WO2014098227A1 - 車両 - Google Patents
車両 Download PDFInfo
- Publication number
- WO2014098227A1 WO2014098227A1 PCT/JP2013/084284 JP2013084284W WO2014098227A1 WO 2014098227 A1 WO2014098227 A1 WO 2014098227A1 JP 2013084284 W JP2013084284 W JP 2013084284W WO 2014098227 A1 WO2014098227 A1 WO 2014098227A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- body frame
- fluid unit
- cross member
- link mechanism
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/10—Cycles with handlebars, equipped with three or more main road wheels with means for inwardly inclining the vehicle body on bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D9/00—Steering deflectable wheels not otherwise provided for
- B62D9/02—Steering deflectable wheels not otherwise provided for combined with means for inwardly inclining vehicle body on bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/38—Frame parts shaped to receive other cycle parts or accessories for attaching brake members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/02—Tricycles
- B62K5/05—Tricycles characterised by a single rear wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/08—Cycles with handlebars, equipped with three or more main road wheels with steering devices acting on two or more wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/12—Cycles; Motorcycles
- B60G2300/122—Trikes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/45—Rolling frame vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K2005/001—Suspension details for cycles with three or more main road wheels
Definitions
- This invention relates to a vehicle provided with a fluid unit used for ABS.
- Patent Document 1 A vehicle having an inclined body frame and two front wheels is known from Patent Document 1 and the like.
- This vehicle includes a link mechanism at the front of the vehicle. By inclining the vehicle body, the traveling direction of the vehicle can be changed.
- a brake lever and a master cylinder are arranged on the left and right sides of the steering wheel.
- a pipe connected at one end to these master cylinders passes from the upper part of the side rod of the link mechanism through the side rod, and the other end is connected to the caliper devices of the left and right front wheels.
- a vehicle including an inclined body frame and two front wheels as described in Non-Patent Document 1 has a large front portion of the vehicle. It has two front wheels, a right front wheel and a left front wheel that can be steered, and a link mechanism that supports the right front wheel and the left front wheel so that they can be displaced in the vertical direction of the body frame with respect to the body frame. caused by.
- the members constituting the link mechanism move greatly, and the right front wheel and the left front wheel are largely displaced with respect to the body frame.
- the vehicle exterior parts provided in the front part of the vehicle are enlarged in order to avoid interference with the link mechanism that is largely movable and the right front wheel and the left front wheel that are largely displaced.
- the front portion of the vehicle is large.
- the fluid unit Since the fluid unit is heavy, it is necessary to ensure the support rigidity of the fluid unit when mounting the fluid unit on the vehicle.
- the support structure of the fluid unit tends to be large or complicated in order to ensure support rigidity.
- an object of the present invention is to provide a vehicle including an inclined body frame and two front wheels that can suppress an increase in size of the vehicle even when a fluid unit is mounted.
- the aspect (1) that the present invention can take is as follows.
- a hydraulic braking device provided on any one of the right front wheel, the left front wheel, and the rear wheel;
- a left shock absorber that supports the left front wheel in a lower portion and cushions the displacement of the left front wheel in the vertical direction of the body frame relative to the upper portion;
- a right side member that rotatably supports the upper portion of the right shock absorber around a right steering axis extending in the vertical direction of the body frame, and an upper portion of the left shock absorber that rotates about a left steering axis parallel to the right steering axis.
- a left side member that supports the left side member, and a right side member that is supported at the right end so as to be rotatable about a right axis that extends in the front-rear direction of the body frame, and the left side member that is parallel to the right axis at the left end.
- a link mechanism including a plurality of cross members that are rotatably supported about an axis, and an intermediate portion is rotatably supported by the link support portion of the vehicle body frame about the right axis and the intermediate axis parallel to the left axis.
- a vehicle exterior component that is disposed at least in front of or behind the link mechanism in the front-rear direction of the vehicle body frame, and constitutes at least a part of the outer surface of the vehicle;
- a vehicle equipped with The fluid unit is When viewed from the intermediate axis direction, the cross member is smaller than a movable region with respect to the body frame, As viewed from the intermediate axis direction, the movable area and at least a part of the vehicle exterior part overlap with each other, and between the movable area and the vehicle exterior part with respect to the intermediate axis direction.
- the fluid unit is smaller than the movable region of the cross member with respect to the vehicle body frame when viewed from the intermediate axial direction.
- the fluid unit is disposed at a position overlapping with at least a part of the movable region and at least a part of the vehicle exterior component when viewed from the intermediate axis direction, and between the movable region and the vehicle exterior component with respect to the intermediate axis direction. It is supported by the link support part of the vehicle body frame that supports the mechanism.
- the fluid unit includes a plurality of components such as an electromagnetic valve for controlling the fluid and a circuit board for controlling the electromagnetic valve. Therefore, the fluid unit has a certain amount of volume and weight, and the degree of freedom of the outer shape is limited by functional restrictions.
- the fluid unit is generally configured as a rectangular parallelepiped with less irregularities in the outer shape or a shape combining a rectangular parallelepiped and a cylinder.
- the outer shape of the fluid unit has fine irregularities, but there are few large irregularities. Therefore, it is necessary to secure a large space when arranging the fluid unit.
- a vehicle with a tiltable body frame and two front wheels is smaller than a four-wheel vehicle, so when trying to place a fluid unit on a vehicle with a tiltable body frame and two front wheels, Compared with the case where a fluid unit is arranged in a four-wheel vehicle, the degree of enlargement of the vehicle due to the arrangement of the fluid unit is large.
- a vehicle including an inclined body frame and two front wheels has a large front portion. It has two front wheels, a right front wheel and a left front wheel that can be steered, and a link mechanism that supports the right front wheel and the left front wheel so that they can be displaced in the vertical direction of the body frame with respect to the body frame. caused by.
- the members constituting the link mechanism move greatly, and the right front wheel and the left front wheel are largely displaced with respect to the body frame. Therefore, the vehicle exterior parts provided in the front part of the vehicle are enlarged in order to avoid interference with the link mechanism that is largely movable and the right front wheel and the left front wheel that are largely displaced. As a result, in the vehicle having the body frame that is inclined and the two front wheels, the front portion of the vehicle is large. For this reason, it was considered difficult to arrange the fluid unit at the front of the vehicle. Moreover, the link mechanism for inclining the body frame is rotatably supported by the body frame and moves relative to the body frame and the parts fixed to the body frame.
- the fluid unit When the fluid unit is arranged around the link mechanism, it is necessary to secure a large space around the link mechanism as a space for arranging the fluid unit in order to avoid interference between the fluid unit and the link mechanism. Easy to convert. Therefore, in general, the fluid unit having a large volume and weight and having an outer shape with little unevenness is arranged closer to the fixed member than to be provided near the movable member like a link mechanism. It is thought that the enlargement of the vehicle by arrangement
- the movable region of the cross member has a plane perpendicular to the intermediate axis, while the inner surface of the vehicle exterior part often has a complex surface with irregularities.
- the present inventors have found that a gap is generated between the movable region of the cross member having a flat surface and the inner surface of the vehicle exterior part having unevenness. Further, it has been found that the gap between the plane of the movable region of the cross member and the uneven inner surface of the vehicle exterior part tends to be large because the shapes of the two are different. Furthermore, the gap has also been found to be difficult to use efficiently because the movable region of the cross member has a wide plane. Therefore, the fluid unit was examined in the gap between the plane of the link mechanism and the uneven inner surface of the vehicle exterior part. According to the configuration of (1), the fluid unit is formed smaller than the movable region of the cross member with respect to the vehicle body frame when viewed from the intermediate axis direction.
- the fluid unit is disposed at a position overlapping at least a part of the movable region and at least a part of the vehicle exterior part as viewed from the intermediate axis direction.
- the fluid unit is disposed between the movable region of the cross member and the vehicle exterior part with respect to the intermediate axial direction.
- the fluid unit is supported by the link support portion of the vehicle body frame that supports the link mechanism.
- the movable region of the cross member has a plane orthogonal to the intermediate axis.
- the inner surface of the vehicle exterior part often has a complex inner surface having irregularities. For this reason, the gap between the link mechanism having a flat surface in the movable region and the vehicle exterior part having an uneven inner surface tends to be large.
- a fluid unit generally formed in an outer shape with little unevenness is formed smaller than the movable region of the cross member relative to the vehicle body frame when viewed from the intermediate axial direction, and at least the movable region is viewed from the intermediate axial direction. Even if a fluid unit is mounted, the size of the vehicle can be increased by placing it at a position that overlaps at least a part of the vehicle exterior parts and between the movable region of the cross member and the vehicle exterior parts in the intermediate axial direction. Can be suppressed.
- the fluid unit is disposed in the gap between the movable region of the cross member and the vehicle exterior part, and is supported by the link support portion of the vehicle body frame that supports the link mechanism.
- the link support portion of the body frame receives loads input from the right front wheel and the left front wheel. For this reason, the link support portion of the body frame has high rigidity.
- the link support portion of the body frame has high rigidity.
- the aspect (2) that the present invention can take is as follows.
- the fluid unit may be disposed at a position closer to the intermediate axis than the left end and the right end of the cross member when viewed from the intermediate axis direction.
- the cross member rotates around the intermediate axis. Since the fluid unit is disposed at a position close to the intermediate axis, it is difficult for the cross member to interfere with the support structure of the fluid unit when the cross member rotates. Thereby, it is easy to make the support structure of the fluid unit compact. Therefore, even if the fluid unit is mounted on a vehicle having a leanable vehicle body frame and two front wheels, the increase in size of the vehicle can be further suppressed.
- the aspect (3) that the present invention can take is the above vehicle,
- the vehicle exterior part includes an outer surface in which a middle part in the left-right direction of the body frame is positioned forward or rearward in the front-rear direction of the body frame from the right part or the left part,
- the fluid unit may be disposed between the movable region and the outer surface of the vehicle exterior part with respect to the intermediate axial direction.
- the outer appearance quality of the vehicle can be improved by forming the outer surface of the vehicle exterior component into a convex shape, a concave shape, or an inclined surface shape in the front-rear direction of the body frame.
- the vehicle body frame that can be inclined by disposing the fluid unit between the outer surface of the vehicle exterior part formed in a convex shape, a concave shape, or an inclined surface shape in the front-rear direction of the vehicle body frame and the movable region of the cross member having a flat surface. Even if the fluid unit is mounted on a vehicle having two front wheels, it is possible to suppress the increase in size of the vehicle while improving the appearance quality.
- the aspect (4) that the present invention can take is the vehicle described above.
- the vehicle exterior part includes an outer surface in which an intermediate portion in the vertical direction of the body frame is positioned forward or backward in the front-rear direction of the body frame from an upper part or a lower part,
- the fluid unit may be disposed between the movable region and the outer surface of the vehicle exterior part with respect to the intermediate axial direction.
- the outer appearance quality of the vehicle can be improved by forming the outer surface of the vehicle outer appearance component into a convex shape, a concave shape or an inclined surface shape in the front-rear direction of the body frame.
- the vehicle body frame that can be inclined by disposing the fluid unit between the outer surface of the vehicle exterior part formed in a convex shape, a concave shape, or an inclined surface shape in the front-rear direction of the vehicle body frame and the movable region of the cross member having a flat surface. Even if the fluid unit is mounted on a vehicle having two front wheels, it is possible to suppress the increase in size of the vehicle while improving the appearance quality.
- the aspect (5) that the present invention can take is the above vehicle,
- the fluid unit may be formed so as to intersect the intermediate axis and have an end surface closer to the movable area than the vehicle exterior part intersecting the intermediate axis and wider than an end surface closer to the vehicle exterior part than the movable area. Good.
- the fluid unit can be mounted while suppressing the enlargement of the vehicle. it can.
- the aspect (6) that the present invention can take is as follows.
- the link mechanism has a tie rod that rotates with a steering shaft and transmits the rotation of the steering shaft to the left front wheel and the right front wheel,
- the fluid unit may be provided above the tie rod as viewed from the intermediate axis direction. According to the configuration of (6), the fluid unit is less likely to interfere with the tie rod or the like when the vehicle is steered or tilted.
- a support length between the vertical frame and the link mechanism may be shorter than a support length between the fluid unit and the link support portion.
- the support rigidity with respect to the link support part of a link mechanism heavier than a fluid unit can be improved, without a fluid unit interfering with a link mechanism.
- the aspect (8) that the present invention can take is as follows.
- the link support portion, the link mechanism, and the fluid unit may be arranged in this order.
- the volume of the link mechanism is larger than that of the link support portion or the fluid unit. Therefore, according to the configuration of (8), when the link support portion, the link mechanism, and the fluid unit are arranged in this order, these members occupy when viewed from the direction that is perpendicular to the rotation axis direction and faces the up-down direction.
- the space is rectangular. Therefore, the left and right spaces of the portion protruding in the front-rear direction of this space can be used for other purposes. Therefore, even if the fluid unit is mounted on a vehicle having a leanable vehicle body frame and two front wheels, the increase in size of the vehicle can be further suppressed.
- the aspect (9) that the present invention can take is the vehicle described above.
- the fluid unit may be smaller than the link mechanism as viewed from above and below the body frame.
- the space which a link mechanism and a fluid unit occupy can be made small, and the space on either side of the site
- the link support portion may be disposed between the link mechanism and the fluid unit with respect to the intermediate axial direction. According to the structure of (10), the support rigidity with respect to the link support part of both a link mechanism and a fluid unit can be improved, without a fluid unit and a link mechanism interfering with each other.
- the link mechanism may be larger than the link support portion and the fluid unit when viewed from the vertical direction of the body frame.
- the link support portion, the link mechanism, and the fluid are viewed from the direction perpendicular to the intermediate axis direction and facing up and down.
- the space that the unit occupies can be made triangular, and the space in the front of the vehicle can be used effectively. Therefore, even if the fluid unit is mounted on a vehicle having a leanable vehicle body frame and two front wheels, the increase in size of the vehicle can be further suppressed.
- the link mechanism may be larger than the fluid unit when viewed in the vertical direction of the body frame, and the fluid unit may be disposed on either the left or right side of the link support portion.
- the space which a fluid unit, a link support part, and a link mechanism occupy can be made as small as possible about an intermediate axis direction. Therefore, even if the fluid unit is mounted on a vehicle having a leanable vehicle body frame and two front wheels, the increase in size of the vehicle can be further suppressed.
- the aspect (13) that the present invention can take is the above vehicle, With respect to the intermediate axial direction, the fluid unit may be disposed inside a region occupied by the link mechanism and the link support portion. According to the configuration of (13), the space occupied by the fluid unit, the link support portion, and the link mechanism can be further reduced in the intermediate axis direction. Therefore, even if the fluid unit is mounted on a vehicle having a leanable vehicle body frame and two front wheels, the increase in size of the vehicle can be further suppressed.
- the aspect (14) that the present invention can take is the vehicle described above.
- the fluid unit may be arranged so that at least a part thereof overlaps a center line between the center line of the left front wheel and the center line of the right front wheel when viewed from the intermediate axis direction. According to the configuration of (14), the fluid unit is less likely to interfere with the link mechanism, the front wheels, and the like when the vehicle is steered or tilted. Therefore, even if the fluid unit is mounted on a vehicle having a leanable vehicle body frame and two front wheels, the increase in size of the vehicle can be further suppressed.
- FIG. 2 is an overall front view of the vehicle of FIG. 1 shown with a vehicle body cover removed. It is sectional drawing seen from the right side of the vehicle front part of the vehicle shown in FIG. It is a perspective view of a supporting member. It is a front view which shows a mounting bracket, a fluid unit, and a headlamp. It is the figure which looked at the vehicle front part from the direction which makes a perpendicular to a rotating shaft core and faces up and down. It is a whole front view which shows the state which inclined the vehicle. It is a figure similar to FIG. 3 based on 2nd embodiment of this invention. It is IX arrow line view of FIG. It is a figure similar to FIG. 3 of the vehicle which concerns on 3rd embodiment of this invention. It is a XI arrow line view of FIG.
- the arrow F in the figure indicates the forward direction of the vehicle 1.
- An arrow R in the figure indicates the right direction of the vehicle 1.
- Arrow U indicates the upward direction.
- the middle in the vehicle width direction means the center position of the vehicle in the vehicle width direction when viewed from the front.
- the side in the vehicle width direction means a direction from the middle in the vehicle width direction to the left or right.
- FIG. 1 is a schematic side view of the entire vehicle 1.
- the front, rear, left, and right directions indicate the front, rear, left, and right directions as viewed from the occupant driving the vehicle 1.
- the vehicle 1 includes a vehicle body 2, a front wheel 3 and a rear wheel 4.
- the vehicle body 2 is mainly composed of a vehicle body frame 21, a vehicle body cover 22, a handle 23, a seat 24, and a power unit 25.
- the vehicle body frame 21 supports the power unit 25, the seat 24, and the like.
- the power unit 25 includes a power source such as an engine or an electric motor, a mission device, and the like.
- the body frame 21 is indicated by a broken line.
- the vehicle body frame 21 includes a head pipe 211 extending in the vertical direction, a front frame 212 extending rearward from the head pipe 211, and a rear frame 213.
- the head pipe 211 is disposed at the front portion of the vehicle.
- a link mechanism 5 is disposed around the head pipe 211.
- the head pipe 211 corresponds to the vertical frame of the present invention
- the front frame 212 and the rear frame 213 correspond to the rear frame of the present invention.
- the head pipe 211 is supported by the front frame 212.
- a steering shaft 60 is rotatably inserted into the head pipe 211.
- the steering shaft 60 extends in the vertical direction. From the head pipe 211, the 1st penetration part 211a and the 2nd penetration part 211b protrude ahead so that the link mechanism 5 may be penetrated.
- the handle 23 is attached to the upper end of the steering shaft 60.
- the front frame 212 is inclined downward from the front end toward the rear.
- the rear frame 213 supports the seat 24 and the tail lamp.
- the vehicle body frame 21 is covered with a vehicle body cover 22 which is one of vehicle exterior parts.
- the vehicle body cover 22 includes a front cover 221, a front fender 223, a rear fender 224, and a leg shield 225.
- the front cover 221 is located in front of the seat 24.
- the front cover 221 covers at least a part of the head pipe 211 and the link mechanism 5.
- the front fenders 223 are respectively disposed above the pair of left and right front wheels 3.
- the front fender 223 is disposed below the front cover 221.
- the rear fender 224 is disposed above the rear wheel 4.
- the leg shield 225 is provided behind the head pipe 211.
- the leg shield 225 extends in the vertical direction.
- the leg shield 225 is disposed in front of the leg of the user who gets on the vehicle 1.
- the front wheel 3 is located below the head pipe 211 and the link mechanism 5.
- the front wheel 3 is disposed below the front cover 221.
- FIG. 2 is an overall front view showing the vehicle 1 with the vehicle body cover 22 removed.
- the vehicle 1 includes a handle 23, a steering shaft 60, a head pipe 211, a pair of left and right front wheels 3, and a link mechanism 5.
- the link mechanism 5 is disposed around the head pipe 211.
- the link mechanism 5 is connected to the left front wheel 31 and the right front wheel 32.
- the link mechanism 5 is rotatably attached to the head pipe 211.
- the link mechanism 5 includes a cross member 50 and a side member 55.
- the cross member 50 includes an upper cross member 51 and a lower cross member 52.
- the cross member 50 includes a front cross member 50 ⁇ / b> A positioned forward of the head pipe 211 and a rear cross member 50 ⁇ / b> B positioned rearward of the head pipe 211.
- the upper cross member 51 has a front upper cross member 51 ⁇ / b> A positioned in front of the head pipe 211.
- the lower cross member 52 includes a front lower cross member 52A positioned in front of the head pipe 211 and a rear lower cross member 52B positioned in the rear of the head pipe 211.
- the front cross member 50A includes a front upper cross member 51A and a front lower cross member 52A.
- the rear cross member 50B has a rear lower cross member 52B.
- the side member 55 includes a left side member 53 and a right side member 54.
- the front wheel 3 includes a left front wheel 31 and a right front wheel 32 that can be steered.
- the left front wheel 31 is disposed to the left of the middle in the vehicle width direction.
- a first front fender 223 a is disposed above the left front wheel 31.
- the right front wheel 32 is disposed to the right of the middle in the vehicle width direction.
- a second front fender 223b is arranged above the right front wheel 32.
- the right front wheel 32 is arranged symmetrically with the left front wheel 31 with respect to the middle in the vehicle width direction.
- the right side RF of the vehicle body frame 21 indicates the right side in the direction orthogonal to the axial direction of the head pipe 211 when the vehicle 1 is viewed from the front.
- the upper UF of the body frame 21 indicates the upper side of the body frame 21 in the upright vehicle 1.
- the upper part of the vehicle body frame 21 coincides with the axial direction of the head pipe 211 when the vehicle 1 is viewed from the front.
- FIG. 2 when the vehicle 1 is in an upright state, the right side RF of the body frame 21 and the right side R in the horizontal direction coincide with each other. For this reason, only the right side R in the horizontal direction is displayed in FIG.
- FIG. 7 when the vehicle 1 is inclined with respect to the road surface G, the right side RF and the horizontal right side R of the body frame 21, and the upper UF and the upper side U of the vertical direction of the body frame 21 are It does not match.
- the left front wheel 31 is connected to the left shock absorber 33.
- the left front wheel 31 is connected to the lower part of the left shock absorber 33.
- the left front wheel 31 can rotate around the rotation shaft 311.
- the rotating shaft 311 extends in the left-right direction of the body frame 21.
- the left front wheel 31 can rotate around the rotation shaft 312. As the left front wheel 31 rotates about the rotation shaft 312, the vehicle 1 changes the traveling direction.
- the right front wheel 32 is connected to the right shock absorber 34.
- the right front wheel 32 is connected to the lower part of the right shock absorber 34.
- the right front wheel 32 can rotate around the rotation shaft 321.
- the rotating shaft 321 extends in the left-right direction of the body frame 21.
- the right front wheel 32 can rotate around the rotation shaft 322. As the right front wheel 32 rotates about the rotation shaft 322, the vehicle 1 changes the traveling direction.
- the left shock absorber 33 absorbs an impact applied to the left front wheel 31.
- the left shock absorber 33 is disposed below the link mechanism 5 in the vertical direction of the body frame 21.
- the left shock absorber 33 is provided between the left side member 53 and the left front wheel 31.
- the left shock absorber 33 extends along the left steering axis N1 in which the steering shaft 60 and the head pipe 211 extend.
- the left shock absorber 33 is disposed to the left of the head pipe 211 in the left-right direction of the body frame 21.
- the left shock absorber 33 is disposed to the right of the left front wheel 31 in the left-right direction of the body frame 21.
- the right shock absorber 34 absorbs an impact applied to the right front wheel 32.
- the right shock absorber 34 is disposed below the link mechanism 5 in the vertical direction of the body frame 21.
- the right shock absorber 34 is provided between the right side member 54 and the right front wheel 32.
- the right shock absorber 34 extends along the right steering axis N2 in which the steering shaft 60 and the head pipe 211 extend.
- the right shock absorber 34 is disposed to the right of the head pipe 211 in the left-right direction of the body frame 21.
- the right shock absorber 34 is disposed to the left of the right front wheel 32 in the left-right direction of the body frame 21.
- the left side member 53 is disposed to the left of the head pipe 211 in the left-right direction of the body frame 21.
- the right side member 54 is disposed to the right of the head pipe 211 in the left-right direction of the body frame 21.
- the left side member 53 and the right side member 54 are columnar members.
- the left side member 53 and the right side member 54 extend in the vertical direction of the body frame 21 in a state where the vehicle is upright.
- a lower bracket of the left side member 53 is provided with a first bracket 335 to which the left shock absorber 33 is connected.
- the lower part of the left side member 53 supports the left shock absorber 33 so as to be rotatable around the left steering axis N1.
- a second bracket 336 to which the right shock absorber 34 is connected is provided below the right side member 54.
- the lower part of the right side member 54 supports the right shock absorber 34 so as to be rotatable about the right steering axis N2.
- the upper cross member 51 is a member extending in the left-right direction of the body frame 21 when viewed from the front of the vehicle.
- the upper cross member 51 is provided in front of the vehicle with respect to the head pipe 211.
- a first through hole 513 is provided in the middle portion of the upper cross member 51 in the left-right direction of the body frame 21, and a pair of upper left bearing 512 and upper right bearing 512 are provided on both sides in the left-right direction of the body frame 21. Yes.
- a first through portion 211 a extending from the head pipe 211 is passed through the first through hole 513.
- FIG. 3 is a right side view of the front portion of the vehicle.
- an upper intermediate bearing 511 is provided between the first through portion 211 a and the first through hole 513.
- the upper cross member 51 is rotatably supported with respect to the head pipe 211 by the first through portion 211 a and the upper intermediate bearing 511.
- the upper cross member 51 rotates with respect to the head pipe 211 around the upper intermediate axis M1, which is the rotation center of the upper intermediate bearing 511.
- the first through hole 513 includes the upper intermediate axis M ⁇ b> 1 of the upper cross member 51.
- the upper intermediate axis M1 is inclined with respect to the horizontal direction so that the front is slightly upward.
- the upper cross member 51 is connected to the upper part of the left side member 53 and the upper part of the right side member 54 via the upper left bearing 512 and the upper right bearing 512, respectively. Thereby, the upper cross member 51 can rotate with respect to the left side member 53 and the right side member 54.
- the upper intermediate axis M1 that is the rotation center of the upper intermediate bearing 511, the upper left axis M2 that is the rotation center of the upper left bearing 512, and the upper right axis M3 that is the rotation center of the upper right bearing 512 are parallel to each other. Yes.
- the lower cross member 52 is provided below the upper cross member 51.
- the lower cross member 52 extends in the left-right direction when viewed from the front of the vehicle.
- the length of the lower cross member 52 in the left-right direction is substantially equal to the length of the upper cross member 51 in the left-right direction.
- the lower cross member 52 is provided below the upper cross member 51.
- Two lower cross members 52 are provided so as to sandwich the head pipe 211 in the front-rear direction.
- a second through hole 523 is provided at an intermediate portion of the lower cross member 52 in the vehicle width direction, a lower left bearing 522 is provided to the left of the second through hole 523, and to the right of the second through hole 523. A lower right bearing 522 is provided.
- the second through hole 211b is penetrated by the second through hole 211b.
- a lower intermediate bearing 521 is provided between the second through portion 211 b and the second through hole 523.
- the lower cross member 52 is rotatably supported with respect to the head pipe 211 by the second through portion 211b and the lower intermediate bearing 521.
- the lower cross member 52 rotates relative to the head pipe 211 around the lower intermediate axis M4 that is the rotation center of the lower intermediate bearing 521.
- the second through hole 523 includes a lower intermediate axis M4 of the lower cross member 52.
- the lower middle axis M4 that is the rotation center of the lower intermediate bearing 521, the lower left axis M5 that is the rotation center of the lower left bearing 522, and the lower right axis M6 that is the rotation center of the lower right bearing 522 are parallel to each other. Is provided.
- the lower intermediate axis M4 is provided so as to be parallel to the upper intermediate axis M1.
- the position of the lower left bearing 522 in the left-right direction of the body frame 21 is set to the same position as the position of the upper left bearing 512 in the left-right direction of the body frame 21 when the vehicle 1 is in the upright state.
- the position of the lower right bearing 522 in the left-right direction of the body frame 21 is set to the same position as the position of the upper right bearing 512 in the left-right direction of the body frame 21 when the vehicle 1 is upright.
- the lower cross member 52 is connected to the lower part of the left side member 53 and the lower part of the right side member 54 via the lower left bearing 522 and the lower right bearing 522, respectively. Thereby, the lower cross member 52 can rotate with respect to the left side member 53 and the right side member 54.
- the link mechanism 5 can be deformed within a plane including the upper cross member 51, the lower cross member 52, the left side member 53, and the right side member 54.
- the link mechanism 5 is attached to the head pipe 211. For this reason, even if the steering shaft 60 rotates with the steering of the handle 23, the link mechanism 5 does not rotate with respect to the vehicle body frame 21.
- the tie rod 6 rotates together with the steering shaft 60 and transmits the rotation of the steering shaft 60 to the left front wheel 31 and the right front wheel 32. Thereby, the left front wheel 31 and the right front wheel 32 can be steered by the handle 23.
- the tie rod 6 is provided in front of the head pipe 211.
- the tie rod 6 extends in the left-right direction of the body frame 21.
- the tie rod 6 is disposed below the lower cross member 52 and above the left front wheel 31 and the right front wheel 32.
- the tie rod 6 is connected to the lower part of the steering shaft 60. When the steering shaft 60 is rotated, the tie rod 6 moves in the left-right direction.
- a first bracket 335 is provided at the lower portion of the left side member 53.
- the first bracket 335 is connected to the left shock absorber 33.
- the first bracket 335 is provided so as to be rotatable relative to the left side member 53.
- the first bracket 335 is also provided with a tie rod 6 that can rotate relative to the left side member 53.
- the rotation axis of the relative rotation between the first bracket 335 and the left side member 53 and the rotation axis of the relative rotation with the tie rod 6 are parallel to the left steering axis N1 that is the extending direction of the left side member 53. .
- a second bracket 336 is provided below the right side member 54.
- the second bracket 336 is connected to the right shock absorber 34.
- the second bracket 336 is provided to be rotatable relative to the right side member 54.
- the tie rod 6 is also attached to the second bracket 336 so as to be rotatable relative to the right side member 54.
- the rotation axis of the relative rotation with the right side member 54 and the rotation axis of the relative rotation with the tie rod 6 are parallel to the right steering axis N2 that is the extending direction of the right side member 54.
- first bracket 335 transmits the steering of the handle 23 to the left front wheel 31.
- second bracket 336 transmits the steering of the handle 23 to the right front wheel 32.
- a fluid unit 82 used for ABS is provided between the upper cross member 51 of the link mechanism 5 and the front cover 221 in the direction of the upper intermediate axis M1.
- the fluid unit 82 includes a metal casing, a flow path provided in the casing, a pump, and an electromagnetic valve.
- the fluid unit 82 controls a brake device (not shown) by switching a path through which the brake fluid flows by an electromagnetic valve.
- symbol 81 in FIG. 3 is a headlamp.
- FIG. 4 is a perspective view of the mounting bracket 7.
- FIG. 5 is a front view showing the mounting bracket 7 and the fluid unit 82.
- the mounting bracket 7 is integrally provided with a plate-like portion 71 and an extending portion 72 extending obliquely from the plate-like portion 71.
- the plate-like portion 71 is provided with a first screw hole 711 and a second screw hole 712.
- a screw fixed to the first through portion 211 a extending from the head pipe 211 is inserted into the first screw hole 711.
- a screw fixed to the second through portion 211 b extending from the head pipe 211 is inserted into the second screw hole 712.
- the mounting bracket 7 is fixed to the head pipe 211.
- a first stay 73 is formed on the vehicle front side below the plate-like portion 71.
- the first stay 73 has a third screw hole 731 provided in the middle in the left-right direction of the body frame 21, a pair of fourth screw holes 732 provided outside the third screw hole 731, and a fourth screw hole.
- a pair of fifth screw holes 733 provided on the outer side of 732 and a pair of sixth screw holes 734 provided on the outer side of the fifth screw hole 733 are provided.
- a screw for fixing the attachment piece 821 of the fluid unit 82 is inserted into the third screw hole 731 of the first stay 73.
- a screw for fixing the attachment piece 822 of the fluid unit 82 is inserted into the fourth screw hole 732 of the first stay 73. Thereby, the fluid unit 82 is fixed to the mounting bracket 7.
- the upper cross member 51 is supported by the head pipe 211 by the upper intermediate bearing 511.
- the distance between the upper intermediate bearing 511, which is a connection point between the upper cross member 51 and the head pipe 211, and the center of the head pipe 211 is defined as a link mechanism side support length.
- the fluid unit 82 is supported on the head pipe 211 via the mounting bracket 7 by a screw inserted through the third screw hole 731.
- the distance between the third screw hole 731 that is the connection point between the fluid unit 82 and the head pipe 211 and the center of the head pipe 211 is defined as the fluid unit side support length.
- the link mechanism side support length is shorter than the fluid unit side support length.
- the link mechanism 5 heavier than the fluid unit 82 is supported on the side closer to the head pipe 211 than the fluid unit 82. Thereby, the support rigidity of the link mechanism 5 is increased.
- the head pipe 211, the upper cross member 51 of the link mechanism 5, and the fluid unit 82 are arranged in this order from the rear.
- the upper cross member 51 is larger in the horizontal dimension of the vehicle body frame 21 than the head pipe 211 and the fluid unit 82.
- the space S occupied by these members when viewed from the direction facing the vertical direction of the body frame 21 is a rhombus.
- This rhombus is a shape in which the dimension in the left-right direction decreases from the upper cross member 51 toward the front-rear direction of the body frame 21. Therefore, the left and right spaces S1, S2 of the portion (the space occupied by the fluid unit 82 and the head pipe 211) protruding in the front-rear direction from the upper cross member 51 of the space S can be used for other purposes.
- a screw for fixing the headlamp 81 is inserted into the fifth screw hole 733 and the sixth screw hole 734 of the first stay 73. Thereby, the headlamp 81 is fixed to the mounting bracket 7.
- a second stay 74 and a third stay 75 are provided at the tip of the extension portion 72.
- the windshield 222 is fixed to the second stay 74.
- a front cover 221 is fixed to the third stay 75.
- the fluid unit 82 is supported by the vehicle body frame 21 that supports the link mechanism 5 via the mounting bracket 7.
- the mounting bracket 7 protrudes forward from the head pipe 211 and is fixed to the first through part 211a and the second through part 211b that penetrate the link mechanism 5.
- FIG. 7 is an overall front view of the vehicle 1 in which the vehicle body is inclined at an angle T in the left-right direction with respect to the vertical direction from the state shown in FIG. When the link mechanism 5 operates, the vehicle 1 is inclined with respect to the vertical direction.
- the upper cross member 51 and the lower cross member 52 are translated in the horizontal direction in the horizontal direction while their extending directions are kept parallel to the road surface G.
- the upper cross member 51 and the lower cross member 52 rotate relative to the left side member 53 about the upper left axis M2 of the upper left bearing 512 and the lower left axis M5 of the lower left bearing 522, respectively.
- the upper cross member 51 and the lower cross member 52 rotate relative to the right side member 54 with the upper right axis M3 of the upper right bearing 512 and the lower right axis M6 of the lower right bearing 522 as rotation centers, respectively.
- the upper cross member 51, the lower cross member 52, the left side member 53, and the right side member 54 form a rectangle in an upright state of the vehicle, and as the vehicle is tilted Deform to a parallelogram.
- the upper cross member 51, the lower cross member 52, the left side member 53, An area inside the parallelogram formed by including the right side member 54 is referred to as an operation space of the link mechanism 5.
- the link mechanism 5 operates so that the left end of the upper cross member 51 moves to the left in the left-right direction of the body frame 21 from the left end of the lower cross member 52.
- the left shock absorber 33 and the right shock absorber 34 are inclined with respect to the vertical direction.
- the vehicle 1 according to the present embodiment can be turned by tilting the vehicle body in the left-right direction while traveling.
- the direction of the left front wheel 31 and the right front wheel 32 can be changed by operating the handle 23.
- the movable region V of the cross member 50 includes a front movable region VA and a rear lower cross member 52B with respect to the vehicle body frame 21 of the front cross member 50A including the front upper cross member 51A and the front lower cross member 52A.
- a rear movable region VB of the rear cross member 50B with respect to the vehicle body frame 21 is provided.
- the fluid unit 82 is smaller than the movable region V of the cross member 50 relative to the vehicle body frame 21 of the upper cross member 51 and the lower cross member 52 when viewed from the intermediate axial direction. Further, as shown in FIG. 2, the fluid unit 82 is disposed at a position overlapping at least a part of the movable region V of the cross member 50 and at least a part of the front cover 221 when viewed from the upper intermediate axis M ⁇ b> 1 direction. . As shown in FIG. 3, the fluid unit 82 is disposed between the movable region V of the cross member 50 and the front cover 221 in the upper intermediate axis M ⁇ b> 1 direction and supports the link mechanism 5. It is supported by the pipe 211.
- the vehicle 1 is Body frame 21, A left front wheel 31 and a right front wheel 32 which are arranged on the left and right as viewed from the front of the vehicle 1 and can be steered; A rear wheel 4 disposed behind the left front wheel 31 and the right front wheel 32; A brake device (an example of a hydraulic brake device) provided on any one of the left front wheel 31, the right front wheel 32 and the rear wheel 4, A left shock absorber 33 that supports the left front wheel 31 in the lower part and cushions the displacement of the body frame 21 in the vertical direction of the left front wheel 31 with respect to the upper part; A right shock absorber 34 that supports the right front wheel 32 in the lower part and cushions the displacement of the body frame 21 in the vertical direction of the right front wheel 32 with respect to the upper part; A link mechanism 5; A front cover 221 (an example of a vehicle exterior part) that is disposed at least in front of or behind the link mechanism 5 in the front-rear direction of the body frame 21 and that constitutes at least a part of
- the link mechanism 5 A right side member 54 that rotatably supports the upper portion of the right shock absorber 34 around a right steering axis N2 extending in the vertical direction of the vehicle body frame 21; A left side member 53 that rotatably supports an upper portion of the left shock absorber 33 around a left steering axis N1 parallel to the right steering axis N2, The right side member 54 is supported at the right end so as to be rotatable about a right axis (upper right axis M3 and lower right axis M6) extending in the front-rear direction of the body frame 21, and the left side member 53 is parallel to the right axis at the left end.
- a right axis upper right axis M3 and lower right axis M6
- An intermediate axis that is rotatably supported about the left axis (upper left axis M2 and lower left axis M5) and whose intermediate part is parallel to the right axis and the left axis on the head pipe 211 (an example of a link support part) of the vehicle body frame 21 ( And an upper cross member 51 and a lower cross member 52 (an example of a plurality of cross members) that are rotatably supported around the upper intermediate axis M1 and the lower intermediate axis M4).
- the fluid unit 82 is smaller than the movable region V of the cross member 50 including the upper cross member 51 and the lower cross member 52 with respect to the vehicle body frame 21 when viewed from the intermediate axis direction.
- the fluid unit 82 is located at a position overlapping with at least a part of the movable region V of the cross member 50 and at least a part of the front cover 221 when viewed from the intermediate axial direction, and with the movable region V of the cross member 50 with respect to the intermediate axial direction. It is disposed between the vehicle exterior parts such as the front cover 221 and is supported by the head pipe 211 of the vehicle body frame 21 that supports the link mechanism 5. More specifically, the fluid unit 82 is disposed between the front movable area VA and the front cover 221 with respect to the intermediate axial direction. The fluid unit 82 is disposed between the rear movable region VB and the front cover 221 with respect to the intermediate axis direction.
- the fluid unit 82 includes a plurality of components such as an electromagnetic valve for controlling the fluid and a circuit board for controlling the electromagnetic valve. Therefore, in addition to a certain volume and weight, the fluid unit 82 is limited in the degree of freedom of the outer shape due to functional restrictions.
- the fluid unit 82 is generally configured as a rectangular parallelepiped with less irregularities on the outer shape or a combination of a rectangular parallelepiped and a cylinder. Although the fluid unit 82 has fine irregularities, there are few large irregularities. Therefore, when arranging the fluid unit 82, it is necessary to secure a large space in the vehicle.
- a vehicle with a tiltable body frame and two front wheels is smaller than a four-wheel vehicle, so when trying to place a fluid unit on a vehicle with a tiltable body frame and two front wheels, Compared with the case where a fluid unit is arranged in a four-wheel vehicle, the degree of enlargement of the vehicle due to the arrangement of the fluid unit is large. Therefore, the inventor of the fluid unit 82 has a certain volume and weight, has a small degree of freedom in designing the outer shape, and has less irregularities in the outer shape in a vehicle including the body frame 21 that can tilt and the two front wheels. A suitable mounting location for the layout was studied.
- the vehicle including the body frame 21 and the two front wheels 31 and 32 which are inclined has a large front portion of the vehicle.
- This includes two front wheels 3, a steerable right front wheel 32 and a left front wheel 31, and supports the right front wheel 32 and the left front wheel 31 so that they can be displaced in the vertical direction of the body frame 21 with respect to the body frame 21.
- the link mechanism 5 is provided.
- the cross member 50 and the side member 55 constituting the link mechanism 5 move greatly, and the right front wheel 32 and the left front wheel 31 are greatly displaced with respect to the vehicle body frame 21.
- vehicle exterior parts such as the front cover 221 provided at the front of the vehicle are enlarged in order to avoid interference with the link mechanism 5 that is largely movable and the right front wheel 32 and the left front wheel 31 that are largely displaced.
- the front portion of the vehicle including the body frame 21 and the two front wheels 31 and 32 which are inclined becomes large.
- the present inventor has thought that the front part of the vehicle will be larger when the fluid unit is mounted on the front part of the vehicle.
- the link mechanism 5 is rotatably supported by the body frame 21 and moves relative to the body frame 21 and the parts fixed to the body frame 21.
- the present inventor has thought that the front part of the vehicle is enlarged. For this reason, the present inventor has arranged that the fluid unit 82 having a large volume and weight and having a small unevenness is disposed closer to the fixed member than to be provided near the movable member such as the link mechanism 5. However, it was thought that the enlargement of the front part of the vehicle by arrangement
- the movable region V of the cross member 50 has a plane orthogonal to the intermediate axes M1 and M4, while the front cover 221 and the like. It has been found that the inner surface of a vehicle exterior part often has a complex surface with irregularities. Therefore, it has been found that a gap is formed between the movable region V of the cross member 50 having a flat surface and the inner surface of the front cover 221 having unevenness. Further, the gap between the plane of the movable region V of the cross member 50 and the uneven inner surface of the front cover 221 tends to be large because the shapes of the two are different, and the movable region V of the cross member 50 is wide. The inventor has also found that the gap is difficult to use efficiently because it has a flat surface.
- the present inventor considered arranging the fluid unit 82 in a gap between the plane of the movable region V of the cross member 50 and the uneven inner surface of the front cover 221.
- Such an arrangement of the fluid unit 82 combines the demerit that a gap is generated between the link mechanism 5 and the front cover 221 with the demerit of the fluid unit 82 that is generally easily formed into an outer shape with little unevenness. If so, it is based on the technical idea that these disadvantages can be canceled.
- the fluid unit 82 is movable with respect to the vehicle body frame 21 of the cross member 50 including the upper cross member 51 and the lower cross member 52 when viewed from the intermediate axial direction. It is formed smaller than the region V.
- the fluid unit 82 is disposed at a position overlapping at least a part of the movable region V and at least a part of the front cover 221 when viewed from the intermediate axis direction.
- the fluid unit 82 is disposed between the front movable region VA of the front cross member 50 ⁇ / b> A and the front cover 221 in the intermediate axial direction.
- the fluid unit 82 is disposed between the movable region VB of the rear cross member 50B and the front cover 221 with respect to the intermediate axis direction. Further, the fluid unit 82 is supported by the head pipe 211 of the vehicle body frame 21 that supports the link mechanism 5.
- the movable region V of the cross member 50 has a plane orthogonal to the intermediate axis.
- the inner surface of a vehicle exterior component such as the front cover 221 often has a complex inner surface having irregularities.
- the front cover 221 has an inner surface in which the middle part of the body frame 21 in the vertical direction is positioned forward of the body frame 21 in the front-rear direction from the upper part or the lower part.
- FIG. 3 the front cover 221 has an inner surface in which the middle part of the body frame 21 in the vertical direction is positioned forward of the body frame 21 in the front-rear direction from the upper part or the lower part.
- the front cover 221 has an inner surface in which the middle part in the left-right direction of the body frame 21 is located in front of the left or right part in the front-rear direction of the body frame 21. Further, a rib 225a is provided on the vehicle body cover that supports the meter panel and is positioned at the upper rear portion of the vehicle body frame 21, and the inner surface of the vehicle body cover bulges rearward. It has a shape. Alternatively, terminals etc. protrude forward on the inner surface of the meter panel. Therefore, the clearance gap between the link mechanism 5 which has a plane in the movable area V of the cross member 50, and vehicle exterior components provided with the inner surface which has an unevenness
- the fluid unit 82 that is generally formed in an outer shape with few irregularities is smaller than the movable region V of the cross member 50 including the upper cross member 51 and the lower cross member 52 with respect to the vehicle body frame 21 when viewed from the intermediate axial direction.
- the movable region V of the cross member 50 and the vehicle exterior part (front cover) are formed and overlapped with at least a part of the movable region V and at least a part of the front cover 221 when viewed from the intermediate axial direction. 221), the fluid unit 82 can be mounted while suppressing an increase in the size of the vehicle 1.
- the fluid unit 82 is disposed in the gap between the movable region V of the cross member 50 and the vehicle exterior part 221 and is supported by the head pipe 211 of the vehicle body frame 21 that supports the link mechanism 5.
- the head pipe 211 of the body frame 21 receives loads input from the right front wheel 32 and the left front wheel 31. Therefore, the head pipe 211 of the vehicle body frame 21 has high rigidity.
- a structure for increasing the rigidity of the vehicle body frame 21 can be simplified when the heavy fluid unit 82 is supported on the vehicle body frame 21. Thereby, the enlargement of the vehicle 1 can be suppressed. Therefore, even if the fluid unit 82 is mounted on a vehicle including the body frame 21 that can tilt and the two front wheels 31 and 32, the increase in size of the vehicle can be suppressed.
- the fluid unit 82 is supported by the head pipe 211 and supported by the mounting bracket 7 located in the middle portion in the left-right direction of the vehicle body frame 21. Therefore, the fluid unit 82 is at least partially overlapped on a center line A3 (see FIG. 2) between the center line of the left front wheel 31 and the center line of the right front wheel 32 as viewed from the upper intermediate axis M1 direction.
- a center line A3 see FIG. 2 between the center line of the left front wheel 31 and the center line of the right front wheel 32 as viewed from the upper intermediate axis M1 direction.
- the fluid unit 82 is supported by the mounting bracket 7 in front of the upper cross member 51. For this reason, the fluid unit 82 is provided above the tie rod 6 in the vertical direction of the vehicle body frame 21 as viewed from the upper intermediate axis M1. Since the left front wheel 31 and the right front wheel 32 are provided below the tie rod 6 in the vertical direction of the vehicle body frame 21, even when the vehicle is steered or tilted, the fluid unit 82 is connected to the left front wheel 31 and the right front wheel 32. There is no interference. Therefore, it is possible to provide a vehicle on which the fluid unit 82 is mounted without causing an increase in the size of the vehicle.
- the fluid unit 82 includes the left end portion and the right end of the upper cross member 51 or the lower cross member 52 as viewed from the direction of the upper intermediate axis M1. It is arranged at a position closer to the upper intermediate axis M1 (or lower intermediate axis M4) than the part.
- the upper cross member 51 and the lower cross member 52 rotate around the upper intermediate axis M1 and the lower intermediate axis M4, respectively. Since the fluid unit 82 is disposed at a position close to the upper intermediate axis M1 or the lower intermediate axis M4, the upper cross member 51 and the lower cross member 52 support the fluid unit 82 when the upper cross member 51 and the lower cross member 52 rotate. It becomes difficult to interfere with the structure. Thereby, it is easy to make the support structure of the fluid unit 82 compact.
- the front cover 221 (an example of a vehicle exterior part) has an intermediate portion in the left-right direction of the body frame 21 from the right portion or the left portion.
- An outer surface is provided at the front or rear of the body frame in the front-rear direction.
- the fluid unit 82 is disposed between the movable region V of the cross member 50 and the outer surface of the front cover 221 with respect to the upper intermediate axis M1 direction.
- the outer surface of the front cover 221 can be formed in a convex shape, a concave shape, or an inclined surface shape in the front-rear direction of the vehicle body frame 21 to improve the appearance quality of the vehicle 1.
- the fluid unit 82 is inclined between the outer surface of the front cover 221 formed in a convex shape, a concave shape, or an inclined surface shape in the front-rear direction of the body frame 21 and the movable region V of the cross member 50 having a flat surface. Even if the fluid unit 82 is mounted on the vehicle 1 having a possible body frame and two front wheels, it is possible to suppress the increase in size of the vehicle while improving the appearance quality.
- the front cover 221 has an intermediate portion in the vertical direction of the vehicle body frame 21 at the front or the front of the vehicle body frame 21 from the upper or lower portion.
- An outer surface located at the rear is provided.
- the fluid unit 82 is disposed between the movable region V of the cross member 50 and the outer surface of the front cover 221 with respect to the upper intermediate axis M1 direction.
- the outer surface of the front cover 221 can be formed in a convex shape, a concave shape, or an inclined surface shape in the front-rear direction of the vehicle body frame 21 to improve the appearance quality of the vehicle 1.
- the fluid unit 82 is inclined between the outer surface of the front cover 221 formed in a convex shape, a concave shape, or an inclined surface shape in the front-rear direction of the body frame 21 and the movable region V of the cross member 50 having a flat surface. Even if the fluid unit 82 is mounted on the vehicle 1 having a possible body frame and two front wheels, it is possible to suppress the increase in size of the vehicle while improving the appearance quality.
- the fluid unit 82 has an end surface that intersects the upper intermediate axis M ⁇ b> 1 and is closer to the movable region V of the cross member 50 than the front cover 221. It is formed wider than the end surface that intersects the upper intermediate axis M1 and is closer to the front cover 221 than the movable region V of the cross member 50.
- the configuration of (5) among the surfaces of the fluid unit 82, the end surface close to the movable region V of the cross member 50 having a wide plane is formed wide, and the end surface close to the front cover 221 is formed small.
- a fluid unit can be mounted while suppressing an increase in size.
- FIG. 8 is a view similar to FIG. 3 of the vehicle according to the second embodiment.
- FIG. 9 is a view taken along arrow IX in FIG.
- the upper cross member 51 of the link mechanism 5 is provided in front of the head pipe 211 in the upper intermediate axis M1 direction.
- the fluid unit 82A is provided behind the head pipe 211 and ahead of the leg shield 225.
- the fluid unit 82A is housed inside the leg shield 225, and the fluid unit 82 is smaller than the leg shield 225 when viewed from the upper middle axis M1 direction. That is, the fluid unit 82A is smaller than the movable region V with respect to the cross member 50 including the upper cross member 51 and the lower cross member 52 as viewed from the upper intermediate axis M1 direction.
- the fluid unit 82A is a cross member at a position that overlaps at least a part of the movable region V of the cross member 50 and at least a part of the leg shield 225 when viewed from the direction of the upper intermediate axis M1, and with respect to the direction of the upper intermediate axis M1. It is disposed between the 50 movable regions V and the leg shield 225 and is supported by the head pipe 211 of the vehicle body frame 21 that supports the link mechanism 5. In the present embodiment, the fluid unit 82A is disposed between the front movable area VA of the front cross member 50A and the leg shield 225 with respect to the directions of the intermediate axes M1 and M4, and the front movable area VB of the rear cross member 50B. And the leg shield 225.
- the fluid unit 82A is supported by the head pipe 211 via a mounting bracket 7A fixed to the head pipe 211.
- the mounting bracket 7A has a fixed portion 7A1, an extending portion 7A2, and a mounting plate portion 7A3.
- the fixing portion 7A1 is fixed to the head pipe 211.
- the extending portion 7A2 protrudes from the fixed portion 7A1 to the rear side opposite to the side on which the upper cross member 51 is provided.
- the mounting plate portion 7A3 is provided at the rear end of the extending portion 7A2 and extends in the surface direction intersecting with the upper intermediate axis M1.
- the fluid unit 82A is attached to the attachment plate portion 7A3.
- the fluid unit 82A is arranged avoiding the movable region V of the cross member 50. For this reason, as in the first embodiment described above, the fluid unit 82A can be used without effectively increasing the size of the front portion of the vehicle by effectively using the gap between the link mechanism 5 and the leg shield 225. Can be mounted on a vehicle with high support rigidity.
- the link mechanism side support length from the head pipe 211 to the link mechanism 5 is shorter than the fluid unit side support length from the head pipe 211 to the fluid unit 82A. Also in this embodiment, the link mechanism 5 that is heavier than the fluid unit 82 is supported on the side closer to the head pipe 211 than the fluid unit 82A. Thereby, the support rigidity of the link mechanism 5 is improved.
- the head pipe 211 is disposed between the link mechanism 5 and the fluid unit 82A in the direction of the upper intermediate axis M1.
- the fluid unit 82A and the link mechanism 5 are disposed with the head pipe 211 therebetween.
- the fluid unit 82A and the link mechanism 5 do not interfere with each other.
- interference between a brake hose (not shown) or electrical wiring extended from the fluid unit 82A and the link mechanism 5 is effectively suppressed.
- the link mechanism 5 is formed larger than the head pipe 211 and the fluid unit 82 as shown in FIG. 9 when viewed from above the vehicle body frame 21 in the vertical direction (arrow IX in FIG. 8). did.
- space SA which fluid unit 82A, head pipe 211, and link mechanism 5 occupy can be made into the triangular shape where fluid unit 82A protrudes back.
- the left and right spaces SA1 and SA2 of the fluid unit 82A and the head pipe 211 can be used for other purposes. Thereby, the freedom degree of design of a vehicle front part is raised.
- FIGS. 10 and 11 a vehicle according to a third embodiment of the present invention will be described with reference to FIGS. 10 and 11.
- the vehicle according to the second embodiment differs from the vehicle according to the first embodiment described above in the arrangement position of the fluid unit 82.
- FIG. 10 is a view similar to FIG. 8 of the vehicle according to the third embodiment.
- FIG. 11 is a view similar to FIG. 9 of the vehicle according to the third embodiment.
- the fluid unit 82 ⁇ / b> B is disposed at a position overlapping the head pipe 211 in the upper intermediate axis M ⁇ b> 1 direction.
- a leg shield 225 is provided behind the fluid unit 82B and the head pipe 211.
- the cross member 50 includes an upper cross member 51 and a lower cross member 52.
- the cross member 50 includes a front cross member 50 ⁇ / b> A positioned forward of the head pipe 211 and a rear cross member 50 ⁇ / b> B positioned rearward of the head pipe 211.
- the upper cross member 51 includes a front upper cross member 51 ⁇ / b> A positioned in front of the head pipe 211 and a rear upper cross member 51 ⁇ / b> B positioned in the rear of the head pipe 211.
- the lower cross member 52 includes a front lower cross member 52A located in front of the head pipe 211 and a rear lower cross member 52B located in rear of the head pipe 211.
- the front cross member 50A includes a front upper cross member 51A and a front lower cross member 52A.
- the rear cross member 50B includes a rear upper cross member 51B and a rear lower cross member 52B.
- the fluid unit 82B is arranged between the front upper cross member 51A and the rear upper cross member 51B in the direction of the upper intermediate axis M1.
- the fluid unit 82B is disposed between the front upper cross member 51A and the leg shield 225 and between the rear upper cross member 51B and the front cover 221 with respect to the upper intermediate axis M1 direction.
- the fluid unit 82B is disposed between the front lower cross member 52A and the leg shield 225 with respect to the upper middle axis M1 direction.
- the fluid unit 82B is disposed between the rear lower cross member 52B and the front cover 221 with respect to the upper intermediate axis M1 direction.
- the fluid unit 82B is smaller than the front movable area VA with respect to the vehicle body frame 21 of the front cross member 50A including the front upper cross member 51A and the front lower cross member 52A when viewed from the upper intermediate axis M1 direction.
- the fluid unit 82B is disposed at a position overlapping with at least a part of the movable region VA of the front cross member 50A and at least a part of the leg shield 225 when viewed from the upper intermediate axis M1 direction.
- the fluid unit 82B is disposed between the front upper cross member 51A and the leg shield 225 in the upper intermediate axis M1 direction, and is supported by the head pipe 211 of the vehicle body frame 21 that supports the link mechanism 5.
- the fluid unit 82B is disposed between the movable region VA of the front cross member 50A including the front upper cross member 51A and the front lower cross member 52A with respect to the body frame 21 and the leg shield 225 with respect to the upper intermediate axis M1 direction.
- the fluid unit 82B is smaller than the movable region VB of the rear cross member 50B including the rear upper cross member 51B and the rear lower cross member 52B with respect to the vehicle body frame 21 when viewed from the upper intermediate axis M1 direction.
- the fluid unit 82B is disposed at a position overlapping at least a part of the movable region VB of the rear cross member 50B and at least a part of the leg shield 225 when viewed from the direction of the upper intermediate axis M1.
- the fluid unit 82B is disposed between the rear upper cross member 51B and the front cover 221 in the direction of the upper intermediate axis M1, and is supported by the head pipe 211 of the vehicle body frame 21 that supports the link mechanism 5.
- the fluid unit 82B is disposed between the movable region VB of the rear cross member 50B including the rear upper cross member 51B and the rear lower cross member 52B with respect to the body frame 21 and the front cover 221 with respect to the direction of the upper intermediate axis M1, and the link mechanism 5 Is supported by the head pipe 211 of the vehicle body frame 21 that supports the body.
- the fluid unit 82B is supported by the head pipe 211 via a mounting bracket 7B fixed to the head pipe 211.
- the mounting bracket 7B has a fixed portion 7B1 and a mounting plate portion 7B2.
- the fixing portion 7B1 is fixed to the head pipe 211.
- the mounting plate portion 7B2 extends in the left-right direction of the body frame 21 from the fixed portion 7A1.
- the mounting plate portion 7B2 is a plate-like member parallel to the surface orthogonal to the upper intermediate axis M1.
- the fluid unit 82B is attached to the attachment plate portion 7B2.
- the fluid unit 82B is arranged avoiding the space where the operating space of the link mechanism 5 is widened when the link mechanism 5 is operating. For this reason, the fluid unit 82B is arranged using a gap between the link mechanism 5 and the front cover 221 and the leg shield 225, so that the fluid unit 82B can be supported with high support rigidity without causing an increase in size of the front portion of the vehicle. Can be mounted on.
- the upper cross member 51 of the link mechanism 5 is formed larger than the fluid unit 82B when viewed from above in the vertical direction of the body frame 21 (in the direction of arrow XI in FIG. 10).
- the fluid unit 82B is disposed on the right side of the vehicle body frame in the left-right direction with respect to the head pipe 211.
- the fluid unit 82 ⁇ / b> B is connected to the upper cross member 51 of the link mechanism 5 in the direction of the upper intermediate axis A ⁇ b> 1 when viewed from above in the vertical direction of the body frame 21 (in the direction of arrow IX in FIG. 8). And in the area B occupied by the head pipe 211.
- the length of the space which the upper cross member 51 and the fluid unit 82B occupy can further be shortened regarding the upper middle axis line M1 direction. For this reason, the freedom degree of the space of the vehicle front part is further raised regarding the upper middle axis line M1 direction.
- the fluid unit 82B may be arranged on the left side in the left-right direction of the body frame 21 from the head pipe 211.
- the vehicle having the link mechanism including the upper cross member 51 and the lower cross member 52 has been described as an example, but the present invention is not limited to this example.
- the present invention can be applied to a vehicle having a link mechanism including an intermediate cross member between an upper cross member and a lower cross member.
- the upper cross member 51 and the lower cross member 52 have been described as examples that are configured by members that are continuous from side to side, but the present invention is not limited thereto.
- the upper cross member and the lower cross member may be configured by a member extending rightward from the head pipe 211 and a member extending leftward from the head pipe 211.
- each member may be configured to rotate around a common rotation axis, or may be configured to rotate around different rotation axes.
- each of the upper cross member and the lower cross member may be constituted by a member divided into two in the left-right direction, or may be constituted by two or more members.
- each member which comprises the link mechanism 5 may be comprised by a linear member, and may be comprised by appropriate shapes, such as a curved shape.
- the upper cross member 51 provided only on the front side of the head pipe 211 has been described as an example.
- the upper cross member 51 is similar to the lower cross member 52 and the front upper cross member and the head pipe 211 are sandwiched therebetween. It is good also as a structure provided with the back upper cross member.
- the fluid units 82, 82A, and 82B are arranged between one of the front upper cross member and the rear upper cross member and the vehicle exterior part with respect to the direction of the upper middle axis M1, as described above, A vehicle with high support rigidity and fluid units 82, 82A, and 82B can be provided without increasing the size of the vehicle.
- the vehicle 1 having two front wheels 31 and 32 has been described as an example, but the present invention can also be applied to a vehicle having two or more rear wheels.
- the head pipe 211 extending in the vertical direction of the vehicle body frame 21 has been described as a vertical frame, but the present invention is not limited to this example.
- the vertical frame also means a frame that is bent in the middle so that a portion supporting the link mechanism 5 extends in the vertical direction of the vehicle body frame 21 and a lower portion thereof extends rearward.
- the vertical frame does not mean only a frame extending in the vertical direction, but also includes a frame that supports the link mechanism by extending in the vertical direction while inclining in the front-rear direction. Further, the vertical frame and the rear frame extending rearward from the vertical frame may be constituted by an integral member.
- the front cover 221 and the leg shield 225 have been described as examples of vehicle exterior parts, but the present invention is not limited to this example.
- the vehicle exterior component is a member provided at the front of the vehicle so that at least a part thereof is exposed on the outer surface of the vehicle.
- vehicle exterior parts include a vehicle body cover 22 such as a front cover 221 and a leg shield 225, various lamps such as a headlamp 81 and a direction indicator, and a meter panel.
- the attachment structure of the fluid unit 82 to the head pipe 211 is not limited to the above-described attachment brackets 7, 7A, 7B.
- the fluid units 82A and 82B may be directly attached to the head pipe 211. Or you may attach the fluid units 82, 82A, and 82B to the stay extended from the head pipe 211 so that the operation space of the link mechanism 5 may be avoided.
- the fluid unit 82 may be fixed to a vehicle exterior part such as a front cover, and at least a part of the load of the vehicle exterior part may be supported by a vertical frame.
- the arrangement positions of the fluid units 82, 82A, and 82B are determined based on the upper intermediate axis A1 of the upper cross member 51 using the relationship between the link mechanism 5, the head pipe 211, and the vehicle exterior parts.
- parallel includes two straight lines that are inclined within a range of ⁇ 40 ° and do not intersect as members.
- “along” with respect to “direction”, “member” and the like includes a case where the angle is within a range of ⁇ 40 °.
- “extending” with respect to “direction” includes a case where the surface is inclined within a range of ⁇ 40 °.
- the vehicle according to the present invention is a vehicle including a body frame that can tilt and two front wheels.
- the number of rear wheels is not limited to one and may be two.
- the body cover that covers the body frame may not be provided.
- the power unit includes a power source.
- the power source is not limited to the engine but may be an electric motor.
- the right side member 53, the left side member 54, and the head pipe 211 are provided at overlapping positions when the body frame 21 is viewed from the side.
- the head pipe 211 may be provided at different positions in the front-rear direction with respect to the right side member 53 and the left side member 54 when the body frame 21 is viewed from the side.
- the inclination angle of the right side member 53 and the left side member 54 with respect to the vertical direction of the body frame 21 may be different from the inclination angle of the head pipe 211.
- link support section may be composed of a single part or a plurality of parts. In the case of a plurality of parts, they may be joined by welding, adhesion, or the like, or may be joined by fastening members such as bolts and rivets.
- the upper cross member includes an upper front cross member constituted by a single part, an upper rear cross member constituted by a single part, and a connecting member provided between them and formed by a plurality of parts. You can leave. In the case of a plurality of parts, they may be joined by welding, adhesion, or the like, or may be joined by fastening members such as bolts and rivets.
- the lower cross member includes a lower front cross member constituted by one piece of component, a lower rear cross member constituted by one piece of component, and a connecting member provided between them and formed by a plurality of components. You can leave. In the case of a plurality of parts, they may be joined by welding, adhesion, or the like, or may be joined by fastening members such as bolts and rivets.
- the right side member and the left side member may be configured by a single part or a plurality of parts. In the case of a plurality of parts, they may be joined by welding, adhesion, or the like, or may be joined by fastening members such as bolts and rivets.
- positioned back may be included.
- An upper cross member or a lower cross member may be disposed between a portion disposed in front of the right side member and the left side member and a portion disposed behind.
- the vehicle body frame has a link support part, a connecting member (upper front and rear frame part), a down frame (upper and lower frame part), and an under frame (lower front and rear frame part), which are connected by welding.
- the vehicle body frame of the present invention is not limited to the above embodiment.
- the vehicle body frame only needs to have a link support portion, an upper front and rear frame portion, an upper and lower frame portion, and a lower front and rear frame portion.
- the body frame may be formed entirely or partially by casting or the like.
- the upper front and rear frame portions and the upper and lower frame portions may be configured by one member, or may be configured by separate members.
- the acute angle formed by the rotation axis SA of the steering shaft and the vertical direction of the vehicle body frame coincides with the acute angle formed by the expansion / contraction direction of the right shock absorber and the left shock absorber and the vertical direction of the vehicle body frame.
- the present invention is not limited to the above embodiment.
- the acute angle formed by the rotation axis of the steering shaft and the vertical direction of the body frame may be smaller or larger than the acute angle formed by the expansion / contraction direction of the right shock absorber and the left shock absorber and the vertical direction of the body frame. .
- the rotation axis of the steering shaft and the expansion / contraction directions of the right shock absorber and the left shock absorber are the same.
- the present invention is not limited to the above embodiment.
- the rotation axis of the steering shaft and the expansion and contraction directions of the right shock absorber and the left shock absorber may be separated from each other in the front-rear direction. For example, you may cross.
- the right front wheel and the left front wheel are supported such that their upper ends are movable from the upper end of the down frame of the body frame to the upper side in the vertical direction of the body frame.
- the present invention is not limited to the above embodiment.
- the right front wheel and the left front wheel may be movable to the same height as or below the upper end of the down frame of the body frame in the vertical direction of the body frame.
- the link mechanism may further include a cross member in addition to the upper cross member and the lower cross member.
- the upper cross member and the lower cross member are merely named in a relative vertical relationship.
- the upper cross member does not indicate the uppermost cross member in the link mechanism.
- the upper cross member means a cross member located above another cross member below the upper cross member.
- the lower cross member does not indicate the lowest cross member in the link mechanism.
- the lower cross member means a cross member located below another cross member above it.
- the cross member may be composed of two parts, a right cross member and a left cross member.
- the upper cross member and the lower cross member may be configured by a plurality of cross members as long as they have a link function. Further, another cross member may be provided between the upper cross member and the lower cross member.
- the link mechanism only needs to include an upper cross member and a lower cross member.
- Vehicle 2 Car body 21: Car body frame 211: Head pipe 211a: First penetration part 211b: Second penetration part 212: Front frame 213: Rear frame 22: Car body cover 221: Front cover 222: Windshield 223: Front Fender 224: Rear fender 225: Leg shield 23: Handle 24: Seat 25: Power unit 3: Left and right pair of front wheels 31: Left front wheel 32: Right front wheel 335: First bracket 336: Second bracket 33: Left shock absorber 34: Right Shock absorber 4: Rear wheel 5: Link mechanism 51: Upper cross member 513: First through hole 52: Lower cross member 523: Second through hole 53: Left side member 54: Right side member 6: Tie rod 60: Steering shaft 7 : Mounting bracket 81: Headlamp 82, 82A, 82B: Fluid Knit A1: upper intermediate shaft line A2: lower intermediate shaft line
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Abstract
Description
また、非特許文献1に記載のような傾斜する車体フレームと二つの前輪を備えた車両に、ABS(Anti-lock Brake System)を搭載することが望まれている。ABSに含まれる流体ユニットは、一般的に車両構成部品の中で、重量が重く、容積も大きいので、以下のような様々な課題が想定される。
そのため、非特許文献1に記載のような傾斜する車体フレームと二つの前輪を備えた車両に、ABSを搭載する場合、車両がより大型化するおそれがある。
車両であって、
車体フレームと、
車両の前方から見て左右に配置され、操舵可能な左前輪および右前輪と、
前記左前輪および前記右前輪より後方に配置された後輪と、
前記右前輪、前記左前輪および後輪のいずれか一つに設けられた液圧式制動装置と、
下部に前記左前輪を支持し、上部に対する前記左前輪の前記車体フレームの上下方向における変位を緩衝する左緩衝装置と、
下部に前記右前輪を支持し、上部に対する前記右前輪の前記車体フレームの上下方向における変位を緩衝する右緩衝装置と、
前記右緩衝装置の上部を前記車体フレームの上下方向に延びる右操舵軸線回りに回転可能に支持する右サイド部材と、前記左緩衝装置の上部を前記右操舵軸線と平行な左操舵軸線回りに回転可能に支持する左サイド部材と、前記右サイド部材を右端部に前記車体フレームの前後方向に延びる右軸線回りに回転可能に支持し、前記左サイド部材を左端部に前記右軸線に平行な左軸線回りに回転可能に支持し、中間部が前記車体フレームのリンク支持部に前記右軸線および前記左軸線に平行な中間軸線回りに回転可能に支持される複数のクロス部材と、を含むリンク機構と、
前記車体フレームの前後方向において、少なくとも前記リンク機構より前方または後方に配置され、少なくとも車両の外面の一部を構成する車両外観部品と、
液圧式制動装置の制動力を制御する流体ユニットと、
を備えた車両であって、
前記流体ユニットは、
前記中間軸線方向から見て、前記クロス部材の前記車体フレームに対する可動領域より小さく、
前記中間軸線方向から見て、前記可動領域の少なくとも一部および前記車両外観部品の少なくとも一部と重なる位置で、かつ、前記中間軸線方向に関して前記可動領域と前記車両外観部品との間に配置され、
前記リンク機構を支持する前記車体フレームの前記リンク支持部に支持されている、車両。
流体ユニットは、中間軸線方向から見て、可動領域の少なくとも一部および車両外観部品の少なくとも一部と重なる位置で、かつ、中間軸線方向に関して可動領域と車両外観部品との間に配置され、リンク機構を支持する車体フレームのリンク支持部に支持されている。
ところで、流体ユニットは、流体を制御する電磁弁や、その電磁弁を制御するための回路基板など複数の部品を含んでいる。そのため、流体ユニットは、ある程度の容積および重量があることに加えて、機能上の制約により外形形状の自由度が制限される。流体ユニットは、一般的に、外形に凹凸が少ない直方体または直方体と円柱を組み合わせた形状に構成されている。流体ユニットの外形は、細かい凹凸はあるものの、大きい凹凸は少ない。そのため、流体ユニットを配置する際には、大きな空間を確保する必要がある。傾斜可能な車体フレームと2つの前輪を備えた車両は、四輪車両と比べて、車両そのものが小さいため、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを配置しようとすると、四輪車両に流体ユニットを配置する場合と比べて、流体ユニットの配置による車両の大型化の度合いが大きい。
そこで、傾斜可能な車体フレームと2つの前輪を備えた車両において、ある程度の容積と重量があり、外形形状の設計自由度が少なく、外形形状の凹凸が少ない流体ユニットの配置に適した搭載場所を検討した。
傾斜する車体フレームと二つの前輪を備えた車両は、車両の前部が大きい。これは、操舵可能な右前輪および左前輪の二つの前輪を備えていること、右前輪および左前輪を車体フレームに対して車体フレームの上下方向に変位可能に支持するリンク機構を備えていることに起因する。車体フレームが鉛直に対して傾斜している状態で、リンク機構を構成する部材は大きく動き、右前輪および左前輪は車体フレームに対して大きく変位する。そのため、車両の前部に設けられる車両外観部品は、大きく可動するリンク機構および大きく変位する右前輪および左前輪との干渉を避けるために、大型化する。その結果、傾斜する車体フレームと二つの前輪を備えた車両は、車両の前部が大きくなっていた。このため、車両の前部に流体ユニットを配置することは難しいと考えられた。
しかも、車体フレームを傾斜させるリンク機構は、車体フレームに回転可能に支持されており、車体フレームおよび車体フレームに固定されている部品に対して相対的に移動する。流体ユニットをリンク機構の周囲に配置すると、流体ユニットとリンク機構との干渉を避けるために、流体ユニットを配置するための空間としてリンク機構の周囲に大きな空間を確保する必要があり、車両が大型化しやすい。そのため、一般的には、容積と重量が大きく凹凸の少ない外形形状を有する流体ユニットは、リンク機構のように可動部材の近くに設けるよりも、固定された部材に近接して配置する方が、流体ユニットの配置による車両の大型化を抑制できると考えられる。
しかしながら、鋭意研究する中で、クロス部材の可動領域は中間軸線に対して直交する平面を有する一方、車両外観部品の内面は凹凸を有する複雑な面を有することが多いことがわかった。そのため、平面を有するクロス部材の可動領域と凹凸のある車両外観部品の内面の間に隙間が生じていることを見出した。また、クロス部材の可動領域の平面と車両外観部品の凹凸のある内面との間の隙間は、両者の形状が異なるため、大きくなりやすいことがわかった。さらに、その隙間は、クロス部材の可動領域が広い平面を有するため、該隙間を効率的に利用し難いことも見出した。
そこで、リンク機構の平面と車両外観部品の凹凸のある内面との間の隙間に流体ユニットを配置することを検討した。
(1)の構成によれば、流体ユニットは、中間軸線方向から見て、クロス部材の車体フレームに対する可動領域より小さく形成される。また、流体ユニットは、中間軸線方向から見て、その可動領域の少なくとも一部および車両外観部品の少なくとも一部と重なる位置に配置される。流体ユニットは、中間軸線方向に関してクロス部材の可動領域と車両外観部品との間に配置される。更に、流体ユニットは、リンク機構を支持する車体フレームのリンク支持部に支持される。クロス部材の可動領域は、中間軸線に対して直交する平面を有する。
一方、車両外観部品の内面は、凹凸を有する複雑な内面を有することが多い。そのため、可動領域に平面を有するリンク機構と凹凸を有する内面を備える車両外観部品の間の隙間は、大きくなりやすい。また、可動領域に平面があるため、効率的に利用しにくい。
そこで、一般的に凹凸の少ない外形形状に形成される流体ユニットを、中間軸線方向から見て、クロス部材の車体フレームに対する可動領域より小さく形成し、中間軸線方向から見て、その可動領域の少なくとも一部および車両外観部品の少なくとも一部と重なる位置、かつ、中間軸線方向に関してクロス部材の可動領域と車両外観部品との間に配置することで、流体ユニットを搭載しても、車両の大型化を抑制できる。
しかも、流体ユニットを、クロス部材の可動領域と車両外観部品の間の隙間に配置し、リンク機構を支持する車体フレームのリンク支持部に支持する。車体フレームのリンク支持部は、右前輪および左前輪から入力された荷重を受ける。そのため、車体フレームのリンク支持部は、高い剛性を備えている。このリンク支持部の剛性の高さを利用することで、重量物である流体ユニットを車体フレームに支持する際に、車体フレームの剛性を高めるための構造を簡素化できる。これにより、車両の大型化をより抑制できる。
従って、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、車両の大型化を抑制できる。
前記流体ユニットは、前記中間軸線方向から見て、前記クロス部材の左端部および右端部よりも前記中間軸線に近い位置に配置されていてもよい。
(2)の構成によれば、クロス部材は中間軸線回りに回転する。流体ユニットを中間軸線に近い位置に配置したので、クロス部材が回転したときにクロス部材が流体ユニットの支持構造と干渉しにくくなる。これにより、流体ユニットの支持構造をコンパクトにしやすい。従って、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、車両の大型化をより抑制できる。
前記車両外観部品は、前記車体フレームの左右方向の中間部が右部または左部より前記車体フレームの前後方向の前方または後方に位置する外面を備え、
前記流体ユニットは、前記中間軸線方向に関して、前記可動領域と前記車両外観部品の前記外面の間に配置されていてもよい。
(3)の構成によれば、車両外観部品の外面を車体フレームの前後方向に凸形状または凹形状または傾斜面形状に形成して、車両の外観品質を向上することができる。しかも、車体フレームの前後方向に凸形状または凹形状または傾斜面形状に形成した車両外観部品の外面と平面を有するクロス部材の可動領域の間に流体ユニットを配置することにより、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、外観品質の向上を図りつつ車両の大型化を抑制できる。
前記車両外観部品は、前記車体フレームの上下方向の中間部が上部または下部より前記車体フレームの前後方向の前方または後方に位置する外面を備え、
前記流体ユニットは、前記中間軸線方向に関して、前記可動領域と前記車両外観部品の前記外面の間に配置されていてもよい。
(4)の構成によれば、車両外観部品の外面を車体フレームの前後方向に凸形状または凹形状または傾斜面形状に形成して、車両の外観品質を向上することができる。しかも、車体フレームの前後方向に凸形状または凹形状または傾斜面形状に形成した車両外観部品の外面と平面を有するクロス部材の可動領域の間に流体ユニットを配置することにより、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、外観品質の向上を図りつつ車両の大型化を抑制できる。
前記流体ユニットは、前記中間軸線と交差し、前記車両外観部品より前記可動領域に近い端面が、前記中間軸線と交差し、前記可動領域より前記車両外観部品に近い端面より広く形成されていてもよい。
(5)の構成によれば、広い平面を有する可動領域に近い端面を広く形成し、車両外観部品に近い端面を小さく形成したため、車両の大型化を抑制しつつ、流体ユニットを搭載することができる。
前記リンク機構は、ステアリングシャフトとともに回転し、前記ステアリングシャフトの回転を前記左前輪および前記右前輪に伝達するタイロッドを有し、
前記流体ユニットは、前記中間軸線方向から見て前記タイロッドより上方に設けられていてもよい。
(6)の構成によれば、車両の転舵時あるいは傾斜時に、流体ユニットがタイロッドなどと干渉し難くなる。
前記縦フレームと前記リンク機構との間の支持長さは、前記流体ユニットと前記リンク支持部との間の支持長さよりも短くてもよい。
(7)の構成によれば、流体ユニットがリンク機構と干渉することなく、流体ユニットより重いリンク機構のリンク支持部に対する支持剛性を高められる。
前記中間軸線方向に関して、前記リンク支持部、前記リンク機構、前記流体ユニットがこの順に並んでいてもよい。
一般に、リンク機構はリンク支持部や流体ユニットよりも容積が大きい。このため、(8)の構成によれば、リンク支持部、リンク機構、流体ユニットをこの順に並べると、回転軸芯方向と垂直をなして上下方向を向く方向から見て、これらの部材が占める空間が矩形状となる。そのため、したがって、この空間の前後方向に突出する部位の左右の空間を他の用途に利用することができる。従って、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、車両の大型化をより抑制できる。
前記車体フレームの上下方向から見て、前記流体ユニットは前記リンク機構より小さくしてもよい。
(9)の構成によれば、リンク機構と流体ユニットが占める空間を小さくして、この空間の前後方向に突出する部位の左右の空間を他の用途に利用することができる。従って、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、車両の大型化をより抑制できる。
前記中間軸線方向に関して、前記リンク支持部は前記リンク機構と前記流体ユニットとの間に配置されていてもよい。
(10)の構成によれば、流体ユニットとリンク機構とが互いに干渉することなく、リンク機構と流体ユニットの両方のリンク支持部に対する支持剛性を高めることができる。
前記車体フレームの上下方向から見て、前記リンク機構は前記リンク支持部および前記流体ユニットより大きくしてもよい。
(11)の構成によれば、最も大きなリンク機構が中間軸線方向に関して端に配置されているため、中間軸線方向と垂直であって上下を向く方向から見て、リンク支持部とリンク機構と流体ユニットの占める空間を三角形状としやすく、車両前部の空間を有効に使うことができる。従って、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、車両の大型化をより抑制できる。
前記車体フレームの上下方向から見て、前記リンク機構は前記流体ユニットより大きく、前記流体ユニットは前記リンク支持部の左右のいずれか一方に配置されていてもよい。
(12)の構成によれば、中間軸線方向について、流体ユニットとリンク支持部とリンク機構の占める空間をできるだけ小さくすることができる。従って、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、車両の大型化をより抑制できる。
前記中間軸線方向に関して、前記流体ユニットは、前記リンク機構と前記リンク支持部の占める領域の内部に配置されていてもよい。
(13)の構成によれば、中間軸線方向について、流体ユニットとリンク支持部とリンク機構の占める空間をさらに小さくすることができる。従って、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、車両の大型化をより抑制できる。
前記流体ユニットは、前記中間軸線方向から見て、前記左前輪の中心線と前記右前輪の中心線との間の中心線上に、少なくとも一部が重なるように配置されていてもよい。
(14)の構成によれば、車両の転舵時あるいは傾斜時に、流体ユニットがリンク機構や前輪などと干渉し難くなる。従って、傾斜可能な車体フレームと2つの前輪を備えた車両に流体ユニットを搭載しても、車両の大型化をより抑制できる。
以下、図面を参照し、本発明の一実施形態に係る車両の一種である車両1について説明する。図中同一又は相当部分には同一符号を付してその部材についての説明は繰り返さない。
図1は、車両1の全体側面概略図である。なお、以下の説明において前後左右と方向を示す場合、車両1を運転する乗員から見た前後左右の方向を意味するものとする。
車体フレーム21は、パワーユニット25やシート24等を支持する。パワーユニット25は、エンジンあるいは電動モータ等の動力源と、ミッション装置等を含んでいる。図1では車体フレーム21は破線で示されている。
車体フレーム21は、車両外観部品の一つである車体カバー22によって覆われている。車体カバー22は、フロントカバー221、フロントフェンダー223、リアフェンダー224およびレッグシールド225を含んでいる。
前輪3は、操舵可能な左前輪31及び右前輪32を含んでいる。左前輪31は、車幅方向中間より左方に配置されている。左前輪31の上方には、第一フロントフェンダー223aが配置されている。右前輪32は、車幅方向中間より右方に配置されている。右前輪32より上方には、第二フロントフェンダー223bが配置されている。右前輪32は、車幅方向中間に対して、左前輪31と対称に配置されている。
左緩衝器33は、左前輪31に加えられた衝撃を吸収する。左緩衝器33は、車体フレーム21の上下方向についてリンク機構5より下方に配置されている。左緩衝器33は、左サイド部材53と左前輪31との間に設けられている。左緩衝器33は、ステアリングシャフト60及びヘッドパイプ211の延びる左操舵軸線N1に沿って延びている。左緩衝器33は、車体フレーム21の左右方向についてヘッドパイプ211より左方に配置されている。左緩衝器33は、車体フレーム21の左右方向について、左前輪31より右方に配置されている。
右サイド部材54の下部には、右緩衝器34が接続される第二ブラケット336が設けられている。右サイド部材54の下部は、右操舵軸線N2回りに回転可能に右緩衝器34を支持している。
図2に戻り、下クロス部材52は、上クロス部材51よりも下方に設けられている。下クロス部材52は、車両の前方から見て左右方向に延びている。下クロス部材52の左右方向の長さは、上クロス部材51の左右方向長さと略同等とされている。下クロス部材52は、上クロス部材51よりも下方に設けられている。下クロス部材52は、ヘッドパイプ211を前後に挟むように、二枚設けられている。
続いて図2を参照してタイロッド6を説明する。タイロッド6は、ステアリングシャフト60とともに回転し、ステアリングシャフト60の回転を左前輪31および右前輪32に伝達する。これにより、左前輪31及び右前輪32をハンドル23によって操舵可能としている。タイロッド6は、ヘッドパイプ211より前方に設けられている。タイロッド6は、車体フレーム21の左右方向に延びている。タイロッド6は、下クロス部材52より下方であって、左前輪31及び右前輪32より上方に配置されている。タイロッド6は、ステアリングシャフト60の下部に連結されている。ステアリングシャフト60を回転させると、タイロッド6は左右方向に移動する。
図2に示したように、左サイド部材53の下部には第一ブラケット335が設けられている。第一ブラケット335は、左緩衝器33と連結されている。
図3に示したように、上中間軸線M1方向について、リンク機構5の上クロス部材51とフロントカバー221との間には、ABS(Anti-lock Brake System)に用いられる流体ユニット82が設けられている。流体ユニット82は、金属製の筐体と、筐体の中に設けられた流路と、ポンプと、電磁弁と、を備えている。流体ユニット82は、電磁弁によりブレーキ液の流れる経路を切り替えることにより図示せぬブレーキ装置を制御する。なお、図3中の符号81はヘッドランプである。
図7は、図2の状態から、車体を垂直方向に対して左右方向に角度T傾斜させた車両1の正面全体図である。リンク機構5が作動することで車両1は垂直方向に対して傾斜する。
また、図2に示したように、流体ユニット82は、上中間軸線M1方向から見て、クロス部材50の可動領域Vの少なくとも一部およびフロントカバー221の少なくとも一部と重なる位置に配置される。かつ、図3に示したように、流体ユニット82は、上中間軸線M1方向に関してクロス部材50の可動領域Vとフロントカバー221との間に配置され、リンク機構5を支持する車体フレーム21のヘッドパイプ211に支持されている。
以上のような本実施形態に係る車両1は、
車体フレーム21と、
車両1の前方から見て左右に配置され、操舵可能な左前輪31および右前輪32と、
左前輪31および右前輪32より後方に配置された後輪4と、
左前輪31、右前輪32および後輪4のいずれか一つに設けられたブレーキ装置(液圧式制動装置の一例)と、
下部に左前輪31を支持し、上部に対する左前輪31の車体フレーム21の上下方向における変位を緩衝する左緩衝器33と、
下部に右前輪32を支持し、上部に対する右前輪32の車体フレーム21の上下方向における変位を緩衝する右緩衝器34と、
リンク機構5と、
車体フレーム21の前後方向において、少なくともリンク機構5より前方または後方に配置され、少なくとも車両の外面の一部を構成するフロントカバー221(車両外観部品の一例)と、
ブレーキ装置の制動力を制御する流体ユニット82と、を備えている。
リンク機構5は、
右緩衝器34の上部を車体フレーム21の上下方向に延びる右操舵軸線N2回りに回転可能に支持する右サイド部材54と、
左緩衝器33の上部を右操舵軸線N2と平行な左操舵軸線N1回りに回転可能に支持する左サイド部材53と、
右サイド部材54を右端部に車体フレーム21の前後方向に延びる右軸線(上右軸線M3および下右軸線M6)回りに回転可能に支持し、左サイド部材53を左端部に右軸線に平行な左軸線(上左軸線M2および下左軸線M5)回りに回転可能に支持し、中間部が車体フレーム21のヘッドパイプ211(リンク支持部の一例)に右軸線および左軸線に平行な中間軸線(上中間軸線M1および下中間軸線M4)回りに回転可能に支持される上クロス部材51および下クロス部材52(複数のクロス部材の一例)と、を含んでいる。
流体ユニット82は、中間軸線方向から見て、上クロス部材51および下クロス部材52を含むクロス部材50の車体フレーム21に対する可動領域Vより小さい。
流体ユニット82は、中間軸線方向から見て、クロス部材50の可動領域Vの少なくとも一部およびフロントカバー221の少なくとも一部と重なる位置で、かつ、中間軸線方向に関してクロス部材50の可動領域Vとフロントカバー221などの車両外観部品との間に配置され、リンク機構5を支持する車体フレーム21のヘッドパイプ211に支持されている。より具体的には、流体ユニット82は、中間軸線方向に関して、前可動領域VAとフロントカバー221との間に配置されている。また、流体ユニット82は、中間軸線方向に関して、後可動領域VBとフロントカバー221との間に配置されている。
そこで、本発明者は、傾斜可能な車体フレーム21と2つの前輪を備えた車両において、ある程度の容積と重量があり、外形形状の設計自由度が少なく、外形形状の凹凸が少ない流体ユニット82の配置に適した搭載場所を検討した。
しかも、リンク機構5は、車体フレーム21に回転可能に支持されており、車体フレーム21および車体フレーム21に固定されている部品に対して相対的に移動する。流体ユニット82をリンク機構5の周囲に配置すると、流体ユニット82とリンク機構5との干渉を避けるために、流体ユニット82を配置するための空間としてリンク機構5の周囲に大きな空間を確保する必要があるので、本発明者は車両の前部が大型化すると考えた。そのため、本発明者は、容積と重量が大きく凹凸の少ない外形形状を有する流体ユニット82は、リンク機構5のような可動部材の近くに設けるよりも、固定される部材に近接して配置する方が、流体ユニット82の配置による車両の前部の大型化を抑制できると考えた。本発明者は、車両の前部が大きく、傾斜する車体フレーム21と二つの前輪31,32を備えた車両において、車両の前部に流体ユニット82を配置することは、困難であると考えた。
一方、フロントカバー221などの車両外観部品の内面は、凹凸を有する複雑な内面を有することが多い。例えば、図3に示したように、フロントカバー221は、車体フレーム21の上下方向の中間部が上部または下部より車体フレーム21の前後方向の前方に位置する内面を有する。あるいは、図6に示したように、フロントカバー221は、車体フレーム21の左右方向の中間部が左部または右部より車体フレーム21の前後方向の前方に位置する内面を有する。また、車体フレーム21の後方の上部に位置してメーターパネルを支持する車体カバーにはメーターパネルの支持剛性を確保するリブ225aが設けられており、該車体カバーの内面は後方に向かって膨らんだ形状をしている。あるいは、メーターパネルの内面は端子類などが前方に突き出している。そのため、クロス部材50の可動領域Vに平面を有するリンク機構5と凹凸を有する内面を備える車両外観部品の間の隙間は、大きくなりやすい。また、クロス部材50の可動領域Vに平面があるため、該隙間を効率的に利用しにくい。
そこで、一般的に凹凸の少ない外形形状に形成される流体ユニット82を、中間軸線方向から見て、上クロス部材51および下クロス部材52を含むクロス部材50の車体フレーム21に対する可動領域Vより小さく形成し、中間軸線方向から見て、その可動領域Vの少なくとも一部およびフロントカバー221の少なくとも一部と重なる位置、かつ、中間軸線方向に関してクロス部材50の可動領域Vと車両外観部品(フロントカバー221)との間に配置することで、車両1の大型化を抑制しつつ、流体ユニット82を搭載することができる。
しかも、流体ユニット82を、クロス部材50の可動領域Vと車両外観部品221の間の隙間に配置し、リンク機構5を支持する車体フレーム21のヘッドパイプ211に支持する。車体フレーム21のヘッドパイプ211は、右前輪32および左前輪31から入力された荷重を受ける。そのため、車体フレーム21のヘッドパイプ211は、高い剛性を備えている。このヘッドパイプ211の剛性の高さを利用することで、重量物である流体ユニット82を車体フレーム21に支持する際に、車体フレーム21の剛性を高めるための構造を簡素化できる。これにより、車両1の大型化を抑制できる。
従って、傾斜可能な車体フレーム21と2つの前輪31,32を備えた車両に流体ユニット82を搭載しても、車両の大型化を抑制できる。
上クロス部材51および下クロス部材52はそれぞれ、上中間軸線M1および下中間軸線M4回りに回転する。流体ユニット82を上中間軸線M1または下中間軸線M4に近い位置に配置したので、上クロス部材51および下クロス部材52が回転したときに上クロス部材51および下クロス部材52が流体ユニット82の支持構造と干渉しにくくなる。これにより、流体ユニット82の支持構造をコンパクトにしやすい。
(3)の構成によれば、フロントカバー221の外面を車体フレーム21の前後方向に凸形状または凹形状または傾斜面形状に形成して、車両1の外観品質を向上することができる。しかも、車体フレーム21の前後方向に凸形状または凹形状または傾斜面形状に形成したフロントカバー221の外面と平面を有するクロス部材50の可動領域Vの間に流体ユニット82を配置することにより、傾斜可能な車体フレームと2つの前輪を備えた車両1に流体ユニット82を搭載しても、外観品質の向上を図りつつ車両の大型化を抑制できる。
(4)の構成によれば、フロントカバー221の外面を車体フレーム21の前後方向に凸形状または凹形状または傾斜面形状に形成して、車両1の外観品質を向上することができる。しかも、車体フレーム21の前後方向に凸形状または凹形状または傾斜面形状に形成したフロントカバー221の外面と平面を有するクロス部材50の可動領域Vの間に流体ユニット82を配置することにより、傾斜可能な車体フレームと2つの前輪を備えた車両1に流体ユニット82を搭載しても、外観品質の向上を図りつつ車両の大型化を抑制できる。
(5)の構成によれば、流体ユニット82が有する面のうち、広い平面を有するクロス部材50の可動領域Vに近い端面を広く形成し、フロントカバー221に近い端面を小さく形成したため、車両の大型化を抑制しつつ、流体ユニットを搭載することができる。
次に、本発明の第二実施形態に係る車両について、図8および図9を用いて説明する。以下の説明では、上述した第一実施形態と異なる点を説明し、同様な構成は同じ符号を付してその説明は省略する。第二実施形態の車両は、上述した第一実施形態の車両と、流体ユニット82Aの配置位置が異なる。図8は、第二実施形態に係る車両の図3と同様の図である。図9は、図8のIX矢視図である。
次に、本発明の第三実施形態に係る車両について、図10および図11を用いて説明する。以下の説明では、上述した第一実施形態と異なる点を説明し、同様な構成は同じ符号を付してその説明は省略する。第二実施形態の車両は、上述した第一実施形態の車両と、流体ユニット82の配置位置が異なる。図10は、第三実施形態に係る車両の図8と同様の図である。図11は、第三実施形態に係る車両の図9と同様の図である。
流体ユニット82Bは、上中間軸線M1方向に関して、前上クロス部材51Aと後上クロス部材51Bの間に配置されている。流体ユニット82Bは、上中間軸線M1方向に関して、前上クロス部材51Aとレッグシールド225との間で、後上クロス部材51Bとフロントカバー221との間に配置されている。流体ユニット82Bは、上中間軸線M1方向に関して、前下クロス部材52Aとレッグシールド225との間に配置されている。流体ユニット82Bは、上中間軸線M1方向に関して、後下クロス部材52Bとフロントカバー221との間に配置されている。
流体ユニット82Bは、上中間軸線M1方向から見て、前上クロス部材51Aおよび前下クロス部材52Aを含む前クロス部材50Aの車体フレーム21に対する前可動領域VAより小さい。また、流体ユニット82Bは、上中間軸線M1方向から見て、前クロス部材50Aの可動領域VAの少なくとも一部およびレッグシールド225の少なくとも一部と重なる位置に配置される。かつ、流体ユニット82Bは、上中間軸線M1方向に関して前上クロス部材51Aとレッグシールド225との間に配置され、リンク機構5を支持する車体フレーム21のヘッドパイプ211に支持されている。
流体ユニット82Bは、上中間軸線M1方向に関して前上クロス部材51Aおよび前下クロス部材52Aを含む前クロス部材50Aの車体フレーム21に対する可動領域VAとレッグシールド225との間に配置され、リンク機構5を支持する車体フレーム21のヘッドパイプ211に支持されている。流体ユニット82Bは、上中間軸線M1方向から見て、後上クロス部材51Bおよび後下クロス部材52Bを含む後クロス部材50Bの車体フレーム21に対する可動領域VBより小さい。また、流体ユニット82Bは、上中間軸線M1方向から見て、後クロス部材50Bの可動領域VBの少なくとも一部およびレッグシールド225の少なくとも一部と重なる位置に配置される。かつ、流体ユニット82Bは、上中間軸線M1方向に関して後上クロス部材51Bとフロントカバー221との間に配置され、リンク機構5を支持する車体フレーム21のヘッドパイプ211に支持されている。流体ユニット82Bは、上中間軸線M1方向に関して後上クロス部材51Bおよび後下クロス部材52Bを含む後クロス部材50Bの車体フレーム21に対する可動領域VBとフロントカバー221との間に配置され、リンク機構5を支持する車体フレーム21のヘッドパイプ211に支持されている。
以上、本発明をその第一実施形態から第三実施形態を用いて説明したが、本発明の技術的範囲は上記実施形態に記載の範囲には限定されない。上記実施形態に多様な変更または改良を加えることができることは、当業者にとって明らかである。
本明細書において、「平行」は、±40°の範囲で傾斜し、部材として交わらない2つの直線も含む。本発明において、「方向」および「部材」等に対して「沿う」は、±40°の範囲で傾斜する場合も含む。本発明において、「方向」に対して「延びる」は、±40°の範囲で傾斜する場合も含む。
本発明に係る車両は、傾斜可能な車体フレームと2つの前輪を備えた車両である。後輪の数は1つに限らず2つでも良い。また、車体フレームを覆う車体カバーを備えていても良い。車体フレームを覆う車体カバーを備えていなくても良い。パワーユニットは、動力源を含む。動力源は、エンジンに限らず電動モータであっても良い。
上記各実施形態においては、車体フレーム21を側方から見て、右サイド部材53、左サイド部材54およびヘッドパイプ211(リンク支持部)は、重なる位置に設けられている。しかしながら、車体フレーム21を側方から見て、右サイド部材53と左サイド部材54に対しヘッドパイプ211が前後方向の異なる位置に設けられていてもよい。また、右サイド部材53と左サイド部材54の車体フレーム21の上下方向に対する傾斜角度が、ヘッドパイプ211の傾斜角度と異なっていてもよい。
なお、リンク支持部(ヘッドパイプ)は、一片の部品で構成されていても、複数の部品で構成されていても良い。複数の部品で構成されている場合、溶接、接着などにより結合されていても、ボルト、リベットなどの締結部材で結合されていても良い。
なお、上クロス部材は、一片の部品で構成される上前クロス部材、一片の部品で構成される上後クロス部材、およびそれらの間に設けられ、複数の部品で構成される連結部材を含んでいても良い。複数の部品で構成されている場合、溶接、接着などにより結合されていても、ボルト、リベットなどの締結部材で結合されていても良い。
本実施例において、車体フレームは、リンク支持部と連結部材(上前後フレーム部)とダウンフレーム(上下フレーム部)とアンダーフレーム(下前後フレーム部)を有し、それらが溶接により接続されている。しかしながら、本発明の車体フレームは上記実施形態に限定されない。車体フレームは、リンク支持部と上前後フレーム部と上下フレーム部と下前後フレーム部を有していればよい。例えば、車体フレームは、鋳造等により全部または一部が一体に形成されていてもよい。また、車体フレームは、上前後フレーム部と上下フレーム部が1つの部材で構成されていてもよいし、別部材で構成されていてもよい。
本実施形態において、ステアリングシャフトの回転軸線SAと車体フレームの上下方向のなす鋭角は、右緩衝器および左緩衝器の伸縮方向と車体フレームの上下方向とがなす鋭角は一致している。しかしながら、本発明においては、上記実施形態に限定されない。例えば、ステアリングシャフトの回転軸線と車体フレームの上下方向のなす鋭角は、右緩衝器および左緩衝器の伸縮方向と車体フレームの上下方向とがなす鋭角よりも小さくても良いし、大きくてもよい。
また、本実施形態において、ステアリングシャフトの回転軸線と右緩衝器および左緩衝器の伸縮方向は、一致している。しかしながら、本発明においては、上記実施形態に限定されない。車両直立状態の側面視で、ステアリングシャフトの回転軸線と右緩衝器および左緩衝器の伸縮方向は、前後方向に離間していてもよい。また、例えば、交差していてもよい。
なお、本発明では、リンク機構は、上クロス部材と下クロス部材の他にさらにクロス部材を備えていても良い。上クロス部材と下クロス部材は、相対的な上下関係で命名しているに過ぎない。上クロス部材は、リンク機構における最上位のクロス部材を示していない。上クロス部材は、それより下方の別のクロス部材より上方にあるクロス部材を意味する。下クロス部材は、リンク機構における最下位のクロス部材を示していない。下クロス部材は、それより上方の別のクロス部材より下方にあるクロス部材を意味する。また、クロス部材は、右クロス部材と左クロス部材の2つの部品で構成されていても良い。このように、上クロス部材および下クロス部材は、リンク機能を有する範囲で、複数のクロス部材で構成しても良い。さらに、上クロス部材と下クロス部材の間に他のクロス部材を設けても良い。リンク機構は、上クロス部材および下クロス部材を含んでいれば良い。
本出願は、2012年12月21日に提出された日本国特許出願2012-278878、2012年12月21日に提出された日本国特許出願2012-278879及び2013年7月1日に提出された日本国特許出願2013-138481に基づくものであり、その内容はここに参照として取り込まれる。
2:車体本体
21:車体フレーム
211:ヘッドパイプ
211a:第一貫通部
211b:第二貫通部
212:フロントフレーム
213:リアフレーム
22:車体カバー
221:フロントカバー
222:ウィンドシールド
223:フロントフェンダー
224:リアフェンダー
225:レッグシールド
23:ハンドル
24:シート
25:パワーユニット
3:左右一対の前輪
31:左前輪
32:右前輪
335:第一ブラケット
336:第二ブラケット
33:左緩衝器
34:右緩衝器
4:後輪
5:リンク機構
51:上クロス部材
513:第一貫通穴
52:下クロス部材
523:第二貫通穴
53:左サイド部材
54:右サイド部材
6:タイロッド
60:ステアリングシャフト
7:取付ブラケット
81:ヘッドランプ
82,82A,82B:流体ユニット
A1:上中間軸線
A2:下中間軸線
Claims (14)
- 車体フレームと、
車両の前方から見て左右に配置され、操舵可能な左前輪および右前輪と、
前記左前輪および前記右前輪より後方に配置された後輪と、
前記右前輪、前記左前輪および後輪のいずれか一つに設けられた液圧式制動装置と、
下部に前記左前輪を支持し、上部に対する前記左前輪の前記車体フレームの上下方向における変位を緩衝する左緩衝装置と、
下部に前記右前輪を支持し、上部に対する前記右前輪の前記車体フレームの上下方向における変位を緩衝する右緩衝装置と、
前記右緩衝装置の上部を前記車体フレームの上下方向に延びる右操舵軸線回りに回転可能に支持する右サイド部材と、前記左緩衝装置の上部を前記右操舵軸線と平行な左操舵軸線回りに回転可能に支持する左サイド部材と、前記右サイド部材を右端部に前記車体フレームの前後方向に延びる右軸線回りに回転可能に支持し、前記左サイド部材を左端部に前記右軸線に平行な左軸線回りに回転可能に支持し、中間部が前記車体フレームのリンク支持部に前記右軸線および前記左軸線に平行な中間軸線回りに回転可能に支持される複数のクロス部材と、を含むリンク機構と、
前記車体フレームの前後方向において、少なくとも前記リンク機構より前方または後方に配置され、少なくとも車両の外面の一部を構成する車両外観部品と、
液圧式制動装置の制動力を制御する流体ユニットと、を備えた車両であって、
前記流体ユニットは、
前記中間軸線方向から見て、前記クロス部材の前記車体フレームに対する可動領域より小さく、
前記中間軸線方向から見て、前記可動領域の少なくとも一部および前記車両外観部品の少なくとも一部と重なる位置で、かつ、前記中間軸線方向に関して前記可動領域と前記車両外観部品との間に配置され、
前記リンク機構を支持する前記車体フレームの前記リンク支持部に支持されている、車両。 - 前記流体ユニットは、前記中間軸線方向から見て、前記クロス部材の左端部および右端部よりも前記中間軸線に近い位置に配置されている、請求項1に記載の車両。
- 前記車両外観部品は、前記車体フレームの左右方向の中間部が右部または左部より前記車体フレームの前後方向の前方または後方に位置する外面を備え、
前記流体ユニットは、前記中間軸線方向に関して、前記可動領域と前記車両外観部品の前記外面の間に配置されている、請求項1または2に記載の車両。 - 前記車両外観部品は、前記車体フレームの上下方向の中間部が上部または下部より前記車体フレームの前後方向の前方または後方に位置する外面を備え、
前記流体ユニットは、前記中間軸線方向に関して、前記可動領域と前記車両外観部品の前記外面の間に配置されている、請求項1から3のいずれか一項に記載の車両。 - 前記流体ユニットは、前記中間軸線と交差し、前記車両外観部品より前記可動領域に近い端面が、前記中間軸線と交差し、前記可動領域より前記車両外観部品に近い端面より広く形成されている、請求項1から4のいずれか一項に記載の車両。
- 前記リンク機構は、ステアリングシャフトとともに回転し、前記ステアリングシャフトの回転を前記左前輪および前記右前輪に伝達するタイロッドを有し、
前記流体ユニットは、前記中間軸線方向から見て前記タイロッドより上方に設けられている、請求項1から5のいずれか一項に記載の車両。 - 前記リンク支持部と前記リンク機構との間の支持長さは、前記流体ユニットと前記リンク支持部との間の支持長さよりも短い、請求項1から6のいずれか一項に記載の車両。
- 前記中間軸線方向に関して、前記リンク支持部、前記リンク機構、前記流体ユニットがこの順に並んでいる、請求項1から7のいずれか一項に記載の車両。
- 前記車体フレームの上下方向から見て、前記流体ユニットは前記リンク機構より小さい、請求項1から7のいずれか一項に記載の車両。
- 前記中間軸線方向に関して、前記車体フレームは前記リンク機構と前記流体ユニットとの間に配置されている、請求項1から6のいずれか一項に記載の車両。
- 前記車体フレームの上下方向から見て、前記リンク機構は前記リンク支持部および前記流体ユニットより大きい、請求項10に記載の車両。
- 前記車体フレームの上下方向から見て、前記リンク機構は前記流体ユニットより大きく、前記流体ユニットは前記リンク支持部より車体フレームの左方または右方に配置されている、請求項1から6のいずれか一項に記載の車両。
- 前記中間軸線方向に関して、前記流体ユニットは、前記リンク機構と前記リンク支持部の占める領域の内部に配置されている、請求項12に記載の車両。
- 前記流体ユニットは、前記中間軸線方向から見て、前記左前輪の中心線と前記右前輪の中心線との間の中心線上に、少なくとも一部が重なるように配置されている、請求項2に記載の車両。
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ES2704499T3 (es) | 2019-03-18 |
EP2923931A4 (en) | 2016-01-13 |
US20150307149A1 (en) | 2015-10-29 |
CN104487332A (zh) | 2015-04-01 |
US9434439B2 (en) | 2016-09-06 |
US20150344097A1 (en) | 2015-12-03 |
BR112015014908A2 (pt) | 2017-07-11 |
ES2759322T3 (es) | 2020-05-08 |
CN104487332B (zh) | 2018-02-16 |
EP2923931B1 (en) | 2019-08-28 |
BR112015014908B1 (pt) | 2021-07-27 |
EP2923933A4 (en) | 2016-01-13 |
US9758207B2 (en) | 2017-09-12 |
MX2015007765A (es) | 2015-09-04 |
MX352173B (es) | 2017-11-13 |
CN104487331B (zh) | 2017-10-03 |
EP2923933A1 (en) | 2015-09-30 |
WO2014098236A1 (ja) | 2014-06-26 |
EP2923931A1 (en) | 2015-09-30 |
JPWO2014098236A1 (ja) | 2017-01-12 |
TW201433491A (zh) | 2014-09-01 |
CN104487331A (zh) | 2015-04-01 |
AP2015008544A0 (en) | 2015-06-30 |
EP2923933B1 (en) | 2018-10-03 |
TWI530426B (zh) | 2016-04-21 |
TW201429788A (zh) | 2014-08-01 |
TWI530428B (zh) | 2016-04-21 |
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