Buckle for vehicle safety belts automovi- them and similar uses.

摘要

1. Buckle for safety belts of motor vehicles and similar applications, the type buckle comprising a case fixed by means of a fastening arrangement to an anchor point of the vehicle, one blocker may be arranged in cooperation to lock with an opening a tongue, a spring biasing for a push button that can be in cooperation with the blocker, wherein the blocker (4) is pivotable on a shaft (13) pivot which is approximately perpendicular to the direction of insertion of the tongue (5) and is fixed in the housing (1), being forced said blocker in the unlocked by the pressure exerted by the spring (6) forcing and position when said spring (6) biasing is at least partially extended, said blocker is held in locking engagement with the tongue (5) by a body (3) reinforcement moves together with the push button (2). 2. Buckle according to claim 1, wherein the end (10) of the blocker support (4), which is disposed near the body (3) reinforcement, is located inside the push button (2) and introduced an internal cavity open downwards when the pushbutton is pressed. (2). 3. Buckle according to claim 1 or 2, wherein the reinforcing member is formed as a crossbar (3) fixed to the underside of the push button (2), the longitudinal direction of said parallel beam to the axis ( 13) pivoting the blocker (4). 4. Buckle according to any of claims 1 to 3, wherein the other opposite end (10) support end (14) of the blocker (4) is provided with an opening (15) for receiving a pin (17) guide the push button (2), said pin guiding the spring (6) and forcing push button (2) and abutting said spring with the other end (14) of the blocker (4). 5. Buckle according to any of claims 1 to 4, characterized in that the shaft (13) pivoting the blocker (4) is disposed near the other end (14) of said blocker containing the opening (15), so forms a long arm (9) and a short arm (14) lever. 6. Buckle according to any of claims 1 to 5, characterized in that the blocker (4) is elongated, that extends for approximately one half to three quarters of the length of the box (1) of the buckle and that when viewed in longitudinal section, it is shaped rocker ends (10, 14) in a "U" and upturned. 7. Buckle according to any of claims 1 to 6, characterized in that an arm (11) projecting from retaining the underside of the blocker (4) at a distance equal to the thickness of the tongue (5), at a point such that in the locked position, said arm (11) is retaining in the height (18) of the tongue (5). 8. Buckle according to any of claims 1 to 7, wherein the reinforcing member is a crossbar (3) guided at least on one side at the bottom of the button (2), the longitudinal direction of the crossbar (3 ) parallel to the axis (13) pivoting the blocker (4). 9. Buckle according to claim 8, characterized in that the crossmember (3) abuts the front face of a button housing (2) and is under the prestress of a spring (28, 28¿) support. 10. Buckle according to any of claims 1 to 9, characterized in that the ejector spring (7) is mounted on a body (29) bearing on the side facing the tongue (5) and that the front or front surface ( 30) of the body (29) support is in contact with the tongue (5) and the rear projections (32) are in contact with the arm (12) ejection blocker (4). 11. Buckle belts for motor vehicles and similar ones.