CN215950704U

CN215950704U - Prestressed corrugated pipe connecting structure

Info

Publication number: CN215950704U
Application number: CN202121930469.7U
Authority: CN
Inventors: 黄仁佩
Original assignee: Chuxiong Luyin Building Materials Co ltd
Current assignee: Chuxiong Luyin Building Materials Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-03-04
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a prestressed corrugated pipe connecting structure which comprises an inner pipe, two outer pipes and two sealing rings, wherein first threads are arranged at two ends of the outer circumferential wall of the inner pipe, an annular groove is formed in the inner wall of the outer pipe, the front part of the annular groove is opened, second threads are arranged on the circumferential wall of the annular groove, the two sealing rings are respectively sleeved on the two corrugated pipes, the two outer pipes are respectively sleeved on the two corrugated pipes, the two sealing rings are respectively positioned in the annular grooves of the two outer pipes, the sealing rings seal gaps between the corrugated pipes and the annular groove, the two corrugated pipes are respectively arranged in the inner pipe, and the first threads at two ends of the outer circumferential wall of the inner pipe are respectively connected with the second threads on the two outer pipes.

Description

Prestressed corrugated pipe connecting structure

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a connecting structure of a prestressed corrugated pipe.

Background

The corrugated pipe is a pipe shape formed by connecting foldable corrugated sheets along the folding and stretching directions.

At present, two different corrugated pipes are usually wound together by using a sealing adhesive tape in the connection process and then fixed by using a fixing device, and the connection mode is complex in operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a prestressed corrugated pipe connecting structure, which is used for simplifying connecting and mounting steps and realizing the connection and sealing of two corrugated pipes.

The utility model provides a prestressing force corrugated pipe connection structure, includes inner tube, two outer tubes and two sealing washers, the both ends of the outer periphery wall of inner tube have first screw thread, the inner wall of outer tube is opened has the annular groove, and the front portion of annular groove is open, is provided with the second screw thread on the circumference wall of annular groove, and two sealing washers overlap respectively and locate two bellows on, and two outer tubes overlap respectively and locate two bellows on, and two sealing washers are located the annular groove of two outer tubes respectively, and the sealing washer is sealed with the clearance between bellows and the annular groove, and two bellows all enter into in the inner tube, the first screw thread at the outer periphery wall both ends of inner tube respectively with two second threaded connection on the outer tube.

Preferably, still include two snap rings, two snap rings are located two root canals on the bellows is overlapped respectively, and two snap rings are located the annular groove of two outer tubes respectively, and the back wall of snap ring contacts with the back wall of annular groove, and the antetheca of snap ring contacts with the back wall of sealing washer, and the antetheca of sealing washer contacts with the terminal surface of inner tube.

Preferably, the snap ring has a notch thereon.

Preferably, the snap ring is made of plastic.

Preferably, the inner tube is made of plastic.

Preferably, the outer tube is made of plastic.

Preferably, the sealing ring is a silica gel sealing ring.

Preferably, the sealing ring is sleeved in a groove on the outer circumferential wall of the corrugated pipe.

The utility model has the beneficial effects that: when the corrugated pipe is used, firstly, one clamping ring is sleeved on one corrugated pipe, then the sealing ring penetrates through the corrugated pipe from the front side of the corrugated pipe and is sleeved on the corrugated pipe, the rear wall of the sealing ring is in contact with the front wall of the clamping ring, then, one outer pipe penetrates through the corrugated pipe from the rear side until the sealing ring is in contact with the rear wall of the annular groove of the outer pipe, and then, one end of the inner pipe penetrates through the corrugated pipe from the front side of the corrugated pipe and is in threaded connection with the outer pipe; then another snap ring, a sealing ring and an outer pipe are sleeved on another corrugated pipe, and then another corrugated pipe rotates to drive the outer pipe to rotate so as to enable the other end of the outer pipe to be in threaded connection with the other end of the inner pipe, so that the two corrugated pipes are stably connected, and the two sealing rings form sealing between the two corrugated pipes to prevent slurry leakage.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a front sectional view of the present invention.

In the attached drawing, 1-corrugated pipe, 2-outer pipe, 3-inner pipe, 4-sealing ring and 5-snap ring.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

Example 1

As shown in fig. 1, the embodiment provides a prestressed corrugated pipe connection structure, including inner tube 3, two outer tubes 2 and two sealing rings 4, the both ends of the outer circumferential wall of inner tube 3 have first screw thread, the inner wall of outer tube 2 is opened and is had an annular groove, and the front portion of annular groove is open, is provided with the second screw thread on the circumferential wall of annular groove, and two sealing rings 4 overlap respectively and locate two bellows 1, and two outer tubes 2 overlap respectively and locate two bellows 1, and two sealing rings 4 are located the annular groove of two outer tubes 2 respectively, and sealing ring 4 seals the clearance between bellows 1 and the annular groove, and two bellows 1 all get into in the inner tube 3, the first screw thread at the outer circumferential wall both ends of inner tube 3 respectively with the second screw thread connection on two outer tubes 2.

Still include two snap rings 5 in this embodiment, two snap rings 5 overlap respectively and locate two bellows 1 on, two snap rings 5 are located the annular groove of two outer tubes 2 respectively, and the back wall of snap ring 5 contacts with the back wall of annular groove, and the antetheca of snap ring 5 contacts with the back wall of sealing washer 4, and the antetheca of sealing washer 4 contacts with the terminal surface of inner tube 3.

In the present embodiment, the outer tube 2 is positioned at a connection point, and the side of the outer tube 2 close to the other outer tube 2 is the front side.

During installation, firstly, a clamping ring 5 is sleeved on a corrugated pipe 1, then a sealing ring 4 penetrates through the corrugated pipe 1 from the front side of the corrugated pipe 1 and is sleeved on the corrugated pipe 1, the rear wall of the sealing ring 4 is in contact with the front wall of the clamping ring 5, then an outer pipe 2 penetrates through the corrugated pipe 1 from the rear side until the sealing ring 4 is in contact with the rear wall of an annular groove of the outer pipe 2, and then one end of an inner pipe 3 penetrates through the corrugated pipe 1 from the front side and is in threaded connection with the outer pipe 2; then another snap ring 5, a seal ring 4 and an outer pipe 2 are sleeved on another corrugated pipe 1, and then another corrugated pipe 1 is rotated to drive the outer pipe 2 to rotate so as to enable the other end of the outer pipe 2 to be in threaded connection with the other end of the inner pipe 3, so that the two corrugated pipes 1 are stably connected, and the two seal rings 4 are used for sealing the two corrugated pipes 1 to prevent slurry leakage.

In this embodiment, the snap ring 5 is provided with a notch, and in this embodiment, the snap ring 5 is made of plastic, so that when the corrugated pipe is used, the notch is broken, the snap ring 5 is sleeved on the corrugated pipe 1 by increasing the notch, and the snap ring 5 is conveniently fixed on the corrugated pipe 1. The inner tube 3 is made of plastic in this embodiment. The outer tube 2 is made of plastic in this embodiment. In this embodiment, the sealing ring 4 is a silica gel sealing ring.

In this embodiment, the sealing ring 4 is sleeved in the groove on the outer circumferential wall of the corrugated tube 1, so that when the sealing ring 4 is squeezed and sealed, the sealing ring 4 is sleeved in the groove on the outer circumferential wall of the corrugated tube 1, so that the corrugated tube 1 and the outer tube 2 can be fixed more stably.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A prestressed corrugated pipe connecting structure is characterized by comprising an inner pipe (3), two outer pipes (2) and two sealing rings (4), the utility model discloses a corrugated pipe, including inner tube (3), outer circumferential wall, two bellows (1), two outer tubes (2), two sealing washer (4), inner tube (3) outer circumferential wall's both ends have first screw thread, the inner wall of outer tube (2) is opened has the annular groove, the front portion of annular groove is open, be provided with the second screw thread on the circumference wall of annular groove, two sealing washer (4) overlap respectively and are located two bellows (1), two outer tubes (2) overlap respectively and are located two annular grooves of outer tube (2), sealing washer (4) are with the clearance seal between bellows (1) and the annular groove, two bellows (1) all get into in inner tube (3), the first screw thread at inner tube (3) outer circumferential wall both ends respectively with the second threaded connection on two outer tubes (2).

2. The prestressed corrugated pipe connecting structure according to claim 1, further comprising two snap rings (5), wherein the two snap rings (5) are respectively sleeved on the two corrugated pipes (1), the two snap rings (5) are respectively located in the annular grooves of the two outer pipes (2), the rear walls of the snap rings (5) are in contact with the rear walls of the annular grooves, the front walls of the snap rings (5) are in contact with the rear walls of the sealing rings (4), and the front walls of the sealing rings (4) are in contact with the end faces of the inner pipes (3).

3. A prestressed corrugated pipe connection according to claim 2, characterized in that said snap ring (5) is provided with a notch.

4. A prestressed corrugated pipe connection according to claim 2, characterized in that the snap ring (5) is made of plastic.

5. A prestressed corrugated pipe connection according to claim 1, characterized in that the inner pipe (3) is made of plastic.

6. A prestressed corrugated pipe connection according to claim 1, characterized in that the outer pipe (2) is made of plastic.

7. A prestressed corrugated pipe connection according to claim 1, characterized in that said sealing ring (4) is a silicone sealing ring.

8. The prestressed corrugated pipe connection structure according to claim 1, wherein said sealing ring (4) is fitted in a groove of the outer circumferential wall of the corrugated pipe (1).