TWM516257U - Electrical connector with grounding structure - Google Patents

Description

Electrical connector with grounding structure

The present invention relates to an electrical connector, and more particularly to an electrical connector having a grounding structure that uses a conductive terminal, a shielded housing, and a resilient hook to form a ground path.

With the development of the computer and peripheral equipment industry, the Universal Serial Bus (USB) has become one of the important interfaces for communication and data transmission between computers and peripheral devices, and has evolved from USB2.0 transmission specifications to today's transmission. Faster USB 3.0 transfer specification. In order to meet the requirements of thinning and high-speed electrical connector plugs, high-frequency signal interference and electromagnetic interference (EMI) are more likely to occur between the terminals of the electrical connector plugs and the plug connectors of the electrical connectors. The problem of Radio Frequency Interference (RFI), which in turn affects the high-frequency transmission performance or high-speed transmission performance between the USB plug electrical connector plug and the socket electrical connector plug.

In particular, the existing USB socket and USB plug respectively transmit noise to the outside by their respective structures to solve the problem of complicated signal interference. However, the existing grounding method has been unable to meet the market demand under the demand of thinning and high speed. Therefore, how to design a USB plug can simultaneously meet the demand for thinning and high speed of the electrical connector plug, thereby reducing the high frequency signal interference and electromagnetic interference caused by the thinning and high speed, which has become one of the important research topics in the industry.

The purpose of the present invention is to provide an electrical connector having a grounding structure in which a shield case, a conductive terminal and an elastic hook can form a ground path.

To achieve the above objective, the present invention provides an electrical connector having a ground structure, including a shielded housing, an insulative housing, a plurality of conductive terminals, and two elastic hooks. The shielding shell has an accommodating space. The insulating body is received in the accommodating space and is provided with a plurality of slots and two card slots on both sides of the insulating body. Each of the conductive terminals is inserted into each slot, and each of the conductive terminals includes two grounding terminals and a connecting portion connecting the grounding terminals, wherein the connecting portion spans the slots. Each of the elastic hooks is disposed in each of the card slots, and each of the elastic hooks has a positioning protrusion and an extending arm extending from the positioning protrusion, wherein one side of the positioning protrusion is in contact with the shielding shell, and the connecting portion and the shielding shell are The inner wall resists to form a ground.

The creation also has the following effects: the electrical connector of the present invention maintains a good grounding path through the grounding terminals or the elastic hooks and the shielding case, whether or not the connector is not connected to or with the mating connector, so that when both When plugged in, it will help high frequency characteristics in Cross-Talk, Insertion Loss, Return Loss, while reducing Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI). And other issues.

The detailed description and technical content of the present invention are described below with reference to the drawings, but the drawings are only for reference and explanation, and are not intended to limit the creation.

As shown in FIG. 1 and FIG. 7 , the present invention provides an electrical connector 100 having a grounding structure, including a shielded housing 110 , an insulative housing 200 , a plurality of conductive terminals 300 , and two elastic hooks 500 . The electrical connector 100 is preferably a USB plug. However, in other embodiments, the electrical connector 100 can also be a USB socket, which is not limited. Moreover, the material of the shield case 110, each of the conductive terminals 300, and each of the elastic hooks 500 is preferably a metal having good conductivity or an alloy thereof. The insulative housing 200 is a plastic or other suitable material that is excellent in insulation.

As shown in FIG. 1 to FIG. 4 , the shielding shell 110 has an accommodating space 120 . The insulative housing 200 is received in the accommodating space 120 and is provided with a plurality of slots 210, two card slots 220 on both sides of the insulative housing 200, and a slot 230 connecting the slots 210 and the card slots 220. In this embodiment, the shielding housing 110 further has a first housing 130 and a second housing 140 connected to each other, wherein the second housing 140 has a larger size than the first housing 130. The insulative housing 200 also has a first body 240 and a second body 250 connected to each other, wherein the second body 250 is also larger in size than the first body 240. The first body 240 is received in the first housing 130 , and the second body 250 is received in the second housing 140 .

Each of the conductive terminals 300 is inserted into and fixed to each of the slots 210. Each of the conductive terminals 300 includes two grounding terminals 350 and a connecting portion 360 connecting the grounding terminals 350. The connecting portion 360 connects the two grounding terminals across the slots 210. 350. In the embodiment shown in FIG. 1 and FIG. 2 , each of the conductive terminals 300 (including each ground terminal 350 ) further has a holding portion 310 , a body portion 320 and a clamping arm 330 , and the holding portion 310 and the clamping arm 330 is connected to both ends of the body portion 320, respectively. The clamping arm 330 further includes two insertion portions 332 and a contact portion 334 disposed at the end of each of the insertion portions 332. The contact portions 334 are disposed corresponding to each other to electrically contact the conductive pads 40 of the docking connector 10 (eg, Figure 7)).

In addition, a portion of the holding portion 310 is also bent with a pad portion 340 for soldering with a plurality of cables (not shown). The conductive terminal 300 of the present embodiment preferably includes five, wherein the two ground terminals 350 are negative electrodes, and the other three can be used as signals or power terminals, wherein the power terminals can be used as positive electrodes. In another preferred embodiment, more than five conductive terminals 300 may be included, and the number and use thereof are not limited.

Each of the elastic hooks 500 is disposed in each of the card slots 220. Each of the elastic hooks 500 has a positioning protrusion 510 and an extending arm 530 extending from the positioning protrusion 510. The extension arm 530 is extendably disposed in the slot 230, wherein one side of the positioning protrusion 510 is further in contact with the shielding case 110, and the connecting portion 360 is in contact with the inner wall of the shielding case 110 to form a ground. Further, in this embodiment, each ground terminal 350 and each elastic hook 500 are in contact with the shield case 110 to form electrical conduction and serve as a medium for noise transmission.

It should be noted that one side of the connecting portion 360 is further bent with a resilient piece 362 to keep in contact with the shielding case 110 from time to time. In addition, the positioning bump 510 further has a bump 512 that is in contact with the shield case 110, and is also easily interfered with the shield case 110 to form a ground.

As shown in FIG. 5 and FIG. 6 , each of the elastic hooks 500 further has a fastening portion 520 , and the positioning protrusion 510 and the extension arm 530 are respectively connected to the two ends of the fastening portion 520 . The fastening portion 520 further includes a recess 522. The insulative housing 200 includes a positioning block 260. The recess 522 can be engaged with the positioning block 260 to position the elastic hooks 500 more stably on the insulative housing 200. In addition, the end of the extension arm 530 further has a contact portion 540 for engaging with the plug-in board 30 of the mating connector 10 (as shown in FIG. 7).

Each of the positioning bumps 510 is disposed adjacent to each of the grounding terminals 350, and each of the positioning bumps 510 further forms a gap D between the grounding terminals 350. Referring to FIG. 7 at the same time, when the present electrical connector 100 is mated with the docking connector 10, each of the extension arms 530 is offset by the plug-in board 30 of the docking connector 10, and the positioning bump 510 is biased toward The gap D is displaced out of contact with the shield case 110. At this time, the positioning bumps 510 of the elastic hooks 500 are in contact with the grounding terminals 350, and are electrically connected to the inner wall of the shielding case 110 through the connecting portion 360 or the elastic piece 362 thereof to maintain a good grounding path at any time.

Therefore, when the electrical connector 100 of the present invention is not connected to the docking connector 10 or the mating connector 10, the grounding path is maintained through the grounding terminal 350 or the elastic hooks 500 and the shielding housing 110, so that when the two are plugged in, It will help high frequency characteristics in the role of Cross-Talk, Insertion Loss, and Return Loss, while reducing electromagnetic interference (EMI) and radio frequency interference (RFI).

The following is a brief description of the assembly process of the present invention. When the conductive terminals 300 are inserted into the slots 210 of the insulative housing 200 and the elastic hooks 500 are mounted on the slots 220, the first body 240 of the insulative housing 200 The accommodating space 120 is assembled in the direction of the second housing 140 of the shield case 110. At this time, the shielding case 110 covers the elastic hooks 500 in the accommodating space 120, thus completing the assembly step of the present electrical connector 100.

In summary, the embodiments disclosed herein are to be considered as illustrative of the present invention and are not intended to limit the present invention. The scope of this creation is defined by the scope of the appended patent application and covers its legal equivalents and is not limited to the foregoing description.

10‧‧‧Docking connector

30‧‧‧ 插插板

40‧‧‧Electrical mat

100‧‧‧Electrical connector

110‧‧‧Shield housing

120‧‧‧ accommodating space

130‧‧‧First housing

140‧‧‧Second housing

200‧‧‧Insulated body

210‧‧‧ slot

220‧‧‧ card slot

230‧‧‧ slots

240‧‧‧First Ontology

250‧‧‧Second ontology

260‧‧‧ positioning block

300‧‧‧Electrical terminals

310‧‧‧ Holding Department

320‧‧‧ Body Department

330‧‧‧Clamping arm

332‧‧‧Interface

334‧‧‧Contacts

340‧‧‧ solder pad

350‧‧‧ Grounding terminal

360‧‧‧Connecting Department

362‧‧‧Shrap

500‧‧‧Flexible hook

510‧‧‧ positioning bumps

512‧‧‧ bumps

520‧‧‧Card Department

522‧‧‧ Groove

530‧‧‧Extension arm

540‧‧‧Contacts

D‧‧‧ gap

FIG. 1 is an exploded perspective view showing the electrical connector of the present invention.

FIG. 2 is a perspective view showing the connection of the two grounding terminals of the present invention by a connecting portion.

FIG. 3 is a perspective assembled view of the present electrical connector.

4 is another perspective view of the present electrical connector.

Figure 5 is a cross-sectional view showing the present electrical connector.

Figure 6 is another cross-sectional view showing the present electrical connector.

FIG. 7 is a view showing the action of inserting the present electrical connector and the docking connector.

100‧‧‧Electrical connector

110‧‧‧Shield housing

120‧‧‧ accommodating space

130‧‧‧First housing

140‧‧‧Second housing

200‧‧‧Insulated body

210‧‧‧ slot

220‧‧‧ card slot

230‧‧‧ slots

300‧‧‧Electrical terminals

310‧‧‧ Holding Department

320‧‧‧ Body Department

330‧‧‧Clamping arm

350‧‧‧ Grounding terminal

360‧‧‧Connecting Department

362‧‧‧Shrap

500‧‧‧Flexible hook

510‧‧‧ positioning bumps

512‧‧‧ bumps

520‧‧‧Card Department

530‧‧‧Extension arm

Claims (10)

An electrical connector having a grounding structure, comprising: a shielding shell having an accommodating space; an insulating body being received in the accommodating space, wherein the insulating body is provided with a plurality of slots and two sides on the two sides of the insulating body a plurality of conductive terminals are respectively inserted into the slots, each of the conductive terminals includes two grounding terminals and a connecting portion connecting the grounding terminals, wherein the connecting portion spans the slots; and two elastic hooks Provided in each of the card slots, each of the elastic hooks has a positioning protrusion and an extending arm extending from the positioning protrusion, wherein one side of the positioning protrusion interferes with the shielding housing, and the connecting portion and the connecting portion The inner wall of the shield case abuts to form a ground. The electrical connector of claim 1, wherein each of the positioning protrusions is disposed adjacent to each of the grounding terminals, and each of the positioning protrusions further forms a gap with each of the grounding terminals. The electrical connector of claim 2, wherein the positioning protrusion is displaced toward the gap to come out of contact with the shield case and thereby interfere with each of the ground terminals. The electrical connector of claim 1, wherein each of the conductive terminals further has a holding portion, a body portion and a clamping arm, and the holding portion and the clamping arm are disposed at both ends of the body portion. The electrical connector of claim 4, wherein the clamping arm further comprises two plug portions and a contact portion disposed on each of the plug portions, each of the contact portions being disposed corresponding to each other. The electrical connector of claim 4, wherein a portion of the retaining portion is further bent with a pad portion for soldering to the plurality of cables. The electrical connector of claim 1, wherein each of the elastic hooks further has a fastening portion, and the positioning protrusion and the extension arm are respectively connected to both ends of the fastening portion. The electrical connector of claim 7, wherein the fastening portion comprises a recess, and the insulating body comprises a positioning block, the recess being engaged with the positioning block. The electrical connector of claim 1, wherein one side of the connecting portion further has a resilient piece for contacting the shielding case. The electrical connector of claim 1, wherein the positioning bump further has a bump in contact with the shield housing.