Die casting aluminum part
A technology for casting aluminum parts and aluminum parts, which is applied to the parts of lighting devices, semiconductor devices of light-emitting elements, and damage prevention measures of lighting devices, etc. The screws are rusted to the aluminum parts of the shell, etc.
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[0028] As an embodiment of the present invention, the rubber sealing strip 6 is provided with an expansion chamber 61, and the rubber sealing strip 6 is provided with a plurality of frosted convex films 62; There is a gap cavity 63 between them, and the gap cavity 63 is connected to the expansion cavity 61 through the air guide groove; the expansion cavity 61 communicates with the extrusion cavity 71; When shrinking, the gas inside the extrusion cavity 71 will enter the expansion cavity 61, and then enter the gap cavity 63 inside the frosted convex film 62 through the expansion cavity 61, so that the frosted convex film 62 is expanded and squeezed to fit In the insertion cavity 51 , the frictional resistance between the rubber sealing strip 6 and the insertion cavity 51 is further improved, and the insertion stability of the rubber sealing strip 6 inserted into the insertion cavity 51 is further improved.
[0029] As an embodiment of the present invention, the connection betwe...
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