CN104676045A - Water medium two-position three-way reversing valve - Google Patents
Water medium two-position three-way reversing valve Download PDFInfo
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- CN104676045A CN104676045A CN201510106612.3A CN201510106612A CN104676045A CN 104676045 A CN104676045 A CN 104676045A CN 201510106612 A CN201510106612 A CN 201510106612A CN 104676045 A CN104676045 A CN 104676045A
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- water outlet
- sheath
- valve body
- corrosion
- lining
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/0655—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with flat slides
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a water medium two-position three-way reversing valve. The water medium two-position three-way reversing valve comprises a valve body and a valve core, wherein a left jacket and a right jacket are fixed on the left and right sides of the valve body; a corrosion-resistant lining is arranged between the valve body and the valve core; the left jacket is connected with a position adjusting and positioning device of which the right end is pressed against the rightmost end of the corrosion-resistant lining; the valve core is connected with a reversing driving mechanism; the outer wall of the valve core is provided with a valve core ring groove; the outer walls of the valve body and the corrosion-resistant lining are provided with first water outlets and second water outlets; the outer walls of the valve body and the corrosion-resistant lining are provided with a third water outlet; the length of the valve core ring groove corresponds to the axial distances between the first water outlets and the second water outlets and the third water outlet; the first water outlets are connected with a first executing mechanism; the second water outlets are communicated with a second executing mechanism; the third water outlet is connected with a power pump. The water medium two-position three-way reversing valve is simple in structure, a high-pressure water medium can be frequently supplied to the two executing mechanisms smoothly at intervals, the cost and resources are effectively saved, and the valve core can move leftwards and rightwards smoothly.
Description
Technical field
The present invention relates to a kind of selector valve, particularly relating to a kind of take water as the aqueous medium two-bit triplet selector valve of the hydraulic system of power fluid.
Background technique
At present, at some special operation condition, needing take water as the hydraulic system of power fluid.Such as, in oil extraction in oil field production process, hydraulic drive rodless pumping operation equipment, due in underground hydraulic pressure cylinder working process, power fluid is constantly missed, and for cost-saving, needs to take water as power fluid.But in the working procedure of reality, be all generally that high-pressure water pump supplies water to an actuator, if Liang Ge mechanism needs with water, need to configure separately another high-pressure water pump, cost is high, and honor causes the wasting of resources.
Summary of the invention
The present invention completes to solve deficiency of the prior art, the object of this invention is to provide a kind of structure simple, can frequently without barrier interval provide high pressure water medium to two execution architectures, effectively cost-saving, saving resource and spool side-to-side movement clog-free aqueous medium two-bit triplet selector valve.
A kind of aqueous medium two-bit triplet selector valve of the present invention, comprise valve body and the spool from described valve body central authorities hermetically passing, the left and right sides of described valve body respectively removable seal is fixed with left sheath and right sheath, corrosion-resistant lining is provided with between described valve interior wall and described spool, described left sheath left part is connected with position regulation positioning device, described position regulation positioning device right-hand member and corrosion-resistant lining low order end offset, described spool low order end is connected with unidirectional driving mechanism, described spool outer wall is provided with spool annular groove, on described valve body and described corrosion-resistant liner outer wall side, position is provided with the first water outlet and the second water outlet accordingly from left to right respectively, described valve body with on the described relative side of corrosion-resistant liner outer wall respectively position be provided with the 3rd water outlet accordingly, described spool annular groove length and axial distance between the first water outlet and the 3rd water outlet and between the second water outlet and the 3rd water outlet axial distance corresponding, described first water outlet is connected with the first actuator, described second water outlet is communicated with the second actuator, described 3rd water outlet is connected with kinetic pump.
A kind of aqueous medium two-bit triplet selector valve of the present invention can also be:
Described position regulation positioning device comprises lining positioning ring and position regulating device, described lining positioning ring low order end and described corrosion-resistant lining high order end offset, described position regulation positioning device and described left sheath being removable are tightly connected, and described lining positioning ring low order end and described position regulating device offset.
Described position regulating device is lining gland nut, and described lining gland nut is threaded with described left sheath.
Described left sheath and described right sheath are respectively arranged with left oiling one-way valve and right oiling one-way valve, described in make left oiling one-way valve and the described bottom by oiling one-way valve respectively with described left sheath and the described inner space having sheath.
Described left sheath and described right sheath are respectively arranged with leak dehydration mouth and the right side, a left side to leak dehydration mouth.
Described left sheath, described right sheath and described valve body overlap stud by least three and set screw nut is detachably fixed, described stud is each passed through described left sheath, described valve body and described right sheath from left to right, and described set screw nut is threadedly connected to the two ends of described stud.
Be provided with at least two seal rings between described corrosion-resistant liner outer wall and described valve interior wall, described seal ring is at least arranged at described valve body two ends.
Described left sheath and be provided with seal ring between described right sheath and described corrosion-resistant liner outer wall, side and the described valve body of described seal ring offset.
The pressure tap for detecting valve body internal pressure is provided with between described first mouth of a river and described second mouth of a river.
A kind of aqueous medium two-bit triplet selector valve of the present invention, comprise valve body and the spool from described valve body central authorities hermetically passing, the left and right sides of described valve body respectively removable seal is fixed with left sheath and right sheath, corrosion-resistant lining is provided with between described valve interior wall and described spool, described left sheath left part is connected with position regulation positioning device, described position regulation positioning device right-hand member and corrosion-resistant lining low order end offset, described spool low order end is connected with unidirectional driving mechanism, described spool outer wall is provided with spool annular groove, on described valve body and described corrosion-resistant liner outer wall side, position is provided with the first water outlet and the second water outlet accordingly from left to right respectively, described valve body with on the described relative side of corrosion-resistant liner outer wall respectively position be provided with the 3rd water outlet accordingly, described spool annular groove length and axial distance between the first water outlet and the 3rd water outlet and between the second water outlet and the 3rd water outlet axial distance corresponding, described first water outlet is connected with the first actuator, described second water outlet is communicated with the second actuator, described 3rd water outlet is connected with kinetic pump.During such use, the position of corrosion-resistant lining in valve body is adjusted by position regulation positioning device, make the first water outlet on corrosion-resistant lining, the second water outlet and the 3rd water outlet respectively with on the first water outlet on valve body, the second water outlet and the 3rd water outlet one_to_one corresponding, facilitate follow-up contraposition.Then starting unidirectional driving mechanism drives spool to be moved to the left, after valve core movement puts in place, the Far Left of spool annular groove is just connected with the 3rd water outlet with the first water outlet with rightmost, form the first exhalant canal, high-pressure medium water in the 3rd water outlet that guarantee is connected with kinetic pump can enter the first actuator from the first water outlet and supply water to the first actuator, unidirectional driving mechanism drives spool to move right afterwards, the space of the first water outlet and the 3rd water outlet diminishes, and first water outlet by spool closed front, therefore the first actuator cuts off the water supply.Continue to move right, until the second water outlet is all communicated with spool annular groove with the 3rd water outlet, such formation second exhalant canal, high-pressure medium water in the 3rd water outlet that guarantee is connected with kinetic pump can enter the second actuator from the second water outlet and supply water to the second actuator, then starting unidirectional driving mechanism drives spool to be moved to the left, enter the state that the first actuator is supplied water again, like this under the driving effect of unidirectional driving mechanism, frequently can change without barrier and the first actuator or the second actuator are supplied water.Realize commutation water supply accessibility, provide cost savings simultaneously, because do not need again extra preparation kinetic pump and pipeline separately, effective saving resource.The advantage had in terms of existing technologies is: structure is simple, can frequently without barrier interval provide high pressure water medium to two execution architectures, effectively cost-saving, saving resource and spool side-to-side movement clog-free.
Accompanying drawing explanation
Fig. 1 aqueous medium two-bit triplet of the present invention reversing valve embodiment plan view.
A-A sectional view in Fig. 2 aqueous medium two-bit triplet of the present invention reversing valve embodiment Fig. 1.
The left commutation of Fig. 3 aqueous medium of the present invention two-bit triplet reversing valve embodiment laterally partly cuts open figure.
The right commutation of Fig. 4 aqueous medium of the present invention two-bit triplet reversing valve embodiment laterally partly cuts open figure.
Fig. 5 aqueous medium two-bit triplet of the present invention reversing valve embodiment application schematic diagram.
Fig. 6 aqueous medium two-bit triplet of the present invention reversing valve embodiment Another Application schematic diagram.
Figure number explanation
1 ... spool 2 ... right sheath 3 ... right oiling one-way valve
4 ... corrosion-resistant lining 5 ... valve body 6 ... left sheath
7 ... left oiling one-way valve 8 ... lining positioning ring 9 ... lining gland nut
10 ... left shoe cream room 11 ... right shoe cream room 12 ... first water outlet
13 ... second water outlet 14 ... 3rd water outlet 15 ... pressure tap
16 ... left leakage water out 17 ... right leakage water out 18 ... stud
19 ... set screw nut 20 ... seal ring 21 ... spool annular groove
22 ... first actuator 23 ... second actuator 24 ... kinetic pump
25 ... unidirectional driving mechanism
Embodiment
Fig. 1 to Fig. 6 below in conjunction with accompanying drawing is described in further detail a kind of aqueous medium two-bit triplet selector valve of the present invention.
A kind of aqueous medium two-bit triplet selector valve of the present invention, please refer to Fig. 1 to Fig. 6, comprise valve body 5 and the spool 1 from the central hermetically passing of described valve body 5, the left and right sides of described valve body 5 respectively removable seal is fixed with left sheath 6 and right sheath 2, corrosion-resistant lining 4 is provided with between described valve body 5 inwall and described spool 1, described left sheath 6 left part is connected with position regulation positioning device, described position regulation positioning device right-hand member and corrosion-resistant lining 4 low order end offset, described spool 1 low order end is connected with unidirectional driving mechanism 25, described spool 1 outer wall is provided with spool annular groove 21, on described valve body 5 and described corrosion-resistant lining 4 outer wall side, position is provided with the first water outlet 12 and the second water outlet 13 accordingly from left to right respectively, described valve body 5 with on the relative side of described corrosion-resistant lining 4 outer wall respectively position be provided with the 3rd water outlet 14 accordingly, described spool annular groove 21 length and axial distance between the first water outlet 12 and the 3rd water outlet 14 and between the second water outlet 13 and the 3rd water outlet 14 axial distance corresponding, described first water outlet 12 is connected with the first actuator 22, described second water outlet 13 is communicated with the second actuator 23, described 3rd water outlet 14 is connected with kinetic pump 4.During such use, the corrosion-resistant position of lining 4 in valve body 5 is adjusted by position regulation positioning device, make the first water outlet 12, second water outlet 13 on corrosion-resistant lining 4 and the 3rd water outlet 14 respectively with on the first water outlet 12, second water outlet 13 on valve body 5 and the 3rd water outlet 14 one_to_one corresponding, facilitate follow-up contraposition.Then starting unidirectional driving mechanism 25 drives spool 1 to be moved to the left, after spool 1 motion puts in place, the Far Left of spool annular groove 21 is just connected with the 3rd water outlet 14 with the first water outlet 12 with rightmost, form the first exhalant canal, high-pressure medium water in the 3rd water outlet 14 that guarantee is connected with kinetic pump 4 can enter the first actuator 22 from the first water outlet 12 and supply water to the first actuator 22, unidirectional driving mechanism 25 drives spool 1 to move right afterwards, the space of the first water outlet 12 and the 3rd water outlet 14 diminishes, and first water outlet 12 by spool 1 closed front, therefore the first actuator 22 cuts off the water supply.Continue to move right, until the second water outlet 13 is all communicated with spool annular groove 21 with the 3rd water outlet 14, such formation second exhalant canal, high-pressure medium water in the 3rd water outlet 14 that guarantee is connected with kinetic pump 4 can enter the second actuator 23 from the second water outlet 13 and supply water to the second actuator 23, then starting unidirectional driving mechanism 25 drives spool 1 to be moved to the left, enter the state that the first actuator 22 is supplied water again, like this under the driving effect of unidirectional driving mechanism 25, frequently can change without barrier and the first actuator 22 or the second actuator 23 are supplied water.Realize commutation water supply accessibility, provide cost savings simultaneously, because do not need again extra preparation kinetic pump 4 and pipeline separately, effective saving resource.The advantage had in terms of existing technologies is: structure is simple, can frequently without barrier interval provide high pressure water medium to two execution architectures, effectively cost-saving, saving resource and spool 1 side-to-side movement clog-free.
A kind of aqueous medium two-bit triplet selector valve of the present invention, please refer to Fig. 1 to Fig. 6, the basis of previously described technological scheme can also be: described position regulation positioning device comprises lining positioning ring 8 and position regulating device, described lining positioning ring 8 low order end and described corrosion-resistant lining 4 high order end offset, described position regulation positioning device is connected with described left sheath 6 removable seal, and described lining positioning ring 8 low order end and described position regulating device offset.Like this, lining positioning ring 8 and corrosion-resistant lining 4 high order end offset, namely by lining positioning ring 8, corrosion-resistant lining 4 is located, make the first water outlet 12, second water outlet 13 on corrosion-resistant lining 4 and the 3rd water outlet 14 respectively with on the first water outlet 12, second water outlet 13 on valve body 5 and the 3rd water outlet 14 one_to_one corresponding.Position regulating device then for regulating the position of lining positioning ring 8, and then adjusts the position of corrosion-resistant lining 4, facilitates contraposition and commutation backward different actuator supply aqueous medium.Preferred technological scheme is described position regulating device is further lining gland nut 9, and described lining gland nut 9 is threaded with described left sheath 6.Like this, when lining positioning ring 8 position keep left or keep right depart from valve body 5 time, clockwise or be rotated counterclockwise lining gland nut 9, make the connection distance of lining gland nut 9 and described left sheath 6 from or close, because left sheath 6 and valve body 5 are fixed, therefore, make lining positioning ring 8 move to valve body 5 or move away from valve body 5, and then realize the adjustment to corrosion-resistant lining 4.
A kind of aqueous medium two-bit triplet selector valve of the present invention, please refer to Fig. 1 to Fig. 6, the basis of previously described technological scheme can also be: described left sheath 6 and described right sheath 2 are respectively arranged with left oiling one-way valve 7 and right oiling one-way valve 3, described in make left oiling one-way valve 7 and the described bottom by oiling one-way valve respectively with described left sheath 6 and the described inner space having sheath.When unidirectional driving mechanism 25 is with movable valve plug 1 bilateral reciprocation commutation work, bottom the right shoe cream room 11 formed bottom right oiling one-way valve 3 and between right sheath 2, left oiling one-way valve 7 and form left shoe cream room 10 between left sheath 6, lubricating oil viscosity in left shoe cream room 10 and right shoe cream room 11 is attached to spool 1 surface, realize oil lubrication, reach wear-resistant, the effect that the life-span is long.Certain right oiling one-way valve 3 and left oiling one-way valve 7, during for maintaining at ordinary times, lubricant oil is injected in regular shoe cream room 11 to the right and left shoe cream room 10, reach wear-resisting and life-saving effect, because lubricant oil density ratio water is little, therefore, in right shoe cream room 11, left shoe cream room 10, lubricant oil floats on the portion waterborne that spool 1 leaks out with the very little axis hole gap of corrosion-resistant lining 4.Can also be described left sheath 6 and described right sheath 2 are respectively arranged with leak dehydration mouth and the right side, a left side to leak dehydration mouth.Due to aqueous medium two-bit triplet selector valve, by the very little axis hole gap of spool 1 with corrosion-resistant lining 4, realize sealing, must there be certain seepage at corrosion-resistant lining 4 two ends.Percolating water, by left leakage water out 16, right leakage water out 17, is got back to power fluid water tank saving resource and avoids interior leakage.
A kind of aqueous medium two-bit triplet selector valve of the present invention, please refer to Fig. 1 to Fig. 6, the basis of previously described technological scheme can also be: described left sheath 6, described right sheath 2 and described valve body 5 overlap stud 18 by least three and set screw nut 19 is detachably fixed, described stud 18 is each passed through described left sheath 6, described valve body 5 and described right sheath 2 from left to right, and described set screw nut 19 is threadedly connected to the two ends of described stud 18.Can left sheath 6 and right sheath 2 be fixed on valve body 5 firmly like this, ensure that the first water outlet 12, second water outlet 13 on valve body 5 and corrosion-resistant lining 4 and the 3rd water outlet 14 and spool annular groove 21 contraposition are accurate, supply water to Liang Ge actuator easily and efficiently.Can also be provided with at least two seal rings 20 between described corrosion-resistant lining 4 outer wall and described valve body 5 inwall, described seal ring 20 be at least arranged at described valve body 5 two ends.Can ensure that the sealing between corrosion-resistant lining 4 and valve body 5 is relatively good like this, avoid occurring that aqueous medium enters the situation in valve body 5.Can also be described left sheath 6 and be provided with seal ring 20 between described right sheath 2 and described corrosion-resistant lining 4 outer wall, side and the described valve body 5 of described seal ring 20 offset.Left sheath 6 and right sheath 2 and the connection between valve body 5 and corrosion-resistant lining 4 three can be realized like this be and be tightly connected.It can also be the pressure tap 15 be provided with between described first mouth of a river and described second mouth of a river for detecting valve body 5 internal pressure.Pressure tap 15 is convenient for measuring the pressure in valve body 5, avoids dangerous operation.
Above-mentionedly only several specific embodiments in the present invention to be illustrated; but can not as protection scope of the present invention; every according to the change of the equivalence done by design spirit in the present invention or to modify or equal proportion zooms in or out, all should think and fall into protection scope of the present invention.
Claims (9)
1. an aqueous medium two-bit triplet selector valve, it is characterized in that: comprise valve body and the spool from described valve body central authorities hermetically passing, the left and right sides of described valve body respectively removable seal is fixed with left sheath and right sheath, corrosion-resistant lining is provided with between described valve interior wall and described spool, described left sheath left part is connected with position regulation positioning device, described position regulation positioning device right-hand member and corrosion-resistant lining low order end offset, described spool low order end is connected with unidirectional driving mechanism, described spool outer wall is provided with spool annular groove, on described valve body and described corrosion-resistant liner outer wall side, position is provided with the first water outlet and the second water outlet accordingly from left to right respectively, described valve body with on the described relative side of corrosion-resistant liner outer wall respectively position be provided with the 3rd water outlet accordingly, described spool annular groove length and axial distance between the first water outlet and the 3rd water outlet and between the second water outlet and the 3rd water outlet axial distance corresponding, described first water outlet is connected with the first actuator, described second water outlet is communicated with the second actuator, described 3rd water outlet is connected with kinetic pump.
2. a kind of aqueous medium two-bit triplet selector valve according to claim 1, it is characterized in that: described position regulation positioning device comprises lining positioning ring and position regulating device, described lining positioning ring low order end and described corrosion-resistant lining high order end offset, described position regulation positioning device and described left sheath being removable are tightly connected, and described lining positioning ring low order end and described position regulating device offset.
3. a kind of aqueous medium two-bit triplet selector valve according to claim 2, it is characterized in that: described position regulating device is lining gland nut, described lining gland nut is threaded with described left sheath.
4. a kind of aqueous medium two-bit triplet selector valve according to claim 1 or 2 or 3, it is characterized in that: described left sheath and described right sheath are respectively arranged with left oiling one-way valve and right oiling one-way valve, described in make left oiling one-way valve and the described bottom by oiling one-way valve respectively with described left sheath and the described inner space having sheath.
5. a kind of aqueous medium two-bit triplet selector valve according to claim 1 or 2 or 3, is characterized in that: described left sheath and described right sheath are respectively arranged with leak dehydration mouth and the right side, a left side and leak dehydration mouth.
6. a kind of aqueous medium two-bit triplet selector valve according to claim 1 or 2 or 3, it is characterized in that: described left sheath, described right sheath and described valve body overlap stud by least three and set screw nut is detachably fixed, described stud is each passed through described left sheath, described valve body and described right sheath from left to right, and described set screw nut is threadedly connected to the two ends of described stud.
7. a kind of aqueous medium two-bit triplet selector valve according to claim 1 or 2 or 3, it is characterized in that: be provided with at least two seal rings between described corrosion-resistant liner outer wall and described valve interior wall, described seal ring is at least arranged at described valve body two ends.
8. a kind of aqueous medium two-bit triplet selector valve according to claim 1 or 2 or 3, is characterized in that: described left sheath and be provided with seal ring between described right sheath and described corrosion-resistant liner outer wall, and side and the described valve body of described seal ring offset.
9. a kind of aqueous medium two-bit triplet selector valve according to claim 1 or 2 or 3, is characterized in that: be provided with the pressure tap for detecting valve body internal pressure between described first mouth of a river and described second mouth of a river.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510106612.3A CN104676045B (en) | 2015-03-11 | 2015-03-11 | A kind of aqueous medium two-bit triplet reversal valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510106612.3A CN104676045B (en) | 2015-03-11 | 2015-03-11 | A kind of aqueous medium two-bit triplet reversal valve |
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| Publication Number | Publication Date |
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| CN104676045A true CN104676045A (en) | 2015-06-03 |
| CN104676045B CN104676045B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510106612.3A Active CN104676045B (en) | 2015-03-11 | 2015-03-11 | A kind of aqueous medium two-bit triplet reversal valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099188A (en) * | 2018-10-03 | 2018-12-28 | 盐城欧润石化设备制造有限公司 | A kind of two-bit triplet valve |
| CN111981735A (en) * | 2019-05-24 | 2020-11-24 | 青岛海尔电冰箱有限公司 | Ice water distribution device and refrigerator with same |
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| US3246665A (en) * | 1963-04-24 | 1966-04-19 | Fessler Machine Company | Lubricated three way fluid valve |
| CN1167885A (en) * | 1996-04-15 | 1997-12-17 | 新苏舍柴油机有限公司 | Electromagnetic valve |
| CN202252115U (en) * | 2011-09-28 | 2012-05-30 | 渑池乾元过滤设备有限公司 | Three-way changeover valve device |
| CN203442213U (en) * | 2013-07-30 | 2014-02-19 | 毛孟其 | Two-position three-way button valve |
| CN203836279U (en) * | 2014-03-19 | 2014-09-17 | 徐工集团工程机械股份有限公司 | Built-in pressure reducing valve |
| CN204828778U (en) * | 2015-03-11 | 2015-12-02 | 北京双良石油技术有限公司 | Two tee bend switching -over valves of aqueous medium |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3246665A (en) * | 1963-04-24 | 1966-04-19 | Fessler Machine Company | Lubricated three way fluid valve |
| CN1167885A (en) * | 1996-04-15 | 1997-12-17 | 新苏舍柴油机有限公司 | Electromagnetic valve |
| CN202252115U (en) * | 2011-09-28 | 2012-05-30 | 渑池乾元过滤设备有限公司 | Three-way changeover valve device |
| CN203442213U (en) * | 2013-07-30 | 2014-02-19 | 毛孟其 | Two-position three-way button valve |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099188A (en) * | 2018-10-03 | 2018-12-28 | 盐城欧润石化设备制造有限公司 | A kind of two-bit triplet valve |
| CN109099188B (en) * | 2018-10-03 | 2020-05-15 | 盐城欧润石化设备制造有限公司 | Two-position three-way valve |
| CN111981735A (en) * | 2019-05-24 | 2020-11-24 | 青岛海尔电冰箱有限公司 | Ice water distribution device and refrigerator with same |
| CN111981735B (en) * | 2019-05-24 | 2022-09-23 | 青岛海尔电冰箱有限公司 | Ice water distribution device and refrigerator with same |
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| CN104676045B (en) | 2017-03-15 |
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Effective date of registration: 20161101 Address after: 100176 Beijing economic and Technological Development Zone, Daxing District Hongda Road, No. 2, layer 16, layer Applicant after: BEIJING PETRODAMO ENGINEERING TECHNOLOGY CO., LTD. Address before: 100095 Beijing city Haidian District P.Tricuspidata Road No. 9 Building No. 6 hospital Applicant before: Beijing Shuan Liang Petrotechnik Ltd. |
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