CN209433085U - A kind of low-temperature type optical cable - Google Patents

Abstract

The utility model discloses a kind of low-temperature type optical cables, it is related to optical cable technology field, the low-temperature type optical cable, including protective case and cable core, the cable core is located at the inside of protective case, the inner wall of the protective case is fixedly connected with the surface of reinforcer, the inner wall of the reinforcer is fixedly connected with the surface of outer heat insulation layer, the inner wall of the outer heat insulation layer is fixedly connected with the surface of casing, the inside of described sleeve pipe offers cavity, the inner wall of described sleeve pipe is fixedly connected with the surface of inner thermal insulating layer, the inner wall of the inner thermal insulating layer is fixedly connected with the surface of reinforcing rib, the surface activity of the cable core is socketed with elastic tube, the surface fixing sleeve of the elastic tube is connected to muff, described sleeve pipe is fixedly attached to the surface of muff.The utility model solves optical cable and is easy embrittlement when low temperature environment uses, influence the problem of optical cable uses by setting outer heat insulation layer, inner thermal insulating layer, muff, casing and elastic tube.

Description

A kind of low-temperature type optical cable

Technical field

The utility model relates to optical cable technology field, specially a kind of low-temperature type optical cable.

Background technique

With the fast development of the communications industry, optical cable using more and more extensive, optical cable is mainly by cable core and protective case group At cable core is used for transmission optical signal, and protective case plays a protective role to cable core, and cable core can be used alone can also multiple cable core groups It is combined use, optical cable is the cable formed by cable core by a series of processing technology.

Optical cable when in use, although the insulating layer on protective case and cable core on optical cable plays a protective role to cable core, It is when subzero 20 to subzero 40 degree of low temperature environment use optical cable, protective case and insulating layer are easy to become by low temperature effect Firmly, it is easy embrittlement after being hardened, influences the use of optical cable.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of low-temperature type optical cable, solves optical cable in low temperature It is easy embrittlement when environment uses, influences the problem of optical cable uses.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of low-temperature type optical cable, including protective case And cable core, the cable core are located at the inside of protective case, the inner wall of the protective case is fixedly connected with the surface of reinforcer, described to add The strong inner wall of part is fixedly connected with the surface of outer heat insulation layer, and the inner wall of the outer heat insulation layer is fixedly connected with the surface of casing, institute The inside for stating casing offers cavity, and the inner wall of described sleeve pipe is fixedly connected with the surface of inner thermal insulating layer, the inner thermal insulating layer Inner wall is fixedly connected with the surface of reinforcing rib, and the surface activity of the cable core is socketed with elastic tube, and the surface of the elastic tube is solid Surely it is socketed with muff, described sleeve pipe is fixedly attached to the surface of muff.

Preferably, the inner wall of the elastic tube is fixedly connected with the surface of annulus, the inner wall of the annulus and the table of cable core Face is fixedly connected.

Preferably, the elastic tube and casing are silicone rubber tube.

Preferably, the reinforcer is steel wire, and the reinforcing rib is wirerope.

Preferably, the inside of the cavity and elastic tube is filled with low temperature resistant filling paste.

Preferably, the outer heat insulation layer, inner thermal insulating layer and muff are rubber-plastic thermal insulation pipe.

(3) beneficial effect

The utility model provides a kind of low-temperature type optical cable, have it is following the utility model has the advantages that

The utility model passes through setting outer heat insulation layer, inner thermal insulating layer, muff, casing and elastic tube, when in use, outer guarantor Warm layer integrally keeps the temperature optical cable, and heat is remained in the inside of optical cable by inner thermal insulating layer, and muff covers on cable core, to cable core It is individually kept the temperature, casing, protective case and elastic tube are made of silicon rubber, and low temperature tolerance ability is high, make optical cable in low temperature environment Under can also have elasticity, will not embrittlement, optical cable is in low temperature environment in use, outer heat insulation layer, inner thermal insulating layer and muff are to optical cable It is kept the temperature, casing, protective case and elastic tube are made of silicon rubber, make optical cable that can also have elasticity at low ambient temperatures, no Can be brittle, achieve the effect that improve optical cable low temperature tolerance ability solve optical cable and be easy embrittlement, influence when low temperature environment uses The problem of optical cable uses.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is that figure is cutd open on a left side at the utility model annulus position.

In figure: 1, protective case；2, cable core；3, reinforcer；4, outer heat insulation layer；5, casing；6, cavity；7, inner thermal insulating layer；8, Reinforcing rib；9, elastic tube；10, muff；11, annulus.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of low-temperature type optical cable, including 1 He of protective case Cable core 2, protective case 1 are made of silastic material, and low temperature tolerance ability is high, still have elasticity at low ambient temperatures, cable core 2 is located at The inner wall of the inside of protective case 1, protective case 1 is fixedly connected with the surface of reinforcer 3, and reinforcer 3 is steel wire, improves optical cable The inner wall of overall structural strength, reinforcer 3 is fixedly connected with the surface of outer heat insulation layer 4, outer heat insulation layer 4, inner thermal insulating layer 7 and heat preservation Set 10 is all made of rubber-plastics material and rubber-plastic thermal insulation pipe is made, interior to have a large amount of hole, can remain in heat in hole to light Cable is kept the temperature, and the source of heat can be the raising and the irradiation of the sun etc. of temperature, the inner wall of outer heat insulation layer 4 and the table of casing 5 Face is fixedly connected, and casing 5 and elastic tube 9 are all made of silicon rubber and are made, and makes casing 5 and elastic tube 9 subzero 20 to subzero four Still have elasticity at ten degree, will not embrittlement, the inside of casing 5 offers cavity 6, cavity 6 be located at two neighboring muff 10 it Between, the inner wall of casing 5 is fixedly connected with the surface of inner thermal insulating layer 7, the fixed company of the inner wall of inner thermal insulating layer 7 and the surface of reinforcing rib 8 It connects, the surface activity of cable core 2 is socketed with elastic tube 9, and the surface fixing sleeve of elastic tube 9 is connected to muff 10, and casing 5 is fixedly attached On the surface of muff 10.

As a kind of technical optimization scheme of the utility model, the inner wall of elastic tube 9 is fixedly connected with the surface of annulus 11, The inner wall of annulus 11 is fixedly connected with the surface of cable core 2, and annulus 11 plays a supporting role to cable core 2, prevents cable core 2 in elastic tube It is arbitrarily moved in 9.

As a kind of technical optimization scheme of the utility model, elastic tube 9 and casing 5 are silicone rubber tube, make elastic tube 9 Still have elasticity at low ambient temperatures with casing 5, improves the low temperature tolerance ability of optical cable.

As a kind of technical optimization scheme of the utility model, reinforcer 3 is steel wire, and reinforcing rib 8 is wirerope, is reinforced Part 3 improves the overall structural strength of optical cable, and reinforcing rib 8 improves the tensile capacity of optical cable.

As a kind of technical optimization scheme of the utility model, the inside of cavity 6 and elastic tube 9 is filled with low temperature resistant fill out Cream is filled, low temperature resistant filling paste is mainly supported by silicone oil, gelling agent and antioxidant, and low temperature tolerance ability with higher is low temperature resistant to fill out Fill the cream active force that energy buffer portion deformation generates when deformation occurs for optical cable.

As a kind of technical optimization scheme of the utility model, outer heat insulation layer 4, inner thermal insulating layer 7 and muff 10 are rubber Insulating tube is moulded, rubber-plastic thermal insulation pipe keeps the temperature optical cable, improves the insulating power of optical cable.

When in use, as the temperature rises, heat can remain in outer heat insulation layer 4, inner thermal insulating layer 7 and the muff of optical cable In 10, outer heat insulation layer 4, inner thermal insulating layer 7 and muff 10 are made of rubber-plastic thermal insulation pipe, and heat can remain in the hole in it In, outer heat insulation layer 4 keeps the temperature the entirety of optical cable, and heat is remained in the inside of optical cable by inner thermal insulating layer 7, and 10 sets of muff exists On cable core 2, cable core 2 is individually kept the temperature, the heat in outer heat insulation layer 4, inner thermal insulating layer 7 and muff 10 resists low temperature, mentions The insulating power of high optical cable, casing 5, protective case 1 and elastic tube 9 are all made of silastic material and are made, and low temperature tolerance ability is high, make light Cable can also have elasticity at low ambient temperatures, will not be brittle, to improve the low temperature tolerance ability of optical cable, reinforcer 3 is steel wire, The overall structural strength of optical cable is improved, reinforcing rib 8 is wirerope, the tensile strength of optical cable is improved, in elastic tube 9 and casing 5 It is filled with low temperature resistant filling paste in cavity 6, makes optical cable when deformation occurs, low temperature resistant filling paste follows that deformation occurs, occurs The active force of deformation is transmitted on cable core 2 again after the buffering of low temperature resistant filling paste, improves the ability of anti-deformation of cable core 2, circle Ring 11 is used for the connection of cable core 2 and elastic tube 9, and annulus 11 plays a supporting role to cable core 2, prevent cable core 2 in elastic tube 9 with Meaning movement, optical cable can generate deformation in curved space-time chamber 6, reduce optical cable in bending and act on flecition power on cable core 2, Optical cable in low temperature environment in use, outer heat insulation layer 4, inner thermal insulating layer 7 and muff 10 keep the temperature optical cable, casing 5, protective case 1 and elastic tube 9 be made of silicon rubber, make optical cable that can also have elasticity at low ambient temperatures, will not embrittlement, reached raising light The effect of cable low temperature tolerance ability, to reduce influence of the low temperature environment to optical cable.

It can to sum up obtain, the utility model passes through setting outer heat insulation layer 4, inner thermal insulating layer 7, muff 10, casing 5 and elastic tube 9, it solves optical cable and is easy embrittlement when low temperature environment uses, influence the problem of optical cable uses.

It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic Element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of low-temperature type optical cable, including protective case (1) and cable core (2), the cable core (2) are located at the inside of protective case (1), It is characterized by: the inner wall of the protective case (1) is fixedly connected with the surface of reinforcer (3), the inner wall of the reinforcer (3) with The surface of outer heat insulation layer (4) is fixedly connected, and the inner wall of the outer heat insulation layer (4) is fixedly connected with the surface of casing (5), the set The inside of pipe (5) offers cavity (6), and the inner wall of described sleeve pipe (5) is fixedly connected with the surface of inner thermal insulating layer (7), described interior The inner wall of insulating layer (7) is fixedly connected with the surface of reinforcing rib (8), and the surface activity of the cable core (2) is socketed with elastic tube (9), the surface fixing sleeve of the elastic tube (9) is connected to muff (10), and described sleeve pipe (5) is fixedly attached to muff (10) Surface.

2. a kind of low-temperature type optical cable according to claim 1, it is characterised in that: the inner wall and circle of the elastic tube (9) The surface of ring (11) is fixedly connected, and the inner wall of the annulus (11) is fixedly connected with the surface of cable core (2).

3. a kind of low-temperature type optical cable according to claim 1, it is characterised in that: the elastic tube (9) and casing (5) are equal For silicone rubber tube.

4. a kind of low-temperature type optical cable according to claim 1, it is characterised in that: the reinforcer (3) is steel wire, institute Stating reinforcing rib (8) is wirerope.

5. a kind of low-temperature type optical cable according to claim 1, it is characterised in that: the cavity (6) and elastic tube (9) It is internal to be filled with low temperature resistant filling paste.

6. a kind of low-temperature type optical cable according to claim 1, it is characterised in that: the outer heat insulation layer (4), inner thermal insulating layer (7) and muff (10) is rubber-plastic thermal insulation pipe.