This patent application claims priority of a Chinese Patent Application No. 202211360617.5, filed on Nov. 2, 2022 and titled “ELECTRICAL CONNECTOR”, the entire content of which is incorporated herein by reference.
The present disclosure relates to an electrical connector, which belongs to a technical field of connectors.
With the increasing requirements of the electrical connector for data transmission quality, how to reduce the interference problem of conductive terminals in the process of data transmission is a technical problem to be solved by those of ordinary skill in the art. In order to solve the above problem, the electrical connector in the relevant technology is also provided with a grounding piece which has a plurality of ground terminals. However, this design leads to a more complicated structure of the grounding piece and is not easy to manufacture.
An object of the present disclosure is to provide an electrical connector with simple structure and shielding performance.
In order to achieve the above object, the present disclosure adopts the following technical solution: an electrical connector, including: an insulating body, the insulating body including a mating surface, a mounting surface opposite the mating surface, a mating slot extending through the mating surface, and a mounting space extending through the mounting surface; the mounting space being in communication with the mating slot; a first terminal module, the first terminal module including a first insulating block and a plurality of first conductive terminals, each first conductive terminal including a first fixing portion fixed to the first insulating block, a first resilient arm extending from the first fixing portion, and a first tail portion; the first resilient arm being provided with a first contact portion extending into the mating slot; a second terminal module, the second terminal module including a second insulating block and a plurality of second conductive terminals, each second conductive terminal including a second fixing portion fixed to the second insulating block, a second resilient arm extending from the second fixing portion, and a second tail portion, the second resilient arm being provided with a second contact portion extending into the mating slot, the first contact portions of the first conductive terminals and the second contact portions of the second conductive terminals being located on opposite sides of the mating slot, respectively; and a grounding piece, the grounding piece including a body portion and a plurality of grounding tabs connected to the body portion, the plurality of grounding tabs including a first grounding tab and a second grounding tab; wherein the first tail portions of the plurality of first conductive terminals and the second tail portions of the plurality of second conductive terminals are located on a same side and arranged in a row in a first direction; the plurality of first conductive terminals include a first ground terminal; the plurality of second conductive terminals include a second ground terminal; the first grounding tab is stacked at least partially on the first tail portion of the first ground terminal and is in contact with the first tail portion of the first ground terminal; and the second grounding tab is stacked at least partially on the second tail portion of the second ground terminal and is in contact with the second tail portion of the second ground terminal.
In order to achieve the above object, the present disclosure adopts the following technical solution: an electrical connector, including: an insulating body including a mating surface and a mating slot extending through the mating surface; a first terminal module including a plurality of first conductive terminals, each first conductive terminal including a first resilient arm and a first tail portion, the first resilient arm being provided with a first contact portion extending into the mating slot; a second terminal module including a plurality of second conductive terminals, each second conductive terminal including a second resilient arm and a second tail portion, the second resilient arm being provided with a second contact portion extending into the mating slot, the first contact portions of the first conductive terminals and the second contact portions of the second conductive terminals being located on opposite sides of the mating slot, respectively; a grounding piece including a body portion and a plurality of grounding tabs connected to the body portion, the plurality of grounding tabs including a first grounding tab and a second grounding tab; and a plurality of cables, part of the plurality of cables being connected to part of the first tail portions of the first conductive terminals, and another part of the plurality of cables are connected to part of the second tail portions of the second conductive terminals; the plurality of cables including a ground cable connected to the body portion; wherein the first tail portions of the plurality of first conductive terminals and the second tail portions of the plurality of second conductive terminals are located on a same side and arranged in a row in a first direction; the plurality of first conductive terminals include a first ground terminal; the plurality of second conductive terminals include a second ground terminal; the first grounding tab is stacked at least partially on the first tail portion of the first ground terminal and is in contact with the first tail portion of the first ground terminal; and the second grounding tab is stacked at least partially on the second tail portion of the second ground terminal and is in contact with the second tail portion of the second ground terminal.
Compared to the prior art, the present disclosure includes the plurality of first conductive terminals having the first ground terminal and the plurality of second conductive terminals having the second ground terminal. The grounding piece includes the first grounding tab and the second grounding tab. By making the first grounding tab and the second grounding tab contact the first tail portion of the first ground terminal and the second tail portion of the second ground terminal, respectively, it simplifies the structure of the grounding piece and also enables a shielding function.
Exemplary embodiments will be described in detail here, examples of which are shown in drawings. When referring to the drawings below, unless otherwise indicated, same numerals in different drawings represent the same or similar elements. The examples described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of devices and methods consistent with some aspects of the application as detailed in the appended claims.
The terminology used in this application is only for the purpose of describing particular embodiments, and is not intended to limit this application. The singular forms “a”, “said”, and “the” used in this application and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings.
It should be understood that the terms “first”, “second” and similar words used in the specification and claims of this application do not represent any order, quantity or importance, but are only used to distinguish different components. Similarly, “an” or “a” and other similar words do not mean a quantity limit, but mean that there is at least one; “multiple” or “a plurality of” means two or more than two. Unless otherwise noted, “front”, “rear”, “lower” and/or “upper” and similar words are for ease of description only and are not limited to one location or one spatial orientation. Similar words such as “include” or “comprise” mean that elements or objects appear before “include” or “comprise” cover elements or objects listed after “include” or “comprise” and their equivalents, and do not exclude other elements or objects. The term “a plurality of” mentioned in the present disclosure includes two or more.
Hereinafter, some embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
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The second metal shell 3b includes a sleeve section 34. The sleeve section 34 is sleeved to the holding portion 33 of the first metal shell 3a.
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The first terminal module 4 includes a first insulating block 41 and a plurality of first conductive terminals 42 fixed to the first insulating block 41. In the illustrated embodiment of the present disclosure, the plurality of first conductive terminals 42 are insert-molded with the first insulating block 41. Of course, in other embodiments, the plurality of first conductive terminals 42 may also be fixed to the first insulating block 41 by assembling.
Similarly, the second terminal module 5 includes a second insulating block 51 and a plurality of second conductive terminals 52 fixed to the second insulating block 51. In the illustrated embodiment of the present disclosure, the plurality of second conductive terminals 52 are insert-molded with the second insulating block 51. Of course, in other embodiments, the plurality of second conductive terminals 52 may also be fixed to the second insulating block 51 by assembling.
The first insulating block 41 includes a first base portion 411 and a first protruding portion 412 extending forwardly from the first base portion 411. The first protruding portion 412 is provided with a plurality of positioning posts 413. The first base portion 411 is provided with a boss 414. The boss 414 includes an assembly surface 4141, a plurality of receiving grooves 4142 recessed downwardly from the assembly surface 4141, and a recess 4143 recessed downwardly from the assembly surface 4141. The recess 4143 is located at the outermost side of the plurality of receiving grooves 4142.
The first base portion 411 includes a first locking protrusion 4110 locked in the first locking hole 3321. In addition, the first base portion 411 also includes a first side wall surface 4111, a second side wall surface 4112 opposite to the first side wall surface 4111, a first installation groove 4113 recessed downwardly from the assembly surface 4141 and partly extending through the first side wall surface 4111 to one side, and a second installation groove 4114 recessed downwardly from the assembly surface 4141 and partly extending through the second side wall surface 4112 to the other side.
Each first conductive terminal 42 is provided with a first fixing portion 423 fixed in the first insulating block 41, a first resilient arm 421 extending forwardly from a front end of the first fixing portion 423, a first bent portion 424 bent upwardly from a rear end of the first fixing portion 423, and a first tail portion 422 extending backwardly from the first bent portion 424. The first resilient arm 421 extends forwardly beyond the first insulating block 41. The first resilient arm 421 is cantilevered and extends into the mating slot 110. The first resilient arm 421 is provided with a first contact portion 4211 for electrically mating with the mating connector. A plane in which the first tail portion 422 is located is higher than a plane in which the first fixing portion 423 is located. This design facilitates better exposure of the first tail portions 422 to the assembly surface 4141.
The second insulating block 51 includes a second base portion 511 and a second protruding portion 512 extending forwardly from the second base portion 511. The second protruding portion 512 is provided with a plurality of positioning holes 513 for receiving the positioning posts 413. The second base portion 511 includes a second locking protrusion 5110 locked in the second locking hole 3311. The second locking protrusion 512 further includes a locking projection 5121 locked in the locking opening 15 of the insulating body 1.
Each second conductive terminal 52 is provided with a second fixing portion 523 fixed in the second insulating block 51, a second resilient arm 521 extending forwardly from a front end of the second fixing portion 523, a second bent portion 524 bent downwardly from a rear end of the second fixing portion 523, and a second tail portion 522 extending backwardly from the second bent portion 524. The second resilient arm 521 extends beyond the second insulating block 51. The second resilient arm 521 is cantilevered and extends into the mating slot 110. The second resilient arm 521 is provided with a second contact portion 5211 for electrically mating with the mating connector. A plane in which the second tail portion 522 is located is lower than a plane in which the second fixing portion 523 is located. This design facilitates better installation of the second tail portions 522 in the receiving grooves 4142 of the first insulating block 41.
The first contact portions 4211 and the second contact portions 5211 extend toward the middle. That is, the first contact portions 4211 protrude toward the second contact portions 5211, and the second contact portions 5211 protrude toward the first contact portions 4211. With such arrangement, the first contact portions 4211 and the second contact portions 5211 can jointly clamp a tongue plate of the mating connector (not shown). The second tail portions 522 extend backwardly beyond the second insulating block 51. In the embodiment illustrated in the present disclosure, each of the first tail portions 422 of the first conductive terminals 42 and the second tail portions 522 of the second conductive terminals 52 is in a shape of a flat plate. The first tail portions 422 of the first conductive terminals 42 and the second tail portions 522 of the second conductive terminals 52 are located on the same side. In the embodiment illustrated in the present disclosure, the first tail portions 422 of the first conductive terminals 42 and the second tail portions 522 of the second conductive terminals 52 are exposed to the assembly surface 4141 so as to facilitate fixing to corresponding cables 200 by soldering or welding.
The first tail portions 422 of the first conductive terminals 42 and the second tail portions 522 of the second conductive terminals 52 are arranged in a row along a first direction A1.
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The grounding piece 6 includes a first fixing tab 6312 extending downwardly from the first spring arm 631 and a second fixing tab 6322 extending downwardly from the second spring arm 632. The first fixing tab 6312 and the second fixing tab 6322 are inserted in and fixed to the first insulating block 41. The body portion 61 is abutted against a rear end of the boss 414.
The grounding piece 6 further includes a plurality of third fixing tabs 611 bent from the body portion 61. The third fixing tabs 611 are inserted in and fixed to the first insulating block 41. Preferably, the first fixing tab 6312, the second fixing tab 6322 and the third fixing tabs 611 are provided with a plurality of barbs so as to improve the fixing effect with the first insulating block 41.
The plurality of grounding tabs 62 include a plurality of first grounding tabs 621 and a plurality of second grounding tabs 622. The grounding piece 6 further includes a back-up grounding tab 623 extending forwardly from the body portion 61. The back-up grounding tab 623 is received in the recess 4143 of the first insulating block 41. When the cables 200 are provided with a grounding cable 208 corresponding to the back-up grounding tab 623 (as shown in
In the embodiment illustrated in the present disclosure, when the grounding piece 6 is fixed to the first insulating block 41, the first grounding tabs 621 are stacked at least partially on and in contact with the first tail portions 422 of the first ground terminals G1, and the second grounding tabs 622 are stacked at least partially on and in contact with the second tail portions 522 of the second ground terminals G2. With such arrangement, the grounding piece 6, the first ground terminals G1, the second ground terminals G2 and the metal shell 3 are connected together, thereby increasing the grounding area and improving the shielding effect.
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The second grounding tab 622 includes a second root portion 6221 connected to the body portion 61, a second inclined portion 6222 connected to the second root portion 6221, and a second extension portion 6223 connected to the second inclined portion 6222. The second extension portion 6223 is in contact with a corresponding second tail portion 522 of the second ground terminal G2. Specifically, the second tail portion 522 of the second ground terminal G2 includes a second plane 5221. The second grounding tab 622 includes a second abutting plane 6224 in contact with the second plane 5221. Preferably, the second grounding tab 622 is fixed to the second tail portion 522 of the second ground terminal G2 by soldering or welding.
The first insulating block 41 and the second insulating block 51 are provided with mating buckling structures. In the illustrated embodiment of the present disclosure, the buckling structures include but not limited to the positioning posts 413 and the positioning holes 513.
In an embodiment of the present disclosure, the first tail portion 422 of the first signal terminal is configured to be soldered or welded to a first signal cable 201; and the second tail portion 522 of the second signal terminal is configured to be soldered or welded to a second signal cable 202. The first tail portion 422 of the first ground terminal G1 and the second tail portion 522 of the second ground terminal G2 are configured to be soldered or welded to a ground cable 203. The cables 200 include the first signal cable 201, the second signal cable 202 and the ground cable 203.
Compared to the prior art, the present disclosure includes the plurality of first conductive terminals 42 having the first ground terminal G1 and the plurality of second conductive terminals 52 having the second ground terminal G2. The grounding piece 6 includes the first grounding tab 621 and the second grounding tab 622. By making the first grounding tab 621 and the second grounding tab 622 contact the first tail portion 422 of the first ground terminal G1 and the second tail portion 522 of the second ground terminal G2, respectively, it simplifies the structure of the grounding piece 6 and also enables a shielding function.
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When the plurality of cables 200 are connected to the electrical connector 100, the inner conductors 204 of the cables 200 are fixedly connected to the first tail portions 422 of the corresponding first conductive terminals 42 and the second tail portions 522 of the corresponding second conductive terminals 52, through soldering or welding for example, to achieve electrical connection. The shielding layer 206 is connected to the grounding piece 6 through soldering or welding for example, thereby increasing the shielding area and improving the shielding effect. When the cables 200 adopts coaxial cables of the present disclosure, the cables 200 can be directly soldered or welded to the electrical connector 100, which simplifies the process and reduces the cost.
The above embodiments are only used to illustrate the present disclosure and not to limit the technical solutions described in the present disclosure. The understanding of this specification should be based on those skilled in the art. Descriptions of directions, although they have been described in detail in the above-mentioned embodiments of the present disclosure, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the application, and all technical solutions and improvements that do not depart from the spirit and scope of the application should be covered by the claims of the application.
Number | Date | Country | Kind |
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202211360617.5 | Nov 2022 | CN | national |