CN101314994B - 斜角推进式地锚 - Google Patents

斜角推进式地锚 Download PDF

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CN101314994B
CN101314994B CN2008100455783A CN200810045578A CN101314994B CN 101314994 B CN101314994 B CN 101314994B CN 2008100455783 A CN2008100455783 A CN 2008100455783A CN 200810045578 A CN200810045578 A CN 200810045578A CN 101314994 B CN101314994 B CN 101314994B
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CN101314994A (zh
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梁伟
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Chengdu Junfeng Technology Development Co Ltd
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Abstract

本发明涉及一种帐篷配件,特别是涉及一种斜角推进式地锚。它由地钉、转轴、锥形螺杆、连接杆、套环和固定架组成,其特征是:固定架为矩形围合体,其左、右两边的内侧分别有一与固定架连接的转轴,地钉上半部一侧有带螺纹的凹陷圆锥弧面,下半部为棱锥形,凹陷圆锥弧面相对的两个地钉的上端处于固定架中,锥形螺杆为倒圆台形,锥形螺杆处于两地钉上半部的凹陷圆锥弧面所围成的倒圆台形空间内。本发明可增加地钉与土壤之间的摩擦力,使地钉与地面的结合更紧密,而且拆卸非常方便、省力。

Description

斜角推进式地锚
技术领域
本发明涉及一种帐篷配件,特别是涉及一种斜角推进式地锚。
背景技术
人们搭建帐篷时,通常在其几个顶点设置与地面连接的拉线的方式来保证帐篷的稳固性,拉线接地钉的作用至关重要。帐篷具有流动性强的特征,为了使帐篷安设和撤离方便,帐篷接地钉除了安装方便、锚固坚固外,还需具备能方便取出的特性。而这三点往往存在着一定的矛盾,因此现有帐篷接地钉很难同时满足这三点要求。
例如专利号为91200576.9的名称为“用于固定帐篷或桅杆等可移动建筑物的地锚”公开了一种把器具固定在地面的装置,它包括一根尖头钢板,固定其上的几根倒刺钢丝以及一根在其上摆动的系挂拉绳用的钢丝环3组成,用钢钎和铁锤把它送入地下。该产品有两个缺点:一是重复使用时因有倒刺不便拔出,二是倒刺起固定作用时有向上松动间隙。
例如专利号为03255887.2的名称为“一种帐篷和直杆状物体地面固定器”,其特征是利用三根圆柱体钉来提高其稳定性和附着力,由于每根圆柱体钉都没有可锚固的结构特征,因此在外拉力较大时,三根圆柱体钉仍然有被拔离地面的可能。
发明内容
本发明为解决现有技术的不足,提供一种既能与地面紧密结合,又能轻易拆卸的斜角推进式地锚。
解决本发明技术问题的方案是:斜角推进式地锚由地钉、转轴、锥形螺杆、连接杆、套环和固定架组成。
固定架为矩形围合体,其左、右两边的内侧分别有一与固定架连接的转轴。地钉为长条形,地钉上半部一侧有带螺纹的凹陷圆锥弧面,地钉上端的另一侧有一环形通孔,地钉下半部为棱锥形,凹陷圆锥弧面相对的两个地钉的上端处于固定架中,两转轴分别处于两地钉上端侧面的环形通孔中,与环形通孔成动配合关系。锥形螺杆为倒圆台形,其侧面有与地钉上半部侧面的凹陷圆锥弧面上的螺纹相配合的螺纹,其锥度与地钉上半部侧面的凹陷圆锥弧面的锥度相同。锥形螺杆的上端有与之为一整体的连接杆,连接杆上端有一与连接杆为一整体的套环。锥形螺杆处于两地钉上半部的凹陷圆锥弧面所围成的倒圆台形空间内。
使用时,先用铁锤将地钉竖直送入地下,再顺时针转动锥形螺杆使其向下推进,转动时若力量不够,可用一棒插入套环中以增大动力矩。锥形螺杆向下运动时,作用在地钉的凹陷圆锥弧面上的水平方向压力传递到位于地面以下的与地钉外侧相接触的土壤上,地钉与土壤之间的摩擦力即加强。需要取出地钉时,只需逆时针方向旋转锥形螺杆,使其退出,地钉与土壤之间的摩擦力减弱,地钉就可很方便地被拔出。
采用上述方案,能达到以下效果:
1.锥形螺杆与地钉的凹陷圆锥弧面的配合,可将施加在地钉的地面以上部分的水平方向的压力传递到地面以下的与地钉相接触的土壤上,增加了地钉侧面对土壤的压力,从而增加了地钉与土壤之间的摩擦力,使地钉与地面的结合更紧密。即使在松软的土地、或地钉与土壤的摩擦系数较小时,斜角推进式地锚也能牢固地固定在地上。
2.由于将锥形螺杆旋出后,地钉与土壤之间的摩擦力大大减弱,可轻易将地钉拔出,使斜角推进式地锚的拆卸非常方便。
3.由于在旋转锥形螺杆时,可借助一棒插入套环中来增大动力矩,因此使地钉的安装和拆卸过程更省力。
附图说明
图1为斜角推进式地锚的平面示意图;
图2为斜角推进式地锚的纵向剖面图。
图中:1.地钉  2.转轴  3.锥形螺杆  4.连接杆  5.套环  6.固定架
具体实施方式
下面结合附图和实施例对本发明作进一步的描述。
斜角推进式地锚由地钉1、转轴2、锥形螺杆3、连接杆4、套环5和固定架6组成。固定架6为矩形围合体,其左、右两边的内侧分别有一与固定架6连接的转轴2。地钉1为长条形,地钉1上半部一侧有带螺纹的凹陷圆锥弧面,地钉1上端的另一侧有一环形通孔,地钉1下半部为棱锥形,凹陷圆锥弧面相对的两个地钉1的上端处于固定架6中,两转轴2分别处于两地钉1上端侧面的环形通孔中,与环形通孔成动配合关系。锥形螺杆3为倒圆台形,其侧面有与地钉1上半部侧面的凹陷圆锥弧面上的螺纹相配合的螺纹,其锥度与地钉1上半部侧面的凹陷圆锥弧面的锥度相同。锥形螺杆3的上端有与之为一整体的连接杆4,连接杆4上端有一与连接杆4为一整体的套环5。锥形螺杆3处于两地钉1上半部的凹陷圆锥弧面所围成的倒圆台形空间内。使用时,先用铁锤将地钉1竖直送入地下,再顺时针转动锥形螺杆3使其向下推进,转动时若力量不够,可用一棒插入套环5中以增大动力矩。锥形螺杆3向下运动时,作用在地钉1的凹陷圆锥弧面上的水平方向压力传递到位于地面以下的与地钉1外侧相接触的土壤上,地钉1与土壤之间的摩擦力即加强。需要取出地钉1时,只需逆时针方向旋转锥形螺杆3,使其退出,地钉1与土壤之间的摩擦力减弱,地钉1就可很方便地被拔出。

Claims (1)

1.一种斜角推进式地锚由地钉、转轴、锥形螺杆、连接杆、套环和固定架组成,其特征是:固定架为矩形围合体,其左、右两边的内侧分别有一与固定架连接的转轴,地钉为长条形,地钉上半部一侧有带螺纹的凹陷圆锥弧面,地钉上端的另一侧有一环形通孔,地钉下半部为棱锥形,凹陷圆锥弧面相对的两个地钉的上端处于固定架中,两转轴分别处于两地钉上端侧面的环形通孔中,与环形通孔成动配合关系,锥形螺杆为倒圆台形,其侧面有与地钉上半部侧面的凹陷圆锥弧面上的螺纹相配合的螺纹,其锥度与地钉上半部侧面的凹陷圆锥弧面的锥度相同,锥形螺杆的上端有与之为一整体的连接杆,连接杆上端有一与连接杆为一整体的套环,锥形螺杆处于两地钉上半部的凹陷圆锥弧面所围成的倒圆台形空间内。
CN2008100455783A 2008-07-17 2008-07-17 斜角推进式地锚 Expired - Fee Related CN101314994B (zh)

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CA2811531A1 (en) * 2010-09-22 2012-03-29 Kirsty Burgess Tent peg
CN104018728B (zh) * 2014-05-20 2017-03-08 陈金杰 一种用于野外帐篷支杆的固定件
EP3259750A1 (en) * 2015-02-18 2017-12-27 Portable Branding (PTY) Ltd Display device and connector for a display device
CN104711982A (zh) * 2015-03-31 2015-06-17 德清易成进出口有限公司 螺旋式带锁紧地钉
CN110886535A (zh) * 2018-09-10 2020-03-17 苏宣维 多功能露营钉定位调整结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2467678Y (zh) * 2001-03-19 2001-12-26 俞苗根 一种地锚装置
WO2007033413A1 (en) * 2005-09-20 2007-03-29 Stephen Mark Lewenhoff Ground anchor
CN201225025Y (zh) * 2008-07-17 2009-04-22 梁伟 斜角推进式地锚

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2467678Y (zh) * 2001-03-19 2001-12-26 俞苗根 一种地锚装置
WO2007033413A1 (en) * 2005-09-20 2007-03-29 Stephen Mark Lewenhoff Ground anchor
CN201225025Y (zh) * 2008-07-17 2009-04-22 梁伟 斜角推进式地锚

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