Auxiliary expansion parts

Abstract

1. The name of the product of this design: expansion joint. 2. Purpose of this product with design: This product with design is used to connect and fasten plates through an eccentric wheel. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design key points: 3D diagram of the combined state 1. 5. Other situations that need explanation Component description: The extended end of the pull rod of component 2 is sleeved in the groove of the eccentric wheel, and the eccentric wheel is rotated to drive component 2 to move outward relative to the inner cavity of component 1, so that component 1 expands.

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