CN212782752U

CN212782752U - Tensile bending-resistant high-temperature medical line with double-layer sheath

Info

Publication number: CN212782752U
Application number: CN202021886234.8U
Authority: CN
Inventors: 王成彬; 李明; 华小芳
Original assignee: SHANGHAI SHENYUAN HI-TEMP WIRE CO LTD
Current assignee: SHANGHAI SHENYUAN HI-TEMP WIRE CO LTD
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-23
Anticipated expiration: 2030-09-02

Abstract

The utility model provides a resistant double-deck sheath high temperature medical line that buckles of tensile which characterized in that: the cable comprises a conductor wire core (1), a tensile wire core (3), a filling layer (4), a first wrapping layer (5), a shielding layer (6), a second wrapping layer (7), an inner sheath (8) and an outer sheath (9). The whole medical line has the characteristics of environmental protection, tensile strength and bending resistance, and the service life of the product is prolonged.

Description

Tensile bending-resistant high-temperature medical line with double-layer sheath

Technical Field

The utility model belongs to the technical field of wire and cable, specifically say so and relate to a double-deck sheath high temperature medical line that buckles is resisted in tensile.

Background

The wire and cable industry is an important matching industry for economic construction and is widely applied to various fields of national economy. In recent years, with the continuous and rapid development of economy and the advance of urbanization, the wire and cable industry keeps a higher growth speed, and the requirements of wires and cables are continuously increased. At present, with the increase of electrical equipment, some small-section wires and cables are frequently used on medical equipment, when the medical equipment does uninterrupted reciprocating motion, the wires are easy to break, and the wires and cables are low in bending resistance and tensile property, short in service life and high in cost, and cannot meet the use requirements of the medical equipment. The common small-section medical line adopts a structure of a plated copper conductor, fluoroplastic insulation and a silicon rubber sheath. However, the conductor has a small cross section, so that the conductor is poor in tensile and bending resistance. And because the wire and cable lack tensile, resistant material of buckling, so the tensile of product, resistant performance such as buckling is relatively poor, when incessant reciprocating motion's motion, the electric wire breaks easily, thereby influences medical equipment's normal function.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tensile is able to bear or endure the double-deck sheath high temperature medical line of buckling to the defect that above-mentioned medical line exists, has avoided the not tensile of current small cross-section medical line and has resisted the relatively poor difficult problem of buckling nature. The whole medical line has the characteristics of environmental protection, tensile strength and bending resistance, and the service life of the product is prolonged.

Technical scheme

In order to realize the technical purpose, the utility model provides a pair of double-deck sheath high temperature medical line is nai buckling in tensile, its characterized in that: it includes conductor sinle silk, tensile sinle silk, filling layer, winds covering one, shielding layer, winds covering two, inner sheath and oversheath, the outer cladding of conductor sinle silk has insulating layer one, the outer cladding of tensile sinle silk has insulating layer two, the cladding has the conductor sinle silk of insulating layer one and the tensile sinle silk of insulating layer two to meet, there is the filling layer in the clearance between insulating layer one and insulating layer two, outside insulating layer one and the insulating layer cladding around covering, the outer cladding of covering has the shielding layer around covering, the outer cladding of shielding layer has around covering two, the outer inner sheath that is equipped with around covering, the outer cladding of inner sheath has the oversheath.

Further, the outer diameters of the first insulating layer and the second insulating layer are the same;

the first insulating layer and the second insulating layer are fluoroplastic insulating layers, and the thicknesses of the first insulating layer and the second insulating layer are 0.1-0.5 mm.

Further, the conductor wire core is formed by stranding a plurality of strands of silver-copper alloy.

Furthermore, the tensile wire core is made of aramid fibers.

Furthermore, the filling layer is made of aramid fibers.

Further, be the PTFE area around covering one, the thickness around covering one is 0.05 ~ 0.2 mm.

Furthermore, the shielding layer is formed by weaving silver-plated copper wires, and the weaving density is not less than 90%, which is good.

Further, be the PTFE area around covering two, the thickness around covering two is 0.05 ~ 0.2 mm.

Further, the inner sheath is made of fluoroplastic, and the thickness of the inner sheath is 0.1-0.5 mm;

the outer sheath is made of medical-grade silicon rubber, and the thickness of the outer sheath is 0.5-1.5 mm.

Advantageous effects

The utility model provides a pair of resistant double-deck sheath high temperature medical line of buckling of tensile uses silver-plated silver-copper alloy as the conductor, and it has better mechanical properties, adopts aramid fiber as tensile core sinle silk and packing, has improved tensile, the resistant performance of buckling of electric wire. And adopt double-deck sheath structure, the inlayer sheath is fluoroplastics, and outer sheath is medical grade silicon rubber, can rotate between inner sheath and the oversheath, and the performance of product obtains promoting.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in the accompanying drawing 1, a resistant double-deck sheath high temperature medical treatment line of buckling of tensile, it includes conductor sinle silk 1, tensile sinle silk 3, filling layer 4, winds covering one 5, shielding layer 6, winds covering two 7, inner sheath 8 and oversheath 9, the outer cladding of conductor sinle silk 1 has insulating layer one 2a, the outer cladding of tensile sinle silk 3 has insulating layer two 2b, the cladding has insulating layer one 2 a's conductor sinle silk 1 and insulating layer two 2 b's tensile sinle silk 3 to meet, have filling layer 4 in the clearance between insulating layer one 2a and the insulating layer two 2b, wind covering one 5 cladding outside insulating layer one 2a and insulating layer two 2b, the outer cladding of covering one 5 of covering has shielding layer 6, the outer cladding of shielding layer 6 has around covering two 7, be equipped with inner sheath 8 outside covering two 7 of covering, inner sheath 8 has oversheath 9.

The outer diameters of the first insulating layer 2a and the second insulating layer 2b are the same;

The conductor wire core 1 is formed by stranding a plurality of strands of silver-copper alloy.

The tensile wire core 3 is made of aramid fiber.

The filling layer 4 is made of aramid fiber.

The package is characterized in that the first winding layer 5 is a PTFE tape, and the thickness of the first winding layer 5 is 0.05-0.2 mm.

The shielding layer 6 is formed by weaving silver-plated copper wires, and the weaving density is more than or equal to 90 percent, and is good.

The second wrapping layer 7 is a PTFE tape, and the thickness of the second wrapping layer 7 is 0.05-0.2 mm.

The inner sheath 8 is made of fluoroplastic, and the thickness of the inner sheath 8 is 0.1-0.5 mm;

the outer sheath 9 is made of medical-grade silicon rubber, and the thickness of the outer sheath 9 is 0.5-1.5 mm.

The utility model provides a pair of double-deck sheath high temperature medical line of buckling is resisted in tensile, conductor sinle silk are formed by silver-plated silver-copper alloy transposition, and its electric conductivity is better after the silver-plating, and silver-copper alloy's mechanical properties is good, has excellent resistant performance of buckling. The insulating layer is made of fluoroplastic, so that the insulating layer has high thermal stability, ageing resistance, acid and alkali resistance and flame retardance, and also has excellent electrical property and high insulating resistance. In addition, add one or many tensile heart yearns, at aramid fiber silk outside cladding one deck insulating layer, then with conductor sinle silk common stranding, aramid fiber silk has good pliability, high strength, high wear-resisting, tear resistance can, improves the tensile properties of product. During cabling, aramid fiber is used as a filling layer, so that the tensile property of the wire is improved while the roundness of the wire and the cable is ensured; the silver-plated copper wire is selected for the braided shield, silver has excellent conductivity and toughness, and the effect of shielding electromagnetic interference is good; the inside and outside of the shielding layer are wrapped with PTFE tapes, so that the smooth structure of the inner layer and the outer layer of the shielding layer is ensured. The inner sheath adopts fluoroplastic, and the inner sheath not only has excellent electrical property, but also has good mechanical property, aging resistance and acid and alkali resistance. The outer sheath is made of medical-grade silicon rubber, so that the rubber sheath has good flexibility and environmental protection, and the surface is round and smooth. The silver-plated silver-copper alloy is used as a conductor, so that the mechanical performance is better, and aramid fiber is used as a tensile core wire core and is filled, so that the tensile and bending resistance of the wire is greatly improved. And adopt double-deck sheath structure, the inlayer sheath is fluoroplastics, and outer sheath is medical grade silicon rubber, can rotate between inner sheath and the oversheath, and the performance of product is better.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a resistant double-deck sheath high temperature medical line that buckles of tensile which characterized in that: it includes conductor sinle silk (1), tensile sinle silk (3), filling layer (4), winds covering one (5), shielding layer (6), winds covering two (7), inner sheath (8) and oversheath (9), the outer cladding of conductor sinle silk (1) has insulating layer one (2a), the outer cladding of tensile sinle silk (3) has insulating layer two (2b), the cladding has tensile sinle silk (3) of insulating layer one (2a) and insulating layer two (2b) to meet, there is filling layer (4) in the clearance between insulating layer one (2a) and insulating layer two (2b), the cladding is outside insulating layer one (2a) and insulating layer two (2b) around covering one (5), the outer cladding of covering one (5) has shielding layer (6), shielding layer (6) has outer cladding of covering two (7), outer covering of covering two (7) is equipped with inner sheath (8), the inner sheath (8) is externally coated with an outer sheath (9).

2. The tensile and bending-resistant double-sheath high-temperature medical wire of claim 1, wherein: the outer diameters of the first insulating layer (2a) and the second insulating layer (2b) are the same;

3. The tensile and bending-resistant double-sheath high-temperature medical wire of claim 1, wherein: the conductor wire core (1) is formed by stranding a plurality of strands of silver-copper alloy.

4. The tensile and bending-resistant double-sheath high-temperature medical wire of claim 1, wherein: the tensile wire core (3) is made of aramid fiber.

5. The tensile and bending-resistant double-sheath high-temperature medical wire of claim 1, wherein: the filling layer (4) is made of aramid fibers.

6. The tensile and bending-resistant double-sheath high-temperature medical wire of claim 1, wherein: the PTFE area is around covering (5), the thickness around covering (5) is 0.05 ~ 0.2 mm.

7. The tensile and bending-resistant double-sheath high-temperature medical wire of claim 1, wherein: the shielding layer (6) is formed by weaving silver-plated copper wires, and the weaving density is more than or equal to 90%.

8. The tensile and bending-resistant double-sheath high-temperature medical wire of claim 1, wherein: the second wrapping layer (7) is a PTFE tape, and the thickness of the second wrapping layer (7) is 0.05-0.2 mm.

9. The tensile and bending-resistant double-sheath high-temperature medical wire of claim 1, wherein:

the inner sheath (8) is made of fluoroplastic, and the thickness of the inner sheath (8) is 0.1-0.5 mm;

the outer sheath (9) is made of medical-grade silicon rubber, and the thickness of the outer sheath (9) is 0.5-1.5 mm.