Reusable Spray Bottle with Piston Sealing and Exhaust Duct
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Solution Overview
Problem
Current portable spray bottles are inconvenient to carry, contribute to environmental pollution due to disposability, and often leak or are complex in design, making them inefficient and wasteful.
Innovation Solution
A portable chargeable spray bottle design featuring a nozzle assembly, a stepped liquid charging mouth, a piston with sealing rings, and an exhaust structure that includes an air duct and sealing rings to prevent leaks and facilitate easy charging and use, allowing for miniaturization and reuse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If disposable spray bottles are used, then convenience is improved, but environmental pollution and material waste increase
Solution Approach 1:
The spray bottle is designed as a reusable system where the liquid container can be emptied and refilled multiple times. The pump mechanism and nozzle assembly are permanently attached to the container, creating a durable housing that is discarded only after extensive use, thereby reducing waste compared to single-use bottles.
Solution Approach 2:
The spray bottle housing serves multiple functions: it stores liquid, provides structural support, and houses the pump mechanism. The container can be refilled with different liquids, making it a universal vessel that reduces the need for multiple single-purpose bottles.
2Quantity of substance
If large spray bottles are used, then liquid capacity is improved, but portability deteriorates
Solution Approach 1:
The spray bottle system separates the liquid storage function from the pump mechanism. The container can be detached and refilled independently, allowing users to carry only the lightweight pump and nozzle assembly while refilling liquid at destination, thus improving portability without sacrificing capacity.
3Adaptability or versatility
If complex charging structures are used, then charging functionality is improved, but device complexity and leakage risk increase
Solution Approach 1:
The pump mechanism is extracted as a separate, reusable component that can be attached to and detached from the liquid container. This separation simplifies the charging structure by eliminating the need for complex integrated sealing mechanisms, while still providing refilling functionality through a simple attachment interface.
4Device complexity
If simple exhaust structures are used, then device complexity is reduced, but leakage and reliability problems increase
Solution Approach 1:
A valve mechanism acts as an intermediary between the liquid container and the pump system, controlling fluid flow and preventing leakage. This simple valve component provides reliable sealing without requiring complex multi-part assemblies, maintaining both simplicity and reliability.
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
The design enables a leak-free, easy-to-carry, and reusable spray bottle that can withstand negative pressure, reducing waste and environmental impact while providing quick charging and aesthetic appeal.
Implementation Method 1
a compression spring resetting the piston is fitted on the piston. As well, the spring is equipped between the first step surface of stepped liquid charging mouth and that of protuberant piston. The piston is pushed downwards by the spring and the stop block is driven to compress the first sealing ring to perform static sealing towards the inner bottle
Implementation Method 2
The dynamic sealing is formed by the second sealing ring in the groove at the bottom of piston and exhaust hole. That is, when charging, the second sealing ring moves upwards driven by the piston and separates from exhaust hole 26, so that, the air duct is directly connected with atmosphere; the second sealing ring is compressed in the exhaust hole 26 in normal status, and the air duct is blocked from atmosphere, thus forming sealing
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
A portable chargeable spraying bottle has an inner bottle (2), a nozzle assembly (1) equipped on the upper inner part of the inner bottle and a charging liquid structure placed at the bottom of the inner bottle. The charging liquid structure includes a charging liquid mouth (21) placed at the bottom of the inner bottle and a protuberant mandril (5) equipped on the charging liquid mouth. The mandril is located with a liquid charging passage (51) and a discharge opening (510) is located at the top of the liquid charging passage. Furthermore the inner bottle is connected with an exhausting structure. The inventive spraying bottle is convenient for carrying and can be used for recycling charging liquid, thus saving the cost and protecting environment.