Liquid Spraying Brush Head Mounting Structure for Secure Detachment
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Solution Overview
Problem
Existing liquid spraying brushes require inconvenient and prone-to-mistake disassembly of the brush head, necessitating separate handling of the brush and cleaning liquid, and risk accidental detachment during use.
Innovation Solution
A brush head mounting structure with a connecting base and mounting base featuring a slider, sliding groove, elastic arms, and limiting structures to facilitate easy assembly and disassembly, preventing accidental unlocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the positioning fixture block is provided outside the plug-in slot to enable disassembly, then the brush head can be detached, but it becomes prone to accidental triggering during use
Solution Approach 1:
The positioning protrusion is nested within the elastic arm, which is received inside the sliding groove of the mounting base. This nested configuration protects the positioning mechanism from external accidental triggering while maintaining its function for intentional disassembly through slider movement.
Solution Approach 2:
The elastic arm acts as an intermediary between the positioning protrusion and the external environment. It transmits the deliberate pressing force from the slider to release the positioning protrusion from the groove, while preventing accidental triggering during normal brush usage.
2Ease of operation
If the positioning fixture block is pressed to unlock the brush head, then disassembly is achieved, but the operation becomes inconvenient requiring multiple steps
Solution Approach 1:
The disassembly function is merged into a single sliding motion of the slider. The slider simultaneously presses the elastic arm to release the positioning protrusion and guides the brush head outward, combining multiple actions into one convenient operation.
Solution Approach 2:
The elastic arm provides dynamic response to the slider pressing action, automatically compressing and releasing the positioning protrusion. This dynamic mechanism converts a simple pressing motion into the complete unlocking and disassembly sequence, reducing operational complexity.
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
Enables simple and secure brush head replacement without accidental detachment, reducing manufacturing costs and user inconvenience.
Implementation Method 1
both sides of the mounting base corresponding to the sliding groove are provided with elastic arms, the position of the mounting base corresponding to the elastic arm is provided with an avoidance space for the elastic arm to expand outwards
Data Source
AI summary
A brush head mounting structure of a liquid spraying brush, includes a connecting base provided at the end of a handle and a mounting base provided on a brush head; the other side of the connecting base with respect to the handle is provided with a slider, one side of the mounting base adjacent to the connecting base is provided with a sliding groove in sliding fit with the slider, a limiting structure is provided between the connecting base and the mounting base, the limiting structure is capable of limiting the connecting base and the mounting base along the sliding direction perpendicular to the slider, both sides of the mounting base corresponding to the sliding groove are provided with elastic arms, the position of the mounting base corresponding to the elastic arm is provided with an avoidance space for the elastic arm to expand outwards.