CN204717182U - Gas-liquid sealing joint and motor - Google Patents
Gas-liquid sealing joint and motor Download PDFInfo
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- CN204717182U CN204717182U CN201520277800.8U CN201520277800U CN204717182U CN 204717182 U CN204717182 U CN 204717182U CN 201520277800 U CN201520277800 U CN 201520277800U CN 204717182 U CN204717182 U CN 204717182U
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- gas
- liquid sealing
- sealing joint
- fuel chamber
- pipe
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Abstract
The utility model discloses a kind of gas-liquid sealing joint and motor, this gas-liquid sealing joint offers through fuel chamber, gas-liquid sealing joint head end comprises the pipe nipple for being connected with exterior line, and fuel chamber is greater than at the internal diameter at gas-liquid sealing joint tail end place the fuel pipe that the internal diameter at pipe nipple place stretches into hold the external world.The inwall of fuel chamber is provided with two and supports fuel pipe outer wall for forming the seal ring of sealing configuration with fuel pipe, and the inwall of fuel chamber offers the detect aperture of through gas-liquid sealing joint outer wall between two seal rings, and detect aperture is sealed by movable cock body.During detection, extracted by movable cock body and detect aperture is communicated with fuel chamber inwall, if having overflow or gas effusion in fuel chamber, then seal ring is poorly sealed, and gas-liquid sealing joint exists leakage problem.Gas-liquid sealing joint structure of the present utility model is simply compact, without the need to by whole gas-liquid sealing joint disassembly, just can detect seal ring position fast and easily and whether there is leakage hidden danger.
Description
Technical field
The utility model relates to aeroengine field, especially, relates to a kind of gas-liquid sealing joint.In addition, the invention still further relates to a kind of motor comprising above-mentioned gas-liquid sealing joint.
Background technique
In aeroengine combustion lubricating oil and air system, many pipelines are through that engine crankcase is connected with exterior line, between pipeline, the normal ordinary couplings on flanged limit that adopts connects, the flange edge of joint is connected on the fitting seat of casing, joint one end and pipeline adopt rubber sealing, and the other end is connected with line seal joint.
The hidden danger of leaking is there is in this pipeline jointing construction at two positions, one is SEALING FITTING connection part, this place leaks and can observe in pipeline outside, two is rubber sealing positions, because this place leaks at flanged joint inner, there is inconvenience and detect the defect found, affect the quick investigation of the work of motor normal safe and engine failure.
Model utility content
The utility model provides a kind of gas-liquid sealing joint and motor, whether leaks to solve existing pipeline jointing construction rubber sealing position the technical problem being not easy to detect.
The utility model provides a kind of gas-liquid sealing joint on the one hand, gas-liquid sealing joint offers through fuel chamber, gas-liquid sealing joint head end comprises the pipe nipple for being connected with exterior line, and fuel chamber is greater than at the internal diameter at gas-liquid sealing joint tail end place the fuel pipe that the internal diameter at pipe nipple place stretches into hold the external world.
The inwall of fuel chamber is provided with two and supports fuel pipe outer wall for forming the seal ring of sealing configuration with fuel pipe, and the inwall of fuel chamber offers the detect aperture of through gas-liquid sealing joint outer wall between two seal rings, and detect aperture is sealed by movable cock body.
Further, the outer wall of pipe nipple is provided with screw thread.
Further, detect aperture and fuel chamber vertical connection.
Further, detect aperture is extending out formation connection mouth near gas-liquid sealing joint outer wall place, and movable cock body is arranged in connection mouth.
Further, the inwall of connection mouth is provided with internal thread, and movable cock body comprises packing ring and the screw with screw-internal thread fit.
Further, the inwall of fuel chamber is provided with two for installing the seal groove of seal ring.
Further, the tail end of pipe joint also comprises sealing gasket, and the inner edge of sealing gasket is provided with annular protrusion, and annular protrusion extends in the seal groove of pipe joint tail end, and offsets with seal ring.
Further, seal ring is rubber seal.
According to another aspect of the present utility model, additionally provide a kind of motor, comprise casing and above-mentioned gas-liquid sealing joint, casing comprises fuel pipe, and fuel pipe stretches in the fuel chamber of gas-liquid sealing joint.
The utility model has following beneficial effect: pipe nipple is connected with exterior line, and extraneous fuel pipe stretches into the gas-liquid sealing joint tail end of gas-liquid sealing joint.Two seal rings of fuel chamber inwall form sealing to fuel pipe.During detection, extracted by movable cock body and detect aperture is communicated with fuel chamber inwall, if having overflow or gas effusion in fuel chamber, then illustrating that seal ring is poorly sealed, there is leakage problem in gas-liquid sealing joint.Gas-liquid sealing joint structure of the present utility model is simply compact, without the need to by whole gas-liquid sealing joint disassembly, just can detect seal ring position fast and easily and whether there is leakage hidden danger.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the gas-liquid sealing joint schematic diagram of the utility model preferred embodiment;
Fig. 2 is the motor schematic diagram of the utility model preferred embodiment.
Description of reference numerals: 100, fuel chamber; 200, pipe nipple; 300, fuel pipe; 400, detect aperture; 500, sealing gasket; 600, casing; 110, seal ring; 120, seal groove; 410, movable cock body; 420, connection mouth; 411, packing ring; 412, screw; 510, annular protrusion.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
With reference to Fig. 1, preferred embodiment of the present utility model provides the utility model and provides a kind of gas-liquid sealing joint on the one hand, gas-liquid sealing joint offers through fuel chamber 100, gas-liquid sealing joint head end comprises the pipe nipple 200 for being connected with exterior line, and fuel chamber 100 is greater than at the internal diameter at gas-liquid sealing joint tail end place the fuel pipe 300 that the internal diameter at pipe nipple 200 place stretches into hold the external world.The inwall of fuel chamber 100 is provided with two and supports fuel pipe 300 outer wall for forming the seal ring 110 of sealing configuration with fuel pipe 300, the inwall of fuel chamber 100 offers the detect aperture 400 of through gas-liquid sealing joint outer wall between two seal rings 110, and detect aperture 400 is sealed by movable cock body 410.
Gas-liquid sealing joint is provided with through pipeline, forms the fuel chamber 100 that fuel oil passes through.Pipe nipple 200 general with external pipe as transport pipe is connected.Fuel chamber 100 is less at the internal diameter at gas-liquid sealing joint tail end place, fuel oil is under pressure and becomes large ejection.Fuel pipe 300 is outside element, and stretch into fuel chamber 100 from gas-liquid sealing joint tail end, its outer wall is supported by two seal rings 110 of fuel chamber 100, has completely cut off the gap between fuel chamber 100 inwall and fuel pipe 300 outer wall, forms sealing configuration.Detect aperture 400 is communicated with fuel chamber 100, and the position of opening on fuel chamber 100 inwall wall between two seal rings 110, another opening is positioned at fuel pipe 300 outer wall wall.Detect aperture 400 can vertically with fuel chamber 100 arrange or be obliquely installed at an angle.Movable cock body 410 forms drive fit with detect aperture 400, makes detect aperture 400 be in closed state, makes gas-liquid sealing joint under engine operating state, and normality is run.When movable cock body 410 is extracted, making detect aperture 400 be in open state, whether there is the problem of seal ring 110 leakage for detecting gas-liquid sealing joint.Motor, when stand or ground run, can open movable cock body 410, checks the sealing effect of SEALING FITTING, thus stops the generation of leakage of oil or principal fault.
The utility model has following beneficial effect: pipe nipple 200 is connected with exterior line, and extraneous fuel pipe 300 stretches into the gas-liquid sealing joint tail end of gas-liquid sealing joint.Two seal rings, 110 pairs of fuel pipes 300 of fuel chamber 100 inwall form sealing.During detection, extracted by movable cock body 410 and detect aperture 400 is communicated with fuel chamber 100 inwall, if having overflow or gas effusion in fuel chamber 100, then illustrating that seal ring 110 is poorly sealed, there is leakage problem in gas-liquid sealing joint.Gas-liquid sealing joint structure of the present utility model is simply compact, without the need to by whole gas-liquid sealing joint disassembly, just can detect seal ring 110 position fast and easily and whether there is leakage hidden danger.
Alternatively, with reference to Fig. 1, the outer wall of pipe nipple 200 is provided with screw thread, forms the joint being used for being connected with external pipe.The cylindrical of pipe nipple 200 is provided with screw thread, makes gas-liquid sealing joint and the mode compact siro spinning technology of exterior line by being spirally connected, simultaneously convenient disassembly.
Alternatively, with reference to Fig. 1, detect aperture 400 and fuel chamber 100 vertical connection, when fuel chamber 100 inwall between two seal rings 110 exists liquid, liquid easily flows out in detect aperture 400, enhances sensitivity and the detection speed of detection.
Alternatively, with reference to Fig. 1, detect aperture 400 is extending out formation connection mouth 420 near gas-liquid sealing joint outer wall place, movable cock body 410 is arranged in connection mouth 420.The larger connection mouth in aperture 420 is set, makes to coordinate with it movable cock body 410 volume comparatively large, be convenient to capture force, operate more convenient.Slip cock body is arranged at pipe adapter outer wall one end, is convenient to capture.
Alternatively, with reference to Fig. 1, the inwall of connection mouth 420 is provided with internal thread, and movable cock body 410 comprises packing ring 411 and the screw 412 with screw-internal thread fit.Screw 412 and attachment hole are spirally connected, and form sealing to connection mouth 420.Screw 412 and detect aperture 400 compact siro spinning technology, make gas-liquid sealing joint under engine operating state, more stable, convenient disassembly when simultaneously detecting.
Alternatively, with reference to Fig. 1, the inwall of fuel chamber 100 is provided with two for installing the seal groove 120 of seal ring 110.Be provided with seal groove 120, seal ring 110 is arranged in seal groove 120, makes fuel chamber 100 inner structure compact, and seal groove 120 and seal ring 110 area of contact are larger, therefore better tightness.
Alternatively, with reference to Fig. 1, the tail end of pipe joint also comprises sealing gasket 500, and the inner edge of sealing gasket 500 is provided with annular protrusion 510, and annular protrusion 510 extends in the seal groove 120 of pipe joint tail end, and offsets with seal ring 110.The internal diameter of fuel chamber 100 expands the seal groove 120 near pipe joint tail end, and annular protrusion 510 rises up in sealing groove 120 from pipe joint tail end, and its outer wall and fuel chamber 100 inwall offset, and forms sealing.Seal ring 110 simultaneously in annular protrusion 510 end and sealing groove 120 offsets, and makes sealing circle 110 produce certain deformation and swells, closely abut, enhance sealing effect with fuel pipe 300.
Alternatively, with reference to Fig. 1, seal ring 110 is rubber seal.Rubber seal is flexible structure, has larger deformation quantity, good sealing effect, and especially when the tail end of pipe joint also comprises sealing gasket 500, under the compressing of annular protrusion 510, rubber seal swells obviously, and sealing effect is better.
According to another aspect of the present utility model, additionally provide a kind of motor, see figures.1.and.2, comprise casing 600 and above-mentioned gas-liquid sealing joint, casing 600 comprises fuel pipe 300, and fuel pipe 300 stretches in the fuel chamber 100 of gas-liquid sealing joint.
The inside of gas-liquid sealing joint is connected with engine interior fuel pipe 300, and outside gas-liquid sealing joint is connected with oil inlet pipe.Be provided with amplifier in casing 600, diffuser exit is hyperbaric chamber.It is inner that seal ring 110 near interface tube can prevent the fuel oil of fuel pipe 300 from entering casing 600, and the seal ring 110 near gas-liquid sealing joint tail end can prevent internal high-pressure gas from overflowing.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a gas-liquid sealing joint, it is characterized in that, described gas-liquid sealing joint offers through fuel chamber (100), described gas-liquid sealing joint head end comprises the pipe nipple (200) for being connected with exterior line, and described fuel chamber (100) is greater than at the internal diameter at described gas-liquid sealing joint tail end place the fuel pipe (300) that the internal diameter at described pipe nipple (200) place stretches into hold the external world;
The inwall of described fuel chamber (100) is provided with two seal rings (110) supporting described fuel pipe (300) outer wall and be used for being formed with described fuel pipe (300) sealing configuration, the inwall of described fuel chamber (100) offers the detect aperture (400) of through described gas-liquid sealing joint outer wall between described two seal rings (110), and described detect aperture (400) is sealed by movable cock body (410).
2. gas-liquid sealing joint according to claim 1, is characterized in that, the outer wall of described pipe nipple (200) is provided with screw thread.
3. gas-liquid sealing joint according to claim 1, is characterized in that, described detect aperture (400) and described fuel chamber (100) vertical connection.
4. gas-liquid sealing joint according to claim 1, it is characterized in that, described detect aperture (400) is extending out formation connection mouth (420) near described gas-liquid sealing joint outer wall place, and described movable cock body (410) is arranged in described connection mouth (420).
5. gas-liquid sealing joint according to claim 4, it is characterized in that, the inwall of described connection mouth (420) is provided with internal thread, and described movable cock body (410) comprises packing ring (411) and the screw (412) with described screw-internal thread fit.
6. gas-liquid sealing joint according to claim 1, is characterized in that, the inwall of described fuel chamber (100) is provided with two for installing the seal groove (120) of seal ring (110).
7. gas-liquid sealing joint according to claim 6, it is characterized in that, the tail end of described pipe joint also comprises sealing gasket (500), the inner edge of described sealing gasket (500) is provided with annular protrusion (510), described annular protrusion (510) extends in the described seal groove (120) of described pipe joint tail end, and offsets with described seal ring (110).
8. the gas-liquid sealing joint according to any one of claim 1 ~ 7, is characterized in that, described seal ring (110) is rubber seal.
9. a motor, it is characterized in that, comprise casing (600) and the gas-liquid sealing joint according to any one of claim 1 ~ 8, described casing (600) comprises fuel pipe (300), and described fuel pipe (300) stretches in the fuel chamber (100) of described gas-liquid sealing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277800.8U CN204717182U (en) | 2015-05-04 | 2015-05-04 | Gas-liquid sealing joint and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277800.8U CN204717182U (en) | 2015-05-04 | 2015-05-04 | Gas-liquid sealing joint and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204717182U true CN204717182U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520277800.8U Active CN204717182U (en) | 2015-05-04 | 2015-05-04 | Gas-liquid sealing joint and motor |
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| CN (1) | CN204717182U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050809A (en) * | 2016-07-18 | 2016-10-26 | 天津优瑞纳斯液压机械有限公司 | Ultra-high-pressure anti-explosion structure with transition joint |
| CN106195476A (en) * | 2016-07-08 | 2016-12-07 | 北京动力机械研究所 | A kind of nested sealer with assembled for minor diameter straight section pipeline |
| CN109563795A (en) * | 2016-07-29 | 2019-04-02 | 索格菲进气与冷却系统简易股份公司 | Air inlet distributor with integrated heat exchanger |
| CN112576850A (en) * | 2021-01-07 | 2021-03-30 | 安徽工程大学 | Sealing element for aviation pipeline |
| CN114559000A (en) * | 2022-03-03 | 2022-05-31 | 中钢设备有限公司 | Thin strip steel continuous casting equipment and crystallization roller thereof |
-
2015
- 2015-05-04 CN CN201520277800.8U patent/CN204717182U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195476A (en) * | 2016-07-08 | 2016-12-07 | 北京动力机械研究所 | A kind of nested sealer with assembled for minor diameter straight section pipeline |
| CN106195476B (en) * | 2016-07-08 | 2018-11-20 | 北京动力机械研究所 | A kind of nested sealer with assembled for minor diameter straight section pipeline |
| CN106050809A (en) * | 2016-07-18 | 2016-10-26 | 天津优瑞纳斯液压机械有限公司 | Ultra-high-pressure anti-explosion structure with transition joint |
| CN109563795A (en) * | 2016-07-29 | 2019-04-02 | 索格菲进气与冷却系统简易股份公司 | Air inlet distributor with integrated heat exchanger |
| CN109563795B (en) * | 2016-07-29 | 2021-07-06 | 索格菲进气与冷却系统简易股份公司 | Intake air distributor with integrated heat exchanger |
| CN112576850A (en) * | 2021-01-07 | 2021-03-30 | 安徽工程大学 | Sealing element for aviation pipeline |
| CN114559000A (en) * | 2022-03-03 | 2022-05-31 | 中钢设备有限公司 | Thin strip steel continuous casting equipment and crystallization roller thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |