JPH0362252U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a diagram illustrating the configuration of a continuously variable transmission including an embodiment of the present invention. Figure 2, Figure 3, Figure 4
5 and 5 are views showing a part of a chain belt which is an embodiment of the present invention, respectively, with FIG. 2 being a partially cutaway front view, and FIG. 3 being a front view thereof. FIG. 4 is a cross-sectional view taken from - in FIG. 2, and FIG. 5 is a cross-sectional view taken from - in FIG. 2. 6 and 7 are diagrams showing the link plate of the embodiment of FIG. 2. 8 is a perspective view showing the pin of the embodiment of FIG. 2; FIG. 9 and 10 are views showing the V-shaped block of the embodiment shown in FIG. 2, respectively, with FIG. 9 being a front view thereof and FIG. 10 being a right side view thereof. 11 and 12 are diagrams showing one spacer of the embodiment of FIG. 2,
FIG. 11 is a front view thereof, and FIG. 12 is a right side view thereof. 13 and 14 are views showing the other spacer of the embodiment shown in FIG. 2, with FIG. 13 being a front view thereof and FIG. 14 being a right side view thereof.
FIG. 15 is a diagram for explaining the method of assembling the embodiment of FIG. 2. FIG. 16 is a diagram showing a link plate according to another embodiment of the present invention, and corresponds to FIG. 7. FIGS. 17 and 18 are views showing link plates of a conventional chain belt, respectively, and correspond to FIG. 7. FIG. 19 is a chart showing the results of analytical calculations of stress at the base of the inner protrusion of the link plate. 10...Chain belt, 18...Primary side variable pulley (pulley), 20...Secondary side variable pulley (
pulley), 34... link plate, 35, 37
... Link plate, 36 ... Rocker pin (pin), 38 ... First chain, 40 ... Second chain, 42 ... V-shaped block, 44 ... Through hole (
(fitting hole), 54...outer circumference side protrusion (engaging protrusion), 5
6...Inner circumferential side protrusion (engaging protrusion), 90... Outer circumferential side edge, 92... Inner circumferential side edge, 94, 96... Contact surface, 100, 102... Corner R, 104... ...Inner edge.

Claims (1)

[Claims for Utility Model Registration] A plurality of link plates having a pair of pin fitting holes at both ends are stacked alternately in the belt width direction and are connected in the longitudinal direction, and a pin is inserted into each of the pin fitting holes. a chain connected in an endless annular shape by being connected, and a fitting hole into which the plurality of link plates are fitted, and a fitting hole provided on at least one of an outer circumferential edge and an inner circumferential edge of the link plate. and a plurality of V-shaped blocks mounted between the respective pins of the chain by being sandwiched by engagement protrusions, the V-shaped blocks rotating while being pinched and pressed within the V groove of the pulley. , in a chain belt of a type in which power is transmitted between the pulley and the chain via the engagement protrusion, of the plurality of link plates stacked in the belt width direction, at least one link plate is placed on both outer sides in the belt width direction. Regarding the link plate to be disposed, a corner R provided closer to the inside of the link plate at the root portion of the engaging protrusion on the side that abuts the V-shaped block is located on the contact surface that abuts the V-shaped block. A chain belt that is formed larger than other link plates while ensuring an area, and that the corner R and the outer peripheral edge and/or the inner peripheral edge are smoothly connected. .