Information from the State Intellectual Property Office shows that Nanjing Qijun Transportation Equipment Co., Ltd. has obtained a technology called “A positioning end wedge bolt”, with authorization announcement number CN223105012U.
The technical abstract shows that the utility model relates to the field of bolt technology, and discloses a positioning end wedge bolt, including a bolt head and a forward screw, wherein the bolt head and the forward screw are an integral whole, a thread bottom diameter is provided inside the forward screw, a nylon damping rod is provided inside the forward screw, the outer wall of the nylon damping rod is provided on the inner wall of the thread bottom diameter, the width of the nylon damping rod is greater than the thread pitch, the length of the nylon damping rod is greater than the thread bottom diameter, and a protective assembly is provided on the upper surface of the bolt head, which is used to protect other parts. In the utility model, the forward screw is installed in a suitable position, and then the nylon damping rod is placed inside the thread bottom diameter, and a nut is used to connect from the bottom of the forward screw. Since the thread pitch of the forward screw is equal to the diameter of the nylon damping rod, it can wrap around the matching nut, making the nut connection tighter, thereby achieving the effect of easy installation and tighter connection.
