CN219512841U - Cable structure for high-temperature environment - Google Patents

Abstract

The utility model relates to the technical field of cables and discloses a cable structure for a high-temperature environment, which solves the problems that the inner part of the existing cable is not provided with a plurality of groups of wires which are separated, so that mutual torsion and winding of the wires are easy to occur and the use stability of the cable is affected; the cable core can be placed separately by the design, the situation that the cable cores are twisted and wound after long-term use can be avoided, and the service life of the cable is prolonged.

Description

Cable structure for high-temperature environment

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to a cable structure for a high-temperature environment.

Background

The cable is a generic term of articles such as optical cables and electric cables, and has many applications, but is mainly used for controlling multiple functions such as installation, connection equipment, power transmission and the like, and is an indispensable workpiece common in daily life.

The inside of the existing cable is not provided with the separation of a plurality of groups of wires, so that the situation that the wires are twisted and wound mutually easily occurs in the long-term use process of the cable, the use stability of the cable can be affected, and meanwhile, the cable can be higher in surface temperature when being used in a high-temperature environment, so that the use effect of the cable is affected.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a cable structure for a high-temperature environment, which effectively solves the problems that the prior cable in the prior art is not provided with a plurality of groups of wires inside, so that the wires are easy to twist and wind mutually, and the use stability of the cable is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cable structure for high temperature environment, includes the cable inner protection layer, the inner wall of cable inner protection layer is equipped with fills the frame, fills the frame and is snowflake shape structure, the inside equidistance of filling the frame be equipped with the cable core of cable inner protection layer inner wall contact, the outside of cable inner protection layer is equipped with the internal insulation skin, the outside of internal insulation skin is equipped with metal braid one, the outside of metal braid one is equipped with outer insulating skin, the outside of outer insulating skin is equipped with cable outer protection layer, the outside of cable outer protection layer is equipped with fire-proof structure, fire-proof structure's outside cover is equipped with outer pillar, the positioning mechanism who sets up through the equidistance between fire-proof structure and the outer pillar is connected.

Preferably, balls are embedded in the outer wall of the outer protection tube at equal intervals.

Preferably, the outer wall of the outer insulating sheath is sleeved with a second metal braiding layer positioned on the inner wall of the cable outer protective layer.

Preferably, the fireproof structure comprises a first solid layer, a second solid layer and a third solid layer, wherein the first solid layer is arranged on the outer wall of the cable outer protection layer, the second solid layer is arranged on the outer wall of the first solid layer, and the third solid layer is arranged on the outer wall of the second solid layer.

Preferably, the positioning mechanism comprises an internal thread cylinder, an extension rod, an abutting plate, an external thread block and an internal thread groove, the internal thread cylinder is rotatably arranged on the outer wall of the third solid layer, the extension rod is inserted in the internal thread cylinder, the internal thread groove is formed in the inner wall of the internal thread cylinder, one end of the extension rod is provided with the external thread block in threaded connection with the internal thread groove, and the abutting plate is movably arranged at the other end of the extension rod.

Preferably, one end of the pressing plate and one end of the internal thread cylinder are respectively provided with a connecting rod, and the extending rod and the third solid layer are respectively provided with a connecting groove rotationally connected with the connecting rod, and the connecting rods and the connecting grooves are of T-shaped structures.

Compared with the prior art, the utility model has the beneficial effects that:

(1) In operation, the cable inner protection layer, the filling frame, the cable core, the inner insulation skin, the first metal braiding layer, the outer insulation skin, the second metal braiding layer, the cable outer protection layer, the fireproof structure, the outer protection tube and the positioning mechanism are arranged, so that the outer protection tube is stably arranged outside the cable, the protection of the cable by the outer protection tube is realized, and when the external temperature is higher, the cable is not in direct contact with the cable inner protection layer, so that the degree of heat transfer to the cable is limited to a certain extent when the outer protection tube is heated, and the cable core can be effectively applied to a high-temperature environment; through the design of the fireproof structure, the fireproof performance of the cable is effectively improved, the cable is convenient to adapt to a high-temperature environment, and the practicability of the cable is further improved; and through the design of filling frame, realize the separation of cable core and place, can avoid the cable to appear the cable core and twist each other and twine the condition after long-term use, the effectual installation stability who improves the cable core, and then improved the life of cable.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a cable structure for a high temperature environment according to the present utility model;

FIG. 2 is a schematic view of a fire-protecting structure according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic view of the outer tube according to the present utility model;

in the figure: 1. a cable inner protective layer; 2. a filling frame; 3. a cable core; 4. an inner insulating sheath; 5. a first metal braiding layer; 6. an outer insulating skin; 7. a second metal braiding layer; 8. an outer protective layer of the cable; 9. a fire protection structure; 10. an outer protective tube; 11. a ball; 12. an internal thread cylinder; 13. an extension rod; 14. a pressing plate; 15. a connecting rod; 16. a connection groove; 17. an external thread block; 18. an internal thread groove; 19. a first solid layer; 20. a second solid layer; 21. and a third solid layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the inner wall of the cable inner protection layer 1 is provided with a filling frame 2, and it should be noted that the filling frame 2 is a porous plastic filling frame, the filling frame 2 is of a snowflake structure, a cable core 3 contacting with the inner wall of the cable inner protection layer 1 is equidistantly arranged inside the filling frame 2, an inner insulating cover 4 is arranged outside the cable inner protection layer 1, a metal braiding layer 5 is arranged outside the inner insulating cover 4, an outer insulating cover 6 is arranged outside the metal braiding layer 5, a cable outer protection layer 8 is arranged outside the outer insulating cover 6, a fireproof structure 9 is arranged outside the cable outer protection layer 8, an outer protection tube 10 is sleeved outside the fireproof structure 9, the fireproof structure 9 is connected with the outer protection tube 10 through a positioning mechanism which is equidistantly arranged, and the connection between the fireproof structure 9 and the outer protection tube 10 is realized through the design of the positioning mechanism, so that the cable core 3 is arranged inside the outer protection tube 10, the cable core 3 is conveniently protected, and the cable inner protection layer 1 and the cable outer protection layer 8 are made of zh plastic.

In the use, because the outside of cable core 3 is provided with outer pillar 10, this outer pillar 10 can effectually prevent that cable core 3 from directly contacting with the external world to cable core 3 is arranged in the inside of cable inner protection layer 1, simultaneously through positioning mechanism, can realize the connection of fire resistive structure 9 and outer pillar 10, when external temperature is higher, because cable core 3 and cable inner protection layer 1 do not direct contact, therefore its degree of transferring heat to cable core 3 receives certain restriction when outer pillar 10 is heated, and then effectually make cable core 3 can be applicable to high temperature environment, consequently have certain practicality.

The outer wall equidistance of outer pillar 10 inlays and is equipped with ball 11, the outer wall cover of outer insulating sheath 6 is equipped with the metal weaving layer two 7 that are located cable outer protective layer 8 inner wall, through the design of ball 11, when outer pillar 10 is located ground, can make ball 11 and ground contact, realize unsettled of outer pillar 10, and then can realize the protection of outer pillar 10, avoid outer pillar 10 and ground friction and damage, and then realize the protection of outer pillar 10, the effectual life of extension cable, through the design of metal weaving layer two 7, the effectual inside of outer insulating sheath 6 is protected, it is noted here that metal weaving layer one 5 and metal weaving layer two 7 are the network structure that the metal material woven, such as alloy copper, copper foil wire or copper-clad steel, metal weaving layer two 7 have better pliability, and then effectually promoted the bending resistance of cable.

The fireproof structure 9 comprises a first solid layer 19, a second solid layer 20 and a third solid layer 21, wherein the first solid layer 19 is arranged on the outer wall of the cable outer protection layer 8, the second solid layer 20 is arranged on the outer wall of the first solid layer 19, and the third solid layer 21 is arranged on the outer wall of the second solid layer 20; the first solid layer 19 is a ceramic refractory thermoplastic compound, the ceramic refractory thermoplastic compound is provided with a polymer matrix of ethylene copolymer and an inorganic filling material, the second solid layer 20 is a glass fiber net belt, the third solid layer 21 is a halogen compound, and the fireproof structure of the cable is effectively improved through the design of the first solid layer 19, the second solid layer 20 and the third solid layer 21.

The positioning mechanism comprises an internal thread cylinder 12, an extension rod 13, a pressing plate 14, an external thread block 17 and an internal thread groove 18, wherein the internal thread cylinder 12 is rotatably arranged on the outer wall of a third solid layer 21, the extension rod 13 is inserted into the internal thread cylinder 12, the internal thread groove 18 is formed in the inner wall of the internal thread cylinder 12, one end of the extension rod 13 is provided with the external thread block 17 which is in threaded connection with the internal thread groove 18, the pressing plate 14 is movably arranged at the other end of the extension rod 13, connecting rods 15 are respectively arranged at the pressing plate 14 and one end of the internal thread cylinder 12, connecting grooves 16 which are rotatably connected with the connecting rods 15 are respectively formed in the extension rod 13 and the third solid layer 21, and the connecting rods 15 and the connecting grooves 16 are of T-shaped structures;

through rotatory internal thread section of thick bamboo 12, grip extension rod 13 with the hand, avoid extension rod 13 to follow internal thread section of thick bamboo 12 and rotate, and then through the threaded connection relation of internal thread groove 18 and external screw thread piece 17, can make external screw thread piece 17 promote extension rod 13 remove, and then extension rod 13 can drive to support clamp plate 14 and remove, make the inner wall contact of support clamp plate 14 and outer pillar 10, and then realize the connection of fire resistive construction 9 and outer pillar 10, stable messenger's outer pillar 10 is located the outside of cable, the connection stability of cable and outer pillar 10 has been improved, realize the protection of outer pillar 10 to cable simultaneously.

Claims (6)

1. The utility model provides a cable structure for high temperature environment, includes cable inner protection layer (1), its characterized in that: the inner wall of cable inner protection layer (1) is equipped with fills frame (2), fill frame (2) be snowflake shape structure, the inside equidistance of filling frame (2) be equipped with cable core (3) of cable inner protection layer (1) inner wall contact, the outside of cable inner protection layer (1) is equipped with interior insulating skin (4), the outside of interior insulating skin (4) is equipped with metal braid (5), the outside of metal braid (5) is equipped with outer insulating skin (6), the outside of outer insulating skin (6) is equipped with cable outer protection layer (8), the outside of cable outer protection layer (8) is equipped with fire-proof structure (9), the outside cover of fire-proof structure (9) is equipped with outer pillar (10), be connected through the positioning mechanism that the equidistance set up between fire-proof structure (9) and outer pillar (10).

2. A cable construction for a high temperature environment according to claim 1, wherein: balls (11) are embedded in the outer wall of the outer protection tube (10) at equal intervals.

3. A cable construction for a high temperature environment according to claim 1, wherein: the outer wall of the outer insulating sheath (6) is sleeved with a second metal braiding layer (7) positioned on the inner wall of the cable outer protective layer (8).

4. A cable construction for a high temperature environment according to claim 1, wherein: the fireproof structure (9) comprises a first solid layer (19), a second solid layer (20) and a third solid layer (21), wherein the first solid layer (19) is arranged on the outer wall of the cable outer protection layer (8), the second solid layer (20) is arranged on the outer wall of the first solid layer (19), and the third solid layer (21) is arranged on the outer wall of the second solid layer (20).

5. A cable construction for a high temperature environment according to claim 1, wherein: the positioning mechanism comprises an inner thread cylinder (12), an extension rod (13), a pressing plate (14), an outer thread block (17) and an inner thread groove (18), wherein the inner thread cylinder (12) is rotatably arranged on the outer wall of a third solid layer (21), the extension rod (13) is inserted into the inner thread cylinder (12), the inner thread groove (18) is formed in the inner wall of the inner thread cylinder (12), the outer thread block (17) in threaded connection with the inner thread groove (18) is arranged at one end of the extension rod (13), and the pressing plate (14) is movably arranged at the other end of the extension rod (13).

6. A cable construction for a high temperature environment according to claim 5, wherein: one end of the pressing plate (14) and one end of the internal thread cylinder (12) are respectively provided with a connecting rod (15), and connecting grooves (16) which are rotationally connected with the connecting rods (15) are respectively formed in the extending rods (13) and the third solid layer (21), and the connecting rods (15) and the connecting grooves (16) are of T-shaped structures.