CN216412697U - Elastic wire harness structure - Google Patents

Abstract

The application relates to the technical field of conducting wires, in particular to an elastic wire harness structure. The elastic wire harness structure comprises a harness core, a woven sleeve and a netting, wherein the harness core is made of elastic materials, the woven sleeve comprises a conducting wire and a fixing wire, the conducting wire is spirally wound and wrapped outside the harness core to form a spiral structure, the fixing wire and the spiral structure are woven in an inserting mode, and the netting is sleeved on the periphery of the woven sleeve. The method for manufacturing the elastic wire harness structure comprises the following steps: the conducting wire and the fixing wire are woven together in an inserting mode to form a woven sleeve, so that the conducting wire is wrapped outside the bundle core in a spiral winding mode to form a spiral structure; and sleeving the knitting net on the periphery of the knitting sleeve to obtain the elastic wire harness structure. The elastic wire harness structure has the advantages of flexibility, stretchability, good elasticity and the like, leads have certain elastic recovery performance, has higher swinging life and stretching life, and can be more flexibly applied to occasions such as wearable equipment, robot arms and elevator medical equipment.

Description

Elastic wire harness structure

Technical Field

The application relates to the technical field of conducting wires, in particular to an elastic wire harness structure.

Background

In recent years, intelligent wearing becomes a hotspot of development of the science and technology industry, and in connection and wiring of wearable electronic equipment, the conductive connecting piece needs to meet the requirements of miniaturization, good elasticity, high conductivity and the like, which are related to the stability and reliability of electric signal transmission. The current conductive wire (or simply referred to as a conductive wire) in the market is widely applied and can be used as a power line, a data line, an audio line and the like. The wire is not elastically telescopic or can not be telescopic together with a telescopic mechanism, so that the use of the length by consumers is limited. The traditional lead can only meet the bending resistance for 5 ten thousand times under the limitation of structure and ID, the lead body is relatively stiff, and the lead is not suitable for being applied to special occasions with relatively high requirements on the swinging performance of the lead, such as high-swinging data transmission, intelligent sports clothing, robot arm conduction, wires for elevator medical equipment and the like.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides an elastic wire harness structure to solve the technical problems that the conductive wire in the prior art has a low elastic recovery rate, cannot bear large stretching, and is not suitable for being applied to special occasions such as high-swing data transmission, intelligent sports clothing, robot arm conduction, elevator medical equipment, and the like.

An embodiment of the present invention provides an elastic wire harness structure, including:

the bundling core is made of elastic materials;

the braided sleeve comprises a conducting wire and a fixing wire, the conducting wire is spirally wound and coated outside the bundle core to form a spiral structure, and the fixing wire and the spiral structure are woven together in an inserting mode;

and the netting is sleeved on the periphery of the woven sleeve.

In an elastic wire harness structure provided by an embodiment of the present invention, the fixing wire is spirally wound around the harness core, and a spiral direction of the fixing wire is opposite to a spiral direction of the conductive wire.

In an embodiment of the present invention, there is provided a plurality of elastic wire harnesses, and the plurality of fixing lines are arranged in parallel.

In an elastic wire harness structure provided by an embodiment of the present invention, the wire includes at least one of a single core common wire, a single core coaxial wire, a two-core twisted wire, a multi-core twisted wire, a two-core flat wire, and a multi-core flat wire.

In an elastic wire harness structure provided in an embodiment of the present invention, a material of the harness core includes at least one of silicone, rubber, a fiber/rubber composite material, and resin.

In an elastic thread bundle structure provided by an embodiment of the present invention, a material of the fixing thread includes at least one of a polyethylene monofilament, a nylon thread, a hemp thread, a bulked yarn, and a textile yarn.

In an elastic strand structure provided by an embodiment of the present invention, the strand core is in a stretched state within the elastic strand structure.

In an embodiment of the present invention, there is provided an elastic strand structure in which the netting includes an insulating fiber and/or a shielding material.

In an elastic strand structure provided by an embodiment of the present invention, the insulating fibers include nylon filaments; and/or the shielding material comprises at least one of enameled copper wires, enameled aluminum wires and enameled aluminum magnesium wires.

In an embodiment of the present invention, a resilient harness structure is provided, in which connectors are provided at both ends of the resilient harness structure.

The elastic wire harness structure provided by the embodiment of the utility model has the following beneficial effects: the elastic wire harness structure has the advantages of flexibility, stretchability, good elasticity and the like, leads have certain elastic recovery performance, has higher swinging life and stretching life, and can be more flexibly applied to occasions such as wearable equipment, robot arms and elevator medical equipment.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the utility model and do not limit it. In the drawings:

fig. 1 is a first perspective view of an elastic wire harness structure according to an embodiment of the present invention;

fig. 2 is a perspective structural view of an elastic wire harness structure according to an embodiment of the present invention;

FIG. 3 is a first cross-sectional view of an elastic harness structure according to an embodiment of the present invention;

FIG. 4 is a sectional view of a second elastic harness structure provided in an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a third embodiment of an elastic harness structure according to the present invention;

FIG. 6 is a cross-sectional view of a fourth embodiment of an elastic harness structure according to the present invention; and

fig. 7 is a cross-sectional view of a structure of an elastic wire harness according to an embodiment of the present invention.

In the figure:

1. a bundle core; 2. weaving a sleeve; 201. a wire; 2011. a single core common wire; 2012. a single core coaxial wire; 2013. a twin-core twisted pair wire; 2014. a dual-core flat wire; 2015. a three-core twisted pair wire; 202. fixing the wire; 3. and (6) netting.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It is noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings are intended to cover non-exclusive inclusions, such that a system, product or apparatus that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

In this application, the terms "upper", "lower", "inner", "middle", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1 to 7, an embodiment of the present invention provides an elastic strand structure including a strand core 1, a braid 2, and a braid 3, wherein: the bundle core 1 is made of elastic materials; the braided sleeve 2 comprises a conducting wire 201 and a fixing wire 202, the conducting wire 201 is spirally wound and coated outside the bundle core 1 to form a spiral structure, and the fixing wire 202 and the spiral structure are woven together in an inserting manner; the braiding net 3 is sleeved on the periphery of the braiding sleeve 2.

In the above embodiment, in the process of pulling or bending the elastic wire harness structure, the elastic core 1 can drive the braided sleeve 2 composed of the conducting wire 201 and the fixing wire 202 and the outermost braided net 3 to deform, so as to adapt to the processes of stretching and bending, and have the tendency of automatic retraction, so that the conducting wire 201 has a certain elastic recovery performance, has a longer swinging life and a longer stretching life, and can be more flexibly applied to wearable equipment, robot arms, elevator medical equipment and other occasions. The existing conductive wire applied to the textile and clothing process is mainly plated with metal powder on the surface of fiber, the conductive wire of a plating layer has poor water-washable performance, and the problem of metal powder falling off after stretching or water washing causes resistance increase and cannot realize effective signal transmission.

In the above embodiment, the number of the wires 201 is at least one, and preferably, a plurality of wires 201 are provided, and all the wires 201 are parallel to each other and spirally wound on the surface of the bundle core 1, and the coils formed by other wires 201 are arranged between adjacent spiral coils of the same wire 201, that is, the spiral pitch of the spiral coil formed by the same wire 201 is increased, the number of winding turns is small, and the impedance can be optimized to a certain extent.

In some embodiments, the wires 201 are parallel to each other and spirally wound on the surface of the bundle core 1, and each adjacent turn of the wires 201 in the spiral structure is arranged at an equal distance, preferably closely, so that the bundle structure has a larger elastic space.

The fixing wire 202 is used for fixing a spiral structure formed by the conducting wire 201, and the fixing wire 202 and the conducting wire 201 are interwoven to form the braided sleeve 2, so that the spiral structure is more stably wrapped around the bundle core 1 and is not easy to scatter. As shown in fig. 1-2, the fixing wire 202 is spirally wound around the bundle core 1, and the spiral direction of the fixing wire is opposite to the spiral direction of the conducting wire, that is, the fixing wire 202 and the conducting wire 201 are woven to intersect with each other, and each of them forms a spiral shape with an opposite direction, specifically, during the weaving process, the fixing wire 202 can continuously and continuously penetrate through both sides of the conducting wire 201 while being wound in a spiral manner, for example, as shown in fig. 1-2, along the direction of spiral extension, after two conducting wires 201 extend away from the surface of the bundle core 1, the fixing wire 202 penetrates into between two adjacent conducting wires 201 and the bundle core 1, and then penetrates back to the surface of the other two conducting wires 201 away from the bundle core 1, and this cycle forms the woven sheath 2. Of course, the fixing lines 202 are preferably provided in multiple numbers, and the multiple fixing lines 202 may be arranged in parallel or arranged in a cross manner, so as to improve the fixing degree of the conducting wires 201. It should be noted that, after the fixing wire 202 is braided with the conducting wire 201, the helical structure formed by the conducting wire 201 should be allowed to generate deformation with an increased pitch when being stretched and bent, so as to realize the function of the elastic harness structure of the embodiment of the utility model.

In the elastic wire harness structure of the above embodiment, the specific type and specification of the wires 201 can be specifically selected according to the requirement, and the diameter range of each wire 201 is preferably 0.4mm-2.0mm, wherein the type of the wire 201 includes but is not limited to at least one of a single core common wire 2011, a single core coaxial wire 2012, a multi-core twisted-pair wire and a multi-core flat wire. The multi-core twisted-pair lead comprises a double-core twisted-pair lead 2013, a three-core twisted-pair lead 2015 and the like; the multicore flat wire includes the twin flat wire 2014, the three-core flat wire, and the like. The conductor structure in the wire 201 can adopt different twisting modes, conductor numbers, conductor materials, conductor sizes and insulating paint colors, the twisting modes can be forward and reverse, single strand and multistrand can also be adopted, the conductor numbers are preferably 7-200, the conductor materials are preferably tin-plated copper, bare copper, alloy copper and the like, and the conductor diameter is preferably 0.05mm-0.5 mm; the wire 201 can be selectively added with fillers according to requirements, wherein the fillers can be one or more of copper foil wires, nylon wires, Kevlar and other tensile materials, and the diameter range of the fillers is preferably 40-1000 um. The wire insulation material in the wire 201 may be non-foamed insulation material, including but not limited to PP, PE, PVC, TPE, TPU, TFLON, and TPE; the wire insulation material in the wire 201 may also be a foamed insulation material, including but not limited to materials such as foamed PE, foamed PP, and foamed TFLON; the insulating material of the wire 2 in the wire 201 may also be a composite insulating material, but is not limited to a composite material of foamed PE and PE, a composite material of foamed PE and PP, a composite material of foamed PE and TFLON, a composite material of foamed PP and PE, a composite material of foamed PP and PP, a composite material of foamed PP and TFLON, a composite material of foamed TFLON and PE, a composite material of foamed TFLON and PP, a composite material of foamed TFLON and TELON, and the like.

In the elastic wire harness structure of the above embodiment, the core 1 may be one elastic wire or a combination of a plurality of elastic wires, and the material of the core 1 includes but is not limited to at least one of silicone rubber, natural rubber, eucommia ulmoides-natural rubber, egg white rubber, fiber/rubber composite material, synthetic rubber, resin, animal-like protein, styrene-based thermoplastic elastomer, styrene-isoprene-styrene block copolymer, ethylene-butylene copolymer, ethylene-propylene-diene monomer rubber, polyolefin elastomer, thermoplastic elastomer TPE, thermoplastic ethylene-propylene-diene dynamic vulcanized rubber, polyolefin thermoplastic elastomer, main thermoplastic polyurethane elastomer rubber, thermoplastic polyester elastomer, polypropylene, and elastic material.

In the elastic thread bundle structure of the above embodiment, the material of the fixing thread 202 for fixing the conductive thread 201 includes, but is not limited to, at least one of polyester yarn, cotton yarn, embroidery yarn, wool yarn, roving yarn, worsted cotton, linen yarn, rayon yarn, silk yarn, polyethylene monofilament, sewing yarn, nylon yarn, hemp yarn, bulked yarn, and textile yarn, and the diameter of the fixing thread 202 is preferably in the range of 40um to 1000 um.

In the elastic strand structure of the above embodiment, the netting 3 includes at least one of an insulating fiber and a shielding material. The insulating fiber can be made of one or more of polyester yarn, cotton yarn, embroidery yarn, wool yarn, roving wool yarn, worsted cotton, linen yarn, artificial yarn, silk yarn, polyethylene monofilament, sewing yarn, nylon yarn, hemp yarn, bulked yarn and textile yarn; the shielding material can be one or more of enameled copper wires, enameled aluminum wires and enameled aluminum magnesium wires. Wherein the diameter of both the insulating fibers and the shielding material preferably ranges from 40um to 1000 um. The shielding layer also has anti-interference performance, so that the anti-interference performance is realized.

In the elastic wire harness structure of the above embodiment, the connectors are provided at both ends of the elastic wire harness structure. The connectors processed at the two ends of the wire 201 include but are not limited to one or more of USB a, Micro USB, Mini USB, USB type-c, and Lightning connectors, and can realize a specific and stable data transmission function. The Micro USB is a portable version of the USB2.0 standard, and is established by USB Implementers Forum (USB-IF) in 2007 in 1 month and 4 days. At present, the mainstream electronic products and the like all adopt micro USB interfaces as interfaces for charging and data transmission; the USB Type-C is published by a USB 3.0 promotion team in 12 months in 2013, and then large-scale mass production is prepared in 8 months in 2014, the bright points of a new interface are thinner design, higher transmission speed (10 Gbps at the highest) and stronger power transmission (100W at the highest), and the interface supports the pluggable function from the front side and the back side, is a main interface of future portable electronic equipment, and a large number of products related to android equipment adopt USB Type-C interfaces at present; the Lightning interface is also called a Lightning interface, is a specification of a proprietary connector manufactured by apple, and is originally appeared in the issuing meeting of iPhone 5 in 2012, namely from iPhone 5, and the Lightning data interface is provided for all iPhones and iPads in the past generation.

The embodiment of the utility model also provides a manufacturing method of the elastic wire harness structure correspondingly, which is used for manufacturing the elastic wire harness structure of the embodiment of the utility model, and the manufacturing method comprises the following steps:

step 1, forming a bundle core.

In the step, the bundle core can be an elastic wire or a combination of a plurality of elastic wires, when the bundle core is provided with a plurality of elastic wires, the plurality of elastic wires can be arranged in parallel, the plurality of elastic wires can be spirally and tightly wound through a stranding process, the later is preferably adopted, the elastic modulus of each elastic wire can be fully utilized, the stranded bundle core can be used as an elastic part and a bearing part, the tensile strength of the stranded bundle core is high, the tensile property of the structure is improved, meanwhile, gaps do not exist among the elastic wires, the integral structural strength is improved, and the bundle core can be protected from being damaged by radial force in a tensioned working scene in an all-round mode. Of course, the strand elastic wires can also be woven to form a strand core.

Step 2: the conducting wire 201 and the fixing wire 202 are woven together to form the woven sleeve 2 in an inserting manner, so that the conducting wire 201 is wrapped in a spiral winding manner outside the bundle core 1 to form a spiral structure.

In this step, the conducting wire 201 is spirally wound and wrapped outside the bundle core 1 to form a spiral structure, the conducting wire 201 and the fixing wire 202 are woven together to form the woven jacket 2, and the spiral structure formed by the conducting wire 201 is fixed by the fixing wire 202, so that the spiral structure is wrapped around the bundle core 1 more stably and is not easy to scatter. In the winding process, the fixing wire 202 is spirally wound around the bundle core 1, and the spiral direction of the fixing wire is opposite to the spiral direction of the conducting wire, that is, the fixing wire 202 and the conducting wire 201 are woven to be crossed with each other, and each of the fixing wire 202 and the conducting wire 201 forms a spiral shape with opposite directions, specifically, in the weaving process, the fixing wire 202 can continuously and continuously penetrate through two sides of the conducting wire 201 while being wound in a spiral manner, for example, as shown in fig. 1-2, along the direction of spiral extension, after two conducting wires 201 extend away from the surface of the bundle core 1, the fixing wire 202 penetrates into between two adjacent conducting wires 201 and the bundle core 1, and then penetrates back to the surface of the other two conducting wires 201 away from the bundle core 1, and the process is repeated to form the woven cover 2.

In order to make the braided sleeve 2 obtained by the embodiment of the utility model have good appearance and tensile property, the conducting wires and the fixing wires can be braided on the bundle core by using corresponding braiding equipment to form the braided sleeve. Before winding and weaving, technicians need to adjust parameters such as weaving speed, weaving spindle tightness, weaving density, wire tension and the like according to the characteristics of conducting wires and fixing wire materials in the weaving sleeve, and then perform winding and weaving after adjusting to proper values, so as to wrap the core bundling to form the weaving sleeve.

And step 3: and sleeving the netting 3 on the periphery of the woven sleeve 2 to obtain the elastic wire harness structure.

The manufacturing method of the step can be one or more of equipment extrusion, equipment weaving, manual or mechanical sleeving and coating. Taking the production of an enameled copper wire mesh as an example: and (3) placing the braided sleeve finished in the step (2) as a core wire at a core wire feeding port of a braiding device, placing the enameled copper wire in a braiding area of the braiding device, adjusting parameters such as proper braiding density and tightness, starting the device, braiding a knitted net-shaped braided net, and wrapping the knitted net outside the braided sleeve.

The related expressions of the manufacturing method of this embodiment may refer to related expressions of specific product embodiments, and are not described herein again.

Example 1

As shown in fig. 2 and 3, an elastic strand structure comprising a strand core 1, a knitted jacket 2, and a netting 3, wherein: the bundle core 1 is made of elastic materials; the braided sleeve 2 comprises a conducting wire 201 and a fixing wire 202, the conducting wire 201 is spirally wound and coated outside the bundle core 1 to form a spiral structure, and the fixing wire 202 and the spiral structure are woven together in an inserting manner; the braiding net 3 is sleeved on the periphery of the braiding sleeve 2. The core 1 is composed of a plurality of elastic wires, and the lead 201 is a common 6-core lead 2011 arranged around the core 1. The specific types and specifications of the components are as follows: the bundling core 1 is made of a combination of a plurality of elastic wires, the bundling core 1 is made of natural rubber, the diameter range of each conducting wire 201 is 1.0mm, and the type of each conducting wire 201 is a single-core common conducting wire 2011. The wire insulating material in the wire 201 is a foamed PP material; the fixing line 202 for fixing the conducting wire 201 is made of nylon wire, and the diameter of the fixing line 202 is 200 um. The netting 3 is made of nylon wires and enameled copper wires. The swing test performance of the elastic wire harness structure obtained by the embodiment can reach 10 ten thousand times, namely the elastic wire harness structure can bear 10 ten thousand times of swing without breaking, the expansion rate can reach 1.1 times, the stretching times can reach more than 5000 times under the condition of single-end stress, the TDR value and the attenuation value can meet the related test requirements of USB2.0, and the winding performance and the rotation performance are also good.

Example 2

As shown in fig. 2 and 4, an elastic strand structure comprising a strand core 1, a knitted jacket 2, and a netting 3, wherein: the bundle core 1 is made of elastic materials; the braided sleeve 2 comprises a conducting wire 201 and a fixing wire 202, the conducting wire 201 is spirally wound and coated outside the bundle core 1 to form a spiral structure, and the fixing wire 202 and the spiral structure are woven together in an inserting manner; the braiding net 3 is sleeved on the periphery of the braiding sleeve 2. The bundle core 1 is composed of a plurality of elastic wires, and the lead 201 is 5 single-core common leads 2011 and 2 single-core coaxial leads 2012 arranged around the bundle core 1. The bundle core 1 is a combination of a plurality of elastic wires, and the material of the bundle core 1 comprises natural rubber and polypropylene. The conductor in the single-core common lead 2011 is made of tin-plated copper, and the lead insulation material in the single-core common lead 2011 is a composite material of foamed PE and TFLON. The conductor material of the single-core coaxial conductor 2012 is alloy copper and the like, and the core wire insulating material of the single-core coaxial conductor 2012 is a foaming TFLON material; the shielding material in the single-core coaxial conductor 2012 is enameled aluminum-magnesium wire; the outer layer insulating material of the single-core coaxial conductor 2012 is a PET mylar tape. The fixing wire 202 for fixing the conducting wire 201 is made of polyethylene monofilament with a diameter of 300 um. The material of the netting 3 comprises worsted cotton and enameled copper wires.

The test on the elastic wire harness structure of the embodiment 2 shows that the swing test performance can reach 10 ten thousand times, the expansion rate can reach at least 1.1 times, the stretching frequency can reach more than 4000 times under the condition of single-end stress, the TDR value and the attenuation value can meet the related test requirements of USB2.0 and more, and the winding performance and the rotation performance are also better.

Example 3

As shown in fig. 2 and 5, an elastic strand structure comprising a strand core 1, a knitted jacket 2, and a netting 3, wherein: the bundle core 1 is made of elastic materials; the braided sleeve 2 comprises a conducting wire 201 and a fixing wire 202, the conducting wire 201 is spirally wound and coated outside the bundle core 1 to form a spiral structure, and the fixing wire 202 and the spiral structure are woven together in an inserting manner; the braiding net 3 is sleeved on the periphery of the braiding sleeve 2. The bundle core 1 is composed of a plurality of elastic wires, and the lead 201 is at least 5 single-core common leads 2011 and 1 pair of double-core twisted-pair leads 2013 arranged around the bundle core 1. The bundle core 1 is a combination of a plurality of elastic wires, and the material of the bundle core 1 comprises a fiber/rubber composite material, ethylene-butylene copolymer and polypropylene ethylene. The conductor in the single-core common lead 2011 is made of alloy copper, and the diameter of the conductor is 0.4 mm; the conductor insulation material in the single-core common conductor 2011 is a composite material of foamed TFLON and TELON. The twin twisted wire 2013 is composed of a two-core common single-core common wire. The fixing wire 202 for fixing the guide wire 201 is made of nylon wire and has a diameter of 320 um. The material of the net 3 comprises polyester yarn and enameled copper wire. Through testing, the elastic wire harness structure of the embodiment 1 has the advantages that the swinging test performance can reach 15 ten thousand times, the expansion rate can reach 1.1 times, the stretching times can reach more than 5000 times under the condition of single-end stress, the TDR value and the attenuation value can meet the related test requirements of USB2.0 and above, and the winding performance and the rotation performance are also good.

Example 4

As shown in fig. 2 and 6, an elastic strand structure comprising a strand core 1, a knitted jacket 2, and a netting 3, wherein: the bundle core 1 is made of elastic materials; the braided sleeve 2 comprises a conducting wire 201 and a fixing wire 202, the conducting wire 201 is spirally wound and coated outside the bundle core 1 to form a spiral structure, and the fixing wire 202 and the spiral structure are woven together in an inserting manner; the braiding net 3 is sleeved on the periphery of the braiding sleeve 2. Wherein, the bundle core 1 is composed of a plurality of elastic wires, and the conducting wire 201 is 3 pairs of dual-core flat conducting wires 2014 arranged around the bundle core 1. The bundle core 1 is a combination of a plurality of elastic wires, and the material of the bundle core 1 is synthetic rubber. The conductor material in the dual-core flat wire 2014 is bare copper, and the diameter of the conductor is 0.2 mm. The wire insulation in the dual core flat wire 2014 is foamed TFLON. The fixing thread 202 for fixing the conducting wire 201 is made of linen thread, and the diameter of the fixing thread 202 is 180 um. The material of the netting 3 comprises polyethylene monofilament and enameled copper wire. The test shows that the elastic wire harness structure of the embodiment 4 has the advantages that the swing test performance can reach 20 ten thousand times, the expansion rate can reach 1.1 times, the stretching times can reach more than 6000 times under the condition of single-end stress, the TDR value and the attenuation value can meet the related test requirements of USB2.0 and above, and the winding performance and the rotation performance are also good.

Example 5

As shown in fig. 2 and 7, an elastic strand structure comprising a strand core 1, a knitted jacket 2, and a netting 3, wherein: the bundle core 1 is made of elastic materials; the braided sleeve 2 comprises a conducting wire 201 and a fixing wire 202, the conducting wire 201 is spirally wound and coated outside the bundle core 1 to form a spiral structure, and the fixing wire 202 and the spiral structure are woven together in an inserting manner; the braiding net 3 is sleeved on the periphery of the braiding sleeve 2. Wherein, the bundle core 1 is composed of a plurality of elastic wires, and the lead 201 is at least 5 single-core common leads 2011 and 1 pair of three-core twisted-pair leads 2015 arranged around the bundle core 1. The bundle core 1 is a combination of a plurality of elastic wires, and the material of the bundle core 1 is a styrene thermoplastic elastomer and a polyolefin elastomer. The conductor structure in the single-core common lead 2011 is bare copper, and the diameter of the conductor is 0.35 mm; the insulating material of the lead 201 in the single-core common lead 2011 is TPU. Three-core pair twist wire 2015 comprises 2 single core coaxial conductor and 1 single core ordinary wire, wherein single core coaxial conductor's conductor material is tin-plated copper, and conductor diameter is 0.15mm, and the insulating material of single core ordinary wire is foaming PE, and the conductor structure of the single core ordinary wire in three-core pair twist wire 2015 is bare copper, and conductor diameter is 0.15mm, and wire insulating material is foaming PE. Among the elasticity pencil structure, the material that is used for fixed line 202 of fixed wire 201 is the rayon, the diameter of fixed line 202 is 300 um. The netting 3 is made of nylon wires and enameled copper wires. Experiments prove that the swing test performance of the elastic wire harness structure in the embodiment 5 can reach 15 ten thousand times, the expansion rate can reach 1.1 times, the stretching times can reach more than 5000 times under the condition of single-end stress, the TDR value and the attenuation value can meet the related test requirements of USB2.0 and above, and the winding performance and the rotation performance are also better.

It should be noted that other configurations and operations of the elastic wire harness structure provided by the embodiment of the present invention are known to those skilled in the art, and reference may be made to the structure of the related device in the prior art, and the detailed description is not provided herein.

Some embodiments in this specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An elastic wire harness structure characterized by comprising:

the bundling core is made of elastic materials;

the braided sleeve comprises a conducting wire and a fixing wire, the conducting wire is spirally wound and coated outside the bundle core to form a spiral structure, and the fixing wire and the spiral structure are woven together in an inserting mode;

and the netting is sleeved on the periphery of the woven sleeve.

2. The elastic strand structure according to claim 1, wherein the fixing wire is spirally wound around the strand core, and a spiral direction of the fixing wire is opposite to a spiral direction of the conductive wire.

3. The elastic wire harness structure according to claim 2, wherein the fixing wire is provided in a plurality of pieces, and the plurality of fixing wires are arranged in parallel with each other.

4. The elastic wire harness structure according to claim 1, wherein the wire is one of a single core common wire, a single core coaxial wire, a multi-core twisted pair wire, and a multi-core flat wire.

5. The elastic strand structure of claim 1, wherein the strand core is made of one of silicone, rubber, a fiber/rubber composite, and resin.

6. The elastic thread bundle structure of claim 1, wherein the fixing thread is made of one of polyethylene monofilament, nylon thread, hemp thread, bulked yarn and textile yarn.

7. The elastic strand structure of claim 1, wherein the strand core is in a stretched state within the elastic strand structure.

8. The elastic strand structure of claim 1, wherein the netting is an insulating fiber or a shielding material.

9. The elastic wire harness structure according to claim 8,

the insulating fiber is nylon yarn;

the shielding material is one of enameled copper wires, enameled aluminum wires and enameled aluminum magnesium wires.

10. The elastic harness structure according to claim 1, wherein connectors are provided at both ends of the elastic harness structure.

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