Utility Enclosure Locking Mechanism for Theft Prevention

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Solution Overview

Problem

Utility enclosures face issues with theft and vandalism due to lack of effective access control and security measures, as existing solutions fail to adequately prevent unauthorized access to the interior of these enclosures.

Innovation Solution

A utility enclosure design featuring a removable cover with a locking interface and a lock chamber, combined with an insert and flange configuration that limits access and includes a key access chamber, providing enhanced security through a secure locking mechanism and grounding feature, while allowing for easy maintenance access.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a removable cover is used for access to utility enclosures, then ease of operation for maintenance is improved, but security against theft and vandalism deteriorates

Engineering Contradiction:
Improveaccess for maintenanceVSAvoidtheft and vandalism
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The enclosure is divided into multiple components: a removable cover for access, a locking interface with separate lock chamber and key access chamber, and an insert with flange. This segmentation allows the cover to be easily removable for maintenance while the locking mechanism provides security when closed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The locking interface is pre-configured with a lock chamber and key access chamber, and the insert includes a flange designed to extend under the box wall. These preliminary structural preparations enable secure locking before maintenance is needed, preventing theft and vandalism while maintaining ease of access when required.

Inventive Principle:
Principle #10Preliminary action

2Object-affected harmful factors

If a locking mechanism is added to secure the enclosure, then security against theft and vandalism is improved, but device complexity deteriorates

Engineering Contradiction:
Improvetheft and vandalismVSAvoidlocking system structure
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The locking interface is merged with the cover structure, and the insert with flange is integrated into the enclosure system. This combining of functions reduces the number of separate components while maintaining security, thereby limiting the increase in device complexity.

Inventive Principle:
Principle #5Merging (Combining)

3Object-affected harmful factors

If the cover wall extends to surround insert side walls, then security and structural integrity are improved, but ease of operation for removal deteriorates

Engineering Contradiction:
Improveunauthorized accessVSAvoidcover removal
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The enclosure system is segmented into the cover with locking interface, the insert with flange, and the box. The flange extends under the box wall to provide structural support and security, while the cover remains a separate removable component that can be taken off for maintenance access.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cover is designed with a locking interface that includes a lock chamber and key access chamber, and the insert includes a flange that extends under the box wall. These preliminary structural preparations enable secure locking when the cover is in place, while allowing easy removal when the lock is disengaged for maintenance purposes.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS10479563B2Utility anti-theft enclosure
Publication Date: 2019.11.19 HUBBELL INC
  • US10479563B2 patent drawing
  • US10479563B2 patent drawing
  • US10479563B2 patent drawing

AI summary

A utility enclosure includes a box having a plurality of walls and a central opening. An insert is positioned in the central opening and includes a plurality of connected side walls. A removable cover is connected to the insert. A removable lid is connected to the box.