The invention relates to the technical field of ship manufacturing, and discloses a suction cup which comprises a suction cup body, an air extractor and a lifting lug, the suction cup body is conical and provided with a mounting hole, the air extractor is fixedly connected with the suction cup body and comprises an outer pipe, an inner pipe, an end cover and a connecting spring, one end of the outer pipe penetrates through the mounting hole, and the other end of the outer pipe penetrates through the lifting lug. The inner pipe and the end cover are connected and then penetrate through the outer pipe through the other end of the outer pipe, the end cover abuts against the outer pipe, the suction cup body, the outer pipe and the end cover are matched to form a working cavity, the outer pipe is provided with a deflation hole communicated with the working cavity, a deflation bolt is arranged in the deflation hole, and the end cover is provided with a one-way ventilation valve so that gas in the working cavity can flow out. The connecting spring is arranged on the outer pipe in a sleeving mode and connected with the outer pipe and the inner pipe, and the lifting lug is fixedly connected with the suction cup body. Compared with the prior art, the suction cup is provided with the air extractor for regularly sucking air in the working cavity to increase the pressure difference between the inside and outside of the suction cup body, and long-time use of the suction cup is achieved.

    本发明涉及船舶制造技术领域,公开了一种吸盘,包括吸盘本体、抽气装置和吊耳,吸盘本体呈锥形设置并设有安装孔,抽气装置与吸盘本体固定连接,其包括外管、内管、端盖和连接弹簧,外管的一端穿设于安装孔中,内管和端盖相连接后通过外管的另一端穿设于外管内,端盖抵接外管,吸盘本体、外管和端盖配合形成工作腔,外管上开设有与工作腔相连通的放气孔,放气孔内设有放气螺栓,端盖上设有单向透气阀以使工作腔内的气体流出,连接弹簧套设于外管上并与外管和内管相连接,吊耳与吸盘本体固定连接。与现有技术相比,该吸盘通过设置抽气装置定期抽吸工作腔内的气体提升吸盘本体内外的压力差,实现了吸盘的长时间使用。


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    Titel :

    Sucking disc


    Weitere Titelangaben:

    一种吸盘


    Beteiligte:
    HUANG XIANGYU (Autor:in) / CHI LIWEI (Autor:in) / ZHANG YING (Autor:in) / SU QINGWEI (Autor:in)

    Erscheinungsdatum :

    07.06.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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