CN215911220U - Multi-layer composite braided wire - Google Patents

Abstract

The utility model belongs to the technical field of connecting wires, and particularly relates to a multilayer composite braided wire which comprises a signal wire body, wherein the signal wire body comprises an inner layer braided wire and an outer layer braided wire; the inner layer braided wire comprises a first braided wire and a second braided wire; the outer layer braided wire comprises a third braided wire and a fourth braided wire, the third braided wire is sleeved on the periphery of the second braided wire, the fourth braided wire is sleeved on the periphery of the third braided wire, the third braided wire and the fourth braided wire respectively comprise a plurality of second wire cores, a second metal conductor and a third metal conductor are arranged on the outer side surface of each second wire core, the second metal conductor surrounds the second wire cores to form a first conducting layer, and the third metal conductor surrounds the second metal conductor to form a second conducting layer; the signal wire body is provided with a multilayer structure, and the outer layer braided wire is coated with the inner layer braided wire, so that the strength of the signal wire body is greatly improved, and the maximum breaking force of the signal wire body is improved.

Description

Multi-layer composite braided wire

Technical Field

The utility model belongs to the technical field of connecting wires, and particularly relates to a multilayer composite braided wire.

Background

The signal line is a wire used for transmitting sound signals generated by a sound source (signal source), and is commonly used for equipment such as a loudspeaker, and the signal line has the greatest defect that the loudspeaker emits sound by vibration of drum paper, so that when the loudspeaker emits sound, the signal line in the loudspeaker also generates vertical vibration along with the vibration of the drum paper, and when an audio signal rises to a certain frequency, the signal line generates transverse vibration or circular vibration in the horizontal direction besides the vertical vibration, namely, a rope skipping (roping) phenomenon is formed; when the signal wire in the loudspeaker generates a rope skipping phenomenon, the signal wire not only is easy to hit drum paper or bounce waves to generate noise, but also can form a short circuit of an audio signal due to the fact that the signal wire is touched; the existing signal wire has insufficient tensile strength and insufficient hardness, and is easy to break due to vibration, so that the formed audio signal conducting wire is still easy to generate a rope skipping phenomenon under high-frequency vibration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multilayer composite braided wire, and aims to solve the technical problem that a signal wire is easy to break due to insufficient hardness of the signal wire in the prior art.

In order to achieve the above object, an embodiment of the present invention provides a multilayer composite braided wire, including a signal wire body, where the signal wire body includes an inner layer braided wire and an outer layer braided wire; the inner layer braided wire comprises a first braided wire and a second braided wire, the second braided wire is sleeved on the periphery of the first braided wire, the first braided wire and the second braided wire respectively comprise a plurality of first wire cores, the first wire cores are mutually braided, and a first metal conductor is wound on the outer side surface of each first wire core; the outer braided wire comprises a third braided wire and a fourth braided wire, the third braided wire is sleeved on the periphery of the second braided wire, the fourth braided wire is sleeved on the periphery of the third braided wire, the third braided wire and the fourth braided wire comprise a plurality of second wire cores, a second metal conductor and a third metal conductor are arranged on the outer side face of each second wire core, the second metal conductor surrounds the second wire cores to form a first conducting layer, and the third metal conductor surrounds the second metal conductor to form a second conducting layer.

Optionally, the diameter of the signal line body ranges from 4.80mm to 5.50 mm.

Optionally, the first wire core and the second wire core are both provided with 12 strands.

Optionally, the first metal conductor is made of tin-copper and silver-tin-copper plated material, and the second metal conductor and the third metal conductor are made of silver-tin-copper plated material.

Optionally, the outer side surface of the second conductive layer is uniformly coated with a heat-resistant coating.

Optionally, the outer surface of the heat-resistant coating is uniformly coated with an anti-oxidation layer.

Optionally, the wire core is a fiber filament.

Optionally, the raw material of the cellosilk is aramid fiber or kevlar fiber.

Optionally, the second cores are woven with each other to form the third braid or the fourth braid.

Optionally, the two first cores are spliced with each other to form a core group, and the core groups are arranged in a mutual weaving mode.

One or more technical solutions in the multilayer composite braided wire provided by the embodiment of the present invention have at least one of the following technical effects: set up multilayer structure with the signal line body, outer braided wire cladding inlayer braided wire setting improves the intensity of signal line body greatly, improves the biggest breaking force of signal line body, and the sinle silk of inlayer braided wire uses the structure setting of individual layer metallic conductor cladding, and the sinle silk of outer braided wire uses multilayer metallic conductor's cladding structure setting, stable in structure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a multilayer composite braided wire according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-signal line body 11-inner layer braided wire 12-outer layer braided wire

110-first braiding 111-second braiding 112-first core

113-first metal conductor 120-third braided wire 121-fourth braided wire

122-second core 123-second metal conductor 124-third metal conductor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1, there is provided a multilayer composite braided wire comprising a signal wire body 10, the signal wire body 10 comprising an inner braided wire 11 and an outer braided wire 12; the inner layer braided wire 11 comprises a first braided wire 110 and a second braided wire 111, the second braided wire 111 is sleeved on the periphery of the first braided wire 110, the first braided wire 110 and the second braided wire 111 both comprise a plurality of first wire cores 112, each first wire core 112 is braided with each other, and a first metal conductor 113 is wound on the outer side surface of each first wire core 112; the outer layer braided wire 12 comprises a third braided wire 120 and a fourth braided wire 121, the third braided wire 120 is sleeved on the periphery of the second braided wire 111, the fourth braided wire 121 is sleeved on the periphery of the third braided wire 120, the third braided wire 120 and the fourth braided wire 121 both comprise a plurality of second wire cores 122, a second metal conductor 123 and a third metal conductor 124 are arranged on the outer side surface of the second wire core 122, the second metal conductor 123 surrounds the second wire core 122 to form a first conductive layer, and the third metal conductor 124 surrounds the second metal conductor 123 to form a second conductive layer.

In the embodiment of the utility model, the signal wire body 10 is provided with a multilayer structure, the outer layer braided wire 12 is arranged to cover the inner layer braided wire 11, the strength of the signal wire body 10 is greatly improved, the maximum breaking force of the signal wire body 10 is improved, the wire core of the inner layer braided wire 11 is arranged in a structure covered by a single-layer metal conductor, the wire core of the outer layer braided wire 12 is arranged in a structure covered by a multilayer metal conductor, and the structure is stable.

In another embodiment of the present invention, the diameter of the signal wire body 10 of the multilayer composite braided wire ranges from 4.80mm to 5.50 mm; the diameter of the signal wire body 10 can be selected from 4.80mm, 4.83mm, 4.85mm, 4.90mm, 4.95mm, 5.00mm, 5.20mm, 5.30mm, 5.40mm or 5.50mm, a plurality of layers of braided wires are arranged to increase the maximum breaking force of the signal wire body 10, the diameter of the signal wire body 10 is set between 4.80mm and 5.50mm, the size of the signal wire body 10 is reduced while the maximum breaking force is improved, and the applicability is improved.

In another embodiment of the present invention, 12 strands are provided for the first core 112 and the second core 122 of the multi-layer composite braided wire, and experiments show that when seven strands are provided for the first core 112 and the second core 122, the strength of the signal wire body 10 is better, the tensile property is good, and the processing and the braiding of the signal wire body 10 are facilitated.

In another embodiment of the present invention, the first metal conductor 113 of the multilayer composite braided wire is made of tin-copper and silver-tin-copper plated material, and the second metal conductor 123 and the third metal conductor 124 are both made of silver-tin-copper plated material; the first metal conductor 113 on the first braided wire 110 is made of silver-tin-copper plated material, the first metal conductor 113 on the second braided wire 111 is made of tin-copper plated material, and the first metal conductor 113 on the inner braided wire is formed by mixing and matching tin-copper and silver-tin-copper plated material, so that the structural strength is improved, the conductive effect is improved, and the braided wire has the advantages of high strength, high hardness and strong chemical corrosion resistance.

In another embodiment of the present invention, the outer side surface of the second conductive layer of the multi-layer composite braided wire is uniformly coated with a heat-resistant coating, and the heat-resistant coating is sprayed on the outer side surface of the second conductive layer, so that the heat resistance can be improved, and the signal wire body 10 has flame retardancy, so that it is not easy to burn.

In another embodiment of the present invention, the outer surface of the heat-resistant coating of the multi-layer composite braided wire is uniformly coated with an anti-oxidation layer, and specifically, the anti-oxidation layer can protect the signal wire body 10 from being oxidized in a long-term use process, so as to prolong the service life of the signal wire body 10.

In another embodiment of the present invention, the core of the multi-layer composite braided wire is a fiber filament, and the core 11 is preferably a fiber filament with good toughness and high tensile strength.

In another embodiment of the utility model, the raw material of the cellosilk of the multilayer composite braided wire is aramid fiber or Kevlar fiber; specifically, the types of the aramid fibers comprise 100D, 130D, 200D, 400D, 1000D, 1500D and 3000D, and the aramid fibers have extremely high strength, the weight ratio tensile strength is 6 times that of steel wires, 3 times that of glass fibers, 2 times that of high-strength nylon industrial yarns, the tensile modulus is 3 times that of steel wires, 2 times that of glass fibers and 10 times that of high-strength nylon industrial yarns; the continuous use temperature range is extremely wide, and the continuous use temperature range can be normally used for a long time within the range of-196 ℃ to 330 ℃. The shrinkage rate at 150 ℃ is 0, the fiber is not decomposed and melted at the high temperature of 560 ℃, the service life of the braided signal wire can be effectively prolonged by using the fiber, and the braided signal wire is not easy to damage.

In another embodiment of the present invention, the second cores 122 of the multi-layer composite braided wire are braided with each other to form the third braided wire 120 or the fourth braided wire 121, so that the structure is stable, and the overall strength of the multi-layer composite braided wire is improved.

In another embodiment of the present invention, the two first yarn cores 112 of the multi-layer composite braided yarn are spliced with each other to form a yarn core group, and the yarn core groups are arranged by being woven with each other; the connection mode that uses independent sinle silk of stranded to weave each other at present is replaced, and this embodiment uses the mixed weaving of multiunit sinle silk group, strengthens the intensity of signal line body 10 self, improves the biggest breaking force of signal line body 10, stable in structure.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A multilayer composite braided wire is characterized in that: the signal wire comprises a signal wire body, wherein the signal wire body comprises an inner layer braided wire and an outer layer braided wire; the inner layer braided wire comprises a first braided wire and a second braided wire, the second braided wire is sleeved on the periphery of the first braided wire, the first braided wire and the second braided wire respectively comprise a plurality of first wire cores, the first wire cores are mutually braided, and a first metal conductor is wound on the outer side surface of each first wire core; the outer braided wire comprises a third braided wire and a fourth braided wire, the third braided wire is sleeved on the periphery of the second braided wire, the fourth braided wire is sleeved on the periphery of the third braided wire, the third braided wire and the fourth braided wire comprise a plurality of second wire cores, a second metal conductor and a third metal conductor are arranged on the outer side face of each second wire core, the second metal conductor surrounds the second wire cores to form a first conducting layer, and the third metal conductor surrounds the second metal conductor to form a second conducting layer.

2. The multilayer composite braid of claim 1, wherein: the diameter range of the signal wire body is between 4.80mm and 5.50 mm.

3. The multilayer composite braid of claim 1, wherein: the first wire core and the second wire core are provided with 12 strands.

4. The multilayer composite braid of claim 1, wherein: and the outer side surface of the second conducting layer is uniformly coated with a heat-resistant coating.

5. The multilayer composite braid of claim 4, wherein: and an anti-oxidation layer is uniformly coated on the outer surface of the heat-resistant coating.

6. The multilayer composite braid of claim 1, wherein: the wire core is a fiber filament.

7. The multilayer composite braid of claim 6, wherein: the raw material of the cellosilk is aramid fiber or Kevlar fiber.

8. The multilayer composite braided wire according to any one of claims 1 to 7, characterized in that: the second cores are woven with each other to form the third braided wire or the fourth braided wire.

9. The multilayer composite braided wire according to any one of claims 1 to 7, characterized in that: the two strands of first yarn cores are mutually spliced to form yarn core groups, and the yarn core groups are mutually woven.

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