Snap-Fit Housing Lock With Internal Release Tool
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Solution Overview
Problem
Existing housing locking structures require external tool access for disassembly, compromising the surface design and making it difficult to release snap-fit connections between complementary housing parts without damage.
Innovation Solution
A housing with a flexible snap member forming a snap-fit connection between internal wall portions, utilizing an integrated release tool that can be slid into a receiving portion to lift the snap member and disengage the connection without external tool access, maintaining the housing's external design integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking structure with external tool access is used, then the housing parts can be securely connected, but the surface appearance is compromised and tool access openings are required
Solution Approach 1:
The release tool is integrated into the housing structure by nesting it within a recess in the bottom surface. The tool is stored inside the housing body and only accessible through a small opening, eliminating the need for external tool access points while maintaining the snap-fit connection reliability
Solution Approach 2:
A flexible snap member serves as an intermediary element that transfers the locking force between housing parts. The snap member can be engaged and disengaged by the integrated release tool through internal mechanical action, maintaining secure connection while allowing controlled release without external tool access
2Ease of operation
If the locking structure is made accessible from outside, then the housing can be disassembled, but the housing surface is affected and compromised
Solution Approach 1:
The release tool is extracted from the external environment and embedded within the housing structure itself. The tool is stored inside a recess in the bottom surface, removing the need for external tool access points that would compromise the housing surface appearance
Solution Approach 2:
The access for the release tool is provided from the bottom dimension rather than from the side dimension where the locking structure is visible. This dimensional change allows disassembly capability while preserving the aesthetic appearance of the housing surfaces
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
Enables easy assembly and disassembly of housing parts without external tool access, ensuring the locking structure is hidden from the outside and preventing accidental disassembly, while maintaining the housing's external design integrity.
Implementation Method 1
a flexible snap member extending from the first housing part over an inner wall portion of the second housing part
Data Source
AI summary
The present invention refers to a housing with a locking structure to connect a first housing part (12) with a second housing part (14). The locking structure comprises a flexible snap member (38) extending from the first housing part over an inner wall portion of the second housing part and is provided with a first engaging portion (44). The inner wall portion of the second housing part is provided with a second engaging portion (60). The first and second engaging portions forming a snap fit connection to be released by lifting said snap member from the inner wall portion. A release tool (70) is arranged on or above the bottom of said second housing part to be slidable towards the snap member. The snap member is further provided with a receiving portion being formed to catch the tip (76) of said release tool in a locked manner when the release tool is pushed into the receiving portion.