This utility model discloses an
optical fiber coiling device, an optical engine, and an
optical module, including a coiling frame and a
limiter. The coiling frame has a first surface and a second surface facing each other. The second surface is provided with slots for accommodating or aligning the first and second optical components. The first surface is provided with an arc-shaped coiling channel, a coiling structure, and multiple positioning blocks. The
limiter cooperates with the first surface of the coiling frame. After the first
optical fiber leading from the slot of the first optical component on the second surface reaches the first surface, it is coiled and limited within the arc-shaped coiling channel. The second
optical fiber leading from the slot of the second optical component on the second surface is guided and limited to be led out along a non-coiling path. This utility model achieves
effective management and reliable fixation of different optical
fiber paths, ensuring the bending
radius of the optical
fiber. At the same time, the coiling frame integrates an optical component protective cover and auxiliary sealing function, effectively optimizing the internal space of the module, simplifying the
assembly process, and improving the reliability and production efficiency of the
optical module.