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A reinforced connection structure between metal inserts and plastic parts

A metal insert and connection structure technology, applied in the direction of non-removable pipe connection, passing element, pipe/pipe joint/pipe fitting, etc., can solve the problem of metal insert and plastic parts being separated, affecting the sealing effect and safety of use, etc. problem, to prevent disengagement and increase the effect of the joint surface

Inactive Publication Date: 2011-12-07
上海龙胜实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During installation and use, there will be circumferential and axial forces between the metal insert and the plastic part, which will cause the metal insert to separate from the plastic part, affecting the sealing effect and safety of use

Method used

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  • A reinforced connection structure between metal inserts and plastic parts
  • A reinforced connection structure between metal inserts and plastic parts
  • A reinforced connection structure between metal inserts and plastic parts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the reinforced connection structure between the metal insert and the plastic part of the present invention is composed of a plastic part 2 and a metal insert 1. The inner section of the metal insert 1 is cylindrical and embedded in the plastic In the part 2, wherein, at least one number of protrusions, or pits 5, or through holes 3, or thorns 4 are arranged on the inner circumferential surface of the metal insert 1 along the circumferential direction, any one of the The protrusions, or pits 5 , or through holes 3 , or thorns 4 are all surrounded or filled by the plastic part 2 .

[0019] Further, at least one number of protrusions are provided on the inner circumference of the metal insert 1 , and the back side of any one of the protrusions is in the shape of a pit.

[0020] Alternatively, at least one number of through holes 3 are provided on the inner circumferen...

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PUM

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Abstract

A reinforced connection structure between a metal insert and a plastic part. It is composed of a plastic part and a metal insert. The inner section of the metal insert is cylindrical and embedded in the plastic part. At least one number of protrusions, or pits, or through holes, or thorns are provided in the circumferential direction, and any one of the protrusions, or pits, or through holes, or thorns is surrounded or filled by plastic parts. When the plastic part is injection molded, the plastic can pass through the hole or be filled into the pit, thereby increasing the joint surface between the metal insert and the plastic part, and the plastic part is located in the direction of the metal insert, effectively preventing the metal The insert is disengaged from the plastic part.

Description

Technical field: [0001] The invention relates to pipeline transportation technology, in particular to pipeline connectors, in particular to a reinforced connection structure between metal inserts and plastic parts. Background technique: [0002] In the prior art, pipeline connectors composed of metal inserts and plastic components are widely used in pipeline installation projects. During installation and use, there will be circumferential and axial forces between the metal insert and the plastic part, which will cause the metal insert to separate from the plastic part, affecting the sealing effect and safety of use. Invention content: [0003] The purpose of the present invention is to provide a reinforced connection structure between metal inserts and plastic parts. The reinforced connection structure between metal inserts and plastic parts needs to solve the problem of metal inserts and plastic parts in pipeline connectors in the prior art. Technical problems that disen...

Claims

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Application Information

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IPC IPC(8): F16L13/007
Inventor 邱锦昱张尧弟
Owner 上海龙胜实业有限公司
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