SADDLE-SEAT VEHICLE

Abstract

A semi-trailer-mounted vehicle (10; 210) comprising a front fairing (41) covering a front section of a vehicle body, characterized in that the front fairing (41) includes a deck nose (70; 270) and a fairing nose (80), wherein the deck nose (70; 270) covers a front surface of the vehicle body and a lower section of the front surface of the vehicle body, and the fairing nose (80) covers a part of the deck nose (70; 270) from a front face of the deck nose (70; 270), the deck nose (70; 270) has a locking section (100) formed on its front end section and arranged along a shape of the fairing nose (80), and the fairing nose (80) includes inclined surfaces (82, 83, 84), each of the inclined surfaces (82, 83, 84) Directs airflow radially to the deck nose (70; 270), covers the locking section (100) and is locked to the locking section (100).

Description

BACKGROUNDTechnical field

[0001] The present invention relates to a ride-on semi-trailer vehicle. Related technology

[0002] Conventionally, a technique has been known in which upper and lower openings are provided in a cowl portion located at the front end of a vehicle body to admit airflow into the cowl (see, for example, Japanese Patent No. JP 7 286 704 B). In the technique described in Japanese Patent No. JP 7 286 704 B, the airflow is directed to the inside of the cowl through an outer cowl and an inner cowl constituting the cowl portion located at the front end of the vehicle body. SUMMARY

[0003] However, since it is not necessary to absorb all the airflow during vehicle travel, it is desirable to appropriately direct the airflow to the outside of the vehicle body. Specifically, even in a vehicle of the same structure, there may be differences in the amount of airflow. When there is a difference in the amount of airflow absorbed by the vehicle body, the strength of the airflow absorbed by the vehicle body can be changed, so that a location to which the airflow should be directed can be changed depending on each vehicle type. Therefore, there is a need for a wind deflector structure capable of easily adjusting the wind deflection and appropriately directing the airflow to multiple locations relative to a front cowl.

[0004] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a ride-on semi-trailer vehicle capable of easily adjusting wind conductivity and appropriately directing running wind to plural locations with respect to a front cowl.

[0005] A semi-trailer ride-on vehicle includes a front cowl covering a front portion of a vehicle body, the front cowl including a deck nose and a cowl nose, the deck nose covering the front surface of the vehicle body and the lower portion of the front surface of the vehicle body, the cowl nose covering a part of the deck nose from the front side, the deck nose having the locking portion formed at its front end portion and arranged along the shape of the cowl nose, and the cowl nose including a slant surface that guides the running wind radially toward the deck nose, covers the locking portion, and is locked to the locking portion.

[0006] It becomes possible to specify a ride-on semi-trailer vehicle that is able to easily adjust the wind conductivity and appropriately direct the airflow to several locations relative to a front fairing. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view of a ride-on semi-trailer vehicle according to an embodiment of the present invention; Fig. 2 is a front view of a ride-on semi-trailer vehicle according to a first embodiment; Fig. 3 is a perspective view illustrating the vicinity of a front portion of the ride-on semi-trailer vehicle according to the first embodiment, as viewed from the right front side; Fig. 4 is a diagram showing the representation of a fairing nose made of Fig. 3 is omitted; Fig. 5 is a front view of a fairing nose according to the first embodiment; Fig. 6 is a perspective view of the fairing nose according to the first embodiment, as viewed from the left rear side; Fig. 7 is a front view of a deck nose according to the first embodiment; Fig. 8 is a left side view of the deck nose according to the first embodiment; Fig. 9 is a cross-sectional view along the line IX-IX in Fig. 2; Fig. 10 is a front view illustrating a main part of the ride-on semi-trailer vehicle in a state where an upper cowl, a side cowl, the deck nose, and the cowl nose are removed according to the first embodiment; Fig. 11 is a left side view showing a main part of the front portion of the semi-trailer vehicle according to the first embodiment; Fig. 12 is a cross-sectional view taken along the line XII-XII in Fig. 2; Fig. 13 is a cross-sectional view taken along the line XIII-XIII in Fig. 2; Fig. 14 is a cross-sectional view taken along line XIV-XIV in Fig. 2; Fig. 15 is a functional explanatory diagram of the first embodiment; and Fig. 16 is a perspective view illustrating the vicinity of a front portion of a ride-on semi-trailer vehicle according to a second embodiment, as viewed from the right front side. DETAILED DESCRIPTION

[0007] Embodiments of the present invention will be described below with reference to the drawings. Note that in the description, directions such as front, rear, left, right, top, and bottom are identical to directions with respect to a vehicle body unless otherwise stated. Furthermore, in each drawing, reference symbol FR denotes a front side of the vehicle body, reference symbol UP denotes an upper side of the vehicle body, and reference symbol LH denotes the left side of the vehicle body. [Remarks]

[0008] Fig. 1 is a side view of a semi-trailer ride-on vehicle 10 according to an embodiment of the present invention.

[0009] The semi-trailer vehicle 10 is a vehicle including a vehicle body frame 11, a drive unit 12 mounted on the vehicle body frame 11, a front fork 14 steerably supporting a front wheel 13, a swing arm 16 supporting a rear wheel 15, and a seat 17 for a driver.

[0010] The semi-trailer vehicle 10 is a vehicle on which a driver sits in a straddle position on the seat 17. The seat 17 is arranged above the rear portion of the vehicle body frame 11.

[0011] The vehicle body frame 11 includes a head tube 18 disposed in a front end portion of the vehicle body frame 11, a front frame 19 disposed rearward of the head tube 18, and a rear frame 20 disposed rearward of the front frame 19. The front end portion of the front frame 19 is connected to the head tube 18.

[0012] The seat 17 is supported by the rear frame 20.

[0013] The front fork 14 is mounted on the head tube 18 for left-right steering. The front wheel 13 is mounted on an axle 13a located at a lower end portion of the front fork 14. A handlebar 21, which can be gripped by the rider, is attached to an upper end portion of the front fork 14.

[0014] The swing arm 16 is mounted on a pivot shaft 22 mounted on the vehicle body frame 11. The pivot shaft 22 is a shaft extending horizontally in the vehicle width direction. The pivot shaft 22 is inserted through a front end portion of the swing arm 16. The swing arm 16 swings up and down with the rotation axis 22 as the center.

[0015] The rear wheel 15 is mounted on an axle 15a which is located at a rear end portion of the swing arm 16.

[0016] The drive unit 12 is arranged between the front wheel 13 and the rear wheel 15 and is mounted on the vehicle body frame 11.

[0017] The drive unit 12 here is an internal combustion engine. The drive unit 12 includes a crankcase 23 and a cylinder unit 24 that accommodates a reciprocating piston. An exhaust device 25 is connected to an outlet port of the cylinder unit 24.

[0018] The output power of the drive unit 12 is transmitted to the rear wheel 15 through a drive force transmission element that connects the drive unit 12 to the rear wheel 15.

[0019] In addition, the semi-trailer vehicle 10 also includes a front fender 26 that covers the front wheel 13 from above, a rear fender 27 that covers the rear wheel 15 from above, a footrest 28 on which the driver places his foot, and a fuel tank 29 that stores fuel to be used by the drive unit 12.

[0020] The front fender 26 is attached to the front fork 14. The rear fender 27 and the footrest 28 are each positioned lower than the seat 17. The fuel tank 29 is mounted on the vehicle body frame 11.

[0021] In the present embodiment, the front frame 19 includes a pair of left and right main frames 31 extending rearward and downward from the rear portion of the head pipe 18, a pair of left and right lower frames 32 extending rearward and downward from the front end portion of the main frame 31, a pair of left and right link frames 33 extending downward from the rear end of the main frame 31, and a subframe 34 connecting the upper portion of the head pipe 18 to the front portion of the main frame 31.

[0022] The rear frame 20 includes a pair of left and right seat frames 35 extending rearward and upward from the upper portion of the pivot frame 33 toward the rear end portion of the vehicle, and a rear subframe 36 extending rearward and upward from a vertical intermediate portion of the pivot frame 33 and connected to the seat frame 35.

[0023] The drive unit 12 connects the lower frame 32 to the linkage frame 33.

[0024] The vehicle body frame 11 is covered with a vehicle body cover 40. The vehicle body cover 40 includes a front cowl 41 that covers the upper portions of the head pipe 18 and the front fork 14 from the front and the left and right sides; a front inner cover 42 that is connected to the rear of the front cowl 41, covers the upper portions of the head pipe 18 and the front fork 14 from the rear, and is arranged above the main frame 31; and a middle cowl 43 that is connected to the left and right sides of the front inner cover 42 and covers the main frame 31 from the upper side and the left and right sides behind the lower portion of the front cowl 41.

[0025] The vehicle body cover 40 includes a pair of left and right side panels 44 that cover the power unit 12 from the left and right sides below the center cover 43, a lower cover 45 that is connected to the lower side of the side panels 44 and covers the power unit 12 from the lower side, a pair of left and right frame covers 46 that cover the lower portion of the rear portion of the power unit 12 and the lower portion of the link frame 33 from the side, and a pair of left and right rear covers 47 that cover the lower portion of the seat 17 from the side behind the center cover 43.

[0026] The front inner cover 42, the center cowl 43, and the side panel 44 are vertically connected to each other to form a tunnel-like center tunnel section 48 having an inverted U-shaped cross section. The front portion of the vehicle body frame 11 and the cylinder unit 24 are housed in the center tunnel section 48.

[0027] The front cowl 41 is provided with a headlight unit 51. The headlight unit 51 includes a pair of left and right headlights (headlights) 51a. The headlight section 51a has a curved shape. The headlight section 51a has a lens surface at the front. A windshield 52 is located above the headlight unit 51. The windshield 52 forms a plate shape extending rearward and upward. A radiator 53 for cooling coolant for cooling the power unit 12 is arranged below the headlight unit 51.

[0028] Fig. 2 is a front view of the semi-trailer vehicle 10 according to the first embodiment.

[0029] The front cowl 41 includes an upper cowl 61 covering the upper side of the headlight unit 51, a side cowl 62 covering the vicinity of the headlight portion 51a of the headlight unit 51 and the upper side of the front fork 14, a deck nose 70 covering the front surface of the vehicle body and the lower portion of the front surface of the vehicle body below the headlight unit 51, a cowl nose 80 covering a part of the deck nose 70 from the front side, and a guide cowl 63 arranged on opposite sides of the deck nose 70.

[0030] The upper cowl 61 is substantially symmetrical. The upper cowl 61 has a front end edge 61a extending in the left-right direction. The front end edge 61a extends to connect the upper edges of the left and right headlights 51a. The upper cowl 61 extends upward from the front end edge 61a. The left-right width of the upper cowl 61 increases as it extends upward. The upper cowl 61 extends rearward and upward in side view.

[0031] The side cover 62 is arranged outside the upper cover 61 in the left-right direction. The side cover 62 includes a main body section (see Fig. 1) 62a, which has an approximately L-shape in side view, an upper extension portion 62b extending forward along the upper side of the headlight portion 51a from the upper portion of the main body portion 62a, and a lower extension portion 62c extending forward in the vertical direction along the lower side of the headlight portion 51a from the middle portion of the main body portion 62a. An open outlet duct 62d is formed at the rear portion of the main body portion 62a (see Fig. 1). Airflow that has entered the front fairing 41 is discharged through the outlet line 62d.

[0032] Fig. 3 is a perspective view illustrating the vicinity of the front portion of the semi-trailer vehicle 10 according to a first embodiment, as viewed from the right front side. Fig. 4 is a diagram showing the representation of the fairing nose 80 of Fig. 3 is omitted.

[0033] As in the Fig. 2 to 4, the cover projection 70 is disposed under the side trim 62. The cover projection 70 covers the lower side of the headlight unit 51 from the front side. The cover projection 70 includes a connecting portion 71 that projects forward and extends in the left-right direction, an extension portion 72 provided at opposite ends of the connecting portion 71 and extending outward in the vehicle width direction, a guide portion 73 formed at an outer end of the extension portion 72 in the vehicle width direction, an opening forming portion 74 having an approximately inverted U-shape formed along the connecting portion 71, the extension portion 72, and a lower edge of the guide portion 73, and an alignment portion 75 provided above the connecting portion 71.The opening forming portion 74 forms a front cowl opening (opening portion) 74a that opens forward and downward. The front cowl opening 74a is an opening through which the front fork 14 rotates. The radiator 53 is exposed to the front through the front cowl opening 74a.

[0034] The fairing nose 80 is locked to the deck nose 70. The fairing nose 80 covers the tip of the deck nose 70.

[0035] The guide fairing 63 is connected to the rear side of the deck nose 70 and the lower side of the side fairing 62. An open outlet line 63a (see Fig. 1) is formed at the rear portion of the guide cowl 63. Airflow that has entered the front cowl 41 is discharged from the exhaust duct 63a.

[0036] Fig. 5 is a front view of the fairing nose 80 according to the first embodiment.

[0037] The fairing nose 80 is a cover member formed larger in the left-right direction than in the vertical direction. A rim forming a front end is formed on the fairing nose 80. The rim 81 extends in the left-right direction (the horizontal direction).

[0038] An upper inclined surface 82, which faces obliquely toward the upper side in the vehicle traveling direction, is provided above the edge 81. The upper inclined surface 82 is inclined rearward as it extends upward. The left-right width of the upper inclined surface 82 increases as it extends upward. The upper inclined surface 82 has a central surface portion 82a located at its center in the left-right direction, and a pair of left and right outer surface portions 82b formed respectively on the left and right sides of the central surface portion 82a. The outer surface portion 82b is bent rearward relative to the central surface portion 82a. The outer surface portion 82b faces the outer front side in the vehicle width direction. The outer surface portion 82b is inclined rearward as it extends outward in the vehicle width direction.The outer surface portion 82b and the middle surface portion 82a are connected to each other in an edge shape.

[0039] A lower inclined surface 83, which points obliquely toward the lower side in the vehicle's direction of travel, is located on the lower side of the edge 81. The lower inclined surface 83 is inclined rearward as it extends downward. The lower inclined surface 83 increases in left-right width as it extends downward.

[0040] A pair of left and right inclined side surfaces 84, which slope outward and downward in the vehicle width direction, are formed on both left and right sides of the lower inclined surface 83. The side inclined surface 84 extends outward in the vehicle width direction from one side end of the lower inclined surface 83. Specifically, the side inclined surface 84 is connected to the lower edge of the outer surface portion 82b of the upper inclined surface 82 and the side edge of the lower inclined surface 83 and extends outward in the vehicle width direction. The side inclined surface 84 overlaps a fork tube 14a of the front fork 14 in front view. The side inclined surface 84 extends outward in the vehicle width direction from the fork tube 14a.

[0041] The side slope 84 has a vertical width that increases toward the outside in the vehicle width direction. The side slope 84 has a main body surface portion 84a and an upper surface portion 84b extending along the upper edge of the main body surface portion 84a. The upper surface portion 84b is inclined outward and upward in the vehicle width direction. The upper surface portion 84b is bent rearward and is connected to the main body surface portion 84a. The lower extension portion 62c of the side panel 62 rests on the upper surface portion 84b. The upper surface portion 84b, together with the lower extension portion 62c of the side panel 62, forms a groove portion 84c (see Fig. 3), which is recessed inward in the vehicle width direction. The groove portion 84c extends toward the guide portion 73. The groove 84c facilitates the directing of the airflow to the guide portion 73 of the deck nose 70. The fork tube 14a is a telescopic shock absorber and includes a spring and a damper. The axle 13a, on which the front wheel 13 is rotatably mounted, is mounted at the lower end portion of the fork tube 14a.

[0042] A side panel engagement portion 85 is formed between the upper surface portion 84b of the side inclined surface 84 and the outer surface portion 82b of the upper inclined surface 82. The side panel engagement portion 85 is formed at a position that is gradually recessed rearward with respect to the upper surface portion 84b of the side inclined surface 84 and the outer surface portion 82b of the upper inclined surface 82. An engagement hole 85a is formed in the side panel engagement portion 85.

[0043] Fig. 6 is a perspective view of the fairing nose 80 according to the first embodiment as viewed from the left rear side.

[0044] A plurality of portions locked to the deck nose 70 are formed on the inner surface of the fairing nose 80. Specifically, an upper claw portion (a first locking portion) 86a is formed on the inner surface of the middle surface portion 82a of the upper inclined surface 82. A recessed insertion portion (a second locking portion) 86b, which is open to the rear, is formed in the upper portion of the inner surface of the outer surface portion 82b of the upper inclined surface 82. An insertion portion (a third locking portion) 87, which projects to the rear, is formed below the recessed insertion portion 86b. The insertion portion 87 is formed across the edge 81 in the vertical direction. An insertion claw (a fourth locking portion) 88 projecting inward and rearward in the vehicle width direction is formed on the outer side in the vehicle width direction of the insertion portion 87 and on the lower edge of the side slant surface 84.The insertion claw 88 is formed at an intermediate portion in the longitudinal direction of the side slant surface 84. A rear insertion portion (a fifth locking portion) 89 is formed outside the insertion claw 88 in the vehicle width direction. A rear insertion portion 89 is formed at the rear end portion of the side slant surface 84.

[0045] Fig. 7 is a front view of the deck nose 70 according to the first embodiment. Fig. Fig. 8 is a left side view of the deck nose 70 according to the first embodiment.

[0046] The connecting portion 71 of the deck nose 70 has a central cover portion 76 covered with the fairing nose 80 and a flap surface (flap) 78 forming a band-like surface enclosing the lower side of the central cover portion 76.

[0047] A cover portion edge 76a is formed in the central cover portion 76, which forms the front end of the cover nose 70. The cover portion edge 76a extends in the left-right direction. An upper cover portion bevel 76b, which faces the inclined upper side in the vehicle travel direction, is provided above the cover portion edge 76a. The upper cover portion bevel 76b is inclined rearward, extending upward. A lower cover portion bevel 76c, which faces the inclined lower side in the vehicle travel direction, is below the cover portion edge 76a. The lower cover portion bevel 76c is inclined rearward, extending downward.

[0048] An access opening (opening) 76d is formed in the upper cover portion bevel 76b, penetrating the upper cover portion bevel 76b in the thickness direction. The access opening 76d is a large hole opening across the entire upper cover portion bevel 76b. An upper claw hole portion 76e is formed above the access opening 76d. The upper claw portion 86a of the trim tab 80 is locked to the upper claw hole portion 76e. A plate-shaped engaging portion 76f, having a thickness in the vertical direction, is formed on the left and right sides of the upper claw hole portion 76e. The insertion recess portion 86b of the trim tab 80 is locked to the engaging portion 76f. An insertion hole 76g is formed below the engaging portion 76f. The insertion portion 87 of the fairing nose 80 is locked to the insertion hole 76g.

[0049] The extension portions 72 on the opposite sides of the connecting portion 71 include a side cover portion 77 covered with the trim tab 80, and a guide surface 79 forming a band-like surface that sandwiches the underside of the side cover portion 77. A longitudinal opening 77a extending in the left-right direction is formed outside the insertion portion 87 in the vehicle width direction. A claw hole 77b is formed below the longitudinal opening 77a. The insertion claw 88 of the trim tab 80 is locked to the claw hole 77b. A rear insertion hole 77c is formed outside the longitudinal opening 77a in the left-right direction. The rear insertion portion 89 is locked to the rear insertion hole 77c. A panel engagement portion 77d is formed over the longitudinal opening 77a.The lower longitudinal portion 62c of the side panel 62 is locked, together with the side panel engagement portion 85 of the panel nose 80, to the panel engagement portion 77d.

[0050] A locking portion 100 of the present embodiment is formed by the center cover portion 76 and the pair of left and right side cover portions 77. The trim tab 80 is locked to the locking portion 100 by a plurality of locking portions.

[0051] Below the locking portion 100, a flap surface 78 of the connecting portion 71 extends in the left-right direction. The flap surface 78 is adjacent to the lower edge of the lower inclined surface 83 of the fairing nose 80, as shown in Fig. 2. The flap surface 78 is arranged within the front fairing opening 74a in the vehicle width direction. In the present embodiment, the flap surface 78 is arranged between the left fork tube 14a and the right fork tube 14a of the front fork 14. The flap surface 78 preferably has a left-to-right width close to the fork tube 14a when viewed from the front.

[0052] The flap surface 78 is inclined backwards, extending downwards. As in Fig. As shown in FIG. 11, an inclination angle θ1 of the flap surface 78 is larger than an inclination angle θ2 of the lower inclined surface 83 of the cowl nose 80 relative to a horizontal plane L. Here, the inclination angle θ2 of the lower inclined surface 83 is a smaller angle among the angles formed by an extension line L2 of the lower inclined surface 83 and the horizontal plane L on the center line in the vehicle width direction. The inclination angle θ1 of the flap surface 78 is a smaller angle between an extension line L1 of the flap surface 78 and the horizontal plane L on the center line in the vehicle width direction. In other words, the flap surface 78 is inclined in the vertical direction relative to the lower inclined surface 83 of the cowl nose 80.

[0053] The guide surface 79 of the extension portion 72 is formed on the outside of the flap surface 78 in the left-right direction. The guide surface 79 extends outward in the vehicle width direction from the flap surface 78 in front view. The guide surface 79 extends rearward from the flap surface 78 in side view (see Fig. 8). As in Fig. 2, the guide surface 79 is adjacent to the lower edge of the side bevel 84 of the fairing nose 80. The guide surface 79 is inclined rearwardly, extending downwards (see Fig. 13). The guide surface 79 is formed with an inclination similar to that of the side bevel surface 84. The guide surface 79 is connected to the side bevel surface 84 in such a way that it is substantially flush therewith.

[0054] As in Fig. As shown in Figure 2, the guide portion 73 of the cover nose 70 is arranged behind the side slope 84 of the fairing nose 80, and outside the side slope 84 in the vehicle width direction. The guide portion 73 is positioned outside the fork tube 14a of the front fork 14 in the vehicle width direction when viewed from the front. An open passage 73a opening into the front cowl 41 is formed in the guide portion 73.

[0055] The alignment portion 75 above the connecting portion 71 is formed in a substantially rectangular plate shape. The alignment portion 75 is formed at a position adjacent to the upper end of the upper inclined surface 82 of the fairing nose 80 (see Fig. 2). The alignment section 75 is formed between the left and right headlights 51a. As shown in Fig. 8, the alignment portion 75 is inclined rearward in side view, extending upward. The alignment portion 75 extends in the extension direction of the upper cover portion inclined surface 76b of the connecting portion 71. The left-right width of the alignment portion 75 is narrower than the transverse width of the upper inclined surface 82 of the fairing nose 80 (see Fig. 2).

[0056] The alignment portion 75 includes a rectangular annular frame portion 91. Specifically, it includes a lower frame portion 91a extending in the left-right direction, a pair of left and right side frame portions 91b extending upward from the left and right ends of the lower frame portion 91a, and an upper frame 91c extending in the left-right direction and connecting the left and right side frame portions 91b. The inner surface of the side frame portion 91b slopes inwardly in the vehicle width direction, extending rearwardly. An alignment member 92 extending in the left-right direction is formed at a vertically central portion of the side frame portion 91.

[0057] The alignment member 92 is mounted on the pair of left and right side frame portions 91b. Openings 93a and 94a, which pass through in the front-rear direction, are formed above and below the alignment member 92 through the surrounding shape of the alignment member 92 and the frame portion 91. That is, dashed areas (surfaces) 93 and 94 (see Fig. 8) in contact with the alignment member 92 are respectively disposed above and below the alignment member 92, and the respective virtual surfaces 93 and 94 have recessed portions toward the rear of the vehicle body relative to the alignment member 92, and the openings 93a and 94a are respectively formed at positions corresponding to the recessed virtual surfaces 93 and 94. An upper claw engagement portion 95 is formed above the frame portion 91.

[0058] Fig. 9 is a cross-sectional view along line IX-IX in Fig. 2.

[0059] The alignment member 92 has a convex surface portion (convex portion) 92a having a convex shape formed toward the front of the vehicle body. The convex surface portion 92a extends in the left-right direction. The convex surface portion 92a has an arc shape that curves rearward as it extends outward in the vehicle width direction. The convex surface portion 92a is slightly curved. Curved surface portions (curved portions) 92b, each having an inclination angle smaller than that of the convex surface portion 92a relative to the vehicle travel direction, are respectively formed at the opposite ends of the convex surface portion 92a in the vehicle width direction.That is, the inclination angle formed by the curved surface portion 92b relative to a line on the adjacent side extending in the vehicle travel direction at the outer end of the aligning member 92 in the vehicle width direction is smaller than the inclination angle formed by the convex surface portion 92a. In other words, the curved surface portion 92b is bent rearward from the convex surface portion 92a. The curved surface portion 92b is inclined rearward as it extends outward in the vehicle width direction. A bent surface portion (bend portion) 92c extending in the vehicle body travel direction is formed outside the curved surface portion 92b in the vehicle width direction. The bent surface portion 92c faces the inside of the vehicle body. The bent surface portion 92c is inclined forward as it extends outward in the vehicle width direction.In the present embodiment, the folding surface portion 92c is formed by the inner surface of the side frame portion 91b. The front end of the folding surface portion 92c is formed to be flush with the front end of the headlight portion 51a.

[0060] Fig. 10 is a front view illustrating the main part of the semi-trailer vehicle 10 in a state where the upper cowl 61, the side cowl 62, the deck nose 70, and the cowl nose 80 are removed according to the first embodiment.

[0061] In the headlight unit 51, a central recessed portion 51b is formed between the left and right headlights 51a. The central recessed portion 51b extends in the vertical direction.

[0062] An electronic toll collection (ETC) system antenna 110, as an example of an electrical component, is arranged in front of the lower portion of the center recess portion 51b. The ETC antenna 110 is connected to a control device (not shown) via a cable. The ETC antenna 110 is controlled by the control device (not shown). The ETC antenna 110 is mounted at the front end of the vehicle body. Therefore, the ETC antenna 110 is mounted at a suitable position where transmission and reception can be performed with an externally installed device.

[0063] Here, the deck nose 70 is attached to the semi-trailer vehicle 10 as shown in Fig. 9. When viewed from the front, the access opening 76d of the connecting portion 71 of the cover tab 70 overlaps the ETC antenna 110. That is, the ETC antenna 110 is exposed through the access opening 76d of the cover tab 70 when viewed from the front. The ETC antenna 110 is removable through the access opening 76d. The alignment portion 75 of the cover tab 70 is arranged to face a central recessed portion 61b of a lens unit.

[0064] The fairing tab 80 is locked to the locking portion 100 of the deck tab 70. The locking portion 100 is covered by the fairing tab 80. Therefore, the access opening 76d is also covered, and the ETC antenna 110 is covered from the front.

[0065] When the fairing tab 80 is locked, the side fairing 62 is attached to the vehicle body. At this time, the lower extension portion 62c of the side fairing 62 overlaps the side fairing engagement portion 85 of the fairing tab 80 from the front side. The lower extension portion 62c is locked to the fairing engagement portion 77d of the deck tab 70 together with the side fairing engagement portion 85. As a result, the fairing tab 80 cannot be easily removed. The lower extension portion 62c forms the groove portion 84c together with the side slope surface 84 of the fairing tab 80. Since the groove portion 84c extends toward the guide portion 73, wind flowing through the groove portion 84c is smoothly guided through the guide portion 73.

[0066] When the side cover 62 is attached, the upper cover 61 is attached. The upper cover 61 overlaps an inner side edge portion in the vehicle width direction of the upper extension portion 62b of the side cover 62 from above. The upper cover 61 engages with the upper cover engagement portion 95 of the deck nose 70 from the front side.

[0067] As described above, the front panel 41 is attached to the Fig. 9 shown semi-trailer vehicle 10.

[0068] Fig. 11 is a left side view showing a main part of the front portion of the semi-trailer vehicle 10 according to the first embodiment. Fig. 12 is a cross-sectional view along line XII-XII in Fig. 2. Fig. 13 is a cross-sectional view taken along line XIII-XIII in Fig. 2. Fig. 14 is a cross-sectional view along line XIV-XIV in Fig. 2. Fig. 15 is a functional explanatory diagram of the first embodiment.

[0069] When the semi-trailer vehicle 10 is moving, the wind from the front hits the front fairing 41. As shown in Fig. 15, indicated by an arrow W, the airflow flows upward along the upper inclined surface 82 near the edge 81 of the fairing nose 80 and downward along the lower inclined surface 83. Part of the airflow flows in the vehicle width direction along the side inclined surface 84 and is guided into the front fairing 41 through the duct 73a of the cover nose 70.

[0070] The airflow directed into the front fairing 41 flows rearward along the inner surface of the front fairing 41 by passing through the outer side of the fork tube 14a of the front fork 14, as shown in Fig. 14, indicated by arrow W. The airflow, along with the exhaust heat of the radiator 53, is discharged through the exhaust duct 63a of the guide cowl 63 and the exhaust duct 62d of the side cowl 62, and flows further rearward within the vehicle body cover 40. Therefore, the device within the front cowl 41 is smoothly cooled, and the airflow flows inside and outside the front cowl 41, smoothly ensuring driving stability.

[0071] In the present embodiment, the flap surface 78 is formed on the deck nose 70. The flap surface 78 has a shape that is inclined relative to the lower inclined surface 83. Therefore, the airflow flowing along the lower inclined surface 83 is separated from the front fairing 41 by the flap surface 78, as shown in Fig. 12 with arrow W, and flows smoothly through the front fairing opening 74a into the front fairing 41, deflecting around the lower side. Therefore, the flap surfaces 78 can prevent the airflow flowing along the lower inclined surface 83 from flowing straight ahead, and it becomes easy to avoid interference with the airflow.

[0072] On the other hand, the guide surfaces 79 are formed on the opposite sides of the flap surface 78. The guide surface 79 is connected to the side inclined surface 84 in a substantially flush manner. Therefore, as indicated by arrow W in Fig. 13, the airflow flowing along the side slope 84 smoothly flows straight ahead without detaching from the front cowl 41. Therefore, the airflow flowing along the side slope 84 is smoothly directed to the outside in the vehicle width direction along the inclined shape of the side slope 84.

[0073] In the alignment section 75, as shown by arrow W in Fig. 9, a part of the airflow is distributed to the left and right by the aligning member 92 and smoothly flows to the outside in the vehicle width direction of the aligning portion 75 through the bent surface portion 92c. The airflow that has entered the front cowl 41 through the openings 93a and 93b is directed upward through the central recessed portion 51b, as indicated by arrow W in Fig. 12, passes through a space defined between the upper cowl 61 and the headlight unit 51, flows from the end of the upper cowl 61 to the upper outer side of the front cowl 41, and smoothly flows to the back of the windshield 52.

[0074] As described above, according to the first embodiment to which the present invention is applied, in the saddle-riding vehicle 10 including the front cowl 41 covering the front portion of the vehicle body, the front cowl 41 includes the deck nose 70 covering the front surface of the vehicle body and the lower portion of the front surface of the vehicle body, and the cowl nose 80 covering a part of the deck nose 70 from the front side, the deck nose 70 has the locking portion 100 formed at its front end portion and arranged along the shape of the cowl nose 80, and the cowl nose 80 includes the slant surfaces 82, 83, and 84 that radially guide the running wind to the deck nose 70, covers the locking portion 100, and is locked to the locking portion 100.

[0075] According to this configuration, by attaching the fairing nose 80 to the front end portion of the deck nose 70, the wind can be smoothly directed upwards, downwards, leftwards, and rightwards through the fairing nose 80. Since the deck nose 70 and the fairing nose 80 are separate bodies, adjustment of the wind conductivity can be simplified. Therefore, according to this configuration, the wind conductivity can be easily adjusted by the cover component called the fairing nose 80, and the wind can be appropriately directed to multiple locations relative to the front cowl 41.

[0076] In the present embodiment, the trim nose 80 includes the edge 81 extending in the horizontal direction, the upper inclined surface 82 facing obliquely upward in the vehicle traveling direction is provided above the edge 81, and the lower inclined surface 83 facing obliquely downward in the vehicle traveling direction is provided below the edge 81.

[0077] According to this configuration, the airflow can be directed upward through the upper inclined surface 82 and can flow toward a rider's head through the upper cowl 61, which constitutes the upper portion of the front surface of the front cowl 41 and the windshield 52. Furthermore, the airflow can flow toward the inside of the front cowl 41 through the lower inclined surface 83, and driving stability can be easily improved.

[0078] Moreover, in the present embodiment, the cowl nose 80 includes a pair of left and right side slant surfaces 84 which are inclined outward and downward in the vehicle width direction from the side end portion of the lower slant surface 83 toward the rear in the vehicle traveling direction.

[0079] According to this configuration, the wind received from the front by the inclined surface 84 can be directed to the side of the vehicle body, the wind can be directed, and the driving stability can be easily improved.

[0080] Moreover, in the present embodiment, the front cowl 41 includes the front cowl opening 74a opening forward and downward, the edge of the deck nose 70 is exposed on the surface adjacent to the lower edge of the lower inclined surface 83, the flap surface 78 having a larger inclination angle than an inclination angle of the lower inclined surface 83 relative to the horizontal plane is formed on the edge of the deck nose 70, and the flap surface 78 is disposed inside the front cowl opening 74a of the front cowl 41 in the vehicle width direction.

[0081] According to this configuration, the flap surface 78 deflects the airflow flowing from the lower inclined surface 83 to the nose cone 70 to separate the airflow from the front cowling 41, and the separated airflow can be directed to the rear portion of the vehicle fuselage or the upper portion inside the front cowling 41. Therefore, according to this configuration, the airflow can be prevented from colliding with the vicinity of the radiator 53 on the extension of the lower inclined surface 83.

[0082] In the present embodiment, the ride-on semi-trailer vehicle includes the head pipe 18 provided in the front portion of the vehicle body and the front fork 14 rotatably supported on the head pipe 18, and the flap surface 78 is arranged at least on the inner side of the front fork 14 in the vehicle width direction.

[0083] According to this configuration, the airflow released by the flap surfaces 78 can be easily directed into the vehicle body without being affected by the front fork 14.

[0084] In the present embodiment, the edge of the cover tab 70 is exposed at a position adjacent to the lower edge of the side bevel 84, and the edge of the cover tab 70 and the side bevel 84 are formed substantially flush with each other.

[0085] According to this configuration, even at a connecting portion between the cowl nose 80 and the deck nose 70, the running wind along the front cowl 41 can be smoothly made to flow straight and can be smoothly guided in the left-right direction.

[0086] In the present embodiment, the ride-on semi-trailer vehicle further includes the head pipe 18 provided at the front portion of the vehicle body and the front fork 14 rotatably supported on the head pipe 18, and the side slant surface 84 extends further outward in the vehicle width direction than the front fork 14.

[0087] According to this configuration, the airflow can be smoothly directed to the side of the vehicle body without entering the front fork 14.

[0088] In the present embodiment, the deck nose 70 has the line 73a provided on the rear side of the side slope 84 and arranged outside the side slope 84 in the vehicle width direction.

[0089] According to this configuration, the running wind can be guided to the inside of the front cowl 41 through the duct 73a, the inside of the front cowl 41 can be cooled, and the driving stability can be easily improved.

[0090] In the present embodiment, the ride-on vehicle further includes the alignment member 92 configured to be integrated with the deck nose 70 at a position adjacent to the upper end of the upper slope 82.

[0091] Since, according to this configuration, the airflow is guided directly to the position of the alignment element 92 by the upper inclined surface 82, the airflow can be efficiently aligned by the alignment element 92.

[0092] In the present embodiment, the alignment member 92 includes the convex surface portion 92a having a shape convex toward the front of the vehicle body, the curved surface portion 92b provided at the opposite ends of the convex surface portion 92a in the vehicle width direction and formed such that its inclination angle relative to the vehicle traveling direction is smaller than that of the convex surface portion 92a, and the bent surface portion 92c provided at the outer side of the curved surface portion 92b in the vehicle width direction and formed so as to extend in the vehicle body traveling direction and facing the inner side of the vehicle body.

[0093] According to this configuration, the wind can be collected from the convex surface portion 92a toward the curved surface portion 92b and dispersed in the vehicle width direction by the bent surface portion 92c. Therefore, it is possible to contribute to improving driving stability.

[0094] In the present embodiment, the deck nose 70 includes dashed surfaces 93 and 94 which are in contact with the alignment member 92 and are provided above and below the alignment member 92, respectively, and the dashed surfaces 93 and 94 each have depressed portions toward the rear of the vehicle body relative to the convex surface portion 92a, and the openings 93a and 94a are respectively formed in the depressed portions.

[0095] According to this configuration, a portion of the airflow that has collided with the aligning member 92 and whose pressure has increased flows from the openings 93a and 94a to the inside of the front cowl 41, making it possible to adjust the pressure. Therefore, it is possible to contribute to improving driving stability while adjusting the pressure.

[0096] Furthermore, in the present embodiment, the semi-trailer vehicle further includes the pair of left and right headlights 51a provided in the front portion of the vehicle body, and the access opening 76d provided at the front end portion of the locking portion 100 and within the pair of left and right headlights 51a in the vehicle width direction, and configured to communicate with the inside of the front cowl 41. Here, in the access opening 76d, the ETC antenna 110, which is an electrical component, is arranged and formed to be different from each of the headlights 51a.

[0097] According to this configuration, since the ETC antenna 110 is arranged in the access opening 76d, it is possible to ensure accessibility during maintenance or the like even if the entire front cover 41 is not removed from the vehicle body. [Second version]

[0098] A second embodiment to which the present invention is applied will now be described. In the second embodiment, parts configured in the same manner as in the first embodiment are designated by the same reference numerals and will not be described.

[0099] Fig. 16 is a perspective view illustrating the vicinity of the front portion of a semi-riding vehicle 210 according to the second embodiment when viewed from the right front side.

[0100] The semi-trailer vehicle 210 of the second embodiment is configured such that the exhaust amount of the power unit 12 is smaller than that of the semi-trailer vehicle 10 of the first embodiment. The semi-trailer vehicle 210 has an appearance, that is, a design characteristic, substantially the same as that of the semi-trailer vehicle 10. Specifically, the semi-trailer vehicle 210 includes an alignment portion 275 of a deck nose 270 instead of the alignment portion 75 of the deck nose 70 of the first embodiment.

[0101] In the alignment portion 275 of the second embodiment, the openings 93a and 94a are not formed. That is, recessed surfaces 293 and 294 are formed above and below the alignment member 92, respectively. In other words, the openings 93a and 94a are closed by the surfaces 293 and 294.

[0102] Therefore, in the present embodiment, too, since the airflow entering the vicinity of the edge 81 can be guided by the deck nose 270 and the fairing nose 80, which have substantially the same appearance, it is easy to guide the wind radially away from the edge 81. Therefore, in the second embodiment, similarly to the first embodiment, by attaching the fairing nose 80 to the front end portion of the deck nose 270, the airflow can be smoothly guided upward, downward, left, and right through the fairing nose 80, and adjustment of a wind deflection property can be simplified by the deck nose 270 and the fairing nose 80 being formed as separate bodies.

[0103] Specifically, in the present embodiment, the deck nose 270 includes surfaces 293 and 294 in contact with the alignment member 92 and disposed above and below the alignment member 92, respectively, and the surfaces 293 and 294 each have depressed portions toward the rear of the vehicle body relative to the convex surface portion 92a.

[0104] According to this configuration, the pressure of the airflow colliding with the aligning member 92 can be easily increased, and the airflow can be easily directed to the outside in the vehicle width direction in a state where the pressure is increased. Therefore, it is possible to contribute to improving driving stability while adjusting the pressure. [Other versions]

[0105] The embodiments described above are merely one aspect of the present invention and can be modified and applied as desired without departing from the scope of the present invention.

[0106] In the first and second embodiments, the semi-trailer vehicle 10 whose drive unit 12 is the internal combustion engine has been exemplified as the semi-trailer vehicles 10 and 210, but the present invention is not limited thereto. For example, the semi-trailer vehicles 10 and 210 may also be vehicles whose drive unit 12 is not an internal combustion engine, that is, electric vehicles. Therefore, in the above embodiment, the drive unit 12 is exemplified as one that drives the vehicle body, but the drive unit may also be one that includes an electric drive motor.

[0107] In the above, the description has been given with respect to a motorcycle including the front wheel 13 and the rear wheel 15 as an example of the semi-trailer vehicle 10. However, the present invention is not limited thereto. The present invention is also applicable to a three-wheeled semi-trailer vehicle including two front wheels or two rear wheels, or a semi-trailer vehicle with four or more wheels. [Configuration supported by the above statements]

[0108] The above statements support the following configurations.

[0109] (Configuration 1) A semi-trailer vehicle includes a front cowl covering a front portion of a vehicle body, the front cowl including a deck nose and a cowl nose, the deck nose covering a front surface of the vehicle body and a lower portion of the front surface of the vehicle body, the cowl nose covering a part of the deck nose from a front side of the deck nose, the deck nose having a locking portion formed at its front end portion and arranged along the shape of the cowl nose, and the cowl nose including slant surfaces that radially guide the running wind to the deck nose, covering the locking portion and being locked to the locking portion.

[0110] According to this configuration, by attaching the fairing nose to the front end portion of the deck nose, the airflow can be smoothly directed upwards, downwards, leftwards, and rightwards through the fairing nose. Since the deck nose and the fairing nose are separate bodies, the adjustment of the wind deflection performance can be simplified. Therefore, according to this configuration, the wind deflection performance can be easily adjusted by a covering component called the fairing nose, and the airflow can be appropriately directed to multiple locations relative to the front fairing.

[0111] (Configuration 2) The ride-on semi-trailer vehicle according to Configuration 1, wherein the fairing nose includes a rim extending in the horizontal direction, the rim having an upper slant surface provided on its upper side and formed to face an upper side slanted in the vehicle traveling direction, and the rim having a lower slant surface provided on its lower side and formed to face an oblique lower side in the vehicle traveling direction.

[0112] With this configuration, the airflow can be directed upward through the upper sloped surface and flow to the rider's head through the upper fairing of the front cowl. Furthermore, the airflow can flow through the lower sloped surface to the inside of the front cowl, thus smoothly improving driving stability.

[0113] (Configuration 3) The semi-riding vehicle according to Configuration 2, wherein the cowl nose includes a pair of left and right side slant surfaces inclined outward and downward in the vehicle width direction from the side end portion of the lower slant surface to the rear in the vehicle traveling direction.

[0114] According to this configuration, the wind absorbed from the front by the side slope can be directed to the side of the vehicle body, the wind can be directed, and the driving stability can be easily improved.

[0115] (Configuration 4) The ride-on semi-trailer vehicle according to configuration 2 or 3, wherein the front cowl includes an opening opening forward and downward, an edge of the deck nose is exposed to a surface adjacent to a lower edge of the lower slant surface, the flap has a larger inclination angle than an inclination angle of the lower slant surface relative to the horizontal plane, and the flap is disposed, in the vehicle width direction, inside the front cowl opening of the front cowl.

[0116] With this configuration, the flap deflects the airflow flowing from the lower slant surface to the nose cone to separate the airflow from the front cowling. The separated airflow can be directed to the rear section of the fuselage or the upper section inside the front cowling. Therefore, with this configuration, the airflow can be prevented from colliding with the vicinity of the radiator on the extension of the lower slant surface.

[0117] (Configuration 5) The ride-on semi-trailer vehicle according to configuration 4, further including a head pipe provided in the front portion of the vehicle body, and a front fork rotatably supported on the head pipe, wherein the flap is arranged at least on the inner side of the front fork in the vehicle width direction.

[0118] According to this configuration, the airflow released by the flaps can be easily directed into the vehicle body without being affected by the front fork.

[0119] (Configuration 6) The ride-on semi-trailer vehicle according to configuration 3, wherein the deck nose has an edge exposed at a position adjacent to a lower edge of the side slope, and the edge of the deck nose and the side slope are formed substantially flush with each other.

[0120] According to this configuration, even at a connecting portion between the cowl nose and the deck nose, the airflow along the front cowl can be easily made to flow straight and can be smoothly guided in the left-right direction.

[0121] (Configuration 7) The ride-on semi-trailer vehicle according to configuration 6, further comprising a head pipe 18 provided at the front portion of the vehicle body, and a front fork rotatably supported on the head pipe, the side slant surface extending further outward in the vehicle width direction than the front fork.

[0122] According to this configuration, the wind can be easily directed to the side of the vehicle body without entering the front fork.

[0123] (Configuration 8) The ride-on semi-trailer vehicle according to configuration 7, wherein the deck nose has a duct provided at a rear side of the side slope and arranged outside the side slope in the vehicle width direction.

[0124] According to this configuration, the airflow can be directed to the inside of the front cowl through the duct, the inside of the front cowl can be cooled, and the driving stability can be easily improved.

[0125] (Configuration 9) The ride-on semi-trailer vehicle according to configuration 2 or 3, further comprising an alignment member formed to be integrated with the deck nose at a position adjacent to an upper end of the upper inclined surface.

[0126] Since according to this configuration the airflow is guided through the upper inclined surface directly to the position of the alignment element, the airflow can be efficiently aligned by the alignment element.

[0127] (Configuration 10) The ride-on semi-trailer vehicle according to configuration 9, wherein the aligning member includes: the convex surface portion having a shape convex toward the front of the vehicle body, bent portions provided at the opposite ends of the convex portion in the vehicle width direction and formed so that their inclination angle is smaller than that of the convex portion relative to the vehicle traveling direction, and a bent portion provided at the outer side of the bent portion in the vehicle width direction and formed so that it extends in the vehicle body traveling direction and faces the inner side of the vehicle body.

[0128] According to this configuration, the airflow can be collected from the convex portion toward the curved portion and dispersed from the bent portion in the vehicle width direction. Therefore, it is possible to contribute to improving driving stability.

[0129] (Configuration 11) The ride-on vehicle according to configuration 10, wherein the deck nose includes surfaces in contact with the alignment member and provided respectively above and below the alignment member, and the surfaces respectively have depressed portions toward the rear of the vehicle body relative to the convex portion, and openings are respectively formed in the depressed portions.

[0130] With this configuration, a portion of the airflow that has collided with the alignment element and whose pressure has increased flows from the openings to the inside of the front cowl, making it possible to adjust the pressure. Therefore, it is possible to contribute to improving driving stability while adjusting the pressure.

[0131] (Configuration 12) The ride-on vehicle according to any one of configurations 1 to 3, further including a pair of left and right headlights provided at the front portion of the vehicle body, and an opening provided at a front end portion of the locking portion and in the vehicle width direction inside the pair of left and right headlights and configured to communicate with the inside of the front cowl, wherein an electrical component formed to be different from each of the headlights is arranged in the opening.

[0132] According to this configuration, since the electrical component is arranged in the opening, it is possible to ensure accessibility during maintenance or the like even if the entire front panel is not removed from the vehicle body. List of reference symbols 10 ride-on semi-trailer vehicles 14 Front fork 18 Head pipe 41 Front panel 51a Headlight section (headlight) 70 Decknose 73a line 74a Front panel opening (opening section) 76d Access opening (opening) 78 flap (flap) 80 fairing nose 81 edge 82 upper inclined surface (inclined surface) 83 lower inclined surface (inclined surface) 84 Side bevel (sloping surface) 92 Alignment element 92a convex section (convex section) 92b curved section (curved section) 92c bent section (bent section) 93 dashed area (area) 93a Opening 94 dashed area (area) 94a Opening 100 locking section 110 ETC antenna (electrical component) QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] JP 7 286 704 B

[0002]

Claims

[1] A semi-trailer vehicle having a front fairing (41) covering a front portion of a vehicle body, characterized by , that the front fairing (41) includes a deck nose (70) and a fairing nose (80), wherein the deck nose (70) covers a front surface of the vehicle body and a lower portion of the front surface of the vehicle body, and the fairing nose (80) covers a part of the deck nose (70) from a front side of the deck nose (70), the deck nose (70) has a locking portion (100) formed at its front end portion and arranged along a shape of the fairing nose (80), and the fairing nose (80) contains inclined surfaces (82, 83, 84), each of the inclined surfaces (82, 83, 84) directing airflow radially to the deck nose (70), covering the locking section (100) and being locked to the locking section (100). [2] The semi-trailer vehicle according to claim 1, wherein the cladding nose (80) contains a horizontally extending edge (81), the edge (81) has an upper inclined surface (82) provided on its upper side and designed to point obliquely towards the upper side in the direction of vehicle travel, and the edge (81) has a lower inclined surface (83) provided on its lower side and designed to point obliquely towards the lower side in the vehicle travel direction. [3] The saddle-riding vehicle according to claim 2, wherein the cowl nose (80) includes a pair of left and right side inclined surfaces (84) inclined outward and downward in the vehicle width direction from a side end portion of the lower inclined surface (83) to the rear in the vehicle traveling direction. [4] The semi-trailer vehicle according to claim 2 or 3, wherein the front panel (41) includes an opening section (74a) which opens forwards and downwards, the cover nose (70) has an edge which is exposed to a surface adjacent to a lower edge of the lower inclined surface (83), the deck nose (70) has a flap formed on its edge, the flap (78) having an angle of inclination relative to a horizontal plane that is greater than an angle of inclination of the lower inclined surface (83), and the flap (78) is arranged, in the vehicle width direction, within the front panel opening (74a) of the front panel (41). [5] The semi-trailer ride-on vehicle according to claim 4, further comprising: a head pipe (18) provided at the front portion of the vehicle body; and a front fork (14) rotatably mounted on the head pipe (18), wherein the flap (78) is arranged at least inside the front fork (14) in the vehicle width direction. [6] The semi-trailer vehicle according to claim 3, wherein the cover nose (70) has an edge which is exposed at a position adjacent to a lower edge of the side bevel (84), and the edge of the deck nose (70) and the side bevel (84) are designed such that they are substantially flush with one another. [7] The semi-trailer ride-on vehicle according to claim 6, further comprising: a head pipe (18) provided at the front portion of the vehicle body; and a front fork (14) which is rotatably mounted on the head tube (18), wherein the side bevel (84) extends further outward in the vehicle width direction than the front fork (14). [8] The saddle-riding vehicle according to claim 7, wherein the deck nose (70) has a duct (73a) provided on a rear side of the side slant surface (84) and arranged outside the side slant surface (84) in the vehicle width direction. [9] The semi-trailer vehicle according to claim 2 or 3, further comprising an alignment member (92) configured to be integrated with the deck nose (70) at a position adjacent to the upper end of the upper inclined surface (82). [10] The saddle-riding vehicle according to claim 9, wherein the aligning member (92) includes: a convex portion (92a) having a shape convex toward the front of the vehicle body, bent portions (92b) each provided at opposite ends of the convex portion (92a) in the vehicle width direction, an inclination angle of each of the bent portions (92b) being smaller than an inclination angle of the convex portion (92a) relative to the vehicle traveling direction, and a bent portion (92c) provided at the outer side of the bent portion (92b) in the vehicle width direction, the bent portion (92c) extending in the vehicle body traveling direction and facing the inner side of the vehicle body. [11] The saddle-riding vehicle according to claim 10, wherein the deck nose (70) includes surfaces (93, 94) in contact with the aligning member (92), the surfaces (93, 94) being provided respectively above and below the aligning member (92), and the surfaces (93, 94) each having recessed portions relative to the convex portion (92a) toward the rear of the vehicle body, and respective openings (93a, 94a) are formed in the recessed portions (93a, 94a). [12] The semi-trailer vehicle according to any one of claims 1 to 3, further comprising: a pair of left and right headlights (51a) provided on the front portion of the vehicle body, and an opening (76d) provided at a front end portion of the locking portion (100) and in the vehicle width direction within the pair of left and right headlights (51a), the opening (76d) communicating with an inner side of the front cowl (41), wherein an electrical component is arranged in the opening (76d) which is designed to be different from each of the headlights (51a).

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