CV gidajen abinci, wanda kuma mai suna a matsayin Constant-gudun gidajen abinci, taka muhimmiyar rawa a cikin tsarin tuƙi na mota, suna yin CV axle don canja wurin ikon injin zuwa ƙafafun tuƙi a koyaushe, saboda haɗin CV ɗin taro ne na bearings da cages. wanda ke ba da damar jujjuyawar axle da watsa wutar lantarki a wasu kusurwoyi daban-daban.CV haɗin gwiwa sun ƙunshi keji, ƙwallon ƙwallon ƙafa, da hanyar tseren ciki da aka ɓoye a cikin wani gida da aka rufe da takalmin roba, wanda ke cike da man shafawa.CV Joints sun haɗa da CV na ciki Haɗin gwiwa da haɗin gwiwar CV na waje. Abubuwan haɗin CV na ciki suna haɗa mashinan tuƙi zuwa watsawa, yayin da haɗin gwiwar CV na waje suna haɗa mashinan tuƙi zuwa ƙafafun.CV haɗin gwiwasuna kan bangarorin biyu na CV Axle, don haka suna cikin ɓangaren CV Axle.