CN212751341U - Multifunctional waterproof electric connector structure - Google Patents

Abstract

The utility model discloses a multifunctional waterproof electric connector structure, which comprises a male connector and a female connector which are detachably connected with each other, wherein the male connector comprises a body which is provided with a through hole for fixing a first male terminal and a groove for fixing a core body, the core body is provided with one or more rows of linearly arranged first positioning holes, the male connector is fixedly provided with a second male terminal, a first elastic body is arranged between the through hole and the first male terminal, a second elastic body is arranged between the groove and the first core body, the female connector comprises a body which is provided with a through hole for fixing the first female terminal and a groove for fixing the core body, the core body is provided with a second positioning hole which is longitudinally opposite to the first positioning hole, the female connector is fixedly provided with a second female terminal, a third elastic body is arranged between the through hole and the second female terminal, a fourth elastic body is arranged between the groove and the second core body, the first elastic body, the second elastic body and the male connector body are integrated through injection molding, the third and fourth elastic bodies and the female connector body are integrated by injection molding.

Description

Multifunctional waterproof electric connector structure

Technical Field

The utility model relates to an electric connector technical field especially relates to a multi-functional waterproof type electric connector structure.

Background

The electric connector is an important electronic component and is widely used on various circuit systems and electronic equipment to realize the transmission function of signals and power supplies. In order to realize the normal operation of the outdoor equipment system, the electric connector must overcome the adverse factors of the natural environment such as outdoor rainwater, sunlight, wind and sand, temperature change and the like, and ensure the normal transmission of the power supply and signals of the equipment. The traditional waterproof electric connector structure generally adopts a part assembly sealing structure, products are supplied in bulk, assembly is needed on the spot by a user, the assembly workload is large, the requirement on-site personnel is high, and the waterproof effect is unstable. Electrical connectors are generally divided into signal connectors for signal transmission and power connectors for power supply, and for small outdoor systems, such connection requires more space and is not compact.

Therefore, those skilled in the art are dedicated to develop a multifunctional waterproof electrical connector structure, which concentrates signal and power transmission on the same electrical connector, has a compact structure and reduces cost, adopts pre-wiring one-step molding, does not need field assembly, and has good waterproof effect.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that optimize waterproof nature electric connector's structure, overcome prior art not compact, with high costs, the not good defect of water-proof effects.

In order to achieve the above object, the present invention provides a multifunctional waterproof electrical connector structure, comprising a male connector and a female connector detachably connected to each other, wherein the male connector comprises a male connector body, the male connector body is provided with a first through hole and a first groove, a first male terminal is fixedly arranged in the first through hole, a first core is fixedly arranged in the first groove, the first core is provided with a first positioning hole arranged in one or more rows in a straight line, the first positioning hole is fixedly provided with a second male terminal, a first elastic body is arranged between the first through hole and the first male terminal, a second elastic body is arranged between the first groove and the first core, the female connector comprises a female connector body, the female connector body is provided with a second through hole and a second groove, and a first female terminal is fixedly arranged in the second through hole, the second groove is internally and fixedly provided with a second core body, the second core body is provided with a second positioning hole longitudinally opposite to the first positioning hole, a second female terminal is fixedly arranged on the second positioning hole, a third elastic body is arranged between the second through hole and the second female terminal, a fourth elastic body is arranged between the second groove and the second core body, the first elastic body, the second elastic body and the male connector body are integrated through injection molding, and the third elastic body, the fourth elastic body and the female connector body are integrated through injection molding.

Further, the first elastomer, the second elastomer, the third elastomer and the fourth elastomer are integrally molded.

Further, the first elastic body, the second elastic body, the third elastic body and the fourth elastic body are made of polyamide resin.

Further, still include first spacing ring and second spacing ring, first spacing ring cover is established first public first terminal afterbody, the second spacing ring cover is established first female first terminal afterbody.

Further, still include first heart yearn, second heart yearn, third heart yearn, fourth heart yearn, first heart yearn with first public first terminal afterbody electricity is connected, the second heart yearn with second public first terminal afterbody electricity is connected, the third heart yearn with first female first terminal afterbody electricity is connected, the fourth heart yearn with second female first terminal afterbody electricity is connected.

Further, the head of the male connector body forms a concave part inwards, the concave part is provided with a third positioning hole corresponding to the second male terminal to accommodate the second male terminal, a partition is arranged between the first through hole and the first groove, the head of the female connector body correspondingly forms a convex part outwards, the convex part is provided with a fourth positioning hole corresponding to the second female terminal to accommodate the second female terminal, and the concave part and the convex part are suitable for detachable connection.

Further, the first male terminal and the second male terminal extend into the concave portion of the male connector body head portion, the first female terminal and the second female terminal extend into the convex portion of the female connector body head portion, the first male terminal and the first female terminal are detachably and electrically connected, and the second male terminal and the second female terminal are detachably and electrically connected.

Further, the second male terminal passes through the first positioning hole and the third positioning hole to enter the concave portion of the head portion of the male connector body, the first positioning hole, the third positioning hole and the second male terminal are tightly matched, the second female terminal passes through the second positioning hole and the fourth positioning hole to enter the convex portion of the head portion of the female connector body, and the second positioning hole, the fourth positioning hole and the second female terminal are tightly matched.

Further, a first clamping part is arranged on the male connector body, a second clamping part is arranged at a corresponding position on the female connector body, and the first clamping part and the second clamping part are matched with each other to fix the male connector and the female connector.

Further, still include the elastic ring spare, the elastic ring spare sets up between male connector and female connector.

The utility model has the advantages that:

1) the signal and power transmission are integrated on the same electric connector, the structure is compact, and the cost is reduced.

(2) The waterproof structure is formed by one-time injection molding through pre-wiring, field assembly is not needed, and the waterproof effect is good.

Drawings

Fig. 1 is an exploded view of a male connector according to a preferred embodiment of the present invention;

fig. 2 is an exploded view of the female connector of a preferred embodiment of the invention;

fig. 3A is a schematic structural view of a male connector body according to a preferred embodiment of the present invention;

fig. 3B is a left side view of the male connector body of a preferred embodiment of the present invention;

fig. 3C is a front view of the male connector body of a preferred embodiment of the present invention;

fig. 3D is a rear view of the male connector body of a preferred embodiment of the present invention;

fig. 4A is a schematic structural view of a female connector body according to a preferred embodiment of the present invention;

fig. 4B is a left side view of the female connector body of a preferred embodiment of the present invention;

fig. 4C is a front view of the female connector body of a preferred embodiment of the present invention;

fig. 4D is a rear view of the female connector body of a preferred embodiment of the invention.

Wherein, 11-male connector body, 12-first male terminal, 13-first core, 14-second male terminal, 15-first elastomer, 16-second elastomer, 17-first spacing ring, 18-first core wire, 19-second core wire, 21-female connector body, 22-first female terminal, 23-second core, 24-second female terminal, 25-third elastomer, 26-fourth elastomer, 27-second spacing ring, 28-third core wire, 29-fourth core wire, 30-elastic ring.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings for clarity and understanding of the technical contents. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

An embodiment of a multi-functional waterproof type electric connector structure of the utility model includes can dismantle the male connector and the female connector of connection each other. The internal structure of the waterproof electrical connector will be described in detail below with reference to fig. 1 and 2, which are exploded views of the male and female connectors, respectively.

As shown in fig. 1, the male connector is composed of a male connector body 11, a first male terminal 12, a second male terminal 14, a first core 13, and a first stopper ring 17. The lower portion of the male connector body 11 is opened with three holes to accommodate three first male terminals 12 (generally, as power supply terminals), and the first male terminals 12 are passed through the holes into recesses formed inward of the head of the male connector body 11. A transverse slot is opened horizontally above the three holes, and second male terminals 14 (usually signal terminals) are arranged in a row and extend into the transverse slot in the longitudinal direction of the transverse slot, and penetrate through the opening at the bottom of the transverse slot into the recess formed inward at the head of the male connector body 11.

The first male terminal 12 has an opening at its rear for electrical connection of a first core 18 (typically as a power cord), preferably by soldering or crimping. The first retainer ring 17 surrounds the tail of the first male terminal 12 and is fitted into three holes formed in the lower portion of the male connector body 11, so that the first male terminal 12 is firmly fixed in the male connector body 11. The second male terminal 14 also has an opening at its rear portion for electrically connecting the second core wire 19 (usually as a signal wire), preferably by soldering or crimping. The first core 13 made of an insulating material is provided with positioning holes so that the second male terminals 14 can be kept straight through the male connector body 11 and serve as a support.

After the pre-wiring of the first core wire 18 and the second core wire 19 is completed, Polyamide resin (PA) is filled into the hole and the transverse groove formed at the tail of the male connector body 11 by using an injection molding technology to form the first elastic body 15 and the second elastic body 16, and the first elastic body and the second elastic body are integrated with the male connector body 11 to play a good waterproof sealing role, and preferably, the Polyamide resin is made of PA 66.

As shown in fig. 2, the female connector is composed of a female connector body 21, a first female terminal 22, a second female terminal 24, a second core 23, and a second retainer ring 27. The lower portion of the female connector body 21 is provided with three holes for receiving three first female terminals 22 (usually as power terminals) therein, through which the first female terminals 22 are passed into outwardly formed projections of the head of the female connector body 21, which are fitted in size with inwardly formed recesses of the head of the male connector body 11, and are adapted to be detachably connected. A transverse groove is horizontally formed above the three holes, and the second female terminals 14 (usually, signal terminals) are arranged in a row and extend into the transverse groove along the longitudinal direction of the transverse groove, and penetrate through the bottom of the transverse groove to enter the corresponding opening of the convex portion formed at the head of the female connector body 21.

The first female terminal 22 has an opening at its rear for electrically connecting a third core wire 28 (typically a power wire), preferably by soldering or crimping. The second retainer ring 27 surrounds the tail of the first female terminal 22 and is fitted into three holes formed in the lower portion of the female connector body 21, so that the first female terminal 22 is firmly fixed in the female connector body 21. The second female terminal 24 also has an opening at its rear portion for electrically connecting the fourth core wire 29 (usually as a signal wire), preferably by soldering or crimping. The second core 23 made of an insulating material is provided with positioning holes so that the second female terminals 24 can be kept straight through the female connector body 21 and serve as supports.

After the pre-wiring of the third core wire 28 and the fourth core wire 29 is completed, Polyamide resin (Polyamide, PA) is filled into the hole and the transverse groove formed at the tail of the female connector body 21 by using an injection molding technology to form the third elastic body 25 and the fourth elastic body 26, which are integrated with the female connector body 21 to achieve a good waterproof sealing effect, and preferably, the Polyamide resin is made of PA 66.

The elastic ring member 30 is disposed on the outer edge of the outward protruding portion of the head of the female connector body 21, and plays a role of waterproof sealing when the male connector and the female connector are connected, and preferably, the elastic ring member is made of rubber or silica gel.

The male connector body 11 is provided with a clamping seat, the female connector body 21 is provided with a buckle, the clamping seat is matched with the buckle, and when the male connector is connected with the female connector, the fixing effect is achieved.

In order to more clearly understand the structure of the male connector body 11, a three-dimensional structure diagram (as shown in fig. 3A), a left side view (as shown in fig. 3B), a front view (as shown in fig. 3C) and a rear view (as shown in fig. 3D) of the male connector body 11 are provided, and correspondingly, a three-dimensional structure diagram (as shown in fig. 4A), a left side view (as shown in fig. 4B), a front view (as shown in fig. 4C) and a rear view (as shown in fig. 4D) of the female connector body 21 are also provided.

The utility model discloses a concentrate on same electric connector with signal and power transmission, saved the installation controlling part for electric connector structure is compacter, has reduced manufacturing cost, adopts wiring one shot forming in advance, need not on-the-spot assembly, has avoided because of on-the-spot assembly workman construction quality can not obtain the water-proof effects unstability that the assurance caused.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. A multifunctional waterproof electric connector structure is characterized by comprising a male connector and a female connector which are detachably connected with each other, wherein the male connector comprises a male connector body, the male connector body is provided with a first through hole and a first groove, a first male terminal is fixedly arranged in the first through hole, a first core body is fixedly arranged in the first groove, the first core body is provided with first positioning holes which are linearly arranged in one or more rows, a second male terminal is fixedly arranged in the first positioning holes, a first elastic body is arranged between the first through hole and the first male terminal, a second elastic body is arranged between the first groove and the first core body, the female connector comprises a female connector body, the female connector body is provided with a second through hole and a second groove, and a first female terminal is fixedly arranged in the second through hole, the second groove is internally and fixedly provided with a second core body, the second core body is provided with a second positioning hole longitudinally opposite to the first positioning hole, a second female terminal is fixedly arranged on the second positioning hole, a third elastic body is arranged between the second through hole and the second female terminal, a fourth elastic body is arranged between the second groove and the second core body, the first elastic body, the second elastic body and the male connector body are integrated through injection molding, and the third elastic body, the fourth elastic body and the female connector body are integrated through injection molding.

2. The multifunctional waterproof electrical connector structure according to claim 1, wherein the first elastic body, the second elastic body, the third elastic body and the fourth elastic body are integrally molded.

3. The multifunctional waterproof electrical connector structure of claim 1, wherein the first elastomer, the second elastomer, the third elastomer and the fourth elastomer are made of polyamide resin.

4. The multifunctional waterproof electrical connector structure of claim 1, further comprising a first limiting ring and a second limiting ring, wherein the first limiting ring is sleeved on the first male terminal tail portion, and the second limiting ring is sleeved on the first female terminal tail portion.

5. The multifunctional waterproof electrical connector structure of claim 1, further comprising a first core wire, a second core wire, a third core wire and a fourth core wire, wherein the first core wire is electrically connected to the first male terminal tail portion, the second core wire is electrically connected to the second male terminal tail portion, the third core wire is electrically connected to the first female terminal tail portion, and the fourth core wire is electrically connected to the second female terminal tail portion.

6. The structure of claim 1, wherein the male connector body head portion is formed with a recess inwardly, the recess is formed with a third positioning hole corresponding to the second male terminal to receive the second male terminal, and a partition is provided along the first through hole and the first groove, the female connector body head portion is correspondingly formed with a protrusion outwardly, the protrusion is formed with a fourth positioning hole corresponding to the second female terminal to receive the second female terminal, and the recess and the protrusion are adapted to be detachably connected.

7. The multifunctional waterproof electrical connector structure of claim 6, wherein the first male terminal and the second male terminal extend into the female portion of the male connector body head, the first female terminal and the second female terminal extend into the male portion of the female connector body head, the first male terminal and the first female terminal are detachably electrically connected, and the second male terminal and the second female terminal are detachably electrically connected.

8. The multifunctional waterproof electrical connector structure of claim 6, wherein the second male terminal passes through the first positioning hole and the third positioning hole into the concave portion of the male connector body head, the first positioning hole, the third positioning hole and the second male terminal are tightly fitted, the second female terminal passes through the second positioning hole and the fourth positioning hole into the convex portion of the female connector body head, and the second positioning hole, the fourth positioning hole and the second female terminal are tightly fitted.

9. The structure of claim 1, wherein the male connector body is provided with a first engaging portion, and the female connector body is provided with a second engaging portion at a corresponding position, the first and second engaging portions being engaged with each other to fix the male and female connectors.

10. The multifunctional waterproof electrical connector structure according to claim 1, further comprising an elastic ring member disposed between the male connector and the female connector.

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