EP0721304B1 - Safety belt buckle - Google Patents
Safety belt buckle Download PDFInfo
- Publication number
- EP0721304B1 EP0721304B1 EP95927723A EP95927723A EP0721304B1 EP 0721304 B1 EP0721304 B1 EP 0721304B1 EP 95927723 A EP95927723 A EP 95927723A EP 95927723 A EP95927723 A EP 95927723A EP 0721304 B1 EP0721304 B1 EP 0721304B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- buckle
- release button
- arrest
- locking member
- 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.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2507—Safety buckles actuated by a push-button
- A44B11/2523—Safety buckles actuated by a push-button acting parallel to the main plane of the buckle and in the same direction as the fastening action
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
- Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
- Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
- Y10T24/45639—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including pivotally connected element on receiving member
- Y10T24/45644—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including pivotally connected element on receiving member for shifting pivotally connected interlocking component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
- Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
- Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
- Y10T24/4566—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including slidably connected and guided element on receiving member
- Y10T24/45665—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including slidably connected and guided element on receiving member for shifting pivotally connected interlocking component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
- Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
- Y10T24/45602—Receiving member includes either movable connection between interlocking components or variable configuration cavity
- Y10T24/45623—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor
- Y10T24/4566—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including slidably connected and guided element on receiving member
- Y10T24/4567—Receiving member includes either movable connection between interlocking components or variable configuration cavity and operator therefor including slidably connected and guided element on receiving member for shifting slidably connected and guided, nonself-biasing, interlocking component
Definitions
- the invention relates to a fastener for seat belts, with a swivel bolt that is in a load-bearing frame is stored and in its locked position on a locking edge a tongue attacks a locking member on the frame transversely to the swivel direction of the swivel bar between one Open position in which it releases the swivel bolt, and a locking position in which there is the swivel bolt in its
- the engagement position is blocked, slidably mounted, and a release button also mounted on the frame, by the Actuating the locking member in the open position is, the locking member in turn by at least blocked a blocking body in the blocking position, the transverse to the direction of displacement of the locking member between one Blocking position and a release position is movable.
- Such a swivel bolt closure is, for example, from known from DE 40 09 272 A1.
- the trained as a plate Locking element is in this version by a compression spring supported against the swivel bolt and becomes immediate moved by the release button.
- the on the release button and on the locking plate due to inertia forces on End of a belt pretensioner stroke through which the buckle is closed
- the floor of the vehicle is moved in the opening direction the release button is directed so that special measures are taken to be able to open the lock automatically to prevent.
- the release button a pawl mounted due to its inertia when the release button suddenly accelerates is pivoted and into a latching opening on the frame of the closure immersed.
- the invention provides a fastener for seat belts created, even at extremely high acceleration values of 4000 g or more secured against unintentional opening is and no fundamental changes to the proven design according to the hook principle.
- the locking body is in the locked position of the pivot bolt blocked, so that the locking member which holds the swivel bolt in its locked position cannot release the swivel bolt during acceleration. Because the locking body even at extremely high accelerations remains in its blocking position, the closure is locked securely regardless of the schedule.
- the closure in a first advantageous embodiment of the closure is the blocking body in turn by a parallel slidable to the direction of displacement of the locking member Blocking plate can be locked in its blocking position.
- the locking member on the one hand by the locking body against accelerations in the direction of actuation of the release button secured, and on the other hand, the locking body is in turn against accelerations across this direction through the Blocking plate secured. It follows that the closure overall against accelerations in every direction is secured.
- the second advantageous embodiment of the closure is based on the same principle as the first.
- the locking body is, however, rotatably mounted around the rolling element, two-armed blocking lever in its blocking position locked.
- the release button preferably engages the first Arm of the locking lever on; the second arm of the locking lever forms a balancing mass through which the mass of the release button is compensated.
- the locking member Through the locking body in the Locked position blocked, and this condition remains get extreme accelerations in all directions because all masses involved in the blocking process compensate each other.
- overcompensation is provided by the blocking lever also when accelerating in unusual directions a stop on the frame of the closure is held.
- This overcompensation is caused by an additional mass body causes the rotatable next to the blocking lever on the Locking body is mounted and with the first arm of the Blocking lever on the side facing away from the release button is coupled in that it is resilient in by a spring Attachment to this first arm is held.
- the buckle for seat belts combines a conventional Tongue 10 with a fitting 12 on which a belt tensioner, a so-called lock tightener can attack.
- the closure comprises one connected to the fitting 12 load-bearing frame 14, which is bent in a U-shape in plan view is and between the legs of a swivel bar 16th is pivotally mounted.
- the hook 16 engages with a hook 16a on one Locking edge 10a of the tongue 10.
- a locking plate 20 is slidable guided.
- a compression spring 22 is between the locking plate 20 and a support surface 16b supported on the pivot bolt 16 and applies an opening moment to the swivel bolt 16, but at the same time presses the locking plate 20 into one Locked position in which they stop for a hoisted Approach 16c on the side facing away from hook 16a of the pivot bolt 16 forms.
- the locking plate 20 therefore holds the pivot bolt 16 in its closed position shown in FIG. 2.
- the two parts 24a, 24b of the release button are pivotable about a common axis and on their free ends spread apart by spring force.
- the part 24a of the release button on the adjacent edge the locking plate 20.
- the locking plate 20 has one on each of its two sides protruding journal 26, on each of which a two-armed Deflection lever 28 pivotally mounted by means of an elongated hole 28a is.
- On the upper arm of the bell crank 28 is one Blocking plate 30 articulated.
- the blocking plate 30 is in two parallel guide slots 32 in the two legs of the frame 14 parallel to the locking plate 20th slidably mounted.
- a compression spring 34 Blocking plate 30 Blocking plate 30 in the opposite direction to that Lock plate 20 loaded by the compression spring 18.
- the bellcrank 28 has a shoulder 28b through an opening 40 protrudes in the part 24a of the release button and on the part 24b thereof is present.
- the mass distribution and the levers involved the part 24b of the release button, the pivot bolt 28 and the Blocking plate 30 are chosen so that these parts are opposite Accelerations in the actuation direction of the release button are mass compensated are. Even at extremely high accelerations in this direction these parts therefore remain relative to the Frame 14 of the closure is still. Hence they are Blocking balls 36 prevented from emerging from the troughs 38, whereby the locking plate 20 in its locked position is blocked and the pivot bolt 16 in its closed position backs up. When accelerating across the direction of actuation the release button, the locking balls 36 can also do not dodge because they are between the locking plate 20 and the Blocking plate 30 are included. The closure is therefore against accelerations of any size and in any direction secured.
- FIGS. 1-5 are those elements that are essential correspond to the embodiment according to FIGS. 1-5, with reference numbers increased by 100.
- the swivel bolt is in the closed position 116 held by a locking plate 120 on its underside a trough running across its entire width 138.
- This Lock roller 136 is in two opposing elongated holes 137 displaceable in the legs of the frame 114 stored. These elongated holes 137 extend perpendicular to the Direction of displacement of the lock plate 120.
- Blocking lever 130 is rotatably supported by means of bearing bushes 139.
- the two-armed blocking lever 130 has a first arm 130a on by an actuation extension on the release button 124b can be actuated.
- the second arm 130b of the lock lever 130 forms a balancing mass, through which the sum of the Masses of the release button 124b and the first arm 130a compensated becomes.
- FIG second arm 130b of the blocking lever 30 In the idle state shown in FIG second arm 130b of the blocking lever 30 with its stop surface 129a in contact with a stop 129 of the frame 114.
- each end of the lock roller 136 is also next to the Blocking lever 139 an additional mass body 140 rotatable stored.
- Each of these mass bodies consists of two parallel ones Cheeks 140a, 140b on either side of the first arm 130a of the respective blocking lever 130 are arranged and through a leg spring 135 with this on its from the Release button 124b facing away from the system.
Landscapes
- Automotive Seat Belt Assembly (AREA)
- Buckles (AREA)
- Seats For Vehicles (AREA)
Description
Die Erfindung betrifft einen Verschluß für Sicherheitsgurte, mit einem Schwenkriegel, der in einem lasttragenden Rahmen gelagert ist und in seiner Sperrstellung an einer Rastkante einer Steckzunge angreift, einem Sperrglied, das am Rahmen quer zur Schwenkrichtung des Schwenkriegels zwischen einer Öffnungsstellung, in der es den Schwenkriegel freigibt, und einer Sperrstellung, in der es den Schwenkriegel in seiner Eingriffsstellung blockiert, verschiebbar gelagert ist, und einer gleichfalls am Rahmen gelagerten Lösetaste, durch deren Betätigung das Sperrglied in die Öffnungsstellung verschiebbar ist, wobei das Sperrglied seinerseits durch wenigstens einen Sperrkörper in der Sperrstellung blockiert, der quer zur Verschieberichtung des Sperrgliedes zwischen einer Blockierstellung und einer Freigabestellung bewegbar ist.The invention relates to a fastener for seat belts, with a swivel bolt that is in a load-bearing frame is stored and in its locked position on a locking edge a tongue attacks a locking member on the frame transversely to the swivel direction of the swivel bar between one Open position in which it releases the swivel bolt, and a locking position in which there is the swivel bolt in its The engagement position is blocked, slidably mounted, and a release button also mounted on the frame, by the Actuating the locking member in the open position is, the locking member in turn by at least blocked a blocking body in the blocking position, the transverse to the direction of displacement of the locking member between one Blocking position and a release position is movable.
Ein solcher Schwenkriegel-Verschluß ist beispielsweise aus der DE 40 09 272 A1 bekannt. Das als Platte ausgebildete Sperrglied ist bei dieser Ausführung durch eine Druckfeder gegen den Schwenkriegel abgestützt und wird unmittelbar durch die Lösetaste verschoben. Die an der Lösetaste und an der Sperrplatte durch Massenträgheit auftretenden Kräfte am Ende eines Gurtstrafferhubes, durch den der Verschluß zum Fahrzeugboden hin verlagert wird, sind in Öffnungsrichtung der Lösetaste gerichtet, so daß besondere Maßnahmen ergriffen werden müssen, um ein selbsttätiges Öffnen des Verschlusses zu verhindern. Zu diesem Zweck ist an der Lösetaste eine Sperrklinke gelagert, die aufgrund ihrer Massenträgheit bei plötzlicher Beschleunigung der Lösetaste verschwenkt wird und in eine Rastöffnung am Rahmen des Verschlusses eintaucht. Die Verschwenkung der Klinke muß sehr schnell erfolgen, damit die beabsichtigte Blockierung der Lösetaste eintritt. Bei extrem hohen Beschleunigungen des Verschlusses kann dies nicht immer gewährleistet werden. Überdies nehmen die von der Klinke aufzunehmenden Belastungen sehr hohe Werte an, in die sowohl die gesamte Masse der Lösetaste als auch die der Sperrplatte und der Sperrklinke selbst eingehen.Such a swivel bolt closure is, for example, from known from DE 40 09 272 A1. The trained as a plate Locking element is in this version by a compression spring supported against the swivel bolt and becomes immediate moved by the release button. The on the release button and on the locking plate due to inertia forces on End of a belt pretensioner stroke through which the buckle is closed The floor of the vehicle is moved in the opening direction the release button is directed so that special measures are taken to be able to open the lock automatically to prevent. For this purpose, the release button a pawl mounted due to its inertia when the release button suddenly accelerates is pivoted and into a latching opening on the frame of the closure immersed. The pivoting of the jack must be very done quickly so the intended blocking of the Release button occurs. At extremely high accelerations of the This cannot always be guaranteed. In addition, the loads to be borne by the jack are reduced very high values, in which both the total mass of the Release button as well as that of the locking plate and the pawl come in yourself.
Durch die Erfindung wird ein Verschluß für Sicherheitsgurte geschaffen, der auch bei extrem hohen Beschleunigungswerten von 4000 g oder mehr gegen unbeabsichtigtes Öffnen gesichert ist und keine prinzipiellen Änderungen an der bewährten Bauform nach dem Schwenkriegel-Prinzip erfordert.The invention provides a fastener for seat belts created, even at extremely high acceleration values of 4000 g or more secured against unintentional opening is and no fundamental changes to the proven design according to the hook principle.
Gemäß der Erfindung ist der Sperrkörper in der Sperrstellung des Schwenkriegels blockiert, so daß das Sperrglied, welches den Schwenkriegel in seiner Verschlußstellung hält, bei einer Beschleunigung den Schwenkriegel nicht freigeben kann. Da der Sperrkörper auch bei extrem hohen Beschleunigungen in seiner Blockierstellung verbleibt, ist der Verschluß also unabhängig von zeitlichen Abläufen sicher verriegelt.According to the invention, the locking body is in the locked position of the pivot bolt blocked, so that the locking member which holds the swivel bolt in its locked position cannot release the swivel bolt during acceleration. Because the locking body even at extremely high accelerations remains in its blocking position, the closure is locked securely regardless of the schedule.
Bei einer ersten vorteilhaften Ausführungsform des Verschlusses ist der Sperrkörper wiederum durch eine parallel zu der Verschieberichtung des Sperrgliedes verschiebbare Blockierplatte in seiner Blockierstellung arretierbar. Folglich ist einerseits das Sperrglied durch den Sperrkörper gegen Beschleunigungen in Betätigungsrichtung der Lösetaste gesichert, und andererseits ist der Sperrkörper seinerseits gegen Beschleunigungen quer zu dieser Richtung durch die Blockierplatte gesichert. Daraus ergibt sich, daß der Verschluß insgesamt gegen Beschleunigungen in jeder Richtung gesichert ist.In a first advantageous embodiment of the closure is the blocking body in turn by a parallel slidable to the direction of displacement of the locking member Blocking plate can be locked in its blocking position. Hence is the locking member on the one hand by the locking body against accelerations in the direction of actuation of the release button secured, and on the other hand, the locking body is in turn against accelerations across this direction through the Blocking plate secured. It follows that the closure overall against accelerations in every direction is secured.
Zum Lösen des Verschlusses muß bei dieser Ausführungsform erst die Blockierplatte verlagert werden, um den Sperrkörper freizugeben, der dann seinerseits eine Verschiebung des Sperrgliedes ermöglicht, um den Schwenkriegel freizugeben. Der erforderliche Bewegungsablauf läßt sich leicht mittels eines am Sperrglied schwenkbar gelagerten, zweiarmigen Umlenkhebels erreichen, an dessen erstem Ende die Lösetaste angreift und dessen zweites Ende an die Blockierplatte angeschlossen ist. Der Umlenkhebel, die Blockierplatte und die an diesem angreifenden Teile der Lösetaste sind gegenüber Beschleunigung in Betätigungsrichtung der Lösetaste massenkompensiert, so daß sie auch bei extrem hohen Werten dieser Beschleunigung relativ in Ruhe bleiben.To release the closure in this embodiment only the blocking plate to be moved to the locking body to release, which in turn a shift of the Locking member allows to release the swing bolt. The required sequence of movements can easily be done by means of a two-armed bell crank pivotally mounted on the locking member reach, at the first end the release button attacks and its second end connected to the blocking plate is. The bell crank, the locking plate and the this attacking parts of the release button are against acceleration mass compensated in the actuation direction of the release button, so that they accelerate even at extremely high values stay relatively calm.
Die zweite vorteilhafte Ausführungsform des Verschlusses beruht auf demselben Prinzip wie die erste. Der Sperrkörper wird jedoch durch einen um den Wälzkörper drehbar gelagerten, zweiarmigen Blockierhebel in seiner Blockierstellung arretiert. Die Lösetaste greift vorzugsweise an dem ersten Arm des Blockierhebels an; der zweite Arm des Blockierhebels bildet eine Ausgleichsmasse, durch die die Masse der Lösetaste kompensiert wird. Bereits im Ruhezustand des Verschlusses ist das Sperrglied durch den Sperrkörper in der Sperrstellung blockiert, und dieser Zustand bleibt auch bei extremen Beschleunigungen in allen Richtungen erhalten, da alle am Blockiervorgang beteiligten Massen einander kompensieren.The second advantageous embodiment of the closure is based on the same principle as the first. The locking body is, however, rotatably mounted around the rolling element, two-armed blocking lever in its blocking position locked. The release button preferably engages the first Arm of the locking lever on; the second arm of the locking lever forms a balancing mass through which the mass of the release button is compensated. Already in the lock's idle state is the locking member through the locking body in the Locked position blocked, and this condition remains get extreme accelerations in all directions because all masses involved in the blocking process compensate each other.
Gemäß einer vorteilhaften Weiterbildung ist aber eine Überkompensation vorgesehen, durch die der Blockierhebel auch bei Beschleunigungen in ungewöhnlichen Richtungen sicher an einem Anschlag am Rahmen des Verschlusses gehalten wird. Diese Überkompensation wird durch einen zusätzlichen Massekörper bewirkt, der neben dem Blockierhebel drehbar auf dem Sperrkörper gelagert ist und mit dem ersten Arm des Blockierhebels auf dessen von der Lösetaste abewandter Seite dadurch gekoppelt ist, daß er durch eine Feder nachgiebig in Anlage an diesem ersten Arm gehalten wird.According to an advantageous development, however, overcompensation is provided by the blocking lever also when accelerating in unusual directions a stop on the frame of the closure is held. This overcompensation is caused by an additional mass body causes the rotatable next to the blocking lever on the Locking body is mounted and with the first arm of the Blocking lever on the side facing away from the release button is coupled in that it is resilient in by a spring Attachment to this first arm is held.
Weitere Merkmale und Vorteile zweier Ausführungsformen der Erfindung ergeben sich aus der folgenden Beschreibung und aus der Zeichnung, auf die Bezug genommen wird. In der Zeichnung zeigen:
- Fig. 1
- eine schematische Perspektivansicht der wesentlichen Funktionsteile des Verschlusses nach der ersten Ausführungsform.
- Fig. 2
- eine schematische Seitenansicht dieses Verschlusses im Zustand mit verriegelter Steckzunge und unbetätigter Lösetaste;
- Fig. 3
- denselben Verschluß bei beginnender Betätigung der Lösetaste;
- Fig. 4
- den Verschluß in der Endphase der Betätigung der Lösetaste;
- Fig. 5
- den Verschluß im geöffneten Zustand bei vollständig eingedrückter Lösetaste.
- Fig. 6
- eine schematische Perspektivansicht der wesentlichen Funktionsteile des Verschlusses nach der zweiten Ausführungsform;
- Fig. 7
- eine schematische Seitenansicht diese Verschlusses im Zustand mit verriegelter Steckzunge und unbetätigter Lösetaste;
- Fig. 8
- denselben Verschluß bei beginnender Betätigung der Lösetaste;
- Fig. 9
- den Verschluß in der Endphase der Betätigung der Lösetaste; und
- Fig. 10
- den Verschluß im geöffneten Zustand bei vollständig eingedrückter Lösetaste.
- Fig. 1
- is a schematic perspective view of the essential functional parts of the closure according to the first embodiment.
- Fig. 2
- a schematic side view of this closure in the state with locked tongue and unactuated release button;
- Fig. 3
- same lock when the release button is pressed;
- Fig. 4
- the closure in the final phase of actuation of the release button;
- Fig. 5
- the closure in the open state with the release button fully pressed.
- Fig. 6
- is a schematic perspective view of the essential functional parts of the closure according to the second embodiment;
- Fig. 7
- a schematic side view of this closure in the state with locked tongue and unactuated release button;
- Fig. 8
- same lock when the release button is pressed;
- Fig. 9
- the closure in the final phase of actuation of the release button; and
- Fig. 10
- the closure in the open state with the release button fully pressed.
Der Verschluß für Sicherheitsgurte nach der in den Fig. 1
bis 5 gezeigten Ausführung verbindet eine herkömmliche
Steckzunge 10 mit einem Beschlag 12, an dem ein Gurtstraffer,
ein sogenannter Schloßstraffer, angreifen kann.
Der Verschluß umfaßt einen mit dem Beschlag 12 verbundenen
lasttragenden Rahmen 14, der in Draufsicht U-förmig gebogen
ist und zwischen dessen Schenkeln ein Schwenkriegel 16
schwenkbar gelagert ist. Im geschlossenen Zustand (Fig. 2)
greift der Schwenkriegel 16 mit einem Haken 16a an einer
Rastkante 10a der Steckzunge 10 an. In zwei zueinander und
zur Steckzunge 10 parallelen Führungsschlitzen 18 in den
Schenkeln des Rahmens 14 ist eine Sperrplatte 20 verschiebbar
geführt. Eine Druckfeder 22 ist zwischen der Sperrplatte
20 und einer Stützfläche 16b am Schwenkriegel 16 abgestützt
und beaufschlagt den Schwenkriegel 16 mit einem Öffnungsmoment,
drückt aber gleichzeitig die Sperrplatte 20 in eine
Sperrstellung, in der sie einen Anschlag für einen hochgezogenen
Ansatz 16c auf der vom Haken 16a abgewandten Seite
des Schwenkriegels 16 bildet. Die Sperrplatte 20 hält daher
den Schwenkriegel 16 in seiner in Fig. 2 gezeigten Schließstellung.The buckle for seat belts according to that in FIG. 1
to 5 shown embodiment combines a
Am Rahmen 14 ist ferner eine zweiteilige Lösetaste 24a, 24b
schwenkbar gelagert. Die beiden Teile 24a, 24b der Lösetaste
sind um eine gemeinsame Achse schwenkbar sowie an ihren
freien Enden durch Federkraft voneinander gespreizt. Dabei
liegt der Teil 24a der Lösetaste an der benachbarten Kante
der Sperrplatte 20 an.On the
An ihren beiden Seiten besitzt die Sperrplatte 20 je einen
abstehenden Lagerzapfen 26, auf dem jeweils ein zweiarmiger
Umlenkhebel 28 mittels eines Langlochs 28a schwenkbar gelagert
ist. An dem oberen Arm des Umlenkhebels 28 ist eine
Blockierplatte 30 gelenkig angeschlossen. Die Blockierplatte
30 ist in zwei parallelen Führungsschlitzen 32 in den
beiden Schenkeln des Rahmens 14 parallel zur Sperrplatte 20
verschiebbar gelagert. Durch eine Druckfeder 34 wird die
Blockierplatte 30 in entgegengesetzter Richtung wie die
Sperrplatte 20 durch die Druckfeder 18 belastet.The locking
Bei der in Fig. 2 gezeigten Schließstellung liegt das von
dem Umlenkhebel 28 abgewandte Ende der Blockierplatte 30
über zwei Sperrkugeln 36, die in je einer Mulde 38 der
Sperrplatte 20 gelagert sind. Die Blockierplatte 30 verhindert
ein Austreten der Sperrkugeln 36 aus den Mulden 38,
wodurch die Sperrplatte 20 in ihrer Stellung blockiert wird.In the closed position shown in Fig. 2 that is from
End of the blocking
An seinem von der Blockierplatte 30 abgewandten Arm besitzt
der Umlenkhebel 28 einen Ansatz 28b, der durch eine Öffnung
40 in dem Teil 24a der Lösetaste ragt und an deren Teil 24b
anliegt. Die Massenverteilung und die beteiligten Hebel an
dem Teil 24b der Lösetaste, dem Schwenkriegel 28 und der
Blockierplatte 30 sind so gewählt, daß diese Teile gegenüber
Beschleunigungen in Betätigungsrichtung der Lösetaste massenkompensiert
sind. Auch bei extrem hohen Beschleunigungen
in dieser Richtung bleiben diese Teile daher relativ zum
Rahmen 14 des Verschlusses unbewegt. Folglich sind die
Sperrkugeln 36 daran gehindert, aus den Mulden 38 auszutreten,
wodurch die Sperrplatte 20 in ihrer Sperrstellung
blockiert ist und den Schwenkriegel 16 in seiner Schließstellung
sichert. Bei Beschleunigung quer zur Betätigungsrichtung
der Lösetaste können die Sperrkugeln 36 ebenfalls
nicht ausweichen, da sie zwischen der Sperrplatte 20 und der
Blockierplatte 30 eingeschlossen sind. Der Verschluß ist daher
gegen Beschleunigungen jeder Größe und in jeder Richtung
gesichert.Has on his arm facing away from the blocking
Zum Öffnen des Verschlusses wird wie bei einem herkömmlichen
Schwenkriegel-Verschluß die Lösetaste in einer Richtung betätigt,
die der Einsteckrichtung der Steckzunge 10 entspricht.
Der Teil 24b der Lösetaste schiebt zunächst den Ansatz 28b
des Umlenkhebels 28 vor und verschwenkt diesen, wodurch die
Blockierplatte 30 entgegen der Kraft der Druckfeder 34 in
den Führungsschlitzen 32 verschoben wird, bis die Sperrkugeln
36 freikommen. In diesem, in Fig. 3 gezeigten Zustand
liegen die Teile 24a und 24b der Lösetaste aneinander, so
daß nunmehr nach dem einleitenden ersten Betätigungshub über
einen zweiten Betätigungshub die Sperrplatte 20 entgegen der
Kraft der Druckfeder 22 verschoben wird. To open the lock is like a conventional one
Swivel bolt lock actuates the release button in one direction,
which corresponds to the insertion direction of the
Wie aus Fig. 4 ersichtlich ist, werden nun die Sperrkugeln
36 aus den Mulden 38 herausgedrückt, so daß die Sperrplatte
20 unbehindert weiter vorgeschoben werden kann, bis sie den
Schwenkriegel 16 freigibt. Dieser wird nun durch die Druckfeder
22 im Uhrzeigersinn verschwenkt, wobei der Haken 16a
von der Rastkante 10a der Steckzunge 10 gelöst wird und diese
nunmehr aus dem Verschluß herausgezogen werden kann.As can be seen from Fig. 4, the locking balls are now
36 pushed out of the
In den Figuren 6-10 sind diejenigen Elemente, die im wesentlichen
mit der Ausführungsform nach den Figuren 1-5 übereinstimmen,
mit um 100 erhöhten Bezugszahlen bezeichnet. Man
erkennt wieder den lasttragenden Rahmen 114, zwischen dessen
Schenkeln ein Schwenkriegel 116 schwenkbar gelagert ist. Im
geschlossenen Zustand (Figur 7) greift der Schwenkriegel
116 mit einem Haken 116a an einer Rastkante 110a der Steckzunge
110 an. In der Schließstellung wird der Schwenkriegel
116 durch eine Sperrplatte 120 gehalten, die an ihrer Unterseite
eine quer über ihre gesamte Breite verlaufende Mulde
138 aufweist. In diese Mulde greift eine langgestreckte
Sperrwalze 136 ein, die sich quer durch die Schenkel des
Rahmens 114 erstreckt und auf beiden Seiten übersteht; diese
Sperrwalze 136 ist in zwei einander gegenüberliegenden Langlöchern
137 in den Schenkeln des Rahmens 114 verschiebbar
gelagert. Diese Langlöcher 137 erstrecken sich senkrecht zur
Verschiebungsrichtung der Sperrplatte 120.In Figures 6-10 are those elements that are essential
correspond to the embodiment according to FIGS. 1-5,
with reference numbers increased by 100. Man
recognizes again the load-
Auf jedem Ende der Sperrwalze 136 ist ein zweiarmiger
Blockierhebel 130 mittels Lagerbuchsen 139 drehbar gelagert.
Der zweiarmige Blockierhebel 130 weist einen ersten Arm 130a
auf, der durch einen Betätigungsfortsatz an der Lösetaste
124b betätigbar ist. Der zweite Arm 130b des Blockierhebels
130 bildet eine Ausgleichsmasse, durch welche die Summe der
Massen der Lösetaste 124b und des ersten Armes 130a kompensiert
wird. Bei dem in Figur 6 gezeigten Ruhezustand ist der
zweite Arm 130b des Blockierhebels 30 mit seiner Anschlagfläche
129a in Anlage an einem Anschlag 129 des Rahmens 114. There is a two-armed on each end of the
Auf jedem Ende der Sperrwalze 136 ist ferner neben dem
Blockierhebel 139 ein zusätzlicher Massekörper 140 drehbar
gelagert. Jeder dieser Massekörper besteht aus zwei parallelen
Wangen 140a, 140b, die beiderseits des ersten Armes 130a
des betreffenden Blockierhebels 130 angeordnet sind und
durch eine Schenkelfeder 135 mit diesem auf seiner von der
Lösetaste 124b abgewandten Seite in Anlage gehalten werden.On each end of the
Die Funktionsweise dieses Verschlusses ist ähnlich wie bei der zuvor beschriebenen Ausführungsform und geht aus den Figuren 7-10 hervor.The function of this closure is similar to that of the embodiment described above and goes from the Figures 7-10 emerge.
Bei Betätigung der Lösetaste 124b (Figuren 7 und 8) wird der
Blockierhebel 130 verschwenkt, wobei sich die Anschlagfläche
129a vom Anschlag 129 löst. Sobald die Anschlagfläche 129a
über das Lot durch die Achse der Sperrwalze 136 auf die
Steckzunge 110 hinaus verdreht worden ist, wirkt auf die
Sperrwalze 136 ein Moment, welches bestrebt ist, sie aus der
Mulde 138 heraus in Richtung zur Steckzunge 110 hin zu verlagern.
Bei weiterer Drehung von der in Figur 8 zur in Figur
9 gezeigten Stellung bewegt sich die Sperrwalze 136 zum unteren
Ende der Langlöcher 137, so daß sie nun vollständig
aus der Mulde 138 ausgetreten ist und die Sperrplatte 120
freigibt. Bei weiterer Betätigung der Lösetaste 124b wird
nun deren Teil 124a erfaßt, wodurch die Sperrplatte 120 unmittelbar
verschoben wird und so den Schwenkriegel 116 freigibt,
der sich nun in die in Figur 10 gezeigte Öffnungsstellung
bewegt.When the
Bei dem in Figuren 6 und 7 gezeigten Ruhezustand mit eingeschobener
und gesicherter Steckzunge 110 sind alle am
Öffnungsvorgang beteiligten Massen für jede Beschleunigungsrichtung
kompensiert. Eine Überkompensation wird durch die
zusätzlichen Massenkörper 140 erreicht, die bei Beschleunigung
des Verschlusses in Öffnungsrichtung der Lösetaste
124b an den ersten Arm 130a des Blockierhebels 130 angedrückt
werden und somit den Druck der Anschlagfläche 129a am
Anschlag 129 verstärken. Auf diese Weise wird die Sicherheit
auch gegen Beschleunigungen in unvorhergesehener Richtung,
wie bei einem komplexen Unfallablauf, erhöht. Die zusätzlichen
Massekörper 140 sind jedoch bei Beschleunigung des
Verschlusses entgegen der Betätigungsrichtung der Lösetaste
124b von dem Blockierhebel 130 abgekoppelt, da dann die
Schenkelfeder 138 nachgibt.In the idle state shown in FIGS. 6 and 7 with inserted
and
Claims (15)
- A buckle for safety belts, comprising a pivotal latch (16) mounted in a load-bearing frame (14) and engaging in its locking position a catch edge of an insert tongue (10), a locking member (20) mounted on the frame (14) for sliding movement transversely to the direction of pivoting of the pivotal latch (16) between an open position, in which it releases the pivotal latch, and a locking position, in which it arrests the pivotal latch in its engagement position, and a release button (24a, 24b) also mounted on the frame, whose actuation causes displacement of the locking member (20) into the open position, the locking member (20) being for its part adapted to be arrested in the locking position by at least one locking body (36) which is able to be moved transversely to the direction of displacement of the locking member (20) between an arrest position and a release position,
characterized in that the locking body (36) is arrested in the locking position of the pivotal latch (16). - The buckle as claimed in claim 1, characterized in that the locking body (36) is constituted by a roller body which engages into a recess (38) in the locking member (20).
- The buckle as claimed in claim 1 or 2, characterized in that the locking body (36) is arranged to be held in its arrest position by means of an arrest plate (30) adapted to shift in parallelism to the direction of displacement of the locking member.
- The buckle as claimed in claim 3, characterized in that the release button (24a, 24b) and the arrest plate (30) are adapted to respectively engage at different arms of at least one two-armed, pivotally mounted bell crank (28).
- The buckle as claimed in claim 4, characterized in that the bell crank (28) is pivotally mounted on the locking member (20).
- The buckle as claimed in claim 5, characterized in that the release button (24a, 24b) is adapted to firstly engage the bell crank (28) in a first actuating stroke, and then to engage the locking member (20) in a further actuating stroke after displacement of the arrest plate (30) into a position releasing the locking body (36).
- The buckle as claimed in claim 4 or 5, characterized in that the bell crank (28) is mounted on a trunnion (26) at the locking member (20) by means of a slot (28a).
- The buckle as claimed in any of the preceding claims, characterized in that the bell crank (28), the arrest plate (30) and the parts of the release button (24b) engaging thereon are inertial mass-compensated as regards acceleration in the actuation direction of the release button.
- The buckle as claimed in claim 2, characterized in that the locking body (136) is able to be held in an arrest position thereof by a two-armed arrest lever (130) mounted for rotation about the roller body.
- The buckle as claimed in claim 9, characterized in that the first arm of the arrest lever (130) is engaged by the release button (124) and the second arm constitutes a compensating inertial mass, by which the mass of the release button is balanced.
- The buckle as claimed in claim 10, characterized in that the roller body (136) is guided on the frame (114) in at least one slot extending perpendicularly to the direction of displacement of the locking member (120), and is able to be shifted together with the arrest lever (130) between the ends of the slot.
- The buckle as claimed in claim 11, characterized in that the arrest lever (130) is kept in an arrest position at the end of the slot adjacent to the locking member (120) by dint of engagement on an abutment (129) of the frame, and may be pivotally moved away from the abutment (129) under the action of the release button on its first arm into a release position at the other end of the slot.
- The buckle as claimed in any of claims 10 to 12,
characterized in that an inertial mass (140), which is able to turn about the roller body (136), is held by a resilient force in abutment on the side of the first arm of the arrest lever (130) which is remote from the release button. - The buckle as claimed in any of the preceding claims 9 to 13, characterized in that the locking body (136) is in the form of an elongated locking roller which extends through the frame (114) with both its ends extending past same and in that on each end of the locking roller (136) an arrest lever (130) is arranged.
- The buckle as claimed in any of the preceding claims 4 to 8, characterized in that on either side of the frame (14) a respective locking body (36) and a bell crank (28) are arranged.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4427011A DE4427011A1 (en) | 1994-07-29 | 1994-07-29 | Seat belt buckle |
DE4427011 | 1994-07-29 | ||
PCT/EP1995/002945 WO1996003896A1 (en) | 1994-07-29 | 1995-07-25 | Safety belt buckle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0721304A1 EP0721304A1 (en) | 1996-07-17 |
EP0721304B1 true EP0721304B1 (en) | 2000-09-13 |
Family
ID=6524518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95927723A Expired - Lifetime EP0721304B1 (en) | 1994-07-29 | 1995-07-25 | Safety belt buckle |
Country Status (10)
Country | Link |
---|---|
US (1) | US5915633A (en) |
EP (1) | EP0721304B1 (en) |
JP (1) | JP2823360B2 (en) |
KR (1) | KR0180713B1 (en) |
CN (1) | CN1131381A (en) |
CZ (1) | CZ92196A3 (en) |
DE (2) | DE4427011A1 (en) |
ES (1) | ES2093588T3 (en) |
PL (1) | PL313705A1 (en) |
WO (1) | WO1996003896A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19723479A1 (en) * | 1997-06-04 | 1998-12-10 | Dci Datenbank Fuer Wirtschafts | Data exchange in information network for sales organisation |
JP3844179B2 (en) * | 1999-08-26 | 2006-11-08 | タカタ株式会社 | Buckle and seat belt device provided with the same |
US6550112B2 (en) | 2001-01-18 | 2003-04-22 | Trw Occupant Restraint Systems Gmbh & Co. Kg | Closure for a seat belt |
JP4609922B2 (en) * | 2003-10-24 | 2011-01-12 | タカタ株式会社 | Buckle and seat belt device provided with the same |
WO2005039943A1 (en) * | 2003-10-28 | 2005-05-06 | Alps Electric Co., Ltd. | Buckle switch and buckle device |
JP4542965B2 (en) * | 2005-08-02 | 2010-09-15 | Ykk株式会社 | Belt lock |
DE202007011066U1 (en) * | 2007-08-08 | 2007-10-18 | Key Safety Systems, Inc., Sterling Heights | belt buckle |
CN101849729B (en) * | 2009-03-31 | 2013-05-01 | 明门香港股份有限公司 | Seat belt buckle suitable for infant bearing device and operation method thereof |
JP5688256B2 (en) * | 2009-10-28 | 2015-03-25 | 芦森工業株式会社 | Buckle device |
EP3167743B1 (en) * | 2010-03-02 | 2019-08-14 | Autoliv Development AB | Seatbelt buckle apparatus |
US8516667B2 (en) | 2010-05-19 | 2013-08-27 | GM Global Technology Operations LLC | Seat belt buckle |
JP5385214B2 (en) * | 2010-06-09 | 2014-01-08 | オートリブ ディベロップメント エービー | Seat belt buckle device |
DE102012018070A1 (en) * | 2012-02-07 | 2013-08-08 | Trw Automotive Gmbh | Belt lock with release lock |
DE102014101730B3 (en) | 2014-02-12 | 2015-08-27 | Autoliv Development Ab | Belt buckle for a safety belt system |
CN106821649B (en) * | 2017-04-17 | 2019-03-12 | 温州远协电子科技有限公司 | A kind of psychiatric department safety restraint belt locking structure |
TWI684541B (en) * | 2019-01-11 | 2020-02-11 | 智崴資訊科技股份有限公司 | A buckle device |
CN109999458B (en) * | 2019-04-24 | 2020-10-23 | 重庆第二师范学院 | Two-person three-foot training auxiliary equipment based on student exercise |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2178731B1 (en) * | 1961-10-04 | 1975-03-21 | Ferodo Sa | |
FR2523452B1 (en) * | 1982-03-18 | 1985-11-29 | Alkan R & Cie | AUTOMATIC SNAP-ON AND EJECTION STRAP HANGER |
US4543693A (en) * | 1982-07-02 | 1985-10-01 | Britax (Wingard) Limited | Safety belt buckles |
DE3533684A1 (en) * | 1985-08-17 | 1987-02-26 | Autoflug Gmbh | SAFETY BELT CLOSURE |
GB2218457B (en) * | 1988-05-11 | 1992-03-18 | Gen Motors Corp | Seat belt buckle. |
DE3837376A1 (en) * | 1988-11-03 | 1990-05-10 | Bsrd Ltd | Lock for a safety belt of a vehicle, especially a motor vehicle |
DE3929114A1 (en) * | 1989-09-01 | 1991-03-07 | Trw Repa Gmbh | BELT LOCK FOR A SAFETY BELT SYSTEM THAT IS PROVIDED WITH A BACKFLOW DEVICE |
DE3932067A1 (en) * | 1989-09-26 | 1991-04-04 | Hs Tech & Design | Vehicle seat belt lock - has locking spring engaging on locking bolt inside flat housing |
DE4009272A1 (en) * | 1990-03-22 | 1991-09-26 | Trw Repa Gmbh | BELT LOCK FOR A SAFETY BELT SYSTEM THAT IS PROVIDED WITH A BACKFLOW DEVICE |
GB9204793D0 (en) * | 1992-03-05 | 1992-04-15 | Bsrd Ltd | Seat belt buckle |
DE4416138C2 (en) * | 1994-05-06 | 2002-06-13 | Trw Repa Gmbh | Seat belt buckle |
-
1994
- 1994-07-29 DE DE4427011A patent/DE4427011A1/en not_active Withdrawn
-
1995
- 1995-07-25 EP EP95927723A patent/EP0721304B1/en not_active Expired - Lifetime
- 1995-07-25 CN CN95190695A patent/CN1131381A/en active Pending
- 1995-07-25 PL PL95313705A patent/PL313705A1/en unknown
- 1995-07-25 DE DE59508715T patent/DE59508715D1/en not_active Expired - Fee Related
- 1995-07-25 WO PCT/EP1995/002945 patent/WO1996003896A1/en active IP Right Grant
- 1995-07-25 KR KR1019960701628A patent/KR0180713B1/en not_active IP Right Cessation
- 1995-07-25 ES ES95927723T patent/ES2093588T3/en not_active Expired - Lifetime
- 1995-07-25 JP JP8506161A patent/JP2823360B2/en not_active Expired - Lifetime
- 1995-07-25 CZ CZ96921A patent/CZ92196A3/en unknown
-
1997
- 1997-06-06 US US08/870,849 patent/US5915633A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0721304A1 (en) | 1996-07-17 |
ES2093588T3 (en) | 2001-01-16 |
DE59508715D1 (en) | 2000-10-19 |
JP2823360B2 (en) | 1998-11-11 |
ES2093588T1 (en) | 1997-01-01 |
KR960704477A (en) | 1996-10-09 |
WO1996003896A1 (en) | 1996-02-15 |
JPH08509902A (en) | 1996-10-22 |
PL313705A1 (en) | 1996-07-22 |
DE4427011A1 (en) | 1996-02-01 |
KR0180713B1 (en) | 1999-02-01 |
US5915633A (en) | 1999-06-29 |
CN1131381A (en) | 1996-09-18 |
CZ92196A3 (en) | 1996-09-11 |
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