4results about How to "Meet sealing needs" patented technology

This utility model discloses a HVAC vent filtration device, comprising: a ventilation panel, which includes an annular frame 1 and fan blades 2, the fan blades 2 being disposed within the inner ring of the annular frame 1; and a filter assembly, which includes an annular slot 3, a filter plate 5, and a fixing bolt 7. The annular slot 3 is rectangular, with three sides having a groove-shaped cross-section and one side having a U-shaped cross-section. The filter plate 5 is inserted into the annular slot 3 from the U-shaped cross-section side. One side of the annular slot 3 is fixedly mounted on the frame. The annular slot 3 has a mounting hole 6 penetrating the groove-shaped sidewall on the side facing away from the frame. The fixing bolt 7 is threaded into the mounting hole 6, and can clamp or loosen the filter plate 5 after being screwed into the mounting hole 6. During installation, simply insert the filter plate 5 into the annular slot 3 from the U-shaped cross-section side and then tighten the fixing bolt 7.

The utility model relates to filter equipment technical field discloses a filter box of leakage prevention, including base, the base upper surface fixedly connected with filter drum, filter drum outer wall one side fixedly connected with air inlet pipe, air inlet pipe outer wall fixedly connected with sealed cavity no.

The utility model belongs to the field of ceramic blank film sealing, especially a kind of ceramic blank film sealing device, after the existing ceramic blank is mixed, shape is made into long cylindrical shape, to reduce the drying speed of blank, usually artificial is wound on blank using film, since blank has certain weight, greatly increase the labor problem of personnel under the condition of long time work, present and propose following scheme, it includes base and the film roll for carrying out film sealing to ceramic blank, the top side of base is fixedly arranged with the placing rack for placing film roll, by drive mechanism, film can be stably and quickly wound on ceramic blank, improve film sealing efficiency, simultaneously replace the mode that traditional artificial is wound on blank using film, significantly reduce the labor intensity of operator, the spacing between first U-shaped frame and second U-shaped frame can be adjusted by adjusting mechanism, to adapt to the ceramic blank of different diameter thickness size.