Insulation Dowel Setting Tool With Cam-Based Depth Adjustment
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Solution Overview
Problem
Existing setting tools for insulation anchors lack a simple adjustment mechanism to set the retaining plate either countersunk or flush with the insulation board surface without requiring additional tools or disassembly.
Innovation Solution
A setting tool with a drive shaft, pressure piece, and abutment, allowing manual adjustment of the axial offset between the abutment and pressure piece, enabling easy switching between countersunk and flush settings using a cam control system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the setting tool is designed to set insulation anchors with countersunk retaining plates, then the retaining plate can be countersunk into the insulation board, but the tool cannot set flush-mounted retaining plates without remodeling
Solution Approach 1:
The pressure piece is made adjustable along the drive shaft axis through a cam mechanism controlled by an adjusting element. This dynamic adjustment allows the pressure piece to be positioned at different axial locations, enabling the same tool to set both countersunk and flush-mounted retaining plates by simply changing the pressure piece position rather than remodeling the entire tool
2Ease of operation
If the pressure piece is fixed in position, then the tool structure is simple, but the tool cannot switch between countersunk and flush settings without remodeling
Solution Approach 1:
A cam mechanism serves as an intermediary between the adjusting element and the pressure piece. Rotating the adjusting element moves a cam follower along a cam track, which in turn moves the pressure piece axially to the desired position. This intermediary mechanism provides smooth, controlled adjustment without requiring complex disassembly or remodeling of the tool
3Adaptability or versatility
If the abutment and pressure piece are fixed relative to each other, then the tool structure is simple, but the axial offset cannot be adjusted for different setting depths
Solution Approach 1:
The cam mechanism enables dynamic adjustment of the axial offset between the abutment and pressure piece. By rotating the adjusting element, the operator can change the relative axial positions of these components, allowing the same tool to achieve both shallow (flush) and deep (countersunk) setting depths by simply adjusting the cam follower position on the cam track
Data Source
Figure 1~2
Figure 3~4
AI summary
The invention proposes a setting tool (1) for an insulation anchor (2) with an adjusting element (11) that can be rotated manually to adjust an axial offset of an abutment (10) relative to a pressure piece (9). To countersink a retaining plate (5) of the insulation anchor (2) in an insulation board, the pressure piece (9) is adjusted to a position projecting axially relative to the abutment (10). When the pressure piece (9) is flush with the abutment (10), the retaining plate (5) is set flush with the surface of the insulation board.