CN219413905U - Self-fluxing welded metal hose - Google Patents
Self-fluxing welded metal hose Download PDFInfo
- Publication number
- CN219413905U CN219413905U CN202320553633.XU CN202320553633U CN219413905U CN 219413905 U CN219413905 U CN 219413905U CN 202320553633 U CN202320553633 U CN 202320553633U CN 219413905 U CN219413905 U CN 219413905U
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- metal
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- welding
- connecting pipe
- welded
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Abstract
A self-fluxing welded metal hose belongs to a pressure container, a connecting pipe is arranged at a seam allowance of a protecting ring, and the outer edge of the end head of the protecting ring is welded with the connecting pipe to form a first welding seam; the connecting pipe assembly is welded with two ends of the metal corrugated hose to form a second welding seam, the metal mesh sleeve is sleeved outside the metal corrugated hose and the guard ring, the mesh pressing ring is sleeved outside the metal mesh sleeve and the guard ring, the outer edges of the mesh pressing ring and the metal mesh sleeve are flush, the outer edges of the mesh pressing ring and the metal mesh sleeve are positioned between the first welding seam and the second welding seam, and the mesh pressing ring, the metal mesh sleeve and the guard ring are welded with each other to form a third welding seam. The utility model has the advantages that: 1, three welding lines are all spaced at a certain distance, so that the metal corrugated hose is prevented from bearing multiple welding thermal deformations, and the service life is prolonged; 2, the connecting pipe is replaced by a flange structure, a chuck structure, a clamping sleeve and other connection modes according to actual needs, 3, inert gas can be introduced to protect welding seams during welding, oxidation paste printing is avoided in an inner cavity of a product, and excessive production can be avoided due to the fact that polishing oxidation paste printing is not needed.
Description
Technical Field
The utility model relates to the field of pressure vessels, in particular to a self-fluxing welded metal hose.
Background
The metal hose is used in the fields of food and medical treatment, and the conveying medium is food raw materials or medicine raw materials. In the use process, one end of the metal hose is fixed, and the other end of the metal hose needs to bear reciprocating motions of different degrees. The conventional metal hose is formed by welding a metal corrugated hose, a metal net sleeve and a net pressing ring, then welding the net pressing ring and a connecting pipe, and overlapping the welding of the metal corrugated hose, the metal net sleeve and the net pressing ring with the welding of the net pressing ring and the connecting pipe, wherein the structure has no problem for a hose used in a static state, but has the following defects for the hose used in a moving state: first, the girth weld of the connecting pipe and the hose body assembly welding is repeated stitch welding, and the welding process leads to the need of bearing the thermal deformation of the hose end part for two times, has great thermal influence on the hose, leads to the unstable welding quality and too low fatigue frequency. Secondly, the welding seam is positioned on the end face of the metal corrugated hose, inert gas protection cannot be carried out during welding, so that oxidation paste printing is generated, and excessive matters such as powder can be caused to enter the inner cavity of the metal corrugated hose in the process of polishing and removing the oxidation paste printing, so that the cleanliness of a product is affected.
Disclosure of Invention
The utility model aims to overcome the defects and provide the self-fluxing welding metal hose with stable welding seam quality, longer service life and better cleanliness.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a self-fluxing welded metal collapsible tube, includes metal corrugated hose, metal mesh cover, presses net ring and takeover, its characterized in that: the welding device comprises a protective ring, a connecting pipe and a welding rod, wherein the protective ring is internally provided with a spigot, the connecting pipe is arranged at the spigot of the protective ring, the outer edge of the end head of the protective ring and the outer wall of the connecting pipe are welded to form a connecting pipe assembly, and a first welding seam is formed; the connecting pipe assembly is welded with two ends of the metal corrugated hose to form a second welding seam, the metal mesh sleeve is sleeved on the outer side of the metal corrugated hose and the outer side of the guard ring, the mesh pressing ring is sleeved on the outer side of the metal mesh sleeve and the outer side of the guard ring, the mesh pressing ring is flush with the outer edge of the metal mesh sleeve, the outer edges of the mesh pressing ring and the metal mesh sleeve are positioned between the first welding seam and the second welding seam, and the mesh pressing ring, the metal mesh sleeve and the guard ring are welded with each other to form a third welding seam.
Compared with the prior art, the utility model has the advantages that:
1. the first welding seam is positioned at the outer end of the guard ring and is separated from the metal corrugated hose by a certain distance; the inner end of the guard ring is welded with the metal corrugated hose through a second welding line; the third welding seam is positioned at the outer side of the guard ring and is separated from the metal corrugated hose by a certain distance, and the three welding seams are all separated by a certain distance, so that the secondary thermal deformation of the metal corrugated hose caused by repeated welding can be avoided, and the service life is prolonged by 20% -40%.
2. The connecting pipe is welded at the outer edge of the end head of the retaining ring, the connecting pipe assembly is assembled, and the connecting pipe assembly can be replaced by a flange structure, a chuck structure, a clamping sleeve and other connection modes according to actual needs.
3. The inner cavity can be protected by inert gas when the connecting pipe assembly is welded with the two ends of the metal corrugated hose, so that the generation of welding paste printing is avoided.
4. Since polishing oxidation paste printing is not required, generation of surplus can be avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic view of a first weld of a metal hose of the present utility model.
FIG. 3 is a schematic view of a second weld of the metal hose of the present utility model.
Fig. 4 is a schematic view of a third weld of the metal hose of the present utility model.
The reference numerals in the drawings denote:
the welding device comprises a connecting pipe 1, a protecting ring 2, a net pressing ring 3, a metal corrugated hose 4, a metal net sleeve 5, a first welding line 6, a second welding line 7 and a third welding line 8.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples.
The self-fluxing welded metal hose comprises a metal corrugated hose 4, a metal net sleeve 5, a net pressing ring 3, a connecting pipe 1 and a protecting ring 2, wherein a spigot is arranged in the protecting ring 2, the connecting pipe 1 is arranged at the spigot of the protecting ring 2, and the outer edge of the end head of the protecting ring 2 and the outer wall of the connecting pipe 1 are welded to form a connecting pipe assembly to form a first welding seam 6; the connecting pipe assembly is welded with two ends of the metal corrugated hose 4 to form a second welding seam 7, the metal mesh sleeve 5 is sleeved on the outer side of the metal corrugated hose 4 and the protecting ring 2, the metal mesh sleeve 5 is longer than the metal corrugated hose 4 by a certain length and covers a part of the length of the protecting ring 2, the pressing mesh ring 3 is sleeved on the outer side of the metal mesh sleeve 5 and the protecting ring 2, the pressing mesh ring 3 is flush with the outer edge of the metal mesh sleeve 5, the outer edges of the pressing mesh ring 3 and the metal mesh sleeve 5 are positioned between the first welding seam 6 and the second welding seam 7, and the pressing mesh ring 3, the metal mesh sleeve 5 and the protecting ring 2 are welded with each other to form a third welding seam 8.
Argon protection is used inside and outside the metal corrugated hose in the welding process, the first welding seam 6 is positioned at one end of the connecting pipe 1 and the protecting ring 2, the connecting pipe 1 and the protecting ring 2 are connected into a whole, the second welding seam 7 is positioned at the other end of the protecting ring 2, the connecting pipe assembly formed by the protecting ring 2 and the groove connecting pipe 1 is welded with the metal corrugated hose 4, the third welding seam 8 is positioned in the middle of the protecting ring 2, the net pressing ring 2, the metal net sleeve 4 and the protecting ring 2 are welded into a whole, the first welding seam 6, the second welding seam 7 and the third welding seam 8 are positioned at different positions, are respectively separated by a certain distance, and the repeated welding is avoided.
The connecting pipe 1 and the protecting ring 2 are welded at the outer edge of the end head of the protecting ring 2 to form a connecting pipe assembly, and the connecting pipe assembly can be replaced by a flange structure, a chuck structure, a clamping sleeve and other connection modes according to actual needs.
When the connecting pipe assembly is welded with the two ends of the metal corrugated hose 4, inert gas can be used for protecting the inner cavity, so that the generation of welding paste printing is avoided. The generation of redundancy can be avoided since polishing oxidation paste printing is not required.
The test of the metal hose joint of the application and the prior art is compared with the following table:
although the utility model has been described and illustrated with particular reference to the above embodiments, it is not intended to be limited thereto. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims (1)
1. The utility model provides a self-fluxing welded metal collapsible tube, includes metal corrugated hose, metal mesh cover, presses net ring and takeover, its characterized in that: the welding device comprises a protective ring, a connecting pipe and a welding rod, wherein the protective ring is internally provided with a spigot, the connecting pipe is arranged at the spigot of the protective ring, the outer edge of the end head of the protective ring and the outer wall of the connecting pipe are welded to form a connecting pipe assembly, and a first welding seam is formed; the connecting pipe assembly is welded with two ends of the metal corrugated hose to form a second welding seam, the metal mesh sleeve is sleeved on the outer side of the metal corrugated hose and the outer side of the guard ring, the mesh pressing ring is sleeved on the outer side of the metal mesh sleeve and the outer side of the guard ring, the mesh pressing ring is flush with the outer edge of the metal mesh sleeve, the outer edges of the mesh pressing ring and the metal mesh sleeve are positioned between the first welding seam and the second welding seam, and the mesh pressing ring, the metal mesh sleeve and the guard ring are welded with each other to form a third welding seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320553633.XU CN219413905U (en) | 2023-03-21 | 2023-03-21 | Self-fluxing welded metal hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320553633.XU CN219413905U (en) | 2023-03-21 | 2023-03-21 | Self-fluxing welded metal hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413905U true CN219413905U (en) | 2023-07-25 |
Family
ID=87210268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320553633.XU Active CN219413905U (en) | 2023-03-21 | 2023-03-21 | Self-fluxing welded metal hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413905U (en) |
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2023
- 2023-03-21 CN CN202320553633.XU patent/CN219413905U/en active Active
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