Patent ID: 8342323
Filing Date: 2013-01-01
Classification: G01N

Abstract:
1. A waterproof housing structure for portable optical analyzer, comprising: a hard upper casing which includes an outer rim and an inner rim and an indented liquid sample chamber on the surface, and an upper fastening strut extended inside; and a lower casing which includes a hard inner shell and a pliable cap; the hard inner shell including a trapezoidal rim which contains a first trapezoidal surface on an outer side and a second trapezoidal surface on an inner side lower than the first trapezoidal surface to mate and couple with the inner rim; the pliable cap wrapping a portion of outer surface of the hard inner shell and containing an outer edge to couple with the outer rim and an inner edge to mate an interval between the outer rim and the inner rim, the inner edge being partly located on the first trapezoidal surface, the lower casing further including a lower fastening strut extended inside corresponding to the upper fastening strut; and a fastening element running through the upper fastening strut to engage with the lower fastening strut to fasten the hard upper casing to the lower casing.