CN211126229U - Electric connector and electric connector combination - Google Patents

Abstract

The utility model provides an electrical connector and an electrical connector combination. The electrical connector includes a main body and a resistor, and the resistor is fixed to the main body through conductive glue or a limiting member. The main body includes an insulating body and a conductive terminal, and the conductive terminal includes a power terminal and a detection terminal. The resistor includes a first pin electrically connected to the power terminal and a second pin electrically connected to the signal terminal. In the electrical connector of the utility model, the main body can effectively fix the resistance through the conductive glue or the limiting component, so that the printed circuit board is omitted, which is beneficial to simplify the structure and reduce the manufacturing cost of the electrical connector.

Description

Electrical connector and electrical connector combination

technical field

The utility model relates to the field of electronics, in particular to an electrical connector and an electrical connector combination.

Background technique

As an important component for realizing electrical connection, electrical connectors are widely used in terminal equipment such as mobile phones and tablet computers as input/output interfaces. Taking a USB Type-C (USB Type-C) connector as an example, the existing USB Type-C male connector needs to be used with a printed circuit board, which is costly. In addition, the USB Type-C male connector also needs to be detected and identified through a resistor, and the resistor needs to be soldered to the circuit board or the USB Type-C male connector through a surface soldering process, which further increases the cost.

Utility model content

The utility model provides a low-cost electrical connector and an electrical connector combination.

The utility model provides an electrical connector, which comprises a main body and a resistor fixed on the main body, the resistor is fixed on the main body through conductive glue or a limiting component, the main body comprises an insulating body and a conductive terminal, the The conductive terminal includes a power terminal and a detection terminal; the resistor includes a first pin electrically connected with the power supply terminal and a second pin used for electrical connection with the signal terminal.

Further, the electrical connector includes conductive glue, the conductive glue includes a first conductive glue and a second conductive glue, the first conductive glue is electrically connected to the power terminal and the first pin, so The second conductive glue is electrically connected to the detection terminal and the second pin.

Further, the insulating body has an installation surface and an installation groove penetrating the installation surface, and the resistor is installed in the installation groove from the installation surface.

Further, the arrangement direction of the power terminal and the detection terminal is parallel to the mounting surface, the mounting groove extends from the mounting surface toward the conductive terminal, and the mounting groove is dimensioned in the extending direction gradually decreasing, the resistance is in interference fit with the mounting groove, and the limiting member includes the mounting groove.

Further, the arrangement direction of the power terminals and the detection terminals is perpendicular to the mounting surface, the insulating body includes a cantilever that presses against the resistor, and the limiting component includes the mounting groove and the mounting surface. The cantilever.

Further, the power terminal includes a first connecting portion, the detection terminal includes a second connecting portion, the insulating body includes a first limiting portion and a second limiting portion, the first connecting portion and the second connecting portion. , The first limiting portion and the second limiting portion surround the resistor and press against the resistor, and the limiting member includes the first connecting portion, the second connecting portion, the first limiting portion and the second limiting portion. Limiting part.

Further, the conductive terminal includes a signal terminal, the power terminal includes a first welding portion, the detection terminal includes a second welding portion, the signal terminal includes a third welding portion, and the first welding portion is connected to the first welding portion. The two welding parts are arranged adjacently.

Further, the first connecting portion extends downward from the first welding portion, the second connecting portion extends downward from the second welding portion, and the upper surface of the resistor is lower than the first welding portion part, the second welding part and the third welding part.

Further, the first pin is in contact with the power terminal, and the second pin is in contact with the detection terminal.

On the other hand, the present invention also provides an electrical connector assembly, which includes a cable and the aforementioned electrical connector, and the cable is welded to the electrical connector.

In the electrical connector of the utility model, the main body can effectively fix the resistance by the conductive glue or the limiting component, so that the printed circuit board is omitted, which is beneficial to simplify the structure and reduce the manufacturing cost of the electrical connector.

Description of drawings

FIG. 1 is a schematic perspective view of the first embodiment of the electrical connector of the present invention.

FIG. 2 is a schematic perspective view of the electrical connector shown in FIG. 1 , wherein the resistor is not shown.

FIG. 3 is a schematic structural diagram of the electrical connection between the resistor of the electrical connector shown in FIG. 1 and the power terminal and the detection terminal.

4 is a schematic perspective view of the second embodiment of the electrical connector of the present invention.

FIG. 5 is a schematic rear view of the electrical connector shown in FIG. 4 .

FIG. 6 is a schematic perspective view of the third embodiment of the electrical connector of the present invention.

FIG. 7 is a partial side view of the electrical connector shown in FIG. 6 .

FIG. 8 is a perspective view of the fourth embodiment of the electrical connector of the present invention.

FIG. 9 is a partial enlarged view of the electrical connector shown in FIG. 8 from a viewing angle.

FIG. 10 is a partial schematic view of the electrical connector shown in FIG. 8 from another perspective.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatuses consistent with some aspects of the invention as recited in the appended claims.

The terms used in the present invention are for the purpose of describing particular embodiments only, and are not intended to limit the present invention. Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by those with ordinary skill in the art to which the present invention belongs. The "first", "second" and similar words used in the description of the present invention and the claims do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, "a" or "an" and the like do not denote a quantitative limitation, but rather denote the presence of at least one. "Plural" or "several" means two or more. Unless otherwise indicated, terms such as "front," "rear," "lower," and/or "upper" are for convenience of description and are not limited to one location or one spatial orientation. Words like "include" or "include" mean that the elements or items appearing before "including" or "including" cover the elements or items listed after "including" or "including" and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

Referring to FIGS. 1 to 10 , the present invention provides an electrical connector and an electrical connector combination. The electrical connector includes a main body and a resistor mounted on the main body. The resistor is fixed on the a main body, the main body includes an insulating body and a conductive terminal, the conductive terminal includes a power supply terminal and a detection terminal; the resistor includes a first pin electrically connected to the power supply terminal and a second pin electrically connected to the signal terminal Two pins. In the electrical connector of the utility model, the main body can effectively fix the resistance by the conductive glue or the limiting component, so that the printed circuit board is omitted, which is beneficial to simplify the structure and reduce the manufacturing cost of the electrical connector.

Please refer to FIG. 1 to FIG. 2. In the first embodiment, the electrical connector is, for example, a USB Type-C connector, which includes a main body and a resistor 4 mounted on the main body. The resistor is fixed to the main body through conductive glue or a limiting member the subject. The main body includes an insulating body 1, a plurality of conductive terminals 2 mounted on the insulating body 1, and a metal shell 3. The insulating body 1 is used to hold the conductive terminals 2 and maintain electrical insulation between the conductive terminals 2. The metal The housing 3 is used for shielding external electromagnetic interference, so as to improve the signal transmission quality of the electrical connector.

The conductive terminal 2 includes a power terminal 21 , a detection terminal 22 , a signal terminal 23 and a ground terminal 24 arranged along the lateral direction of the insulating body 1 . The power terminal 21 is used for transmitting power signals, and the detection terminal 22 is used for To achieve the functions of detecting positive and negative insertion and identifying cables, the signal terminal 23 is used for transmitting differential signals, and the ground terminal 24 is used for grounding.

The power terminal 21 includes a first contact portion (not shown) and a first welding portion 211 connected to the first contact portion. The detection terminal 22 includes a second contact portion (not shown) and a second contact portion (not shown). The signal terminal 23 includes a third contact portion (not shown) and a third welding portion 231 connected to the third contact portion, and the ground terminal 24 includes a fourth contact portion (not shown). ) and the fourth welding portion 241 connected to the fourth contact portion. The first welding part 211 , the second welding part 221 , the third welding part 231 and the fourth welding part 241 are arranged in sequence along the lateral direction of the insulating body 1 , that is to say, the first welding part 211 and the second welding part 221 adjacent settings. The contact part of the conductive terminal 2 is used for mating with the female electrical connector, and the welding part of the conductive terminal 2 is used for fixed connection with the cable, for example, by welding or pressure riveting connection.

In this embodiment, the electrical connector further includes a conductive glue 5, and the conductive glue 5 is used to connect the resistor 4 and the main body. Optionally, the conductive adhesive 5 includes a first conductive adhesive 51 disposed on the first welding portion 211 of the power terminal 21 and a second conductive adhesive 52 disposed on the second welding portion 221 of the detection terminal 22 . The resistor 4 is placed on the conductive glue 5 . Referring to FIG. 3 , the resistor 4 includes a first pin 41 and a second pin 42 . When the resistor 4 is placed on the conductive adhesive 5 , the first pin 41 is in contact with the first conductive adhesive 51 , and the second pin is in contact with the first conductive adhesive 51 . The feet 42 are in contact with the second conductive glue 52 . After placing the resistor, the first conductive adhesive 51 and the second conductive adhesive 52 are cured, so as to realize the mechanical connection between the resistor 4 and the main body, and at the same time realize the electrical connection between the resistor 4 and the power terminal 21 and the detection terminal 22, which saves the time of the printed circuit board. In addition to the cost of components, there is no need for surface welding, which greatly reduces the manufacturing cost of the electrical connector. The colloid can be selected from isotropic conductive adhesives (ICAs, Isotropic Conductive Adhesives) or anisotropic conductive adhesives (ACAs, Anisotropic Conductive Adhesives). The curing method can be selected by UV curing or at room temperature.

In other embodiments, the conductive adhesive 5 may also be a non-conductive adhesive, so that the first pins 41 protrude from the adhesive to contact the first welding portion 211 , and the second pins 42 protrude from the adhesive to contact the first welding portion 211 . Contact with the second welding portion 221 . Since the first welding part 211 of the power terminal 21 is disposed adjacent to the second welding part 221 of the detection terminal 22, the welding process of the cable and the welding part can be used to simultaneously perform the welding of the first pin and the second pin of the resistor. Soldering, that is, using the solder when the first welding part 211 and the second welding part 221 are welded to the cable, the first pin 41 and the second pin 42 can be fixedly connected to the first welding part 211 and the second welding part respectively. 221.

Please refer to FIG. 4 and FIG. 5 , the insulating body 1 has a mounting surface 100 and a mounting groove 101 penetrating the mounting surface 100 , and the arrangement direction of the power terminals 21 and the detection terminals 22 is parallel to the mounting direction. In this embodiment, the mounting surface 100 is the upper surface, the mounting groove 101 extends from the mounting surface 100 toward the conductive terminal 2, and the size of the mounting groove 101 gradually decreases in the extending direction. Dimensions can be understood as cross-sectional area. The resistor 4 is installed in the installation groove 101 from the installation surface 100 , and has an interference fit with the installation groove 101 . The installation groove 101 is used as a limiting member or a part of the limiting member. At the same time, the first pin 41 is in contact with the first welding portion 211 of the power terminal 21 , the second pin 42 is in contact with the second welding portion 221 of the detection terminal 22 , and the first pin 41 and The second pin 42 is not shown. Since the first welding part 211 of the power terminal 21 is disposed adjacent to the second welding part 221 of the detection terminal 22, the welding process of the cable and the welding part can be used to simultaneously perform the welding of the first pin and the second pin of the resistor. welding. While saving the component cost of the printed circuit board, surface soldering is also unnecessary, which greatly reduces the manufacturing cost of the electrical connector.

Other structures of the electrical connector shown in FIG. 4 and FIG. 5 are similar to the embodiment shown in FIG. 1 and will not be described again.

Please refer to FIG. 6 and FIG. 7 , the insulating body 1 has a mounting surface 102 and a mounting groove 103 penetrating the mounting surface 102 , the mounting surface 102 is perpendicular to the arrangement direction of the power terminals 21 and the detection terminals 22 , and the mounting groove 103 It extends from the mounting surface 102 to the contact portion of the conductive terminal 2 . The insulating body 1 includes a cantilever 11 that presses against the resistor 4. Optionally, the cantilever 11 extends obliquely downward to stably hold the resistor 4. The mounting slot 103 and the cantilever 11 serve as a limiting member or a part of the limiting member. . At the same time, the first pin 41 is in contact with the first welding portion 211 of the power terminal 21 , the second pin 42 is in contact with the second welding portion 221 of the detection terminal 22 , and the first pin 41 and The second pin 42 is not shown. Since the first welding part 211 of the power terminal 21 and the second welding part 221 of the detecting terminal 22 are disposed adjacent to each other, the resistance welding can be performed simultaneously with the welding process of the cable and the welding part, which saves the cost of the components of the printed circuit board. At the same time, there is no need for surface welding, which greatly reduces the manufacturing cost of the electrical connector.

Other structures of the electrical connector shown in FIG. 6 and FIG. 7 are similar to the embodiment shown in FIG. 1 and will not be described again.

Please refer to FIG. 8 to FIG. 10 , the insulating body 1 includes a first limiting portion 12 and a second limiting portion 13 at the rear end thereof, and the power terminal 21 includes a first connecting portion 212 connected to the first welding portion 211 . The detection terminal 22 includes a second connecting portion 222 connected to the second welding portion 221 , the first connecting portion 212 , the second connecting portion 222 , the first limiting portion 12 and the second limiting portion 13 surround the resistor 4 is pressed against the resistance 4 to limit the resistance in the circumferential direction, thereby maintaining the resistance stably. The first connecting portion 212 , the second connecting portion 222 , the first limiting portion 12 and the second limiting portion 13 serve as a limiting member or a part of the limiting member.

Optionally, the first connecting portion 212 extends downward from the first welding portion 211 , and the second connecting portion 222 extends downward from the second welding portion 221 . Referring to FIG. 10 , the upper surface of the resistor 4 is lower than the first welding part 211 and the second welding part 221 , and is also lower than the third welding part 231 of the signal terminal 23 and the fourth welding part of the ground terminal 24 . 241. When the electrical connector is welded to the cable, the resistor 4 will not affect the placement of the cable, and the solder also easily flows to the first pin 41 and the second pin 42 of the resistor, so that the first pin 41 and the power terminal 21 are connected. For electrical connection, the second pin 42 is electrically connected to the detection terminal 22 . Since the first welding part 211 of the power terminal 21 and the second welding part 221 of the detecting terminal 22 are disposed adjacent to each other, the resistance welding can be performed simultaneously with the welding process of the cable and the welding part, which saves the cost of the components of the printed circuit board. At the same time, there is no need for surface welding, which greatly reduces the manufacturing cost of the electrical connector.

Other structures of the electrical connector shown in FIG. 8 to FIG. 10 are similar to the embodiment shown in FIG. 1 and will not be described again.

On the other hand, the present invention also provides an electrical connector assembly, which includes a cable and the electrical connector according to any one of the foregoing embodiments, wherein the cable is welded to the electrical connector. Optionally, the cable includes a plurality of sub-cables, and the sub-cables are respectively welded to the first welding portion 211 , the second welding portion 221 , the third welding portion 231 and the fourth welding portion 241 .

In the electrical connector of the utility model, the main body is effectively fixed to the resistance by the conductive glue or the main body of the limiting component, the printed circuit board is omitted, the structure is simplified, and the manufacturing cost of the electrical connector is reduced.

The above descriptions are only the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed in the preferred embodiments as described above, it is not intended to limit the present invention. Those skilled in the art, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above, provided that the technical contents of the present invention are not deviated from the technical solutions of the present invention. The content of the solution, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (10)

1. An electrical connector, characterized in that it comprises: The main body includes an insulating body and a conductive terminal, and the conductive terminal includes a power terminal and a detection terminal; The resistor is fixed on the main body through conductive glue or a limiting member, and the resistor includes a first pin electrically connected with the power terminal and a second pin used for electrical connection with the signal terminal. 2 . The electrical connector according to claim 1 , wherein the electrical connector comprises a conductive glue, the conductive glue comprises a first conductive glue and a second conductive glue, and the first conductive glue is electrically connected. 3 . Between the power terminal and the first pin, the second conductive glue is electrically connected to the detection terminal and the second pin. 3 . The electrical connector according to claim 1 , wherein the insulating body has an installation surface and an installation groove penetrating the installation surface, and the resistor is installed in the installation groove from the installation surface. 4 . 4 . The electrical connector of claim 3 , wherein an arrangement direction of the power terminals and the detection terminals is parallel to the mounting surface, and the mounting groove faces the mounting surface from the mounting surface. 5 . The conductive terminal is extended, and the size of the mounting groove is gradually reduced in the extending direction, the resistor is in an interference fit with the mounting groove, and the limiting component includes the mounting groove. 5 . The electrical connector according to claim 3 , wherein an arrangement direction of the power terminals and the detection terminals is perpendicular to the mounting surface, and the insulating body comprises a A cantilever, the limiting member includes the installation groove and the cantilever. 6 . The electrical connector according to claim 1 , wherein the power terminal includes a first connecting portion, the detecting terminal includes a second connecting portion, and the insulating body includes a first limiting portion and a second connecting portion. 7 . Two limiting parts, the first connecting part, the second connecting part, the first limiting part and the second limiting part surround the resistor and press against the resistor, and the limiting part includes the first connecting part , a second connecting portion, a first limiting portion and a second limiting portion. 7 . The electrical connector according to claim 6 , wherein the conductive terminal comprises a signal terminal, the power terminal comprises a first welding part, the detection terminal comprises a second welding part, and the signal terminal A third welding part is included, and the first welding part is arranged adjacent to the second welding part. 8 . The electrical connector of claim 7 , wherein the first connecting portion extends downward from the first welding portion, and the second connecting portion extends downward from the second welding portion 8 . , the upper surface of the resistor is lower than the first welding part, the second welding part and the third welding part. 9 . The electrical connector according to claim 3 , wherein the first pin is in contact with the power terminal, and the second pin is in contact with the detection terminal. 10 . 10. An electrical connector assembly, characterized in that it comprises a cable and the electrical connector according to any one of claims 1 to 9, wherein the cable is welded to the electrical connector.

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