Summary of the invention
The object of the invention is to provide a kind of pedal mechanism for vehicle, can the leg of available protecting navigating mate and foot.
For reaching above-mentioned advantage, the invention provides a kind of pedal mechanism for vehicle, it comprises bracket assembly and stretcher.Stretcher comprises the first pedal arm and the second pedal arm, and the first pedal arm and the second pedal arm interval are arranged, and the one end away from the second pedal arm and the bracket assembly of the first pedal arm are rotatably connected.One end near the first pedal arm of second pedal arm offers guide and limit hole, and guide and limit hole has first end and the second end relative with first end, and the second end is between first end and the first pedal arm.Pedal mechanism for vehicle also comprises at least one connecting panel and power-absorbing, and the two ends of each connecting panel are fixedly connected with the second pedal arm with the first pedal arm respectively.One end and first pedal arm of power-absorbing are fixed, and the other end of power-absorbing is convexly equipped with clamp, and clamp interference fit in guide and limit hole, and is held in the madial wall of first end.
In one embodiment of the invention, described guide and limit hole is strip arc-shaped through-hole.
In one embodiment of the invention, described clamp is cylindrical.
In one embodiment of the invention, the quantity of at least one described connecting panel is two, and two connecting panels are individually fixed in the two opposite sides of stretcher.
In one embodiment of the invention, one end of two described connecting panels is fixed on the first pedal arm by two fasteners, and the other end of two connecting panels is fixed on the second pedal arm by a fastener.
In one embodiment of the invention, the second described pedal arm be provided with pedal position away from the first pedal arm.
In one embodiment of the invention, described bracket assembly comprises rack body and adapter shaft, and adapter shaft is fixed on rack body, and one end away from the second pedal arm of the first pedal arm offers axle connecting bore, plugs for adapter shaft.
In one embodiment of the invention, described rack body comprises base, the first support of extending from base and be arranged at the second other support of the first support, and adapter shaft is fixed on the first support and the second support.
In one embodiment of the invention, described pedal mechanism for vehicle is braking pedal mechanism.
In one embodiment of the invention, described base offers the vacuum booster mounting hole for installing vacuum booster, the push rod of vacuum booster is fixedly connected with stretcher or connecting panel.
In pedal mechanism for vehicle of the present invention; stretcher is connected with power-absorbing; the clamp interference fit of projection on power-absorbing is in guide and limit hole; when automobile is subject to head-on crash; the dynamics that navigating mate applies on the footrests increases; clamp slides into the second end from the first end in guide and limit hole, and effective buffer action at the impulsive force of navigating mate leg and foot, thus reaches the protection leg of navigating mate and the object of foot.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification sheets, and can become apparent to allow above and other objects of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to its detailed description of the invention of pedal mechanism for vehicle proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
Figure 1 shows that the schematic perspective view of pedal mechanism for vehicle of the present invention under normal operating condition.Figure 2 shows that the schematic perspective view in another direction of the pedal mechanism for vehicle of Fig. 1.Refer to Fig. 1 and Fig. 2, the pedal mechanism for vehicle 10 of the present embodiment is braking pedal mechanism, it comprises bracket assembly 12, stretcher 13, two connecting panels 14 and power-absorbing 15, wherein, stretcher 13 and bracket assembly 12 are rotatably connected, and two connecting panels 14 and power-absorbing 15 are connected on stretcher 13.
Particularly, bracket assembly 12 comprises rack body 122 and connecting shaft component 123, the first support 122b that rack body 122 comprises base 122a, extend from base 122a and be arranged at the second other support 122c of the first support 122b, in the present embodiment, base 122a, the first support 122b and the second support 122c can be one-body molded.
Figure 3 shows that the schematic perspective view in another direction of the pedal mechanism for vehicle of Fig. 1.Please also refer to Fig. 3, base 122a is roughly square plate body, and position, intermediate portion offers vacuum booster mounting hole 122a '.Vacuum booster mounting hole 122a ' is for installing vacuum booster (not shown), vacuum booster is the brake power assist unit in brake system of car, and the vacuum that the vacuum pump that the vacuum produced when it utilizes engine petrol to work or diesel motor install additional produces amplifies brake pedal force by a certain percentage makes master brake cylinder generation hydraulic pressure make wheel drg produce resistance and then control car deceleration or braking to promote master cylinder piston.In the present embodiment, the push rod of vacuum booster can be fixedly connected with stretcher 13 or connecting panel 14, push rod can by the Movement transmit of stretcher 13 or connecting panel 14 to master cylinder piston, thus makes master brake cylinder produce hydraulic pressure to make wheel drg produce resistance and then control car deceleration or braking.The corner of vacuum booster mounting hole 122a ' offers four connecting bores (figure does not mark), and base 122a is fixedly connected with the front panel of automobile by these connecting bores and locking part.
First support 122b is approximately perpendicular to base 122a, and it is roughly ㄈ type along the cross-sectional plane be parallel on base 122a direction.The side plate that two of first support 122b are relative offers respectively the first mounting hole (figure does not mark).Second support 122c is arranged at the side of one of them side plate of the first support 122b, second support 122c has adapter plate 122d, adapter plate 122d and the first support 122b is oppositely arranged, and it offers the second mounting hole (figure do not mark), being centrally located on same straight line of the center of the second mounting hole and two the first mounting holes.Fin 122e is extended in the bottom of adapter plate 122d, and fin 122e is roughly vertical with adapter plate 122d, fin 122e offers assembly opening 122f, fin 122e can be fixedly connected with the front panel of automobile by assembly opening 122f and locking part.One end away from base 122a of first support 122b offers tapped bore 122g, one end away from base 122a of second support 122c offers tapped bore 122h, on the front panel that the first support 122b and the second support 122c can be fixed on automobile by tapped bore 122g, tapped bore 122h and locking part or fixed support.
In addition, rack body 122 is also connected with brake lamp controller 124 and bolt 125, brake lamp controller 124 is electrically connected with the stoplight stop lamp of automobile, and it is for controlling the open and close of stoplight stop lamp, to remind the navigating mate of front vehicle.Bolt 125 is fixedly connected with the vehicle body of automobile.
Connecting shaft component 123 comprises adapter shaft 123a and two nut 123b, adapter shaft 123a is through two first mounting holes of the first support 122b and second mounting hole of the second support 122c, the two ends of adapter shaft 123a respectively with two nut 123b screws thread fit, thus on the first support 122b adapter shaft 123a being fixed on rack body 122 and the second support 122c, but the structure of connecting shaft component 123 is not as limit.
Figure 4 shows that the perspective exploded view of the pedal mechanism for vehicle of Fig. 1.Refer to Fig. 4 and Fig. 3, stretcher 13 comprises the first pedal arm 132 and the second pedal arm 133, first pedal arm 132 and the second pedal arm 133 interval and arranges.One end away from the second pedal arm 133 and the bracket assembly 12 of the first pedal arm 132 are rotatably connected, and particularly, the first pedal arm 132 offers axle connecting bore 132a away from one end of the second pedal arm 133, plugs for adapter shaft 123a.One end near the second pedal arm 133 of first pedal arm 132 offers two the first assembly opening 132b and energy-absorbing assembly opening 132c, first assembly opening 132b and energy-absorbing assembly opening 132c is circular port, and the line at the center of the center of two the first assembly opening 132b and energy-absorbing assembly opening 132c is triangle.One end near the first pedal arm 132 of second pedal arm 133 offers guide and limit hole 133a and the second assembly opening 133b, guide and limit hole 133a and the second assembly opening 133b is spaced a distance, guide and limit hole 133a is strip arc-shaped through-hole, it has first end 133c and the second end 133d relative with first end 133c, the second end 133d is between first end 133c and the first pedal arm 132, and the second assembly opening 133b is circular port.Second pedal arm 133 be provided with pedal position 133e away from the first pedal arm 132, pedal position 133e is plate-like structure, and it is trampled for navigating mate.
One end of each connecting panel 14 offers two the 3rd assembly opening 14a, and the other end offers a 4th assembly opening 14b.Two the 3rd assembly opening 14a are corresponding with two the first assembly opening 132b respectively, and the 4th assembly opening 14b is corresponding with the second assembly opening 133b.Size and the structure of the 3rd assembly opening 14a, the 4th assembly opening 14b, the first assembly opening 132b, energy-absorbing assembly opening 132c and the second assembly opening 133b can be identical.Two connecting panels 14 are connected with stretcher 13 by three fasteners 142, and two connecting panels 14 lay respectively at the two opposite sides of stretcher 13.One end of two connecting panels 14 is fixed on the first pedal arm 132 by two fasteners 142, and the other end of two connecting panels 14 is fixed on the second pedal arm 133 by a fastener 142.Particularly, wherein two fasteners 142 are respectively successively through the 3rd assembly opening 14a of a connecting panel 14, the first assembly opening 132b of the correspondence of the first pedal arm 132 and the 3rd assembly opening 14a of another connecting panel 14 correspondence, two connecting panels 14 successively through the 4th assembly opening 14b of the 4th assembly opening 14b of a connecting panel 14, the second assembly opening 133b of the second pedal arm 133 and another connecting panel 14, thus are fixed on the two opposite sides of stretcher 13 by another fastener 142.Fastener 142 can be the fit structure of bolts and nuts, and namely the bar portion of bolt is through after above-mentioned multiple assembly opening, and its end coordinates with nut thread again.Fastener 142 also can be cylindrical pin, and the diameter of fastener 142 is slightly larger than the diameter of the first assembly opening 132b, the second assembly opening 133b, the 3rd assembly opening 14a and the 4th assembly opening 14b, and fastener 142 interference fit is in these assembly openings.
It should be noted that, the present embodiment is for two connecting panels 14, but the present invention is not as limit, in other embodiments, the quantity of connecting panel 14 can be one or more, namely the quantity of connecting panel 14 can be at least one, and when the quantity of connecting panel 14 is multiple, multiple connecting panel 14 can be stacked.
Power-absorbing 15 is roughly arch, and its one end and the first pedal arm 132 are fixed.The other end of power-absorbing 15 is convexly equipped with clamp 152, and clamp 152 is cylindrical, and it can be one-body molded with power-absorbing 15, also can be independently element and is fixed on one end of power-absorbing 15.Clamp 152 is corresponding with the guide and limit hole 133a of the second pedal arm 133, and can interference fit in the 133a of guide and limit hole, under initial confined state, clamp 152 is held in the madial wall of the first end 133c of guide and limit hole 133a.One end away from clamp 152 of power-absorbing 15 offers locking hole 15a, and energy-absorbing fastener 153 passes the energy-absorbing assembly opening 132c of locking hole 15a and the first pedal arm 132 and is fixed on the first pedal arm 132 one end of power-absorbing 15.Energy-absorbing fastener 153 can be the fit structure of bolts and nuts, and namely the bar portion of bolt is through after locking hole 15a and energy-absorbing assembly opening 132c, and its end coordinates with nut thread again.Energy-absorbing fastener 153 also can be cylindrical pin, and the diameter of energy-absorbing fastener 153 is slightly larger than the diameter of locking hole 15a and energy-absorbing assembly opening 132c, and energy-absorbing fastener 153 interference fit is in locking hole 15a and energy-absorbing assembly opening 132c.
Under abnormal driving state, two connecting panels 14 and power-absorbing 15 are fixed relative to stretcher 13, and navigating mate is by jamming on the pedal position 133e of the second pedal arm 133 of stretcher 13.During normal driving, navigating mate is firmly normal pedal force to pedal position 133e, in the present embodiment, normal pedal force is less than 1500N(newton usually), this kind of dynamics is not enough to the second pedal arm 133 is rotated relative to connecting panel 14 and power-absorbing 15, so stretcher 13 rotates around adapter shaft 123a together with two connecting panels 14 and power-absorbing 15, stretcher 13 or connecting panel 14 promote the push rod of vacuum booster, to control car deceleration or braking, realize the manipulation to automobile.
Figure 5 shows that the pedal mechanism for vehicle of Fig. 1 when automobile is collided by the schematic perspective view jammed on.Refer to Fig. 5, when automobile is subject to head-on crash, the acceleration/accel of automobile increases, under the impact of navigating mate foot acceleration/accel, the dynamics that navigating mate jams on pedal position 133e sharply increases, navigating mate is firmly collision pedal force to pedal position 133e, in the present embodiment, collision pedal force is more than or equal to 1500N usually, under the effect of this dynamics, second pedal arm 133 rotates along clockwise direction relative to the first pedal arm 132, the clamp 152 of power-absorbing 15 slides into the second end 133d from the first end 133c of guide and limit hole 133a, can effectively buffer action at the impulsive force of navigating mate leg and foot, thus the leg of protection navigating mate and foot.
It should be noted that, in other embodiments, due to the difference of the mechanical characteristics of pedal mechanism for vehicle 10, also can there is certain error with collision pedal force numerical value in normal pedal force, normal pedal force can be less than 1500 ± 200N, and collision pedal force can be more than or equal to 1500 ± 200N.In the present embodiment, pedal mechanism for vehicle 10 is braking pedal mechanism, but the present invention is not as limit, in other embodiments, in the structure of stretcher 13, connecting panel 14 and power-absorbing 15 accelerator pedal mechanism that also can be applicable to automobile or clutch pedal mechanism.Described accelerator pedal mechanism can be bracing wire throttle or E-gas.
In sum; in pedal mechanism for vehicle of the present invention; stretcher is connected with power-absorbing; the clamp interference fit of projection on power-absorbing is in guide and limit hole; when automobile is subject to head-on crash, the dynamics that navigating mate applies on the footrests increases, and clamp slides into the second end from the first end in guide and limit hole; effective buffer action at the impulsive force of navigating mate leg and foot, thus reaches the protection leg of navigating mate and the object of foot.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.