Diving Air Pump Line Quick Release Mechanism
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Solution Overview
Problem
Existing diving apparatuses face issues with entanglement of the air-supply line in emergency situations, leading to difficulty in freeing oneself, and discomfort due to uneven distribution of pulling forces which can cause rotation and strain on the diver's shoulders.
Innovation Solution
The air-supply line is detachably fastened centrally behind the diver's back on a hip strap with a quick-release fitting, allowing for easy release in emergency situations and distributing pulling forces more evenly by transferring them to the pelvis region via a stiffening element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the air-supply line is attached to the housing in the region of the interior-space beginning and routed over the shoulders, then the air pump can supply air to the diver, but the pulling forces cause rotation and discomfort due to uneven distribution on the shoulders
Solution Approach 1:
A stiffening element is introduced as an intermediary component between the air pump housing and the diver's body. This element transfers the pulling forces from the air-supply line to the pelvis region instead of the shoulders, acting as a mechanical mediator that redirects force transmission to a more suitable anatomical location that can better withstand the loads.
Solution Approach 2:
The attachment point of the air-supply line is moved from the upper body region (shoulders) to the lower body region (pelvis). This spatial relocation changes the dimension of force application, moving it away from the center of gravity to prevent rotational moments and distribute forces along the longitudinal axis of the body where they can be better managed.
2Reliability
If the air-supply line is fixed to the housing, then air can be supplied continuously, but in emergency situations the diver cannot quickly free himself from entanglement
Solution Approach 1:
The connection between the air-supply line and the air pump housing is made dynamically reversible. A release mechanism is provided that allows the air-supply line to be quickly detached from the housing in emergency situations. This transforms the connection from a static fixed state to a dynamic state that can switch between connected and disconnected, enabling both continuous operation and rapid emergency release.
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
This design enables quick and easy detachment of the air-supply line in emergencies, preventing entanglement and reducing diver discomfort by balancing pulling forces closer to the center of gravity, thus improving safety and comfort during diving.
Implementation Method 1
in the event of an overpressure caused by surrounding water, the flexible part is pressed into the interior space, with reduction of the pump volume
Implementation Method 2
the flexible part can be pulled out of the interior space against the overpressure by muscle power of the diver and with increase of the pump volume, in order to suck in air
Data Source
AI summary
A diving device includes an air pump with a rigid housing including an interior and an opening closed by a sack-shaped flexible part to form a variable pump volume delimited by the housing and the flexible part. The air pump is designed such that if surrounding water causes overpressure, the flexible part is pressed into the interior, thereby reducing the pump volume, and rests against an inner wall of the housing at least partly in a contact section of the interior. The flexible part can be pulled out of the interior against the overpressure by the muscle force of a diver, thereby increasing the pump volume. The air supply line can be releasably secured to a support device, in particular a waist belt of the support device, centrally behind the back of the diver, and a quick ejection device is provided for releasably securing the air supply line.