CN209979147U - Leakage detecting and sealing device for flared large pipe diameter - Google Patents
Leakage detecting and sealing device for flared large pipe diameter Download PDFInfo
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- CN209979147U CN209979147U CN201920963871.1U CN201920963871U CN209979147U CN 209979147 U CN209979147 U CN 209979147U CN 201920963871 U CN201920963871 U CN 201920963871U CN 209979147 U CN209979147 U CN 209979147U
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Abstract
The utility model discloses a big pipe diameter leak hunting sealing device of flaring. The detection tool fitting I and the detection tool fitting II are attached to the lower portion of the flaring pipe flaring section in an encircling mode, the detection tool fitting III is inserted into the flaring pipe flaring section and is attached to the inner wall of the flaring pipe tightly through a sealing ring to achieve a sealing effect, the detection tool fitting I, the detection tool fitting II and the detection tool fitting tee pass through a reserved hole in the fitting, and the detection tool fitting and the flaring pipe are locked through bolts and nuts. The utility model is suitable for an use the big pipe diameter heat exchanger product of flaring, removed the sealed process of mouth of pipe welding mounting piece among the leak hunting process from, no solder remains after the completion of leak hunting, and the user of being convenient for installs.
Description
Technical Field
The utility model relates to a big pipe diameter leak hunting sealing device of flaring is applicable to and uses the big pipe diameter heat exchanger product of flaring.
Background
The flared tube is a commonly used part in industrial engineering pipeline design, the outer diameter of the flared section of the flared tube is larger than that of the flaring section, an annular step is usually arranged between the flaring section and the flaring section, and the structure of the flared tube is shown in figure 1.
When a pipeline leaks, the port of the flared pipe is generally required to be sealed, and liquid injection and pressure application are carried out to detect the pipeline leakage condition; in the prior art, a seal cover is usually adopted to weld and seal the flared tube or the seal cover is adopted to extend into the flared tube to seal the flared tube, however, the welded seal can damage the flared tube, and the welding seam is easy to leak; the sealing of the sealing cover is not tight, and the sealing position is easy to leak.
Disclosure of Invention
The utility model aims at perfecting the defects of the prior art and providing a large-diameter leakage detecting and sealing device for flaring.
A flared large-pipe-diameter leak detection sealing device comprises a first gauge fitting, a second gauge fitting, a third gauge fitting and a bolt assembly;
the first detection tool accessory and the second detection tool accessory both comprise a semicircular arc surface section and two ear-shaped convex blocks symmetrically arranged at the left end and the right end of the semicircular arc surface section; the ear-shaped lug is provided with a connecting hole;
the upper surface of the ear-shaped lug of the second checking fixture fitting is flush with the upper surface of the semicircular cambered surface section; a distance A is arranged between the upper surface of the ear-shaped convex block of the first checking fixture accessory and the upper surface of the semicircular cambered surface section;
the semicircular arc surface sections of the first gauge fitting and the second gauge fitting are completely the same; after the first gauge part and the second gauge part are assembled, the two circular arc surface sections form a hollow cylinder; the connecting holes in the lug-shaped lugs of the first gauge accessory and the second gauge accessory are opposite to each other up and down;
the checking fixture accessory III comprises a cylindrical plug and a sealing cover connected to the cylindrical plug, and connecting holes are formed in two sides of the sealing cover; when the connecting hole on the checking fixture accessory III is assembled, the connecting hole is opposite to the upper and lower positions of the connecting hole on the checking fixture accessory I and the checking fixture accessory II; the bolt assembly comprises a bolt and a nut; the bolt penetrates through the connecting holes in the checking fixture part III, the checking fixture part II and the checking fixture part I and is locked through the nut.
Preferably, the distance A between the upper surface of the ear-shaped convex block of the first checking fixture part and the upper surface of the semicircular arc-shaped section is equal to the thickness of the ear-shaped convex block of the second checking fixture part.
Preferably, the ear-shaped lugs at the left end and the right end of the first detection tool accessory and the second detection tool accessory are arranged at the same height and have the same thickness.
Preferably, the cylindrical plug is provided with a plurality of annular sealing grooves, and the annular sealing grooves are sleeved with sealing rings.
Preferably, the inner diameter of a hollow cylinder formed by the first gauge fitting and the second gauge fitting is larger than or equal to the outer radius of the flaring pipe non-flaring section to be leaked and sealed and is smaller than the outer radius of the flaring pipe flaring section.
Preferably, the outer diameter of the cylindrical plug is equal to or slightly smaller than the inner diameter of the flaring section of the flaring tube.
The utility model discloses an examine a accessory one, examine the ear shape design of an accessory two and for upper and lower staggered arrangement, guarantee that two examine an accessory use noninterference. The third checking fixture part is provided with a sealing ring notch, so that the sealing ring is prevented from moving. Use the utility model discloses, the sealed process of mouth of pipe welding mounting has been removed from and the solder remains when getting rid of the mounting, leads to the bad trouble of customer department butt joint, has saved the cost of labor that the product mouth of pipe was handled, has promoted the pleasing to the eye degree of product.
Drawings
FIG. 1 is a schematic view of a flared tube;
fig. 2 is a schematic view of the leak detection sealing device for the flared large-diameter pipe of the present invention;
FIG. 3 is a schematic view of a first fixture fitting of the present invention;
FIG. 4 is a schematic view of a second fixture fitting of the present invention;
FIG. 5 is a schematic view of a third fixture fitting of the present invention;
in the figure, a first gauge part 1, a second gauge part 2, a third gauge part 3 and a flared tube 4 are arranged.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 2-5, a flared large-pipe-diameter leak detection sealing device comprises a first gauge fitting 1, a second gauge fitting 2, a third gauge fitting 3 and a bolt assembly;
the first detection tool accessory 1 and the second detection tool accessory 2 both comprise a semicircular arc surface section and two ear-shaped convex blocks symmetrically arranged at the left end and the right end of the semicircular arc surface section; the ear-shaped lug is provided with a connecting hole;
the upper surface of the ear-shaped lug of the gauge fitting II 2 is flush with the upper surface of the semicircular cambered surface section; a distance A is arranged between the upper surface of the ear-shaped convex block of the first checking fixture accessory 1 and the upper surface of the semicircular cambered surface section;
the semicircular arc surface sections of the first detection tool accessory 1 and the second detection tool accessory 2 are completely the same; after the first gauge part 1 and the second gauge part 2 are assembled, the two circular arc surface sections form a hollow cylinder; connecting holes in the ear-shaped lugs of the first gauge accessory 1 and the second gauge accessory 2 are opposite to each other up and down;
the checking fixture accessory III 3 comprises a cylindrical plug and a sealing cover connected to the cylindrical plug, and connecting holes are formed in two sides of the sealing cover; when the connecting hole on the checking fixture accessory III 3 is assembled, the upper position and the lower position of the connecting hole on the checking fixture accessory I1 and the connecting hole on the checking fixture accessory II 2 are opposite; the bolt assembly comprises a bolt and a nut; the bolt penetrates through the connecting holes in the checking fixture part III 3, the checking fixture part II 2 and the checking fixture part I1 and is locked through the nut.
In order to clearly show the corresponding relationship of the three gauge parts in fig. 2, a bolt assembly is not shown in fig. 2, the installation of the bolt assembly is common knowledge in the art, and how to install the bolt is described in the embodiment, so that the illustration is omitted in the drawings. In an embodiment of the present invention, the distance a between the upper surface of the ear-shaped protrusion of the first gauge part 1 and the upper surface of the semicircular arc-shaped section is equal to the thickness of the ear-shaped protrusion of the second gauge part 2.
In an embodiment of the present invention, the ear-shaped protrusions at the left and right ends of the first gauge part 1 and the second gauge part 2 are arranged at the same height and have the same thickness.
In an embodiment of the present invention, the cylindrical plug is provided with a plurality of annular sealing grooves, and the annular sealing grooves are sleeved with the sealing rings.
In a specific embodiment of the utility model, examine hollow cylinder's that utensil accessory one 1 and examine that utensil accessory two 2 constitute internal diameter more than or equal to treat the sealed flared tube 4 of leak hunting not flared section external radius and be less than flared tube 4 flared section external radius.
In a specific embodiment of the present invention, the outer diameter of the cylindrical plug is equal to or slightly smaller than the inner diameter of the flared section of the flared tube 4.
The utility model discloses when the assembly, examine a accessory one and examine two wainscots of accessory and encircle in the annular ladder department of flaring pipe flaring section lower part, examine that an accessory three inserts inside the flaring pipe flaring section, paste tight flaring intraductal wall through the sealing washer and make it to sealed effect, examine an accessory one, examine an accessory two, examine the preformed hole on the accessory is crossed to accessory tee bend, use bolt, nut, guarantee to examine an accessory one, examine an accessory two, examine an accessory three and flare pipe locking. The ear shapes of the first gauge part and the second gauge part are designed to be staggered up and down, so that the two gauge parts are guaranteed not to interfere with each other when in use. The third checking fixture part is provided with a sealing ring notch, so that the sealing ring is prevented from moving.
Claims (6)
1. A flared large-pipe-diameter leak detection sealing device is characterized by comprising a first gauge fitting (1), a second gauge fitting (2), a third gauge fitting (3) and a bolt assembly;
the checking fixture part I (1) and the checking fixture part II (2) respectively comprise a semicircular arc surface section and two ear-shaped convex blocks symmetrically arranged at the left end and the right end of the semicircular arc surface section; the ear-shaped lug is provided with a connecting hole;
the upper surface of the ear-shaped lug of the gauge fitting II (2) is flush with the upper surface of the semicircular cambered surface section; a distance A is arranged between the upper surface of the ear-shaped convex block of the first gauge fitting (1) and the upper surface of the semicircular arc surface section;
the semicircular arc surface sections of the first gauge part (1) and the second gauge part (2) are completely the same; after the first gauge part (1) and the second gauge part (2) are assembled, the two circular arc surface sections form a hollow cylinder; connecting holes in the ear-shaped lugs of the first detection tool accessory (1) and the second detection tool accessory (2) are opposite to each other up and down;
the checking fixture accessory III (3) comprises a cylindrical plug and a sealing cover connected to the cylindrical plug, and connecting holes are formed in two sides of the sealing cover; when the connecting hole on the checking tool accessory III (3) is assembled, the upper position and the lower position of the connecting hole on the checking tool accessory I (1) and the connecting hole on the checking tool accessory II (2) are opposite; the bolt assembly comprises a bolt and a nut; the bolt penetrates through the connecting holes in the checking tool fitting III (3), the checking tool fitting II (2) and the checking tool fitting I (1) and is locked through the nut.
2. The flared large-diameter leak detection sealing device according to claim 1, wherein a distance a between an upper surface of the ear-shaped projection of the first gauge fitting (1) and an upper surface of the semicircular arc-shaped section is equal to a thickness of the ear-shaped projection of the second gauge fitting (2).
3. The flared large-diameter leakage detection sealing device according to claim 1, wherein the ear-shaped projections at the left and right ends of the first gauge fitting (1) and the second gauge fitting (2) are arranged at the same height and have the same thickness.
4. The flared large-diameter leakage detecting sealing device according to claim 1, wherein a plurality of annular sealing grooves are formed in the cylindrical plug, and sealing rings are sleeved on the annular sealing grooves.
5. The flared large-diameter leak detection sealing device according to claim 1, wherein the inner diameter of a hollow cylinder consisting of the first detection tool fitting (1) and the second detection tool fitting (2) is greater than or equal to the outer circle radius of an un-flared section of the flared tube (4) to be leak-detected and sealed and is smaller than the outer circle radius of the flared section of the flared tube (4).
6. The flared large-diameter leak detection sealing device according to claim 1, wherein the outer diameter of the cylindrical plug is equal to or slightly smaller than the inner diameter of the flared section of the flared tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920963871.1U CN209979147U (en) | 2019-06-25 | 2019-06-25 | Leakage detecting and sealing device for flared large pipe diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920963871.1U CN209979147U (en) | 2019-06-25 | 2019-06-25 | Leakage detecting and sealing device for flared large pipe diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979147U true CN209979147U (en) | 2020-01-21 |
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ID=69266694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920963871.1U Active CN209979147U (en) | 2019-06-25 | 2019-06-25 | Leakage detecting and sealing device for flared large pipe diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209979147U (en) |
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2019
- 2019-06-25 CN CN201920963871.1U patent/CN209979147U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Leakage detection and sealing device for flared large pipe diameter Effective date of registration: 20220613 Granted publication date: 20200121 Pledgee: Zhuji Branch of Industrial and Commercial Bank of China Ltd. Pledgor: ZHEJIANG SUNCO HEAT EXCHANGE SYSTEM Co.,Ltd. Registration number: Y2022980007527 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |