Optical cable with special-shaped protection component

Abstract

The invention belongs to the technical field of optical cables, and particularly relates to an optical cable with a special-shaped protection component, which is provided with two outer protection layers, two optical fiber protection tubes are arranged in the outer protection layers, at least one optical fiber is arranged in each optical fiber protection tube, an E-shaped clamping groove is formed in each outer protection layer, and the two outer protection layers are arranged in a bilateral symmetry manner. The two outer protective layers are clamped and fixed with the clamping grooves through a first special-shaped reinforcing piece, and the first special-shaped reinforcing piece is wrapped outside the optical fiber protection tube; the optical cable has the advantages of simple structure, good mechanical performance, good protection effect on optical fibers, convenience in wiring and wide application range.

Description

Technical Field

[0001] The invention belongs to the technical field of optical cables, and in particular relates to an optical cable with a special-shaped protective component. Background Art

[0002] Optical cable is manufactured to meet optical, mechanical or environmental performance specifications. It is a communication cable assembly that uses one or more optical fibers placed in a sheath as a transmission medium and can be used individually or in groups. Optical cable is a communication line that uses a certain number of optical fibers to form a cable core in a certain way, which is covered with a sheath and sometimes an outer sheath to realize the transmission of optical signals.

[0003] Since most optical cables need to be laid outdoors, they need to have strong mechanical properties and provide effective protection for the optical fibers.

[0004] In the prior art, CN118884641A discloses a flame-retardant optical cable with a ribbon unit, which has an outer sheath and a middle sheath, four filling components are arranged between the outer sheath and the middle sheath, the middle sheath has a square middle sheath cavity, the middle sheath cavity is provided with a plurality of nested brackets from the inside to the outside, four second accommodating cavities are formed between two adjacent brackets, the outermost bracket and the four side walls of the middle sheath cavity form four first accommodating cavities, and a ribbon unit is arranged in the second accommodating cavity and the first accommodating cavity.

[0005] The above-mentioned prior art has the following drawbacks: 1. The compression resistance of the optical cable is relatively poor; 2. The structure is relatively complex; 3. It cannot be divided into two optical cables for independent laying. Summary of the invention

[0006] In order to solve the above problems, the purpose of the present invention is to disclose an optical cable with a special-shaped protective component, which is achieved by adopting the following technical solutions.

[0007] An optical cable with a special-shaped protective component, having two outer sheaths, the outer sheaths are composed of two transverse sheaths, two first connecting components, two rectangular optical fiber protective tubes and a longitudinal sheath, one end of the two transverse sheaths are respectively connected to the two ends of the longitudinal sheath, the two transverse sheaths are parallel and located on the right side of the longitudinal sheath, the other end of the upper transverse sheath is connected to one end of one first connecting component, the other end of the lower transverse sheath is connected to one end of another first connecting component, the two first connecting components are parallel to the longitudinal sheath, and the two first connecting components are located between the two transverse sheaths; The other end of the upper first connecting component is connected to an optical fiber protection tube, and the other end of the lower first connecting component is connected to another optical fiber protection tube. The right side wall of the first connecting component and the right side wall of the corresponding first connecting component are located in the same plane. An optical fiber cavity is provided in the optical fiber protection tube, and at least one optical fiber is provided in the optical fiber cavity. An E-shaped snap-in groove is formed in the outer sheath, and the two outer sheaths are symmetrically arranged on the left and right. The first connecting component of the outer sheath on the left and the first connecting component of the corresponding outer sheath on the right are completely fitted together, and the two outer sheaths are fixed by snapping together with a first special-shaped reinforcement member and the snap-in groove.

[0008] The optical cable with a special-shaped protective component described above, the clamping groove is composed of two sixth accommodating grooves, a second accommodating groove and a first accommodating groove, the sixth accommodating groove and the first accommodating groove are arranged horizontally, the second accommodating groove is arranged vertically, the first accommodating groove is located between the two sixth accommodating grooves, the second accommodating groove is located between the left side walls of the two optical fiber protection tubes and the longitudinal protective layers, the sixth accommodating groove is located between the optical fiber protection tube and the corresponding transverse protective layer, and the first accommodating groove is located between the two optical fiber protection tubes; The first special-shaped reinforcement member is composed of four first transverse plates, two first longitudinal plates and one second transverse plate, the two ends of the second transverse plate are respectively perpendicular to the side walls of the two first longitudinal plates, and the two ends of the second transverse plate are respectively connected to the middle parts of the two first longitudinal plates; Two first transverse plates parallel to the second transverse plates are provided on the upper side of the second transverse plates, the left end of one first transverse plate is connected to the upper end of the first longitudinal plate on the left side, the right end of the other first transverse plate is connected to the upper end of the first longitudinal plate on the right side, a spacing groove is formed between the two first transverse plates, and a protection groove is formed between the two first transverse plates and the second transverse plates; Two first transverse plates parallel to the second transverse plates are provided on the lower side of the second transverse plate, the left end of one first transverse plate is connected to the lower end of the first longitudinal plate on the left side, the right end of the other first transverse plate is connected to the lower end of the first longitudinal plate on the right side, a spacing groove is formed between the two first transverse plates, and a protection groove is formed between the two first transverse plates and the second transverse plates; The two first horizontal plates and the first vertical plates on the left side are respectively clamped in the corresponding two sixth receiving grooves and the second receiving grooves of the outer protective layer on the left side, the two first horizontal plates and the first vertical plates on the right side are respectively clamped in the corresponding two sixth receiving grooves and the second receiving grooves of the outer protective layer on the right side, and the second horizontal plate is simultaneously clamped in the first receiving grooves of the two outer protective layers.

[0009] In the above-mentioned optical cable with special-shaped protective components, the material of the first special-shaped reinforcement member is stainless steel or glass fiber reinforced plastic.

[0010] The optical cable with special-shaped protective components described above has an outer sheath made of polyethylene.

[0011] In the above-mentioned optical cable with special-shaped protective components, a first tearing opening is provided in the middle of the second transverse plate.

[0012] An optical cable with a special-shaped protective component has an outer sheath, the outer sheath is composed of a rectangular outer sheath body, two butterfly-shaped units and two second connecting components, the upper end of one second connecting component is connected to the middle of the upper inner wall of the outer sheath body, the lower end of one second connecting component is connected to the upper long side of one butterfly-shaped unit, the lower end of another second connecting component is connected to the middle of the lower inner wall of the outer sheath body, and the upper end of another second connecting component is connected to the lower long side of another butterfly-shaped unit; A fifth accommodating groove is formed on the left and right sides of the second connecting component, a third accommodating groove is formed between the two butterfly-shaped units, the two butterfly-shaped units and the left inner wall of the outer sheath body form a fourth accommodating cavity, the two butterfly-shaped units and the right inner wall of the outer sheath body form a fourth accommodating cavity, the left ends of the two fifth accommodating grooves on the left are respectively connected to the two ends of the fourth accommodating cavity on the left, the right ends of the two fifth accommodating grooves on the right are respectively connected to the two ends of the fourth accommodating cavity on the right, and the two ends of the third accommodating groove are respectively connected to the middle parts of the two fourth accommodating cavities; The second special-shaped reinforcement member is composed of two third transverse plates, a second longitudinal plate and a fourth transverse plate, the left ends of the two third transverse plates are respectively connected to the two ends of the second longitudinal plate, and the left end of the fourth transverse plate is connected to the right side wall of the second longitudinal plate; The two second special-shaped reinforcements are symmetrically arranged on the left and right. The two third cross plates of the second special-shaped reinforcement on the left are respectively clamped in the two fifth accommodating grooves on the left, the fourth cross plate of the second special-shaped reinforcement on the left is clamped in the third accommodating groove, the two third cross plates of the second special-shaped reinforcement on the right are respectively clamped in the two fifth accommodating grooves on the right, and the fourth cross plate of the second special-shaped reinforcement on the right is clamped in the third accommodating groove.

[0013] The above-mentioned optical cable with a special-shaped protective component, the butterfly unit is composed of a butterfly unit body, two reinforcing steel wires and an optical fiber, the two reinforcing steel wires and the optical fiber are located in the butterfly unit body, the two reinforcing steel wires are located on the left and right sides of the optical fiber, and the long side of the butterfly unit is a side parallel to the line connecting the axes of the two reinforcing steel wires.

[0014] In the above-mentioned optical cable with special-shaped protective components, the fourth transverse plates of the two second special-shaped reinforcement members are connected, and the two second special-shaped reinforcement members are integrally formed.

[0015] In the above-mentioned optical cable with special-shaped protective components, the material of the second special-shaped reinforcement member is stainless steel or glass fiber reinforced plastic.

[0016] In the above-mentioned optical cable with special-shaped protective components, the outer sheath body, the second connecting component and the butterfly-shaped unit body are made of flame-retardant polyolefin.

[0017] In the optical cable with special-shaped protective components described above, the butterfly-shaped unit body is provided with a second tearing opening for separating the optical fibers.

[0018] In the above-mentioned optical cable with special-shaped protective components, the reinforcing steel wire is a phosphating steel wire.

[0019] In the above-mentioned optical cable with special-shaped protective components, the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.

[0020] The present invention has the following beneficial effects: 1. The optical fiber protection tube is located in the protection groove, and the first special-shaped reinforcement member is located around the two optical fiber protection tubes, which has a better protection effect on the optical fiber protection tubes.

[0021] 2. The two optical fiber protection tubes and the first special-shaped reinforcement member are mutually clamped and fixed, so that the two outer sheaths can be combined into one.

[0022] 3. The first longitudinal plate and the second transverse plate provide good support for the optical cable. No matter which outer wall the optical cable is placed on the ground, the optical cable has good compression resistance and has less impact on the internal optical fiber.

[0023] 4. When the optical cable is separated from the first tear, the optical cable can be divided into two independent units and routed independently.

[0024] 5. It can be used as indoor optical cable laying, with a wider range of applications.

[0025] 6. Two first special-shaped reinforcement members are used, and it is more convenient to access the inner butterfly-shaped unit without separating the two first special-shaped reinforcement members with force. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of a section of Example 1 of the present invention.

[0027] Figure 2 It is a front view of embodiment 1 of the present invention.

[0028] Figure 3 It is a front view of the outer protective layer of Example 1 of the present invention.

[0029] Figure 4 It is a front view of the first special-shaped reinforcement member of Example 1 of the present invention.

[0030] Figure 5 It is a schematic diagram of the three-dimensional structure of a section of Example 2 of the present invention.

[0031] Figure 6 It is a front view of embodiment 2 of the present invention.

[0032] Figure 7 It is a front view of the outer protective layer of Example 2 of the present invention.

[0033] Figure 8 It is a front view of the second special-shaped reinforcement member of Example 2 of the present invention.

[0034] In the figure: 1. outer sheath, 11. transverse sheath, 12. first connecting component, 13. optical fiber protection tube, 14. optical fiber cavity, 15. longitudinal sheath, 16. first receiving groove, 17. second receiving groove, 18. outer sheath body, 19. butterfly unit, 191. butterfly unit body, 192. reinforcing steel wire, 110. second connecting component, 111. third receiving groove, 112. fourth receiving cavity, 113. fifth receiving groove, 114. sixth receiving groove, 2. first special-shaped reinforcement member, 21. first transverse plate, 22. spacing groove, 23. first longitudinal plate, 24. protection groove, 25. second transverse plate, 3. optical fiber, 4. second special-shaped reinforcement member, 41. third transverse plate, 42. second longitudinal plate, 43. fourth transverse plate. DETAILED DESCRIPTION

[0035] Example 1: Figures 1 to 4 , an optical cable with a special-shaped protective component, having two outer sheaths 1, the outer sheath 1 is composed of two transverse sheaths 11, two first connecting components 12, two rectangular optical fiber protection tubes 13 and a longitudinal sheath 15, one end of the two transverse sheaths 11 is respectively connected to the two ends of the longitudinal sheath 15, the two transverse sheaths 11 are parallel and located on the right side of the longitudinal sheath 15, the other end of the upper transverse sheath 11 is connected to one end of a first connecting component 12, the other end of the lower transverse sheath 11 is connected to one end of another first connecting component 12, the two first connecting components 12 are parallel to the longitudinal sheath 15, and the two first connecting components 12 are located between the two transverse sheaths 11; The other end of the upper first connecting component 12 is connected to an optical fiber protection tube 13, and the other end of the lower first connecting component 12 is connected to another optical fiber protection tube 13. The right side wall of the first connecting component 12 and the right side wall of the corresponding first connecting component 12 are located in the same plane. A first receiving groove 16 is formed between the two optical fiber protection tubes 13, and a second receiving groove 17 is formed between the left side walls of the two optical fiber protection tubes 13 and the longitudinal protective layer 15. A sixth receiving groove 114 is formed between the upper optical fiber protection tube 13 and the upper transverse protective layer 11, and a sixth receiving groove 114 is formed between the lower optical fiber protection tube 13 and the lower transverse protective layer 11. The two sixth receiving grooves 114 and the first receiving groove 16 are respectively connected to the second receiving groove 17. A fiber receiving cavity 14 is provided in the optical fiber protection tube 13, and at least one optical fiber 3 is provided in the optical fiber receiving cavity 14. The two outer sheaths 1 are arranged symmetrically on the left and right, the first connecting part 12 of the outer sheath 1 on the left is completely fitted with the first connecting part 12 of the outer sheath 1 on the right, and the two outer sheaths 1 are fixed by the first special-shaped reinforcement 2, which is composed of four first transverse plates 21, two first longitudinal plates 23 and one second transverse plate 25, the two ends of the second transverse plate 25 are respectively perpendicular to the side walls of the two first longitudinal plates 23, and the two ends of the second transverse plate 25 are respectively connected to the middle parts of the two first longitudinal plates 23; Two first transverse plates 21 parallel to the second transverse plate 25 are provided on the upper side of the second transverse plate 25. The left end of one first transverse plate 21 is connected to the upper end of the first longitudinal plate 23 on the left side, and the right end of the other first transverse plate 21 is connected to the upper end of the first longitudinal plate 23 on the right side. A spacing groove 22 is formed between the two first transverse plates 21, and a protection groove 24 is formed between the two first transverse plates 21 and the second transverse plate 25. Two first transverse plates 21 parallel to the second transverse plate 25 are provided on the lower side of the second transverse plate 25. The left end of one first transverse plate 21 is connected to the lower end of the first longitudinal plate 23 on the left side, and the right end of the other first transverse plate 21 is connected to the lower end of the first longitudinal plate 23 on the right side. A spacing groove 22 is formed between the two first transverse plates 21, and a protection groove 24 is formed between the two first transverse plates 21 and the second transverse plate 25. The two first transverse plates 21 and the first longitudinal plates 23 on the left side are respectively snapped into the corresponding two sixth receiving grooves 114 and the second receiving grooves 17 of the outer sheath 1 on the left side, the two first transverse plates 21 and the first longitudinal plates 23 on the right side are respectively snapped into the corresponding two sixth receiving grooves 114 and the second receiving grooves 17 of the outer sheath 1 on the right side, and the second transverse plate 25 is simultaneously snapped into the first receiving grooves 16 of the two outer sheaths 1.

[0036] In the above-mentioned optical cable with special-shaped protective components, the material of the first special-shaped reinforcement member 2 is stainless steel or glass fiber reinforced plastic.

[0037] In the above-mentioned optical cable with special-shaped protective components, the material of the outer sheath 1 is polyethylene.

[0038] In the above-mentioned optical cable with special-shaped protective components, a first tearing opening is provided in the middle of the second transverse plate 25 .

[0039] Example 2: Figures 5 to 8, an optical cable with a special-shaped protective component, comprising an outer sheath 1, the outer sheath 1 being composed of a rectangular outer sheath body 18, two butterfly units 19 and two second connecting components 110, the upper end of one second connecting component 110 being connected to the middle of the upper inner wall of the outer sheath body 18, the lower end of one second connecting component 110 being connected to the upper long side of one butterfly unit 19, the lower end of another second connecting component 110 being connected to the middle of the lower inner wall of the outer sheath body 18, and the upper end of another second connecting component 110 being connected to the lower long side of another butterfly unit 19; A fifth receiving groove 113 is formed on the left and right sides of the second connecting component 110, a third receiving groove 111 is formed between the two butterfly units 19, the two butterfly units 19 and the left inner wall of the outer sheath body 18 form a fourth receiving cavity 112, the two butterfly units 19 and the right inner wall of the outer sheath body 18 form a fourth receiving cavity 112, the left ends of the two fifth receiving grooves 113 on the left are respectively connected to the two ends of the fourth receiving cavity 112 on the left, the right ends of the two fifth receiving grooves 113 on the right are respectively connected to the two ends of the fourth receiving cavity 112 on the right, and the two ends of the third receiving groove 111 are respectively connected to the middle parts of the two fourth receiving cavities 112; The second special-shaped reinforcement member 4 is composed of two third transverse plates 41, a second longitudinal plate 42 and a fourth transverse plate 43. The left ends of the two third transverse plates 41 are respectively connected to the two ends of the second longitudinal plate 42, and the left end of the fourth transverse plate 43 is connected to the right side wall of the second longitudinal plate 42. The two second special-shaped reinforcement members 4 are arranged symmetrically on the left and right. The two third transverse plates 41 of the second special-shaped reinforcement member 4 on the left are respectively clamped in the two fifth receiving grooves 113 on the left, and the fourth transverse plate 43 of the second special-shaped reinforcement member 4 on the left is clamped in the third receiving groove 111. The two third transverse plates 41 of the second special-shaped reinforcement member 4 on the right are respectively clamped in the two fifth receiving grooves 113 on the right, and the fourth transverse plate 43 of the second special-shaped reinforcement member 4 on the right is clamped in the third receiving groove 111. The butterfly unit 19 is composed of a butterfly unit body 191, two reinforcing steel wires 192 and an optical fiber 3. The two reinforcing steel wires 192 and the optical fiber 3 are located inside the butterfly unit body 191. The two reinforcing steel wires 192 are located on the left and right sides of the optical fiber 3. The long side of the butterfly unit 19 is a side parallel to the line connecting the axes of the two reinforcing steel wires 192.

[0040] In the above-mentioned optical cable with special-shaped protective components, the material of the second special-shaped reinforcement member 4 is stainless steel or glass fiber reinforced plastic.

[0041] In the above-mentioned optical cable with special-shaped protective components, the outer sheath body 18, the second connecting component 110 and the butterfly-shaped unit body 191 are made of flame-retardant polyolefin.

[0042] In the optical cable with special-shaped protective components described above, a second tearing opening for separating the optical fibers 3 is provided on the butterfly-shaped unit body 191 .

[0043] In the above-mentioned optical cable with special-shaped protective components, the reinforcing steel wire 192 is a phosphating steel wire.

[0044] Embodiment 3: This embodiment is basically the same as Embodiment 2, except that the fourth transverse plates 43 of the two second special-shaped reinforcement members 4 are connected, and the two second special-shaped reinforcement members 4 are integrally formed.

[0045] In the optical cable with a special-shaped protective component described in any of the above embodiments, the optical fiber 3 is a single-mode optical fiber or a multi-mode optical fiber.

[0046] The optical cable of the present invention can also be used as a sensor.

[0047] The present invention has the following beneficial effects: 1. The optical fiber protection tube 13 is located in the protection groove 24 , and the first special-shaped reinforcement member 2 is located around the two optical fiber protection tubes 13 , which provides a better protection effect on the optical fiber protection tubes 13 .

[0048] 2. The two optical fiber protection tubes 13 and the first special-shaped reinforcement member 2 are mutually clamped and fixed, so that the two outer sheaths 1 can be combined into one.

[0049] 3. The first longitudinal plate 23 and the second transverse plate 25 provide good support for the optical cable. No matter which outer wall the optical cable is placed on, the optical cable has good compression resistance and has less impact on the internal optical fiber 3.

[0050] 4. When the optical cable is separated from the first tear, the optical cable can be divided into two independent units and routed independently.

[0051] 5. It can be used as indoor optical cable laying, with a wider range of applications.

[0052] 6. Two first special-shaped reinforcement members 2 are used, and there is no need to separate the two first special-shaped reinforcement members 2 by force, and it is more convenient to access the inner butterfly-shaped unit 19.

[0053] 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. An optical cable with a special-shaped protective component, having two outer sheaths (1), characterized in that: The outer sheath (1) is composed of two transverse sheaths (11), two first connecting components (12), two rectangular optical fiber protection tubes (13) and a longitudinal sheath (15); one end of the two transverse sheaths (11) is respectively connected to the two ends of the longitudinal sheath (15); the two transverse sheaths (11) are parallel and located on the right side of the longitudinal sheath (15); the other end of the upper transverse sheath (11) is connected to one end of one first connecting component (12); the other end of the lower transverse sheath (11) is connected to one end of another first connecting component (12); the two first connecting components (12) are parallel to the longitudinal sheath (15); and the two first connecting components (12) are located between the two transverse sheaths (11); The other end of the upper first connecting component (12) is connected to an optical fiber protection tube (13), the other end of the lower first connecting component (12) is connected to another optical fiber protection tube (13), the right side wall of the first connecting component (12) and the right side wall of the corresponding first connecting component (12) are located in the same plane, an optical fiber cavity (14) is provided in the optical fiber protection tube (13), and at least one optical fiber (3) is provided in the optical fiber cavity (14); An E-shaped clamping groove is formed in the outer sheath (1), the two outer sheaths (1) are arranged symmetrically on the left and right, the first connecting component (12) of the left outer sheath (1) and the first connecting component (12) of the corresponding right outer sheath (1) are completely fitted together, and the two outer sheaths (1) are clamped and fixed to the clamping groove by a first special-shaped reinforcement member (2).

2. The optical cable with a special-shaped protective component according to claim 1, characterized in that: The clamping groove is composed of two sixth accommodating grooves (114), a second accommodating groove (17) and a first accommodating groove (16); the sixth accommodating groove (114) and the first accommodating groove (16) are arranged horizontally, the second accommodating groove (17) is arranged vertically, the first accommodating groove (16) is located between the two sixth accommodating grooves (114), the second accommodating groove (17) is located between the left side walls of the two optical fiber protection tubes (13) and the longitudinal protective layer (15), the sixth accommodating groove (114) is located between the optical fiber protection tube (13) and the corresponding transverse protective layer (11), and the first accommodating groove (16) is located between the two optical fiber protection tubes (13); The first special-shaped reinforcement member (2) is composed of four first transverse plates (21), two first longitudinal plates (23) and a second transverse plate (25), the two ends of the second transverse plate (25) are respectively perpendicular to the side walls of the two first longitudinal plates (23), and the two ends of the second transverse plate (25) are respectively connected to the middle parts of the two first longitudinal plates (23); Two first transverse plates (21) parallel to the second transverse plate (25) are arranged on the upper side of the second transverse plate (25); the left end of one first transverse plate (21) is connected to the upper end of the first longitudinal plate (23) on the left side, and the right end of the other first transverse plate (21) is connected to the upper end of the first longitudinal plate (23) on the right side; a spacing groove (22) is formed between the two first transverse plates (21); and a protection groove (24) is formed between the two first transverse plates (21) and the second transverse plate (25); Two first transverse plates (21) parallel to the second transverse plate (25) are provided on the lower side of the second transverse plate (25); the left end of one first transverse plate (21) is connected to the lower end of the first longitudinal plate (23) on the left side, and the right end of the other first transverse plate (21) is connected to the lower end of the first longitudinal plate (23) on the right side; a spacing groove (22) is formed between the two first transverse plates (21); and a protection groove (24) is formed between the two first transverse plates (21) and the second transverse plate (25); The two first transverse plates (21) and the first longitudinal plates (23) on the left side are respectively clamped in the corresponding two sixth receiving grooves (114) and the second receiving groove (17) of the outer sheath (1) on the left side, the two first transverse plates (21) and the first longitudinal plates (23) on the right side are respectively clamped in the corresponding two sixth receiving grooves (114) and the second receiving groove (17) of the outer sheath (1) on the right side, and the second transverse plate (25) is simultaneously clamped in the first receiving grooves (16) of the two outer sheaths (1).

3. The optical cable with a special-shaped protective component according to claim 2, characterized in that: The material of the first special-shaped reinforcement member (2) is stainless steel or glass fiber reinforced plastic.

4. The optical cable with a special-shaped protective component according to claim 3, characterized in that: The material of the outer sheath (1) is polyethylene.

5. The optical cable with a special-shaped protective component according to claim 4, characterized in that: A first tearing opening is provided in the middle of the second transverse plate (25).

6. An optical cable with a special-shaped protective component, having an outer sheath (1), characterized in that: The outer sheath (1) is composed of a rectangular outer sheath body (18), two butterfly-shaped units (19) and two second connecting components (110), wherein the upper end of one second connecting component (110) is connected to the middle of the upper inner wall of the outer sheath body (18), the lower end of one second connecting component (110) is connected to the upper long side of one butterfly-shaped unit (19), the lower end of another second connecting component (110) is connected to the middle of the lower inner wall of the outer sheath body (18), and the upper end of another second connecting component (110) is connected to the lower long side of another butterfly-shaped unit (19); A fifth receiving groove (113) is formed on the left and right sides of the second connecting component (110), a third receiving groove (111) is formed between the two butterfly units (19), the two butterfly units (19) and the left inner wall of the outer sheath body (18) form a fourth receiving cavity (112), the two butterfly units (19) and the right inner wall of the outer sheath body (18) form a fourth receiving cavity (112), the left ends of the two fifth receiving grooves (113) on the left are respectively connected to the two ends of the fourth receiving cavity (112) on the left, the right ends of the two fifth receiving grooves (113) on the right are respectively connected to the two ends of the fourth receiving cavity (112) on the right, and the two ends of the third receiving groove (111) are respectively connected to the middle parts of the two fourth receiving cavities (112); The second special-shaped reinforcement member (4) is composed of two third transverse plates (41), a second longitudinal plate (42) and a fourth transverse plate (43), the left ends of the two third transverse plates (41) are respectively connected to the two ends of the second longitudinal plate (42), and the left end of the fourth transverse plate (43) is connected to the right side wall of the second longitudinal plate (42); The two second special-shaped reinforcement members (4) are symmetrically arranged on the left and right sides. The two third transverse plates (41) of the second special-shaped reinforcement member (4) on the left side are respectively clamped in the two fifth receiving grooves (113) on the left side, and the fourth transverse plate (43) of the second special-shaped reinforcement member (4) on the left side is clamped in the third receiving groove (111). The two third transverse plates (41) of the second special-shaped reinforcement member (4) on the right side are respectively clamped in the two fifth receiving grooves (113) on the right side, and the fourth transverse plate (43) of the second special-shaped reinforcement member (4) on the right side is clamped in the third receiving groove (111).

7. The optical cable with a special-shaped protective component according to claim 6, characterized in that: The butterfly unit (19) is composed of a butterfly unit body (191), two reinforcing steel wires (192) and an optical fiber (3). The two reinforcing steel wires (192) and the optical fiber (3) are located inside the butterfly unit body (191), and the two reinforcing steel wires (192) are located on the left and right sides of the optical fiber (3).

8. The optical cable with a special-shaped protective component according to claim 7, characterized in that: The fourth transverse plates (43) of the two second special-shaped reinforcement members (4) are connected, and the two second special-shaped reinforcement members (4) are integrally formed.

9. The optical cable with a special-shaped protective component according to claim 8, characterized in that: The material of the second special-shaped reinforcement member (4) is stainless steel or glass fiber reinforced plastic.

10. The optical cable with special-shaped protective components according to claim 9, characterized in that: The butterfly-shaped unit body (191) is provided with a second tearing opening for separating the optical fiber (3).

Images