CN201498781U - Cable Connector Assembly - Google Patents

Abstract

The utility model provides a cable connector component which comprises an insulating shell, a plurality of connectors, a cable electrically connected with the connectors and a metal shielding body covering the insulating shell, wherein the insulating shell is internally provided with a plurality of holding grooves; the plurality of connectors are respectively held in corresponding holding grooves; a plugging port of the connector is exposed to an opening of the front wall of the insulating shell; the connector comprises a terminal block and a metal shell covering the terminal block; the terminal block comprises a conductive terminal and an insulating body holding the conductive terminal; the metal shielding body is provided with a plurality of metal spring plates connected against the metal shell; and the metal spring plate is convexly provided with a heave preventing the spring plate from rebounding near to the root of the spring plate. By arranging the heave at the root of the metal spring plate of the metal shielding body, the cable connector component can effectively prevent the metal spring plate from rebounding to ensure the good grounding effect of the connector, thus causing the connector to be capable of effectively preventing electromagnetic interference (EMI) when transmitting signals.

Description

Cable Connector Assembly

【Technical field】

The utility model relates to a cable connector assembly, in particular to a cable connector assembly with a metal shielding body.

【Background technique】

At present, the input or output interfaces of computer data include Universal Serial Bus (Universal Serial Bus; USB) interface, audio interface (Audio Jack), printer output interface (Print Port), etc., which mainly provide input/output of computer data. The output connection, however, the above-mentioned connection port is set on the rear of the back of the general desktop computer. When connecting, it is often necessary to turn the computer host over to insert the connection, and then reset the host after the connection is completed, causing a lot of inconvenience to the user.

In view of the above situation, some computer casing manufacturers have designed some commonly used connection interfaces on the front of the casing, such as USB interface and voice interface. These commonly used input/output interfaces are installed on the front of the computer casing to connect the computer and peripheral devices, which greatly facilitates the use of the user.

Please refer to the Taiwan Patent Publication No. TWM346200 patent announced on December 1, 2008, which discloses a modular connector, which is equipped with a commonly used universal serial bus interface and voice interface Commonly used input/output interfaces, which are installed on the chassis panel, are used as input/output interfaces for external docking connectors, and the other end is connected to the electrical connector on the circuit board to connect with the conductive circuit of the circuit board phase conduction. The metal shielding body of the modular connector is provided with metal shrapnel abutting against the metal shell of the internal connector. However, the metal shrapnel will slowly rebound over time and separate from the metal shell of the connector. Separation, thereby affecting the grounding effect of the connector, resulting in serious electromagnetic interference (EMI) when the connector transmits signals.

Therefore, it is necessary to design a cable connector assembly to overcome the above-mentioned technical shortcomings.

【Content of utility model】

The purpose of the present utility model is to provide a cable connector assembly, which can effectively prevent electromagnetic interference (EMI).

In order to solve the above technical problems, the cable connector assembly of the utility model adopts the following technical solution: a cable connector assembly, which includes an insulating housing, a plurality of connectors, cables electrically connected to the connectors, and a coating insulation The metal shielding body of the housing, the insulating housing is provided with a number of accommodating grooves, and a number of connectors are respectively accommodated in the corresponding accommodating grooves, the front wall of the insulating housing is formed with a number of openings, the connectors The socket is exposed to the opening of the insulating housing. The connector includes a terminal base and a metal shell covering the terminal base. The terminal base includes a conductive terminal and an insulating body for accommodating the conductive terminal. The metal shielding The body is provided with a plurality of metal shrapnels abutting against the metal shell, and a protrusion is protruded from the metal shrapnel adjacent to the root of the shrapnel to prevent the shrapnel from rebounding.

Compared with the prior art, the utility model has the following advantages: by setting a protrusion at the root of the metal shrapnel of the metal shielding body, it can effectively prevent the rebound of the metal shrapnel to ensure a good grounding effect of the connector, so that the connector is It can effectively prevent electromagnetic interference (EMI) when transmitting signals.

【Description of drawings】

Fig. 1 is a three-dimensional assembled view of the cable connector assembly of the present invention.

Fig. 2 is a view from another perspective of the cable connector assembly shown in Fig. 1 .

Fig. 3 is a partially exploded perspective view of the cable connector assembly of the present invention, wherein the connector is assembled in the lower housing.

Fig. 4 is a three-dimensional exploded view of the cable connector assembly of the present invention.

Fig. 5 is a view from another perspective of the cable connector assembly shown in Fig. 4 .

Fig. 6 is a perspective view of the metal shielding body of the cable connector assembly of the present invention.

Fig. 7 is a partially enlarged view of the metal dome shown in Fig. 3 .

【Detailed ways】

Referring to FIG. 1 to FIG. 4 , the cable connector assembly 100 of the present invention includes an insulating housing 1 , a connector 2 , a metal shielding body 4 , an LED indicator light 5 and a switch 6 .

The insulating housing 1 is roughly in the shape of a cuboid, on which are provided a plurality of accommodating grooves 13 spaced apart from each other, and the front wall 14 of the insulating housing 1 has a plurality of openings 130 respectively communicating with the accommodating grooves 13, and Each accommodating groove 13 is also communicated with the outlet 150 of the bottom wall 15 of the insulating housing 1 , and the bottom wall 15 protrudes two protrusions 122 outward. The insulating shell 1 is also provided with accommodating cavities 16 and 17 for accommodating the LED indicator light 5 and the switch 6 respectively. The LED indicator light 5 can be used to indicate the working state of the cable connector assembly 100. The switch 6 is A hot boot switch that warms the computer. The insulating housing 1 includes an upper housing 11 and a lower housing 12 , and the upper and lower housings 11 , 12 can be assembled into one body through the cooperation of snap-fit structures provided thereon. The upper casing 11 is roughly plate-shaped, and is provided with a plurality of openings 111 together with the corresponding receiving grooves 13. The upper wall 110 of the upper casing 11 is provided with two tower-shaped protrusions 112 near the openings 111. On the upper casing 11 A pair of L-shaped protrusions (not shown) are respectively disposed near the protrusions 112 , and a guiding groove 113 is formed between the pair of L-shaped protrusions. Both ends of the lower housing 12 are provided with first and second mounting portions 18 , 19 , through which the cable connector assembly 100 can be mounted on a holder inside the computer. The first mounting portion 18 is provided with a notch portion 180 and a locking protrusion 181 for matching with a corresponding locking structure (not shown) on the holder. The second mounting part 19 is provided with a through hole 190 that runs through itself, and the through hole can allow a bolt to pass through. The edge of the second mounting part 19 is provided with two stop posts 192. The top of the second mounting part 19 A protrusion 191 also protrudes from the top. The upper housing 11 is provided with several trapezoidal ribs 114 at the rear wall 10, and the lower housing 12 is provided with several corresponding trapezoidal grooves 121 corresponding to the trapezoidal ribs 114. The cooperation of the groove 121 can prevent the trapezoidal convex rib 114 from everting after the upper shell 11 and the lower shell 12 are assembled, so as to ensure the stability of the assembly of the upper and lower shells 11 and 12 .

Please refer to Fig. 3 and Fig. 4, the connectors 2 of the cable connector assembly 100 of the present invention are respectively arranged in the accommodating grooves 13 of the insulating housing 1, and each connector 2 includes a terminal block 21, A metal shell 22 covering the outside of the terminal block 21 and a cable 3 electrically connected to the terminal block 21 and extending out of the insulating shell 1, and one end surface of each connector 2 respectively passes through the insulating shell 1 The socket 20 of the opening 130 is provided. The terminal base 21 includes a plurality of conductive terminals 212 and an insulating body 211 for receiving the conductive terminals 212 . The cable 3 includes wires 31 connected to the corresponding conductive terminals 212 , an insulating sheath 32 covering the wires 31 , and a positioning member 33 . The above-mentioned connectors 2 include four USB (Universal Serial Bus; Universal Serial Bus) connectors and two audio interface (Audio Jack) connectors.

The metal shielding body 4 is made of a metal material by stamping. The metal shielding body 4 is covered on the insulating housing 1, and the front end surface 41 of the metal shielding body 4 has a number of through holes 410 corresponding to the connectors 2. , and the upper wall 42 and the bottom wall 44 of the metal shielding body 4 are provided with a plurality of through holes 423 , 443 that are engaged with the protrusions 112 , 122 on the top wall 110 and bottom wall 15 of the insulating housing 1 . The upper wall 42 of the metal shielding body 4 is provided with four metal shrapnels 421 corresponding to the four USB connectors, which can pass through the openings 111 on the upper housing 11 and abut against the metal housing 22 of the USB connector 2. The elastic piece 421 includes an arc-shaped connecting portion 4211 extending inward from the upper wall 42, an extending portion 4213 obliquely extending from the connecting portion 4211, and an abutting portion 4214 bent from the end of the extending portion 4213, and the connecting portion 4211 is punched A protrusion 4212 is formed. The protrusion 4212 protrudes toward the outside of the metal shielding body 4. The protrusion 4212 is rectangular and protrudes from the middle of the connection part 4211. The protrusion 4212 accounts for about one-third of the connection part 4211. . The protrusion 4212 changes the shape of the cross-joint surface of the original connecting portion 4211 to effectively prevent the metal dome 421 from rebounding. There are also several protruding grounding shrapnels 422 adjacent to the metal shrapnel 421, and a number of guiding pieces 424 protruding from the rear end of the metal shielding body 4, which can be inserted into the corresponding guiding grooves 113 on the insulating shell 1. The cooperation between the guide piece 424 and the corresponding guide groove 113 can play a good guiding role for installing the metal shielding body 4 on the insulating housing 1 . One end of the metal shielding body 4 is provided with a mounting piece 43 corresponding to the second mounting portion 19 of the insulating housing 1. The mounting piece 43 is provided with a through hole 430 corresponding to the through hole 190, and two notches 433 are provided corresponding to the stop post 192. The corresponding protrusion 191 is provided with a through hole 431 that can be buckled and matched with the protrusion 191 , and the mounting piece 43 is also provided with a plurality of protruding grounding elastic pieces 432 .

Please refer to Figures 1 to 6, when the cable connector assembly 100 of the present invention is assembled, the USB connector and the voice interface connector 2 are first installed in the part of the accommodating groove 13 located in the lower housing 12, so that each The socket 20 of the connector 2 is exposed in the opening 130 of the front wall 14 of the insulating housing 1, so that the cable 3 passes through the insulating housing 1 from the outlet 150 of the bottom wall 15 of the insulating housing 1, and the cable 3, the positioning part 33 is stuck in the insulating housing 1, and then the LED indicator light 5 and the switch 6 are installed in the corresponding receiving cavities 16 and 17 of the corresponding lower housing 12; then the upper housing 11 is fastened to the lower housing body 12 to ensure that each connector 2 is stably held in each accommodating groove 13 of the insulating housing 1; then the metal shielding body 4 is buckled on the insulating housing 1 from the front to the rear, and the guide piece 424 Inserted into the corresponding guide groove 113, the through holes 423, 443, 431 are buckled on the corresponding protrusions 112, 122, 191 to ensure the assembly of the metal shielding body 4 and the insulating housing 1 is stable, and the metal shrapnel 421 from the corresponding The opening 111 protrudes into the insulating housing 1 and abuts against the metal housing 22 of the USB connector 2, which can ensure that the USB connector 2 has a good grounding effect, so that the USB connector 2 can effectively prevent electromagnetic interference when transmitting signals (EMI). Then the first mounting part 18 of the insulating housing 1 is clamped in the corresponding holding structure of the computer holder, and then a bolt passes through the through hole 430 of the mounting piece 43 of the metal shielding body 4 and the first mounting part 18 of the insulating housing 1. The through holes 190 of the two installation parts 19 are formed through the through holes and screwed on the holding frame of the computer. After the holding is completed, the protruding grounding elastic pieces 422, 432 of the metal shielding body 4 are in contact with the holding frame of the computer. The grounding area of each connector 2 is increased, so that each connector 2 can effectively prevent electromagnetic interference (EMI) when transmitting signals.

Claims (10)

1. A cable connector assembly, which includes an insulating housing, several connectors, cables electrically connected to the connectors, and a metal shield covering the insulating housing. A plurality of connectors are accommodated in the corresponding accommodating grooves, the front wall of the insulating housing is formed with a plurality of openings, and the insertion ports of the connectors are exposed to the openings of the insulating housing, and the characteristics are that: The connector includes a terminal base and a metal shell covering the terminal base. The terminal base includes a conductive terminal and an insulating body for accommodating the conductive terminal. The shrapnel, the metal shrapnel protrudes from the root of the shrapnel to prevent the shrapnel from rebounding. 2. The cable connector assembly according to claim 1, wherein the metal elastic piece protrudes from the metal shielding body. 3. The cable connector assembly according to claim 2, wherein the metal elastic piece comprises an arc-shaped connecting portion at the root, an extension extending obliquely from the arc-shaped connecting portion to the metal shielding body, and a connecting extension And abut against the abutting portion of the metal shell. 4 . The cable connector assembly according to claim 3 , wherein the protrusion is punched and formed at the arc-shaped connecting portion, and protrudes toward the outside of the metal shielding body. 5. The cable connector assembly according to any one of claims 1 to 4, wherein the metal shielding body further comprises a plurality of protruding grounding springs abutting against the external grounding circuit. 6. The cable connector assembly according to claim 5, wherein the insulating housing is further provided with a plurality of protrusions protruding from its outer surface, and the metal shielding body is provided with a plurality of corresponding insulating The protrusions of the housing are snap-fit through holes. 7. The cable connector assembly according to claim 6, wherein the insulating housing is further provided with several pairs of L-shaped projections, and several guide grooves are formed between the several pairs of L-shaped projections, Corresponding to the guiding grooves, the metal shielding body is provided with several guiding pieces that can be inserted into the corresponding guiding grooves. 8 . The cable connector assembly according to claim 7 , wherein two ends of the insulating housing are provided with mounting portions for mounting the cable connector assembly on an outer holding structure. 9 . 9. The cable connector assembly according to claim 8, wherein the insulating shell comprises an upper shell and a lower shell, the upper shell is provided with several trapezoidal ribs, and the lower shell There are several trapezoidal grooves matching with the corresponding trapezoidal convex ribs. 10. The cable connector assembly according to claim 7, characterized in that: the cable connector assembly further comprises an indicator light indicating the working state of the cable connector assembly and a switch capable of hot-starting the computer.

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