Blade

• Main Authors: ZHOU ZHENHUA, PAN YIFU, ZHONG KEMING
• Format: Patent
• Language: Chinese; English
• Published: 28.03.2023
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to a blade which comprises a blade body, and the blade body is a long-strip-shaped sectional material piece. A cavity is formed in the cross section of the blade body, a reinforcing rib is arranged in the cavity, the two ends of the reinforcing rib are connected with the upper cavity wall and the lower cavity wall of the cavity respectively, so that the cavity is divided into a first cavity body and a second cavity body through the reinforcing rib, and a positioning groove is formed in the front side face of the reinforcing rib. A first convex rib and a second convex rib are formed on the upper cavity wall of the first cavity, the bottom surface of the first convex rib and the bottom surface of the second convex rib are coplanar, the common surface is a first clamping and pressing surface, and the upper groove wall surface of the positioning groove and the first clamping and pressing surface are coplanar or higher than the first clamping and pressing surface; a third convex rib and a