Anti-seepage reinforced concrete pipe flexible connector

Abstract

The utility model discloses an anti-seepage reinforced concrete pipe flexible connector which comprises a reinforced concrete pipe spigot end and a socket end, a built-in ring is arranged outside the spigot end, a water stop gasket is arranged between the end face of the spigot end and the bearing face of the socket end, a sealing ring is arranged after the spigot end and the socket end are in butt joint, and an annular water stop belt is arranged outside the sealing ring. One side of the annular water-stop belt is connected with the socket end, the other side of the annular water-stop belt is connected with the spigot end, a grouting hole is formed in the socket end, and the top of the grouting hole is plugged through sealant after grouting is completed. Through the application of the built-in ring, the problems that the rubber ring cannot be installed, is locally exposed, is damaged and the like are solved, the elastic sealing water stopping function of the water-swelling water stopping gasket after the water-swelling water stopping gasket encounters water is fully played, multiple functions are achieved, water resistance is enhanced, and therefore the service life of a pipeline is prolonged. When differential settlement occurs, received displacement deformation can be buffered, the pipeline leakage phenomenon is effectively prevented, and safe and stable operation of a pipe network is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to drainage pipeline installation technical field, concretely is a reinforced concrete pipe flexible interface of anti -permeability. BACKGROUND

[0002] As an important part of urban infrastructure, municipal water supply and drainage pipe network undertakes the important task of guaranteeing urban residents' water, drainage and flood control. In the construction process of municipal water supply and drainage pipe network, due to the complex and changeable geological conditions, the pipeline is easily affected by various factors and appears problems such as settlement and deformation. The traditional reinforced concrete pipeline connection mostly adopts rigid connection mode, such as socket connection. This connection mode has obvious limitations when dealing with uneven settlement of foundation, cannot effectively resist deformation, and leads to phenomena such as fracture, disconnection, inverted slope at the pipeline connection, and ditch suspension, cracking and shearing, etc. Specifically, when the pipeline is subjected to self-weight or external load, stress concentration is easily generated due to the inability to adapt to the slight changes of foundation, thereby causing damage at the connection, leading to water leakage.

[0003] The utility model discloses a reinforced concrete pipe flexible interface structure discloses a reinforced concrete pipe flexible interface structure, including A pipe joint and B pipe joint, A pipe joint is equipped with neck part, B pipe joint is equipped with sunken groove part, A pipe joint's neck part and B pipe joint's sunken groove part butt joint, A pipe joint's neck part and B pipe joint's sunken groove part between be equipped with flexible connecting piece, flexible connecting piece one side sticks to sunken groove part, and flexible connecting piece the other side sticks to neck part, and A pipe joint and B pipe joint butt joint place outside winding have flexible band, and flexible band outside winding have pitchy hemp rope, although the reinforced concrete pipe flexible docking problem of soft foundation has been solved, but in the pipeline laying process, due to construction accuracy, geological condition change and other factors, it is difficult to achieve complete sealing between the pipelines, and there is a leakage risk. Once the pipeline leaks, not only will it affect the normal operation of the pipe network, but also may cause pollution to the surrounding environment, and even cause safety accidents. UTILITY MODEL CONTENTS

[0004] The utility model discloses a reinforced concrete pipe flexible interface of anti -permeability, which forms a new flexible connection structure by combining rubber ring embedding and gap flexible sealing filling, improves the anti -deformation ability and sealing anti -permeability of reinforced concrete pipeline interface.

[0005] The utility model discloses a technical scheme that solves its technical problems: a flexible interface of reinforced concrete pipe of anti-seepage, its structure includes reinforced concrete pipe socket end and socket end, the socket end outside sets in fixed ring, the socket end end face and socket end bearing surface between setting water stop washer, the socket end and socket end butt joint after setting closed ring, the closed ring outside is equipped with annular water stop tape, one side of annular water stop tape is connected with socket end, the other side of annular water stop tape is connected with socket end, socket end is equipped with grouting hole, and the top of grouting hole is sealed with sealing paste after grouting is completed.

[0006] Further, the annular water stop tape is fixed on one side of the socket end by a nut, an annular steel pressing plate and a pre-buried screw rod, and the annular water stop tape is fastened on one side of the socket end by a grommet.

[0007] Further, the inlaying ring is pre-buried in the prefabrication process of the socket end of the reinforced concrete pipe, the pre-buried screw rod and the inlaying ring are made of rubber material, the exposed surface of the inlaying ring is correctly painted with lubricating oil before the pipe is installed, the friction between the rubber material and the pipe wall is reduced, and the pre-buried screw rod is made of stainless steel material.

[0008] Further, the socket end end face and the socket end bearing surface are provided with a water stop washer.

[0009] Further, the water stop washer is pasted on the socket end bearing surface, and the water stop washer is a water-swelling water stop washer.

[0010] Further, the closed ring is made of two-component polyurethane sealant, and the closed ring is evenly arranged along the socket end after the socket end and the socket end are accurately butt-jointed.

[0011] Further, the annular water stop tape is an externally attached rubber water stop tape, the annular steel pressing plate and the nut are made of stainless steel material, the annular water stop tape and the annular steel pressing plate are sequentially installed on the pre-buried screw rod, and then the nut is fastened, and the nut is used in combination with the pre-buried screw rod.

[0012] The utility model discloses the beneficial effect:

[0013] The utility model discloses a flexible interface of reinforced concrete pipe, which is provided with an inlaying ring outside the interface end. Through the application of the inlaying ring, the problems of incomplete installation, partial exposure and damage of the rubber ring in the traditional installation mode are solved, the service life and sealing performance of the rubber ring are ensured, the elastic sealing and water stopping effect of the water-swelling water stop washer after water is fully utilized, multiple effects are used to strengthen waterproofing, and the service life of the pipeline is prolonged.

[0014] The utility model discloses a structure that can buffer the displacement deformation received when uneven settlement occurs, ensure the stable and reliable connection between the reinforced concrete pipes, effectively prevent the occurrence of pipeline leakage, and guarantee the safe and stable operation of the pipe network. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] In the picture:

[0017] 1. Socket end, 2. Socket end, 3. Embedded ring, 4. Water-stop gasket, 5. Grouting hole, 6. Sealant, 7. Sealing ring, 8. Annular water-stop strip, 9. Embedded bolt, 10. Annular steel pressure plate, 11. Nut, 12. Hose clamp. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] like Figure 1 As shown: A leak-proof flexible joint for reinforced concrete pipes, comprising a spigot end 1 and a socket end 2. A retaining ring 3 is provided on the outside of the spigot end 1. A water-stopping gasket 4 is provided between the end face of the spigot end 1 and the bearing surface of the socket end 2. A sealing ring 7 is provided after the spigot end 1 and the socket end 2 are joined. An annular water-stop strip 8 is fixed at the spigot end 1 by a nut 11, an annular steel pressure plate 10 and a pre-embedded screw 9. The annular water-stop strip 8 is tightened at the socket end 4 by a hose clamp 12. A grouting hole 5 is provided at the socket end 2. After grouting, a sealant 6 is used for sealing.

[0020] In practice, the reinforced concrete pipe spigot end 1 is pre-embedded with a retaining ring 3 and a pre-embedded screw 9 during the prefabrication process to ensure the stability of subsequent installation. Before pipe alignment, the exposed surface of the retaining ring 3 is properly coated with lubricating oil to reduce friction between the rubber material and the pipe wall, promoting smooth installation. A clean, non-corrosive, non-toxic, and non-polluting industrial lubricating oil should be selected, and the lubrication surface should be evenly coated during application. The pre-embedded screw 9 is made of stainless steel, with a diameter of 10mm, a length of 100mm, and 30mm exposed.

[0021] In specific implementation, the water-swellable gasket 4 between the end face of the spigot end 1 and the receiving face of the socket end 2 is a water-swellable gasket. Before the pipe is installed, the water-swellable gasket 4 is pasted onto the receiving face of the socket end using its own adhesiveness. After the pipe is installed, a uniformly filled waterproof seal is formed.

[0022] In the embodiment, the sealing ring 7 is made of two-component polyurethane sealant, and after the spigot end 1 is accurately connected with the socket end 2, the contact surface of the sealing ring and the reinforced concrete pipe is cleaned, the sealing ring 7 is evenly arranged along the socket end 2, and the surface of the sealing ring 7 is controlled to be smoothly transitioned at a ratio of 1:1.

[0023] In the embodiment, the annular water stop 8 is an externally attached rubber water stop with a width of 150 mm and a thickness of 4 mm, the annular steel pressing plate 10 and the nut 12 are made of stainless steel, the annular steel pressing plate 10 has a thickness of 4 mm and a width of 40 mm, and the annular water stop 8, the annular steel pressing plate 10 and the nut 12 are sequentially installed on the embedded screw rod 9, and then the nut 12 is fastened, and the nut 12 is used in combination with the embedded screw rod 9.

[0024] In the embodiment, the socket end of the reinforced concrete pipe is preformed with a grouting hole 5, after the pipe openings are connected, the grouting hole 5 is used to fill silicone sealant inward, the pipe joint is deeply sealed by using the excellent elasticity and sealing property of the silicone sealant, and after the completion, the sealing paste 6 is used for sealing treatment, the sealing paste 6 is two-component polyurethane sealant, and the integrity and durability of the sealing system are ensured.

[0025] The above description only illustrates some principles of the utility model by using diagrams, the specification is not intended to limit the utility model to the specific structure and application range shown in the specification, and therefore all possible corresponding modifications and equivalents belong to the patent range applied by the utility model.

[0026] In addition to the technical features described in the specification, the remaining technical features are known to those skilled in the art.

Claims

1. A flexible joint for a leak-tight reinforced concrete pipe, characterized in that The utility model relates to a reinforced concrete pipe socket end and spigot end, the socket end is externally provided with an embedded ring, a water stop gasket is arranged between the socket end face and the spigot end receiving surface, a closure ring is arranged after the socket end and the spigot end are connected, the closure ring is externally provided with an annular water stop belt, one side of the annular water stop belt is connected with the spigot end, the other side of the annular water stop belt is connected with the socket end, the spigot end is provided with a grouting hole, the top of the grouting hole is sealed by sealing paste after grouting is completed.

2. A flexible joint for a leak resistant reinforced concrete pipe according to claim 1, characterised in that, The annular water stop belt is fixed on one side of the spigot end by a nut, an annular steel pressing plate and a pre-buried screw rod, and is fastened on one side of the socket end by a throat clamp.

3. A flexible joint for a leak resistant reinforced concrete pipe according to claim 1, characterized in that: The embedded ring is pre-buried in the prefabrication process of the socket end of the reinforced concrete pipe.

4. A leak-proof reinforced concrete pipe flexible joint according to claim 1, characterized in that: A water stop gasket is arranged between the socket end face and the spigot end receiving surface.

5. A leak-proof reinforced concrete pipe flexible joint according to claim 4, characterized in that: The water stop gasket is pasted on the spigot end receiving surface, and the water stop gasket is a water-swelling water stop gasket.

6. A flexible joint for leak resistant reinforced concrete pipes according to claim 1, characterized in that The closure ring is made of two-component polyurethane sealant, and the closure ring is evenly arranged along the spigot end in a ring shape after the socket end and the spigot end are accurately connected.

7. A flexible joint for leak resistant reinforced concrete pipes according to claim 1, characterized in that: The annular water stop belt is an externally-pasted rubber water stop belt.

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