Tangential Opening Water Spray Gun Prevents Blockages
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Solution Overview
Problem
Conventional water spray guns for gardening often experience blockages due to small, angular water distribution holes, leading to reduced effectiveness and increased maintenance costs.
Innovation Solution
The water spray gun features a surface cover with annular flanges having tangential openings instead of inclined openings, allowing water to flow smoothly and reducing the likelihood of blockages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If inclined openings are used in the water distribution member, then water can be rotated and sprayed in the form of fog, but the small angular openings are easily blocked
Solution Approach 1:
The invention inverts the conventional design by placing the tangential opening in the flange at the spray outlet end rather than in the water distribution member. This reversal allows water to enter through a larger, smoother tangential opening and be rotated by the flange structure itself, eliminating the blockage problem of small angular openings while maintaining the fog spray effect.
Solution Approach 2:
The flange is designed with a curved surface that guides water flow tangentially. The curved geometry of the flange and its tangential opening create a smooth flow path that prevents water from stagnating or blocking, while the curvature generates rotational motion for fog spray formation.
2Reliability
If inclined openings are used in the water distribution member, then water spray function is achieved, but the water spray gun is easily damaged and has high cost
Solution Approach 1:
The invention relocates the water rotation and spray generation function from the water distribution member to the flange at the spray outlet. This inversion protects the water distribution member from damage while the flange, designed with a robust tangential opening, handles the high-velocity water flow and rotational spray generation.
Solution Approach 2:
The flange is specifically designed with local structural features including the tangential opening positioned at the optimal location for generating rotational spray. This localized design concentrates the spray generation function in a durable component that can withstand water pressure and prevent blockages.
3Productivity
If conventional water distribution holes are used, then water distribution is achieved, but blocking occurs reducing effectiveness
Solution Approach 1:
The invention extracts the water rotation and spray generation function from the water distribution member and transfers it to the flange structure. The water distribution member retains only its distribution function with simple holes, while the flange with its tangential opening handles the rotation and spray formation, separating functions to improve both efficiency and blockage resistance.
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
This design enhances the longevity of the water spray gun by preventing blockages and lowering maintenance costs, resulting in a more reliable and cost-effective gardening tool.
Implementation Method 1
When the water flows to the tangential opening and then enters the flange to be rotated and sprayed out through the spray orifices
Data Source
AI summary
A spray structure of a water spray gun is formed on a surface cover of the water spray gun. The surface cover is formed with a plurality of spray orifices. The inner side of the surface cover is formed with annular flanges each corresponding to the edge of each spray orifice. Each flange is formed with a tangential opening. The surface cover of the present invention is formed with the tangential opening instead of the inclined opening of the water distribution member of the prior art. When the water flows to the tangential opening and then enters the flange to be rotated and sprayed out through the spray orifices. The tangential opening of the present invention is flat and smooth and won't be blocked. The water spray gun won't be damaged easily and has a long service life. The cost is reduced.