Type-seven network cable

Abstract

The utility model discloses a category seven network cable, which comprises a plurality of groups of twisted pairs, an inner shielding layer is fixedly wrapped on the outer wall of each group of twisted pairs, an outer shielding layer is fixedly wrapped on the outer side of the plurality of groups of twisted pairs, an elastic layer is fixedly arranged on the outer wall of the outer shielding layer, a wrapping layer is fixedly wrapped on the outer wall of the elastic layer, and a wear-resistant layer is fixedly arranged on the surface of the wrapping layer. The inner shielding layer and the outer shielding layer keep the shielding requirements of seven types of network cables and meet the transmission requirements of the network cables, and meanwhile, the elastic layer is arranged, so that after the network cables are bent, the elastic force of the elastic layer promotes the network cables to rebound, long-term folding creases of outgoing lines on the network cables are avoided, damage and breakage of the creases are avoided, and the service life of the network cables is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of network cables, in particular to a category 7 network cable. Background Art

[0002] Category 7 network cable is the latest twisted pair cable in the ISO / IEC 118017 Category / F standard. It is mainly designed to adapt to the application and development of 10 Gigabit Ethernet technology. However, it is no longer an unshielded twisted pair cable, but a shielded twisted pair cable with a metal shielding layer inside, such as a fully enclosed shielded Category 7 network cable proposed in Chinese utility model CN217306183U, in which every two oxygen-free copper conductors constitute a signal line pair and are covered with an inner shield on the outer periphery, four groups of signal lines with inner shields are wrapped with outer shields on the outer periphery, and a sheath is provided on the outer periphery of the outer shield; the inner shield is composed of an aluminum layer and a polyester layer, and the inner layer is a polyester layer and the outer layer is an aluminum layer, similar to the existing Category 7 network cables, the inner shielding layer and the outer shielding layer are both metal shielding layers, which results in lower flexibility of the Category 7 network cable and cannot return to its original shape after being bent. After bending, the twisted pair and shielding layer of the inner wall remain in a folded state, and the crease exists for a long time, which can easily cause damage and breakage of the network cable at the crease. In view of the above problems, the inventor proposes a Category 7 network cable to solve the above problems. Utility Model Content

[0003] In order to solve the problem that the current seven-category network cable has low flexibility and cannot return to its original shape after being bent, and after being bent, the twisted pair and shielding layer of the inner wall remain in a folded state, and the crease exists for a long time, which can easily cause the network cable to be damaged and broken at the crease; the purpose of the utility model is to provide a seven-category network cable.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: a category 7 network cable, comprising multiple groups of twisted pair cables, the outer wall of each group of twisted pair cables is fixedly wrapped with an inner shielding layer, the outer sides of the multiple groups of twisted pair cables are fixedly wrapped with an outer shielding layer, the outer wall of the outer shielding layer is fixedly provided with an elastic layer, the outer wall of the elastic layer is fixedly wrapped with a wrapping layer, and the surface of the wrapping layer is fixedly provided with a wear-resistant layer.

[0005] Preferably, a plurality of filling ropes are provided between the inner shielding layer and the outer shielding layer on the outside of the multiple groups of twisted pair cables, the filling rope is a hemp rope, the inner shielding layer is an aluminum foil layer wrapping the twisted pair cables, the outer shielding layer is a mesh structure woven by stainless steel wire, the wrapping layer is a PVC layer, the wear-resistant layer is an epoxy resin layer, and the thickness of the wear-resistant layer is 0.3-0.5 mm.

[0006] Preferably, the elastic layer includes a support ring, the outer wall of the outer shielding layer is fixedly sleeved with multiple support rings, multiple elastic rods are fixedly installed between the end faces of two adjacent support rings, the elastic rods are arc-shaped structures, and the elastic rods are distributed in two layers along the radial direction of the support rings, and the arc-shaped inner walls of the two layers of the elastic rods are close to each other.

[0007] Preferably, the surface of the wear-resistant layer is movably sleeved with multiple movable rings, a connecting rod is fixedly installed on the outer wall of one side of the movable ring, a ball head is fixedly installed on the end face of the connecting rod, and a drawstring is fixedly connected to the end of the movable ring away from the ball head. The drawstring has multiple slots, the diameter of the ball head is larger than the diameter of the slots, and the drawstring is an elastic rubber band.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The inner shielding layer and the outer shielding layer maintain the shielding requirements of the seven types of network cables and meet the transmission requirements of the network cables. At the same time, the support ring maintains the overall circularity of the network cable. The double-layer elastic rods arranged within the diameter range of the support ring form an arc structure. When the network cable is bent, the elastic rods are deformed. After the bending, the elastic force of the elastic rods gives the network cable a rebound force, so that the network cable remains round and flat, avoiding the appearance of folding marks. The wear-resistant layer improves the wear resistance of the network cable surface and increases the service life of the network cable.

[0010] 2. When the network cable is too long and needs to be stored, slide the movable ring to the reeling position, wrap the network cable in a ring, and then pass the drawstring around the network cable. Then press the bayonet along the ball head. The elasticity of the drawstring makes the bayonet open when pressed, so that it passes over the ball head. After the external force is lost, the bayonet fits the connecting rod, so that the drawstring limits the network cable, which is convenient for bundling the remaining wires and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0014] Figure 3 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0015] Figure 4 It is a structural schematic diagram of the residual wire winding state of the utility model.

[0016] In the figure: 1. twisted pair; 2. inner shielding layer; 3. outer shielding layer; 4. elastic layer; 41. support ring; 42. elastic rod; 5. wrapping layer; 6. wear-resistant layer; 7. filling rope; 8. movable ring; 9. connecting rod; 10. ball head; 11. pull belt; 12. bayonet. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example: Figure 1-4 As shown, the utility model provides a category 7 network cable, including multiple groups of twisted pair cables 1, the outer wall of each group of twisted pair cables 1 is fixedly wrapped with an inner shielding layer 2, the outer sides of the multiple groups of twisted pair cables 1 are fixedly wrapped with an outer shielding layer 3, the outer wall of the outer shielding layer 3 is fixedly provided with an elastic layer 4, the outer wall of the elastic layer 4 is fixedly wrapped with a wrapping layer 5, and the surface of the wrapping layer 5 is fixedly provided with a wear-resistant layer 6.

[0019] Through the above technical scheme, the inner shielding layer 2 and the outer shielding layer 3 maintain the shielding requirements of the seven categories of network cables and meet the network cable transmission requirements. At the same time, the elastic layer 4 is provided so that after the network cable is bent, the elastic force of the elastic layer 4 prompts the network cable to rebound, thereby avoiding long-term folding creases on the network cable, thereby avoiding damage and breakage at the creases and increasing the life of the network cable.

[0020] Furthermore, a plurality of filling ropes 7 are provided between the inner shielding layer 2 and the outer shielding layer 3 on the outside of the plurality of groups of twisted pair cables 1. The filling rope 7 is a hemp rope. The inner shielding layer 2 is an aluminum foil layer wrapping the twisted pair cables 1. The outer shielding layer 3 is a mesh structure woven by stainless steel wire. The wrapping layer 5 is a PVC layer. The wear-resistant layer 6 is an epoxy resin layer. The thickness of the wear-resistant layer 6 is 0.3-0.5 mm.

[0021] Through the above technical solution, the inner shielding layer 2 is formed by the aluminum foil layer, the outer shielding layer 3 is formed by the metal mesh, and the design of the wear-resistant layer 6 improves the wear resistance of the surface of the mesh cable.

[0022] Furthermore, the elastic layer 4 includes a support ring 41, and the outer wall of the outer shielding layer 3 is fixedly sleeved with multiple support rings 41. Multiple elastic rods 42 are fixedly installed between the end faces of two adjacent support rings 41. The elastic rods 42 are arc-shaped structures, and the elastic rods 42 are distributed in two layers along the radial direction of the support rings 41, and the arc-shaped inner walls of the two layers of elastic rods 42 are close to each other.

[0023] Through the above technical solution, the support ring 41 maintains the overall circularity of the network cable, and the double-layer elastic rod 42 arranged within the diameter range of the support ring 41 forms an arc structure. When the network cable is bent, the elastic rod 42 is deformed. After the bending is completed, the elastic force of the elastic rod 42 gives the network cable a rebound force, so that the network cable remains round and flat, avoiding the appearance of folding marks.

[0024] Furthermore, a plurality of movable rings 8 are movably sleeved on the surface of the wear-resistant layer 6, a connecting rod 9 is fixedly installed on the outer wall of one side of the movable ring 8, a ball head 10 is fixedly installed on the end face of the connecting rod 9, a drawstring 11 is fixedly connected to one end of the movable ring 8 away from the ball head 10, a plurality of bayonet holes 12 are opened on the drawstring 11, the diameter of the ball head 10 is larger than the diameter of the bayonet hole 12, and the drawstring 11 is an elastic rubber belt.

[0025] Through the above technical solution, when the network cable is too long and the excess wire needs to be stored, the movable ring 8 is slid to the winding position, and the drawstring 11 is passed around the network cable after the network cable is wound in a ring shape. Then the bayonet 12 is pressed along the ball head 10. Due to the elasticity of the drawstring 11, the bayonet 12 is opened when pressed, thereby passing over the ball head 10. After the external force is lost, the bayonet 12 is fitted into the connecting rod 9, so that the drawstring 11 limits the network cable, which is convenient for bundling the excess wire.

[0026] Working principle: The inner shielding layer 2 and the outer shielding layer 3 maintain the shielding requirements of the seven categories of network cables and meet the network cable transmission requirements. At the same time, the support ring 41 maintains the overall circularity of the network cable. The double-layer elastic rod 42 arranged within the diameter range of the support ring 41 forms an arc structure, and when the network cable is bent, the elastic rod 42 is deformed. After the bending, the elastic force of the elastic rod 42 gives the network cable a rebound force, so that the network cable remains round and flat, avoiding the appearance of folding marks, and is wear-resistant. Layer 6 improves the wear resistance of the surface of the network cable and increases the service life of the network cable. When the network cable is too long and the excess wire needs to be stored, the movable ring 8 is slid to the winding position. After the network cable is wound in a ring shape, the drawstring 11 is passed around the network cable, and then the bayonet 12 is pressed along the ball head 10. Due to the elasticity of the drawstring 11, the bayonet 12 is opened when pressed, so as to pass over the ball head 10. After the external force is lost, the bayonet 12 is fitted with the connecting rod 9, so that the drawstring 11 limits the network cable, which is convenient for the excess wire to be bundled and easy to use.

[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A Category 7 network cable, comprising a plurality of twisted pair cables (1), characterized in that: The outer wall of each group of twisted pair cables (1) is fixedly wrapped with an inner shielding layer (2), the outer sides of multiple groups of twisted pair cables (1) are fixedly wrapped with an outer shielding layer (3), the outer wall of the outer shielding layer (3) is fixedly wrapped with an elastic layer (4), the outer wall of the elastic layer (4) is fixedly wrapped with a wrapping layer (5), and the surface of the wrapping layer (5) is fixedly wrapped with a wear-resistant layer (6); The elastic layer (4) comprises a support ring (41), the outer wall of the outer shielding layer (3) is fixedly sleeved with a plurality of support rings (41), and a plurality of elastic rods (42) are fixedly installed between the end surfaces of two adjacent support rings (41); The elastic rod (42) is an arc-shaped structure, and the elastic rod (42) is distributed in two layers along the radial direction of the support ring (41), and the arc-shaped inner walls of the two layers of the elastic rod (42) are close to each other; The surface of the wear-resistant layer (6) is movably sleeved with a plurality of movable rings (8); a connecting rod (9) is fixedly mounted on an outer wall of one side of the movable ring (8); a ball head (10) is fixedly mounted on the end face of the connecting rod (9); a drawstring (11) is fixedly connected to one end of the movable ring (8) away from the ball head (10); and a plurality of bayonet holes (12) are provided on the drawstring (11).

2. A Category 7 network cable as claimed in claim 1, characterized in that: A plurality of filling ropes (7) are provided between the inner shielding layer (2) and the outer shielding layer (3) outside the plurality of groups of twisted pair cables (1), and the filling ropes (7) are hemp ropes.

3. The Category 7 network cable according to claim 1, characterized in that: The inner shielding layer (2) is an aluminum foil layer that wraps the twisted pair (1), and the outer shielding layer (3) is a mesh structure formed by weaving stainless steel wires.

4. The Category 7 network cable according to claim 1, characterized in that: The wrapping layer (5) is a PVC layer, the wear-resistant layer (6) is an epoxy resin layer, and the thickness of the wear-resistant layer (6) is 0.3 to 0.5 mm.

5. The Category 7 network cable according to claim 1, characterized in that: The diameter of the ball head (10) is greater than the diameter of the bayonet (12), and the drawstring (11) is an elastic rubber belt.

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