Modular Meter Assembly Tool-less Interlocking Design
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Solution Overview
Problem
Existing agricultural product delivery systems require multiple meter assemblies of different sizes to achieve varying flow rates, leading to increased complexity, cost, and material waste due to the need for specialized tooling and inventory.
Innovation Solution
A modular meter assembly system with interlocking features allows for tool-less assembly of meter units to form different sized assemblies, using a tubular sleeve for structural support and snap-lock connections to ensure alignment and prevent rotation, reducing the need for specialized tooling and inventory.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple meter assemblies of different sizes are provided to achieve varying flow rates, then flow rate variability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The meter assembly is divided into identical modular meter units that can be connected in series. Each meter unit is a self-contained module with standardized connection features, allowing different flow rates to be achieved by varying the number of units in the assembly rather than manufacturing different sized assemblies.
Solution Approach 2:
A single standardized meter unit design serves multiple functions by being configurable in different quantities to achieve various flow rates. The universal connection system allows the same basic unit to be assembled into different configurations for different agricultural applications.
2Strength
If traditional meter assemblies with continuous housings are manufactured, then structural integrity is improved, but material waste and manufacturing cost increase
Solution Approach 1:
The continuous housing is segmented into discrete meter units with standardized connection interfaces. This segmentation allows for reduced material usage in each individual unit while maintaining overall structural integrity through precise interlocking mechanisms between units.
Solution Approach 2:
The meter units are designed to nest or interlock through standardized connection features, creating a compact assembled structure that minimizes material requirements compared to traditional continuous housings while preserving structural strength.
3Manufacturing precision
If specialized tooling is used for different meter assembly sizes, then manufacturing precision is improved, but manufacturing cost and complexity increase
Solution Approach 1:
A single universal mold and tooling set is used to manufacture all meter units, eliminating the need for specialized tooling for different assembly sizes. The standardized connection features ensure that the same precision-machined components can be assembled into different configurations without requiring size-specific tooling.
4Adaptability or versatility
If inventory is maintained for different meter assembly sizes, then flow rate requirements are met, but inventory complexity and cost increase
Solution Approach 1:
Instead of maintaining inventory of different complete meter assembly sizes, the system segments the assembly into identical modular units. This allows customers to configure the exact number of units needed for their flow rate requirements from a single standardized inventory item, reducing inventory complexity.
Data Source
AI summary
Modular meter units for distributing particulate material from an applicator can be configured to combine with each other without the use of tools to provide specific meter assembly lengths based on desired flow rates. In one aspect, modular meter unit housings with interlocking features can provide build options for assembling different sized meter assemblies. The modular meter unit housings can allow stacking and connecting multiple adjacent meter units to make a meter assembly of a particular length/volume/flow rate. Each meter unit housing can have a longitudinal bore that opens through opposing end walls and define a cylindrical cavity or chamber that can receive a cylindrical/tubular sleeve or liner. Matching openings on opposite top/bottom walls of the modular meter unit housing can align with openings of the liner to define an inlet and outlet for the meter unit.