Modular opening mold (A)

Abstract

1. Name of the product in this design: Modular opening mold (A). 2. Application of this design: This design is used for pre-reserved openings in concrete walls or floor slabs. 3. The key design feature of this product is its shape. 4. Images or photos that best illustrate the design highlights: Refer to Figure 1 for usage status. 5. Other components requiring explanation: Component 1: Corner piece; Component 2: Angled piece; Component 3: Arc corner piece; Component 4: Extension piece; Component 5: Inner post; Component 6: Extension section with lock hole; Component 7: Extension section; Component 8: Lock seat. 6. Other situations requiring explanation are illustrated in the diagram: The length of the inner post of component 5 can be adjusted as needed, and the number of lock holes and connection holes opened on it can be increased or decreased accordingly. When constructing the side formwork of the opening, any one of the three components, namely the corner piece of component 1, the beveled corner piece of component 2, and the arc corner piece of component 3, or any combination thereof, can be used to form the four corners of the opening. They are combined with the inner column of component 5 and fixed with bolts to form the side formwork of the opening. When the opening size is increased, it can be adjusted by replacing the extension parts of component 4 with different lengths; or by fitting the expansion section of component 7 onto the inner post of component 5; if the side length of the opening increases significantly and the required bolts are too long and inconvenient to operate, the two ends are combined with the expansion sections of component 6 with lock holes, and the middle is combined with the expansion sections of component 6 with lock holes or component 7. The lock seat of component 8 is installed at the expansion section of component 6 with lock holes, and the lock tongue of the lock seat of component 8 is inserted into the lock hole on the inner post of component 5.

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