| 摘要 |
<p>PROBLEM TO BE SOLVED: To simply assemble and fix a pipe joint without screw machining by providing the pipe joint in which a flange part is provided at a basic end of a mounted face on which an end part of a passage is opened and a diameter expansion part formed on a mounted face side of an insertion hole formed by passing through plates which are piled up and fixed on the mounted face. SOLUTION: A plurality of oil passages 2 are formed in a valve block body 1. End parts of these oil passages 2 are opened on a surface of the valve block body, and a pipe joint 4 is put at a position which corresponds to an opening 15 of the passage, respectively, on the surface of the valve block body 1. These pipe joints 4 are like a cylinder in which a communicating passage 5 is formed, and a diameter of an end part of the communicating passage 5 is expanded. A screw part 6 is formed on an outer peripheral face at a tip of the pipe joint 4 to constitute a connection part for connecting pipes. The pipe joint 4 can be simply fixed by piling up plates 8 on a mounted face. Screws are not required on an inner peripheral face of an insertion hole and an outer peripheral face of the pipe joint, thereby reducing cost.</p> |
