Wall Lining Bracing Lever Layout for Secure Furring Locking
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Solution Overview
Problem
Existing bracing devices for fixing wall lining frames lack sufficient resistance to withstand tensile and push forces while maintaining a secure locking position, and they are often complex and costly to manufacture, with ergonomic issues such as the lever being buried in insulation.
Innovation Solution
A bracing device with a lever pivotally mounted in a plane orthogonal to the rod, engaging directly with the rod and featuring a hook with engagement ribs, and retaining means like lugs or hooks to secure the locking position, ensuring resistance to disengagement and improved ergonomics by keeping the lever accessible and preventing insulation entrapment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the lever is pivotally mounted on the head in a vertical plane orthogonal to the furring planes (as in EP 2 476 921), then the device can achieve a locking position, but the strength and resistance to disengagement under impact forces (e.g., 50 kg push) is insufficient as the rod may shift angularly and disengage the lever
Solution Approach 1:
The lever is pivotally mounted on the head in a horizontal plane parallel to the furring planes, changing the pivoting dimension from vertical to horizontal. This dimensional change allows the lever to engage the rod in a plane that resists angular shifts under impact forces, preventing disengagement while maintaining locking reliability.
2Strength
If the lever pivots in the plane in which the furrings extend to tighten two half-shells against the threaded rod (as in EP 2 476 921 figure 6), then the resistance to disengagement is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The complex half-shell structure is replaced by a simpler lever directly engaging the rod. The lever's horizontal pivoting motion directly tightens against the rod without requiring separate half-shell components, reducing structural complexity while maintaining resistance to disengagement through the engagement ribs.
3Ease of operation
If the lever is mounted in the conventional position, then the device can function, but the ergonomics are poor as the lever may be buried in insulation and become inaccessible
Solution Approach 1:
By changing the lever's pivotal plane from vertical to horizontal, the lever extends in a direction that remains accessible above the insulation layer. This dimensional reorientation ensures the lever stays exposed and operable while simplifying the overall design by eliminating the need for complex retention mechanisms.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a bracing device (1) for fixing two furring strips (5, 6) to each other in a position adjustable in spacing, the furring strips extending in parallel planes, the device (1) comprising: - a rod (2) comprising a base (21) having means for connecting (210) to a first furring strip (5) and means for engaging (22) with a lever (4); - an adjustment head (3) having means for connecting (31) to a second furring strip (6), and mounted with sliding capability around the rod (2); - the separate lever (4) pivotally mounted on the head (3) to move from an adjustment position in which the head (3) is free to slide around the rod (2), to a position where sliding is locked by being engaged with the rod (2); According to the invention, the lever (4) is pivotally mounted in a plane orthogonal to the rod (2).