The utility model relates to the field of medical devices, in particular to a needle free dosing threaded connector, which comprises a valve body, a valve cavity and the valve cavity in the valve body, the valve body for dosing opening, dosing estuary with a lid, the body is connected with a valve chamber, a medicine outlet for both ends of the medicine; the mouth outer wall slip thread; valve cavity is provided with a spool, spool and the top extends into the feeding port and the top of the valve core is hollow, hollow below the liquid through hole, the through hole and the liquid end opening at the top of the valve core hollow with an opening at one end of the spool on the side wall of the side wall at the bottom; spool with a convex shoulder, a raised on the valve body and the valve cavity corresponding to the valve cavity connection; under the surface at the bottom of the valve core is connected with the elastic member, the elastic member is arranged at the lower end of the valve seat, the valve seat is arranged on a tube. When assembled, only need to be from a spool and an elastic member is inserted, and then install the assembly seat can be completed, increasing the fluid channel, reducing drug pushing resistance.
【技术实现步骤摘要】
本技术涉及医疗器械领域,特别涉及一种带螺纹的免针加药连接器。技术背景现有技术的加药连接器包括一三通式的阀体,阀体内设有阀芯,阀芯通过一弹性密封件密封其中之一的加药口,三通的另一出口与注液泵药囊连通,第三个出口与输液管通。当需向注液泵加液时,用注射器从加药口向阀体内推药,药液从加药口将阀芯推开进入阀腔,从出药口被压入注液泵的气囊内,加药结束后,阀芯复位关闭阀腔。正常注液时,液体从注液泵的气囊压入阀腔,经三通的另一出口进入输液管对人体进行输液。这种结构的加药器主要缺点是,结构复杂,并且使用时候,加药时推药阻力大。
技术实现思路
本技术针对现有技术存在的问题,提供一种组装方便,推药阻力小的加药连接器。具体的技术方案为:带螺纹的免针加药连接器,包括阀体,阀体内设有上阀腔和下阀腔,阀体顶端为加药口,加药口外有盖子,阀体下阀腔连接有出药管,出药管两端为出药口;出药口外壁有防滑的螺纹;上阀腔内设有阀芯,所述的阀芯顶部伸入到加药口,阀芯顶部中空,中空下方有药液通孔,药液通孔一端开口与阀芯顶部中空连通,一端开口在阀芯侧壁上;阀芯底部侧壁有凸起的肩部,对应的阀体的上阀腔和下阀腔连接处有凸起,凸起与阀芯的肩部相互抵靠限位,凸起处有密封圈;阀芯底部的下表面连接有弹性部件,弹性部件下端为阀座,阀座安装在出药管上。所述的阀座上表面有环形凹槽,弹性部件的下端连接有球,球位于环形凹槽内。所述的阀座通过螺纹与出药管连接。所述的阀芯顶部外壁有垂直的导向条,对应的阀体上阀腔的内壁有导向槽。本技术提供的带螺纹的免针加药连接器,组装时,只需要将阀芯和弹性部件从出药管插入,然后再安装上阀座即可完成组装 ...
【技术保护点】
带螺纹的免针加药连接器,包括阀体(2),其特征在于:阀体(2)内设有上阀腔和下阀腔,阀体(2)顶端为加药口,加药口外有盖子(1),阀体(2)下阀腔连接有出药管(3),出药管(3)两端为出药口;出药口外壁有防滑的螺纹;上阀腔内设有阀芯(4),所述的阀芯(4)顶部伸入到加药口,阀芯(4)顶部中空,中空下方有药液通孔(5),药液通孔(5)一端开口与阀芯(4)顶部中空连通,一端开口在阀芯(4)侧壁上;阀芯(4)底部侧壁有凸起的肩部(6),对应的阀体(2)的上阀腔和下阀腔连接处有凸起,凸起与阀芯(4)的肩部(6)相互抵靠限位,凸起处有密封圈(10);阀芯(4)底部的下表面连接有弹性部件(7),弹性部件(7)下端为阀座(8),阀座(8)安装在出药管(3)上。
【技术特征摘要】
1.带螺纹的免针加药连接器,包括阀体(2),其特征在于:阀体(2)内设有上阀腔和下阀腔,阀体(2)顶端为加药口,加药口外有盖子(1),阀体(2)下阀腔连接有出药管(3),出药管(3)两端为出药口;出药口外壁有防滑的螺纹;上阀腔内设有阀芯(4),所述的阀芯(4)顶部伸入到加药口,阀芯(4)顶部中空,中空下方有药液通孔(5),药液通孔(5)一端开口与阀芯(4)顶部中空连通,一端开口在阀芯(4)侧壁上;阀芯(4)底部侧壁有凸起的肩部(6),对应的阀体(2)的上阀腔和下阀腔连接处有凸起,凸起与阀芯(4)的肩部(6)相互抵靠限位,凸起处有密封...
【专利技术属性】
技术研发人员:林清华,
申请(专利权)人:锐嘉宜兴科技有限公司,
类型:新型
国别省市:江苏;32
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