Plate-Like Driver and Striker Structure for Wide-Range Fastener Impact
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Solution Overview
Problem
Conventional driving tools face issues with concentrated impact force application, potential driver damage due to jamming, and difficulty in applying power to driven members with a simple structure, especially when dealing with circular-headed nails or staples.
Innovation Solution
A driving tool design featuring a plate-like driver with rack teeth, a striker with a larger striking surface, and a detachable connection mechanism to facilitate wider impact distribution and easy replacement, guided by a tubular driver guide to prevent misalignment and interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If a round rod-shaped driver is used to strike driven members in a wide range, then the striking surface area is improved, but the weight of the driver increases and manufacturing complexity increases
Solution Approach 1:
The driver is divided into two separate components: a plate-like driver body and a striker. The driver body maintains a simple rectangular shape for ease of manufacture and low weight, while the striker provides the enlarged striking surface area. This segmentation allows each component to be optimized independently for its specific function.
Solution Approach 2:
The striker acts as an intermediary component between the driver body and the driven member. It transfers the impact force from the driver while providing a larger contact surface area, thus resolving the contradiction between striking surface area and driver weight.
2Area of moving object
If a round rod-shaped driver is used to strike driven members in a wide range, then the striking surface area is improved, but the manufacturing difficulty increases
Solution Approach 1:
By segmenting the driver into a plate-like body and a separate striker, the main driver body can be manufactured using simple machining processes for rectangular shapes, while the striker can be separately optimized for its striking surface geometry.
Solution Approach 2:
The striker is designed as a replaceable component that can be easily manufactured and replaced if needed, allowing the main driver body to remain simple and easy to manufacture.
3Device complexity
If the driver end directly strikes the driven member, then the structure is simple, but the impact force is concentrated in one area and the driver may be damaged when jammed
Solution Approach 1:
The striker serves as a protective intermediary between the driver body and the driven member. It absorbs the impact and potential jamming forces, protecting the main driver body from damage while maintaining structural simplicity.
Solution Approach 2:
The striker is positioned ahead of the driver body to absorb impact forces and potential jams before they reach the main driver structure, providing beforehand protection against damage.
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
Enables efficient, wide-range striking of driven members with reduced weight and structural complexity, while allowing for easy striker replacement and minimizing interference, thus enhancing operational reliability and versatility.
Implementation Method 1
a gas-spring type driving tool uses a thrust power of compressed air as an impact force. The driver moves in the driving direction by gas pressure to strike the driven member
Implementation Method 2
The lifter engages rack teeth formed on the side of the driver and returns the driver to its original position
Data Source
AI summary
A driving tool includes a plate-like driver having rack teeth (engaged portions). The lifter engages the rack teeth. The lifter allows the driver to move. A striker is connected to a tip of the driver. The striker strikes the driven member. An area of a striking surface of the striker is larger than an area of the tip of the driver.