X-ray tube

The utility model relates to an X-ray tube, comprising a waist hoop (1), the peripheral wall of the waist hoop (1) is provided with a window (4), and the window (4) is used for allowing X-rays to pass through; the cathode part (2) and the anode part (3) are fixedly connected to the two ends of the waist hoop (1) respectively in the axial direction; insulating oil flows through the heat dissipation assembly, and the heat dissipation assembly is configured to enable the insulating oil to flow through the periphery of the window (4). According to the X-ray tube provided by the utility model, the heat dissipation assembly and the oil circulation are additionally arranged around the window, so that the temperature of a brazing area of the window can be efficiently reduced, and the probability of vacuum leakage caused by thermal deformation of the brazing area is reduced. 本实用新型涉及一种X射线管，包括：腰箍(1)，所述腰箍(1)的外周壁设置有窗口(4)，所述窗口(4)用于使X射线穿过；阴极部(2)和阳极部(3)，所述阴极部(2)和所述阳极部(3)在轴向上分别固定连接于所述腰箍(1)的两端；以及散热组件，绝缘油在所述散热组件内流过，所述散热组件构造成使得所