Come on dude if you are telling me that your team is what is preventing you from climbing then you got another thing coming. l
Lets really break down your last 10 games
(w) 6/4/7 pyke support - Your bronze 1 mid laner hard carried that match
(L) 1/3/0 garen top - you lost lane
(w) 6/11/10 Jacx top - your silver 2 mid laner carried
(L) 7/6/10 mf bot - you lost lane (your leo was bad) equal damage with ezreal
(L) 4/3/9 ez bot - Enemy top laner carried harder than you
(L) 12/6/7 trist bot - enemy top laner carried harder
(L) 0/5/2 trundle jungle - there jungler better
(L) 7/10/19 brand bot - looks like a throw tbh
(L) 1/3/1 tahm support - lost lane
This is not bm dude but if you want to climb those are not the scores you want . You want to be stomping your lane and out damaging your lane opponent but in almost every match you go even with your lane opponent.
Think about it this way if you are playing against someone of equal rank in lane and cannot beat them then why would you deserve to climb ? The game is ultimately about who can carry harder and if you cant then you wont win sadly.
As for the rank differences it shows in your own match history that you have players so different in rank still out performing each other.
Focus on yourself and how you can improve that is the only way to get anywhere in this game