Welding protective sleeve

The utility model discloses a welding protective sleeve, the welding protective sleeve comprises a first sleeve body and a second sleeve body, a flat plugging channel extending from one end to the other opposite end is formed in the first sleeve body, and the first sleeve body is used for plugging a UVW three-phase wiring end on a PCB; the second sleeve body is connected to the first sleeve body, and a horn-shaped welding channel extending from the inserting channel to the other opposite end is formed in the second sleeve body. According to the technical scheme of the utility model, the UVW three-phase wiring end on the PCB is plugged in the plugging channel of the first sleeve body and is exposed out of the welding channel of the second sleeve body, and when a tin welding gun is used for welding a lead, a molten tin wire falls into the horn-shaped welding channel and does not fall on the PCB, so that the PCB is prevented from being damaged. 本实用新型公开了一种焊接保护套，所述焊接保护套包括第一套体和第二套体，所述第一套体内部形成有由一端向相对的另一端延伸的扁平状的插接通道，