Plug bush formula ballpoint that nib end can give out light

The utility model provides a plug bush formula ballpoint that nib end can give out light that switch motion is stable, including handwriting subassembly (100) and pen socket subassembly (200), conveniently the selector pen is most advanced luminous or not luminous when writing, handwriting subassembly (100) according to head (5) and refill (7) set up battery (10) between the upper end, by the electric switch according to head (5) control, form between LED luminous element (6) and battery (10) one by the switch -on of electric on -off control or the electric return circuit of turn -offing, the electric switch is by the suit in big switch spring (13) and battery tray (9) the constitution according to head (5) lower extreme, when inserting the state, through the depth of inter fit who adjusts pen socket subassembly, select whether to press according to head (5) to control pen most advanced LED luminous element (6) are luminous or luminous conveniently and steadily when writing, compare prior art, the reduction o