CN106764149A - A kind of aircraft of pipeline from seal structure and with it - Google Patents

A kind of aircraft of pipeline from seal structure and with it Download PDF

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Publication number
CN106764149A
CN106764149A CN201710048918.7A CN201710048918A CN106764149A CN 106764149 A CN106764149 A CN 106764149A CN 201710048918 A CN201710048918 A CN 201710048918A CN 106764149 A CN106764149 A CN 106764149A
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CN
China
Prior art keywords
pipeline
sleeve pipe
valve
seal
spring
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Granted
Application number
CN201710048918.7A
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Chinese (zh)
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CN106764149B (en
Inventor
贾铎
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AECC Shenyang Engine Research Institute
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AECC Shenyang Engine Research Institute
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Priority to CN201710048918.7A priority Critical patent/CN106764149B/en
Publication of CN106764149A publication Critical patent/CN106764149A/en
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Publication of CN106764149B publication Critical patent/CN106764149B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/02Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings

Abstract

The invention discloses a kind of pipeline from seal structure and the aircraft with it, it is related to engine maintenance technical field.The pipeline is included from seal structure:Sleeve pipe, described sleeve pipe is internally provided with ring packing boss, and the two ends of sleeve pipe are used for connecting line;Valve, the valve is annulus structure, and through hole is provided with the side wall of the annulus, the through hole is connected with the end face of the valve, the end face is defined as seal face, and the valve is arranged on the inside of described sleeve pipe, and the inwall with sleeve pipe is slidably matched;Spring, the spring is arranged on the inside of described sleeve pipe, and one end is fixed, and the other end is contacted with the valve;By compression elasticity for the valve provides thrust, the seal face cooperatively forms sealing to the spring with the side of the ring packing boss.The advantage of the invention is that:When the connecting line to needing to safeguard is assembled and disassembled, oil contamination can be avoided, leaked, make ground crew's simple operation, improve engine maintenance.

Description

A kind of aircraft of pipeline from seal structure and with it
Technical field
The present invention relates to engine maintenance technical field, and in particular to a kind of aircraft of pipeline from seal structure and with it.
Background technology
In recent years, succeeding in developing with multiple new products, part model progressively comes into operation, and designer also gradually recognizes Know aero-engine reliability, the importance of the manufacturability, the maintainability of product and integrated supportability of manufacture assembling.According to mesh Front engine safeguards feature with the installation of aircraft, in the pipeline structure assembling and dissembling process between engine and aircraft, due to pipeline Interface is difficult closure in time, fuel oil, lubricating oil etc. and often splashes to airplane hatch cover or airport ground, and can even make dirty ground service people sometimes Member's clothes, Operation and Maintenance is inconvenient, increased the workload of attendant.
The content of the invention
It is an object of the invention to provide a kind of pipeline from seal structure and the aircraft with it, engine maintenance is being improved Meanwhile, enable ground crew's operation readiness, reduce oil and leak, to solve or at least mitigate in the presence of background technology extremely Problem at few one.
The technical solution adopted by the present invention is:A kind of pipeline from seal structure is provided, comprising:
Sleeve pipe, described sleeve pipe is internally provided with ring packing boss, and the two ends of sleeve pipe are used for connecting line;
Valve, the valve is annulus structure, is provided with through hole on the side wall of the annulus, the through hole with The end face connection of the valve, the end face is defined as seal face, and the valve is arranged on the inside of described sleeve pipe, with set The inwall of pipe is slidably matched;
Spring, the spring is arranged on the inside of described sleeve pipe, and one end is fixed, and the other end is contacted with the valve;
The spring is by compression elasticity for the valve provides thrust, the seal face and the ring packing boss Side cooperatively form sealing.
Preferably, the valve is stepped sleeve, and its is cylindrical to include 2 sections of cylindrical sections of different-diameter, and wherein external diameter is larger Cylindrical section be slidably matched with the endoporus of described sleeve pipe, the side wall of the less cylindrical section of external diameter is evenly distributed in 3 through holes, described Through hole extends to the seal face in the lateral wall compared with roundlet shell of column along the axis direction of valve.
Preferably, seal groove is provided with the seal face, the first sealing ring, described is installed in the seal groove One sealing ring is bonded in the seal groove on the valve using adhesive by sulfurization.
Preferably, the endoporus of the valve is provided with first step structure, and the end face of the spring withstands on the First On the step surface of stage structure, the face of cylinder of the cylindrical and first step structure of the spring coordinates.
Preferably, the pipeline also includes spring base from seal structure, and the spring base is tube-in-tube structure, the spring base The cylindrical inner hole with described sleeve pipe, the endoporus of the spring base is provided with second step structure, the other end of the spring Withstand on the step surface of the second step structure, the face of cylinder of the cylindrical and second step structure of the spring coordinates.
Preferably, the endoporus of described sleeve pipe is provided with annular slot;The pipeline is also kept off comprising hole from seal structure with elasticity Circle, the circlip for hole is arranged in the annular slot, for spring base described in the axially position in described sleeve pipe.
Preferably, the spring base is provided with stop ledge, and the stop ledge is arranged on the side of the spring base, only In the A/F of the width less than the circlip for hole of spring base circumferencial direction, the A/F is finger-hole to dynamic boss With the opening of circlip circumferencial direction.
Preferably, the pipeline also includes the first pipe nipple, first pipe nipple and the one of described sleeve pipe from seal structure End is connected through a screw thread;The second sealing ring is provided between first pipe nipple and the counterface of described sleeve pipe.
Preferably, the pipeline also includes the second pipe nipple and nut from seal structure;Second pipe nipple is sleeve knot Structure, endoporus one end of the sleeve is provided with end cap with holes, and outwardly convex is provided with fore-set, described second on the end cap with holes The cylindrical of pipe nipple is set to stepped cylindrical, wherein, the other end of the cylindrical and described sleeve pipe of the cylindrical section being relatively large in diameter it is interior Hole coordinates, and the 3rd sealing ring is provided between mating surface;The nut is set on the less cylindrical section of diameter, with described sleeve pipe Threaded connection.
Present invention also offers a kind of aircraft, the aircraft includes pipeline as described above from seal structure;The pipeline is certainly Connection between the pipeline that seal structure is used on engine and aircraft.
The beneficial effects of the present invention are:Pipeline of the invention from seal structure, by under the elastic force of spring, making valve Closure or openness are realized, the circulation or closure of medium is realized.Connecting line is installed on the engine from seal structure, install convenient, It is simple and compact for structure, safe and reliable.When the connecting line to needing to safeguard is assembled and disassembled, oil contamination can be avoided, leaked, make ground service Human users are convenient, improve engine maintenance.Extensively in the connecting line flown and between engine, and can often assemble and disassemble The structure such as pipeline applied.
Brief description of the drawings
Fig. 1 is the pipeline of one embodiment of the invention from the schematic diagram of seal structure.
Fig. 2 is the schematic cross-section of the valve of pipeline shown in Fig. 1 from seal structure.
Fig. 3 is the schematic cross-section of the spring base of pipeline shown in Fig. 1 from seal structure.
Fig. 4 is the other direction schematic diagram of the spring base shown in Fig. 3.
Fig. 5 is the schematic cross-section of the second pipe nipple of pipeline shown in Fig. 1 from seal structure.
Wherein, 1- sleeve pipes, 11- ring packing boss, 2- valve, 21- through holes, 22- seal faces, the sealing rings of 23- first, 24- first step structures, 3- springs, 5- spring bases, 51- stop ledges, 52- second step structures, 6- circlip for holes, 7- First pipe nipple, the pipe nipples of 8- second, 81- fore-sets, 9- nuts, the sealing rings of 17- second, the sealing rings of 18- the 3rd.
Specific embodiment
To make the purpose, technical scheme and advantage of present invention implementation clearer, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class As label represent same or similar element or the element with same or like function.Described embodiment is the present invention A part of embodiment, rather than whole embodiments.Embodiment below with reference to Description of Drawings is exemplary, it is intended to used It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under Face is described in detail with reference to accompanying drawing to embodiments of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, rather than the dress for indicating or implying meaning Put or element with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that must be protected to the present invention The limitation of scope.
As shown in Figures 1 to 5, a kind of pipeline is from seal structure, comprising sleeve pipe 1, valve 2 and spring 3.The inside of sleeve pipe 1 sets Ring packing boss 11 is equipped with, the two ends of sleeve pipe 1 are used for connecting line;Valve 2 is annulus structure, the annulus Through hole 21 is provided with the wall of side, the through hole 21 is connected with the end face of valve 2, the end face is defined as seal face 22, it is living Door 2 is arranged on the inside of sleeve pipe 1, and the inwall with sleeve pipe 1 is slidably matched;Spring 3 is arranged on the inside of sleeve pipe 1, and one end is fixed, separately One end contacts with valve 2;Spring 3 is that valve 2 provides thrust, the seal face and ring packing boss 11 by compression elasticity Side cooperatively form sealing.Under nature, spring 3 is compressed after installing and produces elastic force, and valve 2 is acted in the elastic force of spring 3 Under, the side of the ring packing boss 11 in the seal face and sleeve pipe 1 cooperatively forms sealing;When valve 2 is subject to outer masterpiece Used time, valve 2 continues compression spring 3, the ring packing inside the seal face and sleeve pipe 1 of valve 2 in the axis direction of spring 3 Distance is produced between the side of boss 11, now, the space in sleeve pipe 1 in the both sides of valve 2 passes through logical on the side wall of the valve 2 Hole connects.
In the present embodiment, valve 2 is stepped sleeve, and its is cylindrical to include 2 sections of cylindrical sections of different-diameter, wherein external diameter compared with Big cylindrical section is slidably matched with the endoporus of sleeve pipe 1, and the side wall of the less cylindrical section of external diameter is evenly distributed in 3 through holes, described Through hole extends to the seal face 22 in the lateral wall compared with roundlet shell of column along the axis direction of valve 2.
In the present embodiment, seal groove is provided with the seal face, the first sealing ring is installed in the seal groove 23, first sealing ring is bonded in the seal groove on valve 2 using adhesive by sulfurization.The advantage is that, the One sealing ring can increase the sealing security between valve 2 and ring packing boss 11;Using adhesive by the first sealing ring Sulfided with seal groove, in the reciprocatory movement of valve 2, the first sealing ring does not fall off.
In the present embodiment, the endoporus of valve 2 is provided with first step structure 24, and the end face of spring 3 withstands on described first On the step surface of ledge structure, the face of cylinder of the cylindrical and first step structure of spring 3 coordinates, and the advantage is that, spring 3 The cylindrical face of cylinder with the first step structure coordinate, can prevent spring 3 from being bent in compression process.
In the present embodiment, pipeline also includes spring base 5 from seal structure, and spring base 5 is tube-in-tube structure, outside spring base 5 Circle and the inner hole of sleeve pipe 1, the endoporus of spring base 5 are provided with second step structure 52, and the other end of spring 3 withstands on described the On the step surface of two ledge structures, spring 3 coordinates on the face of cylinder of the cylindrical and second step structure at the end.
In the present embodiment, the endoporus of sleeve pipe 1 is provided with annular slot;Pipeline also includes circlip for hole from seal structure 6, circlip for hole 6 is arranged in the annular slot, for the axially position spring base 5 in sleeve pipe 1.
In the present embodiment, spring base 5 is provided with stop ledge 51, and stop ledge 51 is arranged on the side of spring base 5, only Side where dynamic boss 5 is relative with spring 3, and stop ledge 51 is kept off less than hole in the width of the circumferencial direction of spring base 5 with elasticity The A/F of circle 6, the A/F refers to the opening of the circumferencial direction of circlip for hole 6.Spring base 5 is kept off with hole with elasticity After circle 6 is installed, stop ledge 51 falls in the opening of circlip for hole 6, can prevent spring base 5 from rotating.
It is understood that spring base 5 can also be realized fixing with sleeve pipe 1 otherwise.For example, alternative at one In embodiment, spring base 5 is connected through a screw thread with sleeve pipe 1.
In the present embodiment, the pipeline also includes the first pipe nipple 7, the first pipe nipple 7 and the one of sleeve pipe 1 from seal structure End is connected through a screw thread;The second sealing ring 17 is provided between first pipe nipple 7 and the counterface of sleeve pipe 1.Second sealing ring For preventing the leakage between the first pipe nipple 7 and the connection screw thread of sleeve pipe 1.
In the present embodiment, the pipeline also includes the second pipe nipple 8 and nut 9 from seal structure;Second pipe nipple 8 is set Barrel structure, endoporus one end of the sleeve is provided with end cap with holes, and outwardly convex is provided with fore-set 81 on the end cap with holes, the Two the cylindrical of pipe nipple 8 are set to stepped cylindrical, wherein, the other end of the cylindrical and sleeve pipe 1 of the cylindrical section being relatively large in diameter it is interior Hole coordinates, and the 3rd sealing ring 18 is provided between mating surface;Nut 9 is set on the less cylindrical section of diameter, with the screw thread of sleeve pipe 1 Connection.By rotating nut 9, nut 9 by the second pipe nipple 8 it is cylindrical on step promote the second pipe nipple 8, fore-set 81 to withstand on On the seal face of valve 2, fore-set 81 promotes valve 2, the compression spring 3 of valve 2, so that logical under the threading force effect of nut 9 The through hole connection pipe nipple 8 of pipe nipple 7 and second crossed on valve 2.
Present invention also offers a kind of aircraft, the aircraft includes pipeline as described above from seal structure;The pipeline is certainly Connection between the pipeline that seal structure is used on engine and aircraft.When the connecting line to needing to safeguard is assembled and disassembled, can avoid Oil contamination, leak, make ground crew's simple operation, improve engine maintenance.
It is last it is to be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent Pipe has been described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that:It is still Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced Change;And these modifications or replacement, do not make the essence of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution God and scope.

Claims (10)

1. a kind of pipeline is from seal structure, it is characterised in that include:
Sleeve pipe (1), described sleeve pipe (1) is internally provided with ring packing boss (11), and the two ends of sleeve pipe (1) are used for connecting tube Road;
Valve (2), the valve (2) is annulus structure, and through hole (21) is provided with the side wall of the annulus, described Through hole (21) is connected with the end face of the valve (2), and the end face is defined as seal face (22), and the valve (2) is installed In the inside of described sleeve pipe (1), the inwall with sleeve pipe (1) is slidably matched;
Spring (3), the spring (3) installed in the inside of described sleeve pipe (1), fix by one end, and the other end connects with the valve (2) Touch;
The spring (3) is that the valve (2) provides thrust by compression elasticity, and the seal face is convex with the ring packing The side of platform (11) cooperatively forms sealing.
2. pipeline as claimed in claim 1 is from seal structure, it is characterised in that:The valve (2) is stepped sleeve, its cylindrical bag Containing 2 sections of cylindrical sections of different-diameter, the wherein larger cylindrical section of external diameter is slidably matched with the endoporus of described sleeve pipe (1), external diameter compared with The side wall of small cylindrical section is evenly distributed in 3 through holes, the through hole the lateral wall compared with roundlet shell of column along valve (2) axis Direction extends to the seal face (22).
3. pipeline as claimed in claim 2 is from seal structure, it is characterised in that:Seal groove, institute are provided with the seal face State and be provided with seal groove the first sealing ring (23), first sealing ring is bonded in described using adhesive by sulfurization In seal groove on valve (2).
4. pipeline as claimed in claim 3 is from seal structure, it is characterised in that:The endoporus of the valve (2) is provided with First Stage structure (24), the end face of the spring (3) is withstood on the step surface of the first step structure, the spring (3) it is cylindrical The face of cylinder with the first step structure coordinates.
5. pipeline as claimed in claim 4 is from seal structure, it is characterised in that:The pipeline also includes spring base from seal structure (5), the spring base (5) is tube-in-tube structure, the inner hole of the cylindrical and described sleeve pipe (1) of the spring base (5), the bullet The endoporus of spring abutment (5) is provided with second step structure (52), and the other end of the spring (3) withstands on the second step structure On step surface, the face of cylinder of the cylindrical and second step structure of the spring (3) coordinates.
6. pipeline as claimed in claim 5 is from seal structure, it is characterised in that:The endoporus of described sleeve pipe (1) is provided with annular snap Groove;The pipeline also includes circlip for hole (6) from seal structure, and the circlip for hole (6) is installed in the annular snap In groove, for spring base (5) described in the axially position in described sleeve pipe (1).
7. pipeline as claimed in claim 6 is from seal structure, it is characterised in that:The spring base (5) is provided with stop ledge (51), the stop ledge (51) is arranged on the side of the spring base (5), and stop ledge (51) is in spring base (5) circumference side To width less than the circlip for hole (6) A/F, the A/F refers to circlip for hole (6) circumference The opening in direction.
8. pipeline as claimed in claim 7 is from seal structure, it is characterised in that:The pipeline also connects from seal structure comprising the first pipe Mouth (7), first pipe nipple (7) is connected through a screw thread with one end of described sleeve pipe (1);First pipe nipple (7) and institute The second sealing ring (17) is provided between the counterface for stating sleeve pipe (1).
9. pipeline as claimed in claim 8 is from seal structure, it is characterised in that:The pipeline also connects from seal structure comprising the second pipe Mouth (8) and nut (9);Second pipe nipple (8) is tube-in-tube structure, and endoporus one end of the sleeve is provided with end cap with holes, Outwardly convex is provided with fore-set (81) on the end cap with holes, and the cylindrical of the second pipe nipple (8) is set to stepped cylindrical, its In, the inner hole of the other end of the cylindrical and described sleeve pipe (1) of the cylindrical section being relatively large in diameter is provided with the 3rd between mating surface Sealing ring (18);The nut (9) is set on the less cylindrical section of diameter, is threadedly coupled with described sleeve pipe (1).
10. a kind of aircraft, it is characterised in that:The aircraft includes the pipeline as described in any one of claim 1 to 9 from sealed knot Structure;Connection between the pipeline that the pipeline is used on engine and aircraft from seal structure.
CN201710048918.7A 2017-01-23 2017-01-23 A kind of pipeline is from seal structure and with its aircraft Active CN106764149B (en)

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CN201710048918.7A CN106764149B (en) 2017-01-23 2017-01-23 A kind of pipeline is from seal structure and with its aircraft

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Application Number Priority Date Filing Date Title
CN201710048918.7A CN106764149B (en) 2017-01-23 2017-01-23 A kind of pipeline is from seal structure and with its aircraft

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CN106764149A true CN106764149A (en) 2017-05-31
CN106764149B CN106764149B (en) 2019-05-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318876A (en) * 2019-06-28 2019-10-11 王壮 A kind of highly integrated gas turbine generator set

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777771A (en) * 1971-05-27 1973-12-11 Visscher P De Joining of containers
DE4134869A1 (en) * 1990-10-25 1992-04-30 Andre Leonard Compressed air system for emptying silos - has flap body comprising two axially adjoining parts connected by quick fit couplings
CN2846958Y (en) * 2005-06-07 2006-12-13 尤卫建 Self closing type water supply joint
CN201242008Y (en) * 2008-07-28 2009-05-20 简明锐 Improved connection joint
CN101793331A (en) * 2009-02-02 2010-08-04 汉斯格罗股份公司 Pipeline cut-off or switching valve
CN203614960U (en) * 2013-10-23 2014-05-28 中山市雅西环保科技有限公司 Water pipe connector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777771A (en) * 1971-05-27 1973-12-11 Visscher P De Joining of containers
DE4134869A1 (en) * 1990-10-25 1992-04-30 Andre Leonard Compressed air system for emptying silos - has flap body comprising two axially adjoining parts connected by quick fit couplings
CN2846958Y (en) * 2005-06-07 2006-12-13 尤卫建 Self closing type water supply joint
CN201242008Y (en) * 2008-07-28 2009-05-20 简明锐 Improved connection joint
CN101793331A (en) * 2009-02-02 2010-08-04 汉斯格罗股份公司 Pipeline cut-off or switching valve
CN203614960U (en) * 2013-10-23 2014-05-28 中山市雅西环保科技有限公司 Water pipe connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318876A (en) * 2019-06-28 2019-10-11 王壮 A kind of highly integrated gas turbine generator set

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