Flexible metal pipeline

Abstract

The utility model discloses a flexible metal pipeline which comprises a main body assembly, and the main body assembly comprises an inner pipe and an outer pipe. The outer side wall of the inner pipe is fixedly connected with an outer pipe; a positioning assembly is arranged outside the main body assembly, connecting assemblies are arranged at the two ends of the main body assembly, and each connecting assembly comprises a supporting plate, a threaded sleeve, a sealing ring, a supporting ring and a nut; the outer side wall of the outer pipe is fixedly connected with a supporting plate, and one side of the supporting plate is fixedly connected with a threaded sleeve. The inner pipe is subjected to high-temperature annealing treatment, so that the rigidity of 316L stainless steel can be removed, the pipeline is easy to bend and convenient to use, internal organic impurities can be removed in the treatment process, and the inner wall of the pipeline does not need to be cleaned in the later period; the positioning assembly can play a role in positioning when the inner pipe and the outer pipe are connected, workers can conveniently and rapidly connect the inner pipe and the outer pipe in an inserted mode, multiple sections of metal pipes can be rapidly connected through the connecting assembly, the pipe length is increased, and operation time is saved.

Description

Technical field:

[0001] The utility model relates to a metal pipeline, in particular to a flexible metal pipeline, belonging to the technical field of metal pipelines. Background technology:

[0002] The metal pipe made of 316L stainless steel cold drawing is a pipe product with high strength, high corrosion resistance and excellent mechanical properties. The 316L stainless steel metal pipe manufactured by the cold drawing process can improve the yield point strength of the pipe and save materials. The 316L stainless steel metal pipe not only has excellent corrosion resistance, can resist various corrosive media such as acids, alkalis and chlorides, but also has good high temperature resistance and is suitable for use in high temperature environments. In addition, the metal pipe made of 316L stainless steel cold drawing also has high strength and good welding performance, which can meet the needs of various complex application scenarios.

[0003] The existing small inner diameter 316L stainless steel metal pipeline is not flexible enough when in use because of its hard material and difficult to bend. It is easy to break and have an unsightly appearance after being bent many times. In addition, the residual oil and other impurities inside the metal pipeline after the production is completed are not easy to clean, and the cleaning cost is high. At the same time, the metal pipeline is inconvenient to install. Therefore, a flexible metal pipeline is proposed. Utility model content:

[0004] The purpose of the utility model is to provide a flexible metal pipeline to solve one of the problems raised in the above background technology.

[0005] The utility model is implemented by the following technical solutions: a flexible metal pipeline, comprising a main body component, the main body component comprising an inner tube and an outer tube, the outer side wall of the inner tube being fixedly connected to the outer tube;

[0006] A positioning assembly is arranged outside the main assembly, and connecting assemblies are arranged at both ends of the main assembly, wherein the connecting assemblies include a support plate, a threaded sleeve, a sealing ring, a support ring and a nut;

[0007] The outer wall of the outer tube is fixedly connected to a support plate, one side of the support plate is fixedly connected to a threaded sleeve, one end of the outer tube is fixedly connected to a sealing ring, the outer wall of the outer tube is rotatably connected to a support ring, one side of the support ring is fixedly connected to a nut.

[0008] As a further preferred embodiment of the present technical solution: the inner tube is manufactured by cold drawing of 316L stainless steel, and the inner tube is subjected to high temperature annealing treatment.

[0009] As a further preferred embodiment of the present technical solution: the positioning assembly includes a first connecting ring, a second connecting ring, a third connecting ring and a fourth connecting ring, the first connecting ring is arranged on the top of the second connecting ring, and the third connecting ring is arranged on the top of the fourth connecting ring.

[0010] As a further preferred embodiment of the present technical solution: the first connecting ring and the second connecting ring, the third connecting ring and the fourth connecting ring are all rotationally connected via a fixed shaft.

[0011] As a further preferred embodiment of the present technical solution: the first connecting ring and the second connecting ring are arranged on the outer side wall of the inner tube, and the third connecting ring and the fourth connecting ring are arranged on the outer side wall of the outer tube.

[0012] As a further preferred embodiment of the present technical solution: anti-slip pads are fixedly connected to the inner side walls of the first connecting ring and the second connecting ring.

[0013] As a further preferred embodiment of the present technical solution: the outer side walls of the first connecting ring and the third connecting ring are fixedly connected with a first connecting plate, the outer side walls of the second connecting ring and the fourth connecting ring are fixedly connected with a second connecting plate, and the first connecting plate and the second connecting plate are fixedly connected by fixing bolts.

[0014] As a further preferred embodiment of the present technical solution: the first connecting ring and the third connecting ring, the second connecting ring and the fourth connecting ring are all fixedly connected via connecting rods, and one side of the third connecting ring and the fourth connecting ring is fixedly connected with a guide sleeve.

[0015] Advantages of the utility model:

[0016] 1. The utility model can remove the rigidity of 316L stainless steel by high-temperature annealing treatment of the inner tube, making the pipeline easy to bend and convenient to use. At the same time, internal organic impurities can be removed during the treatment process, and there is no need to clean the inner wall of the pipeline later.

[0017] 2. The positioning component of the utility model can play a positioning role when connecting the inner pipe and the outer pipe, which is convenient for the staff to quickly plug the inner and outer pipes. Through the connecting component, multiple sections of metal pipes can be quickly connected, the length of the pipe is increased, and the operation time is saved. Description of the drawings:

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

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

[0020] Figure 2 This is a schematic diagram of the positioning component structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the fixed shaft structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the threaded sleeve structure of the utility model.

[0023] In the figure: 10, main body assembly; 11, inner tube; 12, outer tube; 20, positioning assembly; 21, first connecting ring; 22, second connecting ring; 23, fixed shaft; 24, first connecting plate; 25, second connecting plate; 26, fixing bolt; 27, connecting rod; 28, third connecting ring; 29, fourth connecting ring; 210, guide sleeve; 30, connecting assembly; 31, support plate; 32, threaded sleeve; 33, sealing ring; 34, support ring; 35, nut. Specific implementation method:

[0024] 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.

[0025] Example

[0026] See also Figure 1-4 The utility model provides a technical solution: a flexible metal pipeline, including a main body component 10, the main body component 10 includes an inner tube 11 and an outer tube 12, the outer wall of the inner tube 11 is fixedly connected with the outer tube 12, the outer diameter of the inner tube 11 is the same as the inner diameter of the outer tube 12, and direct plugging is inconvenient to operate. The positioning component 20 plays a positioning role, which is convenient for the staff to quickly plug the inner and outer parts of the pipeline;

[0027] A positioning assembly 20 is disposed outside the main assembly 10, and connecting assemblies 30 are disposed at both ends of the main assembly 10. The connecting assembly 30 includes a support plate 31, a threaded sleeve 32, a sealing ring 33, a support ring 34 and a nut 35;

[0028] The outer wall of the outer tube 12 is fixedly connected to a support plate 31, one side of the support plate 31 is fixedly connected to a threaded sleeve 32, one end of the outer tube 12 is fixedly connected to a sealing ring 33, the outer wall of the outer tube 12 is rotatably connected to a support ring 34, one side of the support ring 34 is fixedly connected to a nut 35. When the length of the metal pipeline needs to be extended, the nut 35 is threadedly connected to the outer wall of the threaded sleeve 32 so that the outer tubes 12 are sealed by the sealing ring 33.

[0029] In this embodiment, specifically: the inner tube 11 is made of 316L stainless steel by cold drawing. The inner tube 11 is subjected to high temperature annealing treatment to remove the rigidity of the 316L stainless steel, making the pipeline easy to bend and convenient to use. At the same time, internal organic impurities can be removed during the treatment process, and there is no need to clean the inner wall of the pipeline later.

[0030] In this embodiment, specifically: the positioning assembly 20 includes a first connecting ring 21, a second connecting ring 22, a third connecting ring 28 and a fourth connecting ring 29, the first connecting ring 21 is arranged on the top of the second connecting ring 22, and the third connecting ring 28 is arranged on the top of the fourth connecting ring 29.

[0031] In this embodiment, specifically: the first connecting ring 21 and the second connecting ring 22 , the third connecting ring 28 and the fourth connecting ring 29 are all rotatably connected via a fixed shaft 23 .

[0032] In this embodiment, specifically: the first connecting ring 21 and the second connecting ring 22 are arranged on the outer wall of the inner tube 11, the third connecting ring 28 and the fourth connecting ring 29 are arranged on the outer wall of the outer tube 12, the position of the first connecting ring 21 is adjusted according to the insertion depth, the first connecting ring 21 is rotated to sleeve the first connecting ring 21 and the second connecting ring 22 on the outer wall of the inner tube 11, and the first connecting ring 21 and the second connecting ring 22, the third connecting ring 28 and the fourth connecting ring 29 are fixed by fixing bolts 26.

[0033] In this embodiment, specifically: the inner walls of the first connecting ring 21 and the second connecting ring 22 are fixedly connected with anti-skid pads, and the first connecting ring 21 and the second connecting ring 22 press the anti-skid pads on the inner walls to prevent the first connecting ring 21 and the second connecting ring 22 from moving.

[0034] In this embodiment, specifically: the outer walls of the first connecting ring 21 and the third connecting ring 28 are fixedly connected with the first connecting plate 24, the outer walls of the second connecting ring 22 and the fourth connecting ring 29 are fixedly connected with the second connecting plate 25, and the first connecting plate 24 and the second connecting plate 25 are fixedly connected by fixing bolts 26.

[0035] In this embodiment, specifically: the first connecting ring 21 and the third connecting ring 28, the second connecting ring 22 and the fourth connecting ring 29 are fixedly connected by a connecting rod 27, and one side of the third connecting ring 28 and the fourth connecting ring 29 is fixedly connected with a guide sleeve 210. The outer tube 12 is inserted into the guide sleeve 210, and the outer tube 12 is pushed to move to the set insertion depth to complete the connection between the inner tube 11 and the outer tube 12.

[0036] Working principle or structural principle: When in use, adjust the position of the first connecting ring 21 according to the insertion depth, rotate the first connecting ring 21 to sleeve the first connecting ring 21 and the second connecting ring 22 on the outer wall of the inner tube 11, fix the first connecting ring 21 and the second connecting ring 22, the third connecting ring 28 and the fourth connecting ring 29 by fixing bolts 26, and press the anti-slip pads on the inner walls of the first connecting ring 21 and the second connecting ring 22 to prevent the first connecting ring 21 and the second connecting ring 22 from moving, insert the outer tube 12 into the guide sleeve 210, and push the outer tube 12 to move to the set insertion depth. The inner tube 11 and the outer tube 12 are connected. After the connection is completed, the fixing bolts 26 are removed and the positioning assembly 20 is removed for reuse. The gap between the inner tube 11 and the outer tube 12 is welded to ensure the sealing of the connection. When the length of the metal pipeline needs to be extended, the nut 35 is threadedly connected to the outer wall of the threaded sleeve 32 so that the outer tube 12 is sealed by the sealing ring 33. The inner tube 11 is subjected to high temperature annealing treatment to remove the rigidity of 316L stainless steel, so that the pipeline is easy to bend and convenient to use. At the same time, the internal organic impurities can be removed during the treatment process, and there is no need to clean the inner wall of the pipeline later.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flexible metal pipeline, comprising a main body component (10), characterized in that: The main body component (10) comprises an inner tube (11) and an outer tube (12), and the outer side wall of the inner tube (11) is fixedly connected to the outer tube (12); A positioning assembly (20) is arranged outside the main assembly (10), and connecting assemblies (30) are arranged at both ends of the main assembly (10), and the connecting assembly (30) comprises a support plate (31), a threaded sleeve (32), a sealing ring (33), a support ring (34) and a nut (35); The outer wall of the outer tube (12) is fixedly connected to a support plate (31), one side of the support plate (31) is fixedly connected to a threaded sleeve (32), one end of the outer tube (12) is fixedly connected to a sealing ring (33), the outer wall of the outer tube (12) is rotatably connected to a support ring (34), and one side of the support ring (34) is fixedly connected to a nut (35).

2. A flexible metal pipeline according to claim 1, characterized in that: The inner tube (11) is made of 316L stainless steel by cold drawing, and the inner tube (11) is subjected to high temperature annealing treatment.

3. A flexible metal pipeline according to claim 1, characterized in that: The positioning assembly (20) comprises a first connecting ring (21), a second connecting ring (22), a third connecting ring (28) and a fourth connecting ring (29), wherein the first connecting ring (21) is arranged on the top of the second connecting ring (22), and the third connecting ring (28) is arranged on the top of the fourth connecting ring (29).

4. A flexible metal pipeline according to claim 3, characterized in that: The first connecting ring (21) and the second connecting ring (22), the third connecting ring (28) and the fourth connecting ring (29) are all rotatably connected via a fixed shaft (23).

5. A flexible metal pipeline according to claim 4, characterized in that: The first connecting ring (21) and the second connecting ring (22) are arranged on the outer side wall of the inner tube (11), and the third connecting ring (28) and the fourth connecting ring (29) are arranged on the outer side wall of the outer tube (12).

6. A flexible metal pipeline according to claim 5, characterized in that: Anti-slip pads are fixedly connected to the inner side walls of the first connecting ring (21) and the second connecting ring (22).

7. A flexible metal pipeline according to claim 6, characterized in that: The outer side walls of the first connecting ring (21) and the third connecting ring (28) are fixedly connected with a first connecting plate (24), the outer side walls of the second connecting ring (22) and the fourth connecting ring (29) are fixedly connected with a second connecting plate (25), and the first connecting plate (24) and the second connecting plate (25) are fixedly connected by fixing bolts (26).

8. A flexible metal pipeline according to claim 7, characterized in that: The first connecting ring (21) and the third connecting ring (28), and the second connecting ring (22) and the fourth connecting ring (29) are all fixedly connected via a connecting rod (27), and one side of the third connecting ring (28) and the fourth connecting ring (29) is fixedly connected with a guide sleeve (210).

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