CN107010155B - Front fork and Straddle-type vehicle - Google Patents
Front fork and Straddle-type vehicle Download PDFInfo
- Publication number
- CN107010155B CN107010155B CN201710058567.8A CN201710058567A CN107010155B CN 107010155 B CN107010155 B CN 107010155B CN 201710058567 A CN201710058567 A CN 201710058567A CN 107010155 B CN107010155 B CN 107010155B
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- Prior art keywords
- front fork
- guide portion
- liquid
- wheel
- width direction
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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
- 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 axle (3a) for support front wheel (3), guide portion (40) are equipped on the inside of the vehicle width direction of front fork (30), guide the flowing for the liquid being attached on front fork (30).
Description
Technical area
The present invention relates to front fork and Straddle-type vehicles.
Background technique
As previous Straddle-type vehicle, such as in the straddle riding type vehicle disclosed in Japanese Unexamined Patent Publication 2-200591
?.In this Straddle-type vehicle, fork guard member is equipped in the vehicle width direction outside portion of axis retainer (axle holder)
(fork protector), and air-brake coupling hose is configured between axis retainer and fork guard member.In the vehicle width side of axis retainer
Outside side is equipped with towards fork guard member a pair of of protrusion outstanding in a manner 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 axis retainer
Dimension and shape and the liquid that leads to the rainwater being attached on axis retainer and muddy water etc. is mobile to front disk braker.
Summary of the invention
The object of the present invention is to provide a kind of front fork, which is the front fork of Straddle-type vehicle, and the vehicle of support front wheel
Axis is able to suppress movement of the liquid being attached on front fork to front disk braker.
In order to solve the above problems, the present invention uses composition below.
(1) form of the invention provides a kind of front fork, is the Straddle-type vehicle of the axle for support front wheel
Front fork, wherein be equipped with guide portion on the inside of the vehicle width direction of the front fork, guide the stream for the liquid being attached on the front fork
It is dynamic.
(2) in above-mentioned front fork, or, the front fork includes the top cylinder vertically configured and lower sleeve
Body；With for the lower cylinder in conjunction with and support the axis retainer of the axle, the guide portion configuration is kept in the axis
On the inside of the vehicle 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, the guide portion be located at along vehicle width direction configure side by side a pair it is described before
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 a manner of being more close to front side and being located lower section
Ground extends in the longitudinal, and under side view, 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, has in any one of above-mentioned (1) to (8) institute
The front fork stated, or, in the Straddle-type vehicle also have front disk braker, be configured in the vehicle width direction with side
The opposite side in the side of bracket.
According to the front fork of above-mentioned (1), guide portion is equipped on the inside of the vehicle width direction of front fork, guidance is attached on front fork
The flowing of liquid, even if thus can also pass through guidance in the case where the liquid of rainwater and muddy water etc. is attached on front fork
Portion guides the flowing of liquid.For example, guide portion is ordinatedly set as various sizes and shape by the dimension and shape with front fork
Shape, thus, it is possible to the flowing of liquid is guided in a manner of making liquid drip from contemplated position.Therefore, it is able to suppress and is attached to
Liquid on front fork is transmitted on front disk braker.In addition, the case where with guide portion is equipped on the outside of the vehicle width direction of front fork
It compares, due to becoming to be difficult to observe by guide portion from outside, so being able to ascend aesthetic appearance.
According to the front fork of above-mentioned (2), by the way that guide portion configuration on the inside of the vehicle width direction of axis retainer, is able to suppress stream
Liquid to axis retainer is transmitted to front disk braker.
According to the front fork of above-mentioned (3), by making front fork be inverted front fork, with the just vertical front fork the case where compared with, due to
The bumps easy to form on front fork, so becoming especially to have inhibiting liquid to be transmitted on this aspect of front disk braker via front fork
Effect.
According to the front fork of above-mentioned (4), it is on the front fork of opposite side by being located at guide portion with the side for being equipped with side stand,
Since when being stopped using side stand, vehicle is tilted to the side for being equipped with side stand, so as much as possible towards towards side stand side
Liquid is dredged on the inside of the vehicle 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 to hang on the inside of the vehicle width direction of front fork can be guided by wheel.Therefore, when being stopped using side stand
The liquid being attached on front fork can be certainly inhibited to be transmitted 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 is more than
Upper guide portion flows downwards, and the liquid flow down can be also guided by lower guide portion.In addition, with only having a guidance
The case where portion, is compared, and the enlargement of guide portion is able to suppress.Therefore, it is able to suppress the enlargement of guide portion, and can be certain
Ground inhibits the liquid being attached on front fork to be transmitted 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 a manner of obliquely
It extends in the longitudinal, the liquid thus to hang to upper guide portion can be flowed 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 can hang to guide by lower guide portion liquid hangs downwards from the front end of upper guide portion
Liquid.Therefore, the liquid being attached on front fork can be more certainly inhibited to be transmitted 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 it enables that hanging
Liquid be pooled to the top of V word, thus it enables 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 case where 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, is configured at side opposite with the side of side stand in the vehicle width direction, thus plays effect below.Using collateral
Vehicle is tilted to the side for being equipped with side stand when the parking of frame.Therefore, it is tilted as much as possible towards towards the side for being equipped with side stand
Front fork vehicle width direction on the inside of dredge liquid.Further, it is possible to the liquid to be hung on the inside of the vehicle width direction of front fork by wheel guidance
Body.In addition, it is opposite side that the liquid for flowing to wheel, which is not transferred to the side for being equipped with side stand, when being stopped using side stand
Front disk braker on.Therefore, when stopping using side stand, the liquid being attached on front fork can certainly be inhibited to transmit
Onto front disk braker.
Detailed description of the invention
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 main view of the front fork on the right side of above-mentioned two-wheeled motorcycle.
Fig. 4 is the left side view of the axle supporting part 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.
Specific embodiment
Hereinafter, being explained with reference to embodiments of the present invention.In addition, if without especially recording, following
Explanation in equal all around direction, be in vehicle described below towards identical.In addition, in the following description
Used in figure in appropriate location on, shown with indicate vehicle front arrow FR, indicate vehicle left arrow LH with
And indicate the arrow UP of vehicle up direction.
<vehicle is whole>
Fig. 1 shows the two-wheeled motorcycles 1 as Straddle-type vehicle an example.Referring to Fig.1, two-wheeled motorcycle 1 includes front-wheel 3,
It operates direction by handlebar 5；With rear-wheel 4, driven by including the power unit 10 of engine.It will hereinafter, having
Two-wheeled motorcycle is only called the case where " vehicle ".
Steering system component including handlebar 5 and front-wheel 3 can turn to ground pivot suspension and be formed in 2 front end of vehicle body frame
In the head tube 20 in portion.The handlebar steering shaft (not shown) connecting with handlebar 5 is interspersed in head tube 20.Before and after vehicle body frame 2
Power unit 10 is configured on 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 of steering arm 6 and the rear portion of vehicle body frame 2.
For example, vehicle body frame 2 is formed in a manner of a variety of steel are combined as a whole by welding etc..Vehicle body frame 2 includes one
To main car frame 21, extends to warpage downwards from head tube 20 to after extending to the back lower place and configure in left and right；Under (not shown)
Crossbeam is extended along the width of the car in such a way that the main car frame 21 of connection left and right is mutual；With a pair of of seat beam 22, from left and right
Main car frame 21 rear upper end extend rearwardly and upwardly and configure left and right.Left and right main car frame 21 preceding lower end be equipped with to
The first engine lifting bracket 25 extended to the back lower place.It is outstanding that forward downward is equipped on the flex portion 21a of the main car frame 21 of left and right
Second engine lifting bracket 26.Power unit 10 be mounted 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 includes crankcase 11；With the cylinder part 12 of two cylinder arranged side by side, under side view
It is prominent 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 equipped with
Suction port connects and adjusts the throttle body (not shown) of uptake.In addition, the top of cylinder part 12 (specifically
In the top of valve mechanism cover) connect the air filter (not shown) that oriented power unit 10 carries out air-breathing.Air filter is matched
It sets between left and right main car frame 21 in the vehicle width direction.Air filter keeps the air-breathing to above-mentioned throttle body purifying.
On the other hand, it is connected on the antetheca of cylinder part 12 (specifically in the antetheca of cylinder head) and connects with exhaust port
Logical exhaust pipe (all not shown).Exhaust pipe passes through from the lower section of power unit 10, with configuration in the right side side of rear-wheel 4 and to oblique
The muffler (not shown) connection that back upper place extends.
In left and right, the top of main car frame 21 is configured with fuel tank 8.It is configured on 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 includes front shroud 7a, covers the front of vehicle body frame 2；Front side cover
7b covers the front side of vehicle body frame 2；7c is covered at bottom, covers the lower part of vehicle body frame 2；With back cover 7d, vehicle body frame 2 is covered
Rear portion.
In addition, appended drawing reference 15 indicates that front mudguard, appended drawing reference 16 indicate rear mudguard, appended drawing reference 17 in Fig. 1
Indicate that main pedal, appended drawing reference 18 indicate side stand.Left side is mounted on the lower end of vehicle body frame 2 to side stand 18 in the direction of vehicle width
(specifically in the posterior end portion of left main car frame 21).
<front fork>
In conjunction with referring to Fig.1 and Fig. 2, two-wheeled motorcycle 1 also has a pair of of front fork 30, the axle 3a of support front wheel 3 and
Configuration is in left and right.Under the side view of Fig. 1, left and right front fork 30 is obliquely vertically prolonged in a manner of being more close to front side and being located lower section
It stretches.
As shown in Fig. 2, front fork 30 includes the top cylinder 31 and lower cylinder 32 vertically configured；With for lower sleeve
The lower end of body 32 combines and the axis retainer 33 of bearing axle 3a.Top cylinder 31 is cylindrical outer tube.Lower sleeve
Body 32 is in the cylindric inner tube thinner than top cylinder 31.That is, front fork 30 is inverted front fork.
<axis retainer>
Axis retainer 33 is equipped on the lower end of front fork 30.Under side view, axis retainer 33 is in more being close to front side
The Y shape that underlying mode obliquely vertically extends.
In conjunction with referring to Fig. 2~Fig. 4, axis retainer 33 includes axle supporting part 34, bearing axle 3a；Keep frame body
35, lower end is connect with axle supporting part 34, and is in the cylindrical shape thicker than lower cylinder 32；Forward extension 36, in Fig. 2
Side view under, from keep frame body 35 front upper part forward upward it is prominent after in a manner of along the axis of lower cylinder 32 to
Back upper place obliquely extends；It rearward dashes forward under the side view of Fig. 2 from the rear portion of holding frame body 35 with rear extension 37
Obliquely extend rearwardly and upwardly after out.For example, axle supporting part 34, holding frame body 35, forward extension 36 and rear extension
37 are integrally formed by casting etc..
In addition, being equipped with front mudguard 15 (referring to Fig.1) on forward extension 36.It is equipped on rear extension 37: up and down
Lug boss 37a, 37b are discretely configured up and down in a manner of along the axis of lower cylinder 32；With upper end lug boss 37c,
It is discretely configured upwards from upper projecting portion 37a.
<front fork side guide>
As shown in figure 4, being equipped with front fork side guide 40 on the inside of the vehicle width direction of front fork 30, guidance is attached to front fork 30
On liquid flowing.
In addition, front fork side guide 40 is equivalent to " guide portion ".Front fork side guide 40 are known as " drawing hereinafter, having
The case where leading portion 40 ".
Front fork side guide 40 be located at it is among the pair of right and left front fork 30 that vehicle width direction configures side by side, be equipped with it is 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 configures on the inside of the vehicle width direction of the axis retainer 33 on right front fork 30.
Front fork side guide 40 is the flank being integrally formed with axis retainer 33.Front fork side guide 40 has vertically
The upper guide portion 41 and lower guide portion 42 configured side by side.
Under the side view of Fig. 4, the upper configuration of guide portion 41 is in the boundary part with holding frame body 35 and rear extension 37
On the position of overlapping.Under the side view of Fig. 4, upper guide portion 41 gentle dip ground edge in a manner of being more close to front side and be located lower section
Front and back extends.
Under the side view of Fig. 4, lower guide portion 42 is located below compared with upper guide portion 41, and configure with axis retainer
On 33 position for keeping frame body 35 and rear extension 37 to be overlapped.Under the side view of Fig. 4, lower guide portion 42 has top
42v is located at the V shape shape for keeping the front and back central portion of 35 lower part of frame body.Specifically, side view of the lower guide portion 42 in Fig. 4
Under, comprising: the first flank 43 is gently tilted and is extended in the longitudinal in a manner 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, from the first flank in a manner of along the axis for keeping frame body 35
43 front end 43a extends rearwardly and upwardly.
Under the side view of Fig. 4, the rear end 43b phase of the front end 41a of upper guide portion 41 and the first flank 43 of lower guide portion 42
Than being located at front, and it is located behind compared with the upper end 44a of the front end 43a of the first flank 43 and 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 the side view of Fig. 4, the rear end 43b of the first flank 43 of lower guide portion 42 and the front and back middle part of upper guide portion 41 are upper
Lower section is opposite upwards.
<wheel>
In conjunction with referring to Fig.1 and Fig. 6, axle 3a can be rotatably supported in wheel 50 through not shown bearing
On.Wheel 50 includes cylindric wheel hub 51；Disk edge 52 has configuration in the circular shape of the periphery of wheel 50, and
And tire is installed on peripheral part；With more spokes 53 (such as being seven in the present embodiment), from the outer of wheel hub 51
Circumference is connected with radiated entend and by the peripheral part of wheel hub 51 with the inner peripheral portion of disk edge 52.
For example, wheel hub 51, disk edge 52 and spoke 53 are integrally formed by casting etc..In conjunction with referring to Fig. 2 and Fig. 6,
Be formed on the inside of the diametrical direction of wheel hub 51 be capable of free rotary ground supporting axle 3a be pivotally supported portion 55.On the right side of wheel hub 51
It is equipped with fastening part 56 on the outside of diametrical direction on side, is fastened with front disk braker 71.Fastening part 56 has dashes forward to the right
Cylindric shape out, and separated along the circumferencial direction of axle 3a the compartment of terrain that is substantially equal configured with it is multiple (such as
It is six in the present embodiment).
It is equipped in being pivotally supported between portion 55 and fastening part 56 on the right side of wheel hub 51 and fastens seat 57, on the fastening seat 57
It is fastened with Pulsar ring (pulsar ring) 81.Fasten seat 57 has square with protrusion to the right and under the side view of Fig. 6
The seat surface of shape.The compartment of terrain that is substantially equal is separated along the circumferencial direction of axle 3a 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 configuration) three fastening parts 56 connection.
On wheel hub 51, it is formed with wheel hub 51 along the perforative perforation 51h of vehicle width direction.Under the side view of Fig. 6, perforation
51h has the long hole shape of the circumferencial direction along axle 3a.The interval being substantially equal is separated along the circumferencial direction of axle 3a
Ground is configured with multiple (such as being six in the present embodiment) perforation 51h.Each perforation 51h is on the circumferencial direction of axle 3a
It is configured between two adjacent fastening parts 56 with fastening the mode arranged side by side of seat 57.
<wheel side guide>
As shown in fig. 6, being equipped with wheel side guide 60 on the outside of the vehicle width direction of wheel 50, guidance is attached to wheel 50
On liquid flowing.Wheel side guide 60 is set to side opposite with the side of side stand 18 is equipped in the vehicle 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 the side view of Fig. 6, wheel side guide 60
Be formed as convex in a manner of becoming the protrusion mitigated towards wheel hub 51.Wheel side guide 60 configuration by axle 3a and fastening
On the dummy line C1 that portion 56 links.Herein, dummy line C1 be link axle 3a center P1 and fastening part 56 center P2 it
Between virtual line.Under the side view of Fig. 6, wheel side guide 60 includes extension 61, to intersect vertically with dummy line C1
Mode extend；It, will be between the both ends of the extension 61 on the circumferencial direction of axle 3a and perforation 51h with interconnecting piece 62
Connection.
On the circumferencial direction of axle 3a, extension 61 is configured between two adjacent perforation 51h.Extension 61 is along vehicle
The circumferencial direction of axis 3a separates the compartment of terrain that is substantially equal configured with multiple (such as in present embodiment be three).It is each to prolong
(a ground configuration is that is separated) non-conterminously among extending portion 61 and six fastening parts 56 and is not connected with fastening seat 57
Three fastening parts 56 connection connect.
In the diametrical direction of axle 3a, the inner end of extension 61 is compared with the outboard end of perforation 51h slightly within straight
On the inside of diameter direction.Interconnecting piece 62 is on the circumferencial direction of axle more to leave from extension 61 (that is more with perforation 51h's
Outboard end is close) mode that is located on the outside of the diametrical direction of axle 3a gently tilts and extends.
<brake apparatus>
As shown in Fig. 2, two-wheeled motorcycle 1 (referring to Fig.1) is also with the brake apparatus 70 of disc type.Brake apparatus 70 includes
Circular front disk braker 71, integrally rotates with front-wheel 3；Caliper 72, in braking to front disk braker
71 pay frictional force.
Front disk braker 71 is configured at side opposite with the side of side stand 18 is equipped in the vehicle width direction.Namely
It says, in the present embodiment, front disk braker 71 is mounted on the right side of wheel 50 of front-wheel 3.Front disk braker 71
It is concentrically configured with wheel 50.
Front disk braker 71 includes circular retainer walls 71a, is clamped in braking by caliper 72；And disc type
Attached portion 71b is configured on the inside of the diametrical direction of retainer walls 71a, and is had in the thickness side of front disk braker 71
The multiple through hole 71h extended upward through.The right side of the front disk braker 71 in disc type attached portion 71b by bolt etc. with wheel 50
Each fastening part 56 (referring to Fig. 6) fastening of side.
Caliper 72 is supported in caliper bracket 90, which is mounted on the front fork 30 on right side.Brake is soft
The one end of pipe 73 is connect with caliper 72.The other end of brakehose 73 is through not shown ABS (anti-skid braking system
System) circuit connect with brake bar.In addition, the appended drawing reference 74 in figure is that the air in caliper 72 can be discharged to outside
Breather valve.
<wheel speed detector>
As shown in Fig. 2, also there is two-wheeled motorcycle 1 (referring to Fig.1) the wheel speed of the rotation speed of detection front-wheel 3 to detect dress
Set 80.Wheel speed detector 80 includes circular Pulsar ring 81, integrally rotates with front-wheel 3；It is sensed with acquisition
Device 82 detects the rotation of Pulsar ring 81.
Pulsar ring 81 is mounted 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 vehicle width direction of device 71.Pulsar ring 81 configures on the inside of the diametrical direction of front disk braker 71.Pulsar ring
81 concentrically configure with wheel 50.
Pulsar ring 81 includes circular base wall 81a, separates along itself circumferencial direction and to be substantially equal
Multiple acquisition 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 the Inner peripheral portions of base wall 81a to diametrical direction inside.Pulsar ring 81 is in ring attached portion 81b
Upper each fastening seat 57 (referring to Fig. 6) fastening by bolt etc. and the right side of wheel 50.
In conjunction with referring to Fig. 2 and Fig. 3, acquisition sensor 82 is supported by caliper bracket 90.Under the main view of Fig. 3, acquisition is passed
Sensor 82 is configured in a manner of Chong Die with front fork 30 at the rear of front fork 30.Acquiring sensor 82 has gathering line (not shown)
Circle generates pulse signal according to the variation of the flux of the rotation with Pulsar ring 81.The one end of sensor wire 83
It is connect with acquisition sensor 82.The other end of sensor wire 83 is connect with control unit (not shown).It is adopted as a result, by above-mentioned
Collect the pulse signal that coil generates to export to control unit.For example, above-mentioned pulse signal to be used for the detection of the slip rate of front-wheel 3
And detection of speed etc..
<caliper bracket>
In conjunction with referring to Fig. 3 and Fig. 5, caliper bracket 90 has along vehicle width direction with thickness and vertically extends
Shape.Caliper bracket 90 includes bracket by fastening part 91, and it is upper with the rear extension 37 of axis retainer 33 to pass through bolt etc.
Lower convex portion 37a, 37b fastening；Clamp fastening part 92 is fastened with caliper 72 by bolt etc.；With sensor mount 93,
It is equipped with acquisition sensor 82.In addition, the top in the upper end of caliper bracket 90 is configured with for keeping sensor wire
83 holding supporting element 94.Keep upper end lug boss of the supporting element 94 by bolt etc. with the rear extension 37 of axis retainer 33
37c fastening.
Sensor wire 83 extends upwards from acquisition sensor 82, in the vehicle width of the rear extension 37 from axis retainer 33
Pass through on the inside of direction and gently warpage extends later rearward warpage simultaneously rearwardly and upwardly, and by the guarantor of 90 top of caliper bracket
Hold the support of supporting element 94.Also, sensor wire 83, after gently inclination extends rearwardly and upwardly, warpage extends upwards,
And it is configured together towards vehicle body frame 2 (referring to Fig.1) with brakehose 73.As a result, with the rear extension in axis retainer 33
The case where sensors configured cable 83, is compared on the outside of 37 vehicle width direction, due to becoming to be difficult to observe by sensor wire from outside
83, so can be improved aesthetic appearance.Further, it is possible to protect sensor wire 83 by axis retainer 33.
<effect of front fork side guide>
Hereinafter, illustrating an example of the effect of front fork side guide 40.In addition, embodiment is with front fork side guide
40 example, comparative example are the examples without front fork side guide 40.
In Fig. 5, solid arrow W1 indicates the flowing of liquid in embodiment.On the other hand, dotted arrow W2 is indicated
The flowing of liquid in a comparative example.
As shown in figure 5, in a comparative example, the liquid of the lower cylinder 32 of front fork 30 is attached to due to self weight towards lower section
Axis retainer 33 flows.Also, in a comparative example, liquid is transmitted to the (references such as front disk braker 71 via axis retainer 33
The dotted arrow W2 of Fig. 5).
In this regard, in embodiment, the liquid for flowing to axis retainer 33 is guided by front fork side guide 40.It is specific next
It says, in embodiment, liquid hangs to after the upper guide portion 41 of front fork side guide 40, and the liquid to hang is towards upper guide portion 41
Front end 41a flowing.Later, 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 of flank 43 flows.Also, liquid is directed to the top 42v of V word, and drip using top 42v as starting point (from
By falling) (referring to the solid arrow W1 of Fig. 5).Therefore, in embodiment, can be avoided liquid to be transmitted to via axis retainer 33
Front disk braker 71 etc..
<effect of wheel side guide>
Hereinafter, illustrating an example of the effect of wheel side guide 60.In addition, embodiment has wheel side guide 60
Example, comparative example are the examples without wheel side guide 60.
The flowing of liquid in embodiment is indicated in Fig. 6 and Fig. 7, solid arrow W1.On the other hand, dotted arrow W2
Indicate the flowing of liquid in a comparative example.
As shown in fig. 7, in a comparative example, the liquid of the wheel hub 51 of wheel 50 is attached to due to self weight towards the fastening of lower section
It flows in portion 56.Also, in a comparative example, liquid is transmitted to the equal (dotted line of reference Fig. 7 of front disk braker 71 via fastening part 56
Arrow W2).
In this regard, in embodiment, being attached to the liquid on the wheel hub 51 of wheel 50 due to self weight towards the wheel side of 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 to hang is flowed via the end of extension 61 towards interconnecting piece 62
It is dynamic.Later, liquid flows along interconnecting piece 62 and is directed into perforation 51h (referring to the solid arrow W1 of Fig. 6).Also, such as Fig. 7
Shown, liquid hangs along the spoke of wheel 50 53 (referring to the solid arrow W1 of Fig. 7) using the 51h that perforates as starting point.Therefore, exist
In embodiment, it can be avoided liquid via fastening part 56 and be transmitted to front disk braker 71.
As mentioned above, the front fork 30 of above embodiment is the front fork 30 of two-wheeled motorcycle 1, and support front wheel 3
Axle 3a, wherein be equipped with guide portion 40 on the inside of the vehicle width direction of front fork 30, guide the liquid being attached on front fork 30
Flowing.
According to this constitution, even if can also lead in the case where the liquid of rainwater and muddy water etc. is attached on front fork 30
Guide portion 40 is crossed to guide the flowing of liquid.For example, guide portion 40 is ordinatedly set as by the dimension and shape with front fork 30
Various sizes and shape, thus, it is possible to the flowing of liquid is guided in a manner of making liquid drip from the position of imagination.Therefore, energy
Enough the liquid being attached on front fork 30 is inhibited to be transmitted to front disk braker 71.
In addition, compared with the case where being equipped with guide portion 40 on the outside of the vehicle width direction in front fork 30, due to becoming difficult to from outer
Portion observes guide portion 40, so can be improved aesthetic appearance.
In addition, in the above-described embodiment, by the configuration of guide portion 40 on the inside of the vehicle width direction of axis retainer 33, thus, it is possible to
It is enough that the liquid for flowing to axis retainer 33 is inhibited to be transmitted to front disk braker 71.
In addition, in the above-described embodiment, front fork 30 is inverted front fork, thus with the just vertical front fork the case where compared with,
On front fork 30 can bumps easy to form, therefore liquid is being inhibited to be transmitted on this aspect of front disk braker 71 via front fork 30
It can be especially effective.
In addition, in the above-described embodiment, it is the front fork of opposite side that guide portion 40, which is located at the side for being equipped with side stand 18,
On 30, thus when being stopped using side stand, vehicle is tilted to the side for being equipped with side stand 18.Therefore, as much as possible towards court
Liquid is dredged on the inside of the vehicle width direction of the inclined front fork 30 in side equipped with side stand 18.Further, it is possible to by guide portion 40 come
The flowing of the liquid come is dredged in guidance, and the liquid to hang on the inside of the vehicle width direction of front fork 30 can be guided by wheel 50
Body.Therefore, disc type brake before capable of certainly inhibiting the liquid being attached on front fork 30 to be transmitted to when stopping using side stand
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 is more than that upper guide portion 41 flows downwards, also the liquid flow down can be guided by lower guide portion 42.In addition, with only
The case where having a guide portion, is compared, and the enlargement of guide portion 40 is able to suppress.Therefore, it is able to suppress the large size of guide portion 40
Change, and can certainly inhibit the liquid being attached on front fork 30 to be transmitted on front disk braker 71.
In addition, in the above-described embodiment, under side view, upper guide portion 41 is in a manner of being more close to front side and be located lower section
It obliquely extends in the longitudinal, the front end 41a of the liquid thus to hang to upper guide portion 41 towards upper guide portion 41 flows.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
It falls, can also the liquid for hanging be guided by lower guide portion 42.Therefore, can more certainly inhibit to be attached to front fork 30
On liquid be transmitted 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 it enables that hanging down
The liquid fallen is pooled to the top 42v of V word, thus it 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, thus it is compared to
The case where guide portion 40 and front fork 30 are not integrally formed, can simplify guide portion.In addition, simple structure can be passed through
At 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 side opposite with the side of side stand 18 is equipped in the vehicle width direction, thus plays effect below.Make
It is tilted with vehicle when the parking of side stand to the side for being equipped with side stand 18, so as much as possible towards towards being equipped with side stand 18
Liquid is dredged on the inside of the vehicle width direction of the inclined front fork 30 in side.Further, it is possible to guide the vehicle width from front fork 30 by wheel 50
The liquid to hang on the inside of direction.In addition, the liquid for flowing to wheel 50 is not transferred to and is equipped with when using the parking of side stand
On the front disk braker 71 of the opposite side in the side of side stand 18.It therefore, can be certain when using the parking of side stand
Ground inhibits the liquid being attached on front fork 30 to be transmitted 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 is also possible to just vertical front fork.
In addition, in the above-described embodiment, being located at using guide portion 40 and being equipped with 18 side of side stand as the front fork of opposite side
It is illustrated on 30, it's not limited to that.For example, guide portion 40 can also be located at the front fork equipped with 18 side of side stand
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, it's not limited to that.For example, it can be guide portion 40 to have 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
Bright, it's not limited to that.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 various shape.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 is also possible to the guide member being respectively formed with front fork 30.
In addition, in the above-described embodiment, being only configured at front disk braker 71 in the vehicle width direction and equipped with collateral
18 side of frame is illustrated for opposite side, and it's not limited to that.For example, front disk braker 71 can also be configured at
In the vehicle width direction on the side equipped with side stand 18.
In addition, the present invention is not limited to above embodiment, for example, in above-mentioned Straddle-type vehicle, including driver
Across vehicle body, all vehicles by bus, more than two-wheeled motorcycle (rub including the bicycle with motor and small-sized two wheel
Motorcycle), it also include the vehicle of three-wheel (the also vehicle including preceding two-wheeled and latter wheel except the structure of previous round and rear two-wheeled)
?.In addition, the present invention, which is more than two-wheeled motorcycle also, can be suitable for the four-wheel car of automobile etc..
The engine of embodiment is, for example, the engine of two cylinder arranged side by side, is also possible to four cylinders.Alternatively, it is also possible to be
Engine with hypsokinesis cylinder.In addition, it is not limited to the i.e. so-called transverse engine for making crank axle along vehicle width direction,
It is also possible to make crank axle along vehicle i.e. so-called longitudinal engine in the front-back direction, and cylinder arrangement can also in this case
There are many.Also, power unit 10 is also possible to the composition in driving source including electromotor.
Also, the composition in above embodiment is an example of the invention, can replace the constituent element of embodiment
At well known constituent element etc., various deformations is carried out without departing from the scope of the subject in the invention.
Claims (8)
1. a kind of front fork is the front fork (30) of the Straddle-type vehicle (1) of the axle (3a) for support front wheel (3), before described
(30) are pitched to be characterized in that,
Guide portion (40) are equipped on the inside of the vehicle width direction of the front fork (30), guide the liquid being attached on the front fork (30)
The flowing of body,
The guide portion (40) has the upper guide portion (41) and lower guide portion (42) vertically configured side by side.
2. front fork according to claim 1, which is characterized in that
The front fork (30) includes the top cylinder (31) and lower cylinder (32) vertically configured；With the confession lower sleeve
Body (32) in conjunction with and support the axis retainer (33) of the axle (3a),
Guide portion (40) configuration is on the inside of the vehicle width direction of the axis retainer (33).
3. front fork according to claim 1 or 2, which is characterized in that
The front fork (30) is inverted front fork.
4. front fork according to claim 1 or 2, which is characterized in that
The guide portion (40) is located among a pair front fork (30) that vehicle width direction configures side by side and side stand (18)
That side is on the front fork (30) of opposite side.
5. front fork according to claim 1, which is characterized in that
Under side view, the upper guide portion (41) is obliquely extended in the longitudinal in a manner 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).
6. front fork according to claim 1, which is characterized in that
Under side view, the lower guide portion (42) has the shape of V shape.
7. front fork according to claim 1 or 2, which is characterized in that
The guide portion (40) is the flank being integrally formed with the front fork (30).
8. a kind of Straddle-type vehicle, with front fork according to any one of claim 1 to 7 (30), which is characterized in that
Also there are front disk braker (71), configure the opposite side in side stand (18) that side in the vehicle 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 CN107010155A (en) | 2017-08-04 |
| CN107010155B true 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 |
|---|---|
| CN107010155A (en) | 2017-08-04 |
| JP2017132352A (en) | 2017-08-03 |
| JP6233982B2 (en) | 2017-11-22 |
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