CN107010155A - front fork and straddle-type vehicle - Google Patents
front fork and straddle-type vehicle Download PDFInfo
- Publication number
- CN107010155A CN107010155A CN201710058567.8A CN201710058567A CN107010155A CN 107010155 A CN107010155 A CN 107010155A CN 201710058567 A CN201710058567 A CN 201710058567A CN 107010155 A CN107010155 A CN 107010155A
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- China
- Prior art keywords
- front fork
- guide portion
- liquid
- wheel
- overall width
- Prior art date
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Classifications
-
- 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
- B62K21/00—Steering devices
- B62K21/02—Front wheel forks or equivalent, e.g. single tine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
- Braking Arrangements (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention provides a kind of front fork and Straddle-type vehicle, the front fork is the front fork (30) of the Straddle-type vehicle of the axletree (3a) for support front wheel (3), guide portion (40) is provided with the inside of the overall width direction of front fork (30), it guides the flowing for the liquid being attached on front fork (30).
Description
Technical area
The present invention relates to front fork and Straddle-type vehicle.
Background technology
As conventional Straddle-type vehicle, such as with the straddle riding type car disclosed in Japanese Unexamined Patent Publication 2-200591
.In this Straddle-type vehicle, in the overall width direction outside portion of axle retainer (axle holder) provided with fork guard member
(fork protector), and it is configured with air-brake coupling hose between axle retainer and fork guard member.In the overall width side of axle retainer
Outside sidepiece, is provided with a pair of the projections protruded towards fork guard member in the way of guiding air-brake coupling hose.
But, in the Straddle-type vehicle as disclosed in Japanese Unexamined Patent Publication 2-200591, it is possible to because of axle retainer
Dimension and shape and cause the liquid of the rainwater and muddy water that are attached on axle retainer etc. to be moved to front disk braker.
The content of the invention
It is an object of the present invention to provide a kind of front fork, the front fork is the front fork of Straddle-type vehicle, and the car of support front wheel
Axle, can suppress the movement of the liquid that is attached on front fork to front disk braker.
In order to solve above-mentioned problem, the present invention uses following composition.
(1) form of the invention provides a kind of front fork, and it is the Straddle-type vehicle of the axletree for support front wheel
Front fork, wherein, guide portion is provided with the inside of the overall width direction of the front fork, it guides the stream for the liquid being attached on the front fork
It is dynamic.
(2) in above-mentioned front fork, or, the front fork has：The top cylinder and lower sleeve vertically configured
Body；With for the lower cylinder with reference to and support the axle retainer of the axletree, the guide portion configuration is kept in the axle
On the inside of the overall width direction of frame.
(3) in above-mentioned front fork, or, the front fork is inverted front fork.
(4) in above-mentioned front fork, or, before the guide portion is located at described in a pair configured side by side along overall width direction
Among fork and side stand side is on the front fork of opposite side.
(5) in above-mentioned front fork, or, the guide portion have the upper guide portion that vertically configures side by side and under
Guide portion.
(6) in above-mentioned front fork, under side view, the upper guide portion is tilted in the way of being more close to front side and being located lower section
Ground is extended in the longitudinal, under side view, and the front end of the upper guide portion is compared with the rear end of the lower guide portion extended in the longitudinal
It is located behind positioned at front, and compared with the front end of the lower guide portion.
(7) in above-mentioned front fork, or, under side view, the lower guide portion has the shape of V shape.
(8) in above-mentioned front fork, or, the guide portion is the flank being integrally formed with the front fork.
(9) another form of the invention provides a kind of Straddle-type vehicle, and it has in any one of above-mentioned (1) to (8) institute
The front fork stated, or, also there is front disk braker in the Straddle-type vehicle, it is configured on overall width direction and side
The relative side in the side of support.
According to the front fork of above-mentioned (1), guide portion is provided with the inside of the overall width direction of front fork, its guiding is attached on front fork
The flowing of liquid, thus in the case that the liquid of rainwater and muddy water etc. is attached on front fork, can also pass through guiding
Portion guides the flowing of liquid.For example, guide portion ordinatedly is set into various sizes and shape with the dimension and shape of front fork
Shape, the flowing thus, it is possible to guide liquid in the way of making liquid be dripped from contemplated position.Therefore, it is possible to suppress to be attached to
Liquid on front fork is delivered on front disk braker.In addition, the situation with being provided with guide portion on the outside of the overall width direction of front fork
Compare, due to becoming to be difficult to observe by guide portion from outside, so aesthetic appearance can be lifted.
According to the front fork of above-mentioned (2), by the way that on the inside of the overall width direction of axle retainer, guide portion configuration can be suppressed into stream
Liquid to axle retainer is delivered to front disk braker.
According to the front fork of above-mentioned (3), by making front fork be inverted front fork, compared with the situation of just vertical front fork, due to
Easily form concavo-convex on front fork, so suppressing liquid and being delivered to via front fork on front disk braker this aspect to become especially to have
Effect.
According to the front fork of above-mentioned (4), by the way that guide portion to be located at and is provided with the front fork that the side of side stand is opposite side,
Because when being stopped using side stand, vehicle is tilted to the side provided with side stand, so as much as possible towards towards side stand side
Liquid is dredged on the inside of the overall width direction of inclined front fork.Further, it is possible to guided by guide portion dredge come liquid stream
It is dynamic, and the liquid hung on the inside of the overall width direction of front fork can be guided by wheel.Therefore, when being stopped using side stand
The liquid that positively can suppress to be attached on front fork is delivered on front disk braker.
According to the front fork of above-mentioned (5), guide portion has upper guide portion and lower guide portion, even if thus assuming that liquid exceedes
Upper guide portion is flowed downwards, and the liquid flow down can be also guided by lower guide portion.In addition, with only having a guiding
The situation in portion is compared, and can suppress the maximization of guide portion.Therefore, it is possible to suppress the maximization of guide portion, and can be certain
The liquid that ground suppresses to be attached on front fork is delivered to front disk braker.
According to the front fork of above-mentioned (6), under side view, upper guide portion by be more close to front side be located lower section in the way of obliquely
Extend in the longitudinal, the liquid thus hung to upper guide portion can flow towards the front end of upper guide portion.In addition, under side view, on
The front end of guide portion is located at front compared with the rear end of the lower guide portion extended in the longitudinal, and compared with the front end of lower guide portion
It is located behind, thus being hung downwards from the front end of upper guide portion even if liquid also can be by lower guide portion hangs to guide
Liquid.It is delivered to therefore, it is possible to the liquid that more positively suppression is attached on front fork on front disk braker.
According to the front fork of above-mentioned (7), under side view, lower guide portion has the shape of V shape, thus enables that and hangs
Liquid be pooled to the tops of V words, thus enable that liquid drips to arbitrary place.
According to the front fork of above-mentioned (8), guide portion is the flank being integrally formed with front fork, be thus compared to guide portion with
The situation that front fork is not integrally formed, can simplify guide portion.In addition, can be by simply constituting reinforcement front fork.
According to the Straddle-type vehicle of above-mentioned (9), also there is preceding disc type brake in the Straddle-type vehicle with the front fork
Device, it is configured on overall width direction the side relative with the side of side stand, thus plays following effect.Using collateral
Vehicle is tilted to the side provided with side stand during the parking of frame.Therefore, tilted as much as possible towards towards the side provided with side stand
Front fork overall width direction on the inside of dredge liquid.Further, it is possible to guide the liquid hung on the inside of the overall width direction of front fork by wheel
Body.In addition, when being stopped using side stand, it is opposite side to flow to the liquid of wheel and be not transferred to the side for being provided with side stand
Front disk braker on.Therefore, when being stopped using side stand, the liquid transmission being attached on front fork can positively be suppressed
Onto front disk braker.
Brief description of the drawings
Fig. 1 is the left side view of the two-wheeled motorcycle of embodiments of the present invention.
Fig. 2 is the right side view of the front lower portion of above-mentioned two-wheeled motorcycle.
Fig. 3 is the front view of the front fork on the right side of above-mentioned two-wheeled motorcycle.
Fig. 4 is the left side view of the axletree support of the front fork on above-mentioned right side.
Fig. 5 is the right side view for illustrating the effect of the front fork side guide in above-mentioned front fork.
Fig. 6 is the right side view of the wheel of above-mentioned two-wheeled motorcycle.
Fig. 7 is the right side view for illustrating the effect of the wheel side guide in above-mentioned wheel.
Embodiment
Hereinafter, embodiments of the present invention are explained with reference to.In addition, if without especially recording, following
Explanation in the direction all around waited, be towards identical with the vehicle in following explanation.In addition, in the following description
Used in figure in appropriate location on, shown with represent the arrow FR of vehicle front, represent the arrow LH of vehicle left with
And represent the arrow UP of vehicle up direction.
<Vehicle is overall>
Fig. 1 is denoted as the two-wheeled motorcycle 1 of Straddle-type vehicle one.Reference picture 1, two-wheeled motorcycle 1 has：Front-wheel 3,
It operates direction by handlebar 5；With trailing wheel 4, it is driven by the power unit 10 including engine.Hereinafter, with general
Two-wheeled motorcycle is only called the situation of " vehicle ".
Steering part including handlebar 5 and front-wheel 3 can turn to ground pivot suspension and be formed at the front end of vehicle body frame 2
In the head tube 20 in portion.The handlebar steering spindle (not shown) being connected with handlebar 5 is interspersed with head tube 20.Before and after vehicle body frame 2
Power unit 10 is configured with central portion.Ground pivot branch can be swung up and down centered on pivot 6a at the rear portion of power unit 10
Steering arm 6 is held.Rear shock absorber (not shown) is installed between the front portion of steering arm 6 and the rear portion of vehicle body frame 2.
For example, vehicle body frame 2 with weld etc. a variety of steel are combined as a whole by way of formed.Vehicle body frame 2 has：One
To main car frame 21, it extends and configured in left and right warpage downwards after extending from head tube 20 to the back lower place；Under (not shown)
Crossbeam, it is extended in the mutual mode of main car frame 21 for linking left and right along overall width direction；With a pair of seat beams 22, it is from left and right
The rear upper end of main car frame 21 extend and configure in left and right rearwardly and upwardly.Left and right main car frame 21 preceding bottom be provided with to
First engine lifting bracket 25 of back lower place extension.Protruded on the joggling part 21a of the main car frame 21 of left and right provided with forward downward
Second engine lifting bracket 26.Power unit 10 be arranged on the rear lower of main car frame 21 of left and right, the first engine lifting bracket 25 and
On second engine lifting bracket 26.Power unit 10 has：Crankcase 11；With the cylinder part 12 of two cylinder arranged side by side, it is under side view
Protruded from the top forward upward of crankcase 11.On the rear wall (specifically in the rear wall of cylinder head) of cylinder part 12 be provided with
Suction port connects and adjusts the throttle body (not shown) of uptake.In addition, in the top of cylinder part 12 (specifically
In the top of valve mechanism cover) connect the air cleaner (not shown) that oriented power unit 10 carries out air-breathing.Air cleaner is matched somebody with somebody
Put between the left and right main car frame 21 on overall width direction.Air cleaner makes the air-breathing to above-mentioned throttle body purifying.
On the other hand, it is connected with and connects with exhaust port on the antetheca (specifically in the antetheca of cylinder head) of cylinder part 12
Logical blast pipe (all not shown).The lower section of blast pipe from power unit 10 passes through, with configuration in the right side side of trailing wheel 4 and to oblique
The muffler (not shown) connection of back upper place extension.
In left and right, the top of main car frame 21 is configured with fuel tank 8.It is configured with the rear of fuel tank 8 and seat beam 22
Seat 9.
Vehicle body frame 2 is covered by body cover 7.Body cover 7 has：Front shroud 7a, it covers the front portion of vehicle body frame 2；Cover front side
7b, it covers the anterior side of vehicle body frame 2；7c is covered at bottom, and it covers the bottom of vehicle body frame 2；With back cover 7d, it covers vehicle body frame 2
Rear portion.
In addition, reference 15 represents that front mudguard, reference 16 represent rear mudguard, reference 17 in Fig. 1
Represent that main pedal, reference 18 represent side stand.Side stand 18 is arranged on the bottom of vehicle body frame 2 on the left of overall width direction
(specifically in the posterior end portion of left main car frame 21).
<Front fork>
With reference to reference picture 1 and Fig. 2, two-wheeled motorcycle 1 also has a pair of front forks 30, the axletree 3a of its support front wheel 3 and
Configuration is in left and right.Under Fig. 1 side view, left and right front fork 30 is obliquely vertically prolonged in the way of being more close to front side and being located lower section
Stretch.
As shown in Fig. 2 front fork 30 has：The top cylinder 31 and lower cylinder 32 vertically configured；With supply lower sleeve
The bottom combination of body 32 and bearing axle 3a axle retainer 33.Top cylinder 31 is cylindrical outer tube.Lower sleeve
It is in the cylindric inner tube thinner than top cylinder 31 that body 32, which is,.That is, front fork 30 is inverted front fork.
<Axle retainer>
Axle retainer 33 is provided with the bottom of front fork 30.Under side view, axle retainer 33 be in be more close to front side more
The Y shape that underlying mode obliquely vertically extends.
With reference to 2~Fig. 4 of reference picture, axle retainer 33 has：Axletree support 34, its bearing axle 3a；Keep frame body
35, its bottom is connected with axletree support 34, and in the cylindrical shape thicker than lower cylinder 32；Forward extension 36, it is in Fig. 2
Side view under, from keep frame body 35 front upper part forward upward protrude after in the way of the axis along lower cylinder 32 to
Back upper place obliquely extends；With rear extension 37, it rearward dashes forward under Fig. 2 side view from the rear portion of holding frame body 35
Obliquely extend rearwardly and upwardly after going out.For example, axletree support 34, holding frame body 35, forward extension 36 and rear extension
37 are integrally formed by casting etc..
In addition, being provided with front mudguard 15 (reference picture 1) on forward extension 36.It is provided with rear extension 37：Up and down
Lug boss 37a, 37b, it is discretely configured up and down in the way of the axis along lower cylinder 32；With upper end lug boss 37c, its
Discretely configured upward from upper projecting portion 37a.
<Front fork side guide>
As shown in figure 4, being provided with front fork side guide 40 on the inside of the overall width direction of front fork 30, its guiding is attached to front fork 30
On liquid flowing.
In addition, front fork side guide 40 is equivalent to " guide portion ".Hereinafter, it is referred to as " drawing with 40 by front fork side guide
Lead the situation in portion 40 ".
Front fork side guide 40 be located at it is among the pair of right and left front fork 30 configured side by side along overall width direction, with provided with collateral
The side of frame 18 is on the front fork 30 of opposite side.That is, in the present embodiment, front fork side guide 40 is located at right front fork
On 30.Front fork side guide 40 is configured on the inside of the overall width direction of the axle retainer 33 on right front fork 30.
Front fork side guide 40 is the flank being integrally formed with axle retainer 33.Front fork side guide 40 has vertically
The upper guide portion 41 and lower guide portion 42 configured side by side.
Under Fig. 4 side view, upper guide portion 41 is configured in the boundary member with keeping frame body 35 and rear extension 37
On overlapping position.Under Fig. 4 side view, upper guide portion 41 gentle dip ground edge in the way of being more close to front side and be located lower section
Front and rear extension.
Under Fig. 4 side view, lower guide portion 42 compared with upper guide portion 41 be located at lower section, and configure with axle retainer
On 33 holding frame body 35 and the rear overlapping position of extension 37.Under Fig. 4 side view, lower guide portion 42 has top
42v is located at the V shape shapes for the front and rear central portion for keeping the bottom of frame body 35.Specifically, side view of the lower guide portion 42 in Fig. 4
Under, have：First flank 43, it gently tilts and extended in the longitudinal in the way of being more close to front side and be located lower section, and
Anterior-posterior length is longer than upper guide portion 41；Second flank 44, it is in the way of along the axis for keeping frame body 35 from the first flank
43 front end 43a extends rearwardly and upwardly.
Under Fig. 4 side view, the front end 41a of upper guide portion 41 and the first flank 43 of lower guide portion 42 rear end 43b phases
Than being located behind positioned at front, and compared with the front end 43a of the first flank 43 and the upper end 44a of the second flank 44.In Fig. 4
Side view under, the rear end 41b of upper guide portion 41 is located behind compared with the rear end 43b of the first flank 43 of lower guide portion 42.This
Outside, under Fig. 4 side view, the rear end 43b of the first flank 43 of lower guide portion 42 is with the front and rear pars intermedia of upper guide portion 41 upper
Lower section is relative upwards.
<Wheel>
With reference to reference picture 1 and Fig. 6, axletree 3a can be rotatably supported in wheel 50 via bearing (not shown)
On.Wheel 50 has：Cylindric wheel hub 51；Disk edge 52, it has circular shape of the configuration in the periphery of wheel 50, and
And tire is installed on peripheral part；With many spokes 53 (such as being seven in the present embodiment), it is outside wheel hub 51
All portions with radiated entends and connect the inner peripheral portion of the peripheral part of wheel hub 51 and disk edge 52.
For example, wheel hub 51, disk edge 52 and spoke 53 are integrally formed by casting etc..With reference to reference picture 2 and Fig. 6,
The e axle supporting portion 55 for being capable of free rotary ground supporting axletree 3a is formed with the inside of the diametric(al) of wheel hub 51.On the right side of wheel hub 51
Fastening part 56 is provided with the outside of diametric(al) on side, it is fastened with front disk braker 71.Fastening part 56 has dashes forward to the right
The cylindric shape gone out, and along axletree 3a circumferencial direction separate the compartment of terrain that is substantially equal be configured with it is multiple (for example
It is six in the present embodiment).
Provided with fastening seat 57 between e axle supporting portion 55 and fastening part 56 on the right flank of wheel hub 51, on fastening seat 57
It is fastened with Pulsar ring (pulsar ring) 81.Fastening seat 57 has to be protruded and has square under Fig. 6 side view to the right
The seat surface of shape.The compartment of terrain being substantially equal is separated along axletree 3a circumferencial direction and is configured with multiple (such as in this embodiment party
It is three in formula) fastening seat 57.It is not adjacent to each other among each fastening seat 57 and six fastening parts 56 (that is to separate one
Ground configure) three fastening parts 56 connect.
On wheel hub 51, the perforation 51h for running through wheel hub 51 along overall width direction is formed with.Under Fig. 6 side view, perforation
51h has the long hole shape along axletree 3a circumferencial direction.The interval being substantially equal is separated along axletree 3a circumferencial direction
Ground is configured with multiple (being for example six in the present embodiment) perforation 51h.51h is on axletree 3a circumferencial direction for each perforation
Configured with fastening the mode arranged side by side of seat 57 between two adjacent fastening parts 56.
<Wheel side guide>
As shown in fig. 6, being provided with wheel side guide 60 on the outside of the overall width direction of wheel 50, its guiding is attached to wheel 50
On liquid flowing.Wheel side guide 60 is located at relative with the side provided with side stand 18 side on overall width direction.
That is, in the present embodiment, wheel side guide 60 is located at the right side of wheel 50.
Wheel side guide 60 is the flank being integrally formed with wheel 50.Under Fig. 6 side view, wheel side guide 60
Be formed as convex to turn into the raised mode relaxed towards wheel hub 51.Wheel side guide 60 configure by axletree 3a with fastening
On the dummy line C1 that portion 56 links.Herein, dummy line C1 be link axletree 3a center P1 and fastening part 56 center P2 it
Between virtual line.Under Fig. 6 side view, wheel side guide 60 has：Extension 61, it with dummy line C1 to intersect vertically
Mode extend；With connecting portion 62, it is by between the both ends of the extension 61 on axletree 3a circumferencial direction and perforation 51h
Connection.
On axletree 3a circumferencial direction, extension 61 is configured between two adjacent perforation 51h.Extension 61 is along car
Axle 3a circumferencial direction separates the compartment of terrain being substantially equal and is configured with multiple (such as being three in present embodiment).Each prolongs
Extending portion 61 and (that is separating a ground configuration) non-conterminous among six fastening parts 56 and do not connect with fastening seat 57
Three fastening parts 56 connect are connected.
In axletree 3a diametric(al), the medial extremity of extension 61 is compared with the outboard end for the 51h that perforates slightly within straight
On the inside of the direction of footpath.Connecting portion 62 (is that is got over perforation 51h's on the circumferencial direction of axletree with more being left from extension 61
Outboard end is approached) mode that is located on the outside of axletree 3a diametric(al) gently tilts and extends.
<Brake apparatus>
As shown in Fig. 2 two-wheeled motorcycle 1 (reference picture 1) also has the brake apparatus 70 of disc type.Brake apparatus 70 has：
Circular front disk braker 71, it integratedly rotates with front-wheel 3；Caliper 72, it is in braking to front disk braker
71 pay frictional force.
Front disk braker 71 is configured at relative with the side provided with side stand 18 side on overall width direction.Namely
Say, in the present embodiment, front disk braker 71 is arranged on the right side of the wheel 50 of front-wheel 3.Front disk braker 71
Configured with one heart with wheel 50.
Front disk braker 71 has：Circular retainer walls 71a, it is clamped in braking by caliper 72；And disc type
Attached portion 71b, it is configured on the inside of retainer walls 71a diametric(al), and with the thickness side of front disk braker 71
The multiple through hole 71h extended upward through.Front disk braker 71 is on the right sides of the disc type attached portion 71b by bolt etc. and wheel 50
Each fastening part 56 (reference picture 6) fastening of sidepiece.
Caliper 72 is supported in caliper bracket 90, and the caliper bracket 90 is arranged on the front fork 30 on right side.Brake is soft
The one end of pipe 73 is connected with caliper 72.The other end of brakehose 73 is via ABS (anti-skid braking systems (not shown)
System) loop is connected with brake bar.In addition, the reference 74 in figure is can to discharge the air in caliper 72 to outside
Breather valve.
<Wheel speed detector>
As shown in Fig. 2 two-wheeled motorcycle 1 (reference picture 1) also has the wheel speed detection dress of the rotary speed of detection front-wheel 3
Put 80.Wheel speed detector 80 has：Circular Pulsar ring 81, it integratedly rotates with front-wheel 3；With collection sensing
Device 82, it detects the rotation of Pulsar ring 81.
Pulsar ring 81 is arranged on the right side of the wheel 50 of front-wheel 3.Pulsar ring 81 is configured in preceding disc type brake
On the right side of the overall width direction of device 71.Pulsar ring 81 is configured on the inside of the diametric(al) of front disk braker 71.Pulsar ring
81 configure with one heart with wheel 50.
Pulsar ring 81 has：Circular base wall 81a, it separates what is be substantially equal along the circumferencial direction of itself
Multiple collection holes (not shown) are alternately formed；Pacified with multiple (such as being three in the present embodiment) tongue-shaped ring
Dress portion 81b, it is prominent from base wall 81a Inner peripheral portions to diametric(al) inner side.Pulsar ring 81 is in ring attached portion 81b
It is upper to be fastened by bolt etc. and each fastening seat 57 (reference picture 6) of the right side of wheel 50.
With reference to reference picture 2 and Fig. 3, collection sensor 82 is supported by caliper bracket 90.Under Fig. 3 main view, collection is passed
Sensor 82 is configured at the rear of front fork 30 in the mode overlapping with front fork 30.Gathering sensor 82 has gathering line (not shown)
Circle, it changes according to the flux of the rotation with Pulsar ring 81 and produces pulse signal.The one end of sensor wire 83
It is connected with collection sensor 82.The other end of sensor wire 83 is connected with control unit (not shown).Thus, adopted by above-mentioned
The pulse signal that collection coil is produced is exported to control unit.For example, above-mentioned pulse signal to be used for the detection of the slip rate of front-wheel 3
And the detection of speed etc..
<Caliper bracket>
With reference to reference picture 3 and Fig. 5, caliper bracket 90 has has thickness and vertically extending along overall width direction
Shape.Caliper bracket 90 has：Bracket is by fastening part 91, and it is upper by bolt etc. and the rear extension 37 of axle retainer 33
Lower convex portion 37a, 37b are fastened；Clamp fastening part 92, it is fastened with caliper 72 by bolt etc.；With sensor mount 93,
It is provided with collection sensor 82.In addition, being configured with above the upper end of caliper bracket 90 for keeping sensor wire
83 holding support member 94.Keep upper end lug boss of the support member 94 by bolt etc. and the rear extension 37 of axle retainer 33
37c is fastened.
Sensor wire 83 extends upward from collection sensor 82, in the overall width of the rear extension 37 from axle retainer 33
On the inside of direction by and rearward warpage, and the guarantor above caliper bracket 90 after gently warpage extends rearwardly and upwardly simultaneously
Support member 94 is held to support.Also, sensor wire 83 after extension is gently tilted rearwardly and upwardly, and warpage extends upward,
And configured together with brakehose 73 towards vehicle body frame 2 (reference picture 1).Thus, with the rear extension in axle retainer 33
The situation of sensors configured cable 83 is compared on the outside of 37 overall width direction, due to becoming to be difficult to observe by sensor wire from outside
83, so aesthetic appearance can be improved.Further, it is possible to protect sensor wire 83 by axle retainer 33.
<The effect of front fork side guide>
Hereinafter, an example of the effect of front fork side guide 40 is illustrated.In addition, embodiment is with front fork side guide
40 example, comparative example is the example without front fork side guide 40.
In Figure 5, solid arrow W1 represents the flowing of the liquid in embodiment.On the other hand, dotted arrow W2 is represented
The flowing of liquid in a comparative example.
As shown in figure 5, in a comparative example, be attached to front fork 30 lower cylinder 32 liquid because of deadweight towards lower section
Axle retainer 33 flows.Also, in a comparative example, liquid is delivered to the grade (reference of front disk braker 71 via axle retainer 33
Fig. 5 dotted arrow W2).
In this regard, in embodiment, the liquid for flowing to axle retainer 33 is guided by front fork side guide 40.It is specific next
Say, in embodiment, liquid hangs to after the upper guide portion 41 of front fork side guide 40, the liquid hung is towards upper guide portion 41
Front end 41a flowing.Afterwards, liquid hangs downwards from the front end 41a of upper guide portion 41, and towards the first of lower guide portion 42
The front end 43a flowings of flank 43.Also, liquid is directed to the top 42v of V words, and dripped by starting point of top 42v (from
By falling) (the solid arrow W1 of reference picture 5).Therefore, in embodiment, liquid can be avoided to be delivered to via axle retainer 33
Front disk braker 71 etc..
<The effect of wheel side guide>
Hereinafter, one of the effect of wheel side guide 60 is illustrated.In addition, embodiment is with wheel side guide 60
Example, comparative example is the example without wheel side guide 60.
The flowing of the liquid in embodiment is represented in Fig. 6 and Fig. 7, solid arrow W1.On the other hand, dotted arrow W2
Represent the flowing of liquid in a comparative example.
As shown in fig. 7, in a comparative example, be attached to wheel 50 wheel hub 51 liquid because of deadweight towards lower section fastening
Flow in portion 56.Also, in a comparative example, liquid is delivered to the grade (dotted line of reference picture 7 of front disk braker 71 via fastening part 56
Arrow W2).
In this regard, in embodiment, be attached to the liquid on the wheel hub 51 of wheel 50 because of deadweight the wheel side towards lower section
Guide portion 60 flows.Also, liquid is guided by wheel side guide 60.Specifically, in embodiment, as shown in fig. 6, liquid
Body hangs to after the extension 61 of wheel side guide 60, and the liquid hung flows via the end of extension 61 towards connecting portion 62
It is dynamic.Afterwards, liquid flows along connecting portion 62 and is directed into perforation 51h (the solid arrow W1 of reference picture 6).Also, such as Fig. 7
Shown, liquid is hung (the solid arrow W1 of reference picture 7) using the 51h that perforates as starting point along the spoke 53 of wheel 50.Therefore, exist
In embodiment, liquid can be avoided to be delivered to front disk braker 71 via fastening part 56.
As mentioned above, the front fork 30 of above-mentioned embodiment is the front fork 30 of two-wheeled motorcycle 1, and support front wheel 3
Axletree 3a, wherein, guide portion 40 is provided with the inside of the overall width direction of front fork 30, it, which is guided, is attached to liquid on front fork 30
Flowing.
According to this composition, in the case that the liquid of rainwater and muddy water etc. is attached on front fork 30, it can also lead to
Guide portion 40 is crossed to guide the flowing of liquid.For example, ordinatedly guide portion 40 is set as with the dimension and shape of front fork 30
Various sizes and shape, the flowing thus, it is possible to guide liquid in the way of making liquid be dripped from the position of imagination.Accordingly, it is capable to
The liquid for enough suppressing to be attached on front fork 30 is delivered to front disk braker 71.
In addition, compared with the situation provided with guide portion 40 on the outside of the overall width direction in front fork 30, due to becoming to be difficult to from outer
Portion observes guide portion 40, so aesthetic appearance can be improved.
In addition, in the above-described embodiment, guide portion 40 is configured on the inside of the overall width direction of axle retainer 33, thus, it is possible to
The enough liquid for suppressing to flow to axle retainer 33 is delivered to front disk braker 71.
In addition, in the above-described embodiment, front fork 30 is inverted front fork, thus compared with the situation of just vertical front fork,
It can easily form bumps on front fork 30, therefore be delivered to suppressing liquid via front fork 30 on front disk braker 71 this aspect
Can be especially effective.
In addition, in the above-described embodiment, the front fork that guide portion 40 is located at the side provided with side stand 18 is opposite side
On 30, thus when being stopped using side stand, vehicle is tilted to the side provided with side stand 18.Therefore, as much as possible towards court
Liquid is dredged on the inside of the overall width direction of the inclined front fork 30 in side provided with side stand 18.Further, it is possible to by guide portion 40 come
The flowing of the liquid come is dredged in guiding, and the liquid hung on the inside of the overall width direction of front fork 30 can be guided by wheel 50
Body.Therefore, disc type brake before the liquid that can positively suppress to be attached on front fork 30 when being stopped using side stand is delivered to
On device 71.
In addition, in the above-described embodiment, guide portion 40 has upper guide portion 41 and lower guide portion 42, even if thus false
If liquid flows downwards more than upper guide portion 41, can also the liquid flow down be guided by lower guide portion 42.In addition, with only
Have a case that a guide portion is compared, the maximization of guide portion 40 can be suppressed.Therefore, it is possible to suppress the large-scale of guide portion 40
Change, and the liquid that can positively suppress to be attached on front fork 30 is delivered on front disk braker 71.
In addition, in the above-described embodiment, under side view, upper guide portion 41 is in the way of being more close to front side and be located lower section
Obliquely extend in the longitudinal, the liquid thus hung to upper guide portion 41 flows towards the front end 41a of upper guide portion 41.In addition,
Under side view, the front end 41a of upper guide portion 41 is located at front compared with the rear end 43b of the lower guide portion 42 extended in the longitudinal, and
And be located behind compared with the front end 43a of lower guide portion 42, even if thus liquid hangs down downwards from the front end 41a of upper guide portion 41
Fall, can also the liquid for hanging be guided by lower guide portion 42.Therefore, it is possible to more positively suppress to be attached to front fork 30
On liquid be delivered on front disk braker 71.
In addition, in the above-described embodiment, under side view, lower guide portion 42 has the shape of V shape, thus enables that vertical
The liquid fallen is pooled to the top 42v of V words, thus enables that liquid drips to arbitrary place.
In addition, in the above-described embodiment, guide portion 40 is the flank being integrally formed with front fork 30, is thus compared to
The situation that guide portion 40 is not integrally formed with front fork 30, can simplify guide portion.In addition, simple structure can be passed through
Into reinforcement front fork 30.
In addition, in the above-described embodiment, also there is front disk braker in the two-wheeled motorcycle 1 with front fork 30
71, it is configured at relative with the side provided with side stand 18 side on overall width direction, thus plays following effect.Make
Tilted to the side provided with side stand 18 with vehicle during the parking of side stand, so as much as possible towards towards provided with side stand 18
Liquid is dredged on the inside of the overall width direction of the inclined front fork 30 in side.Further, it is possible to guide the overall width from front fork 30 by wheel 50
The liquid hung on the inside of direction.In addition, in the parking using side stand, the liquid for flowing to wheel 50 is not transferred to and is provided with
On the front disk braker 71 of the relative side in the side of side stand 18.Therefore, can be certain in the parking using side stand
The liquid that ground suppresses to be attached on front fork 30 is delivered on front disk braker 71.
In addition, in the above-described embodiment, being illustrated, being not limited to so that front fork 30 is inverted front fork as an example
This.For example, front fork 30 can also be just vertical front fork.
In addition, in the above-described embodiment, the front fork with being provided with the side of side stand 18 as opposite side is located at using guide portion 40
It is illustrated exemplified by 30, is not limited to this.For example, guide portion 40 can also be located at the front fork provided with the side of side stand 18
On 30.
In addition, in the above-described embodiment, being carried out so that guide portion 40 has upper guide portion 41 and lower guide portion 42 as an example
Explanation, is not limited to this.For example, it is also possible to be that guide portion 40 has a guide portion.
In addition, in the above-described embodiment, being said by taking shape of the guide portion 42 with V shape under side view as an example
It is bright, it is not limited to this.For example, it is also possible to be, under side view, lower guide portion 42 is formed as U-shaped or W shape.That is,
In the range of liquid can be made to drop onto anywhere, the side-glance shape of lower guide portion 42 can use variously-shaped.In addition,
In the above-described embodiment, it is illustrated, does not limit so that guide portion 40 is the flank being integrally formed with front fork 30 as an example
In this.For example, guide portion 40 can also be the guide member being respectively formed with front fork 30.
In addition, in the above-described embodiment, being only configured on overall width direction with front disk braker 71 with being provided with collateral
The side of frame 18 is illustrated exemplified by relative side, is not limited to this.For example, front disk braker 71 can also be configured at
On overall width direction on the side provided with side stand 18.
In addition, the present invention is not limited to above-mentioned embodiment, for example, in above-mentioned Straddle-type vehicle, including driver
Across vehicle body and all vehicles by bus, more than two-wheeled motorcycle, (including bicycle with motor and small-sized two wheel rub
Motorcycle), also include the car of three-wheel (also including the vehicle of preceding two-wheeled and latter wheel outside the structure of previous round and rear two-wheeled)
.In addition, the present invention, which is more than two-wheeled motorcycle, can also be applied to the four-wheel car of automobile etc..
The engine of embodiment is, for example, the engine or four cylinders of two cylinder arranged side by side.Alternatively, it is also possible to be
Engine with hypsokinesis cylinder.In addition, the i.e. so-called transverse engine for making crank axle along overall width direction is not limited to,
Can also be the i.e. so-called longitudinal engine for making crank axle along vehicle fore-and-aft direction, and in this case cylinder arrangement also may be used
It is a variety of to have.Also, power unit 10 can also include the composition of electromotor in driving source.
Also, the composition in above-mentioned embodiment is one of the present invention, the inscape of embodiment can be replaced
Into known inscape etc., various deformations are carried out without departing from the scope of the subject in the invention.
Claims (9)
1. a kind of front fork, it is the front fork (30) of the Straddle-type vehicle (1) of the axletree (3a) for support front wheel (3), it is described before
(30) are pitched to be characterised by,
Guide portion (40) is provided with the inside of the overall width direction of the front fork (30), it guides the liquid being attached on the front fork (30)
The flowing of body.
2. front fork according to claim 1, it is characterised in that
The front fork (30) has：The top cylinder (31) and lower cylinder (32) vertically configured；With the confession lower sleeve
Body (32) with reference to and support the axle retainer (33) of the axletree (3a),
Guide portion (40) configuration is on the inside of the overall width direction of the axle retainer (33).
3. front fork according to claim 1 or 2, it is characterised in that
The front fork (30) is inverted front fork.
4. front fork according to any one of claim 1 to 3, it is characterised in that
The guide portion (40) be located at it is among front fork (30) described in a pair configured side by side along overall width direction, with side stand (18)
Side is on the front fork (30) of opposite side.
5. front fork according to any one of claim 1 to 4, it is characterised in that
The guide portion (40) has the upper guide portion (41) and lower guide portion (42) vertically configured side by side.
6. front fork according to claim 5, it is characterised in that
Under side view, the upper guide portion (41) is obliquely extended in the longitudinal in the way of being more close to front side and being located lower section,
Under side view, the rear end of the front end (41a) of the upper guide portion (41) and the lower guide portion (42) extended in the longitudinal
(43b), which is compared, is located at front, and is located behind compared with the front end (43a) of the lower guide portion (42).
7. the front fork according to claim 5 or 6, it is characterised in that
Under side view, the lower guide portion (42) has the shape of V shape.
8. front fork according to any one of claim 1 to 7, it is characterised in that
The guide portion (40) is the flank being integrally formed with the front fork (30).
9. a kind of Straddle-type vehicle, it has front fork according to any one of claim 1 to 8 (30), it is characterised in that
Also there is front disk braker (71), it is configured at relative with side stand (18) side side on overall width direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016013653A JP6233982B2 (en) | 2016-01-27 | 2016-01-27 | Front fork and saddle-ride type vehicle |
| JP2016-013653 | 2016-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107010155A true CN107010155A (en) | 2017-08-04 |
| CN107010155B CN107010155B (en) | 2019-07-30 |
Family
ID=59439997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710058567.8A Active CN107010155B (en) | 2016-01-27 | 2017-01-23 | Front fork and Straddle-type vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6233982B2 (en) |
| CN (1) | CN107010155B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7296024B1 (en) * | 2022-03-18 | 2023-06-21 | 日立Astemo株式会社 | Axle bracket and front fork for straddle-type vehicle provided with the same |
| WO2023176706A1 (en) * | 2022-03-18 | 2023-09-21 | 日立Astemo株式会社 | Axle bracket and front fork for saddle-riding vehicle provided with same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5364454U (en) * | 1976-10-12 | 1978-05-31 | ||
| JPH0554190U (en) * | 1991-12-20 | 1993-07-20 | 株式会社ショーワ | Oil buffer chamber structure of hydraulic shock absorber |
| JPH06263078A (en) * | 1993-03-13 | 1994-09-20 | Honda Motor Co Ltd | Front wheel suspension device for motorcycle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2719545B2 (en) * | 1989-01-30 | 1998-02-25 | スズキ株式会社 | Brake hose holding device for motorcycle |
| JPH04244491A (en) * | 1991-01-31 | 1992-09-01 | Suzuki Motor Corp | Disc brake cover for motorcycle |
-
2016
- 2016-01-27 JP JP2016013653A patent/JP6233982B2/en active Active
-
2017
- 2017-01-23 CN CN201710058567.8A patent/CN107010155B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5364454U (en) * | 1976-10-12 | 1978-05-31 | ||
| JPH0554190U (en) * | 1991-12-20 | 1993-07-20 | 株式会社ショーワ | Oil buffer chamber structure of hydraulic shock absorber |
| JPH06263078A (en) * | 1993-03-13 | 1994-09-20 | Honda Motor Co Ltd | Front wheel suspension device for motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017132352A (en) | 2017-08-03 |
| JP6233982B2 (en) | 2017-11-22 |
| CN107010155B (en) | 2019-07-30 |
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