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Multistage transmission

A technology for transmissions and gear shafts, applied in the field of multi-stage transmissions, can solve problems such as the inability to use swing claw parts, and achieve the effect of avoiding large-scale and easy swinging

Inactive Publication Date: 2012-07-04
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to perform engagement and disengagement in two directions of the relative rotation directions of the gear and the gear shaft, two types of swings are provided on the gear shaft in which the pin support portion and the engagement pawl portion are disposed opposite to each other in the circumferential direction. Claw parts, but because the swing claw parts themselves are asymmetrical and have a structure in which torsion coil springs are arranged close to the side of the swing claw parts, the shapes of the two swing claw parts are different from each other, so the same shape cannot be used. Swing claw parts

Method used

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  • Multistage transmission
  • Multistage transmission
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Examples

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Embodiment Construction

[0041] Below, based on Figure 1 to Figure 20 One embodiment of the present invention will be described.

[0042] The multi-stage transmission 10 in this embodiment is incorporated into an internal combustion engine mounted on a motorcycle.

[0043] figure 1 is a cross-sectional view of the multi-stage transmission 10, such as figure 1 As shown, the multi-stage transmission 10 is arranged together with the internal combustion engine in the internal combustion engine housing 1 .

[0044] The internal combustion engine case 1 formed by combining the left and right internal combustion engine case 1L and the internal combustion engine right case 1R separated from the left and right forms a transmission chamber 2, and in the transmission chamber 2, shafts parallel to each other and pointing to the left and right directions are axially supported in a freely rotatable manner. Main gear shaft 11 and intermediate gear shaft 12 .

[0045] The main gear shaft 11 is rotatably supporte...

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Abstract

A multistage transmission (10) is provided that eliminates an axial space dedicated to biasing means for swingably biasing a swing claw member (R) and that can use the swing claw members (R) of the same kind in place of swing claw members (R) of two kinds which establish engagement between a gear and a gear shaft and release the engagement in both relative rotation directions thereof. A multistage transmission (10) that includes a swing claw member (R) having a pin-receiving portion (Rq) adapted to receive a pin member (23) and an engaging claw (p) portion (Rp) on respective sides opposite toeach other with respect to swing center, and swung by the advancement and retraction of the pin member (23) to allow the engaging claw portion (Rp) to establish engagement and release the engagement;and biasing means (22) for biasing the swing claw member (R) in a swing direction of bringing the engaging claw portion (Rp) into engagement. The biasing means (22) is a compression spring (22) interposed between the inner surface of the engaging claw portion (Rp) of the swing claw member (R) and the surface of the gear shaft (12) opposed thereto.

Description

technical field [0001] The present invention relates to a multi-stage transmission. The multi-stage transmission is respectively supported on mutually parallel gear shafts with a plurality of driving gears and driven gears which are in a constant mesh state at each transmission stage. Background technique [0002] In this constant mesh multi-stage transmission, one of the driving gear and the driven gear is fixed on the gear shaft, and the other is rotatably supported on the gear shaft, and an engagement device is used to switch between the freely rotatable gears and the driven gear. The gear shaft engages with the gear to change speed. [0003] For the engagement between such a gear and a gear shaft, there is a structure in which a swing claw member operated by a cam member is used in the case of the applicant's previous application (Patent Document 1). [0004] Patent Document 1: Japanese Patent Application No. 2008-093702 [0005] In the engagement device of the multi-s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/10
CPCF16H2063/3093F16H2063/3096F16H3/083F16H63/30Y10T74/19279Y10T74/19223
Inventor 松本真也
Owner HONDA MOTOR CO LTD