A pretensioner for a seat belt of a vehicle is disclosed. According to an embodiment of the present invention, the pretensioner for a seat belt of a vehicle is installed in a side sill of a vehicle and operated to pull the seat belt by pushing a piston into a tube by high pressure gas of a gas generator using explosive power of gunpowder formed on one side of a bracket while the piston is connected to the seat belt through a wire inside the tube. Inner and outer weld nuts fixated to each one side of an inner surface and an outer surface of the side sill. The tube has a screw unit formed on the outer circumferential surface of both end parts to penetrate the side sill in the vehicle width direction to enable both end parts to be fastened to inner and outer weld nuts, respectively.

    차량의 안전벨트용 프리텐셔너가 개시된다. 본 발명의 실시 예에 따른 차량의 안전벨트용 프리텐셔너는 차량의 사이드 실에 설치되며, 튜브 내부에 피스톤이 와이어를 통하여 안전벨트와 연결된 상태로, 브라켓의 일측에 구성된 화약의 폭발력을 이용하는 가스발생기의 고압가스에 의해 상기 피스톤을 튜브 내부로 밀어 넣어 상기 안전벨트를 당기도록 작동하는 안전벨트용 프리텐셔너에 있어서, 상기 사이드 실의 내, 외측면 각 일측에 고정되는 내, 외측 웰드너트를 포함하며, 상기 튜브는 양 단부 외주면에 나사부를 형성하여 상기 사이드 실을 차폭방향으로 관통하여 상기 내, 외측 웰드너트에 양 단부가 각각 체결된다.


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    Title :

    PRE-TENSIONER FOR SEAT BELT OF VEHICLES


    Additional title:

    차량의 안전벨트용 프리텐셔너


    Contributors:
    LEE IN BUM (author) / KWAK DONG HYUK (author)

    Publication date :

    2018-10-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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



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