CN216078855U - Heat-insulating cold-drawn seamless steel tube - Google Patents
Heat-insulating cold-drawn seamless steel tube Download PDFInfo
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- CN216078855U CN216078855U CN202122343446.2U CN202122343446U CN216078855U CN 216078855 U CN216078855 U CN 216078855U CN 202122343446 U CN202122343446 U CN 202122343446U CN 216078855 U CN216078855 U CN 216078855U
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Abstract
The utility model provides a cold-drawn seamless steel tube with heat insulation and heat preservation, which comprises: the heat insulation pipe sleeve is positioned on the outer side of the inner heat insulation pipe sleeve, the front end and the rear end of the heat insulation pipe sleeve are connected with fixing blocks, and the middle parts of the fixing blocks are fixed with clamping strips; the inner heat-insulating pipe sleeve is positioned outside the cold-drawn seamless steel pipe body, and the inner heat-insulating pipe sleeve consists of a first heat-insulating layer and a second heat-insulating layer; and the flexible supporting structure is positioned inside the heat insulation pipe sleeve and fixed in the cavity, and an outer metal shell is bonded at the lower end of the flexible supporting structure. The utility model solves the problems that the cold-drawn seamless steel pipe is thin in pipe diameter, and the heat-insulating pipe sleeve on the market provides excellent heat insulation for the cold-drawn seamless steel pipe with longer length, so that the heat insulation performance of the cold-drawn seamless steel pipe is influenced.
Description
Technical Field
The utility model relates to the field of seamless steel pipes, in particular to a cold-drawn seamless steel pipe with heat insulation and heat preservation.
Background
The cold-drawing precision seamless steel tube is a precision cold-drawing seamless tube which is used for mechanical structures and hydraulic equipment and has high dimensional precision and good surface finish, but the tube diameter of the cold-drawing seamless steel tube is thinner, and a heat preservation tube sleeve on the market provides excellent heat preservation for the cold-drawing seamless steel tube with longer length, thereby influencing the heat insulation performance of the cold-drawing seamless steel tube.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a heat-insulating cold-drawing seamless steel tube is provided so as to solve the problems that the cold-drawing seamless steel tube is thin in tube diameter, and a heat-insulating tube sleeve on the market provides excellent heat insulation for a long cold-drawing seamless steel tube, so that the heat-insulating property of the cold-drawing seamless steel tube is influenced.
In order to achieve the above object, there is provided a heat-insulating cold-drawn seamless steel tube, comprising:
the heat insulation pipe sleeve is positioned on the outer side of the inner heat insulation pipe sleeve, the front end and the rear end of the heat insulation pipe sleeve are connected with fixing blocks, and the middle parts of the fixing blocks are fixed with clamping strips;
the inner heat-insulating pipe sleeve is positioned outside the cold-drawn seamless steel pipe body, and the inner heat-insulating pipe sleeve consists of a first heat-insulating layer and a second heat-insulating layer;
and the flexible supporting structure is positioned inside the heat insulation pipe sleeve and fixed in the cavity, and an outer metal shell is bonded at the lower end of the flexible supporting structure.
Further, the inner heat-preservation pipe sleeve is bonded with the cold-drawn seamless steel pipe body through a protective film, and a first heat-preservation layer is bonded at the lower end of the protective film; and the first heat-insulating layer is made of ceramic particle heat-insulating material.
Furthermore, a second heat-insulating layer is bonded at the lower end of the first heat-insulating layer; and the second heat preservation layer is like moulding insulation material, the second heat preservation layer lower extreme coating has the waterproof layer, the waterproof layer is laminated with the heat preservation rock wool layer of thermal-insulated pipe box internal surface mutually.
Furthermore, a first heat insulation fiber layer is bonded at the lower end of the heat preservation rock wool layer, an aerogel felt layer is bonded at the lower end of the first heat insulation fiber layer, and a second heat insulation fiber layer is bonded at the lower end of the aerogel felt layer.
Furthermore, a support column is arranged inside the cavity; and compression springs are arranged inside the supporting columns, the upper ends and the lower ends of the supporting columns are fixedly provided with connecting plate surfaces, and outer arc-shaped blocks and inner arc-shaped blocks are fixed on the side surfaces of the supporting columns.
Furthermore, the upper end of the clamping strip is provided with a fastening end, a bolt assembly is fixed inside the fastening end, and the heat insulation pipe sleeve is fixed with the inner heat insulation pipe sleeve through a fixing block.
The heat-insulation and heat-preservation cold-drawn seamless steel pipe has the beneficial effects that the inner heat-insulation pipe sleeve is bonded on the surface of the cold-drawn seamless steel pipe, so that the cold-drawn seamless steel pipe is conveniently preserved heat through the first heat-insulation layer and the second heat-insulation layer, the heat-insulation performance of the cold-drawn seamless steel pipe is improved, the heat-insulation pipe sleeve is fixed outside the inner heat-insulation pipe through the fixing block, the inner heat-insulation pipe sleeve is insulated through the first heat-insulation fiber layer, the aerogel felt layer and the second heat-insulation fiber layer, the cold-drawn seamless steel pipe has excellent heat-insulation and heat-preservation effects, the flexible supporting structure supports the heat-insulation pipe sleeve through the supporting columns, the inner arc-shaped blocks and the outer arc-shaped blocks, the heat-insulation pipe sleeve is prevented from being damaged by external impact, and the heat-insulation and heat preservation materials inside the inner heat-insulation pipe sleeve are prevented, and the problem that the heat-insulation and heat preservation performance of the cold-drawn seamless steel pipe is influenced is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of a cold-drawn seamless steel tube for heat insulation and preservation according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a heat-insulating cold-drawn seamless steel tube according to an embodiment of the present invention.
Fig. 3 is a schematic view of the internal structure of the internal thermal insulation pipe sleeve according to the embodiment of the present invention.
Fig. 4 is a schematic view of the internal structure of the heat insulating pipe sleeve according to the embodiment of the present invention.
1. A heat insulating pipe sleeve; 11. a heat-insulating rock wool layer; 12. a first insulating fiber layer; 13. an aerogel blanket; 14. a second insulating fiber layer; 15. a cavity; 16. an outer metal housing; 2. a fixed block; 21. a clamping strip; 22. a fastening end; 23. a bolt assembly; 3. an inner heat-insulating pipe sleeve; 31. a protective film; 32. a first insulating layer; 33. a second insulating layer; 34. a waterproof layer; 4. cold-drawing the seamless steel tube body; 5. a flexible support structure; 51. connecting the board surfaces; 52. a support pillar; 53. a compression spring; 54. an inner arc-shaped block; 55. an outer arc block.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a schematic view of the overall structure of a heat-insulating and heat-preserving cold-drawn seamless steel tube according to an embodiment of the present invention, fig. 2 is a schematic view of a front structure of a heat-insulating and heat-preserving cold-drawn seamless steel tube according to an embodiment of the present invention, fig. 3 is a schematic view of the internal structure of an internal heat-insulating tube sleeve according to an embodiment of the present invention, and fig. 4 is a schematic view of the internal structure of a heat-insulating tube sleeve according to an embodiment of the present invention.
Referring to fig. 1 to 4, the present invention provides a heat-insulated and heat-preserved cold-drawn seamless steel pipe, comprising: a heat insulation pipe sleeve 1, an inner heat insulation pipe sleeve 3 and a flexible supporting structure 5.
The heat insulation pipe sleeve 1 is positioned on the outer side of the inner heat insulation pipe sleeve 3, the front end and the rear end of the heat insulation pipe sleeve 1 are connected with fixing blocks 2, and the middle parts of the fixing blocks 2 are fixed with clamping strips 21.
The inner heat-insulating pipe sleeve 3 is positioned outside the cold-drawing seamless steel pipe body 4, and the inner heat-insulating pipe sleeve 3 is internally composed of a first heat-insulating layer 32 and a second heat-insulating layer 33.
And the flexible supporting structure 5 is positioned inside the heat insulation pipe sleeve 1, the flexible supporting structure 5 is fixed in the cavity 15, and the lower end of the flexible supporting structure 5 is bonded with an outer metal shell 16.
The pipe diameter of the cold-drawing seamless steel pipe is thin, and the heat preservation pipe sleeve on the market provides excellent heat preservation for the cold-drawing seamless steel pipe with a long length, so that the heat insulation performance of the cold-drawing seamless steel pipe is influenced. Therefore, the heat-insulating cold-drawn seamless steel pipe is adhered to the surface of the cold-drawn seamless steel pipe by the inner heat-insulating pipe sleeve, so that the heat insulation of the cold-drawn seamless steel pipe is facilitated through the first heat-insulating layer and the second heat-insulating layer, the heat-insulating performance of the cold-drawn seamless steel pipe is improved, the heat-insulating pipe sleeve is fixed outside the inner heat-insulating pipe through the fixing block, the heat insulation of the inner heat-insulating pipe sleeve is facilitated through the first heat-insulating fiber layer, the aerogel felt layer and the second heat-insulating fiber layer, the cold-drawn seamless steel pipe has an excellent heat-insulating effect, the flexible supporting structure supports the heat-insulating pipe sleeve through the supporting columns, the inner arc-shaped blocks and the outer arc-shaped blocks, the heat-insulating pipe sleeve is prevented from being damaged by external impact, and the problem that the heat insulation performance of the cold-drawn seamless steel pipe is influenced is solved.
The inner heat-preservation pipe sleeve 3 is bonded with the cold-drawn seamless steel pipe body 4 through a protective film 31, and a first heat-preservation layer 32 is bonded at the lower end of the protective film 31; and the first heat preservation layer 32 is made of ceramic particle heat preservation materials.
The protective film 31 has wear resistance and corrosion resistance, and protects the first heat-insulating layer 32 inside the inner heat-insulating pipe sleeve 3. The ceramic particle heat-insulating material keeps the temperature of the surface of the cold-drawing seamless steel tube body 4, so that the temperature loss of the gas introduced into the cold-drawing seamless steel tube body 4 is prevented.
A second insulating layer 33 is bonded at the lower end of the first insulating layer 32; and the second heat preservation layer 33 is like moulding insulation material, and the waterproof layer 34 has been coated to the second heat preservation layer 33 lower extreme, and the waterproof layer 34 is laminated with the heat preservation rock wool layer 11 of heat insulating pipe box 1 internal surface mutually.
The second heat-insulating layer 33 further enhances the heat-insulating effect of the first heat-insulating layer 32, thereby facilitating more effective heat insulation. The waterproof layer 34 prevents water vapor from entering the first heat-insulating layer 32 and the second heat-insulating layer 33, and avoids influencing the heat-insulating effect of the first heat-insulating layer 32 and the second heat-insulating layer 33. The heat preservation rock wool layer 11 on the inner surface of the heat insulation pipe sleeve 1 is convenient for preventing heat loss at the joint.
The lower end of the heat preservation rock wool layer 11 is bonded with a first heat insulation fiber layer 12, the lower end of the first heat insulation fiber layer 12 is bonded with an aerogel felt layer 13, and the lower end of the aerogel felt layer 13 is bonded with a second heat insulation fiber layer 14.
The aerogel felt layer 13 is made of a porous material with a nano-scale pore diameter, has an extremely excellent heat insulation effect, is convenient for insulating the inner heat insulation pipe sleeve 3, and prevents the loss caused by contact with the outside. The first insulating fiber layer 12 and the second insulating fiber layer 14 perform a double-layer insulating function.
A support column 52 is arranged in the cavity 15; and a compression spring 53 is arranged in the support column 52, the upper end and the lower end of the support column 52 are fixedly provided with a connecting plate surface 51, and the side surface of the support column 52 is fixedly provided with an outer arc-shaped block 55 and an inner arc-shaped block 54.
The cavity 15 is located between the second insulating fiber layer 14 and the outer metal shell 16. The upper and lower connecting plate surfaces 51 are respectively in contact with the second insulating fiber layer 14 and the outer metal shell 16, and are conveniently supported by the supporting columns 52. The compression spring 53, the outer arc-shaped block 55 and the inner arc-shaped block 54 play a role in buffering, so that the internal heat insulation material is prevented from being damaged by external force.
The upper end of the clamping strip 21 is provided with a fastening end 22, a bolt component 23 is fixed in the fastening end 22, and the heat insulation pipe sleeve 1 is fixed with the inner heat insulation pipe sleeve 3 through the fixing block 2.
The fastening end 22 is locked by screwing the bolt assembly 23, and the heat insulation pipe sleeve 1 is firmly fixed outside the inner heat insulation pipe sleeve 3 by the fixing block 2, so that the heat insulation performance of the cold-drawn seamless steel pipe body 4 is increased conveniently, and the cold-drawn seamless steel pipe body 4 has excellent heat insulation performance.
The cold-drawn seamless steel tube with the heat insulation and preservation functions can effectively solve the problem of influencing the heat insulation and preservation performance of the cold-drawn seamless steel tube, avoids damage to heat insulation and preservation materials caused by external impact, is convenient for the cold-drawn seamless steel tube to have excellent heat insulation and preservation performance, and is suitable for automobile lamps of roads which are dark at night and adapt to severe weather.
Claims (6)
1. The utility model provides a heat-insulating heat retaining cold drawn seamless steel pipe which characterized in that includes:
the heat insulation pipe sleeve (1) is positioned on the outer side of the inner heat insulation pipe sleeve (3), the front end and the rear end of the heat insulation pipe sleeve (1) are connected with fixing blocks (2), and a clamping strip (21) is fixed in the middle of each fixing block (2);
the inner heat-insulating pipe sleeve (3) is positioned outside the cold-drawn seamless steel pipe body (4), and the inner part of the inner heat-insulating pipe sleeve (3) consists of a first heat-insulating layer (32) and a second heat-insulating layer (33);
the flexible supporting structure (5) is located inside the heat insulation pipe sleeve (1), the flexible supporting structure (5) is fixed in the cavity (15), and an outer metal shell (16) is bonded at the lower end of the flexible supporting structure (5).
2. A heat insulating and preserving cold drawn seamless steel tube as claimed in claim 1, wherein said inner heat insulating pipe sleeve (3) is bonded to the cold drawn seamless steel tube body (4) through a protective film (31), and a first heat insulating layer (32) is bonded to the lower end of said protective film (31); and the first heat preservation layer (32) is made of ceramic particle heat preservation materials.
3. A heat insulating and preserving cold drawn seamless steel tube as claimed in claim 1, wherein a second heat insulating layer (33) is bonded to the lower end of said first heat insulating layer (32); and second heat preservation (33) are like moulding insulation material, second heat preservation (33) lower extreme coating has waterproof layer (34), waterproof layer (34) laminate mutually with heat preservation rock wool layer (11) of thermal-insulated pipe box (1) internal surface.
4. The drawn seamless steel pipe as claimed in claim 3, wherein the first insulating fiber layer (12) is bonded to the lower end of the insulating rock wool layer (11), the aerogel felt layer (13) is bonded to the lower end of the first insulating fiber layer (12), and the second insulating fiber layer (14) is bonded to the lower end of the aerogel felt layer (13).
5. A thermal insulating drawn seamless steel tube according to claim 1, characterized in that said cavity (15) is internally provided with a support pillar (52); and a compression spring (53) is arranged in the supporting column (52), the upper end and the lower end of the supporting column (52) are fixedly provided with a connecting plate surface (51), and the side surface of the supporting column (52) is fixedly provided with an outer arc-shaped block (55) and an inner arc-shaped block (54).
6. The cold-drawn seamless steel tube with heat insulation and preservation functions as claimed in claim 1, characterized in that a fastening end (22) is arranged at the upper end of the clamping strip (21), a bolt assembly (23) is fixed inside the fastening end (22), and the heat insulation tube sleeve (1) is fixed with the inner heat preservation tube sleeve (3) through a fixing block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343446.2U CN216078855U (en) | 2021-09-27 | 2021-09-27 | Heat-insulating cold-drawn seamless steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343446.2U CN216078855U (en) | 2021-09-27 | 2021-09-27 | Heat-insulating cold-drawn seamless steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216078855U true CN216078855U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122343446.2U Active CN216078855U (en) | 2021-09-27 | 2021-09-27 | Heat-insulating cold-drawn seamless steel tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216078855U (en) |
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2021
- 2021-09-27 CN CN202122343446.2U patent/CN216078855U/en active Active
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