Magnetic Drilling Guard With Damping for Surface Protection

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Drilling machines often damage sensitive surfaces like hollow tile walls or wooden surfaces due to high rotational speed or contact pressure, requiring careful operation to minimize damage but not effectively preventing damage.

Innovation Solution

A drilling guard with a disk-shaped damping member made of shock-absorbing material and a magnetic retaining member that securely attaches to the drill head, absorbing impacts and preventing damage by distributing forces over a larger area.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If drilling is performed at high rotational speed or with high contact pressure, then drilling productivity is improved, but damage to the drilling surface occurs

Engineering Contradiction:
Improvedrilling speedVSAvoiddamage to drilling surface
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

A damping member made of shock-absorbing material is introduced as an intermediary between the drilling machine and the drilling surface. This damping member absorbs impact forces and distributes them over a larger area, preventing direct transmission of harmful forces to the drilling surface while allowing high-speed drilling to continue

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The damping member is positioned in advance between the drilling machine and the drilling surface to cushion against potential impacts before they occur. This preventive measure allows operators to drill at higher speeds without worrying about surface damage, as the cushioning effect is already in place

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

2Object-affected harmful factors

If a damping member is added to protect the drilling surface, then surface protection is improved, but device complexity increases

Engineering Contradiction:
Improveprotection of drilling surfaceVSAvoidcomplexity of drilling machine
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The damping function is extracted as a separate, removable component that can be independently attached to the drilling machine. This allows the protection function to be added without permanently modifying or complicating the drilling machine's core structure, maintaining simplicity while providing surface protection

Inventive Principle:
Principle #2Taking out (Extraction)

3Object-affected harmful factors

If a damping member is added to protect the drilling surface, then surface protection is improved, but installation time increases

Engineering Contradiction:
Improveprotection of drilling surfaceVSAvoidinstallation time
Core Design Contradiction:
Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The damping member is designed as a separate, removable component that can be quickly attached and detached from the drilling machine. This extraction approach allows for rapid installation and removal without requiring complex assembly procedures or permanent modifications to the drilling machine

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The magnetic retaining member replaces traditional mechanical fastening systems (screws, clips, adhesives) with magnetic attraction. This substitution enables tool-free, rapid attachment and detachment of the damping member, significantly reducing installation time while maintaining secure fixation during drilling operations

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 drilling guard effectively prevents tearing, scratching, or breaking of drilling surfaces during high-speed operations, ensuring reliable protection and easy installation/removal, while maintaining operational efficiency of the drilling machine.

Implementation Method 1

a magnetic retaining member which is configured to magnetically fix the disk-shaped damping member to the drilling head during operation of the drilling machine

Methodology Applied
Scientific EffectMagnetic force: Magnetism

Implementation Method 2

a disk-shaped damping member formed at least partially or completely of a shock-absorbing material

Methodology Applied
Scientific EffectShock absorption: Damping

Implementation Method 3

absorbing impacts and preventing damage by distributing forces over a larger area

Methodology Applied
Scientific EffectImpact force distribution: Impact Force

Data Source

PatentUS20240261875A1Drilling guard
Publication Date: 2024.08.08 POLLNER CHRISTIAN
  • US20240261875A1 patent drawing
  • US20240261875A1 patent drawing

AI summary

A drilling guard is provided for mounting on a drill head or a drill chuck of a drilling machine, in particular a cordless drill, for protecting the drilling surface against damage during drilling. A method for producing a borehole by using a drilling machine and the drilling guard is also provided.