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注射(she)器(qi)針筒模(mo)具,包括固(gu)定側(ce)(ce)取付板(ban)、可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)取付板(ban)、定位(wei)環(huan)和(he)澆口套(tao),其特(te)征(zheng)在(zai)(zai)于在(zai)(zai)固(gu)定側(ce)(ce)型腔板(ban)上(shang)設有循環(huan)的冷卻(que)水道,在(zai)(zai)固(gu)定側(ce)(ce)型腔板(ban)上(shang)用(yong)可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)開(kai)(kai)模(mo)拉(la)桿螺(luo)栓螺(luo)紋連(lian)接有可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)開(kai)(kai)模(mo)拉(la)桿,可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)開(kai)(kai)模(mo)拉(la)桿活(huo)動(dong)(dong)地裝在(zai)(zai)可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)推(tui)板(ban)的孔中(zhong),在(zai)(zai)可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)取付板(ban)上(shang)用(yong)可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)限(xian)位(wei)拉(la)桿螺(luo)栓螺(luo)紋連(lian)接有可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)限(xian)位(wei)拉(la)桿,可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)限(xian)位(wei)拉(la)桿活(huo)動(dong)(dong)地穿在(zai)(zai)可(ke)(ke)(ke)(ke)動(dong)(dong)側(ce)(ce)推(tui)板(ban)的孔中(zhong)。該實用(yong)新(xin)型生(sheng)產注射(she)器(qi)針筒,模(mo)具結構簡(jian)單,循環(huan)的水冷卻(que)均衡,成型周(zhou)期短,生(sheng)產效率(lv)高。
一次性注(zhu)射器(qi)的(de)針筒(tong)結構,包(bao)括(kuo)一中(zhong)空(kong)筒(tong)體(ti)(ti),該中(zhong)空(kong)筒(tong)體(ti)(ti)近尾端內壁上(shang)設有與推桿上(shang)限(xian)位臺階配合的(de)環(huan)(huan)形凹槽(cao),其特征在(zai)于(yu):所述環(huan)(huan)形凹槽(cao)由前(qian)、后凸環(huan)(huan)構成槽(cao)壁,其中(zhong)后凸環(huan)(huan)高(gao)度大于(yu)前(qian)凸環(huan)(huan)0.25mm~0.35mm。本產品通(tong)過前(qian)、后凸環(huan)(huan)的(de)高(gao)度差(cha),使(shi)推桿在(zai)使(shi)用過后在(zai)不破壞(huai)中(zhong)空(kong)筒(tong)體(ti)(ti)的(de)情況不易被拉出(chu),保證了(le)注(zhu)射器(qi)“一次性”的(de)使(shi)用安全性,有利于(yu)杜(du)絕(jue)交叉感染。