CN206694704U - Air pressure reducer - Google Patents
Air pressure reducer Download PDFInfo
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- CN206694704U CN206694704U CN201720433662.7U CN201720433662U CN206694704U CN 206694704 U CN206694704 U CN 206694704U CN 201720433662 U CN201720433662 U CN 201720433662U CN 206694704 U CN206694704 U CN 206694704U
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Abstract
The utility model belongs to gas decompression equipment technical field, it is related to a kind of air pressure reducer, including air inlet pipe joint, the outlet side of air inlet pipe joint and the inlet end of pressure-reducing valve are tightly connected, the outlet side of pressure-reducing valve is tightly connected proportioning valve mounting blocks, proportion of installation valve on proportioning valve mounting blocks, the outlet side of proportioning valve mounting blocks is tightly connected gas channels, the outlet side of gas channels is tightly connected outlet passageway, outlet passageway is tightly connected outlet pipe joint, the pressure detecting interface connection flexible pipe of the outlet passageway, the other end of flexible pipe is connected to a detection mouth of differential pressure pick-up, another detection mouth connection air of differential pressure pick-up.The device can be accurately controlled the gas pressure after decompression and flow velocity.
Description
Technical field
The utility model belongs to gas decompression equipment technical field, is related to a kind of air pressure reducer.
Background technology
In the industrial productions such as pharmacy, food and drink, compressed gas has a wide range of applications.The pressure directly contacted with product
The quality of contracting gas directly affects the quality of product quality, so the quality control to compressed gas has strict requirements,
Wherein particle and microorganism are two important indexs.It can not be determined for determining particle and the detection device of microorganism in gas
Gas with pressure, so just needing an air pressure reducer that compressed gas is decompressed into atmospheric pressure state from high pressure conditions
Afterwards, then to it detect.
The air pressure reducer of prior art, is generally only included：Inlet end, pressure-reducing valve, flowmeter, outlet side.Through decompression
Gas afterwards, its pressure and flow velocity fluctuation range are bigger, can not be precisely controlled.The fluctuation of pressure, easily to detection
The optical component and internal electronic component of instrument cause to damage.Unstable flow velocity, the sampling quantity of detecting instrument may be influenceed
Accuracy.
The content of the invention
For the utility model in view of the above-mentioned problems, providing a kind of air pressure reducer, the device can be to the gas after decompression
Pressure and flow velocity are accurately controlled.
According to the technical solution of the utility model：A kind of air pressure reducer, it is characterised in that：Including air inlet pipe joint,
The outlet side of air inlet pipe joint and the inlet end of pressure-reducing valve are tightly connected, and the outlet side of pressure-reducing valve is tightly connected proportioning valve installation
Block, proportion of installation valve on proportioning valve mounting blocks, the outlet side of proportioning valve mounting blocks are tightly connected gas channels, and gas channels go out
Gas end is tightly connected outlet passageway, and outlet passageway is tightly connected outlet pipe joint, and the pressure detecting interface of the outlet passageway connects
Flexible pipe is connect, the other end of flexible pipe is connected to a detection mouth of differential pressure pick-up, another detection mouth connection of differential pressure pick-up
Air.
As further improvement of the utility model, interconnected air intake duct is set on the proportioning valve mounting blocks and gone out
Air flue, the air inlet of proportioning valve bottom are connected with air intake duct, the gas outlet connection gas off-take of proportioning valve sidepiece.
As further improvement of the utility model, the faying face of the proportioning valve mounting blocks and gas channels sets first
O-ring.
As further improvement of the utility model, the outlet end faces of the gas channels sets closure, closure with
Second O-ring is set between gas channels end face.
As further improvement of the utility model, the inner chamber end of the outlet passageway sets one section of reducing pipe.
As further improvement of the utility model, the inlet end circumferential surface of the air inlet pipe joint sets neck.
As further improvement of the utility model, the extreme circumferential surface engagement of the outlet passageway is connected to escape pipe
In joint.
It is of the present utility model to have technical effect that：Compressed gas can be depressurized into normal pressure shape by the utility model from high pressure conditions
State, and can accurately control the gas pressure and flow of the port of export.Flow is controlled by the way of pressure detecting, avoids inhomogeneity
The gas of type needs the limitation being modified with different parameters because of the difference of the characteristic such as density, specific heat capacity, has operation
Simply, the characteristics of practical.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
In Fig. 1, including air inlet pipe joint 1, pressure-reducing valve 2, proportioning valve 3, proportioning valve mounting blocks 4, air intake duct 4-1, gas off-take
4-2, gas channels 5, the first O-ring 6, closure 7, the second O-ring 8, outlet passageway 9, pressure detecting interface 10, flexible pipe 11,
Differential pressure pick-up 12, outlet pipe joint 13 etc..
As shown in figure 1, the utility model is a kind of air pressure reducer, including air inlet pipe joint 1, air inlet pipe joint 1
Outlet side and the inlet end of pressure-reducing valve 2 are tightly connected, and the outlet side of pressure-reducing valve 2 is tightly connected proportioning valve mounting blocks 4, proportioning valve peace
Proportion of installation valve 3 on block 4 is filled, the outlet side of proportioning valve mounting blocks 4 is tightly connected gas channels 5, and the outlet side of gas channels 5 is close
Envelope connection outlet passageway 9, outlet passageway 9 are tightly connected outlet pipe joint 13, and the pressure detecting interface 10 of the outlet passageway 9 connects
Flexible pipe 11 is connect, the other end of flexible pipe 11 is connected to a detection mouth of differential pressure pick-up 12, another inspection of differential pressure pick-up 12
Survey mouth connection air.
Interconnected air intake duct 4-1 and gas off-take 4-2, the air inlet of the bottom of proportioning valve 3 are set on proportioning valve mounting blocks 4
It is connected with air intake duct 4-1, the gas outlet connection gas off-take 4-2 of the sidepiece of proportioning valve 3.
The faying face of proportioning valve mounting blocks 4 and gas channels 5 sets the first O-ring 6.
The outlet end face of gas channels 5 sets closure 7, and setting second is O-shaped between closure 7 and the end face of gas channels 5
Circle 8.
The inner chamber end of outlet passageway 9 sets one section of reducing pipe.
The inlet end circumferential surface of air inlet pipe joint 1 sets neck, i.e. air inlet pipe joint 1 uses quick connector, convenient high
It is pressed into the dismounting of tracheae.
The extreme circumferential surface engagement of outlet passageway 9 is connected in outlet pipe joint 13.
The course of work of the present utility model is as follows：High-pressure air source connection air inlet pipe joint 1, outlet pipe joint 13, which is connected to, to be adopted
The detection device such as sample device or corpuscular counter.Using detection control circuit, monitored by differential pressure pick-up 12 in outlet passageway 9
Pressure, the opening degree for automatically adjusting proportioning valve 3 is realized, ensure accurately to provide the gas stream required for it for rear end detection device
Amount.Flow is controlled by the way of pressure detecting, avoids different types of gas because the difference of the characteristic such as density, specific heat capacity
And the limitation for needing different modification parameters to bring.
After high-pressure air source enters decompressor, bleed pressure is reduced in 4Bar pressure limit by pressure-reducing valve 2, is played
Protection proportioning valve 3 and the effect for stablizing air pressure.
The pagoda joint that the use of outlet pipe joint 13 can be changed, the detection device that can be connected as needed are suitable with changing
Joint, it might even be possible to changing breeches joint, used simultaneously for two detection devices.
Claims (7)
- A kind of 1. air pressure reducer, it is characterised in that：Including air inlet pipe joint（1）, air inlet pipe joint（1）Outlet side with subtracting Pressure valve（2）Inlet end be tightly connected, pressure-reducing valve（2）Outlet side be tightly connected proportioning valve mounting blocks（4）, proportioning valve mounting blocks （4）Upper proportion of installation valve（3）, proportioning valve mounting blocks（4）Outlet side be tightly connected gas channels（5）, gas channels（5）Go out Gas end is tightly connected outlet passageway（9）, outlet passageway（9）It is tightly connected outlet pipe joint（13）, the outlet passageway（9）Pressure Power detects interface（10）Connection flexible pipe（11）, flexible pipe（11）The other end be connected to differential pressure pick-up（12）A detection mouth, Differential pressure pick-up（12）Another detection mouth connection air.
- 2. air pressure reducer as claimed in claim 1, it is characterised in that：The proportioning valve mounting blocks（4）It is upper to set mutually The air intake duct of connection（4-1）And gas off-take（4-2）, proportioning valve（3）The air inlet and air intake duct of bottom（4-1）It is connected, ratio Valve（3）The gas outlet connection gas off-take of sidepiece（4-2）.
- 3. air pressure reducer as claimed in claim 1, it is characterised in that：The proportioning valve mounting blocks（4）With gas channels （5）Faying face set the first O-ring（6）.
- 4. air pressure reducer as claimed in claim 1, it is characterised in that：The gas channels（5）Outlet end face set Closure（7）, closure（7）With gas channels（5）Second O-ring is set between end face（8）.
- 5. air pressure reducer as claimed in claim 1, it is characterised in that：The outlet passageway（9）Inner chamber end set One section of reducing pipe.
- 6. air pressure reducer as claimed in claim 1, it is characterised in that：The air inlet pipe joint（1）Inlet end circumference Surface sets neck.
- 7. air pressure reducer as claimed in claim 1, it is characterised in that：The outlet passageway（9）Extreme circumferential surface It is connected in outlet pipe joint（13）In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433662.7U CN206694704U (en) | 2017-04-24 | 2017-04-24 | Air pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433662.7U CN206694704U (en) | 2017-04-24 | 2017-04-24 | Air pressure reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694704U true CN206694704U (en) | 2017-12-01 |
Family
ID=60445976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720433662.7U Active CN206694704U (en) | 2017-04-24 | 2017-04-24 | Air pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694704U (en) |
-
2017
- 2017-04-24 CN CN201720433662.7U patent/CN206694704U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220104 Address after: 201914 room a2-3712, No. 58 Fumin Branch Road, Hengsha Township, Chongming District, Shanghai (Shanghai Hengtai Economic Development Zone) Patentee after: Mcweier (Shanghai) Technology Co.,Ltd. Address before: 214192 99 Xishan road three, Xishan Economic Development Zone, Wuxi, Jiangsu Patentee before: WUXI TECHMAC SCIENTIFIC INSTRUMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |