WO2010125677A1 - Siège escamotable - Google Patents

Siège escamotable Download PDF

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Publication number
WO2010125677A1
WO2010125677A1 PCT/JP2009/058482 JP2009058482W WO2010125677A1 WO 2010125677 A1 WO2010125677 A1 WO 2010125677A1 JP 2009058482 W JP2009058482 W JP 2009058482W WO 2010125677 A1 WO2010125677 A1 WO 2010125677A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
link
seat cushion
lock
lever
Prior art date
Application number
PCT/JP2009/058482
Other languages
English (en)
Japanese (ja)
Inventor
晋士 倉知
友和 五十嵐
Original Assignee
トヨタ車体 株式会社
トヨタ紡織 株式会社
トヨタ自動車 株式会社
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 トヨタ車体 株式会社, トヨタ紡織 株式会社, トヨタ自動車 株式会社 filed Critical トヨタ車体 株式会社
Priority to PCT/JP2009/058482 priority Critical patent/WO2010125677A1/fr
Priority to JP2010503160A priority patent/JP5038485B2/ja
Publication of WO2010125677A1 publication Critical patent/WO2010125677A1/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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3088—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats characterised by the mechanical link
    • B60N2/309—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats characterised by the mechanical link rods
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3002—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements
    • B60N2/3004—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only
    • B60N2/3009—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis
    • B60N2/3011—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis the back-rest being hinged on the cushion, e.g. "portefeuille movement"
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3038—Cushion movements
    • B60N2/3063—Cushion movements by composed movement
    • B60N2/3065—Cushion movements by composed movement in a longitudinal-vertical plane
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3072—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats on a lower level of a multi-level vehicle floor
    • B60N2/3077—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats on a lower level of a multi-level vehicle floor stowed in the luggage compartment
    • B60N2/3079—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats on a lower level of a multi-level vehicle floor stowed in the luggage compartment in a recess

Definitions

  • the present invention relates to a retractable seat that can be brought into a retracted state by tilting a vehicle seat from a use state toward a floor.
  • retractable seats those disclosed in Patent Documents 1 to 3 are known in which the seat is tilted backward from the usage state and stored in the recess of the floor.
  • a retractable seat is often used, for example, as a rearmost seat of a vehicle having three rows of seats.
  • the position of the seat in use is set in front of the concave portion.
  • An object of the present invention is to provide a retractable seat that can adjust the position of the seat in use according to the user's intended use.
  • a seat including a seat cushion and a seat back that is foldably connected to the seat cushion, and a front end of the seat cushion are rotatably attached.
  • a front leg rotatably supported with respect to the vehicle floor, and a rear leg provided at the rear end of the seat cushion and rotatably supported on the vehicle floor;
  • a lock mechanism that locks the rotation of the rear leg relative to the vehicle floor, and selects a storage state stored in the storage space of the vehicle floor and a use state taken out of the storage space by unlocking the lock mechanism
  • a retractable seat that can be provided is provided.
  • the retractable seat connects the rear leg and the seat cushion and is supported by the seat cushion so as to be swingable, and an intermediate link that enables the seat cushion to adjust the position of the seat cushion in the front-rear direction;
  • An angle lock means for selectively locking the swing position of the intermediate link and an angle lock release means for releasing the lock of the angle lock means so as to determine the position of the seat cushion in the front-rear direction, and the angle lock
  • the front and rear positions of the seat cushion can be adjusted by unlocking the means.
  • the position of the seat in use can be adjusted to the front side or the rear side according to the user's intended use.
  • the retractable seat further includes a turning force applying link that applies turning force to the front leg in conjunction with the operation of the rear leg when the seat is changed from the use state to the retracted state. It is preferable that the front leg is folded with respect to the seat cushion due to the application of the turning force.
  • the retractable seat includes a linkage link having a base end rotatably connected to the vehicle floor in the front-rear direction and a tip connected to the seat cushion via a connecting means
  • the connecting means is capable of changing a connecting position between the linkage link and the seat cushion when adjusting the position of the seat cushion in the front-rear direction, and between the use state and the retracted state of the seat, It is preferable that a four-bar link is constituted by a link body composed of a rear leg and an intermediate link integrated by locking of the angle lock means and the linkage link.
  • the seat when the seat is switched between the use state and the storage state, the seat is supported with the four-bar link, so the link mechanism in which the seat cushion is supported only by the linkage link. Compared to the above, the operation locus of the seat can be stabilized. In addition, the operation force of the person when storing the sheets can be applied without waste, and the sheets can be stored smoothly in the storage space. Further, when adjusting the position of the front and rear of the seat, the connecting position between the link link and the seat cushion can be changed by the connecting means, so that the position adjustment of the front and rear of the seat is not hindered.
  • connection means is provided with a connection lock means for locking the connection between the linkage link and the seat cushion when the seat is switched between the use state and the storage state.
  • connection lock means by providing the connection lock means, the connection position between the link link and the seat cushion does not move when switching between the use state and the storage state of the seat.
  • the four-bar link consisting of one link body consisting of the rear leg and the intermediate link and the linkage link has a stable configuration, and can stably switch between the use state and the storage state of the seat, The operating locus of the seat can be stabilized.
  • the retractable seat has a reclining mechanism provided on the seat and capable of changing an inclination of the seat back with respect to the seat cushion, and rotation of the rear leg when the seat is switched from a use state to a retracted state. And an interlocking mechanism for unlocking the reclining mechanism, and when the seat is switched from the use state to the retracted state, the interlocking mechanism unlocks the reclining mechanism, so that the seat back moves forward. It is preferable that the seat cushion is overlaid on the seat cushion.
  • the reclining mechanism is unlocked when the seat is switched from the use state to the retracted state.
  • the seat back can be tilted forward and overlapped with the seat cushion.
  • the reclining mechanism is automatically released and the seat can be in the storage state.
  • the seat includes a seat cushion 10 and a seat back 20.
  • the seat cushion 10 includes a cushion frame 102 that constitutes the framework of the seat cushion 10.
  • the cushion frame 102 is supported on the vehicle floor 100 by a pair of left and right front legs 30 and a pair of left and right rear legs 50 connected to the seat cushion 10 via a pair of intermediate links 40.
  • a lower end portion of each rear leg 50 is coupled to the vehicle floor 100 by a hinge pin 50a in a seat storage recess 100A of the vehicle floor 100 located behind the seat.
  • the seat back 20 can be adjusted by the reclining mechanism 60 with respect to the tilt angle in the front-rear direction, that is, the inclination angle with respect to the vehicle floor 100 with the central axis 62 of the reclining mechanism 60 as a fulcrum. Further, when the reclining mechanism 60 is unlocked, the seat back 20 can be pushed forward and held on the seat cushion 10.
  • the reclining mechanism 60 shown in FIG. 1 specifically connects a cushion frame 102 in the seat cushion 10 and a back frame (not shown) in the seat back 20. Further, as shown in FIGS. 1, 3, and 4, the upper ends of the front leg 30 and the intermediate link 40 are respectively provided on the support shafts 302 with respect to the shaft support pieces 104, 106 provided on the cushion frame 102. , 402 are pivotably and swingably connected in the front-rear direction. A rear leg 50 is connected to the lower end portion of the intermediate link 40 by a connecting shaft 502 so as to be rotatable in the front-rear direction.
  • Anchors 110 and 120 are respectively fixed to the vehicle floor 100 so as to correspond to the lower end portion of the front leg 30 and the middle portion of the rear leg 50.
  • the lower end portion of the front leg 30 and the intermediate portion of the rear leg 50 are locked to the anchors 110 and 120 by the first lock mechanism 70 and the second lock mechanism 80.
  • the upper part of each anchor 110, 120 is formed in an inverted U shape.
  • the second lock mechanism 80 corresponds to a lock mechanism that locks the rotation of the rear leg 50 in the front-rear direction.
  • the first locking mechanism 70 includes a first engagement member 72, a first stopper member 73, a first lock release lever 74, and a first cam follower 75.
  • an engagement groove 32 that can engage with the upper portion of the anchor 110 is provided at the lower end of the front leg 30.
  • the first engagement member 72 is rotatably supported around the shaft 33 with respect to the front leg 30 so as to be positioned in the vicinity of the engagement groove 32 of the front leg 30.
  • the first engagement member 72 is formed with an engagement groove 72 a that can be engaged with the upper portion of the anchor 110.
  • the engagement groove 72a is opened toward the left in FIGS. 9 (a) and 9 (b).
  • the first engagement member 72 includes an engagement position for holding the anchor 110 in the back of the engagement groove 72a and the engagement groove 32, and an anchor as shown in FIG. 9B. 110 is rotated between the engagement groove 72 a and the release position for releasing the engagement groove 32. Further, the first engagement member 72 is biased by a biasing spring (not shown) so as to rotate counterclockwise in FIG. 9A, that is, toward the release position.
  • the first stopper member 73 is fixed to the rotating shaft 34 that is rotatably supported with respect to the front leg 30, and rotates together with the rotating shaft 34.
  • a first engagement protrusion 72 b protrudes from one side surface of the first engagement member 72.
  • the first stopper member 73 abuts against the first engagement protrusion 72 b of the first engagement member 72 disposed at the engagement position, and the first engagement member 72.
  • the stop position for preventing the rotation of the first engagement member 72 to the release position and the contact with the first engagement protrusion 72b are released as shown in FIG. It is possible to rotate between allowable positions that allow rotation.
  • the first stopper member 73 is biased by a biasing spring (not shown) so as to rotate clockwise in FIG. 9A, that is, toward the stop position.
  • the first cam follower 75 is integrally fixed with respect to the rotation shaft 34, and the distal end portion thereof can be slidably contacted with a cam surface 72 c formed on the peripheral surface of the first engagement member 72.
  • the first cam follower 75 is rotatable according to the shape of the cam surface 72c of the first engagement member 72.
  • the first lock release lever 74 is integrally fixed to the rotation shaft 34 and connected to the first cable K1. As shown in FIG. 9A, the first lock release lever 74 is configured such that the first cable 73 is in the state where the first stopper member 73 is in contact with the first engagement protrusion 72 b of the first engagement member 72. When K1 is actuated, it is rotated counterclockwise in FIG. 9 (a). As a result, the first stopper member 73 is rotated counterclockwise together with the first lock release lever 74, whereby the lock of the first stopper member 73 with respect to the first engagement member 72 is released. The unlocking of the first stopper member 73 with respect to the first engaging member 72 corresponds to the unlocking of the first locking mechanism 70.
  • the second lock mechanism 80 includes a second engagement member 82, a second stopper member 83, a second lock release lever 84, a second cam follower 85, and a locking member 86.
  • an engagement groove 52 capable of engaging the upper portion of the anchor 120 is provided in the middle portion of the rear leg 50.
  • the second engagement member 82 is rotatably supported around the shaft 53 with respect to the rear leg 50 so as to be positioned in the vicinity of the engagement groove 52 of the rear leg 50.
  • the second engagement member 82 is formed with an engagement groove 82 a that can be engaged with the upper portion of the anchor 120.
  • the engagement groove 82a is opened upward in FIG.
  • the second engagement member 82 has an engagement position for holding the anchor 120 at the back of the engagement groove 82a and the engagement groove 52, and the engagement groove 82a as shown in FIG. And a release position for releasing from the engaging groove 52.
  • the second engagement member 82 is biased by a biasing spring (not shown) so as to rotate counterclockwise in FIG. 3, that is, toward the release position.
  • the second stopper member 83 is integrally fixed to the rotation shaft 54 that is rotatably supported integrally with the rear leg 50, and rotates together with the rotation shaft 54.
  • a second engagement protrusion 82b protrudes from one side surface of the second engagement member 82. As shown in FIG. 3, the second stopper member 83 abuts against the second engagement protrusion 82 b of the second engagement member 82 disposed at the engagement position, and the release position of the second engagement member 82.
  • the stop position for preventing the second engagement member 82 from rotating and the contact with the second engagement protrusion 82b as shown in FIG. 6 is released, and the second engagement member 82 is allowed to rotate to the release position. It can be rotated between the allowable positions.
  • the second stopper member 83 is biased by a biasing spring (not shown) so as to rotate clockwise in FIG. 3, that is, toward the stop position.
  • the second cam follower 85 is integrally fixed with respect to the rotation shaft 54, and the distal end portion thereof can be slidably contacted with a cam surface 82 c formed on the peripheral surface of the second engagement member 82.
  • the second cam follower 85 rotates in accordance with the shape of the cam surface 82c of the second engagement member 82.
  • the second lock release lever 84 is integrally fixed to the rotation shaft 54 and connected to the second cable K2. As shown in FIG. 5, the second lock release lever 84 has the intermediate link 40 located at the second position and the second stopper member 83 against the second engagement protrusion 82 b of the second engagement member 82. When the second cable K2 is actuated against a biasing force of a biasing spring (not shown) while being in contact, the second cable K2 is rotated counterclockwise as shown in FIG. The second position of the intermediate link 40 will be described later.
  • the locking member 86 is fixed with respect to the rotation shaft 54 and rotates together with the second lock release lever 84.
  • the engagement member 86 is disposed at the engagement position where the tip end portion faces upward as shown in FIG.
  • the angle lock mechanism 90 includes a swing lever 91 that is rotatably supported by a shaft 92 with respect to a substantially central portion in the longitudinal direction of the intermediate link 40.
  • a spring 93 is stretched between the tip of the swing lever 91 and the end of the intermediate link 40 near the connecting shaft 502. Accordingly, the swing lever 91 is biased by the spring 93 so as to rotate counterclockwise in FIGS.
  • an arc-shaped long hole 42 is formed so as to be positioned between the proximal end portion and the distal end portion of the swing lever 91.
  • a pin 94 is fixed to the swing lever 91 so as to be positioned between the base end portion and the tip end portion. The pin 94 is inserted into the long hole 42 of the intermediate link 40 and can move within a range allowed by the long hole 42. That is, the swing lever 91 can swing within a range extending in the longitudinal direction of the long hole 42.
  • a pair of engaging recesses 56 and 57 are formed side by side at the upper end of the rear leg 50 in the front-rear direction.
  • a passage surface 58 is formed between the engagement recesses 56, 57 and is located above the bottom of the engagement recesses 56, 57.
  • the height of the passage surface 58 from the bottom of the engagement recesses 56 and 57 is such that the swing lever 91 is in the anti-engagement direction with the pin 94 engaged with one of the engagement recesses 56 and 57, that is, 3, when the pin 94 moved upward is slidably contacted on the passage surface 55 or moved upward from the passage surface 55 to the other engagement recesses 56 and 57 when swung clockwise. It is set to a height that can be allowed.
  • the front wall forming the engaging recess 56 is extended upward and formed at a height that prevents the pin 94 from moving further forward from the engaging recess 56.
  • the rear wall that forms the engaging recess 56 extends upward and is formed at a height that prevents the pin 94 from moving further rearward from the engaging recess 56.
  • the pin 94 When the pin 94 is positioned at the lower end of the long hole 42, the pin 94 can be selectively engaged with one of the engagement recesses 56 and 57.
  • the intermediate link 40 When the pin 94 is engaged with the engaging recess 56, the intermediate link 40 is regulated by the pin 94 engaged with the lower end of the long hole 42 and disposed at the first position shown in FIG. 3. Further, when the pin 94 is engaged with the engaging recess 57, the intermediate link 40 is regulated by the pin 94 engaged with the lower end of the long hole 42 and is rotated rearward from the first position. It arrange
  • the swing lever 91 When the pin 94 is selectively engaged with either one of the engagement recesses 56 and 57, the swing lever 91 is urged by the spring 93 so that the engagement with the engagement recesses 56 and 57 is achieved. The engaged state is maintained.
  • the position of the sheet when the pin 94 is engaged with the engagement recess 56 is referred to as a front position, and the position of the sheet when the pin 94 is engaged with the engagement recess 57 is referred to as a rear position.
  • An angle lock mechanism 90 is configured by the swing lever 91, the pin 94, the engagement recess 56 of the rear leg 50, and the engagement recess 57.
  • the angle lock mechanism 90 corresponds to angle lock means.
  • the end of the outer tube K3a of the third cable K3 is fixed to the upper side surface of the intermediate link 40. And the front-end
  • a semicircular guide portion 97 is formed around the support shaft 402 so as to be positioned between the tip of the swing lever 91 and the outer tube K3a.
  • the third cable K3 is guided on the outer periphery of the guide portion 97, and the operation direction with respect to the swing lever 91 with respect to the shaft 92 is maintained constant.
  • An interlock part 43 that protrudes downward is provided at the lower end of the intermediate link 40.
  • the interlock portion 43 When the intermediate link 40 is disposed at the first position, the interlock portion 43 is disposed at a position that can be engaged with the retaining member 86 disposed at the retaining position as shown in FIG. The rotation of the member 86 in the counterclockwise direction is prevented, and the release of the anchor 120 of the second lock mechanism 80 is prevented. Further, when the intermediate link 40 is disposed at the rear position, the interlock portion 43 is retracted to a position where it cannot be engaged with the locking member 86 as shown in FIG. And the anchor 120 of the second lock mechanism 80 can be released.
  • connection angle of the intermediate link 40 with respect to the rear leg 50 in the front-rear direction is determined by maintaining the engagement state of the pin 94 with respect to one of the engagement recesses 56 and 57.
  • the rear leg 50 and the intermediate link 40 constitute one link body. That is, in a state where the pin 94 is engaged with the engaging recess 56, the intermediate link 40 falls forward with respect to the rear leg 50 as shown in FIG. 3.
  • the intermediate link 40 falls to the rear side with respect to the rear leg 50 as shown in FIG. 5. In this way, the angle of the intermediate link 40 with respect to the rear leg 50 is adjusted, and two positions of the front position and the rear position on the seat can be selected.
  • the front end portion of the intermediate link 40 and the front leg 30 are connected by a connecting link 98 as a rotation imparting link.
  • the rear end portion of the connection link 98 is coupled to a position in front of the support shaft 402 in the intermediate link 40 by a hinge pin 98 b.
  • a long hole 98 a is formed in the front end portion of the connecting link 98.
  • a pin 30 a is fixed to a portion of the front leg 30 below the support shaft 302.
  • the link 30 is coupled to the front leg 30 by the pin 30a being slidably engaged with the long hole 98a in the longitudinal direction of the connection link 98.
  • the long hole 98a is set to a length that allows the connection link 98 to move so that the intermediate link 40 can be arranged at the first position and the second position, respectively.
  • the linkage link 130 that connects the cushion frame 102 to the vehicle floor 100 is coupled to the vehicle floor 100 by a hinge pin 132 at the lower end of the seat link recess 100A.
  • the linkage link 130 is a single component and is provided so as to be positioned between the pair of left and right rear legs 50 in the present embodiment, but the linkage link 130 is not limited thereto.
  • a link attaching member 133 is fixed to the cushion frame 102. As shown in FIG. 7, the link attaching member 133 has an arc-shaped long hole 133a extending in the front-rear direction, and the upper end of the link link 130 is connected to the long hole 133a via a pin 130a.
  • the pin 130a is slidable in the front-rear direction with respect to the long hole 133a.
  • the long hole 133a of the link attaching member 133 and the pin 130a constitute a connecting means for connecting the link link 130 to the seat cushion 10.
  • the pin 130a of the linkage link 130 is located at the rear end of the long hole 133a as shown in FIG. 7 when the intermediate link 40 is arranged at the first position, and when the intermediate link 40 is arranged at the rear position, as shown in FIG. As shown in FIG. 7, it is located at the front end of the long hole 133a.
  • a lock lever 134 is rotatably supported by a shaft 135 at the front end of the link attachment member 133.
  • the locking lever 134 is restricted from rotating counterclockwise by the engaging piece 134 a provided at the front end engaging the stopper 133 b provided at the front end of the link attaching member 133.
  • An engagement recess 134b is formed on the upper side surface of the lock lever 134, and a pin 130a located at the front end of the long hole 133a can be engaged.
  • the lock lever 134 is urged in a direction to be engaged with the stopper 133b by a spring (not shown) wound around the shaft 135, that is, a direction in which the pin 130a located at the front end of the long hole 133a is locked.
  • the lock lever 134 can hold the pin 130a located at the front end of the long hole 133a in the locked state, and the pin 130a is held in the locked state, whereby the sheet of the linkage link 130 is retained.
  • the connection position with respect to the cushion 10 is locked.
  • the front end surface 134c of the lock lever 134 that crosses the long hole 133a is arranged obliquely with respect to the long hole 133a. Is formed.
  • the pin 130a located at the rear end of the long hole 133a is moved toward the front end, when the pin 130a comes into contact with the front end surface 134c, it resists the biasing force of a spring (not shown) wound around the shaft 135.
  • the lock lever 134 is pressed downward by the pin 130a, and the lock lever 134 is rotated in the clockwise direction.
  • the lock lever 134 is returned to the position shown in FIG. Can be engaged with the engaging recess 134b.
  • the lock lever 134 is connected to the fourth cable K4.
  • the lock lever 134 is rotated clockwise in FIG. 7 by the fourth cable K4 being operated against the urging force of a spring (not shown) wound around the shaft 135.
  • a spring not shown wound around the shaft 135.
  • the lock lever 134 constitutes a connection lock means for locking the connection position between the link link 130 and the seat cushion.
  • an unlocking operation lever 150 is rotatably attached to the front end surface of the seat cushion 10 with a shaft 152 as a fulcrum.
  • the shaft 152 is provided with a return spring (not shown) that returns the unlocking operation lever 150 to a position before the unlocking operation lever 150 is operated when the unlocking operation lever 150 is rotated.
  • the unlocking operation lever 150 can be manually rotated from the front of the seat cushion 10.
  • the fifth cable K5 is connected to the rear side surface of the unlocking operation lever 150, and the fifth cable K5 is activated by the turning operation of the unlocking operation lever 150.
  • a bracket 153 is fixed to the cushion frame 102 as shown in FIG.
  • a relay lever 156 is rotatably attached to the bracket 153 with the shaft 154 as a fulcrum, and an outer tube K5a of the fifth cable K5 is fixed.
  • a spring (not shown) is wound around the shaft 154 of the relay lever 156 and biases the relay lever 156 so as to rotate clockwise in FIG.
  • the relay lever 156 is provided with a plurality of cable attachment ends 157 to 159 as shown in FIG.
  • the fifth cable K5 is connected to the cable attachment end 157 of the relay lever 156.
  • the relay lever 156 is rotated counterclockwise about the shaft 154 by the operation of the fifth cable K5.
  • an unlocking operation lever 160 is rotatably attached to the rear end surface of the seat cushion 10 with a shaft 162 as a fulcrum.
  • the shaft 162 is provided with a return spring (not shown) that returns the lock release lever 160 to a position before the lock release lever 160 is operated when the lock release lever 160 is rotated.
  • the unlocking operation lever 160 can be manually rotated from behind the seat cushion 10.
  • the sixth cable K6 is connected to the front side surface of the unlocking operation lever 160, and the sixth cable K6 is activated by the turning operation of the unlocking operation lever 160.
  • the end of the outer tube K6a of the sixth cable K6 is fixed to the attachment site of the outer tube K5a so as to overlap the outer tube K5a.
  • the outer tube K6a is located below the outer tube K5a, only the symbol K6a is shown in FIG. 10 for convenience of explanation.
  • the sixth cable K6 is coupled to the attachment end 157 of the relay lever 156.
  • the sixth cable K6 is located below the fifth cable K5, for convenience of explanation, only the symbol K6 is shown in FIG.
  • the relay lever 156 is rotated counterclockwise about the shaft 154 by the operation of the sixth cable K6.
  • the end portions of the outer tube K3a of the third cable K3 and the outer tube K4a of the fourth cable K4 are fixed to the portions of the relay lever 156 facing the cable mounting ends 158 and 159, respectively. Yes.
  • the third cable K3 and the fourth cable K4 are respectively activated, and the angle lock mechanism 90 is operated.
  • the lock lever 134 is rotated in the clockwise direction.
  • the lock release operation levers 150 and 160, the fifth cable K5, the sixth cable K6, the relay lever 156, the third cable K3, and the swing lever 91 constitute an angle lock release means.
  • the storage lever 170 disposed on the back side of the seat back 20 is rotatably attached to a back frame (not shown) provided in the seat back 20 with a shaft 172 as a fulcrum. Yes.
  • the storage lever 170 can be manually rotated from behind the seat back 20.
  • An arm member 174 is provided on the shaft 172 that supports the storage lever 170.
  • the arm member 174 rotates together with the storage lever 170 about the shaft 172 by a rotation operation of the storage lever 170.
  • a bracket 173 is fixed to the cushion frame 102 as shown in FIG.
  • a relay lever 176 is rotatably attached to the bracket 173 with a shaft 177 as a fulcrum, and an outer tube K7a of the seventh cable K7 is fixed.
  • a spring (not shown) is wound around the shaft 177 of the relay lever 176, and the relay lever 176 is urged to rotate clockwise in FIG.
  • the relay lever 176 is provided with a plurality of cable attachment ends 178 to 180 as shown in FIG.
  • the seventh cable K ⁇ b> 7 is connected to the cable attachment end 178 of the relay lever 176.
  • the seventh cable K7 is activated by the turning operation of the storage lever 170, the relay lever 176 is turned counterclockwise about the shaft 177.
  • the end portions of the outer tube K1a of the first cable K1 and the outer tube K2a of the second cable K2 are fixed to the portions of the relay lever 176 facing the cable mounting ends 179 and 180, respectively. Yes.
  • the seventh cable K7 is actuated and the relay lever 176 is rotated counterclockwise, the first cable K1 and the second cable K2 are actuated to lock the anchors 110 and 120, respectively. 70 and the second lock mechanism 80 are unlocked.
  • an interlocking mechanism for releasing the lock of the reclining mechanism 60 by rotating the rear leg 50 with respect to the cushion frame 102 will be described.
  • an arm member 63 is provided on the center axis 62 of the reclining mechanism 60.
  • the reclining mechanism 60 is unlocked by rotating the arm member 63 together with the central shaft 62.
  • the lower end portion of the outer tube K8a of the eighth cable K8 is fixed above the hinge pin 50a at the lower end portion of the rear leg 50 in the sheet storage recess 100A.
  • the lower end of the eighth cable K8 is fixed in the vicinity of the hinge pin 50a.
  • a fixing member 181 having a circular cross section is fixed to the vehicle floor 100 so as to be positioned between the hinge pin 50a and the lower end portion of the outer tube K8a in the seat storage recess 100A. Yes.
  • An eighth cable K8 protruding from the lower end portion of the outer tube K8a is disposed so as to contact the front peripheral surface of the fixing member 181.
  • the eighth cable K8 is connected to the outer tube K8a by the fixing member 181. Pulled out from the lower end. The upper end of the eighth cable K8 is connected to the arm member 63 of the reclining mechanism 60, and the lock of the reclining mechanism 60 is released via the arm member 63 by the operation of the eighth cable K8.
  • the eighth cable K8 that connects the arm member 63 of the reclining mechanism 60 and the rear leg 50 corresponds to the interlocking mechanism.
  • the fifth cable K5 or the sixth cable K6 is activated, and the third cable is connected via the relay lever 156 shown in FIG. K3 and the fourth cable K4 are activated.
  • the lock of the angle lock mechanism 90 is released by the operation of the third cable K3, that is, the swing lever 91 shown in FIG. 3 is rotated in the clockwise direction, and the pin 94 is detached from the engagement recess 56. Further, the operation of the fourth cable K4 shown in FIG. 7 moves the lock lever 134 in the clockwise direction, thereby allowing the pin 130a to move to the front end of the long hole 133a.
  • the intermediate link 40 is rotated to the rear side with respect to the rear leg 50 around the connecting shaft 502 by the pin 94. As shown in FIG. 4, the pin 94 passes above the passage surface 58 and moves to above the engaging recess 57.
  • the pin 130a of the linkage link 130 shown in FIG. 7 moves from the position of the rear end of FIG. 7 to the front end in the long hole 133a of the link attaching member 133.
  • the spring (not shown) provided on the shaft 154 of the relay lever 156 and the unlock operation lever 150 or 160 are provided.
  • the respective members (the lock release operation levers 150 and 160, the fifth cable K5, the sixth cable K6, the relay lever 156, the third cable K3, and the fourth cable K4) return to their original positions before the operation. Therefore, the swing lever 91 of the angle lock mechanism 90 shown in FIG. 5 is rotated counterclockwise by the spring 93, and the pin 94 is moved to the engagement recess 57 to be locked.
  • the lock lever 134 is positioned at the front end of the long hole 133a by the biasing force of a spring (not shown) wound around the shaft 135 as the original position before the operation of the fourth cable K4 is restored.
  • the pin 130a to be engaged is inserted into the engaging recess 134b and locked.
  • the connecting link 98 shown in FIG. 1 has a problem in position adjustment because the pin 30a engaged with the long hole 98a is moved from the position shown in FIG. 1 to the front end of the long hole 98a during the position adjustment. None come.
  • the swing lever 91 is rotated counterclockwise by the urging force of the spring 93 to place the pin 94 on the passage surface 58.
  • the intermediate link 40 is rotated rearward with respect to the rear leg 50 around the connecting shaft 502.
  • the swing lever 91 is rotated counterclockwise by the biasing force of the spring 93 as shown in FIG. Engage in the engaging recess 57.
  • the lock of the angle lock mechanism 90 is released, that is, the swing lever 91 shown in FIG. 5 is rotated in the clockwise direction, and the pin 94 is detached from the engagement recess 57.
  • the operation of the fourth cable K4 shown in FIG. 8 causes the lock lever 134 to move in the clockwise direction, and is arranged at the position indicated by the two-dot chain line in FIG. Allow.
  • the intermediate link 40 is rotated to the front side with respect to the rear leg 50 around the connecting shaft 502.
  • the pin 94 passes over the passage surface 58 and moves over the engagement recess 56.
  • the pin 130 a of the linkage link 130 shown in FIG. 8 moves from the front end to the rear end of the long hole 133 a of the link attaching member 133 without interfering with the lock lever 134.
  • a spring (not shown) provided on the shaft 154 of the relay lever 156 and a return provided on the unlocking operation levers 150 and 160, respectively.
  • Each member (the lock release operation levers 150 and 160, the fifth cable K5, the sixth cable K6, the relay lever 156, the third cable K3, and the fourth cable K4) is returned to the original position by the spring.
  • the swing lever 91 of the angle lock mechanism 90 is rotated counterclockwise by the spring 93, and the pin 94 is moved to the engagement recess 56 to be locked.
  • connecting link 98 only has to move the pin 30a engaged with the long hole 98a from the position shown in FIG. never come.
  • FIG. 5 when the sheet is in the use state in which the sheet is disposed at the rear position P2, the sheet can be changed from the use state to the stored state. That is, when the seat is located at the rear position P2, as shown in FIG. 5, the interlock portion 43 of the intermediate link 40 is retracted to a position where it cannot be engaged with the locking member 86, and The rotation in the clockwise direction is permitted, and the anchor 120 of the second lock mechanism 80 can be released.
  • the reclining mechanism 60 is unlocked when the eighth cable K ⁇ b> 8 is pulled and operated according to the rotation amount of the rear leg 50. Therefore, as shown in FIG. 16, the seat back 20 can be folded forward and overlapped on the seat cushion 10.
  • the seat is stored in the seat storage recess 100 ⁇ / b> A of the vehicle floor 100 by the weight of the seat and the user's operating force, as shown in FIG. 17.
  • the operation force for tilting the seat back 20 and the weight of the seat are utilized by tilting the seat back 20 forward during the operation of tilting the seat from the use state to the retracted state.
  • the sheet can be stored in the recess 66A as it is. For this reason, in this embodiment, it is not necessary to perform the unlocking of the reclining mechanism 60 depending on the operating force of the storage lever 170.
  • the seat cushion 10 is supported with respect to the vehicle floor 100 by the four-bar linkage mechanism including the rear leg 50 and the linkage link 130, when the seat is brought down from the use state of FIG. 15 to the retracted state of FIG. The operation trajectory of is stabilized.
  • the retractable seat of the present embodiment includes a seat cushion 10 and a seat back 20 connected to the seat cushion 10 so as to be foldable.
  • a front leg 30 rotatably attached to the front end of the seat cushion 10 is supported so as to be rotatable and detachable with respect to the vehicle floor 100.
  • a rear leg 50 provided at the rear end of the seat cushion 10 is rotatably supported on the vehicle floor 100. Further, the rear leg 50 is provided with a second lock mechanism 80 as a lock mechanism for locking the rotation of the rear leg 50 with respect to the vehicle floor 100.
  • the seat By releasing the lock of the second lock mechanism 80, the seat can be selectively set between a storage state stored in the seat storage recess 100A as a storage space of the vehicle floor 100 and a use state taken out from the seat storage recess 100A. It is.
  • an intermediate link 40 is connected between the rear leg 50 and the seat cushion 10 so that the position of the seat cushion 10 in the front-rear direction can be adjusted.
  • the intermediate link 40 includes an angle lock mechanism 90 as an angle lock unit that selectively locks the intermediate link 40 at a first position and a second position, which are forward and rearward swing positions.
  • the retractable seat is provided with an angle lock release means for releasing the lock of the angle lock mechanism 90, and the front and rear positions of the seat cushion 10 can be adjusted by unlocking the angle lock mechanism 90 by the angle lock release means.
  • the front and rear positions of the seat cushion 10 can be adjusted by unlocking the angle lock mechanism 90, so the seat position is adjusted to the front side or the rear side according to the user's intended use. can do.
  • the sheet can be taken out from the sheet storage recess 100A and placed on the front side.
  • the seat can be disposed on the rear side.
  • the retractable seat of the present embodiment has a connecting link 98 as a turning force application link that applies turning force to the front leg 30 in conjunction with the operation of the rear leg 50 when the seat is changed from the use state to the storage state. Is provided.
  • the front leg 30 is folded with respect to the seat cushion 10 by applying the turning force of the connecting link 98.
  • the front leg 30 when the seat is changed from the use state to the retracted state, the front leg 30 can be automatically folded with respect to the seat cushion 10 by applying the turning force to the front leg 30 of the connecting link 98.
  • the retractable seat of the present embodiment has a base end connected to the vehicle floor 100 so as to be rotatable in the front-rear direction, and a front end connected to the seat cushion 10 via a connecting means.
  • a link 130 is provided.
  • This connecting means is constituted by a long hole 133a of the link attaching member 133 and a pin 130a.
  • the connecting means can change the connecting position between the link link 130 and the seat cushion 10 when the position of the seat cushion 10 is adjusted.
  • the link body composed of the rear leg 50 and the intermediate link 40 integrated by the lock of the angle lock mechanism 90 and the link link 130, 4 A clause link is constructed. Section 4 corresponds to the hinge pin 132, the hinge pin 50a, the support shaft 402, and the pin 130a shown in FIG.
  • the operation locus of the seat is stabilized. Can do.
  • the operation force of the user when storing the sheet can be applied to the sheet without waste, and the sheet can be stored smoothly in the sheet storage recess 100A.
  • the connecting position of the seat cushion 10 and the linkage link 130 by the connecting means formed by the long hole 133a of the link attaching member 133 and the pin 130a can be changed. The position adjustment before and after will not be hindered.
  • the connecting means including the long hole 133a of the link attaching member 133 and the pin 130a has a linkage link when switching between the use state and the storage state of the sheet.
  • a lock lever 134 is provided as a connection lock means for locking the connection position between the seat cushion 10 and the seat cushion 10.
  • the connection position between the linkage link 130 and the seat cushion 10 does not move when switching between the use state and the storage state of the seat.
  • the four-bar link including one link body including the rear leg 50 and the intermediate link 40 and the link link 130 has a stable configuration, and the switching between the use state and the storage state of the seat is stable. The operation can be performed while the seat is supported by the link, and the operation locus of the seat can be stabilized.
  • the retractable seat includes a reclining mechanism 60 that can change the tilt angle of the seat back 20 with respect to the seat cushion 10.
  • the retractable seat also includes an interlocking mechanism that releases the lock of the reclining mechanism 60 by the rotation of the rear leg 50 when the seat is switched from the use state to the retracted state.
  • the interlocking mechanism includes an eighth cable K8 that connects the arm member 63 of the reclining mechanism 60 and the rear leg 50.
  • the reclining mechanism 60 when the seat is switched from the use state to the retracted state, the reclining mechanism 60 is unlocked, so that the seat back 20 can be tilted forward and overlapped with the seat cushion 10. As a result, it is not necessary for the user to directly perform the release operation of the reclining mechanism 60, and the reclining mechanism 60 is automatically released when the seat is switched from the use state to the storage state.
  • the rear leg and the intermediate link become one link in a state in which the angle is locked by the angle lock mechanism 90.
  • the one link and the link link constitute a four-bar link.
  • a damper such as a pneumatic damper or a hydraulic damper may be connected between the longitudinal intermediate portion of the seat cushion and the vehicle floor. Even in this case, the operation locus of the seat can be stabilized, the operation force of the person at the time of storing the seat can be applied without waste, and the seat can be smoothly stored in the storage space. .
  • the two engagement recesses 56 and 57 are provided at the upper end of the rear leg 50, but three or more engagement recesses may be provided side by side in the front-rear direction.
  • a passage surface corresponding to the passage surface 58 is formed between the engagement recesses so that the pin 94 can pass therethrough. In this way, it is possible to adjust the seat front-rear adjustment position to three or more, and it is possible to finely adjust the user's favorite position adjustment.
  • the storage space is formed by the sheet storage recess 100A, but the storage space is not limited to the recess, and may be any space that can store a folded sheet.
  • the lock lever 134 as the connection lock means determines the connection position between the link link 130 and the seat cushion 10 when the pin 130a is positioned at the front end of the long hole 133a.
  • the sheet is switched between the use state and the storage state in a state where the connection position is fixed. Further, when the sheet is disposed at the rear position, the sheet can be switched from the use state to the storage state.
  • a lock lever 134 as a connection locking means may be provided at the rear end of the link attaching member 133.
  • the lock lever 134 determines the connection position between the linkage link 130 and the seat cushion 10. If comprised in this way, when a sheet

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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 une patte arrière (50) d'un coussin de siège (10) qui comporte un second mécanisme de verrouillage (80) pour verrouiller le pivotement de la patte arrière (50) par rapport à un plancher de véhicule (100). Un siège peut être établi sélectivement dans un état escamoté dans lequel le siège est escamoté dans une cavité de stockage de siège (100A) par libération du second mécanisme de verrouillage (80) et dans un état d'utilisation dans lequel le siège est hors de la cavité de stockage de siège (100A). Une liaison intermédiaire (40) pour permettre le réglage de la position du coussin de siège (10) dans la direction d'avant en arrière est reliée entre la patte arrière (50) et le coussin de siège (10). La liaison intermédiaire (40) comporte un mécanisme de verrouillage d'angle (90) pour verrouiller sélectivement la position de basculement dans la direction d'avant en arrière du coussin de siège (10). Le siège escamotable comporte un moyen de libération de verrou d'angle pour libérer le mécanisme de verrouillage d'angle (90). La position dans la direction d'avant en arrière du coussin de siège (10) peut être réglée par libération du mécanisme de verrouillage d'angle (90) par le moyen de libération de verrou d'angle.
PCT/JP2009/058482 2009-04-30 2009-04-30 Siège escamotable WO2010125677A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2009/058482 WO2010125677A1 (fr) 2009-04-30 2009-04-30 Siège escamotable
JP2010503160A JP5038485B2 (ja) 2009-04-30 2009-04-30 格納式シート

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/058482 WO2010125677A1 (fr) 2009-04-30 2009-04-30 Siège escamotable

Publications (1)

Publication Number Publication Date
WO2010125677A1 true WO2010125677A1 (fr) 2010-11-04

Family

ID=43031839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/058482 WO2010125677A1 (fr) 2009-04-30 2009-04-30 Siège escamotable

Country Status (2)

Country Link
JP (1) JP5038485B2 (fr)
WO (1) WO2010125677A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2972148A1 (fr) * 2011-03-03 2012-09-07 Ct D Etude Et De Rech Automobile Cera Siege de vehicule automobile
EP2723610A1 (fr) * 2011-06-23 2014-04-30 Magna Seating Inc. Ensemble siège escamotable dans le plancher
WO2014104363A1 (fr) * 2012-12-28 2014-07-03 テイ・エス テック株式会社 Siège de véhicule
JP2014141240A (ja) * 2012-12-28 2014-08-07 Ts Tech Co Ltd 車両用シート
WO2014171454A1 (fr) * 2013-04-16 2014-10-23 テイ・エス テック株式会社 Siège de véhicule
US20150329019A1 (en) * 2012-12-28 2015-11-19 Ts Tech Co., Ltd. Vehicle seat
US10336222B2 (en) 2016-06-23 2019-07-02 Magna Seating Inc Stow-in-floor seat assembly with pitched easy entry position
CN110758199A (zh) * 2019-11-11 2020-02-07 延锋安道拓座椅有限公司 一种具有多连杆收起机构的座椅骨架
CN112109608A (zh) * 2019-08-30 2020-12-22 上汽通用五菱汽车股份有限公司 折叠收纳座椅及汽车
CN113147538A (zh) * 2021-04-02 2021-07-23 贵州华阳汽车零部件有限公司 一种汽车及其多连杆折叠座椅

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6287286B2 (ja) 2014-02-06 2018-03-07 アイシン精機株式会社 車両用シート装置

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JPH07144564A (ja) * 1993-11-24 1995-06-06 Aisin Seiki Co Ltd 車両用格納シート
JPH1148840A (ja) * 1997-07-31 1999-02-23 Mazda Motor Corp 車両用シート構造
JP2006264582A (ja) * 2005-03-25 2006-10-05 Aisin Seiki Co Ltd 支持構造および格納シート
JP2008062740A (ja) * 2006-09-06 2008-03-21 Toyota Boshoku Corp 格納式シート

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH07144564A (ja) * 1993-11-24 1995-06-06 Aisin Seiki Co Ltd 車両用格納シート
JPH1148840A (ja) * 1997-07-31 1999-02-23 Mazda Motor Corp 車両用シート構造
JP2006264582A (ja) * 2005-03-25 2006-10-05 Aisin Seiki Co Ltd 支持構造および格納シート
JP2008062740A (ja) * 2006-09-06 2008-03-21 Toyota Boshoku Corp 格納式シート

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2972148A1 (fr) * 2011-03-03 2012-09-07 Ct D Etude Et De Rech Automobile Cera Siege de vehicule automobile
US9302600B2 (en) 2011-06-23 2016-04-05 Magna Seating Inc Stow-in-floor seat assembly
EP2723610A1 (fr) * 2011-06-23 2014-04-30 Magna Seating Inc. Ensemble siège escamotable dans le plancher
EP2723610A4 (fr) * 2011-06-23 2015-01-14 Magna Seating Inc Ensemble siège escamotable dans le plancher
WO2014104363A1 (fr) * 2012-12-28 2014-07-03 テイ・エス テック株式会社 Siège de véhicule
JP2014141240A (ja) * 2012-12-28 2014-08-07 Ts Tech Co Ltd 車両用シート
US9789793B2 (en) 2012-12-28 2017-10-17 Ts Tech Co., Ltd. Vehicle seat
CN104884299A (zh) * 2012-12-28 2015-09-02 提爱思科技股份有限公司 车用座椅
US20150329019A1 (en) * 2012-12-28 2015-11-19 Ts Tech Co., Ltd. Vehicle seat
CN104884299B (zh) * 2012-12-28 2017-08-04 提爱思科技股份有限公司 车用座椅
WO2014171454A1 (fr) * 2013-04-16 2014-10-23 テイ・エス テック株式会社 Siège de véhicule
CN105142974A (zh) * 2013-04-16 2015-12-09 提爱思科技股份有限公司 车用座椅
CN105142974B (zh) * 2013-04-16 2017-08-11 提爱思科技股份有限公司 车用座椅
JP2014208506A (ja) * 2013-04-16 2014-11-06 テイ・エス テック株式会社 車両用シート
US10336222B2 (en) 2016-06-23 2019-07-02 Magna Seating Inc Stow-in-floor seat assembly with pitched easy entry position
CN112109608A (zh) * 2019-08-30 2020-12-22 上汽通用五菱汽车股份有限公司 折叠收纳座椅及汽车
CN110758199A (zh) * 2019-11-11 2020-02-07 延锋安道拓座椅有限公司 一种具有多连杆收起机构的座椅骨架
CN113147538A (zh) * 2021-04-02 2021-07-23 贵州华阳汽车零部件有限公司 一种汽车及其多连杆折叠座椅

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JPWO2010125677A1 (ja) 2012-10-25

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