Tandem reinforced indoor lead-in optical cable

Abstract

The utility model relates to the technical field of indoor optical cables, in particular to a tandem type reinforced indoor lead-in optical cable, which comprises an optical cable body and a protective device, the optical cable body comprises a protective sleeve and a plurality of optical fiber core bodies, the plurality of optical fiber core bodies are arranged in the protective sleeve, and the protective device is arranged on the surface of the optical cable body. The protection device comprises a protection sleeve, the protection sleeve is arranged on one side of the optical cable body, the protection sleeve is connected with the optical cable body in a sleeved mode, and the inner wall of the protection sleeve is fixedly connected with a plurality of sets of sliding sleeves. The phenomenon that the service life is seriously influenced by heating due to the fact that optical cables are easily stacked together is avoided, the situation that normal information transmission is influenced due to damage caused by extrusion and friction of indoor lead-in optical cables is reduced, and the overall practicability of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of indoor optical cables, in particular to a series-connected reinforced indoor introduction optical cable. Background Art

[0002] Indoor optical cables are optical cables laid inside buildings. They are mainly used for communication equipment, computers, switches and end-user equipment inside buildings to transmit information. Indoor optical cables are often connected in series with outdoor optical cables.

[0003] The prior art is a utility model with a publication number of CN201449476U. The utility model provides an indoor optical cable, which can effectively reduce the shrinkage rate in the temperature range of -30 to +70 degrees Celsius. The indoor optical cable includes an optical fiber, a tight sleeve layer, a reinforcing element, and a sheath from the inside to the outside. The filling degree of the reinforcing element is 70 to 75% of the gap between the tight sleeve layer and the sheath. As an improvement of the utility model, the peelable length of the sheath and the reinforcing element is 20-40 cm. The filling degree of the reinforcing element of the utility model is much higher than that of the prior art. level, thereby effectively reducing the shrinkage rate of the optical cable sheath. The sheath adopts a tubular extrusion die to make the sheath more closely connected with the interior, thereby further reducing its shrinkage rate. The utility model can reduce the shrinkage rate of the low-smoke halogen-free sheath indoor optical cable sheath to 1% within the temperature range of -30 to +70 degrees Celsius, solving the problem that the high shrinkage rate of the sheath will cause the length of the optical fiber in the cable to change, resulting in internal stress at the junction of the optical cable and the optical fiber connector, increasing the attenuation of the line, and long-term internal stress may even cause the optical fiber to break at the connection.

[0004] The inventors have discovered in their daily work that during the laying process of existing indoor optical cables, the optical cables are easily piled up, causing heat to seriously affect their service life. The indoor optical cables are easily damaged by squeezing and friction, which affects the normal transmission of information. This in turn leads to the problem that the optical cables are easily piled up, resulting in poor heat dissipation and easy wear. Utility Model Content

[0005] The utility model aims to solve the shortcomings of poor heat dissipation and easy wear in the prior art, and proposes a series-connected reinforced indoor introduction optical cable.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a series-type reinforced indoor introduction optical cable, including an optical cable body and a protective device, the optical cable body includes a protective cover and an optical fiber core body, there are multiple optical fiber core bodies, the multiple optical fiber core bodies are arranged in the protective cover, and the protective device is arranged on the surface of the optical cable body.

[0007] Preferably, the protective device includes a protective cover, which is arranged on one side of the optical cable body, and the protective cover is sleeve-connected to the optical cable body. The inner wall of the protective cover is fixedly connected with multiple groups of sliding sleeves, and the inner walls of the multiple groups of sliding sleeves are slidably connected with support rods. Through the above components, multiple support rods can support the optical cable body in the protective cover, so that a gap is left between the optical cable body and the protective cover to facilitate air flow for heat dissipation. At the same time, the protective cover can protect the optical cable body, thereby enhancing the service life of the optical cable body.

[0008] Preferably, the support rod is fixedly connected to one end close to the optical cable body with a butt piece, and the fitting surface of the butt piece is an arc surface. Through the above components, the fitting surface of the butt piece is an arc surface, which allows the butt piece to better fit the optical cable body and allows the support rod to support the optical cable body.

[0009] Preferably, a plurality of heat dissipation holes are provided on the surface of the protective cover, and the plurality of heat dissipation holes are arranged at equal intervals. Through the above components, the heat dissipation holes can cooperate with the air flowing in the protective cover to achieve rapid heat dissipation and increase the service life of the optical cable body.

[0010] Preferably, a spring is provided on the inner wall of the sliding sleeve, and both ends of the spring are fixedly connected to one end of the support rod and the inner wall of the sliding sleeve respectively. Through the above components, when the spring cooperates with the support rod and the stopper to clamp the optical cable body, it can play a buffering and protective role when the optical cable body is vibrated.

[0011] Preferably, an auxiliary rod is fixedly connected to one side corresponding to the retaining piece, and the side of the auxiliary rod close to the optical cable body is curved. Through the above components, the auxiliary rod can cooperate with the retaining piece to better fit the optical cable body, increase the contact surface, and make the clamping more stable.

[0012] Preferably, the surface of the protective cover is provided with an auxiliary device, and the auxiliary device includes a protrusion. There are multiple protrusions, and the multiple protrusions are respectively fixedly connected to the surface of the protective cover. Through the above-mentioned components, the protrusions on the surface of the protective cover can leave a gap between the bottom of the protective cover and the wiring area, thereby facilitating air circulation.

[0013] Preferably, two stabilizing blocks are fixedly connected to the surface of the protrusion, and the two stabilizing blocks are symmetrically arranged with the protrusion. Through the above components, the stabilizing blocks on both sides of the protrusion can improve the overall stabilizing effect of the protective sleeve.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are:

[0015] 1. In the utility model, by setting a protective device, when it is needed, the optical cable body is placed in the protective cover, the protective cover can protect the optical cable body, and multiple optical cable bodies can also be separated, the spring cooperates with the support rod and the arc surface of the retaining piece to fit on the optical cable, and the retaining piece cooperates with the auxiliary rod to better fit on the optical cable, thereby increasing the contact surface, and multiple support rods cooperate with the retaining piece to limit the optical cable to the center of the protective cover, so that a gap is generated between the surrounding of the optical cable body and the protective cover, and the gap cooperates with the heat dissipation hole to prevent air from circulating, thereby quickly dissipating heat, and by setting a protective device, the indoor introduction optical cable can be protected and dissipated, which can effectively reduce the existing indoor introduction optical cable during the laying process, the optical cable is easily piled up in one piece, causing heat to seriously affect the service life, and reduces the indoor introduction optical cable is easily damaged by extrusion and friction, which affects the normal transmission of information, thereby improving the overall practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a series-type reinforced indoor introduction optical cable;

[0017] Figure 2 The utility model proposes a series-type reinforced indoor introduction optical cable Figure 1 Schematic diagram of the structure at A in the middle;

[0018] Figure 3 The utility model provides a cross-sectional structural schematic diagram of a protective device for strengthening indoor introduction of optical cables in series;

[0019] Figure 4 The utility model proposes a series-type reinforced indoor introduction optical cable Figure 3 Schematic diagram of the structure at B in the middle;

[0020] Figure 5 The utility model provides a partial structural schematic diagram of a series-connected protective device for reinforcing indoor optical cable introduction.

[0021] Legend:

[0022] 1. Optical cable body; 11. Protective cover; 12. Optical fiber core; 2. Protective device; 21. Protective cover; 22. Heat dissipation hole; 23. Sliding sleeve; 24. Support rod; 25. Stop piece; 26. Auxiliary rod; 27. Spring; 3. Auxiliary device; 31. Bump; 32. Stabilizing block. DETAILED DESCRIPTION

[0023] See also Figure 1-5The utility model provides a technical solution: a series-type reinforced indoor introduction optical cable, including an optical cable body 1 and a protective device 2, the optical cable body 1 includes a protective cover 11 and an optical fiber core 12, there are multiple optical fiber cores 12, the multiple optical fiber cores 12 are arranged in the protective cover 11, and the protective device 2 is arranged on the surface of the optical cable body 1.

[0024] The specific settings and functions of the protective device 2 and the auxiliary device 3 are described in detail below.

[0025] Specifically, the protective device 2 includes a protective sleeve 21, which is arranged on one side of the optical cable body 1, and is sleeved and connected to the optical cable body 1. The inner wall of the protective sleeve 21 is fixedly connected to multiple sets of sliding sleeves 23, and the inner walls of the multiple sets of sliding sleeves 23 are slidably connected to support rods 24.

[0026] In this embodiment, a plurality of support rods 24 can support the optical cable body 1 in the protective cover 21, so that a gap is left between the optical cable body 1 and the protective cover 21 to facilitate air flow for heat dissipation. Meanwhile, the protective cover 21 can protect the optical cable body 1, thereby enhancing the service life of the optical cable body 1.

[0027] Specifically, one end of the support rod 24 close to the optical cable body 1 is fixedly connected with a butt piece 25, and the fitting surface of the butt piece 25 is an arc surface, which allows the butt piece 25 to better fit with the optical cable body 1 and allows the support rod 24 to support the optical cable body 1.

[0028] Specifically, a plurality of heat dissipation holes 22 are formed on the surface of the protective cover 21 , and the plurality of heat dissipation holes 22 are arranged at equal intervals.

[0029] In this embodiment, the heat dissipation holes 22 can cooperate with the air flowing in the protective cover 21 to achieve rapid heat dissipation and increase the service life of the optical cable body 1.

[0030] Specifically, a spring 27 is provided on the inner wall of the sleeve 23, and the two ends of the spring 27 are fixedly connected to one end of the support rod 24 and the inner wall of the sleeve 23 respectively. When the spring 27 cooperates with the support rod 24 and the stopper 25 to clamp the optical cable body 1, it can play a buffering and protective role when the optical cable body 1 is subjected to vibration.

[0031] Specifically, an auxiliary rod 26 is fixedly connected to one side corresponding to the stopper 25 , and a side of the auxiliary rod 26 close to the optical cable body 1 is in a curved surface.

[0032] In this embodiment, the auxiliary rod 26 can cooperate with the abutment piece 25 to better fit with the optical cable body 1, thereby increasing the contact surface and making the clamping more stable.

[0033] Specifically, an auxiliary device 3 is provided on the surface of the protective cover 21, and the auxiliary device 3 includes a protrusion 31. There are multiple protrusions 31, and the multiple protrusions 31 are respectively fixedly connected to the surface of the protective cover 21. The protrusions 31 on the surface of the protective cover 21 can leave a gap between the bottom of the protective cover 21 and the wiring area, thereby facilitating air circulation.

[0034] Specifically, two stabilizing blocks 32 are fixedly connected to the surface of the protrusion 31 , and the two stabilizing blocks 32 are symmetrically arranged with respect to the protrusion 31 .

[0035] In this embodiment, the stabilizing blocks 32 on both sides of the protrusion 31 can improve the overall stabilizing effect of the protective sleeve 21 .

[0036] Working principle: by setting the protective device 2, when it is needed, the optical cable body 1 is placed in the protective cover 21, the protective cover 21 can protect the optical cable body 1, and can also separate multiple optical cable bodies 1, the spring 27 cooperates with the support rod 24 and the arc surface of the retaining piece 25 to fit on the optical cable, and the retaining piece 25 cooperates with the auxiliary rod 26 to better fit on the optical cable, thereby increasing the contact surface, and multiple support rods 24 cooperate with the retaining piece 25 to limit the optical cable to the center of the protective cover 21, so that a gap is generated between the surrounding of the optical cable body 1 and the protective cover 21, and the gap cooperates with the heat dissipation hole 22 to prevent air from circulating, thereby quickly dissipating heat, and by setting the protective device 2, the indoor optical cable can be protected and cooled, which can effectively reduce the existing indoor optical cable introduction process. The optical cables are easily piled up in one piece during the laying process, causing heat to seriously affect the service life, and reduce the indoor optical cable introduction. The situation that the damage caused by extrusion and friction affects the normal transmission of information, thereby improving the overall practicality of the equipment.

[0037] By setting the auxiliary device 3, when the equipment needs to be used, the protrusion 31 on the surface of the protective cover 21 can leave a gap between the bottom of the protective cover 21 and the wiring area. At the same time, the two stabilizing blocks 32 on the surface of the protrusion 31 can improve the stabilizing effect of the anti-slip cover 23. By setting the auxiliary device 3, the auxiliary equipment is convenient to use, and the situation where the protective cover 21 is attached to the laying area and affects the heat dissipation effect is reduced.

Claims

1. A series-connected reinforced indoor optical cable, comprising an optical cable body (1) and a protective device (2), characterized in that: The optical cable body (1) comprises a protective cover (11) and an optical fiber core (12); there are a plurality of optical fiber cores (12); the plurality of optical fiber cores (12) are arranged in the protective cover (11); the protective device (2) is arranged on the surface of the optical cable body (1); the protective device (2) comprises a protective cover (21); the protective cover (21) is arranged on one side of the optical cable body (1); the protective cover (21) is sleeved and connected to the optical cable body (1); the inner wall of the protective cover (21) is fixedly connected to a plurality of groups of sliding sleeves (23); the inner walls of the plurality of groups of sliding sleeves (23) are slidably connected to support rods (24).

2. A serially reinforced indoor optical cable according to claim 1, characterized in that: One end of the support rod (24) close to the optical cable body (1) is fixedly connected to a butt piece (25), and the fitting surface of the butt piece (25) is a curved surface.

3. The serial reinforced indoor optical cable according to claim 1, characterized in that: A plurality of heat dissipation holes (22) are provided on the surface of the protective sleeve (21), and the plurality of heat dissipation holes (22) are arranged at equal intervals.

4. The serial reinforced indoor optical cable according to claim 1, characterized in that: The inner wall of the sliding sleeve (23) is provided with a spring (27), and the two ends of the spring (27) are respectively fixedly connected to one end of the support rod (24) and the inner wall of the sliding sleeve (23).

5. The serial reinforced indoor optical cable according to claim 2, characterized in that: An auxiliary rod (26) is fixedly connected to one side corresponding to the stopper (25); a side of the auxiliary rod (26) close to the optical cable body (1) is in the form of a curved surface.

6. A serially reinforced indoor optical cable according to claim 5, characterized in that: An auxiliary device (3) is provided on the surface of the protective sleeve (21), and the auxiliary device (3) comprises a convex block (31). There are a plurality of convex blocks (31), and the plurality of convex blocks (31) are respectively fixedly connected to the surface of the protective sleeve (21).

7. A serially reinforced indoor optical cable according to claim 6, characterized in that: Two stabilizing blocks (32) are fixedly connected to the surface of the convex block (31), and the two stabilizing blocks (32) are symmetrically arranged with respect to the convex block (31).

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