CN212297995U

CN212297995U - Corrugated pipe fitting and pipeline system

Info

Publication number: CN212297995U
Application number: CN202020646470.6U
Authority: CN
Inventors: 李伦; 朱明闯; 文海
Original assignee: Sichuan Xinghuiteng Group Co Ltd
Current assignee: Sichuan Xinghuiteng Group Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-01-05
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a corrugated pipe fitting and a pipeline system, the corrugated pipe fitting is used for the connection of two groups of pipelines, including the corrugated pipe and the end heads arranged at the two ends of the corrugated pipe, the inner wall of each group of end heads is provided with a first annular bulge, the side surface of the annular bulge is provided with an annular groove, the width of the annular groove is matched with the wall thickness of the pipeline, a first sealing ring is arranged in the annular groove, the inner wall of each group of end heads is closely matched with the outer wall of a group of pipelines, and the end part of the pipeline; the utility model discloses a corrugated pipe spare is scalable and crooked, and connection and sealing performance between the pipeline of convenient different position relations are excellent, and this pipe-line system can further strengthen and maintain the stability and the leakproofness of pipeline and pipe connections.

Description

Corrugated pipe fitting and pipeline system

Technical Field

The utility model relates to a drainage sewage pipes field especially relates to a corrugated pipe spare and pipe-line system.

Background

A large number of drainage and sewage pipes are installed in modern buildings, and the pipes are connected through pipe fittings.

In the pipeline installation process, because design error and installation error exist, the pipeline is inconsistent with the design angle with its interval or length or short, angle between treating the pipeline of connecting for the pipe fitting both ends can't accurately be connected with the pipeline, need cut the pipeline or angular adjustment, and the operation is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a corrugated pipe spare and pipe-line system that the leakproofness is good, its connection between the flexible and flexible characteristic that utilizes corrugated pipe realizes the pipeline.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a corrugated pipe spare for the connection of two sets of pipelines, includes the bellows and locates the end at bellows both ends, and every end inner wall of group all is equipped with first cyclic annular arch, cyclic annular arch side is equipped with the annular, and the annular groove width matches with the pipeline wall thickness, is equipped with first sealing washer in the annular, and every end inner wall of group all closely cooperates and pipeline tip butt on first sealing washer with a set of pipeline outer wall.

Furthermore, first cyclic annular arch and end integrated into one piece, the annular lateral wall is the end inner wall.

A piping system comprising:

in the corrugated pipe fitting and the two groups of pipelines, the outer wall of each end of the corrugated pipe fitting is in threaded connection with a group of glands, and holes are formed in the end parts of the glands; the pipeline passes through the hole and extends to in the end, is equipped with the annular arch of second on the pipeline outer wall, the protruding both sides of second annular butt respectively in end tip and gland tip.

Furthermore, the inner wall of the end head is also provided with an axially extending alignment groove, and the outer wall of the pipeline is provided with a key matched with the alignment groove in a groove shape.

Further, a second sealing ring is arranged between the second annular protrusion and the end part of the end head.

Further, the second sealing ring is embedded in the surface of the second annular protrusion.

Furthermore, the second sealing ring is embedded in the end surface of the end head.

The utility model has the advantages of it is following:

1. the corrugated pipe fitting consists of a corrugated pipe and end heads arranged at two ends of the corrugated pipe, and the corrugated pipe has the characteristics of flexibility and retractility and can be flexibly adjusted according to the position relation between pipelines to be connected in a construction site so as to adapt to the connection between the pipelines; the end head is tightly matched with the pipeline, so that the pipeline is not easy to fall off after being installed and has sealing performance; on pipeline tip extended to the first cyclic annular arch of end inner wall, be equipped with the annular that matches with the pipeline wall thickness in the first cyclic annular arch, the pipeline extended to and the joint in the annular, utilizes first sealing washer to realize sealed between pipeline and the end, and sealing performance is good.

2. The utility model discloses an among the pipe-line system, still be equipped with the external screw thread on the end in order to connect a set of gland, the pipeline outer wall is equipped with the annular arch of second, and the gland screws the in-process on the end surface and extrudes the annular arch of second between end and gland tip, further strengthens the reliability of being connected before pipeline and the pipe fitting, can make the pipeline tip tightly support on the first sealing washer in the annular simultaneously, maintains pipe-line system's sealed effect.

Drawings

Fig. 1 is a schematic structural diagram of the piping system of the present invention;

FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is a schematic structural view of the bellows of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

in the figure: 1-corrugated pipe fitting, 100-corrugated pipe, 110-end, 111-alignment groove, 112-first annular protrusion, 113-annular groove, 114-first sealing ring, 2-pipeline, 200-second annular protrusion, 201-second sealing ring, 3-gland and 300-hole.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

The first embodiment is as follows:

as shown in fig. 1-4, a corrugated pipe member 1 for connecting two sets of pipes 2, the corrugated pipe member 1 includes a corrugated pipe 100 and end heads 110 disposed at two ends of the corrugated pipe 100, the inner walls of the end heads 110 are communicated with the inner walls of the corrugated pipe 100; a first annular bulge 112 is arranged on the inner wall of one side, close to the corrugated pipe 100, of each group of end heads 110, a ring groove 113 is arranged on the side surface of each annular bulge 112, the first annular bulge 112 and the end heads 110 are integrally formed, namely the outer side wall of the ring groove 113 is the inner wall of the end head 110, and the inner side wall of the ring groove 113 is the side wall of the annular bulge 112; the groove width of annular groove 113 matches with pipeline 2 wall thickness, is equipped with first sealing washer 114 in the annular groove 113, and during the use, every group end 110 inner wall all closely cooperates with a set of pipeline 2 outer wall to be connected and makes and be difficult for droing between end 110 and the pipeline 2, and pipeline 2 lower tip card has good sealed effect in annular groove 113 and butt on first sealing washer 114.

Example two:

as shown in fig. 1-4, a pipe system includes a corrugated pipe member 1, two sets of pipes 2 and two sets of glands 3 as described in the first embodiment, where the outer wall of each set of head 110 of the corrugated pipe member 1 is provided with an external thread, the inside of the gland 3 is provided with an internal thread to be connected with the head 110 by a thread, the end of the gland 3 is provided with a hole 300, the pipe 2 passes through the hole 300 and extends into the head 110, and the outer wall of the end periphery of the pipe 2 is provided with a second annular protrusion 200; in the process of screwing the gland 3, two sides of the second annular protrusion 200 are respectively abutted to the end part of the end head 110 and the end part of the gland 3, so that the pipeline 2 and the corrugated pipe fitting 1 are locked by the gland 3 and cannot be pulled out.

In addition, in order to prevent the pipe 2 from rotating in the end head 110 to generate abrasion and reduce the sealing effect, the inner wall of the end head 110 is further provided with an axially extending alignment groove 111, the outer wall of the pipe 2 is provided with a key matched with the alignment groove 111 in a groove shape, and the pipe 2 cannot rotate after being inserted into the end head 110.

In addition, in order to further enhance the sealing effect of the pipeline system, a second sealing ring 201 is further arranged between the second annular protrusion 200 and the end of the end head 110, and the second sealing ring 201 can be embedded on the surface of the second annular protrusion 200 or the end surface of the end head 110; in this embodiment, the second sealing ring 201 is embedded in the surface of the second annular protrusion 200, and during the process of screwing the gland 3, the second annular protrusion 200 compresses the first sealing ring 114 and the second sealing ring 201 to realize double sealing inside the pipe system, and the gland 3 after screwing makes the connection relationship firm, and plays a role in maintaining the sealing effect of the two sets of sealing rings.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The corrugated pipe fitting is used for connecting two groups of pipelines (2), and is characterized by comprising a corrugated pipe (100) and end heads (110) arranged at two ends of the corrugated pipe (100), wherein a first annular bulge (112) is arranged on the inner wall of each end head (110), an annular groove (113) is arranged on the side surface of the first annular bulge (112), the groove width of the annular groove (113) is matched with the wall thickness of the pipeline (2), a first sealing ring (114) is arranged in the annular groove (113), the inner wall of each end head (110) is closely matched with the outer wall of one group of pipelines (2), and the end part of each pipeline (2) is abutted against the first sealing ring (114).

2. The bellows part according to claim 1, wherein: the first annular bulge (112) and the end head (110) are integrally formed, and the outer side wall of the annular groove (113) is the inner wall of the end head (110).

3. A piping system, comprising:

the corrugated pipe piece and two groups of pipes (2) as claimed in any one of claims 1-2, wherein the outer wall of each group of ends (110) of the corrugated pipe piece is connected with a group of glands (3) in a threaded manner, and the ends of the glands (3) are provided with holes (300); pipeline (2) pass hole (300) and extend to in end (110), be equipped with second annular arch (200) on the pipeline (2) outer wall, second annular arch (200) both sides butt respectively in end (110) tip and gland (3) tip.

4. A ducting system as claimed in claim 3, wherein: the inner wall of the end head (110) is also provided with an axially extending alignment groove (111), and the outer wall of the pipeline (2) is provided with a key matched with the alignment groove (111) in a groove shape.

5. The conduit system of claim 4, wherein: and a second sealing ring (201) is also arranged between the second annular bulge (200) and the end part of the end head (110).

6. The conduit system of claim 5, wherein: the second sealing ring (201) is embedded on the surface of the second annular bulge (200).

7. The conduit system of claim 5, wherein: the second sealing ring (201) is embedded in the end face of the end head (110).