Grass Protection Mat with Hook Fastener Assembly
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Solution Overview
Problem
Conventional grass protection mats are difficult to construct and disassemble, require excessive force for coupling, and pose safety hazards due to protruding fastening pins, and user control is cumbersome, especially when using hook fasteners.
Innovation Solution
An integrated assembly type grass protection mat with hook fasteners and corresponding fastening holes on the outer frames allows for easy assembly and disassembly by minimizing the need for top-pushed hook fasteners, enhancing coupling strength and user convenience, and incorporating a connector for contraction-expansion compensation without interfering with grass growth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a fastening pin structure is used to couple the grass protection mat to the ground, then the mat can be securely fastened, but excessive force is required for every coupling tool and construction time increases
Solution Approach 1:
The fastening system is divided into two functional parts: a fastening pin for ground insertion and a pillar structure for mat attachment. This segmentation allows each component to be optimized independently - the pin for secure ground anchoring and the pillar for easy mat coupling, reducing overall construction effort and time
Solution Approach 2:
The pillar structure is pre-formed with a receiving hole aligned for the fastening pin. This preliminary preparation eliminates the need for on-site alignment adjustments during assembly, significantly reducing construction time while maintaining coupling strength
2Reliability
If a fastening pin structure is used to couple the grass protection mat to the ground, then the mat can be securely fastened, but it takes long time in the construction
Solution Approach 1:
The fastening pin and pillar structure are combined into an integrated fastening system where the pin passes through the pillar's receiving hole. This merging creates a single unified fastening action that simultaneously achieves ground anchoring and mat attachment, improving both reliability and construction efficiency
Solution Approach 2:
The pillar structure with its pre-positioned receiving hole guides the fastening pin into the correct position automatically during insertion. This self-alignment feature eliminates the need for manual positioning adjustments, enhancing construction efficiency while ensuring reliable fastening
3Adaptability or versatility
If a hook fastener is used to connect neighboring mats, then mats can be coupled continuously, but it causes user's hand to hurt and involves more cumbersome operations
Solution Approach 1:
Instead of using a hook fastener that requires manual manipulation and pulling actions (which hurt the user's hand), the invention inverts the mechanism to use a passive receiving hole that simply receives and holds the fastening pin. This inversion transforms an active, cumbersome operation into a passive, effortless connection, greatly improving ease of operation while maintaining mat connection capability
Data Source
AI summary
A grass protection mat comprises a body where grass passing spaces are continuously arranged and an outer frame comprising four frames formed in four directions to finish an outer edge of the body, wherein the grass protection mat further comprises at least one hook fastener which horizontally protrudes from a first lateral frame of the outer frame toward a second lateral frame of an outer frame of a neighboring grass protection mat, and wherein the at least one hook fastener is fastened to at least one fastening hole provided in the outer frame of the second grass protection mat adjacent to the first lateral frame and corresponding to the hook fastener of the grass protection mat.