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Locking mechanism for a belt retractor

一种安全带卷收器、锁紧机构的技术，应用在皮带收紧器等方向，能够解决构件磨损等问题，达到好噪声特性、高稳定性、保障耐久性的效果

Active Publication Date: 2015-07-01
TRW AUTOMOTIVE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A disadvantage in this type of mounting of the inertial element is that due to the tolerances provided between the inertial element and the bearing point, the contact point between the mounting point and the inertial element moves depending on the rotational position of the belt reel
In addition, components wear due to friction caused by the movement of the contact parts

Method used

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  • Locking mechanism for a belt retractor
  • Locking mechanism for a belt retractor
  • Locking mechanism for a belt retractor

Examples

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Effect test

Embodiment Construction

[0022] figure 1 Shown is a seat belt retractor 10 with a locking mechanism 12 according to the invention. The belt retractor 10 has a frame 14 with a toothing region 16 . Furthermore, the belt retractor 10 has a belt reel 18 , the radial edge of which has teeth 20 . The toothing 20 of the belt reel 18 cooperates, if necessary, with the toothing region 16 of the frame 14 in order to lock the rotational movement of the belt reel 18 . Furthermore, the belt retractor 10 has a splice reel 22 which is driven by the belt reel 18 .

[0023] The locking mechanism 12 has an inertia element 24 which is coupled rotatably and prestressed to the engagement disk 22 via a spring 26 . In addition, the inertial element 24 is supported on bearings 28 . In order to stabilize the mounting of the inertial element 24 in the bearing 28 , an elastic holding element 30 , also referred to as a spring element, is provided. In addition, inertial element 24 has a pawl 32 .

[0024] exist figure 2 a...

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PUM

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Abstract

A locking mechanism (12) for a belt retractor (10), having an inertial element (24) which is mounted in a bearing (28) so as to be rotatable between an initial position and a locking position, the bearing (28) being a toe bearing.

Description

technical field [0001] The invention relates to a locking mechanism for a seat belt retractor comprising an inertial element which is rotatably mounted in a bearing between an initial position and a locking position. Background technique [0002] Seat belt retractors are used to protect occupants with seat belts. The belt is wound here on a belt reel from which it can be pulled out. If necessary, for example in the event of very severe vehicle deceleration, the belt reel is locked in a rotationally fixed manner in the unwinding direction of the belt so that the belt cannot be pulled out any further. The occupant who is buckled up with the seat belt thus participates in the deceleration of the vehicle. In order to lock the belt reel, the belt reel can have teeth which do not prevent the rotation of the belt reel during normal operation. When required, the belt reel is shifted into a locking position in which the teeth of the belt reel engage in one or more notches on the f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R22/36B60R22/38
CPCB60R22/38
Inventor J·林克V·弗鲁尔B·森格尔M·多贝尔T·基尔魏因B·西贝克A·施泰德勒
Owner TRW AUTOMOTIVE GMBH
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