CN221226675U

CN221226675U - Panel mounting type single-core medium voltage cable socket

Info

Publication number: CN221226675U
Application number: CN202323001750.4U
Authority: CN
Inventors: 邱冬方; 周王洁; 史建忠
Original assignee: Jiangyin Kaida Electrial & Mechanical Manufacturing Co ltd
Current assignee: Jiangyin Kaida Electrial & Mechanical Manufacturing Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-06-25
Anticipated expiration: 2033-11-07

Abstract

The utility model belongs to the technical field of single-core medium voltage cable sockets and discloses a panel-mounted single-core medium voltage cable socket, which comprises a protective cover, a sealing ring, a socket shell, a first screw, a first nut, a chain, a second screw, an insulating sleeve, a first O-shaped sealing ring, a copper guide hole tail part, a set screw, a second O-shaped sealing ring, a copper guide hole, a contact reed, a middle connecting flange, a third O-shaped sealing ring, a mounting flange, a sealing gasket and a single-core cable, wherein the top of the socket shell is matched with the bottom of the protective cover, and the sealing ring is arranged between the socket shell and the protective cover. The copper guide hole and the copper column at the tail of the guide hole are arranged, so that the copper guide hole is suitable for single-core cables; the socket tries to be a flange connection disc, and is suitable for panel installation; the shell and the protective cover are manufactured by adopting a cast aluminum process, so that the shell is firm and resistant to falling; after the surface is oxidized, marine anti-corrosion paint is sprayed, and sealing gaskets or sealing rings are adopted among all connecting parts, so that the overall protection grade can reach IP, and the method is suitable for severe environments of wharfs.

Description

Panel mounting type single-core medium voltage cable socket

Technical Field

The utility model belongs to the technical field of single-core medium-voltage cable sockets, and particularly relates to a panel-mounted single-core medium-voltage cable socket.

Background

The single-core medium-voltage cable socket belongs to the category of cable connectors, is particularly suitable for being applied to a port and dock shore power socket box and being fast docked with a plug of a mobile cable management system, and in the technical field of power supply of a port and dock cruise ship, the socket box is an output point of a dock variable-frequency power supply and is provided with a neutral connection socket according to the specification requirement and is fast docked with a neutral plug of the mobile cable management system; the panel-mounted medium-voltage cable sockets which are highly adapted heretofore are said to be absent, and the multi-core plug sockets with the same or higher rated voltage are used instead, and the actual wiring is only one phase, and the defects of waste and imperfect adaptation exist although the functions are realized.

The patent number CN218448577U discloses a single core high voltage cable connector of push type, and it is fit for not needing the connection of the single core high voltage cable that often breaks, and its structure, intensity are not fit for the port and pier and just need the operating mode of plug once for every circular telegram, also not adapt to the moist, salt fog's of port environment.

Problems of the prior art: the device cannot be well suitable for multiple pulling and inserting, and cannot be well dampproof.

Disclosure of utility model

The utility model aims to provide a panel-mounted single-core medium-voltage cable socket so as to solve the technical problems in the background technology.

In order to achieve the above purpose, the specific technical scheme of the utility model is as follows: the utility model provides a single core medium voltage cable socket of panel mount type, includes visor, sealing washer, socket shell, first screw, first nut, chain, second screw, insulating sleeve, first O type sealing washer, copper guide hole afterbody, holding screw, second O type sealing washer, copper guide hole, contact reed, intermediate junction flange, third O type sealing washer, mounting flange, sealed pad, single core cable, socket shell's top and the bottom cooperation of visor use, the sealing washer sets up between socket shell and visor, socket shell's inside is provided with insulating sleeve, first O type sealing washer sets up in insulating sleeve's bottom, copper guide hole has been seted up to insulating sleeve's inside, copper guide hole's inside is provided with contact reed, the inside of single core cable's top and copper guide hole afterbody is through holding screw cooperation use, insulating sleeve and copper guide hole afterbody utilize the second O type sealing washer to seal, socket shell's bottom is provided with intermediate junction flange, mounting flange and sealing pad pass through second screw fixed connection, mounting flange and sealing pad are located in the middle junction flange and the bottom of a top and the first screw, the mounting flange is located the top of a flange and the top of one side of first screw, the top of sealing pad sets up with the top of one side of the nut.

Preferably, the connecting piece includes round pin axle, cotter pin, slipknot screw, first flat pad and hexagon nut, the round pin axle runs through in proper order and sets up the first hole in the socket shell outside and sets up the second hole and the slipknot screw opposite at first hole and extend to the outside in second hole, the surface of cotter pin uses with the inside cooperation of round pin axle, the cooperation groove of seting up is run through to the top of slipknot screw outer surface, hexagon nut's inside and slipknot screw's surface threaded connection, first flat pad sets up in hexagon nut's bottom.

Preferably, the outer surface welding abnormal shape piece of socket shell, the screw hole has been seted up to the inside of abnormal shape piece, the inside threaded connection of screw hole has the third screw, third screw surface cover is equipped with the spring, third screw threaded connection has locknut.

Preferably, the right side fixed mounting of socket shell has the supporting shoe, the top cooperation of supporting shoe uses has micro-gap switch, micro-gap switch's one end and the inside cooperation of socket shell use, micro-gap switch's inside cooperation uses has fourth screw and second nut, micro-gap switch utilizes fourth screw and second nut and supporting shoe cooperation to use.

The utility model has the following advantages:

1. The panel-mounted single-core medium voltage cable socket is provided with the copper guide hole and the copper column connected with the tail part of the guide hole, and is suitable for single-core cables; the socket tries to be a flange connection disc, and is suitable for panel installation; the shell and the protective cover are manufactured by adopting a cast aluminum process, so that the shell is firm and resistant to falling; after the surface is oxidized, marine anti-corrosion paint is sprayed, sealing gaskets or sealing rings are adopted among all connecting parts, the overall protection grade can reach IP66, and the method is suitable for severe wharf environments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

Fig. 4 is a schematic diagram of an explosive structure according to the present utility model.

The figure indicates: 1. a protective cover; 2. a seal ring; 3. a socket housing; 4. a first screw; 5. a first nut; 6. a chain; 7. a second screw; 8. a pin shaft; 9. a cotter pin; 10. a slipknot screw; 11. a first flat pad; 12. a hexagonal nut; 13. a profiled block; 14. a third screw; 15. a spring; 16. a locknut; 17. a micro-switch; 18. a fourth screw; 19. a second nut; 20. an insulating sleeve; 21. a first O-ring seal; 22. copper via tail; 23. a set screw; 24. a second O-ring seal; 25. copper vias; 26. a contact spring; 27. a middle connecting flange; 28. a third O-ring seal; 29. a mounting flange; 30. a sealing gasket; 31. a single core cable.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

As shown in fig. 1 to 4, the panel-mounted single-core medium voltage cable socket of the present utility model comprises a protective cover 1, a sealing ring 2, a socket housing 3, a first screw 4, a first nut 5, a chain 6, a second screw 7, an insulating sleeve 20, a first O-ring 21, a copper guide hole tail 22, a set screw 23, a second O-ring 24, a copper guide hole 25, a contact reed 26, an intermediate connecting flange 27, a third O-ring 28, a mounting flange 29, a sealing gasket 30 and a single-core cable 31, wherein the top of the socket housing 3 is matched with the bottom of the protective cover 1, the sealing ring 2 is arranged between the socket housing 3 and the protective cover 1, the insulating sleeve 20 is arranged in the socket housing 3, the first O-ring 21 is arranged at the bottom of the insulating sleeve 20, the copper guide hole 25 is arranged in the insulating sleeve 20, the contact reed 26 is arranged in the copper guide hole 25, the top of the single-core cable 31 is matched with the inside of the copper guide hole tail 22 through a set screw 23, the insulation sleeve 20 and the copper guide hole tail 22 are sealed by a second O-shaped sealing ring 24, the bottom of the socket shell 3 is provided with a middle connecting flange 27, a mounting flange 29 and a sealing gasket 30, the socket shell 3 is fixedly connected with the middle connecting flange 27, the mounting flange 29 and the sealing gasket 30 through second screws 7, the mounting flange 29 is positioned at the bottom of the middle connecting flange 27, the sealing gasket 30 is positioned at the bottom of the mounting flange 29, a third O-shaped sealing ring 28 is positioned at two sides of the middle connecting flange 27, a connecting piece is arranged between the protective cover 1 and the socket shell 3, the top of the protective cover 1 and the top of the mounting flange 29 are provided with a first screw 4 and a first nut 5, the outer surface of the first screw 4 is matched with the inside of the chain 6, the bottom of the first nut 5 is in threaded connection with the outer surface of the first screw 4, and a copper guide hole and a copper column at the tail part of the guide hole are arranged by the utility model, so that the copper-clad cable is suitable for single-core cables; the socket tries to be a flange connection disc, and is suitable for panel installation; the shell and the protective cover are manufactured by adopting a cast aluminum process, so that the shell is firm and resistant to falling; after the surface is oxidized, marine anti-corrosion paint is sprayed, sealing gaskets or sealing rings are adopted among all connecting parts, the overall protection grade can reach IP66, and the method is suitable for severe wharf environments.

The connecting piece includes round pin axle 8, cotter 9, slipknot screw 10, first flat pad 11 and hexagon nut 12, round pin axle 8 runs through the first hole of seting up in the socket shell 3 outside in proper order and seting up the second hole and the slipknot screw 10 opposite at first hole and extend to the outside in second hole, the surface of cotter 9 and the inside cooperation of round pin axle 8 are used, the cooperation groove of setscrew 10's top seting up in the surface of cap 1 is run through, hexagon nut 12's inside and the surface threaded connection of slipknot screw 10, first flat pad 11 sets up in hexagon nut 12's bottom, utilize first hole and second hole to cooperate with round pin axle 8 to use, realize the location to slipknot screw 10, realize the location to round pin axle 8 at the cotter 9, prevent round pin axle 8 from droing, after locating slipknot screw 10, manpower rotation hexagon nut 12, prevent hexagon nut 12 and cap 1's top direct contact by utilizing first flat pad 11, just so can be fine prevent rust, increase of service life.

The special-shaped block 13 is welded on the outer surface of the socket shell 3, a screw hole is formed in the special-shaped block 13, a third screw 14 is connected to the inner thread of the screw hole, a spring 15 is sleeved on the outer surface of the third screw 14, the inner part of the locknut 16 is connected with the outer surface of the third screw 14 in a threaded manner, and the special-shaped block is a mechanism for an operator to obtain a mechanical evidence that whether a plug and a socket are mechanically connected or not.

The right side of the socket shell 3 is fixedly provided with a supporting block, the top of the supporting block is matched with a micro switch 17, one end of the micro switch 17 is matched with the inside of the socket shell 3, a fourth screw 18 and a second nut 19 are matched with the inside of the micro switch 17, the micro switch 17 is matched with the supporting block by utilizing the fourth screw 18 and the second nut 19, when the socket is inserted, the micro switch is triggered, and the switch sends a signal to the PLC, so that the PLC is electrically interlocked, and the PLC can be selectively not assembled without being electrically interlocked.

The working principle of the panel-mounted single-core medium-voltage cable socket is as follows: the panel-mounted single-core medium-voltage cable socket can be functionally divided into a guide hole group unit, a single-core cable unit, an insulator unit, an outer protective shell unit and a sealing and protecting unit;

guide hole group unit:

The copper guide hole 25 passes through the insulating sleeve 20 and is fixed with the copper guide hole tail 22 in a threaded connection mode, and the space between the guide hole tail 22 and the mounting surface of the insulating sleeve 20 is sealed by a second O-shaped sealing ring 24 to form a whole;

single core cable unit:

The single-core cable 31 is stripped, and only residual copper wires are inserted into the inner holes of the tail parts 22 of the copper guide holes and pressed by the fastening screws 23;

insulation unit:

The insulating sleeve 20 is internally connected with a conductive guide hole group unit, the outer part of the insulating sleeve is fixed with an outer protective shell unit, the insulating sleeve has an insulating protection function, the insulating sleeve passes through an intermediate connecting flange 27 from bottom to top, the intermediate connecting flange 27 is provided with an inclined boss which can limit the upward installation position of the insulating sleeve 20, a first O-shaped sealing ring 21 is arranged in the radial direction between the insulating sleeve and the intermediate connecting flange to form a sealed locking line, an installation flange 29 is sleeved from bottom to top, a second screw 7 passes through a socket shell 3 and the intermediate connecting flange 27 from top to bottom until the installation flange 29 is screwed in, the screw is tightened, in addition, the upper installation surface and the lower installation surface of the intermediate connecting flange 27 are respectively provided with an O-shaped sealing ring groove, when the screw is screwed in the upper groove and the lower groove, the installation surface can be completely sealed;

outer protective case unit:

The main body is a socket shell 3 which is downwards fastened with an intermediate connecting flange 27, a third O-shaped sealing ring 28 and a mounting flange 29 in sequence through second screws 7.

The special-shaped block 13 is arranged on the left side of the socket shell 3 in a welding mode, and a third screw 14, a spring 15 and a locknut 16 are sequentially arranged in the special-shaped block 13, so that the special-shaped block is a mechanism for an operator to obtain a mechanical certificate whether a plug and a socket are mechanically connected or not, and the special-shaped block is not required to be provided with the special-shaped block if logic exchange is not required. Regarding the mechanical interlocking:

After the socket is plugged into the socket corresponding to the plug, the blocking piece on the plug can push the spring pin on the socket to retract, the lock tongue of the mechanical lock on the socket can extend into the round hole on the blocking piece on the plug, at the moment, the key which can pull out the mechanical lock is crossed to the upper-level switch cabinet to serve as mechanical evidence that the plug is in place, power can be transmitted, the key does not open the lock, and the plug cannot be pulled out, so that the socket is a mechanical logic safety protection of a mechanical category and is designed for safe power transmission.

The right side of the socket shell 3 can be provided with a micro switch 17 which is fastened on the socket shell 3 by a fourth screw 18 and a second nut 19, an opening is needed on the socket shell 3 before installation, a trigger head of the micro switch 17 stretches into the socket shell 3, when the socket is inserted, the micro switch 17 is triggered, and the switch sends a signal to the PLC, which is an electrical interlock, and the micro switch can be selectively not installed without the electrical interlock;

Sealing and protecting unit:

Head sealing and protection: the protective cover 1 is firmly adhered with special glue to form a whole with the sealing gasket 2, and is covered on the socket shell 3, the protective cover is locked by 2 sets of adjustable nut groups arranged on the protective cover 1, and the sealing gasket is tightly pressed to form a seal, and the adjustable nut group mechanism is as follows: the pin shaft 8 with the shoulder strap holes penetrates into the first hole of the protective cover 1; penetrating a slipknot screw 10, penetrating a second hole opposite to the first hole of the protective cover 1, and clamping a cotter pin 9 into a small hole of the pin shaft 8; the first flat pad 11 is sleeved from the threaded end of the slipknot screw 10, the hexagonal nut 12 is screwed, the slipknot screw and the hexagonal nut can freely rotate at 180 degrees, the slipknot screw and the hexagonal nut are firstly rotated upwards, and after the protective cover 1 is sleeved on the socket shell 3, the hexagonal nut 12 is adjusted in a turnover mode until the protective cover is pressed.

The protection cover 1 is connected with the socket shell 3 in series by the chain 6, and two ends of the chain 6 are respectively fastened with the protection cover 1 and the socket shell 3 through first nuts 5 of first screws 4, so that the protection cover 1 is prevented from falling and smashing feet in the using process.

The entire socket is mounted to the socket box panel by screw tightening and sealing protection is provided between the socket and the panel by the gasket 30.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a single core medium voltage cable socket of panel mount type, including visor (1), sealing washer (2), socket shell (3), first screw (4), first nut (5), chain (6), second screw (7), insulating boot (20), first O type sealing washer (21), copper guide hole afterbody (22), holding screw (23), second O type sealing washer (24), copper guide hole (25), contact reed (26), intermediate junction flange (27), third O type sealing washer (28), mounting flange (29), sealed pad (30), single core cable (31), its characterized in that: the top of socket shell (3) and the bottom cooperation of visor (1) use, sealing washer (2) set up between socket shell (3) and visor (1), the inside of socket shell (3) is provided with insulating sleeve (20), first O type sealing washer (21) set up in the bottom of insulating sleeve (20), copper guide hole (25) have been seted up to the inside of insulating sleeve (20), the inside of copper guide hole (25) is provided with contact reed (26), the top of single core cable (31) and the inside of copper guide hole afterbody (22) use through holding screw (23) cooperation, insulating sleeve (20) and copper guide hole afterbody (22) utilize second O type sealing washer (24) to seal, the bottom of socket shell (3) is provided with intermediate flange (27), mounting flange (29) and sealing pad (30), socket shell (3) and intermediate flange (27), mounting flange (29) and sealing pad (30) are through second screw (7) fixed connection, mounting flange (29) are located the bottom of intermediate flange (27) and sealing pad (30) are located in the bottom of sealing pad (27), the socket is characterized in that a connecting piece is arranged between the protection cover (1) and the socket shell (3), a first screw (4) and a first nut (5) are arranged at the top of the protection cover (1) and the top of the mounting flange (29), the outer surface of the first screw (4) is matched with the inside of the chain (6), and the bottom of the first nut (5) is in threaded connection with the outer surface of the first screw (4).

2. A panel mounted single core medium voltage cable socket according to claim 1, wherein: the connecting piece comprises a pin shaft (8), a cotter pin (9), a slipknot screw (10), a first flat pad (11) and a hexagonal nut (12), wherein the pin shaft (8) sequentially penetrates through a first hole formed in the outer side of the socket shell (3) and a second hole formed opposite to the first hole, the slipknot screw (10) extends to the outer side of the second hole, the outer surface of the cotter pin (9) is matched with the inner part of the pin shaft (8), the top of the slipknot screw (10) penetrates through a matching groove formed in the outer surface of the protective cover (1), the inner part of the hexagonal nut (12) is in threaded connection with the outer surface of the slipknot screw (10), and the first flat pad (11) is arranged at the bottom of the hexagonal nut (12).

3. A panel mounted single core medium voltage cable socket according to claim 1, wherein: the socket is characterized in that a special-shaped block (13) is welded on the outer surface of the socket shell (3), a screw hole is formed in the special-shaped block (13), a third screw (14) is connected with the inner thread of the screw hole, a spring (15) is sleeved on the outer surface of the third screw (14), and a locknut (16) is connected with the third screw (14) in a threaded mode.

4. A panel mounted single core medium voltage cable socket according to claim 1, wherein: the socket is characterized in that a supporting block is fixedly arranged on the right side of the socket shell (3), a micro switch (17) is matched with the top of the supporting block, one end of the micro switch (17) is matched with the inside of the socket shell (3), a fourth screw (18) and a second nut (19) are matched with the inside of the micro switch (17), and the micro switch (17) is matched with the supporting block by utilizing the fourth screw (18) and the second nut (19).