JP2006008004A - Foot-operated transmission for motorcycle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a foot-operated transmission for a motorcycle eliminating a hand clutch lever attached to a handle bar part of a conventional motorbike or a motorcycle, capable of simultaneously performing clutch disengaging operation and gear shifting operation only by operation of a pedal for shifting and capable of simply and safely driving the motorbike and the motorcycle by anyone. <P>SOLUTION: The foot-operated clutch is replaced with a hand operated clutch for operating a clutch disengaging mechanism through an operation means such as a push/pull cable by operating a hand lever attached to the handle bar part of the motorbike and the motorcycle. In the foot-operated clutch, an arm bearing part of a shifting pedal and a pivot link type slide mechanism for disengaging the clutch with a protection cover are vertically connected by a connection arm and a connection shaft and the disengagement of the clutch and the gear shifting can be simultaneously operated only by foot operation. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a stepped transmission for a motorcycle that is used by being mounted on a motorcycle, a motorcycle, or the like.

  The transmission used in conventional motorcycles, motorcycles, etc. is configured by combining a manual clutch lever and a shift pedal, and when driving, it increases or decreases in accordance with an arbitrary traveling speed. However, when shifting, the clutch is released via an operating means such as a push-pull cable by grasping the manual clutch lever, and the speed is switched to an arbitrary speed by stepping on the shift pedal. It is a good way to ride with the clutch connected smoothly while releasing.

  However, when driving motorcycles and motorcycles for a long time, such as when it is cold in winter, there are safety problems such as the fingertips of the hands crouching and the clutch operation cannot be performed as expected. In addition, since both the clutch lever and the shift pedal need to be operated well, there are problems such as difficulty in concentrating on driving, especially for beginners.

  Also, when driving slowly over a long period of time, such as in a traffic jam, it is often necessary to drive in a half-clutch state, and the steering wheel grip on the clutch side cannot be grasped sufficiently, so there is a sense of instability in driving and there are safety issues is there.

For this reason, patent documents relating to motorcycle clutches filed so far are introduced for reference. (See Patent Documents 1 to 3.)
JP-A-62-125977 JP 62-167930 A JP-A-8-104278

  Therefore, in order to solve the above problem, the present invention eliminates the hand clutch lever attached to the handle portion of the conventional motorcycle or motorcycle, and performs the clutch release operation and the shift switching operation only by operating the shift pedal. Is to develop and provide a stepped transmission for a motorcycle that can be operated simultaneously and that anyone can easily drive a motorcycle or motorcycle safely.

  As a means for solving this problem, the present invention manually operates a clutch release mechanism by operating a hand lever attached to a handle portion of a motorcycle, a motorcycle or the like, and operating means such as a push-pull cable. A stepping-type clutch that changes to an operation-type clutch. The stepping-type clutch is constructed by vertically connecting an arm bearing portion of a speed change pedal and a clutch release swing link sliding mechanism with a protective cover by a connecting arm and a connecting shaft. In addition, the clutch release and the shift switching can be simultaneously operated only by a stepping operation.

  The clutch releasing slidable link type slide mechanism is located in the upper part of the shift pedal, and has a lateral T with a shaft provided at predetermined intervals in the horizontal left horizontal part and the vertical part centering on the swaying shaft part. A rectangular horizontal slide plate that is engaged with a letter-shaped link and a locking slot such as a bolt, nut, and washer in a guide long hole portion of the slide plate and is movable in the front-rear direction, and the rectangular horizontal slide plate Has shaft hole portions spaced at predetermined intervals at both upper and lower ends, and the vertical rotation shaft portion of the horizontal T-shaped link and the vertical and horizontal slide shaft portions of the vertically long horizontal slide plate are respectively connected horizontally by connecting arms. In addition, by vertically moving the connecting shaft portion around the swing shaft portion of the horizontal T-shaped link, the vertical connecting arm moves forward each time, and the rectangular horizontal slide plate and the connecting arm are slide plates. Pull forward along It is, is intended to release the clutch to pull the clutch release lever in the releasing direction.

  Further, the shift pedal has a push pedal on the front and rear sides around the shaft portion of the pedal, an arm bearing portion is provided at a substantially upper center on the front pedal arm side, and the connecting arm and the shift gear are provided. By providing a long hole having an appropriate predetermined dimension in the connecting bearing portion and providing play, the clutch release operation and the gear change operation can be smoothly performed.

  As an effect of the present invention, an arm bearing portion of a speed change pedal and a clutch release swing link type slide mechanism with a protective cover are provided vertically connected by a connecting arm and a connecting shaft, and only a stepping operation is performed to release the clutch and shift the gear. By enabling simultaneous switching, operation can be performed easily even in cold winter months, and it is very safe because it does not get tired even if it is driven for a long time.

  Further, the present invention can be mounted on a wide variety of motorcycles such as commercially available motorcycles and motorcycles, has versatility, and has a very beneficial effect such as great economic effect.

  As the best mode of the present invention, the foot-type transmission of the present invention has different dimensions and shapes depending on the type and size of the motorcycle or motorcycle to be mounted. It is desirable to reduce the cost to make it high quality and versatile.

  An embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2. A clutch is provided via an operating means such as a push-pull cable by operating a hand lever mounted on a handle portion of a motorcycle or a motorcycle. A foot-operated clutch that is replaced with a manually operated clutch that operates a release mechanism, and the foot-operated clutch includes a clutch release swing link type that includes an arm bearing (1b) portion of a speed change pedal (1) and a protective cover (2). A stepping mechanism for a motorcycle provided with a sliding mechanism (3) that is vertically connected by a connecting arm (4f) and a shaft portion (4c) (1b '), and that can be simultaneously operated to release a clutch and change gears by only a stepping operation. It consists of a type transmission.

  Further, the clutch release slide mechanism (3) for releasing the clutch is located above the speed change pedal (1), and has a predetermined interval (horizontal left lateral portion and upper and lower portions around the swing shaft portion (4b)). X), (Y), (Y ′), a horizontal T-shaped link (4a) provided with shaft portions (4c), (4d), (4e), and a guide slot (5d ′) in the slide plate (5d). ) Portion is provided with a rectangular horizontal slide plate (5a) that is engaged with locking members such as bolts (B), nuts (N), and washers (W), and is movable in the front-rear direction. The horizontal slide plate (5a) has shaft holes (5b) and (5c) portions with predetermined intervals ((Y) + (Y ′)) at both upper and lower ends, and a horizontal T-shaped link (4a). The vertical rotation shafts (4d) and (4e) of the rectangular horizontal slide plate (5a) are connected to the vertical and horizontal slide shafts (5b) and (5c). By connecting horizontally with the arms (4g) and (4h) and moving the connecting shaft (4c) up and down around the swing shaft (4b) of the lateral T-shaped link (4a), The upper and lower connecting arms (4g) and (4h) move forward each time, and the rectangular horizontal slide plate (5a) and the connecting arm (5e) are pulled forward along the slide plate (5d) to release the clutch. It is composed of a stepped transmission for a motorcycle characterized by releasing the clutch by pulling the lever (CL) in the release direction.

  The speed change pedal (1) has push pedals (1c) and (1d) on the front and rear sides around the shaft portion (1e) of the pedal, and a substantially upper central portion on the front pedal arm (1a) side. The arm bearing portion (1b) is provided on the connecting shaft, and the connecting arm (1f) and the connecting bearing portion (1g) of the transmission gear are provided with a long hole portion (1g ') having an appropriate predetermined dimension to provide play. The stepping type transmission for a motorcycle is characterized in that the clutch release operation and the shift switching operation can be performed smoothly.

  Next, the operation of the present invention will be described. FIG. 2 shows a relational diagram between the clutch release swing link type slide mechanism (3) and the speed change pedal (1), (A) is in neutral, (B) is At the first speed, (C) shows the operating state of the second speed to the fifth speed, and when starting, first press the depressing pedal (1c) of the shift pedal (1) from the neutral state before starting. Since the connecting arm (4f) pulls the arm portion (4a ') of the lateral T-shaped link (4a) downward, the lateral T-shaped link (4a) is left with the swing shaft portion (4b) as the center. The connecting arm (4g) is pulled forward, the rectangular horizontal slide plate (5a) slides forward, and the connecting arm (5e) pulls the clutch release lever (CL). The clutch is released. As soon as the clutch is released, the connecting arm (1f) of the transmission pedal (1) presses the connecting bearing portion (1g) of the transmission gear in the backward direction, and the reduction gear is switched to the first speed.

  When the speed is gradually increased from the 1st speed to the 2nd speed, 3rd speed, 4th speed, and 5th speed, as shown in Fig. 2 (C), the accelerator is returned instantly while gradually accelerating. At the same time, when the depressing pedal (1d) of the speed change pedal (1) is depressed, the connecting arm (4f) pushes up the arm portion (4a ′) of the lateral T-shaped link (4a) upward. Since the mold link (4a) rotates rightward about the swing shaft (4b), the connecting arm (4h) is pulled forward, and the rectangular horizontal slide plate (5a) is moved forward. Then, the connecting arm (5e) pulls the clutch release lever (CL), and the clutch is released. At the same time as the clutch is released, the connecting arm (1f) of the transmission pedal (1) pulls the connecting bearing portion (1g) of the transmission gear forward, and the reduction gear is switched to the second speed. Furthermore, if the same thing is repeated twice and three times while accelerating, the speed will increase step by step. Note that the connecting bearing portion (1g) of the transmission gear is provided with play by providing a long hole portion (1g ') in order to smoothly change the speed change.

  Of course, when decelerating the speed, the operation is performed in the reverse procedure to that described above while depressing the push pedal (1c) of the shift pedal (1).

  Also, when driving slowly, such as when there is a long traffic jam, it is called a seesaw foot clutch. To adjust the speed to an arbitrary speed according to the road conditions, use the front and rear push pedals (1c) (1d). Switch between the 2nd speed alternately and drive well while using properly.

  In addition, the clutch release slide mechanism (3) for releasing the clutch of the present invention is provided with a protective cover (2) so as to surround the whole and prevent the driver's clothes from getting tangled. Are fixed with bolts (B) and washers (W) so that the inside can be seen after disassembly.

  FIG. 3 shows an example of use of the present invention, and is a front view when mounted on a motorcycle.

The stepping type transmission for a motorcycle according to the present invention can perform a clutch releasing operation and a gear changing operation at the same time only by operating a stepping pedal for shifting, and anyone can easily and safely operate a motorcycle or motorcycle. Being able to do so has industrial applicability in terms of contributing to many motorcycle markets.

One Example of this invention is shown, (A) is a top view, (B) is a front view, (C) is the a section enlarged detail view of (B). The operation explanatory view is shown in one embodiment of the present invention, (A) is a neutral view, (B) is a first speed, (C) is a front view at 2.3.4.5 speed. It is a front view which shows the usage example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shift pedal 1a Front pedal arm 1b Arm bearing 1b 'Shaft part 1c Push pedal 1d Push pedal 1e Shaft 1f Connecting arm 1f' Connecting bolt 1g Connecting bearing part 1g 'Long hole part 2 Protective cover 3 Harness for clutch release Moving link type slide mechanism 4a Lateral T-shaped link 4a 'Arm part 4b Shaking shaft part 4c Connecting shaft 4d Shaft part 4e Shaft part 4f Connecting arm 4g Connecting arm 4h Connecting arm 5a Rectangular horizontal slide plate 5b Slide shaft part 5c Slide Shaft part 5d Slide plate 5d 'Guide long hole 5e Connecting arm B Bolt BK Motorcycle or motorcycle CL Clutch release lever CL' Shaft part of clutch release lever N Nut W washer X Predetermined Y Predetermined Y 'Predetermined

Claims (3)

  A foot-operated clutch that changes to a manually operated clutch that operates a clutch release mechanism via an operating means such as a push-pull cable by operating a hand lever attached to a handle part of a motorcycle or a motorcycle. The clutch is composed of an arm bearing (1b) portion of the shift pedal (1) and a clutch release slide link mechanism (3) with a protective cover (2), a connecting arm (4f) and a shaft portion (4c) (1b ′). A stepped transmission for a motorcycle that can be connected to the top and bottom of the vehicle and can be operated simultaneously by releasing the clutch and changing gears only by a stepping operation.   The clutch release swing link type slide mechanism (3) is located above the speed change pedal (1), and has a predetermined interval (X) between the horizontal left side and the top and bottom of the swing shaft (4b). (Y) (Y ′) Horizontal T-shaped link (4a) provided with shaft portions (4c), (4d), and (4e) respectively, and guide slot (5d ′) portion of slide plate (5d) Is provided with a rectangular horizontal slide plate (5a) which is engaged with a locking member such as a bolt (B), nut (N), or washer (W), and is movable in the front-rear direction, and the rectangular horizontal slide plate (5a) has shaft holes (5b) and (5c) portions with predetermined intervals ((Y) + (Y ′)) at both upper and lower ends, and the horizontal T-shaped link (4a) is turned up and down. The shaft (4d) (4e) and the vertically long and horizontal slide plate (5a) are connected to the connecting arm (4 ) And (4h), respectively, and by moving the connecting shaft portion (4c) up and down around the swing shaft portion (4b) of the horizontal T-shaped link (4a), 4g) and 4h move forward each time, and the rectangular horizontal slide plate (5a) and the connecting arm (5e) are pulled forward along the slide plate (5d), and the clutch release lever (CL) 2. The stepped transmission for a motorcycle according to claim 1, wherein the clutch is released by pulling in a release direction.   The transmission pedal (1) has a pedal (1c) (1d) that is pushed forward and backward about the shaft portion (1e) of the pedal, and an arm bearing at a substantially upper center on the front pedal arm (1a) side. By providing a slot (1b) and providing a play by providing a long hole having an appropriate predetermined dimension in the connecting arm (1f) and the connecting bearing portion (1g) of the transmission gear, the clutch release operation and the shift switching operation can be performed. The stepped transmission for a motorcycle according to claim 1, wherein the stepped transmission can be smoothly performed.

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