CN220792806U - Device for metering and calibrating gas dispenser - Google Patents
Device for metering and calibrating gas dispenser Download PDFInfo
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- CN220792806U CN220792806U CN202320958251.5U CN202320958251U CN220792806U CN 220792806 U CN220792806 U CN 220792806U CN 202320958251 U CN202320958251 U CN 202320958251U CN 220792806 U CN220792806 U CN 220792806U
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- fixed pipe
- pipe
- fixed
- connecting pipe
- annular groove
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- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000012795 verification Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 27
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 18
- 239000003345 natural gas Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000003949 liquefied natural gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000010030 laminating Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model belongs to the field of metering and calibrating devices, and particularly relates to a metering and calibrating device for a gas dispenser. The technology comprises a calibrating device body, wherein the calibrating device body is connected with a pipeline of the gas filling machine through a connecting pipe, a first fixed pipe is arranged in the connecting pipe, a second fixed pipe is fixed on the first fixed pipe positioned at the outer side of the connecting pipe, the first fixed pipe is connected and communicated with the second fixed pipe, and the diameter of the connecting pipe is equal to or smaller than that of the second fixed pipe, a sealing ring is arranged between the second fixed pipe and the connecting pipe, and a sealing component for fixing the gas filling machine pipeline in the second fixed pipe is arranged at the outer end of the second fixed pipe. The gas filling machine is convenient to be in sealing connection with the connecting pipe through the arrangement of the first fixing pipe, the sealing ring and the second fixing pipe, and then the pipeline of the gas filling machine is convenient to be fixed in the second fixing pipe through the arrangement of the sealing component, and the connecting pipes are connected and communicated, so that natural gas leakage in the verification process is prevented.
Description
Technical Field
The utility model belongs to the field of metering and calibrating devices, and particularly relates to a metering and calibrating device for a gas dispenser.
Background
The main component of lng is methane, which is recognized as the cleanest energy source on earth. In recent years, the development of the LNG industry in China is rapid, and in order to ensure normal use, the LNG dispenser needs to be metered and calibrated regularly so as to promote the development and technical progress of the whole LNG dispenser industry chain.
Although the existing metering and detecting device of the natural gas dispenser can finish metering and detecting work, the connecting stability between the detecting device and a pipeline of the dispenser is poor, the phenomenon of natural gas leakage easily occurs in the detecting process, the natural gas leakage can not only operate energy loss, but also cause serious consequences more easily due to excessive leakage.
Disclosure of Invention
According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the device for metering and calibrating the gas dispenser is convenient to increase stability and sealing performance between the calibrating device and a gas dispenser pipeline, so that leakage in the calibrating process is prevented.
The device for metering and calibrating the gas dispenser comprises a calibrating device body, wherein the calibrating device body is connected with a pipeline of the gas dispenser through a connecting pipe, a first fixed pipe is arranged in the connecting pipe, a second fixed pipe is fixed on the first fixed pipe positioned at the outer side of the connecting pipe, the first fixed pipe is connected and communicated with the second fixed pipe, the diameter of the connecting pipe is equal to or smaller than that of the second fixed pipe, a sealing ring is arranged between the second fixed pipe and the connecting pipe, and a sealing assembly used for fixing the gas dispenser pipeline in the second fixed pipe is arranged at the outer end of the second fixed pipe.
Further, the sealing assembly comprises a clamping block, the clamping block is composed of a plurality of clamping plates with elasticity, the clamping plates are circumferentially distributed along the outer end of the second fixed pipe, a tubular structure with the same inner diameter as that of the second fixed pipe is formed when the clamping plates are in a closed state, an annular groove is formed in the outer side wall of one end of the second fixed pipe, which is close to the clamping block, a fixing nut in threaded fit with the annular groove is arranged in the annular groove, and the top surface of the clamping plates is flush with the bottom of the annular groove when the clamping plates are in a closed state.
Further, the inside wall of first fixed pipe and the fixed pipe of second is loudspeaker form structure, and the fixed pipe of first fixed pipe and second diameter one end all is close to the connecting pipe setting, and the fixed pipe of first fixed pipe diameter one end and the fixed pipe of second diameter one end size same, and the fixed pipe inside wall of second is provided with the second sealing layer.
Further, the inner side walls of the clamping plates are respectively provided with a first sealing layer closely attached to the clamping plates.
Further, the width of the fixing nut is consistent with the width of the annular groove, and the length of the clamping block is smaller than the width of the fixing nut.
Further, the bottom of the annular groove is provided with external threads which are in threaded fit with the fixing nut, the outer side wall of the clamping plate is provided with external threads, and the clamping plate is in threaded fit with the fixing nut when folded.
Compared with the prior art, the utility model has the following beneficial effects:
the gas filling machine is convenient to be in sealing connection with the connecting pipe through the arrangement of the first fixing pipe, the sealing ring and the second fixing pipe, and then the pipeline of the gas filling machine is convenient to be fixed in the second fixing pipe through the arrangement of the sealing component, and the connecting pipes are connected and communicated, so that natural gas leakage in the verification process is prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a view showing the state of use of the present utility model;
FIG. 3 is a right side view of FIG. 1;
the names of the components in the figure are as follows: 1. the connecting pipe 2, the first fixed pipe 3, the sealing ring 4, the second fixed pipe 5, the clamping block 6, the first sealing layer 7, the second sealing layer 8 and the fixing nut.
Detailed Description
The present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Example 1
The embodiment of the device for metering and calibrating the gas dispenser, as shown in fig. 1 and 2, comprises a calibrating device body, wherein the calibrating device body is connected with a pipeline of the gas dispenser through a connecting pipe 1, and is of the prior art and is of the patent application number: CN202021632093.7 discloses a metering and calibrating device for a liquefied natural gas dispenser, the structure comprises a housing, a heat-insulating layer is arranged in the housing, a return air port is arranged on the left side of the front end of the housing, a liquid adding port is arranged on the right side of the front end of the housing, a liquid adding pipe is arranged in the liquid adding port, a return air pipe is arranged in the return air port, a display screen is arranged in the middle of the front end of the housing, a temperature display disc is arranged between the display screen and the return air port, a pressure display disc is arranged between the display screen and the liquid adding port, and the connecting pipe 1 comprises the liquid adding pipe and the return air pipe in the prior art;
the connecting pipe 1 is internally provided with a first fixed pipe 2, a second fixed pipe 4 is fixed on the first fixed pipe 2 positioned outside the connecting pipe 1, the first fixed pipe 2 is communicated with the second fixed pipe 4 in a connecting way, and the diameter of the connecting pipe 1 is equal to or smaller than that of the second fixed pipe 4, so that the second fixed pipe 4 is conveniently and tightly attached to the connecting pipe 1, and the connection is firmer;
the first fixed pipe 2 is in interference fit with the connecting pipe 1, and can be in threaded fit, so that the first fixed pipe 2 can be conveniently fixed in the connecting pipe 1;
a sealing ring 3 is arranged between the second fixed pipe 4 and the connecting pipe 1, so that the tightness between the second fixed pipe 4 and the connecting pipe 1 is convenient to increase, and the natural gas leakage in the verification process is prevented from affecting verification data and causing energy waste and more serious consequences are easy to induce;
the sealing component used for fixing the gas dispenser pipeline in the second fixed pipe 4 is arranged at the outer end of the second fixed pipe 4, so that the sealing effect and stability of the joint of the gas dispenser pipeline and the connecting pipe 1 are further improved, verification data are more accurate, and accidents are avoided to a certain extent.
Example 2
The technology is further described in this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the sealing assembly includes a clamping block 5, where the clamping block 5 is composed of a plurality of elastic clamping plates, and the clamping plates are circumferentially distributed along the outer end of the second fixed pipe 4, and form a tubular structure with the same inner diameter as the second fixed pipe 4 when the clamping plates are in a closed state, so that the pipe of the gas filling machine is conveniently clamped and fixed after being inserted into the second fixed pipe 4, and the pipe of the gas filling machine is hermetically connected with the second fixed pipe 4 to prevent natural gas leakage;
an annular groove is formed in the outer side wall of one end, close to the clamping block 5, of the second fixed pipe 4, and a fixed nut 8 in threaded fit with the annular groove is arranged in the annular groove, so that the clamping plate is driven to fold by rotating the fixed nut 8 to clamp a pipeline of the gas dispenser;
the top surface of the clamping plate is flush with the bottom of the annular groove when the clamping plate is in a folded shape, so that the inner wall of the fixing nut 8 is tightly attached to the clamping plate, and the fixing effect is further improved.
Further explaining, as shown in fig. 1 and 2, the external screw thread that is screw-threaded fit with the fixing nut 8 is provided at the bottom of the annular groove, and the external screw thread is provided at the outer side wall of the clamping plate, so that the fixing nut 8 is easier to rotate when the clamping plate is folded, and the abrasion of the fixing nut 8 to the clamping plate is reduced, thereby improving the service lives of the fixing nut 8 and the clamping plate.
Further to explain, as shown in fig. 1 and fig. 2, the inner side walls of the first fixing tube 2 and the second fixing tube 4 are in a horn-shaped structure, and the ends of the first fixing tube 2 and the second fixing tube 4 with smaller diameters are both close to the connecting tube 1, the end of the first fixing tube 2 with larger diameter is the same as the end of the second fixing tube 4 with smaller diameter, so that the pipe opening of the gas dispenser is conveniently clamped into the second fixing tube 4 or the first fixing tube 2, the gap between the gas dispenser pipe and the inner wall of the first fixing tube 2 or the second fixing tube 4 is conveniently reduced, and the possibility of leakage is further reduced;
the second sealing layer 7 is arranged on the inner side wall of the second fixed pipe 4, so that the fitting degree between the gas dispenser pipeline and the second fixed pipe 4 is further increased, and the sealing effect is improved.
Further to explain, as shown in fig. 1 and 2, the inside wall of splint all is provided with the first sealing layer 6 of closely laminating with it, is convenient for make the splint close between the time and the air entrainment machine pipeline closely laminating, both is convenient for increase fixed effect and still is convenient for further improve sealed effect, prevents that natural gas from leaking.
Further to explain, as shown in fig. 1 and 2, the width of the fixing nut 8 is consistent with the width of the annular groove, and the length of the clamping block 5 is smaller than the width of the fixing nut 8, so that the fixing nut 8 is convenient to drive the clamping plate to fold and fix the gas filling machine pipeline after the second fixing pipe 4, and the fixing nut 8 is still left to be partially positioned in the annular groove, so that the joint of the clamping block 5 and the second fixing pipe 4 is convenient to block through the fixing nut 8, and leakage of the joint due to insufficient adhesion of the clamping plate can be avoided to a certain extent.
In the use process, as shown in fig. 1, 2 and 3, the first fixed pipe 2 is connected with the connecting pipe 1, the second fixed pipe 4 is tightly attached to the connecting pipe 1, then the pipes of the gas filling machine are respectively inserted into the second fixed pipes 4, and the clamping plate is driven to fold by rotating the fixing nuts 8 to clamp and fix the pipes of the gas filling machine in the second fixed pipes 4.
Claims (6)
1. The utility model provides a gas dispenser metering verification device, includes the calibrating installation body, and the calibrating installation body passes through connecting pipe (1) and is connected its characterized in that with the pipeline of gas dispenser: a first fixed pipe (2) is arranged in the connecting pipe (1), a second fixed pipe (4) is fixed on the first fixed pipe (2) positioned at the outer side of the connecting pipe (1), the first fixed pipe (2) is connected and communicated with the second fixed pipe (4), the diameter of the connecting pipe (1) is equal to or smaller than that of the second fixed pipe (4), a sealing ring (3) is arranged between the second fixed pipe (4) and the connecting pipe (1), and a sealing assembly used for fixing a gas filling machine pipeline in the second fixed pipe (4) is arranged at the outer end of the second fixed pipe (4);
the sealing assembly comprises clamping blocks (5), the clamping blocks (5) are composed of a plurality of elastic clamping plates, the clamping plates are distributed circumferentially along the outer end of the second fixed pipe (4), and when the clamping plates are in a closed state, a tubular structure with the same inner diameter as that of the second fixed pipe (4) is formed.
2. The dispenser of claim 1, wherein: an annular groove is formed in the outer side wall of one end, close to the clamping block (5), of the second fixing pipe (4), a fixing nut (8) in threaded fit with the annular groove is arranged in the annular groove, and the top surface of the clamping plate is flush with the bottom of the annular groove when the clamping plate is in a folded shape.
3. A dispenser metering calibration device according to claim 1 or claim 2, wherein: the inside wall of first fixed pipe (2) and second fixed pipe (4) is loudspeaker form structure, and the one end that first fixed pipe (2) and second fixed pipe (4) diameter are little all close to connecting pipe (1) setting, and the one end that first fixed pipe (2) diameter is big is the same with the one end size that second fixed pipe (4) diameter is little, and second fixed pipe (4) inside wall is provided with second sealing layer (7).
4. The dispenser metering calibration device of claim 2, wherein: the inner side walls of the clamping plates are respectively provided with a first sealing layer (6) which is tightly attached to the clamping plates.
5. The dispenser metering calibration device of claim 2, wherein: the width of the fixing nut (8) is consistent with the width of the annular groove, and the length of the clamping block (5) is smaller than the width of the fixing nut (8).
6. The dispenser metering calibration device of claim 2, wherein: external threads which are in threaded fit with the fixing nut (8) are formed in the bottom of the annular groove, external threads are formed in the outer side wall of the clamping plate, and the clamping plate is in threaded fit with the fixing nut (8) when the clamping plate is folded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320958251.5U CN220792806U (en) | 2023-04-24 | 2023-04-24 | Device for metering and calibrating gas dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320958251.5U CN220792806U (en) | 2023-04-24 | 2023-04-24 | Device for metering and calibrating gas dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220792806U true CN220792806U (en) | 2024-04-16 |
Family
ID=90656886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320958251.5U Active CN220792806U (en) | 2023-04-24 | 2023-04-24 | Device for metering and calibrating gas dispenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220792806U (en) |
-
2023
- 2023-04-24 CN CN202320958251.5U patent/CN220792806U/en active Active
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