Stainless steel pipe with heat insulation effect

Abstract

The stainless steel pipe with the heat insulation effect comprises an outer-layer steel pipe exposed outside, butt joint threads are arranged on the outer surface of the front end of the outer-layer steel pipe, and an inner-layer steel pipe matched with the outer-layer steel pipe is arranged in the outer-layer steel pipe. Heat preservation filling cotton for heat insulation and heat preservation is arranged between the outer-layer steel pipe and the inner-layer steel pipe, a disassembling and assembling mechanism used for assembling the outer-layer steel pipe and the inner-layer steel pipe is arranged between the outer-layer steel pipe and the inner-layer steel pipe, and the heat preservation filling cotton is made of polystyrene foam materials. And a gap between the outer-layer steel pipe and the inner-layer steel pipe is completely filled with the heat preservation filling cotton. According to the stainless steel pipe with the heat insulation effect, a novel structural design is adopted, and a dismounting structure is arranged between the outer-layer steel pipe and the inner-layer steel pipe, that is, the mounting strips on the inner wall of the outer-layer steel pipe and the mounting grooves in the outer wall of the inner-layer steel pipe are matched and slidably mounted, so that the outer-layer steel pipe and the inner-layer steel pipe can be independently produced during production and then assembled for use; therefore, the overall processing difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipes, in particular to a stainless steel pipe with heat insulation effect. Background Art

[0002] Stainless steel pipe is a hollow pipe made of stainless steel. When laying water and heating pipes, the pipes laid underground are generally soft composite materials, but the pipes entering and leaving the house are exposed to the outside, so they are generally connected with stainless steel pipes.

[0003] There is hot water flowing inside the plumbing pipes, and in order to avoid heat loss and waste, it is essential to keep the steel pipes warm.

[0004] For example, in the prior art, a Chinese patent with the announcement number CN106523800A discloses a heat-insulating explosion-proof steel pipe, which includes an outer steel pipe body and an inner steel pipe body, which are connected together by six connecting structures, and six identical arc spaces are formed between the outer steel pipe body and the inner steel pipe body, and the outer ring of the inner steel pipe body is provided with a heat-insulating layer, the inner side of the inner steel pipe body is provided with an explosion-proof layer, the inner side of the explosion-proof layer is provided with an anti-corrosion layer, and the inner side of the anti-corrosion layer is a circular hole with a diameter of 350 mm, which can effectively prevent the possibility of explosion inside the steel pipe, reduce the impact of the external environment on the inside of the steel pipe, and enhance the safety during use.

[0005] Combining the above materials, it can be known that in the prior art, the effect of thermal insulation can be achieved through the sandwich structure in the double-layer steel pipe. However, in the actual production process, the two layers of steel pipes are an integrated structure, the overall production process is complex, and the production difficulty is great. Utility Model Content

[0006] The purpose of the utility model is to provide a stainless steel pipe with heat insulation effect to solve the problem of great production difficulty raised in the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical solution: a stainless steel pipe with heat insulation effect, including an outer steel pipe exposed to the outside, the outer surface of the front end of the outer steel pipe is provided with a butt thread, and also includes:

[0008] The outer steel pipe is provided with an inner steel pipe matching the outer steel pipe, and a heat-insulating filling cotton is provided between the outer steel pipe and the inner steel pipe;

[0009] A disassembly and assembly mechanism for the outer steel pipe and the inner steel pipe is arranged between the two.

[0010] Preferably, the thermal insulation filling cotton is set to be a polystyrene foam material, and the thermal insulation filling cotton completely fills the gap between the outer steel pipe and the inner steel pipe.

[0011] Preferably, the disassembly and assembly mechanism comprises a mounting bar fixedly arranged on the inner wall of the outer steel pipe, and the mounting bar and the outer steel pipe are integrally formed, and the mounting bars are evenly distributed at equal intervals.

[0012] Preferably, the installation strip and the installation groove provided on the outer surface of the inner steel pipe form a sliding assembly structure.

[0013] Preferably, an explosion-proof ring is fixedly welded to the outside of the outer steel pipe, and the interval between adjacent explosion-proof rings is 30 cm.

[0014] Preferably, the inner wall of the inner steel pipe is evenly coated with a first anti-rust coating, and the outer surface of the outer steel pipe is coated with a heat-insulating coating and a second anti-rust coating from the inside to the outside.

[0015] Preferably, the first anti-rust coating and the second anti-rust coating are both set to be aluminum coating material, and the heat-insulating coating is set to be polyurethane coating material.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the stainless steel pipe with heat insulation effect adopts a new structural design, the specific contents of which are as follows:

[0017] 1. The overall position of the steel pipe is a two-layer structure, divided into an outer steel pipe and an inner steel pipe. The two layers of steel pipes are filled with thermal insulation filling cotton. The double-layer structure is combined with the thermal insulation filling cotton to achieve a good thermal insulation effect, thereby avoiding heat loss and waste;

[0018] Furthermore, a disassembly and assembly structure is provided between the outer steel pipe and the inner steel pipe, that is, the installation strip on the inner wall of the outer steel pipe cooperates with the installation groove on the outer wall of the inner steel pipe for sliding installation, so that the outer steel pipe and the inner steel pipe can be produced separately during production and then assembled for use, thereby reducing the overall processing difficulty.

[0019] 2. The outer steel pipe is fixedly welded with explosion-proof rings, which are evenly spaced and used to improve its overall strength, thereby achieving effective explosion-proof effect;

[0020] Furthermore, a first anti-rust coating is applied to the inner wall of the inner steel pipe to prevent corrosion caused by the liquid in the pipe, and a heat-insulating coating and a second anti-rust coating are applied to the outer wall of the outer steel pipe. The heat-insulating coating can further improve the heat-insulating effect, and the second anti-rust coating can prevent corrosion caused by oxygen and moisture in the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the outer steel pipe of the utility model;

[0024] Figure 4 This is a schematic diagram of the cross-sectional structure of the inner steel pipe of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the second anti-rust coating of the utility model;

[0026] Figure 6 For this utility model Figure 5 Enlarged structural diagram at B in the middle.

[0027] In the figure: 1. Outer steel pipe; 2. Butt thread; 3. Inner steel pipe; 4. Explosion-proof ring; 5. Mounting strip; 6. Mounting groove; 7. Thermal insulation filling cotton; 8. First anti-rust coating; 9. Second anti-rust coating; 10. Thermal insulation coating. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example 1: Please refer to Figure 1-Figure 3 In order to solve the problem of poor thermal insulation effect of general steel pipes, this embodiment provides the following technical solutions, in which the steel pipe is set to a double-layer structure and cooperates with thermal insulation materials to achieve good thermal insulation effect. Specifically disclosed is: an outer steel pipe 1 exposed to the outside, a docking thread 2 is provided on the outer surface of the front end of the outer steel pipe 1, an inner steel pipe 3 matching the outer steel pipe 1 is arranged inside the outer steel pipe 1, and thermal insulation filling cotton 7 for heat insulation is arranged between the outer steel pipe 1 and the inner steel pipe 3, the thermal insulation filling cotton 7 is set to be a polystyrene foam material, and the thermal insulation filling cotton 7 completely fills the gap between the outer steel pipe 1 and the inner steel pipe 3.

[0030] When using steel pipes, first use the butt thread 2 to butt and fix multiple sections of steel pipes and connect the water heating pipes buried underground. Insulation filling cotton 7 is set between the outer steel pipe 1 and the inner steel pipe 3. The insulation filling cotton 7 is used to isolate the transfer of heat, thereby achieving the purpose of insulation and avoiding the waste of heat from the inside of the pipe.

[0031] Example 2: Please refer to Figure 2 In order to solve the problem of difficulty in producing double-layer steel pipes, this embodiment provides the following technical solutions, which are arranged as an assembly structure and assembled for use after separate production. Specifically disclosed is: a disassembly and assembly mechanism for the assembly of the outer steel pipe 1 and the inner steel pipe 3 is arranged between the outer steel pipe 1 and the inner steel pipe 3, and the disassembly and assembly mechanism includes a mounting bar 5 fixedly arranged on the inner wall of the outer steel pipe 1, and the mounting bar 5 and the outer steel pipe 1 are integrally formed, and the mounting bars 5 are evenly distributed at equal intervals, and a sliding assembly structure is formed between the mounting bar 5 and the mounting groove 6 opened on the outer surface of the inner steel pipe 3.

[0032] The outer steel pipe 1 and the inner steel pipe 3 are produced separately. After production, the inner steel pipe 3 is inserted into the outer steel pipe 1. At this time, the mounting strip 5 on the inner wall of the outer steel pipe 1 corresponds to the mounting groove 6 on the outer wall of the inner steel pipe 3 to achieve sliding assembly. Since the two are produced separately, the overall production difficulty is reduced.

[0033] Example 3: Please refer to Figure 4-Figure 6 In order to solve the problem of poor anti-corrosion effect of general steel pipes, this embodiment provides the following technical solutions, which specifically disclose: an explosion-proof ring 4 is fixedly welded on the outside of the outer steel pipe 1, and the interval between adjacent explosion-proof rings 4 is 30 cm, the inner wall of the inner steel pipe 3 is evenly coated with a first anti-rust coating 8, and the outer surface of the outer steel pipe 1 is coated with a heat-insulating coating 10 and a second anti-rust coating 9 from the inside to the outside, respectively, the first anti-rust coating 8 and the second anti-rust coating 9 are both set to aluminum coating material, and the heat-insulating coating 10 is set to polyurethane coating material.

[0034] The outer surface of the outer steel pipe 1 is welded with explosion-proof rings 4 at equal intervals. The explosion-proof rings 4 are used to improve the strength of the steel pipe to achieve the purpose of explosion-proof. At the same time, the first anti-rust coating 8 on the inner wall of the inner steel pipe 3 can prevent water from causing rust to it. The thermal insulation coating 10 on the outside of the outer steel pipe 1 can further improve the thermal insulation effect, and the second anti-rust coating 9 can prevent oxygen and moisture in the air from corroding the outer steel pipe 1.

[0035] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel pipe with heat insulation effect, comprising an outer steel pipe (1) exposed to the outside, wherein the outer surface of the front end of the outer steel pipe (1) is provided with a butt thread (2), characterized in that: Also includes: An inner steel pipe (3) matching the outer steel pipe (1) is arranged inside the outer steel pipe (1), and a heat-insulating filling cotton (7) is arranged between the outer steel pipe (1) and the inner steel pipe (3); A disassembly and assembly mechanism for the outer steel pipe (1) and the inner steel pipe (3) is provided between the two.

2. The stainless steel pipe with heat insulation effect according to claim 1, characterized in that: The thermal insulation filling cotton (7) is configured to be made of polystyrene foam material, and the thermal insulation filling cotton (7) completely fills the gap between the outer steel pipe (1) and the inner steel pipe (3).

3. The stainless steel pipe with heat insulation effect according to claim 1, characterized in that: The disassembly and assembly mechanism comprises a mounting bar (5) fixedly arranged on the inner wall of the outer steel pipe (1), wherein the mounting bar (5) and the outer steel pipe (1) are integrally formed, and the mounting bars (5) are evenly distributed at equal intervals.

4. The stainless steel pipe with heat insulation effect according to claim 3, characterized in that: The installation strip (5) and the installation groove (6) provided on the outer surface of the inner steel pipe (3) form a sliding assembly structure.

5. The stainless steel pipe with heat insulation effect according to claim 1, characterized in that: The outer layer of the outer steel pipe (1) is fixedly welded with an explosion-proof ring (4), and the interval between adjacent explosion-proof rings (4) is 30 cm.

6. The stainless steel pipe with heat insulation effect according to claim 1, characterized in that: The inner wall of the inner steel pipe (3) is evenly coated with a first anti-rust coating (8), and the outer surface of the outer steel pipe (1) is coated with a heat insulation coating (10) and a second anti-rust coating (9) from the inside to the outside.

7. The stainless steel pipe with heat insulation effect according to claim 6, characterized in that: The first anti-rust coating (8) and the second anti-rust coating (9) are both configured as aluminum coating materials, and the heat-insulating coating (10) is configured as polyurethane coating material.

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