WO2009093656A1 - 車両用ポップアップフード装置 - Google Patents
車両用ポップアップフード装置 Download PDFInfo
- Publication number
- WO2009093656A1 WO2009093656A1 PCT/JP2009/050976 JP2009050976W WO2009093656A1 WO 2009093656 A1 WO2009093656 A1 WO 2009093656A1 JP 2009050976 W JP2009050976 W JP 2009050976W WO 2009093656 A1 WO2009093656 A1 WO 2009093656A1
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- WIPO (PCT)
- Prior art keywords
- hood
- rod
- hinge
- vehicle
- reinforcing plate
- Prior art date
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- 230000003014 reinforcing effect Effects 0.000 claims description 154
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 10
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- 238000003825 pressing Methods 0.000 abstract description 105
- 230000000694 effects Effects 0.000 description 38
- 238000010521 absorption reaction Methods 0.000 description 12
- 230000009471 action Effects 0.000 description 9
- 230000002452 interceptive effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
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- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/38—Protecting non-occupants of a vehicle, e.g. pedestrians using means for lifting bonnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R2021/343—Protecting non-occupants of a vehicle, e.g. pedestrians using deformable body panel, bodywork or components
Definitions
- the present invention relates to a vehicle pop-up hood apparatus.
- a vehicle pop-up hood device that lifts the rear end of the hood and receives the collision body with the hood to mitigate the impact.
- a pair of left and right hood hinges are disposed on both sides of the rear end of the hood.
- the provided actuator operates, and the hood side link of the hood hinge is pushed up by the push-up rod.
- Patent Document 2 discloses a technology in which an energy absorption mechanism is added to an actuator that operates a vehicle safety device in the event of a collision. Briefly, when an axial load of a predetermined value or more is input to the tip of the piston rod, the plastic deformation portion provided on the piston rod is crushed, and the piston rod contracts into the cylinder (relative movement). It is to be done. Therefore, by applying the actuator disclosed in Patent Document 2 to the vehicle pop-up hood device disclosed in Patent Document 1, it is considered that the above needs can be met. JP 2005-225392 A JP 2004-308785 A
- the object is to obtain a vehicle pop-up hood device capable of absorbing energy.
- an actuator mounted on a vehicle, and when the actuator is operated, the hood extends upward, and the rear portion of the hood supported to be openable and closable on the vehicle body side via the hood hinge is moved upward.
- the rod that pushes up and holds the hood in the pushed-up position, and when the hood is pushed up, when a collision load of a predetermined value or more is applied from the upper side of the hood to the vicinity of the pushed-up portion of the hood by the rod,
- An energy absorbing mechanism that absorbs collision energy by bending and deforming the rod while sliding toward the vehicle rear side along the push-up surface on the rear side.
- the axis of the rod pushing up the rear side of the hood and the tip of the rod are in contact with each other.
- the angle ⁇ formed with the push-up surface on the rear side of the hood in contact is set in a range of 95 ° to 140 °.
- the tip of the rod has an angle substantially the same as an inclination angle of the push-up surface on the rear side of the hood when the actuator is not operated.
- An inclined surface is provided.
- a reinforcing member that reinforces the contact portion is disposed at a portion where the tip end portion of the rod contacts the rear portion of the hood. It is characterized by that.
- the reinforcing member is a hinge arm of a hood hinge whose one end is fixed to the rear portion of the hood with a hinge bolt, and the hood formed by the tip of the rod The push-up position on the rear side is set to a position shifted from the hinge bolt so as not to overlap in the hood width direction.
- the reinforcing member is a reinforcing plate configured separately from the hood hinge and fixed to the rear side of the hood with a reinforcing plate fixing bolt.
- the push-up position on the rear side of the hood by the tip of the rod is set to a position shifted so as not to overlap the reinforcing plate fixing bolt in the hood width direction.
- a seventh aspect is the vehicle pop-up hood apparatus according to the fifth or sixth aspect, wherein the hinge arm according to the fifth aspect or the push-up surface of the reinforcing plate according to the sixth aspect is all or part of the rod
- the hinge arm according to the fifth aspect or the push-up surface of the reinforcing plate according to the sixth aspect is all or part of the rod
- the front end of the rod slides in a direction away from the hinge bolt of the fifth aspect or the reinforcing plate fixing bolt of the sixth aspect in advance. It is characterized by being inclined in the hood width direction.
- the push-up surface has a predetermined broken line due to a push-up force acting when the tip of the rod pushes up the push-up surface. And the tip of the rod slides toward the vehicle rear side on the bent surface, so that the tip of the rod is separated from the hinge bolt of the fifth aspect or the reinforcing plate fixing bolt of the sixth aspect. It is characterized by that.
- the push-up surface is a push-up surface of the hinge arm according to the fifth aspect
- the broken line is a rotation axis of the hinge arm in a plan view of the vehicle It is set so that it may become non-parallel with respect to.
- the hinge bolt according to the fifth aspect or the sixth aspect is provided on the push-up surface of the hinge arm according to the fifth aspect or the reinforcing plate according to the sixth aspect.
- a flange extending in the hood front-rear direction is provided at the end in the hood width direction opposite to the side where the reinforcing plate fixing bolt is disposed.
- the eleventh aspect is the pop-up hood apparatus for vehicles according to the eighth aspect, wherein the hinge arm of the fifth aspect or the push-up surface of the reinforcing plate of the sixth aspect is provided with the hinge bolt or the sixth aspect of the fifth aspect.
- a flange extending in the hood front-rear direction is provided at an end portion in the hood width direction opposite to the arrangement side of the reinforcing plate fixing bolt of the aspect.
- a twelfth aspect is characterized in that, in the pop-up hood device for a vehicle according to the eleventh aspect, a low-rigidity part that weakens the flange is set in the middle part of the flange.
- the hinge bolt according to the fifth aspect or the sixth aspect is provided on the push-up surface of the hinge arm according to the fifth aspect or the reinforcing plate according to the sixth aspect.
- the second flange extending in the hood front-rear direction is also provided at the end in the hood width direction, which is the arrangement side of the reinforcing plate fixing bolt of the aspect.
- the low-rigidity portion is a notch
- the front and rear flanges sandwiching the notch are offset in the hood width direction, or one flange It arrange
- the tip end portion of the rod is on the push-up surface of the hinge arm of the fifth aspect or the reinforcing plate of the sixth aspect.
- Guide means for guiding the movement of the tip of the rod so that the tip of the rod does not interfere with the hinge bolt of the fifth aspect or the reinforcing plate fixing bolt of the sixth aspect when sliding upward on the vehicle rear side Is provided.
- a sixteenth aspect is the vehicle pop-up hood apparatus according to the fifteenth aspect, wherein the guide means is separate from the hinge arm of the fifth aspect or the reinforcing plate of the sixth aspect, and the fifth aspect.
- the hinge bolt or the reinforcing plate fixing bolt of the sixth aspect is fastened to the hood and extends along the vertical direction of the hood to separate the hinge bolt or the reinforcing plate fixing bolt and the track of the tip of the rod. It is a guide plate having a vertical wall.
- the guide means is formed integrally with the hinge arm of the fifth aspect or the reinforcing plate of the sixth aspect, and directed downward in the hood. It is a protrusion part which protrudes and separates a hinge bolt or a reinforcement board fixing bolt, and the track
- the guide means is fixed to the lower surface of the hinge arm according to the fifth aspect or the reinforcing plate according to the sixth aspect, and the tip of the rod slides. It is a resin guide plate having a movable guide groove.
- the hinge arm according to the fifth aspect or the reinforcing plate according to the sixth aspect includes the hinge bolt or the sixth aspect according to the fifth aspect.
- the recessed part recessed in the bolt fastening direction of the reinforcing plate fixing bolt of the aspect is formed, and in the state after the bolt fastening, it is accommodated in the hinge arm of the fifth aspect or the pushing-up surface of the reinforcing plate of the sixth aspect and the recessed part.
- the end face of the bolt head is set so as to be substantially flush with each other.
- the hinge arm according to the fifth aspect or the reinforcing plate according to the sixth aspect is arranged on the rear side of the hood with the hood width direction as a bolt fastening direction. It is attached, It is characterized by the above-mentioned.
- the hinge arm according to the fifth aspect or the reinforcing plate according to the sixth aspect is disposed substantially parallel to the lower surface of the hood rear side and is a rod. It is characterized by including the horizontal wall which the front-end
- the reinforcing member is a reinforcing plate formed separately from the hinge arm or the hood hinge of the hood hinge, and the hinge arm or the reinforcing plate is The rod is fixed to the hood rear side by a plurality of hinge bolts or reinforcing plate fixing bolts arranged at predetermined intervals in the hood front-rear direction, and the tip of the rod is positioned between the bolt fastening points adjacent in the hood front-rear direction.
- the moving stroke of the tip of the rod is included between the bolt fastening points that are in contact with the portion to be touched and are adjacent to each other in the hood front-rear direction.
- a twenty-third aspect is characterized in that in the pop-up hood device for a vehicle according to the twenty-second aspect, the plurality of bolt fastening points are arranged substantially in a straight line in the hood front-rear direction.
- the reinforcing member is a reinforcing plate formed separately from a hinge arm of the hood hinge or the hood hinge, and the hinge arm or the reinforcing plate is A plurality of hinge bolts or reinforcing plate fixing bolts arranged at predetermined intervals in the hood front-rear direction are fixed to the hood rear side, and the front end portion of the rod is a front bolt fastening point and a rear bolt fastening point. And the rear bolt fastening point slides to the vehicle rear side, and the rear bolt fastening point is shifted in the hood width direction with respect to the front bolt fastening point. It is characterized by being arranged.
- the rod when the actuator mounted on the vehicle is actuated, the rod extends to the upper side of the hood, and the rear side of the hood is pushed upward to be held at that position.
- the present invention adopts a configuration in which the tip of the rod is slid toward the vehicle rear side along the push-up surface on the rear side of the hood, and the rod is bent and deformed using the sliding operation to absorb energy. For this reason, the energy absorption loss due to the fact that the plastic deformation method varies depending on the dimensional accuracy as in the prior art, and the piston rod does not move relatively smoothly into the cylinder depending on the load input direction, is greatly reduced.
- the axis of the rod pushing up the hood rear side and the push-up surface on the hood rear side where the tip of the rod abuts Since the angle ⁇ made is set in the range of 95 ° to 140 °, even if the direction of the impact force acting near the hood push-up area by the rod slightly changes, the tip of the rod is on the push-up surface on the rear side of the hood. Slide toward the rear of the vehicle. That is, the rod can be bent and deformed with high accuracy.
- the tip of the rod is provided with an inclined surface that is substantially the same as the angle of inclination of the push-up surface on the rear side of the hood when the actuator is not operated.
- the tip of the rod comes into contact with the push-up surface on the rear side of the hood in a surface contact state. For this reason, the surface pressure which acts between both becomes low, and the deformation
- the reinforcing member that reinforces the abutting part is disposed at the part where the tip part of the rod abuts on the rear side of the hood, the tip part of the rod abuts on the rear part of the hood.
- the rod tip does not directly contact the hood itself.
- the reinforcing member is constituted by the hinge arm of the hood hinge, one end of which is fixed to the rear portion of the hood with the hinge bolt.
- the push-up position on the hood rear side by the tip of the rod is set at a position shifted so as not to overlap the hinge bolt in the hood width direction.
- the reinforcing member is configured by a reinforcing plate that is configured separately from the hood hinge and is fixed to the rear portion of the hood by the reinforcing plate fixing bolt.
- the push-up position on the hood rear side by the tip of the rod is set at a position shifted so as not to overlap the hinge bolt in the hood width direction.
- all or part of the push-up surface of the hinge arm or the reinforcing plate is inclined in advance in the hood width direction, and due to this inclination, the tip of the rod moves on the push-up surface to the rear of the vehicle. When sliding to the side, it slides away from the hinge bolt or the reinforcing plate fixing bolt.
- the push-up surface of the hinge arm or the reinforcing plate becomes a predetermined broken line by the push-up force at that time. Bend along. Then, the tip end portion of the rod moves away from the hinge bolt or the reinforcing plate fixing bolt by sliding the tip end portion of the rod to the vehicle rear side on the bending surface.
- the fold line that is not parallel to the rotation axis of the hinge arm is formed on the push-up surface of the hinge arm, the strength of the hinge arm can be increased. That is, when trying to open the hood excessively or closing the hood excessively, the push-up surface of the hinge arm tends to bend with a line parallel to the rotation axis of the hinge arm as a broken line.
- the broken line set on the push-up surface of the hinge arm is made non-parallel to the rotation axis of the hinge arm in a plan view of the vehicle. Parallel lines) and broken lines intersect.
- a fold line that is not parallel to the rotation axis serves as a resistance to the formation of a fold line that is parallel to the rotation axis, and the push-up surface of the hinge arm is less likely to be bent by a line parallel to the rotation axis.
- the flange extending in the hood front-rear direction is provided at the end in the hood width direction opposite to the arrangement side of the hinge bolt or the reinforcement plate fixing bolt on the push-up surface of the hinge arm or the reinforcement plate. Therefore, when the tip of the rod slides on a previously formed inclined surface (in the case of the seventh aspect) in a direction away from the hinge bolt or the reinforcing plate fixing bolt, the rod is temporarily in contact with this inclined surface. As a result, even if the tip of the rod is too far away from the hinge bolt and the reinforcing plate fixing bolt, the flange prevents the tip of the rod from falling off the inclined surface which is the sliding surface.
- the flange extending in the hood front-rear direction is provided at the end in the hood width direction opposite to the arrangement side of the hinge bolt or the reinforcing plate fixing bolt on the push-up surface of the hinge arm or the reinforcing plate. Therefore, the tip of the rod slides on the inclined surface (in the case of the eighth aspect) formed by bending of the push-up surface when the tip of the rod is pushed up in a direction away from the hinge bolt or the reinforcing plate fixing bolt. As a result, even if the tip of the rod is too far from the hinge bolt and the reinforcing plate fixing bolt due to the inclined surface, the tip of the rod falls off the inclined surface which is the sliding surface by the flange. To be prevented.
- the flange in the hinge arm or the reinforcing plate is correspondingly increased.
- the low-rigidity part is set in the middle part of the flange, the flange is always bent from the low-rigidity part. That is, a predetermined broken line is formed as intended with the low-rigidity portion as a starting point.
- the second flange is also formed on the push-up surface of the hinge arm or the reinforcing plate at the end portion in the hood width direction which is the arrangement side of the hinge bolt or the reinforcing plate mounting bolt.
- the second flange can compensate for the reduced rigidity of the hinge arm or the reinforcing plate due to the provision of the low rigidity portion.
- the low-rigidity portion is formed by a notch, it is easier to manufacture compared to a configuration in which the plate thickness is reduced.
- the notch is formed in the flange, the front and rear flanges sandwiching the notch are opposed to each other, so when the push-up surface of the hinge arm or the reinforcing plate bends along the broken line, the corners on the notch side of the front and rear flanges May interfere with each other (at an early stage) to inhibit bending. Therefore, in the present invention, the front and rear flanges sandwiching the notches are arranged offset in the hood width direction, or one flange is arranged so as to intersect the other flange. It is possible to avoid the ends from interfering with each other (at an early stage).
- the guide means is provided on the push-up surface of the hinge arm or the reinforcing plate, and when the tip of the rod slides on the push-up surface to the vehicle rear side, the guide means The movement of the tip of the rod is guided so that the tip of the rod does not interfere with the hinge bolt or the reinforcing plate fixing bolt. For this reason, sliding to the vehicle rear side of the front-end
- the guide means is constituted by the guide plate having a vertical wall extending in the vertical direction of the hood and separating the hinge bolt or the reinforcing plate fixing bolt and the track of the tip of the rod.
- the vertical wall prevents interference with the hinge bolt or the reinforcing plate fixing bolt.
- the guide plate is separated from the hinge arm, matters such as the width, length, and shape of the track on which the tip of the rod slides can be arbitrarily set. Therefore, the degree of freedom in design increases. Furthermore, since the guide plate is fastened together with the hood using a hinge bolt or a reinforcing plate fixing bolt, the number of parts can be reduced as compared with the case where the guide plate is separately fixed to the hinge arm or the reinforcing plate.
- the guide means is formed integrally with the hinge arm or the reinforcing plate, and protrudes downward from the hood so as to separate the hinge bolt or the reinforcing plate fixing bolt and the track of the tip of the rod. Therefore, when the tip of the rod slides on the rear side of the vehicle on the push-up surface of the hinge arm or the reinforcing plate, the protruding portion prevents interference with the hinge bolt or the reinforcing plate fixing bolt.
- the protrusion is formed integrally with the hinge arm or the reinforcing plate, the number of parts can be reduced and an increase in weight can be suppressed as compared with the case where the guide means is configured separately. No work is required.
- the guide means is constituted by the resin guide plate having the guide groove on which the tip end portion of the rod can slide, the tip end portion of the rod moves to the vehicle rear side along the guide groove. By sliding, interference with the hinge bolt or the reinforcing plate fixing bolt is prevented.
- the guide plate is separated from the hinge arm or the reinforcing plate and is fixed to the lower surface of the hinge arm or the reinforcing plate, the groove width or the groove length of the guide groove on which the tip of the rod slides. Matters such as groove depth, groove shape, and weight of the guide plate can be arbitrarily set. Therefore, the degree of freedom in design increases. Furthermore, since the guide plate is made of resin, the weight does not increase so much even if it is made as a separate part.
- the recessed portion recessed in the bolt fastening direction of the hinge bolt or the reinforcing plate fixing bolt is formed on the push-up surface of the hinge arm or the reinforcing plate, and in the state after the bolt fastening, the hinge bolt or the reinforcing plate is fixed. Since the push-up surface of the bolt and the end surface of the bolt head housed in the recess are set to be substantially flush with each other, when the tip of the rod slides on the push-up surface to the vehicle rear side, The tip of the rod is not caught on the head of the hinge bolt or the reinforcing plate fixing bolt. For this reason, sliding to the vehicle rear side of the front-end
- the hinge arm or the reinforcing plate is attached to the hood rear side with the hood width direction as the bolt fastening direction, when the rod tip slides toward the vehicle rear side, the rod tip Can be positioned so as not to interfere with the hinge bolt or the reinforcing plate fixing bolt. For this reason, sliding to the vehicle rear side of the front-end
- the hinge arm or the reinforcing plate includes a lateral wall disposed substantially parallel to the lower surface on the rear side of the hood, and a vertical wall disposed substantially perpendicular to the lower surface on the rear side of the hood.
- the horizontal wall can be used for sliding the tip of the rod
- the vertical wall can be used as a mounting portion on the rear side of the hood of the hinge arm or the reinforcing plate. That is, each wall can be used with only one application. For this reason, compared with the case where the function as a sliding surface of the front-end
- the reinforcing member is a reinforcing plate configured separately from the hinge arm of the hood hinge or the hood hinge, and the hinge arm or the reinforcing plate is arranged at a predetermined interval in the hood front-rear direction.
- the plurality of hinge bolts or reinforcing plate fixing bolts are fixed to the rear side of the hood, and the tip end of the rod is brought into contact with a portion located between adjacent bolt fastening points in the hood front-rear direction.
- tip part of a rod slides to a vehicle rear side from a contact part
- the tip of the hood can slide at least as long as necessary to bend and deform the rod. For this reason, sliding to the vehicle rear side of the front-end
- the size of the hinge arm in the hood width direction can be reduced.
- the reinforcing member is a reinforcing plate configured separately from the hinge arm of the hood hinge or the hood hinge, and the hinge arm or the reinforcing plate is arranged at a predetermined interval in the hood front-rear direction.
- the plurality of hinge bolts or the reinforcing plate fixing bolts are fixed to the rear portion of the hood, and the tip of the rod is brought into contact with a portion located between the front bolt fastening point and the rear bolt fastening point. .
- the rear side bolt fastening point is arrange
- the vehicle pop-up hood apparatus has a structure in which the rod is extended by the operation of the actuator and pushes the hood up in the event of a collision with the collision object, and the collision exceeds a predetermined value near the hood push-up position.
- the collision energy can be efficiently absorbed.
- the pop-up hood device for a vehicle according to the second aspect has an excellent effect that the rod is in a buckling mode and the reaction force is prevented from increasing, and the reliability for energy absorption performance can be improved.
- the vehicle pop-up hood device can prevent or prevent the push-up surface on the hood rear side from being deformed by the push-up force when the tip of the rod pushes the push-up surface on the hood rear side.
- the rod tip end can be smoothly slid toward the vehicle rear side along the push-up surface on the rear side of the hood.
- the vehicle pop-up hood apparatus has an excellent effect that the hood itself can be suppressed or prevented from being damaged by the tip of the rod.
- the vehicle pop-up hood device can smoothly slide the tip of the rod toward the vehicle rear side, the rod can be bent and deformed as intended. It has an excellent effect that energy at the time of collision can be efficiently absorbed.
- the vehicle pop-up hood apparatus can smoothly slide the tip of the rod toward the vehicle rear side, the rod can be bent and deformed as intended. It has an excellent effect that energy at the time of collision can be efficiently absorbed.
- the pop-up hood device for a vehicle according to the seventh aspect has an excellent effect that it is possible to more reliably suppress or prevent the tip of the rod from being caught by the hinge bolt or the reinforcing plate fixing bolt.
- the vehicle pop-up hood apparatus has a simple configuration in which the push-up surface of the hinge arm or the reinforcing plate is bent along a predetermined folding line, and the tip of the rod is a hinge bolt or a reinforcing plate fixing bolt. It has the outstanding effect that it can suppress or prevent more reliably.
- the vehicle pop-up hood apparatus according to the ninth aspect has an excellent effect that the strength against over-opening of the hood can be increased.
- the vehicle pop-up hood device is capable of sliding the tip of the rod to the end of the sliding stroke set in advance or in the vicinity thereof, and thus suppressing variations in energy absorption. Has an excellent effect.
- the pop-up hood device for a vehicle according to the eleventh aspect can slide the tip of the rod to the end of the preset sliding stroke or the vicinity thereof in the same manner as in the tenth aspect. It has an excellent effect that variation can be suppressed.
- the vehicle pop-up hood device has an excellent effect that the folding start point becomes clear and the accuracy with respect to bending the push-up surface of the hinge arm or the reinforcing plate along a predetermined folding line can be increased. .
- the vehicle pop-up hood apparatus according to the thirteenth aspect has an excellent effect that it is possible to achieve both the formation of an accurate broken line and the rigidity of the hinge arm or the reinforcing plate.
- the pop-up hood apparatus for a vehicle according to the fourteenth aspect has an excellent effect that a low-rigidity part can be set at low cost and that the push-up surface of the hood hinge or the reinforcing plate can be smoothly bent by a necessary amount.
- the vehicle pop-up hood apparatus can smoothly slide the tip of the rod toward the vehicle rear side, the rod can be bent and deformed as intended. It has an excellent effect that energy at the time of collision can be efficiently absorbed.
- the vehicle pop-up hood apparatus according to the sixteenth aspect has an excellent effect that the degree of freedom in designing the guide means can be increased and the structure can be simplified.
- the pop-up hood device for a vehicle according to the seventeenth aspect has an excellent effect that the structure can be simplified and reduced in weight and the assembly work process does not increase.
- the pop-up hood device for a vehicle according to the eighteenth aspect has an excellent effect that the degree of freedom in designing the guide means can be increased and the weight can be reduced.
- the vehicle pop-up hood device can smoothly slide the tip of the rod toward the vehicle rear side, the rod can be bent and deformed as intended. It has an excellent effect that energy at the time of collision can be efficiently absorbed.
- the vehicle pop-up hood device can smoothly slide the tip of the rod toward the vehicle rear side, the rod can be bent and deformed as intended. It has an excellent effect that energy at the time of collision can be efficiently absorbed.
- the vehicular pop-up hood device has an excellent effect that the design of the hinge arm or the reinforcing plate can be facilitated, and the horizontal wall and the vertical wall can be optimally designed by sharing the functions. .
- the vehicle pop-up hood device can smoothly slide the tip end portion of the rod to the vehicle rear side, the rod can be bent and deformed as intended. It has an excellent effect that energy at the time of collision can be efficiently absorbed.
- the pop-up hood device for a vehicle according to the twenty-third aspect has an excellent effect that it is effective for a vehicle in which the width of the hinge arm cannot be taken because the hinge arm can be downsized in the hood width direction.
- the vehicle pop-up hood apparatus can secure a space for the front bolt fastening point
- the rear bolt fastening point is substantially collinear in the hood front-rear direction passing through the front bolt fastening point.
- it has an excellent effect that it is advantageous for a vehicle that can secure a space in the hood width direction.
- FIG. 5 is a side view corresponding to FIG. 4 showing an operation when a collision load is applied from above the hood.
- FIG. 10 is an enlarged plan view showing a positional relationship among a rod pressing portion, a hinge bolt, a notch, and a broken line in a state where the hood hinge shown in FIG. 9 is assembled.
- FIG. 12B is a longitudinal sectional view corresponding to FIG.
- FIGS. 12B and 12C show an improvement plan (variation 2) as in FIGS. 12B and 12C.
- It is a longitudinal cross-sectional view which expands and shows the principal part of the pop-up hood apparatus for vehicles which concerns on 6th Embodiment.
- It is a principal part longitudinal cross-sectional view which shows the variation 1 of 6th Embodiment.
- It is a partial expansion perspective view of the hinge arm which shows the variation 2 of 6th Embodiment.
- It is a longitudinal cross-sectional view which expands and shows the attachment structure of the hinge arm which is the principal part of the pop-up hood apparatus for vehicles which concerns on 8th Embodiment.
- an arrow FR appropriately shown indicates the vehicle front side
- an arrow UP indicates the vehicle upper side
- an arrow IN indicates the vehicle width direction inner side.
- FIG. 3 is a plan view showing the overall configuration of the vehicle pop-up hood apparatus according to the first embodiment.
- FIG. 2 is an enlarged plan view showing a pop-up mechanism portion arranged on the right side of the right-hand drive vehicle when viewed from the driver side (hereinafter simply referred to as “right side when viewed from the driver side”).
- FIG. 1 is an enlarged side view showing the pop-up mechanism disposed on the right side as viewed from the driver side as viewed from the engine room side.
- the vehicular pop-up hood apparatus 10 includes a pair of left and right pop-up mechanism portions 14 disposed on both sides of the rear end side of the hood 12 that opens and closes the engine room. Yes. Since the left and right pop-up mechanism sections 14 have the same configuration, in the following description, the configuration of the pop-up mechanism section 14 disposed on the right side as viewed from the driver side will be described, and disposed on the left side as viewed from the driver side. A description of the configuration of the pop-up mechanism 14 is omitted.
- the pop-up mechanism unit 14 is moved in the axial direction to the upper side of the hood when the hood hinge 16 that supports the hood 12 so as to be opened and closed, the actuator 18 that operates when the pedestrian or other collision object collides, and the actuator 18 that operates. Rod 20 (see FIG. 4).
- each component will be described in this order.
- the hood hinge 16 is provided on the cowl top side 22 which is a vehicle body side component provided on both sides of the cowl extending along the vehicle width direction between the rear end side of the hood 12 and the lower end portion of the windshield glass.
- a hinge base 26 fixed to the upper surface portion 22A with a mounting bolt 36, which will be described later, and a hinge pin (rotation center axis) 28 connected to the hinge base 26 so as to be rotatable relative to each other.
- the hinge arm 30 is connected to the portion 34A.
- the hood 12 includes a hood outer panel 32 that is disposed outside the vehicle and forms a design surface, and a hood inner panel 34 that is disposed on the engine room side and reinforces the hood outer panel 32. Both are connected by the hemming of the terminal portion. Further, the rear end side of the hood inner panel 34 bulges toward the hood lower side, whereby a rear end bulge portion 34 ⁇ / b> A is formed on the rear end side of the hood 12. Further, the hood hinge 16 is essentially a hinge part for supporting the hood 12 on the body so as to be opened and closed. In the present embodiment, the hood hinge 16 is also a constituent element of the vehicle pop-up hood device 10.
- the hinge base 26 is formed in a substantially L shape when viewed from the front of the vehicle, and extends along the vehicle front-rear direction.
- the attachment portion 26 ⁇ / b> A is fixed to the upper surface portion 22 ⁇ / b> A of the cowl top side 22 by an attachment bolt 36.
- the hinge arm 30 is a long member extending along the longitudinal direction of the vehicle, and is formed in a substantially L shape in a side view. Structurally, the hinge arm 30 is bent toward the center in the hood width direction from the side wall 30A disposed in parallel to the support 26B of the hinge base 26 and the upper edge of the side wall 30A. And a top wall portion 30B that is formed in parallel to the rear end bulge portion 34A of the hood 12 and has a general cross-sectional shape that is L-shaped upside down. ing. Among these, the front lower surface (the range indicated by the arrow A in FIG.
- the hinge arm 30 has a substantially U-shaped cross-sectional shape at a portion where the additional side wall portion 30C is formed.
- the additional side wall portion 30C will be described as a fifth embodiment in relation to a notch 46 described later.
- the side wall 30A of the hood hinge 16 has a rear portion 30A1 disposed adjacent to the inner side in the vehicle width direction of the support portion 26B of the hinge base 26, and a center in the hood width direction with respect to the rear portion 30A1.
- the front portion 30A2 is arranged offset to the side and extends to the front side of the hood, and the intermediate portion 30A3 that obliquely connects the rear portion 30A1 and the front portion 30A2.
- the top wall portion 30B of the hood hinge 16 is configured in the same manner, and before being overlapped in contact with the rear portion 30B1 disposed on the support portion 26B side of the hinge base 26 and the lower surface of the rear end bulge portion 34A of the hood 12.
- a portion 30B2 and an intermediate portion 30B3 that obliquely connects the rear portion 30B1 and the front portion 30B2 are provided.
- the rear end portion of the side wall portion 30A of the hinge arm 30 is hinged to the upper end portion of the support portion 26B of the hinge base 26 by a hinge pin 28. Accordingly, the hinge arm 30 is rotatable in the vehicle vertical direction with the hinge pin 28 as the rotation center.
- an opening restricting stopper 40 bent in a bowl shape protrudes in the radial direction at the rear end portion of the side wall portion 30A, and correspondingly to the upper end portion of the support portion 26B of the hinge base 26.
- a restriction portion 42 for restricting the opening degree that interferes with the stopper 40 and restricts further rotation of the hinge arm 30.
- the front portion 30B2 of the top wall portion 30B of the hinge arm 30 extends substantially in the vehicle front-rear direction along the lower surface of the rear end bulge portion 34A of the hood 12, and is a hinge bolt that is a fastener at two points in the front-rear direction. 44 and a weld nut (not shown) are fastened (fixed) to the rear end bulge portion 34A of the hood 12.
- the bolt fastening direction of the hinge bolt 44 is the vertical direction of the hood, and when assembling, the hinge bolt 44 is screwed into a weld nut (not shown) from the lower side of the hood.
- the bolt head portion 44A of the hinge bolt 44 is arranged in a state of protruding from the lower surface of the top wall portion 30B to the hood lower side (see FIG. 1).
- the side wall portion 30A described above is formed with a notch 46 as a low-rigidity portion that is rectangular in a side view at a position facing the bolt head portion 44A of the hinge bolt 44 disposed on the rear side of the hood. Yes.
- the notch 46 is notched from the lower edge side to the upper edge side of the side wall portion 30A.
- the notch 46 is set so that it may cover the ridgeline which is a connection site
- the hinge arm 30 configured as described above is functionally viewed, the rear portion 30A1 of the side wall portion 30A functions as a hinge side connecting portion, and the front portion 30B2 of the top wall portion 30B functions as a hood side connecting portion.
- the part having both functions can be said to be the hinge arm 30.
- the actuator 18 is formed in a substantially columnar shape, and is disposed in the plan view in the front lower portion of the push-up surface 38 in the top wall portion 30B of the hinge arm 30 with the vehicle vertical direction as the axial direction.
- a bracket 48 is provided integrally with the actuator 18, and the bracket 48 is fixed to the side surface portion 22 ⁇ / b> B of the cowl top side 22 with a bolt 50.
- a gas generating means composed of a gas generating agent and an ignition device for generating gas by burning the gas generating agent are disposed inside the housing 52 of the actuator 18.
- a type in which the high-pressure gas is enclosed in the housing 52 and the ignition device is operated to break the partition walls separating the high-pressure gas. is there.
- the ignition device for operating the actuator 18 is connected to an ECU (control means) (not shown) disposed below the console box.
- the ECU is connected to a collision detection sensor (collision detection means) that is disposed on a front bumper or the like and detects or predicts a collision with a collision object such as a pedestrian.
- the rod 20 is accommodated coaxially in the housing 52 of the actuator 18.
- the rod 20 is a straight rod-like member, and a piston (not shown) tightly accommodated in the housing 52 is provided at the lower end thereof.
- the gas generated in the housing 52 acts as a driving force for the piston.
- a pressing portion 54 having a larger diameter than the rod 20 is attached to the upper end portion of the rod 20.
- the front end portion of the pressing portion 54 is formed in a gently curved shape, and is disposed so as to face the vicinity of the front end portion of the push-up surface 38 of the top wall portion 30B in the vertical direction. More precisely, as shown in FIG. 2, the pressing portion 54 is disposed outside the push-up surface 38 in the hood width direction.
- the pressing portion 54 is disposed at a position shifted in the hood width direction with respect to the pair of front and rear hinge bolts 44 in a vehicle plan view (a position not overlapping), and between the pair of front and rear hinge bolts 44. (In the vicinity of the hinge bolt 44 on the front side of the hood).
- a positional relationship is due to the reason that the vehicle mounting space is limited due to the relationship with peripheral components.
- the angle ⁇ between the axis of the rod 20 and the pushed-up surface 38 of the hinge arm 30 is set in the range of 95 ° to 140 °.
- the “angle formed between the axis of the rod 20 and the push-up surface 38 of the hinge arm 30” is simply an angle on the rear side of the vehicle and an angle on the front side of the vehicle with respect to the axis of the rod 20.
- “An angle ⁇ formed by the axis of the rod 20 and the push-up surface 38 of the hood hinge 30” refers to the former angle, which is an obtuse angle.
- FIG. 1 is a non-operating state of the vehicle pop-up hood apparatus 10.
- the rod 20 is accommodated in the housing 52 of the actuator 18.
- the pressing portion 54 at the distal end portion of the rod 20 is disposed to face directly below the front end side of the push-up surface 38 in the top wall portion 30 ⁇ / b> B of the hinge arm 30, and the hinge bolt It is located at a position shifted in the hood width direction with respect to 44 (see FIG. 2).
- the actuator 18 is of a high-pressure gas-filled type
- a predetermined amount of gas is generated in the housing 52 when the ignition device is operated and the partition wall is broken.
- the above operation is performed when a frontal collision is predicted.
- the gas generated as described above acts on the piston tightly accommodated in the housing 52, and presses the piston toward the axially distal end side of the housing 52 (that is, the upper side of the hood). Since the lower end of the rod 20 is connected to the piston, when the piston moves up in the housing 52, the rod 20 moves in the axial direction toward the upper side of the hood. As a result, as shown in FIG. 4, the pressing portion 54 at the tip of the rod 20 contacts the push-up surface 38 of the hinge arm 30, and the hinge arm 30 is rotated around the hinge pin 28 in the clockwise direction in FIG. 4 (arrow B direction). , The rear end side (rear end bulge portion 34A) of the hood 12 is pushed upward.
- the hinge arm 30 is bent starting from the notch 46.
- the rotation stroke of the hinge arm 30 is regulated by the stopper 40 formed at the rear end of the side wall portion 30A coming into contact with the regulating portion 42 of the hinge base 26, so that the hinge arm 30 has a predetermined amount or more. Does not rotate. That is, the pop-up amount (lift-up amount) on the rear end side of the hood 12 is determined in advance.
- the pressing portion 54 at the tip of the rod 20 is slid toward the vehicle rear side along the push-up surface 38 of the hinge arm 30 connected to the rear end side of the hood 12. Since the rod 20 is bent and deformed from the base using the sliding motion to absorb the energy, the plastic deformation method varies depending on the dimensional accuracy of the energy absorbing mechanism as in the past, Energy absorption loss due to the piston rod not smoothly moving relative to the cylinder depending on the input direction of the collision load is greatly reduced.
- a collision load of a predetermined value or more is present in the vicinity of the hood push-up position.
- collision energy can be absorbed efficiently.
- the hood in which the axis of the rod 20 pushing up the rear end side of the hood and the pressing portion 54 at the tip of the rod 20 abuts. Since the angle ⁇ formed with the push-up surface 38 on the rear end side is set in the range of 95 ° or more and 140 ° or less, even if the direction of the impact force acting near the push-up position of the hood 12 is slightly changed, the rod 20 The pressing portion 54 slides on the push-up surface 38 on the rear end side of the hood toward the vehicle rear side.
- the angle ⁇ must be larger than 90 °, and should be 95 ° or more in consideration of an error. If the angle ⁇ exceeds 140 °, the frictional force acting between the pressing portion 54 of the rod 20 and the pushing-up surface 38 becomes too small, and the pressing portion 54 of the rod 20 slides on the pushing-up surface 38 and the rod 20 Does not bend and deform sufficiently. Therefore, the angle ⁇ is preferably 140 ° or less. If set in this range, it is possible to cause the rod 20 to bend and deform with high accuracy, suppress the rod 20 from being in a buckling mode, and increase the reaction force, thereby improving the reliability of the energy absorption performance. Can be improved.
- the hinge arm 30 is disposed as a reinforcing member for reinforcing the contact portion at the portion where the pressing portion 54 of the tip portion of the rod 20 contacts on the rear end side of the hood, the rear end side of the hood Even if the pressing portion 54 of the rod 20 abuts, the pressing portion 54 of the rod 20 does not directly abut on the hood 12 itself. Therefore, it is possible to suppress or prevent the hood 12 itself from being damaged by the pressing portion 54 of the rod 20.
- the push-up position on the hood rear end side by the pressing portion 54 at the tip end portion of the rod 20 is set to a position shifted so as not to overlap the bolt head portion 44A of the hinge bolt 44 in the hood width direction. Therefore, when the pressing portion 54 of the rod 20 slides on the push-up surface 38 of the hinge arm 30 toward the vehicle rear side, the pressing portion 54 of the rod 20 is not caught by the bolt head 44A of the hinge bolt 44. Glide to the rear side of the vehicle. That is, in this embodiment, since the interference avoidance structure or the interference avoidance means for the bolt head 44A of the hinge bolt 44 is added to the hinge arm 30, the sliding of the pressing portion 54 of the rod 20 toward the vehicle rear side is smoothly performed. Can be made. As a result, the rod 20 can be bent and deformed as intended, and as a result, energy at the time of collision can be efficiently absorbed.
- the angle ⁇ between the axis of the rod 20 and the push-up surface 38 is The rod is in a state where both ends in the axial direction are constrained (even if the range is set) (the lower end of the rod is constrained by the actuator and the upper end of the rod is constrained by the head of the fastener)
- the rod tip end portion does not slide along the hinge arm to the vehicle rear side, and the “buckling mode” in which the axial intermediate portion of the rod is bent may occur.
- the push-up position on the rear end side of the hood by the pressing portion 54 at the front end portion of the rod 20 is offset in the hood width direction with respect to the bolt head portion 44A of the hinge bolt 44. It is very good in that it does not happen.
- the end of the pressing portion 56 provided at the tip of the rod 20 is set to the inclination angle of the pushing-up surface 38 when pushing up the pushing-up surface 38 of the hinge arm 30. It is characterized by the point formed by the matching inclined surface 58. Specifically, an inclined surface 58 that matches the inclination angle of the push-up surface 38 during normal operation (when the vehicle pop-up hood device 10 is not in operation) is formed on the end surface of the pressing portion 56.
- the actuator 18 when the actuator 18 is actuated to move the rod 20 in the axial direction toward the upper side of the hood, and the pressing portion 54 at the tip of the rod 20 pushes up the push-up surface 38 of the hinge arm 30, the pressing portion 56.
- the inclined surface 58 contacts the push-up surface 38 in a surface contact state. Accordingly, the surface pressure of the contact surface is lower than when the pressing portion of the rod 20 contacts the push-up surface 38 in a point contact state, and accordingly, the push-up surface 38 (hinge arm 30) is hardly deformed. . Further, since the push-up surface 38 is less deformed, the tip portion (pressing portion 56) of the rod 20 is smoothly slid along the push-up surface 38 of the hinge arm 30 toward the vehicle rear side when a collision load is applied. be able to.
- the tip of the rod 20 strongly presses the push-up surface 38 of the hinge arm 30.
- a stronger force acts on the push-up surface 38 when the actuator 18 is actuated and the tip of the rod 20 starts to push up the hinge arm 30 (when it first comes into contact) than the pressure. Therefore, it is most effective to set the inclined surface 58 at the tip of the rod 20 so as to be in a surface contact state at this timing.
- a reinforcing plate 60 as a reinforcing member configured separately from the hinge arm 30 of the hood hinge 16 is disposed on the front side of the hinge arm 30.
- the cross-sectional shape of the reinforcing plate 60 is substantially U-shaped like the front portion of the hinge arm 30, and is fixed to the rear end bulge portion 34 ⁇ / b> A of the hood 12 with two front and rear reinforcing plate fixing bolts 62.
- the actuator 18 and the rod 20 are disposed on the lower side of the reinforcing plate 60 so as to face each other. Therefore, the actuator 18 and the rod 20 have a layout that does not face the hinge arm 30. Further, the pressing portion 54 at the tip of the rod 20 is disposed at a position shifted in the hood width direction with respect to the reinforcing plate fixing bolt 62 in a vehicle plan view.
- the rod 20 moves in the axial direction toward the upper side of the hood, and the pressing portion 54 contacts the push-up surface 38 of the top wall portion 60A of the reinforcing plate 60. Since the pushing position of the reinforcing plate 60 by the pressing portion 54 is set at a position shifted so as not to overlap the reinforcing plate fixing bolt 62 in the hood width direction, the pressing portion 54 moves on the pushing surface 38 of the reinforcing plate 60. When sliding toward the vehicle rear side, the pressing portion 54 slides toward the vehicle rear side without being caught by the bolt head 62A of the reinforcing plate fixing bolt 62.
- the sliding of the pressing portion 54 at the tip of the rod 20 toward the vehicle rear side can be performed smoothly. Therefore, also in this embodiment, the rod 20 can be bent and deformed as intended, and as a result, energy at the time of collision can be absorbed efficiently.
- the reinforcing plate 60 is provided separately from the hinge arm 30, and the pressing portion 54 of the rod 20 slides on the push-up surface 38 of the reinforcing plate 60. This is effective for a vehicle type (body structure) in which a component layout must be adopted.
- the reinforcing plate 60 is disposed with a predetermined gap on the front side of the hood of the hinge arm 30, and the push-up surface 38 is set only on the reinforcing plate 60.
- the push-up surface 38 may be set across the reinforcing plate 60 and the front end portion of the hinge arm 30 by abutting (continuing) the members in the hood front-rear direction.
- this embodiment is characterized in that the present invention is applied to a hinge arm 64 having a two-part structure. That is, the hinge arm 64 is connected to the hinge lower arm 66 whose side surface shape is substantially the same as the hinge arm 30 described in the first embodiment, and to the front end portion of the hinge lower arm 66 so as to be relatively rotatable by the hinge pin 68. And a hinge upper arm 70 that is linear in a plan view.
- the hinge lower arm 66 is the same as the hinge arm 30 of the first embodiment in that it includes a side wall portion 66A and a top wall portion 66B on the outer side in the hood width direction, and has a general cross section of an L shape.
- the hinge upper arm 70 has a substantially U-shaped cross section when viewed from the front of the vehicle.
- the side wall portion 70A of the hinge upper arm 70 is coupled by the shear pin 72 in a state of being disposed so as to overlap the side wall portion 66A of the hinge lower arm 66.
- the shear pin 72 is broken when a shear load of a predetermined value or more acts.
- the angle ⁇ formed by the push-up surface 38 when the rod 20 and the hood 12 are held in the push-up position is set in the range of 95 ° to 140 °, as in the first embodiment. Yes.
- the same operations and effects as those of the first embodiment described above can be obtained. That is, when the actuator 18 is actuated to move the rod 20 in the axial direction upward of the hood, the pressing portion 54 at the tip of the rod 20 comes into contact with the lower surface (push-up surface 38) of the top wall portion 70B of the hinge upper arm 70, Push this up. When the shear load acting on the shear pin 72 reaches a predetermined value, the shear pin 72 breaks and the hinge upper arm 70 rotates relative to the hinge pin 68 in the direction of arrow C in FIG. Thereby, the hood 12 is held in the pushed-up position holding state. Thereafter, when the collision load acts from above the hood, the pressing portion 54 slides toward the vehicle rear side along the push-up surface 38 of the hinge upper arm 70, and the rod 20 is bent from its root. Therefore, the same effect as the first embodiment can be obtained.
- the pressing portion 54 at the tip of the rod 20 is prevented from interfering with the bolt head 44A of the hinge bolt 44.
- the hinge arm surface (push-up surface 38) of the hinge arm 30 by tilting the hinge arm surface (push-up surface 38) of the hinge arm 30, the pressing portion 54 at the tip of the rod 20 is prevented from interfering with the bolt head 44A of the hinge bolt 44.
- the overall shape and structure of the hinge arm 30 are the same as those in the first embodiment described above, and the front portion thereof is the side wall portion 30A and the top portion.
- the wall portion 30B and the additional side wall portion 30C are formed in a substantially U shape.
- a notch 46 serving as a low-rigidity portion is formed at a predetermined position in the longitudinal direction of the side wall 30A on the outer side of the hinge arm 30 in the hood width direction (slightly behind the hood with respect to the push-up position by the pressing portion 54 of the rod 20). Yes.
- This notch 46 has the same configuration as that described in the first embodiment, and is cut vertically from the lower edge side of the side wall 30A to divide the side wall 30A back and forth in order to reduce the rigidity of the side wall 30A. And it penetrates to the plate
- the notch width “a” of the notch 46 and the notch length “b” in plan view are set smaller than the outer diameter ⁇ of the pressing portion 54.
- the notch width a needs to be about twice the plate thickness of the hinge arm 30. However, if the notch width a is too large, the notch 46 may be fitted into the notch 46 when the pressing portion 54 slides toward the vehicle rear side. Therefore, it is preferable that the thickness is not less than twice the plate thickness and smaller than the outer diameter ⁇ of the pressing portion 54.
- the shape of the notch 46 is not particularly limited, and may be a slit shape, or may be a V-shape, a U-shape, or the like upside down.
- the notch 46 is set as the low-rigidity part, but the present invention is not limited to this, and a bead, a notch, or the like may be used.
- the additional side wall portion 30C on the opposite side is formed over a range including two fastening positions of the pair of front and rear hinge bolts 44 in the hood front-rear direction.
- angular part of the rear end inner side of the fixed surface 82 to the hood 12 of the top wall part 30B is cut into quadrant shape, and the additional side wall part 30C is formed until it reaches this cutting part 84. That is, the rigidity changes suddenly at the cut portion 84 where the additional side wall portion 30C no longer exists, and another low-rigidity portion is set.
- a line segment Q connecting the notch 46 and the cut portion 84 is a broken line.
- FIG. 11A is a normal state, and in this state, the push-up surface 38 of the hinge arm 30 is not inclined. From this state, as shown in FIG. 11B, the actuator 18 is operated, and the pressing portion 54 at the tip of the rod 20 pushes the push-up surface 38 of the hinge arm 30 at the push-up position (position of the push portion 54 in FIG. 10).
- the top wall 30B is tilted to the side where the top wall 30B is pushed up (outside of the top wall 30B in the hood width direction) by the pushing force. That is, the top wall portion 30B is bent along the broken line Q, and the inclined surface 86 is thereby formed.
- the pressing portion 54 at the tip of the rod 20 slides on the inclined surface 86 of the push-up surface 38 toward the vehicle rear side, the rod 20 slides away from the hinge bolt 44.
- the notch 46 and the cut-out portion 84 are set so that the broken line Q is formed when the top wall portion 30B is pushed up by the pressing portion 54 of the rod 20.
- the behavior (movement trajectory) of the pressing portion 54 at the tip of the rod 20 can be controlled.
- the low-rigidity portion is formed by the notch 46, it is easier to manufacture compared to a configuration in which the plate thickness is reduced. Accordingly, the low rigidity portion can be set at a low cost, and the top wall portion 30B forming the push-up surface 38 of the hood hinge 16 can be smoothly bent by a necessary amount.
- the strength of the hinge arm 30 can be increased. That is, when the hood 12 is excessively opened or strongly closed, the push-up surface 38 of the hinge arm 30 is a line S parallel to the rotation axis R of the hinge arm 30 (the bolt fastening point located at the end). ) As a broken line S.
- the fold line Q set on the fixed surface 82 of the hinge arm 30 intersects the rotation axis R of the hinge arm 30 in a vehicle plan view (becomes non-parallel).
- the pressing portion 54 at the tip end of the rod 20 is temporarily separated from the hinge bolt 44 due to the inclined surface 86. Even if it passes, the pressing portion 54 of the rod 20 is prevented from falling off the push-up surface 38 by the side wall portion 30A. As a result, the pressing portion 54 at the tip end portion of the rod 20 can be slid to the end of the previously set sliding stroke or the vicinity thereof, and as a result, variations in energy absorption amount can be suppressed. In addition, as a result of preventing the pressing portion 54 of the rod 20 from falling off the push-up surface 38, an effect that damage to the hood 12 can be prevented is also obtained.
- the rigidity of the hinge arm 30 in the formation range of the side wall 30A increases accordingly.
- the notch 46 is set in the middle of the side wall portion 30A, the side wall portion 30A is always bent from the site where the notch 46 is formed. That is, the notch 46 is the starting point of the folding, and a predetermined broken line Q is formed as intended. As a result, the folding start point becomes clear and the accuracy with respect to bending the top wall portion 30B of the hinge arm 30 along the predetermined folding line Q can be increased.
- the hinge arm is provided by providing the notch 46 in the side wall portion 30A.
- 30 rigidity reduction can be supplemented by the additional side wall portion 30C.
- FIG. 12 is a variation of the developed form in the case where the notch 46 is set with the relationship of the dimensions a, b, and ⁇ (a ⁇ , b ⁇ ).
- the front and rear flanges 88 and 90 sandwiching the notch 46 are opposed to each other as shown in FIG.
- the lower end corners on the notched sides of the front and rear flanges 88 and 90 interfere with each other (at an early stage) to inhibit the bending.
- the front and rear flanges 92 and 94 sandwiching the notch 46 are arranged offset in the hood width direction. In this way, the problem that the lower end corners on the notched side of the front and rear flanges 92 and 94 interfere with each other is solved. If the offset relationship is reversed, when the pressing portion 54 of the rod 20 slides on the push-up surface 38 toward the rear side of the vehicle, the pressing portion 54 is caught by the rear flange. It is better to set as follows.
- the front flange 96 is bent in advance so as to open outward in the hood width direction.
- the flange 96 is formed so as to intersect the rear flange 98. Even in this case, the lower end corner of the front flange 96 is displaced outward in the hood width direction with respect to the lower end corner of the rear flange 98, so the problem of the lower end corners interfering with each other is solved.
- the inclined surface 86 is not formed on the top wall portion 30 ⁇ / b> B by the pushing force applied by the pressing portion 54 at the distal end portion of the rod 20, but the inclined surface 86 is previously formed on the top wall portion 30 ⁇ / b> B. It is characterized in that 99 is provided.
- the notch 46 mentioned above is not formed in the side wall part 30A, it is set as the structure (substantially L-shaped cross-sectional shape seeing in the vehicle front-back direction) which does not provide the additional side wall part 30C on the opposite side. ing.
- the pressing portion 54 can be separated from the bolt head portion 44 ⁇ / b> A of the hinge bolt 44 by sliding the pressing portion 54 on the inclined surface 99.
- This sixth embodiment is characterized in that the hinge arm 100 is provided with guide means for guiding the sliding of the pressing portion 54 at the tip of the rod 20.
- the cross-sectional shape of the front portion of the hinge arm 100 is an L shape composed of a side wall portion 100A and a top wall portion 100B.
- the width direction dimension of the top wall portion 100B is substantially the same as the width direction dimension of the rear end bulge portion 34A of the hood 12, and the guide described later is in a state where the top wall portion 100B is superimposed on the lower surface of the rear end bulge portion 34A.
- the plate 102 is fastened (fixed) by a hinge bolt 44. Further, in a state where the hinge arm 100 is fixed, the side wall portion 100A is disposed on the outer side in the hood width direction.
- a guide plate 102 is disposed as a guide means that is formed separately from the hinge arm 100 and formed in an L shape when viewed in the vehicle front-rear direction.
- the guide plate 102 also includes a side wall portion 102A and a top wall portion 102B as vertical walls.
- the width direction dimension of the top wall portion 102B is about half that of the top wall portion 100B of the hinge arm 100.
- the height of the side wall 102A is set to a height obtained by subtracting the plate thickness of the top wall 100B from the height of the side wall 100A of the hinge arm 100.
- the guide plate 102 When assembling, the guide plate 102 is arranged so as to be shifted to the inner side in the hood width direction of the hinge arm 100, and the top wall portion 102B of the guide plate 102, the top wall portion 100B of the hinge arm 100, and the rear end bulge portion 34A are provided in three pieces. After being overlapped, they are fastened together with hinge bolts 44.
- the bolt head portion 44A of the hinge bolt 44 is positioned on the top wall portion 102B side of the guide plate 102 so that the bolt head portion 44A is not visible by the side wall portion 102A when viewed from the hood side. It has become. That is, the height of the side wall portion 102 ⁇ / b> A of the guide plate 102 only needs to be set to an extent that covers the bolt head portion 44 ⁇ / b> A of the hinge bolt 44.
- a track 104 is formed on which the pressing portion 54 at the tip of the rod 20 slides.
- the vertical wall (the side wall portion of the guide plate 102) that separates the bolt head portion 44 ⁇ / b> A of the hinge bolt 44 and the pressing portion 54 of the rod 20 at the middle portion in the hood width direction of the top wall portion 100 ⁇ / b> B of the hinge arm 100. 102A)
- the side wall portion 102A of the guide plate 102 is formed when the pressing portion 54 at the distal end portion of the rod 20 slides on the push-up surface 38 of the hinge arm 100 along the track 104 toward the vehicle rear side. This prevents the pressing portion 54 of the rod 20 from interfering with the bolt head 44A of the hinge bolt 44. Accordingly, the pressing portion 54 of the rod 20 smoothly slides on the push-up surface 38 of the hinge arm 100 along the track 104 toward the vehicle rear side.
- the guide plate 102 since the guide plate 102 is separated from the hinge arm 100, matters such as the width, length, and shape of the track 104 on which the pressing portion 54 of the rod 20 slides can be arbitrarily set. . Therefore, the degree of freedom in design increases. Furthermore, since the guide plate 102 is fastened together with the rear end bulge portion of the hood 12 using the hinge bolt 44, the number of parts can be reduced as compared with the case where the guide plate 102 is separately fixed to the hinge arm 100. As a result, according to the present embodiment, the degree of freedom in designing the guide means for guiding the movement of the pressing portion 54 of the rod 20 can be increased, and the structure can be simplified.
- the hinge arm 100 may be a guide plate and the guide plate 102 may be a hinge arm.
- the side wall portion (side wall portion 102A) of the hinge arm serves as a partition wall for avoiding interference, and the track 104 is also secured.
- the pressing portion 54 slides on the push-up surface 38 of the guide plate (hinge plate 100) toward the vehicle rear side, and the guide plate in this case is a reinforcement in the present invention. Since the hinge bolt 44 corresponds to the member and both the members are fastened together, the hinge bolt 44 may be interpreted as corresponding to the reinforcing plate fixing bolt.
- the guide means is formed integrally with the hinge arm 106.
- the hinge arm 106 is formed in an L shape having a side wall portion 102A and a top wall portion 102B, and as a guide means that projects to the lower side of the hood at the intermediate portion in the width direction of the top wall portion 102B.
- the protruding portion 108 is integrally formed.
- the cross-sectional shape of the protruding portion 108 is U-shaped, and is erected in parallel to the side wall portion 102A.
- a track 104 on which the pressing portion 54 of the rod 20 slides is formed between the protruding portion 108 and the side wall portion 102A of the top wall portion 102B.
- the bolt fastening point of the hinge bolt 44 is set in the hood width direction inner side part from the protrusion part 108 in the top wall part 102B.
- the bolt fastening surface and the track 104 of the pressing portion 54 of the rod 20 are separated by the protruding portion 108, so that the pressing portion 54 of the rod 20 is separated. Can be prevented from interfering with the bolt head 44A of the hinge bolt 44.
- the protruding portion 108 is formed integrally with the hinge arm 106, the number of parts can be reduced and the weight increase can be suppressed as compared with the case where the guide means is configured as a separate body, and no mounting work is required. It is.
- the structure can be simplified and reduced in weight, and the merit that the assembling work process is not increased can be obtained.
- a resin guide plate 111 as a guide means is attached to the lower surface of a metal hinge arm 110.
- This resin-made guide plate 111 is formed in a flat plate shape, and a guide groove 112 in which the pressing portion 54 can slide is integrally formed.
- a pair of quadrants 114 are formed at two front and rear locations inside the guide plate 111 in the hood width direction.
- the lower surface of the hinge arm 110 is exposed at the portion where the defect portion 114 is formed, and the hinge bolt 44 is screwed into the rear end bulge portion 34A of the hood 12 at the defect portion 114, whereby the hinge arm 110 is The rear end bulge portion 34A of the hood 12 is fastened and fixed.
- start end 112A of the guide groove 112 is set between a pair of front and rear bolt fastening points. Further, the guide groove 112 is formed so as to gradually come out from the start end portion 112A outward in the hood width direction and continue to the hood rear side.
- the bolt fastening surface and the track (guide groove 112) of the pressing portion 54 of the rod 20 are separated by the non-formed portion of the guide groove 112 of the guide plate 111 as in the example shown in FIG. Therefore, it is possible to prevent the pressing portion 54 of the rod 20 from interfering with the bolt head portion 44 ⁇ / b> A of the hinge bolt 44.
- the guide plate 111 having the guide groove 112 is configured separately from the hinge arm 110.
- the hinge arm is made of a resin material that can obtain a predetermined strength and rigidity
- the guide plate 111 is guided.
- a convex portion corresponding to the plate 111 can be formed integrally with the hinge arm.
- the number of parts can be reduced and an increase in weight can be suppressed, and the work of attaching the guide plate is unnecessary. Therefore, in the case of this configuration, it is possible to achieve a merit that the structure can be simplified and reduced in weight and the assembly work process does not increase.
- a pair of recesses 122 are formed in the top wall portion 120A of the hinge arm 120 so as to be recessed upward (in the bolt fastening direction), and the bolt head portion 44A of the hinge bolt 44 is accommodated in the recess 122.
- the end surface of the bolt head portion 44A of the hinge bolt 44 and the push-up surface 38 of the top wall portion 120A are set to be substantially flush with each other.
- the pressing portion 54 of the rod 20 slides on the push-up surface 38 of the hinge arm 120 toward the vehicle rear side, the pressing portion 54 of the rod 20 is caught by the bolt head 44 ⁇ / b> A of the hinge bolt 44.
- the end face of the bolt head 44A of the hinge bolt 44 is set substantially flush with the push-up surface 38 of the top wall portion 120A, the end face of the bolt head 44A also functions as a part of the push-up face 38. Even if the pressing part 54 passes through this part, it is not caught at all. For this reason, sliding to the vehicle rear side of the pressing part 54 of the rod 20 can be performed smoothly. As a result, the rod 20 can be bent and deformed as intended, and as a result, energy at the time of collision can be absorbed efficiently.
- the pressing portion 54 and the bolt head portion 44A of the rod 20 need to be shifted in the hood width direction. Therefore, the dimension of the hinge arm 120 in the hood width direction can be reduced. As a result, the hinge arm 120 can be downsized in the hood width direction.
- This eighth embodiment is characterized in that the hinge arm 138 is attached to the rear side of the hood with the hood width direction as the bolt fastening direction.
- the hood 130 includes a hood outer panel 132 that forms a design surface, and two first hood inner panels 134 and a second hood inner panel that are disposed on the lower surface side of the hood outer panel 132 and reinforce the hood outer panel 132.
- the hood inner panel is divided into a first hood inner panel 134 disposed on the outer side in the hood width direction and a second hood inner panel 136 disposed on the inner side in the hood width direction.
- the inner terminal portion 134A of the first hood inner panel 134 and the outer terminal portion 136A of the second hood inner panel 136 are combined and bent downward to the hood lower side.
- this is an example of a hood plate assembly structure, and any other hood plate assembly structure can be used as long as a vertical mounting seating surface corresponding to the inner terminal portion 134A and the outer terminal portion 136A is obtained. Also good.
- the hinge arm 138 has a vertical cross-sectional shape that is substantially L-shaped, and includes a vertical wall portion 138A and a horizontal wall portion 138B.
- the vertical wall portion 138A is in contact with the outer side surface in the hood width direction of the inner terminal portion 134A of the first hood inner panel 134, and the vertical wall portion 138A, the inner terminal portion 134A of the first hood inner panel 134, and the second hood inner panel.
- the hinge bolt 44 is inserted from the outer side in the hood width direction and fixed by the nut 140 in a state where the outer end portion 136A of 136 is in a three-layered state.
- the lateral wall portion 138B is bent so as to have a substantially U-shaped cross-sectional shape in which the lower side of the hood is opened on the inner side in the hood width direction, and the bottom portion of the substantially U-shaped bent portion is the rod 20.
- This is a track 142 on which the pressing portion 54 slides.
- the pressing portion 54 of the rod 20 slides on the push-up surface 38 along the track 104 to the vehicle rear side.
- the positional relationship in which the pressing portion 54 of the rod 20 does not interfere with the hinge bolt 44 can be achieved.
- sliding to the vehicle rear side of the pressing part 54 of the rod 20 can be performed smoothly.
- the rod 20 can be bent and deformed as intended, and as a result, the energy at the time of collision can be efficiently absorbed.
- the hinge arm 138 includes the vertical wall portion 138A and the horizontal wall portion 138B, the horizontal wall portion 138B is used for sliding the pressing portion 54 of the rod 20, and the vertical wall portion 138A is directed to the rear side of the hood of the hinge arm 138. It can be used as a mounting part. That is, each wall can be used with only one application. For this reason, compared with the case where the function as a sliding surface of the pressing part 54 of the rod 20 and the function as a bolt fastening surface are set to the same wall, the design of the hinge arm 30 can be facilitated. As a result, optimal design of the vertical wall portion 138A and the horizontal wall portion 138 becomes possible due to the function sharing.
- a hinge arm 150 having a long arm length in the front-rear direction of the hood is used, and this is attached to the rear of the hood with three hinge bolts 44 (two) and 152 (one). Fastened to the end side.
- the front end portion of the hinge arm 30 used in the first embodiment described above is extended to the front side of the hood, and a third bolt fastening point is set at the front end portion of the extension portion 150A.
- interval of the bolt head 44A of the 2nd hinge bolt 44 and the bolt head 152A of the hinge bolt 152 located in the foremost part becomes wide, and the vacant part between both bolt fastening points is pressed by the rod 20.
- the structure is used as the push-up surface 38 on which the portion 54 slides. Therefore, in this embodiment, the pitch t between the fastening points of the second and third hinge bolts 44 and 152 is set longer than the moving stroke of the pressing portion 54 of the rod 20.
- the hinge arm 150 is fixed to the rear side of the hood by the plurality of hinge bolts 44 and 152 arranged at a predetermined interval in the front and rear direction of the hood, and the pressing portion 54 of the rod 20 is It abuts on a portion (a position indicated by a broken line of the pressing portion 54 in FIG. 19) located between bolt fastening points adjacent in the direction. Then, the pressing portion 54 of the rod 20 slides from the position indicated by the broken line to the position indicated by the two-dot chain line, but in this embodiment, the pitch t between the bolt fastening points adjacent in the hood front-rear direction is the rod t.
- the pressing portion 54 of the rod 20 can slide at least for the stroke necessary to bend and deform the rod 20. Thereby, sliding to the vehicle rear side of the press part 54 of the rod 20 can be performed smoothly. As a result, the rod 20 can be bent and deformed as intended, and energy at the time of collision can be absorbed efficiently.
- the pressing portion 54 of the rod 20 and the bolt heads 44A, 152A are shifted in the vehicle width direction in order to avoid interference with the bolt heads 44A, 152A of the hinge bolts 44, 152. Since it is not necessary to arrange, the dimension of the hinge arm 150 in the hood width direction can be reduced. Therefore, the hinge arm 150 can be reduced in size in the hood width direction. As a result, it is effective for a vehicle in which the width of the hinge arm 30 cannot be taken much.
- the hinge arm 150 since a process such as providing a recess in the hinge arm 150 is not required, there is no restriction on the depth of the recess that can be formed with respect to the plate thickness. Therefore, it is easy to manufacture the hinge arm 150.
- the contact position (the broken line shown in FIG. 19) of the three hinge bolts 44 (two) and 152 (one) and the pressing portion 54 of the rod 20 is in a straight line in the hood front-rear direction.
- the present invention is not limited to this, and as shown in FIG. 20, one rear hinge bolt 44 is provided, and this hinge bolt 44 is arranged in the hood width direction (in this example, inside) of the hinge arm 160. You may make it fasten and fix to the fixing
- the fixing portion 162 is formed by cutting and raising the inner side wall portion of the hinge arm 160.
- the point of fastening and fixing the front hinge bolt 152 to the extension 160A and the method of setting the pitch between the stroke and the bolt fastening point are the same as the configuration shown in FIG.
- the hinge arm 160 shown in FIG. 20 of the ninth embodiment is not provided with the extension portion 160A, and the fixing portion 162 is left as it is. There is a feature in the point using.
- the width direction dimension of the hinge arm 170 is set to be the same as the width direction dimension of the hinge arm 160.
- a push-up position position shown by a broken line
- the pressing portion 54 is set on the rear side of the hood of the front hinge bolt 44, and the pressing portion 54 passes the bolt fastening point of the rear hinge bolt 44 and is on the vehicle rear side. It comes to slide to.
- the pressing portion 54 comes into contact with the vehicle rear side of the bolt fastening point of the bolt 44 on the front side of the hinge arm 170 and slides from there to the vehicle rear side.
- the pressing portion 54 slides beyond the bolt fastening point of the rear hinge bolt 44, but the rear hinge bolt 44 is fastened at the fixing portion 162 projecting inward in the hood width direction.
- the rear hinge bolt 44 does not exist on the movement locus of 54. Therefore, the pressing portion 54 can pass without interfering with the bolt head portion 44A of the rear hinge bolt 44. Therefore, sliding of the pressing portion 54 of the rod 20 toward the vehicle rear side can be performed smoothly.
- the rod 20 can be bent and deformed as intended, and energy at the time of collision can be absorbed efficiently.
- the bolt fastening point of the rear hinge bolt 44 is the front and rear of the hood passing through the bolt fastening point of the front hinge bolt 44.
- it cannot be set at a position that is substantially on the same straight line in the direction, it is advantageous for a vehicle that can secure a space in the hood width direction.
- the hood hinge 16 is fixed to the cowl top side.
- the present invention is not limited to this, and the hood hinge may be fixed to a vehicle body side component such as an apron upper member.
- the present invention is not limited thereto, and any configuration may be used as long as the rod pushes up the rear side of the hood. That is, the “hood rear portion side” in the present invention refers to a portion located on the vehicle rear side with respect to the middle portion in the front-rear direction of the hood. Preferably, a portion from the rear end of the hood to about 3 of the total length of the hood is pushed up with a rod.
- the hood fold bead may be set in the hood front / rear direction middle part, except for the hood front / rear middle part. When this part is pushed upward, the hood breaks and deforms. This is because the rear end side of the hood does not rise.
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Abstract
Description
Claims (28)
- 車両に搭載されたアクチュエータと、
このアクチュエータが作動することによりフード上方側へ伸長し、フードヒンジを介して車体側に開閉可能に支持されたフード後部側をフード上方側へ押し上げかつその押し上げ位置にフードを保持するロッドと、
前記フードの押し上げ状態において、フード上方側から所定値以上の衝突荷重がロッドによるフードの押し上げ部位付近に作用した場合に、ロッドの先端部をフード後部側の押し上げ面に沿って車両後方側へ摺動させながらロッドを曲げ変形させることにより、衝突エネルギーを吸収するエネルギー吸収機構部と、
を有する車両用ポップアップフード装置。 - 前記フードの押し上げ状態を車両側方から見た場合に、フード後部側を押し上げているロッドの軸線とロッドの先端部が当接するフード後部側の押し上げ面とのなす角度θが95°以上140°以下の範囲に設定されている、
ことを特徴とする請求項1記載の車両用ポップアップフード装置。 - 前記ロッドの先端部は、アクチュエータの非作動時における前記フード後部側の押し上げ面の傾斜角度と略同一の角度となる傾斜面を備えている、
ことを特徴とする請求項1又は請求項2記載の車両用ポップアップフード装置。 - 前記フード後部側におけるロッドの先端部が当接する部位には、当該当接部位を補強する補強部材が配設されている、
ことを特徴とする請求項1記載の車両用ポップアップフード装置。 - 前記補強部材は、フード後部側に一端がヒンジボルトで固定されるフードヒンジのヒンジアームであり、
前記ロッドの先端部によるフード後部側の押し上げ位置は、ヒンジボルトに対してフード幅方向に重ならないようにずれた位置に設定されている、
ことを特徴とする請求項4記載の車両用ポップアップフード装置。 - 前記補強部材は、フードヒンジとは別体で構成されると共に補強板固定ボルトでフード後部側に固定された補強板であり、
前記ロッドの先端部によるフード後部側の押し上げ位置は、補強板固定ボルトに対してフード幅方向に重ならないようにずれた位置に設定されている、
ことを特徴とする請求項4記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板の押し上げ面の全部又は一部は、前記ロッドの先端部が当該押し上げ面上を車両後方側へ摺動する際に、ロッドの先端部が請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトから離れる方向へ滑るように、予めフード幅方向に傾斜されている、
ことを特徴とする請求項5又は請求項6記載の車両用ポップアップフード装置。 - 前記押し上げ面は、前記ロッドの先端部が当該押し上げ面を押し上げた際の押し上げ力が作用することにより所定の折れ線に沿って折れ曲がり、当該折り曲げ面上をロッドの先端部が車両後方側へ摺動することにより、ロッドの先端部が請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトから離れる、
ことを特徴とする請求項5又は請求項6記載の車両用ポップアップフード装置。 - 前記押し上げ面は、請求項5記載のヒンジアームの押し上げ面であり、
前記折れ線は、車両平面視で前記ヒンジアームの回転軸線に対して非平行となるように設定されている、
ことを特徴とする請求項8記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板の押し上げ面には、請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトの配置側と反対側のフード幅方向の端部に、フード前後方向に延在するフランジが設けられている、
ことを特徴とする請求項7に記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板の押し上げ面には、請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトの配置側と反対側のフード幅方向の端部に、フード前後方向に延在するフランジが設けられている、
ことを特徴とする請求項8記載の車両用ポップアップフード装置。 - 前記フランジの途中部分には、当該フランジを弱体化させる低剛性部が設定されている、
ことを特徴とする請求項11記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板の押し上げ面には、請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトの配置側となるフード幅方向の端部にも、フード前後方向に延在する第2のフランジが設けられている、
ことを特徴とする請求項12記載の車両用ポップアップフード装置。 - 前記低剛性部は切欠であり、
当該切欠を挟んだ前後のフランジをフード幅方向にオフセットして配置し、或いは一方のフランジが他方のフランジに対して交差するように配置した、
ことを特徴とする請求項12記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板の押し上げ面に、前記ロッドの先端部が当該押し上げ面上を車両後方側へ摺動する際に、ロッドの先端部が請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトに干渉しないようにロッドの先端部の移動をガイドするガイド手段を設けた、
ことを特徴とする請求項5又は請求項6記載の車両用ポップアップフード装置。 - 前記ガイド手段は、請求項5記載のヒンジアーム又は請求項6記載の補強板とは別体とされ、かつ請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトを用いてフードに共締めされると共にフード上下方向に沿って延在してヒンジボルト又は補強板固定ボルトとロッドの先端部の軌道とを隔てる縦壁を有するガイドプレートである、
ことを特徴とする請求項15記載の車両用ポップアップフード装置。 - 前記ガイド手段は、請求項5記載のヒンジアーム又は請求項6記載の補強板と一体に形成され、かつフード下方へ向けて突出してヒンジボルト又は補強板固定ボルトとロッドの先端部の軌道とを隔てる突出部である、
ことを特徴とする請求項15記載の車両用ポップアップフード装置。 - 前記ガイド手段は、請求項5記載のヒンジアーム又は請求項6記載の補強板の下面に固定されかつロッドの先端部が摺動可能なガイド溝を有する樹脂製のガイドプレートである、
ことを特徴とする請求項15記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板には、請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトのボルト締結方向に凹む凹部が形成されており、
ボルト締結後の状態では、請求項5記載のヒンジアーム又は請求項6記載の補強板の押し上げ面と前記凹部に収容されたボルト頭部の端面とが略面一になるように設定されている、
ことを特徴とする請求項5又は請求項6記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板は、フード幅方向をボルト締結方向としてフード後部側に取り付けられている、
ことを特徴とする請求項5又は請求項6記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板は、フード後部側の下面に対して略平行に配置されかつロッドの先端部が摺動する横壁と、フード後部側の下面に対して略垂直に配置されかつボルト締結部とされる縦壁と、を含んで構成されている、
ことを特徴とする請求項20記載の車両用ポップアップフード装置。 - 前記補強部材はフードヒンジのヒンジアーム又はフードヒンジとは別体で構成された補強板であり、当該ヒンジアーム又は補強板はフード前後方向に所定の間隔を隔てて配置された複数のヒンジボルト又は補強板固定ボルトによってフード後部側に固定されており、
前記ロッドの先端部はフード前後方向に隣り合うボルト締結点間に位置する部位に当接しかつ当該フード前後方向に隣り合うボルト締結点間に当該ロッドの先端部の移動ストロークが含まれている、
ことを特徴とする請求項4記載の車両用ポップアップフード装置。 - 前記複数のボルト締結点は、フード前後方向に略一直線上に配置されている、
ことを特徴とする請求項22記載の車両用ポップアップフード装置。 - 前記補強部材はフードヒンジのヒンジアーム又はフードヒンジとは別体で構成された補強板であり、当該ヒンジアーム又は補強板はフード前後方向に所定の間隔を隔てて配置された複数のヒンジボルト又は補強板固定ボルトによってフード後部側に固定されており、
前記ロッドの先端部は前側のボルト締結点と後側のボルト締結点との間に位置する部位に当接しかつ後側のボルト締結点を越えて車両後方側へ摺動し、
さらに、後側のボルト締結点を前側のボルト締結点に対してフード幅方向にずらして配置した、
ことを特徴とする請求項4記載の車両用ポップアップフード装置。 - 請求項5記載のヒンジアーム又は請求項6記載の補強板には、前記ロッドの先端部が当該押し上げ面上を摺動する際に、ロッドの先端部が請求項5記載のヒンジボルト又は請求項6記載の補強板固定ボルトの頭部に対する干渉回避構造又は干渉回避手段が付加されている、
ことを特徴とする請求項5又は請求項6記載の車両用ポップアップフード装置。 - 前記低剛性部は切欠であり、
当該切欠は前記フランジの根元側に位置する稜線にかかるように形成されている、
ことを特徴とする請求項12記載の車両用ポップアップフード装置。 - 前記第2のフランジの後端部又はその近傍には前記低剛性部とは異なる別の低剛性部が形成されており、
当該低剛性部と当該別の低剛性部とを結んだ線分を折れ線として折れ曲がる、
ことを特徴とする請求項13記載の車両用ポップアップフード装置。 - 前記フードヒンジは、カウルトップサイドに固定されている、
請求項1記載の車両用ポップアップフード装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020107018883A KR101243495B1 (ko) | 2008-01-25 | 2009-01-22 | 차량용 팝업 후드 장치 |
KR1020127030816A KR101387897B1 (ko) | 2008-01-25 | 2009-01-22 | 차량용 팝업 후드 장치 |
CN2009801030482A CN101925492B (zh) | 2008-01-25 | 2009-01-22 | 车辆用弹出式发动机罩装置 |
US12/864,365 US8307935B2 (en) | 2008-01-25 | 2009-01-22 | Vehicle pop up hood apparatus |
EP09704353.3A EP2239168B1 (en) | 2008-01-25 | 2009-01-22 | Pop-up hood device for vehicle |
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JP2008015610A JP4410822B2 (ja) | 2008-01-25 | 2008-01-25 | 車両用ポップアップフード装置 |
JP2008-015610 | 2008-01-25 |
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WO2009093656A1 true WO2009093656A1 (ja) | 2009-07-30 |
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PCT/JP2009/050976 WO2009093656A1 (ja) | 2008-01-25 | 2009-01-22 | 車両用ポップアップフード装置 |
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Country | Link |
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US (1) | US8307935B2 (ja) |
EP (1) | EP2239168B1 (ja) |
JP (1) | JP4410822B2 (ja) |
KR (2) | KR101243495B1 (ja) |
CN (1) | CN101925492B (ja) |
WO (1) | WO2009093656A1 (ja) |
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- 2009-01-22 WO PCT/JP2009/050976 patent/WO2009093656A1/ja active Application Filing
- 2009-01-22 EP EP09704353.3A patent/EP2239168B1/en active Active
- 2009-01-22 CN CN2009801030482A patent/CN101925492B/zh active Active
- 2009-01-22 KR KR1020107018883A patent/KR101243495B1/ko not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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KR20130007663A (ko) | 2013-01-18 |
US8307935B2 (en) | 2012-11-13 |
KR101387897B1 (ko) | 2014-04-21 |
CN101925492A (zh) | 2010-12-22 |
EP2239168A4 (en) | 2011-06-29 |
JP2009173212A (ja) | 2009-08-06 |
US20110031056A1 (en) | 2011-02-10 |
CN101925492B (zh) | 2013-01-30 |
KR20100105893A (ko) | 2010-09-30 |
EP2239168B1 (en) | 2014-06-04 |
KR101243495B1 (ko) | 2013-03-13 |
EP2239168A1 (en) | 2010-10-13 |
JP4410822B2 (ja) | 2010-02-03 |
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