Electronics Housing Screw Connection Thread Forming
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Solution Overview
Problem
Existing electronics housings face challenges in cost-effective production and assembly due to complex manufacturing processes and high material requirements, with a need for efficient and reliable connections between housing parts.
Innovation Solution
The use of a screw connection system where at least one screw with a threaded section is designed to form threads in both the upper and lower housing parts, allowing for flexible insertion directions and eliminating the need for additional components like nuts, while using identical parts to reduce costs and simplify assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate connecting means are used to brace housing parts against one another, then the connection between housing parts is achieved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent integrates the connecting means directly into the housing parts by forming threaded sections as integral parts of the upper and lower housing parts during molding. This eliminates the need for separate connecting components, reducing device complexity while maintaining reliable screw-based connections between housing parts.
Solution Approach 2:
The housing parts are designed with multi-functionality by incorporating both structural housing functions and connection functions into single components. The upper and lower housing parts serve as both protective enclosures and as mounting structures with integrated threaded sections, reducing the total number of components needed.
2Strength
If complex manufacturing processes are used to achieve reliable housing connections, then the connection strength is improved, but the production cost increases
Solution Approach 1:
The threaded sections are pre-formed as integral parts of the housing components during the molding process. This preliminary action of creating threaded features directly in the housing parts eliminates the need for subsequent complex manufacturing steps like separate threading operations or assembly of threaded inserts, thereby simplifying manufacturing while ensuring strong connections.
Solution Approach 2:
The patent utilizes material parameter changes by selecting appropriate plastics with suitable mechanical properties that can be directly molded into threaded sections. By changing the material parameters (selecting engineering plastics with adequate strength and thread-forming capability), the housing parts can achieve both structural integrity and functional threading without complex manufacturing processes.
3Reliability
If additional components like nuts are used for housing connection, then the connection reliability is improved, but the quantity of parts and production cost increase
Solution Approach 1:
The patent merges the function of separate connecting components (screws and nuts) into the housing parts themselves. The upper and lower housing parts are molded with complementary threaded sections that directly engage with each other, eliminating the need for additional nuts or other fastening components while maintaining reliable connections.
Solution Approach 2:
The patent extracts and eliminates unnecessary intermediate components from the connection system. By directly integrating the threading functionality into the housing parts, the design removes the need for separate nuts, washers, or other auxiliary fastening elements, reducing the total component count while preserving connection reliability.
Data Source
AI summary
An electronics housing for housing electronic components includes: a lower housing part and an upper housing part connected to one another by connecting means in order to form a housing body, the connecting means having at least one screw which has a threaded section for thread formation. When the housing body is in a connected state, the threaded section of the screw is screwed through a connecting region of the upper housing part to form thread, and screwed into a connecting region of the lower housing part to form thread at least in sections, or vice versa. The connecting regions for the connection by the screw each have a screw section, between which a thread clearance is formed in a state of use.