CN213150424U

CN213150424U - Anti-freezing combined cable

Info

Publication number: CN213150424U
Application number: CN202022010914.XU
Authority: CN
Inventors: 况鹏
Original assignee: Individual
Current assignee: Xinfa Cable Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-05-07
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses an anti-freezing combined cable, including anti-freezing cable, anti-freezing structure is arranged in the anti-freezing cable, telescopic structure is arranged outside the anti-freezing structure, one side of the telescopic structure near the anti-freezing cable is provided with an expansion joint, one side of the expansion joint near the anti-freezing structure is provided with first rubber frameworks distributed at equal intervals, a substrate structure layer is arranged outside the expansion joint, one side of the substrate structure layer near the expansion joint is provided with a second rubber framework, the first rubber framework is meshed with the second rubber framework, the outer wall of the substrate structure layer is provided with a nylon heat preservation layer distributed at equal intervals, and a protective outer wall is; the utility model discloses a extending structure that the inside outside of cable that prevents frostbite sets up increases the elasticity of this device, and first rubber skeleton and the second rubber skeleton of extending structure inside rub tensile mutually, thereby improve the toughness of substrate structural layer and avoid the cable that prevents frostbite low temperature bending fracture, increase the suitability and the practicality of this structure.

Description

Anti-freezing combined cable

Technical Field

The utility model relates to a power transmission field especially relates to a combination formula cable prevents frostbite.

Background

In northern and western areas of China, the low temperature time is long, the temperature difference between the morning and the evening is large, and particularly in winter, the outdoor temperature of the northeast area can reach about minus 50 ℃. The phenomena of cable insulation and sheath cracking can occur when the ordinary cable is constructed, laid or operated under the condition, the transmission of electric energy of the cable is not facilitated, the service life of the cable is shortened, and therefore the anti-freezing cable is required.

However, various problems exist in the use process of various anti-freezing cables in the market, and the problem that the cable is broken when being bent under the condition of extremely low temperature is not solved, so that an anti-freezing combined cable is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a combination formula cable prevents frostbite can stretch out and draw back the toughness that increases the substrate structural layer through the inside first rubber framework of the extending structure who sets up and second rubber framework, improves the adaptability and the practicality of this structure.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a combination formula cable prevents frostbite, including the cable prevents frostbite, the inside structure that prevents frostbite that is equipped with of cable prevents frostbite, the structure outside of preventing frostbite is equipped with extending structure, extending structure is close to the one side of preventing frostbite and is equipped with the expansion joint, the expansion joint is close to the one side of preventing frostbite and is equipped with the first rubber skeleton that the equidistance distributes, the expansion joint outside is equipped with the substrate structure layer, and the one side that the substrate structure layer is close to the expansion joint is equipped with second rubber skeleton, first rubber skeleton meshes with second rubber skeleton, substrate structure layer outer wall is equipped with the nylon heat preservation that the equidistance distributes, nylon.

As a preferred technical scheme of the utility model, the inside fire-resistant rubber layer that is equipped with of antifreeze structure, the inside sinle silk that is parallel to each other that is equipped with of fire-resistant rubber layer, and sinle silk outer wall cover are equipped with insulating sheath, and the inside inorganic heat-sink shell that is equipped with of fire-resistant rubber layer is fixed in the insulating sheath outside, and fire-resistant rubber layer outer wall is equipped with the expansion buffer layer, and expansion buffer layer outer wall connection expansion joint outer.

As the utility model discloses a preferred technical scheme, the fire-resistant rubber layer is regular triangle structure, and the sinle silk is located the triangle position on fire-resistant rubber layer respectively.

As an optimized technical scheme of the utility model, inflation buffer layer outer wall cover is equipped with the insulating rubber who hugs closely rather than, and the expansion joint inner wall is hugged closely to the insulating rubber outer wall.

As a preferred technical scheme of the utility model, the insulating sheath outside is equipped with the arch that the equidistance distributes, and the inside inner wall that is close to insulating sheath of inorganic heat-absorbing shell is equipped with the recess that the equidistance distributes, and the recess corresponds the arch respectively.

As an optimal technical scheme of the utility model, the inflation buffer layer is located the triangle vacant position in the fire-resistant rubber layer outside respectively, and inflation buffer layer middle part is equipped with the mesh that the equidistance distributes.

As a preferred technical scheme of the utility model, the expansion joint is inside to be equipped with the expansion joint rope, and the expansion joint rope is worn to establish at first rubber framework and second rubber framework middle part.

As a preferred technical scheme of the utility model, the protection outer wall outside is equipped with anti-skidding groove, and anti-skidding groove is the circular ring and surrounds in the protection outer wall outside.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the flexibility of the device is improved through the telescopic structure arranged on the outer side inside the anti-freezing cable, and the first rubber framework and the second rubber framework inside the telescopic structure are mutually rubbed and stretched, so that the toughness of the base material structure layer is improved, the anti-freezing cable is prevented from being bent and broken at a low temperature, and the applicability and the practicability of the structure are improved;

2. through the inside structure of preventing frostbite improvement cable's power transmission ability, avoid insulating because of the cable that the temperature is low and lead to, improve the application scope of this device, the inside insulating sheath and the fire-resistant rubber layer of structure of preventing frostbite can avoid this device to take place cable connection and the too high probability of taking place to catch fire of power pressure when using, improves the security of this device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the anti-freeze cable of the present invention;

FIG. 3 is a schematic view of the telescopic structure of the present invention;

wherein: 1. an anti-freeze cable; 2. an anti-freezing structure; 3. a telescopic structure; 4. a wire core; 5. an insulating sheath; 6. a refractory rubber layer; 7. an inorganic heat absorbing layer; 8. an expanding buffer layer; 9. a first rubber skeleton; 10. a second rubber skeleton; 11. a substrate structure layer; 12. a nylon heat-insulating layer; 13. Protecting the outer wall; 14. an expansion joint; 15. and fixing the clamping block.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and 3, the utility model provides an anti-freezing combined cable, including anti-freezing cable 1, anti-freezing cable 1 is inside to be equipped with anti-freezing structure 2, the anti-freezing structure 2 outside is equipped with extending structure 3, the one side that extending structure 3 is close to anti-freezing cable 1 is equipped with expansion joint 14, the one side that expansion joint 14 is close to anti-freezing structure 2 is equipped with first rubber skeleton 9 that the equidistance distributes, the expansion joint 14 outside is equipped with substrate structural layer 11, and the one side that substrate structural layer 11 is close to expansion joint 14 is equipped with second rubber skeleton 10, first rubber skeleton 9 meshes with second rubber skeleton 10, substrate structural layer 11 outer wall is equipped with nylon heat preservation layer 12 that the equidistance distributes, nylon heat preservation layer 12 outside cover is equipped with protection outer wall 13, and protection outer wall 13 inner;

the extending structure 3 that the inside outside of cable 1 set up prevents frostbite when this device uses increases the elasticity of this device, through the inside first rubber framework 9 of extending structure 3 and the tensile removal of second rubber framework 10 friction of each other, thereby improves the toughness of substrate structural layer 11 and avoids preventing frostbite cable 1 low temperature bending fracture, increases the suitability and the practicality of this structure.

In another embodiment, as shown in fig. 1 and fig. 2, the embodiment discloses that a fire-resistant rubber layer 6 is arranged inside an anti-freezing structure 2, wire cores 4 parallel to each other are arranged inside the fire-resistant rubber layer 6, an insulating sheath 5 is sleeved on the outer walls of the wire cores 4, an inorganic heat absorption layer 7 is arranged inside the fire-resistant rubber layer 6 and fixed outside the insulating sheath 5, an expansion buffer layer 8 is arranged on the outer wall of the fire-resistant rubber layer 6, and the outer wall of the expansion buffer layer 8 is connected with the outer wall of;

through the inside anti-freezing structure 2 of 1 inside anti-freezing cable improvement cable's power transmission ability, avoid insulating because of the cable that the temperature is low and lead to, improve the application scope of this device, the inside insulating sheath 5 and the fire-resistant rubber layer 6 of anti-freezing structure 2 can avoid this device to take place cable connection and the too high probability of taking place to catch fire of power pressure when using, improve the security of this device.

In another embodiment, as shown in fig. 1 and fig. 2, the embodiment discloses that the fire-resistant rubber layer 6 is of a regular triangle structure, and the wire cores 4 are respectively located at the triangular positions of the fire-resistant rubber layer 6;

the refractory rubber layer 6 is set to be of a regular triangle structure, so that the stability of the inner wire core 4 can be improved, and the wire core 4 is firmer when the telescopic wire core is used.

In another embodiment, as shown in fig. 1 and 2, in this embodiment, an insulating rubber tightly attached to the outer wall of the expansion buffer layer 8 is sleeved on the outer wall of the expansion buffer layer, and the outer wall of the insulating rubber tightly attaches to the inner wall of the expansion joint 14;

the insulating rubber of 8 outer walls of inflation buffer layer sets up can be inside the security of cable, improves inflation buffer layer 8's practicality and service life.

In another embodiment, as shown in fig. 1 and 2, in this embodiment, the outer side of the insulating sheath 5 is provided with protrusions distributed at equal intervals, the inner wall of the inorganic heat absorbing layer 7, which is close to the insulating sheath 5, is provided with grooves distributed at equal intervals, and the grooves respectively correspond to the protrusions;

the bulges and the grooves which are arranged on the two surfaces of the insulating sheath 5 and the inorganic heat-absorbing layer and correspond to each other can increase the connection firmness of the insulating sheath 5 and the inorganic heat-absorbing material, so that the service time of the structure is prolonged.

In another embodiment, as shown in fig. 1 and fig. 2, the embodiment discloses that the expansion buffer layers 8 are respectively located at the triangular vacant positions outside the fire-resistant rubber layer 6, and the middle parts of the expansion buffer layers 8 are provided with meshes which are distributed at equal intervals;

the mesh that the equidistance that inflation buffer layer 8 middle part set up distributes has increased inflation buffer layer 8's elasticity, has improved the inside performance that bears the atress of cable.

In another embodiment, as shown in fig. 1 and 3, in this embodiment, a telescopic connection rope is disposed inside the expansion joint 14, and the telescopic connection rope is inserted into the middle of the first rubber framework 9 and the second rubber framework 10;

the flexible limit of connecting first rubber framework 9 and second rubber framework 10 control expansion joint 14 is worn to establish respectively by the flexible connection rope of the inside setting in expansion joint 14, prevents that first rubber framework 9 and second rubber framework 10 dislocation from influencing the elasticity of cable, increases the stability of this structure.

In another embodiment, as shown in fig. 1 and 3, the embodiment discloses that the outer side of the protective outer wall 13 is provided with an anti-slip groove, and the anti-slip groove is circularly surrounded on the outer side of the protective outer wall 13;

the anti-slip groove arranged on the protective outer wall 13 can effectively increase the friction force of the cable, and the anti-slip groove is circularly surrounded on the protective outer wall 13, so that the tensile property and the friction force of the protective outer wall 13 are higher when the cable is used.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An anti-freezing combined cable comprises an anti-freezing cable (1), and is characterized in that: an anti-freezing structure (2) is arranged in the anti-freezing cable (1), a telescopic structure (3) is arranged outside the anti-freezing structure (2), one surface of the telescopic structure (3) close to the anti-freezing cable (1) is provided with an expansion joint (14), one surface of the expansion joint (14) close to the anti-freezing structure (2) is provided with first rubber frameworks (9) which are distributed at equal intervals, the outer side of the expansion joint (14) is provided with a substrate structure layer (11), and a second rubber framework (10) is arranged on one surface of the base material structural layer (11) close to the expansion joint (14), the first rubber framework (9) is meshed with the second rubber framework (10), the outer wall of the base material structure layer (11) is provided with nylon heat-insulating layers (12) distributed at equal intervals, the outer side of each nylon heat-insulating layer (12) is sleeved with a protective outer wall (13), and the inner wall of the protective outer wall (13) is provided with a fixed clamping block (15) clamped with the nylon heat-insulating layer (12).

2. An antifreeze composite cable according to claim 1, wherein: the anti-freezing structure is characterized in that a fireproof rubber layer (6) is arranged inside the anti-freezing structure (2), wire cores (4) which are parallel to each other are arranged inside the fireproof rubber layer (6), an insulating sheath (5) is sleeved on the outer wall of each wire core (4), an inorganic heat absorption layer (7) is arranged inside the fireproof rubber layer (6) and fixed on the outer side of the insulating sheath (5), an expansion buffer layer (8) is arranged on the outer wall of the fireproof rubber layer (6), and the outer wall of the expansion buffer layer (8) is connected with the outer wall of the expansion.

3. An antifreeze composite cable according to claim 2, wherein: the fireproof rubber layer (6) is of a regular triangle structure, and the wire cores (4) are respectively positioned at the triangular positions of the fireproof rubber layer (6).

4. An antifreeze composite cable according to claim 2, wherein: the outer wall of the expansion buffer layer (8) is sleeved with insulating rubber tightly attached to the outer wall, and the outer wall of the insulating rubber tightly attached to the inner wall of the expansion joint (14).

5. An antifreeze composite cable according to claim 2, wherein: the outer side of the insulating sheath (5) is provided with protrusions distributed at equal intervals, grooves distributed at equal intervals are arranged on the inner wall, close to the insulating sheath (5), of the inner portion of the inorganic heat absorption layer (7), and the grooves correspond to the protrusions respectively.

6. An antifreeze composite cable according to claim 2, wherein: the expansion buffer layer (8) is respectively positioned at the triangular vacant positions outside the fireproof rubber layer (6), and meshes which are distributed at equal intervals are arranged in the middle of the expansion buffer layer (8).

7. An antifreeze composite cable according to claim 1, wherein: the expansion joint (14) is internally provided with a telescopic connection rope which is arranged in the middle of the first rubber framework (9) and the second rubber framework (10) in a penetrating mode.

8. An antifreeze composite cable according to claim 1, wherein: the outer wall of the protective outer wall (13) is provided with an anti-slip groove, and the anti-slip groove is circularly surrounded on the outer wall of the protective outer wall (13).