CN220120328U - Helium leakage detection device for automatic sealing - Google Patents
Helium leakage detection device for automatic sealing Download PDFInfo
- Publication number
- CN220120328U CN220120328U CN202321637467.8U CN202321637467U CN220120328U CN 220120328 U CN220120328 U CN 220120328U CN 202321637467 U CN202321637467 U CN 202321637467U CN 220120328 U CN220120328 U CN 220120328U
- Authority
- CN
- China
- Prior art keywords
- bolt
- fixed
- sealing
- self
- plate
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 239000001307 helium Substances 0.000 title claims abstract description 39
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 39
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 239000000446 fuel Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a helium leak detection device suitable for automatic sealing, which comprises a clamping device, a positioning device and a self-sealing device; the positioning device is fixed on the clamping device through a bolt, and the self-sealing device is fixed on the clamping device through a bolt. The existing oil rail is used for helium leakage detection, the oil inlet seat and the sensor seat need to be screwed with sealing plugs, the efficiency is low, and the risk of thread damage exists; the device adopts the structures of the guide plate, the spring and the cam bearing, so that the oil rail moves transversely and then forwards, the outline size of the device can be reduced, and the device is suitable for the working condition of smaller cavity of helium leak detection equipment. The device eliminates the action of screwing plugs on the oil inlet seats and the sensor seats at the two ends, greatly reduces the operation time and improves the operation efficiency.
Description
Technical Field
The utility model relates to the technical field of self-sealing helium leakage detection, in particular to a helium leakage detection device for automatic sealing.
Background
The oil rail oil inlet seat and the sensor seat are sealed with a screw sealing plug mode with low efficiency, and the risk of damaging threads exists. The helium leak detection equipment has small cavity, adopts a guide plate transverse moving structure, can reduce the size of a helium leak detection device, and is suitable for the helium leak detection equipment with small cavity. The self-sealing mode is changed, so that the problem can be effectively solved, the operation efficiency is improved, and the beat is improved.
Disclosure of Invention
The utility model aims to solve the problem that a sealing plug needs to be screwed when an oil rail is used for helium leakage detection, and provides a helium leakage detection device for automatic sealing.
The aim of the utility model is realized by the following technical scheme:
a helium leak detection device suitable for automatic sealing comprises a clamping device, a positioning device and a self-sealing device; the positioning device is fixed on the clamping device through a bolt, and the self-sealing device is fixed on the clamping device through a bolt.
The clamping device comprises a base, a cam bearing guide rail, a quick elbow clamp, a fuel injector sealing plug and an O-shaped ring; the cam bearing guide rail is fixed on the base through a bolt, the quick elbow clamp is fixed on the base through a bolt, the oil sprayer sealing plug is mounted on the base through a bolt, the O-shaped ring is mounted in the oil sprayer sealing plug groove, and the cam bearing is fixed on the base through a bolt.
The positioning device comprises a positioning seat, a moving plate, a guide rail, a bottom plate, a vertical plate, a sensor sealing plug, a guide plate and a spring; the positioning seat is fixed on the moving plate through a bolt, the moving plate is fixed on the guide rail through a bolt, the guide rail is fixed on the bottom plate through a bolt, the vertical plate is fixed on the bottom plate through a bolt, the sensor sealing plug is fixed on the vertical plate through a bolt, the guide plate is fixed on the moving plate through a bolt, and the spring is installed in the bottom plate hole.
The self-sealing device comprises an upright post, a piston rod, a rear cover, an O-shaped ring and an oil inlet seat sealing plug; the piston rod is installed in the upright post hole, the rear cover is fixed on the upright post through a bolt, the O-shaped ring is installed in the piston rod groove, and the oil inlet seat sealing plug is fixed on the piston rod through a bolt.
The working principle of the device is as follows: the oil rail is placed on the positioning seat of the positioning device, the quick elbow clamp acts, under the action of the guide plate and the cam bearing, the oil rail transversely moves to press the sensor sealing plug, the conical surface of the sensor contacts and seals, and meanwhile, the spring is compressed. And then the injector seat plug is forwards pressed, O-shaped pressed deformation is carried out on the injector seat plug, and the injector seat is sealed. At this time, the oil rail is brought to the helium detection position. And (3) aerating the self-sealing device, moving the piston rod forwards to pre-seal the oil rail, and then filling helium gas and checking. When helium is filled for helium detection, the helium pressure generates thrust on the rear end face of the piston rod, so that the sealing plug of the oil inlet seat on the piston rod compresses the conical surface of the oil inlet seat of the oil rail, and the self-sealing effect is achieved. The greater the helium test pressure is, the greater the thrust generated is, and the better the self-sealing effect is.
Compared with the prior art, the utility model has the technical advantages that:
the device adopts the structures of the guide plate, the spring and the cam bearing, so that the oil rail moves transversely and then forwards, the outline size of the device can be reduced, and the device is suitable for the working condition of smaller cavity of helium leak detection equipment. The device eliminates the action of screwing plugs on the oil inlet seats and the sensor seats at the two ends, greatly reduces the operation time and improves the operation efficiency.
Drawings
FIG. 1 is a schematic diagram of a helium leak detection apparatus for use in automatic sealing;
FIG. 2 is a schematic view of a clamping device;
FIG. 3 is a schematic diagram of a positioning device;
FIG. 4 is a self-sealing schematic;
FIG. 4-1 view A-A in FIG. 4
FIG. 5 is a flow chart of the helium leak detection apparatus of the automatic seal;
the marks in the drawings are:
1, a clamping device; 2, a positioning device; 3 self-sealing device; 4, a base; 5 guide rails; 6, quick elbow clamps; 7, a sealing plug of the oil sprayer; an 8O-shaped ring; 9 cam bearings; 10, positioning seats; 11 moving the plate; 12 guide rails; 13 a bottom plate; 14 vertical plates; 15, a sensor sealing plug; 16 guide plates; 17 springs; 18 upright posts; a 19 piston rod; 20 rear cover; a 21O-ring; 22 oil inlet seat plugs.
Detailed Description
The following provides a specific embodiment of a helium leak detection apparatus for use in automatic sealing according to the present utility model.
Example 1
FIG. 1 is a schematic diagram of an automatic sealing helium leak detection apparatus. Comprises a clamping device 1, a positioning device 2, a self-sealing device 3 and the like; the positioning device 2 is fixed on the clamping device 1 through bolts, and the self-sealing device 3 is fixed on the clamping device 1 through bolts.
Fig. 2 shows a clamping device comprising a base 4, a guide rail 5, a quick toggle clamp 6, a fuel injector seal plug 7,O collar 8, and a cam bearing 9. The guide rail is fixed on the base through a bolt, the quick elbow clamp is fixed on the base through a bolt, the fuel injector sealing plug is mounted on the base through a bolt, the O-shaped ring is mounted in the fuel injector sealing plug groove, and the cam bearing is fixed on the base through a bolt. The quick elbow clamp action on the clamping device moves the oil rail from the placement position to the helium detection position, and enables the plug of the oil sprayer seat to extend into the oil sprayer seat, and the O-shaped ring is pressed and deformed to achieve the sealing effect.
The positioning device of fig. 3 comprises a positioning seat 10, a movable plate 11, a guide rail 12, a bottom plate 13, a vertical plate 14, a sensor sealing plug 15, a guide plate 16 and a spring 17. The positioning seat is fixed on the moving plate through a bolt, the moving plate is fixed on the guide rail through a bolt, the guide rail is fixed on the bottom plate through a bolt, the vertical plate is fixed on the bottom plate through a bolt, the sensor sealing plug is fixed on the vertical plate through a bolt, the guide plate is fixed on the moving plate through a bolt, and the spring is installed in the bottom plate hole. The oil rail is placed on the positioning seat for positioning, and moves transversely and then forwards under the action of the guide plate and the cam bearing to the helium detection position. The structure can reduce the external dimension of the helium leak detection device and is suitable for smaller helium leak detection equipment cavities.
Fig. 4 shows a self-sealing device comprising a post 18, a piston rod 19, a rear cap 20, an o-ring 21, and an oil inlet seat sealing plug 22. The piston rod is installed in the upright post hole, the rear cover is fixed on the upright post through a bolt, the O-shaped ring is installed in the piston rod groove, and the oil inlet seat sealing plug is fixed on the piston rod through a bolt. When helium is filled and detected, the helium pressure generates thrust on the rear end face of the piston rod, so that the piston rod compresses the oil rail, the oil inlet seat plug and the sensor seat plug respectively seal the oil inlet seat and the sensor seat in conical surfaces, a self-sealing effect is achieved, and along with the increase of the helium detection pressure, the greater the thrust is, the better the self-sealing effect is.
FIG. 5 is a flow chart of the operation of the self-sealing helium leak detection unit. The oil rail is put on the positioning seat 10, the quick elbow clamp 6 acts, the oil rail moves transversely and then moves forward to the helium detection position under the action of the guide plate 16, the cam bearing 9 and the spring 17, and the oil injector seat is sealed under the compression deformation of the O-shaped ring 8. The air-filling pushes the piston rod to move forward to pre-press the oil rail, and then helium is introduced to compress the oil rail to realize self-sealing of the conical surfaces of the oil inlet seat and the sensor seat, so that the speed is high and the sealing effect is good. After helium detection is completed, the piston rod retreats, the quick elbow clamp acts, and the oil rail returns to the initial position.
The foregoing description is only a preferred embodiment of the present utility model, and is not limited to the shape of the fuel rail and the number of fuel injector seats, and it should be noted that, for those skilled in the art, modifications and adaptations can be made without departing from the concept of the present utility model, and those modifications and adaptations are intended to be within the scope of the present utility model.
Claims (4)
1. The helium leak detection device suitable for automatic sealing is characterized by comprising a clamping device, a positioning device and a self-sealing device; the positioning device is fixed on the clamping device through a bolt, and the self-sealing device is fixed on the clamping device through a bolt.
2. A helium leak detection unit adapted for self-sealing according to claim 1, wherein said clamping unit comprises a base, a cam bearing rail, a quick toggle clamp, a fuel injector seal plug, and an O-ring; the cam bearing guide rail is fixed on the base through a bolt, the quick elbow clamp is fixed on the base through a bolt, the oil sprayer sealing plug is mounted on the base through a bolt, the O-shaped ring is mounted in the oil sprayer sealing plug groove, and the cam bearing is fixed on the base through a bolt.
3. A helium leak detection apparatus according to claim 1, wherein the positioning means comprises a positioning seat, a moving plate, a guide rail, a bottom plate, a vertical plate, a sensor sealing plug, a guide plate and a spring; the positioning seat is fixed on the moving plate through a bolt, the moving plate is fixed on the guide rail through a bolt, the guide rail is fixed on the bottom plate through a bolt, the vertical plate is fixed on the bottom plate through a bolt, the sensor sealing plug is fixed on the vertical plate through a bolt, the guide plate is fixed on the moving plate through a bolt, and the spring is installed in the bottom plate hole.
4. A helium leak detection unit adapted for self-sealing according to claim 1, wherein said self-sealing unit comprises a post, a piston rod, a rear cap, an O-ring, and an oil inlet seat seal plug; the piston rod is installed in the upright post hole, the rear cover is fixed on the upright post through a bolt, the O-shaped ring is installed in the piston rod groove, and the oil inlet seat sealing plug is fixed on the piston rod through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637467.8U CN220120328U (en) | 2023-06-27 | 2023-06-27 | Helium leakage detection device for automatic sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637467.8U CN220120328U (en) | 2023-06-27 | 2023-06-27 | Helium leakage detection device for automatic sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120328U true CN220120328U (en) | 2023-12-01 |
Family
ID=88913541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321637467.8U Active CN220120328U (en) | 2023-06-27 | 2023-06-27 | Helium leakage detection device for automatic sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120328U (en) |
-
2023
- 2023-06-27 CN CN202321637467.8U patent/CN220120328U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209979143U (en) | Airtightness testing device | |
| CN111256923A (en) | Explosion-proof diesel engine cylinder body crack detection equipment | |
| CN220120328U (en) | Helium leakage detection device for automatic sealing | |
| CN115326316A (en) | Differential pressure type air tightness detection device for steel cylinder | |
| CN107894307B (en) | Vacuum helium detection mechanism for detecting tightness of battery top cover | |
| CN202267582U (en) | Welded pipe ultrahigh pressure hydraulic pressure testing stand | |
| CN106680070B (en) | Compensation type self-sealing head | |
| CN106802216B (en) | Elastic plugging of leak tester | |
| CN215908135U (en) | Energy accumulator workstation for gas-liquid conversion | |
| CN210664951U (en) | Sealing test equipment for locomotive cylinder body | |
| CN109029870B (en) | End cover of ball valve | |
| CN109630392B (en) | Electronic water pump pressure leakage detection method | |
| CN218381429U (en) | Mechanical internal expansion plugging device for pressure detection clamp of engine cylinder body and cylinder cover leak detector | |
| CN219455391U (en) | A compress tightly frock for airtight detection of box work piece | |
| CN111750811A (en) | Pipeline inspection tool and air tightness testing device thereof | |
| CN214200529U (en) | Engine end cone leak hunting mechanism | |
| CN104330251B (en) | Diesel engine hydraulic advance device performance test device and test method | |
| CN215492250U (en) | Automatic shutoff gas tightness testing arrangement of liquid kettle | |
| CN220288893U (en) | High-pressure air tightness test clamping tool for heat exchanger | |
| CN219284536U (en) | Be used for high pressure common rail diesel engine oil rail pressure detection device | |
| CN220542360U (en) | Mechanical seal member gas tightness detection device | |
| CN219328569U (en) | Pressurizing plugging device for helium detection | |
| CN219967724U (en) | Hydraulic cylinder tube air tightness detection clamp | |
| CN211978243U (en) | Explosion-proof diesel engine cylinder body crack detection equipment | |
| CN109356760A (en) | Piezo-electric crystal fuel injector tests chucking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |