Hose Clamp Holder Structure for Easy Diameter Reduction
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Solution Overview
Problem
Existing hose clamps require complex mechanisms to decrease in diameter, such as twisting a holder, which is not efficient for applications where a hose clamp needs to be easily reduced in diameter by pulling the holder in the outer diameter direction.
Innovation Solution
A hose clamp design featuring a ring portion with bent knob portions and a holder that includes protruding holding walls and an operation portion for pulling the holder outward, allowing the ring portion to be decreased in diameter by engaging the knob portions with the holder's inner surfaces, facilitating easy diameter adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the holder is designed to keep the clamp main body in a diameter-increased state by twisting around the axis, then the clamp can be decreased in diameter by twisting the holder, but the operation becomes complex and less efficient for applications requiring simple pull-based diameter reduction
Solution Approach 1:
Instead of twisting the holder to reduce diameter (conventional approach), the invention inverts the operation by allowing the holder to be pulled outward in the outer diameter direction, which causes the clamp main body to rotate and the knob portions to separate, thereby reducing the diameter through a simple pulling motion rather than twisting
Solution Approach 2:
The holder is designed with dynamic functionality where pulling the operation portion in the outer diameter direction triggers a rotational movement of the clamp main body, transforming the static holding state into a dynamic diameter-reduction state through a simple linear pull motion
2Reliability
If the holder includes structures to prevent the clamp main body from coming off, then the reliability is improved, but the device complexity increases due to additional components
Solution Approach 1:
The invention merges the diameter-reduction function and the anti-detachment function into a single integrated holder structure. The first and second holding walls not only clamp the knob portions to reduce diameter but also serve as retention structures that prevent the clamp main body from coming off, eliminating the need for separate retention components
Solution Approach 2:
The holding walls are designed to perform multiple functions simultaneously: they act as clamping surfaces for diameter reduction and as retention barriers to prevent detachment, making the holder a multi-functional component that improves reliability without adding separate structures
Data Source
AI summary
A hose clamp includes a clamp main body including a ring portion and a pair of knob portions; and a holder. The holder includes a main body portion, a pair of holding walls, and an operation portion. An inner surface on a distal end side of one holding wall includes a protrusion that protrudes more largely inward than an inner surface on a distal end side of other holding wall. And in a state where the pair of knob portions are close to each other, a distal end of one knob portion in a peripheral direction is engaged with the inner surface of the one holding wall, and the other knob portion is engaged with the inner surface of the other holding wall, so that the ring portion is kept in a diameter-increased state.