Ceramic tube shell structure of X-ray tube

Abstract

A ceramic tube shell structure of an X-ray tube relates to the technical field of X-ray tubes and comprises: a corrugated part, wherein a plurality of ceramic knots are arranged on the outer circularwall of the corrugated part; a sleeving part,, wherein the sleeving part and the corrugated part are coaxially arranged, and are fixedly arranged at the left end and the right end of the corrugated part; and a solder placing part arranged on the end surface, far away from the corrugated part, of the sleeving part, wherein the solder placing part and the sleeving part are coaxially arranged and extend outwards. The excircle diameter of the solder placing part is smaller than that of the sleeving part, so that the sleeving part and the solder placing part form a stepped structure; by changing aplane sealing surface structure on a traditional ceramic tube shell into a sealing sleeve structure, the left end and the right end of the ceramic tube shell are both provided with sleeving parts (sealing sleeve structures), so compared with the plane sealing surface structure, the sleeving parts are more convenient to machine and higher in precision; and meanwhile, the solder placing part is arranged on the sleeving part, so that solder can be conveniently placed, and therefore, during assembly, the solder can be respectively heated, and the sealed welding of the ceramic tube shell, the anodering and the cathode ring can be completed.

Description

technical field [0001] The invention relates to the technical field of X-ray tubes, in particular to a ceramic shell structure used in X-ray tubes. Background technique [0002] The ceramic shell is an important component of the X-ray tube, which has excellent insulation. The ceramic shell is used to connect the anode assembly and the cathode assembly. See figure 1 At present, the structure of the ceramic shell is that one end is provided with an envelope structure 100, and the other end is provided with a flat cover structure 200. When in use, the envelope structure 100 is socketed with the anode ring of the anode assembly, and the flat cover structure 200 is connected with the cathode ring of the cathode assembly. For example, in the published patent documents, the patent number is 2016103662474, the patent name is "A High Reliability Security Inspection Ceramic X-ray Tube" and the patent number is 2016100217012, and the patent name is "A Ring-type Carbon Nano Cold Cathode...

AI Technical Summary

Problems solved by technology

[0003] However, it has been found in long-term use that due to the processing problem at the flat cover structure 20 of the ceramic shell, there will be leakage of air in the connection and bonding of the flat cover structure 200 and the cathode ring, although the probability of this phenomenon is extremely small , but the phenomenon of air leakage will affect the overall working environment in the X-ray tube

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