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Pipeline joint

A technology of pipe joints and pipe heads, which is applied in the directions of pipes/pipe joints/pipe fittings, hose connection devices, flange connections, etc., can solve the problem that the pipe part is not easy to align, the connection of the buckle part is unstable, and the operation of the buckle is inconvenient. and other problems, to achieve the effect of simple structure manufacturing, convenient assembly and good airtightness

Active Publication Date: 2015-07-22
南通大圣劳护用品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because it is snapped after rotation, the operation of the entire buckle is inconvenient, and the small area of ​​the buckle makes the connection of the entire buckle part unstable. After long-term use, it will cause side deformation and slipping.
The pipe part and the pipe body fastening part of the existing pipe joint are in an active connection state, so that the airtightness of the pipe parts is very poor when they cooperate with each other, and it is not easy to align when the pipe parts are mated

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment one, such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 A pipe joint is shown, which is used to connect rigid or flexible pipes in one direction, and connects the same another pipe joint in the other direction, including a pipe body connecting part 1 and a pipe head fastening part 2, the pipe body The connecting part 1 is used to connect rigid or flexible pipes, the pipe head fastening part 2 is used to connect the other pipe joint, the pipe head fastening part 2 is radially larger than the pipe body connecting part 1, and the pipe head fastening part 2 includes an inclined The pipe end joint surface 21, the edge of the pipe end joint surface 21 is turned and connected with the first limit surface 22 and the second limit surface 23 included in the pipe head fastening part 2 and parallel to the axis of the pipe body connection part 1, and the pipe body The connecting part 1 and the buckling part 2 of the pipe head are fixedly connected as a ...

Embodiment 2

[0028] In the second embodiment, a sealing part 3 is provided in the fastening part 2 of the pipe head, and the sealing part 3 includes an annular depression 31 and a seal that is installed in cooperation with the depression 31. The seal includes a seal body 32 disposed in the depression 31 and a flexible end The reversible tubular sealing auxiliary body 33 connected to the sealing body 32 , the free end of the sealing auxiliary body 33 can be turned over between the first limiting surface 22 side and the second limiting surface 23 side of the pipe end joint surface 21 . A sealing part 3 is provided in the buckle part 2 of the pipe head. The sealing part 3 includes an annular depression 31 and a sealing member fitted with the depression 31. The sealing member includes a sealing member body 32 arranged in the recess 31 and one end flexibly connected to the sealing member The reversible tubular sealing auxiliary body 33 of the body 32 , the free end of the sealing auxiliary body ...

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Abstract

The invention relates to a pipeline joint, and belongs to the technical field of pipeline connection. The pipeline joint comprises a pipe body connecting portion and a pipe head buckling portion. The pipe body connecting portion is used for being connected with a rigid or flexible pipeline, and the pipe head buckling portion is used for being connected with another pipeline joint. The pipe head buckling portion is larger than the pipe body connecting portion in the radial direction, and comprises an inclined pipe end combination face, the edge of the pipe end combination face is in transition connection with a first limiting face and a second limiting face, the first limiting face and the second limiting face are located in the pipe head buckling portion and parallel to the axis of the pipe body connecting portion, and the first limiting face and the second limiting face are arranged on the two opposite sides of the pipe end combination face. Protrusions are arranged on the first limiting face, concave portions are arranged on the second limiting face, the protrusions and the concave portions have regular appearances, and the central lines of the protrusions and the central lines of the concave portions are perpendicular to the axis of the pipe body connecting portion. According to the scheme, the pipeline joint is convenient to assemble, firm in fixing structure and good in leakproofness.

Description

technical field [0001] The invention belongs to the technical field of pipeline connection, in particular to a pipeline joint. Background technique [0002] At present, the pipe joints are engaged and rotated for clamping. This existing structure is only for clamping on the outer surface, and the contact area of ​​the clamping is relatively small. Because it is clamped after rotation, the operation of the entire buckle is inconvenient, and the small area of ​​the buckle makes the connection of the entire buckle part unstable. After long-term use, it will cause side deformation and slipping. The pipe part and the pipe body fastening part of the existing pipe joint are in a state of flexible connection, so that the airtightness of the pipe parts is very poor when they are mated with each other, and it is not easy to align when the pipe parts are mated. Contents of the invention [0003] The object of the present invention is to provide a pipe joint that is easy to assemble,...

Claims

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Application Information

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IPC IPC(8): F16L23/032F16L23/18F16L33/28F16L33/18
CPCF16L23/032F16L23/18F16L25/14F16L33/18F16L33/28
Inventor 李卫国
Owner 南通大圣劳护用品有限公司
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