The invention discloses a 
cloud data storage case convenient to 
mount and dismount and convenient to expand capacity. An upper rectangular 
barrel body and a lower rectangular 
barrel body form a storage case; a 
threaded rod is vertically mounted in the lower rectangular 
barrel body; each of the upper rectangular barrel body and the lower rectangular barrel body consists of a 
left half part and a right half part; an annular cavity is formed in the 
left half part; an annular 
insertion plate in 
insertion connection with the annular cavity in a matched mode is integrally formed on the left side wall of the right half part, the 
left half part is fixedly connected with the annular 
insertion plate through bolts, insertion grooves are formed in the inner walls of the left side and the right side ofthe upper rectangular barrel body and the inner wall of the right side of the lower rectangular barrel body, and a telescopic insertion plate is inserted between the left insertion groove and the right insertion groove; the 
cloud data storage case convenient to 
mount and demount and convenient to expand is convenient to demount and 
mount, storage of storages of different heights and widths is met, storage of a plurality of storages is met, expansion is convenient, and the height and width of the storage case can be adjusted according to actual needs.