Pickup Truck Compartment Cover Locking Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing compartment cover systems for pickup trucks are weakly fixed, leading to easy lifting off of the covering layer, which compromises the protection of articles inside the compartment.
Innovation Solution
A compartment cover system with a driver-side and passenger-side buckle mechanism, featuring inward-facing slots and outward-facing lock tongues with compression springs, connected by pulling rods and adjustment nuts, ensuring firmer fixation through transverse locking and adjustable positioning for enhanced security and convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a simple buckle mechanism is used to fix the compartment cover, then the device complexity is reduced, but the fixing strength is insufficient causing the covering layer to be easily lifted off
Solution Approach 1:
The buckle mechanism is divided into separate functional components: a buckle body with an inward-facing slot, a lock tongue with an outward-facing lock tongue opening, and a compression spring. This segmentation allows each component to perform its specific function while collectively providing strong fixation without excessive complexity.
Solution Approach 2:
The lock tongue is nested within the lock casing, and the compression spring is nested around the pulling rod section inside the lock tongue cavity. This nesting arrangement compactly integrates multiple components into a space-efficient structure that provides robust fixing strength without increasing overall device complexity.
2Reliability
If a firm fixing mechanism is implemented to prevent the covering layer from being lifted off, then the reliability is improved, but the ease of operation is reduced due to more complex locking procedures
Solution Approach 1:
The compression spring automatically pushes the lock tongue to protrude outside the lock tongue opening, enabling the lock tongue opening to lock into the slot without requiring additional manual intervention. This self-actuating mechanism maintains high reliability while minimizing operational complexity.
Solution Approach 2:
The pulling rod section can be pulled backward to retract the lock tongue for unlocking, and when released, the compression spring automatically returns it to the locked position. This periodic action between locked and unlocked states provides reliable fixation while allowing easy operation through simple pulling and releasing motions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides a firmer and more secure fixing mechanism, preventing the covering layer from being easily lifted off, ensuring the compartment remains covered and protected, with adjustable components for optimal positioning and operation.
Implementation Method 1
a driver-side compression spring provided surrounding the driver-side pulling rod section inside the driver-side lock tongue cavity is pushed on one end against the driver-side lock tongue and on the other end against the tip of the driver-side lock tongue cavity so that the driver-side lock tongue can protrude outside of the driver-side lock tongue opening
Data Source
AI summary
A pickup compartment cover system having a covering layer with a front and a back frame edge. Both a driver and a passenger side include a frame edge fixed at the head of the frame edge, a buckle having a slot with an inward opening, a lock casing on an end of the back frame edge having a lock tongue cavity with an outward opening; a lock tongue provided inside the tongue cavity at the tail with a pulling rod section passing backward through the casing, and a compression spring surrounding the pulling rod section inside the lock tongue cavity pushed on one end against the lock tongue and on the other end against a tip of the lock tongue cavity so the lock tongue protrudes outside of the opening and the opening can further be locked into the slot. The two pulling rod sections connect through a pulling cord.