TW202147705A - Electrical connector - Google Patents

Abstract

The present invention relates to an electrical connector, which comprises an insulative housing and at least a group of contacts retained in the insulative housing and a shell. The insulative housing defines a base portion and a tongue portion protruding forwards from the base portion. Each contact has a contacting portion exposing on the tongue portion, a retaining portion held in the insulative housing and a tail portion electrically connected with an exterior printed circuit board. The shell defines a receiving space opening forwardly, the tongue portion is exposed in the receiving space. The electrical connector further comprises a strengthening member fixing to a rear segment of the shell.

Description

electrical connector

The present invention relates to an electrical connector, in particular to an electrical connector with better resistance to pushing.

The Universal Serial Bus (USB) interface, as a standard input/output interface, has been widely used in the design of many electronic devices. When the USB device is not removed after being used on the electronic product, if the electronic product involves storage or movement, the USB device is likely to be subjected to multi-directional impact force, thereby causing damage to the USB device. A conventional USB electrical connector includes an insulating body, a plurality of conductive terminals fixed in the insulating body, and a shielding shell shielded from the insulating body. Of course, when the traditional USB electrical connector is subjected to multi-directional impact force, the shielding shell is easy to Deformation or disintegration is caused, and under the action of a large external force, problems such as the deformation of the shielding shell together with the insulating body and the connection failure between the conductive terminal and the circuit board are likely to occur.

In view of this, it is necessary to further improve the traditional electrical connector to solve the above problems.

The purpose of the present invention is to provide an electrical connector with better resistance to pressure.

In order to achieve the above object, the present invention provides an electrical connector, which comprises an insulating body, at least one group of conductive terminals and a shielding shell fixed on the insulating body, the insulating body having a base and a tongue plate protruding from the front side of the base, Each of the conductive terminals has a contact portion protruding from the surface of the tongue plate, a fixing portion held in the insulating body, and a tail portion located at the rear end thereof to be electrically connected to an external circuit board. The shielding shell has a forward opening. In the accommodating space provided, the tongue plate protrudes in the accommodating space, wherein the electrical connector further includes a reinforcing member fixed to the rear of the shielding shell.

As a further improvement of the present invention, the electrical connector further has a fixed casing fixed on one side of the shielding casing, the fixed casing has at least a pair of wings for mounting on an external circuit board, and the fixed casing It comprises a main body and an extension part integrally extending backward from the main body part, the main body part and the shielding shell are fixed and covered on the upper side of the tongue plate, and the extension part covers the upper side of the base part.

As a further improvement of the present invention, the shielding case has a top wall, a bottom wall and a pair of side walls connecting the top wall and the bottom wall, the insulating body also has a pair of holding grooves, and the rear end of the bottom wall is formed with a pair of side walls. The first stop portion extending into the corresponding holding groove is bent.

As a further improvement of the present invention, the extension portion has a pair of clasping portions located at the bottom of the extension portion to be caught and fastened to the base portion, the top wall is provided with a pair of elastic arms, and the main body portion is provided with corresponding openings for avoiding the elastic arms. bit slot.

As a further improvement of the present invention, the reinforcing member has a rear cover plate covering the rear side of the shielding shell and a pair of side cover plates opposite to both sides of the rear cover plate, and the pair of side cover plates are respectively connected with the shielding plate. The shell is fixedly connected, and the pushing capacity of the electrical connector is not less than 40 kg.

As a further improvement of the present invention, the rear cover plate has a middle portion in the lateral direction thereof and a matching portion fixed with the insulating body.

As a further improvement of the present invention, wherein the reinforcing member has at least a pair of the aforementioned wings located on both sides in the transverse direction, so as to be combined with the wings of the aforementioned fixed housing to jointly mount the electrical connector on the aforementioned circuit board, and Make the electrical connector's resistance to pushing capacity not less than 40kg.

As a further improvement of the present invention, the shielding shell further has a second stopper portion protruding backward to limit the position of the reinforcing member.

As a further improvement of the present invention, wherein the reinforcing member includes a lower cover, a pair of side covers located on both sides of the lower cover in the lateral direction, and a rear cover located on the rear side of the lower cover. The rear cover is connected to the lower cover. The cover plate and the side cover plate are integrally connected to cover the four sides of the shielding shell, and a pair of wings of the reinforcement member is formed by bending and extending from the side cover plate on the corresponding side.

As a further improvement of the present invention, the aforementioned conductive terminals include a set of first conductive terminals and a set of second conductive terminals, each of the first conductive terminals has a curved first contact portion protruding from the tongue plate, Each second conductive terminal has a straight second contact portion protruding from the tongue plate. In the front-rear direction, the second contact portion is located in front of the first contact portion, and the tail portion extends from the fixing portion. The top end extends backward and is exposed to the outside of the base, and the tail is curved to elastically contact the circuit board in a way that avoids soldering.

Compared with the prior art, the electrical connector of the present invention enhances the structural strength of the shielding casing by means of the reinforcing member fixed to the rear of the shielding casing, thereby enhancing the push-resistant capability of the electrical connector.

Please refer to FIGS. 1 to 7 showing the first embodiment of the electrical connector 100 of the present invention. The electrical connector 100 is used for mounting on an external circuit board (not shown), and includes an insulating body 1 , a holding At least one group of conductive terminals 2 and the shielding shell 3 on the aforementioned insulating body 1 .

Referring to Figures 1 to 6, the insulating body 1 has a base portion 11 and a tongue plate 12 protruding from the front side of the base portion 11 . In this embodiment, the tongue plate 12 is integrally directed toward the front end surface of the base portion 11 . The front extension is formed, and in the height direction, the upper and lower surfaces of the tongue plate 12 are located between the upper and lower surfaces of the base 11 .

The base portion 11 has a base portion 112 and a mounting portion 113 extending backward from the base portion 112 . The mounting portion 113 has a carrier plate 1131 extending in the lateral direction and a space between two ends of the carrier plate 1131 in the lateral direction. A pair of extension arms 1132, the aforementioned carrier plate 1131 and the aforementioned base portion 112 are spaced apart in the front-rear direction to form a slot 1133 therebetween. As shown in FIG. 7, the bottom surface of the mounting portion 113 is located above the bottom surface of the tongue plate 12. Further, in a preferred embodiment of the present invention, the bottom surface of the mounting portion 113 is located above the top surface of the tongue plate 12, so as to Reduce the space occupied by external circuit boards and save installation space.

The carrier plate 1131 is provided with a plurality of receiving grooves 1134 arranged side by side in the lateral direction. Each of the receiving grooves 1134 is open upward and is formed by two adjacent partitions 1135 at intervals. In this embodiment, the barrier 1135 extends backward beyond the rear end surface of the carrier plate 1131 , and terminates at the plane where the rear end surface of the extending arm 1132 is located.

In addition, the base portion 11 further has a pair of positioning protrusions 114 located on both sides of the base portion 112 in the lateral direction. Further, in this embodiment, the base portion 11 further has a pair of slots 115 disposed on both sides in the lateral direction, and the slots 115 are disposed at the intersection of the extension arm 1132 on the corresponding side and the base portion 112 , and it is concave from top to bottom.

The base portion 112 has a plurality of fixing grooves 1121 arranged in the transverse direction, a limiting wall 1123 located at the front side of the fixing groove 1121 , and a limiting groove 1124 located at the rear side of the fixing groove 1121 . The aforementioned fixing groove 1121 extends in the height direction, and is disposed upwardly and forwardly. The aforementioned limiting walls 1123 partially block the aforementioned fixing grooves 1121 at the front side thereof, and the aforementioned limiting walls 1123 are intermittently arranged to form openings 1125 communicating with the corresponding fixing slots 112 . The aforementioned limiting grooves 1124 are recessed on the upper side of the aforementioned base portion 112 and are provided in a one-to-one correspondence with the aforementioned fixing slots 1121 . In this embodiment, the number of the aforementioned fixing grooves 1121 is four. The aforementioned limiting slots 1124 and the aforementioned accommodating slots 1134 are provided in a one-to-one correspondence, and are aligned along the front-rear direction.

Referring to Figures 1 to 7, each of the conductive terminals 2 has a contact portion 21 protruding from the surface of the tongue plate 12 , a fixing portion 22 held in the insulating body 1 , and a rear end thereof for electrical It is electrically connected to the tail 23 on the external circuit board.

In the present invention, the tail portion 23 extends backward from the fixing portion 22 in the horizontal direction and is exposed to the outside of the base portion 11 , and the tail portion 23 is curved to elastically contact the circuit board without soldering.

Specifically, in this embodiment, the aforementioned conductive terminals 2 include a set of first conductive terminals 2a and a set of second conductive terminals 2b, and each of the first conductive terminals 2a has a curved shape protruding from the tongue plate 12 In the first contact portion 21a, each second conductive terminal 2b has a straight second contact portion 21b protruding from the tongue plate 12. In the front-rear direction, the second contact portion 21b is located on the first contact portion 21b. In front of the contact portion 21a, the transmission of high-speed signals is realized by the second group of conductive terminals 2b. In addition, the number of the first conductive terminals 2a is four, and the number of the second conductive terminals 2b is five.

Further, each of the aforesaid tail portions 23 has an abutting portion 231 which is arched downward and is formed to elastically contact with the circuit board. The rear side of the contact portion 231b. In a free state where the abutting portion 231 is not in contact with the circuit board, the abutting portion 231a of the first conductive terminal 2a is located below the abutting portion 231b of the second conductive terminal 2b in the height direction.

Each of the aforementioned conductive terminals 2 also has a connecting portion 24 connecting the top end of the aforementioned fixing portion 22 to the aforementioned tail portion 23 . The aforementioned connecting portion 24 of the aforementioned first conducting terminal 2 a extends in the front-rear direction and is limited to the limit position corresponding to the aforementioned insulating body 1 inside the groove 1124 and the receiving groove 1134 .

The fixing portion 22 of each of the first conductive terminals 2 a extends in the vertical direction, the fixing portion 22 of each conductive terminal 2 of the second conductive terminals 2 b is L-shaped, and the second conductive terminal 2 is L-shaped. Each of the conductive terminals 2b further has a connecting portion 25 located between the second contact portion 21b and the fixing portion 22 thereof. The width of the connecting portion 25 in the lateral direction is smaller than that of the fixing portion 22 thereof.

In this embodiment, the first conductive terminals 2 a are assembled in the insulating body 1 from top to bottom, and are fixed in the corresponding fixing grooves 1121 of the insulating body 1 by the fixing portions 22 thereof. The second conductive terminal 2b is embedded and molded in the insulating body 1, and the tongue plate 12 of the insulating body 1 is provided with a plurality of through holes 121 penetrating through it in the height direction, the through holes 121 and the second conductive terminal 2b. Each of the conductive terminals 2 is correspondingly arranged to partially expose the aforementioned conductive terminals 2 to the outside. In addition, in the present embodiment, a row of the through holes 121 is disposed near the front end of the tongue plate 12 , and the second contact portions 21 b of the second conductive terminals 2 b are correspondingly exposed at the through holes 121 .

Referring to Figures 1 to 4 in combination with Figures 6 and 7, the shielding shell 3 has a receiving space 30 that opens forward, and the tongue plate 12 protrudes from the receiving space 30 . Specifically, the aforementioned shielding shell 3 has a top wall 31, a bottom wall 32 and a pair of side walls 34 connecting the aforementioned top wall 31 and bottom wall 32, and the aforementioned top wall 31, bottom wall 32 and a pair of side walls 34 are connected to form the aforementioned housing Space 30.

The insulating body 1 also has a pair of holding grooves 1126, the pair of holding grooves 1126 are recessed at the bottom of the base portion 112, and the rear end of the bottom wall 32 is formed with a first bending extending into the corresponding holding grooves. stopper 321 .

The top wall 31 extends backward so that its rear end surface abuts the front end surface of the base portion 112 . In this embodiment, the bottom wall 32 further has a second stopper portion 322 extending backward beyond the rear end surface of the base portion 112 .

Further, each of the aforementioned side walls 34 has a positioning groove 341 recessed forward from the rear end thereof and a first joint portion 342 located at the front side of the aforementioned positioning groove 341 , and a pair of positioning protrusions 114 of the aforementioned base portion 11 are inserted forward correspondingly for positioning in the groove 341. In this embodiment, the first coupling portion 342 is a protruding structure protruding outside the corresponding side wall 34 . In other embodiments, the first coupling portion 342 can also be a concave structure that is recessed outside the corresponding side wall 34 . .

Meanwhile, as shown in the first to seventh figures, the electrical connector 100 further includes a fixing housing 4 fixed to one side of the shielding housing 3 and a reinforcing member 5 fixed to the rear of the shielding housing 3. The aforementioned The fixed housing 4 has at least a pair of wings 101 for mounting on an external circuit board, and each of the wings 101 defines a mounting hole for mounting on the external circuit board.

The fixed housing 4 includes a main body portion 41 and an extension portion 42 integrally extending backward from the main body portion 41. The main body portion 41 and the shielding housing 3 are fixed and cover the upper side of the tongue plate 12. In the present invention In a preferred embodiment, the main body portion 41 is connected to the shielding shell 3 by welding; in addition, the top wall 31 is provided with a pair of elastic arms 301 , and the main body portion 41 is correspondingly provided with a space slot 411 for avoiding the elastic arms 301 . . The aforementioned extension portion 42 covers the upper side of the aforementioned base portion 11 and has a pair of clasping portions 421 located at the bottom of the aforementioned base portion 11 to be caught and fastened to the aforementioned base portion 11 . Moreover, in this embodiment, the aforementioned extension portion 42 also has a downward bending extension. A pair of inserts 422 are inserted into the corresponding slots 115 . The pair of inserts 422 are located on both sides of the extending portion 42 in the lateral direction, and are located on the front side of the retaining portion 421 in the front-rear direction.

The aforesaid tail portion 23 is located within the shielding range of the aforementioned fixed housing 4 in the front-rear direction. Specifically, the aforementioned tail portion 23 is exposed at the rear side of the aforementioned shielding housing 3 and downwardly exposed below the extension portion 42 of the aforementioned fixed housing 4 Within the shielding range, that is, from the top of the electrical connector 100, the aforementioned tail portion 23 is not exposed to the outside, so that the fixed housing 4 can shield the conductive terminals 2 well, absorb external electromagnetic waves, and also It can suppress its own electromagnetic waves, thereby realizing the function of preventing electromagnetic interference.

As shown in Figures 2 to 4 in combination with Figures 6 and 7, in this embodiment, the reinforcing member 5 has a rear cover plate 51 covering the rear side of the shielding shell and oppositely disposed on the rear cover There is a pair of side cover plates 52 on both sides of the board 51. The pair of side cover plates 52 are respectively fixedly connected to the aforementioned shielding shell 3, and when the electrical connector 100 is subjected to a pressing force in the mating direction, the aforementioned electrical When the connector 100 is subjected to external pressing force, the resistance to pressing is enhanced to not less than 40 kg, that is, when the external pressing force is less than or equal to 40 kg, the electrical connector 100 will not be affected.

Further, the rear cover 51 has a matching portion 511 located in the middle of the lateral direction and fixed to the insulating body 1 . The matching portion 511 and the side cover 52 extend in the same direction. Specifically, the aforementioned matching portion 511 is a sheet-like structure formed by bending forward from the body portion 510 of the aforementioned rear cover plate 51 . The aforementioned insulating body 1 has a matching groove 1127 disposed at the bottom thereof and fixed with the aforementioned matching portion 511 . In the embodiment shown in the present invention, the aforementioned matching groove 1127 can be a multi-directional open structure with a downward and rearward opening. ; In other embodiments, the aforementioned matching groove 1127 can also be a one-way open structure that is only open to the rear. At this time, the aforementioned matching portion 511 is inserted forward and limited to the aforementioned matching slot 1127 . As shown in FIG. 7 , the second stopper portion 322 protrudes backward and its rear end surface is located at the rear side of the front surface of the rear cover 51 . In a preferred embodiment, the second stopper portion 322 is located at the rear side of the rear cover plate 51 . Right below the cover plate 51 to limit the position of the rear cover plate 51 on the lower side.

When the electrical connector 100 is subjected to a pressing force from the outside, the shielding shell 3 is first subjected to the pressing force. With the support of the aforementioned reinforcing member 5, the aforementioned shielding shell 3 can be maintained in a normal shape to avoid Deformation and disintegration, when the pushing force is gradually strengthened, the aforementioned shielding shell 3 gradually begins to generate a twisting and rotating deformation force, which in turn drives the aforementioned reinforcing member 5 to begin to have a twisting and rotating deformation force. Right below the rear cover plate 51 , the second stopper 322 can provide a stop and a limiting effect on the reinforcement member 5 at this time, so the second stopper portion 322 provides an anti-deformation force to the reinforcement member 5 . This enhances the ability to resist the pushing force.

Each of the aforementioned side cover plates 52 has a second joint portion 521 which is matched with the corresponding first joint portion 342 of the aforementioned shielding shell 3 . In this embodiment, the reinforcing member 5 is installed to the rear side of the shielding shell 3 from the rear to the front, the matching portion 511 is inserted forward into the matching groove 1127 , and the side cover 52 is connected to the side cover 52 through the second connecting portion 521 . The cooperation of the first joint portion 342 realizes the combination with the shielding shell 3, and at the same time, the aforementioned side cover plate 52 is further combined with the side wall 34 of the aforementioned shielding shell 3 by welding. In other embodiments of the invention, the aforementioned side cover plate 52 can also be fixed to the shielding shell 3 only by one of the second joint portion 521 and the welding method.

In the present invention, the aforementioned shielding shell 3 is not provided with fixing feet for engaging with the external circuit board, but is fixed by the wings 101 of the fixing shell 4 (or the fixing shell 4 and the reinforcing member 5 ). Installed on the circuit board, thereby increasing the bonding force between the electrical connector 100 and the circuit board.

In addition, as shown in Figures 2, 4 and 7, in the present invention, an insulating member 6 is disposed inside the extending portion 42 of the fixed housing 4, and the insulating member 6 is installed from above the tail portion 23. Cover up completely. In this embodiment, the insulating member 6 is in a sheet shape and is attached to the inner side of the extending portion 42 of the fixing housing 4 .

As shown in Figures 8 to 9, it is a second embodiment of the electrical connector 100' of the present invention. The basic composition and structure of the electrical connector 100' are the same as the electrical connector 100 in the first It includes an insulating body 1', at least one set of conductive terminals 2', a shielding shell 3', a fixing shell 4', and a reinforcing member 5' shielded outside the insulating body 1'. Other identical structures are not repeated here. Only the differences are explained below:

In this embodiment, the basic structure of the aforementioned reinforcing member 5 ′ is the same as that of the reinforcing member 5 in the first embodiment, the difference is that the aforementioned reinforcing member 5 ′ also has at least one pair of wings located on both sides in the transverse direction. The part 101' is combined with the corresponding wing part 101' of the aforementioned fixed housing 4' to jointly mount the electrical connector 100' on the external circuit board, and make the electrical connector 100' resistant to the mating direction. less than 40 kg. In addition, each side wall 34' of the aforementioned shielding shell 3' is bent to form a second stop portion 343' that resists the aforementioned insulating body 1'.

As shown in FIGS. 10 to 12, it is a third embodiment of the electrical connector 100 ″ of the present invention. The basic composition and structure of the electrical connector 100 ″ are also the same as the electrical connector 100 in the first embodiment. In the same way, it also includes an insulating body 1 ″, at least one set of conductive terminals 2 ″, a shielding shell 3 ″, a fixed shell 4 ″, a reinforcement 5 ″ shielded outside the insulating body 1 ″, and other The same structure will not be repeated here, and only the differences will be explained below:

In this embodiment, similar to the second embodiment, the aforementioned reinforcing member 5 ″ also has a pair of wings 101 ″ located on one of the two sides in the lateral direction thereof, so as to match the wings of the aforementioned fixed housing 4 ″. 101 ″ are combined to jointly mount the electrical connector 100 ″ on the external circuit board, and make the electrical connector 100 ″ withstand not less than 40 kg in the mating direction.

In addition, the fixed casing 4 ″ covers one side of the shielding casing 3 ″ in the height direction, and the reinforcing member 5 ″ shields the other side of the shielding casing 3 ″ in the height direction . Specifically, the aforementioned reinforcing member 5 ″ is formed by injection molding of metal powder, and includes a lower cover plate 53 ″, a pair of side cover plates 52 ″ located on both sides of the lower cover plate 53 ″ in the lateral direction, and a pair of side cover plates 52 ″ located on the lateral direction of the lower cover plate 53 ″ The rear cover 51 ″ on the rear side of the lower cover 53 ″ is integrally connected with the lower cover 53 ″ and the side cover 52 ″ to connect the shielding shell 3 ″. Four sides are covered, and one pair of wings 101 ″ of the aforementioned reinforcing member 5 ″ is formed by bending and extending from the aforementioned side cover plate 52 ″ on the corresponding side.

In addition, in this embodiment, the base portion 11 ″ of the insulating body 1 ″ has a protruding portion 116 ″ protruding downward, and the lower cover plate 53 ″ is provided with the protruding portion 116 ′ for receiving and limiting the position 'The positioning hole 531''.

The electrical connectors 100 , 100 ′, 100 ″ of the present invention strengthen the shielding shells 3 , 3 ′ by the reinforcing members 5 , 5 ′, 5 ″ fixed on the rear of the shielding shells 3 , 3 ′, 3 ″. The structural strength of 3'' and 3'', thereby improving the push-resistant capability of the electrical connectors 100, 100', 100''; , 4', 4'' to achieve its installation on the external circuit board, so that its installation is more secure.

It should be particularly pointed out that, for those of ordinary skill in the art, the equivalent changes to the present invention made under the teaching of the present invention should still be included in the claimed scope of the patentable scope of the present invention.

100, 100', 100'': electrical connector 101, 101', 101'': Wings 1, 1', 1'': insulating body 11, 11'': base 112: Base part 1121: Fixed slot 1123: Limit Wall 1124: Limit slot 1125: Opening 1126: Card slot 1127: Fitting slot 113: Installation Department 1131: Carrier plate 1132: Extension Arm 1133: missing slot 1134: Containment Slot 1135: Barrier 114: Positioning convex part 115: Slot 116'': Protrusion 12: Tongue plate 121: Through hole 2, 2', 2'': Conductive terminal 2a: first conductive terminal 2b: Second conductive terminal 21: Contact part 21a: first contact part 21b: Second contact part 22: Fixed part 23: tail 231, 231a, 231b: abutting part 24: Connection part 25: Connection Department 3, 3', 3'': shielding the shell 30: Containment space 301: Elastic Arm 31: Top Wall 32: Bottom wall 321: The first stop 322, 343': the second stop 34, 34': sidewall 341: Positioning slot 342: The first joint 4, 4', 4'': fixed shell 41: main body 411: Make way slot 42: Extensions 421: Buckle Department 422: Insert 5, 5', 5'': reinforcement 51, 51'': rear cover 510: Board body 511: Matching Department 52, 52'': side cover 521: Second Joint 53'': Lower cover 531'': Positioning hole 6: Insulation parts

The first figure is a perspective assembly view of the first embodiment of the electrical connector of the present invention. The second figure is a view from another perspective of the electrical connector shown in the first figure. The third figure is an exploded perspective view of the electrical connector shown in the first figure. FIG. 4 is a view from another perspective of the electrical connector shown in FIG. 3 . FIG. 5 is an exploded perspective view of the conductive terminal and the insulating body of the electrical connector shown in FIG. 3 . The sixth figure is a side view of the electrical connector shown in the first figure. FIG. 7 is a cross-sectional view of the electrical connector shown in FIG. 1 . Figure 8 is a perspective assembly view of the second embodiment of the electrical connector of the present invention. FIG. 9 is a partial exploded view of the electrical connector shown in FIG. 8 . FIG. 10 is a perspective assembly view of the third embodiment of the electrical connector of the present invention. FIG. 11 is a view of the electrical connector shown in FIG. 10 from another perspective. FIG. 12 is a perspective view of the reinforcing member of the electrical connector shown in FIG. 11 .

100: Electrical connector

101: Wings

1135: Barrier

23: tail

301: Elastic Arm

321: The first stop

322: Second stop

342: The first joint

421: Buckle Department

51: rear cover

Claims (10)

An electrical connector, comprising an insulating body, at least one set of conductive terminals held on the insulating body, and a shielding shell, the insulating body having a base and a tongue protruding from the front side of the base, each of the conducting terminals having a protruding The contact part on the surface of the tongue plate, the fixing part held in the insulating body, and the tail part located at the rear end to be electrically connected to the external circuit board; the shielding shell has a receiving space opened forward; Exposed in the receiving space, wherein the electrical connector further includes a reinforcing member fixed to the rear of the shielding shell. The electrical connector of claim 1, wherein the electrical connector further has a fixed housing fixed to one side of the shielding housing, and the fixed housing has at least a pair of at least one pair for mounting on an external circuit board The wing portion, the fixed housing includes a main body portion and an extension portion integrally extending backward from the main body portion, the main body portion and the shielding housing are fixed and covered on the upper side of the tongue plate, and the extension portion covers the base portion. upper side. The electrical connector according to the second claim, wherein the shielding shell has a top wall, a bottom wall and a pair of side walls connecting the top wall and the bottom wall, and the insulating body further has a pair of holding grooves, The rear end of the bottom wall is formed with a first stopper which is bent and extends into the corresponding holding groove. The electrical connector as claimed in claim 3, wherein the extension portion has a pair of latching portions located at the bottom of the extension portion to be latched on the base portion, the top wall is provided with a pair of elastic arms, and the main body portion has corresponding openings. There is an escape slot for avoiding the aforementioned elastic arm. The electrical connector according to claim 1, wherein the reinforcing member has a rear cover plate covering the rear side of the shielding shell and a pair of side cover plates oppositely disposed on both sides of the rear cover plate. The side cover plates are respectively fixedly connected with the aforementioned shielding shells, so that the electric connector has a pushing capacity of not less than 40 kg. The electrical connector according to claim 5, wherein the rear cover plate has a middle portion in the lateral direction thereof and a mating portion fixed with the insulating body. The electrical connector as claimed in claim 1, wherein the reinforcing member has at least a pair of the wing portions located on both sides in the lateral direction thereof, so as to be combined with the wings of the fixed housing to jointly hold the electrical connector together Installed on the above-mentioned circuit board, and make the electrical connector have a push-resistant capacity of not less than 40 kg. The electrical connector according to claim 5 or claim 7, wherein the shielding shell further has a second stopper portion protruding backward to limit the position of the reinforcing member. The electrical connector as claimed in claim 7, wherein the reinforcing member comprises a lower cover plate, a pair of side cover plates located on both sides of the lower cover plate in the lateral direction, and a rear cover plate located on the rear side of the lower cover plate, The rear cover is integrally connected with the lower cover and the side cover to cover the four sides of the shielding shell, and a pair of wings of the reinforcing member is formed by bending and extending from the side cover on the corresponding side. The electrical connector according to any one of claims 1 to 7, wherein the conductive terminals include a set of first conductive terminals and a set of second conductive terminals, and each of the first conductive terminals has a protrusion A curved first contact portion on the tongue plate, each second conductive terminal has a straight second contact portion protruding from the tongue plate, and in the front-rear direction, the second contact portion Located in front of the first contact portion, the tail portion extends backward from the top end of the fixing portion and is exposed to the outside of the base portion, and the tail portion is curved to elastically contact the circuit board without soldering.

Images