From: Jan "Yenya" Kasprzak <kas@fi.muni.cz>
Date: Fri, 24 Jan 2014 10:58:03 +0000 (+0100)
Subject: case.scad: modified lid clips
X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=heater.git;a=commitdiff_plain;h=7cf285f0f498684e5078f1bb73e83cacb9a05acc

case.scad: modified lid clips
---

diff --git a/case.scad b/case.scad
index a5d6347..c1df55c 100644
--- a/case.scad
+++ b/case.scad
@@ -6,10 +6,10 @@ infty = 300;
 wall = 1.5; // generic wall thickness
 
 // 18650 is ~18mm diameter, ~65mm length, 
-batt_diam = 18 + 1.0;
+batt_diam = 18 + 0.8;
 batt_len = 65 + 2.0;
 
-cable_sep = 2;
+cable_sep = 1.5;
 
 // front flat area
 front_flat_len = batt_len + 4*wall + 2*cable_sep;
@@ -170,68 +170,94 @@ module case() {
 				cylinder(r = wire_thick/2, h = batt_len + 2*wall + 2*eps, $fn=6);
 		// hole behind the battery contacts
 		for(x=[1, -1])
-		scale([x, 1, 1]) translate([batt_len/2+wall, 0, 0]) hull() {
+		scale([x, 1, 1]) translate([batt_len/2+wall+cable_sep, 0, 0]) hull() {
 			translate([0, -batt_diam/2, 0])
-				cube([wall + cable_sep + eps, batt_diam, infty]);
+				cube([wall + eps, batt_diam, infty]);
 			rotate([0, 90, 0])
-				cylinder(r = batt_diam/2, h = wall+cable_sep+eps);
+				cylinder(r = batt_diam/2, h = wall+eps);
 			translate([0, batt_diam/2 - pcb_width,
 				-batt_diam/2-pcb_comp_h-pcb_thick])
-				cube([wall + cable_sep + eps, pcb_width, eps]);
-			translate([cable_sep, batt_diam/2 - pcb_width + wall,
-				-batt_diam/2-pcb_comp_h-pcb_thick-wall])
-				cube([wall + eps, pcb_width-2*wall, eps]);
+				cube([wall + eps, pcb_width, eps]);
+			translate([0, batt_diam/2 - pcb_width + 0.5*wall,
+				-batt_diam/2-2*pcb_comp_h-pcb_thick])
+				cube([wall + eps, pcb_width-0.5*wall, eps]);
+		};
+		// inner hole behind the battery contacts
+		for(x=[1, -1])
+		scale([x, 1, 1]) translate([batt_len/2+wall, 0, 0]) hull() {
+			translate([0, -batt_diam/2+wall, 0])
+				cube([cable_sep + eps, batt_diam-2*wall, infty]);
+			rotate([0, 90, 0])
+				cylinder(r = batt_diam/2-wall, h = cable_sep+eps);
 		};
 		// cable lead to battery contacts
 		for (x=[1, -1]) scale([x, 1, 1])
 			rotate([-140, 0, 0])
-			translate([batt_len/2+wire_thick/2, 0, batt_diam/2-2.7])
-				cylinder(r=wire_thick/2, h = 5.4);
+			translate([batt_len/2-eps, -wire_thick/2, batt_diam/2-2.7])
+				cube([wall+cable_sep+2*eps, wire_thick, 5.4]);
 		
 		// mounting holes
 		for(x=[-1,1]) scale([x, 1, 1])
 		translate([batt_len/2-mounthole_w/2, batt_diam/2+wall+mounthole_h/2, -infty/2])
 			scale([1, mounthole_h/mounthole_w, 1])
 			cylinder(r = mounthole_w/2, h = infty);
+		// grabbing gap
+		for(x=[-1,1]) scale([x, 1, 1])
+		translate([batt_len/2+cable_sep+wall+10, batt_diam/2-pcb_width/2, -batt_diam/2-2*pcb_comp_h-pcb_thick-wall-eps])
+			cylinder(r1 = 10, r2 = 10 - wall, h = wall + 2*eps);
 	};
 	// clip barrier
 	for (x = [-1, 1]) scale([x, 1, 1]) hull () {
-		translate([batt_len/2+wall-eps, batt_diam/2-pcb_width+wall/2+lid_sep,
+		translate([batt_len/2+wall+cable_sep-eps, batt_diam/2-pcb_width+wall/2+lid_sep,
 			-batt_diam/2-pcb_thick-pcb_comp_h + wall + lid_sep])
 			cube([wall+eps, pcb_width-2*wall-2*lid_sep, wall]);
-		translate([batt_len/2+wall-eps, batt_diam/2-pcb_width+3*wall/2+lid_sep,
+		translate([batt_len/2+wall+cable_sep-eps, batt_diam/2-pcb_width+3*wall/2+lid_sep,
 			-batt_diam/2-pcb_thick-pcb_comp_h + 3*wall + lid_sep])
 			cube([eps, pcb_width-4*wall-2*lid_sep, eps]);
 	};
 };
 
 module lid_body() {
-	translate([-batt_len/2 - wall - lid_sep, -batt_diam/2+lid_sep, -batt_diam/2 -wall])
-		cube([batt_len + 2*wall + 2*lid_sep, batt_diam-2*lid_sep, batt_diam/2 - batt_end_h + wall - lid_sep]);
-	translate([-batt_len/2 - 2*wall - cable_sep, -batt_diam/2 - wall,
-		-batt_diam/2-wall])
-		cube([batt_len + 4*wall + 2*cable_sep, batt_diam + 2*wall,
-			wall + batt_diam/2 - body_top_h - lid_sep]);
+	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]);
+	hull () {
+		translate([-batt_len/2 - 2*wall - cable_sep,
+			-batt_diam/2, -batt_diam/2-wall])
+			cube([batt_len + 4*wall + 2*cable_sep,
+				batt_diam, eps]);
+		translate([-batt_len/2 - 3*wall - cable_sep,
+			-batt_diam/2 - wall, -body_top_h-wall/2-lid_sep])
+			cube([batt_len + 6*wall + 2*cable_sep,
+				batt_diam + 2*wall, wall/2]);
+	};
 	// clip behind the battery contacts
 	for(x=[1, -1])
-		scale([x, 1, 1]) translate([batt_len/2+wall+lid_sep, 0, 0]) hull() {
+		scale([x, 1, 1]) translate([batt_len/2+wall+cable_sep+lid_sep, 0, 0]) hull() {
 			translate([0, -batt_diam/2+lid_sep, -batt_diam/2])
-				cube([wall+cable_sep-lid_sep, batt_diam-2*lid_sep, eps]);
+				cube([wall-lid_sep, batt_diam-2*lid_sep, eps]);
 			rotate([0, 90, 0])
-				cylinder(r = batt_diam/2-lid_sep, h = wall+cable_sep-lid_sep);
-			translate([-clip_pretension, batt_diam/2 - pcb_width+lid_sep,
-				batt_diam/2+pcb_comp_h+pcb_thick-lid_sep])
-				cube([wall+cable_sep-lid_sep, pcb_width-2*lid_sep, eps]);
-			translate([cable_sep+wall/2-clip_pretension, batt_diam/2 - pcb_width + 1.5*wall +lid_sep,
-				batt_diam/2+pcb_comp_h+pcb_thick+wall/2-lid_sep])
-				cube([wall/2-lid_sep, pcb_width-2*wall-2*lid_sep, eps]);
-			// rear cone
-			translate([cable_sep+wall-lid_sep, 0, -batt_diam/2-wall]) difference() {
-				scale([0.5, 1, 1])
-				cylinder(r = batt_diam/2 - lid_sep,  h = eps);
-				translate([-infty, -infty/2, -infty/2]) cube(infty);
-			};
+				cylinder(r = batt_diam/2-lid_sep, h = wall-lid_sep);
+			translate([-clip_pretension, batt_diam/2 - pcb_width + 0.5*wall + lid_sep,
+				batt_diam/2+2*pcb_comp_h+pcb_thick-lid_sep])
+				cube([wall+clip_pretension, pcb_width-0.5*wall-1.5*lid_sep, eps]);
+		};
+	// outer part of the clip behind the battery contacts
+	for (x=[1, -1]) scale([x, 1, 1]) translate([batt_len/2+2*wall+cable_sep+lid_sep, 0, 0]) hull() {
+		translate([0, -batt_diam/2 - wall, -body_top_h-wall/2-lid_sep])
+			cube([wall-lid_sep, batt_diam + 2*wall, wall/2]);
+		difference() {
+			scale([0.3, 1, 1])
+				sphere(batt_diam/2+wall);
+			translate([-infty/2, -infty/2, -infty-body_top_h-lid_sep+2*wall])
+				cube(infty);
+			translate([-infty-clip_pretension, -infty/2, -infty/2])
+				cube(infty);
 		};
+		translate([-clip_pretension,
+			batt_diam/2 - pcb_width,
+			batt_diam/2+2*pcb_comp_h+pcb_thick+wall])
+			cube([wall-lid_sep, pcb_width+wall, eps]);
+	};
 };
 
 module lid() {
@@ -239,6 +265,16 @@ module lid() {
 		lid_body();
 		translate([-batt_len/2+eps, 0, 0]) rotate([0, 90, 0])
 			cylinder(r=batt_diam/2, h=batt_len-2*eps);
+	// clip barrier
+	for (x = [-1, 1]) scale([x, 1, 1]) hull () {
+		translate([batt_len/2+wall+cable_sep-clip_pretension, batt_diam/2-pcb_width+wall/2,
+			batt_diam/2+pcb_thick+pcb_comp_h-2*wall])
+			cube([wall+clip_pretension+eps, pcb_width-2*wall, wall]);
+		translate([batt_len/2+wall+cable_sep-eps, batt_diam/2-pcb_width+wall/2,
+			batt_diam/2+pcb_thick+pcb_comp_h-4*wall + lid_sep])
+			cube([eps, pcb_width-2*wall, eps]);
+	};
+/*
 		hull() {
 			difference() {
 				translate([-batt_len/2-cable_sep-wall, 0, 0]) rotate([0, 90, 0])
@@ -249,6 +285,7 @@ module lid() {
 			translate([-batt_len/2-cable_sep-wall, batt_diam/2-pcb_width+0.5*wall+0.5*lid_sep, batt_diam/2 + pcb_comp_h+pcb_thick-wall-lid_sep])
 			cube([batt_len + 2*wall + 2* cable_sep, pcb_width-1.5*wall-1.5*lid_sep, eps]);
 		};
+*/
 	};
 };