Cable intermediate joint

Abstract

The utility model discloses a cable intermediate joint which comprises a joint assembly. The connector assembly comprises a pipe body, a connecting pipe fixed on the inner wall of the pipe body, threaded sleeves symmetrically arranged on the two sides of the pipe body, insulating extrusion plates arranged on the inner sides of the threaded sleeves, and cable bodies with the two ends embedded in the two sides of the connecting pipe respectively, wherein the ends of the insulating extrusion plates are rotationally connected with the threaded sleeves. The two cable main bodies are respectively sleeved with the two protective shells, the end portions of the protective shells are connected through threads, the sealing rings are embedded in the end portions of the protective shells, the thermal shrinkable sleeves are fixed to the end portions of the protective shells, the pipe body is made of insulating materials and used for installing the connecting pipe, the stability of the connecting pipe is guaranteed, and the service life of the connecting pipe is prolonged. The connecting pipe is used for fixedly connecting the end parts of the two cable main bodies and facilitating current transmission, and the cable intermediate joint has the advantages of being simple in structure, convenient to mount and dismount and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable intermediate joint technical field, concretely is a cable intermediate joint. BACKGROUND

[0002] In the process of power cable line construction, the cable intermediate joint is mainly used for connecting two cables, playing a role of waterproof, dustproof and shockproof.

[0003] The existing cable intermediate joint mainly has the following disadvantages in the process of using: it is troublesome to install, mainly connected through the connecting pipe, the end of the cable on both sides is inserted into the connecting pipe, the connecting pipe is extruded through the compression pliers, the connecting pipe is deformed to fix the end of the cable, the connecting mode is time-consuming and laborious, the compression pliers need to be used, it is troublesome, and it is inconvenient to disassemble subsequently, therefore, the utility model provides a novel cable intermediate joint. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme: a cable intermediate joint, comprising: a joint assembly, the joint assembly comprises a pipe body, a connecting pipe fixed on the inner wall of the pipe body, a threaded sleeve symmetrically arranged on both sides of the pipe body, an insulating extrusion plate arranged on the inner side of the threaded sleeve and rotationally connected with the threaded sleeve at the end, two cable bodies respectively embedded on both sides of the connecting pipe, two protective shells respectively sleeved on both sides of the cable body and connected through threads at the end, a sealing ring embedded at the end of the protective shell, and a heat shrink sleeve fixed at the end of the protective shell.

[0006] The connecting pipe comprises a conductive seat fixed on the inner wall of the pipe body and a plurality of arc-shaped conductive plates fixed on both sides of the conductive seat in an annular array.

[0007] In a preferred example, the utility model can be further configured as: a first hexagonal sleeve is arranged on the outer side of the middle part of the pipe body, a second hexagonal sleeve is arranged on the end of the threaded sleeve, an external thread is arranged on the outer side of the pipe body on both sides of the first hexagonal sleeve, and an internal thread is arranged on the inner wall of the threaded sleeve, and the two are engaged with each other.

[0008] In a preferred example, the utility model can be further configured as: the end of the insulating extrusion plate is arranged in an inner inclined surface, and the end is embedded between the arc-shaped conductive plate and the inner wall of the pipe body.

[0009] In a preferred example, the utility model can be further configured as: an annular protrusion is arranged on the inner side of the end of the threaded sleeve, and an annular groove is arranged on the outer side of the end of the insulating extrusion plate, and the two are embedded with each other.

[0010] The utility model discloses in a preferable example can be further configured as: the pipe body adopts insulating material to make.

[0011] Through adopting above-mentioned technical scheme, the utility model has obtained the beneficial effect that:

[0012] 1. In the utility model, the pipe body is arranged, and the connecting pipe is fixed on the inner wall of the pipe body, the connecting pipe is composed of the conductive seat in the middle and the arc conductive plate arranged in the annular array on both sides of the conductive seat, threaded sleeves are arranged on both sides of the pipe body, the insulating extrusion plate is rotatably embedded in the inner side of the threaded sleeve, through the above-mentioned setting, when connecting the cable, only the end of the cable is inserted into the connecting pipe, then the threaded sleeve is screwed, the threaded sleeve is close to the middle of the pipe body, the insulating extrusion plate is driven into the arc conductive plate and the inner wall of the pipe body by the movement of the threaded sleeve, the arc conductive plate is tightly attached on the end of the cable by extrusion, the connection between the cables is completed, the whole structure is simple, convenient to use, the connection between the cables is completed only by spanner, and the utility performance is increased.

[0013] 2. In the utility model, the protective shell is arranged on both sides of the shell, and the protective shell is connected through the screw thread between the two sides, convenient to install and dismount, and the end of the protective shell is provided with the sealing ring, guaranteeing the sealing performance between the two, in addition, the end of the protective shell is provided with the heat shrink sleeve, which can guarantee the sealing performance between the protective shell and the surface of the cable, through the above-mentioned setting, the connecting part between the cables can be effectively provided with waterproof and dustproof protection, guaranteeing the stability of the connection between the cables. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the sectional view schematic diagram of the utility model;

[0016] Figure 3 It is the exploded structural schematic diagram of the utility model;

[0017] Figure 4 It is the sectional view schematic diagram of part structure of the utility model

[0018] Figure 5 It is the connecting pipe structural schematic diagram of the utility model

[0019] Figure 6 It is the exploded schematic diagram of part structure of the utility model.

[0020] Reference Signs:

[0021] 100, joint assembly; 110, pipe body; 111, first hexagonal sleeve; 120, connecting pipe; 121, conductive seat; 122, arc-shaped conductive plate; 130, threaded sleeve; 131, second hexagonal sleeve; 132, annular protrusion; 140, insulating extrusion plate; 141, annular groove; 150, cable body; 160, protective shell; 170, sealing ring; 180, heat shrink sleeve. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantages of the utility model more clear and apparent, the utility model is further described in detail below in combination with specific embodiments and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0023] Some embodiments of the utility model are described below in combination with the drawings, Embodiment one

[0024] In combination with Figures 1-6 As shown in the drawings, the embodiment provides a cable intermediate joint, which comprises a joint assembly 100.

[0025] The joint assembly 100 comprises a pipe body 110, a connecting pipe 120 fixed on the inner wall of the pipe body 110, threaded sleeves 130 symmetrically arranged on both sides of the pipe body 110, an insulating extrusion plate 140 arranged on the inner side of the threaded sleeve 130 and rotationally connected with the threaded sleeve 130 at the end, two cable bodies 150 respectively embedded on both sides of the connecting pipe 120, two protective shells 160 respectively sleeved on both sides of the cable bodies 150 and threadedly connected at the ends, a sealing ring 170 embedded at the end of the protective shell 160, and a heat shrink sleeve 180 fixed at the end of the protective shell 160.

[0026] The pipe body 110 is made of insulating material and is used for mounting the connecting pipe 120 to ensure the stability of the connecting pipe 120. The connecting pipe 120 is used for fixedly connecting the ends of the two cable bodies 150 and facilitates the transmission of current. The connecting pipe 120 comprises a conductive seat 121 fixed on the inner wall of the pipe body 110 and a plurality of arc-shaped conductive plates 122 fixed in an annular array on both sides of the conductive seat 121. The conductive seat 121 is used for fixing the arc-shaped conductive plates 122. The arc-shaped conductive plates 122 can be pressed on the ends of the cable bodies 150 under the action of the insulating extrusion plate 140 to fix the ends of the cable bodies 150.

[0027] The first hexagonal sleeve 111 is arranged on the middle outer side of the pipe body 110, and the second hexagonal sleeve 131 is arranged on the end of the threaded sleeve 130, so that workers can use one wrench to clamp the first hexagonal sleeve 111 and use another wrench to clamp the second hexagonal sleeve 131 and rotate, thereby driving the threaded sleeve 130 to rotate. The outer thread is arranged on the outer side of the pipe body 110 on both sides of the first hexagonal sleeve 111, and the inner thread is arranged on the inner wall of the threaded sleeve 130, which are engaged with each other, thereby facilitating the engagement of the threaded sleeve 130 on the pipe body 110.

[0028] The threaded sleeve 130 is used to install the insulation extrusion plate 140 and drive the insulation extrusion plate 140 to press into the arc-shaped conductive plate 122 and the inner wall of the pipe body 110, thereby extruding the arc-shaped conductive plate 122 and pressing it on the end of the cable body 150. The annular protrusion 132 is arranged on the end inner side of the threaded sleeve 130, and the annular groove 141 is arranged on the end outer side of the insulation extrusion plate 140, which are embedded with each other, so that the threaded sleeve 130 can rotate and drive the insulation extrusion plate 140 to move extrusion into the pipe body 110.

[0029] The ends of the two protective shells 160 are engaged with each other, which can seal the connection part between the two cable bodies 150 and achieve the effect of waterproof and dustproof. A plurality of annular reinforcing ribs are arranged on the inner wall of the protective shell 160, and the inner diameter of the reinforcing rib is equal to the outer diameter of the threaded sleeve 130, so that the reinforcing rib can be tightly attached to the outer side of the threaded sleeve 130, thereby effectively improving the structural strength of the protective shell 160.

[0030] The sealing ring 170 is arranged at the end of the protective shell 160 to ensure the sealing of the connection part of the two protective shells 160. The heat shrink sleeve 180 is arranged at the end of the protective shell 160 and is tightly attached to the end of the protective shell 160 and the surface of the cable body 150 by hot air, thereby ensuring the sealing between the protective shell 160 and the cable surface.

[0031] The working principle and use process of the utility model: when using, the protection shell 160 is respectively sleeved on the two side cable main bodies 150, the end of the two side cable main bodies 150 is inserted into the connecting place, the end of the cable main body 150 is tightly attached on the conductive seat 121, one wrench is clamped on the first hexagonal sleeve 111, another wrench is clamped on the second hexagonal sleeve 131 and rotates, drives the threaded sleeve 130 to rotate, the threaded sleeve 130 rotates to the middle of the pipe body 110 and approaches, drives the insulation extrusion plate 140 to be pressed into between the arc conductive plate 122 and the inner wall of the pipe body 110, exerts pressure on the arc conductive plate 122, makes the arc conductive plate 122 tightly press on the end of the cable main body 150, when the second hexagonal sleeve 131 and the first hexagonal sleeve 111 are attached, the installation can be completed, at this time, the end of the two side protection shells 160 approaches and is screwed together, at the same time, hot air is blown to the heat shrink sleeve 180, the end of the protection shell 160 and the surface of the cable main body 150 are sealed, the installation of the cable intermediate joint can be completed.

[0032] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A cable joint, comprising: The connector assembly (100) is characterized in that it includes a tube body (110), a connecting tube (120) fixed on the inner wall of the tube body (110), threaded sleeves (130) symmetrically arranged on both sides of the tube body (110), an insulating extrusion plate (140) arranged inside the threaded sleeve (130) and rotatably connected to the threaded sleeve (130) at its end, a cable body (150) with its two ends respectively fitted into both sides of the connecting tube (120), two protective shells (160) respectively fitted onto the two cable bodies (150) and connected to each other by threads at their ends, a sealing ring (170) fitted into the end of the protective shell (160), and a heat shrink sleeve (180) fixed to the end of the protective shell (160). The connecting pipe (120) includes a conductive seat (121) fixed on the inner wall of the pipe body (110) and a plurality of arc-shaped conductive plates (122) fixed in a ring array on both sides of the conductive seat (121).

2. A cable intermediate joint according to claim 1, characterized in that, A first hexagonal sleeve (111) is provided on the outer side of the middle part of the tube body (110), and a second hexagonal sleeve (131) is provided at the end of the threaded sleeve (130). External threads are provided on the outer side of the tube body (110) located on both sides of the first hexagonal sleeve (111), and internal threads are provided on the inner wall of the threaded sleeve (130). The two are meshed with each other.

3. A cable intermediate joint according to claim 1, characterized in that, The end of the insulating extrusion plate (140) is set with an inwardly inclined surface, and the end is fitted between the arc-shaped conductive plate (122) and the inner wall of the tube (110).

4. A cable intermediate joint according to claim 1, characterized in that, An annular protrusion (132) is provided on the inner side of the end of the threaded sleeve (130), and an annular groove (141) is provided on the outer side of the end of the insulating extrusion plate (140), and the two are interlocked.

5. A cable intermediate joint according to claim 1, characterized in that, The tube body (110) is made of insulating material.

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