CN112711109A

CN112711109A - Easily-expanded butterfly-shaped leading-in optical cable, photoelectric composite cable and construction method of photoelectric composite cable

Info

Publication number: CN112711109A
Application number: CN202011514352.0A
Authority: CN
Inventors: 徐彩娣
Original assignee: Changshu Xunlian Photoelectric Technology Co ltd
Current assignee: Jiangsu Zhongtian Technology Co Ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-04-27
Anticipated expiration: 2040-12-21
Also published as: CN112711109B

Abstract

The invention belongs to the technical field of communication and optical cables, and discloses an easily-expanded butterfly-shaped leading-in optical cable which is provided with a framework part, a plurality of expansion parts and a plurality of butterfly-shaped optical units; the method is characterized in that: the framework part consists of a framework body, a framework extension strip and a clamping part, and a central cavity is formed in the framework body; the expansion part is internally provided with an expansion cavity; and a clamping part is clamped into the expansion cavity of each expansion part and is made to be attached to the upper surface of the lower side wall body of the expansion part, and each expansion cavity is internally provided with a butterfly-shaped light unit which is positioned above the lower side wall body of the expansion part in the expansion cavity. The application also discloses a butterfly-shaped introduced photoelectric composite cable and a cable construction method. The invention has the following main beneficial effects: the structure is simple, the manufacture is easy, the manufacture qualification rate is high, the assembly and the laying are easy, the expansion is easy, and the fixing effect is excellent.

Description

Easily-expanded butterfly-shaped leading-in optical cable, photoelectric composite cable and construction method of photoelectric composite cable

Technical Field

The invention belongs to the technical field of communication and optical cables, and particularly relates to an easily-expanded butterfly-shaped leading-in optical cable, an easily-expanded photoelectric composite cable and a construction method of the easily-expanded butterfly-shaped leading-in optical cable and the photoelectric composite cable.

Background

In the prior art, the butterfly-shaped leading-in optical cable is single in structure and inconvenient to expand, brings great inconvenience to use, and sometimes a multi-core is used as a single core or cannot be flexibly assembled on site as required, so that unnecessary waste is caused.

CN111403101A discloses a suspension type cable and optical cable, have central beam tube, be located many electric conductors outside the central beam tube, be located the oversheath outside the electric conductor, central beam tube inside has many optical fiber ribbons that stack in proper order, has light-transmitting component in the optical fiber ribbon, its characterized in that still have four in the suspension type cable and hang the part, every hangs the part and all hangs the body, the body is hung to the second, the third hangs the body, hangs connecting portion, hangs the body and constitutes, hangs the part formula structure as an organic whole. The butterfly-shaped optical cable is increased and decreased through the hanging part, depends on the existence of the outer sheath, and is inconvenient to expand and construct.

For this reason, there is a desire in the industry to address the above-mentioned problems.

Disclosure of Invention

In order to solve the above problems, the present invention discloses an easily expandable butterfly-shaped drop cable, an optical-electrical composite cable and a construction method thereof, which are implemented by the following technical solutions.

An easily-expanded butterfly-shaped drop cable comprises a framework part, a plurality of expansion parts and a plurality of butterfly-shaped optical units, wherein each butterfly-shaped optical unit consists of a butterfly-shaped optical unit sheath, an optical transmission part and two reinforcing elements, the optical transmission part is positioned in the center of the butterfly-shaped optical unit sheath, the two reinforcing elements are respectively positioned above and below the optical transmission part, the butterfly-shaped optical unit sheath covers the optical transmission part and the reinforcing elements, and the edges of the butterfly-shaped optical unit sheaths on the left side and the right side of the optical transmission part are provided with tearing openings; the method is characterized in that: the framework component comprises a framework body, a plurality of framework extension strips and a plurality of clamping components, wherein a central cavity is formed in the framework body, one end of each framework extension strip extends outwards from the outer edge of the framework body, each clamping component is positioned at the other end of one framework extension strip, and the joint of the other end of each framework extension strip and each clamping component is positioned at the position close to the center of the clamping component; the expansion part is of a cuboid structure, an expansion cavity is arranged in the expansion part, an opening is formed in the middle of the lower side wall body of the expansion part to form a limiting gap, the left side of the lower side wall body of the expansion part is called a first limiting strip, and the right side of the lower side wall body of the expansion part is called a second limiting strip; and a clamping part is clamped into the expansion cavity of each expansion part and is made to be attached to the upper surface of the lower side wall body of the expansion part, and each expansion cavity is internally provided with a butterfly-shaped light unit which is positioned above the lower side wall body of the expansion part in the expansion cavity.

The butterfly-shaped easy-to-expand drop cable is characterized by further comprising a central reinforcing piece, and the central reinforcing piece is located in the central cavity.

Furthermore, the butterfly-shaped drop cable easy to expand is characterized in that the central reinforcing part is made of steel wire or glass fiber reinforced plastic or copper wire or aluminum wire or lead wire, or is made of a composite material, wherein the inner part of the composite material is made of steel wire or glass fiber reinforced plastic or copper wire or aluminum wire or lead wire or aramid yarn, and the outer part of the composite material is coated with plastic.

The butterfly-shaped drop cable easy to expand is characterized by further comprising a heat shrink tube, and the heat shrink tube is located in the central cavity.

Furthermore, the butterfly-shaped drop cable easy to expand is characterized in that the heat shrinkage pipe is provided with a heat shrinkage groove, and the framework body is provided with a framework body groove.

The butterfly-shaped drop cable easy to expand is characterized in that the framework component is of an integrated structure.

The butterfly-shaped drop cable easy to expand is characterized in that the framework component is made of plastic or metal.

The butterfly-shaped easy-to-expand drop cable is characterized in that the expansion part is of an integrated structure.

The butterfly-shaped easy-to-expand drop cable is characterized in that the material of the expansion part is plastic or metal.

The butterfly-shaped easy-to-expand drop cable is characterized in that the material of the butterfly-shaped optical unit sheath is plastic.

An expandable butterfly-shaped drop cable as described above, wherein the material of the optical transmission member is an optical fiber or a member having an optical fiber.

The butterfly-shaped introducing optical cable easy to expand is characterized in that the reinforcing element is made of steel wires, glass fiber reinforced plastics, aramid yarns, copper wires, aluminum wires or lead wires.

The butterfly-shaped drop cable easy to expand is characterized in that the framework extension bars are symmetrically distributed outside the framework body.

An easily-expanded butterfly-shaped drop cable comprises a framework part, a plurality of expansion parts and a plurality of butterfly-shaped optical units, wherein each butterfly-shaped optical unit consists of a butterfly-shaped optical unit sheath, an optical transmission part and two reinforcing elements, the optical transmission part is positioned in the center of the butterfly-shaped optical unit sheath, the two reinforcing elements are respectively positioned above and below the optical transmission part, the butterfly-shaped optical unit sheath covers the optical transmission part and the reinforcing elements, and the edges of the butterfly-shaped optical unit sheaths on the left side and the right side of the optical transmission part are provided with tearing openings; the method is characterized in that: the height H of the butterfly-shaped light unit sheath is within a range of. -. mm, the width W of the butterfly-shaped light unit sheath is within a range of. -. mm, the upper edge of the butterfly-shaped light unit sheath is a part of a first cylindrical surface, the lower edge of the butterfly-shaped light unit sheath is a part of a second cylindrical surface, and the axis of a cylinder where the first cylindrical surface is located is coincident with the axis of a cylinder where the second cylindrical surface is located; the framework component comprises a framework body, a plurality of framework extension strips and a plurality of clamping components, wherein a central cavity is formed in the framework body, one end of each framework extension strip extends outwards from the outer edge of the framework body, each clamping component is positioned at the other end of one framework extension strip, the joint of the other end of each framework extension strip and the clamping component is positioned at the position close to the center of the clamping component, and the clamping component is a part of a circular cylinder; the cross section of the extension part is of a door-shaped structure, an extension cavity is arranged in the extension part, an opening is formed in the center of the lower portion of the extension part and is called a limiting gap, the lower end of the left side wall body of the extension part is bent inwards to form a first limiting strip, a first clamping groove is formed between the first limiting strip and the left side wall body of the extension part, the lower end of the right side wall body of the extension part is bent inwards to form a second limiting strip, a second clamping groove is formed between the second limiting strip and the right side wall body of the extension part, a clamping part is clamped in the extension cavity of each extension part and clamped in the first clamping groove and the second clamping groove of the extension part, and a butterfly-shaped light unit is arranged in each extension cavity and is located above the extension part in the extension cavity.

An easily expandable butterfly-shaped drop cable is basically the same as the butterfly-shaped drop cable, and is characterized in that a plurality of clamping component holes are formed in the clamping component, and the clamping component holes penetrate through the framework extending strip and the clamping component.

An easily-expanded butterfly-shaped leading-in optical cable is basically the same as the prior butterfly-shaped leading-in optical cable, and is characterized in that a plurality of clamping component holes are formed in a clamping component, and the clamping component holes penetrate through a framework extension strip and the clamping component; the framework body between the adjacent framework extension bars is provided with a framework body hole which penetrates through the wall body of the framework body.

An easily expandable butterfly-shaped drop photoelectric composite cable, substantially as hereinbefore described, with the exception of: the central cavity is internally provided with a reinforcing component, the reinforcing component is composed of a reinforcing core and a reinforcing sleeve coated outside the reinforcing core, the reinforcing core is a component capable of transmitting electric power, and the reinforcing sleeve is made of plastic. The component that can carry electric power can be a conductor or a multi-core cable body or a coaxial cable body.

An easily extendable butterfly-shaped drop cable, substantially as hereinbefore described, with the exception that: the central cavity is internally provided with a reinforcing component, the reinforcing component is composed of a reinforcing core and a reinforcing sleeve coated outside the reinforcing core, the reinforcing core is made of steel wires or glass fiber reinforced plastics, and the reinforcing sleeve is made of plastics.

An easily expandable butterfly-shaped introduced photoelectric composite cable is basically the same as the traditional composite cable, except that an outer sheath is arranged outside an expansion part, so that the further protection of the cable can be realized.

An easily expandable butterfly-shaped leading-in optical cable is basically the same as the butterfly-shaped leading-in optical cable, except that an outer sheath is arranged outside an expansion part, and further protection for the cable can be realized.

An easily expandable butterfly-shaped drop photoelectric composite cable, substantially as hereinbefore described, with the exception of: two insulated conductors are provided in the expansion chamber with two of the expansion members.

An easily expandable butterfly-shaped drop photoelectric composite cable, substantially as hereinbefore described, with the exception of: the framework body is provided with a framework body groove.

The easily-expandable butterfly-shaped introduced photoelectric composite cable is characterized in that at least one expansion part is internally provided with an insulated wire, and at least one expansion part is internally provided with a butterfly-shaped optical unit.

An easily expandable butterfly drop cable or optical-electrical composite cable as described in the present application, characterized in that said skeleton member is an integral structure.

An expandable butterfly-shaped drop cable or optical-electrical composite cable as described in the present application, characterized in that the material of said skeleton part is plastic or metal.

An expandable butterfly-shaped drop cable or an optical-electrical composite cable as described in the present application, characterized in that the expansion part is of a unitary construction.

An expandable butterfly-shaped drop cable or optical-electrical composite cable as described in the present application, characterized in that the material of said expansion part is plastic or metal.

An expandable butterfly-shaped drop cable or an optical-electrical composite cable as described in the present application, characterized in that the material of the butterfly-shaped optical unit sheath is plastic.

An expandable butterfly-shaped drop cable or optical-electrical composite cable as described in the present application, characterized in that the material of the optical transmission member is an optical fiber or a member having an optical fiber.

The butterfly-shaped drop optical cable or the photoelectric composite cable easy to expand is characterized in that the reinforcing element is made of steel wires, glass fiber reinforced plastics, aramid yarns, copper wires, aluminum wires or lead wires.

The butterfly-shaped introducing optical cable or the photoelectric composite cable easy to expand is characterized in that the central reinforcement is made of steel wire or glass fiber reinforced plastic or copper wire or aluminum wire or lead wire, or made of composite material, wherein the inner part of the material is made of steel wire or glass fiber reinforced plastic or copper wire or aluminum wire or lead wire or aramid yarn, and the outer part of the material is coated with plastic.

In this application, the existence of skeleton body groove for can be under construction like this: the framework body groove is separated, the framework parts are sleeved on the erected reinforcing ribs, the framework body is wound to be integrally coated on the reinforcing ribs, then the quick-drying adhesive is sprayed from the framework body groove, the quick-drying adhesive is also sprayed from the framework body groove, a period of time is kept, and the construction and the laying of the cable are completed.

In this application, skeleton body groove, pyrocondensation pipe and pyrocondensation groove's existence for can be under construction like this: the reinforcing rib is plugged into the heat shrinkage groove and enters the heat shrinkage pipe, the heat shrinkage pipe rotates by an angle to enable the heat shrinkage groove to be staggered with the framework groove, the framework body is heated to enable the heat shrinkage pipe to tightly coat the reinforcing rib and firmly adhere to the inner wall of the framework body, then quick-drying viscose is sprayed on the framework groove, a period of time is kept, and construction and laying of the cable are completed.

The invention has the following main beneficial effects: the structure is simple, the manufacture is easy, the manufacture qualification rate is high, the assembly and the laying are easy, the expansion is easy, and the fixing effect is excellent.

Drawings

Fig. 1 is a schematic perspective view of a dissected segment of the example 1.

Fig. 2 is an enlarged cross-sectional structure diagram of fig. 1.

FIG. 3 is a schematic, perspective, anatomical illustration of a section of the expansion member used in FIG. 1.

Fig. 4 is an enlarged cross-sectional view of fig. 3.

FIG. 5 is a schematic, anatomical perspective view of the skeletal member used in FIG. 1.

Fig. 6 is a schematic perspective view of a section of the butterfly light unit used in fig. 1 after dissection.

Fig. 7 is an enlarged cross-sectional view of fig. 6.

Fig. 8 is a schematic perspective view of a dissected segment of the example 2.

Fig. 9 is a schematic perspective view of a dissected segment of the example 3.

Fig. 10 is a schematic perspective view of a dissected segment of the example 4.

Fig. 11 is a schematic perspective view of a dissected segment of the example 5.

FIG. 12 is a schematic, anatomical perspective view of one of the skeletal members used in FIG. 11.

FIG. 13 is a schematic, anatomical perspective view of yet another type of skeletal member used in FIG. 11.

FIG. 14 is a schematic, anatomical perspective view of yet another alternative form of the skeletal member used in FIG. 11.

FIG. 15 is a schematic perspective view of a portion of the expansion member used in FIG. 11 after dissection.

Fig. 16 is a schematic cross-sectional structure diagram of the butterfly light unit used in fig. 11.

Fig. 17 is a schematic perspective view of a dissected segment of the example 6.

FIG. 18 is a schematic perspective view of a dissected segment of the example 7.

Fig. 19 is a schematic perspective view of a dissected segment of the example 8.

Fig. 20 is a schematic perspective view of a dissected segment of the example 9.

In order that those skilled in the art will more accurately and clearly understand and practice the present application, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which: 1-framework part, 2-expansion part, 3-butterfly light unit, 4-central reinforcement, 10-central cavity, 11-framework body, 12-framework extension bar, 13-clamping part, 20-expansion cavity, 21-first limit bar, 22-second limit bar, 23-limit gap, 31-butterfly light unit sheath, 32-light transmission part, 33-reinforcement element, 34-tearing opening, 5-heat shrink tube, 51-heat shrink groove, 16-framework body groove, 14-clamping part hole, 15-framework body hole, 24-first clamping groove, 25-second clamping groove, H-butterfly light unit sheath height, W-butterfly light unit sheath width, 61-reinforcement core, 62-reinforcement sleeve, 7-outer sheath, 8-insulated wire.

Detailed Description

Examples 1

Referring to fig. 1 to 7, an easily expandable butterfly-shaped drop cable comprises a framework part 1, three expansion parts 2, three butterfly-shaped optical units 3 and a central reinforcing part 4, wherein each butterfly-shaped optical unit 3 consists of a butterfly-shaped optical unit sheath 31, an optical transmission part 32 and two reinforcing elements 33, the optical transmission part is positioned in the center of the butterfly-shaped optical unit sheath, the two reinforcing elements are respectively positioned above and below the optical transmission part, the butterfly-shaped optical unit sheath covers the optical transmission part and the reinforcing elements, and the butterfly-shaped optical unit sheaths on the left side and the right side of the optical transmission part are provided with tearing ports 34; the method is characterized in that: the framework component 1 comprises a framework body 11, three framework extension bars 12 and three clamping components 13, wherein a central cavity 10 is formed in the framework body 11, one ends of the three framework extension bars 12 extend outwards from the outer edge of the framework body 11, each clamping component 13 is located at the other end of one framework extension bar 12, and the connection position of the other end of each framework extension bar 12 and each clamping component 13 is located at the position close to the center of the clamping component 13; the expansion part 2 is of a cuboid structure, an expansion cavity 20 is arranged inside the expansion part, an opening is formed in the middle of the lower side wall body of the expansion part to form a limiting gap 23, the left side of the lower side wall body of the expansion part is called a first limiting strip 21, and the right side of the lower side wall body of the expansion part is called a second limiting strip 22; a clamping part 13 is clamped into the expansion cavity 20 of each expansion part 2, the clamping part 13 is attached to the upper surface of the lower side wall body of the expansion part, a butterfly light unit is arranged in each expansion cavity 20 and is positioned above the lower side wall body of the expansion part in the expansion cavity; a central stiffener is positioned within the central cavity.

EXAMPLES example 2

Referring to fig. 8, and to fig. 1 to 7, an expandable butterfly-shaped drop cable is basically the same as embodiment 1 except that the central strength member is replaced with a heat shrinkable tube 5.

EXAMPLE 3

Referring to fig. 9 and fig. 1 to 8, an expandable butterfly-shaped drop cable is substantially the same as embodiment 2, except that: the heat shrinkable tube 5 has a heat shrinkable groove 51, and the frame body has a frame body groove 16.

EXAMPLE 4

Referring to fig. 10 and fig. 1 to 7, an expandable butterfly-shaped drop cable is substantially the same as embodiment 1 except that a central strength member is omitted.

EXAMPLE 5

Referring to fig. 11, 15 to 16, an easily expandable butterfly-shaped drop cable includes a frame member 1, four expansion members 2, and four butterfly-shaped optical units 3, where the butterfly-shaped optical unit 3 is composed of a butterfly-shaped optical unit sheath 31, an optical transmission member 32, and two reinforcing elements 33, the optical transmission member is located in the center of the butterfly-shaped optical unit sheath, the two reinforcing elements are located above and below the optical transmission member, respectively, the butterfly-shaped optical unit sheath covers the optical transmission member and the reinforcing elements, and the edges of the butterfly-shaped optical unit sheaths on the left and right sides of the optical transmission member are provided with tearing ports 34; the method is characterized in that: the height H of the butterfly-shaped light unit sheath ranges from 2.6 mm to 3.2mm, the width W of the butterfly-shaped light unit sheath ranges from 1.6 mm to 2.2mm, the upper edge of the butterfly-shaped light unit sheath is a part of a first cylindrical surface, the lower edge of the butterfly-shaped light unit sheath is a part of a second cylindrical surface, and the axis of a cylinder where the first cylindrical surface is located is coincident with the axis of a cylinder where the second cylindrical surface is located; the framework component 1 comprises a framework body 11, four framework extension bars 12 and four clamping components 13, wherein a central cavity 10 is formed in the framework body 11, one ends of the four framework extension bars 12 extend outwards from the outer edge of the framework body 11, each clamping component 13 is located at the other end of one framework extension bar 12, the connection position of the other end of each framework extension bar 12 and each clamping component 13 is located at the position close to the center of the corresponding clamping component 13, and each clamping component 13 is a part of a circular cylinder; the cross section of the expansion part 2 is a door-shaped structure, an expansion cavity 20 is arranged inside the expansion part, an opening is arranged in the center of the lower part of the expansion part, the opening is called a limiting gap 23, the lower end of the left side wall body of the expansion part is bent inwards to form a first limiting strip 21, a first clamping groove 24 is arranged between the first limiting strip 21 and the left side wall body of the expansion part, the lower end of the right side wall body of the expansion part is bent inwards to form a second limiting strip 22, a second clamping groove 25 is arranged between the second limiting strip 22 and the right side wall body of the expansion part, a clamping part 13 is clamped into the expansion cavity 20 of each expansion part 2, the clamping part 13 is clamped into the first clamping groove 24 and the second clamping groove 25 of the expansion part, and a butterfly-shaped light unit is arranged in each expansion cavity 20 and is positioned above the expansion part in the expansion cavity.

Referring to fig. 13, an expandable butterfly-shaped drop cable is basically the same as the above, except that the engaging member has a plurality of engaging member holes 14, which are formed through the frame extension and the engaging member.

Referring to fig. 14, an expandable butterfly-shaped drop cable is basically the same as the above, except that the engaging member has a plurality of engaging member holes 14, and the engaging member holes are formed through the frame extension bar and the engaging member; the framework body 11 between the adjacent framework extension bars 12 is provided with a framework body hole 15 penetrating through the wall body of the framework body.

The butterfly-shaped drop cable easy to expand is characterized in that the number of the framework extension bars in the framework part is not limited to four, and can be more than four; the number of the engaging members in the frame member is not limited to four, and may be other plural; accordingly, the number of the expansion members is not limited to four, and may be other plural.

EXAMPLE 6

Referring to fig. 17, and to fig. 11 to 16, an easily expandable butterfly-shaped lead-in optical/electrical composite cable is substantially the same as embodiment 5 except that: the central cavity is internally provided with a reinforcing component, the reinforcing component is composed of a reinforcing core 61 and a reinforcing sleeve 62 coated outside the reinforcing core, the reinforcing core is a component capable of transmitting electric power, and the material of the reinforcing sleeve is plastic. The component that can carry electric power can be a conductor or a multi-core cable body or a coaxial cable body.

The embodiment can also be an easily expandable butterfly-shaped drop cable, which is basically the same as the embodiment 5 except that: the central cavity is internally provided with a reinforcing component, the reinforcing component is composed of a reinforcing core 61 and a reinforcing sleeve 62 coated outside the reinforcing core, the reinforcing core is made of steel wires or glass fiber reinforced plastics, and the reinforcing sleeve is made of plastics.

EXAMPLES example 7

Referring to fig. 18 and fig. 11 to 17, an expandable butterfly-shaped lead-in optical/electrical composite cable is basically the same as embodiment 6, except that an outer sheath 7 is provided outside the expansion member, so that further protection of the cable can be achieved.

The embodiment can also be an easily expandable butterfly-shaped drop cable, which is basically the same as the embodiment 6, except that the expansion part is provided with an outer sheath 7, so that further protection of the cable can be realized.

EXAMPLES example 8

Referring to fig. 19, and to fig. 11 to 16, an easily expandable butterfly-shaped lead-in optical/electrical composite cable is substantially the same as embodiment 5 except that: there are two insulated conductors 8 within the expansion cavity of both expansion components.

EXAMPLES example 9

Referring to fig. 20 and fig. 11 to 16, an easily expandable butterfly-shaped lead-in optical/electrical composite cable is substantially the same as embodiment 8, except that: the carcass body has carcass body slots 16 therein.

An expandable butterfly-shaped lead-in optical-electrical composite cable is described herein, and is characterized by having an insulated conductor within at least one expansion member, and a butterfly-shaped optical element within at least one expansion member.

An easily extendable butterfly drop cable as described herein, wherein the skeletal member is a unitary structure.

An expandable butterfly-shaped drop cable as described in the present application, characterized in that the material of said skeleton part is plastic or metal.

An easily extendable butterfly-shaped drop cable as described herein, wherein the extension member is a unitary structure.

An easily extendable butterfly-shaped drop cable as described herein, wherein the material of the extension member is plastic or metal.

An expandable butterfly-shaped drop cable as described in the present application, characterized in that the material of the butterfly-shaped optical unit sheath is plastic.

An expandable butterfly-shaped drop cable as described in the present application, characterized in that the material of said optical transmission part is an optical fiber or a part with an optical fiber.

An easily-expandable butterfly-shaped drop cable is characterized in that a material of the reinforcing element is a steel wire or glass fiber reinforced plastic or aramid yarn or copper wire or aluminum wire or lead wire.

The butterfly-shaped introducing optical cable easy to expand is characterized in that the number of the expanding parts is not limited to three, and the number of the expanding parts can be more than three; the butterfly light units are not limited to three, and may be a plurality of butterfly light units.

The cable fixing device is simple in construction, easy to master and firmer and more reliable in cable fixing; the heat shrinkable tube in the present application is a mature technology and is easily purchased in the markets of Taobao and hardware, so detailed description is not given.

The application said butterfly-shaped introducing optical cable of easy expansion, its characterized in that the material of central reinforcement is steel wire or glass fiber reinforced plastics or copper wire or aluminium silk or lead wire, or is combined material the material refers to inside steel wire or glass fiber reinforced plastics or copper wire or aluminium silk or lead wire or aramid yarn, and outside cladding has the material of plastics.

The heat shrinkable tube can be shrunk when being heated to a certain temperature; the heat shrinkable tube in the present application can also be used in any one of practical examples 5 to 9.

In the application, the framework extension bars can be symmetrically distributed outside the framework body; adjacent expansion members do not touch.

The insulated wire consists of a conductor and an insulating layer coated outside the conductor, wherein the conductor is made of copper or aluminum or alloy, and the insulating layer is made of plastic.

The light units can be conveniently expanded, and the butterfly-shaped light units and the expansion components which are as many as the framework extension bars are not necessarily arranged in practical use; can be less, and can be expanded according to the needs, so the use is more flexible and convenient; when the central reinforcing piece is not arranged, the reinforcing piece can penetrate through the central cavity to be fixed in construction; when the central reinforcing part is arranged, the central reinforcing part is fixed at the required length; when having pyrocondensation groove, skeleton body groove, during the construction, make the reinforcement side fill in skeleton body inslot, fill in the pyrocondensation inslot again, heat the skeleton body and make reinforcement and pyrocondensation pipe firmly combine to make skeleton body and pyrocondensation pipe firmly combine, when the construction, reinforcement can rotate an angle after going into the pyrocondensation inslot and avoid skeleton body groove, the sealing in skeleton body groove can scribble the viscose at the terminal surface.

In the application, the cross section of the butterfly-shaped light unit sheath is preferably rectangular or oval, the cross section of the butterfly-shaped light unit sheath can be matched with the shape of the expansion cavity, and in addition, the butterfly-shaped light unit sheath presses the clamping part and the inner wall of the top end of the expansion part, so that the structure is stable and reliable; in addition, the positions of the expansion component and the clamping component can be fixed by utilizing the gravity of the butterfly-shaped light unit and the expansion component, so that the structure is stable and reliable.

In this application, the technical effect of quick heat dissipation has been realized to block part hole and skeleton body hole.

The photoelectric composite cable can transmit not only optical signals but also electric power, weak current signals, cable television signals and the like.

The fixing device has the beneficial technical effects of simple structure, easiness in manufacturing, high manufacturing qualification rate, easiness in assembling and laying, easiness in expanding, excellent fixing effect and the like.

The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims

1. An easily-expanded butterfly-shaped leading-in optical cable comprises a framework part (1), a plurality of expansion parts (2) and a plurality of butterfly-shaped optical units (3), wherein each butterfly-shaped optical unit (3) consists of a butterfly-shaped optical unit sheath (31), an optical transmission part (32) and two reinforcing elements (33), the optical transmission part is positioned in the center of the butterfly-shaped optical unit sheath, the two reinforcing elements are respectively positioned above and below the optical transmission part, the butterfly-shaped optical unit sheath covers the optical transmission part and the reinforcing elements, and the edges of the butterfly-shaped optical unit sheaths on the left side and the right side of the optical transmission part are provided with tearing openings (34); the method is characterized in that: the range of the height (H) of the butterfly-shaped light unit sheath is 2.6-3.2 mm, the range of the width (W) of the butterfly-shaped light unit sheath is 1.6-2.2 mm, the upper edge of the butterfly-shaped light unit sheath is a part of a first cylindrical surface, the lower edge of the butterfly-shaped light unit sheath is a part of a second cylindrical surface, and the axis of a cylinder where the first cylindrical surface is located is coincident with the axis of a cylinder where the second cylindrical surface is located; the framework component (1) is composed of a framework body (11), a plurality of framework extension bars (12) and a plurality of clamping components (13), a central cavity (10) is formed in the framework body (11), one end of each framework extension bar (12) extends outwards from the outer edge of the framework body (11), each clamping component (13) is located at the other end of one framework extension bar (12), the connection position of the other end of each framework extension bar (12) and each clamping component (13) is located at the position close to the center of the clamping component (13), and each clamping component (13) is a part of a circular cylinder; the cross section of the expansion part (2) is of a door-shaped structure, an expansion cavity (20) is arranged inside the expansion part, an opening is arranged in the center of the lower part of the expansion part, the opening is called as a limiting gap (23), the lower end of the left side wall body of the expansion part is bent inwards to form a first limiting strip (21), a first clamping groove (24) is formed between the first limiting strip (21) and the left side wall body of the expansion part, the lower end of the right side wall body of the expansion part is bent inwards to form a second limiting strip (22), a second clamping groove (25) is formed between the second limiting strip (22) and the right side wall body of the expansion part, one clamping part (13) is clamped into the expansion cavity (20) of each expansion part (2), the clamping part (13) is clamped into the first clamping groove (24) and the second clamping groove (25) of the expansion part, and a butterfly-shaped light unit is arranged in each expansion cavity (20) and is positioned above the expansion part in the expansion cavity; the skeleton component is of an integrated structure; the expansion member is a unitary structure.

2. An expandable butterfly drop cable according to claim 1, wherein the engagement member has a plurality of engagement member holes (14) extending through the backbone extension and the engagement member.

3. The expandable butterfly-shaped drop cable of claim 1, wherein the latch member has a plurality of latch member holes (14) formed therein, the latch member holes extending through the backbone extension and the latch member; the framework body (11) between the adjacent framework extension bars (12) is provided with a framework body hole (15) which penetrates through the wall body of the framework body.

4. A readily expandable butterfly-shaped drop cable according to claim 1 or claim 2 or claim 3, characterized in that the carcass body is provided with carcass body grooves (16).

5. An easily expandable butterfly-shaped drop cable according to claim 4, further comprising a heat shrink tube (5) located within the central cavity; the heat shrinkable tube is provided with a heat shrinkable groove (51), and the skeleton body is provided with a skeleton body groove (16).

6. An easily-expanded butterfly-shaped leading-in optical cable comprises a framework part (1), a plurality of expansion parts (2) and a plurality of butterfly-shaped optical units (3), wherein each butterfly-shaped optical unit (3) consists of a butterfly-shaped optical unit sheath (31), an optical transmission part (32) and two reinforcing elements (33), the optical transmission part is positioned in the center of the butterfly-shaped optical unit sheath, the two reinforcing elements are respectively positioned above and below the optical transmission part, the butterfly-shaped optical unit sheath covers the optical transmission part and the reinforcing elements, and the edges of the butterfly-shaped optical unit sheaths on the left side and the right side of the optical transmission part are provided with tearing openings (34); the method is characterized in that: the framework component (1) is composed of a framework body (11), a plurality of framework extension bars (12) and a plurality of clamping components (13), a central cavity (10) is formed in the framework body (11), one end of each framework extension bar (12) extends outwards from the outer edge of the framework body (11), each clamping component (13) is located at the other end of one framework extension bar (12), and the connection position of the other end of each framework extension bar (12) and each clamping component (13) is located at the position, close to the center, of each clamping component (13); the expansion component (2) is of a cuboid structure, an expansion cavity (20) is arranged inside the expansion component, an opening is formed in the middle of the lower side wall body of the expansion component to form a limiting gap (23), the left side of the lower side wall body of the expansion component is called a first limiting strip (21), and the right side of the lower side wall body of the expansion component is called a second limiting strip (22); a clamping part (13) is clamped into the expansion cavity (20) of each expansion part (2) and the clamping part (13) is attached to the upper surface of the lower side wall body of the expansion part, a butterfly-shaped light unit is arranged in each expansion cavity (20) and is positioned above the lower side wall body of the expansion part in the expansion cavity; the butterfly-shaped easy-to-expand drop cable is also provided with a heat shrink tube (5), and the heat shrink tube is positioned in the central cavity; the heat shrinkable tube is provided with a heat shrinkable groove (51), and the framework body is provided with a framework body groove (16); the skeleton component is of an integrated structure; the expansion member is a unitary structure.

7. An easily-expanded butterfly-shaped introduced photoelectric composite cable comprises a framework part (1), a plurality of expansion parts (2), at least one butterfly-shaped optical unit (3) and at least one insulated wire, wherein the butterfly-shaped optical unit (3) consists of a butterfly-shaped optical unit sheath (31), an optical transmission part (32) and two reinforcing elements (33), the optical transmission part is positioned in the center of the butterfly-shaped optical unit sheath, the two reinforcing elements are respectively positioned above and below the optical transmission part, the butterfly-shaped optical unit sheath covers the optical transmission part and the reinforcing elements, the edges of the butterfly-shaped optical unit sheaths on the left side and the right side of the optical transmission part are provided with tearing openings (34), the insulated wire consists of a conductor and an insulating layer covering the conductor, the conductor is made of copper or aluminum or alloy, and the insulating layer is made of plastic; the method is characterized in that: the range of the height (H) of the butterfly-shaped light unit sheath is 2.6-3.2 mm, the range of the width (W) of the butterfly-shaped light unit sheath is 1.6-2.2 mm, the upper edge of the butterfly-shaped light unit sheath is a part of a first cylindrical surface, the lower edge of the butterfly-shaped light unit sheath is a part of a second cylindrical surface, and the axis of a cylinder where the first cylindrical surface is located is coincident with the axis of a cylinder where the second cylindrical surface is located; the framework component (1) is composed of a framework body (11), a plurality of framework extension bars (12) and a plurality of clamping components (13), a central cavity (10) is formed in the framework body (11), one end of each framework extension bar (12) extends outwards from the outer edge of the framework body (11), each clamping component (13) is located at the other end of one framework extension bar (12), the connection position of the other end of each framework extension bar (12) and each clamping component (13) is located at the position close to the center of the clamping component (13), and each clamping component (13) is a part of a circular cylinder; the cross section of the expansion part (2) is of a door-shaped structure, an expansion cavity (20) is arranged inside the expansion part, an opening is arranged in the center of the lower part of the expansion part, the opening is called as a limiting gap (23), the lower end of the left side wall body of the expansion part is bent inwards to form a first limiting strip (21), a first clamping groove (24) is formed between the first limiting strip (21) and the left side wall body of the expansion part, the lower end of the right side wall body of the expansion part is bent inwards to form a second limiting strip (22), a second clamping groove (25) is formed between the second limiting strip (22) and the right side wall body of the expansion part, one clamping part (13) is clamped into the expansion cavity (20) of each expansion part (2), the clamping part (13) is clamped into the first clamping groove (24) and the second clamping groove (25) of the expansion part, and at least one expansion cavity (20) is provided with a butterfly-shaped light unit which is positioned above the expansion part in the expansion cavity; at least one of the expansion cavities (20) has an insulated wire therein; the framework body is provided with a framework body groove (16); the skeleton component is of an integrated structure; the expansion member is a unitary structure.

8. The expandable butterfly-shaped drop photoelectric composite cable according to claim 7, further comprising a heat-shrinkable tube (5) disposed in the central cavity; the heat shrinkable tube is provided with a heat shrinkable groove (51).

9. A cable construction method, wherein the easily-expandable butterfly-shaped drop optical cable of claim 4 or the easily-expandable butterfly-shaped drop optical-electrical composite cable of claim 7 is used, and the construction method comprises the following steps: the framework body groove is separated, the framework parts are sleeved on the erected reinforcing ribs, the framework body is wound to be integrally coated on the reinforcing ribs, then the quick-drying adhesive is sprayed from the framework body groove, the quick-drying adhesive is also sprayed from the framework body groove, a period of time is kept, and the construction and the laying of the cable are completed.

10. A cable construction method, wherein the easily-expandable butterfly-shaped drop optical cable of claim 4 or the easily-expandable butterfly-shaped drop optical-electrical composite cable of claim 7 is used, and the construction method comprises the following steps: the reinforcing rib is plugged into the heat shrinkage groove and enters the heat shrinkage pipe, the heat shrinkage pipe rotates by an angle to enable the heat shrinkage groove to be staggered with the framework groove, the framework body is heated to enable the heat shrinkage pipe to tightly coat the reinforcing rib and firmly adhere to the inner wall of the framework body, then quick-drying viscose is sprayed on the framework groove, a period of time is kept, and construction and laying of the cable are completed.