Detachable Warning Lamp Tool-Free Assembly Mechanism

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Solution Overview

Problem

Conventional detachable warning lamps are inconvenient due to time-consuming assembly and disassembly processes, requiring screws and a hand tool for mounting and detaching light-emitting elements.

Innovation Solution

The design incorporates engaging grooves and cushioning lugs on the base and cover, allowing light-emitting elements to be easily assembled and disassembled without screws or tools, using a restoring force provided by deformed cushioning lugs for secure engagement and quick detachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If light-emitting elements are fixed on mounting plates by screws, then the mounting is secure and reliable, but the assembly and disassembly process becomes time-consuming and requires hand tools

Engineering Contradiction:

Improvemounting reliabilityVSAvoidassembly time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The patent extracts the screw fastening mechanism from the mounting process and replaces it with a direct engagement system. The light-emitting element body directly engages with the mounting plate through complementary geometric features (protrusions and recesses), eliminating the need for screws and hand tools while maintaining secure mounting.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces the screw-threaded mechanical fastening system with a direct geometric engagement system. The protrusions on the mounting plate fit into corresponding recesses on the light-emitting element, creating a secure mechanical connection without requiring threaded fasteners or manual tool operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If light-emitting elements are screwed onto mounting plates one by one, then each element is securely fixed, but the overall assembly process becomes inefficient and time-consuming

Engineering Contradiction:

Improvefixing securityVSAvoidassembly efficiency

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The patent segments the mounting plate into multiple independent mounting regions, each with its own protrusion-recess engagement features. This allows multiple light-emitting elements to be mounted simultaneously or sequentially without interfering with each other, improving assembly efficiency while maintaining secure fixation for each element.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The mounting plate is pre-formed with protrusion features that guide and facilitate the mounting of light-emitting elements. The complementary geometric features are built into the mounting plate structure beforehand, enabling quick and easy alignment and engagement of the light-emitting elements without requiring additional fastening steps.

Inventive Principle:

Principle #10Preliminary action

3Adaptability or versatility

If screws are used to detach light-emitting elements, then the elements can be removed from mounting plates, but the detachment process becomes time-consuming and inconvenient

Engineering Contradiction:

ImprovedetachabilityVSAvoiddetachment convenience

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent removes the screw fastening mechanism from the detachment process. The light-emitting elements are designed with engagement features that allow for tool-free removal by simply pulling or sliding them off the mounting plate, making the detachment process as convenient as the mounting process.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of using screws to both attach and detach elements (requiring tool operation in both directions), the patent uses a geometric engagement system where attachment is achieved through insertion and detachment is achieved through simple removal, inverting the conventional approach and making both operations equally simple.

Inventive Principle:

Principle #13The other way round (Inversion)

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 design significantly reduces assembly and disassembly time, making the detachable warning lamp more convenient and efficient, while also providing a secure retention mechanism for the light-emitting elements.

Implementation Method 1

using a restoring force provided by deformed cushioning lugs for secure engagement and quick detachment

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentEP3477194B1Detachable warning lamp

Publication Date: 2020.03.18 MANY WAIN ENTERPRISE

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AI summary

A detachable warning lamp has a base (10), a light-emitting module (20) disposed on the base (10), and a cover (30) disposed on the base (10). The base (10) has two retaining walls (14) and two engaging grooves (15). The light-emitting module (20) has multiple light-emitting elements (22). Each one of the light-emitting elements (22) has a first engaging portion (24) inserted into a corresponding one of the two engaging grooves (15), multiple first cushioning lugs (25) abutting a corresponding one of the two retaining walls (14), a second engaging portion (26), and multiple second cushioning lugs (27). The cover (30) has two baffles (31) abutting the second cushioning lugs (27) and two stopping surfaces (32) abutting the second engaging portion (26). The light-emitting elements (22) are detachably engaged on the base (10) without the use of a screw and a hand tool.