Portable gas volleyball score display fixing device

Portable gas volleyball score display fixing device, including score display, last rubber gasket, lower rubber gasket, bottom plate, base, protection lagging, handle, handle seat, H template, spiral shell rasp bar, the protection lagging has H template groove, the H template suits with H template groove, H template groove is connected to the H template, the protection lagging has under the laggingprotrudingly, H template groove has convex groove under the lagging, convex groove suits under lower arch of lagging and the lagging, convex groove under the hump connection lagging under the lagging, the H template has bottom plate convex groove, the bottom plate has the bottom plate arch, the bottom plate arch sets up in the bottom plate bilateral symmetry, bottom plate convex groove suits withthe bottom plate arch, it is protruding that bottom plate convex groove connects the bottom plate, the bottom plate arch has the screw hole no. Three, the H template has the screw hole no. Two, the protection lagging has the