Pneumatic Valve Adapter

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Bounding box: 29.9 × 29.9 × 48.0 mm
Engine: Precision B-rep
Parameters: 13
Published: October 28, 2026

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The prompt

// 气阀转接头 (带通孔版本) $fn = 100; // 1. 主体圆柱 (带直纹滚花) module main_body() { difference() { cylinder(h=33, d=30, center=false); // 模拟滚花 for (i = [0 : 360/40 : 359]) { rotate([0, 0, i]) translate([14, 0, -1]) cube([4, 2, 35], center=true); } } } // 2. 顶部外螺纹部分 module top_thread() { translate([0, 0, 33]) cylinder(h=15, d=18, center=false); } // 3. 内部贯穿通孔 (气路通道) module center_hole() { // 假设通径为 9mm (半径4.5)，从底部往下打穿至顶部 translate([0, 0, -1]) cylinder(h=55, d=9, center=false); } // 4. 底部内螺纹孔 (5/8-18UNF 底孔直径约 14.5mm) module bottom_internal_thread() { translate([0, 0, -1]) cylinder(h=20, d=14.5, center=false); } // 5. O型圈槽位 module o_ring_groove() { translate([0, 0, 31]) rotate_extrude() translate([9, 0, 0]) circle(r=2); } // 整体组合 difference() { union() { main_body(); top_thread(); } // 减去所有内部特征 bottom_internal_thread(); // 底部内螺纹底孔 o_ring_groove(); // O型圈槽 center_hole(); // 中心贯穿通气孔 }

Parameters

Name	Value	Range
Body Diameter	30 mm	10 – 80
Body Height	33 mm	10 – 100
Top Thread Diameter	18 mm	6 – 50
Top Thread Height	15 mm	3 – 50
Through Bore Diameter	9 mm	2 – 30
Bottom Thread Hole Diameter	14.5 mm	5 – 40
Bottom Thread Hole Depth	20 mm	2 – 60
O-Ring Groove Center Radius	9 mm	3 – 30
O-Ring Groove Tube Radius	2 mm	0.5 – 10
O-Ring Groove Z Position	31 mm	0 – 80
Knurl Count	40	8 – 120
Knurl Width	2 mm	0.5 – 10
Knurl Depth	3 mm	0.5 – 10

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

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