CN204391382U - Waterproof connector with glue-coated surface coated with waterproof glue - Google Patents

Abstract

The utility model relates to a waterproof connector for coating waterproof glue by using a gluing plane, which comprises an insulating seat body, a metal shell and a waterproof glue layer, wherein a plurality of first connecting terminals, a plurality of second connecting terminals and a blocking sheet are fixedly arranged in the insulating seat body; the metal shell is internally provided with an accommodating space, and when the insulating seat body is inserted into the accommodating space, the gluing plane can be positioned at the position adjacent to the rear end in the metal shell; the waterproof glue layer is formed by coating waterproof glue along the gluing plane and the adjacent part of the inner wall surface of the metal shell and heating and solidifying the waterproof glue layer, and can be used for watertight filling up the gap between the metal shell and the insulating seat body.

Description

Waterproof connector with glue-coated surface coated with waterproof glue

technical field

The utility model relates to a waterproof connector which utilizes a glue-coated plane to coat waterproof glue, in particular to a waterproof connector which forms a glue-coated plane at the rear end of an insulating base for coating waterproof glue and forming a waterproof glue layer.

Background technique

With the advancement of communication technology and electronic technology, electronic devices with various functions, such as: mobile phones that allow people to communicate at both ends of the world, walkmans that allow people to listen to music anytime and anywhere, and assist people in handling various things Personal Computer (Personal Computer)... etc. have become indispensable tools for modern people, and different types of electronic devices can now be integrated into one, making it possible to use mobile phones to listen to music, or use personal computers to make calls, etc. It is no longer a distant dream.

Since there are tens of thousands of precision electronic components inside the electronic device, it is most afraid of short circuit caused by contact with water, or damaged by moisture when it is exposed to water, and the various connections on the electronic device used to connect external devices The device jack is the part where water vapor is most likely to invade. Although some operators will install a "waterproof plug" on the connector or a "waterproof gasket" inside to prevent moisture from entering, however, both the waterproof plug and the waterproof gasket have the problems of difficult assembly and high cost , and cannot be applied to connectors of special specifications. Please refer to Figure 1, which is the metal shell 11 of the current Micro USB connector (in order to keep the drawing simple, the tongue plate, connecting terminals and other components in the metal shell are not drawn in Figure 1), the Micro USB connection Connectors are mainly used in light and thin electronic devices (such as smart phones, tablet computers, etc.). Therefore, in order to enable stable data transmission when an external plug 12 is inserted into the connector, the metal shell 11 is provided with a There are two openings 110, and the external plug 12 is provided with two hooks 121 opposite to each other. When the external plug 12 is inserted into the Micro USB connector, the hooks 121 can hook the opening 110 to ensure the stability of the connection. sex.

Although the opening 110 can ensure the connection strength of the Micro USB connector, it also creates a leak on the waterproof. The top surface of the connector is welded with a metal sheet outside the body, and a waterproof gasket must be installed in the metal shell 11 to ensure the perfect waterproof performance. This method not only seriously affects the production and assembly speed of the connector, but also greatly increases Production costs are therefore not ideal. Therefore, the designer considers whether it is possible to develop a different waterproof mechanism, which not only does not require the use of waterproof plugs or gaskets, but also can be applied to various special connectors that require "light, thin and short"? Therefore, how to design a brand-new waterproof connector structure to solve the defects of high production cost and difficult assembly of existing connectors has become an important issue to be solved by the present invention.

Utility model content

In view of the fact that the existing waterproof connectors must be waterproofed through waterproof plugs or gaskets, resulting in problems that affect production costs and assembly efficiency, the designer finally designed this connector after years of practical experience and continuous research and testing. A utility model of a waterproof connector using a glue-coated surface to coat waterproof glue, which is expected to provide a more convenient and easy-to-use waterproof mechanism in the industry.

One purpose of the present utility model is to provide a waterproof connector that uses a glue-coated plane to coat waterproof glue, wherein the waterproof connector that uses a glue-coated plane to coat waterproof glue includes:

An insulating base body, the insulating base body is made of plastic, and a plurality of first connecting terminals, a plurality of second connecting terminals and a barrier piece are fixed in the insulating base body, and a coating is formed on the rear end of the insulating base body. A glue plane, the part adjacent to one end of each of the first connection terminals is exposed on the top surface of the insulating base, the other end of each of the first connection terminals is extended from the glue-coated plane, and each of the second connection terminals is adjacent to one end A portion is exposed on the bottom surface of the insulating base body, the other end of each second connection terminal is exposed by extending from the glue-coated plane, and the barrier sheet is positioned between the first connection terminal and the second connection terminal;

A metal shell, the front end of the metal shell is provided with a front opening, the rear end of the metal shell is provided with a rear opening, the front opening communicates with the rear opening to form an accommodating space in the metal shell, The glue-coated plane can be positioned at a position adjacent to the rear opening in the metal shell when the insulating base is inserted into the accommodating space through the rear opening; and

A waterproof glue layer, the waterproof glue layer is formed after the waterproof glue coated along the glue-coating plane adjacent to the inner wall surface of the metal shell is cured, and the waterproof glue layer can be filled watertightly The gap between the metal shell and the insulating base.

The above-mentioned waterproof connector using glue-coated surface to coat waterproof glue, wherein, the metal shell is made of a metal sheet connected by laser spot welding.

Another object of the present invention is that the insulating seat body also includes a shielding block, which is fixed on the position adjacent to the rear end of the first connecting terminal and the second connecting terminal by injection molding, and the shielding block There is a space between the body and the gluing plane, and a communication groove is penetrated through the shielding block, and the communication groove communicates with the space, and the shielding block can be inserted into the metal shell when the insulating base body The case abuts against the edge corresponding to the rear opening on the metal shell.

As mentioned above, the waterproof connector using the glue-coated plane to coat the waterproof glue, wherein the insulating base further includes:

An intermediate base body, the intermediate base body is integrally formed by plastic, the barrier sheet is fixed in the intermediate base body, and the front edges of the top side and the bottom side of the intermediate base body are respectively formed with multiple a card slot;

A first terminal seat, the first terminal seat is integrally formed by plastic, the first connection terminal is fixed in the first terminal seat, and the part adjacent to one end of each first connection terminal is exposed on the The top surface of the first terminal base, the front end of the first terminal base is provided with a plurality of first engaging parts, and the rear end of the first terminal base is provided with a first shielding part; and

A second terminal seat, the second terminal seat is integrally formed by plastic, the second connecting terminal is fixed in the second terminal seat, and the part adjacent to one end of each second connecting terminal is exposed on the The bottom surface of the second terminal base, the front end of the second terminal base is provided with a plurality of second engaging parts, and the rear end of the second terminal base is provided with a second shielding part;

The first terminal base, the intermediate base body, and the second terminal base can be assembled into the engagement groove when the first engaging portion and the second engaging portion are respectively inserted into the engaging groove. The insulating seat body, and the middle section of the insulating seat body corresponds to the other end of the first connection terminal and the exposed part of the second connection terminal can form the glue-coated plane, and the The first shielding part and the second shielding part can be assembled into one body to form the shielding block.

The above-mentioned waterproof connector using glue-coated surface to coat waterproof glue, wherein, the barrier sheet can be exposed on the top surface and the bottom surface of the intermediate base body.

The above-mentioned waterproof connector using glue-coating surface to coat waterproof glue, wherein, the waterproof connector using glue-coating plane to coat waterproof glue also includes a metal bracket, and the configuration of the metal bracket is the same as that of the metal bracket. The configuration of the shell is matched, and the corresponding two ends of the metal bracket are respectively extended downwards with a pin, and the middle part of the metal bracket can be fixed to the metal shell by laser spot welding. On the top surface, the pins can be inserted into a circuit board.

The above-mentioned waterproof connector that uses glue-coated surface to coat waterproof glue, wherein, the insulating base is provided with a plurality of protrusions, and the plurality of protrusions can be inserted into the insulating base. The case in the metal shell is pressed against the inner wall of the metal shell, and the insulating base is assembled into one body with the metal shell.

The above-mentioned waterproof connector using glue-coated plane to coat waterproof glue, wherein, the cross-sectional configuration of the metal shell is an ellipse with up-down symmetry.

Features and advantages of the utility model are:

1. The utility model can realize a waterproof mechanism without using waterproof gaskets or waterproof plugs, so that external moisture cannot penetrate through the gap between the metal shell and the insulating base, so as to effectively ensure the use of the electronic device life.

2. The industry can use waterproof glue with low viscosity, and inject the waterproof glue through the connecting groove, so that the waterproof glue can fill up by itself to form the waterproof glue layer.

Description of drawings

The following drawings are only intended to illustrate and explain the utility model schematically, and do not limit the scope of the utility model. in:

Figure 1 is a schematic diagram of a metal shell of an existing Micro USB connector;

Fig. 2 is a schematic diagram of the assembly of the waterproof connector of the present invention;

Fig. 3 is a schematic diagram of the waterproof adhesive layer of the waterproof connector of the present invention;

Figure 4 is an exploded view of the waterproof connector of the present invention; and

Fig. 5 is a schematic diagram of an insulating base of the waterproof connector of the present invention.

Explanation of reference numbers:

(current technology)

Metal shell ……… 11

Opening hole ……… 110

External plug ... 12

Hook ……… 121

(this utility model)

Waterproof connector ……… 2

Insulation seat body ......... 21

Glue-coated plane ……… 210

The first connecting terminal ... 211

The second connecting terminal ... 212

Barrier sheet ......... 213

Block Blocks ……… 214

Metal shell ……… 22

Accommodating space ……… 220

Front opening ......... 221

Rear opening ……… 222

Waterproof adhesive layer ……… 23

Ground lug ......... 24

Metal bracket ……… 25

Pin ......... 251

The first terminal block ......... 41

The first embedded card department ... 411

The first shelter ……… 412

The second terminal block ......... 42

The second embedded card part ......... 421

The second shielding part ... 422

Intermediate seat body ......... 43

Embedded card slot ……… 431

Protrusion ......... 432

Plane ……… F1, F2, F3

Interval space ......... S1

Connecting slot ......... S2

Detailed ways

In order to make the technical means of the present utility model and the effects it can achieve more complete and clear, the detailed description is as follows. Please also refer to the disclosed drawings and drawing numbers:

The utility model is a waterproof connector that uses a glue-coated plane to coat waterproof glue, please refer to Figure 2 and Figure 3, the first preferred embodiment of the utility model, the waterproof connector 2 includes an insulating seat 21. A metal shell 22 and a waterproof adhesive layer 23. The insulating base 21 is made of plastic by injection molding, and a plurality of first connecting terminals 211, a plurality of second connecting terminals 212 and A barrier sheet 213; the first connection terminal 211 and the second connection terminal 212 conform to the Micro USB specification, so that the waterproof connector 2 can be used as a USB3.1Type-C high-speed transmission connector; the barrier sheet 213 is a The metal sheet is positioned between the first connection terminals 211 and the second connection terminals 212 to isolate signal interference between the first connection terminals 211 and the second connection terminals 212 .

A glue-coated plane 210 is formed near the rear end of the insulating base body 21, and the portion adjacent to one end of each first connecting terminal 211 is exposed on the top surface of the insulating base body 21, and the other end of each first connecting terminal 211 is formed by The glue-coated plane 210 is extended and exposed, and the portion adjacent to one end of each second connection terminal 212 is exposed on the bottom surface of the insulating base 21, and the other end of each second connection terminal 212 is extended and exposed from the glue-coated plane 210. , the other ends of the first connecting terminals 211 and the second connecting terminals 212 can be respectively soldered to a circuit board.

The front end of the metal shell 22 is provided with a front opening 221, and its rear end is provided with a rear opening 222. The front opening 221 communicates with the rear opening 222 to form an accommodating space 220 in the metal shell 22. In this embodiment, the metal shell 22 is made of a metal sheet connected by laser spot welding (as shown in Figure 4, the seams on the metal shell 22 are fixed into one body by laser spot welding ), so except for the front opening 221 and the rear opening 222, there is no joint gap on its periphery, so the industry does not need to set a waterproof colloid outside the metal casing 22 to ensure the watertightness of the metal casing 22 . When the insulating base 21 is inserted into the accommodating space 220 through the rear opening 222, the glue-applied plane 210 is positioned in the metal housing 22 adjacent to the rear opening 222 (the state shown in FIG. 2 ). ).

Please refer to Fig. 2 and shown in Fig. 3 again, this waterproof glue layer 23 utilizes waterproof glue, is coated along the position that this glue coating plane 210 adjoins the inner wall surface of metal shell 22, to solidify in this waterproof glue After the waterproof adhesive layer 23 is formed, the waterproof adhesive layer 23 can watertightly fill the gap between the metal shell 22 and the insulating base 21 . In this way, after the waterproof connector 2 is installed on an electronic device, even if outside moisture enters the accommodating space 220 through the front opening 221, the moisture will be absorbed by the insulating base 21 and the waterproof adhesive layer. 23, and cannot contact the circuit board in the electronic device through the rear opening 222, so as to effectively ensure the service life of the electronic device.

Please refer to Fig. 2 and Fig. 3 again, in the second preferred embodiment of the present utility model, the insulating base 21 also includes a shielding block 214, and the shielding block 214 is fixed by injection molding. At the position adjacent to the rear end of the first connection terminal 211 and the second connection terminal 212, and maintain a space S1 with the glue-coating plane 210, a communication groove S2 is also penetrated through the shielding block 214, the communication groove S2 communicates with the space S1. When the insulating base 21 is inserted into the metal shell 22, the shielding block 214 can abut against the edge of the metal shell 22 corresponding to the rear opening 222. .

In this way, although most of the area of the rear opening 222 has been covered by the shielding block 214, the industry can still use a less viscous waterproof glue to inject it into the space S1 through the communication groove S2 to make the waterproof The glue can evenly cover the part adjacent to the inner wall surface of the metal shell 22 and the glue coating plane 210, and after curing, it can fill the gap between the metal shell 22 and the insulating base 21 watertightly, Let the industry's dispensing or coating procedures be more streamlined and easy to execute.

In addition, please refer to FIGS. 2 to 4. In another preferred embodiment of the present invention, the insulating base body 21 is composed of a first terminal base 41, an intermediate base body 43 and a second terminal base 42. The middle seat body 43 is integrally formed by plastic, and the barrier sheet 213 is fixed therein, and a plurality of inserting grooves 431 are respectively formed on the front edges of the top side and the bottom side; the first terminal base 41 is composed of It is integrally formed of plastic, wherein the first connection terminals 211 are fixed, and the part adjacent to one end of each first connection terminal 211 is exposed on the top surface of the first terminal base 41, and the front end of the first terminal base 41 is provided with There are a plurality of first engaging portions 411 , and a first shielding portion 412 is provided at the rear end of the first terminal base 41 , and the communication slot S2 is opened on the first shielding portion 412 .

The second terminal base 42 is integrally formed by plastic, wherein the second connection terminals 212 are fixed, and the part adjacent to one end of each second connection terminal 212 is exposed on the bottom surface of the second terminal base 42. The second terminal The front end of the seat 42 is provided with a plurality of second engaging portions 421, and the rear end of the second terminal base 42 is provided with a second shielding portion 422; the first engaging portion 411 and the second engaging portion 421 are respectively embedded into In the case of the embedded groove 431, the first terminal base 41, the intermediate base body 43 and the second terminal base 42 can be assembled into the insulating base body 21, and the middle section corresponds to the first connecting terminal 211, the second terminal base 42 The exposed positions of the other ends of the two connection terminals 212 will be able to form the glued plane 210 (plane F1, plane F2, and plane F3 shown in Figure 2 and Figure 4), and the first shielding portion 412 and the second shielding portion 422 can be assembled into one body to form the shielding block 214 .

It should be particularly mentioned here that, in the foregoing embodiments, the cross-sectional configuration of the metal shell 22 is an up-and-down symmetrical ellipse, and is made of a metal sheet that is bent and sealed by laser spot welding. Therefore, except for the front opening 221 and the rear opening 222, there are no other openings or gaps, so that the metal shell 22 can have stronger structural strength and waterproof performance. The "short" connector can also guarantee its durability and connection stability. In addition, the shielding block 214 is not a necessary condition of this case, and the industry can also directly realize the waterproof mechanism of this case through the glue-coated plane 210 at the rear end of the insulating base 21 .

Please refer to FIGS. 4 to 5. In a preferred embodiment of the present invention, the barrier sheet 213 is exposed on the top and bottom surfaces of the intermediate seat 43, and its front edge can be removed by the intermediate seat 43. The peripheral edge of the front end is exposed to increase the structural strength of the insulating seat body 21 when plugging and unplugging. In addition, the waterproof connector 2 also includes two ground plates 24 and a metal bracket 25, each of the ground plates 24 is fixed on the top surface and the bottom surface of the insulating seat body 21 (for example: using injection molding process, with the first The connection terminal 211 and the second connection terminal 212 are formed together on each of the first terminal base 41 and the second terminal base 42), when the insulating base body 21 is inserted into the metal shell 22, the grounding pieces 24 can be against the inner wall of the metal shell 22 to achieve the grounding effect (because the configurations of the grounding plates 24 are the same, only one of the grounding plates 24 is drawn in FIG. 5 ).

In addition, the configuration of the metal bracket 25 matches the configuration of the metal shell 22, and the corresponding two ends of the metal bracket 25 are respectively extended with a pin 251, and the middle part of the metal bracket 25 can pass through Laser spot welding (in FIG. 4, the dot on the metal shell 22 is the spot welding position), fixed to the top surface of the metal shell 22, and the pins 251 can be embedded on the circuit board .

In addition, a plurality of protrusions 432 protrude from the middle base 43, and when the insulating base 21 is inserted into the metal housing 22, the protrusions 432 can be pressed against the metal housing. 22, so that the insulating base 21 and the metal shell 22 can be assembled into one body.

The above descriptions are only illustrative specific implementations of the present utility model, and are not intended to limit the scope of the present utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principle of the present utility model shall fall within the protection scope of the present utility model.

Claims (8)

1. A waterproof connector that utilizes a glue-coated plane to coat waterproof glue, characterized in that, the waterproof connector that utilizes a glue-coated plane to coat waterproof glue comprises: An insulating seat body, the insulating seat body is made of plastic, and a plurality of first connecting terminals, a plurality of second connecting terminals and a barrier piece are fixed in the insulating seat body, and the rear end of the insulating seat body A glue-coated plane is formed, a portion adjacent to one end of each of the first connecting terminals is exposed on the top surface of the insulating base body, and the other end of each of the first connecting terminals is exposed from the glue-coated plane, and each of the first connecting terminals The part adjacent to one end of the second connection terminal is exposed on the bottom surface of the insulating base body, the other end of each second connection terminal is exposed from the glue-coated plane, and the barrier sheet is positioned on the first between the connection terminal and the second connection terminal; A metal shell, the front end of the metal shell is provided with a front opening, the rear end of the metal shell is provided with a rear opening, and the front opening communicates with the rear opening to form a An accommodating space, the glue-applied plane can be positioned at a position adjacent to the rear opening in the metal shell when the insulating seat body is inserted into the accommodating space through the rear opening; and A waterproof glue layer, the waterproof glue layer is formed after the waterproof glue coated along the glue-coating plane adjacent to the inner wall surface of the metal shell is cured, and the waterproof glue layer can be watertight The gap between the metal shell and the insulating base is completely filled. 2 . The waterproof connector with glue-coated surface coated with waterproof glue according to claim 1 , wherein the metal shell is made of a metal sheet connected by laser spot welding. 3 . 3. The waterproof connector using glue-coated surface to coat waterproof glue according to claim 1 or 2, characterized in that, the insulating base further includes a shielding block, and the shielding block is formed by injection molding It is fixed on the position adjacent to the rear end of the first connection terminal and the second connection terminal, and there is a space between the shielding block and the glue-coated plane, and a communication hole is formed through the shielding block. slot, the communication slot communicates with the interval space, and the shielding block can abut against the metal housing corresponding to the rear opening when the insulating seat body is inserted into the metal housing the edge of. 4. The waterproof connector using glue-coated surface to coat waterproof glue according to claim 3, characterized in that, the insulating base further comprises: An intermediate base body, the intermediate base body is integrally formed by plastic, the barrier sheet is fixed in the intermediate base body, and the front edges of the top side and the bottom side of the intermediate base body are respectively formed with multiple a card slot; A first terminal seat, the first terminal seat is integrally formed by plastic, the first connection terminal is fixed in the first terminal seat, and the part adjacent to one end of each first connection terminal is exposed on the The top surface of the first terminal base, the front end of the first terminal base is provided with a plurality of first engaging parts, and the rear end of the first terminal base is provided with a first shielding part; and A second terminal seat, the second terminal seat is integrally formed by plastic, the second connection terminal is fixed in the second terminal seat, and the part adjacent to one end of each second connection terminal is exposed on the The bottom surface of the second terminal base, the front end of the second terminal base is provided with a plurality of second engaging parts, and the rear end of the second terminal base is provided with a second shielding part; The first terminal base, the intermediate base body, and the second terminal base can be assembled into the engagement groove when the first engaging portion and the second engaging portion are respectively inserted into the engaging groove. The insulating seat body, and the middle section of the insulating seat body corresponds to the other end of the first connection terminal and the exposed part of the second connection terminal can form the glue-coated plane, and the The first shielding part and the second shielding part can be assembled into one body to form the shielding block. 5 . The waterproof connector with glue-coated surface coated with waterproof glue according to claim 4 , wherein the barrier sheet can be exposed on the top surface and the bottom surface of the intermediate seat body. 6 . 6. The waterproof connector utilizing glue-coating plane to coat waterproof glue according to claim 5, characterized in that, the waterproof connector utilizing glue-coating plane to coat waterproof glue also includes a metal bracket, and the metal bracket The configuration matches the configuration of the metal shell, and the corresponding two ends of the metal bracket are respectively extended downwards with a pin, and the middle part of the metal bracket can be fixed by laser spot welding To the top surface of the metal shell, the pins can be inserted into a circuit board. 7. The waterproof connector utilizing glue-coating surface coating waterproof glue according to claim 6, characterized in that, the insulating base is provided with a plurality of protruding parts, and a plurality of the protruding parts can When the insulating base is inserted into the metal housing, it is pressed against the inner wall of the metal housing, and the insulating base is assembled with the metal housing. 8 . The waterproof connector using a glue-coated plane to coat waterproof glue according to claim 7 , wherein the cross-sectional configuration of the metal shell is an up-and-down symmetrical ellipse.