An adjustable infusion pump pulsation damper
A technology of pulsation damper and infusion pump, which is applied to variable capacity pump components, liquid fuel engines, pump components, etc., can solve the problems of complex device and high cost, and achieve the effect of improving sealing and reducing cost.
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Embodiment 1
[0039]Such asFigure 1-4Shown is an adjustable infusion pump pulsation damper, including an upper cover 1, an elastic diaphragm 3, a body 2 and an adjusting device 4. The upper cover 1 and the body 2 are cylindrical. Normally, the diameter of the upper cover 1 is set to be slightly smaller than the diameter of the body 2, the height of the upper cover 1 is set to be smaller than the height of the body 2, and the upper cover 1 and the body 2 The shape of is not limited to cylindrical shape. The upper cover 1 and the main body 2 overlap and are in contact with each other in axis. Normally, the two are closely attached to each other to compress the elastic diaphragm 3, and the upper cover 1 and the main body 2 are fixedly connected.
[0040]The fixed connection of the upper cover 1 and the main body 2 is bolt connection. A threaded through hole 12 is axially provided on the outer side of the upper cover 1, and the threaded through hole 12 is provided at least two, and further, eight. The t...
Embodiment 2
[0052]Such asFigure 5 As shown, the difference between this embodiment and Embodiment 1 is that the adjustment device 4 is configured as a micrometer head 41, which includes a sleeve and a screw, and the sleeve is fixedly connected to the second inner cavity 8 away from the upper cover 1 side.
[0053]When in use, the adjustment device 4 can be rotated according to the actual conditions of pulsation and pressure to accurately adjust the deformation amount of the elastic member 11.
Embodiment 3
[0055]Such asFigure 1-4Shown is an adjustable infusion pump pulsation damper, including an upper cover 1, an elastic diaphragm 3, a body 2 and an adjusting device 4. The upper cover 1 and the body 2 are cylindrical. Normally, the diameter of the upper cover 1 is set to be slightly smaller than the diameter of the body 2, the height of the upper cover 1 is set to be smaller than the height of the body 2, and the upper cover 1 and the body 2 The shape of is not limited to cylindrical shape. The upper cover 1 and the main body 2 overlap and are in contact with each other in axis. Normally, the two are closely attached to each other to compress the elastic diaphragm 3, and the upper cover 1 and the main body 2 are fixedly connected.
[0056]The fixed connection of the upper cover 1 and the main body 2 is bolt connection. A threaded through hole 12 is axially provided on the outer side of the upper cover 1, and the threaded through hole 12 is provided at least two, and further, eight. The t...
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