DE10044725A1 - Car seat has transverse reinforcements attached to its supporting shell which are in form of open hollow profiles and are either mounted below ribs embossed in shell or above grooves in it - Google Patents
Car seat has transverse reinforcements attached to its supporting shell which are in form of open hollow profiles and are either mounted below ribs embossed in shell or above grooves in itInfo
- Publication number
- DE10044725A1 DE10044725A1 DE2000144725 DE10044725A DE10044725A1 DE 10044725 A1 DE10044725 A1 DE 10044725A1 DE 2000144725 DE2000144725 DE 2000144725 DE 10044725 A DE10044725 A DE 10044725A DE 10044725 A1 DE10044725 A1 DE 10044725A1
- Authority
- DE
- Germany
- Prior art keywords
- seat
- stiffening element
- motor vehicle
- shell
- seat pan
- 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- Withdrawn
Links
- 230000002787 reinforcement Effects 0.000 title abstract description 3
- 239000011324 bead Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 101150006573 PAN1 gene Proteins 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4249—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—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 height-adjustable
- B60N2/1605—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 height-adjustable characterised by the cinematic
- B60N2/161—Rods
- B60N2/1615—Parallelogram-like structure
-
- 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
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
- B60N2/4235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces transversal
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen Kraftfahrzeugsitz mit einem Sitzuntergestell gemäß dem Oberbegriff des Patentanspruchs 1, der sich durch eine hohe Seitensteifigkeit bei vergleichsweise geringem Gewicht auszeichnet.The invention relates to a motor vehicle seat with a seat base according to the preamble of claim 1, which is characterized by a high lateral rigidity comparatively low weight.
Es ist bekannt, Sitzteile zur Erhöhung der Steifigkeit mit geschlossenen Hohlprofilen zu verbinden. Insbesondere bei Verwendung von kostengünstigem Rundmaterial entsteht ein vergleichsweise hoher Befestigungsaufwand, da in den sich verjüngenden Spalten nur schlecht geschweißt werden kann.It is known to use seat parts to increase the rigidity with closed hollow profiles connect. Especially when using inexpensive round material, a comparatively high mounting effort, since only in the tapered columns can be welded poorly.
Darüber hinaus ist bekannt, Versteifungselemente in einem gewissen Abstand von benachbarten Teilen anzuordnen, um diese leichter befestigen zu können und Klappergeräusche sicher zu verhindern. Nachteilig ist jedoch der erhöhte Platzbedarf, der oft nicht zur Verfügung steht. Obgleich geschlossene Profile eine besonders hohe Steifigkeit aufweisen, steht ihnen aber ein vergrößerter Material- und Gewichtsverbrauch gegenüber.It is also known to have stiffening elements at a certain distance from Arrange adjacent parts to make it easier to attach and Prevent rattling noises. However, the increased space requirement is disadvantageous often not available. Although closed profiles are particularly high Stiffness, but they are increased material and weight consumption across from.
Der Erfindung liegt deshalb die Aufgabe zugrunde, einen Kraftfahrzeugsitz mit hoher Seitensteifigkeit und Crashfestigkeit bei vergleichsweise geringem Materialaufwand zu entwickeln, der sich zudem auch einfach fertigen läßt.The invention is therefore based on the object of a motor vehicle seat with a high Lateral stiffness and crash resistance with a comparatively low cost of materials develop that is also easy to manufacture.
Erfindungsgemäß wird die Aufgabe durch die Merkmale des kennzeichnenden Teils des Anspruchs 1 gelöst. Die abhängigen Ansprüche geben Vorzugsvarianten der Erfindung an.According to the invention the object is characterized by the features of the characterizing part of the Claim 1 solved. The dependent claims indicate preferred variants of the invention.
Demnach ist die Sitzwanne mit wenigstens einem quer zur Fahrtrichtung verlaufenden Versteifungselement in Form eines offenen Hohlprofils derart verbunden, daß ein geschlossenes Hohlprofil entsteht. Die Versteifungselemente können an der Unterseite und/oder an der Oberseite der Sitzwanne befestigt sein.Accordingly, the seat pan with at least one transverse to the direction of travel Stiffening element connected in the form of an open hollow profile such that a closed hollow profile is created. The stiffening elements can be on the bottom and / or attached to the top of the seat pan.
Vorzugsweise ist jedem Versteifungselement eine in die Sitzwanne durch Prägen oder Tiefziehen ausgeformte Sicke oder dergleichen zugeordnet, so daß das Material der Sitzwanne einen erhöhten Beitrag zur Verbesserung der Steifigkeit leisten kann. Da das tiefziehfähige Material der Sitzwanne nur eine vergleichsweise geringe Festigkeit aufweist, sollte für die Versteifungselemente ein hochfester Stahl verwendet werden. Die Befestigung der Versteifungselemente an der Sitzwanne erfolgt vorzugsweise durch Schweißen, es können aber auch Klebe- oder Nietverbindungen zur Anwendung kommen.Each stiffening element is preferably stamped into the seat pan or Thermoforming shaped bead or the like assigned so that the material of the Seat pan can make an increased contribution to improving rigidity. Since that deep-drawn material of the seat pan has only a comparatively low strength, high-strength steel should be used for the stiffening elements. The attachment the stiffening elements on the seat pan are preferably made by welding it However, adhesive or riveted connections can also be used.
Um eine möglichst gute Weiterleitung der infolge eines Seitenaufpralls eingeleiteten Kräfte zu gewährleisten, sollten die Versteifungselemente derart im Sitzuntergestell angeordnet sein, daß sich ihre Enden im Crashfall an den Seitenteilen des Sitzuntergestells und schließlich am Fahrzeugtunnel abstützen. Es ist aber auch eine Anordnung möglich, bei der sich das Versteifungselement im Falle eines Seitenaufpralls zwischen den Antriebshebeln einer Sitzhöhenverstellvorrichtung und schließlich am Fahrzeugtunnel abstützt.For the best possible transmission of the forces introduced as a result of a side impact To ensure, the stiffening elements should be arranged in the seat underframe be that their ends in the event of a crash on the side parts of the seat base and finally support the vehicle tunnel. However, an arrangement is also possible in which the stiffening element in the event of a side impact between the drive levers a seat height adjustment device and finally supported on the vehicle tunnel.
Voraussetzung hierfür ist, daß das betreffende Versteifungselement in jeder Sitzposition von einem ausreichend breiten Antriebshebel überdeckt wird.The prerequisite for this is that the stiffening element in question in every sitting position is covered by a sufficiently wide drive lever.
Nachfolgen wird die Erfindung anhand von Ausführungsbeispielen und den zugehörigen Figuren näher erläutert. Es zeigen: The invention is based on exemplary embodiments and the associated ones Figures explained in more detail. Show it:
Fig. 1a Querschnitt einer Sitzwanne mit Versteifungselementen im vorderen und hinteren Bereich; Fig. 1a cross section of a seat pan with stiffening elements in the front and rear area;
Fig. 1b Querschnitt einer Sitzwanne mit Versteifungselementen im vorderen und mittleren Bereich; . 1b front cross section of a seat pan with stiffening elements in the central region, and;
Fig. 1c Querschnitt einer Sitzwanne mit Versteifungselementen im Bereich der Sitzrampe und hinteren Bereich; FIG. 1c shows cross section of a seat pan with stiffening elements in the region of the seat ramp and the rear region;
Fig. 2 schematische Ansicht eines höhenverstellbaren Kraftfahrzeugsitzes mit einer zwischen zwei Seitenteile angeordneten Sitzwanne. Fig. 2 shows a schematic view of a height-adjustable motor vehicle seat with a seat pan arranged between two side parts.
Die in Fig. 2 dargestellte Seitenansicht zeigt schematisch einen längs- und höhenverstellbaren Sitz, der an einer aus Ober- und Unterschiene 4a, 4b bestehenden Schienenführung verschiebbar lagert. An der Oberschiene 4b sind ein mit einem (nicht dargestellten) Antrieb verbundener Antriebshebel 5b und ein Ausgleichshebel 5a angelenkt, deren obere Enden über Schwenklager 50a, 50b mit einem Sitzseitenteil 2 verbunden sind. Zwischen den Seitenteilen 2 des Sitzes ist eine Sitzwanne 1 montiert, die das Sitzpolster trägt. Des weiteren ist am Seitenteil 2 eine Lehne 3 im Schwenklager 30 angelenkt.The side view shown in Fig. 2 shows schematically a longitudinally and height-adjustable seat which is slidably mounted on a rail guide consisting of upper and lower rails 4 a, 4 b. On the upper rail 4 b are connected to a (not shown) drive lever 5 b and a compensating lever 5 a, the upper ends of which are connected via pivot bearings 50 a, 50 b to a seat side part 2 . A seat pan 1 is mounted between the side parts 2 of the seat and supports the seat cushion. Furthermore, a backrest 3 is articulated in the pivot bearing 30 on the side part 2 .
Im allgemeinen besitzt eine Sitzwanne nur eine geringe Seitensteifigkeit, so daß sie kaum in der Lage ist, nennenswerte Kräfte, etwa bei einem Seitenaufprall, aufzunehmen. Aus diesem Grunde müssen die Türen und der Schwellerbereich des Kraftfahrzeugs so ausreichend steif ausgeführt werden, daß eine Übertragung von Crashkräften auf den Sitz im wesentlichen ausbleibt.In general, a seat pan has little lateral stiffness, so it hardly is able to absorb significant forces, for example in the event of a side impact. Out this is why the doors and the sill area of the motor vehicle must do so be made sufficiently stiff that a transfer of crash forces to the seat essentially fails to appear.
Die Fig. 1a-1c zeigen einige Varianten zur wirksamen Versteifung der Sitzwanne 1, die durch Einbeziehung der Sitzwanne 1 selbst sehr material-, gewichts- und raumsparend sind, bei gleichzeitig guter Herstellbarkeit. FIGS. 1a-1c show some variants for the effective reinforcement of the seat pan 1, the very material itself by incorporating the seat pan 1, weight and space-saving manner, in conjunction with good manufacturability.
So weist die Sitzwanne 1 gemäß Fig. 1a im vorderen Bereich 10a eine ebene Kontur auf, dessen Rückseite mit einem halbrohrförmigen Versteifungselement 100a über seitlich nach außen abkrakende Ränder verbunden ist. An den im wesentlichen ebenen mittleren Bereich 11a schließt sich der hintere Bereich 12a mit einer sickenartigen Ausformung an, der auf der Oberseite ein Versteifungselement 120a zugeordnet ist. Zur Vermeidung eines unnötig großen Höhenaufbaus wurde das Versteifungselement 120a mit mehreren Sicken versehen. The seat pan 1 according to FIG. 1 a has a flat contour in the front region 10 a, the rear side of which is connected to a semi-tubular stiffening element 100 a via edges that creak laterally outwards. At the essentially flat central area 11 a, the rear area 12 a adjoins with a bead-like shape, to which a stiffening element 120 a is assigned on the upper side. To avoid an unnecessarily large build-up of height, the stiffening element 120 a was provided with several beads.
Im vorderen Bereich 10b der Sitzwanne 1 von Fig. 1b wurde ein mäanderförmiger Abschnitt eingearbeitet, dem ein gleichartig geformtes Versteifungselement 100b zugeordnet ist, so daß nach dem Verschweißen, Verkleben oder Vernieten der Teile in den drei Berührungszonen zwei geschlossene rohrartige Profile entstehen. Am Rand des mittleren Bereichs 11b wurde ein im Querschnitt pfannenförmiges Versteifungselement 110b angebracht.In the front region 10 of the seat pan b 1 of Fig. 1b, a meander-shaped portion has been incorporated, which is assigned b 100 a similarly shaped stiffening member, so that after welding, gluing or riveting the parts results in two closed tubular profiles in the three contact zones. At the edge of the central area 11b, a pan-shaped in cross-section reinforcing member 110 was attached b.
Die Sitzwanne 1 gemäß Fig. 1c weist im Bereich 10'c der Rampe, also im Übergangsbereich zwischen den Bereichen 10c und 11c, ohnehin eine sickenartige querverlaufende Verformung auf, der auf der Unterseite das Versteifungselement 100c zugeordnet ist. Im hinteren Bereich 12c der Sitzwanne 1 ist analog zu Fig. 1a eine nach unten ausgeformete Sicke eingearbeitet, die von einem einfachen Versteifungselement 120c abgedeckt ist. The seat pan 1 according to FIG. 1c already has a bead-like transverse deformation in the region 10 'c of the ramp, that is to say in the transition region between the regions 10 c and 11 c, to which the stiffening element 100 c is assigned on the underside. In the rear area 12 c of the seat pan 1 , a downwardly shaped bead is incorporated in a manner analogous to FIG. 1 a, which is covered by a simple stiffening element 120 c.
11
Sitzwanne
Shower Curtains
1010
a vorderer Bereich der Sitzwanne, eben
a Front area of the seat pan, even
1010
b vorderer Bereich der Sitzwanne, mit Sicken
b Front area of the seat pan, with beads
1010
c vorderer Bereich der Sitzwanne, eben
c Front area of the seat pan, even
1010
'c Bereich der Rampe
'c area of the ramp
1111
mittlerer Bereich der Sitzwanne, eben
middle area of the seat pan, even
1111
mittlerer Bereich der Sitzwanne, eben
middle area of the seat pan, even
1111
mittlerer Bereich der Sitzwanne, eben
middle area of the seat pan, even
1212
a hinterer Bereich der Sitzwanne, mit Sicke
a rear area of the seat pan, with a bead
1212
b hinterer Bereich der Sitzwanne, ohne Sicke
b Rear area of the seat pan, without bead
1212
c hinterer Bereich der Sitzwanne, mit Sicke
c Rear area of the seat pan, with a bead
100100
a Versteifungselement
a stiffening element
100100
b Versteifungselement
b stiffening element
100100
c Versteifungselement
c stiffening element
110110
b Versteifungselement
b stiffening element
120120
a Versteifungselement
a stiffening element
120120
c Versteifungselement
c stiffening element
22
Seitenteil
side panel
33
Lehne
rest
3030
Schwenklager
pivot bearing
44
a Unterschiene
a bottom rail
44
b Oberschiene
b Top rail
55
a Ausgleichshebel
a Leveling lever
55
b Antriebshebel
b Drive lever
5050
a Schwenklager
a swivel bearing
5050
b Schwenklager
b pivot bearing
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2000144725 DE10044725A1 (en) | 2000-09-08 | 2000-09-08 | Car seat has transverse reinforcements attached to its supporting shell which are in form of open hollow profiles and are either mounted below ribs embossed in shell or above grooves in it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2000144725 DE10044725A1 (en) | 2000-09-08 | 2000-09-08 | Car seat has transverse reinforcements attached to its supporting shell which are in form of open hollow profiles and are either mounted below ribs embossed in shell or above grooves in it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10044725A1 true DE10044725A1 (en) | 2002-03-21 |
Family
ID=7655706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2000144725 Withdrawn DE10044725A1 (en) | 2000-09-08 | 2000-09-08 | Car seat has transverse reinforcements attached to its supporting shell which are in form of open hollow profiles and are either mounted below ribs embossed in shell or above grooves in it |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE10044725A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2022664A1 (en) * | 2007-07-20 | 2009-02-11 | Honda Motor Co., Ltd | Vehicle seat |
| EP1613193A4 (en) * | 2003-03-31 | 2009-04-22 | Ts Tech Co Ltd | Seat back frame for vehicle seat |
| EP1832467A3 (en) * | 2006-03-07 | 2009-05-13 | Recaro GmbH & Co. KG | Vehicle seat, in particular motor vehicles seat |
| US8616653B2 (en) | 2007-11-29 | 2013-12-31 | Toyota Boshoku Kabushiki Kaisha | Frame structure of seat cushion for vehicle seat |
| EP2383144A3 (en) * | 2010-04-28 | 2014-03-12 | Aguti Produktentwicklung & Design Gmbh | Device for connecting a vehicle seat to a rotating unit, rotating unit and vehicle seat |
| FR3005910A1 (en) * | 2013-05-24 | 2014-11-28 | Peugeot Citroen Automobiles Sa | VEHICLE SEAT WITH ACTIVE FOAM IN CASE OF LATERAL SHOCK |
| DE102016007379A1 (en) * | 2016-06-16 | 2017-12-21 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Seat shell for a vehicle seat of a vehicle, vehicle seat with the seat shell and method for producing the seat shell |
-
2000
- 2000-09-08 DE DE2000144725 patent/DE10044725A1/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1613193A4 (en) * | 2003-03-31 | 2009-04-22 | Ts Tech Co Ltd | Seat back frame for vehicle seat |
| EP1832467A3 (en) * | 2006-03-07 | 2009-05-13 | Recaro GmbH & Co. KG | Vehicle seat, in particular motor vehicles seat |
| US7631939B2 (en) | 2006-03-07 | 2009-12-15 | Recaro Gmbh & Co. Kg | Vehicle seat, in particular a motor vehicle seat |
| EP2022664A1 (en) * | 2007-07-20 | 2009-02-11 | Honda Motor Co., Ltd | Vehicle seat |
| US8033602B2 (en) | 2007-07-20 | 2011-10-11 | Honda Motor Co., Ltd. | Vehicle seat |
| US8616653B2 (en) | 2007-11-29 | 2013-12-31 | Toyota Boshoku Kabushiki Kaisha | Frame structure of seat cushion for vehicle seat |
| EP2383144A3 (en) * | 2010-04-28 | 2014-03-12 | Aguti Produktentwicklung & Design Gmbh | Device for connecting a vehicle seat to a rotating unit, rotating unit and vehicle seat |
| FR3005910A1 (en) * | 2013-05-24 | 2014-11-28 | Peugeot Citroen Automobiles Sa | VEHICLE SEAT WITH ACTIVE FOAM IN CASE OF LATERAL SHOCK |
| DE102016007379A1 (en) * | 2016-06-16 | 2017-12-21 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Seat shell for a vehicle seat of a vehicle, vehicle seat with the seat shell and method for producing the seat shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8139 | Disposal/non-payment of the annual fee |