Vehicular optical transmitter and receiver

The utility model discloses a vehicular optical transmitter and receiver, include the casing and be located the installation department that the casing both sides are used for installing the casing, the casing both sides are equipped with the slot, the installation department is close to slot one side and is equipped with the installation arch that is used for cooperating the slot, be equipped with the guide hole in the installation arch, guide hole internalization cartridge has the shock attenuation frame that is used for slowing down the impact, the upper and lower both ends of shock attenuation frame and the both sides facial features laminating of slot. The utility model discloses set up damping spring on the shock attenuation frame, be equipped with the installation department on thecasing, be equipped with the movable span on the installation department, utilize the guide pillar to move about in the movable span, the damping spring suit is on the guide pillar, in the time of vibrations, the casing follo