TWI707513B - Electrical connector and method of manufacturing thereof - Google Patents

Abstract

An electrical connector and method of manufacturing thereof are provided. The electrical connector comprises a terminal group having an intermediate terminal, a left terminal and a right terminal ; a left and right terminal seat for being used to prevent the intermediate terminal from break overing the left and right terminals, and the left and right terminals are respectively positioned on both sides of the intermediate terminal and the left and right terminals are electrically connected; and an insulating shell for positioning the intermediate terminal and the left and right terminal seat, and extending the two ends of the intermediate terminal, the left terminal and the right terminal respectively in a predetermined direction. In this way, the invention can not only simplify the manufacturing process of electrical connector, but also effectively ensure the positioning of the terminal group to improve the product yield.

Description

Electric connector and manufacturing method thereof

The present invention relates to an electrical connector and a manufacturing method thereof. In particular, it relates to a semi-finished electrical connector formed by pre-fixing and conducting a plurality of grounding terminals using a snap connection method, and then forming an insulator by embedding to locate signal terminals The electrical connector and the electrical connector semi-finished product form the electrical connector product and the manufacturing method thereof.

In recent years, electrical connectors have been widely used in various electronic equipment. However, in response to the special needs and development of electronic equipment, the demand for customization of electrical connectors has continued to increase. In this way, the impact on electrical connectors will not only cause In addition to increasing processing difficulty, it will also cause doubts about structural strength.

In detail, electrical connectors usually have multiple conductive terminals. Some of these conductive terminals may need to be electrically connected to each other. For this reason, most of the terminals are achieved by jumpers. The electrical connection between each other, however, the jumper is easily deformed or damaged by external force, which causes the electrical connection between some terminals to be interrupted, and the yield rate of the connector cannot be improved.

It can be seen from the above that how to provide an electrical connector that does not require a jumper to achieve electrical connection between some of the terminals will become a goal pursued by those skilled in the art.

In view of the above-mentioned shortcomings of the prior art, the main purpose of the present invention is to provide an electrical connector and a manufacturing method thereof, which can effectively solve the problem of electrical connection interruption between multiple ground terminals.

Another object of the present invention is to provide an electrical connector and a manufacturing method thereof, which can simplify the manufacturing process of the electrical connector.

The electrical connector of the present invention includes a terminal group, a left and right terminal base, and an insulating housing, wherein the terminal group has at least one middle terminal, a left terminal and a right terminal; the left and right terminal base has a left and right terminal. The terminal base body, at least one middle terminal piercing channel, a left terminal locating part and a right terminal locating part, the middle terminal piercing channel is arranged on the left and right terminal base bodies to provide for piercing the middle terminal and making the middle terminal The terminals avoid the left and right terminal base bodies. The left terminal positioning portion and the right terminal positioning portion are respectively provided on the left and right terminal base bodies to respectively position the left terminal and the right terminal, so that the left terminal and the right terminal are respectively Are located at predetermined positions on the left and right sides of the middle terminal, and electrically connect the left terminal and the right terminal; the insulating housing has an insulating housing body, at least one intermediate terminal positioning portion, and a left and right terminal seat positioning portion. The terminal positioning portion and the left and right terminal seat positioning portions are respectively provided on the insulating housing body for positioning the middle terminal and the left and right terminal seats respectively, and make both ends of the middle terminal, the left terminal and the right terminal , Respectively extend toward a predetermined direction to extend out of the insulating housing body.

Preferably, in the electrical connector of the present invention, the left and right terminal blocks are conductive plastic terminal blocks.

Preferably, in the electrical connector of the present invention, the left and right terminal bases have a left and right terminal base overlapping portion, the insulating housing also has a left and right terminal base exposed structure, and the left and right terminal base exposed structures are provided on the insulating housing The main body exposes the overlapping parts of the left and right terminal blocks to provide electrical overlapping.

Preferably, in the electrical connector of the present invention, the left terminal positioning portion and the right terminal positioning portion respectively have a left terminal clamping structure and a right terminal clamping structure, and the left terminal clamping structure and the right terminal The clamping structure is respectively clamping the left terminal and the right terminal.

Preferably, in the electrical connector of the present invention, the left terminal positioning portion and the right terminal positioning portion respectively have a left terminal clamping structure and a right terminal clamping structure, and the left terminal clamping structure and the right terminal The clamping structure clamps the left terminal and the right terminal respectively.

Preferably, in the electrical connector of the present invention, the middle terminal positioning portion and the left and right terminal block positioning portions respectively have a middle terminal clamping structure and a left and right terminal block clamping structure, and the middle terminal clamping structure is The clamping structure of the left and right terminal blocks respectively clamps and positions the middle terminal and the left and right terminal blocks.

Preferably, in the electrical connector of the present invention, the left and right terminal blocks have an insulating housing clamping structure, and the insulating housing clamping structure is clamping the insulating housing.

Preferably, in the electrical connector of the present invention, the middle terminal is a signal terminal, and the left terminal and the right terminal are ground terminals.

Furthermore, the present invention also provides a method for manufacturing an electrical connector, which includes providing a terminal set having at least one middle terminal, a left terminal, and a right terminal; providing a left and right terminal base, so that the left and right terminal bases Respectively positioning the left terminal and the right terminal so that the left terminal and the right terminal are respectively located at predetermined positions on both sides of the middle terminal, and the left terminal and the right terminal are electrically connected to form a semi-finished electrical connector; And providing an insulating housing for positioning the middle terminal and the left and right terminal blocks respectively, and making both ends of the middle terminal, the left terminal and the right terminal extend in a predetermined direction to extend out of the insulating housing body , To form a finished electrical connector, wherein the insulating shell is integrated with the middle terminal and the left and right terminal blocks through an embedded molding method.

Preferably, in the manufacturing method of the electrical connector of the present invention, the method further includes exposing the portion of the left and right terminal blocks from the insulating shell to provide electrical overlap.

Preferably, in the electrical connector manufacturing method of the present invention, the method further includes making the left and right terminal blocks respectively clamp or clamp the left terminal and the right terminal, and making the insulating shell clamp the middle terminal and the left and right terminals respectively seat.

Compared with the prior art, the electrical connector and its manufacturing method proposed by the present invention form a semi-finished electrical connector by pre-clipping the left terminal and the right terminal (ie ground terminal) of the terminal group, so that the left terminal and the right terminal The two terminals are electrically connected, and then an insulator is formed by embedding to fix the intermediate terminal (signal terminal) and the semi-finished product of the electrical connector. This can strengthen the positioning of the ground terminal to reduce the probability of ground terminal displacement, and It has the effects of increasing the yield of the product, simplifying the process and reducing the cost of the mold. It can also achieve the electrical connection between the conductive terminals without adding a jumper.

The following content will be combined with the drawings to illustrate the technical content of the present invention through specific specific embodiments. Those familiar with this technology can easily understand the other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied by other different specific embodiments. The details in this specification can also be modified and changed based on different viewpoints and applications without departing from the spirit of the present invention. In particular, the proportional relationship and relative positions of the various elements in the drawings are for exemplary purposes only, and do not represent the actual implementation of the present invention.

For the disclosure of the electrical connector and its manufacturing method of the present invention, please refer to FIGS. 1 to 13 together.

As shown in FIGS. 1 to 4, the electrical connector 1 of the present invention mainly includes a terminal group 11, a left and right terminal base 12, and an insulating shell 13. The terminal set 11 has at least one middle terminal 111, a left terminal 112 and a right terminal 113. In the embodiment, the middle terminal 111, the left terminal 112, and the right terminal 113 are arranged side by side, the middle terminal 111 is, for example, a signal terminal, and the left terminal 112 and the right terminal 113 are, for example, a ground terminal. Specifically, referring to FIGS. 10 to 12 in combination, the middle terminal 111 further has a first conductive portion 1111 and a first welding portion 1112, and the left terminal 112 further has a second conductive portion 1121 and a second welding portion 1122 And the second clamping area 1123; the right terminal 113 also has a third guiding portion 1131, a third welding portion 1132 and a third clamping area 1133, wherein the second guiding portion 1121 of the left terminal 112 and the first The two welding parts 1122 are connected and formed by extending forward and outward, and the second welding part 1122 is formed by bending in a horizontal direction; the third guiding part 1131 of the right terminal 113 is connected with the third welding part 1132 and facing outward It is formed by extending, and the third welding portion 1132 is formed by bending toward a horizontal direction. The second clamping area 1123 of the left terminal 112 is provided between the second guiding portion 1121 and the second welding portion 1122, and the third clamping area 1133 of the right terminal 113 is located between the third guiding portion 1131 and the third welding portion Between 1132. In addition, the first connecting portion 1111 of the intermediate terminal 111 is connected to the first welding portion 1112 and is formed by extending forward and outward, and the first welding portion 1112 is formed by bending in a horizontal direction. The connecting portion 1111, the second conductive portion 1121, and the third conductive portion 1131 can electrically contact the opposite conductive portions of the butt connector (not shown in the figure). Each of the first welding portions 1112, the second welding portion 1122 and the second The three-welded portion 1132 can be used to connect a welding substrate or a connecting wire (not shown in the figure), so that the electrical connector 1 of the present invention constitutes a board-end connector or a wire-end connector.

As shown in FIGS. 3 and 4, the left and right terminal blocks 12 have a left and right terminal block body 121, at least one middle terminal penetration channel 122, a left terminal positioning portion 123 and a right terminal positioning portion 124. Please refer to FIG. 8 and FIG. 11 in conjunction, wherein the middle terminal penetration channel 122 is provided in the left and right terminal base bodies 121 to provide for the penetration of the middle terminal 111 and make the middle terminal 111 avoid the left and right terminal base bodies 121.

Please refer to Figure 3, Figure 9 and Figure 12 together, the left terminal positioning portion 123 and the right terminal positioning portion 124 are respectively provided on the left and right terminal base bodies 121 for positioning the left terminal 112 and the right terminal 113, so that the left terminal 112 The right terminal 113 and the right terminal 113 are respectively located at predetermined positions on the left and right sides of the middle terminal 111 to form a semi-finished electrical connector. In this embodiment, the left and right terminal blocks 12 are, for example, a conductive plastic terminal block, so that the left terminal 112 and the right terminal 113 are electrically connected, and the electrical connection between the left terminal 112 and the right terminal 113 is prevented from being interrupted. With this design, grounded cavity conductors can be formed inside the left and right terminal blocks 12, so that the external electric field will not affect the objects in the cavity, and at the same time, the electric field of the charged body inside the cavity will not affect the objects outside the cavity. In this way, the technical effect of electrostatic shielding is provided to prevent the intermediate terminal 111 from being interfered with the transmission of high-speed signals.

In another embodiment, the left terminal positioning portion 123 and the right terminal positioning portion 124 may respectively have a left terminal clamping structure 1231 and a right terminal clamping structure 1241, wherein the left terminal clamping structure 1231 is connected to the right terminal The structure 1241 is respectively used for clamping the left terminal 112 and the right terminal 113 of the terminal group 11 (as shown in FIG. 5 and FIG. 6).

Furthermore, as shown in FIGS. 5 and 6, the above-mentioned left terminal positioning portion 123 and right terminal positioning portion 124 can also be designed to have a left terminal clamping structure 1232 and a right terminal clamping structure 1242, respectively. The left terminal 112 and the right terminal 113 of the terminal group 11 are respectively clamped for positioning, so as to reduce the chance of displacement of the left terminal 112 and the right terminal 113.

The insulating housing 13 has an insulating housing body 131, at least one intermediate terminal positioning portion 132, and a left and right terminal seat positioning portions 133. The intermediate terminal positioning portion 132 and the left and right terminal seat positioning portions 133 are respectively provided on the insulating housing body 131. The middle terminal 111 and the left and right terminal blocks 12 are respectively positioned, and the two ends of each of the middle terminal 111, the left terminal 112 and the right terminal 113 respectively extend in a predetermined direction and protrude from the insulating housing body 131 (that is, the state shown in FIG. 1) , To form a finished electrical connector.

In one embodiment, the middle terminal positioning portion 132 and the left and right terminal base positioning portions 133 respectively have a middle terminal clamping structure 1321 (as shown in FIGS. 8 and 12) and a left and right terminal base clamping structure 1331 (as shown in FIG. 6). And shown in Figure 9), for the middle terminal clamping structure 1321 and the left and right terminal base clamping structures 1331 to respectively position the middle terminal 111 and the left and right terminal bases 12 in a clamping manner.

In addition, as shown in FIG. 4, the left and right terminal blocks 12 may further include an insulating shell clamping structure 126 for clamping the insulating shell 13.

In an embodiment, the left and right terminal blocks 12 may further include a left and right terminal block overlap portion 125 (as shown in FIG. 4). Correspondingly, the insulating housing 13 may also have a left and right terminal block exposed structure 134 (as shown in FIG. 4 and 6), as shown in Figure 2, the left and right terminal base exposed structures 134 are provided on the insulating housing body 131, and the left and right terminal base overlapping portions 125 of the left and right terminal bases 12 are exposed to provide electrical overlap to form an electrical connection. Connector 1. With this design, the ground terminals of two sets of electrical connectors 1 can also be electrically connected to each other to form an electrical connector set 1'(as shown in FIG. 7). In addition, the constituted electrical connector group 1'can be further connected to the circuit board 2 (as shown in Fig. 13).

As shown in Figure 14, the manufacturing method of the electrical connector of the present invention mainly includes:

In step S1, a terminal set is provided. In this embodiment, the terminal set has at least one middle terminal, one left terminal and one right terminal.

In step S2, a left and right terminal block is provided, and the left and right terminal blocks of the terminal block are positioned respectively so that the left and right terminals are located at predetermined positions on both sides of the middle terminal, and the left and right terminals The two terminals are electrically connected. In this embodiment, the left and right terminal blocks can respectively position the left terminal and the right terminal of the conductive terminal group in a clamping or clamping manner, to form a semi-finished electrical connector.

In step S3, an insulating housing is provided, and the insulating housing is made to position the middle terminal and the left and right terminal blocks of the terminal group respectively, and the two ends of each of the middle terminal, the left terminal and the right terminal are respectively extended in a predetermined direction to extend the insulating The shell body and the insulating shell are integrated with the middle terminal and the left and right terminal blocks through an embedded molding method to form a finished electrical connector. In this embodiment, the insulating shell also exposes a part of the left and right terminal blocks to provide electrical overlap. In addition, the insulating housing can respectively position the middle terminal and the left and right terminal blocks in a snap-fit assembly manner.

In summary, the electrical connector and its manufacturing method provided by the present invention can not only simplify the manufacturing process of the electrical connector, reduce mold costs and reduce manufacturing costs, but also can locate multiple grounding terminals by the terminal block , In order to reduce the chance of multiple ground terminals shifting, thereby improving the proper rate of electrical connectors. In addition, the aforementioned terminal block can also electrically connect a plurality of grounding terminals, so the electrical connector of the present invention can electrically connect a plurality of grounding terminals without a jumper to meet requirements.

The above-mentioned embodiments only exemplarily illustrate the principles and effects of the present invention, but are not used to limit the present invention. Anyone who is familiar with the technology can modify and change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be as listed in the scope of the patent application of the present invention.

1: Electrical connector

1’: Electrical connector set

11: Terminal group

111: Intermediate terminal

1111: The first connecting part

1112: The first welding department

112: Left terminal

1121: The second lead part

1122: The second welding part

1123: second card access area

113: Right terminal

1131: third lead

1132: The third welding part

1133: third card access area

12: Left and right terminal block

121: Left and right terminal block body

122: Intermediate terminal pass through

123: Left terminal positioning part

1231: Left-side terminal card connection structure

1232: Left terminal clamping structure

124: Right terminal positioning part

1241: Right-side terminal clamping structure

1242: Right terminal clamping structure

125: Lapping part of left and right terminal block

126: Insulating shell clamping structure

13: Insulating shell

131: Insulating shell body

132: Intermediate terminal positioning part

1321: Intermediate terminal clamping structure

133: Left and right terminal block positioning part

1331: Left and right terminal block clamping structure

134: Exposed structure of left and right terminal blocks

2: Circuit board

Figure 1 is a front perspective view of the electrical connector of the present invention.

Figure 2 is a perspective view of the back of the electrical connector of the present invention.

Fig. 3 is a perspective exploded schematic view of the electrical connector of the present invention.

Fig. 4 is a perspective exploded schematic view of the electrical connector of the present invention.

Fig. 5 is a schematic diagram of the front part of the semi-finished product of the electrical connector of the present invention.

Fig. 6 is a schematic diagram of the back part of the semi-finished electrical connector of the present invention.

Figure 7 is a schematic diagram of the combination of two electrical connectors of the present invention.

8 and 9 are respectively A-A cross-sectional view and B-B cross-sectional view of the electrical connector shown in FIG. 7.

Fig. 10 is a side view of the electrical connector of the present invention.

Figures 11 and 12 are the C-C cross-sectional view and D-D cross-sectional view of the electrical connector shown in Figure 10, respectively.

Fig. 13 is a schematic diagram of the combination of the two sets of electrical connectors in Fig. 7 connected to a circuit substrate.

Figure 14 is a flow chart of the manufacturing method of the electrical connector.

1: Electrical connector

11: Terminal group

111: Intermediate terminal

112: Left terminal

113: Right terminal

12: Left and right terminal block

125: Lapping part of left and right terminal block

13: Insulating shell

131: Insulating shell body

134: Exposed structure of left and right terminal blocks

Claims (10)

An electrical connector includes: a terminal set having at least one middle terminal, a left side terminal and a right side terminal; a left and right terminal seat, the left and right terminal seat having a left and right terminal seat body, at least one middle terminal The terminal piercing channel, a left terminal positioning part and a right terminal locating part, the middle terminal piercing channel is arranged on the left and right terminal base bodies to provide for piercing the middle terminal and make the middle terminal avoid the left and right terminal bases The main body, the left terminal positioning portion and the right terminal positioning portion are respectively disposed on the left and right terminal base bodies to respectively position the left terminal and the right terminal, so that the left terminal and the right terminal are respectively located on the left and right sides of the middle terminal And electrically connect the left terminal and the right terminal to form a semi-finished electrical connector; and an insulating housing having an insulating housing body, at least one intermediate terminal positioning portion, and a left and right terminal The seat positioning portion, the middle terminal positioning portion and the left and right terminal seat positioning portions are respectively provided on the insulating housing body, for positioning the middle terminal and the left and right terminal seats of the semi-finished electrical connector Both ends of the left terminal and the right terminal respectively extend in a predetermined direction to extend out of the insulating shell body to form the finished electrical connector, wherein the left and right terminal blocks are conductive plastic terminal blocks. The electrical connector described in item 1 of the scope of patent application, wherein the left and right terminal bases have a left and right terminal base overlapping portion, the insulating housing also has a left and right terminal base exposed structure, and the left and right terminal base exposed structures are provided In the insulating shell body, the overlapping parts of the left and right terminal blocks are exposed to provide electrical overlapping. For the electrical connector described in item 1 of the scope of patent application, the left terminal positioning portion and the right terminal positioning portion respectively have a left terminal clamping structure and a right terminal clamping structure, and the left terminal clamping structure The clamping structure with the right terminal is to respectively clamp the left terminal and the right terminal. As described in the first item of the scope of patent application, the electrical connector, wherein the left terminal positioning part and the right terminal positioning part respectively have a left terminal clamping structure and a right terminal clamping structure, and the left terminal clamping structure The clamping structure with the right terminal clamps the left terminal and the right terminal respectively. For the electrical connector described in item 1 of the scope of patent application, the middle terminal positioning portion and the left and right terminal seat positioning portions respectively have a middle terminal clamping structure and a left and right terminal block clamping structure, and the middle terminal card The connecting structure and the left and right terminal base clamping structure respectively clamp and position the middle terminal and the left and right terminal bases. According to the electrical connector described in item 1 of the scope of patent application, the left and right terminal blocks have an insulating housing clamping structure, and the insulating housing clamping structure is clamping the insulating housing. According to the electrical connector described in item 1 of the scope of patent application, the middle terminal is a signal terminal, and the left terminal and the right terminal are ground terminals. A method for manufacturing an electrical connector includes: providing a terminal set having at least one middle terminal, a left terminal and a right terminal; providing a left and right terminal block, so that the left and right terminal blocks respectively position the left and right terminals For the right terminal, the left terminal and the right terminal are respectively located at predetermined positions on both sides of the middle terminal, and the left terminal and the right terminal are electrically connected to form a semi-finished electrical connector; and an insulating housing is provided, Enabling the insulating shell to respectively position the intermediate terminal and the left and right terminal blocks of the semi-finished electrical connector, and making the two ends of the intermediate terminal, the left terminal and the right terminal extend in a predetermined direction to extend out of the insulating shell body, To form a finished product of an electrical connector, the insulating shell is integrated with the middle terminal and the left and right terminal bases through embedding molding, wherein the left and right terminal bases are a conductive plastic terminal base. The method for manufacturing an electrical connector as described in item 8 of the scope of patent application, wherein the insulating shell is exposed to parts of the left and right terminal blocks to provide electrical overlap. According to the manufacturing method of the electrical connector described in item 8 of the scope of patent application, wherein the left and right terminal blocks are respectively clamped or clamped to the left terminal and the right terminal, and the insulating shell is caused to clamp the intermediate terminal and the right terminal respectively. Left and right terminal blocks.

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