JP2005042910A - Clutch engaging and disengaging device and vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a clutch engaging and disengaging device, and a vehicle capable of performing the clutch operation both by a foot and a hand. <P>SOLUTION: In this clutch engaging and disengaging device comprising rods for moving a pressure plate 22 of a clutch mechanism 16, and engaging and disengaging the clutch by moving the pressure plate 22 of the clutch mechanism 16, the clutch is disengaged by moving the pressure plate 22 in the specific direction by pressing the rods 27, 28 from one side of the pressure plate 22 by operating the lever member 36. Further this clutch engaging and disengaging device disengages the clutch by moving the pressure plate 22 in the specific direction by pulling the rod 29 from the other side of the pressure plate 22 by operating the lever member 31. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a clutch engagement / disengagement device for engaging / disengaging a clutch, and a vehicle such as a motorcycle or a tricycle.

  Conventionally, saddle riding type vehicles are provided with a clutch mechanism for intermittently transmitting the driving force from the crankshaft of the engine to the main shaft, and a clutch interrupting device for interrupting the clutch mechanism is provided.

  Among these clutch on / off devices, there is one configured to perform gear shift operation by operating a shift pedal with a foot and to operate the clutch on / off device to intermittently connect a clutch mechanism (Patent Document). 1).

  According to this, just by operating the shift pedal with the foot, the clutch mechanism can be engaged and disengaged simultaneously, and the operability is good.

  On the other hand, in addition to what is operated with a foot, there is also one that can operate a clutch engagement / disengagement device by operating a clutch lever provided on a handle to discontinue a clutch mechanism (Patent Document 2). reference).

According to this, even at a relatively high engine speed, the clutch can be engaged and the starting speed and the like can be increased.
Japanese Patent Publication No. 07-65628. Japanese Patent Application Laid-Open No. 09-144774.

  However, in such a conventional vehicle, there is a vehicle equipped with both a change pedal operated by foot and a clutch lever operated by hand in order to disengage the clutch in the same saddle-ride type vehicle. Thus, both functions could not be used together, and the starting speed and the like could not be increased while improving operability.

  Therefore, the present invention has been made in view of the above points, and an object thereof is to provide a clutch engagement / disengagement device and a vehicle that can perform a clutch operation with any one of a foot and a hand.

  In order to achieve this object, the invention according to claim 1 is provided with a rod that moves the pressure plate of the clutch mechanism, and the clutch is intermittently engaged by moving the pressure plate of the clutch mechanism. In the interrupting device, by operating the first operating element, the rod is pushed or pulled from one side of the pressure plate to move the pressure plate in a predetermined direction so as to disengage the clutch. And the second operation element is operated to push or pull the rod from the other side of the pressure plate, thereby moving the pressure plate in the predetermined direction and moving the clutch. The clutch connecting / disconnecting device is configured to be disconnected.

  According to a second aspect of the present invention, there is provided a vehicle including: a clutch mechanism configured to engage / disengage a clutch by moving a pressure plate; a speed change mechanism configured to change speed by rotation of a shift shaft; and a handle. The shift shaft is connected to the pressure plate so that the clutch is disengaged by rotating the pressure plate in a predetermined direction by rotation thereof, and a clutch lever provided on the handle is operated to operate the pressure plate. The vehicle is connected to the pressure plate so that the clutch is disengaged by moving in the predetermined direction.

  According to a third aspect of the present invention, in addition to the configuration of the second aspect, the clutch lever and the pressure plate are brought into a non-coupled state by the rotation of the shift shaft, and the shift shaft and the shift shaft are operated by the operation of the clutch lever. The clutch lever and the shift shaft are connected to the pressure plate so that the pressure plate is not connected.

  According to a fourth aspect of the present invention, in addition to the configuration of the third aspect, the clutch mechanism has a rod connected to the pressure plate, and the clutch lever and the shift shaft are connected via the rod. It is connected to the pressure plate.

  According to the first aspect of the present invention, the first operating element is operated and moved from one side of the pressure plate, and the second operating element is operated from the other side of the pressure plate. Since the clutch is disengaged by being moved, a mechanism for moving the pressure plate by the first operating element and a mechanism for moving the pressure plate by the second operating element can be effectively arranged on both sides of the pressure plate. If it tries, one clutch can be connected / disconnected by several input means, although it is a compact structure.

  According to the second aspect of the present invention, the shift shaft is connected to the pressure plate so that the clutch is disengaged by rotating the pressure plate in a predetermined direction, and the clutch lever provided on the handle is Since the vehicle is connected to the pressure plate so that the clutch is disengaged by moving the pressure plate in a predetermined direction by operation, for example, the clutch can be normally connected / disconnected by a shift operation. Since both can be interrupted, both can be used together.

  According to the third aspect of the present invention, the clutch lever and the pressure plate are disconnected from each other by rotation of the shift shaft, and the shift shaft and pressure plate are disconnected from each other by operation of the clutch lever. Since the shift shaft and the pressure plate are connected to the pressure plate, when one of the shift shaft and the clutch lever is operated, the other and the pressure plate are disconnected, so that the clutch can be operated without affecting the other. Can be performed reliably.

  According to the fourth aspect of the present invention, the clutch mechanism has the rod connected to the pressure plate, and the clutch lever and the shift shaft are connected to the pressure plate via the rod. The lever and shift shaft can be connected to the pressure plate.

  Embodiments of the present invention will be described below.

  1 to 5 show an embodiment of the present invention.

  First, the configuration will be described. Reference numeral 11 in FIGS. 1 and 5 denotes a single-cylinder four-cycle, four-valve engine disposed in a motorcycle as a saddle-ride type vehicle. The engine 11 is provided with a crankshaft 12. The drive-side primary reduction gear 13 provided on the crankshaft 12 side is meshed with a driven-side primary reduction gear 15 provided rotatably on the main shaft 14.

  A clutch housing 17 of the clutch mechanism 16 is fixed to the driven-side primary reduction gear 15, and a plurality of friction plates 19 are locked to the clutch housing 17 by a claw portion (not shown). While configured to transmit power, a clutch plate 20 is inserted between each of the friction plates 19, and power is transmitted from the friction plate 19 to the clutch plate 20 by the frictional force between the plates 19 and 20. It is configured to be transmitted.

  The clutch boss 21 is locked to the claw portion of the clutch plate 20, and power is transmitted from the clutch plate 20 to the clutch boss 21, and this power is transmitted to the main shaft 14.

  Furthermore, a pressure plate 22 that press-contacts the friction plate 19 and the clutch plate 20 is disposed. The pressure plate 22 is disposed on the boss portion 21a of the clutch boss 21 so as to be movable in parallel with the axial direction of the main shaft 14, and is urged by a spring 23 in a direction in which the friction plate 19 and the clutch plate 20 are pressed against each other. Has been.

  Thus, the friction plate 19 and the clutch plate 20 are pressed against each other, so that the power from the clutch housing 17 is transmitted to the clutch boss 21.

  A release mechanism 26 for operating the pressure plate 22 is provided as follows.

  In the release mechanism 26, a first push rod 27, a sphere 28, and a second push rod 29 as "rods" are movably inserted into the hollow main shaft 14, and a shift as shown in FIGS. By the input from the pedal 50 or the clutch lever 51, they are moved and the pressure plate 22 is displaced.

  Specifically, the clutch lever 51 is disposed on the handle 52 as shown in FIGS. 1 and 5, and as shown in FIG. 4, the clutch lever 51 is connected to the lever member 31 as a “second operator” via a wire 53. It is connected. As shown in FIG. 1, the wire 53 is inserted into the insertion hole 31a of the lever member 31, and a locking body 53a as shown in FIG. It is hooked on the hook portion 31 b of the lever member 31. Thereby, the lever member 31 is rotated by pulling the wire 53 in the arrow direction in FIG.

  Further, a pinion shaft 32 is connected to the lever member 31 as shown in FIG. 1, and a pinion portion 32a is formed on the tip end portion side of the pinion shaft 32, and the pinion portion 32a is connected to the second pinion portion 32a. The push rod 29 meshes with the rack portion 29a. As shown in FIG. 3, the pinion shaft 32 is eccentric from the main shaft 14 toward the rear of the vehicle.

  The second push rod 29 has a flange 29b. A bearing 33 is interposed between the flange 29b and the pressure plate 22, and the second push rod 29 is in a non-rotatable state. However, the pressure plate 22 is configured to rotate.

  As a result, when the clutch lever 51 is gripped, the pinion shaft 32 is rotated, the rack portion 29a meshing with the pinion portion 32a is slid, the second push rod 29 is pulled, and the pressure plate 22 is moved to the spring 23. 1 is moved in parallel to the right in FIG. 1, and the pressure contact state between the friction plate 19 and the clutch plate 20 is released, and the clutch is disengaged. The pinion shaft 32, the second push rod 29, and the like constitute a “clutch lever coupling mechanism”.

  On the other hand, the shift pedal 50 is connected to the shift shaft 35, and is configured to rotate the shift shaft 35 by the operation of the shift pedal 50. The male screw portion 35a of the shift shaft 35 has a "first operating element" A nut portion 36 a at one end portion of the lever member 36 is screwed, and the other end portion 36 b of the lever member 36 is in contact with the end portion 27 a of the first push rod 27. The lever member 36 is configured such that a fulcrum part 36c at the center part is connected to a support shaft 37 and swings around the fulcrum part 36c.

  When the shift shaft 35 is rotated by the operation of the shift pedal 50, the nut portion 36a of the lever member 36 screwed into the male screw portion 35a of the shift shaft 35 is moved in the left direction in FIG. . The lever member 36 is swung by the movement of the nut portion 36a, and the first and second push rods 27, 29 are pushed and slid by the other end portion 36b of the lever member 36. Yes. By the sliding of the second push rod 29, the pressure plate 22 is translated in the right direction in FIG. 1 against the urging force of the spring 23, and the pressure contact state between the friction plate 19 and the clutch plate 20 is released. The clutch is configured to be disengaged. The lever member 36, the first and second push rods 27, 29, etc. constitute a “shift pedal coupling mechanism”.

  Here, by interposing the spherical body 28 between the first push rod 27 and the second push rod 29, both the push rods 27 and 29 can be moved relative to each other, and the first push rod 27 and the second push rod 29 can be moved relative to each other. One can be made unrotatable and the other can be made turnable. Incidentally, in this embodiment, both push rods 27 and 29 are in a non-rotatable state.

  The first push rod 27 is inserted into the hollow main shaft 14, and a small diameter portion 27 b having a smaller diameter than other portions is formed at the left end portion. The small diameter portion 27 b protrudes laterally from the left end portion of the main shaft 14, and the protruding portion is supported by the bearing portion 39 a of the crankcase 39.

  Further, the main shaft 14 is supported by the crankcase 39 via a pair of roller bearings 40.

  In FIG. 5, reference numeral 54 is a seat, 55 is a front wheel, and 56 is a rear wheel.

  In such a case, by operating the shift pedal 50 with the foot, the gear shift operation and the intermittent operation of the clutch mechanism 16 can be performed, the operability is good, and the clutch lever 51 is operated by hand. Thus, the clutch mechanism 16 can be intermittently operated even when the vehicle speed is high.

  Further, the clutch is disengaged by operating and moving from one side of the pressure plate 22 by operating the shift pedal 50, and by operating and moving from the other side of the pressure plate 22 by operating the clutch lever 51. Thus, the mechanism for moving the pressure plate 22 by the shift pedal 50 and the mechanism for moving the pressure plate 22 by the clutch lever 51 can be effectively arranged on both sides of the pressure plate 22.

  Further, by operating the clutch lever 51, only the second push rod 29 is pulled and the first push rod 27 does not move, so that the shift shaft 35 and the pressure plate 22 are disconnected. Further, when the shift shaft 35 is rotated, the first push rod 27 and the second push rod 29 are moved, and the lever member 31 is rotated clockwise in FIG. 4 via the pinion shaft 32. In this case, since the wire 53 is inserted into the insertion hole 31a of the lever member 31 and the locking body 53a is simply hooked on the hook portion 31b of the lever member 31, the lever member 31 is not shown in FIG. 4, when rotating clockwise, only the lever member 31 is rotated, and the locking body 53 a is separated from the hook portion 31 b of the lever member 31. Therefore, the clutch lever 51 and the pressure plate 22 are disconnected. As a result, regardless of whether the clutch lever 51 is operated or the shift shaft 35 is rotated, the clutch can be reliably operated without affecting the other.

  Furthermore, here, the main shaft 14 is supported at a predetermined position via a pair of roller bearings 40, and the left end portion of the first push rod 27 inserted into the main shaft 14 is also connected via the bearing portion 39a. Since the main shaft 14 and the first push rod 27 are set in a predetermined positional relationship because they are supported at a predetermined position, a predetermined gap is provided between the main shaft 14 and the first push rod 27. Thus, the influence of the rotation of the main shaft 14 on the first push rod 27 can be reduced as much as possible, and wear of the main shaft 14 and the first push rod 27 can be suppressed.

  Moreover, as shown in FIG. 3, the pinion shaft 32 is eccentric to the rear of the vehicle with respect to the main shaft 14, so that interference with the suspension boss can be prevented. That is, for example, if the pinion shaft 32 is eccentric from the main shaft 14 toward the front of the vehicle and the lever member 36 is extended rearward as shown by a two-dot chain line in FIG. Interact with the boss and affect the car body layout. For this reason, the pinion shaft 32 is eccentric from the main shaft 14 toward the rear of the vehicle, and the lever member 36 is extended toward the front of the vehicle body, thereby preventing interference with the suspension boss.

  In addition, the shifting clutch mechanism 16 provided separately from the starting centrifugal clutch 42 may be used as a starting manual clutch, for example, to increase the engine speed at the time of clutch meet and enable sports running.

  In the above embodiment, the clutch lever 51 is operated to pull the second push rod 29, and the shift pedal 50 is operated to push the second push rod 29. However, the present invention is not limited to this. Alternatively, the reverse relationship, that is, the second push rod 29 can be pushed by operating the clutch lever 51 and the second push rod 29 can be pulled by operating the shift pedal 50.

1 is a cross-sectional view of an engine of a saddle-ride type vehicle according to an embodiment of the present invention. It is a figure which shows the rack part and pinion part which concern on the embodiment. It is the schematic which looked at the engine which concerns on the embodiment from the side. It is the figure seen from the arrow A direction of FIG. 3 which concerns on the same embodiment. It is a side view of the front side of the vehicle which concerns on the same embodiment.

Explanation of symbols

11 engine
12 Crankshaft
14 Main axis
16 Clutch mechanism
22 Pressure plate
26 Release mechanism
27 First push rod (rod)
28 sphere
29 Second push rod (rod)
29a Rack
31 Lever member (second operating element)
32 pinion shaft
35 Shift axis
36 Lever member (first control)
39 Crankcase
40 Roller bearing
50 shift pedal
51 Clutch lever

Claims (4)

In the clutch on / off device provided with a rod for moving the pressure plate of the clutch mechanism, and by moving the pressure plate of the clutch mechanism, the clutch is engaged / disengaged,
By operating the first operation element to push or pull the rod from one side of the pressure plate, the pressure plate is moved in a predetermined direction to disengage the clutch. The second operating element is operated to push or pull the rod from the other side of the pressure plate, thereby moving the pressure plate in the predetermined direction to disengage the clutch. A clutch connecting / disconnecting device characterized by that. In a vehicle provided with a clutch mechanism that is configured to engage and disengage the clutch by moving the pressure plate, a speed change mechanism that is configured to change speed by rotation of the shift shaft, and a handle,
The shift shaft is connected to the pressure plate so that the clutch is disengaged by rotating the pressure plate in a predetermined direction by rotation thereof, and a clutch lever provided on the handle is operated to operate the pressure plate. A vehicle connected to the pressure plate so that the clutch is disengaged by moving in the predetermined direction.   The clutch lever and the pressure shaft are disengaged by rotation of the shift shaft, and the shift shaft and pressure plate are disengaged by operation of the clutch lever. The vehicle according to claim 2, wherein the vehicle is connected to the pressure plate. The vehicle according to claim 3, wherein the clutch mechanism includes a rod connected to the pressure plate, and the clutch lever and the shift shaft are connected to the pressure plate via the rod.

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