CN218975949U - Male socket electric connector with grounding piece - Google Patents

Abstract

The utility model relates to a male electric connector with a grounding piece, which comprises an insulating plastic core, a terminal assembly and a conductive rubber frame, wherein the insulating main body is provided with opposite plug-in ends and tin foot ends, the tin foot end surface of the insulating plastic core is provided with an outer edge with a circular peripheral edge, the terminal assembly comprises a plurality of grounding terminals, the contact parts of the grounding terminals are positioned at the plug-in ends, the welding parts of the grounding terminals are exposed at the tin foot ends and are positioned in the circular peripheral edge, the conductive rubber frame is of an annular structure and is at least partially sleeved on the circular peripheral edge, and the inner annular surface of the conductive rubber frame is provided with conductive convex ribs which are in conductive connection with the grounding terminals. According to the utility model, through an effective structural design, the annular conductive rubber frame is embedded at the annular periphery edge of the insulating seat, so that the uniform grounding of the grounding terminals of the 40pin terminal group and the 7 terminal group is realized, the high-frequency transmission quality of the electric connector is ensured, the crosstalk is improved, and the high frequency is met.

Description

Male socket electric connector with grounding piece

Technical Field

The present utility model relates to the field of electrical connectors, and more particularly, to a male electrical connector with a grounding member.

Background

With the development of novel technologies such as cloud computing and big data, in the internet market, requirements of clients on data reading, writing and backup protection are higher and higher, requirements on high-medium-end memory card solutions are continuously improved, and particularly, clear requirements on characteristics such as cache capacity and data protection are provided. Chinese patent CN201920412340.3 discloses a male electrical connector with a grounding member, wherein the insulating main body is provided with a tongue piece, and the upper side surface of the tongue piece is provided with a raised step; the insulating main body is implanted with a first terminal group, a second terminal group, a third terminal group and a fourth terminal group, the first contact part of the first terminal group leans against the lower side surface of the tongue piece, the second contact part of the second terminal group leans against the upper side surface of the tongue piece, the third contact part of the third terminal group leans against the surface of the step, the fourth contact part of the fourth terminal group leans against the upper side surface of the tongue piece, and the fourth contact part of the fourth terminal group and the second contact part of the second terminal group are arranged on two sides of the step. The utility model integrates terminals defined by different signals into a whole through effective structural design, integrates PCIe, SATA, SAS and SATA Express connectors with four specifications, improves crosstalk, satisfies high frequency, supports signal transmission with the speed reaching 12GT/s, has strong universality and can better satisfy customer requirements.

In order to follow the development trend of the technology, the technology is beneficial to occupying the market, the brand influence of products is improved, the requirements on the speed are higher and higher, the connector with higher transmission rate is required to be designed urgently, in order to improve the signal integrity effect, especially the crosstalk is improved, the grounding metal sheet is uniformly grounded to the grounding terminals by the connector at present, however, the connector has strict overall dimension limitation, and how to ensure that the grounding sheet is accurately and reliably contacted with all the grounding terminals is ensured, the connector is free from interference in assembly, and the influence of tolerance accumulation is avoided, so that the connector becomes one of the difficulties in structural design consideration.

Disclosure of Invention

In order to solve the above-mentioned problems, the present utility model provides a male electrical connector with a grounding member.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model relates to a male seat electric connector with a grounding piece, which is used for butting with a female seat electric connector and comprises an insulating plastic core, a terminal assembly and a conductive rubber frame, wherein the insulating main body is provided with opposite plug-in ends and tin foot ends, the tin foot end surface of the insulating plastic core is provided with an outer edge with a circumferential edge, the terminal assembly comprises a plurality of grounding terminals, the contact parts of the grounding terminals are positioned at the plug-in ends, the welding parts of the grounding terminals are exposed at the tin foot ends and are positioned in the circumferential edge, the conductive rubber frame is of an annular structure and is at least partially sleeved on the circumferential edge, and the inner annular surface of the conductive rubber frame is provided with conductive convex ribs which are in conductive connection with the grounding terminals.

In this embodiment, the conductive adhesive frame is adhered or clamped to the peripheral edge of the insulating plastic core. Can avoid connecting between conductive adhesive frame and the insulating plastic core not hard up or break away from for the conductive adhesive frame can avoid signal transmission's trouble, has firm in connection, stability good, long service life, simple structure, the easy characteristics of assembly.

In this embodiment, the terminal assembly includes a 40Pin terminal set, a 7Pin terminal set, the 40Pin terminal set has thirteen first ground terminals and fourteen pairs of first signal terminals composed of twenty-seven, the 7Pin terminal set has three second ground terminals and four second signal terminals, and the first ground terminals, the first signal terminals, the second ground terminals and the four second signal terminals each have a contact portion, a base portion and a soldering portion, and the contact portion, the base portion and the soldering portion are integrally formed.

In this embodiment, the conductive adhesive frame is formed by connecting a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate end to end, and is annular, wherein the inner surface of the first connecting plate is provided with at least one first conductive protruding rib corresponding to the first grounding terminal, the first conductive protruding rib is located above the base of the first grounding terminal and contacts with the first conductive protruding rib, the inner surface of the third connecting plate is provided with at least one second conductive protruding rib corresponding to the second grounding terminal, and the second conductive protruding rib is located below the base of the second grounding terminal and contacts with the base of the second grounding terminal.

In this embodiment, the third connecting plate is wider than the first connecting plate and is in a straight strip shape, and the second connecting plate and the fourth connecting plate are in an L shape.

In this embodiment, the middle part of the third connecting plate is provided with a groove recessed downwards along the inner surface of the third connecting plate, and the groove is provided with a finger buckling position, so that the conductive adhesive can be conveniently taken out.

In this embodiment, the insulating plastic core include base, base grafting end forward extending's hyoid and a pair of side arm that the base both sides extended forward and become, the hyoid has upper surface and lower surface, the upper surface of hyoid is formed with a plurality of first terminal grooves of extending along the butt joint direction, the lower surface middle part of hyoid is equipped with the step that is higher than the lower surface, the step divide into left region and right region with the lower surface, left region is formed with a plurality of second terminal grooves of extending along the butt joint direction, right region is formed with a plurality of fourth terminal grooves of extending along the butt joint direction, the step face is formed with a plurality of third terminal grooves of extending along the butt joint direction, first terminal groove, second terminal groove, third terminal groove, fourth terminal groove run through the grafting end and the tin foot end of base, the base tin foot end is equipped with from top to bottom first row's draw-in groove, second row's draw-in groove, third row's draw-in groove, first row's draw-in groove link up with first terminal groove respectively, second row's draw-in groove, third row's draw-in groove link up with first terminal groove respectively, second row's draw-in groove respectively, third terminal groove link up with third terminal groove, third row's draw-in groove respectively. The first row of clamping grooves, the second row of clamping grooves and the third row of clamping grooves are used for fixing the terminal assembly.

In this embodiment, the base portion of the terminal has a barb portion near the welding portion, so that the terminal is fixed in the clamping groove.

In this embodiment, the first ground terminal and the first signal terminal are inserted from the first row of clamping slots and are embedded in the first terminal slot, wherein the welding parts of the first ground terminal and the first signal terminal are exposed at the inserting ends of the first row of clamping slots, the contact parts of the first ground terminal and the first signal terminal are partially embedded in the first terminal slot and exposed at the upper surface of the tongue plate, and the welding parts of the first ground terminal and the first signal terminal are lower than the contact parts thereof and are located at the same height.

In this embodiment, the second ground terminal and the second signal terminal are inserted from the second row of clamping grooves and are embedded in the second terminal groove, wherein the welding portion of the second ground terminal and the second signal terminal is exposed at the inserting end of the second row of clamping grooves, and the contact portion of the second ground terminal and the second signal terminal is partially embedded in the second terminal groove and is exposed at the lower surface of the tongue plate.

In this embodiment, the contact portion of the first signal terminal is shorter than the contact portion of the first ground terminal, the contact portion of the second signal terminal is shorter than the contact portion of the second ground terminal, and the contact portion of the third signal terminal is shorter than the contact portion of the third ground terminal, so that overheating of the male connector caused by that all terminals are simultaneously mated with the female connector is avoided.

The utility model has the beneficial effects that: according to the utility model, through an effective structural design, the annular conductive rubber frame is embedded on the annular periphery of the insulating seat, so that each terminal is better fixed, the uniform grounding of the grounding terminals of the 40pin terminal group and the 7pin terminal group is realized, the contact is more stable, the high-frequency transmission quality of the electric connector is ensured, the crosstalk is improved, the high-frequency is satisfied, and the signal transmission with the supporting rate reaching 36GT/s is realized.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a block diagram of an insulating plastic core of the present utility model;

FIG. 4 is another angular schematic view of an insulating plastic core of the present utility model;

FIG. 5 is a schematic front view of an insulating plastic core of the present utility model;

fig. 6 is a structural view of a terminal of the present utility model;

FIG. 7 is a block diagram of a 40Pin terminal set of the present utility model;

FIG. 8 is a block diagram of a 7Pin terminal set of the present utility model;

FIG. 9 is a block diagram of a 15Pin terminal set of the present utility model;

FIG. 10 is a block diagram of a 6Pin terminal set 270 of the present utility model;

FIG. 11 is a block diagram of a conductive adhesive frame of the present utility model;

fig. 12 is a cross-sectional view of the present utility model.

Labeling and describing:

100 insulating plastic cores; 110 a base; 120 tongue plate; 123 steps; 124 a first terminal slot; 125 second terminal slots; 126 a third terminal slot; 127 fourth terminal slot; 130 side arms; 131 channels; 132 a first row of detents; a second row 133 of detents; 134 a third row of detents; 135 circumferential edges; 200 terminal assemblies; 210 contact portions; 220 base; 230 welding part; 240. a 40Pin terminal group; 2401. a first ground terminal; 2402. a first signal terminal; 250. 7Pin terminal group; 2501. a second ground terminal; 2502. a second signal terminal; 260. 15Pin terminal group; 2601. a third ground terminal; 2602. a third signal terminal; 270. a 6Pin terminal group 270; 2701. a fourth signal terminal; 300 conductive adhesive frames; 310 a first connection plate; 320 a second connection plate; 330 a third connection plate; 340 a fourth connection plate; 311 first conductive ribs; 331 grooves; 332 finger lock position; 321 second conductive ribs.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like, if any, do not denote a requirement that the component be absolutely horizontal, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-12, the present utility model relates to a male electrical connector with a grounding member for mating with a female electrical connector, which comprises a terminal assembly 200, a conductive frame 300, an insulating plastic core 100 having a socket end and a solder pin end,

in this embodiment, the insulating plastic core 100 includes a base 110, a tongue plate 120 extending forward from the plugging end of the base 110, and a pair of side arms 130 extending forward from two sides of the base 110, where a channel 131 is disposed inside the side arms 130 to mate with a mating female electrical connector (not shown). The tongue plate 120 has an upper surface and a lower surface, the upper surface of the tongue plate 120 is formed with a plurality of first terminal slots 124 extending along the butt joint direction, the middle of the lower surface of the tongue plate 120 is provided with a step 123 higher than the lower surface, the step 123 divides the lower surface into a left area and a right area, the left area is formed with a plurality of second terminal slots 125 extending along the butt joint direction, the right area is formed with a plurality of fourth terminal slots 127 extending along the butt joint direction, the step 123 is formed with a plurality of third terminal slots 126 extending along the butt joint direction, the first terminal slots 124, the second terminal slots 125, the third terminal slots 126 and the fourth terminal slots 127 penetrate through tin leg ends of the base 110 of the insulating plastic core 100, the tin leg ends of the base 110 are provided with a first row of clamping slots 132, a second row of clamping slots 133 and a third row of clamping slots 134134 from top to bottom, the first row of clamping slots, the second row of clamping slots 133 and the third row of clamping slots 134134 are used for holding the terminal assembly 200, the first row of clamping slots and the third row of clamping slots 123 are respectively penetrated through the first terminal slots and the third terminal slots 124 and the third terminal slots of the base 110 are respectively arranged along the peripheries of the first row clamping slots and the third terminal slots of the third terminal slots are respectively.

In this embodiment, the terminal assembly 200 includes 40Pin terminal sets 240, 7Pin terminal sets 250, 15Pin terminal sets 260, 6Pin terminal sets 270, each of the 40Pin terminal sets 240, 7Pin terminal sets 250, 15Pin terminal sets 260, 6Pin terminal sets 270 has a contact portion 210, a base portion 220 and a soldering portion 230, the contact portion 210, the base portion 220 and the soldering portion 230 are integrally formed, the soldering portion 230 is disposed at the head of the terminal, the contact portion 210 is disposed at the tail of the terminal, the soldering portion 230 of the terminal is exposed at the tin foot end of the insulating plastic core 100 for soldering the circuit, the base portion 220 of the terminal has a barb portion near the soldering portion 230, the barb portion is inserted into a clamping portion (not shown in the figure) in the corresponding clamping slot, the terminal contact portion 210 of the terminal is embedded in the plugging end of the insulating plastic core 100, and the terminal end of the contact portion 210 of the terminal is subjected to a width narrowing process.

The 40Pin terminal group 240 has thirteen first ground terminals 2401 and fourteen pairs of first signal terminals 2402 composed of twenty-seven, the first ground terminals 2401 are staggered with the first signal terminals 2402 in a row, the first ground terminals 2401 and the first signal terminals 2402 are inserted from the first row of detent grooves 132 and are embedded in the first terminal grooves 124, wherein the soldered portions 230 of the first ground terminals 2401 and the first signal terminals 2402 are exposed at the front ends of the first row of detent grooves 132, the contact portions 210 of the first ground terminals 2401 and the first signal terminals 2402 are partially embedded in the first terminal grooves 124 and exposed at the upper surface of the tongue plate 120, and the soldered portions 230 of the first ground terminals 2401 and the first signal terminals 2402 are lower than the contact portions 210 thereof and are located at the same height.

The 7Pin terminal group 250 has three second ground terminals 2501 and four second signal terminals 2502, a pair of second signal terminals 2502 are provided between two adjacent second ground terminals 2501, the second ground terminals 2501 and the second signal terminals 2502 are inserted from the second row of the locking grooves 133 and are embedded in the second terminal grooves 125, wherein the welding portions 230 of the second ground terminals 2501 and the second signal terminals 2502 are exposed at the front ends of the second row of the locking grooves 133, and the contact portions 210 of the second ground terminals 2501 and the second signal terminals 2502 are partially embedded in the second terminal grooves 125 and are exposed at the lower surfaces of the tongue plates 120.

The 15Pin terminal group 260 has eight third ground terminals 2601 and seven third signal terminals 2602, the third ground terminals 2601 and the third signal terminals 2602 being inserted from within the second row of detent grooves 133 and being embedded within the fourth terminal groove 127, wherein the soldering portion 230 of each of the third ground terminals 2601 and the third signal terminals 2602 is exposed at the front end of the second row of detent grooves 133, and the contact portions 210 of the third ground terminals 2601 and the third signal terminals 2602 are partially embedded within the fourth terminal groove 127 and exposed at the lower surface of the tongue plate 120.

The 6Pin terminal group 270 has six fourth signal terminals 2701, the fourth signal terminals 2701 are inserted from the third row of the card slots 134 and fit into the third terminal slots 126, and the contact portions 210 of the fourth signal terminals 2701 are partially fit into the third terminal slots 126 and exposed to the lower surface of the step 123.

The welded portions 230 of all the terminals of the 7Pin terminal group 250, the 15Pin terminal group 260, and the 6Pin terminal group 270 are positioned at the same height, and are positioned below the terminal welded portions 230 of the 40Pin terminal group 240, and form a clamped state therewith.

The contact portion 210 of the first signal terminal 2402 is shorter than the contact portion 210 of the first ground terminal 2401, the contact portion 210 of the second signal terminal 2502 is shorter than the contact portion 210 of the second ground terminal 2501, and the contact portion 210 of the third signal terminal 2602 is shorter than the contact portion 210 of the third ground terminal 2601, so that the overheating phenomenon of the male connector caused by that all terminals are simultaneously butted with the female electrical connector is avoided.

In this embodiment, the conductive adhesive frame 300 is in an annular structure and is at least partially sleeved on the circumferential edge 135 of the insulating plastic core 100, and the conductive adhesive frame 300 is adhered or clamped to the circumferential edge 135 of the insulating plastic core 100.

The conductive adhesive frame 300 comprises a first connecting plate 310, a second connecting plate 320, a third connecting plate 330 and a fourth connecting plate 340 which are connected end to end, wherein the third connecting plate 330 is wider than the first connecting plate 310 and is in a straight strip shape, the second connecting plate 320 and the fourth connecting plate 340 are in an L shape, wherein at least one first conductive convex rib 311 is arranged on the inner surface of the first connecting plate 310 corresponding to the first grounding terminal 2401, the first conductive convex rib 311 is positioned above the base 220 of the first grounding terminal 2401 and is contacted with the base, a concave groove 331 which is downwards concave along the inner surface of the third connecting plate 330 is arranged in the middle of the third connecting plate 330, a finger buckling position 332 is arranged on the concave groove 331 so as to facilitate the taking out of the conductive adhesive frame 300, at least one second conductive convex rib 321 is arranged on the inner surface of the third connecting plate 330 corresponding to the second grounding terminal 2501, the second conductive convex rib 321 is positioned below the base 220 of the second grounding terminal 2501 and is contacted with the base 220 of the second grounding terminal 2501,

the conductive adhesive frame 300 is embedded in the annular peripheral edge 135 of the insulating base by adopting an annular structure, so that each terminal is better fixed, the contact is more stable, and the high-frequency transmission quality of the electric connector is ensured. The terminal assembly 200 forms a good shield by making contact with the conductive paste frame 300 and conducting the communication between the first ground terminal 2401 and the second ground terminal 2501 of the 40Pin and 7Pin terminals, effectively improving crosstalk. The third connecting plate 330 of the conductive adhesive frame 300 is wider than the first connecting plate 310, so that the conductive plastic is in contact with the base 220 of the second grounding terminal 2501 in a large area to form line contact, thereby ensuring good conduction effect between the conductive plastic and the second grounding terminal 2501 and further improving the grounding effect of the grounding terminal.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (10)

1. A male electrical connector having a ground member, comprising: including insulating plastic core, terminal subassembly, conductive adhesive frame, insulating plastic core is equipped with opposite grafting end and tin foot end, the tin foot terminal surface of insulating plastic core have the outward flange to have a ring periphery along, terminal subassembly include a plurality of ground terminal, ground terminal's contact site be located the grafting end, ground terminal's welding part expose at the tin foot end and along the ring periphery, conductive adhesive frame be annular structure to at least part cover locate the ring periphery along, conductive adhesive frame's interior anchor ring on be equipped with conductive protruding muscle, conductive protruding muscle and ground terminal conductive connection.

2. A male electrical connector with grounding member as defined in claim 1, wherein: the conductive rubber frame is adhered or clamped with the peripheral edge of the insulating plastic core.

3. A male electrical connector with grounding member as defined in claim 1, wherein: the terminal assembly comprises a 40Pin terminal group and a 7Pin terminal group, wherein the 40Pin terminal group is provided with thirteen first grounding terminals and fourteen pairs of first signal terminals consisting of twenty-seven first grounding terminals, the 7Pin terminal group is provided with three second grounding terminals and four second signal terminals, the first grounding terminals, the first signal terminals, the second grounding terminals and the four second signal terminals are provided with contact parts, base parts and welding parts, and the contact parts, the base parts and the welding parts are integrally formed.

4. A male electrical connector with grounding member as defined in claim 3, wherein: the conductive adhesive frame is formed by encircling a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate in an end-to-end connection mode, wherein at least one first conductive convex rib is arranged on the inner surface of the first connecting plate corresponding to the first grounding terminal, the first conductive convex rib is positioned above the base part of the first grounding terminal and is in contact with the base part of the first grounding terminal, at least one second conductive convex rib is arranged on the inner surface of the third connecting plate corresponding to the second grounding terminal, and the second conductive convex rib is positioned below the base part of the second grounding terminal and is in contact with the base part of the second grounding terminal.

5. A male electrical connector with grounding member as defined in claim 4, wherein: the third connecting plate is wider than the first connecting plate and is in a straight strip shape, and the second connecting plate and the fourth connecting plate are in L shapes.

6. A male electrical connector with grounding member as defined in claim 4, wherein: the middle part of the third connecting plate is provided with a groove which is sunken downwards along the inner surface of the third connecting plate, and the groove is provided with a finger buckling position which is convenient for taking out the conductive adhesive.

7. A male electrical connector with grounding member as defined in claim 1, wherein: the insulating plastic core comprises a base, a tongue plate with a base plug-in end extending forwards and a pair of side arms formed by extending forwards on two sides of the base, wherein the tongue plate is provided with an upper surface and a lower surface, a plurality of first terminal grooves extending along the butt joint direction are formed on the upper surface of the tongue plate, a step higher than the lower surface is arranged in the middle of the lower surface of the tongue plate, the lower surface is divided into a left area and a right area by the step, a plurality of second terminal grooves extending along the butt joint direction are formed in the left area, a plurality of fourth terminal grooves extending along the butt joint direction are formed in the right area, a plurality of third terminal grooves extending along the butt joint direction are formed on the step surface, the first terminal groove, the second terminal groove, the third terminal groove and the fourth terminal groove penetrate through the plugging end and the tin foot end of the base, the tin foot end of the base is provided with a first row of clamping grooves, a second row of clamping grooves and a third row of clamping grooves from top to bottom, the first row of clamping grooves respectively penetrate through the first terminal groove, the second row of clamping grooves respectively penetrate through the second terminal groove and the fourth terminal groove, the third row of clamping grooves respectively penetrate through the third terminal groove, the first row of clamping grooves, the second row of clamping grooves and the third row of clamping grooves are arranged in the peripheral edge of the ring, and the first row of clamping grooves, the second row of clamping grooves and the third row of clamping grooves are used for fixing the terminal assembly.

8. A male electrical connector with grounding member as defined in claim 3, wherein: the first grounding terminal and the first signal terminal are inserted into the first terminal groove from the first row of clamping grooves, wherein the welding parts of the first grounding terminal and the first signal terminal are exposed out of the splicing ends of the first row of clamping grooves, the contact parts of the first grounding terminal and the first signal terminal are partially embedded into the first terminal groove and exposed out of the upper surface of the tongue plate, and the welding parts of the first grounding terminal and the first signal terminal are lower than the contact parts of the first grounding terminal and the first signal terminal and are located at the same height.

9. A male electrical connector with grounding member as defined in claim 3, wherein: the second grounding terminal and the second signal terminal are inserted into the second terminal groove from the second row of clamping grooves, wherein the welding parts of the second grounding terminal and the second signal terminal are exposed out of the inserting ends of the second row of clamping grooves, and the contact parts of the second grounding terminal and the second signal terminal are partially embedded into the second terminal groove and exposed out of the lower surface of the tongue plate.

10. A male electrical connector with grounding member as defined in claim 3, wherein: the contact part of the first signal terminal is shorter than the contact part of the first grounding terminal, the contact part of the second signal terminal is shorter than the contact part of the second grounding terminal, and the contact part of the third signal terminal is shorter than the contact part of the third grounding terminal.

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