JP2006248447A - Seated attitude adjustment device for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively preventing deflection/displacement of a transmission cable according to forward/backward movement of an occupant seat from being suppressed by a simple constitution. <P>SOLUTION: In the seating attitude adjustment device for the automobile provided with a seat position adjustment means 6 for adjusting front and rear positions of the occupant seat 4, a drive motor 32 of the seat position adjustment means 6 is arranged at a vehicle body side and the transmission cable 19 for transmitting rotation force of the drive motor 32 to an operation part (rolling gear 13) provided on the occupant seat 4 is extended in the longitudinal direction of the vehicle body along a vertical wall standing from a floor panel 1 of a cabin. A covering member for covering an installation part of the transmission cable with a larger clearance than the diameter of the transmission cable 19 between the vertical wall and it is arranged in the cabin. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a seating posture adjusting device for an automobile provided with a seat position adjusting means for adjusting the front and rear position of a passenger seat.

Conventionally, as shown in Patent Document 1 below, physique detection means for detecting a predetermined item related to the driving operation among the physique dimensions of the driver, and optimal driving preset according to the physique pattern of the driver Storage means for storing the operation system position; and control means for driving and controlling the drive unit of the driving operation system based on the position data of the driving operation system stored in the storage means and the detection result of the physique detection means; The front / rear position of the occupant's seat and the vertical position of the floor / floor plate portion are adjusted in accordance with the driver's physique and the like by a driving operation system adjusting device including
Japanese Utility Model Publication No. 63-69655

  In order to adjust the front / rear position of the occupant seat as disclosed in Patent Document 1, a slide rail that slidably supports the occupant seat along the front-rear direction of the vehicle body, along the slide rail, etc. Therefore, it is necessary to provide a seat position adjusting means for driving the seat cushion of the passenger seat to move in the front-rear direction of the vehicle body. A driving motor or the like that constitutes the seat position adjusting means is disposed on the vehicle body side, and the rotational force is transmitted to the operating portion of the occupant seat via a transmission cable including a torque cable. When the passenger seat is configured to automatically move back and forth, the amount of bending of the transmission cable installed between the drive motor and the occupant seat operating portion changes according to the back and forth movement of the passenger seat. Will do.

  For this reason, when the transmission cable in which the amount of deflection changes according to the back-and-forth movement of the occupant seat as described above is disposed in the vehicle interior, there is a problem that the appearance is deteriorated. In addition, when the transmission cable is installed on the floor panel, even if the transmission cable is stepped on by an occupant, the installation site of the transmission cable is reinforced so that the bending displacement is not hindered. It is necessary to provide a reinforcing member or the like to ensure the strength, and there are problems such as an increase in the number of parts and an increase in the weight of the vehicle body.

  In addition, in order to drive the movable floor (floor floor plate portion) in conjunction with the back-and-forth movement of the occupant seat, the driving force of the seat position adjusting means provided on the occupant seat is transmitted to the movable floor by a transmission cable. However, in this case as well, there is a similar problem because the amount of bending of the transmission cable changes according to the back-and-forth movement of the occupant seat.

  The present invention has been made in view of the above-described problems, and provides an automobile seating posture adjustment device capable of easily and appropriately adjusting the seating posture of an occupant according to the forward / backward movement of the occupant seat. It is an object.

  According to a first aspect of the present invention, there is provided a seating posture adjusting device for an automobile provided with a seat position adjusting means for adjusting a front and rear position of an occupant seat, wherein a drive motor for the seat position adjusting means is disposed on a vehicle body side. The transmission cable for transmitting the rotational force of the drive motor to the operating portion provided in the passenger seat extends in the longitudinal direction of the vehicle body along the vertical wall standing up from the floor panel of the passenger compartment. A covering member covering the installation portion of the transmission cable with a gap larger than the diameter of the transmission cable in between is disposed in the vehicle interior.

  According to a second aspect of the present invention, there is provided a seating posture adjusting device for an automobile provided with a seat position adjusting means for adjusting a front and rear position of an occupant seat, wherein the occupant is interlocked with a seat position adjusting operation by the seat position adjusting means. A seating posture adjusting unit for adjusting the seating posture of the vehicle is disposed in a vehicle body side portion that is spaced apart from the seat portion adjusting unit, and driving force is transmitted between the seat position adjusting unit and the seating posture adjusting unit. The transmission cable is extended in the longitudinal direction of the vehicle body along the vertical wall standing upright from the floor panel of the passenger compartment, and the transmission cable installation part has a gap larger than the diameter of the transmission cable between the vertical wall and the vertical wall. The covering member to cover is arrange | positioned in the vehicle interior.

  According to a third aspect of the present invention, in the seating posture adjusting device for an automobile according to the second aspect, the drive motor of the seat position adjusting means is disposed on the vehicle body side, and the rotational force of the drive motor is adjusted to the seat position adjusting means. A transmission cable for transmitting to the actuating portion is disposed in a gap formed between the vertical wall and the covering member.

  The invention according to claim 4 is the vehicle seating posture adjustment device according to claim 2 or 3, wherein the seating posture adjustment unit drives the movable floor provided in front of the occupant seat and the movable floor. And a drive unit for adjusting the installation position.

  According to a fifth aspect of the present invention, in the vehicle seating posture adjusting device according to any one of the first to fourth aspects, the seat position adjusting means is a front / rear position adjusting mechanism that adjusts the front / rear position of the passenger seat. And a vertical position adjusting mechanism that adjusts the vertical position of the occupant seat in conjunction with the longitudinal position adjusting mechanism.

  The invention according to claim 6 is the vehicle seating posture adjusting device according to any one of claims 1 to 5, wherein the transmission cable is bent upward or downward of the vehicle body in the state where the vertical wall is curved. It is arranged along.

  The invention according to claim 7 is the vehicle seating posture adjustment device according to any one of claims 1 to 6, wherein the vertical wall extends in the longitudinal direction of the vehicle body along the left and right side portions of the floor panel. It is a side wall of the extending side sill, and the covering member is a side sill cover that covers the side sill from above.

  The invention according to claim 8 is the vehicle seating posture adjustment apparatus according to any one of claims 1 to 6, wherein the vertical wall extends in the front-rear direction of the vehicle body along the center portion of the floor panel. And the covering member is a center console that covers the tunnel portion from above.

  The invention according to claim 9 is the vehicle seating posture adjustment device according to any one of claims 1, 3, and 4, wherein the vertical wall extends in the longitudinal direction of the vehicle body along the center of the floor panel. The covering member is a center console that covers the tunnel portion from above, and a drive motor for the seat position adjusting means is disposed below the console box provided in the center console. It is a thing.

  The invention according to claim 10 is the seating posture adjusting device for an automobile according to any one of claims 1 to 9, wherein the cross member extending in the vehicle width direction is disposed below the occupant seat, The cross member is formed with a guide portion for guiding the transmission cable toward a gap formed between the vertical wall and the covering member.

  According to an eleventh aspect of the present invention, in the seating posture adjusting apparatus for an automobile according to the tenth aspect, the cross member is provided with a guide portion having a bead portion extending substantially in the front-rear direction of the vehicle body. It is.

  The invention according to claim 12 is the vehicle seating posture adjusting device according to any one of claims 1 to 11, wherein the transmission cable having one end connected to the seat position adjusting means is restricted from moving back and forth. The regulating portion to be provided is provided on the other end portion side of the transmission cable in the gap portion.

  According to the first aspect of the present invention, the transmission cable for transmitting the rotational force of the drive motor disposed on the vehicle body side to the operating portion provided on the occupant seat is provided along the vertical wall rising from the floor panel. Since the covering member that covers the installation portion of the transmission cable with a gap larger than the diameter of the transmission cable is provided between the vertical wall and the vertical wall, the sheet position adjusting means can adjust the seat position. Accordingly, the transmission cable is flexibly displaced within the gap, so that a change in the installation length of the transmission cable corresponding to the longitudinal movement of the passenger seat can be absorbed. Therefore, when the transmission cable whose bending amount changes according to the movement of the occupant seat back and forth is arranged in an exposed state in the vehicle interior, the appearance deteriorates or the occupant steps on the transmission cable. By transmitting the rotational force of the drive motor arranged on the vehicle body side to the operating part on the passenger seat side and moving the passenger seat back and forth without causing adverse effects such as obstructing the deflection displacement, The seating posture of the occupant can be adjusted easily and appropriately.

  According to the second aspect of the present invention, the transmission cable for transmitting the rotational force to the seating posture adjusting portion provided on the vehicle body side according to the seat position adjusting operation by the seat position adjusting means is provided on the vertical wall of the vehicle body. And a change in the installation length of the transmission cable corresponding to the back-and-forth movement of the occupant seat can be absorbed by bending and displacing within a gap formed between the cover member and the covering member covering the installation portion of the transmission cable. it can. Therefore, the appearance of the transmission cable, which changes in the amount of flexure according to the movement of the occupant seat back and forth, is exposed in the vehicle interior, or the transmission cable is stepped on by the occupant. The rotational force of the seat position adjusting means disposed on the occupant seat side is transmitted to the seating posture adjusting unit to change the seating posture of the occupant without causing adverse effects such as obstructing the deflection displacement There is an advantage that you can.

  According to the third aspect of the present invention, the transmission cable for transmitting the rotational force of the drive motor disposed on the vehicle body side to the operating portion of the seat position adjusting means is provided between the vertical wall and the covering member standing from the floor panel. A transmission cable for transmitting the rotational force of the drive motor to the operating portion of the sheet position adjusting means in accordance with the sheet position adjusting operation by the sheet position adjusting means, and the sheet position adjusting means. The transmission cable transmitting the rotational force to the seating posture adjustment section is both deflected and displaced within the gap to absorb changes in the installation length of the transmission cables corresponding to the movement of the occupant seat back and forth. There is an advantage that you can.

  According to the invention which concerns on Claim 4, according to the adjustment operation of the seat position by a seat position adjustment means, the transmission cable which transmits the rotational force to the seating attitude | position adjustment part which consists of a movable floor provided ahead of the passenger | crew seat is provided. The installation length of the transmission cable corresponding to the longitudinal movement of the occupant's seat is changed by flexing and displacing in the gap formed between the vertical wall of the vehicle body and the covering member covering the installation portion of the transmission cable. Change can be absorbed.

  According to the invention of claim 5, the front / rear position adjusting mechanism for adjusting the front / rear position of the occupant seat and the vertical position adjusting mechanism for adjusting the vertical position of the occupant seat in conjunction with the front / rear position adjusting mechanism are described above. Since the seat position adjusting means is provided, it is possible to easily and appropriately adjust the seating posture of the occupant seated on the occupant seat, and the transmission cable is connected to the vertical wall and the covering member according to the adjustment operation of the seating posture. By bending and displacing in the gap formed between the two, there is an advantage that a change in the installation length of the transmission cable corresponding to the adjustment operation of the seating posture can be absorbed.

  According to the invention of claim 6, since the transmission cable is arranged along the vertical wall rising from the floor panel in a state of being curved upward or downward of the vehicle body, the seat position by the seat position adjusting means is adjusted. There is an advantage that a change in the installation length of the transmission cable corresponding to the forward / backward movement of the occupant seat can be easily absorbed only by changing the degree of curvature of the transmission cable in the gap according to the adjustment operation.

  According to the invention of claim 7, the transmission cable is extended in the front-rear direction of the vehicle body along the vertical wall formed of the side sill side wall extending in the front-rear direction of the vehicle body along the left and right sides of the floor panel. Since the transmission cable is disposed in the gap formed between the side sill side wall and the side sill cover that covers the side sill from above, the transmission cable is flexed and displaced in the gap, thereby occupant seat. There is an advantage that it is possible to absorb the change in the installation length of the transmission cable corresponding to the back-and-forth movement.

  According to the invention according to claim 8, the transmission cable extends in the longitudinal direction of the vehicle body along the vertical wall formed of the side wall of the tunnel portion extending in the longitudinal direction of the vehicle body along the center portion of the floor panel, and Since the transmission cable is disposed in the gap formed between the side wall of the tunnel portion and the center console that covers the tunnel portion from above, the transmission cable is bent and displaced in the gap, thereby There is an advantage that a change in the installation length of the transmission cable corresponding to the back-and-forth movement of the seat can be absorbed.

  According to the ninth aspect of the present invention, the transmission cable extends in the longitudinal direction of the vehicle body along the vertical wall formed of the side wall of the tunnel portion, and is formed between the center console that covers the tunnel portion from above. Since the transmission cable is disposed in the gap and the drive motor for the seat position adjusting means is disposed below the console box provided in the center console, the space formed below the console box is effectively used. By arranging the drive motor and the transmission cable for use in the present invention, there is an advantage that it is possible to prevent deterioration in appearance due to the drive motor and the like being exposed in the vehicle interior.

  According to the tenth aspect of the present invention, the cross member extending in the vehicle width direction is disposed below the occupant seat, and the cross member has a gap formed between the vertical wall and the covering member. Since the guide portion that guides the transmission cable is provided, the transmission cable can be smoothly guided toward the gap without increasing the number of parts. Therefore, when the occupant seat moves back and forth, there is an advantage that it is possible to effectively reduce the load acting on the transmission cable by preventing an excessive bending from occurring in a part of the transmission cable.

  According to the eleventh aspect of the present invention, since the cross member is provided with the guide portion having the bead portion extending substantially in the front-rear direction of the vehicle body, the rigidity of the cross member in the front-rear direction of the vehicle body is effectively improved. There are advantages such as being able to be made.

  According to the twelfth aspect of the present invention, the restricting portion for restricting the transmission cable having one end portion connected to the seat position adjusting means from moving back and forth is provided on the other end portion side of the transmission cable in the gap. By keeping the bending deformation of the transmission cable corresponding to the back-and-forth movement of the occupant seat in the gap, it is possible to improve the appearance while preventing excessive bending from occurring on the other end side. There is an advantage.

  FIG. 1 and FIG. 2 show a schematic configuration of a vehicle compartment forming section provided with an automobile seating posture adjusting device according to an embodiment of the present invention. On the floor panel 1 constituting the floor surface of the passenger compartment forming portion, a passenger seat 4 including a driver's seat and a passenger seat provided with a seat cushion 2 and a seat back 3, and the passenger seat 4 are mounted on the vehicle body. A pair of left and right slide rails 5 that are movably supported in the front-rear direction, and a seat position adjusting means 6 that adjusts the front-rear position of the occupant seat 4 by slidably displacing the seat cushion 2 along the slide rails 5. A seating posture adjustment unit 8 is provided that adjusts the seating posture of the passenger by driving the movable floor 7 on which the feet of the passenger seated on the passenger seat 4 are placed.

  The slide rail 5 is made of C-shaped steel or the like that slidably supports slide plates 9 installed below both sides of the seat cushion 2, and a pair of front and rear cross members 10, 11 installed on the floor panel 1. For example, it is attached to the upper surface via an attachment bracket in an inclined state with an elevation angle of about 15 °. Further, as shown in FIG. 3, a rack gear 12 extending in the front-rear direction of the vehicle body is fixed to the side wall surface of the slide rail 5, and a rolling gear 13 serving as an operating portion of the seat position adjusting means 6 is provided with the rack gear. 12 is arranged so as to mesh with the teeth.

  At the front portion of the slide plate 9, a support shaft 15 that passes through the pivotal support portion of the front bracket 14 fixed to the frame material (not shown) of the seat cushion 2 connects the left and right slide plates 9 to each other. Is installed. A rotating shaft 16 that rotates integrally with the rolling gear 13 is pivotally supported at the center of the side wall surface of the slide plate 9 and an intermediate gear 17 that meshes with the rolling gear 13 is rotatably supported. The base end portion of the drive lever 18 that moves the rear end portion of the seat cushion 2 up and down is pivotally supported on the inner surface side of the rear portion (the inner surface side of the slide plate 9).

  The rotary shaft 16 is connected to a distal end portion of a first transmission cable 19 that transmits the rotational force of a drive motor, which will be described later, and the intermediate gear 17 transmits the rotational drive force to the movable floor 7. One end of the second transmission cable 20 for transmission is connected. A drive gear 22 that drives the drive lever 18 to swing and displace by rotating integrally with the intermediate gear 17 is installed on the inner side of the slide plate 9. The drive gear 22 is formed with a diameter smaller than that of the intermediate gear 17, so that the number of teeth is set smaller than that of the intermediate gear 17, and the sector gear formed at the base end portion of the drive lever 18. It is comprised so that it may mesh with 18a.

The front end of the drive lever 18 is connected to the rear bracket 24 of the seat cushion 2 via a link plate 23. The link plate 23, the drive lever 18, the drive gear 22, and the intermediate gear 17 adjust the vertical position of the seat cushion 2 in conjunction with the adjustment operation of the front / rear position of the occupant seat 4 by the front / rear position adjustment mechanism described later. A vertical position adjusting mechanism 25 is configured. That is, the drive gear 22 is driven to rotate in accordance with the rotational force transmitted from the first transmission cable 19 to the intermediate gear 17 via the rolling gear 13, and the drive lever 18 is driven by the drive gear 22. Accordingly, the rear end portion of the seat cushion 2 is driven up and down with the support shaft 15 pivotally supported by the front bracket 14 as a fulcrum.

  The first and second transmission cables 19 and 20 are each composed of a flexible outer cylinder body and a shaft center body, and the shaft center body rotates while being supported by the outer cylinder body to a predetermined operating portion. It is comprised so that a rotational force may be transmitted. The first and second transmission cables 19 and 20 protrude from the connecting portion with respect to the rotating shaft 16 and the intermediate gear 17 toward the center of the vehicle body, and via a bent portion provided at the inner end thereof. As shown in FIGS. 4 and 5, the lead-out portion is led to the front side of the vehicle body, and is slidably supported by a guide portion 26 provided on the cross member 10.

  The guide portion 26 includes a recess 26a formed on the upper wall of the cross member 10 located below the slide rail 7, and a closing plate 26b that is installed so as to cover the upper surface of the recess 26a and is bolted. It is configured. The concave portion 26a is composed of a bead portion extending substantially in the front-rear direction, and guides the first and second transmission cables 19 and 20 toward the vertical wall side including the side wall 27a of the tunnel portion 27. And an inclined portion inclined so as to face obliquely forward. Further, the first and second transmission cables 19 and 20 guided toward the vertical wall side by the guide portion 26 extend along the vertical wall in the front-rear direction of the vehicle body, and the front portion thereof is engaged. The front and rear movements of the first and second transmission cables 19 and 20 are restricted by being locked to the side wall 27a of the tunnel portion 27 via the stopper 28.

  As shown in FIG. 6, a center console 29 is installed at the center of the floor panel 1 so as to cover the tunnel portion 27 from above, and a lower portion of the center console 29 and a side wall 27a of the tunnel portion 27 are provided. A floor mat 30 is introduced in between. The first and second transmission cables 19 and 20 are disposed in the gap 31 formed between the vertical wall and the center console 29, so that the introduction position with respect to the gap 31 and the locking tool 28 are provided. The first and second transmission cables 19 and 20 are installed in a state where the first and second transmission cables 19 and 20 are bent upward or downward of the vehicle body and can be flexibly displaced. That is, the size of the gap 31 formed between the upper wall and the side wall of the center console 29, the side wall 27a of the tunnel portion 27, and the upper end portion of the floor mat 30 is the first and second transmission cables 19, By setting the value larger than the diameter of 20, the vertical movement of the first and second transmission cables 19 and 20 in the gap 31 is allowed as shown by the phantom line in FIG. Yes.

  The first transmission cable 19 is extended rearward along the upper wall of the tunnel portion 27 by being folded back from the locking position by the locking tool 28 to the rear side of the vehicle body, and the rear end portion thereof is shown in FIG. As shown, the output shaft of the drive motor 32 disposed in the lower space of the console box 29a provided in the center console 29 is coupled via a coupling 32a. The drive motor 32, the first transmission cable 19, the rolling gear 13, and the rack gear 12 constitute a front / rear position adjustment mechanism 33 that moves the seat cushion 2 of the passenger seat 4 back and forth along the slide rail 5. Specifically, the rotational force of the drive motor 32 is transmitted to the rolling gear 13 via the first transmission cable 19, and the rolling gear 13 is rotationally driven to roll on the rack gear 12. A slide plate 9 attached to the lower surface of the seat cushion 2 moves back and forth along the slide rail 5 so that the front and rear position of the occupant seat 4 is adjusted.

  The front / rear position for moving the occupant seat 4 back and forth by rotating the rolling gear 13 in accordance with the rotational force transmitted from the drive motor 32 to the rolling gear 13 via the first transmission cable 19 as described above. The adjustment mechanism 33 and the vertical position adjustment mechanism 25 that swings and displaces the drive lever 18 so as to adjust the vertical position of the occupant seat 4 in conjunction with the front / rear position adjustment mechanism 33 according to the physique of the occupant. Thus, a seat position adjusting means 6 for adjusting the installation position of the passenger seat 4 is configured.

  On the other hand, as shown in FIG. 8, the second transmission cable 20 extends further from the locking position by the locking tool 28 to the front side of the vehicle body, and its front end constitutes the seating posture adjustment unit 8. The worm gear 35 is connected to the floor panel 1 and is locked to the floor panel 1 by a locking member 34 that restricts the worm gear 35 from moving back and forth at the side of the movable floor 7. The rotational force input from the rotary shaft 16 to one end of the second transmission cable 20 is transmitted to the other end of the second transmission cable 20 so that the worm gear 35 is driven to rotate. It is configured.

  As shown in FIGS. 1, 2 and 8, the movable floor 7 includes a first panel 7a supported so as to be swingable with a support shaft 37 provided at a lower portion of the dash panel 36 as a fulcrum. And a second panel 7b hinged to the rear end of the first panel 7a. A rotating shaft 39 rotatably supported by a bearing 38 is disposed below the first panel 7a. The rotating shaft 39 has a worm wheel that is rotationally driven by the worm gear 35 at one end thereof. 40 is attached, and a pair of left and right drive units 41 that drive the first panel 7a of the movable floor 7 up and down are provided.

  The drive unit 41 has a pair of left and right swing arms 42 fixed to the rotary shaft 39 and a drive roller 43 disposed between the distal ends of both swing arms 42. The first panel 7a is configured to swing and displace by pushing the center of the lower surface of the one panel 7a upward. That is, the movable floor 7 is constituted by the movable floor 7, the rotary shaft 39 provided with the drive unit 41, the worm wheel 40 fixed to the side end thereof, and the worm gear 35 meshing with the worm wheel 40. A seating posture adjusting unit 8 is configured to drive 7 and adjust the seating posture of the occupant. Further, the seating posture adjustment unit 8 is located on the vehicle side away from the installation part of the seat position adjustment means 6 having the front / rear position adjustment mechanism 33 and the vertical position adjustment mechanism 25, that is, from the installation part of the passenger seat 4. It is disposed in the vicinity of the lower portion of the dash panel 36 located on the front side by a predetermined distance.

  In the above configuration, when the drive motor 32 of the front / rear position adjustment mechanism 33 is operated by operating a seat position adjustment switch (not shown), the rotational force is applied to the rolling gear 13 via the first transmission cable 19. When the rolling gear 13 is driven to rotate and rolls on the rack gear 12, the seat cushion 2 of the occupant seat 4 is moved to a front position indicated by a solid line and a rear position indicated by an imaginary line in FIG. Move back and forth.

  When the rolling gear 13 is rotationally driven in a direction to move the occupant seat 4 to the front side of the vehicle body as indicated by an arrow a in FIG. 3, the rotational direction of the rolling gear 13 is opposite to the rotational direction a. The intermediate gear 17 and the drive gear 22 of the vertical position adjusting mechanism 25 are rotationally driven in the direction b, and the sector gear 18a is rotationally driven by the drive gear 22 as indicated by an arrow c, whereby the tip of the drive lever 19 is moved. The seat cushion 2 is brought into a state close to a horizontal state by swinging and displacing in the rising direction d. On the other hand, when the occupant seat 4 is moved to the rear side of the vehicle body, the rolling gear 13, the intermediate gear 17 and the drive gear 22 are driven to rotate by rotating in the opposite direction to the forward movement, respectively. The front end of the lever 19 is swung and displaced in the downward direction, so that the seat cushion 2 is inclined downward.

  Further, according to the seat position adjusting operation by the seat position adjusting means 6, the rotational force of the intermediate gear 17 is transmitted to the seating posture adjusting unit 8 via the second transmission cable 20, so that the occupant's feet The first panel 7 a of the movable floor 7 to be placed is driven up and down via the drive unit 41. Then, when the seat cushion 2 of the occupant seat 4 is moved to the front position, a solid line in FIG. 9 is provided so that the occupant seated in the occupant seat 4 in a substantially upright state can properly place his / her foot. As shown, the rear end of the first panel 7a rises to a substantially horizontal state. On the other hand, when the seat cushion 2 of the occupant seat 4 is moved to the rear position, the imaginary portion of FIG. As shown by the line, the rear end portion of the first panel 7a is lowered to be in a state of being inclined downward.

  Further, as the seat position adjusting means 6 adjusts the front / rear position of the occupant seat 4, the connecting end portions of the first and second transmission cables 19, 20 to the rolling gear 13 and the intermediate gear 17 are changed. The front and rear portions of the first and second transmission cables 19 and 20 are interlocked with the occupant seat 4 and the front portions of the first and second transmission cables 19 and 20 are locked to the side wall 27a of the tunnel portion 27 by the locking tools 28. While the movement is restricted, the first and second transmission cables 19 and 20 slide and displace in the guide portion 26. As a result, the total length of the first and second transmission cables 19 and 20 in the gap 31 between the vertical wall formed of the side wall of the tunnel portion 27 and the center console 29 changes, so that the introduction position with respect to the gap 31 The amount of bending of the first and second transmission cables 19 and 20 installed in a state of being bent upward or downward of the vehicle body between the locking position by the locking device 28, that is, the upper side of the vehicle body or The amount of bending downward will change.

  For example, when the occupant seat 4 moves to the front side of the vehicle body, the total length of the first and second transmission cables 19 and 20 in the gap 31 increases correspondingly, and the amount of deflection increases. Further, when the occupant seat 4 moves to the rear side of the vehicle body, the total lengths of the first and second transmission cables 19 and 20 in the gap 31 are correspondingly shortened and the amount of flexure is reduced. Thereby, a change in the installation length of the first and second transmission cables 19 and 20 corresponding to the forward and backward movement of the occupant seat 4 is absorbed, and the first and second transmission cables 19 and 20 outside the gap 31 are absorbed. Occurrence of a situation in which the bending of 20 changes is prevented.

  In the vehicle seating posture adjusting device having the seat position adjusting means 6 for adjusting the front and rear position of the occupant seat 4 as described above, the drive motor 32 of the seat position adjusting means 6 is disposed on the vehicle body side. The first transmission cable 19 for transmitting the rotational force of the drive motor 32 to the operating portion comprising the rolling gear 13 provided on the occupant seat 4 is provided with a vertical wall (a side wall of the tunnel portion 27) that stands up from the floor panel 1 of the passenger compartment. 27a) is a covering member that extends in the front-rear direction of the vehicle body and covers the installation portion of the first transmission cable 9 with a gap 31 larger than the diameter of the first transmission cable 19 between the vertical wall, that is, the center Since the console 29 is disposed in the passenger compartment, there is an advantage that the seating posture of the occupant can be easily and appropriately adjusted according to the back-and-forth movement of the occupant seat 4.

  That is, when the drive motor 32 of the seat position adjusting means 6 is disposed on the vehicle body side, the installation position of the drive motor 32 and the operating portion comprising the rolling gear 13 provided on the occupant seat 4 side. The installation distance of the first transmission cable 19 for transmitting the rotational force of the drive motor 32 to the rolling gear 13 corresponding to the change in the distance from the installation position according to the back-and-forth movement of the occupant seat 4. Is inevitable to change. However, as described above, the first transmission cable 19 that transmits the rotational force of the drive motor to the rolling gear 13 extends in the longitudinal direction of the vehicle body along the vertical wall formed of the side wall of the tunnel portion 27, and the vertical When a gap 31 larger than the diameter of the first transmission cable 19 is formed between the wall and the center console 29, the first transmission cable 19 is connected to the first transmission cable 19 according to the sheet position adjustment operation by the sheet position adjusting means 6. The length of installation of the first transmission cable 19 corresponding to the back-and-forth movement of the occupant seat 4 while preventing the first transmission cable 19 from being deflected and displaced by being deflected and displaced in the gap 31. It can absorb the change of height.

  Therefore, the appearance of the first transmission cable 19 may be deteriorated, as in the case where the first transmission cable 19 whose amount of deflection changes according to the back-and-forth movement of the occupant seat 4 is exposed in the vehicle interior. As in the case of installing 19 on the floor panel 1, the drive motor disposed on the vehicle body side does not cause any adverse effects such as the first transmission cable 19 being stepped on by an occupant and hindering its flexural displacement. The rotational force of 32 is transmitted to the rolling gear 13 on the occupant seat 4 side to move the occupant seat 4 back and forth, thereby easily and properly adjusting the seating posture of the occupant according to the forward and backward movement of the occupant seat be able to.

  Further, in the vehicle seating posture adjusting device including the seat position adjusting means 6 for adjusting the front and rear position of the occupant seat 4 as described above, the movable floor is interlocked with the seat position adjusting operation by the seat position adjusting means 6. A seating posture adjustment unit 8 that adjusts the seating posture of the occupant by driving the vehicle 7 is disposed at a position on the vehicle body that is separated from the installation portion of the seat position adjustment unit 6, and the seat position adjustment unit 6 and the seating posture are arranged. A second transmission cable 20 for transmitting driving force to and from the adjusting portion 8 is extended in the longitudinal direction of the vehicle body along the vertical wall formed of the side wall 27a of the tunnel portion 27 standing from the floor panel 1 of the passenger compartment, A covering member comprising a center console 29 covering the installation portion of the second transmission cable 20 with a gap 31 larger than the diameter of the second transmission cable 20 between the vertical wall and the vertical wall. When arranged in the room, the second transmission cable 20 is deflected and displaced in the gap 31 in accordance with the sheet position adjusting operation by the sheet position adjusting means 6, so that the second transmission cable is outside the gap 31. The change in the installation length of the second transmission cable 20 corresponding to the back-and-forth movement of the occupant seat 4 can be absorbed while preventing the flexural displacement of the occupant seat 4.

  Therefore, the appearance in the vehicle interior deteriorates as in the case where the second transmission cable 20 in which the amount of deflection changes according to the back-and-forth movement of the occupant seat 4 is exposed in the vehicle interior. The worm gear on the movable floor 7 side uses the rotational force of the intermediate gear 17 disposed on the occupant seat 4 side without causing any adverse effects such as the second transmission cable 20 being stepped on by the occupant and hindering its flexural displacement. There is an advantage that the seating posture of the occupant can be adjusted easily and appropriately by transmitting to 35 and moving the movable floor 7 up and down.

  In the case of providing a seating posture adjusting unit comprising a movable floor 7 that adjusts the seating posture of the occupant in conjunction with the seat position adjusting operation by the seat position adjusting unit 6, the drive motor 32 of the seat position adjusting unit 6 is used for the occupant. It is also possible to adopt a structure arranged on the sheet 4 side. However, as shown in the above-described embodiment, the drive motor 32 of the seat position adjusting means 6 is disposed on the vehicle body side, and the rotational force of the drive motor 32 is applied to the operating portion (rolling gear 13) of the seat position adjusting means 6. When the first transmission cable 19 that transmits to the sheet is disposed in the gap 31 formed between the vertical wall and the covering member, the first position is adjusted according to the sheet position adjusting operation by the sheet position adjusting means 6. By changing both the first and second transmission cables 19 and 20 in the gap 31, the displacement of the installation lengths of the first and second transmission cables 19 and 20 corresponding to the back and forth movement of the occupant seat 4 can be changed. Each has the advantage that it can be absorbed.

  The seating provided with a movable floor 7 provided near the lower part of the dash panel 36 on the front side of the occupant seat 4 and a drive unit 41 that drives the movable floor 7 and adjusts its installation position. Instead of or in addition to the posture adjusting unit 8, a seating posture adjusting unit including an accelerator pedal and a brake pedal operated by a passenger seated in the driver's seat, or a steering handle, and a driving unit for adjusting the position thereof is provided. It is good also as a structure.

  In the above embodiment, the front / rear position adjustment mechanism 33 that adjusts the front / rear position of the occupant seat 4, and the vertical position adjustment mechanism 25 that adjusts the vertical position of the occupant seat 4 in conjunction with the front / rear position adjustment mechanism 33. Since the seat position adjusting means 6 is provided, the seating posture of the occupant can be easily adjusted by simultaneously adjusting both the front and rear position and the vertical position of the occupant seat 4 according to the physique of the occupant seated on the occupant seat 4. In addition to being able to be adjusted appropriately, the first and second transmission cables 19 and 20 are flexibly displaced in the gap 31 in accordance with the adjustment operation of the sitting posture, thereby corresponding to the adjustment operation of the sitting posture. A change in the installation length of the first and second transmission cables 19 and 20 can be absorbed.

  In particular, in the above embodiment, since the first and second transmission cables 19 and 20 are arranged along the vertical wall in a state of being curved upward or downward of the vehicle body, the seat position by the seat position adjusting means 6 is determined. The first and second transmission cables 19 and 20 in the gap 31 are displaced in accordance with the adjustment operation by displacing the degree of bending of the first and second transmission cables 19 and 20 upward or downward. There is an advantage that the change in the installation length of the second transmission cables 19 and 20 can be easily absorbed.

  In the above-described embodiment, the first and second transmission cables 19 and 20 are connected to the front and rear of the vehicle body along the vertical wall formed by the side wall 27a of the tunnel portion 27 extending in the longitudinal direction of the vehicle body along the center portion of the floor panel 1. The first and second transmission cables 19 and 20 are placed in a gap 31 formed between the side wall 27a of the tunnel portion 27 and the center console 29 that covers the tunnel portion 27 from above. Although the arrangement example has been described, the present invention is not limited to this, and various modifications are possible. For example, as shown in FIG. 10, the first transmission cable along the vertical wall formed by the side wall of the side sill 44 (inner side wall of the side sill inner panel) 44 a extending in the front-rear direction of the vehicle body along the left and right sides of the floor panel 1. 19 extends in the front-rear direction of the vehicle body, and the first and second transmission cables 19 are in a gap 46 formed between a side wall 44a of the side sill 44 and a side sill cover 45 that covers the side sill 44 from above. , 20 are disposed and the first and second transmission cables 19, 20 are flexibly displaced in the gap 46, so that the first and second transmission cables 19, 20 corresponding to the longitudinal movement of the occupant seat 4 are provided. You may comprise so that the change of installation length of may be absorbed. In FIG. 10, 47 is a skin material of the floor mat, and 48 is a pad material of the floor mat.

  Further, as shown in the above-described embodiment, the first and second transmission cables 19 and 20 are connected to the vehicle body along the vertical wall formed by the side wall of the tunnel portion 27 extending in the front-rear direction of the vehicle body along the center portion of the floor panel 1. The first and second transmission cables 19 and 20 are disposed in a gap 31 formed between the center console 29 that extends in the front-rear direction and covers the tunnel portion 27 from above, and the center console 29 When the drive motor 32 for the seat position adjusting means 6 is disposed on the lower side of the console box 29a provided on the console box 29a, the drive motor 32 is effectively used by utilizing the space formed below the console box 29a. By disposing the first and second transmission cables 19 and 20, it is possible to prevent deterioration in appearance due to the drive motor 32 and the like being exposed in the vehicle interior. There are advantages such as can be.

  Further, as shown in the above embodiment, the cross member 10 extending in the vehicle width direction is disposed on the lower side of the occupant seat 4, and the cross member 10 is provided with a vertical wall formed of the side wall 27 a of the tunnel portion 27. When the guide portion 26 that guides the first transmission cable 19 is provided toward the gap 31 formed between the covering member including the center console 29, the first and second portions are not increased without increasing the number of components. The transmission cables 19 and 20 can be smoothly guided toward the gap 31. Therefore, when the occupant seat 4 moves back and forth, the first and second transmission cables 19 and 20 are prevented from being excessively bent and act on the first and second transmission cables 19 and 20. The load can be effectively reduced. In addition, as described above, the guide member 26 is provided with the concave portion 26a constituting the bead portion extending substantially in the front-rear direction of the vehicle body, and the cross member 10 is provided with the closing plate 26b for closing the concave portion 26a. In this case, the rigidity of the cross member 10 in the front-rear direction of the vehicle body can be effectively improved.

  As shown in FIG. 10, the first and second transmission cables 19 and 20 extend in the front-rear direction of the vehicle body along the vertical wall formed of the side wall 44a of the side sill 44, and the side wall 44a of the side sill 44 When the first and second transmission cables 19 and 20 are disposed in a gap 46 formed between the side sill 44 and the side sill cover 45 that covers the side sill 44 from above, a vertical wall made of the side wall 44a of the side sill 44 is provided. By providing the cross member 10 with a guide portion that guides the first transmission cable 19 toward the gap 46 formed between the wall and the covering member made of the side sill cover 45, the number of parts is increased. The first transmission cable 19 and the second transmission cable 20 can be smoothly guided toward the gap 31 without being caused.

  In the above-described embodiment, the restricting portion including the locking member 28 that restricts the first and second transmission cables 19 and 20 whose one end (rear end) is connected to the seat position adjusting unit 6 from moving back and forth. Is provided on the other end portion (front end portion) side of the first and second transmission cables 19 and 20 in the installation portion of the gaps 31 and 46, so that the first and second portions corresponding to the back and forth movement of the occupant seat 4 are provided. By retaining the bending deformation of the transmission cables 19 and 20 in the gaps 31 and 46, there is an advantage that it is possible to improve the appearance of the passenger compartment while preventing an excessive bending from occurring on the other end side. is there.

It is a side view which shows embodiment of the seating attitude | position adjustment apparatus which concerns on this invention. It is a top view which shows embodiment of the seating attitude | position adjustment apparatus which concerns on this invention. It is a perspective view which shows the specific structure of an up-down position adjustment mechanism. It is a top view which shows the arrangement | positioning state of a transmission cable. It is front sectional drawing which shows the specific structure of the guide part of a transmission cable. It is front sectional drawing which shows the arrangement | positioning state of a transmission cable. It is side surface sectional drawing which shows the arrangement | positioning position of a drive motor. It is side surface sectional drawing which shows the specific structure of a movable floor. It is explanatory drawing which shows a seat position and the adjustment state of a movable floor. It is a top view which shows the other example of the arrangement | positioning state of a transmission cable.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Floor panel 2 Seat cushion 4 Crew seat 6 Seat position adjustment means 7 Movable floor 8 Seating posture adjustment part 10 Cross member 19 First transmission cable 20 Second transmission cable 25 Vertical position adjustment mechanism 26 Guide part 27 Tunnel part 27a Tunnel part Side wall (vertical wall)
28 Locking tool (Regulator)
29 Center console (coating material)
29a Console box 31 Gap 32 Drive motor 33 Front / rear position adjustment mechanism 41 Drive unit of movable floor 44 Side sill 44a Side sill side wall (vertical wall)
45 Side sill cover (coating material)
46 gap

Claims (12)

  A seating posture adjusting device for an automobile provided with a seat position adjusting means for adjusting a front and rear position of an occupant seat, wherein a drive motor of the seat position adjusting means is disposed on a vehicle body side, and a rotational force of the drive motor is A transmission cable that transmits to the operating part provided in the passenger seat is extended in the longitudinal direction of the vehicle body along the vertical wall that stands up from the floor panel of the passenger compartment. A seating posture adjusting device for an automobile, wherein a covering member covering the installation portion of the transmission cable with a large gap is disposed in the vehicle interior.   A seating posture adjustment device for an automobile provided with a seat position adjusting means for adjusting a front and rear position of an occupant seat, wherein the seating posture is adjusted in conjunction with a seat position adjusting operation by the seat position adjusting means. The adjustment unit is disposed in a vehicle body side portion separated from the installation unit of the seat position adjustment unit, and a transmission cable for transmitting driving force between the seat position adjustment unit and the seating posture adjustment unit is provided in the vehicle compartment. A covering member that extends in the longitudinal direction of the vehicle body along the vertical wall standing from the floor panel and covers the installation portion of the transmission cable with a gap larger than the diameter of the transmission cable between the vertical wall and the vertical wall is arranged in the vehicle interior. An apparatus for adjusting a seating posture of an automobile characterized by being provided.   A gap formed between the vertical wall and the covering member is provided with a drive motor for the seat position adjusting means on the vehicle body side and a transmission cable for transmitting the rotational force of the drive motor to the operating portion of the seat position adjusting means. The apparatus for adjusting a seating posture of an automobile according to claim 2, wherein the seating attitude adjusting device is disposed inside.   4. The seating posture adjusting unit according to claim 2, further comprising: a movable floor provided in front of an occupant seat; and a driving unit that drives the movable floor to adjust its installation position. The vehicle seating posture adjusting device as described.   The seat position adjusting means includes a front / rear position adjusting mechanism that adjusts the front / rear position of the occupant seat, and a vertical position adjusting mechanism that adjusts the vertical position of the occupant seat in conjunction with the front / rear position adjusting mechanism. The sitting posture adjusting device for an automobile according to any one of claims 1 to 4.   6. The seating posture adjusting device for an automobile according to claim 1, wherein the transmission cable is arranged along the vertical wall in a state of being bent upward or downward of the vehicle body. .   The vertical wall is a side sill side wall extending in the front-rear direction of the vehicle body along the left and right sides of the floor panel, and the covering member is a side sill cover for covering the side sill from above. The sitting posture adjustment device for an automobile according to any one of -6.   The vertical wall is a side wall of a tunnel portion that extends in the front-rear direction of the vehicle body along the center portion of the floor panel, and the covering member is a center console that covers the tunnel portion from above. The sitting posture adjustment device for an automobile according to any one of -6.   The vertical wall is a side wall of the tunnel portion that extends in the front-rear direction of the vehicle body along the center portion of the floor panel, and the covering member is a center console that covers the tunnel portion from above, and is provided on the center console. 5. A seating posture adjusting device for an automobile according to claim 1, wherein a drive motor for seat position adjusting means is disposed below the console box.   A cross member extending in the vehicle width direction is disposed below the occupant seat, and a guide portion for guiding the transmission cable toward the gap formed between the vertical wall and the covering member is provided on the cross member. The vehicle seating posture adjusting device according to any one of claims 1 to 9, wherein the device is formed.   2. The vehicle seating posture adjusting apparatus according to claim 1, wherein the cross member is provided with a guide portion having a bead portion extending substantially in the front-rear direction of the vehicle body.   12. The control device according to claim 1, further comprising a restricting portion for restricting the front and rear movement of the transmission cable having one end connected to the seat position adjusting means on the other end of the transmission cable in the gap portion. The vehicle seating posture adjusting apparatus according to any one of the preceding claims.

Images