CN207378266U - A kind of low temperature pressure charging valve - Google Patents
A kind of low temperature pressure charging valve Download PDFInfo
- Publication number
- CN207378266U CN207378266U CN201721453713.9U CN201721453713U CN207378266U CN 207378266 U CN207378266 U CN 207378266U CN 201721453713 U CN201721453713 U CN 201721453713U CN 207378266 U CN207378266 U CN 207378266U
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- China
- Prior art keywords
- valve
- diaphragm
- spring
- assembly
- valve deck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims abstract description 22
- 230000033228 biological regulation Effects 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model provides a kind of low temperature pressure charging valve, can solve the problems, such as that existing cumbersome, low precision, the validity of adjusting of existing low temperature pressure charging valve is low, and ensure safety in utilization.It includes valve body, valve deck and core assembly, valve deck spiral-lock is simultaneously threadedly connected to valve body top, fluid inlet is equipped in valve body, fluid outlet and adjusting runner and fluid inlet, fluid outlet is respectively with adjusting runner unicom, core assembly is installed in valve body and positioned at fluid inlet, adjust the intersection of runner, diaphragm unit is provided between valve body and valve deck, core assembly is abutted with diaphragm unit, spring assembly is installed in valve deck, valve deck screw top is connected with adjusting screw and saves after screw passes through valve deck and is connected with described spring assembly one end, the other end of spring assembly is connected with diaphragm unit；Pressure regulation scale assembly is equipped at the top of valve deck, pressure scale is imprinted on pressure regulation scale assembly, adjusting screw is installed on the pressure regulation scale assembly and is connected after passing through at the top of valve deck with spring assembly.
Description
Technical field
The utility model is related to be specially a kind of low temperature pressure charging valve the utility model is related to pressure-control valve field.
Background technology
Subzero valve belongs to Special valve, is mainly used for exporting inflammable and explosive liquid low temperature medium such as ethylene, liquid oxygen, liquid
Hydrogen, liquefied natural gas, liquefied petroleum product etc..Existing low-temperature reduced-pressure valve, which usually requires to coordinate with pressure gauge, carries out pressure tune
Examination, operating personnel observes pressure gauge numerical value in control valve pressure regulation bar during debugging, up to pressure gauge numerical value reaches required pressure,
It is poor that it not only debugs cumbersome but also degree of regulation, generally requires most debugging and can be only achieved pressure control requirement, it is low to adjust efficiency；
Further, since liquid low temperature medium is not only inflammable and explosive, and it can generate gasification in heating and make hundreds times of its volume expansion, institute
Very important with the material of Subzero valve, existing low-temperature reduced-pressure valve is mostly cast member or forge piece made of copper, particularly valve
Interior diaphragm is mostly copper film piece, since the ductility of copper film piece is not ideal enough, is often present with comprehensive mechanical performance, intensity, steel
The problem of degree can not meet requirement, it can even be produced fracture when serious, cause dielectric leakage and set off an explosion, jeopardize production
Safety.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of low temperature pressure charging valve, existing low temperature pressure charging valve can be solved and deposited
The problem of adjusting is cumbersome, low precision, low validity, and can guarantee the security used.
Its technical solution is a kind of low temperature pressure charging valve, and including valve body, valve deck and core assembly, the valve deck spiral-lock is simultaneously
The valve body top is threadedly connected to, fluid inlet, fluid outlet are equipped in the valve body and adjusts runner and the fluid
Import, fluid outlet adjust runner unicom with described respectively, and the core assembly is installed in the valve body and positioned at the stream
Body import, the intersection for adjusting runner, are provided with diaphragm unit, the core assembly and institute between the valve body and valve deck
Diaphragm unit abutting is stated, spring assembly is installed in the valve deck, the valve deck screw top is connected with adjusting screw and described
Adjusting screw is connected after passing through the valve deck with described spring assembly one end, the other end of the spring assembly and the diaphragm group
Part connects, it is characterised in that：Pressure regulation scale assembly is equipped at the top of the valve deck, pressure quarter is imprinted on the pressure regulation scale assembly
Angle value, the adjusting screw connect after being installed on the pressure regulation scale assembly and passing through at the top of the valve deck with the spring assembly
It connects.
Further, the pressure regulation scale assembly includes locking swivel nut and upper cover, and the valve deck top, which is equipped with, to be threadedly coupled
Portion, the bottom inner hole thread of the locking swivel nut are threadedly coupled with the periphery of the threaded joints, the locking swivel nut top surface
Equipped with concentric guide sleeve, the upper cover sliding sleeve is loaded on the guide sleeve and the upper cover in guide sleeve with being equipped with compression spring,
Top surface of the upper and lower ends of the compression spring respectively with the inner top surface of upper cover, locking swivel nut abuts, the periphery wall of the guide sleeve
On there is stamp to have a pressure scale, the adjusting screw sequentially pass through from top to bottom the upper cover, guide sleeve, locking swivel nut,
It is connected after valve deck with the top of the spring assembly and the adjusting screw is connected with the inner hole thread of the threaded joints, institute
It states compression spring and is sheathed on the adjusting screw periphery simultaneously.
Further, the spring assembly includes main spring, and spring button, bottom connection are connected at the top of the main spring
There is pressing plate, the adjusting screw is connected with the spring button.
Further, the diaphragm unit includes the three-piece metal diaphragm and diaphragm valve seat that stack gradually, the three pieces
Metallic membrane is stainless steel diaphragm, the diaphragm valve seat sequentially pass through from bottom to top diaphragm gasket, the three-piece metal diaphragm,
Pressing plate, spring washer rear thread connection fixing nut.
Further, the diaphragm unit further includes diaphragm locating part, and the diaphragm locating part is in the bulge loop swelled upwards
Shape, the valve deck will be stacked gradually from top to bottom by the bottom circumferential edge of the diaphragm locating part, the three-piece metal film
Piece, diaphragm washer are pressed on the valve body, and the pressing plate is between the diaphragm locating part and diaphragm unit, and the film
The bulge loop internal orifice dimension of piece locating part is less than the pressing plate diameter.
Further, the core assembly includes piston valve base, and it is in vivo that the piston valve base is slidably mounted on the valve
In plunger shaft, the top of the piston valve base is equipped with valve rod, bottom equipped with lead, and the valve rod is supported with the diaphragm valve seat
It connects, auxiliary spring is set on the lead, the plunger shaft bottom is sealed by locking nut, nut shim, the pair bullet
The both ends of spring are connected respectively with the piston valve base, locking nut.
The beneficial effects of the utility model are：It sets be connected with adjusting screw and surface to be imprinted on valve deck
The pressure regulation scale assembly of pressure scale, thus can intuitively obtain real-time pressure kilogram while adjusting screw is rotated
Number, thus its pressure regulation is convenient and precision is high；Meanwhile diaphragm with stainless steel diaphragm instead of existing copper diaphragm, due to not
The metal good-extensibility of rust steel diaphragm, therefore can guarantee the requirement of low temperature pressure charging valve, it effectively avoids being broken, it is ensured that production peace
Entirely.
Description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of low temperature pressure charging valve of the utility model；
Fig. 2 is a kind of decomposition diagram of low temperature pressure charging valve of the utility model；
Fig. 3 is a kind of external structure stereoscopic schematic diagram of low temperature pressure charging valve of the utility model.
Reference numeral in figure：10- valve bodies, 11- fluid inlets, 12- adjusting runners, 13- fluid outlets, 20- valve decks,
21- threaded joints, 30- core assemblies, 31- piston valve bases, 32- valve rods, 33- leads, 34- auxiliary springs, 35- locking screws
Mother, 36- piston pads, 37- nut shims, 40- diaphragm units, 41- metallic membranes, 42- metallic membranes, 43-- metallic membranes,
44- diaphragm valve seats, 45- diaphragm gaskets, 46- fixing nuts, 47- diaphragm locating parts, 48- diaphragm washers, 50- spring assemblies, 51-
Main spring, 52- spring buttons, 53- pressing plates, 54- spring washers, 60- adjusting screws, 70- pressure regulation scale assemblies, 71- locking screws
Set, 711- guide sleeves, 712- inner hole threads, 72- upper covers, 73- compression springs, 74- pressure scales, 80- nameplates.
Specific embodiment
See Fig. 1~Fig. 3, the utility model it include valve body 10, valve deck 20 and core assembly 30,20 spiral-lock of valve deck and screw thread
Be connected to 10 top of valve body, fluid inlet 11, fluid outlet 13 are equipped in valve body 10 and adjust runner 12 and fluid inlet 11,
Respectively with adjusting 12 unicom of runner, core assembly 30 is installed in valve body 10 and positioned at fluid inlet 11 with adjusting fluid outlet 13
The intersection of runner 12 is provided with diaphragm unit 40 between valve body 10 and valve deck 20, core assembly 30 is abutted with diaphragm unit 40,
Spring assembly 50 is installed, 20 screw top of valve deck is connected with adjusting screw 60 and adjusting screw 60 passes through valve deck 20 in valve deck 20
It is connected afterwards with 50 one end of spring assembly, the other end of spring assembly 50 is connected with diaphragm unit 40；20 top of valve deck is equipped with pressure regulation
Scale assembly 70 is imprinted with pressure scale 71 on pressure regulation scale assembly 70, and adjusting screw 60 is installed on pressure regulation scale assembly 70
It goes up and is connected after passing through 20 top of valve deck with spring assembly 50.
Wherein, pressure regulation scale assembly 70 includes locking swivel nut 71 and upper cover 72, and 20 top of valve deck is equipped with threaded joints 21,
The bottom inner hole thread 712 of locking swivel nut 71 is threadedly coupled with the periphery of threaded joints 21, and 71 top surface of locking swivel nut is equipped with one
The concentric guide sleeve 711 of body, 72 sliding sleeve of upper cover is loaded on guide sleeve 711, and upper cover 72 in guide sleeve 711 with being equipped with compression spring
73, it compresses top surface of the upper and lower ends of spring 73 respectively with the inner top surface of upper cover 72, locking swivel nut 71 and abuts, outside guide sleeve 711
There is stamp to have pressure scale 74 on peripheral wall, adjusting screw 60 sequentially passes through upper cover 72, guide sleeve 711, locking swivel nut from top to bottom
71st, it is connected after valve deck 20 with the top of spring assembly 50 and adjusting screw 60 is connected with the inner hole thread of threaded joints 21, is pressed
Contracting spring 73 is sheathed on the periphery of adjusting screw 60 simultaneously.
Spring assembly 50 includes main spring 51, and 51 top of main spring is connected with spring button 52, bottom is connected with pressing plate 53,
Adjusting screw 60 is connected with spring button 51.
Diaphragm unit 40 includes the three-piece metal diaphragm 41,42,43 stacked gradually and diaphragm valve seat 44, three-piece metal film
Piece 41,42,43 is stainless steel diaphragm, diaphragm valve seat 44 sequentially pass through from bottom to top diaphragm gasket 45, three-piece metal diaphragm 41,
42nd, 43, pressing plate 53,54 rear thread of spring washer connection fixing nut 46；Diaphragm unit 40 further includes diaphragm locating part 47, diaphragm
Locating part 47 is in the convex hoop shape swelled upwards, and valve deck 20 is circumferential by the bottom by diaphragm locating part 47 stacked gradually from top to bottom
Edge, three-piece metal diaphragm 41,42,43 and diaphragm washer 48 are pressed on valve body 10, and pressing plate 53 is located at diaphragm locating part 47
Between three-piece metal diaphragm, and the bulge loop internal orifice dimension of diaphragm locating part 47 is less than 53 diameter of pressing plate.
Core assembly 30 includes piston valve base 31, and piston valve base 31 is slidably mounted in the plunger shaft in valve body 10, piston
The top of valve seat 31 is equipped with valve rod 32, bottom is equipped with lead 33, and valve rod 32 is abutted with diaphragm valve seat 31, is set on lead 33
Have auxiliary spring 34, plunger shaft bottom is sealed by locking nut 35, nut shim 37, the both ends of auxiliary spring 34 respectively with piston valve
Seat 31, locking nut 35 connect.
The membrane type low temperature pressure charging valve of the utility model, drives main spring 51 to move linearly by rotating adjusting screw 60
So as to promote the three-piece metal diaphragm 41,42,43 of diaphragm unit is whole to generate deformation and piston valve base 31 is driven to act, valve afterwards
The opening degree of the valve port of runner 13 is adjusted in body 10, realizes the pressure regulation of fluid；When rotating down adjusting screw 60, adjusting screw
60 promotion upper covers 72 are moved down along guide sleeve 711, until the bottom margin of upper cover 72 is carved with the corresponding pressure marked on guide sleeve 711
Angle value 74 flushes, that is, debugs in place；73 both ends of compression spring in temperature adjustment scale assembly 70 hold out against always upper cover 72 inner top surface,
The top surface of locking swivel nut 71, to ensure the stabilization of vertical relative position between upper cover 72 and guide sleeve 711, it is ensured that pressure value debugging is steady
It is fixed；The pressure scale marked on guide sleeve 711 is according to the distance of 60 vertical displacement of adjusting nut and 51 compression pusher of main spring
Three metallic membranes 41,42,44 of dynamic diaphragm component generate corresponding deformation and make pair of pressure value after the adjusting opening degree of spool 30
It should be related to and be calculated.In the present embodiment, the unit of pressure scale is kilogram.
Claims (6)
1. a kind of low temperature pressure charging valve, including valve body (10), valve deck (20) and core assembly (30), valve deck (20) spiral-lock is simultaneously
The valve body (10) top is threadedly connected to, fluid inlet (11), fluid outlet (12) are equipped in the valve body (10) and is adjusted
It throttles road (13) and the fluid inlet (11), fluid outlet (12) adjusts runner (13) unicom, the spool with described respectively
Component (30) is installed in the valve body (10) and is located at the fluid inlet (11), the intersection for adjusting runner (13),
Diaphragm unit (40), the core assembly (30) and the diaphragm unit are provided between the valve body (10) and valve deck (20)
(40) abut, spring assembly (50) is installed in the valve deck (20), valve deck (20) screw top is connected with adjusting screw
(60) and the adjusting screw (60) is connected through the valve deck (20) with the spring assembly (50) one end afterwards, the groups of springs
The other end of part (50) is connected with the diaphragm unit (40), it is characterised in that：Pressure regulation scale is equipped at the top of the valve deck (20)
Component (70) is imprinted with pressure scale (74) on the pressure regulation scale assembly (70), and the adjusting screw (60) is installed on institute
It states on pressure regulation scale assembly (70) and is connected after passing through at the top of the valve deck (20) with the spring assembly (50).
2. a kind of low temperature pressure charging valve according to claim 1, it is characterised in that：The pressure regulation scale assembly (70) includes lock
Tight swivel nut (71) and upper cover (72), valve deck (20) top are equipped with threaded joints (21), the bottom of the locking swivel nut (71)
Portion's inner hole thread is threadedly coupled with the periphery of the threaded joints (21), and locking swivel nut (71) top surface is equipped with concentric lead
It covers (711), upper cover (72) sliding sleeve is loaded on the guide sleeve (711) and the upper cover (72) in guide sleeve (711) with installing
Have a compression spring (73), the upper and lower ends of the compression spring (73) respectively with the inner top surface of upper cover (72), locking swivel nut (71)
Top surface abut, there is stamp to have the pressure scale (74), the adjusting screw (60) on the periphery wall of the guide sleeve (711)
Sequentially pass through from top to bottom the upper cover (72), guide sleeve (711), locking swivel nut (71), valve deck (20) afterwards with the spring assembly
(50) top connection and the adjusting screw (60) is connected with the inner hole thread of the threaded joints (21), the compression bullet
Spring (73) while it is sheathed on the adjusting screw (60) periphery.
3. a kind of low temperature pressure charging valve according to claim 2, it is characterised in that：The spring assembly (50) includes main spring
(51), it is connected with spring button (52) at the top of the main spring (51), bottom is connected with pressing plate (53), the adjusting screw (60)
It is connected with the spring button (52).
4. a kind of low temperature pressure charging valve according to claim 3, it is characterised in that：The diaphragm unit (40) includes layer successively
Folded three-piece metal diaphragm (41,42,43) and diaphragm valve seat (44), the three-piece metal diaphragm (41,42,43) is stainless
Steel diaphragm, the diaphragm valve seat (44) sequentially pass through from bottom to top diaphragm gasket (45), the three-piece metal diaphragm (41,42,
43), pressing plate (53), spring washer (54) rear thread connection fixing nut (46).
5. a kind of low temperature pressure charging valve according to claim 4, it is characterised in that：The diaphragm unit further includes diaphragm /V
Part (47), the diaphragm locating part (47) be in the convex hoop shape that swells upwards, and the valve deck (20) will stack gradually from top to bottom
By the bottom circumferential edge of the diaphragm locating part (47), the three-piece metal diaphragm (41,42,43), diaphragm washer (48) pressure
Tightly on the valve body (10), the pressing plate (53) is located at the three-piece metal diaphragm of the diaphragm locating part (47) and diaphragm unit
Between the entirety of (41,42,43), and the bulge loop internal orifice dimension of the diaphragm locating part (47) is less than the pressing plate (53) diameter.
6. a kind of low temperature pressure charging valve according to claim 4, it is characterised in that：The core assembly (30) includes piston valve
Seat (31), the piston valve base (31) are slidably mounted in the plunger shaft in the valve body (10), the piston valve base (31)
Top is equipped with valve rod (32), bottom is equipped with lead (33), and the valve rod (32) abuts with the diaphragm valve seat (44), described to lead
Auxiliary spring (34) is set on column (33), the plunger shaft bottom is sealed by locking nut (35), nut shim (37), institute
The both ends for stating auxiliary spring (34) are connected respectively with the piston valve base (31), locking nut (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721453713.9U CN207378266U (en) | 2017-11-03 | 2017-11-03 | A kind of low temperature pressure charging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721453713.9U CN207378266U (en) | 2017-11-03 | 2017-11-03 | A kind of low temperature pressure charging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207378266U true CN207378266U (en) | 2018-05-18 |
Family
ID=62334986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721453713.9U Expired - Fee Related CN207378266U (en) | 2017-11-03 | 2017-11-03 | A kind of low temperature pressure charging valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207378266U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260812A (en) * | 2018-09-25 | 2019-01-25 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation filter device |
| CN111623152A (en) * | 2020-05-08 | 2020-09-04 | 安徽唐道电子科技有限公司 | Pressure regulating valve |
-
2017
- 2017-11-03 CN CN201721453713.9U patent/CN207378266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260812A (en) * | 2018-09-25 | 2019-01-25 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation filter device |
| CN111623152A (en) * | 2020-05-08 | 2020-09-04 | 安徽唐道电子科技有限公司 | Pressure regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 |