DE102004008915A1 - Reversible belt tightener for motor vehicle safety belt with higher pairs of elements has profile joined to drive device by torque bracket and/or chambers between profile and inner wall of parallelogram for propulsive charge gases/liquids - Google Patents
Reversible belt tightener for motor vehicle safety belt with higher pairs of elements has profile joined to drive device by torque bracket and/or chambers between profile and inner wall of parallelogram for propulsive charge gases/liquids Download PDFInfo
- Publication number
- DE102004008915A1 DE102004008915A1 DE102004008915A DE102004008915A DE102004008915A1 DE 102004008915 A1 DE102004008915 A1 DE 102004008915A1 DE 102004008915 A DE102004008915 A DE 102004008915A DE 102004008915 A DE102004008915 A DE 102004008915A DE 102004008915 A1 DE102004008915 A1 DE 102004008915A1
- Authority
- DE
- Germany
- Prior art keywords
- profile
- parallelogram
- belt
- drive device
- liquids
- 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.)
- Ceased
Links
- 239000007789 gas Substances 0.000 title claims abstract description 6
- 239000007788 liquid Substances 0.000 title claims abstract description 4
- 230000002441 reversible effect Effects 0.000 title abstract description 5
- 230000001141 propulsive effect Effects 0.000 title abstract 2
- 239000003380 propellant Substances 0.000 claims description 6
- 230000004913 activation Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000003679 cervix uteri Anatomy 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
- B60R22/4628—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators
-
- 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
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
-
- 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
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
- B60R22/4628—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators
- B60R22/4633—Linear actuators, e.g. comprising a piston moving along reel axis and rotating along its own axis
-
- 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
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
- B60R22/4628—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators
- B60R2022/4642—Reels with means to tension the belt in an emergency by forced winding up characterised by fluid actuators, e.g. pyrotechnic gas generators the gas directly propelling a flexible driving means, e.g. a plurality of successive masses, in a tubular chamber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
Description
Die Erfindung betrifft einen Gurtstraffer für Sicherheitsgurtsysteme.The invention relates a belt tensioner for Safety belt systems.
Gurtstraffer gehören zu den passiven Systemen der Insassensicherung, die häufig als Bestandteil der Sicherheitsgurtsysteme in Fahrzeugen anzutreffen sind. Sie sollen während oder kurz vor dem Aufprall des Fahrzeugs durch Straffung des Sicherheitsgurts die Gurtlose verringern, um die Insassen stärker gegen ein nach vorn Schleudern zurückzuhalten und so das Verletzungsrisiko zu minimieren.pretensioners belong to the passive systems of occupant safety, often as Part of the seat belt systems can be found in vehicles are. They should be during or just before the impact of the vehicle by tightening the seat belt reduce the slack, to make the occupants stronger against a forward spin withhold and so minimize the risk of injury.
Es
ist bereits eine Vielzahl von verschiedenen Systemen zur Gurtstraffung
bekannt, die eine Gurtstraffung pyrotechnisch, druckgas- oder motorgetrieben
durchführen.
Beispielsweise zeigt die
Diese
und ähnliche
Vorrichtungen (z.B.
Aufgabe der Erfindung ist es deshalb, einen platzsparenden und reversiblen Gurtstraffer bereit zu stellen.task The invention is therefore a space-saving and reversible To provide belt tensioners.
Die Erfindung wird gelöst durch einen Gurtstraffer mit einer Gurtpeitsche und einem von einem Parallelogramm umgebenem drehbarem Gleichdickprofil, das mit der Gurtpeitsche verbunden ist, wobei das Gleichdickprofil über eine Drehmomentstütze mit einer Antriebseinrichtung verbunden ist und/oder die zwischen dem Gleichdickprofil und der Innenwand des Parallelogramms liegenden Kammern zur Aufnahme von Gasen oder Flüssigkeiten einer Treibladung ausgebildet sind.The Invention is solved by a belt tensioner with a belt whip and one of a parallelogram surrounded rotatable DC profile, which is connected to the belt whip is, with the DC profile over a torque arm is connected to a drive device and / or between the DC profile and the inner wall of the parallelogram lying Chambers for receiving gases or liquids of a propellant charge are formed.
Dieser Aufbau entspricht den von Reuleaux erstmals vorgestellten Elementenpaaren, die „nicht die Eigenschaft des gegenseitigen Umschluss, sondern die allgemeine und höhere Eigenschaft der Umhüllung" besitzen (Reuleaux, F. Theoretische Kinematik. Friedrich Vieweg und Sohn, Braunschweig, 1875) und als höhere Elementenpaare bezeichnet werden. Beispiele solcher höheren Elementenpaare sind die Kreisbogenlinse im gleichseitigen Dreieck oder das Kreisbogendreieck im Quadrat, die auch als Fujiwara-Linse bzw. Reuleauxdreieck bekannt sind. Die Kurven mit einer ungeradzahligen Anzahl von „Ecken", wie das Reuleauxdreieck, sind Kurven konstanter Breite und werden Gleichdicke genannt. Gleichdicke haben den Vorteil, dass sie zwischen zwei parallelen Flächen eine ständige Zwanglaufsicherung gewährleisten.This Structure corresponds to the element pairs introduced by Reuleaux for the first time, the "not the Property of mutual inclusion, but the general and higher Feature of serving "(Reuleaux, F. Theoretical kinematics. Friedrich Vieweg and son, Brunswick, 1875) and as higher Element pairs are called. Examples of such higher element pairs are the circular arc lens in the equilateral triangle or the circular arc triangle in the square, also known as the Fujiwara Lens or Reuleaux Triangle are. The curves with an odd number of "corners", like the Reuleaux triangle, are curves of constant width and called equal thickness. equal thickness have the advantage of being between two parallel surfaces one permanent Ensuring forced lubrication.
Die Verwendung von höheren Elementenpaaren besitzt gegenüber den bekannten Gurtstraffern den Vorteil, dass die Straffung des Gurtes mit einfachen Mitteln in platzsparender Bauweise in der Gurtpeitsche, am Fahrersitz oder im Holm realisiert werden kann.The Use of higher Has element pairs opposite the known belt tensioners the advantage that the streamlining of Belt with simple means in space-saving design in the belt whip, can be realized on the driver's seat or in the spar.
Befestigt
man eine zur Straffung des Gurtes vorgesehene Gurtpeitsche in der
Ebene des Gleichdicks, kann eine Straffung des Gurtes durch Drehung des
Gleichdicks um 180° erreicht
werden. Die Drehung erfolgt bevorzugt durch einen motorischen Antrieb,
kann aber durch den besonders bevorzugten Einsatz von Treibmitteln
unterstützt
werden oder erfolgt ausschließlich
durch Treibladungen. Dieser Vorgang ist in jeder Richtung reversibel,
da keine die Bewegung des drehbaren Elementes beeinträchtigenden
Vorrichtungen, wie z.B. der radiale Anschlag der
Im Rahmen der kinematischen Umkehr ist es auch denkbar, dass nicht das innere Element, sondern das äußere Element die Drehbewegung durchführt. Entsprechend dieser Ausgestaltung müsste die Gurtspeitsche mit einer Ecke oder Seite des äußeren Elements verbunden sein.in the Under the kinematic reversal, it is also conceivable that not the inner element, but the outer element performs the rotational movement. According to this embodiment, the belt whip with a corner or side of the outer element be connected.
Im Folgenden wird die Erfindung anhand von Zeichnungen näher erläutert. Es zeigen:in the The invention will be explained in more detail with reference to drawings. It demonstrate:
Die
Der
Gurtstraffer besteht aus einem Parallelogramm
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004008915A DE102004008915A1 (en) | 2004-02-24 | 2004-02-24 | Reversible belt tightener for motor vehicle safety belt with higher pairs of elements has profile joined to drive device by torque bracket and/or chambers between profile and inner wall of parallelogram for propulsive charge gases/liquids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004008915A DE102004008915A1 (en) | 2004-02-24 | 2004-02-24 | Reversible belt tightener for motor vehicle safety belt with higher pairs of elements has profile joined to drive device by torque bracket and/or chambers between profile and inner wall of parallelogram for propulsive charge gases/liquids |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004008915A1 true DE102004008915A1 (en) | 2005-09-15 |
Family
ID=34853622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004008915A Ceased DE102004008915A1 (en) | 2004-02-24 | 2004-02-24 | Reversible belt tightener for motor vehicle safety belt with higher pairs of elements has profile joined to drive device by torque bracket and/or chambers between profile and inner wall of parallelogram for propulsive charge gases/liquids |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102004008915A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4335284A1 (en) * | 1993-10-15 | 1995-04-20 | Hs Tech & Design | Device for rotating a winding shaft of an automatic seat belt retractor |
DE20219384U1 (en) * | 2002-09-04 | 2003-03-20 | Takata Petri Gmbh Ulm | Seat belt tensioner for a motor vehicle, has turnable spindle and draw cord with torsion rod and locking device |
-
2004
- 2004-02-24 DE DE102004008915A patent/DE102004008915A1/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4335284A1 (en) * | 1993-10-15 | 1995-04-20 | Hs Tech & Design | Device for rotating a winding shaft of an automatic seat belt retractor |
DE20219384U1 (en) * | 2002-09-04 | 2003-03-20 | Takata Petri Gmbh Ulm | Seat belt tensioner for a motor vehicle, has turnable spindle and draw cord with torsion rod and locking device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8131 | Rejection |