Hand Tool Guide Rail Interlocking Mechanism
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Solution Overview
Problem
Existing guide systems for hand machine tools struggle to provide effective longitudinal guidance along a guide rail while maintaining contact in the depth direction, which is crucial for precise cutting operations.
Innovation Solution
The proposed guide system incorporates a hand machine tool with a guide element that features longitudinal guides and background structures. These structures ensure that the guide element remains in contact with the guide rail, providing stable longitudinal guidance and allowing for depth direction management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If guide grooves with undercuts are provided on the rail guide surface for guiding a guide carriage, then the guide system provides stationary support, but the hand-held power tool lacks sufficient support in the depth direction
Solution Approach 1:
The guide system is segmented into two distinct functional components: longitudinal guide projections/receptacles for guiding motion along the rail axis, and rear gripping projections/receptacles for providing depth direction support. This segmentation allows each component to specialize in one directional function, resolving the contradiction between stationary guidance and depth support.
Solution Approach 2:
The invention adds a new dimensional element by introducing rear gripping structures that extend in the depth direction (perpendicular to the guide surfaces), complementing the traditional longitudinal guidance. This dimensional addition provides the missing depth support without interfering with longitudinal motion guidance.
2Reliability
If the guide element is held on the guide rail in the depth direction, then contact between guide surfaces is maintained, but the structure becomes more complex
Solution Approach 1:
The rear gripping projections on the guide rail and receptacles on the guide element are designed to combine with the longitudinal guide structures to form an integrated guidance system. The merging of these functions into a unified structure provides both depth support and longitudinal guidance without requiring separate complex mechanisms.
Solution Approach 2:
The guide element and guide rail structures are designed to automatically maintain contact through their geometric configuration. The rear gripping projections and receptacles naturally engage to provide depth direction support, and the longitudinal guides maintain contact, eliminating the need for additional active control mechanisms.
Data Source
Figure 1~2
Figure 3~4
AI summary
The invention relates to a guide system (5) comprising a hand-held power tool (10) having a guide element (20) and a guide rail (70), on the upper side of which a rail guide surface is provided for a guide element guide surface (27) on the underside of the guide element (20) of the hand-held power tool (10), wherein at least one longitudinal guide projection (81) and at least one longitudinal guide receptacle (41) for longitudinal guidance of the hand-held power tool along a longitudinal axis (L) of the guide rail (70) are provided on the guide surfaces, and interlocking structures are provided between the guide rail (70) and the guide element (20) which hold the guide element (20) on the guide rail (70) in a depth direction (T) that is perpendicular to the guide surfaces (27, 76), in particular perpendicular to the guide surfaces (27, 76), in such a way that the guide surfaces (27, 76) remain in contact.It is provided that the interlocking structures comprise at least one interlocking projection (85) extending in front of the rail guide surface for engagement with at least one interlocking receptacle (55) extending parallel to the longitudinal axis (L) on the guide element guide surface (27), wherein the at least one interlocking projection (85) extends parallel to the longitudinal axis (L) and/or forms a component of an arrangement of interlocking projections arranged one behind the other parallel to the longitudinal axis (L), and the at least one interlocking receptacle (55) extends parallel to the longitudinal axis (L) or forms a component of an arrangement of interlocking receptacles (55) arranged one behind the other parallel to the longitudinal axis (L).