OpenSCAD source code: Kenmore Progressive vacuum cleaner tool adapters

Kenmore Wand Bushings.scad

// Kenmore vacuum cleaner nozzle adapters
// Ed Nisley KE4ZNU November 2015 and ongoing

// Layout options

Layout = "CrevicePipe";     // MaleFitting CoilWand FloorBrush
                            // CreviceTool Crevice Pipe ScrubbyTool LuxBrush DustBrush

//- Extrusion parameters must match reality!
//  Print with +1 shells and 3 solid layers

ThreadThick = 0.25;
ThreadWidth = 0.40;

HoleWindage = 0.2;

function IntegerMultiple(Size,Unit) = Unit * ceil(Size / Unit);

Protrusion = 0.1;           // make holes end cleanly

//----------------------
// Dimensions

ID1 = 0;                        // for tapered tubes
ID2 = 1;
OD1 = 2;
OD2 = 3;
LENGTH = 4;

OEMTube = [35.0,35.0,41.7,40.5,30.0];          // main fitting tube
EndStop = [OEMTube[ID1],OEMTube[ID2],47.5,47.5,6.5];  // flange at end of main tube

FittingOAL = OEMTube[LENGTH] + EndStop[LENGTH];

$fn = 12*4;

//----------------------
// Useful routines

module PolyCyl(Dia,Height,ForceSides=0) {           // based on nophead's polyholes

  Sides = (ForceSides != 0) ? ForceSides : (ceil(Dia) + 2);
  FixDia = Dia / cos(180/Sides);
  cylinder(r=(FixDia + HoleWindage)/2,h=Height,$fn=Sides);
}


//-------------------
// Male fitting on end of Kenmore tools
// This slides into the end of the handle or wand and latches firmly in place

module MaleFitting() {

Latch = [40,11.5,5.0];          // rectangle latch opening
EntryAngle = 45;            // latch entry ramp
EntrySides = 16;
EntryHeight = 15.0;            // lower edge on *inside* of fitting

KeyRadius = 1.0;

  translate([0,0,6.5])
    difference() {
      union() {
        cylinder(d1=OEMTube[OD1],d2=OEMTube[OD2],h=OEMTube[LENGTH]);      // main tube

        hull()                                  // insertion guide
          for (i=[-(6.0/2 - KeyRadius),(6.0/2 - KeyRadius)],
            j=[-(28.0/2 - KeyRadius),(28.0/2 - KeyRadius)],
            k=[-(26.0/2 - KeyRadius),(26.0/2 - KeyRadius)])
            translate([(i - (OEMTube[ID1]/2 + OEMTube[OD1]/2)/2 + 6.0/2),j,(k + 26.0/2 - 1.0)])
              sphere(r=KeyRadius,$fn=8);

        translate([0,0,-EndStop[LENGTH]])                // wand tube butts against this
          cylinder(d=EndStop[OD1],h=EndStop[LENGTH] + Protrusion);
      }

      translate([0,0,-OEMTube[LENGTH]])                  // main bore
        cylinder(d=OEMTube[ID1],h=2*OEMTube[LENGTH] + 2*Protrusion);

      translate([0,-11.5/2,23.0 - 5.0])                  // latch opening
        cube(Latch);

      translate([OEMTube[ID1]/2 + EntryHeight/tan(90-EntryAngle),0,0])  // latch ramp
        translate([(Latch[1]/cos(180/EntrySides))*cos(EntryAngle)/2,0,(Latch[1]/cos(180/EntrySides))*sin(EntryAngle)/2])
          rotate([0,-EntryAngle,0])
            intersection() {
              rotate(180/EntrySides)
                PolyCyl(Latch[1],Latch[0],EntrySides);
              translate([-(2*Latch[0])/2,0,-Protrusion])
                cube(2*Latch[0],center=true);
            }
    }
}

//-------------------
// Refrigerator evaporator coil wand

module CoilWand() {

  union() {
    translate([0,0,50.0])
      rotate([180,0,0])
        difference() {
          cylinder(d1=EndStop[OD1],d2=42.0,h=50.0);
          translate([0,0,-Protrusion])
            cylinder(d1=35.0,d2=35.8,h=100);
        }
    translate([0,0,50.0 - Protrusion])
      MaleFitting();
  }
}


//-------------------
// Samsung floor brush

module FloorBrush() {

  union() {
    translate([0,0,60.0])
      rotate([180,0,0])
        difference() {
          union() {
            cylinder(d1=EndStop[OD1],d2=32.4,h=10.0);
            translate([0,0,10.0 - Protrusion])
              cylinder(d1=32.4,d2=30.7,h=50.0 + Protrusion);
          }
          translate([0,0,-Protrusion])
            cylinder(d1=28.0,d2=24.0,h=100);
        }
    translate([0,0,60.0 - Protrusion])
      MaleFitting();
  }
}

//-------------------
// Crevice tool

module CreviceTool() {

  union() {
    translate([0,0,60.0])
      rotate([180,0,0])
        difference() {
          union() {
            cylinder(d1=EndStop[OD1],d2=32.0,h=10.0);
            translate([0,0,10.0 - Protrusion])
              cylinder(d1=32.0,d2=30.4,h=50.0 + Protrusion);
          }
          translate([0,0,-Protrusion])
            cylinder(d1=28.0,d2=24.0,h=100);
        }
    translate([0,0,60.0 - Protrusion])
      MaleFitting();
  }
}


//-------------------
// Crevice tool
// Hacked for 1 inch Schedule 40 PVC pipe stiffening tube

module CrevicePipe() {

PipeOD = 33.5;

  union() {
    translate([0,0,10.0])
      rotate([180,0,0])
        difference() {
          cylinder(d1=EndStop[OD1],d2=PipeOD+2*8*ThreadWidth,h=10.0);
          translate([0,0,-Protrusion])
            cylinder(d=PipeOD,h=100);
        }
    translate([0,0,10.0])
      MaleFitting();
  }
}


//-------------------
// Mystery brush

module ScrubbyTool() {

  union() {
    translate([0,0,60.0])
      rotate([180,0,0])
        difference() {
          union() {
            cylinder(d1=EndStop[OD1],d2=31.8,h=10.0);
            translate([0,0,10.0 - Protrusion])
              cylinder(d1=31.8,d2=31.0,h=50.0 + Protrusion);
          }
          translate([0,0,-Protrusion])
            cylinder(d1=26.0,d2=24.0,h=100);
        }
    translate([0,0,60.0 - Protrusion])
      MaleFitting();
  }
}

//-------------------
// eBay horsehair dusting brush
// Hacked for 3/4" Schedule 40 PVC stiffening tube
// eBay:    30.0 32.0 30.0
// Shopvac: 30.3 31.0 25.0
// Must build snout down with brim to avoid support

module DustBrush() {

PipeOD = 27.0;            // stiffening pipe
Snout = [0,0, 31.0, 30.3, 25.0];
TaperLength = 10.0;       // transition cone from fitting to snout

  union() {
    translate([0,0,Snout[LENGTH] + TaperLength])
      rotate([180,0,0])
        difference() {
          union() {
            cylinder(d1=EndStop[OD1],d2=Snout[OD1],h=TaperLength);
            translate([0,0,TaperLength - Protrusion])
              cylinder(d1=Snout[OD1],d2=Snout[OD2],h=Snout[LENGTH] + Protrusion);
          }
          translate([0,0,-Protrusion])    // 3/4 inch Sch 40 PVC
            PolyCyl(PipeOD,100);
        }
    translate([0,0,Snout[LENGTH] + TaperLength - Protrusion])
      MaleFitting();
  }
}


//-------------------
// Electrolux brush ball

module LuxBrush() {

  union() {
    translate([0,0,30.0])
      rotate([180,0,0])
        difference() {
          union() {
            cylinder(d1=EndStop[OD1],d2=30.8,h=10.0);
            translate([0,0,10.0 - Protrusion])
              cylinder(d1=30.8,d2=30.0,h=20.0 + Protrusion);
          }
          translate([0,0,-Protrusion])
            cylinder(d1=25.0,d2=23.0,h=30 + 2*Protrusion);
        }
    translate([0,0,30.0 - Protrusion])
      MaleFitting();
  }
}



//----------------------
// Build it!

if (Layout == "MaleFitting")
  MaleFitting();

if (Layout == "CoilWand")
  CoilWand();

if (Layout == "FloorBrush")
  FloorBrush();

if (Layout == "CreviceTool")
  CreviceTool();

if (Layout == "CrevicePipe")
  CrevicePipe();

if (Layout == "DustBrush")
  DustBrush();

if (Layout == "ScrubbyTool")
  ScrubbyTool();

if (Layout == "LuxBrush")
  LuxBrush();

More details on my blog at https://wp.me/poZKh-7Q2