WO2017022738A1 - Siège de véhicule - Google Patents

Siège de véhicule Download PDF

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Publication number
WO2017022738A1
WO2017022738A1 PCT/JP2016/072599 JP2016072599W WO2017022738A1 WO 2017022738 A1 WO2017022738 A1 WO 2017022738A1 JP 2016072599 W JP2016072599 W JP 2016072599W WO 2017022738 A1 WO2017022738 A1 WO 2017022738A1
Authority
WO
WIPO (PCT)
Prior art keywords
side frame
hole
buckle
vehicle seat
reinforcing bracket
Prior art date
Application number
PCT/JP2016/072599
Other languages
English (en)
Japanese (ja)
Inventor
広 馬場
健一 新妻
亘 本田
祐貴 細川
Original Assignee
テイ・エス テック株式会社
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 テイ・エス テック株式会社 filed Critical テイ・エス テック株式会社
Publication of WO2017022738A1 publication Critical patent/WO2017022738A1/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
    • 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
    • B60N2/68—Seat frames

Definitions

  • the present invention relates to a vehicle seat, and more particularly, to a vehicle seat in which the rigidity of a mounting portion such as a buckle is increased.
  • a side frame of a seat cushion frame constituting the vehicle seat has an uneven shape (see, for example, Patent Document 1). More specifically, for example, an operation knob is attached to the side surface of the side frame of the seat cushion frame described in Patent Document 1 for seat height adjustment. In order to suppress the protrusion of the operation knob in the seat width direction, a concave portion is formed in a portion of the side frame where the operation knob is attached.
  • the seat cushion frame described in Patent Document 1 can be made compact by suppressing the protrusion of the operation knob due to the formation of the recess, but the rigidity may be lowered due to a thinned portion. It was.
  • a portion for attaching a buckle or an anchor constituting a seat belt device in the seat cushion frame requires rigidity for stably functioning the seat belt.
  • the three-point fixed type of seat belt device is generally configured such that one end of the seat belt can be pulled out from the retractor, and the other end of the seat belt is fixed to a seat or a pillar of a vehicle body frame by an anchor.
  • the seated person pulls the tongue provided between them, attaches the tongue to the buckle fixed to the seat, and wears the seat belt.
  • a downward load is generated on the seat through the seated person from the webbing between the anchor and the buckle due to the retracting by the retractor.
  • a weight sensor is provided below the seat cushion frame, an erroneous detection may occur in the weight sensor by inputting the load to the weight sensor.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a vehicle seat in which the rigidity of a mounting portion such as a buckle provided on a side frame of a seat cushion is enhanced.
  • a vehicle seat including a seat cushion, wherein the seat cushion is provided on a seating portion on which an occupant sits, and on a side portion of the seating portion, A side frame having an attachment portion such as a buckle for attaching a buckle or an anchor constituting the device, and a reinforcement bracket attached to the side frame to reinforce the side frame, and the reinforcement bracket A standing wall portion that covers the attachment portion such as the buckle and a bottom plate portion that extends in a direction intersecting the standing wall portion and covers a part of the lower surface of the side frame to reinforce the side frame. It is solved by being formed automatically.
  • the reinforcing bracket attached to the side frame is provided with the standing wall portion and the bottom plate portion extending so as to intersect the standing wall portion, so that the buckle provided on the side frame, etc.
  • the rigidity of the mounting portion can be increased.
  • the seat cushion includes a slide rail that is provided below the side frame and allows the vehicle seat to slide in the front-rear direction, and is attached to the slide rail side of the side frame.
  • the side frame includes a mounting hole for a buckle, which is a mounting part for the buckle, and a mounting member mounting hole for mounting the mounted member, and the reinforcing bracket includes the side frame. It is preferable that a first hole is formed at a position facing the attachment hole such as a buckle and a second hole is formed at a position facing the mounting member mounting hole. According to the above configuration, since the first hole and the second hole are formed in the reinforcement bracket, the reinforcement bracket does not interfere with the attachment of the attached member and the buckle or the anchor to the side frame. Furthermore, the reinforcing bracket can be suitably positioned by the first hole and the second hole at a position where the buckle or the anchor can be attached to the attachment hole such as the buckle, so that the workability of sheet manufacture is improved.
  • the attached member is a weight sensor, and the weight sensor is preferably provided closer to the slide rail than the reinforcing bracket. According to the above configuration, since the weight sensor is provided on the slide rail side with respect to the reinforcing bracket, it is possible to suppress the load applied when the seated person wears the seat belt from being input to the weight sensor.
  • the first hole and the second hole are formed away from each other in the front-rear direction of the vehicle seat. According to the said structure, the positioning of the reinforcement bracket using the 1st hole and the 2nd hole can be performed correctly because the 1st hole and the 2nd hole are formed away from front and back.
  • a first bent portion is formed at a portion of the side frame where the reinforcing bracket is attached, and the first bracket and the second hole in the reinforcing bracket are provided with the first bent portion. It is preferable that a second bent portion formed in a shape along one bent portion is provided. According to the above configuration, when the reinforcing bracket is attached to the side frame, by positioning the second bent portion along the first bent portion, positioning of the reinforcing bracket is facilitated, and the workability of sheet manufacturing is improved. improves.
  • the reinforcing bracket is welded to the side frame, and the standing wall portion is preferably formed on the outer side in the seat width direction than the second hole.
  • the second wall is formed by the weld bead generated when the standing wall is welded to the side frame because the standing wall is formed on the outer side in the seat width direction than the second hole. It is possible to avoid obstructing the attachment of the passing weight sensor, and to reduce the size of the vehicle seat.
  • the reinforcing bracket is preferably welded to the side frame on a surface that does not face the weight sensor. According to the said structure, the weld bead produced by welding with a reinforcement bracket and a side part frame does not interfere with attachment of a weight sensor, and can attach a reinforcement bracket compactly.
  • the reinforcing bracket is welded to a lower surface of the rear side of the attachment portion such as the buckle in the side frame.
  • the reinforcement bracket and the side frame are welded to the lower surface behind the attachment portion such as the buckle of the reinforcement bracket, so that the weld bead generated by this welding is attached to the attachment portion such as the buckle. Or do not disturb the anchor. For this reason, it is not necessary to attach a buckle or an anchor so as to avoid a weld bead, and the vehicle seat can be reduced in size.
  • the bottom plate portion is provided with a relief shape formed so as to suppress interference with the weight sensor. According to the above configuration, since the relief shape is formed in the bottom plate portion, interference between the reinforcing bracket and the weight sensor can be suppressed, and the vehicle seat can be downsized.
  • the rigidity of the attachment portion such as the buckle provided on the side frame can be increased. Further, according to the present invention, it is possible to avoid the reinforcement bracket from interfering with the attachment of the attached member and the buckle or the anchor to the side frame, and the reinforcement bracket can be suitably positioned, so that the work for manufacturing the seat can be performed. Improves. Moreover, according to this invention, it can suppress that the load added when a seated person wears a seatbelt is input into a weight sensor. Further, according to the present invention, the positioning of the reinforcing bracket can be accurately performed. Furthermore, according to the present invention, the positioning of the reinforcing bracket is facilitated, and the workability of sheet manufacture is improved.
  • a reinforcement bracket can be attached compactly.
  • the weld bead generated when joining the side bracket of the reinforcing bracket does not interfere with the weight sensor provided between the side frame and the slide rail, and the vehicle seat can be made compact. can do.
  • the weld bead generated when joining to the side bracket of the reinforcing bracket does not interfere with the buckle or anchor attached to the attachment part such as the buckle, and the vehicle seat can be made compact.
  • interference between the reinforcing bracket and the weight sensor can be suppressed, and the vehicle seat can be reduced in size.
  • FIG. 1 is a schematic perspective view of a vehicle seat according to an embodiment of the present invention. It is a perspective view which shows a seat frame.
  • FIG. 3 is an enlarged view of a part III in FIG. 2 and a side view showing a reinforcing bracket attached to a side frame.
  • It is a perspective view which shows a reinforcement bracket.
  • It is a typical bottom view which shows the state which attached the reinforcement bracket to the side part frame.
  • the vehicle seat according to the present embodiment includes a reinforcing bracket for increasing the rigidity of an attachment portion such as a buckle in the seat cushion frame.
  • an attachment portion such as a buckle in the seat cushion frame.
  • the embodiment described below is merely an example for facilitating the understanding of the present invention, and does not limit the present invention. That is, the shape, dimensions, arrangement, and the like of the members described below can be changed and improved without departing from the spirit of the present invention, and the present invention naturally includes equivalents thereof.
  • the “front-rear direction” corresponds to the front-rear direction of the vehicle seat S and corresponds to the traveling direction of the vehicle.
  • the “width direction” corresponds to the width direction (lateral width direction) of the vehicle seat S.
  • FIG. 1 is a schematic perspective view of a vehicle seat S according to an embodiment of the present invention
  • FIG. 2 is a perspective view showing a seat frame F
  • FIG. 3 is an enlarged view of a portion III in FIG.
  • FIG. 6 is a side view showing the reinforcing bracket 5 attached to the side frame 4.
  • the vehicle seat S corresponds to the vehicle seat according to the present invention. As shown in FIG. 1, the vehicle seat S is slid in the front-rear direction with respect to the seat back S1, the seat cushion S2, and the floor in the vehicle. And a slide rail 6 for movably mounting.
  • the seat cushion S2 is composed of the seat cushion frame 2 shown in FIG. 2, a cushion pad 2a disposed on the seat cushion frame 2, and a skin material 2b covering these, and the seat back S1 is the same. Consists of composition.
  • the seat frame F includes a seat back frame 1 and a seat cushion frame 2.
  • the seat cushion frame 2 includes a seating portion 3 at the center in the seat width direction and side frames 4 on both sides thereof.
  • a recess 4 c that is recessed inward in the seat width direction is formed in a part of the side surface on the outer side in the width direction on the rear side of the side frame 4.
  • the recess 4c absorbs an impact force when a strong impact force is applied to the side frame 4 from the seat back frame 1 due to a vehicle accident or the like, and a protrusion in the seat width direction of a buckle (not shown) to be attached. It is formed in order to suppress this.
  • the recess 4c is formed with a buckle attachment portion for attaching a buckle (not shown) and a buckle attachment hole 4b as a buckle attachment hole extending in the seat width direction.
  • a bent portion 4a as a first bent portion that is bent gently so as to be continuous with other portions is formed on the periphery of the recess 4c.
  • a sensor mounting hole 4d is formed on the lower surface of the side frame 4 as a mounting member mounting hole for mounting a weight sensor 7 described later.
  • the weight sensor 7 As a member to be attached is disposed.
  • the weight sensor 7 has a function of detecting the weight and the center of gravity of the sheet.
  • An ECU (Electronic Control Unit) (not shown) provided in the vehicle determines the presence / absence of a sheet load by using a signal detected from the weight sensor 7 and adjusts the deployment output of the airbag.
  • the weight sensor 7 is mainly composed of fixing portions 7a provided on both sides in the front-rear direction of the seat fixed to the slide rail 6 by bolts and nuts, and a load cell 7b provided in the center of the front-rear direction of the seat for detecting a load. Yes.
  • the side frame 4 Since the side frame 4 has the buckle mounting hole 4b formed in the concave portion 4c of the side frame 4, it may be difficult to secure rigidity for mounting a buckle (not shown). Therefore, in order to ensure the rigidity of the side frame 4, a reinforcing bracket 5 described below is joined to the side frame 4.
  • FIG. 4 is a perspective view showing the reinforcing bracket 5
  • FIG. 5 is a schematic bottom view showing a state in which the reinforcing bracket 5 is attached to the side frame 4.
  • the weight sensor 7 is positioned closer to the slide rail 6 than the reinforcing bracket 5.
  • the standing wall portion 5a is formed along the side surface of the side frame 4 having the concave portion 4c, and specifically, the front side portion 50 and the rear side portion disposed on the inner side in the seat width direction than the front side portion 50. 51.
  • the front side portion 50 is formed with a semicircular protruding piece 5f on the upper side, and a positioning hole 5g as a second hole for determining the mounting position on the side frame 4 near the center of the protruding piece 5f. Is formed.
  • the rear side portion 51 is formed with a through hole 5e as a first hole having a larger diameter than the buckle mounting hole 4b in the thickness direction.
  • the reinforcing bracket 5 is attached to the side frame 4 so that the through hole 5e is positioned to expose the buckle attachment hole 4b. That is, the through hole 5e is formed so that the reinforcing bracket 5 does not become an obstacle when the buckle is attached to the buckle attaching hole 4b of the side frame 4, and in addition, the through hole 5e is connected to the side frame 4 of the reinforcing bracket 5. Also used for mounting positioning.
  • the through hole 5e is formed away from the positioning hole 5g in the front-rear direction, so that accurate positioning can be performed with respect to the vertical inclination of the reinforcing bracket 5 in the front-rear direction.
  • the bent portion 5h is formed.
  • the bent portion 5h is formed with a curvature that substantially matches the curvature of the bent portion 4a formed on the side surface of the side frame 4 on the outer side in the seat width direction.
  • the bent portion 5h having a curvature substantially matching the bent portion 4a is formed, and the bent portion 4a and the bent portion 5h are overlapped, whereby the reinforcing bracket 5 is brought into close contact with the side frame 4 having the recess 4c. Therefore, mounting stability can be improved. Furthermore, since the position where the bent portion 4a and the bent portion 5h are overlapped is inevitably determined by their substantially matching shapes, the bent portion 5h is used as positioning for mounting the reinforcing bracket 5 to the side frame 4. Will also work.
  • the bottom plate part 5b extends in a direction orthogonal to (crosses) the standing wall part 5a.
  • the bottom plate portion 5b is formed in order to avoid interference with the fixing portion 7a of the weight sensor 7, and a second hole formed in front of the escape hole 5c through which the load cell 7b of the weight sensor 7 is passed.
  • a through-hole 5d as a hole is formed so as to penetrate in the thickness direction of the bottom plate portion 5b.
  • the escape hole 5c has a larger diameter than the fixed portion 7a as a relief shape, and the through hole 5d has a larger diameter than the load cell 7b as another relief shape.
  • the reinforcing bracket 5 can be arranged at an opposing position where the through hole 5d is aligned with the sensor mounting hole 4d, that is, substantially concentrically, and its mounting position on the side frame 4 can be determined.
  • the hole 5d can function as positioning.
  • the through hole 5d is formed so as to be separated from the through hole 5e in the front-rear direction, so that the vertical positioning of the reinforcing bracket 5 in the front-rear direction can be more accurately positioned than those having the same position in the front-rear direction. It becomes.
  • the through-hole 5e is formed in the standing wall 5a, and the through-hole 5d is formed in the bottom plate 5b, so that the direction in which a buckle (not shown) is attached to the side frame 4 via the reinforcing bracket 5 is The direction is different from the direction in which the weight sensor 7 is attached to the part frame 4 via the reinforcing bracket 5. For this reason, since the position shift at the time of attaching a buckle and the weight sensor 7 can be suppressed, positioning becomes easy and workability
  • the reinforcing bracket 5 is firmly joined to the side frame 4 by determining the mounting position of the reinforcing bracket 5 and welding the superposed bracket 5 on the side frame 4 after welding. It will be.
  • a weld bead 8 is formed between the front edge of the front side portion 50 of the standing wall portion 5a and the side surface of the side frame 4, and the rear edge and side portion of the bottom plate portion 5b.
  • a weld bead 8 is formed between the lower surface of the frame 4.
  • the weld bead 8 is formed at the front edge of the front side portion 50 of the standing wall portion 5a.
  • the front side portion 50 is continuously from the outer end of the bottom plate portion 5b that is separated from the through hole 5d to the outside in the sheet width direction. Is formed. That is, since the standing wall 5a is welded on the surface that does not face the weight sensor 7, the attachment of the weight sensor 7 is not hindered by the weld bead 8. Further, as shown in FIG. 3, the rear edge of the bottom plate portion 5b is shifted rearward from the weight sensor 7 and the buckle mounting hole 4b.
  • the weld bead 8 is formed on the rear edge of the bottom plate portion 5b by welding the bottom plate portion 5b on the surface not facing the weight sensor 7, the weight sensor 7 and the buckle mounting hole 4b are formed by the weld bead 8.
  • the attachment of a buckle (not shown) attached to the door is not hindered. Therefore, it is not necessary to unnecessarily enlarge the reinforcing bracket 5 depending on the positional relationship between the weight sensor 7 and the weld bead 8.
  • the through-hole 5e, the bent portion 5h, the positioning hole 5g, and the through-hole 5d are given as examples as a function of positioning the attachment position of the reinforcing bracket 5 to the side frame 4. Whether to function as a positioning unit can be arbitrarily selected.
  • the bent portion 4a is formed in the vicinity of the buckle mounting hole 4b of the side frame 4, only the bent portion 5h of the reinforcing bracket 5 that reinforces the vicinity of the buckle mounting hole 4b is caused to function as a positioning portion. May be.
  • the positioning in the front-rear direction can be performed by the tactile sensation obtained when the bent portion 4a and the bent portion 5h are overlapped with each other, the operation is easy without visual observation.
  • the positioning of the reinforcing bracket 5 in the width direction and the vertical direction of the seat can be performed by abutting the standing wall portion 5a and the bottom plate portion 5b of the reinforcing bracket 5 against the side surface and the lower surface of the side frame 4. .
  • the reinforcement bracket demonstrated as a part which reinforces the site
  • the anchor constituting the seat belt device is fixed to the side frame of the seat frame, when the seat belt is worn by a seated person, the load from the bracket is applied to the side frame, A load from the anchor is applied to the side frame. For this reason, you may make it reinforce the said part to which the load from an anchor is attached to the site

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

L'invention concerne un siège de véhicule dans lequel une rigidité de parties de fixation telles qu'une boucle disposée sur un cadre latéral d'un coussin de siège est améliorée. Le coussin de siège selon la présente invention comprend : une partie d'assise sur laquelle un passager est assis ; un cadre latéral (4) qui est disposé sur une section latérale de la partie d'assise et qui comprend un trou de fixation de boucle (4b) auquel une boucle incluse dans un dispositif de ceinture de sécurité est fixée ; et un support de renforcement (5) qui est fixé au cadre latéral (4) et qui renforce le cadre latéral (4). Sur le support de renforcement (5), une partie de paroi dressée (5a) qui recouvre le trou de fixation de boucle (4b) et une partie de plaque de base qui s'étend dans une direction coupant la partie de paroi dressée (5a) et qui recouvre partiellement la surface inférieure du cadre latéral (4) pour renforcer le cadre latéral (4) sont formées d'un seul tenant.
PCT/JP2016/072599 2015-08-04 2016-08-02 Siège de véhicule WO2017022738A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015154473A JP6575209B2 (ja) 2015-08-04 2015-08-04 乗物用シート
JP2015-154473 2015-08-04

Publications (1)

Publication Number Publication Date
WO2017022738A1 true WO2017022738A1 (fr) 2017-02-09

Family

ID=57943015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/072599 WO2017022738A1 (fr) 2015-08-04 2016-08-02 Siège de véhicule

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JP (1) JP6575209B2 (fr)
WO (1) WO2017022738A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230365098A1 (en) * 2020-09-30 2023-11-16 Ts Tech Co., Ltd. Vehicle seat device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61142660U (fr) * 1985-02-26 1986-09-03
JP2004330938A (ja) * 2003-05-09 2004-11-25 Tachi S Co Ltd シートベルトのアンカー取付構造
DE102010055245A1 (de) * 2010-12-20 2012-06-21 Keiper Gmbh & Co. Kg Gurt-Schienen-Adapter
WO2014045423A1 (fr) * 2012-09-21 2014-03-27 テイ・エス テック株式会社 Siège de véhicule

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61142660U (fr) * 1985-02-26 1986-09-03
JP2004330938A (ja) * 2003-05-09 2004-11-25 Tachi S Co Ltd シートベルトのアンカー取付構造
DE102010055245A1 (de) * 2010-12-20 2012-06-21 Keiper Gmbh & Co. Kg Gurt-Schienen-Adapter
WO2014045423A1 (fr) * 2012-09-21 2014-03-27 テイ・エス テック株式会社 Siège de véhicule

Also Published As

Publication number Publication date
JP6575209B2 (ja) 2019-09-18
JP2017030640A (ja) 2017-02-09

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