TWI854115B - Electrical connector assembly - Google Patents

Abstract

An electrical connector assembly includes a circuit board and two connectors. The two connectors are respectively located on the upper and lower surfaces of the circuit board. The circuit board is provided with a number of mounting holes, and each of the electrical connectors has a popularity of pins accommodated in the corresponding mounting hole. The pins of the two electrical connectors are accommodated in different mounting holes. The pins are respectively accommodated in different mounting holes and arranged asymmetrically to improve the gripping force of the electrical connector, ensure the stability of the electrical connector installation, and meet the high requirements of the vehicle.

Description

Electrical connector assembly

The present invention relates to an electrical connector assembly, and more particularly to an electrical connector assembly for mounting on both sides of a circuit board.

Known technology US invention patent No. US7540742B2 discloses a board connector, which includes a connector mounted on the ground surface of a motherboard and a second connector mounted on the top surface of the motherboard. US invention patent No. US5316488 discloses an IC card connector device, which includes a plug connector device, and the plug connector device includes an upper plug connector and a lower plug connector mounted on the motherboard. In the above structure, the connectors mounted on both sides of the motherboard have a weak gripping force and are easy to fall off during use, resulting in poor signal contact of the product.

Therefore, in view of the above problems, it is necessary to provide an improved electrical connector assembly to overcome the above defects.

The object of the present invention is to provide an electrical connector assembly with high gripping force.

To solve the above-mentioned problem, the present invention can adopt the following technical solution: an electrical connector assembly, including a circuit board and two electrical connectors respectively mounted on the upper and lower sides of the circuit board, the circuit board is provided with a plurality of mounting holes, each of the electrical connectors is provided with a plurality of pins received in the corresponding mounting holes; the pins of the two electrical connectors are respectively received in different mounting holes.

Compared with the prior art, the present invention has the following beneficial effects: the present invention accommodates the pins of the two electrical connectors in different mounting holes respectively, so as to better mount them on both sides of the circuit board, improve the gripping force of the electrical connector, and ensure the stability of the installation of the electrical connector.

In the present invention, the X direction in the first figure is defined as the left-right direction, the Y direction is defined as the up-down direction, and the Z direction is defined as the front-back direction.

Please refer to the first to eighth figures, which are the first embodiment of the present invention, an electrical connector assembly 1000 includes a circuit board 300 and a pair of electrical connectors 100 respectively mounted on the upper and lower sides of the circuit board 300, and the pair of electrical connectors 100 are arranged symmetrically with respect to the center. The circuit board 300 includes an upper surface 301 and a lower surface 302 arranged opposite to each other, a plurality of mounting holes 303, and four positioning holes 304 penetrating the upper and lower surfaces 301 and 302. The mounting holes 303 of the circuit board 300 include four first mounting holes 303a arranged separately and two third mounting holes 303b arranged separately. The first mounting holes 303a are arranged in pairs, and the first mounting holes 303a arranged in pairs are arranged adjacent to each other at intervals on the left and right. The four positioning holes 304 are located at the four corners of the rectangle.

As shown in FIG. 8 , the electrical connector 100 includes an insulating body 1 , a plurality of conductive terminals 2 fixed to the insulating body 1 , and a metal shell 3 covering the insulating body 1 .

The insulating body 1 includes a base 11, a tongue plate 12 protruding forward from the base 11, and a support plate 13 extending horizontally from the bottom of the base 11 to the bottom of the tongue plate 12. The support plate 13 is provided with a pair of positioning posts 14 protruding downward to be fixed to the circuit board 300. The positioning posts 14 are arranged staggered with each other in the left-right and front-back directions at the same time. Specifically, the pair of positioning posts 14 are located on the diagonal of the rectangle. The pair of positioning posts 14 of each electrical connector 100 are respectively received in the positioning holes 304 arranged diagonally. The positioning posts 14 can enable the electrical connector 100 to be accurately installed on the circuit board 300 and remain stable when the electrical connector 100 is welded. The support plate 13 is used to support the electrical connector 100 and to position the height between the electrical connector 100 and the circuit board 300 to prevent the electrical connector 100 from being installed too high or too low.

Please refer to the second to fifth figures, the metal housing 3 includes a top wall 31, a bottom wall 32, and two side walls 33 located on the left and right sides, and a receiving cavity 34 formed by the top wall 31, the bottom wall 32 and the two side walls 33. The tongue plate 12 of the insulating body 1 is received in the receiving cavity 34. Each of the electrical connectors 100 is also provided with a plurality of pins 35 mounted on the circuit board 300, and the plurality of pins 35 are received in the corresponding mounting holes 303. The pins 35 of the pair of electrical connectors 100 located on the upper and lower sides of the circuit board 300 are respectively received in different mounting holes. The pins 35 include a pair of first pins 35a and 35b extending downward from the rear of the two side walls 33 and a third pin 35c extending downward from the bottom wall 32 to be mounted on the circuit board 300. The first pins 35a and 35b are asymmetrically arranged, and their direct distances from the center line of the insulating body 1 along the left and right directions are not equal, please refer to Figure 7. In this embodiment, the first pin 35a is arranged to be bent and extended downward from the side wall 33 in a "7" shape, and the first pin 35b is arranged to extend vertically downward from the side wall 33. The distance d1 from the first pin 35a to the center line is greater than the distance d2 from the first pin 35b to the center line. The third pins 35c are located at a side away from the center of the insulating body 1 along the left-right direction. After the pair of electrical connectors are installed on the circuit board, the corresponding third pins 35c are arranged in a staggered manner along the left-right direction (see the fourth figure).

As shown in the fourth and fifth figures, the first pins 35a and 35b of the pair of electrical connectors are respectively received in the corresponding first mounting holes 303a. Specifically, the two first mounting holes 303a arranged in pairs respectively receive the first pins 35a and 35b, and the first pins 35a are arranged outside the first pins 35b, and are arranged adjacent to each other on the left and right. A pair of third pins 35c are respectively inserted into the corresponding third mounting holes 303b, and the pair of third pins 35c are arranged adjacent to each other on the left and right.

Please refer to FIG. 9 to FIG. 12 , which are the second embodiment of the present invention. The structure of the electrical connector assembly of this embodiment is substantially the same as that of the first embodiment, with the main differences being as follows.

The electrical connector assembly 1000' comprises a circuit board 300' and a pair of electrical connectors 100' respectively mounted on the upper and lower sides of the circuit board 300'.

The circuit board 300' includes two first mounting holes 305a and a third mounting hole 305b that are separately arranged.

The two first pins 36a and 36b corresponding to each other on the upper and lower sides of the pair of electrical connectors 100' are received in the corresponding first mounting hole 305a. The first pins 36a and 36b corresponding to each other on the upper and lower sides of the pair of electrical connectors 100' are arranged side by side in the same hole, and the first pin 36a is arranged outside the first pin 36b. The third pins 36c of the pair of electrical connectors 100' are received in the corresponding third mounting hole 305b, and the two third pins 36c in the same third mounting hole 305b are arranged side by side in a side-by-side manner.

As shown in FIGS. 13 to 20 , the structure of the third embodiment is substantially the same as that of the first embodiment, and the differences are as follows.

An electrical connector assembly 2000 includes a circuit board 400 and a pair of electrical connectors 200 respectively mounted on the upper and lower sides of the circuit board 400. The circuit board 400 is provided with a plurality of mounting holes 403. The pair of electrical connectors 200 are centrally symmetrically arranged.

The pair of pins 45 of the electrical connector 200 are respectively received in different mounting holes 403. The pins 45 include a pair of first pins 45a, 45b extending downward from the rear of the two side walls and a pair of second pins 45c, 45d extending downward from the front of the two side walls for mounting on the circuit board 400. In this embodiment, the first pins 45a, 45b are asymmetrically arranged, the pair of first pins 45a, 45b are staggered with each other in the front-rear direction and the first pin 45a is arranged behind the first pin 45b. The pair of second pins 45c, 45d are located in front of the first pins 45a, 45b and are asymmetrically arranged. The second pins 45c, 45d are staggered with each other in the front-rear direction and the second pin 45c is located in front of the second pin 45d. The second pins 45c, 45d of each side wall are located on the outer side of the corresponding first pins 45a, 45b in the left-right direction.

The mounting holes 403 include two first mounting holes 403a and a second mounting hole 403b that are separately arranged. The first mounting holes 403a are arranged in pairs and each pair of first mounting holes 403a is arranged adjacent to each other in front and back. The two first pins 45a and 45b corresponding to each other in the upper and lower parts of the pair of electrical connectors 200 are received in the corresponding first mounting holes 403a. The second pins 45c and 45d of the pair of electrical connectors 200 are respectively received in the corresponding second mounting holes 403b.

Please refer to Figures 21 to 22, which are schematic diagrams of the fourth embodiment of the present invention. The structure of the fourth embodiment is roughly the same as that of the third embodiment, and the differences are as follows.

The electrical connector assembly 2000' includes a circuit board 400' and a pair of electrical connectors 200' respectively mounted on the upper and lower sides of the circuit board 400'.

The circuit board 400' includes two first mounting holes 405a and a second mounting hole 405b that are separately arranged.

The two first pins 46a and 46b corresponding to each other in the upper and lower parts of the pair of electrical connectors 200' are received in the corresponding first mounting hole 405a. The first pins 46a and 46b corresponding to each other in the upper and lower parts of the pair of electrical connectors 200' are arranged side by side in the same hole, and the first pin 46a is arranged outside the first pin 46b. The second pins 46c and 46d of the pair of electrical connectors 200' are received in the corresponding second mounting hole 405b, and the two second pins 46c and 46d in the same second mounting hole 405b are arranged side by side in the same hole.

In the above four embodiments, in order to save production costs and facilitate assembly, the electrical connectors on the upper and lower sides of the circuit board are set to have the same structure. Of course, in other embodiments, electrical connectors with different structures can also be used to adapt to different circuit designs and signal transmission requirements.

At the same time, in the present invention, a pair of electrical connectors are fixed on the circuit board by socket welding to improve the gripping force of the electrical connectors and ensure the stability of the connection of the electrical connectors. However, in other embodiments, board mounting or other methods can also be used for assembly, which are not listed here one by one.

The present invention has the following beneficial effects: (1) The plug pins of the electrical connector are arranged as an asymmetric structure, that is, the plug pins are arranged as a front-to-back or left-to-right asymmetric structure, so as to adapt to installing two electrical connectors on the upper and lower sides of the circuit board, thereby saving manufacturing costs; (2) The plug pins of the electrical connector are arranged as an asymmetric structure, that is, the plug pins are arranged as a front-to-back or left-to-right asymmetric structure, so as to adapt to installing two electrical connectors on the upper and lower sides of the circuit board, thereby saving manufacturing costs.

The above is only a partial implementation of the present invention, not all implementations. Any equivalent changes made to the technical solution of the present invention by ordinary technicians in this field after reading the specification of the present invention are covered by the scope of the patent application of the present invention.

1000, 1000', 2000, 2000': electrical connector assembly 100, 100', 200, 200': electrical connector 1: insulating body 11: base 12: tongue plate 13: support plate 14: positioning column 2: conductive terminal 3: metal shell 31: top wall 32: bottom wall 33: side wall 34: receiving cavity 35: pin 35a, 35b, 36a, 36b, 45a, 45b, 46a, 46b: first pin 45c, 45d, 46c, 46d: second pin 35c, 36c: third pin 300: circuit board 301: upper surface 302: lower surface 303, 403: mounting holes 305a, 403a, 405a, 303a: first mounting holes 403b, 405b: second mounting holes 303b, 305b: third mounting holes 304: positioning holes

FIG1 is a three-dimensional schematic diagram of an electrical connector assembly according to a first embodiment of the present invention;

The second figure is a three-dimensional exploded view of the electrical connector assembly according to the first embodiment of the present invention;

The third figure is a three-dimensional schematic diagram of the second figure from another angle;

FIG4 is a cross-sectional view along dotted line IV-IV of FIG1;

FIG5 is a cross-sectional view along the dotted line V-V of FIG1;

FIG6 is a three-dimensional schematic diagram of the electrical connector in FIG1;

FIG. 7 is a cross-sectional view taken along dotted line VII-VII of FIG. 6;

FIG8 is a three-dimensional exploded view of the electrical connector of FIG6;

FIG9 is a three-dimensional schematic diagram of an electrical connector assembly according to a second embodiment of the present invention;

FIG. 10 is a three-dimensional exploded view of an electrical connector assembly according to a second embodiment of the present invention;

FIG11 is a cross-sectional view taken along the dotted line Ⅺ-Ⅺ of FIG9;

FIG12 is a cross-sectional view taken along the dotted line XII-XII of FIG9;

FIG13 is a three-dimensional schematic diagram of an electrical connector assembly according to a third embodiment of the present invention;

FIG14 is a three-dimensional schematic diagram of FIG13 from another angle;

FIG15 is a three-dimensional exploded view of the electrical connector assembly according to the third embodiment of the present invention;

FIG16 is a three-dimensional schematic diagram of FIG15 from another angle;

FIG17 is a cross-sectional view taken along the dotted line XVII-XVII of FIG13;

FIG18 is a cross-sectional view taken along the dotted line XVIII-XVIII of FIG13;

FIG19 is a three-dimensional schematic diagram of the electrical connector in FIG15;

FIG20 is a right side view of the electrical connector in FIG19;

FIG21 is a perspective exploded view of the electrical connector assembly according to the fourth embodiment of the present invention; and

FIG. 22 is a cross-sectional view of the first pin of the electrical connector assembly according to the fourth embodiment of the present invention.

without

100:Electrical connector

13: Support plate

14: Positioning column

34: Receiving chamber

35a, 35b: First pin

35c: Third prong

300: Circuit board

303: Mounting hole

304: Positioning hole

Claims (10)

An electrical connector assembly includes: a circuit board, the circuit board having a plurality of mounting holes; and two electrical connectors, respectively mounted on the upper and lower sides of the circuit board, and each of the electrical connectors having a plurality of pins received in the corresponding mounting holes; wherein the pins of the two electrical connectors are respectively received in different mounting holes. An electrical connector assembly as described in claim 1, wherein the corresponding pins in the two electrical connectors are adjacent to each other left and right or front and back and are spaced apart. An electrical connector assembly as described in claim 1, wherein each of the electrical connectors includes an insulating body, a plurality of conductive terminals fixed to the insulating body, and a metal shell covering the insulating body; the metal shell includes a top wall, a bottom wall, and two side walls located on the left and right sides that are arranged opposite to each other, the pins include a first pin formed respectively behind the two side walls, the mounting holes include four first mounting holes that are separately arranged, and the first pins of the two electrical connectors are respectively received in the corresponding first mounting holes. An electrical connector assembly as described in claim 3, wherein the two first pins of each electrical connector are staggered relative to each other in the front-rear direction or have unequal straight-line distances relative to the center line of the insulating body in the left-right direction. An electrical connector assembly as described in claim 4, wherein the front of the two side walls respectively form a second pin extending downward to be installed on the circuit board, the two second pins are located in front of the first pin and are asymmetrically arranged, the mounting hole includes four second mounting holes arranged separately, and the second pins of the two electrical connectors are respectively received in the corresponding second mounting holes. An electrical connector assembly as described in claim 5, wherein the two second pins of each electrical connector are arranged staggered with each other in the front-to-rear direction, and the second pin of each side wall is located on the outer side of the corresponding first pin in the left-right direction. An electrical connector assembly as described in claim 4, wherein the bottom wall is provided with a third pin extending downwardly for installation on the circuit board, the third pin is located on a side away from the center position of the electrical connector along the left-right direction, the mounting hole includes two third mounting holes arranged separately, and the third pins of the two electrical connectors are respectively accommodated in the corresponding third mounting holes. An electrical connector assembly as described in claim 7, wherein the insulating body includes a base, a tongue plate protruding forward from the base, and a support plate extending horizontally from below the base to below the tongue plate, the support plate is provided with a pair of positioning posts protruding downward to be fixed to a circuit board, the circuit board is provided with four positioning holes, and the positioning posts of the two electrical connectors are respectively received in different positioning holes. An electrical connector assembly as described in claim 8, wherein the positioning posts are arranged in pairs on corresponding support plates and are staggered in the front-rear and left-right directions at the same time, the circuit board is provided with four positioning holes penetrating the upper and lower surfaces of the circuit board, the four positioning holes are located at the four corners of a rectangle, and a pair of the positioning posts of each electrical connector are respectively accommodated in the diagonally arranged positioning holes. An electrical connector assembly as described in claim 1, wherein the two electrical connectors have the same structure and are centrally symmetrically arranged after being installed on the circuit board.

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