CN105257867A - Novel three-way plug valve - Google Patents
Novel three-way plug valve Download PDFInfo
- Publication number
- CN105257867A CN105257867A CN201510826341.9A CN201510826341A CN105257867A CN 105257867 A CN105257867 A CN 105257867A CN 201510826341 A CN201510826341 A CN 201510826341A CN 105257867 A CN105257867 A CN 105257867A
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- Prior art keywords
- sealing gasket
- valve
- transition
- passage
- transition plate
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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
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a novel three-way plug valve. The novel three-way plug valve comprises a valve body, a valve rod, a handle, a valve cover and a valve plug, wherein a sealing cavity is also formed in the valve body and is communicated with the valve rod; a sealing gasket assembly is arranged in the sealing cavity and is fixed by the valve cover; the sealing gasket assembly comprises a first sealing gasket, a second sealing gasket, a third sealing gasket and a fourth sealing gasket; a first transition channel and a second transition channel are formed in the valve plug; a circle of first transition plates, a circle of second transition plates and a circle of third transition plates are arranged from outside to inside of the first transition channel; a circle of fourth transition plates, a circle of fifth transition plates and a circle of sixth transition plates are arranged from outside to inside of the second transition channel; the third transition plates are connected with the sixth transition plates through seventh transition plates. The novel three-way plug valve is excellent in sealing performance and high in stability, and is relatively safe and reliable; the service life is prolonged; the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of three-way valve, particularly a kind of novel three-way stopcock.
Background technique
Stopcock is the rotary valve of closure member or plunger shape, by 90-degree rotation, the passway on valve plug is communicated with the passway on valve body or separates, and realizes a kind of valve opened or close.The shape of the valve plug of stopcock can become cylindrical or conical.In cylindrical valve plug, passage is generally orthogonal; And in cone-shaped valve plug, passage in echelon.What these shapes made stopcock becomes light and handy in particular to a kind of structure, but also creates certain loss simultaneously.Stopcock is most suitable for as cut-out and connects medium and shunting is suitable for, but according to the character be suitable for and the abrasion-resistance of sealing surface, sometimes also can be used for throttling.Owing to moving with wiping action between stopcock sealing surface, and the contact with flowing medium can be prevented completely when standard-sized sheet, therefore it also can be used for the medium with suspended particulate usually.During another key property of stopcock, it is easy to adapt to multi-channel structure, so that a valve can obtain two, three, even four different runners.The design of pipe-line system can be simplified like this, reduce some connection fittings needed in valve consumption and equipment.The working life of existing threeway plug valve is low, poor sealing performance, needs to change frequently, extremely bothers.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of novel three-way stopcock, good airproof performance, and stability is high, adds working life, improves working efficiency, more safe and reliable.
For solving the problems of the technologies described above, technological scheme of the present invention is:
A kind of novel three-way stopcock, comprise valve body, valve rod, handle, valve gap and valve plug, described valve body is provided with first passage, second channel, third channel and valve stem passage, described first passage, second channel, third channel is connected with valve stem passage, first passage, second channel, the joint of third channel and valve stem passage is provided with valve plug lock chamber, valve plug is rotatable to be arranged in valve plug lock chamber, valve rod is through valve stem passage, one end and valve plug are fixed, the other end and handle fix, valve body is also provided with Seal cage, Seal cage is connected with valve stem passage, sealing gasket group is provided with in described Seal cage, sealing gasket group is fixed by valve gap, described sealing gasket group comprises the first sealing gasket, second sealing gasket, 3rd sealing gasket and the 4th sealing gasket, first sealing gasket and the 3rd sealing gasket lay respectively at two end faces up and down of the second sealing gasket, the lower surface of the first sealing gasket is provided with the first fixed groove of some trapezoid body structures, 3rd sealing gasket upper surface is provided with the second fixed groove of some trapezoid body structures, second sealing gasket upper surface and lower surface are respectively equipped with some first fixed lobes, first fixed lobe and the first fixed groove, second fixed groove interference fit, first sealing gasket, second sealing gasket, the superimposed setting of 3rd sealing gasket, described 4th sealing gasket is fixed on the first sealing gasket, second sealing gasket, 3rd sealing gasket inwall, the 4th sealing gasket inwall Formation cross-section that caves inward is the first lock chamber of arc-shaped structure, the second fixed lobe interference fit that first lock chamber and valve rod are provided with,
Described valve plug is provided with First Transition passage and the second transition passage, First Transition passage is arranged with the second transition passage is mutually vertical, described First Transition passage is from being provided with a circle First Transition plate outside to inside, one circle the second transition plate and circle the 3rd transition plate, described second transition passage is from being provided with a circle the 4th transition plate outside to inside, 5th transition plate and the 6th transition plate, be connected by the 7th transition plate between 3rd transition plate with the 6th transition plate, described First Transition, the angle a of the 4th transition plate and vertical direction is 50-55 °, the angle b of described second transition plate and the 5th transition plate and vertical direction is 70-80 °, the cross section of described 3rd transition plate and the 6th transition plate is the arc-shaped structure of outwardly convex, the angle b of five transition plates and vertical direction is 70-80 °, the central angle c of the arc-shaped structure that described cross section is is 35-45 °.
Above-mentioned a kind of novel three-way stopcock, wherein, is provided with circle spray fluoroplastic in described valve plug lock chamber.
Beneficial effect of the present invention is:
1. the present invention is provided with sealing gasket group in Seal cage, and the vibrational power flow of sealing gasket group, fully ensure that sealability, more safe and reliable, and wherein, the second fixed lobe interference fit of the 5th sealing gasket and valve rod, further increases sealability, avoid leakage;
2. the setting of each transition plate in valve plug, the angle that both can have been formed by each transition plate itself causes a buffer function to by the liquid in valve body, liquid is avoided directly to impact the pipeline be connected with ball valve, reduce pressure, secondary buffer can be carried out by the cavity that formed of each transition plate of passage and spheroid itself again, the pressure further slowed down, more safe and reliable.
3. good airproof performance of the present invention, stability is high, adds working life, improves working efficiency, more safe and reliable.
Accompanying drawing explanation
Fig. 1 is sectional view of the present invention.
Fig. 2 is plan view of the present invention.
Fig. 3 is sealing gasket group sectional view of the present invention.
Fig. 4 is valve plug transverse sectional view of the present invention.
Embodiment
A kind of novel three-way stopcock as shown in the figure, comprise valve body 1, valve rod 2, handle 3, valve gap 4 and valve plug 5, described valve body 1 is provided with first passage 6, second channel 7, third channel 8 and valve stem passage 9, described first passage 6, second channel 7, third channel 8 is connected with valve stem passage 9, first passage 6, second channel 7, the joint of third channel 8 and valve stem passage 9 is provided with valve plug lock chamber 10, valve plug 5 is rotatable to be arranged in valve plug lock chamber 10, circle spray fluoroplastic 11 are provided with in described valve plug lock chamber 10, valve rod 2 is through valve stem passage 9, one end and valve plug 5 are fixed, the other end and handle 3 fix, valve body 1 is also provided with Seal cage 12, Seal cage 12 is connected with valve stem passage 9, sealing gasket group 13 is provided with in described Seal cage 12, sealing gasket group 13 is fixed by valve gap 4, described sealing gasket group 13 comprises the first sealing gasket 14, second sealing gasket 15, 3rd sealing gasket 16 and the 4th sealing gasket 17, two end faces up and down that first sealing gasket 14 and the 3rd sealing gasket divide 16 not to be positioned at the second sealing gasket 15, the lower surface of the first sealing gasket 14 is provided with the first fixed groove 18 of some trapezoid body structures, 3rd sealing gasket 16 upper surface is provided with the second fixed groove 19 of some trapezoid body structures, second sealing gasket 15 upper surface and lower surface are respectively equipped with some first fixed lobes 20, first fixed lobe 20 and the first fixed groove 18, second fixed groove 19 interference fit, first sealing gasket 14, second sealing gasket 15, the superimposed setting of 3rd sealing gasket 16, described 4th sealing gasket 17 is fixed on the first sealing gasket 14, second sealing gasket 15, 3rd sealing gasket 16 inwall, the 4th sealing gasket 17 inwall Formation cross-section that caves inward is the first lock chamber 21 of arc-shaped structure, the second fixed lobe 22 interference fit that first lock chamber 21 is provided with valve rod,
Described valve plug 5 is provided with First Transition passage 23 and the second transition passage 24, First Transition passage 23 is arranged with the second transition passage 24 is mutually vertical, described First Transition passage 23 is from being provided with a circle First Transition plate 25 outside to inside, one circle second transition plate 26 and circle the 3rd transition plate 27, described second transition passage 24 is from being provided with a circle the 4th transition plate 28 outside to inside, 5th transition plate 29 and the 6th transition plate 30, be connected by the 7th transition plate 31 between 3rd transition plate with the 6th transition plate, described First Transition, the angle a of the 4th transition plate and vertical direction is 50-55 °, the angle b of described second transition plate and the 5th transition plate and vertical direction is 70-80 °, the cross section of described 3rd transition plate and the 6th transition plate is the arc-shaped structure of outwardly convex, the angle b of five transition plates and vertical direction is 70-80 °, the central angle c of the arc-shaped structure that described cross section is is 35-45 °.
The present invention is provided with sealing gasket group in Seal cage, and the vibrational power flow of sealing gasket group, fully ensure that sealability, more safe and reliable, and wherein, the second fixed lobe interference fit of the 5th sealing gasket and valve rod, further increases sealability, avoid leakage;
The setting of each transition plate in valve plug, the angle that both can have been formed by each transition plate itself causes a buffer function to by the liquid in valve body, liquid is avoided directly to impact the pipeline be connected with ball valve, reduce pressure, secondary buffer can be carried out by the cavity that formed of each transition plate of passage and spheroid itself again, the pressure further slowed down, more safe and reliable.
Good airproof performance of the present invention, stability is high, adds working life, improves working efficiency, more safe and reliable.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technological scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (2)
1. a novel three-way stopcock, it is characterized by, comprise valve body, valve rod, handle, valve gap and valve plug, described valve body is provided with first passage, second channel, third channel and valve stem passage, described first passage, second channel, third channel is connected with valve stem passage, first passage, second channel, the joint of third channel and valve stem passage is provided with valve plug lock chamber, valve plug is rotatable to be arranged in valve plug lock chamber, valve rod is through valve stem passage, one end and valve plug are fixed, the other end and handle fix, valve body is also provided with Seal cage, Seal cage is connected with valve stem passage, sealing gasket group is provided with in described Seal cage, sealing gasket group is fixed by valve gap, described sealing gasket group comprises the first sealing gasket, second sealing gasket, 3rd sealing gasket and the 4th sealing gasket, first sealing gasket and the 3rd sealing gasket lay respectively at two end faces up and down of the second sealing gasket, the lower surface of the first sealing gasket is provided with the first fixed groove of some trapezoid body structures, 3rd sealing gasket upper surface is provided with the second fixed groove of some trapezoid body structures, second sealing gasket upper surface and lower surface are respectively equipped with some first fixed lobes, first fixed lobe and the first fixed groove, second fixed groove interference fit, first sealing gasket, second sealing gasket, the superimposed setting of 3rd sealing gasket, described 4th sealing gasket is fixed on the first sealing gasket, second sealing gasket, 3rd sealing gasket inwall, the 4th sealing gasket inwall Formation cross-section that caves inward is the first lock chamber of arc-shaped structure, the second fixed lobe interference fit that first lock chamber and valve rod are provided with,
Described valve plug is provided with First Transition passage and the second transition passage, First Transition passage is arranged with the second transition passage is mutually vertical, described First Transition passage is from being provided with a circle First Transition plate outside to inside, one circle the second transition plate and circle the 3rd transition plate, described second transition passage is from being provided with a circle the 4th transition plate outside to inside, 5th transition plate and the 6th transition plate, be connected by the 7th transition plate between 3rd transition plate with the 6th transition plate, described First Transition, the angle a of the 4th transition plate and vertical direction is 50-55 °, the angle b of described second transition plate and the 5th transition plate and vertical direction is 70-80 °, the cross section of described 3rd transition plate and the 6th transition plate is the arc-shaped structure of outwardly convex, the angle b of five transition plates and vertical direction is 70-80 °, the central angle c of the arc-shaped structure that described cross section is is 35-45 °.
2. a kind of novel three-way stopcock as claimed in claim 1, is characterized by, and is provided with circle spray fluoroplastic in described valve plug lock chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510826341.9A CN105257867B (en) | 2015-11-25 | 2015-11-25 | A kind of novel three-way plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510826341.9A CN105257867B (en) | 2015-11-25 | 2015-11-25 | A kind of novel three-way plug valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105257867A true CN105257867A (en) | 2016-01-20 |
| CN105257867B CN105257867B (en) | 2017-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510826341.9A Active CN105257867B (en) | 2015-11-25 | 2015-11-25 | A kind of novel three-way plug valve |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4475712A (en) * | 1982-01-07 | 1984-10-09 | Xomox Corporation | Fluid valve and method of making same |
| CN202302047U (en) * | 2011-08-22 | 2012-07-04 | 电建阀门有限公司 | Hard sealing ball valve |
| CN202790695U (en) * | 2012-09-28 | 2013-03-13 | 正茂阀门有限公司 | Three-way reversing ball valve |
| US20130270472A1 (en) * | 2012-04-13 | 2013-10-17 | Aegis Flow Technologies, L.L.C. | Plug valve and stem sealing assembly |
| CN203979568U (en) * | 2014-07-26 | 2014-12-03 | 浙江时代铸造有限公司 | A kind of novel fluorine-lined ball valve |
| CN104358910A (en) * | 2014-10-28 | 2015-02-18 | 江苏华太电力仪表有限公司 | Angle stop valve with high sealing performance and long service life |
| CN204729680U (en) * | 2015-06-01 | 2015-10-28 | 江苏华太电力仪表有限公司 | A kind of novel three-way stopcock |
| CN205260914U (en) * | 2015-11-25 | 2016-05-25 | 江苏华太电力仪表有限公司 | Novel three -way cock valve |
-
2015
- 2015-11-25 CN CN201510826341.9A patent/CN105257867B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4475712A (en) * | 1982-01-07 | 1984-10-09 | Xomox Corporation | Fluid valve and method of making same |
| CN202302047U (en) * | 2011-08-22 | 2012-07-04 | 电建阀门有限公司 | Hard sealing ball valve |
| US20130270472A1 (en) * | 2012-04-13 | 2013-10-17 | Aegis Flow Technologies, L.L.C. | Plug valve and stem sealing assembly |
| CN202790695U (en) * | 2012-09-28 | 2013-03-13 | 正茂阀门有限公司 | Three-way reversing ball valve |
| CN203979568U (en) * | 2014-07-26 | 2014-12-03 | 浙江时代铸造有限公司 | A kind of novel fluorine-lined ball valve |
| CN104358910A (en) * | 2014-10-28 | 2015-02-18 | 江苏华太电力仪表有限公司 | Angle stop valve with high sealing performance and long service life |
| CN204729680U (en) * | 2015-06-01 | 2015-10-28 | 江苏华太电力仪表有限公司 | A kind of novel three-way stopcock |
| CN205260914U (en) * | 2015-11-25 | 2016-05-25 | 江苏华太电力仪表有限公司 | Novel three -way cock valve |
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| Publication number | Publication date |
|---|---|
| CN105257867B (en) | 2017-12-22 |
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