Rotating Dispensing Nozzle with Stop Surfaces for Leakage Prevention
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Solution Overview
Problem
Existing dispensing devices for liquids, such as soaps and detergents, face issues with nozzle instability, leakage, and complex assembly, leading to increased costs and damage risks during handling and transport.
Innovation Solution
A dispensing device with a switching nozzle that can be rotated between dispensing and non-dispensing positions, featuring strategically shaped stop surfaces and constraining portions to ensure secure positioning and minimize leakage, while occupying minimal space and providing a pleasant appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the dispensing nozzle is rigidly fixed to the operating means, then the device structure is simple, but the nozzle projects from the device causing packaging complexity and damage risk
Solution Approach 1:
The dispensing nozzle is made rotatable relative to the operating cap, allowing it to switch between a projecting dispensing position and a retracted non-dispensing position. This dynamic configuration reduces packaging complexity and damage risk while maintaining structural simplicity through the rotatable connection mechanism.
2Object-affected harmful factors
If the dispensing nozzle is made switchable between positions, then packaging and transport are improved, but nozzle stability decreases and undesired switching occurs
Solution Approach 1:
Stop surfaces are provided on both the operating cap and dispensing nozzle to prevent the nozzle from rotating beyond the dispensing position. These preliminary mechanical constraints counteract undesired switching while allowing intentional position changes, maintaining stability during packaging and transport.
3Volume of moving object
If the dispensing nozzle is switched to non-dispensing position, then space is minimized, but tightness is compromised and fluid leakage occurs
Solution Approach 1:
A sealing element is introduced as an intermediary component between the dispensing nozzle and operating cap. This sealing element maintains tightness and prevents fluid leakage in both dispensing and non-dispensing positions, enabling the nozzle to be retracted into the operating cap without compromising reliability.
4Object-affected harmful factors
If the dispensing nozzle is switched to non-dispensing position, then packaging is improved, but assembly complexity increases
Solution Approach 1:
The dispensing nozzle is segmented from the operating cap through a rotatable connection, allowing independent assembly of the two components. The sealing element and stop surfaces are integrated into the respective parts, enabling modular assembly while achieving compact packaging configuration when the nozzle is retracted.
Data Source
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AI summary
The present invention concerns a dispensing device (100) for dispensing a liquid or fluid held in a container (C). The device (100) comprises: an engagement portion (101) for mutually engaging the device (100) and the container; drawing and dispensing means (102) suited to draw the fluid or liquid from the container (C) and then dispense it; a hollow operating cap (103) for operating the drawing and dispensing means (102); a dispensing nozzle or spout (104) provided with a dispensing duct (105) fixed to the operating cap (103). The dispensing nozzle or spout (104) can be switched through a rotary movement between a first dispensing position and a second non-dispensing position. The operating cap (103) and the dispensing nozzle or spout (104) are shaped in such a way as to respectively define a first stop surface (107) and a second stop surface (108); in the dispensing position the first and the second stop surfaces (107, 108) are arranged against each other.