This invention relates to the joining structure of vinyl house gravel The pipes (a) and (b) formed in the shape of a rectangle are placed opposite to each other and the connecting pipe 3 is inserted into the upper ends of the pipes a and b to form an arched vertical frame 1, And a connecting rod 2 connected to the rear side of another pipe d is coupled with the supporting gong 1 so that the arch-type supporting frame 1 is formed in a prefabricated manner And has a structure in which a shrinkage portion 501 is formed on one side of the elliptical pipe e and is fitted to another elliptical pipe f to extend the length of the stem 5, A separate assembling member such as the frame 4 is not required.
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