预紧式安全带技术解析preseatbeltCharacteristicsofsafetybeltpretensioneristhemomentwhenthecarcollisionaccident,notwhentheoccupantmovedforwarditwillfirsttensioningribbon,immediateoccupanttightlytiedtothechair,andthenlocktheribbontopreventtheoccupantleansforward,effectivelyprotectthesafetyofpassengers
Retractorandcommonsafetybeltpretensionerseatplaysamainroleinthedifferentbands,inadditiontoordinaryretractorretractablewebbingfunction,butalsohaswhenthespeedchangessharply,tostrengthentotheoccupantbindingin0
1sorso,thereforeithasthecontroldeviceandthepretensioningdevice
Controldevicehastwokinds:onekindiselectroniccontroldevice,theotherisamechanicalcontroldevice
Pretensiondevicehasavarietyofforms,pretensioningdevicecommonisanexplosion,gasbytheinitiator,gasgeneratingagent,aconduit,apiston,aropeandadrivingwhee