Main Wheelchair Frame

Assembly

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Welded or riveted steel/aluminum structure, folds for transport, supports 150–200 kg.

Direct parts	7
Total parts	26
Used in	1 assembly
Class	Assembly

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Welded or riveted steel/aluminum structure, folds for transport, supports 150–200 kg. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Wheelchair Frame parts and their functions

7 top-level parts · 26 parts in total · full bill of materials below

Main Wheelchair Frame parts diagram: 1 main frame tubing, 2 cross-member brace, 3 seat pan support frame, 4 wheel axle mounting bracket, 5 caster fork assembly, 6 frame welded joints, 7 folding mechanism hinge. 26 parts in 7 top-level items. — Main Wheelchair Frame parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Main Frame Tubing	1×	25–32 mm diameter steel or aluminum tube, forms left/right rails.
2	Cross-Member Brace	2×	19 mm diameter tube, connects left and right rails, prevents racking.
3	Seat Pan Support Frame 2 parts	1×	Four-bar linkage or rigid frame, mounts sling seat.
4	Wheel Axle Mounting Bracket 2 parts	2×	Bolted interface for drive wheel assembly, supports radial and thrust loads.
5	Caster Fork Assembly 3 parts	2×	Tubular fork pivots for front wheel steering.
6	Frame Welded Joints	1×	GMAW or GTAW fillet welds, inspected for 1.5× rated load.
7	Folding Mechanism Hinge 2 parts	2×	Central hinge allows frame to collapse for transport.

3D model

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Build & assembly graph

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Bill of materials for Main Wheelchair Frame

7 top-level lines · 19 rows shown · 26 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Main Frame Tubing	manual-wheelchair-main-tube	1×	1	·	part
2	Cross-Member Brace	manual-wheelchair-cross-member	2×	2	·	part
3	Seat Pan Support Frame 2 parts	manual-wheelchair-seat-frame	1×	1	6	assembly
3.1	Seat Support Rail	manual-wheelchair-seat-rail	2×	2	·	part
3.2	Seat Pivot Hinge 2 parts	manual-wheelchair-seat-hinge	2×	2	2	assembly
3.2.1	Hinge Pin	manual-wheelchair-hinge-pin	1×	2	·	part
3.2.2	O-Ring Set	oring-set	1×	2	·	part
4	Wheel Axle Mounting Bracket 2 parts	manual-wheelchair-wheel-axle-mount	2×	2	2	assembly
4.1	Axle Bracket (Stamped/Cast)	manual-wheelchair-axle-bracket	1×	2	·	part
4.2	Fastener Set	fastener-set	1×	2	·	part
5	Caster Fork Assembly 3 parts	manual-wheelchair-caster-fork	2×	2	4	assembly
5.1	Caster Fork Tube	manual-wheelchair-fork-tube	1×	2	·	part
5.2	Caster Pivot Bearing 1 parts	manual-wheelchair-fork-pivot-bearing	1×	2	2	assembly
5.2.1	Ball Bearing	ball-bearing	2×	4	·	part
5.3	Caster Lock / Anti-Tip Ring	manual-wheelchair-fork-lock	1×	2	·	part
6	Frame Welded Joints	manual-wheelchair-frame-welds	1×	1	·	part
7	Folding Mechanism Hinge 2 parts	manual-wheelchair-folding-hinge	2×	2	2	assembly
7.1	Hinge Barrel / Bushing	manual-wheelchair-hinge-barrel	1×	2	·	part
7.2	Hinge Pin	manual-wheelchair-hinge-pin	1×	2	·	part

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Where the main wheelchair frame is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Medical Devices 1 Manual Wheelchair

Used in 1 assembly

Manual Wheelchair

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $300–$90k. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳BYD byd.com ↗	Shenzhen, CN	EV & battery manufacturer	made to order	·
🇮🇳Tata Motors tatamotors.com ↗	Mumbai, IN	Automaker	made to order	·
🇨🇳SAIC Motor saicmotor.com ↗	Shanghai, CN	Automaker	made to order	·
🇮🇳Mahindra mahindra.com ↗	Mumbai, IN	Automaker	made to order	·
🇨🇳Geely global.geely.com ↗	Hangzhou, CN	Automaker	made to order	·