CN107487303B - Pedal structure and vehicle - Google Patents
Pedal structure and vehicle Download PDFInfo
- Publication number
- CN107487303B CN107487303B CN201710396075.XA CN201710396075A CN107487303B CN 107487303 B CN107487303 B CN 107487303B CN 201710396075 A CN201710396075 A CN 201710396075A CN 107487303 B CN107487303 B CN 107487303B
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- Prior art keywords
- pedal
- swinging arm
- lever ratio
- adjustment section
- swing part
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- 238000005096 rolling process Methods 0.000 claims description 34
- 210000002683 foot Anatomy 0.000 description 25
- 230000008859 change Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 210000003361 heart septum Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035807 sensation Effects 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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Elements And Transmission Devices (AREA)
- Mechanical Control Devices (AREA)
Abstract
The present invention provides a kind of pedal structure and vehicles.Wherein, pedal structure includes: foot pedal support frame, is fixedly connected with vehicle body；Pedal swinging arm is pivotally connected with foot pedal support frame；Swing part is pivotally connected with foot pedal support frame, and the center of rotation of swing part and the center of rotation interval of pedal swinging arm are arranged, and swing part is equipped with the interconnecting piece for connecting power-assisted device assembly；Lever ratio adjustment section, connect with pedal swinging arm, and at least part of lever ratio adjustment section is abutted with the guide surface of swing part always, so as to drive lever ratio adjustment section to move along guide surface when pedal swinging arm rotates.The present invention provides a kind of transformable pedal structure of lever ratio and vehicles.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of pedal structure and vehicle.
Background technique
The brake pedal of vehicle is the executing agency in braking system.In the prior art, brake pedal is used to have and be fixed
The structure of lever ratio.When brake pedal, pedal swinging arm around its fixing axle rotate, thus make booster push rod tie point with
Pedal swinging arm is swung.Wherein, the distance of the point of application acted on pedal swinging arm to pedal swinging arm center of rotation is pushed away with booster
The ratio of distances constant of bar tie point to pedal swinging arm center of rotation is lever ratio.Since lever ratio is fixed, brake force can only be with stepping on
The variation of plate stroke linear, cannot experience in real time road conditions, operating comfort is poor；Moreover, in case of emergency, operation
Personnel are difficult to step on pedal the maximum value of pedal travel, therefore braking effect is bad.
Summary of the invention
The main purpose of the present invention is to provide a kind of transformable pedal structure of lever ratio and vehicles.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of pedal structure, pedal structure packet
Include: foot pedal support frame is fixedly connected with vehicle body；Pedal swinging arm 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 interval of pedal swinging arm are arranged, and swing part is equipped with for connecting
The interconnecting piece of power-assisted device assembly；Lever ratio adjustment section, connect with pedal swinging arm, at least part of bar than adjustment section always with pendulum
The guide surface in dynamic portion abuts, so as to drive lever ratio adjustment section to move along guide surface when pedal swinging arm rotates.
Further, the side towards lever ratio adjustment section of swing part have guide groove, the second of lever ratio adjustment section
End abuts with guide groove and can slide along guide groove, and the inner surface of guide groove forms guide surface.
Further, guide groove includes: first surface, and first surface is curved surface or plane, when first surface is curved surface
When, the direction protrusion where first surface to lever ratio adjustment section；Second surface is connect with first surface, and second surface is song
Face, second surface is recessed to the direction far from lever ratio adjustment section, and guide surface is collectively formed in first surface and second surface, when
When pedal swinging arm is not by external force, the second end of lever ratio adjustment section is abutted with second surface, when pedal swinging arm is by external force
When effect, the second end of lever ratio adjustment section is moved along first surface.
Further, lever ratio adjustment section includes push rod, and the first end of push rod is fixedly connected with pedal swinging arm, and the of push rod
Two ends are abutted with the guide surface of swing part, so as to drive push rod to slide along guide surface when pedal swinging arm is swung.
Further, lever ratio adjustment section includes the push rod being fixedly connected with pedal swinging arm and the rolling that is pivotally connected with push rod
Kinetoplast, the outer surface of rolling element are abutted with the guide surface of swing part, so as to drive rolling element along leading when pedal swinging arm is swung
To surface scrolls.
Further, pedal swinging arm is equipped with the first matching hole, and push rod is equipped with the second matching hole, wherein the first cooperation
Hole and the second matching hole are splined hole, and pedal structure further includes the spline cooperated with the first matching hole and the second matching hole
Axis, the outer surface of splined shaft open up fluted, and one end of the separate groove of splined shaft is equipped with the second stopper section, and pedal structure also wraps
The third stopper section with groove cooperation is included, to prevent splined shaft from deviating from from the first matching hole and/or the second matching hole.
Further, lever ratio adjustment section is the rolling element being directly pivotally connected with pedal swinging arm, in the rotation of rolling element
The setting of the center of rotation interval of the heart and pedal swinging arm, the outer surface of rolling element is abutted with the guide surface of swing part, so that pedal
Rolling element is driven to roll along guide surface when swing arm is swung.
Further, pedal structure further includes safeguard structure, and when foot pedal support frame is collided, safeguard structure is for making
Swing part is detached from from foot pedal support frame.
Further, foot pedal support frame is equipped with first shaft hole, and pedal structure further includes first rotating shaft, first rotating shaft setting
In first shaft hole, swing part is pivotally connected by first rotating shaft and foot pedal support frame, is additionally provided on foot pedal support frame and first
Second opening of axis hole connection, the second opening is located on the line of the center of first shaft hole and the center of rotation of pedal swinging arm and position
In the side of the separate lever ratio adjustment section of first shaft hole, wherein the second opening forms safeguard structure.
According to another aspect of the present invention, a kind of vehicle is provided, including vehicle body and the pedal structure being connect with vehicle body,
Pedal structure is pedal structure above-mentioned.
Apply the technical scheme of the present invention, act on the point of application on pedal swinging arm to pedal swinging arm center of rotation away from
From for fixed value, when pedal swinging arm rotates under external force, lever ratio adjustment section is with the rotation of pedal swinging arm and along guiding
Apparent motion simultaneously pushes swing part to rotate around its oscillation center, 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 can constantly experience road conditions, improve operating comfort；Furthermore, it is possible to by adjusting leading
Increase lever ratio with the increase of pedal travel to surface, in this way, reaching needed for identical brake force compared with prior art
Pedal travel is smaller, and when in case of emergency, operator is easy to step on pedal that the position of vehicle fast braking can be made,
To avoid the security risk of automobile brake.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows a kind of structural schematic diagram of embodiment of pedal structure according to the present invention；
(treadle supporting is not shown in the schematic diagram for rotating an angle under external force Fig. 2 shows the pedal structure of Fig. 1
Frame)；
The push rod that Fig. 3 shows the pedal structure of Fig. 1 is connected to the structural schematic diagram of pedal swinging arm；
Fig. 4 shows the structural schematic diagram of the push rod of the pedal structure of Fig. 3；
Fig. 5 shows the splined shaft in Fig. 3 and the main view of the second stopper section；
Fig. 6 shows the right view of Fig. 5；
Fig. 7 shows the cross-sectional view of the swing part of the pedal structure of Fig. 1；
Fig. 8 shows the structural schematic diagram of another embodiment of pedal structure according to the present invention；And
Fig. 9 shows the lever ratio characteristic curve of pedal structure according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, pedal swinging arm；20, swing part；21, guide groove；211, first surface；212, second surface；22, connecting hole；
30, lever ratio adjustment section；31, the second matching hole；32, push rod；33, rolling element；34, pin shaft；35, the first stopper section；40, spline
Axis；41, groove；42, the second stopper section；50, third stopper section；60, foot pedal support frame；61, the second opening；70, first rotating shaft；
80, crash bar.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.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, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
The present invention provides a kind of pedal structure and vehicles.
In the embodiment of the present invention, vehicle includes vehicle body and the pedal structure that connect with vehicle body.
In the embodiment of the present invention, pedal structure is the executing agency in braking system, and braking system includes booster group
Part and the pedal structure being connect with power-assisted device assembly.
It in the present invention and the embodiment of the present invention, is fixed to solve lever ratio in the prior art, brake force can only be with
Pedal travel linear change, cannot experience in real time road conditions, and the poor problem of operating comfort provides a kind of lever ratio
Transformable pedal structure, specifically described below:
As shown in Figure 1, pedal structure includes foot pedal support frame 60, pedal swinging arm 10, swing part in the embodiment of the present invention
20 and lever ratio adjustment section 30.Foot pedal support frame 60 is fixedly connected with vehicle body.Pedal swinging arm 10 and foot pedal support frame 60, which pivot, to be connected
It connects.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 equipped with the interconnecting piece for connecting power-assisted device assembly.Lever ratio adjustment section 30 and pedal swinging arm 10 connect
It connects, at least part of lever ratio adjustment section 30 is abutted with the guide surface of swing part 20 always, so that pedal swinging arm 10 rotates
When drive lever ratio adjustment section 30 moved along guide surface.
In above-mentioned setting, act on the point of application on pedal swinging arm to pedal swinging arm 10 center of rotation distance to fix
Value, when pedal swinging arm 10 rotates under external force, lever ratio adjustment section 30 is with the rotation of pedal swinging arm 10 and along guiding table
Face moves and swing part 20 is pushed to rotate around it center rotating, due to the center of rotation of swing part 20 and the rotation of pedal swinging arm 10
Middle heart septum setting, 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 can satisfy the need with the rotational angle of pedal swinging arm 10 that is, with pedal travel real-time change
Condition is constantly experienced, and operating comfort is improved；Furthermore, it is possible to make lever ratio with pedal travel by adjusting guide surface
Increase and increase, in this way, pedal travel needed for reaching identical brake force compared with prior art is smaller, when an emergency situation is encountered
When, operator is easy to step on pedal that the position of vehicle fast braking can be made, so that the security risk of automobile brake is avoided,
Give operator's driving sensation of safety.
Wherein, pedal travel is directly proportional to the rotational angle of pedal swinging arm 10.Lever ratio is to act on to step on shown in Fig. 1
The distance b and booster push rod tie point of the point of application of power F in plate swing arm to pedal swinging arm center of rotation turn to pedal swinging arm
The ratio between the distance a at dynamic center.
Specifically, the interconnecting piece on swing part 20 for connecting power-assisted device assembly is connecting hole 22.
Optionally, in the embodiment of the present invention, guide surface can be plane or curved surface.
When guide surface is curved surface, by adjusting the location of the bending degree of guide surface or center of circle, can adjust
The tendency of lever curve is saved, so as to adjust braking effect.Such as protrusion guide surface and recessed guide surface be formed by
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, can make lever ratio with pedal row by adjusting guide surface using pedal structure of the invention
The increase of journey and first increases and then decreases, lever ratio characteristic curve are first to increase the curve reduced afterwards.
In this way, driver is smaller to the force of pedal swinging arm, and when pedal travel is smaller, lever compares under conventional road conditions
Small, vehicle can be braked slowly, and riding comfort is preferable.In case of emergency, driver exerts a force to the increase of pedal swinging arm 10,
When pedal travel increases, lever ratio is significantly increased, and operator is easy to step on pedal that the position of vehicle fast braking can be made,
Braking effect is improved, to avoid the security risk of automobile brake.
Certainly, in the unshowned alternate embodiment of attached drawing, also adjustable guide surface keeps lever ratio characteristic
Tendency is first reduced and is increased afterwards.Furthermore, it is possible to the swing part 20 with different guide surfaces is replaced according to the demand of different automobile types,
Realize the exchange between different automobile types.
As depicted in figs. 1 and 2, in the embodiment of the present invention, the side towards lever ratio adjustment section 30 of swing part 20 has
There is guide groove 21.The second end of lever ratio adjustment section 30 is abutted with guide groove 21 and can be 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 sliding of lever ratio adjustment section 30, make lever ratio
The movement of adjustment section 30 is relatively reliable.
In the unshowned alternate embodiment of attached drawing, guide surface be can also be directly with swing part 20 towards lever ratio
The integrally formed protrusion surface in the side of adjustment section 30.
The structure design that guide surface is carried out according to camshaft principle, can be such that lever value constantly changes with pedal travel.
As shown in fig. 7, guide groove 21 includes first surface 211 in the embodiment of the present invention, first surface 211 is curved surface,
It protrudes in direction where from first surface 211 to lever ratio adjustment section 30.
In above-mentioned setting, when first surface 211 is protruded to 30 direction of lever ratio adjustment section, 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 attached drawing, first surface 211 or plane.
As shown in fig. 7, guide groove 21 further includes the second surface connecting with first surface 211 in the embodiment of the present invention
212, guide surface is collectively formed in first surface 211 and second surface 212.Second surface 212 be curved surface, second surface 212 to
Direction far from lever ratio adjustment section 30 is recessed.When pedal swinging arm 10 is not by external force, the second of lever ratio adjustment section 30
End is abutted with second surface 212.When pedal swinging arm 10 is by external force, the second end of lever ratio adjustment section 30 is along first
Surface 211 moves.
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 adjustment
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 the embodiment of the present 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.In this way, when pedal swinging arm 10 is by external force, 10 inverse time of pedal swinging arm
Needle rotation, lever ratio adjustment section 30 push swing part 20 to rotate clockwise, and the second end of lever ratio adjustment section 30 is from second surface
212 slide into first surface 211.
As shown in figure 3, lever ratio adjustment section 30 includes pushing away with what pedal swinging arm 10 was fixedly connected in the embodiment of the present invention
Bar 32 and the rolling element 33 being pivotally connected with push rod 32.The outer surface of rolling element 33 is abutted with the guide surface of swing part 20, with
Rolling element 33 is driven to roll along guide surface when swinging pedal swinging arm 10.
In above-mentioned setting, the outer surface of rolling element 33 is abutted with the guide surface of swing part 20, in this way, 10 turns of pedal swinging arm
When dynamic drive lever ratio adjustment section 30 moves, rolling element 33 is rolled along the guide surface of swing part 20, can reduce lever ratio
Friction between adjustment section 30 and guide surface avoids lever ratio adjustment section 30 or guide surface from wearing.
Specifically, rolling element 33 is idler wheel.
As shown in figure 3, lever ratio adjustment section 30 further includes pin shaft 34 in the embodiment of the present invention, rolling element 33 is equipped with
First pin hole, push rod 32 are equipped with the second pin hole, and pin shaft 34 sequentially passes through the first pin hole and the second pin hole.Backstop cap is (in Fig. 3 not
Show) it is connect with one end of pin shaft 34, the other end of pin shaft 34 is equipped with the first stopper section 35 connecting with pin shaft 34, to prevent shotpin
Axis 34 is deviate from from the first pin hole and/or the second pin hole.
In above-mentioned setting, pin shaft 34 sequentially passes through the first pin hole and the second pin hole, and such rolling element 33 is pivoted with push rod 32
Connection, backstop cap and the first stopper section 35 can prevent pin shaft 34 along its axial float.
Preferably, the first stopper section 35 and pin shaft 34 are detachably connected, convenient for replacing rolling element 33 according to vehicle.
Specifically, as shown in figure 3, for the ease of pin shaft 34 dismounting, the first stopper section 35 be circlip.
Above-mentioned setting structure is simple, facilitates manufacture, and can dismantle pin shaft 34 to replace the rolling element 33 of different-diameter,
Match the lever ratio characteristic curves of different automobile types by replacing the rolling element 33 of different-diameter, and the other elements of pedal structure
Structure it is constant, to reduce the development cost of mold.
As shown in Figure 1, in the embodiment of the present invention, the tie point of lever ratio adjustment section 30 and pedal swinging arm 10 to lever ratio
Line between adjustment section 30 and the abutment of swing part 20 and the tie point of lever ratio adjustment section 30 and pedal swinging arm 10 are to stepping on
There is angle α, angle α is adjustable between the line of the center of rotation of plate swing arm 10.
By adjusting the initial value of the adjustable lever ratio of angle α and the idle stroke of pedal.Specifically, angle α changes
Becoming, the distance a of booster push rod tie point when pedal structure is in original state to 10 center of rotation of pedal swinging arm 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.
Can be made by adjusting angle α by two of theoretical lever ratio characteristic curve b0 two sides of the lever ratio characteristic curve in Fig. 9
Change between practical lever ratio characteristic curve b1.Simultaneously as there are errors in the manufacture and assembling process of part, when pedal knot
When structure is in original state, there may be gap between mutually matched element 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 adjusting of angle α, the idle stroke of pedal can reduce, raising is stepped on
The handling of hardened structure.
As shown in figure 4, in the embodiment of the present invention, pedal swinging arm 10 is equipped with the first matching hole, and push rod 32 is equipped with the
Two matching holes 31.Wherein, the first matching hole and the second matching hole 31 are splined hole.As shown in Figure 3 and Figure 6, pedal structure is also
Including the splined shaft 40 cooperated with the first matching hole and the second matching hole 31.
By above-mentioned setting, the first matching hole and the second matching hole 31 cooperate with splined shaft 40, can limit pedal pendulum
The relative rotation of arm 10 and lever ratio adjustment section 30, so in use, lever ratio adjustment section 30 and 10 phase of pedal swinging arm
To fixation, can be moved with the rotation of pedal swinging arm 10.Meanwhile using the adjustable lever ratio adjustment section of spline fitted 30 with
The relative position of pedal swinging arm 10, consequently facilitating changing angle α.
As shown in figure 5, in the embodiment of the present invention, the outer surface of splined shaft 40 opens up fluted 41, splined shaft 40 it is remote
One end from groove 41 is equipped with the second stopper section 42.As shown in figure 3, pedal structure further includes the third backstop cooperated with groove 41
Portion 50, to prevent splined shaft 40 from deviating from from the first matching hole and/or the second matching hole 31.
By above-mentioned setting, the second stopper section 42 and third stopper section 50 can prevent splined shaft 40 along its axial float,
Prevent splined shaft 40 from deviating from from the first matching hole and the second matching hole 31.
Preferably, in the embodiment of the present invention, groove 41 is annular groove, and third stopper section 50 is elastic circlip, elasticity
Circlip has card hole compatible with annular groove so that third stopper section 50 and splined shaft 40 are engaged by clamping.As shown in figure 3, bullet
Property circlip also have first be connected to card hole opening.
Elastic circlip is set by third stopper section 50, is easy to dismount third stopper section 50.Annular is set by groove 41
Groove, the card hole and annular groove of elastic circlip cooperate, and can be reliably fixed third stopper section 50.On elastic circlip setting with
First opening of card hole connection, third stopper section 50 easy to disassemble, consequently facilitating adjustment angle α.
In the embodiment of the present invention, pedal structure further includes safeguard structure, when foot pedal support frame 60 is collided, protection
Structure is for being detached from swing part 20 from foot pedal support frame 60.
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 is detached from from foot pedal support frame 60, to make the guide surface of lever ratio adjustment section 30 and swing part 20 point
From pedal swinging arm 10 loses supporting point and improves vehicle in this way, pedal swinging arm 10 will lose the harmful effect to driver
Crashworthiness.
Specifically, as shown in Figure 1, vehicle further includes crash bar 80, crash bar 80 is connect with dashboard cross member.Pedal swinging arm
10 are arranged between crash bar 80 and swing part 20, i.e. the side that the close driver of pedal swinging arm 10 is arranged in of crash bar 80.
Foot pedal support frame 60 is equipped with first shaft hole, and pedal structure further includes first rotating shaft 70, and first rotating shaft 70 is arranged in first shaft hole
It is interior.Swing part 20 is pivotally connected by first rotating shaft 70 with foot pedal support frame 60.It is additionally provided on foot pedal support frame 60 and first axle
Second opening 61 of hole connection, the second opening 61 are located on the line of the center of first shaft hole and the center of rotation of pedal swinging arm 10
And it is located at the side of the separate lever ratio adjustment section 30 of first shaft 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 it is mobile, therefore, lever ratio adjustment section 30 will not move.And foot pedal support frame 60 is because collision deforms, Xiang Fang
The direction of lance is mobile, and swing part 20 is mobile with foot pedal support frame 60.At this point, swing part 20 can be with the of lever ratio adjustment section 30
Two ends are fulcrum rotation, and direction of rotation is with the rotation direction in braking process on the contrary, being to rotate in Fig. 1 counterclockwise, in this way
First rotating shaft 70 can deviate from from first shaft hole, drive swing part 20 to be detached from from foot pedal support frame 60, to make lever ratio tune
Whole 30 second end and guide surface is detached from, and pedal swinging arm 10 loses supporting point, to avoid to driver.
Optionally, in the embodiment of the present 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 first shaft hole.When colliding, disconnecting prevention structure loosens so that first rotating shaft
70 can deviate from from first shaft hole.
It certainly, can also be in lever ratio adjustment section 30 and pedal swinging arm 10 in the unshowned alternate embodiment of attached drawing
Junction setting with second be open 61 similar structures so that lever ratio adjustment section 30 is when colliding at the first matching hole
Abjection.
As shown in figure 8, another embodiment of the invention and above-described embodiment the difference is that, angle α be fix
Value, it is unadjustable.Wherein, lever ratio adjustment section 30 and pedal swinging arm 10 are welded to connect.Two kinds of embodiments of the invention can root
Select according to different man-machine initial positions.
Specifically, as shown in figure 8, being located at pedal swinging arm 10 at the welded connecting of lever ratio adjustment section 30 and pedal swinging arm 10
With its pivotal axis cooperation mounting hole at.
Optionally, lever ratio adjustment section 30 and pedal swinging arm 10 or integrated formed structure.
Optionally, in the unshowned alternate embodiment of attached drawing, lever ratio adjustment section 30 can also be not provided with rolling element 33,
I.e. lever ratio adjustment section 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 slide along guide surface when pedal swinging arm 10 is swung.
In this way, push rod 32 can push swing part 20 to rotate around its oscillation center while sliding along guide surface, from
And change lever ratio.
Optionally, in the unshowned alternate embodiment of attached drawing, lever ratio adjustment section 30 can also be not provided with push rod 32, i.e.,
Lever ratio adjustment section 30 is the rolling element being directly pivotally connected with pedal swinging arm 10, the center of rotation and pedal swinging arm 10 of rolling element
Center of rotation interval setting.The outer surface of rolling element is abutted with the guide surface of swing part 20, so that pedal swinging arm 10 is swung
When drive rolling element rolled along guide surface.
In this way, rolling element can push swing part 20 to rotate around its oscillation center while rolling along guide surface, from
And change lever ratio.
Specifically, rolling element can be idler wheel or cam.Optionally, in the unshowned alternate embodiment of attached drawing, thick stick
Bar is also possible to the cam structure for being integrally formed or being welded to connect with pedal swinging arm 10 than adjustment section 30, which can be with
Any position of pedal swinging arm 10 is set, and the direction where the cam structure to swing part 20 is protruded, to support with guide surface
It connects.Cam structure is driven to slide along guide surface when pedal swinging arm 10 rotates, to push 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 section 30.
The present invention provides a kind of lever ratios can be with the pedal structure of real-time change and with the vehicle of the pedal structure.Together
When, brake pedal directly acts on part as foot, does not have safeguard procedures such as when colliding and occurring, it will to the small of driver
Leg, ankle and sole bring grievous injury, therefore the presence or absence of the safeguard function of brake pedal is consider collision safety important
Index.By pedal structure, whether there is or not safeguard procedures to be included in scoring item for the regulation of existing world's collision.Therefore, in order to pursue
Safer driving demand, pedal structure of the invention have safeguard structure.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements: passing through setting
Pedal swinging arm is pivotally connected with foot pedal support frame, and swing part is pivotally connected with foot pedal support frame, the center of rotation of swing part with step on
The center of rotation interval of plate swing arm is arranged, and the first end of lever ratio adjustment section is connect with pedal swinging arm, and the of lever ratio adjustment section
Two ends are abutted with the guide surface of swing part always, so as to drive lever ratio adjustment section along guide surface when pedal swinging arm rotates
Sliding, in this way, the distance of center of rotation for acting on the point of application on pedal swinging arm to pedal swinging arm is fixed value, when pedal pendulum
When arm rotates under external force, lever ratio adjustment section is moved with the rotation of pedal swinging arm and is pushed during swing part rotates around it
Heart rotation to change swing part at a distance from the tie point to the center of rotation of pedal swinging arm of power-assisted device assembly, and then changes
Lever ratio.The lever ratio of pedal structure with pedal swinging arm rotational angle, i.e., with pedal travel real-time change, can to road conditions into
Row is constantly experienced, and operating comfort is improved；Furthermore, it is possible to make lever ratio with the increase of pedal travel by adjusting guide surface
And increase, in this way, pedal travel needed for reaching identical brake force compared with prior art is smaller, when in case of emergency,
Operator is easy to step on pedal that the position of vehicle fast braking can be made, to avoid the security risk of automobile brake.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term 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 understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
It should be noted that term used herein above is merely to describe specific 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 singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of pedal structure, which is characterized in that the pedal structure includes:
Foot pedal support frame (60), is fixedly connected with vehicle body；
Pedal swinging arm (10) is pivotally connected with the foot pedal support frame (60)；
Swing part (20) is pivotally connected with the foot pedal support frame (60), and the center of rotation of the swing part (20) is stepped on described
The center of rotation interval of plate swing arm (10) is arranged, and the swing part (20) is equipped with the interconnecting piece for connecting power-assisted device assembly；
Lever ratio adjustment section (30) is connect with the pedal swinging arm (10), at least part of lever ratio adjustment section (30)
Always it is abutted with the guide surface of the swing part (20), so that the pedal swinging arm (10) drives the lever ratio tune when rotating
Whole (30) are moved along the guide surface；
The pedal structure further includes safeguard structure, and when the foot pedal support frame (60) is collided, the safeguard structure is used
In being detached from the swing part (20) from the foot pedal support frame (60)；
The foot pedal support frame (60) is equipped with first shaft hole, and the pedal structure further includes first rotating shaft (70), and described first
Shaft (70) is arranged in the first shaft hole, and the swing part (20) passes through the first rotating shaft (70) and the treadle supporting
Frame (60) is pivotally connected, and the second opening (61) being connected to the first shaft hole, institute are additionally provided on the foot pedal support frame (60)
The second opening (61) are stated to be located on the line of the center of the first shaft hole and the center of rotation of the pedal swinging arm (10) and position
In the side far from the lever ratio adjustment section (30) of the first shaft hole, wherein described in second opening (61) is formed
Safeguard structure.
2. pedal structure according to claim 1, which is characterized in that the swing part (20) towards the lever ratio tune
The side of whole (30) has guide groove (21), and the second end of the lever ratio adjustment section (30) is abutted 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, which is characterized in that the guide groove (21) includes:
First surface (211), the first surface (211) is curved surface or plane, when the first surface (211) are curved surface
When, the direction protrusion where first surface (211) the Xiang Suoshu lever ratio adjustment section (30)；
Second surface (212) is connect with the first surface (211), and the second surface (212) is curved surface, second table
Face (212) is recessed to the direction far from the lever ratio adjustment section (30), the first surface (211) and the second surface
(212) guide surface is collectively formed, when the pedal swinging arm (10) is not by external force, the lever ratio adjustment section
(30) second end is abutted with the second surface (212), when the pedal swinging arm (10) is by external force, the lever
Second end than adjustment section (30) is moved along the first surface (211).
4. pedal structure according to any one of claim 1 to 3, which is characterized in that the lever ratio adjustment section (30)
First end for push rod (32), the push rod (32) is fixedly connected with the pedal swinging arm (10), and the second of the push rod (32)
End is abutted with the guide surface of the swing part (20), so that the pedal swinging arm (10) drives the push rod (32) edge when swinging
Guide surface sliding.
5. pedal structure according to any one of claim 1 to 3, which is characterized in that the lever ratio adjustment section (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) is abutted 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, which is characterized in that the pedal swinging arm (10) is equipped with the first cooperation
Hole, the push rod (32) are equipped with the second matching hole (31), wherein first matching hole and second matching hole (31) are equal
For splined hole, the pedal structure further includes the splined shaft cooperated with first matching hole and second matching hole (31)
(40), the outer surface of the splined shaft (40) opens up fluted (41), separate the groove (41) of the splined shaft (40)
One end is equipped with the second stopper section (42), and the pedal structure further includes the third stopper section (50) with the groove (41) cooperation,
To prevent the splined shaft (40) abjection from first matching hole and/or second matching hole (31).
7. pedal structure according to any one of claim 1 to 3, which is characterized in that the lever ratio adjustment section (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 interval setting, the outer surface of the rolling element are abutted with the guide surface of the swing part (20), so that
The pedal swinging arm (10) drives the rolling element to roll along the guide surface when swinging.
8. a kind of vehicle, including vehicle body and the pedal structure being connect with the vehicle body, which is characterized in that the pedal structure is power
Benefit require any one of 1 to 7 described in pedal structure.
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 CN107487303A (en) | 2017-12-19 |
| CN107487303B true CN107487303B (en) | 2019-09-20 |
Family
ID=60642113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710396075.XA Expired - Fee Related CN107487303B (en) | 2017-05-27 | 2017-05-27 | Pedal structure and vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN107487303B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005067304A (en) * | 2003-08-21 | 2005-03-17 | Advics:Kk | Brake operating device |
-
2017
- 2017-05-27 CN CN201710396075.XA patent/CN107487303B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107487303A (en) | 2017-12-19 |
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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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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
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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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 |