Movable Pane Receiving Portion in Greenhouse Glazing Bars
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Solution Overview
Problem
Existing greenhouses require precise alignment of panes with glazing bars during assembly, which is time-consuming and difficult due to the fixed nature of the pane supporting elements.
Innovation Solution
The pane receiving portion is designed to be deeper in the glazing bar rabbet than the fixation portion, allowing for movement perpendicular to the glazing bar, enabling easier insertion of panes at various angles and facilitating assembly by being freely movable within the rabbet.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pane supporting element is fixed in the glazing bar rabbet, then the structure is stable and secure, but the assembly process becomes difficult and time-consuming due to precise alignment requirements
Solution Approach 1:
The pane receiving portion is made movable relative to the fixation portion, allowing dynamic adjustment during assembly. The movable pane receiving portion can move perpendicular to the pane in assembled condition, enabling easier insertion while maintaining secure fixation once assembled.
Solution Approach 2:
The pane supporting element is divided into two functional parts: a fixation portion that attaches to the glazing bar and a pane receiving portion that receives the pane. This segmentation allows the fixation portion to remain fixed for structural stability while the pane receiving portion moves for ease of assembly.
2Manufacturing precision
If the pane receiving portion is fixed relative to the glazing bar, then the pane position is precisely controlled, but the angle variation during insertion is limited
Solution Approach 1:
The pane receiving portion is designed to be movable relative to the glazing bar, allowing it to accommodate various insertion angles. This dynamic capability enables the assembly process to tolerate angle variations while the fixed fixation portion ensures precise final positioning.
Solution Approach 2:
The movable pane receiving portion changes its position parameter during insertion to accommodate different angles. This parameter change allows adaptability during assembly while the fixed fixation portion maintains precise positioning control in the final assembled state.
3Strength
If the pane supporting element uses a rigid structure, then the fixation is secure, but the resistance during pane insertion is high
Solution Approach 1:
The pane supporting element is segmented into a rigid fixation portion for secure attachment and a movable pane receiving portion for easy insertion. This segmentation allows the rigid structure to provide fixation strength while the movable portion reduces insertion resistance.
Solution Approach 2:
The movable pane receiving portion introduces dynamic movement capability to the otherwise rigid structure. This allows the rigid fixation portion to maintain strength while the movable portion facilitates easier pane insertion with reduced resistance.
Data Source
AI summary
A greenhouse comprises a glazing bar (1) including a glazing bar rabbet (4) which is provided with a pane supporting element (3) which supports a pane (2). The pane supporting element is provided with a fixation portion (6) which is in contact with the glazing bar. The pane supporting element is provided with a pane receiving portion (7) for receiving an end portion of the pane which pane receiving portion is disposed deeper in the glazing bar rabbet than the fixation portion. The pane receiving portion is movable with respect to the glazing bar at least in a direction perpendicular to the pane in assembled condition.