| 摘要 |
PURPOSE: An assembly structure of the connection pipe for a paint roller is provided, to allow a bolt and a nut to be engaged and separated with a small rotation number and to prevent impurities to be adhered to a nut. CONSTITUTION: The assembly structure comprises a one side mold(102) which fixes a bolt(106) inside by insert injection and is inserted into and fixed to the one side of a one side connection pipe(101); the other side mold(112) which fixes a nut(116) to be combined with the bolt(106) of the one side mold(102) by insert injection and is inserted into the one side of the other side connection pipe(111); and a space part(114) which is formed inside the other side mold(112) to allow the bolt(106) to be engaged with nut(116) through the inside of the other side mold(112). |
