TWM564268U - Electrical connector - Google Patents

Abstract

The present invention relates to an electrical connector which can fix the ground terminal and the front and back conductive terminals only by the embedded molding of the insulator twice, thereby simplifying the structure of the manufacturing process of the electrical connector, and the insulator can be aligned The back conductive terminals provide a limit, and the positive and rear conductive terminals are prevented from being lifted or detached from the insulator, and the structural strength of the electrical connector is increased, thereby increasing the service life of the present electrical connector. In addition, the creation also provides an integrally formed grounding body for the insulator, and the grounding body is overlapped with the grounding terminal of the insulator to form a ground loop to improve the electrical characteristics of the electrical connector and increase the strength and durability of the electrical connector. .

Description

Electrical connector

This writing is directed to an electrical connector, and more particularly to an electrical connector that uses an embedded forming method to form an insulator and an integrally formed grounding body.

According to recent years, electrical connectors have been widely used in various electronic devices. However, in response to the development of thinner and lighter electronic devices, the size of electrical connectors has been continuously required to be reduced. Thus, the influence on electrical connectors is caused by In addition to the increased processing difficulty, the structural strength is also weakened.

In detail, the electrical connector will have a grounding terminal, a conductive terminal and an insulator. At present, the electrical connector components are usually assembled in a group manner, but if the electrical connector continues to be downsized, the electrical connector is electrically connected. The size of the components is also bound to shrink, making it difficult to assemble the electrical connector components, and it is difficult to form a completed electrical connector with sufficient strength.

Furthermore, the insulator on the conventional electrical connector itself is provided with a guiding tongue and then assembled in the metal frame. Since the insulator is made of a plastic material, the durability of the guiding tongue depends on the wear and tear during the insertion. Whether the external force causes deformation or the like depends on it.

Therefore, how to improve the above-mentioned defects, thereby simplifying the manufacturing process of the electrical connector, and improving the structural strength of the electrical connector are practical problems to be solved by those skilled in the art. .

In view of the above disadvantages of the prior art, the present invention also provides an electrical connector, comprising: a grounding terminal having a grounding lap; a first insulator, the first insulating system is embedded and formed The grounding terminal is integrated, the first insulating system exposes the grounding lap, and has a front outer surface and a back outer surface, the front outer surface having at least one front conductive terminal lands, the back outer surface having At least one rear conductive terminal lap; at least one front conductive terminal, the front conductive terminal has a front contact portion and a front pin; at least one rear conductive terminal, the back conductive terminal has a back contact portion and a back contact; The front and back conductive terminals are respectively disposed on the front and back conductive terminal erecting grooves, and form a first electrical connector semi-finished product with the first insulator, wherein the first insulating system has the front and back conductive terminals, The grounding terminal and the grounding body are electrically isolated from each other; a second insulator, the second insulating system is embedded and formed The first electrical connector semi-finished product is integrated to form a second electrical connector semi-finished product, the second insulating system exposes the grounding lap portion, the front and back contact portions and the front and back contact pins; and a grounding body, The grounding system integrally forms a shielding shell and a metal inner frame, and the metal inner frame is located at an intermediate portion inside the shielding shell, and the second electrical connector semi-finished product can be embedded in the metal inner frame to form an electrical connector product. The metal inner frame is overlapped with the grounding lap to form a grounding circuit with the grounding terminal, and the shielding outer casing covers the partial region of the second insulator to provide electrical shielding to the front and back contact portions.

Optionally, in the electrical connector of the present invention, at least one soldering portion is added to the bottom of the grounding body, and the soldering portion is used for soldering the grounding body to a circuit board.

Optionally, in the electrical connector of the present invention, the left and right sides of the inner metal frame respectively have an embedded guiding groove, and the embedded guiding groove guides the grounding terminal into the inner metal frame, and The second electrical connector semi-finished product is embedded in the metal inner frame to complete the overlapping of the grounding lap of the grounding terminal and the metal inner frame.

Optionally, in the electrical connector of the present invention, the grounding terminal further has a grounding lap portion, and the grounding lap portion is an embossed structure disposed on the surface of the grounding terminal facing the surface of the embedded guiding groove. .

Optionally, in the electrical connector of the present invention, the front and rear end edges of the front and back conductive terminals respectively extend into the second insulator.

Optionally, in the electrical connector of the present invention, the inner portion of the metal inner frame is formed with at least one positioning groove, and the front end of the second insulator is formed with at least one positioning block, and the positioning block and the positioning block are The structural fit cooperates to embed the second electrical connector blank in a predetermined position inside the metal inner frame.

Optionally, in the electrical connector of the present invention, the front and back conductive terminals further have a front embedded structure and a back embedded structure, so that the front and back conductive terminals are respectively embedded in the front and back sides. The conductive terminal is provided with a groove.

Optionally, in the electrical connector of the present invention, the grounding terminal further has at least one bonding hole for the first insulator to enter the grounding terminal, thereby ensuring a stable combination of the grounding terminal and the first insulator. .

1‧‧‧Electrical connector

11‧‧‧ Grounding terminal

111‧‧‧ Grounding lap

112‧‧‧ embossed structure

113‧‧‧Combination hole

12‧‧‧First insulator

121‧‧‧ front surface

1211‧‧‧ front conductive terminal grooving groove

122‧‧‧Back surface

1221‧‧‧ Back conductive terminal grooving groove

13‧‧‧Front conductive terminal

131‧‧‧Front contact

132‧‧‧Front pin

133‧‧‧Front embedded structure

14‧‧‧ Back conductive terminals

141‧‧‧Back contact

142‧‧‧Back foot

143‧‧‧Back embedded structure

15‧‧‧Second insulator

153‧‧‧ Positioning block

16‧‧‧ Grounding body

161‧‧‧Shielded enclosure

1611‧‧‧Welding Department

162‧‧‧Metal inner frame

1621‧‧‧ embedded guide groove

1622‧‧‧ positioning slot

SF1‧‧‧first connector semi-finished products

SF2‧‧‧Second connector semi-finished products

The first figure is a schematic diagram of the ground terminal of the authoring electrical connector.

The second figure is a schematic view of the front side of the first insulator of the creative electrical connector combined with the ground terminal.

The third figure is a schematic view of the back side of the first insulator of the creative electrical connector combined with the ground terminal.

The fourth figure is a schematic diagram of the decomposition of the first part of the creative electrical connector.

The fifth figure is a schematic view of the front conductive terminal of the creative electrical connector being erected to the front conductive terminal erecting groove at a first viewing angle.

The sixth figure is a partial schematic view of the front conductive terminal of the creative electrical connector erected to the front conductive terminal erecting groove at a second viewing angle.

The seventh figure is a schematic view of the rear conductive terminal of the creative electrical connector being erected to the rear conductive terminal erecting groove at a first viewing angle.

The eighth figure is a partial schematic view of the rear conductive terminal of the creative electrical connector erected to the rear conductive terminal erecting groove in a second viewing angle.

The ninth figure is a schematic view of the second insulator of the creative electrical connector combined with the first electrical connector semi-finished product in a first viewing angle.

The tenth figure is a partial schematic view of the second insulator of the creative electrical connector combined with the first electrical connector semi-finished product in a second viewing angle.

The eleventh figure is a schematic diagram of the decomposition of the second part of the creative electrical connector.

The twelfth figure is a schematic diagram of the component combination of the creative electrical connector.

The thirteenth figure is a cross-sectional view taken along line AA in the eleventh figure.

Figure 14 is a cross-sectional view taken along line BB in the twelfth figure.

The fifteenth figure is a cross-sectional view taken along line CC in the twelfth figure.

Figure 16 is a cross-sectional view taken along line DD in the twelfth figure.

The seventeenth figure is a schematic view of the front conductive terminal of the creative electrical connector being embedded in the front conductive terminal erecting groove.

Figure 18 is a partial perspective cross-sectional view of the grounding body of the authoring electrical connector.

The nineteenth figure is a cross-sectional view taken along line EE in the eleventh figure.

Figure 20 is a partial perspective cross-sectional view of the present electrical connector.

The following content will be described in conjunction with the drawings, and the technical contents of the present invention will be described by a specific embodiment. Those skilled in the art can easily understand other advantages and effects of the present invention by the contents disclosed in the present specification. This creation can also be implemented or applied by other different embodiments. The details of the present specification can also be modified and changed without departing from the spirit of the present invention. In particular, the proportional relationship and relative position of the various elements in the drawings are for exemplary purposes only and are not representative of actual implementation of the present invention.

For the disclosure of the electrical connector of the present invention, please refer to the first to twentieth diagrams in the creation drawing.

The present electrical connector provides a grounding terminal, a front conductive terminal, a back conductive terminal, and a grounded body. The grounding terminal of the present invention, as in the embodiment shown in the first figure, has a grounding terminal 11 plate-shaped body and a grounding lap 111, and the grounding lap 111 extends from both sides of the plate-shaped body of the grounding terminal 111. Side and front side. The front conductive terminal 13 of the present invention has a plurality of front conductive terminals 13 in the embodiment shown in the fourth figure, and the front conductive terminals 13 have front conductive terminal strip bodies, front contact portions 131 and front pins. 132, wherein the front contact portion 131 and the front pin 132 are respectively disposed on The front and rear ends of the front conductive terminal strip-shaped body, and the front side pins 132 extend downward from the front conductive terminal strip-shaped body. The back surface conductive terminal 14 of the present invention has a plurality of back surface conductive terminals 14 in the embodiment shown in FIG. 4, and the back surface conductive terminals 14 have back surface conductive strip strip bodies, back surface contact portions 141 and back surface pins 142. The back contact portion 141 and the back surface pin 142 are respectively disposed at the front and rear ends of the back conductive terminal strip body, and the back surface pins 142 extend downward from the back conductive terminal strip body. The front and rear legs 132, 142 can be used to solder a substrate or a connecting wire such that the present electrical connector constitutes a board end connector or a wire end connector, and the front and back contact portions 131, 141 can be used for Electrically contacting another electrical connector.

The first electrical insulator 12 is provided with a first insulator 12, wherein the first insulator 12 is integrated with the grounding terminal 11 by a buried molding method, and a front conductive terminal erecting groove 1211 and a rear conductive terminal arranging groove 1221 are formed. The first insulator 12 is created. In the embodiment shown in the second and third figures, the first insulator 12 has a front outer surface 121 and a back outer surface 122. The second outer surface 121 is shown in the second figure. A plurality of front conductive terminal arranging grooves 1211 are recessed. In the third figure, the back outer surface 122 is recessed with a plurality of rear conductive terminal arranging grooves 1221.

In the present invention, the front conductive terminal 13 is erected to the front conductive terminal erecting groove 1211 as shown in the fifth to sixth figures, and the rear conductive terminal 14 is erected to the back surface as shown in the seventh to eighth figures. The terminal is provided with a groove 1221 to constitute a first electrical connector blank SF1.

It should be noted that, in the first electrical connector semi-finished product SF1, the first insulator 12 supplies electricity to the ground terminal 11, the front conductive terminal 13 and the back conductive terminal 14. Sexual isolation prevents electrical shorting between the ground terminal 11, the front conductive terminal 13 and the back conductive terminal 14.

In the embodiments shown in the fifth to eighth and seventeenth embodiments, the front and rear conductive terminal strips of the front and back conductive terminals 13 and 14 further extend from the front side of the strip-shaped body to the front side embedded structure 133 and the back side. In the structure 143, the front and back conductive terminals 13 and 14 are respectively embedded in the front and back conductive terminal erecting grooves 1211 and 1221. The front and back embedded structures 133 and 143 may have a protruding structure.

The second electrical insulator 15 is integrated with the electrical connector semi-finished product by a buried molding method. The second insulator 15 of the present invention is as shown in the ninth and tenth drawings. In the illustrated embodiment, the grounding lap 111 extends beyond the second insulator 15, and the front contact 131 and the front pin 132 respectively extend out of the second insulator 15 to provide electrical connection between the front conductive terminal 13 and the back contact portion. The 141 and the back pins 142 extend out of the second insulator 15 to provide electrical connection to the back surface conductive terminals 14.

It should be noted that, in the embodiments shown in the ninth and tenth embodiments, the front and rear end edges of the front and back conductive terminals 13, 14 respectively extend into the second insulator 15, so that the second insulator 15 can be The front and back conductive terminals 13, 14 provide a limit to prevent the front and back conductive terminals 13, 14 from being lifted or detached from the second insulator 15, thereby improving the service life of the present electrical connector. Therefore, the present electrical connector may further include an edge for bonding the second insulator 15 to the front and rear ends of the front and back conductive terminals 13, 14.

The second electrical connector semi-finished product SF2 can be embedded in the metal inner frame 162 of the grounding body 16 and the grounding body 16 is overlapped with the grounding lap portion 11 1. The grounding terminal 11 is formed to form an electrical connector, and the grounding body 16 is overlapped with the grounding terminal 13 to form a grounding loop. The grounding body 16 is integrally formed by sintering the metal powder to form the shielding housing 161 and the metal. Block 162.

In the embodiment shown in the ninth to sixteenth embodiments, the grounding body 16 is integrally formed with a shielding outer casing 161 and a metal inner frame 162, and the metal inner frame 162 is located at an intermediate portion inside the shielding outer casing 161. The second electrical connector semi-finished product SF2 can be embedded in the metal inner frame 162 to form a finished electrical connector, so that the metal inner frame 162 overlaps the grounding contact portion 111 to form a ground loop with the grounding terminal 11 and The shield case 161 covers a partial area of the second insulator 15.

In the embodiment shown in the eleventh, sixteenth, and eighteenth to twentieth, the grounding lap 111 further includes an embossed structure 112, and the embossed structure 112 utilizes the embedded guiding groove 1621. The grounding terminal is guided into the inner metal frame 162 to emboss the structure 112 to guide the metal inner frame 162. Therefore, the second electrical connector semi-finished product SF2 is embedded in the metal inner frame 162 to complete the ground terminal. The grounding lap portion 111 of the 11 is overlapped with the metal inner frame 162, and the shielding outer casing 161 of the grounding body 16 covers the second electrical connector semi-finished product SF2 to form a protection and shielding benefit, and the grounding terminal 11 also has at least one The bonding hole 113 is configured to allow the first insulator 12 to enter the grounding terminal 11 to ensure a stable bonding of the grounding terminal 11 and the first insulator 12.

It should be noted that, in other embodiments of the present invention, the shielding shell 161 of the grounding body 16 may also form a shielding circuit through other means to provide electrical shielding to the front and back conductive terminals 13, 14 instead of The lapped ground lap portion 111 is limited to the bottom of the shield case 161, at least one soldering portion 1611 is added, and the soldering portion 1611 is provided for The grounding body 16 is soldered to a circuit board (not shown).

It should be noted that, in the embodiment shown in FIG. 11 and FIG. 18 to FIG. 20, the inside of the metal inner frame 162 is formed with at least one positioning groove 1622, and the front end of the second insulator 15 At least one positioning block 153 is formed, and the second electrical connector blank SF2 is embedded in a predetermined position inside the metal inner frame 162 by the positioning groove 1622 and the positioning block 153.

In summary, the present invention provides an electrical connector that allows the ground terminal to be fixed to the front and back conductive terminals by simply embedding the insulator twice, thereby simplifying the manufacturing process of the electrical connector. The integral combination of the insulator can effectively reduce the volume of the electrical connector and improve the structural strength of the electrical connector. In addition, the creation can also provide an integrated grounding body that overlaps the grounding terminal to form a ground loop to enhance the electrical characteristics of the electrical connector. Furthermore, since the electrical connector of the present invention has a ground terminal and positive and rear conductive terminals, it can be a USB Type C electrical connector.

The embodiments are merely illustrative of the principles and functions of the present invention and are not intended to limit the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this creation should be as listed in the scope of patent application for this creation.

Claims (8)

An electrical connector includes: a grounding terminal having a grounding lap; a first insulator, the first insulating system being integrated with the grounding terminal by a buried forming method, the first insulating system Exposing the grounding lap and having a front outer surface and a back outer surface, the front outer surface having at least one front conductive terminal arranging groove, the back outer surface having at least one back conductive terminal erecting groove; at least one front surface a conductive terminal, the front conductive terminal has a front contact portion and a front pin; at least one rear conductive terminal, the back conductive terminal has a back contact portion and a back surface pin; the front and back conductive terminals are respectively disposed to The front and back conductive terminals erect a groove, and form a first electrical connector semi-finished product with the first insulator, wherein the first insulating system electrically connects the front and back conductive terminals, the ground terminal and the ground body Isolating; a second insulator, the second insulating system is integrated with the first electrical connector semi-finished product by a buried forming method a second electrical connector semi-finished product, the second insulating system exposing the grounding lap, the front and back contact portions and the front and back contacts; and a grounding body integrally formed with a shielding shell and a metal An inner frame, the metal inner frame is located at an intermediate portion of the inner portion of the shielding case, and the second electrical connector semi-finished product can be embedded in the metal inner frame to form an electrical connector finished product, and the metal inner frame is overlapped with the grounding lap portion And forming a ground loop with the ground terminal, and shielding the shield shell to cover a partial region of the second insulator to provide electrical shielding to the front and back contact portions. The electrical connector of claim 1, wherein the bottom of the grounding body is provided with at least one soldering portion for soldering the grounding body to a circuit board. The electrical connector of claim 1, wherein the left and right sides of the inner metal frame respectively have an embedded guiding groove, and the embedded guiding groove guides the grounding terminal into the metal inner frame. Internally, the second electrical connector semi-finished product is embedded in the metal inner frame, and the grounding lap of the grounding terminal is overlapped with the metal inner frame. The electrical connector of claim 3, wherein the grounding lap of the grounding terminal is an embossing disposed on the surface of the grounding terminal facing the embedded guiding groove structure. The electrical connector of claim 1, wherein the front and rear end edges of the front and back conductive terminals respectively extend into the second insulator. The electrical connector of claim 1, wherein the inner portion of the metal inner frame is formed with at least one positioning groove, and the front end of the second insulator is formed with at least one positioning block, and the positioning groove is The structure of the positioning block cooperates to embed the second electrical connector semi-finished product at a predetermined position inside the metal inner frame. The electrical connector of claim 1, wherein the front and back conductive terminals further have a front side embedded structure and a back side embedded structure, wherein the front and back conductive terminals are respectively embedded in the The front and back conductive terminals are grooved. The electrical connector of claim 1, wherein the grounding terminal further has at least one coupling hole for the first insulator to enter the grounding terminal, and the grounding terminal and the first insulator are ensured. a solid combination.