CN216846819U

CN216846819U - 12 core optical cable testing arrangement

Info

Publication number: CN216846819U
Application number: CN202220310239.9U
Authority: CN
Inventors: 娄鹏珂; 张智勇; 马红; 刘凯龙
Original assignee: State Grid Henan Electric Power Co Luanchuan County Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Henan Electric Power Co Luanchuan County Power Supply Co; State Grid Corp of China SGCC
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-28
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a 12-core optical cable testing device, wherein one side of an optical fiber coupling piece is provided with a cable channel which runs through the optical fiber coupling piece, both ends of the cable channel are provided with detachable annular sealing pieces, the middle section of the cable channel is provided with a coupling groove which is used for respectively bearing and placing an optical fiber and a tail fiber connecting end, the upper part of the optical fiber coupling piece is provided with an opening corresponding to the coupling groove, an openable upper cover is arranged in the opening, and the lower surface of the upper cover is provided with a lower pressing plate which is used for compressing and limiting the connecting part of the optical fiber and the tail fiber in the coupling groove; through the utility model discloses need be with optic fibre and the butt fusion's of tail optical fiber mode when having avoidd traditional cable test, can realize the interim coupling connection of optic fibre and tail optical fiber in the optical cable test procedure, not only greatly reduced staff's the test cost and the operation degree of difficulty, effectively saved the time of fiber connection moreover, improved the efficiency of optical fiber test.

Description

12 core optical cable testing arrangement

Technical Field

The utility model relates to an optical fiber test technical field especially relates to a 12 core optical cable testing arrangement.

Background

As is known, when an optical cable is checked and accepted or temporarily overhauled, a common testing instrument is an Optical Time Domain Reflectometer (OTDR), and the OTDR can test parameters such as the length of an optical fiber, a fault point, transmission attenuation, and joint attenuation. During testing, a tail fiber is connected to the OTDR, and the tail fiber is connected to the optical cable to be tested, however, when the optical cable is connected to the tail fiber, in order to ensure the effectiveness of the connection between the optical cable and the tail fiber and ensure the accuracy and high efficiency of the test result, a fusion splicer is often used to fuse the optical fiber and the tail fiber connected to the OTDR, and after the test is completed, the fused optical fiber and the tail fiber are also required to be split, which results in time consumption, power consumption and higher technical requirements on operators in the cable testing; in order to improve the testing efficiency of the cable, the testing can be performed in a mode of temporary coupling connection between the optical cable and the tail fiber, however, a temporary coupling mechanism between the optical cable and the tail fiber is absent at present, so that the temporary coupling connection effect between the optical cable and the tail fiber is not ideal, and the testing effect of the cable is affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the background art, the utility model discloses a 12 core optical cable testing arrangement, through the utility model discloses need be connected optic fibre and the butt fusion's of tail optical fiber mode when having avoidd traditional cable test, can realize the interim coupling of optic fibre and tail optical fiber in the optical cable testing process, not only greatly reduced staff's test cost and the operation degree of difficulty, effectively saved the time of fiber connection moreover, improved the efficiency of optical fiber test.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a core optical cable testing arrangement, including the optic fibre coupling piece, optic fibre coupling piece one side is equipped with the cable passageway that runs through the optic fibre coupling piece, cable passageway both ends all are equipped with detachable annular sealing member, cable passageway middle section is equipped with the coupling groove that is used for holding respectively optic fibre and tail optical fiber link, optic fibre coupling piece upper portion is equipped with the opening corresponding with the coupling groove, be equipped with the upper cover that can open and shut in the opening, the upper cover lower surface is equipped with and is used for compressing tightly spacing lower clamp plate to coupling inslot optic fibre and tail optical fiber junction, the opening both sides on optic fibre coupling piece upper portion all are equipped with the corresponding and fastening screw that link up mutually with the cable passageway, be equipped with the fastening lead screw in the fastening screw, and the fastening lead screw inner is equipped with and is used for compressing tightly spacing stopper to the cable.

Further, the inner diameter of the outer end of the annular sealing element is larger than the inner diameter of the inner end of the annular sealing element.

Furthermore, the inner walls of the two ends of the cable channel are provided with internal threads, and the annular sealing element is in threaded connection with the two ends of the cable channel.

Furthermore, the upper surface of the upper cover is provided with at least two parallel adjusting screw holes corresponding to the coupling grooves, adjusting screw rods are arranged in the adjusting screw holes, and the lower ends of the adjusting screw rods are rotatably connected with the lower pressing plate.

Furthermore, the rear side of the upper cover is hinged with the opening, the front part of the optical fiber coupling piece is provided with a positioning screw hole corresponding to the opening, a positioning screw rod is arranged in the positioning screw hole, and the front surface of the upper cover is provided with a positioning hole corresponding to the positioning screw hole and matched with the positioning screw rod.

Furthermore, the cross section of the coupling groove is of an inverted isosceles trapezoid structure.

Compared with the prior art, the beneficial effects of the utility model are that:

through the detachable annular sealing element, the limiting protection on the cable to be detected and the tail fiber circuit can be realized, the sealing performance when the cable is coupled and connected with the tail fiber is guaranteed, the detachable annular sealing element can be detached and replaced according to the sizes of different cables, and the application range of the optical fiber coupling element is greatly improved;

the cable channel is provided with two limit blocks which can be adjusted in a lifting mode, the two limit blocks can be respectively pressed and limited with a cable to be tested and a tail fiber circuit, and the situation that the cable to be tested or the tail fiber circuit accidentally slides in the test process to influence the connection of an optical fiber and the tail fiber is avoided;

the connecting part of the optical fiber and the tail fiber can be compressed and limited by utilizing the adjusting screw rod and the lower pressing plate, so that the connecting stability of the optical fiber and the tail fiber is greatly improved, and powerful support is provided for efficient testing of the optical cable;

firstly, respectively inserting the cable to be tested and the tail fiber into the optical fiber coupling part through the cable channel, and inserting the tail fiber into the cable

The utility model discloses realize the interim coupling butt joint of optic fibre and tail-fiber, avoided the mode that needs to fuse optic fibre and tail-fiber when traditional cable test, not only greatly reduced staff's test cost and operation degree of difficulty, effectively saved the time of optic fibre connection moreover, improved the efficiency of optic fibre test; the utility model discloses simple structure, convenient to carry for the outdoor optical cable test of staff, salvage and provide very big help.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of the connecting groove structure of the present invention.

In the figure: 1. adjusting the screw rod; 2. an upper cover; 3. adjusting the screw hole; 4. fastening a screw rod; 5. ring, seal ring; 6. a cable channel; 7. a limiting block; 8. a lower pressing plate; 9. a coupling groove; 10. a fiber optic coupling; 11. positioning holes; 12. fastening screw holes; 13. an opening; 14. positioning the screw hole; 15. and (5) positioning the screw rod.

Detailed Description

In the following description, the technical solutions of the present invention will be described with reference to the drawings in the embodiments of the present invention, it should be understood that, if there are the orientations or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific orientation.

Referring to the attached drawings 1-3 of the specification, the utility model provides a technical scheme:

in the first embodiment, a 12-core optical cable testing device includes an optical fiber coupling element 10, a cable channel 6 penetrating through the optical fiber coupling element 10 is disposed on one side of the optical fiber coupling element 10, detachable annular sealing elements 5 are disposed on both ends of the cable channel 6, an outer end inner diameter of the annular sealing element 5 is larger than an inner end inner diameter, so that when a cable to be tested and a pigtail circuit are inserted into the cable channel 6, the annular sealing element 5 can effectively seal and limit the cable to be tested and the pigtail circuit, and prevent the cable to be tested and the pigtail circuit from slipping backwards in the cable channel 6, a coupling groove 9 for respectively holding connection ends of the optical fiber and the pigtail is disposed in a middle section of the cable channel 6, an opening 13 corresponding to the coupling groove 9 is disposed on an upper portion of the optical fiber coupling element 10, the opening 13 penetrating through the cable channel 6 is disposed in the opening 13, an openable upper cover 2 is disposed in the lower surface of the upper cover 2, and a lower pressing plate 8 for pressing and limiting a connection position of the optical fiber and the pigtail in the coupling groove 9 is disposed on the lower surface, in order to enable the lower pressing plate 8 to effectively press down and limit the connection part of the optical fiber and the tail optical fiber, the cross section of the coupling groove 9 is of an inverted isosceles trapezoid structure, the upper surface of the upper cover 2 is provided with at least two adjusting screw holes 3 which are parallel and correspond to the coupling groove 9, adjusting screw rods 1 are arranged in the adjusting screw holes 3, and the lower ends of the adjusting screw rods 1 are rotatably connected with the lower pressing plate 8; the two sides of the opening at the upper part of the optical fiber coupling piece 10 are both provided with fastening screw holes 12 which correspond to and are communicated with the cable channel 6, fastening screw rods 4 are arranged in the fastening screw holes 12, and the inner ends of the fastening screw rods 4 are provided with limiting blocks 7 for compressing and limiting the cables.

In the second embodiment, since the optical cables are more in size and model, in order to improve the application range of the optical fiber coupling element 10, the inner walls of the two ends of the cable channel 6 are provided with internal threads, and the annular sealing element 5 is in threaded connection with the two ends of the cable channel 6, so that when the optical cables with different sizes are tested, only the annular sealing element 5 matched with the optical cables needs to be replaced, or the annular sealing element 5 can be detached to perform temporary coupling connection between the optical fibers and the tail fibers.

In the third embodiment, in order to realize the opening and closing of the upper cover 2 and the opening 13, the rear side of the upper cover 2 is hinged to the opening 13, and in order to ensure that the upper cover 2 can be firmly and effectively fastened in the opening 13 in the coupling connection process of the optical fiber and the pigtail, the front part of the optical fiber coupling piece 10 is provided with a positioning screw hole 14 corresponding to the opening 13, a positioning screw rod 15 is arranged in the positioning screw hole 14, and the front surface of the upper cover 2 is provided with a positioning hole 11 corresponding to the positioning screw hole 14 and matched with the positioning screw rod 15.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims.

Claims

1. A12 core optical cable testing arrangement which characterized in that: comprises an optical fiber coupling piece (10), a cable channel (6) penetrating through the optical fiber coupling piece (10) is arranged on one side of the optical fiber coupling piece (10), detachable annular sealing pieces (5) are arranged at two ends of the cable channel (6), a coupling groove (9) used for respectively bearing and placing connecting ends of an optical fiber and a tail fiber is arranged in the middle section of the cable channel (6), an opening (13) corresponding to the coupling groove (9) is arranged at the upper part of the optical fiber coupling piece (10), an upper cover (2) capable of opening and closing is arranged in the opening (13), a lower pressing plate (8) used for pressing and limiting the connecting part of the optical fiber and the tail fiber in the coupling groove (9) is arranged on the lower surface of the upper cover (2), fastening screw holes (12) corresponding to and communicated with the cable channel (6) are arranged on two sides of the opening at the upper part of the optical fiber coupling piece (10), and fastening screw rods (4) are arranged in the fastening screw holes (12), and the inner end of the fastening screw rod (4) is provided with a limiting block (7) for compressing and limiting the cable.

2. A 12-core optical cable testing device according to claim 1, wherein: the inner diameter of the outer end of the annular sealing element (5) is larger than that of the inner end.

3. A 12-core optical cable testing device according to claim 1, wherein: inner walls at two ends of the cable channel (6) are provided with inner threads, and the annular sealing element (5) is in threaded connection with two ends of the cable channel (6).

4. A 12-core optical cable testing device according to claim 1, wherein: the upper part surface of the upper cover (2) is provided with at least two parallel adjusting screw holes (3) corresponding to the coupling grooves (9), adjusting screw rods (1) are arranged in the adjusting screw holes (3), and the lower ends of the adjusting screw rods (1) are rotatably connected with the lower pressing plate (8).

5. The 12-core optical cable testing device according to claim 4, wherein: the rear side of the upper cover (2) is hinged with the opening (13), the front part of the optical fiber coupling piece (10) is provided with a positioning screw hole (14) corresponding to the opening (13), a positioning screw rod (15) is arranged in the positioning screw hole (14), and the front surface of the upper cover (2) is provided with a positioning hole (11) corresponding to the positioning screw hole (14) and matched with the positioning screw rod (15).

6. A 12-core optical cable testing device according to claim 1, wherein: the cross section of the coupling groove (9) is of an inverted isosceles trapezoid structure.