CN211017642U - Simple vacuum socket - Google Patents
Simple vacuum socket Download PDFInfo
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- CN211017642U CN211017642U CN201922334551.2U CN201922334551U CN211017642U CN 211017642 U CN211017642 U CN 211017642U CN 201922334551 U CN201922334551 U CN 201922334551U CN 211017642 U CN211017642 U CN 211017642U
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- vacuum chamber
- annular
- socket
- vacuum
- chamber wall
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Abstract
The utility model relates to a simple vacuum socket, which is used for being arranged on a vacuum chamber wall plate of an electron microscope, wherein the vacuum chamber wall plate is provided with a socket; the method comprises the following steps: one end of the sealing element is inserted into the socket of the vacuum chamber wallboard, and the other end of the sealing element extends out of the outer side of the vacuum chamber wallboard; the printed circuit board is provided with a first mounting surface and a second mounting surface which are opposite; the outer edge of the first mounting surface is tightly attached to one end, extending out of the vacuum chamber wall plate, of the sealing element; the joint is welded on the second mounting surface of the printed circuit board; one end of the gland is tightly pressed on the outer edge of the second mounting surface, and the other end of the gland is used for being connected with the outer side of the vacuum chamber wallboard. Simple structure, during the assembly, only need with the joint welding on printed circuit board, insert the socket to the vacuum chamber wallboard with the one end of sealing member in, then adopt the gland to compress tightly printed circuit board on the sealing member, the equipment is convenient, and it is easy, with low costs to make.
Description
Technical Field
The utility model relates to an electron microscope technical field especially relates to simple and easy vacuum socket.
Background
An Electron Microscope (abbreviated as Electron Microscope) has become an indispensable important tool in modern science and technology after more than fifty years of development. The vacuum in the electron microscope sample chamber needs to be maintained at a relatively high vacuum level, and the connection of the electrical components in the vacuum chamber to the control components outside the vacuum chamber must be accomplished through a vacuum socket.
The traditional vacuum socket is generally formed by sintering glass and kovar alloy (the expansion coefficient of the kovar alloy is consistent with that of the glass), and the traditional vacuum socket is difficult to manufacture and high in cost.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a simple vacuum socket for solving the problems of the conventional technology.
A simple vacuum socket is used for being installed on a vacuum chamber wall plate of an electron microscope, and the vacuum chamber wall plate is provided with a socket; the method comprises the following steps:
one end of the sealing element is inserted into the socket of the vacuum chamber wallboard, and the other end of the sealing element extends out of the outer side of the vacuum chamber wallboard;
a printed circuit board having opposing first and second mounting faces; the outer edge of the first mounting surface is tightly attached to one end, extending out of the vacuum chamber wallboard, of the sealing element;
a header soldered to the second mounting surface of the printed circuit board;
and one end of the gland is tightly pressed on the outer edge of the second mounting surface, and the other end of the gland is used for connecting the outer side of the vacuum chamber wallboard.
The simple vacuum socket comprises a sealing element, a printed circuit board, a connector and a gland, and is simple in structure, and the printed circuit board and the connector are easy to manufacture; during assembly, only the connector is required to be welded on the printed circuit board, one end of the sealing element is inserted into the socket of the vacuum chamber wall plate, then the printed circuit board is pressed on the sealing element by the pressing cover, and the vacuum chamber wall plate sealing device is convenient to assemble, easy to manufacture and low in cost.
In one embodiment, the seal member includes an annular sleeve and the annular plate is disposed on an outer peripheral side of the annular sleeve; one end of the annular sleeve is inserted into the socket of the vacuum chamber wallboard, and the other end of the annular sleeve extends out of the outer side of the vacuum chamber wallboard and is tightly attached to the outer edge of the first mounting surface; the annular plate is arranged on the outer side of the vacuum chamber wallboard.
In one embodiment, the annular plate is integrally formed with the annular sleeve.
In one embodiment, the sealing device further comprises a first sealing ring arranged between the annular plate and the printed circuit board.
In one embodiment, the vacuum chamber wall panel further comprises a second sealing ring arranged between the annular plate and the vacuum chamber wall panel.
In one embodiment, an annular groove is arranged on the outer side of the vacuum chamber wall plate, and the annular groove is arranged around a socket of the vacuum chamber wall plate and is communicated with the socket; the second sealing ring is arranged in the annular groove and is tightly attached to the annular sleeve, the annular plate and the vacuum chamber wallboard.
In one embodiment, an interface is provided in the connector for communicating with the printed circuit board.
In one embodiment, the gland is annularly stepped.
In one embodiment, the pressing cover comprises an annular pressing portion, an annular adapter portion and an annular connecting portion, the annular pressing portion, the annular adapter portion and the annular connecting portion are sequentially connected, the annular pressing portion is pressed on the outer edge of the second mounting surface, and the annular connecting portion is used for being connected with the outer side of the vacuum chamber wallboard.
In one embodiment, the vacuum chamber wall panel further comprises a fastener, wherein the fastener is connected with the annular connecting part and the vacuum chamber wall panel.
Drawings
Fig. 1 is a sectional view of a simple vacuum socket according to an embodiment of the present invention.
The meaning of the reference symbols in the drawings is:
the vacuum chamber wall plate 100, the socket 101 sealing element 10, the annular sleeve 11, the annular plate 12, the printed circuit board 20, the joint 30, the interface 31, the first sealing ring 40, the second sealing ring 50, the gland 60, the annular pressing part 61, the annular adapter part 62, the annular connecting part 63 and the fastener 70.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Referring to fig. 1, a simple vacuum socket according to an embodiment of the present invention is installed on a wall plate of a vacuum chamber of an electron microscope, and the wall plate 100 of the vacuum chamber is provided with a socket 101. The simple vacuum socket includes a sealing member 10, a printed circuit board 20, a connector 30, and a pressing cover 60. One end of the sealing member 10 is adapted to be inserted into the insertion opening 101 of the vacuum chamber wall panel 100, and the other end of the sealing member 10 extends out of the outside of the vacuum chamber wall panel 100. The printed circuit board 20 has opposite first and second mounting faces 21, 22, with the outer edge of the first mounting face 21 abutting the end of the seal 10 extending out of the vacuum chamber 100. The header 30 is soldered to the second mounting surface 22 of the printed circuit board 20. One end of the pressing cover 60 is pressed against the outer edge of the second mounting surface 22, and the other end of the pressing cover 60 is used for connecting the outer side of the vacuum chamber wall panel 100.
The simple vacuum socket of the utility model comprises a sealing element 10, a printed circuit board 20, a joint 30 and a gland 60, the structure is simple, and the printed circuit board 20 and the joint 30 are easy to manufacture; during assembly, only the connector 30 needs to be welded on the printed circuit board 20, one end of the sealing element 10 is inserted into the socket 101 of the vacuum chamber wall plate 100, and then the pressing cover 60 is adopted to press the printed circuit board 20 on the sealing element 10, so that the assembly is convenient, the manufacture is easy, and the cost is low.
It should be noted that, the electrical components inside the vacuum chamber are electrically connected to the printed circuit board 20 through the socket 101 of the wall plate 100 of the vacuum chamber, and the control components outside the vacuum chamber are electrically connected to the printed circuit board 20 through the connector 30; furthermore, an interface 31 for communicating with the printed circuit board 20 is disposed in the connector 30, and a plug of a control component outside the vacuum chamber passes through the interface 31 of the connector 30 to be electrically connected with the printed circuit board 20.
Specifically, the seal 10 includes an annular sleeve 11 and an annular plate 12, the annular plate 12 being provided on an outer peripheral side of the annular sleeve 11; one end of the annular sleeve 11 is used for being inserted into the socket 101 of the vacuum chamber wall plate 100, and the other end of the annular sleeve 11 extends out of the outer side of the vacuum chamber wall plate 100 and is tightly attached to the outer edge of the first mounting surface 21; the annular plate 12 is provided on the outside of the vacuum chamber wall panel 100. In the present embodiment, the annular plate 12 is integrally formed with the annular sleeve 11, which effectively ensures the stability and sealing performance of the whole sealing member 10.
In some embodiments, the simplified vacuum socket further includes a first sealing ring 40 disposed between the annular plate 12 and the printed circuit board 20, and the first sealing ring 40 is disposed adjacent to the annular sleeve 11, the annular plate 12 and the first mounting surface 21 of the printed circuit board 20, so as to further improve the sealing performance between the printed circuit board 20 and the sealing member 10. Further, the first sealing ring 40 is an elastic rubber ring.
In some embodiments, the simplified vacuum socket further comprises a second sealing ring 50 disposed between the annular plate 12 and the vacuum chamber wall panel 100, further improving the seal between the seal 10 and the vacuum chamber wall panel 100. Further, an annular groove 102 is arranged on the outer side of the vacuum chamber wall plate 100, and the annular groove 102 is arranged around the socket 101 of the vacuum chamber wall plate 100 and is communicated with the socket 101; the second sealing ring 50 is arranged in the annular groove 102, and the second sealing ring 50 is tightly attached to the annular sleeve 11, the annular plate 12 and the vacuum chamber wall plate 100, so that the second sealing ring 50 is effectively ensured to be installed at stability, and the second sealing ring 50 is simultaneously tightly attached to the annular sleeve 11, the annular plate 12 and the vacuum chamber wall plate 100, so that the sealing property between the sealing element 10 and the vacuum chamber wall plate 100 is effectively ensured. Further, the second seal ring 50 is an elastic rubber ring.
The gland 60 is annular stepped; specifically, the pressing cover 60 includes an annular pressing portion 61, an annular adaptor portion 62 and an annular connecting portion 63 connected in sequence, the annular pressing portion 61 is pressed against the outer edge of the second mounting surface 22, and the annular connecting portion 63 is used for connecting the outer side of the vacuum chamber wall panel 100. Further, the simple vacuum socket further includes a fastener 70, the fastener 70 connects the annular connecting portion 63 and the vacuum chamber wall plate 100; further, the fasteners 70 are screws, and it will be appreciated that the annular connection 63 is screwed to the vacuum chamber wall panel 100.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A simple vacuum socket is used for being installed on a vacuum chamber wall plate of an electron microscope, and the vacuum chamber wall plate is provided with a socket; it is characterized by comprising:
one end of the sealing element is inserted into the socket of the vacuum chamber wallboard, and the other end of the sealing element extends out of the outer side of the vacuum chamber wallboard;
a printed circuit board having opposing first and second mounting faces; the outer edge of the first mounting surface is tightly attached to one end, extending out of the vacuum chamber wallboard, of the sealing element;
a header soldered to the second mounting surface of the printed circuit board;
and one end of the gland is tightly pressed on the outer edge of the second mounting surface, and the other end of the gland is used for connecting the outer side of the vacuum chamber wallboard.
2. The simplified vacuum jack of claim 1, wherein the sealing member includes an annular sleeve and an annular plate provided on an outer peripheral side of the annular sleeve; one end of the annular sleeve is inserted into the socket of the vacuum chamber wallboard, and the other end of the annular sleeve extends out of the outer side of the vacuum chamber wallboard and is tightly attached to the outer edge of the first mounting surface; the annular plate is arranged on the outer side of the vacuum chamber wallboard.
3. The simplified vacuum socket as set forth in claim 2 wherein said annular plate is formed integrally with said annular sleeve.
4. The simplified vacuum jack of claim 2, further comprising a first sealing ring disposed between the annular plate and the printed circuit board.
5. The simplified vacuum socket as set forth in claim 2 further comprising a second sealing ring disposed between said annular plate and said vacuum chamber wall plate.
6. The simple vacuum socket as claimed in claim 5, wherein an annular groove is provided on an outer side of the vacuum chamber wall plate, the annular groove being disposed around and communicating with the insertion opening of the vacuum chamber wall plate; the second sealing ring is arranged in the annular groove and is tightly attached to the annular sleeve, the annular plate and the vacuum chamber wallboard.
7. The simplified vacuum jack of claim 1, wherein the connector includes an interface for communicating with the printed circuit board.
8. The simplified vacuum socket as set forth in claim 1, wherein the gland is annularly stepped.
9. The simple vacuum socket as claimed in claim 8, wherein the pressing cover comprises an annular pressing portion, an annular adapter portion and an annular connecting portion, the annular pressing portion is pressed against the outer edge of the second mounting surface, and the annular connecting portion is used for connecting the outer side of the vacuum chamber wall plate.
10. The simplified vacuum socket as claimed in claim 9, further comprising a fastener connecting the annular connecting portion and the vacuum chamber wall panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922334551.2U CN211017642U (en) | 2019-12-23 | 2019-12-23 | Simple vacuum socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922334551.2U CN211017642U (en) | 2019-12-23 | 2019-12-23 | Simple vacuum socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017642U true CN211017642U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922334551.2U Active CN211017642U (en) | 2019-12-23 | 2019-12-23 | Simple vacuum socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211017642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038209A (en) * | 2020-09-18 | 2020-12-04 | 重庆中元汇吉生物技术有限公司 | Circuit connection structure and mass spectrometer with same |
-
2019
- 2019-12-23 CN CN201922334551.2U patent/CN211017642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038209A (en) * | 2020-09-18 | 2020-12-04 | 重庆中元汇吉生物技术有限公司 | Circuit connection structure and mass spectrometer with same |
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