Door frame structure with built-in light bar groove

The utility model discloses a structure with a built-in light bar groove on a door frame, which belongs to the field of refrigerated container doors, the refrigerated container door comprises four door frames and a hollow glass component, the door frames are assembled on the periphery of the hollow glass component, the surface of each door frame is provided with a light groove, a light bar is mounted in each light groove, and a light cover is mounted at the notch. The lamp groove is formed in the surface of the door frame, the limiting protrusions are arranged on the inner wall of the lamp groove to divide the interior of the lamp groove into an upper layer and a lower layer, the lamp strips are placed on the bottom layer, the lamp strips are sequentially connected in series through the electric wire firstly and then connected with an external power source, the lamp strips can be clamped through the limiting protrusions, and the inner lamp strips are prevented from shaking when the door is opened and closed;