TWI576262B - Shroud structure for saddle-ride type vehicle - Google Patents

Description

Fairing structure of a straddle type vehicle

The present invention relates to a fairing construction for a straddle type vehicle.

The fairing structure of the conventional straddle type vehicle is, for example, the structure disclosed in Patent Document 1. This is a part of the fuel tank that is caught by the driver's knee, and the structure of the fairing that is covered from the side is formed such that the front side fairing that constitutes the front side of the vehicle and the rear side that constitutes the rear side of the vehicle The configuration in which the fairings cooperate with each other.

[Previous Technical Literature] [Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2013-60101

The structure disclosed in Patent Document 1 rectifies the rear side The front portion of the cover is coupled to the rear portion of the front side cowl, thereby ensuring strength and weight reduction of the cowl when the cowl is made large. However, there is still room for improvement.

Therefore, an object of the present invention is to ensure a further strength and weight reduction of the fairing for the fairing structure of the straddle type vehicle.

As a solution to the above problem, the fairing structure of the straddle type vehicle (1) according to the invention of claim 1 is sandwiched by the driver's knee from the left and right sides of the front fork (4). The front portion of the knee-clamping member (30) and the front portion of the engine (20) located below the knee-clamping member (30) are arranged with a fairing (40) on the left and right sides of the vehicle body. The fairing structure of the vehicle (1), wherein the fairing (40) has an inner fairing (50) disposed on the inner side in the vehicle width direction and is disposed in the vehicle body than the inner fairing (50) The outer cowl (60) on the outer side in the width direction, the inner cowl (50) has an upper and lower web portion (51w) that overlaps the outer cowl (60) in the vertical direction when viewed from the side, and has The front and rear projecting portions (51f, 51r) projecting in the front-rear direction from the front and rear edges (61, 62) of the outer fairing (60).

The invention according to claim 2 is characterized in that a concave portion (41, 50d) that extends in the front-rear direction and is recessed toward the inner side in the vehicle width direction is formed between the upper and lower sides of the fairing (40).

The invention according to claim 3 is characterized in that: the mounting portion (53, 56) for mounting the vehicle body is provided on the upper and lower sides of the fairing (40), and the recessed portion when viewed from the side ( 41, 50d) between the fairing (40) at the overlapping position and the vehicle body, a position regulating portion (55) is disposed, and the position regulating portion (55) is offset from the outer side of the vehicle body width direction. The vehicle body is connected to the inside of the vehicle body to regulate the movement of the fairing (40) toward the inner side in the vehicle width direction.

The invention according to claim 4 is characterized in that the outer cowl (60) is connected to the inner cowl by a fastening member (70) that is joined from the side of the inner cowl (50). 50) integrally assembled and mounted to the vehicle body by the aforementioned mounting portions (53, 56) provided on the side of the inner fairing (50), and the outer fairing (60) is viewed from the side The fastening member (70) and the mounting portion (53, 56) are covered so that the fastening member (70) and the mounting portion (53, 56) are exposed to the outside.

The invention of claim 5 is characterized in that between the outer cowl (60) and the front and rear projecting portions (51f, 51r) of the inner cowl (50), flow is allowed to flow through the outer side A traveling air passage (44) through which the traveling wind between the fairing (60) and the inner cowl (50) passes.

The invention according to claim 6 is characterized in that the fairing (40) is formed from the side of the outer side surface of the front fork (4) in the vehicle width direction toward the rear of the front fork (4) The side is extended, and the inclined wall (42) is inclined in such a manner that the upper side is more rearward, the foregoing The vehicle body width direction inner end (42a) of the inclined wall (42) is located on the inner side in the vehicle width direction from the vehicle body width direction outer end (4a) of the front fork (4).

The invention according to claim 7 is characterized in that a concave portion (41, 50d) extending in the front-rear direction and recessed toward the inner side in the vehicle width direction is formed between the upper and lower sides of the fairing (40), as viewed from the side The upper edge (23a) of the cooling device (23) is disposed below the recess (41, 50d), and the cooling device (23) is disposed in front of the engine (20). The wall (42) is disposed above the aforementioned recesses (41, 50d).

According to the invention of claim 1, the fairing is formed such that the inner fairing and the outer fairing are combined, whereby the fairing can be raised as compared with the case where the fairing is formed into a single-piece structure. Rigidity. For example, the less rigid portion of the outer fairing can be effectively reinforced by the rigidity of the inner fairing. Moreover, when viewed from the side, the inner fairing and the outer fairing are overlapped in the vertical direction, and the front and rear edges of the outer fairing are extended in the front-rear direction, thereby forming the inner fairing and the outer fairing. Compared with the case of the same size, it is possible to suppress the increase in size of the fairing and to reduce the weight. Therefore, it is possible to ensure further strength and weight reduction of the fairing.

Further, since the inner cowl is supported by the outer cowl from the outer side in the vehicle width direction, it is possible to suppress the inner cowl from being affected by the traveling wind. And the phenomenon of expanding outward in the width direction of the vehicle body.

According to the invention of the second aspect of the invention, the amount of suspension of the fairing can be reduced as compared with the case where the fairing is entirely convex outward in the vehicle width direction (that is, the outer side of the vehicle body width direction is suspended when viewed from the front) The length of the split can suppress the enlargement of the fairing and reduce the weight.

According to the invention of claim 3, the attachment portion can be used to hold the fairing up and down to the vehicle body, and the position regulating portion can be used to suppress the sway of the front end portion of the upper and lower middle portions of the fairing. Moreover, since the position regulating portion is disposed at a position overlapping the concave portion as viewed from the side, the amount of suspension of the position regulating portion can be reduced (that is, the length hanging outward in the vehicle width direction when viewed from the front) . Moreover, since the mounting portion is disposed above and below the fairing, the degree of freedom in mounting the position (position) when the fairing is attached to the vehicle body can be improved.

According to the invention of claim 4, the outer fairing is integrally formed with the inner fairing by means of a fastening member that is joined by the side of the inner fairing, thereby improving the inner fairing and the outer fairing. The combination of the cover enhances assembly. Further, in a state in which the outer cowl and the inner cowl are integrally combined, the outer cowl is attached to the vehicle body by the mounting portion provided on the inner cowl side, so that the fairing can be lifted to the vehicle body. Installability. Moreover, since the fastening member and the attachment portion are covered by the outer cowl so as not to be exposed to the outside, it is possible to prevent the fastening member and the attachment portion from being exposed to the outer fairing. Face, can enhance the appearance.

According to the invention described in claim 5, the traveling wind can be used to lift The rectification effect of the high fairing and the suppression of the traveling wind being caught on the rider can improve the riding comfort. Further, by increasing the aforementioned rectifying effect, the cooling effect of the engine or the like can be improved.

According to the invention of claim 6, the traveling air can be guided upward by the space inside the vehicle body width direction of the fairing, so that the lowering pressure of the front wheels can be improved and the riding comfort can be improved.

According to the invention of claim 7, the downward pressure generated by the inclined wall above the recess is utilized, and the effect of improving the riding comfort and the effect of improving the cooling performance of the engine and the cooling device can be achieved.

1‧‧‧Two-wheeled locomotive (straddle type vehicle)

2‧‧‧front wheel

3‧‧‧Front mud board

3a‧‧‧Guidance

4‧‧‧ Front fork

5‧‧‧Steering system

6‧‧‧Rolling handlebars

7‧‧‧ instrumentation

8‧‧‧ headlights

10‧‧‧Car body skeleton

11‧‧‧ head tube

12‧‧‧Main skeleton

13‧‧‧Down skeleton

20‧‧‧ engine

21‧‧‧ crankcase

22‧‧‧ cylinder

23‧‧‧Oil cooler (cooling device)

23a‧‧‧Upper edge

30‧‧‧ fuel tank (knee-member)

31‧‧‧ straddle cushion

32‧‧‧Motorcycle Horn

40‧‧‧ fairing

41, 50d, 60d‧‧‧ recess

42‧‧‧ sloping wall

44‧‧‧Traveling through the mouth

50‧‧‧Inside fairing

51f, 51r‧‧‧ front and rear extensions

51w‧‧‧Up and down

53‧‧‧Installation Department

55‧‧‧Location Regulation Department

56‧‧‧Clock (installation)

60‧‧‧Outer fairing

61,62‧‧‧ front and rear

70‧‧‧ fastening members

Fig. 1 is a right side view showing an essential part of a two-wheeled locomotive according to an embodiment of the present invention.

Fig. 2 is a front view of the above two-wheeled locomotive.

Fig. 3 is a perspective view of an important part of the two-wheeled locomotive as seen from the upper right side.

Fig. 4 is a perspective view corresponding to Fig. 3 showing a state in which the outer fairing is removed from the fairing of the two-wheeled locomotive.

Fig. 5 is a cross-sectional view taken along line V-V of Fig. 1.

Fig. 6 is a perspective view of the front portion of the fairing on the right side of the vehicle body as viewed from the front left side.

Fig. 7 is a perspective view showing the rear portion of the fairing on the right side of the vehicle body as viewed from the right rear side.

Fig. 8 is a perspective view of the attachment portion of the cowl on the right side of the tank of the two-wheeled locomotive as seen from the upper right side.

Fig. 9 is a perspective view of the position regulating portion of the fairing on the right side of the vehicle body as viewed from the right front side.

Fig. 10 is a perspective view showing the abutting portion of the position regulating portion as viewed from the right front side.

Fig. 11 is a perspective view of the mounting portion of the lower portion of the fairing on the right side of the body frame of the two-wheeled locomotive as seen from the upper right side.

Figure 12 is a right side view of the inner fairing of the fairing on the right side of the vehicle body.

Figure 13 is a front elevational view of the inner fairing on the right side of the vehicle body.

Figure 14 is a right side view of the outer fairing on the right side of the vehicle body.

Figure 15 is a front elevational view of the outer fairing on the right side of the vehicle body.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, in the following description, the direction of the front, back, left, and the like is the same as the direction in the vehicle described below unless otherwise specified. Further, in the appropriate positions in the drawings used in the following description, an arrow symbol FR indicating the front of the vehicle, an arrow symbol LH indicating the left side of the vehicle, and an arrow symbol UP indicating the upper side of the vehicle are indicated. The line CL in the figure indicates the left and right center lines of the vehicle body.

Fig. 1 is a right side view showing an important part of a two-wheeled locomotive 1 (a straddle type vehicle) according to an embodiment of the present invention.

Fig. 2 is a front view of the two-wheeled locomotive 1 described above.

As shown in Fig. 2, the front wheel 2 of the two-wheeled locomotive 1 is pivotally supported by the lower end portions of the pair of right and left front forks 4. The upper portion of the left and right front forks 4 is a head pipe 11 that is pivotally supported by the front end portion of the vehicle body frame 10 via the steering system 5 . The steering handlebar 6 for steering is mounted on the top bridging member of the steering system 5. The meter device 7, the headlight 8 and the like are supported by the steering system 5.

As shown in Fig. 1, in the body frame 10, the main frame 12 extends rearward of the head pipe 11, and the lower frame 13 extends rearward and downward of the head pipe 11. Below the main frame 12 and behind the descending frame 13, an engine 20 (internal combustion engine) is mounted. On the main skeleton 12, a tank 30 (a knee-clamping member) for gripping the knee of the driver is disposed. At the rear of the fuel tank 30, a straddle type cushion 31 for riding by a driver or the like is disposed.

The engine 20 erects the cylinder 22 above the front portion of the crankcase 21 constituting the lower portion of the engine. The cylinder 22 has, in order from the side of the crankcase 21, a cylinder body, a cylinder head, and a cylinder head cover.

Referring to Fig. 2, the oil tank 30 is made of, for example, a steel plate, and is formed to span the left and right sides of the main frame 12. In the region from the left and right sides of the left and right front forks 4 to the front portion of the fuel tank 30 and the front portion of the engine 20 below the oil tank 30, a pair of right and left fairings 40 are disposed on the right and left sides of the vehicle body. To guide the driving wind to the engine 20 and the like.

Further, at the lower end portions of the left and right front forks 4, there are arranged: A front fender 3 for covering the upper portion of the front wheel 2. On the left and right sides of the front fender 3, a guide portion 3a that can guide the traveling wind to the cowl 40 or the like is formed. The guiding portion 3a is inclined and is located above the rear side. Thereby, the downforce can be increased and the riding comfort can be improved.

The shape of the fairing 40, when viewed from the side, is a triangular shape in which the upper and lower sides are smaller as it is closer to the front side. The fairing 40 is configured to protrude from the side of the oil tank 30 toward the front lower side, and is located above the front side of the cylinder 22 of the engine 20 when viewed from the side. Between the upper and lower sides of the fairing 40, a concave portion 41 that extends in the front-rear direction and that is recessed toward the inner side in the vehicle width direction is formed.

The cowl 40 has an inner cowl 50 disposed on the inner side in the vehicle width direction and an outer cowl 60 disposed on the outer side of the inner cowl 50 in the vehicle width direction.

When the outer shroud 60 is coated with a resin such as ABS resin (acrylonitrile-butadiene-styrene copolymer resin), the appearance can be improved.

The inner cowl 50 is formed in a triangular shape similar to the shape of the side view of the cowl 40, and the outer cowl 60 is formed such that when viewed from the side, the closer to the front side, the smaller the vertical shape is. .

The inner cowl 50 has an upper and lower web 51w that overlaps with the outer cowl 60 in the up-and-down direction as viewed from the side, and has a front-rear extension that protrudes toward the front-rear direction from the front and rear edges 61, 62 of the outer cowl 60. Outlet 51f, 51r. The front extension 51f of the inner fairing 50 is composed of Viewed from the side, it has a V shape that protrudes toward the front.

The front and rear projecting portions 51f, 51r of the inner cowl 50 can be improved in scratch resistance by using a coloring resin such as PP resin (polypropylene resin). That is, even if a collision such as a flying stone or a boot strikes the front and rear projecting portions 51f, 51r of the inner cowl 50, it is possible to suppress the occurrence of scratches in the front and rear projecting portions 51f, 51r.

Between the outer cowl 60 and the front extension portion 51f and the rear extension portion 51r of the inner cowl 50, a traveling wind that allows the flow between the outer cowl 60 and the inner cowl 50 is passed. The wind passes through the mouth 44. With this traveling wind passage port 44, most of the traveling wind introduced into the cowl 40 can be led toward the cylinder 22 of the engine 20.

Fig. 3 is a perspective view of an important part of the two-wheeled locomotive 1 as viewed from the upper right side.

Fig. 4 is a perspective view corresponding to Fig. 3 showing a state in which the outer cowl 60 is removed from the cowl 40 of the two-wheeled locomotive 1.

As shown in Fig. 3, on the front upper side of the engine 20, an oil cooler 23 (cooling means) is disposed. The oil cooler 23 has a rectangular parallelepiped shape whose long axis is located in the vehicle body width direction, and is disposed such that the front surface (core surface) is inclined toward the front lower side. The oil cooler 23 is attached to the descending frame 13 via a bracket or the like. Viewed from the side, the upper edge 23a of the oil cooler 23 is disposed below the recess 41 of the cowl 40 (the recess 50d of the inner cowl 50) (please refer to FIG. 1).

Further, below the oil cooler 23, a locomotive horn 32 is disposed.

As shown in FIG. 4, in the traveling wind passage opening 44, a plurality of (for example, nine in the present embodiment) ribs 52a which are inclined toward the front and the bottom are used to constitute the wind direction grille 52. The rib 52a is erected outward from the outer side surface of the inner cowl 50 in the vehicle width direction. By arranging the wind direction grille 52 at the traveling air passage opening 44, the traveling wind flowing into the cowl 40 can be rectified to reduce the wind resistance. Further, by tilting the wind direction grille 52 toward the front and the bottom, it is possible to suppress entry of rainwater or the like. Further, the fairing 40 is configured such that two members of the inner fairing 50 and the outer fairing 60 (see FIG. 3) are configured to be formed outside the width direction of the vehicle body of the inner fairing 50 formed on one of the members. The plurality of ribs 52a on the side surface constitute the wind direction grid 52, which can be easily formed as the wind direction grid 52.

In the rear upper portion of the inner cowl 50, a mounting portion 53 for mounting to the body of the oil tank 30 is provided. In the inner fairing 50, there is provided an assembly portion 54 for assembly onto the outer fairing 60. The outer cowl 60 is a fastening member 70 such as a bolt that is joined from the side of the inner cowl 50, and is integrally assembled with the inner cowl 50, and is mounted on the side of the inner cowl 50. The portion 53 and the like are attached to the fuel tank 30 and the like. As shown in Fig. 1, the outer cowl 60 covers the fastening member 70, the mounting portion 53, and the like, so that the fastening member 70, the mounting portion 53, and the like are not exposed when viewed from the side. external.

Fig. 5 is a cross-sectional view taken along line V-V of Fig. 1. In addition, in the fifth drawing, the illustration of the vehicle body frame 10 and the like is omitted for the convenience of the department.

As shown in FIG. 5, the fairing 40 is formed by: the front fork 4 The outer side surface side in the vehicle body width direction extends toward the rear side of the front fork 4, and is inclined toward the rear upper side. The inclined wall 42 is disposed above the recess 41 of the cowl 40 (the recess 50d of the inner cowl 50). As viewed in the cross-sectional view of Fig. 5, the inclined wall 42 is curved and extended so that the more toward the rear side, the inner side in the vehicle body width direction.

The vehicle body width direction inner end 42a of the inclined wall 42 is positioned further inward in the vehicle body width direction than the vehicle body width direction outer end 4a of the front fork 4. When viewed in the cross-sectional view of Fig. 5, the distance W1 in the vehicle body width direction between the vehicle body width direction inner end 42a of the left and right inclined walls 42 is smaller than the outer width of the left and right front forks 4 in the vehicle width direction outer end 4a. The distance W2 in the width direction of the vehicle body is also (W1 < W2).

Fig. 6 is a perspective view of the front portion of the fairing 40 on the right side of the vehicle body as viewed from the front left side.

As shown in Fig. 6, on the inner side in the vehicle body width direction of the front portion of the cowl 40, a plurality of ribs 52b which are inclined toward the front and the bottom are disposed. The plurality of ribs 52b are erected from the inner side surface of the inner cowl 50 in the vehicle width direction toward the inner side in the vehicle body width direction. The plurality of ribs 52b are disposed between the plurality of ribs 52a constituting the wind direction grille 52 so as to be interposed between the front and rear projection portions 51f in the vehicle body width direction. Thereby, the wind direction grille 52 can be reinforced, and the rigidity of the front portion of the fairing 40 can be improved.

Fig. 7 is a perspective view of the rear portion of the fairing 40 on the right side of the vehicle body as seen from the right rear side.

As shown in Fig. 7, the wind passing through the rear of the fairing 40 Within 44, there is no wind direction grid. Therefore, the opening area of the traveling air passage opening 44 at the rear portion of the cowl 40 is larger than the opening area of the traveling wind passage opening 44 in which the wind direction grille 52 of the front portion of the cowl 40 is disposed.

Fig. 8 is a perspective view of the mounting portions 71, 73 of the cowl 40 on the right side of the tank 30 as viewed from the upper right. Further, in the eighth drawing, for the sake of convenience, the inner cowl 50 is illustrated together with the assembly member 72 of the outer cowl 60.

As shown in Fig. 8, the attachment portions 71, 73 of the fairing 40 are fixed to the outer side surface of the front portion of the oil tank 30 in the vehicle width direction. The first mounting portion 71 and the second mounting portion 73 are arranged to be spaced apart from each other by a predetermined interval.

The first mounting portion 71 has a pair of leg portions 71b welded to the front surface 30a formed on the front portion of the oil tank 30, and a pair of standing walls 71c standing up from the pair of leg portions 71b toward the front upper portion, spanning a pair of standing walls The front wall 71d between the front ends of the 71c. The first attachment portion 71 is formed in a hat shape that protrudes upward from the front surface 30a of the oil tank 30. The fastening member 71a such as a bolt can be locked and fixed by being screwed into the front wall 71d of the first mounting portion 71 from the front upper side. The front wall 71d of the first attachment portion 71 projects outward from the first insertion hole 53a of the inner cowl 50 toward the outer side in the vehicle width direction of the inner cowl 50, between the inner cowl 50 and the outer cowl 60. It is confined to the seat face 53c, etc. (please refer to Figure 4).

The second attachment portion 73 has a base portion 73b that is welded to the lateral surface 30b formed on the front portion of the oil tank 30, a vertical wall 73c that is erected toward the outside in the vehicle width direction by the base portion 73b, and extends outward from the outer end of the vertical wall 73c. The outer wall 73d is extended. The second attachment portion 73 is formed in a crank shape that extends outward in the vehicle body width direction from the lateral surface 30b of the oil tank 30 and then extends forward. The outer wall 73d of the second mounting portion 73 is for mounting an elastic member 73a formed of an elastic material such as rubber. The outer wall 73d of the second mounting portion 73 after the elastic member 73a has been attached protrudes from the second insertion hole 53b of the inner cowl 50 to the outer side in the vehicle width direction of the inner cowl 50, and the inner cowl 50 is The outer fairings 60 are inserted into the insertion portion 53d in front of the second insertion hole 53b.

The assembly member 72 is disposed to be spaced apart from each other by a predetermined interval from the upper rear side and the front lower side of the second mounting portion 73. The assembly member 72 is formed, for example, by bending a strip-shaped spring steel plate into a U shape, and the U-shaped opening is formed such that the closer to the outer side in the width direction of the vehicle body, the more the opening is opened in the front-rear direction. The assembly member 72 is inserted into the insertion holes 54f, 54g of the inner cowl 50, for example, in a state in which the locking pieces 64f and 64g (refer to FIG. 15) that are erected toward the inner side of the outer cowl 60 are attached. (Refer to Fig. 4), whereby the inner cowl 50 and the outer cowl 60 are coupled together.

Fig. 9 is a perspective view of the position regulating portion 55 of the cowl 40 on the right side of the vehicle body as viewed from the front right side.

As shown in Fig. 9, the position regulating portion is disposed between the cowl 40 and the vehicle body at a position overlapping the concave portion 41 (the concave portion 50d of the inner cowl 50) of the cowl 40 as viewed from the side. In the position regulating portion 55, the movement of the cowl 40 toward the inner side in the vehicle width direction can be made to abut against the vehicle body from the outer side in the width direction of the vehicle body. Law, and regulate it. The position regulating portion 55 is formed in a bottomed cylindrical shape in which the inner side surface of the inner cowl 50 in the vehicle width direction protrudes inward in the vehicle body width direction. The position regulating portion 55 abuts the seat portion 76a to be described later from the outer side in the vehicle body width direction, and engages the bottom portion thereof with an engaging portion 76b (described later in FIG. 10). The position regulating portion 55 is integrally formed with the inner side surface of the inner cowl 50 in the vehicle width direction.

Fig. 10 is a perspective view showing the contact portion 76 of the position regulating portion 55 as viewed from the right front side. Further, in Fig. 10, for the sake of convenience, the abutting portion 76 of the position regulating portion 55 attached to the inner cowl 50 is drawn by a two-dot chain line.

As shown in Fig. 10, in the lower portion of the head pipe 11 (please refer to Fig. 1) and the upper portion of the descending frame 13, a gusset 74 that straddles the two is joined by welding or the like. At a position facing the position regulating portion 55 in the vehicle body width direction on the stay 74, a seating surface 74a for abutting the abutting portion 76 is disposed. The abutting portion 76 includes a cylindrical seat portion 76a having a central axis along the vehicle body width direction, and an engaging portion that protrudes outward in the vehicle width direction from the seat portion 76a and then bulges in the front-rear direction. 76b. The seat portion 76a is abutted against the bottom of the position regulating portion 55, and the engaging portion 76b is engaged with the bottom portion of the position regulating portion 55. The abutting portion 76 attached to the position regulating portion 55 abuts against the seat surface 74a from the outer side in the vehicle body width direction. Thus, the movement of the fairing 40 toward the inner side in the vehicle width direction can be regulated. The abutting portion 76 is formed of, for example, an elastic material such as rubber.

Fig. 11 is a perspective view of the mounting portion of the lower portion of the cowl 40 on the right side of the vehicle body frame 10 as viewed from the upper right side.

As shown in Fig. 11, the outer side portion of the row frame 13 which constitutes the vehicle body frame 10 is joined to the bracket 75 which protrudes outward in the vehicle body width direction in front of the engine 20 by welding or the like. The bracket 75 is integrally provided with a cylindrical tubular portion 75a having an inclined central axis which is located above the front side with respect to the up and down direction. The way to tilt. In this cylindrical portion 75a, an annular annular member 77 formed of an elastic material such as rubber is attached. On the outer circumferential surface of the annular member 77, a groove 77a along the circumferential direction of the annular member 77 is formed. The engaging piece 56 that is erected inwardly of the inner cowl 50 (that is, the mounting portion, see Fig. 13) is engaged in this groove 77a, and the lower portion of the cowl 40 is supported.

Fig. 12 is a right side view of the inner fairing 50 on the right side of the vehicle body.

Figure 13 is a front elevational view of the inner fairing on the right side of the vehicle body. Further, in the drawing of Fig. 13, for the sake of convenience, the abutting portion 76 of the position regulating portion 55 attached to the inner cowl 50 is drawn by a two-dot chain line.

As shown in Fig. 12, the shape of the inner cowl 50 is a triangular shape which is closer to the front side and has a smaller upper and lower width as viewed from the side, and has a shape which is inclined toward the front side as it is closer to the upper side. The front side portion 50a has an inclined upper side portion 50b so as to be located closer to the rear side, and a rear lower side portion 50c spanning between the lower end of the front side portion 50a and the rear end of the upper side portion 50b.

In the rear upper portion of the inner cowl 50, a first insertion hole 53a, a second insertion hole 53b, a seat portion 53c, and an insertion portion 53d of the attachment portion 53 used for mounting the oil tank 30 are disposed.

The first insertion hole 53a is disposed on the side close to the upper side portion 50b. The first insertion hole 53a is formed in a rectangular shape extending from the side closer to the front side as viewed from the side, and is open toward the front outer side.

The second insertion hole 53b is disposed on the side close to the rear lower side portion 50c. On the other hand, the second insertion hole 53b is formed in a trapezoidal shape in which the front-back width becomes smaller as it goes closer to the lower side, and is opened toward the vehicle body width direction.

The seat portion 53c is disposed in front of the first insertion hole 53a. The seat portion 53c is inclined from the side as it is located closer to the front side as viewed from the side.

The insertion portion 53d is disposed in front of the second insertion hole 53b. The insertion portion 53d has a convex shape that protrudes forward as viewed from the side.

Further, in the rear portion of the inner cowl 50, a mounting portion 57 that protrudes rearward is formed, and this mounting portion 57 can serve as the vehicle component 32 for the inner cowl 50 with respect to, for example, a side cover (please refer to FIG. 1). The mounting portion 57 used for mounting.

In the inner cowl 50, the first assembly portion 54a, the second assembly portion 54b, the third assembly portion 54c, and the fourth assembly portion 54d of the assembly portion 54 used for assembling the outer cowl 60 are disposed. The fifth assembly portion 54e, the first insertion hole 54f, and the second insertion hole 54g.

The first assembling portion 54a, the second assembling portion 54b, and the third assembling portion 54c are disposed in front of the inner cowl 50, and are disposed side by side along the front side portion 50a and spaced apart from each other by a predetermined interval. The fourth assembling portion 54d is disposed at the center of the front and rear of the upper portion of the inner cowl 50, and is disposed closer to the side of the upper side portion 50b. The fifth assembling portion 54e is disposed at the center of the top, bottom, left, and right of the inner cowl 50. The first assembly portion 54a, the second assembly portion 54b, the third assembly portion 54c, the fourth assembly portion 54d, and the fifth assembly portion 54e are formed with a circular insertion hole as viewed from the side, and are directed toward the vehicle body. The opening is formed in the width direction, and the annular seat surface is formed by the side view, and can be joined by the fastening member 70 (refer to FIG. 4) which is mounted in the vehicle width direction.

The first insertion hole 54f and the second insertion hole 54g are disposed at the rear upper portion of the inner fairing 50. The first insertion hole 54f is disposed at a lower rear side of the first insertion hole 53a and at a front lower side of the second insertion hole 53b. The second insertion hole 54g is disposed above the second insertion hole 53b and on the side close to the upper side portion 50b. The first insertion hole 54f and the second insertion hole 54g are formed in a rectangular shape which is inclined so as to be closer to the lower side as viewed from the side, and is opened toward the vehicle body width direction. The first locking piece 64f and the second locking piece 64g (please refer to FIG. 15) are inserted into the first insertion hole 54f and the second insertion hole 54g via the assembly member 72.

As shown in Fig. 13, the front extension portion 51f of the inner cowl 50 is formed in a V shape in which the upper and lower widths are smaller as it is located on the inner side in the vehicle width direction as viewed from the front. Inside fairing 50 Between the upper and lower sides, a concave portion 50d that extends in the front-rear direction and that is recessed toward the inner side in the vehicle width direction is formed. This recess 50d is a part of the recess 41 (refer to FIG. 1) which comprises the fairing 40.

The seat portion 53c is disposed on an upper portion of the inner cowl 50 on the inner side in the vehicle width direction. The seat surface portion 53c is formed with an insertion hole 53h that opens toward the front upper side.

In the upper and lower center portions on the inner side in the vehicle width direction of the inner cowl 50, the position regulating portion 55 is formed to protrude inward in the vehicle body width direction. The position regulating portion 55 is for mounting the abutting portion 76.

In the lower portion on the inner side in the vehicle width direction of the inner cowl 50, an engagement piece 56 is formed to protrude inward in the vehicle body width direction, and this engagement piece 56 is used as the ring member 77 (please refer to FIG. 11). The installation part at the time of installation. The engaging piece 56 is formed with a circular insertion hole that opens toward the front upper side, and the diameter of the insertion hole is smaller than the outer diameter of the annular member 77 (excluding the outer diameter of the outer peripheral surface of the groove 77a).

Fig. 14 is a right side view of the outer fairing 60 on the right side of the vehicle body.

Fig. 15 is a front elevational view of the outer fairing 60 on the right side of the vehicle body.

As shown in Fig. 14, the shape of the outer cowl 60 is such that, as viewed from the side, the closer to the front side, the smaller the upper and lower widths are, the smaller the V shape, the more the front side is convex. The V-shape is preceded by the trailing edges 61, 62 and the upper and lower edges 60a, 60b spanning between the upper and lower ends of the front and rear edges 61, 62.

As shown in Figure 15, the outer fairing 60 is configured Cheng: From the front, the closer to the lower side, the more the inner side of the width of the car body. Between the upper and lower sides of the outer cowl 60, a recess 60d that extends in the front-rear direction and is recessed toward the inner side in the vehicle width direction is formed. The upper and lower portions of the outer cowl 60 are formed to bulge outward in the vehicle width direction from the recess 60d. The outer fairing 60 is formed in a W shape in a lateral direction as viewed from the front. The recess 60d of the outer cowl 60 is a part of the recess 41 of the cowl 40 (please refer to FIG. 1).

In the upper portion of the outer cowl 60, a mounting portion 63 that can be used when the outer cowl 60 is attached to the oil tank 30 is provided. The mounting portion 63 protrudes inward from the inner side surface in the vehicle width direction of the outer cowl 60 in the vehicle body width direction, and is provided between the inner cowl 50 and the outer cowl 60, and the inner cowl The seat portion 53c of 50 (please refer to Fig. 12) has a plate shape that faces each other. An insertion hole 63h that opens toward the front upper side is formed at a position facing the insertion hole 53h (see FIG. 13) of the seat portion 53c of the mounting portion 63.

The outer cowl 60 is configured to constitute a first projecting portion 64a, a second projecting portion 64b, a third projecting portion 64c, and a fourth projecting portion of the assembling portion 64 used for assembling the inner cowl 50. The portion 64d, the fifth protruding portion 64e, the first locking piece 64f, and the second locking piece 64g.

The first protruding portion 64a, the second protruding portion 64b, the third protruding portion 64c, the fourth protruding portion 64d, and the fifth protruding portion 64e are formed such that the inner side surface of the outer fairing 60 in the width direction of the vehicle body faces the width of the vehicle body Protruding inside the direction a protruding column shape, and the protruding ends thereof can abut against the seating surfaces of the first assembling portion 54a, the second assembling portion 54b, the third assembling portion 54c, the fourth assembling portion 54d, and the fifth assembling portion 54e (please Refer to Figure 12).

The first locking piece 64f and the second locking piece 64g project inward from the inner side surface of the outer cowl 60 in the vehicle width direction toward the vehicle body width direction, and can be interposed between the assembly members 72 (please refer to the 8)) is inserted into the first insertion hole 54f and the second insertion hole 54g (refer to FIG. 4).

Hereinafter, an example of a method of attaching the fairing 40 to the vehicle body will be described.

First, the outer cowl 60 is integrated with the inner cowl 50 by a fastening member 70 (see FIG. 4) that is joined by the side of the inner cowl 50. Specifically, for example, the assembly member 72 (please refer to FIG. 8 ) is previously attached to the first locking piece 64 f and the second locking piece 64 g of the outer cowl 60 (please refer to FIG. 14 ). Then, in this state, a portion of the outer fairing 60 that protrudes inward in the vehicle width direction of the first locking piece 64f and the second locking piece 64g is inserted into the first insertion hole of the inner fairing 50. 54f and the second insertion hole 54g (refer to FIG. 4), the first locking piece 64f and the second locking piece 64g are respectively locked to the first insertion hole 54f and the second insertion hole 54g.

In this way, the posture of the outer cowl 60 relative to the inner cowl 50 can be regulated at a predetermined position. At this time, the attachment portion 63 of the outer cowl 60 (see FIG. 14) faces the seat surface portion 53c of the inner cowl 50, and each of the outer cowl 60 protrudes. The portions 64a to 64e (see Fig. 14) are opposed to the respective assembling portions 54a to 54e (see Fig. 12) of the inner cowl 50.

Further, the assembly member 72 is not necessarily attached to the first locking piece 64f and the second locking piece 64g of the outer fairing 60 in advance, and the assembly member 72 may be preliminarily mounted on the first insertion hole of the inner fairing 50. 54f and second jack 54g. In this case, the portion of the first locking piece 64f and the second locking piece 64g of the outer cowl 60 that protrudes inward in the vehicle body width direction is inserted into the inner cowl 50 to which the assembly member 72 has been mounted. The first jack 54f and the second jack 54g.

Next, as shown in Fig. 4, the fastening members 70 such as bolts are inserted into the insertion holes of the respective assembling portions 54a to 54e on the side of the inner cowl 50, and the outer fairings 60 are each side. The protruding portions 64a to 64e are respectively fixed and fixed. In this way, the outer fairing 60 is integrated with the inner fairing 50 to complete the fairing 40.

Next, the engagement piece 56 (refer to FIG. 13) of the lower part of the inner cowl 50 of the cowl 40 is attached to the ring member 77 (refer to FIG. 11). Specifically, the engagement piece 56 is engaged with the groove 77a of the annular member 77, and the lower portion of the cowl 40 is locked to the descending frame 13.

Next, the outer wall 73d of the second attachment portion 73 to which the elastic member 73a has been attached is inserted into the second insertion hole 53b at the rear upper portion of the inner fairing 50 of the cowl 40 (refer to FIG. 4), and The outer peripheral wall 73d of the inner fairing 50 extending through the second insertion hole 53b is inserted into the insertion portion 53d in front of the second insertion hole 53b, and The insertion portion 53d is locked to the second attachment portion 73. Further, as shown in FIG. 9, the position regulating portion 55 of the upper and lower center portions of the inner cowl 50 of the cowl 40 is abutted against the seat surface 74a of the stay 74 by the abutting portion 76. Specifically, the abutting portion 76 attached to the position regulating portion 55 abuts against the seat surface 74a from the outer side in the vehicle width direction to regulate the movement of the fairing 40 toward the inner side in the vehicle width direction.

In this way, the posture of the fairing 40 relative to the vehicle body can be regulated at a predetermined position. At this time, as shown in FIG. 4, the front wall 71d of the first mounting portion 71 on the oil tank 30 protrudes from the first insertion hole 53a of the inner cowl 50 to the outside, and the rear upper portion of the inner cowl 50 The seat portion 53c is opposed to the front wall 71d from the front, and may be interposed between the front wall 71d and the seat portion 53c, for example, a mounting portion 63 of the upper portion of the outer cowl 60.

Next, the fastening member 71a is inserted into the insertion hole 63h of the mounting portion 63 and the insertion hole 53h of the seat portion 53c, and the fastening member 71a is screwed into the front wall 71d of the first mounting portion 71. The seat portion 53c and the attachment portion 63 are connected and fixed to the first attachment portion 71. In other words, the seat portion 53c on the side of the inner cowl 50 and the attachment portion 63 on the side of the outer cowl 60 are locked and fixed to the first attachment portion 71 on the side of the oil tank 30.

Then, the mounting portion 57 (refer to FIG. 12) of the rear portion of the inner cowl 50 is attached to the vehicle component 32 (please refer to FIG. 4), so that the fairing 40 can be mounted to the vehicle body. work.

As described above, the above embodiment is on the front fork 4 The left and right sides are the front portion of the oil tank 30 sandwiched by the driver's knee, and the front portion of the engine 20 located below the oil tank 30. The straddle 40 is disposed on the right and left sides of the vehicle body. The fairing structure of the vehicle 1 includes an inner cowl 50 disposed on the inner side in the vehicle width direction and an outer cowl 60 disposed on the outer side in the vehicle width direction of the inner cowl 50, and the inner side The fairing 50 has an upper and lower web portions 51w that overlap with the outer fairing 60 in the up-and-down direction when viewed from the side, and has a front and rear edges 61, 62 that extend outward in the front-rear direction from the outer fairing 60. Front and rear extensions 51f, 51r.

By making the fairing 40 in such a manner that the inner cowl 50 and the outer cowl 60 are combined, it is compared with the case where the fairing system is formed into a single piece structure, which can improve the rectification. The rigidity of the cover 40. For example, the less rigid portion of the outer fairing 60 can be effectively reinforced by the rigidity of the inner fairing 50. Further, when viewed from the side, the inner cowl 50 and the outer cowl 60 are overlapped in the vertical direction, and the inner cowl 50 is protruded further forward and backward than the front and rear edges 61, 62 of the outer cowl 60. When the inner cowl and the outer cowl are made the same size, the size of the cowl 40 can be suppressed and the weight can be reduced. Therefore, it is possible to ensure further strength and weight reduction of the fairing 40.

In addition, since the inner cowl 50 is supported by the outer cowl 60 from the outer side in the vehicle width direction, the inner cowl 50 can be prevented from opening outward in the vehicle width direction by the action of the traveling wind.

Moreover, in the above embodiment, it is attached to the fairing 40. Between the lower portions, concave portions 41, 50d which extend in the front-rear direction and are recessed toward the inner side in the vehicle width direction are formed.

According to this configuration, compared with the case where the entire fairing is protruded outward in the vehicle width direction, the amount of suspension of the cowl 40 (the length hanging outward in the vehicle width direction when viewed from the front) can be reduced. It is possible to suppress the increase in size of the fairing 40 and to reduce the weight.

Further, in the above-described embodiment, the attachment portions 53 and 56 used for mounting the vehicle body are provided on the upper and lower sides of the cowl 40, and are viewed from the side surfaces at positions overlapping the recess portions 41 and 50d. A position regulating portion 55 is disposed between the cowl 40 and the vehicle body, and the position regulating portion 55 is attached to the vehicle body from the outer side in the vehicle body width direction, and is capable of facing the vehicle body width of the fairing 40. The movement inside the direction is regulated.

According to this configuration, the attachment portions 53 and 56 can be used to hold the cowl up and down to the vehicle body, and the position regulating portion 55 can suppress the sway of the end portion of the cowl 40 before and after the center. Moreover, since the position regulating portion 55 is disposed at a position overlapping the concave portions 41 and 50d as viewed from the side, the amount of suspension of the position regulating portion 55 can be reduced (the length hanging from the outside in the vehicle width direction when viewed from the front side) ). Moreover, since the attachment portions 53 and 56 are disposed above and below the cowl 40, the degree of freedom of the vehicle body portion when the vehicle body is mounted can be improved.

Further, in the above-described embodiment, the outer cowl 60 is integrally formed with the inner cowl 50 by the fastening member 70 that is joined by the side of the inner cowl 50, and is rectified by the inner side. The mounting portions 53, 56 on the side of the cover 50 are attached to the vehicle body, and the outer fairing 60 is such that the fastening member 70 and the mounting portions 53, 56 are not exposed to the outside when viewed from the side. The fastening member 70 and the mounting portions 53, 56 are covered.

According to this configuration, the outer cowl 60 is integrally formed with the inner cowl 50 by the fastening member 70 that is joined by the side of the inner cowl 50, so that the inner cowl 50 and the inner cowl 50 can be improved. The bonding force of the outer fairing 60 in turn increases assembly. Further, in a state in which the outer cowl 60 and the inner cowl 50 are integrally assembled, the outer cowl 60 is attached to the vehicle body by the attachment portions 53 and 56 provided on the inner cowl 50 side. The mounting of the fairing 40 to the vehicle body can be improved. Further, the fastening member 70 and the attachment portions 53 and 56 are covered by the outer cowl 60 so as not to be exposed to the outside, so that the fastening member 70 and the mounting portion 53 can be prevented. The surface 56 is exposed on the outer surface of the outer fairing 60, thereby improving the appearance.

Further, in the above-described embodiment, between the outer cowl 60 and the front and rear projecting portions 51f, 51r of the inner cowl 50, a traveling wind is formed between the outer cowl 60 and the inner cowl 50. The passing wind passes through the port 44.

According to this configuration, the rectifying effect of the fairing 40 can be improved by the traveling wind passage opening 44, and the traveling wind can be suppressed from being caught on the rider, and the riding comfort can be improved. Further, by increasing the aforementioned rectifying effect, the cooling effect of the engine 20 or the like can be improved.

Moreover, in the above embodiment, the fairing 40 is formed. There is an inclined wall 42 which is extended from the outer side surface side of the front fork 4 in the vehicle body width direction toward the rear side of the front fork 4, and is inclined so as to be closer to the upper side toward the rear side, and the inclined wall 42 is inclined. The vehicle body width direction inner end 42a is located on the inner side in the vehicle body width direction from the vehicle body width direction outer end 4a of the front fork 4.

According to this configuration, the traveling air can be guided upward by the space inside the vehicle body width direction of the cowl 40, so that the downforce of the front wheel 2 can be increased and the riding comfort can be improved.

Further, in the above-described embodiment, the concave portions 41 and 50d which are formed to extend in the front-rear direction and are recessed toward the inner side in the vehicle width direction are formed between the upper and lower sides of the cowl 40, and are disposed in front of the engine 20 as viewed from the side. The upper edge 23a of the oil cooler 23 is disposed below the recesses 41, 50d, and the inclined wall 42 is disposed above the recesses 41, 50d.

According to this configuration, the downward pressure generated by the inclined wall 42 above the recesses 41, 50d can be utilized to have both an effect of improving riding comfort and an effect of improving the cooling performance of the engine 20 and the cooling device 23.

Further, the present invention is not limited to the vehicle of the above-described embodiment. For example, the aforementioned straddle type vehicle includes all vehicles in which a driver rides on a vehicle body to ride a bicycle, not only a two-wheeled locomotive (including an engine attached). Bicycles and Scooter type vehicles also include three wheels (in addition to the front and rear two-wheeled vehicles, including the two wheels in the front and the rear one) or four-wheeled vehicles.

Moreover, the knee clamping member is not limited to the oil tank 30, and may also be an item. Storage box or air filter case.

The cooling device is not limited to an oil cooler, but may also be a radiator tank.

The configuration of the above-described embodiment is merely an example of the present invention, and the constituent elements of the embodiment are replaced with the conventional constituent elements and the like, and various types can be used as long as they do not deviate from the gist of the present invention. Change.

1‧‧‧Two-wheeled locomotive (straddle type vehicle)

2‧‧‧front wheel

3‧‧‧Front mud board

3a‧‧‧Guidance

4‧‧‧ Front fork

5‧‧‧Steering system

6‧‧‧Rolling handlebars

7‧‧‧ instrumentation

8‧‧‧ headlights

10‧‧‧Car body skeleton

11‧‧‧ head tube

12‧‧‧Main skeleton

13‧‧‧Down skeleton

20‧‧‧ engine

21‧‧‧ crankcase

22‧‧‧ cylinder

23‧‧‧Oil cooler (cooling device)

23a‧‧‧Upper edge

30‧‧‧ fuel tank (knee-member)

31‧‧‧ straddle cushion

32‧‧‧Motorcycle Horn

40‧‧‧ fairing

41, 50d, 60d‧‧‧ recess

50‧‧‧Inside fairing

51f, 51r‧‧‧ front and rear extensions

51w‧‧‧Up and down

55‧‧‧Location Regulation Department

60‧‧‧Outer fairing

Claims (6)

A fairing structure of a straddle type vehicle is a front portion of a knee grip member (30) that is gripped by a driver's knee from the left and right sides of the front fork (4) and is located at the knee grip member (30) In the region of the front portion of the engine (20) below, the fairing structure of the straddle type vehicle (1) in which the fairing (40) is disposed on the right and left sides of the vehicle body is characterized in that the fairing (40) The inner fairing (50) disposed on the inner side in the vehicle width direction and the outer fairing (60) disposed on the outer side in the vehicle width direction from the inner fairing (50), the inner fairing (50) The upper and lower web portions (51w) overlapping the outer shroud (60) in the up-and-down direction when viewed from the side, and having a front and rear edge (61, 62) of the outer shroud (60) The front and rear projecting portions (51f, 51r) projecting in the front-rear direction are formed between the outer cowl (60) and the front and rear projecting portions (51f, 51r) of the inner cowl (50): The traveling air passage (44) through which the traveling wind between the outer fairing (60) and the inner fairing (50) passes can be passed. A fairing structure of a straddle type vehicle is a front portion of a knee grip member (30) that is gripped by a driver's knee from the left and right sides of the front fork (4) and is located at the knee grip member (30) In the region of the front portion of the engine (20) below, the fairing structure of the straddle type vehicle (1) in which the fairing (40) is disposed on the right and left sides of the vehicle body is characterized in that the fairing (40) The inner fairing (50) disposed on the inner side in the vehicle width direction and disposed on the inner inner fairing (50) The outer cowl (60) is located outside the vehicle body width direction, and the inner cowl (50) has an upper and lower web portion (51w) that overlaps the outer cowl (60) in the vertical direction when viewed from the side. And a front and rear projecting portion (51f, 51r) projecting in the front-rear direction from the front and rear edges (61, 62) of the outer fairing (60), and the fairing (40) is formed in the fairing (40) a side wall extending toward the rear side of the front fork (4) from the side of the outer side surface of the front fork (4) in the vehicle body width direction, and inclined wall (42) inclined so as to be located further toward the upper side The vehicle body width direction inner end (42a) of the inclined wall (42) is located on the inner side in the vehicle width direction from the vehicle body width direction outer end (4a) of the front fork (4). The fairing structure of the straddle-type vehicle according to claim 1 or 2, wherein a concave portion extending in the front-rear direction and recessed toward the inner side in the vehicle width direction is formed between the upper and lower sides of the fairing (40) 41, 50d). The fairing structure of the straddle type vehicle according to claim 3, wherein a mounting portion (53, 56) for mounting the vehicle body is provided on the upper and lower sides of the fairing (40), on the side A position regulating portion (55) is disposed between the fairing (40) at a position overlapping the concave portion (41, 50d) and the vehicle body at the time of observation, and the position regulating portion (55) is used by The vehicle body is abutted against the vehicle body from the outer side in the vehicle body width direction to regulate the movement of the fairing (40) toward the inner side in the vehicle width direction. a fairing structure of a straddle type vehicle according to claim 4, The outer cowl (60) is integrally formed with the inner cowl (50) by a fastening member (70) that is joined from the side of the inner cowl (50). The mounting portion (53, 56) on the side of the inner cowl (50) is attached to the vehicle body, and the outer cowl (60) does not allow the fastening member (70) when viewed from the side. And the mounting portion (53, 56) is exposed to the outside to cover the fastening member (70) and the mounting portion (53, 56). The fairing structure of the straddle-type vehicle according to claim 1 or 2, wherein between the upper and lower sides of the fairing (40), a recess extending in the front-rear direction and recessed toward the inner side in the vehicle width direction is formed (41, 50d), the upper edge (23a) of the cooling device (23) is disposed below the concave portion (41, 50d) when viewed from the side, and the cooling device (23) is disposed in the foregoing In front of the engine (20), the inclined wall (42) is disposed above the recesses (41, 50d).