The utility model belongs to the field of
lithium battery production, and particularly relates to an 18650
lithium battery safety protection device which comprises a base, a protection shell and a mounting seat, the base and the protection shell are mounted through bolts, and a
lithium battery body is arranged in the mounting seat; the protection
assembly is mounted in the mounting seat and the protection shell; the sliding
assembly is installed on the top of the base. According to the
lithium battery provided by the invention, the mounting seat and the protection
assembly are matched for use, the mounting seat is of a scale for separating single
lithium battery main bodies, so that friction and collision between the
lithium battery main bodies are reduced, and meanwhile, the protection shell at the top and the insulating sheet at the bottom are both made of light,
flame-retardant and high-temperature-resistant insulating materials, so that protection on the two sides is increased, and the effect of facilitating replacement is achieved; and meanwhile, the sliding assembly increases the pulling effect on the mounting seat, the lithium battery main body can be conveniently put in and taken out, and the fixing assembly achieves the effect of positioning the mounting seat, so that the protection function is increased, and the lithium battery main body can be conveniently disassembled, assembled and taken out.