CN1316189C - Fluid valve device - Google Patents
Fluid valve device Download PDFInfo
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- CN1316189C CN1316189C CNB02147009XA CN02147009A CN1316189C CN 1316189 C CN1316189 C CN 1316189C CN B02147009X A CNB02147009X A CN B02147009XA CN 02147009 A CN02147009 A CN 02147009A CN 1316189 C CN1316189 C CN 1316189C
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Abstract
An fluid valve device with a pilot solenoid valve comprises a passage body 10 for determining an inflow passage 11 and an outflow passage 13, a diaphragm valve 20 interposed between the inflow passage 11 and the outflow passage 13 for opening/closing the passage, a communication passage 16 for communicating a front pressure chamber RH and a back pressure chamber RL of the diaphragm valve 20, a pilot passage 14 for communicating the back pressure chamber RL and the outflow passage 13, the pilot solenoid valve 40 for opening/closing the pilot passage 14 and a flat plate type cover 30 connected with the passage body 10 in order to determine the back pressure chamber RL. The pilot solenoid valve 40 is connected with the passage body 10 in a region out of the cover 30 and a groove passage 33 is formed on the cover 30 for determining a part of the pilot passage. Thereby, the device is restricted from protruding above the back pressure chamber RL and the device can be miniaturized and thin- walled.
Description
Technical field
The present invention is the fluid valve of relevant controlling fluid flow, and the hydraulic control solenoid valve and the fluid passage that particularly have Electromagnetic Drive open and close the invention of using membrane valve.
Background technique
Water heater and washing machine water supply and sewage have the spy to open flat 6-117570 communique with traditional fluid valve, and practical new case is registered No. 2519305 communique etc.The fluid valve of these patent disclosures has the flow channel of division water and the passage housing of flow pass, makes the membrane valve of passage switching between the two passes, and the pressure of control membrane valve back pressure chamber makes the electromagnetic drive type hydraulic control solenoid valve of membrane valve switching etc.These fluid valves can be installed in, and for example, space or sidewall spaces under the indoor floor also have such as the limited place of the device spaces such as washing machine, the water flow of control pipe arrangement.
But, in described traditional fluid valve, above the back pressure chamber side of membrane valve, be provided with the hydraulic control solenoid valve, so the bearing of trend of flow channel and flow pass projects upwards.Therefore, when the fluid valve of the outstanding shape of band is connected with pipe arrangement,, still need to install the necessary space of fluid valve even pipe arrangement can be arranged on narrow space.
On the other hand, even adopt the top of the back pressure chamber side of membrane valve that the hydraulic control solenoid valve is not set, still need to make the hydraulic control passage that is communicated with of hydraulic control solenoid valve and back pressure chamber, and the parts that promptly use independent pipe arrangement or constitute passage divide this hydraulic control passage, can not control it and project upwards.Therefore, the structure of hydraulic control passage is very important.
In addition, in the described conventional fluid valve, the valve seat of hydraulic control solenoid valve is on the passage housing, after the hydraulic control solenoid valve is installed on the passage housing, could check the sealing between hydraulic control valve and the valve seat, when improper, must take apart and process valve seat once more or still fall the passage housing.The result has caused unnecessary assembly and disassembly operation, has influenced working efficiency and cost of production.
Summary of the invention
In view of the problem on the described conventional art, purpose of the present invention is intended to cut down number of spare parts, simplified structure, makes other component modelsization, provide a kind of small-sized, frivolous, low-cost, easily check, fluid valve efficiently.
Fluid valve of the present invention has the flow channel of division fluid and the passage housing of flow pass, the membrane valve that control channel opens and closes between flow channel and flow pass, make the preceding pressure chamber of membrane valve and the communication channel that back pressure chamber is communicated with, make the back pressure chamber of membrane valve and hydraulic control passage and the hydraulic control passage switching hydraulic control solenoid valve that flow pass is communicated with, it is characterized in that both being connected in addition with the passage housing of described division back pressure chamber, constitute the planar valve gap of the groove passage of a hydraulic control passage part again, described hydraulic control solenoid valve is connected with the passage housing in the place away from the planar valve gap.
Adopt this structure, can guarantee the hydraulic control solenoid valve to be installed, and can on the planar valve gap, form the groove passage of part hydraulic control passage in place away from the planar valve gap.With control outstanding to the valve gap outside, guarantee the passage of fluid.Just, be not only tube passage, can utilize the groove passage to mark off part hydraulic control path, control is outstanding to the back pressure chamber top, with miniaturization and the slimming that reaches device.So just valve can be installed on the pipe arrangement that is arranged in the narrow space easily.
In the described structure, the 1st hydraulic control passage that the hydraulic control passage is extended in parallel by the vibration-direction with membrane valve and form with the 2nd hydraulic control passage that the vibration-direction Vertical direction of membrane valve is extended, the hydraulic control solenoid valve is connected with the passage housing with the channel attached place of the 2nd hydraulic control at the 1st hydraulic control passage.
This designs simplification the hydraulic control passage, be convenient to processing, in processing hydraulic control passage, also can process the mounting hole of hydraulic control solenoid valve.And the opening end of hydraulic control passage does not need special-purpose stick harness by closed electromagnetic valve, has reduced manufacture cost, has simplified the structure, cut down number of spare parts.
In described structure, can adopt following structure, that is, the hydraulic control solenoid valve has a valve body, and described hydraulic control solenoid valve is set on the roughly the same plane of the bearing of trend of the vibration-direction of this valve body and flow channel and flow pass.
The length direction of the hydraulic control solenoid valve of this structure and the bearing of trend of flow channel and flow pass are on same plane roughly, further attenuate device, can be installed in narrow space, for example, be installed on the pipe arrangement of the water heater in narrow place and washing machine, on the pipe arrangement of inner narrow positions such as water heater, washing machine.
In described structure, the part of hydraulic control passage double as communication channel.
This structure can reduce the passage that is provided with on the passage housing, simplified structure, makes equipment miniaturization, cuts down finished cost.
In described structure, the membrane valve that plays the passage switching effect between flow channel and flow pass has a plurality of, and described hydraulic control solenoid valve is 1, and the hydraulic control solenoid-driven of a plurality of membrane valve by being connected with the passage housing.
This structure can not only make equipment miniaturization, power saving, the flow of fluid in the time of can also increasing membrane valve and open.
In addition, in described structure, described a plurality of membrane valve has 2, described 2 membrane valves relatively are provided with between flow channel and flow pass, described valve gap has 2, described 2 valve gaps are connected with the passage housing of the back pressure chamber of dividing two membrane valves, and described hydraulic control solenoid valve is 1, and 2 membrane valves of described hydraulic control electromagnetic valve control open and close.
Be provided with two membrane valves and two valve gaps in this structure, the passage housing in clamping symmetrically, and the hydraulic control solenoid valve is connected with the passage housing, can increase flow, power saving, and further make equipment miniaturization.
In described structure, the hydraulic control solenoid valve has the company road, valve body of a part that constitutes the hydraulic control passage and makes the valve seat of passage switching with the valve body break-make.
This structure can be checked the sealing of valve body and valve seat with the hydraulic control solenoid valve as module, eliminates invalid assembling and field-strip, improves operating efficiency.
Description of drawings
Fig. 1 illustrates an embodiment's of the fluid valve that the present invention is correlated with section.
Fig. 2 is the section of the state of hydraulic control solenoid valve work in the fluid valve shown in Figure 1.
Fig. 3 illustrates the valve gap that combines with the passage housing, (a) is its inboard plan view, (b) is the sectional drawing of A-A part.
Fig. 4 illustrates the hydraulic control solenoid valve that combines with the passage housing, (a) is the sectional drawing of valve body on valve seat, (b) is the sectional drawing of valve body away from the state of valve seat.
Fig. 5 is the profile that fluid valve is arranged on the regulation space.
Fig. 6 is other embodiments' of a fluid valve of the present invention sectional drawing.
Fig. 7 is other embodiments' of a fluid valve of the present invention sectional drawing.
Fig. 8 is other embodiments' of a fluid valve of the present invention sectional drawing.
Fig. 9 is other embodiments' of a fluid valve of the present invention sectional drawing.
Figure 10 is other embodiments' of a fluid valve of the present invention sectional drawing.
Among the figure, press the chamber before the RH-, the RL-back pressure chamber, 10,10 ', 110,110 ', 210-passage housing, 11,111,111 ', the 211-flow channel, 13,113,113 ', the 213-flow pass, 14,214-hydraulic control passage, 14a, 214a-the 1st hydraulic control passage, 14b, 214b-the 2nd hydraulic control passage, 15,215-flange part, 15a, 15a ', 215a-inlaid hole, 16,22a, 216-communication channel, 20,20 '-membrane valve, 21-barrier film, 21a-hermetic unit, 22,22 '-increased pressure board, 22a-communication channel, 30,30 '-valve gap, 33,33 '-the groove passage, 40-hydraulic control solenoid valve, the 42-valve body, 45-passage, 46-areole, 47-valve seat.
Embodiment
Below, with reference to the description of drawings embodiments of the invention.
Fig. 1 and Fig. 4 illustrate a kind of embodiment of fluid valve of the present invention.This fluid valve has the flow channel of division fluid (being water) and the passage housing 10 of flow pass herein, the membrane valve of installing in the passage housing 10 20 is with passage housing 10 valve gap 30 that is connected and the hydraulic control solenoid valve 40 that is connected with passage housing 10 of dividing membrane valve 20 back pressure chambers.
As shown in Figures 1 and 2, passage housing 10 is by the flow channel 11 to the rear extension of Fig. 1, at the cylindrical opening 12 of central position towards upper shed, the flow pass 13 that extends from cylindrical opening 12 towards general horizontal direction L is formed back pressure chamber RL and flow pass 13 hydraulic control passage 14 that is communicated with and the flange 15 that hydraulic control solenoid valve 40 usefulness are installed.Open end at flow channel 11 and flow pass 13 forms flange part 11a, the 13a that links to each other with pipe arrangement.
There is flat valve gap 30 top of passage housing 10 as shown in Figures 1 and 2, marks off chamber of septum DR round cylindrical opening, and membrane valve 20 opens and closes cylindrical opening 12 in above-below direction V to-and-fro motion.Chamber of septum DR is made of preceding pressure chamber RH that is communicated with flow channel 11 and the back pressure chamber RL that is positioned at upside at the downside of membrane valve 20.
As shown in Figures 1 and 2, form the 1st hydraulic control passage 14a that is communicated with back pressure chamber RL that extends in parallel with the vibration-direction V of membrane valve 20 on the passage housing 10, extend with bearing of trend almost parallel at the Vertical direction of the vibration-direction V of membrane valve 20 and flow pass 13, and the 2nd hydraulic control passage 14b that is communicated with flow pass 13.Constitute the hydraulic control passage 14 that is communicated with back pressure chamber RL and flow pass 13 by the 1st hydraulic control passage 14a and the 2nd hydraulic control passage 14b.
Form the communication channel 16 of pressing chamber RH and the 1st hydraulic control passage 14a to be communicated with before making on the passage housing 10.Just, constitute the communication channel that preceding chamber RH of pressure and back pressure chamber RL are communicated with,, can simplify channel design, make equipment miniaturization, reduce cost because of double as communication channel on the 1st hydraulic control passage 14a by communication channel 16 and the 1st hydraulic control passage 14a.
As shown in Figures 1 and 2, membrane valve 20 is made of the membrane valve 21 and the increased pressure board 22 of elastically deformable.Increased pressure board 22 is provided with the pod apertures 22b to diversion division 31 water conservancy diversion described later.
The outer circumferential face of membrane valve 21 forms sealing 21a, not only preceding pressure chamber RH and back pressure chamber RL can be separated and seal, also has sealing the 1st hydraulic control passage 14a function on every side concurrently.Therefore, compare, reduced the quantity of part with the special use sealing that is provided with around the 1st hydraulic control passage 14a.
From the pressure of back pressure chamber RL side when big, the membrane valve 20 of said structure moves down as shown in Figure 1, and cylindrical opening 12 is closed, the connection between blocking flow channel 11 and the flow pass 13; On the other hand, as shown in Figure 2 from the pressure of preceding pressure chamber RH side when big, membrane valve 20 moves up, and cylindrical opening is opened, and flow channel 11 is communicated with flow pass 13.
As shown in Figure 3, valve gap 30 is made of flat plate, its inboard core forms projection diversion division 31, the sunk part 32 of the division back pressure chamber RL that assists membrane valve 20 work is arranged in the flat plate and make back pressure chamber RL and the 1st hydraulic control passage 14a be communicated with and divide the access 33 of part hydraulic control passage.In addition, form and passage housing 10 flange connecting 34 at outer peripheral portion.
It is flat tabular that valve gap 30 is, be the aisle spare of guaranteeing that back pressure chamber RL and the 1st hydraulic control passage 14a are communicated with, not valve gap 30 to be made projecting shape and as tube passage, but valve gap 30 is flat and forms groove passage 33, stretch out so can control its outside, keep smooth, guarantee necessary aisle spare to valve gap 30, make the device integral miniaturization, slimming.
The inlaid hole 15a that hydraulic control solenoid valve 40 usefulness are installed is arranged on the flange part 15 of passage housing 10.Inlaid hole 15a and the 2nd hydraulic control passage 14b also are communicated with the 1st hydraulic control passage 14a on same axle.Therefore, available cutting tool with the level is processed the 1st hydraulic control passage 14b and inlaid hole 15a simultaneously, has simplified technology.Moreover communication channel 16 extends to the same direction of the 2nd hydraulic control passage 14b and inlaid hole 15a, can simplify the preparatory work of changing manufacturing procedure.
Hydraulic control solenoid valve 40 is preferably disposed on the roughly the same plane of the central axis of the central axis of flow pass 13 and hydraulic control solenoid valve 40,15a is corresponding with inlaid hole, the bearing of trend almost parallel of its bearing of trend (vibration-direction of aftermentioned valve body 42) and flow pass 13.
That is to say that hydraulic control solenoid valve 40 is connected with passage housing 10 in the place away from valve gap 30.Configuration can reduce the height of device proper like this, integral body is diminished, attenuation.
Hydraulic control solenoid valve 40, as shown in Figure 4, by the cylindric cylindrical part 41 that constitutes magnetic circuit, free reciprocating valve body 42, the spring 43 that is installed in valve body 42 closing directions, field coil 44, the front end that is positioned at cylindrical part 41 extend to the vibration-direction of valve body 42 in cylindrical part 41 passage 45, make the areole 46 of the inner space of cylindrical part 41 and external communications in the side of cylindrical part 41 and the valve seat 47 of the fore-end 42a that is made up of rubber such as valve bodies 42 is formed.
The work of hydraulic control solenoid valve 40 is shown in Fig. 4 (a), and at first, under the state that coil 44 is not switched on, valve body 42 is blocked passage 45 by the thrust and valve seat 47 driving fits of spring 43.Be the blocking state between the inner space of passage 45 and cylindrical part 41 and the areole 46.
On the other hand, under the state of coil 44 energisings, shown in Fig. 4 (b), valve body 42 contends with by the electromagnetic force of generation and the thrust of spring 43, to moving, lifts off a seat 47 in the other direction, and passage 45 is opened.Be connected state between the inner space of passage 45 and cylindrical part 41 and the areole 46.
Like this, in hydraulic control solenoid valve 40, valve body 42 forms one with valve seat 47, when checking the sealing of valve body 42 and valve seat 47, only needs to check hydraulic control solenoid valve 40 monomers.Therefore, during poor sealing, only need change hydraulic control solenoid valve 40.Like this, improve both stock utilizations of passage housing 10 of assembling side, improved efficient on the whole.
Below, the work of this fluid valve of explanation that sees figures.1.and.2.At first, under the state of do not work at hydraulic control solenoid valve 40 (not energising), the valve body 42 of hydraulic control solenoid valve 40 is on valve seat 47 as shown in Figure 1, and hydraulic control passage 14 (the 1st hydraulic control passage 14a and the 2nd hydraulic control passage 14b) is closed condition.
At this moment, the pressure in the flow channel 11 acts on the back pressure chamber RL through preceding pressure chamber RH, communication channel 16 and the 1st hydraulic control passage 14a, and preceding pressure chamber RH is identical with the pressure of back pressure chamber RL, because of the compression area of back pressure chamber RL big, membrane valve 20 pushes away downwards, and near cylindrical opening 12, passage promptly is closed condition.The current that flow to flow pass 13 from flow channel 11 are blocked.
Under the state of hydraulic control solenoid valve 40 work (energising), the valve body 42 of hydraulic control solenoid valve 40 lifts off a seat 47 as shown in Figure 2.The 1st hydraulic control passage 14a, communication channel 16, areole 46, passage the 45, the 2nd hydraulic control passage 14b are communicated with, and the water in back pressure chamber RL and the preceding pressure chamber RH flows to flow pass 13 by hydraulic control passage 14.Like this, the pressure of back pressure chamber RL descends, and membrane valve 20 moves up by the hydraulic pressure in the flow channel 11, leaves cylindrical opening 12, and passage is opened.Water is 13 outflows from flow channel 11 towards flow pass.
Described as shown in Figure 5 fluid valve is shorter and thin than former product, compares with the height To space that former product is required, and the following D and the top U that can be installed in easily by height Tn divide narrow position.
Fig. 6 is the fluid valve that the part shown in Fig. 1 and Fig. 4 changes other embodiments of embodiment, because of structure is identical, only puts on identical symbol and has omitted explanation.This fluid valve, as shown in Figure 6, the groove passage 33 of valve gap 30 ' upward formation ' be darker rectangle, near the opening of the 1st hydraulic control passage 14a, widen.
The action of this fluid valve is basic identical with described embodiment, responsiveness is good, especially because of groove passage 33 ' aisle spare increase channel resistance and reduce, from back pressure chamber RL to the 1st hydraulic control passage 14a or to flow to the current of back pressure chamber RL from communication channel 16 and hydraulic control passage 14a unblocked.The hydraulic control solenoid valve 40 of this device away from planar valve gap 30 ' the place combine with passage housing 110, and, make device integral body reach miniaturization, slimming by valve gap 30 ' go up formed groove passage 33 ' component part hydraulic control passage.
Fig. 7 illustrates other embodiments of fluid valve of the present invention.Its structure is identical with described embodiment, only puts on identical symbol and has omitted explanation.
As shown in Figure 7, in this fluid valve, passage housing 110 marks off flow channel 11 that extends to substantially horizontal L and the flow pass 113 that extends to Vertical direction V.That is to say the membrane valve 20 ' responsible cylindrical opening that is positioned at flow pass 113 tops of extending down that opens and closes.
The 2nd hydraulic control passage 14b and inlaid hole 15a extend in parallel to the bearing of trend L of flow channel 11.Therefore, hydraulic control solenoid valve 40 is installed on the inlaid hole 15a, each central axis is then on same plane roughly.
That is, hydraulic control solenoid valve 40 leave planar valve gap 30 ' the place combine with passage housing 110, by valve gap 30 ' on groove passage 33 ' mark off part hydraulic control passage, make the device integral miniaturization, slimming.
In this fluid valve, 40 1 work of hydraulic control solenoid valve, hydraulic control passage 14 is just opened, and the water of back pressure chamber RL flows to flow pass 113 by hydraulic control passage 14.The pressure of back pressure chamber RL descends, and membrane valve 20 ' move up leaves cylindrical opening 113a, and passage is opened.Water just flows to flow pass 113 from flow channel 11.
On the other hand, hydraulic control solenoid valve 40 is not worked, hydraulic control passage 14 is just closed, water just flows to back pressure chamber RL from flow channel 11 through preceding pressure chamber RH, communication channel 16 and the 1st hydraulic control passage 14a, in the flow channel 11 and the pressure between the back pressure chamber RL roughly the same, the compression area of back pressure chamber RL side is big, membrane valve 20 ' move down, cylindrical opening 113a closes, and water just stops to flow.
This fluid valve be subjected to valve gap 30 ' the restriction of superjacent air space, be suitable for being installed in the position of draining down, for example, the waste pipe place of water heater, washing machine etc.
Fig. 8 is a part change embodiment's shown in Figure 7 fluid valve, because of structure is identical, only puts on identical symbol and has omitted explanation.In this fluid valve, as shown in Figure 8 the flow channel 111 that extends to Vertical direction V by passage housing 110 ' mark off ' and flow pass 113 of extending to substantially horizontal L '.
Membrane valve 20 ' with flow pass 113 ' be communicated with, be responsible for opening and closing cylindrical opening 112 towards upper shed, flow channel 111 ' the past is pressed the lower aperture of chamber RH towards Vertical direction V.In addition, flow channel 111 ' peripheral part have and connect with screw 111a ', filter 111b has been installed in inside.
In this fluid valve, hydraulic control solenoid valve 40 1 work, hydraulic control passage 14 is just opened, the water of back pressure chamber RL through hydraulic control passage 14 flow to flow pass 113 '.The pressure of back pressure chamber RL descends, and membrane valve 20 ' just move up leaves cylindrical opening 112, and passage is opened.Water just from flow channel 111 ' flow to flow pass 113 '.
On the other hand, hydraulic control solenoid valve 40 is not worked, hydraulic control passage 14 is just closed, water through flow channel 111 ', preceding pressure chamber RH, communication channel 16 and the 1st hydraulic control passage 14a flow to back pressure chamber RL, it is identical that flow channel 111 ' interior and pressure in the back pressure chamber RL become, because of the compression area of back pressure chamber RL side is big, thus membrane valve 20 ' move down, cylindrical opening 112 is closed, and water just stops to flow.
This fluid valve is also identical with described situation, hydraulic control solenoid valve 40 away from planar valve gap 30 ' place and passage housing 110 ' combine, and by valve gap 30 ' on groove passage 33 ' mark off part hydraulic control passage.So, install whole Miniaturizable, slimming.Be particularly useful for valve gap 30 ' superjacent air space limited, from the place of following feedwater to the substantially horizontal draining, for example, the pipe arrangement place of water heater and washing machine.
Fig. 9 is at Fig. 1 and the liquid valve that has changed the installation direction of hydraulic control solenoid valve 40 embodiment illustrated in fig. 4, because of structure is identical, only puts on identical symbol and has omitted explanation.In this fluid valve as shown in Figure 9 inlaid hole 15a ' down, the installation of hydraulic control solenoid valve 40 is parallel with the above-below direction V of its bearing of trend (vibration-direction of valve body 42), is parallel with the 1st hydraulic control passage 14a.In addition, passage housing 10 ' be provided with the communication channel of pressing chamber RH and the 1st hydraulic control passage 14a before being communicated with, the connection between preceding pressure chamber RH and the back pressure chamber RL only depends on the communication channel 22a of membrane valve 20 to be communicated with.
In this fluid valve, 40 1 work of hydraulic control solenoid valve, hydraulic control passage 14 is just opened, and the water of back pressure chamber RL flows to flow pass 13 through hydraulic control passage 14 (the 1st hydraulic control passage 14a and the 2nd hydraulic control passage 14b).
Like this, the pressure of back pressure chamber RL descends, and membrane valve 20 moves up, and drum opening 12 is opened, and water flows to flow pass 13 from flow channel 11.
Hydraulic control solenoid valve 40 is not worked, hydraulic control passage 14 is just closed, the water of flow channel 11 and preceding pressure chamber RH flows to back pressure chamber RL through communication channel 22a, in the flow channel 11 and the change of the pressure in the back pressure chamber RL identical, because of the compression area of back pressure chamber RL side big, membrane valve 20 moves down, and cylindrical opening 12 is closed, and water just stops to flow.
This fluid valve is identical with described situation, and hydraulic control solenoid valve 40 is away from the place of planar valve gap 30 and passage housing 10 ' combine, and marks off part hydraulic control passage by the groove path 33 on the valve gap 30.So device integral body reaches miniaturization, slimming.Be particularly useful for valve gap 30 ' superjacent air space limited, the place in some spaces is arranged below, for example, the level of water heater and washing machine is installed the pipe arrangement place.
Figure 10 illustrates other embodiments of fluid valve of the present invention.This fluid valve has the flow channel 211 of division water and the passage housing 210 of flow pass 213, be installed in two membrane valves 20 in the passage housing 210 ', two valve gaps 30 that are connected with the passage housing 210 of the back pressure chamber RL that divides two membrane valves 20 ' with a hydraulic control solenoid valve 40 that is connected with passage housing 210 etc.
As shown in figure 10, passage housing 210 is by the flow channel 211 that extends back in Figure 10, be positioned at two cylindrical opening 212a, the 212bs of substantial middle part towards upper and lower opening, from cylindrical opening 212a, 212b flow pass 213 to substantially horizontal L extension, hydraulic control passage 214, flange 215 compositions such as grade of installation hydraulic control solenoid valve 40.The open end of flow channel 211 and flow pass 213 forms the flange 211a that connecting pipings is used, 213a.
Two flat valve gaps 30 ' be connected as shown in figure 10 with the upper and lower of passage housing 210, and round cylindrical opening 212a, 212b, mark off barrier film valve chamber DR respectively, make each membrane valve 20 ' direction V to-and-fro motion up and down, make cylindrical opening 212a, 212b opens and closes.And clamping membrane valve 20 ', form jointly the preceding pressure chamber RH of () in the inboard, form two back pressure chamber RL in the outside.
In addition, as shown in figure 10, form on the passage housing 210 with membrane valve 20 ' vibration-direction V almost parallel two the 1st hydraulic control passage 214a extending and be communicated with back pressure chamber RL respectively, with membrane valve 20 ' vertical and the 2nd hydraulic control passage 214b that be communicated with flow pass 213 with the bearing of trend L almost parallel extension of flow pass 213 of vibration-direction V; Formation is communicated with the hydraulic control passage 214 of back pressure chamber RL and flow pass 213 by the 1st hydraulic control passage 14a and the 2nd hydraulic control passage 14b.
And, form the communication channel 16 of pressing the 1st hydraulic control passage 214a of a chamber RH and a side before being communicated with on the passage housing 210.The 1st hydraulic control passage 214a of opposite side is communicated with the 1st hydraulic control passage 214a of a side by inlaid hole 215a, so also be communicated with communication channel 216.Hydraulic control solenoid valve 40 and inlaid hole 215a setting-in, the bearing of trend L of its bearing of trend and flow pass 213 is in same direction.
In this fluid valve, hydraulic control solenoid valve 40 1 work, hydraulic control passage 214 is just opened, and the water of two back pressure chamber RL flows to flow pass 213 through hydraulic control passage 214 (two the 1st hydraulic control passage 214a and the 2nd hydraulic control passage 214b).Like this, the pressure of back pressure chamber RL descends, two membrane valves 20 ' move away cylindrical opening 212a, 212b respectively, and passage is opened, and water flows to flow pass 213 from flow channel 211.
At this moment, because of two cylindrical opening 212a, 212b all opens, and the flow when opening than a cylindrical opening is big.
On the other hand, hydraulic control solenoid valve 40 is not worked, hydraulic control passage 214 is just closed, the water of flow channel 211 and preceding pressure chamber RH flows to back pressure chamber RL respectively through communication channel 216 and two the 1st hydraulic control passage 214a, in the flow channel 211 and the change of the pressure in the back pressure chamber RL identical, because of the compression area of back pressure chamber RL side is big, membrane valve 20 moves, cylindrical opening 212a, 212b close, and water stops to flow.
Be provided with symmetrically on this fluid valve two membrane valves 20 ' and planar valve gap 30 ', 210 clampings of passage housing, hydraulic control solenoid valve 40 leave planar valve gap 30 ' the place be connected with passage housing 210, and the groove passage 33 form by valve gap 30 ' go up ' mark off part hydraulic control passage, can make equipment miniaturization and slimming, power saving and augmented flow.Therefore, this fluid valve be applicable to as shown in Figure 5 valve gap 30 ' the place of limited space up and down, be particularly suitable for requiring the pipe arrangement place of the water heater and the washing machine of big flow.
Moreover fluid valve also can be to make cylindrical opening 212a as shown in figure 10, and 212b is communicated with, and flow pass 213 is become one, but cylindrical opening 212a, 212b is not communicated with, and the structure of two flow pass and two place's outflow openings is set.
In the above-described embodiments, the flow channel on the mounting point of hydraulic control solenoid valve 40 and direction and the passage housing or the bearing of trend almost parallel of flow pass, but also can be not limited thereto, also can leave the valve gap 30,30 of dividing the membrane valve back pressure chamber ' the position on, install slightly obliquely relatively with the passage housing.
Fluid valve shown in Figure 10 has adopted two membrane valves 20 ' and valve gap 30 ' as a plurality of membrane valves and valve gap, but also can be not limited thereto, also can adopt with 40 drivings of a hydraulic control solenoid valve more than 3 membrane valve and the structure of valve gap.
And, showing fluid valve in the above-described embodiments is fit to be installed on the water pipe of water heater and washing machine, but also can be not limited thereto, also be applicable to the wet goods fluid means of controlling beyond dewatering, be particularly suited for being installed in the place that the space is restricted, be fit to also be installed in that to be horizontally disposed with pipe arrangement limited and be installed in narrow and small local pipe arrangement places, space such as sidewall.
In sum, fluid valve of the present invention is provided with the planar valve gap of the back pressure chamber of the membrane valve of dividing passage switching on the passage housing of dividing flow channel and flow pass, be arranged on the place of the planar valve gap of the hydraulic control solenoid valve that leaves the switching of control membrane valve, owing to be provided with the groove passage that marks off part hydraulic control passage on the planar valve gap, controllable device is outstanding to the top of back pressure chamber, make equipment miniaturization, slimming, thus can install at narrow space easily.
In addition, the hydraulic control passage constitutes by the 1st hydraulic control passage that extends with the vibration-direction almost parallel of membrane valve with the 2nd hydraulic control passage that the direction of the vibration-direction approximate vertical of membrane valve is extended, the hydraulic control solenoid valve is in the attachment portion combination of the 1st hydraulic control passage and the 2nd hydraulic control passage, simplified the hydraulic control passage, make the simple of processing change, also can process the mounting hole of hydraulic control solenoid valve in the time of processing hydraulic control passage.Like this, just reduce manufacture cost, simplified the structure, further cut down part number.
In addition, because of many membrane valves lean on a hydraulic control solenoid-driven, the device Miniaturizable, power saving also can increase flow.
In the hydraulic control solenoid valve, the valve seat that the valve body break-make opens and closes communication channel becomes one, and can be used as module management, separates with the passage housing, is convenient to check the sealing of valve body and valve seat, eliminates unnecessary assembly and disassembly, increases work efficiency.
Claims (7)
1. fluid valve mechanism, have the flow channel of division fluid and the passage housing of flow pass, between described flow channel and flow pass, play the membrane valve of passage switching effect, communication channel with preceding pressure chamber that makes described membrane valve and back pressure chamber connection, make the back pressure chamber of described membrane valve and the hydraulic control passage that described flow pass is communicated with, with described hydraulic control passage switching hydraulic control solenoid valve, it is characterized in that: also have the planar valve gap, it combines with the described passage housing of dividing described back pressure chamber, form the groove passage of dividing a described hydraulic control passage part simultaneously, described hydraulic control solenoid valve is connected with described passage housing in the place away from described valve gap.
2. fluid valve mechanism according to claim 1, it is characterized in that: described hydraulic control passage have the 1st hydraulic control passage that the vibration-direction with described membrane valve extends in parallel and with vertically extending the 2nd hydraulic control passage of the vibration-direction of described membrane valve, described hydraulic control solenoid valve is connected with described passage housing in the attachment portion of described the 1st hydraulic control passage and described the 2nd hydraulic control passage.
3. fluid valve mechanism according to claim 1 and 2 is characterized in that: described hydraulic control solenoid valve has a valve body, and described hydraulic control solenoid valve is set on the same one side of bearing of trend of the reciprocating direction of this valve body and described flow channel and flow pass.
4. fluid valve mechanism according to claim 1 and 2 is characterized in that: the part of the described communication channel of described hydraulic control passage double as.
5. according to each described fluid valve mechanism in claim 1 or 2, it is characterized in that: the membrane valve that plays the passage switching effect between described flow channel and flow pass has a plurality of, described hydraulic control solenoid valve is 1, and the described hydraulic control solenoid-driven of described a plurality of membrane valve by being connected with described passage housing.
6. fluid valve mechanism according to claim 5, it is characterized in that: described a plurality of membrane valves have 2, described 2 membrane valves are oppositely arranged between described flow channel and flow pass, described valve gap has 2, described 2 valve gaps are connected with the described passage housing of the back pressure chamber of dividing described 2 membrane valves, described hydraulic control solenoid valve is 1, the switching of described 2 membrane valves of described hydraulic control electromagnetic valve.
7. fluid valve mechanism according to claim 1 and 2 is characterized in that: described hydraulic control solenoid valve has passage, the valve body of a part that constitutes described hydraulic control passage and the valve seat that makes described passage switching with described valve body break-make.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001326562 | 2001-10-24 | ||
| JP2001326562A JP2003130248A (en) | 2001-10-24 | 2001-10-24 | Fluid valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1414272A CN1414272A (en) | 2003-04-30 |
| CN1316189C true CN1316189C (en) | 2007-05-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02147009XA Expired - Fee Related CN1316189C (en) | 2001-10-24 | 2002-10-22 | Fluid valve device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2003130248A (en) |
| CN (1) | CN1316189C (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3984197B2 (en) * | 2003-06-27 | 2007-10-03 | リンナイ株式会社 | Solenoid switching valve |
| JP4916233B2 (en) * | 2006-06-26 | 2012-04-11 | 株式会社ミクニ | Engine cooling system |
| JP4767875B2 (en) * | 2007-02-15 | 2011-09-07 | リンナイ株式会社 | Pilot type on-off valve |
| JP5125265B2 (en) * | 2007-07-04 | 2013-01-23 | マックス株式会社 | Gas fired driving tool |
| KR200449604Y1 (en) * | 2008-02-19 | 2010-07-23 | (주)포에스텍 | The opening and shutting valve where the solenoid is had in the side |
| JP2010031956A (en) * | 2008-07-29 | 2010-02-12 | Mikuni Corp | Solenoid valve and electromagnetic feed valve |
| CN102003273B (en) * | 2010-12-14 | 2012-12-19 | 湖南天雁机械有限责任公司 | Electric control mechanical valve for turbocharger |
| JP6016418B2 (en) * | 2012-04-06 | 2016-10-26 | 株式会社ミクニ | Gas control valve |
| JP2015224649A (en) * | 2014-05-26 | 2015-12-14 | 株式会社不二工機 | Two-stage pilot type solenoid valve |
| JP6216738B2 (en) * | 2015-05-26 | 2017-10-18 | Ckd株式会社 | Pilot operated solenoid valve |
| US11892094B2 (en) | 2017-09-07 | 2024-02-06 | Neoperl Gmbh | Valve arrangement |
| DE202017105426U1 (en) | 2017-09-07 | 2018-12-10 | Neoperl Gmbh | valve assembly |
| CN111457148B (en) * | 2019-01-21 | 2023-06-20 | 浙江三花商用制冷有限公司 | Pilot-operated electromagnetic valve |
| WO2022262153A1 (en) * | 2021-10-09 | 2022-12-22 | 宁津美华工业有限公司 | Diaphragm valve bonnet, straight-through diaphragm valve, and fluid control system |
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|---|---|---|---|---|
| US4058287A (en) * | 1975-09-19 | 1977-11-15 | Automatic Switch Company | Pilot-operated valve having constant closing rate |
| US4967996A (en) * | 1988-06-28 | 1990-11-06 | Masako Kiyohara | Pilot type controlled electromagnetic valve system |
| US5520366A (en) * | 1991-09-19 | 1996-05-28 | Goyen Controls Co. Pty. Limited | Rapid pulse delivery diaphragm valve |
| JPH09217844A (en) * | 1996-02-14 | 1997-08-19 | Shinei Kogyo Kk | Fluid control valve |
| CN2378588Y (en) * | 1999-06-10 | 2000-05-17 | 林�建 | Diaphragm on-off valve with electromagnetic guide valve |
| CN2449021Y (en) * | 2000-10-30 | 2001-09-19 | 吴德富 | Two-position two-way diaphragm electromagnetic valve |
| CN2454594Y (en) * | 2000-08-23 | 2001-10-17 | 北京同创恒远科技发展有限公司 | Guided control valve |
-
2001
- 2001-10-24 JP JP2001326562A patent/JP2003130248A/en active Pending
-
2002
- 2002-10-22 CN CNB02147009XA patent/CN1316189C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058287A (en) * | 1975-09-19 | 1977-11-15 | Automatic Switch Company | Pilot-operated valve having constant closing rate |
| US4967996A (en) * | 1988-06-28 | 1990-11-06 | Masako Kiyohara | Pilot type controlled electromagnetic valve system |
| US5520366A (en) * | 1991-09-19 | 1996-05-28 | Goyen Controls Co. Pty. Limited | Rapid pulse delivery diaphragm valve |
| JPH09217844A (en) * | 1996-02-14 | 1997-08-19 | Shinei Kogyo Kk | Fluid control valve |
| CN2378588Y (en) * | 1999-06-10 | 2000-05-17 | 林�建 | Diaphragm on-off valve with electromagnetic guide valve |
| CN2454594Y (en) * | 2000-08-23 | 2001-10-17 | 北京同创恒远科技发展有限公司 | Guided control valve |
| CN2449021Y (en) * | 2000-10-30 | 2001-09-19 | 吴德富 | Two-position two-way diaphragm electromagnetic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003130248A (en) | 2003-05-08 |
| CN1414272A (en) | 2003-04-30 |
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