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Continuously variable transmission device

A continuously variable transmission and connecting rod technology, applied in the direction of connecting components, control devices, belts/chains/gears, etc., to achieve the effect of simplifying the anti-loosening mechanism of the connecting pin

Inactive Publication Date: 2015-11-11
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, when the swing link is swung, there is a problem that the entire inner peripheral surface of the hole at the output side end of the connecting rod or the swing end of the swing link cannot be used as a pressure-receiving effective surface.

Method used

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  • Continuously variable transmission device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Next, a continuously variable transmission according to an embodiment of the present invention will be described.

[0033] refer to figure 1 and figure 2 , the continuously variable transmission 1 of the present embodiment has: a hollow input shaft 2 which rotates around a rotation center axis P1 by receiving rotational power from a vehicle drive source such as an internal combustion engine (not shown) or an electric motor; The shaft 3 is arranged in parallel with the input shaft 2, and transmits rotational power to the drive wheels (not shown) of the vehicle via a differential gear and a transmission shaft outside the figure; and six rotation radius adjustment mechanisms 4 are provided on the input on axis 2.

[0034] Each rotation radius adjusting mechanism 4 is constituted by a cam plate 5 and a rotary plate 6 (rotary portion). The cam plates 5 are disk-shaped, and are provided in sets of two on the input shaft 2 so as to be eccentric with respect to the rotation...

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PUM

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Abstract

The invention provides a continuously variable transmission device with a four-rod structure type crankshaft to withstand an enlarged effective face of pressure from a connection pin. The continuously variable transmission device (1) also has an input shaft (2), an output shaft (3), a rotatable half-diameter adjusting structure (4), a connection rod (15), and a swing connection rod (18). The connection pin (19) enables the end part of the connection rod (15) to be connected to the swing end part (18a) of the swing connection rod (18) in a swing manner; a device to prevent the connection pin (19) from coming off comprises a groove part (19a) arranged on the external face of the connection pin (19), a fall-out prevention pin (21), a hole part (15c) arranged at the circular output part (15b) at a corresponding position of the groove part (19a) and abutting against the inner surface of the groove part (19a).

Description

technical field [0001] The present invention relates to a continuously variable transmission of the four-bar mechanism type using a crank linkage. Background technique [0002] Conventionally, a continuously variable transmission has been proposed which has: an input shaft; an output shaft arranged parallel to the input shaft; The rotation radius adjustment mechanism includes a rotating part that can rotate freely around the rotation center axis of the input shaft, and can freely adjust the rotation radius of the rotating part. The swing link is pivotally supported on the output shaft and is provided with an annular swing The connecting rod includes an input-side end rotatably connected to the rotating part and an annular output-side end connected to the swing end, and the crank-link mechanism converts the rotational motion of the input shaft into swing The swing movement of the connecting rod; the one-way rotation prevention mechanism, which fixes the swing connecting rod ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B21/12F16B21/16F16H21/20F16H35/00B60K17/08
CPCB60K17/08F16H21/12F16H21/16F16H21/20F16H35/00
Inventor 西村优史
Owner HONDA MOTOR CO LTD