PE corrugated pipe with high sealing performance

Abstract

The utility model provides a PE corrugated pipe with high sealing performance, which comprises a PE corrugated pipe main pipe body, a first connecting part is arranged at one end of the PE corrugated pipe main pipe body, and a second connecting part is arranged at the other end of the PE corrugated pipe main pipe body; a sealing ring groove, a limiting ring groove and an end face clamping groove are formed in the outer wall of the first connecting part, and a sealing ring, a limiting ring and an end face ring are arranged on the inner wall of the second connecting part; after different PE corrugated pipe main pipe bodies are in butt joint, the sealing ring is clamped with the sealing ring grooves in the other PE corrugated pipe main pipe bodies, the limiting ring is clamped in the limiting ring grooves in the other PE corrugated pipe main pipe bodies, and the end face ring is in butt joint with the end face clamping grooves in the other PE corrugated pipe main pipe bodies. Two sealing effects are achieved between the end face ring and the end face clamping groove and between the sealing ring groove and the sealing ring, and therefore the overall sealing performance of a pipeline is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PE corrugated pipes, and in particular relates to a PE corrugated pipe with high sealing performance. Background Art

[0002] PE corrugated pipe is a plastic protective tube made of polyethylene extrusion. It is also called corrugated pipe because of its annular corrugation inside and outside. It protects cables from damage. It has good wear resistance and corrosion resistance, so PE corrugated pipe is also often used as a branch pipe for rainwater and sewage.

[0003] When using PE corrugated pipes, multiple sections of PE corrugated pipe bodies need to be butt-jointed to form an integral structure. The prior art uses a nested connection combined with glue sealing. However, due to the complex structure of the inner wall of the PE corrugated pipe, complete fit cannot be guaranteed during the nesting process. Therefore, the main sealing performance can only rely on the glue on the end face to form a one-time seal, and the overall sealing performance is not high. Utility Model Content

[0004] The utility model provides a PE corrugated pipe with high sealing performance, aiming to solve the problem that the current sealing performance can only rely on one-time sealing of glue on the end surface and the overall sealing performance is not high.

[0005] The utility model is realized in that a high-sealing PE corrugated pipe comprises:

[0006] A PE corrugated pipe main body, wherein one end of the PE corrugated pipe main body is provided with a first connecting portion, and the other end is a second connecting portion;

[0007] The outer wall of the first connecting part is provided with a sealing ring groove, a limiting ring groove and an end face groove, and the inner wall of the second connecting part is provided with a sealing ring, a limiting ring and an end face ring; when different PE corrugated pipe main bodies are butted together, the sealing ring is engaged with the sealing ring groove on the other PE corrugated pipe main body, the limiting ring is engaged with the limiting ring groove on the other PE corrugated pipe main body, and the end face ring is butt-connected with the end face groove on the other PE corrugated pipe main body.

[0008] Preferably, the limiting ring and the limiting ring groove are planar structures on one side close to the end face groove and the end face ring.

[0009] Preferably, the cross section of the sealing ring groove is an arc-shaped structure, and the cross section of the sealing ring is adapted to the sealing ring groove;

[0010] The sealing ring groove is located at the junction of the first connecting portion and the main body of the PE corrugated pipe.

[0011] Preferably, the side wall of the end face slot is a sloped structure, and the end face ring is adapted to the end face slot;

[0012] The end face ring is provided with a supporting surface, and the supporting surface is in contact and connected with the end face slot.

[0013] Preferably, the inner wall of the first connecting portion is further provided with a first supporting ring and a second supporting ring.

[0014] Preferably, the first support ring is located between the sealing ring groove and the limiting ring groove, and the second support ring is located between the limiting ring groove and the end face groove.

[0015] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0016] 1. The end face ring in the high-sealing PE corrugated pipe provided by the utility model can be coated with sealing glue in advance. As the first connecting part is continuously pushed into the end face groove, it will be engaged in the end face ring. The sealing ring groove is arranged on the side of the first connecting part close to the main body of the PE corrugated pipe. When the first connecting part and the second connecting part are connected, when the sealing glue is poured into the gap between the first connecting part and the second connecting part, the sealing glue will synchronously enter the sealing ring groove and the sealing ring along the gap to achieve secondary sealing, thereby improving the overall sealing of the pipeline.

[0017] 2. The high-sealing PE corrugated pipe provided by the utility model generates a reverse supporting force through the limiting ring and the limiting ring groove to resist the axial force generated by the external force between the first connecting part and the second connecting part, thereby preventing the sealing glue layer from being damaged due to deformation and affecting the sealing effect. The limiting ring and the limiting ring groove serve as pressure-bearing parts to share the axial force protection glue coating of other structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a high-sealing PE corrugated pipe provided by the utility model.

[0019] Figure 2 It is a schematic diagram of the XXX structure of a high-sealing PE corrugated pipe provided by the utility model.

[0020] Figure 3 It is a structural schematic diagram of a first connecting part and a second connecting part of a highly sealed PE corrugated pipe provided by the utility model.

[0021] Figure 4 It is a structural schematic diagram of the outer wall of the first connecting part of a high-sealing PE corrugated pipe provided by the utility model.

[0022] Figure 5 The utility model provides a schematic diagram of the end face ring structure of a PE corrugated pipe with high sealing performance.

[0023] Figure 6The utility model provides a schematic diagram of the sealing ring and the limiting ring structure of a PE corrugated pipe with high sealing performance.

[0024] Description of reference numerals:

[0025] 100, PE corrugated pipe main body; 110, first connecting part; 111, sealing ring groove; 112, limiting ring groove; 113, end face groove; 120, second connecting part;

[0026] 210, sealing ring; 220, limiting ring; 230, end face ring; 231, abutting surface;

[0027] 310, first support ring; 320, second support ring;

[0028] 400. Base rod. DETAILED DESCRIPTION

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0030] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0031] The utility model embodiment provides a PE corrugated pipe with high sealing performance, such as Figure 1-Figure 6 As shown, the highly airtight PE corrugated pipe comprises:

[0032] A PE corrugated pipe main body 100, wherein one end of the PE corrugated pipe main body 100 is provided with a first connection portion 110, and the other end is provided with a second connection portion 120. During use, the first connection portion 110 of one section of the PE corrugated pipe main body 100 is inserted into the second connection portion 120 of another section of the PE corrugated pipe main body 100;

[0033] The outer wall of the first connection part 110 is provided with a sealing ring groove 111, a limiting ring groove 112 and an end face groove 113, and the inner wall of the second connection part 120 is provided with a sealing ring 210, a limiting ring 220 and an end face ring 230; after the docking is completed, the sealing ring 210 is engaged in the sealing ring groove 111, the limiting ring 220 is engaged in the limiting ring groove 112, and the end face ring 230 is docked and connected with the end face groove 113;

[0034] In the present application, during the connection process, the end face ring 230 can be coated with sealing glue in advance, and as the first connection part 110 is continuously pushed into the end face groove 113, it will be engaged in the end face ring 230, and the sealing ring groove 111 is set from the side of the first connection part 110 close to the PE corrugated pipe main body 100. When the first connection part 110 and the second connection part 120 are connected, when the sealing glue is poured into the gap between the first connection part 110 and the second connection part 120, the sealing glue will synchronously enter the sealing ring groove 111 and the sealing ring 210 along the gap to achieve secondary sealing, thereby improving the overall sealing of the pipeline;

[0035] The limiting ring 220 and the limiting ring groove 112 adopt a special structural design, wherein the limiting ring 220 and the limiting ring groove 112 are planar structures on the side close to the end face slot 113 and the end face ring 230. When the docking is completed, the limiting ring 220 and the limiting ring groove 112 generate a reverse support force to resist the axial force generated by the external force between the first connection part 110 and the second connection part 120, so as to avoid the sealing glue layer from being damaged due to deformation and affecting the sealing effect. Here, the limiting ring 220 and the limiting ring groove 112 act as a pressure-bearing part to share the axial force of other structures to protect the glue coating;

[0036] As a preferred implementation in this embodiment, the cross section of the sealing ring groove 111 is an arc-shaped structure, and the cross section of the sealing ring 210 is adapted to the sealing ring groove 111;

[0037] In this embodiment, the sealing ring groove 111 is arranged on the first connection part 110 at the junction of the first connection part 110 and the PE corrugated pipe main body 100; therefore, when the first connection part 110 and the second connection part 120 are butted, the sealing glue is added between the first connection part 110 and the second connection part 120, and flows into the sealing ring groove 111, and the sealing ring 210 and the sealing ring groove 111 are reinforced by the sealing glue;

[0038] As a preferred implementation in this embodiment, the side wall of the end face slot 113 is a slope structure, the end face ring 230 is adapted to the end face slot 113, and the end face ring 230 is provided with a supporting surface 231, and the supporting surface 231 is in contact and connected with the end face slot 113;

[0039] In this embodiment, sealing glue may be applied to the abutting surface 231 in advance, and the end surface groove 113 may be pushed onto the end surface ring 230;

[0040] As a preferred implementation in this embodiment, the second connection part 120 may also be a part of the PE corrugated pipe main body 100, and the sealing ring 210, the limiting ring 220 and the end face ring 230 are bonded to the inner wall of the second connection part 120 by using sealing glue at the use site;

[0041] In this embodiment, the PE corrugated pipe main body 100 is cut as needed at the construction site, and after the cutting is completed, a partial structure of the PE corrugated pipe main body 100 away from the first connection part 110 is selected as the second connection part 120; the sealing ring 210, the limiting ring 220 and the end face ring 230 are sequentially applied to the inner wall of the second connection part 120 according to the spacing, ensuring that the positions of the sealing ring groove 111, the limiting ring groove 112 and the end face groove 113 on the first connection part 110 correspond one to one; the outer walls of the sealing ring 210, the limiting ring 220 and the end face ring 230 adopt a wave structure to adapt to the shape of the inner wall of the PE corrugated pipe main body 100;

[0042] As a preferred implementation in this embodiment, a first support ring 310 and a second support ring 320 are further provided inside the first connecting portion 110; the sealing ring groove 111, the limiting ring groove 112 and the end face groove 113 provide support force, the first support ring 310 is located between the sealing ring groove 111 and the limiting ring groove 112, and the second support ring 320 is located between the limiting ring groove 112 and the end face groove 113;

[0043] In this embodiment, the first support ring 310 and the second support ring 320 are made of steel rings using a spray-molded process in the prior art. The first support ring 310 and the second support ring 320 can also be attached to the inner wall of the first connecting portion 110 using glue during assembly.

[0044] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0045] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A PE corrugated pipe with high sealing performance, characterized in that: include: A PE corrugated pipe main body, wherein one end of the PE corrugated pipe main body is provided with a first connecting portion, and the other end is a second connecting portion; The outer wall of the first connecting part is provided with a sealing ring groove, a limiting ring groove and an end face groove, and the inner wall of the second connecting part is provided with a sealing ring, a limiting ring and an end face ring; when different PE corrugated pipe main bodies are butted together, the sealing ring is engaged with the sealing ring groove on the other PE corrugated pipe main body, the limiting ring is engaged with the limiting ring groove on the other PE corrugated pipe main body, and the end face ring is butt-connected with the end face groove on the other PE corrugated pipe main body.

2. A highly airtight PE corrugated pipe as claimed in claim 1, characterized in that: The limiting ring and the limiting ring groove are planar structures on one side close to the end face clamping groove and the end face ring.

3. A highly airtight PE corrugated pipe as claimed in claim 2, characterized in that: The cross section of the sealing ring groove is an arc-shaped structure, and the cross section of the sealing ring is adapted to the sealing ring groove; The sealing ring groove is located at the junction of the first connecting portion and the main body of the PE corrugated pipe.

4. A highly airtight PE corrugated pipe as claimed in claim 3, characterized in that: The side wall of the end face slot is a sloped structure, and the end face ring is adapted to the end face slot; The end face ring is provided with a supporting surface, and the supporting surface is in contact and connected with the end face slot.

5. A highly airtight PE corrugated pipe as claimed in claim 4, characterized in that: The inner wall of the first connecting portion is further provided with a first supporting ring and a second supporting ring.

6. A highly airtight PE corrugated pipe as claimed in claim 5, characterized in that: The first support ring is located between the sealing ring groove and the limiting ring groove, and the second support ring is located between the limiting ring groove and the end face clamping groove.

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