An electrical connector

Abstract

An electrical connector includes: an insulating base comprising: a substrate having a plurality of first partitions spaced apart along its length to form at least three first compartments; front and rear end plates for the first partitions, with mounting through holes on the front end plate corresponding to each first compartment, and a fixing frame protruding from the front end face of the front end plate; a plurality of second partitions for the bottom surface of the substrate to form second compartments corresponding to the first compartments; a front baffle for the front end of the second partition, and a fixing plate parallel to the front baffle for the second compartment, with a strip-shaped through hole on the substrate between the fixing plate and the front baffle; a top cover; a plurality of L-shaped conductive terminal plates including upper and lower connecting portions; the upper connecting portion being disposed in the first compartment, and the lower connecting portion being inserted into the second compartment through the strip-shaped through hole of the substrate; a plurality of waterproof plugs, the front of which are fastened to the mounting through holes on the front end plate; a locking plate including a substrate and a frame; the locking plate being fastened to the fixing frame of the front end plate; and a plurality of fixing plugs being fastened to the mounting holes of the locking plate.

Description

Technical Field

[0001] This utility model relates to electrical connectors, and more particularly to an electrical connector. Background Technology

[0002] Common connectors typically consist of an insulating base, conductive plates, and fastening screws. Wiring holes for the power supply and load are located on both sides of the connector.

[0003] For example, Chinese Patent No. 201620785960.8 discloses "An improved electrical connector, including an insulating base, an insulating cover, a plurality of wiring locking screws and nuts, and a plurality of terminals; wherein, the insulating base includes a base plate having a plurality of compartments thereon; a transverse partition inserted into the middle of a longitudinal partition; the insulating cover, plunger type, including a cylindrical tube body and fixing parts located on both sides of the outer wall of the cylindrical tube body; the insulating cover is inserted into the mounting through hole of the transverse partition between two corresponding compartments of the insulating base, and the fixing part of the cylindrical tube body is provided in the limiting groove at the upper part of the mounting through hole; the nut is provided in the fixing groove at the upper part of the mounting platform through hole on the bottom plate of the corresponding power supply side cavity; a plurality of terminals, one end of which is a conductive piece with a connecting through hole, and the other end extends from the conductive piece and bends inward to form a connecting part for connecting the load side wire; the conductive piece is inserted from the load side cavity through the through hole of the transverse partition into the power supply side cavity and overlaps on the mounting platform, and is electrically connected to the power supply side wire by the cooperation of the wiring locking screws and nuts.

[0004] The connectors described above are not designed to be waterproof and are therefore unsuitable for environments requiring waterproofing. Summary of the Invention

[0005] The purpose of this invention is to provide an electrical connector that can be directly connected using bare wires, making it more convenient and flexible to use; moreover, through a multi-seal design, it can meet the waterproof requirements of the usage environment, achieving a waterproof rating of IP67.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows:

[0007] An electrical connector comprising,

[0008] Insulating base, including,

[0009] A substrate has several first partitions arranged side-by-side along its length. At least three independent first compartments, serving as load sides, are formed on the upper surface of the substrate along its length. The first partitions have front and rear end plates. The front plate has mounting through holes corresponding to each first compartment, and the front end face of the front plate has a fixing frame protruding around the mounting through holes. Several second partitions are arranged side-by-side along the length of the substrate. The bottom surface of the substrate has second compartments that correspond one-to-one with the first compartments and serve as power supply sides. The front end of the second partition has a front baffle. Each second compartment has a fixing plate parallel to the front baffle. The substrate between the fixing plate and the front baffle has a strip-shaped through hole connecting the first and second compartments. The fixing plate has connecting holes or connecting grooves.

[0010] A top cover is disposed at the upper end of the first partition, the front end plate, and the rear end plate;

[0011] A plurality of conductive terminal boards, the conductive terminal boards being L-shaped, including an upper connecting portion and a lower connecting portion extending downward from one side of the upper connecting portion; the upper connecting portion is a single piece, having a first through hole extending from front to back and a second through hole perpendicularly communicating with the first through hole on its top surface, the second through hole having a locking screw, preferably a headless screw; the upper connecting portion of the conductive terminal board is disposed in a first compartment, the lower connecting portion is inserted into the second compartment through a strip-shaped through hole in the substrate, the lower connecting portion having a connecting screw hole, and the lower connecting portion being locked to the connecting hole or connecting groove of the fixing plate by a wiring screw;

[0012] Several waterproof plugs are attached to the mounting through holes on the front end plate. A diaphragm is provided in the middle of the inner cavity of the plug, and a slit is provided in the center of the diaphragm for the cable to pass through.

[0013] A locking plate includes a base plate and a frame along its outer perimeter; a mounting hole is provided on the base plate corresponding to the waterproof plug in the mounting through hole on the front end plate, and an arc-shaped stop is protruding along the mounting hole on the inner side of the base plate; the locking plate is fastened in the fixing frame of the front end plate, and the arc-shaped stop is fastened to the rear of the waterproof plug.

[0014] Several fixing plugs are respectively fastened into the mounting holes of the locking plate.

[0015] Preferably, the mounting holes on the base plate of the locking plate are provided with at least two arc-shaped grooves spaced apart circumferentially along the inner edge, and a notch is provided at one end of the bottom of the arc-shaped groove; correspondingly, the fixing plug is tubular, with at least two grooves spaced apart circumferentially along the front part of its outer wall, and at least two protrusions matching the notch are spaced apart circumferentially along the rear part of its outer wall, and the protrusions and grooves are located on the same axis.

[0016] Preferably, the middle of the two side frames and / or the middle of the upper and lower side frames of the locking plate frame is provided with an elastic arm with a hook at the front end. Correspondingly, the two sides of the fixing frame of the front end plate and / or the upper and lower side frames of the fixing frame are provided with slots for the hooks at the front end of the elastic arms to be inserted.

[0017] Preferably, the waterproof plug includes a body and a plug head; wherein,

[0018] The main body is cylindrical, with a conical sleeve arranged along the axial direction on its inner wall. At least two annular flanges are spaced apart along the axial direction on the inner wall of the conical sleeve. A diaphragm is provided at the center of the front end of the conical sleeve, and a slit is provided at the center of the diaphragm for the cable to pass through.

[0019] The plug has a conical outer surface at its front and a through hole at the center of its front end through which the power supply line passes.

[0020] Preferably, the outer wall of the plug is provided with a fixing groove along the circumference, and correspondingly, the port of the mounting through hole of the front end plate is provided with a boss along the circumference, and is thus embedded in the fixing groove to form a sealing structure.

[0021] Preferably, the body and the plug head of the waterproof plug are an integral structure.

[0022] Preferably, the upper surface of the insulating base formed by the upper ends of the first partition plate, the front end plate, and the rear end plate is provided with a first annular sealing groove and a first waterproof sealing ring in the circumferential direction; preferably, the inner side of the top cover of the insulating base is provided with a support frame corresponding to the first waterproof sealing ring, thereby pressing against the first waterproof sealing ring.

[0023] Preferably, the bottom surface of the substrate of the insulating base is provided with a second annular sealing groove and a second waterproof sealing ring surrounding the second compartment.

[0024] Preferably, the waterproof plug is made of rubber, and / or the fixing plug and locking plate are made of plastic.

[0025] Preferably, the base plate, front end plate, rear end plate, first partition, second partition, front baffle and fixing plate of the insulating base are an integral structure.

[0026] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0027] This utility model, through the innovative design of the insulating base and conductive terminal board, allows for direct wiring with bare wires, eliminating the need for processing the wire ends with terminals such as crimped terminals, as required by existing technologies.

[0028] This utility model features a locking plate that is fastened to the rear of the waterproof plug to prevent deformation of the waterproof plug, which would affect the overall waterproof performance of the electrical connector.

[0029] This utility model designs a locking plate and a fixing plug that work together, allowing for the selection of whether or not to use the fixing plug depending on the wire diameter. When the wire diameter is large, there is no need to install the fixing plug; the wire passes directly through the locking plate into the insulating base. When the wire diameter is small, the fixing plug is fastened to the locking plate to accommodate small-diameter wires and ensure the stability of the installation. It also makes the electrical connector more flexible, allowing the use of wires of different diameters to meet various wiring needs of users on site.

[0030] This utility model features a multi-seal structure that meets the waterproof requirements of the usage environment, achieving a waterproof rating of IP67. Attached Figure Description

[0031] Figure 1 Three-dimensional representation of the present utility model Figure 1 ;

[0032] Figure 2 Three-dimensional representation of the present utility model Figure 2 ;

[0033] Figure 3 This is an exploded perspective view of an embodiment of the present utility model;

[0034] Figure 4 This is a front view of an embodiment of the present utility model;

[0035] Figure 5 for Figure 4 AA section view;

[0036] Figure 6 The three-dimensional representation of the insulating base in this utility model embodiment Figure 1 ;

[0037] Figure 7 The three-dimensional representation of the insulating base in this utility model embodiment Figure 2 ;

[0038] Figure 8 The three-dimensional representation of the insulating base in this utility model embodiment Figure 3 ;

[0039] Figure 9 This is a perspective view of the waterproof plug, locking plate, and fixing plug in an embodiment of this utility model. Detailed Implementation

[0040] See Figures 1-9 The electrical connector described in this utility model includes,

[0041] Insulating base 1, including,

[0042] A substrate 11 has several first partitions 12 arranged side-by-side along its length. At least three independent first compartments 101, serving as load sides, are formed on the upper surface of the substrate 11 along its length. Each first partition 12 has a front end plate 13 and a rear end plate 14. The front end plate 13 has mounting through holes 131 corresponding to each first compartment 101, and a fixing frame 132 protrudes from the front end face of the front end plate 13, surrounding the mounting through holes 131. The first partitions 12 are arranged side-by-side along their length on the bottom surface of the substrate 11. A plurality of second partitions 15 are provided, and a second compartment 102 corresponding to the first compartment 101 and serving as the power supply side is formed on the bottom surface of the substrate 11; a front baffle 16 is provided at the front end of the second partition 15, and a fixing plate 17 parallel to the front baffle 16 is provided in each second compartment 102; a strip-shaped through hole 111 connecting the first compartment 101 and the second compartment 102 is provided on the substrate 11 between the fixing plate 17 and the front baffle 16; a connecting hole or connecting groove 171 is provided on the fixing plate 17;

[0043] The top cover 18 is disposed on the upper end of the first partition 12, the front end plate 13, and the rear end plate 14;

[0044] A plurality of conductive terminal plates 2 are L-shaped, including an upper connecting portion 21 and a lower connecting portion 22 extending downward from one side of the upper connecting portion 21. The upper connecting portion 21 is a single piece, having a first through hole 211 extending through the front and back and a second through hole 212 (screw hole) perpendicularly communicating with the first through hole 211 on its top surface. A locking screw 23 is provided in the second through hole 212. Preferably, the locking screw 23 is a headless screw. The upper connecting portion 21 of the conductive terminal plate 2 is disposed in the first compartment 101, and the lower connecting portion 22 is inserted into the second compartment 102 through the strip-shaped through hole 111 of the substrate 11. The lower connecting portion 22 has a connecting screw hole 221, and the lower connecting portion 22 is locked to the connecting hole or connecting groove 171 of the fixing plate 17 by a wiring screw 24.

[0045] Several waterproof plugs 3 are attached to the front end of the front end plate 13 with mounting through holes 131. A diaphragm 31 is provided in the middle of the inner cavity of the plug 3, and a slit is provided in the center of the diaphragm for the cable to pass through.

[0046] The locking plate 4 includes a base plate 41 and a frame 42 along its outer periphery; the base plate 41 is provided with a mounting hole 411 corresponding to the waterproof plug 3 in the mounting through hole 131 on the front end plate 13, and an arc-shaped stop 412 protrudes from the inner side of the base plate 41 along the mounting hole 411; the locking plate 4 is fastened in the fixing frame 132 of the front end plate 13, and the arc-shaped stop 412 is fastened to the rear of the waterproof plug 3;

[0047] Several fixing plugs 5 are respectively fastened into the mounting holes 411 of the locking plate 4.

[0048] Preferably, the mounting holes 411 on the base plate 41 of the locking plate 4 are provided with at least two arc-shaped grooves 413 spaced apart circumferentially along the inner edge, and a notch 414 is provided at one end of the bottom of the arc-shaped grooves 413; correspondingly, the fixing plug 5 is tubular, with at least two grooves 51 spaced apart circumferentially along the front part of its outer wall, and at least two protrusions 52 spaced apart circumferentially along the rear part of its outer wall that match the notch 414, and the protrusions 52 and the grooves 51 are located on the same axis.

[0049] Preferably, the middle of the two side frames and / or the middle of the upper and lower frames of the locking plate 4 frame 42 are respectively provided with an elastic arm 43, 43' with a hook at the front end. Correspondingly, the two sides of the fixing frame 132 of the front end plate 13 and / or the upper and lower frames of the fixing frame are respectively provided with slots 133, 133' for the hooks at the front end of the elastic arms 43, 43' to be inserted.

[0050] Preferably, the waterproof plug 3 includes a body 31 and a plug head 32; wherein,

[0051] The main body 31 is cylindrical, and a conical sleeve 311 is provided on its inner wall along the axial direction. At least two annular flanges are provided on the inner wall of the conical sleeve 311 along the axial direction. A diaphragm 312 is provided at the center of the front end of the conical sleeve 311, and a slit is provided in the center of the diaphragm for the cable to pass through.

[0052] The plug 32 has a conical outer surface at its front and a through hole at the center of its front end through which the power supply line passes.

[0053] Preferably, the outer wall of the plug 32 is provided with a fixing groove 321 along the circumference, and correspondingly, the port of the mounting through hole 131 of the front end plate 1 is provided with a boss 1311 along the circumference, and is thus embedded in the fixing groove 321 to form a sealing structure.

[0054] Preferably, the body and the plug head of the waterproof plug are an integral structure.

[0055] Preferably, the upper surface of the insulating base 1 formed by the upper ends of the first partition plate 12, the front end plate 13, and the rear end plate 14 is provided with a first annular sealing groove 19 and a first waterproof sealing ring 6 along the circumferential direction; preferably, the inner side of the top cover 18 of the insulating base 1 is provided with a support frame 181 corresponding to the first waterproof sealing ring 6, thereby pressing against the first waterproof sealing ring 6.

[0056] Preferably, the bottom surface of the substrate 11 of the insulating base 1 is provided with a second annular sealing groove 112 and a second waterproof sealing ring 7 surrounding the second compartment 102.

[0057] Preferably, the waterproof plug is made of rubber, and / or the fixing plug and locking plate are made of plastic.

[0058] Preferably, the base plate, front end plate, rear end plate, first partition, second partition, front baffle and fixing plate of the insulating base are an integral structure.

[0059] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of the invention without departing from the scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An electrical connector, characterized in that, include, Insulating base, including, A substrate has several first partitions arranged side-by-side along its length. At least three independent first compartments, serving as load sides, are formed on the upper surface of the substrate along its length. The first partitions have front and rear end plates. The front plate has mounting through holes corresponding to each first compartment, and the front end face of the front plate has a fixing frame protruding around the mounting through holes. Several second partitions are arranged side-by-side along the length of the substrate. The bottom surface of the substrate has second compartments that correspond one-to-one with the first compartments and serve as power supply sides. The front end of the second partition has a front baffle. Each second compartment has a fixing plate parallel to the front baffle. The substrate between the fixing plate and the front baffle has a strip-shaped through hole connecting the first and second compartments. The fixing plate has connecting holes or connecting grooves. A top cover is disposed at the upper end of the first partition, the front end plate, and the rear end plate; A plurality of conductive terminal boards, the conductive terminal boards being L-shaped, including an upper connecting portion and a lower connecting portion extending downward from one side of the upper connecting portion; the upper connecting portion is a single piece, having a first through hole extending from front to back and a second through hole perpendicularly communicating with the first through hole on its top surface, and a locking screw being provided in the second through hole; the upper connecting portion of the conductive terminal board is disposed in a first compartment, and the lower connecting portion is inserted into the second compartment through a strip-shaped through hole in the substrate, the lower connecting portion having a connecting screw hole, and the lower connecting portion being locked to the connecting hole or connecting groove of the fixing plate by a wiring screw; Several waterproof plugs are attached to the mounting through holes on the front end plate. A diaphragm is provided in the middle of the inner cavity of the plug, and a slit is provided in the center of the diaphragm for the cable to pass through. A locking plate includes a base plate and a frame along its outer perimeter; a mounting hole is provided on the base plate corresponding to the waterproof plug in the mounting through hole on the front end plate, and an arc-shaped stop is protruding along the mounting hole on the inner side of the base plate; the locking plate is fastened in the fixing frame of the front end plate, and the arc-shaped stop is fastened to the rear of the waterproof plug. Several fixing plugs are respectively fastened into the mounting holes of the locking plate.

2. The electrical connector as claimed in claim 1, characterized in that, The mounting holes on the base plate of the locking plate are provided with at least two arc-shaped grooves spaced apart circumferentially along the inner edge, and a notch is provided at one end of the bottom of the arc-shaped groove; correspondingly, the fixing plug is tubular, with at least two grooves spaced apart circumferentially along the front part of its outer wall, and at least two protrusions matching the notch are spaced apart circumferentially along the rear part of its outer wall, and the protrusions and grooves are located on the same axis.

3. The electrical connector as described in claim 1 or 2, characterized in that, The locking plate has an elastic arm with a hook at the front end in the middle of the two side frames and / or the middle of the upper and lower side frames. Correspondingly, the front plate has slots on both sides of the fixing frame and / or the upper and lower side frames of the fixing frame for the hook at the front end of the elastic arm to be inserted.

4. The electrical connector as claimed in claim 1, characterized in that, The waterproof plug includes a body and a plug head; wherein... The main body is cylindrical, with a conical sleeve arranged along the axial direction on its inner wall. At least two annular flanges are spaced apart along the axial direction on the inner wall of the conical sleeve. A diaphragm is provided at the center of the front end of the conical sleeve, and a slit is provided at the center of the diaphragm for the cable to pass through. The plug has a conical outer surface at its front and a through hole at the center of its front end through which the power supply line passes.

5. The electrical connector as described in claim 4, characterized in that, The outer wall of the plug is provided with a fixing groove along the circumference. Correspondingly, the port of the mounting through hole of the front end plate is provided with a boss along the circumference, and is thus embedded in the fixing groove to form a sealing structure.

6. The electrical connector as claimed in claim 4 or 5, characterized in that, The waterproof plug's body and plug head are a single integrated structure.

7. The electrical connector as claimed in claim 1, characterized in that, The upper surface of the insulating base formed by the upper ends of the first partition, the front end plate, and the rear end plate is provided with a first annular sealing groove and a first waterproof sealing ring along the circumferential direction.

8. The electrical connector as claimed in claim 7, characterized in that, The inner side of the top cover of the insulating base is provided with a support frame corresponding to the first waterproof sealing ring, thereby pressing against the first waterproof sealing ring.

9. The electrical connector as claimed in claim 1, 7, or 8, characterized in that, The bottom surface of the substrate of the insulating base is provided with a second annular sealing groove and a second waterproof sealing ring surrounding the second compartment.

10. The electrical connector as claimed in claim 1, characterized in that, The waterproof plug is made of rubber, and / or the fixing plug and locking plate are made of plastic.

11. The electrical connector as claimed in claim 1, 7, or 8, characterized in that, The insulating base consists of a substrate, front end plate, rear end plate, first partition, second partition, front baffle, and fixing plate, all of which are integral structures.

12. The electrical connector as claimed in claim 9, characterized in that, The insulating base consists of a substrate, front end plate, rear end plate, first partition, second partition, front baffle, and fixing plate, all of which are integral structures.

13. The electrical connector as claimed in claim 1, characterized in that, The locking screw is a headless screw.

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