Keel imbedded type concave tube nest

The utility model relates to a figured pattern card with embedded cage ribs, in specific to a figured pattern card of a bag dust remover. The utility model belongs to the environmentally friendly equipment technology field. A figured pattern card is arranged in a cleaning chamber and the upper part of the middle part of the figured pattern card is equipped with a rotation mechanism. The rotation mechanism is equipped with an air source system. The air source system is equipped with a blowing mechanism. The utility model is characterized in that the blowing mechanism is equipped with an off-line cover and a sealing device is arranged between the off-line cover and the figured pattern card. The utility model has simple reliable structure; because the blowing mechanism is equipped with the off-line cover and the sealing device is arranged between the off-line cover and the figured pattern card, the off-line dust removing process can be realized, i.e. the corresponding filtration bag is not in a filtration state