Illumination Lamp Frame Snap-Fit Engagement for Ceiling Panel Retention
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Solution Overview
Problem
Existing illumination lamps risk the function part slipping out of the frame-like body (bezel) when subjected to unexpected forces, leading to potential detachment from the ceiling panel and design part falling.
Innovation Solution
The illumination lamp features a frame-like body with a first engagement part and a second engagement part, including snap-fit mechanisms and contact portions that securely engage with the plate-like member, ensuring the lamp remains fixed even if the function part slips out, utilizing a combination of contact surfaces and elastic snap-fits to maintain attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the function part is fixed to the frame-like body using a simple connection method, then the device complexity is reduced and ease of manufacture is improved, but the reliability deteriorates because the function part can slip out when subjected to unexpected forces
Solution Approach 1:
The connection structure is divided into multiple independent engagement parts (first engagement part and second engagement part) distributed at different locations on the frame-like body. Each engagement part independently secures the plate-like member, so that if one engagement fails, others continue to provide retention, thus improving reliability without significantly increasing overall complexity
Solution Approach 2:
The engagement parts are pre-configured with contact portions that make contact with the plate-like member before any slipping can occur. The first contact portion contacts the first surface and the second contact portion contacts the second surface, creating preliminary mechanical interlocking that prevents the function part from slipping out under unexpected forces
2Strength
If the engagement part uses a rigid connection structure, then the strength and stability are improved, but the ease of operation deteriorates because installation and maintenance become more difficult
Solution Approach 1:
The engagement part incorporates a snap-fit mechanism with elastic deformation capability. The arm part can elastically deform during installation to allow the second contact portion to engage with the second surface of the plate-like member, and then returns to its original shape to provide strong retention. This dynamic behavior enables easy installation while maintaining strong engagement strength
Solution Approach 2:
The physical state of the engagement part changes during installation - the arm part transitions from a deformed state (during insertion) to a restored state (after engagement). This parameter change allows the engagement structure to be easily installed while providing strong, stable connection once engaged
3Device complexity
If the frame-like body uses a single engagement point, then the device complexity is reduced, but the reliability deteriorates because the entire structure can detach if that single point fails
Solution Approach 1:
The engagement structure is segmented into multiple independent engagement parts located at different positions on the frame-like body. Each engagement part independently secures the plate-like member through its own contact portions, creating redundant attachment points that prevent complete detachment even if one engagement fails
Solution Approach 2:
The design allows individual engagement parts to be independently assessed and replaced if needed, while the rest of the structure remains intact. This modular approach enables selective maintenance of failed engagement parts without requiring replacement of the entire frame-like body
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
This configuration effectively prevents the lamp from detaching from the ceiling panel, even under force, ensuring the design part remains securely fixed and preventing falls, while allowing for easy maintenance and specification changes.
Implementation Method 1
the snap-fit is configured provided with an arm part that has elasticity, and a second engagement-part second contact portion that is provided at the distal end of the arm part
Data Source
AI summary
The present application has a first engagement part that is provided at a first end and that engages with a plate-like member by holding the plate-like member from both sides at a first edge portion of a through-hole in the plate-like member; and a second engagement part that is provided at a second end and that engages with the plate-like member by holding the plate-like member from both sides at a second edge portion of the through-hole in the plate-like member.