CN204947168U - Socket connector - Google Patents

Abstract

A socket connector includes an insulating body, a terminal, a grounding piece and a metal shell. The insulating body includes a base and a butt tongue plate extending forward, and the terminal includes contact portions arranged on two opposite surfaces of the butt tongue plate. The two opposite surfaces of the butt tongue plate are provided with a stepped portion at the root adjacent to the base, and the grounding piece is wrapped on the outside of the stepped portion. A shielding plate is arranged inside the docking tongue plate, and the shielding plate isolates terminals on two opposite surfaces of the docking tongue plate from each other. The grounding element is provided with a plurality of elastic pieces, and the elastic pieces are mechanically and electrically connected to the grounding terminal among the terminals, or the shielding plate extends laterally to contact the grounding element or the metal shell. Compared with the prior art, the grounding terminal, the shielding plate, the metal shell or the grounding piece are selectively overlapped with each other, shortening the grounding path, or reducing the setting of the grounding pin of the circuit board.

Description

socket connector

This application is a divisional application of No. 201520150506.0 filed on March 17, 2015, entitled "Plug Connector".

【Technical field】

The utility model relates to a socket connector.

【Background technique】

US Published Patent Application No. 20130095702A1 discloses a bidirectional plug connector. The plug connector has a plug connector with opposite upper and lower surfaces, and a plurality of conductive terminals are arranged on the upper and lower surfaces. The conductive terminals exposed on the upper and lower surfaces are symmetrically spaced apart from each other, and the shape of the connecting head is approximately 180 degrees symmetrical so that it can be inserted into the corresponding socket connector in the forward and reverse directions.

However, a switching circuit needs to be provided inside the socket connector or the electronic device to detect whether the plug connector is inserted forward or backward, so as to start the corresponding follow-up procedure. As the number of terminals in the connector increases, the switching circuit becomes more complicated, which is not in line with the trend. At the same time, the plug connector is an exposed plug, and there is still a possibility of plugging damage in actual use.

Our company actively develops a new type of plug connector that can be inserted into the socket connector in both directions. At the same time, the two connectors can transmit high-frequency signals. Interfering plug connectors and socket connectors. At the same time, the plug connectors and socket connectors have many parts and complex assembly, which brings certain difficulties to ensure the strength of the connector itself and assembly control.

【Content of utility model】

The technical problem to be solved by the utility model is to provide a socket connector.

In order to solve the above technical problems, the utility model can adopt the following technical solutions: a socket connector, which includes an insulating body, a terminal, a grounding piece and a metal shell; the insulating body includes a base and a forwardly extending butt tongue, The butt tongue has two opposite surfaces, the terminal includes contact portions arranged on the two opposite surfaces of the butt tongue, and the metal shell surrounds the butt tongue to form a butt cavity between the two; the butt tongue The two opposite surfaces of the board are provided with a stepped portion at the root adjacent to the base, and the grounding piece is covered outside the stepped portion; a shielding plate is arranged inside the butt tongue plate, and the shielding plate will connect the terminals on the two opposite surfaces of the tongue plate isolated from each other.

The utility model can adopt another technical solution as follows: a socket connector, which includes an insulating body, a terminal, a grounding piece, and a metal shell; There are two opposite surfaces, the terminal includes contact parts arranged on the two opposite surfaces of the butt tongue plate; the two opposite surfaces of the butt tongue plate are provided with a stepped portion at the root adjacent to the base, and the grounding member covers On the outside of the step part; a shielding plate is provided inside the butt tongue plate, and the shield plate isolates the terminals on the two opposite surfaces of the butt tongue plate from each other; the grounding member is provided with a plurality of shrapnels, and the shrapnels are mechanically and electrically connected to the above-mentioned terminals in the ground terminal.

The utility model can adopt another technical solution as follows: a socket connector, which includes an insulating body, a terminal, a grounding piece, and a metal shell; There are two opposite surfaces, the terminal includes contact parts arranged on the two opposite surfaces of the butt tongue; the metal shell surrounds the butt tongue to form a butt cavity between the two; the two sides of the butt tongue The two opposite surfaces are provided with a step portion at the root adjacent to the base, and the grounding member is covered outside the step portion; a shielding plate is arranged inside the butt tongue plate, and the shield plate isolates the terminals on the two opposite surfaces of the butt tongue plate from each other; The shielding plate extends laterally to contact the grounding element or the metal casing to establish a grounding path.

Compared with the prior art, the ground terminal, the shielding plate, the metal shell or the grounding parts arranged on the stepped part of the utility model are selectively overlapped with each other, shortening the grounding path, or reducing the setting of the grounding pin of the circuit board.

【Description of drawings】

FIG. 1 is a perspective view of a plug connector according to a first embodiment of the present invention.

FIG. 2 is a partially exploded perspective view of the plug connector of FIG. 1 .

FIG. 3 is a further exploded perspective view of FIG. 2 .

FIG. 4 is a further exploded perspective view of FIG. 3 .

FIG. 5 is a further exploded perspective view of the connector of the plug connector of FIG. 4 .

FIG. 6 is an exploded perspective view of FIG. 5 from another angle.

FIG. 7 is a cross-sectional view along the dashed line A-A of FIG. 2 .

FIG. 8 is a perspective view of a locking member of a plug connector according to a second embodiment of the present invention.

FIG. 9 is an exploded perspective view of the plug connector according to the second embodiment of the present invention.

FIG. 10 is a perspective view of further assembly of FIG. 9 .

FIG. 11 is a perspective view of further assembly of FIG. 10 .

FIG. 12 is a perspective view of further assembly of FIG. 11 .

Fig. 13 is a schematic cross-sectional view of the plug connector mated with the socket connector according to the third embodiment of the present invention.

Figure 14 is a diagram of the arrangement of terminal pins installed in the through holes of the circuit board. The upper figure shows the pin arrangement of the lower row of terminals in the patent application No. 201510032016.5; the lower figure shows the improved arrangement of the lower row of terminals .

Fig. 15 is a partial enlarged view of Fig. 13, showing the structure in which the switch terminal is not activated when the non-mating plug connector is inserted.

Fig. 16 is a partial enlarged view of Fig. 13, showing the structure that activates the switch terminals when the mating plug connector is inserted.

FIG. 17 is a three-dimensional exploded view of the socket connector of the fourth embodiment of the present invention.

FIG. 18 is a perspective view of the socket connector in FIG. 17 without the metal shell.

FIG. 19 is a partially exploded perspective view of the socket connector of the fifth embodiment of the present invention.

FIG. 20 is a further exploded perspective view of FIG. 19 .

FIG. 21 is a further exploded perspective view of FIG. 20 .

FIG. 22 is a perspective view from another angle of FIG. 21 .

FIG. 23 is a schematic cross-sectional view of the socket connector in FIG. 19 .

The following specific embodiments will further illustrate the utility model in conjunction with the above-mentioned accompanying drawings.

【detailed description】

The company applied for utility model patent application No. 201510032016.5 on January 22, 2015, and introduced a plug connector and socket connector. This utility model is mainly aimed at the socket shown in Figures 1 to 14 of utility model patent application No. Connectors and plug connectors were improved. Therefore, this utility model will not introduce the previously introduced structure or the same structure, please refer to the description of the No. 201510032016.5 patent application.

1 to 7 show a plug connector 110 according to the first embodiment of the present invention. The plug connector 110 includes an insulating body 112 and a metal shell 116 covering the outside of the insulating body. The insulating body 112 is a one-piece type. Its front part is in a capsule shape and is provided with a receiving chamber 114 penetrating forward, and the receiving chamber is arranged in a 180-degree symmetrical structure. The upper and lower rows of terminals 118 are disposed in the terminal slots 1121 of the insulating body. The terminal slots are located on both sides of the receiving cavity, and the corresponding contact portion 120 extends into the receiving cavity 114 . A pair of elastic upper and lower shielding pieces 122 are covered in the metal shell 116, and each shielding piece 122 is clamped between the metal shell 116 and the insulating body 112, and each shielding piece 122 includes a front elastic region 124. The rear overlapping area 126 and a pair of side fixing areas 128, the front elastic area extends inwardly towards the receiving cavity and is located in front of the contact portion 120, the rear overlapping area 126 contacts the metal shell 116, and the side fixing area 128 is fixed on Insulate both sides of the body. A pair of insulating sheets 130 are disposed on two outer sides of the insulating body 112 , and the insulating sheets are disposed on the outer sides of the terminal contact portion for isolating the contact portion 120 from contacting the metal housing 116 .

The upper and lower rows of terminals 118 are integrally fixed in the insulator 132 by injection molding, thereby forming a terminal module 134 , that is, each terminal module includes the insulator 132 and the terminals 118 fixed on the insulator. After the terminal module is installed at the rear of the insulating body, each insulator 132 is located at the rear of the insulating body 112 , and the terminal contact portion 120 is accommodated in the terminal groove 1121 . The two terminal modules are provided with matching mounting columns 131 and mounting holes 133 on their opposite inner surfaces, so that the two terminal modules 134 are installed together, and each terminal module is provided with a U-shaped recess on the opposite inner surface The portion 135 is used to accommodate a U-shaped metal locking piece 139 , that is, the locking piece is clamped between two terminal modules. The insulating body is provided with a pair of side grooves 111 for accommodating two opposite locking arms 1391 of the locking member 139 , wherein the front locking heads 147 of the locking arms extend into the receiving cavity 114 . A pair of mounting posts 137 are disposed on the front surface of the insulator 132 , correspondingly inserted into a pair of mounting holes 113 provided on the rear end of the insulating body 112 , so as to install the insulator 132 and the insulating body 112 together. The two terminal modules 134 are first assembled together through the cooperation of the mounting column 131 and the mounting hole 133, and then inserted into the insulating body 112 from the back to the front, and the terminal module 134 is connected to the insulating body 112 through the cooperation of the setting column 137 and the setting hole 113. The bodies 112 are assembled together. Each terminal 118 further includes a pin 119 mounted on a front region of the daughter card 138 disposed behind the insulator 132 . The terminal contact portion 120 and pins of each terminal module 134 respectively extend out of the insulator 132 , the contact portion 120 is accommodated in the terminal groove 1121 of the insulating body, and the pins extend backward out of the rear surface of the insulator 132 . A cable 141 is arranged behind the daughter card 138. The cable includes a plurality of core wires 142 respectively welded to the rear area of the daughter card 138. A pair of cable organizers 143 are arranged between the daughter card and the core wires for Locate the core wire. Of course, the daughter card can also be used to directly connect the cable to the pin 119 through the cable positioning piece 172, and the cable and the pin are arranged in the through hole 170 of the positioning piece (as shown in FIG. 7 ), so Achieve good welding of both.

In this embodiment, the metal shell 116 is covered on the outside of the insulating body 112 and the two terminal modules 134, and the rear parts of the daughter card 138 and the two insulators 132 are covered in the metal shell, and the metal shell includes the first The half shell 144 and the second half shell 146 are assembled together in the vertical direction, and the vertical direction is the vertical front-back direction and the transverse direction. In the vertical direction, each half shell 144 / 146 is mechanically and electrically connected to the metal shell 116 . The rear edge of the metal casing is provided with four independent upper and lower rear edge pieces 1161 and left and right rear edge pieces 1162, and the front end of the metal casing is provided with up and down depressions 1441 and 1461, and the upper and lower rear edge pieces 1161 are accommodated in the upper and lower rear edge pieces. The recessed parts 1441, 1461, meanwhile, the left and right rear edge pieces 1162 are welded to the side walls of the metal shell, and in this embodiment, they are welded to the front end of one of the side walls. The metal shell can form a rectangular sealed tubular structure by bending one piece of metal plate, or a seamless rectangular tubular structure. In this embodiment, a pair of insulating plates 158, which are inner molds, are provided between the metal casing 144/146 and the daughter card 138 to serve as protective devices. Finally, the insulating outer cover 149 is injection-molded on the rear end of the metal shell 116 , the metal shells 144 , 146 and the front end of the cable 141 , thereby forming a complete plug connector 110 , or also called a cable connector. In this embodiment, an LED light 160 can be installed on the daughter card 138 , and guide the light outside through a light pipe (not shown), so that the user can understand the operation status of the connector. A ring-shaped magnetic element (not shown) can also be arranged on the front surface of the insulating outer cover of the plug connector to generate magnetism between the metal shell of the plug connector and the metal shell of the receptacle connector, thereby realizing both The magnetic attraction while the connector

8-12 show the plug connector 400 of the second embodiment. The plug connector includes an insulating body 412, two rows of terminals 418, an insulating positioning member 434, and a daughter card 438. Side grooves 413 are provided on both sides of the insulating body 412. . On the basis of the U-shape, the locking member 439 is further provided with two mounting feet 443 to form an H-shape. The locking member 439 includes a beam 440, a pair of locking arms 441 extending forward from both ends of the beam, and a pair of mounting feet 443 extending backward from both ends of the beam. The locking arms 441 are fixed on the side The slot 413 protrudes into the receiving chamber of the insulating body, and the mounting feet 443 pass through the guide slots 435 of the positioning member 434 to reach the daughter card 438, wherein each locking arm 441 has a locking head 442 at its front end, The locking head 442 is used to buckle with the shielding plate of the docking socket connector to realize the functions of grounding and locking. The mounting pin 443 is welded to the daughter card to realize the grounding function.

The receptacle connector of the No. 201510032016.5 patent application includes an insulating body, terminals, grounding parts and a metal shell; the insulating body includes a base and a butt tongue extending forward, the butt tongue has two opposite surfaces, and the terminals are arranged in the butt joint. The contact portion of the two opposite surfaces of the tongue plate, the metal shell surrounds the butt tongue plate to form a butt cavity between the two; the two opposite surfaces of the butt tongue plate are provided with a step at the root adjacent to the base, and the grounding piece is covered On the outer side of the step part; inside the butt tongue plate is provided with a shielding plate, which isolates the terminals on the two opposite surfaces of the butt tongue plate from each other. The socket connectors described below are all improved on the basis of the No. 201510032016.5 patent application, and the same points will not be introduced again. Figure 13 shows a cross-sectional view of a socket connector docked with a plug connector, in which the locking head 40 is locked with the shielding plate 76. It should be noted that this third embodiment is based on the patent application No. 201510032016.5 To improve, the improvement points lie in the following three aspects.

Improvement point 1: as shown in Figure 13, the locking member 39 of this embodiment contacts the metal shell 16 laterally to establish a grounding path, and the shielding plate 76 can extend laterally to contact the ring-shaped grounding member (as shown in the position of the B label) or Contacting the metal case (as indicated by the A label) establishes a path to ground, not just through pin 79. In addition, the shielding plate 76 may be provided with a pair of opposite side arms, adjacent to the rear end, respectively contacting the metal housing 16 .

Improvement 2: Figure 14 shows the arrangement of two through-hole pins, the upper part of Figure 14 shows the arrangement of the lower row of terminals in the patent application No. 201510032016.5, and the lower part shows the improved arrangement of the lower row of terminals . In the patent application No. 201510032016.5, in order to ensure that the entire row of terminal pins occupies space on the circuit board, in order to increase the distance between adjacent pins of the same terminal, and at the same time ensure that the terminal pins of the same differential pair are located in the same row; above The terminals in the first row are surface soldering pins located in the same row, and the terminals in the lower row are through-hole pins arranged in two rows. The pins of the two pairs of differential pair signal terminals are located in the same row, and the pins of the D+ and D- terminals Located on another row. In this embodiment, among the pins of the lower row of terminals, the pins of the two differential pair signal terminals are located in different rows, and the pins of the D+ and D- terminals are also located in different rows. The pins of the upper row of terminals in this embodiment It can also be through-hole pins arranged in two rows, which can be arranged in the same way as the lower row of terminals, or can be arranged in mirror image symmetry, so that the outermost grounding terminals of the upper and lower rows of terminals can be arranged more closely together , so, or can share the same through-hole on the circuit board, or two ground terminals into one, or mechanically and electrically connect a common ground bar. In order to enhance the grounding effect, the legs of these grounding terminals can be widened laterally. It should be noted that, in order to ensure the positioning of the pins of the lower row of terminals, the lower body is provided with an inclined structure surrounding the pins. The shielding plate may be provided with a pair of elastic arms connected to the ground terminal.

Improvement point three: Figures 15-16 are partial enlarged views of Figure 13. The socket connector 150 is provided with a pair of switch terminals 181, 182. When no corresponding plug connector is inserted, that is, when it is in the initial state, the pair of switch terminals 181 , 182 are separated from each other, or when other types of plug connectors 152 are inserted, the other types of plug connectors have recesses 154 that can accommodate switch terminals, so the pair of switch terminals will not be touched when plugged in, as shown in Figure 15 ; As shown in FIG. 16, when the corresponding plug connector 156 is inserted, it actuates the switch terminal.

17-18 show the socket connector 200 of the fourth embodiment. The metal grounding member 264 of this embodiment is further provided with a fixing plate 268 extending backward from the annular portion 266, and the fixing plate is fixed on the slit of the upper body 272. Inside 270 , the annular portion 266 is provided with a plurality of elastic pieces 274 , and the plurality of elastic pieces 274 are formed by tearing from the front edge of the annular portion for mechanically and electrically connecting the corresponding ground terminals 276 .

19-23 show the receptacle connector 300 of the fifth embodiment, the main difference is that the shielding plate 376 further includes an auxiliary plate 378 stacked thereon. The shielding plate 376 is integrally formed with two protruding portions 380 protruding forward, and the corresponding grounding terminals 382 are exposed on the lower surface of the mating tongue plate 384. These grounding terminals are relatively short and their front ends are mechanically and electrically connected to the protruding portions 380. , Therefore, the protruding portion 380 serves as a contact portion of the ground terminals. The ground terminal 382 can also be connected to other parts of the shielding plate 376 . Similarly, another pair of protrusions 386 are integrally formed on the auxiliary plate 378, and the pair of protrusions extend upwards and are exposed on the upper surface of the mating tongue plate 384, and are in contact with the ground terminals of the upper row of terminals, thereby becoming the upper row of terminals The ground terminal contact part in. The shielding plate 376 and the auxiliary plate 378 can be one-piece, and can form upper and lower protrusions.

The above-mentioned embodiments are preferred implementation modes of the present utility model. Rather than all implementation modes, any equivalent changes to the technical solution of the utility model adopted by persons of ordinary skill in the art by reading the description of the utility model are covered by the claims of the utility model.

Claims (11)

1. a socket connector, it comprises insulating body, terminal, earthing member and metal shell; The docking hyoplastron that described insulating body comprises base portion and extends forward, docking hyoplastron has two relative surfaces, described terminal comprises the contact site being arranged in docking hyoplastron two apparent surfaces, and described metal shell surrounds docking hyoplastron and forms docking chamber between; It is characterized in that: two apparent surfaces of described docking hyoplastron are provided with stage portion at the root of adjacent base, and described earthing member is coated on outside stage portion; Be provided with shield in described docking hyoplastron, the terminal of docking hyoplastron two apparent surfaces is isolated from each other by shield.

2. socket connector as claimed in claim 1, is characterized in that: described earthing member is provided with for machinery and the plural shell fragment being electrically connected the earth terminal in above-mentioned terminal.

3. socket connector as claimed in claim 2, is characterized in that: above-mentioned ground strip comprises the annulus surrounding stage portion, and above-mentioned plural shell fragment tears formation from the leading edge of described annulus.

4. pin connector as claimed in claim 1, is characterized in that: described shield horizontal expansion and contact earthing member.

5. the socket connector as described in claim 1,2 or 4, is characterized in that: described socket connector is provided with pair of switch terminals, and whether be used for detecting has pin connector to insert.

6. socket connector as claimed in claim 1, it is characterized in that: described shield is formed with two protuberances, shorter and its front end robot of earth terminal in above-mentioned terminal and be electrically connected aforementioned protuberance, said protuberance serves as the contact site of these earth terminals.

7. socket connector as claimed in claim 6, it is characterized in that: described socket connector comprises the accessory plate stacking with described shield, described accessory plate is integrally formed other a pair protuberance.

8. socket connector as claimed in claim 1, is characterized in that: described shield arranges the elastic arm of the earth terminal in the above-mentioned terminal of a pair connection.

9. socket connector as claimed in claim 1, it is characterized in that: described terminal comprises row's terminal and lower row's terminal, described upper row's terminal has the surface soldered type pin being positioned at same row, described lower row's terminal has the through hole pin being arranged in two rows, the pin of the two pairs of differential pair signal terminals included in described terminal is positioned at same row, and the pin of D+, D-terminal included in described terminal is positioned at an other row.

10. a socket connector, it comprises insulating body, terminal, earthing member and metal shell; The docking hyoplastron that described insulating body comprises base portion and extends forward, docking hyoplastron has two relative surfaces, and described terminal comprises the contact site being arranged in docking hyoplastron two apparent surfaces; It is characterized in that: two apparent surfaces of described docking hyoplastron are provided with stage portion at the root of adjacent base, and described earthing member is coated on outside stage portion; Be provided with shield in described docking hyoplastron, the terminal of docking hyoplastron two apparent surfaces is isolated from each other by shield; Described earthing member is provided with plural shell fragment, these shell fragment machineries and the earth terminal be electrically connected in above-mentioned terminal.

11. 1 kinds of socket connectors, it comprises insulating body, terminal, earthing member and metal shell; The docking hyoplastron that described insulating body comprises base portion and extends forward, docking hyoplastron has two relative surfaces, and described terminal comprises the contact site being arranged in docking hyoplastron two apparent surfaces; Described metal shell surrounds docking hyoplastron and forms docking chamber between; It is characterized in that: two apparent surfaces of described docking hyoplastron are provided with stage portion at the root of adjacent base, and described earthing member is coated on outside stage portion; Be provided with shield in described docking hyoplastron, the terminal of docking hyoplastron two apparent surfaces is isolated from each other by shield; Described shield horizontal expansion and contact earthing member or contacting metal housing, sets up grounding path.