JP6628649B2 - Rocking vehicle - Google Patents

Description

  The present invention relates to a swing type vehicle.

  2. Description of the Related Art Conventionally, in an oscillating vehicle having two front wheels on the left and right, a technique is known in which a brake operation transmitting member is routed through a steering shaft (see, for example, Patent Document 1).

International Publication No. 2015-002167

However, in the above-mentioned conventional rocking type vehicle, although the brake operation transmitting member is guided through the steering shaft, the brake operation transmitting member can be guided. The degree of bending of the brake operation transmitting member may be increased. For this reason, it is desired that an operation transmission member such as a brake operation transmission member can be routed with a small degree of bending.
The present invention has been made in view of the above-described circumstances, and an object of the present invention is to enable an oscillating vehicle to route an operation transmission member with a small degree of bending.

In order to achieve the above object, the present invention provides a vehicle body frame (11) including a head pipe (15) and a main frame (16) extending rearward from the head pipe (15); An upper arm (44) swingably supported, a lower arm (45) disposed below the upper arm (44) and swingably supported by the vehicle body frame (11); 44), a side member (47) for rotatably connecting the end (65c, 66c) and the end (59) of the lower arm (45), and the upper arm (44) and the lower arm (45). A swing mechanism (13) constituted by a swing arm (43) provided and the side member (47); and wheels (2L, 2) supported below the side member (47). ), A brake operation transmitting member (83) for transmitting a brake operation input to a brake operator (81) provided on one handle (54L) in the vehicle width direction to a brake operating portion (82), and a vehicle width. And a throttle operation transmitting member (86) for transmitting a throttle operation input to a throttle operator (85) provided on the other handle (54R) of the direction to a throttle device. ) Are provided so as to surround the body frame (11) from the periphery to form a surrounding portion (63). The surrounding portion (63) has an opening (64) formed in an arc shape, and 64) is formed such that an opening area is minimized at a vertically intermediate portion (110a) of the lower arm (45), and the brake operation transmitting member (83) and the slot Torr operation transmitting member (86), characterized in that it is inserted into the enclosing portion (63).
According to the present invention, in the swing type vehicle, the lower arm is provided so as to surround the body frame from the periphery to form a surrounding portion, and the surrounding portion has an opening formed in an arc shape. The area is formed so as to be minimum at the middle part in the vertical direction of the lower arm, and the brake operation transmitting member and the throttle operation transmitting member are inserted into the enclosure. This allows the brake operation transmitting member and the throttle operation transmitting member to pass through the surrounding portion along the vehicle body frame, so that the brake operation transmitting member and the throttle operation transmitting member can be routed with a small degree of bending. In addition, since the opening of the surrounding portion of the lower arm has an arc shape, the rigidity of the lower arm can be secured while ensuring a large area of the opening. Furthermore, since the opening area of the enclosing portion is formed so as to be minimum at the middle portion of the lower arm in the vertical direction, when the body frame swings, the clearance between the body frame and the enclosing portion can be secured. Thus, a large bank angle of the swing type vehicle can be secured.

Further, in the present invention, the brake operation transmitting member (83) is inserted into the other side of the enclosing portion (63), and the throttle operation transmitting member (86) is inserted into the one side of the enclosing portion (63). Characterized in that it is inserted through
According to the present invention, a brake operation transmitting member extending from one handle in the vehicle width direction is inserted into the other side of the enclosure, and a throttle operation transmitting member extending from the other handle in the vehicle width direction is connected to one side of the enclosure. Therefore, the brake operation transmitting member and the throttle operation transmitting member can be arranged long in the vehicle width direction.
Also, in the present invention, the main frame (16) may include an upper main frame (16a) connected to an upper part of the head pipe (15) and a lower main frame connected to a lower part of the head pipe (15). (16b), wherein the brake operation transmitting member (83) and the throttle operation transmitting member (86) are arranged along the lower main frame (16b) after passing through the enclosing portion (63). It is characterized by that.
According to the present invention, the brake operation transmitting member and the throttle operation transmitting member are arranged along the lower main frame after passing through the enclosure. Accordingly, the brake operation transmission member and the throttle operation transmission member are disposed along the lower main frame of the upper main frame and the lower main frame, and thus the bending operation transmission member and the throttle operation transmission member have a degree of bending. Can be routed in a small state.
Further, according to the present invention, a handle post (53) attached to a handle steering shaft (52) supported by the head pipe (15) includes a post (96) supporting a steering handle (54); A cover (95) provided so as to cover a gap between the post (96) and the vehicle body cover (5), wherein the cover (95) is provided with the brake operation transmitting member (83) and the throttle operation; An opening (97) through which the transmission member (86) is inserted is provided.
According to the present invention, the handle post attached to the handle steering shaft supported by the head pipe includes a post portion supporting the steering handle, and a cover portion provided so as to cover a gap between the post portion and the vehicle body cover. And the cover portion has an opening through which the brake operation transmitting member and the throttle operation transmitting member are inserted. Accordingly, the brake operation transmission member and the throttle operation transmission member can be guided by the opening, so that the brake operation transmission member and the throttle operation transmission member can be appropriately held even when the steering wheel is turned. Further, the brake operation transmitting member and the throttle operation transmitting member can be hidden by the cover portion, and the appearance is good.

Further, in the present invention, the cover (95) is formed in a circular shape, and the opening (97) is formed along the outer periphery (95a) of the front part of the cover (95). It is characterized by the following.
According to the present invention, the cover is formed in a circular shape, and the opening is formed along the outer periphery of the front part of the cover. Thus, when the steering wheel is steered, the opening moves relatively to the brake operation transmitting member and the throttle operation transmitting member along the arcuate portion, so that the steering handle can be smoothly steered. Further, the size of the opening can be minimized.
In the present invention, the surrounding portion (63) may be formed on the one side and the other side of the head pipe (15), respectively, by the lower arm (45) surrounding the head pipe (15). It is characterized by having been done.
According to the present invention, since the surrounding portion is formed on one side and the other side of the head pipe by surrounding the head pipe with the lower arm, the brake is effectively used by using the space on the side of the head pipe. The operation transmission member and the throttle operation transmission member can be routed.
Further, in the present invention, the lower arm (45) is integrated by fastening a front lower arm (60) and a rear lower arm (61) divided into front and rear with a plurality of arm fastening bolts (100). An opening (64) of the surrounding portion (63) of the lower arm (45) has an upper opening (64a) on the upper surface side of the lower arm (45) and a lower opening (64) on the lower surface side of the lower arm (45). 64b), and at least one of the arm fastening bolts (100) has a vehicle width wider than outer ends (64a1, 64b1) of the upper opening (64a) and the lower opening (64b) in the vehicle width direction. It is provided inside the direction.
According to the present invention, the lower arm is integrated by fastening the front lower arm and the rear lower arm divided into front and rear with a plurality of arm fastening bolts, and the opening of the surrounding portion of the lower arm is A lower opening on the lower side of the lower arm, and at least one of the arm fastening bolts is provided inside the outer ends of the upper opening and the lower opening in the vehicle width direction in the vehicle width direction. Have been. Accordingly, the arm fastening bolts for fastening the front lower arm and the rear lower arm can be arranged at positions closer to the inside in the vehicle width direction, so that the rigidity of the lower arm can be effectively improved.

In the swing type vehicle according to the present invention, the brake operation transmitting member and the throttle operation transmitting member can be routed with a small degree of bending. In addition, the rigidity of the lower arm can be ensured, the clearance between the body frame and the surrounding portion when the body frame swings can be secured, and the bank angle of the swing type vehicle can be largely secured.
Further, the brake operation transmitting member and the throttle operation transmitting member can be routed along the lower main frame with a small degree of bending.
Further, the brake operation transmission member and the throttle operation transmission member can be guided by the opening of the handle post, and the brake operation transmission member and the throttle operation transmission member can be hidden by the cover portion of the handle post.
Further, the steering handle can be smoothly turned, and the size of the opening of the handle post can be minimized.
Further, the brake operation transmitting member and the throttle operation transmitting member can be routed by effectively using the space on the side of the head pipe.
Further, the rigidity of the lower arm can be effectively improved by the arm fastening bolt arranged at a position closer to the inner side in the vehicle width direction.

1 is a left side view of an oscillating vehicle according to an embodiment of the present invention. It is the front view which looked at the rocking type vehicle from the front. FIG. 3 is a sectional view taken along line III-III of FIG. 2. It is the figure which looked at the front part of the rocking type vehicle from the front upper part. It is the perspective view which looked at the front part of the rocking type vehicle from the right rear side. It is the front view which looked at the rocking | fluctuation mechanism from the front side. FIG. 7 is a sectional view taken along line VII-VII of FIG. 6.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the description, directions such as front and rear, left and right, and up and down are the same as directions to a vehicle unless otherwise specified. In addition, the reference numeral FR shown in each drawing indicates the front of the vehicle, the reference UP indicates the upper side of the vehicle, and the reference LH indicates the left side of the vehicle.

FIG. 1 is a left side view of an oscillating vehicle according to an embodiment of the present invention. In FIG. 1, only the left side is provided as a pair provided on the left and right sides.
The oscillating vehicle 10 includes a body frame 11, a pair of left and right front wheels 2 </ b> L and 2 </ b> R (wheels) provided below the front portion of the body frame 11, respectively, and a rear portion of the oscillating vehicle 10 in the vehicle width direction. This is a three-wheel vehicle including one rear wheel 3 provided at the center and a power unit 12 that drives the rear wheel 3 that is a driving wheel. Further, the rocking type vehicle 10 includes a rocking mechanism 13 that rocks the vehicle body on the front side of the vehicle body frame 11.
The oscillating vehicle 10 is a saddle-ride type vehicle provided with a seat 4 on the rear side on which an occupant sits so as to straddle the vehicle. The swing type vehicle 10 includes a vehicle body cover 5 that covers the vehicle body frame 11.

FIG. 2 is a front view of the oscillating vehicle 10 as viewed from the front. FIG. 3 is a sectional view taken along line III-III of FIG. FIG. 4 is a view of the front part of the rocking vehicle 10 as viewed from the upper front. FIG. 5 is a perspective view of the front part of the rocking vehicle 10 as viewed from the right rear side. Here, FIGS. 2 to 5 show a state in which exterior parts such as the vehicle body cover 5 have been removed to show the internal structure.
Referring to FIGS. 1 to 5, a body frame 11 includes a front end head pipe 15, a main frame 16 extending rearward and downward from head pipe 15, and a rear end upwardly extending rearward from a rear end of main frame 16. A pair of left and right rear frames 17, 17 are provided.

The head pipe 15 is located at the center of the oscillating vehicle 10 in the vehicle width direction, and is disposed to be inclined rearward in a side view.
The main frame 16 includes an upper main frame 16 a connected to an upper portion of the head pipe 15, a lower main frame 16 b connected to a lower portion of the head pipe 15, and a diagonally downward rearward from a rear end of the lower main frame 16 b. A rear main frame 16c that is bent and then extends substantially horizontally rearward, and a pair of left and right connecting frames 16d, 16d connecting an upper portion of the rear main frame 16c and a rear end of the upper main frame 16a. Prepare.

The upper main frame 16a extends rearward and downward from the rear surface of the upper portion of the head pipe 15 in a posture substantially perpendicular to the head pipe 15. The lower main frame 16b extends rearward from the rear surface of the lower portion of the head pipe 15 substantially in parallel with the upper main frame 16a. The lower main frame 16b is longer than the upper main frame 16a.
A head pipe rear space K surrounded by a head pipe 15, an upper main frame 16a, a lower main frame 16b, and connecting frames 16d, 16d is formed in a front portion of the body frame 11 in a side view.

As shown in FIG. 1, the power unit 12 is arranged behind the main frame 16 and below the rear frames 17, 17. The power unit 12 is a unit swing type in which the engine 20 and a transmission case 21 containing a belt-type continuously variable transmission mechanism (not shown) are integrated, and also has a function as a swing arm that supports the rear wheel 3. are doing.
The power unit 12 is connected to a rear end portion of the main frame 16 via a link member 22 connected to a front portion thereof, and is capable of swinging up and down around a pivot shaft 23 provided on the link member 22. .

  The transmission case 21 extends below the left rear frame 9 to the left of the rear wheel 3, and the rear wheel 3 is supported by a rear wheel axle 24 provided at the rear end of the transmission case 21. A rear suspension 25 extends between the rear end of the transmission case 21 and the rear frame 17. The air cleaner box 26 of the engine 20 is provided above the transmission case 21. The muffler 27 of the engine 20 is arranged on the right side of the rear wheel 3.

The vehicle body cover 5 includes a front cover 30 that covers the swing mechanism 13 and the head pipe 15 from the front, side, and above, a leg shield 31 that covers a front portion of the main frame 16 from behind, and a rear portion of the main frame 16 from above. It includes a step floor 32 for covering, and a rear cover 33 for covering the rear frames 17, 17 below the seat 4. A windscreen 34 is provided on the front cover 30.
The rear wheel 3 is covered by a rear fender 35 from above. The front wheels 2L, 2R are covered from above by a pair of left and right front fenders 36,36.

Referring to FIGS. 2 to 5, a bolt-shaped upper swing shaft 40 is fastened and fixed to the upper front surface of the head pipe 15. The upper swing shaft 40 is arranged in a rearwardly downward posture when viewed from the side, and a distal end portion is screwed to the front surface of the head pipe 15.
A lower swing shaft 41 (FIG. 3) extending forward and backward from the head pipe 15 is provided below the head pipe 15. The lower swing shaft 41 is arranged in parallel with the upper swing shaft 40 and extends rearward and downward.
Specifically, the lower swing shaft 41 includes a first lower swing shaft 41a that extends obliquely forward and upward from the front surface of the head pipe 15, and a second lower swing shaft 41 that extends obliquely downward and rearward from the rear surface of the head pipe 15. A lower swing shaft 41b. The first lower swing shaft 41a and the second lower swing shaft 41b are arranged coaxially.

A swing arm 43 that can swing right and left is provided in front of the head pipe 15.
The swing arm 43 includes an upper arm 44 that can swing left and right around the upper swing shaft 40, and a lower arm 45 that can swing left and right around the lower swing shaft 41.
In front of the swing arm 43, a roll damper 38 that suppresses displacement (displacement in the roll direction) of the swing arm 43 around the upper swing shaft 40 and the lower swing shaft 41 is provided.
The upper arm 44 and the lower arm 45 extend in the left-right direction (vehicle width direction) from the center in the vehicle width direction, and rotate the left and right front wheels 2L, 2R at the left and right ends of the upper arm 44 and the lower arm 45, respectively. A left front wheel support member 46L and a right front wheel support member 46R, which are supported as possible, are respectively supported.

The left front wheel support member 46L and the right front wheel support member 46R include pipe-shaped side members 47, 47 connected to the upper arm 44 and the lower arm 45, and a steering shaft rotatably supported in the side members 47, 47. 37, 37 (FIG. 4), bottom bridges 48, 48 fixed to the lower ends of the steering shafts 37, 37, and link suspension mechanisms 49, 49 (suspension) connected to the bottom bridges 48, 48, respectively. .
Each bottom bridge 48 is rotatable left and right around the steering shafts 37, 37. The bottom bridge 48 includes a rear extension 48a extending inward and rearward in the vehicle width direction, and a support arm 48b extending downward from a rear portion of the rear extension 48a.
Tie rod connecting arms 50, 50 extending forward above the front wheels 2L, 2R are attached to front portions of the bottom bridges 48, 48, respectively.

  As shown in FIG. 3, the link type suspension mechanism 49 has a bottom link 49a extending forward from the lower end of the support arm 48b, and a tubular link extending between the front end of the bottom link 49a and the rear extension 48a. And a shock absorber 49b. The bottom link 49a is supported so as to be able to swing up and down around a rear end portion, and the front wheels 2L and 2R are respectively supported by axles 51 provided at the front end of the bottom link 49a.

A handle steering shaft 52 (FIG. 3) is supported in the head pipe 15. A handle post 53 is provided at an upper end of the handle steering shaft 52, and a steering handle 54 operated by an occupant is supported by the handle post 53.
The handle steering shaft 52 extends downward through the head pipe 15, and a tie rod support arm 55 that rotates integrally with the handle steering shaft 52 is fixed to a lower end of the handle steering shaft 52. The tie rod support arm 55 is connected to the tie rod connection arms 50, 50 by a pair of left and right tie rods 56L, 56R extending in the vehicle width direction.
When the steering handle 54 is steered, the bottom bridges 48, 48 are rotated about the steering shafts 37, 37 via the tie rod support arms 55, the tie rods 56L, 56R, and the tie rod connecting arms 50, 50, thereby Accordingly, the front wheels 2L and 2R are operated in the direction in which the steering wheel 54 is steered.

The side members 47 are located on the left and right sides of the head pipe 15, respectively, and are arranged in parallel with the head pipe 15.
The side members 47, 47 include upper connecting shafts 47a, 47a extending forward from the upper front surface, and lower connecting shafts 47b, 47b extending forward and rearward from the lower front and rear surfaces. The upper connection shafts 47a, 47a and the lower connection shafts 47b, 47b are arranged in parallel with the upper swing shaft 40 and the lower swing shaft 41. More specifically, the lower connecting shafts 47b, 47b are first lower connecting shafts 47b1, 47b1 extending forward from the front surfaces of the side members 47, 47, and second lower shafts 47, 47 extending rearward from the rear surfaces of the side members 47, 47. Lower connection shafts 47b2 and 47b2 (FIG. 5) are provided.

  The lower arm 45 is formed in an arm shape extending in the vehicle width direction, and has a lower swing center portion 58 (FIG. 4) supported by the lower swing shaft 41 at the center in the vehicle width direction. The lower arm 45 is formed to be inclined so as to be located lower as going outward from the lower swing center portion 58 in the vehicle width direction. That is, the lower arm 45 is formed in an inverted V shape in a front view.

The lower arm 45 includes a front lower arm 60 disposed in front of the head pipe 15 and extending in the vehicle width direction, a rear lower arm 61 disposed behind the head pipe 15 and extending in the vehicle width direction, and a front lower arm 60. And a pair of left and right front and rear connecting portions 62, 62 for connecting the rear lower arm 61 and the rear lower arm 61 in the front and rear direction.
The front lower arm 60 includes a front swing center portion 60a pivotally supported by the first lower swing shaft 41a, and left and right front arm portions 60b extending from the front swing center portion 60a to the front sides of the side members 47, 47. , 60b, and front end portions 60c, 60c of the side members 47, 47, which are pivotally supported by the first lower connecting shafts 47b1, 47b1.
The front arm portions 60b, 60b are formed to be inclined so as to be located lower as going outward from the front swing center portion 60a in the vehicle width direction.

The rear lower arm 61 includes a rear swing center 61 a (FIG. 3) that is supported by the second lower swing shaft 41 b, and a rear swing center 61 a from the rear swing center 61 a to the rear side of the side members 47. Left and right rear arms 61b, 61b extending therefrom, and rear ends 61c, 61c (FIG. 5) pivotally supported by second lower connecting shafts 47b2, 47b2 of the side members 47, 47 are provided.
The rear arm portions 61b, 61b are formed so as to be inclined so as to be located lower as going outward from the rear swing center portion 61a in the vehicle width direction.
The front ends 60c, 60c and the rear ends 61c, 61c form ends 59, 59 (ends of the lower arm) of the lower arm 45 rotatably connected to the side members 47, 47.

The lower swing center portion 58 (FIG. 4) includes a front swing center portion 60a and a rear swing center portion 61a.
The left and right front / rear connecting portions 62, 62 are provided at intermediate portions in the vehicle width direction of the front arm portions 60b, 60b and the rear arm portions 61b, 61b, and are provided between the head pipe 15 and the side members 47, 47. At this position, the front arms 60b, 60b and the rear lower arm 61 are connected. The front and rear connecting portions 62 are provided to be spaced apart from the head pipe 15 in the vehicle width direction.

  That is, the lower arm 45 is provided so as to sandwich the head pipe 15 between the front lower arm 60 and the rear lower arm 61 from the front and rear. , 62. As a result, the lower arm 45 has a central portion in the vehicle width direction of the front lower arm 60, a central portion in the vehicle width direction of the rear lower arm 61, and an enclosing portion 63 defined by left and right front and rear connecting portions 62, 62. Is done. The circumference of the head pipe 15 is surrounded by the surrounding part 63. The head pipe 15 is vertically passed through an opening 64 inside the surrounding portion 63.

Specifically, the head pipe 15 is provided at a central portion in the vehicle width direction in the surrounding portion 63. Thereby, the inside of the surrounding portion 63 is partitioned in the vehicle width direction by the head pipe 15, and inside the surrounding portion 63, one side opening 64 </ b> L on one side (left side) of the head pipe 15 in the vehicle width direction, Fifteen other openings 64R on the other side (right side) in the vehicle width direction are formed.
The front lower arm 60 and the rear lower arm 61 are connected to each other by arm fastening bolts 100 (see FIGS. 6 and 7), which are inserted through the front and rear connecting portions 62 from behind.
The lower main frame 16b is located below the surrounding portion 63.

The upper arm 44 is divided into left and right sides, and has a one-side upper arm 65 extending from the upper swing shaft 40 to the side member 47 on one side (left side), and another side (right side) from the upper swing shaft 40. And the other upper arm 66 extending to the side member 47.
The other upper arm 66 is connected to a first upper swing center 66 a pivotally supported by the upper swing shaft 40 and to the other side member 47 extending from the first upper swing center 66 a to the other side. And an upper forearm portion 66b to be connected. The upper forearm portion 66b has an outer end portion having a cylindrical end portion 66c that is pivotally supported by the upper connection shaft 47a of the other side member 47.

The one-side upper arm 65 includes a second upper swing center 65 a pivotally supported by the upper swing shaft 40 behind the first upper swing center 66 a, and a second upper swing center 65 a. And an upper rear arm portion 65b extending to one side and connected to the one side member 47. The upper rear arm portion 65b has, at its outer end, a cylindrical end 65c that is supported by the upper connection shaft 47a of the one side member 47.
That is, the other upper arm 66 and the one upper arm 65 are arranged side by side on the upper swing shaft 40 in front and rear.

  The other-side upper arm 66 and the one-side upper arm 65 are formed to be inclined so as to be located lower as going outward from the upper swing shaft 40 in the vehicle width direction, and end portions 66c, 65c (of the upper arm). The ends) are located below the first upper swing center portion 66a and the second upper swing center portion 65a, respectively. That is, the upper arm 44 formed by combining the other upper arm 66 and the one upper arm 65 is formed in an inverted V-shape when viewed from the front.

In the present embodiment, the lower arm 45 is swingably supported on the head pipe 15 by the lower swing shaft 41, and the other upper arm 66 and the one upper arm 65 are swung by the head pipe 15 by the upper swing shaft 40. It is movably supported, and the side members 47, 47 are rotatably connected to the lower arm 45 and the upper arm 44 by the upper connecting shafts 47a, 47a and the lower connecting shafts 47b, 47b, respectively. The swing mechanism 13 is constituted.
That is, the swing mechanism 13 uses the head pipe 15, the lower arm 45, the other upper arm 66, the one upper arm 65, and the side members 47, 47 as nodes (links), and the lower swing shaft 41, This is a multi-joint link mechanism using the upper swing shaft 40, the upper connecting shafts 47a, 47a, and the lower connecting shafts 47b, 47b as rotating shafts (swinging shafts).

  The oscillating vehicle 10 turns left and right in a tilted (banked) state due to the steering operation of the steering wheel 54 and the movement of the center of gravity by the occupant. Specifically, when the rocking type vehicle 10 is tilted, the head pipe 15 is tilted about the lower rocking shaft 41, and the side members 47, 47 are tilted via the upper arm 44 and the lower arm 45. The front wheels 2L and 2R are in close contact with the ground in an inclined state. That is, the front wheels 2L, 2R are swung via the upper arm 44 and the lower arm 45 in accordance with the swing of the body frame 11. In this state, the upper arm 44 and the lower arm 45 are displaced in the inclination direction while keeping substantially horizontal with respect to the ground, and the head pipe 15 is inclined at substantially the same angle as the side members 47. That is, in a state where the rocking type vehicle 10 is tilted, the entire front portion of the rocking type vehicle 10 except for the upper arm 44 and the lower arm 45 is tilted integrally.

The upper end of the head pipe 15 has a rod-shaped front extension 68 extending forward above the upper arm 44. At the front end of the front extension 68, a stay 68 a that supports the front end of the upper swing shaft 40 in front of the upper arm 44 is provided.
The roll damper 38 is formed in a vertically long tubular shape, and its upper end is connected to an upper fulcrum 70 provided on the upper arm 44, and its lower end is provided at a lower end provided at the lower end of the head pipe 15. It is connected to the side fulcrum 71.

Referring to FIG. 3, swing type vehicle 10 includes a swing lock mechanism 73 that locks the swing of swing mechanism 13.
The rocking lock mechanism 73 includes a disk plate 74 fixed to the rear lower arm 61, a rocking lock operating section 75 fixed to the main frame 16, and a rocking lock operation to which a rocking operation by a user is input. A unit 76. When the swing lock operating section 76 is operated, the swing lock operating section 75 is operated, and the disc plate 74 is held. Thereby, the swing of the swing mechanism 13 is locked. The rocking of the rocking mechanism 13 is locked, for example, during parking.

As shown in FIG. 4, the steering handle 54 includes a handle center portion 54a fixed to the handle post 53, and a one-side handle portion 54L extending from the handle center portion 54a to one side (left side, one side) in the vehicle width direction. This is a bar handle integrally provided with (one handle) and another handle portion 54R (the other handle) extending from the handle center portion 54a to the other side (right side, other side) in the vehicle width direction.
A rear wheel brake operation lever 81 as a brake operator of a brake device 80 for the rear wheel 3 is attached to the one handle portion 54L.
The brake device 80 includes a rear wheel brake operation lever 81, a brake operation unit 82 (FIG. 1) provided on the rear wheel 3 side to brake the rear wheel 3 by friction, and a brake input to the rear wheel brake operation lever 81. A brake cable 83 is provided as a brake operation transmitting member that transmits an operation to the brake operating unit 82.

  The other handle portion 54R is provided with a throttle operator 85 for operating a throttle device (not shown) for adjusting the amount of intake air to the engine 20. The throttle operator 85 and the throttle device provided near the engine 20 are connected by a throttle cable 86 as a throttle operation transmitting member.

Further, a front wheel brake operation lever 88 as a brake operator of a brake device 87 for the front wheel 2 is attached to the other handle portion 54R.
The brake device 87 for the front wheel 2 includes a front wheel brake operation lever 88, a master cylinder 89 that generates hydraulic pressure by operating the front wheel brake operation lever 88, and a brake operation unit that is provided on the front wheel 2 and brakes the front wheel 2 by friction. 90 (FIG. 3), and a brake hose 91 as a brake operation transmitting member for transmitting the operation of the front wheel brake operating lever 88 to the brake operating section 90.

The oscillating vehicle 10 includes an interlock mechanism 93 that mechanically connects the brake device 80 of the rear wheel 3 and the oscillating lock mechanism 73 to each other and interlocks each other's operations.
The interlock mechanism 93 is incorporated in the middle of the brake cable 83, and the operation of the rear wheel brake operation lever 81 is relayed by the interlock mechanism 93 and transmitted to the brake operation unit 82 via the brake cable 83. . Further, in the swing type vehicle 10, the brake operating unit 82 can be kept in the locked state through the interlock mechanism 93, and the braking of the rear wheel 3 can be performed by setting the locking state in this manner. The device 80 can be used as a parking brake.

Further, the interlock mechanism 93 is incorporated in the transmission path of the operation between the swing lock operating section 76 and the swing lock operating section 75, and the operation of the swing lock operating section 76 is performed by the interlock mechanism 93. The signal is relayed and transmitted to the swing lock operating section 75.
The interlock mechanism 93 can regulate the operation / non-operation of the brake device 80 and the swing lock mechanism 73 in accordance with the respective operating states of the brake device 80 and the swing lock mechanism 73 of the rear wheel 3. The operation of the interlock mechanism 93 can be restricted so that the swing lock mechanism 73 cannot be operated unless, for example, the brake device 80 of the rear wheel 3 is operated to be in a locked state.
The interlock mechanism 93 is formed in a box shape, and is disposed inside the head pipe rear space K on the right side of the head pipe 15, that is, on the other side (other side) in the vehicle width direction.

As shown in FIG. 4, the handle post 53 includes a disk-shaped cover 95 attached to the upper end of the handle steering shaft 52, and posts 96, 96 erected on the upper surface of the cover 95. The post parts 96, 96 are arranged side by side in a pair at the center of the cover part 95. The handle center portion 54a is attached to the post portions 96, 96.
With reference to FIGS. 1 and 4, the cover 95 of the handle post 53 covers a gap between the handle post 53 and an opening (not shown) formed on the upper surface of the front cover 30 for passing the handle post 53. As shown in FIG. The cover 95 rotates integrally with the handle steering shaft 52.

  The cover portion 95 of the handle post 53 has a slot-like opening 97 extending in the vehicle width direction at the front portion of the handle post 53 between the front edge 95a (outer circumference) of the outer periphery and the post portions 96, 96. . The opening 97 is formed in an arc shape that protrudes forward in a plan view along the arc-shaped front edge 95 a of the cover portion 95.

  Referring to FIGS. 2 to 5, the brake cable 83 extends from the rear wheel brake operation lever 81 of the one-side handle portion 54L to the handle post 53 located at the center in the vehicle width direction, and is gently above the handle post 53. It bends downward and extends downward through the opening 97 in the handle post 53. The brake cable 83 having passed through the opening 97 extends downward behind the upper arm 44 and on the other side of the head pipe 15, and is inserted into the other opening 64 </ b> R of the lower arm 45 from above. As shown in FIG. 5, the brake cable 83 that has fallen below the other side opening 64R extends rearward and downward along the other side surface of the lower main frame 16b, and then near the rear end of the lower main frame 16b. And extends upward, and is connected to the connection portion 93a on the other side surface of the interlock mechanism 93. The brake cable 83 connected to the interlock mechanism 93 is pulled out from the interlock mechanism 93 and routed rearward (the portion is not shown), and the rear end portion is connected to the brake operating portion 82 (FIG. 1). .

In this way, the brake cable 83 extending from the one-side handle portion 54L is routed to the other side in the vehicle width direction across the head pipe 15 and passes through the other side opening 64R of the lower arm 45. It can be routed long enough in the direction. Therefore, the degree of bending of the brake cable 83 can be reduced.
Further, since the brake cable 83 passes through the opening 64R on the other side, even when the brake cable 83 swings, the brake cable 83 can be guided by the surrounding portion 63. For this reason, the range of the swing of the brake cable 83 can be restricted to the inside of the other opening 64 </ b> R, and the movement of the swing arm 43 can be prevented from being affected by the brake cable 83.
Further, since the brake cable 83 is routed along the lower main frame 16b extending rearward from the head pipe 15 below the surrounding portion 63, the brake cable 83 is easily routed rearward.
Further, since the interlock mechanism 93 is located on the other side in the vehicle width direction with respect to the head pipe 15 and is located on the same side as the other side opening 64R, the other side opening 64R and the interlock mechanism 93 are close to each other, It is easy to connect the brake cable 83 to the interlock mechanism 93.

Referring to FIGS. 2 to 5, the throttle cable 86 extends from the throttle operation element 85 of the other handle portion 54 </ b> R toward the handle post 53, bends gently downward above the handle post 53, and opens the handle post 53. Extends downward through section 97. The throttle cable 86 intersects with the brake cable 83 near the opening 97.
The throttle cable 86 that has passed through the opening 97 extends downward behind the upper arm 44 and on one side of the head pipe 15, and is inserted into the one side opening 64 </ b> L of the lower arm 45 from above. The throttle cable 86 is fixed to the head pipe 15 by a clamper 105 (FIG. 3) at a position above the opening 64L. As shown in FIG. 3, the throttle cable 86 that has fallen below the one side opening 64L extends rearward and downward along one side surface of the lower main frame 16b. The throttle cable 86 extending along the lower main frame 16b then extends along the rear main frame 16c, and is connected to the throttle device (not shown) near the engine 20.
The brake hose 91 of the brake device 87 for the front wheel 2 extends from the other handle portion 54R toward the handle post 53, and is routed downward through the opening 97 of the handle post 53.

In this way, the throttle cable 86 extending from the other handle portion 54R is routed on one side in the vehicle width direction across the head pipe 15 and passes through the one side opening 64L of the lower arm 45. It can be routed long enough in the direction. For this reason, the degree of bending of the throttle cable 86 can be reduced.
Further, since the throttle cable 86 passes through the one side opening 64L, the throttle cable 86 can be guided by the surrounding portion 63 even when the throttle cable 86 swings. For this reason, the swing range of the throttle cable 86 can be restricted within the one side opening 64L, and the movement of the swing arm 43 can be prevented from being affected by the throttle cable 86.
Further, since the throttle cable 86 is routed along the lower main frame 16b extending rearward from the head pipe 15 below the surrounding portion 63, it is easy to route the throttle cable 86 rearward.

The brake cable 83 and the throttle cable 86 are guided by the opening 97 of the handle post 53. For this reason, the brake cable 83 and the throttle cable 86 can be routed downward through the vicinity of the head pipe 15, and can be appropriately passed through the other opening 64R and the one opening 64L. Further, even when the handle post 53 is rotated with the turning of the steering handle 54, the brake cable 83 and the throttle cable 86 can be positioned at appropriate positions by the opening 97. In particular, in the present embodiment, since the opening 97 is formed in an arc shape along the front edge 95a of the cover 95, even when the handle post 53 rotates, the brake cable 83 and the throttle cable There is no significant change in how the opening 97 contacts the opening 86. Therefore, the friction of the opening 97 can be reduced, and the steering handle 54 can be smoothly steered. Further, since the opening 97 is arc-shaped and smooth, the friction between the brake cable 83 and the throttle cable 86 and the opening 97 can be effectively reduced.
Further, since the brake cable 83 and the throttle cable 86 extending downward through the opening 97 can be covered and hidden by the cover 95 of the handle post 53, the appearance is good. In addition, since the opening 97 has an arc shape, the size of the opening 97 can be minimized, and the strength and appearance of the handle post 53 can be improved.

FIG. 6 is a front view of the swing mechanism 13 as viewed from the front side. FIG. 7 is a sectional view taken along line VII-VII of FIG. 6 and 7, the throttle cable 86 and the brake cable 83 are not shown.
Referring to FIGS. 6 and 7, the lower arm 45 is integrally formed by fastening a front lower arm 60 and a rear lower arm 61, which are divided into front and rear, with a plurality of arm fastening bolts 100. A pair of arm fastening bolts 100 is provided at each of the left and right front and rear connecting portions 62 of the lower arm 45.
As shown in FIG. 7, a pair of female screw portions 101, into which the arm fastening bolts 100, 100 are screwed, are formed on the rear surface of the front lower arm 60 in each of the front and rear connecting portions 62.
The rear lower arm 61 is fixed to the front lower arm 60 by the arm fastening bolts 100, 100 inserted from the rear of the front surface of the rear lower arm 61 in the front and rear connecting portions 62 being fastened to the female screw portions 101, 101. Is done.

The opening 64 of the surrounding portion 63 is formed in an arc shape surrounding the cylindrical head pipe 15 from the periphery when viewed from the up and down direction. Therefore, the rigidity of the surrounding portion 63 can be increased while securing the size of the opening 64.
The opening 64 is formed such that the opening area when viewed from above and below changes in the vertical direction of the lower arm 45. Specifically, the opening area of the opening 64 changes in the vertical direction by the inner walls 110, 110 on the outer side in the vehicle width direction being inclined in the vertical direction of the lower arm 45. The inner wall portions 110, 110 are also side portions on the inner side in the vehicle width direction of the front-rear connection portion 62. In addition, the front and rear inner wall portions of the opening 64 are also inclined in the vertical direction.

When viewed from the front as shown in FIG. 6, the inner wall portions 110, 110 include an upper inclined surface 110 b that inclines upward from the upper and lower intermediate portions 110 a to the outside in the vehicle width direction, and an outer inclined surface 110 b from the intermediate portion 110 a to the vehicle width direction outside. A lower inclined surface 110c extending downward and inclined.
The intermediate portion 110 a is located at an upper and lower intermediate portion of the inner wall portions 110, 110 and at a height position substantially the same as the axial center of the lower swing shaft 41. Here, the intermediate portion 110a does not need to be strictly located in the middle between the upper and lower portions, but may be located approximately in the middle between the upper and lower portions of the surrounding portion 63.
That is, the opening area of the opening 64 is smallest at the intermediate portion 110a, and becomes larger toward the upper opening 64a forming the upper surface of the opening 64 and the lower opening 64b forming the lower surface of the opening 64.

  When the oscillating vehicle 10 oscillates left and right, the head pipe 15 inclines left and right with respect to the lower arm 45, and the head pipe 15 approaches the inner wall portions 110, 110 as shown by phantom lines in FIG. In the present embodiment, since the upper inclined surface 110b and the lower inclined surface 110c are formed on the inner wall portions 110, 110, the clearance between the head pipe 15 oscillating left and right and the inner wall portions 110, 110 can be secured. Therefore, a large bank angle of the oscillating vehicle 10 can be secured.

Of the pair of arm fastening bolts 100, 100, the one provided on the inner side in the vehicle width direction is disposed near the intermediate portion 110a, and the outer end 64a1 of the upper opening 64a and the outer end of the lower opening 64b. It is located on the inner side in the vehicle width direction than the portion 64b1.
For this reason, the front lower arm 60 and the rear lower arm 61 can be fastened at a position closer to the inside in the vehicle width direction, and the rigidity of the lower arm 45 can be improved.

  As described above, according to the embodiment to which the present invention is applied, the oscillating vehicle 10 includes the vehicle body frame 11 including the head pipe 15 and the main frame 16 extending rearward from the head pipe 15, 11, an lower arm 45 disposed below the upper arm 44 and swingably supported by the body frame 11, and end portions 65c and 66c of the upper arm 44 and the lower arm 45. Side members 47, 47 for rotatably connecting the end portions 59, 59 of the first and second members, a rocking mechanism 13 including a rocking arm 43 provided with an upper arm 44 and a lower arm 45, and side members 47, 47; , Front wheels 2L, 2R supported below the side members 47, 47, and one-side handle portion 54L, which is one handle in the vehicle width direction. A brake cable 83 for transmitting a brake operation input to a rear wheel brake operation lever 81 provided to a brake operating portion 82, and a throttle operation member 85 provided on the other handle portion 54R which is the other handle in the vehicle width direction. And a throttle cable 86 for transmitting a throttle operation input to the throttle device to the throttle device. The lower arm 45 is provided so as to surround the vehicle body frame 11 from the periphery to form an enclosure 63, and the enclosure 63 has an opening 64. Are formed in an arc shape, the opening 64 is formed such that the opening area is minimized in the vertical intermediate portion 110 a of the lower arm 45, and the brake cable 83 and the throttle cable 86 are inserted through the surrounding portion 63. . This allows the brake cable 83 and the throttle cable 86 to pass through the surrounding portion 63 along the vehicle body frame 11, so that the brake cable 83 and the throttle cable 86 can be routed with a small degree of bending. Further, since the opening 64 of the surrounding portion 63 of the lower arm 45 has an arc shape, the rigidity of the lower arm 45 can be secured while securing a large area of the opening 64. Furthermore, since the opening area of the enclosing portion 63 is formed so as to be minimum at the intermediate portion 110a in the vertical direction of the lower arm 45, when the body frame 11 swings, The clearance between them can be secured, and the bank angle of the oscillating vehicle 10 can be secured large.

Further, the brake cable 83 extending from the one handle portion 54L is inserted into the other opening 64R in the enclosure 63, and the throttle cable 86 extending from the other handle portion 54R is inserted into the one opening 64L in the enclosure 63, The brake cable 83 and the throttle cable 86 can be routed long in the vehicle width direction. Therefore, the brake cable 83 and the throttle cable 86 can be routed with a small degree of bending.
The main frame 16 includes an upper main frame 16a connected to an upper part of the head pipe 15, and a lower main frame 16b connected to a lower part of the head pipe 15, and the brake cable 83 and the throttle cable 86 are enclosed. After passing through the portion 63, it is arranged along the lower main frame 16b. As a result, the brake cable 83 and the throttle cable 86 are arranged along the lower main frame 16b of the upper main frame 16a and the lower main frame 16b. Can be routed in state.
The handle post 53 attached to the handle steering shaft 52 supported by the head pipe 15 covers posts 96, 96 supporting the steering handle 54 and a gap between the post portions 96, 96 and the front cover 30. The cover part 95 is provided with an opening 97 through which the brake cable 83 and the throttle cable 86 are inserted. Thus, the brake cable 83 and the throttle cable 86 can be guided by the opening 97, so that the brake cable 83 and the throttle cable 86 can be appropriately held even when the steering handle 54 is turned. Further, the brake cable 83 and the throttle cable 86 can be hidden by the cover 95, so that the appearance is good.

Further, the cover 95 is formed in a circular shape, and the opening 97 is formed along the front edge 95 a at the front of the cover 95. Thus, when the steering handle 54 is steered, the opening 97 moves relative to the brake cable 83 and the throttle cable 86 along the arcuate portion, so that the steering handle 54 can be steered smoothly. . Further, the size of the opening 97 can be minimized.
Further, since the surrounding portion 63 is formed on one side and the other side of the head pipe 15 by surrounding the head pipe 15 with the lower arm 45, the space on the side of the head pipe 15 is effectively used. The brake cable 83 and the throttle cable 86 can be routed.
Further, the lower arm 45 is formed by fastening a front lower arm 60 and a rear lower arm 61, which are divided into front and rear parts, with a plurality of arm fastening bolts 100, and the opening 64 of the surrounding portion 63 of the lower arm 45 is An upper opening 64a on the upper surface side of the lower arm 45 and a lower opening 64b on the lower surface side of the lower arm 45 are provided, and at least one of the arm fastening bolts 100 is an outer end of the upper opening 64a and the lower opening 64b in the vehicle width direction. The portions 64a1 and 64b1 are provided on the inner side in the vehicle width direction. Accordingly, the arm fastening bolt 100 for fastening the front lower arm 60 and the rear lower arm 61 can be arranged at a position closer to the inside in the vehicle width direction, so that the rigidity of the lower arm 45 can be effectively improved.

Note that the above embodiment is an example to which the present invention is applied, and the present invention is not limited to the above embodiment.
In the above-described embodiment, the description has been given by taking as an example the configuration including the bar handle integrally including the handle center portion 54a, the one-side handle portion 54L, and the other-side handle portion 54R. It is not limited. The one handle and the other handle only need to be located on the outer side in the vehicle width direction with respect to the head pipe. For example, the present invention has a configuration provided with a so-called separate type handle in which left and right handles are individually provided. May be applied.
Further, in the above embodiment, the brake cable 83 has been described as an example of the brake operation transmitting member. However, the present invention is not limited to this. For example, the brake operation transmitting member is filled with brake fluid. May be a brake hose.

2L, 2R Front wheel (wheel)
5 Body Cover 11 Body Frame 13 Swing Mechanism 15 Head Pipe 16 Main Frame 16a Upper Main Frame 16b Lower Main Frame 43 Swing Arm 44 Upper Arm 45 Lower Arm 47, 47 Side Member 52 Handle Steering Shaft 53 Handle Post 54 Steering Handle 54L One handle (one handle)
54R Handle part on the other side (other handle)
59, 59 end (end of lower arm)
Reference Signs List 60 front lower arm 61 rear lower arm 63 surrounding portion 64 opening 64a upper opening 64a1, 64b1 outer end 64b lower opening 65c, 66c end (end of upper arm)
81 Rear wheel brake operation lever (brake operator)
82 Brake operating part 83 Brake cable (brake operation transmission member)
85 Throttle operator 86 Throttle cable (Throttle operation transmission member)
96 Post part 95 Cover part 95a Front edge (outer circumference)
97 Opening 100 Arm fastening bolt 110a Middle part

Claims (7)

A body frame (11) including a head pipe (15) and a main frame (16) extending rearward from the head pipe (15); and an upper arm (44) swingably supported by the body frame (11). ), A lower arm (45) disposed below the upper arm (44), and swingably supported by the body frame (11); and ends (65c, 66c) of the upper arm (44). A side member (47) for rotatably connecting an end (59) of the lower arm (45); a swing arm (43) including the upper arm (44) and the lower arm (45); A swing mechanism (13) composed of a member (47), wheels (2L, 2R) supported below the side member (47), and one handle ( 4L) provided on the other handlebar (54R) in the vehicle width direction, and a brake operation transmitting member (83) for transmitting a brake operation input to a brake operator (81) provided to the brake operating portion (82). A throttle operation transmitting member (86) for transmitting the throttle operation input to the throttle operator (85) to the throttle device.
The lower arm (45) is provided so as to surround the body frame (11) from the periphery to form a surrounding portion (63),
The surrounding portion (63) has an opening (64) formed in an arc shape, and the opening (64) has a minimum opening area at a vertically intermediate portion (110a) of the lower arm (45). Formed in
The swing type vehicle, wherein the brake operation transmitting member (83) and the throttle operation transmitting member (86) are inserted through the enclosure (63).   The brake operation transmission member (83) is inserted through the other side of the enclosure (63), and the throttle operation transmission member (86) is inserted through the one side of the enclosure (63). The swing type vehicle according to claim 1, wherein: The main frame (16) includes an upper main frame (16a) connected to an upper part of the head pipe (15), and a lower main frame (16b) connected to a lower part of the head pipe (15). ,
The brake operation transmitting member (83) and the throttle operation transmitting member (86) are arranged along the lower main frame (16b) after passing through the enclosure (63). Item 3. The swing type vehicle according to item 1 or 2. A handle post (53) attached to a handle steering shaft (52) supported by the head pipe (15) includes a post (96) supporting a steering handle (54), and the post (96). A cover portion (95) provided so as to cover a gap with the vehicle body cover (5);
The said cover part (95) is provided with the opening part (97) by which the said brake operation transmission member (83) and the said throttle operation transmission member (86) are penetrated, The Claim 1 characterized by the above-mentioned. The oscillating vehicle as described.   The cover (95) is formed in a circular shape, and the opening (97) is formed along the outer periphery (95a) of the front part of the cover (95). Item 4. The swing type vehicle according to Item 4.   The surrounding part (63) is formed on the one side and the other side of the head pipe (15), respectively, by the lower arm (45) surrounding the head pipe (15). The swing type vehicle according to any one of claims 1 to 5, wherein The lower arm (45) is integrally formed by fastening a front lower arm (60) and a rear lower arm (61), which are divided into front and rear, with a plurality of arm fastening bolts (100).
An opening (64) of the surrounding portion (63) of the lower arm (45) has an upper opening (64a) on the upper surface side of the lower arm (45) and a lower opening (64b) on the lower surface side of the lower arm (45). With
At least one of the arm fastening bolts (100) is provided inside the vehicle width direction outer ends (64a1, 64b1) of the upper opening (64a) and the lower opening (64b). The swing type vehicle according to any one of claims 1 to 6, wherein:

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