Offset Hinge Assembly for Tool-Free Irrigation Facepack Rotation
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Solution Overview
Problem
Existing irrigation control boxes require complex and precise procedures for disconnecting and reconnecting facepacks, which can be cumbersome and time-consuming, often requiring precise alignment and manual manipulation of multiple components.
Innovation Solution
The irrigation control box incorporates an offset hinge assembly with a biasing mechanism, allowing for easy engagement and disengagement of the facepack from the base without tools, using a hinge assembly with a rotational attachment point and biasing structures like leaf springs to facilitate quick and tool-free attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional hinge assemblies are used for connecting facepack to housing base, then the connection is stable and secure, but the disconnection and reconnection process becomes complex and time-consuming requiring precise alignment and manual manipulation
Solution Approach 1:
The hinge assembly incorporates a self-aligning mechanism where the attachment structure automatically guides itself onto the hinge post during connection, eliminating the need for precise manual alignment. The biasing member provides automatic engagement force, allowing the facepack to be quickly connected and disconnected without complex manual manipulation procedures
Solution Approach 2:
The hinge assembly is divided into separate functional components: a hinge post fixed to the housing base, an attachment structure on the facepack, and a biasing member. This segmentation allows each component to perform its specific function independently, simplifying the overall connection mechanism while maintaining stability
2Reliability
If multiple components and precise alignment are required for hinge assembly, then the connection stability is improved, but the time required for assembly and disassembly increases
Solution Approach 1:
The biasing member is pre-loaded to provide continuous engagement force on the attachment structure, ensuring that the connection is maintained in a ready state. This preliminary action eliminates the need for repeated manual manipulation during assembly and disassembly operations, reducing time loss while maintaining connection reliability
Solution Approach 2:
The biasing member acts as an intermediary element between the attachment structure and the hinge post, providing automatic engagement force and ensuring stable connection without requiring multiple components or complex alignment procedures. This mediator simplifies the interaction while maintaining reliability
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
This design enables quick and easy rotation of the facepack relative to the base, simplifying the process of modifying irrigation parameters by allowing for easy access and disconnection without the need for precise alignment or manual manipulation, improving user convenience and efficiency.
Implementation Method 1
a first biasing portion configured to bias the first attachment structure to a first position in which the first attachment structure interferes with attachment to the at least one hinge post
Implementation Method 2
an offset hinge assembly including a hinge assembly frame defining a hinge assembly interior, a first attachment structure positioned at least partially within the hinge assembly interior and configured to releasably attach to the at least one hinge post, and a rotational attachment point
Data Source
AI summary
An irrigation control box can include a housing base having a first sidewall, a second sidewall, a top sidewall, a bottom sidewall, and a back wall. The box can include at least one hinge post. An offset hinge assembly can include a hinge assembly frame defining a hinge assembly interior, a first attachment structure positioned at least partially within the hinge assembly interior and configured to releasably attach to the at least one hinge post, and a rotational attachment point. A facepack can include at least one hinge point configured to mate with the rotational attachment point. In some cases, the facepack is configured to rotate about rotational attachment point of the offset hinge assembly with respect to the housing base when the housing base and facepack are each attached to the offset hinge assembly.