Torsional secure device for providing torsional secure attachment of injection pipe to cylinder head of diesel engine of commercial vehicle, has bearing surfaces including slots such that surfaces are form fitly connected with each other

摘要

The device has an attachment device including a hollow pressure screw (20) and a pressure pipe connector (10) having running coil (60), which is provided with a catch. The pressure screw coaxially receives a section of the pipe connector and is connected with a bearing surface (30) lying on an inlet (20') of the pressure screw at a bearing surface (30') of the pressure pipe connector. The bearing surfaces are provided with slots e.g. macroscopic or microscopic slots such that the bearing surfaces are connected with each other in a form fit manner.