CN207946201U - A kind of air-leakage test instrument - Google Patents
A kind of air-leakage test instrument Download PDFInfo
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- CN207946201U CN207946201U CN201820390234.5U CN201820390234U CN207946201U CN 207946201 U CN207946201 U CN 207946201U CN 201820390234 U CN201820390234 U CN 201820390234U CN 207946201 U CN207946201 U CN 207946201U
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Abstract
The utility model discloses a kind of air-leakage test instrument, including admission line, control gas circuit, inflation gas circuit and valve block；The control gas circuit and the inflation gas circuit are connect with the admission line；The valve block is equipped with inlet chamber and outlet chamber, and inlet chamber is equipped with air inlet and inflation connector, and outlet chamber is equipped with air inlet connector, pressure sensor connector and test connector；The air inlet of inlet chamber is connect with inflation gas circuit, and inflation connector is connected with charge valve；The air inlet connector of outlet chamber is connected with isolating valve, and test connector is connected with test pipeline, and pressure sensor connector is connected with pressure sensor；Charge valve is connected with isolating valve by connecting pipe, and charge valve and isolating valve are connect with control gas circuit.The utility model is convenient for workpiece safely, quickly, accurately, reliably test, and ensure that the airtight property amount of workpiece, ensure that the normal work that workpiece uses in the later stage.
Description
Technical field
The utility model is related to detecting instrument technical fields, and in particular to a kind of air-leakage test instrument.
Background technology
Air-leakage test instrument is also known as leaks tester, is primarily adapted for use in food, pharmacy, medical instrument, daily use chemicals, vapour
The leakage test of packaging bag, bottle, pipe, tank, the box of the industries such as vehicle, electronic component, stationery, consumer electronics etc..Currently, airtight
Property detecting instrument in casting, blown article, weldment, adhesive, closed workpiece, be threadedly coupled part, stamping parts, assembly parts etc.
In test process, there is the bad phenomenon of air-tightness often in the workpiece after test, occurs various events when to cause subsequently to use
Barrier.It would therefore be highly desirable to propose detecting instrument, to workpiece safely, quickly, accurately, reliably test, ensure the airtight of workpiece
Property amount.
Utility model content
In view of the deficienciess of the prior art, the technical problem to be solved by the present invention is to provide a kind of air-leakage tests
Instrument ensure that the airtight property amount of workpiece, ensure that work convenient for workpiece safely, quickly, accurately, reliably test
The normal work that part uses in the later stage.
The utility model provides a kind of air-leakage test instrument, including admission line, control gas circuit, inflation gas circuit and valve
Block；The control gas circuit and the inflation gas circuit are connect with the admission line；The valve block is equipped with inlet chamber and outlet chamber,
Inlet chamber is equipped with air inlet and inflation connector, and outlet chamber is equipped with air inlet connector, pressure sensor connector and test
Connector；The air inlet of inlet chamber is connect with inflation gas circuit, and inflation connector is connected with charge valve；The air inlet connector of outlet chamber
It is connected with isolating valve, test connector is connected with test pipeline, and pressure sensor connector is connected with pressure sensor；Charge valve
It is connected by connecting pipe with isolating valve, and charge valve and isolating valve are connect with control gas circuit.
Preferably, the outlet chamber is equipped with exhaust connector, and exhaust connector is connected with air bleeding valve, air bleeding valve and control
Gas circuit connects, and air bleeding valve is equipped with discharge duct.
Preferably, the outlet chamber is equipped with calibration connector, and calibration connector is equipped with calibration pipeline.
Preferably, the outlet side of the admission line is equipped with current divider, controls gas circuit and inflation gas circuit connects with current divider
It connects.
Preferably, the inlet end of the admission line is equipped with bigeminy part.
Preferably, the inflating air road is equipped with precise pressure-reducing valve.
Preferably, the inflating air road is equipped with pressure regulator valve.
Preferably, air-leakage test instrument further includes babinet, control unit and display screen, control gas circuit, inflation gas circuit and
Valve block is arranged in babinet, and pressure sensor and display screen are electrically connected with control unit.
The beneficial effects of the utility model：
1. being designed by the inlet chamber and outlet chamber of valve block, inlet chamber and outlet chamber are independent from each other, when inflation, gas
Enter isolating valve by charge valve, enters back into outlet chamber, and then workpiece is inflated and is tested by testing pipeline, abandon
The design that traditional inlet chamber is connected to outlet chamber ensure that convenient for workpiece safely, quickly, accurately, reliably test
The airtight property amount of workpiece ensure that the normal work that workpiece uses in the later stage.
2. test signal is sent in control unit by pressure sensor, control unit will treated that signal is sent to is aobvious
Display screen is presented on a display screen with image curve and pressure/flow numerical value change, is observed convenient for people real-time in test process
Data.
Description of the drawings
Fig. 1 is the pneumatic flow chart of the present embodiment；
Fig. 2 is the structural schematic diagram of the present embodiment valve block.
Reference numeral：1- admission lines, 11- current dividers, 12- bigeminy parts, 2- control gas circuit, and 3- inflates gas circuit, and 31- is accurate
Pressure reducing valve, 32- pressure regulator valves, 4- valve blocks, 41- inlet chambers, 411- air inlets, 412- inflate connector, 42- outlet chambers, 421- into
Gas connector, 422- pressure sensor connectors, 423- test connector, and 424- is vented connector, and 425- calibrates connector,
426- calibrates pipeline, 5- charge valves, 6- isolating valves, 7- test pipelines, 8- pressure sensors, 9- air bleeding valves, 91- discharge ducts
Specific implementation mode
The embodiment of technical solutions of the utility model is described in detail below in conjunction with attached drawing.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and this practicality cannot be limited with this
Novel protection domain.
As depicted in figs. 1 and 2, the utility model discloses a kind of air-leakage test instruments, including admission line 1, control
Gas circuit 2, inflation gas circuit 3 and valve block 4；Control gas circuit 2 and inflation gas circuit 3 are connect with admission line 1；Valve block 4 is equipped with inlet chamber
41 and outlet chamber 42, inlet chamber 41 is equipped with air inlet 411 and inflation connector 412, and outlet chamber 42 is equipped with air inlet connector
421, pressure sensor connector 422 and test connector 423；The air inlet 411 of inlet chamber 41 is connect with inflation gas circuit 3, is filled
Gas connector 412 is connected with charge valve 5；The air inlet connector 421 of outlet chamber 42 is connected with isolating valve 6, and test connector 423 connects
It is connected to test pipeline 7, pressure sensor connector 422 is connected with pressure sensor 8；Charge valve 5 and isolating valve 6 pass through connecting tube
Road connects, and charge valve and 5 isolating valves 6 are connect with control gas circuit 2.Control gas circuit 2 is for controlling charge valve 5 and isolating valve 6
Opening and closing.When tested, charge valve and 5 isolating valves 6 are opened, gas passes through admission line 1, inflation gas circuit 3, inlet chamber successively
41, charge valve 5, isolating valve 6 and outlet chamber 42 are inflated by testing pipeline 7 to workpiece for measurement again, after inflation, are closed
Charge valve 5 observes the change of the atmospheric pressure and flow in outlet chamber 42, test pipeline 7 and workpiece for measurement by pressure sensor 8
Change, and then judges whether workpiece for measurement is qualified.
Wherein, inlet chamber 41 and outlet chamber 42 design of valve block 4 so that inlet chamber 41 and outlet chamber 42 are mutual indepedent
, when inflation, gas enters isolating valve 6 by charge valve 5, enters back into outlet chamber 42, has abandoned traditional inlet chamber and outlet
The design of chamber connection, is linked using isolating valve 6 and charge valve 5 by connecting pipe, when the generation gas leakage of charge valve 5, when detection
Isolating valve 6 can be closed, to reach the good detection to air tightness of workpiece, the detectable number of design of charge valve 5 and isolating valve 6
Duplicate protection is played according to the authenticity of acquisition；The repair and replacement time caused by 5 gas leakage of charge valve is avoided simultaneously, to ensure
Detection efficiency, realize to workpiece carry out safely, quickly, accurately, reliable test, ensure that the airtight property amount of workpiece,
It ensure that the normal work that workpiece uses in the later stage.
Specifically, outlet chamber 42 is equipped with exhaust connector 424, exhaust connector 424 is connected with air bleeding valve 9, air bleeding valve 9
It is connect with control gas circuit 2, and air bleeding valve 9 is equipped with discharge duct 91.Control gas circuit 2 is used to control the folding of air bleeding valve 9, test
When air bleeding valve 9 be kept closed, test heel row air valve 9 unlatching, workpiece and test pipeline 7 in gas through 9 He of air bleeding valve
Discharge duct 91 is discharged, and to avoid when replacing workpiece workpiece because the barotropic gas inside it is ejected, and causes accident
Injury, to ensure that the safety of operating personnel.Outlet chamber 42 is equipped with calibration connector 425, calibrates and is set on connector 425
There is calibration pipeline 426.It calibrates connector 425 and calibrates the design of pipeline 426, calibrating installation is docked convenient for calibration pipeline 426, into
And effectively check the phenomenon that outlet chamber 42, charge valve 5, isolating valve 6 and air bleeding valve 9 whether there is gas leakage, while further
Detect the precision of each component, and then the measuring accuracy of preferably control workpiece.
In addition, the outlet side of admission line 1 is equipped with current divider 11, controls gas circuit 2 and inflation gas circuit 3 connects with current divider 11
It connects.Traffic organising gas circuit 2 and inflation gas circuit 3 are steadily distinguished in the design of current divider 11 convenient for the gas through admission line 1.Into
The inlet end of feed channel 1 is equipped with bigeminy part 12, and bigeminy part 12 includes air filter and pressure reducing valve, and air filter is convenient for filtering
Impurity in gas ensures to enter the gas cleannes in valve block 4 and workpiece；The pressure that pressure reducing valve conveys convenient for adjusting gas,
It ensure that the stability in gas transmission process.It inflates gas circuit 3 and is equipped with precise pressure-reducing valve 31, further in inflation gas circuit 3
Gas carry out reduced pressure treatment, reduce impact of the inflation 3 exit gas of gas circuit to the inlet chamber 41 of valve block 4, improve valve block 4
The stability of interior gas transport.It inflates gas circuit 3 and is equipped with pressure regulator valve 32, be convenient for according to actual conditions, to the gas in inflation gas circuit 3
Pressure value is adjusted, and ensures the stability of gas flowing in inflation gas circuit 3.
In the present embodiment, air-leakage test instrument further includes babinet, control unit and display screen, control gas circuit 2, inflating air
Road 3 and valve block 4 are arranged in babinet, and pressure sensor 8 and display screen are electrically connected with control unit.Pressure sensor 8 will
Test signal is sent in control unit, and control unit will treated that signal is sent to display screen, with image curve and pressure/
Flow number variation is presented on a display screen, and the real time data in test process is observed convenient for people.Operator's member is according to correlation
Data, can set the upper limit value and lower limiting value of pressure/flow numerical value on the control unit by display screen, and pressure when test/
Flow number is then qualified products in the section of upper limit value and lower limiting value；Conversely, being then bad products.
Finally it should be noted that：The basic principles and main features and this practicality of the utility model has been shown and described above
Novel advantage, it is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments,
And without departing substantially from the spirit or essential attributes of the utility model, this practicality can be realized in other specific forms
It is novel.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality
Novel range is indicated by the appended claims rather than the foregoing description, it is intended that by falling in the equivalent requirements of the claims
All changes in meaning and scope are embraced therein.Any reference numeral in claim should not be considered as limit
The involved claim of system.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. a kind of air-leakage test instrument, it is characterised in that：Including admission line, control gas circuit, inflation gas circuit and valve block；
The control gas circuit and the inflation gas circuit are connect with the admission line；
The valve block be equipped with inlet chamber and outlet chamber, inlet chamber be equipped with air inlet and inflation connector, outlet chamber be equipped with into
Gas connector, pressure sensor connector and test connector；The air inlet of inlet chamber is connect with inflation gas circuit, inflates connector
It is connected with charge valve；The air inlet connector of outlet chamber is connected with isolating valve, and test connector is connected with test pipeline, pressure sensing
Device connector is connected with pressure sensor；Charge valve is connected with isolating valve by connecting pipe, and charge valve and isolating valve with
Control gas circuit connection.
2. air-leakage test instrument according to claim 1, it is characterised in that：The outlet chamber is equipped with exhaust and connects
Mouthful, exhaust connector is connected with air bleeding valve, and air bleeding valve is connect with control gas circuit, and air bleeding valve is equipped with discharge duct.
3. air-leakage test instrument according to claim 1, it is characterised in that：The outlet chamber is equipped with calibration and connects
Mouthful, calibration connector is equipped with calibration pipeline.
4. air-leakage test instrument according to claim 1, it is characterised in that：The outlet side of the admission line, which is equipped with, to be divided
Device is flowed, gas circuit is controlled and inflation gas circuit is connect with current divider.
5. air-leakage test instrument according to claim 1, it is characterised in that：The inlet end of the admission line is equipped with two
Join part.
6. air-leakage test instrument according to claim 1, it is characterised in that：The inflating air road is equipped with accurate decompression
Valve.
7. air-leakage test instrument according to claim 1, it is characterised in that：The inflating air road is equipped with pressure regulator valve.
8. air-leakage test instrument according to any one of claims 1 to 7, it is characterised in that：Further include babinet, control list
Member and display screen, control gas circuit, inflation gas circuit and valve block are arranged in babinet, and pressure sensor and display screen are single with control
Member electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390234.5U CN207946201U (en) | 2018-03-21 | 2018-03-21 | A kind of air-leakage test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390234.5U CN207946201U (en) | 2018-03-21 | 2018-03-21 | A kind of air-leakage test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207946201U true CN207946201U (en) | 2018-10-09 |
Family
ID=63698310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820390234.5U Active CN207946201U (en) | 2018-03-21 | 2018-03-21 | A kind of air-leakage test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207946201U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375458A (en) * | 2018-03-21 | 2018-08-07 | 重庆安木科技有限公司 | A kind of air-leakage test instrument |
| CN110104208A (en) * | 2019-05-09 | 2019-08-09 | 中国飞机强度研究所 | A kind of air inflation discharging control device |
| CN116293477A (en) * | 2023-05-17 | 2023-06-23 | 福建福清核电有限公司 | Protection device for pressurizing test pipe fitting, pressurizing test pipe fitting and pressurizing device |
-
2018
- 2018-03-21 CN CN201820390234.5U patent/CN207946201U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375458A (en) * | 2018-03-21 | 2018-08-07 | 重庆安木科技有限公司 | A kind of air-leakage test instrument |
| CN110104208A (en) * | 2019-05-09 | 2019-08-09 | 中国飞机强度研究所 | A kind of air inflation discharging control device |
| CN116293477A (en) * | 2023-05-17 | 2023-06-23 | 福建福清核电有限公司 | Protection device for pressurizing test pipe fitting, pressurizing test pipe fitting and pressurizing device |
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