Steering wheel horn trigger structure and trigger point support thereof

The utility model discloses a steering wheel horn trigger structure and a trigger point support thereof. The trigger structure is used for being installed in a cover body of a steering wheel. A horn loop is triggered to be conductive by pressing the cover body. The trigger structure comprises a positive and negative electrode trigger point assembly, a wire harness assembly and a support assembly. The support assembly comprises a plurality of blocky trigger point substrates. Each trigger point substrate is provided with a positive and negative electrode trigger point assembly. Each positive and negative electrode trigger point assembly is communicated to the horn loop through the wire harness assembly. According to the steering wheel horn trigger structure, on the premise that the horn pressing and ringing function is not affected, the steering wheel panel rigidity and strength are greatly lowered, the head injury value of a driver is effectively lowered when safety collision occurs on a whole vehicle, the head collision experiment requirement in the new legislation GB11557-2011 'Experiments for Avoiding Injury Caused by Steering Mechanism on Driver' is met, the technology is simple, materials can be saved, and the steering wheel part cost is lowered.