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Flexible engagement gear device

A technology of gear device and external gear, applied in the direction of gear transmission device, transmission device, belt/chain/gear, etc., can solve the problem of increasing the axial length of the device, so as to suppress the increase of the axial length, prevent performance and service life the effect of falling

Active Publication Date: 2015-08-12
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the structure described in Patent Document 1, there is a problem that the axial length of the device becomes longer.

Method used

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Examples

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Embodiment Construction

[0017] Below, refer to Figure 1 to Figure 6 , an example of the embodiment of the present invention will be described in detail.

[0018] First, an overview of the overall configuration of this embodiment will be described.

[0019] Such as figure 1 As shown, the flexural meshing gear unit 100 has a vibrating body 106 rotationally driven by a drive shaft 101 . Furthermore, the flexural meshing gear unit 100 is supported by the fixed-side member 136 and configured to transmit an output to the output-side member 152 .

[0020] Such as figure 1 As shown, the flexural meshing gear device 100 itself has: a vibrating body 106; an external gear 120, which is arranged on the outer periphery of the vibrating body 106 and has the flexibility to be flexurally deformed by the rotation of the vibrating body 106; The body bearing 110 is disposed between the vibrating body 106 and the external gear 120; the internal gear for deceleration (first internal gear) 130A has rigidity for inter...

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PUM

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Abstract

The present invention provides a flexible engagement gear device which can prevent reduction of performance and service life even if an eccentricity exists betwen a drive shaft and an internal gear, and can restrain increasement of axial length. In the flexible engagement gear device (100) having an oscillation starting body (106) for rotary driving through the drive shaft, the drive shaft (101) connects with the oscillation starting body (106) through a connector (103), wherein, the connector allows the axial center of the oscillation statring body (106) move along the radial, the oscillation starting body (106) and the connecter (103) are oppositedly arranged in the axial direction, and the oscillation starting body (106) is extendedly configurated on the outer side of the connector (103) in the radial direction.

Description

[0001] This application claims priority based on Japanese Patent Application No. 2014-022894 filed on February 7, 2014. The entire contents of this Japanese application are incorporated herein by reference. technical field [0002] The present invention relates to a flexural meshing gear unit. Background technique [0003] Patent Document 1 discloses a flexural meshing gear device having an oscillator driven to rotate by a drive shaft. In this flexural meshing type gear unit, a connecting member called an "Oldham coupling" is provided on a drive shaft and assembled on a vibrating body. Even if there is eccentricity between the drive shaft and the internal gear during assembly (it can also be called only the eccentricity of the drive shaft), the Oldham coupling can tolerate eccentricity and prevent performance and life from deteriorating. [0004] Patent Document 1: Japanese Patent Application Laid-Open No. 60-241550 [0005] However, in the structure described in Patent D...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/32
CPCF16H49/001
Inventor 安藤学吉田真司
Owner SUMITOMO HEAVY IND LTD