CN216791490U - High-strength corrosion-resistant gas pressure measuring joint assembly - Google Patents
High-strength corrosion-resistant gas pressure measuring joint assembly Download PDFInfo
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- CN216791490U CN216791490U CN202122463577.4U CN202122463577U CN216791490U CN 216791490 U CN216791490 U CN 216791490U CN 202122463577 U CN202122463577 U CN 202122463577U CN 216791490 U CN216791490 U CN 216791490U
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Abstract
The utility model discloses a high-strength corrosion-resistant gas pressure measuring joint component, which comprises: the connector is of an inverted cone structure, and an air hole is formed in the middle of the connector; the joint is inserted into a tank body to be tested, and the top of the inverted cone faces the inner wall of the tank body; the pressure measuring air pipe is integrally formed with the connector in a riveting mode, a pressure measuring hole is formed in the center of the pressure measuring air pipe, and the pressure measuring hole is communicated with the air hole; the joint bolt comprises a bolt body provided with a central through hole, the top end of the bolt body is provided with a boss, the pressure measuring air pipe penetrates through the central through hole, and the joint is abutted against the front end of the boss; the outer surface of the bolt body is provided with external threads so as to be screwed with the tank body. The high-strength corrosion-resistant gas pressure measuring joint component is simple in overall structure, small in size and small in occupied space inside a microwave digestion instrument; has the advantages of high strength and good sealing performance.
Description
Technical Field
The utility model relates to a high-strength corrosion-resistant gas pressure measuring joint component in a microwave digestion technology.
Background
When the microwave digestion instrument is used for digesting a sample, high temperature and high pressure can be generated inside the digestion tank so as to accelerate the digestion process and reduce the digestion time. Because the pressure is crucial to the digestion effect in the digestion process, the microwave digestion instrument generally monitors the pressure inside the digestion tank in real time. On the one hand, the pressure is controlled, and on the other hand, the bursting caused by overhigh pressure is prevented. When the pressure is monitored in real time, in order to prevent the pressure sensor from receiving microwave influence, the technical scheme adopted generally is to arrange the sensor externally, and then connect the interior of the digestion tank with the pressure sensor through a pressure measuring air pipe, so as to measure the pressure.
Because the pressure measurement trachea is arranged in inside the microwave digestion instrument, so the pressure measurement trachea also can be in under the microwave environment, the high-pressure gas that simultaneously digests jar inside production all has corrosivity, it is all very high to digest jar internal gas pressure and temperature in addition, consequently requires very high to the material requirement and the intensity of pressure measurement trachea and joint, and common solution, the pressure measurement trachea is all thick to make the trachea joint volume great, therefore make to digest also great to occupying of appearance inner space to the microwave.
SUMMERY OF THE UTILITY MODEL
The application provides a corrosion-resistant gaseous pressure measurement joint Assembly of high strength, its aim at solve present pressure measurement trachea thick, pressure measurement joint volume great and occupy the problem that the appearance inner space was cleared up to the microwave.
In order to achieve the technical purpose, the following technical scheme is adopted in the application:
a high strength, corrosion resistant gas pressure tap assembly, comprising: the connector is of an inverted cone structure, and an air hole is formed in the middle of the connector; the joint is inserted into a tank body to be measured in pressure, and the top of the inverted cone faces to the inner wall of the tank body; the pressure measuring air pipe is integrally formed with the connector in a riveting mode, a pressure measuring hole is formed in the center of the pressure measuring air pipe, and the pressure measuring hole is communicated with the air hole; the joint bolt comprises a bolt body provided with a central through hole, a boss is arranged at the top end of the bolt body, the pressure measuring air pipe penetrates through the central through hole, and the joint abuts against the front end of the boss; the outer surface of the bolt body is provided with external threads so as to be screwed with the tank body.
Preferably, the bolt body includes a front end portion and a rear end portion integrally formed, and the rear end portion is protruded from the front end portion.
Preferably, the outer diameter of the manometric tube matches the inner diameter of the central bore.
Preferably, the centers of the air hole, the pressure measuring hole and the central through hole are on the same horizontal straight line.
Preferably, the joint and the pressure measuring air pipe are made of corrosion-resistant non-metallic materials.
By adopting the technical scheme, the high-strength corrosion-resistant gas pressure measuring joint component is simple in overall structure, small in size and small in occupied space inside the microwave digestion instrument; has the advantages of high strength and good sealing performance.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;
FIG. 2 is a schematic view showing the connection between the joint and the pressure measuring tube in this embodiment;
fig. 3 is a cross-sectional view of fig. 1.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.
Referring to fig. 1 to 3, a high-strength corrosion-resistant gas pressure tap assembly includes: a joint 1, a pressure measuring air pipe 2 and a joint bolt 3.
Wherein, the joint 1 is in an inverted cone shape. The joint 1 is directly inserted into the tank body needing pressure measurement, and the inverted conical surface is attached to a joint mounting hole in the tank body. The joint 1 is in the shape of an inverted cone with a small front and a big back, and the front surface is a compression surface. Under high pressure, the pressure-bearing area of the inverted cone connector is smaller, the pressure bearing is also smaller, and the inverted cone connector is less prone to being ejected out. In order to ensure the resistance to strong acid and strong alkali gases, the joint 1 is made of a corrosion-resistant non-metallic material. Because the back taper connects 1's structure, produces certain deformation under the pressurized condition, also can lead to the area that connects 1 rear end to be further suppressed greatly, makes the lifting surface area bigger on the contrary, is difficult to ejecting by high-pressure gas more. The joint 1 is internally provided with a breather hole.
The pressure measuring air pipe 2 and the inverted cone joint 1 are integrally formed and are all made of corrosion-resistant non-metal materials. The overall shape is cylindrical, the outer side of the cylindrical. The pressure measuring air pipe 2 has a central pressure measuring hole which is a micro hole and forms a gas flow path, and the gas in the tank to be measured is connected with a pressure sensor, so that the pressure is measured. The central pressure measuring hole is small enough, the pressure area is reduced, and the strength of the pressure measuring air pipe 2 is ensured, so that the pressure measuring air pipe 2 cannot burst under the high-pressure condition.
The joint bolt 3 includes a bolt body 31, and a boss 32 is provided at a front end of the bolt body 31. The bolt body 31 includes a front end portion 311 and a rear end portion 312 which are integrally formed. The rear end 312 is raised from the front end 311. The outer surface of the front end part 311 and the outer surface of the rear end part 312 are provided with external threads, the external threads and the tank body to be tested are screwed up and fixed in a rotating mode through the threads, the inverted cone connector 1 can be compressed, initial pre-tightening force is guaranteed, and meanwhile the whole connector part can be sealed and cannot be leaked. The bolt body 31 has a central through hole therein, which is fitted with the pressure measuring gas pipe 2 and can pass through the center. The front end of the joint bolt 3 is provided with a boss 32, and the boss 32 is abutted with the rear end part of the inverted cone joint 1. Under the high pressure condition, the lug boss 32 can be propped against the inverted cone connector 1 to prevent the gas from being ejected out.
The structure of the pressure measuring joint is optimized relative to the existing pressure measuring joint structure, the structure is small, and the microwave digestion instrument cannot be occupied in too much volume.
The above-described embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. All equivalent changes and modifications of the utility model that may occur to those skilled in the art are intended to be covered by the appended claims.
Claims (5)
1. Corrosion-resistant gaseous pressure measurement joint subassembly of high strength, its characterized in that includes:
the connector is of an inverted cone structure, and an air hole is formed in the middle of the connector; the joint is inserted into a tank body to be measured in pressure, and the top of the inverted cone faces to the inner wall of the tank body;
the pressure measuring air pipe is integrally formed with the connector in a rotating and riveting mode, a pressure measuring hole is formed in the center of the pressure measuring air pipe, and the pressure measuring hole is communicated with the air holes;
the joint bolt comprises a bolt body provided with a central through hole, the top end of the bolt body is provided with a boss, the pressure measuring air pipe penetrates through the central through hole, and the joint is abutted against the front end of the boss; the outer surface of the bolt body is provided with external threads so as to be screwed with the tank body.
2. The high strength, corrosion resistant gas pressure tap assembly of claim 1 wherein the bolt body includes an integrally formed forward end portion and a rearward end portion, the rearward end portion being raised from the forward end portion.
3. The high strength, corrosion resistant gas pressure tap assembly of claim 1 wherein the outer diameter of the pressure tap tube matches the inner diameter of the central bore.
4. The high strength, corrosion resistant gas pressure tap assembly of claim 1 wherein the gas vent, the pressure tap and the center of the central bore are in the same horizontal straight line.
5. The high strength, corrosion resistant, gas pressure tap assembly of claim 1, wherein said tap and said pressure tap tube are constructed of corrosion resistant non-metallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122463577.4U CN216791490U (en) | 2021-10-13 | 2021-10-13 | High-strength corrosion-resistant gas pressure measuring joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122463577.4U CN216791490U (en) | 2021-10-13 | 2021-10-13 | High-strength corrosion-resistant gas pressure measuring joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216791490U true CN216791490U (en) | 2022-06-21 |
Family
ID=81998724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122463577.4U Active CN216791490U (en) | 2021-10-13 | 2021-10-13 | High-strength corrosion-resistant gas pressure measuring joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216791490U (en) |
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2021
- 2021-10-13 CN CN202122463577.4U patent/CN216791490U/en active Active
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