Anti-falling connecting piece for cable protection pipe

Abstract

The utility model relates to the technical field of cable protection pipes, in particular to a cable protection pipe anti-falling connecting piece which comprises a first protection pipe, a second protection pipe and a fixing assembly arranged between the first protection pipe and the second protection pipe, and the fixing assembly comprises a first connecting piece, a second connecting piece and a connecting screw rod. The first connecting piece is arranged outside one end of the first protection pipe, the second connecting piece is fixedly arranged outside one end of the second protection pipe, and the anti-falling connecting piece for the cable protection pipe presses the surface of the plastic cable protection pipe through the extrusion claw arranged on the inner side of the connecting piece; the surface of the cable protection pipe is sunken due to extrusion of the hard extrusion claw, so that friction force is increased, and in the tightening process of the connecting piece, the wedge block in the connecting piece is ejected into the extrusion groove in one side of the connecting base, so that the bottom of the connecting base deforms and is clamped into a gap between the connecting piece and the pipeline to be further tensioned, and the anti-falling effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable protection pipe technical field especially relates to a cable protection pipe anti -drop connecting piece. BACKGROUND

[0002] Cable protection pipe refers to the metal protection pipe with certain mechanical strength laid in the outer layer of cable to prevent the damage of cable, cable protection pipe is mainly installed in the ground section where communication cable and power line cross to prevent the short circuit accident caused by power line breakage, causes the electrification of communication cable and steel wire rope, protects cable, switch, core board and even the whole machine from being burnt, and also plays a certain isolation role to power line magnetic field interference.

[0003] One end of the cable protection pipe is provided with a horn-shaped structure to facilitate the mutual connection of the protection pipes, under normal circumstances, the cable protection pipes are connected by mutual insertion without the assistance of connecting pieces, but under the conditions of loose soil or special installation, the soil structure is easy to change, which may cause the connection position to fall off, and the ordinary connecting device is easy to displace and slide on the surface of the pipe, the connecting effect is poor, and the pipe connection effect cannot be guaranteed. UTILITY MODEL CONTENTS

[0004] The utility model provides a cable protection pipe anti -drop connecting piece in view of the defects in the prior art.

[0005] The utility model is realized through the following technical schemes:

[0006] A cable protection pipe anti -drop connecting piece, including first protection pipe, second protection pipe and the fixed assembly that sets up between first protection pipe and second protection pipe, the fixed assembly includes first connecting piece, second connecting piece and connecting screw rod, first connecting piece sets up at one end outside first protection pipe, second connecting piece is fixedly set up at one end outside second protection pipe, second connecting piece includes two clamping rings, extrusion claw, wedge block, connecting seat and guide block, two clamping rings are installed through bolt outside second protection pipe, extrusion claw is fixedly set up inside clamping ring, and the mounting hole is set up on the surface of clamping ring, wedge block is fixedly set up inside the mounting hole on the surface of clamping ring, connecting seat is clamped in the mounting hole on the surface of clamping ring, and guide block is fixedly set up at the back of connecting seat.

[0007] In a preferred embodiment of the utility model, the first connecting piece includes a sleeve ring and a connecting ring, the connecting ring is fixedly set outside the sleeve ring.

[0008] The first connecting piece is mainly clamped outside the horn mouth of the end of the first protection pipe and has the effect of installation limiting.

[0009] In the preferable embodiment of the utility model, the first protection pipe end part is provided with a trumpet mouth, a sleeve ring one end inner side is provided with a slope matched with the trumpet mouth outer side of the first protection pipe end part, and the connecting screw rod is arranged between the connecting ring and the connecting seat.

[0010] The trumpet mouth of the first protection pipe end part is convenient for being connected with the second protection pipe end part, the slope provided in the inner side of the sleeve ring is matched with the outer side of the trumpet mouth, and the contact support effect is effectively ensured.

[0011] In the preferable embodiment of the utility model, the connecting seat one side is provided with an extrusion groove matched with the wedge-shaped block, and the connecting seat one end bottom is arranged in an inclined upward mode.

[0012] When the connecting screw rod is tightened, the wedge-shaped block is extruded into the extrusion groove on the one side of the connecting seat, so that the bottom thereof is deformed under pressure, thereby enabling the connecting seat bottom area to fill and extrude the gap between the second connecting piece and the second protection pipe, and enabling the connection of the second connecting piece to be more firm.

[0013] In the preferable embodiment of the utility model, the guide block one end penetrates and extends to the outside of one side of the clamping ring, and the clamping ring is internally provided with a guide hole matched with the guide block.

[0014] The guide block of the connecting seat tail part ensures that the connecting seat moves horizontally forward during the tightening process of the connecting seat,

[0015] In the preferable embodiment of the utility model, the extrusion claw is in close contact with the surface of the second protection pipe.

[0016] The utility model discloses the beneficial effect is:

[0017] The cable protection pipe anti-falling connecting piece extrudes the surface of the cable protection pipe of plastic material through the extrusion claw arranged on the inner side of the connecting piece, so that the surface of the cable protection pipe is recessed due to the hard extrusion claw, thereby increasing the friction, and during the tightening process of the connecting piece, the wedge-shaped block in the connecting piece is inserted into the extrusion groove on the one side of the connecting seat, so that the bottom of the connecting seat is deformed and clamped into the gap between the connecting piece and the pipe, and is further tensioned, thereby realizing the effect of anti-falling. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the cable protection pipe anti-falling connecting piece surface mounting structure schematic view of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic view of the cable protection pipe anti-falling connecting piece of the utility model;

[0020] Figure 3 It is the vertical section structure schematic view of the cable protection pipe anti-falling connecting piece of the utility model;

[0021] Figure 4 For Figure 3 Local enlarged structural diagram at A in the figure.

[0022] In the figure: 1, the first protection pipe; 2, the second protection pipe; 3, the fixed assembly; 31, the first connecting piece; 311, the collar; 312, the connecting ring; 32, the second connecting piece; 321, the clamping ring; 322, the extrusion claw; 323, the wedge block; 324, the connecting seat; 325, the guide block; 33, the connecting screw. DETAILED DESCRIPTION

[0023] The advantages and features of the present application will be more readily understood in view of the preferred embodiments described below with reference to the drawings. The terms of direction, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. are only used in reference to the drawings. Therefore, the terms of direction are used to explain and understand the present application, not to limit the present application.

[0024] As Figures 1-4 shown in a cable protection pipe anti-falling connecting piece, including first protection pipe 1, second protection pipe 2 and the fixed assembly 3 between first protection pipe 1 and second protection pipe 2, fixed assembly 3 includes first connecting piece 31, second connecting piece 32 and connecting screw 33, first connecting piece 31 is arranged in the first protection pipe 1 one end outside, second connecting piece 32 is fixedly arranged in the second protection pipe 2 one end outside, second connecting piece 32 includes two clamping rings 321, extrusion claw 322, wedge block 323, connecting seat 324 and guide block 325, two clamping rings 321 are installed on the outside of the second protection pipe 2 by bolts, extrusion claw 322 is fixedly arranged in the inside of clamping ring 321, the surface of clamping ring 321 is provided with mounting hole, wedge block 323 is fixedly arranged in the inside of the surface mounting hole of clamping ring 321, connecting seat 324 is clamped in the surface mounting hole of clamping ring 321, guide block 325 is fixedly arranged in the back of connecting seat 324.

[0025] Specifically, the first connecting piece 31 comprises a sleeve ring 311 and a connecting ring 312, the connecting ring 312 is fixedly arranged outside the sleeve ring 311, the first protection pipe 1 is provided with a trumpet mouth at one end, the inside of one end of the sleeve ring 311 is provided with an inclined surface matched with the outside of the trumpet mouth of the first protection pipe 1, the connecting screw 33 is arranged between the connecting ring 312 and the connecting seat 324, the connecting seat 324 is provided with an extrusion slot matched with the wedge block 323 on one side, the bottom of one end of the connecting seat 324 is arranged in an inclined upward manner, the guide block 325 extends to the outside of one side of the clamping ring 321, the clamping ring 321 is provided with a guide hole matched with the guide block 325, and the extrusion claw 322 is in close contact with the surface of the second protection pipe 2.

[0026] In the embodiment, during the laying of the cable protection pipe, first, the first connecting piece 31 is sleeved outside the first protection pipe 1 in the fixed assembly 3, the sleeve ring 311 is moved to the outside of the trumpet mouth at one end of the first protection pipe 1, at this time, the inclined surface at the inside of one end of the sleeve ring 311 is matched with the inclined surface at the outside of the trumpet mouth, then two pieces of the second connecting piece 32 are installed outside the second protection pipe 2 through bolts, the bolts are clamped in the mounting holes at the end of the clamping ring 321 and are rotated and tightened, during the process, the hard extrusion claw 322 at the inside of the clamping ring 321 extrudes the surface of the second protection pipe 2 and causes a certain concave on the surface of the second protection pipe 2 made of plastic material due to extrusion, thereby greatly increasing the friction and improving the connecting effect of the second connecting piece 32.

[0027] Further, after the mounting holes on the surface of the connecting seat 324 are aligned with the connecting holes on the surface of the connecting ring 312, the connecting screw 33 is inserted into the mounting holes on the surface of the connecting seat 324 and the connecting ring 312, then the tightening nut on the surface of the connecting screw 33 is tightened, under the action of the nut, the end of the second protection pipe 2 is extruded and inserted into the trumpet mouth at the end of the first protection pipe 1, during the continuous tightening process, the connecting seat 324 slides to the connecting side of the wedge block 323, the connecting seat 324 moves horizontally under the guidance of the guide block 325 at the back of the connecting seat 324, the wedge block 323 is inserted into the extrusion slot at one side of the connecting seat 324, the bottom of the connecting seat 324 is deformed under pressure, and the bottom of the connecting seat 324 is inserted into the gap between the clamping ring 321 and the second protection pipe 2, so as to achieve the effect of further tensioning and fixing, thereby ensuring that the second connecting piece 32 will not be loosened and displaced on the surface of the second protection pipe 2, and achieving the ideal anti-falling effect.

[0028] It should be noted that the parts not involved in the utility model are the same as or can be realized by the prior art; various drives in the utility model can be realized by corresponding power structures such as air cylinders, oil cylinders, electric cylinders and motors cooperating with connecting rods and guide rods, and are not limited to the description in the specification and the structure in the drawings.

[0029] In the description of the embodiments of the present application, unless otherwise expressly specified and limited, the terms "mounting", "connecting", "connecting", "setting", "provided with" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] The above-described embodiments only express several embodiments of the present application, which are described in detail and in detail, but should not be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application.

Claims

1. A cable protection pipe anti-drop connecting piece, a first protection pipe (1), a second protection pipe (2) and a fixing assembly (3) arranged between the first protection pipe (1) and the second protection pipe (2), characterized in that: The fixed assembly (3) comprises a first connecting piece (31), a second connecting piece (32) and a connecting screw rod (33), the first connecting piece (31) is arranged outside one end of the first protection pipe (1), and the second connecting piece (32) is fixedly arranged outside one end of the second protection pipe (2); The second connecting piece (32) comprises two clamping rings (321), a pressing claw (322), a wedge block (323), a connecting seat (324) and a guide block (325), the two clamping rings (321) are mounted outside the second protection pipe (2) through bolts, the pressing claw (322) is fixedly arranged inside the clamping ring (321), mounting holes are formed in the surface of the clamping ring (321), the wedge block (323) is fixedly arranged inside the mounting hole in the surface of the clamping ring (321), the connecting seat (324) is clamped in the mounting hole in the surface of the clamping ring (321), and the guide block (325) is fixedly arranged at the back of the connecting seat (324).

2. A cable protection tube anti-drop connecting piece according to claim 1, characterized in that: The first connecting piece (31) comprises a sleeve ring (311) and a connecting ring (312), and the connecting ring (312) is fixedly arranged outside the sleeve ring (311).

3. A cable protection tube anti-drop connecting piece according to claim 2, characterized in that: The end of the first protection pipe (1) is provided with a trumpet mouth, one end of the sleeve ring (311) is provided with a slope matched with the outside of the trumpet mouth at the end of the first protection pipe (1), and the connecting screw rod (33) is arranged between the connecting ring (312) and the connecting seat (324).

4. The cable protection tube anti-drop connecting piece according to claim 1, characterized in that: One side of the connecting seat (324) is provided with a pressing groove matched with the wedge block (323), and the bottom of one end of the connecting seat (324) is arranged in an inclined upward manner.

5. The cable protection tube anti-drop connecting piece according to claim 1, characterized in that: One end of the guide block (325) penetrates and extends to one side outside the clamping ring (321), and a guide hole matched with the guide block (325) is formed in the clamping ring (321).

6. The cable protection tube anti-drop connecting piece according to claim 1, characterized in that: The pressing claw (322) is in close contact with the surface of the second protection pipe (2).

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