JP2007203968A - Movable floor device of automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a movable floor device of an automobile capable of adequately elevating/lowering a floor board to cover a top surface of a vehicle body floor at a foot of an occupant seated in an occupant seat with a simple configuration. <P>SOLUTION: In the movable floor device of the automobile, a floor board 5 to cover a top surface of a vehicle body floor 3 is installed in a vertically movable manner at a foot part of an occupant seated in an occupant seat 4. A front board 15 with its front end supported by the vehicle body floor 3, a rear board 17 connected to a rear end of the front board 15 in a folding manner via a connection member (a hinge member 16), and an elevating/lowering mechanism 6 for elevating/lowering the floor board so that the floor board 5 is folded on the ridge side in side view by elevating a connection part of the front and rear boards 15, 17. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a movable floor device for an automobile in which a floor board that covers the upper surface of a vehicle body floor is installed at the feet of an occupant seated on an occupant seat so as to be movable up and down.

Conventionally, for example, as shown in Patent Literature 1 and Patent Literature 2 below, a fixed floor portion extending in the longitudinal direction of the vehicle body and a region on the fixed floor portion and below a foot pedal such as a brake pedal are disposed. There has been proposed a movable floor device provided with the movable floor portion and a lift drive mechanism that drives the movable floor portion up and down with respect to the fixed floor portion.
Japanese Utility Model Publication No. 63-69655 Japanese Patent Laid-Open No. 2005-178581

  As disclosed in Patent Documents 1 and 2, the operability of the foot pedal can be improved by moving the movable floor portion up and down according to the physique of the occupant. However, since the position of the foot of the passenger placed on the movable floor portion changes in a wide range, it is necessary to sufficiently increase the installation area of the movable floor portion corresponding to this, and thus the movable floor portion If the installation area is increased, the weight of the movable floor portion increases, and there is a problem that a large driving force is required to drive the movable floor portion up and down.

  In addition, when the movable floor portion having a large installation area is driven up and down as described above, a large gap is formed between the front end portion or the rear end portion and the vehicle body floor when the movable floor portion is raised. As a result, there is a problem that the occupant feels uncomfortable and that foreign substances and the like easily enter the movable floor portion from the gap.

  SUMMARY OF THE INVENTION In view of the above circumstances, the present invention provides a movable floor device for an automobile capable of appropriately raising and lowering a floor board that covers the upper surface of a vehicle body floor at a foot portion of an occupant seated on an occupant seat with a simple configuration. It is intended to do.

  According to a first aspect of the present invention, there is provided a movable floor device for an automobile in which a floor board that covers the upper surface of a vehicle body floor is installed at a foot portion of an occupant seated on an occupant seat so as to be movable up and down. The front board whose part is supported by the vehicle body floor, the rear board connected to the rear end of the front board via a connecting member so as to be bent, and the connecting part of both the front and rear boards are raised. And a lift drive mechanism that drives the floor board up and down so that the floor board is bent to the mountain side in a side view.

  According to a second aspect of the present invention, in the movable floor device for an automobile according to the first aspect, the vehicle body floor includes a toe board portion inclined rearward and a floor extending to the rear side of the vehicle body continuously from the rear end portion. The floor board has a front board whose front end is pivotally attached to the toe board portion of the vehicle body floor, and the rear portion of the rear board slides in the longitudinal direction of the vehicle body along the floor bottom of the vehicle body floor. It is supported as possible.

  The invention according to claim 3 is the movable floor apparatus for an automobile according to claim 2, wherein the front board of the floor board is a toe board corresponding part corresponding to the toe board part of the vehicle body floor and a floor corresponding to the floor bottom part. It is formed in a reverse shape in a side view from the bottom corresponding part.

  According to a fourth aspect of the present invention, in the movable floor device for an automobile according to the second or third aspect, a cross member extending in the vehicle width direction is installed below the front portion of the passenger seat, and the rear side The rear end portion of the board is extended to a position close to the cross member.

  According to a fifth aspect of the present invention, in the movable floor device for an automobile according to the fourth aspect, between the floor tunnel installed at the center in the width direction of the vehicle body and the side sills installed at the left and right sides of the vehicle body. The width dimension of the rear board is set so that substantially the entire area is covered with the rear board of the floor board.

  According to a sixth aspect of the present invention, in the movable floor device for an automobile according to any one of the first to fifth aspects, an operation pedal comprising at least an accelerator pedal and a brake pedal operated by a driver, and the operation pedal The front portion of the front board extends below the operation pedal, and an avoidance portion for avoiding interference with the footrest is provided on the side portion of the front board.

  According to a seventh aspect of the present invention, in the movable floor device for an automobile according to any one of the first to sixth aspects, the vehicle body floor passes through a lower side of the floor board from a side portion of the floor tunnel. A rear heat duct extending to the rear side of the floor board is installed, and a notch for avoiding interference with the rear heat duct is formed in the side portion of the floor board.

  According to the first aspect of the present invention, the front board whose front end is supported by the vehicle body floor, and the rear side that is foldably connected to the rear end of the front board via the connecting member. The board is divided into boards, and the connecting part of both boards is moved up and down to adjust the installation height of the floor board. Therefore, the front end or rear end of the floor board is greatly swung and displaced. There is an advantage that the installation height of the floor board can be easily and appropriately adjusted without causing a situation in which the distance from the floor changes greatly.

  According to the second aspect of the present invention, the change in the longitudinal dimension of the floor board that occurs when the connecting portion between the front board and the rear board is raised and lowered is introduced into the front lower portion of the passenger seat. Since it can absorb in the rear part of a rear board, there exists an advantage that it can prevent giving a discomfort to a passenger | crew's foot | leg part resulting from the front-back dimension of a floor board changing.

  According to the third aspect of the present invention, when the floor board is lowered, the toe board corresponding part and the floor bottom corresponding part are placed along the toe board part and the floor bottom part of the vehicle body floor, so that It is possible to prevent the lowering position of the floor board from being restricted due to the formation of a large gap.

  According to the fourth aspect of the present invention, the rear portion of the rear board that moves back and forth in response to raising and lowering of the connecting portion between the front board and the rear board is disposed between the front lower surface of the seat cushion and the front of the cross member. Since it can be concealed by positioning it between the wall surface, there is an advantage that it is possible to effectively prevent the occupant from feeling uncomfortable by moving back and forth at a position where the rear portion of the rear board is conspicuous.

  According to the fifth aspect of the invention, since the width dimension of the rear board is set so that the substantially entire area between the floor tunnel and the side sill is covered, the mounting surface on which the occupant's feet are mounted There is an advantage that it can be secured sufficiently.

  According to the sixth aspect of the present invention, there is an advantage that the floorboard installation area can be sufficiently secured while preventing the front portion of the floorboard from interfering with the footrest.

  According to the seventh aspect of the present invention, the side portion of the floor board is prevented from interfering with the rear heat duct, and the rear heat duct is set to an appropriate value while sufficiently securing the width dimension of the floor board. There is an advantage that it can be installed.

  1 to 3 show an embodiment of a movable floor device for an automobile according to the present invention. This movable floor device includes a side sill 1 installed to extend in the front-rear direction on both left and right sides of the vehicle body, a floor tunnel 2 installed to extend in the front-rear direction at the center in the width direction of the vehicle body, and the floor. A vehicle body floor 3 installed between the tunnel 2 and the side sill 1 and a floor board 5 covering the upper surface of the vehicle body floor 3 located at the feet of the passenger seated on the passenger seat 4 such as a driver's seat are provided. Under the floor board 5, an elevating drive mechanism 6 for moving the floor board 5 up and down with respect to the vehicle body floor 3 is disposed.

  The vehicle body floor 3 includes a toe board portion 8 extending rearward from the lower end of the dash panel 7 and a substantially flat floor bottom 9 extending continuously from the rear end to the rear side of the vehicle body. have. A conventionally well-known floor trim material (not shown) provided with an insulator such as a felt material or glass wool having sound insulation and heat insulation functions on the upper surface of the vehicle body floor 3 and a surface layer material such as a carpet material covering the upper surface. ) Is installed. Above the toe board portion 8, a foot pedal including an accelerator pedal 11 and a brake pedal 12 operated by a driver is installed, and a footrest 13 is installed on a side portion thereof.

  As shown in FIGS. 4 and 5, the floor board 5 includes a front board 15 whose front end portion is pivotally supported by the toe board portion 8 of the vehicle body floor 3 by a hinge member 14 and a hinge member 16 at the rear end portion thereof. The rear board 17 is connected so as to be bent. The front board 15 has a toe board corresponding part 18 inclined to the front as well as the toe board part 8 of the vehicle body floor 3, and a floor bottom corresponding part 19 extending to the rear side of the vehicle body continuously from the rear end part, As a result, they are formed in a reverse shape when viewed from the side. A front portion of the front board 15, that is, a toe board corresponding portion 18, is installed so as to extend below a foot pedal composed of the accelerator pedal 11, the brake pedal 12, and the like, and the footrest 13 is disposed on a side portion thereof. An avoidance portion 20 is provided that is cut out so as to avoid interference.

  Further, the front board 15 is formed with a recessed portion 21 that is recessed downward except for the rear side portion, and an impact absorbing member made of an elastic body such as a urethane foam material or a synthetic rubber material is formed in the recessed portion 21. The shock absorbing member 22 is arranged so as to cover the upper surface of the floor board 5 across the toe board corresponding part 18 and the floor bottom corresponding part 19 of the front board 15 by being disposed and bonded. The impact absorbing member 22 is disposed in substantially the entire vehicle width direction of the floor board 5 by setting the width dimension thereof to be substantially the same as that of the floor board 5, and the thickness of the impact absorbing member 22. Is set to be substantially the same as the recessed amount of the recessed portion 21, the upper surface portion of the shock absorbing member 22 and the upper surface portion of the floor board 5 continuous to the recessed portion 21, specifically, the front board 15. The rear side portion is set at substantially the same height.

  On the top surface of the floor board 5, a single surface mat member 23 made of a pile material, a backing material, or the like is installed. The surface mat member 23 includes an upper surface portion of the shock absorbing member 22 disposed in the recessed portion 21, an upper surface portion of the floor board 5 continuous therewith, that is, a rear side portion of the toe board corresponding portion 18 and the rear portion. It is formed in a size that can continuously cover the side board 17. Cutouts 5 a for avoiding interference with a later-described rear heat duct 29 are formed in the side portions of the floor board 5 and the surface mat member 23.

  The width dimension of the rear board 17 of the floor board 5 is set so as to cover substantially the entire area between the side sill 1 and the floor tunnel 2 disposed at a position corresponding to the floor bottom 9 of the vehicle body floor 3. Has been. In addition, the occupant seat 4 including a driver's seat and the like is installed behind the installation portion of the floor board 5, and a cross member 24 for connecting the floor tunnel 2 and the side sill 1 is arranged below the front end portion thereof. It is installed. A pair of left and right guide rails 25 that slidably support the rear end portion of the rear board 17 are installed on the front side of the cross member 24.

  As shown in FIGS. 5 and 6, the guide rail 25 is made of a U-shaped cross section mounted on the vehicle body floor 3 via a bracket 26, and projects from the lower surface of the rear end portion of the rear board 17. The constructed grommet 27 is configured to hold a slider 28 that is detachably locked. The slider 28 is slid along the guide rail 25 in accordance with the upward / downward displacement of the floor board 5 to be described later, so that the rear end of the rear board 17 is moved back and forth while being supported by the guide rail 25. It is like that.

  Further, as shown in FIGS. 1 and 7, the vehicle body floor 3 is provided with a rear heat duct 29 extending from the side of the floor tunnel 2 to the rear side of the vehicle body through the lower side of the rear board 17. Has been. The rear heat duct 29 allows heating air derived from a heater unit (not shown) disposed inside the instrument panel to flow from the upper surface portion of the floor tunnel 2 along the side surface portion to the rear board 17. After being guided to the lower side of the vehicle, it is installed to guide to the rear side of the vehicle body. Further, the vehicle body floor 3 is formed with a recessed groove portion 30 that extends below the cross member 24 and extends to the rear side of the vehicle body, and the recessed groove portion 30 and the rear heat duct 29 form a conduction path for heating air. Has been.

  As shown in FIGS. 5 and 7, the lift drive mechanism 6 for the floor board 5 includes a pair of left and right drive links 31 pivoted on the lower surface of the rear end of the front board 15, and both front and rear ends of the vehicle body. A pair of left and right screw shafts 32 rotatably supported on the upper surface of the floor 3 through bearing members, a drive cable 33 for rotationally driving the screw shaft 32, and the vehicle body floor 3 are screwed onto the screw shaft 32 and The slide block 34 is slidably supported along the upper surface of the slide block 34, and the base end portion of the drive link 31 is pivotally supported on the side surface of the slide block 34.

  The drive cable 33 is a flexible cylindrical body in which a cable material capable of transmitting a rotational force is rotatably held, and the rotational force input from the seat position adjusting mechanism 38 is applied as described later. The screw shaft 32 is configured to be transmitted. When the screw shaft 32 is driven to rotate in accordance with the rotational force, the slide block 34 is screwed along the screw shaft 32 to the front side of the vehicle body, so that the rear end portion of the drive link 31 is While being pushed forward, the front end portion of the drive link 31 is pushed up correspondingly. As a result, the drive link 31 shifts from the lying state to the standing state, and the rear side portion of the front board 15 is pushed upward via the drive link 31, so that the front board is supported with the hinge member 14 as a fulcrum. 15 is oscillated and displaced from the lowered position shown in FIG. 1 to the raised position shown in FIG.

  On the other hand, since the rear side board 17 of the floor board 5 is connected to the rear end part of the front side board 15 by the hinge member 16, the rear side board 17 corresponds to the upward movement of the front side board 15. The front side portion of 17 is pushed upward, and the rear end portion is supported by the vehicle body floor 3 by the guide rail 25 and is moved to the front side of the vehicle body. As a result, the connecting portion between the front board 15 and the rear board 17 rises and the floor board 5 shifts to a state of being bent to the mountain side in a side view.

  Further, when the screw shaft 32 is reversely driven by the drive cable 33, when the slide block 34 moves to the rear side of the vehicle body along the screw shaft 32, the drive link 31 shifts from the standing state to the lying state. The rear side portion of the front board 15 is moved from the raised position shown in FIG. 5 to the lowered position shown in FIG. 1, and the rear board 17 is moved to the lowered position along the vehicle body floor 3.

  The occupant seat 4 is a separate type seat separately installed on the driver seat side and the passenger seat side in the front part of the passenger compartment. The seat cushion 35 that constitutes the seating surface of the occupant, and the seat cushion 35 A seat back 36 that rises upward from the rear end portion and a headrest 37 attached to the upper end portion of the seat back 36, and a seat position adjusting mechanism 38 provided on the vehicle body floor 3, The vertical position and the installation angle with respect to the vehicle body floor 3 are supported in an adjustable manner.

  As shown in FIGS. 8 and 9, the seat position adjusting mechanism 38 includes a pair of left and right guide rails 39 installed on the vehicle body floor 3 in an upwardly inclined state, and a seat cushion 35 along the guide rails 39. Slide drive means 40 that slides in the front-rear direction of the vehicle body, and tilt means 41 that moves the rear end of the seat cushion 35 up and down in conjunction with the forward and backward movement of the seat cushion 35.

  The seat cushion 35 has a cushion frame 42 disposed so as to cover the main body (cushion material) from below, and below the cushion frame 42 is a U-shaped member having an open upper surface. The guide rail 39 is provided. Inside the guide rail 39, a slider 44 having a projecting piece 45 protruding on the upper surface is slidably disposed, and an upper end portion of the projecting piece 45 is connected to a lower portion of the cushion frame 42 via a connecting pin 46. It is pivotally supported. The slider 44 is formed with a screw hole into which the screw shaft 47 of the slide driving means 40 is screwed.

  The screw shaft 47 of the slide drive means 40 is disposed in the guide rail 39, and both front and rear end portions are rotatably supported by bearing members, and the rear end portion is driven via a power transmission cable (not shown). It is connected to the motor. A driving force is transmitted from the drive motor to the screw shaft 47 via a power transmission cable, and the screw shaft 47 is driven to rotate so that the slider 44 is screwed along the guide rail 39. It is configured. A driving cable 48 that transmits a driving force to the lifting drive mechanism 6 of the floor board 5 is connected to the front end portion of the screw shaft 47 via a coupling 49.

  The tilt means 41 of the seat position adjusting mechanism 38 includes a support plate 50 protruding below the rear portion of the cushion frame 42, a guide plate 51 fixed to the side surface of the guide rail 25 and vertically installed, The guide plate 51 has a guide pin 52 projecting from the support plate 50, and the guide plate 51 is formed with a guide groove 53 having an upwardly inclined portion, and the guide pin 52 slides along the guide groove 53. It is supported freely. Then, the slider 44 is screwed by the screw shaft 47 of the slide drive means 40 and the front portion of the seat cushion 35 moves back and forth along the guide rail 25 in the guide groove 53 of the guide plate 51. As the guide pin 52 slides along, the rear portion of the seat cushion 35 is driven up and down.

  For example, when the seat cushion 35 is slid and displaced from the rear position shown in FIGS. 1 and 8 to the front position shown in FIG. 10 by the slide driving means 40, the front portion of the seat cushion 35 extends along the guide rail 39. The guide pin 52 slides to the front side of the vehicle body along the guide groove 53 of the guide plate 51, and the rear end portion of the seat cushion 35 is pushed up to raise the seat cushion 35. Swings and displaces. As a result, according to the forward movement of the seat cushion 35, the inclination angle with respect to the horizontal plane is gradually reduced, and the seat cushion 35 is placed in a nearly horizontal installation state. It will be displaced closer.

  When a short occupant A is seated on the occupant seat 4, the occupant seat 4 is moved to the front side of the vehicle body by operating an operation switch (not shown) to activate the drive motor of the slide drive means 40. When the slide displacement is performed, the front portion of the seat cushion 35 rises along the guide rail 25 and the rear portion of the seat cushion 35 is pushed up as shown in FIG. The hip point representing the movement of the occupant A matches the height of the occupant A so that the line of sight of the occupant A coincides with the appropriate line L. Further, the rear end portion of the seat cushion 35 is pushed up according to the forward movement of the occupant seat 4 so that the installation angle becomes almost horizontal, so that the foot length is shortened according to the height. Since the tall person A is seated in a state where the knee is largely bent and the lower part of the knee is suspended at a predetermined angle, it is possible to prevent the feet from being separated from the floor surface.

  On the other hand, when the tall occupant B is seated on the occupant seat 4, if the occupant seat 4 is slid to the rear side of the vehicle body by the slide drive means 40, as shown in FIG. The front portion of the seat cushion 35 is lowered along the guide rail 25 and the rear portion of the seat cushion 35 is pushed down. Therefore, the hip point representing the seating center of the occupant B with respect to the seat cushion 35 corresponds to the height of the occupant B. Then, the line of sight of the occupant B coincides with the appropriate line L by moving downward in the rear part. Further, when the seat cushion 35 is in a forwardly inclined state in accordance with the rearward movement of the occupant seat 4, the tall person B whose leg length increases according to the height decreases the knee bending angle. Then, since the lower part of the knee is extended forward, a stable seating posture can be obtained.

  The driving cable 48 for transmitting the driving force of the slide driving means 40 to the lifting / lowering driving mechanism 6 of the floor board 5 is made of a cable material rotatably supported by a flexible outer cylinder, and its distal end portion 11 is introduced into the first transmission box 61 as shown in FIG. In the first transmission box 61, as shown in FIG. 12, a worm gear 62 that is connected to the tip end portion of the drive cable 48 and rotates integrally therewith, and a worm wheel 63 that is rotationally driven by the worm gear 62 are provided. The worm wheel 63 is formed with an engagement hole into which a spline shaft 65 projecting from the lower second transmission box 64 is inserted and engaged. The rotational force of the drive cable 48 is transmitted to the worm wheel 63 via the worm gear 62, whereby the worm wheel 63 is rotationally driven and the rotational force is transmitted to the second transmission via the spline shaft 65. It is transmitted to the box 64.

  In the second transmission box 64, a first bevel gear 66 that rotates integrally with the spline shaft 65, and a second bevel gear 67 that is rotationally driven by the first bevel gear 66 are disposed. The second bevel gear 67 is fixed so that the drive cable 33 of the elevating drive mechanism 6 rotates integrally, so that the rotational force of the second bevel gear 67 is applied to the drive cable 33 of the elevating drive mechanism 6. It is configured to be transmitted. Note that a reduction mechanism comprising the worm gear 62 and the worm wheel 63 is disposed between the drive cable 48 of the slide drive means 40 and the drive cable 33 of the elevating drive mechanism 6 so that the slide drive means. When the rotational drive force is transmitted from the 40 drive cables 48 to the drive cable 33 of the lift drive mechanism 6, the rotational speed is reduced to about 1/10.

  The second transmission box 64 is disposed on the front side of the cross member 24 disposed on the front side of the occupant seat 4 and is fixed to the vehicle body floor 3 with mounting bolts. In a state where the one transmission box 61 is overlaid, these are integrally connected by a connecting bolt. When the first transmission box 61 is overlaid on the second transmission box 64, the spline shaft 65 is inserted into the engagement hole of the worm wheel 63 disposed in the first transmission box 61. These are connected together.

  When the slider 44 is screwed by the slide driving means 40 and the seat cushion 35 is moved back and forth along the guide rail 25, the driving force is applied to the driving cable 48 and the first and second transmission boxes 61 and 64. , The drive cable 33 and the screw shaft 32 are driven to rotate, and the slide block 34 is screwed in the longitudinal direction of the vehicle body. 31 is configured to shift from the lying state to the standing state, or from the standing state to the lying state, and the rear side portion of the front board 15 is driven up and down.

  For example, when the short stature person A sits on the occupant seat 4, when the occupant seat 4 is moved to the front side of the vehicle body, the drive link 31 shifts from the lying state to the standing state in conjunction with this, The rear side portion of the front board 15 of the floor board 5 is displaced to the raised position shown in FIGS. On the other hand, when the tall person B is seated on the occupant seat 4, when the occupant seat 4 is moved to the rear side of the vehicle body, the drive link 31 shifts from the standing state to the lying state in conjunction with this, The rear side of the front board 15 of the floor board 5 is displaced to the lowered position shown in FIG. Thus, the installation height of the floor board 5 on which the occupant's buttocks are placed is adjusted to a position suitable for the length of the legs of the occupants A and B.

  In the movable floor apparatus of the automobile in which the floor board 5 that covers the upper surface of the vehicle body floor 3 is movably installed at the feet of the occupant seated on the occupant seat 4 as described above, the floor board 5 has a front end portion. A front board 15 supported on the vehicle body floor, and a rear board 17 connected to the rear end of the front board 15 so as to be able to bend through a connecting member made of a hinge member 16 to the rear end are provided. Because the lifting drive mechanism 6 that lifts and lowers the floor board 5 is configured to raise the connecting portion between the front board 15 and the rear board 17 so that the floor board 5 is bent to the mountain side in a side view. The installation height or the like of the floor board 5 can be easily and appropriately displaced according to the occupant's physique.

  That is, the floor board 5 is connected to the front board 15 whose front end portion is supported by the vehicle body floor and the rear end portion of the front board 15 so as to be bent via a connecting member including a hinge member 16. Since it is configured to adjust the installation height of the floor board 5 by dividing the board 17 and moving the connecting portions of the boards 15 and 17 up and down, a single board floor board having a large area is obtained. The front or rear end of the floorboard is configured to adjust the installation height by moving the floorboard as a whole by driving the other end up and down with the one end as a fulcrum. The installation height of the floor board 5 can be appropriately adjusted without causing a situation in which the distance between the vehicle body floor 3 and the vehicle body floor 3 changes greatly due to a large displacement. In addition, there is an advantage that the floor board 5 can be easily lifted and lowered with a small driving force as compared with the case where the single floor board is driven up and down to adjust the installation height.

  Further, in the above embodiment, in the vehicle in which the vehicle body floor 3 is provided with the toe board portion 8 inclined rearwardly and the floor bottom portion 9 extending continuously from the rear end portion to the rear side of the vehicle body, Since the front end portion of the front board 15 is pivotally attached to the toe board portion 8 of the vehicle body floor 3 and the rear portion of the rear board 17 is slidably supported along the floor bottom portion 9 of the vehicle body floor 3 in the longitudinal direction of the vehicle body. Changes in the longitudinal dimension of the floor board 5 that occur when the connecting portion between the front board 15 and the rear board 17 is raised and lowered are introduced into the lower front part of the occupant seat 4, that is, the lower part of the occupant's knees. Since it can absorb in the rear part of the board 17, there exists an advantage that it can prevent giving an uncomfortable feeling to a passenger | crew's step part resulting from the front-back dimension of the floor board 5 changing.

  Further, as shown in the above-described embodiment, the front board 15 of the floor board 5 is more laterally arranged with a toe board corresponding part 18 corresponding to the toe board part 8 of the vehicle body floor 3 and a floor bottom corresponding part 19 corresponding to the floor bottom part 9. In the case of forming a reverse shape in view, when the floor board 5 is lowered, by placing the toe board corresponding part 18 and the floor bottom corresponding part 19 along the toe board part 8 and the floor bottom part 9 of the vehicle body floor 3, It is possible to prevent the lowering position of the floor board 5 from being restricted due to the formation of a large gap between the floor board 5 and the vehicle body floor 3.

  In addition, as shown in FIG. 10, when the connecting portion between the front board 15 and the rear board 17 is raised and the floor board 5 is bent to the mountain side in a side view, the floor bottom of the front board 15 is supported. There is an advantage that the operability with respect to the foot pedal such as the brake pedal 12 can be improved by setting the portion 19 in the forwardly lowered state. That is, in the above-described embodiment, when the short stature person A bends the knee largely and sits on the occupant seat 4 with the lower part of the knee hanging down at a predetermined angle, the rear side of the front board 15 of the floor board 5 5 and FIG. 10, the floor bottom corresponding portion 19 of the front board 15 is configured to be in the front-lowering state, so that the short person A moves the brake pedal 12 and the like forward. When operating by pushing, the collar can be smoothly moved to the front side of the vehicle body along the floor bottom corresponding portion 19.

  Further, as shown in the above embodiment, in a vehicle in which the cross member 24 extending in the vehicle width direction is installed below the front portion of the occupant seat 4, the rear end portion of the rear board 17 is connected to the cross member 24. When extended to a close position, the rear part of the rear board 17 that moves back and forth in accordance with raising and lowering of the connecting part of the front board 15 and the rear board 17 is moved to the front part of the seat cushion 35. It can be concealed by being positioned between the lower surface and the front wall surface of the cross member 24. Therefore, there is an advantage that it is possible to effectively prevent the passenger from feeling uncomfortable by moving back and forth at a position where the rear portion of the rear board 17 is conspicuous.

  Furthermore, in the above embodiment, the floor board 5 is divided into the front board 15 and the rear board 17, and the front end of the front board 15 is pivotally attached to the toe board part 8 of the vehicle body floor 3. In a vehicle configured to be slidably supported in the front-rear direction of the vehicle body along the floor bottom portion 9 of the vehicle body floor 3, the floor installed at the center in the width direction of the vehicle body by the rear board 17 of the floor board 5. Since the width dimension of the rear board 17 is set so as to cover substantially the entire area between the tunnel 2 and the side sills 1 installed on the left and right sides of the vehicle body, the floor board 5 is moved up and down. There is an advantage that it is possible to sufficiently secure a placement surface on which the occupant's feet are placed while preventing an increase in driving force.

  Further, as shown in the above embodiment, in a vehicle including an operation pedal including at least an accelerator pedal 11 and a brake pedal 12 operated by a driver, and a footrest 13 provided along with the operation pedal, the front board 15 When the avoiding part 20 for avoiding the footrest 13 is provided at the front part of the front board 15 and the front part (toe board corresponding part 18) of the front board 15 is extended downward, the front part of the floor board 5 is provided. Can prevent the interference with the footrest 13 while ensuring a sufficient installation area of the floor board 5.

  In the above embodiment, the rear heat duct 29 extending from the side portion of the floor tunnel 2 to the rear side of the vehicle body from the side portion of the floor tunnel 2 is installed on the vehicle body floor 3 and on the side portion of the floor board 5. Since the notch for avoiding interference with the rear heat duct 29 is formed, the side portion of the floor board 5 is prevented from interfering with the rear heat duct 29, and the width dimension of the floor board 5 is sufficiently increased. There is an advantage that the rear heat duct 29 can be installed at an appropriate value while ensuring.

  Moreover, in the said embodiment, since the impact-absorbing member 22 which consists of elastic bodies, such as a foaming urethane material or a synthetic rubber material, was arrange | positioned on the upper surface of the said floor board 5 by which installation height is adjusted according to a passenger | crew's physique etc. When a vehicle collision accident occurs in a state where the occupant seated on the occupant seat 4 has the buttocks or the like placed on the floor board 5 on the shock absorbing member 22, the occupant is disengaged from the floor board 5. The impact load acting on the buttocks and the like can be absorbed by the impact absorbing member 22, thereby advantageously protecting the occupant's lower limbs. In particular, as shown in the above-described embodiment, when the shock absorbing member 22 is provided in substantially the entire vehicle width direction of the floor board 5, the installation width of the shock absorbing member 22 having the shock load absorbing function is provided. Can be secured sufficiently to effectively protect the lower limbs of the occupant.

  Furthermore, in the above embodiment, the recessed portion 21 recessed downward is formed in the front portion of the floor board 5, specifically, the front board 15, and the impact absorbing member 22 is disposed in the recessed portion 21. Even when the shock absorbing member 22 having a predetermined thickness is provided only in the front portion of the floor board 5, it is possible to prevent a large step from being formed on the upper end surface of the floor board 5, and to form the upper end surface flat. There is an advantage that you can. In addition, when a load that pushes the shock absorbing member 22 backward is input in the event of a vehicle collision, the rear end of the shock absorbing member 22 is brought into contact with the step formed at the rear end of the recessed portion 21. By doing so, it is possible to prevent the rearward movement of the shock absorbing member 22 and stabilize the mounting state.

  As shown in the above embodiment, the upper surface portion of the impact absorbing member 22 disposed in the recessed portion 21 and the upper surface portion of the floor board 5 continuous to the recessed portion 21, specifically, the rear side of the front board 15 When the head and the rear board 17 are set at substantially the same height, a feeling of strangeness occurs when the foot placed on the floor board 5 is moved while ensuring the thickness of the shock absorbing member 22 sufficiently. And the operability when operating the accelerator pedal 11 and the like can be improved effectively.

  Moreover, in the said embodiment, the upper surface part of the impact-absorbing member 22 arrange | positioned in the recessed part 21 and the upper surface part of the floor board 5 continued to the recessed part 21 (the rear side part of the front board 15 and the rear board 17). ) Is continuously provided, and the upper end surface of the floor board 5 is effectively flattened to cause a sense of incongruity when the feet placed thereon are moved. There is an advantage that can be further suppressed.

  The floor board 5 is replaced with an embodiment configured to drive the floor board 5 up and down by transmitting a rotational driving force from the drive cable 48 of the slide driving means 40 to the drive cable 33 of the up and down driving mechanism 6. It is also possible to have a structure provided with a dedicated drive source for driving up and down. However, as shown in the above embodiment, when the front / rear position and the vertical position of the seat cushion 35 are adjusted by a single drive source (drive motor) and the floor board 5 is driven to move up and down, it is simple. With such a configuration, there is an advantage that the position of the passenger seat 4 and the installation height of the floor board 5 can be adjusted simultaneously.

It is explanatory drawing which shows embodiment of the movable floor apparatus of the motor vehicle which concerns on this invention. It is a top view which shows the structure of the principal part of a movable floor apparatus. It is a perspective view which shows the structure of the principal part of a movable floor apparatus. It is a disassembled perspective view which shows the specific structure of a floor board. It is explanatory drawing which shows the structure of the principal part of a movable floor apparatus. It is front sectional drawing which shows the support structure of the rear side part of a floor board. It is front sectional drawing which shows the structure of the installation part of a rear heat duct. It is side surface sectional drawing which shows the structure of a sheet position adjustment mechanism. It is front sectional drawing which shows the structure of a sheet | seat position adjustment mechanism. It is a side view which shows the state which moved the passenger | crew seat forward. It is a perspective view which shows the specific structure of a power transmission mechanism. It is sectional drawing which shows the specific structure of a power transmission mechanism.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Side sill 2 Floor tunnel 3 Vehicle body floor 4 Crew seat 5 Floor board 5a Notch 6 Lifting drive mechanism 8 Toe board part 9 Floor bottom part 11 Accel pedal 12 Brake pedal 13 Footrest 18 Toe board corresponding part 19 Floor bottom corresponding part 20 Avoidance part 24 Cross Member 29 Rear heat duct

Claims (7)

  A movable floor device of an automobile in which a floor board that covers the upper surface of the vehicle body floor is installed at the feet of the passenger seated on the passenger seat so as to be movable up and down, and the front end is supported by the vehicle body floor on the floor board. The front board, the rear board connected to the rear end of the front board via a connecting member so as to be bent, and the connecting part of both the front and rear boards are raised to bend the floor board to the mountain side in a side view. A movable floor device for an automobile, comprising: a lift drive mechanism that lifts and lowers the floor board so as to be in a state.   The vehicle body floor has a toe board portion inclined downward and a floor bottom portion extending to the rear side of the vehicle body continuously from the rear end portion, and the front end portion of the front board is the toe board of the vehicle body floor. 2. The movable floor apparatus for an automobile according to claim 1, wherein the rear floor board is supported by the rear portion so as to be slidable in the front-rear direction of the vehicle body along the floor bottom of the vehicle body floor.   The front board of the floor board is formed in a reverse shape in a side view from a toe board corresponding part corresponding to a toe board part of a vehicle body floor and a floor bottom corresponding part corresponding to the floor bottom part. Item 3. A movable floor device for an automobile according to Item 2.   The cross member extending in the vehicle width direction is installed below the front portion of the passenger seat, and the rear end portion of the rear board extends to a position close to the cross member. The movable floor apparatus of the motor vehicle of Claim 2 or Claim 3.   The rear board is arranged so that substantially the entire area between the floor tunnel installed at the center in the width direction of the vehicle body and the side sills installed on the left and right sides of the vehicle body is covered by the rear board of the floor board. 5. The movable floor apparatus for an automobile according to claim 4, wherein a width dimension is set.   An operation pedal including at least an accelerator pedal and a brake pedal operated by a driver, and a footrest attached to the operation pedal, the front portion of the front board extending below the operation pedal, and the front board The movable floor device for an automobile according to any one of claims 1 to 5, wherein an avoidance portion for avoiding interference with the footrest is provided on a side portion of the vehicle.   On the vehicle body floor, a rear heat duct extending from the side of the floor tunnel to the rear side of the vehicle through the lower side of the floor board is installed, and on the side of the floor board, the rear heat duct is connected to The movable floor device for an automobile according to any one of claims 1 to 6, wherein a notch for avoiding interference is formed.

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