CN220772421U - Leak-proof antifreezing plug pressure gauge pressure-taking valve with rapid dosing function - Google Patents
Leak-proof antifreezing plug pressure gauge pressure-taking valve with rapid dosing function Download PDFInfo
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- CN220772421U CN220772421U CN202322619443.6U CN202322619443U CN220772421U CN 220772421 U CN220772421 U CN 220772421U CN 202322619443 U CN202322619443 U CN 202322619443U CN 220772421 U CN220772421 U CN 220772421U
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- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000004321 preservation Methods 0.000 claims abstract description 22
- 238000007710 freezing Methods 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 56
- 239000003345 natural gas Substances 0.000 abstract description 28
- 239000003814 drug Substances 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000008014 freezing Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 239000002283 diesel fuel Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 208000001034 Frostbite Diseases 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a pressure meter pressure taking valve with a leakage prevention and freezing prevention function, which comprises a hydraulic conduction barrel, a heat preservation shell, a high-pressure opening and closing type quick connector, a high-pressure medicine adding and filling pipeline opening and closing type quick connector and a pressure meter, wherein a piston type annular liquid sealing column is arranged in the hydraulic conduction barrel, the heat preservation shell is arranged outside the hydraulic conduction barrel, a needle type pressure relief valve is arranged on one side of the hydraulic conduction barrel, and the high-pressure opening and closing type quick connector is arranged at the lower part of the hydraulic conduction barrel. The piston type annular liquid sealing column is arranged in the hydraulic transmission barrel and is used for transmitting pressure to the pressure instrument through the piston type annular liquid sealing column when mediums such as natural gas in a pipeline are damaged, so that the mediums such as natural gas cannot pass through the piston type annular liquid sealing column, and the leakage of the mediums such as the natural gas is avoided.
Description
Technical Field
The utility model belongs to the technical field of pressure meter pressure-taking valves, and particularly relates to a pressure meter pressure-taking valve with a leakage-proof, freezing-proof and blocking-proof function and a rapid dosing function.
Background
The pressure meter pressure-taking valve is a pressure meter pressure-taking control component in fluid conveying systems such as metallurgy, petroleum and natural gas chemical industry, long-distance pipeline, electric power, papermaking, nuclear industry, various low-temperature engineering, aerospace, ocean oil extraction and the like, and has the functions of stopping or pressure relief and the like. The pressure gauge pressure-taking valve is divided into needle type valves, carbon steel external thread movable butt welding needle type valves, multi-port pressure gauge pressure-taking valves, stainless steel high-pressure internal thread cutting sleeve needle type valves, stainless steel 304/316 high-sealing sampling needle type valves and the like according to purposes and functions.
The pressure gauge pressure sampling valve high-sealing sampling valve ensures the correct installation and use of the pressure gauge in the pipeline through the externally-added sampling and discharging device, and achieves the purposes of emptying and sampling. Has the function of a valve. The valve sealing structure is a hard and soft sealing design. The sealing surface avoids direct flushing of the medium. The valve is used in the automatic control system of oil field, chemical industry, light industry, electric power, metallurgy and other devices. The pressure gauge pressure-taking valve belongs to needle valve, is mainly used for pressure container and pipeline of chemical petroleum, and has the detection pressure not exceeding defined value, and has important monitoring and early warning functions for personal safety and equipment operation, and belongs to important safety accessory control valve.
The publication number is CN111912563A discloses a full-flow multifunctional instrument control valve, including pipeline, branch pipe seat, flange pressure taking nozzle, flange fastener, single flange double isolation bleed valve group, male and female screw movable interface, pressure transmitter, its characterized in that: the flange type pressure taking nozzle is connected with the branch pipe seat through welding, and the single-flange double-isolation relief valve group comprises a flange seat, a main valve assembly, a relief valve assembly and a pressure transmitting valve assembly. The utility model realizes the detection and the correction of the instrument through the arrangement of the full-flow multifunctional instrument control valve, simultaneously realizes the pollution discharge of the pipeline, improves the practicability and reduces the use cost.
The traditional pressure meter pressure-taking valve is easy to freeze and block in the pressure meter pressure-taking control aspect under the low-temperature environment, the monitoring function of the pressure meter is affected, when the pressure meter is damaged by external force, the medium in a monitoring pipeline is leaked, and in the petroleum and natural gas production technology aspect, the pressure meter pressure-taking valve is needed to carry out the medicine adding and filling operation for the inside of the pipeline. At present, a common pressure meter pressure taking valve is internally designed with a small drift diameter to prevent a high-pressure medium from damaging the pressure meter, the pressure meter is easy to freeze and block under a low-temperature working environment, the performance is unstable, the pressure meter is damaged, the medium is caused to continuously leak, and the operation of adding the medicine and filling agent is inconvenient in the process production operation.
Based on the pressure gauge pressure taking valve for the natural gas, the utility model designs a pressure gauge pressure taking valve for the natural gas so as to solve the problems.
Disclosure of Invention
In order to overcome the problems that the pressure gauge is prevented from being damaged by high-pressure medium due to the fact that a small-diameter design is adopted in the pressure gauge pressure taking valve of the conventional pressure gauge, the pressure gauge is easy to freeze and block in a low-temperature working environment, performance is unstable, the pressure gauge is damaged, continuous leakage of the medium is caused, and the operation of adding the medicine and filling agent is inconvenient in the process production operation. The utility model provides a pressure meter pressure-taking valve with a rapid dosing function for preventing leakage and freezing blockage, wherein a vacuum type heat-insulating shell is arranged outside a hydraulic conduction barrel, and the vacuum type heat-insulating shell has the effect of preventing low-temperature and high-temperature environment influences on the hydraulic conduction barrel and the pressure meter; the hydraulic transmission barrel is internally provided with a piston type annular liquid sealing column, which is used for transmitting pressure to the pressure instrument through the piston type annular liquid sealing column by the medium such as natural gas in the pipeline, so that the pressure channel and the inside of the pressure instrument are prevented from being frozen and blocked by water in the medium such as natural gas in a low-temperature state, and when the pressure instrument is damaged, the medium such as natural gas in the pipeline cannot pass through the piston type annular liquid sealing column, thereby avoiding leakage of the medium such as natural gas; the hydraulic conduction bucket lower part sets up high pressure switching formula quick-operation joint, and high pressure switching formula quick-operation joint can dock fast with the quick interface of high pressure dosing agent pipeline switching formula, and convenient and fast is more safe stable.
The utility model adopts the technical scheme that:
the utility model provides a leak protection prevents frostbite and blocks up pressure instrument that possesses quick charge function and gets pressure valve, includes hydraulic pressure conduction bucket, heat preservation shell, high pressure open-close type quick-operation joint, high pressure charge annotates quick-operation joint and pressure instrument of reagent pipeline open-close type, hydraulic pressure conduction bucket inside be equipped with piston ring liquid seal post, heat preservation shell establish in hydraulic pressure conduction bucket outside, hydraulic pressure conduction bucket one side be provided with needle type relief valve, needle type relief valve's one end be located heat preservation shell outside, the other end transversely pierces into the lateral wall of heat preservation shell and the lateral wall of hydraulic pressure conduction bucket; the lower part of the hydraulic conduction barrel is provided with a high-pressure opening-closing type quick connector which is connected with an opening-closing type quick connector of a high-pressure dosing injection pipeline; the upper end of the hydraulic conduction barrel is connected with a pressure instrument through a pressure instrument interface; the lower end of the hydraulic conduction barrel is connected with a pressure taking valve.
The middle part of the piston type annular liquid sealing column is provided with an annular groove; and the piston type ring liquid sealing column is arranged at the upper middle part in the hydraulic transmission barrel.
The heat-insulating shell is a vacuum heat-insulating shell, and the lower end surface of the vacuum heat-insulating shell is higher than the position where the hydraulic conduction barrel is provided with the high-pressure open-close type quick connector.
The upper end of the hydraulic conduction barrel is provided with a pressure gauge interface, and the pressure gauge is arranged on the hydraulic conduction barrel through the pressure gauge interface.
The hydraulic conduction barrel is connected with the pressure taking valve through threads.
The pressure taking valve is a high-pressure ball valve.
The middle part of the hydraulic conduction barrel is provided with a through T-shaped vent hole, the heat preservation shell is provided with a vent groove which transversely penetrates through the side wall of the heat preservation shell, one end of the needle-shaped pressure relief valve is arranged in the vent groove, and the end part of the needle-shaped pressure relief valve penetrating into the vent groove is positioned in the T-shaped vent hole.
The heat-insulating shell is welded with the hydraulic conduction barrel.
The utility model has the beneficial effects that:
in the utility model, the vacuum type heat-insulating shell is designed outside the hydraulic conduction barrel, and plays a role in preventing low-temperature and high-temperature environment influence on the hydraulic conduction barrel and the pressure instrument.
According to the utility model, the piston type annular liquid sealing column is arranged in the hydraulic transmission barrel and is used for transmitting pressure to the pressure instrument through the piston type annular liquid sealing column when mediums such as natural gas in a pipeline are damaged, so that the mediums such as natural gas cannot pass through the piston type annular liquid sealing column, and the leakage of the mediums such as the natural gas is avoided.
According to the utility model, the high-pressure opening and closing type quick connector is arranged at the lower part of the hydraulic conduction barrel, and can be quickly connected with the opening and closing type quick connector of the high-pressure dosing and injection pipeline, so that the hydraulic conduction barrel is more convenient, quick, safe and stable. The high-pressure open-close type quick connector is arranged on one side of the bottom of the hydraulic conduction barrel, and can be quickly connected with the open-close type quick connector of the high-pressure dosing and injection pipeline in the dosing and injection operation of the natural gas production process, so that the pressurized closed dosing and injection operation is realized.
Drawings
The present utility model will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the drawings, reference numerals are:
1. a hydraulic conduction barrel; 2. piston type ring liquid sealing column; 3. a thermal insulation housing; 4. a needle type pressure release valve; 5. a high pressure on-off quick connector; 6. an opening and closing type quick connector of a high-pressure dosing and injection pipeline; 7. a pressure-taking valve; 8. a pressure gauge interface; 9. a pressure gauge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Various structural schematic diagrams according to the disclosed embodiments of the present utility model are shown in the accompanying drawings. The figures are not drawn to scale, wherein certain details are exaggerated for clarity of presentation and may have been omitted. The shapes of the various regions, layers and their relative sizes, positional relationships shown in the drawings are merely exemplary, may in practice deviate due to manufacturing tolerances or technical limitations, and one skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions as actually required.
Example 1:
in order to overcome the problems that the pressure gauge is prevented from being damaged by high-pressure medium due to the fact that a small-diameter design is adopted in the pressure gauge pressure taking valve of the conventional pressure gauge, the pressure gauge is easy to freeze and block in a low-temperature working environment, performance is unstable, the pressure gauge is damaged, continuous leakage of the medium is caused, and the operation of adding the medicine and filling agent is inconvenient in the process production operation. The utility model provides a pressure gauge pressure valve with a rapid dosing function, which is shown in figure 1, wherein a vacuum type heat-insulating shell is arranged outside a hydraulic conduction barrel, and the vacuum type heat-insulating shell plays a role in preventing low temperature and high temperature environment influence on the hydraulic conduction barrel and the pressure gauge; the hydraulic transmission barrel is internally provided with a piston type annular liquid sealing column, which is used for transmitting pressure to the pressure instrument through the piston type annular liquid sealing column by the medium such as natural gas in the pipeline, so that the pressure channel and the inside of the pressure instrument are prevented from being frozen and blocked by water in the medium such as natural gas in a low-temperature state, and when the pressure instrument is damaged, the medium such as natural gas in the pipeline cannot pass through the piston type annular liquid sealing column, thereby avoiding leakage of the medium such as natural gas; the hydraulic conduction bucket lower part sets up high pressure switching formula quick-operation joint, and high pressure switching formula quick-operation joint can dock fast with the quick interface of high pressure dosing agent pipeline switching formula, and convenient and fast is more safe stable.
The utility model provides a leak protection prevents frostbite and blocks up pressure instrument that possesses quick charge function and gets pressure valve, includes hydraulic conduction bucket 1, heat preservation shell 3, high pressure open-close type quick-operation joint 5, high pressure charge annotates quick-operation joint 6 and pressure instrument 9 of reagent pipeline open-close type, hydraulic conduction bucket 1 inside be equipped with piston ring liquid seal post 2, heat preservation shell 3 establish in hydraulic conduction bucket 1 outside, hydraulic conduction bucket 1 one side be provided with needle type relief valve 4, one end of needle type relief valve 4 be located heat preservation shell 3 outside, the other end transversely pierces into the lateral wall of heat preservation shell 3 and the lateral wall of hydraulic conduction bucket 1; the lower part of the hydraulic conduction barrel 1 is provided with a high-pressure opening and closing type quick connector 5, and the high-pressure opening and closing type quick connector 5 is connected with a high-pressure dosing and injection pipeline opening and closing type quick connector 6; the upper end of the hydraulic conduction barrel 1 is connected with a pressure meter 9 through a pressure meter interface 8; the lower end of the hydraulic conduction barrel 1 is connected with a pressure taking valve 7.
As shown in fig. 1, in the utility model, a heat-insulating shell 3 is designed outside the hydraulic conduction barrel 1, and plays a role in preventing low-temperature and high-temperature environment influences on the hydraulic conduction barrel 1 and the pressure instrument 9. The piston type annular liquid sealing column 2 is arranged in the hydraulic conduction barrel 1 and is used for conducting pressure to the pressure instrument through the piston type annular liquid sealing column by natural gas and other mediums in the pipeline, so that the water in the natural gas and other mediums is prevented from being frozen and blocked in the pressure channel and the pressure instrument in a low-temperature state, and when the pressure instrument is damaged, the natural gas and other mediums in the pipeline cannot pass through the piston type annular liquid sealing column, and therefore leakage of the natural gas and other mediums is avoided.
In the utility model, the high-pressure opening and closing type quick connector 5 is arranged at the lower part of the hydraulic conduction barrel 1, and the high-pressure opening and closing type quick connector 5 can be quickly connected with the high-pressure dosing and injection pipeline opening and closing type quick connector 6, so that the hydraulic conduction barrel is more convenient and quick, and is safe and stable. The high-pressure open-close type quick connector 5 is arranged on one side of the bottom of the hydraulic conduction barrel 5, and can be quickly connected with the high-pressure open-close type quick connector 6 of the chemical adding and injecting pipeline in the chemical adding and injecting operation of the natural gas production process, so that the pressurized closed chemical adding and injecting operation is realized.
Example 2:
based on the embodiment 1, in this embodiment, preferably, an annular groove is formed in the middle of the piston type annular liquid sealing column 2; and the piston type ring liquid sealing column 2 is arranged at the upper middle part in the hydraulic conduction barrel 1.
In the utility model, the inner wall of the hydraulic conduction barrel 1 is provided with the limit baffles, the limit baffles are upper and lower, and the interval between the upper limit baffles and the lower limit baffles is the limit stroke of the designed sliding of the piston type ring liquid sealing column 2. The position of the limit baffle plate on the inner wall of the hydraulic conduction barrel 1 and below is higher than that of the needle type pressure release valve 4. In the utility model, the limit baffle is preferably a limit ring.
In the utility model, the middle part of the piston type annular liquid sealing column 2 is provided with the annular groove, so that the liquid at the upper part of the hydraulic conduction barrel 1 can not flow back in the hydraulic conduction barrel 1 at the lower end of the piston type annular liquid sealing column 2, and the hydraulic conduction barrel has a liquid sealing function.
According to the utility model, the piston type annular liquid sealing column 2 is arranged in the hydraulic conduction barrel 1 and is used for conducting pressure to the pressure instrument 9 through the piston type annular liquid sealing column 2 by natural gas and other mediums in a pipeline, so that the pressure channel and the interior of the pressure instrument 9 are prevented from being frozen and blocked under the low-temperature state by water in the natural gas and other mediums, and when the pressure instrument 9 is damaged, the natural gas and other mediums in the pipeline cannot pass through the piston type annular liquid sealing column 2, thereby avoiding leakage of the natural gas and other mediums.
Preferably, the heat-insulating shell 3 is a vacuum heat-insulating shell, and the lower end surface of the vacuum heat-insulating shell is higher than the position where the hydraulic conduction barrel 1 is provided with the high-pressure open-close type quick connector 5.
In the utility model, the vacuum type heat-insulating shell plays a role in preventing low-temperature and high-temperature environmental influences on the hydraulic conduction barrel 1 and the pressure instrument 9.
Preferably, the upper end of the hydraulic conduction barrel 1 is provided with a pressure gauge interface 8, and a pressure gauge 9 is arranged on the hydraulic conduction barrel 1 through the pressure gauge interface 8.
Preferably, the hydraulic conduction barrel 1 is in threaded connection with the pressure taking valve 7.
Preferably, the pressure-taking valve 7 is a high-pressure ball valve.
In the utility model, the bottom of the hydraulic conduction barrel 1 is connected with a high-pressure ball valve in a threaded manner and is used for being connected with a subsequent pipeline.
The high-pressure ball valve, the high-pressure opening and closing type quick connector 5 and the high-pressure drug adding injection pipeline opening and closing type quick connector 6 are all related to the utility model, and the high pressure range is 50-100MPa.
Preferably, the middle part of the hydraulic conduction barrel 1 is provided with a through T-shaped vent hole, the heat preservation shell 3 is provided with a vent groove which transversely penetrates through the side wall of the heat preservation shell 3, one end of the needle type pressure release valve 4 is arranged in the vent groove, and the end part of the needle type pressure release valve 4 penetrating into the vent groove is positioned in the T-shaped vent hole.
Preferably, the heat-insulating shell 3 is welded with the hydraulic conduction barrel 1.
In the utility model, the pressure relief opening of the needle type pressure relief valve 4 vertically penetrates out of the bottom of the heat insulation shell 3. The handle of the needle type pressure release valve 4 is positioned outside the heat preservation shell 3. For the purpose of detachment, the hydraulic conduction barrel 1 and the heat preservation shell 3 can be connected through threads.
In the utility model, the hydraulic conduction barrel 1 adopts a stainless steel barrel or 306, and the hydraulic conduction barrel 1 is hollow and cylindrical.
The specific use process of the utility model is as follows: an antifreezing solution or diesel oil is added to the upper end of the hydraulic conduction barrel 1, the antifreezing solution or diesel oil stays on the upper end face of the piston type ring liquid sealing column 2, and the hydraulic conduction barrel 1 installs a pressure instrument 9 in place through a pressure gauge interface 8. Then the pressure-taking valve at the lower end of the hydraulic conduction barrel 1 is connected with a required pipeline, then the piston type annular liquid sealing column 2 is propped up by the pressure from the pipeline, and the piston type annular liquid sealing column 2 compresses antifreezing fluid or diesel oil arranged at the upper end of the piston type annular liquid sealing column 2, so that the pressure instrument 9 performs liquid pressure test.
Under the condition of adding medicine, the high-pressure medicine adding and filling pipeline opening and closing type quick connector 6 is quickly connected with the high-pressure opening and closing type quick connector 5 in a butt joint mode, then the needed medicine is added, and the subsequent process is carried out. The medicament is preferably methanol. In the utility model, the original pressure taking valve is not required to be disassembled, and the medicine adding is directly and rapidly carried out.
According to the utility model, antifreezing fluid or diesel oil is added at the upper end of the hydraulic conduction barrel 1, so that the effect of buffering the pressure transmitted to the pressure instrument 9 by the piston type annular liquid sealing column 2 is achieved.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model. The device structure and method steps not described in detail in the present utility model are all prior art, and will not be further described in the present utility model.
Claims (8)
1. Leak-proof anti-freezing plug pressure gauge pressure valve with rapid dosing function, and is characterized in that: the hydraulic conduction device comprises a hydraulic conduction barrel (1), a heat preservation shell (3), a high-pressure opening and closing type quick connector (5), a high-pressure dosing agent pipeline opening and closing type quick connector (6) and a pressure instrument (9), wherein a piston type annular liquid sealing column (2) is arranged inside the hydraulic conduction barrel (1), the heat preservation shell (3) is arranged outside the hydraulic conduction barrel (1), a needle type pressure relief valve (4) is arranged on one side of the hydraulic conduction barrel (1), one end of the needle type pressure relief valve (4) is positioned outside the heat preservation shell (3), and the other end of the needle type pressure relief valve transversely penetrates through the side wall of the heat preservation shell (3) and the side wall of the hydraulic conduction barrel (1); the lower part of the hydraulic conduction barrel (1) is provided with a high-pressure opening and closing type quick connector (5), and the high-pressure opening and closing type quick connector (5) is connected with a high-pressure dosing injection pipeline opening and closing type quick connector (6); the upper end of the hydraulic conduction barrel (1) is connected with a pressure instrument (9) through a pressure gauge interface (8); the lower end of the hydraulic conduction barrel (1) is connected with a pressure taking valve (7).
2. The leak-proof antifreezing plug according to claim 1, wherein the pressure meter pressure valve with the rapid dosing function is characterized in that: the middle part of the piston type annular liquid sealing column (2) is provided with an annular groove, and the piston type annular liquid sealing column (2) is arranged at the upper middle part in the hydraulic conduction barrel (1).
3. The leak-proof antifreezing plug according to claim 1, wherein the pressure meter pressure valve with the rapid dosing function is characterized in that: the heat-insulating shell (3) is a vacuum heat-insulating shell, and the lower end surface of the vacuum heat-insulating shell is higher than the position where the hydraulic conduction barrel (1) is provided with the high-pressure open-close type quick connector (5).
4. The leak-proof antifreezing plug according to claim 1, wherein the pressure meter pressure valve with the rapid dosing function is characterized in that: the upper end of the hydraulic conduction barrel (1) is provided with a pressure gauge interface (8), and a pressure gauge (9) is arranged on the hydraulic conduction barrel (1) through the pressure gauge interface (8).
5. The leak-proof antifreezing plug according to claim 1, wherein the pressure meter pressure valve with the rapid dosing function is characterized in that: the hydraulic conduction barrel (1) is connected with the pressure taking valve (7) in a threaded manner.
6. The leak-proof antifreezing plug according to claim 1, wherein the pressure meter pressure valve with the rapid dosing function is characterized in that: the pressure taking valve (7) is a high-pressure ball valve.
7. The leak-proof antifreezing plug according to claim 1, wherein the pressure meter pressure valve with the rapid dosing function is characterized in that: the middle part of the hydraulic conduction barrel (1) is provided with a through T-shaped vent hole, the heat preservation shell (3) is provided with a vent groove which transversely penetrates through the side wall of the heat preservation shell (3), one end of the needle type pressure release valve (4) is arranged in the vent groove, and the end part of the needle type pressure release valve (4) penetrating into the vent groove is positioned in the T-shaped vent hole.
8. The leak-proof antifreezing plug according to claim 1, wherein the pressure meter pressure valve with the rapid dosing function is characterized in that: the heat-insulating shell (3) is welded with the hydraulic conduction barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619443.6U CN220772421U (en) | 2023-09-26 | 2023-09-26 | Leak-proof antifreezing plug pressure gauge pressure-taking valve with rapid dosing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322619443.6U CN220772421U (en) | 2023-09-26 | 2023-09-26 | Leak-proof antifreezing plug pressure gauge pressure-taking valve with rapid dosing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220772421U true CN220772421U (en) | 2024-04-12 |
Family
ID=90611619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322619443.6U Active CN220772421U (en) | 2023-09-26 | 2023-09-26 | Leak-proof antifreezing plug pressure gauge pressure-taking valve with rapid dosing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220772421U (en) |
-
2023
- 2023-09-26 CN CN202322619443.6U patent/CN220772421U/en active Active
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