A salt spray proof cable assembly

Abstract

The utility model relates to the technical field of cables, and discloses a salt-fog proof cable assembly, comprising a plug, a cable is fixedly connected to one side of the plug, a joint is arranged on one side of the plug, a metal rod is fixedly connected to the plug; and also comprises a salt-fog proof structure arranged on the plug; the salt-fog proof structure comprises a sealing ring arranged on the outer side of the metal rod, an air outlet fixed on the sealing ring, an air distribution pipe opened on the rear side of the air outlet, an air converging area arranged on one side of the air distribution pipe, an air inlet pipe arranged on one side of the air converging area, an air transmission block fixed on the upper side of the air inlet pipe, an air inlet one-way valve fixed on the inner side of the air transmission block, an interior of a slot is passed to discharge salt-fog gas from the interior of a device through heavier inert gas, and finally two one-way valves are closed, so as to seal the interior, and can reduce the corrosion effect of salt-fog gas retained in the interior of the device on the metal conductor to the greatest extent, thereby avoiding salt-fog corrosion at the joint.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a salt-fog proof cable assembly. Background Art

[0002] Salt spray refers to a dispersion system composed of tiny salt droplets in the atmosphere. It is highly corrosive and can easily form highly acidic metal salts with active metals, which can easily damage man-made equipment.

[0003] Cable assemblies are components used to connect and protect cables, including connectors, joints, pigtails, etc.

[0004] In sites near the sea, cables have to withstand salt spray corrosion all the time, because there are exposed metal and slots at the cable joints. The exposed metal is easily corroded by salt spray, and the slots are easy to allow air with salt spray to gather, so the corrosion of the joints is more serious. In addition, due to the influence of the sea breeze, the cable part is shaken by the sea breeze, and its joints are prone to loosening, causing the joints to fall off. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The problem that the cable joints are easily corroded by salt spray is solved; the problem that the cable joints are easily shaken loose and fall off by the sea breeze is solved.

[0007] (II) Technical solution

[0008] To achieve the above object, the utility model provides the following technical solution: a salt spray proof cable assembly, comprising a plug, a cable is fixedly connected to one side of the plug, a connector is provided on one side of the plug, and a metal rod is fixedly connected to the plug;

[0009] Also included is a salt spray protection structure disposed on the plug;

[0010] The anti-salt spray structure includes a sealing ring arranged on the outside of the metal rod, an air outlet fixed on the sealing ring, an air distribution pipe opened on the rear side of the air outlet, an air converging area arranged on one side of the air distribution pipe, an air intake pipe arranged on one side of the air converging area, an air delivery block fixed on the upper side of the air intake pipe, and an air intake one-way valve fixed on the inner side of the air delivery block.

[0011] Preferably, a slot is provided on the inner side of the connector, and a connecting end is fixedly connected to the inner side of the slot.

[0012] Preferably, an air outlet one-way valve is provided on the outer side of the slot, and the air outlet one-way valve is connected to the inner side of the slot.

[0013] Preferably, the sealing ring is divided into two layers, the middle side is an air inlet duct connected to the air outlet, and the outer side is a rubber ring for sealing the slot, and a mounting structure is provided on the plug.

[0014] Preferably, the mounting structure includes a mounting plate fixed on the plug, a threaded hole provided on the mounting plate, and a limiting groove provided on the connector.

[0015] Preferably, a thread groove is provided on the joint, and a screw is provided on the upper side of the joint.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a salt spray proof cable assembly, which has the following beneficial effects:

[0018] 1. The metal connection part inside the slot can be sealed by the sealing ring, and the gas is input into the air inlet pipe, the gas collection area and the gas distribution pipe through the gas transmission block, and finally discharged from the gas outlet and passed into the interior of the slot to discharge the salt spray gas from the interior of the device through the heavier inert gas, and finally the two one-way valves are closed to seal the interior, which can minimize the corrosion of the salt spray gas retained inside the device on the metal conductor, thereby avoiding salt spray corrosion at the joint.

[0019] 2. Connecting the mounting plate and the connector by screws can strengthen the connection between the plug and the connector to ensure that the positional relationship between the two does not change, and prevent the plug from loosening due to external forces such as sea breeze, thereby keeping the connection between the plug and the connector stable and avoiding disconnection problems that may cause salt spray gas to enter the slot again. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the plug of the utility model;

[0022] Figure 3 This is a schematic diagram of the salt spray protection structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the gas transmission block of the utility model;

[0024] Figure 5 This is a schematic diagram of the joint structure of the utility model.

[0025] In the figure: 1. plug; 11. cable; 12. connector; 13. metal rod; 14. slot; 15. connection end; 21. sealing ring; 22. air outlet; 23. air distribution pipe; 24. air converging area; 25. air inlet pipe; 26. air delivery block; 27. air inlet check valve; 28. air outlet check valve; 31. mounting plate; 32. threaded hole; 33. limit groove; 34. threaded groove; 35. screw. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] Example 1

[0028] Reference Figure 1-4 , which is the first embodiment of the utility model, provides a salt spray proof cable assembly, including a plug 1, the main body of the plug 1 is in the shape of a cylinder, and the metal rod 13 thereon is connected to the cable 11 at the rear side, one side of the plug 1 is fixedly connected to the cable 11, and the outer protective layer of the cable 11 includes an anti-corrosion layer, a waterproof, a fireproof coating, etc., and one side of the plug 1 is provided with a joint 12, the joint 12 is a regular hexagonal cylinder, three faces of which are used to install an exhaust check valve 28 for exhaust, and the other three faces are used to install and fix the plug 1, the joint 12 is used to connect with the plug 1, and the plug 1 is fixedly connected to the metal rod 13, and there are three metal rods 13, which are evenly fixed on the plug 1;

[0029] It also includes a salt spray protection structure arranged on the plug 1;

[0030] The anti-salt spray structure includes a sealing ring 21 arranged on the outside of the metal rod 13, an air outlet 22 fixed on the sealing ring 21, a total of three air outlets 22, evenly fixed on the middle side of the sealing ring 21, and the end of the air outlet 22 is a connected pipe, and a gas distribution pipe 23 is opened on the rear side of the air outlet 22. The gas distribution pipe 23 is used to connect the connecting pipes on the rear sides of each air outlet 22, and is used to transport the inert gas sent to the gas collection area 24 to each air outlet 22. The gas collection pipe 23 is arranged on one side of the gas distribution pipe 23. Area 24, the gas collection area 24 is connected to the air intake pipe 25, the air intake pipe 25 is arranged on one side of the air collection area 24, the air intake pipe 25 is connected to the air delivery block 26 outside the plug 1, the air delivery block 26 is fixed on the upper side of the air intake pipe 25, the air delivery block 26 is divided into a connecting part, one part is a pipeline connected to the air intake pipe 25, and the other part is a circular hole connected to the air intake check valve 27, the air intake check valve 27 is fixed on the inner side of the air delivery block 26, and the air intake check valve 27 can only allow gas to enter in the direction of the air delivery block 26.

[0031] A slot 14 is provided on the inner side of the connector 12 . The slot 14 is a circular groove corresponding to the position of the metal rod 13 . The connecting end 15 is used to contact the metal rod 13 and is a metal conductor. The connecting end 15 is fixedly connected to the inner side of the slot 14 .

[0032] An air outlet check valve 28 is provided on the outside of the slot 14, and the air outlet check valve 28 is connected to the inside of the slot 14. The air outlet check valve 28 connects the inside of the slot 14 and the outside atmosphere. The air outlet check valve 28 can only allow the gas from the slot 14 to pass toward the outside, and the air inlet check valve 27 and the air outlet check valve 28 can be closed separately.

[0033] The sealing ring 21 is divided into two layers. The middle side is an air inlet duct connected to the air outlet 22 , and the outer side is a rubber ring for sealing the slot 14 . A mounting structure is provided on the plug 1 .

[0034] During use, first connect the plug 1 and the connector 12. At this time, the sealing ring 21 will be stuck in the slot 14, so as to seal the internal space of the slot 14 as much as possible. Although the internal space of the slot 14 has been sealed as much as possible, as long as the plug 1 is plugged in and out, some salt mist will always enter it. Therefore, after the plug 1 and the connector 12 are connected, it is necessary to pass an inert gas into the air intake check valve 27. The gas does not react with metal and is heavier than the salt mist gas. Therefore, the gas will first pass through the air intake check valve 27 into the gas delivery block 26, and then enter the air intake pipe 25 from the gas delivery block 26. The inert gas entering the air intake pipe 25 will first enter the gas collection The inert gas enters the slot 14 and then is transported to the terminal connecting pipes of each gas outlet 22 by the gas distribution pipe 23 connected to the gas converging zone 24, and finally is transported to the slot 14 by the gas outlet 22. The inert gas entering the slot 14 will displace the salt mist gas because it is heavier than the salt mist gas, so that the salt mist gas is discharged from the gas outlet check valve 28. After the inert gas is continuously introduced for a period of time, after ensuring that the introduction time is long enough, the gas inlet check valve 27 and the gas outlet check valve 28 can be closed to complete the storage of the internal inert gas, so that the slot 14 is filled with inert gas, which can prevent the sealing ring 21 from being entered by salt mist gas again, and can also ensure that there is no salt mist gas inside.

[0035] Example 2

[0036] Reference Figure 1-5, which is the second embodiment of the utility model. This embodiment is different from the first embodiment in that: the mounting structure includes a mounting plate 31 fixed on the plug 1, the mounting plate 31 is fixed on the surface of the plug 1 on which the metal rod 13 is installed, and is 60° apart from the metal rod 13. There are also three of them, which are evenly arranged on the plug 1, and the mounting plate 31 is divided into two parts, the part close to the plug 1 is a straight plate, and the part away from the plug 1 is a semicircular plate, a threaded hole 32 is opened on the mounting plate 31, and the threaded hole 32 is opened at the connection between the semicircular plate and the straight plate of the mounting plate 31, and a limiting groove 33 is opened on the joint 12, and the position of the limiting groove 33 corresponds to the position of the mounting plate 31, and there are also three limiting grooves 33, which are evenly arranged on the joint 12.

[0037] A thread groove 34 is provided on the joint 12, and the thread groove 34 is provided in the limiting groove 33. The thread of the thread groove 34 and the thread in the threaded hole 32 are the same thread, that is, the pitch and direction are the same. A screw 35 is provided on the upper side of the joint 12, and the screw 35 is used to connect the mounting plate 31 and the joint 12.

[0038] During use, when the plug 1 is inserted into the connector 12, the metal rod 13 and the connecting end 15 are in contact. In this state, the mounting plate 31 is located in the limiting groove 33, and the positions of the threaded hole 32 and the threaded groove 34 correspond. At this time, the screw 35 is installed into the threaded hole 32 and the threaded groove 34 to lock the position of the mounting plate 31 and the connector 12, so that external forces such as sea breeze cannot cause the plug 1 to shake due to shaking, thereby preventing the plug 1 from falling off from the connector 12 due to external force.

[0039] The remaining structures are the same as those of Example 1.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A salt spray proof cable assembly, comprising a plug (1), a cable (11) being fixedly connected to one side of the plug (1), a connector (12) being provided on one side of the plug (1), and a metal rod (13) being fixedly connected to the plug (1); Features: Also included is a salt spray protection structure arranged on the plug (1); The anti-salt spray structure comprises a sealing ring (21) arranged on the outside of the metal rod (13), an air outlet (22) fixed on the sealing ring (21), an air distribution pipe (23) opened on the rear side of the air outlet (22), an air collection area (24) arranged on one side of the air distribution pipe (23), an air intake pipe (25) arranged on one side of the air collection area (24), an air delivery block (26) fixed on the upper side of the air intake pipe (25), and an air intake check valve (27) fixed on the inner side of the air delivery block (26).

2. The salt spray proof cable assembly according to claim 1, characterized in that: A slot (14) is provided on the inner side of the joint (12), and a connection end (15) is fixedly connected to the inner side of the slot (14).

3. The salt spray proof cable assembly according to claim 2, characterized in that: An air outlet one-way valve (28) is provided on the outer side of the slot (14), and the air outlet one-way valve (28) is connected to the inner side of the slot (14).

4. The salt spray proof cable assembly according to claim 1, characterized in that: The sealing ring (21) is divided into two layers, the middle side is an air inlet duct connected to the air outlet (22), and the outer side is a rubber ring for sealing the slot (14). The plug (1) is provided with a mounting structure.

5. The salt spray proof cable assembly according to claim 4, characterized in that: The mounting structure comprises a mounting plate (31) fixed on the plug (1), a threaded hole (32) provided on the mounting plate (31), and a limiting groove (33) provided on the connector (12).

6. The salt spray proof cable assembly according to claim 1, characterized in that: The joint (12) is provided with a thread groove (34), and a screw (35) is arranged on the upper side of the joint (12).

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