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Discussion History

Diaphragm Air Pump

Assembly

Eccentric-driven diaphragm pump that inflates the cuff, built on a small DC motor. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Diaphragm Air Pump parts and their functions

6 top-level parts · 26 parts in total · full bill of materials below
Diaphragm Air Pump parts diagram: 1 stator assembly, 2 rotor assembly, 3 motor housing, 4 pump diaphragm, 5 pump check valves, 6 o-ring set. 26 parts in 6 assemblies.
Diaphragm Air Pump parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Stator Assembly 3 parts 1× Motor stator
2 Rotor Assembly 4 parts 1× Motor rotor
3 Motor Housing 1× Motor can + bearings
4 Pump Diaphragm 1× Elastomer pumping diaphragm
5 Pump Check Valves 1× Inlet/outlet check valves
6 O-Ring Set 1× Chamber seals

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Diaphragm Air Pump

6 top-level lines · 13 rows shown · 26 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
1.1 Stator Core (laminations) stator-core 1× 1 · part
1.2 Copper Winding copper-winding 1× 1 · part
1.3 Slot Insulation stator-insulation 1× 1 · part
2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
2.1 Rotor Shaft rotor-shaft 1× 1 · part
2.2 Rotor Core rotor-core 1× 1 · part
2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
2.4 Ball Bearing ball-bearing 1× 1 · part
3 Motor Housing motor-housing 1× 1 · part
4 Pump Diaphragm bpm-pump-diaphragm 1× 1 · part
5 Pump Check Valves bpm-pump-valve 1× 1 · part
6 O-Ring Set oring-set 1× 1 · part

Where the diaphragm air pump is used

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

Used in 1 assembly

Blood Pressure Monitor

Sourcing: possible vendors

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 $5–$2k. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳Kirloskar
kbl.co.in ↗ 		Pune, IN Pumps & fluid systems 200 units 6–10 wks
🇨🇳Leo Group
leo.com.cn ↗ 		Taizhou, CN Pumps 200 units 6–10 wks
🇮🇳Shakti Pumps
shaktipumps.com ↗ 		Pithampur, IN Pumps 200 units 6–10 wks
🇨🇳CNP Pumps
cnppumps.com ↗ 		Hangzhou, CN Pumps 200 units 6–10 wks
🇮🇳Roto Pumps
rotopumps.com ↗ 		Noida, IN Pumps 200 units 6–10 wks