CN206513443U - A kind of engine bleed pipe and the engine with it - Google Patents
A kind of engine bleed pipe and the engine with it Download PDFInfo
- Publication number
- CN206513443U CN206513443U CN201720084209.XU CN201720084209U CN206513443U CN 206513443 U CN206513443 U CN 206513443U CN 201720084209 U CN201720084209 U CN 201720084209U CN 206513443 U CN206513443 U CN 206513443U
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- engine
- inner tube
- outer tube
- bleed pipe
- tube
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Abstract
The utility model discloses a kind of engine bleed pipe and the engine with it, it is related to technical field of engines.The engine bleed pipe is included：Inner tube (9), said inner tube (9) is used for the bleed of engine；Outer tube (8), the outer tube (8) is set in said inner tube (9), closed cavity (3) is formed between the madial wall of outer tube (8) and the lateral wall of inner tube (9), the closed cavity (3) is provided with air inlet (31) and gas outlet (32).The engine includes air entraining pipe as described above.The utility model has the advantage of：Engine bleed pipe of the present utility model is not on the basis of air entraining pipe two ends attachment structure is changed, air entraining pipe is designed to Double layer pipeline, outer tube is set in inner tube, and closed cavity is formed between outer tube and inner tube, by being passed through High Temperature Gas into closed cavity, to the gas heating of internal tube, prevent because outer tube heat exchange causes cold air in bleed inner tube to condense into water or icing block channels.
Description
Technical field
The utility model is related to technical field of engines, and in particular to a kind of engine bleed pipe and starting with it
Machine.
Background technology
Due to the pressure tap and the maintenance needs of temperature measuring point on the annex and pipeline on engine, typically in annex and pipe
Road is arranged in the range of aircraft maintenance lid as far as possible when arranging, often leads to complex-shaped during pipeline laying, and this makes hair
The design of motivation breather pipe is increasingly difficult.Air entraining pipe often has many places bend pipe, and in position, water vapour solidification easily occurs in minimum point
Water, and then in the easy ice blockage pipeline to the cold of its lowest position of air entraining pipe.According to the qualitative of bleed air line cold air condensation
Analysis is understood, only is difficult to solve the problems, such as by changing pipeline shape, is needed a kind of method or pipeline structure to solve air entraining pipe cold air and is coagulated
The problem of knot.
Utility model content
The purpose of this utility model is to provide a kind of engine bleed pipe and the engine with it, to solve or at least subtract
Gently at least one in the presence of background technology the problem of.
The technical solution adopted in the utility model is：A kind of engine bleed pipe is provided, comprising：
Inner tube, said inner tube is used for the bleed of engine；
Outer tube, the outer tube is set in said inner tube, and closing is formed between the madial wall of outer tube and the lateral wall of inner tube
Cavity, the closed cavity is provided with air inlet and gas outlet.
Preferably, two ends of the air inlet with the gas outlet respectively close to the closed cavity are set, the closing
The two ends of cavity refer to the two ends of the axis direction along the outer tube.
Preferably, the engine bleed pipe is also comprising closure positioning sleeve, and the closure positioning sleeve is provided with inside and outside coaxial
Two faces of cylinder；The inner cylinder face of the closure positioning sleeve coordinates with the external cylindrical surface of said inner tube to be fixedly connected, the envelope
The external cylindrical surface of stifled positioning sleeve coordinates with the inner cylinder face of the outer tube to be fixedly connected.
Preferably, the engine bleed pipe also includes flat ozzle and nut, one end of the flat ozzle and said inner tube
One end be fixedly connected, the other end of flat ozzle is connected with the nut, the nut be used for connect bleed air line；Said inner tube
Two ends be provided with the flat ozzle and nut.
Preferably, the engine bleed pipe is also comprising 2 outside cone joints, and the outside cone joint is being provided centrally with respectively
Through hole；The outside cone joint is fixedly connected with the outer tube, the through hole on one of them described outside cone joint and the air inlet
Through hole on connection, another described outside cone joint is connected with the gas outlet.
The utility model additionally provides a kind of engine, and the engine includes engine bleed as above described in any one
Pipe.
The beneficial effects of the utility model are：
Engine bleed pipe of the present utility model is applicable to the pipeline of various aero-engines, is not changing air entraining pipe two
Hold on the basis of attachment structure, air entraining pipe is designed to Double layer pipeline, comprising inner tube and outer tube, outer tube is set in inner tube, and
Closed cavity is formed between outer tube and inner tube, by being passed through High Temperature Gas into closed cavity, to the gas heating of internal tube,
Prevent because outer tube heat exchange causes cold air in bleed inner tube to condense into water or icing block channels.
Brief description of the drawings
Fig. 1 is the structural representation of the engine bleed pipe of the embodiment of the utility model one.
Wherein, outside 1- nuts, 2- flat ozzles, 3- closed cavities, 31- air inlets, 32- gas outlets, 5- closure positioning sleeves, 6-
Taper joint, 8- outer tubes, 9- inner tubes.
Embodiment
To make the purpose, technical scheme and advantage of the utility model implementation clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Described reality
It is a part of embodiment of the utility model to apply example, rather than whole embodiments.The embodiment described below with reference to accompanying drawing
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, 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 ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicate or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
As shown in figure 1, a kind of engine bleed pipe, includes outer tube 8 and inner tube 9.The two ends of inner tube 9 connect other air entraining pipes
Road, inner tube 9 is used for the bleed of engine；Outer tube 8 is set in inner tube 9, between the madial wall of outer tube 8 and the lateral wall of inner tube 9
Closed cavity 3 is formed, closed cavity 3 is provided with air inlet 31 and gas outlet 32.Air inlet 31 is used for the input of High Temperature Gas, high
Wet enters closed cavity 3 by air inlet 31, and is flowed out by gas outlet 32, can so suppress to keep in closed cavity 3
Temperature, so as to prevent the internal gas of inner tube 9 to be condensed into the position ice blockage pipeline of telling somebody what one's real intentions are of water or condensed water in inner tube 9.
In the present embodiment, 1 outer tube 8 is provided only with inner tube 9.It is understood that can be covered in said inner tube 9
If multiple outer tubes 8, for example, in an alternative embodiment, 3 outer tubes, 8,3 outer tubes 8 are provided with an inner tube 9 mutually solely
It is vertical, it is fixedly connected respectively with inner tube 9 and forms closed cavity；In another alternative, 2 are provided with 1 inner tube 9
8,2 outer tubes 8 of outer tube are a distance away.
In the present embodiment, two ends of the air inlet 31 with gas outlet 32 respectively close to closed cavity 3 are set, closed cavity 3
Two ends refer to the two ends of the axis direction along outer tube 8.It the advantage is that, High Temperature Gas enters after closed cavity 3 from air inlet 31,
The other end is flowed to along the axis of outer tube 8 from one end in closed cavity 3, is then flowed out from gas outlet 32, is conducive to keeping closing
Temperature everywhere in cavity 3.
In the present embodiment, engine bleed pipe is also comprising closure positioning sleeve 5, and closure positioning sleeve 5 is provided with inside and outside coaxial
Two faces of cylinder；The inner cylinder face of positioning sleeve 5 is blocked to be fixedly connected with the external cylindrical surface cooperation of inner tube 9, closure positioning sleeve 5
External cylindrical surface coordinates with the inner cylinder face of outer tube 8 to be fixedly connected.Specifically, as shown in figure 1, closure positioning sleeve 5 is set in inner tube 9
On, and be fixedly connected by welding, axially position boss is provided with the external cylindrical surface for blocking positioning sleeve 5, outer tube 8 is fixed with closure
The face of cylinder of position set 5 coordinates, and is positioned by the axially position boss, and outer tube 8 is with closure positioning sleeve 5 in axially position boss
Place is fixedly connected by welding.
It is understood that closure positioning sleeve 5 and the connection of outer tube 8 and inner tube 9 can also use other manner.For example,
In an alternative embodiment, closure positioning sleeve 5 is threadably secured with inner tube 9 and be connected, and block positioning sleeve 5 and inner tube 9 it
Between mating surface between and closure positioning sleeve 5 and outer tube 8 between mating surface between be provided with seal；At another
Select in embodiment, be threadably secured between closure positioning sleeve 5 and outer tube 8 between connection, and closure positioning sleeve 5 and inner tube 9
Seal is provided between mating surface between mating surface and between closure positioning sleeve 5 and outer tube 8.
In the present embodiment, engine bleed pipe also includes flat ozzle 2 and nut 1, one end and the inner tube 9 of flat ozzle 2
One end is fixedly connected, and the other end of flat ozzle 2 is connected with nut 1, and nut 1 is used to connect bleed air line；The two ends of inner tube 9 are all provided with
It is equipped with flat ozzle 2 and nut 1.Specifically, nut 1 is set in flat ozzle 2, and can freely be rotated, nut 1 passes through screw thread
It is connected with other bleed air lines.It the advantage is that, it is not necessary to change the structure of other pipelines, equipment improves small, and applicability is good.
In the present embodiment, engine bleed pipe is also comprising 2 outside cone joints 6, and outside cone joint 6 is being provided centrally with respectively
Through hole；Outside cone joint 6 is fixedly connected with outer tube 8, and the through hole on one of outside cone joint 6 is connected with air inlet 31, another
Through hole on outside cone joint 6 is connected with gas outlet 32.Outside cone joint can realize the quick connection with other pipelines.
Air entraining pipe of the present utility model is when in processing, first water filling in the closed cavity between inner tube 9 and outer tube 8, and
Inner tube 9 and outer tube 8 are felt relieved using closure positioning sleeve 5 and welded.Then utilize after liquid nitrogen frozen, liquid nitrogen frozen and take out, bend to
Type.After brake forming, excision two ends closure positioning sleeve 5, the cavity between dry cleansing inner tube 9 and outer tube 8 exists by given size
Gas port 31 and gas outlet 32 are crept on outer tube 8 respectively；The positioning plugging weldering of closure positioning sleeve 5 is respectively adopted in outer tube 8, the two ends of inner tube 9
Connect to form closed cavity 3；Nut 1 is inserted in after flat ozzle 2,2 flat ozzles 2 and the two ends of inner tube 9 are integrally welded；By 2
Air inlet 31 and gas outlet 32 on the Kong Xinyu outer tubes 8 of individual outside cone joint 6 align and integrally welded；In the course of work, from
Draw High Temperature Gas in Engine Anti-Ice bleed air line, enter the closing that outer tube 8, inner tube 9, closure positioning sleeve 5 are formed from air inlet 32
In cavity 3, flowed out to from gas outlet 31 on engine bleed pipe, High Temperature Gas is persistently heated to outer tube 8, inner tube 9.
The utility model additionally provides a kind of engine, and the engine includes engine bleed pipe as described above.
It is last it is to be noted that：Above example is only limited to illustrate the technical solution of the utility model, rather than to it
System.Although the utility model is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art should manage
Solution：It can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment of the utility model
The spirit and scope of technical scheme.
Claims (6)
1. a kind of engine bleed pipe, it is characterised in that include：
Inner tube (9), said inner tube (9) is used for the bleed of engine；
Outer tube (8), the outer tube (8) is set in said inner tube (9), the madial wall of outer tube (8) and the lateral wall of inner tube (9) it
Between form closed cavity (3), the closed cavity (3) is provided with air inlet (31) and gas outlet (32).
2. engine bleed pipe as claimed in claim 1, it is characterised in that：The air inlet (31) and the gas outlet (32)
Set respectively close to the two ends of the closed cavity (3), the two ends of the closed cavity (3) refer to the axle along the outer tube (8)
The two ends in line direction.
3. engine bleed pipe as claimed in claim 2, it is characterised in that：The engine bleed pipe is also comprising closure positioning
Cover (5), the closure positioning sleeve (5) is provided with inside and outside two coaxial faces of cylinder；The interior cylinder of the closure positioning sleeve (5)
Face coordinates with the external cylindrical surface of said inner tube (9) to be fixedly connected, the external cylindrical surface and the outer tube of the closure positioning sleeve (5)
(8) inner cylinder face, which coordinates, to be fixedly connected.
4. engine bleed pipe as claimed in claim 3, it is characterised in that：The engine bleed pipe also includes flat ozzle
(2) and nut (1), one end of the flat ozzle (2) is fixedly connected with one end of said inner tube (9), the other end of flat ozzle (2)
It is connected with the nut (1), the nut (1) is used to connect bleed air line；The two ends of said inner tube (9) are provided with described flat
Ozzle (2) and nut (1).
5. engine bleed pipe as claimed in claim 4, it is characterised in that：The engine bleed pipe is also comprising 2 outer cones
Joint (6), the outside cone joint (6) is being provided centrally with through hole respectively；The outside cone joint (6) is fixed with the outer tube (8)
Through hole on connection, one of them described outside cone joint (6) is connected with the air inlet (31), another described outside cone joint
(6) through hole on is connected with the gas outlet (32).
6. a kind of engine, it is characterised in that：The engine is included starts power traction as described in any one of claim 1 to 5
Tracheae.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720084209.XU CN206513443U (en) | 2017-01-23 | 2017-01-23 | A kind of engine bleed pipe and the engine with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720084209.XU CN206513443U (en) | 2017-01-23 | 2017-01-23 | A kind of engine bleed pipe and the engine with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513443U true CN206513443U (en) | 2017-09-22 |
Family
ID=59865706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720084209.XU Active CN206513443U (en) | 2017-01-23 | 2017-01-23 | A kind of engine bleed pipe and the engine with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513443U (en) |
-
2017
- 2017-01-23 CN CN201720084209.XU patent/CN206513443U/en active Active
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