PROBLEM TO BE SOLVED: To suppress the electric corrosion of a metallic collar by suppressing that a liquid invades between a fiber-reinforced resin (hereinafter referred to as "FRP") and a metallic collar.SOLUTION: A fastening structure of an FRP material 10 comprises: an FRP material 10 having a tabular portion 11 formed in a tabular shape, and a through hole 12 formed in the tabular portion 11; and a metal collar 13 mounted in the through hole 12 and having a fastener inserted into the metal collar. The collar 13 includes: body parts 18 and 22 formed into cylindrical shapes; and a pair of brim parts 17 and 21 extending individually to radially outer sides from the two end portions of the body parts 18 and 22 and having the tabular portion 11 adhered inbetween. The brim parts 17 and 21 have a plurality of protrusions 24 arranged on the adhesive surface to the tabular portion 11. The protrusions 24 are formed to have their leading end contacting the tabular portion 11, in the cases where the board thickness of the tabular portion 11 is a lower limit of a size tolerance and where the distance between the pair of brim parts 17 and 21 is the upper limit of the size tolerance.SELECTED DRAWING: Figure 2
【課題】液体が繊維強化樹脂(以下、「FRP」と称する)材と金属製のカラーとの間に浸入することを抑制することにより、金属製のカラーの電食を抑制する。【解決手段】FRP材10の締結構造は、板状に形成された板状部11と、板状部11に形成された貫通孔12とを有するFRP材10と、貫通孔12に装着されて、締結具が挿通される金属製のカラー13と、を備える。カラー13は、筒状に形成された本体部18,22と、本体部18,22の両端部からそれぞれ径方向外側に延在し、間に板状部11が接着される一対のツバ部17,21とを有し、ツバ部17,21は、板状部11との接着面に配設される複数の突起24を有する。突起24は、板状部11の板厚が寸法公差の下限値であり、かつ、一対のツバ部17,21間の距離が寸法公差の上限値である場合に、先端が板状部11に接触するように形成されている。【選択図】図2
FASTENING STRUCTURE FOR FIBER-REINFORCED RESIN MATERIAL
繊維強化樹脂材の締結構造
2017-10-26
Patent
Electronic Resource
Japanese
IPC: | F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B62D MOTOR VEHICLES , Motorfahrzeuge |
FASTENING PART STRUCTURE OF CFRP (CARBON FIBER REINFORCED RESIN)-MADE VEHICLE BODY SKELETON
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