Waterproof connector

Abstract

A waterproof connector comprises an insulating base which is a shell with an opening in one side and comprises a substrate, at least two first compartments are arranged on the inner side face of the substrate, and second compartments in one-to-one correspondence with the first compartments are arranged on the outer side face of the substrate; mounting platforms are convexly arranged at the upper parts of the inner side surfaces of the substrates in the first compartments; a strip-shaped through hole communicated with the first compartment and the second compartment is formed in the position, close to the fixed baffle, of the substrate in the second compartment, and supporting baffles matched with the mounting platform and the fixed baffle to form a terminal board slot are arranged on the inner side face and the outer side face of the substrate at the strip-shaped through hole respectively; a connecting counter bore with internal threads is formed in the center of the mounting platform, and a bushing with internal and external threads is arranged in the connecting counter bore; a mounting through hole and a plug sleeve are arranged on the lower end plate corresponding to the first compartment; the end cover is arranged on the opening side of the insulating base; the plurality of conductive terminal plates are L-shaped, one side edge of each conductive terminal plate is arranged on the mounting platform in the first compartment, is sleeved on the bushing and is in threaded connection with the bushing, and the other side edge of each conductive terminal plate is inserted into the corresponding terminal plate slot to be mounted on the insulating base in an embedded manner; the rear ends of the wiring terminal boards are connected with wires, the front ends of the wiring terminal boards extend into the first compartment from the plug sleeve and are arranged outside one side edge of the conductive terminal board, and the wiring terminal boards and the conductive terminal board are locked on the insulating base through cooperation of second wiring screws and linings.

Description

Technical Field

[0001] The utility model relates to an electric connector, in particular to a waterproof connector. Background Art

[0002] The common existing connectors are generally composed of an insulating base, a conductive sheet, a fastening screw, etc. Wiring holes for the power supply end and the load end are respectively provided on both sides of the connector.

[0003] For example, Chinese Patent No. 201620785960.8 discloses "an improved electrical connector, comprising an insulating base, an insulating cover, a plurality of wiring locking screws and nuts and a plurality of wiring terminals; wherein the insulating base comprises a bottom plate, on which a plurality of compartments are arranged; a transverse partition plate, plugged into the middle of the longitudinal partition plate; an insulating cover, a plunger type, comprising a cylindrical tube body and fixing portions 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 plate between the two compartments of the insulating base, and the cylindrical tube body fixing portion is arranged in the limiting groove at the upper part of the mounting through hole; the nut is arranged in the fixing groove at the upper part of the mounting platform through hole on the bottom plate in the corresponding power supply side chamber; a plurality of wiring terminals, one end of which is a conductive sheet with a connecting through hole, and the other end extends from the conductive sheet and bends inward to form a connecting portion for connecting the load side wire; the conductive sheet is inserted from the load side chamber through the transverse partition plate through hole into the power side chamber and overlapped on the mounting platform, and is electrically connected to the power side wire through the wiring locking screw and the nut.

[0004] The connector of the above structure is not designed with a waterproof structure and cannot be used in an environment that requires waterproofing. Summary of the invention

[0005] The utility model aims to provide a waterproof connector which can meet the waterproof requirements of the use environment through a sealing design, and also has the advantages of being rust-proof, dust-proof, compact in structure, and requiring a small installation space.

[0006] In order to achieve the above object, the technical solution of the utility model is:

[0007] A waterproof connector, comprising:

[0008] The insulating base is a shell with an opening on one side, comprising:

[0009] A substrate, on whose inner side surface a plurality of first partitions are arranged in parallel and spaced relation along the length direction, at least two first compartments which are independent and parallel and serve as the load side are formed on the inner side surface of the substrate along the length direction, and an upper end plate and a lower end plate which are connected to the first partition are respectively arranged at the upper and lower ends of the first partition; correspondingly, a plurality of second partitions are arranged in parallel and spaced relation along the length direction on the outer side surface of the substrate, and a second compartment which corresponds to the first compartment one by one and serves as the power supply side is formed on the outer side surface of the substrate, and a fixed baffle is arranged on one side of the second partition of the second compartment, and a connecting hole is arranged in the middle of the fixed baffle; a mounting platform is convexly arranged on the upper part of the inner side surface of the substrate in the first compartment; a strip-shaped through hole which connects the first and second compartments is arranged near the fixed baffle on the substrate in the second compartment, and supporting baffles which cooperate with the mounting platform and the fixed baffle to form a terminal board slot are respectively arranged on the inner and outer sides of the substrate at the strip-shaped through hole; a connecting countersunk hole with an internal thread is arranged in the center of the mounting platform, and a bushing with internal and external threads is arranged in the connecting countersunk hole; a mounting through hole is respectively arranged on the lower end plate corresponding to each first compartment, and a plug sleeve is respectively arranged, and the plug sleeve is made of elastic material, and its front side is an openable and closable structure;

[0010] An end cover, disposed at an outer end of the first partition plate on the opening side of the insulating base;

[0011] A plurality of conductive terminal boards, each of which is L-shaped and has connection holes on both sides, one of which is arranged on the mounting platform in the first compartment, sleeved on the bushing and threadedly connected, and the other side is inserted into the terminal board slot, extending outward to the second compartment, and fixed to the fixed baffle by the first wiring screw and nut, so that the conductive terminal board is embedded in the insulating base;

[0012] A plurality of terminal boards, the rear end of which is connected to the wire, the front end of which extends from the plug sleeve at the mounting through hole of the lower end plate into the first compartment, and is arranged outside one side of the conductive terminal board, and the second connecting screw and bushing cooperate to lock the terminal board and the conductive terminal board on the insulating base.

[0013] Preferably, the outer side surface of the insulating base substrate is provided with a first annular sealing groove and a first waterproof sealing ring surrounding the second compartment.

[0014] Preferably, a second annular sealing groove and a second waterproof sealing ring are circumferentially arranged on the opening side of the insulating base; correspondingly, an annular convex rib is arranged on the end cover, and is embedded in the second annular sealing groove to lock the second waterproof sealing ring in the second annular sealing groove.

[0015] Preferably, an annular groove is provided on the outer side surface of the sleeve along the circumferential direction, and the inner edge of the lower end plate mounting through hole is embedded in the annular groove to form a closed structure.

[0016] Preferably, the sleeve is made of rubber or TPE material.

[0017] Preferably, the substrate, the upper end plate, the lower end plate, the first partition plate, the second partition plate, the fixed baffle plate and the supporting baffle plate of the insulating base are an integrated structure.

[0018] Preferably, the connection between the terminal board and the wire is by crimping to form a crimped terminal.

[0019] Preferably, a fixed block for limiting the position of a nut matched with the first connecting screw is provided on the outer side of the fixed baffle connecting hole on one side of the second partition.

[0020] Preferably, a plurality of grooves and / or a through hole are provided at intervals on the middle surface of the conductive terminal plate, so that the conductive terminal plate can be more firmly connected and sealed with the injection-molded insulating base.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The conductive terminal board of the utility model is embedded in the insulating base, which not only ensures stability, but also has the advantages of waterproof and rust-proof. At the same time, a plug sleeve is designed for the wires connected from the outside to the insulating base to ensure the airtightness of the insulating base. In addition, an annular sealing ring is set on both ends of the insulating base to further ensure the airtightness of the connector and the airtightness of the assembly with other devices. Through the above-mentioned multiple airtight and waterproof structure design, the waterproof level of the connector of the utility model reaches IP66.

[0023] In addition, a connection countersunk hole with internal threads is provided in the center of the installation platform in the insulating base of the utility model, and a bushing with internal and external threads is provided in the connection countersunk hole; one side of the conductive terminal board is sleeved on the bushing and threadedly connected, and the second connecting screw and the bushing cooperate to lock the connecting terminal board and the conductive terminal board to the insulating base. The above innovative design enables the conductive terminal board and the conductive terminal board to be more stably connected to the insulating base without damaging the surface coating of the conductive terminal board, thereby achieving the purpose of rust prevention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The three-dimensional embodiment of the utility model Figure 1 ;

[0025] Figure 2 The three-dimensional embodiment of the utility model Figure 2 ;

[0026] Figure 3 It is a front view of an embodiment of the utility model;

[0027] Figure 4 for Figure 3 AA section view;

[0028] Figure 5 for Figure 3 BB cross-sectional view;

[0029] Figure 6 It is a three-dimensional exploded view of an embodiment of the utility model;

[0030] Figure 7 This is a three-dimensional exploded view of the coordination between the conductive terminal board and the wiring terminal board in the embodiment of the utility model;

[0031] Figure 8 The three-dimensional insulating base of the utility model embodiment Figure 1 ;

[0032] Fig. 9 The three-dimensional insulating base of the utility model embodiment Figure 2 ;

[0033] Fig.10 It is a front view of the insulating base in the embodiment of the utility model;

[0034] Fig.11 It is a rear view of the insulating base in the embodiment of the utility model;

[0035] Fig.12 for Fig.10 CC section view;

[0036] Fig.13 for Fig.10 DD cross-sectional view. DETAILED DESCRIPTION

[0037] See also Figures 1 to 13 The waterproof connector of the utility model comprises:

[0038] The insulating base 1 is a shell with an opening on one side, comprising:

[0039] The substrate 11 has a plurality of first partitions 12 arranged in parallel and spaced relation along the length direction on the inner side thereof, and at least two first compartments 101 which are arranged in parallel and independently and serve as the load side are formed on the inner side of the substrate 11 along the length direction, and an upper end plate 13 and a lower end plate 14 which are connected to the first partition 12 are respectively arranged at the upper and lower ends of the first partition 12; correspondingly, a plurality of second partitions 15 are arranged in parallel and spaced relation along the length direction on the outer side of the substrate 11, and a second compartment 102 which corresponds to the first compartment 101 and serves as the power supply side is formed on the outer side of the substrate 11, and a fixed baffle 16 is arranged on one side of the second partition 15 of the second compartment 102, and a connecting hole 161 is arranged in the middle of the fixed baffle 16; the substrate 1 in the first compartment 101 1. A mounting platform 17 is convexly provided on the upper part of the inner side surface; a strip-shaped through hole 111 connecting the first compartment 101 and the second compartment 102 is provided near the fixed baffle 16 on the substrate 11 in the second compartment 102, and supporting baffles 18 and 18' are respectively provided on the inner and outer sides of the substrate 11 at the strip through hole 111, which cooperate with the mounting platform 17 and the fixed baffle 16 to form the terminal board slot 103; a connecting countersunk hole 171 with internal threads is provided in the center of the mounting platform 17, and a bushing 2 with internal and external threads is provided in the connecting countersunk hole 171; a mounting through hole 141 is respectively provided on the lower end plate 14 corresponding to each first compartment 101, and a plug sleeve 3 is respectively provided, and the plug sleeve is made of elastic material, and its front side is an openable and closable structure;

[0040] An end cover 19 is provided at the outer end of the first partition plate 12 at the opening side of the insulating base 1;

[0041] A plurality of conductive terminal boards 4, the conductive terminal boards 4 are L-shaped, and the two side edges 41 and 42 thereof are respectively provided with connection holes, wherein one side edge 41 is arranged on the mounting platform 17 in the first compartment 101, sleeved on the bushing 2 and threadedly connected, and the other side edge 42 is inserted into the terminal board slot 103, extends outward to the second compartment 102, and is fixed to the fixed baffle 16 by the first wiring screw 5 and the nut, so that the conductive terminal board 4 is embedded in the insulating base 1;

[0042] A plurality of terminal boards 6, the rear end of the terminal boards 6 is connected to the wire 100, the front end of the terminal boards 6 extends from the plug sleeve 3 at the installation through hole 141 of the lower end plate 14 into the first compartment 101, and is arranged outside one side of the conductive terminal board 4, and the second wiring screw 7 and the bushing 2 cooperate to lock the terminal boards 6 and the conductive terminal board 4 on the insulating base 1. Since the plug sleeve 3 is made of elastic material, its front side is an openable and closable structure, and the wire 100 is inserted into the plug sleeve 3 and is completely fitted by the front side of the plug sleeve 3, ensuring the airtightness of the insulating base 1.

[0043] Preferably, the outer side surface of the substrate 11 of the insulating base 1 is provided with a first annular sealing groove 112 and a first waterproof sealing ring 8 surrounding the second compartment 102 .

[0044] Preferably, a second annular sealing groove 113 and a second waterproof sealing ring 9 are circumferentially provided on the opening side of the insulating base 1; accordingly, an annular convex rib 191 is provided on the end cover 19, and is embedded in the second annular sealing groove 113 to lock the second waterproof sealing ring 9 in the second annular sealing groove 113.

[0045] The four corners of the opening end of the insulating base 1 are respectively provided with a captive screw, and the end cover 19 is connected thereto.

[0046] Preferably, an annular groove 31 is provided on the outer side surface of the plug sleeve 3 along the circumferential direction, and the inner edge of the mounting through hole 141 of the lower end plate 14 is embedded in the annular groove 31 to form a closed structure.

[0047] Preferably, the sleeve 3 is made of rubber or TPE material.

[0048] Preferably, the substrate, the upper end plate, the lower end plate, the first partition plate, the second partition plate, the fixed baffle plate and the supporting baffle plate of the insulating base are an integrated structure.

[0049] Preferably, the connection between the terminal board and the wire is by crimping to form a crimped terminal.

[0050] Preferably, a fixed block 162 for limiting the position of a nut matched with the first connecting screw 5 is provided on the outer side of the connecting hole 161 of the fixed baffle 16 on one side of the second partition plate 15 .

[0051] Preferably, a plurality of grooves 43 and / or a through hole 44 are arranged at intervals on the middle surface of the conductive terminal plate 4 .

[0052] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model is described in detail with reference to the preferred embodiments, a person skilled in the art should understand that the technical solution of the invention can be modified or replaced by equivalents without departing from the scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A waterproof connector, characterized in that: include, The insulating base is a shell with an opening on one side, comprising: A substrate, on whose inner side surface a plurality of first partitions are arranged in parallel and spaced relation along the length direction, at least two first compartments which are independent and parallel and serve as the load side are formed on the inner side surface of the substrate along the length direction, and an upper end plate and a lower end plate which are connected to the first partition are respectively arranged at the upper and lower ends of the first partition; correspondingly, a plurality of second partitions are arranged in parallel and spaced relation along the length direction on the outer side surface of the substrate, and a second compartment which corresponds to the first compartment one by one and serves as the power supply side is formed on the outer side surface of the substrate, and a fixed baffle is arranged on one side of the second partition of the second compartment, and a connecting hole is arranged in the middle of the fixed baffle; a mounting platform is convexly arranged on the upper part of the inner side surface of the substrate in the first compartment; a strip-shaped through hole which connects the first and second compartments is arranged near the fixed baffle on the substrate in the second compartment, and supporting baffles which cooperate with the mounting platform and the fixed baffle to form a terminal board slot are respectively arranged on the inner and outer sides of the substrate at the strip-shaped through hole; a connecting countersunk hole with an internal thread is arranged in the center of the mounting platform, and a bushing with internal and external threads is arranged in the connecting countersunk hole; a mounting through hole is respectively arranged on the lower end plate corresponding to each first compartment, and a plug sleeve is respectively arranged, and the plug sleeve is made of elastic material, and its front side is an openable and closable structure; An end cover is arranged at the outer end of the first partition on the opening side of the insulating base; a plurality of conductive terminal boards, the conductive terminal boards are L-shaped, and connection holes are respectively arranged on both sides thereof, one side of which is arranged on the mounting platform in the first compartment, sleeved on the bushing and threadedly connected, and the other side is inserted into the terminal board slot, extending outward to the second compartment, and fixed to the fixed baffle by the first wiring screw and nut, so that the conductive terminal board is embedded in the insulating base; A plurality of terminal boards, the rear end of which is connected to the wire, the front end of which extends from the plug sleeve at the mounting through hole of the lower end plate into the first compartment, and is arranged outside one side of the conductive terminal board, and the second connecting screw and bushing cooperate to lock the terminal board and the conductive terminal board on the insulating base.

2. The waterproof connector according to claim 1, characterized in that: The outer side surface of the insulating base substrate is provided with a first annular sealing groove and a first waterproof sealing ring surrounding the second compartment.

3. The waterproof connector according to claim 1 or 2, characterized in that: The opening side of the insulating base is circumferentially provided with a second annular sealing groove and a second waterproof sealing ring; correspondingly, the end cover is provided with an annular convex rib, which is embedded in the second annular sealing groove to lock the second waterproof sealing ring in the second annular sealing groove.

4. The waterproof connector according to claim 1, characterized in that: An annular groove is arranged on the outer side surface of the plug sleeve along the circumferential direction, and the inner edge of the lower end plate mounting through hole is embedded in the annular groove to form a closed structure.

5. The waterproof connector according to claim 1 or 4, characterized in that: The material of the plug sleeve is rubber.

6. The waterproof connector according to claim 1, 2 or 4, characterized in that: The substrate, the upper end plate, the lower end plate, the first baffle, the second baffle, the fixed baffle and the supporting baffle of the insulating base are an integrated structure.

7. The waterproof connector according to claim 3, characterized in that: The substrate, the upper end plate, the lower end plate, the first baffle, the second baffle, the fixed baffle and the supporting baffle of the insulating base are an integrated structure.

8. The waterproof connector according to claim 1, characterized in that: The connection mode between the terminal block and the wire is crimping to form a crimped terminal.

9. The waterproof connector according to claim 1, characterized in that: A fixed block for limiting the position of a nut matched with the first connecting screw is arranged outside the fixed baffle connecting hole on one side of the second partition.

10. The waterproof connector according to claim 1, characterized in that: A plurality of grooves and / or a through hole are arranged at intervals on the middle surface of the conductive terminal plate.

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