Clamping Mounting Device for Prefab Frames
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Solution Overview
Problem
The existing methods for mounting prefab frames to mounting frames result in cold bridges due to screws protruding through both frames, and require the glass to be removed for screw arrangement, which is time-consuming and poses health and safety risks.
Innovation Solution
A mounting device comprising a base body and at least one clamping element that can be moved relative to the base body to engage with the prefab frame or mounting frame, allowing the prefab frame to be pulled tightly and clamped in place without the need for screws, thus preventing cold bridges and eliminating the need to remove glass.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If screws are used to fix the prefab frame to the mounting frame, then the frame can be securely fastened, but cold bridges are formed resulting in heat loss
Solution Approach 1:
The invention extracts and removes the screw fixation method that causes cold bridges. Instead of using screws that penetrate both frames, the patent employs a mounting device with a base body and clamping element that secures the prefab frame without creating thermal bridges, thus eliminating the harmful thermal conduction path while maintaining secure fixation.
Solution Approach 2:
The mounting device acts as an intermediary between the mounting frame and prefab frame. The base body connects to the mounting frame while the clamping element engages with the prefab frame, providing a secure connection without direct screw penetration through both components, thereby preventing cold bridge formation.
2Strength
If screws are arranged through the frame to fix it to the mounting frame, then secure fixation is achieved, but the glass must be removed which is time-consuming and poses health and safety risks
Solution Approach 1:
The mounting device is designed to be installed on the mounting frame before the prefab frame with glass is positioned. The base body is secured to the mounting frame in advance, and then the prefab frame can be inserted with the glass remaining in place, eliminating the need for time-consuming glass removal and reinstallation.
Solution Approach 2:
The mounting device serves as an intermediary that enables fixation without requiring access to the inner side of the prefab frame. The clamping element can engage with the outer peripheral edge of the prefab frame from the outside, allowing secure mounting while the glass remains undisturbed in its position.
3Ease of operation
If the prefab frame is not pulled tightly against the mounting frame, then installation is simpler, but the peripheral edge does not seal properly resulting in poor insulation and potential water entry
Solution Approach 1:
The mounting device incorporates a dynamic clamping mechanism where the clamping element can be adjusted and tightened against the prefab frame's peripheral edge. This allows the frame to be pulled tightly against the mounting frame to ensure proper sealing, while the device itself can be easily installed and adjusted during the mounting process.
Solution Approach 2:
The clamping element is designed to apply localized force specifically at the sealing interface where the peripheral edge of the prefab frame meets the mounting frame. This concentrated clamping action ensures proper sealing at the critical interface without requiring excessive force across the entire structure, maintaining both sealing reliability and installation ease.
Data Source
Figure 1~2A
Figure 2B~3
Figure 4A~4B
AI summary
The invention relates to a mounting device for fixing a prefab frame and a mounting frame relative to each other, the mounting device comprising: - a base body which extends in a first direction and which is operatively connectable to one of the mounting frame or the prefab frame; and - at least one clamping element which is connected operatively to the base body and which is movable relative to the base body and can be brought into engagement with the other of the prefab frame or the mounting frame in order to pull the prefab frame tightly against and clamp it in the mounting frame. The invention further relates to a window assembly and a conversion kit provided with such a device and to a method for mounting a prefab frame in a mounting frame.