Energy-saving lamp with good protection effect

The energy-saving lamp with the good protection effect comprises a lamp holder, a lamp shell and a lamp tube, the lamp holder and the lamp tube are fixedly connected to the upper end and the lower end of the lamp shell respectively, square grooves are formed in the middle of the lamp shell in the circumferential direction at equal intervals, and limiting holes are formed in the left side and the right side in each square groove respectively. According to the LED lamp, the waterproof ring is arranged between the lamp shell and the lamp holder, so that rainwater can be prevented from entering the lamp holder; and by arranging the protective cover, the connecting part of the lamp shell and the lamp tube can be shielded from rainwater, the short-circuit influence of the rainwater on the energy-saving lamp is reduced on the whole, the protective effect is good, and the service life of the energy-saving lamp can be prolonged. 本实用新型公开了一种防护效果好的节能灯，包括灯头、灯壳、灯管，所述灯壳上、下两端分别固定连接有灯头和灯管，灯壳中间位置沿周向等距开设有方形槽，所述方形槽里面左、右两边分别设置有限位