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Retractor for seat belt, method of controlling the retractor, and seat belt device

A seat belt retractor and control device technology, which is applied in the direction of seat belts, belt retractors, vehicle safety arrangements, etc., can solve the problems of increased belt resistance and unreliable release of the adapter, and achieve reliable release and comfort The effect of the operating environment

Active Publication Date: 2010-01-06
AUTOLIV DEV AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the seat belt device having a motor disclosed in Patent Document 1, the adapter cannot be reliably released due to the winding speed or winding timing of the belt, and the resistance of the belt may increase.
Therefore, there is room for improvement in order to obtain a suitable operating environment for seat belts

Method used

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  • Retractor for seat belt, method of controlling the retractor, and seat belt device
  • Retractor for seat belt, method of controlling the retractor, and seat belt device
  • Retractor for seat belt, method of controlling the retractor, and seat belt device

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Embodiment Construction

[0059] Hereinafter, specific embodiments of the seat belt retractor, its control method and seat belt device will be described in detail with reference to the accompanying drawings.

[0060] figure 1 is a schematic diagram of a seat belt device according to an embodiment of the present invention, figure 2 yes figure 1 A schematic diagram of a seat belt retractor in, Figure 3-Figure 15 is a control flowchart for the seat belt retractor, and FIG. 16 is a longitudinal sectional view of the power transmission device, in which (A) is a view describing an engaged state of an adapter, and (B) is a view describing a released state of an adapter.

[0061] Such as figure 1 As shown, the seat belt device 1 includes: a seat belt retractor 100, which is fixed with one end of a belt 302 that holds the passenger 2 on the seat 301; passes through the anchor 303, so that the belt 302 is folded back near the shoulder of the passenger Tongue plate 305, which passes belt 302 and is combined...

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Abstract

The retractor (100) comprises a stop state detection means (118) detecting that drive signals are not inputted into a power generating means (110) and a drawing direction rotation detection means (119) detecting that the power generating means (110) is rotated in the drawing direction of webbing (302). A control means (200) drivingly controls the power generating means (110) so as to rotate it in the drawing direction of the webbing (302) when the stop state detection means (118) detects that the drive signals are not inputted into the power generating means (110) and the drawing direction rotation detection means (119) detects that the power generating means (110) is rotated in the drawing direction of the webbing (302).

Description

technical field [0001] The present invention relates to a seat belt retractor, a control method thereof, and a seat belt device, and more particularly to a seat belt retractor, a control method thereof, and a seat belt device which can be fastened easily by pulling out the seat belt without resistance. Background technique [0002] As a related seat belt device, there is known a seat belt device (for example, refer to Patent Document 1) in which a motor rotates a spindle as needed and the spindle winds a belt to restrain a passenger on a seat. In this related seat belt device, an adapter is provided in the retractor. The adapter is usually released beforehand when the passenger is seated and when the webbing is pulled out and fastened. The pull-out resistance of the belt is in a low state. [0003] Patent Document 1: Japanese Unexamined Patent Publication No.: JP-A-2001-16318 [0004] However, in the seat belt device having a motor disclosed in Patent Document 1, the adap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R22/34B60R22/48
CPCB60R22/44B60R2022/4473B60R22/34B60R21/01546B60W30/08B60R2011/0022
Inventor 绿川幸则
Owner AUTOLIV DEV AB
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