CN213520501U

CN213520501U - Single-core large-current high-voltage connector plug

Info

Publication number: CN213520501U
Application number: CN202022409262.7U
Authority: CN
Inventors: 刘奥东; 欧阳忠民
Original assignee: Shenzhen Oversea Win Tech Co Ltd
Current assignee: Shenzhen Oversea Win Tech Co Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-22
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a single core heavy current high voltage connector plug, including electrically conductive inner core, wiring portion and plug shell, electrically conductive inner core UNICOM wiring portion and plug shell, be equipped with the elasticity connecting portion on the plug shell, the connecting piece and the suit that stretch out at the connection base of plug shell surface, to the direction that plug and socket are connected are at the terminal locating part of connecting piece including setting up to the elasticity connecting portion, the front end of connecting piece is equipped with the buckle that can the lock on the stopper of socket. The single-core heavy-current high-voltage connector plug is provided with the special elastic connecting part which is matched with the limiting block on the socket, so that the plug and the socket can be firmly connected together, and the assembly and disassembly are simple and convenient; be equipped with cable fastening part, cable detachable installs in single core heavy current high voltage connector plug, can change when breaking down, more accords with the requirement of environmental protection.

Description

Single-core large-current high-voltage connector plug

Technical Field

The utility model relates to a high-voltage cable connects technical field, concretely relates to single core heavy current high voltage connector plug.

Background

Along with the popularization of various large-scale electrical appliances, single core heavy current high voltage connector has become the high voltage cable connecting device commonly used, current single core high voltage connector is in order to guarantee firm connection, generally can be provided with the swivel nut of internal thread on the socket, then set up the external screw thread that matches with the internal thread of swivel nut on the surface of socket respectively, still need rotatory swivel nut after the plug inserts the socket to make the swivel nut be in the same place with the female connection on the socket, still need unscrew the swivel nut during demolish, butt joint and demolish all to be more troublesome. In addition, the cables need to be welded when being connected, and once the damage occurs between the plug and the cables, the cables connected with the plug need to be discarded, which is not in accordance with the requirement of environmental protection.

Disclosure of Invention

To the connection of the above-mentioned single core high voltage connector plug among the prior art and socket with demolish inconveniently, provide a single core heavy current high voltage connector plug, be equipped with dedicated connecting portion on the shell, with the stopper cooperation on the socket, can make firm the linking together of plug and socket, dismouting simple and convenient moreover.

The utility model provides a technical scheme that its technical problem adopted is: a single-core large-current high-voltage connector plug comprises a conductive inner core, a wiring portion and a plug shell, wherein the conductive inner core is communicated with the wiring portion and the plug shell, the plug shell is provided with an elastic connecting portion, the elastic connecting portion comprises a connecting base arranged on the outer surface of the plug shell, a connecting piece extending towards the direction of connection between a plug and a socket and a limiting piece sleeved at the tail end of the connecting piece, the front end of the connecting piece is provided with a buckle ring capable of being buckled on a limiting piece of the socket, a mounting groove with the shape matched with that of the connecting piece and the limiting piece is arranged in the connecting base, the connecting piece and the limiting piece are arranged in the connecting base, a rotating shaft penetrating through the wall of the connecting piece and the wall of the mounting groove is arranged in the connecting base, so that the connecting piece is rotatably, a vertical limiting step arranged along the horizontal direction is arranged on the groove wall at the rear end of the mounting groove, and the vertical limiting step is abutted against the lower surface of the limiting piece to limit the movement of the limiting piece in the vertical direction; the both sides of locating part are equipped with spacing protrudingly, be equipped with the horizontal spacing step that sets up along vertical direction on the cell wall of mounting groove, horizontal spacing step and the ascending removal of spacing restriction locating part horizontal direction of spacing protruding butt.

The utility model provides a technical scheme that its technical problem adopted further still includes:

the single-core high-current high-voltage connector plug is characterized in that a first return spring is arranged at the tail end of the connecting piece along the length direction of the connecting piece, the front end of the first return spring is abutted against the connecting piece, and the tail end of the first return spring is abutted against the limiting piece.

According to the single-core high-current high-voltage connector plug, the bottom of the front end of the mounting groove is provided with the limiting protruding edge, and the limiting protruding edge is abutted with the connecting piece to limit the position of the front end of the connecting piece in the vertical direction; the connecting piece with be equipped with second reset spring between the base is connected, second reset spring suit is in the axis of rotation, second reset spring's one end with be connected the base butt, second reset spring's the other end with the connecting piece butt for connecting piece and spacing flange keep the butt.

The single-core large-current high-voltage connector plug is characterized in that the wiring part is provided with a fastening shell, a fastening piece and an elastic fixing piece, the lower end of the conductive inner core is arranged in the plug shell, the elastic fixing piece, the fastening shell and the fastening piece are in a hollow tubular shape, the shape of the lower end of the elastic fixing piece is matched with the shape of the upper end of the conductive inner core and is sleeved at the upper end of the conductive inner core, the fastening piece is sleeved on the elastic fixing piece, the fastening shell is sleeved on the fastening piece, an internal thread is arranged at an opening at the lower end of the fastening shell, an external thread matched with the internal thread is arranged on the plug shell, and the fastening shell is connected with the plug shell so that the fastening piece, the elastic fixing piece and the conductive inner core are; the fastening piece is provided with a plurality of fastening grooves which are formed in the upper end along the length direction of the fastening piece, the fastening grooves are uniformly distributed in the upper end of the fastening piece, a fastening inclined plane which is arranged along the circumferential direction of the fastening shell is arranged at an opening at the upper end of the fastening shell, the fastening inclined plane gradually shrinks from bottom to top, and the fastening inclined plane can press down the upper end of the fastening piece to enable the fastening piece to be tightened.

The single-core high-current high-voltage connector plug is characterized in that a connecting terminal is arranged in the plug outer shell, a connecting hole is formed in the lower end of the conductive inner core, the connecting hole is matched with the connecting terminal in shape, the rear end of the connecting terminal is a contact section, the surface of the contact section is in a sawtooth shape, and the contact section is inserted into the connecting hole.

A single core heavy current high voltage connector plug as above, connecting terminal is the tubbiness of opening towards the connector socket, be equipped with metal connecting piece in the connecting terminal, metal connecting piece's both ends with connecting terminal open-ended shape coincide, many bar through-holes that offer along metal connecting piece length direction parallel are seted up at metal connecting piece's middle part and are inwards shrunk, make metal connecting piece is the big middle part in both ends and little drum form.

The plug comprises a plug shell, wherein a connecting terminal is arranged on the plug shell, a positioning hole is formed in the rear end of the connecting terminal, a guide post is arranged on the plug shell, the rear end of the connecting terminal extends into the connecting terminal, a plug is arranged at the rear end of the connecting terminal, and the positioning hole is matched with the guide post in shape.

The utility model has the advantages that: the single-core heavy-current high-voltage connector plug is provided with the special elastic connecting part which is matched with the limiting block on the socket, so that the plug and the socket can be firmly connected together, and the assembly and disassembly are simple and convenient; the cable fastening component is arranged, and the cable can be detachably arranged in the single-core large-current high-voltage connector plug and can be replaced when a fault occurs, so that the requirement of environmental protection is better met; connecting terminal and terminal inside are equipped with special connection structure, can avoid the plug to damage by high-voltage current, better simultaneously with the terminal fixed connection of socket, safe and reliable more.

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of a single-core heavy-current high-voltage connector plug of the present invention;

fig. 2 is a schematic bottom view of the structure of the preferred embodiment of the single-core high-current high-voltage connector plug of the present invention;

FIG. 3 is a cross-sectional view along line AA;

in the figure, 1, conductive inner core, 21, fastening outer shell, 211, fastening inclined plane, 22, fastener, 221, fastening groove, 23, elastic fixing piece, 3, plug outer shell, 31, elastic connecting part, 311, connecting base, 3111, mounting groove, 3112, vertical spacing step, 3113, horizontal spacing step, 3114, spacing protruding edge, 312, connecting piece, 313, limiting piece, 3131, spacing protrusion, 314, first reset spring, 315, second reset spring, 32, guide post, 4, connecting terminal, 41, contact section, 42, metal connecting piece, 43, locating hole.

Detailed Description

The embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the embodiment, and are within the protection scope of the present invention.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a single core heavy current high voltage connector plug preferred embodiment refers to fig. 1-3 and shows, including electrically conductive inner core 1, wiring portion and plug shell 3, electrically conductive inner core 1 UNICOM wiring portion and plug shell 3. The plug housing 3 is provided with an elastic connection portion 31, and the elastic connection portion 31 includes a connection base 311 disposed on an outer surface of the plug housing 3, a connection member 312 extending in a direction in which the plug is connected to the socket, and a stopper 313 sleeved on an end of the connection member 312. The front end of the connecting piece 312 is provided with a retaining ring which can be buckled on a limiting block of the socket, the connecting base 311 is provided with a mounting groove 3111 with the shape matched with the shapes of the connecting piece 312 and the limiting piece 313, the connecting piece 312 and the limiting piece 313 are mounted in the connecting base 311, and the connecting base 311 is provided with a rotating shaft which passes through the wall of the connecting piece 312 and the mounting groove 3111, so that the connecting piece 312 is rotatably fixed in the mounting groove 3111. The limiting piece 313 can slide in the mounting groove 3111 along the connecting piece 312 in a reciprocating manner, a vertical limiting step 3112 arranged along the horizontal direction is arranged on a groove wall at the rear end of the mounting groove 3111, and the vertical limiting step 3112 abuts against the lower surface of the limiting piece 313 to limit the movement of the limiting piece 313 in the vertical direction. The two sides of the stopper 313 are provided with a stopper protrusion 3131, the wall of the mounting groove 3111 is provided with a horizontal stopper 3113 arranged along the vertical direction, and the horizontal stopper 3113 abuts against the stopper 3131 to limit the movement of the stopper 313 in the horizontal direction.

In this embodiment, the end of the connecting member 312 is provided with a first return spring 314 disposed along the length direction of the connecting member 312, the front end of the first return spring 314 abuts against the connecting member 312, the end of the first return spring 314 abuts against the limiting member 313, and after the limiting member 313 moves forward, the first return spring 314 can return to the end of the connecting member 312.

In this embodiment, a limiting protruding edge 3114 is disposed at the bottom of the front end of the mounting groove 3111, and the limiting protruding edge 3114 abuts against the connecting piece 312 to limit the position of the front end of the connecting piece 312 in the vertical direction. A second return spring 315 is arranged between the connecting piece 312 and the connecting base 311, the second return spring 315 is sleeved on the rotating shaft, the 312 th connecting piece 312 is abutted, so that the connecting piece 312 is kept abutted with the limiting protruding edge 3114, the retaining ring of the connecting piece 312 can be kept buckled on the limiting piece of the socket, and the plug and the socket are fixedly connected together.

In the present embodiment, in order to facilitate the detachment and installation of the cable, the connection portion is provided with a fastening housing 21, a fastening member 22 and an elastic fixing member 23. Since the conductive inner core 1 communicates the wiring portion and the plug housing 3, the lower end of the conductive inner core 1 is disposed in the plug housing 3, and the upper end of the conductive inner core 1 is disposed in the wiring portion to be connected with a cable. The elastic fixing piece 23, the fastening shell 21 and the fastening piece 22 are in a hollow tubular shape, the shape of the lower end of the elastic fixing piece 23 is matched with the shape of the upper end of the conductive inner core 1, and the elastic fixing piece is sleeved on the upper end of the conductive inner core 1; the fastening piece 22 is sleeved on the elastic fixing piece 23, the fastening shell 21 is sleeved on the fastening piece 22, an internal thread is arranged at an opening at the lower end of the fastening shell 21, an external thread matched with the internal thread is arranged on the plug shell 3, and the fastening shell 21 is connected with the plug shell 3, so that the fastening piece 22, the elastic fixing piece 23 and the conductive inner core 1 are fixed in the fastening shell 21. The fastening member 22 has a plurality of fastening slots 221 formed along the length direction of the fastening member 22 at the upper end thereof, and the fastening slots 221 are uniformly distributed at the upper end of the fastening member 22, so that the elastic fixing member 23 can be tightened and pressed at the upper end of the fastening member 22. The opening at the upper end of the fastening shell 21 is provided with a fastening inclined plane 211 arranged along the circumference of the fastening shell 21, the fastening inclined plane 211 gradually shrinks from bottom to top, after the internal thread of the fastening shell 21 is connected with the external thread of the plug shell 3, the fastening inclined plane 211 moves downwards along with the fastening shell 21, the upper end of the fastening piece 22 shrinks along with the shrinkage of the fastening inclined plane 211, so that the fastening piece 22 tightens and extrudes the elastic fixing piece 23, and a cable passing through the elastic fixing piece 23 and connected with the upper end of the conductive inner core 1 is fixed. The elastic fixing member 23, the fastening housing 21 and the fastening member 22 are made of insulating materials, wherein the elastic fixing member 23 may be made of insulating materials with elasticity, such as insulating rubber and silicone rubber, and in this embodiment, the elastic fixing member 23 is made of insulating rubber.

In this embodiment, be equipped with connecting terminal 4 in the plug shell 3, electrically conductive inner core 1 lower extreme is equipped with the connecting hole, and the connecting hole is coincided with connecting terminal 4's shape, and in order to avoid high-voltage current to damage the plug, connecting terminal 4 rear end is contact segment 41, and the surface of contact segment 41 is the cockscomb structure, and contact segment 41 cartridge is in the connecting hole, with the limited contact of the inner wall of connecting hole for high-voltage current can stabilize safe transmission.

In this embodiment, the connection terminal 4 is a barrel shape with an opening facing the connector socket, the metal connection member 42 is disposed in the connection terminal 4, two ends of the metal connection member 42 are matched with the shape of the opening of the connection terminal 4, and the middle portion of the metal connection member 42 is provided with a plurality of strip-shaped through holes which are arranged in parallel along the length direction of the metal connection member 42 and contract inwards, so that the metal connection member 42 is in a drum shape with two large ends and a small middle portion. When the plug is inserted into the socket, the terminal on the socket enters into the connecting terminal 4, the outer surface of the socket terminal is in close contact with the middle part of the metal connecting piece 42, so that the current transmission is stable, the transverse friction force is increased, and the surface plug can be further removed from the socket.

In order to insert the plug into a correct position, the plug housing 3 is provided with guide posts 32, the guide posts 32 extend into the connection terminals 4 from the rear ends of the connection terminals 4, the rear ends of the connection terminals 4 are provided with positioning holes 43 into which the guide posts 32 are inserted, and the shape of the positioning holes 43 matches with the shape of the guide posts 32.

The single-core heavy-current high-voltage connector plug is provided with the special elastic connecting part which is matched with the limiting block on the socket, so that the plug and the socket can be firmly connected together, and the assembly and disassembly are simple and convenient; the cable fastening component is arranged, and the cable can be detachably arranged in the single-core large-current high-voltage connector plug and can be replaced when a fault occurs, so that the requirement of environmental protection is better met; connecting terminal and terminal inside are equipped with special connection structure, can avoid the plug to damage by high-voltage current, better simultaneously with the terminal fixed connection of socket, safe and reliable more.

Claims

1. The utility model provides a single core heavy current high voltage connector plug, its characterized in that, includes electrically conductive inner core (1), wiring portion and plug shell (3), electrically conductive inner core (1) UNICOM wiring portion and plug shell (3), be equipped with elastic connecting portion (31) on plug shell (3), elastic connecting portion (31) are including setting up at the connection base (311) of plug shell (3) surface, to connecting piece (312) and the locating part (313) of suit at connecting piece (312) that the direction that plug and socket are connected is stretched out, the front end of connecting piece (312) is equipped with the buckle that can the lock on the limiting part of socket, be equipped with the identical mounting groove (3111) of shape and connecting piece (312) and the shape of locating part (313) in connecting base (311), connecting piece (312) and locating part (313) are installed in connecting base (311), a rotating shaft penetrating through a connecting piece (312) and a mounting groove (3111) is arranged in the connecting base (311), so that the connecting piece (312) is rotatably fixed in the mounting groove (3111), the limiting piece (313) can slide in the mounting groove (3111) along the connecting piece (312) in a reciprocating manner, a vertical limiting step (3112) arranged along the horizontal direction is arranged on the groove wall at the rear end of the mounting groove (3111), and the vertical limiting step (3112) is abutted with the lower surface of the limiting piece (313) to limit the movement of the limiting piece (313) in the vertical direction; the both sides of locating part (313) are equipped with spacing protrusion (3131), be equipped with on the cell wall of mounting groove (3111) along horizontal spacing step (3113) that vertical direction set up, horizontal spacing step (3113) and spacing protrusion (3131) butt limit locating part (313) the ascending removal in horizontal direction.

2. A single core high current high voltage connector plug according to claim 1, wherein the end of the connecting member (312) is provided with a first return spring (314) arranged along the length direction of the connecting member (312), the front end of the first return spring (314) abuts against the connecting member (312), and the end of the first return spring (314) abuts against the limiting member (313).

3. A plug of a single core large current high voltage connector as claimed in claim 1, wherein the bottom of the front end of the mounting groove (3111) is provided with a limiting protruding edge (3114), the limiting protruding edge (3114) abuts against the connecting piece (312) to limit the position of the front end of the connecting piece (312) in the vertical direction; be equipped with second reset spring (315) between connecting piece (312) and connection base (311), second reset spring (315) suit is in on the axis of rotation, the one end of second reset spring (315) with connect base (311) butt, the other end of second reset spring (315) with connecting piece (312) butt for connecting piece (312) and spacing flange (3114) keep the butt.

4. A single core large current high voltage connector plug as claimed in claim 1, wherein said wire connecting portion is provided with a fastening outer shell (21), a fastening member (22) and an elastic fixing member (23), the lower end of said conductive inner core (1) is disposed in said plug outer shell (3), said elastic fixing member (23), said fastening outer shell (21) and said fastening member (22) are in a hollow tubular shape, the shape of the lower end of said elastic fixing member (23) is matched with the shape of the upper end of said conductive inner core (1) and is sleeved on the upper end of said conductive inner core (1), said fastening member (22) is sleeved on said elastic fixing member (23), said fastening outer shell (21) is sleeved on said fastening member (22), the opening of the lower end of said fastening outer shell (21) is provided with an internal thread, said plug outer shell (3) is provided with an external thread matched with said internal thread, the fastening outer shell (21) is connected with the plug outer shell (3) so that the fastening piece (22), the elastic fixing piece (23) and the conductive inner core (1) are fixed in the fastening outer shell (21); the upper end of the fastening piece (22) is provided with a plurality of fastening grooves (221) formed along the length direction of the fastening piece (22), the fastening grooves (221) are uniformly distributed at the upper end of the fastening piece (22), an opening at the upper end of the fastening shell (21) is provided with a fastening inclined plane (211) arranged along the circumferential direction of the fastening shell (21), the fastening inclined plane (211) is gradually contracted from bottom to top, and the fastening inclined plane (211) can press down the upper end of the fastening piece (22) to enable the fastening piece (22) to be tightened.

5. A single core high current high voltage connector plug according to claim 1, wherein a connecting terminal (4) is arranged in the plug outer shell (3), a connecting hole is arranged at the lower end of the conductive inner core (1), the connecting hole is matched with the connecting terminal (4) in shape, the rear end of the connecting terminal (4) is provided with a contact section (41), the surface of the contact section (41) is in a sawtooth shape, and the contact section (41) is inserted in the connecting hole.

6. A single core high current high voltage connector plug according to claim 5, wherein said connecting terminal (4) is in the shape of a barrel with an opening facing the connector socket, a metal connecting member (42) is provided in said connecting terminal (4), the two ends of said metal connecting member (42) are matched with the shape of the opening of said connecting terminal (4), the middle of said metal connecting member (42) is provided with a plurality of strip through holes which are arranged in parallel along the length direction of said metal connecting member (42) and are inwardly contracted, so that said metal connecting member (42) is in the shape of a drum with two large ends and a small middle.

7. A plug of a single core high current high voltage connector according to claim 6, wherein the plug housing (3) is provided with a guiding post (32), the guiding post (32) extends from the rear end of the connecting terminal (4) to the inside of the connecting terminal (4), the rear end of the connecting terminal (4) is provided with a positioning hole (43) for inserting the guiding post (32), and the shape of the positioning hole (43) is matched with the shape of the guiding post (32).