Butterfly-shaped lead-in photoelectric composite cable
By using a flexible structure design, the problem of damage to the butterfly-shaped fiber optic composite cable under small bending radii was solved, achieving better bending performance and fiber protection, while maintaining the transmission performance and mechanical strength of the fiber.
Patent Information
- Application Number
- CN202423071182.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing butterfly-shaped fiber optic composite cables cannot meet the installation requirements for small bending radii in complex environments and are easily damaged.
The flexible structure design includes components such as a flexible sleeve, flexible reinforcing ribs, elastic rubber filling layer, silicone protective sleeve, elastic hose and elastic telescopic ring, which improves the flexibility and anti-flattening ability of the optical cable and enhances its bending performance.
It improves the flexibility and anti-flattening ability of optical cables under small bending radii, reduces fiber loss, and maintains the transmission performance and mechanical strength of optical fibers.
Smart Images

Figure CN223808923U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to photoelectric composite cable technical field, concretely is a butterfly shape and introduce photoelectric composite cable. BACKGROUND
[0002] Butterfly shape and introduce photoelectric composite cable is a kind of cable that integrates optical fiber communication and power transmission function, it combines the advantages of butterfly shape optical cable and photoelectric composite technology.This composite cable has sheath unit, first power transmission body, second power transmission body and butterfly shape and introduce light unit, wherein sheath unit is usually composed of multilayer sheath, provides comprehensive protection for cable.Butterfly shape and introduce light unit is located in optical communication hole, and it is composed of optical fiber and first reinforcing member and second reinforcing member located on the upper and lower sides of optical fiber, these elements are tightly covered by butterfly shape protective sleeve, ensure the transmission performance and mechanical strength of optical fiber.First power transmission body and second power transmission body are located in different sheaths respectively, and they are composed of conductor and its insulating layer, responsible for the transmission of power signal.
[0003] At present, butterfly shape and introduce photoelectric composite cable is used in complex construction environment, especially under smaller bending radius, butterfly shape and introduce optical cable lacks certain bending performance, generally using glass fiber reinforced plastic as reinforcing material, butterfly shape and introduce optical cable may not completely meet the installation requirements in complex environment, and is easy to be damaged under smaller bending radius, therefore a kind of butterfly shape and introduce photoelectric composite cable is proposed. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of prior art, the utility model provides a kind of butterfly shape and introduce photoelectric composite cable, with the advantages of improving the bending performance of butterfly shape and introduce photoelectric composite cable, solve the problem that butterfly shape and introduce optical cable using glass fiber reinforced plastic as reinforcing material may not completely meet the installation requirements in complex environment, and is easy to be damaged under smaller bending radius.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of butterfly shape and introduce photoelectric composite cable, including butterfly shape and introduce optical cable and optical cable cover, the outer wall of the butterfly shape and introduce optical cable is equipped with flexible structure;
[0006] The flexible structure includes flexible sleeve bonded to the inner circumferential wall of optical cable cover, the inner circumferential wall of the flexible sleeve is bonded with multiple flexible reinforcing ribs, the inside of the flexible sleeve is filled with elastic glue filling layer, the outer circumferential wall of the optical cable cover is bonded with silica gel protective sleeve, the outer circumferential wall of the silica gel protective sleeve is slidably connected with elastic hose, the outer circumferential wall of the elastic hose is sleeved with elastic expansion ring, and the outer circumferential wall of the elastic hose is movably connected with wear-resistant elastic pad.
[0007] Further, the flexible sleeve is two, the flexible reinforcing rib is bonded between the two flexible sleeves, the flexible reinforcing ribs are equal in spacing, and the flexible reinforcing ribs are filled with flexible yarns between the spacing.
[0008] Further, the elastic rubber filling layer is filled between the flexible sleeve and the butterfly-shaped lead-in optical cable.
[0009] Further, the outer peripheral wall of the elastic hose is provided with three annular limiting grooves, the elastic expansion rings are movably installed in the annular limiting grooves and are appropriately sized, and the number of the elastic expansion rings is two.
[0010] Further, the wear-resistant elastic pad is arc-shaped and is slidably connected to the outer peripheral wall of the elastic hose and located at the bottom of the elastic hose.
[0011] Further, the butterfly-shaped lead-in optical cable is located in the optical cable sleeve.
[0012] Compared with the prior art, the technical scheme has the following beneficial effects:
[0013] The butterfly-shaped lead-in optical fiber composite cable improves the flexibility of the optical cable through the flexible sleeve and the flexible reinforcing rib, helps to disperse the stress when bending through the action of the elastic rubber filling layer, improves the flexibility of the optical cable, and can adapt to a smaller bending radius due to the good elasticity and flexibility of the silica gel through the action of the silica gel protective sleeve, and the flexibility of the optical cable is improved through the action of the elastic hose and the elastic expansion ring. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is the utility model Figure 1 It is a left side structural schematic view;
[0016] Figure 3 It is a structural schematic view of the utility model elastic expansion ring and wear-resistant elastic pad connection structure.
[0017] In the figure:
[0018] 1, butterfly-shaped lead-in optical cable; 2, optical cable sleeve; 3, flexible sleeve; 4, flexible reinforcing rib; 5, elastic rubber filling layer; 6, silica gel protective sleeve; 7, elastic hose; 8, elastic expansion ring; 9, wear-resistant elastic pad. DETAILED DESCRIPTION
[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made belong to the scope of protection of the present application.
[0020] Please refer to Figures 1 to 3 The butterfly-shaped lead-in optical fiber cable in the embodiment comprises a butterfly-shaped lead-in optical cable 1 and an optical cable sleeve 2, and the outer wall of the butterfly-shaped lead-in optical cable 1 is provided with a flexible structure.
[0021] The butterfly-shaped lead-in optical cable 1 is located inside the optical cable sleeve 2.
[0022] The flexible structure comprises a flexible sleeve 3 adhered to the inner circumferential wall of the optical cable sleeve 2, a plurality of flexible reinforcing ribs 4 are adhered to the inner circumferential wall of the flexible sleeve 3, there are two flexible sleeves 3, the flexible reinforcing ribs 4 are adhered between the two flexible sleeves 3, the plurality of flexible reinforcing ribs 4 have equal spacing, and the spacing between the plurality of flexible reinforcing ribs 4 is filled with flexible yarns.
[0023] The inside of the flexible sleeve 3 is filled with an elastic glue filling layer 5, the elastic glue filling layer 5 is filled between the flexible sleeve 3 and the butterfly-shaped lead-in optical cable 1, the outer circumferential wall of the optical cable sleeve 2 is adhered with a silica gel protective sleeve 6, the outer circumferential wall of the silica gel protective sleeve 6 is slidably connected with an elastic hose 7, the outer circumferential wall of the elastic hose 7 is sleeved with an elastic expansion ring 8, three annular limiting grooves are formed in the outer circumferential wall of the elastic hose 7, the elastic expansion ring 8 is movably installed in the inside of the annular limiting grooves and is appropriately sized, there are two elastic expansion rings 8, the outer circumferential wall of the elastic hose 7 is movably connected with a wear-resistant elastic pad 9, the wear-resistant elastic pad 9 is arc-shaped, and the wear-resistant elastic pad 9 is slidably connected to the outer circumferential wall of the elastic hose 7 and located at the bottom thereof.
[0024] In the embodiment, the bottom of the elastic hose 7 is supported by the wear-resistant elastic pad 9, and when the butterfly-shaped lead-in optical cable 1 moves in a curved manner, the wear-resistant elastic pad 9 moves by friction with the ground, thereby preventing the elastic hose 7 and the silica gel protective sleeve 6 from being damaged by friction.
[0025] In the embodiment, the flexible sleeve 3 and the flexible reinforcing ribs 4 provide an additional protective layer, reduce the risk of physical damage to the optical fiber directly from the outside, and improve the anti-flattening capability of the optical cable, so that the optical fiber inside the optical cable is not damaged when subjected to external pressure. Moreover, the reasonable design of the flexible sleeve 3 and the flexible reinforcing ribs 4 helps to reduce the micro-bending loss of the optical fiber inside the optical cable, which is crucial for maintaining the transmission performance of the optical fiber.
[0026] In the embodiment, the elastic rubber filling layer 5 can provide additional physical protection for the optical fiber, reduce the vibration and impact that the optical fiber may be subjected to during transportation, installation and use, and help maintain the overall structural stability of the butterfly-shaped optical cable while still maintaining a certain flexibility, facilitating the bending and laying of the optical cable, preventing the optical cable from deforming when subjected to external forces, ensuring that the shape and size of the optical cable remain unchanged during long-term use, and reducing the micro-bending loss of the optical fiber when the optical cable is bent, thereby maintaining the transmission performance of the optical fiber.
[0027] The working principle of the above embodiment is as follows:
[0028] When the optical cable needs to be bent, the elastic hose 7 with an inner diameter suitable for the size of the optical cable sleeve 2 is pre-installed on the outer peripheral wall of the optical cable sleeve 2 to ensure that the optical cable can smoothly pass in, then the outer peripheral wall of the part of the optical cable that needs to be bent is cleaned, then the movable adjusting elastic hose 7 is moved to the bending part of the optical cable, and then the elastic expansion ring 8 is installed on the outer peripheral wall of the elastic hose 7, at this time the optical cable can be bent to adjust the angle.
[0029] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.
[0030] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A butterfly pigtail photoelectric composite cable comprising a butterfly pigtail optical cable (1) and an optical cable jacket (2), characterized in that: The outer wall of the butterfly-shaped lead-in optical cable (1) is provided with a flexible structure; The flexible structure comprises a flexible sleeve (3) bonded to the inner circumferential wall of the optical cable sleeve (2), the inner circumferential wall of the flexible sleeve (3) is bonded with a plurality of flexible reinforcing ribs (4), the inside of the flexible sleeve (3) is filled with an elastic rubber filling layer (5), the outer circumferential wall of the optical cable sleeve (2) is bonded with a silica gel protective sleeve (6), the outer circumferential wall of the silica gel protective sleeve (6) is slidingly connected with an elastic hose (7), the outer circumferential wall of the elastic hose (7) is sleeved with an elastic expansion ring (8), and the outer circumferential wall of the elastic hose (7) is movably connected with a wear-resistant elastic pad (9).
2. The butterfly-shaped hybrid cable of claim 1, wherein: The flexible sleeve (3) is two, the flexible reinforcing ribs (4) are bonded between the two flexible sleeves (3), the plurality of flexible reinforcing ribs (4) have equal spacing, and the spacing between the plurality of flexible reinforcing ribs (4) is filled with flexible yarn.
3. The butterfly-shaped hybrid cable of claim 1, wherein: The elastic rubber filling layer (5) is filled between the flexible sleeve (3) and the butterfly-shaped lead-in optical cable (1).
4. The butterfly-shaped hybrid cable of claim 1, wherein: The outer circumferential wall of the elastic hose (7) is provided with three annular limiting grooves, the elastic expansion ring (8) is movably installed in the inside of the annular limiting grooves and is appropriately sized, and the number of the elastic expansion ring (8) is two.
5. The butterfly-shaped hybrid cable of claim 1, wherein: The wear-resistant elastic pad (9) is arc-shaped, and the wear-resistant elastic pad (9) is slidingly connected to the outer circumferential wall of the elastic hose (7) and located at the bottom thereof.
6. The butterfly-shaped hybrid cable of claim 1, wherein: The butterfly-shaped lead-in optical cable (1) is located in the inside of the optical cable sleeve (2).