Semi-automatic sample feeding needle
A semi-automatic, sample-feeding technology, applied in the field of sample-feeding needles, which can solve the problems of affecting accuracy, poor control of the push rod pulling speed, time-consuming and labor-intensive, etc., to achieve the effect of avoiding thermal expansion and contraction.
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[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0018] See image 3 , The semi-automatic sample feeding needle of the present invention includes a needle tube 1 and a needle 2, and it also includes a cylinder-shaped body 3. One end of the needle tube 1 is connected with the needle 2, and the needle 2 is rotated. The replacement is relatively easy. The other end of the needle tube 1 is connected to the cylinder-shaped body 3. Connect, the other end of the needle tube 1 extends into the...
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