Driving Component Regulating Mechanism for Photosensitive Drum Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional process cartridges for electrophotographic image forming apparatuses face issues with rotational non-uniformity and instability in the driving mechanism, particularly during mounting and demounting, which affects the reliability and ease of maintenance.
Innovation Solution
A driving component with a gear and a regulating component that allows for reciprocal and translational movement along the longitudinal and perpendicular directions, incorporating a spring support and position limit mechanism, ensures consistent rotational force transmission and stable engagement with the printer's driving shaft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional driving mechanism with a rotatable member and non-circular twisted hole is used, then the photosensitive drum can be rotated, but the mechanism requires horizontal movement of the rotatable member during mounting and demounting, increasing device complexity
Solution Approach 1:
The driving component is segmented into a gear portion and a regulating component portion that can move relative to each other. The regulating component can translate along the gear's longitudinal direction and reciprocate perpendicular to it, allowing the driving function to be separated from the mounting/demounting movement, thus simplifying the overall mounting mechanism while maintaining reliable driving transmission.
2Reliability
If a gear engaging mechanism is used to drive the photosensitive drum, then rotational force can be transmitted, but rotation non-uniformity occurs affecting reliability
Solution Approach 1:
The regulating component is designed to move dynamically relative to the gear portion during mounting. By translating along the longitudinal direction and reciprocating perpendicular to it, the regulating component optimizes the engagement between the gear teeth, ensuring smooth and uniform rotation while maintaining ease of mounting through the automated movement sequence.
3Adaptability or versatility
If the regulating component is allowed to move freely, then engagement flexibility is improved, but the component may become disengaged during transportation, worsening reliability
Solution Approach 1:
The regulating component's movement parameters are precisely controlled through defined translation along the longitudinal direction and reciprocation perpendicular to it. This controlled parameter change allows the component to achieve optimal engagement positions during mounting while preventing excessive movement that could cause disengagement during transportation, thus balancing flexibility with stability.
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 solution provides a stable and reliable driving mechanism that prevents rotational non-uniformity and ensures smooth engagement with the printer, enhancing the operational stability and maintenance convenience of the process cartridge.
Implementation Method 1
A spring support part and a longitudinal position limit part are provided between the regulating component and the gear
Data Source
AI summary
The present invention provides a driving component, a photosensitive drum and a process cartridge. The driving component comprises a gear having one fixed end and a regulating component having a rotational driving force receiver outside the other end projecting from the gear. The regulating component is provided within the gear by being moved reciprocally and translationally along the gear's longitudinal direction and a first direction perpendicular to the longitudinal direction relative to the gear. A spring support part and a longitudinal position limit part are provided between the regulating component and the gear. The rotational driving force receiver is provided inside the regulating component by rotating around its own axis. Compared to the existing technology, the process cartridge using this driving component has a smooth engagement with a printer, reliable performance and stable work.