GrabCAD 模型信息
KNUCKLE JOINT · 模型 319046
A knuckle joint is a mechanical device used to connect two rods that are subjected to tensile loads and require a small amount of angular or rotational movement in one plane. It provides a temporary connection, meaning it can be easily assembled or disassembled when needed. The joint mainly consists of three parts: the eye, fork, and knuckle pin. The eye is the end of one rod having a single hole, while the fork is the end of the other rod with two eyes or slots. The eye fits between the two arms of the fork, and the knuckle pin passes through all three holes to connect them securely. A collar or taper pin is often used to lock the knuckle pin in place and prevent it from sliding out. When a tensile force is applied, the load is transmitted through the pin, allowing the connected rods to carry the force effectively while permitting slight angular motion. The stresses that act on the joint include tensile stress on the rods, shear stress on the pin (usually in double shear), and bearing stress between the pin and the eye or fork. Knuckle joints are commonly made of mild steel or forged steel, and the pins are often case-hardened to resist wear and tear. They are widely used in tie rods, tension links in cranes, connecting rods, railway couplings, and structural linkages. The knuckle joint is simple in design, easy to assemble, and provides flexibility where slight movement is required, but it is not suitable for compressive loads, as the pin may bend under pressure.
- 格式
- SOLIDWORKS
- 分类
- Industrial design、Machine design
- 标签
- solidworks
- 数据更新
- 2026-11-03T07:51:39Z