CN216780580U - Ceramic pipe assembly structure - Google Patents
Ceramic pipe assembly structure Download PDFInfo
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- CN216780580U CN216780580U CN202123270351.9U CN202123270351U CN216780580U CN 216780580 U CN216780580 U CN 216780580U CN 202123270351 U CN202123270351 U CN 202123270351U CN 216780580 U CN216780580 U CN 216780580U
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Abstract
The utility model discloses a ceramic tube component structure, comprising: the electric heating pipe comprises an insulating ceramic pipe, a kovar pipe connected with the insulating ceramic pipe and a metal pipe connected with the kovar pipe, wherein the insulating ceramic pipe is connected with the kovar pipe through brazing, and the kovar pipe is connected with the metal pipe through electron beam welding. In the ceramic tube insulating assembly provided by the utility model, reliable connection between the ceramic tube and the Kovar tube is realized by adopting brazing, and reliable connection between the Kovar tube and the metal tube is realized by adopting electron beam welding; because the electron beam welding has extremely high energy density, the welding of the kovar tube and the metal tube can be completed within a short time, although the kovar tube is arranged between the metal tube and the ceramic tube, the electron beam welding can ensure that the ceramic tube insulation assembly has small thermal deformation, good straightness, high water sealing reliability and attractive welding seams.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a ceramic tube assembly structure.
Background
At present, stainless steel pipes are generally used as water pipelines of electromagnet equipment with water pipelines, and waterproof insulation needs to be paid attention to electrified components such as equipment coils or conductive components such as electrodes.
Because the pottery has good insulating properties and radiation resistance, consider with it to be applied to the equipment that has the water route pipeline in, mainly design the part that needs waterproof insulation in the water route structure for ceramic pipe at present, the stainless steel pipe is still utilized to other parts.
However, because ceramics lacks toughness, a reliable mechanical connection structure cannot be formed between the ceramic tube and the stainless steel tube, and the sealing performance and the reliability between the ceramic tube and the stainless steel tube are greatly influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a ceramic tube assembly structure.
An embodiment of the present invention provides a ceramic tube assembly structure, including: insulating ceramic pipe, with kovar pipe that insulating ceramic pipe connects and with the tubular metal resonator that kovar pipe links to each other, insulating ceramic pipe with connect through brazing between the kovar pipe, the kovar pipe with connect through electron beam welding between the tubular metal resonator.
Optionally, kovar pipe with lap welding between the insulating ceramic pipe, just kovar pipe with lap welding between the tubular metal resonator.
Optionally, the kovar tube is sleeved outside of the end of the insulating ceramic tube and outside of the end of the metal tube.
Optionally, the inner diameter of the insulating ceramic tube is the same as the inner diameter of the metal tube, and the outer diameter of the insulating ceramic tube is larger than the outer diameter of the metal tube;
the kovar tube comprises a first cylindrical tubular part attached to the outer side of the end of the insulating ceramic tube, a second cylindrical tubular part attached to the outer side of the end of the metal tube, and a conical tubular part connecting the first cylindrical tubular part and the second cylindrical tubular part.
Optionally, the axis of the insulating ceramic tube and the axis of the metal tube are located on the same straight line.
Optionally, the insulating ceramic tube and the metal tube may be locked by centering the collimator through both.
Optionally, a first metal layer is attached to an end face of the insulating ceramic tube, and a second metal layer is attached to the first metal layer.
Optionally, the first metal layer is a molybdenum-manganese layer or a tungsten-manganese layer.
Optionally, the second metal layer is a nickel plating layer.
Optionally, the metal pipe is any one of a stainless steel pipe, a copper pipe and a galvanized steel pipe.
The technical scheme provided by the embodiment of the utility model can have the following beneficial effects:
in the ceramic tube insulating assembly provided by the embodiment of the utility model, reliable connection between the ceramic tube and the kovar tube is realized by brazing, and reliable connection between the kovar tube and the metal tube is realized by electron beam welding; because the electron beam welding has extremely high energy density, the welding of the kovar tube and the metal tube can be completed in a short time, and although the kovar tube is arranged between the metal tube and the ceramic tube, the electron beam welding can ensure that the ceramic tube insulating assembly has small thermal deformation, good straightness, high water sealing reliability and attractive welding line.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a schematic structural view of a ceramic insulating assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a ceramic insulating assembly sleeved on a collimator rod according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, an embodiment of the present invention provides a ceramic tube assembly structure, including: insulating ceramic pipe 1, kovar pipe 2 and the tubular metal resonator 3 that links to each other with kovar pipe 2 of being connected with insulating ceramic pipe 1, through brazing between insulating ceramic pipe 1 and the kovar pipe 2 and be connected, through electron beam welding between kovar pipe 2 and the tubular metal resonator 3.
In the embodiment, the ceramic tube and the kovar tube are reliably connected by brazing, and the kovar tube and the metal tube are reliably connected by electron beam welding; because the electron beam welding has extremely high energy density, the welding of the kovar tube and the metal tube can be completed in a short time, and although the kovar tube is arranged between the metal tube and the ceramic tube, the electron beam welding can ensure that the ceramic tube insulating assembly has small thermal deformation, good straightness, high water sealing reliability and attractive welding line.
In the embodiment of the application, the metal pipe can be a stainless steel pipe, and has the advantages of good material quality, long service life and low water leakage rate. In addition, the metal pipe can also be a copper pipe, but the cost is higher; the metal pipe may also be a galvanized steel pipe if cost is a concern.
In the embodiment of this application, overlap joint welding between kovar pipe 2 and insulating ceramic pipe 1, and overlap joint welding between kovar pipe 2 and the tubular metal resonator 3. Therefore, the reliability of the connection between the insulating ceramic tube and the kovar tube and the reliability of the connection between the kovar tube and the metal tube are improved.
Further, the kovar tube 2 is fitted over the outside of the end of the insulating ceramic tube 1 and the outside of the end of the metal tube 3.
The ceramic pipe assembly structure provided by the embodiment can be used for conveying water, and the inner diameter surface of the kovar pipe 2 is connected with the outer diameter surfaces of the insulating ceramic pipe 1 and the metal pipe 3, so that the connection reliability of the insulating ceramic pipe 1 and the metal pipe 3 is ensured to be improved.
Furthermore, the inner diameter of the insulating ceramic tube 1 is the same as that of the metal tube 3, so that normal water delivery is ensured, meanwhile, the insulating ceramic tube 1 and the metal tube 3 can be collimated by means of an external collimating piece, the collimation degree of the insulating assembly of the ceramic tube is improved, and the outer diameter of the insulating ceramic tube 1 is larger than that of the metal tube 3;
the kovar tube 2 includes a first cylindrical tubular portion 21 which is fitted to the outside of the end portion of the insulating ceramic tube 1, a second cylindrical tubular portion 22 which is fitted to the outside of the end portion of the metal tube 3, and a conical tubular portion 23 which connects the first cylindrical tubular portion 21 and the second cylindrical tubular portion 22.
The connection part between the kovar tube 2 and the insulating ceramic tube 1 corresponds to the first cylindrical tubular part 21, and the connection part between the kovar tube 2 and the metal tube 3 corresponds to the first cylindrical tubular part 23, so that the reliability of connection between the parts in the ceramic tube insulating assembly is improved.
Further, the axis of the insulating ceramic tube 1 and the axis of the metal tube 3 are located on the same straight line.
Alternatively, the insulating ceramic tube 1 and the metal tube 3 may be locked by centering the collimator members passing through both.
Referring to fig. 2, the collimation pole piece includes alignment pole 4, lock nut 5, packing ring 6, the collimation pole passes insulating ceramic pipe 1, kovar pipe 2 and tubular metal resonator 3, 5 threaded connection alignment poles of lock nut 4, packing ring 6 cup joints alignment pole 4 and is located the lock nut inboard, thereby the collimation pole piece can be to the tubular metal resonator, insulating ceramic pipe strains, the centering, keep the collimation degree, thereby carry out lap-joint welding and carry out lap-joint welding to insulating ceramic pipe 1 and kovar pipe 2 and tubular metal resonator 3.
Further, a first metal layer is attached to the end surface of the insulating ceramic tube 1, and a second metal layer is attached to the first metal layer.
The end face of the insulating ceramic tube 1 in this embodiment corresponds to the first cylindrical tubular portion 21 of the kovar tube 2.
Optionally, the first metal layer is a molybdenum-manganese layer or a tungsten-manganese layer, and the end face of the ceramic tube connected to the kovar tube may be metalized by a molybdenum-manganese metallization process using a sintered metal powder method, or the end face of the ceramic tube connected to the kovar tube may be metalized by a tungsten-manganese metallization process using a sintered metal powder method.
Optionally, the second metal layer is a nickel plating layer, the nickel plating layer protects the first metal layer, and the brazing solder is between the nickel plating layer and the kovar tube to realize the connection between the insulating ceramic tube and the kovar tube.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
The present invention employs the terms first, second, etc. to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing description is only exemplary of the preferred embodiments of the utility model and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, and other embodiments can be made by combining the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features and (but not limited to) features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (10)
1. A ceramic tube assembly structure, comprising: insulating ceramic pipe, with kovar pipe that insulating ceramic pipe connects and with the tubular metal resonator that kovar pipe links to each other, insulating ceramic pipe with connect through brazing between the kovar pipe, the kovar pipe with connect through electron beam welding between the tubular metal resonator.
2. The ceramic tube assembly structure of claim 1, wherein the kovar tube is lap welded to the insulating ceramic tube and the kovar tube is lap welded to the metal tube.
3. The ceramic tube assembly structure of claim 1, wherein the kovar tube circumscribes an outside of an end of the insulating ceramic tube and an outside of an end of the metal tube.
4. The ceramic tube assembly structure of claim 3, wherein the insulating ceramic tube has an inner diameter that is the same as an inner diameter of the metal tube, and an outer diameter that is greater than an outer diameter of the metal tube;
the kovar tube comprises a first cylindrical tubular part attached to the outer side of the end of the insulating ceramic tube, a second cylindrical tubular part attached to the outer side of the end of the metal tube, and a conical tubular part connecting the first cylindrical tubular part and the second cylindrical tubular part.
5. The ceramic tube assembly structure of claim 1, wherein an axis of the insulating ceramic tube and an axis of the metal tube are located on a same line.
6. The ceramic tube assembly structure of claim 5, wherein the insulating ceramic tube and the metal tube are lockably centered via a collimator rod passing through both.
7. The ceramic tube assembly structure of claim 1, wherein a first metal layer is attached to an end face of the insulating ceramic tube, and a second metal layer is attached to the first metal layer.
8. The ceramic tube assembly structure of claim 7, wherein the first metal layer is a molybdenum manganese layer or a tungsten manganese layer.
9. The ceramic tube assembly structure of claim 8, wherein the second metal layer is a nickel plated layer.
10. The ceramic tube assembly structure according to any one of claims 1 to 9, wherein the metal tube is any one of a stainless steel tube, a copper tube, and a galvanized steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270351.9U CN216780580U (en) | 2021-12-24 | 2021-12-24 | Ceramic pipe assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123270351.9U CN216780580U (en) | 2021-12-24 | 2021-12-24 | Ceramic pipe assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216780580U true CN216780580U (en) | 2022-06-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123270351.9U Active CN216780580U (en) | 2021-12-24 | 2021-12-24 | Ceramic pipe assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216780580U (en) |
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2021
- 2021-12-24 CN CN202123270351.9U patent/CN216780580U/en active Active
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