CN216084381U

CN216084381U - Tensile medical cable

Info

Publication number: CN216084381U
Application number: CN202121995814.5U
Authority: CN
Inventors: 杨黎歌
Original assignee: Echu Special Wire And Cable Kunshan Co ltd
Current assignee: Echu Special Wire And Cable Kunshan Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-18
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a tensile type medical cable which comprises an inner sheath, wherein a protective inner layer is arranged on the outer side of the inner sheath, a tensile inner layer is arranged on the outer side of the protective inner layer, the inner surface of the protective inner layer is fixedly and compositely connected with the outer surface of the inner sheath, the outer surface of the protective inner layer is fixedly and compositely connected with the inner surface of the tensile inner layer, a flame-retardant layer is arranged on the outer side of the tensile inner layer, a tensile outer layer is arranged on the outer side of the flame-retardant layer, the inner surface of the flame-retardant layer is fixedly and compositely connected with the outer surface of the tensile inner layer, the outer surface of the flame-retardant layer is fixedly and compositely connected with the inner surface of the tensile outer layer, and a buffer layer is arranged on the outer side of the tensile outer layer The cable core is broken under the action of various mechanical stresses such as stretching and the like, so that the normal use of the cable core is ensured.

Description

Tensile medical cable

Technical Field

The utility model relates to a medical cable, in particular to a tensile medical cable, and belongs to the technical field of cables.

Background

Cables are generally rope-like cables made by twisting several or several groups of conductors, each group of conductors being insulated from each other and often twisted around a center, and being entirely covered with a highly insulating covering, the cables having an inner current-carrying and an outer insulation characteristic, and the cables include power cables, control cables, compensation cables, shielding cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, and the like, which are made up of single-strand or multi-strand conductors and an insulating layer for connecting electric circuits, electric appliances, and the like, and the cables are conductors for transmitting electric power or information from one place to another, which are made up of single-strand or multi-strand conductors and an insulating layer for connecting electric circuits, electric appliances, and the like.

Along with the development of society, the power consumption also increases thereupon, and the requirement to the cable is also higher and higher, and power cable is just as people's blood vessel generally for economic construction all around the power energy and all kinds of information signal resource, and the cable core inside traditional cable is most for conflicting the setting each other, and the signal between the cable core can cause the influence each other to its tensile strength is relatively poor, and the cable receives frequent bending, the fracture of multiple mechanical stress effect such as tensile extremely easily leading to the cable core at the in-process of installation or transportation, thereby influences its normal use.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide a tensile medical cable, which can separate cable cores to prevent signals between the cable cores from affecting each other, has excellent tensile strength, and can prevent the cable cores from being broken due to various mechanical stresses such as frequent bending and stretching, thereby ensuring normal use.

The utility model achieves the aim through the following technical scheme, and the tensile type medical cable comprises an inner sheath, wherein a protective inner layer is arranged on the outer side of the inner sheath, a tensile inner layer is arranged on the outer side of the protective inner layer, the inner surface of the protective inner layer is fixedly and compositely connected with the outer surface of the inner sheath, the outer surface of the protective inner layer is fixedly and compositely connected with the inner surface of the tensile inner layer, a flame retardant layer is arranged on the outer side of the tensile inner layer, a tensile outer layer is arranged on the outer side of the flame retardant layer, the inner surface of the flame retardant layer is fixedly and compositely connected with the outer surface of the tensile inner layer, the outer surface of the flame retardant layer is fixedly and compositely connected with the inner surface of the tensile outer layer, a buffer layer is arranged on the outer side of the tensile outer layer, an outer sheath is arranged on the outer side of the buffer layer, and the inner surface of the buffer layer is fixedly and compositely connected with the outer surface of the tensile outer layer, the outer surface of the buffer layer is fixedly and compositely connected with the inner surface of the outer sheath.

Preferably, the inner cavity of the inner sheath is provided with a mounting groove, and a filler is filled between the inner wall of the inner sheath and the outer wall of the mounting groove.

Preferably, the center of the inner cavity of the mounting groove is provided with a reinforcing strip, the inner cavity of the mounting groove is provided with a plurality of cable cores, and the outer surfaces of the cable cores are provided with insulating protective sleeves.

Preferably, the protection inlayer is by the circular cover that polyolefin resin made, the net cover that the tensile inlayer was woven by glass fiber forms, fire-retardant layer is made by the asbestos fiber, the tensile skin is made by aramid yarn.

Preferably, a plurality of buffer holes are arranged in the inner cavity of the buffer layer at equal intervals.

Preferably, the outer sheath is made of polyurethane material and the inner cavity of the outer sheath is provided with a plurality of galvanized wires at equal intervals.

The utility model has the beneficial effects that: the glass fiber has the advantages of good insulation property, strong heat resistance, good corrosion resistance, high mechanical strength, high tensile strength, small elongation, high elastic coefficient, good rigidity, large elongation amount and high tensile strength within an elastic limit, so that the glass fiber has large impact energy absorption, can provide good flame retardant property by arranging the flame retardant layer, and has the characteristics of heat resistance, low cost, high strength, high toughness, high strength, high toughness, high strength, high impact resistance, high strength, high tensile strength, high impact energy resistance, high flame retardancy, high strength, high heat resistance, high strength, high heat resistance, high heat, The aramid yarn is a good electrical insulating material, the tensile capacity can be improved by arranging the tensile outer layer, and the aramid yarn has the special properties of small density, very high tensile modulus, high breaking strength, low breaking elongation and the like; the polyurethane-based optical cable reinforcing unit material has the advantages that the inherent stability, the very low shrinkage rate, the low creep and the very high glass transition temperature can be kept at a high temperature, in addition, the corrosion resistance and the non-conductivity are high, the strong chemical resistance is realized except for strong acid and strong alkali, the optical cable reinforcing unit material is excellent, a certain buffer capacity can be provided when the optical cable reinforcing unit material is extruded from the outside by arranging the buffer layer, so that a cable core is protected, the good protection capacity can be provided by arranging the outer sheath, the polyurethane-based material has good stability, chemical resistance, rebound resilience and mechanical property, has smaller compression deformability, has good heat insulation, sound insulation, shock resistance and toxicity resistance, the tensile capacity can be improved again by arranging the galvanized wire, the galvanized wire has good toughness and elasticity, and the highest zinc content can reach 300 g/square meter, has the characteristics of strong corrosion resistance and the like.

Drawings

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

FIG. 2 is a schematic view of the construction of the inner sheath of the present invention;

FIG. 3 is a schematic structural diagram of a buffer layer according to the present invention;

FIG. 4 is a schematic view of the construction of the outer sheath of the present invention;

in the figure: 1. an inner sheath; 2. a protective inner layer; 3. a tensile inner layer; 4. a flame retardant layer; 5. a tensile outer layer; 6. a buffer layer; 7. an outer sheath; 8. mounting groove, 9, filler; 10. a reinforcing strip; 11. a cable core; 12. an insulating protective sleeve; 13. a buffer hole; 14. and (4) galvanizing the wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a tensile medical cable includes an inner sheath 1, the inner sheath 1 can provide a cable core 11 with excellent protection performance, a protective inner layer 2 is disposed on an outer side of the inner sheath 1, a tensile inner layer 3 is disposed on an outer side of the protective inner layer 2, the tensile inner layer 3 can provide good tensile strength, an inner surface of the protective inner layer 2 is fixedly and compositely connected with an outer surface of the inner sheath 1, an outer surface of the protective inner layer 2 is fixedly and compositely connected with an inner surface of the tensile inner layer 3, a flame retardant layer 4 is disposed on an outer side of the tensile inner layer 3, the flame retardant layer 4 can provide good flame retardant performance, a tensile outer layer 5 is disposed on an outer side of the flame retardant layer 4, the tensile outer layer 5 can improve the tensile strength, an inner surface of the flame retardant layer 4 is fixedly and compositely connected with an outer surface of the tensile inner layer 3, an outer surface of the flame retardant layer 4 is fixedly and compositely connected with an inner surface of the tensile outer layer 5, the outer side of the tensile outer layer 5 is provided with a buffer layer 6, the outer side of the buffer layer 6 is provided with an outer sheath 7, the outer sheath 7 can provide good protection capability, the inner surface of the buffer layer 6 is fixedly and compositely connected with the outer surface of the tensile outer layer 5, and the outer surface of the buffer layer 6 is fixedly and compositely connected with the inner surface of the outer sheath 7.

As a preferred technical solution of the present invention, an inner cavity of the inner sheath 1 is provided with a mounting groove 8, a filler 9 is filled between an inner wall of the inner sheath 1 and an outer wall of the mounting groove 8, a reinforcing bar 10 is arranged at a center of the inner cavity of the mounting groove 8, a plurality of cable cores 11 are arranged in the inner cavity of the mounting groove 8, an insulating sheath 12 is arranged on an outer surface of the cable cores 11, the mounting groove 8 can mount and place the cable cores 11, the insulating sheath 12 can fix positions of the cable cores 11 and can separate adjacent cable cores 11 to prevent mutual influence between the cable cores 11, and the filler 9 can support the inner cavity of the inner sheath 1 and can also protect the mounting groove 8 and the cable cores 11 therein.

As a preferred technical scheme of the utility model, the protective inner layer 2 is a circular sleeve made of polyolefin resin, the tensile inner layer 3 is a net sleeve woven by glass fiber, the flame-retardant layer 4 is made of asbestos fiber, and the tensile outer layer 5 is made of aramid fiber yarn, the glass fiber has the advantages of good insulativity, strong heat resistance, good corrosion resistance, high mechanical strength, high tensile strength, small elongation, high elastic coefficient, good rigidity, large elongation amount within the elastic limit and high tensile strength, so that the impact energy absorption is large, the asbestos fiber is characterized by heat resistance, non-combustibility, water resistance, acid resistance and chemical corrosion resistance, and is a better electric insulating material, and the aramid fiber yarn has special performances of small density, very high tensile modulus, high breaking strength, low breaking elongation and the like; the high-temperature-resistant optical cable reinforcing unit material can keep inherent stability, very low shrinkage, low creep and very high glass transition temperature, has high corrosion resistance and non-conductivity, has strong chemical resistance except strong acid and strong alkali, and is a superior optical cable reinforcing unit material.

As a preferred technical scheme of the present invention, the buffer layer 6 has a plurality of buffer holes 13 arranged at equal intervals in the inner cavity thereof, and the buffer layer 6 can provide a certain buffer capacity when being extruded from the outside, so as to protect the cable core 11.

As a preferred technical scheme of the present invention, the outer sheath 7 is made of polyurethane material, and a plurality of galvanized wires 14 are arranged in an inner cavity of the outer sheath 7 at equal intervals, the polyurethane material has good stability, chemical resistance, resilience and mechanical properties, has smaller compression deformability, and has good heat insulation, sound insulation, shock resistance and gas resistance, and the galvanized wires 14 can improve the tensile strength again, the galvanized wires 14 have good toughness and elasticity, and the maximum zinc content can reach 300 g/square meter, and the present invention has the characteristics of strong corrosion resistance, etc.

The utility model can provide excellent protection for the cable core 11 by arranging the inner sheath 1, can install and place the cable core 11 by arranging the installation groove 8, can fix the position of the cable core 11 by arranging the insulating protective sheath 12, can separate the adjacent cable cores 11, prevents the mutual influence between the cable cores 11, can support the inner cavity of the inner sheath 1 and protect the installation groove 8 and the cable cores 11 therein by arranging the filler 9, can provide good tensile strength by arranging the tensile inner layer 3, has the advantages of good insulation, strong heat resistance, good corrosion resistance, high mechanical strength, high tensile strength, small elongation, high elastic coefficient, good rigidity, large elongation and high tensile strength within the elastic limit, large impact energy absorption and good flame retardant performance by arranging the flame retardant layer 4, the asbestos fiber is characterized by heat resistance, non-combustion, water resistance, acid resistance and chemical corrosion resistance, is a better electrical insulating material, can improve the tensile capacity by arranging the tensile outer layer 5, and has the special performances of small density, very high tensile modulus, higher breaking strength, lower breaking elongation and the like; the cable core can keep inherent stability, very low shrinkage rate, lower creep deformation and very high glass transition temperature at higher temperature, has higher corrosion resistance, is non-conductive, has stronger chemical resistance except strong acid and strong alkali, is a superior optical cable reinforcing unit material, can provide certain buffer capacity when being extruded by the outside by arranging the buffer layer 6 so as to protect the cable core 11, can provide good protective capacity by arranging the outer sheath 7, has good stability, chemical resistance, rebound resilience and mechanical property by polyurethane-polyurethane material, has smaller compression deformability, has good heat insulation, sound insulation, shock resistance and gas resistance, can improve the tensile capacity again by arranging the galvanized wire 14, has good toughness and elasticity, and can reach 300 g/square meter of the highest zinc content, has the characteristics of strong corrosion resistance and the like.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a tensile type medical cable, includes inner sheath (1), its characterized in that: the outer side of the inner sheath (1) is provided with a protective inner layer (2), the outer side of the protective inner layer (2) is provided with a tensile inner layer (3), the inner surface of the protective inner layer (2) is in fixed composite connection with the outer surface of the inner sheath (1), the outer surface of the protective inner layer (2) is in fixed composite connection with the inner surface of the tensile inner layer (3), the outer side of the tensile inner layer (3) is provided with a flame-retardant layer (4), the outer side of the flame-retardant layer (4) is provided with a tensile outer layer (5), the inner surface of the flame-retardant layer (4) is in fixed composite connection with the outer surface of the tensile inner layer (3), the outer surface of the flame-retardant layer (4) is in fixed composite connection with the inner surface of the tensile outer layer (5), the outer side of the tensile outer layer (5) is provided with a buffer layer (6), the outer side of the buffer layer (6) is provided with an outer sheath (7), the inner surface of the buffer layer (6) is fixedly and compositely connected with the outer surface of the tensile outer layer (5), and the outer surface of the buffer layer (6) is fixedly and compositely connected with the inner surface of the outer sheath (7).

2. The tension-type medical cable according to claim 1, wherein: the inner chamber of inner sheath (1) is equipped with mounting groove (8), the inner wall of inner sheath (1) with it is equipped with filler (9) to fill between the outer wall of mounting groove (8).

3. The tension-type medical cable according to claim 2, wherein: the cable is characterized in that a reinforcing strip (10) is arranged at the center of an inner cavity of the mounting groove (8), a plurality of cable cores (11) are arranged in the inner cavity of the mounting groove (8), and insulating protective sleeves (12) are arranged on the outer surfaces of the cable cores (11).

4. The tension-type medical cable according to claim 1, wherein: the round sleeve is made of polyolefin resin in the protective inner layer (2), the net cover formed by weaving glass fiber in the tensile inner layer (3), the flame-retardant layer (4) is made of asbestos fiber, and the tensile outer layer (5) is made of aramid yarn.

5. The tension-type medical cable according to claim 1, wherein: a plurality of buffer holes (13) are arranged in the inner cavity of the buffer layer (6) at equal intervals.

6. The tension-type medical cable according to claim 1, wherein: the outer sheath (7) is made of polyurethane material, and a plurality of galvanized wires (14) are arranged in the inner cavity of the outer sheath (7) at equal intervals.