Paint Can Adapter for Handheld Spray Devices
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Solution Overview
Problem
Handheld paint sprayers require users to pour paint from standard containers into a reservoir, which is inconvenient and necessitates frequent cleaning and handling of paint, especially when working with varying container dimensions.
Innovation Solution
An adapter that connects and seals industry standard paint cans directly to handheld spray devices, allowing the paint can to act as a reservoir, accommodating cans of different dimensions through a gasket and spacer insert, enabling seamless integration and eliminating the need for a secondary container.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users pour paint from standard containers into a reservoir, then paint can be applied, but the process is inconvenient and requires frequent cleaning
Solution Approach 1:
The adapter merges the paint can directly with the spray device by providing a connection interface that attaches the can to the device housing, eliminating the need for a separate reservoir and reducing handling steps
Solution Approach 2:
The adapter provides a universal connection interface that accommodates multiple container types and sizes through adjustable clamping mechanisms and interchangeable seals, allowing the same adapter to work with various paint can dimensions
2Adaptability or versatility
If a fixed reservoir is used in the spray device, then paint can be stored, but it cannot accommodate varying container dimensions
Solution Approach 1:
The adapter incorporates adjustable clamping arms with movable positioning mechanisms that can dynamically adapt to different container diameters, and interchangeable seal components that can be selected based on container type, providing versatility without requiring a completely different adapter for each size
Solution Approach 2:
The adapter is divided into modular components including the main body, clamping arms, seal elements, and mounting interface, allowing individual parts to be adjusted or replaced to accommodate different container specifications while keeping the overall structure manageable
3Productivity
If paint is poured from one container to another, then the spray device can be filled, but the original container cannot be reused
Solution Approach 1:
The adapter merges the paint can directly with the spray device, creating a continuous paint supply system that allows the original container to remain attached and reused by simply detaching and reattaching the adapter after the paint is depleted
Data Source
Figure 1A
Figure 1B
Figure 2A
AI summary
An adapter 14 allows direct connection of a handheld spray device 10 to paint cans 12, 12A, 12B, 12C, of varying dimensions. The adapter 14 includes a cage 60 for holding the paint can 12, 12A, 12B, 12C, a cap 62 that connects the cage 60 to the handheld spray device 10, and a gasket 64 that seals the open upper end of the paint can 12, 12A, 12B, 12C to the cap 62. The adapter 14 may also include a suction tube extension 66 that is connectable between the pump inlet 52 and the suction tube 54 of the spray device 10. A can spacer insert 200 is positionable in the cage 60 to elevate paint cans of varying heights so that the upper ring of the paint can engages the gasket 64.