Socket and spigot type flexible connector reinforced concrete drainage pipe

By designing a socket-type flexible interface structure and filling the injection cavity with viscous sealant, the corrosion and sealing failure problems at the connection of reinforced concrete drainage pipes were solved, achieving good sealing effect and extended service life.

CN223953525UActive Publication Date: 2026-02-27ANHUI XINLIN PIPE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520347677.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-02-27
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Air or moisture can easily enter the joints of existing reinforced concrete drainage pipes, leading to corrosion and seal failure. The sealing rings are also prone to displacement and deformation, affecting their service life.

Method used

A socket-type flexible interface structure was designed, including first and second connection structures. The injection cavity is filled with adhesive sealant, combined with a sealing groove and bevel design to prevent air or moisture from entering and to prevent the sealant ring from shifting or deforming.

Benefits of technology

It improves the sealing effect at the joints, prevents corrosion, extends the service life of the drainage pipes, and reduces the risk of damage to the sealing rings.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of reinforced concrete drainage pipes, in particular to a socket type flexible connector reinforced concrete drainage pipe which comprises a pipeline body, a first connecting structure and a second connecting structure are arranged on the two sides of the pipeline body respectively, and the first connecting structure comprises a first connecting body located outside the pipeline body. The first connecting body sequentially comprises a first connecting part, a first sealing part, an annular groove and a first attaching part, a groove is formed in the side face of the first sealing part, a sealing rubber ring is arranged in the groove, a plurality of first mounting grooves are formed in the side face of the first attaching part in a penetrating mode, and a plurality of positioning columns are arranged on the side face of the first attaching part; by arranging the first connecting structure and the second connecting structure, the problem that the sealing effect of the connector connecting position is poor can be effectively solved, meanwhile, by arranging the second sealing part, the sealing groove, the first sealing part and the sealing rubber ring, under the condition that the good sealing effect is guaranteed, damage to the sealing rubber ring is reduced, and the service life of the sealing rubber ring is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to reinforced concrete drainage pipe technical field especially to a socket type flexible interface reinforced concrete drainage pipe. BACKGROUND

[0002] Reinforced concrete drainage pipe is a kind of drainage pipe formed by concrete and steel bar, which combines the compressive resistance of concrete and the tensile resistance of steel bar, has excellent performance and wide application scenarios, and is mainly formed by cement, sand and other materials as matrix material, and embedded with steel wire or threaded steel to improve overall strength and durability. The structure design makes the pipe can withstand greater pressure and gravity load, and is not easy to break and deform.

[0003] The socket type reinforced concrete drainage pipe with the announcement number CN 219588354 U authorized by China is connected by directly inserting the end of the reinforced concrete pipe body into the flared head of another reinforced concrete pipe body during use, and the inner sealing mechanism of the inner wall of the flared head is extruded during the inward movement of the end, so that the extrusion spring outside the inner sealing mechanism is compressed. After the connection of the connection column and the connection hole is completed, the main sealing pad seals the connection between the end and the flared head.

[0004] However, the patent has certain deficiencies in use, and the existing concrete drainage pipe connection is prone to air or a small amount of moisture entering the interface connection due to the uneven structure of the connection. After a period of use, the acidic substances of air and moisture can cause corrosion to the structure of the concrete drainage pipe, causing cracking of the connection of the concrete drainage pipe, thereby affecting the service life of the concrete drainage pipe. In addition, the pipe interfaces are extruded during the butt joint process, and the sealing rubber ring at the connection part is easily displaced under the pushing force, and long-term extrusion can cause the sealing rubber ring to twist and deform, resulting in sealing failure of the connection. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a socket type flexible interface reinforced concrete drainage pipe to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A socket and spigot type flexible interface reinforced concrete drainage pipe, comprising a pipe body, first and second connecting structures arranged on the two sides of the pipe body respectively, the first connecting structure comprising a first connector arranged on the outside of the pipe body, the first connector comprising a first connecting part, a first sealing part, an annular groove and a first fitting part in sequence, a groove being formed in the side surface of the first sealing part, a sealing rubber ring being arranged in the groove, a plurality of first installation grooves being formed in the side surface of the first fitting part, and a plurality of positioning columns being arranged on the side surface of the first fitting part.

[0008] As a preferred scheme of the present application, the second connecting structure comprises a second connector arranged on the outside of the pipe body, a glue injection hole being formed in the top of the second connector, the second connector comprising a second fitting part, a combination part, a second sealing part and a second connecting part in sequence, the side surface of the second fitting part being in abutment with the first fitting part.

[0009] As a preferred scheme of the present application, a sealing groove is formed in the inside of the second fitting part, the sealing groove being in abutment with the sealing rubber ring, the second connecting part being in abutment with the first connecting part, a second installation groove being formed in the side surface of the second fitting part, and a positioning groove being formed in the side surface of the second fitting part.

[0010] As a preferred scheme of the present application, the positioning groove is inserted into the positioning column, a fixing bolt is arranged in the inside of the second installation groove, the fixing bolt penetrating through the second installation groove and the first installation groove, the side surface of the fixing bolt being threadedly connected with a fixing nut, and the fixing nut being arranged on the side surface of the first installation groove.

[0011] As a preferred scheme of the present application, a steel bar support frame is arranged in the inside of the pipe body, the steel bar support frame comprising a steel bar and a steel ring, the steel bar and the steel ring being fixed perpendicularly, and the connecting part of the steel bar and the steel ring being fixed by a fixing member.

[0012] As a preferred scheme of the present application, the combination part and the annular groove overlap to form an injection cavity, and the inside of the injection cavity is filled with viscous sealing glue.

[0013] As a preferred scheme of the present application, the shape of the positioning column is conical, and the material of the positioning column is metal iron.

[0014] As a preferred scheme of the present application, the first sealing part and the second sealing part are in abutment, and the slope of the first sealing part is consistent with the slope of the second sealing part.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] 1. The utility model discloses a first connecting structure and a second connecting structure are set up, realize the fixed connection of reinforced concrete drainage pipe, can effectively solve the poor sealing effect problem of interface connection, after the both ends drainage pipe is connected, the connecting place will form injection cavity, fills the viscous sealant in the injection cavity through the glue injection hole, and the concave -convex structure and small micropore of sealing glue can fill the connecting place, can effectively prevent the influence of air or moisture into the connecting place to the connecting place, thereby improve the service life of drainage pipeline.

[0017] 2. The utility model discloses a second sealing portion, sealing groove, first sealing portion and sealing rubber ring are set up, can effectively solve the problem of sealing rubber ring displacement deformation caused by structure extrusion in the butt joint process, reduce the damage of sealing rubber ring under the condition of guaranteeing good sealing effect, when sealing, the second sealing portion and first sealing portion mutually adhere, the slope setting of second sealing portion and first sealing portion can prevent sealing rubber ring from displacement in the extrusion process, and simultaneously, the setting of sealing groove can make the upper surface of sealing rubber ring and sealing groove tightly abut, reach good sealing effect. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the whole schematic diagram of pipeline of the utility model;

[0019] Figure 2 It is the whole side schematic diagram of pipeline of the utility model;

[0020] Figure 3 It is the pipeline connection section view schematic diagram of the utility model;

[0021] Figure 4 It is the steel bar support frame schematic diagram of the utility model.

[0022] In the drawing: 1, pipeline main body; 2, first connecting structure; 3, second connecting structure; 4, steel bar support frame; 5, fixed bolt; 6, fixed nut; 7, glue injection hole; 8, injection cavity; 201, first connecting body; 202, first installation slot; 203, positioning column; 204, first sealing portion; 205, sealing rubber ring; 206, first connecting portion; 207, annular groove; 208, first adhering portion; 301, second connecting body; 302, second sealing portion; 303, sealing groove; 304, second adhering portion; 305, combination portion; 306, second installation slot; 307, positioning slot; 308, second connecting portion; 401, steel bar; 402, steel bar ring; 403, fixed part. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Embodiments, please refer to Figures 1-4 The present application provides a technical scheme:

[0025] A socket type flexible interface reinforced concrete drainage pipe, comprising a pipeline body 1, a first connecting structure 2 and a second connecting structure 3 are arranged on both sides of the pipeline body 1, a steel bar support frame 4 is arranged in the pipeline body 1, the steel bar support frame 4 comprises a steel bar 401 and a steel ring 402, the steel bar 401 and the steel ring 402 are fixed vertically, the connecting part of the steel bar 401 and the steel ring 402 is fixed by a fixing piece 403, the combination part 305 and the annular groove 207 overlap to form an injection cavity 8, the injection cavity 8 is filled with viscous sealant, the shape of the positioning column 203 is conical, the material of the positioning column 203 is metal iron, the first sealing part 204 and the second sealing part 302 are attached, and the slope of the first sealing part 204 is consistent with the slope of the second sealing part 302.

[0026] In this embodiment, as shown in Figure 1 , Figure 2 and Figure 3 The first connecting structure 2 comprises a first connecting body 201 located outside the pipeline body 1, the first connecting body 201 comprises a first connecting part 206, a first sealing part 204, an annular groove 207 and a first attaching part 208 in sequence, the side surface of the first sealing part 204 is provided with a groove, the groove is provided with a sealant ring 205, the side surface of the first attaching part 208 is provided with a plurality of first installation grooves 202, and the side surface of the first attaching part 208 is provided with a plurality of positioning columns 203.

[0027] The first connecting structure 2 and the second connecting structure 3 are arranged, the reinforced concrete drainage pipe is fixedly connected, the problem of poor sealing effect at the interface connection can be effectively solved, the two end drainage pipes are connected, the injection cavity 8 is formed at the connection, the viscous sealant is filled into the injection cavity 8 through the glue injection hole 7, the sealant can fill the concave-convex structure and the small pores at the connection, the influence of air or moisture on the connection can be effectively prevented, and the service life of the drainage pipe is improved.

[0028] In this embodiment, as shown in Figure 1 , Figure 2 and Figure 4As shown, the second connecting structure 3 comprises a second connecting body 301 located outside the pipeline body 1, the top of the second connecting body 301 is provided with a glue injection hole 7, the second connecting body 301 comprises a second bonding part 304, a combination part 305, a second sealing part 302 and a second connecting part 308 in sequence, the side surface of the second bonding part 304 abuts against the first bonding part 208, the inside of the second bonding part 304 is provided with a sealing groove 303, the sealing groove 303 abuts against the sealing rubber ring 205, the second connecting part 308 abuts against the first connecting part 206, the side surface of the second bonding part 304 is provided with a second mounting groove 306, the side surface of the second bonding part 304 is provided with a positioning groove 307, the positioning groove 307 is inserted with the positioning column 203, the inside of the second mounting groove 306 is provided with a fixing bolt 5, the fixing bolt 5 penetrates through the second mounting groove 306 and the first mounting groove 202, the side surface of the fixing bolt 5 is threadedly connected with a fixing nut 6, and the fixing nut 6 is located at the side surface of the first mounting groove 202.

[0029] By arranging the second sealing part 302, the sealing groove 303, the first sealing part 204 and the sealing rubber ring 205, the problem of displacement and deformation of the sealing rubber ring 205 caused by structure extrusion during butt joint can be effectively solved, the damage to the sealing rubber ring 205 is reduced under the condition of ensuring good sealing effect, the second sealing part 302 and the first sealing part 204 abut against each other during sealing, and the inclined surfaces of the second sealing part 302 and the first sealing part 204 can prevent the displacement of the sealing rubber ring 205 during extrusion, and the arrangement of the sealing groove 303 can make the upper surface of the sealing rubber ring 205 abut against the sealing groove 303 tightly, so that good sealing effect is achieved.

[0030] The utility model discloses a working process: when using the bell and spigot type flexible interface reinforced concrete drainage pipe designed by the scheme to work, the pipeline uses the steel support frame 4 as the supporting structure during processing, can effectively enhance the compression resistance of the drainage pipe structure, first, the second connecting structure 3 of one pipeline and the first connecting structure 2 of another pipeline are connected according to the corresponding positions of the positioning column 203 and the second mounting groove 306, then the connecting part is fixed through the fixing bolt 5 and the fixing nut 6, after fixing, the second sealing part 302 and the first sealing part 204 in the inside are in the abutting state, the sealing rubber ring 205 seals the connecting part, the inclined surfaces of the second sealing part 302 and the first sealing part 204 can prevent the displacement of the sealing rubber ring 205 during extrusion, and the arrangement of the sealing groove 303 can make the upper surface of the sealing rubber ring 205 abut against the sealing groove 303 tightly, so that good sealing effect is achieved, then the viscous sealing glue is injected into the injection cavity 8 from the glue injection hole 7, and the concave-convex structure and the small micropore of the connecting part are filled, which can effectively prevent the air or moisture from entering the connecting part and affecting the connecting part.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bell and spigot flexible interface reinforced concrete drainage pipe comprising a pipe body (1) characterised in that: The pipeline body (1) is provided with a first connecting structure (2) and a second connecting structure (3) on both sides, respectively, the first connecting structure (2) comprises a first connecting body (201) located outside the pipeline body (1), the first connecting body (201) comprises a first connecting part (206), a first sealing part (204), an annular groove (207) and a first fitting part (208) in sequence, a groove is formed in the side surface of the first sealing part (204), a sealing rubber ring (205) is arranged in the groove, a plurality of first mounting grooves (202) are formed in the side surface of the first fitting part (208), and a plurality of positioning columns (203) are arranged on the side surface of the first fitting part (208).

2. A bell and spigot flexible joint reinforced concrete pipe according to claim 1, wherein: The second connecting structure (3) comprises a second connecting body (301) located outside the pipeline body (1), the top of the second connecting body (301) is provided with a glue injection hole (7), the second connecting body (301) comprises a second fitting part (304), a combination part (305), a second sealing part (302) and a second connecting part (308) in sequence, and the side surface of the second fitting part (304) is in abutment with the first fitting part (208).

3. A bell and spigot flexible joint reinforced concrete pipe according to claim 2, wherein: The inside of the second fitting part (304) is provided with a sealing groove (303), the sealing groove (303) is in abutment with the sealing rubber ring (205), the second connecting part (308) is in abutment with the first connecting part (206), a second mounting groove (306) is formed in the side surface of the second fitting part (304), and a positioning groove (307) is formed in the side surface of the second fitting part (304).

4. A bell and spigot flexible joint reinforced concrete pipe according to claim 3, wherein: The positioning groove (307) is inserted into the positioning column (203), the inside of the second mounting groove (306) is provided with a fixing bolt (5), the fixing bolt (5) penetrates through the second mounting groove (306) and the first mounting groove (202), the side surface of the fixing bolt (5) is threadedly connected with a fixing nut (6), and the fixing nut (6) is located on the side surface of the first mounting groove (202).

5. A bell and spigot flexible joint reinforced concrete pipe as claimed in claim 1, wherein: The inside of the pipeline body (1) is provided with a steel bar support frame (4), the steel bar support frame (4) comprises a steel bar (401) and a steel ring (402), the steel bar (401) and the steel ring (402) are fixed vertically, and the connection between the steel bar (401) and the steel ring (402) is fixed by a fixing piece (403).

6. A bell and spigot flexible joint reinforced concrete pipe according to claim 2, wherein: The combination part (305) and the annular groove (207) overlap to form an injection cavity (8), and the inside of the injection cavity (8) is filled with viscous sealant.

7. A bell and spigot flexible joint reinforced concrete pipe according to claim 1, wherein: The shape of the positioning column (203) is conical, and the material of the positioning column (203) is metal iron.

8. A bell and spigot flexible joint reinforced concrete pipe according to claim 1, wherein: The first sealing part (204) and the second sealing part (302) are in abutment, and the inclination of the first sealing part (204) is consistent with the inclination of the second sealing part (302).

Citation Information

Patent Citations

  • Bell and spigot type reinforced concrete drainage pipe

    CN219588354U