Rotary Tool Chuck With Axial Depth Adjustment Mechanism
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Solution Overview
Problem
Existing rotary tools lack the ability to adjust the insertion depth of tool accessories effectively, limiting their versatility and adaptability to different tasks.
Innovation Solution
A rotary tool assembly with an axial adjustment mechanism that allows for varying insertion depths of tool accessories through a movable adjustment shaft and locking mechanism, enabling precise positioning and secure retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed chuck structure is used, then the device complexity is reduced, but the adaptability to different tool accessory depths is limited
Solution Approach 1:
The chuck structure is transformed from a fixed state to a dynamic adjustable state. The adjustment shaft can move axially between multiple positions, and the locking member can selectively engage with different positions on the adjustment shaft, enabling the chuck to adapt to various tool accessory depths while maintaining structural simplicity through discrete positioning states.
2Adaptability or versatility
If an adjustable axial position mechanism is added, then the versatility is improved, but the device complexity increases
Solution Approach 1:
The adjustment mechanism is segmented into distinct functional components: the adjustment shaft with multiple axial positions, the locking member with selective engagement capability, and the actuator for releasing the locked position. This segmentation allows each component to perform a specific function simply, reducing overall complexity while achieving versatility.
Solution Approach 2:
The mechanism introduces controlled dynamics through the movable adjustment shaft that can occupy discrete axial positions. The locking member provides selective stabilization at these positions, creating a dynamic yet manageable system that enhances versatility without excessive complexity.
3Reliability
If a locking mechanism is added to secure axial positions, then the reliability is improved, but the ease of operation is reduced
Solution Approach 1:
The locking mechanism is designed to automatically engage and secure the adjustment shaft at selected axial positions without requiring additional manual intervention. The locking member self-activates when the adjustment shaft reaches a designated position, providing reliable locking while maintaining ease of operation through automatic engagement.
4Adaptability or versatility
If multiple axial positions are provided, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The adjustment shaft is designed with multiple discrete axial positions that can be selectively engaged. This dynamic positioning capability allows the chuck to adapt to various tool accessory insertion depths while maintaining a relatively simple structure through standardized positioning mechanisms rather than complex continuous adjustment systems.
Data Source
AI summary
A rotary tool including a tool body defining an axis extending between a rear end and an opposite working end, a motor configured to receive power from a power source, a drive shaft coupled to the motor with the motor, a chuck coupled to the drive shaft, and an axial adjustment mechanism. The axial adjustment mechanism includes an adjustment shaft having an axial end defining a floor of the chuck, where the floor limits an insertion depth within the chuck, and where the adjustment shaft is movable in a direction parallel to the axis between a first position defining a first insertion depth and a second position defining a second insertion depth.