Grounding Rail Terminal Socket Structure to Prevent Tool Slippage
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Solution Overview
Problem
Conventional rail terminal structures suffer from structural weakness, particularly at the insertion socket, leading to tool slippage and deformation, and are inefficient for mass production due to high 3D printing costs.
Innovation Solution
A rail holding structure with a case body featuring staggered connection sides forming a socket with guide sections to enhance structural strength and prevent tool slippage, utilizing plastic injection molding for efficient manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the insertion socket is designed with a single-sided opening for demolding convenience, then the ease of manufacture is improved, but the structural strength deteriorates and tool slippage occurs
Solution Approach 1:
The socket is designed with an asymmetric structure where one side has an opening for demolding while the other side is closed, creating a staggered configuration with the foot section. This asymmetric design allows the socket to maintain structural strength on the closed side while enabling easy demolding on the open side, resolving the contradiction between manufacturing ease and structural strength.
2Device complexity
If the foot section is simply connected with the lower section for easy manufacturing, then the device complexity is reduced, but the reliability deteriorates due to tool slippage and deformation
Solution Approach 1:
The connection between the foot section and lower section is enhanced by adding a staggered spatial arrangement with connection sides at different positions. Instead of a simple planar connection, the design extends the connection into multiple dimensions by positioning connection sides on opposite sides of the foot section, creating a more stable three-dimensional structure that prevents tool slippage while maintaining manufacturing simplicity.
3Strength
If 3D printing processing is used to enhance socket strength, then the structural strength is improved, but the productivity decreases and manufacturing cost increases
Solution Approach 1:
Instead of changing the manufacturing method to 3D printing, the design changes the geometric parameters of the socket structure itself. By optimizing the shape, thickness, and staggered configuration of the socket walls, the design achieves high structural strength through conventional injection molding, maintaining mass production efficiency and low cost while eliminating the need for expensive 3D printing processes.
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
Enhances structural integrity and prevents tool slippage while allowing for cost-effective mass production through improved plastic injection molding.
Implementation Method 1
An elastic first section 41 and an elastic second section 42 respectively extend from two lateral sides of the grounding member 4. An elastic holding system is formed between the first and second sections 41, 42 for holding a preset grounding rail
Implementation Method 2
The first and second guide sections respectively serve to guide the tool to successfully slide from the outside environment into the socket
Data Source
AI summary
A rail holding structure of rail terminal includes a case body and a grounding member received in the case body. Two lateral sides of the grounding member are connected in the case body for holding a preset grounding rail. The case body is formed with two lower sections respectively corresponding to two sides of the grounding member. A foot section extends from at least one of the two lower sections. A first connection side and a second connection side are disposed on two lateral sides of the foot section. The first and second connection sides are connected with an outer sidewall of the lower section to form a socket with an open top side. A tool can be extended into the socket to pull and extend the foot section. Via the lower section, the grounding member is driven to detach from the grounding rail or hold the grounding rail.