EP0663156A1 - Boucle pour ceinture de sécurité - Google Patents

Boucle pour ceinture de sécurité Download PDF

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Publication number
EP0663156A1
EP0663156A1 EP95100316A EP95100316A EP0663156A1 EP 0663156 A1 EP0663156 A1 EP 0663156A1 EP 95100316 A EP95100316 A EP 95100316A EP 95100316 A EP95100316 A EP 95100316A EP 0663156 A1 EP0663156 A1 EP 0663156A1
Authority
EP
European Patent Office
Prior art keywords
spring
ejector
seat belt
belt buckle
lever arm
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.)
Granted
Application number
EP95100316A
Other languages
German (de)
English (en)
Other versions
EP0663156B1 (fr
Inventor
Martin Specht
Jürgen Arold
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.)
Breed Automotive Technology Inc
Original Assignee
HS Technik und Design Technische Entwicklungen GmbH
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 HS Technik und Design Technische Entwicklungen GmbH filed Critical HS Technik und Design Technische Entwicklungen GmbH
Publication of EP0663156A1 publication Critical patent/EP0663156A1/fr
Application granted granted Critical
Publication of EP0663156B1 publication Critical patent/EP0663156B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

Definitions

  • the invention relates to a seat belt buckle with a guided on a frame receiving and locking device for a tongue of a seat belt, a spring-loaded ejector for the unlocked tongue, a push button to actuate the locking device against the action of springback when unlocking the tongue and a spring , which is used to operate the ejector and the spring back of the push button.
  • the spring which performs the two functions (ejector function and spring-back of the pushbutton), is supported at one end on the frame, and at its other end it acts on the ejector and via a transverse one on the frame in the insertion direction and transverse to the insertion direction guided pin spring back on the push button.
  • the object of the invention is to provide a seat belt buckle of the type mentioned, in which the transmission of the spring force to the Ejector acting spring to spring back the push button with simplified transmission is safely achieved.
  • a two-armed lever is mounted on the frame, that one lever arm is connected to the ejector and the other lever arm is connected to the pushbutton, and that the spring is on one spring end on one of the two lever arms and on the other spring end on Ejector or the push button supports.
  • the spring force can be easily transferred both to the ejector and to the push-button to be springed back.
  • the ejector, the spring, the two-armed lever and the push button can advantageously form a closed power flow chain.
  • the spring is not supported with its one spring end on the housing or on the support frame of the belt buckle, but is connected in terms of force between one of the two lever arms and the push button or preferably the ejector.
  • the spring acts with one spring end on the ejector and is supported with its other end on one of the two lever arms, the other lever arm preferably being connected to the push button via a push element, for example in the form of a push fork.
  • the seat belt buckle can be designed to be shockproof by using the lever arm which is connected to the ejector a balancing mass interacts, which balances the mass acting on the other lever arm, in particular the pushbutton and the associated thrust element at high accelerations acting on the belt buckle located in the locking position.
  • a balancing mass interacts, which balances the mass acting on the other lever arm, in particular the pushbutton and the associated thrust element at high accelerations acting on the belt buckle located in the locking position.
  • Such accelerations can result from a belt tensioner movement transmitted to the belt buckle.
  • the leveling compound is preferably guided linearly on the frame.
  • the balancing mass is rotatably mounted on one lever arm.
  • the spring can be supported at one end on the balancing mass and at the other end on the ejector.
  • the balancing mass is also in the closed power flow chain. It also acts as an abutment for the spring acting as an ejector spring.
  • the spring is preferably designed as a compression spring (helical compression spring). The ejector forces are thus higher than the oppositely directed forces exerted by the spring when the tongue is inserted and acting on the tongue via the ejector.
  • the buckle shown in the figures has a frame 10 on which the kinematic control parts of the buckle are mounted.
  • the frame 10 consists of two assembled boards, namely an upper board part 11 and a lower board part 12.
  • An insertion path 13 for a tongue 14 is formed on the frame, the tongue 14 inserted into the frame 10 is locked by a locking device.
  • the locking device has a locking plate 15 (FIG. 3) which is brought into the locking position by the force of a leaf spring 16 which is supported on the frame. In the locked position, the locking plate 15 engages in an opening of the tongue 14.
  • the seat belt buckle also has an ejector 5 guided on the frame 10.
  • the ejector 5 is moved against the force of a spring 2 when the tongue 14 is inserted.
  • the spring 2 which is designed as a helical compression spring, is thereby compressed and exerts a force in the ejection direction (arrow 17) on the ejector 5 and the inserted tongue 14 on the ejector 5.
  • the spring 2 acting as an ejector spring is supported by a balancing mass 7 on a lever arm 4 of a two-armed lever 1, which is pivotably mounted on the frame, in particular on the lower part 12 of the board.
  • the axis 9 of the lever 1 runs perpendicular to the direction of insertion of the tongue or perpendicular to the direction of ejection (arrow 17). Furthermore, it extends parallel to the insertion plane of the tongue 14.
  • the spring 2 is supported on its one spring end on the balancing mass 7 and on its other spring end on the ejector 5.
  • the leveling compound 7 is guided linearly on the frame 10, in particular between the lower part 11 and the upper part 12 of the board. This linear guidance of the balancing mass 7 lies in the insertion plane of the tongue 14. The guidance for the balancing mass 7 lies in the extension of the insertion path 13 for the tongue 14.
  • a pushbutton 6 is mounted via a push element designed as a push fork 8. There is a rotary connection between the end of the lever arm 3 and the push fork 8. As a result, a movement of the push button 6 can be transmitted via the two-armed lever 1 for compressing the spring 2.
  • the inserted tongue 14 is in the locked position.
  • this locked position in the opening path of the locking plate 15, which runs perpendicular to the insertion path 13, there is a locking element 18 in the form of a projection, which can be molded onto the push fork or the push button 6.
  • the pushbutton 6 is moved parallel to the insertion path 13 (downwards in FIG. 4), so that the locking element 18 is removed from the release path of the locking plate 15.
  • the balancing mass which acts on the lever arm 4, provides shock protection at increased accelerations which act on the seat belt buckle from the outside. Such accelerations act as inertial forces due to the mass of the push button 6 and the push fork 8. Compensating inertia forces are generated on the lever arm 4 by the balancing mass 4, so that all kinematic control parts of the belt buckle are kept at rest in the event of a shock load, for example due to a belt tensioner on the belt buckle. The leveling mass is in its final position and is not moved. There is a compensation of the inertial forces acting on both lever arms 3 and 4 of the two-armed lever 1, which cancel each other out.
  • the tongue is supported on the frame via the locking plate 15. Furthermore, the push button 4 is also supported on the frame via a stop, not shown.
  • the two-armed lever arm 1 is supported with its axis on the frame 10. The respective parts are supported on the frame 10 under the pretension of the spring 2.
  • This spring 2 not only acts on the ejector 5 in the ejection direction (arrow 17), but also gives the spring 1 a resilient effect on the pushbutton 6.
  • the push fork 8, the two-armed lever 1, the balancing mass 7, the spring 2 and the ejector 5 are in a power flow chain in which the force of the spring 2 acts. This results in a rattle-free tensioning of all kinematic control parts in the belt buckle reached. Since the locking element 18 is also held under the influence of shock in the position shown in FIG. 4, the locking plate 15 is prevented from being moved out of its locking position.

Landscapes

  • Automotive Seat Belt Assembly (AREA)
  • Buckles (AREA)
EP95100316A 1994-01-18 1995-01-11 Boucle pour ceinture de sécurité Expired - Lifetime EP0663156B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4401291 1994-01-18
DE4401291A DE4401291C1 (de) 1994-01-18 1994-01-18 Sicherheitsgurtverschluß

Publications (2)

Publication Number Publication Date
EP0663156A1 true EP0663156A1 (fr) 1995-07-19
EP0663156B1 EP0663156B1 (fr) 1999-06-30

Family

ID=6508143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100316A Expired - Lifetime EP0663156B1 (fr) 1994-01-18 1995-01-11 Boucle pour ceinture de sécurité

Country Status (4)

Country Link
EP (1) EP0663156B1 (fr)
AT (1) ATE181648T1 (fr)
DE (2) DE4401291C1 (fr)
ES (1) ES2135601T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2323885A (en) * 1997-04-02 1998-10-07 Alliedsignal Ltd Buckle with counterbalance mass

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545899A1 (de) 1995-12-08 1997-06-12 Hs Tech & Design Verschluß für einen Sicherheitsgurt mit einer mit dem Sicherheitsgurt verbundenen Steckzunge
GB2322158B (en) * 1997-02-17 2001-09-26 Alliedsignal Ltd Buckle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212507A2 (fr) * 1985-08-17 1987-03-04 Autoflug Gmbh & Co Fahrzeugtechnik Boucle de verrouillage pour ceinture de sécurité
GB2271378A (en) * 1992-10-09 1994-04-13 Autoliv Dev A safety belt buckle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1928342C3 (de) * 1969-06-04 1975-03-20 Wolf-Dieter 7071 Lindach Klink VerschluBschnalle für Sicherheitsgurte in Kraftfahrzeugen
FR2509969A1 (fr) * 1981-07-27 1983-01-28 Klippan Nv Boucle de fermeture de ceinture de securite a loquet pivotant
ES2032370T3 (es) * 1990-12-11 1994-12-16 Trw Repa Gmbh Cerradura para sistemas de cinturon de seguridad en vehiculos.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212507A2 (fr) * 1985-08-17 1987-03-04 Autoflug Gmbh & Co Fahrzeugtechnik Boucle de verrouillage pour ceinture de sécurité
GB2271378A (en) * 1992-10-09 1994-04-13 Autoliv Dev A safety belt buckle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2323885A (en) * 1997-04-02 1998-10-07 Alliedsignal Ltd Buckle with counterbalance mass
US6088890A (en) * 1997-04-02 2000-07-18 Breed Automotive Technology, Inc. Safety belt buckle

Also Published As

Publication number Publication date
EP0663156B1 (fr) 1999-06-30
DE4401291C1 (de) 1995-02-02
ATE181648T1 (de) 1999-07-15
ES2135601T3 (es) 1999-11-01
DE59506288D1 (de) 1999-08-05

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