Rotating Fastening Unit for Quick-Lock Breathing Modules
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Solution Overview
Problem
Existing fastening systems for respiratory protection modules, such as breathing masks or hoods, are difficult to install and remove securely, particularly for workers in environments like spray booths where ease of use and health protection are critical.
Innovation Solution
A fastening unit with a modular design that allows for easy and secure attachment and detachment of air processing modules, such as an air regulator unit, to a waist strap or hip belt, utilizing a combination of screws, springs, and locking mechanisms to provide multiple positional engagement options and secure the modules in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing fastening systems are used for respiratory protection modules, then the modules can be secured to the waist strap or hip belt, but the installation and removal processes become difficult and time-consuming
Solution Approach 1:
The fastening unit is divided into separate components: a fastening element with locking pins and a corresponding receptacle with locking grooves. This segmentation allows the module to be quickly attached and detached from the waist strap or hip belt without complex tools or procedures, directly improving ease of operation and reducing installation time.
2Reliability
If existing fastening systems are used for respiratory protection modules, then the modules can be secured to the waist strap or hip belt, but the securing mechanism becomes complex and difficult to manipulate
Solution Approach 1:
The fastening mechanism is designed to be self-securing through the interaction of locking pins and locking grooves. When the module is attached, the locking pins automatically engage with the locking grooves without requiring additional fastening steps or complex manipulation, achieving reliable attachment while maintaining simplicity.
3Adaptability or versatility
If multiple air processing modules are attached to the waist strap or hip belt, then health protection and user friendliness are improved, but the overall structure becomes more complex and difficult to manage
Solution Approach 1:
Each air processing module (activated charcoal adsorbent, air heater, air humidifier, air regulator, air distributor) is designed as a separate, standardized module that can be independently attached or removed from the waist strap or hip belt. This segmentation allows users to configure the system according to specific needs without managing a complex integrated structure.
Solution Approach 2:
The fastening unit design is universal and can accommodate multiple different types of air processing modules. The standardized fastening elements and receptacles allow any module with the corresponding fastening interface to be attached to the same waist strap or hip belt, providing versatility while maintaining structural simplicity through standardization.
Data Source
AI summary
A fastening unit, in particular a fastening unit for modules which are intended to supply a user of a breathing mask or breathing hood with breathable air, and to such modules. The fastening unit is designed to secure one module relative to another module, and has a first component part for assembly with the other module and a second component part for assembly with the module. The second component part is rotatable, by means of the first component part, about a predetermined angle relative to the first component part; and first and second subcomponents within the region of the defined angle can engage with each other in a plurality of positions.