Data Interface Locking Arm With Auto-Reset Security Clamp

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Solution Overview

Problem

Existing data interfaces lack security measures, allowing unauthorized access and data leakage, enabling criminals to tamper with device data.

Innovation Solution

A lock for a data interface comprising a lock case main body, a locking arm, an elastic reset device, and a locking device, which can be locked and unlocked through a baffle plate and locking members, ensuring secure clamping and unlocking mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a data interface is provided without protective measures, then ease of operation is improved, but security is worsened

Engineering Contradiction:

Improveease of accessVSAvoidsecurity

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The locking arm is pre-positioned in a locked state that automatically clamps the data interface upon insertion, preventing unauthorized access before any data transfer can occur. The elastic reset device is pre-loaded to maintain continuous clamping pressure

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The locking arm acts as an intermediary mechanical barrier between the data interface and unauthorized access attempts. It physically blocks the interface unless properly unlocked, mediating between security requirements and data access needs

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If a locking mechanism is added to protect the data interface, then security is improved, but device complexity is worsened

Engineering Contradiction:

ImprovesecurityVSAvoidstructure complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The locking mechanism is merged with the data interface housing structure itself. The locking arm is integrated into the lock case main body, and the clamping action occurs within the same housing that contains the interface, combining security and interface functions in one structure

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The elastic reset device provides self-service by automatically resetting the locking arm to its clamped position after unlocking. The system uses its own elastic energy storage to return to the secure state without external intervention, reducing the need for additional control mechanisms

Inventive Principle:

Principle #25Self-service

3Reliability

If a locking arm is used to clamp the data interface, then security is improved, but ease of operation is worsened

Engineering Contradiction:

ImprovesecurityVSAvoidease of access

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

Instead of requiring active engagement to lock the interface, the system is inverted so that the default state is locked and data access is granted by simply removing the locking arm. The burden of security is on the locked state, not the unlocked state, making legitimate access simpler

Inventive Principle:

Principle #13The other way round (Inversion)

4Reliability

If an elastic reset device is used to maintain clamping force, then reliability is improved, but device complexity is worsened

Engineering Contradiction:

Improveclamping force maintenanceVSAvoidcomponent count

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The elastic reset device is a self-service component that automatically maintains clamping force through its elastic properties. It stores mechanical energy when the locking arm is moved and automatically releases it to return the arm to the clamped position, requiring no external power source or control system

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The elastic reset device serves multiple functions: it maintains continuous clamping pressure on the data interface, provides the resetting force after unlocking, and contributes to the overall structural rigidity of the locking mechanism assembly

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 lock provides enhanced security by preventing unauthorized access and data theft, allowing authorized users to securely read data while maintaining the integrity of the interface.

Implementation Method 1

an elastic reset device, wherein the elastic reset device is connected to the locking arm to push and reset the locking arm to the locked position

Methodology Applied

Scientific EffectElastic force: Elasticity

Data Source

PatentUS20250378207A1Lock for data interface

Publication Date: 2025.12.11 WANG HAINING

AI summary

A lock for a data interface includes a lock case main body, a locking arm, an elastic reset device and a locking device. The lock case main body is provided with a first opening, and the first opening is configured to sleeve a data interface. The locking arm is rotatably connected to the lock case main body. The locking arm is able to be moved between a locked position and an unlocked position by rotation. The elastic reset device is connected to the locking arm to push and reset the locking arm to the locked position, so that the locking arm clamps the data interface together with a side wall of the first opening. The locking device is connected to the lock case main body. The locking device is configured to lock the locking arm.