CN104095366B - 带有条格凸起的伞柄内衬铜管 - Google Patents

带有条格凸起的伞柄内衬铜管 Download PDF

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CN104095366B
CN104095366B CN201410304296.6A CN201410304296A CN104095366B CN 104095366 B CN104095366 B CN 104095366B CN 201410304296 A CN201410304296 A CN 201410304296A CN 104095366 B CN104095366 B CN 104095366B
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CN104095366A (zh
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宋环
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Shandong Aishule Hygiene Products Co ltd
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Qingdao Rubber Valley Intellectual Property Co Ltd
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Abstract

本发明涉及一种带有条格凸起的伞柄内衬铜管,伞柄上设有套设在一起可抽拉伸缩的内柄管和外柄管,铜管固定设置在外柄管内壁上靠近内柄管套入的一端,内柄管外壁能够相对滑动的套入铜管内,横截面为圆形的铜管周向设有一段向内凹入的弧形导槽,导槽延伸方向铜管轴线平行,铜管上设有的导槽与内柄管和外柄管横截面形状吻合,铜管内壁上设有与其轴线方向一致的若干条凸起。本发明在铜管内壁设有沿周向的条形凸起,能够有效的较小铜管内壁与内柄管外壁之间的摩擦力,同时利用铜的延展性能能够较好的较少抽拉伸缩内柄管和外柄管时产生的刺耳噪声,并且有效实现了抽拉过程中摩擦力的稳定柔和,较少抽拉顿挫感。

Description

带有条格凸起的伞柄内衬铜管
技术领域
本发明涉及一种内衬铜管,尤其涉及一种带有条格凸起的伞柄内衬铜管。
背景技术
折叠伞是较为常见的生活用品,折叠伞的伞柄通常由能够相互套入并抽拉伸缩的管状结构,不锈钢材质的外柄管套入内柄管时,外柄管内壁与内柄管外壁产生摩擦较大,并且硬度较大的不锈钢材质的外柄管和内柄管相互抽拉摩擦时会产生异常刺耳的声音,抽拉过程中摩擦力的顿挫感较差,手拉动时手感差,长时间使用伞柄容易由于摩擦而损坏。现有技术中通常在内柄管和外柄管管壁之间设置摩擦性能较好的铜管,由于铜管价格较高,通常只使用一小段铜管固定在外柄管内壁上,内柄管和铜管内壁之间的摩擦性能会因为铜材质延展性较好,摩擦较为柔和,进而消除了噪音。但是现有技术中还是出现了铜管与内柄管之间摩擦力较大,较难将铜管固定在外柄管内壁上,以及铜管上导槽形状的产生和与伞柄横截面形状的匹配问题。
发明内容
本发明克服了现有技术的不足,提供一种能够减少内柄管与铜管之间摩擦力的带有条格凸起的伞柄内衬铜管。
为达到上述目的,本发明采用的技术方案为:一种带有条格凸起的伞柄内衬铜管,所述伞柄上设有套设在一起可抽拉伸缩的内柄管和外柄管,所述铜管固定设置在外柄管内壁上靠近所述内柄管套入的一端,所述内柄管外壁能够相对滑动的套入所述铜管内,其特征在于,横截面为圆形的所述铜管周向设有一段向内凹入的弧形导槽,所述导槽延伸方向所述铜管轴线平行,所述铜管上设有的所述导槽与所述内柄管和所述外柄管横截面形状吻合,所述铜管内壁上设有与其轴线方向一致的若干条所述凸起。
本发明一个较佳实施例中,若干条所述凸起间隔均匀的设置在除设有所述导槽结构的所述铜管内壁上。
本发明一个较佳实施例中,所述凸起的横截面为梯形,所述梯形下底设置在所述铜管内壁上,所述梯形上底为直线或向所述铜管外侧方向凸起的弧线。
本发明一个较佳实施例中,所述铜管侧壁上设有贯穿内外的弹卡孔,所述弹卡孔与所述外柄管上设有的弹卡孔位置一致的贯通。
本发明一个较佳实施例中,所述铜管上的所述弹卡孔为椭圆形,所述椭圆形长轴与所述铜管轴线方向一致。
本发明一个较佳实施例中,所述铜管外壁与所述外柄管内壁形状吻合的粘贴固定或卡扣固定在一起,所述内柄管外壁同时与若干个所述凸起内侧可轴向滑动的接触在一起。
本发明解决了背景技术中存在的缺陷,本发明在铜管内壁设有沿周向的条形凸起,能够有效的较小铜管内壁与内柄管外壁之间的摩擦力,同时利用铜的延展性能能够较好的较少抽拉伸缩内柄管和外柄管时产生的刺耳噪声,并且有效实现了抽拉过程中摩擦力的稳定柔和,较少抽拉顿挫感。
附图说明
下面结合附图和实施例对本发明进一步说明。
图1是本发明的内柄管、外柄管和铜管套设在一起的立体图;
图2是本发明的优选实施例铜管的立体图;
图3是现有技术中内柄管、外柄管和铜管的横截面结构示意图;
图4是本发明的优选实施例一的内柄管、外柄管和铜管套设在一起时的横截面结构示意图;
图5是本发明的优选实施例二的内柄管、外柄管和铜管套设在一起时的横截面结构示意图;
图中:1、内柄管,2、外柄管,3、铜管,4、导槽,5、弹卡孔,6、凸起,7、弧线,8、直线。
具体实施方式
现在结合附图和实施例对本发明作进一步详细的说明,这些附图均为简化的示意图,仅以示意方式说明本发明的基本结构,因此其仅显示与本发明有关的构成。
如图1-5所示,一种带有条格凸起6的伞柄内衬铜管3,伞柄上设有套设在一起可抽拉伸缩的内柄管1和外柄管2,铜管3固定设置在外柄管2内壁上靠近内柄管1套入的一端,内柄管1外壁能够相对滑动的套入铜管3内,横截面为圆形的铜管3周向设有一段向内凹入的弧形导槽4,导槽4延伸方向铜管3轴线平行,铜管3上设有的导槽4与内柄管1和外柄管2横截面形状吻合,导槽4的设置能够保证内柄管1、外柄管2和铜管3三者套设在一起时不会在周向发生相对旋转,使得弹卡装置能够很好的进入或者离开弹卡孔5,保证内柄管1和外柄管2相互间的锁紧。
铜管3内壁上设有与其轴线方向一致的凸起6。若干条凸起6间隔均匀的设置在除设有导槽4结构的铜管3内壁上,凸起6的横截面为梯形,梯形下底设置在铜管3内壁上,梯形上底为直线8或向铜管3外侧方向凸起6的弧线7。凸起6的设置能够使得内柄管1外壁与铜管3内壁之间的摩擦面积大大缩小,本发明优选凸起6的新传为梯形,其上底优选实施例一为弧形,这样能够更好的与内柄管1外壁表面契合。优选实施例二的上底为直线8。
铜管3侧壁上设有贯穿内外的弹卡孔5,弹卡孔5与外柄管2上设有的弹卡孔5位置一致的贯通,铜管3上的弹卡孔5为椭圆形,椭圆形长轴与铜管3轴线方向一致。椭圆形的弹卡孔5能够较好的使得弹卡装置较为容易的进入或者离开外柄管2上设有的弹卡孔5。
铜管3外壁与外柄管2内壁形状吻合的粘贴固定或卡扣固定在一起,这样铜管3不会任意的在外柄管2内滑动,并且保证了铜管3和外柄管2上分别设有的弹卡孔5能够内外匹配,不会相互错位,内柄管1外壁同时与若干个凸起6内侧可轴向滑动的接触在一起,铜管3的延展性能够能够使得两者之间的摩擦更加柔和,不会发出异响。
以上依据本发明的理想实施例为启示,通过上述的说明内容,相关人员完全可以在不偏离本项发明技术思想的范围内,进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定技术性范围。

Claims (1)

1.一种带有条格凸起的伞柄内衬铜管,所述伞柄上设有套设在一起可抽拉伸缩的内柄管和外柄管,所述铜管固定设置在外柄管内壁上靠近所述内柄管套入的一端,所述内柄管外壁能够相对滑动的套入所述铜管内,其特征在于,横截面为圆形的所述铜管周向设有一段向内凹入的弧形导槽,所述导槽延伸方向所述铜管轴线平行,所述铜管上设有的所述导槽与所述内柄管和所述外柄管横截面形状吻合,所述铜管内壁上设有与其轴线方向一致的若干条所述凸起;
若干条所述凸起间隔均匀的设置在除设有所述导槽结构的所述铜管内壁上;
所述凸起的横截面为梯形,所述梯形下底设置在所述铜管内壁上,所述梯形上底为直线或向所述铜管外侧方向凸起的弧线;
所述铜管侧壁上设有贯穿内外的弹卡孔,所述弹卡孔与所述外柄管上设有的弹卡孔位置一致的贯通;
所述铜管上的所述弹卡孔为椭圆形,所述椭圆形长轴与所述铜管轴线方向一致;
所述铜管外壁与所述外柄管内壁形状吻合的粘贴固定或卡扣固定在一起,所述内柄管外壁同时与若干个所述凸起内侧可轴向滑动的接触在一起。
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CN107449004A (zh) * 2017-09-04 2017-12-08 王钦兵 具有多腔结构的自动伸缩式吸油烟机
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