EP1446309A1 - Dispositif de securite pour sieges passagers, en particulier des sieges pour enfants, de vehicules a moteurs - Google Patents

Dispositif de securite pour sieges passagers, en particulier des sieges pour enfants, de vehicules a moteurs

Info

Publication number
EP1446309A1
EP1446309A1 EP02792749A EP02792749A EP1446309A1 EP 1446309 A1 EP1446309 A1 EP 1446309A1 EP 02792749 A EP02792749 A EP 02792749A EP 02792749 A EP02792749 A EP 02792749A EP 1446309 A1 EP1446309 A1 EP 1446309A1
Authority
EP
European Patent Office
Prior art keywords
air cushion
backrest
seat
safety device
child
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP02792749A
Other languages
German (de)
English (en)
Inventor
Werner Herrmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Herrmann Design
Original Assignee
Herrmann Design
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 Herrmann Design filed Critical Herrmann Design
Publication of EP1446309A1 publication Critical patent/EP1446309A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
    • B60R21/2072—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats in children's seats
    • 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
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
    • 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
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2869—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle rotatable about a vertical axis
    • 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
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2884—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle with protection systems against abnormal g-forces
    • 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
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/914—Hydro-pneumatic adjustments of the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/26005—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow the inflation fluid being transferred to the inflatable member by the mechanical deformation of the fluid container during an impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0004—Frontal collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0011—Rear collision or recoiling bounce after frontal collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
    • B60R2021/23324—Inner walls crating separate compartments, e.g. communicating with vents

Definitions

  • the invention relates to a safety device for passenger seats, preferably child seats for motor vehicles.
  • safety devices For land vehicles, safety devices are known which protect the occupants of the vehicle in the event of an accident or even in the event of abrupt decelerations in the movement of the vehicle.
  • Such safety devices usually have one or more air cushions, which, insofar as they serve to protect the people sitting in the front area of the vehicle, are arranged in their inactive state in the dashboard or in the backrest of the passenger seat and are connected to a control device in order to be connected by a this outgoing signal to be explosively filled with a gas.
  • Safety devices of this type only provide protection for the face and upper body of the person in the respective vehicle seat.
  • a safety device is known from DE 198 34 061 A1, the air cushion of which is accommodated in the headrest having a predetermined breaking point and can also be activated by a signal coming from a control device.
  • the air cushion consists of at least two interconnected partial air cushions, which are inflated one after the other, so that both the face and the two sides of the head of the corresponding person are protected.
  • a child seat for vehicles which has a worked inflatable air cushion in the head region of the backrest between its rear wall and the front region of the cover material.
  • This air cushion fulfills an airbag function insofar as it is provided with an outlet valve which opens automatically when an overpressure occurs or is controlled by a signal.
  • the air cushion does not act as a spring when the child's head hits, but absorbs the energy with a damping effect.
  • the invention is based on the object of providing a safety device for child seats which can be detachably connected to a vehicle and which makes it possible to use the respective child seat both without the safety device and together with it, on the one hand providing an "all-round for the head area -Protection "should offer, but on the other hand requires only a small amount of assembly work and can also be used in motor vehicles whose control unit of the safety system has only a single connection for each of the rear seats.
  • a first air cushion which is formed by a central cushion and two side cushions each adjoining this, adequate protection is provided for both the forehead and for the two side regions of the head. Protection for the back of the head is achieved in that a second air cushion is provided in the area of the front of the backrest of the child seat and protrudes into the upper area thereof, which is either releasably attachable to the backrest, or is formed on this and a releasable one Has plug connection to be filled either by the control unit of the vehicle's safety system or by an air cushion, which is provided in the front area of the seat of the child seat and forms a bump-like elevation extending over the substantial width of the seat.
  • the housing has a U-shaped projection, one leg of which engages on the back of the backrest and the other leg of which engages on the front.
  • a precise positioning of the housing is achieved in that the leg of the housing engaging on the front of the backrest has a gradation with a substantially horizontally directed boundary surface which rests on the end face of a counter-face arranged on the front of the backrest.
  • the latter can be connected to the backrest by means of a screw connection, preferably a quick-connect connection.
  • the second air cushion then forms a resilient but non-resilient counterpart for the child's head in both a frontal and a rear impact if the second air cushion has a pressure relief valve which releases the flow to the second air cushion when a presettable pressure in the air cushion is exceeded.
  • the hose line connecting the air cushion to the second air cushion or the air cushion itself has a drain valve that opens above a predeterminable pressure.
  • the rear wall consists of a deformation-resistant material and its front wall is designed to be elastically deformable, whereby Both walls must be at a minimum distance from each other to form a closed chamber when the air cushion is inactive.
  • a connection between the second air cushion and the air cushion that is protected against external influences is achieved when the air cushion is connected to the deformable air cushion in terms of flow via a hose line arranged inside the backrest or the seat.
  • FIG. 2 shows a sectional view of a child seat with the housing receiving the first air cushion and the second air cushion in the inactive state
  • FIG. 3 shows a sectional view corresponding to FIG. 2, but with the first and second air cushions activated
  • FIG. 5 shows a sectional view corresponding to FIG. 4, but with an activated second air cushion
  • FIG. 6 shows a side view of a further embodiment of the invention with activated first and second air cushions
  • a conventional passenger seat which has a seat 1, a backrest 2 and a headrest 3 attached to it.
  • a conventional child seat 4 is attached to the passenger seat and has a seat 5 with a seat 6, a backrest 7 and two side walls 8 arranged at a lateral distance from one another.
  • 2 shows a housing 11 which receives a first air cushion 9 and which, in a known manner, has a predetermined breaking point (not shown in more detail) for the exit of the first air cushion 9.
  • the housing 11 is provided in its lower region with a U-shaped projection 12 on which two legs 13, 14 are formed. The distance between the two legs 13, 14 corresponds to the thickness of the backrest 7, so that the housing 11 can be clamped onto the backrest 7.
  • a counter support 15 for the short leg 14 of the housing 11 can be arranged on the front of the backrest 7.
  • the leg 14 has a gradation 16, the horizontal boundary surface 17 of which rests on the upper end face of the counter-surface 15.
  • the height relative position of the housing 11 to the backrest 7 is thus fixed, as can also be seen from FIG.
  • both can additionally be connected to one another by means of a screw connection designed as a quick-connect connection, which is symbolized in FIG. 3 by a chain line.
  • the housing 11 has a connection 18 for a detachable, preferably pluggable (not shown) connection of the air cushion 9 to the control unit of the safety device of the vehicle, which in vehicles that have been prepared for or equipped with an air cushion integrated in the child seat, as well is required.
  • the air cushion 9 can be formed by a central cushion 19 and two side cushions 21 arranged laterally therefrom, which are separated from one another in terms of flow in the non-activated state by partition walls, not shown.
  • the center cushion 19 is therefore initially filled until a predetermined pressure is reached. Above this pressure, the dividing walls tear, so that the two side cushions 21 are now filled and inflate to a predetermined extent.
  • the center pillow 19 of the air cushion 9 inflates mainly in front of the child's head and upper body, the two side pillows 21 inflate laterally to the side of the head and therefore provide protection on both sides of the head against both its lateral impact against the side walls 8 and also against broken glass or other objects.
  • a second air cushion 22 is arranged on the front of the backrest 7. This has an almost rectangular cross section in the unfilled state.
  • a hose line 23 is connected to the air cushion 22 and leads to an air cushion 24 which is arranged in the front region of the seat 6 of the seat 5 and which, as can be seen from FIG. 2, has a preferably curved surface when filled.
  • the counter-layer 15 and the air cushion 24 can be detachably fastened to the backrest 7 or the seat 5 by means of conventional Velcro fasteners.
  • a pressure relief valve 25 is provided in the hose 23, which releases the flow to the second air cushion 22 when the predetermined pressure in the air cushion 24 is exceeded.
  • a drain valve 26 is provided in the second air cushion 22 or in the hose 23, which opens when a predetermined pressure in the second air cushion 22 is exceeded in order to allow the air to flow back into the air cushion 24.
  • the pressure relief valve 25 and the drain valve 26 are combined to form a structural unit 27 which is integrated into the hose line 23 via plug connections (not shown).
  • the air cushion 24 is arranged on the seat 6 so that it is largely unloaded in the normal sitting position of the child. Since both due to an abrupt deceleration of the movement of the vehicle and in the event of a frontal impact, the weight of the child is shifted from the rear area of the seat surface 6 to the front area thereof, the air cushion 24 is pressed together thereby, so that the pressure relief valve 25 after reaching a preset pressure opens and the air from the air cushion 24 can flow into the air cushion 22.
  • the pressure in the second air cushion 22 is initially increased; but since the drain valve 26 opens above a pressure that can also be preset, when the child hits the second air cushion 22, the air is simultaneously evacuated from it, so that the rebounding child is gently caught by the air cushion 22.
  • the housing 28 receiving the air cushion 9 can be arranged on the headrest 3 of the vehicle seat and fastened to it by means of fastening means, not shown, for example straps.
  • the air cushion 24, as indicated in FIG. 6, is arranged on the seat 6 of the seat 5 and is guided to the housing 28 via the hose line 23.
  • a pressure-limiting valve 25 and also a drain valve 26 are arranged in the hose line 23, which results in basically the same functioning as in the first embodiment.
  • the second air cushion 22 and also the air cushion 24 are each arranged outside the backrest 7 or outside the seat 5. This is particularly advantageous if the second air cushion 22 is to be subsequently attached to the child seat.
  • FIG. 4 and 5 such a design of a child safety seat 30 that can be attached to a passenger seat is shown, which is essentially formed by a seat 31, a backrest 32 attached to it and two side walls 33.
  • the backrest 32 is formed by a rear wall 34 and a front wall 35, which form a closed air cushion 36 and have a mutual minimum distance in the inactive state.
  • the rear wall 34 is made of a deformation-resistant material, while the front wall 35 is designed to be elastically deformable.
  • the air cushion 36 In its inactivated state, the air cushion 36 is filled with air in such a way that both walls are directed essentially parallel to one another and it forms an elastic abutment for the back and possibly also the head of the child.
  • a hose line 37 is connected to the air cushion 36 and leads to a deformable air cushion 38, which is arranged within a recess in the seat 31, which is not designated in any more detail.
  • a deformable air cushion 38 is arranged within a recess in the seat 31, which is not designated in any more detail.
  • an airtight and deformable bladder 39 is provided in the recess of the seat 31, which is attached to the hose line 37. is closed.
  • To fill the bladder 39 it is provided with a filler neck 40 which is accessible from the outside.
  • the air cushion 38 is analogous to the air cushion 24 of the first embodiment in the front region of the seat of the seat 31 so that it is largely unloaded in the normal sitting position of the child and is caused by an abrupt deceleration of the movement of the vehicle or in a frontal impact shifting weight of the child from the rear area of the seat to the front area is compressible.
  • a pressure relief valve 41 is provided in the hose line 37, which releases the flow to the air cushion 36 when the predetermined pressure in the air cushion 38 is exceeded. Furthermore, a drain valve 42 is provided in the air cushion 36 or in the hose line 23, which opens when a predetermined pressure in the air cushion 36 is exceeded in order to allow the air to flow back into the air cushion 38.
  • the pressure relief valve 41 and the drain valve 42 are combined to form a structural unit 43 which is integrated into the hose line 37 via plug connections (not shown).
  • the same effect as in the first embodiment is achieved, i.e. the child's rebound initially increases the pressure in the air cushion 36; but since the drain valve 42 opens above a pressure which can also be preset, when the child strikes the air cushion 36, the air is simultaneously evacuated from it, so that the rebounding child is gently caught by the air cushion 36.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de sécurité de sièges pour enfant amovibles et combinables avec un véhicule. Ledit dispositif comprend un premier coussin à air (9) gonflable, qui en position non activée est contenu dans un logement (11) présentant un point destiné à la rupture. Ledit coussin à air est formé d'un coussin central (19), de deux coussins latéraux adjacents à celui-ci. Ledit dispositif comprend un second coussin à air (22, 36) actif, situé dans la partie avant du dossier (7) du siège pour enfant (5), dont l'extrémité supérieure en position activée rentre dans la partie de l'extrémité supérieure du dossier (7). Ledit second coussin à air (22, 36) est soit fixé de manière amovible au dossier (7) soit fixé de manière permanente à ce dernier. Ledit dispositif présente au moins un branchement pour un raccord amovible, de préférence enfichable, afin qu'il soit activé par l'unité de commande du véhicule soit rempli par un coussin d'air (24, 38), qui est prévu dans la partie avant de la surface de siège (6) dudit siège pour enfant.
EP02792749A 2001-11-21 2002-11-11 Dispositif de securite pour sieges passagers, en particulier des sieges pour enfants, de vehicules a moteurs Withdrawn EP1446309A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10157707 2001-11-21
DE10157707A DE10157707A1 (de) 2001-11-21 2001-11-21 Sicherheitseinrichtung für Fahrgastsitze, insbesondere Kindersitze von Kraftfahrzeugen
PCT/EP2002/012574 WO2003043859A1 (fr) 2001-11-21 2002-11-11 Dispositif de securite pour sieges passagers, en particulier des sieges pour enfants, de vehicules a moteurs

Publications (1)

Publication Number Publication Date
EP1446309A1 true EP1446309A1 (fr) 2004-08-18

Family

ID=7706856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02792749A Withdrawn EP1446309A1 (fr) 2001-11-21 2002-11-11 Dispositif de securite pour sieges passagers, en particulier des sieges pour enfants, de vehicules a moteurs

Country Status (4)

Country Link
EP (1) EP1446309A1 (fr)
AU (1) AU2002358494A1 (fr)
DE (1) DE10157707A1 (fr)
WO (1) WO2003043859A1 (fr)

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JP2005001541A (ja) 2003-06-12 2005-01-06 Takata Corp チャイルドシート
DE102005034249A1 (de) 2005-07-18 2007-02-01 Takata-Petri (Ulm) Gmbh Fahrzeuginsassen-Rückhaltesysteme mit einem Gassack
DE102007003990B4 (de) * 2007-01-24 2010-12-09 Thomas Beuke Duales Sicherheitssitzsystem für Land-, Wasser- und Luftfahrzeuge
GB201015404D0 (en) * 2010-09-15 2010-10-27 Preston Powers Jullian J Child safety seat
KR101283698B1 (ko) * 2011-03-29 2013-07-05 기아자동차주식회사 차량의 사이드 에어백
DE102011076703A1 (de) * 2011-05-30 2012-12-06 TAKATA Aktiengesellschaft Kindersitz für ein Kraftfahrzeug und Verfahren zum Schutz eines in einem Kindersitz befindlichen Fahrzeuginsassen
DE102011076702A1 (de) * 2011-05-30 2012-12-06 TAKATA Aktiengesellschaft Kindersitz für ein Kraftfahrzeug
BR112017021358B1 (pt) 2015-04-28 2022-05-24 Toyota Jidosha Kabushiki Kaisha Dispositivo de proteção de ocupante
JP2016203945A (ja) * 2015-04-28 2016-12-08 本田技研工業株式会社 エアバッグ装置
JP6411965B2 (ja) 2015-07-28 2018-10-24 トヨタ自動車株式会社 乗員保護装置
JP6616990B2 (ja) * 2015-09-28 2019-12-04 株式会社Ｓｕｂａｒｕ 乗員保護装置
JP2017185893A (ja) * 2016-04-05 2017-10-12 トヨタ自動車株式会社 乗員保護装置
DE102016210155B4 (de) * 2016-06-08 2020-06-18 Bayerische Motoren Werke Aktiengesellschaft Anordnung eines Kindersitzes auf einem Fahrzeugsitz
DE102016225402A1 (de) 2016-12-19 2018-06-21 Bayerische Motoren Werke Aktiengesellschaft Corona für einen Fahrzeugsitz
CN108001307A (zh) * 2017-12-08 2018-05-08 好孩子儿童用品有限公司 儿童汽车座
DE102021114338B3 (de) * 2021-06-02 2021-11-04 Nikil Abraham Verbesserter Kindersitz und Verfahren zu dessen Betrieb
KR20240022537A (ko) * 2021-06-08 2024-02-20 시벡스 게엠베하 에어백을 구비한 어린이 보호 장치

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Also Published As

Publication number Publication date
AU2002358494A1 (en) 2003-06-10
WO2003043859A1 (fr) 2003-05-30
DE10157707A1 (de) 2003-06-05

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