CN213236407U - Metal hose with anti-scouring bush - Google Patents
Metal hose with anti-scouring bush Download PDFInfo
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- CN213236407U CN213236407U CN202022103888.5U CN202022103888U CN213236407U CN 213236407 U CN213236407 U CN 213236407U CN 202022103888 U CN202022103888 U CN 202022103888U CN 213236407 U CN213236407 U CN 213236407U
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Abstract
The utility model discloses a metal collapsible tube with scour protection bush belongs to metal collapsible tube technical field. Including the scour prevention bush, the cover has corrugated metal pipe on the scour prevention bush, the corrugated metal pipe both ends scour prevention bush outside is connected with the metal nipple joint through the end links, is connected with the flange butt on the end of one of them metal nipple joint, is connected with the small flange on the end of another metal nipple joint, the cooperation is provided with the loose flange on the small flange, the cover has the metal net cover on the corrugated metal pipe, the metal net cover both ends are connected on the metal nipple joint through the clamp ring that compresses tightly on it, the sealing washer is equipped with between scour prevention bush and the metal nipple joint. The utility model discloses when solving stack load and acting on the pipeline, protect the metal collapsible tube internal surface to prolong its life, convenient to popularize and use.
Description
Technical Field
The utility model relates to a metal collapsible tube technical field, concretely relates to metal collapsible tube with scour prevention bush.
Background
In the natural gas transportation and petrochemical industry, a large number of large and small-caliber pipe fittings are used, the pipe fittings are very easily influenced by alternating load due to vibration and expansion in the working process of the pipelines, wherein the pipe fitting connecting part belongs to a thin and soft link in the whole pipeline arrangement, and microcracks and other phenomena are easily generated due to the influence of the alternating load for a long time, so that potential threats exist to safety production in the industry, when the metal hose is used, the axial expansion amount and the radial offset of the pipeline are well compensated, the damping effect is also realized, the damage of superposed load is reduced, the potential threats are reduced to a great extent, but when the metal hose is used, the service life of the metal hose is seriously influenced by the corrosion and the scouring of fluid in the pipeline to the inner wall of the metal hose, so that the metal hose fails before the quality guarantee period is reached, and measures are required to be taken to protect the inner surface of the, so as to achieve the purpose of prolonging the service life.
In view of the above, there is a need for a metal hose with an anti-erosion bushing to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a metal collapsible tube with scour protection bush, when solving the stack load and acting on the pipeline, protect metal collapsible tube internal surface to prolong its life.
The utility model adopts the technical scheme as follows:
a kind of metal hose with scour protection bush, characterized by: including scour protection bush 6, the cover has corrugated metal pipe 8 on the scour protection bush 6, the 6 outsides of corrugated metal pipe 8 both ends scour protection bush are connected with metal nipple joint 3 through end ring 7, are connected with flange butt 10 on the end of one of them metal nipple joint 3, are connected with small flange 1 on the end of another metal nipple joint 3, the cooperation is provided with loose flange 2 on the small flange 1, the cover has metal net cover 9 on the corrugated metal pipe 8, the tight collar 5 of compaction on it is connected on metal nipple joint 3 at metal net cover 9 both ends, be equipped with sealing washer 4 between scour protection bush 6 and the metal nipple joint 3. The sealing ring 4 plays a role in preventing a medium in the pipeline from flowing back to a gap between the anti-scouring bushing 6 and the metal nipple 3.
And the metal short section 3 and the small flange 1 and the metal short section 3 and the welding neck flange 10 are welded through Y-shaped welding seams.
The metal short joint 3 and the metal corrugated pipe 8 are welded together through an end ring 7.
And the compression collar 5 is welded on the outer wall of the metal nipple 3 through a triangular welding seam.
The metal net sleeve 9 is made by stainless steel wire coiling.
The scour prevention bush 6 is connected with the welding neck flange 10 through welding.
The anti-scouring bush 6 is connected with the welding neck flange 10 through a connecting bolt 11, and a sealing element 13 is arranged between the anti-scouring bush 6 and the welding neck flange 10.
An extension baffle ring is integrally formed on the end head of the anti-scouring bush 6 on one side of the welding neck flange 10, the extension baffle ring is tightly attached to the sealing surface of the welding neck flange 10, and a sealing gasket 12 is arranged between the extension baffle ring and the sealing surface of the welding neck flange 10.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a technical improvement has optimized current metal collapsible tube structure, has reached the effect of protection metal collapsible tube inner wall at metal collapsible tube internal design scour prevention bush, makes its life prolong to some extent.
2. The utility model discloses well anti-scouring bush of design, its one end and welding neck flange mouth fixed connection reach fixed purpose, and the other end passes through the sealing washer with metal nipple joint inner wall and seals, reaches the purpose that prevents that the medium from getting into bellows and bush clearance.
3. The utility model discloses well anti-scouring bush of design has an amount of clearance with the design between the bellows inner wall, and its one end is fixed, and one end is free, has reached the effect of contracting the skew simultaneously with the bellows.
4. The utility model discloses well anti-scouring bush of design according to service condition's difference, provides different bush and welding neck flange's connected mode to reach metal collapsible tube's better utilization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial enlarged view of fig. 1 at a.
Fig. 3 is a partial enlarged view of fig. 1 at B.
Fig. 4 is a partial enlarged view of fig. 1 at C.
Fig. 5 is a schematic structural view of an anti-erosion bush according to embodiment 2 of the present invention.
Fig. 6 is a schematic structural view of an anti-erosion bush in embodiment 3 of the present invention.
The labels in the figure are: 1-a small flange; 2-loose flange; 3-a metal nipple; 4-sealing ring; 5, pressing the beam ring; 6-anti-scouring bush; 7-an end ring; 8-a metal bellows; 9-metal mesh sleeve; 10-welding a flange; 11-connecting bolts; 12-a sealing gasket; 13-sealing member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Example 1:
the utility model provides a metal collapsible tube with scour prevention bush, as figure 1 to 2, includes scour prevention bush 6, the cover has corrugated metal pipe 8 on the scour prevention bush 6, corrugated metal pipe 8 both ends scour prevention bush 6 outside is connected with metal nipple joint 3 through end ring 7, is connected with flange butt 10 on the end of one of them metal nipple joint 3, is connected with flange 1 on the end of another metal nipple joint 3, the cooperation is provided with loose flange 2 on flange 1, the cover has metal mesh cover 9 on the corrugated metal pipe 8, metal mesh cover 9 both ends are connected on metal nipple joint 3 through the compact collar 5 above that, sealing washer 4 is equipped with between scour prevention bush 6 and the metal nipple joint 3.
And the metal short section 3 and the small flange 1 and the metal short section 3 and the welding neck flange 10 are welded through Y-shaped welding seams.
The metal short joint 3 and the metal corrugated pipe 8 are welded together through an end ring 7.
And the compression collar 5 is welded on the outer wall of the metal nipple 3 through a triangular welding seam.
The metal net sleeve 9 is made by stainless steel wire coiling.
The scour prevention bush 6 is connected with the welding neck flange 10 through welding. The anti-scouring bush 6 is fixed through one end, and the other end is sealed, so that the effects of preventing scouring and not influencing the expansion and the deviation of the metal hose are achieved.
Example 2:
as shown in fig. 3 and 5, in example 1, the erosion prevention bush 6 and the welding neck flange 10 are connected by the connecting bolt 11, and the seal member 13 is provided between the erosion prevention bush 6 and the welding neck flange 10. The purpose that one end of the anti-scouring bush 6 is fixed on the welding neck flange 10 is achieved through bolt connection, and meanwhile, the anti-scouring bush is convenient to detach and replace according to use requirements. Through the technology that one end is fixed and the other end is sealed, the effects of preventing scouring and not influencing the expansion and the deviation of the metal hose are achieved.
Example 3:
as shown in fig. 4 and 6, in embodiment 1, an extension baffle ring is integrally formed on the end of the anti-erosion bush 6 on one side of the welding neck flange 10, the extension baffle ring is tightly attached to the sealing surface of the welding neck flange 10, and a sealing gasket 12 is arranged between the extension baffle ring and the sealing surface of the welding neck flange 10. The fixed purpose of scour protection bush one end can be reached after the whole assembly is accomplished, also conveniently tear open simultaneously and trade according to the operation requirement, and is fixed through scour protection bush one end, and the effect that metal collapsible tube is flexible and squint is not influenced again in the scour protection through the sealed technique of one end.
The foregoing is only the preferred embodiment of the present invention.
Claims (8)
1. A kind of metal hose with scour protection bush, characterized by: including scour protection bush (6), the cover has corrugated metal pipe (8) on scour protection bush (6), corrugated metal pipe (8) both ends scour protection bush (6) outside is connected with metal nipple joint (3) through end ring (7), is connected with on the end of one of them metal nipple joint (3) welding flange (10), is connected with small flange (1) on the end of another metal nipple joint (3), the cooperation is provided with loose flange (2) on small flange (1), the cover has metal mesh cover (9) on corrugated metal pipe (8), metal mesh cover (9) both ends are connected on metal nipple joint (3) through compact collar (5) above that, sealing washer (4) are equipped with between scour protection bush (6) and metal nipple joint (3).
2. A metal hose with an anti-erosion bush according to claim 1, characterized in that: and the metal short section (3) and the small flange (1) and the metal short section (3) and the welding flange (10) are welded through Y-shaped welding seams.
3. A metal hose with an anti-erosion bush according to claim 1, characterized in that: the metal short joint (3) and the metal corrugated pipe (8) are welded together through an end ring (7).
4. A metal hose with an anti-erosion bush according to claim 1, characterized in that: and the compression collar (5) is welded on the outer wall of the metal short section (3) through a triangular welding seam.
5. A metal hose with an anti-erosion bush according to claim 1, characterized in that: the metal net sleeve (9) is made by stainless steel wire coiling.
6. A metal hose with an anti-erosion bush according to claim 1, characterized in that: the scour prevention bush (6) is connected with the welding neck flange (10) through welding.
7. A metal hose with an anti-erosion bush according to claim 1, characterized in that: the anti-scouring bush (6) is connected with the welding neck flange (10) through a connecting bolt (11), and a sealing element (13) is arranged between the anti-scouring bush (6) and the welding neck flange (10).
8. A metal hose with an anti-erosion bush according to claim 1, characterized in that: the anti-scouring bushing (6) is integrally formed with an extension baffle ring on the end on one side of the welding neck flange (10), the extension baffle ring is tightly attached to the sealing surface of the welding neck flange (10), and a sealing gasket (12) is arranged between the extension baffle ring and the sealing surface of the welding neck flange (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022103888.5U CN213236407U (en) | 2020-09-23 | 2020-09-23 | Metal hose with anti-scouring bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022103888.5U CN213236407U (en) | 2020-09-23 | 2020-09-23 | Metal hose with anti-scouring bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213236407U true CN213236407U (en) | 2021-05-18 |
Family
ID=75875782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022103888.5U Active CN213236407U (en) | 2020-09-23 | 2020-09-23 | Metal hose with anti-scouring bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213236407U (en) |
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2020
- 2020-09-23 CN CN202022103888.5U patent/CN213236407U/en active Active
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