Hospital grade breast pump device with wide negative pressure range
A scope, hospital technology, applied in the field of hospital-grade breast pumping devices with a wide negative pressure range, it can solve the problem of not being able to fully simulate infant breast pumping, etc., and achieve the effect of expanding the range of negative pressure adjustment.
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[0014] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0015] see figure 1 , figure 2 , the wide negative pressure range hospital-grade breast pumping device of the present invention includes a chassis 1, a stepping motor 2, an air chamber slide 3, a crank 4, a rocker 5, a piston 6, a feeding bottle 7 and a cup 8, and a stepping motor 2 Installed in the cabinet 1, the rotating shaft of the stepping motor 2 stretches out from the side wall of the cabinet, and the air chamber slider 3, the crank 4, the rocking rod 5, the piston 6, the feeding bottle 7 and the cup 8 are all arranged outside the cabinet 1; , one end of the crank 4 is fixedly connected to the rotating shaft of the stepper motor 2, the front end of the air chamber slider 3 is connected to the chassis 1 through a shaft, and the air chamber slider 3 can rotate around the fulcrum; one end of the rocker 5 is connected to the crank The o...
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