Bag carriage screw

The utility model relates to a fixing tool field, specifically speaking relates to a bag carriage screw who is used for the needle machine. The utility model discloses (B, ) a bag carriage screw (b) includes polished rod portion and lead screw portion including head and screw pole, screw pole, the o...

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Bibliographische Detailangaben
Hauptverfasser:	QIAO QINGFENG, ZHU ZHONGQING
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a fixing tool field, specifically speaking relates to a bag carriage screw who is used for the needle machine. The utility model discloses (B, ) a bag carriage screw (b) includes polished rod portion and lead screw portion including head and screw pole, screw pole, the outer tip and the head fixed connection of polished rod portion, the external diameter of polished rod portion is greater than the external diameter of lead screw portion, and the length of polished rod portion is L1, and the length of lead screw portion is L2, 0.9L2&lt, L1&lt, 1.1L2, wherein, be equipped with connecting portion between polished rod portion and the lead screw portion, connecting portion are the round platform form. The utility model discloses divide into polished rod portion and lead screw portion with the screw pole, and the external diameter of lead screw portion is lighter than polished rod portion, consequently can be used for the fixed of equidimension mounting hole not, convenient to use.