Glove Box Lock Mechanism One-Step Assembly
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Solution Overview
Problem
The existing glove box assembly process is complex and time-consuming, requiring multiple steps for each component assembly, which increases production time and effort, posing challenges in mass production and potentially necessitating additional production lines.
Innovation Solution
The glove box design includes a lock mechanism with a base unit and interlocking components that allow for one-step assembly in a linear direction, utilizing inclined portions for sliding contact with the lock unit's distal ends, reducing the complexity and time required for assembly by integrating the lock unit and lock mechanism with the outer and inner units in a single, simplified process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional multi-step assembly process is used for glove box components, then each component can be assembled with proper positioning, but assembly time and effort increase significantly
Solution Approach 1:
The glove box is divided into distinct modules: outer unit, inner unit, lock mechanism, and lock unit. Each module is designed with standardized connection interfaces (fitting portions) that enable independent assembly and reduction of overall assembly complexity.
Solution Approach 2:
Fitting portions serve as intermediary connection elements between the outer unit, inner unit, lock mechanism, and lock unit. These standardized interfaces facilitate straightforward assembly without requiring complex alignment procedures, thereby reducing assembly time while maintaining precision.
2Reliability
If traditional assembly process with multiple steps is used, then proper positioning and securing of components is achieved, but production efficiency decreases
Solution Approach 1:
The assembly is segmented into modular units with defined interfaces. The lock mechanism and lock unit are separate modules that can be assembled independently and then integrated with the outer and inner units, streamlining the production process while ensuring reliable positioning through standardized connections.
Solution Approach 2:
The fitting portions act as intermediary elements that provide reliable mechanical connection between modules. These standardized interfaces ensure consistent positioning and secure assembly, improving both reliability and production efficiency by eliminating complex alignment steps.
3Reliability
If complex assembly process is used for lock unit and lock mechanism, then proper locking function is ensured, but assembly complexity increases
Solution Approach 1:
The locking system is divided into separate functional modules: the lock mechanism (containing the link unit and base unit) and the lock unit (containing the rod). This segmentation allows each module to be assembled and tested independently, reducing overall assembly complexity while maintaining the reliability of the locking function through proper interface design.
Solution Approach 2:
The fitting portions serve as intermediary connection elements between the lock mechanism and lock unit, as well as between these components and the outer/inner units. These standardized interfaces simplify the assembly process by providing clear alignment and connection points, reducing assembly complexity while ensuring the locking function operates reliably.
4Productivity
If multiple production lines are added to handle complex assembly, then production capacity increases, but production cost increases
Solution Approach 1:
By segmenting the glove box into modular units with standardized interfaces, the assembly process becomes simpler and more suitable for single-line mass production. This modular approach enables faster assembly cycles without requiring additional production lines, thereby increasing production capacity while avoiding the increased costs associated with multiple production lines.
Data Source
AI summary
A glove box includes: an outer unit turning to open and to close; a lock unit that locks a closed state of the outer unit; a lock mechanism that includes an operation unit, an interlocking unit, and a base unit; an inner unit that closes an inner wall of the outer unit; a fitting portion that assembles the inner wall of the outer unit and the lock mechanism; and a receiving seat portion that receives the lock unit. Further, the inner unit has an inclined portion inclined to an inside of the inner unit from the inner wall side of the outer unit toward the through hole, and the inclined portion is in sliding contact with a distal end of the lock unit in a longitudinal direction when the outer unit and the inner unit are assembled.