Manual Pumping Gun Gear Train for Strong Continuous Fluid Streams
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Solution Overview
Problem
Toy fluid pumping devices often require excessive strength to produce a strong fluid stream, can be safety hazards due to air chamber fatigue, and may necessitate electric motors that increase weight, complexity, and cost, while also introducing safety hazards from electricity and power sources.
Innovation Solution
A fluid pumping device with a housing, pump assembly, and crank assembly that includes a gear system with adjustable ratios and removable nozzles, allowing for efficient manual operation without a power source, enabling a continuous fluid stream and reducing safety risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If manual pumping is used to increase fluid stream strength, then fluid stream strength is improved, but user strength requirement increases
Solution Approach 1:
A gear train acts as an intermediary mechanism between the user's manual input and the pump. The gear train with ratio 15:1 or 4:1 multiplies the user's pumping force, allowing sufficient fluid stream strength to be generated without requiring excessive user strength. The gears transfer and amplify the mechanical force from the manual pump to the fluid delivery system.
Solution Approach 2:
The gear ratio parameter is optimized to transform the relationship between input force and output fluid stream strength. By selecting specific gear ratios (15:1 or 4:1), the system changes the mechanical advantage parameter to achieve strong fluid streams while keeping user effort within reasonable limits for children.
2Duration of action of moving object
If air chambers are used to provide continuous fluid stream, then continuous stream capability is improved, but safety hazard increases due to chamber fatigue and explosion risk
Solution Approach 1:
The dangerous air chamber component is completely removed from the system. Instead of using pressurized air chambers that can fatigue and explode, the invention uses a simple manual pump mechanism that directly delivers fluid in a continuous stream without requiring energy storage chambers. This extracts the harmful element while preserving the continuous stream function.
Solution Approach 2:
The manual pump mechanism allows the user to continuously operate the system without requiring pre-charged air chambers. The user directly controls the fluid delivery through repeated pumping actions, making the system self-sufficient without dangerous energy storage components.
3Duration of action of moving object
If electric motors are used to power the pump, then continuous fluid stream is improved, but device weight and complexity increase
Solution Approach 1:
The electric motor system is replaced with a purely mechanical manual pump system. Instead of using electrical components, batteries, and motor assemblies that increase complexity and weight, the invention uses a hand-operated pump mechanism driven by a crank and gear system. This substitution eliminates the need for power sources while maintaining continuous stream capability through user operation.
4Power
If electric motors and power sources are used, then pumping power is improved, but device cost increases
Solution Approach 1:
The invention replaces expensive electric motors and battery systems with inexpensive mechanical components. The manual pump uses simple, low-cost parts such as gears, crank mechanisms, and basic pump components that are much cheaper to manufacture and assemble than electrical systems, while still providing adequate pumping power for toy fluid delivery.
5Productivity
If electric devices with power sources are used, then pumping capability is improved, but safety hazard increases due to water-electricity combination
Solution Approach 1:
The electric pump system is replaced with a mechanical manual pump system. By substituting electrical components with mechanical ones, the invention eliminates the hazard of combining water with electricity while maintaining effective fluid pumping capability through user-powered mechanical action.
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 device allows for a continuous and adjustable fluid stream up to 45 feet, reducing user effort and safety concerns by eliminating the need for electricity and minimizing weight and complexity, while providing a cost-effective and safe operation.
Implementation Method 1
The pump assembly includes a first gear and a second gear where the first gear is larger in diameter than the second gear and wherein the gear ratio between the first gear and the second gear is 15:1
Implementation Method 2
the gear ratio between the first gear and the second gear is 15:1
Implementation Method 3
a crank assembly rotatably connected to the pump assembly wherein the crank assembly operates the pump assembly
Data Source
AI summary
A fluid pumping device is disclosed. The fluid pumping device includes a housing having a front end and a rear end, a fluid discharge opening in the front end of the housing, a pump assembly, a crank assembly rotatably connected to the pump assembly wherein the crank assembly operates the pump assembly, and a fluid storage reservoir connected to the gear housing from which fluid is drawn into the gear housing to be pumped through the fluid discharge opening.