WO2015188746A1 - Ensemble de rails de siège - Google Patents

Ensemble de rails de siège Download PDF

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Publication number
WO2015188746A1
WO2015188746A1 PCT/CN2015/081137 CN2015081137W WO2015188746A1 WO 2015188746 A1 WO2015188746 A1 WO 2015188746A1 CN 2015081137 W CN2015081137 W CN 2015081137W WO 2015188746 A1 WO2015188746 A1 WO 2015188746A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
upper rail
disposed
oblique portion
tooth
Prior art date
Application number
PCT/CN2015/081137
Other languages
English (en)
Inventor
Hongbin NI
Dong Liu
Zhenyi TANG
Original Assignee
Johnson Controls Technology Company
Johnson Controls (China) Investment Co., Ltd.
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 Johnson Controls Technology Company, Johnson Controls (China) Investment Co., Ltd. filed Critical Johnson Controls Technology Company
Publication of WO2015188746A1 publication Critical patent/WO2015188746A1/fr

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Classifications

    • 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
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0705—Slide construction characterised by its cross-section omega-shaped
    • 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
    • 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
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0715—C or U-shaped
    • 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
    • B60N2/0812—Location of the latch
    • B60N2/0818—Location of the latch inside the rail
    • 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
    • B60N2/0831—Movement of the latch
    • B60N2/0837—Movement of the latch pivoting
    • B60N2/085—Movement of the latch pivoting about a transversal axis

Definitions

  • the present invention relates to the technology field of seats, and more particularly to a rail assembly for vehicle seats.
  • Seat rails are used for connecting a seat with a vehicle body.
  • the seat rails of the driver's seat and the front passenger seat installed in the front of a vehicle make it possible to move the front seats in a front-rear direction according to the needs of the driver and the front passenger, such that the comfort of the front seats is increased.
  • the position of the driver’s seat can be adjusted in a front-rear direction according to the driver's height and weight, such that the manipulation of the steering wheel, the pedals, the gear lever and etc. is facilitated.
  • Existing seat rails on the market comprise an upper rail 1, a lower rail 2, a lock piece 3, a lock-connecting member 4, a restoring spring 5 and four sliding blocks 6, wherein the upper rail 1 slides on the lower rail 2 through the four sliding blocks 6.
  • the lock-connecting member 4 is in the shape of a groove, wherein shaft holes 4c, 4d are respectively disposed at the intermediate position of the walls 4a, 4b.
  • the lock-connecting member 4 is mounted on the shaft seat 8 with the shaft 7 passing through the shaft holes 4c, 4d.In the meanwhile the shaft 7 also passes through the shaft seat 8.
  • the shaft seat 8 is mounted on the upper rail 1.
  • the lock piece 3 is anchored on the front end of the lock-connecting member 4 by the rivet 9.
  • the above seat rails require a considerable number of components.
  • the lock-connecting member 4 is in the shape of a groove, and the shaft 7 and the shaft seat 8have to be mounted on the upper rail 1. Therefore, the total weight of such a rail assembly is relatively heavy, and the structure thereof is also relatively complicated. As such, existing seat rails on the market do not meet the requirements of low cost and light weight.
  • the lock member comprises the lock piece 3, the lock-connecting member 4, the restoring spring 5, the rivet 9, the shaft 7 and the shaft seat 8 the total tolerance after assembly is large, which is not conducive to quality control.
  • a seat rail assembly comprises an upper rail, a lower rail, a restoring spring and a lock member.
  • the upper rail may be disposed on the lower rail, at least one upper tooth window disposed on the upper rail, lower tooth windows disposed on the lower rail and the number of the lower tooth window being greater than that of the upper tooth window.
  • the restoring spring and the lock member may be disposed between the upper rail and the lower rail, an outwardly projecting circular rotating boss directly formed by extrusion disposed at the central position of the lock member.
  • a shaft hole corresponding to the circular rotating boss may be disposed on the upper rail, the circular rotating boss embedded into the shaft hole, the circular rotating boss and the shaft hole constituting a rotating point by mutual slide, the lock member swivelling around the rotating point during the locking and the unlocking process. Accordingly, the weight of seat rails may be lightened, and the technological competitiveness of the seat rails may improved.
  • a seat rail assembly comprising an upper rail, a lower rail, a restoring spring and a lock member, the upper rail slidably disposed on the lower rail, at least one upper tooth window disposed on the upper rail, lower tooth windows disposed on the lower rail and the number of the lower tooth windows greater than the number of the upper tooth window, the restoring spring and the lock member disposed between the upper rail and the lower rail, wherein: the lock member comprises a lock piece disposed at the back end of the lock member and a restoring spring mounting groove disposed at the front end of the lock member, at least one lock tooth symmetrically disposed on both sides of the central axis of the lock member, the cross-section of the central portion of the lock member perpendicular to the central axis of the lock member being substantially L-shaped having a bottom edge and a vertical edge, an outwardly projecting circular rotating boss directly formed by extrusion disposed at the centre-back position of the vertical edge; a shaft hole corresponding to the circular rotating boss is disposed on the upper rail, the circular
  • the head of the circular rotating boss is a cylindrical surface.
  • a plurality of stiffeners is disposed at the vertical edge of the outer periphery of the circular rotating boss.
  • the upper rail comprises a top upper rail surface and a left upper rail side surface and a right upper rail side surface on the two sides of the axis of the top upper rail surface, on the bottom of the left upper rail side surface and the bottom of the right upper rail side surface are respectively disposed a first left upper rail oblique portion and a first right upper rail oblique portion inclining outwardly and downwardly from the bottom of the left upper rail side surface and the bottom of the right upper rail side surface, a second left upper rail oblique portion and a second right upper rail oblique portion inclining outwardly and upwardly from the outer edge of the first left upper rail oblique portion and the outer edge of the first right upper rail oblique portion, a third left upper rail oblique portion and a third right upper rail oblique portion inclining inwardly and upwardly from the outer edge of the second left upper rail oblique portion and the outer edge of the second right upper rail oblique portion and
  • an arc transition is respectively adopted between the left upper rail side surface and the first left upper rail oblique portion, between the first left upper rail oblique portion and the second left upper rail oblique portion, between the second left upper rail oblique portion and the third left upper rail oblique portion and between the third left upper rail oblique portion and the fourth left upper rail oblique portion; wherein an arc transition is also respectively adopted between the right upper rail side surface and the first right upper rail oblique portion, between the first right upper rail oblique portion and the second right upper rail oblique portion, between the second right upper rail oblique portion and the third right upper rail oblique portion and between the third right upper rail oblique portion and the fourth right upper rail oblique portion; wherein the upper tooth windows are disposed on both the left upper rail side surface and the right upper rail side surface, the upper tooth window disposed on the left upper rail side surface being the left upper tooth window, the upper tooth window disposed on the right upper rail side surface
  • the lower rail comprises a bottom lower rail surface and a left lower rail side surface and a right lower rail side surface on the two sides of the axis of the bottom lower rail surface, on the top of the left lower rail side surface and the right lower rail side surface are respectively disposed a left lower rail horizontal portion and a right lower rail horizontal portion extending horizontally and inwardly and a left lower rail gusset and a right lower rail gusset extending downwardly from the inner edge of the left lower rail horizontal portion and the right lower rail horizontal portion; wherein the lower tooth windows are respectively disposed at both the left lower rail gusset and the right lower rail gusset, the lower tooth window disposed at the left lower rail gusset being the left lower tooth window, the lower tooth window disposed at the right lower rail gusset being the right lower tooth window, an opening of the left lower tooth window and an opening of the right lower tooth window being at the lower edge of the left lower rail gusset and the right lower rail gusset.
  • the lock tooth portion disposed on the lock piece on the left side of the central axis of the lock member is the left lock tooth portion
  • the lock tooth portion disposed on the lock piece on the right side of the central axis of the lock member is the right lock tooth portion
  • the number of the left lock tooth portions is equal to the number of the left upper tooth windows
  • the number of the right lock tooth portions is equal to the number of the right upper tooth windows.
  • the left upper rail side surface of the upper rail and the right upper rail side surface of the upper rail are between the left lower rail gusset of the lower rail and the right lower rail gusset of the lower rail
  • the first left upper rail oblique portion, the first right upper rail oblique portion, the second left upper rail oblique portion and the second right upper rail oblique portion are respectively below the left lower rail gusset, the right lower rail gusset, the left lower rail horizontal portion and the right lower rail horizontal portion
  • the third left upper rail oblique portion, the third right upper rail oblique portion, the fourth left upper rail oblique portion and the fourth right upper rail oblique portion are respectively located on the outer side of the left lower rail gusset and the right lower rail gusset, on the inner side of the left lower rail side surface and the right lower rail side surface, and below the left lower rail horizontal portion and the right lower rail horizontal portion.
  • the restoring spring and the lock member are disposed in the space defined by the top upper rail surface, the left upper rail side surface, the right upper rail side surface, and the bottom lower rail surface; wherein the left lock tooth portion on the lock piece at the back of the lock member inserts into the left upper tooth window and the left lower tooth window in the locked state, and the right lock tooth portion inserts into the right upper tooth window and the right lower tooth window in the locked state.
  • a flange portion folding downwardly is formed by stamping on the top upper rail surface of the upper rail, the flange portion is on the back side of the circular rotating boss and contacts therewith; the axial movement of the circular rotating boss of the lock member is limited through the engagement between the flange portion and the circular rotating boss.
  • an outwardly projecting boss is directly formed by extrusion at the central-front position of the vertical edge of the lock member; a slot corresponding to the boss is disposed on the left upper rail side surface or the right upper rail side surface having the shaft hole disposed thereon; the boss is embedded into the slot.
  • a handle hole is disposed at the front end of the lock member for inserting an internal unlock handle.
  • a lock piece flange portion folding upwardly is disposed on the lock member close to the lock piece, an opening corresponding to the lock piece flange portion is disposed on the top upper rail surface for the lock piece flange portion to extend out of the top upper rail surface, the lock piece flange portion extends out of the opening.
  • a horizontal unlock flange portion folding backwardly is disposed at the top edge of the lock piece flange portion for providing an unlocking force during external unlocking.
  • the edge of the shaft hole is composed of an upper arc section, a lower arc section, a straight edge, and an oblique edge; wherein the diameter of the upper act section is greater than that of the lower arc section, the upper end and the lower end of the straight edge and the oblique edge transitionally connect with the upper arc section and the lower arc section respectively; wherein the straight edge is on the back side of the circular rotating boss, and the oblique edge is on the front side of the circular rotating boss.
  • the angle between the oblique edge and the radius of the upper arc section and the lower arc section is ⁇ 5°.
  • the lock piece and the body of the lock member are integrally formed in one piece or are connected by laser welding.
  • the restoring spring is a U-shaped spring, a traverse edge of the U-shaped spring is wedged into the restoring spring mounting groove at the front end of the lock member; a first supporting leg of the U-shaped spring is clipped on the inner surface of the left upper rail side surface of the upper rail or the right upper rail side surface of the upper rail by a spring clip disposed thereon, the extremity of a second supporting leg of the U-shaped spring is against the inner surface of the top upper rail surface.
  • the restoring spring is a U-shaped spring
  • a traverse edge of the U-shaped spring is against the inner surface of the top upper rail surface
  • the extremity of a first supporting leg of the U-shaped spring is wedged in the restoring spring mounting groove at the front end of the lock member
  • the extremity of a second supporting leg acts on the lock member
  • the restoring spring is a U-shaped spring
  • a traverse edge of the U-shaped spring is wedged in the restoring spring mounting groove at the front end of the lock member, and two extremities of two supporting legs of the U-shaped spring hook on the left upper rail surface and the right upper rail surface.
  • the restoring spring is a flat spring, one end of the flat spring acts on the lock member and the other end of the flat spring acts on the inner surface of the top upper rail surface.
  • the rail assembly further comprises a left upper rolling member, a right upper rolling member, a left lower rolling member and a right lower rolling member; wherein the left upper rolling member is disposed among the outer surface of the third left upper rail oblique portion, the outer surface of the fourth left upper rail oblique portion, the inner surface of the left lower rail side surface and the inner surface of the left lower rail horizontal portion, the right upper rolling member is disposed among the outer surface of the third right upper rail oblique portion, the outer surface of the fourth right upper rail oblique portion, the inner surface of the right lower rail side surface and the inner surface of the right lower rail horizontal portion; wherein the left lower rolling member is disposed between the outer surface of the second left upper rail oblique portion, the inner surface of the left lower rail side surface and the inner surface of the bottom lower rail surface, and the right lower rolling member is disposed between the outer surface of the second right upper rail oblique portion, the inner surface of the right lower rail side surface and the inner surface of the inner surface of the
  • a left barrier rib and a right barrier rib projecting inwardly are disposed respectively on the left side and the right side of the bottom lower rail surface for respectively preventing the left and right rolling members from sliding out.
  • the left upper rolling member is composed of a left upper front rolling ball, a left upper back rolling ball and a left upper separating bar disposed between the left upper front rolling ball and the left upper back rolling ball
  • the right upper rolling member is composed of a right upper front rolling ball, a right upper back rolling ball and a right upper separating bar disposed between the right upper front rolling ball and the right upper back rolling ball; the number of the left upper front rolling ball, the left upper back rolling ball, the right upper front rolling ball and the right upper back rolling ball is one respectively.
  • the left lower rolling member is composed of a left lower front rolling ball, a left lower back rolling ball and a left lower separating bar disposed between the left lower front rolling ball and the left lower back rolling ball
  • the right lower rolling member is composed of a right lower front rolling ball, a right lower back rolling ball and a right lower separating bar disposed between the right lower front rolling ball and the right lower back rolling ball; the number of the left lower front rolling ball and the right lower front rolling ball is two respectively, and the number of the left lower back rolling ball and the right lower back rolling ball is three respectively.
  • the present invention has the following advantages.
  • the entire lock mechanism merely has one component, i. e. , the lock member.
  • a large portion of the cross-section of the lock member is L-shaped. Compared with the lock member in the shape of a groove, a groove edge is not required. Therefore, the weight of the seat rail assembly is reduced.
  • the lock piece flange portion is direct-formed on the top upper rail surface of the upper rail.
  • the hole shape of the shaft hole on the upper rail is specially designed to further eliminate the front gap and the back gap of the upper rail. The safety problem caused by the seat rail being hit in the front is effectively solved.
  • the lock piece and the body of the lock member are produced through conventional one-piece formation or through laser welding, which results in higher strength.
  • the weight of the seat rails is lightened, and the technological competitiveness of the seat rails is provided, and thus the requirements of lightening the components and reducing the cost for vehicle manufacturing are satisfied.
  • Fig. 1 is a schematic exploded diagram of the seat rail assembly of the prior art.
  • Fig. 2 is a schematic exploded diagram of the seat rail assembly of Embodiment 1 of the present invention.
  • Fig. 3 is a schematic diagram illustrating the locked state of the seat rail assembly of Embodiment 1 of the present invention.
  • Fig. 4 is a schematic diagram illustrating the unlocking of the seat rail assembly of Embodiment 1 of the present invention by way of internal unlocking.
  • Fig. 5 is a schematic diagram illustrating the seat rail assembly of Embodiment 1 of the present invention after being unlocked by way of internal unlocking.
  • Fig. 6 is a schematic diagram illustrating the unlocking of the seat rail assembly of Embodiment 1 of the present invention by way of external unlocking.
  • Fig. 7 is a schematic diagram illustrating the seat rail assembly of Embodiment 1 of the present invention after being unlocked by way of external unlocking.
  • Fig. 8 is a schematic diagram illustrating the slide between the upper rail and the lower rail of the seat rail assembly of Embodiment 1 of the present invention.
  • Fig. 9 is a schematic sectional view illustrating the upper rail and the lower rail of the seat rail assembly of Embodiment 1 of the present invention after assembly.
  • Fig. 10 is a schematic diagram illustrating the lock member of the seat rail assembly of Embodiment 1 of the present invention.
  • Fig. 11 is a schematic diagram illustrating the upper rail of the seat rail assembly of Embodiment 1 of the present invention.
  • Fig. 12 is a perspective view illustrating the lock member and the upper rail of the seat rail assembly of Embodiment 1 of the present invention after assembly.
  • Fig. 13 is a schematic three-dimensional diagram illustrating the lock member and the upper rail of the seat rail assembly of Embodiment 1 of the present invention after assembly.
  • Fig. 14 is a schematic diagram illustrating the lock member and the upper rail of the seat rail assembly of Embodiment 1 of the present invention after assembly.
  • Fig. 15 is a schematic diagram illustrating the engagement between the circular rotating boss of the lock member and the shaft hole of the upper rail of the seat rail assembly of Embodiment 1 of the present invention.
  • Fig. 16 is a schematic diagram illustrating the lock member of the seat rail assembly of Embodiment 2 of the present invention.
  • Fig. 17 is a schematic diagram illustrating the restoring spring of the seat rail assembly of Embodiment 3 of the present invention.
  • Fig. 18 is a schematic diagram illustrating the assembly of the restoring spring and the lock member of the seat rail assembly of Embodiment 4 of the present invention.
  • Fig. 19 is a schematic diagram illustrating the assembly of the restoring spring and the lock member of the seat rail assembly of Embodiment 5 of the present invention.
  • Fig. 2 illustrates a seat rail assembly comprising an upper rail 100, a lower rail 200, a restoring spring 300, a left upper rolling member 410, a right upper rolling member 420, a left lower rolling member 510, a right lower rolling member 520 and a lock member 600.
  • the upper rail 100 has a top upper rail surface 110 and a left upper rail side surface 120 and a right upper rail side surface 120a on the two sides of the axis of the top upper rail surface 110.
  • An arc transition is respectively adopted between the left upper rail side surface 120 and the left upper rail oblique portion 121, between the left upper rail oblique portion 121 and the left upper rail oblique portion 122, between the left upper rail oblique portion 122 and the left upper rail oblique portion 123 and between the left upper rail oblique portion 123 and the left upper rail oblique portion 124.
  • An arc transition is also respectively adopted between the right upper rail side surface 120a and the right upper rail oblique portion 121a, between the right upper rail oblique portion 121a and the right upper rail oblique portion 122a, between the right upper rail oblique portion 122a and the right upper rail oblique portion 123a and between the right upper rail oblique portion 123a and the right upper rail oblique portion 124a.
  • left upper tooth windows 125 and four right upper tooth windows 125a are respectively disposed on the left upper rail side surface 120 and the right upper rail side surface 120a.
  • the left upper tooth windows 125 extend from the left upper rail side surface 120, the left upper rail oblique portion 121, the left upper rail oblique portion 122 and the left upper rail oblique portion 123 to the outer edge of the left upper rail oblique portion 124.
  • An opening of the left upper tooth window 125 is at the outer edge of the left upper rail oblique portion 124.
  • the right upper tooth windows 125a extend from the right upper rail side surface 120a, the right upper rail oblique portion 121a, the right upper rail oblique portion 122a and the right upper rail oblique portion 123a to the outer edge of the right upper rail oblique portion 124a.
  • An opening of the right upper tooth window 125a is at the outer edge of the right upper rail oblique portion 124a.
  • a shaft hole 126a is disposed at an appropriate position of the right upper rail side surface 120a between the right upper tooth window 125a and the front end of the right upper rail side surface 120a, and a slot 127a is disposed on the right upper rail side surface at a position close to the front end thereof.
  • a flange portion 111 folding downwardly is formed by stamping on the top upper rail surface 110 at a position close the shaft hole 126a.
  • An opening 112 is disposed on the top upper rail surface 110 between the right upper tooth window 125a and the flange portion 111.
  • Two screw holes 113, 114 are disposed at proper positions of the top upper rail surface 110. Screws pass through the two screw holes 113, 114 and then are fixed on a seat cushion plate such that the upper rail 100 is fixed on the seat cushion plate.
  • the lower rail 200 comprises a bottom lower rail surface 210, a left lower rail side surface 220 and a right lower rail side surface 220a on the two sides of the axis of the bottom lower rail surface 210.
  • a left lower rail horizontal portion 230 and a right lower rail horizontal portion 230a extending horizontally and inwardly, and a left lower rail gusset 240 and a right lower rail gusset 240a extending downwardly from the inner edge of the left lower rail horizontal portion 230 and the right lower rail horizontal portion 230a are disposed at the top of the left lower rail side surface 220 and the right lower rail side surface 220a.
  • a plurality of left lower tooth windows 250 and a plurality of right lower tooth windows 250a are respectively disposed on the left lower rail gusset 240 and the right lower rail gusset 240a.
  • An opening of the left lower tooth window 250 and an opening of the right lower tooth window 250a are at the lower edge of the left lower rail gusset 240 and the right lower rail gusset 240a.
  • the lock member 600 comprises a lock piece 610 disposed at the back end of the lock member 600 and a restoring spring mounting groove 620 disposed at the front end of the lock member 600.
  • the lock piece 610 and the body of the lock member 600 are formed through conventional one-piece formation.
  • a left lock tooth portion and a right lock tooth potion are symmetrically disposed on the lock piece 610 on the two sides of the central axis of the lock member 600.
  • the left lock tooth portion and the right lock tooth potion have four left lock teeth 611 and four right lock teeth 611a respectively.
  • the cross-section of a central portion 630 of the lock member 600 perpendicular to the central axis of the lock member 600 is substantially L-shaped having a bottom edge 631 and a vertical edge 632.
  • An outwardly projecting circular rotating boss 632a directly formed by extrusion is disposed at the centre-back position of the vertical edge 632.
  • the head of the circular rotating boss 632a is a cylindrical surface.
  • Three stiffeners 632b are disposed at the vertical edge 632 of the outer periphery of the circular rotating boss 632a.
  • an outwardly projecting boss 632c is directly formed by extrusion at the central-front position of the vertical edge 632 of the lock member 600.
  • a handle hole 640 is disposed at the front end of the lock member 600 for inserting an internal unlock handle.
  • a lock piece flange portion 650 folding upwardly is disposed on the lock member 600 close to the lock piece 610.
  • a horizontal unlock flange portion 651 folding backwardly is disposed at the top edge of the lock piece flange portion 650.
  • the restoring spring 300 of the present embodiment is a U-shaped spring, having a traverse edge 310 and two supporting legs 320, 330.
  • the left upper rolling member 410 of the present embodiment is composed of a left upper front rolling ball 411, a left upper back rolling ball 412 and a left upper separating bar 413 disposed between the left upper front rolling ball 411 and the left upper back rolling ball 412.
  • the right upper rolling member 420 of the present embodiment is composed of a right upper front rolling ball 421, a right upper back rolling ball 422 and a right upper separating bar 423 disposed between the right upper front rolling ball 421 and the right upper back rolling ball 422.
  • the left lower rolling member 510 of the present embodiment is composed of two left lower front rolling balls 511, three left lower back rolling balls 512 and a left lower separating bar 513 disposed between the two left lower front rolling balls 511 and the three left lower back rolling balls 512.
  • the right lower rolling member 520 of the present embodiment is composed of two right lower front rolling balls 521, three right lower back rolling balls 522 and a right lower separating bar 523 disposed between the two right lower front rolling balls 521 and the three right lower back rolling balls 522.
  • the left upper rail side surface 120 and the right upper rail side surface 120a of the upper rail 100 are between the left lower rail gusset 240 and the right lower rail gusset 240a of the lower rail 200.
  • the left upper rail oblique portion 121 and the right upper rail oblique portion 121a, and the left upper rail oblique portion 122 and the right upper rail oblique portion 122a are below the left lower rail gusset 240 and the right lower rail gusset 240a, and the left lower rail horizontal portion 230 and the right lower rail horizontal portion 230a respectively.
  • the left upper rail oblique portion 123 and the right upper rail oblique portion 123a, and the left upper rail oblique portion 124 and the right upper rail oblique portion 124a are respectively disposed on the outer side of the left lower rail gusset 240 and the right lower rail gusset 240a, on the inner side of the left lower rail side surface 220 and the right lower rail side surface 220a, and below the left lower rail horizontal portion 230 and the right lower rail horizontal portion 230a.
  • the left upper rolling member 410 is disposed among the outer surface of the left upper rail oblique portion 123, the outer surface of the left upper rail oblique portion 124, the inner surface of the left lower rail side surface 220, and the inner surface of the left lower rail horizontal portion 230.
  • the right upper rolling member 420 is disposed among the outer surface of the right upper rail oblique portion 123a, the outer surface of the right upper rail oblique portion 124a, the inner surface of the right lower rail side surface 220a, and the inner surface of the right lower rail horizontal portion 230a.
  • the left lower rolling member 510 is disposed between the outer surface of the left upper rail oblique portion 122, the inner surface of the left lower rail side surface 220 and the inner surface of the bottom lower rail surface 210.
  • the right lower rolling member 520 is disposed between the outer surface of the right upper rail oblique portion 122a, the inner surface of the right lower rail side surface 220a and the inner surface of the bottom lower rail surface 210.
  • a left barrier rib 211 and a right barrier rib 211a projecting inwardly are disposed respectively on the left side and the right side of the bottom lower rail surface 210 for respectively preventing the left and right rolling members 510, 520 from sliding out.
  • the restoring spring 300 and the lock member 600 are disposed in the space defined by the top upper rail surface 110, the left upper rail side surface 120, the right upper rail side surface 120a and the bottom lower rail surface 210.
  • the circular rotating boss 632a of the lock member 600 is embedded into the shaft hole 126a on the right upper rail side surface 120a of the upper rail 100.
  • the circular rotating boss 632a and the shaft hole 126a constitute a rotating point by mutual slide such that the lock member 600 may move up and down in rotational motion around the rotating point, thereby the upper rail 100 and the lower rail 200 are locked or unlocked.
  • the flange portion 111 of the top upper rail surface 110 contacts with the front side of the circular rotating boss 632a.
  • the axial movement of the circular rotating boss 632a of the lock member 600 is limited through the engagement between the flange portion 111 and the circular rotating boss 632a.
  • the boss 632c of the lock member 600 is embedded into the slot 127a on the right upper rail side surface 120a of the upper rail 100. Refer to Fig. 14 particularly. Because of the presence of the boss 632c, when a downward force F3 is imposed on the front end of the lock member 600 by accident, at this time the rotating point of the lock member 600 moves from the circular rotating boss 632a to the boss 632c. The arm of the force F3 acting on the lock member 600 decreases significantly, and the torque significantly becomes smaller.
  • lock piece flange portion 650 and the horizontal unlock flange portion 651 of the lock member 600 extend out of the opening 112 of the top upper rail surface 110.
  • the traverse edge 310 of the restoring spring 300 is wedged in the restoring spring mounting groove 620 at the front end of the lock member 600.
  • a supporting leg of the restoring spring 300 is clipped on the inner surface of the left upper rail side surface 120 of the upper rail 100 by spring clips 121, 122 disposed on the inner surface of the left upper rail side surface 120 of the upper rail 100.
  • the extremity of the supporting leg 330 of the restoring spring 300 is against the inner surface of the top upper rail surface 110.
  • the four left lock teeth 611 of the left lock tooth portion extend out of the four left upper tooth windows 125 on the left upper rail side surface 120 of the upper rail 100 and the four left lower tooth windows 250 of the left lower rail gusset 240 of the lower rail 200.
  • the four right lock teeth 611a of the right lock tooth portion extend out of the four right upper tooth windows 125a on the right upper rail side surface 120a of the upper rail 100 and the four right lower tooth windows 250a of the right lower rail gusset 240a of the lower rail 200. Whether the lock is in place may be observed through the lock piece flange portion 650 of the lock member 600.
  • the unlock handle 700 inserts into the handle hole 640 at the front end of the lock member 600.
  • An external force F is imposed on the unlock handle 700 for unlocking.
  • the lock member 600 overcomes the resilience of the restoring spring 300 to rotate around the rotating point constituted by the circular rotating boss 632a on the vertical edge 632 and the shaft hole 126a on the right upper rail side surface 120a of the upper rail 100 such that the four left lock teeth 611 and the four right lock teeth 611a on the lock piece 610 at the back end of the lock member 600 gradually leave the four left upper tooth windows 125, the four left lower tooth windows 250, the four right upper tooth windows 125a and the four right lower tooth windows 250a respectively to achieve unlocking (as shown in Fig. 5) .
  • the unlocking angle of the entire lock member 600 is 6°.
  • the external unlock handle 800 comprises an unlock operating rod 810, a synchronization rod 820, and an unlock plate 830 fastened at the two ends of the synchronization rod 820.
  • the unlock plate 830 is L-shaped.
  • the vertical edge 831 and the synchronization rod 820 are fixedly connected.
  • the traverse edge 832 has a unlock hook 832a.
  • the unlock hook 832a hooks on the horizontal unlock flange portion 651 of the lock piece flange portion 650 of the lock member 600.
  • the synchronization rod 820 is rotatably supported on the unlock support 900.
  • an external force F1 is imposed upwardly on the unlock operating rod 810.
  • the unlock operating rod 810 drives the synchronization rod 820 to rotate around the axis of its own.
  • the unlock plate 830 is driven to flip upwardly.
  • the unlock plate 830 imposes a downward force F2 on the horizontal unlock flange portion 651 of the lock piece flange portion 650 of the lock member 600 through the unlock hook 832a thereon.
  • the horizontal unlock flange portion 651 drives the lock member 600 to overcome the resilience of the restoring spring 300 to rotate around the rotating point constituted by the circular rotating boss 632a and the shaft hole 126a on the right upper rail side surface 120a of the upper rail 100 through the lock piece flange portion 650, such that the four left lock teeth 611 and the four right lock teeth 611a on the lock piece 610 at the back of the lock member 600 gradually leave the four left upper tooth windows 125, the four left lower tooth windows 250, the four right upper tooth windows 125a and the four right lower tooth windows 250a respectively to achieve unlocking (as shown in Fig. 7) .
  • the unlocking angle of the entire lock member 600 is 6°.
  • the edge of the shaft hole 126a of the present embodiment is composed of an upper arc section 126a1, a lower arc section 126a2, a straight edge 126a3 and an oblique edge 126a4.
  • the diameter of the upper act section 126a1 is greater than that of the lower arc section 126a2.
  • the upper end and the lower end of the straight edge 126a3 and the oblique edge 126a4 transitionally connect with the upper act section 126a1 and the lower act section 126a2 respectively.
  • the straight edge 126a3 is on the back side of the circular rotating boss 632a
  • the oblique edge 126a4 is on the front side of the circular rotating boss 632a.
  • the angle between the oblique edge 126a4 and a radius126a5 of the upper arc section 126a1 and the lower arc section126a2 is ⁇ 5°.
  • the difference between the lock member 600a of this embodiment and the lock member 600 of Embodiment 1 is that the body of the lock member 600a is connected with a lock piece 610a by laser welding. Because of the high strength requirement of the lock piece 610a, it can be made of material of relatively high strength. The body of the lock member 600a is mainly for transmission, and thus its strength requirement is lower. Therefore, the lock member 600a can be made of material of relatively low strength. By way of connecting the two components through laser welding, an increase in the usage efficiency of the materials at a reduced cost is achieved.
  • the restoring spring 300a of this embodiment is a flat spring. One end of the flat spring acts on the lock member 600, and the other end of the flat spring acts on the inner surface of the top upper rail surface of the upper rail (not shown) .
  • the restoring spring 300b of this embodiment is a U-shaped spring.
  • a traverse edge 310b of the U-shaped spring is against the inner surface of the top upper rail surface of the upper rail (not shown) .
  • the extremity of a supporting leg 320b of the U-shaped spring is wedged in the restoring spring mounting groove 320 at the front end of the lock member 300, and the extremity of a supporting leg 330b acts on the lock member 600.
  • the restoring spring 300c of this embodiment is a U-shaped spring.
  • a traverse edge 310c of the U-shaped spring is wedged in the restoring spring mounting groove 620 at the front end of the lock member 600, and two extremities of two supporting legs 320c, 330c of the U-shaped spring hook on the left upper rail surface and the right upper rail surface of the upper rail (not shown) .
  • Coil spring portions 321c, 331c are disposed between the two supporting legs 320c, 330c.

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

Abstract

L'invention porte sur un ensemble de rails de siège, lequel ensemble comprend un rail supérieur (100), un rail inférieur (200), un ressort de rappel (300, 300a, 300b, 300c) et un élément de verrou (600, 600a), le rail supérieur (100) étant disposé sur le rail inférieur (200), au moins une fenêtre de dent supérieure (125, 125a) disposée sur le rail supérieur (100), des fenêtres de dent inférieures (250, 250a) disposées sur le rail inférieur (200), le nombre des fenêtres de dent inférieures (250, 250a) étant supérieur à celui des fenêtres dent supérieures (125, 125a), le ressort de rappel (300) et l'élément de verrou (600, 600a) étant disposés entre le rail supérieur (100) et le rail inférieur (200), et une protubérance rotative circulaire faisant saillie vers l'extérieur (632a) formée directement par extrusion, disposée dans la position centrale de l'élément de verrou (600, 600a) ; un trou d'arbre (126a) correspondant à la protubérance rotative circulaire (632a) est disposé sur le rail supérieur (100), la protubérance rotative circulaire (632a) étant incorporée dans le trou d'arbre (126a), la protubérance rotative circulaire (632a) et le trou d'arbre (126a) constituant un point de rotation par coulissement mutuel, l'élément de verrou (600, 600a) pivotant autour du point de rotation pendant le processus de verrouillage et de déverrouillage. Au moyen des solutions techniques ci-dessus, le poids de rails de siège est allégé, et la compétitivité technologique des rails de siège est assurée, et, par conséquent, les exigences pour alléger les composants et réduire le coût de fabrication de véhicules sont satisfaites.
PCT/CN2015/081137 2014-06-11 2015-06-10 Ensemble de rails de siège WO2015188746A1 (fr)

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CN201420310423.9U CN203920477U (zh) 2014-06-11 2014-06-11 一种座椅滑轨组件
CN201420310423.9 2014-06-11

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CN107599897A (zh) * 2017-09-12 2018-01-19 福建南铝车辆零部件有限公司 一种用于车辆的座椅轨道
IT201900000313A1 (it) * 2019-01-09 2020-07-09 Martur Italy Srl Dispositivo di scorrimento per un sedile di veicolo con una configurazione migliorata delle rotaie

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CN104015634B (zh) * 2014-06-11 2016-05-25 上海延锋江森座椅有限公司 一种座椅滑轨组件
CN203920477U (zh) * 2014-06-11 2014-11-05 上海延锋江森座椅有限公司 一种座椅滑轨组件
CN105805099B (zh) * 2016-04-01 2018-01-16 哈尔滨飞机工业集团有限责任公司 一种飞机驾驶舱遮阳板自锁机构
CN109774544A (zh) * 2019-02-14 2019-05-21 延锋安道拓座椅有限公司 一种电动地滑轨传动系统
CN111671262B (zh) * 2020-06-16 2023-08-01 河海大学常州校区 一种座椅滑动机构

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CN107599897A (zh) * 2017-09-12 2018-01-19 福建南铝车辆零部件有限公司 一种用于车辆的座椅轨道
CN107599897B (zh) * 2017-09-12 2024-02-23 福建省华银铝业有限公司 一种用于车辆的座椅轨道
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TWI717089B (zh) * 2019-01-09 2021-01-21 義大利商瑪圖爾有限公司 具有改良式軌條設計之用於車輛座椅的滑動裝置
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