Wireless data transmission device with protection structure

The utility model discloses a wireless data transmission device with a protection structure, which comprises a shell, a protection assembly and a bottom plate, a transmission seat is mounted in the shell through bolts, a data line is mounted on one side of the transmission seat through bolts, an electrostatic eliminator is mounted at the bottom of the transmission seat through a wire, and the protection assembly is mounted on one side of the shell through bolts. A telescopic spring is installed in the protective shell through a bolt, a fixing block is installed at the top of the telescopic spring through a bolt, an emitter is installed at the top of the fixing block through a bolt, and an elastic knob is installed on one side of the fixing block through a threaded structure. The protection assembly is installed on one side of the shell, a worker can adjust the fixing block by rotating the tightness adjustment, and therefore the emitter can be contained in the protection shell, damage to the emitter when the e