Device for dispensing a liquid product
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Solution Overview
Problem
Conventional soap dispensers face issues such as contamination transfer, difficulty in use for small children and elderly, frequent spills leading to safety hazards, unsightly and space-consuming security frames, and hygiene concerns due to mold and bacteria accumulation.
Innovation Solution
A multi-part soap dispenser design featuring a two-part outer container and an inner refill cartridge, with a locking and fastening mechanism that allows for secure, tamper-proof operation, eliminating the need for external racks and enhancing hygiene by preventing unauthorized access and easy cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a squeeze container is used, then the liquid product can be dispensed by pressing, but the container requires large contact area which leads to contamination transfer between users
Solution Approach 1:
The receiving body is divided into multiple parts: an inner container holding the liquid product and an outer container with a protective frame. This segmentation allows the inner container to be accessed only through the structured opening in the protective frame, limiting contact area and preventing contamination transfer while maintaining dispensing functionality.
2Productivity
If a squeeze container is used, then the liquid product can be dispensed, but large force is required which makes it difficult for small children and elderly people to use
Solution Approach 1:
The dispensing function is extracted from the container itself and relocated to a pump mechanism mounted on the protective frame. The pump mechanism dispenses the liquid product through a nozzle without requiring users to apply squeezing force to the container, making the device accessible to small children and elderly people while maintaining productivity.
3Ease of operation
If the liquid product is dispensed downwards, then the dispensing is simple, but the liquid frequently falls to the floor causing contamination and safety hazards
Solution Approach 1:
Instead of dispensing the liquid product downwards as in conventional dispensers, the nozzle is oriented to dispense the liquid product upwards or sideways into a collection container. This inversion prevents liquid from falling directly onto the floor, eliminating slip hazards and reducing contamination while maintaining simple dispensing operation.
4Reliability
If wire or metal frames are used for security, then the soap dispenser is protected from theft, but the frames are visually unattractive and accumulate soap residues and bacteria
Solution Approach 1:
The protective frame is constructed from composite materials including transparent or translucent plastic components that provide security functionality while maintaining visual appeal. The smooth, non-porous surfaces of the composite materials prevent soap residue and bacteria accumulation, allowing easy cleaning while retaining theft protection functionality.
5Reliability
If a multi-part design with locking mechanism is used, then unauthorized access is prevented and hygiene is improved, but the device complexity increases
Solution Approach 1:
The locking mechanism is merged with the protective frame structure itself, rather than being a separate component. The frame includes integrated locking features that engage with the inner container, providing tamper-proof operation while minimizing additional parts. The multi-part design is necessary for functionality but the complexity is reduced through integrated rather than separate components.
Data Source
AI summary
A device for dispensing a liquid product is provided that includes a receiving body, a locking and fastening device and an adapter device. A kit is also provided that includes a device for dispensing a liquid product and an auxiliary tool.