The utility model is a kind of structure of related Brake of wheel-chair,It includes an operating rod,Plural interlocking rod body and plural brake assemblies,Operating rod is pivoted on what wheelchair,And brake assemblies are then distinctly pivoted on what wheelchair and the tire of neighbouring the right and left,And the both ends of interlocking rod body are then pivoted on what operating rod and brake assemblies,By above-mentioned structure,When operating rod is swung,Will synchronize keeps interlocking rod body mobile,And then brake assemblies is driven to pivot,Make brake assemblies to the tire of wheelchair the right and left while carrying out supporting limit,Reach the locked purpose for allowing Brake of wheel-chair of tire,Thereby reach the purpose of the synchronous gearing of brake and good fixation.本新型為有關一種輪椅剎車之結構，其包含一操作桿體、複數連動桿體及複數剎車組件，操作桿體樞設於輪椅上，且剎車組件則各別樞設於輪椅上並鄰近左右兩邊之輪胎，而連動桿體之兩端則樞設於操作桿體及剎車組件上，藉由上述之結構，當操作桿體進行擺動時，將會同步使連動桿體移動，進而帶動剎車組件樞轉，使剎車組件對輪椅左右兩邊之輪胎同時進行抵持限位，達到輪胎鎖死讓輪椅剎車之目的，藉此達到剎車同步連動及良好固定之目的。
