Easy-to-strip cable and easy-to-strip optical fiber ribbon cable

Abstract

The present invention belongs to the field of cable technology, and relates to an easy-to-strip cable, which has a central reinforcement member, four unit components, a protective layer, an outer sheath, and a cushion layer, wherein the unit components are outside the cushion layer, the protective layer covers all the unit components, and the outer sheath is outside the protective layer; the characteristic is that the unit components are composed of an upper pressing plate, a lower pressing plate, and a transition plate, the unit components have upper and lower limit components and a containing cavity, the containing cavity has a plurality of transmission components, and the transmission components are insulated conductors. The present application also discloses an easy-to-strip optical fiber ribbon cable. The present invention has the following main beneficial effects: novel structure, easier to take and place unit components, more compact structure, smaller product diameter, less material consumption, lower cost, and greater versatility and flexibility.

Description

Technical Field

[0001] The invention belongs to the technical field of cables, and in particular relates to an easy-to-strip cable and an easy-to-strip optical fiber ribbon cable. Background Art

[0002] CN210627968U discloses a high-frequency data transmission line with an optical fiber ribbon, which has an outer sheath, a protective layer, an electrical unit, an optical unit, two reinforcing members, and a protective belt; the characteristics are: the optical unit is composed of an optical fiber ribbon and an optical fiber ribbon sheath covering the optical fiber ribbon, and the cross section of the optical unit is rectangular or rectangular with missing corners; the two reinforcing members are respectively located on the two outer sides of the long axis direction of the optical unit cross section; the electrical unit is located above the optical unit; the protective belt is located below the optical unit; the protective layer covers the electrical unit, the optical unit, the two reinforcing members and the protective belt as a whole; the outer sheath is extruded and covered outside the protective layer. The main problems it has are poor heat dissipation and inconvenience in stripping.

[0003] CN103531299AW discloses an optical fiber ribbon photoelectric hybrid cable, which belongs to the technical field of photoelectric hybrid cables. It includes a group of power lines, optical cables, tapes, shielding layers and outer sheaths, and has the following characteristics: the optical cable is placed in the middle of a group of power lines, the tapes are wrapped around a group of power lines, the shielding layer is extruded outside the tapes, the outer sheath is extruded outside the shielding layer, the optical cable includes an optical fiber ribbon and an optical cable sheath extruded outside the optical fiber ribbon, there is at least one optical fiber ribbon, the optical cable sheath is a low-smoke zero-halogen LSZH sheath, the tape is a non-hygroscopic tape, and the shielding layer is an aluminum-plastic composite sheath or a steel-plastic composite sheath. It also has the technical problems of poor heat dissipation and inconvenient stripping.

[0004] Fast and efficient construction is a technical problem that urgently needs to be solved in the industry, but it cannot be achieved with existing technologies. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to disclose an easy-to-strip cable and an easy-to-strip optical fiber ribbon cable, which are implemented by adopting the following technical solutions.

[0006] A cable that is easy to strip, comprising a central reinforcement, four unit components, a protective layer, and an outer sheath. The central reinforcement is extruded and coated with a cushion layer, the unit components are symmetrically distributed outside the cushion layer, the protective layer covers all the unit components, and the outer sheath is located outside the protective layer; the characteristic is that the unit components are composed of an upper pressing plate, a lower pressing plate, and a transition plate, the other end of the upper pressing plate is vertically connected to one end of the transition plate, the other end of the transition plate is vertically connected to the other end of the lower pressing plate, the width of the upper pressing plate is smaller than the width of the lower pressing plate, the upper pressing plate is parallel to the lower pressing plate, a accommodating cavity is formed between the upper pressing plate and the lower pressing plate, an upper limit component is provided on the lower surface of the upper pressing plate near one end, a lower limit component is provided on the upper surface of the lower pressing plate near one end, and the accommodating cavity has There are multiple transmission components, and the upper limit component and the lower limit component can limit the position of the transmission component so that it cannot escape from the accommodating cavity under normal circumstances; the transverse surface of the cushion layer is rectangular, and the left part of the lower surface of the lower pressure plate of the unit component and the lower surface of the transition plate of the unit component are both tightly attached to the outer surface of the cushion layer. On the cross section of the easy-to-strip cable, along the clockwise direction, in the adjacent unit components, the left side of the transition plate of the latter unit component is tightly attached to the right part of the lower pressure plate of the previous unit component, and the left side of the transition plate of the first unit component is tightly attached to the right part of the lower pressure plate of the last unit component; the transmission component is an insulated wire, and the insulated wire is composed of a conductor that can transmit electricity and an insulating layer coated outside the conductor.

[0007] A cable that is easy to strip, comprising a central reinforcement, four unit components, a protective layer, and an outer sheath. The central reinforcement is extruded and coated with a cushion layer, the unit components are symmetrically distributed outside the cushion layer, the protective layer covers all the unit components, and the outer sheath is located outside the protective layer; the characteristic is that: the unit component is composed of an upper pressing plate, a lower pressing plate, and a transition plate, the other end of the upper pressing plate is vertically connected to one end of the transition plate, the other end of the transition plate is vertically connected to the other end of the lower pressing plate, the width of the upper pressing plate is smaller than the width of the lower pressing plate, the upper pressing plate is parallel to the lower pressing plate, a accommodating cavity is formed between the upper pressing plate and the lower pressing plate, an upper limit component is provided on the lower surface of the upper pressing plate near one end, and an upper surface of the lower pressing plate near one end is provided with an upper limit component. It has a lower limit component, and a plurality of transmission components are arranged in the accommodating cavity. The upper limit component and the lower limit component can limit the position of the transmission component so that it cannot escape from the accommodating cavity under normal circumstances; the transverse surface of the cushion layer is rectangular, and the left part of the lower surface of the lower pressure plate of the unit component and the lower surface of the transition plate of the unit component are both tightly attached to the outer surface of the cushion layer. On the cross section of the easy-to-strip cable, along the clockwise direction, in the adjacent unit components, the left side of the transition plate of the latter unit component is tightly attached to the right part of the lower pressure plate of the previous unit component, and the left side of the transition plate of the first unit component is tightly attached to the right part of the lower pressure plate of the last unit component; the transmission component is an optical fiber.

[0008] An easy-to-strip optical fiber ribbon cable comprises a central reinforcement member, four unit components, a protective layer, and an outer sheath. The central reinforcement member is extruded and coated with a cushion layer. The unit components are symmetrically distributed outside the cushion layer. The protective layer covers all the unit components, and the outer sheath is located outside the protective layer. The characteristic is that the unit components are composed of an upper pressing plate, a lower pressing plate, and a transition plate. The other end of the upper pressing plate is vertically connected to one end of the transition plate, and the other end of the transition plate is vertically connected to the other end of the lower pressing plate. The width of the upper pressing plate is smaller than that of the lower pressing plate. The upper pressing plate is parallel to the lower pressing plate. A accommodating cavity is formed between the upper pressing plate and the lower pressing plate. An upper limit component is provided on the lower surface of the upper pressing plate near one end, and a lower limit component is provided on the upper surface of the lower pressing plate near one end. The accommodating cavity An optical fiber ribbon is arranged in the body, and the upper limit component and the lower limit component can limit the position of the optical fiber ribbon so that it cannot escape from the accommodating cavity under normal circumstances; the transverse surface of the cushion layer is rectangular, and the left part of the lower surface of the lower pressure plate of the unit component and the lower surface of the transition plate of the unit component are both in close contact with the outer surface of the cushion layer. On the cross section of the easy-to-strip optical fiber ribbon cable, in the clockwise direction, among the adjacent unit components, the left side of the transition plate of the latter unit component is in close contact with the right part of the lower pressure plate of the previous unit component, and the left side of the transition plate of the first unit component is in close contact with the right part of the lower pressure plate of the last unit component; the optical fiber ribbon is composed of a plurality of optical fibers placed in parallel with gaps and an adhesive layer covering the optical fibers.

[0009] In the present application, the upper pressing plate, the lower pressing plate, the transition plate, the upper limit component and the lower limit component are formed integrally.

[0010] In the present application, when there is no upper limit component, the upper pressing plate, the lower pressing plate, the transition plate and the lower limit component are formed integrally.

[0011] In the present application, when there is no lower limit component, the upper pressing plate, the lower pressing plate, the transition plate and the upper limit component are formed integrally.

[0012] In the present application, the material of the outer sheath is polypropylene or polybutylene terephthalate or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or low-smoke low-halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.

[0013] In the present application, the material of the protective layer is a water-blocking tape or a polyester tape or a non-woven fabric or a glass fiber reinforced plastic tape or a mica tape or a yarn.

[0014] In the present application, the material of the cushion layer is plastic.

[0015] In the present application, the material of the central reinforcement member is steel, iron, aluminum, copper, alloy or plastic.

[0016] In the present application, the material of the upper pressing plate is polypropylene or polybutylene terephthalate or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or low-smoke low-halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.

[0017] In the present application, the model of the optical fiber is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or OM1 or OM2 or OM3 or OM4.

[0018] In the present application, the material of the bonding layer is plastic.

[0019] The present invention has the following major beneficial effects: novel structure, easier placement and removal of unit components, more compact structure, smaller product diameter, less material consumption, lower cost, and greater versatility and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure after dissection of Example 1 of the present application.

[0021] Figure 2 for Figure 1 Schematic diagram of the enlarged cross-section structure.

[0022] Figure 3 for Figure 1 Schematic diagram of the enlarged cross-sectional structure of the unit component used in.

[0023] Figure 4 Schematic diagram of the cross-sectional structure of the unit component used in implementation example 2.

[0024] In order to enable personnel in the technical field to more accurately and clearly understand and implement the present application, the figure numbers are further explained below in conjunction with the drawings of the specification, in which: 1-outer sheath, 2-protective layer, 3-unit component, 4-cushion, 5-center reinforcement, 30-accommodating cavity, 31-upper pressure plate, 32-lower pressure plate, 33-transition plate, 34-transmission component, 35-optical fiber, 36-adhesive layer, 311-upper limit component, 321-lower limit component. DETAILED DESCRIPTION

[0025] Implementation Example 1

[0026] Please see Figures 1 to 3, an easy-to-strip cable, comprising a central reinforcement member 5, four unit components 3, a protective layer 2, and an outer sheath 1, the central reinforcement member 5 is extruded and coated with a cushion layer 4, the unit components 3 are symmetrically distributed outside the cushion layer 4, the protective layer 2 covers all the unit components 3, and the outer sheath 1 is located outside the protective layer 2; it is characterized in that: the unit component 3 is composed of an upper pressing plate 31, a lower pressing plate 32, and a transition plate 33, the other end of the upper pressing plate 31 is vertically connected to one end of the transition plate 33, the other end of the transition plate 33 is vertically connected to the other end of the lower pressing plate 32, the width of the upper pressing plate 31 is smaller than the width of the lower pressing plate 32, the upper pressing plate 31 is parallel to the lower pressing plate 32, a accommodating cavity 30 is formed between the upper pressing plate 31 and the lower pressing plate 32, an upper limit component 311 is provided on the lower surface of the upper pressing plate 31 near one end, and a lower limit component 321 is provided on the upper surface of the lower pressing plate 32 near one end. , there are multiple transmission components 34 in the accommodating cavity 30, and the upper limit component 311 and the lower limit component 321 can limit the position of the transmission component 34 so that it cannot escape from the accommodating cavity 30 under normal circumstances; the transverse surface of the cushion layer 4 is rectangular, and the left part of the lower surface of the lower pressure plate 32 of the unit component 3 and the lower surface of the transition plate 33 of the unit component 3 are both tightly attached to the outer surface of the cushion layer 4. On the cross section of the easy-to-strip cable, along the clockwise direction, in the adjacent unit components 3, the left side of the transition plate 33 of the latter unit component 3 is tightly attached to the right part of the lower pressure plate 32 of the previous unit component 3, and the left side of the transition plate 33 of the first unit component 3 is tightly attached to the right part of the lower pressure plate 32 of the last unit component 3; the transmission component 34 is an insulated wire, and the insulated wire is composed of a conductor that can transmit electricity and an insulating layer coated outside the conductor.

[0027] In this embodiment, as a further optimization, there may be only an upper limit component 311 without a lower limit component 321; as long as the position of the transmission component 34 can be limited so that it cannot escape from the accommodating cavity 30 under normal circumstances.

[0028] In this embodiment, as a further optimization, there may be only a lower limit component 321 without an upper limit component 311; as long as the position of the transmission component 34 can be limited so that it cannot escape from the accommodating cavity 30 under normal circumstances.

[0029] As a further improvement, in this embodiment, the transmission component 34 can also be an optical fiber, so that the present application constitutes an optical cable, also referred to herein as an electrical cable.

[0030] As a further improvement, in this embodiment, the transmission components in some unit components are the optical fibers mentioned above, and the transmission components in some unit components are the insulated wires mentioned above, so that the present application constitutes an optoelectronic composite cable, also referred to herein as an electrical cable.

[0031] The clockwise described in this embodiment is relative and can also be counterclockwise, because after interception, it is clockwise when viewed from one direction and counterclockwise when viewed from another direction. Therefore, as long as the clockwise situation exists in the product, it should fall within the protection scope of this application.

[0032] Implementation Example 2

[0033] Please see Figure 4 , and see Figures 1 to 3 An easy-to-strip optical fiber ribbon cable is basically the same as the embodiment 1, except that an optical fiber ribbon is contained in the accommodating cavity 30, and the optical fiber ribbon is composed of a plurality of parallel optical fibers 35 arranged with gaps therebetween and an adhesive layer 36 covering the optical fibers 35.

[0034] Similar to implementation example 1, the transmission components in some unit components may be the optical fiber ribbons described above, and the transmission components in some unit components may be the insulated wires described above, so that the present application constitutes an optical fiber ribbon type electrical composite cable, also referred to herein as an optical fiber ribbon cable.

[0035] In this embodiment, when the height of the accommodating cavity 30 is sufficient, a plurality of optical fiber ribbons stacked up and down may be arranged in the accommodating cavity 30, so as to expand the communication capacity.

[0036] In the present application, the upper pressing plate, the lower pressing plate, the transition plate, the upper limit component 311 and the lower limit component 321 are formed integrally.

[0037] In the present application, when there is no upper limit component 311, the upper pressing plate, the lower pressing plate, the transition plate, and the lower limit component 321 are formed integrally.

[0038] In the present application, when there is no lower limit component 321, the upper pressing plate, the lower pressing plate, the transition plate, and the upper limit component 311 are formed integrally.

[0039] In the present application, the material of the outer sheath is polypropylene or polybutylene terephthalate or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or low-smoke low-halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.

[0040] In the present application, the material of the protective layer is a water-blocking tape or a polyester tape or a non-woven fabric or a glass fiber reinforced plastic tape or a mica tape or a yarn.

[0041] In this application, the protective layer can be omitted.

[0042] In the present application, the cushion layer may not exist, and the central reinforcement member only needs to have sufficient strength and be a rectangular parallelepiped with the same shape as the cushion layer.

[0043] In the present application, the material of the cushion layer is plastic.

[0044] In the present application, the material of the central reinforcement member is steel, iron, aluminum, copper, alloy or plastic.

[0045] In the present application, the material of the upper pressing plate is polypropylene or polybutylene terephthalate or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or low-smoke low-halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE or TPU.

[0046] In the present application, the model of the optical fiber is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or OM1 or OM2 or OM3 or OM4.

[0047] In the present application, the material of the bonding layer is plastic.

[0048] In the present application, one end of the upper and lower pressure plates of the unit component is not bonded, which makes it easier to take and place the power transmission or light transmission components, greatly improving the operating efficiency; the unique structure in the present application makes the product structure more compact, the product diameter smaller, the consumption of raw materials in each part is less, and the cost is lower; due to the presence of the upper limit component and / or the lower limit component, even unit components of different lengths, or unit components with different lengths of the lower pressure plates, can be used in the same product, which has greater versatility and flexibility.

[0049] The present invention has the following major beneficial effects: novel structure, easier placement and removal of unit components, more compact structure, smaller product diameter, less material consumption, lower cost, and greater versatility and flexibility.

[0050] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limiting the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An easy-to-strip cable, comprising a central reinforcement member, four unit components, a protective layer, and an outer sheath, wherein the central reinforcement member is extruded and coated with a cushion layer, the unit components are symmetrically distributed outside the cushion layer, the protective layer covers all the unit components, and the outer sheath is located outside the protective layer; characterized in that: The unit component is composed of an upper pressing plate, a lower pressing plate, and a transition plate. The other end of the upper pressing plate is vertically connected to one end of the transition plate, and the other end of the transition plate is vertically connected to the other end of the lower pressing plate. The width of the upper pressing plate is smaller than that of the lower pressing plate. The upper pressing plate is parallel to the lower pressing plate. A accommodating cavity is formed between the upper pressing plate and the lower pressing plate. An upper limit component is provided on the lower surface of the upper pressing plate near one end, and a lower limit component is provided on the upper surface of the lower pressing plate near one end. A plurality of transmission components are provided in the accommodating cavity, and the upper limit component and the lower limit component can limit the transmission component. The position of the component prevents it from escaping from the accommodating cavity under normal circumstances; the transverse surface of the cushion layer is rectangular, the left side portion of the lower surface of the lower pressure plate of the unit component and the lower surface of the transition plate of the unit component are both in close contact with the outer surface of the cushion layer, and in the cross section of the easy-to-open and strippable cable, in the clockwise direction, in the adjacent unit components, the left side surface of the transition plate of the latter unit component is in close contact with the right side portion of the lower pressure plate of the previous unit component, and the left side surface of the transition plate of the first unit component is in close contact with the right side portion of the lower pressure plate of the last unit component; The transmission component is an insulated wire, which is composed of a conductor capable of transmitting electricity and an insulating layer covering the conductor; The upper pressure plate, the lower pressure plate, the transition plate, the upper limit component and the lower limit component are formed in one piece; the material of the outer sheath is polypropylene or polybutylene terephthalate or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or low-smoke low-halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE; the material of the protective layer is a water-blocking tape or a polyester tape or a non-woven fabric or a glass fiber reinforced plastic tape or a mica tape or a yarn; the material of the cushion layer is plastic.

2. The easy-to-strip cable according to claim 1, characterized in that The material of the central reinforcement member is iron, aluminum, copper, alloy or plastic.

3. An easy-to-strip cable, comprising a central reinforcement member, four unit components, a protective layer, and an outer sheath, wherein the central reinforcement member is extruded and coated with a cushion layer, the unit components are symmetrically distributed outside the cushion layer, the protective layer covers all the unit components, and the outer sheath is located outside the protective layer; characterized in that: The unit component is composed of an upper pressing plate, a lower pressing plate, and a transition plate. The other end of the upper pressing plate is vertically connected to one end of the transition plate, and the other end of the transition plate is vertically connected to the other end of the lower pressing plate. The width of the upper pressing plate is smaller than that of the lower pressing plate. The upper pressing plate is parallel to the lower pressing plate. A accommodating cavity is formed between the upper pressing plate and the lower pressing plate. An upper limit component is provided on the lower surface of the upper pressing plate near one end, and a lower limit component is provided on the upper surface of the lower pressing plate near one end. A plurality of transmission components are provided in the accommodating cavity, and the upper limit component and the lower limit component can limit the transmission component. The position of the component prevents it from escaping from the accommodating cavity under normal circumstances; the transverse surface of the cushion layer is rectangular, the left side portion of the lower surface of the lower pressure plate of the unit component and the lower surface of the transition plate of the unit component are both in close contact with the outer surface of the cushion layer, and in the cross section of the easy-to-open and strippable cable, in the clockwise direction, in the adjacent unit components, the left side surface of the transition plate of the latter unit component is in close contact with the right side portion of the lower pressure plate of the previous unit component, and the left side surface of the transition plate of the first unit component is in close contact with the right side portion of the lower pressure plate of the last unit component; The transmission component is an optical fiber; The upper pressing plate, the lower pressing plate, the transition plate, the upper limit component and the lower limit component are formed in one piece.

4. The easy-to-strip cable according to claim 3, characterized in that The material of the outer sheath is polypropylene or polybutylene terephthalate or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or low-smoke low-halogen polyethylene or polyvinyl chloride or nylon or polytetrafluoroethylene or TPE.

5. The easy-to-strip cable according to claim 4, characterized in that The material of the protective layer is a water-blocking tape, a polyester tape, a non-woven fabric, a glass fiber reinforced plastic tape, a mica tape, or a binding yarn.

6. The easy-to-strip cable according to claim 5, characterized in that The material of the cushion layer is plastic.

7. The easy-to-strip cable according to claim 6, characterized in that The material of the central reinforcement member is iron, aluminum, copper, alloy or plastic.

8. An easy-to-strip optical fiber ribbon cable, comprising a central reinforcement member, four unit components, a protective layer, and an outer sheath, wherein the central reinforcement member is extruded and coated with a cushion layer, the unit components are symmetrically distributed outside the cushion layer, the protective layer covers all the unit components, and the outer sheath is located outside the protective layer; characterized in that: The unit component is composed of an upper pressing plate, a lower pressing plate, and a transition plate. The other end of the upper pressing plate is vertically connected to one end of the transition plate, and the other end of the transition plate is vertically connected to the other end of the lower pressing plate. The width of the upper pressing plate is smaller than that of the lower pressing plate. The upper pressing plate is parallel to the lower pressing plate. A accommodating cavity is formed between the upper pressing plate and the lower pressing plate. An upper limit component is provided on the lower surface of the upper pressing plate near one end, and a lower limit component is provided on the upper surface of the lower pressing plate near one end. An optical fiber ribbon is provided in the accommodating cavity. Both the upper limit component and the lower limit component can limit the position of the optical fiber ribbon so that it cannot escape from the accommodating cavity under normal circumstances. The horizontal surface of the cushion layer is rectangular, the left side of the lower surface of the lower pressure plate of the unit component and the lower surface of the transition plate of the unit component are both in close contact with the outer surface of the cushion layer. In the cross section of the easy-to-strip optical fiber ribbon cable, in the clockwise direction, in the adjacent unit components, the left side of the transition plate of the latter unit component is in close contact with the right side of the lower pressure plate of the previous unit component, and the left side of the transition plate of the first unit component is in close contact with the right side of the lower pressure plate of the last unit component; the optical fiber ribbon is composed of a plurality of optical fibers placed in parallel with gaps and an adhesive layer covering the optical fibers; The model of the optical fiber is G.652 or G.653 or G.654 or G.655 or G.656 or G.657 or A1a or A1b or A1c or A1d or OM1 or OM2 or OM3 or OM4; the material of the adhesive layer is plastic.

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