Built-in electric inflation pump
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Solution Overview
Problem
Existing built-in electric air pumps for inflating products face issues such as complex operations, poor airtightness, high pressure loss, numerous components, large dimensions, and high manufacturing costs, making them inefficient and costly to produce.
Innovation Solution
A built-in electric air pump with an air passage switching device featuring three variable positions for air flow, a slider mechanism, and a motor-driven system that simplifies inflation, deflation, and shutdown operations, reducing component count and manufacturing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an air passage switching device with multiple positions is used to enable inflation, deflation, and shutdown functions, then the functionality and ease of operation are improved, but the device complexity and number of components increase
Solution Approach 1:
The air passage switching device uses a single multi-position switch (handwheel) that performs multiple functions: controlling inflation, deflation, and shutdown operations. This one-component multi-functional design improves ease of operation while avoiding the need for separate control mechanisms for each function, thereby limiting the increase in device complexity
Solution Approach 2:
The patent combines the power switch and air passage switching functions into a single integrated handwheel mechanism. The handwheel simultaneously controls both the power supply to the motor and the air passage configuration, merging multiple control functions into one component to reduce overall device complexity while maintaining comprehensive operational control
2Ease of operation
If a built-in electric air pump is installed in inflating products to save effort and time, then the ease of operation is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent extracts and eliminates unnecessary intermediate components from the air passage system. By using a direct multi-position switching mechanism without complex valves or multiple separate control devices, the design simplifies the overall structure while maintaining the ability to perform inflation, deflation, and shutdown functions, thereby reducing device complexity despite the added functionality of being built-in
Solution Approach 2:
The integrated handwheel switch performs multiple control functions (power on/off, inflation, deflation) through a single component, making the built-in pump system easier to operate while minimizing the increase in device complexity through functional consolidation
3Adaptability or versatility
If an air passage switching device with multiple components is used to control air flow, then the functionality is improved, but the airtightness performance deteriorates
Solution Approach 1:
The patent merges the air passage control functions into a unified switching mechanism where the handwheel directly controls air flow paths without requiring multiple separate valves or connectors. This reduction in the number of potential leakage points maintains airtightness while still providing comprehensive control over inflation, deflation, and shutdown operations
Solution Approach 2:
The design removes unnecessary intermediate components and direct connection points from the air passage system. By using a streamlined switching mechanism with fewer seals and connectors, the patent maintains better airtightness while retaining full functionality through the multi-position handwheel control
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 solution enables efficient switching between inflation, deflation, and shutdown, improving airtightness, reducing component count, and lowering manufacturing costs, resulting in a more user-friendly and cost-effective built-in air pump.
Implementation Method 1
an air pump (5), wherein the air pump (5) includes a blade cap (51) fixedly connected to the pump casing (1), a blade (55) provided within the blade cap (51), and a motor (56) provided within the chamber of the pump casing (1)
Data Source
Figure 1~3
Figure 4~5
Figure 6~7
AI summary
A built-in electric air inflation pump, comprising a pump casing (1), a switching handwheel (2), a connecting tube (3), an air passage switching device (4), an air pump (5), an air valve (6), and a power switch (7); the pump casing (1) is a box-shaped cavity; the switching hand wheel (2) is disposed outside a panel; the air passage switching device (4) is provided with an inner pipe (41); the upper and lower ends of the inner pipe (41) are respectively an opening I (411) and an opening II (412); the opening I (411) communicates with the space outside the object being inflated; the opening II (412) communicates with the air valve (6); a separation plate (413) is disposed within the inner pipe (41); a first vent hole (414) and a second vent hole (415) are respectively disposed in the pipe walls of two segments of the inner pipe (41) below and above the separation plate (413); an outer sleeves (42) is disposed outside the inner pipe (41) ; the lower end of the outer sleeve (42) is fixedly connected to the pump casing (1), and correspondingly communicates with the air valve (6); the pipe wall of the outer sleeve (42) is provided with air outlet holes (423, 424) communicating with the air inlet hole (52) of the air pump (5) and provided with air inlet holes (425, 426) connected to the air outlets (53, 54) of the air pump (5); the upper end of the connecting tube (3) is connected to the switching hand wheel (2), and the lower end of the connecting tube (3) is sleeved on the upper end of the inner pipe (41); the separation plate (413) of the inner pipe (41) contacts a valve rod (65) of the air valve (6), and applies an external force to open the air valve (6); and an arc-shaped sheet on the inner pipe (41) is contacted by the power switch (7) for linkage.