Training device

A training device for training a user's grip and strength. A rod element is disposed through a concave tube disposed at a first end of the rod. The rod extends through the male tube inserted into at least a portion of the female tube. A grommet is disposed on the rod inside the female tube and adjoins the male tube. A fastening device is coupled to the first end of the rod to mitigate movement of the grommet toward the first end. A tensioner is rotatably attached to the second end of the rod, where, when the tensioner is rotated clockwise, the male tube is pressed forward against the grommet, which is compressed between the male tube and the fastening means, thereby expanding inside the female tube. Pressing the grommet against the interior of the female tube provides the user with the required resistance to rotate the attached training member. 一种用于训练使用者的抓握和力量的训练设备。杆元件被设置为穿过设置在该杆的第一端部处的凹型管。杆延伸穿过插入到凹型管的至少一部分中的凸型管。索环设置在杆上、在凹型管内部，并且邻接凸型管。紧固装置联接到杆的第一端部，从而缓和索环朝向第一端部的运动。张紧器可旋转地附接到杆的第二端部，其中，当张紧器顺时针旋转时，将凸型管向前压靠索环，索环在