Pipe Clamping Structure With Segmented Bending Zones

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Solution Overview

Problem

Existing clamping devices face challenges in transferring impact forces to nail-shaped extensions as the diameter of pipes or hoses increases, leading to deformation and increased manufacturing costs, as the bending radius of the central part makes it difficult to distribute forces effectively.

Innovation Solution

The clamping device features groove-shaped bending zones on the clamping limbs, which reduce the distance between clamping surfaces and separate the central part's connecting function from its striking role, allowing for optimized bending radii that maintain force transfer to nail-shaped extensions even with increasing pipe or hose diameters without increasing costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the bending radius of the central section is increased to accommodate larger pipe diameters, then the clamping device can fasten larger pipes, but the structural stability of the central section decreases making it difficult to transfer impact forces

Engineering Contradiction:
Improveadaptability to different pipe diametersVSAvoidstructural stability of central section
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The central section is segmented into multiple bending regions (first, second, third, and fourth bending regions) with different apex lines at different distances from the nail-shaped extensions. This segmentation allows each region to serve specific functions: some regions provide flexibility for larger pipe diameters while others maintain structural stability for force transfer during impact mounting.

Inventive Principle:
Principle #1Segmentation

2Strength

If the thickness of the steel sheet is increased to improve structural stability, then the force transfer capability improves, but the manufacturing cost increases

Engineering Contradiction:
Improveforce transfer capabilityVSAvoidmanufacturing cost
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

Different regions of the central section are designed with different geometric properties (different apex line distances) to provide locally optimized characteristics. This allows the structure to achieve both flexibility and strength without uniformly increasing material thickness, thereby avoiding increased manufacturing costs while maintaining force transfer capability.

Inventive Principle:
Principle #3Local quality

3Length of stationary object

If the bending radius of the central section is increased for larger pipes, then the distance between clamping legs increases, but the impact force transfer to nail-shaped extensions becomes progressively more difficult

Engineering Contradiction:
Improvedistance between clamping legsVSAvoidimpact force transfer
Core Design Contradiction:
Length of stationary objectVSForce

Solution Approach 1:

The central section is divided into multiple bending regions with apex lines at different distances from the nail-shaped extensions. This segmentation creates a hierarchical structure where outer bending regions provide the necessary span for larger pipes while inner bending regions maintain structural integrity for effective impact force transfer to the nail-shaped extensions.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3867553B1Clamping device
Publication Date: 2023.08.23 ANITA VEIDINGER

AI summary

The invention relates to a clamping device for fastening pipes or hoses to a structure (8), having two lateral, strip-shaped clamping legs (1a, 1b), which are oriented parallel to each other and have two mutually facing clamping faces for holding the pipe or hose (5), the two lateral clamping legs (1a, 1b) being connected via a strip-shaped middle part and each having at least one nail-like protrusion (6) at their free ends. According to the invention, the clamping legs (1a, 1b)<sb /> each merge into a central bending region (3) of the middle part via lateral bending regions (2a, 2b), wherein the vertex lines (S0) of the lateral bending regions (2a, 2b) and the vertex lines (Sm) of the central bending region (3) each run parallel to the transverse axis (Q) of the clamping legs (1a, 1b), and the vertex lines (So) of the lateral bending regions (2a, 2b) have a greater distance from the nail-like protrusions (6) than the vertex line (Sm) of the central bending region (3). <sb /> <sb /> <sb />