CN213544900U - Butterfly-shaped leading-in optical cable for communication - Google Patents

Abstract

The application discloses butterfly-shaped optical drop cable for communication, include with regard to insulating protective sheath and set up at inside non-metallic reinforcement, optic fibre, division cable rope and the low smoke and zero halogen sheath of insulating protective sheath, the inboard fixed connection aluminium strip of insulating protective sheath, the inboard fixed connection water blocking layer of aluminium strip, the inboard fixed connection isolation layer of water blocking layer, the inboard fixed connection fire-retardant layer of isolation layer, the inboard packing of fire-retardant layer has the cable cream. In order to increase the security, the outermost layer of butterfly-shaped introducing optical cable is insulating protective layer, prevents the emergence of the electric leakage condition, and the aluminium strip is installed to insulating protective layer inboard, has played damp-proofing effect, and aluminium strip one side is provided with the water blocking layer, prevents the entering of moisture, and the water blocking layer inboard is provided with the isolation layer simultaneously, and the isolation layer separates water blocking layer and fire-retardant layer, and the water blocking layer blocks outside moisture entering, and fire-retardant layer mainly prevents from burning from inside to outside, has greatly improved the security.

Description

Butterfly-shaped leading-in optical cable for communication

Technical Field

The application relates to a butterfly-shaped optical cable, in particular to a butterfly-shaped drop optical cable for communication.

Background

With the construction work of 'all optical network cities' in China being comprehensively developed from points and areas, the optical cables in rural areas are rapidly pushed to villages and optical fiber subscribers are expected to be at home, the number of FTTH ports in China is more than 3.5 hundred million, the proportion of optical fiber subscribers is accelerated to be enlarged to 75 percent, and the number of optical fiber subscribers exceeds that of the optical fiber subscribers in Japan and Korean and is the first to live in the world. As a transmission medium for realizing FTTH to finally reach a user end, the market demand of the butterfly-shaped lead-in optical cable is high.

The existing butterfly-shaped drop cable has single function, only has the functions of moisture protection and storage, cannot effectively fix optical fibers, and is not easy to peel off when in use. Therefore, a butterfly-shaped drop cable for communication is proposed to solve the above problems.

Disclosure of Invention

The utility model provides a butterfly-shaped introducing optical cable for communication, includes with regard to insulating protective sheath and sets up at inside non-metallic reinforcement, optic fibre, division cable rope and low smoke and zero halogen sheath of insulating protective sheath, the inboard fixed connection aluminium strip of insulating protective sheath, the inboard fixed connection water blocking layer of aluminium strip, the inboard fixed connection isolation layer of water blocking layer, the fire-retardant layer of the inboard fixed connection of isolation layer, the inboard packing of fire-retardant layer has the cable cream, the nonmetal reinforcement of cable cream one side symmetry through connection, non-metallic reinforcement through connection low smoke and zero halogen sheath, low smoke and zero halogen sheath through-connection sleeve pipe, the second through-hole with sleeve pipe looks adaptation is seted up to low smoke and zero halogen sheath axis department, the inboard packing of sleeve pipe has fine cream, fine cream through connection a plurality of optic fibre, the supplementary core of strengthening of.

Further, the thickness of the water-resistant layer is consistent with that of the flame-retardant layer, and the thickness of the water-resistant layer is 1 mm.

Furthermore, a first through hole matched with the nonmetal reinforcing part is formed in the low-smoke zero-halogen sheath, and the low-smoke zero-halogen sheath is square.

Furthermore, the number of the optical fibers in the sleeve is four, and the optical fibers are uniformly distributed on the inner side of the sleeve in an annular shape.

Furthermore, the inner side of the cable paste is connected with two open cables in a penetrating manner, and the two open cables are symmetrically distributed on two sides of the low-smoke zero-halogen sheath.

Further, the length of the mooring rope is slightly larger than that of the insulating protective sleeve.

The beneficial effect of this application is: the application provides a butterfly-shaped drop cable for communication.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic side view of an embodiment of the present application;

FIG. 3 is a schematic view of the ferrule connection configuration of FIG. 1 according to one embodiment of the present application;

fig. 4 is an enlarged structural view of the low-smoke halogen-free sheath shown in fig. 1 according to an embodiment of the present disclosure.

In the figure: 1. insulating protective sheath, 2, aluminium strip, 3, the water blocking layer, 4, supplementary enhancement core, 5, fine cream, 6, division hawser, 7, low smoke and zero halogen sheath, 8, nonmetal reinforcement, 9, cable cream, 10, sleeve pipe, 11, optic fibre, 12, isolation layer, 13, fire-retardant layer, 14, first through-hole, 15, second through-hole.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a butterfly-shaped optical drop cable for communications includes an insulating protective sleeve 1, and a non-metal reinforcement 8, an optical fiber 11, a cable opening rope 6 and a low-smoke halogen-free sheath 7 which are disposed inside the insulating protective sleeve 1, wherein an aluminum tape 2 is fixedly connected to an inner side of the insulating protective sleeve 1, a water-blocking layer 3 is fixedly connected to an inner side of the aluminum tape 2, an isolation layer 12 is fixedly connected to an inner side of the water-blocking layer 3, a flame-retardant layer 13 is fixedly connected to an inner side of the isolation layer 12, a cable paste 9 is filled inside the flame-retardant layer 13, the non-metal reinforcement 8 is symmetrically connected to one side of the cable paste 9 in a penetrating manner, the non-metal reinforcement 8 is connected to the low-smoke halogen-free sheath 7 in a penetrating manner, the low-smoke halogen-free sheath 7 is connected to a sleeve 10, the fiber paste 5 is connected with the optical fibers 11 in a penetrating mode, and the fiber paste 5 is connected with the auxiliary reinforcing core 4 in a penetrating mode.

The thickness of the water-resistant layer 3 is consistent with that of the flame-retardant layer 13, and the thickness of the water-resistant layer 3 is 1mm with that of the flame-retardant layer 13; the low-smoke zero-halogen sheath 7 is provided with a first through hole 14 matched with the nonmetal reinforcing piece 8, and the low-smoke zero-halogen sheath 7 is square; the number of the optical fibers 11 in the sleeve 10 is four, and the optical fibers 11 are uniformly distributed on the inner side of the sleeve 10 in an annular shape; the inner side of the cable paste 9 is connected with two open cables 6 in a penetrating way, and the two open cables 6 are symmetrically distributed on two sides of the low-smoke zero-halogen sheath 7; the length of the mooring rope 6 is slightly greater than that of the insulating protective sleeve 1, so that the optical cable can be conveniently stripped.

When the waterproof fireproof cable is used, electrical components in the waterproof fireproof cable are externally connected with a power supply and a control switch when in use, firstly, the outermost layer of a butterfly-shaped leading-in optical cable is an insulating protection layer 1 to prevent the occurrence of electric leakage, an aluminum strip 2 is arranged on the inner side of the insulating protection layer 1 to play a role of moisture prevention, a water blocking layer 3 is arranged on one side of the aluminum strip 2 to prevent moisture from entering, an isolation layer 12 is arranged on the inner side of the water blocking layer 3 to separate the water blocking layer 3 from a flame-retardant layer 13, the water blocking layer 3 is used for blocking the entry of external moisture, the flame-retardant layer 13 is mainly used for preventing from burning from inside to outside, meanwhile, a cavity formed on the inner side of the flame-retardant layer 13 is filled with cable paste 9 to facilitate further water prevention, one side of the cavity is provided with a low-smoke zero-halogen sheath 7 to prevent the generation of toxic gas when, play the supporting role to the intracavity, increase the stability of intraductal optic fibre 11, the intracavity is provided with two division hawser 6 simultaneously, to peeling off of various protective layers when being convenient for use, the convenience has greatly been improved, axle department through connection has sleeve pipe 10 in the 7 low smoke and zero halogen sheaths simultaneously, be convenient for carry out the secondary protection to inside optic fibre 11, be provided with supplementary enhancement core 4 in the sleeve pipe 10 simultaneously, play the support in the optical cable with tensile effect, the reinforcing of being convenient for encircles the stability of optic fibre 11 on one side thereof.

The application has the advantages that:

1. in order to increase the safety, the outermost layer of the butterfly-shaped lead-in optical cable is an insulating protective layer to prevent the occurrence of electric leakage, an aluminum tape is arranged on the inner side of the insulating protective layer to play a role in moisture prevention, a water-blocking layer is arranged on one side of the aluminum tape to prevent water from entering, an isolation layer is arranged on the inner side of the water-blocking layer to separate the water-blocking layer from a flame-retardant layer, the water-blocking layer is used for blocking external water from entering, the flame-retardant layer is mainly used for preventing from burning from inside to outside, and the safety;

2. this application is rational in infrastructure, through low smoke and zero halogen sheath, nonmetal reinforcement, and open the cooperation between hawser etc, cavity one side is provided with low smoke and zero halogen sheath, produce poisonous gas when preventing to conflagration, harm fire fighter's is healthy, low smoke and zero halogen sheath inboard is provided with through connection's nonmetal reinforcement simultaneously, the supporting role has been played to the intracavity, increase the stability of intraductal optic fibre, the intracavity is provided with two hawsers of opening simultaneously, to opening of various protective layers when being convenient for use and shell, the convenience has greatly been improved.

The auxiliary reinforcing core 4 adopts a GYDTA model produced by Hongan group limited company and related matched power supply and circuit thereof.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (6)

1. A butterfly-shaped drop cable for communications, comprising: comprises an insulating protective sleeve (1) and a nonmetal reinforcement (8), an optical fiber (11), a cable opening rope (6) and a low-smoke halogen-free sheath (7) which are arranged inside the insulating protective sleeve (1), an inner side fixed connection aluminum strip (2) of the insulating protective sleeve (1), an inner side fixed connection water-blocking layer (3) of the aluminum strip (2), an inner side fixed connection isolation layer (12) of the water-blocking layer (3), an inner side fixed connection flame-retardant layer (13) of the isolation layer (12), cable paste (9) filled inside the flame-retardant layer (13), one side of the cable paste (9) is symmetrically and penetratingly connected with the nonmetal reinforcement (8), the nonmetal reinforcement (8) is penetratingly connected with the low-smoke halogen-free sheath (7), the low-smoke halogen-free sheath (7) is penetratingly connected with a sleeve (10), a second through hole (15) matched with the sleeve (10) is formed in the middle shaft, the inner side of the sleeve (10) is filled with fiber paste (5), the fiber paste (5) is connected with a plurality of optical fibers (11) in a penetrating mode, and the fiber paste (5) is connected with the auxiliary reinforcing core (4) in a penetrating mode.

2. The butterfly-shaped drop cable for communication of claim 1, wherein: the thickness of the water-resistant layer (3) is consistent with that of the flame-retardant layer (13), and the thickness of the water-resistant layer (3) is 1mm with that of the flame-retardant layer (13).

3. The butterfly-shaped drop cable for communication of claim 1, wherein: set up first through-hole (14) with nonmetal reinforcement (8) looks adaptation on low smoke and zero halogen sheath (7), just low smoke and zero halogen sheath (7) are square.

4. The butterfly-shaped drop cable for communication of claim 1, wherein: the number of the optical fibers (11) in the sleeve (10) is four, and the optical fibers (11) are uniformly distributed on the inner side of the sleeve (10) in an annular shape.

5. The butterfly-shaped drop cable for communication of claim 1, wherein: the cable paste (9) is internally connected with two mooring ropes (6) in a penetrating manner, and the two mooring ropes (6) are symmetrically distributed on two sides of the low-smoke zero-halogen sheath (7).

6. The butterfly-shaped drop cable for communication of claim 1, wherein: the length of the mooring rope (6) is slightly greater than that of the insulating protective sleeve (1).

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