CN219716509U - A highly elastic and anti-extrusion composite cable - Google Patents

Abstract

The utility model discloses a high-elasticity extrusion-resistant composite cable, which comprises a network line group arranged in the center and a plurality of transmission line groups distributed outside the network line group, wherein the outer side of the transmission line group is sequentially coated with a non-woven fabric layer, an oblique-wrapping shielding layer, an inner sheath and an outer sheath from inside to outside, the network line group comprises two pairs or four pairs of network lines, the network line group sequentially comprises two pairs of twisted network lines, a filling layer, a woven shielding layer, an aluminum foil tape wrapping layer and a stainless steel tape wrapping layer from inside to outside.

Description

A highly elastic and anti-extrusion composite cable

Technical field

The utility model relates to the technical field of medical equipment cables, specifically a highly elastic and anti-extrusion composite cable.

Background technique

Existing cables for medical equipment have a high degree of functional integration. They not only have the basic function of transmitting voltage, but also have the functions of signal transmission and network cables. At the same time, existing cables also need to be extended into the human body together with certain equipment to affect the internal organs of the human body. Therefore, the flexibility, drag resistance, extrusion resistance, chemical corrosion resistance and signal transmission reliability of the cable are very strict. In order to meet the above requirements, a highly elastic and anti-extrusion composite composite was designed. cable.

Utility model content

The purpose of this utility model is to provide a highly elastic anti-extrusion type composite cable, which uses the inside of the network cable group to distribute network wires, filling layers, braided shielding layers, aluminum foil tape wrapping layers, and stainless steel tape wrapping layers in sequence from the inside to the outside. As well as the non-woven layer, oblique shielding layer, inner sheath and outer sheath covered in sequence on the outside of the transmission line group, the product has the characteristics of excellent electrical performance, good processing performance, and excellent physical and mechanical properties; it can withstand better The use of stainless steel strips effectively prevents damage to network cables caused by external impacts and maintains the flexibility and elasticity of the cables.

The utility model provides the following technical solution: a highly elastic anti-extrusion type composite cable, which includes a network line group arranged in the center and a plurality of transmission line groups distributed outside the network line group. The outside of the transmission line group is wrapped sequentially from the inside to the outside. Covered with a non-woven fabric layer, a diagonal shielding layer, an inner sheath and an outer sheath, the network line group includes two or four pairs of network lines, and the network line group includes two pairs of twisted networks from the inside to the outside. wire, filling layer, braided shielding layer, aluminum foil tape wrapping layer, stainless steel tape wrapping layer, the network cable includes a network cable conductor and a network cable insulation layer in order from the inside to the outside, the transmission line group includes multiple wire cores, so The wire core is formed by twisting two pairs of transmission line conductors covered with a transmission line insulation layer.

In order to improve the tensile strength and elasticity of the cable, the network line conductor uses extremely thin 0.05mm bare copper conductor, and the transmission line conductor uses 0.08mm copper-tin alloy wire.

In order to reduce signal attenuation and increase transmission distance, the network cable insulation layer is made of high-density polyethylene insulation material.

In order to reduce wear between transmission lines, the transmission line group includes control signal lines and power supply lines, and the insulation layer of the transmission line is ETFE insulation material.

In order to maintain the transmission performance of the network cable, the surface of the network cable group has two layers of shielding. The two layers of shielding are composed of a braided shielding layer and an aluminum foil tape wrapping layer. The braided shielding layer is a tinned copper wire braid.

In order to ensure the elasticity of the cable, the obliquely wrapped shielding layer is obliquely wrapped with tinned copper wire.

In order to increase the elasticity of the cable and improve its wear resistance, the inner sheath and outer sheath are made of thermoplastic elastic materials and polyurethane materials respectively.

Furthermore, the filling layer uses Kevlar bulletproof yarn.

Furthermore, the non-woven fabric layer is made of lightweight non-woven fabric.

Compared with the existing technology, the beneficial effects achieved by this utility model are: using the inside of the network cable group to sequentially distribute network cables, filling layers, braided shielding layers, aluminum foil tape wrapping layers, stainless steel tape wrapping layers, and The outside of the transmission line group is covered in sequence with a non-woven layer, a diagonal shielding layer, an inner sheath and an outer sheath, giving the product the characteristics of excellent electrical performance, good processing performance, and excellent physical and mechanical properties; it can withstand better external forces. The use of stainless steel strips effectively prevents damage to network cables from external impacts and maintains the flexibility and elasticity of cables.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used to explain the present utility model together with the embodiments of the present utility model, and do not constitute a limitation of the present utility model. In the attached picture:

Figure 1 is a schematic cross-sectional structural diagram of the cable of the present invention;

In the picture: 1. Transmission line conductor; 2. Transmission line insulation; 3. Network cable conductor; 4. Network cable insulation; 5. Braided shielding layer; 6. Stainless steel tape wrapping; 7. Oblique shielding layer; 8. Inner sheath; 9. Outer sheath; 10. Filling layer; 11. Non-woven fabric layer; 12. Aluminum foil tape wrapping layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Example

Please refer to Figure 1. The present utility model provides a technical solution: a highly elastic and anti-extrusion composite cable, including a network line group arranged in the center and multiple transmission line groups distributed outside the network line group. The outside of the transmission line group is arranged from the inside to the outside. It is sequentially covered with a non-woven fabric layer 11, an oblique shielding layer 7, an inner sheath 8 and an outer sheath 9. The network cable group includes two or four pairs of network cables. The network cable group includes two pairs of twisted pairs from the inside to the outside. The network cable, the filling layer 10, the braided shielding layer 5, the aluminum foil tape wrapping layer 12, the stainless steel tape wrapping layer 6, the network cable includes the network cable conductor 3 and the network cable insulation layer 4 from the inside to the outside, and the transmission line group includes multiple The wire core is formed by pairing the transmission line conductors 1 covered with the transmission line insulation layer 2. This product has the characteristics of excellent electrical performance, good processing performance, and excellent physical and mechanical properties; it can withstand better external impact on the cable. The use of stainless steel strips effectively prevents damage to network cables from external impacts and ensures the stability of the network.

Network cable conductor 3 uses extremely thin 0.05mm bare copper conductor, and transmission line conductor 1 uses 0.08mm copper-tin alloy wire. It has good tensile strength and high elasticity, which can improve the elasticity of the cable itself, and when the cable is squeezed by external force, Not easy to break.

The network cable insulation layer 4 uses high-density polyethylene insulation material, which can better reduce signal attenuation and increase transmission distance. The high-density polyethylene insulation material has a smooth surface and high strength, which can reduce the friction with the filling layer, making The elasticity of the cable is well preserved.

The transmission line group includes control signal lines and power supply lines. The transmission line insulation layer 2 is ETFE insulation material, which effectively reduces the wear between different types of transmission lines and improves the tensile strength and bending resistance of the composite cable. At the same time, the ETFE surface is smooth and strong, which reduces the friction with the filling layer and enhances the elasticity of the cable.

There are two layers of shielding on the surface of the network cable set. The two layers of shielding are composed of a braided shielding layer 5 and an aluminum foil tape wrapping layer 12. The braided shielding layer 5 is braided with tinned copper wire to better reduce the high impact of the power supply line on the network line. The double-sided influence of high frequency and low frequency better protects the transmission performance of the network cable.

The oblique shielding layer 7 is obliquely wrapped with tinned copper wire, which is obviously different from the traditional braided shielding wire. The oblique shielding can retain the flexibility of the semi-finished product of the cable and reduce the binding force on the semi-finished product, making the cable more elastic. be released.

The inner sheath 8 and the outer sheath 9 are made of thermoplastic elastic materials and special polyurethane materials respectively. The outer sheath is resistant to 95% alcohol, 30% hydrogen peroxide, 10% Nac l solution, sweat and other medical environments, as well as wear resistance in special environments. The sheath is produced by double-layer co-extrusion, which can effectively improve the elasticity and anti-extrusion performance of the cable itself, so that the elasticity of the cable can be better maintained. Increase and reflect, and the material has good friction resistance and drag resistance, and has good adaptability to use in complex environments.

The filling layer 10 uses Kevlar bulletproof yarn, which reduces the friction between the wire cores.

The non-woven fabric layer 11 is made of lightweight non-woven fabric.

Finally, it should be noted that the above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to make equivalent replacements for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides a high elasticity extrusion formula composite cable of preventing, includes the network line group that sets up at the center and distributes a plurality of transmission line groups in the network line group outside, its characterized in that: the transmission line group outside has the non-woven fabrics layer, has to wrap shielding layer, inner sheath and oversheath to one side from inside to outside in proper order, the network line group includes two pairs or four pairs of network lines, the network line group includes two pairs of twisted network lines, filling layer, braided shielding layer, aluminium foil area around the covering, stainless steel strip around the covering from inside to outside in proper order, the network line includes network line conductor and network line insulating layer from inside to outside in proper order, the transmission line group includes many sinle silk, the sinle silk is by the transmission line conductor pair twisted shaping of cladding transmission line insulating layer.

2. The high elasticity extrusion-resistant composite cable of claim 1, wherein: the network line conductor adopts an extremely fine 0.05mm bare copper conductor, and the transmission line conductor adopts a 0.08mm copper-tin alloy wire.

3. The high elasticity extrusion-resistant composite cable of claim 1, wherein: the network line insulating layer is made of high-density polyethylene insulating material.

4. The high elasticity extrusion-resistant composite cable of claim 1, wherein: the transmission line group comprises a control signal line and a power supply line, and the transmission line insulating layer is ETFE insulating material.

5. The high elasticity extrusion-resistant composite cable of claim 1, wherein: the surface of the network line group is provided with two layers of shielding layers, the two layers of shielding layers are formed by a braided shielding layer and an aluminum foil tape wrapping layer, and the braided shielding layer is braided by tinned copper wires.

6. The high elasticity extrusion-resistant composite cable of claim 1, wherein: and the inclined package shielding layer adopts a tinned copper wire inclined package.

7. The high elasticity extrusion-resistant composite cable of claim 1, wherein: the inner sheath and the outer sheath are respectively made of thermoplastic elastic materials and polyurethane materials.

8. The high elasticity extrusion-resistant composite cable of claim 1, wherein: and the filling layer adopts Kevlar bulletproof yarns.

9. The high elasticity extrusion-resistant composite cable of claim 1, wherein: the non-woven fabric layer adopts light non-woven fabrics.