The invention provides an internal pressurizing type metal round pipe gluing structure and a bicycle frame applying the same, bonding glue is clamped between sleeve section pipe bodies of an inner pipe and an outer pipe, and pin holes for a split bolt to penetrate through are formed in the sleeve section pipe bodies respectively; the double-screwing bolt is in butt joint with the inner threads in the inner pipe, and the screwing heads abut against the portions, beside the inner pipe pin holes, of the inner pipe body respectively, are contained in the outer pipe pin holes and can abut against the hole walls for limiting. The shortened double-screwing bolt is screwed, pressure is applied to the inner pipe through the screwing head of the double-screwing bolt, the inner pipe protrudes and deforms towards the inner pipe wall of the outer pipe in the direction perpendicular to the axial lead of the rod body of the double-screwing bolt, local pressure is applied to the outer pipe from the inside, and therefore the bonding strength is improved. The outer pipe does not need to deform, the appearance of the inner pipe is changed by screwing the bolts, an internal expansion structure is formed between the inner pipe and the outer pipe, local pressurization is conducted on the outer pipe from the inside, and therefore the bonding strength is improved; even if the glue loses efficacy, the plug-in structure can be prevented from losing efficacy by screwing the bolt, so that an effective protection effect is achieved.

    本发明提供了一种内增压式金属圆管胶接结构及应用其的自行车车架,内、外管在套接段管体之间夹设有粘接胶,套接段管体上分别开设有供对拧螺栓穿经的销孔;对拧螺栓在内管管内螺纹对接,旋拧头分别压抵内管销孔旁的内管管体且容纳于外管销孔,并与孔壁能够相抵限位;旋拧缩短对拧螺栓,通过对拧螺丝的旋拧头对内管施加压力,内管在垂直于对拧螺栓杆体轴心线的方向朝外管内管壁凸起变形,从内部对外管进行局部加压,从而增大粘合强度。本发明的外管无需变形,通过对拧螺栓改变内管外形,使内外管之间形成内胀结构,从内部对外管进行局部加压,从而增大粘合强度;即便胶水失效,对拧螺栓也可防止插接结构的失效,从而形成有效的保护作用。


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    Title :

    Internal pressurizing type metal round pipe glue joint structure and bicycle frame applying internal pressurizing type metal round pipe glue joint structure


    Additional title:

    内增压式金属圆管胶接结构及应用其的自行车车架


    Contributors:
    TANG JINGLIN (author) / ZHOU FANHAO (author) / LI HUI (author) / AN ERZHEN (author)

    Publication date :

    2023-06-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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