Seat belt retractors for seat belt installations

A technology for seat belt retractors and seat belts, which is applied in the direction of seat belts, belt retractors, transportation and packaging, etc. in the car, to achieve the effect of less manufacturing costs and installation work, and small structural space requirements

Active Publication Date: 2019-05-14
AUTOLIV DEV AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can occur, for example, when the seat belt retractor is switched between ELR (emergency locking) and ALR (automatic locking) operation, or when the seat belt retractor is installed in a It can also occur when the belt shaft should in principle be locked when the belt is pulled out to a defined length, or from a defined belt retraction length the belt shaft should not be locked even when the mass of inertia is deflected

Method used

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  • Seat belt retractors for seat belt installations
  • Seat belt retractors for seat belt installations
  • Seat belt retractors for seat belt installations

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] exist figure 1 and figure 2 A housing cover 1 for a seat belt retractor of a seat belt arrangement of a vehicle, which is not shown, is shown in the assembled state and in an exploded view. Since the other parts of the seat belt retractor are not changed by the invention, these parts will not be shown and described below, and only the components which cooperate with the components of the invention will be described.

[0026] The housing cover 1 is fixed on the outer edge side of a leg of a U-shaped belt retractor frame of the belt retractor, in which belt shaft is rotatably mounted. The housing cover 1 is primarily intended to cover a locking device having a locking catch supported on a belt shaft which, when actuated, is controlled to engage in a fixed toothing of the seat belt retractor frame and This locks the spool in the pull-out direction of the webbing wound on the spool. Furthermore, the locking device comprises a control disc mounted rotatably on the belt s...

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PUM

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Abstract

The invention relates to a seat belt retractor for a vehicle having a belt shaft rotatably mounted in a seat belt retractor frame which can be fixed relative to the vehicle and a locking device having a locking catch , and a sensor device (2) having a first locking lever (5) that actuates the locking device by movement of the first locking lever (5) when a predetermined vehicle deceleration is exceeded, and capable of The second locking lever (7) supported on the seat belt retractor in a swinging motion is used to fix the first locking lever (5) when the seat belt retracting length is a predetermined seat belt retracting length, wherein, in order to control the The movement of the two locking levers (7) is provided with a counting transmission device (3) driven by a belt shaft, and the counting transmission device is driven by an eccentric wheel (27) driven by a belt shaft and can be driven by the eccentric wheel (27) to swing A moving wobble plate (8) is formed, which has a first toothing (19).

Description

technical field [0001] The invention relates to a seat belt retractor for a seat belt arrangement. Background technique [0002] Seat belt retractors are commonly used to retract the seat belts of seat belt arrangements in motor vehicles. Here, the belt retractor essentially has a locking device, which is actuated as a function of exceeding a predetermined acceleration value of the vehicle deceleration and the belt extension acceleration and thus subsequently locks the seat belt against further belt extension. sports. In order to actuate the locking device as a function of exceeding a predetermined value for vehicle deceleration, a sensor device (vehicle-sensitive sensor device) is provided which has an inertial body mounted on the sensor surface and resting against the locking lever. In addition, a control disc with a toothing is provided, which is rotatably mounted on the belt shaft of the belt retractor and which forces the locking pawl of the locking device to engage t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R22/36
CPCB60R22/36B60R22/405
Inventor U·博塞福尔克马尔·海涅M·阿米尔
Owner AUTOLIV DEV AB
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