Two-Piece Pole Holder With Threaded Base and Embedded Insert
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Solution Overview
Problem
Existing pole holders for outdoor umbrellas and volleyball nets lack sufficient stability, causing poles to easily move or fall over in high winds or when hit by force, especially in water-based applications.
Innovation Solution
A pole holder system comprising an embeddable insert in soil or concrete with a removably connected base via a threaded connection, providing increased stability through a snug fit and optional grounding screw for safety, and a thumb screw for added support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional base is used to hold the pole, then the structure is simple, but the pole easily moves or falls over in high winds or when hit by force
Solution Approach 1:
The pole holder is divided into two separate components: an insert that is embedded into the ground or concrete to provide stable anchoring, and a base that attaches to the insert and holds the pole. This segmentation allows each component to perform its specific function optimally—the insert provides deep anchoring resistance while the base provides pole retention—thereby solving the contradiction between simplicity and stability.
Solution Approach 2:
The anchoring function is extracted from the traditional single-piece base and implemented through a separate insert that is embedded into the ground or concrete. This extracted insert provides the necessary anchoring stability independently, while the base focuses on holding the pole, thereby resolving the instability issue without excessive complexity.
2Adaptability or versatility
If the base is permanently fixed to the insert, then the structure is more stable, but the base cannot be removed for maintenance or relocation
Solution Approach 1:
The connection between the base and insert transitions from a static permanent fixture to a dynamic removable connection. The threaded connection allows the base to be securely attached when needed for stability, yet easily removed for maintenance or relocation. This dynamic capability resolves the contradiction between adaptability and connection stability.
3Adaptability or versatility
If the pole holder is designed for water-based installations, then it provides versatility for different applications, but it requires additional grounding measures for safety compliance
Solution Approach 1:
The insert is designed to serve multiple functions: it anchors the base in various environments (soil, concrete, water), provides structural support, and serves as a grounding point for electrical safety in water-based installations. This multi-functionality allows the same component to handle both the versatility requirement and the additional grounding compliance requirement without increasing overall system 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
The system significantly reduces pole movement and dislodgement, ensuring stability even in high winds and forceful impacts, while being NEC compliant for water-based installations.
Implementation Method 1
The threaded connection between the base and insert provides mechanical fastening through friction and thread engagement, preventing dislodgement
Implementation Method 2
optional grounding screw for safety, and a thumb screw for added support
Data Source
AI summary
A two-piece pole holder includes an insert and a base. The insert is embedded within soil or concrete. The base is threadingly connected to the top of the insert to form the pole holder. The insert has a solid bottom end for receiving a pole. The bottom end of the insert can also include a drain opening for allowing water to drain. The pole can be an outdoor umbrella pole or volleyball net poles. The inner diameter and height of the insert and the base are selected such that improved stability is provided to the pole such that the pole does not tip over in strong winds. The pole holder can be installed in a water feature, such as a swimming pool.