TWM617722U - Electrical connector - Google Patents

Abstract

An electrical connector including an insulating body, a plurality terminals, and a shielding piece is provided. The insulating body has a base portion and a tongue portion, the tongue has a front edge away from the base portion, and the terminals disposed in the insulating body are extending from the base portion to the tongue portion respectively. Portions of the terminals exposed out of the tongue portion are configured to be mated with another terminals of another electrical connector. The shielding piece is disposed in the insulating body and separate the terminals into two groups. The shielding piece has a recess and at least one first opening located at the tongue portion, the recess is located at the front edge, and the recess and the first opening are arranged on a same line.

Description

Electrical connector

This new creation is about an electrical connector.

The commonly used electrical connector interface is Universal Serial Bus (USB), which is smaller and easier to carry and is widely used by the public. It is commonly used in various portable devices such as smart mobile communication devices and digital cameras. The connection hole of the integrated electronic device and the corresponding transmission line are set up and used for docking.

Taking the existing USB Type-C connection interface specification electrical connector as an example, it is often required to simultaneously face the dual considerations of the disposition position of the terminal and the combination between the terminal and the insulating body by the embedded injection molding technology. That is to say, in the process of miniaturizing electrical connectors, it is often hindered by the above-mentioned bonding process and difficult to manufacture, or the terminals may be weakly bonded or even deformed or displaced during the above-mentioned bonding process. The consequence of the situation is that the problem of capacitance effect and noise interference is prone to occur. Based on this, how to solve the problem of the conventional structure is the problem that the relevant technical personnel must think about.

The present invention provides an electrical connector in which the material strip connection part of the shielding sheet is arranged in the base of the insulating body, and the notch and the glue-passing opening of the shielding sheet are arranged on the front edge to provide a better structural configuration and advantageous In the process of combining the terminal and the insulating body.

An electrical connector includes an insulating body, a plurality of terminals and a shielding sheet. The insulating body has a base and a tongue, and the tongue has a front edge away from the base. The terminals are respectively arranged on the insulating body and extend from the base to the tongue. The part of the terminal exposed from the tongue is used for mating with a plurality of terminals of another electrical connector. The shielding sheet is arranged in the insulating body, and the terminals are divided into two groups by the shielding sheet. The shielding sheet has a notch and at least one first over-glue opening, respectively located on the tongue, the notch is located at the front edge, and the recess The openings are arranged along the same line as the first glue passing opening.

In an embodiment of the present invention, the above-mentioned insulating body and the shielding sheet are combined by embedding and molding. The shielding sheet has a pair of first rubber openings for the partial structure of the insulating body to pass through. The glue opening is located on the opposite sides of the recess, and the above-mentioned straight line passes through the opposite sides.

In an embodiment of the present invention, the above-mentioned first glue opening does not overlap with the terminal.

In an embodiment of the present invention, the above-mentioned shielding sheet further has a pair of second glue openings located on the tongue. The second glue-passing opening is used for passing another partial structure of the insulating body, and the second glue-passing opening is not on the above-mentioned straight line.

In an embodiment of the present invention, the above-mentioned second glue passage only overlaps with the ground terminal of the plurality of terminals.

In an embodiment of the present invention, the above-mentioned second glue opening does not overlap with the high-speed signal terminal of the plurality of terminals.

In an embodiment of the present invention, the distance between the second glue passing opening and the notch is greater than the distance between the first glue passing opening and the notch.

In an embodiment of the present invention, the distance of the second glue passage with respect to the front edge is greater than the distance of the first glue passage with respect to the front edge.

In an embodiment of the present invention, the above-mentioned shielding sheet further has a third glue passing opening, which is located between the second glue passing opening and is arranged along another straight line with the second glue passing opening.

In an embodiment of the present invention, the above-mentioned shielding sheet further has an opening, which is located at the tongue portion and is arranged along the butting axis of the electrical connector along the same as the notch. Between the openings.

In an embodiment of the present invention, the above-mentioned shielding sheet further has an opening, which is located at the tongue portion and is arranged along the mating axis of the electrical connector along with the notch, and the third pass-through opening is a part of the opening.

In an embodiment of the present invention, the above-mentioned shielding sheet further has an opening extending from the tongue to the base.

In an embodiment of the present invention, the multiple power terminals of the above-mentioned terminal partially protrude from the notch, the ends of the multiple low-speed signal terminals of the terminal are kept away from the notch, and the low-speed signal terminal is located between the power terminals.

In an embodiment of the present invention, the above-mentioned insulating body has a supporting block located at the tongue. The power terminal or the ground terminal of the above-mentioned plurality of terminals is supported on the shielding piece by a supporting block to keep a distance from the shielding piece. The length of the power terminal or the ground terminal on the tongue is greater than the length of the remaining terminals on the tongue.

Based on the above, the electrical connector is beneficial to the bonding process of the insulating body, the terminal and the shielding sheet by arranging the tape connection part of the shielding sheet on the base of the insulating body and exposing it from the base, which is to allow the three to be combined first. , And then cut off the shielding sheet and the tape from the connecting part of the tape. Furthermore, the electrical connector is also arranged at the front edge of the insulating body by the notch of the shielding sheet and the adhesive opening, and the notch and the adhesive opening are aligned along the same line, which is beneficial to the bonding process. The liquid glue is finally solidified to form an insulating body through the notch and the glue opening, thus simplifying the aforementioned bonding process and obtaining better structural strength and terminal positioning accuracy.

Fig. 1 is a schematic diagram of an electrical connector according to an embodiment of the invention. Fig. 2 shows the electrical connector of Fig. 1 from another perspective. Please refer to Figure 1 and Figure 1 at the same time. In this embodiment, the electrical connector 100, which takes a socket electrical connector as an example, includes an insulating body 110 and a plurality of terminals 120. The insulating body 110 has a base 111 and a tongue. 112. The terminals 120 are respectively disposed in the insulating body 110 and extend from the base 111 to the tongue 112, wherein the exposed portion of the terminal 120 from the tongue 112 is used for mating with a plurality of terminals of another electrical connector along the mating axis X1.

Fig. 3 is an exploded schematic diagram of the electrical connector of Fig. 1. Please refer to FIGS. 1 to 3 at the same time. In this embodiment, the electrical connector 100 further includes a shielding sheet 130 disposed in the insulating body 110. The terminals 120 are separated by the shielding sheet 130 into two upper and lower terminal groups AX and CX. . Furthermore, the shielding sheet 130 has tape connecting portions 138 and 139, and as shown in FIGS. 1 and 2, the tape connecting portions 138 and 139 expose the insulating body 110 from the base 111.

FIG. 4 shows the terminals and shielding pieces of the electrical connector of FIG. 1 from a top perspective. FIG. 5 shows a cross-sectional view of the electrical connector of FIG. 1 from a top perspective. Please refer to FIGS. 3 to 5 at the same time. In this embodiment, the shielding sheet 130 has a notch 134 and a first glue passage 135, which are respectively located on the tongue 112 of the insulating body 110 and substantially located at the front edge of the insulating body 110 112a, and the notches 134 and the first glue-passing opening 135 are aligned along the line X2.

6 to 8 illustrate the manufacturing process of the electrical connector of FIG. 1. Please refer to FIGS. 3 and 6. In this embodiment, as shown in FIG. 3, the insulating body 110 includes three different components B1 to B3 that are independent of each other, and the terminals 120 are also divided into different terminal groups AX and CX. The terminals of the terminal group AX are formed by punching and bending the same conductive metal plate, and the terminals of the terminal group CX are the same. Accordingly, in the manufacturing process of the electrical connector 100, the component B1 is combined with the terminal set AX, and the component B2 is combined with the terminal set CX, that is, the above is completed by insert molding technology. Combine.

Then, as shown in FIG. 6, a material strip 20, such as a metal plate, is provided and stamped to form the shielding sheet 130 and the branches 21, 22 of the material strip 20 that are still connected together, that is, the shielding sheet 130 is connected to the branches 21, 22 of the tape 20 through the tape connection portions 138, 139 thereof.

Next, the above-mentioned member B1 and the terminal group AX, and the member B2 and the terminal group CX, which have been combined, are respectively assembled to the shielding sheet 130. As shown in Figure 6, the member B1 is divided into a first part B11 and a second part B12 and has a positioning hole B13 located on the first part B11, and the member B2 is divided into a first part B21 and a second part B22 and has a first part B21 The boss B23. Here, the positioning pillar B23 is assembled into the positioning hole B13 through the opening 137 of the shielding piece 130, and is formed as shown in FIG. And terminal group CX). Then, the assembled shielding sheet 130 and the aforementioned components can be removed from the tape connecting portions 138 and 139, so that the tape 20 and shielding sheet 130 can be disconnected from the tape connecting portions 138,139. Here, as shown in FIG. 6, the thickness of the web connecting portions 138 and 139 is less than the thickness of the shielding sheet 130 and also less than the thickness of the web 20, thereby forming a necked structure that is easy to break.

Finally, as shown in Figure 8, by the second buried injection molding technology (the aforementioned member B1 and terminal group AX, member B2 and terminal group CX are respectively the first buried injection molding process), and in the above The member B3 of the insulating body 110 is formed on the assembled structure to combine the aforementioned member B1 (and the terminal group AX thereon), the shielding sheet 130 and the member B2 (and the terminal group CX thereon) together. At this point, the first part B11 of the member B1 and the first part B21 of the member B2 form the base 111 of the insulating body 110, and the second part B12 of the member B1, the second part B22 of the member B2, and the member B3 form the tongue of the insulating body 110. 112. In order to facilitate the identification of structural features, the component B3 is drawn in a separate manner.

Please refer to FIG. 5 again, which is a schematic diagram of the internal structure of the electrical connector 100 obtained by cutting. Please refer to FIG. 3, FIG. 5, and FIG. 132. A pair of leading corners 133 and a pair of branches 131, wherein the leading corners 133 and the branches 131 are located on opposite sides of the main portion 132 and extend away from each other. 138 and 139 are located at branch 131 respectively. At the same time, FIG. 5 can also clearly identify the correspondence between the branches 131, the main portion 132, and the leading corner portion 133 of the shielding sheet 130 with respect to the base 111 and the tongue 112 of the insulating body 110. Here, if the shielding sheet 130 corresponds to the insulating body At 110, the main portion 132 of the shielding sheet 130 is substantially located at the tongue 112 of the insulating body 110, the branch 131 is located at the base 111 of the insulating body 110, and the central opening H1 of the shielding sheet 130 extends from the tongue 112 to the base 111, and The tape 20 is connected to the branch 131 of the shielding sheet 130 through the branches 21 and 22.

As shown in Figures 1 and 2, the electrical connector 100 is assembled and combined. The material strip connection portion 138 of the shielding sheet 130 will expose the insulating body 110 from the left and right opposite sides of the base 111, and the material strip connection portion 139 exposes the insulating body 110 from the rear side of the base 111. In other words, the shielding sheet 130 restricts the web connecting portions 138, 139 to the branches 131, which is beneficial for allowing the main portion 132 and the leading corner portion 133 to obtain additional design margin and flexibility, so as to facilitate the final formation of the member B3 The molding process, as detailed in the follow-up.

As mentioned above, the margin and elasticity of the design is that the shielding sheet 130 of this embodiment also has a first glue opening 135, a second glue opening 136 and a notch 134, and the notch 134 is located at the leading corner. 133, and the first glue opening 135 and the second glue opening 136 are located at the leading corner 133, wherein the distance between the second glue opening 136 and the notch 134 is greater than that of the first glue opening 135 with respect to the notch 134 the distance. As shown in FIG. 5, in the process of forming the member B3, the partial structure of the member B3 will cover most of the shielding sheet 130 through the first glue opening 135, the second glue opening 136 and the notch 134, and also It is equivalent to allowing different parts of the insulating body 110 to pass through the first glue-passing opening 135, the second glue-passing opening 136, and the notch 134, so that the component B3 of the insulating body 110 and the shielding sheet 130 can be tightly combined. Here, on the straight line X2, the first glue passing openings 135 are located on opposite sides of the recess 134 (also equivalent to the straight line X2 passing through the opposite sides), and the second glue passing openings 136 are arranged along the straight line X3. X2 is parallel to the straight line X3, and after the forming of the component B3 is completed, the distance between the second glue opening 136 and the front edge 112a is greater than the distance between the first glue opening 135 and the front edge 112a.

Please refer to Figures 4 and 5 at the same time. Figure 4 is equivalent to Figure 3 after being assembled and formed from below. The corresponding relationship between the terminal 120 and the shielding sheet 130 is described here to further understand the insulation. The relative relationship between the main body 110, the terminal 120 and the shielding sheet 130. In this embodiment, the terminals of the terminal groups AX and CX are arranged in opposite directions, so that the electrical connector 100 has the ability of positive insertion and reverse insertion. The terminal group AX includes terminals A1～A12, which are ground terminal (GND), high-speed signal terminals (SuperSpeed differential signals, namely TX+ and TX-), power terminals (V _bus ), dedicated channel (Configuration Channel, CC) terminals, Signal terminals (USB 2.0 differential signals, namely D+ and D-), sideband use (SBU) terminals, power terminals (V _bus ), high-speed signal terminals (SuperSpeed differential signal #2, namely RX- and RX+), and Ground terminal (GND). In contrast, the terminal group CX includes terminals C1 to C12, and the terminal definitions of these terminals C1 to C12 are the same as those of the aforementioned terminal group AX, but are arranged in the opposite direction to the terminal group AX.

In short, short-length terminals (such as terminals A2, A3, A5~A8, A10, A11, and terminals C2, C3, C5~C8, C10, C11) are signal terminals, and long-length terminals (such as terminals A1, A4, A9, A12, and terminals C1, C4, C9, C12) are ground terminals or power terminals. The connector 100 can be used for mating regardless of the forward direction or the reverse direction.

Furthermore, as shown in FIG. 4, in the structure of the shielding sheet 130, the first glue opening 135 does not overlap with all the terminals (terminals A1 to A12, C1 to C12), and the second glue opening 136 Only the ground terminals (terminals C1, C12, A1, A12) of the plurality of terminals 120 overlap, and the power terminals (terminals A4, A9, C4, C9) partially protrude from the recess 134 of the shielding sheet 130, which is also equivalent to The second glue port 136 does not overlap the high-speed signal terminals (terminals A2, A3, A10, A11, C2, C3, C10, C11). In addition, low-speed signal terminals, including dedicated channel terminals (terminals A5, C5), signal terminals (terminals A6, A7, C6, C7), and sideband signal terminals (A8, C8), keep a distance d1 from the notches 134. , Wherein the aforementioned low-speed signal terminals (terminals A5 to A8, C5 to C8) are substantially located between the power terminals (terminals A4, A9, C4, C9).

On the other hand, please refer to Figure 3 again, in order to make the longer-length terminals (terminals A1, A4, A9, A12 and terminals C1, C4, C9, C12) remain stable during the forming process of component B3 without dislocation Or modified, the insulating body 110 of this embodiment further includes a support block B14 provided on the member B1 and a support block B24 provided on the member B2, wherein the support block B14 protrudes from the second part B12, and the support block B24 protrudes from The second part B22, so that the longer terminal can also form a larger abutment area with the members B1, B2, and obtain sufficient support strength, so that the support blocks B14, B24 can be used in the process of forming the member B3. Keep a distance from the shielding sheet 130 respectively.

Fig. 9 is a schematic diagram of a shielding sheet according to another embodiment of the present invention. Please refer to FIG. 9, similar to the previous embodiment, the shielding sheet 230 of this embodiment has a first glue opening 235, a second glue opening 236 and a notch 234, and a first glue opening 235 and a notch 234 It is located on the straight line X2, and different from the previous embodiment, the shielding sheet 230 of this embodiment also has a third glue passing opening 237, which is located on the straight line X3 with the second glue passing opening 236, and is also connected to the notch 234 and the opening 231 is located on the mating axis X1 of the electrical connector, and the third glue opening 237 is located between the opening 231 and the recess 234. In addition, the shielding sheet 230 of this embodiment is only connected to the tape by the tape connecting portions 238 on the opposite sides, which is equivalent to that when the shielding sheet 230 is combined with the aforementioned terminal 120 and the insulating body 110 as shown in FIG. The connecting portion 238 will be exposed from the opposite sides of the base of the insulating body, similar to the state shown in FIGS. 1 and 2. In addition, compared with the foregoing embodiment, this embodiment is equivalent to providing an additional channel for the partial structure of the insulating body to pass through, in addition to the existing first and second glue openings 235 and 236. It helps to improve the bonding strength between the shielding sheet 230 and the insulating body, and also helps the fluidity and filling of the liquid insulating body in the mold during the embedding and injection molding.

Fig. 10 is a schematic diagram of a masking sheet according to another embodiment of the present invention. Please refer to FIG. 10. It should be noted that the shielding sheet 330 of this embodiment is similar to the shielding sheet 130 of the previous embodiment, so the same structural features are marked with the same symbols and will not be repeated. The difference from the previous embodiment lies in the openings 331 and 332 in the center of the shielding sheet 330. The openings 331 and 332 are integrated, that is, the openings 331 and 332 are structured to form a single closed opening outline. The third glue opening (opening 332) is regarded as a part of the aforementioned single closed opening. Compared with the foregoing embodiment, the opening 331 is equivalent to the opening H1 of the foregoing embodiment, that is, the present embodiment expands the range of the opening so that the opening 332 provides an additional channel for the insulating body to pass through. Compared with the embodiment shown in FIG. 9, the opening 332 of this embodiment can produce the same effect as the third glue opening 237, which can improve the fluidity and fluidity of the liquid insulating body in the mold during the injection molding process. Filling to improve the bonding strength between the insulating body and the shielding sheets 230 and 330.

To sum up, in the above-mentioned embodiment of the present invention, the electrical connector is beneficial to the insulating body, the terminal and the shielding sheet by arranging the connecting part of the shielding sheet on the base of the insulating body and exposing it from the base. The bonding process is to allow the three to be combined first, and then the shielding sheet and the material tape are cut off from the material tape connection part. Furthermore, the electrical connector is also arranged at the front edge of the insulating body by the notch of the shielding sheet and the adhesive opening, and the notch and the adhesive opening are aligned along the same line, which is beneficial to the bonding process. The liquid glue is finally solidified to form an insulating body through the notch and the glue opening, thus simplifying the aforementioned bonding process and obtaining better structural strength and terminal positioning accuracy.

Furthermore, since the tape connector of the shielding sheet is limited to the base of the insulating body, for the tongue and shielding sheet of the insulating body, it increases the margin and elasticity that can be extra-designed, thereby facilitating insulation The embedding process between the main body and the shielding sheet, that is, the multiple glue openings disclosed in the foregoing embodiment, can not only improve the fluidity and filling of the liquid insulating body in the mold during the embedding process, but also Therefore, the bonding strength between the insulating body and the shielding sheet is improved.

20: Material belt 21, 22: Branch 100: electrical connector 110: Insulating body 111: base 112: tongue 112a: leading edge 120: terminal 130, 230, 330: Masking sheet 131: branch 132: Main part 133: Leading corner 134, 234: Notch 135, 235: The first glue port 136, 236: The second glue port 137, 231, 331, 332: opening 138, 139, 238: material belt connection part 237: The third pass AX, CX: terminal group A1～A12: Terminal B1, B2, B3: components B11, B21: Part One B12, B22: Part Two B13: positioning hole B23: Bulge B14, B24: support block C1～C12: terminal d1: distance H1: opening X1: Butt axis X2, X3: straight line

Fig. 1 is a schematic diagram of an electrical connector according to an embodiment of the invention. Fig. 2 shows the electrical connector of Fig. 1 from another perspective. Fig. 3 is an exploded schematic diagram of the electrical connector of Fig. 1. FIG. 4 shows the terminals and shielding pieces of the electrical connector of FIG. 1 from a top perspective. FIG. 5 shows a cross-sectional view of the electrical connector of FIG. 1 from a top perspective. 6 to 8 illustrate the manufacturing process of the electrical connector of FIG. 1. Fig. 9 is a schematic diagram of a shielding sheet according to another embodiment of the present invention. Fig. 10 is a schematic diagram of a masking sheet according to another embodiment of the present invention.

100: electrical connector

110: Insulating body

111: base

112: tongue

112a: leading edge

120: terminal

138: Material belt connection part

X1: Butt axis

Claims (14)

An electrical connector, including: The insulating body has a base and a tongue, and the tongue has a front edge away from the base; A plurality of terminals are respectively arranged on the insulating body and extend from the base to the tongue, and the exposed portions of the terminals from the tongue are used for mating with the terminals of another electrical connector; and The shielding sheet is arranged in the insulating body, the terminals are divided into two groups by the shielding sheet, wherein the shielding sheet has a notch and at least one first over-glue opening, which are respectively located on the tongue, and the notch is located The front edge and the notch are aligned along the same line as the first glue-passing opening. The electrical connector according to claim 1, wherein the insulating body and the shielding sheet are combined by embedding injection molding, and the shielding sheet has a pair of first rubber openings for supplying a part of the insulating body When the structure passes, the pair of first glue passage openings are located on opposite sides of the recess, and the straight line passes through the opposite sides. The electrical connector according to claim 1, wherein the pair of first adhesive openings do not overlap with the terminals. The electrical connector according to claim 1, wherein the shielding sheet further has a pair of second rubber passing openings located on the tongue, and the pair of second rubber passing openings are used for passing through another partial structure of the insulating body, The pair of second glue openings are not on the straight line. In the electrical connector according to claim 4, the second glue-passing port only overlaps with the ground terminals of the terminals. According to the electrical connector described in claim 4, the second glue port does not overlap with the high-speed signal terminals of the terminals. The electrical connector according to claim 4, wherein the distance of the second glue-passing opening with respect to the notch is greater than the distance of the first glue-passing opening with respect to the notch. The electrical connector according to claim 4, wherein the distance between the second rubber passage opening and the front edge is greater than the distance between the first rubber passage opening and the front edge. The electrical connector according to claim 4, wherein the shielding sheet further has a third plastic passage opening located between the pair of second plastic passage openings and arranged along another straight line with the pair of second plastic passage openings. The electrical connector according to claim 9, wherein the shielding sheet further has an opening located on the tongue and arranged along the mating axis of the electrical connector along with the notch, and the third adhesive opening is along the mating axis It is located between the notch and the opening. The electrical connector according to claim 9, wherein the shielding sheet further has an opening located on the tongue portion and arranged along the mating axis of the electrical connector, and the third adhesive opening is a part of the opening. In the electrical connector according to claim 1, the shielding sheet further has an opening extending from the tongue to the base. The electrical connector according to claim 1, wherein the plurality of power terminals of the terminals partially protrude from the notch, the ends of the plurality of low-speed signal terminals of the terminals keep a distance from the notch, and the low-speed signal terminals Located between these power terminals. The electrical connector according to claim 1, wherein the insulating body has a supporting block located on the tongue, and the power terminals or ground terminals of the terminals are supported on the shielding sheet by the supporting block to keep a distance from the shielding sheet , The length of the power terminal or the ground terminal on the tongue is greater than the length of the other terminals on the tongue.

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