CN210376810U

CN210376810U - Self-supporting butterfly-shaped rubber-insulated-wire optical cable

Info

Publication number: CN210376810U
Application number: CN201921608524.3U
Authority: CN
Inventors: 管文浩
Original assignee: Jiangsu Yizhi Communication Technology Co Ltd
Current assignee: Jiangsu Yizhi Communication Technology Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-04-21
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a self-supporting butterfly rubber-insulated-wire cable, including the oversheath layer, the inside axle center department fixedly connected with optical fiber layer of oversheath layer, the first reinforcement of the inside top fixedly connected with of oversheath, the inside bottom fixedly connected with second reinforcement of oversheath, the top fixedly connected with connecting band of oversheath layer, the top fixedly connected with protective sheath of connecting band, the inside fixedly connected with galvanized steel wire of protective sheath, the oversheath layer includes the skin. The utility model discloses an oversheath layer, optic fibre layer, first reinforcement, second reinforcement, connecting band, protective sheath and galvanized steel wire's cooperation is used, can make optical cable simple manufacture, consumptive material few, and it is comparatively convenient to lay the installation moreover, is applicable to the optical cable of indoor introduction by outdoor entering in access network or user's residence net to and the building introduces the cable among the comprehensive wiring, especially indoor or outdoor aerial wiring when introducing.

Description

Self-supporting butterfly-shaped rubber-insulated-wire optical cable

Technical Field

The utility model relates to a rubber-insulated-wire cable technical field specifically is a self-supporting butterfly-shaped rubber-insulated-wire cable.

Background

The self-supporting rubber-insulated-wire optical cable is called butterfly-shaped leading-in optical cable for access network, and generally comprises a cable core and an outer sheath, wherein the cable core is formed by superposing one or more rectangular rubber-insulated-wire units, each rubber-insulated-wire unit comprises an optical fiber unit, two inner reinforcements and an inner sheath, the two inner reinforcements are symmetrically arranged on two sides of the optical fiber unit, the inner sheath is wrapped outside the optical fiber unit and the inner reinforcements, the outer sheath is wrapped outside the cable core, the rubber-insulated-wire unit is easy to be stripped and the optical fiber unit is exposed, and tearing openings are formed in the centers of two longer sides of the cross section.

When the optical cable is installed and accessed, an overhead laying method is generally adopted, and in the prior art, when the optical cable is laid in an overhead manner, a mode that a discrete supporting piece is adopted to hang the optical cable is mostly adopted, so that great inconvenience is brought to laying and installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self-supporting butterfly rubber-insulated-wire cable possesses the advantage of being convenient for to lay, has solved prior art, when the aerial optical cable that lays, mostly adopts the mode that discrete support piece hung the optical cable, and this has brought very big inconvenient problem for laying the installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a self-supporting butterfly rubber-insulated-wire cable, includes the oversheath layer, the inside axle center department fixedly connected with optical fiber layer of oversheath layer, the inside first reinforcement of top fixedly connected with of oversheath, the inside bottom fixedly connected with second reinforcement of oversheath, the top fixedly connected with connecting band of oversheath layer, the top fixedly connected with protective sheath of connecting band, the inside fixedly connected with galvanized steel wire of protective sheath.

Preferably, the outer jacket layer comprises an outer layer, the inner wall of the outer layer is fixedly connected with a nylon layer, the inner wall of the nylon layer is fixedly connected with an insulating layer, and the outer layer is made of a halogen-free flame-retardant material.

Preferably, the nylon layer is made of nylon 12 and nylon 6, and the insulating layer is made of polyvinyl chloride materials.

Preferably, the first reinforcing member and the second reinforcing member are made of glass fiber reinforced plastics, and the protective sleeve is made of flame-retardant LSZH materials.

Preferably, the optical fiber layer is a four-core optical fiber ribbon which is composed of one to four colored coated optical fibers.

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

1. the utility model discloses an oversheath layer, optic fibre layer, first reinforcement, second reinforcement, connecting band, protective sheath and galvanized steel wire's cooperation is used, can make optical cable simple manufacture, consumptive material few, and it is comparatively convenient to lay the installation moreover, is applicable to the optical cable of indoor introduction by outdoor entering in access network or user's residence net to and the building introduces the cable among the comprehensive wiring, especially indoor or outdoor aerial wiring when introducing.

2. The utility model discloses a set up skin, nylon layer and insulating layer, can have higher protective capacities to optic fibre, the compressive capacity of optical cable to external environment has been improved, and then the stability in use of inside optic fibre has been guaranteed, through setting up first reinforcement and second reinforcement, can make the intensity of this cable better, make the optical cable have better stretch-proofing and anti side pressure's performance, make the optical cable be difficult to be broken or crushed, through setting up the connecting band, protective sheath and galvanized steel wire, can play the installation of being convenient for, the cost is reduced, labor and time are saved, not influenced by strong wind simultaneously, guarantee the life-span safe and reliable of rubber-insulated-wire optical cable.

Drawings

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

fig. 2 is a schematic view of the outer sheath layer of the present invention.

In the figure: 1. an outer jacket layer; 101. an outer layer; 102. a nylon layer; 103. an insulating layer; 2. an optical fiber layer; 3. a first reinforcement; 4. a first reinforcement; 5. a connecting belt; 6. a protective sleeve; 7. galvanized steel wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-2, a self-supporting butterfly-shaped rubber-covered wire optical cable comprises an outer sheath layer 1, the outer sheath layer 1 comprises an outer layer 101, a nylon layer 102 is fixedly connected to the inner wall of the outer layer 101, an insulating layer 103 is fixedly connected to the inner wall of the nylon layer 102, the outer layer 101 is made of a halogen-free flame retardant material, the nylon layer 102 is made of nylon 12 and nylon 6, the insulating layer 103 is made of polyvinyl chloride material, an optical fiber layer 2 is fixedly connected to the axis inside the outer sheath layer 1, the optical fiber layer 2 is a four-core optical fiber ribbon, the four-core optical fiber ribbon is made of one to four colored coated optical fibers, a first reinforcing member 3 is fixedly connected to the top inside the outer sheath, a second reinforcing member 4 is fixedly connected to the bottom inside the outer sheath, a connecting band 5 is fixedly connected to the top of the outer sheath layer 1, a protective sleeve 6 is fixedly connected to the top of the connecting band 5, and the, the protective sleeve 6 is made of flame-retardant LSZH materials, the galvanized steel wire 7 is fixedly connected inside the protective sleeve 6, the outer layer 101, the nylon layer 102 and the insulating layer 103 are arranged, the high protective capacity on optical fibers can be achieved, the pressure resistance of the optical cable to the external environment is improved, the use stability of the internal optical fibers is further guaranteed, the strength of the cable can be better due to the arrangement of the first reinforcing piece 3 and the second reinforcing piece 4, the optical cable has better tensile and lateral pressure resistance, the optical cable is not easy to break or crush, the connecting band 5, the protective sleeve 6 and the galvanized steel wire 7 are arranged, the cable is convenient to install, the cost is reduced, labor and time are saved, the cable is not influenced by strong wind, the service life of the rubber-insulated cable is guaranteed to be safe and reliable, and the protective sleeve 6 and the galvanized steel wire 7 are matched for use through the outer protective sleeve layer 1, the optical fiber layer 2, the first reinforcing piece 3, the second reinforcing piece 4, the connecting band 5, the, the optical cable is simple to manufacture, low in material consumption and convenient to lay and install, and is suitable for optical cables which enter indoors from outdoors in an access network or a user ground network, building lead-in cables in comprehensive wiring, and particularly wiring when indoor or outdoor aerial lead-in cables are arranged.

When the cable is used, the outer layer 101 made of the halogen-free flame retardant material can reduce the generation of harmful substances and avoid environmental pollution when a fire disaster happens, and the cable is suitable for optical cables which are led into a room from the outside in an access network or a user ground network and building lead-in cables in comprehensive wiring, in particular to wiring when the room or the outside is led in overhead.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a self-supporting butterfly-shaped rubber-insulated-wire cable, includes oversheath layer (1), its characterized in that: fixedly connected with optical fiber layer (2) is located to the inside axle center of oversheath layer (1), the inside first reinforcement of top fixedly connected with (3) of oversheath, the inside bottom fixedly connected with second reinforcement (4) of oversheath, the top fixedly connected with connecting band (5) of oversheath layer (1), the top fixedly connected with protective sheath (6) of connecting band (5), the inside fixedly connected with galvanized steel wire (7) of protective sheath (6).

2. The self-supporting butterfly-shaped covered wire optical cable of claim 1, wherein: the outer jacket layer (1) comprises an outer layer (101), the inner wall of the outer layer (101) is fixedly connected with a nylon layer (102), the inner wall of the nylon layer (102) is fixedly connected with an insulating layer (103), and the outer layer (101) is prepared from a halogen-free flame-retardant material.

3. The self-supporting butterfly-shaped covered wire optical cable of claim 2, wherein: the nylon layer (102) is made of nylon 12 and nylon 6, and the insulating layer (103) is made of polyvinyl chloride materials.

4. The self-supporting butterfly-shaped covered wire optical cable of claim 1, wherein: the first reinforcing part (3) and the second reinforcing part (4) are both made of glass fiber reinforced plastics, and the protective sleeve (6) is made of flame-retardant LSZH materials.

5. The self-supporting butterfly-shaped covered wire optical cable of claim 1, wherein: the optical fiber layer (2) adopts a four-core optical fiber ribbon which is composed of one to four colored coated optical fibers.