CN201731204U - Oil pipe assembly for being connected with fuel oil server of aircraft engine - Google Patents
Oil pipe assembly for being connected with fuel oil server of aircraft engine Download PDFInfo
- Publication number
- CN201731204U CN201731204U CN2010201717911U CN201020171791U CN201731204U CN 201731204 U CN201731204 U CN 201731204U CN 2010201717911 U CN2010201717911 U CN 2010201717911U CN 201020171791 U CN201020171791 U CN 201020171791U CN 201731204 U CN201731204 U CN 201731204U
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- CN
- China
- Prior art keywords
- oil pipe
- oil
- fuel oil
- ozzle
- engine fuel
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses an oil pipe assembly for being connected with a fuel oil server of an aircraft engine, which comprises an oil pipe (1). Both ends of the oil pipe (1) are respectively connected with pipe joint assemblies. The outside of the oil pipe (1) is provided with a fireproof sleeve (2). Both ends of the fireproof sleeve (2) are connected with inner cone nozzles (4) on the pipe joint assemblies by hooping rings (3). The oil pipe (1) is a flexible rubber hose made of a polyfluortetraethylene rubber tube. The outside of the flexible rubber hose is provided with a stainless steel screen. The fireproof sleeve (2) is a high temperature resistance fireproof tube made of a fiberglass mesh and a fluorinated silicone rubber material. The oil pipe assembly can be suitable for the fuel oil conveying requirements in the fuel oil server of the aircraft engine, makes fuel oil meet the requirements on leakage prevention and fire prevention at high temperature and under high pressure, guarantees that in case of an accident, the aircraft engine is difficult to leak oil and is not burnt in the environment of the short-time high temperature (in the range of 1,100 plus and minus 80 DEG C), and guarantees the normal oil supply of the oil pipe.
Description
Technical field
The utility model relates to a kind of high temperature oil pipe, particularly a kind ofly connects the oil pipe assembly that the airplane engine fuel oil servomechanism is used.
Background technique
Needs along with modern war, on some aircrafts of newly developing, fuel oil in the airplane engine fuel oil servomechanism may reach very high temperature at short notice, so just the oil pipe that is connected with the airplane engine fuel oil servomechanism is had higher requirement, requiring this oil pipe to have can pass through 1100 ± 80 ℃ of high temperature oil at short notice, does not burn and do not leak.And no matter the present used oil pipe of airplane engine fuel oil servomechanism interface all can not reach the requirement of type aircraft in anti-leak and fire protection requirement, and anti-leak and fire resistance property are not very good.Particularly for the motor of different model, the operating temperature and the working pressure of fuel servo device oil pipe are all inequality.So the oil pipe that the interface with the airplane engine fuel oil servomechanism is connected is had higher requirement.
The model utility content
The purpose of this utility model is, a kind of oil pipe assembly that the airplane engine fuel oil servomechanism is used that connects is provided, to adapt to the fuel delivery requirement in the airplane engine fuel oil servomechanism, make fuel oil under high temperature and high pressure power situation, satisfy anti-leak and fire protection requirement, guarantee airplane engine run into burst accident the time, not easy oil leakage, and under high temperature (1100 ± 80 ℃) environment of short time, not burning, guarantee that the oil pipe fuel feeding is normal, thereby overcome the deficiencies in the prior art.
The utility model is to constitute like this: comprise oil pipe, the oil pipe two ends are connected with tube joint assembly respectively; Oil pipe is provided with fireproof casing outward, and the two ends of fireproof casing are connected with inner cone ozzle on the tube joint assembly through the banding ring.
In the oil pipe assembly that above-mentioned connection airplane engine fuel oil servomechanism is used, outer cylinder one end of described inner cone ozzle is provided with at least one outer groove, and the other end is provided with inner annular recess, and the middle part is provided with binding thread; The inner annular recess place of inner cone ozzle is provided with the attaching nut, and the binding thread on the inner cone ozzle is threaded with cap nut, and the outer cylinder of inner cone ozzle is provided with a section of outer groove and is connected with the oil pipe port.
In the oil pipe assembly that aforesaid connection airplane engine fuel oil servomechanism is used, described attaching nut's internal thread bottom is provided with outer annular recess, is provided with seal ring in the outer annular recess.
In the oil pipe assembly that aforesaid connection airplane engine fuel oil servomechanism is used, be provided with groove and at least one inner groove in the endoporus of described cap nut.
In the oil pipe assembly that aforesaid connection airplane engine fuel oil servomechanism is used, described oil pipe comprises flexible rubber hose, and flexible rubber hose is made with the teflon sebific duct, and flexible rubber hose is provided with Stainless Steel Cloth outward.
In the oil pipe assembly that aforesaid connection airplane engine fuel oil servomechanism is used, described fireproof casing is the fire resistant pipe made from glass fiber mesh fluoridize silicone rubber material.
Owing to adopted technique scheme; compared with prior art; the utility model is by weave the flexible pipe that the protection of one deck Stainless Steel Cloth is made with the teflon sebific duct outside sebific duct; and at fireproof casing of oil pipe overcoat; fireproof casing is made with the fire resistant pipe; the two ends of fireproof casing are fixed on through the banding assembly on the inner cone ozzle of tube joint assembly, play high temperature protection and fire retardation.To adapt to the fuel delivery requirement in the engine fuel servomechanism of newly developing aircraft, make fuel oil under high temperature and high pressure power situation, satisfy anti-leak and fire protection requirement, guarantee airplane engine run into burst accident the time, not easy oil leakage, and under high temperature (1100 ± 80 ℃) environment of short time, do not burn.Guarantee that the oil pipe fuel feeding is normal.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model inner cone sleeve pipe;
Fig. 3 is the utility model attaching nut's a structural representation;
Fig. 4 is the structural representation of the utility model cap nut.
Being labeled as in the accompanying drawing: 1-oil pipe, 2-fireproof casing, 3-boot band assembly, 4-inner cone ozzle, 5-outer groove, 6-inner annular recess, 7-binding thread, 8-attaching nut, 9-cap nut, 10-outer annular recess, 11-seal ring, 12-groove, 13-inner groove.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, but not as the foundation of the utility model being done any restriction.
Embodiment of the present utility model: as shown in Figure 1, oil pipe 1 two ends are connected with tube joint assembly respectively; Outside oil pipe 1, be provided with fireproof casing 2, the two ends of fireproof casing 2 are connected with inner cone ozzle 4 on the tube joint assembly through banding ring 3; Inner cone ozzle 4 is made a plurality of outer grooves 5 at outer cylinder one end of inner cone ozzle 4 as shown in Figure 2, produces inner annular recess 6 at its other end, produces binding thread 7 in the middle; Inner annular recess 6 places at inner cone ozzle 4 are provided with attaching nut 8, and the binding thread on the inner cone ozzle 47 is threaded with cap nut 9, the outer cylinder of inner cone ozzle 4 is provided with a section of outer groove 5 is connected with oil pipe 1 port; Attaching nut 8 is provided with outer annular recess 10 in attaching nut 8 internal thread bottom shown in Fig. 3, be provided with seal ring 11 in the outer annular recess 10; Cap nut 9 is provided with groove 12 and a plurality of inner groove 13 as shown in Figure 4 in the endoporus of cap nut 9; Described oil pipe 1 as shown in Figure 1, oil pipe 1 comprises flexible rubber hose, flexible rubber hose is made with the teflon sebific duct, flexible rubber hose is provided with Stainless Steel Cloth outward; Described fireproof casing 2 as shown in Figure 1, fireproof casing 2 is the fire resistant pipes that adopt glass fiber mesh fluoridize silicone rubber material to make.
The utility model will connect oil pipe that the airplane engine fuel oil servomechanism uses and be made into structure by the flexible pipe that weaves the protection of one deck Stainless Steel Cloth and make with the teflon sebific duct outside sebific duct; and at fireproof casing of oil pipe overcoat; fireproof casing is made with the fire resistant pipe; the two ends of fireproof casing are fixed on through the banding assembly on the inner cone ozzle of tube joint assembly, play high temperature protection and fire retardation.Be with cap nut on the inner cone ozzle of tube joint assembly, in the outer annular recess of cap nut, be provided with seal ring, in case stopping leak leaks.Be with cap nut on the inner cone ozzle of tube joint assembly, the inner cone ozzle adopts interference to be connected with cap nut; And on the inner cone ozzle, outer groove is set, and groove and inner groove are set on cap nut, by outer groove and inner groove oil pipe is compressed, and make the end of oil pipe in groove, push distending, improve pull resistance, to guarantee oil pipe and reliability tube joint assembly.
Claims (6)
1. one kind connects the oil pipe assembly that the airplane engine fuel oil servomechanism is used, and comprises oil pipe (1), it is characterized in that: oil pipe (1) two ends are connected with tube joint assembly respectively; The outer fireproof casing (2) that is provided with of oil pipe (1), the two ends of fireproof casing (2) are connected with inner cone ozzle (4) on the tube joint assembly through banding ring (3).
2. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 1 is used, it is characterized in that: outer cylinder one end of described inner cone ozzle (4) is provided with at least one outer groove (5), the other end is provided with inner annular recess (6), and the middle part is provided with binding thread (7); The inner annular recess (6) of inner cone ozzle (4) locates to be provided with attaching nut (8), and the binding thread (7) on the inner cone ozzle (4) is threaded with cap nut (9), and the outer cylinder of inner cone ozzle (4) is provided with a section of outer groove (5) and is connected with oil pipe (1) port.
3. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 2 is used is characterized in that: described attaching nut's (8) internal thread bottom is provided with outer annular recess (10), is provided with seal ring (11) in the outer annular recess (10).
4. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 2 is used is characterized in that: be provided with groove (12) and at least one inner groove (13) in the endoporus of described cap nut (9).
5. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 1 is used is characterized in that: the flexible rubber hose of described oil pipe (1) for making with the teflon sebific duct is provided with Stainless Steel Cloth outside flexible rubber hose.
6. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 1 is used is characterized in that: the fire resistant pipe of described fireproof casing (2) for making with glass fiber mesh fluoridize silicone rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201717911U CN201731204U (en) | 2009-04-23 | 2010-04-20 | Oil pipe assembly for being connected with fuel oil server of aircraft engine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920302511.3 | 2009-04-23 | ||
| CN200920302511 | 2009-04-23 | ||
| CN2010201717911U CN201731204U (en) | 2009-04-23 | 2010-04-20 | Oil pipe assembly for being connected with fuel oil server of aircraft engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731204U true CN201731204U (en) | 2011-02-02 |
Family
ID=43522362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201717911U Expired - Lifetime CN201731204U (en) | 2009-04-23 | 2010-04-20 | Oil pipe assembly for being connected with fuel oil server of aircraft engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731204U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586720B (en) * | 2009-04-23 | 2012-05-23 | 贵州航天精工制造有限公司 | Pipeline assembly for connecting fuel server of aeroengine and preparation method thereof |
| CN103104769A (en) * | 2013-02-06 | 2013-05-15 | 姜堰市华劲管件厂 | Stainless steel anti-explosion flexible pipe free of welding |
| CN103527879A (en) * | 2013-10-25 | 2014-01-22 | 无锡市同步电子科技有限公司 | Blind-insertion quick connector |
| CN105065821A (en) * | 2015-07-31 | 2015-11-18 | 西安斯通管业有限公司 | Pipe joint for flexible high-pressure composite conveying pipe |
| CN105626989A (en) * | 2014-11-03 | 2016-06-01 | 中国飞行试验研究院 | Combined type fuel oil guide pipe connecting structure for aircraft |
| CN108223943A (en) * | 2017-08-14 | 2018-06-29 | 河南航天液压气动技术有限公司 | Plastic flexible pipe withholds connection method and plastic flexible pipe component |
| CN108799648A (en) * | 2018-06-21 | 2018-11-13 | 江苏中船海洋设备有限公司 | The counter-bending pipeline of high pressure fire resisting |
| CN114215999A (en) * | 2021-11-10 | 2022-03-22 | 岚图汽车科技有限公司 | Water pipe protector and vehicle |
-
2010
- 2010-04-20 CN CN2010201717911U patent/CN201731204U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586720B (en) * | 2009-04-23 | 2012-05-23 | 贵州航天精工制造有限公司 | Pipeline assembly for connecting fuel server of aeroengine and preparation method thereof |
| CN103104769A (en) * | 2013-02-06 | 2013-05-15 | 姜堰市华劲管件厂 | Stainless steel anti-explosion flexible pipe free of welding |
| CN103527879A (en) * | 2013-10-25 | 2014-01-22 | 无锡市同步电子科技有限公司 | Blind-insertion quick connector |
| CN105626989A (en) * | 2014-11-03 | 2016-06-01 | 中国飞行试验研究院 | Combined type fuel oil guide pipe connecting structure for aircraft |
| CN105065821A (en) * | 2015-07-31 | 2015-11-18 | 西安斯通管业有限公司 | Pipe joint for flexible high-pressure composite conveying pipe |
| CN108223943A (en) * | 2017-08-14 | 2018-06-29 | 河南航天液压气动技术有限公司 | Plastic flexible pipe withholds connection method and plastic flexible pipe component |
| CN108799648A (en) * | 2018-06-21 | 2018-11-13 | 江苏中船海洋设备有限公司 | The counter-bending pipeline of high pressure fire resisting |
| CN114215999A (en) * | 2021-11-10 | 2022-03-22 | 岚图汽车科技有限公司 | Water pipe protector and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110202 Effective date of abandoning: 20100420 |