Portable minitype gas sampling machine
The utility model provides a portable minitype gas sampling machine, includes casing, diaphragm pump and lithium cell, diaphragm pump and lithium cell all set up in the casing, the diaphragm pump includes pump case, diaphragm, connecting rod, eccentric wheel, bearing and driving motor, and establish...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a portable minitype gas sampling machine, includes casing, diaphragm pump and lithium cell, diaphragm pump and lithium cell all set up in the casing, the diaphragm pump includes pump case, diaphragm, connecting rod, eccentric wheel, bearing and driving motor, and establish to the air cavity room pump case lower part, is provided with one -way air inlet and one -way gas outlet on the pump case at air cavity room place respectively, diaphragm seals sets up on air cavity room upper portion, driving motor fixed mounting is on pump case upper portion, and the fixed suit of eccentric wheel is on driving motor's motor shaft, and the eccentric wheel is connected with connecting rod one end through the bearing, and the connecting rod other end is articulated mutually with unfamiliar upper surface, driving motor passes through the lithium cell power supply, install the voltage stabilizing circuit board on the casing, be provided with the steady voltage chip on the voltage stabilizing circuit |
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