CN211670034U

CN211670034U - Skin-foam skin six-type shielding data cable

Info

Publication number: CN211670034U
Application number: CN202020684631.0U
Authority: CN
Inventors: 郑鲜莉; 张姚伟; 姚佩根; 顾富祥
Original assignee: Zhejiang Haiyan Electric Cable Co ltd
Current assignee: Zhejiang Haiyan Electric Cable Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-10-13
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a six types of shielding data cables of leather bubble skin belongs to shielded cable technical field, including cable monomer and cable cover, the cable monomer is installed inside the cable cover, the inside wall of cable cover has been seted up draw-in groove A and is four, the inside fixedly connected with copper conductor of cable monomer, the outside wall cladding of copper conductor has insulating layer A, insulating layer A lateral wall cladding has the foaming layer, and it is longer when the cable erection length, aims at the draw-in groove B that cross skeleton surface was seted up respectively with the both sides of skeleton baffle between the draw-in groove A that the inner wall of cable cover was seted up to insert the skeleton baffle, insert the back skeleton baffle and be the slant fixed in the inside of cable cover, play the auxiliary stay effect, improved the holding power to the cable cover greatly, conveniently carry out long distance cable erection.

Description

Skin-foam skin six-type shielding data cable

Technical Field

The utility model relates to a shielded cable technical field especially relates to a six types of shielded data cables of leather bubble skin.

Background

The shielding cable is a transmission line which wraps a signal wire by using a metal mesh braid, the braid is generally red copper or tinned copper, the wire and cable industry is the second industry which is second to the automobile industry in China, the product variety satisfaction rate and the domestic market share both exceed 90%, the total output value of the Chinese wires and cables exceeds the United states in the world, the shielding cable becomes the first wire and cable producing country in the world, along with the high-speed development of the Chinese wire and cable industry, the number of newly-added enterprises is continuously increased, and the overall technical level of the industry is greatly improved.

The patent No. CN 209980851U discloses a skin-foam skin six-class shielding data cable, wherein the cable insulation adopts skin-foam-skin insulation, the outer diameter of the insulation is reduced, the using amount of the insulation is reduced, the manufacturing cost is reduced, and the framework adopts a foaming framework, so that the using amount of framework materials is reduced, and the cost is reduced.

The skin-foam skin type six-shielding data cable has the following defects that 1, the cable can only support a keel by virtue of a cross-shaped framework fixed inside, but in actual use, when the cable is long, a single cross-shaped framework cannot support the cable well, and the bridging of the cable is influenced; 2. the cable is provided with a single protective layer outside, so that the cable is easy to wear and crack, particularly when the cable is used under the severe environment, the cable is easy to damage and influences the service life of the cable, and the shielding effect of the protective layer is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a six types of shielding data cables of leather bubble skin aims at can adjusting the specification of pole inside skeleton according to the cable laying demand is nimble, improves the outer protection and the shielding effect to the cable of cable simultaneously.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of six types of shielding data cables of leather bubble skin, including cable monomer and cable cover, the cable monomer is installed inside the cable cover, the inside wall of cable cover has been seted up draw-in groove A and is four, the inside fixedly connected with copper conductor of cable monomer, the outer lateral wall cladding of copper conductor has insulating layer A, insulating layer A lateral wall cladding has the foaming layer, foaming layer lateral wall cladding has insulating layer B, the inside cross skeleton of fixedly connected with of cable cover, the corresponding draw-in groove B with draw-in groove A position is seted up on cross skeleton surface, it has the skeleton baffle to peg graft before draw-in groove A and the draw-in groove B, cable cover lateral wall cladding has the shielding layer, the outer lateral wall cladding of shielding layer has.

Optionally, the cable sleeve is made of polyvinyl chloride.

Optionally, the insulating layer a and the insulating layer B are made of polyethylene, and the foaming layer is made of polyurethane.

Optionally, the shielding layer is made of a copper wire mesh grid, and the reinforcing layer is made of thermoplastic polyurethane.

The utility model has the advantages as follows:

1. under the general condition of length is erect to the cable, can play fine supporting role to the cable cover through the inside cross skeleton of fixing of cable cover, when the cable sets up length long, aim at respectively between draw-in groove B that cross skeleton surface was seted up and the draw-in groove A that the cable cover inner wall was seted up with the both sides of skeleton baffle, and insert the skeleton baffle, it is the slant fixed to insert the inside of accomplishing back skeleton baffle at the cable cover, cable cover and cross skeleton are connected respectively at its both ends, the cable monomer is arranged in between the inside cross skeleton of cable cover and the skeleton baffle, compare in the structure of traditional cable cover inside only cross skeleton, play the auxiliary stay effect through the skeleton baffle, the holding power to the cable cover has been improved greatly, conveniently carry out long distance cable and erect.

2. The outer wall of the cable sleeve is coated with a shielding layer and a reinforcing layer, the shielding layer is made of a copper wire mesh grid, the shielding net is made of soft fine copper wires and has the weaving density of 50-90%, the shielding structure is stable, the finished product has good bending property, the material and the cost are saved, the purpose of shielding electromagnetism is achieved by cutting magnetic induction wires, the shielding effect is achieved between the internal environment and the external environment of the cable sleeve, the reinforcing layer is made of thermoplastic polyurethane, the cable sleeve is made of a soft and tough sheath material, the flexible cable sleeve has the advantages of good toughness, strength, cacheability, chemical corrosion resistance and shock resistance, the flexibility can be kept in a wide temperature range, the cable sleeve also has good radiation resistance and is suitable for sealing, and the like, and the cable sleeve is used as the outermost layer of the cable, plays a good protection effect on the inside of the cable, avoids the surface layer from being broken to influence on the normal use of the cable, the service life is long.

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 description of the embodiments 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 without creative efforts.

Fig. 1 is a schematic view of an overall structure of a six-type shielded data cable with a sheath and a foam according to an embodiment of the present invention;

fig. 2 is the utility model discloses six types of shielded data cable's of leather bubble skin cable monomer structure sketch map.

In the figure: 1. a cable unit; 2. a cable cover; 201. a clamping groove A; 3. a copper conductor; 301. an insulating layer A; 302. a foamed layer; 303. an insulating layer B; 4. a cross-shaped framework; 401. a clamping groove B; 5. a skeletal separator; 6. a shielding layer; 7. and a reinforcing layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

The following will describe in detail a six-type shielded data cable with sheath according to an embodiment of the present invention with reference to fig. 1 to 2.

Referring to fig. 1 and 2, a six-type shielded data cable with a sheath and a foam according to an embodiment of the present invention includes a single cable body 1 and a cable sheath 2, the cable single body 1 is arranged inside the cable sleeve 2, the inner side wall of the cable sleeve 2 is provided with four clamping grooves A201, the inside of the cable monomer 1 is fixedly connected with a copper conductor 3, the outer side wall of the copper conductor 3 is coated with an insulating layer A301, the outer side wall of the insulating layer A301 is coated with a foaming layer 302, the outer side wall of the foaming layer 302 is coated with an insulating layer B303, the cable sleeve 2 is internally and fixedly connected with a cross-shaped framework 4, the surface of the cross-shaped framework 4 is provided with a clamping groove B401 corresponding to the position of the clamping groove A201, the framework partition plate 5 is inserted in front of the clamping groove A204 and the clamping groove B401, the outer side wall of the cable sleeve 2 is coated with a shielding layer 6, and the outer side wall of the shielding layer 6 is coated with a reinforcing layer 7.

Illustratively, when the cable erection length is longer, the two sides of the framework clapboard 5 are respectively aligned between a clamping groove B401 arranged on the surface of the cross framework 4 and a clamping groove A201 arranged on the inner wall of the cable sleeve 2, the framework clapboard 5 is inserted, the framework clapboard 5 is obliquely fixed in the cable sleeve 2 after the insertion is finished, the auxiliary supporting function is achieved, the supporting force on the cable sleeve 2 is greatly improved, the long-distance cable erection is convenient, the shielding layer 6 is made of a copper wire woven net, the shielding net is a shielding net woven by soft fine copper wires and has the weaving density of 50% -90%, the shielding structure is stable, the finished product has good bending property, the purpose of shielding electromagnetism is achieved by cutting the magnetic induction wires, the 7 is made of thermoplastic polyurethane, is a soft and tough sheath material, and has good toughness, strength, resistance, chemical corrosion resistance and shock resistance, the flexible cable can keep flexibility in a wide temperature range, can play a good role in protecting the inside of the cable as the outermost layer of the cable, avoids the influence of surface layer fracture on the normal use of the cable, and has strong weather resistance and long service life.

When in use, the cable monomer 1 is composed of a copper conductor 3, an insulating layer A301, a foaming layer 302 and an insulating layer B303, the outer wall of the copper conductor 3 is sequentially coated with the insulating layer A301, the foaming layer 302 and the insulating layer B303, the insulating layer A301 and the insulating layer B303 are made of polyethylene, the cable is thermoplastic resin prepared by polymerizing ethylene and has good insulating property, the foaming layer 302 is made of polyurethane and is a high molecular compound, the performance of the cable can better meet better communication effect, the transmission capacity and speed are increased, the material dielectric constant is reduced, the cable sleeve 2 is made of polyvinyl chloride, the cable is a polymer prepared by polymerizing vinyl chloride monomers under the action of light and heat according to a free radical polymerization reaction mechanism, the polymer is difficult to burn and ageing-resistant, can play a certain protection role in the interior of the cable, and under the condition that the length of the cable is common, the cable sleeve 2 can be well supported by the cross-shaped framework 4 fixed in the cable sleeve 2, when the cable is erected to a longer length, two sides of the framework clapboard 5 are respectively aligned between the clamping groove B401 arranged on the surface of the cross-shaped framework 4 and the clamping groove A201 arranged on the inner wall of the cable sleeve 2, the framework clapboard 5 is inserted, the framework clapboard 5 is obliquely fixed in the cable sleeve 2 after the insertion is finished, two ends of the framework clapboard are respectively connected with the cable sleeve 2 and the cross-shaped framework 4, the cable monomer 1 is arranged between the cross-shaped framework 4 and the framework clapboard 5 in the cable sleeve 2, compared with the traditional structure that only the cross-shaped framework 4 is arranged in the cable sleeve 2, the auxiliary supporting function is realized by the framework clapboard 5, the supporting force for the cable sleeve 2 is greatly improved, the long-distance cable erection is convenient, the outer wall of the cable sleeve 2 is coated with the shielding layer 6 and the reinforcing layer 7, the shielding layer 6 is made of a copper wire mesh grid, is a shielding mesh grid which is woven by soft fine copper wires and has the weaving density of 50-90 percent, has stable shielding structure, good bending property of finished products, material and cost saving, achieves the aim of shielding electromagnetism by cutting magnetic induction wires, and plays a role in shielding the internal environment and the external environment of the cable sleeve 2, the reinforcing layer 7 is made of thermoplastic polyurethane, is a soft and tough sheath material, has good toughness, strength, cacheability, chemical corrosion resistance and shock resistance, can keep flexibility in a wide temperature range, has good radiation resistance and is suitable for sealing, and the like, is used as the outermost layer of the cable, plays a good role in protecting the interior of the cable, avoids the surface layer from being broken to influence the normal use of the cable, and has strong weather resistance and long service life.

It should be noted that, the utility model relates to a six types of shielding data cables of leather-foam skin, including cable monomer 1, cable cover 2, draw-in groove A201, copper conductor 3, insulating layer A301, foaming layer 302, insulating layer B303, cross skeleton 4, draw-in groove B401, skeleton baffle 5, shielding layer 6, enhancement layer 7, the part is the general standard component or the part that technical staff in the field knows, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The six types of shielded data cables with the leather-foam covers comprise cable monomers (1) and cable sleeves (2) and are characterized in that the cable monomers (1) are installed inside the cable sleeves (2), the inner side walls of the cable sleeves (2) are provided with four clamping grooves A (201) and four clamping grooves A (201), copper conductors (3) are fixedly connected inside the cable monomers (1), the outer side walls of the copper conductors (3) are wrapped with insulating layers A (301), the outer side walls of the insulating layers A (301) are wrapped with foaming layers (302), the outer side walls of the foaming layers (302) are wrapped with insulating layers B (303), cross-shaped frameworks (4) are fixedly connected inside the cable sleeves (2), clamping grooves B (401) corresponding to the positions of the clamping grooves A (201) are formed in the surfaces of the cross-shaped frameworks (4), and framework partition plates (5) are inserted in the front of the clamping grooves A (201) and the clamping grooves B (, the cable cover (2) lateral wall cladding has shielding layer (6), shielding layer (6) lateral wall cladding has enhancement layer (7).

2. The six-type shielded data cable with skin and foam as claimed in claim 1, wherein the cable sheath (2) is made of polyvinyl chloride.

3. The six-type shielded data cable with skin and foam according to claim 1, wherein the insulation layer A (301) and the insulation layer B (303) are made of polyethylene, and the foam layer (302) is made of polyurethane.

4. The six-type shielded data cable with skin and foam as claimed in claim 1, wherein the shielding layer (6) is made of copper wire mesh, and the reinforcing layer (7) is made of thermoplastic polyurethane.