CN201142392Y - electrical connector - Google Patents

Abstract

An electrical connector, which includes an insulating body, a shielding shell assembled in the insulating body, and a plurality of conductive terminals accommodated in the insulating body, the conductive terminals include a holding portion, a docking portion extending forward from the holding portion, and a holding portion The connecting part that bends and extends backwards and the terminal that bends and extends downwards from the connecting part, the holding part and the docking part extend horizontally forward and are arranged in two rows longitudinally, and the terminals extend vertically downward and are arranged at least Four rows from left to right. The terminals of the conductive terminals are divided into multiple rows, which can effectively reduce the difference between the conductive terminals, and can increase the density of the conductive terminals, so that the electrical connector has better electrical characteristics and better transmission quality .

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an arrangement structure of conductive terminals of the electric connector.

【Background technique】

The electrical connector disclosed in U.S. Design Patent Publication No. D480,685 includes an insulating body, a shielding shell assembled outside the insulating body, and a plurality of conductive terminals. The insulating body includes a fixing part for fixing on an object such as a circuit board and a docking part for docking with an external device, and the docking part is provided with a docking port opening in a direction parallel to the circuit board. The conductive terminals are divided into two groups and held in the insulating body, including contact portions arranged on two vertically opposite sides of the docking port, connecting portions extending backward from the contact portions, and welding portions vertically extending downward from the connecting portions. The contact parts of each group of conductive terminals extend horizontally and are arranged one by one in the vertical direction, and the connecting parts extend backward from the contact parts for different lengths and then bend downwards to form welding parts arranged one by one. In order to arrange the welding parts in a row in each group of conductive terminals, the connection part of the upper conductive terminal should be extended longer, so that the length difference between the connecting part and the connecting part is very large, so that the conductive terminal and the missile terminal The structural differences between them are very large, which in turn affects the electrical characteristics of the entire electrical connector. This difference is more obvious when the number of conductive terminals increases, and in order not to make the entire electrical connector occupy too much area on the circuit board, the density of the conductive terminals is limited to affect the transmission quality.

Based on the prior art described above, it is necessary to improve the existing electrical connectors.

【Content of utility model】

The purpose of the utility model is to provide an electrical connector with good electrical characteristics and good transmission quality.

In order to achieve the above object, the utility model adopts the following technical solution: an electrical connector, which includes an insulating body, a shielding shell assembled in the insulating body, and a plurality of conductive terminals accommodated in the insulating body, the conductive terminals include a holding part , the docking portion extending forward from the holding portion, the connecting portion bent and extended backward from the holding portion, and the terminal end bent and extended downward from the connecting portion, the holding portion and the docking portion extend horizontally forward and are arranged longitudinally in two The terminals extend vertically downward and are arranged in at least four rows from left to right.

Compared with the prior art, the terminals of the conductive terminals of the electrical connector are divided into multiple rows, which can effectively reduce the difference between the conductive terminals and increase the density of the conductive terminals, so that the electrical connector has Better electrical characteristics and better transmission quality.

【Description of drawings】

Fig. 1 is a three-dimensional assembled view of the electrical connector of the present invention.

Fig. 2 is a three-dimensional assembled view of another angle of the electrical connector of the present invention.

Fig. 3 is a three-dimensional exploded view of the electrical connector of the present invention.

Fig. 4 is a three-dimensional exploded view of another angle of the electrical connector of the present invention.

Fig. 5 is a perspective view of a conductive terminal of the electrical connector of the present invention.

Fig. 6 is a perspective view from another angle of the conductive terminal of the electrical connector of the present invention.

【Detailed ways】

Please refer to Figures 1 and 2, the electrical connector 1 of the present invention can be assembled on a circuit board (not shown), which includes an insulating body 2, a shielding shell 3 assembled in the insulating body 2, and housed in an insulating body. A plurality of conductive terminals 5 in the body 2 and a fixing base 4 connected with the insulating body 2 . The electrical connector is formed with a receiving portion 6 capable of receiving external equipment (such as a docking connector), and the receiving portion 6 extends along a direction parallel to the circuit board. The height of the receiving portion in the vertical direction is greater than the width in the horizontal direction. Here, the direction from the back to the front is firstly defined as the orientation of the opening of the receiving portion 6 .

3 and 4, the shielding case 3 is assembled on the front side of the insulating body 2, which includes a left side wall 31 and a right side wall 32 that are opposite to and perpendicular to the circuit board and connect the left and right side walls and are parallel on the top wall 33 and the bottom wall 34 of the circuit board. These walls jointly define a receiving chamber 35 that runs through the front and rear, and the receiving chamber extends in a direction parallel to the circuit board, and its height in the vertical direction is greater than its width in the horizontal direction. The lower sides of the left side wall 31 and the right side wall 32 are respectively bent outwards to extend out a welding tab 36 which can be soldered and fixed on the circuit board. Rear ends of the top wall 33 and the bottom wall 34 are respectively bent inward to extend out of the locking portion 37 . The junctions of the top wall 33 and the left side wall 31 and the bottom wall 34 and the left side wall 31 are respectively provided with folded portions 38 .

The insulating body 2 includes a receiving portion 21 and a fixing portion 22 . The accommodating part 21 is accommodated in the accommodating cavity 35 of the shielding shell 3, and it includes a main body part 211 and a tongue piece 212 extending forward from the main part. A row of cross-shaped terminal receiving holes 2111 . The upper and lower ends of the rear end surface 2112 of the main body part 211 are respectively provided with a card slot 2113, which is used to receive and hold the buckle part 37 of the shielding shell 3; A curved portion 2114 is provided. The tongue piece 212 is perpendicular to the circuit board and is suspended in the housing chamber 35 of the shielding case 3. A row of housing grooves 2121 for housing the conductive terminals 5 are respectively provided on the left and right sides of the tongue piece 212. The housing grooves 2121 are connected to the terminal housing. The holes 2111 correspond to each other and communicate with each other. A stop portion 2122 is formed on a front end portion 2123 of the tongue piece 212 . The fixing portion 22 includes a base portion 221 bent backward from the main body portion 211 and a pair of positioning posts 222 downwardly extended from the base portion 221 . The base portion 221 is surrounded by a top wall 223 and symmetrically arranged left side wall 224 and right side wall 225, and a hollow portion 227 is formed in the middle. The hollow portion 227 is open forward and downward, and reaches the main body 211 backward. up to the rear end face 2112 of the The top wall 223 is provided with an opening 2231 close to the main body 221 to allow the buckle portion 37 of the shielding housing 3 to pass through smoothly. The inner sides of the left side wall 224 and the right side wall 225 are respectively provided with concavo-convex parts 226 near the lower ends, which include an inner concave part 2261 located on the inner side close to the main body part, an inner convex part 2262 located in the middle, and a continuous concave part located on the outer side. The upper concave portion 2263 , the middle convex portion 2264 and the lower concave portion 2265 .

The fixing seat 4 is stepped and accommodated in the hollow portion 227 of the base 221, which includes four levels 41, each level is provided with a number of positioning holes 42, and the positioning holes 42 are divided into four rows from left to right, Each row includes at least one pilot hole on each level. Both sides of the fixing seat 4 are respectively provided with convex and concave parts 43 that can match the above-mentioned concave and convex parts 226, which include an outer convex part 431 located on the front side, an outer concave part 432 located in the middle, and a continuous upper part located on the rear side. The convex portion 433 , the middle concave portion 434 and the lower convex portion 435 . The concave-convex portion 43 cooperates with the concave-convex portion 226 to hold the fixing base 4 in the insulating body 2 .

5 and 6, the conductive terminal 5 includes a holding portion 51 held in the terminal receiving hole 2111, a docking portion 52 extending forward from the holding portion 51, and a connecting portion bent backward from the holding portion 51. 53 and a terminal 54 extending downward from the connecting portion 53 . The holding portion 51 is held in the terminal receiving hole, and a plurality of barbs 511 are provided on it to firmly hold the conductive terminal in the insulating body 2 . The docking portion 52 is accommodated in the accommodating groove, and its free end is bent forward to form an end portion 521, which cooperates with the stop portion 2122 of the tongue 212 to prevent the conductive terminal 5 from lifting . The connecting part 53 and the holding part are on the same horizontal plane, and are first bent outwards from the holding part 51, then bent backwards and extended to the top of a designated positioning hole, and then vertically extended downwards to form a terminal. The terminal can pass through the positioning hole and protrude below the fixing seat. The conductive terminals 5 are divided into two opposite groups, a first conductive terminal group 7 and a second conductive terminal group 8 . The front side of each conductive terminal group is composed of the holding part 51 and the butt joint part 52 of the conductive terminal 5 arranged in a row longitudinally, and its rear side is composed of the connecting part 53 and the terminal 54 of the conductive terminal 5 scattered into two rows extending forward and backward. . Therefore, the holding portion 51 and the docking portion 52 of the conductive terminal 5 extend horizontally and are arranged in two rows 7, 8 vertically, and the terminals extend vertically downward and are arranged in four rows 82, 81, 72, 71.

Please refer to Fig. 1 and Fig. 2, when assembling, first install the shielding shell 3 on the insulating body 2, make the folded portion 38 of the shielding shell 3 stick to the curved portion 2114 of the insulating body 2, and at the same time make the shielding The buckle portion 37 of the shell 3 is locked in the slot 2113 of the insulating body 2 , so that the shielding shell 3 and the insulating body 2 are assembled into one body. Then insert the two groups of conductive terminals 5 into the terminal accommodating holes 2111 and the accommodating grooves 2121 of the insulating body 2 from back to front, and make the connecting portion 53 and terminal 54 of the conductive terminals 5 be located in the hollow portion 227 . Finally, install the fixing base 4 into the hollow portion 227 of the insulating body 2 from bottom to top, make the conductive terminal 5 pass through the positioning hole 42 of the fixing base 4, and make the terminal 54 of the conductive terminal 5 extend out of the outer side of the fixing base 4 for insulation The lower side of the body 2 is used for insertion into the circuit board. So far, the assembled electrical connector 1 is formed.

The accommodating cavity of the shielding case, the tongue of the insulating body and the butt joint of the conductive terminal together form the accommodating portion of the electrical connector. space taken up. The tongue plate is perpendicular to the circuit board, and the butt joints of the conductive terminals distributed on both sides of the tongue plate form two rows extending longitudinally, while the terminals of the conductive terminals are divided into four rows extending horizontally. This multi-row arrangement makes the row of conductive terminals The layout is more compact and the structural difference is smaller, so that the electrical connector has better electrical characteristics; and the space is more fully utilized, the density of conductive terminals is increased, and the transmission quality is better.

Claims (10)

1. An electrical connector, comprising an insulating body, a shielding shell assembled in the insulating body, and a plurality of conductive terminals accommodated in the insulating body, the conductive terminals comprising a holding portion, a docking portion extending forward from the holding portion, The connecting portion bent backwards from the holding portion and the terminal bent downwards from the connecting portion are characterized in that: the holding portion and the docking portion extend horizontally forward and are arranged in two rows longitudinally, and the terminals vertically Extend down and arrange at least four rows from left to right. 2. The electrical connector according to claim 1, wherein the shielding housing includes vertically arranged and opposite left and right side walls and a top wall and a bottom wall connecting the left and right side walls, the The left and right side walls, the top wall and the bottom wall jointly enclose a receiving chamber that runs through front and back, and the height of the receiving chamber in the vertical direction is greater than the width in the horizontal direction. 3. The electrical connector according to claim 2, characterized in that: the junctions of the top wall and the left side wall, the bottom wall and the left side wall are respectively provided with folded parts, and the insulating body is opposite to the folded parts. A curved portion is provided. 4. The electrical connector according to claim 3, characterized in that: the lower sides of the left side wall and the right side wall are respectively bent and extended outward to form welding pieces, and the rear ends of the top wall and the bottom wall are respectively Bending inward to extend out the buckle part. 5 . The electrical connector according to claim 4 , wherein the insulating body comprises a receiving portion and a fixing portion, and the receiving portion is received in a receiving cavity of the shielding case. 5 . 6. The electrical connector according to claim 5, wherein the receiving portion comprises a main body and a tongue extending forward from the main body, and the main body is provided with a plurality of terminal receiving holes penetrating front and rear, the The upper and lower ends of the main body are respectively provided with card slots. 7 . The electrical connector as claimed in claim 6 , wherein the tongue is vertically arranged with a plurality of accommodating grooves on its left and right sides, and a stopper is provided at a front end of the tongue. 8 . 8. The electrical connector according to claim 7, wherein the holding portion comprises a base and a pair of positioning posts extending downward from the base, and the base is composed of a top wall and symmetrically arranged left and right walls. Surrounded by side walls, a hollow portion is formed in the middle. 9. The electrical connector according to claim 8, characterized in that: the top wall is provided with an opening for the buckle part to pass through smoothly, and the inner side of the left side wall and the right side wall are provided near the lower end. Concave and convex. 10. The electrical connector according to claim 9, characterized in that: said hollow portion accommodates a fixing seat for fixing the conductive terminal, the fixing seat is stepped and includes four levels, and each level is provided with a number of positioning The positioning holes are divided into four left and right rows, and each row includes at least one positioning hole on each level.

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