WO2018051829A1 - Dispositif de retenue des occupants - Google Patents

Dispositif de retenue des occupants Download PDF

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Publication number
WO2018051829A1
WO2018051829A1 PCT/JP2017/031758 JP2017031758W WO2018051829A1 WO 2018051829 A1 WO2018051829 A1 WO 2018051829A1 JP 2017031758 W JP2017031758 W JP 2017031758W WO 2018051829 A1 WO2018051829 A1 WO 2018051829A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat belt
tongue
buckle
restraint system
occupant restraint
Prior art date
Application number
PCT/JP2017/031758
Other languages
English (en)
Japanese (ja)
Inventor
実希 高橋
隆章 木村
理宏 森
弦也 松岡
Original Assignee
タカタ株式会社
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 タカタ株式会社 filed Critical タカタ株式会社
Publication of WO2018051829A1 publication Critical patent/WO2018051829A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/48—Control systems, alarms, or interlock systems, for the correct application of the belt or harness

Definitions

  • the present invention relates to an occupant restraint system that restrains an occupant with a first seat belt device including a shoulder belt and a lap belt and a second seat belt device serving as a shoulder belt.
  • a seat belt device in an emergency (hereinafter simply referred to as an emergency) in which a greater deceleration than usual occurs on a vehicle such as a collision.
  • an emergency in which a greater deceleration than usual occurs on a vehicle such as a collision.
  • a three-point seat belt device is widely known as a seat belt device.
  • a seat belt pulled out from a retractor is guided by a belt guide anchor, and a leading end thereof is fixed to a vehicle body.
  • a tongue is slidably supported on the seat belt guided by the belt guide anchor.
  • the seat belt is attached to the occupant by engaging the tongue with a buckle fixed to the vehicle body.
  • the seat belt between the belt guide anchor and the tongue functions as a shoulder belt that is worn on the shoulder and chest of the occupant.
  • a seat belt between the front end fixed to the vehicle body and the tongue functions as a lap belt that is attached to the lap (waist) of the occupant.
  • the retractor locking mechanism is activated to prevent the seat belt from being pulled out, so that the shoulder and chest of the occupant are restrained by the shoulder belt, and the occupant's waist is restrained by the lap belt.
  • a seat belt system that includes an oblique two-point seat belt device and is configured such that the webbings of both seat belt devices intersect in the vicinity of the chest of an occupant (for example, (See Patent Documents 1 and 2).
  • a seat belt system it is necessary to prevent a passenger from wearing only an oblique two-point seat belt device.
  • the tongue of the oblique two-point seat belt device is configured not to latch the second buckle before the tongue of the three-point seat belt device latches to the first buckle. Yes.
  • the passenger before the occupant latches the tongue of the three-point seat belt device to the first buckle, the passenger repeatedly tries to insert the tongue of the oblique two-point seat belt device into the second buckle. There was a risk of affecting the durability of the.
  • the occupant restraint system of the present invention includes a first seat belt, a first tongue that divides the first seat belt into a shoulder belt and a lap belt, and a first buckle to which the first tongue is attached and detached.
  • An occupant restraint system comprising: a device; a second seat belt; a second tongue attached to a distal end portion of the second seat belt; and a second seat belt device having a second buckle to which the second tongue is attached and detached.
  • the second buckle is provided with an opening / closing means for opening / closing a tongue insertion opening, and the opening / closing means opens the tongue insertion opening when the first tongue is engaged with the first buckle. Open.
  • the opening / closing means includes a lid that is rotatable in the vertical direction so as to be able to take a lying state in which the tongue insertion port is closed and a standing state in which the tongue insertion port is opened.
  • the opening / closing means further includes a push-up unit that pushes up the lid.
  • the controller when receiving a tongue detection signal indicating that the first tongue is engaged from the first buckle, the controller further includes a control unit that outputs an open signal to the push-up unit, and the push-up unit includes: When the open signal is received and turned on, it rises and pushes up the lid.
  • the push-up unit descends and returns to a predetermined position, and the upper end of the push-up unit at the predetermined position is in the lying state It is located directly under the lid.
  • control unit stops outputting the open signal when the output of the open signal reaches a predetermined time.
  • the second seat belt device retracts the second seat belt so that the second seat belt can be pulled out, detects a pull-out amount of the second seat belt, and notifies the control unit of the pull-out amount. And the control unit outputs the open signal when the tongue detection signal is received and the amount of withdrawal exceeds a predetermined value.
  • the lid rotates within the housing of the second buckle.
  • the first seat belt device and the second seat belt device are installed in a vehicle seat on which a single occupant can be seated, and the first buckle includes the second buckle across the vehicle seat. Are arranged on the opposite side.
  • the first buckle and the second buckle have different shapes.
  • the occupant restraint system of the present invention is provided with opening / closing means for opening / closing the tongue insertion port of the second buckle, and this opening / closing means opens the tongue insertion port when the first tongue is engaged with the first buckle. Since the second tongue cannot be inserted into the second buckle before the first tongue is engaged with the first buckle, the first seat belt device which is a three-point seat belt device is not mounted. In addition, it is possible to prevent the second seat belt device, which is an oblique two-point seat belt device, from being used alone.
  • FIG. 1 is a schematic configuration diagram of an occupant restraint system according to an embodiment.
  • FIG. 2 is a perspective view of the second buckle. 3a and 3b are enlarged sectional views taken along line III-III in FIG. 2, FIG. 3a is a sectional view in which the lid is in a lying state, and FIG. 3b is a sectional view in which the lid is in an upright state.
  • FIG. 4 is a block diagram of a control system of the passenger restraint system.
  • FIG. 5 is a flowchart for explaining an occupant restraint method according to the embodiment.
  • FIG. 1 is a schematic configuration diagram of an occupant restraint system according to an embodiment.
  • an occupant restraint system 1 includes a first seat belt device 10 that is a three-point seat belt device, and a second seat belt device 20 that is an oblique two-point seat belt device.
  • the occupant is restrained by both the device 10 and the second seat belt device 20, and the second use of the second seat belt device 20 is prevented.
  • the first seat belt device 10 can be used alone.
  • the first seat belt device 10 is formed of a first seat belt retractor 14 (hereinafter referred to as “first retractor 14”) disposed in the vicinity of the vehicle seat 2 and webbing, and can be pulled out to the first retractor 14.
  • a guide anchor 15 shoulder anchor
  • a first tongue 12 slidably supported by the guided first seat belt 11, a first buckle fixed to the floor of the vehicle body or the vehicle seat 2 and removably inserted into the first tongue 12. 13 is provided.
  • the vehicle seat 2 is a seat on which one passenger can be seated, such as a driver's seat, a passenger seat, and a rear seat captain seat.
  • the first seat belt 11 includes a shoulder belt 11a for restraining the occupant's shoulder and chest, and a lap belt 11b for restraining the occupant's waist and the like.
  • the first seat belt 11 is partitioned by a first tongue 12 into a shoulder belt 11a and a lap belt 11b.
  • the front end portion 11c of the first seat belt 11 is fixed to the floor of the vehicle body, the vehicle body frame, or the like.
  • the first buckle 13 has a tongue insertion port for inserting the first tongue 12, a latch member that engages with the inserted first tongue, and an operation button that releases the engagement of the latch member.
  • the first buckle 13 is provided with a buckle sensor that determines whether or not the latch member is engaged with the first tongue 12.
  • the buckle sensor is constituted by a magnetic sensor such as a Hall element, for example, and detects the magnetism of the magnet that is interlocked with the movement of the first tongue 12 within the first buckle 13.
  • the buckle sensor indicates that the first tongue 12 is engaged when it detects a magnetic change of the magnet in a state where the first tongue 12 is inserted to a predetermined position (position where the latch member can be engaged).
  • the tongue detection signal is output to the control unit 3 (see FIG. 4).
  • the control unit 3 is an ECU, for example.
  • the second seat belt device 20 is formed of a second seat belt retractor 24 (see FIG. 4; hereinafter referred to as “second retractor 24”) and webbing, and is wound around the second retractor 24 so that it can be pulled out.
  • second retractor 24 a second seat belt retractor 24
  • the second seat belt 21 for restraining the passenger in an emergency, the second tongue 22 attached to the tip of the second seat belt 21, and the second tongue 22 fixed to the floor of the vehicle body or the vehicle seat 2 are engaged and disengaged.
  • a second buckle 23 that can be inserted and engaged.
  • the second retractor 24 is disposed in the seat 2, for example.
  • a sensor for detecting the amount of withdrawal of the second seat belt 21 may be provided in the second retractor 24 so that the controller 3 is notified of the amount of withdrawal of the belt.
  • the second seat belt 21 is a shoulder belt that restrains the occupant's shoulder and chest.
  • the second buckle 23 is disposed on the opposite side of the first buckle 13 with the vehicle seat 2 interposed therebetween.
  • the shoulder belt 11a of the first seat belt 11 and the second seat belt 21 intersect in the vicinity of the chest of the passenger.
  • the second buckle 23 is provided at the top of the buckle housing 32, and the tongue insertion port 31 for inserting the second tongue 22 and the inserted second tongue 22 are provided. It has a latch member (not shown) to be engaged and an operation button 33 for releasing the engagement of the latch member.
  • the second buckle 23 is provided with opening / closing means for opening / closing the tongue insertion port 31.
  • the opening / closing means includes a lid 34 hinged to the housing 32 and a push-up portion 35 that pushes up the lid 34.
  • the lid 34 can be turned up and down by a hinge so as to be able to take the lying state of FIG. 3a and the standing state of FIG. 3b.
  • the lid 34 rotates inside the housing 32 (inside the tongue insertion port 31).
  • the lid 34 is configured such that the lying state becomes a fixed position by urging by a torsion spring or the like.
  • an elongated thin plate made of resin (POM or PP) can be used.
  • An iron bar (SUS etc.) can be used for the shaft part.
  • the push-up unit 35 is composed of, for example, a direct-acting solenoid, and can be linearly moved in the vertical direction in response to an open signal from the control unit 3.
  • the push-up unit 35 is disposed so that the upper end thereof is located immediately below the lid 34 in the lying state in an off state where no open signal is output from the control unit 3. At this time, the upper end of the push-up portion 35 may be in contact with the lower surface of the lid 34, or there may be a slight gap between the upper end of the push-up portion 35 and the lower surface of the lid 34.
  • the push-up portion 35 is provided at one end or both ends of the tongue insertion port 31 in the longitudinal direction.
  • the push-up unit 35 When the push-up unit 35 receives the open signal output from the control unit 3 and is turned on, the push-up unit 35 rises and pushes up the lid 34. When the lid 34 is pushed up to be in an upright state as shown in FIG. 3B, the tongue insertion port 31 is opened, and the second tongue 22 can be inserted.
  • the push-up unit 35 When the output of the open signal from the control unit 3 is stopped, the push-up unit 35 is turned off and descends.
  • the lid 34 is in a lying state as shown in FIG. 3A by the bias of the torsion spring, and the tongue insertion port 31 is closed. Since the lid 34 is supported by the push-up portion 35 from below, the second tongue 22 cannot be inserted when the lid 34 is in a lying state.
  • the control unit 3 When the control unit 3 receives the tongue detection signal from the first buckle 13, the control unit 3 outputs an open signal instructing the opening of the tongue insertion port 31 to the push-up unit 35 of the second buckle 23. In order to suppress power consumption (energization time) in the push-up unit 35, the output of the open signal is stopped after outputting the open signal for a predetermined time (for example, 1 minute).
  • the second tongue 22 is inserted into the second buckle 23 during the output of the open signal.
  • the presence of the second tongue 22 in the tongue insertion port 31 stops the output of the open signal, and the lid 34 does not come into contact with the second tongue 22 even after the push-up portion 35 is lowered.
  • the operation button 33 of the second buckle 23 When the operation button 33 of the second buckle 23 is pushed in, the second tongue 22 is released from the latch member and released to the outside of the second buckle 23. Similarly, when the operation button of the first buckle 13 is pushed in, the first tongue 12 is released from the latch member and released to the outside of the first buckle 13. By pressing the operation button of the first buckle 13, not only the first tongue 12 but also the second tongue 23 may be released from the latch member.
  • the passenger seated in the vehicle seat 2 pulls out the first seat belt 11 and inserts the first tongue 12 into the first buckle 13.
  • the buckle insertion port 31 of the second buckle 23 is closed by the lid 34, even if the occupant pulls out the second seat belt 21 in front of the first seat belt 11, the second tongue 22 is attached to the second buckle. 23 cannot be inserted. Further, the first tongue 12 is not erroneously inserted into the second buckle 23.
  • step S2 When the buckle sensor of the first buckle 13 detects the engagement of the first tongue 12 (step S1_Yes), a tongue detection signal is output to the control unit 3 (step S2). With the reception of the tongue detection signal, the control unit 3 outputs an open signal to the push-up unit 35 of the second buckle 23 (step S3).
  • the push-up unit 35 rises based on the open signal to push up the lid 34 and open the buckle insertion port 31 of the second buckle 23.
  • the control unit 3 outputs an open signal, the occupant pulls out the second seat belt 21 and inserts the second tongue 22 into the second buckle 23 (step S4).
  • step S6 the control unit 3 stops the output of the open signal (step S6).
  • the push-up portion 35 is lowered, but the second tongue 22 is inserted into the second buckle 23, and thus the lid 34 is not closed.
  • the first two-point seat belt device is an oblique two-point seat belt device until the first tongue 12 of the first seat belt device 10 which is a three-point seat belt device is engaged with the first buckle 13. Since the tongue insertion port 31 of the second buckle 23 of the two seat belt device 20 is closed by the lid 34 and the buckle cannot be inserted, it is possible to prevent the second seat belt device 20 from being used alone.
  • the lid 34 Since the tongue insertion port 31 of the second buckle 23 is closed by the lid 34, the occupant can easily confirm visually that the second tongue 22 cannot be inserted into the second buckle 23, and the first seat belt. It is possible to prevent an action of repeatedly trying to insert the second tongue 22 into the second buckle 23 before the device 10 is mounted.
  • the color of the lid 34 may be different from the colors of the housing 32 and the operation buttons 33 so that the tongue insertion port 31 can be easily visually confirmed.
  • the first tongue 12 and the second tongue are used in order to prevent the second tongue 22 of the second seat belt device 20 from being misused such that the second tongue 22 is inserted into the first buckle 13 of the first seat belt device 10. 22 may be changed so that it cannot be inserted (engaged) with a buckle of a different seat belt device.
  • the first tongue 12 and the second tongue 22 change the width and thickness of the tongue, the position and size of the engagement hole with which the latch member is engaged, and the like.
  • An open signal may be output to the push-up portion 35 of the second buckle 23.
  • the opening / closing means for opening and closing the tongue insertion port 31 the lid 34 that can be turned up and down so as to be able to take the lying state and the standing state, and the push-up portion 35 that pushes up the lid 34 are provided.
  • the opening / closing means is not limited to this, and a slide shutter or the like may be used.
  • a buckle provided with means for opening and closing the tongue insertion port as in the above embodiment may be applied to the buckle of the seat belt device for a three-seat seat at the rear of the vehicle.
  • the tongue insertion opening of the buckle corresponding to the seat belt is opened.
  • crew can grasp

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

La présente invention retient un occupant au moyen d'un dispositif de ceinture de sécurité à trois points et d'un dispositif de ceinture de sécurité à deux points oblique et empêche l'utilisation de la ceinture de sécurité à deux points oblique seule. Le dispositif de retenue des occupants, conformément au présent mode de réalisation, comporte un premier dispositif de ceinture de sécurité (10) qui est un dispositif de ceinture de sécurité à trois points et un second dispositif de ceinture de sécurité (20) qui est un dispositif de ceinture de sécurité à deux points oblique. Une seconde boucle (23) du second dispositif de ceinture de sécurité (20) est pourvue d'un moyen d'ouverture et de fermeture servant à ouvrir et à fermer une ouverture (31) d'insertion de languette et le moyen d'ouverture et de fermeture est conçu de sorte que l'ouverture (31) d'insertion de languette est ouverte lors de la mise en prise d'une première languette (12) du premier dispositif de ceinture de sécurité (10) avec une première boucle (13).
PCT/JP2017/031758 2016-09-15 2017-09-04 Dispositif de retenue des occupants WO2018051829A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-180691 2016-09-15
JP2016180691A JP6717138B2 (ja) 2016-09-15 2016-09-15 乗員拘束システム

Publications (1)

Publication Number Publication Date
WO2018051829A1 true WO2018051829A1 (fr) 2018-03-22

Family

ID=61619403

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/031758 WO2018051829A1 (fr) 2016-09-15 2017-09-04 Dispositif de retenue des occupants

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JP (1) JP6717138B2 (fr)
WO (1) WO2018051829A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6155601A (en) * 1999-04-30 2000-12-05 Arcca Incorporated Seat-mounted occupant crash protection system
WO2003042011A1 (fr) * 2001-11-15 2003-05-22 Saab Automobile Ab Dispositif de verrouillage pour ceinture de securite
JP2007513825A (ja) * 2003-12-09 2007-05-31 オートリブ ディヴェロプメント アクチボラゲット 個人拘束システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6155601A (en) * 1999-04-30 2000-12-05 Arcca Incorporated Seat-mounted occupant crash protection system
WO2003042011A1 (fr) * 2001-11-15 2003-05-22 Saab Automobile Ab Dispositif de verrouillage pour ceinture de securite
JP2007513825A (ja) * 2003-12-09 2007-05-31 オートリブ ディヴェロプメント アクチボラゲット 個人拘束システム

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Publication number Publication date
JP6717138B2 (ja) 2020-07-01
JP2018043683A (ja) 2018-03-22

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