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Pinion-shaft support structure for starter in power unit

A technology of power unit and supporting structure, which is applied to the starting of the engine, the starting device with mechanical power storage, the starting of the motor for the engine, etc., and can solve the problem that the pinion bracket cannot be supported on the crankcase and the durability of the pinion support shaft Difficulty and other issues

Inactive Publication Date: 2006-04-05
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to prevent the engine from vibrating to generate noise, although the transmission box body is connected to the crankcase through an elastic gasket in the middle, such a transmission box body is used as the above-mentioned conventional method, and the elastic support member is used to place the transmission box body in the middle. When the pinion bracket is connected to the crankcase, the pinion bracket cannot be firmly supported on the crankcase, and it is difficult to improve the durability of the pinion support shaft

Method used

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  • Pinion-shaft support structure for starter in power unit
  • Pinion-shaft support structure for starter in power unit
  • Pinion-shaft support structure for starter in power unit

Examples

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Embodiment Construction

[0025] Hereinafter, an embodiment of the present invention will be described based on an embodiment of the present invention shown in the drawings.

[0026] 1 is a side view of a motorcycle equipped with a power unit having a support structure for a pinion support shaft for a starter according to the present invention, figure 2 is an enlarged side view of the above-mentioned power unit, and Fig. 3 is along figure 2 A sectional view cut along line 3-3, Figure 4 is taken along the figure 2 sectional view of the 4-4 line cut, Figure 5 is along figure 2 Sectional view of the 5-5 line cut.

[0027] In addition, in the following description, front and rear and left and right are based on motorcycles.

[0028] First, in FIG. 1, the frame 1 of the motorcycle S is composed of a front frame 1f and a rear frame 1r. The front frame 1f extends downward from a head pipe 1h supporting a front fork 2 capable of controlling the direction and is supported. The footrest 3; the rear frame 1...

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PUM

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Abstract

Provided is a pinion-shaft support structure for starter in a power unit which can firmly fix a pinion holder to a crankcase thereby ensure stable supporting of the pinion shaft. In a case where one end of a pinion shaft (45) supporting a pinion (46) movably in an axial direction is supported with a bearing boss (48) which faces the inside of the transmission case (23) and which is formed in a crankcase (10), and the other end is supported with a boss (50a) of a pinion holder (50) provided in the transmission case (23), the pinion holder (50) is integrally fixed to the crankcase (10) with plural bolts (51 and 52) surrounding the boss (50a) at equal intervals.

Description

[0001] Supporting structure of the supporting shaft technical field [0002] The invention relates to a support structure for a pinion support shaft for a starter on a power unit. The power unit is interposed with an elastic gasket, and a side wall of a crankcase of an engine cooperates to form a gearbox case for accommodating a transmission. The gearbox case is connected to the one side wall, and the pinion support shaft is connected to the output shaft of the starter motor supported on the crankcase, and supports a movable shaft that can engage and separate from the ring gear of the engine. One end of the pinion support shaft can be freely rotatably supported on a side wall of the crankcase facing the inside of the above-mentioned gearbox case, and can be freely rotated by the pinion bracket arranged in the above-mentioned gearbox case. ground supports the other end of the pinion support shaft. Background technique [0003] In the past, the support structure for the pinio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02N11/00F02N15/02F02B61/02F02B75/02F02N11/02F02N15/00F02N15/06F16H57/021F16H57/031H02K7/10
CPCF02N15/06B62K2202/00F02B61/02F02B2075/027F02N11/02F02N15/00F02N15/006
Inventor 挂水贤一郎
Owner HONDA MOTOR CO LTD