TWM509998U - Electrical connector - Google Patents

Description

Electrical connector 【0001】

The present invention relates to an electrical connector, and more particularly to an electrical connector that facilitates soldering leads.

【0002】

With the rapid development of the electronics industry, electrical connectors have been widely used as a connection device for transmitting digital signals, audio signals, and image signals. With the development of science and technology, the requirements for signal transmission speed, security and size of electrical connectors are gradually increasing, which makes more and more electrical connectors need to accommodate more terminals capable of transmitting high-frequency signals. In order to ensure stable transmission, the high-frequency signal transmission terminals are provided with a grounding terminal for preventing interference at the same time; thereby making the arrangement pitch between the terminals more compact in the case where the electrical connector is small in volume, and further As a result, the soldering legs of the terminals of the electrical connector are difficult to solder when connecting the cables or are prone to mutual contact, resulting in a short circuit.

[0003]

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

[0004]

The purpose of this creation is to provide an electrical connector that facilitates soldering leads.

[0005]

In order to achieve the above object, the present invention relates to an electrical connector comprising: an insulative housing having a base and an abutting portion extending forward from the base, the abutting portion having a longitudinally extending butt groove and oppositely disposed on a first wall and a second wall on the upper and lower sides of the docking groove, the second wall has a groove communicating with the docking groove and a first portion and a second portion formed by the groove, the first wall having a space opposite to the groove a first extension portion; a conductive terminal, the conductive terminal includes a first terminal group, a second terminal group, and a third terminal group respectively fixed to the first portion, the second portion, and the first extension portion, the first terminal group and the third terminal group The terminal group respectively has a plurality of ground terminals and a plurality of pairs of differential signal terminals spaced between adjacent ground terminals, each of the conductive terminals having a fixing portion fixed in the base portion, the contact portion extending from one end of the fixing portion to the abutting portion and the self a soldering leg extending from the other end of the fixing portion to a rear side of the base; a grounding member having a main body portion fixed to the base portion and a plurality of connecting legs extending from the main body portion Connecting pins are in contact with the first terminal group and the third terminal groups of the fillet on the outer surface of the ground terminal is connected.

[0006]

As a further improvement of the present invention, the differential signal terminals in the first terminal group and the third terminal group are respectively arranged in a row; the main body portion of the grounding element has a sheet-like design extending along a longitudinal direction of the insulating body, and The length of the main body portion along the longitudinal direction of the insulative housing is not less than the total length of the arrangement of the differential signal terminals.

【0007】

As a further improvement of the present invention, the first portion, the second portion and the first expansion portion are respectively provided with a plurality of terminal fixing grooves extending through the insulating body, and the rear side of the base portion is formed with a plurality of terminal fixing grooves respectively. The fixing portion is fixed in the terminal fixing groove, and the soldering legs are bent from the fixing portion and are respectively received in the positioning groove.

[0008]

As a further improvement of the present invention, the positioning groove is disposed perpendicular to the terminal fixing groove.

【0009】

As a further improvement of the present invention, the positioning grooves are disposed at intermediate positions on the rear side of the base, and are arranged in a row along the longitudinal direction.

[0010]

As a further improvement of the present invention, the base portion is formed with a receiving groove spaced apart from the terminal fixing groove along the thickness direction of the insulating body, and the main body portion of the grounding member is received in the receiving groove, the connecting leg Lap the back side of the soldering leg of the ground terminal.

[0011]

As a further improvement of the present invention, the accommodating groove is disposed directly behind the second wall and located outside the terminal fixing groove.

[0012]

As a further improvement of the present invention, the second terminal group includes a plurality of power terminals, and at least some of the solder legs of the plurality of power terminals are connected to each other.

[0013]

As a further improvement of the present invention, the first wall further includes a second extension portion disposed opposite to the first portion, the conductive terminal further includes a fourth terminal group fixed on the second extension portion, and the fourth terminal group includes a For signal terminals and one detection terminal.

[0014]

As a further improvement of the present invention, the solder fillets of the conductive terminals in the fourth terminal group are disposed between the solder tails of the conductive terminals in the first terminal group.

[0015]

The present invention is characterized in that the grounding element connected to the conductive terminal is disposed on the rear side of the electrical connector, and the connecting leg connected to the soldering leg of the plurality of grounding terminals is respectively disposed on the grounding component, thereby, after the present electrical connector When the side is connected with the wire, the grounding wire connected to the grounding terminal in the first terminal group and the third terminal group can be reduced to one, and the grounding wire can be connected from any one of the plurality of connecting legs, thereby being The arrangement density of the wires on the back side of the small-sized electrical connector avoids the short-circuit problem caused by mutual contact, and facilitates the lead-out of the wire insulation body.

[0034]

100‧‧‧Electrical connector
1‧‧‧Insulating body
11‧‧‧ base
110‧‧‧ Housing Department
113‧‧‧ protrusion
1131‧‧‧ positioning slot
111‧‧‧Locking slot
112‧‧‧through slot
12‧‧‧Docking Department
121‧‧‧ docking slot
122‧‧‧ first wall
1221‧‧‧First Extension
1222‧‧‧Second Extension
123‧‧‧ second wall
1231‧‧‧ Groove
1232‧‧‧Part 1
1233‧‧‧Part II
13‧‧‧ Guide column
14‧‧‧ terminal fixing slot
15‧‧‧ accommodating slots
2‧‧‧Electrical terminals
20‧‧‧First terminal group
21‧‧‧Second terminal group
22‧‧‧ Third terminal group
23‧‧‧fourth terminal group
24‧‧‧Fixed Department
25‧‧‧Contacts
26‧‧‧ solder feet
27‧‧‧Connecting piece
3‧‧‧ Grounding components
31‧‧‧ Main body
32‧‧‧Export foot
5‧‧‧Back cover
51‧‧‧ cover
511‧‧‧ openings
52‧‧‧Bucking arm
53‧‧‧ side

[0016]

The first figure is a perspective view of a preferred embodiment of the present invention.
The second figure is a partially exploded view 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.
The fourth figure is an exploded perspective view of another angle of the electrical connector shown in the first figure.
The fifth figure is a schematic diagram of the connection of the conductive terminals and the grounding elements in the electrical connector shown in the first figure.

[0017]

A preferred embodiment of the present invention is shown in FIG. 1 to FIG. 5 . In the embodiment, the electrical connector 100 is specifically a line-side SATA connector and includes an insulative housing 1 . And a plurality of conductive terminals 2 fixed to the insulative housing 1 , a grounding element 3 , and a back cover 5 fastened to the rear side of the insulative housing 1 .

[0018]

Referring to FIG. 3 to FIG. 4 , the insulative housing 1 is generally elongated and has a base portion 11 , an abutting portion 12 extending forward from the base portion 11 , and a front end extending from the front end of the base portion 11 respectively. Two guide posts 13. The guide posts 13 are respectively connected to the two sides of the abutting portion 12 in the longitudinal direction to guide the docking of the mating connector (not shown).

[0019]

A receiving portion 110 is formed in the middle of the rear side of the base portion 11. A plurality of fastening slots 111 are respectively disposed on the upper side and the lower side of the thickness direction, and a pair of left and right sides along the longitudinal direction are respectively formed through the receiving portion 110. Slot 112. A protrusion 113 extending in the longitudinal direction is formed in the middle of the inside of the housing portion 110. The protrusion 113 is formed with a plurality of positioning grooves 1131 penetrating up and down in the thickness direction. The through slot 112 is used to lead out a wire (not shown) that electrically connects the conductive terminal 2 .

[0020]

The back cover 5 is provided with a cover body 51 for covering the rear side of the accommodating portion 110, a plurality of latching arms 52 extending forward from the upper and lower sides of the cover body 51, and two sides extending forward from the two sides of the cover body 51, respectively. 53. The latching arm 52 is configured to be fastened to the latching slot 111 to fix the rear cover 5 to the rear side of the insulative housing 1 . The cover 51 is provided with an opening 511 penetrating forward and backward at a position close to the side portions 53. The opening 511 is in communication with the through slot 112 for the wire to pass therethrough.

[0021]

The abutting portion 12 has a longitudinally extending butting groove 121 and a first wall 122 and a second wall 123 opposite to the upper and lower sides of the mating groove 121. The docking slot 121 is open to the front and is used to receive the docking connector. The second wall 123 has a groove 1231 communicating with the docking groove 121 and a first portion 1232 and a second portion 1233 which are formed by the groove 1231. The conductive terminal is not disposed in the groove 1231 and penetrates the front end surface of the insulating body 1 in the mating direction. The first wall 122 has a first expanded portion 1221 disposed opposite to the groove 1231 in the thickness direction and a second expanded portion 1222 disposed opposite to the first portion 1232 in the thickness direction. The first expansion portion 1221 and the second expansion portion 1222 have a certain height in the thickness direction and the width direction of the insulative housing 1 such that the thickness of the portion is thicker than other portions of the first wall 122.

[0022]

The insulative housing 1 has a plurality of terminal fixing grooves 14 penetratingly disposed in the front-rear direction. The first portion 1232 and the first expansion portion 1221 are respectively provided with seven terminal fixing slots 14, and the second portion 1233 is provided with fifteen terminal fixing slots 14, the second extension Three terminal fixing grooves 14 are provided in the portion 1222. The front end of the terminal fixing groove 14 on the first expanding portion 1221 and the second expanding portion 1222 penetrates the front end surface of the insulating body 1 forward and penetrates the outer surface of the first wall 122 upward. In addition, the base portion 11 of the insulative housing 1 is further provided with a receiving groove 15 for fixing the grounding member 3. The accommodating groove 15 is disposed directly behind the first portion 1232 and disposed outside the terminal fixing groove 14 along the thickness direction of the insulating body 1 and spaced apart from the terminal fixing grooves 14 .

[0023]

The positioning grooves 1131 on the rear side of the base portion 11 are respectively in one-to-one correspondence with the terminal fixing grooves 14 and are disposed perpendicular to the terminal fixing grooves 14. In addition, in the embodiment, the positioning grooves 1131 are arranged in a row in the longitudinal direction, and the terminals on the terminal fixing groove 14 and the second wall 123 on the first wall 122 in the thickness direction of the insulating body 1 are fixed. Between the slots 14.

[0024]

Referring to FIG. 3 to FIG. 5 , the conductive terminal 2 includes a plurality of pairs of differential signal terminals, a plurality of ground terminals, and a plurality of power terminals. In the embodiment, the conductive terminals 2 are generally divided into four groups, and the first terminal group 20 is respectively fixed on the first portion 1232, the second portion 1233, the first expanding portion 1221 and the second expanding portion 1222. The second terminal group 21, the third terminal group 22, and the fourth terminal group 23.

[0025]

Each of the conductive terminals 2 has a fixing portion 24 fixed in the terminal fixing groove 14 of the base portion 11, and a solder portion extending from one end of the fixing portion 24 to the contact portion 25 of the abutting portion 12 and the other end of the fixing portion 24 to the rear side of the base portion 11 Feet 26. The contact portion 25 protrudes into the mating slot 121 to be electrically connected to the mating connector. The solder fillet 26 is located in the receiving portion 110 on the rear side of the base portion 11; specifically, the solder fillet 26 is bent upward or downward from the rear end of the fixing portion 24 and is respectively received in the positioning groove 1131.

[0026]

The differential signal terminals are distributed in the first terminal group 20 and the third terminal group 22. The first terminal group 20 and the third terminal group 22 respectively include seven conductive terminals 2, and are respectively fixed to the first fixing portion 1 of the insulative housing 1 and the terminal fixing groove 14 of the first extending portion 1221. . The seven conductive terminals 2 of the first terminal group 20 conform to the definition of the signal terminals S1-S7 in the SATA connector specification, and include three ground terminals and two pairs of differential signal terminals spaced between adjacent ground terminals; The seven conductive terminals 2 of the third terminal group 22 conform to the definition of the signal terminals S8-S14 in the SATA connector specification, and also include three ground terminals and two pairs of differential intervals between adjacent ground terminals. Signal terminal. The second terminal group 21 includes fifteen conductive terminals 2 respectively corresponding to the terminal fixing slots 14 fixed on the second portion 1233 of the insulative housing 1, and the conductive terminals 2 in the second terminal group 21 conform to the SATA. The definition of terminals P1-P15 in the connector specification includes six power terminals of P7, P8, P9 and P13, P14 and P15. The fourth terminal group 23 includes three conductive terminals 2 respectively corresponding to the terminal fixing slots 14 fixed on the second expansion portion 1222. The three conductive terminals 2 conform to the definition of the terminals E7-E9 in the SATA connector specification. It includes a pair of signal terminals and a detection terminal.

[0027]

In addition, the arrangement of the conductive terminals 2 in the insulative housing 1 is the same as the arrangement direction in the SATA connector specification, that is, the conductive terminals 2 in the first terminal group 20 and the second terminal group 21 are arranged in a row. On the lower side of the docking groove 121, the conductive terminals 2 of the third terminal group 22 and the fourth terminal group 23 are arranged in a row on the upper side of the mating groove 121.

[0028]

Referring to the third to fifth figures, at least a part of the solder fillets 26 of the power terminals of the second terminal group 21 are connected to each other. Specifically, in the embodiment, the solder tails 26 corresponding to the three power terminals of P7, P8, and P9 in the SATA connector specification are connected together along the longitudinal direction of the insulative housing 1 by a longitudinally extending connecting piece 27, The solder tails 26 corresponding to the three power terminals of P13, P14, and P15 in the SATA connector specification are connected together by the other longitudinally extending connecting piece 27 along the longitudinal direction of the insulating body 1. Thereby, on the one hand, the current transmission effect of the present electrical connector 100 can be increased, and on the other hand, the setting of the rear side power connection wire can be further reduced, that is, only three power supply terminals need to be connected to one power connection wire. Of course, the two connecting pieces 27 can be further connected together.

[0029]

Referring to the second to fifth figures, the grounding member 3 has a main body portion 31 fixed in the receiving groove 15 of the base portion 11 and a plurality of connecting legs 32 extending from the main body portion 31. As can be seen from the foregoing, in the embodiment, the differential signal terminals are arranged in rows in the first terminal group 20 and the third terminal group 22, respectively. The main body portion 31 of the grounding member 3 has a sheet-like design extending along the longitudinal direction of the insulative housing 1 , and the length of the main body portion 31 along the longitudinal direction of the insulative housing 1 is not less than the total length of the differential signal terminals. Therefore, the grounding element 3 can eliminate the interference signal around the differential signal terminal by the main body portion 31 in time to ensure stable transmission of the high frequency signal.

[0030]

The connecting leg 32 is disposed in one-to-one correspondence with the soldering legs 26 of the grounding terminal of the first terminal group 20 and the third terminal group 22, and is overlapped with the rear side of the soldering leg 26 of the grounding terminal to be grounded Terminal contact connection. Therefore, when the wires are connected to the rear side of the conductive terminal 2, the grounding wires connected to the ground terminals of the first terminal group 20 and the third terminal group 22 can be reduced to one, and the grounding wires can be self-complicating the connecting pins 32. The connection is taken out at any one of the two, so that the wire arrangement density on the rear side of the present electrical connector 100 can be reduced, the short circuit problem caused by mutual contact can be avoided, and the groove on the rear side of the wire insulation body 1 can be facilitated. At 112, it is taken out.

[0031]

In the present embodiment, the connecting leg 32 has an extended length that is smaller than the extended length of the solder fillet 26 and covers only a portion of the outer surface of the solder fillet 26.

[0032]

In summary, the present invention provides a grounding member 3 that is in contact with the conductive terminal 2 on the rear side of the electrical connector 100, and a connecting leg 32 that is in contact with the soldering leg 26 of the plurality of grounding terminals, respectively, is disposed on the grounding member 3. Therefore, when the wires are connected to the rear side of the present electrical connector 100, the grounding wires connected to the ground terminals of the first terminal group 20 and the third terminal group 22 can be reduced to one, and the grounding wires can be self-contained. The connection connection is made at any one of the plurality of connecting legs 32, so that the wire arrangement density on the rear side of the present electrical connector 100 can be reduced, the short circuit problem caused by mutual contact can be avoided, and the wire can be insulated from the body 1 The side of the slot 112 is led out.

[0033]

It is to be understood that the equivalent changes to the present invention made by the teachings of the present invention should be included in the scope of the present invention.

1‧‧‧Insulating body

11‧‧‧ base

110‧‧‧ Housing Department

111‧‧‧Locking slot

12‧‧‧Docking Department

2‧‧‧Electrical terminals

26‧‧‧ solder feet

27‧‧‧Connecting piece

3‧‧‧ Grounding components

31‧‧‧ Main body

32‧‧‧Connecting feet

5‧‧‧Back cover

Claims (10)

[Item 1] An electrical connector comprising:
An insulative housing having a base portion and an abutting portion extending forward from the base portion, the abutting portion having a longitudinally extending abutting groove and a first wall and a second wall oppositely disposed on upper and lower sides of the mating groove, and second The wall has a groove in communication with the docking groove and a first portion and a second portion formed by the groove spacing, the first wall having a first extension disposed opposite the groove;
a conductive terminal, the conductive terminal includes a first terminal group, a second terminal group, and a third terminal group respectively fixed to the first portion, the second portion, and the first extension portion, and the first terminal group and the third terminal group respectively have a plurality of a grounding terminal and a plurality of pairs of differential signal terminals disposed between the adjacent ground terminals, each of the conductive terminals having a fixing portion fixed in the base portion, extending from one end of the fixing portion to the contact portion of the abutting portion and extending from the other end of the fixing portion a solder fillet to the back side of the base;
a grounding member having a main body portion fixed to the base portion and a plurality of connecting legs extending from the main body portion, the connecting legs being respectively in contact with the outer surface of the soldering leg of the ground terminal of the first terminal group and the third terminal group . [Item 2] The electrical connector of claim 1, wherein the differential signal terminals of the first terminal group and the third terminal group are respectively arranged in a row; the main body portion of the grounding element is along a longitudinal direction of the insulating body. An extended sheet-like design, and the length of the main body portion along the longitudinal direction of the insulative housing is not less than the total length of the arrangement of the differential signal terminals. [Item 3] The electrical connector of claim 1, wherein the first portion, the second portion and the first expansion portion are respectively provided with a plurality of terminal fixing grooves extending backward through the insulating body, and the rear side of the base is formed with a plurality of respective And a fixing groove corresponding to the terminal fixing groove, wherein the fixing portion is fixed in the terminal fixing groove, and the soldering legs are bent from the fixing portion and are respectively received in the positioning groove. [Item 4] The electrical connector of claim 3, wherein the positioning slot is disposed perpendicular to the terminal fixing slot. [Item 5] The electrical connector of claim 4, wherein the positioning grooves are disposed at an intermediate position of the rear side of the base, and are arranged in a row along the longitudinal direction. [Item 6] The electrical connector of claim 3, wherein the base portion is formed with a receiving groove spaced apart from the terminal fixing groove along a thickness direction of the insulating body, and the main body portion of the grounding member is received in the capacity In the slot, the connecting leg is overlapped on the rear side of the soldering leg of the grounding terminal. [Item 7] The electrical connector of claim 6, wherein the accommodating groove is disposed directly behind the second wall and located outside the terminal fixing groove. [Item 8] The electrical connector of claim 1, wherein the second terminal group comprises a plurality of power terminals, and at least a portion of the solder legs of the plurality of power terminals are connected to each other. [Item 9] The electrical connector of claim 1, wherein the first wall further comprises a second extension disposed opposite the first portion, the conductive terminal further comprising a fourth terminal fixed to the second extension The fourth terminal group includes a pair of signal terminals and a detection terminal. [Item 10] The electrical connector of claim 9, wherein the soldering legs of the conductive terminals of the fourth terminal group are spaced apart between the soldering legs of the conductive terminals of the first terminal group.