DE19527126A1 - Vehicle designed for safety in crash - has counter-spring formed as compression spring is fitted on upper rear side of front section of vehicle and pivots around horizontal transverse axis by means of guide rod - Google Patents

Abstract

A counter-spring (378) is formed as a compression spring. It is fitted on the upper rear side of a front section (260) of the vehicle and pivots around a horizontal transverse axis using a guide rod (357). The compression spring uses a pivot. It is pressed by its lower end against the forwards projecting end of a lever (379) which is mounted to rotate around a horizontal axis on the lower front side of a rear section (261) of the vehicle.

Description

The invention includes according to the preamble of claim 1 Security vehicle, its pivotable around a horizontal Transverse axle on the underside of the front passenger box on one Frontal impact via a swiveling around a horizontal transverse axis vehicle front part mounted on a vehicle rear part by means of a counter spring designed as a compression spring when the pressure drops Resistance swung forward from a passenger is, with a compression spring acting on the passenger box strives to put the passenger box in its rear normal swivel position swing back.

Due to the increasing K- when swiveling the front part of the vehicle Force of the counter spring on the swivel on its underside stored passenger box is thus achieved that the resistance the passenger compartment during a frontal impact while tensing the weaker in their pressure increase designed or in their force on the passenger box declining compression spring becomes increasingly weak, what the weakening arm forces of a supported on the passenger box Passenger in the best possible way and he is largely able is to intercept the impact on your own initiative before Head and chest ahead around his feet in the safety net Protection bracket is pivoted in (EP 03 05 727 B1 or P 38 61 838.0-08).

The facility proposed here is suitable for a strong passenger as well as a tender passenger:
Due to its heavier weight, a powerfully built passenger is pressed a little earlier and with greater force via his arms, which are only slightly bent, against the passenger box, and since the force of the counter spring on the passenger box is still relatively little increased, the passenger box offers through the pressure spring acting on him, pushing the box into its rear normal position, sufficient resistance to delay the forward swinging of the front passenger around his feet, so that a little later and largely weakened, he head and chest flung into the safety net of his safety bar becomes.

A delicately built passenger, on the other hand, can lighter weight a little longer over the passenger box and her slightly angled arms back against the back of hers Support the seat so that it is slightly later and also with less Force in the initial phase of a head-on collision driver box is pressed, and there at this time the force impact of the counter spring on the passenger compartment is already considerable has increased, the resistance of the front passenger box is like this greatly reduced that the arm forces of a delicately built case the driver is sufficient to let the front passenger's seat slacken the resistance to swing away from you, whereby a subsequent pouring impact into the safety net of the safety bar if delayed and largely weakened.

For well-obese passengers with underdeveloped arm muscles, a seat belt is provided, which is designated in DE 39 22 836 A1, Fig. 3 with the item number 717 and which is used here as a seat belt for a child seated or lying in a universal seat. Wrapped around the thighs of a passenger accommodated in this seat, this belt delays a forward swinging around his feet regardless of the arm forces of a passenger, which then depends on the leg muscles of a well-nourished passenger, which are usually somewhat more developed, and a subsequent impact weaken as far as possible into the safety net. So that the upper body of the front passenger does not bend forward, the belt must be elastic so that the front passenger can maintain his sitting posture as much as possible and a thigh neck breakage is prevented.

The effect is comparable to that of the proposal here The equipment brought in is in exceptional cases one for one trip already known safety steering column, in the between a rear and a front steering shaft lattice-like corrugated tubular casing is attached, in the event of a frontal impact by the arm forces of a powerful one built vehicle driver is compressible in the longitudinal direction and its resistance is also becoming increasingly weak becomes. The disadvantage of this safety steering column is that a delicately built vehicle driver due to her low weight  can hardly be able to collapse the Jacket arm required static arm forces in the beginning phase of a frontal impact so that the jacket tube its resistance with decreasing arm forces of the driving witness driver maintains.

In contrast, the resilience of one here becomes one Compression spring held in its rear stop position driver's cabin regardless of the arm forces of a passenger from Beginning of a braking process until the end of an impact phase via the swiveling front part of the vehicle by the counter spring reduced, so that for differently strong or difficult ge built passenger is offered approximately the same protection.

An inevitable swiveling forward of the passenger compartment in An leaning against the Procon-ten security system would be the under different passenger types too little adapted. In addition, the pro con-ten safety system only for a vehicle driver see and combined with a usual seat belt that at an impact to the rear of the vehicle driver pulls what in the security system mentioned here is not provided to prevent the head from kinking. For passengers, the best protection so far is conventional en vehicle through a passenger airbag in conjunction with a usual seat belt. The problem here is Appropriate time of deployment of the airbag, as not all passengers are equally noteworthy, equally strong neck muscles with equally long necks and equally heavy heads. He will triggered too early, then the propellant gas escapes prematurely Airbag so that it loses its resistance. He'll be late triggered, then he hurls the injured passenger over de sweet chest and head back and if the passenger is lucky then his head hits the headrest. Ansons First he sees the roof of the vehicle and then nothing at all.

The protection that an institution proposed here in the Interaction with a protective bar in the event of a frontal impact offers, is mainly due to the swiveling around a horizontal Transverse axle mounted on the front of the vehicle determined by it the deceleration phase in the event of an impact significantly lengthened and also causes the seats without additional che device are raised in front and that the vehicle  at the beginning of the impact phase, they were pressed more firmly into their seats , which also causes the impact into the safety net is somewhat delayed. A head snap is with this security system avoided by using the safety net in the safety bar Head area is more flexible than in the chest area (see he EP 03 05 727 31 or P 38 61 838.9-08). The is claimed Protection bar only in the event of a severe impact and contrary to a seat belt at the end of the delay phase, so where the Own speed of a vehicle occupant already ver wrestles.

An airbag is just as inexpensive as an anti-lock device direction that extends the braking distance in the majority of cases. Both facilities will benefit from a SiKfz far exceeded. In addition, there is about one SiKfz the same protection is also provided for rear seat occupants that previously still have to do without an airbag and that after a violent Head-on collision only the relatively inexpensive front part of the vehicle must be scrapped. Due to the flexibility of the vehicle in part, the occupants are also involved in an accident wrapped vehicles ß saved from worse injuries and the Damage to property caused on this vehicle becomes even if reduced. The ratio of benefit to benefit is therefore one SiKfz in relation to previously known safety devices extremely low.

Present application includes only a more Ausgestal tung in EP 03 05 727 and P 31 the security system previously described 38 61 838.9-08, additionally a u in which for a passenger to a not further discussed herein guard in Fig. 19. 20 schematically shown device is provided for swiveling forward a passenger box attached to a SiPkw in the event of a frontal impact. The arrangement of the compression spring, which holds the passenger box in its rear normal pivoting position, is somewhat changed in the present application. While the force of this, according to the above patent, articulated on the underside of the front passenger's box Druckfe keeps within limits when swiveling the front passenger box forward by shortening the effective lever arm, the compression spring in the present exemplary embodiment is articulated on the front of the front passenger's box and is accordingly longer, so that their increase in force when swiveling the passenger box forward is not too steep, since the effective lever arm of the compression spring in its arrangement provided for the forward box swings the passenger box only slightly reduces. Due to the articulation of the compression spring on the front of the passenger box, its lever arm is extended so that it can be designed to be correspondingly weaker and, moreover, the foot space below the passenger box is less restricted.

Furthermore, here is the swivel on the front end of the rear part of the vehicle is mounted on the lever on the rear counter spring articulated side of the vehicle front part by means of a pull rod acts on the front end of the passenger compartment, with its front, trained for the articulation of the drawbar deten end angled upwards so that a for the tie rod own, somewhat removed from the mounting of the counter spring on the lever Storage possibility is formed. In principle and in effect wise corresponds to the proposed here, supplemented in detail direction of the already published schematic representation. For permanent burglars with police and judicial approval The prerequisite is a swivel around a horizontal cross axle mounted on a vehicle rear part and a pivotable around a horizontal transverse axis on its lower side mounted passenger box, the top of which is cylindrical is curved around the swivel or transverse axis of the box.

The invention is based on the illustrations Fig. 1 u. 2 explained in more detail. Show it:

Fig. 1 is a pivotable about a horizontal transverse axis 376 on his underside on a console 980 mounted passenger box 375 , which is held by a compression spring 377 in its rear normal swivel position and which is pivoted about a horizontal transverse axis 263 on a vehicle rear part 261 when swiveling Vehicle front part 260 is pivoted forward as a result of a Frontalaufpral les with decreasing resistance by a compression spring designed as a compression spring 378 ( Fig. 2). The articulated via a guide rod 357 to an upper cross member 521 of the front part of the vehicle, here only moderately pretensioned counter spring 378 is supported with its lower end via a pivot bearing 970 against the front end of a pivotally mounted lever 379 on the front end of the vehicle rear part and is transmitted their increasing pressure force when swiveling the front part of the vehicle via a drawbar at the front end of the lever 381 is steered onto the front end of the passenger compartment, so that the same spring 377 is pivoted forward while simultaneously tightening the weaker or longer dimensioned pressure spring. The articulated via a guide rod ge 357 'on the front of the passenger box pressure spring 377 is supported with its lower end via a swivel bearing 970 against a part fastened to the front end of the vehicle rear, angled bracket 982 .

Fig. 1A according to view A to Fig. 1, the guide rod 357 for the counter spring 378 with the lever 379 , the outside bearing bracket for the pivot bearing 970 bent outwards slightly extended to the front ( Fig. 1B) and angled upwards, so that at the upwardly angled front end 983 of the lever, offset to the guide rod 357 of the counter spring, the pull rod 381 can be articulated. The guide rod 357 'and the lower bearing block 982 for the compression spring 377 are offset to the outside rod 381 arranged.

Fig. 1B according to view B of FIG. 1 the pivotally mounted on the inside of the passenger's body about a horizontal transverse axis on a bearing block 981 lever 379, at whose front end a hole formed for the circulation of the return spring 378 pivot bearing is pivotally mounted 970, and to the outside of the bracket 982 attached to the driver's box, at the bottom of which angled end for the support of the compression spring 377 is pivotally attached pivot bearing 970 . The two bearing blocks 981 u. 982 are attached to an end wall of the bracket 980 provided for the storage of the driver's box, the end wall of the console being set back somewhat from a front end wall 984 of the rear part of the vehicle, which ends flush with a vertical support 594 of the rear part.

Fig. 2 that by an angle α _max from the vehicle rear part 261 swung vehicle front part 260 and the front passenger box 375 in its front end pivot position, in which a diagonally raised wall of the console 980 forms a stop against the underside of the front passenger box. The guide rods 357 u. 357 'for the compression springs 378 u. 377 are each formed in the area of the springs as a tube which has a longitudinal slot 974 or 974 'through which an axis 975 or 975 ' for the pivot bearing egg nes of the two pivot bearings 970 is carried out in the horizontal transverse direction, so that the guide rods are each slidably mounted in a corresponding bearing bore of their pivot bearing and are pressed by the pressure springs with their upper end against the front part of the vehicle or the passenger compartment via a disk 976 . The discs 976 are each welded to the upper end of the part of the guide rods in the form of a tube, and the upper ends of the guide rods are each formed by a solid-walled rod which protrudes somewhat into the tubular part and is welded to the upper end thereof and which is welded to its upper end has a bearing eye for the pivot bearing of the guide rod in question.

While the guide rod 357 of the counterspring 378 is pivoted with its upper end via a bearing eye about a horizontal transverse axis on a bearing bracket provided with two mounting brackets, attached to the upper cross member 521 of the vehicle front part and the guide rod 357 'of the compression spring 377 with its upper ren End also pivotable about a bearing eye about a horizontal cross axis between two molded on the front of the passenger box tens 375 mounting brackets, two common clevises are provided for the pivot bearing of the pull rod 381 , via which the pull rod can be pivoted about a horizontal transverse axis is articulated on the one hand on the upwardly angled end 983 of the lever 379 ( FIG. 1A) and on the other hand on a bearing bracket which is formed on the front of the passenger compartment. For the swivel mounting of the passenger box 375 , two bearing brackets are formed on its underside, one of which is fitted between two bearing brackets formed on the top of the bracket 980 ( FIG. 1A), so that the axial position of the passenger box is determined while the other here not shown bearing bracket of the passenger box is housed with a little distance between two other molded on the top of the bracket Lagerla's.

The console 980 is attached to a lower cross member 522 of the vehicle rear part via a flange which is formed on its underside and projects from the front, this cross member being flush with the front end wall 984 of the rear part and the two supports 594 arranged on the outside of the rear part for the swivel mounting of the rear part Completes the front part of the vehicle ( Fig. 1B). In addition, the console is attached laterally via two flanges also projecting in front of ne on the outside on the passenger-side support 594 of the rear part and on the inside on the rear-angled end wall 984 of the rear part ( FIG. 1B). The part of this end wall that is angled backwards forms with its upper part, indicated here by dash-dotted lines, an intermediate wall that is adapted in terms of shape or cut, partly to the console and partly to the dashboard 297 , which on the inside of the passenger box is a little distance up to the upper wall of the dashboard pulls up. On the outside of the passenger box, a corresponding end is formed by a wall drawn vertically from the vertical support 594 towards the rear, which box with a little distance to the passenger and somewhat inside the passenger board end of the dashboard forms a side closure of the same, so that the Interior of the vehicle rear part is sufficiently sealed. On the outside of the console, an inwardly angled flange is formed on the wall of the console, which is pulled up obliquely towards the rear ( FIG. 1), so that the two flanges provide a stiffening of the console as well as an additional fastening option. by additionally screwing the bracket onto the passenger-side support over the outer of the two flanges and by screwing the intermediate wall, which is raised on the inside of the passenger box up to the upper wall of the dashboard, with its lower end adapted to the bracket on the inside of the two flanges.

The console and front passenger box can be mounted from the rear. As a stop for the passenger box in its rear normal pivoting position, a stop bar 977 is fastened on the underside to the upper wall of the dashboard 297 . The backing te is adapted with its rear side in the rear area of the bar cylindrical around the axis 376 curved upper wall of the driver box, so that the bar also serves as a scraper fer for any small parts that may be stored on the dashboard.

On the rear upper side of the passenger box, two bearing eyes for attaching a bracket 978 are formed on the outside. The U-shaped bracket, viewed as a whole, consists of a tube against which a passenger can support himself in the event of a head-on collision and in whose ends an angle made of a solid wall is inserted with one of his legs. The other's angle of the two angles is attached protruding forward in one of the two bearing eyes.

On the rear underside of the passenger compartment is a Kasterl 979 (north German: Küssel) that is open towards the rear. In the kaster, for example, paper handkerchiefs and chewing rubbers can be accommodated for the vehicle driver so that a passenger can remind them to take a break on the roof of the vehicle in good time if they find that the vehicle driver is too tired to chew (DE 40 22 280 A1).

The two axle bolts 263 for the pivot bearing of the vehicle front part on the two outside of the vehicle rear part on vertical supports 594 are inserted from the inside to the outside bar and axially secured in the usual manner. A replacement of the front part of the vehicle after a violent frontal impact is therefore not a problem at all and also inexpensive, since in the end pivoting position of the front part shown in FIG. 2, a stop is formed, so that the device shown here for pivoting the front passenger compartment is spared from the impact . The negative sales through court registers, lawyers and insurances to the detriment of innocent victims will decrease and so will the costs of a hospital stay. The doctors can take care of normal patients again, they are more relaxed and do not forget their tools so often in the stomach of a patient.

Of course, for the front passenger there is a footrest, not shown here, which can be adjusted in the longitudinal direction of the vehicle, which is set so that it can support itself against the same during a frontal run with only slightly bent legs while its seat is set so that with his back against the back of his seat he can grip the bracket 978 of the front passenger box with slightly bent arms. In the initial phase of an impact, you have to push backwards against the backrest with full force. With a constant sitting posture you are then swiveled forward around your feet before you are finally swung into the safety net's safety net.

Claims (6)

1. Safety vehicle, the passenger box is pivoted in the event of a frontal impact by means of a counter spring with decreasing resistance, characterized in that a pivotable about a horizontal transverse axis via a guide rod ( 357 ) on the upper rear of a vehicle front part ( 260 ) mounted as a compression spring trained Ge gene spring ( 378 ) with its lower end via a pivot bearing ( 970 ) against the forward projecting end of a pivotable about a horizontal transverse axis on the lower front of a vehicle rear part ( 261 ) lever ( 379 ) is pressed, the outer of the two bearing brackets provided for the mounting of the pivot bearing are bent outwards slightly extended to the front and angled upwards so that at the upwardly angled end ( 983 ) of this bearing bracket a pull rod ( 381 ) equipped at its ends with two conventional fork heads can be articulated is, and there ß the train rod with its opposite, upwardly projecting end via a bearing bracket on the front of a pivotable about a horizontal transverse axis ( 376 ) via its underside on the top of a console ( 980 ) mounted passenger box ( 375 ) is articulated, one to the pull rod ver set out, pivotable about a horizontal transverse axis via a guide rod ( 357 ') articulated on the front of the passenger box, the passenger box in a rear end pivot position holding pressure spring ( 377 ) with its lower end via another pivot bearing ( 970 ) against one the underside of the front of the vehicle rear part fastened to the angled pedestal ( 982 ), so that the front passenger box when swiveling the swiveling around a horizontal transverse axis ( 263 ) mounted on the vehicle rear part as a result of a frontal impact caused by a frontal impact caused by the increasing force of the counter spring ( 378 ) with simultaneous tightening of the compression spring ( 377 ), which is weaker in its force increase and longer dimensioned, via the pull rod ( 381 ) with decreasing resistance, supported by the arm forces of a front passenger. 2. Safety motor vehicle according to claim 1, characterized in that the two guide rods ( 357 and 357 ') for the Gegenfe ( 378 ) and the compression spring ( 377 ) in the area of the springs are each formed by a tube, and that the two Tubes each have a longitudinal slot ( 974 or 974 ') through which a for the mounting of the two pivot bearings ( 970 ) before seen axis ( 975 or 975 ') is passed in the horizontal transverse direction, so that the two guide rods can each be moved in a corresponding bearing bore of their swivel bearing are mounted, and that the tightening of the two compression springs ( 378 and 377 ) when pivoting the front part of the vehicle ( 260 ) takes place in each case via a disc ( 976 ) which is welded to the upper ends of the two tubes, whereby the bearing ends of the two guide rods are each formed by a full-walled rod which projects somewhat into the tubular part of the guide rod in question and at the upper end of the same is welded and which has at its free end a bearing eye over which the guide rod of the counter spring ( 378 ) via a bearing block against an upper cross member ( 521 ) of the vehicle front part and the guide rod of the compression spring ( 377 ) via two bearing plates is pressed against the front of the passenger compartment ( 375 ). 3. Safety motor vehicle according to claim 1, characterized in that for the articulation of the tie rod ( 381 ) He He ( 379 ) on a bearing block ( 981 ) is mounted, which in turn on the inside of the passenger box ( 375 ) on an end wall of the provided for the swivel mounting of the front passenger box bracket ( 980 ) is fixed, the Stirnwan extension of the console is slightly set back relative to a front end wall ( 984 ) of the vehicle rear part ( 261 ), and that the downwardly angled bracket ( 982 ) for the swivel mounting of the provided for the compression spring ( 377 ) provided pivot bearing ( 970 ) on the outside of the passenger box on the end wall of the console. 4. Safety motor vehicle according to claim 3, characterized in that for the attachment of the console ( 980 ) on the vehicle rear part ( 261 ) is provided on the underside of the console, projecting flange, through which the con sole on a lower cross member ( 522 ) of the rear part, which is flush with the front end wall ( 984 ) of the rear part, is screwed tight, and that on the outer sides of the console two also protruding, vertically arranged flanges are formed, of which the outside flange to attach the console to a passenger's side attached to the rear part of the vehicle, designed for the swivel mounting of the front part of the vehicle ( 260 ) vertical support ( 594 ), while on the inside of the two flanges the front end wall ( 984 ) of the rear part is attached with its rear angled end is, the part of this end wall angled backwards is uppersided g forms an intermediate wall within the dashboard ( 297 ), which closes on the underside with the console and the dashboard and which forms a seal on the inside of the passenger box with a little distance to the passenger box ( 375 ). 5. Security vehicle according to claim 1 u. 4, characterized in that in a front end pivoting position of the pivotably mounted on the console ( 980 ) front passenger box ( 375 ) a stop against the underside of the front passenger box is formed by an obliquely raised rear wall of the console, and that two on the outside of the console a stiffening bil dende, vertically angled flanges are formed on the diagonally raised rear wall, so that in the other of the two flanges formed by the rear angled te end of the front end wall ( 984 ), in the cut of the console and Dashboard ( 297 ) adapted inside half of the dashboard fastened partition with its lower end can be fastened, while the outer of the two flanges serves for additional fastening of the console to the passenger-side vertical support ( 594 ), and that on the outside of the passenger box with something Distance one from the vertical support from v ertically pulled back wall forms a conclusion within the dashboard, this wall is arranged somewhat inside from the passenger-side end of the dashboard. 6. Safety motor vehicle according to claim 1, characterized in that in a rear end pivot position of the pivotally mounted on the console ( 980 ) mounted passenger box ( 375 ) to an impact against the top of the passenger box by one on the underside of the upper wall of the dashboard ( 297 ) befes Tigt stop bar ( 977 ) is formed, the stop bar is adapted with a little play with its back of the top wall of the passenger box curved around the swivel or transverse axis ( 376 ) of the passenger box, and that two bearings eyes on the rear top of the passenger box for attaching a retaining bracket ( 978 ) are molded, while on the rear underside of the passenger box, a box ( 979 ) which is open to the rear is formed directly behind the pivot bearing.