CN203963122U - Multifunctional switching valve - Google Patents
Multifunctional switching valve Download PDFInfo
- Publication number
- CN203963122U CN203963122U CN201420427010.9U CN201420427010U CN203963122U CN 203963122 U CN203963122 U CN 203963122U CN 201420427010 U CN201420427010 U CN 201420427010U CN 203963122 U CN203963122 U CN 203963122U
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- Prior art keywords
- hole
- valve plate
- water
- fixed valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 150000003839 salts Chemical class 0.000 claims abstract description 43
- 239000008234 soft water Substances 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 230000003020 moisturizing effect Effects 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 6
- 230000008929 regeneration Effects 0.000 abstract description 4
- 238000011069 regeneration method Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model provides a kind of Multifunctional switching valve, comprises the valve body and the filter element being fixedly connected with this valve body that are provided with water intake and water outlet, and the water-dispensing device of establishing in described filter element is connected with valve body, and described valve body is also connected with medium container; Described fixed valve plate has fixed valve plate the 7th through hole, fixed valve plate the first through hole, fixed valve plate the second through hole and the fixed valve plate third through-hole being communicated with described filter element, water-dispensing device, water outlet and medium container respectively, at water softening device during in water compensating state, described moving valve plate is communicated with described water intake and described fixed valve plate the 7th through hole, and described moving valve plate is also communicated with described fixed valve plate the second through hole, fixed valve plate third through-hole and fixed valve plate the first through hole.The utility model is in moisturizing process, and salt case is mended soft water, and the regenerated liquid of being made by soft water not only can make regeneration efficiency improve, and can be in salt case the water of residual higher hardness.
Description
Technical field
The utility model relates to water softening device field, is specifically related to a kind of Multifunctional switching valve that is applicable to water softening device.
Background technique
At present, water softening device by Multifunctional switching valve (also claiming Multifunctional switching valve) realize softening operation, inhale that salt is washed slowly, backwash, just wash, the function of moisturizing.But during the moisturizing of salt case, what fill into is former water, and salt is immersed in former water for a long time, meeting higher water of hardness leakage in salt case, the salt bridge that even can form or salt platform phenomenon; When carrying out the desalinization of soil by flooding or leaching, impurity band can be entered in resin container, affect resin regeneration effect.
Model utility content
The utility model provides a kind of Multifunctional switching valve, to solve existing water softening device when the moisturizing of salt case, and can be in the problem of the residual higher hardness water of salt case.
For this reason, the utility model proposes a kind of Multifunctional switching valve, comprise the valve body and the filter element being fixedly connected with this valve body that are provided with water intake and water outlet, the water-dispensing device of establishing in described filter element is connected with valve body, and described valve body is also connected with medium container; The spool of establishing in described valve body comprises moving valve plate and the fixed valve plate that a pair of end face is sealed and matched, described fixed valve plate has fixed valve plate the 7th through hole, fixed valve plate the first through hole, fixed valve plate the second through hole and the fixed valve plate third through-hole being communicated with described filter element, water-dispensing device, water outlet and medium container respectively, at water softening device during in water compensating state, described moving valve plate is communicated with described water intake and described fixed valve plate the 7th through hole, and described moving valve plate is also communicated with described fixed valve plate the second through hole, fixed valve plate third through-hole and fixed valve plate the first through hole.
Further, on described valve body, be also provided be communicated with fixed valve plate the 7th through hole and described filter element water-guiding hole one, be communicated with described water-dispensing device and the water-guiding hole two of described fixed valve plate the first through hole and the water-guiding hole five that is communicated with described fixed valve plate third through-hole and described medium container.
Further, described moving valve plate comprises: moving valve plate the first through hole, moving valve plate the second through hole, moving valve plate third through-hole, moving valve plate the first blind hole, moving valve plate fourth hole, moving valve plate fifth hole, moving valve plate the second blind hole and moving valve plate the 3rd blind hole;
Fixed valve plate second through hole of described fixed valve plate the first through hole, described fixed valve plate and fixed valve plate third through-hole are interconnected by third through-hole and first blind hole of described moving valve plate.
Further, under water compensating state, water intake is communicated with moving valve plate fifth hole and fixed valve plate the 7th through hole, and be communicated with described filter element by water-guiding hole one, water-dispensing device is communicated with water-guiding hole two, and water-guiding hole two is communicated with water outlet, and water outlet goes out soft water, the third through-hole of fixed valve plate is by water-guiding hole tee joint medium container, and described medium container fills into soft water.
Further, described filter element comprises resin container.
Further, described medium container is salt case.
The utility model is communicated with described water intake and described fixed valve plate the 7th through hole by moving valve plate, and moving valve plate is also communicated with the first through hole of described fixed valve plate the second through hole, fixed valve plate third through-hole and fixed valve plate; Fixed valve plate the 7th through hole connects filter element, and fixed valve plate the first through hole connects water-dispensing device, and fixed valve plate the second through hole connects water outlet, third through-hole connecting media container is for example salt case, make under water compensating state the water inlet of the water intake of water softening device, and the filtration of process filter element, from water outlet, go out soft water, from medium container, fill into soft water, like this, just overcome existing water softening device when the moisturizing of salt case, what fill into is former water, the problem of meeting residual higher hardness water in salt case.In addition, in moisturizing process, user can continue to use soft water.In addition, the utility model moisturizing is before counter-current regeneration, and dry salt is stored in salt case, when needs counter-current regeneration, toward the moisturizing of salt case, avoids salt to be immersed in water for a long time, thus the salt bridge or the salt platform phenomenon that easily form.
Accompanying drawing explanation
Fig. 1 is the valve body structure schematic diagram of the utility model embodiment's Multifunctional switching valve;
Fig. 2 is the main TV structure schematic diagram of fixed valve plate of the utility model embodiment's Multifunctional switching valve;
Fig. 3 is the A-A sectional structure of the fixed valve plate of Fig. 2;
Fig. 4 is the backsight structural representation of fixed valve plate of the utility model embodiment's Multifunctional switching valve;
Fig. 5 is the main TV structure schematic diagram of moving valve plate of the utility model embodiment's Multifunctional switching valve;
Fig. 6 is the B-B sectional structure of the moving valve plate of Fig. 5;
Fig. 7 is the backsight structural representation of moving valve plate of the utility model embodiment's Multifunctional switching valve;
Fig. 8 shows under running state, the position of moving valve plate;
Fig. 9 shows under running state, the matching relationship of moving valve plate and fixed valve plate;
Figure 10 shows under water compensating state, the position of moving valve plate;
Figure 11 shows under water compensating state, the matching relationship of moving valve plate and fixed valve plate;
Figure 12 shows suction salt and washes slowly under state, the position of moving valve plate;
Figure 13 shows suction salt and washes slowly under state, the matching relationship of moving valve plate and fixed valve plate;
Figure 14 shows under backwash state, the position of moving valve plate;
Figure 15 shows under backwash state, the matching relationship of moving valve plate and fixed valve plate;
Figure 16 shows and just washes under state, the position of moving valve plate;
Figure 17 shows and just washes under state, the matching relationship of moving valve plate and fixed valve plate;
Figure 18 shows under running state, the working principle of Multifunctional switching valve;
Figure 19 shows under water compensating state, the working principle of Multifunctional switching valve;
Figure 20 shows suction salt and washes slowly under state, the working principle of Multifunctional switching valve;
Figure 21 shows under backwash state, the working principle of Multifunctional switching valve;
Figure 22 shows and just washes under state, the working principle of Multifunctional switching valve.
Drawing reference numeral explanation:
The bottom connection mouth 50 water intake 60 water outlet 70 drain pipe 25 resin container 250 filter core 26 water-dispensing device center tube 27 salt case 270 moisturizing runners 280 of 100 valve body 200 fixed valve plate 300 moving valve plate 40 valve bodies are inhaled salt path
1 water-guiding hole one 2 water-guiding hole 23 water-guiding hole 34 water-guiding hole 45 water-guiding hole 56 water-guiding holes six
7 water-guiding holes seven
9 fixed valve plate first through hole 10 fixed valve plate the second through hole 11 fixed valve plate third through-hole 12 fixed valve plate fourth hole 13 fixed valve plate fifth hole 14 fixed valve plates the 6th through hole 16 fixed valve plates the 7th through hole 161 blind hole 162 blind holes
17 moving valve plate first through hole 18 moving valve plate second through hole 19 moving valve plate third through-hole 20 moving valve plate first blind hole 21 moving valve plate fourth hole 22 moving valve plate fifth hole 23 moving valve plate the second blind hole 24 moving valve plates the 3rd blind holes
Embodiment
For technical characteristics of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing explanation the utility model.
The working principle of the Multifunctional switching valve that Figure 18 to Figure 22 shows the utility model embodiment under various working staties, as shown in Figure 18 to Figure 22, the utility model embodiment's Multifunctional switching valve, comprise that the valve body 100 that is provided with water intake 50 and water outlet 60 for example comprises resin container 25 with the filter element being fixedly connected with this valve body, in resin container 25, be provided with filter core 250, the water-dispensing device 26 of establishing in described filter element is connected with valve body 100, and described valve body 100 is also connected with medium container (being for example salt case 27).
As shown in Figure 1, valve body 100 is provided with a plurality of through holes, be respectively water-guiding hole 1, water-guiding hole 22, water-guiding hole 33, water-guiding hole 44, water-guiding hole 55, water-guiding hole 66 and water-guiding hole 77, wherein, the central position of the discoid fitting surface of water-guiding hole 33 in valve body 100, the week that each through hole of all the other valve bodies is distributed in the discoid fitting surface of valve body 100 makes progress and equates with the spacing of water-guiding hole 33.The spool of establishing in described valve body comprises moving valve plate 300 and the fixed valve plate 200 that a pair of end face is sealed and matched.
The annexation of each through hole in valve body is: water-guiding hole 1, for being communicated with resin container 25; Water-guiding hole 22, for being communicated with water-dispensing device 26; Water-guiding hole 33, for being communicated with drain pipe 70; Water-guiding hole 44, for being communicated with water outlet; Water-guiding hole 55, for being communicated with salt case 27; Water-guiding hole 66, is connected with described water-guiding hole 22; Water-guiding hole 77, and is communicated with between described water-guiding hole 55.Water-guiding hole 77, and be connected with fluidic device between described water-guiding hole 55.
Fig. 2, Fig. 3 and Fig. 4 show the structure of fixed valve plate.As shown in Figures 2 to 4, fixed valve plate 200 is discoid, be that secure fit is connected with valve body, which is provided with fixed valve plate the first through hole 9, fixed valve plate the second through hole 10, fixed valve plate third through-hole 11, fixed valve plate fourth hole 12, fixed valve plate fifth hole 13, fixed valve plate the 6th through hole 14 and fixed valve plate the 7th through hole 16.Wherein, hole centered by fixed valve plate fourth hole 12, all the other each holes are arcuate socket, each arcuate socket is distributed in the circumferential of fixed valve plate, for example, can equate with the radial distance of fixed valve plate fourth hole 12, to match with the moving valve plate of rotation, form different working staties.Respectively there is a ring blind hole both sides of fixed valve plate the 7th through hole 16, be distributed as blind hole 161 and blind hole 162, fixed valve plate the 7th through hole 16 and blind hole 161, blind hole 162 communicate, so that fixed valve plate the 7th through hole 16 matches with moving valve plate, the state that formation is communicated with the attachment hole of moving valve plate or the state of disconnection.
The annexation of fixed valve plate inside and fixed valve plate and valve body is: fixed valve plate the first through hole 9, is connected with described water-guiding hole 22; Fixed valve plate the second through hole 10, is connected with described water-guiding hole 44; Fixed valve plate third through-hole 11, is connected with described water-guiding hole 55; Fixed valve plate fourth hole 12, is connected with water-guiding hole 33; Fixed valve plate fifth hole 13, is connected with described water-guiding hole 66; Fixed valve plate the 6th through hole 14, is connected with described water-guiding hole 77; Fixed valve plate the 7th through hole 16, is connected with described water-guiding hole 1.
Fig. 5, Fig. 6 and Fig. 7 show the structure of moving valve plate, and as shown in Figures 5 to 7, moving valve plate 300 is discoid, can rotate relative to fixed valve plate, form the matching relationship of multiple diverse location with fixed valve plate.Moving valve plate 300 is provided with moving valve plate the first through hole 17, moving valve plate the second through hole 18, moving valve plate third through-hole 19, moving valve plate the first blind hole 20, moving valve plate fourth hole 21, moving valve plate fifth hole 22, moving valve plate the second blind hole 23 and moving valve plate the 3rd blind hole 24.Wherein, moving valve plate fourth hole 21 is circular center hole, all the other each through holes and blind hole are distributed in the periphery of moving valve plate fourth hole 21, between each through hole and blind hole, form multi-level around arranging that (each through hole of moving valve plate and blind hole are positioned at centered by moving valve plate fourth hole 21, on two or three turning radius, some holes are directly communicated with between two turning radius, for example, moving valve plate the first blind hole 20 and moving valve plate fifth hole 22), it is object that the shape of each through hole and blind hole and arrange be take connection or the break-make that can be formed on from each hole on fixed valve plate under different working staties.
As shown in Fig. 8, Fig. 9 and Figure 18, under running state, under the state of normal softening operation, described water intake 50 is connected with moving valve plate fifth hole 22, moving valve plate fifth hole 22 is communicated with fixed valve plate the 7th through hole 16, fixed valve plate the 7th through hole 16 is communicated with water-guiding hole 1, and water-guiding hole 1 is communicated with resin container 25; Water-dispensing device 26 is communicated with water-guiding hole 22, water-guiding hole 22 is communicated with fixed valve plate the first through hole 9, fixed valve plate the first through hole 9 is communicated with by moving valve plate third through-hole 19 and moving valve plate the first blind hole 20 with fixed valve plate the second through hole 10, fixed valve plate the second through hole 10 is connected with described water-guiding hole 44, water-guiding hole 44 is communicated with water outlet 60, and water outlet goes out soft water.Moisturizing runner 270 and suction salt path 280 are not all communicated with.
As Figure 10, shown in Figure 11 and Figure 19, under water compensating state, water intake 50 is communicated with moving valve plate fifth hole 22, moving valve plate fifth hole 22 is communicated with fixed valve plate the 7th through hole 16, fixed valve plate the 7th through hole 16 is communicated with resin container 25 by water-guiding hole 1, water-dispensing device 26 is communicated with water-guiding hole 22, water-guiding hole 22 is communicated with fixed valve plate the first through hole 9, fixed valve plate the first through hole 9, fixed valve plate the second through hole 10 and fixed valve plate third through-hole 11 are communicated with moving valve plate the first blind hole 20 by moving valve plate third through-hole 19, fixed valve plate the second through hole 10 is communicated with water-guiding hole 44, water outlet 60 goes out soft water, fixed valve plate third through-hole 11 is communicated with water-guiding hole 55, water-guiding hole 55 is communicated with salt case 27, salt case 27 fills into soft water.Moisturizing runner 270 is communicated with, and inhales salt path 280 and is not communicated with.
The utility model is under water compensating state, the water intake water inlet of water softening device, and the filtration of process filter element, from the softening operation of water outlet, from medium container, fill into soft water, like this, just overcome existing water softening device when the moisturizing of salt case, what fill into is former water, the problem of meeting residual higher hardness water in salt case.In addition, in moisturizing process, user can continue to use soft water.
As Figure 12, shown in Figure 13 and Figure 20, inhaling salt washes under state slowly, described water intake is connected with moving valve plate fifth hole 22, moving valve plate fifth hole 22 is communicated with fixed valve plate the 6th through hole 14, fixed valve plate the 6th through hole 14 is communicated with fixed valve plate third through-hole 11, and there is fluidic device on this path, can from salt case 27, inhale salt solution, flow into third through-hole 11, and fixed valve plate third through-hole 11 is communicated with by moving valve plate blind hole 23 with fixed valve plate the first through hole 9, fixed valve plate the first through hole 9 is communicated with water-guiding hole 22, water-guiding hole 22 is communicated with water-dispensing device 26, resin container 25 is communicated with water-guiding hole 1, water-guiding hole 1 is communicated with fixed valve plate the 7th through hole 16, fixed valve plate the 7th through hole 16 passes through moving valve plate the second through hole 18 with fixed valve plate fourth hole 12, moving valve plate fourth hole 21 and moving valve plate the 3rd blind hole 24 is communicated with, fixed valve plate fourth hole 12 is discharged waste water, water intake is communicated with moving valve plate the first through hole 17, moving valve plate the first through hole 17 is communicated with fixed valve plate the second through hole 10, fixed valve plate the second through hole 10 is connected with described water-guiding hole 44, water-guiding hole 44 is communicated with water outlet, from water outlet 60, go out Yuan Shui.Moisturizing runner 270 is communicated with, and salt solution enters resin container 25 from salt case 27, inhales salt path 280 and is communicated with, and inhales salt path 280 and from salt case 27, inhales salt solution by venturi (pipeline).Water flows through from inhaling salt path 280, because there is fluidic device, can suct the salt solution in salt case 27, after mixing, through moisturizing runner 270, flows into fixed valve plate third through-hole 11.
As shown in Figure 14, Figure 15 and Figure 21, under backwash state, described water intake is connected with moving valve plate fifth hole 22, moving valve plate fifth hole 22 is communicated with fixed valve plate fifth hole 13, fixed valve plate fifth hole 13 is communicated with water-guiding hole 66, water-guiding hole 66 is communicated with water-dispensing device 26, resin container 25 is communicated with water-guiding hole 1, water-guiding hole 1 is communicated with fixed valve plate the 7th through hole 16, fixed valve plate the 7th through hole 16 is communicated with by moving valve plate the second through hole 18, moving valve plate fourth hole 21 and moving valve plate the 3rd blind hole 24 with fixed valve plate fourth hole 12, and fixed valve plate fourth hole 12 is discharged waste water; Water intake is communicated with moving valve plate the first through hole 17, and moving valve plate the first through hole 17 is communicated with fixed valve plate the second through hole 10, and fixed valve plate the second through hole 10 is connected with described water-guiding hole 44, and water-guiding hole 44 is communicated with water outlet, from water outlet 60, goes out Yuan Shui.Moisturizing runner 270 and suction salt path 280 are not all communicated with.
As shown in Figure 16, Figure 17 and Figure 22, just washing under state, described water intake is connected with moving valve plate fifth hole 22, and moving valve plate fifth hole 22 is communicated with fixed valve plate the 7th through hole 16, fixed valve plate the 7th through hole 16 is communicated with water-guiding hole 1, and water-guiding hole 1 is communicated with resin container 25; Water-dispensing device 26 is communicated with water-guiding hole 22, water-guiding hole 22 is communicated with fixed valve plate the first through hole 9, fixed valve plate the first through hole 9 is communicated with by moving valve plate the second through hole 18, moving valve plate fourth hole 21 and moving valve plate the 3rd blind hole 24 with fixed valve plate fourth hole 12, and fixed valve plate fourth hole 12 is discharged waste water; Water intake is communicated with moving valve plate the first through hole 17, and moving valve plate the first through hole 17 is communicated with fixed valve plate the second through hole 10, and fixed valve plate the second through hole 10 is connected with described water-guiding hole 44, and water-guiding hole 44 is communicated with water outlet, from water outlet, goes out Yuan Shui.Moisturizing runner 270 and suction salt path 280 are not all communicated with.
The utility model rotates by moving valve plate, and the job order of Multifunctional switching valve is followed successively by: softening running state, water compensating state, suction salt are washed slowly state, backwash state and just washing state.
The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.For each constituent element of the present utility model can mutually combine under the condition of not conflicting; any those skilled in the art; do not depart from equivalent variations and the modification of having done under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.
Claims (6)
1. a Multifunctional switching valve, comprises the valve body and the filter element being fixedly connected with this valve body that are provided with water intake and water outlet, and the water-dispensing device of establishing in described filter element is connected with valve body, and described valve body is also connected with medium container, the spool of establishing in described valve body comprises moving valve plate and the fixed valve plate that a pair of end face is sealed and matched, described fixed valve plate has respectively and described filter element, water-dispensing device, water outlet, fixed valve plate the 7th through hole (16) with medium container connection, fixed valve plate the first through hole (9), fixed valve plate the second through hole (10), with fixed valve plate third through-hole (11), it is characterized in that: at water softening device during in water compensating state, described moving valve plate is communicated with described water intake and described fixed valve plate the 7th through hole, described moving valve plate is also communicated with described fixed valve plate the second through hole, fixed valve plate third through-hole, with fixed valve plate the first through hole.
2. Multifunctional switching valve as claimed in claim 1, it is characterized in that, on described valve body, be also provided be communicated with fixed valve plate the 7th through hole (16) and described filter element water-guiding hole one, be communicated with the water-guiding hole two of described water-dispensing device and described fixed valve plate the first through hole (9) and be communicated with described fixed valve plate third through-hole (11) and the water-guiding hole five of described medium container.
3. Multifunctional switching valve as claimed in claim 2, it is characterized in that, described moving valve plate comprises: moving valve plate the first through hole (17), moving valve plate the second through hole (18), moving valve plate third through-hole (19), moving valve plate the first blind hole (20), moving valve plate fourth hole (21), moving valve plate fifth hole (22), moving valve plate the second blind hole (23) and moving valve plate the 3rd blind hole (24);
Fixed valve plate second through hole (10) of described fixed valve plate the first through hole (9), described fixed valve plate and fixed valve plate third through-hole (11) are interconnected by described moving valve plate third through-hole (19) and moving valve plate the first blind hole (20).
4. Multifunctional switching valve as claimed in claim 2, it is characterized in that, under water compensating state, described water intake is communicated with moving valve plate fifth hole (22) and fixed valve plate the 7th through hole (16), and described water intake is also communicated with described filter element by water-guiding hole one; Described water-dispensing device (26) is communicated with water-guiding hole two, and described water-guiding hole two is communicated with water outlet, the softening operation of described water outlet, and the third through-hole of described fixed valve plate (11) is by water-guiding hole tee joint medium container, and described medium container fills into soft water.
5. the Multifunctional switching valve as described in claim 1 to 4 any one, is characterized in that, described filter element comprises resin container.
6. Multifunctional switching valve as claimed in claim 5, is characterized in that, described medium container is salt case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427010.9U CN203963122U (en) | 2014-07-30 | 2014-07-30 | Multifunctional switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427010.9U CN203963122U (en) | 2014-07-30 | 2014-07-30 | Multifunctional switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963122U true CN203963122U (en) | 2014-11-26 |
Family
ID=51923704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420427010.9U Expired - Lifetime CN203963122U (en) | 2014-07-30 | 2014-07-30 | Multifunctional switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203963122U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366758A (en) * | 2016-05-13 | 2017-11-21 | 青岛经济技术开发区海尔热水器有限公司 | Water-break and back-flushing valve and filter |
| CN113404923A (en) * | 2021-05-08 | 2021-09-17 | 中车太原机车车辆有限公司 | Operating valve for opening and closing bottom door of stone ballast hopper car |
-
2014
- 2014-07-30 CN CN201420427010.9U patent/CN203963122U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366758A (en) * | 2016-05-13 | 2017-11-21 | 青岛经济技术开发区海尔热水器有限公司 | Water-break and back-flushing valve and filter |
| CN107366758B (en) * | 2016-05-13 | 2019-08-06 | 青岛经济技术开发区海尔热水器有限公司 | A water cutoff and backwash valve and filter |
| CN113404923A (en) * | 2021-05-08 | 2021-09-17 | 中车太原机车车辆有限公司 | Operating valve for opening and closing bottom door of stone ballast hopper car |
| CN113404923B (en) * | 2021-05-08 | 2022-12-16 | 中车太原机车车辆有限公司 | Operating valve for opening and closing bottom door of stone ballast hopper car |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |
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| CX01 | Expiry of patent term |