fairphone-case: hinge: screws

[reprap-play.git] / fairphone-case.scad

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 7739a1e5b9fdfe678b831ecf3e4df4dadae6bfb1..ac49be5cb0694d5a34d33f64a57153a4d806f4b3 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -65,6 +65,8 @@ hingescrew_shaft_dia = 2.0 + 0.25; // M2 x 12mm machine screw
 hingescrew_shaft_len = 12;
 hingescrew_nut_thick = 1.93 + 0.20; // incl. washer
 hingescrew_nut_dia = 4.72 + 0.50; // washer, actually
+hingescrew_head_th = 1.38 + 0.75;
+hingescrew_head_dia = 3.92;
 lever_cover_th = 0.75;
 hingemount_th = 2.5;
 
@@ -78,6 +80,8 @@ strut_min_at_end = 1.5;
 
 hinge_x_gap = 0.125;
 hinge_x_postscrew_gap = 0.75;
+hinge_x_arms_gap = 0.35;
+hinge_r_arms_gap = 0.55;
 
 rearspeaker_gap    = [ 1.0, 1.0 ]; // each side
 
@@ -155,11 +159,15 @@ hppB = hppM + 0.5 * [0,-1] * hp_k;
 hingescrew_portion_len =
   0.5* (hingescrew_shaft_len - hingescrew_nut_thick - hinge_x_gap);
 
-hex20 = max(epp2o[0], phone_cnr_rad);
+hex20 = max(epp2o[0],
+           phone_cnr_rad,
+           kppd[0] + hingescrew_head_th + keeper_gap_x_holes);
 hex21 = hex20 + hingescrew_portion_len;
 hex22 = hex21 - hinge_x_gap;
 hex23 = hex22 + hingescrew_portion_len;
-hex24 = hex23 + hinge_x_postscrew_gap;
+hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap;
+echo(hex20, hex21, hex22, hex23, hex24);
+echo(hingescrew_portion_len);
 
 // ---------- modules ----------
 
@@ -329,7 +337,7 @@ module SideButton(y, y_ref_sign, l){
   eff_y = y_ref_sign > 0 ?         -bumper [1] -y -l/2 :
          y_ref_sign < 0 ? (-phone -bumper)[1] +y +l/2 :
          y;
-  echo(eff_y);
+  //echo(eff_y);
   translate([0, eff_y, 0])
     children();
 }
@@ -513,6 +521,14 @@ module Case(){ ////toplevel
       CaseAperture(noisecancelmic_pos, noisecancelmic_dia, 20);
 
     OrdinaryRearApertures();
+
+    // gaps for the lid's hinge arms
+    HingePortion(hex20 - hinge_x_arms_gap,
+                hex21 + hinge_x_arms_gap)
+      minkowski(){
+        HingeLidProfile();
+       circle(r= hinge_r_arms_gap, $fn= 8);
+      }
   }
 }
 
@@ -535,11 +551,26 @@ module Lid(){ ////toplevel
            ButtonCoverProfile();
        }
       }
+
+      // hinge arms
+      HingePortion(hex20, hex21) HingeLidProfile();
     }
     Struts(lpp10[0] + strut_min_at_end, lpp13[1], -case_th_lid);
   }
 }
 
+module HingeLever(){ ////toplevel
+  difference() {
+    // outer body, positive
+    HingePortion(hex22, hex22 + phone_width/2)
+      HingeLeverOuterProfile();
+
+    // space for the screws
+    HingePortion(hex23, hex24)
+      HingeLeverInnerProfile();
+  }
+}
+
 module TestSelectLength(){
   translate([-30, -200, -20])
     cube([30 + 15, 250, 40]);
@@ -680,6 +711,49 @@ module ButtonPlanForDemo(z, deep, cut){
     ButtonPlan(8, deep, cut);
 }
 
+module DemoHingeScrews(){
+  Flip_rhs() Flip_bot(1){
+    for (c= [ hppT, hppB ])
+      translate([ hex20,
+                 -c[0],
+                 c[1] ]){
+       rotate([0,90,0])
+         translate([0,0,-.1])
+         cylinder( r= hingescrew_shaft_dia/2, h = hingescrew_shaft_len+0.1 );
+       rotate([0,-90,0])
+         cylinder( r= hingescrew_head_dia/2, h = hingescrew_head_th );
+      }
+  }
+}
+
+module DemoFrame(){ ////toplevel
+  color("red") TestFrameCase();
+  color("blue") intersection(){ Lid(); TestSelectFrame(); }
+  color("black") DemoHingeScrews();
+  %HingeLever();
+}
+
+module DemoHingedFrame(){ ///toplevel
+  hinge_origin = [0, -(phone_height - hppB[0]), hppB[1]];
+
+  color("red") TestFrameCase();
+  translate([0,0, -2*hp_k])
+  color("blue") intersection(){ Lid(); TestSelectFrame(); }
+  
+  translate(hinge_origin)
+    rotate([180,0,0])
+    translate(-hinge_origin) {
+      color("orange") HingeLever();
+      color("black") DemoHingeScrews();
+    }
+}
+
+module DemoHinge(){ ////toplevel
+  DemoFrame();
+  translate([0,0, -hp_k*3])
+    DemoHingedFrame();
+}
+
 module DemoProfiles(){ ////toplevel
   LidEdgeProfile();
   %EdgeProfile();