Butterfly-shaped leading-in optical cable with spliced structure

Abstract

The invention belongs to the technical field of optical cables, and particularly relates to a spliced-structure butterfly-shaped leading-in optical cable which is provided with a cable core and an outer protective layer, the cable core is composed of six butterfly-shaped units, each butterfly-shaped unit is composed of a first wing-shaped component and a second wing-shaped component, and a clamping groove is formed between each first wing-shaped component and the corresponding second wing-shaped component. The six butterfly-shaped units are mutually clamped and fixed into a whole, the first wing-shaped part of the later butterfly-shaped unit is clamped into the clamping groove of the previous butterfly-shaped unit in the clockwise direction, two first reinforcing pieces and an optical fiber are arranged in the first wing-shaped part, and the optical fiber is located between the two first reinforcing pieces; the optical fiber cable has the beneficial effects of convenience in cabling, good optical fiber protection effect, uniform stress, wide application scene and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of optical cables, and in particular relates to a butterfly-shaped introduction optical cable with a spliced ​​structure. Background Art

[0002] The butterfly-shaped lead-in cable is the most commonly used fiber-to-the-home cable and is in great demand every year. However, in the prior art, the butterfly-shaped lead-in cable has problems such as a single structure, poor mechanical strength of the cable, and poor protection of the optical fiber.

[0003] In the prior art, CN118655667A discloses a multi-core butterfly-shaped optical cable introduction having at least three butterfly-shaped units, wherein the butterfly-shaped unit is composed of a butterfly-shaped unit sheath, two reinforcing components, two groups of optical fiber groups, a protective sleeve and a rib, wherein the rib is located directly above the butterfly-shaped unit sheath, the protective sleeve is located directly above the rib, the two reinforcing components are located in the butterfly-shaped unit sheath on both sides of the rib, the optical fiber group is located between the rib and the corresponding reinforcing components, a buffer groove is provided between the protective sleeve and the butterfly-shaped unit sheath, all the butterfly-shaped units are connected end to end by connecting components, and a shaping frame is formed between all the butterfly-shaped units.

[0004] The above-mentioned prior art has the following drawbacks: 1. The butterfly-shaped unit is located on the outer side, and the protection effect on the optical fiber is poor; 2. The structure is not compact and the outer diameter is large. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to disclose a butterfly-shaped optical cable with a spliced ​​structure, which is achieved by adopting the following technical solutions.

[0006] A butterfly-shaped optical cable with a spliced ​​structure has a cable core and an outer sheath, wherein the outer sheath is located outside the cable core, the cable core is composed of six butterfly-shaped units, the butterfly-shaped unit is composed of a first wing-shaped component and a second wing-shaped component, a clamping groove is provided between the first wing-shaped component and the second wing-shaped component, and the six butterfly-shaped units are clamped and fixed to form a whole, and along the clockwise direction, the first wing-shaped component of the rear butterfly unit is clamped into the clamping groove of the front butterfly unit; Two first reinforcement members and a light transmission unit composed of at least one optical fiber are arranged in the first wing-shaped component, and the light transmission unit is located between the two first reinforcement members.

[0007] The above-mentioned butterfly-shaped optical cable with a spliced ​​structure, wherein the first wing-shaped component has a first outer side wall, a first inner side wall, a second outer side wall, a second inner side wall, a third outer side wall and a fourth outer side wall; The lower end of the first inner side wall is connected to the upper end of the second inner side wall, the first inner side wall and the second inner side wall are 120 degrees apart, the upper end of the first outer side wall is connected to the upper end of the first inner side wall, the first outer side wall and the first inner side wall are 60 degrees apart, the lower end of the first outer side wall is connected to the upper end of the second outer side wall, the second outer side wall is parallel to the first inner side wall, the lower end of the second outer side wall is connected to the upper end of the third outer side wall, and the third outer side wall is parallel to the second inner side wall; The second wing-shaped component has a fifth outer side wall, a third inner side wall, a fourth inner side wall, a sixth outer side wall, a fifth inner side wall, a seventh outer side wall, and an eighth outer side wall; The lower end of the fifth outer wall is connected to the upper end of the sixth outer wall, the fifth outer wall and the sixth outer wall are at an angle of 120 degrees, the lower end of the sixth outer wall is connected to the upper end of the seventh outer wall, the sixth outer wall and the seventh outer wall are at an angle of 60 degrees, the upper end of the fifth outer wall is connected to the upper end of the third inner wall, the lower end of the third inner wall is connected to the upper end of the fourth inner wall, the fourth inner wall is parallel to the sixth outer wall, and the lower end of the sixth outer wall is connected to the upper end of the fifth inner wall; The lower end of the fifth inner side wall is connected to the lower end of the second inner side wall, the fifth inner side wall and the second inner side wall are at an angle of 120 degrees, the upper end of the fourth outer side wall and the upper end of the eighth outer side wall are connected through a connecting edge, and the clamping groove is located between the first inner side wall, the second inner side wall, the fifth inner side wall and the fourth inner side wall; The first outer side wall of the rear butterfly-shaped unit is fitted with the first inner side wall of the front butterfly-shaped unit; The second outer side wall of the rear butterfly-shaped unit is fitted with the second inner side wall of the front butterfly-shaped unit; The third outer side wall of the rear butterfly-shaped unit is fitted with the fifth inner side wall of the front butterfly-shaped unit; The fourth outer side wall of the rear butterfly-shaped unit is fitted with the fourth inner side wall of the front butterfly-shaped unit; The connecting edge of the rear butterfly-shaped unit is fitted with the third inner side wall of the front butterfly-shaped unit; The third outer side walls and the fourth outer side walls of the six butterfly-shaped units are located on the same regular hexagon, and the outer side walls and the seventh outer side walls of the six butterfly-shaped units are located on the same regular hexagon.

[0008] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, a first reinforcement member in the first wing-shaped component is located between the first outer wall, the first inner wall and the second outer wall, and another first reinforcement member is located between the second inner wall, the third outer wall and the fourth outer wall.

[0009] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, a tearing opening is provided at the connection between the first inner side wall and the second inner side wall.

[0010] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, a filling component is provided between two adjacent second wing-shaped components.

[0011] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, a circular second reinforcement member is provided in the second wing-shaped component.

[0012] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the material of the second reinforcement member is phosphated steel wire.

[0013] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, two first reinforcement members and an optical transmission unit composed of at least one optical fiber are arranged in the second wing-shaped component, and the optical transmission unit is located between the two first reinforcement members.

[0014] In the above-mentioned butterfly-shaped optical cable with a combined structure, one first reinforcement member is located between the fifth outer side wall, the third inner side wall, the fourth inner side wall and the sixth outer side wall, and another first reinforcement member is located between the fifth inner side wall, the seventh outer side wall and the eighth outer side wall.

[0015] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, a tearing opening is provided at the connection between the fourth inner side wall and the fifth inner side wall.

[0016] The outer sheath of the above-mentioned butterfly-shaped combined structure optical cable is made of high-density polyethylene, medium-density polyethylene or low-density polyethylene.

[0017] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the material of the first wing-shaped component is flame-retardant polyolefin.

[0018] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the material of the first reinforcement member is phosphated steel wire.

[0019] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the filling component is made of polypropylene.

[0020] The type of optical fiber in the above-mentioned spliced ​​structure butterfly-shaped introduction optical cable is G.657.

[0021] The present invention has the following beneficial effects: 1. The butterfly-shaped unit can be snapped together into a whole, and does not need to be fixed with materials such as yarn, so the production is convenient.

[0022] 2. The first wing-shaped component is located inside the cable core, and the outside is protected by the second wing-shaped component, which has a better protection effect.

[0023] 3. In the entire cable core, the second reinforcement is evenly distributed on the outside, and the first reinforcement is evenly distributed on the inside. When the optical cable is subjected to tension, the tension is more evenly distributed, and has a better tensile resistance effect.

[0024] 4. When the second wing-shaped component contains the second reinforcement member, each butterfly-shaped unit can be used as a self-supporting butterfly-shaped optical cable introduction cable.

[0025] 5. When the second wing-shaped component contains two first reinforcement members and an optical transmission component, each butterfly-shaped unit can be divided into two non-self-supporting butterfly-shaped lead-in optical cables for use.

[0026] 6. The tearing hole is located inside the cable core, and the optical cable will not be damaged from the tearing hole due to misoperation during laying. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a front view of embodiment 1 of the present invention.

[0028] Figure 2 It is a front view of the butterfly unit of Example 1 of the present invention.

[0029] Figure 3 This is a front view of the six butterfly units after being assembled in Example 1 of the present invention.

[0030] Figure 4 It is a front view of embodiment 2 of the present invention.

[0031] Figure 5 It is a front view of the butterfly unit of embodiment 2 of the present invention.

[0032] Figure 6 This is a front view of the six butterfly units after being assembled in Example 2 of the present invention.

[0033] In the figure, 1. outer protective layer, 2. butterfly unit, 21. first wing-shaped component, 211. first outer wall, 212. first inner wall, 213. second outer wall, 214. second inner wall, 215. third outer wall, 216. fourth outer wall, 217. first reinforcement, 218. optical fiber, 219. tearing hole, 22. second wing-shaped component, 221. fifth outer wall, 222. third inner wall, 223. fourth inner wall, 224. sixth outer wall, 225. fifth inner wall, 226. seventh outer wall, 227. eighth outer wall, 228. second reinforcement, 23. snap-in groove, 24. connecting edge, 3. filling component. DETAILED DESCRIPTION

[0034] Example 1: Figures 1 to 3 A spliced ​​structure butterfly-shaped optical cable, comprising a cable core and an outer sheath 1, wherein the outer sheath 1 is located outside the cable core, the cable core is composed of six butterfly-shaped units 2, the butterfly-shaped unit 2 is composed of a first wing-shaped component 21 and a second wing-shaped component 22, and the first wing-shaped component 21 has a first outer side wall 211, a first inner side wall 212, a second outer side wall 213, a second inner side wall 214, a third outer side wall 215 and a fourth outer side wall 216; The lower end of the first inner wall 212 is connected to the upper end of the second inner wall 214, the first inner wall 212 and the second inner wall 214 are 120 degrees apart, the upper end of the first outer wall 211 is connected to the upper end of the first inner wall 212, the first outer wall 211 and the first inner wall 212 are 60 degrees apart, the lower end of the first outer wall 211 is connected to the upper end of the second outer wall 213, the second outer wall 213 is parallel to the first inner wall 212, the lower end of the second outer wall 213 is connected to the upper end of the third outer wall 215, the third outer wall 215 and the second inner wall 214 are parallel, and a tearing hole 219 is provided at the connection between the first inner wall 212 and the second inner wall 214; Two first reinforcement members 217 and an optical fiber 218 are disposed in the first wing-shaped member 21. One first reinforcement member 217 is located between the first outer side wall 211, the first inner side wall 212, and the second outer side wall 213. The other first reinforcement member 217 is located between the second inner side wall 214, the third outer side wall 215, and the fourth outer side wall 216. The optical fiber 218 is located between the two first reinforcement members 217. The second wing-shaped member 22 has a fifth outer wall 221 , a third inner wall 222 , a fourth inner wall 223 , a sixth outer wall 224 , a fifth inner wall 225 , a seventh outer wall 226 , and an eighth outer wall 227 ; The lower end of the fifth outer wall 221 is connected to the upper end of the sixth outer wall 224, the fifth outer wall 221 and the sixth outer wall 224 are 120 degrees apart, the lower end of the sixth outer wall 224 is connected to the upper end of the seventh outer wall 226, the sixth outer wall 224 and the seventh outer wall 226 are 120 degrees apart, the upper end of the fifth outer wall 221 is connected to the upper end of the third inner wall 222, the lower end of the third inner wall 222 is connected to the upper end of the fourth inner wall 223, the fourth inner wall 223 is parallel to the sixth outer wall 224, the lower end of the sixth outer wall 224 is connected to the upper end of the fifth inner wall 225, and a circular second reinforcement member 228 is provided in the second wing-shaped component 22; The lower end of the fifth inner side wall 225 is connected to the lower end of the second inner side wall 214, and the fifth inner side wall 225 and the second inner side wall 214 are 120 degrees apart. The upper end of the fourth outer side wall 216 and the upper end of the eighth outer side wall 227 are connected through a connecting edge 24. A clamping groove 23 is formed between the first inner side wall 212, the second inner side wall 214, the fifth inner side wall 225 and the fourth inner side wall 223. The six butterfly units 2 are mutually clamped and fixed into a whole. In the clockwise direction, the first wing-shaped component 21 of the rear butterfly unit 2 is clamped into the clamping groove 23 of the front butterfly unit 2. The first outer side wall 211 of the rear butterfly-shaped unit 2 is fitted with the first inner side wall 212 of the front butterfly-shaped unit 2; The second outer side wall 213 of the rear butterfly-shaped unit 2 is fitted with the second inner side wall 214 of the front butterfly-shaped unit 2; The third outer side wall 215 of the rear butterfly-shaped unit 2 is fitted with the fifth inner side wall 225 of the front butterfly-shaped unit 2; The fourth outer side wall 216 of the rear butterfly-shaped unit 2 is fitted with the fourth inner side wall 223 of the front butterfly-shaped unit 2; The connecting edge 24 of the rear butterfly-shaped unit 2 is fitted with the third inner side wall 222 of the front butterfly-shaped unit 2; The third outer side walls 215 and the fourth outer side walls 216 of the six butterfly-shaped units 2 are located on the same regular hexagon, and the outer side walls 224 and the seventh outer side walls 226 of the six butterfly-shaped units 2 are located on the same regular hexagon; A filling component 3 is provided between two adjacent second wing-shaped components 22 and the outer sheath 1 .

[0035] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the material of the second reinforcement member 228 is phosphating steel wire.

[0036] Example 2: Figures 4 to 6 A spliced ​​structure butterfly-shaped optical cable, comprising a cable core and an outer sheath 1, wherein the outer sheath 1 is located outside the cable core, the cable core is composed of six butterfly-shaped units 2, the butterfly-shaped unit 2 is composed of a first wing-shaped component 21 and a second wing-shaped component 22, and the first wing-shaped component 21 has a first outer side wall 211, a first inner side wall 212, a second outer side wall 213, a second inner side wall 214, a third outer side wall 215 and a fourth outer side wall 216; The lower end of the first inner wall 212 is connected to the upper end of the second inner wall 214, the first inner wall 212 and the second inner wall 214 are 120 degrees apart, the upper end of the first outer wall 211 is connected to the upper end of the first inner wall 212, the first outer wall 211 and the first inner wall 212 are 60 degrees apart, the lower end of the first outer wall 211 is connected to the upper end of the second outer wall 213, the second outer wall 213 is parallel to the first inner wall 212, the lower end of the second outer wall 213 is connected to the upper end of the third outer wall 215, the third outer wall 215 and the second inner wall 214 are parallel, and a tearing hole 219 is provided at the connection between the first inner wall 212 and the second inner wall 214; Two first reinforcement members 217 and an optical fiber 218 are disposed in the first wing-shaped member 21. One first reinforcement member 217 is located between the first outer side wall 211, the first inner side wall 212, and the second outer side wall 213. The other first reinforcement member 217 is located between the second inner side wall 214, the third outer side wall 215, and the fourth outer side wall 216. The optical fiber 218 is located between the two first reinforcement members 217. The second wing-shaped member 22 has a fifth outer wall 221 , a third inner wall 222 , a fourth inner wall 223 , a sixth outer wall 224 , a fifth inner wall 225 , a seventh outer wall 226 , and an eighth outer wall 227 ; The lower end of the fifth outer wall 221 is connected to the upper end of the sixth outer wall 224, the fifth outer wall 221 and the sixth outer wall 224 are 120 degrees apart, the lower end of the sixth outer wall 224 is connected to the upper end of the seventh outer wall 226, the sixth outer wall 224 and the seventh outer wall 226 are 120 degrees apart, the upper end of the fifth outer wall 221 is connected to the upper end of the third inner wall 222, the lower end of the third inner wall 222 is connected to the upper end of the fourth inner wall 223, the fourth inner wall 223 is parallel to the sixth outer wall 224, the lower end of the sixth outer wall 224 is connected to the upper end of the fifth inner wall 225, and a tearing opening 219 is provided at the connection between the fourth inner wall 223 and the fifth inner wall 225; Two first reinforcement members 217 and an optical fiber 218 are disposed in the second wing-shaped member 22. One first reinforcement member 217 is located between the fifth outer side wall 221, the third inner side wall 222, the fourth inner side wall 223 and the sixth outer side wall 224. Another first reinforcement member 217 is located between the fifth inner side wall 225, the seventh outer side wall 226 and the eighth outer side wall 227. The optical fiber 218 is located between the two first reinforcement members 217. The lower end of the fifth inner side wall 225 is connected to the lower end of the second inner side wall 214, and the fifth inner side wall 225 and the second inner side wall 214 are 120 degrees apart. The upper end of the fourth outer side wall 216 and the upper end of the eighth outer side wall 227 are connected through a connecting edge 24. A clamping groove 23 is formed between the first inner side wall 212, the second inner side wall 214, the fifth inner side wall 225 and the fourth inner side wall 223. The six butterfly units 2 are mutually clamped and fixed into a whole. In the clockwise direction, the first wing-shaped component 21 of the rear butterfly unit 2 is clamped into the clamping groove 23 of the front butterfly unit 2. The first outer side wall 211 of the rear butterfly-shaped unit 2 is fitted with the first inner side wall 212 of the front butterfly-shaped unit 2; The second outer side wall 213 of the rear butterfly-shaped unit 2 is fitted with the second inner side wall 214 of the front butterfly-shaped unit 2; The third outer side wall 215 of the rear butterfly-shaped unit 2 is fitted with the fifth inner side wall 225 of the front butterfly-shaped unit 2; The fourth outer side wall 216 of the rear butterfly-shaped unit 2 is fitted with the fourth inner side wall 223 of the front butterfly-shaped unit 2; The connecting edge 24 of the rear butterfly-shaped unit 2 is fitted with the third inner side wall 222 of the front butterfly-shaped unit 2; The third outer side walls 215 and the fourth outer side walls 216 of the six butterfly-shaped units 2 are located on the same regular hexagon, and the outer side walls 224 and the seventh outer side walls 226 of the six butterfly-shaped units 2 are located on the same regular hexagon; A filling component 3 is provided between two adjacent second wing-shaped components 22 and the outer sheath 1 .

[0037] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the material of the outer sheath 1 is high-density polyethylene, medium-density polyethylene or low-density polyethylene.

[0038] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the material of the first wing-shaped component 21 is flame-retardant polyolefin.

[0039] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the material of the first reinforcement member 217 is phosphating steel wire.

[0040] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the material of the filling component 3 is polypropylene.

[0041] In the above-mentioned butterfly-shaped optical cable with a spliced ​​structure, the type of the optical fiber 218 is G.657.

[0042] The present invention has the following beneficial effects: 1. The butterfly-shaped unit 2 can be snapped together as a whole, and does not need to be fixed with materials such as yarn, so the production is convenient.

[0043] 2. The first wing-shaped component 21 is located inside the cable core and is protected by the second wing-shaped component 22 outside, which has a better protection effect.

[0044] 3. In the entire cable core, the second reinforcement members 228 are evenly distributed on the outside, and the first reinforcement members 217 are evenly distributed on the inside. When the optical cable is subjected to tension, the tension is more evenly distributed, and has a better tensile resistance effect.

[0045] 4. When the second wing-shaped component 22 contains the second reinforcement member 228, each butterfly-shaped unit 2 can be used as a self-supporting butterfly-shaped optical cable introduction cable.

[0046] 5. When the second wing-shaped component 22 contains two first reinforcement members 217 and one optical fiber 218, each butterfly-shaped unit 2 can be divided into two non-self-supporting butterfly-shaped lead-in optical cables for use.

[0047] 6. The tearing opening 219 is located inside the cable core, and the optical cable will not be damaged from the tearing opening 219 due to misoperation during installation.

[0048] 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 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 butterfly-shaped optical cable with a spliced ​​structure, comprising a cable core and an outer sheath (1), wherein the outer sheath (1) is located outside the cable core, and is characterized in that: The cable core is composed of six butterfly-shaped units (2), each butterfly-shaped unit (2) is composed of a first wing-shaped component (21) and a second wing-shaped component (22), a clamping groove (23) is provided between the first wing-shaped component (21) and the second wing-shaped component (22), the six butterfly-shaped units (2) are clamped and fixed to form a whole, and in a clockwise direction, the first wing-shaped component (21) of the rear butterfly-shaped unit (2) is clamped into the clamping groove (23) of the front butterfly-shaped unit (2); two first reinforcement members (217) and an optical transmission unit composed of at least one optical fiber (218) are provided in the first wing-shaped component (21), and the optical transmission unit is located between the two first reinforcement members (217).

2. The butterfly-shaped optical cable with a spliced ​​structure according to claim 1, characterized in that: The first wing-shaped component (21) has a first outer side wall (211), a first inner side wall (212), a second outer side wall (213), a second inner side wall (214), a third outer side wall (215) and a fourth outer side wall (216); The lower end of the first inner side wall (212) is connected to the upper end of the second inner side wall (214), the first inner side wall (212) and the second inner side wall (214) are at an angle of 120°, the upper end of the first outer side wall (211) is connected to the upper end of the first inner side wall (212), the first outer side wall (211) and the first inner side wall (212) are at an angle of 60°, the lower end of the first outer side wall (211) is connected to the upper end of the second outer side wall (213), the second outer side wall (213) and the first inner side wall (212) are parallel, the lower end of the second outer side wall (213) is connected to the upper end of the third outer side wall (215), and the third outer side wall (215) and the second inner side wall (214) are parallel; The second wing-shaped component (22) has a fifth outer side wall (221), a third inner side wall (222), a fourth inner side wall (223), a sixth outer side wall (224), a fifth inner side wall (225), a seventh outer side wall (226), and an eighth outer side wall (227); The lower end of the fifth outer wall (221) is connected to the upper end of the sixth outer wall (224), the fifth outer wall (221) and the sixth outer wall (224) are at an angle of 120 degrees, the lower end of the sixth outer wall (224) is connected to the upper end of the seventh outer wall (226), the sixth outer wall (224) and the seventh outer wall (226) are at an angle of 120 degrees, the upper end of the fifth outer wall (221) is connected to the upper end of the third inner wall (222), the lower end of the third inner wall (222) is connected to the upper end of the fourth inner wall (223), the fourth inner wall (223) is parallel to the sixth outer wall (224), and the lower end of the sixth outer wall (224) is connected to the upper end of the fifth inner wall (225); The lower end of the fifth inner side wall (225) is connected to the lower end of the second inner side wall (214), the fifth inner side wall (225) and the second inner side wall (214) are at an angle of 120 degrees, the upper end of the fourth outer side wall (216) and the upper end of the eighth outer side wall (227) are connected via a connecting edge (24), and the clamping groove (23) is located between the first inner side wall (212), the second inner side wall (214), the fifth inner side wall (225) and the fourth inner side wall (223); The first outer side wall (211) of the rear butterfly-shaped unit (2) is fitted with the first inner side wall (212) of the front butterfly-shaped unit (2); The second outer side wall (213) of the rear butterfly-shaped unit (2) is fitted with the second inner side wall (214) of the front butterfly-shaped unit (2); The third outer side wall (215) of the rear butterfly-shaped unit (2) is fitted with the fifth inner side wall (225) of the front butterfly-shaped unit (2); The fourth outer side wall (216) of the rear butterfly-shaped unit (2) is fitted with the fourth inner side wall (223) of the front butterfly-shaped unit (2); The connecting edge (24) of the rear butterfly-shaped unit (2) is in contact with the third inner side wall (222) of the front butterfly-shaped unit (2); The third outer side walls (215) and the fourth outer side walls (216) of the six butterfly-shaped units (2) are located on the same regular hexagon, and the outer side walls (224) and the seventh outer side walls (226) of the six butterfly-shaped units (2) are located on the same regular hexagon.

3. The butterfly-shaped optical cable with a spliced ​​structure according to claim 2, characterized in that: A first reinforcement member (217) in the first wing-shaped component (21) is located between the first outer side wall (211), the first inner side wall (212) and the second outer side wall (213), and another first reinforcement member (217) is located between the second inner side wall (214), the third outer side wall (215) and the fourth outer side wall (216).

4. The butterfly-shaped optical cable with a spliced ​​structure according to claim 3, characterized in that: A tearing opening (219) is provided at the connection between the first inner side wall (212) and the second inner side wall (214).

5. The butterfly-shaped optical cable with a spliced ​​structure according to claim 4, characterized in that: A filling component (3) is provided between two adjacent second wing-shaped components (22).

6. The butterfly-shaped optical cable with a spliced ​​structure according to claim 5, characterized in that: A circular second reinforcement member (228) is disposed inside the second wing-shaped member (22).

7. The butterfly-shaped optical cable with a spliced ​​structure according to claim 6, characterized in that: The material of the second reinforcement member (228) is phosphated steel wire.

8. The butterfly-shaped optical cable with a spliced ​​structure according to claim 5, characterized in that: Two first reinforcement members (217) and an optical transmission unit composed of at least one optical fiber (218) are arranged in the second wing-shaped component (22), and the optical transmission unit is located between the two first reinforcement members (217).

9. The butterfly-shaped optical cable with a spliced ​​structure according to claim 8, characterized in that: A first reinforcement member (217) is located between the fifth outer side wall (221), the third inner side wall (222), the fourth inner side wall (223) and the sixth outer side wall (224), and another first reinforcement member (217) is located between the fifth inner side wall (225), the seventh outer side wall (226) and the eighth outer side wall (227).

10. The butterfly-shaped optical cable with a spliced ​​structure according to claim 9, characterized in that: A tearing opening (219) is provided at the connection between the fourth inner side wall (223) and the fifth inner side wall (225).

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