Flexible connector quick connection structure for drainage pipeline

By using the flexible interface structure's bending ring, connecting sleeve, and fastener design, the problems of low connection efficiency and easy deformation of traditional drainage pipes are solved, achieving the effects of rapid installation, good sealing, and easy maintenance.

CN223768390UActive Publication Date: 2026-01-06ZHEJIANG RUANS PLASTIC IND
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Patent Information

Application Number
CN202520647531.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-01-06
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Traditional drainage pipe connection methods are inefficient, prone to deformation, have poor sealing, and cannot adapt to pipe vibration or foundation settlement.

Method used

It adopts a flexible interface structure, including bending ring, connecting sleeve and fastener, and uses the rotational connection of retaining ring and retaining groove, combined with elastic sealing gasket and right-angle trapezoidal connecting ring to disperse stress and achieve quick installation and disassembly.

Benefits of technology

It improves the stability and sealing of the connection, adapts to the thermal expansion and contraction and vibration of the pipeline, simplifies the installation and maintenance process, and extends the service life of the interface.

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Abstract

The utility model discloses a flexible interface quick connection structure for a drainage pipeline, which comprises a bending ring at the end part of the drainage pipeline, a connecting sleeve and a fastener, two ends of the connecting sleeve are provided with connecting rings corresponding to the bending ring, the bending ring and the connecting rings are connected through the fastener, the fastener comprises a clamping ring I and a clamping ring II, and the clamping ring I is connected with the connecting rings through the clamping ring II. One end of the first clamping ring is rotationally connected with one end of the second clamping ring, the other end of the first clamping ring is detachably connected with the other end of the second clamping ring, clamping grooves are formed in the inner side wall of the first clamping ring and the inner side wall of the second clamping ring, and the clamping grooves clamp the bending ring and the connecting ring. The utility model belongs to the technical field of connector quick connection structures, and particularly relates to a flexible connector quick connection structure for a drainage pipeline.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of interface quick connecting structure, specifically point to a flexible interface quick connecting structure for drainage pipeline. BACKGROUND

[0002] In the drainage pipeline system, the connection between the pipes is always a crucial link, and the traditional drainage pipeline connection mode, such as welding, flange connection, etc.

[0003] Traditional flange connection needs multiple groups of bolt fastening, and the installation efficiency is low, and it cannot adapt to pipeline vibration or foundation settlement, which easily leads to sealing failure; fusion welding needs professional equipment, and the on-site construction is limited, and stress concentration points are easily formed at the interface, which is easy to deform, and at the same time, the sealing washer is not convenient to hold and place when the pipes are butt-jointed. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that the traditional drainage pipeline connection mode is low in efficiency and easy to deform.

[0005] In order to realize the above functions, the technical scheme adopted by the utility model is as follows: a flexible interface quick connecting structure for drainage pipeline, comprising a bent ring at the end of the drainage pipeline, a connecting sleeve and a fastener, the two ends of the connecting sleeve are provided with connecting rings corresponding to the bent ring, the bent ring and the connecting ring are connected through the fastener, the fastener comprises a clasp one and a clasp two, one end of the clasp one and the clasp two is rotatably connected, the other end of the clasp one and the clasp two is detachably connected, the inner side wall of the clasp one and the clasp two is provided with a clamping groove, the clamping groove clamps the bent ring and the connecting ring, a sealing washer is arranged between the bent ring and the connecting ring, and a protrusion is arranged at the edge of the sealing washer.

[0006] Preferably, the sealing washer has elasticity.

[0007] Preferably, the cross section of the end of the connecting ring is in the shape of a right trapezoid, the inner side wall of the clamping groove is matched with the inclined part of the connecting ring, and the clamping groove clamps the bent ring, the connecting ring and the elastic sealing washer.

[0008] Preferably, the connecting sleeve is made of high-density polyethylene.

[0009] Preferably, the end of the clasp one and the clasp two is provided with an extension plate, grooves are arranged on the two groups of extension plates, a stud is rotatably connected to one group of grooves through a shaft, the stud is clamped into the other group of grooves, and a nut is threadedly connected to the stud and pressed against the side wall of the extension plate.

[0010] Preferably, the clasp one and the clasp two are in the shape of an arc, and the end of the clasp one and the clasp two away from the extension plate is rotatably connected to a connecting plate through a shaft.

[0011] The utility model discloses adopt above -mentioned structure and obtain beneficial effect as follows:

[0012] 1, the protruding of the sealing washer edge, when using, from the bending ring and the connecting ring between the extension, and in the gap of the end of snap ring one and snap ring two butt joint, convenient handheld and place sealing washer.

[0013] 2, this flexible interface quick -connect structure for drainage pipeline, through the cooperation of bending ring, connecting ring and fastener, can realize quick installation, the elastic sealing washer that sets up between bending ring and connecting ring, can effectively fill the micro gap between both.

[0014] 3, the end of the connecting ring adopts the right trapezoid structure and sets up, and the inner side wall of the clamping groove is matched with the inclination of the connecting ring, and this design can effectively disperse the stress generated in the pipeline, avoids the deformation of the interface due to pressure concentration, thereby improve the stability and service life of the interface.

[0015] 4, the fastener that snap ring one and snap ring two constitute, one end rotation connection, the other end passes through the detachable connection of stud and nut, when the drainage pipeline needs to overhaul or maintain, only need to loosen the nut, can easily dismantle snap ring, and then check and repair the pipeline interface, simple and quick operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the sectional view of the utility model embodiment;

[0017] Figure 2 It is Figure 1 The enlarged view of A part in Fig. 1;

[0018] Figure 3 It is the overall structure schematic of the utility model embodiment Figure 1 ;

[0019] Figure 4 It is the overall structure schematic of the utility model embodiment Figure 2 ;

[0020] Figure 5 It is the structure schematic of the sealing washer of the utility model embodiment.

[0021] Among them, 1, bending ring, 2, connecting sleeve, 3, fastener, 4, connecting ring, 5, snap ring one, 6, snap ring two, 7, clamping groove, 8, sealing washer, 9, extension plate, 10, recess, 11, stud, 12, nut, 13, connecting plate, 14, protruding. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0023] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. The present application will be further described below with reference to the drawings.

[0024] As shown in Figures 1-5 The present application provides a flexible interface quick connection structure for a drainage pipeline, which comprises a bent ring 1 at the end of the drainage pipeline, a connecting sleeve 2 and a fastener 3. The connecting sleeve 2 is made of high-density polyethylene. The two ends of the connecting sleeve 2 are provided with connecting rings 4 corresponding to the bent ring 1. The bent ring 1 and the connecting ring 4 are connected by the fastener 3. A sealing gasket 8 is arranged between the bent ring 1 and the connecting ring 4. The sealing gasket 8 has elasticity. The edge of the sealing gasket 8 is provided with a protrusion 14. The sealing gasket 8 fills the microscopic gap between the bent ring 1 and the connecting ring 4, adapts to the thermal expansion and contraction or vibration deformation of the pipeline, and prevents leakage.

[0025] The fastener 3 comprises a clasp one 5 and a clasp two 6. One end of the clasp one 5 and the clasp two 6 is rotatably connected. The other end of the clasp one 5 and the clasp two 6 is detachably connected. The inner side walls of the clasp one 5 and the clasp two 6 are provided with clamping grooves 7. The clamping grooves 7 clamp the bent ring 1 and the connecting ring 4. The clasp one 5 and the clasp two 6 are both provided in an arc shape. The ends of the clasp one 5 and the clasp two 6 away from the extension plate 9 are rotatably connected with a connecting plate 13. The clasp one 5 and the clasp two 6 are wrapped around the outer sides of the bent ring 1 and the connecting ring 4. The clamping grooves 7 of the inner side walls of the clasp one 5 and the clasp two 6 clamp the bent ring 1 and the connecting ring 4, and are fixed by the fastener 3. The protrusion 14 at the edge of the sealing gasket 8 extends out between the bent ring 1 and the connecting ring 4 in use, and is arranged in the gap between the ends of the clasp one 5 and the clasp two 6. The sealing gasket 8 is convenient to hold and place.

[0026] As shown in Figure 2As shown, the cross section of the end of the connecting ring 4 is arranged in a right-angled trapezoidal structure, the inner side wall of the clamping groove 7 is matched with the inclined part of the connecting ring 4, the clamping groove 7 clamps the bending ring 1, the connecting ring 4 and the elastic sealing gasket 8, and the elastic sealing gasket 8 clamps the bending ring 1 and the connecting ring 4, the connecting ring 4 with a right-angled trapezoidal section (matched with the inclined clamping groove 7) can effectively disperse the stress generated by the pressure in the pipeline, prevent the deformation of the interface due to pressure concentration, and cooperate with the self-tightening design of the inclined surface of the right-angled trapezoidal connecting ring 4 and the clamping groove 7, allowing the interface to flexibly deflect in the axial and radial directions, adapting to thermal expansion and contraction or vibration.

[0027] As shown in the drawings, Figure 4 As shown, the end of the clamping ring one 5 and the clamping ring two 6 is provided with an extension plate 9, the extension plate 9 is provided with a groove 10, the groove 10 is connected with a stud 11 through shaft rotation, the stud 11 is clamped into the other groove 10, and the nut 12 is threadedly connected, and the nut 12 is pressed against the side wall of the extension plate 9.

[0028] Specific use, the elastic sealing gasket 8 is placed between the bending ring 1 and the connecting ring 4, ensuring that the gasket uniformly covers the contact area of the two, to ensure the sealing effect, the connecting ring 4 at one end of the connecting sleeve 2 is aligned with the bending ring 1 at the end of the drainage pipeline, so that the two are closely attached, at this time the elastic sealing gasket 8 is between the two, then the clamping ring one 5 and the clamping ring two 6 are wrapped around the outside of the bending ring 1 and the connecting ring 4, so that the clamping groove 7 of the inner side wall of the clamping ring one 5 and the clamping ring two 6 clamps the bending ring 1, the connecting ring 4 and the elastic sealing gasket 8, and the nut 12 is tightened using a tool, so that the nut 12 is pressed against the side wall of the extension plate 9, thereby fastening the clamping ring one 5 and the clamping ring two 6, and ensuring the firmness of the connection.

[0029] The above describes the utility model and its implementation, which is not limited, and the drawings shown are only one of the embodiments of the utility model, and the actual structure is not limited. In general, if a person skilled in the art is inspired, without departing from the purpose of the utility model, without creative design, similar structure and embodiments of the technical solution can be designed, which should belong to the protection scope of the utility model.

Claims

1. A flexible coupling quick connection structure for a drain pipe, characterized by: The utility model relates to a bend ring (1) of sewer pipe end, connecting sleeve (2) and fastener (3), connecting sleeve (2) both ends are equipped with the connecting ring (4) corresponding with bend ring (1), bend ring (1) and connecting ring (4) are connected through fastener (3), be equipped with sealing washer (8) between bend ring (1) and connecting ring (4), be equipped with protrusion (14) at the edge of sealing washer (8), fastener (3) includes snap ring one (5) and snap ring two (6), one end of snap ring one (5) and snap ring two (6) is rotatably connected, and the other end is detachably connected, and the inner side wall of snap ring one (5) and snap ring two (6) is equipped with clamping groove (7), and clamping groove (7) clamps bend ring (1) and connecting ring (4).

2. The flexible coupling quick connection structure for a drain pipe according to claim 1, characterized by: The sealing washer (8) is elastic.

3. A flexible coupling quick connection structure for a drain pipe according to claim 2, characterized in that: The end of the connecting ring (4) is in a straight-angled trapezoidal structure, the inner side wall of the clamping groove (7) is matched with the inclined part of the connecting ring (4), and the clamping groove (7) clamps the bend ring (1), the connecting ring (4) and the elastic sealing washer (8).

4. A flexible joint quick coupling structure for a sewer pipe according to claim 2 or 3, characterized in that: The connecting sleeve (2) is made of high-density polyethylene.

5. The flexible coupling quick connection structure for a sewer pipe according to any one of claims 1 to 3, characterized in that: The end of the snap ring one (5) and the snap ring two (6) is provided with an extension plate (9), and the two groups of extension plates (9) are provided with grooves (10), one group of grooves (10) is rotatably connected with a stud (11) through a shaft, the stud (11) is clamped into the other group of grooves (10), and a nut (12) is threadedly connected, and the nut (12) is pressed against the side wall of the extension plate (9).

6. A flexible coupling quick connection structure for a drain pipe according to claim 5, characterized in that: The snap ring one (5) and the snap ring two (6) are in an arc structure, and the end of the snap ring one (5) and the snap ring two (6) away from the extension plate (9) is rotatably connected with a connecting plate (13) through a shaft.