TWI399001B - Electrical connector and electrial connector assembly - Google Patents

Description

Electrical connector and combination thereof

The present invention relates to an electrical connector and combinations thereof, and more particularly to an electrical connector that is non-welded to a printed circuit board and combinations thereof.

In the current electronic field, electronic devices are increasingly becoming smaller, and in order to adapt to this trend, electrical connectors are also moving toward light, thin, short and small trends. An electrical connector using a sinker type structure to reduce the space occupied by the board after being assembled on a circuit board, which includes an insulative body and a plurality of terminals, is disclosed in Japanese Laid-Open Patent Publication No. Hei 11-12118. In the corresponding sinking structure, the terminal needs to be bent a plurality of times, that is, the contact portion which is butted against the mating connector is extended backward and then extended upward, and then extends horizontally backward and then extends downward. Thus, the terminal is complicated to manufacture. Terminal performance is affected. In view of this defect, an electrical connector using a splint structure to reduce the space occupied by the assembled circuit board disclosed in the Republic of China Patent Publication No. 454981, which includes an insulative housing and a shielding housing, has been developed. And a plurality of terminals, the two sides of the insulating body extend rearwardly to the positioning seat, the positioning seat is provided with a card slot, and the printed circuit board is horizontally inserted into the slot. At this time, the terminal tail portion is located on the lower two sides of the printed circuit board by the clamping plate, however, because the terminal tail portion is The cantilever shape and no other holding structure hold the printed circuit board, so the terminal tail must be soldered to the printed circuit board by surface soldering technology (SMT), that is, the electrical connector has to be soldered. Therefore, it is necessary to design an electrical connector that overcomes the above drawbacks.

It is an object of the present invention to provide an electrical connector and a combination thereof in which a terminal and a printed circuit board are electrically connected in an elastic manner.

It is an object of the present invention to provide an electrical connector that is easy to assemble and a combination thereof.

In order to achieve the above object, the present invention adopts the following technical solution: an electrical connector is mounted on a printed circuit board, and includes an insulative housing and a plurality of terminals received in the insulative housing. The terminal includes a mating component disposed at one end thereof. The contact portion and the abutting portion provided at the other end thereof are provided in the upper and lower rows, and the abutting portions of the upper and lower rows of terminals are elastically abutted against the printed circuit board by a cleat.

An electrical connector assembly comprising a printed circuit board and an electrical connector assembled on the printed circuit board, the electrical connector comprising an insulative housing, a plurality of terminals received in the insulating body, and a shielding housing covering the outside of the insulating body The terminal includes a contact portion disposed at one end of the mating component and abutting portion disposed at the other end thereof, the terminal is disposed in the upper and lower rows, and the abutting portion of the upper and lower rows of terminals and the printed circuit board are sandwiched Resilience abuts.

An electrical connector assembly comprising a printed circuit board and an electrical connector assembled on the printed circuit board, the electrical connector comprising an insulative housing, a plurality of terminals received in the insulating body, and a shielding housing covering the outside of the insulating body The terminal includes a contact portion disposed at one end thereof butted with the mating component and an abutting portion disposed at the other end thereof. The electrical connector receives the printed circuit board in an oblique direction and then rotates and presses the electrical connector to be parallel to the printed circuit board. The abutting portion of the terminal is electrically connected to the printed circuit board in an elastic abutting manner.

Compared with the prior art, the electrical connector of the present invention and the combination thereof have the following Benefits: The terminal and the printed circuit board are electrically connected by means of elastic abutment, without the need of a soldering process, and the assembly is convenient.

Referring to FIG. 1 to FIG. 6 , an electrical connector 100 mounted on the printed circuit board 5 includes an insulative housing 1 , a plurality of first terminals 2 and a second received in the insulative housing 1 . The terminal 3, the shielding case 4 covering the outside of the insulative housing 1, and the locking member, the locking member in the present embodiment means the nut 6 and the bolts 7, 8.

The insulative housing 1 includes a first body 11 and a second body 12. The first body 11 includes an abutting portion 111 that abuts against a mating component (not shown) and a first wing portion 112 that extends from the rear end of the abutting portion 111 to the both sides. The first wing portion 112 is provided with a circular opening 113. The second body 12 includes a positioning seat 121 and a second wing portion 122 extending from the front end of the positioning seat 121 to both sides. The second wing portion 122 is provided with a circular opening 123 corresponding to the circular opening 113 on the first wing portion 112. The bottom wall 1211 of the positioning base 121 is provided with an upwardly extending guide post 124 and a receiving hole located at a side of the guide post 124. The receiving hole is referred to as a circular opening 125 in the present embodiment and is disposed below and connected thereto. Square opening 127. The positioning seat 121 is provided with a recessed portion 1213 on the side wall 1212 thereof, and a card slot 1214 is formed in the bottom wall 1211 thereof. The first and second receiving slots 114, 126 are respectively disposed on the first and second receiving slots 114, 126, and the ends of the first and second receiving slots 114, 126 are provided with a blocking portion 1140. 1260.

The first terminal 2 includes a holding portion 20 , a contact arm 21 extending forward from the side of the holding portion 20 and received in the first receiving channel 114 of the first body 11 , and extending rearward from the other side of the holding portion 20 and receiving Second in the second body 12 The abutment arm 22 in the receiving channel 126. The contact arm 21 is provided with a contact portion 210 that abuts against the mating component, and the abutment arm 22 is provided with an abutting portion 220 that abuts against the printed circuit board 5. The abutting portions 220 of the upper and lower rows of the first terminals 2 are arranged in a front-rear direction in a direction in which the printed circuit board 5 is butted.

The structure of the second terminal 3 is similar to that of the conductive terminal 2, and includes a holding portion 30, a contact arm 31 extending forward from the side of the holding portion 30 and received in the first receiving channel 114 of the first body 11, and a self-holding portion. The other side of the 30 extends rearwardly and is received by the abutment arm 32 in the second receiving channel 126 of the second body 12. The contact arm 31 is provided with a contact portion 310 that abuts against the mating component, and the abutment arm 32 is provided with an abutting portion 320 that abuts against the printed circuit board 5. The abutting portions 320 of the upper and lower rows of the second terminals 3 are arranged in a staggered manner in the direction of the butting 5 with the printed circuit board.

The shielding housing 4 includes a first shielding housing 41, a second shielding housing 42 and a third shielding housing 43. The first shielding case includes a substrate 411, a front plate 412 extending upward from the front end of the substrate 411, and side plates 413 extending upward from the front ends of the both sides of the substrate 411, respectively. The base plate 411 is provided with a rearwardly extending latching piece 4110. The two sides of the latching piece 4110 are respectively provided with an upwardly extending elastic latching arm 414. The end of the elastic latching arm 414 is provided with a hook 4140. The front plate 412 and the side plate 413 are respectively provided with card holes 4120 and 4130. The second shielding case 42 includes a substrate 421, a front plate 422 extending downward from the front end of the substrate 421, and a side plate 423 extending downward from both sides of the substrate 421, respectively. The front plate 422 and the side plate 423 are respectively provided with inwardly projecting holding pieces 4220 and 4230. At the rear end of the substrate 421, there are two holding pieces 424 extending downwardly and then extending horizontally forwardly. The holding piece 424 is provided with a circular opening 4240, and the two sides of the holding piece 424 are disposed against the second body. Top of the side wall 1212 of 12 The abutment piece 425. The third shielding shell 43 is covered on the abutting portion 111 of the first body 11 and includes a mating frame 431 covering the mating portion 111 and a third wing portion 432 extending from the rear end of the mating frame 431 to the two sides. The third wing portion 432 is provided with a circular opening 4320.

The printed circuit board 5 is provided with a slot 52. A substrate 51 protrudes forwardly from the inside of the slot 52. The substrate 51 includes a plurality of conductive pads 511 and 512 disposed on the front and back sides thereof and the conductive pads 511 and 512. An elliptical guide hole 513 and a circular opening 514 at the rear end.

When the electrical connector 100 is assembled, the first and second terminals 2, 3 are first inserted into the first body 11 of the insulative housing 1 from the rear to the front. At this time, the contact arms 21, 31 and the holding portions 20, 30 are respectively received in The first receiving channel 114, the ends 211, 311 of the contact arms 21, 31 respectively abut against the blocking portion 1140; secondly, the abutting arms 22, 32 of the first and second terminals 2, 3 are received from the front to the rear The second receiving channel 126 of the second body 12 abuts the ends 221 and 321 of the abutting arms 22 and 32 respectively against the blocking portion 1260. At this time, the first wing portion 112 and the second body of the first body 11 The second wing portions 122 of 12 abut each other, and the first and second bodies 11, 12 are held together by the bolts 7 through the circular openings 113, 123; then, the nut 6 is pressed into the positioning of the second body 12. The third shielding shell 43 and the first shielding shell 41 are respectively assembled to the first body 11 and the second body 12, and the docking frame 431 of the third shielding shell 43 is assembled. Covering the abutting portion 111 of the first body 11 , the third wing portion 432 abuts against the front wall of the first wing portion 112 of the first body 11 , and the holding piece 4110 of the first shielding shell 41 is stuck The positioning seat bottom wall of the outer side wall of slot 121 1211 1214, 412 against the front plate portion of the third wing 432, side plates 413 against the first wing portion 112 and the second wing portion 122 The elastic fastening arms 414 are located on opposite sides of the side wall 1212 of the positioning seat 121. Referring to the seventh to ninth figures, when the electrical connector 100 is combined with the printed circuit board 5, it is first inclined to receive the printed circuit board 5 at an angle, and the first and second terminals 2, 3 of the upper and lower rows are connected. The abutting portions 220 and 320 are inclined to receive the substrate 51 of the printed circuit board 5, and the sidewall 1212 of the positioning seat 121 of the second body 12 and the elastic latching arm 414 are received in the slot 52 of the printed circuit board 5, and the elastic latching arm is 414 can be elastically recessed in the recessed portion 1213 of the sidewall 1212; then, the guide post 124 is rotated in the counterclockwise direction C to the electrical connector 100 and the printed circuit by the guiding engagement of the guide post 124 with the elliptical guiding hole 513 on the printed circuit board 5. The plates 5 are parallel to each other. At this time, the first and second terminals 2 and 3 of the upper and lower rows sandwich the printed circuit board 5 by means of a splint, and the ends 221 and 321 of the abutting portions 220 and 320 abut against the second receiving slot. The inner wall of the channel 126 is such that the abutting portions 220 and 320 are elastically abutted against the conductive pads 511 and 512 disposed on the front and back surfaces of the printed circuit board 5, and the end of the elastic latching arm 414 is hooked. 4140 is fastened on the printed circuit board 5; finally, the second shielding shell 42 is covered from top to bottom. The front plate 422 and the side plate 423 of the main body 1 are respectively abutted against the front plate 412 and the side plate 413 of the first shielding shell 41, and the inwardly protruding locking pieces 4220 and 4230 are respectively fastened to the card holes 4120 and 4130. The bolt 8 is passed through the circular opening 4240 on the holding piece 424, the circular opening 514 on the printed circuit board 5, the circular opening 125 on the positioning seat 121, and the square which has been previously assembled into the positioning seat 121. The nut 6 in the bore 127 fits. To this end, the electrical connector 100 is closely mated with the printed circuit board 5.

As can be seen from the above, the electrical connector 100 of the present invention accommodates the printed circuit board 5 in an oblique direction, and then is rotated down to the electrical connector 100 in parallel with the printed circuit board 5. The first and second terminals 2 and 3 of the lower row are elastically abutted on the printed circuit board 5 by means of a splint, that is, they can be reliably and electrically connected to the printed circuit board 5 without a soldering process, and the assembly is convenient.

The present invention only exemplifies a preferred embodiment of the electrical connector of the present invention and combinations thereof. Of course, the electrical connector of the present invention can also adopt other structures, such as providing a latching arm and a printed circuit board 5 on the second body 12. The upper slot 52 is matched; the first body 11 and the second body 12 can also be configured as an integral insulating body.

In summary, this creation has indeed met the requirements of the invention patent, and applied for a patent in accordance with the law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧First Ontology

111‧‧‧Docking Department

112‧‧‧First wing

114, 126‧‧‧ containment channels

113, 123, 125, 4240, 4320, 514‧‧‧ round openings

1140, 1260‧‧ ‧ stop

12‧‧‧Second ontology

121‧‧‧ Positioning Block

1211‧‧‧ bottom wall

1212‧‧‧ side wall

1213‧‧‧Depression

1214‧‧‧ card slot

122‧‧‧second wing

124‧‧‧ Guide column

127‧‧‧ square opening

2‧‧‧First terminal

20, 30‧‧‧ Holding Department

21, 31‧‧‧ contact arm

210, 310‧‧‧Contacts

22, 32‧‧‧ Abutment arm

220, 320‧‧‧Apartment

End of 221, 321‧‧

3‧‧‧second terminal

4‧‧‧Shaded housing

41‧‧‧First shielding shell

411, 421, 51‧‧‧ substrates

4110, 4220, 4230‧‧‧ cards

412, 422‧‧‧ front board

4120, 4130‧‧‧ Kakon

413, 423‧‧‧ side panels

414‧‧‧Flexible holding arm

4140‧‧‧ hook

42‧‧‧Second shielding shell

424‧‧‧ holding piece

425‧‧‧Affinity

43‧‧‧ Third shielding shell

431‧‧‧ docking box

432‧‧‧ Third Wing

5‧‧‧Printed circuit board

52‧‧‧ slotting

511, 512‧‧‧ conductive gasket

513‧‧‧ Guide hole

6‧‧‧ nuts

7, 8‧‧‧ bolts

The first figure is a perspective assembled view of the electrical connector of the present invention assembled on a printed circuit board.

The second figure is another perspective perspective combination of the first figure.

The third figure is an exploded perspective view of the second figure.

The fourth figure is a perspective view of the second body of the electrical connector of the present invention shown in the first figure.

Fig. 5 is a combination view showing the first embodiment of the electrical connector of the present invention when the second shield case is not assembled.

The sixth drawing is a cross-sectional view taken along line VI-VI of the fifth drawing.

Figure 7 is a cross-sectional view showing a cross section of the electrical connector of the present invention as it is obliquely received in a printed circuit board.

Figure 8 is a cross-sectional view showing a cross section of the electrical connector of the present invention in engagement with the printed circuit board in the seventh diagram.

The ninth drawing is a perspective view of the second shielding case and the bolt that are not mounted after the electrical connector and the printed circuit board of the present invention are installed.

The tenth drawing is a cross-sectional view taken along line X-X of the second drawing.

11‧‧‧First Ontology

12‧‧‧Second ontology

2‧‧‧First terminal

3‧‧‧second terminal

220‧‧‧Apartment

41‧‧‧First shielding shell

42‧‧‧Second shielding shell

43‧‧‧ Third shielding shell

5‧‧‧Printed circuit board

Claims (32)

An electrical connector is mounted on a printed circuit board and includes: an insulative housing, the insulative housing is provided with a receiving channel; and the plurality of terminals are received in the insulative housing, and the mating member is connected to the mating component at one end thereof. The contact portion and the abutting portion provided at the other end of the terminal abutting portion are received in the receiving channel; wherein the terminal is disposed in the upper and lower rows, and the abutting portion of the upper and lower rows of terminals and the printed circuit board are The splint is elastically abutted, and the receiving channel is provided with a stopping portion, and an end of the abutting portion abuts against the stopping portion. The electrical connector of claim 1, wherein when the printed circuit board is assembled to the electrical connector, the end of the abutting portion abuts against the inner wall of the receiving channel. The electrical connector of claim 1, wherein the abutting portions of the upper and lower rows of terminals are arranged in a front-back misalignment in a direction of abutting with the printed circuit board. The electrical connector of claim 1, wherein the insulative housing is provided with a guide post that guides the receiving of the printed circuit board. The electrical connector of claim 1, wherein the electrical connector comprises a shielding housing, the shielding housing being provided with an elastic latching arm that holds the printed circuit board. The electrical connector of claim 1, wherein the electrical connector comprises a shielding shell and a locking component, the shielding shell is provided with a holding piece, and the holding piece is provided with a locking component of the locking component; Opening. The electrical connector of claim 6, wherein the insulative housing is provided with an opening corresponding to the retaining piece and is engaged with the locking member. Hole. The electrical connector of claim 1, wherein the insulative housing comprises a first body and a second body, and the abutting portion of the terminal is received in the second body. The electrical connector of claim 1, wherein the insulative housing has an abutting portion, and the electrical connector further comprises a shielding housing that is wrapped around the abutting portion. An electrical connector assembly comprising: a printed circuit board; the electrical connector assembled on the printed circuit board, comprising: an insulative body, the insulative housing is provided with a receiving channel; the shielding shell is covered by the insulating body The plurality of terminals are received in the insulating body, and include a contact portion disposed at one end of the mating component and abutting portion disposed at the other end thereof, wherein the end of the terminal abutting portion is received in the receiving channel; The terminal is disposed in the upper and lower rows, and the abutting portion of the upper and lower rows of terminals is elastically abutted with the printed circuit board by a clamping plate, and the receiving channel is provided with a stopping portion, and the end of the abutting portion abuts against the blocking Ministry. The electrical connector assembly of claim 10, wherein when the printed circuit board is assembled to the electrical connector, the end of the abutting portion abuts against the inner wall of the receiving channel. The electrical connector assembly of claim 10, wherein the insulative housing has a side wall, and the printed circuit board is provided with a slot for receiving the side wall. The electrical connector assembly of claim 10, wherein the abutting portions of the upper and lower rows of terminals are arranged in a front-to-back misalignment in a direction of abutting with the printed circuit board. The electrical connector assembly of claim 10, wherein the insulative housing is provided with a guide post, and a corresponding guiding hole is provided on the printed circuit board for guiding engagement with the guide post. The electrical connector assembly of claim 10, wherein the shielding housing is provided with an elastic latching arm that holds the printed circuit board. The electrical connector assembly of claim 10, wherein the electrical connector comprises a shielding housing and a locking member, the shielding housing is provided with a holding piece, and the locking piece is provided with a locking member Fitted holes. The electrical connector assembly of claim 16, wherein the insulative housing is provided with a receiving hole corresponding to the opening on the holding piece and engaging with the locking piece. The electrical connector assembly of claim 10, wherein the insulative housing comprises a first body and a second body, and the abutting portion of the terminal is received in the second body. The electrical connector assembly of claim 10, wherein the insulative housing has an abutting portion, and the electrical connector includes a shielding housing that is wrapped over the abutting portion. An electrical connector assembly comprising: a printed circuit board; the electrical connector is assembled on the printed circuit board, comprising: an insulative body, the insulative body is provided with a guide post; the shielding shell is covered outside the insulating body; The plurality of terminals are received in the insulating body, and include a contact portion disposed at one end thereof and abutting portion disposed at the other end thereof; wherein the electrical connector receives the printed circuit board in an oblique direction and then rotates Press down until the electrical connector is parallel to the printed circuit board, and the abutting portion of the terminal is elastically abutted The method is electrically connected to the printed circuit board, and the printed circuit board is provided with a guiding hole that is matched with the guiding column. The electrical connector assembly of claim 20, wherein the terminals are disposed in an upper row and a lower row, and the abutting portions of the upper and lower rows of terminals are abutted and connected to the printed circuit board in a splint manner. The electrical connector assembly of claim 20, wherein the insulative housing is provided with a receiving channel, and the end of the terminal abutting portion is received in the receiving channel. The electrical connector assembly of claim 22, wherein the receiving channel is provided with a stopping portion, and an end of the abutting portion abuts against the stopping portion. The electrical connector assembly of claim 23, wherein when the printed circuit board is assembled to the electrical connector, the end of the abutting portion abuts against the inner wall of the receiving channel. The electrical connector assembly of claim 20, wherein the insulative housing has a side wall, and the printed circuit board is provided with a slot for receiving the side wall. The electrical connector assembly of claim 21, wherein the abutting portions of the upper and lower rows of terminals are arranged in a front-to-back misalignment in a direction of abutting with the printed circuit board. The electrical connector assembly of claim 20, wherein the insulative housing is provided with a receiving channel for receiving the terminal, and the end of the receiving channel is provided with a stopping portion, and the end of the abutting portion of the terminal abuts Relying on the stop. The electrical connector assembly of claim 20, wherein the shielding housing is provided with an elastic latching arm that holds the printed circuit board. The electrical connector assembly of claim 20, wherein the electrical connector comprises a shielding housing and a locking member, the shielding housing is provided with a holding piece, and the locking piece is provided with a locking member and a locking member. Fitted holes. The electrical connector assembly of claim 29, wherein the insulative housing is provided with a receiving hole corresponding to the opening in the holding piece and engaging with the locking piece. The electrical connector assembly of claim 20, wherein the insulative housing comprises a first body and a second body, and the abutting portion of the terminal is received in the second body. The electrical connector assembly of claim 20, wherein the insulative housing has an abutting portion, and the electrical connector includes a shielding housing that is wrapped over the abutting portion.