CN213753308U

CN213753308U - Electric connector and electric connector combination thereof

Info

Publication number: CN213753308U
Application number: CN202022483525.9U
Authority: CN
Inventors: 何志立
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-20
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses an electric connector and an electric connector combination, which are characterized in that two first convex parts and a first plate body part are arranged on a first shielding part of the electric connector to form a first containing part, two second convex parts and a second plate body part are arranged on the second shielding piece to form a second containing part, and each first convex part is correspondingly contacted with each second convex part, so that the first accommodating part and the second accommodating part surround the main body parts of the pair of signal terminals together, and then form three-dimensional shielding space around the main part, effectively strengthened first shielding piece and second shielding piece to the three-dimensional shielding effect of signal terminal pair, need not additionally to set up ground terminal, reach the shielding effect that can effectively increase electric connector and be convenient for assemble the purpose of production again, effectively reduce electric connector's installation volume in addition, satisfy the installation demand that electric connector is intensive.

Description

Electric connector and electric connector combination thereof

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector and an electrical connector assembly thereof, and more particularly to an electrical connector for transmitting high frequency signals and an electrical connector assembly thereof.

[ background of the invention ]

In order to meet the requirement of high frequency, the width of the ground terminal is generally widened, or shielding sheets are additionally arranged on two opposite sides of the board surface of the signal terminal to shield the signal terminal, so as to enhance the shielding effect between the signal terminal pairs, and solve the problem that electromagnetic waves generated by a pair of signal terminals are easy to generate crosstalk and other interference (Cross-Talk) in the signal transmission process, however, the above-mentioned methods have the following disadvantages: firstly, with the improvement of the requirement on high frequency, the number of the terminals is increased, and the ground terminal occupies more installation space due to the wider width of the ground terminal, so that under the condition of keeping the volume of the electric connector unchanged, the assembly distance between the signal terminal pairs is required to be reduced to meet the requirement of the installation space, but the signal interference between the signal terminals is increased, and the electric performance of the electric connector is reduced; if the shielding member is added on the signal terminal pair, the assembly is difficult due to the intensive arrangement of the signal terminals and the grounding terminals, and in addition, the side part of the signal terminal pair is not provided with a shielding structure for shielding, so that the signal transmission quality is still limited, higher transmission requirements cannot be met, and the limitation is realized.

Therefore, there is a need to design a new electrical connector and its combination, so as to overcome the above problems.

[ Utility model ] content

An object of the present invention is to provide an electrical connector and an electrical connector assembly thereof, which are in contact with the first and second protrusions of the first and second shielding members, so that the first and second accommodating portions surround the main portion of the signal terminal pair, and the signal terminal pair is effectively shielded, thereby effectively improving the transmission rate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric connector is used for being butted with a butting connector along the front-back direction and comprises at least one electric module, wherein the electric module comprises a first insulating piece, at least one pair of signal terminals fixedly held on the first insulating piece, a first shielding piece and a second shielding piece which are respectively shielded at two opposite sides of the pair of signal terminals, each signal terminal is provided with a main body part at least partially positioned in the first insulating piece, a contact part connected with the front end of the main body part and exposed outside the first insulating piece, and a pin part connected with the main body part and exposed on the first insulating piece;

the first shielding piece is provided with at least two first protruding parts protruding towards the direction close to the second shielding piece, a first plate body part is arranged between the two first protruding parts, each first protruding part extends from the front end of the first shielding piece along the length direction of the main body part, the tail ends of the first protruding parts are close to the pin parts, two adjacent first protruding parts and the first plate body part form a first accommodating part together, and the main body part is accommodated in the first accommodating part;

the second shielding part is provided with at least two second protruding parts which correspondingly protrude towards the direction close to the two first protruding parts, a second plate body part is arranged between the two second protruding parts, each second protruding part extends along the length direction of the main body part from the front end of the second shielding part, the tail ends of the second protruding parts are close to the pin parts, two adjacent second protruding parts and the second plate body part form a second accommodating part together, and the two first protruding parts are respectively contacted with the two corresponding second protruding parts, so that the first accommodating part and the second accommodating part surround the main body part of the signal terminal together.

Further, each contact site is including a first elastic beam and a second elastic beam that extends forward syntropy, the free end of first elastic beam is equipped with first contact arch, the second elastic beam is equipped with second contact arch, second contact arch is located the bellied rear of first contact, the bellied face extension width of first contact is greater than the bellied face extension width of second contact, first elastic beam reaches the last downside height of second elastic beam does not surpass the last downside height of second plate body portion.

Further, the front end of the first plate body is provided with a first shielding part which extends forwards to the front ends of the pair of contact parts, the first shielding part comprises a first shielding section and a second shielding section which are perpendicular to each other and connected with each other, the front end of the second plate body is provided with a second shielding part which extends forwards to the front ends of the pair of contact parts, the second shielding part comprises a third shielding section and a fourth shielding section which are perpendicular to each other and connected with each other, the first shielding section and the third shielding section are opposite and surround the left side and the right side of the pair of contact parts, the second shielding section and the fourth shielding section are opposite and surround the upper side and the lower side of the pair of contact parts, and the front end of the first shielding section is positioned at the rear part of the third shielding section to form a abdication gap for exposing the free ends of the pair of contact parts.

The shielding structure further comprises a second insulating piece molded outside the first insulating piece, the second shielding piece is fixed on the second insulating piece, the front end of the second insulating piece is provided with at least one protrusion extending forwards, the third shielding section is at least partially embedded in the protrusion, the front end of the protrusion exceeds or is flush with the front ends of the pair of contact parts, and the protrusion is provided with a partition fence to separate the pair of contact parts.

Furthermore, the second plate body part is provided with at least one through hole for the second insulating part to be inserted, and the through hole and the partition fence are at least partially overlapped along the projection of the front and back directions.

Furthermore, the two first protruding portions and the two corresponding second protruding portions are welded together through laser, and the width of each second protruding portion extending along the vertical direction is larger than the width of each first protruding portion.

Further, a pair of the pin portions is fixed to a first circuit board, the lower end of the first shielding member has at least one first tail portion for shielding the pair of the pin portions, the lower end of the second shielding member has two second tail portions electrically connected and in contact with the first circuit board, and the pair of the pin portions is located between the two second tail portions.

Further, the signal terminals are formed with a plurality of pairs and fixed to the first insulating member, the first protruding portions, the second protruding portions, the first plate portions and the second plate portions are arranged in a plurality of correspondence, the plurality of first plate portions and the plurality of first protruding portions are arranged alternately in the vertical direction, the plurality of second plate portions and the plurality of second protruding portions are arranged alternately in the vertical direction, the plurality of first protruding portions are in contact with the plurality of second protruding portions correspondingly, and the plurality of first plate portions correspond to the plurality of second plate portions, so that each first receiving portion and each second receiving portion correspond to surround the main body portion of each pair of signal terminals together, and the plurality of pairs of signal terminals are spaced apart.

Furthermore, the first insulating part is provided with a plurality of hollow parts, and the plate surface of each first protruding part and the plate surface of each second protruding part are in contact with each other in the hollow parts.

In order to achieve the above object, the utility model discloses still adopt another technical scheme: an electrical connector assembly comprising: an electrical connector, the electrical connector comprising: at least one electrical module, the electrical module comprising: a first insulating member, at least one pair of signal terminals being held in the first insulating member, wherein each signal terminal has a main body part at least partially located in the first insulating member, a contact part connected to the front end of the main body part and exposed outside the first insulating member, and a pin part connected to the main body part and extending out of the first insulating member;

a first shielding member and a second shielding member respectively covering opposite sides of the pair of signal terminals,

the first shielding piece is provided with at least two first protruding parts protruding towards the direction close to the second shielding piece, a first plate body part is arranged between the two first protruding parts, each first protruding part extends from the front end of the first shielding piece along the length direction of the main body part, the tail ends of the first protruding parts to the second end of the main body part are adjacent to the foot connecting part, two adjacent first protruding parts and the first plate body part form a first accommodating part together, and the main body part is accommodated in the first accommodating part;

the second shielding part is provided with at least two second protruding parts which correspondingly protrude towards the direction close to the two first protruding parts, a second plate body part is arranged between the two second protruding parts, each second protruding part extends from the front end of the second shielding part along the length direction of the main body part, the tail ends of the second protruding parts are close to the pin parts, the two adjacent second protruding parts and the second plate body part form a second accommodating part together, and the two first protruding parts are respectively contacted with the two corresponding second protruding parts so that the first accommodating parts and the second accommodating parts surround the periphery of the main body part of the pair of signal terminals together;

a mating connector, which is mated with the electric connector along the front and back directions, comprises an insulating main body,

at least one pair of mating terminals held on the insulative body, each of the mating terminals including a mating portion exposed outside the insulative body and mating with the contact portion, and a connecting portion connected with the mating portion and held in the insulative body, at least one third shield surrounding a periphery of a pair of the mating portions; when the butting connector is inserted into the electric connector and is electrically contacted with the contact part, the third shielding piece is contacted with the first shielding part and the second shielding part.

Further, first shielding part certainly first plate body portion front end extends forward to a pair of the contact site front end, first plate body portion includes mutually perpendicular and a first section of shielding and a second section of shielding that links to each other, second plate body portion certainly the front end of second plate body portion extends forward to a pair of the contact site front end, second plate body portion includes mutually perpendicular and a third section of shielding and a fourth section of shielding that links to each other, wherein, first section of shielding with the third shields the section relatively and centers on a pair of the left and right sides of contact site, the second shield the section with the fourth shields the section relatively and centers on a pair of the upper and lower both sides of contact site, the front end that first shields the section is located the rear portion that the second shielded the section supplies a pair of in order to form an abdication breach the free end of contact site reveals.

Further, the third shielding piece is the U type, the front end of third shielding piece surpasss or the parallel and level is in a pair of the front end of butt joint portion, the rear end of third shielding piece extends to have a third afterbody even with a second circuit board electricity, just the opposite both sides portion of third shielding piece extends has one to lead and connects the arm, during the butt joint, the front end of third shielding piece shields the free end of contact site, two lead connect the arm respectively with the second shields the section and the fourth shields the section contact.

Further, the two first protruding portions and the two corresponding second protruding portions are welded together through laser, and the first protruding portions and the second protruding portions extend to the upper portion of the pin portion.

Further, the electric property module has a plurality ofly and arranges in proper order along left right direction, the third shielding piece reaches the butt joint terminal has a plurality ofly, and is a plurality of the butt joint terminal forms many pairs and along the multirow of having arranged of left right direction, multirow the butt joint terminal is along upper and lower direction staggered arrangement, each the third shielding piece correspondence encloses and establishes a pair of the periphery of butt joint terminal, and each the third shielding piece both sides extend respectively has a conduction portion, is located same two on the third shielding piece conduction portion respectively with be located its left and right sides side wherein one side adjacent two the third shielding piece contacts and switches on.

Furthermore, an insulating casing cover is located a plurality ofly the front end of electrical property module, insulating casing is concave to be equipped with a plurality ofly to accept the chamber in order to accept a plurality ofly the contact site just supplies a plurality ofly the butt joint portion inserts, each electrical property module includes the fixing first shield reaches a second insulator of second shield, in each second insulator surface is opened has a mounting groove, each protruding a fin of establishing in the mounting groove, a fixer and a plurality of the second insulator is fixed mutually in order to be a plurality of electrical property module is fixed in an organic whole, wherein, one end of fixer corresponds a plurality ofly the second insulator is opened has a plurality of draw-in grooves, and is a plurality of the draw-in groove respectively with a plurality of the fin cooperation joint.

Furthermore, the pair of the pin parts is fixed on a first circuit board, the lower end of the first shielding part is provided with at least one first tail part for shielding the pair of the pin parts, the lower end of the second shielding part is provided with two second tail parts respectively positioned at the front side and the rear side of the first tail part, the two second tail parts are respectively welded with the first circuit board through solder balls, the rear end of the third shielding part extends to form a third tail part, and the third tail part is welded with a second circuit board through the solder balls.

Compared with the prior art, the utility model discloses following beneficial effect has: the first shielding part is provided with two first convex parts and a first plate body part positioned between the two first convex parts to form a first containing part, the second shielding part is provided with two second convex parts and a second plate body part positioned between the two second convex parts to form a second containing part, and each first convex part is correspondingly contacted with each second convex part, so that the first containing part and the second containing part jointly surround the periphery of the main body part of a pair of signal terminals, a three-dimensional shielding space is formed around the main body part, and because the first convex parts extend from the front end of the first shielding part to the adjacent pair of pin parts, each second convex part extends from the front end of the second shielding part to the adjacent pair of pin parts, the first shielding part and the second shielding part can shield the whole periphery of the main body part in multiple directions, the three-dimensional shielding effect of the first shielding part and the second shielding part on the pair of signal terminals is effectively enhanced, need not additionally to set up ground terminal, reach the purpose that can effectively increase electric connector's shielding effect and be convenient for equipment production again, effectively reduce electric connector's installation volume in addition, satisfy the intensive installation demand of electric connector.

[ description of the drawings ]

Fig. 1 is a perspective view of the electric connector and the mating connector of the present invention when they are not mated;

fig. 2 is a perspective view of the electric connector assembly after the electric connector and the butting connector are butted according to the present invention;

fig. 3 is a side view of the electrical connector assembly of the present invention;

FIG. 4 is a side cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a partial cross-sectional side view taken along line B-B of FIG. 3;

fig. 6 is an exploded perspective view of the docking connector of the present invention;

fig. 7 is a front view of the docking connector of the present invention;

fig. 8 is a partially exploded perspective view of the electrical connector and the electrical module of the present invention;

fig. 9 is a partially exploded perspective view of the electrical connector of the present invention;

fig. 10 is a partially exploded view of an electrical module according to the present invention;

fig. 11 is a side view of the electrical module of the present invention;

FIG. 12 is a side cross-sectional view taken along line C-C of FIG. 11;

fig. 13 is a front view of the electrical module of the present invention;

fig. 14 is a perspective partial sectional view of the electrical module of the present invention;

detailed description of the embodiments reference is made to the accompanying drawings in which:

[ detailed description ] embodiments

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or component must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

For convenience of understanding of the drawings, an X-axis is defined as a front-rear direction, a Y-axis is defined as a left-right direction, a Z-axis is defined as an up-down direction, and the X-axis, the Y-axis and the Z-axis are perpendicular to each other two by two.

As shown in fig. 1-5, for the electrical connector assembly 100 of the present invention, the electrical connector assembly 100 of the present invention includes an electrical connector 200 and a mating connector 300 that mates with the electrical connector 200 along the front-back direction X, the mating end of the electrical connector 200 is defined as the front end of the electrical connector 200, the mating end of the mating connector 300 is the front end of the mating connector 300, the electrical connector 200 is electrically connected with a first circuit board 400 along the vertical direction Z, and the connecting end of the electrical connector 200 and the first circuit board 400 is defined as the lower end of the electrical connector 200.

As shown in fig. 1, 8 and 9, the electrical connector 200 includes a plurality of electrical modules b arranged along the left-right direction Y, each of the electrical modules b includes a first insulating member 1, a second insulating member 3, a plurality of pairs of signal terminals 2, a first shielding member 4 and a second shielding member 5.

Specifically, as shown in fig. 4-14, a plurality of pairs of signal terminals 2 are arranged in the up-down direction and are fixed on the first insulating member 1, each signal terminal 2 includes a main body portion 21 at least partially fixed in the first insulating member 1 (in this embodiment, the main body portion 21 is partially exposed outside the first insulating member 1 to facilitate adjustment of the impedance value of the signal terminal 2, in other embodiments, the main body portion 21 can be completely located in the first insulating member 1 according to actual requirements), the main body portion 21 extends horizontally from the mating end and then vertically and downwardly after passing through two bending angles, the main body portion 21 is integrally formed into a substantially inverted L shape, a contact portion 22 is connected to the front end of the main body portion 21 and extends out of the front end of the first insulating member 1, as shown in fig. 5 and 14, wherein the contact portion 22 includes a first elastic beam 221 and a second elastic beam 222 extending in the same direction, a first contact protrusion 221a is arranged at a free end of the first elastic beam 221, a second contact protrusion 222a is arranged on the second elastic beam 222, the second contact protrusion 222a is located behind the first contact protrusion 221a, and the extension width of the plate surface of the first contact protrusion 221a is greater than that of the second contact protrusion 222 a; a pin portion 23 is connected to the lower end of the main body portion 21 and extends out of the lower end of the first insulating member 1, and the pin portion 23 is electrically connected to the first circuit board 400 by a solder ball (in other embodiments, the pin portion 23 may be electrically connected to the first circuit board 400 by other methods such as plugging, and the pin portion 23 may also be electrically connected to other components such as a cable).

A first shielding member 4 and a second shielding member 5 respectively shielding a plurality of pairs of left and right sides of the signal terminal 2, in this embodiment, the front end of the main body 21 does not exceed the front ends of the shielding member 4 and the second shielding member 5, the first shielding member 4 has a plurality of first protruding portions 42 protruding toward a direction close to the second shielding member 5, each first protruding portion 42 extends along the length direction of the main body 21 at the front end of the first shielding member 4 (i.e., the first protruding portion 42 is similar to the main body 21 in shape), and the end of each first protruding portion 42 is located above the pin portion 23 (i.e., each first protruding portion 42 is adjacent to the pin portion 23), the plurality of first protruding portions 42 are arranged in the up-down direction, wherein a first plate portion 41 is provided between each two adjacent first protruding portions 42 (i.e., a plurality of the first plate portions 41 and a plurality of the first protruding portions 42 are alternately arranged in the vertical direction), each of the first plate portions 41 and the first protruding portions 42 located on the upper and lower sides thereof form a first accommodating portion n, and a plurality of first tail portions 44 shielding a plurality of pairs of the pin portions 23 are provided at the lower end of the first shielding member 4; the second shielding member 5 has a plurality of second protruding portions 52 protruding toward a direction close to the first shielding member 4, each of the second protruding portions 52 extends along a length direction of the main body 21 at a front end of the second shielding member 5 (i.e., each of the second protruding portions 52 is similar to the main body 21 in shape), a distal end of each of the second protruding portions 52 is located above the corresponding pin portion 23 (i.e., each of the second protruding portions 52 is adjacent to the corresponding pin portion 23), the plurality of second protruding portions 52 are arranged in an up-down direction, a second plate portion 51 is located between two adjacent second protruding portions 52 (i.e., the plurality of second plate portions 51 and the plurality of second protruding portions 52 are alternately arranged in the up-down direction), each of the second plate portions 51 and the second protruding portion 52 located on the upper side and the lower side thereof form a second receiving portion m, preferably, a plurality of second tails 54 are provided at the lower end of the second shielding member 5, each second tail 54 includes two pins and is electrically connected and contacted with the first circuit board 400 by solder balls, (in other embodiments, the second tails 54 can be electrically contacted with the first circuit board 400 by plugging or the like) to avoid the first circuit board 400 being provided with vias, thereby better adjusting impedance, and avoiding back drilling of the second shielding member 5, which helps to reduce loss and crosstalk of the signal terminals 2 during signal transmission, wherein the plurality of second tails 54 and the plurality of first tails 44 are alternately arranged in the front-back direction (i.e., a pair of the tails 23 is located between two second tails 54); in addition, as shown in fig. 10, each of the second plate portions 51 has a plurality of through holes 531, further, the first insulating member 1 has a plurality of hollow portions 11 formed therein, the plurality of hollow portions 11 and the portions of the first insulating member 1 holding the plurality of pairs of the main body portions 21 are alternately arranged in the vertical direction, the plurality of first protruding portions 42 and the plurality of second protruding portions 52 are respectively in surface contact in the hollow portions 11, in this embodiment, the plurality of first protruding portions 42 and the plurality of second protruding portions 52 are in surface contact by laser welding (in other embodiments, the plurality of first protruding portions 42 and the plurality of second protruding portions 52 are connected together by conductive adhesive or the like), and the width of each of the second protruding portions 52 extending in the vertical direction is greater than the width of each of the first protruding portions 42 extending in the vertical direction, the first protruding portions 42 and the second protruding portions 52 are aligned and welded to each other, so that each of the first plate portions 41 and each of the second plate portions 51 are respectively located at the left and right sides of each pair of the main body portions 21, and each of the first protruding portions 42 and each of the second protruding portions 52 are respectively located at the upper and lower sides of each pair of the main body portions 21, that is, each of the first accommodating portions n and each of the second accommodating portions m jointly surround each pair of the main body portions 21, so that a three-dimensional shielding space is formed around the whole of each pair of the main body portions 21, and the main body portions 21 of two adjacent pairs of the signal terminals 2 are integrally spaced apart, thereby effectively enhancing the three-dimensional shielding effect of the first shielding member 4 and the second shielding member 5 on the plurality of pairs of the signal terminals 2.

In addition, as shown in fig. 4, 5, 10-14, the front end of each first plate portion 41 has a first shielding portion (not shown) extending forward to the front ends of a pair of the contact portions 22, the first shielding portion includes a first shielding section 431 and a second shielding section 432 perpendicular to each other and connected to each other, in this embodiment, the first shielding section 431 and the second shielding section 432 are formed by bending the same plate, and similarly, the front end of each second plate portion 51 has a second shielding portion (not shown) extending forward to the front ends of a pair of the contact portions 22, the second shielding portion is a third shielding section 532 and a fourth shielding section 533 bent to be perpendicular to each other by the same plate, wherein the first shielding section 431 and the third shielding section 532 are opposite to each other and surround the left and right sides of a pair of the contact portions 22, and the second shielding section 432 is opposite to the fourth shielding section 533 and surrounds the upper and lower sides of a pair of the contact portions 22 The front end of each of the second shielding sections 432 and the front end of each of the fourth shielding sections 533 are flush with the front end of each of the contact portions 22, the front end of the first shielding section 431 is located at the rear of the second shielding section 532 to form a yielding gap 433 for exposing a pair of free ends of the contact portions 22 (i.e., the first contact protrusion 221a and the second contact protrusion 222a), so as to prevent the free ends of the contact portions 22 from tilting excessively to touch the first shielding section 431 when the contact portions are not properly butted, thereby damaging the contact portions 22 and causing a short circuit of the signal terminals 2.

Further, as shown in fig. 8 and 10, a second insulating member 3 molded outside each first insulating member 1 is further included, the second shielding member 5 is embedded on the second insulating member 3, wherein the front end of the second insulating member 3 is provided with a plurality of protrusions 31 extending forward, each third shielding section 532 is at least partially embedded in each protrusion 31, the front end of the protrusion 31 exceeds the front end of each pair of the contacts 22 (of course, in other embodiments, the front end of the protrusion 31 may be flush with the front end of the contact 22), and each protrusion 31 protrudes from the left-right direction to form a barrier 32 to separate a pair of the contacts 22, a plurality of the through holes 531 are provided for the second insulating member 3 to pass through, and the projection of each barrier 32 in the front-back direction is aligned with the corresponding through hole 531 on each second plate body 51 in the front-back direction, thereby ensuring that each pair of the body portions 21 is located on each of the second plate portions 51 and each of the spacers 32 is located exactly between each pair of the contact portions 22.

Further, as shown in fig. 3 to 5 and 8, an insulating housing 6 is sleeved at the front ends of the plurality of electrical modules b, the insulating housing 6 is concavely provided with a plurality of accommodating cavities 61 to accommodate the plurality of contact portions 22, the plurality of first shielding portions and the plurality of second shielding portions, an installation groove 33 is formed at the rear part of the upper surface of each second insulating member 3, a protruding rib 34 is convexly formed in each installation groove 33, a fixer 7 is fixed with the plurality of second insulating members 3, wherein a plurality of clamping grooves 71 are formed at the lower end of the fixer 7 corresponding to the plurality of installation grooves 33, the plurality of clamping grooves 71 are respectively matched and clamped with the plurality of protruding ribs 34, and the fixer 7 and the insulating housing 6 together fix the plurality of electrical modules b.

As shown in fig. 1, 6 and 7, for the docking connector 300 of the present invention, the docking connector 300 includes a rectangular insulating main body 8, a plurality of docking terminals 9 are fixed on the insulating main body 8, wherein the docking terminals 9 are formed into a plurality of pairs and arranged in a plurality of rows in the left-right direction, the plurality of rows of the docking terminals 9 are arranged in a staggered manner in the up-down direction, each of the docking terminals 9 is flat, each of the docking terminals 9 includes a docking portion 91 extending out of the front end of the insulating main body 8 and docking with each of the contact portions 22, in this embodiment, the docking portion 91 enters the receiving cavity 61 to be in surface contact with the corresponding contact portion 22, a connecting portion 92 is connected with the docking portion 91 and fixed in the insulating main body 8, and a pin portion 93 connected with the connecting portion 92 and extending out of the rear end of the insulating main body 8, the lead portion 93 is electrically connected to a second circuit board 500 through a solder ball (in other embodiments, the lead portion 93 may be electrically connected to the second circuit board 500 through other methods such as plugging, and the lead portion 93 may also be connected to other components such as a cable according to actual requirements).

Further, as shown in fig. 5 and 6, a plurality of third shielding members 10 are enclosed around the periphery of each pair of the abutting portions 91, specifically, each third shielding member 10 is U-shaped as a whole to be enclosed on the upper and lower sides of each pair of the abutting portions 91 and on the side of the abutting portion 91 not contacting with the contact portion 22, the front end of each third shielding member 10 exceeds the front end of each pair of the abutting portions 91 (in other embodiments, the front end of each third shielding member 10 may be flush with the front end of each pair of the abutting portions 91), and an elastic connecting arm 101 extends from the upper and lower sides of each third shielding member 10, respectively, and when each abutting portion 91 abuts with each contact portion 22, as shown in fig. 4 and 5, the second shielding section 432 and the fourth shielding section 533 on the upper and lower sides of each pair of the contact portion 22 are inserted into the third shielding member 10, the two conducting arms 101 are elastically abutted to the second shielding section 432 and the fourth shielding section 533, further, a conducting portion 102 extends from the rear portion of the upper side and the lower side of each third shielding member 10, the two conducting portions 102 on the same third shielding member 10 are respectively in contact with the two adjacent third shielding members 10 on the left side and the right side thereof, and in addition, a third tail 103 electrically connected to the second circuit board 500 extends from the rear end of the third shielding member 10, in this embodiment, each third tail 103 is electrically connected to the second circuit board 500 through a solder ball (in other embodiments, the third tail 103 may be electrically connected to the second circuit board 500 through other methods such as plugging).

To sum up, the utility model discloses an electric connector 200 has following beneficial effect:

1. the first receiving portion n is formed by providing two first protruding portions 42 on the first shielding member 4 and the first plate portion 41 between the two first protruding portions 42, the second receiving portion m is formed by providing two second protruding portions 52 on the second shielding member 5 and the second plate portion 51 between the two second protruding portions 52, and each first protruding portion 42 is in corresponding contact with each second protruding portion 52, so that the first receiving portion n and the second receiving portion m surround the main body portion 21 of a pair of the signal terminals 2 together, thereby forming a three-dimensional shielding space around the main body portion 21, and each second protruding portion 52 extends from the front end of the second shielding member 5 to a position adjacent to a pair of the terminal portions 23 because the first protruding portion 42 extends from the front end of the first shielding member 4 to a position adjacent to a pair of the terminal portions 23, thereby make first shield 4 reach second shield 5 can be right main part 21 is whole to carry out diversified shielding all around, has effectively strengthened first shield 4 reaches second shield 5 is to a pair of signal terminal 2's three-dimensional shielding effect need not additionally to set up ground terminal, reaches and can effectively increase electric connector 200's shielding effect is convenient for assemble the purpose of production again, effectively reduces in addition electric connector 200's installation volume satisfies electric connector 200 intensive installation demand.

2. The arrangement of the first elastic beam 221 and the second elastic beam 222 not only increases the contact point of the contact portion 22 and further improves the contact conduction effect when the contact portion 22 is butted, but also ensures that the second contact protrusion 222a enables the contact portion 22 to still contact the butting portion 91 when the first contact protrusion 221a is not accurately butted with the butting portion 91 due to elastic fatigue and the like because the width of the second contact protrusion 222a is smaller than that of the first contact protrusion 221a and is located at the rear portion of the first contact protrusion 221a, and simultaneously reduces the energy loss in the signal transmission process because the extension length of the second elastic beam 222 is reduced.

3. Each of the first shielding sections 431 and each of the third shielding sections 532 surrounds the left and right sides of a pair of the contact portions 22, each of the second shielding sections 432 and each of the fourth shielding sections 533 surrounds the upper and lower sides of a pair of the contact portions 22, so as to form a three-dimensional shielding space around the pair of the contact portions 22, further enhance the three-dimensional shielding effect of the first shielding member 4 and the second shielding member 5 on a pair of the signal terminals 2, and further, the first shielding section 431 is provided with the abdicating notch 433, so as to prevent the free end of the contact portion 22 from being excessively tilted to touch the first shielding section 431 when the pair is not properly aligned, thereby damaging the contact portions 22 and causing the short circuit of the signal terminals 2.

4. The second plate portion 51 is provided with a plurality of through holes 531 for the second insulating member 3 to be inserted, so that the second shielding member 5 is fixed on the second insulating member 3, wherein a projection of each of the barriers 32 along the front-back direction is aligned with the through hole 531 correspondingly located on each of the second plate portions 51 along the front-back direction, thereby ensuring that each pair of the main body portions 21 is located on each of the second plate portions 51 and each of the barriers 32 is accurately located between each pair of the contact portions 22.

5. Each first protruding portion 42 respectively with each second protruding portion 52 that corresponds together through laser welding, and then not only be convenient for process the equipment, and do benefit to first shield 4 with contact between the second shield 5 switches on, still ensures first shield 4 with contact between the second shield 5 is firm stability.

6. The plurality of first tails 44 extend downward from the first board body 41 and shield the plurality of corresponding pin portions 23, the plurality of second tails 54 extend downward from the second board body 51 and are correspondingly located on the front and rear sides of each first tail 44, the plurality of second tails 54 are electrically connected and contacted with the first circuit board 400, and the arrangement of the first tails 44 and the second tails 54 not only ensures the shielding effect of the first shielding member 4 on the plurality of signal terminals 2, but also further improves the grounding conduction effect of the second shielding member 5.

7. The plate surface of each first protruding portion 42 and the plate surface of each second protruding portion 52 are in contact with each other in the hollow-out portion 11, so that the alignment contact and displacement prevention of the first protruding portions 42 and the second protruding portions 52 are facilitated, the material consumption of the first insulating member 1 is reduced, the assembling process of the electrical module b is simplified, and the processing and production efficiency of the electrical connector 200 is improved.

8. During the butt joint, the front end of the third shielding element 10 shields the free end of the contact portion 22, and the two guiding arms 101 are respectively contacted with the second shielding section 432 and the fourth shielding section 533, so that the first shielding element 4, the second shielding element 5 and the third shielding element 10 are electrically connected well, and the shielding effect of the first shielding element 4, the second shielding element 5 and the third shielding element 10 on the electrical connector 200 and the docking connector 300 is further improved.

9. It is a plurality of butt joint terminal 9 forms many pairs and along the multirow of having arranged of left right direction, multirow butt joint terminal 9 along upper and lower direction staggered arrangement, makes and is located same two on third shielding piece 10 conduction portion 102 respectively with be located its left and right sides adjacent two of one side third shielding piece 10 contacts and switches on, and then reaches each the purpose that third shielding piece 10 electric conductance mutually switched on, and then makes third shielding piece 10 further improves right butt joint terminal 9's shielding effect.

10. The insulating housing 6 is sleeved at the front ends of the plurality of electrical modules b, and the plurality of accommodating cavities 61 accommodate the plurality of contact portions 22 and the plurality of abutting portions 91, so as to ensure reliable contact between the abutting portions 91 and the contact portions 22 during abutting, in addition, the insulating housing 6 and the fixer 7 respectively fix the front ends and the rear ends of the plurality of electrical modules b, so that the plurality of electrical modules b are stably fixed into a whole, and the electrical connector 200 is convenient to integrally mount and dismount.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the invention, and all changes in the art which come within the meaning and range of equivalency of the specification and drawings are therefore intended to be embraced therein.

Claims

1. An electrical connector for mating with a mating connector in a front-to-back direction, comprising: the module comprises at least one electrical module, wherein the electrical module comprises a first insulating piece, at least one pair of signal terminals fixedly held on the first insulating piece, a first shielding piece and a second shielding piece respectively covering two opposite sides of the pair of signal terminals, each signal terminal is provided with a main body part at least partially positioned in the first insulating piece, a contact part connected with the front end of the main body part and exposed outside the first insulating piece, and a foot part connected with the main body part and exposed outside the first insulating piece;

2. The electrical connector of claim 1, wherein: each contact site is including a first elastic beam and a second elastic beam that extends forward syntropy, the free end of first elastic beam is equipped with first contact arch, the second elastic beam is equipped with second contact arch, second contact arch is located the bellied rear of first contact, the bellied face of first contact extends the width and is greater than the bellied face of second contact extends the width, first elastic beam reaches the last downside height of second elastic beam does not exceed the last downside height of second plate body portion.

3. The electrical connector of claim 1, wherein: the front end of the first plate body part is provided with a first shielding part which extends forwards to a pair of the front ends of the contact parts, the first shielding part comprises a first shielding section and a second shielding section which are vertical to each other and connected, the front end of the second plate body part is provided with a second shielding part which extends forwards to a pair of the front ends of the contact parts, the second shielding part comprises a third shielding section and a fourth shielding section which are vertical to each other and connected, the first shielding section and the third shielding section are opposite and surround a pair of the left side and the right side of the contact parts, the second shielding section and the fourth shielding section are opposite and surround a pair of the upper side and the lower side of the contact parts, and the front end of the first shielding section is positioned at the rear part of the second shielding section to form an abdication gap for exposing the free ends of the pair of the contact parts.

4. The electrical connector of claim 3, wherein: the shielding part comprises a first insulating part and a second insulating part molded outside the first insulating part, the first shielding part is fixed on the first insulating part, the front end of the first insulating part is provided with at least one protruding part extending forwards, the shielding section of the first shielding part is at least partially embedded in the protruding part, the front end of the protruding part is beyond or flush with the front ends of the pair of contact parts, and the protruding part is provided with a barrier for separating the pair of contact parts.

5. The electrical connector of claim 4, wherein: the second plate body part is provided with at least one through hole for the second insulating part to be inserted, and the through hole is at least partially overlapped with the partition fence along the projection in the front-back direction.

6. The electrical connector of claim 1, wherein: the two first protruding portions and the two corresponding second protruding portions are welded together through laser, and the width of each second protruding portion extending along the vertical direction is larger than the width of each first protruding portion.

7. The electrical connector of claim 1, wherein: the pair of the pin parts is fixed on a first circuit board, the lower end of the first shielding part is provided with at least one first tail part for shielding the pair of the pin parts, the lower end of the second shielding part is provided with two second tail parts which are electrically connected and contacted with the first circuit board, and the pair of the pin parts is positioned between the two second tail parts.

8. The electrical connector of claim 1, wherein: the signal terminals are formed with a plurality of pairs and fixed to the first insulating member, the first protruding portions, the second protruding portions, the first plate portions and the second plate portions are arranged in a plurality of correspondence, the plurality of first plate portions and the plurality of first protruding portions are arranged alternately in the vertical direction, the plurality of second plate portions and the plurality of second protruding portions are arranged alternately in the vertical direction, the plurality of first protruding portions are correspondingly contacted with the plurality of second protruding portions, and the plurality of first plate portions correspond to the plurality of second plate portions, so that each first accommodating portion and each second accommodating portion correspond to surround the periphery of the main body portion of each pair of signal terminals together, and the plurality of pairs of signal terminals are spaced apart.

9. The electrical connector of claim 8, wherein: the first insulating part is provided with a plurality of hollow parts, and the plate surface of each first protruding part and the plate surface of each second protruding part are in contact with each other in the hollow parts.

10. An electrical connector assembly, comprising:

an electrical connector comprising at least one electrical module, the electrical module comprising: a first insulating member, which is provided on the substrate,

at least one pair of signal terminals are fixedly held in the first insulating piece, wherein each signal terminal is provided with a main body part at least partially positioned in the first insulating piece, a contact part connected with the front end of the main body part and exposed outside the first insulating piece, and a pin part connected with the main body part and extending out of the first insulating piece; a first shielding member and a second shielding member respectively covering opposite sides of the pair of signal terminals,

11. The electrical connector assembly of claim 10, wherein: first shielding part certainly first board somatic part front end extends forward to a pair of the contact site front end, first shielding part includes mutually perpendicular and a first section and a second of shielding that links to each other shields the section, second shielding part certainly the front end of second board somatic part extends forward to a pair of the contact site front end, second shielding part includes mutually perpendicular and a third that links to each other shields section and a fourth shielding section, wherein, first shield the section with the third shields the section relative and centers on a pair of the left and right sides of contact site, the second shield the section with the fourth shields the section relative and centers on a pair of the upper and lower both sides of contact site, the front end of first shielding section is located the rear portion that the second shielded the section is in order to form one and let a gap supply a pair of the free end of contact site reveals.

12. The electrical connector assembly of claim 11, wherein: the third shielding piece is the U type, the front end of third shielding piece surpasss or the parallel and level is in a pair of the front end of butt joint portion, the rear end of third shielding piece extends to have a third afterbody even with a second circuit board electricity, just the relative both sides portion of third shielding piece extends has one to lead and connects the arm, during the butt joint, the front end of third shielding piece shields the free end of contact site, two lead connect the arm respectively with the second shields the section and reach the fourth shields the section and shields the section contact.

13. The electrical connector assembly of claim 11, wherein: the shielding part comprises a first insulating part and a second insulating part molded outside the first insulating part, the first shielding part is fixed on the first insulating part, the front end of the first insulating part is provided with at least one protruding part extending forwards, the shielding section of the first shielding part is at least partially embedded in the protruding part, the front end of the protruding part is beyond or flush with the front ends of the pair of contact parts, and the protruding part is provided with a barrier for separating the pair of contact parts.

14. The electrical connector assembly of claim 10, wherein: the two first protruding parts and the two corresponding second protruding parts are welded together through laser, and the first protruding parts and the second protruding parts extend to the upper side of the pin part.

15. The electrical connector assembly of claim 10, wherein: the signal terminals are formed with a plurality of pairs and fixed to the first insulating member, the first protruding portions, the second protruding portions, the first plate portions and the second plate portions are arranged in a plurality of correspondence, the plurality of first plate portions and the plurality of first protruding portions are arranged alternately in the vertical direction, the plurality of second plate portions and the plurality of second protruding portions are arranged alternately in the vertical direction, the plurality of first protruding portions are correspondingly contacted with the plurality of second protruding portions, and the plurality of first plate portions correspond to the plurality of second plate portions, so that each first accommodating portion and each second accommodating portion correspond to surround the periphery of the main body portion of each pair of signal terminals together, and the plurality of pairs of signal terminals are spaced apart.

16. The electrical connector assembly of claim 15, wherein: the electric property module has a plurality ofly and arranges in proper order along left right direction, the third shielding piece reaches the butt joint terminal has a plurality ofly, and is a plurality of the butt joint terminal forms many to and along the multirow of having arranged of left right direction, multirow the butt joint terminal is along upper and lower direction staggered arrangement, each the third shielding piece correspondence encloses and establishes a pair of the periphery of butt joint terminal, and each the third shielding piece both sides extend respectively and have a conduction portion, are located same two on the third shielding piece conduction portion respectively with be located it about it and incline one of them side adjacent two the third shielding piece contacts and switches on.

17. The electrical connector assembly of claim 16, wherein: a plurality of the front end of electrical property module is located to an insulating casing cover, insulating casing is concave to be equipped with a plurality ofly to accept the chamber in order to accept a plurality ofly the contact site just supplies a plurality ofly the butt joint portion inserts, each electrical property module includes the fixing first shield reaches a second insulator of second shield, in each second insulator surface is opened has a mounting groove, each protruding a fin of establishing in the mounting groove, a fixer and a plurality of the second insulator is fixed mutually in order to be a plurality of electrical property module is fixed in an organic whole, wherein, the one end of fixer corresponds a plurality ofly the second insulator is opened has a plurality of draw-in grooves, and is a plurality of the draw-in groove respectively with a plurality of the fin matches the joint.

18. The electrical connector assembly of claim 10, wherein: the pair of the pin parts is fixed on a first circuit board, the lower end of the first shielding part is provided with at least one first tail part for shielding the pair of the pin parts, the lower end of the second shielding part is provided with two second tail parts respectively positioned at the front side and the rear side of the first tail part, the two second tail parts are respectively welded with the first circuit board through solder balls, the rear end of the third shielding part extends to form a third tail part, and the third tail part is welded with a second circuit board through the solder balls.