CN-224214884-U - Drainage pipe butt joint connection structure

CN224214884UCN 224214884 UCN224214884 UCN 224214884UCN-224214884-U

Abstract

The utility model provides a butt joint connection structure of a drainage pipeline, which comprises a first pipeline, a second pipeline, a connecting flange plate, connecting bolts, sealing sections and a reinforcing structure, wherein the connecting flange plate is fixedly arranged at two ends of the first pipeline and the second pipeline, the first pipeline and the second pipeline are in butt joint through the connecting flange plate, the connecting flange plates are fixedly connected, the sealing sections are arranged in the connecting flange plates between the two groups, the reinforcing structure is fixedly arranged at the outer sides of the two groups of connecting flange plates, obvious faults do not exist on the inner wall of the sealing sections and the reinforcing structure, dirt accumulation is avoided, the sealing effect is strong, and the connecting strength is high.

Inventors

ZHONG YUAN
LI HUI
DING XIAOHUA
JIANG XUEYING
CHEN GUOBIAO
CHEN QINGXING
LI HUI
LI JUPENG
YANG SHENGXIONG
CHEN YEHUI
DENG JUNHUI
LU JIANBIAO

Assignees

广州市东建工程建设监理有限公司

Dates

Publication Date: 20260508
Application Date: 20250626

Claims (5)

1. A drainage pipeline butt joint structure is characterized by comprising a first pipeline (1), a second pipeline (2), a connecting flange plate (3), connecting bolts (4), sealing sections (5) and a reinforcing structure (6), wherein the connecting flange plate (3) is fixedly arranged at two ends of the first pipeline (1) and the second pipeline (2), the first pipeline (1) and the second pipeline (2) are in butt joint through the connecting flange plate (3), the connecting flange plates (3) are fixedly connected, the sealing sections (5) are arranged inside the connecting flange plates (3) between two groups, and the reinforcing structure (6) is fixedly arranged outside the two groups of the connecting flange plates (3).
2. A drainage pipeline butt joint structure as claimed in claim 1, wherein the sealing section (5) comprises a supporting section pipe (51), a joint section pipe (52), a sealing gasket (53) and bolt through holes (54), the joint section pipe (52) is fixedly arranged at two ends of the supporting section pipe (51), the sealing gasket (53) is fixedly arranged at the outer side of the supporting section pipe (51) and is positioned between two groups of connecting flanges (3), and the bolt through holes (54) are formed in the sealing gasket (53).
3. A drainage pipe butt joint structure according to claim 1, wherein the reinforcing structure (6) comprises a supporting outer frame (61), a bolt fixing sleeve (62), a sleeve fixing bolt (63), an extension bracket (64) and a clamping bolt (65), wherein the bolt fixing sleeve (62) is rotatably arranged inside the supporting outer frame (61), the sleeve fixing bolt (63) is meshed with the outer side of the supporting outer frame (61) through a bolt and is internally tapped against the bolt fixing sleeve (62), the bolt fixing sleeve (62) is slidably arranged outside a connecting bolt (4), the extension bracket (64) is fixedly arranged outside the supporting outer frame (61), and the clamping bolt (65) is arranged inside the extension bracket (64).
4. A butt joint structure of drainage pipelines is characterized in that a supporting section pipe (51) in a sealing section (5) is a stainless steel metal frame with the length of 10 cm, two groups of stainless steel metal structures with the length of 40 cm are adopted as joint section pipes (52), the outer walls of the joint section pipes (52) are directly attached to the inner walls of a first pipeline (1) and a second pipeline (2), the inner parts of the joint section pipes (52) are a group of inclined planes which are thinner from the middle to the outer, and a group of rubber gaskets (53) are matched with a connecting flange plate (3).
5. A drainage pipeline butt joint connection structure is characterized in that two groups of reinforcing structures (6) are adopted, two groups of stainless steel metal round frames are adopted for supporting outer frames (61), a bolt fixing sleeve (62) can rotate and is fixed through a sleeve fixing bolt (63), a groove matched with a connecting bolt (4) is formed in the middle of the bolt fixing sleeve (62) and is accurately sleeved on the outer side of the connecting bolt (4), the bolt fixing sleeve (62) can be matched with the connecting bolt (4) through rotation of the bolt fixing sleeve, the two groups of supporting outer frames (61) can enable an extending support (64) to press inwards through a clamping bolt (65), and the supporting outer frames (61) clamp two groups of connecting flange plates (3) inwards.

Description

Drainage pipe butt joint connection structure Technical Field The utility model relates to the technical field of drainage pipelines, in particular to a butt joint connection structure of a drainage pipeline. Background The drainage pipeline butt joint connection structure is a special component system for connecting two sections of drainage pipelines, and mainly comprises three parts of a connecting flange, a sealing device and a fastening mechanism. The structure realizes the end face butt joint of the pipeline through the flange plate, ensures the sealing performance of the interface by adopting a multi-stage sealing design, and is provided with the reinforcing member to improve the bending resistance and the vibration resistance of the connecting part. The connecting structure can bear the internal fluid pressure of the pipeline, is suitable for certain axial displacement and angle deviation of the pipeline, effectively prevents the problems of loosening and leakage of the interface caused by temperature change or external load, and is a key link for ensuring long-term stable operation of a drainage pipe network system. However, the existing butt joint connection structure of the drainage pipeline still has the problems that obvious faults exist on the inner wall, dirt is easy to accumulate, the sealing effect is poor and the connection strength is low. Therefore, the invention of the butt joint connection structure of the drainage pipeline is very necessary. Disclosure of utility model In order to solve the technical problems, the utility model provides a drainage pipeline butt joint connection structure, which aims to solve the problems that the existing drainage pipeline butt joint connection structure still has obvious faults on the inner wall, dirt accumulation is easy to cause, the sealing effect is poor and the connection strength is low. The butt joint structure of the drainage pipeline comprises a first pipeline, a second pipeline, connecting flanges, connecting bolts, sealing sections and a reinforcing structure, wherein the connecting flanges are fixedly arranged at two ends of the first pipeline and the second pipeline, the first pipeline and the second pipeline are in butt joint through the connecting flanges, the connecting flanges are fixedly connected, the sealing sections are arranged in the connecting flanges between two groups, and the reinforcing structure is fixedly arranged on the outer sides of the two groups of connecting flanges. The sealing section comprises a supporting section pipe, a connecting section pipe, a sealing gasket and bolt through holes, wherein the connecting section pipe is fixedly arranged at two ends of the supporting section pipe, the sealing gasket is fixedly arranged at the outer side of the supporting section pipe and is positioned between two groups of connecting flange plates, and the bolt through holes are formed in the sealing gasket. The reinforcing structure comprises a supporting outer frame, a bolt fixing sleeve, a sleeve fixing bolt, an extension bracket and a clamping bolt, wherein the bolt fixing sleeve is rotatably arranged in the supporting outer frame, the sleeve fixing bolt is meshed with the outer side of the supporting outer frame through the bolt and is internally tapped against the bolt fixing sleeve, the bolt fixing sleeve is slidably arranged on the outer side of the connecting bolt, the extension bracket is fixedly arranged on the outer side of the supporting outer frame, and the clamping bolt is arranged in the extension bracket. The support section pipe inside the sealing section adopts a section of stainless steel metal frame with the length of 10 centimeters, the connecting section pipe adopts two groups of stainless steel metal structures with the length of 40 centimeters, the outer wall of the connecting section pipe is directly attached to the inner walls of the first pipeline and the second pipeline, the inside of the connecting section pipe is provided with a group of inclined planes which are thinner from the middle to the outside, and the sealing gasket adopts a group of rubber pads with the shape matched with the connecting flange. The reinforcing structure adopts two groups, the supporting outer frames adopt two groups of stainless steel metal round frames, the bolt fixing sleeves can rotate and are fixed through sleeve fixing bolts, grooves matched with the connecting bolts are formed in the middle of the bolt fixing sleeves and are accurately sleeved on the outer sides of the connecting bolts, the bolt fixing sleeves can be matched with the connecting bolts through rotation of the bolt fixing sleeves, and the two groups of supporting outer frames can enable the extending supports to press inwards through the clamping bolts so that the supporting outer frames clamp the two groups of connecting flange plates inwards. Compared with the prior art, the utility model has the following beneficial effects: 1. The sealing sectio