CN202992186U - Z-shaped vacuum insulation low-temperature adjusting valve - Google Patents
Z-shaped vacuum insulation low-temperature adjusting valve Download PDFInfo
- Publication number
- CN202992186U CN202992186U CN 201220622866 CN201220622866U CN202992186U CN 202992186 U CN202992186 U CN 202992186U CN 201220622866 CN201220622866 CN 201220622866 CN 201220622866 U CN201220622866 U CN 201220622866U CN 202992186 U CN202992186 U CN 202992186U
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- valve body
- type
- inner valve
- low temperature
- insulation low
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Abstract
A Z-shaped vacuum insulation low-temperature adjusting valve belongs to the technical field of adjusting valves and comprises a vacuum jacket. A Z-shaped inner valve body is arranged in the vacuum jacket, an extension pipe is respectively connected with two sides of the Z-shaped inner valve body, a valve core component is arranged in the Z-shaped inner valve body in matching mode, a valve core in the valve core component is of a hollow structure, a pneumatic film executing mechanism is arranged on the valve core component in matched mode, a glass fiber cloth layer is wrapped on the outer surface of the Z-shaped inner valve body, and 5A molecular sieve adsorbent is arranged between the glass fiber cloth layer and the Z-shaped inner valve body. The Z-shaped vacuum insulation low-temperature adjusting valve effectively reduces heat leakage and is convenient to operate and control.
Description
Technical field
The utility model belongs to the modulating valve technical field, is specifically related to a kind of Z-type vacuum thermal insulation low temperature modulating valve.
Background technique
Cryogenic tank cryogenic media loading system is selected long-neck single hull modulating valve usually, adopts foam material insulation or ice chest to add pearlife and is incubated modulating valve, and this valve leaking heat is large, and the easy frosting of shell easily causes to leak outside under low temperature environment.
The model utility content
For the problem that prior art exists, the purpose of this utility model is to design the technological scheme that a kind of Z-type vacuum thermal insulation low temperature modulating valve is provided.
Described a kind of Z-type vacuum thermal insulation low temperature modulating valve, it is characterized in that comprising vacuum jacket, the Z-type inner valve body is set in described vacuum jacket, described Z-type inner valve body both sides connect extension tube, be equipped with valve hole part in described Z-type inner valve body, spool in described valve hole part is hollow-core construction, be equipped with pneumatic diaphragn actuating mechanism on described valve hole part, described Z-type inner valve body outer surface coats the glass fibre layer of cloth is set, and is provided with the 5A adsorbent of molecular sieve between described glass fibre layer of cloth and Z-type inner valve body.
Described a kind of Z-type vacuum thermal insulation low temperature modulating valve is characterized in that described Z-type inner valve body is by the outside thread that arranges on the inner valve body externally connected pipe extension tube that is threaded.
Described a kind of Z-type vacuum thermal insulation low temperature modulating valve is characterized in that the vacuum jacket externally connected pipe of described vacuum jacket both sides is provided with draw-in groove.
Described a kind of Z-type vacuum thermal insulation low temperature modulating valve is characterized in that described Z-type inner valve body is provided with venting plug.
Described a kind of Z-type vacuum thermal insulation low temperature modulating valve is characterized in that described vacuum jacket is vertical chuck, and described vacuum jacket bottom is provided with mounting bracket.
Described a kind of Z-type vacuum thermal insulation low temperature modulating valve is characterized in that being provided with between described pneumatic diaphragn actuating mechanism and valve hole part side dress turbo type handwheel.
Described a kind of Z-type vacuum thermal insulation low temperature modulating valve is characterized in that valve core sealed cover, the sealing surface of seat in the Z-type inner valve body and the spool guide surface in the Z-type inner valve body in described valve hole part is Build-up Stellite Workpiece.
Above-mentioned a kind of Z-type vacuum thermal insulation low temperature modulating valve, simple in structure, reasonable in design, Z-type inner valve body outer surface coats the multilayer woven glass fabric layer is set, medium in the blocking-up inner valve body outwards conducts heat, be provided with the 5A adsorbent of molecular sieve between glass fibre layer of cloth and Z-type inner valve body, the degree of vacuum that in the absorption vacuum jacket, thin air maintains a more long reduces leaking outside of heat effectively; Spool is set to hollow-core construction, reduces spool weight, reduces leaking heat, can reduce cryogenic media to the impact of spool size simultaneously; The side dress turbo type handwheel that arranges, operation is controlled more convenient.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure: the 1-extension tube; The 2-outside thread; 3-Z type inner valve body; The 4-vacuum jacket; The 5-valve hole part; 6-side dress turbo type handwheel; The 7-pneumatic diaphragn actuating mechanism; The 8-venting plug; The 9-5A adsorbent of molecular sieve; 10-glass fibre layer of cloth; The 11-mounting bracket; The 12-draw-in groove; The 13-hollow-core construction; The 14-valve core sealed cover; The 15-sealing surface of seat; 16-spool guide surface.
Embodiment
Further illustrate the utility model below in conjunction with Figure of description.
As shown in the figure, a kind of Z-type vacuum thermal insulation low temperature modulating valve comprises vacuum jacket 4, and the both sides, bottom of vacuum jacket 4 are provided with externally connected pipe, and the vacuum jacket externally connected pipe is crisscross arranged up and down, the vacuum jacket externally connected pipe is provided with draw-in groove 12, and arranging of draw-in groove 12 facilitates the valve test.Vacuum jacket 4 is vertical chuck, and vacuum jacket 4 bottoms are provided with mounting bracket 11, is convenient to install and carrying.Be fixedly installed Z-type inner valve body 3 in vacuum jacket 4, Z-type inner valve body 3 is by the outside thread 2 that arranges on the inner valve body externally connected pipe extension tube 1 that is threaded, and extension tube 1 is positioned at the both sides of Z-type inner valve body 3, and extension tube 1 is crisscross arranged up and down.Be equipped with valve hole part 5 in Z-type inner valve body 3, valve hole part 5 comprises valve rod, bellows and spool, and spool is hollow-core construction 13.Valve core sealed cover 14 in valve hole part 5, Z-type inner valve body 3 sealing surface of seats 15 and Z-type inner valve body 3 spool guide surfaces 16 are Build-up Stellite Workpiece, increase the hardness of sealing surface and guide surface, avoid guide surface sassafras wound and stuck under low-temperature condition, raising valve working life.Z-type inner valve body 3 outer surfaces coat glass fibre layer of cloth 10 are set, be provided with 5A adsorbent of molecular sieve 9 between glass fibre layer of cloth 10 and inner valve body 3, glass fibre layer of cloth 10 can effectively strengthen heat insulation effect, 5A adsorbent of molecular sieve 9 can effectively adsorb the rarefied gas in vacuum jacket 4, the degree of vacuum that maintains a more long.Z-type inner valve body 3 is provided with venting plug 8, convenient unnecessary gas of in time discharging the inside.Be equipped with pneumatic diaphragn actuating mechanism 7 on valve hole part 5, be provided with side dress turbo type handwheel 6 between pneumatic diaphragn actuating mechanism 7 and valve hole part 5, side dress turbo type handwheel 7 makes modulating valve die, realize during break signal manually-operable, the advantages such as it is little that side dress turbo type handwheel 7 has a volume, laborsaving.
During work, cryogenic media enters Z-type inner valve body 3 through extension tube 1, flows out from outlet extending pipe 1 through valve hole part 5 throttlings.Thereby the spool that promotes in valve hole part 5 by the difference of inputting pneumatic diaphragn actuating mechanism 7 bleed pressure signals moves up and down change valve seat orifice size, and output flow is changed, and regulates medium filling speed.
Shown in the above and figure is only preferred implementation of the present utility model.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. Z-type vacuum thermal insulation low temperature modulating valve, it is characterized in that comprising vacuum jacket (4), Z-type inner valve body (3) is set in described vacuum jacket (4), described Z-type inner valve body (3) both sides connect extension tube (1), be equipped with valve hole part (5) in described Z-type inner valve body (3), spool in described valve hole part (5) is hollow-core construction (13), be equipped with pneumatic diaphragn actuating mechanism (7) on described valve hole part (5), described Z-type inner valve body (3) outer surface coats glass fibre layer of cloth (10) is set, be provided with 5A adsorbent of molecular sieve (9) between described glass fibre layer of cloth (10) and Z-type inner valve body (3).
2. a kind of Z-type vacuum thermal insulation low temperature modulating valve as claimed in claim 1 is characterized in that described Z-type inner valve body (3) is by the outside thread (2) that arranges on the inner valve body externally connected pipe extension tube (1) that is threaded.
3. a kind of Z-type vacuum thermal insulation low temperature modulating valve as claimed in claim 1 is characterized in that the vacuum jacket externally connected pipe of described vacuum jacket (4) both sides is provided with draw-in groove (12).
4. a kind of Z-type vacuum thermal insulation low temperature modulating valve as claimed in claim 1, is characterized in that described Z-type inner valve body (3) is provided with venting plug (8).
5. a kind of Z-type vacuum thermal insulation low temperature modulating valve as claimed in claim 1, is characterized in that described vacuum jacket (4) is vertical chuck, and described vacuum jacket (4) bottom is provided with mounting bracket (11).
6. a kind of Z-type vacuum thermal insulation low temperature modulating valve as claimed in claim 1, is characterized in that being provided with between described pneumatic diaphragn actuating mechanism (7) and valve hole part (5) side dress turbo type handwheel (6).
7. a kind of Z-type vacuum thermal insulation low temperature modulating valve as claimed in claim 1, is characterized in that valve core sealed cover (14), the sealing surface of seat (15) in Z-type inner valve body (3) and the spool guide surface (16) in Z-type inner valve body (3) in described valve hole part (5) is Build-up Stellite Workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220622866 CN202992186U (en) | 2012-11-22 | 2012-11-22 | Z-shaped vacuum insulation low-temperature adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220622866 CN202992186U (en) | 2012-11-22 | 2012-11-22 | Z-shaped vacuum insulation low-temperature adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992186U true CN202992186U (en) | 2013-06-12 |
Family
ID=48563367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220622866 Expired - Fee Related CN202992186U (en) | 2012-11-22 | 2012-11-22 | Z-shaped vacuum insulation low-temperature adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976404A (en) * | 2014-04-03 | 2015-10-14 | 中国科学院理化技术研究所 | Pneumatic low-temperature regulating valve |
-
2012
- 2012-11-22 CN CN 201220622866 patent/CN202992186U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976404A (en) * | 2014-04-03 | 2015-10-14 | 中国科学院理化技术研究所 | Pneumatic low-temperature regulating valve |
| CN104976404B (en) * | 2014-04-03 | 2018-04-20 | 北京中科富海低温科技有限公司 | A kind of Pneumatic low temperature regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20161122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |