Socket connector

Abstract

This invention relates to a socket connector, comprising an insulating body, a plurality of socket terminals, and a shielding shell; the insulating body includes a base and a tongue, the tongue extending outward from one side of the base; the plurality of socket terminals are disposed on the upper surface of the base and the tongue or on the lower surface of the tongue; and the shielding shell includes a receiving groove, the insulating body is disposed in the receiving groove, one end of the shielding shell has a plug interface, and the other end of the shielding shell extends an inwardly bent stop wall that extends to the surface of the base; when the plug connector is inserted into the receiving groove, the end of the plug connector contacts the stop wall to prevent the insulating body from being impacted.

Description

Technical Field

[0001] This invention relates to a socket electrical connector. Background Technology

[0002] Electrical connectors come in a wide variety of transmission interface specifications, such as HDMI or Universal Serial Bus (USB). USB has gradually become more widely used and has evolved from the USB 2.0 transmission specification to the current USB 3.0 transmission specification, which offers even faster transmission speeds.

[0003] The appearance, structure, terminal contact method, number of terminals, pitch of each terminal, and pin assignment of existing USB Type-C connectors are all completely different from those of current USB connectors. Current USB Type-C receptacle connectors contain multiple flat terminals mounted on a plastic core, which is covered by an outer metal shell. When the Type-C receptacle connector and the Type-C plug connector are mated, the locking point of the Type-C plug connector is the plastic core inside the Type-C receptacle connector. When the plastic core is subjected to excessive impact force or too many impacts, the SMT solder pads of the multiple flat terminals on the plastic core are easily detached from the solder joints on the circuit board (board detachment), thus affecting the product's conductivity. Summary of the Invention

[0004] This invention provides a socket connector, comprising an insulating body, a plurality of socket terminals, and a shielding housing; the insulating body includes a base and a tongue, the tongue extending outward from one side of the base; the plurality of socket terminals are disposed on the upper surface of the base and the tongue or on the lower surface of the tongue; and the shielding housing includes a receiving groove, the insulating body is disposed in the receiving groove, one end of the shielding housing has a plug-in interface, and the other end of the shielding housing extends an inwardly bent stop wall extending to the surface of the base; wherein, when the plug connector is inserted into the receiving groove, the end of the plug connector contacts the stop wall.

[0005] In some embodiments, the base includes a raised step and a rear seat formed on the other side of the raised step, with a stop wall extending vertically to the surface of the rear seat.

[0006] In some embodiments, the surface of the step and the surface of the rear seat are substantially the same horizontal plane.

[0007] In some embodiments, the thickness of the step portion is greater than the thickness of the tongue piece, and the width of the rear seat is greater than the width of the step portion.

[0008] In some embodiments, an insertion space is formed between the surface of the raised step and the inner side of the shielding housing.

[0009] In some embodiments, the other end of the shielding housing includes an extension extending outward from the end of the stop wall, the extension abutting against the surface of the rear seat.

[0010] In some embodiments, the extension at the other end of the shielding housing is a narrowed frame structure, the inner diameter of which is smaller than the inner diameter of the insertion interface.

[0011] In some embodiments, the tongue protrudes outside the insertion interface or is located inside the receiving groove.

[0012] In some embodiments, a cover plate is further included, which covers the outside of the shielding housing.

[0013] In some embodiments, the plug connector includes an insulating body and a housing covering the outside of the insulating body, with the ends of the insulating body contacting the ends of the housing via stop walls.

[0014] One embodiment of the present invention provides a stop wall. When the plug connector is inserted into the receiving groove, the end of the plug connector contacts the stop wall, and the shielding shell (iron shell material) contacts the plug connector. When the plug connector is inserted to the bottom of the receiving groove, the force is distributed to the shielding shell to avoid the insulating body being impacted and to ensure that the multiple socket terminals on the insulating body are not squeezed or deformed. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the appearance of an embodiment of the present invention.

[0016] Figure 2 This is an exploded view (a) of an embodiment of the present invention.

[0017] Figure 3 This is an exploded view (II) of an embodiment of the present invention.

[0018] Figure 4 This is an exploded view of a plurality of socket terminals according to an embodiment of the present invention.

[0019] Figure 5 This is a top view schematic diagram of a plurality of socket terminals according to an embodiment of the present invention.

[0020] Figure 6 This is a side cross-sectional schematic diagram of an embodiment of the present invention.

[0021] Figure 7 This is a three-dimensional cross-sectional schematic diagram of an embodiment of the present invention.

[0022] Figure 8 This is a side cross-sectional schematic diagram of another embodiment of the shielding housing of the present invention.

[0023] Figure 9 This is a side view schematic diagram of the present invention docking with a plug and electrical connector.

[0024] Figure 10 This is a three-dimensional schematic diagram of the present invention docking with a plug and electrical connector.

[0025] Figure 11 This is a three-dimensional schematic diagram of the contact section between the tongue of the present invention and the plurality of socket terminals.

[0026] Figure 12 This is a schematic diagram of the external appearance of the insulating body of the present invention.

[0027] Figure 13 This is a schematic diagram of the grounding plate and the hook fastening of the present invention.

[0028] Figure 14 This is a schematic diagram of the appearance of another embodiment of the grounding plate of the present invention.

[0029] Symbol Explanation

[0030] 100................... Socket connector

[0031] 200................... Socket terminal

[0032] 1..................... Insulation body

[0033] 10.................... Base

[0034] 11.................... Raised Steps

[0035] 12................... Tongue slices

[0036] 13.................... Back seat

[0037] 14.................... Entire row of coverage area

[0038] 141................... Separating part

[0039] 15.................... Fixed block

[0040] 151................... Stop

[0041] 2..................... First flat terminal

[0042] 21.................... First Flat Panel Signal Terminal

[0043] 22.................... First flat panel power terminal

[0044] 23.................... First flat plate grounding terminal

[0045] 24.................... First contact segment

[0046] 25.................... First connecting segment

[0047] 26.................... First welding section

[0048] 29................... Yielding Department

[0049] 3..................... Second flat terminal

[0050] 31.................... Second flat panel signal terminal

[0051] 32.................... Second flat panel power terminal

[0052] 33.................... Second flat plate grounding terminal

[0053] 34.................... Second contact segment

[0054] 35.................... Second connecting segment

[0055] 36.................... Second welding section

[0056] 39................... Yielding Department

[0057] 4..................... Shielding housing

[0058] 40................... Insertion space

[0059] 41.................... Receiving slot

[0060] 42.................... Socket

[0061] 43........................ Stop wall

[0062] 44.................... Extension

[0063] 45.................... Narrowing frame structure

[0064] 6..................... Cover plate

[0065] 7..................... Grounding plate

[0066] 71................... Hook structure

[0067] 711................... Contact arm

[0068] 712............................ Snap-on recess

[0069] 72.................... Through hole

[0070] 721................... Expansion Department

[0071] 74.................... Extension paragraph

[0072] 75.................... Welding foot

[0073] 9..................... Plug and connector

[0074] 9a.................... End

[0075] 91.................... Insulating base

[0076] 92................... Plug terminals

[0077] 923................... Contact terminal

[0078] 94................... Outer shell

[0079] 95.................... Hook

[0080] 99.................... Debris. Detailed Implementation

[0081] Reference Figures 1 to 7 This is one embodiment of the socket electrical connector of the present invention. Figure 1 This is a schematic diagram of the front view of the socket connector 100. Figure 2 An exploded view (a) of the front of the socket connector 100. Figure 3 Exploded view (II) of the back of the socket connector 100 Figure 4 An exploded view of the multiple socket terminals 200. Figure 5 A top view of multiple socket terminals 200 Figure 6 This is a schematic diagram of a side view section. Figure 7 This is a schematic diagram of a three-dimensional cross-section.

[0082] In this embodiment, the socket connector 100 is a USB (Type-C) connection interface, but it is not limited thereto. In some embodiments, the socket connector 100 may be an HDMI connection interface. Here, the USB (Type-C) socket connector 100 will be described, which includes an insulating body 1, a plurality of socket terminals 200, and a shielding shell 4.

[0083] In this embodiment, the insulating body 1 is a flat and elongated plate, which can be composed of multiple parts or a single plastic base. Here, the single insulating body 1 is used as an example. The insulating body 1 includes a base 10 and a tongue 12. The base 10 and the tongue 12 are formed by injection molding. The tongue 12 extends outward from one side of the base 10.

[0084] In this embodiment, a plurality of socket terminals 200 are disposed on the upper surface of the base 10 and the tongue 12 or the lower surface of the tongue 12.

[0085] In this embodiment, the shielding shell 4 is a hollow shell with an internal receiving groove 41. The shielding shell 4 covers the insulating body 1, that is, the insulating body 1 is disposed in the receiving groove 41. One end of the shielding shell 4 has an insertion interface 42 located at the periphery of the tongue 12, and the other end of the shielding shell 4 extends an inwardly bent stop wall 43, which extends to the surface of the base 10. Here, the base 10 includes a raised step 11 and a rear seat 13 formed on the other side of the raised step 11. The tongue 12 extends outward from one side of the raised step 11, and the surface of the raised step 11 and the surface of the rear seat 13 are substantially the same horizontal plane.

[0086] In this embodiment, the stop wall 43 extends vertically to the surface of the rear seat 13 of the adjacent raised step 11. The stop wall 43 and the surface of the rear seat 13 are substantially perpendicular. An insertion space 40 is formed between the surface of the raised step 11 and the inner side of the shielding housing 4. The plug connector 9 is inserted into the insertion space 40 through the insertion interface 42 (e.g., Figure 9 (As shown); There is no insertion space between the base surface of a traditional socket connector and the inner side of the shielding housing. Traditional plug connectors can only be inserted into the base and are blocked by the base.

[0087] Reference Figure 2 , Figure 7 and Figure 9 , Figure 9 This is a side view of the mating of the socket connector 100 and the plug connector 9. In this embodiment, when the plug connector 9 is inserted into the receiving groove 41, the end 9a of the plug connector 9 contacts the stop wall 43, and the shielding shell 4 (made of iron) contacts the plug connector 9. When the plug connector 9 is fully inserted into the receiving groove 41, the force is distributed to the shielding shell 4, preventing the insulating body 1 from being impacted by the plug connector 9, and ensuring that the multiple socket terminals 200 on the insulating body 1 are not squeezed or deformed. This solves the problem of conventional socket connectors using an insulating body (made of plastic) as a shield against the plug connector, which causes the insulating body to be impacted and the multiple socket terminals on the insulating body to be squeezed and deformed.

[0088] In other words, in this embodiment, the stop wall 43 (or anti-reverse surface) of the socket connector 100 is replaced by a shielding shell 4 (metal shell) instead of the conventional insulating body 1 (plastic material). In a conventional socket connector, the stop wall (or anti-reverse surface) provided by the insulating body is used for contact between the plug connector and the socket connector. Here, the plug connector 9 includes an insulating base 91 and a shell 94 covering the outside of the insulating base 91. The end 9a of the insulating base 91 contacts the stop wall 43 with the end 9a of the shell 94.

[0089] In this embodiment, the other end of the shielding housing 4 includes an extension 44 extending outward from the end of the stop wall 43, and the extension 44 abuts against the surface of the rear seat 13. The stop wall 43 and the extension 44 are substantially perpendicular. Furthermore, the extension 44 at the other end of the shielding housing 4 is a narrowed frame structure 45, the inner diameter of which is smaller than the inner diameter of the insertion interface 42, forming a structural shape with different sizes of frame openings at the two ends of the shielding housing 4.

[0090] Reference Figure 1 and Figure 8 , Figure 8This is a side cross-sectional view of another embodiment of the shielding housing 4. In this embodiment, the tongue 12 protrudes outside the insertion interface 42, but this is not a limitation. In some embodiments, the tongue 12 may be located inside the receiving groove 41. In other words, the length of the shielding housing 4 can be shortened to allow the tongue 12 to protrude, or the length of the shielding housing 4 can be extended to allow the tongue 12 to be located inside the receiving groove 41. Since the shielding housing 4 can be varied in length, the applicability to different plug connector 9 specifications is increased (e.g., Figure 9 The plug connector shown is of specification 9, or a shielding shell of different lengths may be used depending on the different electronic product housings being assembled.

[0091] In this embodiment, the socket connector 100 further includes a cover plate 6 covering the shielding housing 4, with grounding plates extending from both sides of the cover plate 6 and soldered to the circuit board. Here, the cover plate 6 and the shielding housing 4 are two pieces, but this is not a limitation; in some embodiments, the cover plate 6 and the shielding housing 4 can be an integral component.

[0092] In this embodiment, the plurality of socket terminals 200 includes a plurality of first flat plate terminals 2, which are located on the base 10 and the tongue 12. Here, the plurality of first flat plate terminals 2 include a plurality of first flat plate signal terminals 21, at least one first flat plate power terminal 22 and at least one first flat plate ground terminal 23, and each first flat plate terminal 2 is disposed on the base 10 and the tongue 12 and located on the upper surface.

[0093] In this embodiment, viewed from the front of the plurality of first flat plate terminals 2, the plurality of first flat plate terminals 2, from left to right, are in the following order: first flat plate ground terminal 23 (Gnd), first flat plate power terminal 22 (Power / VBUS), a pair of first flat plate signal terminals 21 (D+-, differential signal terminal), reserved terminal (RFU), and the rightmost first flat plate ground terminal 23 (Gnd), but not limited thereto.

[0094] In one embodiment, viewed from the front of the plurality of first plate terminals 2, the plurality of first plate terminals 2, from left to right, are, in sequence, a first plate ground terminal 23 (Gnd), a first pair of first plate signal terminals 21 (TX1+-, differential signal terminals), a second pair of first plate signal terminals 21 (D+-, differential signal terminals), a third pair of first plate signal terminals 21 (RX2+-, differential signal terminals), and a first plate power terminal 22 (Power / VBUS), a reserved terminal (RFU), and the rightmost first plate ground terminal 23 (Gnd) between the three pairs of first plate signal terminals 21, which are specified for transmitting USB 3.0 signals.

[0095] Each first flat terminal 2 includes a first contact segment 24, a first connecting segment 25, and a first soldering segment 26. The first connecting segment 25 is disposed on the base 10 and the tongue 12. The first contact segment 24 extends from one side of the first connecting segment 25 and is located on the upper surface of the tongue. The first soldering segment 26 extends from the other side of the first connecting segment 25 and passes through the base 10. A plurality of first flat signal terminals 21 are located on the upper surface of the tongue and transmit a set of first signals (i.e., USB 2.0 signals). A plurality of first soldering segments 26 pass through the rear side of the base 10. The plurality of first soldering segments 26 can be horizontal for use as surface mount technology (SMT) leads, or bent vertically downwards for use as through-hole technology leads.

[0096] In this embodiment, the plurality of socket terminals 200 includes a plurality of second flat terminals 3, which are located on the base 10 and the tongue 12. Here, the plurality of second flat terminals 3 include a plurality of second flat signal terminals 31, at least one second flat power terminal 32 and at least one second flat ground terminal 33, and each second flat terminal 3 is disposed on the base 10 and the tongue 12 and located on the lower surface of the tongue 12.

[0097] In this embodiment, viewed from the front of the plurality of second plate terminals 3, the plurality of second plate terminals 3, from right to left, are in the following order: second plate ground terminal 33 (Gnd), second plate power terminal 32 (Power / VBUS), a pair of second plate signal terminals 31 (D+-, differential signal terminal), reserved terminal (RFU), and the leftmost second plate ground terminal 33 (Gnd), but not limited thereto.

[0098] In one embodiment, viewed from the front of the plurality of second plate terminals 3, the plurality of second plate terminals 3, from right to left, are, in sequence, a second plate ground terminal 33 (Gnd), a first pair of second plate signal terminals 31 (TX2+-, differential signal terminals), a second pair of second plate signal terminals 31 (D+-, differential signal terminals), a third pair of second plate signal terminals 31 (RX1+-, differential signal terminals), and a second plate power terminal 32 (Power / VBUS), a reserved terminal (RFU), and the leftmost second plate ground terminal 33 (Gnd) between the three pairs of second plate signal terminals 31, which are specified for transmitting USB 3.0 signals.

[0099] In this embodiment, a plurality of second flat terminals 3 are located on the base 10 and the tongue 12. Each second flat terminal 3 includes a second contact segment 34, a second connecting segment 35, and a second soldering segment 36. The second connecting segment 35 is disposed on the base 10 and the tongue 12. The second contact segment 34 extends from one side of the second connecting segment 35 and is located on the lower surface of the tongue 12. The second soldering segment 36 extends from the other side of the second connecting segment 35 and passes through the base 10. A plurality of second flat signal terminals 31 are located on the lower surface of the tongue 12 and transmit a set of second signals (i.e., USB 2.0 signals). A plurality of second soldering segments 36 pass through the rear side of the base 10. The plurality of second soldering segments 36 are horizontal and used as surface mount technology (SMT) pins, or the plurality of second soldering segments 36 are bent and extend vertically downwards to be used as through-hole technology pins.

[0100] In this embodiment, as can be seen from the arrangement of the plurality of first plate terminals 2 and the plurality of second plate terminals 3, the plurality of first plate terminals 2 and the plurality of second plate terminals 3 are respectively disposed on the upper surface and the lower surface of the tongue 12, and the plurality of first plate terminals 2 and the plurality of second plate terminals 3 are point-symmetric about the center of symmetry of the receiving groove 41. The so-called point symmetry means that after rotating the plurality of first plate terminals 2 and the plurality of second plate terminals 3 by 180 degrees with the center of symmetry as the center of rotation, the rotated plurality of first plate terminals 2 and the plurality of second plate terminals 3 completely overlap, that is, the rotated plurality of first plate terminals 2 are located in the original arrangement position of the plurality of second plate terminals 3, and the rotated plurality of second plate terminals 3 are located in the original arrangement position of the plurality of first plate terminals 2.

[0101] In other words, the plurality of first flat terminals 2 and the plurality of second flat terminals 3 are reversed vertically, and the arrangement of the plurality of first contact segments 24 is reversed horizontally compared to the arrangement of the plurality of second contact segments 34. The plug connector 9 is inserted into the socket connector 100 in the forward direction to transmit a first signal, and can also be inserted into the socket connector 100 in the reverse direction to transmit a second signal. The transmission specifications of the first signal conform to the transmission specifications of the second signal. This design allows for transmission without restricting the forward or reverse insertion of the plug connector 9 into the socket connector 100.

[0102] In this embodiment, viewed from the front by the plurality of first flat plate terminals 2 and the plurality of second flat plate terminals 3, the arrangement position of the plurality of first flat plate terminals 2 corresponds to the arrangement position of the plurality of second flat plate terminals 3.

[0103] Reference Figure 2 , Figure 4 , Figure 6, Figure 7 , Figures 9 to 12 , Figure 10 This is a three-dimensional schematic diagram of the mating of the socket connector 100 and the plug connector 9. Figure 10 The plug connector 9 in the middle is presented with half of its shape cut off. Figure 11 This is a three-dimensional schematic diagram showing the mating of the tongue and the plug terminal 92. Figure 12 This is a schematic diagram of the appearance of the insulating body 1.

[0104] In this embodiment, the surface of the tongue 12 is provided with a row of covering areas 14 adjacent to the base 10. The thickness of the base 10 is slightly greater than the thickness of the tongue 12. The row of covering areas 14 is located on the tongue 12 of the adjacent base 10. Here, the row of covering areas 14 extends from one side of the tongue 12 to the other side of the tongue 12. That is, the row of covering areas 14 covers the inner surface of the tongue 12. The inner surface of the tongue 12 forms a row of covering areas 14 without the first contact segment 24 and without the second contact segment 34. The row of covering areas 14 is the contact area of ​​the plug terminal 92 of the non-plug electrical connector 9.

[0105] In this embodiment, the plurality of socket terminals 200 include a connecting segment (first connecting segment 25 or second connecting segment 35) disposed on the base 10 and the tongue 12, and a contact segment (first contact segment 24 or second contact segment 34) extending from one side of the connecting segment and located on the upper or lower surface of the tongue 12. Each socket terminal 200 includes a clearance portion 29, 39 located between the contact segment and the connecting segment (e.g., ...). Figure 4 As shown), the entire row of coverage area 14 includes a plurality of partition portions 141 located between each of the clearance portions 29 and between each of the clearance portions 39.

[0106] In this embodiment, the thickness of the socket terminal 200 at each clearance portion 29 and 39 is less than the thickness of the socket terminal 200 at each contact segment (first contact segment 24 or second contact segment 34). Furthermore, each clearance portion 29 and 39 is located between the tongue 12 and the base 10 (e.g., Figure 8 As shown), the clearance portions 29 and 39 of each socket terminal 200 are covered by the entire row of covering areas 14 of the tongue 12. In this embodiment, the thickness of the base 10 is slightly greater than the thickness of the tongue 12, and one end of each clearance portion 29 and 39 of each socket terminal 200 is located inside the base 10.

[0107] In this embodiment, the clearance portion 29 of the first flat ground terminal 23 and the first flat power terminal 22 is larger than the clearance portion 29 of the first flat signal terminal 21. That is, the width of the first flat ground terminal 23 and the first flat power terminal 22 at the clearance portion 29 is larger, while the width of the first contact segment 24 of the first flat signal terminal 21 is the same as the width of the clearance portion 29. Furthermore, the design of each terminal of the second flat terminal 3 is the same.

[0108] In this embodiment, when the plurality of plug terminals 92 of the plug connector 9 contact the plurality of socket terminals 200 of the socket connector 100 respectively, the metal-to-metal friction generates a plurality of debris 99 which falls onto the upper and lower surfaces of the tongues 12 on each of the clearance portions 29, 39. Figure 11 This only refers to the surface above the tongue 12.

[0109] In particular, when multiple socket terminals 200 and multiple plug terminals 92 are in frictional contact, metal debris 99 tends to accumulate in the area between the tongue 12 and the base 10. Therefore, by thinning the thickness of the socket terminals 200 at each of the relief portions 29 and 39, when forming the insulating body 1, a plastic tongue 12 is covered on each of the relief portions 29 and 39, so that the metal debris 99 is on the entire row of covered areas 14.

[0110] To prevent metal debris 99 from accumulating after multiple socket terminals 200 and multiple plug terminals 92 are plugged in or unplugged, which could cause poor withstand voltage between adjacent multiple plug terminals 92 when plug terminals 92 are inserted, or short circuits between multiple plug terminals 92 and multiple socket terminals 200, between multiple plug terminals 92, or between multiple socket terminals 200 due to contact with metal debris 99, that is, short circuits caused by terminals of different properties conducting to each other.

[0111] The area covered by the plastic tongue 12 for the plurality of socket terminals 200 is increased (the coverage area of ​​the entire row of coverage areas 14 is increased), which prevents the contact sections (first contact section 24 or second contact section 34) of the plurality of socket terminals 200 of the socket connector 100 from lifting and protruding from the surface of the tongue 12 after processing and high temperature baking.

[0112] Traditionally, the contact area of ​​multiple socket terminals is located on the entire area of ​​the tongue (without an additional full-row coverage area). The plastic tongue is molded on the contact area of ​​the multiple socket terminals. After thermal expansion and contraction during the manufacturing process, small terminal slots are formed between the plastic and the metal. Conductive debris or water entering the terminal slots can cause poor withstand voltage or short circuits between adjacent multiple socket terminals. This embodiment adds a full-row coverage area 14, avoiding terminal slots in the full-row coverage area 14, preventing conductive debris or water from entering the terminal slots and causing poor withstand voltage or short circuits between adjacent multiple socket terminals 200. Furthermore, without terminal slots obstructing the flow of injected plastic during injection molding, it can effectively improve the phenomenon of incomplete molding during molding and increase the strength of the socket connector 100 product.

[0113] In this embodiment, the socket connector 100 further includes a fixing block 15 (such as...). Figure 2 , Figure 4As shown, the fixing block 15 has comb-end holes distributed on it. When the insulating body 1 is inserted and molded to connect each socket terminal 200 to the fixing block 15, the plastic can overflow from each comb-end hole, allowing the plastic to quickly fill the shape of the insulating body 1, shortening the molding process time. During injection molding, the entire row of covering areas 14 is designed without comb-end holes to avoid the comb-end holes blocking the flow of the injected plastic, which can effectively improve the phenomenon of incomplete molding during molding and increase the strength of the socket connector 100 product.

[0114] In this embodiment, each socket terminal 200 is positioned on the fixing block 15 and combined with the insulating body 1. Here, in the first molding process, each grounding piece 7 is combined with the fixing block 15, and then each socket terminal 200 is placed and positioned on the fixing block 15. Then, in the second molding process, the insulating body 1 is formed on the outside of each socket terminal 200 and the fixing block 15.

[0115] In other words, after long-term plugging and unplugging, metal debris 99 from frictional contact between the multiple socket terminals 200 and the multiple plug terminals 92 in the inner area of ​​the tongue 12 surface of the Type-C socket connector 100 is prone to accumulate. When it accumulates to a certain extent, it may occupy the gap between two adjacent socket terminals 200, causing the adjacent socket terminals 200 to contact, thereby causing poor withstand voltage or even short circuit.

[0116] In this embodiment, the plug connector 9 is inserted into the socket connector 100 and positioned. The plurality of contact ends 923 of the plurality of plug terminals 92 are adjacent to the entire row of coverage areas 14 and maintain a predetermined distance from the entire row of coverage areas 14. After long-term insertion and removal, metal debris 99 is pushed to the position of the entire row of coverage areas 14 by the contact ends 923.

[0117] Reference Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figures 12 to 13 , Figure 13 This is a schematic diagram showing the appearance of the grounding piece 7 and the hook 95 fastening together. In this embodiment, the socket electrical connector 100 includes a plurality of grounding pieces 7. Each grounding piece 7 is disposed on the insulating body 1, and each grounding piece 7 includes a hook structure 71 protruding from both sides of the tongue 12, and a plurality of through holes 72 adjacent to each hook structure 71.

[0118] The plurality of grounding pieces 7 is not limited to this; in some embodiments, the plurality of grounding pieces 7 can be an integral structure, that is, a single grounding piece 7 structure (e.g., Figure 14(As shown). Taking a single grounding piece 7 as an example, the grounding piece 7 is disposed on the insulating body 1. The grounding piece 7 has hook structures 71 protruding from both sides of the tongue piece 12, and a plurality of through holes 72 adjacent to each hook structure 71.

[0119] Taking a single grounding piece 7 as an example, the grounding piece 7 is located between the first flat terminal 2 and the second flat terminal 3. The grounding piece 7 is formed on the insulating body 1 and is located between the plurality of first contact segments 24 and the plurality of second contact segments 34. By lengthening and widening the area of ​​the grounding piece 7, the front end of the grounding piece 7 is positioned adjacent to the front side of the tongue 12, and the two sides of the front end of the grounding piece 7 protrude from the sides of the tongue 12, providing contact for the plug connector 100. Moreover, the grounding piece 7 is arranged on the tongue 12 to improve the strength and shielding effect of the tongue 12. In other words, the function of the grounding piece 7 is to improve the problem of crosstalk signal interference by isolating the plurality of first contact segments 24 and the plurality of second contact segments 34 when transmitting signals. At the same time, the grounding piece 7 can also improve the structural strength of the tongue 12 by being located on the tongue 12.

[0120] In this embodiment, a plurality of hook structures 71 are formed on the outer side of each grounding piece 7, and each hook structure 71 protrudes from both sides of the front end of the tongue piece 12. When the plug connector 9 is inserted into the socket connector 100, the hooks 95 on both sides of the plug connector 9 will respectively engage with each hook structure 71, which can prevent the hooks 95 on both sides of the plug connector 9 from rubbing against the sides of the tongue piece 12 and causing wear on the tongue piece 12.

[0121] In this embodiment, the fixing block 15 has a plurality of stops 151 protruding outward and clamping both sides of each socket terminal 200, and positioning grooves are formed between each stop 151 for positioning the socket terminal 200. Furthermore, some of the plurality of stops 151 can be disposed within each through hole 72.

[0122] In this embodiment, each through hole 72 forms an expansion portion 721 extending toward the hook structure 71, increasing the space of each through hole 72 and increasing the area where plastic is molded in the expansion portion 721. Furthermore, a plurality of stops 151 are respectively located at the positions of the through holes 72 and the expansion portions 721 (e.g., ...). Figure 5 As shown), multiple stops 151 are clamped on both sides of the front end of each socket terminal 200.

[0123] In this embodiment, the grounding plate 7 extends outward on both sides with extension sections 74 and welding feet 75. The fixing block 15 protrudes outward with a plurality of stops 151 clamping on both sides of each extension section 74, increasing the limiting of different parts of the plurality of socket terminals 200 and increasing the stability of the plurality of socket terminals 200 on the fixing block 15. In addition, the welding feet 75 extend out from the rear of the base 10 and are welded to a circuit board to allow the grounding plate 7 to conduct grounding.

[0124] In this embodiment, each grounding piece 7 has a contact arm 711 formed on the outside of each through hole 72, and the outer side of the contact arm 711 has a snap-fit ​​recess 712. When the plug connector 9 is inserted into the socket connector 100, the hooks 95 on both sides of the plug connector 9 will snap onto a plurality of snap-fit ​​recesses 712. When plugging or unplugging, the hooks 95 contact the contact arm 711, and the contact arm 711 moves toward the inside of the through hole 72, and the contact arm 711 forms an elastic swaying effect.

[0125] In other words, after each grounding piece 7 is installed in each through hole 72, the hook structure 71 forms a hollow elastic structure. When the plug connector 9 mates with the socket connector 100, the hooks 95 on both sides of the plug connector 9 contact the hook structure 71, and the contact arms 711 of the hook structure 71 elastically deflect towards the inside of the through hole 72. This avoids the hooks 95 on both sides of the plug connector 9 from hard interfering with the hook structure 71 when the plug connector 9 mates with the socket connector 100, which would cause wear on the hooks 95 on both sides of the plug connector 9, and severe wear would lead to structural damage and poor contact.

Claims

1. A socket electrical connector, characterized in that: An insulating body includes a base and a tongue, the tongue extending outward from one side of the base; A plurality of socket terminals, each of the socket terminals being disposed on the upper surface of the base and the tongue or on the lower surface of the tongue; and A shielding housing includes a receiving groove, an insulating body is disposed in the receiving groove, a plug-in interface is formed at one end of the shielding housing, and a stop wall that bends inward extends from the other end of the shielding housing to the surface of the base. The shielding housing includes an extension extending outward from the end of the stop wall. The stop wall and the extension are substantially perpendicular. The extension at the other end of the shielding housing is a narrowed frame structure. The inner diameter of the narrowed frame structure is smaller than the inner diameter of the plug interface, forming a structure with different sizes of frame openings at the two ends of the shielding housing. When a plug connector is inserted into the receiving slot, the end of the plug connector contacts the stop wall.

2. The socket electrical connector as described in claim 1, characterized in that: The base includes a raised step and a rear seat formed on the other side of the raised step, with the stop wall extending vertically to the surface of the rear seat.

3. The socket connector as described in claim 2, characterized in that: The surface of the raised step and the surface of the rear seat are essentially on the same horizontal plane.

4. The socket electrical connector as described in claim 3, characterized in that: The thickness of the raised step is greater than the thickness of the tongue, and the width of the rear seat is greater than the width of the raised step.

5. The socket electrical connector as described in claim 2, characterized in that: An insertion space is formed between the surface of the raised step and the inner side of the shielding shell.

6. The socket electrical connector as described in claim 5, characterized in that: The extension abuts against the surface of the rear seat.

7. The socket electrical connector as described in claim 6, characterized in that: The tongue protrudes outside the insertion interface or is located inside the receiving groove.

8. The socket electrical connector as described in claim 6, characterized in that: It also includes a cover plate that covers the outside of the shielding housing.

9. The socket electrical connector as described in claim 1, characterized in that: The plug connector includes an insulating base and a housing covering the outside of the insulating base, with the end of the insulating base contacting the stop wall at the end of the housing.

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