CN101586720A - A kind ofly connect oil pipe assembly and the making method that the airplane engine fuel oil servomechanism is used - Google Patents
A kind ofly connect oil pipe assembly and the making method that the airplane engine fuel oil servomechanism is used Download PDFInfo
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- CN101586720A CN101586720A CNA2009103017906A CN200910301790A CN101586720A CN 101586720 A CN101586720 A CN 101586720A CN A2009103017906 A CNA2009103017906 A CN A2009103017906A CN 200910301790 A CN200910301790 A CN 200910301790A CN 101586720 A CN101586720 A CN 101586720A
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- oil pipe
- oil
- engine fuel
- groove
- servomechanism
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Abstract
The invention discloses a kind of oil pipe assembly and making method that the airplane engine fuel oil servomechanism is used that connect; the oil pipe that its connection airplane engine fuel oil servomechanism is used 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.The present invention can adapt to the fuel delivery requirement in the engine fuel servomechanism of 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
Technical field
The present invention relates to a kind of high temperature oil pipe, particularly a kind ofly connect oil pipe assembly and the making method 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.
Summary of the invention
The objective of the invention is to, a kind of oil pipe assembly and making method that the airplane engine fuel oil servomechanism is used that connect 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 present invention is achieved in that and of the present inventionly a kind ofly connects the oil pipe assembly making method that the airplane engine fuel oil servomechanism uses and be; the oil pipe that this connection airplane engine fuel oil servomechanism is used 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.
In the oil pipe assembly making method that above-mentioned connection airplane engine fuel oil servomechanism is used, be with the attaching nut on the inner cone ozzle of described tube joint assembly, in attaching nut's internal groove, be provided with seal ring, in case stopping leak leaks.
In the oil pipe assembly making method that aforesaid connection airplane engine fuel oil servomechanism is used, be with cap nut on the inner cone ozzle of described 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.
A kind ofly connect the oil pipe assembly that the airplane engine fuel oil servomechanism uses and be according to what method of the present invention was made: 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, colludes groove outside the other end is provided with, and the middle part is provided with binding thread; The outer groove place of colluding 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 internal groove, is provided with seal ring in the internal groove.
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 present invention 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 the structural representation of oil pipe assembly of the present invention;
Fig. 2 is the structural representation of inner cone sleeve pipe of the present invention;
Fig. 3 is an attaching nut's of the present invention structural representation;
Fig. 4 is the structural representation of cap nut of the present invention.
Being labeled as in the accompanying drawing: the 1-oil pipe, the 2-fireproof casing, 3-boot band assembly, 4-inner cone ozzle, 5-outer groove, 6-collude groove outward, 7-binding thread, 8-attaching nut, 9-cap nut, 10-internal groove, 11-seal ring, 12-groove, 13-inner groove.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but not as the foundation of the present invention being done any restriction.
Embodiments of the invention: implement of the present invention a kind of when connecting the oil pipe assembly making method that the airplane engine fuel oil servomechanism uses; as shown in Figure 1; be made into structure with connecting oil pipe that the airplane engine fuel oil servomechanism uses by the flexible pipe that outside sebific duct, weaves the protection of one deck Stainless Steel Cloth and make with the teflon 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 internal groove 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.
Making of the present invention a kind ofly when connecting the oil pipe assembly that the airplane engine fuel oil servomechanism uses, as shown in Figure 1, oil pipe 1 two ends are being 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, colludes groove 6 outside its other end is produced, and produces binding thread 7 in the middle; Outer groove 6 places of colluding 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 internal groove 10 in attaching nut 8 internal thread bottom as shown in Figure 3, is provided with seal ring 11 in the internal groove 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.
Claims (9)
1. one kind connects the oil pipe assembly making method that the airplane engine fuel oil servomechanism is used; it is characterized in that: the oil pipe that connection airplane engine fuel oil servomechanism is used 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.
2. the oil pipe assembly making method that connection airplane engine fuel oil servomechanism according to claim 1 is used, it is characterized in that: be with cap nut on the inner cone ozzle of described tube joint assembly, in the internal groove of cap nut, be provided with seal ring, in case stopping leak leaks.
3. the oil pipe assembly making method that connection airplane engine fuel oil servomechanism according to claim 2 is used is characterized in that: be with cap nut on the inner cone ozzle of described 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.
4. 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).
5. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 4 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), collude groove (6) outside the other end is provided with, the middle part is provided with binding thread (7); The outer groove (6) that colludes 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.
6. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 5 is used is characterized in that: described attaching nut's (8) internal thread bottom is provided with internal groove (10), is provided with seal ring (11) in the internal groove (10).
7. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 5 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).
8. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 4 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.
9. the oil pipe assembly that connection airplane engine fuel oil servomechanism according to claim 4 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 |
|---|---|---|---|
| CN2009103017906A CN101586720B (en) | 2009-04-23 | 2009-04-23 | Pipeline assembly for connecting fuel server of aeroengine and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103017906A CN101586720B (en) | 2009-04-23 | 2009-04-23 | Pipeline assembly for connecting fuel server of aeroengine and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101586720A true CN101586720A (en) | 2009-11-25 |
| CN101586720B CN101586720B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103017906A Active CN101586720B (en) | 2009-04-23 | 2009-04-23 | Pipeline assembly for connecting fuel server of aeroengine and preparation method thereof |
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| CN (1) | CN101586720B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267187A (en) * | 2013-05-10 | 2013-08-28 | 西安航空动力股份有限公司 | Fuel manifold spherical joint and tester quick connector |
| CN104061391A (en) * | 2014-06-25 | 2014-09-24 | 上海海立特种制冷设备有限公司 | Pagoda type joint for oil cooler |
| CN104696640A (en) * | 2013-12-04 | 2015-06-10 | 中国直升机设计研究所 | Double-layer rubber hose for helicopter fuel system |
| CN104930283A (en) * | 2013-12-27 | 2015-09-23 | 空中客车军事公司 | Threaded connection for double-walled pipes |
| CN107061881A (en) * | 2017-06-28 | 2017-08-18 | 沈阳橡胶研究设计院有限公司 | Aircraft engine reinforcing flexibility fuel pipe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4675221A (en) * | 1978-03-08 | 1987-06-23 | Titeflex Corporation | Fire sleeve for hose |
| JP4000482B2 (en) * | 2004-09-21 | 2007-10-31 | ニッタ・ムアー株式会社 | Attaching ring or socket to nipple in hose joint |
| CN2765033Y (en) * | 2004-11-19 | 2006-03-15 | 江阴市兴缘金属制品有限公司 | Flexible polytetrafluoroethylene metal conduit with internal and external thread |
| CN100398895C (en) * | 2006-06-29 | 2008-07-02 | 上海市塑料研究所 | Separating, insertion and fastening type metal connector for polytetrafluoroethylene hose assembly and assembling method thereof |
| CN201187641Y (en) * | 2007-08-03 | 2009-01-28 | 河北西伯力特种橡胶有限公司 | Environment protection type fire resistant heat insulation packing hose assembly |
| CN201731204U (en) * | 2009-04-23 | 2011-02-02 | 贵州航天精工制造有限公司 | Oil pipe assembly for being connected with fuel oil server of aircraft engine |
-
2009
- 2009-04-23 CN CN2009103017906A patent/CN101586720B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267187A (en) * | 2013-05-10 | 2013-08-28 | 西安航空动力股份有限公司 | Fuel manifold spherical joint and tester quick connector |
| CN103267187B (en) * | 2013-05-10 | 2015-04-29 | 西安航空动力股份有限公司 | Fuel manifold spherical joint and tester quick connector |
| CN104696640A (en) * | 2013-12-04 | 2015-06-10 | 中国直升机设计研究所 | Double-layer rubber hose for helicopter fuel system |
| CN104930283A (en) * | 2013-12-27 | 2015-09-23 | 空中客车军事公司 | Threaded connection for double-walled pipes |
| CN104930283B (en) * | 2013-12-27 | 2018-05-11 | 空中客车军事公司 | Screw connection for double-wall pipe |
| CN104061391A (en) * | 2014-06-25 | 2014-09-24 | 上海海立特种制冷设备有限公司 | Pagoda type joint for oil cooler |
| CN104061391B (en) * | 2014-06-25 | 2017-01-04 | 上海海立特种制冷设备有限公司 | A kind of oil cooling machine pagoda type joint |
| CN107061881A (en) * | 2017-06-28 | 2017-08-18 | 沈阳橡胶研究设计院有限公司 | Aircraft engine reinforcing flexibility fuel pipe |
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| Publication number | Publication date |
|---|---|
| CN101586720B (en) | 2012-05-23 |
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