CN107487303A - Pedal structure and vehicle - Google Patents
Pedal structure and vehicle Download PDFInfo
- Publication number
- CN107487303A CN107487303A CN201710396075.XA CN201710396075A CN107487303A CN 107487303 A CN107487303 A CN 107487303A CN 201710396075 A CN201710396075 A CN 201710396075A CN 107487303 A CN107487303 A CN 107487303A
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- China
- Prior art keywords
- pedal
- swinging arm
- lever ratio
- adjustment portion
- swing part
- Prior art date
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- 238000005096 rolling process Methods 0.000 claims description 33
- 230000013011 mating Effects 0.000 claims description 28
- 210000002683 foot Anatomy 0.000 description 25
- 230000008859 change Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
Abstract
The invention provides a kind of pedal structure and vehicle.Wherein, pedal structure includes：Foot pedal support frame, it is fixedly connected with vehicle body；Pedal swinging arm, it is pivotally connected with foot pedal support frame；Swing part, it is pivotally connected with foot pedal support frame, the center of rotation of swing part and the center of rotation of pedal swinging arm are arranged at intervals, and swing part is provided with the connecting portion for being used for connecting power-assisted device assembly；Lever ratio adjustment portion, is connected with pedal swinging arm, and at least one of lever ratio adjustment portion abuts with the guide surface of swing part all the time, so as to drive lever ratio adjustment portion to be moved along guide surface when pedal swinging arm rotates.The invention provides a kind of transformable pedal structure of lever ratio and vehicle.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of pedal structure and vehicle.
Background technology
The brake pedal of vehicle is the executing agency in brakes.In the prior art, brake pedal is used to have and fixed
The structure of lever ratio.When brake pedal, pedal swinging arm around its fixing axle rotate so that booster push rod tie point with
Pedal swinging arm is swung.Wherein, the point of application acted on pedal swinging arm pushes away to the distance of pedal swinging arm center of rotation with booster
Bar tie point to the ratio of distances constant of pedal swinging arm center of rotation be lever ratio.Because lever ratio is fixed, brake force can only be with stepping on
Plate stroke linear changes, it is impossible to road conditions is experienced in real time, operation comfort is poor；Moreover, in case of emergency, operation
Personnel are difficult to step on pedal the maximum of pedal travel, therefore braking effect is bad.
The content of the invention
It is a primary object of the present invention to provide a kind of transformable pedal structure of lever ratio and vehicle.
To achieve these goals, according to an aspect of the invention, there is provided a kind of pedal structure, pedal structure bag
Include：Foot pedal support frame, it is fixedly connected with vehicle body；Pedal swinging arm, it is pivotally connected with foot pedal support frame；Swing part, with treadle supporting
Frame is pivotally connected, and the center of rotation of swing part and the center of rotation of pedal swinging arm are arranged at intervals, and swing part, which is provided with, to be used to connect
The connecting portion of power-assisted device assembly；Lever ratio adjustment portion, is connected with pedal swinging arm, at least one of bar than adjustment portion all the time with pendulum
The guide surface in dynamic portion abuts, so as to drive lever ratio adjustment portion to be moved along guide surface when pedal swinging arm rotates.
Further, the side towards lever ratio adjustment portion of swing part has a guide groove, and the second of lever ratio adjustment portion
End abuts with guide groove and can slided along guide groove, and the inner surface of guide groove forms guide surface.
Further, guide groove includes：First surface, first surface is curved surface or plane, when first surface is curved surface
When, first surface protrudes to the direction where lever ratio adjustment portion；Second surface, it is connected with first surface, second surface is song
Face, second surface is recessed to the direction away from lever ratio adjustment portion, and first surface and second surface are collectively forming guide surface, when
When pedal swinging arm is not acted on by external force, the second end of lever ratio adjustment portion abuts with second surface, when pedal swinging arm is by external force
During effect, the second end of lever ratio adjustment portion is moved along first surface.
Further, lever ratio adjustment portion includes push rod, and the first end of push rod is fixedly connected with pedal swinging arm, and the of push rod
Two ends abut with the guide surface of swing part, so as to drive push rod to be slided along guide surface when pedal swinging arm is swung.
Further, lever ratio adjustment portion includes the push rod being fixedly connected with pedal swinging arm and the rolling being pivotally connected with push rod
Kinetoplast, the outer surface of rolling element abut with the guide surface of swing part, so as to drive rolling element when pedal swinging arm is swung along leading
To surface scrolls.
Further, pedal swinging arm is provided with the first mating holes, and push rod is provided with the second mating holes, wherein, first coordinates
Hole and the second mating holes are splined hole, and pedal structure also includes the spline coordinated with the first mating holes and the second mating holes
Axle, the outer surface of splined shaft open up fluted, and one end of the remote groove of splined shaft is provided with the second stopper section, and pedal structure also wraps
The 3rd stopper section coordinated with groove is included, to prevent splined shaft from deviating from from the first mating holes and/or the second mating holes.
Further, lever ratio adjustment portion is the rolling element being directly pivotally connected with pedal swinging arm, in the rotation of rolling element
The center of rotation of the heart and pedal swinging arm is arranged at intervals, and the outer surface of rolling element abuts with the guide surface of swing part, so that pedal
Rolling element is driven to be rolled along guide surface when swing arm is swung.
Further, pedal structure also includes safeguard structure, and when foot pedal support frame is collided, safeguard structure is used to make
Swing part departs from from foot pedal support frame.
Further, foot pedal support frame is provided with the first axis hole, and pedal structure also includes first rotating shaft, and first rotating shaft is set
In the first axis hole, swing part is pivotally connected by first rotating shaft and foot pedal support frame, is additionally provided with foot pedal support frame and first
Second opening of axis hole connection, the second opening is located on the line of the center of the first axis hole and the center of rotation of pedal swinging arm and position
In the side of the remote lever ratio adjustment portion of the first axis hole, wherein, the second opening forms safeguard structure.
According to another aspect of the present invention, there is provided a kind of vehicle, including vehicle body and the pedal structure that is connected with vehicle body,
Pedal structure is foregoing pedal structure.
Apply the technical scheme of the present invention, the center of rotation of the point of application acted on pedal swinging arm to pedal swinging arm away from
From for fixed value, when pedal swinging arm rotates under external force, lever ratio adjustment portion is with the rotation of pedal swinging arm and along guiding
Apparent motion simultaneously promotes swing part to be rotated around its oscillation center, so as to change the tie point of swing part and power-assisted device assembly to pedal
The distance of the center of rotation of swing arm, and then change lever ratio.The lever ratio of pedal structure with pedal swinging arm rotational angle, i.e., with
Pedal travel real-time change, road conditions can constantly be experienced, improve operation comfort；Furthermore, it is possible to led by adjustment
Lever ratio is increased with the increase of pedal travel to surface, so, reach compared with prior art needed for identical brake force
Pedal travel is smaller, when in case of emergency, operating personnel, which easily step on pedal, can make the position of vehicle fast braking,
So as to avoid the potential safety hazard of automobile brake.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows a kind of structural representation of embodiment of the pedal structure according to the present invention；
Fig. 2 shows that Fig. 1 pedal structure rotates the schematic diagram of an angle and (treadle supporting is not shown under external force
Frame)；
Fig. 3 shows that the push rod of Fig. 1 pedal structure is connected to the structural representation of pedal swinging arm；
Fig. 4 shows the structural representation of the push rod of Fig. 3 pedal structure；
Fig. 5 shows the splined shaft in Fig. 3 and the front view of the second stopper section；
Fig. 6 shows Fig. 5 right view；
Fig. 7 shows the sectional view of the swing part of Fig. 1 pedal structure；
Fig. 8 shows the structural representation of another embodiment of the pedal structure according to the present invention；And
Fig. 9 shows the lever ratio characteristic curve of the pedal structure according to the present invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, pedal swinging arm；20th, swing part；21st, guide groove；211st, first surface；212nd, second surface；22nd, connecting hole；
30th, lever ratio adjustment portion；31st, the second mating holes；32nd, push rod；33rd, rolling element；34th, bearing pin；35th, the first stopper section；40th, spline
Axle；41st, groove；42nd, the second stopper section；50th, the 3rd stopper section；60th, foot pedal support frame；61st, the second opening；70th, first rotating shaft；
80th, crash bar.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for the ease of description, each portion shown in accompanying drawing
The size divided not is to be drawn according to the proportionate relationship of reality.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely exemplary, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following accompanying drawing with letter, therefore, once it is defined in a certain Xiang Yi accompanying drawing, then subsequent attached
It need not be further discussed in figure.
The invention provides a kind of pedal structure and vehicle.
In embodiments of the invention, vehicle includes vehicle body and the pedal structure being connected with vehicle body.
In embodiments of the invention, pedal structure is the executing agency in brakes, and brakes includes booster group
Part and the pedal structure being connected with power-assisted device assembly.
In the present invention and embodiments of the invention, lever ratio is fixed in order to solve in the prior art, and brake force can only be with
Pedal travel linear change, it is impossible to road conditions are experienced in real time, the problem of operation comfort is poor, there is provided a kind of lever ratio
Transformable pedal structure, it is specifically described below：
As shown in figure 1, in embodiments of the invention, pedal structure includes foot pedal support frame 60, pedal swinging arm 10, swing part
20 and lever ratio adjustment portion 30.Foot pedal support frame 60 is fixedly connected with vehicle body.Pedal swinging arm 10 pivots with foot pedal support frame 60 to be connected
Connect.Swing part 20 is pivotally connected with foot pedal support frame 60, between the center of rotation of swing part 20 and the center of rotation of pedal swinging arm 10
Every setting, swing part 20 is provided with the connecting portion for being used for connecting power-assisted device assembly.Lever ratio adjustment portion 30 connects with pedal swinging arm 10
Connect, guide surface of at least one of lever ratio adjustment portion 30 all the time with swing part 20 abuts, so that pedal swinging arm 10 rotates
When drive lever ratio adjustment portion 30 to be moved along guide surface.
In above-mentioned setting, the distance of the point of application that acts on pedal swinging arm to the center of rotation of pedal swinging arm 10 is fixes
Value, when pedal swinging arm 10 rotates under external force, lever ratio adjustment portion 30 with the rotation of pedal swinging arm 10 and along be oriented to table
Face is moved and promotes swing part 20 to rotate around it center rotating, center of rotation and the rotation of pedal swinging arm 10 due to swing part 20
Center is arranged at intervals, and therefore, swing part 20 can change swing part 20 when rotating and the tie point of power-assisted device assembly is put to pedal
The distance of the center of rotation of arm 10, and then change lever ratio.
The lever ratio of pedal structure, that is, with pedal travel real-time change, can satisfy the need with the rotational angle of pedal swinging arm 10
Condition is constantly experienced, and improves operation comfort；Furthermore, it is possible to make lever ratio with pedal travel by adjusting guide surface
Increase and increase, so, the pedal travel reached compared with prior art needed for identical brake force is smaller, when running into emergency
When, operating personnel, which easily step on pedal, can make the position of vehicle fast braking, so as to avoid the potential safety hazard of automobile brake,
Give operating personnel's driving sensation of safety.
Wherein, pedal travel is directly proportional to the rotational angle of pedal swinging arm 10.Lever ratio is that acting on shown in Fig. 1 is stepped on
The point of application of power F in plate swing arm turns to the distance b of pedal swinging arm center of rotation with booster push rod tie point to pedal swinging arm
The ratio between the distance a at dynamic center.
Specifically, the connecting portion for being used to connect power-assisted device assembly on swing part 20 is connecting hole 22.
Alternatively, in embodiments of the invention, guide surface can be plane or curved surface.
When guide surface is curved surface, the location of degree of crook or center of circle by adjusting guide surface, can adjust
The tendency of lever curve is saved, so as to adjust braking effect.Such as the guide surface of protrusion and recessed guide surface are formed
The characteristic tendency of lever ratio is opposite.
Specifically, as shown in figure 9, in the prior art, lever ratio is fixed value, lever ratio characteristic curve is straight line.Pass through
Adjustment pedal structure can make the lever ratio of different automobile types in lever ratio characteristic curve lower limit a1 and the lever ratio characteristic curve upper limit
It is adjusted between a2.
As shown in figure 9, using the pedal structure of the present invention, lever ratio can be made with pedal row by adjusting guide surface
The increase of journey and first increases and then decreases, lever ratio characteristic curve are first to raise the curve reduced afterwards.
So, under conventional road conditions, driver is smaller to the force of pedal swinging arm, when pedal travel is smaller, lever ratio compared with
Small, vehicle can be braked slowly, and riding comfort is preferable.In case of emergency, driver increases pedal swinging arm 10 and exerted a force,
When pedal travel increases, lever ratio significantly increases, and operating personnel, which easily step on pedal, can make the position of vehicle fast braking,
Braking effect is improved, so as to avoid the potential safety hazard of automobile brake.
Certainly, in the unshowned alternate embodiment of accompanying drawing, can also adjust guide surface makes lever ratio characteristic
Tendency is first reduced and raised afterwards.Furthermore, it is possible to the swing part 20 with different guide surfaces is changed according to the demand of different automobile types,
Realize the exchange between different automobile types.
As depicted in figs. 1 and 2, in embodiments of the invention, the side towards lever ratio adjustment portion 30 of swing part 20 has
There is guide groove 21.Second end of lever ratio adjustment portion 30 abuts with guide groove 21 and can slided along guide groove 21, guide groove 21
Inner surface formed guide surface.
By above-mentioned setting, guide groove 21 can play position-limiting action to the slip of lever ratio adjustment portion 30, make lever ratio
The motion of adjustment portion 30 is relatively reliable.
In the unshowned alternate embodiment of accompanying drawing, guide surface can also be directly with swing part 20 towards lever ratio
The integrally formed protrusion surface in side of adjustment portion 30.
The structure design of guide surface is carried out according to camshaft principle, lever value can be made constantly to change with pedal travel.
As shown in fig. 7, in embodiments of the invention, guide groove 21 includes first surface 211, and first surface 211 is curved surface,
First surface 211 protrudes to the direction where lever ratio adjustment portion 30.
In above-mentioned setting, first surface 211 to the place direction of lever ratio adjustment portion 30 protrude when, lever ratio is with pedal travel
Increase and increase, vehicle can be made in case of emergency fast braking.
Certainly, in the unshowned alternate embodiment of accompanying drawing, first surface 211 can also be plane.
As shown in fig. 7, in embodiments of the invention, guide groove 21 also includes the second surface being connected with first surface 211
212, first surface 211 and second surface 212 are collectively forming guide surface.Second surface 212 is curved surface, second surface 212 to
Direction away from lever ratio adjustment portion 30 is recessed.When pedal swinging arm 10 is not acted on by external force, the second of lever ratio adjustment portion 30
End abuts with second surface 212.When pedal swinging arm 10 is acted on by external force, the second end of lever ratio adjustment portion 30 is along first
Move on surface 211.
By above-mentioned setting, when pedal swinging arm 10 is not by external force, i.e., when pedal structure is in original state, lever ratio adjusts
Portion 30 can be parked on the position contacted with second surface 212, fix the position of pedal swinging arm 10, will not shake.
Specifically, as shown in fig. 7, in embodiments of the invention, the bottom wall of guide groove 21 forms guide surface.
Specifically, as shown in fig. 7, second surface 212 is located at the lower section of first surface 211, i.e., second surface 212 relative to
Center of rotation of the first surface 211 close to swing part 20.So, when pedal swinging arm 10 is by external force, the inverse time of pedal swinging arm 10
Pin rotates, and lever ratio adjustment portion 30 promotes swing part 20 to turn clockwise, and the second end of lever ratio adjustment portion 30 is from second surface
212 slide into first surface 211.
As shown in figure 3, in embodiments of the invention, lever ratio adjustment portion 30 includes pushing away with what pedal swinging arm 10 was fixedly connected
Bar 32 and the rolling element 33 being pivotally connected with push rod 32.The outer surface of rolling element 33 abuts with the guide surface of swing part 20, with
Pedal swinging arm 10 is set to drive rolling element 33 to be rolled along guide surface when swinging.
In above-mentioned setting, the outer surface of rolling element 33 abuts with the guide surface of swing part 20, so, 10 turns of pedal swinging arm
When dynamic drive lever ratio adjustment portion 30 is moved, guide surface of the rolling element 33 along swing part 20 rolls, and can reduce lever ratio
Friction between adjustment portion 30 and guide surface, lever ratio adjustment portion 30 or guide surface is avoided to wear.
Specifically, rolling element 33 is roller.
As shown in figure 3, in embodiments of the invention, lever ratio adjustment portion 30 also includes bearing pin 34, and rolling element 33 is provided with
First pin-and-hole, push rod 32 are provided with the second pin-and-hole, and bearing pin 34 sequentially passes through the first pin-and-hole and the second pin-and-hole.Backstop cap is (in Fig. 3 not
Show) it is connected with one end of bearing pin 34, the other end of bearing pin 34 is provided with the first stopper section 35 being connected with bearing pin 34, to prevent shotpin
Axle 34 is deviate from from the first pin-and-hole and/or the second pin-and-hole.
In above-mentioned setting, bearing pin 34 sequentially passes through the first pin-and-hole and the second pin-and-hole, and such rolling element 33 pivots with push rod 32
Connection, backstop cap and the first stopper section 35 can prevent bearing pin 34 along its axial float.
Preferably, the first stopper section 35 and bearing pin 34 are detachably connected, are easy to change rolling element 33 according to vehicle.
Specifically, as shown in figure 3, dismounting for the ease of bearing pin 34, the first stopper section 35 is jump ring.
Above-mentioned setting structure is simple, convenient manufacture, and can dismantle bearing pin 34 to change the rolling element 33 of different-diameter,
The lever ratio characteristic curve of different automobile types is matched by changing the rolling element 33 of different-diameter, and the other elements of pedal structure
Structure it is constant, so as to reduce the development cost of mould.
As shown in figure 1, in embodiments of the invention, the tie point of lever ratio adjustment portion 30 and pedal swinging arm 10 to lever ratio
Line between adjustment portion 30 and the abutment of swing part 20 and the tie point of lever ratio adjustment portion 30 and pedal swinging arm 10 are to stepping on
There is angle α, angle α can adjust between the line of the center of rotation of plate swing arm 10.
The initial value of lever ratio, and the idle stroke of pedal can be adjusted by adjusting angle α.Specifically, angle α changes
Becoming, the distance a of booster push rod tie point when pedal structure is in original state to the center of rotation of pedal swinging arm 10 changes, because
This, the initial value of lever ratio changes.In such manner, it is possible to adapt to different automobile types and the use habit of driver, adaptability is cleverer
It is living.
Regulation angle α can make two of the theoretical lever ratio characteristic curve b0 both sides of lever ratio characteristic curve in fig.9
Change between actual lever ratio characteristic curve b1.Simultaneously as error be present in the manufacture of part and assembling process, when pedal knot
When structure is in original state, gap there may be between the element to be cooperated in pedal structure, pedal travel is started from scratch increasing
When big, it is understood that there may be the distance that one section of lever ratio is zero.By the regulation of angle α, the idle stroke of pedal can be reduced, raising is stepped on
The handling of harden structure.
As shown in figure 4, in embodiments of the invention, pedal swinging arm 10 is provided with the first mating holes, and push rod 32 is provided with the
Two mating holes 31.Wherein, the first mating holes and the second mating holes 31 are splined hole.As shown in Figure 3 and Figure 6, pedal structure is also
Including the splined shaft 40 coordinated with the first mating holes and the second mating holes 31.
By above-mentioned setting, the first mating holes and the second mating holes 31 coordinate with splined shaft 40, can limit pedal pendulum
The relative rotation of arm 10 and lever ratio adjustment portion 30, so in use, lever ratio adjustment portion 30 and the phase of pedal swinging arm 10
To fixation, can be moved with the rotation of pedal swinging arm 10.Meanwhile using spline fitted can adjust lever ratio adjustment portion 30 with
The relative position of pedal swinging arm 10, consequently facilitating changing angle α.
As shown in figure 5, in embodiments of the invention, the outer surface of splined shaft 40 opens up fluted 41, splined shaft 40 it is remote
One end from groove 41 is provided with the second stopper section 42.As shown in figure 3, pedal structure also includes the 3rd backstop coordinated with groove 41
Portion 50, to prevent splined shaft 40 from deviating from from the first mating holes and/or the second mating holes 31.
By above-mentioned setting, the second stopper section 42 and the 3rd stopper section 50 can prevent splined shaft 40 along its axial float,
Prevent splined shaft 40 from deviating from from the first mating holes and the second mating holes 31.
Preferably, in embodiments of the invention, groove 41 is annular groove, and the 3rd stopper section 50 is elastic circlip, elasticity
Jump ring has the hole clipping being adapted with annular groove so that the 3rd stopper section 50 is engaged by clamping with splined shaft 40.As shown in figure 3, bullet
Property jump ring also have connect with hole clipping first be open.
3rd stopper section 50 is arranged to elastic circlip, is easy to dismount the 3rd stopper section 50.Groove 41 is arranged to annular
Groove, hole clipping and the annular groove of elastic circlip coordinate, and can reliably fix the 3rd stopper section 50.On elastic circlip set with
First opening of hole clipping connection, is easy to dismount the 3rd stopper section 50, consequently facilitating adjustment angle α.
In embodiments of the invention, pedal structure also includes safeguard structure, when foot pedal support frame 60 is collided, protection
Structure is used to make swing part 20 from foot pedal support frame 60 depart from.
By above-mentioned setting, when vehicle is collided, foot pedal support frame 60 can deform because of collision, and safeguard structure can
So that swing part 20 departs from from foot pedal support frame 60, so that lever ratio adjustment portion 30 and the guide surface point of swing part 20
From pedal swinging arm 10 loses the strong point, and so, pedal swinging arm 10 will lose the injury effect to driver, improve vehicle
Crashworthiness.
Specifically, as shown in figure 1, vehicle also includes crash bar 80, crash bar 80 is connected with dashboard cross member.Pedal swinging arm
10 are arranged between crash bar 80 and swing part 20, i.e., crash bar 80 is arranged on the side of the close driver of pedal swinging arm 10.
Foot pedal support frame 60 is provided with the first axis hole, and pedal structure also includes first rotating shaft 70, and first rotating shaft 70 is arranged on the first axis hole
It is interior.Swing part 20 is pivotally connected by first rotating shaft 70 and foot pedal support frame 60.It is additionally provided with foot pedal support frame 60 and first axle
Second opening 61 of hole connection, the second opening 61 is on line of the center of the first axis hole with the center of rotation of pedal swinging arm 10
And the side of the remote lever ratio adjustment portion 30 positioned at the first axis hole.Wherein, the second opening 61 forms safeguard structure.
By above-mentioned setting, when a vehicle is in a collision, pedal swinging arm 10 is limited by crash bar will not be to crash bar
Direction movement, therefore, lever ratio adjustment portion 30 will not be moved.And foot pedal support frame 60 is because collision deforms, Xiang Fang
The direction movement of lance, swing part 20 move with foot pedal support frame 60.Now, swing part 20 can be with the of lever ratio adjustment portion 30
Two ends rotate for fulcrum, and direction of rotation is with the rotation direction in braking procedure on the contrary, being rotate counterclockwise in Fig. 1, so
First rotating shaft 70 can deviate from from the first axis hole, drive swing part 20 to depart from from foot pedal support frame 60, so that lever ratio is adjusted
Whole 30 the second end departs from guide surface, and pedal swinging arm 10 loses the strong point, so as to avoid to driver.
Alternatively, in embodiments of the invention, the both ends of first rotating shaft 70 are additionally provided with disconnecting prevention structure, so that first rotating shaft
70 will not deviate from during normally travel from the first axis hole.When colliding, disconnecting prevention structure, which loosens, causes first rotating shaft
70 can deviate from from the first axis hole.
Certainly, can also be in lever ratio adjustment portion 30 and pedal swinging arm 10 in the unshowned alternate embodiment of accompanying drawing
Junction set with second be open 61 similar structures so that lever ratio adjustment portion 30 when colliding at the first mating holes
Abjection.
As shown in figure 8, another embodiment of the present invention and the difference of above-described embodiment are, angle α is fixation
Value, it is unadjustable.Wherein, lever ratio adjustment portion 30 is welded to connect with pedal swinging arm 10.Two kinds of embodiments of the present invention can root
Selected according to the needs of different man-machine initial positions.
Specifically, as shown in figure 8, lever ratio adjustment portion 30 and the place of being welded to connect of pedal swinging arm 10 are located at pedal swinging arm 10
With its pivotal axis coordinate mounting hole at.
Alternatively, lever ratio adjustment portion 30 and pedal swinging arm 10 can also be formed in one structure.
Alternatively, in the unshowned alternate embodiment of accompanying drawing, lever ratio adjustment portion 30 can also be not provided with rolling element 33,
I.e. lever ratio adjustment portion 30 is push rod 32.The first end of push rod 32 is fixedly connected with pedal swinging arm 10, the second end of push rod 32 with
The guide surface of swing part 20 abuts, so as to drive push rod 32 to be slided along guide surface when pedal swinging arm 10 is swung.
So, swing part 20 can be promoted to be rotated around its oscillation center while push rod 32 slides along guide surface, from
And change lever ratio.
Alternatively, in the unshowned alternate embodiment of accompanying drawing, lever ratio adjustment portion 30 can also be not provided with push rod 32, i.e.,
Lever ratio adjustment portion 30 is the rolling element that is directly pivotally connected with pedal swinging arm 10, center of rotation and the pedal swinging arm 10 of rolling element
Center of rotation be arranged at intervals.The outer surface of rolling element abuts with the guide surface of swing part 20, so that pedal swinging arm 10 is swung
When drive rolling element rolled along guide surface.
So, swing part 20 can be promoted to be rotated around its oscillation center while rolling element rolls along guide surface, from
And change lever ratio.
Specifically, rolling element can be roller or cam.Alternatively, in the unshowned alternate embodiment of accompanying drawing, thick stick
Bar can also be the cam structure for being integrally formed or being welded to connect with pedal swinging arm 10 than adjustment portion 30, and the cam structure can be with
Any position of pedal swinging arm 10 is arranged on, the cam structure protrudes to the direction where swing part 20, to be supported with guide surface
Connect.Cam structure is driven to be slided along guide surface when pedal swinging arm 10 rotates, so as to promote swing part 20 to rotate, to change thick stick
Bar ratio.
Set-up mode in above-mentioned alternate embodiment can simplify the structure of lever ratio adjustment portion 30.
The invention provides a kind of lever ratio can with the pedal structure of real-time change and with the pedal structure vehicle.Together
When, brake pedal directly acts on part as foot, does not such as have safeguard procedures when colliding and occurring, it will to the small of driver
Leg, ankle and sole bring grievous injury, therefore the presence or absence of safeguard function of brake pedal is consider collision safety important
Index.The regulation of existing world's collision has been included in scoring item by pedal structure whether there is safeguard procedures.Therefore, in order to pursue
Safer driving demand, pedal structure of the invention have safeguard structure.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：Pass through setting
Pedal swinging arm is pivotally connected with foot pedal support frame, and swing part is pivotally connected with foot pedal support frame, and the center of rotation of swing part is with stepping on
The center of rotation of plate swing arm is arranged at intervals, and the first end of lever ratio adjustment portion is connected with pedal swinging arm, and the of lever ratio adjustment portion
Two ends abut with the guide surface of swing part all the time, so as to drive lever ratio adjustment portion when pedal swinging arm rotates along guide surface
Slide, so, the distance of the center of rotation of the point of application acted on pedal swinging arm to pedal swinging arm is fixed value, when pedal is put
When arm rotates under external force, lever ratio adjustment portion is moved with the rotation of pedal swinging arm and promoted during swing part rotates around it
The heart rotates, and so as to change the tie point of swing part and power-assisted device assembly to the distance of the center of rotation of pedal swinging arm, and then changes
Lever ratio.The lever ratio of pedal structure, that is, with pedal travel real-time change, can be entered with the rotational angle of pedal swinging arm to road conditions
Row is constantly experienced, and improves operation comfort；Furthermore, it is possible to make increase of the lever ratio with pedal travel by adjusting guide surface
And increase, so, the pedal travel reached compared with prior art needed for identical brake force is smaller, when in case of emergency,
Operating personnel, which easily step on pedal, can make the position of vehicle fast braking, so as to avoid the potential safety hazard of automobile brake.
In the description of the invention, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally, vertical,
Vertically, orientation or position relationship indicated by level " and " top, bottom " etc. are normally based on orientation or position shown in the drawings and closed
System, it is for only for ease of the description present invention and simplifies description, in the case where not making opposite explanation, these nouns of locality do not indicate that
There must be specific orientation with the device or element for implying meaning or with specific azimuth configuration and operation, therefore can not manage
Solve as limiting the scope of the invention；The noun of locality " inside and outside " refers to relative to inside and outside each part profile in itself.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of pedal structure, it is characterised in that the pedal structure includes：
Foot pedal support frame (60), is fixedly connected with vehicle body；
Pedal swinging arm (10), it is pivotally connected with the foot pedal support frame (60)；
Swing part (20), it is pivotally connected with the foot pedal support frame (60), the center of rotation of the swing part (20) is stepped on described
The center of rotation of plate swing arm (10) is arranged at intervals, and the swing part (20) is provided with the connecting portion for being used for connecting power-assisted device assembly；
Lever ratio adjustment portion (30), it is connected with the pedal swinging arm (10), at least one of lever ratio adjustment portion (30)
All the time the guide surface with the swing part (20) abuts, so that the pedal swinging arm (10) drives the lever ratio to adjust when rotating
Whole (30) are moved along the guide surface.
2. pedal structure according to claim 1, it is characterised in that the direction lever ratio of the swing part (20) is adjusted
The side of whole (30) has guide groove (21), and the second end of the lever ratio adjustment portion (30) abuts with the guide groove (21)
And can be slided along the guide groove (21), the inner surface of the guide groove (21) forms the guide surface.
3. pedal structure according to claim 2, it is characterised in that the guide groove (21) includes：
First surface (211), the first surface (211) is curved surface or plane, when the first surface (211) is curved surface
When, the first surface (211) is protruded to the direction where the lever ratio adjustment portion (30)；
Second surface (212), it is connected with the first surface (211), the second surface (212) is curved surface, second table
Face (212) is recessed to the direction away from the lever ratio adjustment portion (30), the first surface (211) and the second surface
(212) guide surface is collectively forming, when the pedal swinging arm (10) is not acted on by external force, the lever ratio adjustment portion
(30) the second end abuts with the second surface (212), when the pedal swinging arm (10) is acted on by external force, the lever
Moved along the first surface (211) at the second end than adjustment portion (30).
4. pedal structure according to any one of claim 1 to 3, it is characterised in that the lever ratio adjustment portion (30)
For push rod (32), the first end of the push rod (32) is fixedly connected with the pedal swinging arm (10), and the second of the push rod (32)
End abuts with the guide surface of the swing part (20), so that the pedal swinging arm (10) drives the push rod (32) edge when swinging
The guide surface to slide.
5. pedal structure according to any one of claim 1 to 3, it is characterised in that the lever ratio adjustment portion (30)
Including the push rod (32) being fixedly connected with the pedal swinging arm (10) and the rolling element (33) being pivotally connected with the push rod (32),
The outer surface of the rolling element (33) abuts with the guide surface of the swing part (20), so that the pedal swinging arm (10) is swung
When drive the rolling element (33) along the guide surface roll.
6. pedal structure according to claim 5, it is characterised in that the pedal swinging arm (10) is provided with first and coordinated
Hole, the push rod (32) are provided with the second mating holes (31), wherein, first mating holes and second mating holes (31) are equal
For splined hole, the pedal structure also includes the splined shaft coordinated with first mating holes and second mating holes (31)
(40), the outer surface of the splined shaft (40) opens up fluted (41), the remote groove (41) of the splined shaft (40)
One end is provided with the second stopper section (42), and the pedal structure also includes the 3rd stopper section (50) coordinated with the groove (41),
To prevent the splined shaft (40) from deviating from from first mating holes and/or second mating holes (31).
7. pedal structure according to any one of claim 1 to 3, it is characterised in that the lever ratio adjustment portion (30)
For the direct rolling element being pivotally connected with the pedal swinging arm (10), the center of rotation of the rolling element and the pedal swinging arm
(10) center of rotation is arranged at intervals, and the outer surface of the rolling element abuts with the guide surface of the swing part (20), so that
The pedal swinging arm (10) drives the rolling element to be rolled along the guide surface when swinging.
8. pedal structure according to any one of claim 1 to 3, it is characterised in that the pedal structure also includes anti-
Protection structure, when the foot pedal support frame (60) is collided, the safeguard structure is used to make the swing part (20) from described
Foot pedal support frame departs from (60).
9. pedal structure according to claim 8, it is characterised in that the foot pedal support frame (60) is provided with first axle
Hole, the pedal structure also include first rotating shaft (70), and the first rotating shaft (70) is arranged in first axis hole, the pendulum
Dynamic portion (20) are pivotally connected by the first rotating shaft (70) and the foot pedal support frame (60), on the foot pedal support frame (60)
The second opening (61) connected with first axis hole is additionally provided with, second opening (61) is located at the center of first axis hole
With on the line of the center of rotation of the pedal swinging arm (10) and positioned at first axis hole the remote lever ratio adjustment portion
(30) side, wherein, second opening (61) forms the safeguard structure.
10. a kind of vehicle, including vehicle body and the pedal structure that is connected with the vehicle body, it is characterised in that the pedal structure is
Pedal structure any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396075.XA CN107487303B (en) | 2017-05-27 | 2017-05-27 | Pedal structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710396075.XA CN107487303B (en) | 2017-05-27 | 2017-05-27 | Pedal structure and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107487303A true CN107487303A (en) | 2017-12-19 |
| CN107487303B CN107487303B (en) | 2019-09-20 |
Family
ID=60642113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710396075.XA Active CN107487303B (en) | 2017-05-27 | 2017-05-27 | Pedal structure and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN107487303B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547021A (en) * | 2020-04-13 | 2020-08-18 | 浙江零跑科技有限公司 | Novel brake pedal structure of automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3646831A (en) * | 1970-07-06 | 1972-03-07 | Ford Motor Co | Variable ratio brake pedal |
| DE2220051A1 (en) * | 1972-04-24 | 1973-11-08 | Hans O Schroeter | MECHANICAL-HYDRAULIC BRAKE ACTUATION DEVICE |
| US4069722A (en) * | 1976-03-11 | 1978-01-24 | General Motors Corporation | Variable ratio brake pedal lever assembly |
| US20050039563A1 (en) * | 2003-08-21 | 2005-02-24 | Haruo Arakawa | Brake operating apparatus |
| DE102005003886A1 (en) * | 2005-01-27 | 2006-08-03 | Volkswagen Ag | Pedal e.g. clutch pedal, work for motor vehicle, has coupling unit provided for power transmission from pedal lever to bell crank and tiltably supported at lever, where deflecting point of coupling unit is adjustable at crank |
| CN201808554U (en) * | 2010-09-30 | 2011-04-27 | 重庆御捷汽车部件有限公司 | Variable lever ratio pedal |
-
2017
- 2017-05-27 CN CN201710396075.XA patent/CN107487303B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3646831A (en) * | 1970-07-06 | 1972-03-07 | Ford Motor Co | Variable ratio brake pedal |
| DE2220051A1 (en) * | 1972-04-24 | 1973-11-08 | Hans O Schroeter | MECHANICAL-HYDRAULIC BRAKE ACTUATION DEVICE |
| US4069722A (en) * | 1976-03-11 | 1978-01-24 | General Motors Corporation | Variable ratio brake pedal lever assembly |
| US20050039563A1 (en) * | 2003-08-21 | 2005-02-24 | Haruo Arakawa | Brake operating apparatus |
| DE102005003886A1 (en) * | 2005-01-27 | 2006-08-03 | Volkswagen Ag | Pedal e.g. clutch pedal, work for motor vehicle, has coupling unit provided for power transmission from pedal lever to bell crank and tiltably supported at lever, where deflecting point of coupling unit is adjustable at crank |
| CN201808554U (en) * | 2010-09-30 | 2011-04-27 | 重庆御捷汽车部件有限公司 | Variable lever ratio pedal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547021A (en) * | 2020-04-13 | 2020-08-18 | 浙江零跑科技有限公司 | Novel brake pedal structure of automobile |
| CN111547021B (en) * | 2020-04-13 | 2021-10-26 | 浙江零跑科技股份有限公司 | Novel brake pedal structure of automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107487303B (en) | 2019-09-20 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pedal structure and vehicle Effective date of registration: 20211213 Granted publication date: 20190920 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
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Date of cancellation: 20231201 Granted publication date: 20190920 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
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