Hollow filling rope for optical cable

Abstract

The utility model discloses a hollow filling rope for an optical cable, which belongs to the related technical field of optical cables and comprises a first filling rope and a central support, a central reinforcing core is arranged at the central position of the optical cable, and a loose tube and the first filling rope are arranged on the outer side of the central reinforcing core. Outer arc protruding strips are evenly distributed on the edge of the outer side of the first filling rope, a first hollow inner cavity is formed in the center of the first filling rope, the diameter of the first hollow inner cavity is 1 / 3-1 / 2 of the diameter of the outer side of the first filling rope, and optical fibers are arranged in the loose tube. According to the utility model, the hollow inner cavities with different specifications are arranged in the filling rope, so that raw materials used in the processing process of the filling rope can be effectively reduced, meanwhile, the outer arc raised lines and the outer sawtooth raised lines with different specifications are arranged on the outer side of the filling rope, so that yarn binding and twisting during cabling are facilitated, and meanwhile, when the sleeve filler is filled, the diameter of the filling rope is reduced. The contact area of the filling rope and the ointment can be increased, and the cabling assembly stability of the optical cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of optical cable, and concretely relates to a hollow filling rope for optical cable. BACKGROUND

[0002] An optical cable is a communication line for transmitting optical signals, mainly composed of optical fibers, plastic protective sleeves and outer skins. The core component of the optical cable is an optical fiber made of high-purity glass or plastic, which transmits signals by using the principle of total reflection of light. The structure of the optical cable usually includes optical fibers, cladding layers, buffer layers, armored layers, fillers and outer sheaths, and the parts work together to protect and transmit optical signals. The optical cable filling rope refers to a rope-shaped object formed by filling some materials with good elasticity between the optical cable core and the optical fiber longitudinally, and is usually made of polystyrene foam, polyurethane foam and other materials. The existing optical cable filling rope is usually solid, and the outer wall is smooth. After the cable is twisted and twisted, the outer wall of the filling rope has small friction, is easy to loosen and affects the subsequent cable assembly. At the same time, the solid structure of the optical cable filling rope consumes more materials and has a relatively high use cost.

[0003] Therefore, the utility model is provided. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a hollow filling rope for optical cable. To solve the above technical problems, the basic idea of the technical scheme of the utility model is as follows:

[0005] A hollow filling rope for optical cable, which comprises a filling rope one and a center support, and a center reinforcing core is arranged at the center position of the optical cable. A thimble is arranged on the outer side of the center reinforcing core, and the filling rope one is arranged on the outer side of the thimble. Outer arc protrusions are uniformly arranged on the outer side edges of the filling rope one. A hollow inner cavity one is arranged at the center position of the filling rope one. The diameter of the hollow inner cavity one is 1 / 3-1 / 2 of the outer diameter of the filling rope one. An optical fiber is arranged in the thimble. A thimble filler is arranged between the optical fiber and the inner wall of the thimble. An aluminum-plastic composite belt is arranged on the outer side of the thimble. A cable core filler is arranged between the aluminum-plastic composite belt and the thimble. An inner sheath is arranged on the outer side of the aluminum-plastic composite belt. A steel wire is arranged between the inner sheath and the outer sheath, and the steel wire is arranged along the length direction of the optical cable.

[0006] As a further scheme of the utility model, the filling rope two replaces the filling rope one, the outer side of the filling rope two is provided with the same outer arc protrusions as the filling rope one, a center support is arranged at the center position of the filling rope two, a reinforcing rib is arranged between the center support and the inner wall of the filling rope two, and the reinforcing rib supports a hollow inner cavity two. The reinforcing rib is used to improve the overall structural strength of the filling rope two.

[0007] As a further scheme of the utility model: the outer wall thickness of the filling rope two is 1 / 3 of the overall radius of the filling rope, the radius size of the center support is consistent with the outer wall thickness size of the filling rope two, the reinforcing ribs in the filling rope two are uniformly arranged along the circumferential direction.

[0008] As a further scheme of the utility model: the filling rope three replaces the filling rope one, the outer side of the filling rope three is uniformly provided with outer sawtooth protrusions along the circumferential direction, the center position of the filling rope three is provided with the hollow cavity one same as the filling rope one, and different shapes of the outer toothed strips satisfy diversified use requirements.

[0009] As a further scheme of the utility model: the filling rope four replaces the filling rope one, the outer side of the filling rope four is uniformly provided with outer sawtooth protrusions along the circumferential direction, the center position of the filling rope four is provided with the center support, the reinforcing ribs are arranged between the center support and the inner wall of the filling rope four, so that the structural stability of the filling rope four is improved.

[0010] As a further scheme of the utility model: the outer wall thickness of the filling rope four is 1 / 3 of the overall radius of the filling rope, the radius size of the center support is consistent with the outer wall thickness size of the filling rope four, and the reinforcing ribs in the filling rope four are uniformly arranged along the circumferential direction.

[0011] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art.

[0012] The utility model discloses a hollow cavity of different specifications is arranged in the filling rope, which can effectively reduce the raw materials used in the processing of the filling rope, and different specifications of outer arc protrusions and outer sawtooth protrusions are arranged on the outer side of the filling rope, facilitating the twisting and stranding of the yarn during the cable formation, and the contact area between the filling rope and the oil paste can be increased during the filling of the sleeve filling, thereby improving the stability of the cable formation assembly.

[0013] The specific implementation of the utility model will be described in further detail below with reference to the drawings. DRAWINGS

[0014] The drawings are part of the application and are used to provide a further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, but do not constitute an improper limitation on the utility model. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0015] Figure 1The filling rope use state structure schematic view of the utility model is shown in the figure.

[0016] Figure 2 The filling rope use state end surface schematic view of the utility model is shown in the figure.

[0017] Figure 3 The filling rope one schematic view of the utility model is shown in the figure.

[0018] Figure 4 The filling rope two schematic view of the utility model is shown in the figure.

[0019] Figure 5 The filling rope three schematic view of the utility model is shown in the figure.

[0020] Figure 6 The filling rope four schematic view of the utility model is shown in the figure.

[0021] In the figure: 1, filling rope one; 2, outer arc convex strip; 3, hollow inner cavity one; 4, outer sheath; 5, steel wire; 6, inner sheath; 7, aluminum plastic composite belt; 8, cable core filler; 9, loose tube; 10, tube filler; 11, optical fiber; 12, center reinforcing core; 13, filling rope two; 14, center support; 15, reinforcing rib; 16, filling rope three; 17, outer sawtooth convex strip; 18, filling rope four; 19, hollow inner cavity two.

[0022] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model but not to limit the scope of the utility model.

[0024] As Figures 1 to 6As shown, a hollow filling rope for optical cable, the filling rope one 1 and the center support 14, the center position of the optical cable is provided with the center reinforcing core 12, the outer side of the center reinforcing core 12 is arranged and provided with the loose tube 9 and the filling rope one 1, the outer side edge of the filling rope one 1 is uniformly arranged and provided with the outer circular arc convex strip 2, the center position of the filling rope one 1 is arranged and provided with the hollow inner cavity one 3, the diameter of the hollow inner cavity one 3 is 1 / 3-1 / 2 of the outer side diameter of the filling rope one 1, the loose tube 9 is arranged and provided with the optical fiber 11, the optical fiber 11 and the inner wall of the loose tube 9 are arranged and provided with the tube filler 10, the outer side of the loose tube 9 is arranged and provided with the aluminum-plastic composite tape 7, the aluminum-plastic composite tape 7 and the loose tube 9 are arranged and provided with the cable core filler 8, the outer side of the aluminum-plastic composite tape 7 is arranged and provided with the inner sheath 6, the inner sheath 6 and the outer sheath 4 are arranged and provided with the steel wire 5, and the steel wire 5 is arranged and provided along the length direction of the optical cable.

[0025] Among them, the filling rope two 13 replaces the filling rope one 1, the outer side of the filling rope two 13 is arranged and provided with the same outer circular arc convex strip 2 as the filling rope one 1, the center position of the filling rope two 13 is arranged and provided with the center support 14, the center support 14 and the inner wall of the filling rope two 13 are arranged and provided with the reinforcing rib 15, the reinforcing rib 15 is arranged and provided with the hollow inner cavity two 19, and the reinforcing rib 15 is used to improve the overall structural strength of the filling rope two 13.

[0026] The outer wall thickness of the filling rope two 13 is 1 / 3 of the overall radius of the filling rope, the radius size of the center support 14 is consistent with the outer wall thickness size of the filling rope two 13, and the reinforcing rib 15 in the filling rope two 13 is uniformly arranged along the circumferential direction.

[0027] The filling rope three 16 replaces the filling rope one 1, the outer side of the filling rope three 16 is uniformly arranged and provided with the outer sawtooth convex strip 17 along the circumferential direction, the center position of the filling rope three 16 is arranged and provided with the same hollow inner cavity one 3 as the filling rope one 1, and the outer toothed strip of different shapes meets the diversified use demand.

[0028] The filling rope four 18 replaces the filling rope one 1, the outer side of the filling rope four 18 is uniformly arranged and provided with the outer sawtooth convex strip 17 along the circumferential direction, the center position of the filling rope four 18 is arranged and provided with the center support 14, and the center support 14 and the inner wall of the filling rope four 18 are arranged and provided with the reinforcing rib 15 for improving the structural stability of the filling rope four 18.

[0029] The outer wall thickness of the filling rope four 18 is 1 / 3 of the overall radius of the filling rope, the radius size of the center support 14 is consistent with the outer wall thickness size of the filling rope four 18, and the reinforcing rib 15 in the filling rope four 18 is uniformly arranged along the circumferential direction.

[0030] The utility model discloses a working principle is: example one: the outside of filling rope one 1 is provided with outer circular arc convex strip 2, and the setting of outer convex strip can increase the friction of filling rope one 1 and the stranding process of loose tube 9, improves the stranding stability, can increase the contact area between filling rope one 1 and sleeve filler 10 simultaneously, and sleeve filler 10 is ointment, and the central position of filling rope one 1 is provided with hollow chamber one 3, and hollow structure sets up, because the main role of filling rope is to guarantee the stability and firmness of cable structure, places cable core extrusion and deformation, and filling rope and loose tube 9 are stranding, and are provided with sleeve filler 10 outside, therefore, the hollow chamber one 3 of filling rope one 1 setting will not affect the filling, support, balanced pressure function of filling rope one 1 whole, realizes the amount of raw materials of filling rope one 1, and further reduces production cost,

[0031] Example two: the shape structure of filling rope two 13 is same with filling one, is provided with outer circular arc convex strip 2 outside, is provided with center support 14 and reinforcing rib 15 in filling rope two 13, and hollow chamber two 19 is formed between reinforcing rib 15, also can reduce the amount of raw materials, saves the cost,

[0032] Example three: the main body structure of filling rope three 16 is same with filling rope one 1, changes outer circular arc convex strip 2 of filling rope one 1 into outer sawtooth convex strip 17, to adapt the stranding use demand of different strand optical cable,

[0033] Example four: the main body structure of filling rope four 18 is same with filling rope two 13, changes outer circular arc convex strip 2 of filling rope one 1 into outer sawtooth convex strip 17, to adapt the stranding use demand of different strand optical cable,

[0034] Filling rope one 1, filling rope two 13, filling rope three 16, filling rope four 18 are provided with different diameter specifications, to adapt different specifications loose tube 9, the outer convex strip of the application is not only limited with outer circular arc and outer sawtooth, and other convex strip shapes also fall within the protection scope of the application,

[0035] The utility model discloses filling rope inside is provided with different specifications hollow chamber, can effectively reduce the raw materials used in the processing of filling rope, and is provided with different specifications outer circular arc convex strip 2, outer sawtooth convex strip 17 on the outside of filling rope simultaneously, facilitates the stranding of cable, and when filling sleeve filler 10, can increase the contact area of filling rope and ointment, improves the stability of optical cable stranding assembly.

[0036] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A hollow filler cord for optical cables comprising a filler cord one (1) and a central support (14), characterized in that, The center position of the optical cable is provided with a center reinforcing core (12), the outer side of the center reinforcing core (12) is provided with a loose tube (9) and the filling rope one (1), the outer side edge of the filling rope one (1) is uniformly provided with an outer circular arc convex strip (2), the center position of the filling rope one (1) is provided with a hollow inner cavity one (3), the diameter of the hollow inner cavity one (3) is 1 / 3-1 / 2 of the outer diameter of the filling rope one (1), the loose tube (9) is provided with an optical fiber (11), the optical fiber (11) and the inner wall of the loose tube (9) are provided with a tube filler (10), the outer side of the loose tube (9) is provided with an aluminum plastic composite belt (7), the aluminum plastic composite belt (7) and the loose tube (9) are provided with a cable core filler (8), the outer side of the aluminum plastic composite belt (7) is provided with an inner sheath (6), the inner sheath (6) and the outer sheath (4) are provided with a steel wire (5).

2. The hollow filler cord for optical fiber cables according to claim 1, wherein The filling rope two (13) replaces the filling rope one (1), the outer side of the filling rope two (13) is provided with the same outer circular arc convex strip (2) as the filling rope one (1), the center position of the filling rope two (13) is provided with a center support (14), the center support (14) and the inner wall of the filling rope two (13) are provided with a reinforcing rib (15), and the reinforcing rib (15) is supported to form a hollow inner cavity two (19).

3. The hollow filler cord for an optical fiber cable according to claim 2, wherein The outer wall thickness of the filling rope two (13) is 1 / 3 of the overall radius of the filling rope, and the radius size of the center support (14) is consistent with the outer wall thickness size of the filling rope two (13).

4. The hollow filler cord for optical fiber cable according to claim 1, wherein The filling rope three (16) replaces the filling rope one (1), the outer side of the filling rope three (16) is uniformly provided with an outer sawtooth convex strip (17) in the circumferential direction, and the center position of the filling rope three (16) is provided with the same hollow inner cavity one (3) as the filling rope one (1).

5. The hollow filler cord of claim 2, wherein the cord is a cable having a diameter of 0.5 to 2.0 mm. The filling rope four (18) replaces the filling rope one (1), the outer side of the filling rope four (18) is uniformly provided with an outer sawtooth convex strip (17) in the circumferential direction, the center position of the filling rope four (18) is provided with the center support (14), and the center support (14) and the inner wall of the filling rope four (18) are provided with the reinforcing rib (15).

6. A hollow filler cord for an optical cable according to claim 5, wherein The outer wall thickness of the filling rope four (18) is 1 / 3 of the overall radius of the filling rope, and the radius size of the center support (14) is consistent with the outer wall thickness size of the filling rope four (18).

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