Anti-rust aluminum alloy fine extraction aluminum pipe

Abstract

The utility model relates to the technical field of fine extraction aluminum pipes, and discloses an anti-rust aluminum alloy fine extraction aluminum pipe which comprises an aluminum pipe, a blocking assembly is arranged in an end opening of the aluminum pipe, an anti-rust assembly is movably arranged outside the aluminum pipe in a sleeved mode, and the anti-rust assembly comprises an upper covering shell and a lower covering shell which are movably connected outside the aluminum pipe in a sleeved mode. Rust removal brushes are arranged on the inner sides, close to the aluminum pipe, of the upper covering shell and the lower covering shell, round holes are formed in the upper covering shell and the lower covering shell in a penetrating mode, sliding rods are arranged in the round holes, the two ends of the sliding rods penetrate through the round holes and extend to the outer portions of the upper covering shell and the lower covering shell, and spiral concave grain blocks are connected to the front ends of the sliding rods; the inner side of the spiral concave grain block is movably connected with a spiral convex grain block, one side of the spiral convex grain block is arranged on the end opening portion of the aluminum pipe, a reset spring is arranged outside the sliding rod, and the upper covering shell and the lower covering shell are repeatedly pulled by the reset spring to move back and forth in a reciprocating mode, so that the rust removal brush continuously cleans stains on the outer wall of the aluminum pipe. And the aluminum pipe is prevented from being corroded by long-time stains.

Description

Technical Field

[0001] The utility model relates to the technical field of precision-drawn aluminum tubes, in particular to an anti-rust aluminum alloy precision-drawn aluminum tube. Background Art

[0002] Precision drawn aluminum tube refers to the use of extruded aluminum tube and rolled aluminum tube as raw materials. The aluminum tube processed by this processing method has high precision, smooth inner and outer surfaces, and the best mechanical properties among the three. It is commonly used in daily life such as luggage pull rods, film and television tripods, heating plates of electric heating equipment, oil pipelines of automobiles and aerospace, and laser faxes. Due to its better performance, it is widely loved by consumers.

[0003] Chinese patent document CN105371008A discloses an antifreeze aluminum tube, comprising an inner aluminum tube, an antifreeze sleeve and an outer aluminum tube, wherein an antifreeze sleeve is arranged between the inner aluminum tube and the outer aluminum tube, the antifreeze sleeve comprises a protruding portion protruding outward and flat portions located on both sides of the protruding portion, the protruding portion is filled with a heating wire and a heat-insulating material, the top of the protruding portion is fixed on the inner side wall of the outer aluminum tube, and the flat portion is fixed on the outer side wall of the inner aluminum tube. The present invention can timely transfer heat to the inner aluminum tube by arranging an inner aluminum tube, an antifreeze sleeve and an outer aluminum tube, and arranging a heating wire and a heat-insulating material in the antifreeze sleeve, while isolating the external low temperature outside the outer aluminum tube, thereby ensuring that the liquid in the inner aluminum tube will not be affected by the external temperature, and the heat-insulating material ensures that the temperature will not be lost. This antifreeze aluminum tube is not only simple in structure, but also has a good use effect. However, under long-term high-intensity work, precision-drawn aluminum tubes are prone to corrosion in special environments such as humidity, rain, high temperature, and dust, and their service life is low without protective measures.

[0004] Therefore, in order to solve such problems, we propose an anti-rust aluminum alloy precision drawn aluminum tube. Utility Model Content

[0005] The purpose of the utility model is to provide a rust-proof aluminum alloy precision-drawn aluminum tube, aiming to solve the problem in the above-mentioned background technology that the existing aluminum alloy precision-drawn aluminum tube is easily corroded under long-term high-intensity work in special environments such as humidity, rain, high temperature, dust, etc., and has a low service life without protective measures.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-corrosion aluminum alloy precision-drawn aluminum tube, comprising an aluminum tube, a plugging component is arranged inside the port of the aluminum tube, and an anti-rust component is arranged on the outer movable sleeve of the aluminum tube;

[0007] The rust-proof component includes an upper covering shell and a lower covering shell which are movably sleeved on the outside of the aluminum tube. Rust removal brushes are arranged on the inner sides of the upper covering shell and the lower covering shell near the aluminum tube. The ends of the rust removal brushes fit the outer wall of the aluminum tube. Circular holes are penetrated in the interiors of the upper covering shell and the lower covering shell. A sliding rod is arranged inside the circular hole. Both ends of the sliding rod penetrate the circular hole and extend to the outsides of the upper covering shell and the lower covering shell. The front end of the sliding rod is connected to a spiral concave pattern block. The inner side of the spiral concave pattern block is movably connected to a spiral convex pattern block. One side of the spiral convex pattern block is arranged at the end of the aluminum tube. A reset spring is arranged outside the sliding rod.

[0008] Preferably, the outer parts of the upper cover shell and the lower cover shell are fixedly sleeved with buffer rings, the upper cover shell and the lower cover shell are movably connected via a fixing assembly, and a limiting block is provided at one end of the slide rod away from the spiral groove block.

[0009] Preferably, an insertion groove is provided inside the upper end of the lower covering shell, and a clamping groove is provided on the inner side wall of the lower covering shell, and the clamping groove is communicated with the inside of the insertion groove.

[0010] Preferably, the fixing assembly includes extension blocks installed on both sides of the lower end of the upper covering shell, a through groove is opened on the inner side of the extension block, a movable groove is arranged inside the extension block, a pushing spring is arranged inside the movable groove, one end of the pushing spring is connected to a moving block, and the moving block is movably arranged inside the through groove.

[0011] Preferably, the blocking assembly includes an annular block movably arranged inside the aluminum tube, a filter screen is arranged on the inner side of the annular block, a connecting rod is arranged on the side of the annular block close to the aluminum tube port, and a traction rope is connected to the end of the connecting rod away from the annular block.

[0012] Preferably, a rope groove is provided inside the spiral groove block, one end of the traction rope away from the connecting rod is arranged inside the rope groove, and a protective pad is provided outside the annular block.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, firstly, the upper covering shell and the lower covering shell are moved back and forth under the repeated pulling of the reset spring, so that the rust removing brush continuously cleans the stains on the outer wall of the aluminum tube, thereby preventing the stains from rusting the aluminum tube for a long time, and preventing debris from entering the inside of the aluminum tube and accumulating to rust the inner side of the aluminum tube through the blocking component. The device is simple to operate and easy to use, and the rust progress of the aluminum tube is delayed through protective measures, thereby increasing the service life of the aluminum tube and improving the utilization efficiency of the aluminum tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional schematic diagram of an anti-rust aluminum alloy precision-drawn aluminum tube proposed by the utility model;

[0016] Figure 2This is a schematic structural diagram of an upper covering shell in a rust-proof aluminum alloy precision-drawn aluminum tube proposed by the utility model;

[0017] Figure 3 This is a schematic structural diagram of a lower covering shell in a rust-proof aluminum alloy precision-drawn aluminum tube proposed by the utility model;

[0018] Figure 4 This is a three-dimensional exploded view of an anti-rust component in an anti-rust aluminum alloy precision-drawn aluminum tube proposed by the utility model;

[0019] Figure 5 The utility model is a schematic diagram of the structure of a plugging component in a rust-proof aluminum alloy precision-drawn aluminum tube.

[0020] Legend:

[0021] 1. Aluminum tube; 2. Anti-rust component; 21. Upper cover shell; 22. Lower cover shell; 221. Insertion slot; 222. Card slot; 23. Rust removal brush; 24. Round hole; 25. Slide rod; 251. Limit block; 26. Spiral concave block; 261. Through slot; 27. Spiral convex block; 28. Reset spring; 3. Buffer ring; 4. Fixed component; 41. Extension block; 42. Rope slot; 43. Movable slot; 44. Push spring; 45. Moving block; 5. Blocking component; 51. Ring block; 511. Protective pad; 52. Filter; 53. Connecting rod; 54. Traction rope. DETAILED DESCRIPTION

[0022] 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.

[0023] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Reference Figure 1-5 The utility model provides an embodiment: an anti-corrosion aluminum alloy precision-drawn aluminum tube, comprising an aluminum tube 1, a blocking component 5 is arranged inside the port of the aluminum tube 1 to prevent debris from entering the aluminum tube 1 and accumulating inside the aluminum tube 1, and the outer movable sleeve of the aluminum tube 1 is provided with an anti-rust component 2;

[0025] The rust-proof component 2 includes an upper cover shell 21 and a lower cover shell 22 which are movably sleeved on the outside of the aluminum tube 1. The upper cover shell 21 and the lower cover shell 22 are movably connected through a fixing component 4. Rust-removing brushes 23 are arranged on the inner side of the upper cover shell 21 and the lower cover shell 22 near the aluminum tube 1. The ends of the rust-removing brushes 23 fit the outer wall of the aluminum tube 1. A circular hole 24 is formed through the interior of the upper cover shell 21 and the lower cover shell 22. A sliding rod 25 is arranged inside the circular hole 24. Both ends of the sliding rod 25 extend through the circular hole 24 to the outside of the upper cover shell 21 and the lower cover shell 22. The front end of the sliding rod 25 is connected with a spiral groove. The inner side of the spiral groove block 26 is movably connected with the spiral convex block 27, one side of the spiral convex block 27 is arranged at the end of the aluminum tube 1, and a return spring 28 is arranged outside the slide rod 25, one end of the return spring 28 is connected to the inside of the spiral groove block 26, and the other end of the return spring 28 is connected to the inside of the upper covering shell 21 and the lower covering shell 22. When the aluminum tube 1 moves, the upper covering shell 21 and the lower covering shell 22 move back and forth under the repeated pulling of the return spring 28, so that the rust removal brush 23 continuously cleans the stains on the outer wall of the aluminum tube 1 to prevent the aluminum tube 1 from being rusted by stains for a long time.

[0026] The upper cover shell 21 and the lower cover shell 22 are fixedly sleeved with a buffer ring 3 on the outside. The buffer ring 3 protrudes from the outer surface of the upper cover shell 21 and the lower cover shell 22. The buffer ring 3 reduces the external collision with the aluminum tube 1 to prevent the aluminum tube 1 from being damaged by the collision and accelerating rust. The upper cover shell 21 and the lower cover shell 22 are movably connected by the fixing component 4, which is convenient for disassembly or reinstallation and saves more effort during maintenance. A limit block 251 is provided at one end of the slide bar 25 away from the spiral groove block 26, and a return spring 28 is provided on the side of the limit block 251 close to the slide bar 25. The return spring 28 is sleeved on the outside of the slide bar 25, and the front end of the return spring 28 is connected to the upper cover shell 21 and the lower cover shell 22. The return springs 28 at the front and rear ends pull each other to achieve reciprocating movement of the upper cover shell 21 and the lower cover shell 22.

[0027] An insertion slot 221 is provided inside the upper end of the lower cover shell 22, and a clamping slot 222 is provided on the inner wall of the lower cover shell 22. The clamping slot 222 is connected to the inside of the insertion slot 221, and enters the insertion slot 221 through the fixing component 4. The clamping slot 222 clamps the fixing component 4 to connect the upper cover shell 21 and the lower cover shell 22.

[0028] The fixing assembly 4 includes an extension block 41 installed on both sides of the lower end of the upper cover shell 21, a through groove 42 is opened on the inner side surface of the extension block 41, a movable groove 43 is arranged inside the extension block 41, and a push spring 44 is arranged inside the movable groove 43, one end of the push spring 44 is fixedly connected to the extension block 41, and the other end of the push spring 44 is connected to a moving block 45, which is movably arranged inside the through groove 42, enters the insertion groove 221 through the extension block 41, and the push spring 44 pops out the moving block 45 from the card slot 222, so that the moving block 45 is stuck, thereby fixing the upper cover shell 21 and the lower cover shell 22.

[0029] The blocking component 5 includes an annular block 51 movably arranged inside the aluminum tube 1, a filter screen 52 is arranged on the inner side of the annular block 51, a connecting rod 53 is arranged on the side of the annular block 51 close to the end of the aluminum tube 1, and a traction rope 54 is connected to the end of the connecting rod 53 away from the annular block 51. The filter screen 52 prevents debris from entering the aluminum tube 1 and accumulating to cause rust on the inner side of the aluminum tube 1. The traction rope 54 can pull out the annular block 51 and clean the debris on the filter screen 52 regularly.

[0030] A rope groove 261 is provided inside the spiral groove block 26, and one end of the traction rope 54 away from the connecting rod 53 is provided inside the rope groove 261 to fix the annular block 51 inside the aluminum tube 1 to prevent the annular block 51 from detaching when the aluminum tube 1 is transported. A protective pad 511 is provided outside the annular block 51 to prevent the aluminum tube 1 from being damaged when the annular block 51 moves.

[0031] Working principle: First, the upper covering shell 21 and the lower covering shell 22 move back and forth under the repeated pulling of the reset spring 28, so that the rust removal brush 23 continuously cleans the stains on the outer wall of the aluminum tube 1 to prevent the stains from rusting the aluminum tube 1 for a long time. The filter screen 52 prevents debris from entering the inside of the aluminum tube 1 and accumulating, causing rust on the inside of the aluminum tube 1. The traction rope 54 can pull out the annular block 51 to regularly clean the debris on the filter screen 52. The buffer ring 3 protrudes from the outer surfaces of the upper covering shell 21 and the lower covering shell 22. The buffer ring 3 reduces the external collision with the aluminum tube 1 to prevent the aluminum tube 1 from being damaged by the collision and accelerating the rust.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 rust-proof aluminum alloy precision-drawn aluminum tube, comprising an aluminum tube (1), characterized in that: A plugging component (5) is provided inside the port of the aluminum tube (1), and an anti-rust component (2) is provided on the outer movable sleeve of the aluminum tube (1); The rust-proof component (2) comprises an upper cover shell (21) and a lower cover shell (22) which are movably sleeved on the outside of the aluminum tube (1); a rust-removing brush (23) is arranged on the inner side of the upper cover shell (21) and the lower cover shell (22) close to the aluminum tube (1); the end of the rust-removing brush (23) is in contact with the outer wall of the aluminum tube (1); a circular hole (24) is formed through the inner side of the upper cover shell (21) and the lower cover shell (22); a slide bar (25) is arranged inside the circular hole (24); both ends of the slide bar (25) pass through the circular hole (24) and extend to the outside of the upper cover shell (21) and the lower cover shell (22); a spiral groove block (26) is connected to the front end of the slide bar (25); a spiral convex groove block (27) is movably connected to the inner side of the spiral groove block (26); one side of the spiral convex groove block (27) is arranged at the end of the aluminum tube (1); and a return spring (28) is arranged outside the slide bar (25).

2. The anti-corrosion aluminum alloy precision-drawn aluminum tube according to claim 1, characterized in that: The outer parts of the upper cover shell (21) and the lower cover shell (22) are fixedly sleeved with a buffer ring (3); the upper cover shell (21) and the lower cover shell (22) are movably connected via a fixing assembly (4); and a limit block (251) is provided at one end of the slide rod (25) away from the spiral groove block (26).

3. The anti-corrosion aluminum alloy precision-drawn aluminum tube according to claim 1, characterized in that: An insertion groove (221) is provided inside the upper end of the lower covering shell (22), and a clamping groove (222) is provided on the inner side wall of the lower covering shell (22), and the clamping groove (222) is communicated with the inside of the insertion groove (221).

4. The anti-corrosion aluminum alloy precision-drawn aluminum tube according to claim 2, characterized in that: The fixing assembly (4) comprises an extension block (41) mounted on both sides of the lower end of the upper cover shell (21); a through slot (42) is provided on the inner side surface of the extension block (41); a movable slot (43) is provided inside the extension block (41); a push spring (44) is provided inside the movable slot (43); one end of the push spring (44) is connected to a moving block (45); and the moving block (45) is movably arranged inside the through slot (42).

5. The anti-corrosion aluminum alloy precision-drawn aluminum tube according to claim 1, characterized in that: The blocking assembly (5) comprises an annular block (51) movably arranged inside the aluminum tube (1), a filter screen (52) being arranged on the inner side of the annular block (51), a connecting rod (53) being arranged on the side of the annular block (51) close to the port of the aluminum tube (1), and a traction rope (54) being connected to one end of the connecting rod (53) away from the annular block (51).

6. The anti-corrosion aluminum alloy precision-drawn aluminum tube according to claim 1, characterized in that: A rope groove (261) is provided inside the spiral groove block (26), one end of the traction rope (54) away from the connecting rod (53) is provided inside the rope groove (261), and a protection pad (511) is provided outside the annular block (51).

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