Riveting type three-split photovoltaic junction box

The utility model provides a riveting type three-split photovoltaic junction box, which comprises a positive junction box, a middle junction box and a negative junction box, and each of the positive junction box, the middle junction box and the negative junction box comprises a box body and a photovoltaic assembly. The photovoltaic module comprises a first conductive terminal, a second conductive terminal and a packaging diode, and the packaging diode is arranged between the first conductive terminal and the second conductive terminal; one end, close to the packaging diode, of each of the first conductive terminal and the second conductive terminal is bent upwards to form a riveting plate, the box body is provided with a supporting part at the bottom of the riveting plate, and the supporting part is provided with a plurality of supporting tables for supporting the riveting plate at intervals along the linear direction; a first through hole through which an external bus bar passes is formed between the rivetin