CN214999940U

CN214999940U - Cold-resistant low temperature resistant metal collapsible tube

Info

Publication number: CN214999940U
Application number: CN202121430317.0U
Authority: CN
Inventors: 金多万
Original assignee: Shanghai Tianqing Industrial Co ltd
Current assignee: Shanghai Tianqing Industrial Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a cold-resistant microthermal resistant metal collapsible tube, including the oversheath, the inner wall fixedly connected with metal collapsible tube body of oversheath, the equal fixedly connected with connecting piece in both sides around the metal collapsible tube body, one side fixedly connected with connector of metal collapsible tube body is kept away from to the connecting piece, the inner wall of metal collapsible tube body is provided with the inner liner, the inner liner includes the inoxidizing coating, and the inner wall of inoxidizing coating is provided with the glass fiber layer. The utility model discloses an oversheath, polyethylene sheath one, ball, polyethylene sheath two, polyimide film, glass fiber layer and polychlorotrifluoroethylene layer's cooperation is used, possesses cold-resistant microthermal resistant advantage, has solved current metal collapsible tube and has generally not possessed cold-resistant microthermal resistant function, under the condition that cold weather used, causes the condition of pipeline frost crack very easily, and its inside transport medium receives the influence because of low temperature very easily, can't satisfy the problem of daily user demand.

Description

Cold-resistant low temperature resistant metal collapsible tube

Technical Field

The utility model relates to a metal collapsible tube technical field specifically is a cold-resistant microthermal resistant metal collapsible tube.

Background

The metal hose is an important component in a connecting pipeline of modern industrial equipment, the metal hose is used as a wire and cable protection pipe for wires, cables and signals of an automatic instrument and a civil shower hose, the specification is from 3mm to 150mm, and the small-caliber metal hose (the inner diameter is 3mm-25mm) is mainly used for protecting a sensing line of a precise optical ruler and a line of an industrial sensor.

The existing metal hose generally does not have the functions of cold resistance and low temperature resistance, the condition of frost crack of a pipeline is easily caused under the condition of using in cold weather, and a conveying medium in the metal hose is easily influenced due to low temperature, so that the daily use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold-resistant microthermal resistant metal collapsible tube possesses cold-resistant microthermal resistant advantage, has solved current metal collapsible tube and generally has not possessed cold-resistant microthermal resistant function, under the condition that cold weather used, causes the condition of pipeline frost crack very easily, and its inside transport medium receives the influence because of low temperature very easily, can't satisfy the problem of daily user demand.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cold-resistant microthermal resistant metal collapsible tube, includes the oversheath, the inner wall fixedly connected with metal collapsible tube body of oversheath, the equal fixedly connected with connecting piece in both sides around the metal collapsible tube body, one side fixedly connected with connector of metal collapsible tube body is kept away from to the connecting piece, the inner wall of metal collapsible tube body is provided with the inner liner, the inner liner includes the inoxidizing coating, the inner wall of inoxidizing coating is provided with the glass fiber layer, the outer wall and the equal fixedly connected with polyimide film of inner wall of glass fiber layer, outside polyimide film fixed connection are in the inner wall of inoxidizing coating, and the inner wall fixedly connected with of inside polyimide film gathers the chlorotrifluoroethylene layer.

Preferably, the inner wall of the connector is provided with internal threads in a surrounding mode, and the outer sheath is a metal stainless steel wire mesh.

Preferably, the protective layer comprises a first polyethylene sheath, a ball and a second polyethylene sheath, the first polyethylene sheath is fixedly connected to the inner wall of the metal hose body, and the ball is arranged between the inner wall of the first polyethylene sheath and the outer wall of the second polyethylene sheath.

Preferably, the inner wall of the first polyethylene sheath is provided with a first sliding groove in a surrounding manner, the outer wall of the second polyethylene sheath is provided with a second sliding groove in a surrounding manner, and the ball is connected between the first sliding groove and the second sliding groove in a sliding manner.

Preferably, the thickness of the polychlorotrifluoroethylene layer and the thickness of the glass fiber layer are both 5mm, and the thickness of the polyimide film is 1.5 mm.

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

1. the utility model discloses an oversheath, polyethylene sheath one, ball, polyethylene sheath two, polyimide film, glass fiber layer and polychlorotrifluoroethylene layer's cooperation is used, possesses cold-resistant microthermal resistant advantage, has solved current metal collapsible tube and has generally not possessed cold-resistant microthermal resistant function, under the condition that cold weather used, causes the condition of pipeline frost crack very easily, and its inside transport medium receives the influence because of low temperature very easily, can't satisfy the problem of daily user demand.

2. The utility model discloses a use of oversheath can protect the metal collapsible tube body outside, avoids it to rust, through the use of connector, can be connected with outside pipeline, through the use of inoxidizing coating, can protect pipeline inside, takes place to damage when avoiding its long-term deformation.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a sectional three-dimensional structure view of the present invention;

FIG. 3 is a partial three-dimensional cross-sectional structural view of the inner liner of the present invention;

fig. 4 is a partial three-dimensional cross-sectional structure view of the protective layer of the present invention.

In the figure: the pipe comprises an outer sheath 1, a connecting piece 2, a connecting head 3, a metal hose body 4, an inner lining layer 5, a protective layer 51, a polyethylene sheath I511, a ball 512, a polyethylene sheath II 513, a polyimide film 52, a glass fiber layer 53 and a polychlorotrifluoroethylene layer 54.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, a cold-resistant and low-temperature-resistant metal hose comprises an outer sheath 1, wherein the outer portion of a metal hose body 4 can be protected by using the outer sheath 1, so as to avoid rusting, the inner wall of the outer sheath 1 is fixedly connected with the metal hose body 4, the front side and the rear side of the metal hose body 4 are fixedly connected with connecting pieces 2, one side of each connecting piece 2 far away from the metal hose body 4 is fixedly connected with a connector 3, and can be connected with an external pipeline by using the connector 3, the inner wall of the metal hose body 4 is provided with an inner liner layer 5, the inner liner layer 5 comprises a protective layer 51, the inner part of the pipeline can be protected by using the protective layer 51, so as to avoid damage of the inner part of the pipeline during long-term deformation, the inner wall of the protective layer 51 is provided with a glass fiber layer 53, and the metal hose has good tensile property, good insulating property and low temperature resistance by using the glass fiber layer 53, The outer wall and the inner wall of the glass fiber layer 53 are both fixedly connected with a polyimide film 52, the polyimide film 52 is used to have excellent heat resistance, radiation resistance and high strength, the cold and hot shrinkage stress is small, the wear resistance and self-lubrication are good, the outer polyimide film 52 is fixedly connected with the inner wall of the protective layer 51, the inner wall of the inner polyimide film 52 is fixedly connected with a polychlorotrifluoroethylene layer 54, and the polychlorotrifluoroethylene layer 54 is used to have excellent chemical stability, insulativity and weather resistance and can be used for a long time at 125 ℃ of minus 196 plus materials;

the inner wall of the connector 3 is provided with internal threads in a surrounding mode, and the outer sheath 1 is a metal stainless steel wire mesh;

the protective layer 51 comprises a first polyethylene sheath 511, a ball 512 and a second polyethylene sheath 513, wherein the first polyethylene sheath 511 is fixedly connected to the inner wall of the metal hose body 4, and the ball 512 is arranged between the inner wall of the first polyethylene sheath 511 and the outer wall of the second polyethylene sheath 513;

the inner wall of the first polyethylene sheath 511 is provided with a first sliding groove in a surrounding manner, the outer wall of the second polyethylene sheath 513 is provided with a second sliding groove in a surrounding manner, and the balls 512 are connected between the corresponding first sliding groove and the second sliding groove in a sliding manner;

the thickness of the polychlorotrifluoroethylene layer 54 and the glass fiber layer 53 are both 5mm, and the thickness of the polyimide film 52 is 1.5 mm;

through oversheath 1, polyethylene sheath one 511, ball 512, two 513 of polyethylene sheath, polyimide film 52, glass fiber layer 53 and polytrifluorochloroethylene layer 54's cooperation is used, possess cold-resistant low temperature resistant advantage, it does not generally possess cold-resistant low temperature resistant function to have solved current metal collapsible tube, under the condition of cold weather use, cause the condition of pipeline frost crack very easily, and its inside transport medium receives the influence because of the low temperature very easily, can't satisfy daily user demand's problem.

When the protective sleeve is used, the outer part of the metal hose body 4 can be protected by the outer sheath 1 to avoid rusting, the protective sleeve can be connected with an external pipeline by the connector 3, the inner part of the pipeline can be protected by the protective layer 51 to avoid damage during long-term deformation, the polyimide film 52 has excellent heat resistance, radiation resistance and high strength, small cold and hot shrinkage stress and good wear-resistant self-lubricating property, the glass fiber layer 53 has the advantages of good tensile property, good insulating property, strong heat resistance and good corrosion resistance, and the polychlorotrifluoroethylene layer 54 has excellent chemical stability, insulating property and weather resistance and can be used for a long time at-196 ℃ and 125 ℃.

In summary, the following steps: this cold-resistant low temperature resistant metal collapsible tube, through oversheath 1, polyethylene sheath one 511, ball 512, two 513 of polyethylene sheath, polyimide film 52, glass fiber layer 53 and polytrifluorochloroethylene layer 54's cooperation are used, it does not generally possess cold-resistant low temperature resistant function to have solved current metal collapsible tube, under the condition of cold weather use, cause the condition of pipeline frost crack very easily, and its inside transport medium receives the influence because of the low temperature very easily, can't satisfy the problem of daily user demand.

Claims

1. The utility model provides a cold-resistant cryogenic metal collapsible tube, includes oversheath (1), its characterized in that: the inner wall fixedly connected with metal collapsible tube body (4) of oversheath (1), the equal fixedly connected with connecting piece (2) in both sides around metal collapsible tube body (4), one side fixedly connected with connector (3) of metal collapsible tube body (4) are kept away from in connecting piece (2), the inner wall of metal collapsible tube body (4) is provided with inner liner (5), inner liner (5) are including inoxidizing coating (51), the inner wall of inoxidizing coating (51) is provided with glass fiber layer (53), the outer wall and the equal fixedly connected with polyimide film (52) of inner wall of glass fiber layer (53), outside polyimide film (52) fixed connection are in the inner wall of inoxidizing coating (51), the inner wall fixedly connected with polytrifluorochloroethylene layer (54) of inside polyimide film (52).

2. The cold-resistant and low-temperature-resistant metal hose according to claim 1, wherein: the inner wall of connector (3) encircles and is seted up there is the internal thread, oversheath (1) is metal stainless wire net.

3. The cold-resistant and low-temperature-resistant metal hose according to claim 1, wherein: the protective layer (51) comprises a first polyethylene sheath (511), balls (512) and a second polyethylene sheath (513), wherein the first polyethylene sheath (511) is fixedly connected to the inner wall of the metal hose body (4), and the balls (512) are arranged between the inner wall of the first polyethylene sheath (511) and the outer wall of the second polyethylene sheath (513).

4. The cold-resistant and low-temperature-resistant metal hose according to claim 3, wherein: the inner wall of the first polyethylene sheath (511) is provided with a first sliding groove in a surrounding mode, the outer wall of the second polyethylene sheath (513) is provided with a second sliding groove in a surrounding mode, and the ball (512) is connected between the first sliding groove and the second sliding groove in a sliding mode.

5. The cold-resistant and low-temperature-resistant metal hose according to claim 1, wherein: the thickness of the polychlorotrifluoroethylene layer (54) and the thickness of the glass fiber layer (53) are both 5mm, and the thickness of the polyimide film (52) is 1.5 mm.