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fiber reinforced resin structure

A fiber-reinforced resin and structure technology, applied in thin material processing, vehicle seats, movable seats, etc., to achieve high mechanical properties and high-efficiency absorption

Active Publication Date: 2016-08-24
TORAY IND INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the structure disclosed in this Patent Document 3, deformation or destruction in the delamination direction, which has the highest risk of strength weakening, is generally presupposed in the fiber-reinforced resin structure. Utilize the high mechanical properties that were originally aimed at
In other words, it becomes a structure that sacrifices the high mechanical properties originally aimed at

Method used

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Embodiment Construction

[0031] Embodiments of the present invention will be described below.

[0032] figure 1 , figure 2 An embodiment of the present invention is shown, particularly a case where the fiber-reinforced resin structure of the present invention is configured as a frame structure for a seat back of a vehicle seat. exist figure 1 , figure 2 In the figure, reference numeral 1 denotes a frame structure for a seat back of a vehicle seat as an example of the fiber-reinforced resin structure of the present invention. The seat back frame structure 1 is constituted as an integral molded body of a fiber-reinforced resin structure using carbon fibers as reinforcing fibers. On both sides of the lower part of the frame structure 1 for the seat back, there are respectively provided in the approximately horizontal direction a connecting member (for example, a bolt) for connecting to other members, such as the rotation adjustment member 4 constituting a part of the seat frame 3 , to be inserted. ...

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PUM

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Abstract

The present invention provides a fiber-reinforced resin structure having a hole through which a connector for connecting other members is inserted, wherein the fiber-reinforced resin structure is characterized in that the load on the inner surface portion of the hole on which the load from the connector acts The strength is smaller than the fracture strength of the fiber reinforced resin constituting the part of the structure, wherein the load-bearing strength is expressed as, even if the load from the connecting member acting on the inner surface part of the hole does not increase, the inner surface part of the hole The displacement also starts to increase at the stress. Without increasing the number of parts and assembly processes, the structure can exhibit high mechanical properties, and the fiber-reinforced resin structure itself can not be broken, and the impact energy can be absorbed extremely efficiently only through local deformation or displacement and other loads applied from the outside.

Description

technical field [0001] The present invention relates to a fiber-reinforced resin structure, and more particularly to a fiber-reinforced resin structure having a hole for inserting a connecting member, for example, to a frame structure for a seat back suitable for a vehicle part, preferably a vehicle seat, etc. A fiber-reinforced resin structure, the connector is used to connect with other components. Background technique [0002] In recent years, structures made of fiber-reinforced resins have been used in various fields requiring high-strength properties and lightweight properties. Fiber-reinforced resins can achieve extremely high strength and rigidity, but they can cause brittle fractures and local fractures in response to impact loads. In areas where such fractures are undesirable, they are designed so that the The additional mechanism, for example, the member that connects the fiber-reinforced resin structure to another member is deformed or broken first, or the additi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60N2/68B29C70/06B60N2/427B60N2/64
CPCB60N2/682B60N2/686B60N2/42709B60N2/22B60N2/4228Y10T428/1369B29C70/06B60N2/4214F16B2200/63B60N2/663B29C70/86B60N2/68
Inventor 山口晃司清水信彦木本幸胤
Owner TORAY IND INC
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