CN212485649U - Waterproof structure of electric connector combination - Google Patents

Abstract

The utility model relates to the technical field of electronics, a waterproof structure of electric connector combination is provided, which comprises a plug, a socket adapted to the plug, a flexible rubber hose sleeved on the front section of the plug and the socket, and a housing sleeved on the periphery of the plug and the socket and used for stabilizing the plug and the socket, wherein the housing is formed by a first housing buckled with a second housing, the first housing is provided with a first arc groove, the second housing is provided with a second arc groove, the first arc groove and the second arc groove correspond to each other, and at least two annular ribs tightly holding the compressed flexible rubber hose are formed between the first arc groove and the second arc groove; the annular rib divides into preceding, back arc groove with first arc groove and second arc groove respectively, and plug back end and socket back end block respectively in fixed in preceding, back arc groove, and when first shell and second shell were buckled tightly, the cover has the plug and the socket anterior segment of flexible glue pipe and can extrude the flexible glue pipe and form the seal through annular rib, has solved easy matched stack and waterproof technical problem through aforementioned structure, has reached the effect that promotes product yield and reduce cost.

Description

Waterproof structure of electric connector combination

Technical Field

The utility model relates to an electric connector technical field refers in particular to a waterproof construction of electric connector combination.

Background

3C electronic products have been widely used in life of people, and are indispensable for electronic products, such as waterproof electrical connection supporting products of cameras, computers, cameras and other devices.

The essential requirement for power supply or signal transmission, including the connection of the plug and the socket adapted to the plug, to the wire (or the wire and the board), is particularly important. However, due to the diversified use environments, such as electrical connection in outdoor, rainy, foggy, and other humid spaces, the installation is fast, waterproof, and moisture-proof.

Disclosure of Invention

In order to solve the above technical problem, an object of the present invention is to provide a waterproof structure for an electrical connector assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a waterproof construction of electric connector combination, its socket that includes plug, adaptation plug, cover simultaneously at the flexible glue pipe of plug and socket anterior segment to and the cover is peripheral and give the shell that stabilizes plug and socket at plug and socket, the shell is formed by first shell lock second shell, wherein: the first shell is provided with a first arc groove, the second shell is provided with a second arc groove, the first arc groove and the second arc groove correspond to each other, and at least two annular ribs for tightly holding the compression soft rubber pipe are formed between the first arc groove and the second arc groove; the annular rib divides into preceding, back arc groove with first arc groove and second arc groove respectively, and plug back end and socket back end block respectively in admittedly in preceding, back arc groove, when first shell and second shell are fastened, the cover has the plug and the socket anterior segment of flexible glue pipe and can extrude the flexible glue pipe and form the seal through annular rib.

Furthermore, in the above technical solution, the front and rear arc grooves of the first arc groove are respectively provided with the fastening holes in a symmetrical manner, the front and rear arc grooves of the second arc groove are provided with the fasteners corresponding to the fastening holes, and the fasteners are formed by extending the inner wall surface of the second arc groove.

Further, among the above-mentioned technical scheme, the plug includes the metal contact, and the metal contact front end has the contact hole, and the metal contact end-to-end connection has the cable.

Further, in the above technical solution, the plug includes a plug outer mold, the metal contact includes a front end and a tail end, and the plug outer mold covers the tail end of the metal contact and the cable connected to the tail end, so that the front end of the metal contact is exposed.

Furthermore, in the above technical solution, the socket includes a metal contact base, the metal contact base has a mating hole and an ejector pin, and the mating hole is adapted to the metal contact head to be inserted into and accommodate the ejector pin.

Further, in the above technical solution, the metal contact base has a terminal, and the terminal of the metal contact base is connected with a cable.

Further, in the above technical solution, the socket has an inner plastic mold and an outer socket mold, the inner plastic mold wraps the end of the metal contact seat and the cable is provided at the connection end, the outer socket mold wraps the outer socket mold, the outer socket mold wraps the metal contact seat, and the inner plastic mold has an interference part firmly matched with the outer socket mold.

Furthermore, in the above technical solution, the external plug mold, the internal plastic mold and the external socket mold are all injection molded or injection molded by using insulating materials.

Compared with the prior art, the utility model, its profitable effect is: the electric connector is easy to assemble (or replace) with the electric connector, better waterproof effect is achieved, and the shell presses the flexible rubber tube to fasten the adaptive electric connector, so that natural falling is avoided and the using effect is improved.

Drawings

Fig. 1 is an exploded perspective view of the present invention;

FIG. 2 is a perspective exploded view of the plug, socket and waterproof structure of the present invention;

fig. 3 is a plan view of the first and second housings of the present invention when assembled and fastened together;

FIG. 4 is a sectional view taken in the direction of FIG. 3A-A; and

fig. 5 is a perspective view of the present invention after assembly.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In the embodiments shown in the drawings, the directions (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various components of the present invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

In this embodiment, as shown in fig. 1 to 5, for the utility model discloses waterproof construction of electric connector combination, including plug 100, socket 200, connect simultaneously in the flexible glue pipe 10 of plug and socket, cup joint at plug and socket outlying first shell 2 and tightly detain second shell 3 on first shell, first shell 2 and second shell 3 form totally enclosed region with plug and socket cooperation contact part and reach water-proof effects, first shell 2 forms holistic shell structure with second shell 3 to extension electronic product and electric connector life.

As shown in fig. 1 and 2, the plug 100 includes a metal contact 40, the front end of the metal contact 40 has a thimble 52 of the socket 200 matching with the contact hole 41, the end of the metal contact 40 is connected with a cable, a plug outer mold 42 covers the end of the metal contact 40 and the cable, and the front end of the metal contact 40 is exposed; the socket 200 comprises a metal contact seat 50, the front end of the metal contact seat 50 is provided with a matching hole 51 into which the metal contact head 40 is inserted, the thimble 52 is arranged in the matching hole 51, the tail end of the metal contact seat 50 is connected with a cable, a plastic inner mould 53 is coated on the tail end of the metal contact seat 50 and the cable, the periphery of the plastic inner mould 53 is coated with a socket outer mould 54, the socket outer mould 54 is completely coated on the metal contact seat 50, and the plastic inner mould 53 is provided with an interference part 531 which is tightly and firmly connected with the socket outer mould 54; the plastic inner mold and the plastic outer mold are coated on the cable in an injection molding way;

the plug 100 and the socket 200 are connected to both side ends of the sleeve 10 at the same time, one end of the flexible rubber tube 10 is provided with a first tube cavity 11 jointed with the front end of the plug outer die 42 of the plug 100 and a second tube cavity 12 jointed with the front end of the socket outer die 54 of the socket 200 opposite to the other end of the flexible rubber tube 10, the first tube cavity 11 is the same as the second tube cavity 12, a partition 13 is arranged between the first tube cavity 11 and the second tube cavity 12, and the partition 13 is provided with a through hole 131 through which the metal contact head 40 penetrates; when the plug 100 passes through the first tube cavity 11 and the socket 200 passes through the second machine accommodating groove 12, the front ends of the plug outer die 42 and the socket outer die 54 respectively and tightly abut against the two side wall surfaces of the partition 13 to form tight fit so as to improve the waterproof effect; at this time, the metal contact 40 penetrates into the through hole 131 and enters the matching hole 51 of the metal contact base 50, so that the plug 100 and the socket 200 are fully contacted to realize signal transmission;

the plug 100 and the socket 200 are connected to two sides by the soft rubber tube 10, the soft rubber tube 10 is arranged in the first shell 2 and the second shell 3 which are buckled with each other, the first shell 2 is provided with a first arc groove 20, the middle of the first arc groove 20 is at least provided with two semi-annular ribs 21 which are attached to the surface of the soft rubber tube 10, the first arc groove 20 is divided into a front arc groove 22 and a rear arc groove 23 by the at least two semi-annular ribs 21, and symmetrical buckling holes 24 for the second shell to be buckled are symmetrically arranged in the front arc groove 22 and the rear arc groove 23; the fastening surface of the first shell 2 (i.e. the outer side of the two semi-annular ribs 21) and the fastening surface of the second shell 3 (i.e. the outer side of the two semi-annular ribs 21) are respectively provided with a positioning column 25 and a positioning hole 35 which are mutually matched, and a plurality of water drainage holes 26 which penetrate through the first arc groove 20 and the second arc groove 30 are respectively arranged on the arc surfaces of the first shell 2 and the second shell 3. The second shell 3 is provided with a second arc groove 30, two semi-annular ribs 31 attached to the surface of the soft rubber pipe 10 are arranged at the positions, corresponding to the two semi-annular ribs 21, of the second arc groove 30, the semi-annular ribs 31 of the first shell are buckled with the semi-annular ribs 31 of the second shell to form annular ribs, and the centers of the annular ribs surround and extrude the surface of the soft rubber pipe, so that the soft rubber pipe is prevented from shifting in the shell, and a gap formed by the butt joint end parts of the adaptive plug and the socket is well sealed; the second arc groove 30 is divided into a front arc groove 32 and a rear arc groove 33 by the two semi-annular ribs of the second shell, corresponding buckles 34 are arranged at the positions of the front arc groove 32 and the rear arc groove 33, which are opposite to each buckling hole 24 of the first shell 2, and the buckles 34 extend and protrude from the inner wall surfaces of the front arc groove 32 and the rear arc groove 33; at least two arc-shaped clamping ribs 37 clamped between the plug outer die 42 and the socket outer die 54 are arranged in the front arc groove 32 and the rear arc groove 33 of the second arc groove 30, and the at least two arc-shaped clamping ribs 37 are connected between the two buckles 34; in addition, a plurality of water discharge holes 36 communicating with the second arc groove 20 are formed on the semi-cylindrical arc surface of the second housing 3.

When the utility model is assembled, the plug 100 and the socket 200 are respectively connected to two sides of the flexible rubber tube 10, and then the assembled product is assembled in the first shell 2, the flexible rubber tube 10 is clamped on the annular rib 21 of the first arc groove 20, and the half body of the plug 100 and the half body of the socket 200 are respectively contained in the front arc groove 22 and the rear arc groove 23 of the first arc groove 20; then, the second shell 3 is buckled on the first shell 2, the positioning hole 35 of the second shell 3 is matched with the positioning column 25 of the first shell 2 for positioning and fixing, and the buckle 34 is fastened and buckled with the buckling hole 24 to firmly integrate the first shell 2 and the second shell 3; when the second shell 3 is clamped with the first shell 2, the half of the plug 100 and the socket 200 exposed outside are accommodated in the front and rear arc grooves 32 and 33 of the second arc groove 30, the other half of the annular rib 31 of the second arc groove 30 and the annular rib 21 are combined into a through hole to be tightly attached to the surface of the cylinder of the flexible rubber tube 10, the flexible rubber tube can be prevented from rotating in the shell to influence signal transmission between connectors, and when water seeps into the shell surface, the flexible rubber tube 10 can play a role in water prevention; at least two arc-shaped clamping ribs 37 arranged in the front arc-shaped groove 32 and the rear arc-shaped groove 33 are respectively clamped on the plug outer die 42 and the socket outer die 54 to prevent the plug and the socket from rotating in the shell. Like this, first shell 2 forms totally enclosed region with plug 100 and socket 200 contact part after with second shell 3 lock, and flexible glue pipe 10 forms a closed region with plug and socket joint part again, can reach better water-proof effects under dual totally enclosed region after the electric connector combination to extension plug and socket life. In addition, after the electric connector is combined, the plug and the socket can be heated after long-time power-on use, and the water drainage holes 26 and 36 can radiate heat outwards to prevent unnecessary failure caused by high temperature.

To sum up, the utility model discloses a flexible glue pipe 10 forms first closed region with plug 100 and socket 200 joint part, wraps first shell 2 and second shell 3 on plug external mold and socket external mold again, forms a body structure through first shell 2 and the 3 buckles of second shell, like this, fully contact part forms totally enclosed region behind plug and the socket combination, and makes plug and socket reach more water-proof effects under dual closed region to extension plug and socket combination life.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a waterproof construction of electric connector combination, includes the socket of plug, adaptation plug, overlaps simultaneously at the flexible glue pipe of plug and socket anterior segment to and the cover is at plug and socket periphery and gives the shell that stabilizes plug and socket, and the shell is formed its characterized in that by first shell lock second shell: the first shell is provided with a first arc groove, the second shell is provided with a second arc groove, the first arc groove and the second arc groove correspond to each other, and at least two annular ribs for tightly holding the compression soft rubber pipe are formed between the first arc groove and the second arc groove; the annular rib divides into preceding, back arc groove with first arc groove and second arc groove respectively, and plug back end and socket back end block respectively in admittedly in preceding, back arc groove, when first shell and second shell are fastened, the cover has the plug and the socket anterior segment of flexible glue pipe and can extrude the flexible glue pipe and form the seal through annular rib.

2. The waterproof structure of an electrical connector assembly of claim 1, wherein: the front arc groove and the rear arc groove of the first arc groove are respectively provided with buckling holes in a symmetrical mode, the front arc groove and the rear arc groove of the second arc groove are provided with buckles corresponding to the buckling holes, and the buckles are formed by extending the inner wall surface of the second arc groove.

3. The waterproof structure of an electrical connector assembly according to claim 2, wherein: the plug includes the metal contact, and the metal contact front end has the contact hole, and metal contact end-to-end connection has the cable.

4. The waterproof structure of an electrical connector assembly according to claim 3, wherein: the plug comprises a plug outer die, the metal contact comprises a front end and a tail end, and the plug outer die wraps the tail end of the metal contact and a cable connected with the tail end so that the front end of the metal contact is exposed.

5. The waterproof structure of an electrical connector assembly of claim 4, wherein: the socket comprises a metal contact base, the metal contact base is provided with a matching hole and a thimble, and the matching hole is matched with the metal contact head to be inserted into and accommodate the thimble.

6. The waterproof structure of an electrical connector assembly of claim 5, wherein: the metal contact base has a terminal, and the metal contact base end is connected with the cable.

7. The waterproof structure of an electrical connector assembly of claim 6, wherein: the socket is provided with a plastic inner die and a socket outer die, the plastic inner die is wrapped on the tail end of the metal contact seat, a cable is arranged at the connecting tail end of the metal contact seat, the socket outer die is wrapped on the periphery of the plastic inner die, the socket outer die is wrapped on the metal contact seat, and the plastic inner die is provided with an interference part firmly matched with the socket outer die.

8. The waterproof structure of an electrical connector assembly of claim 7, wherein: the plug external mold, the plastic internal mold and the socket external mold are all made of insulating materials through injection molding or injection molding.

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