CN100357645C - Fluid changing-over device - Google Patents
Fluid changing-over device Download PDFInfo
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- CN100357645C CN100357645C CNB031223168A CN03122316A CN100357645C CN 100357645 C CN100357645 C CN 100357645C CN B031223168 A CNB031223168 A CN B031223168A CN 03122316 A CN03122316 A CN 03122316A CN 100357645 C CN100357645 C CN 100357645C
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Abstract
The invention provides a fluid switch wherein deterioration of water-tightness of a valve seat packing is restrained. The sheet shaped valve seat packing 23 is provided between an inner wall of a valve chamber 25 of a housing 21 and an outer peripheral surface of a rotary valve 22 so as to surround fluid outflow ports 28 and 29. A protruding part 45 protruding into the valve chamber 25 is provided on a periphery part of the fluid outflow ports 28 and 29 of the housing 21 in a height by which the protruding part 45 does not abut onto the rotary valve 22. The protruding part 45 abuts onto an end surface of a hole part formed on the valve seat packing 23, and thereby the valve seat packing 23 is prevented from being moved to the fluid outflow ports 28 and 29 by the pressure of the fluid.
Description
Technical field
The present invention relates to be used for the fluid switch of the various fluid apparatuses of water purifier etc., specifically, the switching mechanism that the present invention relates to stream adopts the fluid switch of rotary valve.
Background technique
As the example of the fluid switch that adopts rotary valve, include disclosed flowing water switch in the open communique of No. 3233/1994 utility model patent of Japan.
This flowing water switch is as shown in Figure 5, constitute by following part, this following part comprises: shell 5, this shell 5 comprises valve chamber 1 cylindraceous, flowing water inlet 2 and a plurality of flowing water outlet 3,4, this flowing water inlet 2 is used to allow water to flow into the inside of this valve chamber 1, these a plurality of flowing water outlets 3,4 are used to make the water of the inside that flow into valve chamber 1 to flow to the outside; The rotary valve 7 of hollow cylinder shape, this rotary valve 7 rotatably is installed on the inside of valve chamber 1; The sealing of thin sheet is with sealing gasket 9,9, between the inwall that sealing pad 9,9 is arranged at valve chamber 1 and the outer circumferential face of rotary valve 7, around flowing water export 3,4 around.
In addition, above-mentioned known flowing water switch has following advantage, promptly, rotation rotary valve 7, the 1st opening portion 11 that forms and flowing water inlet 2 is aimed at so that make the perisporium that passes rotary valve 7, makes the perisporium that passes above-mentioned rotary valve 7 and the 2nd opening portion 12 and the flowing water that form export 3, or 4 aim at, thus, the stream of changeable flowing water, and the man-hour of number of components, assembling work is few, and because the circulation water route is simple, so sealing is good, in addition, is difficult to produce water hammering.
Summary of the invention
But, in the flowing water switch in above-mentioned past, because sealing is thin sheet with sealing gasket 9, so have following problems, promptly, if the hydraulic pressure in the valve chamber 1 increases, then the sealing around the flowing water outlet of a side that is in the state that closes closed channel can't hydraulic pressure resistance with sealing gasket, is forced into the flowing water outlet side, deform, can not keep the state that closes closed channel, like this, generation is leaked.In addition, for this problem, the diameter of flowing water outlet 3,4 is big more, and hydraulic pressure is high more, and then the danger that is taken place is big more.
In addition, in the flowing water switch in above-mentioned past, be fixed on the inwall of valve chamber 1 owing to sealing with sealing gasket 9 by bonding way, so also have following problems, that is, the installation of sealing gasket 9 spends man-hour, is easy to generate job error.
In addition, because the area of contact of the inwall of valve chamber 1 and the outer circumferential face of rotary valve 7 is bigger, so the rotating torques of rotary valve 7 increases, and rotary valve 7 generation swings, thus, has following problems, that is, use between the sealing gasket 9, produce bad connection at rotary valve 7 and sealing, water proofing property reduces, and the damage sealing is own with sealing gasket 9.
The objective of the invention is to solve the above-mentioned problem that the flowing water switch in above-mentioned past is had, that is, provide a kind of fluid switch, in this fluid switch, water proofing property does not reduce, and the damage of sealing gasket is also little, the installation of sealing gasket is also easy, and the torque of rotary valve is less.
The fluid switch of the application's the 1st invention comprises:
Shell, this shell has valve chamber cylindraceous, and fluid inflow entrance and a plurality of fluid outflow opening, this fluid inflow entrance are used to make fluid to flow into the inside of this valve chamber, and these a plurality of fluid outflow openings are used to make the fluid that flow in the above-mentioned valve chamber to flow out to the outside;
Rotary valve, this rotary valve is the cylindric of hollow, on the perisporium of this rotary valve, be formed with the 1st through hole and the 2nd through hole, the 1st through hole is used to make the fluid that flows into from the fluid inflow entrance of above-mentioned shell, flow into the inside of this rotary valve, the 2nd through hole is used to make the fluid of the inside that flow into this rotary valve, by above-mentioned fluid outflow opening, flow out to the outside of above-mentioned shell, this rotary valve rotatably is installed on the inside of above-mentioned valve chamber;
Make the rotation of above-mentioned rotary valve, make above-mentioned the 2nd through hole, aim at in above-mentioned a plurality of fluid outflow openings any one, thus the stream of switch fluids; It is characterized in that:
Between the outer circumferential face of the inwall of above-mentioned valve chamber and rotary valve, be provided with the valve base sealing pad of the sheet around the above-mentioned fluid outflow opening;
On the peripheral portion of the fluid outflow opening of above-mentioned shell, according to the mode that rotation of above-mentioned rotary valve is not counteracted, inside towards above-mentioned valve chamber is provided with protuberance, raised part contacts with the end face that is formed at the hole portion on the above-mentioned valve base sealing pad corresponding to above-mentioned fluid outflow opening, thus, can stop above-mentioned valve base sealing pad to move towards the fluid outflow opening.
If adopt this scheme, even because the pressure of the fluid in valve chamber increases, center on the valve base sealing pad on every side of the fluid outflow opening of a side that is in the state that closes closed channel relatively, act under the situation of the bigger pressure that is forced into fluid outflow oral-lateral, end face by the hole portion on making protuberance and being formed at the valve base sealing pad contacts, stop the valve base sealing pad to flow out moving of oral-lateral towards fluid, so the valve base sealing pad is not forced into fluid outflow opening place, the valve base sealing pad is indeformable.
The fluid switch of the application's the 2nd invention comprises:
Shell, this shell has valve chamber cylindraceous, and fluid inflow entrance and a plurality of fluid outflow opening, this fluid inflow entrance are used to make fluid to flow into the inside of this valve chamber, and these a plurality of fluid outflow openings are used to make the fluid that flow in the above-mentioned valve chamber to flow out to the outside;
Rotary valve, this rotary valve is the cylindric of hollow, on the perisporium of this rotary valve, be formed with the 1st through hole and at least 1 the 2nd through hole, the 1st through hole is used to make the fluid that flows into from the fluid inflow entrance of above-mentioned shell, flow into the inside of this rotary valve, the 2nd through hole is used to make the fluid of the inside that flow into this rotary valve, by above-mentioned fluid outflow opening, flow out to the outside of above-mentioned shell, this rotary valve rotatably is installed on the inside of above-mentioned valve chamber;
Make the rotation of above-mentioned rotary valve, make above-mentioned the 2nd through hole, aim at in above-mentioned a plurality of fluid outflow openings any one, thus the stream of switch fluids; It is characterized in that:
Between the outer circumferential face of the inwall of above-mentioned valve chamber and rotary valve, be provided with the valve base sealing pad of the sheet around the above-mentioned fluid outflow opening;
On the inner wall section of the valve chamber that above-mentioned valve base sealing pad is installed, be provided with a pair of groove of the two ends insertion of above-mentioned valve base sealing pad, this is inserted in the groove in the two ends of above-mentioned valve base sealing pad, and thus, this valve base sealing pad is installed on the inwall of above-mentioned valve chamber.
According to such scheme, in the time of on the inwall that above-mentioned valve base sealing pad is installed on above-mentioned valve chamber, can be only be inserted in a pair of groove of inwall of above-mentioned valve chamber by two ends with above-mentioned valve base sealing pad, just realize the installation of valve base sealing pad, thus, needn't pass through bonding way, the valve base sealing pad is installed.
In addition, the fluid switch of the 3rd of the application the invention comprises:
Shell, this shell has valve chamber cylindraceous, and fluid inflow entrance and a plurality of fluid outflow opening, this fluid inflow entrance are used to make fluid to flow into the inside of this valve chamber, and these a plurality of fluid outflow openings are used to make the fluid that flow in the above-mentioned valve chamber to flow out to the outside;
Rotary valve, this rotary valve is the cylindric of hollow, on the perisporium of this rotary valve, be formed with the 1st through hole and at least 1 the 2nd through hole, the 1st through hole is used to make the fluid that flows into from the fluid inflow entrance of above-mentioned shell, flow into the inside of this rotary valve, the 2nd through hole is used to make the fluid of the inside that flow into this rotary valve, by above-mentioned fluid outflow opening, flow out to the outside of above-mentioned shell, this rotary valve rotatably is installed on the inside of above-mentioned valve chamber;
Make the rotation of above-mentioned rotary valve, make above-mentioned the 2nd through hole, aim at in above-mentioned a plurality of fluid outflow openings any one, thus the stream of switch fluids; It is characterized in that:
Between the outer circumferential face of the inwall of above-mentioned valve chamber and rotary valve, be provided with the valve base sealing pad of the sheet around the above-mentioned fluid outflow opening;
On the inner wall section of the valve chamber that above-mentioned valve base sealing pad is installed, be provided with a pair of groove of the two ends insertion of above-mentioned valve base sealing pad, this is inserted in the groove in the two ends of above-mentioned valve base sealing pad, and thus, this valve base sealing pad is installed on the inwall of above-mentioned valve chamber;
In addition, on the peripheral portion of the fluid outflow opening of above-mentioned shell, according to the mode that rotation of above-mentioned rotary valve is not counteracted, inside towards above-mentioned valve chamber is provided with protuberance, raised part contacts with the end face that is formed at the hole portion on the above-mentioned valve base sealing pad corresponding to above-mentioned fluid outflow opening, thus, can stop above-mentioned valve base sealing pad to move towards the fluid outflow opening.
According to such scheme, in the time of on the inwall that above-mentioned valve base sealing pad is installed on above-mentioned valve chamber, can be only be inserted in a pair of groove of inwall of above-mentioned valve chamber by two ends with above-mentioned valve base sealing pad, just realize the installation of valve base sealing pad, thus, needn't pass through bonding way, the valve base sealing pad is installed, even and because the pressure increase of the fluid in valve chamber, center on the valve base sealing pad on every side of the fluid outflow opening of a side that is in the state that closes closed channel relatively, act under the situation of the bigger pressure that is forced into fluid outflow oral-lateral, end face by the hole portion on making protuberance and being formed at the valve base sealing pad contacts, stop the valve base sealing pad to flow out moving of oral-lateral towards fluid, so the valve base sealing pad is not forced into fluid outflow opening place, the valve base sealing pad is indeformable.
In above-mentioned invention, best, in above-mentioned valve base sealing pad with the right face of above-mentioned valve chamber internal face on, be provided with slot part, on the inner wall section of the valve chamber that above-mentioned valve base sealing pad is installed, be provided with and the chimeric teat of this slot part, slot part and above-mentioned teat in the above-mentioned valve base sealing pad are chimeric, thus, this valve base sealing pad is installed on the inwall of above-mentioned valve chamber.According to such scheme, since chimeric by the slot part that makes above-mentioned valve base sealing pad with the teat of the inner wall section that is arranged at above-mentioned valve chamber, hinder the motion of above-mentioned valve base sealing pad, so also can resist higher pressure.
In addition, best, in above-mentioned valve base sealing pad, be formed with and the corresponding a plurality of hole of above-mentioned a plurality of fluid outflow openings portion.If adopt such scheme, can be only by a valve base sealing pad be installed on the valve chamber, just around a plurality of fluid outflow openings.
In addition, can adopt following proposal, wherein, on the inwall of above-mentioned valve chamber, be provided with prominent bar, this prominent bar is along the direction parallel with the rotary middle spindle of above-mentioned rotary valve, contact with the outer circumferential face of above-mentioned rotary valve, this rotary valve rotatably supports by above-mentioned prominent bar and valve base sealing pad.If adopt such scheme, because the area of contact of valve chamber and rotary valve reduces, so the torque of rotary valve reduction.
Have again, can form like this, level up straight state at above-mentioned valve base sealing, according to being formed at hole portion ovalize on the above-mentioned valve base sealing pad with the corresponding mode of above-mentioned fluid outflow opening, this oval-shaped major diameter is determined in the following manner with the ratio of minor axis, this mode is: curvature bending is so that the state that extends along the inwall of above-mentioned valve chamber according to the rules at above-mentioned valve base sealing pad, and being shaped as of above-mentioned hole portion projection in the plane is just round.If make the hole portion that is formed on the valve base sealing pad be such ellipse, then generally can correctly be the consistent state of fluid outflow opening of round type in hole portion with the cross section, the valve base sealing pad is installed on the inwall of valve chamber.
As described above, because fluid switch of the present invention constitutes like this, promptly, protuberance contacts with the end face of hole portion on being formed at the valve base sealing pad, thus, stop the valve base sealing pad to move towards the fluid outflow opening, so the pressure of the fluid in the valve chamber increases, even, act under the situation of the bigger pressure that the side pressure of oriented fluid outflow opening goes out around being in relatively, contact by the end face of protuberance with hole portion with the valve base sealing pad around the fluid outflow opening of a side of stream closing state, stop the valve base sealing pad to flow out moving of oral-lateral towards fluid, thus, the valve base sealing pad is not forced into fluid outflow opening place, the valve base sealing pad is indeformable.Therefore, can realize the sealing of more stable fluid by the valve base sealing pad.
In addition, owing to adopt following proposal, wherein, by on the valve base sealing pad, form and the corresponding a plurality of hole of a plurality of fluid outflow openings portion, so can be only by a valve base sealing pad is installed on the valve chamber, just realize around a plurality of fluid outflow openings, in addition, the valve base sealing pad is provided with slot part, on the inwall of this valve chamber, be provided with a pair of groove of the two ends insertion of valve base sealing pad, and the teat chimeric with above-mentioned slot part, insert in the above-mentioned a pair of groove at the two ends of above-mentioned valve base sealing pad, and above-mentioned slot part and above-mentioned teat are chimeric, above-mentioned valve base sealing pad is installed on the inwall of above-mentioned valve chamber, so needn't the valve base sealing pad be installed by bonding way, thereby can cut down the man-hour that the valve base sealing pad is installed, and the valve base sealing pad correctly can be installed on the assigned position of valve chamber.
In addition, owing to adopt following proposal, wherein, by prominent bar on the inwall that is arranged at valve chamber and valve base sealing pad, rotatably support rotary valve, so the area of contact of valve chamber and rotary valve diminishes, the torque of rotary valve diminishes, and rotary valve does not produce swing yet.
Also have, at above-mentioned valve base sealing pad is straight state, be formed at the hole portion ovalize on the valve base sealing pad, this oval-shaped major diameter is determined in the following manner with the ratio of minor axis, this mode is: thereby at the above-mentioned valve base sealing pad state that extends along the inwall of above-mentioned valve chamber of curvature bending according to the rules, above-mentioned hole portion is just round being shaped as of the projection on plane, so can correctly be the just round consistent state of fluid outflow opening with the cross section in hole portion, the valve base sealing pad is installed on the inwall of valve chamber.
Description of drawings
Fig. 1 is the front section view of the fluid switch of embodiments of the invention;
Fig. 2 is the front section view of shell of the fluid switch of presentation graphs 1;
Fig. 3 is the enlarged view of the A portion of Fig. 1;
Fig. 4 is the plan view of valve base sealing pad of the fluid switch of Fig. 1;
Fig. 5 is the figure of explanation past flowing water switch piece.
Embodiment
Below with reference to Fig. 1～Fig. 4, fluid switch of the present invention is specifically described.In addition, in the accompanying drawings, Fig. 1 is the front section view of embodiments of the invention, and Fig. 2 is the front section view of the shell of presentation graphs 1, and Fig. 3 is the enlarged view of the A portion of Fig. 1, and in addition, Fig. 4 is the diametric plane figure of valve base sealing pad of the fluid switch of Fig. 1.
Described as Fig. 1, fluid switch of the present invention comprises shell 21, rotary valve 22, valve base sealing pad 23.In this shell 21, as shown in Figure 2, be formed with the columnar valve chamber 25 that rotary valve 22 is installed, the fluid outflow opening 28 at fluid inflow entrance and 2 positions, 29, this fluid inflow entrance 27 is used to make the fluid of water etc. to flow in this valve chamber 25, and this fluid outflow opening 28,29 is used to make the fluid of the inside that flow into valve chamber 25 to flow out to the outside.In addition, on fluid inflow entrance 27, be connected with tap etc.
Make 22 rotations of this rotary valve,, make 33 pairs of quasi-fluid inflow entrances 27 of through hole, make 34 pairs of quasi-fluid outflow openings 29 of through hole as shown in Figure 1, thus, formation fluid inflow entrance 27, rotary valve 22, the fluid flowing path of fluid outflow opening 29.In addition, make rotary valve 22 rotations, through hole 33 is aimed at fluid inflow entrance 27, through hole 34 is aimed at fluid outflow opening 28, thus, switch to fluid inflow entrance 27, rotary valve 22 is on the other fluid flowing path of fluid outflow opening 28.
Valve base sealing pad 23 is as shown in Figure 1, is lamellar between the outer circumferential face 31a of the inwall 25a that can be arranged at valve chamber 25 and rotary valve 22, and its rubber-like material by rubber, synthetic resin etc. forms.As shown in Figure 4, valve base sealing pad 23 is rectangle, according to offering and fluid outflow opening 28,29 corresponding 2 hole portions 41,42 around the mode around the fluid outflow opening 28,29.
This hole portion 41,42 is at the straight state of valve base sealing pad 23, ovalize, in this ellipse, this valve base sealing pad 23 be vertically than major diameter X, with this vertical perpendicular direction be minor axis Y, the diameter of fluid outflow opening 28,29 that minor axis Y and cross section are round type is identical.The ratio of this oval-shaped major diameter X and minor axis Y determines that in the following manner this mode is: thus the state that extends along the inwall of valve chamber 25 with the regulation curvature bending at valve base sealing pad 23, and 41,42 projections of hole portion are in the positive circle of being shaped as of plane.If hole portion 41,42 is shaped as such ellipse, is the state of fluid outflow opening 28,29 unanimities of round type with the cross section correctly in hole portion 41,42, valve base sealing pad 23 is installed on the inwall 25a of valve chamber 25.
In addition, in valve base sealing pad 23, the peripheral portion 41a of hole portion 41,42,42a, the long side edge 23b of portion of part 23a between the hole portion 41,42 and valve base sealing pad 23,23c is outstanding.Like this, by making peripheral portion 41a, 42a, part 23a, the long side edge 23b of portion, 23c is outstanding, as shown in Figure 3, makes between the outer circumferential face 31a of valve base sealing pad 23 and rotary valve 22 to contact really, and the water proofing property of fluid outflow opening 28,29 is good.
In addition, the two ends 23f of valve base sealing pad 23,23g is as shown in Figure 2, form according to the size thinner than the thickness of slab of valve base sealing pad 23, in addition, with the back side of the corresponding valve base sealing pad 23 of part 23a (face of facing with the inwall 25a of valve chamber 25) on, form a slot part 23k.
On the other hand, on the inwall 25a of valve chamber 25, be formed for inserting the two ends 23f of valve base sealing pad 23, a pair of groove 25c of 23g, 25d, and slot part 23k chimeric teat 25g.So, can be only by two ends 23f with valve base sealing pad 23,23g is inserted into this to groove 25c, among the 25d, makes slot part 23k and teat 25g chimeric, just valve base sealing pad 23 is mounted on the inwall 25a of valve chamber 25.
Also have, fluid switch of the present invention is as shown in Figure 3, on the peripheral portion of the fluid outflow opening 28,29 of shell 21, towards the inside of valve chamber 25, is provided with protuberance 45.In addition, more outstanding by the end that makes the pipe 47,48 that constitutes fluid outflow opening 28,29 in this example than inwall 25a, just form outstanding protuberance 45.Specifically, this protuberance 45 is lower than the peripheral portion 41a of valve base sealing pad 23, and the height of 42a is not so that counteract the rotation of rotary valve 22.So this protuberance 45 does not constitute the obstruction to rotary valve 22.
Like this, at fluid outflow opening 28,29 peripheral portion, be formed with protuberance 45, thus, even the pressure of the fluid in valve chamber 25 increases, relatively around being in fluid outflow opening with a side of stream closing state (in Fig. 1, be fluid outflow opening 28) around valve base sealing pad 23, act under the situation of the bigger pressure that the side pressure of oriented fluid outflow opening goes out, contact by the end face 49 of protuberance 45 with hole portion 41 (42), the moving of valve base sealing pad 23 of oral-lateral flowed out in prevention to fluid, thus, valve base sealing pad 23 is not forced into fluid outflow opening place, valve base sealing pad 23 is indeformable.
Have, as shown in Figure 1, on the inwall 25a of valve chamber 25, be provided with prominent bar 50, this prominent bar 50 extends along direction parallel with the rotary middle spindle of rotary valve 22.By like this, prominent bar 50 is set, rotary valve 22 is in by the peripheral portion 41a of prominent bar 50 with valve base sealing pad 23,42a, part 23a and the long side edge 23b of portion, 23c, rotatably Zhi Cheng state.Therefore, the area of contact between the outside of the inner face of valve chamber 25 and rotary valve 22 reduces, and then, since little with the area of contact of valve chamber 25, so can easily rotary valve 22 be installed on the inside of valve chamber 25.
Claims (6)
1. fluid switch, this fluid switch comprises:
Shell, this shell has valve chamber cylindraceous, and fluid inflow entrance and a plurality of fluid outflow opening, this fluid inflow entrance are used to make fluid to flow into the inside of this valve chamber, and these a plurality of fluid outflow openings are used to make the fluid that flow in the above-mentioned valve chamber to flow out to the outside;
Rotary valve, this rotary valve is the cylindric of hollow, on the perisporium of this rotary valve, be formed with the 1st through hole and at least 1 the 2nd through hole, the 1st through hole is used to make the fluid that flows into from the fluid inflow entrance of above-mentioned shell, flow into the inside of this rotary valve, the 2nd through hole is used to make the fluid of the inside that flow into this rotary valve, by above-mentioned fluid outflow opening, flow out to the outside of above-mentioned shell, this rotary valve rotatably is installed on the inside of above-mentioned valve chamber;
Make the rotation of above-mentioned rotary valve, make above-mentioned the 2nd through hole, aim at in above-mentioned a plurality of fluid outflow openings any one, thus the stream of switch fluids; It is characterized in that:
Between the outer circumferential face of the inwall of above-mentioned valve chamber and rotary valve, be provided with the valve base sealing pad of the sheet around the above-mentioned fluid outflow opening;
On the inner wall section of the valve chamber that above-mentioned valve base sealing pad is installed, be provided with a pair of groove of the two ends insertion of above-mentioned valve base sealing pad, this is inserted in the groove in the two ends of above-mentioned valve base sealing pad, and thus, this valve base sealing pad is installed on the inwall of above-mentioned valve chamber.
2. fluid switch according to claim 1, it is characterized in that on the peripheral portion of the fluid outflow opening of above-mentioned shell, according to the mode that rotation of above-mentioned rotary valve is not counteracted, inside towards above-mentioned valve chamber is provided with protuberance, raised part contacts with the end face that is formed at the hole portion on the above-mentioned valve base sealing pad corresponding to above-mentioned fluid outflow opening, thus, can stop above-mentioned valve base sealing pad to move towards the fluid outflow opening.
3. fluid switch according to claim 1 and 2, it is characterized in that in above-mentioned valve base sealing pad with the right face of above-mentioned valve chamber internal face on, be provided with slot part, on the inner wall section of the valve chamber that above-mentioned valve base sealing pad is installed, be provided with and the chimeric teat of this slot part, slot part and above-mentioned teat in the above-mentioned valve base sealing pad are chimeric, and thus, this valve base sealing pad is installed on the inwall of above-mentioned valve chamber.
4. fluid switch according to claim 1 and 2 is characterized in that in above-mentioned valve base sealing pad, is formed with and the corresponding a plurality of hole of above-mentioned a plurality of fluid outflow openings portion.
5. fluid switch according to claim 1 and 2, it is characterized in that on the inwall of above-mentioned valve chamber, be provided with prominent bar, should dash forward bar along the direction parallel with the rotary middle spindle of above-mentioned rotary valve, contact with the outer circumferential face of above-mentioned rotary valve, this rotary valve rotatably supports by above-mentioned prominent bar and valve base sealing pad.
6. fluid switch according to claim 1 and 2, it is characterized in that leveling up straight state at above-mentioned valve base sealing, according to being formed at hole portion ovalize on the above-mentioned valve base sealing pad with the corresponding mode of above-mentioned fluid outflow opening, this oval-shaped major diameter is determined in the following manner with the ratio of minor axis, this mode is: curvature bending is so that the state that extends along the inwall of above-mentioned valve chamber according to the rules at above-mentioned valve base sealing pad, and being shaped as of above-mentioned hole portion projection in the plane is just round.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP122717/02 | 2002-04-24 | ||
| JP122717/2002 | 2002-04-24 | ||
| JP2002122717A JP2003314717A (en) | 2002-04-24 | 2002-04-24 | Fluid switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1453491A CN1453491A (en) | 2003-11-05 |
| CN100357645C true CN100357645C (en) | 2007-12-26 |
Family
ID=29267461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031223168A Expired - Fee Related CN100357645C (en) | 2002-04-24 | 2003-04-24 | Fluid changing-over device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2003314717A (en) |
| CN (1) | CN100357645C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100557453B1 (en) * | 2004-04-01 | 2006-03-07 | 안재섭 | 4way valve |
| JP4224106B2 (en) * | 2007-01-25 | 2009-02-12 | 中外炉工業株式会社 | Coating liquid supply device |
| JP6463986B2 (en) * | 2015-02-23 | 2019-02-06 | 株式会社松岡機械製作所 | Intermittent coating device |
| CN105135001B (en) * | 2015-08-12 | 2017-08-25 | 浙江沁园水处理科技有限公司 | Waterway conversion valve and the water purifier with waterway conversion valve |
| JP7035586B2 (en) * | 2018-02-08 | 2022-03-15 | 株式会社デンソー | Cooling water control valve device |
| CN107859762B (en) * | 2017-11-15 | 2019-06-11 | 甘肃奇正藏药有限公司 | The dish-type of superheated steam instantaneous sterilizing rotates valve core |
| CN109058166B (en) * | 2018-07-04 | 2020-07-24 | 安徽省碧绿春生物科技有限公司 | Enclosed fan shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2157374A (en) * | 1984-04-13 | 1985-10-23 | Waeschle Maschf Gmbh | Ring seal |
| JPS60237269A (en) * | 1984-05-08 | 1985-11-26 | Matsushita Electric Ind Co Ltd | Switchover valve |
| US5617815A (en) * | 1994-05-06 | 1997-04-08 | Firma Carl Freudenberg | Regulating valve |
| JP2001065714A (en) * | 1999-08-25 | 2001-03-16 | Daikin Ind Ltd | Three way control valve |
-
2002
- 2002-04-24 JP JP2002122717A patent/JP2003314717A/en active Pending
-
2003
- 2003-04-24 CN CNB031223168A patent/CN100357645C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2157374A (en) * | 1984-04-13 | 1985-10-23 | Waeschle Maschf Gmbh | Ring seal |
| JPS60237269A (en) * | 1984-05-08 | 1985-11-26 | Matsushita Electric Ind Co Ltd | Switchover valve |
| US5617815A (en) * | 1994-05-06 | 1997-04-08 | Firma Carl Freudenberg | Regulating valve |
| JP2001065714A (en) * | 1999-08-25 | 2001-03-16 | Daikin Ind Ltd | Three way control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1453491A (en) | 2003-11-05 |
| JP2003314717A (en) | 2003-11-06 |
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