Extrusion core discharged solid drawing stick

The invention relates to an extrusion core discharged solid drawing stick. The extrusion core discharged solid drawing stick comprises an elastic sleeve, and a stick core accommodated in the sleeve; the stick core is bonded with the inner side wall of the sleeve, and can axially move relative to the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XU YUNBO, ZENG ZHAONENG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to an extrusion core discharged solid drawing stick. The extrusion core discharged solid drawing stick comprises an elastic sleeve, and a stick core accommodated in the sleeve; the stick core is bonded with the inner side wall of the sleeve, and can axially move relative to the sleeve along one axis; the sleeve is provided with a head end and a tail end; the two ends of the stick core are respectively a stick head and a stick tail; the stick tail is fixedly connected with an inner sleeve; the inner sleeve is provided with a connecting part connected with the stick tail and an extrusion part projected on the stick tail; and the extrusion part is extruded from the outer side wall of the sleeve, so that the stick head can penetrate through the head end of the sleeve to expose out of the sleeve. When the extrusion core discharged solid drawing stick is used, and after the part, exposed out of the sleeve, of the stick core is consumed, the inner sleeve is slightly extruded to extrude the stic