O-shaped sealing ring installing jig of connector

The utility model discloses an O-shaped sealing ring installing jig of a connector. The O-shaped sealing ring installing jig of the connector is characterized by comprising an upper die and a lower die, wherein the upper die comprises an upper die handle which is provided with an upper die cavity; the lower die comprises a product positioning groove, a sliding block, a positioning platform, a spring and a locking screw; the spring is sheathed outside the locking screw; the spring is fixed at the lower part of the positioning platform by the locking screw; and the sliding block is positioned on the spring and is provided with the product positioning groove. In the O-shaped sealing ring installing jig of the connector provided by the utility model, the structure is simple, the operation is convenient, and an O-shaped sealing ring can be efficiently and accurately assembled on the connector.