Pickup Truck Bed Cover Lock with Segmented Wire Rope
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Solution Overview
Problem
Existing bed cover connection devices for pickup trucks use hidden wire ropes, making it inconvenient to pull and open the cover effectively.
Innovation Solution
A bed cover connection device featuring a sidebar lock system with a large rear bar lock system, intermediate node blocks, and a sidebar anti-tilting structure, allowing the wire rope to be separated into segments for easier pulling and securing the lock mechanism with aluminum pressed wires and threaded connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wire rope is hidden in the existing connection device, then the structure appears more compact, but it becomes inconvenient to pull and operate
Solution Approach 1:
The wire rope is extracted from the hidden structure and brought to the exterior surface, allowing users to easily access and pull it to open the bed cover. The wire rope passes through guide holes in the intermediate node blocks and connects to the lock block, making it externally accessible while maintaining functional integration.
Solution Approach 2:
The wire rope is divided into multiple segments by intermediate node blocks that are distributed along its length. This segmentation allows the wire rope to be pulled in sections, improving operability while the node blocks provide structural organization and guidance for the rope's movement through the locking mechanism.
2Ease of operation
If the wire rope is made accessible for easy pulling, then operation convenience improves, but the structural complexity increases
Solution Approach 1:
The intermediate node blocks serve multiple functions: they guide the wire rope, provide structural support, segment the rope into manageable sections, and maintain the rope's alignment during pulling. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in overall structural complexity while improving operability.
3Ease of manufacture
If the lock mechanism uses a simple sliding block structure, then manufacturing is easier, but reliability of locking may be compromised
Solution Approach 1:
The lock block incorporates a spring that provides dynamic restoring force. When the wire rope is pulled, the lock block slides along the guide groove; when the pulling force is released, the spring automatically returns the lock block to its locked position. This dynamic mechanism maintains reliability while keeping the overall structure relatively simple and manufacturable.
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
Facilitates easy operation by allowing users to pull one segment of the wire rope to open the lock, preventing sidebar tilting and ensuring secure closure and opening of the bed cover.
Implementation Method 1
The lock connection shaft is provided with a spring, one end of the spring is connected to the lock, the other end of the spring is connected to the rear bar lock block
Data Source
AI summary
The invention discloses a bed cover connection device for pickup truck, wherein includes a sidebar lock system connected to two sidebars, a large rear bar lock system connected to the rear bar and multiple intermediate node blocks, the sidebar locking system includes a sidebar lock base, the sidebar lock base has a locking cavity, and there are two large rear bar lock systems, the two large rear-bar lock systems are set corresponding to the two side-bar lock systems, the large rear-bar lock system includes a rear-bar lock block and a lock connection shaft, the rear-bar lock block is connected to the rear bar, the lock connection shaft passes through the rear-bar lock block. The device in this invention can pull the lock out of the lock cavity to open the rear bar by setting up a wire rope, and multiple intermediate node blocks, which separate the wire rope into multiple segments, are set up to facilitate the user to pull the wire rope.