TWI725866B - 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 invention relates to an electrical connector, in particular to an electrical connector with better resistance to pushing.

As a standard input/output interface, the Universal Serial Bus (USB) 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, it is easy to cause the USB device to be subjected to multi-directional impact force, which may result in damage to the USB device. The traditional USB electrical connector includes an insulating body, a plurality of conductive terminals fixed in the aforementioned insulating body, and a shielding shell shielded from the aforementioned insulating body. However, when the traditional USB electrical connector is subjected to multi-directional impact force, the shielding shell is easy to cover. Deformation or disintegration is caused, and problems such as the deformation of the shielding shell together with the insulating body and the failure of the connection between the conductive terminal and the circuit board due to the deformation of the shielding shell and the insulating body under the action of large external force.

In view of this, it is indeed necessary to further improve the conventional electrical connector to solve the above-mentioned problems.

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

In order to achieve the above objective, the present invention provides an electrical connector, which includes an insulating body, at least one set of conductive terminals held on the insulating body, and a shielding shell. The insulating body has a base and a tongue plate protruding from the front side of the base. Each of the aforementioned conductive terminals has protruding from the surface of the aforementioned tongue plate The contact part, the fixed part held in the insulating body, and the tail part at the rear end of the insulating body to be electrically connected to the external circuit board. The aforementioned shielding shell has a receiving space open to the front, and the aforementioned electrical connector is also fixed to the aforementioned The fixed housing on one side of the shielding housing, the fixed housing has an assembling part for mounting on the external circuit board, the tongue plate protrudes in the receiving space, and the electrical connector further includes a fixed to the shielding housing Reinforcement at the rear.

As a further improvement of the present invention, the shielding shell 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 clamping grooves, and the rear end of the bottom wall is formed with The first stop part that is bent and extends into the corresponding clamping groove.

As a further improvement of the present invention, the assembling part is at least a pair of wing parts, the fixed housing includes a main body part and an extension part formed integrally extending rearward from the main body part, and the main body part is fixed to and shielded from the shielding housing. It is 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 extension portion has a pair of buckling portions located at the bottom of the extension portion to be buckled on the base portion, the top wall is provided with a pair of elastic arms, and the main body portion is correspondingly provided with a way to avoid the elastic arms. Bit slot.

In order to achieve the above object, the present invention also provides an electrical connector, which includes an insulating body, at least one set of conductive terminals held on the insulating body, and a shielding shell. The insulating body has a base and a tongue plate protruding from the front side of the base. Each of the aforementioned conductive terminals has a contact portion protruding from the surface of the tongue plate, a fixed portion held in the insulating body, and a tail portion located at the rear end of the terminal to be electrically connected to the external circuit board. The aforementioned shielding shell has a forward direction In an open receiving space, the tongue plate protrudes from the receiving space, wherein the electrical connector further includes a reinforcing member fixed to the rear of the shielding shell, wherein the reinforcing member has a rear cover that covers the rear of the shielding shell The board and the oppositely arranged on the aforementioned rear cover A pair of side cover plates on both sides of the board, the aforementioned pair of side cover plates are respectively fixedly connected with the aforementioned shielding shell, and the aforementioned reinforcing member is not welded with the aforementioned external circuit board.

As a further improvement of the present invention, the aforementioned rear cover has a middle part located in its transverse direction and a mating part fixed to the aforementioned insulating body.

As a further improvement of the present invention, the aforementioned reinforcing member has at least a pair of wings located on both sides in the transverse direction for mounting the electrical connector on the circuit board.

As a further improvement of the present invention, the aforementioned reinforcement includes a lower cover plate, and the aforementioned rear cover plate is integrally connected with the aforementioned lower cover plate and the side cover plate to cover the four sides of the aforementioned shielding shell.

In order to achieve the above object, the present invention also provides an electrical connector, which includes an insulating body, at least one set of conductive terminals held on the insulating body, and a shielding shell. The insulating body has a base and a tongue plate protruding from the front side of the base. Each of the aforementioned conductive terminals has a contact portion protruding from the surface of the tongue plate, a fixed portion held in the insulating body, and a tail portion located at the rear end of the terminal to be electrically connected to the external circuit board. The aforementioned shielding shell has a forward direction In an open accommodating space, the tongue plate protrudes from the accommodating space, wherein the electrical connector further includes a reinforcing member fixed to the rear of the shielding shell, wherein the conductive terminals include a set of first conductive terminals and a set of first conductive terminals. Two conductive terminals, each first conductive terminal has a curved first contact portion protruding on the tongue plate, and each second conductive terminal has a flat second contact portion protruding on the tongue plate The contact portion, in the front-to-back direction, the second contact portion is located in front of the first contact portion, the tail portion extends rearward from the top end of the fixed portion and is exposed to the outside of the base portion, and the tail portion is curved to connect to the circuit board. To avoid elastic contact by welding.

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

Compared with the prior art, the electrical connector of the present invention enhances the structural strength of the shielding shell by the reinforcing member fixed at the back of the shielding shell, thereby improving the resistance to pressing of the electrical connector.

100, 100', 100": electrical connector

101, 101', 101": Wing

1, 1', 1": Insulating body

11, 11": base

112: base

1121: fixed slot

1123: Limiting Wall

1124: limit slot

1125: opening

1126: card slot

1127: Mating Slot

113: Installation Department

1131: Carrier Board

1132: Extension arm

1133: missing slot

1134: Containment Slot

1135: compartment

114: positioning convex

115: slot

116": protrusion

12: Tongue plate

121: Through hole

2, 2', 2": conductive terminal

2a: The first conductive terminal

2b: second conductive terminal

21: Contact

21a: First contact

21b: second contact part

22: Fixed part

23: tail

231, 231a, 231b: abutment part

24: Connection part

25: Connection Department

3, 3', 3": shielding shell

30: Containment Space

301: Flexible arm

31: top wall

32: bottom wall

321: first stop

322, 343': second stop

34, 34': side wall

341: positioning slot

342: first joint

4, 4', 4": fixed shell

41: main body

411: Give way

42: Extension

421: buckle part

422: Insert

5, 5', 5": reinforcement

51, 51": rear cover plate

510: Board Body

511: Cooperating Department

52, 52": side cover plate

521: second joint

53": Lower cover plate

531": positioning hole

6: Insulation

The first figure is a three-dimensional assembly diagram 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 a three-dimensional exploded view of the electrical connector shown in the first figure.

Figure 4 is a view of the electrical connector shown in Figure 3 from another perspective.

The fifth figure is a three-dimensional exploded view of the conductive terminal and the insulating body in the electrical connector shown in the third figure.

Figure 6 is a side view of the electrical connector shown in Figure 1.

The seventh figure is a cross-sectional view of the electrical connector shown in the first figure.

The eighth figure is a three-dimensional assembly diagram of the second embodiment of the electrical connector of the present invention.

Figure 9 is a partial exploded view of the electrical connector shown in Figure 8.

The tenth figure is a three-dimensional assembly diagram of the third embodiment of the electrical connector of the present invention.

Figure 11 is a view of the electrical connector shown in Figure 10 from another perspective.

Figure 12 is a perspective view of the reinforcing member of the electrical connector shown in Figure 11.

Please refer to Figures 1 to 7 showing the first embodiment of the electrical connector 100 of the present invention. The aforementioned electrical connector 100 is used to be mounted on an external circuit board (not shown) and includes an insulating body 1 and a holder. At least one set of conductive terminals 2 and shielding shell 3 on the aforementioned insulating body 1.

Please refer to the first to sixth figures, the aforementioned insulating body 1 has a base 11 and a tongue plate 12 protruding from the front side of the aforementioned base portion 11. In this embodiment, the aforementioned tongue plate 12 extends from the front end surface of the aforementioned base portion 11. The body extends forwardly, 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 carrying plate 1131 extending in the transverse direction and two ends of the carrying plate 1131 in the transverse direction. A pair of extension arms 1132, the carrier plate 1131 and the base body 112 are spaced apart in the front-to-rear direction to form a slot 1133 between them. As shown in Figure 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 to Reduce the space occupied by the external circuit board and save installation space.

The supporting board 1131 is provided with a plurality of receiving slots 1134 arranged side by side along the transverse direction, and each of the receiving slots 1134 is opened upwardly and is formed by two adjacent partitions 1135 at intervals. In this embodiment, the aforementioned partition 1135 extends backward beyond the rear end surface of the aforementioned carrying plate 1131 and terminates in the plane where the rear end surface of the aforementioned extension arm 1132 is located.

In addition, the aforementioned base portion 11 also has a pair of positioning protrusions 114 located on both sides in the transverse direction, and the aforementioned pair of positioning protrusions 114 are respectively formed to protrude outward in the transverse direction from the two side surfaces of the aforementioned base portion 112. Further, in this embodiment, the aforementioned base portion 11 also has a pair of slots 115 which are separately arranged on both sides in the transverse direction, and the aforementioned slots 115 are provided on the corresponding side of the extension arm 1132 and the aforementioned base portion 112. , And formed 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 on the front side of the fixing groove 1121, and a limiting groove 1124 located on the rear side of the fixing groove 1121. The aforementioned fixing groove 1121 extends along the height direction, and is opened upward and forward. The aforementioned limiting wall 1123 partially shields the fixing groove 1121 on the front side, and the aforementioned limiting wall 1123 is intermittently arranged to form and correspondingly fix The slot 1121 communicates with the opening 1125. The limiting groove 1124 is recessed on the upper side of the base portion 112 and is provided in a one-to-one correspondence with the fixing groove 1121. In this embodiment, the number of the aforementioned fixing grooves 1121 is four. The aforementioned limiting slots 1124 and the aforementioned receiving slots 1134 are arranged in one-to-one correspondence, and are aligned in the front-to-back direction.

Please refer to the first to seventh figures, each of the aforementioned conductive terminals 2 has a contact portion 21 protruding from the surface of the aforementioned tongue plate 12, a fixing portion 22 held in the aforementioned insulative housing 1, and a rear end of the contact portion 21. It is connected to the tail 23 on the external circuit board.

In the present invention, the tail portion 23 extends rearwardly from the fixing portion 22 in a horizontal direction and is exposed to the outside of the base portion 11, and the tail portion 23 is curved to make elastic contact with the circuit board in a manner that prevents soldering.

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

Further, each of the aforementioned tail portions 23 has an abutting portion 231 that is arched downward to make elastic contact with the circuit board. In the front-rear direction, the abutting portion 231a of the first conductive terminal 2a is located on the second conductive terminal 2b. The back side of the abutting portion 231b. In the free state where the abutting portion 231 is not abutting to the circuit board, in the height direction, the abutting portion 231a of the first conductive terminal 2a is located below the abutting portion 231b of the second conductive terminal 2b.

Each of the aforementioned conductive terminals 2 also has a connecting portion 24 connecting the top end of the aforementioned fixing portion 22 and the aforementioned tail portion 23, and the connecting portion 24 of the aforementioned first conductive terminal 2a extends in the front-rear direction and is limited to the aforementioned The insulative housing 1 corresponds to the limiting slot 1124 and the receiving slot 1134.

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

In this embodiment, the first conductive terminal 2a is assembled into the insulating body 1 from top to bottom, and is fixed in the corresponding fixing groove 1121 of the insulating body 1 by the fixing portion 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 it in the height direction. The through holes 121 and the second conductive terminal 2b Each conductive terminal 2 is correspondingly arranged to partially expose the aforementioned conductive terminal 2 to the outside. In addition, in this embodiment, a row of the aforementioned through holes 121 is disposed close to the front end of the aforementioned tongue plate 12, and the second contact portion 21b of the aforementioned second conductive terminal 2b is correspondingly exposed at the aforementioned through hole 121.

Please refer to the first to fourth figures in combination with the sixth and seventh figures. The aforementioned shielding shell 3 has a receiving space 30 opened forward, and the aforementioned tongue plate 12 protrudes from the aforementioned 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 top wall 31 and the bottom wall 32. The top wall 31, the bottom wall 32, and the pair of side walls 34 are connected to form the aforementioned housing. Space 30.

The insulating body 1 further has a pair of clamping grooves 1126, the pair of clamping 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 and extending into the corresponding clamping grooves. STOP 321.

The top wall 31 extends rearward so that its rear end surface abuts against the front end surface of the base portion 112, and the tail portion 23 of the conductive terminal 2 protrudes from the rear side of the rear end surface of the bottom wall 32. In this embodiment, the bottom wall 32 further has a second stop 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 forwardly from its rear end surface and a first coupling portion 342 located on the front side of the aforementioned positioning groove 341, and one of the aforementioned base portions 11 is inserted forward into the corresponding positioning protrusion 114. In the slot 341. In this embodiment, the aforementioned first coupling portion 342 is a protruding structure protruding from the corresponding side wall 34. In other embodiments, the aforementioned first coupling portion 342 may also be a recessed structure recessed from the corresponding side wall 34 .

At the same time, please refer to the first to seventh figures, the aforementioned electrical connector 100 also has a fixed housing 4 fixed to one side of the aforementioned shielding housing 3 and a reinforcing member 5 fixed to the rear of the aforementioned shielding housing 3. The fixed housing 4 has at least a pair of wings 101 for mounting on an external circuit board, and each of the aforementioned wings 101 is provided with a mounting hole for mounting on the external circuit board.

The fixed housing 4 includes a main body 41 and an extension 42 formed integrally extending backward from the main body 41. The main body 41 and the shielding housing 3 are fixed and covered on the upper side of the tongue plate 12. In the present invention In a preferred embodiment, the main body 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 41 is correspondingly provided with a relief groove 411 for avoiding the elastic arms 301 . The extension portion 42 covers the upper side of the base portion 11 and has a pair of buckling portions 421 located at the bottom of the base portion 11 to be snapped on the base portion 11. Moreover, in this embodiment, the extension portion 42 also has a downward bending extension To insert a pair of insert pieces 422 into the corresponding slot 115, the pair of insert pieces 422 are separately disposed on both sides of the extension portion 42 in the lateral direction, and located in front of the buckle portion 421 in the front and rear direction.

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

As shown in the second to fourth figures in combination with the sixth and seventh figures, in this embodiment, the reinforcing member 5 has a rear cover plate 51 covering the rear side of the shielding case and is disposed opposite to the rear cover A pair of side cover plates 52 on both sides of the plate 51, the aforementioned 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 pushing force, its resistance to pushing is increased to not less than 40 kg, that is, when the external pushing force is less than or equal to 40 kg, the electrical connector 100 will not be affected.

Furthermore, the aforementioned rear cover plate 51 has a mating portion 511 located in the middle part of the transverse direction and fixed to the aforementioned insulating body 1, and the aforementioned matching portion 511 is formed to extend in the same direction as the aforementioned side cover plate 52. Specifically, the aforementioned mating portion 511 is a sheet-like structure formed by bending and extending forward from the plate body portion 510 of the aforementioned rear cover plate 51. The aforementioned insulating body 1 has a mating groove 1127 arranged at its bottom and fixed to the aforementioned mating portion 511. In the embodiment shown in the present invention, the aforementioned mating groove 1127 may be a multi-directional open structure that is opened downward and rearward. In other embodiments, the aforementioned mating groove 1127 can also be a unidirectional open structure that is only opened backwards. At this time, the aforementioned mating portion 511 is inserted forward and limited to the aforementioned mating groove 1127. As shown in Figure 7, the second stopper portion 322 protrudes rearward and its rear end is located behind the front surface of the rear cover 51. In a preferred embodiment, the second stopper portion 322 is located on the rear side. Directly below the cover plate 51 to limit the position of the aforementioned rear cover plate 51 on the lower side.

When the electrical connector 100 is subjected to a pushing force from the outside, the shielding shell 3 first receives the pushing force. With the support of the reinforcing member 5, the shielding shell 3 can be maintained in a normal shape and avoid Deformation and disintegration. When the pushing force is gradually strengthened, the aforementioned shielding shell 3 gradually begins to produce 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, and because the second stopper 322 is located Directly below the aforementioned rear cover plate 51, the second stopper 322 can provide a stop and limit function to the reinforcing member 5 at this time. Therefore, the second stopper 322 provides an anti-deformation force to the aforementioned reinforcing member 5. Advance And enhanced the ability to resist the pushing force.

Each of the aforementioned side cover plates 52 has a second coupling portion 521 that cooperates with the corresponding first coupling portion 342 of the aforementioned shielding shell 3. In this embodiment, the reinforcing member 5 is mounted to the rear side of the shielding shell 3 from back to front, the mating portion 511 is inserted into the mating groove 1127 forward, and the side cover 52 is connected to the side cover plate 52 through the second coupling portion 521 The cooperation of the first coupling portion 342 realizes the coupling with the shielding shell 3. At the same time, the aforementioned side cover plate 52 is further coupled with the side wall 34 of the aforementioned shielding shell 3 by welding. Of course, in this In other embodiments of the invention, the aforementioned side cover plate 52 can also be fixed to the shielding shell 3 by only one of the second coupling portion 521 and a welding method.

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

In addition, as shown in the second, fourth, and seventh figures, in the present invention, an insulating member 6 is provided inside the extension 42 of the fixed housing 4, and the insulating member 6 cuts it from above the tail 23 Fully covered. In this embodiment, the aforementioned insulating member 6 is in the form of a sheet and is attached to the inner side of the extension 42 of the aforementioned fixed housing 4.

As shown in Figures 8 to 9, it is the second embodiment of the electrical connector 100' of the present invention. The basic composition and structure of the aforementioned electrical connector 100' are the same as those of the electrical connector 100 in the first embodiment. It includes an insulating body 1', at least one set of conductive terminals 2', a shielding shell 3', a fixed shell 4', and a reinforcing member 5'that are shielded outside the insulating body 1'. Other similar structures will not be repeated here. The following is only the difference for description: In this embodiment, the basic structure of the aforementioned reinforcing member 5'is the same as the reinforcing member 5 in the first embodiment, the difference is that the aforementioned reinforcing member 5'also has the At least a pair of wings 101' on both sides in the lateral direction are combined with the corresponding wings 101' of the aforementioned fixed housing 4'to jointly install the electrical connector 100' On an external circuit board, and make the resistance of the electrical connector 100' in the mating direction not less than 40 kilograms. 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 Figures 10 to 12, it is the third embodiment of the electrical connector 100" of the present invention. The basic composition and structure of the aforementioned electrical connector 100" are also the same as those of the electrical connector 100 in the first embodiment. It also includes an insulating body 1", at least one set of conductive terminals 2", and a shielding shell 3", a fixed shell 4", and a reinforcing member 5" that are shielded outside the insulating body 1". Other similar structures will not be repeated here. In the following, only the differences will be described: in this embodiment, similar to the second embodiment, the aforementioned reinforcing member 5" also has a pair of wing portions 101" located on both sides in the transverse direction, which is similar to the aforementioned The wings 101" of the fixed housing 4" are combined to jointly mount the electrical connector 100" on the external circuit board, and make the electrical connector 100" endurance in the mating direction not less than 40 kilograms.

In addition, the fixed housing 4" covers one side of the shielding housing 3" in the height direction, and the reinforcing member 5" covers the other side of the shielding housing 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 transverse direction, and a pair of side cover plates 52" located on the lower cover plate 53. The "rear side rear cover plate 51", the aforementioned rear cover plate 51" is integrally connected with the aforementioned lower cover plate 53" and the side cover plate 52" to cover the four sides of the aforementioned shielding shell 3", and the aforementioned reinforcement 5" A pair of wings 101" is formed by bending and extending from the aforementioned side cover plate 52" of the corresponding side.

Furthermore, in this embodiment, the base portion 11" of the aforementioned insulating body 1" has a downwardly protruding protrusion 116", and the aforementioned lower cover plate 53" is provided with a positioning hole 531 for accommodating and limiting the aforementioned protrusion 116". ".

The electrical connector 100, 100', 100" of the present invention is fixed to the aforementioned shielding shell 3, 3', The reinforcements 5, 5', 5" at the rear of the 3" enhance the structural strength of the shielding shell 3, 3', 3", thereby enhancing the pressing resistance of the electrical connector 100, 100', 100"; and by The fixed shells 4, 4', 4" fixed on the side of the shielding shells 3, 3', 3" can be installed on the external circuit board to make the installation more firm.

In particular, it needs to be pointed out that for those of ordinary skill in the art, equivalent changes made to the present invention under the teaching of the present invention should still be included in the claimed scope of the patent application of the present invention.

100: electrical connector

101: Wing

1135: compartment

23: tail

301: Flexible arm

321: first stop

322: second stop

342: first joint

421: buckle part

51: rear cover

Claims (10)

An electrical connector, which includes an insulating body, at least one set of conductive terminals held on the insulating body, and a shielding shell. The insulating body has a base and a tongue protruding from the front side of the base. Each of the conductive terminals has a The contact part on the surface of the tongue plate, the fixing part held in the insulating body, and the tail part at the rear end of the tongue plate to be electrically connected to the external circuit board, the shielding shell has a receiving space opened forward, and the tongue plate protrudes Exposed in the accommodating space, the electrical connector further has a fixed housing fixed to one side of the shielding housing, and the fixed housing has an assembly part for mounting on an external circuit board, wherein the electrical connector further includes a fixing The reinforcement at the rear of the aforementioned shielding shell. The electrical connector described in the first item of the scope of patent application, 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 clamping grooves, The rear end of the aforementioned bottom wall is formed with a first stop portion bent and extended into the corresponding clamping groove. According to the electrical connector described in claim 2, wherein the assembling part is at least a pair of wing parts, the fixed housing includes a main body and an extension part formed integrally extending backward from the main body, and the main body and The shielding shell is fixed and covered on the upper side of the tongue plate, and the extension part covers the upper side of the base part. The electrical connector described in item 3 of the scope of the patent application, wherein the extension portion has a pair of buckling portions located at the bottom of the extension portion to be buckled on the base portion, the top wall is provided with a pair of elastic arms, and the main body portion is correspondingly opened There is a relief slot to avoid the aforementioned elastic arm. An electrical connector, which includes an insulating body, at least one set of conductive terminals held on the insulating body, and a shielding shell. The insulating body has a base and a tongue protruding from the front side of the base. Each of the conductive terminals has a The contact part on the surface of the tongue plate is fixed to the insulating body The inner fixing part and the tail part at the rear end of the outer circuit board are electrically connected to the external circuit board. The shielding shell has a receiving space open to the front, and the tongue plate protrudes into the receiving space, wherein the electrical connector It also includes a reinforcement fixed to the rear of the shielding shell, wherein the reinforcement has a rear cover covering the rear of the shielding shell and a pair of side cover plates arranged opposite to the two sides of the rear cover. The cover plates are respectively fixedly connected with the aforementioned shielding shell, and the aforementioned reinforcing member is not welded with the aforementioned external circuit board. According to the electrical connector described in item 5 of the scope of the patent application, the rear cover plate has a middle part located in the transverse direction of the rear cover plate and a mating part fixed to the insulating body. According to the electrical connector described in item 6 of the scope of patent application, the aforementioned reinforcing member has at least a pair of wings located on both sides in the lateral direction of the electrical connector for mounting the electrical connector on the circuit board. The electrical connector described in item 7 of the scope of patent application, wherein the reinforcing member includes a lower cover plate, and the rear cover plate is integrally connected with the lower cover plate and the side cover plate to cover the four sides of the shielding shell . An electrical connector, which includes an insulating body, at least one set of conductive terminals held on the insulating body, and a shielding shell. The insulating body has a base and a tongue protruding from the front side of the base. Each of the conductive terminals has a The contact part on the surface of the tongue plate, the fixing part held in the insulating body, and the tail part at the rear end of the tongue plate to be electrically connected to the external circuit board, the shielding shell has a receiving space opened forward, and the tongue plate protrudes Exposed in the aforementioned accommodating space, wherein the aforementioned electrical connector further includes a reinforcing member fixed to the rear of the aforementioned shielding shell, wherein the aforementioned conductive terminal includes a set of first conductive terminals and a set of second conductive terminals, each of the first conductive terminals There is a curved first contact portion protruding on the tongue plate, and each second conductive terminal has a second contact portion protruding on the tongue plate and having a straight shape. In the front-to-rear direction, the first contact portion The second contact part is located at the aforementioned first contact In front of the contact portion, the tail portion extends rearward from the top end of the fixed portion and is exposed to the outside of the base portion, and the tail portion is curved to make elastic contact with the circuit board in a manner that prevents soldering. The electrical connector described in any one of items 1, 5, and 9 of the scope of the patent application, wherein the shielding shell further has a second stopper protruding backward to limit the position of the reinforcing member .

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