CN210664927U - Airtightness detection work system - Google Patents
Airtightness detection work system Download PDFInfo
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- CN210664927U CN210664927U CN201921352889.4U CN201921352889U CN210664927U CN 210664927 U CN210664927 U CN 210664927U CN 201921352889 U CN201921352889 U CN 201921352889U CN 210664927 U CN210664927 U CN 210664927U
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- supporting plate
- rotating
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- plate
- upper supporting
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides an airtight detection work system, airtight fixture platform, PLC industrial computer, test fixture, gas cylinder are equipped with on the airtight fixture platform and are detected the work piece, and the gas cylinder relief pressure valve is connected to the gas outlet of gas cylinder, and the gas cylinder relief pressure valve passes through the tube coupling test fixture, and test fixture links to each other with being detected the work piece, and test fixture links to each other with the PLC industrial computer; the airtight clamp platform comprises a rotary lifting device, a clamp platform, an edge pressing mechanism and a profiling filling mechanism, the rotary lifting device is provided with the clamp platform, the clamp platform is provided with the edge pressing mechanism and the profiling filling mechanism, and the profiling filling mechanism is used for filling the interior of a detected workpiece. The utility model has the advantages that: the utility model discloses in the principle of advance, reliable, economy, practicality, the characteristics of fully considering the product, accomplish rational arrangement in the design, fully consider the ergonomics, equipment elegant appearance satisfies the product operation requirement, and the operation is reliable, and the security is high, and is easy and simple to handle, and it is convenient to maintain.
Description
Technical Field
The utility model relates to an airtight detection area, more specifically say and relate to an airtight detection work system.
Background
The process of leak detection is manually completed, and the process comprises the following steps: the method comprises the steps of manual work of placing a workpiece on site, starting leak detection after the workpiece is placed in place, pressing a clamp, automatic plugging, inflating, manual leak detection, alarming, marking a mark, finishing detection, opening the clamp, manually taking out the workpiece and the like, but when the method is used for carrying out air tightness test, the operation is complex; and the air tightness problem which can be found is very limited only by observing the air bubbles by naked eyes.
Disclosure of Invention
The utility model overcomes not enough among the prior art provides an airtight detection work system.
The purpose of the utility model is realized by the following technical scheme.
The gas tightness detection system comprises a gas tightness detection working system, a gas tightness clamp platform, a PLC industrial personal computer, a test tool and a gas cylinder, wherein a detected workpiece is arranged on the gas tightness clamp platform, a gas outlet of the gas cylinder is connected with a hydrogen pressure reducing valve, the gas cylinder pressure reducing valve is connected with the test tool through a pipeline, the test tool is connected with the detected workpiece, and the test tool is connected with the PLC industrial personal computer;
the airtight clamp platform comprises a rotary lifting device, a clamp platform, an edge pressing mechanism and a profiling filling mechanism, the rotary lifting device is provided with the clamp platform, the clamp platform is provided with the edge pressing mechanism and the profiling filling mechanism, and the profiling filling mechanism fills the interior of the detected workpiece;
the edge pressing mechanism comprises a cylinder, a connecting piece, a plugging rubber sheet and a plugging clamp, the cylinder passes through the connecting piece and is connected with the plugging rubber sheet, the plugging rubber sheet and the plugging clamp are used for plugging a gas outlet of a detected workpiece, an air inlet is formed in the connecting piece and is connected with a gas cylinder through an air inlet pipeline, the air inlet pipeline is connected with the leak detector, and the cylinder is connected with the PLC through an electromagnetic valve.
Further, the rotary lifting device comprises a rotating part and a supporting part, wherein the rotating part comprises a rotating bottom plate, a rotating shaft, a rotating sleeve and a rotating platform;
the rotating shaft is connected to the upper end face of the rotating bottom plate; the rotating sleeve is sleeved on the rotating shaft and is in rotating fit with the rotating shaft; a plurality of bearings are arranged between the rotating shaft and the rotating sleeve; the middle part of the lower end surface of the rotating platform is connected with the upper end of the rotating sleeve; when the rotating sleeve rotates around the rotating shaft, the rotating platform rotates around the rotating shaft along with the rotating sleeve;
the supporting part comprises an upper supporting plate, and an upper supporting plate groove is formed in the upper end surface of the upper supporting plate in a downward concave mode; the rotary bottom plate is in clamping fit with the upper supporting plate groove.
Furthermore, the upper supporting plate is a rectangular plate, and the lower ends of the two sides of the upper supporting plate are respectively connected with upper supporting plate side plates which are perpendicular to the upper supporting plate;
the lower supporting plate is a rectangular plate, and the upper ends of the two sides of the lower supporting plate are respectively connected with lower supporting plate side plates which correspond to the upper supporting plate side plates and are arranged perpendicular to the lower supporting plate;
the telescopic connecting device comprises two upper sliding rods, two lower sliding rods, upper supporting plate side sliding grooves which are arranged at two ends of each upper supporting plate side plate in a hollow manner, lower supporting plate side sliding grooves which are arranged at two ends of each lower supporting plate side plate in a hollow manner, and four side supporting components;
the two ends of the upper sliding rod are respectively in sliding fit with the side sliding grooves of the upper supporting plate at the same end of the side plates of the two upper supporting plates; the two ends of the lower sliding rod are respectively in sliding fit with the lower support plate side sliding grooves at the same ends of the two lower support plate side plates;
each side support assembly comprises two side support struts; the middle part of one side supporting strip in the same side supporting assembly is rotatably connected with the middle part of the other side supporting strip;
one end of one side supporting strip in the same side supporting assembly is rotatably connected with the middle part of the side plate of the upper supporting plate, the other end of the side supporting strip is rotatably connected with one end of the lower sliding rod, one end of the other side supporting strip is rotatably connected with the middle part of the side plate of the lower supporting plate, and the other end of the side supporting strip is rotatably connected with one end of the upper sliding rod;
when the upper sliding rod and the lower sliding rod face or are far away from the middle part of the upper supporting plate and the middle part of the lower supporting plate slide, the height of the telescopic connecting device is made to rise or fall, and therefore the upper supporting plate is driven to rise or fall.
Furthermore, the telescopic connecting device also comprises a screw rod and an upper fixing rod, wherein two ends of the upper fixing rod are respectively and fixedly connected to the inner sides of the middle parts of the side plates of the two upper supporting plates; the upper fixing rod is sleeved with an upper fixing rod connecting piece, and the two upper sliding rods are respectively sleeved with an upper sliding rod connecting piece;
the screw rod penetrates through the upper fixed rod connecting piece and the two upper sliding rod connecting pieces and is in threaded connection, and the rotating directions of the internal threads of the two upper sliding rod connecting pieces are opposite;
when the lead screw is relative when going up the dead lever connecting piece and rotating, drive two go up the dead lever connecting piece and keep away from each other or be close to drive go up the backup pad and rise or descend.
Furthermore, at least one end of the screw rod is fixedly connected with a rocker for lengthening the length of the rotating force arm of the screw rod.
Further, the area of the rotating platform is larger than that of the upper supporting plate.
Furthermore, a plurality of handles are uniformly connected to the lower end of the edge of the rotating platform at intervals.
Further, the test tool comprises a high-voltage test tool and a bottom test tool.
Further, the high-pressure test tool comprises a first pressure regulating valve and a first electromagnetic valve; the first pressure regulating valve is connected with a first electromagnetic valve, and the first electromagnetic valve is connected with a high-pressure control button.
Further, the low-pressure test tool comprises a second pressure regulating valve, an air tightness instrument and a second electromagnetic valve; the second pressure regulating valve is connected with an air tightness instrument, and the air tightness instrument is connected with a second electromagnetic valve; the second solenoid valve is arranged in the low-pressure test pipeline.
The utility model has the advantages that:
the test platform is provided with two test tools, namely a high-voltage test tool and a low-voltage test tool, so that tests with different requirements can be met aiming at different test workpieces;
the profiling filling mechanism reduces the volume of the inner cavity of the detected workpiece and improves the detection precision;
integrated pressure display is carried out by setting a PLC industrial personal computer; pressure detection and control are realized through a PLC industrial personal computer, a pressure sensor and an electromagnetic valve; the operation is simple, the judgment by manpower is not needed, and the test result is accurate;
the utility model discloses in the principle of advance, reliable, economy, practicality, the characteristics of fully considering the product, accomplish rational arrangement in the design, fully consider the ergonomics, equipment elegant appearance satisfies the product operation requirement, and the operation is reliable, and the security is high, and is easy and simple to handle, and it is convenient to maintain.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the rotary lifting device;
FIG. 3 is a perspective view of a rotating shaft of the rotary lifting device;
FIG. 4 is a perspective view of a support part of the rotary lifting device;
FIG. 5 is a schematic view of the gas path of the high pressure test fixture;
FIG. 6 is a schematic view of the gas path of the low pressure test fixture;
FIG. 7 is a schematic view of the edge hold-down mechanism;
in the figure:
1. rotating the base plate; 2. a rotating shaft; 3. a rotating sleeve; 4. rotating and flattening; 5. a rotating part universal wheel; 6. an upper support plate;
6.1, an upper supporting plate groove; 6.2, upper supporting plate side plates; 6.3, side sliding grooves of the upper supporting plate; 7. a lower support plate;
7.1, a lower supporting plate side plate; 7.2, sliding the lower support plate side; 9. an upper fixing rod; 10. a lower fixing rod;
11. a sliding rod is arranged; 12. a lower sliding rod; 13. an upper fixing rod connecting piece; 14. an upper sliding bar attachment; 15. a screw rod;
15.1, a rocker; 16. a side support assembly; 16.1, side branch struts; 17. a gas cylinder; 18. a gas cylinder pressure reducing valve; 19.
a first pressure regulating valve; KM1, a first electromagnetic valve; 20. a high pressure exhaust valve; 21. a filter; 22. detecting a workpiece;
23. a second pressure regulating valve; 24. an air-tight instrument; KM2 and a second electromagnetic valve; 25. a low pressure exhaust valve;
26. an airtight clamp platform; 27. a rotary lifting device; 28. plugging clips; 29. a workpiece support device;
30. a connecting member; 31. plugging a rubber sheet; 32. an air inlet; 33. detecting a workpiece; 34. and a cylinder.
Detailed Description
The technical solution of the present invention is further explained by the following specific examples.
The air tightness detection working system shown in the figures 1-7 comprises an air tightness clamp platform 26, a PLC industrial personal computer, a test tool and an air bottle 17, wherein 5% of hydrogen and 95% of nitrogen are filled in the air bottle 17, a detected workpiece is arranged on the air tightness clamp platform 26, an air outlet of the air bottle 17 is connected with an air bottle pressure reducing valve 18, the air bottle pressure reducing valve 18 is connected with the test tool through a pipeline, the test tool is connected with the detected workpiece 22, and the test tool is connected with the PLC industrial personal computer;
the airtight clamp platform comprises a rotary lifting device 27, a clamp platform, an edge pressing mechanism and a profiling filling mechanism, wherein the rotary lifting device 27 is provided with the clamp platform, the clamp platform is provided with the edge pressing mechanism and the profiling filling mechanism, and the profiling filling mechanism is used for filling the inside of the detected workpiece 22. The clamp platform in the utility model is used for fixing the detected workpiece 22, and the clamp platform is not improved; the copying filling mechanism is used for filling the interior of the detected workpiece 22, and the copying filling mechanism is not improved;
the edge pressing mechanism comprises a cylinder 34, a connecting piece 30, a plugging rubber sheet 31 and a plugging clamp 28, the cylinder 34 is connected with the plugging rubber sheet 31 through the connecting piece 30, the plugging rubber sheet 31 and the plugging clamp 28 plug a gas outlet of a detected workpiece 33, a gas inlet 32 is arranged on the connecting piece 30, the gas inlet 32 is connected with a gas cylinder through a gas inlet pipeline, the gas inlet pipeline is connected with the leak detector 1, and the cylinder 34 is connected with the PLC through an electromagnetic valve.
The rotary lifting device 27 includes a rotary part and a support part, the rotary part includes a rotary base plate 1, a rotary shaft 2, a rotary sleeve 3 and a rotary platform 4; the rotating shaft 2 is connected to the upper end surface of the rotating bottom plate 1; the rotating sleeve 3 is sleeved on the rotating shaft 2 and is in rotating fit with the rotating shaft 2; a plurality of bearings are arranged between the rotating shaft 2 and the rotating sleeve 3; the middle part of the lower end surface of the rotary platform 4 is connected with the upper end of the rotary sleeve 3; when the rotary sleeve 3 rotates around the rotating shaft 2, the rotary platform 4 rotates around the rotating shaft 2 along with the rotary sleeve 3;
the supporting part comprises an upper supporting plate 6, and an upper supporting plate groove 6.1 is formed on the upper end surface of the upper supporting plate 6 in a downward concave mode; the rotating bottom plate 1 is matched with the upper supporting plate groove 6.1 in a clamping way.
The upper supporting plate 6 is a rectangular plate, and the lower ends of the two sides of the upper supporting plate 6 are respectively connected with upper supporting plate side plates 6.2 which are arranged perpendicular to the upper supporting plate 6;
the lower supporting plate 7 is a rectangular plate, and the upper ends of the two sides of the lower supporting plate 7 are respectively connected with lower supporting plate side plates 7.1 which correspond to the upper supporting plate side plates 6.2 and are arranged perpendicular to the lower supporting plate 7;
the telescopic connecting device comprises two upper sliding rods 11, two lower sliding rods 12, an upper supporting plate side sliding groove 6.3 which is arranged at the two ends of each upper supporting plate side plate 6.2 in a hollow manner, a lower supporting plate side 7 sliding groove 7.2 which is arranged at the two ends of each lower supporting plate side plate 7.1 in a hollow manner, and four side supporting components 16;
two ends of the upper slide bar 11 are respectively in sliding fit with upper supporting plate side grooves 6.3 positioned at the same ends of the two upper supporting plate side plates 6.2; two ends of the lower sliding rod 12 are respectively in sliding fit with lower support plate side sliding grooves 7.2 positioned at the same ends of the two lower support plate side plates 7.1;
each side support assembly 16 comprises two side support struts 6.1; the middle part of one side supporting strip 6.1 in the same side supporting component 16 is rotatably connected with the middle part of the other side supporting strip 6.1;
one end of one side supporting strip 6.1 in the same side supporting assembly 16 is rotatably connected with the middle part of the upper supporting plate side plate 6.2, the other end of the side supporting strip is rotatably connected with one end of the lower sliding rod 12, one end of the other side supporting strip 16.1 is rotatably connected with the middle part of the lower supporting plate side plate 7.1, and the other end of the side supporting strip is rotatably connected with one end of the upper sliding rod 11;
when the upper sliding rod 11 and the lower sliding rod 12 slide towards or away from the middle part of the upper supporting plate 6 and the middle part of the lower supporting plate 7, the height of the telescopic connecting device is raised or lowered, so that the upper supporting plate 6 is driven to be raised or lowered.
The telescopic connecting device also comprises a screw rod 15 and an upper fixing rod 9, wherein two ends of the upper fixing rod are respectively fixedly connected to the inner sides of the middle parts of the two upper supporting plate side plates 6.2; the upper fixing rod 9 is sleeved with an upper fixing rod connecting piece 13, and two upper sliding rods 11 are respectively sleeved with an upper sliding rod connecting piece 14;
the screw rod 15 passes through the upper fixed rod connecting piece 13 and the two upper sliding rod connecting pieces 14 and is in threaded connection, and the rotating directions of the internal threads of the two upper sliding rod connecting pieces 14 are opposite;
when the screw rod 15 rotates relative to the upper fixed rod connector 13, the two upper fixed rod connectors 14 are driven to move away from or close to each other, so that the upper support plate 6 is driven to ascend or descend.
At least one end of the screw rod 15 is fixedly connected with a rocker 15.1 used for lengthening the length of the rotating arm of force of the screw rod 15.
The area of rotary platform 4 is greater than last backup pad 6, and rotary platform 4 edge lower extreme is evenly spaced connection has a plurality of handle, test fixture includes high-pressure test fixture and the beneath test fixture.
The high-pressure test tool comprises a first pressure regulating valve 19 and a first electromagnetic valve KM 1; the first pressure regulating valve 19 is connected to a first solenoid valve KM1, and the first solenoid valve KM1 is connected to a high-pressure control button.
The low-pressure test tool comprises a second pressure regulating valve 23, an air tightness instrument 24 and a second electromagnetic valve KM 2; the second pressure regulating valve 23 is connected with an air tightness instrument 24 which is connected with a second electromagnetic valve 23; a second solenoid valve KM2 was provided in the low pressure test line.
It should be noted that, as shown in fig. 5, when the workpiece 22 to be tested is subjected to a pressure test, if the high pressure test is performed, the air inlet of the workpiece 22 to be tested needs to be connected to the high pressure test pipeline; specifically, the air inlet of the workpiece 22 to be detected can be connected with the air outlet of the filter 21, and a high-pressure exhaust valve 20 is further arranged between the air outlet of the filter 21 and the workpiece 22 to be detected; it should be noted that, in order to further monitor the pressure value in the high-pressure pipeline in real time, a digital display pressure gauge is fixedly connected between the detected workpiece 22 and the first electromagnetic valve KM1 through a flange.
As shown in fig. 6, if the low pressure test is performed, the air inlet of the detected workpiece 22 needs to be connected into the low pressure test pipeline; specifically, the air inlet of the workpiece 22 to be detected may be connected to the air outlet of the filter 21, and a low-pressure exhaust valve 25 may be further provided between the air outlet of the filter 21 and the air inlet of the workpiece 22 to be detected.
The working process is as follows: when the robot is used, the robot is matched, a workpiece is placed through the robot (positioning pins are accurately positioned), after the workpiece is in place, detection is started, a clamp is compressed, air is inflated, balance (voltage stabilization) is achieved, results are output and stored, the clamp is opened, and the robot takes out the workpiece.
The robot can place a workpiece, and is not an improvement point of the patent.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. Airtight detection work system, its characterized in that: the gas cylinder pressure reducing valve is connected with the test tool through a pipeline, the test tool is connected with the detected workpiece, and the test tool is connected with the PLC industrial personal computer;
the airtight clamp platform comprises a rotary lifting device, a clamp platform, an edge pressing mechanism and a profiling filling mechanism, the rotary lifting device is provided with the clamp platform, the clamp platform is provided with the edge pressing mechanism and the profiling filling mechanism, and the profiling filling mechanism fills the interior of the detected workpiece;
the edge pressing mechanism comprises a cylinder, a connecting piece, a plugging rubber sheet and a plugging clamp, the cylinder passes through the connecting piece and is connected with the plugging rubber sheet, the plugging rubber sheet is plugged at a gas outlet of a detected workpiece, the connecting piece is provided with a gas inlet, the gas inlet is connected with a gas cylinder through a gas inlet pipeline, the gas inlet pipeline is connected with a leak detector, and the cylinder is connected with the PLC through a solenoid valve.
2. The airtightness detection work system according to claim 1, wherein: the rotary lifting device comprises a rotating part and a supporting part, wherein the rotating part comprises a rotating bottom plate, a rotating shaft, a rotating sleeve and a rotating platform;
the rotating shaft is connected to the upper end face of the rotating bottom plate; the rotating sleeve is sleeved on the rotating shaft and is in rotating fit with the rotating shaft; a plurality of bearings are arranged between the rotating shaft and the rotating sleeve; the middle part of the lower end surface of the rotating platform is connected with the upper end of the rotating sleeve; when the rotating sleeve rotates around the rotating shaft, the rotating platform rotates around the rotating shaft along with the rotating sleeve;
the supporting part comprises an upper supporting plate, and an upper supporting plate groove is formed in the upper end surface of the upper supporting plate in a downward concave mode; the rotary bottom plate is in clamping fit with the upper supporting plate groove.
3. The airtightness detection work system according to claim 2, wherein: the upper supporting plate is a rectangular plate, and the lower ends of the two sides of the upper supporting plate are respectively connected with upper supporting plate side plates which are perpendicular to the upper supporting plate;
the lower supporting plate is a rectangular plate, and the upper ends of the two sides of the lower supporting plate are respectively connected with lower supporting plate side plates which correspond to the upper supporting plate side plates and are arranged perpendicular to the lower supporting plate;
the telescopic connecting device comprises two upper sliding rods, two lower sliding rods, upper supporting plate side sliding grooves which are arranged at two ends of each upper supporting plate side plate in a hollow manner, lower supporting plate side sliding grooves which are arranged at two ends of each lower supporting plate side plate in a hollow manner, and four side supporting components;
the two ends of the upper sliding rod are respectively in sliding fit with the side sliding grooves of the upper supporting plate at the same end of the side plates of the two upper supporting plates; the two ends of the lower sliding rod are respectively in sliding fit with the lower support plate side sliding grooves at the same ends of the two lower support plate side plates;
each side support assembly comprises two side support struts; the middle part of one side supporting strip in the same side supporting assembly is rotatably connected with the middle part of the other side supporting strip;
one end of one side supporting strip in the same side supporting assembly is rotatably connected with the middle part of the side plate of the upper supporting plate, the other end of the side supporting strip is rotatably connected with one end of the lower sliding rod, one end of the other side supporting strip is rotatably connected with the middle part of the side plate of the lower supporting plate, and the other end of the side supporting strip is rotatably connected with one end of the upper sliding rod;
when the upper sliding rod and the lower sliding rod face or are far away from the middle part of the upper supporting plate and the middle part of the lower supporting plate slide, the height of the telescopic connecting device is made to rise or fall, and therefore the upper supporting plate is driven to rise or fall.
4. The airtightness detection work system according to claim 3, wherein: the telescopic connecting device also comprises a screw rod and an upper fixing rod, wherein two ends of the upper fixing rod are respectively and fixedly connected to the inner sides of the middle parts of the side plates of the two upper supporting plates; the upper fixing rod is sleeved with an upper fixing rod connecting piece, and the two upper sliding rods are respectively sleeved with an upper sliding rod connecting piece;
the screw rod penetrates through the upper fixed rod connecting piece and the two upper sliding rod connecting pieces and is in threaded connection, and the rotating directions of the internal threads of the two upper sliding rod connecting pieces are opposite;
when the lead screw is relative when going up the dead lever connecting piece and rotating, drive two go up the dead lever connecting piece and keep away from each other or be close to drive go up the backup pad and rise or descend.
5. The airtightness detection work system according to claim 4, wherein: at least one end of the screw rod is fixedly connected with a rocker for lengthening the length of the rotating force arm of the screw rod.
6. The airtightness detection work system according to any one of claims 2 to 5, wherein: the area of the rotary platform is larger than that of the upper supporting plate.
7. The airtightness detection work system according to claim 6, wherein: the lower end of the edge of the rotating platform is evenly connected with a plurality of handles at intervals.
8. The airtightness detection work system according to claim 1, wherein: the test tool comprises a high-voltage test tool and a low-voltage test tool.
9. The airtightness detection work system according to claim 8, wherein: the high-pressure test tool comprises a first pressure regulating valve and a first electromagnetic valve; the first pressure regulating valve is connected with a first electromagnetic valve, and the first electromagnetic valve is connected with a high-pressure control button.
10. The airtightness detection work system according to claim 8, wherein: the low-pressure test tool comprises a second pressure regulating valve, an air tightness instrument and a second electromagnetic valve; the second pressure regulating valve is connected with an air tightness instrument, and the air tightness instrument is connected with a second electromagnetic valve; the second solenoid valve is arranged in the low-pressure test pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352889.4U CN210664927U (en) | 2019-08-20 | 2019-08-20 | Airtightness detection work system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352889.4U CN210664927U (en) | 2019-08-20 | 2019-08-20 | Airtightness detection work system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210664927U true CN210664927U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921352889.4U Expired - Fee Related CN210664927U (en) | 2019-08-20 | 2019-08-20 | Airtightness detection work system |
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| Country | Link |
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| CN (1) | CN210664927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008483A (en) * | 2021-03-03 | 2021-06-22 | 浙江捷众科技股份有限公司 | Air tightness high-precision test bench for motor cover |
-
2019
- 2019-08-20 CN CN201921352889.4U patent/CN210664927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008483A (en) * | 2021-03-03 | 2021-06-22 | 浙江捷众科技股份有限公司 | Air tightness high-precision test bench for motor cover |
| CN113008483B (en) * | 2021-03-03 | 2023-03-28 | 浙江捷众科技股份有限公司 | Air tightness high-precision test bench for motor cover |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 |