Tool for checking compactness of mortar of block wall

The utility model belongs to the technical field of building construction, and particularly relates to a tool for checking the compactness of mortar of a block wall, which comprises a connecting rod, one end of the connecting rod is connected with a handle, one side of the connecting rod is provided with a groove wall I, one end of the groove wall I is provided with a pointed shoe, and the groove wall I and the pointed shoe are of an integral structure. A second groove wall is arranged in the first groove wall, the end, away from the handle, of the connecting rod is fixedly connected with the bottom end of the second groove wall, the first groove wall is a hollow semicircular arc, and limiting edges are installed on the two sides of an opening of the first groove wall. When the device is used, the sharp boot is inserted into a mortar layer of a building block through the handle, after the sharp boot penetrates through a wall body, the second groove wall is rotated by 180 degrees to the limiting edge through t