Supporting tool for supporting valve body sealing ring

The utility model relates to a supporting tool for supporting a valve body sealing ring, which is characterized by comprising a supporting piece (1) and a supporting block (2), the supporting piece (1) is integrally rod-shaped and comprises a supporting rod (11) and at least one supporting sleeve (12), the supporting sleeve (12) is connected to the end part of the supporting rod (11) in a manner of longitudinally moving relative to the supporting rod (11), and the supporting block (2) is arranged on the supporting rod (11). The distance between the two ends of the supporting piece (1) is changed. The two supporting blocks (2) are rotationally connected to the two ends of the supporting piece (1) respectively, and the head of each supporting block (2) is provided with a supporting face (20) used for supporting part of the sealing ring (3). Compared with the prior art, the supporting tool can support the valve body sealing ring, and the risk of welding seam deflection is reduced. 本实用新型涉及一种用于支撑阀体密封环的支撑工具，其特征在于包括