Measuring Arm Interface Body With Tubular Coupling
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Solution Overview
Problem
Current three-dimensional measuring devices lack improvements in functionality and user convenience, particularly in the handling and attachment of measuring members, which can be cumbersome and inflexible.
Innovation Solution
The device features an articulated arm with a triple hinge interface body that includes a tubular coupling mechanism with a retaining element and interchangeable grip members, allowing for secure attachment and easy handling of measuring members, along with a display and control unit for enhanced operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the interface body uses a traditional fixed structure for measuring members, then the structural stability is maintained, but the adaptability and ease of operation deteriorate due to inability to easily change measuring members
Solution Approach 1:
The measuring device is divided into separable components: the interface body with tubular coupling part and the measuring member with corresponding coupling interface. This segmentation allows independent replacement of measuring members while maintaining a stable base structure, resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The coupling mechanism incorporates a retaining element that can transition between engaged and disengaged states, enabling dynamic attachment and detachment of measuring members. This dynamic feature provides ease of operation while maintaining structural stability when engaged, addressing the contradiction between adaptability and device complexity.
2Ease of operation
If the electrical connector is exposed on the front face, then the ease of connection is improved, but the reliability deteriorates due to vulnerability to impacts and soiling
Solution Approach 1:
The electrical connector is nested within the interface body structure, specifically positioned inside or behind the tubular coupling part. This nesting arrangement maintains ease of connection while protecting the connector from external impacts and soiling, resolving the contradiction between accessibility and reliability.
Solution Approach 2:
The tubular coupling part serves as an intermediary structure that provides a protected pathway or interface for electrical connections. It shields the electrical connector from direct exposure to harmful factors while still enabling proper electrical engagement, addressing the contradiction between ease of connection and protection.
3Ease of operation
If the grip member is made lightweight for ease of handling, then the ease of operation is improved, but the strength deteriorates due to reduced ability to secure measuring members firmly
Solution Approach 1:
The grip member employs asymmetric design where the majority of the weight is concentrated in the handle portion for comfortable handling, while the coupling interface portion is minimized. This asymmetric distribution maintains ease of operation while ensuring adequate securing force through the strategically placed retaining element and coupling structure.
Solution Approach 2:
The grip member features ergonomic curved surfaces that distribute handling forces evenly across the operator's hand, reducing perceived weight and fatigue. The curved geometry optimizes force application points, maintaining strong securing capability while enhancing handling comfort, thus resolving the contradiction between lightweight design and securing strength.
Data Source
AI summary
A three-dimensional measuring device, comprising an arm having a free end provided with an interface body carrying a measuring member and a grip member enabling an operator to point the measuring member at a zone of the object that is to be measured. The interface body has a front face in which at least one electrical connector is accessible and from which there extends a projecting tubular coupling part for coupling to the measuring member, an annular grippable body being engaged on the tubular coupling part and extending over the front surface and the electrical connector, a retaining element being mounted on the grippable body to co-operate with the tubular coupling part in order to hold the grippable body pressed against the front face of the interface body.