CN106764149B - A kind of pipeline is from seal structure and with its aircraft - Google Patents

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

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Publication number
CN106764149B
CN106764149B CN201710048918.7A CN201710048918A CN106764149B CN 106764149 B CN106764149 B CN 106764149B CN 201710048918 A CN201710048918 A CN 201710048918A CN 106764149 B CN106764149 B CN 106764149B
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China
Prior art keywords
pipeline
valve
spring
seal
seal structure
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CN201710048918.7A
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CN106764149A (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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    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention discloses a kind of pipelines from seal structure and with its aircraft, is related to engine maintenance technical field.The pipeline includes from seal structure: casing, and described sleeve pipe is internally provided with ring packing boss, and the both ends of casing are used for connecting line;Valve, the valve are annulus structure, are provided with through-hole on the side wall of the annulus, the through-hole is connected to an end face of the valve, the end face is defined as seal face, and the valve is mounted on the inside of described sleeve pipe, is slidably matched with the inner wall of casing;Spring, the spring are mounted on the inside of described sleeve pipe, and one end is fixed, and the other end is contacted with the valve;The spring provides thrust by compression elasticity for the valve, and the side of the seal face and the ring packing boss cooperatively forms sealing.The present invention has the advantages that can avoid oil contamination when the connecting line safeguarded to needs is assembled and disassembled, leaking, keeps ground crew's operation convenient, improve engine maintenance.

Description

A kind of pipeline is from seal structure and with its aircraft
Technical field
The present invention relates to engine maintenance technical fields, and in particular to a kind of pipeline is from seal structure and with its aircraft.
Background technique
In recent years, succeeding in developing with multiple new products, some models step by step input use, and designer also gradually recognizes Know craftsmanship, the importance of the maintainability of product and integrated supportability of aero-engine reliability, manufacture assembly.According to mesh Feature is safeguarded in the installation of front engine and aircraft, in the pipeline structure assembling and dissembling process between engine and aircraft, due to pipeline Interface is not easy to block in time, and fuel oil, lubricating oil etc. often splash to airplane hatch cover or airport ground, can even make ground service people dirty sometimes Member's clothes, Operation and Maintenance is inconvenient, increases the workload of maintenance personnel.
Summary of the invention
The object of the present invention is to provide a kind of pipelines from seal structure and with its aircraft, is improving engine maintenance Meanwhile enable ground crew's operation readiness, reduce oil leak, with solve or at least mitigate background technique in the presence of extremely The problem of at few one.
The technical solution adopted by the present invention is that: a kind of pipeline is provided from seal structure, includes:
Casing, described sleeve pipe are internally provided with ring packing boss, and the both ends of casing are used for connecting line;
Valve, the valve are annulus structure, are provided with through-hole on the side wall of the annulus, the through-hole with One end face of the valve is connected to, and the end face is defined as seal face, and the valve is mounted on the inside of described sleeve pipe, with set The inner wall of pipe is slidably matched;
Spring, the spring are mounted on the inside of described sleeve pipe, and one end is fixed, and the other end is contacted with the valve;
The spring provides thrust, the seal face and the ring packing boss by compression elasticity for the valve Side cooperatively form sealing.
Preferably, the valve is stepped sleeve, and outer circle includes the cylindrical section of 2 sections of different-diameters, and wherein outer diameter is larger Cylindrical section and the inner hole of described sleeve pipe be slidably matched, the side wall of the lesser cylindrical section of outer diameter is evenly distributed in 3 through-holes, described Through-hole extends to the seal face along the axis direction of valve in the lateral wall compared with roundlet shell of column.
Preferably, it is provided with seal groove on the seal face, the first sealing ring is installed in the seal groove, described One sealing ring is bonded in the seal groove on the valve using adhesive by sulfurization.
Preferably, the inner hole 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 cylindrical surface of the outer circle of the spring and the first step structure cooperates.
Preferably, the pipeline also includes spring base from seal structure, and the spring base is tube-in-tube structure, the spring base The inner hole of outer circle and described sleeve pipe, the inner hole of the spring base are provided with second step structure, the other end of the spring It withstands on the step surface of the second step structure, the cylindrical surface of the outer circle of the spring and the second step structure cooperates.
Preferably, the inner hole of described sleeve pipe is provided with annular slot;The pipeline also includes hole elasticity gear from seal structure Circle, the circlip for hole is mounted 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 side of the spring base is arranged in the stop ledge, only Dynamic boss is less than the opening width of the circlip for hole in the width of spring base circumferencial direction, and the opening width is finger-hole With the opening of circlip circumferencial direction.
Preferably, the pipeline also includes the first pipe nipple from seal structure, and the one of first pipe nipple and described sleeve pipe 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, inner hole one end of the sleeve are provided with end cap with holes, and outwardly convex is provided with top pillar on the end cap with holes, and described second The outer circle of pipe nipple is set as stepped cylindrical, wherein the other end of the outer circle and described sleeve pipe for the cylindrical section being relatively large in diameter it is interior Hole cooperates, and is provided with third sealing ring between mating surface;The nut is set on the lesser cylindrical section of diameter, with described sleeve pipe It is threadedly coupled.
The present invention also provides a kind of aircraft, the aircraft includes pipeline as described above from seal structure;The pipeline is certainly Seal structure is for the connection between the pipeline on engine and aircraft.
The beneficial effects of the present invention are: pipeline of the invention is from seal structure, by making valve under the elastic force of spring It realizes closure or openness, realizes the circulation or closure of medium.Installation connecting line is from seal structure on the engine, install convenient, It is simple and compact for structure, safe and reliable.When the connecting line safeguarded to needs is assembled and disassembled, it can avoid oil contamination, leak, make ground service Personnel's operation is convenient, improves engine maintenance.Can be extensively in the connecting line flown and between engine, and often assemble and disassemble The structures such as pipeline applied.
Detailed description of the invention
Fig. 1 is the pipeline of one embodiment of the invention from the schematic diagram of seal structure.
Fig. 2 is schematic cross-section of the pipeline shown in FIG. 1 from the valve in seal structure.
Fig. 3 is schematic cross-section of the pipeline shown in FIG. 1 from the spring base in seal structure.
Fig. 4 is the schematic diagram of another direction of spring base shown in Fig. 3.
Fig. 5 is schematic cross-section of the pipeline shown in FIG. 1 from the second pipe nipple in seal structure.
Wherein, 1- casing, 11- ring packing boss, 2- valve, 21- through-hole, 22- seal face, the first sealing ring of 23-, 24- first step structure, 3- spring, 5- spring base, 51- stop ledge, 52- second step structure, 6- circlip for hole, 7- First pipe nipple, the second pipe nipple of 8-, 81- top pillar, 9- nut, the second sealing ring of 17-, 18- third sealing ring.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.Under Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention The limitation of range.
As shown in Figures 1 to 5, a kind of pipeline includes casing 1, valve 2 and spring 3 from seal structure.The inside of casing 1 is set It is equipped with ring packing boss 11, the both ends of casing 1 are used for connecting line;Valve 2 is annulus structure, the annulus Through-hole 21 is provided on side wall, the through-hole 21 is connected to an end face of valve 2, and the end face is defined as seal face 22, living Door 2 is mounted on the inside of casing 1, is slidably matched with the inner wall of casing 1;Spring 3 is mounted on the inside of casing 1, and one end is fixed, separately One end is contacted 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 natural conditions, compression generates elastic force after spring 3 is installed, 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 casing 1 cooperatively forms sealing;When valve 2 is by outer masterpiece Used time, valve 2 continue compressed spring 3, the seal face of valve 2 and the ring packing inside casing 1 in the axis direction of spring 3 Distance is generated between the side of boss 11, at this point, the space in casing 1 in 2 two sides of valve passes through leading on 2 side wall of valve Hole connection.
In the present embodiment, valve 2 be stepped sleeve, outer circle include 2 sections of different-diameters cylindrical section, wherein outer diameter compared with The inner hole of big cylindrical section and casing 1 is slidably matched, and the side wall of the lesser cylindrical section of outer diameter is evenly distributed in 3 through-holes, described Through-hole extends to the seal face 22 along the axis direction of valve 2 in the lateral wall compared with roundlet shell of column.
In the present embodiment, it is provided with seal groove on 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.It the advantage is that, the One sealing ring can increase the sealing safety between valve 2 and ring packing boss 11;Using adhesive by the first sealing ring It is sulfided with seal groove, in 2 reciprocatory movement of valve, the first sealing ring is not fallen off.
In the present embodiment, the inner hole 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 step structure, the cylindrical surface of the outer circle of spring 3 and the first step structure cooperates, and the advantage is that, spring 3 Outer circle and the first step structure cylindrical surface cooperate, can prevent spring 3 from bending 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, spring base 5 it is outer The round inner hole with casing 1, the inner hole 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 step structures, spring 3 cooperates in the outer circle at the end and the cylindrical surface of the second step structure.
In the present embodiment, the inner hole of casing 1 is provided with annular slot;Pipeline from seal structure also include circlip for hole 6, circlip for hole 6 is mounted in the annular slot, for the axially position spring base 5 in casing 1.
In the present embodiment, spring base 5 is provided with stop ledge 51, and the side of spring base 5 is arranged in stop ledge 51, only Side and spring 3 where dynamic boss 5 is opposite, and stop ledge 51 is less than hole elasticity gear in the width of 5 circumferencial direction of spring base The opening width of circle 6, the opening width refer to the opening of 6 circumferencial direction of circlip for hole.Spring base 5 and hole elasticity gear After 6 installation of circle, stop ledge 51 is fallen in the opening of circlip for hole 6, can prevent spring base 5 from rotating.
It is fixed it is understood that spring base 5 can also be realized with casing 1 otherwise.For example, alternative at one In embodiment, spring base 5 is connected through a screw thread with casing 1.
In the present embodiment, the pipeline also includes the first pipe nipple 7, the first pipe nipple 7 and the one of casing 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 casing 1.Second sealing ring For preventing the leakage between the first pipe nipple 7 and the connection screw thread of casing 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, inner hole one end of the sleeve are provided with end cap with holes, and outwardly convex is provided with top pillar 81 on the end cap with holes, the The outer circle of two pipe nipples 8 is set as stepped cylindrical, wherein the outer circle for the cylindrical section being relatively large in diameter is interior with the other end of casing 1 Hole cooperates, and is provided with third sealing ring 18 between mating surface;Nut 9 is set on the lesser cylindrical section of diameter, with 1 screw thread of casing Connection.By rotating nuts 9, nut 9 pushes the second pipe nipple 8 by the step in 8 outer circle of the second pipe nipple, and top pillar 81 is withstood on On the seal face of valve 2, top pillar 81 pushes valve 2,2 compressed spring 3 of valve, thus logical under the threading force effect of nut 9 Cross through-hole connection pipe nipple 7 and the second pipe nipple 8 on valve 2.
The present invention also provides a kind of aircraft, the aircraft includes pipeline as described above from seal structure;The pipeline is certainly Seal structure is for the connection between the pipeline on engine and aircraft.When the connecting line safeguarded to needs is assembled and disassembled, can avoid Oil contamination leaks, and keeps ground crew's operation convenient, improves engine maintenance.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced It changes;And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution Mind and range.

Claims (9)

1. a kind of pipeline from seal structure, characterized by comprising:
Casing (1), described sleeve pipe (1) are internally provided with ring packing boss (11), and the both ends of casing (1) are used for connecting tube Road;
Valve (2), the valve (2) are annulus structure, are provided with through-hole (21) on the side wall of the annulus, described Through-hole (21) is connected to an end face of the valve (2), and the end face is defined as seal face (22), valve (2) installation In the inside of described sleeve pipe (1), it is slidably matched with the inner wall of casing (1);
Spring (3), the spring (3) are mounted on the inside of described sleeve pipe (1), and one end is fixed, and the other end connects with the valve (2) Touching;
The spring (3) is that the valve (2) provide thrust by compression elasticity, and the seal face and the ring packing are convex The side of platform (11) cooperatively forms sealing;
The valve (2) is stepped sleeve, and outer circle includes the cylindrical section of 2 sections of different-diameters, wherein the biggish cylindrical section of outer diameter It is slidably matched with the inner hole of described sleeve pipe (1), the side wall of the lesser cylindrical section of outer diameter is evenly distributed in 3 through-holes, the through-hole The seal face (22) are extended to along the axis direction of valve (2) in the lateral wall compared with roundlet shell of column.
2. pipeline as described in claim 1 is from seal structure, it is characterised in that: be provided with seal groove, institute on the seal face It states and is equipped in seal groove the first sealing ring (23), first sealing ring is bonded in using adhesive by sulfurization described In seal groove on valve (2).
3. pipeline as claimed in claim 2 is from seal structure, it is characterised in that: the inner hole of the valve (2) is provided with First The end face of stage structure (24), the spring (3) is withstood on the step surface of the first step structure, the outer circle of the spring (3) Cooperate with the cylindrical surface of the first step structure.
4. pipeline as claimed in claim 3 is from seal structure, it is characterised in that: the pipeline from seal structure also include spring base (5), the spring base (5) is tube-in-tube structure, the outer circle of the spring base (5) and the inner hole of described sleeve pipe (1), the bullet The inner hole 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 outer circle of the spring (3) and the cylindrical surface of the second step structure cooperate.
5. pipeline as claimed in claim 4 is from seal structure, it is characterised in that: the inner hole of described sleeve pipe (1) is provided with annular snap Slot;The pipeline also includes circlip for hole (6) from seal structure, and the circlip for hole (6) is mounted on the annular snap In slot, it is used for the spring base described in the axially position of described sleeve pipe (1) (5).
6. pipeline as claimed in claim 5 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 in the side of the spring base (5), and stop ledge (51) is in spring base (5) circumference side To width be less than the opening width of the circlip for hole (6), the opening width refers to circlip for hole (6) circumference The opening in direction.
7. pipeline as claimed in claim 6 is from seal structure, it is characterised in that: the pipeline also includes that the first pipe connects from seal structure Mouth (7), first pipe nipple (7) and one end of described sleeve pipe (1) are connected through a screw thread;First pipe nipple (7) and institute It states and is provided with the second sealing ring (17) between the counterface of casing (1).
8. pipeline as claimed in claim 7 is from seal structure, it is characterised in that: the pipeline also includes that the second pipe connects from seal structure Mouth (8) and nut (9);Second pipe nipple (8) is tube-in-tube structure, and inner hole one end of the sleeve is provided with end cap with holes, Outwardly convex is provided with top pillar (81) on the end cap with holes, and the outer circle of second pipe nipple (8) is set as stepped cylindrical, In, the inner hole of the other end of the outer circle and described sleeve pipe (1) for the cylindrical section being relatively large in diameter is provided with third between mating surface Sealing ring (18);The nut (9) is set on the lesser cylindrical section of diameter, is threadedly coupled with described sleeve pipe (1).
9. a kind of aircraft, it is characterised in that: the aircraft includes pipeline as claimed in any one of claims 1 to 8 from seal structure; The pipeline is from seal structure for the connection between the pipeline on engine and aircraft.
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 CN106764149A (en) 2017-05-31
CN106764149B true CN106764149B (en) 2019-05-24

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Families Citing this family (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

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