CN207366154U - A kind of leak test device of inlet manifold - Google Patents
A kind of leak test device of inlet manifold Download PDFInfo
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- CN207366154U CN207366154U CN201721324807.6U CN201721324807U CN207366154U CN 207366154 U CN207366154 U CN 207366154U CN 201721324807 U CN201721324807 U CN 201721324807U CN 207366154 U CN207366154 U CN 207366154U
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- inlet manifold
- test device
- leak test
- plug
- positioning pattern
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Abstract
The utility model provides a kind of leak test device of inlet manifold, is related to a kind of leak test device.It solves the problems, such as that inlet manifold is complicated in the prior art and is not easy to detect air-tightness.The leak test device of this inlet manifold, include the positioning pattern of fixed inlet manifold, positioning pattern is fixed in positioning pattern fixed plate, positioning pattern above be provided with can relative positioning pattern move up and down upper fixture, the compression bar that can suppress inlet manifold is provided with the upper fixture and closes the blind flange that the telescoping mechanism control of air throttle is stretched, outer expansion plug is provided with the upper fixture, further include the inflation being connected for inlet manifold chamber with package seal checker and detect plug, the inflation detection plug is controlled by telescoping mechanism.It is simple in structure to the air-leakage test of inlet manifold that the utility model utilizes the equipment of mechanization easily to realize, easy to operate, cost is low.
Description
Technical field
The utility model belongs to air-leakage test technical field, is related to a kind of leak test device, a kind of particularly air inlet
The leak test device of menifold.
Background technology
Inlet manifold needs to carry out air-leakage test before dispatching from the factory, but inlet manifold is complicated, is brought to detection
Inconvenience, so needing a kind of detection of effective mechanical equipment progress inlet manifold.
Utility model content
The purpose of this utility model is that there are the above problem for existing technology, it is proposed that a kind of leakage of inlet manifold
Test equipment, the leak test device of this inlet manifold can easily realize the air-leakage test to inlet manifold.
The purpose of this utility model can be realized by following technical proposal：A kind of leak test device of inlet manifold,
Include the positioning pattern of fixed inlet manifold, positioning pattern is fixed in positioning pattern fixed plate, is provided with above positioning pattern
Can relative positioning pattern move up and down upper fixture, the compression bar that can suppress inlet manifold and closing section are provided with the upper fixture
The telescoping mechanism of valve controls flexible blind flange, is provided with outer expansion plug in the upper fixture, further includes for air inlet
The inflation detection plug that menifold chamber is connected with package seal checker, the inflation detection plug are controlled by telescoping mechanism.
During detection, inlet manifold is placed on positioning pattern and is fixed, upper fixture, which pushes, causes compression bar from top top pressure
Firmly inlet manifold, corresponds to plug stretching at the hole of inlet manifold and blocks hole, inflation detects plug to inlet manifold intracavitary
Gas is squeezed into, then for a period of time, air-tightness is good if pressure does not change explanation for pressurize.Blind flange is flush end plug,
It is smooth perforate for blocking port surface.
In the leak test device of above-mentioned inlet manifold, the outer expansion plug includes the body of rod in one, the interior body of rod
One end is provided with block body, and elastic ring is cased with the interior body of rod on block body top, outer tube is cased with the interior body of rod on elastic ring top, stretches
The body of rod and outer tube relative motion elasticity of compression circle in contracting mechanism controls, so that swell of the elastic ring in radial direction.For port
The perforate of face out-of-flatness, during work, which is extend into the hole of perforate, elastic ring is pressed against in radial direction swell
The internal face of hole, so that perforate be sealed.
In the leak test device of above-mentioned inlet manifold, the compression bar is slidably disposed in casing, the pressure
Buffer spring is provided between bar and sleeve bottom.Because of plastic part product as the change of weather, each press fitting hole surface have
The difference of height of depth, using the compressibility of spring pressure bar, carries out the automatic compensation of a height, does not have to often adjustment compression bar so
Total length, improve the serious forgiveness of equipment.
In the leak test device of above-mentioned inlet manifold, the inflation detection plug is a cylindrical body, is examined with sealing
The inner cavity for surveying the tubular body end of device connection is hierarchic structure, receives in the port of the cylindrical body other end, is set in the port of interior receipts
Flexible circle, is provided with an inner tube in cylindrical body, and one end of said inner tube is contacted with elastic ring, and the other end of said inner tube is set
There is the size two-piston coordinated with the ladder-type structure chamber inside cylindrical body, the chamber coordinated with big piston is connected pressure through barrel
Contracting gas control equipment, controls inner tube to be moved along tubular intracoelomic cavity, inner tube is with respect to cylinder by controlling the entrance of compressed gas
The movement of shape body can realize extruding to elastic ring, so that elastic ring is along cylindrical body radially-inwardly swell.Inflation detection is stifled
Head is suitable for being provided with the situation of ozzle on inlet manifold, and especially towards irregular tiny ozzle, ozzle is inserted with
Elastic ring port, the inside swell of elastic ring are examined so as to fulfill the sealed connection of inflation detection plug and ozzle so as to fulfill sealing
The unicom of device and ozzle is surveyed, gas is then squeezed into check air-tightness into cylinder intake menifold assembly by ozzle.
In the leak test device of above-mentioned inlet manifold, the blind flange by spring supporting on the supporting plate,
So that plug has certain elastic floating ability, it is more advantageous to adapting to the needs of closure, the support plate is arranged on gas
The cylinder piston end, is provided with pilot hole in support plate, the slidable guide rod for passing through pilot hole on blind flange.
Compared with prior art, the leak test device of this inlet manifold has the following advantages：
The utility model can easily realize the air-leakage test structure letter to inlet manifold using the equipment of mechanization
Single, easy to operate, cost is low.
Brief description of the drawings
Fig. 1 is the structure diagram of inlet manifold；
Fig. 2 is the structure diagram of the utility model；
Fig. 3 is the schematic diagram positioned at pattern；
Fig. 4 is the structure diagram of compression bar；
Fig. 5 is the structure diagram of blind flange；
Fig. 6 is the structure diagram of outer expansion plug；
Fig. 7 is the schematic cross-sectional view of outer expansion plug；
Fig. 8 is the structure diagram of connection end；
Fig. 9 is the structure diagram of connection end upper end；
Figure 10 is the schematic cross-sectional view of connection end bottom.
In figure, inlet manifold 1, air throttle 101, atomizer mounting hole 102, crankcase vent valve connector 103, positioning are leaned on
Mould 2, positioning pattern fixed plate 3, compression bar 4, casing 401, buffer spring 402, blind flange 5, floating spring 501, support plate
502nd, guide rod 503, outer expansion plug 12, cap-shaped body 12.1, elastic ring 12.2, outer tube 12.3, the interior body of rod 12.4, pneumatic cylinder
12.5th, connection end 13, test gas entrance 13.1, driving gas access holes 13.2, valve piston 13.3, big piston 13.4,
Elastic ring 13.5, cylindrical body 13.6, inner tube 13.7.
Embodiment
It is specific embodiment of the utility model below, and the technical solution of the utility model is made further with reference to attached drawing
Description, but the utility model is not limited to these embodiments.
Embodiment
As shown in Figure 1, inlet manifold 1 has air throttle 101, air throttle is the hole with flange, thus use and its
Flush end blind flange closure with similar structure, 3 sprays being arranged in order are additionally provided with the edge of inlet manifold bottom
Oil nozzle mounting hole 102, the hole are used to belong to the hole on wall, so being sealed suitable for outer expansion plug, the bent axle on inlet manifold
Case ventilation valve connector 103 is used to connect inflation test lead.
As shown in Figure 2,3, the leak test device of inlet manifold includes the positioning pattern 2 of fixed inlet manifold, and positioning is leaned on
Mould is fixed in positioning pattern fixed plate 3, be provided with above positioning pattern can relative positioning pattern move up and down upper fixture, for gas
Cylinder pressure controls the plate body to move up and down, and the compression bar 4 that can suppress inlet manifold and closing air throttle are provided with the upper fixture
The flexible blind flange 5 of telescoping mechanism control, be provided with outer expansion plug in the upper fixture, further include for inlet manifold
The inflation detection plug that chamber is connected with package seal checker, the inflation detection plug is controlled by telescoping mechanism, for getting lodged in
Crankcase vent valve connector.
During detection, inlet manifold is placed on positioning pattern and is fixed, inlet manifold cavity bottom is positioned pattern and consolidates
Fixed board seals, and upper fixture pushes so that compression bar suppresses inlet manifold from top, and plug stretches out at the hole of corresponding inlet manifold
Hole is blocked, inflation detection plug squeeze into gas to inlet manifold intracavitary, then pressurize for a period of time, if pressure does not become
It is good to change explanation air-tightness.Blind flange is flush end plug, is smooth perforate for blocking port surface.
Further, as shown in Figure 6,7, the outer expansion plug 12 includes the body of rod 12.4 in one, and one end of the interior body of rod is set
There is block body, the block body is the cap-shaped body 12.1 for being fixed on rod end, and elastic ring is cased with the interior body of rod on cap-shaped body top
12.2, cap-shaped body realizes the stop to elastic ring, is cased with outer tube 12.3 on the interior body of rod on elastic ring top, the interior body of rod is connected to
It is connected on the piston of pneumatic cylinder 12.5 with outer tube on the cylinder body of hydraulic cylinder, control pressure cylinder stretches, and makes the interior body of rod relatively outer
Sleeve movement is so as to extruding elasticity of compression circle, so that elastic ring is in radial direction swell,
Further, as shown in figure 4, the compression bar 4 is slidably disposed in casing 401, the compression bar and sleeve bottom
Between be provided with buffer spring 402.Because of plastic part product as the change of weather, each press fitting hole surface have the height of depth
Difference, using the compressibility of spring pressure bar, carries out the automatic compensation of a height, does not have to the total length of often adjustment compression bar so,
Improve the serious forgiveness of equipment.
Further, as shown in Figure 8,9, 10, the inflation detection plug 13 is a cylindrical body 13.6, inflation detection plug one
End is provided with test gas entrance 13.1, and for being connected with package seal checker, the other end is used to be connected with ozzle.With sealing
The tubular intracoelomic cavity of that one end of detection device connection is hierarchic structure cavity, is set in the port of the cylindrical body other end flexible
Circle 13.5, which is interior closing in, i.e., port is slightly shunk, and port is smaller than interior tubular intracoelomic cavity, to block elastic ring, cylinder
An inner tube 13.7 is provided with shape body, one end of said inner tube is contacted with elastic ring.The other end of said inner tube is provided with and cylinder
Driving is provided with the size two-piston that ladder-type structure chamber inside shape body coordinates, with the chamber barrel of big piston 13.4 cooperation
Gas access holes 13.2, connects compressed gas control device, and compressed air promotes big living from driving gas access holes into chamber
Plug tube shape intracoelomic cavity moves forward, even if inner tube travels forward, inner tube can be realized with respect to cylindrical body movement and elastic ring is squeezed
Pressure, so that elastic ring is along cylindrical body radially-inwardly swell.Valve piston 13.3 prevents from detecting when inner tube from moving relative to cylindrical body
Gas and driving gas unicom, inflation detection plug are arranged on traversing pneumatic cylinder, and traversing pneumatic cylinder is arranged on lifter plate,
Traversing pneumatic cylinder mobile aeration detection plug makes ozzle be inserted with elastic ring port, and the inside swell of elastic ring is so as to fulfill filling
Gas detects the sealed connection of plug and ozzle, so as to fulfill the unicom of package seal checker and ozzle, then by ozzle into
Gas is squeezed into gas menifold to check air-tightness
Further, as shown in figure 5, the blind flange 5 is supported in support plate 502 by floating spring 501, so that
Obtaining plug has certain elastic floating ability, is more advantageous to adapting to the needs of closure, and the support plate is arranged on cylinder piston
End, is provided with pilot hole in support plate, the slidable guide rod 503 for passing through pilot hole on blind flange.
Although some terms are used more herein, it does not preclude the possibility of using other terms.Use these
Term is used for the purpose of more easily describing and explaining the essence of the utility model；It is construed as the limit that any type is added
System is all contrary to the spirit of the present invention.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of leak test device of inlet manifold, includes the positioning pattern of fixed inlet manifold, it is fixed that positioning pattern is fixed on
Position pattern fixed plate on, it is characterised in that positioning pattern above be provided with can relative positioning pattern move up and down upper fixture, it is described
The compression bar that can suppress inlet manifold is provided with upper fixture and closes the blind flange that the telescoping mechanism control of air throttle is stretched,
Outer expansion plug is provided with the upper fixture, further includes the inflation inspection being connected for inlet manifold chamber with package seal checker
Plug is surveyed, the inflation detection plug is controlled by telescoping mechanism.
2. the leak test device of inlet manifold according to claim 1, it is characterised in that the outer expansion plug includes
The body of rod in one, one end of the interior body of rod are provided with block body, elastic ring, the interior bar on elastic ring top are cased with the interior body of rod on block body top
It is cased with outer tube on body, the body of rod and outer tube relative motion elasticity of compression circle in telescoping mechanism control.
3. the leak test device of inlet manifold according to claim 1, it is characterised in that the compression bar is slidably set
Put in casing, buffer spring is provided between the compression bar and sleeve bottom.
4. the leak test device of inlet manifold according to claim 1, it is characterised in that the inflation detects plug and is
One cylindrical body, the inner cavity for the tubular body end being connected with package seal checker is hierarchic structure, is received in the port of the cylindrical body other end,
Elastic ring is provided with the port of interior receipts, an inner tube is provided with cylindrical body, one end of said inner tube is contacted with elastic ring, described
The other end of inner tube is provided with the size two-piston coordinated with the ladder-type structure chamber inside cylindrical body, the chamber coordinated with big piston
Room connects compressed gas control device through barrel.
5. the leak test device of inlet manifold according to claim 1, it is characterised in that the blind flange passes through bullet
Spring supports on the supporting plate, and the support plate is arranged on cylinder piston end, is provided with pilot hole in support plate, on blind flange
The slidable guide rod for passing through pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721324807.6U CN207366154U (en) | 2017-10-13 | 2017-10-13 | A kind of leak test device of inlet manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721324807.6U CN207366154U (en) | 2017-10-13 | 2017-10-13 | A kind of leak test device of inlet manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366154U true CN207366154U (en) | 2018-05-15 |
Family
ID=62348263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721324807.6U Active CN207366154U (en) | 2017-10-13 | 2017-10-13 | A kind of leak test device of inlet manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366154U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556803A (en) * | 2018-11-19 | 2019-04-02 | 神通科技集团股份有限公司 | A kind of inlet manifold leaks test device and test method |
| CN109596283A (en) * | 2018-11-19 | 2019-04-09 | 神通科技集团股份有限公司 | A kind of inlet manifold leaks test equipment and test method |
| CN110514358A (en) * | 2019-08-22 | 2019-11-29 | 王友猛 | A kind of exhaust pipe leakage tester |
-
2017
- 2017-10-13 CN CN201721324807.6U patent/CN207366154U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556803A (en) * | 2018-11-19 | 2019-04-02 | 神通科技集团股份有限公司 | A kind of inlet manifold leaks test device and test method |
| CN109596283A (en) * | 2018-11-19 | 2019-04-09 | 神通科技集团股份有限公司 | A kind of inlet manifold leaks test equipment and test method |
| CN110514358A (en) * | 2019-08-22 | 2019-11-29 | 王友猛 | A kind of exhaust pipe leakage tester |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315408 No. 788 Tanjialing West Road, Lanjiang Street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Shentong Science and Technology Group Co., Ltd. Address before: 315408 788 Tanjialing West Road, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Ningbo Shentong Mould & Plastic Co., Ltd. |