CN215681000U - Connecting piece for photoelectric composite cable connector - Google Patents

Abstract

The utility model provides a connecting piece for a photoelectric composite cable connector, which comprises: the pipe shell is provided with an accommodating cavity with an opening at the top end; the two crimping terminals are arranged coaxially and are respectively arranged at the two opposite ends of the tube shell; the crimp terminal has a first passage communicating with the accommodation cavity; the cover plate is detachably covered at the opening end of the accommodating cavity; the built-in optical fibers of the photoelectric composite cable extend into the accommodating cavity of the tube shell through the first channel, and the two sections of built-in optical fibers which are distributed oppositely are suitable for splicing in the accommodating cavity. The two crimping terminals are coaxially arranged, so that two sections of built-in optical fibers to be spliced are kept collinear, the bending butt joint phenomenon is avoided, an operator splices the two sections of optical fibers at the opening at the top end of the tube shell, and the optical fibers are spliced in the tube shell without being bent to extend out of the tube shell. The connecting piece ensures that the optical fiber is not easy to bend and break in the splicing process.

Description

Connecting piece for photoelectric composite cable connector

Technical Field

The utility model relates to the technical field of cable connection, in particular to a connecting piece for a photoelectric composite cable connector.

Background

The temperature of the cable during operation is very critical to the safety of the line, and the temperature of the conductor is estimated by the temperature of the outer sheath of the common cable, but cannot be accurately represented. In order to accurately master the temperature of the cable in operation, some photoelectric composite cables with optical fibers in conductors are emerging in recent years, and the temperature of the conductors is monitored in real time by using the optical fibers.

The photoelectric separation of the high-voltage conductor and the internal optical fiber is realized, the insulation treatment and the connection of the optical fiber are well done, the conductor is convenient to press and is difficult in technology; the optical fiber is a brittle material, the bending radius cannot be too small, and the optical fiber is easy to break due to bending in the installation process.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to overcome the defect that the optical fiber of the optical-electrical composite cable in the prior art is easy to break due to bending in the process of splicing, so as to provide a connector for an optical-electrical composite cable joint.

In order to solve the above technical problem, the present invention provides a connector for a photoelectric composite cable connector, comprising:

the pipe shell is provided with an accommodating cavity with an opening at the top end;

the two crimping terminals are arranged coaxially and are respectively arranged at the two opposite ends of the tube shell; the crimp terminal has a first passage communicating with the accommodation cavity;

the cover plate is detachably covered at the opening end of the accommodating cavity;

the built-in optical fibers of the photoelectric composite cable extend into the accommodating cavity of the tube shell through the first channel, and the two sections of built-in optical fibers which are distributed oppositely are suitable for splicing in the accommodating cavity.

Further, the crimp terminal has a second passage communicating with the first passage, the second passage being disposed coaxially with the first passage, the second passage being for accommodating a cable conductor.

Furthermore, the first channel is connected with the second channel through a third channel, and the third channel is in a conical structure.

Further, a chamfer is arranged at one end, far away from the first channel, of the second channel.

Furthermore, a support plate is arranged in the tube shell, the support plate is parallel to the top opening end of the tube shell, and the support plate is used for supporting the built-in optical fiber of the photoelectric composite cable.

Further, the top surface of the support plate is flush with the lowest point of the first channel.

Further, the case and the crimp terminal are welded to form an integral structure.

Further, the crimp terminal has a tapered section and a cylindrical section, the tapered section having a cross-sectional dimension larger than a cross-sectional dimension of the cylindrical section; the cone section is connected on the pipe shell, and the cover plate is detachably connected on the cone section.

The technical scheme of the utility model has the following advantages:

1. according to the connecting piece for the photoelectric composite cable connector, the two sections of built-in optical fibers respectively extend into the accommodating cavity of the tube shell through the first channel and are connected in the tube shell; the two crimping terminals are coaxially arranged, so that the two sections of the built-in optical fibers to be spliced are kept collinear without generating a bending butt joint phenomenon, an operator splices the two sections of the optical fibers at the opening at the top end of the tube shell, and the optical fibers are spliced in the tube shell without extending out of the tube shell in a bending mode. The connecting piece ensures that the optical fiber is not easy to bend and break in the splicing process.

2. According to the connecting piece for the photoelectric composite cable connector, the second channel on the crimping terminal realizes crimping of the cable conductor, the built-in optical fiber extending out of the cable conductor is supported, and bending and breaking of the built-in optical fiber are avoided.

3. According to the connecting piece for the photoelectric composite cable connector, the supporting plate in the tube shell is used for supporting the built-in optical fiber, and the built-in optical fiber is prevented from being bent downwards due to self gravity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a connector for an optical-electrical composite cable joint provided in the present invention.

Fig. 2 is a front sectional view of the connector.

Fig. 3 is a schematic diagram of the positional relationship between the embedded optical fiber and the connector.

Description of reference numerals:

1. a pipe shell; 2. a crimp terminal; 3. a cover plate; 4. a first channel; 5. a second channel; 6. a third channel; 7. a support plate; 8. a cable conductor; 9. an optical fiber is built in.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The connecting piece for the photoelectric composite cable joint provided by the embodiment comprises: a case 1, a crimp terminal 2, and a cover plate 3.

As shown in fig. 1 and 2, the case 1 has a cylindrical structure with left and right ends and an open top end, crimp terminals 2 are welded to the openings at the left and right ends of the case 1, respectively, and the two crimp terminals 2 are coaxially disposed. The crimping terminal 2 is provided with a conical section and a cylindrical section, the cross section size of the conical section is larger than that of the cylindrical section, and the end face of the conical section is welded with the left and right opening ends of the tube shell 1; a first channel 4 is formed in the conical section, a second channel 5 is formed in the cylindrical section, and the first channel 4 and the second channel 5 are coaxially arranged and are communicated with an inner accommodating cavity of the tube shell 1; the first channel 4 has an inner diameter smaller than the inner diameter of the second channel 5, the first channel 4 is used for crimping an embedded optical fiber 9, and the second channel 5 is used for crimping a cable conductor 8. The top end of the conical section is provided with a horizontal section, and a first mounting hole is formed in the horizontal section; the cover plate 3 is buckled at an opening at the top end of the pipe shell 1 and is attached to the horizontal section of the conical section; the second mounting plate has been seted up on apron 3, the second mounting hole can with first mounting hole is concentric relative, realizes apron 3 and crimping terminal 2's the dismantlement through the screw and is connected.

As shown in fig. 2, the first channel 4 and the second channel 5 on the crimp terminal 2 are connected through a third channel 6, and the third channel 6 is a tapered structure; the optical fiber sequentially passes through the second channel 5 and the third channel 6 and then extends into the first channel 4, and the third channel 6 plays a role in guiding, so that the optical fiber can smoothly extend into the first channel 4. And a chamfer is arranged at one end of the second channel 5, which is far away from the first channel 4, and can guide the cable conductor 8 to stretch into the second channel 5.

As shown in fig. 2 and 3, a supporting plate 7 is connected inside the tube shell 1, the supporting plate 7 is parallel to the top opening end of the tube shell 1, and the supporting plate 7 is used for supporting the optical fiber to prevent the optical fiber from bending downwards due to self gravity; the top surface of the support plate 7 is flush with the lowest point of the first channel 4 so that there is a small vertical separation between the support plate 7 and the optical fibers; this vertical spacing avoids rubbing of the optical fibres against the support plate 7 and ensures that the downward bending margin of the optical fibres is small.

As shown in fig. 3, the cover plate 3 on the top end of the tube shell 1 is removed, and the cable is processed according to the installation process size, so that the cable conductor 8 and the built-in optical fiber 9 are exposed; the left and right opposite two sections of built-in optical fibers 9 are respectively inserted from the second channel 5 of the crimping terminal 2, penetrate out of the first channel 4 and then extend into the accommodating cavity of the tube shell 1, so that the two sections of built-in optical fibers 9 are intersected in the tube shell 1; crimping the cable conductor 8 according to the process requirements, trimming the length of the built-in optical fiber 9 according to the actual situation after crimping is finished, and then continuing the built-in optical fiber; finally, the cover plate 3 is installed, and the built-in optical fiber 9 and the cable conductor 8 are connected.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (8)

1. A connecting member for a photoelectric composite cable joint, comprising:

the pipe shell (1) is provided with an accommodating cavity with an opening at the top end;

the crimping terminals (2) are coaxially arranged, and the two crimping terminals (2) are respectively arranged at two opposite ends of the tube shell (1); the crimp terminal (2) has a first passage (4) communicating with the accommodation cavity;

the cover plate (3) is detachably covered at the opening end of the accommodating cavity;

the built-in optical fibers (9) of the photoelectric composite cable extend into the containing cavity of the tube shell (1) through the first channel (4), and the two sections of built-in optical fibers (9) which are distributed oppositely are suitable for being connected in the containing cavity.

2. The connector for an optoelectric composite cable joint according to claim 1, wherein the crimp terminal (2) has a second channel (5) communicating with the first channel (4), the second channel (5) being coaxially arranged with the first channel (4), the second channel (5) being adapted to receive a cable conductor (8).

3. The connector for the optical-electrical composite cable joint according to claim 2, wherein the first channel (4) and the second channel (5) are connected through a third channel (6), and the third channel (6) is a tapered structure.

4. The connector for an optical-electrical composite cable joint according to claim 2, wherein the second channel (5) is provided with a chamfer at an end thereof remote from the first channel (4).

5. The connector for the optical-electrical composite cable joint according to claim 1, wherein a support plate (7) is arranged in the tube shell (1), the support plate (7) is parallel to the top opening end of the tube shell (1), and the support plate (7) is used for supporting the built-in optical fiber (9) of the optical-electrical composite cable.

6. The connector for an optoelectric composite cable joint according to claim 5, wherein a top surface of the support plate (7) is flush with a lowest point of the first channel (4).

7. The connecting member for an optoelectric composite cable connector according to claim 1, wherein the package (1) and the crimp terminal (2) are welded to form an integral structure.

8. The connector for an optoelectric composite cable joint according to claim 1, wherein the crimp terminal (2) has a tapered section and a cylindrical section, the tapered section having a cross-sectional dimension larger than that of the cylindrical section; the cone-shaped section is connected to the pipe shell (1), and the cover plate (3) is detachably connected to the cone-shaped section.

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