TWM557462U - Electrical connector - Google Patents

Abstract

An electrical connector includes a metal housing, a signal transmission assembly, a first grounding strip, and a second grounding strip. The metal housing has a receiving groove and an insertion opening and a threading opening on opposite sides of the receiving groove. The signal transmission component is located in the receiving slot of the metal housing. The first grounding piece is located in the accommodating groove, the first grounding piece includes a first assembling portion and a first abutting portion, the first assembling portion is located at the insertion opening and is mounted on the metal casing, and the first butting portion is connected to the first assembling portion . The second grounding piece is located in the receiving groove of the metal casing, the second grounding piece includes a second assembling portion, a second abutting portion and a connecting portion, and the second abutting portion and the connecting portion are respectively connected to opposite sides of the second assembling portion The second assembly portion is mounted on the metal housing, and the second mating portion is electrically overlapped with the first mating portion, and the wiring portion is located at the threading opening.

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a ground lug.

With the rapid development of communication network technology, the connection between people in life has been carried out through a variety of messages through the communication network, and the communication connector is the basic part in the field of electronic communication. Currently, communication connectors on the market include plugs and sockets, which are bridges for electrically connecting the transmission cables.

At present, the socket of a common communication connector is mainly composed of a main body, a signal transmission member and an outer cover for connecting with a transmission cable covering a plurality of core wires. One end of the main body has a slot for connecting another corresponding communication plug. The signal transmitting member is used to connect a plurality of core wires of the transmission cable. The outer cover is usually made of metal and is disposed on the main body as a structure for protecting the connection between the signal transmitting member and the core wire, and for shielding noise outside the socket and conducting internal noise.

However, in order to make the cover of the socket have good structural strength and better shielding noise, the manufacturer often faces a dilemma in selecting the material of the cover. In detail, if the manufacturer uses a metal with a higher structural strength as the material of the cover body, the effect of the internal noise conduction of the socket is poor, so that the signal is still easily disturbed during transmission. On the other hand, if the manufacturer uses a metal material that is easily transmitted by noise, the structural strength of the socket is weak and easily damaged.

The present invention is to provide an electrical connector, thereby solving the problem that the cover body in the prior art is difficult to achieve both good structural strength and good shielding effect.

An electrical connector disclosed in one embodiment of the present invention is used for a cable connection. The electrical connector comprises a metal housing, a signal transmission component, a first grounding strip and a second grounding strip. The metal housing has a receiving slot and an insertion opening and a threading opening on opposite sides of the receiving slot. The signal transmission component is located in the receiving slot of the metal housing. The first grounding piece is located in the receiving groove of the metal casing, the first grounding piece includes a first assembling portion and a first abutting portion, and the first assembling portion is located at the insertion opening and is mounted on the metal casing, the first butting portion Connected to the first assembly. The second grounding piece is located in the receiving groove of the metal casing, the second grounding piece includes a second assembling portion, a second abutting portion and a connecting portion, and the second abutting portion and the connecting portion are respectively connected to the second assembled portion. On the two sides, the second assembly part is mounted on the metal housing, and the second butt joint is electrically connected to the first butt joint, and the connection part is located at the threading opening, and is used for electrically contacting the cable.

According to the electrical connector disclosed in the above embodiment, the noise inside the electrical connector is removed through the first grounding piece and the second grounding piece located inside the metal casing. Since the first grounding piece and the second grounding piece are located inside the metal casing, the noise inside the electrical connector of the embodiment can take a shorter path and improve the noise compared with the state of being removed through the metal casing. The effect of the shield. In addition, since the first grounding piece and the second grounding piece are independent of the metal casing, the first grounding piece and the first grounding piece are provided in addition to the metal casing, which can provide a strong protective effect by using a metal material having a strong structural strength. The two grounding strips can be made of a metal material with better conductivity.

The above description of the present invention and the following description of the embodiments are intended to illustrate and explain the principles of the present invention and to provide a further explanation of the scope of the present application.

Please refer to Figure 1 and Figure 4. 1 is a perspective view of an electrical connector according to a first embodiment of the present invention connected to a cable. Figure 2 is an exploded view of Figure 1. Figure 3 is a rear plan view of Figure 1.

The electrical connector 10 of this embodiment is, for example, an RJ45 communication socket, and is used to connect a cable 11. The cable 11 has a protective layer 11a, a shielding layer 11b and a plurality of core wires 11c. The shielding layer 11b surrounds the plurality of core wires 11c, and the protective layer 11a surrounds the cladding shielding layer 11b. The electrical connector 10 includes a metal housing 100, a signal transmission assembly 200, a first grounding strip 300, and a second grounding strip 400.

In this embodiment, the material of the metal casing 100 is, for example, but not limited to, a zinc alloy, and the metal casing 100 includes a socket 110, a cover 120, two movable covers 130, and a pressing elastic arm 140. The socket 110 has an insertion opening 111 and two opposite assembly holes 112. The insertion port 111 and the second assembly hole 112 are respectively located on different sides of the socket 110. The cover 120 is pivotally disposed on the socket 110 and can cover the insertion opening 111 in a split manner. The two movable covers 130 are located on one side of the socket 110 away from the insertion opening 111. The two movable covers 130 are pivotally disposed on the socket 110, and one of the two movable covers 130 has a pivoting structure 131, a wire carrying plate 132 and an engaging groove 133. The pivoting structure 131, the wire carrying plate 132 and the engaging groove 133 are all located on a side of the movable cover 130 away from the insertion opening 111. The surface of the pressing elastic arm 140 has a serrated concave-convex structure 141, and one end of the pressing elastic arm 140 is pivotally disposed on the pivoting structure 131. The two movable cover 130 can be rotated relative to the socket 110 to have a closed position (please refer to FIG. 5 for details) and an open position (please refer to FIG. 6 for details). When the two movable covers 130 are in the closed position, the sockets 110 and the two movable covers 130 together surround a receiving slot 150 (please refer to FIG. 5 for details), and the signal transmission component 200, the first grounding strip 300 and the second The grounding strips 400 are respectively located in the receiving slots 150, and the other end of the pressing elastic arms 140 is engaged with the engaging grooves 133 through the serrated concave-convex structure 141, so that the pressing elastic arms 140 and the load-carrying plate 132 surround the threading Port 160 (please refer to Figure 5 for details). When the second movable cover 130 is in the open position, the receiving groove 150 is exposed to the outside.

In this embodiment, the metal housing 100 has two pivotable cover covers 130, but is not limited thereto. In other embodiments, one of the movable covers of the metal housing can be changed to a fixed cover, and the other movable cover maintains a pivotal manner and rotates relative to the fixed cover.

The signal transmission component 200 includes a circuit board 210, a plurality of docking terminals 220, a plurality of piercing terminals 230, a piercing terminal block 240, and a threading frame 250. The circuit board 210 is mounted on the socket 110, and the docking terminals 220 are inserted on one side of the circuit board 210 near the insertion port 111, and the piercing terminals 230 are inserted on one side of the circuit board 210 near the threading port 160. . Each of the mating terminals 220 is electrically connected to each of the piercing terminals 230 through the circuit board 210 , and the piercing terminal block 240 is disposed on a side of the plug socket 110 away from the insertion port 111 . In the present embodiment, the threading frame 250 is used to thread a plurality of core wires 11c of the cable 11. The threading frame 250 is slidably mounted on one side of the piercing terminal block 240 away from the insertion port 111, so that the piercing terminals 230 respectively pierce the terminal block 240 and the threading frame 250, and the butting terminals 220 are respectively Electrically connected to the plurality of core wires 11c of the cable 11.

Please refer to FIG. 4 together with FIG. 2, which is a top view of the first grounding piece of FIG. The first grounding piece 300 includes a first assembly portion 310 and a first abutting portion 320. The first assembly part 310 includes two assembly arms 311 , and the two assembly arms 311 each include an assembly section 3111 , a retraction section 3112 , and a connection section 3113 . The assembly section 3111 and the connection section 3113 are respectively connected to opposite sides of the contraction section 3112, and the distance L1 between the two contraction sections 3112 is smaller than the distance L3 between the distance L2 and the second assembly section 3111 between the two connection sections 3113. The two assembly sections 3111 are respectively mounted on the two assembly holes 112 of the socket 110. The first abutting portion 320 includes a body portion 321 , a curved portion 322 and a pressure receiving portion 323 . The body portion 321 is connected to the connecting portion 3113 of the first assembling portion 310 , and the pressure receiving portion 323 is connected to the body portion 321 through the curved portion 322 . And has the effect of elastic reset.

Please refer to FIG. 2 and FIG. 5 together. FIG. 5 is a cross-sectional view of FIG. The second grounding strip 400 includes a second assembly portion 410, a second mating portion 420, and a wiring portion 430. The second docking portion 420 is swingably coupled to the second assembly portion 410. The wiring portion 430 is connected to a side of the second assembly portion 410 away from the second butting portion 420. The second assembly portion 410 is riveted to one of the movable covers 130 of the metal casing 100. The connecting portion 430 includes a cover wire 431, two first elastic arms 432 and a second elastic arm 433. The first elastic arms 432 are connected to one side of the cover wire 431, and the second elastic arms 433 are connected to the cover wire. 431 is opposite to one side of the second first arm 432. When the second movable cover 130 is in the closed position, the second abutting portion 420 is pressed against the pressure receiving portion 323 of the first abutting portion 320, so that the second butting portion 420 is electrically overlapped with the first butting portion 320, and the wiring is The cover wire 431 of the portion 430, the two first elastic arms 432 and the second elastic arms 433 are respectively located at the threading opening 160, and the two first elastic arms 432 and the second elastic arms 433 are interposed between the cover wire plate 431 and the load wire plate 132. between. The first elastic arm 432 and the second elastic arm 433 are electrically connected to the shielding layer 11b of the cable 11, so that the noise in the electrical connector 10 can be eliminated through the grounding.

In the present embodiment, the material of the first grounding strip 300 and the second grounding strip 400 is made of copper metal which is superior to the zinc alloy of the metal casing 100, but is not limited thereto. In other embodiments, the material of the first grounding strip and the second grounding strip may be other metals that are superior to the zinc alloy.

In addition, the two first elastic arms 432 are connected to one side of the cover wire plate 431, and the second elastic arms 433 are connected to the side of the cover wire plate 431 opposite to the two first elastic arms 432, so that the connection portion 430 can be effectively balanced. The shielding layer 11b of the cable 11 is abutted, but not limited thereto. In other embodiments, the two first elastic arms and the second elastic arms are respectively connectable to the same side of the cover wire. Or, the wiring portion has no first elastic arm and the second elastic arm, and the wiring portion can electrically contact the shielding layer of the cable only through the cover wire. Furthermore, the number of the first elastic arm and the second elastic arm can also be adjusted according to the number of designs of the manufacturer.

Next, the process of assembling the cable 11 to the metal casing 100 will be described. Please refer to FIG. 6 and FIG. 7 together. FIG. 6 is a cross-sectional view of the movable cover of the electrical connector of FIG. 5 in an open position, and FIG. 7 is an electrical connection of FIG. A cross-sectional view of the movable cover of the device. Figure 8 is a rear plan view of Figure 7.

First, the user must first place the two movable covers 130 of the metal casing 100 in the open position as shown in FIG. Then, after the plurality of core wires 11c of the cable 11 are threaded on the threading frame 250, respectively, the threading frame 250 is pressed toward the piercing terminal block 240, so that the piercing terminals 230 pass through the threading frame 250. The docking terminals 220 are electrically connected to the plurality of core wires 11c of the cable 11 through the piercing terminals 230, respectively. Next, as shown in FIG. 7, the second movable cover 130 is rotated in the direction D1 to press the second abutting portion 420 of the second grounding piece 400 (shown in FIG. 2) against the first abutting portion 320 (as shown in FIG. 2). After the pressure receiving section 323, and the two first elastic arms 432 and the second elastic arm 433 of the connecting portion 430 electrically contact the shielding layer 11b of the cable 11, the pressing elastic arm is rotated in the direction D2 as shown in FIG. 140 is caught in the engagement groove 133. At this time, the second movable cover 130 is located at the closing position as shown in FIG. 5, and the pressing elastic arm 140 is also engaged with the engaging groove 133 as shown in FIG.

As shown in FIG. 7, in the process of rotating and closing the two movable covers 130, the second abutting portion 420 of the second grounding piece 400 (shown in FIG. 2) is swingably connected to the second assembling portion 410. And the pressure receiving portion 323 of the first abutting portion 320 (shown in FIG. 2) has an elastic returning effect through the curved portion 322, thereby relaxing the force of the user pressing the movable cover 130 to ensure the second butting portion. When the pressing portion 420 is pressed against the pressing portion 323, the structure in which the second assembling portion 410 is riveted to the movable cover 130 is not damaged.

The noise inside the electrical connector 10 of the present embodiment is eliminated through the first grounding strip 300 and the second grounding strip 400 located inside the metal casing 100. Since the first grounding strip 300 and the second grounding strip 400 are located inside the metal casing 100, the noise located inside the electrical connector 10 can be shortened and can be improved compared with the state of being removed through the metal casing 100. The effect of noise shielding.

In addition, since the first grounding strip 300 and the second grounding strip 400 are independent of the metal casing 100, in addition to the metal casing 100, which can provide a strong protective effect by using a metal material having a strong structural strength, the first The grounding piece 300 and the second grounding piece 400 may be made of a metal material having better conductivity.

In addition, since the distance L1 between the two indented segments 3112 is smaller than the distance L3 between the two connecting segments 3113 and the distance L3 between the two assembled segments 3111, that is, the two assembled elastic arms 311 of the first grounding piece 300 have a retracted shape. Therefore, the second retracting section 3112 can provide the resistance of the plug insertion to prevent the force of the plug from being inserted into the socket 110 too large, and the first grounding piece 300 is pushed backward by the insertion of the plug.

The accommodating groove 150 in the foregoing embodiment is formed by the joint of the socket 110 and the two movable covers 130, but is not limited thereto. Please refer to Figures 9 to 11. FIG. 9 is a perspective view of an electrical connector according to a second embodiment of the present invention connected to a cable. Figure 10 is a cross-sectional view of the electrical connector of Figure 9. FIG. 11 is a schematic view of the two-card slot separating the crimping arm of the electrical connector of FIG. 9. FIG.

In this embodiment, the receiving groove 150' is formed by a socket holder 110', a carrier 120' and a movable cover 130'. In detail, the metal housing 100' includes a socket 110', a carrier 120', a movable cover 130', and a crimping arm 140'. The insertion port 111' is located at the socket 110', and the carrier 120' and the movable cover 130' are located on one side of the socket 110' away from the insertion port 111', and the carrier 120' is fixed to the socket 110'. The movable cover 130' has a carrier plate 131' and two card slots 132', and the movable cover 130' is slidably mounted on the carrier 120', and the socket 110', the carrier 120' and the movable cover are provided. 130' collectively surrounds the receiving recess 150', and the first grounding strip 300' and the second grounding strip 400' are both located in the receiving slot 150' and electrically overlap each other, and the opposite two of the pressing elastic arm 140' The ends are respectively engaged with the two card slots 132', so that the crimping arm 140' and the carrier plate 131' together form the threading opening 160'. The crimping arm 140' is movable relative to the movable cover 130' to adjust the size of the threaded opening 160'.

According to the electrical connector of the above embodiment, the noise inside the electrical connector is removed through the first grounding piece and the second grounding piece located inside the metal casing. Since the first grounding strip and the second grounding strip are located inside the metal casing, the noise inside the electrical connector of the embodiment can take a shorter path and improve the noise compared with the state of being removed through the metal casing. The effect of the shield. In addition, since the first grounding piece and the second grounding piece are independent of the metal casing, the first grounding piece and the first grounding piece are provided in addition to the metal casing, which can provide a strong protective effect by using a metal material having a strong structural strength. The two grounding strips can be made of a metal material with better conductivity.

In addition, since the second abutting portion of the second grounding piece is swingably connected to the second assembling portion, and the pressure receiving portion of the first butting portion has an elastic returning effect through the curved portion, thereby relaxing the user Pressing the force of the movable cover to ensure that the second abutting portion presses the pressure receiving portion of the first butt portion without damaging the structure where the second assembly portion is riveted to the movable cover

Furthermore, since the second elastic arm is connected to one side of the cover wire, the second elastic arm is connected to the side of the cover wire opposite to the first elastic arm, so that the terminal can be balanced against the cable. Shield.

In addition, 4u64, because the distance between the two retracted segments is less than the distance between the two connecting segments and the distance between the two assembled segments, that is, the two assembled elastic arms of the first grounding piece have a retracted shape, so the two retracting segments can provide plug insertion. The resistance prevents the force of the plug from being inserted into the socket too large, and the first ground piece is pushed backward by the insertion of the plug.

Although the present invention has been described above in terms of the preferred embodiments thereof, it is not intended to limit the present invention, and it is intended that those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. The scope of the new patent protection shall be subject to the definition of the scope of the patent application attached to this specification.

10‧‧‧Electrical connector
11‧‧‧ Cable
11a‧‧‧Protective layer
11b‧‧‧Shield
11c‧‧‧core
100‧‧‧Metal housing
110, 110'‧‧‧ socket
111, 111'‧‧‧ inserted mouth
112‧‧‧Assembled holes
120‧‧‧ Cover
120'‧‧‧ bearing seat
130, 130'‧‧‧ activities cover
131‧‧‧ pivot structure
132, 131'‧‧‧ carrier board
132'‧‧‧ card slot
133‧‧‧ snap groove
140, 140'‧‧‧pressure line arm
141‧‧‧ concave structure
150, 150'‧‧‧ accommodating slots
160, 160'‧‧‧ threading port
200‧‧‧Signal transmission component
210‧‧‧ boards
220‧‧‧ docking terminal
230‧‧‧ piercing terminal
240‧‧‧ pierced terminal block
250‧‧‧Threading frame
300, 300'‧‧‧ first grounding piece
310‧‧‧First Assembly Department
311‧‧‧Assembling the arm
3111‧‧‧ Assembly section
3112‧‧‧ Contraction
3113‧‧‧ Connection section
320‧‧‧First docking
321‧‧‧ body segment
322‧‧‧bend section
323‧‧‧pressure section
400, 400'‧‧‧second grounding piece
410‧‧‧Second Assembly Department
420‧‧‧Second docking
430‧‧‧Wiring
431‧‧‧ Cover board
432‧‧‧First arm
433‧‧‧second arm
L1, L2, L3‧‧‧ spacing
D1, D2‧‧‧ direction

1 is a perspective view of an electrical connector according to a first embodiment of the present invention connected to a cable. Figure 2 is an exploded view of Figure 1. Figure 3 is a rear plan view of Figure 1. 4 is a top plan view of the first ground strip of FIG. 2. Figure 5 is a cross-sectional view of Figure 1. Figure 6 is a cross-sectional view of the movable cover of the electrical connector of Figure 5 in an open position. Figure 7 is a cross-sectional view of the movable cover of the electrical connector of Figure 6. Figure 8 is a rear plan view of Figure 7. FIG. 9 is a perspective view of an electrical connector according to a second embodiment of the present invention connected to a cable. Figure 10 is a cross-sectional view of the electrical connector of Figure 9. FIG. 11 is a schematic view of the two-card slot separating the crimping arm of the electrical connector of FIG. 9. FIG.

Claims (12)

An electrical connector for connecting a cable, the electrical connector comprising: a metal housing having a receiving slot and an insertion opening and a threading opening on opposite sides of the receiving slot; The signal transmission component is located in the accommodating groove of the metal casing; a first grounding piece is located in the accommodating groove of the metal casing, and the first grounding piece includes a first assembling portion and a first abutting portion. The first assembly part is located at the insertion opening and is mounted on the metal housing, the first abutting portion is connected to the first assembly portion, and a second grounding piece is located in the receiving groove of the metal housing. The second grounding piece includes a second assembly portion, a second abutting portion and a connecting portion. The second abutting portion and the connecting portion are respectively connected to opposite sides of the second assembling portion, and the second assembling portion is mounted The second mating portion is electrically connected to the first mating portion, and the connecting portion is located at the threading opening and is for electrically contacting the cable. The electrical connector of claim 1, wherein the metal housing comprises a socket and two movable covers, the insertion opening is located at the socket, and the two movable covers are located at the socket away from the One side of the insertion port, and the two movable covers are pivotally disposed on the socket, and have a cover position and an open position when the two movable covers are located at the cover position The socket and the two movable covers together surround the receiving slot, and the two movable covers are formed away from the side of the insertion opening to form the threading opening. When the two movable covers are in the open position, the receiving The tank is exposed to the outside. The electrical connector of claim 2, wherein the opposite sides of the socket have an assembly hole, the first assembly portion comprises a second assembly arm, and the two assembly arms each comprise an assembly segment. And an indented section and a connecting section, the assembling section and the connecting section are respectively connected to opposite sides of the indented section, and the distance between the two indented sections is smaller than the distance between the two connecting sections, and the two assembling sections are respectively Installed in the two assembly holes. The electrical connector of claim 3, wherein the first abutting portion includes a body portion, a curved portion and a pressure receiving portion, the pressure receiving portion being coupled to the body portion through the curved portion, the first The second assembly portion is riveted to one of the movable covers, and the second abutting portion is swingably coupled to the second assembly portion. When the two movable covers are located at the closed position, the second opposite portion is pressed against the receiving portion. Pressure section. The electrical connector of claim 2, wherein the metal housing further comprises a crimping arm, one of the two movable covers has a pivoting structure, and one of the two movable covers has a carrier board And one of the engaging slots, the one end of the pressing elastic arm is pivotally disposed on the pivoting structure, and when the two movable covers are located in the closed position, the other end of the pressing elastic arm is engaged in the engaging slot, so that The crimping arm and the carrier plate surround the threading opening. The electrical connector of claim 5, wherein the connecting portion comprises a cover wire and at least one elastic arm, the cover wire is connected to the second assembly, and the at least one elastic arm is connected to the cover a wire board, and when the two movable covers are located at the cover position, the at least one elastic arm is interposed between the cover wire and the wire carrier. The electrical connector of claim 6, wherein the at least one elastic arm comprises a first elastic arm and a second elastic arm, and the first elastic arm and the second elastic arm are respectively connected to the cover The opposite sides of the board. The electrical connector of claim 2, wherein the signal transmission component comprises a circuit board, a plurality of docking terminals and a plurality of piercing terminals, the circuit board is mounted on the socket, and the docking The terminal is inserted on a side of the circuit board adjacent to the insertion port, and the piercing terminals are inserted on a side of the circuit board adjacent to the threading opening. The electrical connector of claim 8, wherein the signal transmission component further comprises a piercing terminal block and a threading frame, wherein the piercing terminal block is mounted on the socket, the threading frame is slidably The piercing terminal block is disposed away from the side of the insertion port, and the piercing terminals penetrate the piercing terminal block and the threading frame. The electrical connector of claim 2, wherein the metal housing further comprises a cover, and the cover is pivotally disposed on the socket and can cover the insertion opening. The electrical connector of claim 1, wherein the metal housing comprises a socket, a carrier and a movable cover, the insertion port is located at the socket, the carrier and the movable cover The socket is located away from the side of the insertion port, and the carrier is fixed to the socket, and the movable cover is slidably mounted on the carrier to enable the socket and the carrier And the movable cover surrounds the accommodating groove together, and the bearing seat and the movable cover are formed away from one side of the insertion opening to form the threading opening. The electrical connector of claim 11, wherein the metal housing further comprises a pressure wire elastic arm, the movable cover has a carrier plate and two card slots, and the opposite ends of the pressure wire arm respectively The two card slots are engaged to form the threading port together with the wire carrier, and the wire arm can be adjusted relative to the movable cover to adjust the size of the threading port.