JP6783880B2 - Saddle-type vehicle - Google Patents

Description

The present invention relates to a saddle-riding vehicle.

For example, Patent Document 1 discloses a motorcycle provided with a cover that hangs down from the rear part of the vehicle body frame so as to cover a part of the side surface of the rear wheel.

Japanese Unexamined Patent Publication No. 2011-218971

By the way, when the above cover is arranged on the side surface of the vehicle where the exhaust system parts such as the muffler are present, it is necessary to escape the exhaust system parts to the outside in the vehicle width direction. Alternatively, it is necessary to place the cover on the outside of the exhaust system parts. Therefore, the width of the vehicle may increase, and the weight and size of the cover itself may increase.

An aspect of the present invention is a saddle-riding type vehicle having an exhaust system component arranged on the side of the vehicle and a guard member, which can suppress an increase in vehicle width, an increase in weight of the guard member, and an increase in size. The purpose is to provide a vehicle.

One aspect of the present invention includes an exhaust system component (30) arranged on the side of the vehicle and a guard member (50) arranged on the side of the rear wheel (4), and the guard is provided in a side view. At least a part of the member (50) is arranged below the exhaust system part (30), and in a side view, at least a part of the guard member (50) is an axle (4a) of the rear wheel (4). is disposed above the street and the horizontal plane parallel to the virtual horizontal line (HL) and in side view, at least a portion of said guard member (50) is overlapped with the rear wheel (4), said guard member ( 50) is characterized in that it is attached to the exhaust system component (30) .
According to this configuration, since the guard member is arranged only in the necessary portion, the arrangement area of the guard member can be minimized. Therefore, it is possible to suppress an increase in vehicle width, an increase in weight of the guard member, and an increase in size. In addition, the rear wheel can be covered with the guard member while utilizing the exhaust system component as the attachment component of the guard member. In addition, the exhaust system component can be used as part of the guard member that covers the side surface of the rear wheel.

One aspect of the present invention is characterized in that the vehicle body frame (11) is further provided with a swing unit (10) that is supported so as to be vertically swingable.
According to this configuration, the guard member can cover the rear wheel with the guard member without being affected by the swing of the swing unit.

In one aspect of the present invention, the exhaust system component (30) includes a muffler (32), and the guard member (50) is inside and below the maximum width portion (32w) of the muffler (32). It is characterized by being arranged in.
According to this configuration, the increase of the guard member in the vehicle width direction can be suppressed, so that the increase of the vehicle width can be suppressed.

In one aspect of the present invention, the exhaust system component (30) includes a muffler (32), and the guard member (50) is attached to the lowermost surface (32e) of the muffler (32). It is characterized by.
According to this configuration, the area covered by the guard member can be minimized, so that the size of the guard member can be minimized and the weight can be reduced.

In one aspect of the present invention, the mounting position (P1) of the guard member (50) with respect to the exhaust system component (30) is a tangent line (K1) and a horizontal line (H1) at the mounting position (P1). It is characterized in that the angle (A1) formed with is set to a position of 45 degrees or less.
According to this configuration, it is possible to make it difficult to see the attachment portion of the guard member to the exhaust system parts from the side and above of the vehicle.

One aspect of the present invention further includes a rear fender (40) covering the rear wheel (4), and in a side view, the rear fender (40) extends to the virtual horizon (HL) and the rear wheel (4). It is characterized by having a portion located on the side surface of the.
According to this configuration, since a part of the side surface of the rear wheel is covered with the rear fender, the guard member can be made smaller while enhancing the mudguard function.

One aspect of the present invention is characterized in that the exhaust system component (30) includes a muffler (32), and the guard member (50) is welded to the muffler (32). ..
According to this configuration, the number of parts can be reduced as compared with the case where the guard member is connected to the muffler with a stay or the like.

According to the aspect of the present invention, in a saddle-riding vehicle including an exhaust system component arranged on the side of the vehicle and a guard member arranged on the side of the rear wheel, the vehicle width is increased and the weight of the guard member is increased. It is possible to suppress the increase and size increase.

It is a right side view of the motorcycle which concerns on embodiment. It is a left side view of the rear part of the motorcycle which concerns on embodiment. It is a right side view of the arrangement structure of the right side guard member which concerns on embodiment. It is a rear view of the arrangement structure of the right side guard member which concerns on embodiment. It is a right side view of the arrangement structure of the right side guard member which concerns on the modification of embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. Unless otherwise specified, the orientations such as front, rear, left, and right in the following description shall be the same as the orientations in the vehicle described below. At appropriate points in the figure used in the following description, an arrow FR indicating the front of the vehicle, an arrow LH indicating the left side of the vehicle, an arrow UP indicating the upper part of the vehicle, and a line CL indicating the center of the left and right sides of the vehicle body are shown.

<Whole vehicle>
FIG. 1 shows a unit swing type motorcycle 1 as an example of a saddle-riding vehicle. With reference to FIG. 1, the motorcycle 1 includes a front wheel 3 and a rear wheel 4. The front wheel 3 is steered by the steering wheel 2. The rear wheel 4 is driven by a power unit 10 (swing unit) including a power source. Hereinafter, a motorcycle may be simply referred to as a "vehicle". The motorcycle 1 has a step floor 9 on which an occupant seated on the seat 8 rests his / her feet. The motorcycle 1 of the embodiment is a scooter type vehicle.

The steering system parts including the steering wheel 2 and the front wheels 3 are operably supported by the head pipe 12 at the front end of the vehicle body frame 11. The outer circumference of the vehicle body frame 11 is covered with the vehicle body cover 5. In FIG. 1, reference numeral 6 indicates a front fork.

The body frame 11 is formed by integrally joining a plurality of types of steel materials by welding or the like. The vehicle body frame 11 includes a head pipe 12, a down frame 13, a pair of left and right lower frames 14, a pair of left and right seat frames 15, and a cross member 16.

The head pipe 12 is located at the front end of the vehicle body frame 11.
The down frame 13 extends diagonally rearward and downward from the head pipe 12.
The pair of left and right lower frames 14 extend substantially horizontally from the lower end of the down frame 13 toward the rear.
The pair of left and right seat frames 15 extend diagonally rearward and upward from the rear ends of the left and right lower frames 14, respectively.
The cross member 16 extends in the vehicle width direction so as to pass between the rear ends of the left and right lower frames 14.

<Power unit 10>
As shown in FIG. 2, the power unit 10 is a unit swing type power unit in which an engine 20 which is an internal combustion engine and an arm portion 21 supporting a rear wheel 4 are integrated.

The arm portion 21 includes a transmission case 22 formed in the shape of a hollow case. Inside the transmission case 22, a transmission (not shown) that transmits the output of the engine 20 to the rear wheels 4 is housed. Reference numeral 26 in the figure indicates a center stand.

The front lower portion of the power unit 10 is vertically and vertically swingably supported by the rear lower portion of the vehicle body frame 11 via a link member 19. A pair of left and right rear cushions 7 for damping the swing of the power unit 10 are hung between the rear end of the power unit 10 and the seat frame 15.

As shown in FIG. 3, an axle 4a of the rear wheel 4 (hereinafter, also referred to as "rear wheel axle 4a") is provided at the rear end of the power unit 10. The power of the engine 20 (see FIG. 2) is transmitted to the rear wheel axle 4a via a power transmission mechanism (not shown), so that the rear wheel 4 supported by the rear wheel axle 4a is driven to drive the vehicle. Reference numeral CR in the figure indicates a central axis (rear wheel axis) of the rear wheel axle 4a, which is an axis parallel to the vehicle width direction. Reference numeral HL in the figure indicates a virtual horizontal line passing through the rear wheel axle 4a and parallel to the horizontal plane.

As shown in FIG. 2, the air cleaner 29 is supported on the upper portion of the arm portion 21 in the power unit 10. The air cleaner 29 swings integrally with the power unit 10.

An exhaust pipe 31 is connected to the cylinder head of the engine 20 (see FIG. 3). As shown in FIG. 3, the exhaust pipe 31 is curved downward and extends rearward after being pulled downward from the cylinder head. The rear end of the exhaust pipe 31 is connected to the muffler 32 arranged on the right side of the rear wheel 4. The muffler 32 is fixed to the right rear portion of the crankcase via the stay 33. In FIG. 3, reference numeral 8p indicates a passenger sheet portion, and reference numeral 28 indicates a pillion step.

<Muffler 32>
When viewed from the side, the muffler 32 has a cylindrical shape extending so as to be located upward toward the rear side. When viewed from the side, the lower end edge (lowermost surface 32e) of the muffler 32 has a linear shape that is inclined so as to be located upward toward the rear side.

A cover member 34 that covers the muffler 32 from above is attached to the upper portion of the muffler 32. When viewed from the side, the cover member 34 extends back and forth along the inclination of the muffler 32 so that the vertical width becomes smaller toward the rear side. The muffler 32 and the cover member 34 are included in the exhaust system component 30. In FIG. 3, reference numeral 35 indicates a bolt for attaching the cover member 34 to the muffler 32.

<Rear fender 40>
A rear fender 40 that covers the rear wheels 4 from above is provided at the rear of the vehicle. When viewed from the side, the rear fender 40 has an arcuate outer shape along the outer circumference of the upper portion of the rear wheel 4. From the side, the rear fender 40 extends to the virtual horizon HL. In side view, the rear lower end of the rear fender 40 is located below the virtual horizon HL. In side view, the rear fender 40 may extend to the virtual horizon HL and have a portion arranged on the side surface of the rear wheel 4. Hereinafter, in a vehicle, an "L" may be attached to a component on the left side in the vehicle width direction, and an "R" may be attached to a component on the right side in the vehicle width direction.

In a side view, the inner peripheral edge of the right side portion 41R of the rear fender 40 is farther from the rear axle 4a than the inner peripheral edge of the left side portion 41L (see FIG. 2) of the rear fender 40. In FIG. 3, reference numeral L1 indicates a length at which the right side portion 41R of the rear fender 40 extends toward the rear axle 4a (hereinafter, also referred to as “rear fender right side portion length”). In FIG. 2, reference numeral L2 indicates the length of the left side portion 41L of the rear fender 40 extending toward the rear axle 4a (hereinafter, also referred to as “rear fender left side portion length”). Since the length L1 on the right side of the rear fender is shorter than the length L2 on the left side of the rear fender (L1 <L2), it is easy to avoid interference between the right side portion 41R of the rear fender 40 and peripheral parts (for example, muffler 32) (see FIG. 3).

As shown in FIG. 3, a tail fender 43 that covers the rear fender 40 from the rear upper side is provided at the rear portion of the vehicle. From the side view, the tail fender 43 extends from the rear lower part of the tail cowl 44 toward the rear of the rear fender 40 so as to be inclined rearward and downward.

<Left guard member 45>
As shown in FIG. 2, a left side guard member 45 that covers the rear wheel 4 from the left side is provided on the left side of the rear wheel 4. The left guard member 45 extends downward from the rear portion (seat frame 15) of the vehicle body frame 11. From the side view, a part of the left guard member 45 overlaps the upper part of the rear wheel 4 and the rear part of the air cleaner 29. The left guard member 45 is formed by integrally joining a plurality of wire rods by welding or the like.

A footrest member 46 for a passenger (passenger) to rest his / her feet is attached to the lower part of the left guard member 45. When viewed from the side, the footrest member 46 has a plate shape that is linearly inclined so as to be located downward toward the front side. From the side view, the rear fender 40 extends rearward from the rear end of the footrest member 46. From the side view, the rear fender 40 extends below the lower end of the footrest member 46.

<Rear fender stay 47>
A rear fender stay 47 that supports the rear fender 40 is provided on the left side of the rear wheel 4. When viewed from the side, the rear fender stay 47 extends forward and backward so that the vertical width becomes smaller toward the rear side. From a side view, the rear fender stay 47 is arranged so as to straddle the rear wheel axle 4a up and down. The front end portion of the rear fender stay 47 is connected to the rear end portion of the arm portion 21 by a pair of upper and lower bolts 48. The rear end portion of the rear fender stay 47 is connected to the rear lower portion of the left side portion 41L of the rear fender 40 by a bolt 49. The rear fender stay 47 is provided with a pair of front and rear openings 47h.

<Right guard member 50>
As shown in FIG. 3, a right guard member 50 (guard member) that covers the rear wheel 4 from the right side is provided on the right side of the rear wheel 4. In side view, a part of the right guard member 50 is arranged below the muffler 32. In a side view, a part of the right guard member 50 is arranged above the virtual horizon HL. From the side view, a part of the right guard member 50 overlaps with the rear wheel 4. When viewed from the side, the right guard member 50 is arranged between the rear wheel axle 4a and the rear lower part of the rear fender 40. The right guard member 50 is attached to the exhaust system component 30. The right guard member 50 is attached to the lowermost surface 32e of the muffler 32. The right guard member 50 is welded to the muffler 32.

The right guard member 50 has a function different from that of the muffler protector. For example, the right guard member 50 functions as a guard member such as a sari guard, a skirt guard, a dress guard, and a close guard. The right guard member 50 is provided at a position where it can face the rear wheel 4 in a side view.

The right guard member 50 is formed by integrally joining a plurality of wire rods by welding or the like. When viewed from the side, the right guard member 50 includes a frame member 51 having a frame shape having a larger vertical width toward the rear side, and a straight member 52 having a linear inclination so as to be located upward toward the rear side.

The frame member 51 includes an upper side portion 51a, a lower side portion 51b, a front side portion 51c, and a rear side portion 51d.
In a side view, the upper side portion 51a extends linearly and inclined so as to be positioned upward toward the rear side along the lower end edge of the muffler 32. The upper side portion 51a is welded to the lowermost surface 32e of the muffler 32.
In a side view, the lower side portion 51b extends linearly back and forth in parallel with the virtual horizon HL below the upper side portion 51a.
In a side view, the front side portion 51c has a curved shape that is convex forward, and connects the front end of the upper side portion 51a and the front end of the lower side portion 51b.
In a side view, the rear side portion 51d is inclined so as to be located downward toward the rear side, and connects the rear end of the upper side portion 51a and the rear end of the lower side portion 51b.

The front end of the straight member 52 is welded from the inside to the upper and lower central portions of the front side portion 51c. The rear end of the straight member 52 is welded from the inside to the upper and lower central portions of the rear side portion 51d.

In FIG. 4, reference numeral 32w indicates a portion where the muffler 32 has the maximum width in the vehicle width direction (hereinafter, also referred to as “maximum width portion 32w of the muffler 32”). As shown in FIG. 4, the right guard member 50 is arranged inside and below the maximum width portion 32w of the muffler 32. When viewed from the rear, the right guard member 50 is arranged at the center position of the maximum width portion 32w of the muffler 32.

When viewed from the rear, the mounting position P1 of the right guard member 50 with respect to the exhaust system component 30 is set at a position where the angle A1 formed by the tangent K1 at the mounting position P1 and the horizontal line H1 is 45 degrees or less. In the embodiment, the mounting position P1 of the right guard member 50 with respect to the exhaust system component 30 is set to a position where the angle A1 is 0 degrees. In FIG. 4, reference numeral K2 indicates a second tangent line at the mounting position P2 where the angle A1 is larger than 0 degrees and smaller than 45 degrees.

As described above, the above-described embodiment includes an exhaust system component 30 arranged on the right side of the vehicle and a right guard member 50 arranged on the right side of the rear wheel 4, and the right guard member is provided in a side view. A part of the 50 is arranged below the exhaust system component 30, and in a side view, a part of the right guard member 50 is arranged above the virtual horizon HL passing through the rear axle 4a and parallel to the horizontal plane. From the side view, a part of the right guard member 50 overlaps with the rear wheel 4.
According to the present embodiment, since the right side guard member 50 is arranged only in a necessary portion, the arrangement area of the right side guard member 50 can be minimized. Therefore, it is possible to suppress an increase in the vehicle width, an increase in the weight of the right side guard member 50, and an increase in size.

The right guard member 50 has the following effects when it is attached to the exhaust system component 30. The rear wheel 4 can be covered with the right guard member 50 while utilizing the exhaust system component 30 as a mounting component for the right guard member 50. In addition, the exhaust system component 30 can be used as a part of a guard member that covers the side surfaces of the rear wheels 4.

By providing the vehicle body frame 11 with a power unit 10 that is vertically swingable and supported, the following effects are obtained. The right guard member 50 can cover the rear wheel 4 without being affected by the swing of the power unit 10.

The right guard member 50 is arranged inside and below the maximum width portion 32w of the muffler 32, and thus has the following effects. Since the increase of the right guard member 50 in the vehicle width direction can be suppressed, the increase of the vehicle width can be suppressed.

The right guard member 50 has the following effects when it is attached to the lowermost surface 32e of the muffler 32. Since the area covered by the right guard member 50 can be minimized, the size of the right guard member 50 can be minimized and the weight can be reduced.

When viewed from the side, the mounting position P1 of the right guard member 50 with respect to the exhaust system component 30 is set to a position where the angle A1 formed by the tangent line K1 and the horizontal line at the mounting position P1 is 45 degrees or less. It works. The attachment portion of the right guard member 50 to the exhaust system component 30 can be made difficult to see from the side and above of the vehicle.

When viewed from the rear, the rear fender 40 extends to the virtual horizon HL and has a portion located on the side surface of the rear wheel 4, thereby achieving the following effects. Since the rear fender 40 covers a part of the side surface of the rear wheel 4, the right guard member 50 can be made smaller while enhancing the mudguard function.

The right guard member 50 is welded to the muffler 32 to have the following effects. Compared with the case where the right guard member 50 is connected to the muffler 32 with a stay or the like, the number of parts can be reduced.

In the above embodiment, the example in which the exhaust system component 30 is arranged only on the right side of the vehicle has been described, but the present invention is not limited to this. For example, the exhaust system component 30 may be arranged on the left side of the vehicle (both left and right sides). That is, the exhaust system component 30 may be arranged on the side of the vehicle.

In the above embodiment, a part of the right guard member 50 overlaps with the rear wheel 4 below the exhaust system component 30 and above the virtual horizon HL in the side view, but the present invention is limited to this. Absent. For example, when viewed from the side, the entire right guard member 50 may overlap the rear wheel 4 below the exhaust system component 30 and above the virtual horizon HL. That is, when viewed from the side, at least a part of the right guard member 50 may overlap the rear wheel 4 below the exhaust system component 30 and above the virtual horizon HL.

In the above embodiment, the right guard member 50 is attached to the lowermost surface 32e of the muffler 32, but the description is not limited to this. For example, the right guard member 50 may be attached at a position deviated from the lowermost surface 32e of the muffler 32.

In the above embodiment, the mounting position P1 of the right side guard member 50 with respect to the exhaust system component 30 has been described with reference to an example in which the angle A1 is set to 0 degrees, but the present invention is not limited to this. For example, the mounting position P2 of the right guard member 50 with respect to the exhaust system component 30 may be set at a position where the angle A1 is larger than 0 degrees and smaller than 45 degrees (see FIG. 4). For example, the mounting position P3 of the right guard member 50 with respect to the exhaust system component 30 may be set to a position inside the vehicle width direction from the lowermost position of the muffler 32 (see FIG. 4).

In the above embodiment, an example in which the right guard member 50 is welded to the muffler 32 has been described, but the present invention is not limited to this. For example, the right guard member 50 may be bolted to the bracket welded to the muffler 32. For example, as a measure against vibration of the muffler 32, the right guard member 50 may be connected to the muffler 32 via a cushioning material such as a rubber mount.

In the above embodiment, an example in which the muffler 32 has a cylindrical shape has been described, but the present invention is not limited to this. For example, the muffler 32 may have a shape other than a cylinder, such as an elliptical cylinder, a rectangular cylinder, or a triangular cylinder.

In the above embodiment, the example in which the right guard member 50 is attached to the muffler 32 has been described, but the present invention is not limited to this. For example, the right guard member 50 may be attached to an exhaust system component 30 other than the muffler 32, such as a cover member 34. For example, the right guard member 50 may be attached to vehicle parts other than the exhaust system parts 30, such as the rear fender 40 and the tail fender 43. For example, as shown in FIG. 5, the right guard member 50 may be attached to the stay 55 provided on the muffler 32. For example, the right guard member 50 may be detachably attached to the stay 55.

The present invention is not limited to the above embodiment, and the saddle-riding vehicle includes all vehicles in which the driver straddles the vehicle body, and is limited to motorcycles (including motorized bicycles and scooter-type vehicles). It also includes three-wheeled (one front and two rear wheels, as well as two front and one rear wheels) or four-wheeled vehicles.

The configuration in the above embodiment is an example of the present invention, and various modifications can be made without departing from the gist of the present invention, such as replacing the components of the embodiment with well-known components.

1 Motorcycle (saddle-riding vehicle)
4 Rear wheel 4a Rear wheel axle 10 Power unit (swing unit)
11 Body frame 30 Exhaust system parts 32 Muffler 32e Bottom surface of muffler 32w Maximum width of muffler 40 Rear fender 50 Right side guard member (guard member)
A1 angle H1 horizon HL virtual horizon K1 tangent P1 mounting position

Claims (7)

It is provided with an exhaust system component (30) arranged on the side of the vehicle and a guard member (50) arranged on the side of the rear wheel (4).
From the side view, at least a part of the guard member (50) is arranged below the exhaust system component (30).
From the side view, at least a part of the guard member (50) is arranged above the virtual horizon (HL) that passes through the axle (4a) of the rear wheel (4) and is parallel to the horizontal plane.
From the side view, at least a part of the guard member (50) overlaps with the rear wheel (4) .
The guard member (50) is a saddle-riding vehicle characterized in that it is attached to the exhaust system component (30) . The saddle-riding vehicle according to claim 1 , further comprising a swing unit (10) that is vertically swingably supported by the body frame (11). The exhaust system component (30) includes a muffler (32).
The saddle-riding vehicle according to claim 1 or 2 , wherein the guard member (50) is arranged inside and below the maximum width portion (32w) of the muffler (32). The exhaust system component (30) includes a muffler (32).
The saddle-riding vehicle according to any one of claims 1 to 3 , wherein the guard member (50) is attached to the lowermost surface (32e) of the muffler (32). When viewed from the rear, the mounting position (P1) of the guard member (50) with respect to the exhaust system component (30) is the angle (A1) formed by the tangent line (K1) at the mounting position (P1) and the horizontal line (H1). The saddle-riding vehicle according to any one of claims 1 to 4 , wherein the temperature is set to 45 degrees or less. A rear fender (40) covering the rear wheel (4) is further provided.
Aside from any of claims 1 to 5 , the rear fender (40) extends to the virtual horizon (HL) and has a portion located on the side surface of the rear wheel (4). The saddle-riding vehicle described in item 1. The exhaust system component (30) includes a muffler (32).
The saddle-riding vehicle according to any one of claims 1 to 6 , wherein the guard member (50) is joined to the muffler (32) by welding.

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