High-temperature-resistant fiber sleeve

Abstract

The utility model discloses a high-temperature-resistant fiber sleeve, which comprises a heat-resistant inner core and a high-temperature-resistant sheath, the heat-resistant inner core is sleeved inside the high-temperature-resistant sheath and is fixed with the high-temperature-resistant sheath, an inner cavity of the heat-resistant inner core is sleeved with a cable, and the heat-resistant inner core comprises an aerogel outer layer positioned on the periphery of the cable. According to the technical scheme, the fiber sleeve is designed into the inner part and the outer part, the heat-resistant inner core on the inner side prevents heat from being transmitted to the cable through the aerogel and the fluororubber filling layer, and the fluororubber filled in the aerogel is provided with a plurality of heat dissipation channels, so that high temperature is forced to flow away along the channels and is less transmitted to the cable; and the high-temperature-resistant sheath on the outer side is composed of the ceramic fibers, the polyimide film, the polytetrafluoroethylene microporous film, the high-temperature-resistant resin and the glass fibers, so that most of external temperature cannot penetrate through the sheath to enter the inner core by utilizing the excellent heat insulation property and the high-temperature-resistant property of the materials, and an environment which is not influenced by high temperature is provided for the cable.

Description

TECHNICAL FIELD

[0001] The utility model relates to fiber sleeve technical field, concretely relates to a high temperature resistant fiber sleeve. BACKGROUND

[0002] Fiber sleeve is also called: glass fiber sleeve, fiber high temperature sleeve, ceramic fiber sleeve. Fiber sleeve is a sleeve woven by glass fiber, and its insulation capacity and low price are the better choices for protecting hoses and cables. However, the maximum application temperature of fiber sleeve is in the continuous high temperature of 538 degrees, and the glass fiber sleeve cannot completely resist high temperature in the environment of more than 500 degrees, so that the cable inside the sleeve is in a high temperature environment, therefore, the technical personnel in the field propose a high temperature resistant fiber sleeve. SUMMARY

[0003] The utility model discloses a high temperature resistant fiber sleeve technical scheme to solve the deficiency in the background art. In order to solve the defects and drawbacks in the background art, the technical scheme has the following contents:

[0004] It comprises a heat-resistant inner core and a high-temperature-resistant outer skin, and the heat-resistant inner core is sleeved in the high-temperature-resistant outer skin and fixed therewith, and the heat-resistant inner core has a cable in the inner cavity;

[0005] The heat-resistant inner core comprises an aerogel outer layer located around the cable, a filling chamber opened in the inner part of the aerogel outer layer, and a fluororubber filling layer filled in the inner cavity of the filling chamber, and a plurality of heat dissipation channels are annularly arranged in the inner part of the fluororubber filling layer;

[0006] The high-temperature-resistant outer skin comprises a ceramic fiber sleeve, a polyimide film fixedly connected to the outer surface of the ceramic fiber sleeve, and a polytetrafluoroethylene microporous membrane fixedly wrapped on the outer surface of the polyimide film, and a high-temperature-resistant resin layer is fixedly connected to the outer surface of the polytetrafluoroethylene microporous membrane, and a glass fiber woven outer skin is fixedly connected to the outer surface of the high-temperature-resistant resin layer.

[0007] As a preferred scheme of the utility model, the ceramic fiber sleeve, the polyimide film, the polytetrafluoroethylene microporous membrane, the high-temperature-resistant resin layer and the glass fiber woven outer skin are adhered by alumina non-polar ceramic glue.

[0008] As a preferred scheme of the utility model, a layer of alumina non-polar ceramic glue is smeared between the inner surface of the ceramic fiber sleeve and the outer surface of the aerogel outer layer for adhesion.

[0009] As a preferred scheme of the utility model, a layer of organic high-temperature-resistant paint is coated on the outer surface of the glass fiber woven outer skin.

[0010] As a preferred scheme of the utility model: the outer surface of fluorine rubber filling layer and the inner cavity side wall of filling chamber inside the aerogel outer layer are adhered and fixed through high temperature resistant glue.

[0011] As a preferred scheme of the utility model: the heat dissipation channels are arranged in annular array with the central axis of fluorine rubber filling layer as base point, and the inside of heat dissipation channel is filled with heat conducting gel.

[0012] As a preferred scheme of the utility model: the end of aerogel outer layer is provided with heat dissipation port that is aligned with heat dissipation channel and penetrates.

[0013] In the above technical scheme, the utility model provides technical effect and advantage:

[0014] In the technical scheme, the fiber sleeve is designed as two parts, the heat resistance inner core on the inside blocks heat transfer to the cable with aerogel and fluorine rubber filling layer, and the fluorine rubber filled in the aerogel is designed with multiple heat dissipation channels, so that high temperature flows along the channel and less transfers to the cable, and the high temperature resistant outer skin on the outside is composed of ceramic fiber, polyimide film, polytetrafluoroethylene microporous membrane, high temperature resistant resin and glass fiber, the excellent heat insulation and high temperature resistance of the above materials are utilized to realize that most of the outside temperature cannot penetrate the skin into the inner core, and provide the cable with an environment not affected by high temperature. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 It is the whole structure schematic diagram of fiber sleeve.

[0017] Figure 2 It is the schematic diagram after cutting and decomposing of fiber sleeve.

[0018] Figure 3 It is the schematic diagram of heat resistance inner core on the inside of fiber sleeve.

[0019] Explanation of reference signs:

[0020] 1, cable; 2, aerogel outer layer; 3, ceramic fiber sleeve; 4, polyimide film; 5, polytetrafluoroethylene microporous membrane; 6, high temperature resistant resin layer; 7, glass fiber woven outer skin; 8, fluorine rubber filling layer; 9, filling chamber; 10, heat dissipation channel. DETAILED DESCRIPTION

[0021] In order to make the technical solutions and implementation modes of the utility model clearer and more comprehensible, the following introduces several preferred specific embodiments for implementing the technical solutions of the utility model.

[0022] The following description is merely exemplary in nature and is not intended to limit the disclosure, application and uses. It should be understood that throughout the drawings, the same or similar reference numerals are intended to identify the same or similar components and features. The various drawings only schematically represent the concepts and principles of the embodiments of the disclosure and do not necessarily show the specific dimensions and their proportions of the various embodiments of the disclosure. In particular parts in the specific drawings may be exaggerated to illustrate the relevant details or structures of the embodiments of the disclosure. The disclosures of the various publications, patents and published patent specifications cited herein are hereby incorporated by reference in their entirety, the technical solutions of the utility model will be described clearly and completely in the following with reference to the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model.

[0023] Embodiments, with reference to the description of the accompanying drawings Figure 1 -attached Figure 3 as shown;

[0024] A better technical solution of a high-temperature-resistant fiber sleeve:

[0025] It comprises a heat-resistant inner core and a high-temperature-resistant outer skin, and the heat-resistant inner core is sleeved inside the high-temperature-resistant outer skin and fixed therewith, and the inner cavity of the heat-resistant inner core is sleeved with a cable 1;

[0026] The heat-resistant inner core comprises an aerogel outer layer 2 located around the cable 1, a filling cavity 9 opened in the inside of the aerogel outer layer 2, and a fluororubber filling layer 8 filled in the inner cavity of the filling cavity 9, and the inside of the fluororubber filling layer 8 is annularly arranged with a plurality of heat dissipation channels 10;

[0027] The high-temperature-resistant outer skin comprises a ceramic fiber sleeve 3, a polyimide film 4 fixedly connected to the outer surface of the ceramic fiber sleeve 3, and a polytetrafluoroethylene microporous membrane 5 wrapped and fixed to the outer circle of the polyimide film 4, and the outer surface of the polytetrafluoroethylene microporous membrane 5 is fixedly connected with a high-temperature-resistant resin layer 6, and the outer surface of the high-temperature-resistant resin layer 6 is fixedly connected with a glass fiber woven outer skin 7.

[0028] The bonding positions of the ceramic fiber sleeve 3, the polyimide film 4, the polytetrafluoroethylene microporous membrane 5, the high-temperature-resistant resin layer 6 and the glass fiber woven outer skin 7 are all adhered by alumina non-polar ceramic glue, and a layer of alumina non-polar ceramic glue is smeared between the inner surface of the ceramic fiber sleeve 3 and the outer surface of the aerogel outer layer 2 for adhesion.

[0029] The outer surface of the glass fiber woven outer skin 7 is coated with a layer of organic high-temperature resistant paint, the outer surface of the fluororubber filling layer 8 is adhered and fixed between the inner cavity side wall of the filling cavity 9 inside the aerogel outer layer 2 by high-temperature resistant glue, the heat dissipation channels 10 are arranged in a ring array with the central axis of the fluororubber filling layer 8 as the base point, and the heat dissipation channels 10 are filled with heat-conducting gel, and the end of the aerogel outer layer 2 is provided with a heat dissipation opening aligned with the heat dissipation channel 10 and penetrating through.

[0030] According to the above-mentioned preferred technical scheme, the working process of the technical scheme is described.

[0031] Since the glass fiber woven outer skin 7, the high-temperature resistant resin layer 6, the polytetrafluoroethylene microporous membrane 5, the polyimide film 4 and the ceramic fiber sleeve 3 are overlapped with each other and connected by the alumina non-polar ceramic glue, the high-temperature resistant outer skin composed of the above materials and the alumina non-polar ceramic glue can isolate most of the external temperature from being transmitted to the cable. The heat-resistant inner core relies on the aerogel outer layer 2 and the fluororubber filling layer 8 to isolate the temperature penetrating from the high-temperature resistant outer skin, thereby protecting the cable.

[0032] The above only describes some exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be understood as limiting the scope of protection of the present application.

Claims

1. A high temperature resistant fiber sleeve, characterized by: The heat-insulating inner core is sleeved in the high-temperature-resistant outer skin and fixed with the high-temperature-resistant outer skin, and the inner cavity of the heat-insulating inner core is sleeved with a cable (1); The heat-insulating inner core comprises an aerogel outer layer (2) surrounding the cable (1), a filling cavity (9) opened in the aerogel outer layer (2), and a fluororubber filling layer (8) filled in the inner cavity of the filling cavity (9), and the inner part of the fluororubber filling layer (8) is annularly arranged with a plurality of heat dissipation channels (10). The high-temperature-resistant outer skin comprises a ceramic fiber sleeve (3), a polyimide film (4) fixedly connected to the outer surface of the ceramic fiber sleeve (3), and a polytetrafluoroethylene microporous membrane (5) wrapped and fixed to the outer surface of the polyimide film (4), and the outer surface of the polytetrafluoroethylene microporous membrane (5) is fixedly connected with a high-temperature-resistant resin layer (6), and the outer surface of the high-temperature-resistant resin layer (6) is fixedly connected with a glass fiber woven outer skin (7).

2. A high temperature resistant fiber sleeve according to claim 1, characterized in that: The ceramic fiber sleeve (3), the polyimide film (4), the polytetrafluoroethylene microporous membrane (5), the high-temperature-resistant resin layer (6), and the glass fiber woven outer skin (7) are adhered by alumina non-polar ceramic glue.

3. A high temperature resistant fiber sleeve as in claim 1, wherein: A layer of alumina non-polar ceramic glue is applied between the inner surface of the ceramic fiber sleeve (3) and the outer surface of the aerogel outer layer (2) to adhere them.

4. A high temperature resistant fiber sleeve as in claim 1, wherein: A layer of organic high-temperature-resistant paint is coated on the outer surface of the glass fiber woven outer skin (7).

5. A high temperature resistant fiber sleeve as defined in claim 1, wherein: The outer surface of the fluororubber filling layer (8) and the inner cavity side wall of the filling cavity (9) in the aerogel outer layer (2) are adhered and fixed by high-temperature-resistant glue.

6. A high temperature resistant fiber sleeve as defined in claim 1, wherein: The heat dissipation channels (10) are arranged in an annular array with the central axis of the fluororubber filling layer (8) as the base point, and the heat dissipation channels (10) are filled with heat-conducting gel.

7. A high temperature resistant fiber sleeve as defined in claim 1, wherein: The end of the aerogel outer layer (2) is provided with a heat dissipation port aligned with the heat dissipation channel (10) and penetrating through.

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