Thin gas transportation device

A thin gas transportation device comprising:

• a shell comprising:
• a shell surface;
• an accommodation slot recessed from the shell surface and comprising an accommodation bottom surface;
• an outlet slot recessed from the accommodation bottom surface;
• a positioning part protruded from the shell surface and surrounding the accommodation slot;
• a vent hole located on the positioning part and comprising an inlet end and a vent end, wherein the vent end is in fluid communication with the accommodation slot, and the vent hole is tapered from the vent end to the inlet end;
• an inlet pipe disposed on the shell and comprising an inlet passage, wherein the inlet passage is in fluid communication with the inlet end of the vent hole;
• and
• an outlet pipe disposed on the shell and comprising an outlet passage, wherein the outlet passage is in fluid communication with the outlet slot;
• a check valve disposed within the accommodation slot and comprising:
• a barrier plate disposed on the accommodation bottom surface and covering the outlet slot, wherein the barrier plate comprises:
• a first surface;
• a second surface opposed to the first surface;
• a protruding part protruding from the second surface and located at the outlet slot;
• and
• a plurality of perforations surrounding the protruding part;
• a valve plate disposed on the second surface and comprising:
• a valve part comprising a valve hole, wherein the valve hole is vertically corresponding to the protruding part;
• and
• a fixing portion located at the valve part,
• wherein the valve plate is coupled to the second surface through the fixing portion, and the protruding part abuts against the valve part and seals the valve hole;
• a gas pump disposed on the first surface;
• and
• a top cover fixed on the positioning part and covers the accommodation slot.