CN220647094U

CN220647094U - Movable joint for medium-high pressure pipeline

Info

Publication number: CN220647094U
Application number: CN202321707560.1U
Authority: CN
Inventors: 方珠康
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-03-22
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a middle-high pressure pipeline movable joint, which comprises a pipeline end piece (2), a pipe clamp (4) and a sealing ring (6), and is characterized in that; the pipeline A (1) and the pipeline B (3) are respectively provided with an integrated pipeline end piece (2), the pipeline end pieces (2) are provided with grooves, annular tubular sealing rings (6) are placed in the grooves formed in the two pipeline end pieces (2) installed in a mirror image mode, the outside is clamped with a pipe clamp (4), and two ends of the pipe clamp (4) are respectively screwed into bolts (5) to be connected. The utility model has good sealing effect after the pressure in the pipe is overlarge, can be repeatedly used, and has convenient installation and simple structure.

Description

Movable joint for medium-high pressure pipeline

Technical Field

The utility model belongs to the technical field of pipeline connection, and particularly relates to a movable joint for a medium-high pressure pipeline.

Background

The pipeline connection mainly comprises two major types, namely screw threads and flange connection, wherein the middle-high pressure pipeline with large diameter is connected by adopting the flange, the flange connection has the following defects that consistent fastening force is needed when bolts on a flange plate are fastened, the fastening force is inconsistent, the pressure is unbalanced, the sealing gasket is not sealed well when the sealing gasket is pressurized and is not coaxial, the two pipelines are easy to leak, and the Chinese patent publication No. CN2532344Y and the quick pipe joint are disclosed; the quick pipe joint includes two pipe ends, and the end of the two pipe ends is connected fixedly, and the end of the two pipe ends is provided with flange, the outer side of the flange is annular inclined plane, the inner side of the end face of the flange is provided with annular concave table, the outer circumferential wall is provided with two tapered semicircular slips, the inner circumferential wall is provided with two grooves with inclined planes, the two inclined planes of the slips grooves are matched with the outer side faces of the two pipe end flanges, the outer conical surface of the two semicircular slips is matched with the conical hole of the lock sleeve, the large end face of the conical hole of the lock sleeve is provided with a backstop locking edge, and the annular concave table on the inner side of the end face of the flange of the two pipe ends forms an annular groove with a matching gap, and is internally provided with an annular sealing gasket. The locking sleeve has the advantages that the anti-back locking edge is arranged on the end face of the large end of the conical hole of the locking sleeve, the locking can be achieved only by using a special tool, the structure is complex, the installation is inconvenient, the sealing ring is sealed by flange compression, the sealing is poor after the pressure in the pipe is overlarge, leakage is generated, and the locking edge cannot be reused.

Disclosure of Invention

The utility model aims to overcome the defects and provide the movable joint for the middle-high pressure pipeline, which has good sealing effect after the pressure in the pipe is overlarge, can be repeatedly used, is convenient to install and has a simple structure.

The aim and the main technical problems are achieved by adopting the following technical scheme:

the utility model relates to a movable joint of a medium-high pressure pipeline, which comprises a pipeline end piece, a pipe clamp and a sealing ring, and is characterized in that the movable joint comprises a pipe clamp and a sealing ring, wherein the pipe clamp is arranged on the pipe clamp; the pipeline A and the pipeline B are respectively provided with an integrated pipeline end piece, the pipeline end pieces are provided with grooves, annular tubular sealing rings are placed in the grooves formed in the two pipeline end pieces installed in a mirror image mode, a pipe clamp is clamped outside, and two ends of the pipe clamp are respectively screwed in the bolts for connection.

A circular step is arranged in the pipeline end piece.

The annular tubular sealing ring is provided with a plurality of holes, and the holes are communicated with the inside of the annular tubular sealing ring.

The sealing ring is provided with a plurality of holes communicated with the inside of the pipeline end piece.

Compared with the prior art, the utility model has obvious beneficial effects; the technical scheme is as follows: through be provided with the pipeline end piece as an organic whole on pipeline A, pipeline B respectively, be provided with the recess on the pipeline end piece, put into annular tubular sealing ring in the recess that sets up on two pipeline end pieces of mirror image installation, outside card goes up the pipe clamp, and the bolted connection is twisted respectively at the pipe clamp both ends. Make pipeline A, pipeline B concentric coaxial, the sealing ring atress is even, adopt several ordinary bolts to connect, and bolt, pipe clamp all repeatedly usable, but realized repeatedly usable, simple to operate, simple structure is provided with a plurality of hole on the annular tubular sealing ring, a plurality of hole and the inside intercommunication of annular tubular sealing ring, be provided with a plurality of hole and the inside intercommunication of pipeline end piece on the sealing ring, medium pressure increase in the pipeline end piece, be provided with a plurality of hole and get into in the sealing ring from the sealing ring after setting up circular step in the pipeline end piece in the medium, the sealing ring adopts ductile plastics to make, it is corrosion-resistant, the sealing ring is expanded after the pressure is increased, the larger the sealing ring is pressed, the larger the expanding force, it is better to seal. The sealing effect is good after the pressure in the pipe is overlarge. In summary; the utility model has good sealing effect after the pressure in the pipe is overlarge, can be repeatedly used, and has convenient installation and simple structure.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a cross-sectional view of FIGS. 2 A-A;

FIG. 4 is an enlarged view of FIG. 3 a;

FIG. 5 is a schematic view of the construction of the pipe A, pipe end of the present utility model;

FIG. 6 is a top view of a pipe A, pipe end piece of the present utility model;

FIG. 7 is a cross-sectional view of FIG. 6B-B;

FIG. 8 is an enlarged view of FIG. 7 b;

FIG. 9 is a schematic view of the pipe clamp of the present utility model;

FIG. 10 is a top view of the seal ring of the present utility model;

fig. 11 is a cross-sectional view of fig. 10C-C.

Marking in the figures

1. Pipeline A,2, pipeline end piece, 3, pipeline B,4, pipe clamp, 5, bolt, 6, sealing ring.

Detailed Description

The following detailed description of specific embodiments, structures, features and their functions according to the present utility model is provided with reference to the accompanying drawings and preferred embodiments.

The utility model relates to a high-medium pressure pipeline movable joint, which comprises a pipeline end piece 2, a pipe clamp 4 and a sealing ring 6, and is characterized in that; the pipeline A1 and the pipeline B3 are respectively provided with an integrated pipeline end piece 2, the pipeline end pieces 2 are provided with grooves, annular tubular sealing rings 6 are placed in the grooves formed in the two pipeline end pieces 2 which are installed in a mirror image mode, the outside is clamped with a pipe clamp 4, and two ends of the pipe clamp 4 are respectively screwed into bolts 5 for connection.

A circular step is arranged in the pipe end piece 2.

The annular tubular sealing ring 6 is provided with a plurality of holes, and the holes are communicated with the inside of the annular tubular sealing ring 6.

The sealing ring 6 is provided with a plurality of holes communicated with the inside of the pipeline end piece 2.

When the pipe clamp is used, the pipe end pieces 2 are welded on the pipe A1 and the pipe B3 respectively, the annular tubular sealing rings 6 provided with a plurality of holes are put into the grooves arranged on the two pipe end pieces 2 installed in a mirror image mode, two pipe clamps 4 are clamped outside the pipe clamps respectively, and two ends of the two pipe clamps 4 are screwed into bolts 5 respectively.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any simple modification, equivalent variation and variation of the above embodiment according to the technical matter of the present utility model still fall within the scope of the technical scheme of the present utility model.

Claims

1. The movable joint for the medium-high pressure pipeline comprises a pipeline end piece (2), a pipe clamp (4) and a sealing ring (6) and is characterized in that; the pipeline A (1) and the pipeline B (3) are respectively provided with an integrated pipeline end piece (2), the pipeline end pieces (2) are provided with grooves, annular tubular sealing rings (6) are placed in the grooves formed in the two pipeline end pieces (2) installed in a mirror image mode, the outside is clamped with a pipe clamp (4), and two ends of the pipe clamp (4) are respectively screwed into bolts (5) to be connected.

2. The medium-high pressure pipe union of claim 1, wherein; a circular step is arranged in the pipeline end piece (2).

3. The medium-high pressure pipe union of claim 1, wherein; the annular tubular sealing ring (6) is provided with a plurality of holes, and the holes are communicated with the inside of the annular tubular sealing ring (6).

4. A medium-high pressure pipe union according to claim 2 or 3, characterized in that; the sealing ring (6) is provided with a plurality of holes communicated with the inside of the pipeline end piece (2).