Spray Gun Control Assembly for Quick Water Discharge

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Solution Overview

Problem

Existing horticultural spray guns require cumbersome operation for water discharge adjustment and are prone to blockages and leaks due to complex structures, making them difficult to use and maintain.

Innovation Solution

A spray gun design with a control assembly featuring a knob, vertical baffle plate, connecting shaft, and stopper that allows for direct water discharge without adjustment, simplifying operation and reducing the risk of damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If existing spray guns include adjustable components for water discharge control, then water flow can be regulated, but the operation becomes cumbersome and time-consuming

Engineering Contradiction:
Improvewater discharge controlVSAvoidadjustment time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent removes the adjustable control components from the spray gun design. By extracting the regulation mechanism entirely, the spray gun provides direct water discharge without requiring any adjustment operations, thus eliminating the time loss associated with fine-tuning while maintaining ease of operation.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of providing adjustable components that require operation, the invention inverts the approach by designing a spray gun with fixed, pre-optimized water discharge characteristics that require no user adjustment, thereby solving the contradiction between operability and time consumption.

Inventive Principle:
Principle #13The other way round (Inversion)

2Ease of operation

If existing spray guns have complex adjustable structures, then water discharge can be fine-tuned, but maintenance and cleaning become difficult

Engineering Contradiction:
Improvewater discharge adjustmentVSAvoidcleaning and maintenance
Core Design Contradiction:
Ease of operationVSEase of repair

Solution Approach 1:

The patent extracts and removes all adjustable control components from the spray gun structure. This elimination of complex mechanisms directly improves ease of repair and cleaning, as the simplified structure has fewer parts that can clog or require maintenance while still providing functional water discharge capability.

Inventive Principle:
Principle #2Taking out (Extraction)

3Measurement precision

If existing spray guns include multiple adjustable parts, then water flow can be controlled precisely, but the risk of blockage and leakage increases

Engineering Contradiction:
Improvewater discharge controlVSAvoidblockage and leakage resistance
Core Design Contradiction:
Measurement precisionVSReliability

Solution Approach 1:

By removing all adjustable control parts from the design, the patent eliminates the components that are prone to blockage and leakage. The simplified structure with no moving parts or adjustment mechanisms inherently improves reliability while maintaining sufficient water discharge functionality for horticultural purposes.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS20250345815A1Spray gun with convenient and quick water discharge
Publication Date: 2025.11.13 CIXI TIAN SHUO IND TRADE CO LTD
  • US20250345815A1 patent drawing
  • US20250345815A1 patent drawing

AI summary

Provided is a spray gun with convenient and quick water discharge, belonging to the technical field of horticultural irrigation tools, including a water spray gun body, a handle, a water inlet pipe and a nozzle. One end of the water spray gun body is movably connected to one end of the handle, the water spray gun body is fixedly connected to the water inlet pipe, the other end of the water spray gun body is fixedly connected to the nozzle, the water inlet pipe is positioned between the handle and the nozzle, the water spray gun body is internally provided with a control assembly, the control assembly is configured to control water flow in the water inlet pipe, and the control assembly passes through the handle and the water spray gun body and extends to the interior of the water spray gun body.