Corrosion-resistant stainless steel pipe

Abstract

The utility model belongs to the technical field of stainless steel pipes, and particularly relates to a corrosion-resistant stainless steel pipe which comprises a stainless steel pipe body, the outer side of the stainless steel pipe body is fixedly sleeved with two symmetrically-distributed flange plates, and the surface of each flange plate is provided with four mounting holes distributed in an annular array. An oxidation-resistant layer is arranged on the outer side of the stainless steel pipe body, a corrosion-resistant layer is arranged on the outer side of the oxidation-resistant layer, a reinforcing layer is arranged on the outer side of the corrosion-resistant layer, a plurality of rubber sheets distributed in an annular array are fixedly connected to the surface of the reinforcing layer, and each rubber sheet makes contact with a flange plate. Through the arrangement of the flange plate, the subsequent installation and use of the stainless steel pipe can be facilitated, and through the matched use of the oxidation-resistant layer, the corrosion-resistant layer, the reinforcing layer, the rubber sheet and other structures, the corrosion-resistant and oxidation-resistant effects of the outer side of the stainless steel pipe can be ensured, and the impact-resistant performance of the outer side of the stainless steel pipe can also be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipes, in particular to a corrosion-resistant stainless steel pipe. Background Art

[0002] As we all know, stainless steel pipe is a kind of metal pipe with corrosion resistance, usually made of stainless steel material. It is widely used in construction, chemical, petroleum, food processing, medical equipment and other industries. It is a commonly used pipeline material.

[0003] The utility model patent with announcement number CN202927287U discloses a composite stainless steel pipe having a hollow tube body made of stainless steel; evenly distributed grooves are opened on the outer wall of the tube body, and a steel lining layer is fitted on the inner wall of the tube body; the depth of the grooves is 5mm, and the thickness of the lining layer is less than 2mm.

[0004] However, the existing stainless steel pipes still have certain shortcomings: first, most of the existing stainless steel pipes are simply rolled from stainless steel. Due to the complexity of the use environment, the corrosion resistance of the outer side of the stainless steel pipe made of a single stainless steel material is relatively weak;

[0005] Secondly, the existing stainless steel pipe uses stainless steel as the main body of the pipe. Due to the influence of external force impact, fluid stress and other factors, the structural strength of the stainless steel pipe is weak, which can easily cause impact damage to the stainless steel pipe. Utility Model Content

[0006] The utility model aims to provide a corrosion-resistant stainless steel pipe, which solves the problem that most of the existing stainless steel pipes are simply rolled and formed with stainless steel material, and the corrosion resistance of the outer side of the stainless steel pipe made of a single stainless steel material is relatively weak due to the complexity of the use environment; and solves the problem that the existing stainless steel pipe uses stainless steel material as the pipe body, and the structural strength of the stainless steel pipe is relatively weak due to the influence of external force impact, fluid stress and other factors, which easily causes the stainless steel pipe to be damaged by impact.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant stainless steel pipe, comprising a stainless steel pipe body, the outer side of the stainless steel pipe body is fixedly sleeved with two symmetrically distributed flanges, the surface of each flange is provided with four mounting holes arranged in a circular array, the outer side of the stainless steel pipe body is provided with an oxidation-resistant layer, the outer side of the oxidation-resistant layer is provided with a corrosion-resistant layer, the outer side of the corrosion-resistant layer is provided with a reinforcement layer, the surface of the reinforcement layer is fixedly connected with a plurality of rubber sheets arranged in a circular array, each of the rubber sheets is in contact with the flange, and a reinforcement mechanism is provided inside the stainless steel pipe body.

[0008] Preferably, the oxidation-resistant layer is a polytetrafluoroethylene coating. By setting the polytetrafluoroethylene coating, the oxidation-resistant layer can have good oxidation resistance, and the polytetrafluoroethylene coating can prevent the outer side of the stainless steel pipe body from continuing to react with oxygen, thereby alleviating further oxidation of the stainless steel pipe body.

[0009] Preferably, the corrosion-resistant layer is an epoxy resin coating. Through the setting of the epoxy resin coating, the corrosion-resistant layer has good corrosion resistance, and the epoxy resin coating can effectively prevent the outside of the stainless steel pipe body from contacting the corrosive medium, thereby extending the service life of the stainless steel pipe body.

[0010] Preferably, the reinforcing layer is made of fiberglass. Through the setting of the fiberglass, the reinforcing layer has good lightness and structural strength, and the fiberglass has good characteristics of lightness, tensile resistance and high strength.

[0011] Preferably, the reinforcement mechanism includes a fixing plate 1, the inner wall of the stainless steel pipe body is fixedly connected with the fixing plate 1, the interior of the fixing plate 1 is fixedly connected with a waterproof screw, the outer side of the waterproof screw is slidably sleeved with a reinforcement plate 2, the reinforcement plate 2 is slidably connected to the stainless steel pipe body, the surface of the waterproof screw is fixedly connected with a limiting block, the limiting block is in contact with the stainless steel pipe body, the limiting block is in contact with the reinforcement plate 2, the outer side of the waterproof screw is threadedly connected with a waterproof nut, the waterproof nut is in contact with the reinforcement plate 2, and the reinforcement plate 2 can be locked by setting the waterproof screw and the waterproof nut, and the structural strength of the stainless steel pipe body can be improved by coordinating the settings of the fixing plate 1, the reinforcement plate 2 and other structures.

[0012] Preferably, both left and right ends of the fixed plate 1 are fixedly connected with support tubes, and the support tubes are in contact with the stainless steel pipe body. The support strength of the stainless steel pipe body can be improved by setting the support tubes.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can facilitate the subsequent installation and use of stainless steel pipes through the setting of flanges. The coordinated use of oxidation-resistant layers, corrosion-resistant layers, reinforcement layers, rubber sheets and other structures can not only ensure the corrosion and oxidation resistance of the outer side of the stainless steel pipe, but also improve the impact resistance of the outer side of the stainless steel pipe.

[0015] 2. The utility model can fix the reinforcement plate 2 by setting structures such as waterproof screws, waterproof nuts, and limit blocks, and cooperate with the functions of fixed plate 1, support tube and other structures to improve the structural strength of the stainless steel pipe, thereby improving the impact resistance and durability of the stainless steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 The three-dimensional diagram without flange;

[0018] Figure 3 For the utility model Figure 1 A partial front cross-sectional view of

[0019] Figure 4 For the utility model Figure 3 Enlarged view of the reinforcement mechanism.

[0020] In the figure: 1. Stainless steel pipe body; 2. Flange; 3. Oxidation-resistant layer; 4. Corrosion-resistant layer; 5. Strengthening layer; 6. Rubber sheet; 7. Reinforcement mechanism; 71. Fixed plate 1; 72. Support tube; 73. Waterproof screw; 74. Reinforcement plate 2; 75. Limit block; 76. Waterproof nut. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A corrosion-resistant stainless steel pipe comprises a stainless steel pipe body 1, two symmetrically distributed flanges 2 are fixedly sleeved on the outer side of the stainless steel pipe body 1, four mounting holes arranged in a circular array are opened on the surface of each flange 2, an oxidation-resistant layer 3 is arranged on the outer side of the stainless steel pipe body 1, a corrosion-resistant layer 4 is arranged on the outer side of the oxidation-resistant layer 3, a reinforcement layer 5 is arranged on the outer side of the corrosion-resistant layer 4, a plurality of rubber sheets 6 arranged in a circular array are fixedly connected to the surface of the reinforcement layer 5, and each rubber sheet 6 is in contact with the flange 2.

[0023] See also Figure 1 , Figure 2The oxidation-resistant layer 3 is a polytetrafluoroethylene coating. Through the setting of the polytetrafluoroethylene coating, the oxidation-resistant layer 3 can have a good oxidation-resistant effect, and the polytetrafluoroethylene coating can prevent the outer side of the stainless steel pipe body 1 from continuing to react with oxygen, thereby slowing down the further oxidation of the stainless steel pipe body 1. The corrosion-resistant layer 4 is an epoxy resin coating. Through the setting of the epoxy resin coating, the corrosion-resistant layer 4 has a good corrosion-resistant effect, and the epoxy resin coating can effectively prevent the outer side of the stainless steel pipe body 1 from contacting the corrosive medium, thereby extending the service life of the stainless steel pipe body 1. The reinforcement layer 5 is made of fiberglass. Through the setting of the fiberglass material, the reinforcement layer 5 has good lightness and structural strength, and the fiberglass material has good lightness, tensile resistance and high strength characteristics.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The stainless steel pipe body 1 is provided with a reinforcement mechanism 7 inside, the reinforcement mechanism 7 includes a fixing plate 71, the inner wall of the stainless steel pipe body 1 is fixedly connected with the fixing plate 71, the left and right ends of the fixing plate 71 are fixedly connected with support tubes 72, the support tubes 72 are in contact with the stainless steel pipe body 1, and the support strength of the stainless steel pipe body 1 can be improved by setting the support tubes 72, the inside of the fixing plate 71 is fixedly connected with a waterproof screw 73, the outer side of the waterproof screw 73 is slidably sleeved with a reinforcement plate 2 74, and the reinforcement plate 2 74 is in contact with the stainless steel pipe body 1. The steel pipe body 1 is slidably connected, and the surface of the waterproof screw 73 is fixedly connected with a limiting block 75, the limiting block 75 contacts the stainless steel pipe body 1, and the limiting block 75 contacts the reinforcement plate 2 74. The outer side of the waterproof screw 73 is threadedly connected with a waterproof nut 76, and the waterproof nut 76 contacts the reinforcement plate 2 74. Through the setting of the waterproof screw 73 and the waterproof nut 76, the reinforcement plate 2 74 can be locked, and in conjunction with the setting of the fixed plate 1 71, the reinforcement plate 2 74 and other structures, the structural strength of the stainless steel pipe body 1 can be improved.

[0025] The specific implementation process of the utility model is as follows: when in use, the oxidation-resistant layer 3 can have a good oxidation-resistant effect through the setting of the polytetrafluoroethylene coating, and the polytetrafluoroethylene coating can prevent the outer side of the stainless steel pipe body 1 from continuing to react with oxygen, thereby slowing down the further oxidation problem of the stainless steel pipe body 1. The corrosion-resistant layer 4 has a good corrosion-resistant effect through the setting of the epoxy resin coating, and the epoxy resin coating can effectively prevent the outer side of the stainless steel pipe body 1 from contacting with the corrosive medium, thereby extending the service life of the stainless steel pipe body 1. The reinforcing layer 5 has good lightness and structural strength through the setting of the glass fiber reinforced plastic material, and the glass fiber reinforced plastic material has good lightness, tensile resistance, and high strength characteristics, and under the action of the rubber sheet 6, the impact resistance of the outer side of the stainless steel pipe body 1 can be improved;

[0026] By pushing the reinforcement plate 2 74 to slide into the stainless steel pipe body 1, the reinforcement plate 2 74 is brought into contact with the limit block 75, and the waterproof screw 73 passes through the reinforcement plate 2 74. Under the threaded connection, the waterproof nut 76 and the waterproof screw 73 can be installed to fix the reinforcement plate 2 74. Under the structure of the fixing plate 1 71, the reinforcement plate 2 74, the support tube 72 and other structures, the structural strength of the stainless steel pipe body 1 can be improved, thereby improving the impact resistance and durability of the stainless steel pipe body 1.

[0027] 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 corrosion-resistant stainless steel pipe, comprising a stainless steel pipe body (1), characterized in that: The outer side of the stainless steel pipe body (1) is fixedly sleeved with two symmetrically distributed flanges (2), and the surface of each flange (2) is provided with four mounting holes arranged in a circular array. The outer side of the stainless steel pipe body (1) is provided with an oxidation-resistant layer (3), and the outer side of the oxidation-resistant layer (3) is provided with a corrosion-resistant layer (4), and the outer side of the corrosion-resistant layer (4) is provided with a reinforcement layer (5). The surface of the reinforcement layer (5) is fixedly connected with a plurality of rubber sheets (6) arranged in a circular array, and each of the rubber sheets (6) is in contact with the flange (2). The interior of the stainless steel pipe body (1) is provided with a reinforcement mechanism (7).

2. The corrosion-resistant stainless steel pipe according to claim 1, characterized in that: The oxidation-resistant layer (3) is a polytetrafluoroethylene coating.

3. The corrosion-resistant stainless steel pipe according to claim 1, characterized in that: The corrosion-resistant layer (4) is an epoxy resin coating.

4. The corrosion-resistant stainless steel pipe according to claim 1, characterized in that: The reinforcement layer (5) is made of glass fiber reinforced plastic.

5. The corrosion-resistant stainless steel pipe according to claim 1, characterized in that: The reinforcing mechanism (7) comprises a fixing plate 1 (71), the inner wall of the stainless steel pipe body (1) is fixedly connected with the fixing plate 1 (71), the interior of the fixing plate 1 (71) is fixedly connected with a waterproof screw (73), the outer side of the waterproof screw (73) is slidably sleeved with a reinforcing plate 2 (74), the reinforcing plate 2 (74) is slidably connected to the stainless steel pipe body (1), the surface of the waterproof screw (73) is fixedly connected with a limit block (75), the limit block (75) is in contact with the stainless steel pipe body (1), the limit block (75) is in contact with the reinforcing plate 2 (74), the outer side of the waterproof screw (73) is threadedly connected with a waterproof nut (76), and the waterproof nut (76) is in contact with the reinforcing plate 2 (74).

6. The corrosion-resistant stainless steel pipe according to claim 5, characterized in that: The left and right ends of the fixed plate 1 (71) are both fixedly connected with support tubes (72), and the support tubes (72) are in contact with the stainless steel pipe body (1).

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