Terminal Block Holder Assembly That Prevents Screw Loss
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Solution Overview
Problem
Conventional terminal blocks face issues with securing members like screws or bolts being lost or not meeting standards, leading to potential risks such as fires due to improper securing of plate terminals.
Innovation Solution
A terminal block design featuring a holder assembly with a retainer ring integrally formed with the holder terminal to prevent detachment of securing members, combined with an elastic member for support and a nut member for secure fastening, reducing the risk of loss and ensuring standard compliance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional securing members (screws or bolts) are used to secure plate terminals, then the assembly process is simple, but the securing members can be lost or detached, leading to safety risks
Solution Approach 1:
The holder assembly integrates the securing member retention function directly into the holder terminal structure. The retainer ring is integrally formed with the holder terminal, creating a unified structure that prevents securing member detachment while maintaining ease of operation. This merging eliminates the need for separate retention mechanisms.
Solution Approach 2:
The retainer ring acts as an intermediary element between the holder terminal and the securing member. It provides a mechanical interface that captures and retains the securing member, preventing its detachment while allowing for easy installation and removal when needed.
2Ease of operation
If hand tools are used by workers to secure plate terminals, then flexibility in operation is maintained, but the risk of losing securing members increases
Solution Approach 1:
The holder assembly design makes the securing member retention self-service through its integrated retainer ring structure. The retainer ring automatically captures and holds the securing member in place during assembly operations, eliminating the need for additional retention steps or tools while preventing loss.
3Productivity
If non-standard securing members are used due to loss of original securing members, then assembly can continue, but the plate terminal may not be firmly secured, creating fire risks
Solution Approach 1:
The retainer ring provides beforehand cushioning by preventing securing member detachment before it can lead to loss or improper replacement. This proactive retention mechanism ensures that only standard, proper securing members are used, maintaining both assembly continuity and safety standards.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The design effectively prevents securing member loss, enhances assembly efficiency, and reduces costs by ensuring secure fastening of plate terminals, thereby minimizing fire risks.
Implementation Method 1
an elastic member provided in the block housing and elastically supporting the holder assembly
Data Source
AI summary
A terminal block includes a block housing, a holder assembly provided to be vertically movable in the block housing, a nut member passing through an inner side of the holder assembly and securely installed in the block housing, and an elastic member provided in the block housing and elastically supporting the holder assembly. The holder assembly includes a holder terminal and a securing member configured to secure a plate terminal. The holder terminal is integrally formed with a retainer ring that prevents the securing member from being detached from the holder terminal.