CN103438262A - Changeover valve - Google Patents
Changeover valve Download PDFInfo
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- CN103438262A CN103438262A CN2013103934066A CN201310393406A CN103438262A CN 103438262 A CN103438262 A CN 103438262A CN 2013103934066 A CN2013103934066 A CN 2013103934066A CN 201310393406 A CN201310393406 A CN 201310393406A CN 103438262 A CN103438262 A CN 103438262A
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Abstract
The invention relates to a changeover valve which has the advantages of simple structure and low cost. The valve body is provided with a water inlet, a water outlet and an electromagnetic control assembly 1, wherein the electromagnetic control assembly 1 is provided with an electromagnetic coil 1, a piston 1 and an iron core 1; the front end of the piston 1 is connected with a piston cap 1; the valve body is provided with a liquid inlet 1, a valve seat A, a valve seat B, an inner cavity 1 and a channel 1; an inlet side of the valve seat A is communicated with the liquid inlet 1; one end of the channel 1 is communicated with the water inlet, and the other end is communicated with an inlet side of the valve seat B; an outlet side of the valve seat A and an outlet side of the valve seat B are communicated with the inner cavity 1; the valve seat A and the valve seat B are corresponding to the electromagnetic valve assembly 1; the outlet side of the valve seat A and the outlet side of the valve seat B are coaxial and opposite in the inner cavity 1 and are a distance away from each other; the piston cap 1 of the electromagnetic valve assembly 1 is positioned in the range of the distance between the outlet side of the valve seat A and the outlet side of the valve seat B; in the normal state, the piston cap 1 closes the valve seat A and opens the valve seat B; and the inner cavity 1 can be communicated with the water outlet. The changeover valve is suitable to be used as an electric appliance washing machine water inlet valve.
Description
Technical field
The present invention relates to a kind of solenoid valve, particularly there is the solenoid valve that multichannel can replace break-make.
Background technique
Traditional direct action solenoid valve, as shown in Figure 1, the guide pin bushing of valve body is outside equipped with electromagnetic coil, is provided with iron core and piston in guide pin bushing, and piston nose is connected with piston cap a, and this piston cap, corresponding to valve seat, is provided with Compress Spring between iron core and piston.During the electromagnetic coil no electric circuit, under the Compress Spring effect, piston cap closed valve seat, the stream between blocking-up import and outlet; During the electromagnetic coil energising, piston is pulled on iron core by iron core, and piston cap is lifted off a seat, and the stream between import and outlet is open-minded.The performance of this direct action solenoid valve is that an electromagnetic control assembly opens and closes a valve.Also need to open and close the situation of two valves for thering is multichannel in its valve body of solenoid valve, as both needed to be applicable to water inlet, need again to be applicable to the washing machine solenoid valve system of putting detergent, a valve is for controlling water inlet, another valve is for controlling the liquid detergent input, two electromagnetic control assemblies just need to be arranged, control respectively water inlet and infusion fluid washing agent.As a same reason, if need to be applicable to throwing in two kinds of washing agent, just need to there be four electromagnetic control assemblies to control four valves.The result so directly caused is, cost is high, and complex structure and duty are large.When the keying of these valves is mutual switching types, i.e. a valve opening, another valve closing, also can be aspect machinery action and the circuit design aspect increase complicated factor, rate of fault also can increase.
Summary of the invention
The present invention will solve has two or, more than the switching type solenoid valve configurations complexity of two valve seats, cost is high at present, and the problem that duty is large provides a kind of switching valve of the present invention for this reason, this switching valve simple structure, and cost is low, and duty is little.
For addressing the above problem, the technical solution used in the present invention is that valve body is provided with water intake, water outlet and electromagnetic control assembly one, described electromagnetic control assembly one has electromagnetic coil one, be provided with piston one and iron core one in guide pin bushing in electromagnetic coil one, be provided with Compress Spring between piston one and iron core one, piston one front end is connected with piston cap one, its special way is that described valve body is provided with liquid entering hole one, valve seat A, valve seat B, inner chamber one and passage one, the suction side of valve seat A and described liquid entering hole one connect, passage is held one by one with water intake and is connected, the suction side of passage one the other end and valve seat B connects, the outlet side of the outlet side of valve seat A and valve seat B is opened in inner chamber one, valve seat A and valve seat B are corresponding with electromagnetic valve component one, the corresponding in opposite directions and alternate distance of the outlet side of the outlet side of valve seat A and valve seat B coaxial line in inner chamber one, the piston cap one of electromagnetic valve component one is positioned at the scope of a described alternate distance of the outlet side of the outlet side of valve seat A and valve seat B, and the closed valve seat A of piston cap one under normal conditions, open valve seat B, described inner chamber one can connect with water outlet.
Valve body described in the present invention can also be provided with liquid entering hole two, valve seat C, valve seat D, inner chamber two, passage two and electromagnetic control assembly two, the suction side of valve seat C and liquid entering hole two connect, passage 21 ends and described inner chamber one connect, the suction side of passage two the other ends and valve seat D connects, the outlet side of the outlet side of valve seat C and valve seat D is opened in inner chamber two, valve seat C and valve seat D are corresponding with electromagnetic valve component two, the corresponding in opposite directions and alternate distance of the outlet side of the outlet side of valve seat C and valve seat D coaxial line in inner chamber two, described electromagnetic control assembly two has electromagnetic coil two, be provided with piston two and iron core two in guide pin bushing in electromagnetic coil two, be provided with Compress Spring between piston two and iron core two, piston two front ends are connected with piston cap two, piston cap two is positioned at the scope of a described alternate distance of the outlet side of the outlet side of valve seat C and valve seat D, and the closed valve seat C of piston cap two under normal conditions, open valve seat D, described inner chamber two connects with water outlet.
The present invention, owing to also being provided with liquid entering hole one and valve seat A except being provided with water intake, valve seat B and water outlet, therefore have two inlet openings, can carry two kinds of different liquid, the corresponding in opposite directions and alternate distance of the outlet side of the outlet side of valve seat A of the present invention and valve seat B coaxial line in inner chamber one, the piston cap one of electromagnetic valve component one is positioned at the scope of a described alternate distance of the outlet side of the outlet side of valve seat A and valve seat B, and the closed valve seat A of piston cap one under normal conditions, open valve seat B, described normality refers to electromagnetic coil one no electric circuit state, at this moment under the Compress Spring effect between piston one and iron core one, piston one protracts, the outlet side of piston cap one front side closing valve seat A, the lift off a seat outlet side of B of piston cap one rear side, be the closed valve seat A of piston cap one and open valve seat B, during electromagnetic coil one energising, piston one is by iron core one adhesive, and piston cap is closed valve seat B once opening valve seat A, so, the unlatching that electromagnetic valve component of the present invention (piston, an iron core, a piston cap are wherein only arranged) can be controlled two valve seats is with closed, and these two valve seats to open with closing be switching type, control two valve seats with two traditional electromagnetic valve components and compare, simple structure of the present invention, cost is low, and duty is little, failure rate is low.The present invention is particularly suitable for doing the water inlet liquid feed valve of electrical equipment washing machine, dishwasher; Can accomplish to intake under normality during this valve application, stop after switching into water, from liquid entering hole one infusion fluid washing agent, water or liquid detergent are all exported from water outlet; Rinse the associated pipe runner when intaking under normality, with regard to not causing the residual fixed valve that affects of liquid detergent, normally used problem.Be provided with the present invention of liquid entering hole two, valve seat C, valve seat D and electromagnetic valve component two, also there are two liquid entering holes except water intake, when this valve is used in electrical equipment washing machine or dishwasher, can carries and throw in two kinds of different liquid detergents (can be also disinfector, bleaching agent or other additives).
The accompanying drawing explanation
Fig. 1 is traditional direct action solenoid valve structural representation;
Fig. 2 is the outline drawing of one embodiment of the invention;
Fig. 3 is a side view of Fig. 2 valve;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is that the structure of Fig. 2 valve is torn open and analysed figure;
Fig. 6 is the structural representation of the present invention with three electromagnetic control assemblies.
Mark and counterpart in figure: 1 water intake, 2 liquid entering hole one, 3 piston cap one, 4 liquid entering holes two, 5 piston cap two, 6 water outlets, 7 valve seat A, 8 inner chambers one, 9 passage one, 10 valve seat B, 11 pistons one, 12 electromagnetic coil one, 13 iron core one, 14 valve seat C, 15 inner chamber two, 16 valve seat D, 17 passages two, 18 piston two, 19 electromagnetic coil two, 20 iron cores two.
Embodiment
Embodiment one
A kind of switching valve, valve body is provided with water intake 1, water outlet 6 and electromagnetic control assembly one, electromagnetic control assembly one has electromagnetic coil 1, be provided with piston 1 and iron core 1 in guide pin bushing in electromagnetic coil one, be provided with Compress Spring between piston one and iron core one, piston one front end is connected with piston cap 1, described valve body is provided with liquid entering hole 1, valve seat A7, valve seat B10, inner chamber 1 and passage 1, the suction side of valve seat A and liquid entering hole 1 connect, passage one 9 one ends and water intake 1 connect, the suction side of passage one the other end and valve seat B connects, inner chamber one connects with water outlet, the outlet side of the outlet side of valve seat A and valve seat B is opened in inner chamber 1, valve seat A and valve seat B are corresponding with electromagnetic valve component one, the corresponding in opposite directions and alternate distance of the outlet side of the outlet side of valve seat A and valve seat B coaxial line in inner chamber one, the piston cap 1 of electromagnetic valve component one is positioned at the scope of a described alternate distance of the outlet side of the outlet side of valve seat A and valve seat B, at the cold normality lower piston of electromagnetic coil one cap one closed valve seat A, open valve seat B, piston one front end has the radial contraction section, and this radial contraction section passes valve seat B, and the described guide pin bushing of radial contraction section correspondence is towards a side opening of passage one.
During electromagnetic coil one no electric circuit, under the Compress Spring effect between piston one and iron core one, piston one protracts, the outlet side of piston cap one 3 front side closing valve seat A, the lift off a seat outlet side of B of piston cap one rear side, the i.e. closed valve seat A of piston cap one and open valve seat B, water is from water intake 1 input, enter inner chamber 1 by passage 1 and valve seat B10, inner chamber one connects with water outlet 6, and water is exported from water outlet.During electromagnetic coil one energising, piston one is by iron core one adhesive, and piston cap one is opened valve seat A7 and closed valve seat B10, and a kind of liquid can, from liquid entering hole one 2 inputs, enter inner chamber one by valve seat A, then export from water outlet as liquid detergent A.
Embodiment two
What this example was different from example is, described valve body is set up and is comprised liquid entering hole 24, valve seat C14, valve seat D16, inner chamber 2 15, the construction package of passage 2 17 and electromagnetic control assembly two, the suction side of valve seat C and liquid entering hole two connect, passage 21 ends and described inner chamber one connect, the suction side of passage two the other ends and valve seat D connects, the outlet side of the outlet side of valve seat C and valve seat D is opened in inner chamber two, valve seat C and valve seat D are corresponding with electromagnetic valve component two, the corresponding in opposite directions and alternate distance of the outlet side of the outlet side of valve seat C and valve seat D coaxial line in inner chamber two, described electromagnetic control assembly two has electromagnetic coil 2 19, be provided with piston 2 18 and iron core 2 20 in guide pin bushing in electromagnetic coil two, be provided with Compress Spring between piston two and iron core two, piston two front ends are connected with piston cap 25, piston cap two is positioned at the scope of a described alternate distance of the outlet side of the outlet side of valve seat C and valve seat D, and the closed valve seat C of piston cap two under normal conditions, open valve seat D, described inner chamber two connects with water outlet, piston two front ends have the radial contraction section, and this radial contraction section passes valve seat D, and the described guide pin bushing of radial contraction section correspondence is towards a side opening of passage two.
When electromagnetic coil one and electromagnetic coil two no electric circuit, water is from water intake 1 input, by passage 1, valve seat B10, inner chamber 1, passage 2 17, valve seat D16, inner chamber 2 15 and water outlet 6 outputs.When electromagnetic coil one and/or electromagnetic coil two energising, it is similar that the action of valve is switched on to example one electromagnetic coil one with effect.
Claims (2)
1. a switching valve, valve body is provided with water intake (1), water outlet (6) and electromagnetic control assembly one, described electromagnetic control assembly one has electromagnetic coil one (12), be provided with piston one (11) and iron core one (13) in guide pin bushing in electromagnetic coil one, be provided with Compress Spring between piston one and iron core one, piston one front end is connected with piston cap one (3), it is characterized in that described valve body is provided with liquid entering hole one (2), valve seat A(7), valve seat B(10), inner chamber one (8) and passage one (9), the suction side of valve seat A and described liquid entering hole one connect, passage is held one by one with water intake and is connected, the suction side of passage one the other end and valve seat B connects, the outlet side of the outlet side of valve seat A and valve seat B is opened in inner chamber one, valve seat A and valve seat B are corresponding with electromagnetic valve component one, the corresponding in opposite directions and alternate distance of the outlet side of the outlet side of valve seat A and valve seat B coaxial line in inner chamber one, the piston cap one of electromagnetic valve component one is positioned at the scope of a described alternate distance of the outlet side of the outlet side of valve seat A and valve seat B, and the closed valve seat A of piston cap one under normal conditions, open valve seat B, described inner chamber one can connect with water outlet.
2. switching valve as claimed in claim 1, it is characterized in that described valve body is provided with liquid entering hole two (4), valve seat C(14), valve seat D(16), inner chamber two (15), passage two (17) and electromagnetic control assembly two, the suction side of valve seat C and liquid entering hole two connect, passage 21 ends and described inner chamber one connect, the suction side of passage two the other ends and valve seat D connects, the outlet side of the outlet side of valve seat C and valve seat D is opened in inner chamber two, valve seat C and valve seat D are corresponding with electromagnetic valve component two, the corresponding in opposite directions and alternate distance of the outlet side of the outlet side of valve seat C and valve seat D coaxial line in inner chamber two, described electromagnetic control assembly two has electromagnetic coil two (19), be provided with piston two (18) and iron core two (20) in guide pin bushing in electromagnetic coil two, be provided with Compress Spring between piston two and iron core two, piston two front ends are connected with piston cap two (5), piston cap two is positioned at the scope of a described alternate distance of the outlet side of the outlet side of valve seat C and valve seat D, and the closed valve seat C of piston cap two under normal conditions, open valve seat D, described inner chamber two connects with water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393406.6A CN103438262B (en) | 2013-09-02 | 2013-09-02 | A kind of switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393406.6A CN103438262B (en) | 2013-09-02 | 2013-09-02 | A kind of switching valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438262A true CN103438262A (en) | 2013-12-11 |
| CN103438262B CN103438262B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310393406.6A Ceased CN103438262B (en) | 2013-09-02 | 2013-09-02 | A kind of switching valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN103438262B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727266A (en) * | 2014-01-13 | 2014-04-16 | 宁夏丹辰科技有限公司 | Test solenoid valve |
| CN106015587A (en) * | 2015-03-27 | 2016-10-12 | 庆东纳碧安株式会社 | Mounting structure of valve and hot water mat using the same |
| CN110397575A (en) * | 2019-08-21 | 2019-11-01 | 佛山珂纳斯科技有限公司 | A kind of two-way pump |
| CN112846819A (en) * | 2020-12-25 | 2021-05-28 | 浙江赫科智能装备有限公司 | Moving mechanism of numerical control machine tool and lubricating method thereof |
| CN112892363A (en) * | 2021-02-02 | 2021-06-04 | 叶文宽 | Production method and production system of ink for plastics, glass, metal and ceramics |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6237634B1 (en) * | 1998-07-02 | 2001-05-29 | Smc Corporation | Manually operated supply and exhaust changeover valve for fluid Pressure apparatus |
| CN101469785A (en) * | 2007-12-25 | 2009-07-01 | 杭州神林电子有限公司 | Electromagnetic metering pump |
| CN102330834A (en) * | 2011-09-07 | 2012-01-25 | 浙江中宝自控元件有限公司 | Electromagnetic valve |
| CN202209446U (en) * | 2011-08-02 | 2012-05-02 | 南昌大学 | Four-way solenoid valve |
| CN103267143A (en) * | 2013-05-24 | 2013-08-28 | 杭州神林电子有限公司 | Switching valve of water heater |
| CN203477553U (en) * | 2013-09-02 | 2014-03-12 | 杭州神林电子有限公司 | Changeover valve |
-
2013
- 2013-09-02 CN CN201310393406.6A patent/CN103438262B/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6237634B1 (en) * | 1998-07-02 | 2001-05-29 | Smc Corporation | Manually operated supply and exhaust changeover valve for fluid Pressure apparatus |
| CN101469785A (en) * | 2007-12-25 | 2009-07-01 | 杭州神林电子有限公司 | Electromagnetic metering pump |
| CN202209446U (en) * | 2011-08-02 | 2012-05-02 | 南昌大学 | Four-way solenoid valve |
| CN102330834A (en) * | 2011-09-07 | 2012-01-25 | 浙江中宝自控元件有限公司 | Electromagnetic valve |
| CN103267143A (en) * | 2013-05-24 | 2013-08-28 | 杭州神林电子有限公司 | Switching valve of water heater |
| CN203477553U (en) * | 2013-09-02 | 2014-03-12 | 杭州神林电子有限公司 | Changeover valve |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727266A (en) * | 2014-01-13 | 2014-04-16 | 宁夏丹辰科技有限公司 | Test solenoid valve |
| CN103727266B (en) * | 2014-01-13 | 2016-07-13 | 宁夏丹辰科技有限公司 | Test electromagnetic valve |
| CN106015587A (en) * | 2015-03-27 | 2016-10-12 | 庆东纳碧安株式会社 | Mounting structure of valve and hot water mat using the same |
| CN106015587B (en) * | 2015-03-27 | 2019-05-28 | 庆东纳碧安株式会社 | A kind of fastening structure of automatic valve and hot water mat using the automatic valve |
| CN110397575A (en) * | 2019-08-21 | 2019-11-01 | 佛山珂纳斯科技有限公司 | A kind of two-way pump |
| CN112846819A (en) * | 2020-12-25 | 2021-05-28 | 浙江赫科智能装备有限公司 | Moving mechanism of numerical control machine tool and lubricating method thereof |
| CN112846819B (en) * | 2020-12-25 | 2022-02-08 | 浙江赫科智能装备有限公司 | Moving mechanism of numerical control machine tool and lubricating method thereof |
| CN112892363A (en) * | 2021-02-02 | 2021-06-04 | 叶文宽 | Production method and production system of ink for plastics, glass, metal and ceramics |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103438262B (en) | 2016-04-13 |
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Decision date of declaring invalidation: 20190722 Decision number of declaring invalidation: 41036 Granted publication date: 20160413 |
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