Technical characteristics of gasoline engine ignition mechanism with eccentric active pre-chamber

A gasoline engine ignition mechanism containing an eccentric active pre-combustion chamber, characterized in that it comprises: a cylindrical connector (1), an injector mounting hole penetrating the upper and lower end surfaces of the connector, and penetrating The spark plug mounting holes on the upper and lower end surfaces of the connecting piece, the pre-chamber (5) connected to the outer peripheral surface of the connecting piece through threads, the pre-chamber injector (4) that works with the injector mounting hole, and the spark plug installation The pre-combustion chamber spark plug (2) that works with the hole; the pre-combustion chamber is composed of three sections, and from top to bottom are the first cylindrical sleeve (10), the eccentric cone-shaped sleeve (11) and the second Cylindrical cavity (12), the inner diameter of the first cylindrical sleeve is fixedly connected with the outer circumferential surface of the connecting piece through threads, the inner diameter of the second cylindrical cavity is smaller than the inner diameter of the first cylindrical sleeve, and the second cylindrical cavity is connected to the first The center lines of the cylindrical cavity do not coincide; the eccentric cone-shaped sleeve just connects the first cylindrical sleeve and the second cylindrical cavity; the lower end surface of the connecting piece, the inner wall of the conical sleeve, and the inner wall of the second cylindrical cavity Combined to form a pre-combustion chamber; the lower part of the second cylindrical cavity has n injection holes (8), n is an integer greater than or equal to 3; the center line of the injector mounting hole is perpendicular to the upper and lower end faces of the connecting piece ; The centerline of the spark plug mounting hole and the axis of the second cylindrical cavity intersect at the spark plug electrode of the pre-combustion chamber. 2. The ignition mechanism of a gasoline engine comprising an eccentric active pre-combustion chamber according to claim 1, wherein the nozzle hole is located at the junction of the bottom surface and the circumferential surface of the second cylindrical cavity.

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