Coarse and fine adjustment combined pressure annunciator
A pressure signal, combined technology, applied in the direction of machine/engine, jet propulsion device, rocket engine device, etc., can solve the problems of low pass rate and difficulty in adjusting the pressure signal device, so as to improve the accuracy and pass rate, and solve the problem of adjustment. point difficult effect
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[0012] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0013] Such as figure 1 Shown is a schematic structural diagram of a pressure signal device combined with coarse and fine adjustment in the present invention. It can be seen from the figure that the pressure signal device includes a socket 1, a housing 2, a micro switch 3, a hard core 4, a nozzle 9, and a diaphragm 5 , Disc spring 10, adjusting screw sleeve 11 and limit screw sleeve 12, also includes adjusting spring 6, spring disc 7 and adjusting bolt 8. The spring 6 is compressed by the diaphragm 5 and the spring plate 7, the spring plate 7 is limited by the bolt 8, the nozzle 9 is connected with the housing 2 through the external thread, and the diaphragm 5 is compressed by the housing 2 and the nozzle 9 to ensure the seal. The hard core 4 is placed on the diaphragm 5, the inner side of the disc spring 10 is placed on the hard core 4, the ou...
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