CN207527123U - A kind of carbon dioxide solar term pressure reducer - Google Patents
A kind of carbon dioxide solar term pressure reducer Download PDFInfo
- Publication number
- CN207527123U CN207527123U CN201720685975.1U CN201720685975U CN207527123U CN 207527123 U CN207527123 U CN 207527123U CN 201720685975 U CN201720685975 U CN 201720685975U CN 207527123 U CN207527123 U CN 207527123U
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- China
- Prior art keywords
- valve
- inner core
- valve body
- valve chamber
- pressure
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Abstract
The utility model discloses a kind of carbon dioxide solar term pressure reducers, including valve body, valve body is equipped with pressure gauge, it is characterized in that two valve chambers communicated, air intake lever and flow tube assembly are additionally provided on valve body, the mounting hole of air intake lever is connected with a valve chamber, the mounting hole of flow tube assembly is connected with another valve chamber, middle spring, inner core, caulking gum component and big spring are equipped in valve chamber, inner core and caulking gum component slippage are connected in valve chamber, middle spring one end is connected on the end wall of valve chamber inner end, the other end is connected on inner core, and valve chamber outer end is equipped with mandril.Middle spring, inner core, caulking gum component and big spring in the utility model in two valve chambers form pressure buffer balance mechanism, one valve chamber carries out cushioning balance to the air pressure that air intake lever introduces, reach voltage stabilizing, another valve chamber then carries out voltage stabilizing again before flow tube assembly output pressure, air-flow is more steady when decompression can in this way adjusted, pressure oscillation smaller.
Description
Technical field
The utility model is related to a kind of pressure vessel output pressure adjusting means, more specifically, it relates to a kind of dioxy
Change carbon solar term pressure reducer.
Background technology
Carbon dioxide is the gas that a kind of property is stablized, and is all widely used in industry and medical treatment as argon gas, nitrogen, is led to
It is often stored in high-pressure bottle with high pressure conditions, when use exports after pressure reducer is depressurized to required pressure, flowmeter type gas
Body pressure reducer is a kind of common depressurized to high pressure bottled gas and the regulating device of flow control.At present, it lives in the market
Plug pressure reducer has following two：A kind of is that flow part and piston decompression part are divided into two the split type of precursor structure and are subtracted
Laminated structure；Another kind is that flow part and piston decompression part are negative direction structures, i.e. two cavitys of a parent.Air-flow is
The cavity for entering piston decompression part from air inlet pipe enters back into the cavity of flowtube, and air-flow enters needle chamber body after being opened by needle-valve
Output.The shortcomings that gas shock is difficult to control before and after existing gas pressure reducer has adjusting, and pressure oscillation is big.Publication No.
The utility model of CN201081086 disclosed a kind of argon decompressor on July 2nd, 2008, including：Main valve body, admission gear,
Air-out mechanism, the mechanism of decompressor, flowmeter, needle-valve sub-assembly and pressure gauge etc., the flowmeter, the mechanism of decompressor, air-out mechanism with
And needle-valve sub-assembly and admission gear are set in same main valve body, and pass through and admission gear is connected in the main valve body and is subtracted
Runner between press mechanism, flowmeter；Connect the runner between flowmeter and needle-valve sub-assembly；And connection needle-valve sub-assembly with
Runner between air-out mechanism forms the decompression metering device completed in same valve body by air inlet to outlet overall process.More than
This argon decompressor of Technical Design since all composition mechanisms are provided entirely in a main valve body, is tied
The advantages of structure is compact and flexible, small in volume, and have sealing effect good and be not easy to reveal and damage.But the argon gas depressurizes
Device still has room for improvement in terms of control gas shock and pressure oscillation.
Utility model content
The shortcomings that gas shock is difficult to control before and after existing gas pressure reducer has adjusting, and pressure oscillation is big, to overcome
These defects, the utility model provide it is a kind of carry out decompression adjust when air-flow it is more steady, the smaller carbon dioxide of pressure oscillation
Solar term pressure reducer.
The technical solution of the utility model is：A kind of carbon dioxide solar term pressure reducer, including valve body, valve body is equipped with pressure
Table is that two valve chambers communicated, air intake lever and flow tube assembly are additionally provided on valve body, and the mounting hole of air intake lever and a valve chamber connect
Logical, the mounting hole of flow tube assembly is connected with another valve chamber, and middle spring, inner core, caulking gum component and big bullet are equipped in valve chamber
Spring, inner core and caulking gum component slippage are connected in valve chamber, and middle spring one end is connected on the end wall of valve chamber inner end, and the other end supports
It is connected on inner core, valve chamber outer end is equipped with mandril.Middle spring, inner core, caulking gum component and big spring in two valve chambers are formed
Pressure buffer balance mechanism, a valve chamber carry out cushioning balance to the air pressure that air intake lever introduces, reach voltage stabilizing, another valve chamber is then
Voltage stabilizing is carried out again before flow tube assembly output pressure, and air-flow is more steady when decompression can in this way adjusted, pressure oscillation smaller.
Preferably, inner core is coated with inner core cover, inner core cover plug is in the inner core spiral shell of a cavity with one end open
In plug, inner core plug screw is connect with caulking gum inter-module by an internal core rod.The effect of middle spring, inner core to caulking gum component
Power forms the active force of caulking gum component with big spring the opposition of a pair of of balance, when caulking gum component and valve chamber
Air pressure I/O port between the input of wall internal cause or output pressure when causing the internal pressure to change, middle spring, inner core, sealing rubber
Glue component and big spring can voluntarily adjust to reach new balance.Inner core plug screw and inner core cover cause inner core only in axial generation
Deformation and other directions then keep shape, it is ensured that the variation of active force that inner core is generated by deformation is completely used for completing new pressure
Balance.
Preferably, flow tube assembly includes flow valve body, covers, takes over, valve rod, valve stem nut, valve handle, flowtube
And pipe sleeve, valve stem nut are threaded on flow valve body, are taken over and are connected on flow valve body by fixing nut, threaded stem
It is connected on valve stem nut, valve handle is socketed in valve rod free end, and pipe sleeve is threaded on flow valve body, and flowtube is nested in
In pipe sleeve, flowtube is equipped with rubber stopper and steel ball with flow valve body connecting portion.Flow valve body is introduced from valve chamber by preliminary steady
It is further accurate after the control and regulation of gas channel formed through valve rod, rubber stopper, steel ball, flowtube, pipe sleeve after the air pressure of pressure
To required air pressure, finally from taking over upper output.
Preferably, caulking gum component includes pressing plate, gasket and rivet, pressing plate passes through rivet after being bonded with gasket
It is connected.Not only there is resistance to deformation intensity, but also with sealing function after pressing plate, gasket fitting are fixed, so as to which voltage stabilizing be better achieved.
Preferably, being additionally provided with hollow insurance screw rod on valve body, insurance screw flight is connected on valve body, insures screw rod
Interior to be equipped with adjusting screw rod, little spring, sealing block and sealing block set, sealing block is embedded in sealing block set, and adjusting screw rod screw thread connects
Be connected on the insurance pitch and company's of wearing little spring, sealing block and sealing block set, little spring both ends respectively with adjusting screw rod, sealing block
Set abuts.Insurance screw rod increases an air pressure controlling on valve body, contributes to further smooth air, eliminates gas shock.
The beneficial effects of the utility model are：
Smooth air, control pressure fluctuation.Middle spring, inner core in the utility model in two valve chambers, caulking gum group
Part and big spring form pressure buffer balance mechanism, and a valve chamber carries out cushioning balance to the air pressure that air intake lever introduces, reaches steady
Pressure, another valve chamber then carries out voltage stabilizing again before flow tube assembly output pressure, and air-flow is more flat when decompression can in this way adjusted
Surely, pressure oscillation smaller.
Description of the drawings
Fig. 1 is a kind of structure diagram of the utility model；
Fig. 2 is the sectional view at A-A in Fig. 1；
Fig. 3 is a kind of structure diagram of caulking gum component in the utility model；
Fig. 4 is a kind of structure diagram of flow tube assembly in the utility model.
In figure, spring in 1-, 2- inner cores, 3- inner core covers, 4- caulking gums, 5- inner core plug screws, 6- internal core rods, 7- sealing rubbers
Glue component, 71- gaskets, 72- pressing plates, 73- rivets, 8- big springs, 9- spring bases, 10- valve decks, 11- mandrils, 12- mandril spiral shells
Mother, 13- is into air-casing, 14- air intake levers, 15- gaskets, 16- strainer blocks, the second gaskets of 17-, 18- sealing blocks, 19- sealing blocks
Set, 20- adjusting screw rods, 21- little springs, 22- insurance screw rods, 23- valve bodies, 24- flow tube assemblies, 241- pipe sleeves, 242- flows
Pipe, 243- steel balls, 244- rubber stoppers, 245- rubber seal, 246- valve handles, 247- valve handle nuts, 248- valve rods, 249-
Valve stem nut, 2410-O shape circles, 2411- flow valve bodies, 2412- fixing nuts, 2413- take over, 2414- cappings, 25- pressure
Table, 26- liners.
Specific embodiment
The utility model is described in further detail for specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
As shown in Figures 1 to 4, a kind of carbon dioxide solar term pressure reducer, including valve body 23, valve body 23 is equipped with pressure gauge
25th, valve deck 10 are additionally provided with two valve chambers communicated, air intake lever 14, flow tube assembly 24 and hollow insurance screw rod on valve body 23
22, valve chamber is enclosed by valve body 23 and valve deck 10.Air intake lever 14 and flow tube assembly 24 are threaded on valve body 23, into
The threaded mounting hole of gas bar 14 is connected with a valve chamber, and the free end of air intake lever 14 is socketed with into air-casing 13, air intake lever 14 and valve body
23 connecting portion is equipped with the first gasket 15 and strainer block 16.The threaded mounting hole of flow tube assembly 24 is connected with another valve chamber,
Middle spring 1, inner core 2, caulking gum component 7 and big spring 8 are equipped in valve chamber, inner core 2 and caulking gum component 7 are slidably connected to
In valve chamber, middle 1 one end of spring is connected on the end wall of valve chamber inner end, and the other end is connected on inner core 2, and there is mandril 11 in valve chamber outer end,
It is threaded on valve deck 10,11 outer end of mandril is threaded with mandril nut 12, and spring base is equipped between mandril 11 and big spring 8
9.Pressure gauge 25, insurance screw rod 22 be threaded on valve body 23, pressure gauge 25, flow tube assembly 24, insurance screw rod 22 with
The connecting portion of valve body 23 is equipped with the second gasket 17.Inner core 2 is coated with inner core cover 3, between 2 top of inner core and inner core cover 3
Equipped with caulking gum 4, inner core cover 3 is filled in the inner core plug screw 5 of a cavity with one end open, inner core plug screw 5 and sealing
It is connected between rubber assembly 7 by an internal core rod 6.Flow tube assembly 24 include flow valve body 2411, capping 2414, take over 2413,
Valve rod 248, valve stem nut 249, valve handle 246, flowtube 242 and pipe sleeve 241, valve stem nut 249 are connected to flow valve body
On 2411, take over 2413 is connected to by fixing nut 2412 on flow valve body 2411, and valve rod 248 is threaded in valve stem nut
It is formed on 249 and with flow valve body 2411 and is rotatablely connected, O-ring 2410, valve handle are equipped between valve rod 248 and flow valve body 2411
246 are socketed in 248 free end of valve rod and pass through a valve handle nut 247 and fixed with valve rod 248, and pipe sleeve 241 is threaded in stream
It measures on valve body 2411, pipe sleeve 241 and the connecting portion of flow valve body 2411 are equipped with rubber seal 245, and flowtube 242, which is nested in, to be set
In in pipe sleeve 241, flowtube 242 is equipped with rubber stopper 244 and steel ball 243 with 2411 connecting portion of flow valve body.Caulking gum component 7
Including pressing plate 72, gasket 71 and rivet 73, pressing plate 72 is connected after being bonded with gasket 71 by rivet 73.It is also set on valve body 23
Have and adjusting screw rod 20, little spring 21, sealing block 18 and sealing block set 19 are equipped in insurance screw rod 22, sealing block 18 is embedded in sealing
In block set 19, adjusting screw rod 20 is threaded in insurance 22 center of screw rod and the company's of wearing little spring 21, sealing block 18 and sealing block set
19,21 both ends of little spring abut respectively with adjusting screw rod 20, sealing block set 19.
After one valve chamber introduces the gas from CO 2 high pressure gas cylinder to air intake lever 14, middle spring 1, inner core 2, sealing
The pressure buffer balance mechanism that rubber assembly 7 and big spring 8 are formed carries out cushioning balance to air pressure, reaches voltage stabilizing and enters another
A valve chamber, another valve chamber then carry out voltage stabilizing again before 24 output pressure of flow tube assembly, gas when decompression can in this way adjusted
Flow more steady, pressure oscillation smaller.
Claims (4)
1. a kind of carbon dioxide solar term pressure reducer, including valve body（23）, valve body（23）It is equipped with pressure gauge（25）, it is characterized in that valve
Body（23）On be additionally provided with two valve chambers communicated, air intake levers（14）With flow tube assembly（24）, air intake lever（14）Mounting hole with
One valve chamber connects, flow tube assembly（24）Mounting hole connected with another valve chamber, middle spring is equipped in valve chamber（1）, inner core（2）、
Caulking gum component（7）And big spring（8）, inner core（2）With caulking gum component（7）It is slidably connected in valve chamber, middle spring（1）
One end is connected on the end wall of valve chamber inner end, and the other end is connected to inner core（2）On, valve chamber outer end is equipped with mandril（11）, flowtube group
Part（24）Including flow valve body（2411）, capping（2414）, take over（2413）, valve rod（248）, valve stem nut（249）, valve handle
（246）, flowtube（242）And pipe sleeve（241）, valve stem nut（249）It is threaded in flow valve body（2411）On, it takes over
（2413）Pass through fixing nut（2412）It is connected to flow valve body（2411）On, valve rod（248）It is threaded in valve stem nut
（249）On, valve handle（246）It is socketed in valve rod（248）Free end, pipe sleeve（241）It is threaded in flow valve body（2411）On,
Flowtube（242）It is nested in set on pipe sleeve（241）It is interior, flowtube（242）With flow valve body（2411）Connecting portion is equipped with rubber stopper
（244）And steel ball（243）.
2. carbon dioxide solar term pressure reducer according to claim 1, it is characterized in that inner core（2）It is coated with inner core cover（3）,
Inner core cover（3）Fill in the inner core plug screw in a cavity with one end open（5）It is interior, inner core plug screw（5）With caulking gum component
（7）Between pass through an internal core rod（6）Connection.
3. carbon dioxide solar term pressure reducer according to claim 1, it is characterized in that caulking gum component（7）Including pressing plate
（72）, gasket（71）And rivet（73）, pressing plate（72）With gasket（71）Pass through rivet after fitting（73）It is connected.
4. the carbon dioxide solar term pressure reducer according to claims 1 or 2 or 3, it is characterized in that valve body（23）On be additionally provided with sky
The insurance screw rod of the heart（22）, insure screw rod（22）It is threaded in valve body（23）On, insure screw rod（22）It is interior to be equipped with adjusting screw rod
（20）, little spring（21）, sealing block（18）With sealing block set（19）, sealing block（18）It is embedded in sealing block set（19）It is interior, it adjusts
Screw rod（20）It is threaded in insurance screw rod（22）Center and the company's of wearing little spring（21）, sealing block（18）With sealing block set（19）,
Little spring（21）Both ends respectively with adjusting screw rod（20）, sealing block set（19）It abuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685975.1U CN207527123U (en) | 2017-06-13 | 2017-06-13 | A kind of carbon dioxide solar term pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685975.1U CN207527123U (en) | 2017-06-13 | 2017-06-13 | A kind of carbon dioxide solar term pressure reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207527123U true CN207527123U (en) | 2018-06-22 |
Family
ID=62575358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720685975.1U Expired - Fee Related CN207527123U (en) | 2017-06-13 | 2017-06-13 | A kind of carbon dioxide solar term pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207527123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110250391A (en) * | 2019-07-01 | 2019-09-20 | 内蒙古雄远科技有限公司 | A kind of pressure relief device and its application method for ultra-high pressure sterilization preservation device |
-
2017
- 2017-06-13 CN CN201720685975.1U patent/CN207527123U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110250391A (en) * | 2019-07-01 | 2019-09-20 | 内蒙古雄远科技有限公司 | A kind of pressure relief device and its application method for ultra-high pressure sterilization preservation device |
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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: 20180622 Termination date: 20210613 |