CN103672039A - Multi-unit water supply electromagnetic valve - Google Patents
Multi-unit water supply electromagnetic valve Download PDFInfo
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- CN103672039A CN103672039A CN201310343172.4A CN201310343172A CN103672039A CN 103672039 A CN103672039 A CN 103672039A CN 201310343172 A CN201310343172 A CN 201310343172A CN 103672039 A CN103672039 A CN 103672039A
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- water supply
- electromagnetic valve
- diaphragm plate
- barrier film
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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
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/24—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
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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
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a multi-unit water supply electromagnetic valve which does not generate noise and is excellent in silence property when water supply is on or off. For at least one of multiple electromagnetic valve units constituting the multi-unit water supply electromagnetic valve, a separation membrane assembly (6) mounted therein comprises a separation membrane plate (61) and a separation membrane (62), wherein the separation membrane plate (61) comprises a flat plane part (61e) and a circumferential wall part (61f) erected towards one direction from the circumference of the flat plane part (61e); and the separation membrane (62) comprises a planar water supply cutting-off part (62a) in planar contact with the flat plane part, a fixed part (62b) fixed on a main body (11), and an elastic deformation part (62c) formed between the water supply cutting-off part and the fixed part. When the separation membrane is assembled on the separation membrane plate and the circumferential wall part and the elastic deformation part are arranged oppositely, at least a part between the water supply cutting-off part and the elastic deformation part forms a gap part (64).
Description
Technical field
The present invention relates to possess the multiple water supply electromagnetic valve of guide electromagnetic valve and direct action solenoid valve.
Background technique
In the common people's livelihood raising by the performance of machine such as automatic washing machine, fully-automatic washing dryer etc., the demand for an inflow entrance with the multiple water supply electromagnetic valve of the different a plurality of outflow openings of the flow of water of outflow grows to even greater heights.In addition, follow it, require to suppress the component costs of multiple water supply electromagnetic valve, and by the height of the hydraulic pressure of inflow entrance, do not limited and the certain situation of flow of the water guaranteeing to flow out from outflow opening increases.Especially at tiny flow quantity with in water supply electromagnetic valve, must prevent that foreign matter from sneaking into the low of caused Flow characteristics.
In order to tackle these requirements, the application's claimant has formerly proposed a kind of a plurality of multiple water supply electromagnetic valves of solenoid valve that carry out the switching of valve by opening and closing throttle orifice that have, it is characterized in that, the first solenoid valve in above-mentioned solenoid valve is the guide electromagnetic valve that possesses the first septum assembly and flow control device parts, this first septum assembly has the first diaphragm plate of the hard part that is provided with throttle orifice, be assemblied in the first barrier film of the soft parts on this first diaphragm plate and the surge pressure reduction parts of reduction surge pressure, these flow control device parts are to the spue fluid of first flow of regulation of the outlet pipe being communicated with first-class outlet, the second solenoid valve in above-mentioned solenoid valve is the direct action solenoid valve that possesses the second septum assembly and tiny flow quantity controlling mechanism parts, this second septum assembly has the second diaphragm plate of the hard part that is provided with throttle orifice, be assemblied in the second barrier film of the soft parts on this second diaphragm plate and be arranged on the reticulated work on the hole that connects above-mentioned the second diaphragm plate and above-mentioned the second barrier film, these tiny flow quantity controlling mechanism parts are to the spue fluid of the second flow of the regulation that is less than above-mentioned first flow of the outlet pipe being communicated with second outlet, above-mentioned the second diaphragm plate has the positioning part (referring to the 0009th section of patent documentation 1) that fixes above-mentioned the second septum assembly with stream wall butt.
The multiple water supply electromagnetic valve of recording in patent documentation 1, in the first solenoid valve as guide electromagnetic valve, possess flow control device parts, and in the second solenoid valve as direct action solenoid valve, possess tiny flow quantity controlling mechanism parts, therefore, can be not by the height of the hydraulic pressure of inflow entrance, do not limited and make the flow of the water that flows out from the outflow opening of each solenoid valve certain.In addition, the multiple water supply electromagnetic valve of recording in patent documentation 1 is provided with reticulated work on connecting as second diaphragm plate of the second solenoid valve of direct action solenoid valve and the hole of the second barrier film, therefore, can prevent that foreign matter from invading throttle orifice, and can prevent that foreign matter from sneaking into the low of caused Flow characteristics.And then, due to multiple water supply electromagnetic valve butt second barrier film in the synthetic resin part of the second diaphragm plate of recording in patent documentation 1, therefore, without the O shape circle etc. that is provided for water-stop between the second diaphragm plate and the second barrier film, can seek to reduce the cost degradation of the multiple water supply electromagnetic valve that parts number of packages brings.
Patent documentation 1: TOHKEMY 2012-77785 communique
But the multiple water supply electromagnetic valve of recording in patent documentation 1 is sometimes sending noise from the first septum assembly by the first solenoid valve when confession water state is switched to water supply halted state.Present inventor obtains following opinion after studying with keen determination for the occurrence cause of this noise.The occurrence cause of the noise that present inventor obtains is described with Figure 13 (a), Figure 13 (b) below.
In these figure, symbol 10 represents the iron plate as substrate, and symbol 11 represents to be arranged on the main body of iron plate 10 face side, and symbol 5 represents to be arranged on the plunger unit of iron plate 10 back side, and symbol 6 represents by the driven and septum assembly 6 of switch of plunger unit 5.Septum assembly 6 comprises as the diaphragm plate 61 of the hard of forming synthetic resin product and the soft barrier film 62 that formed by rubber etc.When the solenoid 55 that plunger unit 5 is possessed is switched on, the plunger 51 of magnetic moves to right in the drawings, and the plunger sheet 52 that is arranged on the front end of plunger 51 leaves the throttle orifice 61b of the front end that is formed on diaphragm plate 61.When becoming this state, be formed on pressure in the inflow chamber 12 in main body 11 higher than the pressure in the back pressure chamber 13 being formed between main body 11 and plunger unit 5, soft barrier film 62 distortion, septum assembly 6 moves to right in the drawings, therefore as shown in Figure 13 (b), produce gap being formed between sealing lip 15 in main body 11 and barrier film 62.Therefore, never illustrated tap water inflow entrance flows to the tap water flowing in chamber 12, by the gap producing between sealing lip 15 and barrier film 62, in inflow and outflow pipe 14, from outlet pipe 14, flows out to outside.
When from this state, cut off solenoid 55 energising time, the plunger 51 of magnetic in the drawings left direction move, the plunger sheet 52 that is arranged on the front end of plunger 51 is pushed by the throttle orifice 61b to being formed on the front end of diaphragm plate 61.When becoming this state, because the water in back pressure chamber 13 has lost place to go, so the pressure in back pressure chamber 13 is higher than the pressure flowing in chamber 12, septum assembly 6 in the drawings left direction move, therefore as shown in Figure 13 (a), barrier film 62 is close on the sealing lip 15 being formed in main body 11.Therefore, water stops flowing out from outlet pipe 14.
As shown in Figure 13 (a), the multiple electromagnetism water supply valve of recording in patent documentation 1 is configured to, and the state that stops flowing out from outlet pipe 14 at water, diaphragm plate 61 and barrier film 62 are close to its opposed faces and side on the whole.Therefore, when barrier film 62 is out of shape along with the switch of solenoid 55, between diaphragm plate 61 and barrier film 62, (particularly between the side of these two parts 61,62) produces friction, owing to acting on two frictional force between parts 61,62, produces noise.
Summary of the invention
The present invention has put in order to solve the problems referred to above of prior art existence, and its object is to provide when supplying water and water supply stops Shi Buhui generation noise, the multiple water supply electromagnetic valve of solemn silence excellence.
In order to solve such problem, the multiple water supply electromagnetic valve that the application's scheme 1 relates to, is characterized in that, possesses a plurality of solenoid valves, and described solenoid valve has: make solenoidal energising forward drive or retreat the plunger unit of drive plunger intermittently, and according to the forward drive of above-mentioned plunger or retreat and drive the septum assembly open or close the water supply stream being formed in main body, above-mentioned septum assembly comprises the diaphragm plate of the hard that is provided with throttle orifice, with the soft barrier film being assemblied on this diaphragm plate, at least one above-mentioned septum assembly possessing in above-mentioned a plurality of solenoid valve is configured to, above-mentioned diaphragm plate has the planar surface portion that supports above-mentioned barrier film with face, and the surrounding wall portion erecting to a direction from the periphery of this planar surface portion, being assemblied in above-mentioned barrier film on this diaphragm plate has the plane water supply contacting with the planar surface portion of above-mentioned diaphragm plate with face and blocks portion, be fixed on the fixing part in aforementioned body, and be formed on these water supply and block the resiliently deformable portion between portion and fixing part, on above-mentioned diaphragm plate, assemble above-mentioned barrier film, while configuring opposed to each other the surrounding wall portion of above-mentioned diaphragm plate and the resiliently deformable portion of above-mentioned barrier film, at least a portion between above-mentioned surrounding wall portion and above-mentioned resiliently deformable portion is formed with this two discontiguous gap parts of portion.
The effect of invention
According to the present invention, in at least a portion due to the resiliently deformable portion of the surrounding wall portion at diaphragm plate and barrier film opposed with it, be provided with in water supply and block non-touching gap part under state, therefore, even if barrier film is out of shape along with solenoidal switching over, also can the frictional force of reducing effect between these surrounding wall portion and resiliently deformable portion, prevent or suppress the generation of the noise that frictional force causes.
Accompanying drawing explanation
Fig. 1 is the stereogram of the multiple water supply electromagnetic valve that relates to of mode of execution.
Fig. 2 means the sectional view of structure of the inflow entrance part of the multiple water supply electromagnetic valve that mode of execution relates to.
Fig. 3 is the sectional view that is assemblied in the guide electromagnetic valve in the multiple water supply electromagnetic valve that mode of execution relates to.
Fig. 4 means the structure of leading type septum assembly and the sectional view of action that guide electromagnetic valve that mode of execution relates to possesses.
Fig. 5 is assemblied in guide electromagnetic valve in the multiple water supply electromagnetic valve that mode of execution relates to and the sectional view of direct action solenoid valve.
Fig. 6 is side view and the stereogram of the flow dontroller that possesses of guide electromagnetic valve that mode of execution relates to.
Fig. 7 is the sectional view that is equipped with the flow dontroller of flow pad.
Fig. 8 means the sectional view of the deformation state of the flow pad while applying hydraulic pressure.
Fig. 9 is the amplification view that is assemblied in the direct action solenoid valve in the multiple water supply electromagnetic valve that mode of execution relates to.
Figure 10 is the stereogram that the direct-acting type that relates to from mode of execution is observed by the back side of diaphragm plate.
Figure 11 is the exploded perspective view of septum assembly for the direct-acting type that relates to of mode of execution.
Figure 12 is the sectional view of diaphragm plate for the direct-acting type that relates to of mode of execution.
Figure 13 means the structure of leading type septum assembly and the sectional view of action that guide electromagnetic valve that the application's claimant formerly proposes possesses.
In figure, 1-multiple water supply electromagnetic valve, 2C-water supply electromagnetic valve unit (the first solenoid valve), 2D-water supply electromagnetic valve unit (the second solenoid valve), 3-inflow entrance, 31-inflow entrance filter, 32-inflow entrance flow control device parts, 4A, 4B-outflow opening, 4C-outflow opening (first-class outlet), 4D-outflow opening (second outlet), 5-plunger unit, 51-plunger, 52-plunger sheet, 53-helical spring, 54-pipe, 54a-cylinder portion, 54b-lip part, 54c-water-stop portion, 55-solenoid, 56-york piece, 6-septum assembly (the first septum assembly), 61-diaphragm plate (the first diaphragm plate), 61a-side throttle orifice, 61b-throttle orifice (first segment discharge orifice), 61c-cylindrical part, 61d-straightener(stator) blade, the bight of 61e-diaphragm plate, 61e-planar surface portion, 61f-surrounding wall portion, 61g-rounding (R), 62-barrier film (the first barrier film), portion is blocked in 62a-water supply, 62b-fixing part, 62c-resiliently deformable portion, 63-surge pressure reduces parts, 64-gap part, 7-flow control device parts, 71-flow dontroller, 72-flow pad, 73-center axis body, 74-protuberance body, 75-engaging portion, 76-breach, 77-stream, 78-gap, 8-direct-acting type septum assembly (the second septum assembly), diaphragm plate for 81-direct-acting type (the second diaphragm plate), 81a-hole, 81b-throttle orifice (second section discharge orifice), 81c-lug boss (positioning part), 81d-position (synthetic resin position), barrier film for 82-direct-acting type (the second barrier film), 82a-hole, 83-reticulated work, 9-tiny flow quantity controlling mechanism parts, 10-iron plate, 11-main body, 12-inflow chamber, 13-back pressure chamber, 14-outlet pipe, 15-sealing lip, 16-parts assembly department.
Embodiment
Below, for the multiple water supply electromagnetic valve of fully-automatic washing dryer, be example, with reference to accompanying drawing, explain for implementing mode of the present invention.Certainly, the multiple water supply electromagnetic valve the present invention relates to is not limited to for fully-automatic washing dryer, about the quantity of inflow entrance and outflow opening, is also not limited to the quantity of recording in this specification.
Multiple water supply electromagnetic valve 1
As shown in Figure 1, the multiple water supply electromagnetic valve 1 that embodiments of the present invention relate to is to possess water supply electromagnetic valve unit 2A, 2B, 2C, the tetrad formula water supply electromagnetic valve of 2D.Multiple water supply electromagnetic valve 1 possesses iron plate 10 as substrate, be arranged on iron plate 10 face side main body 11 and be arranged on four plunger unit 5 of iron plate 10 back side.
Return to Fig. 1, to outflow opening 4A, 4B, 4C, 4D describes.Outflow opening 4A is connected with the outer barrel (not shown) of fully-automatic washing dryer by connecting hose (not shown).By opening water supply electromagnetic valve unit 2A, from outflow opening 4A to outer barrel, supply with the tap water of large flow grade.Along band explanation, water supply electromagnetic valve unit 2A is when the washing running of fully-automatic washing dryer or during water storage rinsing running, the parts that use when supplying water in outer barrel.In addition, be described in detail later, but water supply electromagnetic valve unit 2A is guide electromagnetic valve (referring to Fig. 3).
Outflow opening 4B is connected with the outer bung (not shown) of fully-automatic washing dryer by connecting hose (not shown).By opening water supply electromagnetic valve unit 2B, from outflow opening 4B by the tap water of large flow grade from the ejiction opening of bung in the cylinder (not shown) of fully-automatic washing dryer, supply with.Along band explanation, when supplying water, the mode that water supply electromagnetic valve unit 2B sprays tap water with direct clothing in cylinder when the rinsing of fully-automatic washing dryer is turned round uses.In addition, be described in detail later, but water supply electromagnetic valve unit 2B is also guide electromagnetic valve (referring to Fig. 3).
Outflow opening 4C is connected with the detergent box (not shown) of fully-automatic washing dryer by connecting hose (not shown).By opening water supply electromagnetic valve unit 2C, from outflow opening 4C to detergent box, supply with the tap water of small flow grade.In addition, be described in detail later, but water supply electromagnetic valve unit 2C is also the guide electromagnetic valve (referring to Fig. 5) that possesses flow control device parts 7.
Outflow opening 4D is connected with the water-cooled desiccant body (not shown) of fully-automatic washing dryer by connecting hose (not shown).By opening water supply electromagnetic valve unit 2D, from outflow opening 4D to water-cooled desiccant body, supply with the tap water of tiny flow quantity grade.In addition, be described in detail later, but water supply electromagnetic valve unit 2D possesses the direct action solenoid valve (referring to Fig. 5 and Fig. 9) of septum assembly 8 and tiny flow quantity controlling mechanism parts 9 for direct-acting type.
Water supply electromagnetic valve unit 2A, 2B
Then, water supply electromagnetic valve unit 2A multiple water supply electromagnetic valve 1 being possessed with Fig. 3,2B describes.In addition, due to water supply electromagnetic valve unit 2A, 2B has identical structure, therefore, only water supply electromagnetic valve unit 2A is described, and to water supply electromagnetic valve unit 2B, description thereof is omitted.
Water supply electromagnetic valve unit 2A possesses: the main body 11 that is formed with inflow entrance 3 and outflow opening 4A; Plunger unit 5; And septum assembly (membrane valve) 6.In addition, water supply electromagnetic valve unit 2A is formed with and flows into chamber 12, back pressure chamber 13, outlet pipe 14, sealing lip 15 and parts assembly department 16.
Flow into chamber 12 and be formed in the chamber between main body 11 and leading type septum assembly 6, by inflow entrance flow control device parts 32(referring to Fig. 2) regulated tap water inflow after flow wherein.
Plunger unit 5
Then, plunger unit 5 is described.As shown in Figure 3, the plunger unit 5 that mode of execution relates to possesses plunger 51, plunger sheet (pilot valve) 52, helical spring 53, pipe 54, attracts the solenoid 55 of plunger 51 and solenoid 55 is fixed on to the york piece 56 on iron plate 10.
Plunger 51 is magnetic parts, preferably uses the stainless steel material of easy cutting and excellent corrosion resistance to make.Plunger sheet 52 is arranged on the soft parts of one end of plunger 51, and the throttle orifice 61b butt by with leading type septum assembly 6, carries out water-stop to throttle orifice 61b.Helical spring 53 to towards the side-prominent direction of throttle orifice 61b to plunger 51 application of forces.As the material of helical spring 53, for example, can use the stainless steel steel wire of excellent corrosion resistance.
Pipe 54 is to have with the 54a of cylinder portion, the lip part 54b at the end and the forming synthetic resin parts of the 54c of water-stop portion.In the 54a of the cylinder portion end of with, be equipped with plunger 51 and helical spring 53.In addition,, in the periphery of the 54a of cylinder portion, be provided with solenoid 55.The 54c of water-stop portion carries out water-stop using the peripheral part clinching of the barrier film as soft parts 62 on the sealing lip 15 being formed in main body 11.
By solenoid 55 is applied to power supply, produce magnetic action, to the direction of leaving throttle orifice 61b, attract plunger 51.Thus, plunger sheet 52 leaves the throttle orifice 61b of leading type septum assembly 6, thereby removes the water-stop of throttle orifice 61b.On the other hand, by solenoid 55 is cut off the electricity supply, remove the attraction of the plunger 51 of magnetic action generation, by being arranged on the active force of the helical spring 53 between the back side of plunger 51 and the bottom of the 54a of cylinder portion, make plunger sheet 52 and throttle orifice 61b butt, throttle orifice 61b is carried out to water-stop.
Leading type septum assembly 6
Then, leading type septum assembly 6 is described.As shown in Figures 3 and 4, leading type septum assembly 6 comprises: the diaphragm plate 61 of the hard being formed by forming synthetic resin product; And by rubber-like such as rubber or latex and there is the soft barrier film 62 that flexible material forms.
As shown in Fig. 4 (a), Fig. 4 (b), diaphragm plate 61 has: the planar surface portion 61e that supports barrier film 62 with face; And from the periphery of this planar surface portion 61e towards back pressure chamber 13 the surrounding wall portion 61f edge-on.And, on the bight that connects these planar surface portion 61e and surrounding wall portion 61f, implemented rounding (R) 61g.In addition, also can on the bight that connects planar surface portion 61e and surrounding wall portion 61f, implement taper chamfering, replace rounding (R) 61g.Have again, connecting on the bight of planar surface portion 61e and surrounding wall portion 61f, also can make the outer surface of surrounding wall portion 61f form the rough surfaces such as pears surface, replace implementing the structure of rounding (R) 61g or taper chamfering.
At the central part of planar surface portion 61e, throttle orifice 61b towards back pressure chamber 13 sides give prominence to formation, and cylindrical part 61c towards outlet pipe 14 sides give prominence to formation, back pressure chamber 13 can water flowing by throttle orifice 61b and cylindrical part 61c with outlet pipe 14.In addition, at the peripheral part of planar surface portion 61e, be formed with side throttle orifice 61a, flowing into chamber 12 can water flowing by side throttle orifice 61a with back pressure chamber 13.In addition, the external diameter of cylindrical part 61c is less than the internal diameter of outlet pipe 14, is formed with a plurality of straightener(stator) blade 61d in the periphery of cylindrical part 61c, and cylindrical part 61c and straightener(stator) blade 61d intercalation enter outlet pipe 14.
On the other hand, as shown in Fig. 4 (a), Fig. 4 (b), barrier film 62 has: with face, block the 62a of portion with the plane water supply that the planar surface portion 61e of diaphragm plate 61 contacts; Be fixed on the fixing part 62b in main body 11; And be formed on the 62c of resiliently deformable portion that the U word cross section between the 62a of portion and fixing part 62b is blocked in these water supply.As shown in Figure 4 (a), barrier film 62 make to supply water block the planar surface portion 61e butt of the 62a of portion and diaphragm plate 61 and make the 62c of resiliently deformable portion and state that the outer surface of the surrounding wall portion 61f of diaphragm plate 61 configures opposed to each other under be mounted on diaphragm plate 61.Now, between the surrounding wall portion 61f of diaphragm plate 61 and the 62c of resiliently deformable portion of barrier film 62, be formed with the gap part 64 of rounding (R) 61g that is equivalent to be formed on diaphragm plate 61.In the situation that replace diaphragm plate 61 to implement the structure of rounding (R) 61g and form the rough surfaces such as taper chamfering or Shamian Island, also therewith in the same manner, between surrounding wall portion 61f and the 62c of resiliently deformable portion, be formed with the gap part 64 of the recess of the chamfering that is equivalent to be formed on diaphragm plate 61 or rough surface.
As mentioned above, due to when solenoid 55 is applied to power supply, to the direction of leaving throttle orifice 61b, attract plunger 51, so plunger sheet 52 leaves the throttle orifice 61b of leading type septum assembly 6, thereby remove the water-stop of throttle orifice 61b.When the water-stop of throttle orifice 61b is disengaged, the tap water that flows into chamber 12 flows into back pressure chamber 13 from side throttle orifice 61a, by throttle orifice 61b, cylindrical part 61c and outlet pipe 14, from outflow opening 4A, flows out.When this stream is opened, leading type septum assembly 6 leaves sealing lip 15 because flowing into the pressure of the tap water of chamber 12, between produces gap, as shown in Figure 4 (b), most tap water, from flowing into chamber 12 via between gap, the inwall of outlet pipe 14 and the outer wall of cylindrical part 61c producing between leading type septum assembly 6 and sealing lip 15, flows out from the outflow opening 4A of outlet pipe 14.Now, barrier film 62 as shown in Figure 4 (b), the peripheral part and the 62c of the resiliently deformable portion resiliently deformable that supply water and to block the 62a of portion, the 62c of resiliently deformable portion leaves the opposed position of surrounding wall portion 61f with diaphragm plate 61.
When solenoid 55 being applied to power supply from this state cut-out, the attraction of the plunger 51 that magnetic action brings is disengaged, the active force of the helical spring 53 that plunger sheet 52 possesses by plunger unit 5 and throttle orifice 61b butt, and throttle orifice 61b is by water-stop.And due to when throttle orifice 61b is during by water-stop, the tap water that flows into back pressure chamber 13 from side throttle orifice 61a has lost place to go and has been trapped in back pressure chamber 13, so the rising water pressure in back pressure chamber 13, leading type septum assembly 6 is to sealing lip 15 side shiftings.Thus, the barrier film 62 of leading type septum assembly 6 is pushed to sealing lip 15, and between barrier film 62 and sealing lip 15, by water-stop, outflow opening 4A stops water.Now, as shown in Figure 4 (a), the 62c of resiliently deformable portion of barrier film 62 turns back to the opposed position of surrounding wall portion 61f with diaphragm plate 61.
As mentioned above, in the present embodiment, between the 62c of resiliently deformable portion due to the surrounding wall portion 61f at diaphragm plate 61 and barrier film 62, formed gap part 64, therefore, even if the 62c of resiliently deformable portion has produced with respect to surrounding wall portion 61f in the situation of relative deformation, also can make frictional force be difficult to act between these surrounding wall portion 61f and the 62c of resiliently deformable portion.Therefore, can eliminate the generation of the noise of the switch that is accompanied by water supply electromagnetic valve unit 2A.
In addition, be provided with surge pressure and reduce parts 63 on side throttle orifice 61a, restriction flows into the flow of the tap water of back pressure chamber 13 from flowing into chamber 12, and wherein, it is forming synthetic resin parts that this surge pressure reduces parts 63.Thus, can prevent the valve events that closes sharply, reduce the generation of water hammer effect (water hammer, water hammer).
Water supply electromagnetic valve unit 2C
Then the water supply electromagnetic valve unit 2C, with Fig. 5, multiple water supply electromagnetic valve 1 being possessed describes.
With water supply electromagnetic valve unit 2A, 2B(is referring to Fig. 3) difference, water supply electromagnetic valve unit 2C is provided with flow control device parts 7 on the parts assembly department 16 of the outlet pipe 14 towards outflow opening 4C.Therefore due to other structure and water supply electromagnetic valve unit 2A, 2B is identical, for fear of repetition and description thereof is omitted.
Flow control device parts 7
As shown in Figure 5, flow control device parts 7 possess the flow dontroller 71 of forming synthetic resin parts and the flow pad 72 of soft parts.The range of flow regulation of the tap water flowing out from outflow opening 4C is than outflow opening 4A, certain scope that 4B is narrower.Therefore, except being arranged on inflow entrance flow control device parts 32(on inflow entrance 3 referring to Fig. 2), on the parts assembly department 16 of the outlet pipe 14 towards outflow opening 4C, flow control device parts 7 are installed, by the hydraulic pressure of water tap, do not limited, and from outflow opening 4C, flow out the tap water of stable small flow grade.
Fig. 6 (a) is the side view of flow dontroller 71, and Fig. 6 (b) is the stereogram of flow dontroller 71.From these figure, on flow dontroller 71, be formed with a plurality of protuberance bodies 74 that insert flow pad 72 Kong Zhong center axis bodies 73 and be positioned at outer circumferential side.In addition,, on center axis body 73, be formed with the engaging portion 75 for engaging flow pad 72 when assembling flow pad 72.Here, from the downstream side of liquid flow direction, observe, engaging portion 75 is formed on the position higher than protuberance body 74.In addition, the stream 77(that is formed with breach 76 and is communicated to downstream side from upstream side on flow dontroller 71 is referring to Fig. 7), the flow that regulation flow control device parts 7 regulate.
As shown in Figure 7, on flow dontroller 71, be equipped with flow pad 72.As mentioned above, on flow dontroller 71, engaging portion 75 is formed on the position slightly higher than protuberance body 74, therefore, flow pad 72 is being assembled under the state on flow dontroller 71, between the downstream side of flow pad 72 plane and the upper-end surface of protuberance body 74, is forming gap 78.In addition, the assembling of flow pad 72, flow pad 72 insert center axis bodies 73 until with engaging portion 75 butts.Like this, due to by the central side of flow pad 72 being pressed into assigned position (with the position of engaging portion 75 butts), thereby the position of the outer circumferential side of flow pad 72 also nature is determined, therefore, the assembling work of flow control device 7 is stable, can seek the uniformity of the installment state of the flow pad 72 in flow control device parts 7.
When the outlet pipe 14 to towards outflow opening 4C applies hydraulic pressure, as shown in Figure 8, at the central side of flow pad 72, be fixed under the state in engaging portion 75, the peripheral part of flow pad 72 due to hydraulic pressure to deform with the mode of protuberance body 74 butts.But, in the flow control device parts 7 that relate in present embodiment, as mentioned above, engaging portion 75 is formed on the position higher than protuberance body 74, and the central side of flow pad 72 is fixed in this engaging portion 75, the amount of deformation of the flow pad 72 that in the time of therefore, can reducing to apply hydraulic pressure, hydraulic pressure causes with doing one's utmost.So, can seek to improve the assembling of flow pad 72, make the Flow characteristics of flow control device parts 7 stable simultaneously.
Water supply electromagnetic valve unit 2D and outflow opening 4D
Then the water supply electromagnetic valve unit 2D that the multiple water supply electromagnetic valve 1, relating to for present embodiment with Fig. 9 to Figure 12 possesses describes.Water supply electromagnetic valve unit 2D is the direct action solenoid valve that possesses tiny flow quantity controlling mechanism parts 9.
On water supply electromagnetic valve unit 2D, as shown in Figure 9, tiny flow quantity controlling mechanism parts 9 are arranged on the parts assembly department 16 of the outlet pipe 14 of outflow opening 4D.Due to other structure and water supply electromagnetic valve unit 2A, 2B, 2C is identical, and therefore for fear of repeating, description thereof is omitted.
Thereby water supply electromagnetic valve unit 2D is by being used direct-acting type to become direct action solenoid valve with septum assembly 8.By using the direct action solenoid valve less with guide electromagnetic valve phase specific discharge, and carry out limited flow with tiny flow quantity controlling mechanism parts 9, thereby can supply with from outflow opening 4D the tap water of tiny flow quantity.
Water supply electromagnetic valve unit 2D as direct action solenoid valve, when solenoid 55 is applied to power supply, while removing the water-stop of throttle orifice 81b, the tap water that flows into chamber 12 flows in back pressure chamber 13 with the hole 81a of diaphragm plate 81 by being opened in the hole 82a on barrier film 82 for direct-acting type, reticulated work 83, direct-acting type.In addition, flowing into tap water in back pressure chamber 13 flows out from outflow opening 4D by being opened in the throttle orifice 81b on diaphragm plate 81 for direct-acting type, outlet pipe 14, tiny flow quantity controlling mechanism parts 9.When solenoid 55 being cut off the electricity supply from this state, the throttle orifice 81b of water supply electromagnetic valve unit 2D is by water-stop, and outflow opening 4D stops water.
As shown in Figure 9, direct-acting type comprises with septum assembly 8: the diaphragm plate 81 for direct-acting type of the hard being formed by the formed article of synthetic resin; The soft barrier film 82 for direct-acting type being formed by rubber or latex etc.; And the reticulated work 83 of the excellent corrosion resistance of stainless steel.
As shown in Figure 10 to Figure 12, direct-acting type forms porose 81a, throttle orifice 81b and lug boss 81c with diaphragm plate 81.Hole 81a is opened in and is opened in hole 82a(on direct-acting type barrier film 82 referring to Fig. 9) corresponding position, can be from flowing into chamber 12(referring to Fig. 9) to back pressure chamber 13(referring to Fig. 9) water flowing.Throttle orifice 81b can be from back pressure chamber 13(referring to Fig. 9) to outlet pipe 14(referring to Fig. 9) water flowing.Lug boss 81c and lip part 54b(are referring to Fig. 9) butt, fixedly septum assembly 8 for direct-acting type.In order to prevent at tiny flow quantity controlling mechanism parts 9(referring to Fig. 9) in easily there is obstruction that the foreign matter in tap water causes etc., between the 81a of 82aYu hole, hole, be provided with reticulated work 83.
At this, the water-stop between the inflow chamber 12 shown in Fig. 9 and outlet pipe 14 is described.First, the barrier film 82 for direct-acting type by the soft parts of sealing lip 15 pushing, prevents from leaking.In addition, by making soft direct-acting type, with barrier film 82, with the forming synthetic resin of diaphragm plate 81, be partly position 81d butt with direct-acting type, prevent from leaking.By making to be formed on the lug boss 81c on diaphragm plate 81 and the lip part 54b butt of managing 54 for direct-acting type, obtain with barrier film 82, carrying out the needed pushing force of water-stop and making direct-acting type carry out the needed pushing force of water-stop with barrier film 82 and position 81d butt to sealing lip 15 pushing direct-acting types.
In order to make the needed pushing force of water-stop stable, and guarantee balanced stream between the lug boss 81c of adjacency, as shown in figure 10, more than 5 a plurality of lug boss 81c on the circumference centered by throttle orifice 81b, have equally spaced been set, and the shape of each lug boss 81c is preferably cylindrical.By changing the height of lug boss 81c, can regulate the needed pushing force of water-stop.
Tiny flow quantity controlling mechanism parts 9
Then the tiny flow quantity controlling mechanism parts 9 that, possess for water supply electromagnetic valve unit 2D describe.As shown in Figure 9, these routine tiny flow quantity controlling mechanism parts 9 possess flow dontroller 91 and flow pad 92, have the structure identical with flow control device parts 7.But the height setting of protuberance body and engaging portion must be lower, the shape of breach is different, so that the flow being conditioned is tiny flow quantity.In addition, tiny flow quantity controlling mechanism parts 9 also can similarly arrange the engaging portion than protuberance height with flow control device parts 7 on the axis body of center, but due to by direct-acting type septum assembly 8 limited flows and hydraulic pressure, therefore also engaging portion can be set.
Like this, the multiple water supply electromagnetic valve 1 that present embodiment relates to is by alternately assembling flow control device (flow control device parts 7 and tiny flow quantity controlling mechanism parts 9) and septum assembly (leading type septum assembly 6 and direct-acting type septum assembly 8), thereby can regulate from outflow opening 4A, 4B, 4C, the flow of the water that 4D flows out.
Claims (3)
1. a multiple water supply electromagnetic valve, is characterized in that,
Possess a plurality of solenoid valves, described solenoid valve has: make solenoidal energising forward drive or retreat the plunger unit of drive plunger intermittently; And according to the forward drive of above-mentioned plunger or retreat and drive the septum assembly open or close the water supply stream being formed in main body,
Above-mentioned septum assembly comprises the diaphragm plate of the hard that is provided with throttle orifice and is assemblied in the soft barrier film on this diaphragm plate,
At least one above-mentioned septum assembly possessing in above-mentioned a plurality of solenoid valve is configured to, and above-mentioned diaphragm plate has with face and supports the planar surface portion of above-mentioned barrier film and the surrounding wall portion erecting to a direction from the periphery of this planar surface portion,
Be assemblied in above-mentioned barrier film on this diaphragm plate and there is the plane water supply contacting with the planar surface portion of above-mentioned diaphragm plate with face and block portion, be fixed on the fixing part in aforementioned body and be formed on these water supply and block the resiliently deformable portion between portion and fixing part,
On above-mentioned diaphragm plate, assemble above-mentioned barrier film, while configuring opposed to each other the surrounding wall portion of above-mentioned diaphragm plate and the resiliently deformable portion of above-mentioned barrier film, at least a portion between above-mentioned surrounding wall portion and above-mentioned resiliently deformable portion is formed with this two discontiguous gap parts of portion.
2. multiple water supply electromagnetic valve according to claim 1, is characterized in that,
By implementing chamfering or rounding to connecting the planar surface portion of above-mentioned diaphragm plate and the bight of surrounding wall portion, thereby form above-mentioned gap part between above-mentioned surrounding wall portion and above-mentioned resiliently deformable portion.
3. multiple water supply electromagnetic valve according to claim 1, is characterized in that,
By making in above-mentioned surrounding wall portion, be at least roughened surface with opposed of the resiliently deformable portion of above-mentioned barrier film, thereby form above-mentioned gap part between above-mentioned surrounding wall portion and above-mentioned resiliently deformable portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012188975A JP6126341B2 (en) | 2012-08-29 | 2012-08-29 | Multiple feed water solenoid valve |
| JP2012-188975 | 2012-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103672039A true CN103672039A (en) | 2014-03-26 |
Family
ID=50310444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310343172.4A Pending CN103672039A (en) | 2012-08-29 | 2013-08-08 | Multi-unit water supply electromagnetic valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6126341B2 (en) |
| CN (1) | CN103672039A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154119A (en) * | 2017-03-10 | 2021-07-23 | 纽珀有限公司 | Sanitary valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7090449B2 (en) * | 2017-06-26 | 2022-06-24 | 株式会社Lixil | Pilot solenoid valve |
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|---|---|---|---|---|
| JPH04327083A (en) * | 1991-04-25 | 1992-11-16 | Yoshitake:Kk | Pilot type solenoid valve |
| CN2438889Y (en) * | 2000-08-01 | 2001-07-11 | 许永福 | Double electromagnetic intake valve |
| JP2002048253A (en) * | 2000-08-02 | 2002-02-15 | Inax Corp | Diaphragm valve |
| US20050199839A1 (en) * | 2004-03-10 | 2005-09-15 | Vincent Raymond A. | Low energy fluid actuator control element |
| CN101672383A (en) * | 2008-09-08 | 2010-03-17 | 杭州神林电子有限公司 | Directly operated and pilot operated hybrid multi-connection solenoid valve |
| JP2012077785A (en) * | 2010-09-30 | 2012-04-19 | Hitachi Appliances Inc | Multiple water supply solenoid valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0880751A (en) * | 1994-09-12 | 1996-03-26 | Nippondenso Co Ltd | Electronically controlled engine mount |
-
2012
- 2012-08-29 JP JP2012188975A patent/JP6126341B2/en not_active Expired - Fee Related
-
2013
- 2013-08-08 CN CN201310343172.4A patent/CN103672039A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04327083A (en) * | 1991-04-25 | 1992-11-16 | Yoshitake:Kk | Pilot type solenoid valve |
| CN2438889Y (en) * | 2000-08-01 | 2001-07-11 | 许永福 | Double electromagnetic intake valve |
| JP2002048253A (en) * | 2000-08-02 | 2002-02-15 | Inax Corp | Diaphragm valve |
| US20050199839A1 (en) * | 2004-03-10 | 2005-09-15 | Vincent Raymond A. | Low energy fluid actuator control element |
| CN101672383A (en) * | 2008-09-08 | 2010-03-17 | 杭州神林电子有限公司 | Directly operated and pilot operated hybrid multi-connection solenoid valve |
| JP2012077785A (en) * | 2010-09-30 | 2012-04-19 | Hitachi Appliances Inc | Multiple water supply solenoid valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113154119A (en) * | 2017-03-10 | 2021-07-23 | 纽珀有限公司 | Sanitary valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6126341B2 (en) | 2017-05-10 |
| JP2014047803A (en) | 2014-03-17 |
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Application publication date: 20140326 |