]> www.fi.muni.cz Git - bike-lights.git/blobdiff - parts/rearlight.scad
mudflap for dual rearlights
[bike-lights.git] / parts / rearlight.scad
index 2c8e7a97c7605ee51c1a64c2b1bd0bfd854b982a..05a79cb31cca19163c5507e42e9ebbcc8b97b229 100644 (file)
@@ -5,19 +5,22 @@ epsilon = 0.01;
 infty = 100;
 debug = 0;
 
-wall_thickness = 2;
-fraen_diam = 30.75;
-fraen_h = 29.8;
+wall_thickness = 1.5;
+fraen_diam = 30.90;
+fraen_h = 29.3;
 pin_diam = 4;
 pin_offset = 10.35*1.4142;
 pin_len = 9.2;
 front_add = 4;
 
+rear_pin_dist = 9.1;
+rear_pin_diam = 3.25;
+
 side_barrier_x_offset = 13;
 side_barrier_pin_z_offset = 4.2;
 side_barrier_thickness = 2;
 
-heatsink_thickness = 2.5;
+heatsink_thickness = 2;
 
 clip_h1 = 27; // front height (on the heatsink side)
 clip_h2 = 20; // rear height (on the lens side)
@@ -25,14 +28,15 @@ clip_l  = 28;
 clip_wall = wall_thickness;
 clip_space = 3.5;
 clip_bolt1_z = 6;
-clip_bolt1_x = 20;
+clip_bolt1_x = 19.5;
 clip_bolt2_z = 22;
-clip_bolt2_x = 23;
-clip_angle = 24;
+clip_bolt2_x = 21;
+clip_angle = 18;
 clip_top_xoff = clip_l*tan(clip_angle);
 
-clip_y_off = 37;
-clip_x_off = 0;
+clip_y_off = 34;
+clip_x_off = 2;
+clip_x_rot = -3;
 
 // z-axis is up
 module bolt_mount(d, h, w1, w2, fn) {
@@ -65,8 +69,8 @@ module seat_clip() {
 
                        // top part
                        hull() {
-                               translate([-clip_wall, -clip_space/2-clip_wall, 0])
-                                       cube([clip_wall+epsilon, 2*clip_wall+clip_space, epsilon]);
+                               translate([-2*clip_wall, -clip_space/2-clip_wall, 0])
+                                       cube([2*clip_wall+epsilon, 2*clip_wall+clip_space, epsilon]);
                                translate([-clip_wall+clip_top_xoff, -clip_space/2-clip_wall, clip_l])
                                        cube([clip_wall+epsilon, 2*clip_wall+clip_space, epsilon]);
                        };
@@ -74,19 +78,19 @@ module seat_clip() {
                        // bolt mounts
                        translate([clip_bolt1_x, clip_space/2 + clip_wall, clip_bolt1_z])
                        rotate([-90, 0, 0])
-                       bolt_mount(6.5, 2, 7, 12, 32);
+                       bolt_mount(6.5, 2, 7, 12, 6);
 
                        translate([clip_bolt1_x, -clip_space/2 - clip_wall, clip_bolt1_z])
                        rotate([90, 0, 0])
-                       bolt_mount(6.5, 2, 7, 12, 6);
+                       bolt_mount(6.5, 2, 7, 12, 32);
 
                        translate([clip_bolt2_x, clip_space/2 + clip_wall, clip_bolt2_z])
                        rotate([-90, 0, 0])
-                       bolt_mount(6.5, 2, 7, 12, 32);
+                       bolt_mount(6.5, 2, 7, 12, 6);
 
                        translate([clip_bolt2_x, -clip_space/2 - clip_wall, clip_bolt2_z])
                        rotate([90, 0, 0])
-                       bolt_mount(6.5, 2, 7, 12, 6);
+                       bolt_mount(6.5, 2, 7, 12, 32);
                };
                // bolt holes
                translate([clip_bolt1_x, infty/2, clip_bolt1_z])
@@ -113,7 +117,7 @@ module round_part() {
                                rotate([0, 0, angle+45])
                                        translate([pin_offset, 0, -epsilon])
                                                cylinder(r=pin_diam/2,
-                                                       h=epsilon, $fn=32);
+                                                       h=epsilon);
                        };
                }
 
@@ -127,7 +131,7 @@ module round_part() {
                        rotate([0, 0, angle+45])
                                translate([pin_offset, 0, epsilon])
                                        cylinder(r=pin_diam/2,
-                                               h=pin_len+epsilon, $fn=32);
+                                               h=pin_len+epsilon);
                };
        };
 
@@ -137,7 +141,7 @@ module round_part() {
                        intersection() {
                                cylinder(r=fraen_diam/2+epsilon, h=infty);
                                translate([-infty/2, side_barrier_x_offset,
-                                       wall_thickness + pin_len - side_barrier_pin_z_offset - side_barrier_thickness ])
+                                       pin_len - side_barrier_pin_z_offset - side_barrier_thickness ])
                                        cube([infty, infty, side_barrier_thickness]);
                };
 };
@@ -150,7 +154,7 @@ module square_cone() {
                                        h = epsilon);
                        for (angle = [0, 90, 180, 270])
                                rotate([0, 0, angle])
-                                       translate([9.1, 9.1, 0])
+                                       translate([rear_pin_dist, rear_pin_dist, 0])
                                                cylinder(r=wall_thickness+3.75/2, h = epsilon);
                }
                hull() {
@@ -159,36 +163,52 @@ module square_cone() {
                                        h = epsilon);
                        for (angle = [0, 90, 180, 270]) {
                                rotate([0, 0, angle]) 
-                                       translate([9.1, 9.1, -epsilon])
+                                       translate([rear_pin_dist, rear_pin_dist, -epsilon])
                                                cylinder(r=3.75/2, h = epsilon);
                                rotate([0, 0, angle+45])
                                        translate([pin_offset, 0, fraen_h - pin_len + epsilon])
                                                cylinder(r=pin_diam/2,
-                                                       h=epsilon, $fn=32);
+                                                       h=epsilon);
                        }
                }
        }
 }
 
-rear_spring_w = 4;
+rear_spring_w = 2*rear_pin_dist-rear_pin_diam-2;
+rear_spring_h = 1.5;
+rear_spring_center_w = 4;
+led_zoff = 6;
 
 module rear_spring() {
        translate([0, 0, wall_thickness/2])
-               cube([18+2*wall_thickness+3.5, rear_spring_w, wall_thickness], center=true);
-       difference() {
-               rotate([90, 0, 0])
-                       translate([0, 0, -rear_spring_w/2])
-                       cylinder(r=6-heatsink_thickness, h = rear_spring_w);
-               translate([0, 0, -infty/2+epsilon])
-                       cube(infty, center=true);
-       };
-};
+               cube([rear_spring_center_w, rear_spring_w, wall_thickness],
+                       center=true);
+       translate([0, rear_spring_w/2-wall_thickness/2,
+               (led_zoff-heatsink_thickness)/2])
+               cube([rear_spring_center_w,
+                       wall_thickness, led_zoff-heatsink_thickness],
+                       center=true);
+       translate([0, -rear_spring_w/2+wall_thickness/2,
+               (led_zoff-heatsink_thickness)/2])
+               cube([rear_spring_center_w,
+                       wall_thickness, led_zoff-heatsink_thickness],
+                       center=true);
+
+       for (angle=[0, 180]) {
+               rotate([0, 0, angle])
+               translate([5.5, 0, rear_spring_h/2])
+                       rotate([0, 0, 45]) {
+                               cube([wall_thickness, 14, rear_spring_h],
+                                       center=true);
+               }
+       }
+}
 
 module heatsink_holder() {
        for (angle = [0, 180]) {
                rotate([0, 0, angle])
-                       translate([9.1+wall_thickness, 0, 6/2])
-                       cube([3.5/2+wall_thickness, 2*9.1-3.5-0.5, 6], center=true);
+                       translate([rear_pin_dist+wall_thickness, 0, (led_zoff+wall_thickness)/2])
+                       cube([rear_pin_diam/2+wall_thickness, 2*rear_pin_dist-rear_pin_diam-2, led_zoff+wall_thickness], center=true);
        }
 }
 
@@ -206,49 +226,74 @@ module lens_holder() {
                        cube([infty, 0.5, infty]);
 
                // cable hole, 2*3mm
-               translate([9.1, 0, 6+3])
+               translate([rear_pin_dist, 0, 6+3])
                        rotate([0, 0, 60])
                                cube([infty, 2, 3]);
 
                // side LED hole, 3mm
                translate([0, 0, fraen_h - pin_len])
                        rotate([90, 0, 0])
-                               cylinder(r=3.5/2, h=infty, $fn=6);
+                               cylinder(r=rear_pin_diam/2, h=infty, $fn=6);
        };
                
        rear_spring();
        heatsink_holder();
 };
 
-union() {
-       lens_holder($fn = 128);
-       translate([clip_x_off, clip_y_off, 0])
-               seat_clip();
-/*
-hull() {
-       translate([0, 9.1+3.5/2+epsilon, wall_thickness/2])
-               cube([9.1, epsilon, wall_thickness], center=true);
-       translate([20-clip_wall/2, 40-clip_space/2-clip_wall+epsilon, wall_thickness/2])
-               cube([9.1, epsilon/2, wall_thickness], center=true);
+module full_joint() {
+       difference() {
+               hull() {
+                               intersection() {
+                                       rotate([-90, 0, 0])
+                                       scale([0.25, 1, 1])
+                                               cylinder(r = fraen_h-pin_len, h = rear_pin_dist + wall_thickness+rear_pin_diam/2);
+                                       translate([-infty/2, rear_pin_dist + wall_thickness + rear_pin_diam/2 - epsilon, 0])
+                                               cube(infty);
+                               };
+                       translate([clip_x_off, clip_y_off, 0])
+                               intersection() {
+                                       seat_clip_rotated();
+                                       translate([(fraen_h-pin_len)*tan(clip_angle)-clip_wall, -clip_space/2-0.1*clip_wall+epsilon, 0])
+                                               rotate([90+clip_x_rot, 0, 0])
+                                               scale([0.45, 1, 1])
+                                                       cylinder(r = fraen_h-pin_len, h = epsilon);
+                               };
+               };
+               hull() {
+                       translate([0, 0, fraen_h - pin_len + epsilon])
+                               cylinder(r = fraen_diam/2 + pin_diam/2 + wall_thickness/2,
+                                       h = epsilon);
+                       for (angle = [0, 90, 180, 270])
+                               rotate([0, 0, angle])
+                                       translate([rear_pin_dist, rear_pin_dist, -epsilon])
+                                               cylinder(r=wall_thickness/2+3.75/2, h = epsilon);
+               };
+       }
 };
 
-hull() {
-       translate([0, 9.1+3.5/2+epsilon, wall_thickness/2])
-               cube([2*.259+3.5, epsilon, wall_thickness], center=true);
-       translate([20-clip_wall/2, 40-clip_space/2-clip_wall+epsilon, wall_thickness/2])
-               cube([clip_h1+clip_wall, epsilon/2, wall_thickness], center=true);
+module seat_clip_rotated() {
+       difference() {
+               translate([clip_space/2+clip_wall, 0, 0])
+               rotate([clip_x_rot, 0, 0])
+               translate([-clip_space/2-clip_wall, 0, sin(clip_x_rot)*(clip_space/2+clip_wall+epsilon)])
+                       seat_clip();
+               translate([-infty/2, -infty/2, -infty])
+                       cube(infty);
+       };
 };
-
-translate([7.5, 13.3, 0])
-       cube([wall_thickness, 23, fraen_h - pin_len - wall_thickness]);
-
-       }
-       //translate([-infty/2, -infty/2, 8])
-       //      cube(infty);
-*/
+                       
+module main() {
+       lens_holder();
+       translate([clip_x_off, clip_y_off, 0])
+               seat_clip_rotated();
+       // xy_joint();
+       // yz_joint();
+       full_joint();
 };
 
 
+// scale([1, -1, 1]) main($fn=128);
+main($fn = 128);
        // vnitrni prumer kruhu by mel byt 30.75mm
        // vnejsi prumer aspon 35 mm
        // pin od stredu 10.35mm na x a y