Wiring Jig Leverage Mechanism for Terminal Block Cable Insertion
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Solution Overview
Problem
Conventional terminal block wiring processes are inconvenient and prone to damage due to the need for multiple tools, making them labor-intensive and inefficient.
Innovation Solution
A terminal block wiring device with a positioning elastic sheet and pull member, combined with a wiring jig featuring a handgrip and hook arm, allows for one-handed operation, eliminating the need for a screwdriver and enabling easy cable insertion and connection using a leverage principle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a screwdriver is used to press the elastic sheet for cable insertion, then the cable can be connected to the terminal block, but the terminal block may be damaged and the operation becomes inconvenient
Solution Approach 1:
The patent combines the cable insertion function and the elastic sheet pressing function into a single integrated wiring tool. The tool features a positioning elastic sheet that automatically presses the cable against the terminal block, eliminating the need for a separate screwdriver operation. This merging of functions prevents terminal block damage while maintaining ease of operation.
Solution Approach 2:
The positioning elastic sheet is designed to automatically press the cable against the terminal block without requiring external manual pressing. The elastic sheet self-activates when the cable is inserted, providing self-service functionality that eliminates the need for screwdriver operation and prevents terminal block damage.
2Productivity
If a jig and screwdriver are required for wiring operation, then the terminal block can be wired, but the assembly becomes relatively inconvenient and labor-intensive
Solution Approach 1:
The patent merges multiple wiring tools (jig and screwdriver) into a single integrated wiring tool. This consolidated tool includes all necessary components for cable insertion and securing, reducing the number of tools required from two to one while improving wiring efficiency and reducing labor intensity.
Solution Approach 2:
The wiring tool is designed with multi-functionality, serving both as a positioning device and a pressing mechanism. The single tool can perform multiple operations including cable positioning, elastic sheet activation, and cable securing, eliminating the need for separate specialized tools and improving overall productivity.
3Ease of operation
If conventional wiring means is used requiring multiple tools, then wiring can be completed, but the process is labor-intensive and time-consuming
Solution Approach 1:
The positioning elastic sheet is pre-installed on the terminal block in advance, ready to activate immediately when the cable is inserted. This preliminary preparation eliminates the need for subsequent manual pressing operations, simplifying the wiring process and reducing the time required for cable connection.
Solution Approach 2:
The elastic sheet automatically activates and presses the cable against the terminal block without requiring additional manual intervention. This self-service mechanism eliminates time-consuming manual operations while maintaining ease of operation, allowing the wiring process to be completed quickly and simply.
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
Facilitates faster, more convenient, and labor-saving wiring operations, increasing efficiency while preventing damage to the terminal block and allowing the jig to be used without interfering with normal operations.
Implementation Method 1
the positioning elastic sheet is formed with a fasten end connected to the insulation seat and a free end extended above the electric conductive terminal
Implementation Method 2
when an external force is applied to the handgrip and the first positioning protrusion is served as a pivot, the hook arm is able to drive the pull member to press the positioning elastic sheet
Data Source
AI summary
A terminal block wiring device includes a terminal block and a wiring jig (20, 20a). The wiring jig includes a handgrip (21, 21a) and a hook arm (22, 22a), the handgrip (21, 21a) is formed with a first positioning protrusion (211, 211a), the hook arm (22, 22a) is formed with a second positioning protrusion (221, 221a), the wiring jig (20, 20a) is able to be positioned on a terminal block (10, 10a) through the first positioning protrusion (211, 211a) and the second positioning protrusion (221, 221a); when an external force is applied and the first positioning protrusion (211, 211a) is served as a pivot, a cable (2) is enabled to be rapidly inserted and electrically connected to an electric conductive terminal (12), so effects of fast, convenience and labor saving of the wiring operation can be achieved, and the wiring efficiency can also be increased.