CN107465007A - 一种新型绝缘防水热缩端子 - Google Patents
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Abstract
本发明公开了一种新型绝缘防水热缩端子,它涉及一种端子。它包括双壁管和裸端子,双壁管内部安装有裸端子,所述双壁管由外壁层和内壁层组成,内壁层的外围设置有外壁层,外壁层和内壁层一体式成型,裸端子安装在内壁层中部,所述双壁管的内径范围为3‑8.5mm,壁厚范围为0.3‑0.9mm,双壁管热收缩后的内径范围为1‑2.7mm,所述外壁层与内壁层的厚度比在5:1到1:1之间,所述裸端子为紫铜制圆柱形中空端子,裸端子的内径范围为0.5‑6mm。本发明结构简单,设计合理,操作简便,防水密封性好,绝缘性能优异,实用性强,可靠性高,易于推广使用。
Description
技术领域
本发明涉及的是一种端子,具体涉及一种新型绝缘防水热缩端子。
背景技术
随着国家经济的高速发展,汽车等便捷的交通工具受到人们的青睐,目前国内常用的汽车接线端子一般为R型或Y型端子,该类型端子接线裸露在空气中,并无防水绝缘功能,当汽车线浸水后,很有可能造成汽车发生短路后无法重新启动;而目前解决该问题的方法一般是在端子外包一个热缩套管,然后进行焊封,但是热缩套管防水效果不好,且收缩后外形不美观,不易操作;另外在机车及户外广告等自动化设备需要在室外接线的领域,由于天气的原因,普通的端子也无法应用,热缩管在使用上也有局限性。
为了解决上述问题,设计一种新型的绝缘防水热缩端子还是很有必要的。
发明内容
针对现有技术上存在的不足,本发明目的是在于提供一种新型绝缘防水热缩端子,结构简单,设计合理,操作简便,防水密封性好,绝缘性能优异,实用性强,可靠性高,易于推广使用。
为了实现上述目的,本发明是通过如下的技术方案来实现:一种新型绝缘防水热缩端子,包括双壁管和裸端子,双壁管内部安装有裸端子,所述双壁管由外壁层和内壁层组成,内壁层的外围设置有外壁层,外壁层和内壁层一体式成型,裸端子安装在内壁层中部,其生产工艺为:将双壁管及裸端子安置在滚轴上滚动,并在滚动过程中通过滚轴一侧的热风枪对其进行加热塑型即可。
作为优选,所述双壁管的内径范围为3-8.5mm,壁厚范围为0.3-0.9mm,双壁管热收缩后的内径范围为1-2.7mm,外壁层与内壁层的厚度比在5:1到1:1之间。
作为优选,所述的外壁层采用乙烯-丙烯酸共聚物、乙烯-醋酸乙烯共聚物、沙林树脂、聚烯烃树脂中的一种或几种。
作为优选,所述的内壁层为热熔胶,包括乙烯-丙烯酸共聚物、乙烯-醋酸乙烯共聚物、聚氨酯中的一种。
作为优选,所述的裸端子为紫铜制圆柱形中空端子,裸端子的内径范围为0.5-6mm。
作为优选,所述双壁管的生产工艺为:(1)挤出成型:将外壁层采用的材料和内壁层采用的材料分别加入到主挤出机和侧挤出机中,主挤出机加工温度为150-180℃,侧挤出机加工温度80-140℃,挤出成型,然后冷却、吹干,制得双壁热缩管半成品;
(2)辐照:将上述步骤制备的双壁热缩管半成品放在放线架上,经过张力架引入辐照室,对制成的双壁热收缩管半成品进行循环照射和冷却,辐照剂量为5-15Mrad;
(3)扩张:将辐照好的导磁双壁热缩管进行加热、扩张定型、冷却后,制得成品双壁热缩管,加热过程中的温度为280-350℃,扩张倍数为2-4倍;
(4)切管:按规定尺寸将扩张后的双壁管用切管机切成制定尺寸,切管尺寸范围:35-45mm。
本发明的有益效果:(1)采用双层结构的外管,绝缘性能和耐磨性能良好,综合性能更佳;
(2)保证接线完全密封,达到防水的效果,防水密封性好;
(3)操作简单方便,外形美观,且接线效果好。
附图说明
下面结合附图和具体实施方式来详细说明本发明;
图1为本发明的结构示意图;
图2为本发明的工艺流程图。
具体实施方式
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施方式,进一步阐述本发明。
参照图1-2,本具体实施方式采用以下技术方案:一种新型绝缘防水热缩端子,包括双壁管1和裸端子2,双壁管1内部安装有裸端子,所述双壁管1由外壁层101和内壁层102组成,内壁层102的外围设置有外壁层101,外壁层101和内壁层102一体式成型,裸端子2安装在内壁层102中部,所述双壁管1的内径范围为3-8.5mm,壁厚范围为0.3-0.9mm,双壁管1热收缩后的内径范围为1-2.7mm,所述外壁层101与内壁层102的厚度比在5:1到1:1之间。
值得注意的是,所述的外壁层101采用乙烯-丙烯酸共聚物、乙烯-醋酸乙烯共聚物、沙林树脂、聚烯烃树脂中的一种或几种;内壁层102为热熔胶,包括乙烯-丙烯酸共聚物、乙烯-醋酸乙烯共聚物、聚氨酯中的一种。
此外,所述的裸端子2为紫铜制圆柱形中空端子,裸端子2的内径范围为0.5-6mm,裸端子2端子可以采用压接的方式,将两根线牢固的压接在一起,操作简单。
本具体实施方式双壁管1的生产工艺为:(1)挤出成型:将外壁层101采用的材料和内壁层102采用的材料分别加入到主挤出机和侧挤出机中,主挤出机加工温度为150-180℃,侧挤出机加工温度80-140℃,挤出成型,然后冷却、吹干,制得双壁热缩管半成品;
(2)辐照:将上述步骤制备的双壁热缩管半成品放在放线架上,经过张力架引入辐照室,对制成的双壁热收缩管半成品进行循环照射和冷却,辐照剂量为5-15Mrad;
(3)扩张:将辐照好的导磁双壁热缩管进行加热、扩张定型、冷却后,制得成品双壁热缩管,加热过程中的温度为280-350℃,扩张倍数为2-4倍;
(4)切管:按规定尺寸将扩张后的双壁管用切管机切成制定尺寸,切管尺寸范围:35-45mm。
所述双壁管1可以根据需要,在外壁层101材料制备的时候添加颜料,制成多种色彩的双壁热收缩管。
本具体实施方式的生产工艺如图2,将双壁管1及裸端子2安置在滚轴3上滚动,并在滚动过程中通过滚轴3一侧的热风枪4对其进行加热塑型即可,其中热风枪的温度设定在250-450℃,操作简单方便,生产效率较高。
本具体实施方式可接线范围为0.25-6mm2,外管采用绝缘外壁树脂层和粘结性较好的内壁层结合的方式,增强绝缘性能和耐磨性能,内层采用粘结性能好的热熔胶,这样可以保证接线时,加热热缩管使其收缩,热熔胶随之熔融,使其与接线完全密封,达到防水的效果,热缩管经过加热后可进行三倍收缩,可将插入该端子的铜线等线缆完全密封包裹,端子绝缘性能优异,防水性好,不受环境干扰,可靠性高,可应用于汽车、机车及户外广告等领域,具有广阔的市场应用前景。
实施例1:热缩端子的制备方法为:(1)制备双壁管:①将高密度聚乙烯(外壁层材料)和乙烯-醋酸乙烯共聚物(内壁层材料)分别加入到主挤出机和侧挤出机中,主挤出机加工温度为150-180℃,侧挤出机加工温度80-140℃,挤出成型,然后冷却、吹干,制得双壁热缩管半成品;
②辐照:将步骤①中制备的双壁热缩管半成品放在放线架上,经过张力架引入辐照室,对制成的双壁热收缩管半成品进行循环照射和冷却,辐照剂量为13Mrad;
③扩张:将步骤②中辐照好的导磁双壁热缩管进行加热、扩张定型、冷却后,制得成品双壁热缩管,从过程中加热温度为350℃,扩张倍数为3倍,扩张后的管材内径为4.8mm,壁厚0.55mm;
④切管:按规定尺寸将扩张后的双壁管用切管机切成制定尺寸,切管尺寸范围:37mm。
(2)将制备完成的双壁管和端子内径为1.25mm的裸端子安置在滚轴上滚动,并在滚动过程中通过热风枪对其进行加热塑型即可,其中热风枪的温度设定在450℃。
实施例2:热缩端子的制备方法为:(1)制备双壁管:①将沙林树脂(外壁层材料)和乙烯-醋酸乙烯共聚物(内壁层材料)分别加入到主挤出机和侧挤出机中,主挤出机加工温度为150-180℃,侧挤出机加工温度80-140℃,挤出成型,然后冷却、吹干,制得双壁热缩管半成品;
②辐照:将步骤①中制备的双壁热缩管半成品放在放线架上,经过张力架引入辐照室,对制成的双壁热收缩管半成品进行循环照射和冷却,辐照剂量为13Mrad;
③扩张:将步骤②中辐照好的导磁双壁热缩管进行加热、扩张定型、冷却后,制得成品双壁热缩管,从过程中加热温度为350℃,扩张倍数为3倍,扩张后的管材内径为5.8mm,壁厚0.6mm;
④切管:按规定尺寸将扩张后的双壁管用切管机切成制定尺寸,切管尺寸范围:39mm。
(2)将制备完成的双壁管和端子内径为2.5mm的裸端子安置在滚轴上滚动,并在滚动过程中通过热风枪对其进行加热塑型即可,其中热风枪的温度设定在350℃。
实施例3:热缩端子的制备方法为:(1)制备双壁管:①将乙烯-丙烯酸共聚物(外壁层材料)和乙烯-丙烯酸共聚物(内壁层材料)分别加入到主挤出机和侧挤出机中,主挤出机加工温度为150-180℃,侧挤出机加工温度80-140℃,挤出成型,然后冷却、吹干,制得双壁热缩管半成品;
②辐照:将步骤①中制备的双壁热缩管半成品放在放线架上,经过张力架引入辐照室,对制成的双壁热收缩管半成品进行循环照射和冷却,辐照剂量为13Mrad;
③扩张:将步骤②中辐照好的导磁双壁热缩管进行加热、扩张定型、冷却后,制得成品双壁热缩管,从过程中加热温度为350℃,扩张倍数为4倍,扩张后的管材内径为5.3mm,壁厚0.58mm;
④切管:按规定尺寸将扩张后的双壁管用切管机切成制定尺寸,切管尺寸范围:37mm。
(2)将制备完成的双壁管和端子内径为2.5mm的裸端子安置在滚轴上滚动,并在滚动过程中通过热风枪对其进行加热塑型即可,其中热风枪的温度设定在350℃。
实施例4:热缩端子的制备方法为:(1)制备双壁管:①将沙林树脂、乙烯-丙烯酸树脂的混合物(外壁层材料)和乙烯-醋酸乙烯共聚物(内壁层材料)分别加入到主挤出机和侧挤出机中,主挤出机加工温度为150-180℃,侧挤出机加工温度80-140℃,挤出成型,然后冷却、吹干,制得双壁热缩管半成品;
②辐照:将步骤①中制备的双壁热缩管半成品放在放线架上,经过张力架引入辐照室,对制成的双壁热收缩管半成品进行循环照射和冷却,辐照剂量为13Mrad;
③扩张:将步骤②中辐照好的导磁双壁热缩管进行加热、扩张定型、冷却后,制得成品双壁热缩管,从过程中加热温度为350℃,扩张倍数为4倍,扩张后的管材内径为6.8mm,壁厚0.68mm;
④切管:按规定尺寸将扩张后的双壁管用切管机切成制定尺寸,切管尺寸范围:42mm。
(2)将制备完成的双壁管和端子内径为5.5mm的裸端子安置在滚轴上滚动,并在滚动过程中通过热风枪对其进行加热塑型即可,其中热风枪的温度设定在300℃。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (6)
1.一种新型绝缘防水热缩端子,其特征在于,包括双壁管(1)和裸端子(2),双壁管(1)内部安装有裸端子,所述双壁管(1)由外壁层(101)和内壁层(102)组成,内壁层(102)的外围设置有外壁层(101),外壁层(101)和内壁层(102)一体式成型,裸端子(2)安装在内壁层(102)中部,所述双壁管(1)的内径范围为3-8.5mm,壁厚范围为0.3-0.9mm,双壁管(1)热收缩后的内径范围为1-2.7mm。
2.根据权利要求1所述的一种新型绝缘防水热缩端子,其特征在于,所述外壁层(101)与内壁层(102)的厚度比在5:1到1:1之间。
3.根据权利要求1所述的一种新型绝缘防水热缩端子,其特征在于,所述的外壁层(101)采用乙烯-丙烯酸共聚物、乙烯-醋酸乙烯共聚物、沙林树脂、聚烯烃树脂中的一种或几种。
4.根据权利要求1所述的一种新型绝缘防水热缩端子,其特征在于,所述的内壁层(102)为热熔胶,包括乙烯-丙烯酸共聚物、乙烯-醋酸乙烯共聚物、聚氨酯中的一种。
5.根据权利要求1所述的一种新型绝缘防水热缩端子,其特征在于,所述的裸端子(2)为紫铜制圆柱形中空端子,裸端子(2)的内径范围为0.5-6mm,裸端子(2)端子采用压接的方式,将需连接的两根线牢固的压接在一起。
6.根据权利要求1所述的一种新型绝缘防水热缩端子,其特征在于,其生产工艺为:(1)制备双壁管:①挤出成型:将外壁层(101)采用的材料和内壁层(102)采用的材料分别加入到主挤出机和侧挤出机中,主挤出机加工温度为150-180℃,侧挤出机加工温度80-140℃,挤出成型,然后冷却、吹干,制得双壁热缩管半成品;
②辐照:将上述步骤制备的双壁热缩管半成品放在放线架上,经过张力架引入辐照室,对制成的双壁热收缩管半成品进行循环照射和冷却,辐照剂量为5-15Mrad;
③扩张:将辐照好的导磁双壁热缩管进行加热、扩张定型、冷却后,制得成品双壁热缩管,加热过程中的温度为280-350℃,扩张倍数为2-4倍;
④切管:按规定尺寸将扩张后的双壁管用切管机切成制定尺寸,切管尺寸范围: 35-45mm;
(2)将制备好的双壁管(1)及裸端子(2)安置在滚轴(3)上滚动,并在滚动过程中通过滚轴(3)一侧的热风枪(4)对其进行加热塑型即可,其中热风枪(4)的温度设定在250-450℃。
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