CN216976184U

CN216976184U - Side pipe connecting structure of three-wall corrugated pipe

Info

Publication number: CN216976184U
Application number: CN202220740488.1U
Authority: CN
Inventors: 孙华丽; 刘良斌; 张东; 丁杰; 虞银涛; 贺晓莉
Original assignee: Ad Pipeline Shanghai Co ltd; Era Co Ltd
Current assignee: Ad Pipeline Shanghai Co ltd; Era Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-15
Anticipated expiration: 2032-03-31

Abstract

The utility model provides a side pipe connecting structure of a three-wall corrugated pipe, and belongs to the technical field of pipelines. It has solved among the prior art how to make the side tube be connected convenient problem with the body. The utility model provides a side pipe connection structure of three wall bellows, three wall bellows include body and side pipe, be equipped with the mounting hole on the body, its characterized in that, side pipe one end has the annular that can elastic deformation and keeps off the edge, the side pipe cross-under is in the mounting hole, the annular keeps off along leaning on and sealing installation hole with the body inner wall counterbalance, the circumference of side pipe has the annular arch of leaning on with the body surface counterbalance. This side pipe connection structure of three wall bellows only needs the operation workman to make the annular keep off to aim at the mounting hole along the one end of place side pipe and directly promote the side pipe just can conveniently realize being connected of side pipe and body.

Description

Side pipe connecting structure of three-wall corrugated pipe

Technical Field

The utility model belongs to the technical field of pipelines, and particularly relates to a side pipe connecting structure of a three-wall corrugated pipe.

Background

In recent years, with the continuous and stable development of national economy, urban infrastructure is further tamped, the existing double-wall corrugated pipe is generally applied to urban drainage systems due to the characteristics of light weight, small drainage resistance, convenient construction and the like, but in the construction dragging process, the corrugated outer wall is easy to be subjected to external force to cause outer wall hole breaking, corrugation sinking and pipe strength reduction, and the corrugated structure ensures that the strength of the corrugated pipe at the trough position is low, the corrugated pipe is easy to warp and deform, the longitudinal bending strength is low, and the pipe body is easy to damage and seep water after the pipe is used for a long time.

In order to avoid the above situation, a three-wall corrugated pipe is currently provided, a pipe body comprises an inner wall layer at the inner side, a middle corrugated layer and an outer wall layer covering the outside, the inner wall layer and the outer wall layer are respectively tightly connected with wave troughs and wave crests of the corrugated layers, the three-wall corrugated pipe has higher strength, the resistance to soil load is enhanced, the three-wall corrugated pipe has better shock resistance and long service life, meanwhile, in order to be connected with an external pipeline, a side pipe is usually arranged on the three-wall corrugated pipe, the side pipe is connected with the inner wall layer, the middle corrugated layer and the outer wall layer in a penetrating manner, the side pipe is respectively fixed with the inner wall layer and the outer wall layer in a hot melting manner, in the process of hot melting the side pipe and the inner wall layer, an operator needs to enter the inner wall layer to perform hot melting operation, the operation space in the inner wall layer is small, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a side pipe connecting structure of a three-wall corrugated pipe aiming at the problems in the prior art, and the utility model aims to solve the technical problems that: how to connect the side tube and the tube body conveniently.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a side pipe connection structure of three wall bellows, three wall bellows include body and side pipe, be equipped with the mounting hole on the body, its characterized in that, side pipe one end has the annular that can elastic deformation and keeps off the edge, the side pipe cross-under is in the mounting hole, the annular keeps off along leaning on and sealed mounting hole with body inner wall counterbalance, the circumference of side pipe has the annular arch that leans on with body surface counterbalance.

The side pipe is installed, an operator enables the annular baffle to be aligned to the installation hole along one end of the side pipe, the side pipe is pushed to enable the annular baffle to be extruded into the installation hole, the side pipe is continuously pushed until the annular protrusion arranged on the side pipe is abutted to the outer surface of the pipe body, the annular baffle abuts to the inner wall of the pipe body and seals the installation hole, and connection of the side pipe and the pipe body can be completed.

In the side tube connecting structure of the three-wall corrugated tube, the annular baffle edge is provided with a first abutting surface abutting against the inner wall of the tube body, the first abutting surface abuts against the inner wall surface of the tube body, the annular protrusion is provided with a second abutting surface abutting against the outer surface of the tube body, and the first abutting surface and the second abutting surface are arranged oppositely. The first face of leaning on is leaned on with body internal face and is leaned on and to realize better barrier effect and the sealed effect to the mounting hole, and the second is leaned on the face and has increased the area of contact with the body surface, plays better barrier effect, and the first face of leaning on and the second is leaned on the face and is set up relatively making the side tube can fix on the body.

In the above side tube connecting structure of the three-wall corrugated tube, the annular blocking edge is provided with an arc-shaped guide surface for guiding the annular blocking edge into the mounting hole. The side pipe is installed, and the arc-shaped guide surface is convenient for the annular baffle edge to be led into the installation hole, so that the side pipe is convenient to install.

In the lateral tube connecting structure of the three-wall corrugated tube, the tube body comprises an inner layer, a middle corrugated layer and an outer layer, the middle corrugated layer is located between the inner layer and the outer layer, the mounting hole penetrates through the inner layer, the middle corrugated layer and the outer layer, and the annular blocking edge abuts against the inner wall of the inner layer. The pipe body comprises inlayer, middle ripple layer and skin, has guaranteed the holistic intensity of pipe body, and shock resistance is better, and the annular keeps off along leaning on with inlayer inner wall to realize improving holistic intensity after connecting the side pipe connection.

In the side pipe connecting structure of the three-wall corrugated pipe, the side pipe comprises a connecting part and an inserting part, the connecting part is connected to the mounting hole in a penetrating mode, the annular blocking edge is arranged at one end of the connecting part, the annular protrusion is arranged on the connecting part, and one end of the inserting part is inserted into the other end of the connecting part. The connecting portion keeps off through the annular and makes the side pipe connect on the body with annular arch, and grafting portion pegs graft on connecting portion, and grafting portion is used for the connection of external pipe.

In the above side tube connection structure of the three-wall corrugated tube, the caliber of the other end of the insertion part is larger than the caliber of one end of the insertion part. When the connection of the insertion part and the connecting part is ensured, the other end of the insertion part is provided with calibers with different sizes to meet the connection of external pipes with different pipe diameters.

Compared with the prior art, this side tubular connection structure of three-wall corrugated pipe has following advantage:

Drawings

Fig. 1 is a sectional view of a side tube connection structure of the present triple wall corrugated tube.

Fig. 2 is a schematic structural view of a pipe body and a side pipe.

Fig. 3 is a schematic structural view of a side tube.

Fig. 4 is an enlarged view of a portion a of fig. 1.

In the figure, 1, a tube body; 1a, mounting holes; 11. an inner layer; 12. a middle corrugated layer; 13. an outer layer; 2. a side tube; 2a, an annular blocking edge; 2a1, a first abutment surface; 2a2, an arc-shaped guide surface; 2b, an annular bulge; 2b1, a second abutment surface; 21. a connecting portion; 22. a plug-in part.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-4, a side tube connection structure of a triple-wall corrugated tube, the triple-wall corrugated tube includes a tube body 1 and a side tube 2, the tube body 1 is provided with a mounting hole 1a, the tube body 1 includes an inner layer 11, a middle corrugated layer 12 and an outer layer 13, the middle corrugated layer 12 is located between the inner layer 11 and the outer layer 13, and the inner layer 11 and the outer layer 13 are respectively closely connected with a trough and a crest of the middle corrugated layer 12, so as to ensure the overall strength of the tube body 1, and have better impact resistance, the mounting hole 1a penetrates through the inner layer 11, the middle corrugated layer 12 and the outer layer 13, the side tube 2 includes a connection portion 21 and a plug-in portion 22, the connection portion 21 is connected to the mounting hole 1a in a penetrating manner, one end of the connection portion 21 has an annular blocking edge 2a capable of being extruded through the mounting hole 1a, the annular blocking edge 2a abuts against the inner wall of the tube body 1 and seals the mounting hole 1a, the circumferential direction of the connection portion 21 has an annular protrusion 2b abutting against the outer surface of the tube body 1, one end of the insertion part 22 is inserted into the other end of the connecting part 21, the insertion part 22 is used for connecting an external pipe, the caliber of the other end of the insertion part 22 is larger than that of one end of the insertion part 22, and the other end of the insertion part 22 can be connected with the connecting part 21 and the calibers of different sizes can meet the requirement of connection of the external pipes of different pipe diameters.

Annular fender has the first face 2a1 of leaning on with body 1 inner wall counterbalance on 2a, first face 2a1 that leans on with body 1 internal wall face and leans on, annular protrusion 2b goes up to have the second that leans on with body 1 surface counterbalance and leans on face 2b1, first face 2a1 and the second of leaning on leans on face 2b1 to set up relatively, first face 2a1 that leans on with body 1 internal wall face to paste can realize better barrier effect and to mounting hole 1 a's sealing action, the second leans on face 2b1 to have increased the area of contact with body 1 surface, play better barrier effect, first face 2a1 that leans on sets up relatively with second that leans on face 2b1 and makes side pipe 2 can fix on body 1.

The annular blocking edge 2a is provided with an arc-shaped guide surface 2a2 which is convenient for the annular blocking edge 2a to be guided into the mounting hole 1a, the side pipe 2 is mounted, and the arc-shaped guide surface 2a2 is convenient for the annular blocking edge 2a to be guided into the mounting hole 1a, so that the side pipe 2 is mounted.

The outer surface of the outer layer 13 is a smooth surface, so that the outer wall can be pulled and rolled conveniently in the carrying and construction process, and the corrugated crack and the dent of the outer wall can not occur, thereby influencing the use of the pipe.

Installing the side pipe 2, enabling one end of the annular blocking edge 2a of the side pipe 2 to be aligned to the installation hole 1a by an operator, pushing the side pipe 2 to enable the annular blocking edge 2a to be extruded into the installation hole 1a, continuously pushing the side pipe 2 until the annular protrusion 2b arranged on the side pipe 2 abuts against the outer surface of the pipe body 1, enabling the annular blocking edge 2a to abut against the inner wall of the pipe body 1 and seal the installation hole 1a at the moment, and then connecting the side pipe 2 with the pipe body 1 can be completed.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a side pipe connection structure of three wall corrugated pipe, three wall corrugated pipe include body (1) and side pipe (2), be equipped with mounting hole (1a) on body (1), its characterized in that, side pipe (2) one end has elastic deformation and can be pushed the annular of passing mounting hole (1a) and keep off along (2a), side pipe (2) cross-under is in mounting hole (1a), the annular keeps off along (2a) and body (1) inner wall counterbalance and lean on and sealed mounting hole (1a), the circumference of side pipe (2) has the annular arch (2b) that leans on with body (1) surface counterbalance.

2. The lateral tube connecting structure of a triple wall corrugated tube according to claim 1, wherein the annular flange (2a) has a first abutting surface (2a1) abutting against the inner wall of the tube body (1), the first abutting surface (2a1) abuts against the inner wall of the tube body (1), the annular protrusion (2b) has a second abutting surface (2b1) abutting against the outer surface of the tube body (1), and the first abutting surface (2a1) and the second abutting surface (2b1) are opposite to each other.

3. A side tube connecting structure of a triple wall corrugated tube according to claim 1 or 2, wherein the annular flange (2a) has an arc-shaped guide surface (2a2) for facilitating the introduction of the annular flange (2a) into the mounting hole (1 a).

4. A side tube connection structure of a triple wall corrugated tube according to claim 1 or 2, wherein the tube body (1) comprises an inner layer (11), a middle corrugated layer (12) and an outer layer (13), the middle corrugated layer (12) is located between the inner layer (11) and the outer layer (13), the mounting hole (1a) penetrates through the inner layer (11), the middle corrugated layer (12) and the outer layer (13), and the annular blocking edge (2a) abuts against the inner wall of the inner layer (11).

5. A side tube connecting structure of a triple wall corrugated tube according to claim 1 or 2, wherein the side tube (2) comprises a connecting portion (21) and an inserting portion (22), the connecting portion (21) is inserted into the mounting hole (1a), one end of the connecting portion (21) is provided with the annular retaining edge (2a), the annular protrusion (2b) is arranged on the connecting portion (21), and one end of the inserting portion (22) is inserted into the other end of the connecting portion (21).

6. A side tube connecting structure of a triple wall corrugated tube according to claim 5, wherein an aperture of the other end of the insertion part (22) is larger than an aperture of one end of the insertion part (22).