Pump Tappet
A pump and housing technology, applied in the direction of pumps, multi-cylinder pumps, fuel injection pumps, etc., can solve problems such as mid-sole damage, and achieve the effects of suppressing beating, good efficiency and good roughness
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[0058] Hereinafter, embodiments of the present invention will be described based on the drawings.
[0059] A high-pressure pump 11 provided with a tappet according to an embodiment of the present invention includes a camshaft 12 provided with a cam 12a on the outer diameter side and figure 1 Rotational movement in the direction of the arrow A in the middle; the tappet 21, which abuts against the cam 12a and converts the rotational movement of the camshaft 12 into a reciprocating linear motion and transmits it to the pump plunger 13 (hereinafter referred to as "the plunger") and Carry out reciprocating linear motion; the plunger 13 as a rod-shaped component, which abuts against the tappet 21 to perform reciprocating linear motion; a high-pressure chamber (not shown in the figure), which feeds fuel according to the reciprocating linear motion of the plunger 13 to make it high-pressure; The spring 14 is provided so as to be in contact with the tappet 21 and the plunger 13 is dis...
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