Pipe joint cover and arrangement structure of pipe joint

The pipe joint cover design addresses the issue of blocking fluid pipe linear expansion by using a movement restricting body with a pressing reaction force receiving portion, ensuring effective blocking of thermal expansion at the pipe joint.

JP2025083635APending Publication Date: 2025-06-02MIRAI KOGYO KK
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Patent Information

Application Number
JP2023197116
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-11-21
Publication Date
2025-06-02

AI Technical Summary

Technical Problem

Existing pipe joint covers fail to effectively block the linear expansion of fluid pipes due to heat, as the movement restricting bodies attached to the base rotate under large pressing forces, allowing the pipe joint to move beyond a predetermined value.

Method used

A pipe joint cover design featuring a movement restricting body with a pipe joint abutting portion and a pressing reaction force receiving portion, which supports a pressing force support portion of the cover body, maintaining its original posture and effectively blocking linear expansion.

Benefits of technology

The solution ensures that the movement restricting body maintains its original attached posture even under large pressing forces, effectively blocking the linear expansion of fluid pipes caused by heat at the pipe joint portion.

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Abstract

To enable an original arrangement attitude of a movement regulation body to be maintained even if a large pressing force is exerted on the movement regulation body attached to a pipe joint cover by movement of a pipe joint.SOLUTION: An arrangement structure of a pipe joint includes: a pipe joint cover C1 which comprises a base V1 and a lid body L1 and houses a pipe joint K1 in an arrangement structure 10 at the interior; and a movement regulation body A1 which is attached to the pipe joint cover C1 and becomes an obstacle in a movement destination of the pipe joint K1 which is moved due to linear expansion of a fluid pipe P1 in a longitudinal direction caused by heat to regulate the movement. The movement regulation body A1 comprises: a pipe joint contact surface 48 with which the pipe joint K1 is placed in contact by the movement; and a pressing reaction force receiving part which is formed at a surface opposite to the pipe joint contact surface 48 to cause a pressing force applied to the movement regulation body K1 through contact by the pipe joint A1 to act on a pressing force support part of the pipe joint cover C0 through the movement regulation body A1 to receive a pressing reaction force in a direction opposite to the movement.SELECTED DRAWING: Figure 10
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