CN212062784U - Power transmission and distribution connector and power transmission and distribution electric connection device - Google Patents

Abstract

The utility model discloses a power transmission and distribution connector and a power transmission and distribution connecting device, wherein the connector comprises a main body and a connecting terminal arranged in the main body, the main body comprises a front connecting body and a rear connecting body, wherein the connecting terminal is arranged in the front connecting body; the front connecting body and the rear connecting body are connected together through a connecting structure, one end of the wiring terminal, which corresponds to the rear connecting body, is provided with a wiring part connected with a power line, and one end of the rear connecting body, which is far away from the front connecting body, is provided with a power line passing hole; when the front connector is not connected with the rear connector, the wiring part of the wiring terminal is exposed outside. The utility model discloses a power transmission and distribution connector, the wiring operation is fairly convenient, and inside power cord and binding post's hookup location was located the connector in this connector simultaneously, the sealed protection of being convenient for had increased the security.

Description

Power transmission and distribution connector and power transmission and distribution electric connection device

Technical Field

The utility model relates to a connector, concretely relates to power transmission and distribution connector and power transmission and distribution connecting device.

Background

In the stage lighting industry, in order to achieve various lighting effects, an electric cabinet is required to control multiple paths of lighting, and therefore, a power transmission and distribution connector and a power transmission and distribution connecting device are required to be frequently used in loop control. The power transmission and distribution connector of the traditional stage lighting comprises a plug and a socket, wherein the plug and the socket are respectively integrated, for example, the utility model discloses an eight-core plug and socket with the publication number of CN 208706936U. Such connectors suffer from the following disadvantages: in the wiring process, for the socket, the input electric wire extends into the socket from one end of the socket for a longer distance to be inserted into the jack terminal, the wiring is inconvenient, poor contact can be caused, and the effect of stage lighting is influenced. The plug also has the problems of inconvenient wiring and poor contact.

The utility model discloses a connector, including plug and socket, is granted utility model patent No. CN 209217319U. One end of the main body of the connector socket is a power input end connected with the power distribution cabinet, and the other end of the main body of the connector socket is a jack butted with the plug. The main body comprises a front cover and a rear seat, the front cover is connected with the rear seat through screws, a distributing terminal is arranged on the front cover and is connected with a power post, and an independent jack for accommodating the distributing terminal is arranged on the rear seat; during installation, the wiring terminal on the front cover is inserted into the independent jack, and the front cover and the backseat are locked together through the screw. Although the main body of the connector adopts a split structure, the connecting position of the power post and the branch terminal is not in the main body, so that the sealing protection of the position of the branch terminal is not convenient, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a power transmission and distribution connector, the wiring operation is fairly convenient, and inside power cord and binding post's hookup location was located the connector in this connector simultaneously, the sealed protection of being convenient for has increased the security.

Another object of the present invention is to provide a power transmission and distribution connecting device.

The utility model provides a technical scheme of above-mentioned technical problem is:

a power transmission and distribution connector comprises a main body and a wiring terminal arranged in the main body, and is characterized in that the main body comprises a front connecting body and a rear connecting body, wherein the wiring terminal is arranged in the front connecting body; the front connecting body and the rear connecting body are connected together through a connecting structure, one end of the wiring terminal, which corresponds to the rear connecting body, is provided with a wiring part connected with a power line, and one end of the rear connecting body, which is far away from the front connecting body, is provided with a power line passing hole; when the front connector is not connected with the rear connector, the wiring part of the wiring terminal is exposed outside.

The working principle of the transmission and distribution electric connector is as follows:

when carrying out the power cord with the utility model discloses the connector is connected, the preceding connector and the back connector of main part are in the detached state, and the power cord passes the line hole of crossing of back connector and is connected with the wiring portion that sets up binding post in the front connector. Because the wiring part of the wiring terminal arranged in the front connector is exposed outside and is in a visible state, the wiring process is quite convenient. After the wiring is finished, the front connecting body is connected with the rear connecting body through the connecting structure, and the power line and the wiring position of the wiring terminal are located inside the main body, so that the sealing protection is facilitated, and the safety is improved.

The utility model discloses a preferred scheme, wherein, connection structure is threaded connection structure.

The utility model discloses a preferred scheme, wherein, preceding connector still is provided with anti loosening structure with back connector junction, and anti loosening structure includes that anti-loosening detains, sets up the preceding spacing groove of connector terminal surface in the front and sets up the back spacing groove at back connector terminal surface, and preceding spacing groove corresponds and communicates with back spacing groove position, the embedding spacing groove and back spacing inslot in the front are detained in the anti-loosening.

Preferably, locking knot includes spacing section and location section, is equipped with the holding tank that is used for holding locking knot in the back connector, and this holding tank is linked together with the back spacing groove that sets up at the back connector, and the holding tank bottom is equipped with the constant head tank, location section bottom is equipped with the location portion that matches with the constant head tank.

Preferably, the positioning part at the bottom of the positioning section comprises a first positioning part and a second positioning part which are in a toothed shape, and the top surface of the positioning section is provided with an extrusion groove for extruding the anti-loose fastener from the front limiting groove and the rear limiting groove; the first positioning part abuts against one end of the positioning groove, and the second positioning part abuts against the other end of the positioning groove.

Furthermore, one side of the first positioning portion facing the corresponding end portion of the positioning groove is a straight edge, one side of the second positioning portion facing the corresponding end portion of the positioning groove is a bevel edge, and an end portion of the positioning groove corresponding to the bevel edge of the second positioning portion is also a bevel surface matched with the bevel edge.

Further, the rear end of holding tank is equipped with and is used for preventing that the anti-loosening button from dropping blockking the arch.

The utility model discloses a preferred scheme, wherein, preceding connector still is equipped with waterproof construction with the junction of back connector, and this waterproof construction includes the waterproof circle of annular.

The utility model discloses a preferred scheme, wherein, the transmission and distribution electric connector is the plug, the binding post in the front connector of plug is the contact pin terminal, the contact pin terminal includes contact pin front portion and contact pin terminal wiring portion; the pin terminal wiring part is internally provided with a wiring hole for accommodating a power line, and the pin terminal wiring part is also provided with a threaded hole for locking the power line on the wiring hole; and a pin terminal fixing frame is arranged in the front connector of the plug, and the pin terminal is arranged on the pin terminal fixing frame.

The utility model discloses a preferred scheme, wherein, contact pin terminal mount is including the installation department that is used for carrying on the power cord and connects, and this installation department extends backward and surpasss the preceding connector rear end of plug, is equipped with radial opening on this installation department, contact pin terminal wiring position in the opening, and the screw hole in the jack terminal wiring portion shows in the opening.

Preferably, the openings corresponding to the pin terminal connection portions of the plurality of pin terminals all face the same direction.

Preferably, the number of the screw holes on the pin terminal wiring portion is two.

The utility model discloses a preferred scheme, wherein, the transmission and distribution electric connector is the socket, the binding post in the preceding connector of socket is the jack terminal, the jack terminal includes jack front portion and jack terminal wiring portion; the jack terminal wiring part is internally provided with a wiring hole for accommodating a power line, and the jack terminal wiring part is also provided with a threaded hole for locking the power line on the wiring hole; a jack terminal fixing frame is arranged in the front connector of the socket, and the jack terminal is installed on the jack terminal fixing frame.

The utility model discloses a preferred scheme, wherein, jack terminal mount is including the preceding installation department that is used for holding the jack terminal and the back installation department that is used for carrying on the power cord and connects, wherein, back installation department extends backward and surpasss the preceding connector rear end of socket, is equipped with radial opening on this back installation department, jack terminal wiring portion is located in the opening, and the screw hole in jack terminal wiring portion shows in the opening.

Preferably, the openings of the jack terminal connection portions of the plurality of jack terminals face in the same direction.

Preferably, the number of the screw holes on the receptacle terminal wiring portion is two.

Preferably, be equipped with in the preceding installation department and be used for carrying out the preceding location step of fixing a position to the jack front portion of jack terminal, the cover is equipped with spacing lid on the back installation department, should spacing cover be equipped with the notch that the opening is linked together, the rear end of this spacing lid is equipped with the end plate that is used for fixing a position the rear end of jack terminal, is equipped with the wire guide that is used for letting the power cord pass through with jack terminal correspondence department on this end plate.

The utility model discloses a preferred scheme, wherein, the front end of the preceding connector of socket is equipped with flip, be equipped with the key seat on the preceding connector outer wall, flip articulates on the key seat through the round pin axle, be equipped with the elastic element who makes flip be in the off-state between key seat and the flip.

Furthermore, flip is equipped with the splenium of pressing that is used for pressing open flip in the one end with key seat articulated, be equipped with on the key seat and be used for dodging the groove of dodging of pressing the splenium.

The power transmission and distribution connecting device is characterized by comprising the plug and the socket, wherein a hollow connecting column is arranged on a front connecting body of the plug, and the front part of the contact pin is positioned in the connecting column; a connecting hole matched with the connecting column is formed in the front connecting body of the socket, and the front part of the jack is located in the connecting hole; the pin front is inserted into the socket front.

Preferably, an assembly guide structure is arranged between the plug and the socket and comprises a guide block arranged on the outer surface of the connecting column of the plug and a guide groove arranged on the inner wall of the connecting hole of the socket, and the guide block is matched in the guide groove.

Compared with the prior art, the utility model following beneficial effect has:

1. when in wiring, the front connector and the rear connector are in a separated state, and the power cord passes through the wire passing hole of the rear connector and is connected with the wiring terminal arranged in the front connector. Because the wiring part of the wiring terminal is exposed and is in a visible state, the wiring operation is quite convenient. After the wiring is accomplished, preceding connector couples together through connection structure with the back connector, because the position that power cord and binding post are connected is in the utility model discloses the inside of connector to be convenient for sealed protection has increased the security.

2. The utility model discloses a connector both had been applicable to the plug, also was applicable to the socket, and the commonality is good, and especially the structure of the back connector in plug and the socket can be the same, and interchangeability is good, has reduced the kind of spare part, is favorable to practicing thrift manufacturing cost.

Drawings

Fig. 1 to 6 are schematic structural views of a first embodiment of the power transmission and distribution connector according to the present invention, and fig. 1 is a front view; FIG. 2 is a cross-sectional view; FIG. 3 is a perspective view from a first perspective; FIG. 4 is a perspective view of the front connector of the plug; FIG. 5 is a perspective view of the rear connector; FIG. 6 is a partial enlarged view of the anti-loosening structure

Fig. 7-11 are schematic structural views of a second embodiment of the transmission and distribution electrical connector of the present invention, and fig. 7 is a front view; FIG. 8 is a cross-sectional view; FIG. 9 is a perspective view from a first perspective; FIG. 10 is a perspective view from a second perspective; fig. 11 is a perspective view of the front connector of the receptacle.

Fig. 12-14 are schematic structural views of an embodiment of the transmission and distribution electrical connection device of the present invention, in which fig. 12 is a front view, fig. 13 is a cross-sectional view, and fig. 14 is a perspective view of a plug and a socket separated from each other.

Fig. 15 is a schematic structural diagram of a power transmission and distribution connector according to a third embodiment of the present invention.

Fig. 16 and 17 are schematic structural views of a fourth embodiment of the power transmission and distribution connector according to the present invention, in which fig. 16 is a front view, and fig. 17 is a right side view of a rear connecting body.

Wherein, 1, a plug; 2. a socket; 3. a plug front connector; 3-1, a guide block; 3-2, a pin terminal fixing frame; 3-3, mounting part; 3-4, opening; 3-5, connecting columns; 3-6, a plug front limiting groove; 4. a receptacle front connector; 4-1, a guide groove; 4-2, a jack terminal fixing frame; 4-3, a rear mounting part; 4-4, a pin boss; 4-5, opening; 4-6, a front positioning step; 4-7, a front mounting part; 4-8, avoiding the groove; 4-9, connecting holes; 5. a receptacle front retention groove; 6. a rear connector; 6-1, a rear limiting groove; 6-2, accommodating a tank; 6-3, positioning grooves; 6-4, blocking protrusions; 6-5, wire through holes; 7. a connecting structure; 8. a pin terminal; 8-1, front parts of contact pins, 8-2 and wiring holes; 8-3, a threaded hole; 9. a jack terminal; 9-1, the front part of the jack; 9-2, wiring holes; 9-3, a threaded hole; 10. a pin terminal wiring part; 11. a cover is turned; 11-1, a pressing part; 12. the anti-loose button; 12-1, a positioning section, 12-2 and a limiting section; 12-3, a positioning part; 12-4, a first positioning part; 12-5 parts of a second positioning part, 12-6 parts of an extrusion groove; 13. a waterproof ring; 13-1, an annular groove; 14. pressing and fastening; 14-1, horn-shaped through holes; 15. a compression sleeve; 16. threading the cable sleeve; 17. a locking structure; 18. a limiting cover; 18-1, end plates; 19. a pin shaft; 20. an elastic element; 21. a jack terminal wiring portion; 22. a screw; 23. a front flange; 23-1, front through holes; 24. a rear flange; 24-1, rear through holes; 25-1, a first pin shaft; 25-2 and a second pin shaft; 26. a first axial guide groove; 26-1, a first annular guide groove; 27. a second axial guide groove; 27-1, a second annular guide groove.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Example 1

Referring to fig. 1 to 6, the power transmission and distribution connector of the present embodiment includes a main body and a connection terminal disposed in the main body, the main body includes a front connection body and a rear connection body 6, wherein the connection terminal is disposed in the front connection body; the front connecting body and the rear connecting body 6 are connected together through a connecting structure 7, a wiring part connected with a power line is arranged at one end of the wiring terminal corresponding to the rear connecting body 6, and a power line wire passing hole 6-5 is arranged at one end of the rear connecting body far away from the front connecting body; when the front connector is not connected with the rear connector, the wiring part of the wiring terminal is exposed outside.

Referring to fig. 1 to 6, the transmission and distribution electrical connector of the present embodiment is a plug, the front connector is a plug front connector 3, the connection terminal in the plug front connector 3 is a pin terminal 8, and the pin terminal 8 includes a pin front portion 8-1 and a pin terminal connection portion 10; a wiring hole 8-2 for accommodating a power line is formed in the pin terminal wiring part 10, and a threaded hole 8-3 for locking the power line on the wiring hole 8-2 is further formed in the pin terminal wiring part 10; a pin terminal fixing frame 3-2 is arranged in the plug front connecting body 3, and a pin terminal 8 is arranged on the pin terminal fixing frame 3-2.

Referring to fig. 2 and 4, the pin terminal fixing frame 3-2 includes a mounting portion 3-3 for power line connection, the mounting portion 3-3 extends backward beyond the rear end of the plug front connecting body 3, the mounting portion 3-3 is provided with a radial opening 3-4, a pin terminal wiring portion 10 of the pin terminal 8 is located in the opening 3-4, and a threaded hole 8-3 of the pin terminal wiring portion 10 is exposed in the opening. In the above structure, since the mounting portion 3-3 is provided with the opening so that the screw hole 8-3 of the pin terminal wiring portion 10 is exposed to be in a visible state, it is convenient to assemble the screw 22 into the screw hole 8-3 by a screwdriver, and wiring is convenient.

Referring to fig. 2 and 4, the number of the pin terminals 8 is three, and the openings 3-4 corresponding to the pin terminal wiring portions 10 of the pin terminals 8 are all oriented in the same direction. The openings 3-4 corresponding to the pin terminal wiring part 10 face the same direction, so that the operation is only carried out in one direction during wiring, and the wiring is further facilitated.

Referring to fig. 2, the pin terminal wiring portion 10 has two screw holes 8-3, so that the output electric wire is more firmly connected to the pin terminal 8 by fixing the two screws 22.

Referring to fig. 2, the connection structure 7 is a threaded connection structure, the rear end of the plug front connection body 3 is provided with an external thread, the front end of the rear connection body 6 is provided with an internal thread corresponding to the external thread at the rear end of the plug front connection body 3, and the plug front connection body 3 is in threaded connection with the rear connection body 6. The threaded connection structure is adopted, so that the connection operation is simple, the assembly and disassembly are convenient, and a good sealing effect is achieved.

Referring to fig. 2-6, a connection part of the front plug connector 3 and the rear plug connector 6 is further provided with an anti-loosening structure 17, the anti-loosening structure comprises an anti-loosening buckle 12, a front plug limiting groove 3-6 arranged on the end surface of the front plug connector 3 and a rear limiting groove 6-1 arranged on the end surface of the rear plug connector 6, the front plug limiting groove 3-6 corresponds to and is communicated with the rear limiting groove 6-1, and the anti-loosening buckle 12 is embedded in the front plug limiting groove 3-6 and the rear plug limiting groove 6-1; through above-mentioned anti loosening structure 17, connector 3 and back connector 6 are not hard up before the plug after can preventing to connect, specifically, because the spacing groove of connector 3 and back connector 6 is detained in the embedding before the plug to the anti-loosening, consequently connector 3 and back connector 6 receive the restriction of anti-loosening knot 17 before the plug and can not rotate relatively, can not independently become flexible, have improved stability.

Referring to fig. 2, 5 and 6, the anti-loose fastener comprises a limiting section 12-2 and a positioning section 12-1, an accommodating groove 6-2 for accommodating the anti-loose fastener 12 is arranged in the rear connecting body 6, the accommodating groove 6-2 is communicated with a rear limiting groove 6-1 arranged in the rear connecting body, a positioning groove 6-3 is arranged at the bottom of the accommodating groove 6-2, and a positioning part 12-3 matched with the positioning groove 6-3 is arranged at the bottom of the positioning section 12-1. When the anti-loose buckle 12 is embedded into the limiting grooves in the front connector 3 and the rear connector 6 of the plug, the positioning part 12-3 is clamped in the positioning groove 6-3 at the bottom of the accommodating groove 6-2, so that the anti-loose buckle is not easy to loose, the relative rotation of the front connector 3 and the rear connector 6 of the plug is limited, and the anti-loose effect is achieved.

Referring to fig. 2 and 6, the positioning portion 12-3 at the bottom of the positioning section comprises a first positioning portion 12-4 and a second positioning portion 12-5 which are in a toothed shape, and the top surface of the positioning section 12-1 is provided with a pressing groove 12-6 for extruding the anti-loose fastener from the front limiting groove 3-6 and the rear limiting groove 6-1; the first positioning part 12-4 is tightly pressed against one end of the positioning groove 6-3, and the second positioning part 12-5 is tightly pressed against the other end of the positioning groove 6-3. The purpose of adopting the structure is that the first positioning part 12-4 and the second positioning part 12-5 which are in a tooth shape are arranged, so that when the anti-loose buckle 12 is installed in the front limiting groove 3-6 and the rear limiting groove 6-1 of the plug, the anti-loose buckle is conveniently embedded into the positioning groove 6-3 by utilizing the micro deformation of the first positioning part 12-4 and the second positioning part 12-5 under the action of extrusion force; the extrusion grooves 12-6 are arranged to facilitate the extrusion of the anti-loose buckle 12 from the front limiting groove 3-6 and the rear limiting groove 6-1 of the plug, and when in operation, an extrusion tool (such as a screwdriver) is inserted into the extrusion grooves 12-6 to extrude the anti-loose buckle 12 outwards.

Referring to fig. 5 and 6, one side of the first positioning portion 12-4 facing the corresponding end of the positioning groove 6-3 is a straight edge, one side of the second positioning portion 12-5 facing the corresponding end of the positioning groove 6-3 is a slanted edge, and the end of the positioning groove 6-3 corresponding to the slanted edge of the second positioning portion is also a slanted surface matching with the slanted edge. In the structure, the inclined edge of the second positioning part 12-5 and the inclined surface matched with the inclined edge in the positioning groove 6-3 are arranged, so that the anti-loosening buckle 12 is convenient to guide the positioning part 12-3 to be embedded into the positioning groove 6-3 when being installed, and is also convenient to guide the positioning part 12-3 to leave the positioning groove 6-3 when being detached; the straight edge of the first positioning part 12-4 is arranged, which is beneficial to improving the positioning effect.

Referring to fig. 5, the rear end of the receiving groove 6-2 is provided with a blocking protrusion 6-4 for preventing the locking 12 from falling. By arranging the blocking protrusion 6-4, after the anti-loose buckle is extruded out of the front limiting groove 3-6 of the plug, the anti-loose buckle still remains on the rear connecting body 6 and cannot fall off.

Referring to fig. 2, a waterproof structure is further arranged at the joint of the front connector 3 and the rear connector 6 of the plug, and the waterproof structure comprises an annular waterproof ring 13. An annular groove 13-1 is formed in the front connector 3 or the rear connector 6 of the plug, in the embodiment, the annular groove 13-1 is formed in the rear connector 6, and before the front connector 3 is connected with the rear connector 6, the annular waterproof ring 13 is placed on the annular groove 13-1 of the rear connector 6; above-mentioned waterproof construction plays waterproof effect before the plug connector 3 and the connection of back connector 6 when connecting, can prevent that steam from entering into the inside wiring position department of connector, has increased sealed effect, improves the security.

Referring to fig. 2, the tail of the rear connector is further provided with a compression structure, and the compression structure comprises a compression buckle 14, a compression sleeve 15 and a wire passing sleeve 16; the pressing buckle 14 is provided with an internal thread and is in threaded connection with the rear connecting body 6 with an external thread at the rear end. A pressing sleeve 15 is sleeved in the pressing buckle 14, a wire passing sleeve 16 is sleeved in the pressing sleeve 15, and a wire passing hole is formed in the wire passing sleeve; the tail part of the wire passing sleeve 16 is tapered to shrink, the tail part of the pressing sleeve 15 is tapered to shrink corresponding to the tail part of the wire passing sleeve, and a trumpet-shaped through hole 14-1 is formed in the position, corresponding to the tapered shrinking position of the tail part of the pressing sleeve 15, of the pressing buckle 14; after the power line passes through the pressing buckle 14, the pressing sleeve 15 and the wire passing sleeve 16 to be connected with the wiring terminal, the pressing buckle 14 is in threaded connection with the rear connecting body 6, and in the process of screwing the pressing buckle 14, the horn-shaped through hole 14-1 in the pressing buckle 14 extrudes the tail part of the pressing sleeve 15 which is tapered to shrink, and the pressing sleeve further extrudes the tail part of the wire passing sleeve 16, so that the power line is compressed.

Referring to fig. 2, the tail of the pressing sleeve 15 is made of a fence shape, which not only saves more material, but also is easier to deform to press the wire passing sleeve 16, and is more beneficial to pressing the power wire.

Example 2

The difference between this embodiment and embodiment 1 is that, in this embodiment, the power transmission and distribution connector is a socket, referring to fig. 7 to 11, the connection terminal in the socket front connector 4 is a jack terminal 9, and the jack terminal 9 includes a jack front portion 9-1 and a jack terminal connection portion 21; the jack terminal wiring part 21 is internally provided with a wiring hole 9-2 for accommodating a power cord, and the jack terminal wiring part 21 is also provided with a threaded hole 9-3 for locking the power cord on the wiring hole 9-2; a jack terminal fixing frame 4-2 is arranged in the socket front connector 4, and a jack terminal 9 is arranged on the jack terminal fixing frame 4-2.

Referring to fig. 8 and 11, the jack terminal fixing frame 4-2 includes a front mounting portion 4-7 for receiving the jack terminal 9 and a rear mounting portion 4-3 for connecting a power line, wherein the rear mounting portion 4-3 extends rearward beyond the rear end of the front connecting body 4 of the receptacle, a radial opening 4-5 is formed in the rear mounting portion 4-3, the jack terminal connection portion 21 of the jack terminal 9 is located in the opening 4-5, and the threaded hole 9-3 of the jack terminal connection portion 21 is exposed in the opening. In the structure, the rear mounting part 4-3 is provided with the opening, so that the threaded hole 9-3 of the jack terminal wiring part 21 is exposed and is in a visible state, the screw 22 can be conveniently assembled in the threaded hole 9-3 through a screwdriver, and wiring is convenient.

Referring to fig. 8 and 11, the number of the jack terminals 9 is three, and the openings 4-5 corresponding to the jack terminal wiring portions 21 of the jack terminals 9 all face the same direction; by enabling the openings 4-5 corresponding to the jack terminal wiring portion 21 to face the same direction, only one direction is needed during wiring, and wiring is further facilitated.

Referring to fig. 8, the number of the screw holes 9-3 of the jack terminal connecting portion 21 is two, so that the output electric wire is more firmly connected to the jack terminal 9 by fixing the two screws 22.

Referring to fig. 8, a front positioning step 4-6 for positioning the front portion 9-1 of the jack terminal 9 is arranged in the front mounting portion 4-7, a limiting cover 18 is sleeved on the rear mounting portion 4-3, a notch communicated with the opening 4-5 is formed in the limiting cover 18, an end plate 18-1 for positioning the rear end of the jack terminal 9 is arranged at the rear end of the limiting cover 18, and a wire guide hole for allowing a power line to pass through is formed in a position, corresponding to the jack terminal 9, of the end plate 18-1. Because the front positioning step 4-6 can position the front part 9-1 of the jack and the end plate 18-1 can position the rear end of the jack terminal 9, the jack terminal 9 cannot move in the jack terminal fixing frame 4-2, and the stability of inserting and combining with the pin terminal is improved.

Referring to fig. 7, 8, 9 and 10, a flip cover 11 is disposed at the front end of the front connector 4 of the socket, a pin seat 4-4 is disposed on the outer wall of the front connector, the flip cover 11 is hinged to the pin seat 4-4 by a pin 19, an elastic element 20 for urging the flip cover to be in a closed state is disposed between the pin seat 4-4 and the flip cover 11, and the elastic element is an elastic torsion spring. By arranging the flip cover 11, when the plug and the socket are not connected, the flip cover 11 is in a closed state under the action of the elastic element 20, and can cover the jack of the socket, thereby playing a role of safety protection.

Referring to fig. 10, a pressing portion 11-1 for pressing and opening the flip cover 11 is disposed at one end of the flip cover 11 hinged to the pin seat 4-4, and an avoiding groove 4-8 for avoiding the pressing portion 11-1 is disposed on the pin seat 4-4. When the folding cover is used, the pressing part 11-1 is pressed to enable the turning cover 11 to rotate so as to be opened, and in the opening process, the avoiding grooves 4-8 play an avoiding role on the pressing part.

Example 3

Compared with the embodiment 1 or 2, the difference of this embodiment is that, in this embodiment, the connection structure is a flange connection structure, a front flange 23 is provided at the rear end of the front connection body, a front through hole 23-1 is formed in the front flange, a rear flange 24 is provided at the front end of the rear connection body, a rear through hole 24-1 is formed in the rear flange 24 corresponding to the front through hole 23-1 of the front flange, the front flange 23 and the rear flange 24 are fixedly connected through a screw and a nut, specifically, the screw penetrates through the front through hole 23-1 of the front flange 23 and penetrates through the rear through hole 24-1 of the rear flange 24, and the nut is locked to connect the front connection body and the rear connection body of the plug.

Example 4

The difference between this embodiment and embodiment 1, embodiment 2 or embodiment 3 is that in this embodiment, the connection structure is a pin-and-buckle connection structure, and the inner wall of the rear connection body is provided with a first axial guide groove 26 and a second axial guide groove 27; the end part of the first axial guide groove 26 is provided with a first annular guide groove 26-1 along one direction, and the end part of the second axial guide groove 27 is provided with a second annular guide groove 27-1 along the other direction; the first annular guide groove 26-1 is communicated with the first axial guide groove 26, and the second annular guide groove 27-1 is communicated with the second axial guide groove 27; the outer wall of the front connecting body is provided with a first pin shaft 25-1 corresponding to the first axial guide groove 26 and a second pin shaft 25-2 corresponding to the second axial guide groove 27. When the front connector is connected with the rear connector, the first pin shaft 25-1 is matched with the first axial guide groove 26, the second pin shaft 25-2 is matched with the second axial guide groove 27, the front connector is inserted into the rear connector, the first pin shaft 25-1 and the second pin shaft 25-2 reach the first annular guide groove 26-1 and the second annular guide groove 27-1, the front connector is rotated until the first pin shaft 25-1 comes to the end part of the first annular guide groove 26-1 to be clamped, and the second pin shaft 25-2 also comes to the end part of the second annular guide groove 27-1 to be clamped due to the fact that the first annular guide groove 26-1 and the second annular guide groove 27-1 are opposite in direction, and the front connector is connected with the rear connector in a clamping manner.

Example 5

The difference between this embodiment and embodiment 1, embodiment 2, embodiment 3, or embodiment 4 is that, in this embodiment, the connection structure may also be a buckle connection structure, where the buckle connection structure includes a buckle, a buckle base disposed on the plug front connector, a pin shaft, and a hook disposed on the rear connector, one end of the buckle is hinged to the pin shaft, the pin shaft is mounted on the buckle base of the plug front connector, the rear end of the plug front connector is provided with a hollow connection column, and the front end of the rear connector is provided with a connection hole matched with the hollow connection column; after the hollow connecting column is inserted into the connecting hole, the other end of the buckle is clamped on the hook of the rear connecting body, so that the front connecting body and the rear connecting body of the plug are connected.

Example 6

The present embodiment is a power transmission and distribution connecting device including the plug described in embodiment 1 and the receptacle described in embodiment 2. Referring to fig. 12, 13 and 14, the plug front connector 3 is provided with a hollow connecting column 3-5, and the front pin portion 8-1 of the pin terminal 8 is located in the connecting column 3-5; the socket front connector 4 is provided with connecting holes 4-9 matched with the connecting columns 3-5, and the front part 9-1 of the jack terminal 9 is positioned in the connecting holes 4-9; the pin front portion 8-1 of the pin terminal 8 is inserted into the socket front portion 9-1 of the socket terminal 9.

Referring to fig. 14, an assembly guide structure is provided between the header 1 and the socket 2, the assembly guide structure includes a guide block 3-1 provided on an outer surface of a connection post 3-5 of the header 1 and a guide groove 4-1 provided at an inner wall of a connection hole 4-9 of the socket 2, and the guide block 3-1 is fitted in the guide groove 4-1. By providing the above-described fitting guide structure, it is possible to guide the plug 1 and the receptacle 2 to be accurately fitted at the time of fitting.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (10)

1. A power transmission and distribution connector comprises a main body and a wiring terminal arranged in the main body, and is characterized in that the main body comprises a front connecting body and a rear connecting body, wherein the wiring terminal is arranged in the front connecting body; the front connecting body and the rear connecting body are connected together through a connecting structure, one end of the wiring terminal, which corresponds to the rear connecting body, is provided with a wiring part connected with a power line, and one end of the rear connecting body, which is far away from the front connecting body, is provided with a power line passing hole; when the front connector is not connected with the rear connector, the wiring part of the wiring terminal is exposed outside.

2. The power transmission and distribution connector of claim 1, wherein the connection structure is a threaded connection structure.

3. The power transmission and distribution connector according to claim 2, wherein an anti-loosening structure is further arranged at the joint of the front connector and the rear connector, the anti-loosening structure comprises an anti-loosening buckle, a front limiting groove arranged on the end surface of the front connector and a rear limiting groove arranged on the end surface of the rear connector, the front limiting groove corresponds to and is communicated with the rear limiting groove in position, and the anti-loosening buckle is embedded in the front limiting groove and the rear limiting groove.

4. The power transmission and distribution connector according to any one of claims 1-3, wherein a waterproof structure is further provided at the junction of the front connector and the rear connector, and the waterproof structure comprises an annular waterproof ring.

5. The power transmission and distribution connector according to any one of claims 1-3, wherein the power transmission and distribution connector is a plug, the wiring terminals in the front connector body of the plug are pin terminals, and the pin terminals comprise pin front portions and pin terminal wiring portions; the pin terminal wiring part is internally provided with a wiring hole for accommodating a power line, and the pin terminal wiring part is also provided with a threaded hole for locking the power line on the wiring hole; and a pin terminal fixing frame is arranged in the front connector of the plug, and the pin terminal is arranged on the pin terminal fixing frame.

6. The power transmission and distribution connector of claim 5, wherein the pin terminal holder includes a mounting portion for power line connection, the mounting portion extending rearwardly beyond a rear end of the front connector of the plug, the mounting portion having a radial opening therein, the pin terminal connection portion being located in the opening, and a threaded hole in the pin terminal connection portion being exposed in the opening; the opening that the contact pin terminal wiring portion of a plurality of contact pin terminals corresponds all faces same direction, and the screw hole in the contact pin terminal wiring portion is two.

7. The power transmission and distribution connector according to any one of claims 1-3, wherein the power transmission and distribution connector is a socket, the terminal in the front connector body of the socket is a receptacle terminal, and the receptacle terminal comprises a receptacle front portion and a receptacle terminal connection portion; the jack terminal wiring part is internally provided with a wiring hole for accommodating a power line, and the jack terminal wiring part is also provided with a threaded hole for locking the power line on the wiring hole; a jack terminal fixing frame is arranged in the front connector of the socket, and the jack terminal is installed on the jack terminal fixing frame.

8. The power transmission and distribution connector of claim 7, wherein the jack terminal mounting bracket includes a front mounting portion for receiving the jack terminal and a rear mounting portion for providing a power cord connection, wherein the rear mounting portion extends rearwardly beyond a rear end of the front connector body of the receptacle, the rear mounting portion having a radial opening therein, the jack terminal connection portion being located within the opening, and a threaded hole in the jack terminal connection portion being exposed in the opening; the opening that jack terminal wiring portion of a plurality of jack terminals corresponds all faces same direction, just the screw hole in the jack terminal wiring portion is two.

9. The power transmission and distribution connector according to claim 7, wherein a flip cover is arranged at the front end of the front connecting body of the socket, a pin seat is arranged on the outer wall of the front connecting body, the flip cover is hinged on the pin seat through a pin shaft, and an elastic element for urging the flip cover to be in a closed state is arranged between the pin seat and the flip cover; the flip is equipped with the splenium of pressing that is used for pressing open flip in the one end articulated with the key seat, be equipped with on the key seat and be used for dodging the groove of dodging of pressing the splenium.

10. A power transmission and distribution connecting device, which comprises the plug of claim 5 or 6 and the socket of claim 7, 8 or 9, wherein the front connecting body of the plug is provided with a hollow connecting column, and the front part of the pin is positioned in the connecting column; a connecting hole matched with the connecting column is formed in the front connecting body of the socket, and the front part of the jack is located in the connecting hole; the pin front is inserted into the socket front.

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