CN218494419U - Quick sealing device for low-pressure natural gas inlet detection pipe of heavy-duty combustion engine - Google Patents
Quick sealing device for low-pressure natural gas inlet detection pipe of heavy-duty combustion engine Download PDFInfo
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- CN218494419U CN218494419U CN202222697422.1U CN202222697422U CN218494419U CN 218494419 U CN218494419 U CN 218494419U CN 202222697422 U CN202222697422 U CN 202222697422U CN 218494419 U CN218494419 U CN 218494419U
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- natural gas
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Abstract
The utility model discloses a quick sealing device for a low-pressure natural gas inlet detection pipe of a heavy-duty gas turbine, which comprises a clamp part connected between a first pipeline and a second pipeline; a sealing taper sleeve is arranged on the inner side surface of the connecting position of the first pipeline and the second pipeline; two ends of the sealing taper sleeve are of tapered structures. The beneficial effects of the utility model are that: the mechanism is convenient to disassemble, and the overhauling time is convenient to shorten; this structure adopts the cooperation of clamp and sealed taper sleeve to be connected, compresses tightly the pipeline of both sides through the clamp and makes the conical surface and the contact of pipeline lateral wall of sealed taper sleeve sealed simultaneously to the two end awl contacts sealed for face or multiple track contact is sealed, and the flange joint is sealed before the leakproofness is than.
Description
Technical Field
The utility model relates to a swift sealing device of heavy combustion engine low pressure natural gas inlet detection pipe belongs to heavy combustion engine equipment technical field.
Background
The traditional heavy-duty combustion engine low-pressure natural gas inlet detection pipes are fixedly connected with each other by adopting a sealing device as shown in figures 1 and 2, and the sealing device comprises a flange sealing surface connected between a first pipeline 1 and a second pipeline 2; this flange seal face adopts bolt 3 and nut 4 to connect, and it is inconvenient to dismantle, overhauls the cycle length, and this seal structure compresses tightly the little leakproofness ability of line contact sealing contact surface poor for the flange face, is provided with rubber seal 5 in pipeline 1 and two 2 hookup location departments of pipeline, thereby because natural gas line uses for a long time, the ageing sealing washer that leads to of material is out of order, consequently needs the sealing device that a sealing performance is good of design.
SUMMERY OF THE UTILITY MODEL
Problem to above-mentioned prior art exists, the utility model provides a heavy combustion engine low pressure natural gas inlet test tube swift sealing device to solve above-mentioned technical problem.
In order to realize the purpose, the utility model discloses a technical scheme is: a quick sealing device for a low-pressure natural gas inlet detection pipe of a heavy-duty combustion engine comprises a clamp part connected between a first pipeline and a second pipeline; a sealing taper sleeve is arranged on the inner side surface of the connecting position of the first pipeline and the second pipeline; two ends of the sealing taper sleeve are of tapered structures.
The sealing taper sleeve further comprises an upper taper sleeve, a lower taper sleeve and a butt joint surface arranged between the upper taper sleeve and the lower taper sleeve; the upper taper sleeve, the lower taper sleeve and the abutting surface are integrally formed.
Further the sealing taper sleeve is a 304 stainless steel piece.
Furthermore, the conical surface of the upper taper sleeve is tightly attached and fixed with the inner side surface of the first pipeline; the conical surface of the lower conical sleeve is fixedly attached to the inner side surface of the second pipeline; the abutting surface is located at a connecting gap between the first pipeline and the second pipeline.
The utility model has the advantages that: the mechanism is convenient to disassemble and convenient to shorten the maintenance time; the structure adopts the matching connection of the hoop and the sealing taper sleeve, the pipelines at two sides are compressed by the hoop, simultaneously, the conical surface of the sealing taper sleeve is contacted with the side wall of the pipeline to form sealing, the contact sealing of two end cones is used as surface or multi-line contact sealing, and the sealing performance is better than that of the prior flange connection; the sealing taper sleeve of the mechanism is a 304 stainless steel piece, so that the corrosion resistance is good, and meanwhile, the material cannot react with natural gas, and the mechanism is safe and reliable.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
fig. 2 is a schematic view of a connection structure of a flange sealing surface between a first pipeline and a second pipeline in the background art;
FIG. 3 is an enlarged view of the structure B of FIG. 2 in the prior art;
FIG. 4 is a schematic view of the present invention;
FIG. 5 is a schematic top view of the present invention;
fig. 6 isbase:Sub>A schematic view of the structurebase:Sub>A-base:Sub>A in the top view of the present invention;
FIG. 7 is an enlarged view of the structure B of FIG. 5 according to the present invention;
fig. 8 is a schematic view of the sealing taper sleeve structure of the present invention.
In the figure: 1. the pipe I, 2, the pipe II, 3, a bolt, 4, a nut, 5, a rubber sealing ring, 6, a sealing taper sleeve, 61, an upper taper sleeve, 62, a lower taper sleeve, 63, an abutting surface, 7 and a clamp piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
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, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 4-7, the quick sealing device for the low-pressure natural gas inlet detection pipe of the heavy-duty combustion engine comprises a hoop part 7 connected between a first pipeline 1 and a second pipeline 2; a sealing taper sleeve 6 is arranged on the inner side surface of the connecting position of the first pipeline 1 and the second pipeline 2; two ends of the sealing taper sleeve 6 are of tapered structures.
In the preferred embodiment, the sealing taper sleeve 6 includes an upper taper sleeve 61, a lower taper sleeve 62, and an abutting surface 63 disposed between the upper taper sleeve 61 and the lower taper sleeve 62; the upper taper sleeve 61, the lower taper sleeve 62 and the abutting surface 63 are integrally formed.
The preferred sealing cone 6 of this embodiment is 304 stainless steel.
In the embodiment, the conical surface of the upper conical sleeve 61 is preferably attached and fixed to the inner side surface of the first pipe 1; the conical surface of the lower taper sleeve 62 is fixedly attached to the inner side surface of the second pipeline 2; the abutting surface 63 is positioned at the connecting gap of the first pipeline 1 and the second pipeline 2.
The mechanism is convenient to disassemble, and the overhauling time is convenient to shorten; the structure adopts the matching connection of the hoop 7 and the sealing taper sleeve 6, the pipelines at two sides are compressed by the hoop 7, simultaneously, the conical surface of the sealing taper sleeve 6 is contacted with the side wall of the pipeline to form sealing, the contact sealing of two cones is used as surface or multi-line contact sealing, and the sealing performance is better than that of the prior flange connection sealing; the sealing taper sleeve 6 of the mechanism is a 304 stainless steel piece, so that the corrosion resistance is good, and meanwhile, the material cannot react with natural gas, and is safe and reliable.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (4)
1. A quick sealing device for a low-pressure natural gas inlet detection pipe of a heavy-duty combustion engine is characterized by comprising a hoop member (7) connected between a first pipeline (1) and a second pipeline (2); a sealing taper sleeve (6) is arranged on the inner side surface of the connecting position of the first pipeline (1) and the second pipeline (2); two ends of the sealing taper sleeve (6) are of tapered structures.
2. The quick sealing device for the low-pressure natural gas inlet detection pipe of the heavy-duty combustion engine according to claim 1, characterized in that the sealing taper sleeve (6) comprises an upper taper sleeve (61), a lower taper sleeve (62) and an abutting surface (63) arranged between the upper taper sleeve (61) and the lower taper sleeve (62); the upper taper sleeve (61), the lower taper sleeve (62) and the abutting surface (63) are integrally formed.
3. The quick sealing device for the low-pressure natural gas inlet detection pipe of the heavy-duty combustion engine as claimed in claim 1, wherein the sealing taper sleeve (6) is a 304 stainless steel piece.
4. The quick sealing device for the low-pressure natural gas inlet detection pipe of the heavy-duty combustion engine as claimed in claim 2, wherein the conical surface of the upper conical sleeve (61) is closely fixed with the inner side surface of the first pipe (1); the conical surface of the lower taper sleeve (62) is tightly attached and fixed with the inner side surface of the second pipeline (2); the abutting surface (63) is positioned at a connecting gap between the first pipeline (1) and the second pipeline (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222697422.1U CN218494419U (en) | 2022-10-13 | 2022-10-13 | Quick sealing device for low-pressure natural gas inlet detection pipe of heavy-duty combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222697422.1U CN218494419U (en) | 2022-10-13 | 2022-10-13 | Quick sealing device for low-pressure natural gas inlet detection pipe of heavy-duty combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218494419U true CN218494419U (en) | 2023-02-17 |
Family
ID=85194855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222697422.1U Active CN218494419U (en) | 2022-10-13 | 2022-10-13 | Quick sealing device for low-pressure natural gas inlet detection pipe of heavy-duty combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218494419U (en) |
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2022
- 2022-10-13 CN CN202222697422.1U patent/CN218494419U/en active Active
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