Hinged Locking Clamp for Gate and Fence Post Security
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Solution Overview
Problem
Conventional methods for securing gates or fences, such as link chains and padlocks, are vulnerable to mechanical force and can be easily broken or forced open, lacking sufficient resistance to violence.
Innovation Solution
A locking clip with hinged brackets and perpendicular tabs that surround the area to be secured, featuring a one-piece construction and angled end sections to prevent access and manipulation, providing enhanced resistance to mechanical force and unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If link chains and padlocks are used to secure gates, then the securing method is simple and easy to implement, but the resistance to mechanical violence is insufficient and can be easily broken
Solution Approach 1:
The locking device is divided into two separate brackets that can be independently positioned around the gate and post, then joined together through a hasp and padlock mechanism. This segmentation allows each bracket to bear mechanical loads independently while maintaining ease of installation and removal.
Solution Approach 2:
The locking device combines hardened steel brackets with high mechanical strength and resistance to cutting/prying, paired with a padlock for security. This composite approach integrates the cutting resistance of hardened steel with the locking function of the padlock, creating a system that resists both mechanical violence and unauthorized opening.
2Ease of operation
If metal sheets are oriented to be easily accessible from the outside, then the locking device is easy to manipulate and assemble, but the weld seams become vulnerable to mechanical force and can break or tear
Solution Approach 1:
The hasp is extracted as a separate component that connects the two brackets, eliminating the need for weld seams in the load-bearing path. The hasp can be easily attached and removed, providing ease of manipulation while the brackets themselves maintain structural integrity through their hardened steel construction and geometry.
Solution Approach 2:
Instead of making the metal sheets accessible for manipulation, the design inverts the approach by having the brackets enclose the gate and post, with the hasp and padlock providing the accessible interface for locking and unlocking. This protects the structural components from direct mechanical attack while maintaining ease of operation through the padlock mechanism.
3Strength
If the tabs are positioned close together in the closed position, then resistance to mechanical attack through the gap is improved, but access to the padlock hasp becomes difficult
Solution Approach 1:
The brackets are made of hardened steel with high cutting resistance and structural strength at critical locations where mechanical attack is most likely to occur. This localized hardening provides enhanced protection at the tabs and bracket edges while maintaining overall ease of operation through the padlock mechanism.
Data Source
Figure 1
AI summary
The present invention relates to a locking clamp for securing two adjacent bodies to one another, in particular for securing a gate to a fence post. The locking clamp comprises a first bracket and a second bracket, which together with the first bracket encloses an area for receiving the two adjacent bodies. The brackets each have a first end and a second end, being pivotally connected to one another at their first ends, so that the brackets are pivotable between an open position, in which the locking clamp can be arranged around the two adjacent bodies, and a closed position, in which the brackets together enclose the area for receiving the two adjacent bodies. Each of the brackets forms a tab at its free end, which is oriented substantially perpendicular to the second end and which has at least one bore.In the closed position, the tabs of the shackle lie parallel to each other, so that a locking shackle of a padlock can be inserted into the holes of the tabs to secure the shackles to each other.