Corrugated spiral joint cable protection pipe

Abstract

The utility model designs a corrugated spiral joint cable protection pipe, which adopts a structure that a corrugated pipe is connected with spiral joints at two ends, adopts a spiral joint pipe connection mode, and comprises a corrugated pipe body 1, spiral joints 2 and spiral joint pipes 3, the spiral joints 2 are arranged at the two ends of the corrugated pipe body 1, and the inner diameter of the spiral joints 2 is consistent with that of the corrugated pipe body 1; the two connected spiral joints 2 are connected through the spiral joint pipe 3; the pipeline construction operation is convenient, and the device is suitable for buried cable engineering.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable protection pipe, especially a corrugated spiral joint cable protection pipe. BACKGROUND

[0002] Single-wall corrugated cable protection pipe has the problem of difficult operation of the connecting joint, especially at the well mouth, the utility model discloses a spiral joint structure at the two ends of the single-wall corrugated cable protection pipe, when the well is encountered, the spiral joint of the single-wall corrugated cable protection pipe is exposed to the well wall, the spiral joint pipe 3 is sleeved, and the spiral joint of the next single-wall corrugated cable protection pipe can be connected, which is convenient to operate and fast. SUMMARY

[0003] The utility model discloses a corrugated spiral joint cable protection pipe, which adopts a corrugated pipe structure, a spiral joint structure at both ends, and a spiral joint pipe connection mode, is convenient to operate, and is suitable for buried cable engineering.

[0004] The utility model discloses a technical scheme that solves its technical problems is: including corrugated pipe body 1, spiral joint 2 and spiral joint pipe 3,

[0005] Said spiral joint 2 is respectively at two ends of the corrugated pipe body 1, and the inner diameter of the spiral joint 2 is consistent with the corrugated pipe body 1,

[0006] Two spiral joints 2 are connected through the spiral joint pipe 3,

[0007] Said corrugated pipe body 1 includes convex annular cylinder 11, concave annular cylinder 12, and the convex annular cylinder 11 and the concave annular cylinder 12 are alternately connected in cycles,

[0008] Said spiral joint 2 includes spiral pipe 21 and flat wall pipe 22, the outer wall of the spiral joint 2 is formed by the spiral pipe 21 with the outer diameter of the flat wall pipe 22 as the inner diameter, adjacent spiral pipes 21 are spaced apart by a certain distance, and the spiral joint 2 at both ends of the corrugated pipe body 1 is opposite in winding direction,

[0009] The spiral joint pipe 3 comprises a spiral joint pipe body 31, a connecting ring 32, the spiral joint pipe body 31 is on both sides of the connecting ring 32 and the rotating directions are opposite; the spiral joint pipe body 31 comprises a semicircle spiral winding pipe 311 and an outer shell pipe 312; the inner wall of the spiral joint pipe body 31 is wound by the semicircle spiral winding pipe 311 with the outer diameter of the spiral joint 2 as the inner diameter, the inner diameter of the semicircle spiral winding pipe 311 is consistent with the outer diameter of the spiral pipe 21; the outer shell pipe 312 is a flat wall pipe, the outer diameter of the semicircle spiral winding pipe 311 wound to form the inner wall of the spiral joint pipe is consistent with the inner diameter of the outer shell pipe 312, and the semicircle spiral winding pipe 311 is hot melt connected; the connecting ring 32 comprises an outer frame 321 and an inner embedded body 322, the inner embedded body 322 is clamped into the outer frame 321, and there are gaps between the inner embedded body 322 and the outer frame 321;

[0010] Two corrugated spiral joint cable protection pipes with the same inner diameter are connected through the spiral joint pipe 3, the inner wall of the semicircle spiral winding pipe 311 is close to the outer wall of the spiral pipe 21, and the semicircle spiral winding pipe 311 and the spiral pipe 21 are connected on the same side in the same rotating direction.

[0011] The utility model has the advantages that:

[0012] 1) a corrugated spiral joint cable protection pipe adopts a spiral joint pipe connection mode, and the construction operation is convenient;

[0013] 2) the spiral directions of the spiral joint pipes of the two ends of a corrugated spiral joint cable protection pipe are opposite, and the adjacent two spiral joints can be connected through the spiral joint pipe at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be described in detail in connection with the drawings:

[0015] Figure 1 It is the structure diagram of the corrugated spiral joint cable protection pipe before connection of the utility model;

[0016] Figure 2 It is the perspective view of the corrugated pipe body 1 of the corrugated spiral joint cable protection pipe of the utility model;

[0017] Figure 3 It is the perspective view of the spiral joint 2 of the corrugated spiral joint cable protection pipe of the utility model, wherein the enlarged part is the radial section view of the spiral pipe 21;

[0018] Figure 4 It is the axial section view of the spiral joint pipe 3 of the corrugated spiral joint cable protection pipe of the utility model;

[0019] Figure 5It is a kind of flat wall reinforced spiral corrugated cable protection pipe's connection's perspective view of the utility model. DETAILED DESCRIPTION

[0020] The utility model will be explained in detail below in combination with specific embodiments and drawings:

[0021] As Figure 1 Indicated, a kind of corrugated spiral joint cable protection pipe, it is characterized by including corrugated pipe body 1, spiral joint 2 and spiral joint pipe 3;

[0022] The spiral joint 2 at the both ends of the corrugated pipe body 1, the inner diameter of the spiral joint 2 is consistent with the corrugated pipe body 1;

[0023] As Figure 5 Indicated, the two spiral joints 2 of connection are connected by the spiral joint pipe 3;

[0024] As Figure 2 Indicated, the corrugated pipe body 1 includes convex annular cylinder 11, concave annular cylinder 12, the convex annular cylinder 11 is alternately connected with concave annular cylinder 12;

[0025] As Figure 1 And Figure 3 Indicated, the spiral joint 2 includes spiral pipe 21 and flat wall pipe 22;The outer wall of the spiral joint 2 is formed by the spiral pipe 21 with the outer diameter of the flat wall pipe 22 as inner diameter, adjacent the spiral pipe 21 is spaced a certain distance, the spiral joint 2 of the both ends of the corrugated pipe body 1 is opposite in winding direction;As Figure 4 Indicated, the spiral joint pipe 3 includes spiral joint pipe body 31, connecting ring 32, the spiral joint pipe body 31 is on the both sides of the connecting ring 32 and the rotating direction is opposite;The spiral joint pipe body 31 includes semicircular spiral winding pipe 311 and shell pipe 312;The inner wall of the spiral joint pipe body 31 is formed by the semicircular spiral winding pipe 311 with the outer diameter of the spiral joint 2 as inner diameter, the inner diameter of the semicircular spiral winding pipe 311 is consistent with the outer diameter of the spiral pipe 21;The shell pipe 312 is flat wall pipe, the outer diameter of the inner wall of the semicircular spiral winding pipe 311 formed by winding and the inner diameter of the shell pipe 312 are consistent, and hot melt connection;The connecting ring 32 includes outer frame 321 and inner embedded body 322, the inner embedded body 322 is clamped into the outer frame 321, and there is gap between the inner embedded body 322 and the outer frame 321;As Figure 5 Indicated, two corrugated spiral joint cable protection pipes of same inner diameter are connected by the spiral joint pipe 3, the inner wall of the semicircular spiral winding pipe 311 is tightly attached to the outer wall of the spiral pipe 21;And the semicircular spiral winding pipe 311 and the spiral pipe 21 are connected on the same side of rotating direction.

Claims

1. A corrugated spiral joint cable protection pipe characterised in that: The utility model relates to a corrugated pipe, which comprises a corrugated pipe body (1), a screw joint (2) and a screw joint pipe (3). The screw joint (2) is arranged at both ends of the corrugated pipe body (1), and the inner diameter of the screw joint (2) is consistent with that of the corrugated pipe body (1). The two screw joints (2) are connected by the screw joint pipe (3). The corrugated pipe body (1) comprises convex annular cylinders (11) and concave annular cylinders (12), and the convex annular cylinders (11) and the concave annular cylinders (12) are alternately connected. The screw joint (2) comprises spiral pipes (21) and flat wall pipes (22), the outer wall of the screw joint (2) is formed by winding the spiral pipes (21) with the outer diameter of the flat wall pipes (22) as the inner diameter, adjacent spiral pipes (21) are spaced apart at a certain distance, and the winding directions of the screw joints (2) at both ends of the corrugated pipe body (1) are opposite. The screw joint pipe (3) comprises a screw joint pipe body (31) and a connecting ring (32), the screw joint pipe body (31) is arranged on both sides of the connecting ring (32) and rotates in opposite directions, the screw joint pipe body (31) comprises half-circular spiral winding pipes (311) and shell pipes (312), the inner wall of the screw joint pipe body (31) is formed by winding the half-circular spiral winding pipes (311) with the outer diameter of the screw joint (2) as the inner diameter, the inner diameter of the half-circular spiral winding pipes (311) is consistent with the outer diameter of the spiral pipes (21), the shell pipes (312) are flat wall pipes, the outer diameter of the inner wall of the screw joint pipe formed by winding the half-circular spiral winding pipes (311) is consistent with the inner diameter of the shell pipes (312), and the half-circular spiral winding pipes (311) and the shell pipes (312) are connected by heat melting, and the connecting ring (32) comprises an outer frame (321) and an inlay body (322), the inlay body (322) is clamped into the outer frame (321), and gaps are formed between the inlay body (322) and the outer frame (321).

2. A corrugated spiral joint cable protection pipe according to claim 1, characterised in that: Two corrugated screw joint cable protection pipes with the same inner diameter are connected by the screw joint pipe (3), the inner wall of the half-circular spiral winding pipes (311) is tightly attached to the outer wall of the spiral pipes (21), and the half-circular spiral winding pipes (311) and the spiral pipes (21) are connected on the same side in the same rotating direction.

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