Impact Tool Human-Computer Interaction Assembly Torque Control
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Solution Overview
Problem
Existing impact tools lack precise control over the tightening torque of threaded fasteners, relying on fixed torque settings that do not adequately meet user requirements, especially in specialized working conditions.
Innovation Solution
An impact tool with a human-computer interaction assembly that allows users to set and display operation parameters, including rotational speed and impact time, to output a preset tightening torque, using a control mechanism that adjusts the motor accordingly, and a datasheet for matching torque requirements based on empirical data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a component with human-computer interaction function is integrated inside the housing, then the device functionality is improved, but the device complexity increases
Solution Approach 1:
The patent divides the housing into multiple components: a first housing, a first cover, and a second cover. The human-computer interaction assembly is integrated into the second cover, which is a separate segment from the main housing. This segmentation allows the interaction components to be added without significantly complicating the overall structure, as each segment maintains its own functional integrity.
Solution Approach 2:
The human-computer interaction assembly is nested within the second cover, which itself is part of the housing assembly. This nested arrangement allows the interaction components (display, buttons, etc.) to be housed within an existing structural element, minimizing the increase in overall device complexity while maintaining enhanced functionality.
2Ease of operation
If the human-computer interaction assembly is disposed on the outer side of the first cover, then the ease of operation is improved, but the length of the device increases
Solution Approach 1:
Instead of extending the interaction assembly along the axial direction (lengthening the device), the patent positions it on the outer side of the first cover, utilizing the radial dimension. This dimensional shift allows users to easily access and operate the interaction components without increasing the device's axial length, maintaining a compact profile while improving operability.
3Ease of manufacture
If the retaining assembly is disposed on the outer side of the first cover, then the ease of manufacture is improved, but the device complexity increases
Solution Approach 1:
The retaining assembly is implemented as a separate component disposed on the outer side of the first cover, distinct from the main housing structure. This segmentation allows the retaining assembly to be manufactured and assembled independently, simplifying the manufacturing process. The modular nature of this separate assembly reduces overall device complexity by allowing standardized production of individual components.
Data Source
AI summary
An impact tool includes a first cover mounted at an end of a first housing facing away from an output mechanism, where a first bearing seat is formed on or connected to the inner side surface of the first cover; a display mechanism including a human-computer interaction assembly and a retaining assembly, where the retaining assembly is used for supporting the human-computer interaction assembly, the retaining assembly is disposed on the outer side of the first cover, the human-computer interaction assembly sets and displays an operation parameter, and the operation parameter includes the rotational speed of a motor and an impact time parameter; and a control mechanism driving the motor according to the set operation parameter so that an output shaft outputs the preset tightening torque.