CN218564476U - Double-blocking three-valve group - Google Patents
Double-blocking three-valve group Download PDFInfo
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- CN218564476U CN218564476U CN202222524276.2U CN202222524276U CN218564476U CN 218564476 U CN218564476 U CN 218564476U CN 202222524276 U CN202222524276 U CN 202222524276U CN 218564476 U CN218564476 U CN 218564476U
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- passageway
- valve
- valve body
- channel
- blowoff
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Abstract
The utility model provides a two valves that block, comprises a valve body, the valve body is provided with and has passageway one and passageway two, passageway one and two parallel arrangement of passageway, the valve body is provided with passageway three, the correspondence of passageway three both ends communicates with passageway one and passageway two, the valve body is furnished with stop valve one and stop valve two and blowoff valve, and wherein, the valve body department at passageway one is installed to the stop valve, and stop valve one is used for the switching of control channel one, and stop valve two is installed on the valve body of intercommunication department between passageway two and passageway three, and stop valve two is used for the switching of control channel two and passageway three, and the blowoff valve is installed on the valve body of intercommunication department between passageway one and passageway three, has solved the problem that ordinary needle valve can not independently empty front end or rear end pipeline.
Description
Technical Field
The utility model relates to a blowdown needle valve technical field especially relates to a two three valves that block.
Background
The valve plays a role in a pipeline and is an important link for cutting off and opening the circulation of the pipeline, and is widely applied to the fields of petroleum, chemical engineering, natural gas, semiconductors, medical treatment and the like.
With the wide application of needle valves, a common needle valve has an online sewage discharge function, but only can flow into a sewage discharge device from the front end and discharge the sewage from the rear end, and the common needle valve does not have a function of independently discharging a front end pipeline or a rear end pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two three valves that block to overcome the not enough that exists among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a two valves that block, includes the valve body, the valve body is provided with passageway one and passageway two, passageway one and two parallel arrangement of passageway, the valve body is provided with passageway three, three both ends of passageway correspond with passageway one and two intercommunications, the valve body is furnished with stop valve one and stop valve two and blowoff valve, and wherein, the valve body department at passageway one is installed to the stop valve, and stop valve one is used for the switching of control channel one, and stop valve two is installed on the valve body of intercommunication department between passageway two and passageway three, and stop valve two is used for the switching of control channel two and passageway three, and the blowoff valve is installed on the valve body of intercommunication department between passageway one and passageway three.
In the scheme, the pipeline is communicated with the first channel of the valve body, the sewage discharge pipeline is communicated with the sewage discharge valve, and the other sewage discharge pipeline is communicated with the second channel of the valve body. Opening the first stop valve to enable the first channel to be in a conducting state, closing the second stop valve to enable the second channel to be in a closing state, enabling the sewage pipeline to flow from the first channel to the third channel and finally flowing out through the sewage valve; and closing the first stop valve to enable the first channel to be in a closed state, opening the second stop valve to enable the second channel to be in a conducting state, and enabling the other sewage discharge pipeline to flow from the second channel to the third channel and finally flow out through the sewage discharge valve. The problem that the common needle valve cannot independently exhaust the front-end or rear-end pipeline is solved.
As the utility model discloses a two improvement that block three valves, the valve body is equipped with stand-by passage, three intercommunications of stand-by passage and passageway, the valve body is furnished with the blowdown end cap, and the blowdown end cap is used for sealed stand-by passage.
In the above scheme, when a new blowoff valve needs to be connected in the later stage, the blowoff plug is removed, the blowoff valve is installed at the installation position of the blowoff plug of the valve body, the front end or the rear end of the valve body can select the original blowoff valve to perform blowoff or select the newly-added blowoff valve to perform blowoff, or the front end of the valve body corresponds to one blowoff valve to perform blowoff, and the rear end of the valve body corresponds to another blowoff valve to perform blowoff, so that mutual mixing of blowoff materials is avoided.
As the utility model discloses a two improvement that block three valves, valve body integrated into one piece has the erection column, and the erection column surface is provided with and is used for the screw thread fixed with the pipeline, erection column and passageway one intercommunication.
Among the above-mentioned scheme, valve body integrated into one piece has the erection column for the convenience valve body with the installation of pipeline, the valve body passes through the screw thread and pipeline screw thread fixed connection on erection column surface, has reduced the installation degree of difficulty of valve body and pipeline.
As the utility model discloses a two improvement that block three valves, the erection column is provided with the bell, bell and passageway one intercommunication.
In the above-mentioned scheme, the setting of taper mouth is in order to crescent the pressure of blowdown to passageway output in the pipeline, avoids causing great impact to the blowoff valve in the twinkling of an eye like this, prolongs the life of blowoff valve.
As the utility model discloses a two improvement that block three valves, the valve body is provided with the recess, and the recess internal surface is provided with and is used for the screw thread fixed with the pipeline, recess and two intercommunications of passageway.
In the above scheme, the valve body is fixedly connected with the pipeline through the threads on the inner surface of the groove, so that the installation difficulty of the valve body and the pipeline is reduced.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses put through the passageway one of pipeline and valve body, put through sewage pipes and blowoff valve, put through the passageway two of another sewage pipes and valve body. Opening the first stop valve to enable the first channel to be in a conducting state, closing the second stop valve to enable the second channel to be in a closing state, enabling the sewage discharge pipeline to flow from the first channel to the third channel and finally flow out through the sewage discharge valve; and closing the first stop valve to enable the first channel to be in a closed state, opening the second stop valve to enable the second channel to be in a conducting state, and enabling the other sewage discharge pipeline to flow from the second channel to the third channel and finally flow out through the sewage discharge valve. The problem that the common needle valve cannot independently exhaust the front-end or rear-end pipeline is solved; when a new blowoff valve needs to be connected in the later period, the blowoff plug is removed, the blowoff valve is installed at the installation position of the blowoff plug of the valve body, the front end or the rear end of the valve body can select the original blowoff valve to carry out blowdown or select the newly-added blowoff valve to carry out blowdown, or the front end of the valve body corresponds to one blowoff valve to carry out blowdown, and the rear end of the valve body corresponds to another blowoff valve to carry out blowdown, so that mutual mixing of blowdown materials is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a cross-sectional view V-V of fig. 2.
Wherein, 1, the valve body; 2. a first channel; 3. a second channel; 4. a third channel; 5. a first stop valve; 6. a second stop valve; 7. a blowdown valve; 8. a pollution discharge plug; 9. mounting a column; 10. a tapered mouth; 11. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a two three valves that block, including valve body 1, valve body 1 is provided with and has passageway one 2 and passageway two 3, passageway one 2 and passageway two 3 parallel arrangement, valve body 1 is provided with passageway three 4, passageway three 4 both ends correspond with passageway one 2 and passageway two 3 intercommunication, valve body 1 is furnished with stop valve one 5 and stop valve two 6 and blowoff valve 7, and wherein, the stop valve is installed in the valve body 1 department of passageway one 2, and stop valve one 5 is used for the switching of control passageway one 2, and stop valve two 6 is installed on the valve body 1 of intercommunication department between passageway two 3 and passageway three 4, and stop valve two 6 is used for the switching of control passageway two 3 and passageway three 4, and blowoff valve 7 is installed on the valve body 1 of intercommunication department between passageway one 2 and passageway three 4.
The pipeline is communicated with the first channel 2 of the valve body 1, the sewage discharge pipeline is communicated with the sewage discharge valve 7, and the other sewage discharge pipeline is communicated with the second channel 3 of the valve body 1. Opening the first stop valve 5 to enable the first channel 2 to be in a conducting state, closing the second stop valve 6 to enable the second channel 3 to be in a closed state, and enabling the sewage pipeline to flow from the first channel 2 to the third channel 4 and finally flow out through the sewage valve 7; the first stop valve 5 is closed so that the first channel 2 is in a closed state, the second stop valve 6 is opened so that the second channel 3 is in a conducting state, and the other sewage draining pipeline flows from the second channel 3 to the third channel 4 and finally flows out through the sewage draining valve 7. The problem that the common needle valve cannot independently exhaust the front-end or rear-end pipeline is solved.
The valve body 1 is provided with a standby channel which is communicated with the channel III 4, the valve body 1 is provided with a sewage discharge plug 8, and the sewage discharge plug 8 is used for sealing the standby channel.
When a new blowoff valve 7 needs to be connected in the later period, the blowoff plug 8 is removed, the blowoff valve 7 is installed at the installation position of the blowoff plug 8 of the valve body 1, the original blowoff valve 7 can be selected at the front end or the rear end of the valve body 1 for blowdown, or the newly-added blowoff valve 7 can be selected for blowdown, or the front end of the valve body 1 corresponds to one blowoff valve 7 for blowdown, the rear end of the valve body 1 corresponds to the other blowoff valve 7 for blowdown, and mutual mixing of blowdown materials is avoided.
The valve body 1 is integrally formed with a mounting column 9, and the mounting column 9 is communicated with the first channel 2.
The mounting column 9 is provided with a tapered opening 10, and the tapered opening 10 is communicated with the first channel 2.
The conical opening 10 is arranged to gradually increase the pressure of the sewage discharged from the pipeline to the first passage 2, so that the sewage valve 7 is prevented from being impacted in a short time, and the service life of the sewage valve 7 is prolonged.
The valve body 1 is provided with a groove 11, and the groove 11 is communicated with the second channel 3.
The valve body 1 is fixedly connected with the pipeline thread through the thread on the inner surface of the groove 11, so that the installation difficulty of the valve body 1 and the pipeline is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a two valves that block, a serial communication port, includes the valve body, the valve body is provided with passageway one and passageway two, passageway one and passageway two parallel arrangement, the valve body is provided with passageway three, the correspondence of passageway three both ends communicates with passageway one and passageway two, the valve body is furnished with stop valve one and stop valve two and blowoff valve, and wherein, the stop valve is installed in the valve body department of passageway one, and stop valve one is used for the switching of control channel one, and stop valve two is installed on the valve body of intercommunication department between passageway two and passageway three, and stop valve two is used for the switching of control channel two and passageway three, and the blowoff valve is installed on the valve body of intercommunication department between passageway one and passageway three.
2. A double block three valve group according to claim 1, characterised in that the valve body is provided with a spare channel communicating with channel three, the valve body being provided with a blowdown plug for sealing the spare channel.
3. A double block three valve group according to claim 1, wherein the valve body is integrally formed with a mounting post, the surface of the mounting post is provided with a thread for fixing with a pipeline, and the mounting post is communicated with the first channel.
4. A double block three valve pack according to claim 3 wherein the mounting post is provided with a tapered port communicating with the first passage.
5. A double block three valve group according to claim 3, wherein the valve body is provided with a groove, the inner surface of the groove is provided with a thread for fixing with a pipeline, and the groove is communicated with the second channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524276.2U CN218564476U (en) | 2022-09-23 | 2022-09-23 | Double-blocking three-valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524276.2U CN218564476U (en) | 2022-09-23 | 2022-09-23 | Double-blocking three-valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218564476U true CN218564476U (en) | 2023-03-03 |
Family
ID=85313086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222524276.2U Active CN218564476U (en) | 2022-09-23 | 2022-09-23 | Double-blocking three-valve group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218564476U (en) |
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2022
- 2022-09-23 CN CN202222524276.2U patent/CN218564476U/en active Active
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