Steel-plastic composite winding drainage pipe convenient to connect

By setting up structures such as pipe body convex strips, seal convex strips and fixing sleeves on the steel-plastic composite wound drain pipe, combined with the use of sealing gaskets and bolts and nuts, the problems of inconvenient alignment and water leakage in the drain pipe connection are solved, and the effect of easy assembly and preventing fall off is achieved.

CN222894813UActive Publication Date: 2025-05-23FUJIAN DAEWOO NEW PIPELINE CO LTD
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Patent Information

Application Number
CN202422043115.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-05-23
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

In the existing steel-plastic composite winding drain pipe connection technology, excessive drain pipes lead to inconvenient connection alignment, aging of seal rings and loosening of rotary connections, resulting in water flow impact easily causing water leakage.

Method used

A steel-plastic composite winding drainage pipe is designed for easy connection. By setting up a pipe body convex strip, a rubber sealing convex strip, a fixing sleeve and a flange on the pipe body, combined with the use of sealing gaskets and bolts and nuts, the tight connection and sealing of the pipe body is achieved.

Benefits of technology

It improves the assembly convenience and tightening effect of drain pipes, prevents water leakage at the docking point of water pipes, and enhances the stability of the connection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222894813U_ABST
Patent Text Reader

Abstract

The utility model discloses a steel-plastic composite winding drainage pipe convenient to connect, which relates to the technical field of drainage pipes and comprises a first pipe body, a rubber sealing convex internal thread section is arranged at the top end of the first pipe body, a second pipe body is arranged at the rubber sealing convex internal thread section, and a flange plate internal thread section is fixedly connected to the top end of the second pipe body. A large sealing gasket internal thread section is arranged on the end face of the flange plate internal thread section, a fixing sleeve internal thread section is arranged on the other end face of the large sealing gasket internal thread section internal thread section, and the first pipe body can be connected to the second pipe body by directly inserting the first pipe body into the second pipe body and arranging the sealing gasket; therefore, the first pipe body and the second pipe body can be conveniently assembled. The middle lower part of the first pipe body is provided with a pipe body raised line internal thread section, and the tight connection of the first pipe body and the second pipe body is realized through the arrangement of the pipe body raised line internal thread section.
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Description

Technical Field

[0001] The utility model relates to the technical field of drainage pipes, in particular to a steel-plastic composite winding drainage pipe which is easy to connect. Background Art

[0002] Steel-plastic composite winding drainage pipe, the product is based on seamless steel pipe and welded steel pipe, the inner wall is coated with high adhesion, anti-corrosion, food-grade hygienic polyethylene powder coating or epoxy resin coating, and the water supply galvanized inner plastic-coated composite steel pipe is made by pre-treatment, preheating, internal coating, leveling and post-treatment process. It is an upgraded product of traditional galvanized pipe. Steel-plastic composite winding drainage pipe is generally connected by thread, groove and flange;

[0003] In the existing steel-plastic composite wrapped drainage pipe connection technology, the connection is often inconvenient due to the large size of the drainage pipe. In addition, during long-term use, due to the aging of the sealing ring and the loosening of the pipe joint due to the screw connection, in this case, coupled with the influence of the excessive drainage water speed of the drainage pipe, it is very easy for the drainage pipe to leak at the joint due to the impact of water flow. Therefore, it is necessary to design a steel-plastic composite wrapped drainage pipe that is easy to connect to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a steel-plastic composite winding drainage pipe which is easy to connect.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a steel-plastic composite wrapped drainage pipe that is easy to connect, comprising a first tube body, a second tube body is provided at the side end of the first tube body, a flange is fixedly connected to the side end of the second tube body, a fixing sleeve is sleeved on the first tube body, and the side surface of the flange is abutted against the fixing sleeve.

[0006] Preferably, a tube body convex strip is provided in the middle of the outer side wall of the first tube body, a sleeve stop for abutting against the tube body convex strip is provided at the side end of the fixing sleeve, and a plurality of rubber sealing convex strips are equidistantly provided on the outer wall of the end of the first tube body.

[0007] Preferably, a plurality of anti-slip convex strips are equidistantly provided on the outer tube wall of the fixing sleeve, an internal thread section is provided on the inner tube wall of the fixing sleeve, a plurality of screw holes are equidistantly opened on the abutment plate of the fixing sleeve, and a large sealing gasket is provided at the abutment between the fixing sleeve and the flange.

[0008] Preferably, the outer tube wall at the end of the second tube body is provided with an external thread section for threaded connection with the internal thread section, the inner tube wall of the second tube body is provided with a sealing groove, and the side end of the first tube body is provided with a tube body sealing gasket for abutting the sealing groove.

[0009] Preferably, bolts are passed through the screw holes, and nuts are threadedly connected to the ends of the bolts.

[0010] Compared with the prior art, the beneficial effect of the utility model is as follows: in the utility model, the second tube body is inserted into the bottom end of the first tube body, and then the first layer of sealing is achieved by sealing with a sealing gasket, which facilitates the assembly of the water pipe and improves the convenience of assembly, thereby achieving the function of easy assembly, and then the fixing sleeve is rotated to tightly connect the first tube body and the second tube body, and finally, it is fastened by bolts, which facilitates the assembly of the water pipe and improves the fastening effect, thereby achieving the function of preventing falling off, and finally solves the problem of water leakage at the joint of the water pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the first tube body proposed by the utility model;

[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the second tube body proposed by the utility model;

[0015] Figure 4 This is a schematic diagram of the three-dimensional structure of the fixing sleeve proposed by the utility model;

[0016] Figure 5 This is a schematic diagram of the three-dimensional structure of the pipe body sealing gasket proposed by the utility model;

[0017] Figure 6 This is a schematic diagram of the overall sectional three-dimensional structure proposed by the utility model.

[0018] Serial numbers in the figure: 1. first tube body; 2. second tube body; 3. fixing sleeve; 4. bolt; 5. nut; 6. tube body convex strip; 7. rubber sealing convex strip; 8. external thread section; 9. flange; 10. anti-skid convex strip; 11. screw hole; 12. internal thread section; 13. tube body sealing gasket; 14. large sealing gasket; 15. sleeve stop. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Example: See Figure 1-6 The utility model discloses a steel-plastic composite winding drainage pipe which is easy to connect, comprising a first tube body 1, a second tube body 2 is provided at the side end of the first tube body 1, a flange 9 is fixedly connected to the side end of the second tube body 2, a fixing sleeve 3 is sleeved on the first tube body 1, and the side surface of the flange 9 abuts against the fixing sleeve 3. By directly inserting the first tube body 1 into the second tube body 2 and setting a sealing gasket, the first tube body 1 can be connected to the second tube body 2, thereby facilitating the assembly of the first tube body 1 and the second tube body 2.

[0021] In the utility model, a tube body convex strip 6 is provided in the middle of the outer side wall of the first tube body 1, a sleeve 15 for abutting against the tube body convex strip 6 is provided at the side end of the fixing sleeve 3, and a plurality of rubber sealing convex strips 7 are equidistantly provided on the outer wall at the end of the first tube body 1. Through the tube body convex strip 6 and the rubber sealing convex strip 7 and the setting, a tight connection between the first tube body 1 and the second tube body 2 is achieved; a plurality of anti-skid convex strips 10 are equidistantly provided on the outer tube wall of the fixing sleeve 3, an internal thread section 12 is provided on the inner tube wall of the fixing sleeve 3, and a plurality of screw holes 11 are equidistantly opened on the abutting plate of the fixing sleeve 3. A large sealing gasket 14 is provided at the abutting point between the fixing sleeve 3 and the flange 9. The anti-skid effect is achieved through the setting of the anti-skid convex strip 10, and the fixation to prevent the tube body from loosening is achieved through the setting of the internal thread section 12 and the screw hole 11.

[0022] In the utility model, an external threaded section 8 for threaded connection with the internal threaded section 12 is provided on the outer tube wall at the end of the second tube body 2, a sealing groove is provided on the inner tube wall of the second tube body 2, and a tube body sealing gasket 13 for abutting against the sealing groove is provided on the side end of the first tube body 1. By setting the external threaded section 8 and rotating the fixing sleeve 3, the effect of fastening the first tube body 1 and the second tube body 2 is achieved, and the sealing effect is achieved by setting the tube body sealing gasket 13; bolts 4 are passed through the screw holes 11, and nuts 5 are threadedly connected to the ends of the bolts 4. By setting the bolts 4 and nuts 5, fixation is achieved to prevent the tube body from loosening.

[0023] Working principle: When the utility model is used, first insert the tube body sealing gasket 13 into the sealing groove of the second tube body 2, and then insert the bottom end of the first tube body 1 into the front end of the second tube body 2 to achieve the first sealing of the tube body, and then put the large sealing gasket 14 in place, by rotating the fixing sleeve 3, the sleeve gear 15 pushes the tube body convex strip 6, the tube body convex strip 6 drives the first tube body 1, and the fixing sleeve 3 is threadedly connected to the second tube body 2 to make the connection tighter. The sealing gasket provided between the fixing sleeve 3 and the flange 9 achieves the effect of secondary sealing. When the fixing sleeve 3 is rotated to a suitable position, the bolt 4 is inserted through the screw hole 11 and the large sealing gasket 14, and passes through the flange 9. Finally, the nut 5 is tightened, and the drainage pipe connection is completed.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steel-plastic composite winding drainage pipe that is easy to connect, comprising a first pipe body (1), characterized in that: A second tube body (2) is provided at the side end of the first tube body (1), a flange (9) is fixedly connected to the side end of the second tube body (2), a fixing sleeve (3) is sleeved on the first tube body (1), and a side surface of the flange (9) abuts against the fixing sleeve (3).

2. The easy-to-connect steel-plastic composite winding drainage pipe according to claim 1 is characterized in that: A tube body convex strip (6) is provided in the middle of the outer side wall of the first tube body (1), a sleeve stop (15) for abutting against the tube body convex strip (6) is provided at the side end of the fixing sleeve (3), and a plurality of rubber sealing convex strips (7) are equidistantly provided on the outer side wall of the end of the first tube body (1).

3. The easy-to-connect steel-plastic composite winding drainage pipe according to claim 1 is characterized in that: The outer tube wall of the fixing sleeve (3) is provided with a plurality of anti-slip convex strips (10) at equal intervals, the inner tube wall of the fixing sleeve (3) is provided with an internal thread section (12), the abutment plate of the fixing sleeve (3) is provided with a plurality of screw holes (11) at equal intervals, and a large sealing gasket (14) is provided at the abutment point between the fixing sleeve (3) and the flange plate (9).

4. The easy-to-connect steel-plastic composite winding drainage pipe according to claim 1 is characterized in that: An external thread section (8) for threaded connection with the internal thread section (12) is provided on the outer tube wall at the end of the second tube body (2).

5. The easy-to-connect steel-plastic composite winding drainage pipe according to claim 4 is characterized in that: A sealing groove is provided on the inner tube wall of the second tube body (2), and a tube body sealing gasket (13) for abutting against the sealing groove is provided on the side end of the first tube body (1).

6. The easy-to-connect steel-plastic composite winding drainage pipe according to claim 3 is characterized by: Bolts (4) are inserted through the screw holes (11), and nuts (5) are threadedly connected to the ends of the bolts (4).