WO2018043345A1 - Dispositif de réglage de siège de véhicule - Google Patents

Dispositif de réglage de siège de véhicule Download PDF

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Publication number
WO2018043345A1
WO2018043345A1 PCT/JP2017/030572 JP2017030572W WO2018043345A1 WO 2018043345 A1 WO2018043345 A1 WO 2018043345A1 JP 2017030572 W JP2017030572 W JP 2017030572W WO 2018043345 A1 WO2018043345 A1 WO 2018043345A1
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WO
WIPO (PCT)
Prior art keywords
plate
slit
upper rail
pin
adjustment device
Prior art date
Application number
PCT/JP2017/030572
Other languages
English (en)
Japanese (ja)
Inventor
雅史 星野
佐藤　勝
岳 大西
鈴木　一平
晃弘 宮地
將義 野元
Original Assignee
株式会社小松製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社小松製作所 filed Critical 株式会社小松製作所
Publication of WO2018043345A1 publication Critical patent/WO2018043345A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device

Definitions

  • the present invention relates to a vehicle seat adjustment device.
  • the above-described seat slide apparatus includes a latch mechanism that can fix the lower rail and the upper rail at predetermined positions.
  • the latch mechanism has a positioning plate attached to the lower rail and a positioning selection plate attached to the upper rail.
  • the latch mechanism has a structure in which a pin of the positioning selection plate is inserted into a slit formed in the positioning plate, and the lower rail and the upper rail are fixed by mechanical engagement between the pin and the slit.
  • An object of the present invention is to provide a vehicle seat adjustment device that can suppress rattling of a seat.
  • a vehicle seat adjustment device includes a seat that is disposed above a vehicle floor and on which a passenger sits, a first plate, an upper rail fixed to the seat, and a lower rail fixed to the vehicle floor. ing.
  • a first slit is formed in the first plate.
  • the upper rail is provided with a second slit.
  • the lower rail is provided with a third slit.
  • the upper rail is slidable relative to the lower rail.
  • the first plate is slidable relative to the upper rail in the relative movement direction of the upper rail and the lower rail.
  • the vehicle seat adjustment device further includes a locking member and a first position fixing portion.
  • the locking member includes an engagement position inserted through the first slit, the second slit, and the third slit, and a non-engagement position that is disengaged from the first slit, the second slit, and the third slit.
  • the first position fixing portion causes the first plate to abut against the locking member at the engagement position on the one hand in the relative movement direction between the first plate and the upper rail, and causes the relative movement between the first plate and the upper rail.
  • the first plate is fixed to the upper rail at a position where the upper rail is brought into contact with the locking member at the engagement position on the other side in the direction.
  • the vehicle seat adjustment device of the present invention it is possible to suppress the rattling of the seat.
  • FIG. 1 is a front view illustrating a schematic configuration of a vehicle seat adjustment device according to an embodiment. It is a perspective view of the vehicle seat adjustment apparatus shown in FIG. It is a top view of the vehicle seat adjustment apparatus shown in FIG.
  • FIG. 2 is a partially enlarged front view of the vehicle seat adjustment device shown in FIG. 1.
  • the front-rear direction refers to the front-rear direction of the occupant seated on the seat 3.
  • the left-right direction refers to the left-right direction of the occupant seated on the seat 3.
  • the vertical direction refers to the vertical direction of an occupant seated on the seat 3.
  • the direction facing the occupant seated on the seat 3 is the front direction, and the direction facing the front direction is the rear direction.
  • the right side and the left side are the right direction and the left direction, respectively.
  • the foot side of the occupant seated on the seat 3 is downward, and the upper side of the head is upward.
  • FIG. 1 is a front view showing a schematic configuration of a vehicle seat adjustment device 20 based on the embodiment.
  • the direction perpendicular to the paper surface in FIG. 1 is the above-described front-rear direction.
  • the left-right direction in FIG. 1 is the above-described left-right direction.
  • the left side in FIG. 1 is the right direction described above, and the right side in FIG. 1 is the left direction described above.
  • the vertical direction in FIG. 1 is the vertical direction described above.
  • a lower frame 11 is fixed to the upper surface of the vehicle floor 1 using a plurality of bolts 12.
  • the lower frame 11 is fixed to the vehicle floor 1 at both right and left ends.
  • a central portion in the left-right direction of the lower frame 11 protrudes upward and is separated from the vehicle floor 1.
  • a hollow space is formed between the central portion of the lower frame 11 in the left-right direction and the vehicle floor 1.
  • the upper frame 16 is disposed above the lower frame 11.
  • the vehicle seat adjusting device 20 according to the present embodiment is disposed between the lower frame 11 and the upper frame 16.
  • a suspension device 8 is mounted on the upper frame 16.
  • the suspension device 8 is mounted with a seat 3 on which a vehicle occupant is seated.
  • the seat 3 is mounted on the upper frame 16 via the suspension device 8.
  • the seat 3 is disposed above the vehicle floor 1.
  • the vehicle seat adjustment device 20 is interposed between the vehicle floor 1 and the seat 3.
  • the seat 3 has a seating portion 4 and a back surface portion 5.
  • a vehicle occupant sits on the seat 4 of the seat 3.
  • a back surface portion 5 is provided so that an occupant seated on the seat portion 4 can lean back.
  • a headrest (not shown) that protects the occupant's head is attached to the upper end of the back surface portion 5.
  • the vehicle seat adjustment device 20 includes an upper rail 30 and a lower rail 40.
  • the lower rail 40 is fixed to the lower frame 11 using a plurality of bolts 13.
  • the lower rail 40 is fixed to the vehicle floor 1 via the lower frame 11.
  • the upper rail 30 is fixed to the upper frame 16 using a plurality of bolts 17.
  • the upper rail 30 is fixed to the seat 3 via the upper frame 16 and the suspension device 8.
  • the upper rail 30 and the lower rail 40 extend in the front-rear direction.
  • the upper rail 30 is provided to be slidable relative to the lower rail 40 in the front-rear direction.
  • a shaft 130 extending in the front-rear direction is fixed to the upper rail 30.
  • the shaft 130 is provided integrally with the upper rail 30 so as to be movable relative to the lower rail 40.
  • the vehicle seat adjustment device 20 includes a first plate 50, a third plate 70, and a fourth plate 80.
  • a second plate 60 is disposed between the first plate 50 and the third plate 70.
  • the first plate 50, the second plate 60, the third plate 70, and the fourth plate 80 are arranged in order from the upper side to the lower side in the vertical direction.
  • the first plate 50, the second plate 60, the third plate 70, and the fourth plate 80 overlap each other in this order.
  • FIG. 2 is a perspective view of the vehicle seat adjusting apparatus 20 shown in FIG.
  • FIG. 3 is a plan view of the vehicle seat adjusting apparatus 20 shown in FIG. 4 is a partially enlarged front view of the vehicle seat adjustment device 20 shown in FIG.
  • FIG. 5 is an exploded perspective view of the vehicle seat adjustment device 20.
  • the vertical direction in FIG. 3 is the above-described front-rear direction.
  • the lower side in FIG. 3 is the front direction described above, and the upper side in FIG. 3 is the rear direction described above.
  • the left-right direction in FIG. 3 is the above-described left-right direction.
  • the left side in FIG. 3 is the right direction described above, and the right side in FIG. 3 is the left direction described above.
  • the vertical direction in FIG. 3 is the vertical direction described above.
  • the first plate 50 has notches 52 and 53 in which a part of the edge is notched. Fixing nut portions 54 and 55 are attached to the upper surface of the first plate 50. A through hole (not shown) is formed at a position of the first plate 50 corresponding to the fixing nut portions 54 and 55.
  • the second plate 60 is formed integrally with the upper rail 30 via the connecting portion 61.
  • the upper rail 30 of the present embodiment has a second plate 60.
  • the second plate 60 may be formed as a separate member from the upper rail 30 and attached to the upper rail 30.
  • the second plate 60 has notches 62 and 63 in which a part of the edge is notched.
  • the second plate 60 is formed with through holes 64 and 65 penetrating the second plate 60 in the thickness direction.
  • a bolt 164 passes through the through hole 64 and the through hole formed in the first plate and is tightened to the fixing nut portion 54, and a bolt 165 passes through the through hole 65 and the through hole formed in the first plate.
  • a washer 166 is disposed between the head of the bolt 164 and the lower surface of the second plate 60.
  • a washer 167 is disposed between the head of the bolt 165 and the lower surface of the second plate 60.
  • the second plate 60 has a spring holding portion 66 that holds a spring member 100 described later.
  • the spring holding part 66 has a protruding part 67.
  • the protruding portion 67 protrudes upward with respect to the flat plate shape constituting most of the second plate 60.
  • a through hole 68 is formed in the spring holding portion 66 so as to penetrate in the thickness direction.
  • the third plate 70 is disposed between the lower rail 40 and the lower frame 11 and is attached to the lower rail 40.
  • the third plate 70 has an interposition part 71 interposed between the lower rail 40 and the lower frame 11.
  • the bolt 13 is disposed through the third plate 70, and integrally fixes the lower frame 11, the lower rail 40, and the interposition part 71 of the third plate 70.
  • the third plate 70 is formed with a plurality of notches 72 in which a part of the edge is notched. Each of the plurality of notches 72 is formed in the same shape.
  • the third plate 70 is formed with through holes 74 and 75 penetrating the third plate 70 in the thickness direction.
  • the fourth plate 80 is formed with a plurality of cutout portions 82 in which a part of the edge portion is cut out. Each of the plurality of notches 82 is formed in the same shape.
  • the fourth plate 80 is formed with through holes 84 and 85 that penetrate the fourth plate 80 in the thickness direction.
  • a fixing nut portion 86 and a fixing nut portion 87 shown in FIG. 10 to be described later are attached to the lower surface of the fourth plate 80.
  • the bolt 174 passes through the through holes 74 and 84 and is fastened to the fixing nut portion 86, and the bolt 175 passes through the through holes 75 and 85 and is fastened to the fixing nut portion 87, thereby
  • the fourth plate 80 is fixed to each other.
  • a washer 176 is disposed between the head of the bolt 174 and the upper surface of the third plate 70.
  • a washer 177 is disposed between the head of the bolt 175 and the upper surface of the third plate 70.
  • the upper rail 30 is formed with a plurality of through holes 33, 33 penetrating the upper rail 30 in the thickness direction.
  • the bolts 17 shown in FIGS. 1 to 3 are inserted through the through holes 33 to fix the upper frame 16 and the upper rail 30.
  • the upper rail 30 has an upper surface 31 and a lower surface 32.
  • the upper surface 31 is in contact with the upper frame 16.
  • the lower surface 32 faces the lower rail 40.
  • a gap is formed between the lower surface 32 and the lower rail 40.
  • the lower rail 40 has an upper surface portion 41, a lower surface portion 42, a right side surface portion 43, and a left side surface portion 44.
  • the upper surface portion 41, the lower surface portion 42, the right side surface portion 43 and the left side surface portion 44 are assembled to form a hollow space 45.
  • the lower rail 40 has a hollow container.
  • the sliding member 140 is accommodated in the hollow space 45 in the container.
  • the sliding member 140 receives the shaft 130 fixed to the lower surface 32 of the upper rail 30 and supports the shaft 130.
  • a groove is formed in the sliding member 140, and the shaft 130 is accommodated in the groove.
  • the opening 46 is formed in the container of the lower rail 40, and the shaft 130 is disposed in the container through the opening 46.
  • a slit 141 is formed in the sliding member 140. The slit 141 extends in the vertical direction.
  • a fixing nut 153 is attached to the left side surface portion 44 of the lower rail 40.
  • a bolt 151 is disposed through the through hole and further through the fixing nut 153.
  • a nut 154 is attached to the threaded portion of the bolt 151.
  • a head fixing plate 152 that determines the position of the head of the bolt 151 is provided on the right side surface portion 43. The bolt 151 is fixed to the lower rail 40 by tightening the nut 154.
  • the bolt 151 fixed to the lower rail 40 extends in the left-right direction.
  • the bolt 151 passes through the right side surface portion 43 and the left side surface portion 44 of the lower rail 40 and passes through the inside of the container of the lower rail 40.
  • the bolt 151 penetrates the sliding member 140 accommodated in the container.
  • the bolt 151 passes through the slit 141 formed in the sliding member 140.
  • the vehicle seat adjustment device 20 further includes a key portion 90 and a spring member 100.
  • the key portion 90 includes a flat upper key plate 91 and a flat lower key plate 92.
  • the upper key plate 91 and the lower key plate 92 have a pentagonal shape.
  • the upper key plate 91 and the lower key plate 92 are arranged in parallel with an interval in the vertical direction.
  • the upper key plate 91 and the lower key plate 92 are connected by two pins 93 and 94.
  • the pins 93 and 94 of this embodiment are an example of a locking member.
  • the pins 93 and 94 have a round bar shape and are arranged in parallel to each other.
  • the spring member 100 has a coil portion 101, one end portion 102, and the other end portion 103.
  • One end portion 102 of the spring member 100 is engaged with a through hole 95 formed in the upper key plate 91 and a through hole 96 formed in the lower key plate 92.
  • the other end 103 of the spring member 100 is engaged with a through hole 68 formed in the second plate 60.
  • a coil portion 101 is provided between the one end portion 102 and the other end portion 103.
  • the coil portion 101 is disposed so as to surround the periphery of the protruding portion 67 of the second plate 60.
  • a pair of the upper rail 30, the lower rail 40, and the first to fourth plates are provided in the left-right direction.
  • a pair of mechanisms each including the upper rail 30, the lower rail 40, and the first to fourth plates are connected by a link device 110.
  • the link device 110 includes a handle 111 and a link plate 112.
  • the handle 111 has a round bar shape and has a distal end and a proximal end.
  • the tip of the handle 111 protrudes forward with respect to the lower frame 11 and the upper frame 16.
  • the distal end of the handle 111 protrudes forward with respect to the seating portion 4 of the seat 3.
  • the proximal end of the handle 111 is fixed to the link plate 112.
  • the link plate 112 has a flat plate shape.
  • a fixing nut portion 113 is attached to the upper surface of the link plate 112.
  • the fixing nut portion 113 has a female screw shape.
  • a bolt 114 is fastened to the female thread shape of the fixing nut portion 113.
  • the bolt 114 passes through the upper frame 16.
  • the link plate 112 is provided so as to be rotatable relative to the upper frame 16 around the bolt 114.
  • the occupant seated on the seat 3 grips the handle 111 protruding forward from the lower side of the seat 3 and operates the handle 111 to the left and right, whereby the link plate 112 rotates around the bolt 114.
  • a rotation stopper 118 is fixed to the lower surface of the upper frame 16.
  • the rotation stopper 118 defines a rotatable range of the link plate 112.
  • the handle 111 shown in FIGS. 1 to 3 is arranged on the leftmost side in the movable range of the handle 111.
  • the handle 111 can be operated rightward from the arrangement shown in FIGS.
  • a through hole 115 that penetrates the link plate 112 in the thickness direction is formed at the right end of the link plate 112.
  • a through hole 116 that penetrates the link plate 112 in the thickness direction is formed at the left end of the link plate 112.
  • One end 125 of the link member 121 is engaged with the through hole 115.
  • One end 126 of the link member 122 is engaged with the through hole 116.
  • the other end portion 127 of the link member 121 and the other end portion 128 of the link member 122 are engaged with each of the pair of key portions 90.
  • the other end portion 128 of the link member 122 is engaged with the through hole 97.
  • FIG. 6 is a plan view showing a pin inserted into the slit.
  • FIG. 6 typically shows only the pin 93 out of the two pins 93 and 94 of the key portion 90.
  • the first plate 50 and the second plate 60 shown in FIG. 6 are fixed to each other using bolts 164 and 165.
  • the third plate 70 and the fourth plate 80 shown in FIG. 6 are fixed to each other using bolts 174 and 175.
  • the notch 52 formed in the first plate 50 and the notch 62 formed in the second plate 60 overlap each other.
  • the notch 53 formed in the first plate 50 and the notch 63 formed in the second plate 60 overlap each other.
  • the first plate 50 and the second plate 60 overlap each other, the notch 52 and the notch 62 communicate with each other, and the notch 53 and the notch 63 communicate with each other.
  • the slit corner portion 52 c constitutes a part of the edge portion of the notch portion 52 formed in the first plate 50.
  • the slit corner portion 52c in plan view has an arc shape, more specifically a quadrant shape.
  • the slit corner portion 62 c constitutes a part of the edge portion of the notch portion 62 formed in the second plate 60.
  • the slit corner 62c in plan view has an arc shape, more specifically a quadrant shape.
  • a space defined by the slit corner portion 52c is formed in the first plate 50, and this space is the first slit.
  • the first slit constitutes a part of the notch 52.
  • a space defined by the slit corner portion 62c is formed in the second plate 60, and this space is the second slit.
  • the second slit constitutes a part of the notch 62. It can be said that the second plate 60 is formed integrally with the upper rail 30, and the second slit is provided in the upper rail 30. At least a part of the first slit and the second slit has an arc shape. The radius of the arc is equal to the radius of the round bar-shaped pin 93.
  • the notch 72 formed in the third plate 70 and the notch 82 formed in the fourth plate 80 overlap each other.
  • the third plate 70 and the fourth plate 80 overlap each other, and the notch 72 and the notch 82 communicate with each other.
  • the slit corner portion 72 c constitutes a part of the edge portion of the notch portion 72 formed in the third plate 70.
  • the slit corner portion 72c in plan view has an arc shape, more specifically a quadrant shape.
  • the slit corner portion 82 c constitutes a part of the edge portion of the notch portion 82 formed in the fourth plate 80.
  • the slit corner portion 82c in plan view has an arc shape, more specifically a quadrant shape.
  • a space defined by the slit corner portion 72c is formed in the third plate 70, and this space is the third slit.
  • the third slit constitutes a part of the notch 72. It can be said that the third plate 70 is fixed to the lower rail 40 and the third slit is provided in the lower rail 40.
  • a space defined by the slit corner portion 82c is formed in the fourth plate 80, and this space is the fourth slit.
  • the fourth slit constitutes a part of the notch portion 82. At least a part of the third slit and the fourth slit has an arc shape. The radius of the arc is equal to the radius of the round bar-shaped pin 93.
  • FIG. 7 is an exploded perspective view showing the configuration of the position fixing portion for fixing the plate.
  • a part including the through hole 75 of the third plate 70 and a part including the through hole 85 of the fourth plate 80 are illustrated.
  • the through hole 85 is a circular hole having a circular shape in plan view.
  • the through hole 75 is a long hole having a rounded rectangular shape in plan view.
  • the major axis direction of the through hole 75 is the front-rear direction.
  • the major axis direction of the through hole 75 is a relative movement direction between the third plate 70 and the fourth plate 80.
  • the long axis direction of the through hole 75 is the moving direction of the upper rail 30 that slides relative to the lower rail 40.
  • the dimension of the through-hole 75 in the major axis direction is set larger than the radius of the round bar-shaped pin 93.
  • the third plate 70 and the fourth plate 80 are fixed by inserting the bolts 175 through the through holes 75 and 85 and fastening the bolts 175 to the fixing nut portion 87 (FIG. 5). Therefore, in a state where the third plate 70 and the fourth plate 80 are fixed to each other, the through hole 75 and the through hole 85 overlap each other.
  • the bolt 175 is an insertion member that is inserted through the through hole 75 and the through hole 85.
  • the bolt 175 inserted through the through holes 75 and 85 corresponds to a second position fixing portion that fixes the third plate 70 and the fourth plate 80.
  • the bolt 175 is inserted into the through holes 75 and 85, but the third plate 70 and the fourth plate 80 are not yet fixed, and the fourth plate 80 Is slidable relative to the third plate 70 and the lower rail 40 in the front-rear direction.
  • the through hole 75 of the third plate 70 and the through hole 85 of the fourth plate 80 have been described.
  • the through hole 74 of the third plate 70 and the through hole 84 of the fourth plate 80 are also described.
  • the configuration is the same as the through holes 75 and 85.
  • the through hole 84 is a round hole, and the through hole 74 is a long hole extending in the front-rear direction. In a state where the third plate 70 and the fourth plate 80 are fixed to each other, the through hole 74 and the through hole 84 overlap each other.
  • the bolt 174 is an insertion member that is inserted into the through hole 74 and the through hole 84.
  • the through holes 64 and 65 formed in the second plate 60 and the through holes formed at positions corresponding to the fixing nut portions 54 and 55 of the first plate 50 are also the same as the through holes 75 and 85. It is configured.
  • the through holes of the first plate 50 are round holes, and the through holes 64 and 65 are long holes extending in the front-rear direction.
  • Bolts 164 and 165 are insertion members. The bolts 164 and 165 correspond to a first position fixing unit that fixes the first plate 50 and the second plate 60.
  • FIG. 8 is a plan view showing a state before the pin 93 is brought into contact with the slit.
  • a notch 62 is formed in the figure.
  • the pins 93 and 94 of the key portion 90 are respectively disposed in the notches 62 and 63 of the second plate 60, and then the first plate 50 is attached to the second plate 60.
  • the bolts 164 and 165 are temporarily fixed to the fixing nut portions 54 and 55, respectively.
  • the pin 93 is disposed in the space formed by overlapping the notch 52 and the notch 62
  • the pin 94 is formed in the space formed by overlapping the notch 53 and the notch 63. Be placed.
  • the bolts 164 and 165 are inserted into the through holes 64 and 65 and temporarily fixed to the fixing nut portions 54 and 55, but the first plate 50 and the second plate 60.
  • the first plate 50 is slidable relative to the second plate 60 and the upper rail 30 in the front-rear direction in an unfixed state. Therefore, as shown in FIG. 8, the first corner 50c of the first plate 50 and the slit corner 62c of the second plate 60 are separated from each other in the front-rear direction (left-right direction in FIG. 8). It is possible to arrange the plate 50 and the second plate 60.
  • the shape of the slit formed by combining the slit corner portions 52c and 62c in plan view includes an arc of the slit corner portion 52c, an arc of the slit corner portion 62c, and a straight line connecting these two arcs.
  • the slit includes a linear shape, as shown in FIG. 8, the pin 93 disposed in the slit is not in contact with one or both of the slit corner portions 52c and 62c. Since the slit is formed wide, the pin 93 can be easily inserted into the slit.
  • FIG. 9 is a plan view showing a state in which the pin 93 is in contact with the slit.
  • the first plate 50 is moved relative to the second plate 60 and the upper rail 30 in the front-rear direction (left-right direction in FIG. 9). More specifically, the second plate 60 is moved in the forward direction (right direction in FIG. 9) from the arrangement shown in FIG. Thereby, the first plate 50 is disposed so as to be shifted rearward with respect to the second plate 60 and the upper rail 30.
  • the first plate 50 and the first plate 50 are arranged so that both the slit corner portion 52 c of the first plate 50 and the slit corner portion 62 c of the second plate 60 are in contact with the outer peripheral surface of the pin 93.
  • Two plates 60 can be arranged.
  • the first plate 50 is slid relative to the second plate 60 and the upper rail 30, and the first plate 50 and the second plate 60 are both brought into contact with the pins 93 at the first position.
  • the first plate 50, the second plate 60, and the upper rail 30 are fixed using bolts 164 and 165, and cannot be relatively moved.
  • the first plate 50 fixed using the bolts 164 and 165 is in contact with the pin 93 on the one hand in the relative movement direction between the first plate 50 and the upper rail 30.
  • the first plate 50 is in contact with the front side of the outer peripheral surface of the pin 93.
  • the second plate 60 fixed using the bolts 164 and 165 is in contact with the pin 93 on the other side in the relative movement direction between the first plate 50 and the upper rail 30.
  • the second plate 60 is in contact with the rear side of the outer peripheral surface of the pin 93.
  • the shape of the slit formed by combining the slit corner portions 52c and 62c in plan view is the shape of an arc formed by the arc of the slit corner portion 52c and the arc of the slit corner portion 62c.
  • the shape of the slit in plan view is a semicircular shape.
  • the pin 93 disposed in the slit is in contact with both the slit corner portions 52c and 62c. Therefore, no gap is formed between the pin 93 disposed in the slit and the first plate 50, and no gap is formed between the pin 93 disposed in the slit and the second plate 60. .
  • FIG. 10 is a side view showing a state in which the pin 93 is in contact with the slit.
  • the positions of the first plate 50 and the second plate 60 are adjusted as described with reference to FIG.
  • the pin 93 is in contact with both the slit corner portions 52 c and 62 c of the first plate 50 and the second plate 60.
  • the pin 93 is inserted into both the cutout portion 72 of the third plate 70 and the cutout portion 82 of the fourth plate 80.
  • the third plate 70 and the lower rail 40 are in front of each other with the pin 93 inserted through a slit formed by combining the slit corner portion 72c of the third plate 70 and the slit corner portion 82c of the fourth plate 80. Moving in the direction. As a result, the third plate 70 and the lower rail 40 are arranged so as to be shifted in the forward direction with respect to the fourth plate 80.
  • the third plate 70 and the fourth plate 80 are arranged so that both the slit corner portions 72 c and 82 c are in contact with the outer peripheral surface of the pin 93.
  • the fourth plate 80 is slid relative to the third plate 70 and the lower rail 40, and the third plate 70 and the fourth plate 80 are in contact with the pins 93 at the positions where the The third plate 70 and the lower rail 40 and the fourth plate 80 are fixed using bolts 174 and 175 so that they cannot move relative to each other.
  • the fourth plate 80 fixed using the bolts 174 and 175 is in contact with the pin 93 on the one hand in the relative movement direction between the third plate 70 and the fourth plate 80.
  • the fourth plate 80 is in contact with the front side of the outer peripheral surface of the pin 93.
  • the third plate 70 fixed using the bolts 174 and 175 is in contact with the pin 93 on the other side in the relative movement direction between the third plate 70 and the fourth plate 80.
  • the third plate 70 is in contact with the rear side of the outer peripheral surface of the pin 93.
  • FIG. 11 is an enlarged side view showing a state where the pin 93 is in contact with the slit.
  • the right direction in FIG. 11 is the forward direction
  • the left direction in FIG. 11 is the backward direction.
  • the first plate 50 fixed by the bolts 164 and 165 is arranged to be shifted rearward with respect to the second plate 60.
  • the third plate 70 fixed by the bolts 174 and 175 is arranged so as to be shifted in the forward direction with respect to the fourth plate 80.
  • the direction in which the first plate 50 is displaced with respect to the second plate 60 and the direction in which the third plate 70 is displaced with respect to the fourth plate 80 are opposite to each other.
  • the first plate 50 slides relative to the second plate 60 before being fixed by the bolts 164, 165, and the third direction before being fixed by the bolts 174, 175.
  • the directions in which the plate 70 slides relative to the fourth plate 80 are opposite to each other.
  • the slit corner 52c is in contact with the outer peripheral surface of the pin 93.
  • the notch 52 also has a non-contact surface 52 b that does not contact the pin 93.
  • the slit corner 62 c is in contact with the outer peripheral surface of the pin 93.
  • the notch 62 also has a non-contact surface 62 b that does not contact the pin 93.
  • the slit corner 72 c is in contact with the outer peripheral surface of the pin 93.
  • the notch 72 also has a non-contact surface 72 b that does not contact the pin 93.
  • the slit corner portion 82 c is in contact with the outer peripheral surface of the pin 93.
  • the notch 82 also has a non-contact surface 82 b that does not contact the pin 93.
  • FIG. 12 is a plan view of the vehicle seat adjustment device 20 showing a state in which the pins are removed from the slits.
  • the handle 111 is operated in the right direction (left direction in FIG. 12) as compared with the arrangement shown in FIG.
  • the link plate 112 rotates in the clockwise direction around the bolt 114.
  • the through-hole 115 formed in the link plate 112 has moved leftward (rightward in FIG. 12) compared to FIG.
  • the through hole 115 shown in FIG. 12 moves in a direction away from the key portion 90 shown in FIG. 3 connected to the link plate 112 via the link member 121.
  • the key unit 90 receives a force in the left direction (right direction in FIG. 12) via the link member 121 in accordance with the operation of the handle 111, and the left direction (right direction in FIG. 12) compared with FIG. )
  • the through-hole 116 formed in the link plate 112 has moved in the forward direction (downward in FIG. 12) compared to FIG.
  • the through hole 116 shown in FIG. 12 moves in a direction away from the key portion 90 shown in FIG. 3 connected to the link plate 112 via the link member 122.
  • the key unit 90 receives a force in the right direction (left direction in FIG. 12) via the link member 122 in accordance with the operation of the handle 111, and thus the right direction (left direction in FIG. 12) compared to FIG. )
  • the key portion 90 can be moved by operating the handle 111 in the right direction.
  • the pins 93 and 94 move from the engagement position inserted through the slit to the non-engagement position that is disengaged from the slit.
  • the one end part 102 (FIG. 5) of the spring member 100 is moving. Thereby, the urging force is accumulated in the coil portion 101 of the spring member 100.
  • FIG. 13 is a plan view showing the pin 93 removed from the slit. Compared with FIG. 6, the pin 93 shown in FIG. 13 has moved to the non-engagement position that is disengaged from the slit due to the movement of the key portion 90 described above.
  • the occupant seated on the seat 3 operates the handle 111 in the right direction to release the engagement between the pin 93 and the slit.
  • the upper rail 30 can slide in the front-rear direction with respect to the lower rail 40.
  • the seat 3 moves in the front-rear direction.
  • the occupant can adjust the position of the seat 3 by positioning the upper rail 30 with respect to the lower rail 40 at a selected position in the front-rear direction.
  • the passenger When the adjustment of the position of the seat 3 is completed, the passenger operates the handle 111 to the left to return the handle 111 to the arrangement shown in FIGS. At this time, the pins 93 and 94 are moved from the non-engagement position released from the slit to the engagement position inserted into the slit by the biasing force accumulated in the spring member 100.
  • the first plate 50 has a movement restricting portion 56. The movement restricting portion 56 restricts the movement of the pin 93 in the direction away from the slit.
  • the vehicle seat adjustment device 20 of the present embodiment includes a first plate 50.
  • a first slit is formed in the first plate 50.
  • the upper rail 30 is provided with a second slit.
  • the lower rail 40 is provided with a third slit.
  • the upper rail 30 has a second plate 60, and the second slit is formed in the second plate 60.
  • a third plate 70 is attached to the lower rail 40, and a third slit is formed in the third plate 70.
  • the upper rail 30 can slide relative to the lower rail 40 in the front-rear direction.
  • the first plate 50 is slidable relative to the upper rail 30 and the second plate 60 in the front-rear direction.
  • the vehicle seat adjustment device 20 further includes a pin 93 and bolts 164 and 165.
  • the pin 93 includes an engagement position inserted into the first slit, the second slit, and the third slit, and the first slit, the second slit, and the first slit. It is possible to move between the non-engagement positions deviating from the three slits.
  • the first plate 50 is attached to the upper rail within a range in which the first slit formed in the first plate 50 and the second slit formed in the second plate 60 overlap each other. Slide relative to 30 in the front-rear direction.
  • the upper rail 30 fixed to the seat 3 can be slid in the front-rear direction with respect to the lower rail 40 fixed to the vehicle floor 1.
  • the seat 3 can be positioned with respect to the vehicle floor 1 by moving the seat 93 to the position selected by the occupant seated on the seat 3 and then moving the pin 93 to the engagement position. In this way, the position of the seat 3 with respect to the vehicle floor 1 can be adjusted.
  • the pin 93 can be sandwiched between the first plate 50 and the second plate 60, and both the first plate 50 and the second plate 60 can be brought into contact with the pin 93.
  • the gap between the pins 93 can be eliminated by the relative movement between the first plate 50 and the second plate 60, the strict processing accuracy of the first plate 50, the second plate 60, and the pins 93 is It is not necessary and can be easily manufactured. Since the same method can be applied to all the individual vehicle seat adjustment devices 20 manufactured in large numbers to suppress the rattling, productivity can be improved.
  • the vehicle seat adjustment device 20 also includes a fourth plate 80 in which a fourth slit is formed.
  • the fourth plate 80 is slidable relative to the third plate 70 and the lower rail 40 in the front-rear direction.
  • the pin 93 in the engagement position is inserted through the third slit and the fourth slit.
  • the pin 93 in the non-engagement position is disengaged from the third slit and the fourth slit.
  • the vehicle seat adjustment device 20 further includes bolts 174 and 175.
  • the fourth plate 80 is relative to the lower rail 40 in the front-rear direction within a range in which the third slit formed in the third plate 70 and the fourth slit formed in the fourth plate 80 overlap each other.
  • the bolts 174 and 175 fix the fourth plate 80 to the third plate 70 at a position where the fourth plate is brought into contact with the pin 93 by sliding.
  • the pin 93 is sandwiched between the third plate 70 and the fourth plate 80, and the third plate 70. And the fourth plate 80 can be brought into contact with the pin 93.
  • the first plate 50, the second plate 60, the third plate 70, and the fourth plate 80 overlap each other in this order.
  • the first plate 50 fixed by the bolts 164 and 165 is arranged so as to be shifted rearward with respect to the second plate 60.
  • the third plate 70 fixed by the bolts 174 and 175 is arranged so as to be shifted in the forward direction with respect to the fourth plate 80.
  • the movement direction of the first plate 50 relative to the second plate 60 when adjusting the positions of the first plate 50 and the second plate 60 and the positions of the third plate 70 and the fourth plate 80 are determined.
  • the moving direction of the third plate 70 relative to the fourth plate 80 at the time of adjustment is opposite.
  • the configuration in which the second plate 60 and the third plate 70 are in contact with the pins 93 from the rear and the first plate 50 and the fourth plate 80 are in contact with the pins 93 from the front is realized. ing.
  • the tilt of the pin 93 sandwiched between the first to fourth plates in the vertical direction can be suppressed, and the pin 93 can be stably supported.
  • the first plate 50 has a movement restricting portion 56.
  • the movement restricting portion 56 restricts the movement of the pin 93 in the direction away from the slit. Since the movement restricting portion 56 defines the movement range of the pin 93, the pins 93 and 94 can be easily returned from the non-engagement position to the engagement position. Therefore, the seat 3 can be reliably positioned with respect to the vehicle floor 1 after adjusting the position of the seat 3.
  • the pin 93 has a round bar shape.
  • the slit corner portion 52c constituting a part of the first slit has an arc shape.
  • the radius of the arc of the slit corner portion 52 c is equal to the radius of the pin 93.
  • the shape of the pin is not necessarily limited to the round bar shape, and the cross section of the pin may be a polygonal shape.
  • the slit shape and the pin 93 into an arc shape as in this embodiment, between the engagement position where the pin 93 is inserted into the slit and the non-engagement position where the pin 93 is removed from the slit. Since the pin 93 that moves is movable without sliding with respect to the slit, the movement of the pin 93 is facilitated.
  • a round hole is formed in the first plate 50, and a long hole is formed in the second plate 60.
  • the long hole of the second plate 60 extends in the front-rear direction.
  • the round hole of the first plate 50 and the long hole of the second plate 60 overlap each other.
  • the bolts 164 and 165 are inserted through the round hole of the first plate 50 and the long hole of the second plate 60. In this way, the first plate 50 and the second plate 60 are slid relative to each other within the range of the long holes formed in the second plate 60, and the first plate 50 and the second plate 60 are moved. Both the plate 60 and the pin 93 can be reliably brought into contact with the pin 93.
  • the key unit 90 has two pins 93 and 94.
  • the number of pins may be one.
  • the strength of the key portion 90 can be improved by adopting a configuration having a plurality of pins 93 and 94.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

La présente invention concerne un dispositif de réglage de siège de véhicule qui peut supprimer le cliquetis du siège. Ce dispositif de réglage de siège de véhicule comprend une première plaque (50) dans laquelle une première fente est formée, et une troisième plaque (70) dans laquelle une troisième fente est formée. Un rail supérieur présente une deuxième plaque (60), et une deuxième fente est formée dans la deuxième plaque (60). La troisième plaque (70) est fixée à un rail inférieur. La première plaque (50) et la deuxième plaque (60) sont fixées à des emplacements où, parmi des directions de mouvement relatif entre la première plaque (50) et le rail supérieur, la première plaque (50) est amenée en contact avec une broche (93) dans une direction et la deuxième plaque (60) est amenée en contact avec la broche (93) dans l'autre direction.
PCT/JP2017/030572 2016-08-30 2017-08-25 Dispositif de réglage de siège de véhicule WO2018043345A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016167958A JP2018034582A (ja) 2016-08-30 2016-08-30 車両用シート調整装置
JP2016-167958 2016-08-30

Publications (1)

Publication Number Publication Date
WO2018043345A1 true WO2018043345A1 (fr) 2018-03-08

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Application Number Title Priority Date Filing Date
PCT/JP2017/030572 WO2018043345A1 (fr) 2016-08-30 2017-08-25 Dispositif de réglage de siège de véhicule

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JP (1) JP2018034582A (fr)
WO (1) WO2018043345A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003512231A (ja) * 1999-10-19 2003-04-02 マグナ シーティング システムズ インコーポレイテッド 無段係合方式のロック機構を備えたシート軌道組立体

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003512231A (ja) * 1999-10-19 2003-04-02 マグナ シーティング システムズ インコーポレイテッド 無段係合方式のロック機構を備えたシート軌道組立体

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JP2018034582A (ja) 2018-03-08

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