Tensile and anti-fracture optical fiber patch cord

Abstract

The utility model belongs to the technical field of optical fiber patch cords, and particularly discloses a tensile and anti-fracture optical fiber patch cord, which comprises a joint and an optical fiber cord, the joint is connected to the end part of the optical fiber cord, the joint is connected with an elastic metal strip, one side of the elastic metal strip is provided with a clamping frame and a cord fixing assembly, and the cord fixing assembly is connected with the clamping frame. The wire fixing assembly is arranged at one end, far away from the joint, of the elastic metal strip; and the clamping frame and the wire fixing assembly are clamped on the outer wall of the optical fiber wire. According to the scheme, through the arrangement of the elastic metal strip, the clamping frame and the wire fixing assembly, the optical fiber wire is supported, clamped and fixed, when a worker pulls the optical fiber wire to be bent, the elastic metal strip is pulled through the optical fiber wire, the elastic metal strip is bent and deformed, certain resistance is formed, and the situation that the bending angle of the optical fiber wire is too large is prevented. On the basis, the arc-shaped section is set, and the optical fiber cable is bent to the target bending degree in advance, so that a worker can reach the target bending degree without pulling the optical fiber cable, and the optical fiber cable can be prevented from being broken off.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical fiber patch cord, concretely to a kind of anti-pulling anti-breaking optical fiber patch cord. BACKGROUND

[0002] Optical fiber patch cord is a kind of passive optical device for connecting optical communication equipment, optical fiber device or optical fiber network, mainly by optical fiber core, protective layer and connector, its function is to realize the flexible connection between optical fiber and signal transmission.

[0003] In actual use, optical fiber patch cord and optical fiber access equipment are installed in the electric box, because the space in the electric box is small, the optical fiber patch cord is usually bent to facilitate storage and reduce space occupation, but the bending angle of the optical fiber patch cord is not easy to control manually, and the bending requirement of the optical fiber patch cord is usually that the radius of the bending curve should be not less than 10 times the outer diameter of the optical fiber patch cord, so the optical fiber patch cord may be broken by manual bending. SUMMARY

[0004] The utility model aims at providing a kind of anti-pulling anti-breaking optical fiber patch cord to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-pulling anti-breaking optical fiber patch cord, comprising:

[0006] Connector and optical fiber line;

[0007] Wherein, the connector is connected at the end of the optical fiber line, the elastic metal strip is connected on the connector, one side of the elastic metal strip is provided with a card frame and a wire fixing assembly, the wire fixing assembly is arranged at the end of the elastic metal strip away from the connector, and the card frame and the wire fixing assembly are clamped on the outer wall of the optical fiber line.

[0008] Preferably, a sleeve ring is fixedly sleeved on the outer wall of the connector, and one end of the elastic metal strip is fixedly welded with the outer wall of the sleeve ring.

[0009] Preferably, the card frame is a circular-arc-shaped opening clasp, the inner diameter of the card frame is the same as the outer wall diameter of the optical fiber line, and the opening width of the card frame is less than the outer wall diameter of the optical fiber line.

[0010] Preferably, the end of the elastic metal strip away from the connector is provided as an arc segment, and the wire fixing assembly is arranged at the end of the arc segment.

[0011] Preferably, the wire fixing assembly comprises a circular-arc-shaped ring fixedly connected to the elastic metal strip, a wire clamping opening is formed in the side edge of the circular-arc-shaped ring, a fastening frame is arranged on the outer wall of the circular-arc-shaped ring, a fastening screw is screwed on the fastening frame, and the end of the fastening screw is inserted into the circular-arc-shaped ring.

[0012] Preferably, the fastening screw is connected with a rubber pad at one end towards the inner side of the circular arc ring.

[0013] Preferably, the rubber pad is hollow, a top plate is arranged on the side of the rubber pad towards the fastening screw, a through groove is arranged in the middle of the top plate, the fastening screw passes through the through groove, and a anti-falling check ring is arranged on the outer wall of one end of the fastening screw in the rubber pad.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the scheme, the optical fiber line is supported and clamped and fixed through the arrangement of the elastic metal strip, the clamping frame and the wire fixing assembly, when the staff pulls the optical fiber line to bend, the elastic metal strip is pulled by the optical fiber line, the elastic metal strip is deformed to bend, a certain resistance is formed, and the optical fiber line is prevented from being bent too much.

[0016] On the basis, the arc-shaped section is arranged, the optical fiber line is pre-bent to a target bending degree, thus, the staff does not need to pull the optical fiber line to reach the target bending degree, and the optical fiber line is prevented from being broken.

[0017] Meanwhile, based on the arrangement of the wire fixing assembly, the optical fiber line can be kept connected between the joints, and the connection position is prevented from being pulled off. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the utility model arranged with the arc-shaped section;

[0020] Figure 3 It is a structural schematic view of the utility model arranged with the wire fixing assembly;

[0021] Figure 4 It is a structural schematic view of the utility model arranged with the fastening screw, the anti-falling check ring and the rubber pad;

[0022] Figure 5 It is a sectional view of the utility model arranged with the rubber pad.

[0023] In the drawing, 1 is a joint, 2 is a sleeve ring, 3 is an elastic metal strip, 4 is a clamping frame, 5 is a circular arc ring, 6 is a fastening frame, 7 is a wire clamping port, 8 is a fastening screw, 9 is an anti-falling check ring, 10 is a rubber pad, 11 is a top plate, 12 is a through groove, and 13 is an arc-shaped section. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 labor fall within the scope of the present application.

[0025] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0026] Embodiment one, please refer to Figures 1-5 The present application provides a technical solution: a tensile anti-breaking optical fiber patch cord, comprising: a connector 1 and an optical fiber line;

[0027] Among them, the connector 1 is connected at the end of the optical fiber line, the connector 1 is connected with the elastic metal strip 3, one side of the elastic metal strip 3 is provided with the clamping frame 4 and the wire fixing assembly, the wire fixing assembly is arranged at the end of the elastic metal strip 3 away from the connector 1, the clamping frame 4 and the wire fixing assembly are clamped on the outer wall of the optical fiber line. The end of the elastic metal strip 3 away from the connector 1 is set as an arc segment 13, and the wire fixing assembly is arranged at the end of the arc segment 13.

[0028] The above content is analyzed: under conventional conditions, the arc segment 13 is used more, when the internal size of the electric box is sufficient, the use of the arc segment 13 can be omitted, the connector 1 in the drawings is an FC connector, the present scheme can also be applied to other optical fiber patch cord connectors, provided that the installation of the elastic metal strip 3 and the sleeve ring 2 does not affect the normal connection of the connector. The elastic metal strip 3 is made of spring steel material and has good elasticity, which elastically supports the optical fiber line. When the staff pulls the optical fiber line, the elastic metal strip 3 supports the optical fiber line. Since the elastic metal strip 3 itself cannot be bent with too small a radius, the optical fiber line is also limited from being bent too much.

[0029] Embodiment two, please refer to Figures 1-5 The present application provides a technical solution based on embodiment one: a sleeve ring 2 is fixedly sleeved on the outer wall of the connector 1, and one end of the elastic metal strip 3 is fixedly welded with the outer wall of the sleeve ring 2.

[0030] According to the above analysis: the shape of the ferrule 2 is set according to the shape and size of the outer wall of the connector 1, the ferrule 2 is initially open, and the two ends of the ferrule 2 are close to and fixed after the ferrule 2 is sleeved on the outer wall of the connector 1, The fixed way of the two ends of the ferrule 2 is the existing conventional structure, such as welding, small screw connection and the like.

[0031] Example three, please refer to Figures 1-5 The utility model discloses based on example one provides a technical scheme: the card frame 4 is the circular arc open clasp, the inside diameter of card frame 4 is same with the outer wall diameter of fiber optic line, and the width of the opening of card frame 4 is less than the outer wall diameter of fiber optic line.

[0032] According to the above analysis: the outer surface protection layer of the fiber optic line can be shrunk to a certain extent, so it can be clamped into the card frame 4 from the opening, and after clamping, it is attached to the inner wall of the card frame 4, so that the fiber optic line is connected and fixed with the card frame 4.

[0033] Example four, please refer to Figures 1-5 The utility model discloses based on example one provides a technical scheme: the fixed line subassembly includes the circular arc ring 5 of fixed connection on the elastic metal strip 3, the side of circular arc ring 5 is provided with the card line mouth 7, be provided with the fastening frame 6 on the outer wall of circular arc ring 5, be screwed on the fastening screw 8 of fastening frame 6, the end of fastening screw 8 inserts circular arc ring 5. The end of fastening screw 8 towards circular arc ring 5 is connected with rubber pad 10. Rubber pad 10 is hollow, one side of rubber pad 10 towards fastening screw 8 is provided with top plate 11, the middle part of top plate 11 is provided with through slot 12, and fastening screw 8 passes through through slot 12, and the end of fastening screw 8 in rubber pad 10 is provided with anti-falling check ring 9 on the outer wall.

[0034] According to the above analysis: the fiber optic line is embedded in the circular arc ring 5 from the card line mouth 7 of the circular arc ring 5, and the fiber optic line can be pushed into the end of the connector 1, so that the end of the connector is relatively loose, so that the connector and the fiber optic line are not in a tight state.

[0035] Then, the fastening screw 8 is rotated, the fastening screw 8 drives the rubber pad 10 to approach and tightly adhere to the outer wall of the fiber optic line, the fastening screw 8 and the rubber pad 10 rotate relative to each other, and when the rubber pad 10 adheres to the fiber optic line, the rotation of the fastening screw 8 does not drive the rubber pad 10 to rotate, so the rubber pad 10 directly adheres to the fiber optic line and causes less wear on the outer wall of the fiber optic line.

[0036] The rubber pad 10 and the top plate 11 are made of rubber material and are integrally formed, and the anti-falling check ring 9 is arranged to prevent the rubber pad 10 from falling off the fastening screw 8.

[0037] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application, and any reference signs in the claims should not be considered as limiting the claims involved.

[0038] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations 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 tensile kink-resistant fiber optic jumper cable, characterized by, The utility model relates to a kind of optical fiber joint and optical fiber cable, including: Joint (1) and optical fiber cable; Wherein, the joint (1) is connected at the end of optical fiber cable, the elastic metal strip (3) is connected on the joint (1), the elastic metal strip (3) is provided with clamping frame (4) and wire fixing assembly on one side, the wire fixing assembly is arranged at the end of elastic metal strip (3) away from joint (1), the clamping frame (4) and wire fixing assembly are clamped on the outer wall of optical fiber cable.

2. The tensile kink-resistant fiber optic jumper of claim 1, wherein: The outer wall of the joint (1) is fixedly sleeved with ferrule (2), and one end of the elastic metal strip (3) is fixedly welded with the outer wall of the ferrule (2).

3. The tensile kink-resistant fiber optic jumper of claim 1, wherein: The clamping frame (4) is a circular-arc-shaped clamping ring, the inside diameter of the clamping frame (4) is the same as the outer wall diameter of the optical fiber cable, and the opening width of the clamping frame (4) is smaller than the outer wall diameter of the optical fiber cable.

4. The tensile kink-resistant fiber optic jumper of claim 1, wherein: The end of the elastic metal strip (3) away from the joint (1) is provided as an arc segment (13), and the wire fixing assembly is arranged at the end of the arc segment (13).

5. The tensile kink-resistant fiber optic jumper of claim 1, wherein: The wire fixing assembly includes a circular-arc-shaped ring (5) fixedly connected to the elastic metal strip (3), a wire clamping opening (7) is formed in the side edge of the circular-arc-shaped ring (5), a fastening frame (6) is arranged on the outer wall of the circular-arc-shaped ring (5), a fastening screw (8) is screwed onto the fastening frame (6), and the end of the fastening screw (8) is inserted into the circular-arc-shaped ring (5).

6. The tensile kink-resistant fiber optic jumper of claim 5, wherein: The end of the fastening screw (8) towards the circular-arc-shaped ring (5) is connected with a rubber pad (10).

7. The tensile kink-resistant fiber optic jumper of claim 6, wherein: The rubber pad (10) is hollow, the side of the rubber pad (10) towards the fastening screw (8) is provided with a top plate (11), a through slot (12) is formed in the middle of the top plate (11), the fastening screw (8) passes through the through slot (12), and the end of the fastening screw (8) located in the rubber pad (10) is provided with an anti-falling check ring (9) on the outer wall.

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