CN103267143B - Water heater switching valve - Google Patents
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- CN103267143B CN103267143B CN201310198316.1A CN201310198316A CN103267143B CN 103267143 B CN103267143 B CN 103267143B CN 201310198316 A CN201310198316 A CN 201310198316A CN 103267143 B CN103267143 B CN 103267143B
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Abstract
Simple structure, installing the water heater switching valve that Lu is easy to use, valve body is provided with solar water heater inlet valve, solar water heater flowing water Valve, electric heater flowing water Valve, cooling water inlet, cooling water outlet, Inlet and outlet water dual-purpose mouth, hot water outlet, hot water inlet and back pressure chamber water flow passage；Cooling water inlet and cooling water outlet and solar water heater inlet valve lead to and then lead to Inlet and outlet water dual-purpose mouth, hot water inlet and electric heater flowing water Valve lead to and then lead to hot water outlet, Inlet and outlet water dual-purpose mouth and solar water heater flowing water Valve lead to and then lead to hot water outlet, and back pressure chamber water flow passage and hot water outlet lead to；The connected switching device of valve body cover plate has the port one of three way type, port two, port three and switching rotating shaft, and the collar extension of port one, port two and port three leads to electric heater flowing water Valve back pressure chamber, solar water heater flowing water Valve back pressure chamber and back pressure chamber water flow passage respectively.The present invention is suitable for doing the switching device of two class water heaters.<!--1-->
Description
Technical field
The present invention relates to the device that liquid stream is opened, closed and flow to switching, into and out of the unlatching of current, Guan Bi and flow to the device switched especially for two water heaters.
Background technology
Electric water heater and gas heater and solar water heater are each tool advantages, apply most common a few class water heater.Wherein, electric heater is longer, energy-efficient, safe and environment-friendly for service life, can be hidden in built-in wardrobe, be placed on balcony and install, do not expose, do not take up an area, but need preheating before using, continuous water consumption limited (water temperature still declines to a great extent even if being energized when water consumption is bigger)；Gas heater can be used on burning limit, limit, hot water supply is unrestricted, but open after because of manage interior initial cold water section discharge need low latency and easily waste water, during use, midway is then turned on after closing water, due to combustion heat inertia, opening initial water temperature often too high, continuing, there is the phenomenon in short-term that water temperature is too low in you；Solar water heater safety, energy-saving and environmental protection, economy, but exist install complicated, safeguard inconvenience, pipeline cold water segment length, overcast and rainy can not act on and winter the poor shortcoming of result of use.
Although having released at present technical scheme electric heater and gas heater or solar water heater being used in conjunction with, but two kinds of water heaters needing individually switching, not only convenient not, and be difficult to mutually learn from other's strong points to offset one's weaknesses.The hot water apparatus of a kind of electric heater of the Introduction To Cn Patent of the patent No. 200520004940.4 and solar water heater combination, the holding wire being arranged on solar water heater is connected to electric heater by this device, electric heater bottom connects mixing valve by the road, it is connected to this mixing valve with a threeway again, is additionally connected to according to this on electric heater and solar water heater with threeway or cross valve again.This device not only pipeline is complicated, the original pipeline of user is changed relatively big, and the suitability is poor.
The patent No. a kind of waterway switching control module of water heater that has been the Introduction To Cn Patent of 201020563955.5, realizes automatic switchover required between two kinds of water heaters by control circuit.This switching mode must use motor and temperaturecontrol sensor, therefore constructs more complicated, and use cost is higher.
Summary of the invention
The invention solves the problems that the composite switch device structure complexity that in prior art, electric heater and solar water heater or gas heater combination use, use convenient not and that cost is high problem, a kind of water heater switching valve of the present invention is provided for this, electric heater can be combined by this switching valve with the water-in and water-out passage of solar water heater, and water inlet and the water outlet of electric heater and solar water heater can be switched, this switching means configuration is simple, installs with easy to use, and cost is low.
For solve the problems referred to above, the technical solution used in the present invention its be characterized in that valve body is provided with solar water heater inlet valve, solar water heater flowing water Valve, electric heater flowing water Valve and cooling water inlet, cooling water outlet, Inlet and outlet water dual-purpose mouth, hot water outlet, hot water inlet and back pressure chamber water flow passage；
Cooling water inlet and cooling water outlet lead to, and cooling water outlet leads to for the water inlet with electric heater, and tap water can be made to pass through cooling water inlet, cooling water outlet input Water tank for electrical water heater；Cooling water inlet also leads to the entrance of solar water heater inlet valve, the outlet of solar water heater inlet valve is led to the internal orifice of described Inlet and outlet water dual-purpose mouth, the collar extension of Inlet and outlet water dual-purpose mouth, for being connected with water inlet and the outlet three way type of solar water heater, can make tap water pass through cooling water inlet, solar water heater inlet valve and Inlet and outlet water dual-purpose mouth input solar water heater water tank；The collar extension of described hot water inlet leads to for the outlet with electric heater, the entrance of the internal orifice of hot water inlet and electric heater flowing water Valve leads to, the outlet of electric heater flowing water Valve and described hot water outlet lead to, and the water outlet of electric heater can be made by hot water inlet, electric heater flowing water Valve and hot water outlet output；The internal orifice of Inlet and outlet water dual-purpose mouth also leads to the entrance of solar water heater flowing water Valve, the outlet of solar water heater flowing water Valve and hot water outlet lead to, and the water outlet of solar water heater can be made by Inlet and outlet water dual-purpose mouth, solar water heater flowing water Valve and hot water outlet output；The internal orifice of described back pressure chamber water flow passage and hot water outlet lead to；
Described solar water heater flowing water Valve and electric heater flowing water Valve are the Leading valve with back pressure chamber；
Described valve body is connected with valve body cover plate, valve body cover plate is connected with switching device；
Described switching device has port one, port two, port three and rotating shaft, rotating shaft is three way type switching rotating shaft, rotating shaft leading section be placed in switching device and with port one, port two, the internal orifice of port three is corresponding, when after axis of rotation one angle, the internal orifice of port one and the internal orifice of port three are through, when after another angle of axis of rotation, the internal orifice of port two and the internal orifice of port three are through, the back pressure chamber of the collar extension of port one and electric heater flowing water Valve leads to, the back pressure chamber of the collar extension of port two and solar water heater flowing water Valve leads to, the collar extension of the collar extension of port three and described back pressure chamber water flow passage leads to.Described port one, port two, port three are similar to common three-way switch valve with the combination of rotating shaft, only only there are two operating modes in the switching device axis of rotation of the present invention, namely port one is through with port three, or port two is through with port three, is absent from the through of port one and port two.
The present invention can be provided with a space on the switching device body that described rotating shaft is corresponding in the middle part of it, this space is provided with a torsion spring, one end is connected in rotating shaft, and the torsion spring other end is fixed on switching device body corresponding outside space, and after so making axis of rotation, location is convenient.
Solar water heater inlet valve of the present invention is preferably electromagnetic pilot valve, this valve is made up of valve seat, barrier film, diaphragm plate, piston cap, coil, piston, guide pin bushing and electrode sleeve pipe, barrier film is combined with diaphragm plate, barrier film corresponds to valve seat, being placed on guide pin bushing in piston, be placed on electrode sleeve pipe in guide pin bushing, electrode sleeve pipe inner sleeve is in coil, piston cap is connected in piston nose, and piston cap is also corresponding with the centre bore of diaphragm plate.
Described solar water heater flowing water Valve should be made up of valve seat, barrier film, diaphragm plate and spring, and barrier film is incorporated into diaphragm plate, and barrier film is also corresponding with valve seat, and spring is placed in back pressure chamber and is pressed on diaphragm plate to top, valve seat direction；
Described electric heater flowing water Valve should be made up of valve seat, barrier film, diaphragm plate and spring, and barrier film is incorporated into diaphragm plate, and barrier film is also corresponding with valve seat, and spring is placed in back pressure chamber and is pressed on diaphragm plate to top, valve seat direction.
Described switching device can be have inner chamber, the leading section of described rotating shaft is placed in this inner chamber, the internal orifice of described port three runs through inner chamber, described port one, the internal orifice of port two is opened in inner chamber, inner chamber is provided with valve rod one in port one internal orifice corresponding position, it is provided with valve rod two in port two internal orifice corresponding position, the cap one on valve rod one and top thereof is for opening and closing the internal orifice of port one, the cap two on valve rod two and top thereof is for opening and closing the internal orifice of mouth two, rotating shaft outer end is connected with knob, rotating shaft leading section has cambered outwards two of footpath and stirs projection, stir projection for two and correspond respectively to valve rod one and the recess of valve rod two, when axis of rotation can stir valve rod one respectively, valve rod two, described cap one is made to close or leave the internal orifice of port one, or described cap two closes or leaves the internal orifice of port two；
Described valve body cover plate is provided with through hole one, through hole two and through hole three, and the collar extension of the port one of switching device, port two and port three leads to respectively in described through hole one, through hole two and through hole three.
The entrance of heretofore described valve refers to the valve seat opening towards barrier film direction, and the outlet of valve refers to the port back on described Way in of valve seat.
The collar extension of described Inlet and outlet water dual-purpose mouth is for being connected with water inlet and the outlet three way type of solar water heater, refer to that the water inlet of solar water heater water tank is connected with outlet pipe, the collar extension of the side opening of this pipe and Inlet and outlet water dual-purpose mouth leads to, and is similar to T-shaped connection or Y type connects.
Due to the fact that and be provided with solar water heater inlet valve, solar water heater flowing water Valve, electric heater flowing water Valve and cooling water inlet, cooling water outlet, Inlet and outlet water dual-purpose mouth, hot water outlet, hot water inlet and back pressure chamber water flow passage, cooling water inlet and cooling water outlet lead to, cooling water outlet leads to for the water inlet with electric heater, cooling water inlet also leads to the entrance of solar water heater inlet valve, the outlet of solar water heater inlet valve is led to the internal orifice of described Inlet and outlet water dual-purpose mouth, Inlet and outlet water dual-purpose mouth is for being connected with water inlet and the outlet three way type of solar water heater, therefore electric heater and solar water heater inlet can be given after installing；Owing to hot water inlet leads to for the outlet with electric heater, electric heater flowing water Valve and hot water outlet lead to, Inlet and outlet water dual-purpose mouth and solar water heater flowing water Valve lead to, solar water heater flowing water Valve and hot water outlet lead to, therefore can export the water outlet of electric heater or the water outlet of solar water heater by the present invention；Again owing to the present invention is provided with switching device, therefore the water outlet of the water outlet of electric heater Yu solar water heater can be switched output mutually, the use advantage of two kinds of water heaters can be gathered, and overcome both weak points to greatest extent.Simple structure of the present invention, volume is little, installs with easy to use, and cost is low.The use of the present invention is conducive to energy-saving and environmental protection, safety.Being connected with the present invention of torsion spring in the rotating shaft of switching device, can make the more convenient operation that electric heater and solar water heater water outlet switch mutually, switching location is more efficient reliably.
Accompanying drawing explanation
Fig. 1 is the present invention one outline drawing；
Fig. 2 is the present invention one structural representation；
Fig. 3 is the component disassembly diagram of the present invention；
Fig. 4 is the switching device outline drawing in the present invention；
Fig. 5 is the knob one angle schematic diagram of switching device；
Fig. 6 is that switching device is in port one opening schematic diagram correspondence electric heater water outlet；
Fig. 7 is another angle schematic diagram of knob of switching device；
Fig. 8 is that switching device is in port two opening schematic diagram correspondence solar water heater water outlet；
Fig. 9 is that correspondence electric heater of the present invention goes out current direction (direction of arrow) schematic diagram；
Figure 10 is that correspondence solar water heater of the present invention goes out current direction (direction of arrow) schematic diagram.
Labelling and counterpart in figure: 1 solar water heater inlet valve, 2 solar water heater flowing water Valves, 3 electric heater flowing water Valves, 4 cooling water inlets, 5 cooling water outlets, 6 Inlet and outlet water dual-purpose mouths, 7 hot water outlets, 8 hot water inlets, 9 back pressure chamber water flow passage, 10 valve body cover plates, 11 switching devices；
101 valve seats, 102 barrier films, 103 diaphragm plates, 104 piston caps, 105 coils, 106 pistons, 107 guide pin bushings, 108 electrode sleeve pipes；
201 valve seats, 202 barrier films, 203 diaphragm plates, 204 springs；
301 valve seats, 302 barrier films, 303 diaphragm plates, 304 springs；
1001 through holes one, 1002 through holes two, 1003 through holes three；
1101 ports one, 1102 ports two, 1103 ports three, 1104 knobs, rotating shaft 1105,1106 valve rod one, 1107 caps one, 1108 valve rods two, 1109 caps two, 1110 spaces, 1111 torsion springs.
Detailed description of the invention
Embodiment one
Water heater switching valve, valve body is provided with solar water heater inlet valve 1, solar water heater flowing water Valve 2, electric heater flowing water Valve 3 and cooling water inlet 4, cooling water outlet 5, Inlet and outlet water dual-purpose mouth 6, hot water outlet 7, hot water inlet 8 and back pressure chamber water flow passage 9；
Cooling water inlet 4 and cooling water outlet 5 lead to, and cooling water outlet 5 leads to for the water inlet with electric heater, and tap water can be made to pass through cooling water inlet, cooling water outlet input Water tank for electrical water heater；Cooling water inlet also leads to the entrance of solar water heater inlet valve 1, passage is provided with a non-return valve, the outlet of solar water heater inlet valve is led to the internal orifice of described Inlet and outlet water dual-purpose mouth 6, the collar extension of Inlet and outlet water dual-purpose mouth, for being connected with water inlet and the outlet three way type of solar water heater, can make tap water pass through cooling water inlet, solar water heater inlet valve and Inlet and outlet water dual-purpose mouth input solar water heater water tank；The collar extension of described hot water inlet 8 leads to for the outlet with electric heater, the entrance of the internal orifice of hot water inlet and electric heater flowing water Valve 3 leads to, the outlet of electric heater flowing water Valve and described hot water outlet 7 lead to, and the water outlet of electric heater can be made by hot water inlet, electric heater flowing water Valve and hot water outlet output；The internal orifice of Inlet and outlet water dual-purpose mouth also leads to the entrance of solar water heater flowing water Valve 2, the outlet of solar water heater flowing water Valve and hot water outlet 7 lead to, and the water outlet of solar water heater can be made by Inlet and outlet water dual-purpose mouth, solar water heater flowing water Valve and hot water outlet output；The internal orifice of described back pressure chamber water flow passage 9 and hot water outlet 7 lead to；
Solar water heater inlet valve 1 is electromagnetic pilot valve, it is made up of valve seat 101, barrier film 102, diaphragm plate 103, piston cap 104, coil 105, piston 106, guide pin bushing 107 and electrode sleeve pipe 108, barrier film is combined with diaphragm plate, barrier film corresponds to valve seat, being placed on guide pin bushing in piston, be placed on electrode sleeve pipe in guide pin bushing, electrode sleeve pipe inner sleeve is in coil, piston cap is connected in piston nose, and piston cap is also corresponding with the centre bore of diaphragm plate；
Solar water heater flowing water Valve 2 and electric heater flowing water Valve 3 are the Leading valve with back pressure chamber；Solar water heater flowing water Valve 2 is made up of valve seat 201, barrier film 202, diaphragm plate 203 and spring 204, and barrier film is incorporated into diaphragm plate, and barrier film is also corresponding with valve seat, and spring is placed in back pressure chamber and is pressed on diaphragm plate to top, valve seat direction；Electric heater flowing water Valve 3 is made up of valve seat 301, barrier film 302, diaphragm plate 303 and spring 304, and barrier film is incorporated into diaphragm plate, and barrier film is also corresponding with valve seat, and spring is placed in back pressure chamber and is pressed on diaphragm plate to top, valve seat direction；
Described valve body is connected with valve body cover plate 10, valve body cover plate is connected with switching device 11；
Described switching device has port 1, port 2 1102, port 3 1103 and rotating shaft 1105, rotating shaft is three way type switching rotating shaft, rotating shaft leading section be placed in switching device and with port one, port two, the internal orifice of port three is corresponding, when after axis of rotation one angle, the internal orifice of port one and the internal orifice of port three are through, when after another angle of axis of rotation, the internal orifice of port two and the internal orifice of port three are through, the back pressure chamber of the collar extension of port one and electric heater flowing water Valve leads to, the back pressure chamber of the collar extension of port two and solar water heater flowing water Valve leads to, the collar extension of the collar extension of port three and described back pressure chamber water flow passage 9 leads to；
The specific configuration of switching device is that it has inner chamber, the leading section of rotating shaft 1105 is placed in this inner chamber, the internal orifice of described port three runs through inner chamber, described port one, the internal orifice of port two is opened in inner chamber, inner chamber is provided with valve rod 1 in port one internal orifice corresponding position, it is provided with valve rod 2 1108 in port two internal orifice corresponding position, the cap 1 on valve rod one and top thereof is for opening and closing the internal orifice of port one, the cap 2 1109 on valve rod two and top thereof is for opening and closing the internal orifice of mouth two, rotating shaft outer end is connected with knob 1104, rotating shaft leading section has cambered outwards two of footpath and stirs projection, stir projection for two and correspond respectively to valve rod one and the recess of valve rod two, when axis of rotation can stir valve rod one respectively, valve rod two, described cap one is made to close or leave the internal orifice of port one, or described cap two closes or leaves the internal orifice of port two；
Described valve body cover plate is provided with through hole 1, through hole 2 1002 and through hole 3 1003, and the collar extension of the port one of switching device, port two and port three leads to respectively in described through hole one, through hole two and through hole three.
When the present invention installs, cooling water inlet 4 is connected with external tap water input pipe, cooling water outlet 5 is connected with Water tank for electrical water heater water inlet, hot water inlet 8 is connected with Water tank for electrical water heater outlet, Inlet and outlet water dual-purpose mouth props up connect with the water inlet of solar water heater water tank and the connecting leg of outlet, similar T-shaped or Y type connects, and hot water outlet 7 is connected with terminal hot water output.
Tap water can pass through cooling water inlet 4 and cooling water outlet 5 inputs Water tank for electrical water heater；During solar water heater water tank hydropenia, level sensor sends signal, and solar water heater inlet valve 1 is opened, and tap water inputs solar water heater water tank by cooling water inlet, the logical water feeding of heater valve of the sun and Inlet and outlet water dual-purpose mouth 6.
Such as Fig. 5, Fig. 6, shown in Fig. 9, the rotating shaft 1105 of switching device 11 rotates an angle, valve rod 1 and cap 1 open the internal orifice of port 1, port one is through with port three, owing to the collar extension of port one and the back pressure chamber of electric heater flowing water Valve 3 lead to, the collar extension of port three and back pressure chamber water flow passage 9 are led to, therefore the water in electric heater flowing water Valve back pressure chamber is discharged by back pressure chamber water flow passage and hot water outlet 7, back pressure chamber pressure release under electric heater water outlet flow action, electric heater flowing water Valve automatically turns on, electric heater water outlet is exported by hot water inlet 8 and hot water outlet 7.
As shown in Fig. 7, Fig. 8, Figure 10, the rotating shaft 1105 of switching device 11 rotates another angle, valve rod 2 1108 and cap 2 1109 open the internal orifice of port 2 1102, port two is through with port three, hereafter relation of leading to is similar to above-mentioned electric heater water outlet, and solar water heater water outlet is exported by Inlet and outlet water dual-purpose mouth 6 and hot water outlet 7.
Embodiment two
This example switching valve, the switching device body that described rotating shaft is corresponding in the middle part of it is provided with a space 1110, is provided with a torsion spring 1111 in this space, and one end is connected in rotating shaft, and the torsion spring other end is fixed on switching device body corresponding outside space.Other structures are identical with upper example.
Claims (5)
1. water heater switching valve, is characterized in that valve body is provided with solar water heater inlet valve (1), solar water heater flowing water Valve (2), electric heater flowing water Valve (3) and cooling water inlet (4), cooling water outlet (5), Inlet and outlet water dual-purpose mouth (6), hot water outlet (7), hot water inlet (8) and back pressure chamber water flow passage (9)；
Cooling water inlet (4) and cooling water outlet (5) lead to, and cooling water outlet (5) leads to for the water inlet with electric heater, and tap water can be made to pass through cooling water inlet, cooling water outlet input Water tank for electrical water heater；Cooling water inlet also leads to the entrance of solar water heater inlet valve (1), the internal orifice of the outlet of solar water heater inlet valve and described Inlet and outlet water dual-purpose mouth (6) leads to, the collar extension of Inlet and outlet water dual-purpose mouth, for being connected with water inlet and the outlet three way type of solar water heater, can make tap water pass through cooling water inlet, solar water heater inlet valve and Inlet and outlet water dual-purpose mouth input solar water heater water tank；The collar extension of described hot water inlet (8) leads to for the outlet with electric heater, the entrance of the internal orifice of hot water inlet and electric heater flowing water Valve (3) leads to, the outlet of electric heater flowing water Valve and described hot water outlet (7) lead to, and the water outlet of electric heater can be made by hot water inlet, electric heater flowing water Valve and hot water outlet output；The internal orifice of Inlet and outlet water dual-purpose mouth also leads to the entrance of solar water heater flowing water Valve (2), the outlet of solar water heater flowing water Valve and hot water outlet (7) lead to, and the water outlet of solar water heater can be made by Inlet and outlet water dual-purpose mouth, solar water heater flowing water Valve and hot water outlet output；The internal orifice of described back pressure chamber water flow passage (9) and hot water outlet (7) lead to；
Described solar water heater flowing water Valve (2) and electric heater flowing water Valve (3) are the Leading valve with back pressure chamber；
Described valve body is connected with valve body cover plate (10), valve body cover plate is connected with switching device (11)；
Described switching device has port one (1101), port two (1102), port three (1103) and rotating shaft (1105), rotating shaft is three way type switching rotating shaft, rotating shaft leading section be placed in switching device and with port one, port two, the internal orifice of port three is corresponding, when after axis of rotation one angle, the internal orifice of port one and the internal orifice of port three are through, when after another angle of axis of rotation, the internal orifice of port two and the internal orifice of port three are through, the back pressure chamber of the collar extension of port one and electric heater flowing water Valve leads to, the back pressure chamber of the collar extension of port two and solar water heater flowing water Valve leads to, the collar extension of the collar extension of port three and described back pressure chamber water flow passage (9) leads to.
2. switch valve as claimed in claim 1, it is characterized in that the switching device body that described rotating shaft is corresponding in the middle part of it is provided with a space (1110), this space is provided with a torsion spring (1111), one end is connected in rotating shaft, and the torsion spring other end is fixed on switching device body corresponding outside space.
3. switch valve as claimed in claim 1 or 2, it is characterized in that described solar water heater inlet valve (1) is electromagnetic pilot valve, this valve is by valve seat (101), barrier film (102), diaphragm plate (103), piston cap (104), coil (105), piston (106), guide pin bushing (107) and electrode sleeve pipe (108) composition, barrier film is combined with diaphragm plate, barrier film corresponds to valve seat, guide pin bushing it is placed in piston, electrode sleeve pipe it is placed in guide pin bushing, electrode sleeve pipe inner sleeve is in coil, piston cap is connected in piston nose, piston cap is also corresponding with the centre bore of diaphragm plate.
4. switch valve as claimed in claim 3, it is characterized in that: described solar water heater flowing water Valve (2) is made up of valve seat (201), barrier film (202), diaphragm plate (203) and spring (204), barrier film is incorporated into diaphragm plate, barrier film is also corresponding with valve seat, and spring is placed in back pressure chamber and is pressed on diaphragm plate to top, valve seat direction；
Described electric heater flowing water Valve (3) is made up of valve seat (301), barrier film (302), diaphragm plate (303) and spring (304), barrier film is incorporated into diaphragm plate, barrier film is also corresponding with valve seat, and spring is placed in back pressure chamber and is pressed on diaphragm plate to top, valve seat direction.
5. switch valve as claimed in claim 4, it is characterized in that described switching device has inner chamber, the leading section of described rotating shaft is placed in this inner chamber, the internal orifice of described port three runs through inner chamber, described port one, the internal orifice of port two is opened in inner chamber, inner chamber is provided with valve rod one (1106) in port one internal orifice corresponding position, it is provided with valve rod two (1108) in port two internal orifice corresponding position, the cap one (1107) on valve rod one and top thereof is for opening and closing the internal orifice of port one, the cap two (1109) on valve rod two and top thereof is for opening and closing the internal orifice of mouth two, rotating shaft outer end is connected with knob (1104), rotating shaft leading section has cambered outwards two of footpath and stirs projection, stir projection for two and correspond respectively to valve rod one and the recess of valve rod two, when axis of rotation can stir valve rod one respectively, valve rod two, described cap one is made to close or leave the internal orifice of port one, or described cap two closes or leaves the internal orifice of port two；
Described valve body cover plate is provided with through hole one (1004), through hole two (1002) and through hole three (1003), and the collar extension of the port one of switching device, port two and port three leads to respectively in described through hole one, through hole two and through hole three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198316.1A CN103267143B (en) | 2013-05-24 | 2013-05-24 | Water heater switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198316.1A CN103267143B (en) | 2013-05-24 | 2013-05-24 | Water heater switching valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103267143A CN103267143A (en) | 2013-08-28 |
| CN103267143B true CN103267143B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310198316.1A Active CN103267143B (en) | 2013-05-24 | 2013-05-24 | Water heater switching valve |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438262B (en) * | 2013-09-02 | 2016-04-13 | 杭州神林电子有限公司 | A kind of switching valve |
| CN103994251B (en) * | 2014-05-29 | 2015-12-30 | 衢州迪升工业设计有限公司 | The water outlet of solar water heater or water inlet automatic transfer valve |
| CN105587898B (en) * | 2016-03-24 | 2018-04-03 | 林泓鑫 | A kind of multichannel water-through valve |
| CN113775793B (en) * | 2020-06-09 | 2024-05-14 | 汉宇集团股份有限公司 | Pilot-operated type multichannel electromagnetic water inlet valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5826504B2 (en) * | 1979-08-16 | 1983-06-03 | 兼工業株式会社 | Combination system of solar water heater and hot water boiler |
| CN2132949Y (en) * | 1992-09-15 | 1993-05-12 | 上海广安工程应用技术研究所 | Heat supply unit of solar electrothermal water heater |
| CN1255612A (en) * | 1998-11-26 | 2000-06-07 | 严振华 | Combined valve used in conjunction with solar water heater |
| CN201166160Y (en) * | 2008-03-21 | 2008-12-17 | 郑崇斌 | Double-purpose household combined valve |
| CN203297670U (en) * | 2013-05-24 | 2013-11-20 | 杭州神林电子有限公司 | Changeover valve of water heater |
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2013
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| CN103267143A (en) | 2013-08-28 |
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