I'm scared of my family?

Mostly my dad everything gets him so angry. He has never hit me but I can see that if I gave him the chance he would so I just run to the bathroom (the only room with a lock) for the whole day until I feel safe and sneak of to bed.everything gets him angry if I'm in the bathroom and he wants to be he will hit the doors until I go out and if he has to do a simple job he will huff and puff and if you get In the way he takes it out on you I'm so scared of him. My mum acts like I'm not there she does not no anything that I have been through over the last few years and I don't speak to her I hide in my room all day