STRUCTURE FOR ATTACHING OIL JET VALVE

摘要

A structure for attaching an oil jet valve includes a bracket secured to an internal combustion engine with a seal member, an attachment concavity extending through the interior of the bracket, an insertion hole extending through the interior of the internal combustion engine, an oil jet valve, a first stepped part formed in the oil jet valve, a second stepped part formed in the attachment concavity, and an interlocking member. The width of a wide part of the first stepped part is less than the width of a narrow part of the second stepped part. The width of the wide part of the first stepped part is less than the width of a portion, of the inner surface of the attachment concavity, that faces the wide part of the first stepped part.

主权项

1. An oil jet valve coupling structure comprising:
a bracket fixed to an internal combustion engine with a seal member located in between; a coupling recess that extends inside the bracket and opens in an opposing surface opposed to the internal combustion engine; a socket that extends inside the internal combustion engine and opens in an opposing surface opposing the bracket; an oil jet valve including a first end a second end, wherein the oil jet valve is coupled to the internal combustion engine with the first end fitted into the coupling recess and the second fitted into the socket; a step-shaped first step formed on the oil jet valve, wherein the first step includes a wide portion, which is where the oil jet valve has a large width in a direction orthogonal to a direction in which the oil jet valve is fitted into the coupling recess and which is a fitted portion of the oil jet valve fitted into the coupling recess, and a narrow portion, which is formed closer to the internal combustion engine than the wide portion and which is where the oil jet valve has a small width in the orthogonal direction; a step-shaped second step formed in the coupling recess, wherein the second step includes a wide portion, which is where the coupling recess has a large width in the orthogonal direction, and a narrow portion, which is formed closer to the internal combustion engine than the wide portion and which is where the coupling recess has a small width in the orthogonal direction; and a securing member located between the first step and the second step, wherein the wide portion of the first step has a smaller width than the narrow portion of the second step, and the wide portion of the first step has a smaller width than a portion of an inner surface of the coupling recess opposed to the wide portion of the first step.