
29. intercepter valve (IV)s as claimed in claim 11, is characterized in that: the material of described upper valve body (19), valve body (16), capping (14), piston (9), control plunger (11) and limit base (6) is 2A12.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310284022.0A CN103318161B (en) | 2013-07-08 | 2013-07-08 | A kind of intercepter valve (IV) |
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| CN201310284022.0A CN103318161B (en) | 2013-07-08 | 2013-07-08 | A kind of intercepter valve (IV) |
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| CN103318161A CN103318161A (en) | 2013-09-25 |
| CN103318161B true CN103318161B (en) | 2015-12-02 |
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| CN201310284022.0A Active CN103318161B (en) | 2013-07-08 | 2013-07-08 | A kind of intercepter valve (IV) |
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| CN104442786B (en) * | 2014-12-09 | 2017-01-04 | 眉山中车制动科技股份有限公司 | A kind of railway brake valve pressure signal conversion equipment |
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| CN103032606A (en) * | 2012-12-28 | 2013-04-10 | 无锡市拓发自控设备有限公司 | Dual valve with three-level safety function |
| CN203332098U (en) * | 2013-07-08 | 2013-12-11 | 瑞立集团瑞安汽车零部件有限公司 | Intercepter valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6769744B2 (en) * | 2000-05-25 | 2004-08-03 | Bendix Commercial Vehicle Systems Llc | Spring brake modulating relay valve |
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|---|---|---|---|---|
| CN101310790A (en) * | 2007-06-28 | 2008-11-26 | 北京谊安医疗系统股份有限公司 | Multifunctional safety valve |
| CN101642967A (en) * | 2009-07-17 | 2010-02-10 | 无锡市拓发自控设备有限公司 | Safety-control double valve for press |
| CN201501122U (en) * | 2009-09-21 | 2010-06-09 | 无锡市拓发自控设备有限公司 | Safety dual valve for pressure machine |
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| CN103318161A (en) | 2013-09-25 |
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Effective date of registration: 20210622 Address after: No.2666, Development Zone Avenue, Ruian Economic Development Zone, Wenzhou City, Zhejiang Province, 325200 Patentee after: Zhejiang Ruili air compressor equipment Co.,Ltd. Address before: 325200 Zhejiang city of Wenzhou province Ruian Economic Development Zone No. 1169 Yu Meng Lu Patentee before: Ruili Group Ruian Auto Parts Co.,Ltd. |
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Denomination of invention: A block valve Effective date of registration: 20220119 Granted publication date: 20151202 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: Zhejiang Ruili air compressor equipment Co.,Ltd. Registration number: Y2022990000035 |