Lever-Locked Upper Module Mounting for Commercial Vehicles
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Solution Overview
Problem
The existing method of mounting upper modules on commercial vehicles using fastening bolts and nuts is time-consuming and difficult, requiring repeated disassembly and reassembly, which complicates the process of attaching and detaching different modules.
Innovation Solution
A lever-operated upper module mounting unit that includes a base, a rotatable main rod with a head, a lever, and a damper, allowing for easy attachment and detachment of upper modules without the need for tools by aligning and fixing the module through rotational mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fastening bolts and nuts are used to mount the upper module, then the mounting structure is reliable and secure, but the mounting and detachment process becomes time-consuming and complex
Solution Approach 1:
The patent employs a dynamic locking mechanism where the rod can rotate between locked and unlocked positions. The rod features a head with an inclined surface that, when rotated, engages with or disengages from the mounting bracket's hole, enabling quick transitions between mounted and detached states without manual fastening operations
Solution Approach 2:
The patent replaces the traditional mechanical fastening system (bolts and nuts requiring tools) with a simplified rotational locking system. The rod's rotation alone suffices to secure or release the upper module, substituting complex mechanical assembly with a single rotational motion controlled by the lever
2Strength
If fastening bolts and nuts are used to mount the upper module, then the connection is secure, but the operation becomes difficult and requires tools
Solution Approach 1:
The rod's head features an inclined surface that automatically engages with the mounting bracket when the rod is rotated into position. The geometry of the head and inclined surface enables self-alignment and self-locking, eliminating the need for external tools or complex manual operations to achieve secure connection
Solution Approach 2:
The rotational movement of the rod transforms the static fastening problem into a dynamic locking process. As the rod rotates, the head's inclined surface naturally guides engagement with the mounting bracket, making the operation intuitive and tool-free while maintaining strong connection
3Stability of the object's composition
If multiple fastening points are used to secure the upper module, then the mounting stability is improved, but the alignment process becomes more difficult and time-consuming
Solution Approach 1:
The single rod serves multiple functions: it simultaneously provides structural support, positioning alignment, and locking security for the upper module. By consolidating these functions into one component rather than multiple separate fasteners, the system achieves stable mounting without the complexity of coordinating multiple alignment operations
Data Source
AI summary
The present disclosure relates to an upper module mounting unit for a vehicle that allows an upper module to be mounted on a frame by lever operation. The upper module mounting unit according to the present disclosure includes a base mounted on a frame of a vehicle, and a main rod rotatably installed on the base, the main rod having a head configured to pass through a mounting bracket mounted on an upper module of the vehicle, the main rod configured to be fixed to the mounting bracket by being caught thereon according to rotation of the main rod.