Combined butterfly-shaped optical cable

Abstract

The invention belongs to the technical field of optical cables, and discloses a combined butterfly-shaped optical cable which is provided with an outer protective layer and four first butterfly-shaped units, the outer protective layer is in a square shape, the middle portions of the four edges of the square shape are each provided with an outer reinforcing piece protective layer, and the center of the interior of the outer protective layer is provided with an inner reinforcing piece protective layer; the inner reinforcer protection layer is connected with the four outer reinforcer protection layers through connecting layers respectively, the four connecting layers divide the interior of the outer protection layer into four containing cavities, and a first butterfly-shaped unit matched with the containing cavity in shape is arranged in each containing cavity; the optical fiber has the beneficial effects of simple and stable structure, excellent tensile property, high fiber core capacity, multiple use scenes, good optical fiber protection effect and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of optical cables, and in particular discloses a combined butterfly optical cable. Background Art

[0002] Butterfly optical cables are widely used as an important carrier of FTTH fiber-to-the-home, such as non-self-supporting GJXH optical cables, self-supporting GJYXCH optical cables, and duct-type GJYXHA optical cables.

[0003] In the prior art, CN118502048A discloses a combined butterfly optical cable, including a suspension line and a communication unit, the suspension line and the communication unit are connected by a suspension belt, the communication unit includes a cable unit, an inner sheath layer, an optical cable unit and an outer sheath layer arranged in sequence from the inside to the outside; the optical cable unit includes a plurality of butterfly cables that are centrally symmetrical and spaced apart, and a connector arranged between two adjacent butterfly cables; tearing portions are respectively provided on both sides of the butterfly cable, the tearing portions include a first incision extending inward from the outside of the butterfly cable, and a second incision extending outward from the end of the first incision, the first incision and the second incision form a tearing opening recessed toward the center of the cable core, the length of the second incision is less than the length of the first incision, the second incision is flipped along its fixed end to form a gap in the tearing opening, and the two ends of the connector are respectively inserted into the gaps between the two adjacent butterfly cables.

[0004] The above-mentioned prior art has the following shortcomings: the structure is relatively complex, and the cable core structure is relatively unstable, the optical cable unit structure is single, the scope of use is narrow, the tensile effect is poor, the positions of adjacent butterfly cables affect each other, which is not conducive to structural stability, the protection effect on the optical fiber is poor, the optical fiber capacity in the butterfly cable is small, and the butterfly cable cannot be laid independently and self-supportingly. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to disclose a combined butterfly optical cable, which is implemented by adopting the following technical solutions.

[0006] A combined butterfly optical cable comprises an outer sheath and four first butterfly units, wherein the outer sheath is in a regular quadrilateral shape, an outer reinforcement sheath is respectively provided in the middle of the four sides of the regular quadrilateral, an inner reinforcement sheath is provided in the center of the outer sheath, the inner reinforcement sheath is connected to the four outer reinforcement sheaths respectively through a connecting layer, the four connecting layers separate the interior of the outer sheath into four accommodating cavities, a first butterfly unit matching the shape of the accommodating cavity is provided in the accommodating cavity, an inner reinforcement is provided in the inner reinforcement sheath, and an outer reinforcement is provided in the outer reinforcement sheath.

[0007] In the above-mentioned combined butterfly optical cable, the outer reinforcement sheath is a regular quadrilateral, the inner reinforcement sheath is a regular quadrilateral, one end of the connecting layer is connected to the vertex of an angle of the inner reinforcement sheath, the other end of the connecting layer is connected to a corresponding side of the outer reinforcement sheath, and the connecting layer is perpendicular to the side, the two opposite connecting layers are located in the same straight line and pass through the center of the inner reinforcement sheath, and the connecting layer is perpendicular to a side of the outer sheath on the corresponding side.

[0008] In the above-mentioned combined butterfly optical cable, the first butterfly unit is composed of a first butterfly unit sheath, the first butterfly unit sheath is composed of two symmetrical butterfly wing components, the two right-angle bayonet holes are respectively located on the left and right sides of the connection between the two butterfly wing components, the optical fiber is located in the first butterfly unit sheath between the two right-angle bayonet holes, and the butterfly wing component has two first side walls; The two first side walls of one butterfly wing component are respectively attached to the corresponding two connecting layers, and the two first side walls of the other butterfly wing component are respectively attached to the corresponding two edges of the outer protective layer, and the right-angle snap-fit ​​is snap-fitted to the corners of the two outer reinforcement protective layers in the accommodating cavity.

[0009] In the above-mentioned combined butterfly optical cable, a protective component is also provided in the butterfly wing component, and the protective component is composed of two first protective component bodies and a second protective component body, the two ends of the second protective component body are respectively connected to one end of the two first protective component bodies, a first side wall is parallel to a first protective component body of the corresponding protective component, and the other first side wall is parallel to the other first protective component body of the corresponding protective component.

[0010] The above-mentioned combined butterfly optical cable has an outer reinforcement member sheath and an outer reinforcement member, and an inner reinforcement member is arranged inside the inner reinforcement member sheath. The outer reinforcement member and the inner reinforcement member are steel wires or glass fiber reinforced plastic rods.

[0011] In the above-mentioned combined butterfly optical cable, the outer sheath, the outer reinforcement sheath, the inner reinforcement sheath and the connecting layer are integrally formed.

[0012] A combined butterfly optical cable comprises an outer sheath and a cable core, wherein the cable core is located inside the outer sheath, the cable core is composed of n+1 second butterfly units and n third butterfly units, wherein n is a positive integer, the n+1 second butterfly units and the n third butterfly units are arranged at intervals from left to right, the second butterfly unit is composed of two first butterfly units, a square common suspension wire sheath and a common suspension wire, and the common suspension wire is located inside the common suspension wire sheath; The third butterfly-shaped unit is composed of a first butterfly-shaped unit, two square independent suspension wire sheaths and two independent suspension wires, wherein the independent suspension wires are located in corresponding independent suspension wire sheaths; The first butterfly unit is composed of a first butterfly unit sheath and at least one optical fiber, the first butterfly unit sheath is composed of two symmetrical butterfly wing components, a right-angle bayonet is respectively provided on the left and right sides of the connection of the two butterfly wing components, the optical fiber is located in the first butterfly unit sheath between the two right-angle bayonet, and the butterfly wing component has two first side walls and one second side wall; One end of the first side wall of the butterfly wing component is connected to the end of one side of the right-angle bayonet on the same side of the first side wall and located on the butterfly wing component, and both ends of the second side wall of the butterfly wing component are respectively connected to the other ends of the two first side walls; In the third butterfly unit, one corner of the two independent suspension wire sheaths is located in the corresponding right-angle bayonet, and the two sides of the corner are attached to and fixed to the two side portions of the corresponding right-angle bayonet; In the second butterfly-shaped unit, the common suspension wire sheath is located between the two first butterfly-shaped units, and one second side wall of the two first butterfly-shaped units respectively overlaps and is fixed with one of the two opposite sides of the common suspension wire sheath; The two second side walls of the third butterfly unit respectively overlap with one side corresponding to the common suspension wire sheath of the two adjacent second butterfly units, the two first side walls on the left side of the third butterfly unit overlap with the right side of the common suspension wire sheath of the second adjacent butterfly unit on the left and the two first side walls adjacent to the common suspension wire sheath, and the two first side walls on the right side of the third butterfly unit overlap with the left side of the common suspension wire sheath of the second adjacent butterfly unit on the right and the two first side walls adjacent to the common suspension wire sheath.

[0013] In the above-mentioned combined butterfly optical cable, when n=2, a second butterfly unit is respectively provided on the upper and lower sides of the cable core, an edge of the lower side of the common suspension wire sheath of the second butterfly unit on the upper side overlaps and abuts against the second side wall of the uppermost side of the second butterfly unit in the middle of the cable core, two adjacent lower side first side walls of the common suspension wire sheath of the second butterfly unit on the upper side overlap and abut against the two corresponding first side walls of the uppermost side of the second butterfly unit in the middle of the cable core, the uppermost corners of the independent suspension wire sheaths on the upper sides of the two third butterfly units of the cable core are respectively located in the two corresponding right-angle slots on the lower side of the second butterfly unit on the upper side, and the two sides of this corner abut against the two sides of the corresponding right-angle slots, the first side wall of the lower left side of the second butterfly unit on the upper side overlaps and abuts against the first side wall of the upper right side of the second butterfly unit on the left side of the cable core, and the first side wall of the lower right side of the second butterfly unit on the upper side overlaps and abuts against the first side wall of the upper left side of the second butterfly unit on the right side of the cable core; One edge of the upper side of the common suspension wire sheath of the second butterfly-shaped unit on the lower side overlaps and fits with the second side wall of the lowermost side of the second butterfly-shaped unit in the middle of the cable core, the two adjacent upper first side walls of the common suspension wire sheath of the second butterfly-shaped unit on the lower side overlap and fits with the two corresponding first side walls of the lowermost side of the second butterfly-shaped unit in the middle of the cable core, respectively, the lowermost corners of the independent suspension wire sheaths on the lower sides of the two third butterfly-shaped units of the cable core are respectively located in the two corresponding right-angle slots on the upper sides of the second butterfly-shaped unit on the lower side, and the two sides of this corner are respectively in contact with the two sides of the corresponding right-angle slots, the first side wall on the upper left side of the second butterfly-shaped unit on the lower side overlaps and fits with the first side wall on the lower right side of the second butterfly-shaped unit on the left side of the cable core, and the first side wall on the upper right side of the second butterfly-shaped unit on the lower side overlaps and fits with the first side wall on the lower left side of the second butterfly unit on the right side of the cable core.

[0014] In the above-mentioned combined butterfly optical cable, a protective component is also provided in the butterfly wing component, and the protective component is composed of two first protective component bodies and a second protective component body, the two ends of the second protective component body are respectively connected to one end of the two first protective component bodies, a first side wall is parallel to a first protective component body of the corresponding protective component, the other first side wall is parallel to the other first protective component body of the corresponding protective component, and the second side wall is parallel to the second protective component body of the corresponding protective component.

[0015] In the above-mentioned combined butterfly optical cable, the first butterfly unit sheath of the third butterfly unit and the two independent suspension wire sheaths are integrally formed.

[0016] In the above-mentioned combined butterfly-shaped optical cable, the common suspension wire sheath of the second butterfly-shaped unit and the sheaths of the two first butterfly-shaped units are integrally formed.

[0017] In the above-mentioned combined butterfly optical cable, the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.

[0018] In the above-mentioned combined butterfly optical cable, the common suspension wire is a steel wire or a glass fiber reinforced plastic rod.

[0019] In the above-mentioned combined butterfly optical cable, the independent suspension wire is a steel wire or a glass fiber reinforced plastic rod.

[0020] In the above-mentioned combined butterfly optical cable, the material of the protective component is steel.

[0021] The present application has the following beneficial effects: 1. Four external reinforcement members and one internal reinforcement member are provided, and the four external reinforcement members are located above, below, left and right of the internal reinforcement member, so that the optical cable can withstand greater tension, the force is more uniform, and the tensile resistance effect is better.

[0022] 2. One corner of two adjacent outer reinforcement members is clamped on the corresponding right-angled slot of the first butterfly-shaped unit, which has a better fixing effect on the first butterfly-shaped unit.

[0023] 3. The four first butterfly-shaped units are respectively located in four independent accommodating cavities, and damage to one accommodating cavity will not affect the first butterfly-shaped units in other accommodating cavities.

[0024] 4. Two protective components are arranged in the first butterfly-shaped unit, and the optical fiber is located between the two protective components, which not only makes the first butterfly-shaped unit have good tensile strength, but also can better protect the optical fiber.

[0025] 5. The space between the two protection components is larger, which can protect more optical fibers.

[0026] 6. The third butterfly-shaped unit also has two independent suspension lines, which make the third butterfly-shaped unit more resistant to tension, and the two independent suspension lines can make the third butterfly-shaped unit self-supporting, expanding the use scenarios of the third butterfly-shaped unit.

[0027] 7. The second butterfly unit is composed of two first butterfly units, a common suspension wire sheath and a common suspension wire, so that there are more optical fibers in the second butterfly unit, and the second butterfly unit can also be laid in a self-supporting manner, expanding the use scenario of the third butterfly unit.

[0028] 8. Multiple third butterfly-shaped units and multiple second butterfly-shaped units can be combined to form cable cores of different shapes, which not only increases the number of fiber cores in the optical cable, but also can meet the user's needs for different butterfly-shaped units, and the combined cable core structure is more stable.

[0029] 9. The right-angle bayonet can also be used as a tearing hole to facilitate access to optical fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the three-dimensional structure of a section of Example 1 of the present invention.

[0031] Figure 2 It is a front view of embodiment 1 of the present invention.

[0032] Figure 3 It is a front view of the outer sheath of Example 1 of the present invention.

[0033] Figure 4 It is a front view of the first butterfly unit of Example 1 of the present invention.

[0034] Figure 5 It is a front view of the protective component of Example 1 of the present invention.

[0035] Figure 6 It is a front view of embodiment 2 of the present invention.

[0036] Figure 7 It is a front view of the second butterfly unit of Example 2 of the present invention.

[0037] Figure 8 It is a front view of the third butterfly unit of Example 2 of the present invention.

[0038] Fig. 9 It is a front view of embodiment 3 of the present invention.

[0039] In the figure, the names of the figures corresponding to the figure numbers are: 1. outer sheath, 11. outer sheath body, 12. outer reinforcement sheath, 13. outer reinforcement, 14. inner reinforcement sheath, 15. inner reinforcement, 16. connection layer, 17. accommodating cavity, 2. first butterfly unit, 21. first butterfly unit sheath, 22. protective component, 221. first protective component body, 222. second protective component body, 23. optical fiber, 24. first side wall, 25. second side wall, 26. right-angle bayonet, 3. second butterfly unit, 31. common suspension wire sheath, 32. common suspension wire, 4. third butterfly unit, 41. independent suspension wire sheath, 42. independent suspension wire. DETAILED DESCRIPTION

[0040] Example 1: Figures 1 to 4 A combined butterfly optical cable comprises an outer sheath 1 and four first butterfly units 2, wherein the outer sheath 1 is composed of four outer sheath bodies 11, four square outer reinforcement sheaths 12, four outer reinforcements 13, a square inner reinforcement sheath 14, an inner reinforcement 15 and four connection layers 16, wherein the four outer reinforcements 13 are respectively located above, below, left and right of the inner reinforcement 15, the outer reinforcement sheath 12 is extruded outside the corresponding outer reinforcement 13, and the inner reinforcement sheath 14 is extruded outside the corresponding inner reinforcement 15; The left side wall of the upper outer reinforcement sheath 12 and the upper side wall of the outer reinforcement sheath 12 on the left are connected through an outer sheath body 11, the right side wall of the upper outer reinforcement sheath 12 and the upper side wall of the outer reinforcement sheath 12 on the right are connected through an outer sheath body 11, the left side wall of the lower outer reinforcement sheath 12 and the lower side wall of the outer reinforcement sheath 12 on the left are connected through an outer sheath body 11, and the right side wall of the lower outer reinforcement sheath 12 and the lower side wall of the outer reinforcement sheath 12 on the right are connected through an outer sheath body 11; A corner of the inner reinforcement sheath 14 is connected to a side wall of the corresponding outer reinforcement sheath 12 via a connecting layer 16. The connecting layer 16 forms an angle of 135° with the adjacent side wall of the inner reinforcement sheath 14. The connecting layer 16 is perpendicular to the connected side wall of the corresponding outer reinforcement sheath 12. An accommodating cavity 17 is formed between the outer sheath body 11 between two adjacent outer reinforcement sheaths 12 and the corresponding two connecting layers 16, and a first butterfly-shaped unit 2 is disposed in the accommodating cavity 17; The first butterfly unit 2 is composed of a first butterfly unit sheath 21, two protection components 22 and a plurality of optical fibers 23. The first butterfly unit sheath 21 is composed of two symmetrical butterfly wing components. A right-angle bayonet 26 is provided on each side of the connection between the two butterfly wing components. The protection component 22 is located in the corresponding butterfly wing component. The protection component 22 is composed of two first protection component bodies 221 and a second protection component body 222. The two ends of the second protection component body 222 are respectively connected to one end of the two first protection component bodies 221. The openings of the two protection components 22 are opposite to each other. The plurality of optical fibers 23 are located in the first butterfly unit sheath 21 between the two right-angle bayonet 26, and the position Between the two protection components 22, the butterfly wing component has two first side walls 24 and a second side wall 25, one end of the first side wall 24 of the butterfly wing component is connected to the end of a side of the right-angle bayonet 26 on the same side of the first side wall 24 located on the butterfly wing component, and the two ends of the second side wall 25 of the butterfly wing component are respectively connected to the other ends of the two first side walls 24, one first side wall 24 is parallel to a first protection component body 221 of the corresponding protection component 22, the other first side wall 24 is parallel to the other first protection component body 221 of the corresponding protection component 22, and the second side wall 25 is parallel to the second protection component body 222 of the corresponding protection component 22; The two first side walls 24 and one second side wall 25 of one butterfly wing component are respectively attached to the corresponding two connecting layers 16 and a corresponding side edge of the inner reinforcement protective layer 14, the two first side walls 24 and one second side wall 25 of the other butterfly wing component are attached to the outer protective layer body 11, and the two corners of the two outer reinforcement protective layers 12 located in the accommodating cavity 17 are respectively engaged with the corresponding right-angle snap-fits 26.

[0041] In the above-mentioned combined butterfly optical cable, the outer sheath body 11, the outer reinforcement sheath 12, the inner reinforcement sheath 14 and the connection layer 16 are integrally formed.

[0042] In the above-mentioned combined butterfly-shaped optical cable, the outer reinforcement member 13 and the inner reinforcement member 15 are steel wires or glass fiber reinforced plastic rods.

[0043] Example 2: Figures 6 to 8 , and refer to Figure 4 and Figure 5 A combined butterfly optical cable comprises an outer sheath 1 and a cable core, wherein the cable core is located inside the outer sheath 1, the cable core is composed of three second butterfly units 3 and two third butterfly units 4, the second butterfly unit 3 is composed of two first butterfly units 2, a square common suspension wire sheath 31 and a common suspension wire 32, and the common suspension wire 32 is located inside the common suspension wire sheath 31; The first butterfly unit 2 is composed of a first butterfly unit sheath 21, two protection components 22 and a plurality of optical fibers 23. The first butterfly unit sheath 21 is composed of two symmetrical butterfly wing components. A right-angle bayonet 26 is provided on each side of the connection between the two butterfly wing components. The protection component 22 is located in the corresponding butterfly wing component. The protection component 22 is composed of two first protection component bodies 221 and a second protection component body 222. The two ends of the second protection component body 222 are respectively connected to one end of the two first protection component bodies 221. The openings of the two protection components 22 are opposite to each other. The plurality of optical fibers 23 are located in the first butterfly unit sheath 21 between the two right-angle bayonet 26, and the position Between the two protection components 22, the butterfly wing component has two first side walls 24 and a second side wall 25, one end of the first side wall 24 of the butterfly wing component is connected to the end of a side of the right-angle bayonet 26 on the same side of the first side wall 24 located on the butterfly wing component, and the two ends of the second side wall 25 of the butterfly wing component are respectively connected to the other ends of the two first side walls 24, one first side wall 24 is parallel to a first protection component body 221 of the corresponding protection component 22, the other first side wall 24 is parallel to the other first protection component body 221 of the corresponding protection component 22, and the second side wall 25 is parallel to the second protection component body 222 of the corresponding protection component 22; The common suspension wire sheath 31 is located between the two first butterfly-shaped units 2, and one second side wall 25 of the two first butterfly-shaped units 2 is respectively overlapped and fixed with one of the two opposite sides of the common suspension wire sheath 31; The third butterfly unit 4 is composed of a first butterfly unit 2, two square independent suspension wire sheaths 41 and two independent suspension wires 42. The independent suspension wires 42 are located in the corresponding independent suspension wire sheaths 41. One corner of the two independent suspension wire sheaths 41 is located in the corresponding right-angle bayonet 26, and the two sides of the corner are respectively attached to and fixed to the two side parts of the corresponding right-angle bayonet 26. The three second butterfly-shaped units 3 and the two third butterfly-shaped units 4 are arranged at intervals from left to right, and the left and right corners of the independent suspension wire sheath 41 on the upper side of the independent suspension wire sheath 41 are respectively located in the right-angle bayonet 26 on the upper side of the two adjacent second butterfly-shaped units 3, and the two sides of the two corners are respectively attached to and fixed to the two side parts of the corresponding right-angle bayonet 26; The left and right corners of the independent suspension wire sheath 41 below the independent suspension wire sheath 41 are respectively located in the corresponding right-angle bayonet 26 below the two adjacent second butterfly-shaped units 3, and the two sides of the two corners are respectively attached to and fixed to the two side portions of the corresponding right-angle bayonet 26; The two second side walls 25 of the third butterfly unit 4 overlap with the common suspension wire sheath 31 of the two adjacent second butterfly units 3, respectively; the two first side walls 24 on the left side of the third butterfly unit 4 overlap with the two adjacent first side walls 24 on the right side of the common suspension wire sheath 31 of the second butterfly unit 3 adjacent to the left; the two first side walls 24 on the right side of the third butterfly unit 4 overlap with the two adjacent first side walls 24 on the left side of the common suspension wire sheath 31 of the second butterfly unit 3 adjacent to the right.

[0044] Example 3: Fig. 9 , and refer to Figure 4 , Figure 5 Figure 7 and Figure 8 A combined butterfly optical cable, the difference between this embodiment and embodiment 2 is that: a second butterfly unit 3 is respectively provided on the upper and lower sides of the cable core, a lower side edge of the common suspension wire sheath 31 of the second butterfly unit 3 on the upper side overlaps with the second side wall 25 of the uppermost side of the second butterfly unit 3 in the middle of the cable core, and the two adjacent lower side first side walls 24 of the common suspension wire sheath 31 of the second butterfly unit 3 on the upper side overlap with the two corresponding first side walls 24 of the uppermost side of the second butterfly unit 3 in the middle of the cable core, and the two third The uppermost corners of the independent suspension wire sheath 41 on the upper side of the butterfly unit 4 are respectively located in the two corresponding right-angle bayonet holes 26 on the lower side of the second butterfly unit 3 on the upper side, and the two sides of this corner are respectively in contact with the two sides of the corresponding right-angle bayonet holes 26, the first side wall 24 on the lower left side of the second butterfly unit 3 on the upper side overlaps with the first side wall 24 on the upper right side of the second butterfly unit 3 on the left side of the cable core, and the first side wall 24 on the lower right side of the second butterfly unit 3 on the upper side overlaps with the first side wall 24 on the upper left side of the second butterfly unit 3 on the right side of the cable core; An upper side edge of the common suspension wire sheath 31 of the second butterfly unit 3 on the lower side overlaps and abuts against the second side wall 25 on the lowermost side of the second butterfly unit 3 in the middle of the cable core, and the two adjacent upper first side walls 24 of the common suspension wire sheath 31 of the second butterfly unit 3 on the lower side overlap and abuts against the two corresponding first side walls 24 on the lowermost side of the second butterfly unit 3 in the middle of the cable core, respectively. The lowermost corners of the independent suspension wire sheaths 41 on the lower sides of the two third butterfly units 4 of the cable core are respectively located in the two corresponding right-angle slots 26 on the upper sides of the second butterfly unit 3 on the lower side, and the two sides of this corner are respectively abutted against the two sides of the corresponding right-angle slots 26, and the first side wall 24 on the upper left side of the second butterfly unit 3 on the lower side overlaps and abuts against the first side wall 24 on the lower right side of the second butterfly unit 3 on the left side of the cable core, and the first side wall 24 on the upper right side of the second butterfly unit 3 on the lower side overlaps and abuts against the first side wall 24 on the lower left side of the second butterfly unit 3 on the right side of the cable core.

[0045] In the above-mentioned combined butterfly optical cable, the optical fiber 23 is a single-mode optical fiber or a multi-mode optical fiber.

[0046] In the above-mentioned combined butterfly optical cable, the first butterfly unit sheath 21 of the third butterfly unit 4 and the two independent suspension wire sheaths 41 are integrally formed.

[0047] In the above-mentioned combined butterfly-shaped optical cable, the common suspension wire sheath 31 of the second butterfly-shaped unit 3 and the sheaths 21 of the two first butterfly-shaped units are formed in one piece.

[0048] In the above-mentioned combined butterfly optical cable, the common suspension wire 32 is a steel wire or a glass fiber reinforced plastic rod.

[0049] In the above-mentioned combined butterfly optical cable, the independent suspension wire 42 is a steel wire or a glass fiber reinforced plastic rod.

[0050] In the above-mentioned combined butterfly optical cable, the material of the protection component 22 is steel.

[0051] Example 4: Reference Figures 1 to 4 A combined butterfly optical cable comprises an outer sheath 1 and four first butterfly units 2, the outer sheath 1 is a regular quadrilateral, and a regular quadrilateral outer reinforcement sheath 12 is respectively provided in the middle of the four sides of the regular quadrilateral, and a regular quadrilateral inner reinforcement sheath 14 is provided in the center of the outer sheath 1, and the vertices of the four corners of the inner reinforcement sheath 14 are respectively connected to a side of a corresponding outer reinforcement sheath 12 through a connecting layer 16, and the two opposite connecting layers 16 are located in the same straight line and pass through the center of the inner reinforcement sheath 14, and the connecting layer 16 is perpendicular to a side of the outer sheath 1 on the corresponding side, and the four connecting layers 16 divide the interior of the outer sheath 1 into four accommodating cavities 17, and a first butterfly unit 2 matching the shape of the accommodating cavity 17 is provided in the accommodating cavity 17.

[0052] The present application can be used as an intelligent sensor or intelligent sensing element; since it can transmit voice and images, it can also be used as a physical sensor, such as a voice sensor or an image sensor; since it transmits optical signals through the principle of total reflection, it can also be used as a distance sensor; the optical fiber in the present application is an optical waveguide itself, so it can be used as an optical waveguide, such as an array optical waveguide or a diffraction optical waveguide; the present application can also be used in the field of optical computing, as part of optical chip computing, in the fields of optical computing, optical computing, and optical network computing.

[0053] The present application has the following beneficial effects: 1. In Example 1, four external reinforcement members 13 and one internal reinforcement member 15 are provided, and the four external reinforcement members 13 are located above, below, left and right of the internal reinforcement member 15, so that the optical cable can withstand greater tension, the force is more uniform, and the tensile effect is better.

[0054] 2. In Embodiment 1, one corner of two adjacent outer reinforcement members 13 clamps the corresponding right-angle clamping slot 26 of the first butterfly-shaped unit 2, which has a better fixing effect on the first butterfly-shaped unit 2.

[0055] 3. In Example 1, the four first butterfly-shaped units 2 are respectively located in four independent accommodating cavities 17 , and damage to one accommodating cavity 17 will not affect the first butterfly-shaped units 2 in other accommodating cavities 17 .

[0056] 4. Two protective components 22 are provided in the first butterfly-shaped unit 2 , and the optical fiber 23 is located between the two protective components 22 , which not only makes the first butterfly-shaped unit 2 have good tensile strength, but also can better protect the optical fiber 23 .

[0057] 5. The space between the two protection components 22 is larger, so more optical fibers 23 can be protected.

[0058] 6. In Example 2 or Example 3, the third butterfly-shaped unit 4 further has two independent suspension lines 42, so that the third butterfly-shaped unit 4 has stronger tensile strength, and the two independent suspension lines 42 can make the third butterfly-shaped unit 4 self-supporting, thereby expanding the use scenarios of the third butterfly-shaped unit 4.

[0059] 7. In Example 2 or Example 3, the second butterfly unit 3 is composed of two first butterfly units 2, a common suspension wire sheath 31 and a common suspension wire 32, so that there are more optical fibers 23 in the second butterfly unit 3, and the second butterfly unit 3 can also be laid in a self-supporting manner, expanding the use scenario of the third butterfly unit 4.

[0060] 8. In Example 2 or Example 3, multiple third butterfly-shaped units 4 and multiple second butterfly-shaped units 3 can be combined to form cable cores of different shapes, which not only increases the number of fiber cores in the optical cable, but also can meet the user's needs for different butterfly-shaped units, and the combined cable core structure is more stable.

[0061] 9. The right-angle bayonet 26 can also be used as a tearing hole to facilitate access to the optical fiber 23.

[0062] 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. A combined butterfly optical cable, comprising an outer sheath (1) and four first butterfly units (2), characterized in that: The outer protective layer (1) is in the shape of a regular quadrilateral, an outer reinforcement protective layer (12) is respectively provided in the middle of the four sides of the regular quadrilateral, an inner reinforcement protective layer (14) is provided at the center of the outer protective layer (1), the inner reinforcement protective layer (14) and the four outer reinforcement protective layers (12) are respectively connected via a connecting layer (16), the four connecting layers (16) divide the interior of the outer protective layer (1) into four accommodating cavities (17), and a first butterfly-shaped unit (2) matching the shape of the accommodating cavity (17) is provided in the accommodating cavity (17).

2. The combined butterfly optical cable according to claim 1, characterized in that: The outer reinforcement sheath (12) is in the shape of a regular quadrilateral, the inner reinforcement sheath (14) is in the shape of a regular quadrilateral, one end of the connection layer (16) is connected to the vertex of an angle of the inner reinforcement sheath (14), the other end of the connection layer (16) is connected to a corresponding side of the outer reinforcement sheath (12), and the connection layer (16) is perpendicular to the side, the two opposite connection layers (16) are located in the same straight line and pass through the center of the inner reinforcement sheath (14), and the connection layer (16) is perpendicular to a side of the outer sheath (1) on the corresponding side.

3. A combined butterfly optical cable according to claim 2, characterized in that: The first butterfly unit (2) is composed of a first butterfly unit sheath (21), the first butterfly unit sheath (21) is composed of two symmetrical butterfly wing components, two right-angled bayonet holes (26) are respectively located on the left and right sides of the connection between the two butterfly wing components, the optical fiber (23) is located in the first butterfly unit sheath (21) between the two right-angled bayonet holes (26), and the butterfly wing component has two first side walls (24); The two first side walls (24) of one butterfly wing component are respectively in contact with the corresponding two connection layers (16), the two first side walls (24) of the other butterfly wing component are respectively in contact with the corresponding two edges of the outer protective layer (1), and the right-angled snap-fit ​​(26) is snap-fitted with the corners of the two outer reinforcement protective layers (12) in the accommodating cavity (17).

4. The combined butterfly optical cable according to claim 3, characterized in that: A protective component (22) is also provided in the butterfly wing component. The protective component (22) is composed of two first protective component bodies (221) and a second protective component body (222). Two ends of the second protective component body (222) are respectively connected to one end of the two first protective component bodies (221). A first side wall (24) is parallel to a first protective component body (221) of the corresponding protective component (22), and another first side wall (24) is parallel to another first protective component body (221) of the corresponding protective component (22).

5. The combined butterfly optical cable according to claim 4, characterized in that: The outer reinforcement member protective layer (12) is provided with an outer reinforcement member (13), and the inner reinforcement member protective layer (14) is provided with an inner reinforcement member (15).

6. A combined butterfly optical cable, comprising an outer sheath (1) and a cable core, wherein the cable core is located inside the outer sheath (1), characterized in that: The cable core is composed of n+1 second butterfly-shaped units (3) and n third butterfly-shaped units (4), where n is a positive integer, and the n+1 second butterfly-shaped units (3) and the n third butterfly-shaped units (4) are arranged at intervals from left to right. The second butterfly-shaped unit (3) is composed of two first butterfly-shaped units (2), a square common suspension wire sheath (31) and a common suspension wire (32), and the common suspension wire (32) is located in the common suspension wire sheath (31). The third butterfly-shaped unit (4) is composed of a first butterfly-shaped unit (2), two square independent suspension wire sheaths (41) and two independent suspension wires (42), wherein the independent suspension wires (42) are located in corresponding independent suspension wire sheaths (41); The first butterfly unit (2) is composed of a first butterfly unit sheath (21) and at least one optical fiber (23); the first butterfly unit sheath (21) is composed of two symmetrical butterfly wing components; a right-angled bayonet (26) is provided on each of the left and right sides of the connection between the two butterfly wing components; the optical fiber (23) is located in the first butterfly unit sheath (21) between the two right-angled bayonet (26); and the butterfly wing component has two first side walls (24) and a second side wall (25); One end of the first side wall (24) of the butterfly wing component is connected to the end of a side of a right-angled bayonet (26) on the same side of the first side wall (24) and located on the butterfly wing component, and both ends of the second side wall (25) of the butterfly wing component are respectively connected to the other ends of the two first side walls (24); In the third butterfly-shaped unit (4), one corner of the two independent suspension wire sheaths (41) is located in the corresponding right-angle bayonet (26), and two sides of the corner are attached to and fixed to two side portions of the corresponding right-angle bayonet (26); In the second butterfly-shaped unit (3), the common suspension wire protective layer (31) is located between the two first butterfly-shaped units (2), and a second side wall (25) of the two first butterfly-shaped units (2) respectively overlaps and is fixed to one of the two opposite sides of the common suspension wire protective layer (31); The two second side walls (25) of the third butterfly unit (4) are respectively overlapped with one side corresponding to the common suspension wire sheath (31) of the two adjacent second butterfly units (3); the two first side walls (24) on the left side of the third butterfly unit (4) are overlapped with the two first side walls (24) on the right side of the common suspension wire sheath (31) of the second butterfly unit (3) adjacent to the left and adjacent to the common suspension wire sheath (31); the two first side walls (24) on the right side of the third butterfly unit (4) are overlapped with the two first side walls (24) on the left side of the common suspension wire sheath (31) of the second butterfly unit (3) adjacent to the right and adjacent to the common suspension wire sheath (31).

7. The combined butterfly optical cable according to claim 6, characterized in that: When n=2, a second butterfly unit (3) is respectively provided on the upper side and the lower side of the cable core, a lower side edge of the common suspension wire sheath (31) of the second butterfly unit (3) on the upper side overlaps and abuts against the second side wall (25) on the uppermost side of the second butterfly unit (3) in the middle of the cable core, two adjacent lower side first side walls (24) of the common suspension wire sheath (31) of the second butterfly unit (3) on the upper side overlap and abut against two corresponding uppermost first side walls (24) of the second butterfly unit (3) in the middle of the cable core, and the upper independent suspension wires of the two third butterfly units (4) of the cable core overlap and abut against each other. The uppermost corners of the protective layer (41) are respectively located in two corresponding right-angled slots (26) on the lower side of the second butterfly-shaped unit (3) on the upper side, and the two sides of the corners are in contact with the two sides of the corresponding right-angled slots (26), the first side wall (24) on the lower left side of the second butterfly-shaped unit (3) on the upper side is overlapped with the first side wall (24) on the upper right side of the second butterfly-shaped unit (3) on the left side of the cable core, and the first side wall (24) on the lower right side of the second butterfly-shaped unit (3) on the upper side is overlapped with the first side wall (24) on the upper left side of the second butterfly-shaped unit (3) on the right side of the cable core; An upper side edge of the common suspension wire sheath (31) of the lower second butterfly-shaped unit (3) overlaps and abuts against the lowermost second side wall (25) of the second butterfly-shaped unit (3) in the middle of the cable core, two adjacent upper first side walls (24) of the common suspension wire sheath (31) of the lower second butterfly-shaped unit (3) overlap and abut against the lowermost two corresponding first side walls (24) of the second butterfly-shaped unit (3) in the middle of the cable core, and the lowermost corners of the independent suspension wire sheaths (41) of the lower two third butterfly-shaped units (4) of the cable core are respectively located at The cable core is provided with a plurality of cable assemblies, each of which is provided with a plurality of right-angled slots (26) on the upper side of the second butterfly-shaped unit (3) on the lower side, and the first side wall (24) on the upper left side of the second butterfly-shaped unit (3) on the lower side is overlapped with the first side wall (24) on the lower right side of the second butterfly-shaped unit (3) on the left side of the cable core, and the first side wall (24) on the upper right side of the second butterfly-shaped unit (3) on the lower side is overlapped with the first side wall (24) on the lower left side of the second butterfly-shaped unit (3) on the right side of the cable core.

8. The combined butterfly optical cable according to claim 7, characterized in that: A protective component (22) is also provided in the butterfly wing component. The protective component (22) is composed of two first protective component bodies (221) and a second protective component body (222). Two ends of the second protective component body (222) are respectively connected to one end of the two first protective component bodies (221). A first side wall (24) is parallel to a first protective component body (221) of the corresponding protective component (22). Another first side wall (24) is parallel to another first protective component body (221) of the corresponding protective component (22). The second side wall (25) is parallel to the second protective component body (222) of the corresponding protective component (22).

9. The combined butterfly optical cable according to claim 8, characterized in that: The first butterfly-shaped unit protective layer (21) and the two independent suspension wire protective layers (41) of the third butterfly-shaped unit (4) are integrally formed.

10. The combined butterfly optical cable according to claim 9, characterized in that: The common suspension wire sheath (31) of the second butterfly-shaped unit (3) and the two first butterfly-shaped unit sheaths (21) are integrally formed.

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