Terminal board

The terminal block restricts nut rotation through a bus bar engagement mechanism, addressing the issue of housing size increase and achieving a more compact design.

JP2025175455APending Publication Date: 2025-12-03YAZAKI CORP
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Patent Information

Application Number
JP2024081584
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-12-03

AI Technical Summary

Technical Problem

The conventional method of fastening conductive members with a nut and bolt results in the nut rotating with the bolt, necessitating a larger housing size due to the need to restrict nut rotation, which increases the housing thickness.

Method used

A terminal block design featuring a bus bar with a through hole and recess that holds a nut with a protrusion, engaging with the bus bar's receiving hole to restrict the nut's rotation, thereby preventing an increase in housing size.

Benefits of technology

The design effectively restricts nut rotation, reducing the load on the housing and allowing for a more compact terminal block structure by minimizing housing thickness.

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  • Figure 2025175455000001_ABST
    Figure 2025175455000001_ABST
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Abstract

To provide a terminal board for enabling suppression of enlargement of a housing.SOLUTION: A terminal board 1 includes: a busbar 3 having a through hole 31a; a nut 4 having a screw hole 4h; a housing 2 having a holding part for holding the busbar and a recess for holding the nut with the screw hole facing the through hole; and a bolt inserted into the through hole and screwed into the nut accommodated in the recess. The nut has a facing surface facing the busbar and a protrusion 42 protruding toward the busbar from the facing surface, and the busbar has an accommodating hole 33 engaging with the protrusion for restricting rotation of the nut.SELECTED DRAWING: Figure 12
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Citation Information

Patent Citations

  • Sealing structure

    JP2021089881A