CN105090588A - Three-way reversing valve and sealing method thereof - Google Patents
Three-way reversing valve and sealing method thereof Download PDFInfo
- Publication number
- CN105090588A CN105090588A CN201410214069.4A CN201410214069A CN105090588A CN 105090588 A CN105090588 A CN 105090588A CN 201410214069 A CN201410214069 A CN 201410214069A CN 105090588 A CN105090588 A CN 105090588A
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- Prior art keywords
- seal groove
- inlet
- valve body
- exit
- exit seal
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
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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
- F16K11/085—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 with cylindrical plug
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/18—Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces
Abstract
The invention provides a three-way reversing valve which comprises an upper cover, a lower cover, a valve body and a valve element. The valve body is fixedly connected between the upper cover and the lower cover. The valve element is surrounded by the space formed by the valve body, the upper cover and the lower cover and can rotate inside the valve body. The valve body is provided with an inlet, a first outlet and a second outlet. Two parallel valve element channels are arranged inside the valve element. An inlet sealing groove and an outlet sealing groove are arranged in the inner wall of the valve body. The inlet sealing groove and the outlet sealing groove are provided with an inlet sealing ring and an outlet sealing ring respectively. The three-way reversing valve is good in sealing performance, long in service life and capable of greatly reducing the system maintenance cost and lowering the running cost.
Description
Technical field
The present invention relates to a kind of valve and encapsulating method, particularly a kind of high leak tightness three-way diverter valve and encapsulating method thereof.
Background technique
Three-way diverter valve conventional in Coal Chemical Industry fine coal system, medium of its conveying is carrier with high pressure nitrogen, has the solid coal powder particle of certain degree of hardness, because nitrogen pressure is up to more than 4.0Mpa, so it is high to require that it in use seals grade, good seal performance.At present, no matter be import or domestic three-way diverter valve, mostly adopt and seal ring is arranged on this sealing configuration on spool, as shown in Figure 6, Fig. 6 is three-way diverter valve conventional in prior art, and it comprises valve body 11 and spool 12, valve core channel is provided with in spool 12, respectively establish two inlet seal grooves, 201,202 and two exit seal grooves 203,204 at the inlet/outlet place of valve core channel, in corresponding seal groove, place seal ring, to ensure the sealing between valve body 11 and spool 12.But each seal ring due to inlet/outlet place is all located on spool 12, in spool 12 commutation process, spool 12 rotates, each seal ring can be impacted by the pulverized coal particle of high-speed motion and damage, cause valves leakage, even cause whole system to stop, bring serious financial consequences.
Summary of the invention
A kind of structure is simple, the novel high sealing performance three-way diverter valve of good seal performance, long service life to provide to the object of the invention is to solve the technical problem existed in background technique.
The object of the present invention is achieved like this: a kind of three-way diverter valve, it comprises upper cover, lower cover, valve body and spool, valve body is fixedly connected in the middle of upper cover and lower cover, described spool be enclosed in valve body, upper cover and lower cover formed space in and can rotate in valve body, described valve body has import, the first outlet and the second outlet, described valve core inside is provided with two parallel valve core channels, valve interior wall is provided with inlet seal groove and exit seal groove, in inlet seal groove and exit seal groove, is respectively equipped with inlet seal circle and exit seal circle.
Preferably, the outer rim of valve body is circle with the outer rim of upper cover, lower cover and diameter is identical.
Preferably, the ring wall surface of valve body is provided with bolt hole, and upper cover is connected with valve body by bolt with lower cover.
Preferably, the first inlet seal groove and the second inlet seal groove is provided with in the side of valve interior wall; On inwall, opposite side is provided with the first exit seal groove, the second exit seal groove and the 3rd exit seal groove.
Preferably, the import on described valve body and two outlets to be all arranged on valve outer wall and to run through valve body and form the first inlet passage, the first outlet passage and the second outlet passage respectively.
Preferably, the first inlet seal groove surrounds the inlet passage on valve interior wall, and the second inlet seal groove is arranged on the periphery of the first inlet seal groove and surrounds the total travel scope of commutation.
Preferably, the first exit seal groove and the second exit seal groove surround two outlet passages on valve interior wall, and the 3rd exit seal groove is arranged on the periphery of the first exit seal groove and the second exit seal groove and surrounds the total travel scope of commutation.
Preferably, in the first inlet seal groove, the second inlet seal groove, the first exit seal groove, the second exit seal groove and the 3rd exit seal groove, the first inlet seal circle, the second inlet seal circle, the first exit seal circle, the second exit seal circle and the 3rd exit seal circle is respectively equipped with.
Preferably, the first inlet seal groove, the first exit seal groove and the second exit seal groove are circular, and the second inlet seal groove and the 3rd exit seal groove are notch-like.
Present invention also offers a kind of encapsulating method, described method uses the three-way diverter valve described in above-mentioned arbitrary technological scheme, and it comprises the following steps:
At rotational valve core to realize in the process of valve commutation, when regulating the spool in three-way diverter valve to make inlet passage be connected by valve core channel and the first outlet passage, the first inlet seal circle and the first exit seal circle form the first resealing to ensure medium in inlet passage and the first outlet passage without leaking outside; Second exit seal circle forms the second resealing to ensure that medium can not bleed the second outlet passage; Second inlet seal circle and the 3rd exit seal circle form triple seal to ensure that medium can not bleed to valve body lumen;
When regulating the spool in three-way diverter valve to make inlet passage be connected by valve core channel and the second outlet passage, the first inlet seal circle and the second exit seal circle form the first resealing to ensure medium in inlet passage and the second outlet passage without leaking outside; First exit seal circle forms the second resealing to ensure that medium can not bleed the first outlet passage; Second inlet seal circle and the 3rd exit seal circle form triple seal to ensure that medium can not bleed to valve body lumen.
Compared with prior art, good seal performance, long service life, can greatly reduce system maintenance expense to the three-way diverter valve that the present invention relates to, and reduces operating cost.
Accompanying drawing explanation
Fig. 1 is the sectional view of the three-way diverter valve that the present invention relates to;
Fig. 2 is the three-dimensional structure diagram of the three-way diverter valve that the present invention relates to;
Fig. 3 is the three-dimensional structure diagram of the three-way diverter valve that the present invention relates to;
Fig. 4 is the sealing principle figure of three-way diverter valve when connection first exports that the present invention relates to;
Fig. 5 is the sealing principle figure of three-way diverter valve when connection second exports that the present invention relates to;
Fig. 6 is the sectional view of the three-way diverter valve existed in prior art.
Wherein, in Fig. 1-5:
1-valve body, 2-spool, 3-upper cover, 4-lower cover, 5-valve core channel, 6-import, 7-first export, 8-second exports; 101-first inlet seal groove, 102-second inlet seal groove, 103-first exit seal groove, 104-second exit seal groove, 105-the 3rd exit seal groove, 501-first inlet seal circle, 502-second inlet seal circle, 503-first exit seal circle, 504-second exit seal circle, 505-the 3rd exit seal circle;
In Fig. 6: 11-valve body, 12-spool, 201-first inlet seal groove, 202-second inlet seal groove, 203-first exit seal groove, 204-second exit seal groove.
Embodiment
In order to better the intent of the present invention is described, below in conjunction with accompanying drawing, content of the present invention is described further.
With reference to figure 1, Fig. 1 provides a kind of three-way diverter valve, it comprises upper cover 3, lower cover 4, valve body 1 and spool 2, and wherein, upper cover 3 and lower cover 4 are discoid, valve body 1 is loop configuration, valve body 1 is fixedly connected in the middle of upper cover 3 and lower cover 4, and the external profile diameter of valve body 1 is identical with the external profile diameter of lower cover 4 with upper cover 3, particularly, the ring wall surface of valve body 1 is provided with bolt hole, and upper cover 3 is connected with valve body 1 by bolt with lower cover 4; Described spool 2 be enclosed in valve body 1, upper cover 3 and lower cover 4 formed space in and can rotate in valve body 1, in addition, as shown in Figures 4 and 5, described valve body 1 has import 6, first outlet 7 and the second outlet 8, and described spool 2 inside is provided with two parallel valve core channels 5; In order to form sealing between valve body 1 and spool 2, valve body 1 inwall is provided with inlet seal groove and exit seal groove, inlet seal circle and exit seal circle is respectively equipped with in inlet seal groove and exit seal groove, inlet seal groove and inlet seal circle and exit seal groove and exit seal circle support the use respectively, and inlet seal circle and exit seal circle configuration ground are for realizing the sealing between valve body 1 and spool 2.
As shown in Figures 2 and 3, particularly, import 6 on described valve body 1 and two outlets 7,8 to be all arranged on valve body 1 outer wall and to run through valve body 1 and form the first inlet passage, the first outlet passage and the second outlet passage respectively, in addition, the first inlet seal groove 101 and the second inlet seal groove 102 is provided with in the side of valve body 1 inwall; On inwall, opposite side is provided with the first exit seal groove 103, second exit seal groove 104 and the 3rd exit seal groove 105; Wherein, the first inlet seal groove 101 surrounds the inlet passage on valve body 1 inwall, and the second inlet seal groove 102 is arranged on the periphery of the first seal groove 101 and surrounds the total travel scope of commutation; First exit seal groove 103 and the second exit seal groove 104 surround two outlet passages on valve body 1 inwall, and the 3rd exit seal groove 105 is arranged on the periphery of the first exit seal groove 103 and the second exit seal groove 104 and surrounds the total travel scope of commutation.Commutation wherein refers to that valve commutates, i.e. the position of regulating spool 2.
As shown in Figures 4 and 5, in the first inlet seal groove 101, second inlet seal groove 102, first exit seal groove 103, second exit seal groove 104 and the 3rd exit seal groove 105, the first inlet seal circle 501, second inlet seal circle 502, first exit seal circle 503, second exit seal circle 504 and the 3rd exit seal circle 505 is respectively equipped with.
Particularly, the first inlet seal groove 101, first exit seal groove 103 and the second exit seal groove 104 are circular, and matching used first inlet seal circle 501, first exit seal circle 503 and the second exit seal circle 504 are also circular.
Second inlet seal groove 102 and the 3rd exit seal groove 105 are notch-like, and matching used second inlet seal circle 502 and the 3rd exit seal circle 505 are also notch-like.
Using the three-way diverter valve that the present invention relates to, namely regulating spool 2 is to realize in the process of valve commutation, and the encapsulating method between valve body 1 and spool 2 is:
As shown in Figure 4, when regulating the spool 2 in three-way diverter valve to make inlet passage be connected by valve core channel and the first outlet passage, the first inlet seal circle 501 and the first exit seal circle 503 form the first resealing to ensure medium in inlet passage and the first outlet passage without leaking outside; Second exit seal circle 504 forms the second resealing to ensure that medium can not bleed the second outlet passage; Second inlet seal circle 502 and the 3rd exit seal circle 505 form triple seal to ensure that medium can not bleed to valve body lumen.
As shown in Figure 5, when regulating the spool 2 in three-way diverter valve to make inlet passage be connected by valve core channel and the second outlet passage, the first inlet seal circle 501 and the second exit seal circle 504 form the first resealing to ensure medium in inlet passage and the second outlet passage without leaking outside; First exit seal circle 503 forms the second resealing to ensure that medium can not bleed the first outlet passage; Second inlet seal circle 502 and the 3rd exit seal circle 505 form triple seal to ensure that medium can not bleed to valve body lumen.
In above-mentioned valve commutation process, first inlet seal circle 501, second inlet seal circle 502, first exit seal circle 503, second exit seal circle 504 and the 3rd exit seal circle 505 are placed in corresponding seal groove all the time and are positioned on the inwall of valve body 1, such seal ring can not be impacted by the pulverized coal particle of high-speed motion, substantially prolongs the working life of seal ring.
Embodiment of the present invention is only the description carried out the preferred embodiment of the present invention; not design of the present invention and scope are limited; under the prerequisite not departing from design philosophy of the present invention; the various modification that in related domain, engineers and technicians make technological scheme of the present invention and improvement; protection scope of the present invention all should be fallen into; the technology contents of request protection of the present invention, all records in detail in the claims.
Claims (10)
1. a three-way diverter valve, it comprises upper cover (3), lower cover (4), valve body (1) and spool (2), described valve body (1) is fixedly connected in the middle of upper cover (3) and lower cover (4), described spool (2) is enclosed in valve body (1), can to rotate in valve body (1) in the space that upper cover (3) and lower cover (4) are formed, described valve body (1) has import (6), first outlet (7) and the second outlet (8), described spool (2) inside is provided with two parallel valve core channels (5), it is characterized in that: on valve body (1) inwall, be provided with inlet seal groove and exit seal groove, inlet seal circle and exit seal circle is respectively equipped with in inlet seal groove and exit seal groove.
2. three-way diverter valve according to claim 1, is characterized in that: the outer rim of valve body (1) is circle with the outer rim of upper cover (3), lower cover (4) and diameter is identical.
3. three-way diverter valve according to claim 2, is characterized in that: on the ring wall surface of valve body (1), be provided with bolt hole, and upper cover (3) is connected with valve body (1) by bolt with lower cover (4).
4. the three-way diverter valve according to any one of claim 1-3, is characterized in that: be provided with the first inlet seal groove (101) and the second inlet seal groove (102) in the side of valve body (1) inwall; On inwall, opposite side is provided with the first exit seal groove (103), the second exit seal groove (104) and the 3rd exit seal groove (105).
5. three-way diverter valve according to claim 4, is characterized in that: the import (6) on described valve body (1) and the first outlet (7) and second export (8) and to be all arranged on valve body (1) outer wall and to run through valve body (1) and form the first inlet passage, the first outlet passage and the second outlet passage respectively.
6. three-way diverter valve according to claim 5, it is characterized in that: the first inlet seal groove (101) surrounds the inlet passage on valve body (1) inwall, the second inlet seal groove (102) is arranged on the periphery of the first inlet seal groove (101) and surrounds the total travel scope of commutation.
7. three-way diverter valve according to claim 6, it is characterized in that: the first exit seal groove (103) and the second exit seal groove (104) surround two outlet passages on valve body (1) inwall, the 3rd exit seal groove (105) is arranged on the periphery of the first exit seal groove (103) and the second exit seal groove (104) and surrounds the total travel scope of commutation.
8. the three-way diverter valve according to any one of claim 5-7, is characterized in that: in the first inlet seal groove (101), the second inlet seal groove (102), the first exit seal groove (103), the second exit seal groove (104) and the 3rd exit seal groove (105), be respectively equipped with the first inlet seal circle (501), the second inlet seal circle (502), the first exit seal circle (503), the second exit seal circle (504) and the 3rd exit seal circle (505).
9. three-way diverter valve according to claim 8, it is characterized in that: the first inlet seal groove (101), the first exit seal groove (103) and the second exit seal groove (104) are circular, the second inlet seal groove (102) and the 3rd exit seal groove (105) are notch-like.
10. an encapsulating method, described method uses the three-way diverter valve according to any one of the claims 1-9, and it comprises the following steps:
At rotational valve core (2) to realize in the process of valve commutation, when regulating the spool (2) in three-way diverter valve to make inlet passage be connected by valve core channel and the first outlet passage, the first inlet seal circle (501) and the first exit seal circle (503) form the first resealing to ensure medium in inlet passage and the first outlet passage without leaking outside; Second exit seal circle (504) forms the second resealing to ensure that medium can not bleed the second outlet passage; Second inlet seal circle (502) and the 3rd exit seal circle (505) form triple seal to ensure that medium can not bleed to valve body lumen;
When regulating the spool (2) in three-way diverter valve to make inlet passage be connected by valve core channel and the second outlet passage, the first inlet seal circle (501) and the second exit seal circle (504) form the first resealing to ensure medium in inlet passage and the second outlet passage without leaking outside; First exit seal circle (503) forms the second resealing to ensure that medium can not bleed the first outlet passage; Second inlet seal circle (502) and the 3rd exit seal circle (505) form triple seal to ensure that medium can not bleed to valve body lumen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410214069.4A CN105090588B (en) | 2014-05-21 | 2014-05-21 | A kind of three-way diverter valve and its encapsulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410214069.4A CN105090588B (en) | 2014-05-21 | 2014-05-21 | A kind of three-way diverter valve and its encapsulating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090588A true CN105090588A (en) | 2015-11-25 |
| CN105090588B CN105090588B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410214069.4A Active CN105090588B (en) | 2014-05-21 | 2014-05-21 | A kind of three-way diverter valve and its encapsulating method |
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| Country | Link |
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| CN (1) | CN105090588B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110894884A (en) * | 2018-09-13 | 2020-03-20 | 株式会社山田制作所 | Control valve |
| CN111255915A (en) * | 2018-11-30 | 2020-06-09 | 比亚迪股份有限公司 | Reversing assembly, heat dissipation device and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201246497Y (en) * | 2008-07-23 | 2009-05-27 | 岳阳东方自控工程设备有限公司 | Powder coal triplet commutation ball valve |
| CN201377623Y (en) * | 2008-12-29 | 2010-01-06 | 北京航天万源煤化工工程技术有限公司 | Tee joint reversing valve |
| CN101788063A (en) * | 2009-01-23 | 2010-07-28 | 北京中矿环保科技股份有限公司 | Plate-type concentrated material distributing valve device |
| CN201705986U (en) * | 2010-08-16 | 2011-01-12 | 岳阳东方自控工程设备有限公司 | Eccentric and concentric combined sealing valve seat |
| CN203948741U (en) * | 2014-05-21 | 2014-11-19 | 航天长征化学工程股份有限公司 | A kind of three-way diverter valve |
-
2014
- 2014-05-21 CN CN201410214069.4A patent/CN105090588B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201246497Y (en) * | 2008-07-23 | 2009-05-27 | 岳阳东方自控工程设备有限公司 | Powder coal triplet commutation ball valve |
| CN201377623Y (en) * | 2008-12-29 | 2010-01-06 | 北京航天万源煤化工工程技术有限公司 | Tee joint reversing valve |
| CN101788063A (en) * | 2009-01-23 | 2010-07-28 | 北京中矿环保科技股份有限公司 | Plate-type concentrated material distributing valve device |
| CN201705986U (en) * | 2010-08-16 | 2011-01-12 | 岳阳东方自控工程设备有限公司 | Eccentric and concentric combined sealing valve seat |
| CN203948741U (en) * | 2014-05-21 | 2014-11-19 | 航天长征化学工程股份有限公司 | A kind of three-way diverter valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110894884A (en) * | 2018-09-13 | 2020-03-20 | 株式会社山田制作所 | Control valve |
| CN111255915A (en) * | 2018-11-30 | 2020-06-09 | 比亚迪股份有限公司 | Reversing assembly, heat dissipation device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105090588B (en) | 2018-04-20 |
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