CN207814597U - A kind of bilateral vacuum valve structure being exclusively used in pressure vessel - Google Patents
A kind of bilateral vacuum valve structure being exclusively used in pressure vessel Download PDFInfo
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- CN207814597U CN207814597U CN201721856897.3U CN201721856897U CN207814597U CN 207814597 U CN207814597 U CN 207814597U CN 201721856897 U CN201721856897 U CN 201721856897U CN 207814597 U CN207814597 U CN 207814597U
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Abstract
The utility model discloses a kind of bilateral vacuum valve structure being exclusively used in pressure vessel, including valve body, valve inner has the first tube chamber, the second tube chamber and hand-operated valve installation cavity, the first tube chamber, the second tube chamber, hand-operated valve installation cavity to be connected with the center bore of valve body；It is equipped with first flange pipe fitting outside valve body, second flange pipe fitting is equipped with outside valve body, valve seat is installed outside valve body；There is the manual valve module of vacuum in hand-operated valve installation cavity, the vacuum being connected with the manual valve module of vacuum manual valve regulation spiral cover is installed on valve seat；First flange pipe socket end is equipped with first flange disk, and the flange through-hole A being connected with first flange pipe fitting is provided on first flange disk；Second flange pipe socket end is equipped with second flange disk, and the flange through-hole B being connected with second flange pipe fitting is provided on second flange disk.Vacuum tightness has been effectively ensured in the utility model, and vacuum gauge can be assisted to carry out the vacuum measurement of pressure vessel interlayer.
Description
Technical field
The utility model is related to vacuum observing and controlling two-way valve field more particularly to a kind of bilaterals being exclusively used in pressure vessel
Vacuum valve structure.
Background technology
Valve is for being opened and closed pipeline, control flow direction, parameter (such as temperature, pressure and the stream for adjusting and controlling pumped (conveying) medium
Amount etc.) pipeline fittings.Wherein two-way valve easily controls the break-make of medium very much with single spool and valve seat construction.Pressure
Container is for storing and transporting high-pressure medium, and wherein deep cooling industry then mainly applies low-temperature heat-insulation pressure container.Cryo Heat Insulation
Pressure vessel is the container for storing or transporting the cryogenic medias such as liquid hydrogen, liquid oxygen, liquid helium, liquid argon, liquid nitrogen and liquefied natural gas.
Country's low-temperature heat-insulation pressure container generally uses vacuum insulation now, its advantage is that being easy to the thermal insulation of complex-shaped surface, in advance
Refrigerating loss is small, and vacuum interlayer can accomplish very little, but need lasting high vacuum.Low-temperature heat-insulation pressure container mainly by liner,
Shell and valve accessories system composition, liner are used for storing cryogenic media, and shell provides protection and support；Cryo Heat Insulation pressure is held
Interlayer is formed between the liner and shell of device；Sandwich design is high vacuum multiple layer heat insulation structure, needs to be evacuated, generally want
Reciprocal of duty cycle of looking for the truth is not less than 1.0 × 10-2Pa has good heat-insulating property with Bedpan, reduces gas discharge, and vacuum degree is got over
Height, insulation effect are better.Existing low-temperature heat-insulation pressure container generally uses vacuum insulation, this needs to ensure the lasting of vacuum interlayer
High vacuum environment, thus for the real-time vacuum measurement of vacuum interlayer (including response speed, measurement accuracy etc.) propose compared with
High requirement.It primarily serves the effect of bilateral pipeline to traditional two-way valve structure, is difficult to be directly used in Cryo Heat Insulation pressure
The vacuum tightness of force container, traditional two-way valve structure is poor, can not be suitable for the pressure such as low-temperature heat-insulation pressure container
The vacuum measurement of container.
Utility model content
Place in view of the shortcomings of the prior art, the purpose of this utility model is to provide one kind being exclusively used in pressure vessel
Bilateral vacuum valve structure, which is exclusively used in the vacuum measurement of pressure vessel, can assist vacuum gauge
Pipe carries out the vacuum measurement of pressure vessel interlayer, and it is convenient to be provided for replacement vacuum gauge, can also realize valve body internal control
The break-make of medium processed.
The purpose of this utility model is achieved through the following technical solutions：
A kind of bilateral vacuum valve structure being exclusively used in pressure vessel, including valve body, the valve inner have the first pipe
Chamber, the second tube chamber and hand-operated valve installation cavity, the valve inner center have center bore, first tube chamber, the second tube chamber,
Hand-operated valve installation cavity is connected with the center bore of valve body respectively；First to be connected with the first tube chamber is equipped with outside the valve body
Flanged joint, the valve body outside are equipped with the second flange pipe fitting being connected with the second tube chamber, are installed outside the valve body
There is valve seat；The manual valve module of vacuum is equipped in the hand-operated valve installation cavity of the valve inner, the manual valve module of vacuum is used for
The break-make being connected between the second tube chamber and the first tube chamber is controlled, is equipped on the valve seat and is connected with the manual valve module of vacuum
The manual valve regulation spiral cover of vacuum；The first flange pipe socket end is equipped with first flange disk, is opened on the first flange disk
There is the flange through-hole A being connected with first flange pipe fitting；The second flange pipe socket end is equipped with second flange disk, institute
State the flange through-hole B for being provided on second flange disk and being connected with second flange pipe fitting.
In order to which the utility model is better achieved, the valve body is in integrally cylindrical shape, and the valve body has side wall table
Face, upper surface and lower face, the valve seat are installed on the upper surface of valve body, and the first flange pipe fitting is installed under valve body
End face, the second flange pipe fitting are installed in the sidewall surfaces of valve body.
Preferably, the valve seat is installed on by the way that screw is detachable on the upper surface of valve body.
Preferably, the first flange disk is CF16 ring flanges, several through-holes A is provided on the first flange disk.
Preferably, the second flange disk is CF16 ring flanges, several through-holes B is provided on the second flange disk.
Preferably, the valve body, first flange pipe fitting, second flange pipe fitting, valve seat, the manual valve module of vacuum are equal
It is manufactured by stainless steel material.
Preferably, being welded between the first flange pipe fitting and valve body using argon arc welding is closed；Described second
It is welded between flanged joint and valve body using argon arc welding is closed.
Preferably, the vacuum hand-operated valve component end is connect through valve seat with the manual valve regulation spiral cover of vacuum.
Preferably, the valve seat includes two ring flanges, first ring flange is fixedly installed in the upper surface of valve body, the
Two ring flanges are connected with each other with first ring flange by several screws.
Preferably, the manual valve module of vacuum includes control valve rod, valve rod integrally T-shaped shape, control valve are controlled
Bar bottom compresses and is connected with O-ring seals.
The utility model compared with the prior art, has the following advantages and advantageous effect：
The utility model bilateral vacuum valve structure is exclusively used in the vacuum measurement of pressure vessel, can assist vacuum gauge into
The vacuum measurement of row pressure vessel interlayer, it is convenient to be provided for replacement vacuum gauge, can also realize in application valve body and be situated between
The vacuum leak rate of the break-make of matter, the utility model bilateral vacuum valve structure is Q≤1.0 × 10-11Pa·m3/s。
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, entitled corresponding to the reference numeral in attached drawing：
1- valve bodies, 2- first flange pipe fittings, 3- second flange pipe fittings, 4- valve seats, 41- screws, 5- vacuum
Manual valve regulation spiral cover, 6- first flange disks, 61- through-holes A, 7- second flange disk, 71- through-holes B, 72- flange through-hole B.
Specific implementation mode
The utility model is described in further detail with reference to embodiment：
Embodiment
As shown in Figure 1, a kind of bilateral vacuum valve structure being exclusively used in pressure vessel, including valve body 1,1 inside tool of valve body
There are the first tube chamber, the second tube chamber and hand-operated valve installation cavity, 1 inside center of valve body that there is center bore, the first tube chamber, the second pipe
Chamber, hand-operated valve installation cavity are connected with the center bore of valve body 1 respectively.The outside of valve body 1 is equipped with the to be connected with the first tube chamber
One flanged joint 2,1 outside of valve body are equipped with the second flange pipe fitting 3 being connected with the second tube chamber, are equipped with outside valve body 1
Valve seat 4.It is equipped in hand-operated valve installation cavity (bellows for having the manual valve module of vacuum in the hand-operated valve installation cavity) inside valve body 1
The manual valve module of vacuum, the manual valve module of vacuum is for controlling the break-make being connected between the second tube chamber and the first tube chamber, on valve seat 4
The manual valve regulation spiral cover of the vacuum being connected with the manual valve module of vacuum 5 is installed.The preferred vacuum hand-operated valve of the utility model
Component includes control valve rod, and integrally T-shaped shape, control stem bottom compression are connected with O-ring seals to control valve rod.It uses
When, the manual 5 adjusting control valve rod of valve regulation spiral cover of vacuum drives O-ring seals lifting in bellows elevating movement, control valve rod
Movement realize whether the second tube chamber of vacuum sealing and the first tube chamber.
As shown in Figure 1,2 end of first flange pipe fitting is equipped with first flange disk 6, it is provided on first flange disk 6 and the
The flange through-hole A that one flanged joint 2 is connected.3 end of second flange pipe fitting is equipped with second flange disk 7, first flange
Disk 6 is CF16 ring flanges, several through-holes A61 is provided on first flange disk 6.It is provided on second flange disk 7 and second flange pipe
The flange through-hole B72 that connector 3 is connected, second flange disk 7 are CF16 ring flanges, several through-holes are provided on second flange disk 7
B71。
As shown in Figure 1, it is in cylindrical shape that valve body 1 is whole, valve body 1 has sidewall surfaces, upper surface and lower face, valve seat
4 are installed on the upper surface of valve body 1, and first flange pipe fitting 2 is installed on the lower face of valve body 1, and second flange pipe fitting 3 is installed on
In the sidewall surfaces of valve body 1.The preferred valve seat 4 of the utility model passes through the detachable upper surface for being installed on valve body 1 of screw 41
On.
A preferred embodiment according to the present utility model, valve body 1, first flange pipe fitting 2, second flange pipe fitting 3,
The manual valve module of valve seat 4, vacuum is manufactured by stainless steel material, resistance to 200 DEG C of the high temperature of above-mentioned component, entire bilateral vacuum valve
The vacuum leak rate of door is Q≤1.0 × 10-11Pa·m3/s。
A preferred embodiment according to the present utility model, it is close using argon arc welding between first flange pipe fitting 2 and valve body 1
It closes and is welded；It is welded between second flange pipe fitting 3 and valve body 1 using argon arc welding is closed.
A preferred embodiment according to the present utility model, vacuum hand-operated valve component end are manual through valve seat 4 and vacuum
Valve regulation spiral cover 5 connects.
A preferred embodiment according to the present utility model, valve seat 4 include two ring flanges, and first ring flange fixes peace
Upper surface loaded on valve body 1, second ring flange and first ring flange are connected with each other by several screws 41.
Vacuum hand-operated valve adjusting knob 10 valve regulated bar in mating connection.
In use, first by entire bilateral vacuum valve structure vacuum state, by first flange disk 6 be connected to by
On the pressure vessel of survey, vacuum measurement sensor (including vacuum gauge) is connected by second flange disk 7, passes through vacuum hand-operated valve
It adjusts spiral cover 5 and controls first flange pipe fitting 2, the first tube chamber, the center bore of valve body 1, the second tube chamber, second flange pipe fitting
3 are connected, and such first flange pipe fitting 2, second flange pipe fitting 3 are connected to, and vacuum measurement sensor can carry out pressure
The vacuum measurement of container interlayer.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of bilateral vacuum valve structure being exclusively used in pressure vessel, it is characterised in that：Including valve body (1), the valve body (1)
Inside has the first tube chamber, the second tube chamber and hand-operated valve installation cavity, and valve body (1) inside center has center bore, described
First tube chamber, the second tube chamber, hand-operated valve installation cavity are connected with the center bore of valve body (1) respectively；It is set outside the valve body (1)
There is a first flange pipe fitting (2) being connected with the first tube chamber, the to be connected with the second tube chamber is equipped with outside the valve body (1)
Two flanged joints (3), the valve body (1) is external to be equipped with valve seat (4)；In the internal hand-operated valve installation cavity of the valve body (1)
Equipped with the manual valve module of vacuum, the manual valve module of vacuum be used for control be connected between the second tube chamber and the first tube chamber lead to
It is disconnected, the vacuum being connected with the manual valve module of vacuum manual valve regulation spiral cover (5) is installed on the valve seat (4)；Described first
Flanged joint (2) end is equipped with first flange disk (6), is provided with and first flange pipe fitting on the first flange disk (6)
(2) the flange through-hole A being connected；Second flange pipe fitting (3) end is equipped with second flange disk (7), second method
The flange through-hole B (72) being connected with second flange pipe fitting (3) is provided on blue disk (7).
2. a kind of bilateral vacuum valve structure being exclusively used in pressure vessel described in accordance with the claim 1, it is characterised in that：It is described
Valve body (1) is in integrally cylindrical shape, and the valve body (1) has sidewall surfaces, upper surface and lower face, valve seat (4) peace
Upper surface loaded on valve body (1), the first flange pipe fitting (2) are installed on the lower face of valve body (1), the second flange pipe
Connector (3) is installed in the sidewall surfaces of valve body (1).
3. according to a kind of bilateral vacuum valve structure being exclusively used in pressure vessel as claimed in claim 1 or 2, it is characterised in that：
The valve seat (4) is installed on by the way that screw (41) is detachable on the upper surface of valve body (1).
4. a kind of bilateral vacuum valve structure being exclusively used in pressure vessel described in accordance with the claim 1, it is characterised in that：It is described
First flange disk (6) is CF16 ring flanges, several through-holes A (61) is provided on the first flange disk (6).
5. a kind of bilateral vacuum valve structure being exclusively used in pressure vessel described in accordance with the claim 1, it is characterised in that：It is described
Second flange disk (7) is CF16 ring flanges, several through-holes B (71) is provided on the second flange disk (7).
6. a kind of bilateral vacuum valve structure being exclusively used in pressure vessel described in accordance with the claim 1, it is characterised in that：It is described
Valve body (1), first flange pipe fitting (2), second flange pipe fitting (3), valve seat (4), the manual valve module of vacuum are by stainless steel
Material manufacture.
7. a kind of bilateral vacuum valve structure being exclusively used in pressure vessel described in accordance with the claim 1, it is characterised in that：It is described
It is welded between first flange pipe fitting (2) and valve body (1) using argon arc welding is closed；The second flange pipe fitting (3) with
It is welded between valve body (1) using argon arc welding is closed.
8. a kind of bilateral vacuum valve structure being exclusively used in pressure vessel described in accordance with the claim 1, it is characterised in that：It is described
Vacuum hand-operated valve component end is connect through valve seat (4) with the manual valve regulation spiral cover (5) of vacuum.
9. according to a kind of bilateral vacuum valve structure being exclusively used in pressure vessel described in claim 1 or 8, it is characterised in that：
The valve seat (4) includes two ring flanges, and first ring flange is fixedly installed in the upper surface of valve body (1), second ring flange
It is connected with each other by several screws (41) with first ring flange.
10. according to a kind of bilateral vacuum valve structure being exclusively used in pressure vessel described in claim 1 or 8, it is characterised in that：
The manual valve module of vacuum includes control valve rod, and integrally T-shaped shape, control stem bottom compression are connected with O to control valve rod
Shape sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856897.3U CN207814597U (en) | 2017-12-26 | 2017-12-26 | A kind of bilateral vacuum valve structure being exclusively used in pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721856897.3U CN207814597U (en) | 2017-12-26 | 2017-12-26 | A kind of bilateral vacuum valve structure being exclusively used in pressure vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814597U true CN207814597U (en) | 2018-09-04 |
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ID=63331264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721856897.3U Active CN207814597U (en) | 2017-12-26 | 2017-12-26 | A kind of bilateral vacuum valve structure being exclusively used in pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116158A1 (en) * | 2021-12-20 | 2023-06-29 | 拓荆科技股份有限公司 | Gate valve for semiconductor apparatus, and maintenance method therefor |
-
2017
- 2017-12-26 CN CN201721856897.3U patent/CN207814597U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116158A1 (en) * | 2021-12-20 | 2023-06-29 | 拓荆科技股份有限公司 | Gate valve for semiconductor apparatus, and maintenance method therefor |
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