Precision plunger metering pump
A plunger metering pump, a precise technology, applied in the direction of pumps, liquid variable capacity machinery, machines/engines, etc., can solve the problems of limited types of precision metering pumps, insufficient development scale and speed, and achieve moderate hardness and long service life. , The effect of strong pressure resistance
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[0035] The present invention will be further described in detail in conjunction with the accompanying drawings and embodiments.
[0036] to combine figure 1 , figure 2 and image 3 As shown, the miniature precision plunger metering pump of the present invention includes a driving mechanism 1, a sealing mechanism 2 and a pump head 3 connected in sequence, and the driving mechanism 1 includes a stepping motor 15 installed on the upper end of the connection base 10 and a stepping motor The ball screw 13 connected to the rotating shaft of the motor 15; the sealing mechanism 2 includes a plunger 17, an upper seal ring 35 and a lower seal ring 19, and the plunger 17 is connected to the ball screw 13 through a screw connection seat 11; The pump head 3 includes a pump compartment 23 , a fluid pump inlet port 28 and an outlet port 24 .
[0037] The drive mechanism 1 also includes a photoelectric position sensor for detecting the position of the plunger 17 and a photoelectric encode...
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