Anti-bending reinforced tail fiber
By incorporating V-shaped plates and arc-shaped sleeves within the fiber optic sheath, combined with protective springs, the problem of fiber optic cables being easily bent has been solved, achieving stable transmission of optical signals and improving the reliability of communication systems.
Patent Information
- Application Number
- CN202520140525.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Traditional fiber optic pigtails are easily subjected to external forces such as squeezing, pulling, or bending at the interface, which can lead to fiber optic cable breakage or signal attenuation, affecting communication quality.
A V-shaped plate, an arc-shaped sleeve, and reinforcing horizontal and vertical plates are installed inside the sheath of the pigtail to form a stable structure. A protective spring is installed on the surface of the optical fiber to distribute stress and limit bending, preventing excessive bending.
It effectively prevents damage to the connection between optical fiber and connector, reduces the risk of optical fiber breakage and signal interference, ensures stable transmission of optical signals, and improves the reliability of communication systems.
Smart Images

Figure CN223955849U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to tail fiber technical field, concretely relates to a kind of anti-bending reinforced tail fiber. BACKGROUND
[0002] In today's high-speed development communication field, as the key connecting component in optical communication system, tail fiber plays an important bridge role in transmitting optical signal, and is widely used in telecommunication network, data center, cable television and many other scenes.
[0003] The existing, with the continuous development of communication technology towards high speed, large capacity, the stability requirement of tail fiber transmission is increasingly strict, the traditional tail fiber is usually composed of optical fiber and connector and other basic components, however, in the actual use process, in the common application scenarios such as equipment wiring in computer room, optical fiber into house, tail fiber needs to be frequently connected with various optical equipment, such as optical module, optical fiber terminal box, etc., since the space of these connection parts is often cramped, tail fiber is easily extruded, pulled or bent at the interface by external force caused by surrounding equipment, cable and personnel operation, and once tail fiber is excessively bent at the interface, the interface of optical fiber and connector is broken, or the optical signal transmission inside the optical fiber is severely disturbed when excessively bent, so that signal attenuation or even interruption occurs, which greatly affects communication quality. CONTENT OF UTILITY MODEL
[0004] The utility model aims at providing a kind of anti-bending reinforced tail fiber to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-bending reinforced tail fiber, comprising:
[0006] Connector, the one end of the connector is connected with plug, the other end is connected with optical fiber, the connection of the optical fiber and connector is equipped with sheath, one end of the sheath is connected with fixed head and fixed head is connected with connector by screw thread, a plurality of V-shaped plates are equipped in the sheath and a plurality of arc sleeves are equipped in V-shaped plate, the arc sleeve is connected with reinforcing cross plate and reinforcing vertical plate, the reinforcing cross plate and reinforcing vertical plate are connected and the reinforcing cross plate and reinforcing vertical plate are arranged in cross shape between reinforcing cross plate and reinforcing vertical plate.
[0007] Preferably, the optical fiber surface is provided with a protective sleeve, and a wire spring is sleeved in the protective sleeve on the optical fiber surface.
[0008] Preferably, the surface of the fixed head is provided with external threads, the connector is provided with internal thread groove, and the fixed head is fixed by external threads and internal thread groove in the connector.
[0009] Preferably, the fixed head and the sheath are both provided with mounting grooves, and one end of the optical fiber penetrates through the mounting grooves and is connected with the connector.
[0010] Preferably, the connector surface is provided with a protective ridge.
[0011] Preferably, the sheath and the protective sleeve are both made of polyethylene.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] (1) The V-shaped plates, the arc-shaped sleeves, the reinforcing horizontal plates and the reinforcing vertical plates arranged in the sheath form a stable support structure, when the connection part of the connector and the optical fiber is pressed, pulled or bent by external force, the structure in the sheath can effectively disperse stress, prevent damage to the connection part of the optical fiber and the connector caused by excessive bending, greatly reduce the risk of optical fiber breakage or signal transmission interference, guarantee the stable transmission of optical signals and improve the reliability of the communication system.
[0014] (2) When the optical fiber needs to be installed with a certain degree of bending or may be bent by external force during use, the wire protection spring can provide certain support and limiting effect, which can prevent the optical fiber from being excessively bent, thereby avoiding the problem that the transmission path of optical signals in the optical fiber is changed due to excessive bending of the optical fiber, causing signal attenuation or even interruption, so that the wire protection spring can help to keep the bending radius of the optical fiber within a reasonable range and guarantee the normal transmission of optical signals. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is a structural schematic view of the utility model after the fixed head is connected with the connector;
[0017] Figure 3 It is a structural schematic view of the sheath inside the utility model;
[0018] Figure 4 It is a structural schematic view of the wire protection spring of the utility model.
[0019] In the drawing: 1, connector; 2, plug; 3, optical fiber; 4, sheath; 5, fixed head; 6, V-shaped plate; 7, arc-shaped sleeve; 8, reinforcing horizontal plate; 9, reinforcing vertical plate; 10, protective sleeve; 11, wire protection spring; 12, external thread; 13, internal thread groove; 14, installation groove; 15, protective ridge. DETAILED DESCRIPTION
[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.
[0021] The utility model provides a kind of anti-bending reinforced type tail fiber as Figures 1-4 As shown in a kind of anti-bending reinforced type tail fiber, comprising:
[0022] Connector 1, one end of the connector 1 is connected with plug 2, the other end is connected with optical fiber 3, the connecting place of optical fiber 3 with connector 1 is equipped with sheath 4, one end of the sheath 4 is connected with fixed head 5 and fixed head 5 is connected with connector 1 by screw thread, a plurality of V-shaped plates 6 are equipped in the sheath 4 and a plurality of arc-shaped sleeves 7 are equipped in V-shaped plate 6, the arc-shaped sleeve 7 is connected with reinforcing cross plate 8 and reinforcing vertical plate 9, the reinforcing cross plate 8 and reinforcing vertical plate 9 are connected and the reinforcing cross plate 8 and reinforcing vertical plate 9 are arranged in the shape of cross, this connection mode greatly enhances the rigidity of the overall structure of sheath 4, by the cross-shaped reinforcing cross plate 8 and reinforcing vertical plate 9 cooperation, form stable frame structure, reinforce the internal structure of sheath 4.
[0023] The surface of optical fiber 3 is provided with a protective sleeve 10, and the optical fiber 3 is sleeved with a wire spring 11 inside the protective sleeve 10.
[0024] The surface of the fixed head 5 is provided with external threads 12, the connector 1 is provided with internal thread grooves 13, the fixed head 5 is fixed by screw thread with the internal thread grooves 13 in the connector 1, the operator can relatively easily rotate the fixed head 5 into or out of the internal thread grooves 13 of the connector 1, when the tail fiber needs to be maintained, replaced or equipment overhauled, the sheath 4 can also be conveniently disassembled, without the aid of complex tools or destructive operation, reduce the difficulty and cost of maintenance.
[0025] The fixed head 5 and the sheath 4 are both provided with mounting grooves 14, and one end of the optical fiber 3 penetrates the mounting grooves 14 and is connected with the connector 1.
[0026] The surface of the connector 1 is provided with a protective relief 15, which can increase the friction between the fingers and the connector 1 when plugging the connector 1, so that the operator can hold the connector 1 more stably for operation, avoiding the difficulty of plugging or operation error due to slippery hands, improving the accuracy and efficiency of operation.
[0027] The sheath 4 and the protective sleeve 10 are made of polyethylene material, the sheath 4 and the protective sleeve 10 made of polyethylene material can effectively block the interference of external electric field on the transmission signal of the optical fiber 3, ensure the stable transmission of optical signal in the optical fiber 3, and maintain the accuracy and reliability of communication.
[0028] When the connector 1 and the optical fiber 3 are connected and subjected to external force, the structure system composed of the V-shaped plate 6, the arc-shaped sleeve 7, the reinforcing horizontal plate 8 and the reinforcing vertical plate 9 in the sheath 4 begins to play a role, the V-shaped plate 6 uses its special shape and arrangement to guide and disperse the external force to multiple directions, avoiding stress concentration at the connection between the optical fiber 3 and the connector 1, the arc-shaped sleeve 7 provides support to the reinforcing horizontal plate 8 and the reinforcing vertical plate 9 inside through its arc-shaped structure, the reinforcing horizontal plate 8 and the reinforcing vertical plate 9 are connected in a cross shape, further enhancing the stability and bending resistance of the sheath 4, thereby effectively resisting the bending effect of external force through the sheath 4, protecting the optical fiber 3 in the sheath 4 and maintaining the normal transmission state of the optical fiber 3.
[0029] When the optical fiber 3 needs to be installed with a certain degree of bending or may be bent due to external force during use, the wire protection spring 11 on the surface of the optical fiber 3 can provide certain support and limiting effect, which can prevent the optical fiber 3 from being excessively bent, thereby avoiding the problem that the transmission path of optical signal in the optical fiber 3 changes due to excessive bending of the optical fiber 3, causing signal attenuation or even interruption, thereby helping to keep the bending radius of the optical fiber 3 within a reasonable range through the wire protection spring 11 and ensuring the normal transmission of optical signal.
[0030] Finally, it should be noted that the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacement of some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A bend-insensitive and reinforced type of pigtail, characterized by, Include: The connector (1) is connected with the plug (2) at one end, and is connected with the optical fiber (3) at the other end, the connecting part of the optical fiber (3) and the connector (1) is provided with a sheath (4), one end of the sheath (4) is connected with a fixing head (5), and the fixing head (5) is screwed with the connector (1), a plurality of V-shaped plates (6) are arranged in the sheath (4), and a plurality of arc sleeves (7) are arranged in the V-shaped plates (6), the arc sleeves (7) are connected with reinforcing horizontal plates (8) and reinforcing vertical plates (9), the reinforcing horizontal plates (8) and the reinforcing vertical plates (9) are connected and arranged in a cross shape between the reinforcing horizontal plates (8) and the reinforcing vertical plates (9).
2. The bend-insensitive reinforced pigtail fiber according to claim 1, wherein: The surface of the optical fiber (3) is provided with a protective sleeve (10), and the optical fiber (3) is sleeved with a wire spring (11) in the protective sleeve (10).
3. The bend-insensitive reinforced pigtail fiber according to claim 1, wherein: The surface of the fixing head (5) is provided with external threads (12), the connector (1) is provided with an internal thread groove (13), and the fixing head (5) is fixed by the external threads (12) and the internal thread groove (13) in the connector (1).
4. The bend-insensitive reinforced pigtail fiber of claim 1, wherein: The fixing head (5) and the sheath (4) are both provided with mounting grooves (14), one end of the optical fiber (3) penetrates through the mounting grooves (14) and is connected with the connector (1).
5. The bend-insensitive reinforced pigtail fiber according to claim 1, wherein: The surface of the connector (1) is provided with a protective ridge (15).
6. The bend-insensitive reinforced pigtail fiber of claim 1, wherein: The sheath (4) and the protective sleeve (10) are both made of polyethylene material.