Portable Air Pump With Locking Foldable Footrest
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Solution Overview
Problem
Portable air pumps face challenges such as complex assembly, lack of easy-to-read pressure gauges, nozzle obstruction, and difficulty in inflating tires due to the need for one-handed operation.
Innovation Solution
A portable air pump design featuring a cylinder, joint seat, support seat, positioning mechanism, and foldable footrest, allowing for easy assembly, clear pressure indication, and two-handed operation with a stable footrest for efficient inflation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If the portable air pump is designed with a compact shape for easy portability, then portability is improved, but the assembly becomes laborious and complex
Solution Approach 1:
The portable air pump is divided into multiple modular components including a pump body, a detachable footrest assembly, and a separate positioning mechanism. Each component can be independently manufactured and assembled, reducing the overall assembly complexity while maintaining a compact form factor when assembled.
Solution Approach 2:
The footrest is designed to be nested within or attached to the pump body structure, with the positioning mechanism integrated into the footrest assembly. This nesting approach allows multiple components to occupy minimal space when assembled, improving portability without proportionally increasing assembly complexity.
2Weight of moving object
If the portable air pump is designed with a compact shape for easy portability, then portability is improved, but the operation becomes inconvenient
Solution Approach 1:
The footrest is designed with a movable connection to the pump body, allowing it to be adjusted between different angular positions. This dynamic adjustment enables the footrest to be positioned optimally for user comfort during operation, improving ease of operation while maintaining a compact form when not in use.
Solution Approach 2:
The positioning mechanism is pre-configured with multiple angular positions that can be selected before operation begins. This preliminary positioning allows users to set up the pump in the most convenient configuration before starting inflation, improving operational convenience without requiring complex adjustments during use.
3Productivity
If the air nozzle is connected to the tire valve, then inflation function is achieved, but the connection is easily obstructed by external objects such as rim spokes
Solution Approach 1:
The pump is designed with an extended arm or positioning mechanism that allows the air nozzle to be positioned at different angles and distances from the tire valve. This dimensional adjustment enables the user to orient the connection away from potential obstructions like rim spokes, maintaining inflation function while avoiding obstruction.
4Ease of operation
If the user holds the cylinder with one hand and the handle with the other hand, then inflation operation is possible, but it becomes tiring
Solution Approach 1:
The footrest is designed to support the user's foot during operation, providing a stable platform that reduces the need for continuous hand adjustments and decreases overall user effort. The positioning mechanism automatically maintains optimal angles, allowing the user to operate the pump with less physical strain.
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
Facilitates easy assembly, provides clear pressure readings, and enables efficient tire inflation with reduced obstruction, enhancing user convenience and operational stability.
Implementation Method 1
a biasing member arranged between a surface of the receptacle and the positioning member. The positioning member is biased by the biasing member and detachably engagable with the first positioning portion
Implementation Method 2
The footrest is folded out when the positioning member is engaged with the first positioning portion and adapted to be folded toward the inflating mechanism when the positioning member is disengaged from the first positioning portion
Data Source
AI summary
A portable air pump includes an inflating mechanism, a joint seat disposed on a cylinder of the inflating mechanism, a support seat pivotally coupled to the joint seat, a positioning mechanism pivotally coupled to the support seat, and a footrest is coupled to the support seat. The joint seat has a joint end including a positioning portion and a groove. The support seat includes a connection pivotally received by the groove and has a receptacle. The positioning mechanism includes a positioning member pivotally engaged in the receptacle and a biasing member. The positioning member is biased by the biasing member and detachably engagable with the positioning portion. The footrest is folded out when the positioning member is engaged with the positioning portion and adapted to be folded toward the inflating mechanism when the positioning member is disengaged from the positioning portion.