A mounting structure comprising: a lever that includes an oscillation shaft at one end (L1a) thereof and oscillates in a predetermined oscillating angle range; a rod of which one end (R2a) is engaged with a driven body; and a support that is disposed on an intermediate portion of the rod and supports the rod so as to allow the rod to reciprocate, wherein the other end (L1z) of the lever and the other end (R2z) of the rod are movably connected to each other by a connecting shaft that is spaced apart from the oscillation shaft by a predetermined distance, an arc endpoint of an arc, which is drawn by the connecting shaft with the oscillation of the lever, close to the support is defined as a first arc endpoint and an arc endpoint of the arc distant from the support is defined as a second arc endpoint, a line segment connecting the oscillation shaft with the connecting shaft is defined as a lever axis, when a line extending toward the lever axis from a fulcrum serving as a support center of the support means an oscillating angle of the lever corresponding to a line perpendicular to the lever axis, the line perpendicular to the lever axis is defined as a perpendicular line segment and the lever axis is defined as a lever line segment, a connection point between the lever line segment and the arc is defined as an arc intermediate point, a line connecting the fulcrum with the arc intermediate point is defined as an intermediate line, a line connecting the fulcrum with the first arc endpoint is defined as a first line segment, and a line connecting the fulcrum with the second arc endpoint is defined as a second line segment, an angle between the intermediate line and the perpendicular line segment is defined as an intermediate angle, an angle formed between the first line segment and the perpendicular line segment is defined as a first angle, and an angle between the second line segment and the perpendicular line segment is defined as a second angle, and the mounting structure being characterised in that the lever and the rod are connected to each other so that the intermediate angle is equal to or greater than a larger one of the first angle and the second angle. a lever that includes an oscillation shaft at one end (L1a) thereof and oscillates in a predetermined oscillating angle range; a rod of which one end (R2a) is engaged with a driven body; and a support that is disposed on an intermediate portion of the rod and supports the rod so as to allow the rod to reciprocate, wherein the other end (L1z) of the lever and the other end (R2z) of the rod are movably connected to each other by a connecting shaft that is spaced apart from the oscillation shaft by a predetermined distance, an arc endpoint of an arc, which is drawn by the connecting shaft with the oscillation of the lever, close to the support is defined as a first arc endpoint and an arc endpoint of the arc distant from the support is defined as a second arc endpoint, a line segment connecting the oscillation shaft with the connecting shaft is defined as a lever axis, when a line extending toward the lever axis from a fulcrum serving as a support center of the support means an oscillating angle of the lever corresponding to a line perpendicular to the lever axis, the line perpendicular to the lever axis is defined as a perpendicular line segment and the lever axis is defined as a lever line segment, a connection point between the lever line segment and the arc is defined as an arc intermediate point, a line connecting the fulcrum with the arc intermediate point is defined as an intermediate line, a line connecting the fulcrum with the first arc endpoint is defined as a first line segment, and a line connecting the fulcrum with the second arc endpoint is defined as a second line segment, an angle between the intermediate line and the perpendicular line segment is defined as an intermediate angle, an angle formed between the first line segment and the perpendicular line segment is defined as a first angle, and an angle between the second line segment and the perpendicular line segment is defined as a second angle, and the mounting structure being characterised in that the lever and the rod are connected to each other so that the intermediate angle is equal to or greater than a larger one of the first angle and the second angle.