CN216819290U - MPP power cable protection pipe that mouth of pipe leakproofness is good - Google Patents

Abstract

The utility model discloses an MPP power cable protection pipe with good pipe orifice sealing performance, belonging to the technical field of cable pipelines, and comprising a pair of pipelines and a connecting sleeve, wherein the pair of pipelines are connected through the connecting sleeve, the outer wall of the pipeline is provided with a reducing part, the connecting sleeve comprises an outer ring, a partition ring and an inner ring, the outer ring is connected with the inner ring through the partition ring, two sides of the partition ring are fixedly connected with rubber layers matched with the partition ring in shape, one end of the outer ring close to the inner ring is provided with a plurality of sliding grooves with equal intervals, and the plurality of sliding grooves are internally and slidably connected with limiting blocks, so that a user can more conveniently butt the MPP pipe by using the connecting structure, the sealing performance of the pipe orifice connecting part can be ensured, the operation can be realized without the help of external tools, the time and labor are saved, when the pipelines or the inner cables have problems, the disassembly is more convenient, the pipe does not need to be replaced, and the maintenance cost is greatly reduced.

Description

MPP power cable protection pipe that mouth of pipe leakproofness is good

Technical Field

The utility model relates to the technical field of cable ducts, in particular to an MPP power cable protection tube with good tube orifice sealing performance.

Background

The cable protection pipe is a protection pipe having a certain mechanical strength and disposed on an outer layer of the cable in order to prevent the cable from being damaged.

The cable protection pipe is mostly MPP pipe also known as MPP power cable protection pipe, divide into excavation type and non-excavation type, the MPP pipe adopts modified polypropylene to be main raw and other materials, have high temperature resistant, the characteristics of external pressure resistant, be applicable to the medium and low voltage transmission line cable calandria tubular product below 10KV, MPP adopts modified polypropylene to be main raw and other materials, need not in a large number to excavate mud, dig earth and destroy the road surface, lay the pipeline in special districts such as road, railway, building, riverbed lower grade, construction works such as cable, common MPP pipe on the market at present, mostly adopt the butt fusion when the pipeline docks, in case tubular product or inside cable go wrong, when overhauing, need to cut out the inspection inside with tubular product, tubular product replacement cost is high, do not have the sealing performance that can guarantee MMP union coupling department on the market, can make the convenient connected mode of overhauing of pipeline again.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the MPP power cable protection pipe with good pipe orifice sealing performance, which can realize more convenience when a user uses the connection structure to butt joint MPP pipes, can ensure the sealing performance of the pipe orifice joint, can be operated without an external tool, is time-saving and labor-saving, is more convenient to disassemble when a pipeline or an internal cable has a problem, does not need to replace a pipe, and greatly reduces the maintenance cost.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An MPP power cable protection tube with good tube orifice sealing performance comprises a pair of tubes and a connecting sleeve, wherein the tubes are connected through the connecting sleeve, the outer wall of the tube is provided with a reducing part, the connecting sleeve comprises an outer ring, a blocking ring and an inner ring, the outer ring is connected with the inner ring through the blocking ring, both sides of the blocking ring are fixedly connected with rubber layers matched with the blocking ring in shape, one end of the outer ring close to the inner ring is provided with a plurality of chutes with equal intervals, a plurality of limiting blocks are connected in the chutes in a sliding manner, and the limiting blocks and the inner bottom end of the chutes are connected with miniature compression springs, so that a user can more conveniently butt the MPP tube by using the connecting structure, the sealing performance of the tube orifice connecting part can be ensured, the operation can be realized without the help of external tools, time and labor are saved, and when the tubes or the inner cables have problems, the disassembly is also convenient, the pipe does not need to be replaced, and the maintenance cost is greatly reduced.

Furthermore, the inner diameter of the outer ring is matched with the outer diameter of the pipeline, and the outer diameter of the inner ring is matched with the inner diameter of the pipeline, so that the sealing performance of the pipeline after butt joint is greatly improved.

Further, the stopper is the hemisphere stopper, the undergauge portion sets up to the indent cambered surface with stopper shape assorted, when being connected pipeline and adapter sleeve, the stopper with the outer wall contact of pipeline in to the spout extrusion until submerging the spout completely in, with adapter sleeve continue to promote to one side of pipeline until the stopper slides to undergauge portion department, miniature compression spring makes its reseing in extruding the spout with the stopper through elasticity, the stopper is crowded to the undergauge portion in, the pipeline also with separate the lateral wall looks butt of disconnected ring, be connected this moment and target in place.

Furthermore, one end of the outer ring close to the pair of pipelines is provided with an inclined plane, so that water drainage is facilitated, water drops are prevented from entering the pipelines along the joint of the outer ring and the pipelines in rainy days, and the service life of the internal cable can be effectively prolonged.

Furthermore, the outer end of the outer ring is sleeved with a rubber layer, anti-slip lines are carved on the rubber layer, friction between a palm of a user and the connecting sleeve is increased, and force is conveniently applied when the pipeline is connected with the connecting sleeve.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme can realize that the user is more convenient when using this connection structure to the butt joint of MPP pipe, can guarantee the leakproofness of mouth of pipe junction simultaneously, and need not operate with the help of external instrument, labour saving and time saving, when pipeline or inside cable go wrong, it is also more convenient to dismantle, need not to change tubular product, greatly reduced maintenance cost.

(2) The inner diameter of the outer ring is matched with the outer diameter of the pipeline, the outer diameter of the inner ring is matched with the inner diameter of the pipeline, and the sealing performance of the pipeline after butt joint is greatly improved.

(3) The stopper is the hemisphere stopper, the undergauge portion set up to the indent cambered surface with stopper shape assorted, when being connected pipeline and adapter sleeve, the stopper with the outer wall contact of pipeline in to the spout extrusion until submerging the spout completely, continue to promote adapter sleeve to one side of pipeline until the stopper slides to undergauge portion department, miniature compression spring makes its reseing in extruding the spout with the stopper through elasticity, the stopper is crowded to the undergauge portion in, the pipeline also with separate the lateral wall looks butt of disconnected ring, be connected and target in place this moment.

(4) The one end that the outer loop is close to a pair of pipeline all sets up to the inclined plane, makes things convenient for the drainage, prevents in rainwater weather, in the junction entering pipeline of drop of water along outer loop and pipeline, can improve the life of inside cable effectively.

(5) The outer end cover of outer loop is equipped with the rubber layer, is carved with anti-skidding line on the rubber layer, increases the frictional force between user's palm and the adapter sleeve, conveniently makes power when being connected pipeline and adapter sleeve.

Drawings

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

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic structural view of the inside of the connection sleeve.

The reference numbers in the figures illustrate:

1 pipeline, 11 reducing parts, 2 connecting sleeves, 21 outer ring, 22 isolating ring, 23 inner ring, 24 sliding groove, 25 limiting block and 3 micro compression spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Example 1:

please refer to fig. 1-3, an MPP power cable protection tube with good tube orifice sealing performance includes a pair of tubes 1 and a connection sleeve 2, the pair of tubes 1 are connected through the connection sleeve 2, a reducing portion 11 is disposed on an outer wall of the tube 1, the connection sleeve 2 includes an outer ring 21, a partition ring 22 and an inner ring 23, the outer ring 21 and the inner ring 23 are connected through the partition ring 22, both sides of the partition ring 22 are fixedly connected with rubber layers with matched shapes, one end of the outer ring 21 close to the inner ring 23 is provided with a plurality of sliding grooves 24 with equal intervals, the plurality of sliding grooves 24 are internally and slidably connected with limiting blocks 25, and the inner bottom ends of the limiting blocks 25 and the sliding grooves 24 are connected with a micro compression spring 3.

Referring to fig. 1, the inner diameter of the outer ring 21 is matched with the outer diameter of the pipeline 1, and the outer diameter of the inner ring 23 is matched with the inner diameter of the pipeline 1, so that the sealing performance of the pipeline after butt joint is greatly improved.

Referring to fig. 1-3, the limiting block 25 is a hemispherical limiting block, the diameter-reducing portion 11 is an inward concave arc surface matched with the limiting block 25 in shape, when the pipeline 1 is connected with the connecting sleeve 2, the limiting block 25 contacts with the outer wall of the pipeline 1 and then extrudes the pipeline 1 into the sliding groove 24 until the pipeline is completely submerged into the sliding groove 24, the connecting sleeve 2 is continuously pushed towards one side of the pipeline 1 until the limiting block 25 slides to the diameter-reducing portion 11, the miniature compression spring 3 extrudes the limiting block 25 out of the sliding groove 24 through elasticity to reset the limiting block 25, the limiting block 25 is extruded into the diameter-reducing portion 11, and at this time, the pipeline 1 is also abutted against and connected to the side wall of the partition ring 22.

Referring to fig. 1 and 3, one end of the outer ring 21 close to the pair of pipes 1 is provided with an inclined surface, so that water drainage is facilitated, water drops are prevented from entering the pipes 1 along the joint of the outer ring 21 and the pipes 1 in rainy days, and the service life of the inner cable can be effectively prolonged.

Referring to fig. 1, a rubber layer is sleeved at the outer end of the outer ring 21, and anti-slip lines are carved on the rubber layer to increase the friction between the palm of the user and the connection sleeve 2, so that the force is conveniently applied when the pipeline 1 is connected with the connection sleeve 2.

When a user butt joints an MMP pipe, firstly, the connecting sleeve 2 is butt jointed with the installed pipeline 1 on one side, the limiting block 25 is in contact with the outer wall of the pipeline 1 and then is extruded into the sliding groove 24 until the limiting block is completely immersed into the sliding groove 24, the connecting sleeve 2 is continuously pushed towards one side of the pipeline 1 until the limiting block 25 slides to the reducing part 11, at the moment, the limiting block 25 is extruded out of the sliding groove 24 by the miniature compression spring 3 through elasticity to reset, the limiting block 25 is extruded into the reducing part 11, at the moment, the pipeline 1 is also butt jointed with the side wall of the partition ring 22, and the installation of the connecting sleeve 2 is completed; compared with the prior art, the method can realize that a user can more conveniently butt joint the MPP pipe by using the connecting structure, can ensure the sealing performance of the pipe orifice joint, can operate without an external tool, saves time and labor, is more convenient to disassemble when the pipeline or an internal cable has a problem, does not need to replace the pipe, and greatly reduces the maintenance cost.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a MPP power cable protection pipe that mouth of pipe leakproofness is good, includes a pair of pipeline (1) and adapter sleeve (2), and is a pair of pipeline (1) is connected its characterized in that through adapter sleeve (2): be equipped with undergauge portion (11) on the outer wall of pipeline (1), connecting sleeve (2) include outer loop (21), separate disconnected ring (22) and inner ring (23), be connected through separating disconnected ring (22) between outer loop (21) and inner ring (23), separate the equal fixedly connected with in both sides of disconnected ring (22) shape assorted rubber layer with it, spout (24) that a plurality of intervals equal are seted up to outer loop (21) one end that is close to inner ring (23), and are a plurality of equal sliding connection has stopper (25) in spout (24), and is a plurality of stopper (25) all are connected with miniature compression spring (3) with the inner bottom end of spout (24).

2. The MPP power cable protection tube with good tube orifice sealing performance as set forth in claim 1, wherein: the inner diameter of the outer ring (21) is matched with the outer diameter of the pipeline (1), and the outer diameter of the inner ring (23) is matched with the inner diameter of the pipeline (1).

3. The MPP power cable protection tube with good tube orifice sealing performance as set forth in claim 1, wherein: the limiting block (25) is a hemispherical limiting block, and the reducing part (11) is arranged to be an inwards concave arc surface matched with the limiting block (25) in shape.

4. The MPP power cable protection tube with good tube orifice sealing performance as set forth in claim 1, wherein: one end of the outer ring (21) close to the pair of pipelines (1) is provided with an inclined surface.

5. The MPP power cable protection tube with good tube orifice sealing performance as set forth in claim 1, wherein: the outer end of the outer ring (21) is sleeved with a rubber layer, and anti-skid grains are carved on the rubber layer.

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