Spray Gun Outlet Control Structure for Hands-Free Water Flow

Solution Overview

Problem

Conventional water spray guns require continuous manual pressing, leading to hand fatigue, discomfort, and increased risk of joint pain and soft tissue injury due to prolonged use.

Innovation Solution

A water outlet control structure with a rotatable water spray gun head and a movably connected clamping piece, featuring sliding grooves and limiting blocks, allows for automatic operation and reduced manual intervention by enabling flexible control of water flow.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If continuous pressing of the spray head handle is required to maintain water flow, then water can be constantly sprayed for irrigation, but hand fatigue and discomfort increase due to prolonged muscle contraction

Engineering Contradiction:

Improvecontinuous irrigation capabilityVSAvoidhand fatigue

Core Design Contradiction:

ProductivityVSEase of operation

Solution Approach 1:

The patent implements periodic action through an automatic reciprocating mechanism that alternates between pressing and releasing the spray head handle. The clamping piece with sliding grooves and limiting blocks creates a rhythmic pressing cycle, allowing the spray gun to maintain water flow without requiring continuous manual pressing, thus reducing hand fatigue while preserving irrigation productivity

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The patent applies self-service by designing an automatic reciprocating mechanism that performs the pressing action without continuous human intervention. The clamping piece, sliding grooves, and limiting blocks form a self-actuating system that automatically presses and releases the spray head handle in sequence, enabling the system to maintain water flow autonomously and eliminating the need for sustained manual effort

Inventive Principle:

Principle #25Self-service

2Productivity

If continuous pressing of the spray head handle is required to maintain water flow, then water can be constantly sprayed, but the risk of joint pain and soft tissue injury increases

Engineering Contradiction:

Improvecontinuous irrigation capabilityVSAvoidjoint pain and soft tissue injury risk

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent implements periodic action through an automatic reciprocating mechanism that alternates between pressing and releasing the spray head handle. The clamping piece with sliding grooves and limiting blocks creates a rhythmic pressing cycle, allowing the spray gun to maintain water flow without requiring continuous manual pressing, thus reducing hand fatigue while preserving irrigation productivity

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The patent applies self-service by designing an automatic reciprocating mechanism that performs the pressing action without continuous human intervention. The clamping piece, sliding grooves, and limiting blocks form a self-actuating system that automatically presses and releases the spray head handle in sequence, enabling the system to maintain water flow autonomously and eliminating the need for sustained manual effort

Inventive Principle:

Principle #25Self-service

Data Source

PatentEP4647177B1Water outlet control structure of water spray gun

Publication Date: 2026.05.13 CIXI TIAN SHUO IND TRADE CO LTD

Figure 1
Figure 2
Figure 3

AI summary

Water outlet control structure of a water spray gun, the water spray gun head (10) is provided with a moving groove at a side wall; the moving groove includes a first sliding groove (13), a second sliding groove (14), a third sliding groove (15), a fourth sliding groove (16), a first limiting block (17) and a second limiting block (18); the clamping piece (12) is slidably connected to the moving groove.