A reversible one-way wrench includes a handle, a wrench head, a reversing mechanism and a one-way locking mechanism. The wrench head includes a wrench head and an installation shaft, which can be rotatably pierced through the installation hole of the wrench head through an axial limit. The one-way locking mechanism comprises at least one roller and a roller holding cavity corresponding to the number of rollers, and the roller holding cavity is located in the said wrench head. Between the outer surface of the mounting shaft and the inner wall of the wrench head mounting hole, each roller accommodation cavity is composed of two large ports of the wedge cavity, which is surrounded by the outer surface of the mounting shaft and the inner wall of the wrench head mounting hole. The width of the large port of the wedge cavity is larger than the diameter of the roller, and the width of the small port of the wedge cavity is smaller than the diameter of the roller. The utility model realizes one-way locking by the self-locking of the roller in the wedge cavity, and pushes the roller driving part to shift upward by the rotation of the reversing driving part, thereby pushing the roller to shift and switch in the two wedge cavities, thus realizing two-way reversing and switching.
【技术实现步骤摘要】
一种可换向单向扳手
本技术属于手动工具
,尤其与一种可换向单向扳手有关。
技术介绍
现有的单向扳手在拧动螺母的时候,如果单向扳手套错或者想改变方向拧动螺母时,需要将单向扳手换一头重新套到螺母上,使用极为不便。
技术实现思路
针对现有单向扳手存在换向不方便的问题,本技术旨在提供一种可换向单向扳手。为此,本技术采用以下技术方案:一种可换向单向扳手,包括手柄和扳手头,所述的手柄的头部设置容置所述扳手头的扳手头安装孔,其特征在于:所述的可换向单向扳手还包括换向机构和单向锁位机构,所述的扳手头包括扳头部和安装轴部,安装轴部通过轴向限位可旋转式穿装于所述扳手头安装孔中;所述单向锁位机构包括至少一根滚柱以及与滚柱数量对应的滚柱容置腔,滚柱容置腔位于所述安装轴部外周面和所述扳手头安装孔内壁之间,每一个滚柱容置腔由两个楔形腔大端口相对组成,楔形腔由所述安装轴部外周面和所述扳手头安装孔内壁对夹围成,楔形腔大端口宽度大于滚柱直径,楔形腔小端口宽度小于滚柱直径;所述换向机构包括换向器和换向器限位机构,换向器包括滚柱推动部和用于连接固定滚柱推动部的换向推动部,每相邻两个所述滚柱容置腔之间由一 ...
【技术保护点】
1.一种可换向单向扳手,包括手柄(1)和扳手头(2),所述的手柄(1)的头部设置容置所述扳手头(2)的扳手头安装孔,其特征在于:所述的可换向单向扳手还包括换向机构和单向锁位机构,所述的扳手头(2)包括扳头部(22)和安装轴部(21),安装轴部(21)通过轴向限位可旋转式穿装于所述扳手头安装孔中;所述单向锁位机构包括至少一根滚柱(4)以及与滚柱数量对应的滚柱容置腔,滚柱容置腔位于所述安装轴部外周面和所述扳手头安装孔内壁之间,每一个滚柱容置腔由两个楔形腔大端口相对组成,楔形腔由所述安装轴部外周面和所述扳手头安装孔内壁对夹围成,楔形腔大端口宽度大于滚柱直径,楔形腔小端口宽度小于滚 ...
【技术特征摘要】
1.一种可换向单向扳手,包括手柄(1)和扳手头(2),所述的手柄(1)的头部设置容置所述扳手头(2)的扳手头安装孔,其特征在于:所述的可换向单向扳手还包括换向机构和单向锁位机构,所述的扳手头(2)包括扳头部(22)和安装轴部(21),安装轴部(21)通过轴向限位可旋转式穿装于所述扳手头安装孔中;所述单向锁位机构包括至少一根滚柱(4)以及与滚柱数量对应的滚柱容置腔,滚柱容置腔位于所述安装轴部外周面和所述扳手头安装孔内壁之间,每一个滚柱容置腔由两个楔形腔大端口相对组成,楔形腔由所述安装轴部外周面和所述扳手头安装孔内壁对夹围成,楔形腔大端口宽度大于滚柱直径,楔形腔小端口宽度小于滚柱直径;所述换向机构包括换向器(3)和换向器限位机构,换向器包括滚柱推动部(33)和用于连接固定滚柱推动部(33)的换向推动部(32),每相邻两个所述滚柱容置腔之间由一个滚柱推动部分隔,换向器相对于所述安装轴部的周向位置由换向器限位机构限位,所述换向器限位机构包括弹簧(7)、容置弹簧(7)的定位孔(8)、限位滚珠(5)和与限位滚珠配合的限位槽(6),弹簧的弹力顶撑限位滚珠使限位滚珠一部分位于限位槽中。2.根据权利要求1...
【专利技术属性】
技术研发人员:杨伟开,
申请(专利权)人:新昌县凯尔特电器有限公司,
类型:新型
国别省市:浙江,33
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