Hose Clamp Support Tool Preventing Rotation During Tightening
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Solution Overview
Problem
Hose clamp rotation during tightening or loosening operations makes it difficult to maintain a secure connection, requiring manual holding or additional attachment, which increases complexity and cost.
Innovation Solution
A hose clamp support tool with a collar, drive extension, and biasing device that secures the hose clamp relative to a rotational driver, preventing rotation and allowing for easy tightening or loosening without manual holding or attachment to the hose.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If force is applied to the screw to maintain a positive connection between the rotational driver and the screw head, then the screw can be securely driven, but the hose clamp rotates around the hose making the screw head inaccessible
Solution Approach 1:
The support tool acts as an intermediary device between the rotational driver and the hose clamp. It includes a drive extension that engages the screw head and a support structure with a hood that engages the hose clamp body, providing a mediator mechanism that prevents rotation of the hose clamp while the screw is being driven.
Solution Approach 2:
The support tool is divided into distinct functional segments: a collar that attaches to the rotational driver, a drive extension that engages the screw head, and a support structure with a hood that engages the hose clamp body. This segmentation allows each component to perform its specific function independently while working together as a system.
2Ease of operation
If the hose clamp is mechanically fixed or bonded to the hose to prevent rotation, then the screw head remains accessible, but manufacturing cost and complexity increase
Solution Approach 1:
Rather than permanently fixing the hose clamp to the hose, the support tool serves as a temporary intermediary device that prevents rotation during the tightening operation. This mediator approach avoids permanent modifications to the hose clamp assembly while achieving the same operational goal.
Solution Approach 2:
The support tool is designed to be dynamically applied and removed rather than creating permanent fixed connections. The hood engages with the hose clamp body during operation and can be easily removed afterward, providing temporary rotational prevention without permanent attachment complexity.
3Ease of operation
If an operator manually holds the hose clamp to prevent rotation, then the screw head remains accessible, but the operator requires continuous manual intervention
Solution Approach 1:
The support tool enables the system to service itself by automatically preventing rotation of the hose clamp during the tightening operation. Once the support tool is attached to the rotational driver and engaged with the hose clamp, it self-regulates to prevent rotation without requiring continuous manual intervention from the operator.
Solution Approach 2:
The support tool replaces manual human intervention with an automated intermediary mechanism. The drive extension and hood work together as a mediator system that automatically prevents rotation, freeing the operator from the need to manually hold the hose clamp while maintaining screw head accessibility.
Data Source
AI summary
A hose clamp support tool includes a collar that is attached to a nose of a rotational driver. A drive extension includes a driven socket end that is connected to a drive output of the rotational driver, and a screw socket end that engages a screw of a hose clamp. A support structure is coupled to the collar, and is slideably moveable relative to the drive extension along the central drive axis. The support structure includes a cylindrical portion. The drive extension extends through and is rotatably supported by the cylindrical portion. The support structure includes a hood. The hose clamp is secured between the hood and the screw socket end of the drive extension during installation and removal operations. A biasing device is operable to bias the support structure along the central drive axis relative to the drive extension.