Fluid Spray Tip Securing Elements for Leak-Free Spray Patterns
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Solution Overview
Problem
Existing spray tips for fluid application systems face challenges in securely retaining tip pieces and pre-orifice elements, leading to potential leakage and inconsistent spray patterns.
Innovation Solution
The implementation of securing elements, such as swaging, rotatable driving, pressing, and peening tools, to securely retain tip pieces and pre-orifice elements within the receiving channel of the spray tip, forming a sealed fluid channel with variable geometry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional spray tip designs are used without securing elements, then the device complexity is reduced, but the reliability of fluid delivery deteriorates due to potential leakage and inconsistent spray patterns
Solution Approach 1:
The spray tip is divided into distinct functional components: a tip body, a separate tip piece, and securing elements. This segmentation allows each component to perform its specific function optimally while maintaining overall reliability through proper assembly and retention mechanisms.
Solution Approach 2:
Securing elements are pre-formed within the tip body structure, creating retention features before the tip piece is installed. This preliminary action ensures that when the tip piece is inserted, it is immediately and reliably retained, preventing leakage and maintaining spray consistency from the outset.
2Reliability
If securing elements are added to retain tip pieces, then the reliability of spray pattern consistency is improved, but the ease of manufacture deteriorates due to additional manufacturing steps
Solution Approach 1:
The securing elements are integrated into the tip body as a single unified structure rather than separate components. This merging of the tip body and securing elements into one piece reduces the number of parts to manufacture and assemble, thereby improving ease of manufacture while maintaining spray pattern consistency.
Solution Approach 2:
The tip body serves multiple functions: it contains the fluid passage, provides structural support, and incorporates securing elements for retaining the tip piece. This multi-functionality reduces the need for separate components, simplifying the manufacturing process while ensuring reliable spray pattern consistency.
3Reliability
If multiple securing elements are used to retain tip pieces and pre-orifice elements, then the reliability of component retention is improved, but the device complexity increases due to additional components
Solution Approach 1:
The retention system is segmented into multiple independent securing elements within the tip body, each responsible for retaining specific components (tip piece, pre-orifice element). This segmentation allows each securing element to be optimized for its specific retention function, improving overall component retention reliability.
Solution Approach 2:
The securing elements act as intermediary structures between the tip body and the components to be retained (tip piece, pre-orifice element). These intermediaries provide mechanical retention forces that ensure reliable component positioning and prevent leakage, while being integrated into the tip body structure to minimize overall device complexity.
Data Source
AI summary
A spray tip includes a tip body having a longitudinal axis and a receiving channel extending between a front and back of the tip body transverse to the longitudinal axis. The spray tip further includes a tip piece defining, at least, a first portion of a fluid channel, the fluid channel extending between an inlet and an outlet. The spray tip further includes a first securing element downstream of at least a portion of the tip piece and a second securing element upstream of the tip piece. The first securing element and the second securing element securing at least the tip piece within the receiving channel.