Retractable Bit Storage System with Cable Retraction
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Solution Overview
Problem
Conventional bit or tool storage methods are inefficient, leading to misplacement and difficulty in finding the correct tool when needed, causing wear and reducing tool quality.
Innovation Solution
A bit or tool holder attachment with a retracting mechanism that automatically returns the tool to a storage position on the tool holder after use, featuring a string and cable retracting device, allowing easy access and storage without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If bits or tools are stored in an empty box or scattered, then storage capacity is improved, but ease of operation deteriorates due to troublesome searching
Solution Approach 1:
The storage system is segmented into multiple slots, each dedicated to a specific bit or tool size/type. This segmentation allows bits to be organized by category rather than stored randomly, enabling users to quickly locate the needed tool without searching through the entire box.
Solution Approach 2:
The slots are pre-configured and pre-labeled with the specific bit sizes they accommodate. This preliminary organization means that when a user needs a particular bit, the correct slot is already identified and ready, eliminating the need to search through scattered tools.
2Ease of operation
If bits or tools are stored in a box with built-in slots, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The bit holder attachment serves multiple functions: it stores multiple bits simultaneously, provides organized slots for different sizes, and attaches directly to the electric drill. This multi-functionality consolidates what would otherwise require separate storage boxes and organizational systems into a single integrated component.
Solution Approach 2:
The storage slots are merged with the bit holder attachment structure itself, rather than being separate components. The slots are directly formed in the attachment body, combining the holder and storage functions into one piece, thereby reducing overall system complexity.
3Ease of operation
If the bit holder is extended during use, then ease of operation is improved, but reliability deteriorates due to string winding around the chuck
Solution Approach 1:
The string is extracted from the problematic path between the bit holder and the user's hand. Instead of running along the side where it could wind around the chuck, the string is routed through a dedicated guide hole in the chuck, separating it from the rotation path and eliminating the winding problem.
Solution Approach 2:
The guide hole in the chuck acts as an intermediary element that directs the string along a safe path. This intermediary structure mediates between the extended bit holder and the user's hand, ensuring the string remains taut and away from rotating components without interfering with the bit holder's movement.
4Stability of the object's composition
If manual storage of bits is required after use, then storage organization is improved, but loss of time increases due to forgetting to store
Solution Approach 1:
The bit holder attachment provides self-service by automatically returning the bit to its storage slot when retracted. The elastic component drives the bit holder back into the attachment body, and the guide hole ensures the string pulls the bit back into place, eliminating the need for user intervention to organize storage.
Solution Approach 2:
The storage slots are pre-positioned and the bit holder is pre-configured with the string and guide hole arrangement. This preliminary setup ensures that whenever the bit holder is retracted, the bit automatically returns to the correct pre-determined location, preventing misplacement before it occurs.
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
Enhances storage efficiency by automatically returning tools to a designated position, reducing wear and improving usability by eliminating the need for manual storage, thus saving time and preventing tool loss.
Implementation Method 1
an elastic component, configured that one end of the elastic component is connected to the bit holder and the other end is connected to the attachment body, so that the elastic component drives the bit holder to move back into the attachment body
Data Source
AI summary
A bit or tool holder attachment including: a main body, having a connecting body mounted on electric drill or electric driver or power tool or manual tool, and a string and a cable retracting device are arranged in the main body, and one end of the string is fixed on a fixing body; and at least one bit or tool holder, having a movable body and a fixing ring, an attaching hole is arranged in middle of the fixing ring for a bit or tool to pass through and be attached in the fixing ring, and a ring-shaped recess is also arranged on outer surface of the fixing ring, and the movable body is sleeved on the ring-shaped recess, and one end of the movable body is connected with the fixing body, so that the bit or tool holder can be extended and retracted relative to the main body.