Dual-Rotation Fluid Dispenser Blocking Mechanism
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Solution Overview
Problem
Existing dispensing devices for fluids lack reliable blocking mechanisms, leading to unintentional actuation and safety concerns, particularly for children, as they can be easily unlocked and result in accidental fluid discharge.
Innovation Solution
A dispensing device with at least two blocking sections that can be rotated relative to the fastening section to block actuation, eliminating the need for simultaneous actuation of the actuating section, thereby preventing unintentional fluid discharge, and incorporating a child safety mechanism with multiple discrete positions to secure the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single blocking section is used to prevent unintentional actuation, then the device is protected against accidental activation during transport, but the blocking mechanism can still be easily overcome by small children through trial and error
Solution Approach 1:
The blocking mechanism is divided into multiple independent blocking sections (first blocking section and second blocking section) that must both be simultaneously overcome to activate the device. Each blocking section can be independently rotated to a blocking position, creating a segmented security system that significantly increases the difficulty of accidental or unauthorized activation while maintaining simple individual component design
2Reliability
If the actuating section is designed to be simultaneously pressed and turned to unlock, then unintentional fluid release during unlocking is prevented, but the unlocking process becomes more complex and requires coordinated actions
Solution Approach 1:
The unlocking function is segmented into two independent operations: rotating the actuating section to align the circumferential contours, and simultaneously pressing the actuating section to overcome the blocking sections. This segmentation allows each action to be simple in itself while their combination provides reliable control, reducing the need for complex interlinked mechanisms
3Ease of operation
If only locked and unlocked settings are provided in the blocking mechanism, then the device can be easily activated when needed, but unintentional unlocking remains possible during transport
Solution Approach 1:
The blocking mechanism uses multiple blocking sections that can each be independently positioned, creating multiple discrete blocked positions rather than a simple binary locked/unlocked state. This segmentation provides numerous intermediate blocking positions during transport while maintaining a single clear activation position where all blocking sections are simultaneously overcome
Solution Approach 2:
The blocking mechanism incorporates rotational positioning of blocking sections relative to the mounting section, adding a rotational dimension to the blocking control. This creates multiple angular positions where blocking can occur, transforming a simple linear locked/unlocked mechanism into a multi-dimensional security system with numerous blocked positions
Data Source
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AI summary
A dispensing device for fluids from a fluid reservoir is proposed. The dispensing device comprises a mounting section, a first locking section, and an actuating section. The dispensing device can be locked by rotating the mounting and actuating sections. To enable more reliable locking of the dispensing device, the device also includes a second locking section. Rotating this second locking section relative to the mounting section also locks the dispensing device.