Zinc alloy sacrificial anode

Abstract

The utility model discloses a zinc alloy sacrificial anode which comprises a buried pipe and a sacrificial anode body installed on the outer surface of the buried pipe through an installation frame, a plurality of first U-shaped frames are installed on the outer surface of the installation frame in a sliding mode, and each first U-shaped frame is provided with a detachable positioning shaft. The outer ring of the positioning shaft is movably sleeved with a first lead screw, the outer ring of the first lead screw is rotationally sleeved with an inner threaded cylinder, the outer ring of the inner threaded cylinder is fixedly sleeved with a clamping plate, and the inner threaded cylinder is rotated to be in threaded fit with the first lead screw to drive the clamping plate to be away from or close to the sacrificial anode body. The first lead screw is in threaded fit with the internal threaded cylinder, so that the clamping plates can be driven to rotate and move, the clamping plates can be fixed on the mounting frame when approaching the sacrificial anode body and abutting against the sacrificial anode body, and the clamping plates can be taken down from the outer surface of the mounting frame after being far away from the sacrificial anode body; and the sacrificial anode body which is completely reacted can be conveniently replaced, and the maintenance difficulty is also reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of sacrificial anodes, in particular to a zinc alloy sacrificial anode. Background Art

[0002] The sacrificial anode is a metal with strong reducing properties as a protective electrode, which is connected to the protected metal through a conductive medium to form a primary cell. In the formed primary cell, the metal with strong reducing properties as the primary cell anode undergoes an oxidation reaction and is gradually consumed as electrons flow out, so that the protected metal as the primary cell cathode can avoid corrosion.

[0003] Existing zinc alloy sacrificial anodes are all directly welded to the outside of the ground pipeline through an iron core. This design makes installation and disassembly inconvenient and increases the difficulty of subsequent maintenance. Utility Model Content

[0004] The utility model aims at solving the problems in the prior art and proposes the following technical solutions:

[0005] A zinc alloy sacrificial anode comprises a buried pipe and a sacrificial anode body mounted on the outer surface of the buried pipe via a mounting frame, wherein a plurality of first C-shaped frames are slidably mounted on the outer surface of the mounting frame, each of the first C-shaped frames is mounted with a detachable positioning shaft, a first screw rod is movably sleeved on the outer ring of the positioning shaft, an inner threaded barrel is rotatably sleeved on the outer ring of the first screw rod, a clamp is fixedly sleeved on the outer ring of the inner threaded barrel, the inner threaded barrel is rotated to drive the clamp away from or close to the sacrificial anode body through cooperation with the first screw rod thread, the clamp can be fixed on the mounting frame when it approaches the sacrificial anode body and conflicts with it, and the clamp can be removed from the outer surface of the mounting frame after it moves away from the sacrificial anode body.

[0006] As a preferred embodiment of the above technical solution, a plurality of thread sleeves are fixedly connected to the outer surface of the mounting frame, the inner ring of the thread sleeve is rotatably sleeved with a second threaded rod, one end of the second threaded rod is fixedly connected to a second knob, and the other end is rotatably connected to a first connecting block, and the first connecting block is fixedly connected to the first U-shaped frame.

[0007] As a preferred embodiment of the above technical solution, a second C-shaped frame is slidably mounted on the outer surface of the mounting frame, and an elastic ferrule is fixedly connected to the interior of the second C-shaped frame. The elastic ferrule is matched in size to the internal threaded barrel and is used to fix the internal threaded barrel.

[0008] As a preferred embodiment of the above technical solution, a second connecting block is fixedly connected to one side of the second U-shaped frame, and the second connecting block is connected to the second screw rod through a bearing.

[0009] As a preferred embodiment of the above technical solution, the outer ring of the internally threaded tube is fixedly sleeved with a first knob, and the outer surface of the first knob is provided with anti-slip grooves.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model can drive the clamping plate to rotate and move by the thread cooperation between the first screw rod and the internal threaded barrel. When the clamping plate is close to the sacrificial anode body and conflicts with it, it can be fixed on the mounting frame. When the clamping plate is away from the sacrificial anode body, it can be removed from the outer surface of the mounting frame, which not only facilitates the replacement of the sacrificial anode body that has been exhausted, but also reduces the difficulty of maintenance.

[0012] 2. The utility model can fix the internal threaded barrel by means of an elastic sleeve, so as to avoid interference to the installation operation caused by the swing of the first screw rod and the internal threaded barrel during the installation of the mounting frame on the buried pipe;

[0013] 3. The utility model can drive the first C-shaped frame and the second C-shaped frame to move linearly through the threaded cooperation between the thread sleeve and the second threaded rod, thereby facilitating the installation of sacrificial anode bodies of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Shown is a schematic diagram of the structure of a zinc alloy sacrificial anode in an embodiment;

[0015] Figure 2 It is shown that Figure 1 A in the figure is an enlarged structural diagram.

[0016] Description of reference numerals:

[0017] 1. Underground pipe; 2. Mounting frame; 3. Sacrificial anode body; 4. First C-shaped frame; 5. Positioning shaft; 6. First screw rod; 7. Internal threaded tube; 8. Clamp; 9. First knob; 10. First connecting block; 11. Thread sleeve; 12. Second screw rod; 13. Second knob; 14. Second C-shaped frame; 15. Elastic ferrule; 16. Second connecting block. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0019] Example

[0020] like Figure 1 and Figure 2As shown, the zinc alloy sacrificial anode comprises a buried pipe 1 and a sacrificial anode body 3 mounted on the outer surface of the buried pipe 1 through a mounting frame 2. A plurality of first C-shaped frames 4 are slidably mounted on the outer surface of the mounting frame 2. At least four first C-shaped frames 4 are provided for fixing the four corners of the sacrificial anode body 3. Each first C-shaped frame 4 is provided with a detachable positioning shaft 5. The cross section of the positioning shaft 5 is "T"-shaped, and the small head is provided with a thread, and a nut is rotatably sleeved. The positioning shaft 5 can be taken out from the first C-shaped frame 4 by separating the nut from the positioning shaft 5. The outer ring of the positioning shaft 5 is movably sleeved with a first screw rod 6, so that the first screw rod 6 can not only rotate with the positioning shaft 5 as the axis, but also move on the outer ring of the positioning shaft 5. The outer ring of the first screw rod 6 is rotatably sleeved with an internal threaded barrel 7, the outer ring of the internal threaded barrel 7 is fixedly sleeved with a clamping plate 8, the outer ring of the internal threaded barrel 7 is fixedly sleeved with a first knob 9, and the outer surface of the first knob 9 is provided with anti-slip grooves.

[0021] The rotation of the internal threaded barrel 7 can drive the clamping plate 8 to move away from or closer to the sacrificial anode body 3 by cooperating with the thread of the first screw rod 6. When the clamping plate 8 is close to the sacrificial anode body 3 and conflicts with it, it can be fixed on the mounting frame 2. When the clamping plate 8 is away from the sacrificial anode body 3, it can be removed from the outer surface of the mounting frame 2, which not only facilitates the replacement of the sacrificial anode body 3 that has been completely reacted, but also reduces the difficulty of maintenance.

[0022] like Figure 2 As shown, the outer surface of the mounting frame 2 is fixedly connected with a plurality of thread sleeves 11, the number of the thread sleeves 11 corresponds to the number of the first C-shaped frame 4, the inner ring of the thread sleeve 11 is rotatably sleeved with a second threaded rod 12, one end of the second threaded rod 12 is fixedly connected with a second knob 13, the periphery of the second knob 13 is provided with an anti-slip groove for increasing friction, and the other end is rotatably connected with a first connecting block 10, and the first connecting block 10 is fixedly connected to the first C-shaped frame 4.

[0023] When the splint 8 does not fix the sacrificial anode body 3, the second screw rod 12 can be driven to rotate by rotating the second knob 13. The rotation of the second screw rod 12 will rotate and move in the inner circle of the screw sleeve 11 through the threaded cooperation with the screw sleeve 11. Since the first connecting block 10 is rotatably connected to the second screw rod 12 and fixedly connected to the first C-shaped frame 4, and the first C-shaped frame 4 is slidably mounted on the outer surface of the mounting frame 2, the second screw rod 12 will drive the first C-shaped frame 4 to move during the movement. The position adjustment of the first C-shaped frame 4 can be used to install sacrificial anode bodies 3 of different lengths.

[0024] like Figure 2As shown, a second C-shaped frame 14 is slidably mounted on the outer surface of the mounting frame 2. The second C-shaped frame 14 and the first C-shaped frame 4 are located on the same axis. An elastic sleeve 15 is fixedly connected to the interior of the second C-shaped frame 14. The elastic sleeve 15 is matched in size with the internal threaded tube 7 and is used to fix the internal threaded tube 7.

[0025] When the clamping plate 8 is away from the sacrificial anode body 3, the first screw rod 6 and the internal threaded tube 7 will swing freely with the positioning shaft 5 as the axis. At this time, after the internal threaded tube 7 is pressed into the inside of the elastic sleeve 15 and engaged with it, the first screw rod 6 and the clamping plate 8 will not be able to swing, thereby not interfering with the installation of the mounting frame 2.

[0026] like Figure 2 As shown, a second connecting block 16 is fixedly connected to one side of the second U-shaped frame 14, and the second connecting block 16 is connected to the second screw rod 12 through a bearing.

[0027] The bearing arrangement allows the second screw rod 12 to continue to rotate without being disturbed by the second connecting block 16 . The second screw rod 12 drives the first C-shaped frame 4 to move while also driving the second C-shaped frame 14 to move.

[0028] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A zinc alloy sacrificial anode, comprising a buried pipe (1) and a sacrificial anode body (3) mounted on the outer surface of the buried pipe (1) via a mounting frame (2), characterized in that: A plurality of first C-shaped frames (4) are slidably mounted on the outer surface of the mounting frame (2), each of the first C-shaped frames (4) being mounted with a detachable positioning shaft (5), the outer ring of the positioning shaft (5) being movably sleeved with a first screw rod (6), the outer ring of the first screw rod (6) being rotatably sleeved with an internal threaded cylinder (7), the outer ring of the internal threaded cylinder (7) being fixedly sleeved with a clamping plate (8), the internal threaded cylinder (7) being rotated to drive the clamping plate (8) away from or close to the sacrificial anode body (3) through threaded engagement with the first screw rod (6), the clamping plate (8) being fixed to the mounting frame (2) when it is close to the sacrificial anode body (3) and in conflict therewith, and the clamping plate (8) being removed from the outer surface of the mounting frame (2) after it is away from the sacrificial anode body (3).

2. The zinc alloy sacrificial anode according to claim 1, characterized in that: The outer surface of the mounting frame (2) is fixedly connected to a plurality of threaded sleeves (11); the inner ring of the threaded sleeve (11) is rotatably sleeved with a second threaded rod (12); one end of the second threaded rod (12) is fixedly connected to a second knob (13); the other end is rotatably connected to a first connecting block (10); the first connecting block (10) is fixedly connected to the first U-shaped frame (4).

3. The zinc alloy sacrificial anode according to claim 2, characterized in that: A second C-shaped frame (14) is slidably mounted on the outer surface of the mounting frame (2), and an elastic clamping sleeve (15) is fixedly connected to the interior of the second C-shaped frame (14). The elastic clamping sleeve (15) is matched in size to the internal threaded barrel (7) and is used to fix the internal threaded barrel (7).

4. The zinc alloy sacrificial anode according to claim 3, characterized in that: A second connecting block (16) is fixedly connected to one side of the second U-shaped frame (14), and the second connecting block (16) is connected to the second screw rod (12) via a bearing.

5. The zinc alloy sacrificial anode according to claim 1, characterized in that: The outer ring of the internal threaded tube (7) is fixedly sleeved with a first knob (9), and the outer surface of the first knob (9) is provided with anti-slip grooves.

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