TWI603550B - Receptacle connector - Google Patents

Description

Socket connector

The present invention is directed to a receptacle connector.

U.S. Patent Application Publication No. 20130095702A1 discloses a two-way plug connector having a plug connector having opposing upper and lower surfaces, the plurality of conductive terminals being disposed on the upper and lower surfaces. The conductive terminals exposed to the upper and lower surfaces are symmetrically spaced apart from each other, and the shape of the plug connector is substantially 180 degrees symmetric so that it can be inserted into the corresponding receptacle connector in the forward and reverse directions.

However, the socket connector or the inside of the electronic device needs to be provided with a switching circuit to detect whether the plug connector is inserted in the forward direction or reversely inserted, thereby starting the corresponding subsequent program. The more the terminals of the connector, the more complicated the switching circuit, and thus, the trend is not met. At the same time, the plug connector is an exposed plug, and there is still the possibility of plugging damage in actual use.

A new type of plug connector emerges, which can be inserted into the socket connector in both forward and reverse directions, and the two connectors can transmit high frequency signals. After continuous technical development, new plug connectors and The socket connector prevents electromagnetic interference and radio frequency interference, and provides a socket connector different from the previous one in order to expand the application range of the connector.

Therefore, it is desirable to design a new solution to solve the above technical problems.

The object to be achieved by the present invention is to provide a socket connector that has a good shielding effect.

In order to solve the above technical problem, the present invention provides a socket connector including a terminal module and a metal casing, the terminal module including a rear base, a butt tongue extending forward from the rear base, and two rows The terminal and the shielding plate have opposite surfaces, and the two rows of terminals include a contact portion disposed on the two surfaces of the mating tongue and a pin extending from the rear base. The shielding plate is disposed between the two surfaces of the abutting tongue. The metal housing includes an abutment that surrounds the butt tongue to form a docking cavity.

Compared with the prior art, the present invention has the following effects: The shielding plate of the present invention has multiple functions.

105, 106, 107, 108‧‧‧ circuit boards

110, 510, 700, 800‧‧‧ socket connectors

118, 522, 758, 820‧‧ ‧ shielding board

111, 709, 802‧‧‧ Terminal Module

1112, 533, 8021‧‧‧ docking tongue

1113, 8022‧‧ ‧ base

1114‧‧‧ corner

112, 512, 730, 810 ‧ ‧ ontology

Ontology in 116, 520, 760, 818‧‧

1061, 1081‧‧ ‧ gap

120, 516, 740, 814‧‧‧ ontology

127, 532‧‧‧ docking chamber

126, 530, 710, 804‧‧‧ metal casing

126a, 803‧‧‧ docking department

128‧‧‧Flexible arm

130, 534, 805 ‧ ‧ back cover

130a, 8051, 8481‧‧‧ top wall

132, 1382, 8052‧‧‧ side wall

134, 8053‧‧ ‧ upper back wall

135, 8452‧‧ ‧ openings

138, 540, 750, 848 ‧ ‧ metal cover

137, 542‧‧‧Second circuit board mounting feet

1381‧‧‧上壁

139, 536‧‧‧First board mounting feet

141, 846‧‧ ‧ raised parts

1411, 8461‧‧‧ first

1412, 8462‧‧‧ second

1413, 8463‧‧‧Fold

514, 812‧‧‧ upper terminal

515, 519, 8202, 8122, 8162‧‧‧ feet

518, 816‧‧‧ lower terminal

524, 8201‧‧‧ lock side edges

526, 720‧‧‧ Grounding parts

8054, 844‧‧‧ board mounting feet

806‧‧ ‧ shadow gap

1051‧‧‧Line gasket

1052, 1054‧‧ hole

712‧‧‧ front edge

714‧‧‧Flexible arm

715‧‧‧ bumps

7201‧‧‧ both ends

7221‧‧‧Flakes

7222‧‧‧ bumps

722‧‧‧ fixed plate

732, 742‧‧‧ protective ribs

734‧‧‧Contacts

7341‧‧‧ front end

752‧‧‧ dent

7582‧‧‧ first opening

7581‧‧‧ second opening

762‧‧‧Assembled Column

763‧‧‧ Widening Department

1 is a perspective view of a socket connector of a first embodiment of the present invention mounted on a circuit board; the second diagram is a perspective view of the first socket connector and the circuit board separated from each other; and the third diagram is a socket connector of the first diagram The fourth drawing is a perspective view of the socket connector of the second embodiment of the present invention installed on the circuit board; the fifth drawing is a perspective view of the fourth angle of the fourth embodiment; and the sixth figure is a partially disassembled perspective view of the fourth figure. 7 is an exploded perspective view of the socket connector of the sixth diagram; the eighth diagram is an exploded perspective view of the terminal module of the seventh diagram; and the ninth diagram is the socket connector of the third embodiment of the present invention mounted on the circuit board. The tenth figure is a perspective view of another angle of the ninth figure; the eleventh figure is a perspective view of the other angle of the ninth figure; the twelfth figure is the perspective view of the eleventh figure of the socket connector separated from the circuit board; The three figures are the exploded view of the socket connector of the ninth diagram; the fourteenth figure is the perspective exploded view of the other angle of the thirteenth figure, wherein the grounding member is disassembled from the terminal module; the fifteenth figure is the thirteenth An exploded view of the terminal module; Figure 6 is a perspective view of another angle of the fifteenth figure; the seventeenth figure is a further exploded perspective view of the fifteenth figure; the eighteenth figure is a sectional view of the ninth figure along the dotted line XVIII-XVIII; A perspective view of a socket connector of a fourth embodiment of the invention mounted on a circuit board, wherein the socket connector and the circuit board only display the left half, the right half is cut away to clearly show the internal structure; and the twentieth figure is the socket of the nineteenth diagram An exploded view of the connector; a twenty-first figure is an exploded perspective view of the terminal module of the twenty-first figure; a twenty-second figure is a partial enlarged view of the nineteenth figure; and a twenty-third figure is a grounding piece and A perspective view of the shield.

The company applied for a patent application No. 104103354 on February 2, 2015, the socket connector including an insulative body, a terminal, a grounding member and a metal casing. The insulative housing comprises a rear base and a forwardly extending abutment tongue, the butt tongue has two opposite surfaces, the terminal comprises a contact portion and a pin arranged on two opposite surfaces of the abutment tongue, and the metal shell surrounds the butt tongue A docking chamber is formed between the two. The opposite surfaces of the butt tongue are provided with a step at a root adjacent to the base, and the grounding member is wrapped around the outside of the step. A shielding plate is disposed in the butt tongue, and the shielding plate isolates the terminals of the opposite surfaces of the butting tongue from each other. The terminal and the insulating body form a terminal module. The plug connector has a latch member that is held at a side edge of the shield plate. The present invention is mainly directed to the improvement of the socket connector and the plug connector shown in the first to the fourteenth drawings of the above patent application. Therefore, the present invention is not described for the previously described structure or the same structure. Please refer to the above patent application. description of.

The first to third figures show the electrical connector of the first embodiment of the present invention. The electrical connector is a receptacle connector 110 mounted in a notch 1061 of the circuit board 106. The receptacle connector 110 includes a terminal module 111 and a metal. Housing 126 and metal cover 138. The terminal module 111 is formed by vertically stacking and assembling an upper body 112 provided with an upper terminal, a middle body 116 provided with a shielding plate 118, and a lower body 120 provided with a lower terminal. After assembly, the terminal module 111 includes The forwardly extending butt tongues 1112 and rear base 1113, extending forwardly herein, indicate that the butt tongues 1112 extend in the mating direction, and the invention is not limited to the specific embodiment. The capsule abutting portion 126a of the metal casing 126 surrounds the butt tongue plate 1112 to form a mating cavity 127. The upper and lower wall faces of the abutting portion 126a are formed with two pairs of elastic arms 128 for mating with the mating plug connectors. The rear cover portion 130 of the metal housing 126 has an inverted U-shaped configuration including a top wall 130a, a pair of side walls 132, and an upper rear wall 134 covering the corresponding portions of the rear base 1113. The metal cover 138 is disposed above the abutting portion 126a. The metal cover 138 includes a pair of side walls 1382 attached to the upper wall 1381 and the corresponding side wall of the corresponding upper wall of the abutting portion 126a, and is generally fixed to the abutting portion 126a by welding, and at the same time, the metal The cover 138 includes a pair of first circuit board mounting feet 139 and a pair of second circuit board mounting feet 137 located behind the side walls 1382, the first circuit board mounting feet 139 and the side walls 1382 being separated from each other. The upper wall 1381 of the metal cover 138 covers the opening 135 forming the elastic arm 128, thereby achieving a better shielding effect, and also has a waterproof function. The two sides of the rear edge of the metal cover 138 respectively extend with a convex portion 141. It can be seen that the rear cover portion 130 covers the top surface, the side surface and the rear surface of the rear base portion 1113 above the circuit board 106 to provide a complete shielding effect. The raised portion 141 covers the upper body 112 of the terminal module 111 At the corner, the protrusion 141 has a first portion 1411 extending in the front-rear direction, a second portion 1412 extending downward and a bent piece 1413 extending inwardly, and a second circuit board mounting leg 137 from the second portion 1412 Formed by continuing to extend the bend downward, the bent piece 1413 shields the corner 1114 of the front end surface of the rear base portion 1113 of the terminal module 111, contributing to providing a further shielding effect. The shield plate 118 has a latch side edge.

The fourth to eighth figures show the receptacle connector 800 of the second embodiment mounted on the circuit board 108 by a metal cover 848. The receptacle connector 800 includes a terminal module 802, a metal housing 804, and a metal cover 848. The terminal module 802 includes an upper body 810 provided with an upper terminal 812, a lower body 814 provided with a lower terminal 816, and a middle body 818 provided with a shielding plate 820. The upper terminal is embedded in the upper body 810 by an injection molding method. The shielding plate 820 is embedded in the middle body 818, the lower terminal is embedded in the lower body 814 by injection molding, the upper, middle and lower bodies 810, 818, 814 are stacked to form the terminal module 802, and the terminal module 802 is replaced by the metal casing 804. Surrounded therein, the terminal module 802 is formed with a forwardly extending butt tongue 8021 and a rear base 8022. The docking tongue 8021 is formed by the middle body 818, and the rear base 8022 is formed by stacking the upper and lower bodies 810, 814. The contact portions of the upper and lower terminals 812, 816 are exposed on two opposite surfaces of the mating tongue 8021. The annular ground plate (not shown) surrounds the root of the butt tongue 8021, and the upper and lower terminals 812, 816 are paired. The corners are arranged symmetrically to allow the corresponding plug connector to be inserted into the receptacle connector 800 in both forward and reverse directions. As can be seen from the drawing, the butt tongue 8021 of the sinker type receptacle connector 800 sinks within the notch 1081 of the circuit board 108, while the rear base 8022 is primarily above the circuit board 108. The shielding plate 820 has a locking side edge 8201 for the corresponding plug connector to be docked. More importantly, the upper and lower terminals 812, 816 and the shielding plate 820 of the present embodiment are both surface soldering type pins 8122, 8162, 8202, and different from the through-hole type pins of the prior application, thus, the circuit board 108 On the top, there is no need to provide a through hole, or reduce the setting of the through hole, and the magnetic flux leakage phenomenon can be reduced. It can be understood that the surface soldering type pins 8122 and 8162 of the upper and lower terminals 812 and 816 are staggered with each other. It is convenient to detect and arrange the circuit board wiring.

The metal casing 804 includes a bladder-shaped abutting portion 803 and a rear cover portion 805. The rear cover portion 805 is formed by bending and extending from the rear edge of the upper wall of the butting portion 803. The function of the abutting portion 803 is to form a docking cavity by surrounding the butting tongue 8021. The rear edge of the abutting portion 803 is pressed against the front end of the rear base portion 8022, and the rear cover portion 805 is attached to the rear base portion 8022 of the terminal module 802. The portion 805 includes a top wall 8051 covering the corresponding portion of the rear base 8022, two side walls 8052 and an upper rear wall 8053. The rear end of the side wall 8052 continues downwardly from the board mounting leg 8054. As can be seen from the drawing, the back cover The portion 805 and the rear base 8022 are substantially matched in shape, so that the portion of the terminal module 802 rear base portion 8022 located above the circuit board 108 is completely shielded. To a good shielding effect, at the same time, the two corners of the front end surface of the rear base 8022 are higher than the opposite base plate 8021 by the rear base portion 8022, and the corners of the front end surface are not shielded by the rear cover portion 805, thereby forming a shielding gap 806.

In addition to providing the function of mounting the receptacle connector 800 to the circuit board 108, the metal cover 848 provides the effect of reducing electromagnetic interference. The metal cover 848 includes a top wall 8481 and a pair of raised portions 846. The top wall 8481 is welded over the abutting portion 803 of the metal casing 804, and a pair of circuit board mounting legs 844 are downward from both ends of the top wall 8481. It is formed by bending to be inserted into the circuit board 108. The top wall 8481 is provided with an opening 8452 at a position where the corresponding abutting portion 803 is provided with a resilient arm. The metal cover 848 is further provided with the above-mentioned convex portion 846 at the corner of its rear edge. The boss portion 846 has a first portion 8461 extending in the front-rear direction, a second portion 8462 extending downward, and a bent piece 8463. The bent piece 8463 is bent inward from the second portion 8462. The raised portion 846 can shield the occlusion gap 806 between the abutting portion 803 and the back cover portion 805. The first portion 8461 is attached to the top wall 8051 of the rear cover portion 805, and the second portion 8462 is attached to the side wall 8052 of the rear cover portion 805. The first and second portions 8461 and 8462 constitute a back cover from the shielding effect. The extending portion of the top wall 8051 and the side wall 8052 of the portion 805 can simultaneously form the above-mentioned bent piece 8463. The first portion 8461 and the bent piece 8463 are mainly covered at two corners of the front end surface of the rear base portion 8022 of the terminal module 802. . It should be noted that the protruding portion 846 is not located tightly on the outer side of the metal casing 804 or the terminal module (ie, the insulative housing) 802, and the terminal module 802 is mainly disposed in the directions of the upper, lower, front and rear, and left and right planes. Shading, it can be used as a shielding effect, mainly for the convenience of manufacturing.

The ninth to eighteenth views show the electrical connector of the third embodiment, which is a receptacle connector 510 detachably mounted on the circuit board 105. The socket connector 510 includes an upper body 512 provided with an upper terminal 514, a lower body 516 provided with a lower terminal 518, and a middle body 520 provided with a shielding plate 522 having a pair of locking side edges 524 for The latching members of the plug connector are held together. An annular metal grounding member 526 surrounds the upper, middle, and lower bodies 512, 520, 516. The two rows of terminals 514, 518 of the present embodiment each include elastic crimping pins 515, 519. When the socket connector 510 is mounted on the circuit board 105, the pins 515, 519 are elastically deformed and crimped to the corresponding circuit board. Line gasket 1051. The metal housing 530 surrounds the terminal module formed by the upper, middle and lower bodies 512, 520, 516, and defines a capsule-shaped docking cavity 532. The butt tongue 533 extending from the middle body 520 is received in the docking cavity 532. Inside. The metal housing 530 includes a rear cover portion 534 extending from both sides of the rear cover portion 534 to the first circuit board mounting leg 536, and each of the first circuit board mounting legs 536 is two hook legs that are independent of each other and face in opposite directions. Thus, the first circuit board mounting leg 536 is inserted into the corresponding hole 1052 of the circuit board 105 by elastic deformation. One The metal cover 540 is secured to the metal housing 530, which is soldered under the metal housing 530 for supporting the entire receptacle connector 510 on the circuit board 105. The metal cover 540 includes a pair of second circuit board mounting legs 542, and the second circuit board mounting feet 542 are also two hooks that are independent of each other and face in opposite directions, such that each second circuit board mounting leg 542 is also squeezed The pressures are close to each other and inserted into the corresponding holes 1054 of the circuit board 105. Thus, through the board mounting feet 536, 542, the entire socket connector 510 is detachably mounted on the circuit board 105, wherein the pins 515 of the upper terminal 514 and the pins 519 of the lower terminal 518 elastically press against the circuit board. Shim 1051. Referring to Fig. 17, the pins 515, 519 of the upper and lower terminals 514, 518 are arcuately bent structures facing forward.

The nineteenth through twenty-thirdth views show the electrical connector of the fourth embodiment, which is a receptacle connector 700 that is mounted in the cutout of the circuit board 107. The receptacle connector 700 includes a terminal module 709 and a metal housing 710 having a flared front edge 712 for facilitating insertion of a corresponding plug connector. This embodiment shows only half of the socket connector 700, and its main structure is substantially the same as that of the previous embodiment. The differences will be mainly described below. The lower wall of the metal casing 710 is provided with a resilient arm 714. The end of the elastic arm 714 is enlarged and has a punching bump 715. The metal cover 750 fixed under the metal casing 710 is correspondingly provided with a recess 752, which is inserted in the plug connector. Providing an elastic deformation space outwardly of the elastic arm 714, the recess 752 is a recessed space formed by the metal cover 750 from the inside to the outside but not broken, so that both the elastic deformation space and the full shielding effect can be provided, that is, The metal housing 710 of the receptacle connector 700 is not left with a magnetic flux leakage hole. The terminal module 709 is formed by stacking an upper body 730 provided with an upper terminal, a middle body 760 provided with a shielding plate 758, and a lower body 740 provided with a lower terminal (not shown). The upper body 730 is provided with a laterally protruding protective rib 732 on the outer side of the outermost terminal, and the lower body 740 also forms a similar protective rib 742 for protecting the contact portion 734 of the outermost terminal of the upper and lower terminals. The middle body 760 is provided with a widening portion 763, and the annular grounding member 720 is just blocked on the rear side of the widening portion 763. The rear portion of the middle body 760 is provided with a vertically extending assembly column 762 for facilitating the upper and lower bodies 730 and 740. Assembly. Referring to the twenty-second figure, the half width of the front end 7341 of the contact portion 734 of the upper terminal is pressed into the middle body 760 or the butt tongue for holding, and the lower terminal has the same contact structure. As such, this allows the upper and lower bodies 730, 740 to be assembled in the middle body 760, which must be tilted and assembled, rather than pure up and down vertical assembly. In addition, referring to the twenty-third figure, the lateral ends 7201 of the annular grounding member 720 are tightly clamped (inwardly pressed or tapped by the jig) to be tightly clamped on the middle body 760 after assembly. The fixing plate 722 extending rearward of the annular grounding member 720 is split into two sheet portions 7221, and each of the sheet portions 7221 has a projection 7222 for providing elasticity of the fixing plate. The shielding plate 758 has a different The first and second openings 7581 and 7582 of the shape are used to ensure the flow of the plastic during the injection molding. A first opening 7582 is located substantially at the middle of the shielding plate 758 and has a larger size, and the other two second openings 7581 Then located on both sides of the first opening 7582 and in front of the first opening 7582, the second opening 7581 is inclined.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. Equivalent modifications or variations made by those skilled in the art in the spirit of the present invention are still included in the scope of the appended claims.

105‧‧‧Circuit board

515, 519‧‧‧ feet

522‧‧‧Shielding board

526‧‧‧ Grounding parts

530‧‧‧Metal housing

536‧‧‧First board mounting feet

540‧‧‧metal cover

Claims (14)

A socket connector includes a terminal module and a metal casing, wherein the terminal module includes a rear base, a butt tongue extending forward from the rear base, two rows of terminals, and a shielding plate, the docking tongue having Opposite two surfaces, the two rows of terminals including a contact portion disposed on the two surfaces of the mating tongue and a pin extending from the rear base; the shielding plate is disposed on both surfaces of the butt tongue The metal housing includes an abutting portion that surrounds the butt tongue to form a docking cavity, and the shielding plate has a latching side edge that is engaged with a plug connector. The socket connector of claim 1, wherein the pins of the two rows of terminals are of a crimp type. The socket connector of claim 2, wherein the metal housing comprises a back cover portion wrapped around the rear base, the rear cover portion extending out of the first circuit board mounting foot, each first circuit The board mounting feet are two hooks that are independent of each other and face in opposite directions; the socket connector includes a metal cover at the metal housing abutting portion, the metal cover is provided with a second circuit board mounting foot, and each second circuit The board mounting feet are two hook legs that are independent of each other and face in opposite directions. The socket connector of claim 1, wherein the socket connector comprises a metal cover located at a metal housing abutting portion, the metal housing is provided with a resilient arm, and the metal cover is correspondingly provided with a supply The recess of the elastic arm outwardly deforming the space, the recess is a recessed space formed by the metal cover stamped from the inside but not broken. The receptacle connector of claim 4, wherein the end of the resilient arm is enlarged and has a breakout bump. The socket connector of claim 1, wherein the terminal module is formed by stacking an upper body provided with an upper terminal, a middle body provided with a shielding plate, and a lower body provided with a lower terminal, wherein The upper body is provided with laterally protruding protective ribs on the outer side of the outermost upper terminal, and the lower body is also provided with laterally protruding protective ribs on the outer side of the outermost lower terminal. The socket connector of claim 6, wherein the butt tongue extends from the middle body, a grounding member covers the butting tongue; the middle body is provided with a widening portion, and the grounding member is Blocking on the back side of the widened portion. The socket connector of claim 1, wherein the terminal module is formed by stacking an upper body provided with an upper terminal, a middle body provided with a shielding plate, and a lower body provided with a lower terminal; wherein The half width of the front end of the contact portion of the upper terminal is pressed into the center body, and the half width of the front end of the contact portion of the lower terminal is also pressed into the center body. The socket connector of claim 1, wherein the shielding plate has a first opening and two second openings of different shapes, the first opening is located at a middle position of the shielding plate and has a larger size, the second opening Then located on both sides of the first opening and in front of the first opening, the second opening is inclined. The socket connector of claim 1, wherein a rear end of the butt tongue is covered with a grounding member, the grounding member extends rearwardly out of the fixing plate, and the fixing plate is split into two sheets. unit. The socket connector of claim 1, wherein the butt tongue sleeve is provided with a one-piece annular grounding member. The socket connector of claim 11, wherein the grounding member extends rearwardly out of the fixing plate, and the lateral ends of the annular grounding member are recessed inward. The receptacle connector of claim 1, wherein the metal housing has a flared front edge. The socket connector of claim 1, wherein the socket connector comprises a metal cover welded over the metal housing, the metal housing having a rear cover extending rearward from the mating portion The back cover portion covers the upper side and the two sides of the rear base portion, and the metal cover is provided with a bent piece covering the front end surface of the rear base portion at two corners of the front end of the rear base portion.