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A pipeline connection structure

A connection structure and pipe body connection technology, applied in mechanical equipment, couplings and other directions, can solve the problems of difficult alignment of the pipe parts, unstable connection of the buckle parts, and inconvenient operation of the buckle, so as to achieve simple structure manufacturing, Easy assembly and good airtightness

Active Publication Date: 2017-08-11
ZHAOQING RIDE VALVE CO LTD
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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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  • A pipeline connection structure
  • A pipeline connection structure
  • A pipeline connection structure

Examples

Experimental program
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Effect test

Embodiment 1

[0020] Embodiment one, such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 A pipe connection structure shown includes a pipe body connection part 1 and a pipe body fastening part 2, the pipe body connection part 1 is used to connect rigid or flexible pipes, and the pipe body fastening part 2 is used to connect the other pipe Joint, the pipe body buckle part 2 is radially larger than the pipe body connection part 1, the pipe body buckle part 2 includes an inclined pipe end joint surface 21, and the edge of the pipe end joint surface 21 is bent and connected to the pipe body buckle part 2 Moreover, the first limiting surface 22 and the second limiting surface 23 parallel to the axis of the tube body connecting portion 1 are fixedly connected to the tube body connecting portion 1 and the tube body fastening portion 2 as a whole. The cross-section of the buckle part 2 of the pipe body is trapezoidal, and a second limiting surface 23 is connected to the upper base...

Embodiment 2

[0025] In the second embodiment, a sealing part 3 is provided in the fastening part 2 of the pipe body, and the sealing part 3 includes an annular depression 31 and a sealing member cooperating with the depression 31. The sealing member includes a sealing body 32 arranged in the depression 31 and a flexible 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 pipe body fastening part 2, and the sealing part 3 includes an annular depression 31 and a sealing member cooperating with the recess 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 3...

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Abstract

The invention relates to a pipeline connecting structure, and belongs to the technical field of pipeline connecting. The pipeline connecting structure comprises a pipe body connecting part and a pipe body buckling part, wherein the pipe body connecting part is used for connecting two pipelines, and the pipe body buckling part is used for sealing and connecting the pipe body connecting part; the matched surfaces of the pipe body buckling part comprise an inclined pipe end combining surface, a first limiting surface and a second limiting surface, and the first limiting surface and the second limiting surface are turned and connected at the edge of the pipe end combining surface, are parallel with the axis of the pipe body connecting part, and are arranged at the two opposite sides of the pipe end combining surface; a convex part is arranged at the first limiting surface, a concave part is arranged at a second limiting surface, a connecting line of matching tracks of the convex part and the concave part is parallel with the pipe end combining surface, and the matching tracks are vertical to the axis of a pipe body part. By adopting the technical scheme, the pipeline connecting structure has the advantages that the assembly is convenient, the fixing structure is firm, and the sealing property is good.

Description

technical field [0001] The invention belongs to the technical field of pipeline connection, in particular to a pipeline connection structure. 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 pipeline connection s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L37/12
CPCF16L37/12
Inventor 李卫国
Owner ZHAOQING RIDE VALVE CO LTD
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