CN220254115U - Protective sleeve for cable branching - Google Patents

Abstract

The utility model relates to a cable forking protective sleeve, which comprises a cable body, and further comprises a thermoplastic pipe, wherein the thermoplastic pipe is heat-shrinkable sleeve arranged at the Y-shaped joint of the cable body, the inner liner is Y-shaped and is wrapped outside the thermoplastic pipe, three pipe ends of the inner liner are provided with annular rubber sleeves, the inner liner is arranged in the protective sleeve, the annular rubber sleeves are abutted against the inner wall of a pipe orifice of the protective sleeve, a gap exists between the inner wall of the protective sleeve and the outer wall of the inner liner body, the protective sleeve body is provided with glue injection holes, insulating waterproof materials are injected into the gap between the protective sleeve and the inner liner through the glue injection holes, the front end of the outer wall of the pipe orifice is provided with threads, and a sealing nut is detachably connected at the pipe orifice. The cable body joint is protected by the thermoplastic pipe, the inner lining is matched with the cable body joint to seal, and meanwhile, the inner lining and the injected insulating waterproof material can play a supporting role, so that the protective sleeve is prevented from being flattened and damaged under pressure, and the service life of the protective sleeve is prolonged.

Description

Protective sleeve for cable branching

Technical Field

The utility model relates to the technical field of wires and cables, in particular to a protective sleeve for cable bifurcation.

Background

At present, the field cable bundles in China mainly adopt fiber wires or adhesive tapes or binding tapes for bundling and fixing wires, and externally penetrate through a fiber sleeve or a thermoplastic pipe. However, at the position of the cable bifurcation joint, the shape is Y-shaped, and in particular, the sleeve cannot be directly sleeved, so that the sealing is difficult. At present, in order to match after-sales maintenance, a mode of matching a thermoplastic pipe with a sealing adhesive tape is adopted, and a cable joint is wrapped, so that the cable joint is exposed to the sun in the open air, is easy to age and enter water after long time, has poor compression resistance, is easy to deform after treading, and affects electrical performance, so that improvement is needed.

Disclosure of Invention

Accordingly, it is necessary to provide a protective sheath for cable branching against the above-mentioned problem.

The utility model provides a cable is protective sheath for bifurcation, includes the cable body, still including thermoplastic pipe, protective sheath and inside lining, thermoplastic pipe pyrocondensation cover is established the junction of cable body Y style of calligraphy, the inside lining is Y style of calligraphy, and the parcel is in thermoplastic pipe's outside, three pipe end of inside lining is provided with the ring gum cover, the lining dress is in the protective sheath, the ring gum cover with the mouth of pipe inner wall butt of protective sheath, and there is the clearance between protective sheath inner wall and the inside lining body outer wall, be provided with the injecting glue hole on the protective sheath body, through the gap injection insulating waterproof material between injecting glue hole to protective sheath and the inside lining, mouth of pipe outer wall front end is provided with the screw thread, and sealing nut can dismantle the connection in mouth of pipe department.

Preferably, the three nozzles of the protective sleeve are conical, and the threads of the nozzles are split along the axial direction of the nozzles.

Preferably, the glue injection holes are formed in the front surface and the back surface of the protective sleeve body, and the glue injection holes are plugged through glue nails.

Preferably, the insulating waterproof material is epoxy resin.

Preferably, the tube fork of the protective sleeve is provided with a reinforcing rib.

The utility model has the advantages that: utilize thermoplastic pipe protection cable body junction, cooperation inside lining is sealed, and inside lining and the insulating waterproof material that pours into simultaneously can play the supporting role, avoid the protective sheath to receive the pressure and flatten, damage, improve its life, the mouth of pipe threaded connection of protection tube has gland nut, can prevent that dust etc. from getting into from the clearance between cable body and the protective sheath.

Drawings

Fig. 1 is a schematic perspective view of a protective sleeve for cable branching according to an embodiment;

FIG. 2 is a schematic front view of a protective sleeve for cable furcation;

fig. 3 is an exploded view of a protective sheath for cable furcation.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-3, a cable branching protective sleeve comprises a cable body 100, and further comprises a thermoplastic pipe 1, a protective sleeve 2 and an inner liner 3, wherein the thermoplastic pipe 1 is heat-shrinkable sleeve arranged at the joint of the cable body 100 in a Y shape, the inner liner 3 is in a Y shape and wraps the outer part of the thermoplastic pipe 1, three pipe ends of the inner liner 3 are provided with a ring rubber sleeve 31, the inner liner 3 is sleeved in the protective sleeve 2, the ring rubber sleeve 31 is abutted against the inner wall of a pipe orifice 21 of the protective sleeve 2, a gap exists between the inner wall of the protective sleeve 2 and the outer wall of the inner liner 3, an insulating waterproof material is injected into the gap between the protective sleeve 2 and the inner liner 3 through the glue injection hole 22, the front end of the outer wall of the pipe orifice 21 is provided with threads, and a sealing nut 23 is detachably connected at the pipe orifice 21. Specifically, in this embodiment, after three cable bodies 100 are peeled, the metal cores are connected to form a Y-shaped bifurcation structure, in order to protect the exposed metal cores, a thermoplastic pipe 1 is used to cover the connection part of the cable bodies 100, after being subjected to thermoplastic, the thermoplastic pipe 1 is tightly wrapped on the cable bodies 100, further, a lining 3 is sleeved outside the thermoplastic pipe 1, the lining 3 is made of a plastic material with a certain elasticity, the thermoplastic pipe 1 is protected by the lining 3, the lining 3 plays a supporting role, the protection sleeve 2 is prevented from being crushed under stress, and is directly acted on the thermoplastic pipe 1, so that the thermoplastic pipe is damaged, and electrical faults are easy to occur. The mouth of pipe department of inside lining 3 is integrative to be moulded plastics has ring gum cover 31, utilize ring gum cover 31 shutoff protective sheath 2 and the space between the inside lining 3, make it airtight, when we use the packing element, when injecting insulating waterproof material to this space through injecting glue hole 22, can avoid insulating waterproof material to spill out from the clearance between inside lining 3 and the mouth of pipe of protective sheath 2, insulating waterproof material is epoxy in the embodiment, it has certain viscidity, the anticorrosive ability is strong, the heat resistance is good, as the filler between inside lining 3 and the protective sheath 2, can play the effect that the cooperation supported protective sheath 2, avoid protective sheath 2 because inside hollow clearance, after leading to it to trample, deformation, damage, reduction in service life. Meanwhile, in order to prevent dust and the like from entering the protective sleeve 2, a thread structure is arranged at three pipe orifices of the protective sleeve 2, and the sealing nut 23 is connected by the thread structure to block dust.

As shown in fig. 1 to 3, the three nozzles 21 of the protective sleeve 2 are tapered, the threads of the nozzles 21 are split along the axial direction of the nozzles, and when the sealing nut 23 is sleeved on the nozzles, the split nozzles 21 are tightened to tightly attach to the outer wall of the cable body 100, so that the tightness between the protective sleeve 2 and the cable body 100 is improved.

Specifically, the glue injection holes 22 are formed on the front and back sides of the body of the protective sleeve 2, and the glue injection holes 22 are plugged by glue nails, so that glue is injected from the front and back sides of the protective sleeve 2, and the gap between the protective sleeve 2 and the inner liner 3 can be guaranteed to be filled with the insulating waterproof material.

As shown in fig. 1-3, the tube fork of the protective sleeve 2 is provided with a reinforcing rib 24, so that the structural strength of the forked part of the protective sleeve 2 is ensured, the hot sunning and raining of the forked part are avoided, and the protective sleeve is easy to crack for a long time.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. The utility model provides a cable is protective sheath for bifurcation, includes cable body, its characterized in that: still including thermoplastic pipe, protective sheath and inside lining, thermoplastic pipe pyrocondensation cover establishes the junction of cable body Y style of calligraphy, the inside lining is Y style of calligraphy, and the parcel is in thermoplastic outside of pipe, three pipe end of inside lining is provided with the ring gum cover, the inside lining dress is in the protective sheath, the ring gum cover with the mouth of pipe inner wall butt of protective sheath, and there is the clearance between protective sheath inner wall and the inside lining body outer wall, be provided with the injecting glue hole on the protective sheath body, through the clearance injection insulating waterproof material between injecting glue hole to protective sheath and the inside lining, mouth of pipe outer wall front end is provided with the screw thread, and sealing nut can dismantle the connection in mouth of pipe department.

2. A protective sleeve for cable furcation as defined in claim 1, wherein: the three pipe orifices of the protective sleeve are conical, and threads of the pipe orifices are split along the axial direction of the pipe orifices.

3. A protective sleeve for cable furcation as defined in claim 1, wherein: the glue injection holes are formed in the front surface and the back surface of the protective sleeve body, and the glue injection holes are plugged through glue nails.

4. A protective sleeve for cable furcation as defined in claim 1, wherein: the insulating waterproof material is epoxy resin.

5. A protective sleeve for cable furcation as defined in claim 1, wherein: the tube fork of the protective sleeve is provided with a reinforcing rib.