CN103909892B - Toe board - Google Patents
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- CN103909892B CN103909892B CN201310318648.9A CN201310318648A CN103909892B CN 103909892 B CN103909892 B CN 103909892B CN 201310318648 A CN201310318648 A CN 201310318648A CN 103909892 B CN103909892 B CN 103909892B
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Abstract
The present invention relates to a kind of toe board, when its object is to provide a kind of vehicle to be subject to impacting, the supporting role that left and right pin is subject to can keep the toe board balanced.This toe board, comprises the lower toe board be obliquely installed between automotive floor panel and front panel, and described lower toe board is provided with toe board, and the base of described lower toe board and upper toe board is hinged, is provided with elastic component between described lower toe board and upper toe board.The invention has the beneficial effects as follows: make left and right bipod be subject to identical bearing force, the elastic component simultaneously between upper and lower toe board also can play the effect of buffering, is suitable for promoting the use of.
Description
Technical field
The present invention relates to a kind of auto parts and components, particularly relate to a kind of toe board.
Background technology
In automobile generation head-on crash process; the shank of occupant and foot hold vulnerable position most; also be the critical positions supporting whole body movement and absorb secondary collision impact energy simultaneously; the support that can occupant left and right sides shank be subject to toe board or stretcher is stablized, balanced, plays vital effect to the protection of occupant in the collision process of front.
Usually at present, chaufeur left foot is placed on a fixing toe board; right crus of diaphragm is then placed in Das Gaspedal; but because the position of Das Gaspedal can change along with the extruding of shank; when therefore adopting the left foot toe board be completely fixed; easily cause the supporting role overbalance that left and right two shanks are subject to; thus causing dummy to fall, safety strap and the protective effect of safety air bag to occupant decline to a great extent.
Chinese patent publication No. CN102381368A discloses a kind of automobile footrest assembly, comprises toe board and mounting bracket, and toe board is arranged on automobile front floor by mounting bracket, and being provided with between described toe board and automobile front floor can the energy absorbent block of conquassation.
Chinese patent notification number CN1299933C discloses a kind of shock absorbing pad for vehicle, comprise the first impact absorbing layer of the impact in the borderline region being arranged on and occupant's foot placing side dissimilates with the energy-absorbing load absorbing car body in the car body deformation process that results from when vehicle collision, and be arranged on toe board side to be absorbed in the second shock absorbing portion of the impact produced in the high region of energy-absorbing load.Above two parts of patents are all only consider the problem of buffering energy-absorbing, and and unresolved left and right pin by supporting role overbalance, thus cause personal lack of equilibrium, the problem that safety strap and the protective effect of safety air bag to occupant decline to a great extent.
Summary of the invention
When the object of the present invention is to provide a kind of vehicle to be subject to impacting; the supporting role that left and right pin is subject to can keep the toe board balanced; supporting role overbalance is subject to solve the left and right pin existed in background technology; thus cause personal lack of equilibrium, the problem that safety strap and the protective effect of safety air bag to occupant decline to a great extent.
To achieve these goals, technical scheme of the present invention is: a kind of toe board, comprise the lower toe board be obliquely installed between automotive floor panel and front panel, described lower toe board is provided with toe board, the base of described lower toe board and upper toe board is hinged, is provided with elastic component between described lower toe board and upper toe board.The design philosophy of this technical scheme is: design double-deck toe board, upper toe board can rotate in the downward toe board direction of pressurized, and final ensure the Das Gaspedal of this toe board and another underfooting press down completely after inclination angle be consistent, thus making left and right bipod be subject to identical bearing force, the elastic component simultaneously between upper and lower toe board also can play the effect of buffering.
As preferably, what the both sides of described lower toe board were equipped with that upwards toe board direction extends allows toe board to snap in and the resilient barb stoping it to deviate from.When inclination angle when the inclination angle after upper toe board presses down presses down completely with Das Gaspedal is consistent, elastic component is in compressive state, in order to prevent elastic component resilience, inclination angle is played pendulum, thus cause left and right bipod to be subject to bearing force difference, therefore resilient barb is set, for hooking upper toe board, prevent its resilience.
As preferably, comprise toe board hydraulic control system, bracing or strutting arrangement, is arranged on and is arranged on brake pedal in Das Gaspedal, for the first displacement pickup detecting accelerator pedal displacement stroke, for detecting the second displacement sensor of brake pedal displacement stroke and being arranged on upper toe board, for detecting the triple motion sensor of upper toe board displacement stroke;
Described toe board hydraulic control system comprises the fluid reservoir for storing fluid, controls master cylinder and Hydraulic Pump, the inner chamber of described control master cylinder is the large stepped cavitys in middle little both sides, a left side is provided with in described stepped cavity, in, right three plungers, middle plunger is positioned in the middle part of stepped cavity, left, right two plungers are arranged in the plunger left and right sides, and it is left, the sectional area of right two plungers is all greater than the sectional area of middle plunger, left, right two plungers are between the step surface that the end face of stepped cavity is adjacent with this end face, left, in two plungers and the right side, in two plungers be connected respectively by pipe link, left, any one plunger in right two plungers is provided with the plunger rod extending to and control outside master cylinder,
A described left side, in, right three plungers in stepped cavity by forming first successively from left to right, second, 3rd and the 4th epitrochoidal chamber, described first epitrochoidal chamber is connected by the first oil line pipe with between fluid reservoir, 4th is connected by the 4th oil line pipe between epitrochoidal chamber with fluid reservoir, described Hydraulic Pump flows in second and third epitrochoidal chamber described for the fluid aspirating fluid reservoir, and the oil line pipe of Hydraulic Pump and second and the 3rd between epitrochoidal chamber is respectively equipped with switch valve, also oil return line is respectively equipped with between second and third epitrochoidal chamber and fluid reservoir, and oil return line is also respectively equipped with switch valve, described first and the 4th oil line pipe be also respectively equipped with switch valve,
Described left and right two plungers are respectively equipped with flexible adaptive device, flexible adaptive device comprises the buffering cavity be separately positioned in left and right two plungers, the first recoil spring being arranged on the buffer plunger in buffering cavity and being arranged between buffer plunger and relative buffering cavity end face; Buffering cavity in described left plunger is connected with the first epitrochoidal chamber, and the buffering cavity in right plunger is connected with the 4th epitrochoidal chamber;
The strut bar that described bracing or strutting arrangement comprises vertically or is obliquely installed, is slidably set in the carrying cover on strut bar, to be set on strut bar and to be positioned at the second recoil spring of carrying cover below and to connect the limit connector of carrying cover and vehicle body; Described lower toe board is provided with dodges mouth, and described plunger rod is through dodging mouth, and the handing-over of the end of plunger rod is on upper toe board; Control other end handing-over relative with plunger rod on master cylinder on carrying cover;
Be provided with storage cavity in this limit connector, be provided with priming device in this storage cavity, and this priming device be connected with the ACU of automobile air-bag system by signal wire (SW); When automobile collides, the ACU of automobile air-bag system controls while safe automobile air bag detonates; The ACU of automobile air-bag system also controls described priming device and detonates, and disconnects limit connector, removes the connection of carrying cover and vehicle body.
In vehicle drive process, because the position of Das Gaspedal can change along with trampling of chaufeur right crus of diaphragm, and the left foot of chaufeur to be shelved on automotive floor panel be changeless; Thus in vehicle drive process, the supporting role face that chaufeur left and right pin is trampled cannot be consistent, and makes the supporting role overbalance that chaufeur left and right pin is subject to, and this not only makes the traveling comfort in driver process reduce, easily tired; And when vehicle is subject to impacting, also because chaufeur left and right pin is by supporting role overbalance, and personal lack of equilibrium may be caused, safety strap and safety air bag are declined to the protective effect of chaufeur.
The object of the footrest system of this programme is to effectively solve in vehicle drive process, the supporting role face of trampling because of chaufeur left and right pin cannot be consistent, make the supporting role overbalance that chaufeur left and right pin is subject to, and the driver comfort produced reduces, chaufeur is easily tired; And when vehicle is subject to impacting, cause personal lack of equilibrium, make the problem that safety strap and safety air bag decline to the protective effect of chaufeur.
The footrest system of this programme detects the position of Das Gaspedal in real time by the first displacement pickup, detected the position of brake pedal by second displacement sensor, is detected the position of upper toe board by triple motion sensor;
In vehicle traveling process, when second displacement sensor detects that the displacement stroke of brake pedal is greater than zero, when namely chaufeur tramples brake pedal, toe board hydraulic control system does not work;
Under second displacement sensor detects that the displacement stroke of brake pedal is the prerequisite of zero, when the deviation at the inclination angle of Das Gaspedal and the inclination angle of upper toe board is greater than setting value, the inclination angle by being controlled master cylinder and the upper toe board of plunger rod adjustment by it of toe board hydraulic control system, makes the inclination angle of toe board and the inclination angle of Das Gaspedal be consistent; Thus making in vehicle drive process, the supporting role face that chaufeur left and right pin is trampled is consistent, and the supporting role balance that chaufeur left and right pin is subject to, improves driver comfort; Meanwhile, due to second, third epitrochoidal chamber in toe board hydraulic control system be communicated with Hydraulic Pump, for the driving epitrochoidal chamber of actuation plunger and plunger rod, and first and the 4th epitrochoidal chamber in hydraulic pump works process, do not bear pressure; Thus when automobile emergency stop or sudden stop, the upper toe board trampled of chaufeur left foot can also cushion impact suffered by chaufeur left foot by flexible adaptive device, and buffering course is mild, soft, improves driver comfort further;
And when vehicle is impacted, and while the ACU of automobile air-bag system control safe automobile air bag detonates, the priming device controlled in limit connector also detonates by the ACU of automobile air-bag system, disconnect limit connector, remove the connection of carrying cover and vehicle body, and then reliable and fast speed is removed and is controlled master cylinder and plunger rod to the support of upper toe board (this programme to remove the connection of carrying cover and vehicle body by priming device, its moment that can collide at automobile removes the connection of carrying cover and vehicle body immediately); Control master cylinder and carrying cover are moved down along strut bar, thus toe board can be rotated in toe board direction downwards, and final ensure the Das Gaspedal of this toe board and another underfooting press down completely after inclination angle be consistent, thus make left and right bipod be subject to identical bearing force, ensure chaufeur person balance.The first recoil spring simultaneously on strut bar and the elastic component between upper and lower toe board also can play buffer action.
As preferably, limit connector comprises the permanent seat that is fixedly mounted on vehicle body and is fixed on the limit base carrying and put, described limit base is provided with pilot hole, is provided with slidably spacing inserted link, and is provided with thrust spring between spacing inserted link and pilot hole bottom surface in pilot hole; Described storage cavity is arranged in permanent seat, and be provided with the spacing jack matched with spacing inserted link on permanent seat, towards the side of spacing inserted link, this spacing jack is connected with described storage cavity; Described spacing inserted link is plugged in spacing jack.After priming device detonates, the limit connector of this programme structure can fast, failure-free ensures limit connector to disconnect, and removes the connection of carrying cover and vehicle body.
As preferably, the import of Hydraulic Pump is connected by working connection pipeline with between fluid reservoir, and hydraulic pressure delivery side of pump is connected with second, third epitrochoidal chamber by second, third oil line pipe, and second, third oil line pipe is respectively equipped with switch valve; Be provided with the second oil returning tube between second oil line pipe and fluid reservoir, and the interface of the second oil returning tube and the second oil line pipe is on the second oil line pipe between the switch valve and the second epitrochoidal chamber of the second oil line pipe; 3rd is provided with the 3rd oil returning tube between oil line pipe and fluid reservoir, and the interface of the 3rd oil returning tube and the 3rd oil line pipe is on the 3rd oil line pipe between the switch valve and the 3rd epitrochoidal chamber of the 3rd oil line pipe; Second, third oil returning tube described is respectively equipped with switch valve, and the switch valve on second, third oil returning tube is normally open solenoid valve, switch valve on second, third oil line pipe described is normally closed solenoid valve, and the switch valve on described first, the 4th oil line pipe is normally closed solenoid valve; Described first, the 4th oil line pipe and second, third oil line pipe are formed by flexible pipe.When in toe board hydraulic system fault, out-of-run situation, this programme structure can ensure that toe board is in stabilized conditions, even if upper toe board is subject to trampling also can not produce and significantly rotating of chaufeur left foot, and upper toe board can also cushion impact suffered by chaufeur left foot by flexible adaptive device, and buffering course is mild, soft, improves driver comfort further.
As preferably, the top of described upper toe board is provided with the baffle plate to extending away from lower toe board direction.Vehicle is impacted, and the pin of people can move forward, and tiptoe may touch in front panel, causes damage, therefore arranges baffle plate and stops tiptoe touching front panel.
As preferably, the surface towards upper toe board of described baffle plate is provided with cushion.This is intended to protection tiptoe and does not damage by baffle plate.
As preferably, described elastic component has multiple.
As preferably, described elastic component is spring, and the two ends of spring are connected respectively on the apparent surface of lower toe board and upper toe board.
As preferably, described upper toe board upper surface is provided with anti-slip veins.Increase the friction force of sole and upper toe board, reduce pin impulse force forward.
The beneficial effect of toe board of the present invention is: make left and right bipod be subject to identical bearing force, and the elastic component simultaneously between upper and lower toe board also can play the effect of buffering.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the toe board in the embodiment of the present invention 1;
Fig. 2 is the using state schematic diagram of the toe board in the embodiment of the present invention 1;
Fig. 3 is the toe board a kind of structural representation in actual use in the embodiment of the present invention 2;
Fig. 4 is the partial enlarged drawing at A place in Fig. 3;
Fig. 5 is a kind of structural representation of the toe board hydraulic control system in the embodiment of the present invention 2;
Fig. 6 is the partial enlarged drawing at B place in Fig. 5.
Number in the figure is respectively: floor 1, front panel 2, lower toe board 3, upper toe board 4, spring 5, resilient barb 6, baffle plate 7, cushion 8, strut bar 9, carrying cover 10, limit connector 11, second recoil spring 12, control master cylinder 13, plunger rod 14, dodge mouth 15, limit base 16, spacing inserted link 17, permanent seat 18, priming device 19, thrust spring 20, left, in, right three plungers 21, 22, 24, first epitrochoidal chamber 25, second epitrochoidal chamber 26, 3rd epitrochoidal chamber 27, 4th epitrochoidal chamber 28, first oil line pipe 29, second oil line pipe 30, 3rd oil line pipe 31, 4th oil line pipe 32, Hydraulic Pump 33, second oil returning tube 34, 3rd oil returning tube 35, fluid reservoir 36, buffering cavity 37, buffer plunger 38, first recoil spring 39.
Detailed description of the invention
Also by reference to the accompanying drawings technical scheme of the present invention is further described specifically below by embodiment.
Embodiment 1: a kind of toe board, as depicted in figs. 1 and 2, comprise the lower toe board 3 be obliquely installed between automotive floor panel 1 and front panel 2, described lower toe board 3 is provided with toe board 4, described lower toe board 3 is hinged with the base of upper toe board 4, be provided with between described lower toe board 3 and upper toe board 4 in multiple spring 5(accompanying drawing and only draw two as illustrating), the two ends of spring 5 are connected respectively to lower toe board 3 with on the apparent surface of upper toe board 4.
The both sides of described lower toe board 3 are equipped with the resilient barb 6 of upwards toe board 4 direction extension, and this resilient barb 6 can allow toe board 4 to snap in and stop it to deviate from.
The top of described upper toe board 4 is provided with the baffle plate 7 to extending away from lower toe board 3 direction, and the surface towards upper toe board 4 of described baffle plate 7 is provided with cushion 8.
Described upper toe board 4 upper surface is provided with anti-slip veins.
In automobile generation head-on crash process, the extruding of chaufeur left foot to upper toe board 4 will make its inclination angle change, and finally ensure that the inclination angle after pressing down completely with Das Gaspedal is consistent, now resilient barb 6 stops upper toe board 4 to be deviate from, thus makes left and right bipod be subject to identical bearing force.
Embodiment 2: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As shown in Fig. 3, Fig. 5, a kind of toe board, comprise toe board hydraulic control system, bracing or strutting arrangement, is arranged in Das Gaspedal, for detecting the first displacement pickup of accelerator pedal displacement stroke and being arranged on brake pedal, for detecting the second displacement sensor of brake pedal displacement stroke and being arranged on upper toe board, for detecting the triple motion sensor of upper toe board displacement stroke.The first displacement pickup in the present embodiment, second displacement sensor and triple motion sensor are angular-motion transducer.
Toe board hydraulic control system comprises the fluid reservoir 36 for storing fluid, controls master cylinder 13 and Hydraulic Pump 33.The inner chamber controlling master cylinder 13 is the large stepped cavitys in middle little both sides.Three, left, center, right plunger 21,22,24 is provided with in stepped cavity.Middle plunger 22 is positioned in the middle part of stepped cavity, and left and right two plungers 21,24 are arranged in the plunger left and right sides, and the sectional area of left and right two plungers is all greater than the sectional area of middle plunger.Left and right two plungers 21,24 are between the step surface that the end face of stepped cavity is adjacent with this end face.Left, in two plungers 21,22 with right, in two plungers 24,22 be connected respectively by pipe link 23.Any one plunger in left and right two plungers 21,24 is provided with the plunger rod 14 extending to and control outside master cylinder.
Three, left, center, right plunger 21,22,24 in stepped cavity by forming first, second, third and the 4th epitrochoidal chamber 25,26,27,28 from left to right successively; Wherein the first epitrochoidal chamber 25 is between left plunger 21 and relative stepped cavity end face, second epitrochoidal chamber 26 left, between two plungers 21,22,3rd epitrochoidal chamber 27 in, between right two plungers 22,24, the 4th epitrochoidal chamber 28 is between right plunger 24 and relative stepped cavity end face.First epitrochoidal chamber 25 is connected by the first oil line pipe 29 with between fluid reservoir 36.4th epitrochoidal chamber 28 is connected by the 4th oil line pipe 32 with between fluid reservoir 36.Hydraulic Pump 33 flows in second and third epitrochoidal chamber 26,27 described for the fluid aspirating fluid reservoir 36, is also respectively equipped with oil return line between second and third epitrochoidal chamber and fluid reservoir; Specifically, the import of Hydraulic Pump 36 is connected by working connection pipeline with between fluid reservoir 36, and the outlet of Hydraulic Pump 36 is connected with second, third epitrochoidal chamber 26,27 by second, third oil line pipe 30,31; Second, third oil line pipe 30,31 is respectively equipped with switch valve; Be provided with the second oil returning tube 34 between second oil line pipe 30 and fluid reservoir 36, and the interface of the second oil returning tube and the second oil line pipe is on the second oil line pipe between the switch valve and the second epitrochoidal chamber of the second oil line pipe; Be provided with the 3rd oil returning tube 35 between 3rd oil line pipe 31 and fluid reservoir 36, and the interface of the 3rd oil returning tube and the 3rd oil line pipe is on the 3rd oil line pipe between the switch valve and the 3rd epitrochoidal chamber of the 3rd oil line pipe.Switch valve on second, third oil line pipe is normally closed solenoid valve.Second, third oil returning tube is respectively equipped with switch valve, and the switch valve on second, third oil returning tube is normally open solenoid valve.The first, the 4th oil line pipe is respectively equipped with switch valve, and the switch valve on the first, the 4th oil line pipe is make and break electromagnetic valve.The first, the 4th oil line pipe and second, third oil line pipe are formed by flexible pipe.
As shown in Figure 5, Figure 6, left and right two plungers 21,24 are respectively equipped with flexible adaptive device.Flexible adaptive device comprises the buffering cavity 37 be separately positioned in left and right two plungers, the first recoil spring 39 being arranged on the buffer plunger 38 in buffering cavity and being arranged between buffer plunger and relative buffering cavity end face.Buffering cavity 37 in left plunger 21 is connected with the first epitrochoidal chamber 25, and the buffering cavity 37 in right plunger 24 is connected with the 4th epitrochoidal chamber 28.
As shown in Figure 5, when toe board hydraulic control system does not work, the first, the normally closed solenoid valve on the 4th oil line pipe 29,32 and second, third oil line pipe 30,31 is in closed condition, and the normally open solenoid valve on second, third oil returning tube 34,35 is in opening; Thus when toe board hydraulic control system does not work, can ensure that toe board 4 is in stabilized conditions, even if upper toe board is subject to trampling also can not produce and significantly rotating of chaufeur left foot; And upper toe board 4 can also cushion impact suffered by chaufeur left foot by flexible adaptive device, and buffering course is mild, soft, improves driver comfort further.
As shown in Figure 3, Figure 4, bracing or strutting arrangement comprises vertically or the strut bar 9 be obliquely installed, slidably be set in the carrying cover 10 on strut bar, be set on strut bar and be positioned at the second recoil spring 12 of carrying cover below and connect the limit connector 11 of carrying cover 10 and vehicle body.By limit connector, carrying cover is fixed on vehicle body.Lower toe board 3 is provided with dodges mouth 15.The plunger rod 14 of toe board hydraulic control system is through dodging mouth 15, and the handing-over of the end of plunger rod 14 is on upper toe board 4; Control other end handing-over relative with plunger rod on master cylinder 13 on carrying cover 10.
Limit connector 11 comprises the permanent seat 18 be fixedly mounted on vehicle body and the limit base 16 be fixed on carrying cover 10.Limit base 16 is provided with pilot hole.Be provided with slidably spacing inserted link 17 in pilot hole, and be provided with thrust spring 20 between spacing inserted link and pilot hole bottom surface.Be provided with storage cavity in limit connector 11, specifically, in permanent seat 18, be provided with storage cavity.The spacing jack matched with spacing inserted link is provided with on permanent seat 18, towards the side of spacing inserted link.This spacing jack is connected with described storage cavity.Spacing inserted link 17 is plugged in spacing jack.Store in cavity and be provided with priming device 19, and this priming device is connected with the ACU of automobile air-bag system by signal wire (SW).The ACU of automobile air-bag system is the controller of automobile air-bag system.When automobile collides, the ACU of automobile air-bag system controls while safe automobile air bag detonates; The priming device that the ACU of automobile air-bag system also controls in limit connector detonates, and disconnects limit connector, removes the connection of carrying cover and vehicle body.
The specific works process of the footrest system of the present embodiment is as follows:
Detected the position of Das Gaspedal by the first displacement pickup in real time, detected the position of brake pedal by second displacement sensor, detected the position of upper toe board by triple motion sensor;
In vehicle traveling process, when second displacement sensor detects that the displacement stroke of brake pedal is greater than zero, when namely chaufeur tramples brake pedal, toe board hydraulic control system does not work;
When second displacement sensor detects (namely chaufeur does not trample brake pedal) under the displacement stroke of brake pedal is the prerequisite of zero, when the deviation at the inclination angle of Das Gaspedal and the inclination angle of upper toe board is greater than setting value:
As shown in Fig. 3, Fig. 5, toe board hydraulic control system is by Hydraulic Pump 36, and second, third oil line pipe 30,31 pressurizes in the second epitrochoidal chamber 26 or the 3rd epitrochoidal chamber 27, and coordinates the inclination angle controlling master cylinder 13 and the upper toe board 4 of plunger rod 14 adjustment; The inclination angle of toe board and the inclination angle of Das Gaspedal are consistent; Thus making in vehicle drive process, the supporting role face that chaufeur left and right pin is trampled is consistent, and the supporting role balance that chaufeur left and right pin is subject to, improves driver comfort.
When the inclination angle of upper toe board and the inclination angle of Das Gaspedal consistent after, toe board hydraulic control system quits work, normally closed solenoid valve the first, on the 4th oil line pipe and second, third oil line pipe is in closed condition, and the normally open solenoid valve on second, third oil returning tube is in opening.
Due to second, third epitrochoidal chamber 26,27 in toe board hydraulic control system be communicated with Hydraulic Pump 36, for the driving epitrochoidal chamber of actuation plunger and plunger rod, and first and the 4th epitrochoidal chamber 25,28 in Hydraulic Pump 36 working process, do not bear pressure, thus the first recoil spring 39 of flexible adaptive device is in elastic stage; When under the out-of-run prerequisite of toe board hydraulic control system, during the pressure increase that upper toe board 4 is subject to, transmission changes by the buffering cavity 37 in left and right two plungers 21,24 be communicated with second, third epitrochoidal chamber 26,27, the actual volume of the second epitrochoidal chamber 26 is increased, and the actual volume of the 3rd epitrochoidal chamber 27 reduces, thus the downward toe board 3 making toe board 4 mild, soft rotates; Thus when automobile emergency stops or sudden stop when, the upper toe board 4 trampled of chaufeur left foot can cushion impact suffered by chaufeur left foot by flexible adaptive device; And buffering course is mild, soft, improves driver comfort further.
When vehicle is impacted, the ACU of automobile air-bag system controls while safe automobile air bag detonates, the priming device 19 controlled in limit connector also detonates by the ACU of automobile air-bag system, disconnect limit connector 11, even if spacing inserted link 17 shifts out instantaneously by the spacing jack of permanent seat 18, remove the connection between permanent seat 18 and limit base 16, thus remove the connection of carrying cover 10 and vehicle body; And then reliable also fast speed removes control master cylinder 13 and the support of plunger rod 14 to upper toe board 4 (removes the connection of carrying cover and vehicle body by priming device, its moment that can collide at automobile removes carrying cover and the connection of vehicle body immediately, ensures ageing); Control master cylinder 13 and carrying cover 10 are moved down along strut bar 9, thus toe board 4 can be rotated in toe board direction downwards, and final ensure the Das Gaspedal of this toe board and another underfooting press down completely after inclination angle be consistent, thus make left and right bipod be subject to identical bearing force, ensure chaufeur person balance.The first recoil spring simultaneously on strut bar and the elastic component between upper and lower toe board also can play buffer action.
Claims (8)
1. a toe board, it is characterized in that: comprise the lower toe board (3) be obliquely installed between automotive floor panel (1) and front panel (2), described lower toe board (3) is provided with toe board (4), described lower toe board (3) is hinged with the base of upper toe board (4), is provided with elastic component between described lower toe board (3) and upper toe board (4);
Comprise toe board hydraulic control system, bracing or strutting arrangement, is arranged on and is arranged on brake pedal in Das Gaspedal, for the first displacement pickup detecting accelerator pedal displacement stroke, for detecting the second displacement sensor of brake pedal displacement stroke and being arranged on upper toe board, for detecting the triple motion sensor of upper toe board displacement stroke;
Described toe board hydraulic control system comprises the fluid reservoir (36) for storing fluid, controls master cylinder (13) and Hydraulic Pump (33), the inner chamber of described control master cylinder is the large stepped cavitys in middle little both sides, a left side is provided with in described stepped cavity, in, right three plungers (21, 22, 24), middle plunger is positioned in the middle part of stepped cavity, left, right two plungers are arranged in the plunger left and right sides, and it is left, the sectional area of right two plungers is all greater than the sectional area of middle plunger, left, right two plungers are between the step surface that the end face of stepped cavity is adjacent with this end face, left, in two plungers and the right side, in two plungers be connected respectively by pipe link (23), left, any one plunger in right two plungers is provided with the plunger rod (14) extending to and control outside master cylinder,
A described left side, in, right three plungers in stepped cavity by forming first successively from left to right, second, 3rd and the 4th epitrochoidal chamber (25, 26, 27, 28), described first epitrochoidal chamber is connected by the first oil line pipe (29) with between fluid reservoir, 4th is connected by the 4th oil line pipe (32) between epitrochoidal chamber with fluid reservoir, described Hydraulic Pump (33) is for aspirating the fluid of fluid reservoir (36) to second and third epitrochoidal chamber (26 described, 27) flowing in, and the oil line pipe of Hydraulic Pump and second and the 3rd between epitrochoidal chamber is respectively equipped with switch valve, also oil return line is respectively equipped with between second and third epitrochoidal chamber and fluid reservoir, and oil return line is also respectively equipped with switch valve, described first and the 4th oil line pipe be also respectively equipped with switch valve,
Described left and right two plungers (21,24) are respectively equipped with flexible adaptive device, flexible adaptive device comprises the buffering cavity (37) be separately positioned in left and right two plungers, the first recoil spring (39) being arranged on the buffer plunger (38) in buffering cavity and being arranged between buffer plunger and relative buffering cavity end face; Buffering cavity (37) in described left plunger (21) is connected with the first epitrochoidal chamber (25), and the buffering cavity (37) in right plunger (24) is connected with the 4th epitrochoidal chamber (28);
Described bracing or strutting arrangement comprises vertically or the strut bar (9) be obliquely installed, slidably be set in the carrying cover (10) on strut bar, be set on strut bar and be positioned at second recoil spring (12) of carrying cover below and connect the limit connector (11) of carrying cover and vehicle body; Described lower toe board is provided with dodges mouth (15), and described plunger rod (14) is through dodging mouth, and the handing-over of the end of plunger rod is on upper toe board (4); Control the upper other end relative with the plunger rod handing-over of master cylinder (13) in carrying cover (10);
This limit connector is provided with storage cavity in (11), be provided with priming device (19), and this priming device is connected in this storage cavity with the ACU of automobile air-bag system by signal wire (SW); When automobile collides, the ACU of automobile air-bag system controls while safe automobile air bag detonates; The ACU of automobile air-bag system also controls described priming device and detonates, and disconnects limit connector, removes the connection of carrying cover and vehicle body.
2. toe board according to claim 1, is characterized in that: what the both sides of described lower toe board (3) were equipped with that upwards toe board (4) direction extends allows toe board (4) to snap in and the resilient barb (6) stoping it to deviate from.
3. toe board according to claim 1, it is characterized in that: described limit connector (11) comprises the permanent seat (18) that is fixedly mounted on vehicle body and is fixed on the limit base (16) carrying and put, described limit base is provided with pilot hole, be provided with slidably spacing inserted link (17) in pilot hole, and be provided with thrust spring between spacing inserted link and pilot hole bottom surface; Described storage cavity is arranged in permanent seat, and permanent seat (18) is upper, be provided with towards the side of spacing inserted link the spacing jack matched with spacing inserted link, and this spacing jack is connected with described storage cavity; Described spacing inserted link is plugged in spacing jack.
4. the toe board according to claim 1 or 3, it is characterized in that: the import of described Hydraulic Pump (33) is connected by working connection pipeline with between fluid reservoir, hydraulic pressure delivery side of pump is connected with second, third epitrochoidal chamber (26,27) by second, third oil line pipe (30,31), and second, third oil line pipe is respectively equipped with switch valve; Be provided with the second oil returning tube (34) between second oil line pipe (30) and fluid reservoir (36), and the interface of the second oil returning tube and the second oil line pipe is on the second oil line pipe between the switch valve and the second epitrochoidal chamber of the second oil line pipe; Be provided with the 3rd oil returning tube (35) between 3rd oil line pipe (31) and fluid reservoir, and the interface of the 3rd oil returning tube and the 3rd oil line pipe is on the 3rd oil line pipe between the switch valve and the 3rd epitrochoidal chamber of the 3rd oil line pipe; Second, third oil returning tube described is respectively equipped with switch valve, and the switch valve on second, third oil returning tube is normally open solenoid valve, switch valve on second, third oil line pipe described is normally closed solenoid valve, and the switch valve on described first, the 4th oil line pipe is normally closed solenoid valve; Described first, the 4th oil line pipe and second, third oil line pipe are formed by flexible pipe.
5. toe board according to claim 1 and 2, is characterized in that: the top of described upper toe board (4) is provided with the baffle plate (7) to extending away from lower toe board (3) direction.
6. toe board according to claim 5, is characterized in that: the surface towards upper toe board (4) of described baffle plate (7) is provided with cushion (8).
7. toe board according to claim 6, is characterized in that: described elastic component has multiple; Described elastic component is spring (5), and the two ends of spring (5) are connected respectively to lower toe board (3) with on the apparent surface of upper toe board (4).
8. toe board according to claim 6, is characterized in that: described upper toe board (4) upper surface is provided with anti-slip veins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310318648.9A CN103909892B (en) | 2013-07-26 | 2013-07-26 | Toe board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310318648.9A CN103909892B (en) | 2013-07-26 | 2013-07-26 | Toe board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103909892A CN103909892A (en) | 2014-07-09 |
| CN103909892B true CN103909892B (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310318648.9A Active CN103909892B (en) | 2013-07-26 | 2013-07-26 | Toe board |
Country Status (1)
| Country | Link |
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| CN (1) | CN103909892B (en) |
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| CN104643372B (en) * | 2015-03-23 | 2016-09-14 | 梅江为 | A kind of lower limb special Shoes for driving of handicapped disabled |
| CN105639822B (en) * | 2015-03-23 | 2017-10-31 | 骆志宏 | It is a kind of to reduce the Shoes for driving of traffic accident |
| CN104643371B (en) * | 2015-03-23 | 2016-06-08 | 国家电网公司 | A kind of Shoes for driving that can effectively reduce vehicle accident incidence rate |
| CN104972905B (en) * | 2015-06-01 | 2017-10-24 | 北京汽车股份有限公司 | Right crus of diaphragm foot-rest device and automobile during for automobile fixed speed cruise |
| CN104960582A (en) * | 2015-06-30 | 2015-10-07 | 苏州先锋物流装备科技有限公司 | Low tilting pedal |
| CN105501343A (en) * | 2015-12-07 | 2016-04-20 | 重庆秋航机械有限责任公司 | Motorcycle pedal assembly |
| CN105539350B (en) * | 2016-01-15 | 2017-11-24 | 北京汽车研究总院有限公司 | A kind of driver leg protector and automobile |
| CN108726445B (en) * | 2018-07-17 | 2023-07-21 | 杭叉集团股份有限公司 | Simple electric pallet truck |
| CN108973668B (en) * | 2018-07-20 | 2021-12-14 | 合肥智权信息科技有限公司 | Human mechanics clutch pedal assembly |
| CN109318778B (en) * | 2018-08-22 | 2019-10-22 | 杭州电子科技大学 | A kind of folding feet support being contracted in inside automobile door plate |
| CN111347953B (en) * | 2018-12-21 | 2021-07-20 | 北京宝沃汽车有限公司 | Footrest assembly and vehicle |
| JP7081507B2 (en) * | 2019-01-15 | 2022-06-07 | トヨタ自動車株式会社 | Vehicle footrest |
| CN109591749B (en) * | 2019-01-22 | 2020-03-20 | 浙江吉利汽车研究院有限公司 | Energy absorption device and vehicle |
| CN109927741A (en) * | 2019-04-24 | 2019-06-25 | 郑州铁路职业技术学院 | A kind of motor-car safety seat |
| CN111750034B (en) * | 2020-08-11 | 2022-04-01 | 邹城市矿源机电有限公司 | Compression buffering resetting device |
| CN114670733A (en) * | 2022-04-01 | 2022-06-28 | 岚图汽车科技有限公司 | Footrest adjusting device and method and vehicle |
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| CN103909892A (en) | 2014-07-09 |
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