CN220491872U - Pressure core base based on metallized ceramic welding - Google Patents
Pressure core base based on metallized ceramic welding Download PDFInfo
- Publication number
- CN220491872U CN220491872U CN202321997660.2U CN202321997660U CN220491872U CN 220491872 U CN220491872 U CN 220491872U CN 202321997660 U CN202321997660 U CN 202321997660U CN 220491872 U CN220491872 U CN 220491872U
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- Prior art keywords
- hole
- connecting piece
- groove
- pressure core
- metallized ceramic
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- 239000000919 ceramic Substances 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 title claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 10
- 229910010293 ceramic material Inorganic materials 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure core base based on metallized ceramic welding, which comprises the following components: the novel socket comprises a socket body, a connecting piece and a pin, wherein a through hole is formed in the socket body, a first groove is formed in one end of the socket body, a second groove is formed in the other end of the socket body, two ends of the through hole are communicated with the first groove and the second groove, the connecting piece is installed in the through hole, a mounting hole is formed in the connecting piece, and the pin is installed in the mounting hole. Through the application of the utility model, the pressure core base based on the metallized ceramic welding is provided, the pins are connected in the mounting holes through the sintering of the connecting piece, the tightness is good, the tightness of the base and the service life of the base are enhanced, the precision of the pressure sensor is improved, and the yield of products is ensured.
Description
Technical Field
The utility model relates to the related technical fields of pressure core sealing and the like, in particular to a pressure core base based on metallized ceramic welding.
Background
Along with the vigorous development of electronic products, the pressure sensor has the advantages of high precision, reliable operation, high frequency response, small hysteresis, light weight, simple structure and the like, can work under severe conditions, and is convenient for realizing the digitization of instruments and meters. The method is widely applied in the fields of biology, medicine, chemical industry, geotechnical mechanics, weather, petroleum exploration, aerospace and the like, and achieves rapid development. The structure of the pressure sensor mainly comprises two major components, wherein the tube seat is one of the key components, and the insulation resistance, voltage resistance, sealing performance, bonding performance and pressure resistance of the sensor are all realized by supporting the tube seat. When manufacturing the pressure sensor tube seat, the traditional process uses split type, specifically, the inner plate and the shell are manufactured separately, then the inner plate and the shell are welded and connected, deformation is easy to generate during welding, the tightness is poor, and the accuracy and the yield of the pressure sensor are affected.
Disclosure of Invention
In view of the above, the present utility model provides a pressure core base based on metallized ceramic welding, which comprises:
the novel socket comprises a socket body, a connecting piece and a pin, wherein a through hole is formed in the socket body, a first groove is formed in one end of the socket body, a second groove is formed in the other end of the socket body, two ends of the through hole are communicated with the first groove and the second groove, the connecting piece is installed in the through hole, a mounting hole is formed in the connecting piece, and the pin is installed in the mounting hole.
In another preferred embodiment, the connector is made of a ceramic material.
In another preferred embodiment, the connector is soldered to the through hole and the pin is soldered to the mounting hole.
In another preferred embodiment, the surface of the connecting member is provided with a metal film.
In another preferred embodiment, an oil filling hole is further formed in the tube seat.
By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the utility model, the pressure core base based on the metallized ceramic welding is provided, the pins are connected in the mounting holes through the sintering of the connecting piece, the tightness is good, the tightness of the base and the service life of the base are enhanced, the precision of the pressure sensor is improved, and the yield of products is ensured.
Drawings
FIG. 1 is an overall schematic of a pressure core mount based on metallized ceramic welding in accordance with the present utility model.
1. A tube seat; 2. a connecting piece; 3. a through hole; 4. a mounting hole; 5. a first groove; 6. an oil filling port; 7. pins; 8. and a second groove.
Detailed Description
The utility model is further described below, but is not limited to, with reference to the drawings and detailed description.
As shown in fig. 1, a pressure core mount based on metallized ceramic welding of a preferred embodiment is shown, comprising:
tube socket 1, connecting piece 2 and pin 7, tube socket 1 is inside to be equipped with a through-hole 3, tube socket 1 one end is provided with a first recess 5, tube socket 1's the other end is provided with a second recess 8, the both ends of through-hole 3 with first recess 5 with second recess 8 intercommunication, connecting piece 2 install in the through-hole 3, be equipped with a mounting hole 4 on the connecting piece 3, the pin install in the mounting hole 4.
In the actual use process, the metal pin 7 and the metal tube seat 1 are installed together through the connecting piece 2, so that the connection is tight, the connecting piece 2 is made of a ceramic material, and the thermal expansion coefficient of the ceramic material is more matched with that of the metal pin 7 and the metal tube seat 1, so that the connecting piece 2 is more resistant to high temperature.
Further, as a preferred embodiment, the connector 2 is made of a ceramic material.
Further, as a preferred embodiment, the connector 2 is soldered to the through hole 3, and the pins 7 are soldered to the mounting holes 4.
Further, as a preferred embodiment, the first groove 5 includes a first groove portion and a second groove portion connected in sequence, the second groove portion communicates with the through hole 3, the inner diameter of the first groove portion is larger than the inner diameter of the second groove portion, and the inner diameter of the end of the first groove portion away from the second groove portion is larger than the inner diameter of the end of the first groove portion close to the second groove portion. Further, the inner diameter of the end of the first groove portion away from the second groove portion is larger than the inner diameter of the end of the first groove portion close to the second groove portion, so that the tube seat is convenient to install in installation.
Further, as a preferred embodiment, the second groove 8 includes a third groove portion and a fourth groove portion which are sequentially connected, the fourth groove portion is communicated with the through hole 3, the inner diameter of the third groove portion is larger than the inner diameter of the fourth groove portion, and the inner diameter of one end of the third groove portion away from the fourth groove portion is larger than the inner diameter of one end of the third groove portion close to the fourth groove portion. Further, the inner diameter of the end of the third groove portion away from the fourth groove portion is larger than the inner diameter of the end of the third groove portion close to the fourth groove portion, so that the tube seat is convenient to install when being installed.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the utility model, the bottom of the second recess 8 is provided with a cover layer, to which the lower end of the connecting piece 2 is connected. Further, the cover layer is made of ceramic material, and is used for enhancing the sealing performance of the tube seat 1 and has an insulating function.
In a further embodiment of the utility model, the surface of the connecting piece 2 is provided with a metal film. Further, the surface of the connecting piece 2 is metallized, so that a layer of metal film is coated on the surface of the connecting piece 2 to serve as an electrode, and the welding of the ceramic and metal tube seat 1 and the metal pins 7 is realized.
Further, as a preferred embodiment, an oil filling hole 6 is provided in the stem 1. Specifically, oil can be fed through the oil charging hole 6.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (4)
1. A pressure core base based on metallized ceramic welding, comprising:
the novel socket comprises a socket body, a connecting piece and a pin, wherein a through hole is formed in the socket body, a first groove is formed in one end of the socket body, a second groove is formed in the other end of the socket body, two ends of the through hole are communicated with the first groove and the second groove, the connecting piece is installed in the through hole, a layer of metal film is arranged on the surface of the connecting piece, a mounting hole is formed in the connecting piece, and the pin is installed in the mounting hole.
2. The metallized ceramic welded pressure core base of claim 1, wherein said connector is made of a ceramic material.
3. The metallized ceramic solder based pressure core mount of claim 1, wherein said connector is soldered to said through hole and said pin is soldered to said mounting hole.
4. The metallized ceramic welding-based pressure core base of claim 1, wherein said tube base is further internally provided with an oil filling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321997660.2U CN220491872U (en) | 2023-07-27 | 2023-07-27 | Pressure core base based on metallized ceramic welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321997660.2U CN220491872U (en) | 2023-07-27 | 2023-07-27 | Pressure core base based on metallized ceramic welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220491872U true CN220491872U (en) | 2024-02-13 |
Family
ID=89837042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321997660.2U Active CN220491872U (en) | 2023-07-27 | 2023-07-27 | Pressure core base based on metallized ceramic welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220491872U (en) |
-
2023
- 2023-07-27 CN CN202321997660.2U patent/CN220491872U/en active Active
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