CN102834656B - Balance poppet type solenoid valve - Google Patents
Balance poppet type solenoid valve Download PDFInfo
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- CN102834656B CN102834656B CN201180018135.5A CN201180018135A CN102834656B CN 102834656 B CN102834656 B CN 102834656B CN 201180018135 A CN201180018135 A CN 201180018135A CN 102834656 B CN102834656 B CN 102834656B
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- valve
- valve seat
- organizator
- valve body
- poppet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
- F16K31/0627—Lift valves with movable valve member positioned between seats
Abstract
Disclosed is a balanced poppet-type electromagnetic valve (10) wherein a valve section (11) in the balanced poppet-type electromagnetic valve (10) includes a body (12), a poppet valve (41) housed in said body (12), and a valve-seat shaped body (17) which is mounted in said body (12). A second valve seat (19) a first valve seat (18) and a second valve seat (19) forms the valve-seat shaped body (17). One opening of the body (12) is sealed by the valve-seat shaped body (17). A first communication path (42c) and a second communication path (43c) are formed in a poppet value (41) to connect a first pressure chamber (S1) and a second pressure chamber (S2) partitioned within the body (12). The poppet valve (41) is maintained in an equilibrium state by the pressure of positive air. A seal member (45) which seals between the first pressure chamber (S1) and a supply port (13) is provided in the poppet valve (41). The seal member (45) is disposed between a valve (44) and a first end of the body (12).
Description
Technical field
The present invention relates to a kind of balanced hoisting type solenoid valve.
Background technique
As this solenoid valve, known have a solenoid valve of recording in patent documentation 1 for example.As shown in Figure 4, solenoid valve 80 possesses interconnective valve portion 81 and electromagnetism portion 100.Valve portion 81 comprises metal valve body 82, at valve body 82 center, is formed with valve opening 83.In addition, in the substantial middle of the length direction of valve opening 83, be provided with valve chamber 84, the internal diameter of valve chamber 84 is larger than the internal diameter of valve opening 83.On valve body 82, be formed with ingress port 85, the outlet port 86 being communicated with valve opening 83 and discharge port 87.Between ingress port 85 and outlet port 86, be provided with the first valve seat 88, between outlet port 86 and discharge port 87, be provided with the second valve seat 89.
In addition, on valve body 82, be formed with intercommunicating pore 95.Valve opening 83 is communicated with ingress port 85 by this intercommunicating pore 95.At valve rod 91 center, be formed with the communication channel 91a that this valve rod 91 is run through.The lower side space 83b of valve opening 83 and upside space 83c are interconnected by communication channel 91a.Electromagnetism portion 100 possesses electromagnetic coil 101, magnetic core 102 and plunger (plunger) 103.The second spring 104 is installed between magnetic core 102 and plunger 103.
On the solenoid valve 80 of above-mentioned formation, the fluid pressure action at ingress port 85 places is to the lower surface of spool 92, and poppet valve 90 is endowed sliding force upwards.Meanwhile, the hydrodynamic pressure of ingress port 85 is delivered to the lower side space 83b of valve opening 83 from intercommunicating pore 95, and from the communication channel 91a in valve rod 91, is delivered to the upside space 83c of valve opening 83.Thus, fluid pressure action is to the upper surface of sealed member 94, and poppet valve 90 is endowed downward sliding force.Now, owing to guaranteeing the sealing between valve rod 91 and valve opening 83 by sealed member 94, so can prevent that the fluid of upside space 83c from leaking to valve chamber 84.Therefore, poppet valve 90 bears upwards and downward sliding force simultaneously, maintains state of equilibrium.Therefore, only by the poor sealing of guaranteeing between spool 92 and the first valve seat 88 of the spring force between the first spring 93 and the second spring 104.
Under this state, when electromagnetic coil 101 energising, plunger 103 is resisted the effect of the second springs 104 and is adsorbed by magnetic core 102.Like this, spool 92 is configured in position the first valve seat 88 is open and that the second valve seat 89 is sealed.Thus, the flow direction of fluid is switched.Under this state, poppet valve 90 is also maintained at state of equilibrium.Therefore, only by the spring force of the first spring 93, guarantee the sealing between spool 92 and the second valve seat 89.
Patent documentation 1: Japanese Patent Publication 6-36371 communique
On the solenoid valve 80 of patent documentation 1, the poppet valve 90 that one on valve rod 91 is possessed to spool 92 is inserted and is embedded into valve opening 83 when interior, aspect its assembling, is still having room for improvement.That is, need to make the large-diameter portion 91b of valve rod 91 contact and not make the second valve seat 89 impaired with the second valve seat 89, and need to make spool 92 not slip with the inner peripheral surface of valve opening 83.Although in patent documentation 1 and not shown and open, conventionally for poppet valve 90 is inserted in valve opening 83, as shown in the dotted line of Fig. 4, be formed with from valve chamber 84 extension downwards and the internal diameter hole 105 identical with the internal diameter of valve chamber 84 at the downside of valve body 82.These hole 105 tegmentum parts 106 sealings.Poppet valve 90 is inserted and is embedded in the hole 105 of valve body 82 from its upper end.Now, although be provided with in the upper end portion of valve rod 91 for poppet valve 90 being maintained to large-diameter portion 91b and the sealed member 94 of state of equilibrium, but in order to ensure sealing, the external diameter of large-diameter portion 91b and sealed member 94 and the internal diameter of valve opening 83 are configured to roughly the same size.Therefore, the upper end of valve rod 91 is inserted to be embedded into poppet valve such in valve opening 83 90 poor to the assembling operation of valve portion 81, have the poor problem of assembling of solenoid valve 80.
Summary of the invention
The object of the invention is to, a kind of balanced hoisting type solenoid valve that improves the assembling performance of poppet valve in valve portion and improve assembling is provided.
In order to address the above problem, according to a mode of the present invention, provide a kind of balanced hoisting type solenoid valve, comprising: there is the valve portion of stream for fluid; With the electromagnetism portion being connected with this valve portion, described valve portion has: the valve body of tubular, there is first end and the second end, and on described first end, there is the first opening, on the second end, there is the second opening, and described valve body has central axis; The first pressure chamber marking at described valve body inner region and the second pressure chamber; Poppet valve, can be along being axially movably accommodated in described valve body of described valve body, and described poppet valve has spool; Communication channel, is formed on described poppet valve, and this communication channel is interconnected described the first pressure chamber and the second pressure chamber; And a pair of valve seat, the described both sides that are provided in described spool on axially at described valve body, by making described poppet valve with respect to described valve seat contact or separated, thereby can switch described stream, described balanced hoisting type solenoid valve has: valve seat organizator, be assembled on described valve body, by the described first opening sealing that is positioned at described first end of described valve body, on this valve seat organizator, form a valve seat among described a pair of valve seat; And sealed member, being arranged on described poppet valve, sealing parts will seal between described the first pressure chamber and described stream, and described sealed member is provided between the described first end of described spool and described valve body.
Preferred described valve seat organizator forms tubular, and described sealed member is provided in the inner side of described valve seat organizator, and described poppet valve is bearing on described valve seat organizator slidably by described sealed member.
Preferred described valve seat organizator forms cylindric by synthetic resin material.
Preferred described valve seat organizator is assembled on the position of described electromagnetism portion opposition side on described valve body.
Preferred described valve seat organizator is assembled on described valve body by screwing togather.
Preferred described electromagnetism portion possesses the secured core being assembled on this magnetic cover, and described secured core is assembled on described magnetic cover in the mode of adjustable position.
The contacting part contacting with described valve seat of preferred described spool forms smooth planar.
Preferably on described valve seat organizator, be provided with described poppet valve pressed and the manual axle that moves it, and on described manual axle, be provided with envelope stop part, this envelope stop part when described poppet valve is pressed by described communication channel sealing.
According to the present invention, can provide a kind of balanced hoisting type solenoid valve that improves the assembling performance of poppet valve in valve portion and improve assembling.
Accompanying drawing explanation
Fig. 1 (a) means the sectional view of the balanced hoisting type solenoid valve of present embodiment, and Fig. 1 (b) means the side view of valve seat organizator.
Fig. 2 means the sectional view of state that has regulated the position of the second valve seat by valve seat organizator.
Fig. 3 is by the sectional view of the state of communication channel sealing by manual axle.
Fig. 4 means the sectional view of existing solenoid valve.
Embodiment
Below, the balanced hoisting type solenoid valve of one embodiment of the present invention is described according to Fig. 1 (a)～Fig. 3.In addition, the right side of Fig. 1 (a)～Fig. 3 is defined as to the first side, Fig. 1 (a)～Fig. 3 left side is defined as to the second side.
As shown in Fig. 1 (a), balanced hoisting type solenoid valve 10 possesses: valve portion 11, for switching the stream as the positive pressure air of fluid; With electromagnetism portion 31, for actuating valve portion 11.Valve portion 11 and electromagnetism portion 31 fixedly form as one by screw.
First, valve portion 11 is described.Valve portion 11 possesses the valve body 12 that is formed tubular by nonmagnetic substance, for example synthetic resin material.The both ends open of valve body 12.At this, the direction that the central axis L along valve body 12 is extended is defined as axially.The first axial side at valve body 12 is formed with internal thread 12b.In addition, in valve body 12, be formed with the first valve opening 12a continuous with internal thread 12b.In addition, in the second axial side of valve body 12, be formed with continuously the second valve opening 12c with the first valve opening 12a, the internal diameter of the second valve opening 12c is less than the internal diameter of the first valve opening 12a.In valve body 12, the difference by the internal diameter of the first valve opening 12a and the internal diameter of the second valve opening 12c is formed with step.On this step, to surround outstanding first valve seat 18 that is formed with of mode of the second valve opening 12c.In addition, the second axial side at valve body 12, is formed with support 12d in the outstanding mode of the inner peripheral surface from the second valve opening 12c.In addition, than support 12d, on the position near the second axial side of valve body 12, be formed with housing recess 12f, the internal diameter of this housing recess 12f is larger than the internal diameter of the second valve opening 12c.Valve body 12 forms by internal thread 12b, the first valve opening 12a, the second valve opening 12c, support 12d and housing recess 12f along the whole tubular axially running through.In addition, the first axial side of valve body 12 is by internal thread 12b opening, and the second axial side is by housing recess 12f opening.
On valve body 12, from its axial first end, towards the second end, be formed with successively the supplying mouth 13, delivery outlet 14 and the exhaust port 15 that form stream.Supplying mouth 13 and delivery outlet 14 form with the first valve opening 12a in valve body 12 and are communicated with, and exhaust port 15 forms with the second valve opening 12c in valve body 12 and is communicated with.On supplying mouth 13, be connected with the malleation supply source (not shown) of positive pressure air, and on delivery outlet 14, be connected with the Pneumatic actuator such as cylinder (not shown).In addition, on exhaust port 15, be connected with pipe arrangement for exhaust (not shown).The positive pressure air that is fed into supplying mouth 13 is not exported or is exported to delivery outlet 14 to delivery outlet 14 by the switching action of balanced hoisting type solenoid valve 10.
On the internal thread 12b of valve body 12, screwing togather valve seat organizator 17, and the opening of the first end of valve body 12 is by 17 sealings of valve seat organizator.As shown in Fig. 1 (b), valve seat organizator 17 forms cylindric by synthetic resin material.Outer circumferential face in the first side is formed with outside thread 17a.Valve seat organizator 17 possesses the valve container 17b of tubular on the position near the second side than outside thread 17a.The maximum outside diameter of valve container 17b is configured to slightly less than the internal diameter of the first valve opening 12a.
At the outer circumferential face of valve container 17b, at outside thread 17a, be attached with an O shape ring 17d, and in the forward end of valve container 17b, the 2nd O shape ring 17e be installed.On the 17b of valve container, at an O shape ring 17d, encircle between 17e and be formed with the inside and outside a plurality of intercommunicating pore 17c that are communicated with of valve container 17b with the 2nd O shape.In addition, as shown in Fig. 1 (a), in the first side of valve seat organizator 17, be formed with to the embedding hole 17f of the end face opening of the first side of valve seat organizator 17.The internal diameter of this embedding hole 17f forms large footpath at the position corresponding with valve container 17b.Inner peripheral surface at valve seat organizator 17 is formed with butt step 17g.
Manually axle 16 is fitted in embedding hole 17f slidably.Manually axle 16 is by forming with the lip part 16a of butt step 17g butt with the chimeric embedding part 16b of embedding hole 17f.The external diameter of embedding part 16b is less than the external diameter of lip part 16a.By lip part 16a and butt step 17g butt, thereby prevent that manual axle 16 from coming off from valve seat organizator 17.
Outer circumferential face at embedding part 16b is provided with O shape ring 16c, and by this O shape ring 16c, prevents the air leakage of in valve seat organizator 17 (in valve body 12).End face at embedding part 16b is formed with operation recess 16d.In addition, the end face at lip part 16a is provided with the envelope stop part 16f consisting of rubber material.On this envelope stop part 16f, the end face exposing at valve container 17b is bent to form as arcuation, and forms elastically deformable.The manual axle 16 of above-mentioned formation is configured to can endwisely slipping along valve seat organizator 17.
On above-mentioned valve seat organizator 17, under state in valve container 17b is inserted into the first valve opening 12a, outside thread 17a is screwed on the internal thread 12b of valve body 12, thereby valve seat organizator 17 is assembled on valve body 12, and by the opening sealing of the first side of valve body 12.At valve seat organizator 17, be assembled under the state on valve body 12, supplying mouth 13 is communicated with by intercommunicating pore 17c with (in the first valve opening 12a) in the 17b of valve container.In addition, the inner peripheral surface crimping of the 2nd O shape ring 17e and the valve body 12 between supplying mouth 13 and delivery outlet 14.By the 2nd O shape ring 17e, prevent that supplying mouth 13 and delivery outlet 14 are communicated with the border between valve body 12 inner peripheral surfaces via the outer circumferential face of valve seat organizator 17.In addition, by an O shape ring 17d, prevent that the positive pressure air that is supplied to supplying mouth 13 from leaking to the outside of valve body 12 via the border between the outer circumferential face of valve seat organizator 17 and the inner peripheral surface of valve body 12.
The front-end face of valve container 17b be configured in valve body 12 axially on delivery outlet 14 and supplying mouth 13 between, the front-end face by valve container 17b forms the second valve seat 19.The position of the second valve seat 19 can be according to outside thread 17a with respect to the amount of screwing togather of internal thread 12b and along the axial adjustment of valve body 12.In the first valve opening 12a, between the first valve seat 18 and the second valve seat 19, be formed with valve chamber 20.
In valve body 12 and valve seat organizator 17, taken in poppet valve 41, this poppet valve 41 can moving axially to valve body 12.Poppet valve 41 forms by the first valve rod 42 with the second valve rod 43 that this first valve rod 42 forms as one.The position of the first side of the first valve rod 42 is incorporated in the 17b of valve container, and the position of the second side of the first valve rod 42 is inserted through in support 12d.The second valve rod 43 is incorporated in the valve container 17b of valve seat organizator 17.
The first valve rod 42 is formed by axial region 42a and the spool assembly department 42b that is formed on the length direction central part of this axial region 42a.The external diameter of spool assembly department 42b is larger than the external diameter of axial region 42a.On spool assembly department 42b, be provided with spool 44.The external diameter of the spool 44 on poppet valve 41 is set to than the second large footpath of valve opening 12c and than the first valve opening 12a path.This spool 44 is configured to the first valve seat 18 and the second valve seat 19 opposed.That is to say, the first valve seat 18 and the second valve seat 19 be equipped on valve body 12 axially on clamp the position of spool 44.The both ends of the surface of spool 44, form smooth planar with the first valve seat 18 and the contact of the second valve seat 19 or separated face.On the first valve rod 42, be formed with the first communication channel 42c extending along the whole length direction of axial region 42a.On the end face of the second valve rod 43 opposition sides of the first valve rod 42, be formed with the connectivity slot 42d that the outside of the first communication channel 42c and the first valve rod 42 is communicated with.
The second valve rod 43 is formed by axial region 43a and sealed member assembly department 43b, and sealed member assembly department 43b is formed on the length direction central part of this axial region 43a, and its external diameter is larger than the external diameter of axial region 43a.The external diameter of sealed member assembly department 43b is configured to more smaller than the internal diameter of valve container 17b.Outer circumferential face at sealed member assembly department 43b is provided with sealed member 45.Interior when mobile at valve body 12 when poppet valve 41, sealing parts 45 slip with the inner peripheral surface of valve container 17b.On the second valve rod 43, be formed with the second communication channel 43c extending along the whole length direction of axial region 43a.In poppet valve 41, the first communication channel 42c of the first valve rod 42 and the second communication channel 43c of the second valve rod 43 are interconnected and form a communication channel.In the second valve rod 43, the opening portion that is positioned at the first valve rod 42 opposition sides forms the taper that diameter expands toward the outer side gradually from the second communication channel 43c.
The position of the first side of the poppet valve 41 of above-mentioned formation, the position of a side corresponding with the second valve rod 43 is bearing in valve container 17b(valve seat organizator 17 slidably by sealed member 45) on.The position of the second side of poppet valve 41, the position of a side corresponding with the first valve rod 42 is bearing on support 12d slidably.Poppet valve 41 is supported in both sides, thereby limiting valve body 12 is with respect to axial slope.That is, sealed member 45 plays a role as the bearing of the first side of poppet valve 41, and support 12d plays a role as the bearing of the second side of poppet valve 41.
In valve body 12, on the position of conduct first side of poppet valve 41, be provided with the first S1 of pressure chamber being gone out by the second valve rod 43 and valve seat organizator 17 zonings.In addition, the second communication channel 43c of the second valve rod 43 is towards the first S1 of pressure chamber opening.In addition, in the first S1 of pressure chamber, be provided with spring 23 for valve.Poppet valve 41 valve with under the spring-force driven dual of spring 23 by the direction of leaving from the second valve seat 19 towards spool 44, in other words spool 44 just sits on the direction application of force the first valve seat 18.In addition, manually axle 16 valve with under the spring-force driven dual of spring 23 by the direction application of force towards leaving from poppet valve 41.
In valve body 12, on the position of conduct second side of poppet valve 41, be provided with the second S2 of pressure chamber being gone out by electromagnetism portion 31 and housing recess 12f zoning.The first S1 of pressure chamber and the second S2 of pressure chamber are communicated with by connectivity slot 42d, the first communication channel 42c and the second communication channel 43c of poppet valve 41, have identical pressure.
Then, electromagnetism portion 31 is described.
In coil rack 33, taken in roughly columned secured core 37.Front end at this secured core 37 is formed with outside thread 37a.The internal thread 32a of this outside thread 37a and magnetic cover 32 screws togather, thereby secured core 37 is assembled on magnetic cover 32.In addition, in guide ring 34 and coil rack 33, be inserted with movable core 35.The first side end face of the close valve body 12 of movable core 35 and poppet valve 41(the first valve rod 42) end face butt.The second side end face of the close secured core 37 of movable core 35 is adapted to secured core 37 opposed.In addition, the position of the first side of movable core 35 extends in the housing recess 12f that enters into valve body 12.On the end of the first side of movable core 35, be formed with radius vector to the outstanding lip part 35a of foreign side.Between guide ring 34 and lip part 35a, be provided with spring 36 for iron core.Movable core 35 by iron core with the spring force of spring 36 towards the direction application of force of leaving from secured core 37.This iron core is configured to larger with the spring force of spring 23 than valve with the spring force of spring 36.Therefore, to electromagnetism portion 31, do not switching on, movable core 35 is by iron core under the state by the spring force application of force of spring 36, and poppet valve 41 is suppressed with regard to the direction sitting on second valve seat 19 towards spool 44.
The action of the balanced hoisting type solenoid valve 10 of above-mentioned formation then, is described.
First, as shown in the double dot dash line in the enlarged view of Fig. 1 (a), not under the state of the coil 33a energising of electromagnetism portion 31, movable core 35 iron core with spring 36 and valve with under spring force poor (elastic force pressure) effect between spring 23 by towards valve body 12 application of forces.The end face of the first side of movable core 35 and support 12d butt.Poppet valve 41 is pressed in valve body 12 by movable core 35, and spool 44 just sits on second valve seat 19.
Under this non-power status, the pressure-acting of the positive pressure air at supplying mouth 13 places is on spool 44 and sealed member assembly department 43b.Now, because spool 44 is configured to identical size with the compression area of sealed member assembly department 43b, so the pressure being applied on spool 44 and sealed member assembly department 43b cancels each other out.In addition, the pressure (barometric pressure) at delivery outlet 14 and exhaust port 15 places, is applied to the second S2 of pressure chamber from connectivity slot 42d by between support 12d and the axial region 42a of the first valve rod 42 from the second valve opening 12c.It is upper that the pressure of the second S2 of pressure chamber is applied to the first S1 of pressure chamber by the first communication channel 42c of the first valve rod 42 and the second communication channel 43c of the second valve rod 43, and the first S1 of pressure chamber and the second S2 of pressure chamber are in identical pressure.
By sealed member 45, guarantee the first S1 of pressure chamber and supplying mouth 13(stream) between sealing, the positive pressure air that prevents the first S1 of pressure chamber is leaked to supplying mouth 13.Therefore, poppet valve 41 bears identical power simultaneously and is maintained at state of equilibrium from its both sides.Therefore, 41 of poppet valves are poor and sit on the second valve seat 19 with the spring force of spring 23 with spring 36 and valve by iron core.In addition, the sealing between supplying mouth 13 and delivery outlet 14 is guaranteed, to the positive pressure air of supplying mouth 13 supplies, can not export to delivery outlet 14.
When coil 33a is energized, movable core 35 is attracted to secured core 37.This attraction force surpasses the spring force of spring 36 for iron core, when movable core 35 is adsorbed on secured core 37, poppet valve 41 at valve with being pressed towards electromagnetism portion 31 under the elastic force pressure effect of spring 23.Like this, as shown in Fig. 1 (a), spool 44 leaves from the second valve seat 19, and just sits on the first valve seat 18, and the stream of positive pressure air is switched.Its result, supplies with positive pressure air from supplying mouth 13 to delivery outlet 14, supplies with positive pressure air from delivery outlet 14 to Pneumatic actuator.
Now, the pressure-acting of the positive pressure air at supplying mouth 13 places is on spool 44 and sealed member assembly department 43b.Due to the compression area of spool 44 and sealed member assembly department 43b be set to identical, so the pressure being applied on spool 44 and sealed member assembly department 43b is cancelled out each other.In addition, the pressure at exhaust port 15 places, is applied to the second S2 of pressure chamber from connectivity slot 42d by between support 12d and the axial region 42a of the first valve rod 42 from the second valve opening 12c.It is upper that the pressure of the second S2 of pressure chamber is applied to the first S1 of pressure chamber by the first communication channel 42c of the first valve rod 42 and the second communication channel 43c of the second valve rod 43, and the first S1 of pressure chamber and the second S2 of pressure chamber become identical pressure.Now, by sealed member 45, guarantee the sealing between the first S1 of pressure chamber and supplying mouth 13, with the positive pressure air that prevents the first S1 of pressure chamber, to supplying mouth 13, leak.Thus, 41 of poppet valves just sit on the first valve seat 18 with the spring force of spring 23 by valve, to guarantee the sealing between delivery outlet 14 and exhaust port 15.
The assembling method of the balanced hoisting type solenoid valve 10 of above-mentioned formation then, is described.
First, by by the first valve rod 42, the second valve rod 43 and the integrated poppet valve 41 that assembles of spool 44.Poppet valve 41 is inserted in valve body 12 from the first valve rod 42.In detail, poppet valve 41 is inserted in valve body 12 from the first side of valve body 12, the opening forming by internal thread 12b.Like this, on valve body 12, assemble poppet valve 41.Now, because valve seat organizator 17 is not also assembled on valve body 12, so Yi Bian worker can be on one side to confirming to assemble poppet valve 41 in valve body 12.And the part of the second side of poppet valve 41 is inserted in the second valve opening 12c, the internal diameter of the second valve opening 12c is larger than the external diameter of the first valve rod 42.And the part of the first side of poppet valve 41 is inserted in the first valve opening 12a and internal thread 12b, the internal diameter of the first valve opening 12a and internal thread 12b is larger than the external diameter of spool 44 and sealed member 45.Now, the spool 44 that sealed member 45 be take on valve body 12 is provided in a side of assembled valve seat organizator 17 as border.That is, sealed member 45 is provided between spool 44 and the first end of valve body 12 on poppet valve 41.Therefore, poppet valve 41 is being inserted into valve body 12 when interior, the sealed member assembly department 43b that is provided with sealed member 45 can not collide the second valve seat 19.In addition, can prevent that spool 44 and sealed member 45 from contacting with the inner peripheral surface of valve body 12.
Then, on the face of the first side of the second valve rod 43 of poppet valve 41, set valve with under the state of spring 23, the valve seat organizator 17 that is assembled with manual axle 16 is inserted in valve body 12 from valve container 17b.And, the outside thread 17a of valve seat organizator 17 is screwed on the internal thread 12b of valve body 12.Like this, valve container 17b is provided in the outside of sealed member 45, the inner peripheral surface crimping of sealed member 45 and valve container 17b, and the first side of valve body 12 is by 17 sealings of valve seat organizator.And, on this valve body 12, at valve seat organizator 17 opposition sides, by screw, fixedly make electromagnetism portion 31 and valve body 12 being integral, assembled balanced hoisting type solenoid valve 10.
After having assembled balanced hoisting type solenoid valve 10, to supplying mouth 13, supplying with under the state of positive pressure air, to carrying out instrumentation from the flow of delivery outlet 14 outputs.Now, in the situation that be not required value from the flow of delivery outlet 14 output, as shown in Figure 2, regulating valve seat organizator 17 is with respect to the amount of screwing togather of the internal thread 12b of valve body 12, to regulate the position of the second valve seat 19, thus adjust flux.
In addition, in balanced hoisting type solenoid valve 10, the amount of screwing togather by the secured core 37 in adjusting electromagnetism portion 31 with respect to magnetic cover 32, thus regulate the operating current in electromagnetism portion 31.
In addition, sometimes also can and adopt, manually make poppet valve 41 move not to coil 33a energising, thereby to carrying out instrumentation from the flow of delivery outlet 14 outputs.In this case, as shown in Figure 3, the front end of instrument T is inserted into the operation recess 16d of manual axle 16, by this instrument T, manually axle 16 is pressed in valve body 12.Like this, poppet valve 41 is pressed, and spool 44 just sits on the first valve seat 18, can be by the positive pressure air of supplying with to supplying mouth 13 to delivery outlet 14 outputs.
According to above-mentioned mode of execution, can access following effect.
(1) valve body 12 forms tubular, in the part of the first side of valve body 12, is assembled with valve seat organizator 17.By valve seat organizator 17, the second valve seat 19 is set valve body 12 is interior, and the opening of the first side of valve body 12 is by 17 sealings of valve seat organizator.In addition, be positioned at the mode of a side that is assembled with valve seat organizator 17 for maintaining the sealed member 45 of the state of equilibrium of poppet valve 41 on valve body 12, poppet valve 41 is assembled on valve body 12.That is, sealed member 45 is provided between the spool 44 of poppet valve 41 and the first end of valve body 12.And when assembling balanced hoisting type solenoid valve 10, assembled poppet valve 41 on valve body 12 after, valve seat organizator 17 is assembled on valve body 12 to be positioned at the mode in the outside of sealed member 45.Thus, the position that is arranged in the second side of poppet valve 41 is inserted into and is assembled into the hole that internal diameter is larger than the external diameter of sealed member 45.Therefore, sealed member 45 is difficult for contacting with the inner peripheral surface of valve body 12, and the sealed member assembly department 43b that is equipped with sealed member 45 can not collide the second valve seat 19.Thus, when poppet valve 41 is assembled on valve body 12, without going especially, realize whether sealed member 45 contacts with the second valve seat 19 or whether sealed member 45 contacts and the careful assembling operation that carries out with the inner peripheral surface of valve body 12.Its result, can carry out poppet valve 41 to be assembled into the operation on valve body 12 simply, and its result can improve the assembling of balanced hoisting type solenoid valve 10.
(2) common, in electromagnetism portion 31, can contact with secured core 37 because of coil 33a, the movable core 35 with following energising temperature to rise and produce abrasion powder.For this point, the sealed member 45 of poppet valve 41 is not a side that is arranged on the electromagnetism portion 31 that is provided with spool 44Wei circle of valve body 12, but is arranged on electromagnetism portion 31 opposition sides with spool 44Wei circle, the i.e. side away from from electromagnetism portion 31.Therefore, sealed member 45 can be configured further from electromagnetism portion 31.Thus, sealed member 45 is not vulnerable to the impact that temperature rises, wears away powder, can improve the durability of sealed member 45.
(3) in the inner side of the valve container of valve seat organizator 17 17b, be equipped with sealed member 45, the position of the first side of poppet valve 41 is slidably by 45 supportings of sealing parts.Thus, valve seat organizator 17, except having for arranging on valve body 12 function of the second valve seat 19, also has both the function as the bearing of poppet valve 41.Therefore, and the parts that play for the function of the second valve seat 19 is set on valve body 12 are set separately respectively on valve body 12, play as the situation of the parts of the function of the bearing of poppet valve 41 and compare, can make the formation of balanced hoisting type solenoid valve 10 simple.
(4) valve seat organizator 17 forms cylindric by synthetic resin material.Therefore, can improve the out of roughness of valve seat organizator 17.In valve seat organizator 17, the sealed member 45 of poppet valve 41 slips with the inner peripheral surface of valve seat organizator 17, by improving the out of roughness of valve seat organizator 17, can improve the sliding of sealed member 45, improves the sliding of poppet valve 41.
(5) valve seat organizator 17 possesses outside thread 17a, and by this outside thread 17a being screwed on the internal thread 12b of valve body 12, thereby valve seat organizator 17 is assembled on valve body 12.By regulating the amount of screwing togather of outside thread 17a, thereby can regulate the position of the second valve seat 19.Therefore, easily carry out the Flow-rate adjustment of balanced hoisting type solenoid valve 10.
(6), in electromagnetism portion 31, on secured core 37, be provided with outside thread 37a.By this outside thread 37a being screwed on the internal thread 32a of magnetic cover 32, thereby secured core 37 is assembled on magnetic cover 32 by one.And, by regulating the amount of screwing togather of outside thread 37a, thereby the position of secured core 37 can be regulated, and the path increment of movable core 35 can be regulated.Therefore, the operating current of adjustment lifting type solenoid valve 10 easily.Therefore, by the effect above-mentioned (5) Suo Shu, balanced hoisting type solenoid valve 10 can carry out the operating current that position by 17 pairs of the second valve seats 19 of valve seat organizator regulates the Flow-rate adjustment that realizes and the position regulation by secured core 37 to realize and regulate this 2 kinds of adjustings.
(7) contacting part contacting with the first valve seat 18 and the second valve seat 19 of spool 44 forms smooth planar.Therefore, when spool 44 just sits on the first valve seat 18 or the second valve seat 19, can be by positively sealing between spool 44 and the first valve seat 18 or the second valve seat 19.
(8) on valve seat organizator 17, be provided with manual axle 16, this manual axle 16 is operated, can manually make poppet valve 41 move.Manually axle 16 possesses while poppet valve 41 being moved by manual axle 16 the envelope stop part 16f of the second communication channel 43c sealing of poppet valve 41.Suppose, poppet valve 41 is pressed and tilts with respect to central axis L by manual axle 16, and the sealing function of sealed member 45 declines so, from the positive pressure air of supplying mouth 13, to the first S1 of pressure chamber, leaks.Now, because the second communication channel 43c is stopped by the envelope stop part 16f of manual axle 16 envelope, so can prevent that the pressure of the first S1 of pressure chamber from leaking to the second valve opening 12c via the first communication channel 42c and connectivity slot 42d from the second communication channel 43c.Its result, can prevent that the positive pressure air that is supplied to supplying mouth 13 from leaking from the first S1 of pressure chamber, can prevent from declining to the output of delivery outlet 14.
(9) end face that is arranged on the envelope stop part 16f on manual axle 16 is bent to form as arcuation.Therefore,, when having been undertaken pressing by 16 pairs of poppet valves of manual axle 41, envelope stop part 16f easily connects airtight along the shape of the opening end of the second communication channel 43c.Therefore, can the opening of the second communication channel 43c positively be sealed by envelope stop part 16f.
(10) in the part of the first side of valve body 12, be assembled with and form valve seat organizator 17 cylindraceous.By valve seat organizator 17, in valve body 12, be provided with the second valve seat 19.For maintaining the sealed member 45 of the state of equilibrium of poppet valve 41, on valve body 12, be configured in the side that is assembled with valve seat organizator 17 with spool 44Wei circle.Sealed member 45 moves with poppet valve 41 one, on the inner peripheral surface of valve seat organizator 17, slides.Therefore, sealed member 45 is set to seldom from the amount of deformation (overhang) of sealed member assembly department 43b.The out of roughness that the valve seat organizator 17 connecting airtight with sealed member 45 is had relatively high expectations.But in the present embodiment, valve seat organizator 17 is formed cylindric by synthetic resin material, can easily realize high out of roughness.Therefore, can make sealed member 45 along whole circumferentially and the inner peripheral surface of valve seat organizator 17 connect airtight and bring into play fully sealing function.Therefore, in the present embodiment, in order to maintain the state of equilibrium of poppet valve 41, without sealed member 45 and the inner peripheral surface of valve body 12 are connected airtight, can manufacture valve body 12 by synthetic resin.With respect to this, in the device illustrating in background technique, for the sealed member that is used in the state of equilibrium that maintains poppet valve along whole circumferentially and valve opening connect airtight, valve body is formed by metal, and by cutting, forms the valve opening of high out of roughness.Compare with this device, in the present embodiment, can suppress the manufacture cost of valve body 12, can reduce the manufacture cost of balanced hoisting type solenoid valve 10.
In addition, above-mentioned mode of execution can change in the following way.
The position of zero sealed member 45 can be in the end of the first side of spool 44 and poppet valve 41, be that change arbitrarily position between front end.
The contacting part contacting with the first valve seat 18 or the second valve seat 19 of zero spool 44 also can not form smooth planar.
The secured core 37 of zero electromagnetism portion 31 also can not move with respect to magnetic cover 32 with magnetic cover 32 becoming one.
Zero valve seat organizator 17 also can not adopt screw-in version to be assembled on valve body 12, can be assembled on valve body 12 by other modes such as being pressed into, chimeric.
Zero valve seat organizator 17 also can be assembled into the opening portion of the second side of valve body 12, in the part adjacent with electromagnetism portion 31.
Zero valve seat organizator 17 also can form square tube shape, cylindric to substitute.
Zero in the above-described embodiment, after having taken in poppet valve 41, assembles valve seat organizator 17 in valve body 12 in valve body 12, and valve body 12 and electromagnetism portion 31 form as one.Be alternative in this, also can change as follows above-mentioned number of assembling steps.That is, on valve body 12, assembled under the state of electromagnetism portion 31, after poppet valve 41 is assembled on valve body 12, on valve body 12, assembled valve seat organizator 17.
Zero in the above-described embodiment, and valve portion 11 and electromagnetism portion 31 are fixed and become one by screw.Be alternative in this, valve portion 11 and electromagnetism portion 31 also can lead to riveted joint, weld, utilized other modes such as elastomeric fixation method to become one.
Claims (7)
1. a balanced hoisting type solenoid valve, comprising: have the valve portion of stream for fluid; With the electromagnetism portion being connected with this valve portion,
Described valve portion has:
The valve body of tubular, has first end and the second end, has the first opening on described first end, have the second opening, and described valve body has central axis on the second end;
The first pressure chamber marking at described valve body inner region and the second pressure chamber;
Poppet valve, can be along being axially movably accommodated in described valve body of described valve body, and described poppet valve has spool;
Communication channel, is formed on described poppet valve, and this communication channel is interconnected described the first pressure chamber and the second pressure chamber; And
A pair of valve seat, in the described both sides that are provided in described spool on axially of described valve body,
By making described poppet valve with respect to described valve seat contact or separated, thereby can switch described stream,
Described balanced hoisting type solenoid valve has:
Valve seat organizator, is assembled on described valve body, by the described first opening sealing that is positioned at described first end of described valve body, forms a valve seat among described a pair of valve seat on this valve seat organizator; And
Sealed member, is arranged on described poppet valve, and sealing parts will seal between described the first pressure chamber and described stream, and described sealed member is provided between the described first end of described spool and described valve body,
On described valve seat organizator, be provided with described poppet valve pressed and the manual axle that moves it, and on described manual axle, be provided with envelope stop part, this envelope stop part when described poppet valve is pressed by described communication channel sealing.
2. balanced hoisting type solenoid valve according to claim 1,
Described valve seat organizator forms tubular, and described sealed member is provided in the inner side of described valve seat organizator, and described poppet valve is bearing on described valve seat organizator slidably by described sealed member.
3. balanced hoisting type solenoid valve according to claim 1 and 2,
Described valve seat organizator forms cylindric by synthetic resin material.
4. balanced hoisting type solenoid valve according to claim 1 and 2,
Described valve seat organizator is assembled on the position of described electromagnetism portion opposition side on described valve body.
5. balanced hoisting type solenoid valve according to claim 1 and 2,
Described valve seat organizator is assembled on described valve body by screwing togather.
6. balanced hoisting type solenoid valve according to claim 1 and 2,
Described electromagnetism portion possesses magnetic cover and is assembled into the secured core on this magnetic cover, and described secured core is assembled on described magnetic cover in the mode of adjustable position.
7. balanced hoisting type solenoid valve according to claim 1 and 2,
Described spool has the contacting part contacting with described valve seat, and described contacting part forms smooth planar.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010081273A JP5486987B2 (en) | 2010-03-31 | 2010-03-31 | Balance poppet type solenoid valve |
| JP2010-081273 | 2010-03-31 | ||
| PCT/JP2011/053369 WO2011122147A1 (en) | 2010-03-31 | 2011-02-17 | Balanced poppet-type electromagnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102834656A CN102834656A (en) | 2012-12-19 |
| CN102834656B true CN102834656B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180018135.5A Active CN102834656B (en) | 2010-03-31 | 2011-02-17 | Balance poppet type solenoid valve |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5486987B2 (en) |
| KR (1) | KR101429577B1 (en) |
| CN (1) | CN102834656B (en) |
| WO (1) | WO2011122147A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5903845B2 (en) * | 2011-11-22 | 2016-04-13 | アイシン精機株式会社 | solenoid valve |
| JP2014026049A (en) | 2012-07-25 | 2014-02-06 | Sony Corp | Cleaning device, cleaning method and imaging apparatus |
| JP5938378B2 (en) * | 2013-09-18 | 2016-06-22 | Ckd株式会社 | solenoid valve |
| JP6531126B2 (en) * | 2016-03-01 | 2019-06-12 | Ckd株式会社 | solenoid valve |
| JP6698251B2 (en) * | 2016-05-19 | 2020-05-27 | Smc株式会社 | solenoid valve |
| JP6732202B2 (en) * | 2016-05-19 | 2020-07-29 | Smc株式会社 | solenoid valve |
| JP6507140B2 (en) * | 2016-11-08 | 2019-04-24 | Ckd株式会社 | solenoid valve |
| KR101987455B1 (en) * | 2018-01-26 | 2019-09-30 | (주)모토닉 | Assembling construction for electronic solenoid valve |
| KR101987456B1 (en) * | 2018-01-26 | 2019-06-12 | (주)모토닉 | Sleeve construction for electronic solenoid valve |
| JP2019219006A (en) * | 2018-06-20 | 2019-12-26 | アズビルＴａｃｏ株式会社 | Electromagnetic valve |
| US11022231B2 (en) | 2018-12-14 | 2021-06-01 | Marotta Controls, Inc. | Solenoid valve |
| CN111765252B (en) * | 2019-04-02 | 2021-12-21 | 浙江三花制冷集团有限公司 | Electric valve |
| KR102473837B1 (en) * | 2021-04-22 | 2022-12-02 | 박석배 | 3way valve for starting engine |
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| JPS6196272A (en) * | 1984-10-13 | 1986-05-14 | Kuroda Precision Ind Ltd | Direction selector valve |
| JPH0636371Y2 (en) * | 1988-03-14 | 1994-09-21 | シーケーディ株式会社 | solenoid valve |
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| JP2000018400A (en) * | 1998-07-02 | 2000-01-18 | Smc Corp | Poppet valve |
| JP2006258183A (en) * | 2005-03-16 | 2006-09-28 | Kuroda Pneumatics Ltd | Poppet type direction control valve |
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| JP5249191B2 (en) * | 2009-12-25 | 2013-07-31 | Ｃｋｄ株式会社 | solenoid valve |
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2010
- 2010-03-31 JP JP2010081273A patent/JP5486987B2/en active Active
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2011
- 2011-02-17 WO PCT/JP2011/053369 patent/WO2011122147A1/en active Application Filing
- 2011-02-17 CN CN201180018135.5A patent/CN102834656B/en active Active
- 2011-02-17 KR KR1020127023019A patent/KR101429577B1/en active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2011122147A1 (en) | 2011-10-06 |
| JP2011214612A (en) | 2011-10-27 |
| CN102834656A (en) | 2012-12-19 |
| KR20120112858A (en) | 2012-10-11 |
| JP5486987B2 (en) | 2014-05-07 |
| KR101429577B1 (en) | 2014-08-12 |
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