case.scad: alternative lid clips

Also higher holes for battery contacts, bigger grabbing holes,
and holes for battery contacts also in the lid.

Thicker outer wall of the case above the PCB.

diff --git a/case.scad b/case.scad
index 43583c421d94b2cf58f0d88a3ff2be388cecb098..653a79a088bca941c0422254b9e882e87728af7a 100644 (file)
--- a/case.scad
+++ b/case.scad
@@ -53,7 +53,9 @@ clip_pretension = 0.5;
 plus_width = 4.5; // width of the + sign
 
 batt_contact_w = 12;
 plus_width = 4.5; // width of the + sign
 
 batt_contact_w = 12;

-clip_cyl_r = 1;
+batt_contact_h = 14;
+batt_contact_h_lid = batt_contact_h-2;
+clip_cyl_r = 0.7;

 batt_end_h = body_top_h - 4*clip_cyl_r;;
 
 
 batt_end_h = body_top_h - 4*clip_cyl_r;;
 
 


@@ -70,9 +72,9 @@ module case_body() {
                        translate([-infty/2, -infty/2, eps]) cube(infty);
                };
                translate([-front_flat_len/2,
                        translate([-infty/2, -infty/2, eps]) cube(infty);
                };
                translate([-front_flat_len/2,

-                       batt_diam/2 - pcb_width,
+                       batt_diam/2 - pcb_width-0.5*wall,

                        -batt_diam/2-pcb_comp_h-pcb_comp_h2-pcb_thick-wall])
                        -batt_diam/2-pcb_comp_h-pcb_comp_h2-pcb_thick-wall])

-                       cube([front_flat_len, pcb_width+wall, eps]);
+                       cube([front_flat_len, pcb_width+1.5*wall, eps]);

        };
        // mounting cylinders
        for (x = [-1, 1]) translate([x*(batt_len/2-mounthole_w/2),
        };
        // mounting cylinders
        for (x = [-1, 1]) translate([x*(batt_len/2-mounthole_w/2),


@@ -102,20 +104,21 @@ module case() {
                // upper cube-shaped part
                // rotate([20, 0, 0])
                translate([-batt_len/2, -batt_diam/2, 0])
                // upper cube-shaped part
                // rotate([20, 0, 0])
                translate([-batt_len/2, -batt_diam/2, 0])

-                       cube([batt_len, batt_diam, batt_diam]);
+                       cube([batt_len, batt_diam, batt_end_h+eps]);

                // upper longer cube-shaped part
                difference() {
                        translate([-batt_len/2-cable_sep-wall, -batt_diam/2, batt_end_h])
                                cube([batt_len+2*cable_sep+2*wall, batt_diam, batt_diam]);
                // upper longer cube-shaped part
                difference() {
                        translate([-batt_len/2-cable_sep-wall, -batt_diam/2, batt_end_h])
                                cube([batt_len+2*cable_sep+2*wall, batt_diam, batt_diam]);

-                       for (x = [-1,1]) scale([x, 1, 1])
-                               translate([batt_len/2 + wall + cable_sep, -infty/2, batt_end_h + 3*clip_cyl_r])
-                               rotate([-90, 0, 0])
-                               cylinder(r = clip_cyl_r, h = infty, $fn=4);
+                       // clips
+                       for (x = [-1,1]) scale([1, x, 1])
+                               translate([batt_len/6, batt_diam/2, batt_end_h + 3*clip_cyl_r])
+                               rotate([0, -90, 0])
+                               cylinder(r = clip_cyl_r, h = batt_len/3, $fn=4);

                }
                // grabbing holes
                for (x=[-1,1]) scale([x,1,1])
                translate([batt_len/2 + 2*wall + cable_sep+10-wall, 0, 0])
                }
                // grabbing holes
                for (x=[-1,1]) scale([x,1,1])
                translate([batt_len/2 + 2*wall + cable_sep+10-wall, 0, 0])

-                       cylinder(r1 = 7, r2 = 10-wall/4, h = body_top_h + eps);
+                       cylinder(r1 = 7, r2 = 10, h = body_top_h + eps);

                // battery cylinder for the lower part
                translate([-batt_len/2, 0, 0])
                        rotate([0, 90, 0])
                // battery cylinder for the lower part
                translate([-batt_len/2, 0, 0])
                        rotate([0, 90, 0])


@@ -180,12 +183,12 @@ module case() {
                // holes in front of battery contacts
                for(x=[-1,1]) scale([x, 1, 1])
                translate([batt_len/2-eps, wall/2-batt_contact_w/2,
                // holes in front of battery contacts
                for(x=[-1,1]) scale([x, 1, 1])
                translate([batt_len/2-eps, wall/2-batt_contact_w/2,

-                       wall/2-batt_contact_w/2])
+                       wall/2-batt_contact_h/2])

                        cube([wall+2*eps, batt_contact_w-wall, infty]);
                // holes for battery contacts
                for(x=[-1,1]) scale([x, 1, 1])
                translate([batt_len/2+wall-eps, -batt_contact_w/2,
                        cube([wall+2*eps, batt_contact_w-wall, infty]);
                // holes for battery contacts
                for(x=[-1,1]) scale([x, 1, 1])
                translate([batt_len/2+wall-eps, -batt_contact_w/2,

-                       -batt_contact_w/2])
+                       -batt_contact_h/2])

                        cube([cable_sep+2*eps, batt_contact_w, infty]);
                // internal plus sign - vertical line
                translate([-batt_len/2 + 0.5*wall+plus_width/2, -plus_width/2, -batt_diam/2-wall])
                        cube([cable_sep+2*eps, batt_contact_w, infty]);
                // internal plus sign - vertical line
                translate([-batt_len/2 + 0.5*wall+plus_width/2, -plus_width/2, -batt_diam/2-wall])


@@ -219,10 +222,11 @@ module lid_body() {
        translate([-batt_len/2 - wall - cable_sep + lid_sep, -batt_diam/2+lid_sep, -batt_diam/2 -wall])
                cube([batt_len + 2*wall + 2*cable_sep - 2*lid_sep, batt_diam-2*lid_sep, batt_diam/2 - batt_end_h + wall - lid_sep]);
        // clips
        translate([-batt_len/2 - wall - cable_sep + lid_sep, -batt_diam/2+lid_sep, -batt_diam/2 -wall])
                cube([batt_len + 2*wall + 2*cable_sep - 2*lid_sep, batt_diam-2*lid_sep, batt_diam/2 - batt_end_h + wall - lid_sep]);
        // clips

-       for (x = [-1, 1]) scale([x, 1, 1])
-       translate([batt_len/2 + wall + cable_sep - lid_sep, batt_diam/2 - lid_sep, -batt_end_h-lid_sep-clip_cyl_r])
-               rotate([90, 0, 0])
-               cylinder(r = clip_cyl_r, h = batt_diam-2*lid_sep, $fn = 4);
+       for (x = [-1, 1]) scale([1, x, 1])
+               translate([batt_len/6, batt_diam/2-lid_sep, - batt_end_h - clip_cyl_r - lid_sep])
+               rotate([0, -90, 0])
+               cylinder(r = clip_cyl_r, h = batt_len/3, $fn=4);
+       // translate([batt_len/2 + wall + cable_sep - lid_sep, batt_diam/2 - lid_sep, -batt_end_h-lid_sep-clip_cyl_r])

 }
 
 module lid() {
 }
 
 module lid() {


@@ -230,6 +234,11 @@ module lid() {
                lid_body();
                translate([-batt_len/2-lid_sep, 0, 0]) rotate([0, 90, 0])
                        cylinder(r=batt_diam/2 + lid_sep, h=batt_len+2*lid_sep);
                lid_body();
                translate([-batt_len/2-lid_sep, 0, 0]) rotate([0, 90, 0])
                        cylinder(r=batt_diam/2 + lid_sep, h=batt_len+2*lid_sep);

+               // holes for battery contacts
+               for(x=[-1,1]) scale([x, 1, 1])
+               translate([batt_len/2+wall-eps, -batt_contact_w/2,
+                       -batt_contact_h_lid/2])
+                       cube([cable_sep+2*eps, batt_contact_w, infty]);

        };
 };
 
        };
 };