Support Foot Height Adjustment with Detachable Cap Ring

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Solution Overview

Problem

Existing support bases are time-consuming and complicated to assemble, with height adjustments often unintentionally changed during assembly, and prone to loosening under dynamic loads, especially in windy conditions.

Innovation Solution

A support base design where the connecting plates are assembled separately and the height adjustment device is detachably connected using a cap ring, allowing for easy height adjustment and prestressing of the system, enhancing its ability to absorb dynamic forces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the height adjustment device is integrated into the connecting plates during assembly, then the support foot can be assembled as a complete unit, but the assembly becomes time-consuming and complicated and height adjustment is difficult

Engineering Contradiction:
Improveassembly simplicityVSAvoidassembly time
Core Design Contradiction:
Ease of manufactureVSLoss of time

Solution Approach 1:

The support foot is divided into separate components: connecting plates and a height adjustment device. The connecting plates can be assembled independently and attached to the stand first, then the height adjustment device is separately attached to the connecting plate. This segmentation allows for simpler, faster assembly while maintaining adjustability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connecting plates are assembled and attached to the stand before the height adjustment device is attached. This preliminary assembly of the connecting plates simplifies the overall assembly process and allows the height adjustment to be performed as a separate, easier step afterward.

Inventive Principle:
Principle #10Preliminary action

2Manufacturing precision

If the height is set before assembly, then the support foot can be pre-configured, but the set height can be unintentionally adjusted during assembly and subsequent adjustment is difficult

Engineering Contradiction:
Improveheight setting accuracyVSAvoidheight stability
Core Design Contradiction:
Manufacturing precisionVSReliability

Solution Approach 1:

By separating the height adjustment device from the connecting plates, the patent allows the connecting plates to be assembled first without risk of unintended height changes. The height adjustment device can then be attached separately and adjusted precisely without affecting the stability of the assembled structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The height adjustment device is designed to be detachably attached to the connecting plate, allowing it to be adjusted after assembly. This dynamic attachment mechanism enables precise height setting while maintaining stability during operation, as the adjustment can be made without disassembling the entire structure.

Inventive Principle:
Principle #15Dynamics

3Ease of manufacture

If the support foot uses a fixed connection method, then the assembly is simple, but rapid load changes in wind can cause the height to adjust or the adjustment device to loosen

Engineering Contradiction:
Improveconnection simplicityVSAvoidresistance to dynamic loads
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The height adjustment device is designed with a detachable attachment to the connecting plate, allowing it to accommodate dynamic loads. The threaded rod and threaded adjustment sleeve mechanism provides a flexible yet secure connection that can handle rapid load changes in wind without loosening or unintended adjustment.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The threaded rod and threaded adjustment sleeve mechanism allows for controlled parameter changes in the height adjustment. The threading provides a friction-based lock that maintains stability under dynamic loads while still allowing for precise adjustment when needed, balancing simplicity and reliability.

Inventive Principle:
Principle #35Parameter changes

4Manufacturing precision

If the connecting plates are assembled together before attachment to the stand, then the structure is pre-configured, but the alignment of connection plates cannot be adjusted and assembly becomes complicated

Engineering Contradiction:
Improveconnection plate alignmentVSAvoidassembly complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The connecting plates are kept as separate components that can be attached to the stand independently before the height adjustment device is attached. This segmentation allows for easy alignment and adjustment of each connecting plate without complicating the overall assembly process.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connecting plates are attached to the stand as a preliminary step before the height adjustment device is attached. This preliminary action allows for simple alignment and secure attachment of the connecting plates, while the height adjustment device can be separately positioned and adjusted without affecting the alignment.

Inventive Principle:
Principle #10Preliminary action

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

Simplifies assembly, maintains accurate height adjustment, and increases the system's load-bearing capacity and resistance to dynamic loads by allowing for prestressing of the support foot and stand.

Implementation Method 1

the height adjustment device (5) has a threaded rod (7) and a threaded adjustment sleeve (8) for adjusting a length of the height adjustment device (5)

Methodology Applied
Scientific EffectThreaded engagement: Screw

Implementation Method 2

a cap ring (12) held by the flange (11) is arranged at the second end (10), and that the cap ring (12) is detachably connected to the second connecting plate (4)

Methodology Applied
Scientific EffectMechanical fastening: Mechanical Fastener

Data Source

PatentEP3009583B1Support foot
Publication Date: 2018.01.31 VH HLDG
  • EP3009583B1 patent drawingFigure 1~2
  • EP3009583B1 patent drawingFigure 3~5
  • EP3009583B1 patent drawingFigure 6~10

AI summary

In a support base (1) for supporting a stand (2), wherein the support base (1) has a first connecting plate (3), a second connecting plate (4) and a height adjustment device (5), wherein one of the connecting plates (3, 4) is provided for connection to the stand (2) and has a stand contact surface (6), it is proposed that the height adjustment device (5) has a threaded rod (7) and an adjustable threaded sleeve (8) for adjusting the length of the height adjustment device (5), that a first end (9) of the height adjustment device (5) is fixedly attached to the first connecting plate (3), in particular integrally, that a second end (10) of the height adjustment device (5) opposite the first end (9) has a flange (11), in particular a circumferential one, that a retaining ring (12) held by the flange (11) is arranged at the second end (10), and that the retaining ring (12) is detachably connected to the second connecting plate (4). is connected.