CN217822112U

CN217822112U - Telescopic composite signal transmission spiral line

Info

Publication number: CN217822112U
Application number: CN202222085755.9U
Authority: CN
Inventors: 吴泊鸿
Original assignee: Shenzhen Ruicheng Hechuang Technology Co ltd
Current assignee: Shenzhen Ruicheng Hechuang Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-15
Anticipated expiration: 2032-08-09

Abstract

The utility model relates to a helix technical field specifically is a compound signal transmission helix of telescopic, including the helix body, the helix body comprises insulation core, shielding sinle silk, packing whole layer and inoxidizing coating jointly, and insulation core and shielding sinle silk all are equipped with a plurality ofly and are cyclic annular distribution, and insulation core and shielding sinle silk connect fixedly through packing whole layer cover jointly, and the outside parcel on the whole layer of packing circle has the inoxidizing coating, and the inoxidizing coating includes fire-retardant layer, functional layer and elastic layer, and the inboard and the outside of functional layer all are equipped with fire-retardant acrylic acid adhesive. The utility model discloses a set up first resilience layer and second resilience layer, utilize tensile strength, high tenacity and the high resilience reinforcing inoxidizing coating that material self possessed and tensile force and resilience, then through the tear resistance and the hardness of first anti-tear layer and the anti-tear layer reinforcing inoxidizing coating of second, avoid the helix body to take place rupture and fracture when flexible and bend to prolong the life of helix body.

Description

Telescopic composite signal transmission spiral line

Technical Field

The utility model relates to a helix technical field specifically is a compound signal transmission helix of telescopic.

Background

The composite signal line is a line used for transmitting sensing information and control information in an electrical control circuit, the composite signal line is often formed by a plurality of cables as one or more transmission lines or printed lines arranged in a printed circuit board, along with the continuous progress of science and technology and application, the signal line is developed into other carriers such as optical cables and the like from a metal carrier, in order to realize the extension and retraction of the composite signal transmission line, the composite signal line is usually made into a spiral shape, and along with the continuous development of society, the requirements of people on the composite signal transmission line are more and more strict.

The multi-strand spiral signal wire with the publication number of CN210956273U comprises fiber yarns and conductors, wherein the conductors comprise at least eight conducting wires, the conducting wires are mutually parallel and spirally wound on the surfaces of the fiber yarns, and the surface of each conducting wire is coated with a polyurethane resin layer.

Although this technical scheme has solved the technical problem that conductor impedance is less, insulating effectual between the wire, in specific use, because the compound signal transmission line of screw type need drag, buckle when using, lead to the helix body to take place to bend or even break easily at flexible in-process to the life of helix body has been reduced, in view of this, we provide a compound signal transmission helix of telescopic.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides a compound signal transmission helix of telescopic.

The technical scheme of the utility model is that:

the utility model provides a compound signal transmission helix of telescopic, includes the helix body, the helix body comprises insulating sinle silk, shielding sinle silk, the whole layer of packing and inoxidizing coating jointly, insulating sinle silk with the shielding sinle silk all is equipped with a plurality ofly and is cyclic annular distribution, insulating sinle silk with it is fixed jointly through the whole layer of packing cup joint of shielding sinle silk, the outside parcel on the whole layer of packing circle has the inoxidizing coating, the inoxidizing coating includes fire-retardant layer, functional layer and elastic layer, the inboard and the outside of functional layer all are equipped with fire-retardant acrylic acid adhesive.

As a preferable technical scheme, the number of the insulated wire cores and the number of the shielded wire cores are the same and are distributed in a staggered manner.

According to the preferable technical scheme, the filling round layer is made of a cross-linked polyethylene material, and acrylate pressure-sensitive adhesive is filled between the filling round layer and the protective layer.

As a preferred technical scheme, the flame-retardant layer comprises a heat-insulating layer and a flame-retardant layer, wherein the heat-insulating layer is made of glass fiber materials.

According to a preferable technical scheme, the functional layer comprises a first anti-tear layer and a second anti-tear layer, the first anti-tear layer is made of polyurethane elastic fiber materials, and the second anti-tear layer is flat reinforcing ribs woven by polyamide fibers.

As a preferred technical scheme, the elastic layer comprises a first rebound layer, a second rebound layer and a wear-resistant layer, and the first rebound layer and the second rebound layer are made of EVA materials and TPV materials respectively.

As a preferable technical scheme, the outer part of the wear-resistant layer is sprayed with acrylic polyurethane anticorrosive paint, and the thickness of the wear-resistant layer is 0.13mm-0.19mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a first resilience layer and second resilience layer that EVA material and TPV material were made, through thermal-insulated, winter protection, tensile strength, high toughness and the high resilience that material self possessed to strengthen the tensile force and the resilience of inoxidizing coating, then through the tear resistance and the hardness of first anti-tear layer and second anti-tear layer reinforcing inoxidizing coating, avoid the helix body to take place to break and fracture when flexible and bend, so that the life of extension helix body;

2. the utility model discloses a set up insulating layer and flame retardant coating, be convenient for reduce outside ambient temperature and have the fire resistance when causing harmful effects to insulation core and shielding sinle silk.

Drawings

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

FIG. 2 is a schematic view of the whole structure of the utility model after the cutting of the middle part of the structure;

FIG. 3 is a cross-sectional view of a protective layer structure according to the present invention;

fig. 4 is a second cross-sectional view of the protective layer structure of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a helix body; 11. an insulated wire core; 12. shielding the wire core; 13. filling the round layer; 14. a protective layer; 141. A flame retardant layer; 1411. a thermal insulation layer; 1412. a refractory layer; 142. a functional layer; 1421. a first tear resistant layer; 1422. A second tear resistant layer; 143. an elastic layer; 1431. a first resilient layer; 1432. a second resilient layer; 1433. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify 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 therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a compound signal transmission helix of telescopic, including helix body 1, helix body 1 is the helix type, make the cable of spiral winding rolling department can contract, helix body 1 is by insulating sinle silk 11, shielding sinle silk 12, fill whole layer 13 and inoxidizing coating 14 and constitute jointly, insulating sinle silk 11 and shielding sinle silk 12 all are equipped with a plurality ofly and are cyclic annular distribution, insulating sinle silk 11 and shielding sinle silk 12 cup joint fixedly through filling whole layer 13 jointly, the outside parcel that fills whole layer 13 has inoxidizing coating 14, inoxidizing coating 14 includes fire-retardant layer 141, functional layer 142 and elastic layer 143, and fire-retardant layer 141, functional layer 142 and elastic layer 143 are from inside to outside to arranging in proper order, the inboard and the outside of functional layer 142 all are equipped with fire-retardant acrylic acid adhesive, a fire-retardant layer 141 is used for reinforcing, wholeness between functional layer 142 and the elastic layer 143.

As the preferred of this embodiment, insulating sinle silk 11 and shielding sinle silk 12 the same and crisscross distribution of quantity, constitute the cable core of anti-interference cable jointly through insulating sinle silk 11 and shielding sinle silk 12, then finalize the design under strict temperature and time control condition and make the spring type with helix body 1, and the fixed length head end is stayed at both ends to form anti-interference compound signal transmission helix, thereby make helix body 1 kick-back rapidly and constantly core in drawing.

Preferably, the filling rounding layer 13 is made of a cross-linked polyethylene material, the filling rounding layer 13 has good insulation performance due to the insulation performance of the cross-linked polyethylene material, and acrylate pressure-sensitive adhesive is filled between the filling rounding layer 13 and the protective layer 14 to enhance the integrity between the filling rounding layer 13 and the protective layer 14.

As the optimization of this embodiment, the flame retardant layer 141 includes the heat insulating layer 1411 and the fire retardant layer 1412, the heat insulating layer 1411 is made of a glass fiber material, because the glass fiber has the characteristics of high strength, good toughness and the like, the tensile strength of the flame retardant layer 141 can be improved, and in addition, the glass fiber also has good electrical insulation property, and is also a heat insulating and fire-proof shielding material, and has water resistance and corrosion resistance, so that the flame retardant layer 141 can realize heat insulation and fire prevention while having insulation, tear resistance and corrosion resistance, thereby improving the performance of the spiral line body 1.

It is worth to be noted that the fire-resistant layer 1412 is made of chlorinated rubber material, the chlorinated rubber is one of chlorinated polymers obtained by chlorination modification of natural rubber or synthetic rubber, and the chlorinated rubber is a precious raw material for manufacturing fire-resistant and anti-corrosion paint because of high chlorine content and no combustion of the chlorinated rubber.

As a preference of this embodiment, the functional layer 142 includes a first tear-resistant layer 1421 and a second tear-resistant layer 1422, the first tear-resistant layer 1421 is made of a polyurethane elastic fiber material, and the second tear-resistant layer 1422 is a flat reinforcing rib woven by polyamide fibers, so that the tear resistance of the functional layer 142 is enhanced, and the hardness of the functional layer is enhanced, thereby preventing the spiral line body 1 from being broken in the stretching process.

Preferably, the elastic layer 143 includes a first resilient layer 1431, a second resilient layer 1432, and an abrasion-resistant layer 1433, where the first resilient layer 1431 and the second resilient layer 1432 are made of an EVA material and a TPV material, respectively, the EVA material has high resilience and tensile strength, high toughness, good shock resistance and buffering performance, excellent heat insulation, heat preservation, cold protection, and low temperature performance, and can resist severe cold and exposure to sunlight, and the TPV material has excellent aging resistance, good weather resistance, heat resistance, permanent deformation resistance, tensile strength, high toughness, high resilience, and strong electrical insulation performance.

Preferably, in this embodiment, the exterior of the wear-resistant layer 1433 is sprayed with an acrylic polyurethane anticorrosive paint, so that the surface of the spiral line body 1 is not oxidized when the spiral line body 1 works under a long-term normal temperature state, and the thickness of the wear-resistant layer 1433 is 0.13mm to 0.19mm, so that the exterior of the second rebound layer 1432 is protected by the wear-resistant layer 1433, and abrasion caused by direct contact between the second rebound layer 1432 and the exterior is avoided.

The utility model discloses a compound signal transmission helix of telescopic is when using, first resilience layer 1431 and second resilience layer 1432 that adopts EVA material and TPV material to make, because thermal-insulated that its material self possessed, the winter protection, tensile strength, high toughness, and high resilience, so that strengthen inoxidizing coating 14's tensile force and resilience, furthermore, through tear resistance and hardness that first anti-tear layer 1421 and second anti-tear layer 1422 strengthen inoxidizing coating 14, avoid helix body 1 to take place rupture and fracture when flexible and bend, through setting up insulating layer 1411 and flame retardant coating 1412, be convenient for reduce external environment temperature and have the fire resistance when leading to the fact harmful effects to insulating sinle silk 11 and shielding sinle silk 12, avoid inoxidizing coating 14 to become the combustion-supporting object in the combustion process and increase the intensity of a fire.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A telescopic composite signal transmission helix, comprising a helix body (1), characterized in that: helix body (1) comprises insulating sinle silk (11), shielding sinle silk (12), the whole layer of packing (13) and inoxidizing coating (14) jointly, insulating sinle silk (11) with shielding sinle silk (12) all are equipped with a plurality ofly and are cyclic annular distribution, insulating sinle silk (11) with shielding sinle silk (12) cup joint fixedly through the whole layer of packing (13) jointly, the outside parcel of the whole layer of packing (13) has inoxidizing coating (14), inoxidizing coating (14) are including fire-retardant layer (141), functional layer (142) and elastic layer (143), the inboard and the outside of functional layer (142) all are equipped with fire-retardant acrylic acid adhesive.

2. A retractable composite signal transmission helix as claimed in claim 1, wherein: the number of the insulating wire cores (11) and the number of the shielding wire cores (12) are the same and are distributed in a staggered mode.

3. A retractable composite signal transmission helix as claimed in claim 1, wherein: the filling round layer (13) is made of a cross-linked polyethylene material, and acrylate pressure-sensitive adhesive is filled between the filling round layer (13) and the protective layer (14).

4. A retractable composite signal transmission helix as claimed in claim 1, wherein: the flame-retardant layer (141) comprises a heat insulation layer (1411) and a flame-retardant layer (1412), wherein the heat insulation layer (1411) is made of a glass fiber material.

5. A retractable composite signal transmission helix as claimed in claim 1, wherein: the functional layer (142) comprises a first anti-tear layer (1421) and a second anti-tear layer (1422), the first anti-tear layer (1421) is made of polyurethane elastic fiber materials, and the second anti-tear layer (1422) is flat reinforcing ribs woven by polyamide fibers.

6. A retractable composite signal transmission helix as claimed in claim 1, wherein: the elastic layer (143) comprises a first rebound layer (1431), a second rebound layer (1432) and a wear-resistant layer (1433), and the first rebound layer (1431) and the second rebound layer (1432) are made of an EVA material and a TPV material respectively.

7. A retractable composite signal transmission helix as claimed in claim 6, wherein: the outer part of the wear-resistant layer (1433) is sprayed with acrylic polyurethane anticorrosive paint, and the thickness of the wear-resistant layer (1433) is 0.13mm-0.19mm.