Anti-compression and anti-corrosion aluminum round pipe

Abstract

The utility model relates to the field of aluminum circular pipes, in particular to a compression-resistant and corrosion-resistant aluminum circular pipe, and aims to solve the technical problems that the existing aluminum circular pipe is poor in compression resistance, and a pipe body and a port part are easy to deform due to collision and extrusion stress. According to the technical scheme, the compression-resistant and corrosion-resistant aluminum round pipe comprises an inner-layer aluminum alloy pipe body, an outer-layer aluminum alloy pipe body, a stiffening beam, a cross-shaped supporting frame, a spiral manganese steel sheath and a plug assembly. Through the composite structure of the aluminum alloy pipe body and the spiral manganese steel sheath, the stiffening beams and the cross-shaped supporting frame which are arranged in the pipe body are combined to play a role in supporting the inner wall of the pipe body in the axial direction and the radial direction respectively, and the lateral impact deformation resistance of the pipe body of the aluminum round pipe is further improved by utilizing the characteristics of high strength and high pressure resistance of a manganese steel material; after the plug assemblies and the two ends of the pipe body are assembled, the pipe ends are supported and protected, the pipe ends are prevented from being collided and deformed, and the problems that an existing aluminum round pipe is poor in anti-pressure capacity, and the pipe body and the end opening portions are prone to being deformed due to collision and extrusion stress are solved.

Description

Technical Field

[0001] The utility model relates to the field of aluminum round tubes, in particular to a compression-resistant and corrosion-resistant aluminum round tube. Background Art

[0002] Aluminum round tubes are common metal tubes used in home decoration materials, engineering installations and equipment parts. The tube body of the aluminum round tube is made of aluminum alloy, which is light in texture, has good weather resistance and high resource recycling rate. It is an excellent environmentally friendly tube. After the surface of the aluminum round tube is coated, its anti-corrosion performance can be further improved.

[0003] However, aluminum round tubes have a fatal flaw. In order to meet the advantages of light weight and small size, the tube walls of aluminum round tubes are generally thinner, so the lateral pressure they can withstand is limited. They are prone to inward deformation or even twisting due to external collision and extrusion during installation and use. In particular, the end positions of aluminum round tubes are very prone to collision, curling, and dents during transportation and loading and unloading.

[0004] Therefore, in view of the poor compressive resistance of existing aluminum round tubes and the fact that the tube body and port parts are easily deformed due to collision and extrusion, a composite aluminum round tube can be designed with an internal stiffening structure and an internal support structure at the port to prevent the aluminum round tube from being deformed during transportation, installation and use. Utility Model Content

[0005] In order to overcome the poor compressive resistance of existing aluminum round tubes, the tube body and end parts are easily deformed due to collision and extrusion.

[0006] The technical solution of the utility model is: a pressure-resistant and corrosion-resistant aluminum circular tube, including an inner and outer double-layer aluminum alloy tube body, a stiffening beam, a cross support frame, a spiral manganese steel sheath, and a plug assembly; the surface of the aluminum alloy tube body is plated with an anti-corrosion protective film, the stiffening beam has eight groups and is integrally and equidistantly connected to the inner wall of the tube body, a cross support frame is fixedly connected between the ends of the stiffening beams facing the axis of the tube body, and a number of cross support frames are equidistantly arranged along the axis of the tube body, a spiral manganese steel sheath is provided between the inner and outer layers of the tube body, and plug assemblies made of Saigang material are respectively inserted and installed at the two ends of the tube body.

[0007] Preferably, the spiral manganese steel sheath is sleeved on the inner aluminum alloy pipe body, and then a chrome-plated or titanium-plated aluminum alloy surface layer is covered on the outside to form a composite structure. The stiffening beam and the cross support frame respectively support the axial and radial directions of the inner wall of the pipe body, further improving the lateral impact deformation resistance of the aluminum round pipe body. The plug assembly made of Saigang material supports and protects the pipe ends after being assembled with the two ends of the pipe body, reducing the possibility of dust entering the pipe body.

[0008] Preferably, the stiffening beam is made of a high-hardness and high-strength aluminum alloy material to which zinc, magnesium, copper and manganese raw materials are added. The surface of the stiffening beam is an arc-shaped structure that bulges toward the axis of the pipe body and is hollow inside. The stiffening beam made of high-hardness and high-strength aluminum alloy forms a stiffening structure on the inner wall of the pipe body to prevent the pipe body from being torsionally bent and deformed.

[0009] Preferably, the cross support frame is made of a high-hardness and high-strength aluminum alloy material to which zinc, magnesium, copper and manganese raw materials are added. There is a 45-degree angle between the connection points of adjacent cross support frames and the same stiffening beam. The cross support frame provides radial support for the inner wall of the pipe body. In the vicinity of the cross support frame, the pipe body is not easily deformed inwardly due to lateral pressure.

[0010] Preferably, the spiral manganese steel sheath is a spiral with a circular cross-section, and the spacing between adjacent spiral rings is 1cm-1.2cm. The outer aluminum alloy material of the pipe body is melted and embedded between adjacent spiral rings of the spiral manganese steel sheath and tightly combined with the inner aluminum alloy material of the pipe body. The spiral structure of the spiral manganese steel sheath is more tightly combined with the aluminum alloy material of the pipe body, and the spiral manganese steel material with a circular cross-section is not easily compressed and deformed, thereby protecting the outside of the pipe body.

[0011] Preferably, the plug assembly includes a support ring and a sealing plate; the support ring and the sealing plate are both made of Saigang material, the support ring is located at the end of the tube body and its outer wall is in close contact with the inner wall of the tube body, the sealing plate is fixedly connected to one side of the support ring and is located outside the tube body. The support ring made of Saigang material has the characteristic of high strength, and supports the inner wall of the tube end from the inside to the outside to prevent the tube end from being sunken due to local force, and combined with the sealing plate, the end of the tube body is completely closed to prevent dust and water from entering.

[0012] Preferably, the plug assembly further includes a docking rod; eight docking rods are fixedly connected to one end of the support ring facing the inside of the pipe body, and the docking rods are inserted one by one into the hollow structure of each stiffening beam. The support ring is locked by the insertion of the docking rods and the stiffening beams, and cannot rotate at the pipe end. The support ring is prevented from falling off by squeezing friction resistance between the outer wall of the docking rod and the inner wall of the hollow structure of the stiffening beam.

[0013] Preferably, the plug assembly also includes an insert rod and a snap head; two insert rods with a spacing consistent with the diameter of the central intersection of the cross support frame are fixedly connected to one end of the support ring facing the inside of the tube body, and a rubber snap head with a center seam is fixedly connected between the ends of the insert rods. After the support ring is inserted into the tube end, the insert rod is stuck on the cross support frame close to the tube end, and a limit is formed on the other side of the cross support frame through the snap head to prevent the support ring from falling.

[0014] Beneficial effects of the utility model:

[0015] 1. Through the composite structure of aluminum alloy tube body and spiral manganese steel sheath, the high strength and high compressive resistance of manganese steel material are used to improve the lateral impact deformation resistance of aluminum round tube body. The stiffening beam and cross support frame set inside the tube body respectively support the axial and radial directions of the inner wall of the tube body, further improving the lateral impact deformation resistance of the aluminum round tube body. After the plug assembly of Saigang material is assembled with both ends of the tube body, it plays a supporting and protective role on the tube end to prevent the tube end from collision and deformation;

[0016] 2. The plug assembly not only provides internal support and protection for the pipe end, but also effectively prevents dust and water from entering the pipe body during transportation, thereby damaging the coating on the pipe body.

[0017] 3. The plug assembly is made of Saigang material, which has high material strength, low production cost, convenient recycling and high circulation utilization rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The diagram shows the longitudinal section structure of the compression-resistant and corrosion-resistant aluminum round tube of the utility model;

[0019] Figure 2 Shown is a schematic diagram of the cross-sectional structure of the compression-resistant and corrosion-resistant aluminum round tube of the utility model;

[0020] Figure 3 Shown is a schematic diagram of the three-dimensional structure of the compression-resistant and corrosion-resistant aluminum round tube of the utility model;

[0021] Figure 4 Shown is a schematic diagram of the internal three-dimensional structure of the compression-resistant and corrosion-resistant aluminum round tube of the utility model;

[0022] Figure 5 What is shown is a schematic diagram of a longitudinal section of a compression-resistant and corrosion-resistant aluminum round tube of the utility model;

[0023] Figure 6 Shown is a schematic diagram of the three-dimensional structure of the pressure-resistant and corrosion-resistant aluminum round pipe plug assembly of the present invention.

[0024] Explanation of the reference numerals: 1. pipe body; 2. stiffening beam; 3. cross support frame; 4. spiral manganese steel sheath; 5. plug assembly; 501. support ring; 502. sealing plate; 503. docking rod; 504. insertion rod; 505. snap head. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0026] See also Figure 1-4The utility model provides an embodiment: a compression and corrosion resistant aluminum round tube, comprising an inner and outer double-layer aluminum alloy tube body 1, a stiffening beam 2, a cross support frame 3, a spiral manganese steel sheath 4, and a plug assembly 5; the surface of the aluminum alloy tube body 1 is plated with an anti-corrosion protective film, the stiffening beam 2 has eight groups and is integrally connected to the inner wall of the tube body 1 at equal intervals, a cross support frame 3 is fixedly connected between one end of the stiffening beam 2 facing the axial direction of the tube body 1, and a plurality of groups of the cross support frames 3 are equidistantly arranged along the axial direction of the tube body 1, and a spiral manganese steel sheath is sleeved between the inner and outer layers of the tube body 1 Steel sheath 4, the two ends of the pipe body 1 are respectively installed with plug components 5 made of Saigang material, the spiral manganese steel sheath 4 is sleeved on the inner layer of the aluminum alloy pipe body 1, and then a layer of chrome-plated or titanium-plated aluminum alloy surface is covered on the outside to form a composite structure, the stiffening beam 2 and the cross support frame 3 respectively support the axial and radial directions of the inner wall of the pipe body 1, further improving the lateral impact deformation resistance of the aluminum round pipe body 1, the plug component 5 of Saigang material is assembled with the two ends of the pipe body 1 to support and protect the pipe end, reducing the possibility of dust entering the pipe body 1.

[0027] See also Figure 4-5 In this embodiment, the stiffening beam 2 is a high-hardness and high-strength aluminum alloy material with zinc, magnesium, copper and manganese raw materials added. The surface of the stiffening beam 2 is an arc-shaped structure that bulges toward the axis of the pipe body 1 and is hollow inside. The cross support frame 3 is a high-hardness and high-strength aluminum alloy material with zinc, magnesium, copper and manganese raw materials added. The adjacent cross support frames 3 have a 45-degree intersection angle with the same stiffening beam 2. The spiral manganese steel sheath 4 is a spiral with a circular cross section. The spacing between adjacent spiral rings is 1cm-1.2cm. The outer aluminum alloy material of the pipe body 1 is melted and embedded in the adjacent spiral manganese steel sheath 4. The spiral rings are tightly combined with the inner aluminum alloy material of the pipe body 1, and the stiffening beam 2 made of high-hardness and high-strength aluminum alloy material forms a stiffening structure on the inner wall of the pipe body 1 to prevent the pipe body 1 from bending and deforming due to torsion. The cross support frame 3 plays a radial supporting role on the inner wall of the pipe body 1. In the vicinity of the cross support frame 3, the pipe body 1 is not easy to be concave and deform inward due to lateral pressure. The spiral structure of the spiral manganese steel sheath 4 is more tightly combined with the aluminum alloy material of the pipe body 1, and the spiral manganese steel material with a circular cross-section is not easy to be compressed and deformed, which protects the outside of the pipe body 1.

[0028] See also Figure 6In this embodiment, the plug assembly 5 includes a support ring 501 and a sealing plate 502; the support ring 501 and the sealing plate 502 are both made of Saigang, the support ring 501 is at the end of the pipe body 1 and its outer wall is in close contact with the inner wall of the pipe body 1, the sealing plate 502 is fixedly connected to one side of the support ring 501 and is outside the pipe body 1, and the plug assembly 5 also includes a docking rod 503; eight docking rods 503 are fixedly connected to one end of the support ring 501 facing the inside of the pipe body 1, and the docking rods 503 are plugged into the hollow structure of each stiffening beam 2 one by one, and the plug assembly 5 also includes an insertion rod 504 and a buckle head 505; two insertion rods 504 with a spacing consistent with the diameter of the central intersection of the cross support frame 3 are fixedly connected to one end of the support ring 501 facing the inside of the pipe body 1, and the ends of the insertion rods 504 A rubber buckle head 505 with a center seam is fixedly connected in between. The support ring 501 made of Saigang material has the characteristics of high strength, and supports the inner wall of the pipe end from the inside to the outside to prevent the pipe end from being locally stressed and dented. Combined with the sealing plate 502, the end of the pipe body 1 is completely sealed to prevent dust and water from entering. The support ring 501 is locked by plugging and connecting with the stiffening beam 2 through the docking rod 503, and cannot rotate on the pipe end. Moreover, the friction resistance between the outer wall of the docking rod 503 and the inner wall of the hollow structure of the stiffening beam 2 is squeezed to prevent the support ring 501 from falling off. After the support ring 501 is inserted into the pipe end, the insertion rod 504 is stuck on the cross support frame 3 close to the pipe end, and a limit is formed on the other side of the cross support frame 3 through the buckle head 505 to prevent the support ring 501 from falling off.

[0029] When processing and manufacturing the aluminum round tube, the inner layer structure of the tube body 1, the stiffening beam 2 and the cross support frame 3 are firstly manufactured in one piece, and then the spiral manganese steel sheath 4 is added to the outside of the inner layer of the tube body 1, and then the outer layer structure of the tube body 1 is manufactured. Through the spiral structure of the spiral manganese steel sheath 4, the outer layer structure material of the tube body 1 is more closely combined with it;

[0030] The plug assembly 5 is installed at both ends of the pipe body 1. When the docking rod 503 on the support ring 501 is plugged and locked with the stiffening beam 2, the plug rod 504 is clamped on the cross support frame 3 near the pipe end, and a limit is formed on the other side of the cross support frame 3 through the buckle head 505 to prevent the support ring 501 from falling off;

[0031] When the pipe body 1 is subjected to lateral pressure, the stiffening beam 2 made of high-hardness and high-strength aluminum alloy forms a stiffening structure on the inner wall of the pipe body 1 to prevent the pipe body 1 from bending and deforming due to torsion, while the cross support frame 3 plays a radial supporting role on the inner wall of the pipe body 1. In the vicinity of the cross support frame 3, the pipe body 1 is not easily deformed inward due to lateral pressure.

[0032] When the pipe end is subjected to lateral pressure, the support ring 501 made of Saigang material supports the inner wall of the pipe end from the inside to the outside to prevent the pipe end from being dented due to local force, and combines with the sealing plate 502 to completely seal the end of the pipe body 1 to prevent dust and water from entering.

[0033] Through the above steps, the composite structure of the aluminum alloy tube body 1 and the spiral manganese steel sheath 4 utilizes the high strength and high compressive resistance of manganese steel materials to improve the lateral impact deformation resistance of the aluminum round tube body 1. Combined with the stiffening beam 2 and the cross support frame 3 arranged inside the tube body 1, they respectively support the axial and radial directions of the inner wall of the tube body 1, further improving the lateral impact deformation resistance of the aluminum round tube body 1. After the plug assembly 5 made of Saigang material is assembled with the two ends of the tube body 1, it supports and protects the tube end to prevent the tube end from collision and deformation, so as to solve the problem that the existing aluminum round tube has poor compressive resistance and the tube body and port parts are easily deformed due to collision and extrusion.

[0034] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A compression-resistant and corrosion-resistant aluminum round tube, comprising an inner and outer double-layer aluminum alloy tube body (1); characterized in that: It also includes a stiffening beam (2), a cross support frame (3), a spiral manganese steel sheath (4), and a plug assembly (5); the surface of the aluminum alloy tube body (1) is coated with an anti-corrosion protective film, the stiffening beam (2) has eight groups and is integrally connected to the inner wall of the tube body (1) at equal intervals, a cross support frame (3) is fixedly connected between one end of the stiffening beam (2) facing the axis direction of the tube body (1), and a plurality of groups of the cross support frames (3) are arranged at equal intervals along the axis direction of the tube body (1), a spiral manganese steel sheath (4) is provided between the inner and outer layers of the tube body (1), and plug assemblies (5) made of Saigang material are respectively inserted and installed at the two ends of the tube body (1).

2. The compression-resistant and corrosion-resistant aluminum round tube according to claim 1, characterized in that: The surface of the stiffening beam (2) is an arc-shaped structure that bulges toward the axis direction of the pipe body (1) and is hollow inside.

3. The compression-resistant and corrosion-resistant aluminum round tube according to claim 1, characterized in that: The connection points between adjacent cross support frames (3) and the same stiffening beam (2) have an intersection angle of 45 degrees.

4. The compression-resistant and corrosion-resistant aluminum round tube according to claim 1, characterized in that: The spiral manganese steel sheath (4) is a spiral with a circular cross section, and the spacing between adjacent spiral rings is 1 cm-1.2 cm. The outer layer of aluminum alloy material of the pipe body (1) is melted and embedded between adjacent spiral rings of the spiral manganese steel sheath (4) and is tightly combined with the inner layer of aluminum alloy material of the pipe body (1).

5. The compression-resistant and corrosion-resistant aluminum round tube according to claim 1, characterized in that: The plug assembly (5) comprises a support ring (501) and a sealing plate (502); the support ring (501) and the sealing plate (502) are both made of a steel material; the support ring (501) is located at the end of the tube body (1) and its outer wall is in close contact with the inner wall of the tube body (1); the sealing plate (502) is fixedly connected to one side of the support ring (501) and is located outside the tube body (1).

6. The pressure-resistant and corrosion-resistant aluminum round tube according to claim 5, characterized in that: The plug assembly (5) further comprises a docking rod (503); eight docking rods (503) are fixedly connected to one end of the support ring (501) facing the inside of the pipe body (1), and the docking rods (503) are plugged into the hollow structure of each stiffening beam (2) one by one.

7. The compression-resistant and corrosion-resistant aluminum round tube according to claim 5, characterized in that: The plug assembly (5) further comprises an insertion rod (504) and a buckle head (505); one end of the support ring (501) facing the inside of the tube body (1) is fixedly connected to two insertion rods (504) whose spacing is consistent with the diameter of the central intersection of the cross support frame (3); and a rubber buckle head (505) with a center seam is fixedly connected between the ends of the insertion rods (504).

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