Working Machine Floor Mat with Covering Portion for Debris Sealing
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Solution Overview
Problem
Existing floor mats for working machines, such as backhoes, lack effective coverage and secure attachment, leading to gaps that can compromise safety and functionality by allowing debris and moisture to enter the cabin.
Innovation Solution
A floor mat design featuring a mat main body with a covering portion and connecting portions that securely attach to the machine's floor and wall, ensuring complete coverage and flexibility to accommodate the machine's structural elements, with specific dimensions of the cover wall portions optimized to match the mat's thickness for seamless integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a floor mat is installed on the floor surface boundaries, then coverage area is improved, but gaps remain that allow debris and moisture ingress
Solution Approach 1:
The floor mat is divided into multiple functional segments: a mat main body for floor coverage, wall portions for vertical coverage, and cover wall portions for gap sealing. This segmentation allows each part to address specific protection needs, eliminating gaps that would otherwise allow debris and moisture ingress while maintaining comprehensive coverage.
Solution Approach 2:
The floor mat extends from the horizontal floor surface into the vertical wall dimension. By adding wall portions and cover wall portions that protrude upward, the mat creates a three-dimensional barrier that seals gaps between floor and wall, preventing debris and moisture from entering through openings that a two-dimensional floor mat could not address.
2Object-affected harmful factors
If a floor mat with wall portions is used to cover boundaries, then protection against debris ingress is improved, but attachment security deteriorates
Solution Approach 1:
The connecting portions are pre-formed as integral parts of the mat structure, positioned at strategic locations where the mat contacts the floor and wall surfaces. These pre-formed connection elements prepare the mat for secure attachment by providing built-in anchoring points that distribute attachment forces evenly, preventing detachment while maintaining effective gap sealing.
Solution Approach 2:
The mat is constructed as a flexible, thin-walled structure that can conform to the contours of the floor and wall surfaces. This flexibility allows the mat to maintain intimate contact with irregular surfaces, ensuring both effective sealing of debris pathways and secure mechanical attachment through friction and geometric interlocking.
3Object-affected harmful factors
If cover wall portions extend beyond mat thickness, then gap coverage is improved, but structural integrity deteriorates
Solution Approach 1:
The cover wall portions are designed with localized thickness optimization: they extend sufficiently beyond the mat main body thickness to seal gaps effectively at critical locations, while the overall mat structure maintains adequate thickness for structural integrity. This local quality variation allows the mat to provide enhanced gap sealing where needed without compromising the stability and composition of the entire structure.
Data Source
AI summary
A floor mat arranged in a working machine includes a floor portion, a wall portion arranged on a circumferential portion of the floor portion, and an opening portion arranged on a part of a connecting portion of the wall portion, the connecting portion connecting to the floor portion. The floor mat includes a mat main body arranged on the floor portion, a covering portion configured to cover the opening portion, and an connecting portion configured to connect the covering portion flexibly to a circumferential portion of the mat main body.


