Stainless steel pipe

Abstract

The utility model relates to the field of stainless steel pipes, in particular to a stainless steel pipe which comprises a stainless steel pipe body. And the outer coating covers the stainless steel pipe main body. According to the stainless steel pipe, through the arrangement of the stainless steel pipe main body, the outer coating, the reinforcing ribs, the inner pipe and the inner coating, the strength and the corrosion resistance of the whole stainless steel pipe main body and the inner pipe can be enhanced, the middle layer and the finish paint are arranged outside the stainless steel pipe main body, and the middle layer is made of polyester resin; the finish paint is fluorocarbon paint, a final protection layer is provided, the weather resistance and the corrosion resistance are enhanced, the needed attractive effect is provided, the multiple sets of reinforcing ribs are arranged in the stainless steel pipe body and the inner pipe, the overall strength is enhanced, and the service life of the stainless steel pipe is prolonged. Meanwhile, the corrosion-resistant layer arranged in the inner pipe is epoxy resin, corrosion resistance is provided, and the inner wall of the inner pipe is prevented from being corroded by fluid.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stainless steel pipe field, concretely relates to a stainless steel pipe. BACKGROUND

[0002] The stainless steel pipe is mainly made of stainless steel material, has the characteristics of wear resistance, protection and telescopic property. According to different production processes and purposes, the stainless steel pipe can be divided into various types, such as hot-rolled pipe, cold-drawn pipe, welded pipe, etc.

[0003] The traditional stainless steel pipe has poor overall strength structure, does not have good coating and strength support, although the stainless steel pipe itself has certain corrosion resistance, but in some extreme environments, its corrosion resistance will be limited, so that the stainless steel pipe is more susceptible to corrosion by corrosive medium, thereby causing surface corrosion, pitting, crevice corrosion and other problems, and further reducing its service life.

[0004] Therefore, it is necessary to invent a stainless steel pipe to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a stainless steel pipe, through the intermediate layer and finish of the stainless steel pipe main body outside, and the intermediate layer is polyester resin, has the additional anticorrosive property, enhances the overall strength and durability of coating system, the finish is fluorocarbon paint, provides the final protective layer, enhances weather resistance, corrosion resistance, and provides the required aesthetic effect, the stainless steel pipe main body and the inner tube inside are equipped with a plurality of reinforcing ribs, strengthen the overall strength, and the corrosion-resistant layer arranged in the inner tube is epoxy resin, provides the corrosion resistance, prevents the corrosion of fluid to the inner wall of inner tube, to solve the problem that the traditional stainless steel pipe has poor overall strength structure, does not have good coating and strength support in the above background art, although the stainless steel pipe itself has certain corrosion resistance, but in some extreme environments, its corrosion resistance will be limited, so that the stainless steel pipe is more susceptible to corrosion by corrosive medium, thereby causing surface corrosion, pitting, crevice corrosion and other problems, and further reducing its service life.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a stainless steel pipe, including stainless steel pipe main body;

[0007] The outer coating is covered outside the stainless steel pipe main body and is used for protecting the stainless steel pipe main body, the outer coating includes the primer, the primer is covered outside the stainless steel pipe main body, the outer portion of the primer is covered with the intermediate layer, and the outer portion of the intermediate layer is covered with the finish;

[0008] The reinforcing rib is all welded to the inner wall of the stainless steel pipe main body, and the inner tube is welded to the lower end of the reinforcing rib.

[0009] An inner coating is arranged on the inner wall of the inner tube, the inner coating comprises a corrosion-resistant layer, the corrosion-resistant layer is arranged on the inner wall of the inner tube, and the inner part of the corrosion-resistant layer is covered with a lubricating coating;

[0010] The first flange and the second flange are respectively welded on the two ends of the stainless steel pipe body and are used for connection.

[0011] Preferably, the primer is made of epoxy resin, the intermediate layer is made of polyester resin, and the topcoat is made of fluorocarbon paint.

[0012] Preferably, the reinforcing ribs are arranged in a ring array on the outer wall of the inner tube, and soundproof cotton is arranged between groups of the reinforcing ribs.

[0013] Preferably, the corrosion-resistant layer is made of epoxy resin, and the lubricating coating is made of polytetrafluoroethylene.

[0014] Preferably, the first flange is internally provided with an internal thread, the internal surface of the first flange is provided with a ring groove, the inner side of the second flange is externally provided with an external thread, and the inner side of the second flange is fixedly connected with a clamping block.

[0015] Preferably, the second flange is threadedly connected with the first flange through the internal external thread, and the ring groove provided in the first flange is movably clamped with the clamping block on the inner side of the second flange.

[0016] In the above technical solution, the technical effects and advantages of the utility model are as follows:

[0017] The stainless steel pipe body, the outer coating, the reinforcing ribs, the inner tube and the inner coating are arranged, so that the strength and corrosion resistance of the overall stainless steel pipe body and the inner tube are enhanced, the intermediate layer and the topcoat are arranged on the outer wall of the stainless steel pipe body, the intermediate layer is made of polyester resin, additional corrosion resistance is provided, the overall strength and durability of the coating system are enhanced, the topcoat is made of fluorocarbon paint, a final protective layer is provided, weather resistance, corrosion resistance are enhanced, and the required aesthetic effect is provided, the stainless steel pipe body and the inner tube are internally provided with groups of reinforcing ribs, the overall strength is enhanced, the corrosion-resistant layer arranged in the inner tube is made of epoxy resin, corrosion resistance is provided, and corrosion of the inner wall of the inner tube by fluid is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is the schematic view of the stainless steel pipe main body structure of the utility model;

[0021] Figure 3 It is the schematic view of the outer coating structure of the utility model;

[0022] Figure 4 It is the schematic view of the inner pipe structure of the utility model;

[0023] Figure 5 It is the schematic view of the first flange and the second flange structure of the utility model.

[0024] Mark explanation:

[0025] 1, stainless steel pipe main body;2, outer coating;201, primer;202, intermediate layer;203, finish;3, reinforcing rib;4, sound insulation cotton;5, inner pipe;6, inner coating;601, corrosion resistant layer;602, lubricating coating;7, first flange;8, second flange;9, internal thread;10, ring groove;11, external thread;12, clamping block. Specific implementation

[0026] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0027] The utility model provides a kind of stainless steel pipe as shown in Figures 1-5 Including stainless steel pipe main body 1;

[0028] Outer coating 2 is covered in stainless steel pipe main body 1 outside, for protecting stainless steel pipe main body 1, outer coating 2 includes primer 201, primer 201 is covered in stainless steel pipe main body 1 outside, the outside of primer 201 is covered with intermediate layer 202, the outside of intermediate layer 202 is covered with finish 203;

[0029] Reinforcing rib 3 is all welded in the inner wall of stainless steel pipe main body 1, and the lower end of reinforcing rib 3 is welded with inner pipe 5;

[0030] Inner coating 6 is covered in the inner wall of inner pipe 5, and inner coating 6 includes corrosion resistant layer 601, and corrosion resistant layer 601 is covered in the inner wall of inner pipe 5, and the inside of corrosion resistant layer 601 is covered with lubricating coating 602;

[0031] The first flange 7 and the second flange 8 are respectively welded at both ends of the stainless steel pipe body 1, used for connection, through the intermediate layer 202 and the finish 203 outside the stainless steel pipe body 1, the intermediate layer 202 is polyester resin, which provides additional corrosion resistance, enhances the overall strength and durability of the coating system, the finish 203 is fluorocarbon paint, which provides the final protective layer, enhances weather resistance, corrosion resistance, and provides the required aesthetic effect, the stainless steel pipe body 1 and the inner tube 5 are provided with multiple groups of reinforcing ribs 3 to strengthen the overall strength, and the corrosion-resistant layer 601 provided inside the inner tube 5 is epoxy resin, which provides corrosion resistance to prevent fluid corrosion of the inner wall of the inner tube 5.

[0032] As shown in Figure 2 and Figure 3 , the primer 201 is epoxy primer, the intermediate layer 202 is polyester resin, and the finish 203 is fluorocarbon paint, the primer 201 serves as the basis of the coating, providing good adhesion to the stainless steel pipe body 1 and providing a uniform surface for subsequent coating, the intermediate layer 202 is polyester resin, which provides additional corrosion resistance, enhances the overall strength and durability of the coating system, and the finish 203 is fluorocarbon paint, which provides the final protective layer, enhances weather resistance, corrosion resistance, and provides the required aesthetic effect.

[0033] As shown in Figure 2 and Figure 4 , the reinforcing ribs 3 are arranged in a ring array outside the inner tube 5, and the sound insulation cotton 4 is arranged between the multiple groups of reinforcing ribs 3, the stainless steel pipe body 1 and the inner tube 5 are provided with multiple groups of reinforcing ribs 3 to strengthen the overall strength, and the sound insulation cotton 4 is arranged between the reinforcing ribs 3 to achieve sound insulation effect.

[0034] As shown in Figure 2 and Figure 4 , the corrosion-resistant layer 601 is made of epoxy resin, and the lubricating coating 602 is made of polytetrafluoroethylene, the corrosion-resistant layer 601 provided inside the inner tube 5 is made of epoxy resin, which provides corrosion resistance to prevent fluid corrosion of the inner wall of the inner tube 5, and the lubricating coating 602 provides additional smoothness to reduce fluid resistance and wear in the inner tube 5.

[0035] As shown in Figure 1 and Figure 5 , the first flange 7 is provided with an internal thread 9, the first flange 7 is provided with a ring groove 10 on the inner surface, the second flange 8 is provided with an external thread 11 on the inner side, and the second flange 8 is fixedly connected with a clamping block 12, the external thread 11 on the inner side of the second flange 8 is aligned with the internal thread 9 in the first flange 7, and is rotated and tightened, so that the first flange 7 and the second flange 8 are threadedly connected, and the firmness between them is enhanced.

[0036] As shown in Figure 5As shown, the second flange 8 is screwed with the first flange 7 through the internal external thread 11, the ring groove 10 opened in the first flange 7 is movably clamped with the clamping block 12 in the inside of the second flange 8, the connection and the sealing between the first flange 7 and the second flange 8 are strengthened by aligning the ring groove 10 in the first flange 7 with the clamping block 12 in the second flange 8.

[0037] The utility model discloses a stainless steel pipe body, which comprises a first flange, a second flange, a stainless steel pipe body and a bolt, wherein the first flange is internally provided with an internal thread, the second flange is externally provided with an external thread, the stainless steel pipe body is internally provided with a plurality of reinforcing ribs, and the bolt is externally provided with a plurality of nuts.

[0038] The utility model discloses a stainless steel pipe body, which comprises a first flange, a second flange, a stainless steel pipe body and a bolt, wherein the first flange is internally provided with an internal thread, the second flange is externally provided with an external thread, the stainless steel pipe body is internally provided with a plurality of reinforcing ribs, and the bolt is externally provided with a plurality of nuts.

Claims

1. A stainless steel pipe characterized by: The utility model relates to a stainless steel pipe, which comprises a stainless steel pipe body (1), an outer coating (2) covering the outer part of the stainless steel pipe body (1) for protecting the stainless steel pipe body (1), the outer coating (2) comprising a primer (201) covering the outer part of the stainless steel pipe body (1), the outer part of the primer (201) being covered with an intermediate layer (202), the outer part of the intermediate layer (202) being covered with a topcoat (203), a reinforcing rib (3) welded to the inner wall of the stainless steel pipe body (1), the lower end of the reinforcing rib (3) being welded with an inner pipe (5), an inner coating (6) covering the inner wall of the inner pipe (5), the inner coating (6) comprising a corrosion-resistant layer (601) covering the inner wall of the inner pipe (5), the inner part of the corrosion-resistant layer (601) being covered with a lubricating coating (602), and a first flange (7) and a second flange (8) respectively welded to the two ends of the stainless steel pipe body (1) for connection. The primer (201) is made of epoxy resin, the intermediate layer (202) is made of polyester resin, and the topcoat (203) is made of fluorocarbon paint. The reinforcing ribs (3) are arranged in a ring array outside the inner pipe (5), and soundproof cotton (4) is arranged between groups of the reinforcing ribs (3). The corrosion-resistant layer (601) is made of epoxy resin, and the lubricating coating (602) is made of polytetrafluoroethylene. The first flange (7) is internally provided with an internal thread (9), and the inner surface of the first flange (7) is provided with a ring groove (10); the second flange (8) is externally provided with an external thread (11) on the inner side, and the inner side of the second flange (8) is fixedly connected with a clamping block (12).

2. A stainless steel pipe according to claim 1, characterized in that: The second flange (8) is threadedly connected with the first flange (7) through the internal external thread (11), and the ring groove (10) formed in the first flange (7) is movably clamped with the clamping block (12) on the inner side of the second flange (8).

3. A stainless steel pipe according to claim 1, characterized in that: ​ 4. The stainless steel pipe according to claim 1, characterized by: ​ 5. The stainless steel pipe according to claim 1, characterized by: ​ 6. A stainless steel pipe according to claim 1, characterized by: ​

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