Endoscope fluid switching device and endoscope
A switching device and endoscope technology, applied in the fields of endoscopy, medical science, surgery, etc., can solve the problems that hinder the reduction of the size of the operation part, the electrical influence of the circuit board, and increase the weight of the operation part, so as to reduce the external size, The effect of low production cost and simple structure
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[0030] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0031] like figure 1 , figure 2 , image 3As shown, the fluid switching device in the present invention is composed of a valve body 1, a valve core 2, a first coil 3, a second coil 4, a first sealing ring 5, a second sealing ring 6 and the like. Among them, the valve body 1 is a straight-through tubular structure, and the valve body 1 is provided with an air inlet 1a, an air outlet 1b and an air port 1c, the air inlet 1a is located on one side of the valve body 1, and the air outlet 1b and the air port 1c are located on the side of the valve body 1. The other side of the valve body 1, and the air inlet 1a is between the air outlet 1b and the air port 1c. Of course, as an equivalent replacement, the air inlet 1a, the air outlet 1b and the air port 1c can also be set on the same side of the valve body 1, or the positions of the air ports on the valve body ...
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