Device for jointing masonry wall

The utility model relates to a masonry wall pointing device which comprises a handle, a main shaft pipe is installed on the top of the handle, auxiliary shaft pipes are installed on the inner side walls of the two ends of the main shaft pipe respectively, pointing rods are installed on the outer side walls of the two auxiliary shaft pipes respectively, rubber wheels are installed at the ends, away from the main shaft pipe, of the two auxiliary shaft pipes respectively, and the two ends of the main shaft pipe are connected with the pointing rods respectively. Auxiliary sliding grooves are formed in the main shaft pipe, main sliding grooves are formed in the two auxiliary shaft pipes, and screw rods are installed between the main sliding grooves and the auxiliary sliding grooves; the auxiliary shaft pipe is inserted into the main shaft pipe, the screw rod is inserted into the main sliding groove and the auxiliary sliding groove, the distance between the two pointing rods is adjusted according to the distance be