Power Tool Clamping Mount With Anti-Sliding Block Positioning
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Solution Overview
Problem
Conventional power tools with clamping mechanisms face assembly challenges due to clamping blocks sliding along inclined surfaces, making it difficult to maintain precise positioning and leading to assembly inefficiencies.
Innovation Solution
A power tool design featuring an assembling mount with limiting troughs and ribs that guide and block clamping blocks, preventing sliding and ensuring precise positioning, facilitating easier assembly and tool attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If clamping blocks are placed on an inclined bottom in the receiving trough, then the clamping blocks can automatically approach the shaft for clamping, but the clamping blocks slide along the inclined bottom and cannot be kept at determined positions during assembly
Solution Approach 1:
The receiving trough is divided into two functional sections: an inclined bottom section that enables automatic approaching of clamping blocks, and a horizontal section with limiting ribs that provides precise positioning. This segmentation allows both automatic clamping and precise positioning to coexist without contradiction.
Solution Approach 2:
The solution introduces a new dimensional constraint by adding limiting ribs that extend in a direction perpendicular to the inclined bottom. This creates a three-dimensional constraint system where the clamping blocks are guided both along the incline and laterally positioned by the ribs, preventing unwanted sliding while maintaining the automatic approaching function.
2Strength
If three clamping blocks are used to surround and clamp the shaft, then the shaft is firmly clamped and hard to be removed, but the assembly process becomes complex and time-consuming
Solution Approach 1:
The clamping mechanism is designed to be self-actuating through the inclined bottom mechanism. When the assembling mount is inserted, gravity automatically causes the clamping blocks to slide down the incline and clamp the shaft without requiring external actuation or complex control systems, thereby maintaining strong clamping force while simplifying the assembly process.
3Device complexity
If the clamping blocks are allowed to move freely along the inclined bottom, then assembly is simple, but the clamping blocks cannot maintain determined positions causing assembly problems
Solution Approach 1:
The limiting ribs act as intermediary elements between the clamping blocks and the receiving trough walls. These ribs provide the necessary constraint and guidance without requiring complex mechanical linkages or control systems, maintaining structural simplicity while ensuring reliable positioning of the clamping blocks during assembly.
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 allows for stable and efficient assembly of the power tool, preventing clamping block misalignment and improving assembly efficiency by maintaining precise positioning, making the tool easier to assemble and disassemble.
Implementation Method 1
each clamping block is subjected to gravity force and slides along the inclined bottom of a corresponding one of the receiving troughs
Data Source
AI summary
A power tool has a clamping mechanism having an assembling mount and two clamping blocks. The assembling mount has a main body, a receiving recess defined in the main body, two first limiting troughs communicating with the receiving recess, and a through hole defined through a bottom of the receiving recess. The two clamping blocks are disposed in the receiving recess. Each one of the two clamping blocks has an abutting face corresponding to the bottom of the receiving recess in shape and facing to the bottom of the receiving recess. One of the two clamping blocks has two limiting ribs respectively inserted in the two first limiting troughs. The two limiting ribs respectively guided and blocked by the two first limiting troughs to prevent the clamping block from sliding downward along the bottom of the receiving recess.