The invention discloses an external heat dissipation device of a computer
chassis with high applicability. The device includes a box body, the inside of the box body is provided with a placing cavityand a cooling cavity, the four corners of the lower end of the box body are provided with struts, the lower end of the strut is provided with a universal wheel, a plurality of buffer devices are symmetrically arranged on the left and right sides of the placing cavity, the inner end of the
cushioning device is provided with a squeezing plate, the lower end of the interior of the placing chamber isalso provided with a
cushioning device, the upper end of the
cushioning device is also provided with an
extrusion plate, the cushioning device comprises a connecting seat symmetrically mounted on theinner side of the placement chamber, the inner side of the connecting seat is rotatably connected with a
threaded rod, the two threaded rods are threaded with a support plate, the outer end of the
threaded rod is provided with an adjusting wheel, the outer side of the support plate is provided with a telescopic rod, the outer end of the telescopic rod is connected with the
extrusion plate, the outer side of the telescopic rod is provided with a spring, one end of the spring is connected with the
extrusion bar, and the other end of the spring is connected with the support plate. The invention has the advantages of simple structure, convenient use, good protective effect, long service life and wide application range.