Differential Lock-Out Mechanism Integrated With Reaction Block
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Solution Overview
Problem
Conventional lock-out mechanisms for differentials require complex and costly machining and assembly due to case-mounting, which increases production costs and complexity.
Innovation Solution
A block-mounted lock-out mechanism where the lock-out mechanism is integrated with the reaction block, eliminating the need for case-mounting and associated bushings and drilling operations, and allowing for a simpler assembly process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the lock-out mechanism is mounted on the differential case, then the locking function is achieved, but the manufacturing complexity and cost increase due to required bushings and drilling operations
Solution Approach 1:
The lock-out mechanism is merged with the reaction block, combining two separate components into one integrated unit. This eliminates the need for separate mounting operations (bushings and drilling) on the differential case, thereby reducing manufacturing complexity while maintaining the locking function.
Solution Approach 2:
The reaction block is given multiple functions: it serves both as a structural component for force transmission and as the mounting base for the lock-out mechanism. This multi-functionality reduces the overall number of components and simplifies the assembly process.
2Reliability
If the lock-out mechanism is mounted on the differential case, then the locking function is achieved, but the production cost increases due to additional machining and assembly operations
Solution Approach 1:
By combining the lock-out mechanism with the reaction block, the patent eliminates separate mounting operations (bushings and drilling) on the differential case, thereby reducing production costs while maintaining the locking function.
3Reliability
If the lock-out mechanism is mounted on the differential case, then the locking function is achieved, but the assembly process becomes more complex
Solution Approach 1:
The lock-out mechanism is integrated with the reaction block into a single assembly unit, which reduces the number of separate components that need to be assembled. This simplifies the overall assembly process while maintaining the locking function.
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
This solution simplifies the machining and assembly of differentials by eliminating the need for case-mounting, reducing production costs and complexity, while maintaining effective differential operation.
Implementation Method 1
The engagement mechanism comprises at least one flyweight member configured to extend outwardly when a predetermined amount of differentiating action is provided
Data Source
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AI summary
A differential (10) is provided that includes a first and second side gear (14, 16) and a reaction block (56) disposed between the first and second side gear (14, 16). The differential (10) further includes an engagement mechanism (40) configured to have at least a portion of the engagement mechanism (40) that is moveable from a retracted position to an extended position and a lock-out mechanism (42) that is configured to engage the portion of the engagement mechanism (40). The lock-out mechanism (42) is mounted to the reaction block (56). A reaction block (56) for a differential (10) in which a lock-out mechanism (42) is mounted on the reaction block (56)is also provided.