CN205745505U - A kind of Novel carbon dioxide air relief valve - Google Patents
A kind of Novel carbon dioxide air relief valve Download PDFInfo
- Publication number
- CN205745505U CN205745505U CN201620415459.2U CN201620415459U CN205745505U CN 205745505 U CN205745505 U CN 205745505U CN 201620415459 U CN201620415459 U CN 201620415459U CN 205745505 U CN205745505 U CN 205745505U
- Authority
- CN
- China
- Prior art keywords
- valve body
- spool
- carbon dioxide
- pressure
- level
- 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
Abstract
This utility model belongs to valve technology field, is specifically related to a kind of Novel carbon dioxide air relief valve.Including valve body, described valve body rear and front end is equipped with an installation cavity, it is provided with one-level decompressor in the installation cavity of described valve body front end, it is provided with second depressurized device in the installation cavity of described valve rear end, being provided with gas passage in the middle part of described valve body, described one-level decompressor and second depressurized device are connected by gas passage；This utility model simple in construction, easy to use, it is possible to efficiently solving when carbon dioxide cylinder high pressure turns low pressure, carbon dioxide output flow is more accurate.Novel carbon dioxide air relief valve long-term work reaches go out throughput accurately without the 2nd regulation.
Description
Technical field
This utility model belongs to valve technology field, is specifically related to a kind of Novel carbon dioxide air relief valve.
Background technology
Carbon dioxide air relief valve is usually the decompressor of bottled gas.When inlet pressure and rate of discharge occur
During change, the flow carrying out regulation of carbon dioxide of the decompressor in employing application valve body, by carbon dioxide
Pressure reduces, and the effect by downstream pressure simultaneously regulates the aperture of decompressor, makes downstream pressure be maintained at
In certain limit, it is ensured that its outlet pressure remains stable all the time, and general carbon dioxide air relief valve is at dioxy
When changing carbon steel bottle low pressure, owing to the existence of decompressor cannot make carbon dioxide stably export.
Summary of the invention
It is an object of the invention to: provide one can when carbon dioxide cylinder high pressure flow turns low pressure flow,
Carbon dioxide can also keep the Novel carbon dioxide air relief valve that regime flow exports for a long time.
This utility model solves its technical problem and be the technical scheme is that
A kind of Novel carbon dioxide air relief valve, including valve body, it is empty that described valve body rear and front end is equipped with an installation
Chamber, is provided with one-level decompressor in the installation cavity of described valve body front end, the installation cavity of described valve rear end
Inside being provided with second depressurized device, be provided with gas passage in the middle part of described valve body, described one-level decompressor and two grades subtract
Pressure device is connected by gas passage；
Described valve body side is provided with reset valve, and described gas passage connects one end of second depressurized device and is provided with low pressure
Air inlet, described low-pressure admission mouth is connected with described reset valve by low pressure appendix.
Described one-level decompressor includes that one-level spool and spool connect ring, and described valve body front end is bolted with bonnet,
Bonnet outer sheath is connected to inlet suction port, is additionally provided with air inlet in the middle part of described bonnet, and described bonnet rear inside sets
Having described spool to connect ring, described spool connects in ring and is connected with one-level spool, described one-level spool and
It is provided with spring I between described spool connection ring；
It is provided with the cavity I moved for described one-level spool, described one-level in the installation cavity of described valve body front end
Spool includes that chassis I, upper end, described chassis I are provided with connection post I；
Described one-level spool front end is provided with sheet rubber I, and the center bottom of described one-level spool is provided with passage I,
The post I table side that connects of described one-level spool front end is provided with the perforate I of interface channel I.
Described second depressurized device includes clamping cap and secondary valve core, and described clamping cap is spirally connected with described valve body,
Described clamping cap is flexibly connected with the bottom of described secondary valve core, and described secondary valve core is provided with spring II, described
Secondary valve core front end is against on described gas passage；
Installing in cavity of described valve rear end is provided with the cavity II moved for described secondary valve core, described two grades
Spool includes that chassis II, upper end, described chassis II are provided with connection post II；
The front end of described secondary valve core is provided with sheet rubber II, and the center bottom of described secondary valve core is provided with passage II,
The post II table side that connects of described secondary valve core front end is provided with the perforate II of interface channel II.
Described valve body is additionally provided with Pressure gauge, and described bonnet is provided with the pressure hole that is provided with of one end of air inlet, described valve
Being provided with the pressure channel connecting pressure hole in the installation cavity of body front end, the other end of described pressure channel connects institute
State Pressure gauge.
The gas outlet of described reset valve connects non-return bubble counter.
The present invention is prominent and useful compared to existing technology has the technical effect that this utility model simple in construction, makes
With convenient, it is possible to efficiently solving when carbon dioxide cylinder low pressure, it is new that carbon dioxide can not stably export
Type carbon dioxide air relief valve.
Accompanying drawing explanation
Fig. 1 is sectional view figure of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is valve body sectional view of the present utility model.
Fig. 4 is the structural representation of one-level spool of the present utility model
Fig. 5 is the structural representation of secondary valve core of the present utility model
Fig. 6 is the structural representation of bonnet of the present utility model
In figure: 1-valve body；2-installs cavity；3-gas passage；4-reset valve；5-low-pressure admission mouth；6-is low
Pressure appendix；7-one-level spool；8-spool connects ring；9-bonnet；10-inlet suction port；11-air inlet；
12-spring I；13-cavity I；14-chassis I；15-connects post I；16-passage I；17-perforate I；
18-clamping cap；19-secondary valve core；20-spring II；21-cavity II；22-chassis II；23-connects post II；
24-perforate II；25-passage II；26-Pressure gauge；27-pressure hole；The non-return bubble counter of 28-；29-air pressure leads to
Road；30-sheet rubber I；31-sheet rubber II.
Detailed description of the invention
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings:
A kind of Novel carbon dioxide air relief valve, including valve body 1, described valve body 1 rear and front end is equipped with an installation
Cavity 2, is provided with one-level decompressor in the installation cavity 2 of described valve body 1 front end, described valve body 1 rear end
Being provided with second depressurized device in installing cavity 2, be provided with gas passage 3 in the middle part of described valve body 1, described one-level reduces pressure
Device and second depressurized device are connected by gas passage 3；General carbon dioxide air relief valve only one of which decompression
Device, and such decompressor needs to make it be reduced to low-pressure gas output when inputting gases at high pressure, leads
When causing to transfer low-pressure gas to when the gas maximal pressure of input, valve body output flow is not accurate, and this utility model
Reduced pressure by bilayer, make carbon dioxide can export when low pressure, at the beginning of the one-level decompressor of valve body 1 is carried out
The decompression of step, is reduced to 30 kilograms of pressure by the gas of high pressure, if air inlet enter for mesolow gas (gas
Pressure is less than 30 kilograms) the most do not award decompression, the gas after blood pressure lowering flows into second depressurized device by gas passage again,
Air pressure is reduced to low-pressure gas (air pressure is less than 5 kilograms) by second depressurized device again, and described low-pressure gas is again from micro-
Valve 4 is adjusted to flow out.
Described valve body 1 side is provided with reset valve 4, and described gas passage connects one end of second depressurized device and is provided with low
Being pressed into QI KOU 5, described low-pressure admission mouth 5 is connected with described reset valve 4 by low pressure appendix 6.Reset valve
4 flows that can control gas.
Described one-level decompressor includes that one-level spool 7 and spool connect ring 8, and described valve body 1 front end is bolted with
Bonnet 9, bonnet 9 outer sheath is connected to inlet suction port 10, is additionally provided with air inlet 11, institute in the middle part of described bonnet 9
Stating bonnet 9 rear inside and be provided with described spool connection ring 8, described spool is connected with one-level in connecting ring 8
Spool 7, is provided with spring I 12 between described one-level spool 7 and described spool connection ring 8；
It is provided with, in the installation cavity 2 of described valve body 1 front end, the cavity I 13 moved for described one-level spool 7,
Described one-level spool 7 includes that chassis I 14, upper end, described chassis I are provided with connection post I 15；
Described one-level spool 7 front end is provided with sheet rubber I 30, and the center bottom of described one-level spool 7 is provided with logical
Road I 16, the post I 15 table side that connects of described one-level spool 7 front end is provided with the perforate I 17 of interface channel I 16.
Connecting steel cylinder, steel cylinder output carbon dioxide by inlet suction port, carbon dioxide enters valve body 1 by air inlet,
Carbon dioxide enters from the perforate I 17 of one-level spool 7 and is transported in cavity I 13 with interface channel I 16, this
Time cavity I 13 in air pressure make one-level spool overcome the elastic force of spring I 12 to move to air inlet 11, and lead to
Cross the sheet rubber I 30 of one-level spool 7 front end to be connected with air inlet 11 and make carbon dioxide cannot be delivered to valve body 1,
Carbon dioxide in cavity I 13 flows into second depressurized device by gas passage 3 simultaneously, makes one-level decompressor
Cavity I 13 air pressure reduce, spring I 12 elastic force makes sheet rubber I 30 and the air inlet of one-level spool 7 front end
11 separate, and carbon dioxide is delivered to valve body 1 again, and the air pressure of described cavity I 13 increases again, makes again one
Level spool 7 overcomes the elastic force of spring I 12 to move to air inlet 11, iterative cycles.
Described second depressurized device includes clamping cap 18 and secondary valve core 19, described clamping cap 18 and described valve
Body 1 is spirally connected, and described clamping cap 18 is flexibly connected with the bottom of described secondary valve core 19, described secondary valve core
Being provided with spring II 20, described secondary valve core 19 front end is against on described gas passage 3；
It is provided with, in the installation cavity 2 of described valve body 1 rear end, the cavity II 21 moved for described secondary valve core 19,
Described secondary valve core 19 includes that chassis II 22, upper end, described chassis II 22 are provided with connection post II 23；
The front end of described secondary valve core 19 is provided with sheet rubber II 31, and the center bottom of described secondary valve core 19 sets
Having passage II 25, the post II 23 table side that connects of described secondary valve core 19 front end is provided with opening of interface channel II 25
Hole II 24.Carbon dioxide flows into second depressurized device by gas passage, and carbon dioxide is from the perforate of secondary valve core
II enters and is transported in clamping cap and junction, chassis II with interface channel II, at this moment clamping cap with in chassis II
Air pressure make secondary valve core overcome the elastic force of spring II to move to gas passage, make the air pressure step-down of the gas of input,
And making the sheet rubber II of the front end of secondary valve core be connected with gas passage, carbon dioxide cannot input, again due to two
Carbonoxide flows into reset valve from low-pressure admission mouth, thus causes spring II to make secondary valve core move back, and gas passage is again
Secondary input gas, clamping cap makes secondary valve core overcome the elastic force of spring II to gas passage with the air pressure in chassis II
Mobile, iterative cycles.
Described valve body is additionally provided with Pressure gauge 26, and what described bonnet was provided with one end of air inlet is provided with pressure hole 27,
The pressure channel 29 connecting pressure hole, another of described pressure channel it is provided with in the installation cavity of described valve body front end
End connects described Pressure gauge.By the air pressure in Pressure gauge display steel cylinder, in order to enable accurately to show the gas of steel cylinder
Pressure, then need the gas pressure measured before not reducing pressure, and pressure hole is connected with Pressure gauge by pressure channel,
The gas measured enables Pressure gauge accurately to show steel cylinder air pressure without decompression.
The gas outlet of described reset valve connects non-return bubble counter 28.The anti-backflow of non-return bubble counter, produces valve body
Raw damage.
Above-described embodiment is only presently preferred embodiments of the present invention, limits the scope of the invention the most according to this,
Therefore: the equivalence change that all structures under this invention, shape, principle are done, the guarantor of the present invention all should be covered by
Within the scope of protecting.
Claims (5)
1. a Novel carbon dioxide air relief valve, it is characterised in that: include valve body, described valve body rear and front end
It is equipped with an installation cavity, in the installation cavity of described valve body front end, is provided with one-level decompressor, described valve body
Being provided with second depressurized device in the installation cavity of rear end, be provided with gas passage in the middle part of described valve body, described one-level subtracts
Pressure device and second depressurized device are connected by gas passage；
Described valve body side is provided with reset valve, and described gas passage connects one end of second depressurized device and is provided with low pressure
Air inlet, described low-pressure admission mouth is connected with described reset valve by low pressure appendix.
A kind of Novel carbon dioxide air relief valve the most according to claim 1, it is characterised in that: described one
Level decompressor includes that one-level spool and spool connect ring, and described valve body front end is bolted with bonnet, outside bonnet
Being socketed with inlet suction port, be additionally provided with air inlet in the middle part of described bonnet, described bonnet rear inside is provided with described valve
Core connects ring, and described spool is connected with one-level spool, described one-level spool and described spool in connecting ring
Connect and be provided with spring I between ring；
It is provided with the cavity I moved for described one-level spool, described one-level in the installation cavity of described valve body front end
Spool includes that chassis I, upper end, described chassis I are provided with connection post I；
Described one-level spool front end is provided with sheet rubber I, and the center bottom of described one-level spool is provided with passage I,
The post I table side that connects of described one-level spool front end is provided with the perforate I of interface channel I.
A kind of Novel carbon dioxide air relief valve the most according to claim 1, it is characterised in that: described two
Level decompressor includes clamping cap and secondary valve core, and described clamping cap is spirally connected with described valve body, described clamping cap
Being flexibly connected with the bottom of described secondary valve core, described secondary valve core is provided with spring II, before described secondary valve core
End is against on described gas passage；
Installing in cavity of described valve rear end is provided with the cavity II moved for described secondary valve core, described two grades
Spool includes that chassis II, upper end, described chassis II are provided with connection post II；
The front end of described secondary valve core is provided with sheet rubber II, and the center bottom of described secondary valve core is provided with passage II,
The post II table side that connects of described secondary valve core front end is provided with the perforate II of interface channel II.
A kind of Novel carbon dioxide air relief valve the most according to claim 2, it is characterised in that: described valve
Body is additionally provided with Pressure gauge, and described bonnet is provided with the pressure hole that is provided with of one end of air inlet, the peace of described valve body front end
Being provided with the pressure channel connecting pressure hole in behaveing affectedly, the other end of described pressure channel connects described Pressure gauge.
A kind of Novel carbon dioxide air relief valve the most according to claim 1, it is characterised in that: described micro-
The gas outlet adjusting valve connects non-return bubble counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620415459.2U CN205745505U (en) | 2016-05-09 | 2016-05-09 | A kind of Novel carbon dioxide air relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620415459.2U CN205745505U (en) | 2016-05-09 | 2016-05-09 | A kind of Novel carbon dioxide air relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745505U true CN205745505U (en) | 2016-11-30 |
Family
ID=57370009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620415459.2U Expired - Fee Related CN205745505U (en) | 2016-05-09 | 2016-05-09 | A kind of Novel carbon dioxide air relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745505U (en) |
-
2016
- 2016-05-09 CN CN201620415459.2U patent/CN205745505U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204042084U (en) | The hard leakproof one-way valve of a kind of high pressure for natural gas compressor | |
| CN205384115U (en) | Pressure boost liquid pump in succession pressurizes | |
| CN203264104U (en) | Valve core bottle valve of air fire extinguisher | |
| CN104500791A (en) | Power-assistance lift check valve | |
| CN205745505U (en) | A kind of Novel carbon dioxide air relief valve | |
| US20160305561A1 (en) | Water filtering device safety valve | |
| CN202531919U (en) | Gas pressure and flow controllable pressure reducer | |
| CN201786639U (en) | Valve box of diaphragm pump | |
| CN204201202U (en) | A kind of Depressure valve | |
| CN204879017U (en) | Be applied to pressure regulator that outlet pressure adjusted on gas pressure governing valve | |
| CN206103166U (en) | Steady voltage fire hydrant that pressure monitoring is timely | |
| CN204201210U (en) | A kind of reduction valve | |
| CN204827851U (en) | Energy -conserving auxiliary device of vacuum pump | |
| CN201517650U (en) | Balance pressure reducing valve | |
| CN205781133U (en) | A kind of lossless check valve of pressure | |
| CN104632742A (en) | Direct action type reducing valve | |
| CN204300449U (en) | A kind of without the need to the online external regulation type constant pressure valve of release | |
| CN204114247U (en) | A kind of Swing check valve of self-balancing pressure | |
| CN202812336U (en) | Multifunction vehicle compressed natural gas cylinder valve | |
| CN202521003U (en) | Gas pressure regulator | |
| CN202510108U (en) | Oil well production back-pressure simulator | |
| CN201779320U (en) | Novel gas reducing valve | |
| CN205533223U (en) | Twin -stage enthalpy increasing compressor | |
| CN205978686U (en) | Pressure reducing valve | |
| CN102768097A (en) | Pressure gauge buffer device for reducer |
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: 20161130 Termination date: 20200509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |