Connecting structure for municipal pipelines

Abstract

A connecting structure for municipal pipelines comprises a first municipal pipeline to be connected and a second municipal pipeline to be connected, the first municipal pipeline and the second municipal pipeline are wrapped and connected with a middle connecting wrapping pipe at the same time, and the two ends of the middle connecting wrapping pipe are integrally connected with a first end connecting wrapping pipe and a second end connecting wrapping pipe respectively. The first end connecting wrapping pipe is connected with a first fastening flange ring wrapping a first municipal pipeline through a first fastening bolt, the second end connecting wrapping pipe is connected with a second fastening flange ring wrapping a second municipal pipeline through a second fastening bolt, and the inner side of the first fastening flange ring is matched with a first fastening ring of an opening structure. The inner side of the second fastening flange ring is matched with a second fastening ring of an opening structure. Multiple connection is achieved, sealing interference fit of the sealing rings is stable, the fastening ring internal thread clamps, the first municipal pipeline and the second municipal pipeline are all wrapped by the middle connecting wrapping pipe, the two sides are fixed through the first fastening flange ring and the second fastening flange ring respectively, and the connecting stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection, in particular to a connection structure for municipal pipelines. Background Art

[0002] Water supply and drainage generally refers to the urban water supply system and drainage system (municipal water supply and drainage and building water supply and drainage), referred to as water supply and drainage. The project that supplies water for living and production to residents and factories, mines and transportation enterprises, as well as water for fire fighting and road greening, consists of water supply sources, water intake structures, raw water pipelines, water treatment plants and water supply networks, and has the function of collecting and transporting raw water to improve water quality. Drainage engineering is to remove human sewage and various wastewater from production. The project of excess surface water consists of a drainage pipe system or a ditch wastewater treatment plant and a final treatment facility, and usually also includes pumping facilities, such as a drainage pump station; in my country, various public infrastructure construction supporting urban life falls within the scope of municipal engineering.

[0003] CN202121097731.4 discloses a pipe connection structure for municipal pipeline engineering, including a pipe body; a first connecting ring is circumferentially arranged on the outer side of one end of the pipe body, and a second connecting ring is circumferentially arranged on the outer side of the other end of the pipe body; at least two claws are rotatably connected to the first connecting ring, and the claws on the first connecting ring are circumferentially distributed with equal spacing around the axis of the first connecting ring as the center; a clamping ring is screwed on the outer side of one end of the pipe body close to the second connecting ring; the claw includes a connecting rod rotatably connected to the first connecting ring and a clamping plate vertically connected to the end of the connecting rod and used to abut against the end face of the clamping ring, and the connecting rod can be flipped in a direction away from the second connecting ring to a connection state parallel to the axis of the first connecting ring; a sealing assembly is arranged between adjacent pipe bodies. It has the problem of unstable clamping, and there is only one layer of connection relationship.

[0004] Water supply and drainage pipes are important components of municipal water supply and drainage projects. Water supply and drainage are both transported through pipes, and the pipe pressure in municipal water supply and drainage pipes is relatively large. Therefore, there are high requirements for pipes and pipe connections. At present, most urban municipal water supply and drainage pipes are connected by rigid connections. When the pressure is too high, it is easy for the pipe joints to leak or even burst. Therefore, there are great safety hazards in actual use. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a connection structure for municipal pipelines, with multiple connections, a stable sealing interference fit of the sealing ring, a threaded clamp inside the fastening ring, municipal pipeline one and municipal pipeline two are both wrapped by a middle connecting pipe, and the two sides are respectively fixed by fastening flange ring one and fastening flange ring two, thereby increasing the stability of the connection.

[0006] In order to achieve the above utility model purpose, the specific scheme adopted by the utility model is:

[0007] A connection structure for municipal pipelines, comprising: a municipal pipeline 1 and a municipal pipeline 2 to be connected, and also comprising: a middle connection package tube for simultaneously wrapping the municipal pipeline 1 and the municipal pipeline 2, wherein the two ends of the middle connection package tube are respectively integrally formed with an end connection package tube 1 and an end connection package tube 2, the inner side of the end connection package tube 1 is adapted to a sealing ring 1 arranged at the end of the municipal pipeline 1, the inner side of the end connection package tube 2 is adapted to a sealing ring 2 arranged at the end of the municipal pipeline 2, the end connection package tube 1 is connected to a fastening flange ring 1 wrapped around the municipal pipeline 1 by a fastening bolt 1, the end connection package tube 2 is connected to a fastening flange ring 2 wrapped around the municipal pipeline 2 by a fastening bolt 2, the inner side of the fastening flange ring 1 is adapted to a fastening ring 1 with an open structure, and the inner side of the fastening flange ring 2 is adapted to a fastening ring 2 with an open structure.

[0008] The beneficial effects of the utility model are: multiple connections, the sealing interference fit of the sealing ring is stable, the threaded clamp inside the fastening ring, the municipal pipeline one and the municipal pipeline two are both wrapped by the middle connecting pipe, and the two sides are respectively fixed by the fastening flange ring one and the fastening flange ring two, thereby increasing the stability of the connection.

[0009] Preferably, the diameters of the end connecting tube 1 and the end connecting tube 2 are both larger than the diameter of the middle part of the middle connecting tube. In order to place the sealing ring 1 and the sealing ring 2.

[0010] Preferably, the middle connecting tube is integrally connected to the outer side of the middle part with a raised ring for protection, which increases the thickness and prevents collision with hard objects outside.

[0011] Preferably, the sealing ring 1 and the sealing ring 2 are both made of rubber, so that the connection mode with the municipal pipeline 1 and the municipal pipeline 2 is interference fit, thereby increasing the connection stability.

[0012] Preferably, the fastening ring 1 and the fastening ring 2 are made of stainless steel and have a threaded structure on the inner side.

[0013] Preferably, the fastening flange ring 2 and the edge of one side of the fastening flange ring are integrally formed with a connecting bolt connecting ear 1, and the bolt connecting ear 1 is a through structure; the end connecting tube 2 and the side of the end connecting tube 1 are integrally formed with a connecting bolt connecting ear 2, and the bolt connecting ear 2 is a non-through structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Reference table of reference numerals:

[0016] 1-fastening flange ring 2, 2-middle connecting pipe, 3-fastening flange ring 1, 4-fastening ring 2, 5-sealing ring 2, 6-sealing ring 1, 7-fastening ring 1, 8-fastening bolt 1, 9-fastening bolt 2, 10-bolt connection ear 1, 11-bolt connection ear 2. DETAILED DESCRIPTION

[0017] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0018] The present invention is further described below by specific embodiments, but the present invention is not limited to the following embodiments. Within the scope of the present invention or without departing from the content, spirit and scope of the present invention, changes, combinations or substitutions of the present invention are obvious to those skilled in the art and are included in the scope of the present invention.

[0019] A connection structure for municipal pipelines, comprising: a municipal pipeline 1 and a municipal pipeline 2 to be connected, and also comprising: a middle connection package 2 for simultaneously wrapping the municipal pipeline 1 and the municipal pipeline 2, wherein the two ends of the middle connection package 2 are respectively integrally formed with an end connection package 1 201 and an end connection package 2 202, the inner side of the end connection package 1 201 is adapted to a sealing ring 1 6 arranged at the end of the municipal pipeline 1, the inner side of the end connection package 2 202 is adapted to a sealing ring 2 5 arranged at the end of the municipal pipeline 2, the end connection package 1 201 is connected to a fastening flange ring 1 3 wrapped around the municipal pipeline 1 by a fastening bolt 1 8, the end connection package 2 202 is connected to a fastening flange ring 2 1 wrapped around the municipal pipeline 2 by a fastening bolt 2 9, the inner side of the fastening flange ring 1 3 is adapted to a fastening ring 1 7 with an open structure, and the inner side of the fastening flange ring 2 1 is adapted to a fastening ring 2 4 with an open structure.

[0020] The diameters of the end connection tube 1 201 and the end connection tube 2 202 are both larger than the diameter of the middle part of the middle connection tube 2. The outer side of the middle part of the middle connection tube 2 is integrally formed with a raised ring 203 for protection. The material of the sealing ring 1 6 and the sealing ring 2 5 are both rubber. The material of the fastening ring 1 7 and the fastening ring 2 4 is stainless steel, and the inner side is a threaded structure. The side edges of the fastening flange ring 2 1 and the fastening flange ring 1 3 are integrally formed with a bolt connection ear 10, and the bolt connection ear 10 is a through structure; the side of the end connection tube 2 202 and the end connection tube 1 201 are integrally formed with a bolt connection ear 2 11, and the bolt connection ear 2 11 is a non-through structure.

[0021] When in use: the two ends of the middle connecting pipe 2, namely the end connecting pipe 1 201 and the end connecting pipe 2 202, respectively wrap the municipal pipe 1 and the municipal pipe 2, and the diameters of the end connecting pipe 1 201 and the end connecting pipe 2 202 are both larger than the diameter of the middle of the middle connecting pipe. In order to place the sealing ring 1 6 and the sealing ring 2 5, and increase the stability of the interference fit, the fastening ring 1 7 and the fastening ring 2 4 with an open structure and an internal thread structure are respectively wrapped around the outside of the municipal pipe 1 and the municipal pipe 2, and the multiple connections are made to increase their stability.

[0022] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A connection structure for a municipal pipeline, comprising: The municipal pipeline 1 and the municipal pipeline 2 to be connected are characterized in that they also include: wrapping the municipal pipeline 1 and the municipal pipeline 2 with a middle connecting tube (2) at the same time, the two ends of the middle connecting tube (2) are respectively integrally formed with an end connecting tube 1 (201) and an end connecting tube 2 (202), the inner side of the end connecting tube 1 (201) is adapted to be fitted with a sealing ring 1 (6) at the end of the municipal pipeline 1, and the inner side of the end connecting tube 2 (202) is adapted to be fitted with a sealing ring 1 (6) at the end of the municipal pipeline 1. The sealing ring 2 (5) is provided at the two ends of the pipeline, the end connection package 1 (201) is connected to the fastening flange ring 1 (3) wrapped in the municipal pipeline 1 through the fastening bolt 1 (8), the end connection package 2 (202) is connected to the fastening flange ring 2 (1) wrapped in the municipal pipeline 2 through the fastening bolt 2 (9), the inner side of the fastening flange ring 1 (3) is adapted to the fastening ring 1 (7) with an open structure, and the inner side of the fastening flange ring 2 (1) is adapted to the fastening ring 2 (4) with an open structure.

2. A municipal pipeline connection structure according to claim 1, characterized in that: The diameters of the end connection package tube 1 (201) and the end connection package tube 2 (202) are both larger than the diameter of the middle portion of the middle connection package tube (2).

3. A municipal pipeline connection structure according to claim 1, characterized in that: The middle outer portion of the middle connecting tube (2) is integrally formed with a raised ring (203) for protection.

4. A municipal pipeline connection structure according to claim 1, characterized in that: The sealing ring 1 (6) and the sealing ring 2 (5) are both made of rubber.

5. A municipal pipeline connection structure according to claim 1, characterized in that: The material of the fastening ring 1 (7) and the fastening ring 2 (4) is stainless steel, and the inner side thereof is a threaded structure.

6. A municipal pipeline connection structure according to claim 1, characterized in that: The side edges of the fastening flange ring 2 (1) and the fastening flange ring 1 (3) are integrally formed with a connecting bolt connecting ear 1 (10), and the bolt connecting ear 1 (10) is a through structure; the side edges of the end connection tube 2 (202) and the end connection tube 1 (201) are integrally formed with a connecting bolt connecting ear 2 (11), and the bolt connecting ear 2 (11) is a non-through structure.

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