CN214947181U

CN214947181U - Metal hose applied to narrow space of airplane

Info

Publication number: CN214947181U
Application number: CN202120164620.4U
Authority: CN
Inventors: 林波
Original assignee: Nanjing Rouke Aviation Equipment Technology Co ltd
Current assignee: Nanjing Rouke Aviation Equipment Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-11-30
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a be applied to metal collapsible tube in narrow and small space of aircraft relates to metal collapsible tube technical field, for solving current pipeline design and for installing after multistage hard tube and return bend combination welding, wait that equipment location is good after, segmentation welding hard tube and elbow, the leak source is many, the welding degree of difficulty is big, can't detect the problem that air tightness performance, weight are great in advance. The utility model discloses a hose, including metal collapsible tube, the metal collapsible tube main part is provided with flat mouthpiece, the below of flat mouthpiece is provided with the seamless hard return bend of thin wall, be provided with the hose between seamless hard return bend of thin wall and the flat mouthpiece, be provided with the bulge loop on the outer wall of hose, and the bulge loop is provided with two, the inner wall of hose is provided with the clamping ring, the inside of clamping ring is provided with the cavity.

Description

Metal hose applied to narrow space of airplane

Technical Field

The utility model relates to a metal collapsible tube technical field specifically is a metal collapsible tube who is applied to narrow and small space of aircraft.

Background

The hose is a pipe fitting commonly used in the use process of a pipeline structure, and the metal hose is a pipeline structure which is applied to a large number of fields of the hose, is an indispensable component in an industrial pipe network and is mainly used for connection of branch equipment. However, due to environmental factors, many metal hoses have a serious wear on part of the pipe sections and poor sealing performance, and therefore, a jacket needs to be additionally arranged outside the metal hoses to prolong the service life of the metal hoses. The metal hose has the functions of fatigue resistance, pressure resistance, corrosion resistance, high and low temperature resistance, installation displacement compensation, vibration absorption, noise absorption and the like, so that the metal hose is widely applied to the fields of aviation, aerospace and the like.

The existing pipeline is designed to be installed after the multi-section hard pipe and the bent pipe are combined and welded, after the equipment is positioned, the hard pipe and the elbow are welded in a subsection mode, so that the leakage points are more, the welding difficulty is high, the air tightness performance cannot be detected in advance, and the weight is larger; therefore, the existing requirements are not met, and a metal hose applied to a narrow space of an airplane is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to metal collapsible tube in narrow and small space of aircraft to solve the current pipeline design that proposes among the above-mentioned background art and install for multistage hard tube and return bend combination welding back, wait equipment location good back, subdivision welding hard tube and elbow, the leak source is many, the welding degree of difficulty is big, can't detect the problem that air tightness performance, weight are great in advance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to metal collapsible tube in narrow and small space of aircraft, includes the metal collapsible tube main part, be provided with flat mouthpiece in the metal collapsible tube main part, the below of flat mouthpiece is provided with the seamless hard return bend of thin wall, be provided with the hose between seamless hard return bend of thin wall and the flat mouthpiece, be provided with the bulge loop on the outer wall of hose, and the bulge loop is provided with two, the inner wall of hose is provided with the clamping ring, the inside of clamping ring is provided with the cavity.

Preferably, both ends of the hose are respectively and fixedly connected with the flat nozzle and the thin-wall seamless hard bent pipe through connecting pipes.

Preferably, a thin-wall corrugated pipe is fixedly arranged between the two convex rings, and a net cover is arranged on the outer wall of the thin-wall corrugated pipe.

Preferably, the outer wall of one end of the flat nozzle is provided with a first hexagon nut, and the outer wall of one end of the thin-wall seamless hard elbow is provided with a second hexagon nut.

Preferably, the inside of cavity is provided with the design ring, and designs the ring and be provided with threely.

Preferably, the outer wall of the sizing ring is provided with a connecting lantern ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a metal collapsible tube main part adopts seamless hard return bend of thin wall and hose combination welding, and seamless hard return bend of thin wall adopts the one shot forming of seamless pipe of thin wall, and the centre does not have the welding point, and the hose adopts thin wall bellows to add the screen cloth cover and closes the piece and cooperate, has realized the three-dimensional installation requirement of piping, but compensation installation displacement, and absorption piping vibration is satisfying under the aircraft part performance requirement, and weight obtains lightening.

2. Through setting up the takeover, it is more firm that the takeover can make hose and flat nozzle and the seamless hard return bend of thin wall fixed, be provided with first hexagon nut on the outer wall of flat nozzle one end, be provided with second hexagon nut on the outer wall of the seamless hard return bend one end of thin wall, the setting of first hexagon nut and second hexagon nut, it rotates the metal collapsible tube main part to be convenient for utilize the instrument, the inside of cavity is provided with the standard ring, and the standard ring is provided with threely, be provided with the connection lantern ring on the outer wall of standard ring, when the hose expends with heat and contracts with cold, the connection lantern ring receives the extrusion can be compressed, the standard ring has certain elasticity, when receiving the compression of the connection lantern ring, the effect of binding has, and then the diameter of appropriate regulation connection ring, prevent that the hose inflation makes pipeline section department appear the breach, the leakproofness reduces.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the hose of the present invention;

fig. 3 is a schematic top view of the hose of the present invention;

FIG. 4 is a schematic view of the internal structure of the connecting ring of the present invention;

in the figure: 1. a metal hose body; 2. a first hexagonal nut; 3. a flat nozzle; 4. taking over a pipe; 5. a convex ring; 6. a net cover; 7. a thin-walled bellows; 8. thin-wall seamless hard bent pipe; 9. a second hexagonal nut; 10. a hose; 11. a connecting ring; 12. a cavity; 13. shaping rings; 14. and connecting the lantern ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a be applied to metal collapsible tube in narrow and small space of aircraft, including metal collapsible tube main part 1, be provided with flat mouthpiece 3 on the metal collapsible tube main part 1, flat mouthpiece 3's below is provided with thin wall seamless hard return bend 8, thin wall seamless hard return bend 8 adopts thin wall seamless pipe one-time bending, the centre does not have the welding point, be provided with hose 10 between thin wall seamless hard return bend 8 and the flat mouthpiece 3, be provided with bulge loop 5 on hose 10's the outer wall, and bulge loop 5 is provided with two, bulge loop 5 is convenient for connect, can play certain cushioning effect when hose 10 shrink, stability is improved, hose 10's inner wall is provided with clamping ring 11, clamping ring 11's inside is provided with cavity 12.

Furthermore, both ends of the hose 10 are respectively fixedly connected with the flat nozzle 3 and the thin-wall seamless hard bent pipe 8 through the connecting pipe 4, and the connecting pipe 4 can enable the hose 10 to be more firmly fixed with the flat nozzle 3 and the thin-wall seamless hard bent pipe 8.

Furthermore, a thin-wall corrugated pipe 7 is fixedly arranged between the two convex rings 5, a net sleeve 6 is arranged on the outer wall of the thin-wall corrugated pipe 7, and the thin-wall corrugated pipe 7 and the net sleeve 6 are matched with each other, so that the three-dimensional installation requirement of the piping system is met, the installation displacement can be compensated, the vibration of the piping system is absorbed, and the weight is reduced under the condition of meeting the performance requirement of airplane parts.

Further, be provided with first hexagon nut 2 on the outer wall of 3 one ends of plain tube mouth, be provided with second hexagon nut 9 on the outer wall of 8 one ends of seamless hard return bends of thin wall, the setting of first hexagon nut 2 and second hexagon nut 9 is convenient for utilize the instrument to rotate metal collapsible tube main part 1.

Further, the inside of cavity 12 is provided with the design ring 13, and design ring 13 is provided with three, and design ring 13 has certain elasticity, when receiving the compression of connecting lantern ring 14, has the effect of tightening up, and then the diameter of suitable regulation connecting ring 11.

Further, the connection lantern ring 14 has certain elasticity, and when the hose 10 expands with heat and contracts with cold, the connection lantern ring 14 receives the extrusion and can be compressed, prevents that the hose 10 inflation from making the pipeline section department appear the breach, and the leakproofness reduces.

The working principle is as follows: when in use, the thin-wall seamless hard elbow 8 and the hose 10 are welded in a combined manner, the connecting pipe 4 is arranged, the hose 10, the flat nozzle 3 and the thin-wall seamless hard elbow 8 can be more firmly fixed by the connecting pipe 4, the first hexagon nut 2 is arranged on the outer wall of one end of the flat nozzle 3, the second hexagon nut 9 is arranged on the outer wall of one end of the thin-wall seamless hard elbow 8, the first hexagon nut 2 and the second hexagon nut 9 are arranged, the metal hose main body 1 can be conveniently rotated by using a tool, the setting rings 13 are arranged inside the cavity 12, the three setting rings 13 are arranged, the connecting lantern ring 14 is arranged on the outer wall of the setting ring 13, when the hose 10 expands with heat and cold, the connecting lantern ring 14 is compressed by extrusion, the setting rings 13 have certain elasticity, when being compressed by the connecting lantern ring 14, the tightening effect is achieved, and the diameter of the connecting ring 11 is further appropriately adjusted, the expansion of the hose 10 is prevented to cause the pipe section to be split, the sealing performance is reduced, the thin-wall seamless hard bent pipe 8 is formed by bending the thin-wall seamless pipe at one time, no welding point exists in the middle, the hose 10 is matched by adopting a thin-wall corrugated pipe 7 and net sleeve 6 combined piece, the three-dimensional installation requirement of the pipe system is realized, the installation displacement can be compensated, the vibration of the pipe system is absorbed, and the weight is reduced under the condition of meeting the performance requirement of airplane parts.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be applied to metal collapsible tube in aircraft narrow and small space, includes metal collapsible tube main part (1), its characterized in that: be provided with flat mouth of pipe (3) on metal collapsible tube main part (1), the below of flat mouth of pipe (3) is provided with seamless hard return bend (8) of thin wall, be provided with hose (10) between seamless hard return bend (8) of thin wall and flat mouth of pipe (3), be provided with bulge loop (5) on the outer wall of hose (10), and bulge loop (5) are provided with two, the inner wall of hose (10) is provided with clamping ring (11), the inside of clamping ring (11) is provided with cavity (12).

2. The metal hose for the narrow space of the airplane as claimed in claim 1, wherein: and two ends of the hose (10) are respectively and fixedly connected with the flat nozzle (3) and the thin-wall seamless hard bent pipe (8) through the connecting pipe (4).

3. The metal hose for the narrow space of the airplane as claimed in claim 1, wherein: a thin-wall corrugated pipe (7) is fixedly arranged between the two convex rings (5), and a net sleeve (6) is arranged on the outer wall of the thin-wall corrugated pipe (7).

4. The metal hose for the narrow space of the airplane as claimed in claim 1, wherein: the outer wall of one end of the flat pipe nozzle (3) is provided with a first hexagon nut (2), and the outer wall of one end of the thin-wall seamless hard bent pipe (8) is provided with a second hexagon nut (9).

5. The metal hose for the narrow space of the airplane as claimed in claim 1, wherein: the inside of cavity (12) is provided with design ring (13), and design ring (13) are provided with threely.

6. The metal hose for the narrow space of the airplane as claimed in claim 5, wherein: the outer wall of the shaping ring (13) is provided with a connecting lantern ring (14).