RV Lift Window Frame with Damping Groove and Lifter Bracket
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Solution Overview
Problem
Conventional sedan lift windows are not compatible with recreational vehicles (RVs due to shape limitations, thickness, assembly issues, and inadequate drainage systems, making them unsuitable for installation on RVs.
Innovation Solution
A special lift window design featuring a door-shaped frame with a damping groove, lifter bracket, and sectional bars for RVs, allowing for reciprocal movement between display and concealment areas, with a distance between the lifter bracket and frame adjusted to accommodate the window thickness, and using polymethyl methacrylate (PMMA) glass for weight reduction and integration with the RV wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional sedan lift window is used, then the window structure is simple, but it cannot be installed on an RV due to shape mismatch and thickness issues
Solution Approach 1:
The window frame is divided into a door-shaped frame portion and a separate window body portion that can be independently assembled. The door-shaped frame is specifically designed to match RV wall contours, while the window body can be universally adapted, thus resolving the adaptability issue without requiring complete redesign of the entire window system.
Solution Approach 2:
The window body is nested within the door-shaped frame structure, with the window body portion fitting into the frame portion. This nested design allows the window to accommodate the thicker RV wall structure while maintaining a compact overall profile that matches the vehicle's exterior contours.
2Adaptability or versatility
If the window frame is designed to fit RV wall thickness, then installation compatibility is improved, but the assembly process becomes more complex
Solution Approach 1:
The door-shaped frame portion is pre-formed with the specific contours and thickness requirements for RV wall installation. By preparing this adaptive frame structure in advance, the actual installation process is simplified, as the frame is already configured to match the RV wall geometry without requiring complex on-site adjustments.
3Reliability
If a standard drainage system is used, then the window structure remains simple, but it cannot meet the drainage requirements of an RV lift window
Solution Approach 1:
The drainage system is designed with localized drainage channels and outlets positioned at specific areas of the window frame where water accumulation is most likely to occur. This targeted approach provides effective drainage performance in critical areas without requiring a complex drainage system throughout the entire window structure.
Data Source
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AI summary
The embodiment of the present invention discloses a special lift window for a recreational vehicle (RV), including a door-shaped frame installed on an RV wall; a damping groove for embedding a window body is provided on the door-shaped frame; the door-shaped frame is divided into a window display area and a window concealment area from up to down; a lifter bracket for fixing a window body lifter is disposed in the window concealment area; the window body lifter drives the window body to move reciprocally between the window display area and the window concealment area; and a distance between the lifter bracket and the door-shaped frame is not smaller than a maximum thickness of the window body lifter. The special lift window for the RV provided by the embodiment of the present invention may be detached as a whole, and has the beneficial effect of simple and convenient assembly; and the lift window has a planar structure inside, and is integrated with an RV wall after assembly, so that an internal space of the RV is not occupied, the appearance is coordinated and no feeling of strangeness exists. Moreover, a main frame of the lift window is made of an aluminum sectional bar, so the weight reduction effect is significant, and the strength meets an authentication requirement sufficiently.