Toolbox Composite Structure Reinforcement
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Solution Overview
Problem
Conventional plastic toolboxes are fragile due to weak structural strength, especially when equipped with locking members, hinges, and connecting elements, leading to premature damage and a shorter service life.
Innovation Solution
A toolbox design combining plastic and metal components with positioning members, where plastic flanges and metal frames are used to create a lightweight yet strong structure, utilizing locking assemblies and rotatable assemblies for enhanced durability and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If the toolbox is made of plastic material, then the weight is reduced and rust resistance is improved, but the structural strength becomes weak and the toolbox becomes fragile
Solution Approach 1:
The toolbox employs a composite structure combining plastic and metal materials. The main body is made of plastic for light weight and rust resistance, while metal reinforcing ribs are integrated into the plastic structure to provide enhanced structural strength and prevent deformation at critical areas where locking members and hinges are attached.
2Adaptability or versatility
If locking members, hinges and connecting elements are attached to the plastic toolbox, then the toolbox functionality is improved, but the structural damage and fragility increase
Solution Approach 1:
The patent applies local reinforcement by integrating metal ribs specifically at the areas where locking members, hinges, and connecting elements are attached. This localized strengthening provides the necessary structural support at critical points without requiring the entire toolbox to be made of heavy metal material.
Solution Approach 2:
The metal reinforcing ribs are pre-integrated into the plastic toolbox structure during manufacturing, creating predetermined reinforcement zones before the locking members and hinges are attached. This preliminary structural preparation prevents damage at attachment points and extends the service life of the toolbox.
3Strength
If metal material is used for the toolbox, then the structural strength is improved, but the weight increases and rust resistance decreases
Solution Approach 1:
The toolbox employs a composite structure combining plastic and metal materials. The main body is made of plastic for light weight and rust resistance, while metal reinforcing ribs are integrated into the plastic structure to provide enhanced structural strength and prevent deformation at critical areas where locking members and hinges are attached.
Data Source
AI summary
A toolbox is provided, including a first shell body, a second shell body and at least one locking assembly. The first shell body includes a first flange and a first frame disposed on the first flange. The second shell body is rotatably connected with the first shell body. The second shell body includes a second flange and a second frame disposed on the second flange. The at least one locking assembly includes a first locking unit, a second locking unit, first positioning members and second positioning members. The first locking unit is connected with the first frame through the first positioning members. The second locking unit is connected with the second frame through the second positioning members. Each of the first positioning members is disposed through the first frame. Each of the second positioning members is disposed through the second frame.