Plastic-lined pipeline mounting structure

By using components such as inner sealing rings, sealing grooves, sealing rings, outer sealing rings, threaded rods, and fasteners at the connection of plastic-lined pipes, the problems of poor sealing effect and insufficient installation stability at the connection of plastic-lined pipes are solved, achieving good sealing and stable connection.

CN223814462UActive Publication Date: 2026-01-20SHANDONG ZIJIAN GRP
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Patent Information

Application Number
CN202520157960.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-20
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

The existing plastic-lined pipes have poor sealing at the joints, insufficient installation stability, and are prone to leakage.

Method used

It employs components such as an inner sealing ring, sealing groove, sealing ring, outer sealing ring, threaded rod, and fasteners to achieve sealing and stable connection through threaded connection and fastening structure.

Benefits of technology

It improves the sealing effect and installation stability of the plastic-lined pipe joints, preventing leakage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223814462U_ABST
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Abstract

The utility model discloses a plastic-lined pipeline mounting structure which comprises a first plastic-lined pipe. According to the utility model, the end parts of the first plastic-lined pipe and the second plastic-lined pipe are inserted into the gap between the inner sealing ring and the outer sealing ring by a user, so that the sealing strip is clamped into the sealing groove, and the first plastic-lined pipe and the second plastic-lined pipe are preliminarily mounted and connected; the connecting position of the first plastic-lined pipe and the second plastic-lined pipe can be sealed, the good sealing effect is achieved, after preliminary installation and connection of the first plastic-lined pipe and the second plastic-lined pipe are completed, a user clockwise rotates the grip, rotation of the grip drives the threaded rod to rotate, rotation of the threaded rod enables the threaded rod to move upwards under limiting of the threaded hole, and therefore the first plastic-lined pipe and the second plastic-lined pipe are installed and connected. The threaded rod moves to drive the clamping and fixing piece to move, the clamping and fixing piece moves to drive the clamping and fixing strip to move, and therefore the clamping and fixing strip is inserted into the clamping and fixing groove, and stable installation and connection of the first plastic-lined pipe and the second plastic-lined pipe are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of plastic lined pipe, concretely to a plastic lined pipeline mounting structure. BACKGROUND

[0002] The plastic lined pipe is a kind of steel plastic composite pipe, it is with ordinary carbon steel pipe as foundation, lining chemical stability good thermoplastic, cold-drawing composite or rotational molding, this pipe material combines the mechanical properties of steel pipe and the corrosion resistance of plastic pipe, has the characteristics of slow scale formation, not easy to grow microorganism, is the ideal pipeline for conveying acid, alkali, salt, corrosive gas and other media.

[0003] Prior art has the following shortcomings: the prior art with the publication number CN216279969U discloses a plastic lined pipe structure convenient to connect, "including first plastic lined pipe, first plastic lined pipe's one side end movablely connects with second plastic lined pipe;Two first fixed blocks, two first fixed blocks are fixedly connected to the circumferential surface of first plastic lined pipe, the circumferential surface of second plastic lined pipe is fixedly connected with two second fixed blocks;Two groups of clamping mechanisms, each group of clamping mechanism includes first hollow slot, two springs, two first clamping blocks and second clamping block";

[0004] The above plastic lined pipe mounting structure can install and connect two groups of plastic lined pipes when in use, but the connection of the two groups of plastic lined pipes is only simply sealed and connected by inner sealing ring, the overall sealing effect is poor, which can affect the use stability of the plastic lined pipe, and when installing, only two positions of the side walls of the two groups of plastic lined pipes are simply connected and fixed, so the overall installation stability is poor, and the plastic lined pipe can easily leak subsequently. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a plastic lined pipeline mounting structure to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a plastic lined pipeline mounting structure, including first plastic lined pipe, the first plastic lined pipe one end is installed with second plastic lined pipe, be provided with connecting assembly between the first plastic lined pipe and second plastic lined pipe, and connecting assembly can install and connect the first plastic lined pipe with second plastic lined pipe.

[0007] As a further preferred embodiment of the present technical solution, the first plastic lined pipe and the second plastic lined pipe are provided with a sealing groove in the inner wall of one end, and the cross section of the sealing groove is in a circular structure.

[0008] As a further preferred embodiment of the present technical solution, the first plastic lined pipe and the second plastic lined pipe are provided with two groups of clamping grooves symmetrically in the inner wall of one end, and the cross section of the clamping groove is in an arc structure.

[0009] As a further preferred of the technical solution, the connecting assembly comprises an inner sealing ring, two groups of sealing strips, a sealing ring, an outer sealing ring and multiple groups of through holes, the inner sealing ring is arranged on the inner wall of the connecting position of the first plastic-lined pipe and the second plastic-lined pipe, the two groups of sealing strips are symmetrically arranged on the outer wall of the inner sealing ring, the sealing ring is arranged on the outer wall of the inner sealing ring, the outer sealing ring is arranged on the top of the sealing ring, and the multiple groups of through holes are respectively arranged on the surface of the inner sealing ring.

[0010] As a further preferred of the technical solution, the connecting assembly further comprises a threaded hole, a threaded rod, a handle, a clamping piece and two groups of clamping strips, the threaded hole is arranged on the surface of the inner sealing ring, the sealing ring and the outer sealing ring, the threaded rod is arranged in the threaded hole, the handle is arranged on one end of the threaded rod, the clamping piece is rotatably arranged on the other end of the threaded hole, and the two groups of clamping strips are symmetrically arranged on the top of the clamping piece.

[0011] As a further preferred of the technical solution, the sealing strips are arranged correspondingly to the sealing grooves, and the through holes are arranged correspondingly to the clamping strips.

[0012] As a further preferred of the technical solution, the threaded hole is screwed with the threaded rod, the clamping piece is in an arc-shaped structure in cross section, and the clamping strips are arranged correspondingly to the clamping grooves.

[0013] The plastic-lined pipe installation structure has the following beneficial effects:

[0014] With the sealing strips, the sealing grooves, the inner sealing ring, the sealing ring and the outer sealing ring, the first plastic-lined pipe and the second plastic-lined pipe can be preliminarily installed and connected, and the connecting position of the first plastic-lined pipe and the second plastic-lined pipe can be sealed, so that a good sealing effect is achieved; and with the handle, the threaded rod, the threaded hole, the clamping piece, the clamping strips and the clamping grooves, the first plastic-lined pipe and the second plastic-lined pipe can be stably installed and connected. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a first plastic-lined pipe structure schematic view of the utility model;

[0017] Figure 3 It is a connecting assembly structure schematic view of the utility model;

[0018] Figure 4 It is a connecting assembly partial structure schematic view of the utility model.

[0019] In the figure: 1, first plastic-lined pipe; 2, second plastic-lined pipe; 3, sealing groove; 4, clamping groove; 5, inner sealing ring; 6, sealing strip; 7, sealing ring; 8, outer sealing ring; 9, through hole; 10, threaded hole; 11, threaded rod; 12, handle; 13, clamping piece; 14, clamping strip. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] The utility model provides technical scheme: as Figure 1 And Figure 2 As shown in the figure, in the embodiment, a plastic-lined pipe installation structure comprises a first plastic-lined pipe 1, the first plastic-lined pipe 1 is provided with a second plastic-lined pipe 2 at one end, a connecting assembly is arranged between the first plastic-lined pipe 1 and the second plastic-lined pipe 2, the connecting assembly can connect and install the first plastic-lined pipe 1 and the second plastic-lined pipe 2, the first plastic-lined pipe 1 and the second plastic-lined pipe 2 are provided with sealing grooves 3 in the inner wall of one end, the cross section of the sealing groove 3 is circular structure, the first plastic-lined pipe 1 and the second plastic-lined pipe 2 are provided with two groups of clamping grooves 4 in the inner wall of one end symmetrically, the cross section of the clamping groove 4 is arc structure, the user inserts the end of the first plastic-lined pipe 1 and the second plastic-lined pipe 2 into the gap between the inner sealing ring 5 and the outer sealing ring 8 respectively, so that the sealing strip 6 is clamped into the sealing groove 3, and the preliminary installation and connection of the first plastic-lined pipe 1 and the second plastic-lined pipe 2 are completed.

[0022] As Figure 3 And Figure 4As shown, the connecting assembly comprises an inner sealing ring 5, two sets of sealing strips 6, a sealing ring 7, an outer sealing ring 8, a plurality of through holes 9, threaded holes 10, threaded rods 11, a handle 12, a clamping piece 13 and two sets of clamping strips 14, the inner sealing ring 5 is arranged on the inner wall of the connecting part of the first plastic-lined pipe 1 and the second plastic-lined pipe 2, the two sets of sealing strips 6 are symmetrically arranged on the outer wall of the inner sealing ring 5, the sealing ring 7 is arranged on the outer wall of the inner sealing ring 5, the outer sealing ring 8 is arranged on the top of the sealing ring 7, the plurality of through holes 9 are respectively arranged on the surface of the inner sealing ring 5, the threaded holes 10 are arranged on the surface of the inner sealing ring 5, the sealing ring 7 and the outer sealing ring 8, the threaded rods 11 are arranged in the threaded holes 10, the handle 12 is arranged on one end of the threaded rod 11, the clamping piece 13 is rotatably arranged on the other end of the threaded hole 10, and the two sets of clamping strips 14 are symmetrically arranged on the top of the clamping piece 13.

[0023] The utility model provides a plastic-lined pipe installation structure, and the specific working principle is as follows:

[0024] When using the plastic-lined pipe installation structure, the user inserts the end of the first plastic-lined pipe 1 and the second plastic-lined pipe 2 into the gap between the inner sealing ring 5 and the outer sealing ring 8, so that the sealing strip 6 is clamped into the sealing groove 3, and the preliminary installation and connection of the first plastic-lined pipe 1 and the second plastic-lined pipe 2 are completed. Under the arrangement of the inner sealing ring 5, the sealing ring 7 and the outer sealing ring 8, the connecting part of the first plastic-lined pipe 1 and the second plastic-lined pipe 2 can be sealed, achieving good sealing effect. After the preliminary installation and connection of the first plastic-lined pipe 1 and the second plastic-lined pipe 2 are completed, the user rotates the handle 12 clockwise, the rotation of the handle 12 drives the threaded rod 11 to rotate, under the limitation of the threaded hole 10, the rotation of the threaded rod 11 causes the threaded rod 11 to move upwards, the movement of the threaded rod 11 drives the clamping piece 13 to move, the movement of the clamping piece 13 drives the clamping strip 14 to move, so that the clamping strip 14 is inserted into the clamping groove 4, achieving stable installation and connection of the first plastic-lined pipe 1 and the second plastic-lined pipe 2.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic-lined pipe installation structure characterized by comprising: The utility model provides a first plastic lining pipe (1) is installed with second plastic lining pipe (2) one end, and the first plastic lining pipe (1) with second plastic lining pipe (2) between setting up connecting assembly, and connecting assembly can be connected to the first plastic lining pipe (1) with second plastic lining pipe (2) installation; The connecting assembly includes an inner sealing ring (5), two sets of sealing strips (6), a sealing ring (7), an outer sealing ring (8), and multiple sets of through holes (9). The inner sealing ring (5) is arranged on the inner wall of the connection between the first plastic lining pipe (1) and the second plastic lining pipe (2). The two sets of sealing strips (6) are symmetrically arranged on the outer wall of the inner sealing ring (5). The sealing ring (7) is arranged on the outer wall of the inner sealing ring (5). The outer sealing ring (8) is arranged on the top of the sealing ring (7). The multiple sets of through holes (9) are respectively formed on the surface of the inner sealing ring (5). The connecting assembly further includes threaded holes (10), threaded rods (11), handles (12), clamping members (13), and two sets of clamping strips (14). The threaded holes (10) are formed on the surfaces of the inner sealing ring (5), the sealing ring (7), and the outer sealing ring (8). The threaded rods (11) are arranged in the threaded holes (10). The handles (12) are installed on one end of the threaded rods (11). The clamping members (13) are rotatably installed on the other end of the threaded holes (10). The two sets of clamping strips (14) are symmetrically installed on the top of the clamping members (13).

2. A plastic-lined pipe installation structure according to claim 1, characterized by: The inner walls of one end of the first plastic lining pipe (1) and the second plastic lining pipe (2) are respectively provided with sealing grooves (3), and the cross sections of the sealing grooves (3) are circular structures.

3. A plastic-lined pipe installation structure according to claim 1, wherein: The inner walls of one end of the first plastic lining pipe (1) and the second plastic lining pipe (2) are symmetrically provided with two sets of clamping grooves (4), and the cross sections of the clamping grooves (4) are arc structures.

4. A plastic-lined pipe installation structure according to claim 1, characterized by: The sealing strips (6) are correspondingly arranged with the sealing grooves (3), and the through holes (9) are correspondingly arranged with the clamping strips (14).

5. A plastic-lined pipe installation structure according to claim 1, wherein: The threaded holes (10) and the threaded rods (11) are screwed together. The clamping members (13) have arc cross sections. The clamping strips (14) are correspondingly arranged with the clamping grooves (4).

Citation Information

Patent Citations

  • Plastic-lined pipe structure convenient to connect

    CN216279969U