CN214662643U

CN214662643U - Corrosion-resistant metal hose

Info

Publication number: CN214662643U
Application number: CN202023327020.XU
Authority: CN
Inventors: 徐炜
Original assignee: Suzhou Suhuang Metal Hose Co ltd
Current assignee: Suzhou Suhuang Metal Hose Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-09
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the field of metal hoses, in particular to a corrosion-resistant metal hose, which comprises a hose body, wherein one end of the hose body is provided with a hose connector, the upper end of the hose connector is provided with a screw, one end of the hose connector is connected with a main body, the main body is internally provided with a sealing ring, the inside of the hose body is provided with a flame-retardant layer, the upper end inside the flame-retardant layer is provided with a polyacrylonitrile fiber layer, the middle end inside the flame-retardant layer is provided with a polyester fiber layer, the lower end inside the flame-retardant layer is provided with a fiber bonding layer, the lower end of the flame-retardant layer is connected with a compression-resistant layer, the inside of the compression-resistant layer is provided with a spring, the lower end of the compression-resistant layer is connected with the hose body, the lower end of the hose body is connected with a high temperature-resistant layer, the high temperature resistant layer arranged in the body is made of high temperature resistant heat insulation coating and is a component, can inhibit the heat radiation and the heat conduction of high-temperature objects and low-temperature objects, effectively improve the heat resistance of the hose, and also has pressure resistance and flame retardance.

Description

Corrosion-resistant metal hose

Technical Field

The utility model relates to a metal collapsible tube field especially relates to a corrosion-resistant metal collapsible tube.

Background

Metal hoses are an important component in connecting lines of modern industrial equipment. The metal hose is used as a wire and cable protection pipe for wires, cables and signals of automatic instruments and household shower hoses, and the small-caliber metal hose is mainly used for protecting a sensing line of a precise optical ruler and a line of an industrial sensor. Later, with the advent of rubber in the international market and the development of its vulcanization process, hoses and hoses sheathed with a fabric such as a wire or hemp have come out. However, in engineering, some high-temperature media such as steam and hot air, liquid hydrogen, and low-temperature media such as liquid oxygen and liquid helium; corrosive media such as gasoline, kerosene, acids, and alkalis, if conveyed by a hose, are certainly not feasible. Particularly, under high temperature conditions, the safety and reliability are more difficult to ensure, and therefore, attention is gradually focused on the metal pipe, and the geometric shape of the metal pipe is changed to generate corresponding ripples on the inner surface and the outer surface of the metal pipe. Thus, it has flexibility as much as a hose, and thus, a metal bellows as a metal hose body is produced as a metal hose, which functions much, including as transportation gasoline.

There are the following problems:

at present, the conventional metal hose is corrosion-resistant when used as a corrosive and flammable medium such as gasoline, kerosene, acid, alkali and the like, but does not have high temperature resistance, pressure resistance and flame resistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a corrosion-resistant metal hose.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a corrosion-resistant metal collapsible tube, includes the body, hose nipple is installed to body one end, the screw is installed to the hose nipple upper end, hose nipple one end is connected with the main part, main part internally mounted has the sealing washer, the inside of body is provided with fire-retardant layer, polyacrylonitrile fiber layer is installed to fire-retardant in situ portion's upper end, polyester fiber layer is installed to fire-retardant in situ portion's middle-end, the fibre anchor coat is installed to fire-retardant in situ portion's lower extreme, the lower extreme on fire-retardant layer is connected with the resistance to compression layer, resistance to compression layer internally mounted has the spring, resistance to compression layer lower extreme is connected with the body, the body lower extreme is connected with high temperature resistant layer.

As a further description of the above technical solution:

the hose connector is fixedly mounted at one end of the pipe body, screws are movably mounted at the upper end of the hose connector, and the number of the screws is three.

As a further description of the above technical solution:

hose nipple one end fixedly connected with main part, the inside movable mounting of main part has the sealing washer.

As a further description of the above technical solution:

the inside of body is provided with fire-retardant layer, the inside upper end fixed mounting in fire-retardant layer has the polyacrylonitrile fibre layer.

As a further description of the above technical solution:

the middle end inside the flame-retardant layer is fixedly provided with a polyester fiber layer, and the lower end inside the flame-retardant layer is fixedly provided with a fiber combining layer.

As a further description of the above technical solution:

the lower extreme fixedly connected with anti-pressure layer on fire-retardant layer, the inside fixed mounting of anti-pressure layer has the spring.

As a further description of the above technical solution:

the resistance to compression layer lower extreme fixedly connected with body, body lower extreme fixedly connected with high temperature resistant layer.

The utility model discloses following beneficial effect has: the hose joint is formed by die casting of a zinc alloy material, and the surface of the hose joint is galvanized, frosted or chromeplated; the structure is compact, no air hole exists, the strength is high, the connection with the metal hose is reliable, the appearance is attractive, the flame-retardant layer is arranged, the polyacrylonitrile fiber layer, the polyester fiber layer and the fiber combining layer are included, the polyacrylonitrile fiber layer is made of polyacrylonitrile fiber plastics and has the anti-combustion performance, the polyester fiber layer is made of polyester fiber plastics, the flame-retardant effect is more stable, the mixed fiber layer which has the long-acting performance and is made of fiber combined plastics can keep the flame-retardant performance during combustion, resists combustion flame, relieves the combustion speed, isolates air and stops combustion, when combustible media such as gasoline and the like are transported, the external fire source is effectively isolated, the use safety is improved, the spring is additionally arranged inside the pressure-resistant layer which is arranged by the plastics with higher plasticity in the manufacturing process, the hose can be ensured to return to the original state after being pressed and has no adverse effect, and the pressure resistance of the hose is greatly improved, the high-temperature-resistant layer arranged in the body is made of high-temperature-resistant heat-insulating coating, is a component, can inhibit the heat radiation and heat conduction of high-temperature objects and low-temperature objects, and effectively improves the heat resistance of the hose.

Drawings

Fig. 1 is an overall structure diagram of a corrosion-resistant metal hose according to the present invention;

fig. 2 is a schematic cross-sectional view of a corrosion-resistant metal hose according to the present invention;

fig. 3 is a schematic structural view of a compression-resistant layer of a corrosion-resistant metal hose according to the present invention;

fig. 4 is a schematic structural diagram of a sealing gasket at a hose joint of a corrosion-resistant metal hose according to the present invention.

Illustration of the drawings:

1. a pipe body; 2. a hose connector; 3. a screw; 4. a main body; 5. a seal ring; 6. a flame retardant layer; 7. a layer of polyacrylonitrile fibers; 8. a polyester fiber layer; 9. a fiber bonding layer; 10. a pressure resistant layer; 11. a spring; 12. a body; 13. a high temperature resistant layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a corrosion-resistant metal collapsible tube, including body 1, hose nipple 2 is installed to 1 one end of body, screw 3 is installed to 2 upper ends of hose nipple, 2 one end of hose nipple are connected with main part 4, 4 internally mounted of main part have sealing washer 5, the inside of body 1 is provided with fire-retardant layer 6, polyacrylonitrile fiber layer 7 is installed to the inside upper end in fire-retardant layer 6, polyester fiber layer 8 is installed to the inside middle-end in fire-retardant layer 6, fibre anchor coat 9 is installed to the inside lower extreme in fire-retardant layer 6, the lower extreme in fire-retardant layer 6 is connected with resistance to compression layer 10, resistance to compression layer 10 internally mounted has spring 11, resistance to compression layer 10 lower extreme is connected with body 12, body 12 lower extreme is connected with high temperature resistant layer 13.

In this example, one end of the tube body 1 is fixedly provided with the hose connector 2, the upper end of the hose connector 2 is movably provided with the screws 3, the number of the screws 3 is three, the stability is improved, one end of the hose connector 2 is fixedly connected with the main body 4, the sealing ring 5 is movably arranged in the main body 4, so that the hose has better sealing performance, the tube body 1 is internally provided with the flame-retardant layer 6, the upper end in the flame-retardant layer 6 is fixedly provided with the polyacrylonitrile fiber layer 7, the flame-retardant layer has the anti-combustion performance, the middle end in the flame-retardant layer 6 is fixedly provided with the polyester fiber layer 8, the flame-retardant effect is more stable and has the long-acting performance, the lower end in the flame-retardant layer 6 is fixedly provided with the fiber bonding layer 9, the flame-retardant performance can be kept during combustion, the combustion flame can be resisted, the combustion speed is moderated, air is isolated, the combustion is stopped, the lower end of the flame-retardant layer 6 is fixedly connected with the pressure-resistant layer 10, so that the hose can be effectively molded into an original shape when being pressed, the inside fixed mounting of anti-pressure layer 10 has spring 11, supplementary moulding back, and anti-pressure layer 10 lower extreme fixedly connected with body 12, body 12 lower extreme fixedly connected with high temperature resistant layer 13 effectively improves the high temperature resistance of hose.

The working principle and the process are as follows: use this hose, possess effectual fire behaviour, its outermost fire-retardant layer 6 is when the unexpected burning of hose, including polyacrylonitrile fibre layer 7, polyester fibre layer 8 and fibre anchor coat 9, polyacrylonitrile fibre layer 7 is made by polyacrylonitrile fibre's plastics, has the fire behaviour, polyester fibre layer 8 is made by polyester fibre's plastics, its fire-retardant effect is more stable, fibre anchor coat 9 that has the persistence and fibre anchor coat plastics and make can keep fire resistance when burning, resist burning flame, alleviate the burning speed, isolated air, the stop burning, possess effectual compressive property, spring 11 that the inside spring that is equipped with of the plastic layer that the plasticity in the compressive layer 10 is high, can effectively return when pressurized and mould into the original state, the high temperature resistance of hose is effectively improved to inside high temperature resistant layer 13 of its body 12.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a corrosion-resistant metal collapsible tube, includes body (1), its characterized in that: hose nipple (2) are installed to body (1) one end, screw (3) are installed to hose nipple (2) upper end, hose nipple (2) one end is connected with main part (4), main part (4) internally mounted has sealing washer (5), the inside of body (1) is provided with fire-retardant layer (6), polyacrylonitrile fiber layer (7) are installed to the inside upper end of fire-retardant layer (6), polyester fiber layer (8) are installed to the inside middle-end of fire-retardant layer (6), fibrous anchor coat (9) are installed to the inside lower extreme of fire-retardant layer (6), the lower extreme of fire-retardant layer (6) is connected with crushing layer (10), crushing layer (10) internally mounted has spring (11), crushing layer (10) lower extreme is connected with body (12), body (12) lower extreme is connected with high temperature resistant layer (13).

2. A corrosion-resistant metal hose according to claim 1, wherein: the hose is characterized in that a hose connector (2) is fixedly mounted at one end of the hose body (1), screws (3) are movably mounted at the upper end of the hose connector (2), and the number of the screws (3) is three.

3. A corrosion-resistant metal hose according to claim 1, wherein: hose nipple (2) one end fixedly connected with main part (4), main part (4) inside movable mounting has sealing washer (5).

4. A corrosion-resistant metal hose according to claim 1, wherein: the flame-retardant pipe is characterized in that a flame-retardant layer (6) is arranged inside the pipe body (1), and a polyacrylonitrile fiber layer (7) is fixedly arranged at the upper end inside the flame-retardant layer (6).

5. A corrosion-resistant metal hose according to claim 1, wherein: the middle end of the interior of the flame-retardant layer (6) is fixedly provided with a polyester fiber layer (8), and the lower end of the interior of the flame-retardant layer (6) is fixedly provided with a fiber binding layer (9).

6. A corrosion-resistant metal hose according to claim 1, wherein: the lower end of the flame-retardant layer (6) is fixedly connected with a pressure-resistant layer (10), and a spring (11) is fixedly arranged in the pressure-resistant layer (10).

7. A corrosion-resistant metal hose according to claim 1, wherein: the lower end of the pressure resistant layer (10) is fixedly connected with a body (12), and the lower end of the body (12) is fixedly connected with a high temperature resistant layer (13).