Explosion -proof piezo -resistor

The utility model discloses an explosion -proof piezo -resistor, including plastic housing, voltage dependent resistor substrate, first pin, second pin, first electrode and second electrode, this voltage dependent resistor substrate's both sides face all is provided with embedded slot, first connecting portion, first extension and first weld part that this first pin is connected including integrated into one piece, second connecting portion, second extension and second weld part that this second pin is connected including integrated into one piece. All inlay in plastic housing through utilizing voltage dependent resistor substrate, first pin, second pin, first electrode and second electrode for this overall product compact structure is firm, and can realize better explosion -proof effect,and each connecting portion inlays in embedded slot, makes each pin combine between voltage dependent resistor substrate and electrode firmly, and turn -on connection is more reliable and more stable,and product performance i