Swivel Cable Connector Mounting Structure for Notebook Power Supplies
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Solution Overview
Problem
Conventional notebook computer power supply devices are prone to broken wires and contact failures due to external stretching forces, which can lead to device malfunctions or disasters as they have internal components with small size and high precision, making them susceptible to mechanical stress.
Innovation Solution
A swivel cable connector mounting structure featuring a rotary connector with metal pivot rods, a spring member, and a U-shaped base that allows the electrical cable to be biased in X-axis and Y-axis directions, preventing wire breakage and contact failures by enabling rotation and secure coupling within a device housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cable is rigidly fixed to the device housing, then the connection is stable and secure, but the cable is susceptible to breaking and contact failures under external stretching forces
Solution Approach 1:
The patent applies dynamics by transforming the rigid fixed connection into a dynamic rotatable connection. The rotary connector allows the cable to rotate freely around the pivot axis, converting the static rigid structure into a dynamic system that can adapt to external forces. This dynamic capability enables the cable to withstand stretching forces by rotating rather than breaking, resolving the contradiction between connection stability and cable durability.
Solution Approach 2:
The patent changes the parameter of connection rigidity from fixed to rotatable. By introducing the rotary connector with pivot rods and allowing rotation around a pivot axis, the connection parameter changes from rigid to flexible. This parameter change enables the cable to maintain electrical connection while accommodating external stretching forces, thereby improving both connection reliability and cable durability.
2Volume of moving object
If the cable connector is made compact to minimize device dimension, then the device size is reduced, but the connector becomes more susceptible to mechanical stress and contact failures
Solution Approach 1:
The rotary connector introduces dynamic rotation capability into the compact connector design. This allows the connector to absorb mechanical stress through rotation rather than transmitting it to the internal components. The dynamic feature enables the compact connector to maintain reliability by providing a stress-relief mechanism that prevents contact failures under external forces.
Solution Approach 2:
The rotary connector acts as an intermediary between the cable and the device housing. It provides a pivot point that mediates the transmission of external forces, allowing the cable to rotate and absorb stress before it reaches the internal components. This intermediary mechanism protects the compact connector from mechanical stress while maintaining small device dimensions.
3Power
If the cable extends out at 90° or 180° angle from the transformer, then the power transmission is efficient, but the cable is prone to stretching and breaking under external forces
Solution Approach 1:
The rotary connector enables the cable to dynamically adjust its orientation while maintaining power transmission. The cable can rotate around the pivot axis to maintain efficient power transmission angles while also being able to absorb external stretching forces through rotation. This dynamic capability resolves the contradiction by allowing the cable to maintain both efficient power transmission and resistance to breaking.
Solution Approach 2:
The rotary connector provides preliminary anti-action by enabling the cable to rotate in response to external forces before breaking occurs. This pre-emptive rotation capability counteracts the harmful effect of stretching forces, allowing the cable to maintain its strength and integrity while transmitting power efficiently at various angles.
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 swivel cable connector mounting structure effectively prevents wire breakage and contact failures by allowing the electrical cable to rotate and maintain secure contact, ensuring reliable power transmission and durability even under external forces.
Implementation Method 1
a spring member mounted around the rotary connector and stopped between the peripheral wall of the device housing and a stop flange at the periphery of the cylindrical base of the rotary connector
Implementation Method 2
a swivel connector, which comprises a U-shaped base pivotally coupled to the two metal pivot rods of the rotary connector
Data Source
AI summary
A swivel cable connector mounting structure includes a device housing having a through hole at a peripheral wall thereof, a rotary connector including a cylindrical base rotatably inserted through the through hole, two metal pivot rods affixed to an outer coupling end of the cylindrical base outside the device housing and two metal conducting terminals embedded in an inner end of the cylindrical base and respectively connected to the two metal pivot rods, a spring member mounted around the rotary connector and stopped between the peripheral wall of the device housing and a part of the cylindrical base of the rotary connector, a swivel connector including a U-shaped base pivotally coupled to the two metal pivot rods and two metal conductors embedded in the U-shaped base and kept in positive contact with the two metal pivot rods, and an electrical cable electrically connected to the two metal conductors.