JP2011051369A - Moving body receiving device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a moving body receiving device consistently supporting and moving a receiving-holding part by one driving mechanism even when the receiving-holding part of a moving body has a wide area, and consistently absorbing the kinetic energy of the moving body. <P>SOLUTION: A driving mechanism of a receiving device S has a receiving-holding part 16 movable from the waiting position WP to the moving body receiving position SP, and a parallel link mechanism 22 and a motor 47. The parallel link mechanism has a cross link with one end side of the link being a movable pivotably supporting part 42 and the other end side being a fixed pivotably supporting part 41 on each edge of a movable link piece 29 on the receiving-holding part and a fixed link piece 23 on the waiting position side. The motor reciprocates a movable pivotably supporting part 42S on the fixed link piece side. Retraction recesses 55, 56 for moving the receiving-holding part to the waiting position side when receiving the moving body, and for retracting the pivotably supporting part, a guide recessed groove 61 moving the pivotably supporting part, and an energy absorbing member 63 imparting the resistance to the pivotably supporting part are arranged around the predetermined pivotably supporting part. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention is mounted on a vehicle and, in operation, extends the receiving holding portion from the standby position to a receiving position where the moving body can be received, and moves the receiving holding portion that has received the moving body toward the standby position side. Regarding a moving body receiving apparatus that can absorb the kinetic energy of a moving body during movement, specifically, a pedestrian that collides with a vehicle, a driver at the time of a vehicle collision, a passenger of a passenger in a passenger seat, and the like A moving body receiving device capable of receiving a moving body such as a knee or upper body or a hood panel on which a pedestrian that collides with a vehicle is placed on the upper surface side so as to reduce kinetic energy and safely stop the moving body. About.

  Conventionally, in this type of moving body receiving device, a receiving device that lifts a hood panel that receives a pedestrian as a moving body is known (for example, see Patent Document 1). In this receiving device, the screw rod that lifts the hood panel is lifted from the standby position by the screw mechanism using the motor as the driving source in response to the approach of the pedestrian, and the pedestal can be received by the hood panel. When avoiding the pedestrian's reception by the hood panel, the motor was reversed to return the screw rod together with the hood panel to the standby position. When the pedestrian is received by the hood panel, the kinetic energy of the pedestrian is absorbed by the plastic deformation of the hood panel and the friction force that descends while the screw rod is reversed.

JP 2008-30644 A

  However, in the conventional receiving device, the drive mechanism moves the screw rod up and down, and if the receiving surface of the receiving holding portion that receives the moving body is wide in a plane shape, with one screw rod, It cannot be stably supported, and the wide receiving holding part will be supported by multiple screw rods, and the mechanism for raising and lowering the screw rods at the same time becomes complicated, and the energy absorption of each screw rod tends to vary and is stable. Thus, there is room for improvement in terms of absorbing the kinetic energy of the moving body.

  The present invention solves the above-described problem, and even if the receiving holding portion that receives the moving body has a large receiving surface area, the receiving holding portion is stably supported by one driving mechanism. It is an object of the present invention to provide a moving body receiving apparatus that can be moved and can stably absorb the kinetic energy of the moving body.

The moving body receiving device according to the present invention is mounted on a vehicle and, when activated, extends the receiving holding portion from a standby position to a receiving position where the moving body can be received, and receives and holds the moving body. When the moving part moves toward the standby position side, the kinetic energy of the moving body can be absorbed, and when the receiving of the moving body is avoided after the receiving holding part is extended to the receiving position, the receiving holding part waits. A moving body receiving device for returning to a position,
The drive mechanism for moving the receiving holding portion is configured to include a parallel link mechanism and a drive source,
Parallel link mechanism
The fixed link piece on the holding base side that is disposed on the holding base on the standby position side of the receiving holding portion and the receiving holding portion and is arranged to face each other along the moving direction of the receiving holding portion. And a movable link piece on the receiving holding part side,
On both edge sides of the fixed link piece and the movable link piece, a cross link that crosses the links with each other and pivotally supports each other at the crossing portion is disposed, and one end side of the link is fixed on the fixed link piece. A movable shaft that is a fixed shaft support portion that is pivotally supported by one piece or a movable link piece, and the other end of the link is slidably supported in a sliding groove provided in the movable link piece or the fixed link piece. As a branch,
Configured,
Driving source is
A connecting portion integrally connected to the movable shaft supporting portion on one side of the fixed link;
A reversible actuator that is disposed on the holding base side while holding the connecting portion so as to be reciprocally movable along the sliding groove;
Configured with
When the moving body is received by the receiving holding part arranged at the receiving position on the fixed link side or the movable link side around the fixed shaft supporting part and the movable shaft supporting part, the receiving holding part can be moved to the standby position side. In addition, a recessed groove for retracting capable of retracting the fixed shaft supporting portion and the movable shaft supporting portion is disposed,
Restricts the pulling of the fixed shaft support part and the movable shaft support part into the recesses for drawing around the recessed groove for retraction so that the receiving holding part can be returned to the standby position when avoiding the reception of the moving body. And, a restricting portion is provided that deforms and enables the drawing of the fixed shaft supporting portion and the movable shaft supporting portion into the recessed groove for receiving the moving body,
A fixed shaft support or movable shaft that is drawn into the pull-in groove so that the receiving holding portion can be moved to the standby position in at least one pull-in groove on the fixed shaft support side or the movable shaft support side. A guide groove that is movable along the fixed link piece through the support is communicated,
An energy absorbing material capable of absorbing the kinetic energy of the moving body is disposed around the fixed shaft supporting portion or the movable shaft supporting portion that moves in the guide groove while resisting the moving fixed shaft supporting portion or the movable shaft supporting portion. It is characterized by being.

  In the moving body receiving apparatus according to the present invention, when the actuator is operated during operation, the connecting portion is moved, and the movable shaft support portion connected to the connecting portion slides in the sliding groove, and the cross link. Since each of the links is raised and moved in parallel so that the movable link piece is separated from the fixed link piece, the receiving holding portion provided with the movable link piece is extended from the standby position to the receiving position. Then, if the receiving holding part receives the moving body by the receiving surface, the regulating part is deformed, and the predetermined fixed shaft supporting part or the movable shaft supporting part is drawn into the pulling concave groove, and further, the fixed link piece The guide holding portion moves in parallel to the standby position side in accordance with the movement distance in the guide groove. At the same time, the predetermined fixed shaft support part or the movable shaft support part moving in the guide groove moves while receiving the resistance of the energy absorbing material, so that the energy absorbing material absorbs the kinetic energy of the moving body and moves. The impact with the receiving and holding part of the body can be reduced.

  On the other hand, when the receiving holding part avoids receiving the moving body, the actuator moves the connecting part in the reverse direction so that each link of the cross link becomes substantially parallel to the fixed link piece and the movable link piece. In this way, the receiving holding part is returned to the standby position while moving in parallel, because the receiving holding part is moved in a tilted manner. At this time, the restricting portion does not deform and prevents the predetermined fixed shaft support portion or the movable shaft support portion from being pulled into the recessed groove for pulling in. The stop holding part is moved in parallel to the standby position.

  In the receiving device according to the present invention, the movable link piece in which the pair of cross links of the parallel link mechanism are arranged on both sides of each other corresponds to the fixed link piece on the back side of the receiving main body. A wide width dimension between the two cross links is ensured while being supported at the tip end side of the total of four links of the pair of cross links, and between the shaft support portions of the two links of each cross link A long length dimension can be ensured and it can be arranged in a wide plane. Therefore, even if the receiving surface of the receiving holding part has a large area, the movable link piece can be arranged with a large area secured on the back side of the receiving holding part, and a pair of cross links and holding In cooperation with the fixed link piece on the base side, the receiving holding portion can be stably supported and translated.

  Further, the energy absorbing material that absorbs the kinetic energy of the moving body may be provided around the fixed shaft support portion or the movable shaft support portion so as to give resistance to the fixed shaft support portion or the movable shaft support portion that moves in the guide groove. The parallel link mechanism can move the fixed shaft support portion and the movable shaft support portion while stably moving the receiving holding portion to the standby position side, so that the fixed shaft support portion that moves the guide groove or Stable kinetic energy absorption characteristics can be ensured corresponding to the movement stroke of the movable shaft support.

  Therefore, in the moving body receiving apparatus according to the present invention, even if the receiving holding portion that receives the moving body has a large receiving surface, the receiving holding portion is stably supported by one drive mechanism. It can be translated, and the kinetic energy of the moving body can be absorbed while the receiving holder is translated in a stable manner.

  In the moving body receiving apparatus according to the present invention, it is desirable that the guide groove is disposed so as to communicate with the recessed groove for retraction on the side of the fixed shaft that has been retracted. In such a configuration, the guide groove can be provided not on the movable shaft support portion side where the sliding groove is provided, but on the fixed shaft support portion side where there is a margin in the arrangement space due to the absence of the sliding groove. The sliding groove and the guide groove can be easily provided while securing the above.

  Further, in the moving body receiving apparatus according to the present invention, the actuator is constituted by a motor provided with a pinion on an output shaft capable of reversible rotation, and the connecting portion is provided with a rack that meshes with the pinion so that the pinion is rotated. If it is configured to be able to reciprocate by movement, the receiving holder can be easily reciprocated by forward and reverse rotation of the motor.

It is a perspective view of the vehicle which has arranged the receiving device of one embodiment concerning the present invention. It is a general | schematic fragmentary longitudinal cross-sectional view of the vehicle which has arrange | positioned the receiving apparatus of embodiment. It is a schematic cross-sectional view at the time of the action | operation of the receiving apparatus of embodiment, and respond | corresponds to the III-III site | part of FIG. It is a schematic perspective view of the receiving apparatus of embodiment, and shows the state which has arrange | positioned the receiving holding part in the receiving position. It is a schematic perspective view of the receiving device of an embodiment, and shows the state where the receiving holding part was arranged in the standby position. It is a schematic cross-sectional view which shows the time of the action | operation of the receiving device of embodiment. It is a schematic cross-sectional view which shows the time of the action | operation of the receiving apparatus of embodiment, and shows the state which receives a pedestrian and absorbs the kinetic energy of a pedestrian. It is a schematic cross-sectional view which shows the time of the action | operation of the receiving apparatus in the modification of embodiment. It is a schematic cross-sectional view which shows the time of the action | operation of the receiving apparatus shown in FIG. 8, and shows the state which receives a pedestrian and absorbs the kinetic energy of a pedestrian. It is a general | schematic cross-sectional view which shows the time of the action | operation of the receiving apparatus in the other modification of embodiment. It is a schematic cross-sectional view which shows the time of operation | movement of the receiving apparatus shown in FIG. 10, and shows the state which receives a pedestrian and absorbs the kinetic energy of a pedestrian.

  Hereinafter, the receiving device S according to the embodiment of the present invention will be described with reference to the drawings. The receiving device S according to the embodiment represents a pedestrian M when colliding with the vehicle V, as shown in FIGS. A moving body to be received is configured by holding a front grille 17 disposed in front of the radiator 8 between the front bumper 5 and the hood panel 6 thereabove.

  In addition, the vertical / front / rear / left / right directions in this specification are based on the state in which the receiving device S is mounted on the vehicle V, and coincide with the vertical / front / back / left / right directions of the vehicle V. is there.

  The operation of the receiving device S is controlled by the control device 11, and the control device 11 outputs a signal from the collision prediction sensor 12 including a millimeter wave radar before the vehicle V collides with the pedestrian M. Based on this, when a collision with the pedestrian M of the vehicle V is predicted, the drive mechanism 21 of the receiving device S is operated, and the pedestrian from the standby position WP to the receiving position SP as shown in FIGS. The receiving holding part 16 for receiving M is extended. Furthermore, the control device 11 is configured to input a signal from the collision detection sensor 13 including a pressure sensor that detects an actual collision with the pedestrian M, and after the operation of the receiving device S, for a certain period of time. If no collision with the pedestrian M is detected based on the signal from the collision detection sensor 13 even after the passage, it is determined that the pedestrian M can be prevented from being received, and the reception holding unit 16 is moved to the reception position SP. The receiving device S is operated so as to return to the standby position WP.

  2 to 5, the receiving device S includes a holding base 20 connected to the bracket 3 extending from the bumper reinforcement 2, a receiving holding portion 16 having a front grille 17, and receiving holding. The drive mechanism 21 that moves the part 16 and the energy absorbing material 63 are provided. Note that the bumper reinforcement 2 is the body side member 1 of the vehicle V, and the connecting portion of the holding base 20 to the body side member 1 side is not limited to the bumper reinforcement 2 as long as it can be stably held. .

  The receiving and holding portion 16 includes a front grille 17 on the front side and a holding plate 18 that holds the front grille 17 on the rear side. In the receiving holding portion 16, the receiving surface 16 a that receives the pedestrian M is set as a wide area in the top, bottom, left, and right of the front grille 17. In the embodiment, the holding plate 18 is also used as a substrate portion 30 of a movable link piece 29 described later of the drive mechanism 21. Further, the holding base 20 disposed on the standby position WP side of the receiving holding unit 16 is also used as a substrate portion 24 of the fixed link piece 23 described later of the drive mechanism 21.

  The drive mechanism 21 includes a parallel link mechanism 22 and a drive source 45 that moves the parallel link mechanism 22. The drive source 45 includes an actuator 46 whose operation is controlled by the control device 11, and a connecting portion 51 that connects a support shaft 43 of a movable shaft support portion 42S (to be described later) of the parallel link mechanism 22. In the embodiment, the actuator 46 is constituted by a motor 47 (in the embodiment, a DC motor) that can rotate the output shaft (rotation drive shaft) 48 forward and backward, and the output shaft 48 of the motor 47 includes The pinion 49 is assembled | attached to the front-end | tip.

  The connecting portion 51 has a rectangular plate shape having an insertion hole 52 provided with a rack 53 that meshes with the pinion 49 on the inner peripheral surface. The connecting portion 51 is supported by a restricting portion 59 described later on the rear surface 51a side.

  Note that the motor 47 may be configured by connecting a reduction mechanism using a gear to the motor body before transmitting the driving force to the output shaft 48.

  The parallel link mechanism 22 includes a fixed link piece 23 on the holding base 20 side, a movable link piece 29 on the holding plate 18 side of the receiving holding portion 16, and a pair of cross links 35.

  The fixed link piece 23 and the movable link piece 29 are arranged so as to oppose each other along the moving direction of the receiving holding portion 16 (in the embodiment, the front-rear direction). The fixed link piece 23 and the movable link piece 29 face each other in the front-rear direction and are parallel to each other so that the movement direction (the front-rear direction in the case of the embodiment) of the receiving holding portion 16 and the vertical direction orthogonal to each other. The substantially rectangular substrate portions 24, 30 extending widely in the left-right direction, and the support walls 25, 26, 31 extending from both edges of the substrate portions 24, 30 so as to approach each other from the upper and lower edges in the case of the embodiment. , 32. These support walls 25, 26, 31, and 32 are portions that pivotally support the base portions 36 a and 37 a and the tip portions 36 b and 37 b of the links 36 and 37 of the cross link 35.

  The pair of cross links 35 are configured by causing two links 36 and 37 having the same length to cross each other and pivotally supporting each other by pins 38 at the crossing portion 35a. The fixed link piece 23 and the movable link piece 29 In the embodiment, in the case of the embodiment, the upper walls 36 and 37 and the lower walls 36 and 37 are connected to the base portions 36a and 37a and the tips 36b and 37b of the links 36 and 37, respectively. Is supported.

  And the base part 37a side of the links 37, 37 pivotally supported by the support walls 25, 26 on the fixed link piece 23 side is the movable shaft support part 42 (42S), and the support walls 25, 26 extend so as to extend in the left-right direction. The support walls 25 and 26 are pivotally supported so as to be slidable in the slide grooves 27 provided on the support wall 25. In the case of the embodiment, the base portions 37a of the links 37 and 37 are connected to each other by a single support shaft 43 to form a movable shaft support portion 42 (42S), and the support shaft 43 extends along the left-right direction. The sliding walls 27 are slidable and are supported by the support walls 25 and 26.

  Further, the distal end portion 36b side of the links 36, 36 pivotally supported by the support walls 31, 32 on the movable link piece 29 side is a movable shaft support portion 42 (42M), and the support walls 31, 32 extend so as to extend in the left-right direction. The support walls 31 and 32 are pivotally supported so as to be slidable in the slide grooves 33 provided on the support wall 31. In the case of the embodiment, the end portions 36b of the links 36 and 36 are connected to each other by a single support shaft 43 to form a movable shaft support portion 42 (42M), and the support shaft 43 extends along the left-right direction. The sliding walls 33 are slidable and supported by the support walls 31 and 32.

  The tip portions 37 b of the links 37, 37 are provided on the support walls 31, 32 of the movable link piece 29 as fixed shaft support portions 40 (40 </ b> S) connected to each other by a single support shaft 41. The shaft support hole 34 is rotatably supported. Also, the base portion 36 a of the links 36, 36 is also provided on the support walls 25, 26 of the fixed link piece 23 as a fixed shaft support portion 40 (40 M) that is connected to each other by a single support shaft 41. The shaft support hole 28 is rotatably supported.

  In the case of the embodiment, the support shaft 43 of the movable shaft support portion 42 </ b> S that connects the base portions 37 a of the links 37 and 37 is connected to the connection portion 51 while penetrating the connection portion 51. Therefore, as shown in FIGS. 3A and 3B, when the output shaft 48 of the motor 47 rotates in the clockwise direction, the connecting portion 51 that engages the rack 53 with the pinion 49 moves to the right and is movable. The shaft support portion 42S slides from the left end 27a side to the right end 27b side of the sliding groove 27, and the movable shaft support portion 42M slides from the left end 33a side to the right end 33b side of the sliding groove 33. The links 36, 37 rotate around the fixed shaft support portions 40 </ b> S, 40 </ b> M so as to rise in a direction along the front-rear direction from a state substantially parallel to the fixed link piece 23 and the movable link piece 29. Is translated to the front side away from the fixed link piece 23. And the receiving holding | maintenance part 16 moves in parallel from the waiting position WP to the receiving position SP which receives the pedestrian M.

  Conversely, as shown in FIGS. 3B and 3A, when the output shaft 48 of the motor 47 rotates counterclockwise, the connecting portion 51 that engages the rack 53 with the pinion 49 moves to the left. The movable shaft support portion 42S slides from the right end 27b side to the left end 27a side of the sliding groove 27, and the movable shaft support portion 42M slides from the right end 33b side to the left end 33a side of the sliding groove 33. The 35 links 36 and 37 rotate around the fixed shaft support portions 40S and 40M so as to fall down, that is, rotate along the fixed link piece 23 and the movable link piece 29. Parallel movement is made to the rear side approaching the fixed link piece 23. Then, the receiving holding unit 16 returns from the receiving position SP to the standby position WP.

  Further, in the case of the embodiment, the support walls 25 and 26 on the fixed link piece 23 side are walked in the receiving holding portion 16 disposed at the receiving position SP around the fixed shaft supporting portion 40S and the movable shaft supporting portion 42S. At the time of receiving the person M, the recessed groove 55 for pulling in which the support shafts 41 and 43 of the fixed shaft support portion 40S and the movable shaft support portion 42S can be retracted so that the receiving holding portion 16 can be translated rearward on the standby position WP side. , 56 are provided. The retracting recessed groove 55 is arranged so as to extend from the sliding groove 27 to the rear side. The pull-in concave groove 56 is arranged so as to extend from the shaft support hole 28 to the rear side. These retracting recesses 55 and 56 are set such that the opening width dimension in the left-right direction is substantially equal to the outer diameter dimension of the support shafts 41 and 43, and the support shafts 41 and 43 are moved rearward without being shifted left and right. Become.

  Restricting portions 58 and 59 for restricting the drawing of the fixed shaft support portion 40S and the movable shaft support portion 42S into the drawing recess grooves 55 and 56 are disposed around the respective drawing recess grooves 55 and 56. . These restricting portions 58 and 59 retract the fixed shaft supporting portion 40S and the movable shaft supporting portion 42S so as to enable the receiving holding portion 16 to return to the standby position WP side when the pedestrian M avoids receiving. The pull-in into the concave grooves 55, 56 is restricted, and when the pedestrian M is received, the pull-in into the concave grooves 55, 56 for pull-in of the fixed shaft support part 40S and the movable shaft support part 42S is deformed. It makes it possible.

  The restricting portion 58 is made of sheet metal cut and raised from the substrate portion 24 of the fixed link piece 23 in the vicinity of the shaft support hole 28, and the rear surface 41a of the support shaft 41 so as to restrict the backward movement of the support shaft 41 of the fixed shaft support portion 40S. Support the side. And since this control part 58 is pressing back of the movable link piece 29 at the time of reception of the pedestrian M of the receiving holding part 16, via the links 36 and 36, the support shaft 41 is pressed backward, At that time, it is plastically deformed so as to move backward. In the case of the embodiment, the restricting portion 58 is formed integrally with the energy absorbing material 63.

  The restricting portion 59 is made of sheet metal formed by cutting and raising from the substrate portion 24 of the fixed link piece 23 near the sliding groove 27 so as to restrict the backward movement of the connecting portion 51 to which the movable shaft support portion 42S is connected. The rear surface 51a side of the part 51 is supported. In the restricting portion 59, when the movable link piece 29 is pressed backward when the pedestrian M receives the receiving holding portion 16, the connecting portion 51 is pressed backward via the links 37 and 37 and the support shaft 43. Therefore, at that time, it is plastically deformed so as to move backward.

  In the recessed groove 56 for drawing in the fixed shaft support portion 40S, the guide shaft that can move the support shaft 41 of the fixed shaft support portion 40S drawn into the recessed groove 56 for drawing along the substrate portion 24 of the fixed link piece 23. The groove 61 is communicated. The guide groove 61 moves the support shaft 41 drawn into the drawing groove 56 so that the receiving holding portion 16 can be moved in parallel to the rear side on the standby position WP side. The tip portion 61b is formed from the base portion 61a to the right side.

  Furthermore, an energy absorbing material 63 that absorbs the kinetic energy of the pedestrian M is disposed around the guide groove 61. The energy absorbing member 63 is plastically deformed while applying resistance to the support shaft 41 of the fixed shaft support portion 40S that moves the guide groove 61 from the base portion 61a side to the tip end portion 61b side, The kinetic energy of the pedestrian M will be absorbed. In the case of the embodiment, as described above, the energy absorbing material 63 is formed by cutting and raising from the substrate portion 24 and surrounds the right side of the support shaft 41 on the side where the guide groove 61 is moved to support the energy absorbing material 63. The end portion 63b extending from the base portion 63a is bent so that the shaft 41 is locked. That is, the tip 63b is bent so as to reach the front surface 41c side from the rear surface 41a of the support shaft 41 through the right surface 41b (see FIG. 3).

  In the receiving device S of this embodiment, if the control device 11 predicts a collision with the vehicle V of the pedestrian M based on a signal from the collision prediction sensor 12, the control device 11 outputs an operation signal to the motor 47. To do. Then, as shown in FIGS. 3 and 6A and 6B, the output shaft 48 of the motor 47 rotates in the clockwise direction, and the connecting portion 51 that meshes the rack 53 with the pinion 49 moves to the right. . Therefore, the movable shaft support portion 42S slides from the left end 27a side to the right end 27b side of the sliding groove 27, and the movable shaft support portion 42M slides from the left end 33a side to the right end 33b side of the sliding groove 33, The links 36 and 37 of the link 35 rotate so as to rise in a direction along the front-rear direction from a state substantially parallel to the fixed link piece 23 and the movable link piece 29 with the fixed shaft support portions 40S and 40M as rotation centers. The link piece 29 is translated to the front side away from the fixed link piece 23. As a result, the receiving holding portion 16 integrated with the front grille 17 translates from the standby position WP to the receiving position SP for receiving the pedestrian M as shown by the two-dot chain line in FIG. 1 and B in FIG. To do.

  In the case of the embodiment, the position restriction at the receiving position SP when the receiving holding part 16 is extended is performed by the position restriction of the support shaft 43 on the right end 27 b side of the sliding groove 27.

  And if the receiving holding part 16 receives the pedestrian M by the receiving surface 16a, as shown to A of FIG. 7, the movable link piece 29 will be pressed back, and it will support via the links 36 and 37. Since the shafts 41 and 43 are pressed rearward, the restricting portions 58 and 59 are plastically deformed so as to move backward, and the support shaft 41 of the fixed shaft support portion 40S on the fixed link piece 23 side and the movable shaft support portion 42S. 43 are retracted into the recessed grooves 55, 56 for retraction, and the receiving holding part 16 moves slightly (dimension D1) backward. Further, if the receiving holding portion 16 receiving the pedestrian M moves rearward on the standby position WP side and the movable link piece 29 is pressed rearward, as shown in FIG. The support shaft 41 drawn into the concave groove 56 moves from the base portion 61a side to the distal end portion 61b of the guide concave groove 61 while receiving the resistance of the energy absorbing material 63. At this time, the energy absorbing material 63 is plastically deformed. On the other hand, the kinetic energy of the pedestrian M is absorbed, and the impact of the pedestrian M with the vehicle V (receiving holding portion 16) can be reduced.

  On the other hand, when the control device 11 avoids a collision (acceptance) of the pedestrian M without inputting a signal from the collision detection sensor 13 even after a predetermined time has elapsed after the reception holding unit 16 is extended. As shown in the order of B and A in FIG. 3 and FIG. 6, the motor 47 is operated so as to rotate the output shaft 48 counterclockwise. Then, the connecting portion 51 that meshes the rack 53 with the pinion 49 moves to the left, the movable shaft support portion 42S slides from the right end 27b side to the left end 27a side of the slide groove 27, and the movable shaft support portion. 42M slides from the right end 33b side of the sliding groove 33 to the left end 33a side. For this reason, the links 36 and 37 of the cross link 35 rotate around the fixed shaft support portions 40S and 40M so as to fall down, that is, rotate along the fixed link piece 23 and the movable link piece 29 to move the movable link. The piece 29 is moved in parallel to the rear side approaching the fixed link piece 23, and the receiving holding portion 16 is returned from the receiving position SP to the standby position WP, and collides with the next pedestrian M. Can be prepared. At this time, the restricting portions 58 and 59 are not deformed, and the cross link 35 is prevented in order to prevent the support shafts 41 and 43 of the fixed shaft support portion 40S and the movable shaft support portion 42S from being pulled into the recess grooves 55 and 56 for retraction. However, it can move in the direction in which it returns smoothly, and the receiving holding part 16 is translated to the standby position WP.

  In the receiving device S according to the embodiment, the movable link piece 29 in which the pair of cross links 35 of the parallel link mechanism 22 are arranged on both upper and lower edges is associated with the fixed link piece 23 to receive and hold. On the back side (rear side) of the portion 16, a wide width between the two cross links 35, 35 while being supported at four points on the tip ends 36 b, 37 b side of a total of four links 36, 37 of the pair of cross links 35. A long length that secures the dimension BL (see FIG. 4) and is between the shaft support portions of the two links 36 and 37 of each cross link 35 and 35 (distance between the fixed shaft support portion 40 and the movable shaft support portion 42). The length LL (see FIG. 4) can be secured and arranged in a wide plane. Therefore, even if the receiving surface 16a of the receiving and holding part 16 has a large area, the movable link piece 29 can be arranged with a wide area on the back side of the receiving and holding part 16 in the vertical and horizontal directions. The receiving and holding portion 16 can be stably supported and translated in cooperation with the pair of cross links 35 and the fixed link piece 23 on the holding base 20 side.

  Further, the energy absorbing material 63 that absorbs the kinetic energy of the pedestrian M as a moving body is provided around the support shaft 41 so as to provide resistance to the support shaft 41 of the fixed shaft support portion 40S that moves in the guide groove 61. Even if it is provided, the parallel link mechanism 22 can move the fixed shaft support portion 40S while stably moving the receiving holding portion 16 to the standby position WP side. Therefore, the fixed shaft support portion that moves the guide groove 61 is provided. Stable kinetic energy absorption characteristics can be ensured corresponding to the movement stroke of the support shaft 41 of 40S.

  Therefore, in the receiving device S of the embodiment, even if the receiving holding portion 16 that receives the pedestrian M as the moving body has the receiving surface 16a wide in the vertical and horizontal directions, the single driving mechanism 21 can stably The receiving holding part 16 can be supported and translated, and the kinetic energy of the pedestrian M can be absorbed while the receiving holding part 16 is translated in a stable manner.

  Further, in the receiving device S of the embodiment, the drive mechanism 21 is configured by the parallel link mechanism 22, and the movable link piece 29 is moved from the fixed link piece 23 when the receiving holding portion 16 is disposed at the standby position WP. The drive mechanism 21 can be accommodated with a volume of up to the thickness, and even if the area of the movable link piece 29 (substrate part 30) is large, it can be accommodated compactly.

  In the case of the embodiment, as shown in FIGS. 7A and 7B, the support shaft 41 from the base portion 61a to the tip portion 61b of the guide groove 61 can move in the movement stroke of the support shaft 41 during energy absorption. The length dimension L2 is defined by the length dimension L2. In the case of the embodiment, the length dimension L2 is such that the receiving surface 16a of the receiving holding portion 16 has a dimension D1 (recessed recess groove 55, When the receiving surface 16a is arranged at a position substantially flush with the front surface 5a of the front bumper 5 after moving backward by the dimension D2 after moving backward by an amount corresponding to the length dimension L1 of 56). (See FIG. 2), the movement of the support shaft 41 is stopped, and the further rearward movement of the front grille 17 is stopped. In other words, the moving distance D0 (see FIG. 2) for receiving the pedestrian M from the receiving position SP and moving backward is the dimension D1 + the dimension D2, and the moving distance corresponding to the dimension D2 is the length of the guide groove 61. The dimension L2 defines.

  In the case of the embodiment, the increase / decrease in the movement distance D0 of the receiving holding portion 16 toward the standby position WP when the pedestrian M receives is determined by the length dimension L1 of the recessed grooves 55 and 56 and the guide recessed grooves. The amount of kinetic energy absorbed by the pedestrian M can be adjusted by increasing / decreasing the length dimension L2 of 61, and the amount of absorption of kinetic energy of the pedestrian M can be adjusted by bending rigidity of the energy absorbing material 63 that is plastically deformed or by plastic deformation of the energy absorbing material 63. By adjusting the length L2 of the guide groove 61 that moves the support shaft 41 while moving the support shaft 41, it can be adjusted to be in direct proportion.

  Further, in the receiving device S of the embodiment, the guide groove 61 is disposed so as to communicate with the retracting groove 56 on the support shaft 41 side of the fixed shaft support portion 40S that is retracted. Therefore, the guide concave groove 61 is provided not on the support shaft 43 side of the movable shaft support portion 42S provided with the slide groove 27 but on the fixed shaft support portion 40S side where there is a margin in the arrangement space due to the absence of the slide groove 27. Therefore, the sliding groove 27 and the guide concave groove 61 can be easily provided while ensuring the strength.

  If this point is not taken into consideration, as shown in FIGS. 8 and 9, the guide groove 61A is provided so as to be continuous with the retracting groove 55 on the sliding groove 27 side, or as shown in FIGS. As described above, the guide grooves 61 and 61B are provided in both the drawing groove 56 on the shaft support hole 28 side and the drawing groove 55 on the sliding groove 27 side, and the support shaft 41, Energy absorbers 63A, 63, 63B that provide resistance to the support shafts 41, 42 may be disposed during movement in the 43 guide grooves 61A, 61B.

  The energy absorbing member 63A shown in FIGS. 8 and 9 is plastically deformed and absorbs the kinetic energy of the pedestrian M, and is made of a sheet metal support between the sliding groove 27 and the guide groove 61A. It consists of a part of walls 25 and 26, and is configured to be bent and plastically deformed to the sliding groove 27 side while giving resistance to the support shaft 41 when the support shaft 41 moves in the guide groove 61A. Yes.

  Further, the energy absorbing material 63B shown in FIGS. 10 and 11 is configured by providing irregularities on the inner peripheral surface of the guide groove 61B so as to give a strong frictional resistance to the support shaft 41. At the time of movement in the groove 61B, a sliding resistance accompanied by plastic deformation and elastic deformation of the convex portion of the energy absorbing material 63B is given to the support shaft 41, and the kinetic energy of the pedestrian M is absorbed.

  As described above, as an energy absorbing material, if the support shaft moving in the guide groove is given resistance and can absorb the kinetic energy of the moving body, it is plastically deformed to absorb energy, and friction (sliding) ) It may be composed of a resistor, a material that absorbs energy by combining plastic deformation and frictional resistance, or a material that can absorb energy by elastic deformation.

  Further, in the embodiment, the guide concave groove 61 and the energy absorbing material 63 can be used not only for the fixed link piece 23 side but also for the movable link piece 29 side or the fixed link piece as long as the movable link piece 29 can move in parallel during energy absorption. 23 and the movable link piece 29 may be provided.

  In the receiving device S of the embodiment, the actuator 46 includes a motor 47 having a pinion 49 on an output shaft 48 that can be rotated reversibly, and the connecting portion 51 has a rack 53 that meshes with the pinion 49. The pinion 49 can be reciprocated by the rotation of the pinion 49, and the receiving and holding portion 16 can be easily reciprocated by the normal rotation and reverse rotation of the motor 47.

  If the receiving holding part 16 can be reciprocated, the actuator 46 may be an electric motor as in the embodiment, a motor using hydraulic pressure, air pressure, or a cylinder type actuator using hydraulic pressure or air pressure. May be.

  Further, in the embodiment, the receiving device S that receives a pedestrian as a moving body has been described. However, the occupant's knee in the passenger seat, the upper body of the occupant including the driver, or the pedestrian that collided with the vehicle The present invention may be implemented in a receiving device that uses the hood panel or the like mounted on the mobile phone as mobile bodies and receives the mobile bodies with reduced kinetic energy.

16 ... receiving holding part,
20 ... holding base,
21 ... Drive mechanism,
22 ... Parallel link mechanism,
23. Fixed link piece,
27, 33 ... sliding groove,
29 ... movable link piece,
35 ... Crosslink,
36,37 ... link,
40 (40S, 40M) ... fixed shaft support,
41, 43 ... support shaft,
42 ... movable shaft support,
45 ... Driving source,
46 ... Actuator,
47 ... motor,
48 ... Output shaft,
49 ... pinion,
51 ... connecting part,
53 ... Rack,
55, 56 ... Recessed groove,
58, 59 ... regulation part,
61, 61A, 61B ... guide groove,
63, 63A, 63B ... energy absorbing material,
WP ... standby position,
SP: receiving position,
M ... (Moving object) Pedestrian,
S: Receiving device.

Claims (3)

Mounted on the vehicle, when operating, the receiving holding portion is extended from the standby position to a receiving position where the moving body can be received, and the receiving holding portion that has received the moving body moves toward the standby position side. Sometimes the kinetic energy of the moving body can be absorbed, and when the receiving of the moving body is avoided after the receiving holding section is extended to the receiving position, the receiving holding section is returned to the standby position. A moving body receiving device,
The drive mechanism for moving the receiving holding portion is configured to include a parallel link mechanism and a drive source,
The parallel link mechanism is
The holding base side that is disposed on the holding base on the standby position side of the receiving holding portion and the receiving holding portion and is disposed so as to face each other along the moving direction of the receiving holding portion. A fixed link piece and a movable link piece on the receiving holding part side,
A cross link is provided on both edge sides of the fixed link piece and the movable link piece to cross each other and to pivotally support each other at the crossing portion, and one end side of the link is arranged The fixed link piece or the movable link piece is pivotally supported on a fixed shaft supporting portion, and the other end of the link is slid into a sliding groove provided on the movable link piece or the fixed link piece. As a movable shaft support that is pivotally supported,
Configured,
The drive source is
A connecting portion that is integrally connected to the movable shaft supporting portion on one side of the fixed link;
A reversible actuator that is disposed on the holding base side so as to be reciprocally movable along the sliding groove;
Configured with
At the time of receiving the moving body at the receiving holding portion disposed at the receiving position on the fixed link piece side or the movable link piece side around the fixed shaft supporting portion and the movable shaft supporting portion, the receiving holding portion is A retracting recessed groove capable of retracting the fixed shaft support portion and the movable shaft support portion is disposed so as to be movable to the standby position side,
Around the recessed groove for retraction, in the recessed groove for retraction of the fixed shaft support portion and the movable shaft support portion, the return holding portion can be returned to the standby position side when avoiding the reception of the moving body. And a restricting portion that deforms and enables the drawing of the fixed shaft support portion and the movable shaft support portion into the pull-in concave groove when the moving body is received. Established,
The at least one pull-in groove on the fixed shaft support side or the movable shaft support side is pulled into the pull-in groove so that the receiving holding portion can be moved to the standby position side. A guide groove that can move the fixed shaft support or the movable shaft support along the fixed link piece is communicated,
An energy absorbing material capable of absorbing the kinetic energy of the moving body while resisting the fixed shaft support portion or the movable shaft support portion moving around the fixed shaft support portion or the movable shaft support portion moving in the guide groove. A moving body receiving apparatus characterized by being arranged.   2. The moving body receiving device according to claim 1, wherein the guide concave groove is disposed so as to communicate with the retracted concave groove on the side of the fixed shaft support portion that is retracted. The actuator is configured to include a motor provided with a pinion on an output shaft capable of reversible rotation,
3. The moving body receiving apparatus according to claim 1, wherein the connecting portion includes a rack that meshes with the pinion, and is configured to be reciprocally movable by rotation of the pinion. .

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