Net Cover Device Segmentation and Merging for Lamp Assembly
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Solution Overview
Problem
Existing working lamps with metal net covers face issues of high manufacturing costs, complex processing, rust damage due to poor material selection, and uneven support due to manual welding, which affects their durability and application versatility.
Innovation Solution
A simple net cover device comprising a connecting plate, cover body, and bottom fixing part with embedded and fixed connections, and a lamp design that allows for easy assembly, reduced wear, and even support, enabling the lamp to be used alone or in series.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If metal net cover is used to improve structure strength and protective performance, then the lamp gains better protection, but the manufacturing cost increases and processing becomes complex
Solution Approach 1:
The net cover device is divided into multiple components: a connecting plate with embedding holes, a cover body with end parts, and a bottom fixing part with supporting legs. This segmentation allows each component to be manufactured separately using simpler processes and then assembled, reducing overall processing complexity while maintaining protective performance.
Solution Approach 2:
The connecting plate is integrated with the lamp housing structure, combining the net cover mounting function with the existing lamp structure. This merging eliminates the need for separate complex mounting mechanisms, reducing device complexity while ensuring secure attachment and protective coverage.
2Ease of manufacture
If metals with poor rust prevention capability are selected to reduce cost, then manufacturing cost decreases, but the net cover becomes prone to rust and corrosive damage
Solution Approach 1:
A plastic or rubber sealing ring is introduced as an intermediary component between the metal net cover and the environment. This sealing ring prevents direct contact between moisture/corrosive substances and the metal surface, protecting the cost-effective metal material from rust while maintaining overall device reliability.
Solution Approach 2:
The net cover device combines different materials with complementary properties: metal provides structural strength and cost-effectiveness, while plastic or rubber sealing components provide corrosion resistance. This composite material approach allows use of lower-cost metals while achieving superior overall rust resistance through material combination.
3Ease of operation
If manual welding is used for assembling net cover components, then assembly flexibility is maintained, but welding precision is poor causing height difference in supporting legs
Solution Approach 1:
The connecting plate incorporates pre-designed embedding holes with specific dimensions and positions. During assembly, the cover body's first end part is inserted into these holes, which automatically position and align the components. This self-positioning mechanism eliminates the need for precision manual welding, ensuring uniform supporting leg heights while maintaining assembly flexibility through simple insertion operations.
Solution Approach 2:
Manual welding operations are replaced with a mechanical insertion and fixing system. The embedding holes provide precise mechanical positioning, and fixing components (such as screws or clips) secure the assembly without requiring thermal welding processes. This substitution achieves both precision and flexibility.
4Reliability
If connecting plate or screw post is designed at one end of net cover for fixation, then the net cover can be fixed to the lamp, but the processing cost and device complexity increase
Solution Approach 1:
The connecting plate serves multiple functions: it provides structural support for the net cover, incorporates embedding holes for precise positioning of the cover body, and integrates with the lamp housing mounting structure. This multi-functionality eliminates the need for separate fixation components like screw posts, reducing device complexity while ensuring reliable fixation.
Data Source
AI summary
A simple net cover device that includes a connecting plate, a cover body and a bottom fixing part. The cover body is set between the connecting plate and the bottom fixing part. The cover body includes the first end part and the second end part. The first end part is embedded into the connecting plate to locate the cover body and the connecting plate. The second end part is fixedly connected to the bottom fixing part. The simple net cover device is characterized by simple processing and assembly, low manufacture cost, not easy to wear in bottom and long life, and can ensure the net cover is supported. The present invention also provides a lamp including the simple net cover device, which can not only be used alone, but also can be strung into a string of lamps to meet the diversified use needs of the users.