Low-voltage shore power plug assembly

Abstract

The utility model is suitable for the technical field of plug-in assemblies, and provides a low-voltage shore power plug-in assembly, which comprises an interface piece and a plug piece, and the outer walls of a first end and a second end are respectively provided with a closed structure and a protection structure. According to the utility model, the sealing structure and the protection structure are arranged, the first port is sealed by the sealing plate and the threaded cover is in threaded connection with the sleeve through the connection of the insertion block and the installation groove, so that the interface and the plug are protected from being corroded by water vapor; during connection, the closing plate is rotated and opened by pulling the handle, so that the interface is exposed; the threaded cover is rotated through the handle, so that the threaded cover is separated from the sleeve, the plug is exposed, and then through mutual butt joint between the connecting groove and the connecting block, butt joint of the interface and the plug is completed; when the interface and the plug are in butt joint, the sleeve is rotated to enable the first end head to be in threaded connection with the sleeve through the threads, so that the connection force between the first end head and the second end head is increased, the pressure borne by the interface and the plug is reduced, and the interface and the plug are protected.

Description

Technical Field

[0001] The utility model belongs to the technical field of plug-in components, in particular to a low-voltage shore power plug-in component. Background Art

[0002] When a ship is docked at a port, it usually needs to connect to the port's shore power supply, that is, the port needs to provide shore power supply during the period of docking. Using shore power supply can shut down all the generator sets on board, which can not only reduce the number of people on duty, but also perform normal maintenance on the generator sets. It is of great significance in terms of energy conservation, emission reduction, noise reduction, and green environmental protection.

[0003] In rainy weather, the connector will be placed in a position where it cannot be reached by rain, but because the air is humid, water vapor will enter the connector through the gap and cause corrosion to the parts inside the connector. At the same time, when connecting to shore power, the movement of the water flow will cause the cable to move continuously, causing the interface to be constantly plugged in and out, thereby damaging the internal structure of the connector. Utility Model Content

[0004] The utility model provides a low-voltage shore power plug assembly, aiming to solve the problem that the connector is easily damaged as mentioned in the above background technology.

[0005] The utility model is implemented as follows: a low-voltage shore power plug assembly includes an interface component and a plug component, wherein the interface component includes a terminal 1 connected to an external electrical box through a wire, and the plug component includes a terminal 2 connected to an external electrical appliance through a wire, and the outer walls of the terminal 1 and the terminal 2 are respectively provided with a closed structure and a protective structure, and the closed structure and the protective structure are respectively used to protect the terminal 1 and the terminal 2;

[0006] The closing structure comprises a fixed block, a straight notch, a rotating member, a closing plate, an insert block, a mounting slot and a handle;

[0007] The fixed block is formed on the outer wall of the first end, the straight slot is opened inside the fixed block, one end of the rotating member is slidably connected to the inside of the straight slot, the closing plate is fixedly connected to one end of the rotating member, a plurality of circumferentially distributed plug blocks are fixedly connected to one side of the closing plate, the mounting groove is opened inside the first end and matches the plug block, the handle is fixedly connected to the other side of the closing plate, and the outer wall of the first end is formed with screw patterns.

[0008] Preferably, the outer wall of the first end is provided with a notch matching the rotating member.

[0009] Preferably, the protective structure comprises a sleeve, a threaded cover, a handle, a collar and a connecting strap;

[0010] The sleeve is rotatably connected to the outer wall of the second end, the threaded cover is threadedly connected to the inside of the sleeve, the handle is fixedly connected to the outer wall of one end of the threaded cover, the two collars are respectively sleeved on the outer walls of the second end and the threaded cover, and the two ends of the connecting belt are respectively fixedly connected to the two collars;

[0011] The internal thread of the sleeve matches the thread of the screw.

[0012] Preferably, the interface member further comprises an interface and a connection groove;

[0013] The interface is arranged on the inner side of the first terminal, and the connection groove is opened inside the first terminal;

[0014] The plug member also includes a plug and a connection block;

[0015] The plug is arranged inside the second terminal, and the connecting block is formed inside the second terminal;

[0016] The connection groove and the connection block are matched in shape and size, and a protrusion for positioning is formed on the outer wall of the connection block.

[0017] Preferably, the length of the insert block is smaller than the length of the rotating member, and there is an interference fit between the insert block and the mounting groove.

[0018] Preferably, the length of the connecting band is greater than the length of the threaded cap.

[0019] Preferably, the threaded connection force between the sleeve and the screw thread is greater than the external pulling force.

[0020] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0021] The utility model provides a closing structure and a protection structure, and connects the plug block and the installation groove so that the closing plate closes the port one and the threaded cover is connected to the sleeve, so as to protect the interface and the plug from being corroded by water vapor; when making a connection, the closing plate is rotated and opened by pulling the handle to expose the interface; the threaded cover is rotated by the handle to separate the threaded cover from the sleeve to expose the plug, and then the interface and the plug are connected by the mutual docking between the connecting groove and the connecting block; when the interface and the plug are connected, the sleeve is rotated to make the end one threadedly connected to the sleeve through the screw thread, so as to increase the connection force between the end one and the end two, reduce the pressure on the interface and the plug, and thus protect the interface and the plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram provided by the utility model;

[0023] Figure 2 It is a structural schematic diagram of the closed structure provided by the utility model;

[0024] Figure 3 It is a structural schematic diagram of a closed structure provided by the utility model from another perspective;

[0025] Figure 4 It is a structural schematic diagram of the protection structure provided by the utility model.

[0026] In the figure: 1. interface part; 101. terminal one; 102. interface; 103. connecting groove; 2. plug part; 201. terminal two; 202. plug; 203. connecting block; 3. closing structure; 301. fixing block; 302. straight notch; 303. rotating part; 304. closing plate; 305. plug block; 306. mounting groove; 307. handle; 308. screw thread; 4. protective structure; 401. sleeve; 402. threaded cover; 403. handle; 404. ring; 405. connecting belt. DETAILED DESCRIPTION

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0028] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0029] The utility model embodiment provides a low-voltage shore power plug assembly, such as Figure 1-4 As shown, it includes an interface component 1 and a plug component 2, the interface component 1 includes a terminal 101 connected to an external electrical box through a wire, and the plug component 2 includes a terminal 201 connected to an external electrical appliance through a wire, and the outer walls of the terminal 101 and the terminal 201 are respectively provided with a closed structure 3 and a protective structure 4, and the closed structure 3 and the protective structure 4 are used to protect the terminal 101 and the terminal 201 respectively;

[0030] The closing structure 3 includes a fixed block 301, a straight notch 302, a rotating member 303, a closing plate 304, an insert block 305, a mounting slot 306 and a handle 307;

[0031] The fixing block 301 is formed on the outer wall of the end 101, the straight slot 302 is opened inside the fixing block 301, one end of the rotating member 303 is slidably connected to the inside of the straight slot 302, the closing plate 304 is fixedly connected to one end of the rotating member 303, a plurality of circumferentially distributed plug blocks 305 are fixedly connected to one side of the closing plate 304, the mounting groove 306 is opened inside the end 101 and matches the plug blocks 305, the handle 307 is fixedly connected to the other side of the closing plate 304, and the outer wall of the end 101 is formed with a screw thread 308;

[0032] The outer wall of the end 101 is provided with a notch matching the rotating member 303;

[0033] The protection structure 4 includes a sleeve 401, a threaded cover 402, a handle 403, a collar 404 and a connecting belt 405;

[0034] The sleeve 401 is rotatably connected to the outer wall of the second end 201, the threaded cover 402 is threadedly connected to the inside of the sleeve 401, the handle 403 is fixedly connected to the outer wall of one end of the threaded cover 402, the two collars 404 are respectively sleeved on the outer walls of the second end 201 and the threaded cover 402, and the two ends of the connecting belt 405 are respectively fixedly connected to the two collars 404;

[0035] The internal thread of the sleeve 401 matches the screw thread 308;

[0036] The interface member 1 further includes an interface 102 and a connection groove 103;

[0037] The interface 102 is disposed on the inner side of the terminal 101, and the connection slot 103 is opened inside the terminal 101;

[0038] The plug member 2 further includes a plug 202 and a connection block 203;

[0039] The plug 202 is disposed inside the second terminal 201, and the connecting block 203 is formed inside the second terminal 201;

[0040] The connection groove 103 and the connection block 203 match in shape and size, and the outer wall of the connection block 203 is formed with a protrusion for positioning.

[0041] In this embodiment, when the device is placed in daily use, the closing plate 304 closes the port 101, the plug block 305 is connected to the mounting groove 306 to close the gap between the closing plate 304 and the port 101, thereby protecting the interface 102 from being corroded by water vapor, and the threaded connection between the threaded cover 402 and the sleeve 401 protects the plug 202 from being corroded by water vapor;

[0042] When making a connection, the closing plate 304 is moved outward by pulling the handle 307, so that the plug block 305 is separated from the installation slot 306, and at the same time, the rotating member 303 is driven by the closing plate 304 to move inside the straight slot 302. When the plug block 305 is completely separated from the installation slot 306, the closing plate 304 can be rotated open to expose the interface 102, so as to carry out the subsequent docking work;

[0043] Grasp the handle 403 and support the sleeve 401 with your hand, and use the handle 403 to rotate the threaded cover 402 to separate the threaded cover 402 from the sleeve 401, so that the plug 202 is exposed, and then the interface 102 and the plug 202 are connected to each other through the connection groove 103 and the connection block 203.

[0044] When the interface 102 and the plug 202 are connected, the screw thread 308 contacts the sleeve 401, causing the sleeve 401 to rotate, so that the terminal 101 is threadedly connected to the sleeve 401 through the screw thread 308, thereby increasing the connection force between the terminal 101 and the terminal 201, reducing the pressure on the interface 102 and the plug 202, thereby protecting the interface 102 and the plug 202;

[0045] Through the above structure, the interface 102 and the plug 202 can be fully protected.

[0046] In a further preferred embodiment of the present invention, Figure 1-3 As shown, the length of the insert block 305 is smaller than the length of the rotating member 303 , and there is an interference fit between the insert block 305 and the mounting groove 306 .

[0047] In this embodiment, when this structure is placed in daily use, the plug block 305 and the installation groove 306 are connected to each other to prevent water vapor from entering the terminal 101. At the same time, when the handle 307 is pulled to separate the plug block 305 from the installation groove 306, the closing cover 304 can be rotated to open.

[0048] In a further preferred embodiment of the present invention, Figure 4 As shown, the length of the connecting strip 405 is greater than the length of the threaded cap 402 .

[0049] In this embodiment, when the threaded cover 402 is removed, this structure can enable the threaded cover 402 to be smoothly removed from the sleeve, so as to facilitate subsequent docking work.

[0050] In a further preferred embodiment of the present invention, Figure 1 As shown, the threaded connection force between the sleeve 401 and the screw thread 308 is greater than the external pulling force.

[0051] In this embodiment, after the connection is completed, the connection force between the sleeve 401 and the screw thread 308 can effectively reduce the tension on the interface 102 and the plug 202, thereby protecting the interface 102 and the plug 202.

[0052] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0053] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0054] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0055] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A low-voltage shore power plug assembly, comprising an interface component (1) and a plug component (2), wherein the interface component (1) comprises a terminal 1 (101) connected to an external electrical box via a wire, and the plug component (2) comprises a terminal 2 (201) connected to an external electrical appliance via a wire, characterized in that: The outer walls of the terminal one (101) and the terminal two (201) are respectively provided with a closed structure (3) and a protective structure (4), and the closed structure (3) and the protective structure (4) are respectively used to protect the terminal one (101) and the terminal two (201); The closing structure (3) comprises a fixed block (301), a straight notch (302), a rotating member (303), a closing plate (304), an insert block (305), a mounting groove (306), a handle (307) and a screw thread (308); The fixed block (301) is formed on the outer wall of the end head (101), the straight slot (302) is opened inside the fixed block (301), one end of the rotating member (303) is slidably connected to the inside of the straight slot (302), the closing plate (304) is fixedly connected to one end of the rotating member (303), a plurality of circumferentially distributed plug blocks (305) are fixedly connected to one side of the closing plate (304), the mounting groove (306) is opened inside the end head (101) and matches the plug blocks (305), the handle (307) is fixedly connected to the other side of the closing plate (304), and the outer wall of the end head (101) is formed with screw threads (308).

2. The low voltage shore power plug assembly according to claim 1, characterized in that: The outer wall of the first end (101) is provided with a notch matching the rotating member (303).

3. The low voltage shore power plug assembly according to claim 2, characterized in that: The protective structure (4) comprises a sleeve (401), a threaded cover (402), a handle (403), a collar (404) and a connecting belt (405); The sleeve (401) is rotatably connected to the outer wall of the second end (201), the threaded cover (402) is threadedly connected to the inside of the sleeve (401), the handle (403) is fixedly connected to the outer wall of one end of the threaded cover (402), the two collars (404) are respectively sleeved on the outer walls of the second end (201) and the threaded cover (402), and the two ends of the connecting belt (405) are respectively fixedly connected to the two collars (404); The internal thread of the sleeve (401) matches the screw thread (308).

4. The low voltage shore power plug assembly according to claim 1, characterized in that: The interface member (1) further comprises an interface (102) and a connecting groove (103); The interface (102) is arranged on the inner side of the terminal one (101), and the connection groove (103) is opened inside the terminal one (101); The plug member (2) further comprises a plug (202) and a connection block (203); The plug (202) is arranged inside the second terminal (201), and the connection block (203) is formed inside the second terminal (201); The shape and size of the connection groove (103) and the connection block (203) match each other, and a protrusion for positioning is formed on the outer wall of the connection block (203).

5. The low voltage shore power plug assembly according to claim 1, characterized in that: The length of the insert block (305) is smaller than the length of the rotating member (303), and there is an interference fit between the insert block (305) and the mounting groove (306).

6. The low voltage shore power plug assembly according to claim 3, characterized in that: The length of the connecting band (405) is greater than the length of the threaded cap (402).

7. The low voltage shore power plug assembly according to claim 6, characterized in that: The threaded connection force between the sleeve (401) and the screw thread (308) is greater than the external pulling force.

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